CN109647966B

CN109647966B - Online punching mechanism

Info

Publication number: CN109647966B
Application number: CN201811616943.1A
Authority: CN
Inventors: 江小飞; 刘玉权
Original assignee: Ningbo Hongxie Automotive Parts Co ltd
Current assignee: Ningbo Hongxie Automotive Parts Co ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2020-12-18
Anticipated expiration: 2038-12-28
Also published as: CN109647966A

Abstract

The invention provides an online punching mechanism, and belongs to the technical field of online punching equipment. This mechanism punches a hole on line includes feeding mechanism, transport mechanism, fixed establishment of punching a hole, feeding mechanism is the transport mechanism pay-off, transport mechanism is used for carrying the product, the mechanism of punching a hole sets up near transport mechanism and is used for punching a hole to the product, fixed establishment is including the location structure and the clamping structure who divide to locate the transport mechanism both sides, location structure includes the fixed position support that contacts with a product side, sets firmly at the regulation seat and the adjusting screw with one side with the fixed position support, adjusting screw connects fixed position support and adjusts the seat, clamping structure is including the removal positioning support and the actuating mechanism who are located another side of product, actuating mechanism provides the return stroke power for removing the positioning support. The online punching mechanism has the advantages of being simple and convenient to adjust, and capable of meeting the requirements of hole distance stability and smooth product movement.

Description

Online punching mechanism

Technical Field

The invention belongs to the technical field of online punching equipment, and relates to an online punching mechanism.

Background

The manufacture of automobile parts generally involves many processes, such as machining, welding, punching, etc. In many cases, it is necessary to punch holes in the steel strip, for example: door rails, door window trims, and the like. At present, the online punching mechanism has the following problems: on one hand, in the product, the distance from the hole to the side edge is required to be stable when the hole is used for installing and positioning the product, but the distance between the holes is often changed due to the reasons of slight difference of material performances of different batches, different rolling deformation and the like; on the other hand, since the product is required to move smoothly in the die, a sufficient moving space is secured.

In the prior art, the width adjustment of a product moving area is fixed and cannot be changed according to stamping action, so that the two requirements cannot be met at the same time, and the product moving space is reduced to ensure that the product cannot move smoothly in a stamping die in order to ensure the stable distance from a hole to a side edge; to ensure that the product moves smoothly through the die, pitch stability must be sacrificed.

In summary, in order to solve the problem that the conventional online punching mechanism cannot simultaneously guarantee the stability of the pitch and the smooth movement of the product, the invention designs the online punching mechanism which is simple and convenient to adjust and can simultaneously meet the stability of the pitch and the smooth movement of the product.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an on-line punching mechanism which is simple and convenient to adjust and can simultaneously meet the requirements of hole distance stability and smooth product movement.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an online punching mechanism, includes feeding mechanism, transport mechanism, punching mechanism, fixed establishment, feeding mechanism is the transport mechanism pay-off, transport mechanism is used for carrying the product, punching mechanism sets up near transport mechanism and is used for punching a hole to the product, fixed establishment is including dividing the location structure and the clamp structure who locates the transport mechanism both sides, location structure includes the fixed position support that contacts with a product side, sets firmly at the regulation seat and the adjusting screw with one side with the fixed position support, adjusting screw connects fixed position support and adjusts the seat, press from both sides tight structure including the mobile location support and the actuating mechanism who are located another side of product, actuating mechanism provides return stroke power for the mobile location support.

As a further improvement of the present invention, the driving mechanism is a cylinder.

As a further improvement of the invention, the punching mechanism comprises an upper template, a male die block arranged on the upper template, a lower template, a female die block arranged on the lower template and guide posts arranged on the periphery, wherein the male die block is matched with the female die block.

As a further improvement of the present invention, a guide bracket is fixedly disposed at a corresponding position of the fixed positioning bracket and the movable positioning bracket on the lower template, and a hole structure for the fixed positioning bracket and the movable positioning bracket to pass through is disposed inside the guide bracket.

As a further improvement of the invention, the feeding mechanism comprises a feeding bracket, two rollers arranged above and below the feeding bracket and adjusting screws arranged at two ends of the top of the feeding bracket, and a product is fed and conveyed through a gap between the two rollers.

