CN219808019U - Coating workshop pretreatment electrophoresis workpiece dropping alarm device - Google Patents

Abstract

The utility model provides an electrophoresis workpiece dropping alarm device for pretreatment of a coating workshop, and relates to the technical field of automobiles. Wherein, the coating workshop pretreatment electrophoresis falls a alarm device and includes: the electrophoresis tank comprises a traction rope, a plurality of guiding devices, a tensioning device and an alarm device, wherein the guiding devices are respectively arranged at the bottom of the electrophoresis tank and the side wall of the electrophoresis tank, which is close to the tensioning device, the first end of the traction rope is connected with the first end of the electrophoresis tank, the second end of the traction rope is connected with the tensioning device arranged at the second end of the electrophoresis tank after being guided by the guiding devices, and the tensioning device is connected with the alarm device; the tensioning device comprises a support, a first fixed pulley, a connecting piece, a travel switch, a contact block and a counterweight assembly, wherein the connecting piece and the counterweight assembly which are connected through a rope are respectively arranged on two sides of the first fixed pulley, the contact block is arranged on the connecting piece, the contact block is provided with a first area and a second area along the vertical direction, the travel switch is arranged on the support, and the travel switch is connected with the alarm device.

Description

Coating workshop pretreatment electrophoresis workpiece dropping alarm device

Technical Field

The utility model relates to the technical field of automobiles, in particular to an electrophoresis workpiece dropping alarm device for pretreatment of a coating workshop.

Background

At present, a car body workpiece is frequently caused to be unhooked and fall off accidentally due to uncertain factors such as incomplete locking, loosening of locking, buoyancy shaking of bath solution and the like in the fixing and carrying process of the pretreatment electrophoresis sling, and the workpiece is not easily observed in the pretreatment electrophoresis bath solution, so that serious production accidents are often caused to a production line due to pulling if the workpiece is not subjected to emergency shutdown treatment after falling.

In the prior art, the traction rope is arranged in the electrophoresis tank, so that the workpiece is reminded of falling through the shaking of the traction rope when falling onto the traction rope, but the reminding effect of the mode is poor.

Therefore, how to provide a device for obviously prompting the falling part is a problem to be solved.

Disclosure of Invention

The embodiment of the utility model aims to provide an electrophoresis workpiece dropping alarm device for pretreatment of a coating workshop.

In order to solve the technical problems, the embodiment of the utility model provides the following technical scheme:

the first aspect of the utility model provides a coating shop pretreatment electrophoresis workpiece dropping alarm device, comprising:

the electrophoresis tank comprises a traction rope, a plurality of guide devices, a tensioning device and an alarm device, wherein the guide devices are respectively arranged at the bottom of the electrophoresis tank and close to the side wall of the tensioning device, the first end of the traction rope is connected with the first end of the electrophoresis tank, the second end of the traction rope is connected with the tensioning device arranged at the second end of the electrophoresis tank after being guided by the guide devices, and the tensioning device is connected with the alarm device;

the tensioning device comprises a support, a first fixed pulley, a connecting piece, a travel switch, a contact block and a counterweight assembly, wherein the first fixed pulley is fixedly arranged above the support, the connecting piece and the counterweight assembly which are connected through a winding rope are respectively arranged on two sides of the first fixed pulley, the connecting piece and the counterweight assembly are all arranged in the vertical direction, the other end of the connecting piece is connected with the second end of the traction rope, the contact block is arranged on the connecting piece, the contact block is provided with a first area and a second area in the vertical direction, the travel switch is arranged on the support, and the travel switch is connected with the alarm device;

in an initial state, the travel switch is abutted against a first area of the contact block, and the travel is closed;

when the falling part falls onto the traction rope, the traction rope drives the connecting part and the contact block to move downwards along the vertical direction, the travel switch abuts against the second area of the contact block, the travel switch is turned on, and the alarm device gives an alarm.

In some variations of the first aspect of the present utility model, the tensioning device further comprises a spring assembly, the spring assembly being arranged in a vertical direction, one end of the spring assembly being connected to the roping of the first fixed sheave and the other end being connected to the connecting piece.

In some variations of the first aspect of the present utility model, the spring assembly is in a stretched state in an initial state.

In some variant embodiments of the first aspect of the present utility model, the widths of the first region and the second region of the contact block in the horizontal direction are different.

In some modified embodiments of the first aspect of the present utility model, the contact block is a waist-shaped structure, a concave region in the middle of the waist-shaped structure is the first region, and the remaining regions are the second regions.

