CN209850536U - Automatic deburring machine - Google Patents

Abstract

The utility model relates to an automatic deburring machine, which comprises a conveying device, a pair of belt transmission components and a first driving device, wherein the belt transmission components are respectively arranged on two supporting frames and are oppositely arranged, the first driving device is used for driving the belt transmission components to move, each belt transmission component comprises a driving wheel, a driven wheel and a transmission belt sleeved on the driving wheel and the driven wheel; the two chip brushing devices are used for deburring two end parts of the workpiece to be machined, which is conveyed by the transmission belt; the two limiting and pressing devices are positioned above the transmission belt and used for pressing and limiting the end part of the workpiece placed on the transmission belt; and the two belt supporting devices are positioned below the transmission belt and are used for supporting the transmission belt. The deburring machine can automatically deburr the two end parts of the workpiece in the conveying process of the workpiece, can realize batch production of various pipe fittings and flat workpieces, effectively improves the production efficiency, and has a better deburring effect.

Description

Automatic deburring machine

Technical Field

The utility model relates to an automatic deburring machine.

Background

After metal (plastic) pipe fittings and flat workpieces are machined and cut off, burrs are inevitably left at the end parts of the workpieces, the workpieces with the burrs are difficult to meet subsequent machining requirements, and workers are easily scratched when the workpieces are moved or transported, so that the workpieces are often required to be deburred.

Traditional deburring operation to the tip of pipe fitting and dull and stereotyped class work piece is generally put single work piece on the emery wheel through artifical manual, and this kind of operating mode of artifical burring not only production efficiency is low, and intensity of labour is big, and manufacturing cost is high, and the burr dust is more in the processing environment, and the production process is not environmental protection. In order to improve the deburring efficiency, a deburring machine capable of realizing automatic operation is available at present, the automatic deburring machine generally fixes a workpiece through a clamping device, and then automatically brushes chips on the end part of the workpiece through a chip brushing device, however, the deburring machine generally can only deburr a single head of a single workpiece, the deburring stability is not strong, the production efficiency is still low, the mass production cannot be achieved, and in addition, the deburring machine is constrained by the length of the workpiece to be large, and the good deburring effect cannot be achieved frequently.

Therefore, further improvement is needed in the existing deburring machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a production efficiency height, burring are effectual, and the work piece operates reliable and stable automatic burr-grinding machine.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an automatic deburring machine comprising: the device comprises a frame, a feeding port and a discharging port, wherein the feeding port and the discharging port are respectively arranged on two sides of the frame; the two support frames are oppositely arranged on the rack at intervals and form a conveying space for conveying the workpiece to be processed, wherein at least one support frame can be horizontally and slidably arranged on the rack to be close to or far away from the other support frame; the conveying device comprises a pair of belt transmission assemblies and a first driving device, wherein the belt transmission assemblies are respectively arranged on the two supporting frames and are oppositely arranged, the first driving device is used for driving the belt transmission assemblies to move, each belt transmission assembly comprises a driving wheel and a driven wheel which are connected to the supporting frames, and a transmission belt is sleeved on the driving wheel and the driven wheel, one end of the transmission belt is close to the feeding port, and the other end of the transmission belt is close to the discharging port so as to convey a workpiece to be processed, which is placed on the transmission belt, to the discharging port from the feeding port; the two groups of chip brushing devices are respectively and correspondingly arranged on the outer sides of the two support frames and are used for deburring two end parts of the workpiece to be machined, which is conveyed by the transmission belt; the two limiting and pressing devices are respectively and correspondingly arranged on the two support frames and are positioned above the transmission belt so as to press and limit the end part of a workpiece placed on the transmission belt; and the two belt supporting devices are correspondingly arranged on the two supporting frames respectively, and the belt supporting devices are positioned below the transmission belt and are used for supporting the transmission belt.

In order to better enable the transmission belts to drive the workpiece to move forwards, a plurality of material blocking plates are arranged on the two transmission belts along the length direction of the two transmission belts at intervals, wherein the material blocking plates on the transmission belts on one side are in one-to-one correspondence with the material blocking plates on the transmission belts on the other side in the transmission direction perpendicular to the transmission belts. Due to the structural arrangement, a workpiece to be machined can stably move forwards along with the transmission belt under the thrust action of the material baffle plate.