As a further improvement of the invention, the roller at the lower part is fixedly arranged on the feeding bracket, the roller at the upper part is movably arranged on the feeding bracket, and the position of the roller at the upper part can be adjusted by the adjusting screw rod in the vertical direction.

As a further improvement of the invention, the conveying mechanism comprises two groups of guide wheels which are arranged in a bilateral symmetry mode, a material pressing plate which is positioned in front of and behind the punching mechanism, a conveying channel for bearing products and at least one group of limiting columns which are arranged on two sides of the conveying channel in a row mode, and the conveying channels of the feeding mechanism and the conveying mechanism are on the same horizontal plane.

As a further improvement of the invention, an annular groove is arranged in the middle of the guide wheel, and products are conveyed through the groove of the guide wheel.

As a further improvement of the invention, the pressure plate is provided with an opening for the product to pass through.

Based on the technical scheme, the embodiment of the invention can at least produce the following technical effects: the online punching mechanism enables the distance between a product hole and the side face to be kept stable through the positioning structure and the clamping structure, the positioning structure is kept fixed, when the clamping structure works, the driving mechanism pushes the movable positioning support to enable a product to be continuously close to the fixed positioning support of the positioning structure, when the side face of the product is tightly attached to the fixed positioning support of the positioning structure, the clamping structure stops and keeps fixed, the product is enabled to be kept at a fixed position, after punching is finished, the driving mechanism drives the movable positioning support to retract, and enough space is reserved to enable the product to be conveyed and moved; the product hole and the side distance are kept stable by the aid of the matching of the positioning structure and the clamping structure, after punching is finished, the product can be stably and continuously conveyed by the aid of returning of the clamping structure, continuity and stability of a punching process are improved, continuous feeding and continuous punching of the product are realized, adjustment is convenient, the size is stable, a platform is provided for automatic production, and labor cost is saved.

Drawings

Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

Fig. 2 is a schematic view of the structure of fig. 1 from another view angle.

Fig. 3 is a schematic view of the structure of fig. 1 from another view angle.

Fig. 4 is a cross-sectional view of fig. 1.

FIG. 5 is a schematic view of a positioning structure and a clamping structure

In the figure, 100, a feeding mechanism; 110. a feeding bracket; 120. a roller; 130 adjusting screw rods; 200. a punching mechanism; 210. mounting a template; 220. a male die block; 230. a female die block; 240. a lower template; 250. an opening; 300. a transport mechanism; 310. a guide wheel; 320. a material pressing plate; 330. a transfer channel; 340. a limiting column; 400. a fixing mechanism; 410. a positioning structure; 420. a clamping structure; 430. a guide bracket; 411. fixing a positioning bracket; 412. an adjusting seat; 413. adjusting the screw rod; 421. moving the positioning bracket; 422. a drive mechanism.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 5.

As shown in fig. 1 to 5, the on-line punching mechanism includes a feeding mechanism 100, a conveying mechanism 300, a punching mechanism 200, and a fixing mechanism 400, wherein the feeding mechanism 100 feeds materials for the conveying mechanism, the conveying mechanism 300 is used for conveying products, the punching mechanism 200 is disposed near the conveying mechanism and is used for punching the products, the fixing mechanism 400 includes a positioning structure 410 and a clamping structure 420 respectively disposed at two sides of the conveying mechanism, the positioning structure 410 includes a fixed positioning bracket 411 contacting one side of the products, an adjusting seat 412 and an adjusting screw 413 fixedly disposed at the same side of the fixed positioning bracket 411, the adjusting screw connects the fixed positioning bracket and the adjusting seat, the clamping structure 420 includes a movable positioning bracket 421 and a driving mechanism 422 disposed at the other side of the products, the driving mechanism 422 provides return power for the movable positioning bracket 421, and during operation, the driving mechanism 422 drives the movable positioning support 421 to push the product to move, so that the side edge of the product is tightly attached to the fixed positioning support 411 to achieve the purpose of positioning the product, and after the punching is finished, the driving mechanism 422 drives the movable positioning support 421 to retract, so that enough space is reserved to enable the product to be continuously conveyed downwards. Preferably, an air cylinder is used as the driving mechanism 422.

