CN212310566U - Punching die for cable bridge production - Google Patents

Abstract

The utility model relates to a cut-out press is used in production of cable testing bridge, including upper die base and die holder, upper die base bottom one end symmetry is equipped with two uide bushings, the upper die base other end can be dismantled and be connected with the terrace die, upward terrace die bottom interval distribution has a plurality of vertical spouts, it is equipped with the drift to slide in the spout, draw-in groove and the last terrace die lateral wall of neighbouring that spout upper portion passes through this spout of perpendicular to communicate, horizontal slip is equipped with the dog in the draw-in groove, the upper die base bottom that upward terrace die four corners department corresponds all is equipped with elastic cushion, the correspondence of die holder top is equipped with guide post and lower die, lower die can be dismantled with the die holder and be connected, it is equipped with the punching press through-hole to correspond on the lower die, the logical groove of. The utility model discloses a punching position is adjustable, and it is nimble convenient to use, and the garbage collection after punching a hole is convenient, and the terrace die resets rapidly after punching a hole, can prevent the terrace die and lower die collision, improves life.

Description

Punching die for cable bridge production

Technical Field

The utility model belongs to the technical field of the production of cable testing bridge, concretely relates to cut-out press is used in production of cable testing bridge.

Background

The cable bridge is divided into structures of a groove type, a tray type, a ladder type, a grid type and the like, is composed of a support, a supporting arm, an installation accessory and the like, can be independently erected and can also be attached to various buildings and pipe gallery supports, and the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like are reflected. The production process of the cable bridge mainly comprises the steps of blanking, punching, bending and welding, appearance processing, inspection and warehousing and the like. The punching process is generally performed by a punching die. However, the punching die for producing the existing cable bridge still has some defects, mainly including: 1. the position of the lower die holder corresponding to the lower female die is closed, so that waste materials punched by punching cannot be effectively discharged and collected, the waste materials need to be manually cleaned, time and labor are wasted, and the mess of the surrounding environment is easily caused; 2. the limiting and resetting effects of the guide post and the reset spring on the guide post are poor, the speed is low, the compression limit of the reset spring when the upper male die is pressed downwards is small, and the upper male die is easily pressed downwards to be over-positioned, so that the upper male die and the lower female die are damaged due to collision, and the service lives of the upper male die and the lower female die are shortened; 3. the positions of holes required by cable bridges of different specifications are different, punching holes on a punch on a group of upper punches and a corresponding lower punch are fixed, the punching requirements of one cable bridge can only be met by the same group of upper punches and the same group of lower punches, multiple groups of upper punches and lower punches need to be prepared in actual production, the cost is increased, frequent replacement is needed, operation is complex, time and labor are wasted, the process of a punching process is seriously influenced, production and processing of the cable bridge are not facilitated, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a cut-out press is used in production of cable testing bridge to solve above-mentioned technical problem.

In order to achieve the above object, the utility model adopts the following technical scheme: a punching die for producing a cable bridge comprises an upper die base and a lower die base, wherein two guide sleeves are symmetrically arranged at two corners of one end of the bottom of the upper die base, an upper convex die is detachably connected to the other end of the bottom of the upper die base, a plurality of vertically arranged sliding grooves are distributed at intervals at the bottom of the upper convex die, punches are arranged in the sliding grooves in a sliding mode, the bottoms of the punches extend out of the sliding grooves to be below the upper convex die, the upper parts of the sliding grooves are communicated with the outer side wall of the adjacent upper convex die through clamping grooves perpendicular to the sliding grooves, stop blocks are horizontally arranged in the clamping grooves in a sliding mode, air cylinders are horizontally arranged at positions, corresponding to the clamping grooves, of the bottom of the upper die base, piston rods of the air cylinders extend into the clamping grooves and are fixedly connected with the stop blocks, elastic cushion blocks are vertically arranged at the bottoms of the upper die base corresponding to, the die holder is characterized in that guide posts are arranged at positions, corresponding to the two guide sleeves, of the top of the die holder, reset springs are arranged on the guide posts in a winding mode, lower female dies are detachably connected to positions, corresponding to the upper male dies, of the top of the die holder, stamping through holes are formed in the positions, corresponding to the punches, of the lower female dies, blanking through grooves are formed in the die holder corresponding to the areas where the stamping through holes are located, and waste collecting boxes are arranged below the blanking through grooves.

Preferably, a hydraulic cylinder is vertically arranged above the upper die base, and a piston rod of the hydraulic cylinder faces downwards and is fixedly connected with the top of the upper die base.

Preferably, the inner diameter of the guide sleeve is matched with the diameter of the guide column.

