CN209664208U - A kind of M4 straight-bar long bolt cold upsetting die of car that the depth of parallelism is good - Google Patents
A kind of M4 straight-bar long bolt cold upsetting die of car that the depth of parallelism is good Download PDFInfo
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- CN209664208U CN209664208U CN201920323469.7U CN201920323469U CN209664208U CN 209664208 U CN209664208 U CN 209664208U CN 201920323469 U CN201920323469 U CN 201920323469U CN 209664208 U CN209664208 U CN 209664208U
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Abstract
The utility model relates to long bolt cold upsetting die of car technical fields, the good M4 straight-bar long bolt cold upsetting die of car of especially a kind of depth of parallelism, including mold cavity and two punch rods, the mold cavity is horizontally set between punch rod, and the mold cavity inner horizontal is fitted with processing component, the mold cavity both ends are provided with fastening structure, the fastening structure includes the first reinforcing member and the second reinforcing member of arc, first reinforcing member and the cooperation of the second reinforcing member are looped around mold cavity both ends, first reinforcing member two sides bottom end is welded with the first guide groove vertically, second reinforcing member two sides top is welded with the second guide groove vertically.The utility model can prevent the first reinforcing member and the second reinforcing member from glancing off when installing by the first guide groove and the second guide groove；Reinforcing member is locked by the cap nut that the first fixing bolt bottom end is threadedly coupled；Position limiting structure squeezes pellet by spring to which limit is on mold cavity, prevents from itself from arbitrarily sliding.
Description
Technical field
The utility model relates to the good long spiral shells of M4 straight-bar of long bolt cold upsetting die of car technical field more particularly to a kind of depth of parallelism
Bar cold upsetting die of car.
Background technique
Common M4 straight-bar long bolt manufacturing process axially supports the scheme for the cold-heading molding that rises, material using path material two sides
Only both ends are squeezed power, and extruding force cannot be conducted to material middle section completely, be influenced by material itself stress, the spiral shell after cold-heading
Bar is integrally in the arc-shaped that middle section is recessed inwardly, and screw rod completeness is low.
Utility model content
Purpose of the utility model is to solve long bolt manufacture exists in the prior art screw rod often occur integrally and be in
The arc-shaped that middle section is recessed inwardly, the low disadvantage of screw rod completeness, and propose a kind of depth of parallelism it is good M4 straight-bar long bolt it is cold
Upsetting mold.
To achieve the goals above, the utility model adopts the technical scheme that
Design a kind of M4 straight-bar long bolt cold upsetting die of car that the depth of parallelism is good, including mold cavity and two punch rods, the mould
Tool chamber is horizontally set between punch rod, and the mold cavity inner horizontal is fitted with processing component, and the mold cavity both ends are set
It is equipped with fastening structure, the fastening structure includes the first reinforcing member and the second reinforcing member of arc, first reinforcing member and
The cooperation of two reinforcing members is looped around mold cavity both ends, and first reinforcing member two sides bottom end is welded with the first guide groove vertically, described
Second reinforcing member two sides top are welded with the second guide groove vertically, and second guide groove is inserted into the first guide groove, described
First guide groove and the second guide groove weld run through reinforcing member, are fitted with the first fixed spiral shell in first guide groove vertically
The second reinforcing member, first fixing bolt bottom end screw thread are extended along the second guide groove in bolt, first fixing bolt bottom end
It is connected with cap nut, screw hole, the screw hole internal screw thread are vertically offered on first reinforcing member and the second reinforcing member side wall
It is connected with the second fixing bolt, sliding sleeve is set there are two casing in the middle part of the mold cavity, and described sleeve pipe both ends are provided with flange, institute
It states and position limiting structure is installed on flange.
Preferably, the position limiting structure includes groove, and the groove is provided with vertically on the inner wall of flange, in the groove
It is fixedly installed with spring, the spring bottom end is fixedly connected with pellet.