The position of the fixed positioning support 411 can be adjusted through the adjusting screw 413, fine adjustment is carried out according to different batch size performances of products, so that the stability of the hole distance is ensured, the fixed positioning support 411 is tightly attached to the side edge of the product in working, and the distance between the hole and the side edge of the product is determined by controlling the distance between the hole and the fixed positioning support 411.

During operation, actuating mechanism drives the movable positioning support and promotes the product and remove, makes the product side hug closely fixed positioning support, reaches the purpose to the product location, and after punching a hole, actuating mechanism drives the movable positioning support and withdraws, makes the product have sufficient space and conveys.

According to the invention, the positioning structure 410 and the clamping structure 420 are used for keeping the product fixed, especially, the distance between the product hole and the side edge is kept stable, compared with the prior art, the positioning and clamping procedures are added, the adjustment is convenient, and the stability of the hole distance is ensured. In addition, after punching, actuating mechanism 422 drives mobile positioning support 421 and withdraws, remains enough space and makes the product continue the downward conveying, has guaranteed the smooth and easy removal of product in transport mechanism 300, has avoided among the prior art product because of the removal interval narrow excessively, the problem that the product disability rate that the conveying card is pause and leads to is high. Compared with the prior art, the online punching mechanism has the advantages of convenient adjustment, high hole distance stability and smooth production, so that the product has high stability, low rejection rate and low labor cost, and a platform is provided for subsequent automatic production.

Further, as shown in fig. 1 and 3, the feeding mechanism 100 includes a feeding bracket 110, two rollers 120 disposed on the feeding bracket 110 and symmetrically disposed up and down, and adjusting screws 130 disposed at two ends of the top of the feeding bracket 110 for adjusting the distance between the rollers. Preferably, the lower roller 120 is fixedly disposed on the feeding frame 110, the upper roller 120 is movably disposed on the feeding frame 110, and the adjusting screw 130 can adjust the position of the upper roller 120 in the vertical direction, so as to change the size of the gap between the rollers 120. The product is fed and conveyed through the middle gap between the two rollers 120, on one hand, the adjusting screw 130 can adjust the size of the middle gap between the rollers 120 to adapt to different product thicknesses, on the other hand, the moving space of the product is limited, and the moving direction and the position of the product are ensured.

In order to enable the products to be smoothly conveyed and avoid the vertical and horizontal deviation, as shown in fig. 1, fig. 2 and fig. 4, the conveying mechanism 300 is provided with a plurality of components, two sets of guide wheels 310 which are symmetrically arranged left and right, a material pressing plate 320 which is positioned in front of and behind the punching mechanism, a conveying channel 330 for bearing the products, and at least one set of limiting columns 340 which are arranged on two sides of the conveying channel, wherein the conveying mechanism 100 and the conveying channel 330 are on the same horizontal plane. An annular groove is formed in the middle of the guide wheel 310, products are conveyed through the groove of the guide wheel 310, the guide wheel 310 is driven to rotate synchronously in the product conveying process, and the products are limited in the groove of the guide wheel 310. The pressure plate 320 is provided with an opening at a position where the product passes through, and the periphery of the opening is closed, so that the product can be smoothly conveyed while the deviation is avoided. The product-carrying lower platen 240 is concave in the middle, and the concave surface extends in the horizontal direction to form a product conveying channel 330, so that the product is limited in the concave surface in a deflection way.

Further, as shown in fig. 1 and 4, the punching mechanism 200 includes an upper mold plate 210, a male mold block 220 disposed on the upper mold plate 210, a lower mold plate 240, a female mold block 230 disposed on the lower mold plate 240, and a guide post connected between the upper mold plate 210 and the lower mold plate 240, wherein the male mold block 220 is matched with the female mold block 230. The upper and

lower templates

210 and 240 are provided with guide holes matching with the guide posts and can slide along the guide posts. The number, shape and position of the male and female mold blocks 220, 230 can be selected according to the product requirements, including but not limited to those shown in the present embodiment. Parameters such as pressure and speed of the punching mechanism 200 are controlled by the controller to realize continuous action. Preferably, the die block 220 is provided with an opening 250 communicating up and down, through which the punching residue is collected and discharged.