In some modified embodiments of the first aspect of the present utility model, the travel switch includes a body and a movable member, the body is fixedly connected to the support, the movable member is movably connected to the body, and the first end of the movable member switches between a first area and a second area abutting against the contact block.

In some modified embodiments of the first aspect of the present utility model, the plurality of guiding devices include a first guiding device, the first guiding device includes a first fixing frame, a first guiding wheel, a second fixed pulley and a third fixed pulley, the first fixing frame is fixedly disposed at a second end of the electrophoresis tank, the first fixing frame is provided with the first guiding wheel, the second fixed pulley and the third fixed pulley, the second fixed pulley is disposed along a horizontal direction, the third fixed pulley is disposed along a vertical direction, a center of a circle of the second fixed pulley groove and a center of a circle of the third fixed pulley groove are located at the same position, and the traction rope sequentially winds the second fixed pulley and the third fixed pulley through guiding of the first guiding wheel.

In some modified embodiments of the first aspect of the present utility model, the connecting piece includes a cylindrical rod, a part of the cylindrical rod is sleeved with the contact block, a part of the cylindrical rod is sleeved with a first shaft sleeve, the first shaft sleeve is located at a side of the contact block away from the first fixed pulley, the first shaft sleeve slides relatively to the cylindrical rod, and the first shaft sleeve is fixedly connected with the support.

In some modified embodiments of the first aspect of the present utility model, the connecting piece further includes a first hook, one end of the first hook is connected to the cylindrical rod body, and the other end is connected to the traction rope guided by the guiding device through a connecting wire;

the tensioning device further comprises a protection rod, wherein the protection rod is located between the spring assembly and the first fixed pulley, one end of the protection rod is connected with the spring assembly, the other end of the protection rod is connected with the top of the support, the protection rod is of a hollow structure, and the winding rope penetrates through the protection rod and is connected with the spring assembly.

In some variations of the first aspect of the present utility model, the counterweight assembly includes:

the first end of the second hook is connected with the winding rope;

the first end of the third hook is connected with the second end of the second hook through a connecting wire;

and the balancing weight is connected with the second end of the third hook.

Compared with the prior art, the electrophoresis piece falling alarm device for the pretreatment of the painting workshop provided by the first aspect of the utility model can fall into an electrophoresis tank when the electrophoresis piece falls into the electrophoresis tank after the pretreatment of the painting workshop, and if the electrophoresis piece falls into the electrophoresis tank after the electrophoresis piece falls into the electrophoresis tank and is not treated in time, the electrophoresis piece falling alarm device for the pretreatment of the painting workshop provided by the utility model comprises a traction rope, a plurality of guide devices, a tensioning device and an alarm device, wherein the guide devices are respectively arranged at the bottom of the electrophoresis tank and are close to the side wall of the tensioning device, the first end of the traction rope is fixed with the first end of the electrophoresis tank, and the second end of the traction rope is connected with the tensioning device arranged at the second end of the electrophoresis tank after the guide devices are guided, so that the traction rope is arranged in the electrophoresis tank, and the traction rope is in a tense state. Therefore, after the workpiece falls off, the workpiece can fall onto the traction rope inside the electrophoresis tank, the first end is fixed, and the traction rope in a tight state can pull the tensioning device. The tensioning device comprises a support, a first fixed pulley, a connecting piece, a travel switch, a contact block and a counterweight component, wherein the connecting piece, the travel switch, the contact block and the counterweight component are all arranged in the support, the first fixed pulley is arranged above the support, the travel switch is arranged on the support, the connecting piece and the counterweight component are respectively connected through a winding rope at two sides of the first fixed pulley, one end of the connecting piece is connected with the counterweight component through the winding rope of the first fixed pulley, the other end of the connecting piece is connected with the traction rope through a guide structure, the counterweight component is arranged to enable the traction rope to always be stretched by the counterweight component, so that the connecting piece and the counterweight component can be always in a tight state, the connecting piece and the counterweight component are all arranged in the vertical direction, the contact block is arranged on the connecting piece, the travel switch is abutted against the contact block in a first area of the contact block in an initial state, at this moment, the travel switch is closed, and when a workpiece falls onto the traction rope in the tensioning device, the first end of the connecting piece is fixed, the second end of the connecting piece is pulled down, the connecting piece is further, the position of the contact block arranged on the connecting piece is connected with the counterweight component through the guide structure, the pull rope is moved, the position of the connecting piece is arranged on the connecting piece, the contact block is always subjected to the contact block, the contact block is stretched by the pull rope, the contact block is always in the contact block, and the contact block is stretched by the contact block, and the contact block is in a first end and the first end is opened.

