CN113695450A

CN113695450A - Material pulling structure

Info

Publication number: CN113695450A
Application number: CN202010428871.9A
Authority: CN
Inventors: 徐尚华
Original assignee: Wuxi Crystalht Technology Co ltd
Current assignee: Wuxi Crystalht Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-11-26

Abstract

The invention provides a material pulling structure which comprises a fixed assembly, a sliding assembly, a rotating assembly and a striking rod assembly, wherein the fixed assembly, the sliding assembly, the rotating assembly and the striking rod assembly are arranged in a die; the fixed assembly and the sliding assembly are respectively provided with a rotating assembly, and the rotating assemblies are in movable contact with the beating rod assembly up and down under the action of the die to realize looseness prevention and grasping of the material belt. The invention breaks through the traditional feeding mode, adopts the combination of machinery and air power to be beneficial to the up-and-down movement process of the die to realize the fully-mechanized or semi-mechanized material pulling process, has simple, reliable and convenient structure, is convenient to debug and adjust, and solves the feeding problem in thin material blanking.

Description

Material pulling structure

Technical Field

The invention mainly relates to the field of thin material blanking, in particular to a material pulling structure.

Background

The punching die is used for solving the problem that in thin material punching, due to the fact that the thickness and the thin strength of materials are low, the length of a die is long, a feeding machine is far away from punching equipment, and materials are warped and cannot be fed accurately in the feeding process.

The published Chinese invention patent, application number CN201310579983.4, patent name: a drawing die structure, application date: 2013-11-19, the invention relates to a material drawing die structure, a special feeding mechanism is arranged on a progressive die, and the feeding mechanism is arranged in the progressive die, so that a feeding machine does not need to be configured, the production cost is saved, and the material drawing die structure comprises an upper die and a lower die, and is characterized in that: the upper die is provided with a wedge, the lower die is structurally provided with a movable supporting plate, the movable supporting plate is correspondingly provided with a blocking rod, the lower die is structurally corresponding to a telescopic blocking column which is telescopic from top to bottom, and the telescopic blocking column is an inclined plane relative to the motion direction of the plate.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a material pulling structure which comprises a fixed assembly, a sliding assembly, a rotating assembly and a striking rod assembly, wherein the fixed assembly, the sliding assembly, the rotating assembly and the striking rod assembly are arranged in a die, the fixed assembly and the sliding assembly are oppositely arranged on a bottom plate 1, and the bottom of the sliding assembly moves left and right along a guide plate 2 arranged on the bottom plate 1 to pull a material belt;

the fixed assembly and the sliding assembly are respectively provided with a rotating assembly, and the rotating assemblies are in movable contact with the beating rod assembly up and down under the action of the die to realize looseness prevention and grasping of the material belt.

Preferably, the fixed assembly and the sliding assembly both comprise a cover plate 3, a support plate 4, a rotating shaft 5, a pressure plate 6 and an elastic plate 7, the support plate 4 in the fixed assembly is connected with the cover plate 3 and a fixed plate 8 through screws up and down, and the support plate 4 in the sliding assembly is connected with the cover plate 3 and a sliding plate 9 through screws up and down;

a rotating shaft hole for installing a rotating shaft 5 to enable the rotating shaft to rotate smoothly is formed in the supporting plate 4, and flattening structures are arranged in the middle and two sides of the rotating shaft;

the supporting plate 4 is provided with a pressing plate 6 and an elastic plate 7 below the rotating shaft 5, and a material gap is formed between the pressing plate 6 and the elastic plate 7.

Preferably, the pressing plate 6 is fixed on the lower surface of the supporting plate 4 through a discharging screw, and the fixing plate 8 is provided with an elastic plate 7 through a spring and the discharging screw.

Preferably, an elastic plate 7 is installed on a sliding plate 9 in the sliding assembly through a spring and a discharging screw, steps are arranged on two sides of the sliding plate 9 and correspond to the guide plate 2, and the guide plate 2 is fixed on the bottom plate 1 through screws;

and a cylinder 16 is connected to one side of the support plate 4 away from the fixing component through a bolt.

