CN217528741U - Cold drawing die for pipe production - Google Patents
Cold drawing die for pipe production Download PDFInfo
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- CN217528741U CN217528741U CN202221689070.9U CN202221689070U CN217528741U CN 217528741 U CN217528741 U CN 217528741U CN 202221689070 U CN202221689070 U CN 202221689070U CN 217528741 U CN217528741 U CN 217528741U
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- centre form
- tubular product
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- dead lever
- external mold
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Abstract
The utility model discloses a cold drawing mould is used in tubular product production, including centre form, external mold and tubular product body, the centre form is located the inside of external mold, the surface at the centre form is established to tubular product body cover, the left side of external mold is provided with the fixing device body, the right side threaded connection of fixing device body has the dead lever, the right side of dead lever and the right side of tubular product body to centre form, the equal fixedly connected with stop gear in both sides on fixing device body right side. The utility model discloses a set up stop gear, can make stop gear carry on spacingly to the dead lever, can avoid using centre form and external mold during operation centre form to drop, can be convenient for carry on spacingly to the centre form, can be convenient for process the tubular product body, it is relatively poor at the spacing effect of internal mould to have solved this kind of cold-drawn mould, can lead to centre form and tubular product to remove together when the internal mould receives the great pulling force of tubular product, lead to the centre form to drop, reduced machining efficiency's problem.
Description
Technical Field
The utility model relates to a cold drawing mould technical field specifically is cold drawing mould is used in tubular product production.
Background
In the seamless steel tube cold drawing process, the steel tube is divided into wall reducing and diameter expanding processing and wall reducing and diameter reducing processing, the two processing mainly differ in the wall reducing and diameter expanding processing mode, in the wall reducing and diameter expanding processing, the inner die bears larger deformation resistance in the wall reducing process, otherwise, the inner die is an outer die, the wall of the wall reducing refers to the outer diameter of the steel tube, the diameter of the diameter expanding refers to the inner diameter of the steel tube, the cold drawing die comprises a conical inner die and an outer die, and a plurality of groups of corresponding diameter-changing fixed belts are formed between the outer wall of the conical inner die and the inner wall of the outer die and are used for performing the wall reducing and diameter expanding processing on the steel tube.
At present, chinese utility model publication No. CN206794392U discloses a steel pipe cold drawing mould, including centre form and external mold, the external mold is installed on the drawbench, the centre form cartridge is in the hole of external mold, the centre form passes through tie rod assembly and is connected with drawbench pull rod fixing base, treats that the blank passes through from the clearance between centre form and the external mold, tie rod assembly includes screw thread fixed connection's connecting screw rod and fixing bolt, its characterized in that: the steel pipe cold-drawing die further comprises a conical intermediate piece which is sleeved on the fixing bolt, the inner die is sleeved on the fixing bolt and the conical intermediate piece, a central hole is formed in the center of the inner die, the front portion of the central hole is in threaded connection with the fixing bolt, the rear portion of the central hole is in threaded connection with the conical intermediate piece in a sleeved mode, a first nut which limits the front end of the inner die and a second nut which limits the rear end of the conical intermediate piece are in threaded connection with the fixing bolt, the limiting effect of the cold-drawing die on the inner die is poor, the inner die and the pipe can be moved together when the inner die receives large tensile force of the pipe, the inner die is led to fall off, and the machining efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
For solving the problem that provides in the above-mentioned background art, the utility model aims to provide a cold drawing mould is used in tubular product production has possessed the spacing advantage of being convenient for, has solved this kind of cold drawing mould and relatively poor in the spacing effect of internal mould, can lead to centre form and tubular product to remove together when the internal mould receives the great pulling force of tubular product, leads to the centre form to drop, has reduced machining efficiency's problem.
In order to achieve the above object, the utility model provides a following technical scheme: cold drawing mould is used in tubular product production, including centre form, external mold and tubular product body, the centre form is located the inside of external mold, the surface at the centre form is established to tubular product body cover, the left side of external mold is provided with the fixing device body, the right side threaded connection of fixing device body has the dead lever, the right side of dead lever and the right side of tubular product body to centre form, the equal fixedly connected with stop gear in both sides on fixing device body right side.
As the utility model discloses it is preferred, stop gear includes the stopper, the spacing groove has been seted up to the inboard of stopper, the inside swing joint of spacing groove has the fixed block.
As the utility model discloses preferred, the laminating groove has been seted up to the inboard of fixed block, the dead lever meshes with the laminating groove mutually.
As the utility model discloses it is preferred, the top fixedly connected with connecting plate of fixed block, the connecting plate is made for elastic material.
As the utility model discloses it is preferred, the top fixedly connected with connecting block of connecting plate, the top swing joint of connecting block has the regulation pole, the top of adjusting the pole runs through to the top and the stopper threaded connection of stopper.
