CN216937937U

CN216937937U - Hardware mould punching device

Info

Publication number: CN216937937U
Application number: CN202122423136.1U
Authority: CN
Inventors: 邱必才
Original assignee: Huizhou Boluo Cairun Industrial Co ltd
Current assignee: Huizhou Boluo Cairun Industrial Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-07-12
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to the field of punching devices, in particular to a hardware die punching device. The telescopic device comprises a bottom plate, wherein four corners of the upper end of the bottom plate are fixed with vertical telescopic cylinders, telescopic rods of the telescopic cylinders are fixedly connected with a top plate, the lower end of the top plate is fixedly provided with a vertical punching drill, a through hole concentric with the punching drill is formed in the bottom plate, and extrusion positioning devices are arranged on the bottom plates of the left side and the right side of the through hole. The hardware punching device is simple in structure and convenient to operate, the hardware can be comprehensively and effectively positioned through the pressing plate, the connecting rod and the pushing plate, punching precision can be guaranteed, and the pushing block can jack up the hardware after the hardware is punched, so that a gap is formed between the hardware and the bottom plate, and the punched hardware can be conveniently taken down.

Description

Hardware mould punching device

Technical Field

The utility model relates to the field of punching devices, in particular to a hardware die punching device.

Background

The punching is a mechanical device which is used for finishing punching by installing raw materials and enabling a punching die to act on the materials under the driving of a power mechanism after the raw materials are installed. The existing hardware punching equipment cannot effectively position the hardware when punching, so that the punching precision is low, the efficiency is low, burrs generated on the punched hardware are easily clamped in through holes in a bottom plate, and the hardware is inconvenient to take out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a hardware die punching device which can comprehensively and effectively position hardware, improve punching precision and conveniently take down the hardware after punching.

In order to achieve the purpose, the utility model provides the technical scheme that:

the utility model provides a hardware mould punching device, includes the bottom plate, bottom plate upper end four corners all fixed with vertical telescoping cylinder, the telescopic link of telescoping cylinder passes through roof fixed connection, and the roof lower extreme is fixed with vertical brill that punches a hole, has seted up on the bottom plate and has bored concentric through-hole with punching a hole, all is provided with extrusion positioner on the bottom plate of the through-hole left and right sides.

The extrusion positioning device comprises an inner fixing plate fixed at the upper end of the bottom plate, an outer fixing plate is fixed on the bottom plate at the outer side of the inner fixing plate, a pressing plate is arranged on the inner fixing plate in a sliding manner and penetrates through the inner fixing plate, a wedge plate is arranged on the outer fixing plate in a sliding manner, one end, far away from a through hole, of the pressing plate is in sliding contact with a guide inclined plane of the wedge plate, the rear end of the guide inclined plane of the wedge plate inclines towards the center direction of the bottom plate, the outer fixing plate is elastically connected with the pressing plate, the rear ends of the wedge plates of the two extrusion positioning devices are fixedly connected through a push rod, a front positioning device and a rear positioning device are arranged on the push rod, two air cylinders are fixed at the upper end of the bottom plate at the rear side of the push rod, telescopic rods of the air cylinders are fixedly connected with the push rod, square holes are all formed in the bottom plate below the pressing plate, push blocks are all arranged in the square holes in a sliding manner, the longitudinal section of the push block is in a right trapezoid shape, the lower edges of the opposite end parts of the two press plates are in contact with the inclined plane of the push block, and the lower end of the push block is connected with the hole bottom of the square hole through a lower spring.

Specifically, the front ends of the inner fixing plates of the two extrusion positioning devices are fixedly connected through a transverse connecting rod, and the front end of the pressing plate is in sliding contact with the connecting rod.

Specifically, a first fixing rod is fixed on the outer fixing plate, a second fixing rod is fixed on the pressing plate, and the first fixing rod and the second fixing rod are connected through a tension spring.

Specifically, front and back positioner includes the vertical adjusting bolt of threaded connection at the push rod middle part, and adjusting bolt runs through the push rod, and the adjusting bolt front end rotates and is provided with the regulating plate, and the regulating plate front side is provided with the push pedal rather than parallel, and the push pedal passes through a plurality of spring coupling with the regulating plate, is provided with the polished rod in the last spring, polished rod front end and push pedal fixed connection, and the polished rod rear end runs through regulating plate and push rod, polished rod and regulating plate and push rod sliding fit.

