CN112139421A - Vertical cold heading former of bolt - Google Patents
Vertical cold heading former of bolt Download PDFInfo
- Publication number
- CN112139421A CN112139421A CN202010925045.5A CN202010925045A CN112139421A CN 112139421 A CN112139421 A CN 112139421A CN 202010925045 A CN202010925045 A CN 202010925045A CN 112139421 A CN112139421 A CN 112139421A
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- China
- Prior art keywords
- bolt
- cold heading
- lifting
- rotating module
- vertical
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/06—Swaging presses; Upsetting presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/085—Accessories for handling work or tools handling of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses vertical bolt cold heading forming equipment, and aims to provide vertical bolt cold heading forming equipment which can effectively simplify the structure, effectively simplify the bolt cold heading process steps and effectively solve the problem that a bolt is extruded and damaged due to errors of the bolt cold heading process steps. The lifting device comprises a bottom frame, a stand column arranged on the bottom frame, an upper support fixed on the upper portion of the stand column, a lifting support located below the upper support, a lifting execution mechanism arranged on the upper support and used for lifting, a stamping die arranged on the lifting support, a bolt head forming hole arranged on the lower surface of the stamping die, a rotating module arranged on the bottom frame in a rotating mode through a horizontal shaft rod, a stud limiting hole arranged on the rotating module, a reference block arranged on the bottom frame and used for positioning the rotating module, a clamping block arranged on the outer side surface of the rotating module and an elastic clamping hook arranged on the lifting support.
Description
Technical Field
The invention relates to bolt processing equipment, in particular to vertical cold heading forming equipment for a bolt.
Background
Cold heading is a forging method for forming a metal bar by upsetting (often, partially upsetting) at normal temperature using a die, and is generally used for manufacturing heads of screws, bolts, rivets, etc., and can reduce or replace cutting work. The existing bolt cold heading equipment generally needs to be provided with an ejection mechanism, and the cold heading process generally comprises the following four steps,
firstly, a material rod is placed on a fixed die;
secondly, the cold heading equipment controls the punch die to be close to the fixed die, cold heading is carried out to enable the head of the bolt to be formed in the forming hole in a cold heading mode, and then the punch die is separated from the fixed die;
thirdly, ejecting the cold heading formed bolt left on the fixed die through an air cylinder of the ejection mechanism;
fourthly, the ejection mechanism resets.
At present, the bolt cold heading process steps are complex, an operator is required to operate according to the steps, once the cold heading process steps are wrong, the bolt can be extruded and damaged, and even the ejection mechanism of the bolt cold heading equipment is damaged.
In order to solve the above problems, the inventor of the present application filed application No. 2020108222250 entitled vertical bolt forming machine at 16/8/2020, which can solve the above problems, but the inventor found that the bolt horizontal forming apparatus of the present application has a complicated structure and is inconvenient for actual production in the actual production process.
Disclosure of Invention
The invention aims to provide a novel LED lamp which can effectively simplify the structure and is convenient for actual production and manufacture; the bolt vertical cold heading forming equipment is convenient to operate, can effectively simplify the bolt cold heading process steps, and can effectively solve the problems that the bolt is extruded and damaged and even an ejection mechanism of the bolt cold heading equipment is damaged due to the error of the bolt cold heading process steps.
The technical scheme of the invention is as follows:
a vertical cold heading forming device for a bolt comprises an underframe, an upright post arranged on the underframe, an upper support fixed on the upper part of the upright post, a lifting support positioned below the upper support, a lifting actuating mechanism arranged on the upper support and used for lifting the lifting support, a stamping die arranged on the lifting support, a bolt head forming hole arranged on the lower surface of the stamping die, a rotating module arranged on the underframe through rotation of a horizontal shaft rod, a stud limiting hole arranged on the rotating module, a reference block arranged on the underframe and used for positioning the rotating module, a clamping block arranged on the outer side surface of the rotating module and an elastic clamping hook arranged on the lifting support, wherein the opening of the bolt head forming hole faces the reference block, the elastic clamping hook comprises a clamping block matched with the clamping block,
when the rotating module rotates around the horizontal shaft lever and abuts against the upper surface of the reference block, the horizontal shaft lever is positioned below the rotating module, the gravity center of the rotating module and the reference block are positioned on the same side of the horizontal shaft lever, so that the rotating module abuts against the upper surface of the reference block under the action of self weight, the stud limiting holes are vertically distributed, the stud limiting holes are positioned above the reference block, the openings of the stud limiting holes face the bolt head forming holes,
when the rotating module is abutted against the reference block and the punching die is abutted against the rotating module, the clamping block of the elastic clamping hook is positioned below the clamping block,
in the process that the lifting execution mechanism drives the punching die self-rotation module to move upwards, the punching die is separated from the rotation module firstly, then, the clamping block is contacted with the clamping block and drives the rotation module to rotate around the horizontal shaft rod, so that the gravity center and the reference block of the rotation module are positioned on two opposite sides of the horizontal shaft rod, the rotation module rotates downwards around the horizontal shaft rod under the action of self weight and supports on the bottom frame, and after the rotation module supports on the bottom frame, the opening of the stud limiting hole inclines downwards.