Preferably, the spring is in compressive state always, and the pellet bottom end is tightly attached on mold cavity outer wall.
Preferably, level meter is installed, the level meter is to circle made of transparent fiber on the outer wall of the flange
Colored liquid is injected in pipe, and liquid internal floating is made to have bubble.
Preferably, the length of the mold cavity is greater than 25 millimeters.
The utility model proposes a kind of good M4 straight-bar long bolt cold upsetting die of car of depth of parallelism, beneficial effect is: this is flat
The good M4 straight-bar long bolt cold upsetting die of car of row degree can prevent the first reinforcing member and the by the first guide groove and the second guide groove
Two reinforcing members glance off when installing；Reinforcing member is locked by the cap nut that the first fixing bolt bottom end is threadedly coupled；
Position limiting structure squeezes pellet by spring to which limit is on mold cavity, prevents from itself from arbitrarily sliding.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of good M4 straight-bar long bolt cold upsetting die of car of depth of parallelism main view.
Fig. 2 be the utility model proposes a kind of good M4 straight-bar long bolt cold upsetting die of car of depth of parallelism side view.
Fig. 3 be the utility model proposes a kind of good M4 straight-bar long bolt cold upsetting die of car of depth of parallelism partial enlarged view.
Fig. 4 be the utility model proposes a kind of good M4 straight-bar long bolt cold upsetting die of car of depth of parallelism A at enlarged drawing.
In figure: mold cavity 1, the first reinforcing member 2, the second reinforcing member 3, the first guide groove 4, the second guide groove 5, screw hole 6,
Two fixing bolts 7, the first fixing bolt 8, cap nut 9, casing 10, flange 11, level meter 12, groove 13, spring 14, pellet
15, processing component 16, punch rod 17.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
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.
Referring to Fig.1-4, the good M4 straight-bar long bolt cold upsetting die of car of a kind of depth of parallelism, including mold cavity 1 and two punch rods
17, the length of mold cavity 1 is greater than 25 millimeters, and mold cavity 1 is horizontally set between punch rod 17, and 1 internal water plug flat of mold cavity
Equipped with processing component 16,1 both ends of mold cavity are provided with fastening structure, and fastening structure includes the first reinforcing member 2 and second of arc
Reinforcing member 3, the first reinforcing member 2 and the cooperation of the second reinforcing member 3 are looped around 1 both ends of mold cavity, and 2 two sides bottom end of the first reinforcing member is vertical
It is welded with the first guide groove 4,3 two sides top of the second reinforcing member is welded with the second guide groove 5 vertically, and the second guide groove 5 is inserted into
In first guide groove 4, the first guide groove 4 and 5 weld of the second guide groove run through reinforcing member, insert vertically in the first guide groove 4
Equipped with the first fixing bolt 8, the second reinforcing member 3, the first fixed spiral shell are extended along the second guide groove 5 in 8 bottom end of the first fixing bolt
8 bottom end of bolt is threaded with cap nut 9, can prevent the first reinforcing member 2 and by the first guide groove 4 and the second guide groove 5
Two reinforcing members 3 glance off when installing, and the cap nut 9 that 8 bottom end of the first fixing bolt is threadedly coupled locks reinforcing member.
Screw hole 6 is vertically offered on 3 side wall of first reinforcing member 2 and the second reinforcing member, 6 internal screw thread of screw hole is connected with second
Fixing bolt 7, the present apparatus in use, due to both ends stress be greater than middle part stress, it is easy to there is processing component
The 16 both ends situation not concordant with middle part can reinforce 1 both ends of mold cavity by the second fixing bolt 7, improve finished product
Qualification rate.
