CN219944241U - Bending tool for round tube - Google Patents
Bending tool for round tube Download PDFInfo
- Publication number
- CN219944241U CN219944241U CN202320155711.0U CN202320155711U CN219944241U CN 219944241 U CN219944241 U CN 219944241U CN 202320155711 U CN202320155711 U CN 202320155711U CN 219944241 U CN219944241 U CN 219944241U
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- base
- bending tool
- sliding blocks
- die
- bending
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- 238000005452 bending Methods 0.000 title claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a bending tool for a circular tube, which is arranged on a press machine and comprises a base, an upper die and a lower die, wherein the base is U-shaped and fixedly arranged on a workbench of the press machine, an upper forming groove is formed in the lower part of the upper die, the lower die is fixedly arranged at the lower end of a main shaft of the press machine, two lower dies are respectively arranged on two sides of the upper die and are respectively positioned between two vertical sections of the base, the upper part of the lower die is provided with a lower forming groove, and the lower die is slidably arranged on the base along the length direction of the base and is rotationally connected with the base. The utility model aims to solve or at least reduce the problems that the existing bending tool is low in applicability and needs to be replaced when bending at different angles is processed, and provides a bending tool for a circular tube.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a bending tool for a circular tube.
Background
In the existing round tube processing technology, bending processing is often required for round tubes. The existing bending mode is usually carried out manually, so that the efficiency is low, and the bending precision is low. The pipe is not easy to bend, and the bending part is seriously deformed after bending, so that the pipe is not easy to recover.
Most of the existing bending tools can only bend a bending angle at a fixed angle, and the applicability is low; when bending at different angles, bending tools with different specifications are needed, and the production cost is increased to a certain extent.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, solve or at least reduce the problems that the existing bending tool has lower applicability and needs to be replaced with bending tools of different specifications when bending at different angles is processed, and provide the bending tool for the circular tube.
The utility model is realized by the following technical scheme:
the utility model provides a frock of bending for pipe, the frock of bending sets up in the press, includes base, last mould and lower mould, the base is the U-shaped and fixed setting on the workstation of press, it is provided with the shaping groove to go up the mould lower part, and the lower mould is fixed to be set up in the main shaft lower extreme of press, two the lower mould sets up respectively in last mould both sides and all is located between two vertical sections of base, and lower mould upper portion is provided with down the shaping groove, and the lower mould slides along base length direction and sets up in the base and rotates with the base to be connected.
In order to further realize the utility model, the following technical scheme can be preferably selected:
preferably, the upper forming groove of the upper die is in a shape of a circular arc with a downward convex, and the lower forming groove of the lower die is in a shape of a straight line and a semicircular section with a concave shape.
Preferably, the positioning assembly is arranged on the base in a sliding mode along the length direction of the base, the number of the positioning assemblies is two, the positioning assemblies are arranged in one-to-one correspondence with two lower dies, each positioning assembly comprises two sliding blocks, two sides of each lower die are fixedly and rotatably arranged on the two sliding blocks, and the sliding blocks are arranged on the base in a sliding mode along the length direction of the base.
Preferably, the two vertical sections of the base are provided with concave sliding grooves along the length direction, and the two sliding blocks of the positioning assembly are respectively arranged in the two sliding grooves in a sliding manner.
Preferably, the positioning assembly further comprises a rotating shaft, the rotating shaft is transversely arranged between the two sliding blocks of the positioning assembly, two ends of the rotating shaft are fixedly connected with the two sliding blocks respectively, and the lower die is rotationally sleeved in the middle of the rotating shaft.
Preferably, an adjusting screw rod is arranged in the sliding groove of the base along the length direction of the sliding groove, the adjusting screw rod is rotationally connected with the base, and two sliding blocks in the sliding groove are sleeved on the adjusting screw rod in a threaded mode.
Preferably, one end of the adjusting screw rod is a positive screw thread, the other end of the adjusting screw rod is a negative screw thread, and two sliding blocks on the adjusting screw rod are oppositely arranged on two sides of the lower die.
Preferably, the upper end of the upper die is vertically provided with a transmission rod, the middle part of the transmission rod is longitudinally arranged on the base in a sliding manner, and the upper end and the lower end of the transmission rod are respectively detachably connected with a main shaft and the upper die of the press.
Preferably, the upper side of the horizontal section of the base is provided with a backing plate, the backing plate is in a flat plate shape, and the lower surface of the backing plate is attached to the upper surface of the horizontal section of the base.