The vertical cold heading forming equipment for the bolts utilizes the scheme to form the bolts through cold heading, only two steps of operation are needed, the rotating module rotates around the horizontal shaft rod and is abutted against the upper surface of the reference block, the material rod is positioned in the stud limiting hole, then the lifting execution mechanism drives the stamping die to move from top to bottom in place, then the lifting execution mechanism drives the stamping die to move from the rotating module to top in place, the cold heading forming of the bolts and the automatic mold discharging of the cold heading forming bolts can be realized, the ejection mechanism is not needed to eject the bolts for the cold heading forming, the cold heading process steps of the bolts are effectively simplified, the cold heading forming operation of the bolts is convenient, the faults caused by the cold heading process steps of the bolts can be avoided, the bolts are extruded and damaged, and the problem that the ejection mechanism of the cold heading equipment for the bolts is damaged can be avoided.
On the other hand, compared with the vertical bolt forming machine which is filed with application number 2020108222250 by the inventor at 8/16/2020 and is named as the invention, the bolt vertical cold heading forming equipment of the scheme omits the first gear, the second gear, the translation rack, the one-way bearing and the matching relation among the first gear, the second gear, the translation rack and the one-way bearing, greatly simplifies the structure of the forming machine and is convenient for actual production and manufacturing.
Furthermore, the lifting device also comprises a vertical guide sleeve arranged on the upper bracket and a vertical guide rod sliding along the vertical guide sleeve, and the lower end of the vertical guide rod is connected with the lifting bracket.
Furthermore, a limiting block is arranged on the vertical guide rod and is positioned below the vertical guide sleeve.
Furthermore, the upper surface of the reference block is horizontally distributed.
Furthermore, the elastic clamping hook comprises elastic arms which are vertically distributed, and the clamping block is arranged at the lower ends of the elastic arms.
Further, the elastic arm is formed by a spring piece.
Furthermore, the lifting actuating mechanism is a lifting oil cylinder or a lifting electric cylinder.
The invention has the beneficial effects that: not only can the structure be effectively simplified, but also the actual production and manufacture are convenient; and convenient operation can effectively simplify bolt cold-heading process steps, can also effectively solve simultaneously because of the bolt cold-heading process step makes mistakes, and lead to the bolt to be extruded and destroyed, leads to the destroyed problem of ejection mechanism of bolt cold-heading equipment even.
Drawings
FIG. 1 is a schematic structural diagram of the vertical bolt cold heading forming equipment.
Fig. 2 is a schematic structural view of the vertical bolt cold heading forming apparatus of the present invention in which the rotary die block abuts against the upper surface of the reference block and the die abuts against the rotary die block.
Fig. 3 is a schematic structural diagram of the vertical bolt cold heading forming device in the process that the lifting actuator drives the die to move upwards from the rotating module.
Fig. 4 is a schematic structural view of the bolt vertical cold heading forming device of the invention when the rotating module is abutted against the underframe.
In the figure:
the device comprises a base frame 1 and a vertical column 1.1;
an upper bracket 2;
a reference block 3;
the module 4 is rotated, and the stud limiting hole 4.1 is formed;
a die 5, a bolt head forming hole 5.1;
a lifting bracket 6;
a lifting actuator 7;
a horizontal shaft 8;
the elastic clamping hook 9, the clamping block 9.1 and the elastic arm 9.2;
a clamping block 10;
a vertical guide sleeve 13;
a vertical guide bar 14;
and a limiting block 15.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
Specific example 1: as shown in fig. 1, a vertical bolt cold heading forming device comprises an underframe 1, an upright post 1.1 arranged on the underframe, an upper support 2 fixed on the upper part of the upright post, a lifting support 6 positioned below the upper support, a lifting execution mechanism 7 arranged on the upper support and used for lifting the lifting support, a stamping die 5 arranged on the lifting support, a bolt head forming hole 5.1 arranged on the lower surface of the stamping die, a rotating module 4 rotatably arranged on the underframe through a horizontal shaft lever 8, a stud limiting hole 4.1 arranged on the rotating module, a reference block 3 arranged on the underframe and used for positioning the rotating module, a clamping block 10 arranged on the outer side surface of the rotating module and an elastic clamping hook 9 arranged on the lifting support. The opening of the bolt head forming hole faces the reference block. The lower surface of the punch die where the bolt head forming holes are located is horizontally distributed. The lifting actuating mechanism is a lifting oil cylinder or a lifting electric cylinder. In this embodiment, the stud limiting holes are blind holes, and the upper surfaces of the reference blocks are distributed horizontally.
