CN112238168A

CN112238168A - Automatic heating bending device

Info

Publication number: CN112238168A
Application number: CN202011048733.4A
Authority: CN
Inventors: 袁大飞; 刘同武; 黎静
Original assignee: Jiangsu Shiwei Semiconductor Technology Co ltd
Current assignee: Jiangsu Shiwei Semiconductor Technology Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-01-19

Abstract

The invention discloses an automatic heating and bending device, and relates to the technical field of semiconductor part manufacturing. The device comprises a rack, a control cabinet, a feeding mechanism arranged at the feeding end of the rack, a bending assembly arranged on the rack and a heater arranged between the feeding mechanism and the bending assembly. According to the automatic heating bending device disclosed by the invention, the connecting rod mechanism and the telescopic mold core for assisting in bending and forming of products are arranged on the back surface of the stamping mechanism, after the stamping mechanism finishes stamping work reset, the telescopic mold core is automatically driven by the connecting rod mechanism to extend out of a pressing workpiece, and the workpiece is bent again by matching with the movable mold, so that one-step forming of workpiece manufacturing is realized, the production efficiency is improved, and the process integration is high.

Description

Automatic heating bending device

Technical Field

The invention relates to the technical field of semiconductor part manufacturing, in particular to an automatic heating and bending device.

Background

The bending device is mainly used for stamping, bending and forming the heated workpiece, and is important equipment for producing semiconductor parts.

However, most of the existing bending equipment adopts a flame heating mode to heat the workpiece, the workpiece is cooled too fast after being heated, and the temperature is difficult to control, so that the workpiece is high in brittleness and easy to break in the bending process. On the other hand, the existing bending equipment has a single processing procedure, one set of equipment can only realize the processing of one procedure, and the procedure integration is low.

Therefore, in view of the above problems, it is necessary to provide a bending apparatus with controllable heating temperature and high process integration to meet the production requirements.

Disclosure of Invention

The automatic heating bending device comprises a rack, a control cabinet, a feeding mechanism arranged at the feeding end of the rack, a bending assembly arranged on the rack and a heater arranged between the feeding mechanism and the bending assembly.

The feeding mechanism comprises a feeding cylinder fixedly connected to the rack and a manipulator fixedly connected to the output end of the feeding cylinder, the manipulator clamps a workpiece, moves forwards under the driving of the feeding cylinder, and conveys the workpiece to the bending assembly after being heated by the heater.

The bending assembly is used for stamping and bending workpieces and comprises a jacking mechanism, a first stamping mechanism, an auxiliary stamping mechanism, a second stamping mechanism and a cutting mechanism.

The jacking mechanism is vertically and fixedly connected to the rack, and the top end of the jacking mechanism is fixedly connected with a bottom die for placing a workpiece.

First punching press mechanism sets up in climbing mechanism's vertical top, include with frame fixed connection's stamping cylinder and set up in the stamping die of stamping cylinder output, stamping die moves down under stamping cylinder's drive to with die block utensil cooperation punching press work piece.

The auxiliary stamping mechanism comprises a connecting rod mechanism and a telescopic mold core, one end of the connecting rod mechanism is fixedly connected to the back of the stamping mold, and the other end of the connecting rod mechanism is fixedly connected with the telescopic mold core; the link mechanism drives the telescopic die core to move forwards and backwards under the action of the upward and downward movement of the stamping die.

The second stamping mechanism is horizontally arranged relative to the feeding mechanism and comprises a limiting feeding cylinder fixedly connected with the rack and a movable die fixedly connected to the output end of the limiting feeding cylinder; the movable die horizontally moves under the driving of the limiting feeding cylinder and is matched with the telescopic die core to bend workpieces.

The cutting mechanism is arranged above the workpiece and comprises a cutting cylinder fixedly connected with the rack and a cutting die arranged at the output end of the cutting cylinder, and the cutting die moves downwards under the driving of the cutting cylinder to cut the workpiece.

The heater is electrically connected with the control cabinet and used for electrically heating the workpiece.

