CN212494881U

CN212494881U - Composite stamping die of buffering spring ring for damping device of needling machine

Info

Publication number: CN212494881U
Application number: CN202020974522.2U
Authority: CN
Inventors: 张志高; 顾文涵
Original assignee: Yangzhou University
Current assignee: Yangzhou University
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-09
Anticipated expiration: 2030-06-02

Abstract

A composite stamping die of a buffer spring ring for a damping device of a needle machine belongs to the technical field of machining, and comprises a machine tool slide block, an upper template, a lower die, an extrusion male die, a forming die, a guide pillar and a guide pillar sleeve; part sheet material after the process of will punching a hole is placed in the extrusion process of lower mould and is put the material step, through extrusion terrace die and extrusion die, extrude the extruded article that is oval higher authority both sides enstrophe below being, the extruded article that will extrude last time is placed in the shaping and is put the material intracavity, utilizes spacing post to carry on spacingly to foraminiferous extruded article, puts the material die cavity through the shaping pressure head and shaping and process out the bottom and have the round hole, and the top has the buffering spring coil of shrinkage joint, the utility model discloses accomplish extrusion and shaping twice process in a stroke, simplified the production process flow, realized the quick shaping processing to buffering spring coil, further improved production efficiency.

Description

Composite stamping die of buffering spring ring for damping device of needling machine

Technical Field

The utility model belongs to the technical field of the machine tooling, a stamping die is related to, specific saying so relates to a compound stamping die of cushion spring circle for needle loom damping device.

Background

The non-woven fabric is a non-woven fabric, is a novel fiber product with soft, breathable and planar structures, and is widely applied to industries such as medical treatment, agricultural films, decoration, chemical engineering, printing, automobiles, building materials and furniture, a needle punching method is an important processing technology for non-woven fabric production, the non-woven fabric processed by the needle punching method accounts for a large proportion in the whole non-woven fabric yield at present, and a needle punching machine is a main device for producing the non-woven fabric, so that the guarantee of safe and effective operation of the needle punching machine is very important for the non-woven fabric production, but in actual use, the eccentric link mechanism drives a needle plate to move up and down at high frequency to generate vibration, the needle breaking phenomenon can be caused when the vibration is large, the production and the product quality are influenced, the reliability of equipment operation can be reduced due to long-term. In order to reduce vibration, reduce maintenance cost and improve operation reliability, a damping device special for a needling machine needs to be designed, a damping spring ring for damping in the device belongs to a nonstandard part, the forming process comprises plate shearing, punching, extruding and forming, the traditional process flow is mostly not beneficial to production management, the production process flow is simplified, the production efficiency is effectively improved, and the processing die for the damping spring ring is very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at a buffering spring coil belongs to nonstandard spare among needle loom damping device, the process of traditional preparation spring coil is by the board that cuts, punch a hole, the extrusion, the shaping is constituteed, there is manufacturing procedure many, low in production efficiency, be unfavorable for not enough such as production management, a compound stamping die of buffering spring coil for needle loom damping device is proposed, can accomplish extrusion and shaping twice process in a stroke, can simplify the production process flow, can realize the rapid prototyping processing to buffering spring coil, can further improve production efficiency.

The technical scheme of the utility model: a composite stamping die of a buffer spring ring for a damping device of a needle machine comprises a machine tool slide block connected with a stamping machine tool; the method is characterized in that: the composite stamping die is composed of an upper die plate and a lower die, the upper die plate is connected and arranged at the bottom of a machine tool slide block, guide post sleeves are arranged at two ends of the bottom surface of the upper die plate, an extrusion male die and a forming die are arranged between the guide post sleeves, an extrusion head is fixedly arranged at the bottom of the extrusion male die, a forming pressure head is fixedly arranged at the bottom of the forming die, guide posts are arranged at two sides of the lower die, an extrusion female die and a forming material placing cavity are arranged between the guide posts, a material placing step is arranged at the periphery of the extrusion female die, a limiting post is arranged at the bottom of the forming material placing cavity, a punched part plate is placed in the material placing step, the extrusion part plate is pressed down through the extrusion head and the extrusion female die to form an extrusion part, the extrusion part with holes is placed in the forming material placing cavity.