Preferably, the top end of the punch is provided with a clamping part with a cross section area larger than that of the punch.

Preferably, the lower part of the sliding groove is provided with a step surface adapted to the clamping part.

Preferably, the difference between the length of the elastic cushion block and the distance from the bottom end of the punch to the bottom of the upper die holder is equal to the height of the lower female die.

Preferably, the top of the upper male die is detachably connected with the upper die base through a plurality of connecting bolts, and the front end and the rear end of the lower female die are detachably connected with the lower die base through countersunk bolts.

The utility model has the advantages that: the utility model has reasonable design and simple structure, and the arrangement of the blanking through groove on the lower die holder and the waste collecting box below the blanking through groove can lead the punched waste to directly drop into the waste collecting box, thereby facilitating the discharge and collection of the waste, ensuring the tidiness of the production environment, avoiding manual cleaning, reducing the labor intensity of workers and improving the punching efficiency; the elastic cushion block is arranged, so that on one hand, the upper male die can be limited in the process of pressing and punching the punch downwards, the upper male die is prevented from being pressed to be over-positioned, the upper male die and the lower female die are prevented from being collided, the service lives of the upper male die and the lower female die are prolonged, on the other hand, elastic reaction force can be provided, the resetting of the upper male die after punching is accelerated by matching with the elasticity of the reset spring, and the punching efficiency is further improved; the slip setting of drift in the spout and the slip setting of dog in the draw-in groove, can cooperate the flexible of carrying out the drift, when needing a certain drift to punch a hole promptly, can block this spout in pushing the spout with its dog that corresponds, make this drift unable shift up and then the cooperation operate of punching a hole, when not needing this drift to punch a hole, move back the dog in the draw-in groove, go up the terrace die and push down the in-process of punching a hole, this drift just can shift up in the spout, do not influence the punching a hole of other positions, and the operation is simple, high durability and convenient use, utilize a set of terrace die and lower die alright cooperation to carry out the operation of punching a hole of the different positions of cable testing bridge of different specifications, the use flexibility and the convenience of mould are greatly improved, reduce mould input cost, and need not frequently to change terrace die and lower die, time and labor saving, reduce the.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic view of the upper die base of the present invention;

fig. 3 is a schematic top view of the lower die holder of the present invention.

Reference numbers in the figures: 1 is the pneumatic cylinder, 2 is connecting bolt, 3 is the upper die base, 4 is the punch pin, 5 is the uide bushing, 6 is the cylinder, 7 is the dog, 8 is the cushion, 9 is joint portion, 10 is the drift, 11 is the spout, 12 is the lower die, 13 is the die holder, 14 is the guide post, 15 is reset spring, 16 is the garbage collection box, 17 is the draw-in groove, 18 is the countersunk bolt, 19 is the punching press through-hole, 20 is the logical groove of blanking.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 3, a punching die for producing a cable bridge comprises an upper die holder 3 and a lower die holder 13. Two guide sleeves 5 are symmetrically arranged at two corners at one end of the bottom of the upper die holder 3 and are used for guiding in a matching manner. The other end of the bottom of the upper die holder 3 is detachably connected with an upper male die 4, a plurality of vertically arranged sliding grooves 11 are distributed at the bottom of the upper male die 4 at intervals, punches 10 are arranged in the sliding grooves 11 in a sliding mode, the bottom ends of the punches 10 extend out of the sliding grooves 11 to be below the upper male die 4, the upper portions of the sliding grooves 11 are communicated with the outer side wall of the adjacent upper male die 4 through clamping grooves 17 perpendicular to the sliding grooves 11, stop blocks 7 are horizontally arranged in the clamping grooves 17 in a sliding mode, air cylinders 6 are horizontally arranged at positions, corresponding to the clamping grooves 17, of the bottom of the upper die holder 3, piston rods of the air cylinders 6 extend into the clamping grooves 17 and are fixedly connected with the stop blocks 7, the punches 10 can be extended and retracted in a matched mode, when a certain punch 10 is needed, the corresponding stop block 7 can be pushed into the sliding groove 11 by the air cylinders 6 to block the sliding grooves 11, in the process of pressing down and punching the hole by the upper male die 4, the punch 10 can move up in the sliding groove 11 without affecting punching of other positions, the operation is simple, the use is convenient, the punching operation of different positions of the cable bridge frame with different specifications can be carried out by utilizing the cooperation of the upper male die 4 and the lower female die 12, the use flexibility and convenience of the die are greatly improved, the investment cost of the die is reduced, the upper male die 4 and the lower female die 12 are not required to be frequently replaced, the time and the labor are saved, the processing difficulty of the punching process is reduced, and the production efficiency of the cable bridge frame is improved. Go up 3 bottoms of corresponding upper die base in four corners department of terrace die 4 and all vertically be equipped with cushion 8, cushion 8's length is greater than the bottom of drift 10 and the distance between 3 bottoms of upper die base, utilize cushion 8, can push down the in-process of punching a hole at drift 10 on the one hand and play limiting displacement to last terrace die 4, prevent that last terrace die 4 from pushing down the dislocation, avoid appearing colliding between last terrace die 4 and the lower die 12, the life of terrace die 4 and lower die 12 is gone up in the improvement, on the other hand can provide elasticity reaction force, cooperation reset of the back terrace die 4 that punches a hole is accelerated to the elasticity of reset spring 15, further improve punching efficiency. The lower die base 13 is arranged below the upper die base 3, the guide columns 14 are arranged at positions, corresponding to the two guide sleeves 5, of the top of the lower die base 13 and used for being matched with the guide sleeves 5 to guide, and the return springs 15 are arranged on the guide columns 14 in a winding mode and used for providing elastic force to assist the upper die 4 after punching to reset. The top of the lower die holder 13 is detachably connected with a lower female die 12 at a position corresponding to the upper male die 4, and punching through holes 19 are formed in the lower female die 12 at positions corresponding to the punches 10 and used for being matched with the punches 10 to perform punching operation. The blanking through groove 20 is formed in the lower die holder 13 corresponding to the region where the punching through hole 19 is located, the waste collection box 16 is arranged below the blanking through groove 20, the punched waste can directly fall into the waste collection box 16 through the blanking through groove 20, the waste can be conveniently discharged and collected, the production environment is clean and tidy, manual cleaning is not needed, the labor intensity of workers can be reduced, and the punching efficiency is improved.