Preferably, the link mechanism comprises a first link, a second link, a third link, a fixed bracket vertically and fixedly connected to the rack, and a bearing arranged at one end of the fixed bracket far away from the rack; one end of the first connecting rod is vertically and fixedly connected to the back of the stamping die, and the other end of the first connecting rod is hinged to the second connecting rod; one end of the second connecting rod is hinged with the first connecting rod, the other end of the second connecting rod is hinged with the third connecting rod, a sliding groove is formed in the second connecting rod along the extending direction of the second connecting rod, and the bearing is arranged in the sliding groove and slides in the sliding groove under the action of the second connecting rod moving up and down; one end of the third connecting rod, which is far away from the second connecting rod, is fixedly connected with the telescopic mold core; the telescopic mold core is horizontally arranged and moves back and forth relative to the rack under the drive of the connecting rod mechanism.

Preferably, the frame is provided with a hollow slide block capable of moving up and down along the frame, and the telescopic mold core is horizontally arranged in the hollow slide block and can move back and forth in the hollow slide block.

Preferably, the jacking mechanism comprises an adjusting screw rod, an adjusting flange and a bottom die slide block, wherein the adjusting flange and the bottom die slide block are sleeved on the adjusting screw rod; the adjusting screw rod is fixedly connected with the bottom surface of the rack, the bottom die sliding block is connected to the rack in a sliding mode, one end of the bottom die sliding block is placed on the adjusting flange and moves along with the up-down movement of the adjusting flange, and the other end of the bottom die sliding block is fixedly connected with the bottom surface of the bottom die.

Preferably, the jacking mechanism further comprises a pressure spring sleeved on the adjusting screw rod, and the pressure spring is arranged between the bottom die sliding block and the adjusting flange.

Preferably, the jacking mechanism further comprises a limiting block which is matched with the bottom die to limit the upward moving position of the bottom die, and the limiting block can be detachably and fixedly connected to the rack.

Preferably, one end of the bottom die sliding block, which is connected with the bottom die, is also fixedly connected with a top block, which is matched with the cutting die to cut the workpiece, and the height of the upper surface of the top block is the same as that of the upper surface of the bottom die.

Compared with the prior art, the automatic heating bending device disclosed by the invention has the advantages that:

(1) according to the invention, the connecting rod mechanism and the telescopic mold core for assisting in bending and forming of the product are arranged on the back of the stamping mechanism, after the stamping mechanism is reset after stamping operation, the telescopic mold core is automatically driven by the connecting rod mechanism to extend out to press the workpiece, and the workpiece is bent again by matching with the movable mold, so that one-step forming of workpiece manufacturing is realized, the production efficiency is improved, and the process integration is high.

(2) The electric control heater is arranged between the feeding mechanism and the bending assembly, so that the purposes of controllable heating temperature and high product forming rate are achieved.

Drawings

For a clearer explanation of the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art 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 it is obvious for a person skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a perspective view of an automatic heating bending device disclosed by the invention.

Fig. 2 is a front view of an automatic heating bending device disclosed by the invention.

Fig. 3 is a structural view of the auxiliary punching mechanism.

The part names represented by the numbers or letters in the drawings are:

1-a frame; 2-a control cabinet; 3-a top block; 4-a heater; 5-a feeding cylinder; 6-a manipulator; 7-bottom mold; 8-telescopic mold core; 9-cutting the mould; 10-a cutting cylinder; 11-adjusting the flange; 12-adjusting the screw rod; 13-a pressure spring; 14-a limit feed cylinder; 15-a limiting block; 16-a movable mould; 17-a workpiece; 18-a stamping die; 19-a ram cylinder; 20-a first link; 21-fixing a bracket; 22-a bearing; 23-a second link; 231-a chute; 24-a third link; 25-bottom die slide block.

Detailed Description

The following provides a brief description of embodiments of the present invention with reference to the accompanying drawings. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art based on the embodiments of the present invention without any inventive work belong to the protection scope of the present invention.

Fig. 1-3 show preferred embodiments of the present invention, whose structures are separately and specifically parsed from different perspectives.

An automatic heating bending device shown in fig. 1 and 2 comprises a rack 1, a control cabinet 2, a feeding mechanism, a bending assembly and a heater 4.

The machine frame 1 is used for installing the whole device, the control cabinet 2 is used for controlling the heater 4 to be powered on and off, controlling the feeding mechanism and the air cylinder in the bending assembly to work, and moving the die to complete the punching and bending work of the workpiece 17.