The number of the guide posts is 4, and the guide posts are respectively arranged at four corners of the upper template; 4 guide posts are arranged at four corners of the lower die respectively; the height of the guide post sleeve is greater than that of the guide post, and the guide post sleeve and the guide post form clearance sliding fit.

The extrusion head is oval, and extrusion die, shaping pressure head, shaping are put the material chamber and are the semiellipse circular slot of the same specification, and the top of extrusion head and the last end setting of shaping pressure head are on same horizontal plane.

The extrusion head and the forming pressure head are arranged in an equal-width mode, and the extrusion female die and the forming material placing cavity are arranged in an equal-width mode.

The limiting column is clamped and arranged at the center of the bottom surface of the forming material placing cavity, and the diameter of the limiting column is smaller than the hole diameter of the punched hole in the material plate.

The utility model has the advantages that: the utility model provides a composite stamping die of a buffer spring ring for a damping device of a needle machine, which consists of a machine tool slide block, an upper template, a lower die, an extrusion male die, a forming die, a guide pillar and a guide pillar sleeve; part sheet material after the process of will punching a hole is placed in the extrusion process of lower mould and is put the material step, through extrusion terrace die and extrusion die, extrude the extruded article that is oval higher authority both sides enstrophe below being, the extruded article that will extrude last time is placed in the shaping and is put the material intracavity, utilizes spacing post to carry on spacingly to foraminiferous extruded article, puts the material die cavity through the shaping pressure head and shaping and process out the bottom and have the round hole, and the top has the buffering spring coil of shrinkage joint, the utility model discloses accomplish extrusion and shaping twice process in a stroke, simplified the production process flow, realized the quick shaping processing to buffering spring coil, further improved production efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of a top view structure of the middle and lower molds of the present invention.

Fig. 3 is a schematic structural diagram of the middle extrusion head of the present invention.

Fig. 4 is the structural schematic diagram of the middle forming press head of the present invention.

In the figure: the device comprises an upper template 1, a lower die 2, a machine tool slide block 3, an extrusion convex die 4, a forming die 5, a guide column sleeve 6, a material placing step 7, an extrusion concave die 8, a forming material placing cavity 9, a limiting column 10, a guide column 11, an extrusion head 12 and a forming pressure head 13.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in figures 1-4, a composite stamping die of a buffer spring ring for a damping device of a needle machine comprises a machine tool slide block 3 connected with a stamping machine tool, the composite stamping die is composed of an upper die plate 1 and a lower die 2, the upper die plate 1 is connected and arranged at the bottom of the machine tool slide block 3, two ends of the bottom surface of the upper die plate 1 are provided with guide post sleeves 6, an extrusion convex die 4 and a forming die 5 are arranged between the guide post sleeves 6, the bottom of the extrusion convex die 4 is fixedly provided with an extrusion head 12, the bottom of the forming die 5 is fixedly provided with a forming pressure head 13, two sides of the lower die 2 are provided with guide posts 11, an extrusion concave die 8 and a forming material placing cavity 9 are arranged between the guide posts 11, the periphery of the extrusion concave die 8 is provided with a material placing step 7, the bottom of the forming material placing cavity 9 is provided with a limit post 10, a punched part plate material is placed in the material placing step 7 and is pressed down by the extrusion head 12 and extruded, the cushion spring ring can be molded by pressing down the molding press head 13.

As shown in fig. 1-4, in the composite stamping die of the cushion spring ring for the damping device of the needle machine, 4 guide post sleeves 6 are respectively arranged at the four corners of an upper template 1; 4 guide posts 11 are respectively arranged at four corners of the lower die 2; the height of the guide post sleeve 6 is greater than that of the guide post 11, and the guide post sleeve 6 and the guide post 11 form clearance sliding fit; the extrusion head 12 is in an oval shape, the extrusion female die 8, the forming pressure head 13 and the forming material placing cavity 9 are all semi-oval grooves with the same specification, and the upper top of the extrusion head 12 and the upper bottom of the forming pressure head 13 are arranged on the same horizontal plane; the extrusion head 12 and the forming pressure head 13 are arranged in the same width, and the extrusion female die 8 and the forming material placing cavity 9 are arranged in the same width; the limiting column 10 is clamped and arranged at the center of the bottom surface of the forming material placing cavity 9, and the diameter of the limiting column 10 is smaller than the hole diameter of the punched hole on the material plate.

