CN213469158U

CN213469158U - Bending die

Info

Publication number: CN213469158U
Application number: CN202022111351.3U
Authority: CN
Inventors: 杨成进; 陈从新; 单永梁
Original assignee: Ningbo Andatong Vehicle Fitting Co ltd
Current assignee: Ningbo Andatong Vehicle Fitting Co ltd
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-06-18
Anticipated expiration: 2030-09-19

Abstract

The utility model discloses a bending die, which relates to the technical field of machining, wherein a first pressure head comprises a first pressure head body and a plurality of positioning columns arranged on the lower surface of the first pressure head body, the first pressure head body is detachably arranged on the lower surface of an upper template, a second pressure head comprises a second pressure head body and a positioning block arranged on the lower surface of the second pressure head body, and the second pressure head body is detachably arranged on the lower surface of the upper template; the bottom supporting assembly and the driving assembly are arranged on the lower template, the two moving seats are arranged on the bottom supporting assembly in a sliding mode, the driving assembly is used for driving the two moving seats to move in opposite directions or move away from each other, the push plate is arranged between the two moving seats, and a plurality of positioning grooves matched with the positioning column structures are formed in the upper surface of the push plate; a positioning assembly is arranged on one movable seat and can move along the horizontal direction relative to the movable seat. The device can be adjusted according to different punching press needs in a flexible way, and application scope is wide, improves work efficiency.

Description

Bending die

Technical Field

The utility model relates to a machining technical field especially relates to a mould of bending.

Background

The bending die is used for forming and processing a plate by a bending machine and comprises various parts, and different dies comprise different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. And a tool for forming the blank into a product with a specific shape and size under the pressure of the bending machine. But the structure of bed die is generally fixed in the mould of bending now, can not process out the work piece of different width and different angle of bending according to actual demand, can not carry out nimble regulation according to the punching press needs of difference promptly, and the mould of bending now has not the setting element simultaneously, when treating the machined part and placing, can't make fast treat that the machined part is arranged in under the pressure head, leads to work efficiency low.

SUMMERY OF THE UTILITY MODEL

For solving above technical problem, the utility model provides a mould of bending can carry out nimble regulation according to the punching press needs of difference, and application scope is wide, improves work efficiency.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a bending die, which comprises an upper die plate, a lower die plate, a first pressure head, a second pressure head, a bottom supporting component, a driving component, a push plate, a pushing component and two moving seats, wherein the first pressure head comprises a first pressure head body and a plurality of positioning columns arranged on the lower surface of the first pressure head body, the first pressure head body is detachably arranged on the lower surface of the upper die plate, the second pressure head comprises a second pressure head body and a positioning block arranged on the lower surface of the second pressure head body, the cross section of the positioning block is triangular, and the second pressure head body is detachably arranged on the lower surface of the upper die plate; the bottom supporting assembly and the driving assembly are arranged on the lower template, the two moving seats are symmetrically arranged, the two moving seats are slidably mounted on the bottom supporting assembly, the driving assembly is arranged at the bottoms of the two moving seats and is used for driving the two moving seats to move in opposite directions or in opposite directions, the push plate is arranged between the two moving seats, the lower end of the push plate is connected with the pushing assembly, the pushing assembly penetrates through the lower template to extend to the outside, and a plurality of positioning grooves matched with the positioning column structures are formed in the upper surface of the push plate; one is provided with locating component on removing the seat, locating component can for remove the seat along the horizontal direction motion, locating component's direction of motion is the same with remove the seat's direction of motion.

Preferably, the guide assembly comprises guide columns and guide cylinders, the two guide columns are symmetrically fixed on the upper surface of the lower template, the two guide cylinders are symmetrically fixed on the lower surface of the upper template, and one guide column corresponds to one guide cylinder in position and is matched with the other guide cylinder in structure.

Preferably, the bottom support assembly comprises two slide rails, the two slide rails are fixed on the lower template in parallel, two slide blocks are respectively arranged on the front side and the rear side of the lower surface of each moving seat, and one slide block is slidably mounted in one slide rail.