As the utility model discloses it is preferred, the front swing joint of stopper has the baffle, the baffle is located the front of fixed block.
As the utility model discloses it is preferred, the equal threaded connection in both sides on baffle right side has the spacer pin, baffle and stopper swing joint are run through at the back of spacer pin.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up stop gear, can make stop gear carry on spacingly to the dead lever, can avoid using centre form and external mold during operation centre form to drop, can be convenient for carry on spacingly to the centre form, can be convenient for process the tubular product body, it is relatively poor to the spacing effect of internal mould to have solved this kind of cold drawing mould, can lead to centre form and tubular product to remove together when the internal mould receives the great pulling force of tubular product, lead to the centre form to drop, the problem of machining efficiency has been reduced, the spacing advantage of being convenient for has been possessed.
2. The utility model discloses a set up stop gear, can the fixed block install the spacing inslot, can make the fixed block support the dead lever tightly, can be convenient for carry on spacingly to the dead lever, can avoid dead lever and the separation of fixing device body to lead to the condition that the centre form dropped to take place, through setting up the connecting plate, can make the connecting plate be connected fixed block and connecting block, the connecting plate that elastic material made simultaneously can be convenient for the connecting block to support tightly to the fixed block.
3. The utility model discloses a set up the laminating groove, can be convenient for make the fixed block through laminating groove and dead lever laminating, can be convenient for carry on spacingly to the fixed block to the dead lever, through setting up the connecting block and adjusting the pole, can be convenient for will adjust the pole rotation, make the regulation pole with the connecting block downstream, can make the connecting block support the fixed block tightly downwards through the connecting plate, make the fixed block carry on spacingly to the dead lever, can be convenient for adjust the fixed block.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. an inner mold; 2. outer mold; 3. a tube body; 4. a fixing device body; 5. a fixing rod; 6. a limiting mechanism; 61. a limiting block; 62. a limiting groove; 63. a fixed block; 7. a fitting groove; 8. a connecting plate; 9. connecting blocks; 10. adjusting a rod; 11. a baffle plate; 12. and a limiting pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the utility model provides a cold drawing mould is used in tubular product production, including centre form 1, external mold 2 and tubular product body 3, centre form 1 is located the inside of external mold 2, and the surface at centre form 1 is established to tubular product body 3 cover, and the left side of external mold 2 is provided with fixing device body 4, and fixing device body 4's right side threaded connection has dead lever 5, the right side of dead lever 5 and tubular product body 3 to centre form 1's right side, the equal fixedly connected with stop gear 6 in both sides on fixing device body 4 right side.
Referring to fig. 3, the limiting mechanism 6 includes a limiting block 61, a limiting groove 62 is formed in the inner side of the limiting block 61, and a fixing block 63 is movably connected to the inside of the limiting groove 62.
As the utility model discloses a technical optimization scheme, through setting up stop gear 6, can the fixed block 63 install the spacing groove 62 in, can make the fixed block 63 support tightly dead lever 5, can be convenient for carry on spacingly to dead lever 5, can avoid dead lever 5 and the separation of fixing device body 4 to lead to the condition that centre form 1 dropped to take place.
Referring to fig. 3, an attaching groove 7 is formed at an inner side of the fixing block 63, and the fixing lever 5 is engaged with the attaching groove 7.
As the utility model discloses a technical optimization scheme, through setting up laminating groove 7, can be convenient for make fixed block 63 laminate through laminating groove 7 and dead lever 5, can be convenient for carry on spacingly to dead lever 5 to fixed block 63.
Referring to fig. 3, a connecting plate 8 is fixedly connected to the top of the fixing block 63, and the connecting plate 8 is made of an elastic material.
As the utility model discloses a technical optimization scheme through setting up connecting plate 8, can make connecting plate 8 be connected fixed block 63 and connecting block 9, and connecting plate 8 that elastic material made simultaneously can be convenient for connecting block 9 and support tightly fixed block 63.
Referring to fig. 3, the top of the connecting plate 8 is fixedly connected with a connecting block 9, the top of the connecting block 9 is movably connected with an adjusting rod 10, and the top of the adjusting rod 10 penetrates through the top of the limiting block 61 and is in threaded connection with the limiting block 61.
As the utility model discloses a technical optimization scheme, through setting up connecting block 9 and adjusting pole 10, can be convenient for adjust pole 10 rotation, make and adjust pole 10 with connecting block 9 downstream, can make connecting block 9 support fixed block 63 tight downwards through connecting plate 8, make fixed block 63 carry on spacingly to dead lever 5, can be convenient for adjust fixed block 63.
Referring to fig. 3, the front surface of the limiting block 61 is movably connected with a baffle 11, and the baffle 11 is located on the front surface of the fixing block 63.