Specifically, the peripheral side walls of the push block are in sliding contact with peripheral hole walls of the square hole, and the height of the upper end of the push block is smaller than that of the upper end of the pressing plate.

Specifically, the lower end of the pressure plate is in sliding contact with the upper end of the bottom plate.

Compared with the prior art, the utility model has the beneficial effects that:

the hardware punching device is simple in structure and convenient to operate, the hardware can be comprehensively and effectively positioned through the pressing plate, the connecting rod and the pushing plate, punching precision can be guaranteed, and the pushing block can jack up the hardware after the hardware is punched, so that a gap is formed between the hardware and the bottom plate, and the punched hardware can be conveniently taken down.

Drawings

Fig. 1 is a top view of a base plate.

Fig. 2 is a bottom view of the top plate.

Fig. 3 is a front view of a press plate and push block matching structure.

Detailed Description

As shown in fig. 1-3, a hardware mould punching device comprises a bottom plate 1, four corners of the upper end of the bottom plate 1 are fixed and vertical telescopic cylinders 2, telescopic rods of the telescopic cylinders 2 are fixedly connected with a top plate 3, vertical punching drills 4 are fixed at the lower ends of the top plate 3, through holes 5 concentric with the punching drills 4 are formed in the bottom plate 1, and extrusion positioning devices are arranged on the bottom plate 1 on the left side and the right side of each through hole 5.

The extrusion positioning device comprises an inner fixing plate 7 fixed at the upper end of the bottom plate 1, an outer fixing plate 6 is fixed on the bottom plate 1 outside the inner fixing plate 7, a pressing plate 9 is arranged on the inner fixing plate 7 in a sliding mode, the pressing plate 9 penetrates through the inner fixing plate 7, and the lower end of the pressing plate 9 is in sliding contact with the upper end of the bottom plate 1. A wedge plate 8 is arranged on the outer fixing plate 6 in a sliding manner, one end of the pressing plate 9 far away from the through hole 5 is in sliding contact with a guide inclined plane of the wedge plate 8, the rear end of the guide inclined plane of the wedge plate 8 inclines towards the center direction of the bottom plate 1, the outer fixing plate 6 is elastically connected with the pressing plate 9, a first fixing rod 10 is fixed on the outer fixing plate 6, a second fixing rod 11 is fixed on the pressing plate 9, the first fixing rod 10 is connected with the second fixing rod 11 through a tension spring 12, the rear ends of the wedge plates 8 of the two extrusion positioning devices are fixedly connected through a push rod 14, the front ends of the inner fixing plates 7 of the two extrusion positioning devices are fixedly connected through a transverse connecting rod 13, the front end of the pressing plate 9 is in sliding contact with the connecting rod 13, a front and rear positioning device is arranged on the push rod 14, two air cylinders 15 are fixed at the upper end of the bottom plate 1 at the rear side of the push rod 14, the telescopic rods of the air cylinders 15 are fixedly connected with the push rod 14, square holes 22 are arranged on the bottom plate 1 below the pressing plate 9, all slide in the square hole 22 and set up ejector pad 21, ejector pad 21's lateral wall all around and square hole 22 pore wall sliding contact all around, the height that highly is less than clamp plate 9 upper end of ejector pad 21 upper end to guarantee that clamp plate 9 can carry out effectual centre gripping to the hardware, ejector pad 21's longitudinal section is right trapezoid, and two clamp plates 9 relative tip are down along the inclined plane contact with ejector pad 21, and ejector pad 21 lower extreme is connected through lower spring 23 with square hole 22's hole bottom.

The front and rear positioning device comprises a longitudinal adjusting bolt 19 in threaded connection with the middle of the push rod 14, the adjusting bolt 19 penetrates through the push rod 14, an adjusting plate 17 is arranged at the front end of the adjusting bolt 19 in a rotating mode, a push plate 16 parallel to the adjusting plate 17 is arranged on the front side of the adjusting plate 17, the push plate 16 is connected with the adjusting plate 17 through a plurality of upper springs 20, a polish rod 18 is arranged in each upper spring 20, the front end of the polish rod 18 is fixedly connected with the push plate 16, the rear end of the polish rod 18 penetrates through the adjusting plate 17 and the push rod 16, and the polish rod 18 is in sliding fit with the adjusting plate 17 and the push rod 14.

