CN214211988U

CN214211988U - A loading attachment for panel punching machine

Info

Publication number: CN214211988U
Application number: CN202022853679.2U
Authority: CN
Inventors: 马焕军
Original assignee: Tianjin Hua Chun Auto Parts Co ltd
Current assignee: Tianjin Hua Chun Auto Parts Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-17
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a feeding device for a plate punching machine, which relates to the technical field of punching equipment and comprises a frame, wherein a pair of conveying rollers are fixedly arranged on the frame, a pair of chain wheels are rotatably arranged on the frame, and one chain wheel is coaxially and fixedly connected with one conveying roller; a chain is connected between the pair of chain wheels in a transmission way, and a plurality of ratchets are fixedly arranged on the outer side of the chain; a first sliding block is arranged on the rack in a sliding manner, a tension spring is fixedly connected between one side of the first sliding block, which is far away from the punching machine, and the rack, a pawl is rotatably connected to the lower surface of the first sliding block, and the pawl is meshed with the ratchet; the first sliding block is provided with a driving mechanism. The utility model provides a can be automatically to panel material loading, use manpower sparingly, improve production efficiency, and convenient to use, a loading attachment for panel punching machine that the reliability is high.

Description

A loading attachment for panel punching machine

Technical Field

The utility model relates to a stamping equipment technical field especially relates to a loading attachment for panel punching machine.

Background

A large number of parts in the vehicle air conditioner are stamped parts, and these stamped parts are usually formed by stamping a metal plate through a stamping die by means of the pressure of a press. The traditional punching machine adopts a manual feeding mode, the feeding is slow, the feeding amount is unstable, and the waste of raw materials is easily caused.

The utility model discloses a current grant bulletin number is CN 202516968U's utility model discloses a conveyer of steel sheet punching machine, it includes conveying board, regulating plate, steel sheet punching machine frame, bolt and steel sheet punching machine the conveying board is formed by the steel sheet is folding, divide into a board and b board, and wherein on one of them side of the steel sheet punching machine is closely pasted to the a board, the b board is slope form and is located steel sheet punching machine frame, place respectively on the regulating plate at the bottom both ends of a board, every the regulating plate passes through bolt activity to be fixed in the steel sheet punching machine frame.

Adopt above-mentioned technical scheme, thereby be convenient for convey the product to next process through the regulating plate that sets up and conveying board and alleviateed intensity of labour, but still need the manual work to deliver to the feed inlet department of steel sheet punching machine with the material.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a loading attachment for panel punching machine utilizes the drive power when punching machine pushes down, makes transfer roller and punching machine realize synchronous to the panel material loading, uses manpower sparingly, improves production efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a feeding device for a plate punching machine comprises a rack, wherein a pair of conveying rollers are fixedly arranged on the rack, a pair of chain wheels are rotatably arranged on the rack, and one chain wheel is coaxially and fixedly connected with one conveying roller; a chain is connected between the pair of chain wheels in a transmission manner, and a plurality of ratchets are fixedly arranged on the outer side of the chain; a first sliding block is arranged on the rack in a sliding manner, a tension spring is fixedly connected between one side of the first sliding block, which is far away from the punching machine, and the rack, a pawl is rotatably connected to the lower surface of the first sliding block, and the pawl is meshed with the ratchet; and a driving mechanism is arranged on the first sliding block.

By adopting the technical scheme, under the driving of the driving mechanism, the pawl is meshed with the ratchet, so that the sliding block can only drive the chain to move in a single direction. The unilateral motion of chain drives the sprocket and rotates, the sprocket rotates and makes the transfer roller rotate, realizes the material loading process to panel, uses manpower sparingly, improves production efficiency.

The utility model discloses further set up to: the driving mechanism comprises a first connecting rod, one end of the first connecting rod is movably hinged with the first sliding block, a rotating shaft perpendicular to the first connecting rod is fixedly arranged at the other end of the first connecting rod, and the rotating shaft is rotatably connected with the rack; the driving mechanism further comprises a second connecting rod, one end of the second connecting rod is fixedly provided with a connecting cylinder, and the connecting cylinder is connected with the rotating shaft through a spline; the driving mechanism further comprises a vertically arranged pressing rod, the upper end of the pressing rod is fixedly connected with the punching machine, a second sliding block is arranged at the lower end of the pressing rod in a sliding mode, a thrust spring is fixedly connected between the upper side of the second sliding block and the pressing rod, and the second sliding block is located above the second connecting rod.