As the utility model discloses a technical optimization scheme through setting up baffle 11, can make baffle 11 protect fixed block 63, can make baffle 11 take out fixed block 63 after opening simultaneously, can be convenient for change fixed block 63.
Referring to fig. 3, both sides of the right side of the baffle 11 are in threaded connection with a limit pin 12, and the back of the limit pin 12 penetrates through the baffle 11 and is movably connected with a limit block 61.
As a technical optimization scheme of the utility model, through setting up spacer pin 12, can be convenient for make spacer pin 12 carry on spacingly to baffle 11, can be convenient for with baffle 11 closed.
The utility model discloses a theory of operation and use flow: install the right side of fixing device body 4 with dead lever 5 when using, install the surface of dead lever 5 with centre form 1 afterwards, and use the nut to fix centre form 1, rotate adjustment pole 10 after that, make adjustment pole 10 promote connecting block 9 and remove to the direction of dead lever 5, can promote fixed block 63 through connecting plate 8 when connecting block 9 removes, make the inboard laminating groove 7 of fixed block 63 and the surface laminating of dead lever 5, make fixed block 63 support tight to dead lever 5, avoid centre form 1 to be pulled the displacement to appear when processing tubular product body 3, can avoid dead lever 5 and the condition that fixing device body 4 separation leads to centre form 1 to drop to take place, when laminating groove 7 is impaired, extract spacer pin 12, overturn baffle 11, after that fixed block 63 stimulates the front side, make connecting block 9 and adjusting pole 10 separate, take out fixed block 63, install new fixed block 63, connecting plate 8 and connecting block 9 afterwards, and install the inboard of adjusting pole 10, then close baffle 11, pass spacer pin 12 and stopper 61, carry out spacing threaded connection to baffle 11, can be convenient for spacing baffle 1.
In conclusion: this cold-drawing mould is used in tubular product production, through setting up stop gear 6, can make stop gear 6 carry on spacingly to dead lever 5, can avoid using centre form 1 and 2 during operation centre forms 1 of external mold to drop, can be convenient for carry on spacingly to centre form 1, can be convenient for process tubular product body 3, it is relatively poor to have solved this kind of cold-drawing mould at the spacing effect of internal mold, can lead to centre form and tubular product to remove together when the internal mold receives the great pulling force of tubular product, lead to the centre form to drop, the problem of machining efficiency has been reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Cold drawing mould is used in tubular product production, including centre form (1), external mold (2) and tubular product body (3), its characterized in that: centre form (1) is located the inside of external mold (2), the surface at centre form (1) is established to tubular product body (3) cover, the left side of external mold (2) is provided with fixing device body (4), the right side threaded connection of fixing device body (4) has dead lever (5), the right side of dead lever (5) and tubular product body (3) to the right side of centre form (1), the equal fixedly connected with stop gear (6) in both sides on fixing device body (4) right side.
2. The cold-drawing die for pipe production according to claim 1, wherein: stop gear (6) include stopper (61), spacing groove (62) have been seted up to the inboard of stopper (61), the inside swing joint of spacing groove (62) has fixed block (63).
3. The cold-drawing die for pipe production according to claim 2, wherein: the inner side of the fixing block (63) is provided with a fitting groove (7), and the fixing rod (5) is meshed with the fitting groove (7).
4. The cold-drawing die for pipe production according to claim 2, wherein: the top of fixed block (63) is fixedly connected with connecting plate (8), connecting plate (8) are made for elastic material.
5. The cold-drawing die for pipe production according to claim 4, wherein: the top fixedly connected with connecting block (9) of connecting plate (8), the top swing joint of connecting block (9) has regulation pole (10), the top of adjusting pole (10) is run through to the top and stopper (61) threaded connection of stopper (61).
6. The cold-drawing die for pipe production according to claim 2, wherein: the front face of the limiting block (61) is movably connected with a baffle (11), and the baffle (11) is located on the front face of the fixing block (63).
7. The cold-drawing die for pipe production according to claim 6, wherein: both sides on baffle (11) right side all threaded connection have spacer pin (12), the back of spacer pin (12) runs through baffle (11) and stopper (61) swing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221689070.9U CN217528741U (en) | 2022-07-02 | 2022-07-02 | Cold drawing die for pipe production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221689070.9U CN217528741U (en) | 2022-07-02 | 2022-07-02 | Cold drawing die for pipe production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217528741U true CN217528741U (en) | 2022-10-04 |
Family
ID=83421152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221689070.9U Active CN217528741U (en) | 2022-07-02 | 2022-07-02 | Cold drawing die for pipe production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217528741U (en) |
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2022
- 2022-07-02 CN CN202221689070.9U patent/CN217528741U/en active Active
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