As shown in fig. 1 to 4, a method for using a composite stamping die of a cushioning spring ring for a shock absorbing device of a needle machine is as follows: the method comprises the steps of firstly placing part plates after a plate shearing and punching process in an extrusion process material placing step 7 of a lower die 2, starting a punch press, extruding an extruded part with an oval lower side and two inwards-turned upper sides through an extrusion convex die 4 and an extrusion process concave die 8, placing the part plates after the plate shearing and punching process in the extrusion process material placing step 7 of the lower die 2 after the punch press is static, placing the extruded part extruded last time in a forming process material placing die cavity 9, limiting the position through a forming process limiting column 10 and holes in the lower oval surface of the extruded part, starting the punch press, placing the forming process material placing die cavity 9 and the forming process limiting column 10 through the extrusion convex die 4, the extrusion process concave die 8, a forming die 5, the forming process material placing die cavity 9 and the forming process limiting column 10, continuously forming the bottom with round holes.

Claims

1. A composite stamping die of a buffer spring ring for a damping device of a needle machine comprises a machine tool slide block (3) connected with a stamping machine tool; the method is characterized in that: the composite stamping die is composed of an upper die plate (1) and a lower die (2), wherein the upper die plate (1) is connected and arranged at the bottom of a machine tool slide block (3), guide post sleeves (6) are arranged at two ends of the bottom surface of the upper die plate (1), an extrusion male die (4) and a forming die (5) are arranged between the guide post sleeves (6), an extrusion head (12) is fixedly arranged at the bottom of the extrusion male die (4), a forming pressure head (13) is fixedly arranged at the bottom of the forming die (5), guide posts (11) are arranged at two sides of the lower die (2), an extrusion female die (8) and a forming material placing cavity (9) are arranged between the guide posts (11), a material placing step (7) is arranged at the periphery of the extrusion female die (8), a limiting post (10) is arranged at the bottom of the forming material placing cavity (9), a punched part is placed in the plate material placing step (7) and is extruded with the extrusion female die (8) through the extrusion, putting the extruded part with the hole into a molding material placing cavity (9), positioning the extruded part through a limiting column (10), and molding by pressing a molding pressure head (13) to obtain the buffer spring ring.

2. The composite stamping die for the cushion spring ring for the shock absorption device of the needle machine as claimed in claim 1, wherein: 4 guide column sleeves (6) are respectively arranged at four corners of the upper template (1); 4 guide posts (11) are respectively arranged at four corners of the lower die (2); the height of the guide post sleeve (6) is greater than that of the guide post (11), and the guide post sleeve (6) and the guide post (11) form clearance sliding fit.

3. The composite stamping die for the cushion spring ring for the shock absorption device of the needle machine as claimed in claim 1, wherein: extrusion head (12) are oval, and extrusion die (8), shaping pressure head (13), shaping are put material chamber (9) and are the semiellipse circular slot of the same specification, and the last top of extrusion head (12) and the last end setting of shaping pressure head (13) are on same horizontal plane.

4. The composite stamping die for the cushion spring ring for the shock absorption device of the needle machine as claimed in claim 1, wherein: the extrusion head (12) and the forming pressure head (13) are arranged in the same width, and the extrusion female die (8) and the forming material placing cavity (9) are arranged in the same width.

5. The composite stamping die for the cushion spring ring for the shock absorption device of the needle machine as claimed in claim 1, wherein: the limiting column (10) is clamped and arranged at the center of the bottom surface of the forming material placing cavity (9), and the diameter of the limiting column (10) is smaller than the hole diameter of the punched hole on the material plate.