Preferably, the rotating assembly comprises a rotating mechanism body 10, a special-shaped hole 11 and a protruding connecting rod 12, the special-shaped hole 11 matched with the rotating shaft 5 flattening structure is arranged in the rotating mechanism body 10, and the protruding connecting rod 12 is vertically arranged on one side, close to the striking rod assembly, of the rotating mechanism body 10.

Preferably, the beating rod subassembly includes a beating rod 13, No. two beating rods 14 and No. three beating rods 15 of up-and-down motion, a beating rod 13 and No. two beating rods 14 set up mutually away from each other, a beating rod 13 and No. two beating rods 14 bottoms all are hook form, hook form's arc end and protruding connecting rod structure phase-match.

Preferably, the rotating angle of the rotating assembly mounted on the fixed assembly is 45 degrees respectively up and down on one side close to the sliding assembly by taking the horizontal direction of the rotating shaft 5 as a reference; the rotation angle of the rotating unit mounted on the sliding unit is 45 degrees upward on one side of the fixed unit with reference to the horizontal direction of the rotating shaft 5.

The invention has the beneficial effects that: the traditional feeding mode is broken, the mechanical and pneumatic combination is adopted, the vertical movement process of the die is facilitated to realize the fully-mechanical or semi-mechanical material pulling process, the structure is simple, reliable and convenient to debug and adjust, and the feeding problem in thin material blanking is solved.

Drawings

FIG. 1 is a state diagram of the present invention in use;

FIG. 2 is a left side view of the present invention with respect to the securing assembly;

FIG. 3 is a front view of the present invention with respect to the retaining assembly;

FIG. 4 is a left side view of the present invention with respect to the slide assembly;

FIG. 5 is a front view of the slide assembly of the present invention;

FIG. 6 is a block diagram of the rotary assembly of the present invention;

FIG. 7 is a structural diagram of Process 1 in the example;

FIG. 8 is a structural diagram of Process 2 in the example;

FIG. 9 is a structural diagram of Process 3 in the example;

FIG. 10 is a structural diagram of a process 4 in the embodiment;

FIG. 11 is a structural diagram of Process 5 in the example;

in the figure, the position of the upper end of the main shaft,

1. a base plate; 2. a guide plate; 3. a cover plate; 4. a support plate; 5. a rotating shaft; 6. pressing a plate; 7. an elastic plate; 8. a fixing plate; 9. moving the plate; 10. a rotating mechanism body; 11. a profiled hole; 12. a raised connecting rod; 13. a first striking rod; 14. beating the rod II; 15. beating the rod three times; 16. and a cylinder.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.

As shown in fig. 1 to 11, the present invention includes: the material belt drawing device comprises a fixed assembly, a sliding assembly, a rotating assembly and a striking rod assembly which are arranged in a die, wherein the fixed assembly and the sliding assembly are oppositely arranged on a bottom plate 1, and the bottom of the sliding assembly moves left and right along a guide plate 2 arranged on the bottom plate 1 to draw the material belt;

In the implementation, preferably, the fixed assembly and the sliding assembly both comprise a cover plate 3, a support plate 4, a rotating shaft 5, a pressure plate 6 and an elastic plate 7, the support plate 4 in the fixed assembly is connected with the cover plate 3 and the fixed plate 8 through screws up and down, a rotating shaft hole for installing the rotating shaft 5 to enable the rotating shaft to rotate smoothly is arranged in the support plate 4, and the middle and two sides of the rotating shaft are provided with a flat cutting structure;

when the rotating shaft rotates, the pressing plate moves up and down, when the flattened surface is attached to the pressing plate, the pressing plate is located at the upper limit position, raw materials can move between the pressing plate and the elastic plate, when the pressing plate rotates for a certain angle, the pressing plate can be tangent to the arc surface of the rotating shaft, the pressing plate is located at the lowest limit position, the pressing plate moves down and presses the materials on the elastic plate, and the elastic plate has a clamping force on the materials under the action of the lower spring, so that the materials are clamped between the two plates;