The feeding mechanism is arranged at the feeding end of the frame 1 and comprises a feeding cylinder 5 fixedly connected to the frame 1 and a manipulator 6 fixedly connected to the output end of the feeding cylinder 5, the manipulator 6 clamps the workpiece 17, the workpiece 17 moves forwards under the driving of the feeding cylinder 5, and the workpiece 17 is heated by the heater 4 and then placed on the bottom die 7.

The bending assembly is arranged on the rack 1 and used for stamping and bending the workpiece 17, and comprises a jacking mechanism, a first stamping mechanism, an auxiliary stamping mechanism, a second stamping mechanism and a cutting mechanism.

The jacking mechanism is vertically and fixedly connected to the frame 1, and the top end of the jacking mechanism is fixedly connected with a bottom die 7 for placing a workpiece 17. Specifically, the jacking mechanism comprises an adjusting screw rod 12, an adjusting flange 11 sleeved on the adjusting screw rod 12, a pressure spring 13 and a bottom die slide block 25. The adjusting screw rod 12 is fixedly connected with the bottom surface of the frame 1, the bottom die slide block 25 is slidably connected on a guide rail arranged on the frame 1, and one end of the bottom die slide block, which is far away from the pressure spring, is fixedly connected with the bottom surface of the bottom die. The adjusting flange moves up and down to drive the bottom die slide block 25 to move up and down, so that the height of the bottom die 7 can be adjusted, and the die is suitable for manufacturing workpieces with different sizes and requirements on the workpieces 17. The pressure spring 13 is arranged between the bottom die slide block 25 and the adjusting flange 11, and can play a certain elastic buffering role when the stamping die 18 moves downwards to be matched with the bottom die 7 to stamp the workpiece 17, so that the service life of the equipment is prolonged.

The jacking mechanism also comprises a limiting block 15 which is detachably and fixedly connected on the frame 1 and can be adjusted up and down along with the height of the bottom die 7. The limiting block 15 is matched with steps on two sides of the bottom die 7 to limit the height of the bottom die 7 which moves upwards for resetting under the elastic action of the pressure spring 13 after the stamping die 18 completes one-time stamping resetting, so that the height of the bottom die 7 is consistent when the workpiece 17 is bent for many times. Specifically, the limiting block 15 is a rectangular parallelepiped having a width the same as that of the upper step of the bottom mold 7, and is clamped or pinned or spirally connected to the frame 1.

The first stamping mechanism is arranged above the jacking mechanism and comprises a stamping cylinder 19 fixedly connected with the rack 1 and a stamping die 18 arranged at the output end of the stamping cylinder 19, and the stamping die 18 moves downwards under the driving of the stamping cylinder 19 and is matched with the bottom die 7 to stamp a workpiece 17.

As shown in fig. 3, an auxiliary punching mechanism is further provided on the back of the punching mechanism, and the auxiliary punching mechanism includes a link mechanism and a retractable core 8. One end of the connecting rod mechanism is fixedly connected to the back of the stamping die 18, and the other end of the connecting rod mechanism is fixedly connected with the telescopic die core 8. The link mechanism drives the retractable mold core 8 to move forward and backward for the upward and downward movement of the stamping mold 18.

Specifically, the link mechanism includes a first link 20, a second link 23, a third link 24, a fixing bracket 21 vertically and fixedly connected to the frame 1, and a bearing 22 disposed at an end of the fixing bracket 21 away from the frame 1. One end of the first link 20 is vertically and fixedly connected to the back of the stamping die 18, and the other end is hinged with the second link 23. The second link 23 has one end hinged to the first link 20 and the other end hinged to the third link 24. The second link 23 is formed with a slide groove 231 along the extending direction thereof, and the bearing 22 is disposed in the slide groove 231 and slides in the slide groove 231 when the second link 23 moves up and down along with the press die 18. One end of the third connecting rod 24 far away from the second connecting rod 23 is fixedly connected with the telescopic mold core 8.

