CN207668416U - A kind of external screw thread double bond slot forging piece molding die - Google Patents
A kind of external screw thread double bond slot forging piece molding die Download PDFInfo
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- CN207668416U CN207668416U CN201721550753.5U CN201721550753U CN207668416U CN 207668416 U CN207668416 U CN 207668416U CN 201721550753 U CN201721550753 U CN 201721550753U CN 207668416 U CN207668416 U CN 207668416U
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- cavity
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- double bond
- screw thread
- size
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Abstract
The utility model provides a kind of external screw thread double bond slot forging piece molding die comprising：Upper mold, the upper mold includes top mold frame, upper mold and abnormal-shaped punch, the upper mold is connected to the lower section of the top mold frame, the abnormal-shaped punch is threaded through in the upper mold, the lower face of the abnormal-shaped punch is recessed inwardly to form upper cavity, the both sides of the upper cavity are formed with boss, and the boss extends downwardly the upper mold, and the size of the upper cavity and the size on the head of external screw thread double bond slot forging to be formed match；Lower mold, the lower mold includes lower die holder and lower die, the lower die is connected to the top of the lower die holder, lead-in cavity up and down and lower mode cavity are formed in the lower die, the size of the lead-in cavity and the size of the upper mold match, and the size of the lower mode cavity and the size of the axle portion of external screw thread double bond slot forging to be formed match.
Description
Technical field
The utility model is related to precision metals to forge field, more particularly to a kind of external screw thread double bond slot forging piece molding die.
Background technology
External screw thread double bond slot forging is mounted in the reverse clutch of electro-tricycle, and machining accuracy directly determines down
The backing performance of vehicle clutch.Referring to FIG. 1, its structural schematic diagram for a kind of external screw thread double bond slot forging 100, the outer spiral shell
Line double bond slot forging 100 includes thinner axle portion 101 and stair-stepping head 102, is formed on the upper surface on the head 102
Two keyways 103.
In prior art, the general general profile molding that external screw thread double bond slot forging is completed using hot forging process.Finally, so
On its head, milling pin goes out keyway afterwards.Milling pin technique reduces the production efficiency of product, and will produce a large amount of waste materials, increases
The production cost of product.In addition, the keyway that milling pin technique is formed has the shortcomings that symmetry is poor, low etc. there are burr, intensity in slot.
Utility model content
In view of the above technical problems, on the one hand the utility model proposes a kind of external screw thread double bond slot forging piece molding die,
Its specific technical solution is as follows：
A kind of external screw thread double bond slot forging piece molding die, it is characterised in that：It includes：
Upper mold, the upper mold include top mold frame, upper mold and abnormal-shaped punch, and the upper mold is connected to the top mold frame
Lower section, the abnormal-shaped punch are threaded through in the upper mold, and the lower face of the abnormal-shaped punch is recessed inwardly to form upper cavity, described
The both sides of upper cavity are formed with boss, and the boss extends downwardly the upper mold, the size of the upper cavity with it is to be formed outer
The size on the head of screw thread double bond slot forging matches；
Lower mold, the lower mold include lower die holder and lower die, and the lower die is connected to the top of the lower die holder, described
Lead-in cavity up and down and lower mode cavity are formed in lower die, the size of the lead-in cavity and the size of the upper mold match,
The size of the lower mode cavity and the size of the axle portion of external screw thread double bond slot forging to be formed match.
In a specific embodiment, the upper mold further includes Upper Die-sleeve, and the Upper Die-sleeve is connected to the top mold frame
Lower face on, the upper mold is threaded through in the Upper Die-sleeve and extends downwardly the Upper Die-sleeve.
In a specific embodiment, the lower mold further includes ejector beam, and the ejector beam is threaded through the lower mode cavity
Interior, when the ejector beam moves up, the upper end can extend into the lead-in cavity.
Using external screw thread double bond slot forging piece molding die provided by the utility model, external screw thread double bond can be disposably completed
The head of slot forging is molded, and squeezes out double bond slot in the upper surface on its head.
Compared with prior art, the utility model shortens the production cycle of external screw thread double bond slot forging, reduces product
Production cost.In addition, with milling pin-shaped at keyway compared with, through squeeze the keyway formed have symmetry is good, impulse- free robustness in slot,
The advantages that intensity is high.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.Wherein：
Fig. 1 is a kind of structural schematic diagram of external screw thread double bond slot forging；
Fig. 2 is a kind of product form variation diagram of external screw thread double bond slot forging moulding process；
Fig. 3 is the structural schematic diagram of external screw thread double bond slot forging piece molding die provided by the utility model；
Fig. 4 is the installation diagram of the upper mold and abnormal-shaped punch in Fig. 3.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
" one embodiment " or " embodiment " referred to herein refers to that may be included at least one realization side of the utility model
A particular feature, structure, or characteristic in formula." in one embodiment " that different places occur in the present specification not refers both to
The same embodiment, nor the individual or selective embodiment mutually exclusive with other embodiment.
Shown in please referring to Fig.2, a kind of external screw thread double bond slot forging moulding process specifically comprises the following steps：
S1, a bar is provided, the bar is as shown in Figure 2 A.
S2, one end of bar just squeeze using cold forging die, obtain the blank with axle portion and contouring head, it is described
Blank is as shown in Figure 2 B.
S3, it blank is placed in the external screw thread double bond slot forging piece molding die squeezes, to obtain with double bond slot
Finished product, the finished product is as shown in Figure 2 C.
