阅读说明：本技术 一种异型顶针小孔排废系统 (Special-shaped thimble small hole waste discharge system ) 是由 田荣江 于 2020-12-10 设计创作，主要内容包括：本发明公开了一种异型顶针小孔排废系统,包括提取刀主体和顶针机构,异形顶针头大小比实际小孔直径小5％,当异形顶针头把废料向下压了后,由于异形顶针头的两侧开始有开挖槽,避免旋转出来后造成产品孔边缘材料碰撞刮伤,当连接套安装在圆柱形凸部的一端后,橡胶层将在二者一端的连接处进行缓冲密封,且橡胶层具有较大的摩擦性,使连接套与圆柱形凸部连接处贴合的更为紧密,异形顶针头与开挖槽的表面设置有SKD11模具钢层,SKD11模具钢层具有较好的硬度和较高的韧性,且不易发生开裂,涂抹的耐磨颗粒胶层与pvd纳米耐磨涂层,可以增强异形顶针头的耐磨性和抗腐蚀性,使异形顶针头可以长时间进行使用,提高整体的使用寿命。(The invention discloses a special-shaped thimble small hole waste discharge system, which comprises an extraction cutter main body and a thimble mechanism, wherein the size of a special-shaped thimble head is 5 percent smaller than the diameter of an actual small hole, after the special-shaped thimble head presses down waste materials, the two sides of the special-shaped thimble head are provided with grooves, the collision scratch of the edge materials of a product hole caused by rotation is avoided, when a connecting sleeve is arranged at one end of a cylindrical convex part, the connecting part of the connecting sleeve and the cylindrical convex part is sealed in a buffer way by a rubber layer, the rubber layer has higher friction, so that the connecting part of the connecting sleeve and the cylindrical convex part is more tightly attached, the surfaces of the special-shaped thimble head and the grooves are provided with an SKD11 die steel layer, the SKD11 die steel layer has better hardness and higher toughness and is not easy to crack, and the coated wear-resistant particle rubber layer and a pvd nano wear-resistant coating can enhance the wear resistance and, the special-shaped thimble head can be used for a long time, and the service life of the whole thimble is prolonged.)

1. The utility model provides a heterotypic thimble aperture exhaust system, is including drawing sword main part (1) and thimble mechanism (2), and the one end of drawing sword main part (1) is installed in thimble mechanism (2), its characterized in that: the extraction knife main body (1) comprises a connecting end (11), a first through hole (12) and a cylindrical convex part (13), the first through hole (12) is formed in the middle of one end of the connecting end (11), the cylindrical convex part (13) is installed at one end of the connecting end (11), the cylindrical convex part (13) is of a hollow structure, and the cylindrical convex part (13) is fixedly connected with one end of the connecting end (11);

thimble mechanism (2) are including adapter sleeve (21), thimble post (22), dysmorphism thimble head (23), internal thread (24) and welding part (25), the outer end at cylindrical convex part (13) is installed in adapter sleeve (21), thimble post (22) are through adapter sleeve (21) and cylindrical convex part (13) through-connection end (11), special-shaped thimble head (23) are installed to the one end that adapter sleeve (21) were kept away from in thimble post (22), internal thread (24) have been seted up to the inner wall of adapter sleeve (21), welding part (25) have with the centre welding of thimble post (22) to dysmorphism thimble head (23).

2. The special-shaped thimble small hole waste discharge system as claimed in claim 1, wherein: cylindrical convex part (13) include second through-hole (131), external screw thread (132) and rubber layer (133), second through-hole (131) have been seted up to the middle one end of cylindrical convex part (13), thimble column (22) run through with first through-hole (12) through second through-hole (131), external screw thread (132) have been seted up to the surface of cylindrical convex part (13), cylindrical convex part (13) are through external screw thread (132) and adapter sleeve (21) threaded connection, the one end surface mounting of cylindrical convex part (13) has rubber layer (133).

3. The special-shaped thimble small hole waste discharge system as claimed in claim 1, wherein: the thimble post (22) includes movable sleeve (221) and buffer spring (222), and the surface mounting of thimble post (22) has movable sleeve (221), and movable sleeve (221) is located the inboard of cylindrical convex part (13), and buffer spring (222) are installed to the centre of movable sleeve (221) and welding part (25), and buffer spring (222) are located the surface of thimble post (22).

