CN215392184U

CN215392184U - Cutting die for automatic production line of basket-shaped retainer punching

Info

Publication number: CN215392184U
Application number: CN202121720364.9U
Authority: CN
Inventors: 李文忠; 祝伟; 王恩来; 武文文; 肖壮勇; 王冠兵
Original assignee: XIANGYANG AUTOMOBILE BEARING CO LTD
Current assignee: XIANGYANG AUTOMOBILE BEARING CO LTD
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-04
Anticipated expiration: 2031-07-27

Abstract

The utility model relates to a cutting die for a basket-shaped retainer punching automatic production line. Belongs to the technical field of processing of a conical roller bearing stamping basket-shaped retainer. The cutting die mainly solves the problem that the existing cutting die and pressure equipment are only suitable for single machine, single sequence and manual operation. It is mainly characterized in that: the device comprises a forming male die, a forming female die, a male die unloading mechanism and a female die unloading mechanism, wherein the male die unloading mechanism is arranged in the forming male die, the female die unloading mechanism is arranged in the forming female die, and a positioning groove is formed in the opening part of the forming female die. The utility model improves the existing inverted cutting stamping die structure, cancels the guide pillar and guide sleeve structure, realizes the automatic wire-connecting processing of the cutting process, and is mainly used for the automatic stamping wire-connecting production of the basket-shaped retainer.

Description

Cutting die for automatic production line of basket-shaped retainer punching

Technical Field

The utility model belongs to the technical field of machining of a basket-shaped retainer punched by a tapered roller bearing, and particularly relates to a cutting die for a basket-shaped retainer punching automatic production line.

Background

Tapered roller bearings are widely used in the mechanical industry, particularly in the automobile manufacturing industry, and are the leading products of host customers and foreign trade exports of the Xiangbei company. The basic structure generally comprises four parts, namely an outer ring, a basket-shaped retainer, a group of rolling bodies, an inner ring and the like.

The basket-shaped retainer is one of four key parts of the tapered roller bearing, and mainly has the functions of uniformly isolating the rollers, guiding the rollers to freely rotate on the inner and outer rolling way surfaces, transferring loads and ensuring the movement precision and stability of the whole vehicle. The part is generally formed by stamping a cold-rolled steel plate, and the main process flow is as follows: a standard plywood of L (length) × B (width) × δ (thickness) is unpacked, and approximately 7 punching processes are required from strip cutting, wafer blanking to final expansion, as shown in fig. 1. The working procedures comprise blanking, cutting, bottom cutting, punching, edge turning, slope pressing and expanding.

The obvious characteristics of multiple working procedures, high requirement and labor intensity are the stamping processing of the basket-shaped retainer. Limited by processing equipment and technical level, the traditional basket-shaped retainer is cut into a cluster production mode which generally adopts a single-sequence manual operation, so that the production efficiency is low, the product quality is unstable, and more safety accidents are caused because personnel are required to frequently pick and place products from a die cavity. With the disappearance of the population dividend, the problems of difficult industrial recruitment, difficult human retention, high cost, low efficiency and the like tend to be overcome, and the automation improvement of enterprises is promoted.

Disclosure of Invention

The utility model aims to provide a cutting die for the automatic production line of the basket-shaped retainer punching aiming at the defects. Through carrying out the optimal design to the cutting mould, realize cutting into the automation of punching press process, for realizing that the punching press of whole basket shape holder is automatic to be produced the line and is supported, can realize alone multimachine or unmanned operation, for the enterprise subtracts people to improve the efficiency, improves market competition and creates the condition.

The technical solution of the utility model is as follows: the utility model provides a basket shape holder punching press automatic production line is with cutting into mould which characterized in that: the device comprises a forming male die, a forming female die, a male die unloading mechanism and a female die unloading mechanism, wherein the male die unloading mechanism is arranged in the forming male die, the female die unloading mechanism is arranged in the forming female die, and a positioning groove is arranged at the opening part of the forming female die.