In order to conveniently compress workpieces with different thicknesses or specifications, the limiting and compressing device comprises a sliding frame which can be arranged on the support frame in a vertically movable mode and a pressing plate which is fixed at the lower end of the sliding frame, two belt pulleys are further arranged at two ends of the bottom of the pressing plate, a compressing belt is sleeved between the two belt pulleys and is located right above the transmission belt and can be in rolling contact with the workpiece to be processed which is placed on the transmission belt. Wherein, because compress tightly the belt cover and establish on the belt pulley, so compress tightly the belt when with the work piece contact of advancing, can the free rotation, just so effectively reduced the work piece and compress tightly the frictional force between the belt to can guarantee the even running of work piece, another convenience, because compress tightly the belt and have certain elastic action in the upper and lower direction, so when adjusting spacing closing device, its regulation precision requirement is not so high, and can avoid adopting rigidity piece and work piece direct contact and probably lead to the emergence of the circumstances such as work piece damage.

In order to further accurately adjust the limit clearance, a screw rod adjusting device used for adjusting the height of the sliding frame relative to the transmission belt is further arranged between the sliding frame and the supporting frame; the screw rod adjusting device comprises a screw rod seat arranged on the supporting frame and a screw rod penetrating through the screw rod seat and connected with the sliding frame in a driving mode, and a first hand wheel used for driving the screw rod to rotate is arranged at the upper end of the screw rod.

In order to make the up-and-down moving process of the sliding frame more stable, the supporting frame is further provided with a guide seat, a guide hole which is communicated up and down is formed in the guide seat, and a guide column which is matched with the guide hole is correspondingly arranged on the sliding frame.

In order to reduce the resistance of the belt supporting devices to the transmission belt and improve the transmission efficiency of the transmission belt, each belt supporting device comprises at least two roller supporting assemblies arranged at intervals along the transmission direction of the transmission belt, and each roller supporting assembly comprises a supporting vertical rod fixed on the supporting frame and a roller which is arranged at the upper end of the supporting vertical rod and can be in supporting contact with the transmission belt. The belt supporting device is simple in structure, convenient to assemble and low in cost. In order to flexibly adjust the height position of the roller at the upper end of the supporting vertical rod and further adjust the tensioning degree of the transmission belt, the supporting vertical rod is fixed on the supporting frame through a bolt, wherein a radial hole for the bolt to pass through is formed in the supporting vertical rod, and the radial hole is a strip-shaped hole for the bolt to move up and down to be adjusted. When the height of the roller at the upper end of the supporting vertical rod needs to be adjusted, only corresponding bolts need to be loosened, the supporting vertical rod is moved up and down to a proper height position, and then the bolts are screwed, and the bolts do not need to be completely disassembled, so that the adjusting process of the supporting vertical rod is more flexible.

In order to better deburr the end part of a workpiece to be machined and improve the deburring effect of the deburring machine, each group of chip brushing devices respectively comprise two chip brushing mechanisms arranged at intervals along the conveying direction of the workpiece, each chip brushing mechanism comprises a rotating brush and a driving brush, the rotating brush is used for being in friction contact with the end part of the workpiece to be machined on the supporting frame, the driving brush rotates a second driving device, one second driving device of one of the chip brushing mechanisms in each group of chip brushing devices drives the rotating brush to rotate in the forward direction, and the second driving device of the other chip brushing mechanism drives the rotating brush to rotate in the reverse direction. When a workpiece to be machined runs to the first rotating brush position on the transmission belt, the rotating brush can rotate forward under the control of the second driving device to remove burrs at the end part of the workpiece, and when the workpiece continuously runs to the second rotating brush position, the rotating brush can rotate reversely under the control of the second driving device to completely remove the burrs at the end part of the workpiece.

In order to suck and remove the burr dust that the tip of work piece fell down fast, avoid it to produce the environment and produce the influence, each group brush bits device still corresponds to be equipped with and is used for the dust absorption dust collecting device who sucks the burr dust of getting rid of, dust absorption dust collecting device includes that the dust is taken out from the device and is taken out from the dust collecting chamber that the end of device is linked together with this dust, the outside of brushing bits device is enclosed and is equipped with the dust baffle, the bottom of dust baffle be equipped with the dust is taken out from the dust absorption mouth that the device is linked together.

