CN213195476U

CN213195476U - Cold-heading mould of shaping double-end flower tooth adapter sleeve

Info

Publication number: CN213195476U
Application number: CN202021864099.7U
Authority: CN
Inventors: 谢向君; 伍铁忠; 焦德美
Original assignee: Shanghai Hongji Metal Products Co ltd
Current assignee: Shanghai Hongji Metal Products Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-14
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a cold-heading mould of shaping double-end flower tooth adapter sleeve, it includes die subassembly (1) and master die subassembly (2), its characterized in that: the die assembly (1) comprises a die shell (101) with a hollow hole, a die cushion block (102) arranged in a die hole (101a) in the die shell (101), a die sleeve (103) with flower teeth and a die ejector pin (104), wherein the die ejector pin (104) is embedded in the die sleeve (103), and the die sleeve (103) is embedded in the die hole (101a) in the die shell (101) and abuts against the die cushion block (102); the cold heading forming of the double-head spline tooth connecting sleeve is realized through six-station continuous forming, the cold heading direct forming can be realized, the turning allowance of machining is reduced, the production efficiency of products is improved, and the production period of the products is shortened.

Description

Cold-heading mould of shaping double-end flower tooth adapter sleeve

Technical Field

The utility model belongs to car cold-heading spare field of making specifically says so and relates to a shaping double-end flower tooth adapter sleeve's cold-heading mould.

Background

Various hardware parts are generally used in the mechanical industry for machining and installation, for example, a fastener is a common hardware part and is a general name of a type of mechanical parts used when two or more parts or components are fastened and connected into a whole, and a double-end spline connecting sleeve is a non-standard fastener.

In the field of automobile part manufacturing, various machining and manufacturing schemes of spline sleeve parts are provided. The method comprises the steps of drilling by turning, punching, closing up and embossing, wherein the method comprises the steps of cutting a seamless tube, punching, closing up and embossing. The existing cold heading industry has a plurality of methods for manufacturing the toothed sleeve, but the cold heading toothed sleeve is not fully punched.

The traditional turning and drilling mode is that the turning and drilling process is utilized to finish the molding from a solid bar to a hollow tube, then the stamping closing-in die is utilized to finish the action that the shaft part and the inner hole at one end are simultaneously reduced, and the step of the molded shaft part is pressed to form the flower teeth; the seamless tube cutting is to directly purchase a tube-shaped material with the same cross section as the large hole section of the part, the cutting and blanking machine is used for segmenting, and the same closing-up and embossing effects are achieved by utilizing the stamping process; the cold heading is to directly form a solid bar into a hollow tube by adopting a forward and backward extrusion technology of a tubular part, and finish the action of punching, closing and embossing teeth on a die of a multi-station forming machine to achieve the same effect. The traditional turning and drilling forming method has the defects of long processing time, low production efficiency and low material utilization rate, while the seamless pipe cutting method has the defects of high raw material cost and low production efficiency, and the existing process of sleeve pipe tooth forming in the cold heading industry has the problems of gas holding and oil holding due to cold heading forming in a die, so that the situation of incomplete tooth forming occurs.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is exactly to there is the condition of holding back breath and holding back oil to the cold-heading forming process of above-mentioned current double-end flower tooth adapter sleeve to the molding defect that the flower tooth shaping is not full appears, a shaping double-end flower tooth adapter sleeve's cold-heading mould is provided, realize double-end flower tooth adapter sleeve's cold-heading shaping through six station continuous forming, can cold-heading direct forming, the turning surplus of machine tooling has been reduced, the production efficiency of product has been improved, the production cycle of product has been shortened.

Technical scheme

In order to realize above-mentioned technical purpose, the utility model provides a pair of shaping double-end flower tooth adapter sleeve's cold-heading mould, it includes die assembly and master die assembly, its characterized in that: the die component comprises a die shell with a hollow hole, a die cushion block arranged in the die hole in the die shell, a die sleeve with flower teeth and a die ejector pin, the die ejector pin is embedded in the die sleeve, the die sleeve is embedded in the die hole in the die shell and is abutted against the die cushion block,

the main die assembly comprises a movable main die core provided with a tungsten steel die core, a main die shell, a belleville spring, a main die push pipe with flower teeth, a main die ejector pin, an ejector pin fixing block, a main die cushion block and a main die ejector pin, the movable main die core provided with the tungsten steel die core is arranged in the inner cavity of the main die shell, the main die ejector pin is embedded in the main die ejector tube with the flower teeth, the main mould push pipe with the flower teeth is embedded in the inner cavity of the main mould shell, one end of the main mould push pipe is inserted into the inner cavity of the movable main mould core provided with the tungsten steel mould core, one end of the butterfly spring positioned in the inner cavity of the main mould shell props against the movable main mould core provided with the tungsten steel mould core, the other end of the butterfly spring props against a thimble fixing block embedded in the inner cavity of the main mould shell, the main mould cushion block props against the thimble fixing block and is locked at the opening part of the main mould shell, and the main injection pin penetrates through the main injection push pipe with the spline teeth from the ejector pin fixing block and the main injection cushion block.