The male die unloading mechanism in the technical scheme of the utility model comprises an upper rectangular spring and an unloading pad, wherein a cylindrical cavity is arranged in a forming male die, a through hole matched with the unloading pad is arranged at the lower end of the forming male die, a groove matched with the rectangular spring is axially arranged on the unloading pad, and a boss matched with the cylindrical cavity is arranged on the excircle of the unloading pad.

The female die unloading mechanism in the technical scheme of the utility model consists of a spring cover, a lower rectangular spring, a guide rod and a gasket, wherein the guide rod penetrates through the lower rectangular spring and the gasket and is positioned in a cavity of the spring cover.

The technical scheme of the utility model also comprises a lower template, a female die joint, a female die cushion, a male die joint, an upper template and a die shank; the die handle, the upper die plate, the male die joint and the forming male die are fixed in sequence; the forming female die, the female die joint and the lower template are fixed in sequence; the female die cushion is positioned in the lower cavity of the forming female die and sleeved on the spring cover.

The diameter of the opening end of the positioning groove in the technical scheme of the utility model is consistent with the diameter of the disc material.

The utility model adopts a cutting die for a basket-shaped retainer stamping automatic production connecting line, which consists of a forming male die, a forming female die, a male die unloading mechanism and a female die unloading mechanism. The forming male die and the forming female die form a natural guide structure, so that the existing inverted cutting stamping die structure is improved, a guide pillar and guide sleeve structure is eliminated, and the automatic wire-connecting processing of the cutting process becomes possible. Seamless connection is carried out through automatic connection of the conveyor belt and the reciprocating manipulator and the bottom cutting process, and finally the aim of automatic connection of the stamping retainer is achieved.

The utility model is mainly used for automatic stamping and connecting line production of basket-shaped retainer cutting.

Drawings

Fig. 1 is a flowchart of a conventional basket-shaped retainer press working.

Fig. 2 is a schematic structural view of a conventional cutting die.

Fig. 3 is a schematic view of the cutting die of the present invention.

Figure 4 is a schematic view of the automatic stamping line production of the utility model for the cutting of the basket-shaped holders into the undercuts.

In the figure: 101. a blanking punch (stretching die); 102. blanking female dies; 103. positioning the guide plate; 104. a guide post; 105. a guide sleeve; 106. an upper die holder; 107. a discharge rod; 108. a knockout pin; 109. a stripper plate; 110. stretching the punch; 111. a lower die holder; 201. a lower template; 202. a female die joint; 203. a cavity die pad; 204. forming a female die; 205. a positioning groove; 206. a male die joint; 207. mounting a template; 208. a die shank; 209. forming a male die; 210. an upper rectangular spring; 211. unloading the material pad; 212. a spring housing; 213. a lower rectangular spring; 214. a guide bar; 215. a gasket; 501. a material storage table; 502. a first reciprocating manipulator; 503. cutting into a press; 504. a conveyor belt; 505. a second reciprocating manipulator; 506. a bottom cutting press.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 2, the conventional cutting and punching die includes a blanking punch (drawing die) 101, a blanking die 102, a positioning guide 103, a guide post 104, a guide sleeve 105, an upper die holder 106, a discharge rod 107, a knockout pin 108, a discharge plate 109, a drawing punch 110, and a lower die holder 111. The cutting stamping die is arranged on a J31 series closed single-point press, and the basic technological process of the cutting procedure is as follows: manually horizontally placing a strip material meeting the process requirements into a positioning guide plate 103 fixed on a blanking female die 102, and after the strip material moves forwards to a stop pin for sizing and limiting, moving a blanking punch 101 (the inner cavity is also a stretching female die) downwards along with a slide block of a press machine to perform wafer blanking on the strip material; when the blanking punch 101 continuously moves downwards, the inner cavity of the blanking punch at the moment is used as a stretching female die, and the wafer starts to be stretched and formed through the stretching punch 110 fixed at the central position of the lower die holder 111 until the bottom dead center of the press machine (namely the position of the minimum closed height of the die) is reached, so that the stretching and forming of the basket-shaped blank is finished; when the slide block of the press moves upwards, the basket-shaped blank tightly adhered to the inner cavity of the blanking punch 1 moves upwards along with the upper die base 106 to the knockout cross beam, the knockout cross beam is limited by the knockout screw fixed on the machine body, the discharge rod 107, the knockout pin 108 and the discharge plate 109 are pushed along with the knockout cross beam to move downwards, the basket-shaped retainer blank is ejected out, and then under the dual actions of gravity and compressed air, the blank is received by the movable material channel and slides into the material box, and the blank is cut into pieces and is processed completely.