Further, as shown in fig. 4 and 5, a guide bracket 430 is fixedly disposed at the positions of the fixed positioning bracket 411 and the movable positioning bracket 421 of the lower template 240, a hole structure for the fixed positioning bracket 411 and the movable positioning bracket 421 to pass through is disposed inside the guide bracket 430, and the fixed positioning bracket 411 and the movable positioning bracket 421 are limited to have only forward and backward strokes.

In a preferred or alternative embodiment, the in-line punching mechanism of the present invention further comprises another set of punching mechanisms, wherein the male die block and the female die block are corresponding type head die assemblies. And adjusting the position of the font module according to the requirement of the product.

The working principle of the online punching mechanism is as follows: before products start to continuously feed and punch, debugging an online punching mechanism, selecting and installing matched concave-convex die assemblies 230 and 220 according to different product requirements, adjusting an adjusting screw 413 according to different batch performances and size differences of the products, and determining the distance from a hole to a side edge; after debugging is finished, products start to be continuously fed and punched, when the products are transmitted to proper positions through the feeding mechanism 100 and the transmission mechanism 300, the feeding mechanism 100 and the transmission mechanism 300 stop moving through electronic signals, and the products stop moving at the same time; the clamping structure 420 moves the positioning bracket 421 to push the product, and when the side edge of the product abuts against the fixed positioning bracket 411, the product stops moving and keeps the position, and the product keeps fixed; then, the upper mold plate 210 drives the male mold block 220 to move downwards, penetrate through the product and are inserted into the female mold block 230, and the product is punched; after the punching action is completed, the upper mold plate 210 drives the male mold block 220 to return, and meanwhile, the clamping structure 420 moves the positioning support 421 to return, so that the product is conveyed continuously.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides an online mechanism of punching a hole which characterized in that: the punching mechanism comprises an upper template, a male die block arranged on the upper template, a lower template, a female die block arranged on the lower template and guide posts arranged on the periphery, the male die block is matched with the female die block, the fixing mechanism comprises a positioning structure and a clamping structure which are respectively arranged on two sides of the conveying mechanism, the positioning structure comprises a fixed positioning bracket contacted with one side edge of a product, an adjusting seat and an adjusting screw rod which are fixedly arranged on the same side of the fixed positioning bracket, the adjusting screw rod is connected with the fixed positioning bracket and the adjusting seat, the fixed positioning bracket is tightly attached to the side edge of the product, and the clamping structure comprises a movable positioning bracket and a driving mechanism which are arranged on the other side edge of the product, the driving mechanism provides power for the moving and positioning support to return, the lower template is fixedly provided with a guide support at the corresponding position of the fixed positioning support and the moving and positioning support, and a hole structure for the fixed positioning support and the moving and positioning support to pass through is arranged in the guide support.

2. The in-line punching mechanism of claim 1, wherein: the driving mechanism is an air cylinder.

3. The in-line punching mechanism of claim 1, wherein: the feeding mechanism comprises a feeding support, two rollers arranged above and below the feeding support and adjusting screws arranged at two ends of the top of the feeding support.

4. The in-line punching mechanism of claim 3, wherein: the roller at the lower part is fixedly arranged on the feeding bracket, the roller at the upper part is movably arranged on the feeding bracket, and the position of the roller at the upper part can be adjusted by the adjusting screw rod in the vertical direction.

5. The in-line punching mechanism according to any one of claims 1 to 4, wherein: the conveying mechanism comprises two groups of guide wheels which are arranged in bilateral symmetry, a material pressing plate which is positioned in front of and behind the punching mechanism, a conveying channel for bearing products and at least one group of limiting columns which are arranged on two sides of the conveying channel in a row mode, and the material feeding mechanism and the conveying channel of the conveying mechanism are on the same horizontal plane.

6. The in-line punching mechanism of claim 5, wherein: an annular groove is formed in the middle of the guide wheel, and products are conveyed through the guide wheel groove.

7. The in-line punching mechanism of claim 5, wherein: the pressure plate is provided with an opening for a product to pass through.