CN220241297U - Cold rolling pull rod dismounting device - Google Patents
Cold rolling pull rod dismounting device Download PDFInfo
- Publication number
- CN220241297U CN220241297U CN202321952409.4U CN202321952409U CN220241297U CN 220241297 U CN220241297 U CN 220241297U CN 202321952409 U CN202321952409 U CN 202321952409U CN 220241297 U CN220241297 U CN 220241297U
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- CN
- China
- Prior art keywords
- plate
- upper clamp
- clamp structure
- dismounting device
- pull rod
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- 238000005097 cold rolling Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model provides a cold rolling pull rod dismounting device which comprises a rack bottom plate, wherein a rack top plate is supported and installed at the top end of the rack bottom plate through supporting legs, support plates are symmetrically fixed at two sides of the top end of the rack top plate respectively, support transverse plates are correspondingly supported and installed at the top ends of two support plates positioned at the same side respectively, and a lower clamp structure is supported and installed at the top end of the rack top plate between the support plates; an upper clamp structure is arranged right above the lower clamp structure, the upper clamp structure is sleeved on the double-head screw, the bottom end of the double-head screw penetrates through the rack top plate and is locked and limited through the bottom nut, the other end of the top end of the double-head screw sequentially penetrates through the supporting transverse plate and the upper clamp structure, and the top end of the double-head screw tightly presses and limits the upper clamp structure through the top nut. The device ensures that the pull rod is completely fixed in the disassembling process, greatly shortens the disassembling time and ensures the safety.
Description
Technical Field
The utility model belongs to the field of cold working manufacturing devices of steel pipes, and particularly relates to a cold rolling pull rod dismounting device.
Background
The cold rolling of steel pipes is a common method for cold working of steel pipes, and is widely used for production because of the fact that the method of rolling has a certain repairing effect on the wall thickness difference of raw material steel pipes due to the fact that the method of rolling is good in thickness precision, roundness, roughness and the like. When the production specification changes, the corresponding roller and core rod need to be replaced according to the actual size. In the cold rolling process of the steel pipe, the pull rod drives the core rod and the steel pipe to continuously rotate, so that the binding force of the threads at the joint of the pull rod and the core rod is continuously enhanced, and the threads are slightly deformed, so that the core rod and the pull rod are difficult to detach. Because the cross section of the pull rod is generally circular, the surface of the pull rod is smoother, the effect of fixing by adopting similar pipe tongs is limited, and the pull rod and the core rod are time-consuming and labor-consuming in the disassembling process, so that the production progress is seriously influenced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the cold-rolled pull rod dismounting device, which ensures that the pull rod is completely fixed in the dismounting process, greatly shortens the dismounting time and ensures the safety.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the cold rolling pull rod dismounting device comprises a rack bottom plate, wherein a rack top plate is supported and mounted on the top end of the rack bottom plate through supporting legs, support plates are symmetrically fixed on two sides of the top end of the rack top plate respectively, support transverse plates are correspondingly supported and mounted on the top ends of two support plates positioned on the same side respectively, and a lower clamp structure is supported and mounted on the top end of the rack top plate between the support plates; an upper clamp structure is arranged right above the lower clamp structure, the upper clamp structure is sleeved on the double-head screw, the bottom end of the double-head screw penetrates through the rack top plate and is locked and limited through the bottom nut, the other end of the top end of the double-head screw sequentially penetrates through the supporting transverse plate and the upper clamp structure, and the top end of the double-head screw tightly presses and limits the upper clamp structure through the top nut.
And a plurality of middle reinforcing vertical plates which are symmetrically arranged are arranged in the middle between the rack bottom plate and the rack top plate.
The lower clamp structure comprises a lower clamp bottom plate, and a lower clamp is arranged at the top end of the lower clamp bottom plate.
The upper clamp structure comprises an upper clamp top plate, and an upper clamp is arranged at the bottom end of the upper clamp top plate.
V-shaped grooves matched with the outer wall of the pull rod are respectively processed on the lower clamp and the upper clamp, and a saw tooth slot is processed on the inner side wall of each V-shaped groove.
The support plate adopts a trapezoid plate structure.
The supporting legs are made of channel steel materials.
A plurality of round holes for installing foundation bolts are formed in the bottom plate of the frame.