In order to accurately adjust the distance between the two support frames and reduce the production cost of the deburring machine, one of the two support frames is a fixed support frame fixed on the rack, and the other support frame is a sliding support frame horizontally and slidably arranged on the rack; the manual adjusting device comprises a driving shaft connected to the bottom end of the sliding support frame, the outer end of the driving shaft is provided with a second hand wheel used for driving the driving shaft to rotate, and the inner end of the driving shaft is coaxially provided with a driving gear; the rack is provided with a guide rail which is in sliding connection with the sliding support frame and a rack which is consistent with the arrangement direction of the guide rail, and the driving gear is meshed with the rack.

As an improvement, the first driving device comprises a first driving motor and a rotating shaft driven by the first driving motor, and the rotating shaft sequentially penetrates through two driving wheels respectively arranged on the two supporting frames and drives the two driving wheels to rotate at the same time. The first driving motor can simultaneously drive the driving wheels on the two support frames to rotate, so that the stability of the transmission belt for conveying workpieces is improved, a group of motor driving equipment is saved, and the production cost is reduced; of course, each belt transmission component can be connected with a driving motor according to the actual production requirement. The improved structure is characterized in that a rotating shaft supporting seat used for supporting the rotating shaft is arranged on the rack, one end of the rotating shaft is rotatably connected to the rotating shaft supporting seat, the other end of the rotating shaft is connected with a driving wheel coaxially arranged with the rotating shaft, and the first driving motor is arranged at the bottom of the rack and drives the driving wheel to rotate through a belt. Due to the structural arrangement, the deburring machine is more compact in overall structure and smaller in size.

Compared with the prior art, the utility model provides an automatic burr-grinding machine has a plurality of advantages: firstly, the automatic deburring machine can automatically convey a workpiece to be machined through the conveying belt, in the conveying process of the workpiece, the chip brushing devices on two sides can automatically and simultaneously deburr two end parts of the workpiece, batch production of various pipe fittings and flat workpieces is realized, the automation degree is higher, the production efficiency can be effectively improved, and in actual production, the workpiece to be machined only needs to be put into the deburring machine from a feeding port of the deburring machine through manpower or machinery, and then the workpiece is collected at a discharging port of the deburring machine; secondly, the limiting and pressing device positioned above the transmission belt can press and limit the end part of the workpiece placed on the transmission belt, the belt supporting device positioned below the transmission belt can support the transmission belt, and the workpiece can continuously and stably run along with the transmission belt by matching the limiting and pressing device with the belt supporting device, so that the deburring effect of the two end parts of the workpiece is ensured; in addition, the automatic deburring machine has the advantages of simple structure, small and compact size, convenience in assembly and low production cost, and can be widely applied to the processing production lines of various pipe fittings and flat workpieces.

Drawings

Fig. 1 is a schematic structural view of an automatic deburring machine according to an embodiment of the present invention;

fig. 2 is a left schematic view of the automatic deburring machine according to the embodiment of the present invention;

fig. 3 is a right side schematic view of the automatic deburring machine according to the embodiment of the present invention;

fig. 4 is a schematic top view of an automatic deburring machine according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a chip brushing device of the automatic deburring machine according to the embodiment of the present invention;

fig. 6 is a schematic structural view of the belt supporting device and the transmission belt according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Referring to fig. 1-6, an automatic deburring machine comprises a frame 10, a supporting frame, a conveying device, a chip brushing device, a limiting and pressing device 60, a belt supporting device and an electric control switch device 13, wherein a feeding port and a discharging port are respectively arranged on the front side and the rear side of the frame 10, the feeding port is connected with a feeding plate 14 which is obliquely arranged from top to bottom so as to place a workpiece to be machined and enable the workpiece to automatically slide into the feeding port, and similarly, the discharging port is connected with a discharging plate 15 which is obliquely arranged from top to bottom so as to enable an operator to collect the workpiece after deburring machining from the discharging plate 15.