Through the technical scheme, the utility model has the beneficial effects that:
the utility model is provided with an upper die and two lower dies which are respectively positioned at two sides of the upper die and are both rotatably arranged. When in bending forming, the upper die is lifted firstly, and a round pipe to be bent filled with fine sand is horizontally placed in a lower forming groove of the lower die; the upper die moves downwards and abuts against the round tube, the round tube is bent under pressure, meanwhile, the lower die rotates along with the bending of the round tube, bending points cannot be formed on the lower side of the round tube, and the forming effect is guaranteed.
The two lower dies can synchronously adjust the transverse relative positions of the two lower dies and the upper die, and limit pressing distances of the lower dies are limited by changing the backing plates with different thicknesses, so that the round tube is folded into bent angles with different angles.
The utility model has the advantages of dual purposes, material and cost saving, no eccentricity in machining by using the lathe, good parallelism and stability, reduced lathe precision, convenient clamping, easy alignment, easy assurance of dimensional tolerance and form and position tolerance, reduced machining cost and improved efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the structure of the present utility model;
FIG. 3 is a schematic view of the structure of the base of the present utility model;
FIG. 4 is a schematic view of a positioning assembly according to the present utility model;
FIG. 5 is a schematic view of the upper die of the present utility model;
FIG. 6 is a structural cross-sectional view of the upper die of the present utility model;
FIG. 7 is a schematic view of the lower die of the present utility model;
fig. 8 is a structural cross-sectional view of the lower die of the present utility model;
wherein: 1-a base; 2-upper die; 3-lower die; 4-a slider; 5-rotating shaft; 6-adjusting a screw rod; 7-a transmission rod; 8-backing plate.
Description of the embodiments
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-8, a bending tool for a round tube is arranged on a press and comprises a base 1, an upper die 2 and a lower die 3, wherein the base 1 is U-shaped and fixedly arranged on a workbench of the press, an upper forming groove is formed in the lower portion of the upper die 2, the lower die 3 is fixedly arranged at the lower end of a main shaft of the press, two lower dies 3 are respectively arranged on two sides of the upper die 2 and are respectively positioned between two vertical sections of the base 1, a lower forming groove is formed in the upper portion of the lower die 3, and the lower die 3 is slidably arranged on the base 1 along the length direction of the base 1 and is rotationally connected with the base 1.
In order to ensure the molding effect, in this embodiment, the upper molding groove of the upper mold 2 is in a convex arc shape, and the lower molding groove of the lower mold 3 is in a straight line shape and has a concave semicircular cross section.
In order to adjust the bending angle, the bending tool further comprises positioning components, the positioning components are arranged on the base 1 in a sliding mode along the length direction of the base 1, the number of the positioning components is two and are in one-to-one correspondence with two lower dies 3, the positioning components comprise two sliding blocks 4, two sides of the lower dies 3 are fixedly and rotatably arranged on the two sliding blocks 4 respectively, and the sliding blocks 4 are arranged on the base 1 in a sliding mode along the length direction of the base 1; the upper side of the horizontal section of the base 1 is provided with a backing plate 8, the backing plate 8 is in a flat plate shape, and the lower surface of the backing plate 8 is attached to the upper surface of the horizontal section of the base 1.
In order to optimize the product structure, two vertical sections of the base 1 are provided with concave sliding grooves along the length direction, two sliding blocks 4 of the positioning assembly are respectively arranged in the two sliding grooves in a sliding manner, the positioning assembly further comprises a rotating shaft 5, the rotating shaft 5 is transversely arranged between the two sliding blocks 4 of the positioning assembly, two ends of the rotating shaft 5 are respectively fixedly connected with the two sliding blocks 4, and the lower die 3 is rotationally sleeved at the middle part of the rotating shaft 5.
In order to facilitate the adjustment of the distance between the two sliding blocks 4 in the sliding groove and the positioning, an adjusting screw rod 6 is arranged in the sliding groove of the base 1 along the length direction of the sliding groove, the adjusting screw rod 6 is rotationally connected with the base 1, the two sliding blocks 4 in the sliding groove are sleeved on the adjusting screw rod 6 through threads, one end of the adjusting screw rod 6 is a positive thread, the other end of the adjusting screw rod 6 is a reverse thread, and the two sliding blocks 4 on the adjusting screw rod 6 are oppositely arranged on two sides of the lower die 3.
In order to ensure the stability of the movement of the upper die 2, the upper end of the upper die 2 is vertically provided with a transmission rod 7, the middle part of the transmission rod 7 is longitudinally and slidably arranged on the base 1, and the upper end and the lower end of the transmission rod 7 are respectively detachably connected with a main shaft of a press machine and the upper die 2.