In this embodiment, the vertical pneumatic cylinder 1 that is equipped with in top of upper die base 3, the piston rod of pneumatic cylinder 1 down and with the top fixed connection of upper die base 3, through the flexible of the piston rod of pneumatic cylinder 1, drive the whole of upper die base 3 and reciprocate to the cooperation is punched a hole the operation.

In this embodiment, the internal diameter of uide bushing 5 and the diameter looks adaptation of guide post 14 to make upper die base 3 in the in-process that moves down, guide post 14 can insert in the uide bushing to guide the moving motion of upper die base 3, compressible reset spring 15 simultaneously, the elasticity that utilizes reset spring 15 to provide makes upper die base 3 can reset fast after punching a hole, the follow-up punching a hole of being convenient for.

In this embodiment, the top end of the punch 10 is provided with a clamping portion 9 with a cross-sectional area larger than that of the punch 10, and correspondingly, the lower portion of the chute 11 is also provided with a step surface adapted to the clamping portion 9, so that the punch 10 can be clamped at the lower portion of the chute 11 to limit the downward movement of the punch 10 and prevent the punch 10 from being separated from the upper male die 4.

In this embodiment, the difference between the length of the elastic cushion block 8 and the distance from the bottom end of the punch 10 to the bottom of the upper die holder 3 is equal to the height of the lower die 12, so that when the bottom end of the punch 10 moves down onto the lower die 12, the bottom end of the elastic cushion block 8 can be contacted with the top of the lower die holder 13, and in the process of continuously pressing down the upper die holder 3, the elastic cushion block 8 can be compressed to deform to generate elastic reaction force, so that the elastic reaction force can be used for limiting the upper male die 4, preventing the upper male die 4 from pressing down to be over-positioned, avoiding collision between the upper male die 4 and the lower die 12, prolonging the service lives of the upper male die 4 and the lower die 12, and accelerating the resetting of the upper male die 4 after punching by matching with the.

In this embodiment, go up the terrace die 4 top and can dismantle with the upper die base 3 through a plurality of connecting bolt 2 and be connected, the dismouting of the terrace die 4 of being convenient for, the convenience is maintained and is changed the terrace die 4, and the process of dismantling specifically is: and operating each air cylinder 6 to enable the piston rod of each air cylinder to contract, driving each check block 7 to withdraw from the clamping groove 17 to the outside of the upper male die, and screwing down each connecting bolt 2. Both ends all can be dismantled with lower die holder 13 through countersunk head bolt 18 around lower die 12 and be connected, and the dismouting of die 12 down of being convenient for is conveniently maintained and is changed lower die 12, adopts countersunk head bolt 18 to connect and can guarantee the level and smooth of die 12 upper surface down to do not influence the operation of punching a hole.