4. The special-shaped thimble small hole waste discharge system as claimed in claim 1, wherein: the special-shaped thimble head (23) comprises an excavation groove (231) and a reinforcing layer (232), the excavation groove (231) is formed in the middle of the special-shaped thimble head (23), and the reinforcing layer (232) is arranged on the surfaces of the special-shaped thimble head (23) and the excavation groove (231).

5. The special-shaped thimble small hole waste discharge system as claimed in claim 4, wherein: the reinforcing layer (232) comprises an SKD11 die steel layer (2321), a wear-resistant particle glue layer (2322) and a pvd nano wear-resistant coating (2323), the surface of the special-shaped ejector pin head (23) and the surface of the excavation groove (231) are welded with the SKD11 die steel layer (2321), the surface of the SKD11 die steel layer (2321) is coated with the wear-resistant particle glue layer (2322), and the surface of one side, away from the SKD11 die steel layer (2321), of the wear-resistant particle glue layer (2322) is coated with the pvd nano wear-resistant coating (2323).

Technical Field

The invention relates to the technical field of thimbles, in particular to a special-shaped thimble small hole waste discharge system.

Background

In the product course of working, the waste material discharge too much can cause the jam of thimble hole, needs in time to clear up behind the thimble hole jam, if not clear up in time can lead to the damage of tool.

However, the existing product small hole waste discharge is operated by using the cylindrical extraction knife, the scratch of the edge material of the product hole is easy to collide when the extraction knife is pressed down, a plurality of thimbles are welded and fixed, the disassembly and the replacement are troublesome, the thimbles are easy to wear after being used for a long time, and the whole practicability, convenience and service life are not ideal.

In view of the above-mentioned problems, the utility model aims to improve the overall practicability, convenience and service life. Therefore, a special-shaped thimble small hole waste discharge system is provided.

Disclosure of Invention

The invention aims to provide a special-shaped thimble small hole waste discharge system, which improves the overall practicability, convenience and service life and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a special-shaped thimble small hole waste discharge system comprises an extraction knife main body and a thimble mechanism, wherein the thimble mechanism is installed at one end of the extraction knife main body, the extraction knife main body comprises a connecting end, a first through hole and a cylindrical convex part, the first through hole is formed in the middle of one end of the connecting end, the cylindrical convex part is installed at one end of the connecting end and is of a hollow structure, and the cylindrical convex part is fixedly connected with one end of the connecting end;

the thimble mechanism includes adapter sleeve, thimble post, dysmorphism thimble head, internal thread and welding part, and the adapter sleeve is installed in the outer end of cylindrical convex part, and the thimble post runs through the link through adapter sleeve and cylindrical convex part, and the one end that the adapter sleeve was kept away from to the thimble post is installed dysmorphism thimble head, and the internal thread has been seted up to the inner wall of adapter sleeve, and the middle welding of dysmorphism thimble head and thimble post has the welding part.

Further, cylindrical convex part includes second through-hole, external screw thread and rubber layer, and the second through-hole has been seted up to cylindrical convex part's middle one end, and the thimble post runs through with first through-hole through the second through-hole, and the external screw thread has been seted up to cylindrical convex part's surface, and cylindrical convex part passes through external screw thread and adapter sleeve threaded connection, and the one end surface mounting of cylindrical convex part has the rubber layer.

Further, the thimble column includes movable sleeve and buffer spring, and the surface mounting of thimble column has the movable sleeve, and the movable sleeve is located the inboard of cylindrical convex part, and buffer spring is installed to the centre of movable sleeve and welding part, and buffer spring is located the surface of thimble column.

Furthermore, the special-shaped ejector pin head comprises an excavation groove and a reinforcing layer, the excavation groove is formed in the middle of the special-shaped ejector pin head, and the reinforcing layer is arranged on the surfaces of the special-shaped ejector pin head and the excavation groove.

Furthermore, the enhancement layer includes SKD mould steel layer 11, wear-resisting granule glue film and the wear-resisting coating of dvd nanometer, and the surface welding of dysmorphism thimble head and excavation groove has SKD11 mould steel layer, and the surface of 11 steel layers of SKD mould has smeared the wear-resisting granule glue film, and the wear-resisting granule glue film is kept away from SKD mould steel layer's one side surface and has been smeared the wear-resisting coating of dvd nanometer.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the special-shaped thimble small hole waste discharge system provided by the invention, the size of the special-shaped thimble head is 5% smaller than the diameter of an actual small hole, after the waste is pressed downwards by the special-shaped thimble head, the two sides of the special-shaped thimble head are provided with the grooves, so that the situation that the edge material of a product hole is collided and scratched after the special-shaped thimble head rotates out is avoided, the special-shaped thimble head is fixedly connected with the thimble column and the connecting sleeve through the welding part, the thimble column conveniently penetrates through the connecting end of the extraction knife main body through the first through hole and the second through hole, the connecting sleeve is in threaded connection with the cylindrical convex part, the thimble mechanism is convenient to disassemble and maintain when damaged.