Referring to fig. 1 and 4, the deburring machine has two supports which are respectively disposed on the frame 10 at an interval and form a transfer space for transferring a workpiece to be machined, wherein at least one of the two supports is horizontally slidably disposed on the frame 10 to be close to or far from the other support, so that the deburring machine is adapted to workpieces of different lengths. Specifically, in the present embodiment, one of the two support frames is a fixed support frame 20a fixed on the rack 10, and the other is a sliding support frame 20b horizontally slidably disposed on the rack 10. The conveying device comprises a pair of belt transmission assemblies 30 which are respectively arranged on a support frame 20a and a support frame 20b and are oppositely arranged, and a first driving device 40 for driving the belt transmission assemblies 30 to move, each belt transmission assembly 30 comprises a driving wheel 31 and a driven wheel 32 which are connected on a fixed support frame 20a or a sliding support frame 20b, and a transmission belt 33 which is sleeved on the driving wheel 31 and the driven wheel 32, one end of the transmission belt 33 is close to a feeding port, the other end of the transmission belt 33 is close to a discharging port, so as to convey a workpiece to be processed which is placed on the transmission belt 33 to the discharging port from the feeding port, and in order to better enable the transmission belt to drive the workpiece to move forwards, a plurality of material blocking plates 331 which are arranged at intervals are respectively arranged on the two transmission belts 33 along the length direction of the two transmission belts 33, wherein the material blocking plates 331 on the transmission belt 33 on one side and the material blocking plates 331 on, set up striker plate 331 on the drive belt, can make the work piece of treating to process steadily move along with drive belt forward under striker plate 331's thrust effect, wherein, locate striker plate 331 on drive belt 33 for convenience, can set up the mounting hole (not shown) that is used for assembling striker plate 331 on drive belt 33, of course, striker plate 331 also can assemble on drive belt 33 through other mounting means, as long as this striker plate 331 can move and drive the work piece forward along with drive belt 33 can.

In this embodiment, there are two sets of the chip-brushing devices, which correspond to the positions to be machined near the two ends of the workpiece to be machined, respectively, so as to deburr the two ends of the workpiece to be machined conveyed by the transmission belt 33. In order to better deburr the end part of the workpiece to be machined and improve the deburring effect, each group of chip brushing devices comprises two chip brushing mechanisms 50 which are arranged at intervals along the conveying direction of the workpiece, each chip brushing mechanism 50 comprises a rotating hairbrush 51 which is fixed on a support frame and is used for being in frictional contact with the end part of the workpiece to be machined and a second driving device for driving the rotating hairbrush 51 to rotate, wherein the second driving device comprises a second driving motor 52, and the second driving motor 52 drives the rotating hairbrush 51 to rotate through a motor belt 53, which is shown in detail in fig. 5; more specifically, the second driving device of one of the two swarf brushing mechanisms 50 in each group drives the rotating brush 51 to rotate in the forward direction, and the second driving device of the other swarf brushing mechanism 50 drives the rotating brush 51 to rotate in the reverse direction. When a workpiece to be machined runs to the position of the first rotating hairbrush 51 on the transmission belt 33, the rotating hairbrush 51 can rotate forward under the control of the second driving device to remove burrs at the end part of the workpiece, when the workpiece continuously runs to the position of the second rotating hairbrush 51, the rotating hairbrush 51 can rotate reversely under the control of the second driving device to completely remove the burrs at the end part of the workpiece, the deburring effect is further improved by adopting a mode that the two rotating hairbrushes 51 sequentially remove the burrs at the end part of the workpiece in the positive and negative directions, the deburring device is particularly suitable for end deburring processing of special-shaped pipe fittings, specifically, the rotating hairbrushes 51 of the two groups of chip brushing devices positioned at the two sides of the workpiece to be machined are respectively and symmetrically arranged, so that when the workpiece to be machined moves to the corresponding position, the two groups of rotating hairbrushes 51 can simultaneously deburr the same workpiece, see fig. 4 and 5 for details.