Preferably, the driving assembly comprises a bidirectional screw, a left screw nut seat, a right screw nut seat, a motor and two screw supports, the bidirectional screw rod is arranged between the two slide rails, the bidirectional screw rod is arranged in parallel with the slide rails, the two screw rod brackets are respectively fixed at the two ends of the lower template, two ends of the bidirectional screw rod are respectively and rotatably arranged in the two screw rod brackets, one end of the bidirectional screw rod is connected with the motor, the motor is fixed on the lower template, the left screw nut and the right screw nut are respectively sleeved at two ends of the bidirectional screw, the left screw nut seat is fixedly sleeved on the outer side of the left screw nut, the right screw nut seat is fixedly sleeved on the outer side of the right screw nut, and the two moving seats are respectively fixed on the left screw nut seat and the right screw nut seat.

Preferably, the pushing assembly comprises two push rods, one push rod is arranged between each slide rail and the bidirectional screw rod, the upper end of each push rod is fixedly connected with the push plate, and the lower end of each push rod penetrates through the lower template to extend to the outside.

Preferably, the number of the positioning assemblies is two, the front side and the rear side of the upper portion of the moving seat are respectively provided with a sliding groove, the length extending direction of the sliding grooves is parallel to the extending direction of the sliding rail, one positioning assembly is installed in each sliding groove, each positioning assembly comprises a positioning pin, a gear, a rack, a connecting shaft and a knob, the rack is arranged in the sliding groove, the gear is meshed with the rack, the middle of the gear is fixedly provided with the connecting shaft, the connecting shaft penetrates through the side wall of the moving seat to extend to the outside and is connected with the knob, and the positioning pin is detachably installed on one side, far away from the knob, of the rack.

Preferably, one side of the rack, which is far away from the knob, is provided with a connecting plate, and the connecting plate is provided with a groove matched with the positioning pin structure.

Preferably, two sides of the upper portion of the first pressure head body are respectively provided with a first side plate, and the two first side plates are detachably mounted on the lower surface of the upper die plate.

Preferably, two sides of the upper portion of the second pressure head body are respectively provided with a second side plate, and the two second side plates are detachably mounted on the lower surface of the upper die plate.

The utility model discloses for prior art gain following technological effect:

the utility model provides a mould of bending, first pressure head include first pressure head body and a plurality of the reference column that sets up in first pressure head body lower surface, and the push pedal lower extreme is connected with the promotion subassembly, and the promotion subassembly passes the lower bolster and extends the outside, and the push pedal upper surface is provided with a plurality ofly and reference column structure assorted constant head tank, and first pressure head, push pedal and removal seat cooperate and can process out the bottom and take porose U template. The second pressure head comprises a second pressure head body and a positioning block arranged on the lower surface of the second pressure head body, the cross section of the positioning block is triangular, and the second pressure head is matched with the movable seat to process a V-shaped plate. It can be seen that, the utility model discloses in can select to use first pressure head or second pressure head according to the actual demand, process out the work piece of different grade type for the mould application scope of bending is wider. The driving assembly is used for driving the two moving seats to move in opposite directions or move away from each other, the distance between the two moving seats is adjustable, so that U-shaped plates with different sizes and V-shaped plates with different bending angles can be processed, and flexible adjustment can be performed according to different stamping requirements. Through setting up locating component and adjusting it for be convenient for treat the machined part centering, and then improve work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the bending die provided by the present invention when a first pressing head is installed;

fig. 2 is a schematic view of an installation of a driving assembly in the bending die provided by the present invention;

fig. 3 is an installation schematic view of a positioning assembly in the bending die provided by the present invention;

fig. 4 is a schematic structural view of a positioning assembly in the bending die provided by the present invention;

fig. 5 is a schematic structural view of a workpiece to be machined according to the present invention, which is suitable for the first ram;

fig. 6 is the structural schematic diagram of the bending die for installing the second pressure head.

