CN210676567U

CN210676567U - Automatic punching die

Info

Publication number: CN210676567U
Application number: CN201921407812.2U
Authority: CN
Inventors: 叶全坤; 叶挺; 唐丽; 达代皇; 邱双义
Original assignee: Dongguan Ruijia Precision Machinery Manufacturing Co ltd
Current assignee: Dongguan Ruijia Precision Machinery Manufacturing Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-06-05
Anticipated expiration: 2029-08-27

Abstract

The utility model relates to the technical field of stamping dies, in particular to an automatic punching die, which comprises an upper die assembly, a lower die assembly, a plurality of fixed punches fixedly connected with the upper die assembly and a plurality of movable punch assemblies slidably connected with the upper die assembly, each movable punch assembly comprises a driving piece, a sliding piece, a punch fixing seat, a telescopic punch and a resetting piece, the driving piece is fixedly connected with the upper die assembly, the sliding piece is slidably connected with the upper die assembly, the telescopic punch is fixedly connected with the punch fixing seat and extends towards the direction of the lower die assembly, the punch fixing seat and the upper die assembly are arranged in a sliding manner, the driving piece drives the sliding piece to enable the sliding piece to push the punch fixing seat to move towards the direction of the lower die assembly; the automatic punching die is provided with the movable punch assembly, so that controllability of punching on the metal plate is realized, the number of dies is reduced, the production cost is reduced, multiple times of positioning is reduced due to the use of one die, and the production and machining precision is improved.

Description

Automatic punching die

Technical Field

The utility model relates to a stamping die technical field especially relates to an automatic punching die.

Background

The stamping die is widely used in the production of sheet metal parts, for example, when the sheet metal part with more holes in fig. 6 is processed, a production mode of increasing the number of dies and the number of processes is generally adopted, but the production mode of a plurality of dies has the following problems:

the number of the moulds is large, more production fields are occupied, and the production cost of products is improved;

secondly, the metal plate parts are positioned and then punched under each set of die, and the accuracy of workpiece processing is influenced by the repeated positioning.

Therefore, the traditional production mode does not meet the production requirement and needs to be solved.

Disclosure of Invention

In order to overcome the shortcoming that manufacturing cost is high, the accuracy is low that exists among the prior art, the utility model aims to provide an automatic punching die, reduction in production cost improves production machining precision.

In order to achieve the above purpose, the technical scheme of the utility model is that:

an automatic punching die comprises an upper die assembly, a lower die assembly, a plurality of fixed punches and a plurality of movable punch assemblies, wherein the fixed punches are fixedly connected with the upper die assembly;

every move the drift subassembly and all include driving piece, slider, drift fixing base, flexible drift and reset the piece, driving piece fixed connection is in last mould subassembly, slider sliding connection is in last mould subassembly, flexible drift fixed connection extends in drift fixing base and the direction of lower mould subassembly, and drift fixing base slides with last mould subassembly and sets up, driving piece drive slider makes the slider promotes the direction motion of drift fixing base towards lower mould subassembly, the piece that resets is located last mould subassembly and is used for the drive the drift fixing base resets.

Furthermore, the automatic punching die also comprises a plurality of sensors, the sensors are arranged on the lower die assembly and positioned at the discharge end of the lower die assembly, and a connecting line between one movable punch assembly and one sensor is parallel to the conveying direction.

Further, go up the mould assembly and include cope match-plate pattern, backing plate, intermediate lamella and the deflector that top-down connected gradually, the backing plate is equipped with the spout, the slider slides in the spout, the backing plate is equipped with first through-hole, first through-hole with the spout intercommunication, the intermediate lamella is equipped with the recess, first through-hole with the recess forms the holding chamber, the holding chamber is located in the slip of drift fixing base holding, reset the piece locate the holding chamber and with the cooperation of drift fixing base, the intermediate lamella is equipped with the second through-hole, the deflector is equipped with the third through-hole, the second through-hole with the third through-hole intercommunication, flexible drift passes second through-hole and third through-hole in proper order.

Further, still including cutting the sword and cutting the driving piece, cut the sword and include cutter and lower cutter, cut the driving piece and locate last mould subassembly, lower mould subassembly is located to the cutter down, cut the driving piece drive and go up the cutter and be close to or keep away from cutter down.

The utility model has the advantages that: the automatic punching die is provided with the movable punch assembly, so that controllability of punching on the metal plate is realized, the number of dies is reduced, the purpose of reducing production cost is achieved, multiple positioning is reduced due to the use of one die, and the production and machining precision is improved.

