CN207358050U - A kind of mold open/closing cold header folding clamp arm changes gradient - Google Patents
A kind of mold open/closing cold header folding clamp arm changes gradient Download PDFInfo
- Publication number
- CN207358050U CN207358050U CN201721057973.4U CN201721057973U CN207358050U CN 207358050 U CN207358050 U CN 207358050U CN 201721057973 U CN201721057973 U CN 201721057973U CN 207358050 U CN207358050 U CN 207358050U
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- molding
- swing arm
- arm
- gradient
- clamping swing
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Abstract
The utility model discloses a kind of mold open/closing cold header folding clamp arm to change gradient, including clamping swing arm, die holder, molding pressing plate, the longitudinal axis, the front end of the clamping swing arm is set to gradient, the die holder is connected by molding the circular hole that screw rod is inserted into clamping swing arm, one end of the molding pressing plate is sleeved on molding compression spring, the other end is connected with the front end of clamping swing arm, and the longitudinal axis is interspersed on molding cam, inserted with molding arm shaft in the clamping swing arm.The mold open/closing cold header folding clamp arm changes gradient, and the face that folding clamp arm front end is contacted with spring is processed into an oblique angle, ensures that its swinging track is parallel with spring center line, spring adjustable plate is not allowed yielding fracture；Under the condition of production of equal type, the Workpiece length scope of production improves length space by original 50mm to 80mm.
Description
Technical field
The utility model belongs to cold headers technical field, and in particular to a kind of mold open/closing cold header folding clamp arm changes gradient.
Background technology
Cold headers are at room temperature by the forging and molding equipment of the top overstriking of bar or wire rod, are that one kind is special based on pier
Door is used for producing in batches the special equipment of the fasteners such as nut bolt.Cold headers are using the method for cold-heading by bolt, the head of screw
Portion's upsetting goes out, and can reduce cutwork to the greatest extent, is directly formed to the shape and size of needs, can not only save lot of materials, and
And production efficiency can be increased substantially, significantly improve the mechanical strength that upsetting goes out part.Therefore, in the composition mechanism of cold headers
In, each branch is very important composition.The front end of the folding clamp arm of current cold headers is straight, is caused
The pressure and the center line of spring that folding clamp arm produces during the work time cause spring yielding in stretching repeatedly into gradient
Fracture.
Utility model content
The purpose of this utility model is to provide a kind of mold open/closing cold header folding clamp arm to change gradient, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides following technical solution：A kind of mold open/closing cold header folding clamp arm changes
Gradient, including clamping swing arm, die holder, molding pressing plate, the longitudinal axis, the front end of the clamping swing arm are set to gradient, and the die holder passes through
The circular hole connection in screw rod insertion clamping swing arm is molded, one end of the molding pressing plate is sleeved on molding compression spring, the other end and folder
The front end connection of swing arm is closed, the longitudinal axis is interspersed on molding cam.
Preferably, inserted with molding arm shaft in the clamping swing arm.
The technique effect and advantage of the utility model：The mold open/closing cold header folding clamp arm changes gradient, before folding clamp arm
Hold the face contacted with spring to be processed into an oblique angle, ensure that its swinging track is parallel with spring center line, do not allow spring adjustable plate
Yielding fracture；Under the condition of production of equal type, the Workpiece length scope of production is improved by original 50mm to 80mm
Length space.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the clamping swing arm structure schematic diagram of the utility model.
In figure：1 molding rod, 2 molding screw rods, 3 molding arm shafts, 4 die holders, 5 clamping swing arms, 6 molding compression springs, 7 molding pressures
Plate, 8 molding cams, 9 longitudinal axis.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
A kind of mold open/closing cold header folding clamp arm that the utility model provides as shown in Figs. 1-2 changes gradient, including clamping
Swing arm 5, die holder 4, molding pressing plate 7, the longitudinal axis 9, the front end of the clamping swing arm 5 are set to gradient, and the die holder 4 is by molding screw rod
Circular hole connection in 2 insertion clamping swing arms 5, one end of the molding pressing plate 7 are sleeved on molding compression spring 6, and the other end is put with clamping
The front end connection of arm 5, the longitudinal axis 9 are interspersed on molding cam 8, inserted with molding arm shaft 3 in the clamping swing arm 5.
A kind of mold open/closing cold header folding clamp arm provided by the utility model changes gradient, and folding clamp arm front end is connect with spring
An oblique angle is processed into tactile face, is ensured that its swinging track is parallel with spring center line, spring adjustable plate is not allowed yielding fracture；
Under the condition of production of equal type, the Workpiece length scope of production improves length space by original 50mm to 80mm.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Equivalent substitution is carried out, where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (2)
1. a kind of mold open/closing cold header folding clamp arm changes gradient, including clamping swing arm (5), die holder (4), molding pressing plate (7), the longitudinal axis
(9), it is characterised in that：The front end of the clamping swing arm (5) is set to gradient, and the die holder (4) is by molding screw rod (2) insertion folder
The circular hole connection in swing arm (5) is closed, one end of the molding pressing plate (7) is sleeved on molding compression spring (6), the other end and clamping swing arm
(5) front end connection, the longitudinal axis (9) are interspersed on molding cam (8).
2. a kind of mold open/closing cold header folding clamp arm according to claim 1 changes gradient, it is characterised in that：The clamping pendulum
Inserted with molding arm shaft (3) on arm (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057973.4U CN207358050U (en) | 2017-08-23 | 2017-08-23 | A kind of mold open/closing cold header folding clamp arm changes gradient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057973.4U CN207358050U (en) | 2017-08-23 | 2017-08-23 | A kind of mold open/closing cold header folding clamp arm changes gradient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207358050U true CN207358050U (en) | 2018-05-15 |
Family
ID=62422469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721057973.4U Active CN207358050U (en) | 2017-08-23 | 2017-08-23 | A kind of mold open/closing cold header folding clamp arm changes gradient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207358050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614326A (en) * | 2019-10-12 | 2019-12-27 | 广东泰吉鑫机械有限公司 | Novel double-ejector rod mechanism for die spotting machine |
-
2017
- 2017-08-23 CN CN201721057973.4U patent/CN207358050U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614326A (en) * | 2019-10-12 | 2019-12-27 | 广东泰吉鑫机械有限公司 | Novel double-ejector rod mechanism for die spotting machine |
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