Therefore, the electrophoresis part dropping alarm device for the coating workshop pretreatment can give out an alarm in time to give out obvious prompts after part dropping occurs, so that abnormal accidents are treated in time, production accidents are avoided, safety is improved, and the integrity of production equipment and the urgency of production recovery are ensured.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, wherein like or corresponding reference numerals indicate like or corresponding parts, there are shown by way of illustration, and not limitation, several embodiments of the utility model, in which:

fig. 1 is a schematic structural diagram of an electrophoresis workpiece dropping alarm device for pretreatment in a coating workshop according to an embodiment of the present utility model;

fig. 2 is a front view of an electrophoresis workpiece dropping alarm device for pretreatment in a coating workshop according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 1A;

reference numerals illustrate:

the coating shop front treatment electrophoresis workpiece dropping alarm device 1, a traction rope 11, a guide device 12, a first guide device 121, a first fixing frame 1211, a first guide wheel 1212, a second fixed pulley 1213, a third fixed pulley 1214, a tensioning device 13, a bracket 131, a first fixed pulley 132, a connecting piece 133, a cylindrical rod body 1331, a first hook 1332, a travel switch 134, a body 1341, a movable piece 1342, a contact block 135, a counterweight assembly 136, a second hook 1361, a third hook 1362, a counterweight 1363, a spring assembly 137, a first shaft sleeve 138, a protection rod 139, a fixed pulley assembly 140 and an alarm device 14; electrophoresis tank 2.

Detailed Description

Exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

As shown in fig. 1 and 2, the present utility model provides a coating shop pretreatment electrophoresis workpiece dropping alarm device 141, comprising:

the electrophoresis tank comprises a traction rope 11, a plurality of guide devices 12, a tensioning device 13 and an alarm device 14, wherein the guide devices 12 are respectively arranged at the bottom of the electrophoresis tank 2 and the side wall of the electrophoresis tank, which is close to the tensioning device 13, a first end of the traction rope 11 is connected with a first end of the electrophoresis tank 2, a second end of the traction rope 11 is connected with the tensioning device 13 at a second end of the electrophoresis tank after being guided by the guide devices 12, and the tensioning device 13 is connected with the alarm device 14;

the tensioning device 13 comprises a bracket 131, a first fixed pulley 132, a connecting piece 133, a travel switch 134, a contact block 135 and a counterweight component 136, wherein the first fixed pulley 132 is fixedly arranged above the bracket 131, the connecting piece 133 and the counterweight component 136 which are connected through a winding rope are respectively arranged on two sides of the first fixed pulley 132, the connecting piece 133 and the counterweight component 136 are both arranged along the vertical direction, the other end of the connecting piece 133 is connected with the second end of the traction rope 11, the contact block 135 is arranged on the connecting piece 133, the contact block 135 is provided with a first area and a second area along the vertical direction, the travel switch 134 is arranged on the bracket 131, and the travel switch 134 is connected with the alarm device 14;

in an initial state, the travel switch 134 abuts against a first area of the contact block 135, and the travel is closed;

when the falling part falls onto the traction rope 11, the traction rope drives the connecting part and the contact block 135 to move downwards along the vertical direction, the travel switch 134 abuts against the second area of the contact block 135, the travel switch 134 is turned on, and the alarm device 14 gives an alarm.