A group of vertical guide rails are arranged on the rack 1 corresponding to the telescopic mold core 8, a hollow slide block capable of sliding up and down along the rack 1 is arranged in the guide rails, and the telescopic mold core 8 is horizontally arranged in the hollow slide block in a sliding manner. When the link mechanism moves upwards and returns to the position on the stamping die 18, the second connecting rod 23 moves upwards under the driving of the first connecting rod 20 and gradually moves forwards under the action of the bearing 22, the third connecting rod 24 drives the telescopic die core 8 to move upwards and forwards under the action of the second connecting rod 23, and meanwhile, the third connecting rod 24 is driven to rotate under the action of the horizontal hollow slide block to keep the telescopic die core 8 horizontal, so that the telescopic die core 8 automatically extends out and presses the workpiece 17 when moving upwards and returning to the position on the stamping die 18. When the stamping die 18 moves downwards to stamp the workpiece 17, the telescopic die core 8 moves reversely to contract.

The second stamping mechanism is horizontally arranged relative to the feeding mechanism and comprises a limiting feeding cylinder 14 fixedly connected with the rack 1 and a movable die 16 fixedly connected to the output end of the limiting feeding cylinder 14. The movable die 16 moves horizontally under the driving of the limiting feeding cylinder 14 and is matched with the extended telescopic die core 8 to bend a workpiece 17.

The cutting mechanism is arranged above the workpiece 17 and comprises a cutting cylinder 10 fixedly connected with the frame 1 and a cutting die 9 arranged at the output end of the cutting cylinder 10, and the cutting die 9 moves downwards under the driving of the cutting cylinder 10 to cut the workpiece 17. Specifically, one end of the bottom die sliding block 25 connected with the bottom die 7 is also fixedly connected with a top block 3 which is matched with the cutting die 9 to cut the workpiece 17, and the height of the upper surface of the top block 3 is the same as that of the upper surface of the bottom die 7.

The heater 4 is arranged between the feeding mechanism and the bending assembly, is electrically connected with the control cabinet 2 and is used for electrically heating the workpiece 17.

Furthermore, moving sliding blocks are arranged between the stamping die 18, the movable die 16 and the cutting die 9 and corresponding cylinders, the moving sliding blocks are connected to a guide rail arranged on the rack 1 in a sliding mode, one end of each moving sliding block is fixedly connected with the corresponding die, and the other end of each moving sliding block is fixedly connected with the output end of the corresponding cylinder.

When bending the workpiece 17: firstly, adjusting the height of a jacking mechanism to a required height through an adjusting flange 11, and installing a bottom die 7 on the top of the jacking mechanism; then, starting the heater 4, clamping the workpiece 17 by the manipulator 6, and moving the workpiece to the position above the heater 4 to heat under the driving of the feeding cylinder 5; then, the heated workpiece 17 is conveyed to the position above the jacking mechanism under the clamping of the manipulator 6 and is placed in the bottom die 7, then, the stamping cylinder 19 drives the stamping die 18 to rapidly press down for one time and then reset, and the stamping cylinder 19 drives the link mechanism in the resetting process to drive the telescopic die core 8 to move forwards and press the workpiece 17; meanwhile, the limit feeding cylinder 14 is started to drive the movable die 16 to be matched with the telescopic die core 8, and the workpiece 17 is punched for the second time; and finally, after the punching is finished, starting a cutting mechanism, driving a cutting die 9 to fast punch downwards through a cutting cylinder 10, and cutting off the workpiece 17 by matching with the top block 3 below, so that the workpiece 17 is machined to a product.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic heating and bending device is characterized by comprising a rack (1), a control cabinet (2), a feeding mechanism arranged at the feeding end of the rack (1), a bending assembly arranged on the rack (1) and a heater (4) arranged between the feeding mechanism and the bending assembly;

the feeding mechanism comprises a feeding cylinder (5) fixedly connected to the rack (1) and a manipulator (6) fixedly connected to the output end of the feeding cylinder (5), the manipulator (6) clamps the workpiece (17), moves forward under the driving of the feeding cylinder (5), heats the workpiece (17) by a heater (4) and then conveys the workpiece to the bending assembly;

the bending assembly is used for stamping and bending a workpiece (17) and comprises a jacking mechanism, a first stamping mechanism, an auxiliary stamping mechanism, a second stamping mechanism and a cutting mechanism;