Drawings

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

fig. 2 shows the left view angle movable punch assembly of the present invention in a non-punched state;

fig. 3 shows the left view angle movable punch assembly punching state of the present invention;

FIG. 4 is a top view of the upper die assembly of the present invention;

FIG. 5 is a top view of the lower die assembly of the present invention;

fig. 6 is a schematic structural view of the processed plate of the present invention.

The reference numerals include:

1-upper die assembly 11-upper die plate 12-backing plate

121-chute 122-first through hole 13-intermediate plate

131-groove 132-second through hole 14-guide plate

141 third through hole 2-lower die component 3-fixed punch

4-moving punch assembly 41-driving member 42-sliding member

43-punch fixing seat 44-telescopic punch 45-reset part

5-sensor 6-cutting knife 61-upper cutter

62-lower cutter 7-cutting driving piece 100-plate piece.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 6, an automatic punching die of the present invention includes an upper die assembly 1, a lower die assembly 2, a plurality of fixed punches 3 and a plurality of movable punch assemblies 4, wherein the plurality of fixed punches 3 are fixedly connected to the upper die assembly 1;

each movable punch assembly 4 includes a driving part 41, a sliding part 42, a punch fixing seat 43, a telescopic punch 44 and a reset part 45, the driving part 41 is fixedly connected to the upper die assembly 1, the sliding part 42 is slidably connected to the upper die assembly 1, the telescopic punch 44 is fixedly connected to the punch fixing seat 43 and extends towards the lower die assembly 2, the punch fixing seat 43 and the upper die assembly 1 are slidably arranged, the driving part 41 drives the sliding part 42 to enable the sliding part 42 to push the punch fixing seat 43 to move towards the lower die assembly 2, and the reset part 45 is arranged on the upper die assembly 1 and used for driving the punch fixing seat 43 to reset.

Specifically, in this embodiment, the direction of the arrow, i.e. the conveying direction of the sheet metal part 100, according to actual needs, four movable punch assemblies 4 and a plurality of fixed punches 3 are installed on the upper die assembly 1, the four movable punch assemblies 4 and the plurality of fixed punches 3 are combined into a matrix with multiple rows and two columns, i.e. the upper die assembly 1 and the lower die assembly 2 are assembled once, the sheet metal part to be processed completes punching of two rows of holes, the position of the fixed punch 3 is the position of the sheet metal part to be punched, the position of the four movable punch assemblies 4 is punched according to design needs, the movable punch assemblies 4 include a driving member 41, a sliding member 42, a punch fixing seat 43, a telescopic punch 44 and a reset member 45, the driving member 41 adopts a cylinder, the reset member 45 adopts a spring, a cylinder piston rod is connected with the sliding member 42, the cylinder drives the sliding member 42 to reciprocate along the conveying direction, when the position of the sheet metal part corresponding to the movable punch assembly 4 needs to be punched, the lower air cylinder drives the sliding part 42 to move towards the center of the punching die under the instruction of the computer control system, the free end of the sliding part 42 presses the punch fixing seat 43, so that the punch fixing seat 43 drives the telescopic punch 44 to simultaneously move towards the direction of the lower die assembly 2, meanwhile, the spring is compressed, when the upper die assembly 1 and the lower die assembly 2 are combined, the telescopic punch 44 punches a hole on the sheet metal part to be processed, after the hole punching is finished, the air cylinder drives the sliding part 42 to move towards the direction far away from the center of the punching die, the lower punch fixing seat 43 and the telescopic punch 44 are reset under the elastic force of the spring, otherwise, the computer control system controls the piston rod of the air cylinder to be stationary, when the upper die assembly 1 and the lower die assembly 2 are combined, the free end of the telescopic punch 44, in the conveying process of the metal plate, a set of dies can continuously punch the metal plate.

The movable punch assembly 4 is arranged on the automatic punching die, so that controllability of punching on the metal plate is realized, the number of dies is reduced, the purpose of reducing production cost is achieved, multiple positioning is reduced due to the use of one die, and the production and machining precision is improved.

The automatic punching die further comprises a plurality of sensors 5, the sensors 5 are arranged on the lower die component 2 and located at the discharging end of the lower die component 2, a connecting line between one movable punch component 4 and one sensor 5 is parallel to the conveying direction, the number of the sensors 5 is four, one sensor 5 corresponds to one movable punch component 4, a connecting line between one movable punch component 4 and one sensor 5 is parallel to the conveying direction of the sheet metal part, the four sensors 5 are arranged at the discharging end of the lower die component 2 and used for instantly detecting the processed sheet metal part, the sensors 5 are electrically connected with a computer control system, and the position where the hole is not punched is detected if the hole is formed, the position is indicated to be unqualified, otherwise, the position is indicated to be qualified.