As shown in fig. 1 and fig. 2, in the electrophoresis workpiece drop alarm device 141 for pretreatment in a coating shop provided by the utility model, a plurality of guiding devices 12 are respectively arranged at the bottom of an electrophoresis tank 2 and close to the side wall of a tensioning device 13, a first end of a traction rope 11 is fixed with one end of the electrophoresis tank 2, and a second end is connected with the tensioning device 13 arranged at the other end of the electrophoresis tank 2 after being guided by the plurality of guiding devices 12, so that the traction rope 11 is arranged inside the electrophoresis tank 2, and the traction rope 11 is in a tight state. Therefore, after the workpiece falls, the workpiece can fall onto the traction rope 11 in the electrophoresis tank 2, the first end is fixed, and the traction rope 11 in a tight state can pull the tensioning device 13. The tensioning device 13 comprises a bracket 131, a first fixed pulley 132, a connecting piece 133, a travel switch 134, a contact block 135 and a counterweight component 136, wherein the connecting piece 133, the travel switch 134, the contact block 135 and the counterweight component 136 are all arranged in the bracket 131, the first fixed pulley 132 is arranged above the bracket 131, the travel switch 134 is arranged on the bracket 131, two sides of the first fixed pulley 132 are respectively connected with the connecting piece 133 and the counterweight component 136 through a winding rope, one end of the connecting piece 133 is connected with the counterweight component 136 through a winding rope of the first fixed pulley 132, the other end of the connecting piece 133 is connected with the traction rope 11 through a guiding structure, the counterweight component 136 is arranged to enable the traction rope 11 to be always stretched by the counterweight component 136, so that the connecting piece 133 and the counterweight component 136 can be always in a tight state, the connecting piece 133 and the counterweight component 136 are all arranged in the vertical direction, the connecting piece 133 is provided with the contact block 135 at the moment, and the travel switch 134 is abutted to the contact block 135, under the initial state, the travel switch 134 is abutted to the first area of the contact block 135, at the moment, the travel switch 134 is closed, when a workpiece falls onto the inner traction rope 11 of the electrophoresis tank 2, the first end of the traction rope 11 is fixedly connected with the winding rope of the counterweight component through the first fixed end of the pulley 132, the traction rope 11 is connected with the counterweight component 136 through the winding rope, the tensioning device is connected with the counterweight component 13, the first end of the connecting piece 13 is correspondingly arranged to the first end of the connecting piece 13, the connecting piece is correspondingly to be in the contact piece 13, and the alarm device is opened, and the alarm device is 14 is opened, and the alarm device is in the position of the first end of the position of the contact device is, and the first device is, and the device is in the position and the position of the position and the device is in the position and the position is in the position and the first is.

Therefore, the electrophoresis part dropping alarm device 141 for the coating workshop pretreatment provided by the utility model can timely send out an alarm to carry out obvious prompt after part dropping, so that abnormal accidents are timely treated, production accidents are avoided, the safety is improved, and the integrity of production equipment and the urgency of production recovery are ensured.

As shown in fig. 1 and 2, in the embodiment of the present utility model, the tensioning device 13 further includes a spring assembly 137, the spring assembly 137 is disposed in a vertical direction, one end of the spring assembly 137 is connected to the counterweight assembly 136 through a wire of the first fixed pulley 132, and the other end is connected to the connecting member 133.

In this embodiment, the tensioning device 13 further includes a spring assembly 137, where the spring assembly 137 is disposed in the bracket 131 and is disposed in a vertical direction, one end of the spring assembly 137 is connected to the counterweight assembly 136 through a rope of the first fixed pulley 132, and the other end is connected to the connecting member 133, so that by setting the spring assembly 137, the sensitivity can be improved when the workpiece falls onto the traction rope 11, so that the weight of the workpiece is smaller than that of the counterweight assembly 136, and the connecting member 133 may be caused to move, so that the travel switch 134 moves from a first area abutting against the contact block 135 to a second area abutting against the contact block 135, so that the travel switch 134 is turned on, and the alarm device 14 gives an alarm to remind the workpiece.

In the embodiment of the present utility model, the spring assembly 137 is in a stretched state in an initial state.

In this embodiment, in the initial state, the spring assembly 137 is in a stretched state, further ensuring that as soon as a workpiece falls onto the pull rope 11, the link 133 and the spring assembly 137, which are connected in turn to the pull rope 11, are stretched to allow the link 133 to move, thereby allowing the travel switch 134 to move from a first area abutting the contact block 135 to a second area abutting the contact block 135 to turn on the travel switch 134, thereby allowing the alarm device 14 to issue an alarm to alert the falling.

In the embodiment of the present utility model, the widths of the first area and the second area of the contact block 135 in the horizontal direction are different.

In this embodiment, when the falling part occurs, the traction rope 11 is depressed under the falling part to drive the connecting part 133 and the contact block 135 on the connecting part 133 to move along the vertical direction, the contact block 135 is provided with a first area and a second area along the vertical direction, the widths of the first area and the second area along the horizontal direction are different, the other side of the contact block 135 is fixedly provided with the travel switch 134, the travel switch 134 abuts against the contact block 135, so that when the contact block 135 moves along the vertical direction, the area where the travel switch 134 abuts against the contact block 135 is also switched between the first area and the second area, and the first area and the second area have a height difference along the horizontal direction, so that the position where the travel switch 134 abuts against the contact block 135 is moved, and the travel switch 134 is changed from the off state to the on state, so that the alarm device 14 connected with the travel switch 134 alarms, thereby prompting the worker to stop the production line in time, and avoiding the damage of the production line.

In the embodiment of the present utility model, the contact block 135 has a waist-shaped structure, the concave area in the middle of the waist-shaped structure is the first area, and the rest areas are the second areas.