As shown in fig. 1, when the rotating module rotates around the horizontal shaft and abuts against the upper surface of the reference block, the horizontal shaft is located below the rotating module, and the center of gravity of the rotating module and the reference block are located on the same side of the horizontal shaft (i.e., a vertical line passing through the center of gravity of the rotating module and the reference block are located on the same side of the horizontal shaft), so that the rotating module abuts against the upper surface of the reference block under the action of self-weight; the clamping block and the reference block are positioned on the same side of the horizontal shaft rod; the stud limiting holes are vertically distributed, the stud limiting holes are located above the reference block, the openings of the stud limiting holes face the bolt head forming holes, and the surfaces of the rotating modules where the stud limiting holes are located are distributed in a horizontal state.
As shown in fig. 2, when the rotating module abuts against the upper surface of the reference block and the die abuts against the rotating module, the latch 9.1 of the elastic hook is located below the latch 10.
As shown in fig. 3 and 4, in the process that the lifting execution mechanism drives the die self-rotation module to move upwards, the die is separated from the rotation module firstly, then, the clamping block is contacted with the clamping block, and the rotation module is driven to rotate around the horizontal shaft rod, so that the gravity center of the rotation module and the reference block are positioned on two opposite sides of the horizontal shaft rod (even though the vertical line of the gravity center of the rotation module and the reference block are positioned on two opposite sides of the horizontal shaft rod), and the rotation module rotates downwards around the horizontal shaft rod under the action of self weight and supports against the bottom frame. As shown in fig. 4, after the rotating module is abutted against the bottom frame, the opening of the stud limiting hole is inclined downward, in this embodiment, after the rotating module is abutted against the bottom frame, the opening of the stud limiting hole is inclined downward, and the inclination angle of the stud limiting hole is 20-60 degrees.
As shown in fig. 1, the vertical bolt cold heading forming apparatus further includes a vertical guide sleeve 13 disposed on the upper bracket and a vertical guide rod 14 sliding along the vertical guide sleeve. The lower end of the vertical guide rod is connected with the lifting bracket. Thus, the movement stability of the translation bracket can be improved. And a limiting block 15 is arranged on the vertical guide rod and is positioned below the vertical guide sleeve.
The concrete cold heading process steps of the bolt cold heading forming of the vertical cold heading forming equipment for the bolt of the embodiment are as follows:
firstly, as shown in fig. 1, rotating the rotating module around a horizontal shaft lever and abutting against the upper surface of the reference block, so that the rotating module abuts against the upper surface of the reference block under the action of self weight; and placing the material rod into the stud limiting hole, wherein the lower end of the material rod is abutted against the inner bottom surface of the stud limiting hole.
Secondly, as shown in fig. 2, the lifting actuating mechanism drives the die to move from top to bottom until the die abuts against the upper surface of the rotating module, so that the material rod is subjected to cold heading forming in the stud limiting hole and the bolt head forming hole; meanwhile, the clamping block of the elastic clamping hook is positioned below the clamping block.
Then, as shown in fig. 3 and 4, the lifting execution mechanism drives the die to move upwards from the rotating module until the limiting block abuts against the vertical guide sleeve, and in the process, the die is separated from the rotating module firstly so as to separate the bolt head of the cold heading forming bolt from the bolt head forming hole; then, the fixture block contacts with the clamping block and drives the rotating module to rotate around the horizontal shaft rod, so that the gravity center of the rotating module and the reference block are located on two opposite sides of the horizontal shaft rod, and the rotating module rotates downwards around the horizontal shaft rod under the action of self weight and supports against the side face of the bottom frame. As shown in fig. 4, after the rotating module is abutted against the side face of the chassis, the opening of the stud limiting hole is inclined downwards, so that the cold heading forming bolt in the stud limiting hole slides down under the action of self weight, automatic mold stripping of the cold heading forming bolt is realized, and the cold heading forming bolt is not required to be ejected by an ejection mechanism.