The utility model has the following beneficial effects:
1. through adopting this practicality device, guaranteed that the pull rod is fixed completely in the dismantlement in-process, shortened the dismantlement time greatly, guaranteed the safety simultaneously.
2. The middle reinforcing vertical plate enhances the structural strength and stability of the support between the bottom plate and the top plate of the frame, and ensures the structural strength of the whole dismounting device.
3. The lower clamp structure can be used for carrying out bottom support on the pull rod.
4. The upper clamp structure can be used for pressing and fixing the top of the pull rod.
5. The friction force between the saw tooth grooves and the pull rod is increased, and the rotation of the saw tooth grooves and the pull rod is effectively prevented.
6. The double-end screw is a non-standard lengthened screw, and can be used for adjusting the clamping range of the clamp in a large range and adapting to a pull rod with a certain diameter range.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is a front view of the overall mounting structure of the present utility model.
Fig. 2 is a top view of the overall mounting structure of the present utility model.
Fig. 3 is a side view of the integral mounting structure of the present utility model.
Fig. 4 is a diagram showing the cooperation structure of the lower clamp structure and the upper clamp structure of the present utility model.
In the figure: the machine frame comprises a machine frame bottom plate 1, supporting legs 2, a machine frame top plate 3, a middle reinforcing vertical plate 4, a bottom nut 5, a supporting plate 6, a supporting transverse plate 7, an upper clamp top plate 8, a top nut 9, a double-headed screw 10, an upper clamp 11, a V-shaped groove 12, a lower clamp 13, a lower clamp bottom plate 14, a pull rod 15 and a saw tooth groove 16.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1-4, a cold rolling pull rod dismounting device comprises a rack bottom plate 1, wherein a rack top plate 3 is supported and installed at the top end of the rack bottom plate 1 through supporting legs 2, support plates 6 are symmetrically fixed at two sides of the top end of the rack top plate 3 respectively, support transverse plates 7 are correspondingly supported and installed at the top ends of two support plates 6 positioned at the same side respectively, and a lower clamp structure is supported and installed at the top end of the rack top plate 3 between the support plates 6; an upper clamp structure is arranged right above the lower clamp structure, the upper clamp structure is sleeved on the double-head screw rod 10, the bottom end of the double-head screw rod 10 penetrates through the rack top plate 3 and is locked and limited through the bottom nut 5, the other end of the top end of the double-head screw rod 10 sequentially penetrates through the supporting transverse plate 7 and the upper clamp structure, and the top end of the double-head screw rod 10 tightly presses and limits the upper clamp structure through the top nut 9. The device ensures that the pull rod is completely fixed in the disassembling process, greatly shortens the disassembling time and ensures the safety. In the specific use process, the pull rod 15 is arranged on the upper clamp structure and the lower clamp structure, then the top nut 9 is screwed down again, and the pull rod 15 is reliably pressed and fixed through the upper clamp structure.
Further, a plurality of middle reinforcing vertical plates 4 which are symmetrically arranged are arranged in the middle between the frame bottom plate 1 and the frame top plate 3. The middle reinforcing vertical plate 4 enhances the structural strength and stability of the support between the frame bottom plate 1 and the frame top plate 3, and ensures the structural strength of the whole dismounting device.
Further, the lower clamp structure comprises a lower clamp bottom plate 14, and a lower clamp 13 is arranged at the top end of the lower clamp bottom plate 14. The lower clamp structure can be used for carrying out bottom support on the pull rod.
Further, the upper clamp structure comprises an upper clamp top plate 8, and an upper clamp 11 is arranged at the bottom end of the upper clamp top plate 8. The upper clamp structure can be used for pressing and fixing the top of the pull rod.
Further, the lower clamp 13 and the upper clamp 11 are respectively provided with a V-shaped groove 12 which is used for being matched with the outer wall of the pull rod, and the inner side wall of the V-shaped groove 12 is provided with a sawtooth groove 16. The V-shaped groove 12 can be in contact fit with the outer wall of the pull rod, so that the reliable compression of the pull rod is realized. The friction force between the saw tooth grooves 16 and the pull rod is increased, and the rear of the saw tooth grooves is effectively prevented from rotating.
