CN213378907U

CN213378907U - Bending tool

Info

Publication number: CN213378907U
Application number: CN202022216339.9U
Authority: CN
Inventors: 璧靛嘲; 赵峰
Original assignee: Zhuozhou Xingfeng Aerospace Technology Co Ltd
Current assignee: Zhuozhou Xingfeng Aerospace Technology Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-08
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a bending tool, belonging to the technical field of circular tube bending, which is arranged on a workbench of a bending machine and comprises a base, a supporting wheel, a pressing wheel and a circular tube clamping component; the number of the supporting wheels is two, and each supporting wheel is arranged on the base; the pressing wheel is used for being connected with a sliding block of the bending machine, is positioned above the space between the two supporting wheels and is provided with an arc-shaped guide groove; the circular tube clamping assembly is arranged on the supporting wheel and is provided with an avoiding space for bending the circular tube; when the round pipe is bent, the sliding block on the bending machine drives the pressing wheel to press downwards, and the pressing wheel is positioned between the two supporting wheels, so that when the pressing wheel provides pressure for the round pipe, the two supporting wheels can provide supporting force for the round pipe at the same time, and the round pipe is convenient to bend; after the pressing wheel is connected with the circular tube, the pressing wheel is matched with the two supporting wheels to bend the circular tube along the arc-shaped guide groove on the pressing wheel, so that the circular tube is prevented from being cut.

Description

Bending tool

Technical Field

The utility model belongs to the technical field of the pipe is bent, more specifically say, relate to an instrument of bending.

Background

The bending machine is a machine capable of bending a thin plate and comprises a workbench, a sliding block, a die arranged on the sliding block and a hydraulic system for driving the sliding block to slide, wherein an avoidance groove is formed in the workbench; when the thin plate is bent, the thin plate is placed on a workbench, a sliding block is driven to slide through a hydraulic system, a die can be in contact with the thin plate, and the part in contact with the thin plate is pressed into an avoiding groove, so that two ends of the thin plate are tilted, and the thin plate is bent; however, the existing bending machine can only bend the thin plate, and when the round tube is bent by the existing bending machine, the round tube is easily cut after the die on the bending machine contacts with the round tube, so that the round tube is inconvenient to bend.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an instrument of bending aims at solving the technical problem that current bender is not convenient for bend the pipe.

In order to achieve the above object, the utility model adopts the following technical scheme: the bending tool is arranged on a workbench of a bending machine and comprises a base, a supporting wheel, a pressing wheel and a circular tube clamping assembly; the number of the supporting wheels is two, and each supporting wheel is arranged on the base; the pressing wheel is used for being connected with a sliding block of the bending machine, is positioned above the space between the two supporting wheels and is provided with an arc-shaped guide groove; the pressing wheel is used for matching with the two supporting wheels when pressing the circular tube to bend the circular tube along the arc-shaped guide groove; the round tube clamping assembly is arranged on the supporting wheel and is provided with an avoiding space for bending the round tube.

As another embodiment of the application, the supporting wheel is provided with a limiting groove for placing a round pipe.

As another embodiment of this application, pipe centre gripping subassembly include the grip ring and both ends respectively with the grip ring with the first elastomer that the supporting wheel is connected, the grip ring is two, two the grip ring all be used for with supporting wheel sliding connection, in order to carry out the centre gripping to the pipe.

As another embodiment of the application, the clamping ring is provided with a guide surface for guiding the round pipe to enter the limiting groove.

As another embodiment of the present application, the support wheel is rotatably connected to the base.

As another embodiment of the application, a sliding groove is arranged on the base, and an adjusting part which is connected with the sliding groove in a sliding manner is arranged on the supporting wheel; the base is provided with a fixing component used for fixing the adjusting part.

As another embodiment of the present application, the fixing assembly includes a fixing column, the adjusting portion is provided with a first fixing hole, and the base is provided with a plurality of second fixing holes aligned with the first fixing hole; the fixing column is inserted into the first fixing hole and the second fixing hole to fix the adjusting portion on the base.

As another embodiment of the present application, a second elastic body is disposed on the fixing column, and two ends of the second elastic body are respectively connected to the fixing column and the adjusting portion.