Please refer to Fig.3 and Fig. 4 shown in, the utility model i.e. provide a kind of external screw thread double bond slot forging for step S3
Molding die comprising upper mold and lower mold.Wherein：
The upper mold includes top mold frame 1, upper mold 3 and abnormal-shaped punch 4, and the upper mold 3 is connected under the top mold frame 1
Side, the abnormal-shaped punch 4 are threaded through the upper mold 3, and the lower face of the abnormal-shaped punch 4 is recessed inwardly to form upper cavity 41, institute
The both sides for stating upper cavity 41 are formed with boss 42, and the boss 42 extends downwardly the upper mold 3, the size of the upper cavity 41 with
The size on the head of external screw thread double bond slot forging to be formed matches.
The lower mold includes lower die holder 7 and lower die 5, and the lower die 5 is connected to the top of the lower die holder 7, under described
Lead-in cavity 51 up and down and lower mode cavity 52, the size phase of the size of the lead-in cavity 51 and the upper mold are formed in mould 5
Matching, the size of the lower mode cavity 52 and the size of the axle portion of external screw thread double bond slot forging to be formed match.
Using molding die provided by the utility model, can realize the head molding of external screw thread double bond slot blank and
The upper surface on its head squeezes out double bond slot, to realize the final molding of external screw thread double bond slot.
Shown in Fig. 2, the course of work of external screw thread double bond slot forging piece molding die provided by the utility model
It is as follows：
1) axle portion of external screw thread double bond slot forging blank 2B is placed in downwards in lower mode cavity 52 by 1 backhaul of top mold frame.
2) top mold frame 1 moves down, and synchronously, upper mold 3 enters in lead-in cavity 51 and moved down along lead-in cavity 51, directly
Two boss 42 to 4 lower end of abnormal-shaped punch resist the upper surface on the head of external screw thread double bond slot forging blank 2B.
3) top mold frame 1 continues to move down, upper surface shape of the boss 42 to the head of external screw thread double bond slot forging blank 2B
At squeezing so that the metal material at extruding is flowed to surrounding, the upper end on the head of external screw thread double bond slot forging blank 2B enters to
In upper cavity 41.Finally, the head of external screw thread double bond slot forging blank 2B is squeezed into ladder-like, the correspondence of the upper surface on head
Position forms two keyways consistent with the size shape of the boss 42.
4) top mold frame 1 move up, backhaul, the external screw thread double bond slot forging of extrusion forming is unloaded from lower mode cavity 52.
In a specific embodiment, in order to facilitate the installation and maintenance of upper mold 3, the upper mold further includes Upper Die-sleeve 2,
The Upper Die-sleeve 2 is connected on the lower face of the top mold frame 1, and the upper mold 3 is threaded through in the Upper Die-sleeve 2 and extends downwardly
The Upper Die-sleeve 2.
In a specific embodiment, the lower mold further includes ejector beam ejector beam 6, and the ejector beam 6 is threaded through institute
It states in lower mode cavity 52, when the ejector beam 6 moves up, the upper end can extend into the lead-in cavity 51.Complete external screw thread
It after the molding of double bond slot forging, controls the ejector beam 6 and moves up, can easily eject external screw thread double bond slot forging.
Above description fully discloses specific embodiment of the present utility model.It should be pointed out that being familiar with the neck
Right of any change that the technical staff in domain does specific embodiment of the present utility model all without departing from the utility model
The range of claim.Correspondingly, the scope of the claims of the utility model is also not limited only to aforementioned specific embodiment party
Formula.
Claims (3)
1. a kind of external screw thread double bond slot forging piece molding die, it is characterised in that：It includes：
Upper mold, the upper mold include top mold frame, upper mold and punch, and the upper mold is connected to the lower section of the top mold frame, institute
It states punch to be threaded through in the upper mold, the lower face of the punch is recessed inwardly to form upper cavity, the both sides shape of the upper cavity
The upper mold, the size of the upper cavity and external screw thread double bond slot forging to be formed are extended downwardly at having boss, the boss
The size on head match；
Lower mold, the lower mold include lower die holder and lower die, and the lower die is connected to the top of the lower die holder, the lower die
It is inside formed with lead-in cavity up and down and lower mode cavity, the size of the lead-in cavity and the size of the upper mold match, described
The size of lower mode cavity and the size of the axle portion of external screw thread double bond slot forging to be formed match.
2. molding die as described in claim 1, it is characterised in that：The upper mold further includes Upper Die-sleeve, and the Upper Die-sleeve connects
It is connected on the lower face of the top mold frame, the upper mold is threaded through in the Upper Die-sleeve and extends downwardly the Upper Die-sleeve.
3. molding die as described in claim 1, it is characterised in that：The lower mold further includes ejector beam, the ejector beam
It is threaded through in the lower mode cavity, when the ejector beam moves up, the upper end can extend into the lead-in cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550753.5U CN207668416U (en) | 2017-11-20 | 2017-11-20 | A kind of external screw thread double bond slot forging piece molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550753.5U CN207668416U (en) | 2017-11-20 | 2017-11-20 | A kind of external screw thread double bond slot forging piece molding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207668416U true CN207668416U (en) | 2018-07-31 |
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ID=62964212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721550753.5U Expired - Fee Related CN207668416U (en) | 2017-11-20 | 2017-11-20 | A kind of external screw thread double bond slot forging piece molding die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207668416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145054A (en) * | 2017-11-20 | 2018-06-12 | 江苏森威集团飞达股份有限公司 | A kind of external screw thread double bond slot forging piece molding die and moulding process |
-
2017
- 2017-11-20 CN CN201721550753.5U patent/CN207668416U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145054A (en) * | 2017-11-20 | 2018-06-12 | 江苏森威集团飞达股份有限公司 | A kind of external screw thread double bond slot forging piece molding die and moulding process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20191120 |