From the view of the structure and the processing process of the cutting die, in order to facilitate the manual feeding and the smooth discharging of the blank after the stretching forming, the cutting process adopts a non-traditional inverted structure, namely the stretching punch 110 is combined with the lower die holder 111, and the stretching female die 101 is combined with the upper die holder 106, so that the formed blank can be ensured to be taken out of the lower die holder, and the manual step feeding is convenient during the next working cycle. Meanwhile, in order to ensure the concentricity of the upper die and the lower die, a guide sleeve 105 and a guide pillar 104 which are distributed at an angle of 45 degrees are respectively designed on the upper die base and the lower die base for centering and guiding. Obviously, the inverted mold structure is not only complex, but also cannot be provided with an automatic wiring device.

As shown in fig. 3, the present invention includes a lower die plate 201, a die adapter 202, a die pad 203, a forming die 204, a positioning groove 205, a punch adapter 206, an upper die plate 207, a die shank 208, a forming punch 209, an upper rectangular spring 210, a dump pad 211, a spring cover 212, a lower rectangular spring 213, a guide bar 214, and a washer 215. Wherein the upper rectangular spring 210 and the discharge pad 211 constitute a punch discharge mechanism. A cylindrical cavity is arranged in the forming male die 209, a through hole matched with the discharging pad 211 is formed in the lower end of the forming male die, a groove matched with the rectangular spring 210 is axially formed in the discharging pad 211, a boss matched with the cylindrical cavity is arranged on the outer circle of the discharging pad 211, and the discharging pad 211 can slidably extend out of the forming male die 209. The spring cover 212, the lower rectangular spring 213, the guide rod 214 and the washer 215 form a die unloading mechanism, and the guide rod 214 penetrates through the lower rectangular spring 213 and the washer 215 and is located in the cavity of the spring cover 212. The die shank 208, the upper die plate 207, the punch holder 206 and the forming punch 209 are fixed in this order. The forming die 204, the joint 202 and the lower template 201 are fixed in sequence, and the die pad 203 is positioned in a lower cavity of the forming die 204 and sleeved on the spring cover 212. The diameter of the opening end of the positioning groove 205 is consistent with the diameter of the disc material.

Preferably, JH21 series open type fixed table top high-performance precision stamping equipment replaces a J31 series closed single-point press as a main machine, and can realize the following functions: 1. JH21 series stamping equipment has high precision and small movement clearance of the slide block, and provides guarantee for die orifice centering and guiding when the die works; the three sides of the workbench have larger open space, so that the installation and the operation of the reciprocating mechanism are convenient, and the automatic wiring requirement can be better met; 2. the damping pad is used for replacing a secondary grouting foundation bolt to fix the host, so that working vibration and noise are reduced, and the layout and position of host equipment can be flexibly adjusted; 3. the control system takes the PLC as a core, realizes numerical control and intellectualization, and creates conditions for automatic wiring and standardized operation; 4. the grating protection and PLC signal acquisition functions are added, and the intrinsic safety and the control precision are improved. The novel structure is characterized in that the structure of the existing inverted traditional cutting stamping die is innovatively designed, a novel structure with a positioning groove and a die orifice guide is adopted, and a guide pillar and guide sleeve structure is omitted, so that the automatic connection processing of the cutting process becomes possible.