Description of reference numerals: 1. mounting a template; 2. a first ram body; 3. a positioning column; 4. a first side plate; 5. a guide cylinder; 6. a lower template; 7. a guide post; 8. a movable seat; 9. a workpiece to be processed; 10. positioning pins; 11. a knob; 12. pushing the plate; 13. a push rod; 14. a slide rail; 15. a slider; 16. a bidirectional lead screw; 17. a lead screw bracket; 18. a motor; 19. a coupling; 20. an arc-shaped lead-in part; 21. a left lead screw nut seat; 22. a right lead screw nut seat; 23. a chute; 24. a rack; 25. a gear; 26. a connecting shaft; 27. a connecting plate; 28. positioning holes; 29. a second ram body; 30. positioning blocks; 31. a second side plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model aims at providing a mould of bending can carry out nimble regulation according to the punching press needs of difference, and application scope is wide, improves work efficiency.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, this embodiment provides a mould of bending, including cope match-plate pattern 1, lower bolster 6, first pressure head, second pressure head, bottom sprag subassembly, drive assembly, push pedal 12, pushing assemblies and two removal seats 8, first pressure head includes first pressure head body 2 and a plurality of reference column 3 that set up in first pressure head body 2 lower surface, and first pressure head body 2 detachably installs in 1 lower surface of cope match-plate pattern. As shown in fig. 6, the second ram includes a second ram body 29 and a positioning block 30 disposed on a lower surface of the second ram body 29, a cross section of the positioning block 30 is triangular, and the second ram body 29 is detachably mounted on a lower surface of the upper die plate 1. The bottom supporting assembly and the driving assembly are arranged on the lower template 6, the two moving seats 8 are symmetrically arranged, the two moving seats 8 are slidably mounted on the bottom supporting assembly, the driving assembly is arranged at the bottoms of the two moving seats 8 and is used for driving the two moving seats 8 to move in opposite directions or in opposite directions, the push plate 12 is arranged between the two moving seats 8, the lower end of the push plate 12 is connected with the pushing assembly, the pushing assembly penetrates through the lower template 6 to extend to the outside, and the upper surface of the push plate 12 is provided with a plurality of positioning grooves matched with the positioning columns 3 in structure; one of the movable bases 8 is provided with a positioning assembly which can move in the horizontal direction relative to the movable base 8, and the moving direction of the positioning assembly is the same as that of the movable base 8.

When the device is used for processing a to-be-processed part 9 provided with a positioning hole 28 as shown in fig. 5, namely, the to-be-processed part 9 is provided with a plurality of positioning holes 28 structurally matched with the positioning columns 3, the first pressure head, the push plate 12 and the moving seat 8 are matched to process a U-shaped plate with a hole at the bottom, the pushing assembly is connected with a hydraulic cylinder or an air cylinder, and the position of the push plate 12 in the vertical direction is adjusted according to actual requirements. Specifically, when the first pressing head presses down, the positioning columns 3 penetrate through the positioning holes 28 and extend into the positioning grooves in the pushing plate 12, so that a U-shaped plate with a hole at the bottom is pressed, after the processing is finished, the hydraulic cylinder or the air cylinder drives the pushing assembly and the pushing plate to move upwards, and the processed U-shaped plate is pushed to the upper part, so that the U-shaped plate can be taken out conveniently.

In this embodiment, three positioning columns 3 are provided, and the three positioning columns 3 are arranged in a collinear manner, and the straight lines of the three positioning columns 3 are perpendicular to the sliding rail 14. The positioning column 3 comprises a cylindrical section and an inverted conical section which are sequentially connected from top to bottom.

When the V-shaped plate is used for machining the flat-plate-shaped imperforate workpiece to be machined 9 and only needs to be bent, a second pressure head is adopted, the cross section of a positioning block 30 in the second pressure head is triangular, and the second pressure head is matched with the movable seat 8 to machine the V-shaped plate.

It can be seen that, can select to use first pressure head or second pressure head according to actual demand in this embodiment, process out the work piece of different grade type for the mould application scope of bending is wider. The drive assembly is used for driving the two movable seats 8 to move in opposite directions or move away from each other, the distance between the two movable seats 8 is adjustable, so that U-shaped plates with different sizes and V-shaped plates with different bending angles can be processed, and flexible adjustment can be performed according to different stamping requirements. Through setting up locating component and adjusting it for be convenient for treat machined part 9 and carry out the centering, and then improve work efficiency.

The upper die plate 1 and the first pressure head or the second pressure head form an upper die, the lower die plate 6 and the two moving seats 8 form a lower die, in order to enable the upper die and the lower die to be convenient for aligning, the lower die further comprises two guide assemblies in the embodiment, each guide assembly comprises a guide column 7 and a guide cylinder 5, the two guide columns 7 are symmetrically fixed on the upper surface of the lower die plate 6, the two guide cylinders 5 are symmetrically fixed on the lower surface of the upper die plate 1, and one guide column 7 corresponds to one guide cylinder 5 in position and is matched with the structure.

Specifically, the bottom support assembly comprises two slide rails 14, the two slide rails 14 are fixed on the lower template 6 in parallel, the front side and the rear side of the lower surface of each movable seat 8 are respectively provided with a slide block 15, one slide block 15 is slidably mounted in one slide rail 14, and the two slide rails 14 have supporting and guiding effects on the movable seat 8. In this embodiment, the slider 15 is an inverted U-shaped slider.