Furthermore, a die locking threaded hole is formed in the die stamping shell.

Further, the butterfly spring is sleeved on the main mold push pipe with the spline teeth.

Advantageous effects

The utility model provides a pair of shaping double-end flower tooth adapter sleeve's cold-heading mould realizes double-end flower tooth adapter sleeve's cold-heading shaping through six station continuous forming, can cold-heading direct forming, has reduced the turning surplus of machining, has improved the production efficiency of product, has shortened the production cycle of product.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in the attached drawing 1, the embodiment of the utility model provides a shaping double-end flower tooth adapter sleeve's cold-heading mould, it includes die assembly 1 and master module assembly 2, its characterized in that: the die component 1 comprises a die shell 101 provided with a hollow hole, a die cushion block 102 arranged in a die hole 101a in the die shell 101, a die sleeve 103 with flower teeth and a die ejector pin 104, wherein the die ejector pin 104 is embedded in the die sleeve 103, the die sleeve 103 is embedded in the die hole 101a in the die shell 101 and is abutted against the die cushion block 102,

the main die assembly 2 comprises a movable main die core 201 with a tungsten steel die core, a main die shell 202, a belleville spring 203, a main die push tube 204 with flower teeth, a main die push pin 205, a push pin fixing block 206, a main die cushion block 207 and a main die injection pin 208, wherein the movable main die core 201 with the tungsten steel die core is arranged in an inner cavity of the main die shell 202, the main die push pin 205 is embedded in the main die push tube 204 with flower teeth, the main die push tube 204 with flower teeth is embedded in the inner cavity of the main die shell 202, one end of the main die push tube 204 with flower teeth is inserted into the inner cavity of the movable main die core 201 with the tungsten steel die core, the belleville spring 203 is positioned in the inner cavity of the main die shell 202, one end of the butterfly spring props against the movable main die core 201 with the tungsten steel die core, the other end of the butterfly spring props against the push pin fixing block 206 embedded in the inner cavity of the main die shell 202, the main die cushion block 207 props against the push pin fixing block 206 and is locked at the opening of The tube 204 is molded.

The die-locking threaded hole 101a is formed in the die-stamping shell 101.

The belleville spring 203 is sleeved on the main die push pipe 204 with the flower teeth.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a cold-heading mould of shaping double-end flower tooth adapter sleeve, it includes die subassembly (1) and master die subassembly (2), its characterized in that: the die assembly (1) comprises a die shell (101) with a hollow hole, a die cushion block (102) arranged in a die hole (101a) in the die shell (101), a die sleeve (103) with flower teeth and a die ejector pin (104), wherein the die ejector pin (104) is embedded in the die sleeve (103), and the die sleeve (103) is embedded in the die hole (101a) in the die shell (101) and abuts against the die cushion block (102);

the main die assembly (2) comprises a movable main die core (201) provided with a tungsten steel die core, a main die shell (202), a belleville spring (203), a main die push pipe (204) with flower teeth, a main die push pin (205), a pin fixing block (206), a main die cushion block (207) and a main die injection pin (208), wherein the movable main die core (201) provided with the tungsten steel die core is arranged in an inner cavity of the main die shell (202), the main die push pin (205) is embedded in the main die push pipe (204) with the flower teeth, the main die push pipe (204) with the flower teeth is embedded in an inner cavity of the main die shell (202), one end of the main die core with the tungsten steel die core is inserted into the inner cavity of the movable main die core (201) provided with the tungsten steel die core, the belleville spring (203) is positioned in the inner cavity of the main die shell (202), one end of the butterfly spring abuts against the movable main die core (201) provided with the tungsten steel die core, and the other end of the pin, and the main mold cushion block (207) props against the ejector pin fixing block (206) and is locked at the opening part of the main mold shell (202), and the main mold pin (208) penetrates through the ejector pin fixing block (206) and the main mold cushion block (207) and props against the main mold push pipe (204) with the flower teeth.

2. The cold heading die for forming the double-head spline tooth connecting sleeve as claimed in claim 1, wherein: and a die locking threaded hole is formed in the die stamping shell (101).

3. The cold heading die for forming the double-head spline tooth connecting sleeve as claimed in claim 1, wherein: the butterfly spring (203) is sleeved on the main die push pipe (204) with the spline teeth.