Through adopting above-mentioned technical scheme, when the punching press pushes down and carries out the punching press operation, the depression bar pushes down, makes the second connecting rod use the pivot to rotate as the center, owing to the cooperation is established with inlaying of spread groove to the connector key, makes the rotation of second connecting rod transmit pivot and first connecting rod, the rotation of first connecting rod makes first slider slide, accomplishes transmission process. In the using process, an operator can change the angular displacement of the second connecting rod generated when the second connecting rod is driven by the pressing rod to be pressed downwards in a mode of removing the connecting cylinder and then reinstalling the connecting cylinder, so that the stroke of the sliding block is changed, and the feeding amount of the feeding device is adjusted. The method can adjust the feeding amount in the feeding process, so that the feeding amount can be adjusted according to the size of the workpiece, the raw material is fully used, the waste of the raw material is reduced, and the economic benefit is improved. The second sliding block ensures that the feeding device can not provide extra pushing force for the plate after the punch of the punching machine contacts the plate, so that the reliability of the feeding device is improved.

The utility model discloses further set up to: the feeding device further comprises a pressing mechanism, the pressing mechanism comprises an elastic pressing head, and the elastic pressing head is fixedly connected with the pressing rod.

Through adopting above-mentioned technical scheme, hold-down mechanism can compress tightly the work piece at punching machine stamping process, prevents that the work piece from producing dislocation scheduling problem, also makes the process of material loading and punching press more controllable simultaneously, effectively improves loading attachment's practicality.

The utility model discloses further set up to: the chain wheel is internally provided with a damper.

Through adopting above-mentioned technical scheme, can prevent in the course of the work the sprocket is surprised or extra rotation and is extravagant to former material production, effectively improves loading attachment's practicality and reliability.

The utility model discloses further set up to: the frame is fixedly provided with a dial which is coaxial with the rotating shaft.

Through adopting above-mentioned technical scheme, the calibrated scale can make things convenient for operating personnel to adjust the position of second connecting rod according to certain angle, improves loading attachment's use convenience and practicality.

The utility model discloses further set up to: the fixed stopper that is provided with on the calibrated scale, the stopper is located one side of keeping away from the punching machine when first connecting rod initial position, just stopper and first connecting rod butt.

Through adopting above-mentioned technical scheme, the stopper can be injectd the reset position of first connecting rod, effectively improves loading attachment's reliability.

The utility model discloses further set up to: and an anti-slip layer is fixedly arranged on the surface of the conveying roller.

Through adopting above-mentioned technical scheme, the frictional force between transfer roller and the log is improved to the skid resistant course, improves the accuracy of material loading.

The utility model discloses further set up to: the feeding device further comprises a plurality of pairs of limiting wheels, and the limiting wheels are rotatably connected with the rack.

Through adopting above-mentioned technical scheme, spacing round improves the accuracy of material loading process, guarantees loading attachment's practicality.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the driving force provided by the punching machine is used, the feeding mechanism drives the conveying roller to realize synchronous feeding of the plates with the punching machine through the transmission of the driving mechanism, so that the labor is saved, and the production efficiency is improved.

(2) Utilize the built-in attenuator of sprocket, prevent in the course of the work that the sprocket is surprised or extra rotation and produce the waste to former material, effectively improve this loading attachment's reliability.

(3) Through setting up the calibrated scale, make things convenient for operating personnel to adjust the position of second connecting rod according to certain angle, improve this loading attachment's use convenience and practicality.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

FIG. 2 is a partially enlarged view of portion A of FIG. 1, mainly showing the structure of the driving mechanism;

fig. 3 is a top view of an embodiment of the present invention.