a pressing plate 6 and an elastic plate 7 are arranged below the rotating shaft 5 of the supporting plate 4, and a material gap is formed between the pressing plate 6 and the elastic plate 7;

in use, the clamp plate has the C angle, and the convenient material uses the screw fixation of unloading through the clearance (the clearance is greater than a material thickness) between splint and the elastic plate, upwards laminates all the time in the pivot under the effect of spring, but the up-and-down motion is the key part that adds the holding material:

the elastic plate is provided with a C angle, so that materials can pass through a gap between the clamping plate and the elastic plate conveniently, the elastic plate is always subjected to upward force under the action of the discharging screw and the spring and is located at the uppermost limit position under the state of not being subjected to other external forces, and when the rotating shaft rotates and the pressing plate moves downwards, the pressing plate presses raw materials and the elastic plate to move downwards together and compress the spring, and the raw materials are held.

Preferably, in this embodiment, the sliding assembly differs from the fixed assembly in that: the support plate 4 in the sliding component is connected with the cover plate 3 and the sliding plate 9 up and down through screws;

an elastic plate 7 is arranged on a sliding plate 9 in the sliding assembly through a spring and a discharging screw, steps are arranged on two sides of the sliding plate 9 and correspond to the guide plate 2, and the guide plate 2 is fixed on the bottom plate 1 through screws; the sliding plate 9 can move left and right under the guiding action of the guide plate;

In this implementation, it is preferable that the rotating assembly includes a rotating mechanism body 10, a special-shaped hole 11 and a protruding connecting rod 12, the rotating mechanism body 10 is provided with the special-shaped hole 11 matched with the flattened structure of the rotating shaft 5, and the protruding connecting rod 12 is vertically installed on one side of the rotating mechanism body 10 close to the striking rod assembly.

The structure is arranged, the rotating mechanism is provided with a special-shaped hole which can be matched with the flat cutting part of the rotating shaft, and the connecting rod structure is provided with a protruding connecting rod structure, and is used for receiving external force to drive the rotating mechanism and the rotating shaft to rotate within a certain angle range.

Preferred in this implementation, beat the pole subassembly and include a dozen pole 13, No. two dozen poles 14 and No. three dozen poles 15 of up-and-down motion, a beat pole 13 and No. two beat pole 14 set up mutually away, a beat pole 13 and No. two beat pole 14 bottoms all are hook form, hook form's arc end and protruding connecting rod structure phase-match.

In this embodiment, the rotation angle of the rotating assembly mounted on the fixed assembly is 45 degrees up and down on the side close to the sliding assembly based on the horizontal direction of the rotating shaft 5;

the rotation angle of the rotating unit mounted on the sliding unit is 45 degrees upward on one side of the fixed unit with reference to the horizontal direction of the rotating shaft 5.

In use, the specific stroke of the striking rod assembly is specified as follows:

1. beating the rod one number: the rotating mechanism of the fixed part can be pushed to rotate 45 degrees upwards anticlockwise or rotate 45 degrees clockwise downwards along with the up-and-down movement of the die, and meanwhile, the rotating shaft is driven to do certain bidirectional 45-degree rotating movement around the axis.

2. And (2) striking a rod II: only provides the upward pulling force of the sliding part rotating mechanism, and pulls the rotating mechanism to move upwards and drive the rotating shaft to rotate 45 degrees clockwise when the die moves upwards.

3. And (3) striking a rod in three times: the force urging the spindle downwardly is provided only during the downward movement of the mold when the slide is in the rightmost position, causing the spindle to rotate 45 counterclockwise about the axis.