Referring to fig. 1 to 3, in the present embodiment, there are two limiting and pressing devices 60 respectively and correspondingly disposed on the two fixed supporting frames 20a and the sliding supporting frame 20b, specifically, the limiting and pressing devices 60 are located above the driving belt 33 to press and limit the end of the workpiece placed on the driving belt 33; in order to compress workpieces with different thicknesses or different specifications, the limiting and compressing device 60 comprises a sliding frame 61 which can be arranged on the support frame in a vertically moving mode and a pressing plate 62 which is fixed at the lower end of the sliding frame 61, two belt pulleys 68 are further arranged at two ends of the bottom of the pressing plate 62, a compressing belt 69 is sleeved between the two belt pulleys 68, and the compressing belt 69 is located right above the transmission belt 33 and can be in rolling contact with the workpiece to be processed which is placed on the transmission belt 33. In this embodiment, since the pressing belt 69 is sleeved on the belt pulley 68, the pressing belt 69 can rotate freely when contacting with a moving workpiece, so that the friction force between the workpiece and the pressing belt 69 is effectively reduced, and the smooth operation of the workpiece can be ensured. In order to further accurately adjust the limit clearance, a lead screw adjusting device for adjusting the height of the sliding frame 61 relative to the transmission belt 33 is further arranged between the sliding frame 61 and the supporting frame, specifically, the lead screw adjusting device comprises a lead screw seat 63 arranged on the supporting frame and a lead screw 64 penetrating through the lead screw seat 63 and connected with the sliding frame 61 in a driving manner, and the upper end of the lead screw 64 is provided with a first hand wheel 65 for driving the lead screw 64 to rotate. In order to make the up-and-down movement of the sliding frame 61 more stable, the two supporting frames are also provided with guide seats 66, the guide seat 66 is provided with a guide hole 660 which is through up and down, the sliding frame 61 is correspondingly provided with a guide post 67 which is matched with the guide hole 660, specifically, in this embodiment, two guide posts 67 are provided, which are symmetrically disposed on both sides of the screw rod 64, correspondingly, two groups of guide seats 66 are correspondingly arranged on each support frame, the number of the guide seats 66 in each group is two, the two guide seats 66 are arranged at intervals along the up-down direction of the support frame, and when the first hand wheel 65 is rotated, the lead screw 64 can drive the sliding frame 61 to slide up and down relative to the supporting frame, the sliding process of the sliding frame 61 can be more stable due to the matching of the guide seat 66 and the guide column 67, and the adjusting precision of the limiting gap between the pressing plate 62 and the transmission belt 33 is higher, which is detailed in fig. 2 and 3.

In this embodiment, there are two belt supporting devices respectively and correspondingly disposed on the two supporting frames, the belt supporting device is located below the driving belt 33 for supporting the driving belt 33, specifically, the belt supporting device includes at least two roller supporting assemblies 70 spaced along the driving direction of the driving belt 33, each roller supporting assembly 70 includes a supporting upright rod 71 and a roller 72 disposed at the upper end of the supporting upright rod 71, wherein the roller 72 may be a bearing member, the supporting upright rod 71 is fixed on the supporting frame by a bolt 73, wherein the roller 72 disposed at the upper end of the supporting upright rod 71 may be in supporting contact with the driving belt 33 to reduce the frictional resistance between the supporting upright rod 71 and the driving belt 33, and the belt supporting device can effectively prevent the driving belt 33 from being excessively bent after placing a workpiece or under the pressing action of the limiting pressing device 60 to cause the workpiece not to run smoothly, affecting the transmission efficiency of the transmission belt 33. In addition, in order to flexibly adjust the height position of the roller 72 at the upper end of the supporting upright 71 and further adjust the tension degree of the transmission belt 33, the supporting upright 71 is provided with a radial hole 710 for the bolt 73 to pass through, and the radial hole 710 is a strip-shaped hole for the bolt 73 to move up and down and adjust. When the height of the roller 72 at the upper end of the supporting upright 71 needs to be adjusted, only the corresponding bolt 73 needs to be loosened, the supporting upright 71 is moved up and down to a proper height position, and then the bolt 73 is screwed, and the bolt 73 does not need to be completely disassembled, so that the adjusting process of the supporting upright 71 is more flexible, as shown in fig. 2 and fig. 6 in detail.