2. According to the special-shaped thimble small hole waste discharge system, the connecting sleeve is in threaded connection with the external thread of the outer wall of the cylindrical convex part through the internal thread of the inner wall, after the connecting sleeve is installed at one end of the cylindrical convex part, the rubber layer is used for buffering and sealing the joint of the two ends, the rubber layer has high friction, so that the joint of the connecting sleeve and the cylindrical convex part is tightly attached, the buffering spring is limited in the cylindrical convex part through the movable sleeve, and when the special-shaped thimble head works, the buffering adjustment can be performed on the special-shaped thimble head, and the whole convenience is improved.

3. According to the special-shaped thimble small hole waste discharge system provided by the invention, the SKD11 die steel layer is arranged on the surfaces of the special-shaped thimble head and the digging groove, the SKD11 die steel layer has better hardness and higher toughness and is not easy to crack, and the coated wear-resistant particle glue layer and the pvd nano wear-resistant coating can enhance the wear resistance and corrosion resistance of the special-shaped thimble head, so that the special-shaped thimble head can be used for a long time, and the service life of the whole body is prolonged.

Drawings

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

FIG. 2 is an internal cross-sectional view of the extraction blade body of the present invention;

FIG. 3 is a cross-sectional view of the ejector pin mechanism of the present invention;

fig. 4 is a diagram of the material inside the reinforcing layer of the present invention.

In the figure: 1. extracting the knife main body; 11. a connecting end; 12. a first through hole; 13. a cylindrical boss; 131. a second through hole; 132. an external thread; 133. a rubber layer; 2. a thimble mechanism; 21. connecting sleeves; 22. a thimble post; 221. a movable sleeve; 222. a buffer spring; 23. a special-shaped top pinhead; 231. excavating a groove; 232. a reinforcing layer; 2321. SKD11 mold steel layer; 2322. a wear-resistant particle glue layer; 2323. a pvc nano abrasion resistant coating; 24. an internal thread; 25. and (7) welding the parts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a special-shaped thimble small hole waste discharge system comprises an extraction cutter main body 1 and a thimble mechanism 2, the thimble mechanism 2 is installed at one end of the extraction cutter main body 1, the extraction cutter main body 1 comprises a connecting end 11, a first through hole 12 and a cylindrical convex part 13, the first through hole 12 is formed in the middle of one end of the connecting end 11, the cylindrical convex part 13 is installed at one end of the connecting end 11, the cylindrical convex part 13 is of a hollow structure, the cylindrical convex part 13 is fixedly connected with one end of the connecting end 11, the thimble mechanism 2 comprises a connecting sleeve 21, a thimble column 22, a special-shaped thimble head 23, an internal thread 24 and a welding part 25, the connecting sleeve 21 is installed at the outer end of the cylindrical convex part 13, the thimble column 22 penetrates through the connecting end 11 through the connecting sleeve 21 and the cylindrical convex part 13, the special-shaped thimble, welding part 25 is welded in the middle of dysmorphism thimble head 23 and thimble column 22, cylindrical convex part 13 includes second through-hole 131, external screw thread 132 and rubber layer 133, second through-hole 131 has been seted up to the middle one end of cylindrical convex part 13, thimble column 22 runs through with first through-hole 12 through second through-hole 131, external screw thread 132 has been seted up to the surface of cylindrical convex part 13, cylindrical convex part 13 passes through external screw thread 132 and adapter sleeve 21 threaded connection, the one end surface mounting of cylindrical convex part 13 has rubber layer 133.