In this embodiment, the contact block 135 provided on the connection member 133 has a waist-shaped structure, the middle of the contact block 135 has a concave area, the width in the horizontal direction is smaller, and the width in the horizontal direction is larger at both ends of the contact block than at the middle area. In the initial state, the travel switch 134 is abutted against a first area in the middle of the contact block 135 with the waist-shaped structure, when a piece is dropped, the contact block 135 with the waist-shaped structure moves downwards along the vertical direction under the drive of the traction rope 11, so that the first area in the middle of the contact block 135 moves downwards, a second area originally positioned at the upper part of the contact block 135 moves to the position of the original first area, the widths of the first area and the second area of the contact block 135 with the waist-shaped structure along the horizontal direction are different, when the second area moves to the position of the original first area, the travel switch 134 abutted against the contact block 135 moves to adapt to the width of the second area of the contact block 135, and therefore part of the travel switch 134 abutted against the contact block 135 moves, the travel switch 134 is turned on, the alarm device 14 gives an alarm to prompt that a worker drops the piece, so that the production line is stopped in time, and the damage of the production line is avoided.

In the embodiment of the present utility model, the travel switch 134 includes a body 1341 and a movable member 1342, the body 1341 is fixedly connected to the bracket 131, the movable member 1342 is movably connected to the body 1341, and a first end of the movable member 1342 is switched between a first area and a second area abutting against the contact block 135.

In this embodiment, the travel switch 134 includes a body 1341 and a movable member 1342, where the body 1341 is fixedly connected with the bracket 131, so that the travel switch 134 is disposed on the bracket 131, the movable member 1342 is movably connected with the body 1341, and a first end of the movable member 1342 abuts against the contact block 135, when the first area of the contact block 135 is opposite to the movable member 1342, the movable member 1342 abuts against the first area of the contact block 135, at this time, the movable member 1342 is in an initial position relative to the body 1341, the travel switch 134 is closed, and when the falling part occurs, the traction rope 11 is sunk, so that the connection member 133 connected with the traction rope 11 and the contact block 135 on the connection member 133 are driven to move downwards in a vertical direction, so that when the second area of the contact block 135 is opposite to the movable member 1342, the widths of the first area and the second area on the contact block 135 in a horizontal direction are different, so that the movable member 1342 moves relative to the body 1 when the first area abuts against the second area of the contact block 135, so that the travel switch 134 is closed, when the falling part is in an initial position relative to the body 1, the traction rope 11 is in the connection member 134, the connection member 133 is driven, and the alarm device 14 is opened, and when the running line is stopped, the alarm device is prevented from being damaged, so that the alarm device is turned on, and the alarm device is 14, and when the running device is turned on, and the alarm device is turned off.

As shown in fig. 1 and 3, in the embodiment of the present utility model, the plurality of guiding devices 12 includes a first guiding device 121, the first guiding device 121 includes a first fixing frame 1211, a first guiding wheel 1212, a second fixed pulley 1213, and a third fixed pulley 1214, the first fixing frame 1211 is fixedly disposed at the second end of the electrophoresis tank 2, the first fixing frame 1211 is provided with the first guiding wheel 1212, the second fixed pulley 1213, and the third fixed pulley 1214, the second fixed pulley 1213 is disposed along the horizontal direction, the third fixed pulley 1214 is disposed along the vertical direction, and the center of the groove of the second fixed pulley 1213 and the center of the groove of the third fixed pulley 1214 are located at the same position, and the traction rope sequentially winds the second fixed pulley and the third fixed pulley through the guiding of the first guiding wheel.

In this embodiment, the plurality of guiding devices 12 includes a first guiding device 121 and a second guiding device 12, the first guiding device 121 is disposed at an end portion of the sidewall of the electrophoresis tank 2 near the tensioning device 13, the second guiding device 12 is plural, the plurality of second guiding devices 12 are disposed at a bottom of the electrophoresis tank 2 at intervals, the first guiding device 121 includes a first fixing member, a first guiding wheel 1212, a second fixed pulley 1213 and a third fixed pulley 1214, the first fixing frame 1211 is fixedly disposed on the sidewall of the electrophoresis tank 2, the first guiding wheel 1212 is disposed on the first fixing frame 1211, the traction rope 11 enters the second fixed pulley 1213 and the third fixed pulley 1214 by guiding the guiding wheel, the second fixed pulley 1213 is disposed along a horizontal direction, so that the traction rope 11 disposed around the second fixed pulley 1213 enters the third fixed pulley 1214 disposed along a vertical direction at the traction rope 11, and the center of the third fixed pulley 1214 is located at the same position as the center of the groove of the second fixed pulley 1213, so that the traction rope 11 can enter the tensioning device 13 through the second fixed pulley 1213.