The utility model is provided with an upper die 2 and two lower dies 3, wherein the two lower dies 3 are respectively positioned at two sides of the upper die 2 and are both rotatably arranged. When in bending forming, the upper die 2 is lifted firstly, and a round pipe to be bent filled with fine sand is horizontally placed in a lower forming groove of the lower die 3; the upper die 2 moves downwards and abuts against the round tube, the round tube is bent under pressure, meanwhile, the lower die 3 rotates along with the bending of the round tube, bending points cannot be formed on the lower side of the round tube, and the forming effect is guaranteed.
The two lower dies 3 can synchronously adjust the transverse relative positions of the upper dies 2, and limit the pressing distance of the lower dies 3 by changing the backing plates 8 with different thicknesses, so that the round tube is folded into bent angles with different angles.
The utility model has the advantages of dual purposes, material and cost saving, no eccentricity in machining by using the lathe, good parallelism and stability, reduced lathe precision, convenient clamping, easy alignment, easy assurance of dimensional tolerance and form and position tolerance, reduced machining cost and improved efficiency.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. The utility model provides a frock of bending for pipe, frock of bending sets up in the press, a serial communication port, including base (1), go up mould (2) and lower mould (3), base (1) are the U-shaped and fixed set up on the workstation of press, go up mould (2) lower part and be provided with the shaping groove, lower mould (3) are fixed to be set up in the main shaft lower extreme of press, two lower mould (3) set up respectively in last mould (2) both sides and all are located between two vertical sections of base (1), lower mould (3) upper portion is provided with down the shaping groove, lower mould (3) are followed base (1) length direction and are slided and set up in base (1) and rotate with base (1) and be connected.
2. The bending tool for round pipes according to claim 1, wherein the upper forming groove of the upper die (2) is in a shape of a circular arc with a downward convex, and the lower forming groove of the lower die (3) is in a shape of a straight line and a section of the lower forming groove is in a shape of a semicircular concave.
3. The bending tool for the round pipe according to claim 1, further comprising positioning components, wherein the positioning components are slidably arranged on the base (1) along the length direction of the base (1), the number of the positioning components is two and are in one-to-one correspondence with two lower dies (3), the positioning components comprise two sliding blocks (4), two sides of each lower die (3) are fixedly and rotatably arranged on the two sliding blocks (4), and the sliding blocks (4) are slidably arranged on the base (1) along the length direction of the base (1).
4. A bending tool for round pipes according to claim 3, wherein concave sliding grooves are formed in the outer sides of two vertical sections of the base (1) along the length direction of the two vertical sections, and two sliding blocks (4) of the positioning assembly are respectively arranged in the two sliding grooves in a sliding manner.
5. The bending tool for the round pipe according to claim 4, wherein the positioning assembly further comprises a rotating shaft (5), the rotating shaft (5) is transversely arranged between two sliding blocks (4) of the positioning assembly, two ends of the rotating shaft (5) are fixedly connected with the two sliding blocks (4) respectively, and the lower die (3) is rotationally sleeved at the middle of the rotating shaft (5).
6. The bending tool for the round pipe according to claim 4, wherein an adjusting screw rod (6) is arranged in a chute of the base (1) along the length direction of the chute, the adjusting screw rod (6) is rotationally connected with the base (1), and two sliding blocks (4) in the chute are sleeved on the adjusting screw rod (6) in a threaded mode.
7. The bending tool for the round pipe according to claim 6, wherein one end of the adjusting screw rod (6) is a positive screw thread, the other end of the adjusting screw rod is a reverse screw thread, and two sliding blocks (4) on the adjusting screw rod (6) are oppositely arranged on two sides of the lower die (3).
8. The bending tool for the round pipe according to claim 1, wherein a transmission rod (7) is vertically arranged at the upper end of the upper die (2), the middle part of the transmission rod (7) is longitudinally and slidably arranged on the base (1), and the upper end and the lower end of the transmission rod (7) are respectively detachably connected with a main shaft of a press machine and the upper die (2).
9. The bending tool for the round pipe according to claim 1, wherein a base plate (8) is arranged on the upper side of the horizontal section of the base (1), the base plate (8) is flat, and the lower surface of the base plate (8) is attached to the upper surface of the horizontal section of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320155711.0U CN219944241U (en) | 2023-02-02 | 2023-02-02 | Bending tool for round tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320155711.0U CN219944241U (en) | 2023-02-02 | 2023-02-02 | Bending tool for round tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219944241U true CN219944241U (en) | 2023-11-03 |
Family
ID=88550078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320155711.0U Active CN219944241U (en) | 2023-02-02 | 2023-02-02 | Bending tool for round tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219944241U (en) |
-
2023
- 2023-02-02 CN CN202320155711.0U patent/CN219944241U/en active Active
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