the jacking mechanism is vertically and fixedly connected to the rack (1), and the top end of the jacking mechanism is fixedly connected with a bottom die (7) for placing a workpiece (17);

the first stamping mechanism is arranged vertically above the jacking mechanism and comprises a stamping cylinder (19) fixedly connected with the rack (1) and a stamping die (18) arranged at the output end of the stamping cylinder (19), and the stamping die (18) moves downwards under the driving of the stamping cylinder (19) and is matched with the bottom die (7) to stamp a workpiece (17);

the auxiliary stamping mechanism comprises a connecting rod mechanism and a telescopic mold core (8), one end of the connecting rod mechanism is fixedly connected to the back of the stamping mold (18), and the other end of the connecting rod mechanism is fixedly connected with the telescopic mold core (8); the connecting rod mechanism drives the telescopic die core (8) to move forwards and backwards under the action of the upward and downward movement of the stamping die (18);

the second stamping mechanism is horizontally arranged relative to the feeding mechanism and comprises a limiting feeding cylinder (14) fixedly connected with the rack (1) and a movable die (16) fixedly connected to the output end of the limiting feeding cylinder (14); the movable die (16) moves horizontally under the driving of the limiting feeding cylinder (14) and is matched with the telescopic die core (8) to bend a workpiece (17);

the cutting mechanism is arranged above a workpiece (17) and comprises a cutting cylinder (10) fixedly connected with the rack (1) and a cutting die (9) arranged at the output end of the cutting cylinder (10), and the cutting die (9) moves downwards under the driving of the cutting cylinder (10) to cut the workpiece (17);

the heater (4) is electrically connected with the control cabinet (2) and is used for electrically heating the workpiece (17).

2. The automatic heating bending device according to claim 1, wherein the link mechanism comprises a first link (20), a second link (23), a third link (24), a fixed support (21) vertically and fixedly connected to the rack (1), and a bearing (22) arranged at one end of the fixed support (21) far away from the rack (1); one end of the first connecting rod (20) is vertically and fixedly connected to the back of the stamping die (18), and the other end of the first connecting rod is hinged with the second connecting rod (23); one end of the second connecting rod (23) is hinged with the first connecting rod (20), the other end of the second connecting rod (23) is hinged with the third connecting rod (24), a sliding groove (231) is formed in the second connecting rod (23) along the extending direction of the second connecting rod, and the bearing (22) is arranged in the sliding groove (231) and slides in the sliding groove (231) under the action of the up-and-down movement of the second connecting rod (23); one end of the third connecting rod (24) far away from the second connecting rod (23) is fixedly connected with the telescopic mold core (8); the telescopic mold core (8) is horizontally arranged and is driven by the connecting rod mechanism to move back and forth relative to the frame (1).

3. The automatic heating bending device according to claim 2, wherein the machine frame (1) is provided with a hollow slide block which can move up and down along the machine frame (1), and the telescopic mold core (8) is horizontally arranged in the hollow slide block and can move back and forth in the hollow slide block.

4. The automatic heating and bending device according to claim 1, wherein the jacking mechanism comprises an adjusting screw (12), and an adjusting flange (11) and a bottom die slide block (25) sleeved on the adjusting screw (12); adjusting screw (12) and frame (1) bottom surface fixed connection, die block slider (25) sliding connection is on frame (1), and one end is placed on adjusting flange (11), and along with reciprocating of adjusting flange (11) and remove, the other end and end mould (7) bottom surface fixed connection.

5. The automatic heating and bending device according to claim 4, wherein the jacking mechanism further comprises a pressure spring (13) sleeved on the adjusting screw rod (12), and the pressure spring (13) is disposed between the bottom die slide block (25) and the adjusting flange (12).

6. The automatic heating and bending device according to claim 5, wherein the jacking mechanism further comprises a limiting block (15) which is matched with the bottom die (7) to limit the upward moving position of the bottom die (7), and the limiting block (15) is detachably and fixedly connected to the rack (1).

7. The automatic heating and bending device according to claim 4, wherein one end of the bottom die slide block (25) connected with the bottom die (7) is further fixedly connected with a top block (3) matched with the cutting die (9) for cutting the workpiece (17), and the height of the upper surface of the top block (3) is the same as that of the upper surface of the bottom die (7).