In this embodiment, the bottom of the tensioning device 13 is provided with a fixed pulley assembly 140, the center of the fixed pulley assembly 140 is located in the same line with the center of the third fixed pulley 1214, and the center of the fixed pulley assembly 140 is located in the same line with the winding wire of the first fixed pulley 132 on the side of the connecting member 133, so that the traction rope 11 passing through the third fixed pulley 1214 is connected to the connecting member 133 by guiding the fixed pulley assembly 140.

In this embodiment, each second guiding device 12 comprises a second fixing member and a second guiding wheel, the second guiding wheel is arranged on the second fixing member, one end of the second fixing member is fixed with the bottom of the electrophoresis tank 2, and an included angle is formed between one end of the second fixing member and the bottom of the electrophoresis tank 2, so that the traction rope 11 is parallel to the horizontal plane when being positioned at the bottom.

In this embodiment of the present utility model, the connecting member 133 includes a cylindrical rod 1331, a portion of the cylindrical rod 1331 is sleeved with the contact block 135, a portion of the cylindrical rod 1331 is sleeved with a first shaft sleeve 138, the first shaft sleeve 138 is located at a side of the contact block 135 away from the first fixed pulley 132, the first shaft sleeve 138 slides relatively to the cylindrical rod 1331, and the first shaft sleeve 138 is fixedly connected to the bracket 131.

In this embodiment, the connecting piece 133 includes a cylindrical rod 1331, one end of the cylindrical rod 1331 is connected with the spring assembly 137, the other end is connected with the traction rope 11 guided by the guiding device 12, and the connecting piece 133 is further provided with a contact block 135, so that the contact block 135 is arranged on one side of the first fixed pulley 132 through the arrangement of the connecting piece 133, a first shaft sleeve 138 is further arranged below the contact block 135 along the vertical direction, the first shaft sleeve 138 is sleeved outside the cylindrical rod 1331 and is matched with the cylindrical rod 1331, the cylindrical rod 1331 slides relative to the first shaft sleeve 138 inside the first shaft sleeve 138, and the first shaft sleeve 138 is fixedly connected with the bracket 131 through a connecting rod, so that the first shaft sleeve 138 can play a limiting role on the connecting piece 133, avoid the occurrence of the phenomenon that the lower-quality part is ignored due to the deflection of the cylindrical rod 1331, and improve the accuracy of the alarm device 14.

In the embodiment of the present utility model, the connecting piece 133 further includes a first hook 1332, one end of the first hook 1332 is connected to the cylindrical rod 1331, and the other end is connected to the haulage rope 11 guided by the guiding device 12 through a connecting rope;

the tensioning device 13 further comprises a protection rod 139, wherein the protection rod 139 is located between the spring assembly 137 and the first fixed pulley 132, one end of the protection rod is connected with the spring assembly 137, the other end of the protection rod is connected with the top of the bracket 131, the protection rod 139 is of a hollow structure, and the winding rope passes through the protection rod 139 to be connected with the spring assembly 137.

In this embodiment, the connector 133 includes a cylindrical rod 1331 and a first hook 1332, the cylindrical rod 1331 is sleeved with a contact block 135 and a first shaft sleeve 138, one side of the cylindrical rod 1331, which is close to the first shaft sleeve 138, is connected with one end of the first hook 1332, and the other end of the first hook 1332 is connected with the traction rope 11 guided by the guide structure through a connecting wire, so that connection of the traction rope 11 is achieved. The tensioning device 13 further comprises a protection rod 139 arranged above the spring assembly 137, one end of the protection rod 139 is connected with the top of the bracket 131 through a bolt, the other end of the protection rod 139 is connected with the spring assembly 137, the protection rod 139 is of a hollow structure, and a winding rope diffracted outside the first fixed pulley 132 passes through the protection rod 139 to be connected with the spring assembly 137, so that the protection rod 139 provides protection for the winding rope, and damage to the winding rope is avoided.

In an embodiment of the present utility model, the counterweight assembly 136 includes:

second hook 1361, a first end of said second hook 1361 being connected with said roping;

third hook 1362, a first end of said third hook 1362 being connected to a second end of said second hook 1361 by a connecting wire;

a weight 1363, said weight 1363 being connected to a second end of said third hook 1362.