The upper die assembly 1 comprises an upper die plate 11, a backing plate 12, an intermediate plate 13 and a guide plate 14 which are sequentially connected from top to bottom, the backing plate 12 is provided with a sliding groove 121, the sliding part 42 slides in the sliding groove 121, the backing plate 12 is provided with a first through hole 122, the first through hole 122 is communicated with the sliding groove 121, the intermediate plate 13 is provided with a groove 131, the first through hole 122 and the groove 131 form an accommodating cavity, the punch fixing seat 43 is slidably accommodated in the accommodating cavity, the reset part 45 is arranged in the accommodating cavity and matched with the punch fixing seat 43, the intermediate plate 13 is provided with a second through hole 132, the guide plate 14 is provided with a third through hole 141, the second through hole 132 is communicated with the third through hole 141, the telescopic punch 44 sequentially penetrates through the second through hole 132 and the third through hole 141, and the sliding groove 121 ensures the stability and the smoothness of the sliding direction of the sliding part 42, the first through hole 122 and the groove 131 are arranged for accommodating the punch fixing seat 43, so that the punching die is compact in structure, the third through hole 141 has a guiding effect on the telescopic punch 44, the telescopic punch 44 is prevented from deviating in the direction in the movement process, and the production smoothness and the machining accuracy are ensured.

The automatic punching die further comprises a cutting knife 6 and a cutting driving piece 7, the cutting knife 6 comprises an upper cutting knife 61 and a lower cutting knife 62, the cutting driving piece 7 is arranged on the upper die assembly 1, the lower cutting knife 62 is arranged on the lower die assembly 2, the cutting driving piece 7 drives the upper cutting knife 61 to be close to or far away from the lower cutting knife 62, the cutting driving piece 7 is an air cylinder, the cutting driving piece 7 is controlled by a computer control system, and according to the processing requirement, when the length of the sheet metal part 100 is 1200mm, the air cylinder drives the upper cutting knife 61 to move towards the direction of the lower cutting knife 62 to cut the sheet metal part 100, so that the purposes of automatic punching and cutting are achieved.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides an automatic punching die, includes mould subassembly (1) and lower mould subassembly (2), its characterized in that: the punching die further comprises a plurality of fixed punching heads (3) and a plurality of movable punching head components (4), wherein the fixed punching heads (3) are fixedly connected to the upper die component (1);

every move drift subassembly (4) and all include driving piece (41), slider (42), drift fixing base (43), flexible drift (44) and reset piece (45), driving piece (41) fixed connection is in last mould subassembly (1), slider (42) sliding connection is in last mould subassembly (1), flexible drift (44) fixed connection is in drift fixing base (43) and the direction extension of lower mould subassembly (2), drift fixing base (43) and last mould subassembly (1) slide the setting, driving piece (41) drive slider (42) make slider (42) promote drift fixing base (43) towards the direction motion of lower mould subassembly (2), it locates last mould subassembly (1) and is used for the drive to reset piece (45) drift fixing base (43) reset.

2. The automated punching die of claim 1, wherein: the automatic punching die further comprises a plurality of sensors (5), the sensors (5) are arranged on the lower die assembly (2) and located at the discharge end of the lower die assembly (2), and a connecting line between one movable punch assembly (4) and one sensor (5) is parallel to the conveying direction.

3. The automated punching die of claim 1, wherein: the upper die component (1) comprises an upper die plate (11), a backing plate (12), an intermediate plate (13) and a guide plate (14) which are sequentially connected from top to bottom, the backing plate (12) is provided with a sliding groove (121), a sliding part (42) slides in the sliding groove (121), the backing plate (12) is provided with a first through hole (122), the first through hole (122) is communicated with the sliding groove (121), the intermediate plate (13) is provided with a groove (131), the first through hole (122) and the groove (131) form an accommodating cavity, a punch fixing seat (43) is slidably accommodated in the accommodating cavity, a resetting part (45) is arranged in the accommodating cavity and matched with the punch fixing seat (43), the intermediate plate (13) is provided with a second through hole (132), the guide plate (14) is provided with a third through hole (141), and the second through hole (132) is communicated with the third through hole (141), the telescopic punch (44) penetrates through the second through hole (132) and the third through hole (141) in sequence.

4. The automated punching die of claim 1, wherein: still including cutting sword (6) and cutting driving piece (7), cut sword (6) including last cutter (61) and lower cutter (62), it locates last mould subassembly (1) to cut driving piece (7), lower mould subassembly (2) is located in lower cutter (62), cut driving piece (7) drive and go up cutter (61) and be close to or keep away from lower cutter (62).