1 middle part sliding sleeve of mold cavity is set there are two casing 10, and 10 both ends of casing are provided with flange 11, on the outer wall of flange 11
Level meter 12 is installed, level meter 12 is colored liquid to be injected into round tube made of transparent fiber, and float liquid internal
It is floating to have bubble, position limiting structure is installed, position limiting structure includes groove 13, and groove 13 is provided with the interior of flange 11 vertically on flange 11
On wall, spring 14 is fixedly installed in groove 13,14 bottom end of spring is fixedly connected with pellet 15, and spring 14 is always in compression shape
State, 15 bottom end of pellet are tightly attached on 1 outer wall of mold cavity, and level meter 12 can determine whether whole device is in horizontality, set
Pipe 10 can reinforce mold cavity 1, improve yield rate, and position limiting structure squeezes pellet 15 by spring 14 to which limit is in mould
Have on chamber 1, prevents from itself from arbitrarily sliding.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of good M4 straight-bar long bolt cold upsetting die of car of depth of parallelism, including mold cavity (1) and two punch rods (17), feature
Be: the mold cavity (1) is horizontally set between punch rod (17), and the mold cavity (1) inner horizontal is fitted with processing
Component (16), mold cavity (1) both ends are provided with fastening structure, and the fastening structure includes the first reinforcing member (2) of arc
With the second reinforcing member (3), first reinforcing member (2) and the second reinforcing member (3) cooperation are looped around mold cavity (1) both ends, described
First reinforcing member (2) two sides bottom end is welded with the first guide groove (4) vertically, and the second reinforcing member (3) two sides top is welded vertically
Be connected to the second guide groove (5), second guide groove (5) is inserted into the first guide groove (4), first guide groove (4) and
Second guide groove (5) weld runs through reinforcing member, is fitted with the first fixing bolt (8) vertically in first guide groove (4),
First fixing bolt (8) bottom end is extended the second reinforcing member (3) along the second guide groove (5), first fixing bolt (8)
Bottom end is threaded with cap nut (9), vertically offers spiral shell on first reinforcing member (2) and the second reinforcing member (3) side wall
Hole (6), screw hole (6) internal screw thread are connected with the second fixing bolt (7), there are two sliding sleeve is set in the middle part of the mold cavity (1)
Casing (10), described sleeve pipe (10) both ends are provided with flange (11), are equipped with position limiting structure on the flange (11).
2. a kind of good M4 straight-bar long bolt cold upsetting die of car of depth of parallelism according to claim 1, which is characterized in that the limit
Bit architecture includes groove (13), and the groove (13) is provided with vertically on the inner wall of flange (11), fixed in the groove (13)
It is equipped with spring (14), spring (14) bottom end is fixedly connected with pellet (15).
3. a kind of good M4 straight-bar long bolt cold upsetting die of car of depth of parallelism according to claim 2, which is characterized in that the bullet
Spring (14) is in compressive state always, and pellet (15) bottom end is tightly attached on mold cavity (1) outer wall.
4. a kind of good M4 straight-bar long bolt cold upsetting die of car of depth of parallelism according to claim 1, which is characterized in that described convex
It is equipped on the outer wall of edge (11) level meter (12), the level meter (12) is to be injected with into round tube made of transparent fiber
Color liquid, and liquid internal floating is made to have bubble.
5. a kind of good M4 straight-bar long bolt cold upsetting die of car of depth of parallelism according to claim 1, which is characterized in that the mould
The length for having chamber (1) is greater than 25 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920323469.7U CN209664208U (en) | 2019-03-14 | 2019-03-14 | A kind of M4 straight-bar long bolt cold upsetting die of car that the depth of parallelism is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920323469.7U CN209664208U (en) | 2019-03-14 | 2019-03-14 | A kind of M4 straight-bar long bolt cold upsetting die of car that the depth of parallelism is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209664208U true CN209664208U (en) | 2019-11-22 |
Family
ID=68571521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920323469.7U Active CN209664208U (en) | 2019-03-14 | 2019-03-14 | A kind of M4 straight-bar long bolt cold upsetting die of car that the depth of parallelism is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209664208U (en) |
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2019
- 2019-03-14 CN CN201920323469.7U patent/CN209664208U/en active Active
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