Referring to fig. 1 and 4, the sliding support 20b is provided with a manual adjusting device for adjusting the distance between the sliding support and the fixed support 20a to adapt to workpieces with different lengths, the manual adjusting device includes a driving shaft 91 connected to the bottom end of the sliding support 20b, the outer end of the driving shaft 91 is provided with a second hand wheel 92 for driving the driving shaft 91 to rotate, the inner end of the driving shaft 91 is coaxially provided with a driving gear 93, the frame 10 is provided with a guide rail 11 slidably connected with the sliding support 20b and a rack 12 in accordance with the arrangement direction of the guide rail 11, the driving gear 93 is engaged with the rack 12, wherein, as the rack 12 is fixed on the frame 10, the manual adjusting device is provided on the sliding support 20b, when the second hand wheel 92 is rotated, the driving shaft 91 can drive the driving gear 93 to rotate together, and then through the interaction between the driving gear 93 and the rack, the sliding support 20b is driven to move smoothly on the guide rail 11. It is contemplated that the limiting and pressing device 60, the belt supporting device and the brushing device corresponding to the sliding support 20b may move together with the sliding support 20b in order to facilitate the movement of the sliding support 20b relative to the frame 10.

In order to rapidly absorb the burr dust falling from the end part of the workpiece and avoid the influence on the production environment, each dust brushing device is also correspondingly provided with a dust collecting device for sucking away the removed burr dust, the dust collecting device comprises a dust sucking device 81 and a dust collecting chamber 82 communicated with the tail end of the dust sucking device 81, a dust baffle 83 is arranged outside the dust brushing device in an enclosing manner, and the bottom of the dust baffle 83 is provided with a dust suction port 830 communicated with the dust sucking device 81. Similarly, the dust collecting device corresponding to the sliding support 20b can move together with the sliding support 20b, as shown in detail in fig. 1.

Referring to fig. 1 and 4, the first driving device 40 includes a first driving motor 41 and a rotating shaft 42 driven by the first driving motor 41, the rotating shaft 42 sequentially passes through two driving wheels 31 respectively disposed on two supporting frames and simultaneously drives the two driving wheels 31 to rotate, specifically, in order to prevent the rotating shaft 42 from shaking during rotation, a rotating shaft supporting seat 43 for fixing one end portion of the rotating shaft 42 is further disposed on the frame 10, a bearing is disposed on the rotating shaft supporting seat 43, the rotating shaft 42 sequentially passes through the two driving wheels 31 and is connected to the bearing of the rotating shaft supporting seat 43, the other end of the rotating shaft 42 is connected to a driving wheel 44 disposed coaxially with the rotating shaft 42, the first driving motor 41 is disposed at the bottom of the frame 10 and drives the driving wheel 44 to rotate through a belt, and such a structural arrangement can make the overall structure of the deburring machine more compact, the volume is more compact. In addition, for the convenience of driving the driving wheel 31 to rotate, the rotating shaft 42 is a rotating shaft with a non-circular cross section, specifically, the cross section of the rotating shaft 42 in this embodiment is a hexagon, and correspondingly, a hexagonal driving hole matched with the rotating shaft 42 is formed in the middle of the driving wheel 31. It is conceivable that, since the sliding support 20b can slide horizontally relative to the frame 10, a certain fit clearance is provided between the driving hole of the driving wheel 31 fixed on the sliding support 20b and the rotating shaft 42 to facilitate the sliding support 20b to slide freely relative to the rotating shaft 42. In this embodiment, the first driving motor 41 can drive the driving wheels 31 on the two supporting frames to rotate at the same time, so that the stability of the transmission belt 33 for transmitting workpieces is improved, a set of motor driving equipment is omitted, and the production cost is reduced. Of course, each belt drive assembly 30 may be connected to a respective drive motor according to actual production requirements.

The working process of the automatic deburring machine in the embodiment is as follows: firstly, the first driving motor 41, the second driving motor 52 and the dust collecting and collecting device are started through the electric control switch device 13, wherein the second driving motor 52 drives the rotating brush 51 to move, the first driving motor 41 drives the driving wheel 31 to rotate through the rotating shaft 42, and further drives the transmission belt 33 to rotate, a workpiece to be processed can be put in from a feeding hole, wherein an operator can adjust a limit gap between the pressing belt 69 on the pressing plate 62 and the transmission belt 33 through the screw rod adjusting device according to the thickness or the diameter of the workpiece so as to press the workpiece placed on the transmission belt 33, meanwhile, the belt supporting device positioned below the transmission belt 33 can upwards support the transmission belt 33, the stability of the operation of the workpiece is ensured, when the workpiece runs to a certain position on the transmission belt 33, the rotating brushes 51 positioned at two sides of the workpiece can clean burrs at two ends of the workpiece, the fallen burr dust can be quickly absorbed by the dust absorption and collection device, the influence of the dust absorption and collection device on the production environment is avoided, and the processed workpiece can be moved out from the feed opening to finish the double-head deburring operation of the workpiece. When the deburring operation needs to be carried out on workpieces with different lengths, the second hand wheel 92 is rotated to enable the sliding support frame 20b to move on the guide rail 11 of the machine frame 10, and the distance between the sliding support frame 20b and the fixed support frame 20a is adjusted to adapt to the workpieces with different lengths.