As shown in fig. 4. The present invention is installed on a cutting press 503, and forms an embodiment of a basket-shaped holder cutting and punching automatic production line together with a bottom cutting press 506, a bottom cutting die, a conveyor belt 504, a first reciprocating robot 502 and a second reciprocating robot 505. The conveyor 504 is disposed between the cutting press 503 and the bottom cutting press 506, and cooperates with the cutting press 503 and the bottom cutting press 506. A first shuttle robot 502 is disposed between the cutting press 503 and the stock table 501, and a second shuttle robot 505 is disposed between the cutting press 503 and the bottom-cutting press 506. The front end, the middle end and the rear end of the first reciprocating manipulator 502 are respectively provided with a vacuum chuck, the front end of the second reciprocating manipulator 505 is provided with a vacuum chuck matched with the undercut blank, and the rear end of the second reciprocating manipulator is provided with a flexible hand grip. A special material receiving box is arranged beside the bottom cutting press 506, and the bottom cutting press 503 and the bottom cutting press 506 are JH21 series open type fixed table top high-performance precision stamping equipment. After the cutting process is automatically upgraded and modified, the automatic upgrading and modification are carried out by matching with the bottom cutting process, and the first reciprocating manipulator 502 and the second reciprocating manipulator 505 of the conveyor belt are seamlessly connected, so that the automatic connection target of bottom cutting and stamping of the basket-shaped retainer can be realized.

The first reciprocating robot 502 picks up the round sheet from the storage platform 501 by a vacuum chuck and accurately places the round sheet in the positioning groove 205 at the mouth of the forming female die 204, and the first reciprocating robot 502 returns after the round sheet is released. When the die moves to the safety position, a stamping signal is sent to the press, the forming male die 209 fixed at the center of the upper die moves downwards along with the slide block of the press, the inner cavity of the forming female die 204 starts to stretch and form the wafer until the bottom dead center (namely the position of the minimum closed height of the die) of the press, and the stretching and forming of the basket-shaped blank is finished. During the stretching process, a male die discharging mechanism consisting of the upper rectangular spring 210 and the discharging pad 211 and a female die discharging mechanism consisting of the spring cover 212, the lower rectangular spring 213, the guide rod 214 and the gasket 215 are compressed at the same time, so as to prepare for the discharging work after the forming. When the slide block of the press machine moves upwards, the spring cover 212 pushes the basket-shaped blank out of the inner cavity of the forming female die 204, when the certain height is reached, the discharging pad 211 pushes the basket-shaped blank out of the forming male die 209, the basket-shaped blank is stably placed on the spring cover 212, after discharging is completed, the slide block rises to the upper dead point position to stop, and a punching completion instruction is sent to the first reciprocating manipulator 502. The first shuttle robot 502, upon receiving the command, begins the next work cycle: the first reciprocating robot 502 moves to the center of the mold, the basket-shaped blank is taken out through the vacuum chuck, meanwhile, the vacuum chuck arranged at the rear end of the arm of the first reciprocating robot 502 sucks up the next wafer material to be formed from the storage table 501, the wafer material is conveyed to the cutting mold along with the horizontal movement of the arm of the first reciprocating robot 502, the basket-shaped blank is placed on the conveying belt 504 and conveyed to the bottom cutting process, and the automatic cutting work is finished in a reciprocating mode.