In this embodiment, the counterweight assembly 136 includes a second hook 1361, a third hook 1362 and a counterweight 1363, the first end of the second hook 1361 is connected with the roping of the first fixed pulley 132, the second end is connected with the first end of the third hook 1362, the second end of the third hook 1362 is connected with the counterweight 1363, thereby connecting the counterweight 1363 with the roping through the second hook 1361 and the third hook 1362, thereby realizing that the hauling rope 11 connected with the tensioning device 13 is in a tensioning state through the counterweight 1363, so that after the falling, the weight falls onto the hauling rope 11, the hauling rope 11 can displace the connecting piece 133 of the tensioning device 13 and the contact block 135 arranged on the connecting piece 133, so as to realize that the travel switch 134 is opened, thereby enabling the warning device 14 to give a warning.

In the embodiment of the present utility model, a second sleeve is further disposed between the second hook 1361 and the first fixed pulley 132, and the second sleeve is disposed adjacent to the first sleeve 138, is also fixedly connected with the bracket 131, and is of a hollow structure, and the roping of the first fixed pulley 132 passes through the second sleeve to be connected with the second hook 1361, so that the second sleeve provides protection for the roping, so as to avoid damage to the roping, and also plays a limiting role for the roping, so as to avoid skew.

In the embodiment of the present utility model, the electrophoresis workpiece dropping alarm device 141 before the painting shop further comprises a controller, the controller is connected with the travel switch 134, and after the travel switch 134 is turned on, the controller controls the alarm device 14 and the equipment to stop running. The controller is also connected with the central control room, and transmits a piece falling signal to the central controller so as to inform the staff, wait for the staff to manually reset the alarm signal of the travel switch 134, and can not be automatically reset, and can only be manually reset, so that the problem that the alarm signal is automatically released is avoided, the problem that the alarm signal is ignored is avoided, and the staff is further reminded of the occurrence of piece falling.

In the embodiment of the utility model, the traction rope 11 is made of stainless steel, so that the tank liquor is prevented from being corroded.

In this embodiment, the alarm device 14 is an audible and visual alarm device.

According to the coating shop pretreatment electrophoresis workpiece dropping alarm device provided by the first aspect of the utility model, the coating shop pretreatment electrophoresis workpiece dropping alarm device can drop into the electrophoresis tank, if safety accidents can be caused by untimely treatment, the coating shop pretreatment electrophoresis workpiece dropping alarm device provided by the utility model comprises a traction rope, a plurality of guide devices, a tensioning device and an alarm device, wherein the guide devices are respectively arranged at the bottom of the electrophoresis tank and close to the side wall of the tensioning device, the first end of the traction rope is fixed with one end of the electrophoresis tank, and the second end of the traction rope is connected with the tensioning device arranged at the other end of the electrophoresis tank after being guided by the guide devices, so that the traction rope is arranged in the electrophoresis tank and is in a tight state. Therefore, after the workpiece falls off, the workpiece can fall onto the traction rope inside the electrophoresis tank, the first end is fixed, and the traction rope in a tight state can pull the tensioning device. The tensioning device comprises a support, a first fixed pulley, a connecting piece, a travel switch, a contact block and a counterweight component, wherein the connecting piece, the travel switch, the contact block and the counterweight component are all arranged in the support, the first fixed pulley is arranged above the support, the travel switch is arranged on the support, the connecting piece and the counterweight component are respectively connected through a winding rope at two sides of the first fixed pulley, one end of the connecting piece is connected with the counterweight component through the winding rope of the first fixed pulley, the other end of the connecting piece is connected with the traction rope through a guide structure, the counterweight component is arranged to enable the traction rope to always be stretched by the counterweight component, so that the connecting piece and the counterweight component can be always in a tight state, the connecting piece and the counterweight component are all arranged in the vertical direction, the contact block is arranged on the connecting piece, the travel switch is abutted against the contact block in a first area of the contact block in an initial state, at this moment, the travel switch is closed, and when a workpiece falls onto the traction rope in the tensioning device, the first end of the connecting piece is fixed, the second end of the connecting piece is pulled down, the connecting piece is further, the position of the contact block arranged on the connecting piece is connected with the counterweight component through the guide structure, the pull rope is moved, the position of the connecting piece is arranged on the connecting piece, the contact block is always subjected to the contact block, the contact block is stretched by the pull rope, the contact block is always in the contact block, and the contact block is stretched by the contact block, and the contact block is in a first end and the first end is opened.