The automatic deburring machine in the embodiment has a plurality of advantages: firstly, the automatic deburring machine can automatically convey a workpiece to be machined through the conveying belt, in the conveying process of the workpiece, the chip brushing devices on two sides can automatically and simultaneously deburr two end parts of the workpiece, batch production of various pipe fittings and flat workpieces is realized, the automation degree is higher, the production efficiency can be effectively improved, and in actual production, the deburring machine only needs to manually or mechanically put the workpiece to be machined into the deburring machine from a feeding port of the deburring machine and then collect the machined workpiece at a discharging port of the deburring machine; secondly, the limiting and pressing device 60 positioned above the transmission belt 33 can press and limit the end part of the workpiece placed on the transmission belt 33, the belt supporting device positioned below the transmission belt 33 can support the transmission belt 33, and the workpiece can continuously and stably run along with the transmission belt 33 due to the matching between the limiting and pressing device 60 and the belt supporting device, so that the deburring effect of the two end parts of the workpiece is ensured; moreover, the automatic deburring machine has the advantages of simple structure, small and compact volume, convenient assembly and low production cost, and can be widely applied to the processing production lines of various pipe fittings and flat workpieces; in addition, each chip brushing device of the deburring machine is also correspondingly provided with a dust collecting device, and the dust collecting device can suck away burr dust in time, so that the production environment is prevented from being influenced, and the production process is more environment-friendly.

Claims (10)

1. An automatic deburring machine characterized by comprising:

the device comprises a machine frame (10), wherein a feeding port and a discharging port are respectively arranged on two sides of the machine frame (10);

two support frames (20a,20b) which are arranged on the frame (10) at intervals and form a conveying space for conveying workpieces to be processed, wherein at least one support frame (20a,20b) is arranged on the frame (10) in a horizontally sliding manner to be close to or far away from the other support frame (20a,20 b);

the conveying device comprises a pair of belt transmission assemblies (30) which are respectively arranged on the two supporting frames (20a,20b) and are oppositely arranged, and a first driving device (40) used for driving the belt transmission assemblies (30) to move, each belt transmission assembly (30) comprises a driving wheel (31) and a driven wheel (32) which are connected onto the supporting frames (20a,20b), and a transmission belt (33) sleeved on the driving wheel (31) and the driven wheel (32), one end of the transmission belt (33) is close to the feeding port, and the other end of the transmission belt (33) is close to the discharging port so as to convey a workpiece to be processed, which is placed on the transmission belt (33), to the discharging port from the feeding port; and

the two groups of chip brushing devices respectively correspond to positions to be machined close to the two end parts of the workpiece to be machined so as to deburr the two end parts of the workpiece to be machined conveyed by the transmission belt (33);

the two limiting and pressing devices (60) are respectively and correspondingly arranged on the two support frames (20a,20b), and the limiting and pressing devices (60) are positioned above the transmission belt (33) to press and limit the end part of a workpiece placed on the transmission belt (33);

the two belt supporting devices are respectively and correspondingly arranged on the two supporting frames (20a,20b), and the belt supporting devices are positioned below the transmission belt (33) and used for supporting the transmission belt (33).

2. The automatic deburring machine of claim 1, wherein: two driving belt (33) all are equipped with striker plate (331) that a plurality of intervals set up along its length direction, striker plate (331) on driving belt (33) of one side wherein and striker plate (331) on driving belt (33) of opposite side are at the perpendicular to the one-to-one in the direction of transmission of driving belt (33).

3. The automatic deburring machine of claim 1, wherein: the limiting and pressing device (60) comprises a sliding frame (61) which can be arranged on the support frames (20a and 20b) in a vertically movable mode and a pressing plate (62) fixed to the lower end of the sliding frame (61), two belt pulleys (68) are further arranged at two ends of the bottom of the pressing plate (62), a pressing belt (69) is sleeved between the two belt pulleys (68), and the pressing belt (69) is located right above the transmission belt (33) and can be in rolling contact with a workpiece to be machined placed on the transmission belt (33).