Further, the supporting plate 6 adopts a trapezoid plate structure. The reliability and stability of the support are ensured through the trapezoid board structure.
Further, the supporting leg 2 is made of channel steel materials. The structural strength of the steel is ensured by adopting channel steel materials.
Further, a plurality of round holes for installing foundation bolts are formed in the frame bottom plate 1. The reliable installation connection of the foundation bolts is guaranteed through the round holes.
Further, the double-end screw 10 is a non-standard lengthened screw, and can be used for adjusting the clamping range of the clamp in a large range and adapting to a pull rod with a certain diameter range.
The specific assembly and use process and principle of the utility model are as follows:
1. the pull rod 15 is placed on the lower clamp 13 of the lower clamp structure, and a plurality of grooves can be machined on the outer surface of the pull rod in the axial direction by a grinder in advance for better fixing the pull rod;
2. pressing the upper clamp 11 of the upper clamp structure on the pull rod to ensure that the sawtooth groove 16 of the clamp V-shaped groove 12 is meshed in the pull rod groove;
3. the lower clamp 13 and the upper clamp 11 are fixed by a double-head screw rod 10 and a top nut 9, the top nut 9 is tightly twisted, and a pull rod is fully fixed;
4. and (5) moving the core rod by using a spanner to detach.
Claims (8)
1. The utility model provides a cold rolling pull rod dismounting device which characterized in that: the machine frame comprises a machine frame bottom plate (1), wherein a machine frame top plate (3) is supported and installed at the top end of the machine frame bottom plate (1) through supporting legs (2), support plates (6) are symmetrically fixed at two sides of the top end of the machine frame top plate (3), support transverse plates (7) are correspondingly supported and installed at the top ends of two support plates (6) positioned at the same side respectively, and a lower clamp structure is supported and installed at the top end of the machine frame top plate (3) between the support plates (6); an upper clamp structure is arranged right above the lower clamp structure, the upper clamp structure is sleeved on a double-head screw rod (10), the bottom end of the double-head screw rod (10) penetrates through a rack top plate (3) and is locked and limited through a bottom nut (5), the other end of the top end of the double-head screw rod (10) sequentially penetrates through a supporting transverse plate (7) and the upper clamp structure, and the top end of the double-head screw rod (10) tightly presses and limits the upper clamp structure through a top nut (9).
2. The cold rolled draw bar dismounting device of claim 1, wherein: the middle part between the frame bottom plate (1) and the frame top plate (3) is provided with a plurality of middle reinforcing vertical plates (4) which are symmetrically arranged.
3. The cold rolled draw bar dismounting device of claim 1, wherein: the lower clamp structure comprises a lower clamp bottom plate (14), and a lower clamp (13) is arranged at the top end of the lower clamp bottom plate (14).
4. A cold rolled drawbar dismounting device according to claim 3, wherein: the upper clamp structure comprises an upper clamp top plate (8), and an upper clamp (11) is arranged at the bottom end of the upper clamp top plate (8).
5. The cold rolled bar dismounting device of claim 4 wherein: v-shaped grooves (12) matched with the outer wall of the pull rod are respectively machined on the lower clamp (13) and the upper clamp (11), and sawtooth grooves (16) are machined on the inner side walls of the V-shaped grooves (12).
6. The cold rolled draw bar dismounting device of claim 1, wherein: the support plate (6) adopts a trapezoid plate structure.
7. The cold rolled draw bar dismounting device of claim 1, wherein: the supporting legs (2) are made of channel steel materials.
8. The cold rolled draw bar dismounting device of claim 1, wherein: a plurality of round holes for installing foundation bolts are formed in the frame bottom plate (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321952409.4U CN220241297U (en) | 2023-07-24 | 2023-07-24 | Cold rolling pull rod dismounting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321952409.4U CN220241297U (en) | 2023-07-24 | 2023-07-24 | Cold rolling pull rod dismounting device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220241297U true CN220241297U (en) | 2023-12-26 |
Family
ID=89229886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321952409.4U Active CN220241297U (en) | 2023-07-24 | 2023-07-24 | Cold rolling pull rod dismounting device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220241297U (en) |
-
2023
- 2023-07-24 CN CN202321952409.4U patent/CN220241297U/en active Active
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