Reference numerals: 1. a frame; 2. a conveying roller; 3. a sprocket; 4. a chain; 5. a ratchet; 6. a first slider; 7. a tension spring; 8. a first link; 9. a rotating shaft; 10. a second link; 11. a connecting cylinder; 12. a pressure lever; 13. a thrust spring; 14. a second slider; 15. an elastic pressing head; 16. a dial scale; 17. a limiting block; 18. an anti-slip layer; 19. a limiting wheel; 20. a pawl.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to the attached drawing 1, the feeding device for the plate punching machine comprises a frame 1, a pressing rod 12 is arranged on the frame 1 in a sliding mode, the upper end of the pressing rod 12 is fixedly connected with the punching machine, a second sliding block 14 is arranged at the lower end of the pressing rod 12 in a sliding mode, and a thrust spring 13 is fixedly connected between the second sliding block 14 and the pressing rod 12. An elastic pressing head 15 is fixedly arranged on the pressing rod 12. The elastic pressing head 15 can press the raw material in advance when the punching machine presses down, so that the workpiece is prevented from being misplaced and the like, the process of feeding and punching is more controllable, and the practicability of the feeding device is effectively improved. A rotating shaft 9 is rotatably connected to the frame 1, a first connecting rod 8 vertical to the rotating shaft 9 is fixedly arranged on the rotating shaft 9, and a connecting cylinder 11 is connected to the rotating shaft 9 through a spline; a second connecting rod 10 is fixedly arranged on the connecting cylinder 11, and one end of the second connecting rod 10, which is far away from the connecting cylinder 11, is positioned below the second sliding block 14. When the punching machine is pressed downwards to perform punching operation, the pressing rod 12 is pressed downwards to enable the second connecting rod 10 to rotate by taking the rotating shaft 9 as a center, the rotation of the second connecting rod 10 is transmitted to the rotating shaft 9 and the first connecting rod 8, and the rotation of the first connecting rod 8 enables the first sliding block 6 to slide, so that the transmission process is completed. During the use process, an operator can change the angular displacement of the second connecting rod 10 generated when the second connecting rod is driven by the pressing rod 12 to be pressed downwards in a mode of removing the connecting cylinder 11 and then reinstalling the connecting cylinder, so that the feeding amount of the feeding device can be adjusted. The method can adjust the feeding amount in the feeding process, so that the feeding amount can be adjusted according to the size of the workpiece, the raw material is fully used, the waste of the raw material is reduced, and the economic benefit is improved. The dial 16 coaxial with the rotating shaft 9 is fixedly arranged on the frame 1, the dial 16 can be convenient for an operator to adjust the position of the second connecting rod 10 according to a certain angle, and the use convenience and the practicability of the feeding device are improved. Fixed stopper 17 that is provided with on the calibrated scale 16, stopper 17 is located the one side of keeping away from the punching machine when 8 initial positions of first connecting rod, and stopper 17 and 8 butts of first connecting rod.

Referring to fig. 2, the frame 1 is slidably connected with a first slide block 6, the first slide block 6 is further movably hinged with a first connecting rod 8, a tension spring 7 is fixedly connected between one side of the first slide block 6, which is far away from the punching machine, and the frame 1, and the lower surface of the first slide block 6 is rotatably connected with a pawl 20. A pair of chain wheels 3 with built-in dampers are rotatably arranged on the frame 1, a chain 4 is connected between the pair of chain wheels 3 in a transmission way, and a plurality of ratchets 5 are fixedly arranged on the outer side of the chain 4. The attenuator provides certain damping for the rotation process of sprocket 3, can prevent that sprocket 3 from carrying out accident or extra rotation and producing extravagantly to former material in the course of the work, effectively improves loading attachment's practicality and reliability. The engagement of the pawl 20 with the ratchet 5 ensures that the slider can only drive the chain 4 to move in one direction.

Referring to fig. 3, the frame 1 is further provided with a pair of conveying rollers 2, one of the conveying rollers 2 is fixedly connected with a chain wheel 3, and the surface of the conveying roller 2 is fixedly provided with an anti-skid layer 18. The anti-slip layer 18 improves the friction force between the transfer roller 2 and the raw material, and improves the accuracy of feeding. Still fixedly on the frame 1 be provided with a plurality ofly to spacing round 19, spacing round 19 improves the accuracy of material loading process, guarantees loading attachment's practicality.