4. The automatic deburring machine of claim 3, wherein: a screw rod adjusting device used for adjusting the height of the sliding frame (61) relative to the transmission belt (33) is further arranged between the sliding frame (61) and the supporting frames (20a,20 b);

the screw rod adjusting device comprises a screw rod seat (63) arranged on the supporting frames (20a,20b) and a screw rod (64) penetrating through the screw rod seat (63) and connected with the sliding frame (61) in a driving mode, and a first hand wheel (65) used for driving the screw rod (64) to rotate is arranged at the upper end of the screw rod (64).

5. The automatic deburring machine of claim 4, wherein: the support frames (20a,20b) are further provided with guide seats (66), the guide seats (66) are provided with guide holes (660) which are communicated up and down, and the sliding frame (61) is correspondingly provided with guide columns (67) matched with the guide holes (660).

6. The automatic deburring machine of claim 1, wherein: each belt supporting device comprises at least two roller supporting assemblies (70) which are arranged at intervals along the transmission direction of the transmission belt (33), and each roller supporting assembly (70) comprises a supporting vertical rod (71) fixed on the supporting frames (20a,20b) and a roller (72) which is arranged at the upper end of the supporting vertical rod (71) and can be in supporting contact with the transmission belt (33);

the supporting vertical rod (71) is fixed on the supporting frames (20a,20b) through bolts (73), wherein a radial hole (710) for the bolt (73) to pass through is formed in the supporting vertical rod (71), and the radial hole (710) is a strip-shaped hole for the bolt (73) to move up and down and adjust.

7. The automatic deburring machine of claim 1, wherein: each group of chip brushing devices comprises two chip brushing mechanisms (50) arranged at intervals along the conveying direction of the workpiece, and each chip brushing mechanism (50) comprises a rotating hairbrush (51) which is fixed on a corresponding support frame (20a,20b) and is used for being in frictional contact with the end part of the workpiece to be machined and a second driving device for driving the rotating hairbrush (51) to rotate;

the second driving device of one chip brushing mechanism (50) in each group of chip brushing devices drives the rotating brush (51) to rotate in the forward direction, and the second driving device of the other chip brushing mechanism (50) drives the rotating brush (51) to rotate in the reverse direction.

8. The automatic deburring machine of any one of claims 1 to 7, wherein: each group of the chip brushing device is also correspondingly provided with a dust collecting and collecting device for sucking removed burr dust, the dust collecting and collecting device comprises a dust sucking and separating device (81) and a dust collecting chamber (82) communicated with the tail end of the dust sucking and separating device (81), a dust baffle (83) is arranged on the outer side of the chip brushing device in an enclosing manner, and the bottom of the dust baffle (83) is provided with a dust suction port (830) communicated with the dust sucking and separating device (81).

9. The automatic deburring machine of any one of claims 1 to 7, wherein: one of the two support frames (20a,20b) is a fixed support frame (20a) fixed on the frame (10), and the other support frame is a sliding support frame (20b) horizontally and slidably arranged on the frame (10);

the manual adjusting device is used for adjusting the distance between the sliding support frame (20b) and the fixed support frame (20a) and is matched with workpieces with different lengths, the manual adjusting device comprises a driving shaft (91) connected to the bottom end of the sliding support frame (20b), a second hand wheel (92) used for driving the driving shaft (91) to rotate is arranged at the outer end of the driving shaft (91), and a driving gear (93) is coaxially arranged at the inner end of the driving shaft (91);

the rack (10) is provided with a guide rail (11) connected with the sliding support frame (20b) in a sliding mode and a rack (12) consistent with the arrangement direction of the guide rail (11), and the driving gear (93) is meshed with the rack (12).

10. The automatic deburring machine of any one of claims 1 to 7, wherein: the first driving device (40) comprises a first driving motor (41) and a rotating shaft (42) driven by the first driving motor (41), and the rotating shaft (42) sequentially penetrates through two driving wheels (31) respectively arranged on the two supporting frames (20a,20b) and drives the two driving wheels (31) to rotate.