Referring to fig. 3-4, a special-shaped thimble small hole waste discharging system, the thimble column 22 includes a movable sleeve 221 and a buffer spring 222, the surface of the thimble column 22 is installed with the movable sleeve 221, and the movable sleeve 221 is located at the inner side of the cylindrical convex portion 13, the buffer spring 222 is installed between the movable sleeve 221 and the welding portion 25, and the buffer spring 222 is located at the surface of the thimble column 22, the connection sleeve 21 is in threaded connection with the external thread 132 of the outer wall of the cylindrical convex portion 13 through the internal thread 24 of the inner wall, after the connection sleeve 21 is installed at one end of the cylindrical convex portion 13, the rubber layer 133 performs buffer sealing at the connection of the two ends, and the rubber layer 133 has larger friction, so that the connection between the connection sleeve 21 and the cylindrical convex portion 13 is more tightly attached, and the buffer spring 222 is limited inside the cylindrical convex portion 13 through the movable sleeve 221, when the special-shaped thimble head 23 is operated, the buffer, the overall convenience is improved, the special-shaped thimble head 23 comprises an excavation groove 231 and a reinforcing layer 232, the excavation groove 231 is formed in the middle of the special-shaped thimble head 23, the size of the special-shaped thimble head 23 is 5% smaller than the actual diameter of a small hole, when the special-shaped thimble head 23 presses the waste downwards, the excavation grooves 231 are formed in two sides of the special-shaped thimble head 23, collision and scratch of a product hole edge material after rotation is avoided, the special-shaped thimble head 23 is fixedly connected with the thimble column 22 and the connecting sleeve 21 through the welding part 25, the thimble column 22 can conveniently penetrate through the connecting end 11 of the extraction knife main body 1 through the first through hole 12 and the second through hole 131, the connecting sleeve 21 is in threaded connection with the cylindrical convex part 13, the thimble mechanism 2 can be conveniently detached and maintained when damaged, the overall practicability is improved, the reinforcing layer 232 is arranged on the surfaces of the special-shaped thimble head 23 and the excavation groove 231, and the reinforcing layer 232 comprises an, The special-shaped top needle head 23 and the excavation groove 231 are welded with the SKD11 die steel layer 2321, the surface of the SKD11 die steel layer 2321 is coated with the wear-resistant particle glue layer 2322, the surface of one side, away from the SKD11 die steel layer 2321, of the wear-resistant particle glue layer 2322 is coated with the pvd nano wear-resistant coating 2323, the surface of the special-shaped top needle head 23 and the excavation groove 231 is provided with the SKD11 die steel layer 2321, the SKD11 die steel layer 2321 has good hardness and high toughness and is not prone to cracking, and the coated wear-resistant particle glue layer 2322 and the pvd nano wear-resistant coating 2323 can enhance the wear resistance and corrosion resistance of the special-shaped top needle head 23, so that the special-shaped top needle head 23 can be used for a long time, and the service life of the whole is prolonged.

In summary, the following steps: the invention provides a special-shaped thimble small hole waste discharge system, the size of a special-shaped thimble head 23 is 5 percent smaller than the diameter of an actual small hole, when the special-shaped thimble head 23 presses waste downwards, the special-shaped thimble head 23 starts to be provided with the digging grooves 231 at two sides, so that the collision scratch of the edge material of a product hole caused by rotation is avoided, the special-shaped thimble head 23 is fixedly connected with a thimble column 22 and a connecting sleeve 21 through a welding part 25, the thimble column 22 conveniently penetrates through a connecting end 11 of an extraction knife main body 1 through a first through hole 12 and a second through hole 131, the connecting sleeve 21 is in threaded connection with a cylindrical convex part 13, the thimble mechanism 2 is convenient to disassemble and maintain when damaged, the whole practicability is improved, the connecting sleeve 21 is in threaded connection with an external thread 132 on the outer wall of the cylindrical convex part 13 through an internal thread 24 on the inner wall, and when the connecting sleeve 21 is arranged at one end of the cylindrical convex part 13, the rubber layer 133 has high friction, so that the joint of the connecting sleeve 21 and the cylindrical convex part 13 is attached more tightly, the buffer spring 222 is limited in the cylindrical convex part 13 through the movable sleeve 221, when the special-shaped thimble head 23 works, the special-shaped thimble head can be buffered and adjusted, the overall convenience is improved, the SKD11 die steel layer 2321 is arranged on the surfaces of the special-shaped thimble head 23 and the excavation groove 231, the SKD11 die steel layer 2321 has high hardness and high toughness and is not easy to crack, the coated wear-resistant particle glue layer 2322 and the pvd nano wear-resistant coating 2323 can enhance the wear resistance and corrosion resistance of the special-shaped thimble head 23, the special-shaped thimble head 23 can be used for a long time, and the overall service life is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.