When the utility model is used, a hardware is placed between the two pressing plates 9, the lower end of the hardware is contacted with the upper end of the push block 21 at the moment, then the two air cylinders 15 are started simultaneously, the telescopic rods of the air cylinders 15 enable the two wedge plates 8 to move towards the front side direction through the push rods 14, the two wedge plates 8 move towards the front side direction under the guiding action of the guiding inclined surfaces of the wedge plates 8, the two pressing plates 9 move relatively, the tension spring 12 is stretched, the two push blocks 21 move downwards and the lower spring 23 is compressed under the guiding action of the inclined surfaces of the push blocks 21 during the relative movement of the two pressing plates 9, when the lower end of the pressing plate 9 is contacted with the upper end of the push block 21, meanwhile, during the movement of the push rod 14 towards the front side direction, the push plate 16 is close to the connecting rod 13 and clamps the hardware, as the push rod 14 continuously moves towards the front side direction, the push plate 16 is close to the adjusting plate 17, go up spring 20 and compressed, connecting rod 13 and push pedal 16's cooperation can make the hardware fix a position in the back and forth direction, then two clamp plates 9 continue relative motion and carry out the centre gripping to the hardware, and two clamp plates 9 can make the hardware fix a position in the left and right sides orientation.

After the hardware is positioned, the telescopic cylinder 2 is started, the top plate 3 moves downwards, and the punching drill 4 on the top plate 3 is used for punching the hardware. After punching a hole, make roof 3 restore, roof 3 restores the back, the telescopic link of cylinder 15 makes wedge 8 restore through push rod 14, the in-process that wedge 8 restores, under the pulling force effect of extension spring 12, two clamp plates 9 keep away from each other, the in-process that push rod 14 restores, push pedal 16 keeps away from connecting rod 13 gradually, two clamp plates 9, connecting rod 13 and push pedal 16 lose the extrusion positioning effect to the hardware, in the reduction process of two clamp plates 9, after the tip lower edge that two clamp plates 9 are relative contacts with the inclined plane of ejector pad 21, keep away from each other along with two clamp plates 9, under the elastic force effect of lower spring 23, ejector pad 21 goes upward in square hole 22, thereby can jack up the hardware, conveniently take off the hardware that will punch and accomplish.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A punching device for hardware dies comprises a bottom plate, wherein four corners of the upper end of the bottom plate are fixedly connected with vertical telescopic cylinders, telescopic rods of the telescopic cylinders are fixedly connected through a top plate, vertical punching drills are fixedly arranged at the lower ends of the top plate, through holes concentric with the punching drills are formed in the bottom plate, and the punching device is characterized in that extrusion positioning devices are arranged on the bottom plate on the left side and the right side of each through hole,

2. The hardware die punching device according to claim 1, wherein the front ends of the inner fixing plates of the two extrusion positioning devices are fixedly connected through a transverse connecting rod, and the front end of the pressing plate is in sliding contact with the connecting rod.

3. The hardware die punching device according to claim 1, wherein a first fixing rod is fixed on the outer fixing plate, a second fixing rod is fixed on the pressing plate, and the first fixing rod and the second fixing rod are connected through a tension spring.

4. The hardware die punching device according to claim 1, wherein the front and rear positioning devices comprise longitudinal adjusting bolts in threaded connection with the middle of the push rod, the adjusting bolts penetrate through the push rod, an adjusting plate is arranged at the front end of each adjusting bolt in a rotating mode, a push plate parallel to the adjusting plate is arranged on the front side of the adjusting plate, the push plates are connected with the adjusting plate through a plurality of upper springs, a polish rod is arranged in each upper spring, the front end of the polish rod is fixedly connected with the push plates, the rear end of the polish rod penetrates through the adjusting plate and the push rod, and the polish rod is in sliding fit with the adjusting plate and the push rod.

5. The hardware die punching device according to claim 1, wherein the peripheral side wall of the push block is in sliding contact with the peripheral hole wall of the square hole, and the height of the upper end of the push block is smaller than that of the upper end of the pressing plate.

6. The hardware die punching apparatus of claim 1, wherein the lower end of the pressure plate is in sliding contact with the upper end of the base plate.