Therefore, the electrophoresis part dropping alarm device for the coating workshop pretreatment can give an alarm in time to give an obvious prompt after part dropping occurs, so that abnormal accidents are treated in time, the problem that manual inspection is not in time and is not in place is solved, production accidents are avoided, safety is improved, and the integrity of production equipment and the urgency of production recovery are ensured.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. An electrophoresis workpiece dropping alarm device for pretreatment of a coating workshop, which is characterized by comprising:

the electrophoresis tank comprises a traction rope, a plurality of guide devices, a tensioning device and an alarm device, wherein the guide devices are respectively arranged at the bottom of the electrophoresis tank and close to the side wall of the tensioning device, a first end of the traction rope is connected with the first end of the electrophoresis tank, a second end of the traction rope is connected with the tensioning device arranged at the second end of the electrophoresis tank after being guided by the guide devices, and the tensioning device is connected with the alarm device;

the tensioning device comprises a support, a first fixed pulley, a connecting piece, a travel switch, a contact block and a counterweight assembly, wherein the first fixed pulley is fixedly arranged above the support, the connecting piece and the counterweight assembly which are connected through a winding rope are respectively arranged on two sides of the first fixed pulley, the connecting piece and the counterweight assembly are all arranged in the vertical direction, the other end of the connecting piece is connected with the second end of the traction rope, the contact block is arranged on the connecting piece, the contact block is provided with a first area and a second area in the vertical direction, the travel switch is arranged on the support, and the travel switch is connected with the alarm device;

in an initial state, the travel switch is abutted against a first area of the contact block, and the travel is closed;

when the falling part falls onto the traction rope, the traction rope drives the connecting part and the contact block to move downwards along the vertical direction, the travel switch abuts against the second area of the contact block, the travel switch is turned on, and the alarm device gives an alarm.

2. The coating shop front treatment electrophoresis workpiece dropping alarm device according to claim 1, wherein,

the tensioning device further comprises a spring assembly, the spring assembly is arranged in the vertical direction, one end of the spring assembly is connected with the rope of the first fixed pulley, and the other end of the spring assembly is connected with the connecting piece.

3. The coating shop front treatment electrophoresis workpiece dropping alarm device according to claim 2, wherein,

in an initial state, the spring assembly is in a stretched state.

4. The coating shop front treatment electrophoresis workpiece dropping alarm device according to claim 1, wherein,

the widths of the first region and the second region of the contact block in the horizontal direction are different.

5. A coating shop front treatment electrophoresis workpiece alarm device according to claim 4, wherein,

the contact block is of a waist-shaped structure, a concave area in the middle of the waist-shaped structure is the first area, and the rest areas are the second areas.

6. A coating shop front treatment electrophoresis workpiece alarm device according to claim 4, wherein,

the travel switch comprises a body and a movable piece, wherein the body is fixedly connected with the support, the movable piece is movably connected with the body, and the first end of the movable piece is switched between a first area or a second area which is propped against the contact block.

7. The coating shop front treatment electrophoresis workpiece dropping alarm device according to claim 1, wherein,

the plurality of guiding devices comprise a first guiding device, the first guiding device comprises a first fixing frame, a first guiding wheel, a second fixed pulley and a third fixed pulley, the first fixing frame is fixedly arranged at the second end of the electrophoresis tank, the first fixing frame is provided with the first guiding wheel, the second fixed pulley and the third fixed pulley, the second fixed pulley is arranged along the horizontal direction, the third fixed pulley is arranged along the vertical direction, the circle center of the second fixed pulley groove and the circle center of the third fixed pulley groove are positioned at the same position, and the traction rope sequentially winds the second fixed pulley and the third fixed pulley through the guiding of the first guiding wheel.

8. The coating shop front treatment electrophoresis workpiece dropping alarm device according to claim 2, wherein,

the connecting piece comprises a cylindrical rod body, a part of the cylindrical rod body is sleeved with the contact block, a part of the cylindrical rod body is sleeved with a first shaft sleeve, the first shaft sleeve is located on one side, away from the first fixed pulley, of the contact block, the first shaft sleeve slides relative to the cylindrical rod body, and the first shaft sleeve is fixedly connected with the support.

9. The coating shop front treatment electrophoresis workpiece dropping alarm device according to claim 8, wherein,

the connecting piece further comprises a first hook, one end of the first hook is connected with the cylindrical rod body, and the other end of the first hook is connected with the traction rope guided by the guiding device through a connecting wire;

the tensioning device further comprises a protection rod, the protection rod is located between the spring assembly and the first fixed pulley, one end of the protection rod is connected with the spring assembly, the other end of the protection rod is connected with the top of the support, the protection rod is of a hollow structure, and the winding rope penetrates through the protection rod and is connected with the spring assembly.

10. The paint shop front treatment electrophoresis workpiece drop alarm device according to claim 9, wherein the counterweight assembly comprises:

the first end of the second hook is connected with the winding rope;

the first end of the third hook is connected with the second end of the second hook through a connecting wire;

and the balancing weight is connected with the second end of the third hook.