The vertical cold heading forming equipment for the bolts utilizes the scheme to form the bolts through cold heading, only two steps of operation are needed, the rotating module rotates around the horizontal shaft rod and is abutted against the upper surface of the reference block, the material rod is positioned in the stud limiting hole, then the lifting execution mechanism drives the stamping die to move from top to bottom in place, then the lifting execution mechanism drives the stamping die to move from the rotating module to top in place, the cold heading forming of the bolts and the automatic mold discharging of the cold heading forming bolts can be realized, the ejection mechanism is not needed to eject the bolts for the cold heading forming, the cold heading process steps of the bolts are effectively simplified, the cold heading forming operation of the bolts is convenient, the faults caused by the cold heading process steps of the bolts can be avoided, the bolts are extruded and damaged, and the problem that the ejection mechanism of the cold heading equipment for the bolts is damaged can be avoided.
Claims (7)
1. A vertical cold heading forming device for a bolt is characterized by comprising an underframe, an upright post arranged on the underframe, an upper support fixed on the upper part of the upright post, a lifting support positioned below the upper support, a lifting executing mechanism arranged on the upper support and used for lifting the lifting support, a stamping die arranged on the lifting support, a bolt head forming hole arranged on the lower surface of the stamping die, a rotating module arranged on the underframe through rotation of a horizontal shaft rod, a stud limiting hole arranged on the rotating module, a reference block arranged on the underframe and used for positioning the rotating module, a clamping block arranged on the outer side surface of the rotating module and an elastic clamping hook arranged on the lifting support, wherein the opening of the bolt head forming hole faces the reference block, the elastic clamping hook comprises a clamping block matched with the clamping block,
when the rotating module rotates around the horizontal shaft lever and abuts against the upper surface of the reference block, the horizontal shaft lever is positioned below the rotating module, the gravity center of the rotating module and the reference block are positioned on the same side of the horizontal shaft lever, so that the rotating module abuts against the upper surface of the reference block under the action of self weight, the stud limiting holes are vertically distributed, the stud limiting holes are positioned above the reference block, the openings of the stud limiting holes face the bolt head forming holes,
when the rotating module is abutted against the reference block and the punching die is abutted against the rotating module, the clamping block of the elastic clamping hook is positioned below the clamping block,
in the process that the lifting execution mechanism drives the punching die self-rotation module to move upwards, the punching die is separated from the rotation module firstly, then, the clamping block is contacted with the clamping block and drives the rotation module to rotate around the horizontal shaft rod, so that the gravity center and the reference block of the rotation module are positioned on two opposite sides of the horizontal shaft rod, the rotation module rotates downwards around the horizontal shaft rod under the action of self weight and supports on the bottom frame, and after the rotation module supports on the bottom frame, the opening of the stud limiting hole inclines downwards.
2. The vertical cold heading forming device for the bolt as claimed in claim 1, further comprising a vertical guide sleeve disposed on the upper frame and a vertical guide rod sliding along the vertical guide sleeve, wherein the lower end of the vertical guide rod is connected to the lifting frame.
3. The vertical cold heading forming device for the bolt as claimed in claim 2, wherein the vertical guide rod is provided with a limiting block, and the limiting block is positioned below the vertical guide sleeve.
4. The vertical bolt cold heading forming device as claimed in claim 1, 2 or 3, wherein the upper surface of the reference block is horizontally distributed.
5. The vertical bolt cold heading forming device as claimed in claim 1, 2 or 3, wherein the elastic hook comprises vertically distributed elastic arms, and the clamping block is arranged at the lower ends of the elastic arms.
6. The vertical bolt cold heading forming device as claimed in claim 5, wherein the resilient arm is formed of a leaf spring.
7. The vertical bolt cold heading forming device as claimed in claim 1, 2 or 3, wherein the lifting actuator is a lifting cylinder or an electric lifting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925045.5A CN112139421A (en) | 2020-09-06 | 2020-09-06 | Vertical cold heading former of bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925045.5A CN112139421A (en) | 2020-09-06 | 2020-09-06 | Vertical cold heading former of bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112139421A true CN112139421A (en) | 2020-12-29 |
Family
ID=73890268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010925045.5A Withdrawn CN112139421A (en) | 2020-09-06 | 2020-09-06 | Vertical cold heading former of bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112139421A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020381A (en) * | 2021-03-26 | 2021-06-25 | 浙江奥展航空科技有限公司 | Bolt forming device with discharging function and using method thereof |
-
2020
- 2020-09-06 CN CN202010925045.5A patent/CN112139421A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020381A (en) * | 2021-03-26 | 2021-06-25 | 浙江奥展航空科技有限公司 | Bolt forming device with discharging function and using method thereof |
| CN113020381B (en) * | 2021-03-26 | 2022-10-04 | 浙江奥展航空科技有限公司 | Bolt forming device with discharging function and using method thereof |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201229 |
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| WW01 | Invention patent application withdrawn after publication |