The utility model discloses a theory of operation: the utility model discloses when using, adjust each drift 10 according to the actual position that needs punch a hole on the cable testing bridge panel earlier, carry out the shutoff with the spout 11 that drift 10 that will need use corresponds, specifically do: and operating the air cylinder 6 corresponding to the punch 10 required to be used, extending a piston rod of the air cylinder to push the corresponding stop block 7 to slide in the clamping groove 17 and enter the sliding groove 11, firmly abutting the stop block 7 on the inner wall of the corresponding sliding groove 11, realizing the blocking of the sliding groove 11 and stopping the punch 10 from moving up and down in the sliding groove 11. Meanwhile, the stop blocks 7 corresponding to the punches 10 which are not needed to be used are positioned in the corresponding clamping grooves 17, so that the up-and-down movement of the punches 10 is not limited. Then, a punching operation can be performed, specifically: a plate to be punched is placed on the lower concave die 12 and is positioned and clamped, then the hydraulic cylinder 1 operates, the piston rod of the device extends to push the upper die holder 3, the upper die 4 and other parts to move downwards, in the process of moving downwards, the guide sleeve 5 can be sleeved on the guide post 14 and compress the return spring 15, when the bottom end of the punch 10 moves downwards to the lower female die 12, the bottom end of the elastic cushion block 8 can be contacted with the top of the lower die holder 13, the upper die holder 3 continues to press downwards, the punch 10 in the blocked chute 11 can not move upwards in the chute 11 and can press downwards along with the upper die holder 3, the punch 10 in the unblocked chute 11 moves upwards along the chute 11 in the pressing process, and the punching operation is not performed on the plate, therefore, punching at a specific position of the cable bridge plate with the specification is realized, and waste materials punched by punching directly fall into the waste material collection box 16 through the blanking through groove 20 for recycling. In-process that punches a hole is pushed down to upper die base 3, reset spring 15 continues to receive the compression, and elastic cushion 8 also receives compressive deformation simultaneously, carries on spacingly to upper die base 3 to produce elasticity reaction force, punch a hole the completion back, pneumatic cylinder 1 drives upper die base 3 and shifts up, under reset spring 15's elasticity and elastic cushion 8's elasticity reaction force, can realize the quickly separating of upper die base 3 and die holder 13, improve punching efficiency.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. A punching die for producing a cable bridge comprises an upper die base and a lower die base, and is characterized in that two guide sleeves are symmetrically arranged at two corners of one end of the bottom of the upper die base, an upper male die is detachably connected to the other end of the bottom of the upper die base, a plurality of vertically arranged sliding grooves are distributed at intervals at the bottom of the upper male die, punches are arranged in the sliding grooves in a sliding manner, the bottom ends of the punches extend out of the sliding grooves to be below the upper male die, the upper parts of the sliding grooves are communicated with the outer side wall of the adjacent upper male die through clamping grooves perpendicular to the sliding grooves, stop blocks are horizontally arranged in the clamping grooves in a sliding manner, air cylinders are horizontally arranged at positions, corresponding to the clamping grooves, of the bottom of the upper die base, piston rods of the air cylinders extend into the clamping grooves and are fixedly connected with the stop blocks, elastic cushion blocks are vertically arranged, the lower die base is arranged below the upper die base, guide columns are arranged at positions, corresponding to the two guide sleeves, of the top of the lower die base, reset springs are arranged on the guide columns, a lower female die is detachably connected to a position, corresponding to the upper male die, of the top of the lower die base, stamping through holes are formed in positions, corresponding to punches, of the lower female die, blanking through grooves are formed in the lower die base corresponding to the punching through hole area, and waste collecting boxes are arranged below the blanking through grooves.

2. The punching die for producing the cable tray as claimed in claim 1, wherein a hydraulic cylinder is vertically arranged above the upper die base, and a piston rod of the hydraulic cylinder faces downwards and is fixedly connected with the top of the upper die base.

3. The punching die for producing the cable tray as claimed in claim 1, wherein an inner diameter of the guide sleeve is adapted to a diameter of the guide post.

4. The punching die for producing the cable tray as claimed in claim 1, wherein the top end of the punch is provided with a clamping portion having a cross-sectional area larger than that of the punch.

5. The punching die for producing the cable tray as claimed in claim 4, wherein a step surface adapted to the clamping portion is provided at a lower portion of the sliding groove.

6. The punching die for producing the cable tray as claimed in claim 1, wherein the difference between the length of the elastic cushion block and the distance from the bottom end of the punch to the bottom of the upper die base is equal to the height of the lower female die.

7. The punching die for producing the cable bridge according to claim 1, wherein the top of the upper male die is detachably connected with the upper die base through a plurality of connecting bolts, and the front end and the rear end of the lower female die are detachably connected with the lower die base through countersunk head bolts.

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