In use, the specific implementation procedures are as follows:

according to fig. 7, process 1: in the initial state, the die is positioned at a bottom dead center, the fixed part is compacted with the material, the sliding part is relaxed with the material, and the sliding part is positioned at the leftmost position;

according to fig. 8, process 2: the mould moves upwards to drive the three beating rods to move upwards to pull the convex connecting rods of the rotating mechanism, the connecting rods rotate 45 degrees anticlockwise in the process of moving up and down along with the beating rods, and materials are changed from a compaction state to a relaxation state; the connecting rod of the sliding part rotates clockwise by 45 degrees, and the material is changed from a relaxed state to a compacted state;

according to fig. 9, process 3: the sliding part is pulled to the right side by the cylinder when the die reaches the top dead center position, the material is driven to move to the right side, and the limit can be added on the right side according to the requirement to ensure the distance of pulling the material each time;

according to fig. 10, process 4: then the die descends, a first striking rod and a third striking rod respectively act on the connecting rods of the two parts, and respectively rotate 45 degrees, at the moment, the left side is pressed, and the right side is released;

according to fig. 11, process 5: when the mould arrived bottom dead center position, the cylinder promoted the sliding part and removed to the left side, can need to increase the stopper more and guarantee to draw the material distance in the left side.

So reciprocate in proper order and realize drawing the material process, can change the cylinder part into the cam groove structure to drawing the shorter mould of material stroke and realize that full mechanical type draws the material.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. The material pulling structure is characterized by comprising a fixing assembly, a sliding assembly, a rotating assembly and a striking rod assembly which are arranged in a die, wherein the fixing assembly and the sliding assembly are oppositely arranged on a bottom plate (1), and the bottom of the sliding assembly moves left and right along a guide plate (2) arranged on the bottom plate (1) to realize the pulling of a material belt;

2. A puller structure as set forth in claim 1, wherein: the fixed assembly and the sliding assembly respectively comprise a cover plate (3), a supporting plate (4), a rotating shaft (5), a pressing plate (6) and an elastic plate (7), the supporting plate (4) in the fixed assembly is connected with the cover plate (3) and the fixed plate (8) through screws from top to bottom, and the supporting plate (4) in the sliding assembly is connected with the cover plate (3) and the sliding plate (9) through screws from top to bottom;

a rotating shaft hole for installing a rotating shaft (5) to enable the rotating shaft to rotate smoothly is formed in the supporting plate (4), and a flattening structure is arranged in the middle and two sides of the rotating shaft;

the supporting plate (4) is provided with a pressing plate (6) and an elastic plate (7) below the rotating shaft (5), and a material gap is formed between the pressing plate (6) and the elastic plate (7).

3. A puller structure as set forth in claim 2, wherein: the pressing plate (6) is fixed on the lower surface of the supporting plate (4) through an unloading screw, and the elastic plate (7) is installed on the fixing plate (8) through a spring and the unloading screw.

4. A puller structure as set forth in claim 3, wherein: an elastic plate (7) is arranged on a sliding plate (9) in the sliding assembly through a spring and a discharging screw, steps are arranged on two sides of the sliding plate (9) and correspond to the guide plate (2), and the guide plate (2) is fixed on the bottom plate (1) through screws;

and one side of the support plate (4) far away from the fixing component is connected with a cylinder (16) through a bolt.

5. The pulling structure according to claim 4, characterized in that: the rotary component comprises a rotary mechanism body (10), a special-shaped hole (11) and a protruding connecting rod (12), the special-shaped hole (11) matched with the rotating shaft (5) in a flat structure is formed in the rotary mechanism body (10), and the protruding connecting rod (12) is vertically installed on one side, close to the beating rod component, of the rotary mechanism body (10).

6. A pulling structure according to claim 5, characterized in that: beat the pole subassembly and include a dozen pole (13), No. two dozen pole (14) and No. three dozen pole (15) of up-and-down motion, a dozen pole (13) and No. two dozen pole (14) set up mutually, a dozen pole (13) and No. two dozen pole (14) bottoms all are the hook form, the arc end and the protruding connecting rod structure phase-match of hook form.

7. The pulling structure according to claim 6, characterized in that: the rotating angle of the rotating assembly arranged on the fixed assembly is 45 degrees respectively from top to bottom on one side close to the sliding assembly by taking the horizontal direction of the rotating shaft (5) as a reference; the rotating assembly mounted on the sliding assembly rotates by 45 degrees upward on one side of the fixed assembly based on the horizontal direction of the rotating shaft (5).