The working principle of the embodiment is as follows: when the punching machine pushes down and carries out the punching press operation, depression bar 12 pushes down, make second connecting rod 10 use pivot 9 to rotate as the center, pivot 9 and first connecting rod 8 are transmitted to the rotation of second connecting rod 10, and the rotation of first connecting rod 8 makes first slider 6 slide to the direction that is close to the punching machine, and under the meshing of ratchet 5 and pawl 20, the slider drives chain 4 and moves, drives sprocket 3 and rotates then, drives transfer roller 2 and rotates then, accomplishes the material loading process. When the punching machine finishes punching operation and lifts up, the first sliding block 6 is reset under the action of the tension spring 7, and the chain 4 does not move along due to the action of the pawl 20 and the ratchet 5. When the size of the stamping part changes, an operator can adjust the angle between the second connecting rod 10 and the first connecting rod by taking down the connecting cylinder 11 and then reinstalling the connecting cylinder, so that the feeding amount of the feeding device can be adjusted. By the method, synchronous feeding of the feeding device is realized under the driving of the punching machine, labor is saved, and production efficiency is improved.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A loading attachment for sheet material punching machine, includes frame (1), its characterized in that: a pair of conveying rollers (2) is fixedly arranged on the rack (1), a pair of chain wheels (3) is rotatably connected to the rack (1), and one chain wheel (3) is coaxially and fixedly connected with one conveying roller (2); a chain (4) is connected between the pair of chain wheels (3) in a transmission way, and a plurality of ratchets (5) are fixedly arranged on the outer side of the chain (4); a first sliding block (6) is arranged on the rack (1) in a sliding mode, a tension spring (7) is fixedly connected between one side, away from the punching machine, of the first sliding block (6) and the rack (1), a pawl (20) is rotatably connected to the lower surface of the first sliding block (6), and the pawl (20) is meshed with the ratchet (5); and a driving mechanism is arranged on the first sliding block (6).

2. A loading device for a sheet material stamping press according to claim 1, wherein: the driving mechanism comprises a first connecting rod (8), one end of the first connecting rod (8) is movably hinged with the first sliding block (6), a rotating shaft (9) perpendicular to the first connecting rod (8) is fixedly arranged at the other end of the first connecting rod (8), and the rotating shaft (9) is rotatably connected with the rack (1); the driving mechanism further comprises a second connecting rod (10), one end of the second connecting rod (10) is fixedly provided with a connecting cylinder (11), and the connecting cylinder (11) is connected with the rotating shaft (9) through a spline; the driving mechanism further comprises a vertically arranged pressing rod (12), the upper end of the pressing rod (12) is fixedly connected with the punching machine, a second sliding block (14) is arranged at the lower end of the pressing rod (12) in a sliding mode, a thrust spring (13) is fixedly connected between the upper side of the second sliding block (14) and the pressing rod (12), and the second sliding block (14) is located above the second connecting rod (10).

3. A loading device for a sheet material stamping press according to claim 2, wherein: the feeding device further comprises a pressing mechanism, the pressing mechanism comprises an elastic pressing head (15), and the elastic pressing head (15) is fixedly connected with the pressing rod (12).

4. A loading device for a sheet material stamping press according to claim 1, wherein: the chain wheel (3) is internally provided with a damper.

5. A loading device for a sheet material stamping press according to claim 4, wherein: the frame (1) is fixedly provided with a dial (16), and the dial (16) is coaxial with the rotating shaft (9).

6. A loading device for a sheet material stamping press according to claim 5, wherein: fixed stopper (17) that is provided with on calibrated scale (16), stopper (17) are located one side of keeping away from the punching machine when first connecting rod (8) initial position, just stopper (17) and first connecting rod (8) butt.

7. A loading device for a sheet material stamping press according to claim 6, wherein: and an anti-skid layer (18) is fixedly arranged on the surface of the conveying roller (2).

8. A loading device for a sheet material stamping press according to claim 4, wherein: the feeding device further comprises a plurality of pairs of limiting wheels (19), and the limiting wheels (19) are rotatably connected with the rack (1).