The second reciprocating manipulator 505 sucks a blank to be bottomed from a V-shaped positioning block on a conveyor belt through a vacuum sucker arranged at the front end of the arm of the second reciprocating manipulator 505, then horizontally moves to a bottoming station, accurately places the blank in a bottoming die, the vacuum sucker immediately loosens the blank and leaves the bottoming station along with the second reciprocating manipulator 505, when the second reciprocating manipulator 505 runs to a safe position, a stamping signal is sent to the press, the press is started to bottom the blank until material cores are separated, and bottoming work is completed. Then, a punching completion instruction is given to the second shuttle robot 505, and the second shuttle robot 505 starts the next work cycle: the flexible gripper arranged at the rear end of the arm of the second reciprocating moving type manipulator 505 clamps the blank, the vacuum sucker arranged at the front end of the manipulator arm sucks the next blank to be bottomed from the V-shaped positioning block on the conveyor belt, and along with the horizontal movement of the arm of the second reciprocating moving type manipulator 505, the flexible gripper and the vacuum sucker respectively send two semi-finished products to the material box and the bottoming station, so that the automatic bottoming work is finished in a reciprocating manner.

From the structure and the processing process of the utility model, in order to facilitate the positioning and the unloading of the blank and meet the requirements of continuous automatic production, the utility model mainly comprises the following innovation points: the guide sleeve 307 and the guide post 302 which are mutually distributed at 45 degrees on the original die base are changed into be horizontally distributed on one side, so that the concentricity of the upper die and the lower die can be ensured, a horizontal movement space can be reserved for the reciprocating type automatic wiring device, and the installation and the adjustment are convenient.

The automatic upgrading and transformation and the wire connection technology application are carried out on the cut pieces, and the stamping processing is changed from single machine, single sequence and manual operation to automatic wire connection unmanned operation, so that the automation level of the working procedures and the product quality are greatly improved, the labor intensity is reduced, the operating environment is improved, and the intrinsic safety is improved.

Claims

1. The utility model provides a basket shape holder punching press automatic production line is with cutting into mould which characterized in that: the device comprises a forming male die (209), a forming female die (204), a male die unloading mechanism and a female die unloading mechanism, wherein the male die unloading mechanism is arranged in the forming male die (209), the female die unloading mechanism is arranged in the forming female die (204), and a positioning groove (205) is arranged at the opening part of the forming female die (204).

2. The cutting die for the basket-shaped retainer punching automatic production line according to claim 1, characterized in that: the male die unloading mechanism is composed of an upper rectangular spring (210) and an unloading pad (211), a cylindrical cavity is arranged in the forming male die (209), a through hole matched with the unloading pad (211) is formed in the lower end of the forming male die, a groove matched with the rectangular spring (210) is axially formed in the unloading pad (211), and a boss matched with the cylindrical cavity is arranged on the outer circle of the unloading pad (211).

3. The cutting die for the basket-shaped retainer punching automatic production line according to claim 1 or 2, characterized in that: the die unloading mechanism consists of a spring cover (212), a lower rectangular spring (213), a guide rod (214) and a gasket (215), wherein the guide rod (214) penetrates through the lower rectangular spring (213) and the gasket (215) and is positioned in a cavity of the spring cover (212).

4. The cutting die for the basket-shaped retainer punching automatic production line according to claim 2, characterized in that: the die comprises a lower die plate (201), a female die joint (202), a female die pad (203), a male die joint (206), an upper die plate (207) and a die shank (208); the die handle (208), the upper die plate (207), the male die joint (206) and the forming male die (209) are fixed in sequence; the forming female die (204), the female die joint (202) and the lower template (201) are fixed in sequence; the female die pad (203) is positioned in a cavity at the lower part of the forming female die (204) and is sleeved on the spring cover (212).

5. The cutting die for the basket-shaped retainer punching automatic production line according to claim 4, characterized in that: the die unloading mechanism consists of a spring cover (212), a lower rectangular spring (213), a guide rod (214) and a gasket (215), wherein the guide rod (214) penetrates through the lower rectangular spring (213) and the gasket (215) and is positioned in a cavity of the spring cover (212).

6. The cutting die for the basket-shaped retainer punching automatic production line according to any one of claims 1 to 2 and 4 to 5, wherein: the diameter of the opening end of the positioning groove (205) is consistent with that of the disc material.

7. The cutting die for the basket-shaped retainer punching automatic production line according to claim 3, characterized in that: the diameter of the opening end of the positioning groove (205) is consistent with that of the disc material.