As shown in fig. 2, the driving assembly includes a bidirectional screw 16, a left screw nut seat 21, a right screw nut seat 22, a motor 18 and two screw supports 17, the bidirectional screw 16 is disposed between the two slide rails 14, the bidirectional screw 16 is parallel to the slide rails 14, the two screw supports 17 are respectively fixed to two ends of the lower template 6, two ends of the bidirectional screw 16 are respectively rotatably mounted in the two screw supports 17, one end of the bidirectional screw 16 is connected to the motor 18, the motor 18 is fixed to the lower template 6, and specifically, an output shaft of the motor 18 is connected to the bidirectional screw 16 through a coupling 19. The left screw nut and the right screw nut are respectively sleeved at two ends of the bidirectional screw 16, the left screw nut is fixedly sleeved on the left screw nut base 21, the right screw nut is fixedly sleeved on the right screw nut base 22, and the two moving bases 8 are respectively fixed on the left screw nut base 21 and the right screw nut base 22. When the distance between the two movable seats 8 needs to be adjusted, the motor 18 drives the bidirectional screw 16 to rotate, so that the left screw nut and the right screw nut move in the opposite direction or in the opposite direction, and further the left screw nut seat 21, the movable seat 8 above the left screw nut seat, the right screw nut and the movable seat 8 above the right screw nut seat are driven to move in the opposite direction or in the opposite direction. After moving the distance change between the seat 8, when adopting first pressure head, can realize processing out the U template of different width, when adopting the second pressure head, when pushing down the same distance, can realize processing out the V template of different angle of bending.

Specifically, the pushing assembly comprises two push rods 13, one push rod 13 is arranged between each sliding rail 14 and the bidirectional screw 16, the upper end of each push rod 13 is fixedly connected with the push plate 12, the lower end of each push rod 13 penetrates through the lower template 6 to extend to the outside, and the lower end of each push rod 13 is used for being connected with a hydraulic cylinder or an air cylinder.

As shown in fig. 3, two positioning assemblies are provided, a sliding groove 23 is respectively provided on the front side and the rear side of the upper portion of the movable seat 8, the length extending direction of the sliding groove 23 is parallel to the extending direction of the sliding rail 14, and one positioning assembly is installed in each sliding groove 23. As shown in fig. 4, the positioning assembly includes a positioning pin 10, a gear 25, a rack 24, a connecting shaft 26 and a knob 11, the rack 24 is disposed in the sliding groove 23, the gear 25 is engaged with the rack 24, the connecting shaft 26 is fixed in the middle of the gear 25, the connecting shaft 26 passes through the side wall of the movable base 8 to extend to the outside and is connected with the knob 11, and the positioning pin 10 is detachably mounted on one side of the rack 24 away from the knob 11. When the position of the positioning pin 10 needs to be adjusted, the knob 11 is rotated to further drive the connecting shaft 26 and the gear 25 to rotate, and at the moment, the rack 24 meshed with the gear 25 slides left and right in the sliding groove 23, so that the positioning pin 10 arranged on the rack 24 is driven to move left and right. In order to facilitate the centering of the workpiece 9 to be machined, namely, the center of the workpiece 9 to be machined is conveniently aligned with the positioning column 3 or the positioning block 30, the position required by the positioning pin 10 is judged according to the size of the workpiece, then the two positioning pins 10 are adjusted accordingly, after the adjustment is completed, the workpiece 9 to be machined is placed on the two moving seats 8, one side of the workpiece 9 to be machined is in contact with the two positioning pins 10, the rapid centering can be achieved, and the working efficiency is further improved.

Specifically, a connecting plate 27 is arranged on one side of the rack 24 away from the knob 11, and a groove matched with the structure of the positioning pin 10 is arranged on the connecting plate 27. Because the locating pin 10 needs to be replaced after being worn, the locating pin 10 is convenient to replace by adopting a detachable connection mode of clamping connection.

Specifically, two sides of the upper portion of the first indenter body 2 are respectively provided with a first side plate 4, and the two first side plates 4 are detachably mounted on the lower surface of the upper template 1. In this embodiment, the first side plate 4 is fixed to the lower surface of the upper mold plate 1 by screws.

Specifically, two sides of the upper portion of the second ram body 29 are respectively provided with a second side plate 31, and the two second side plates 31 are detachably mounted on the lower surface of the upper die plate 1. In this embodiment, the second side plate 31 is fixed to the lower surface of the upper plate 1 by screws.

Specifically, the upper part of the inner side of the movable seat 8 is provided with an arc-shaped guide-in part 20 which guides two sides of the workpiece and avoids the lower surfaces of the two sides of the workpiece from generating indentations.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A bending die is characterized by comprising an upper die plate, a lower die plate, a first pressure head, a second pressure head, a bottom supporting assembly, a driving assembly, a push plate, a pushing assembly and two moving seats, wherein the first pressure head comprises a first pressure head body and a plurality of positioning columns arranged on the lower surface of the first pressure head body, the first pressure head body is detachably mounted on the lower surface of the upper die plate, the second pressure head comprises a second pressure head body and positioning blocks arranged on the lower surface of the second pressure head body, the cross section of each positioning block is triangular, and the second pressure head body is detachably mounted on the lower surface of the upper die plate; the bottom supporting assembly and the driving assembly are arranged on the lower template, the two moving seats are symmetrically arranged, the two moving seats are slidably mounted on the bottom supporting assembly, the driving assembly is arranged at the bottoms of the two moving seats and is used for driving the two moving seats to move in opposite directions or in opposite directions, the push plate is arranged between the two moving seats, the lower end of the push plate is connected with the pushing assembly, the pushing assembly penetrates through the lower template to extend to the outside, and a plurality of positioning grooves matched with the positioning column structures are formed in the upper surface of the push plate; one is provided with locating component on removing the seat, locating component can for remove the seat along the horizontal direction motion, locating component's direction of motion is the same with remove the seat's direction of motion.

2. The bending die of claim 1, further comprising two guide assemblies, wherein each guide assembly comprises a guide post and a guide cylinder, the two guide posts are symmetrically fixed on the upper surface of the lower template, the two guide cylinders are symmetrically fixed on the lower surface of the upper template, and one guide post corresponds to one guide cylinder in position and is matched in structure.

3. The bending die of claim 1, wherein the bottom support assembly comprises two slide rails, the two slide rails are fixed on the lower die plate in parallel, two slide blocks are respectively arranged on the front side and the rear side of the lower surface of each movable seat, and one slide block is slidably mounted in one slide rail.

4. The bending die according to claim 3, wherein the driving assembly comprises a bidirectional screw, a left screw nut seat, a right screw nut seat, a motor and two screw supports, the bidirectional screw is disposed between the two slide rails, the bidirectional screw is disposed in parallel with the slide rails, the two screw supports are respectively fixed to two ends of the lower template, two ends of the bidirectional screw are respectively rotatably mounted in the two screw supports, one end of the bidirectional screw is connected to the motor, the motor is fixed to the lower template, the left screw nut and the right screw nut are respectively sleeved at two ends of the bidirectional screw, the left screw nut seat is fixedly sleeved outside the left screw nut, the right screw nut seat is fixedly sleeved outside the right screw nut, the two moving seats are respectively fixed on the left screw nut seat and the right screw nut seat.

5. The bending die of claim 4, wherein the pushing assembly comprises two pushing rods, one pushing rod is arranged between each sliding rail and the bidirectional screw rod, the upper end of each pushing rod is fixedly connected with the pushing plate, and the lower end of each pushing rod penetrates through the lower die plate to extend to the outside.

6. The bending die according to claim 3, wherein the number of the positioning assemblies is two, two sliding grooves are respectively formed in the front side and the rear side of the upper portion of the moving seat, the length extending direction of each sliding groove is parallel to the extending direction of the corresponding sliding rail, one positioning assembly is installed in each sliding groove, each positioning assembly comprises a positioning pin, a gear, a rack, a connecting shaft and a knob, the rack is arranged in the corresponding sliding groove, the gear is meshed with the rack, the connecting shaft is fixed in the middle of the gear, penetrates through the side wall of the moving seat and extends to the outside and is connected with the knob, and the positioning pin is detachably installed on one side, away from the knob, of the rack.

7. The bending die of claim 6, wherein a connecting plate is arranged on one side of the rack away from the knob, and a groove matched with the positioning pin structure is arranged on the connecting plate.

8. The bending die of claim 1, wherein two sides of the upper portion of the first ram body are respectively provided with a first side plate, and the two first side plates are detachably mounted on the lower surface of the upper die plate.

9. The bending die of claim 1, wherein two sides of the upper portion of the second ram body are respectively provided with a second side plate, and the two second side plates are detachably mounted on the lower surface of the upper die plate.