As another embodiment of the present application, a lead screw is disposed on the base, and the lead screw is rotatably connected with the base and has a relatively fixed position; the screw rod is provided with a threaded sleeve, and the threaded sleeve is connected with the supporting wheel.

As another embodiment of the application, two sections of threads with opposite screwing directions are arranged on the screw rod, and the screwing directions of the two threaded sleeves are opposite; the two threaded sleeves are respectively connected with corresponding threads on the screw rod; and the two threaded sleeves are respectively connected with the corresponding supporting wheels.

The utility model provides a pair of instrument of bending's beneficial effect lies in: compared with the prior art, the base is fixed on the workbench of the bending machine, and the pressing wheel is positioned above the two supporting wheels, so that the circular tube is conveniently placed on the two supporting wheels; the circular tube on the supporting wheel is clamped by the circular tube clamping assembly, so that the circular tube is conveniently fixed on the supporting wheel; when the round pipe is bent, the sliding block on the bending machine drives the pressing wheel to press downwards, and the pressing wheel is positioned between the two supporting wheels, so that when the pressing wheel provides pressure for the round pipe, the two supporting wheels can provide supporting force for the round pipe at the same time, and the round pipe is convenient to bend; after the pressing wheel is connected with the circular tube, the pressing wheel is matched with the two supporting wheels to bend the circular tube along the arc-shaped guide groove on the pressing wheel, so that the circular tube is prevented from being cut.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a bending tool according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of a screw portion of a bending tool according to an embodiment of the present invention;

fig. 4 is a schematic view of a supporting wheel portion of a bending tool according to an embodiment of the present invention.

In the figure: 1. a base; 11. a chute; 12. a second fixing hole; 2. a support wheel; 21. a limiting groove; 3. pressing the wheel; 31. an arc-shaped guide groove; 4. a round tube clamping assembly; 41. avoiding a space; 42. a clamp ring; 421. a guide surface; 43. a first spring; 5. an adjustment section; 51. a guide block; 6. fixing a column; 61. a second spring; 7. a lead screw; 71. a threaded sleeve.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, a bending tool according to the present invention will be described. A bending tool is installed on a workbench of a bending machine and comprises a base 1, a supporting wheel 2, a pressing wheel 3 and a circular tube clamping assembly 4; two supporting wheels 2 are provided, and each supporting wheel 2 is arranged on the base 1; the pressing wheel 3 is used for being connected with a sliding block of the bending machine, is positioned above the space between the two supporting wheels 2 and is provided with an arc-shaped guide groove 31; the pressing wheel 3 is used for matching with the two supporting wheels 2 when pressing the circular tube to bend the circular tube along the arc-shaped guide groove 31; the round tube holding assembly 4 is arranged on the support wheel 2 and is provided with an avoidance space 41 for bending the round tube.

Compared with the prior art, the bending tool provided by the utility model has the advantages that the base 1 is fixed on the workbench of the bending machine, and the pressing wheel 3 is positioned above the two supporting wheels 2, so that a round pipe can be conveniently placed on the two supporting wheels 2; the round pipe on the supporting wheel 2 is clamped by the round pipe clamping component 4, so that the round pipe is conveniently fixed on the supporting wheel 2; when a round pipe is bent, a sliding block on the bending machine drives a pressing wheel 3 to press downwards, and the pressing wheel 3 is positioned between two supporting wheels 2, so that when the pressing wheel 3 provides pressure for the round pipe, the two supporting wheels 2 can provide supporting force for the round pipe at the same time, and the round pipe is convenient to bend; after the pressing wheel 3 is contacted with the round tube, the pressing wheel 3 is matched with the two supporting wheels 2 to bend the round tube along the arc-shaped guide groove 31 on the pressing wheel 3, so that the condition of cutting the round tube is avoided.

As a specific embodiment of the bending tool provided by the present invention, please refer to fig. 1 to 4, the supporting wheels 2 are provided with a limiting groove 21 for placing a circular tube, and the circular tube is placed on the two supporting wheels 2 before bending the circular tube; the position of the round pipe can be limited by arranging the limiting groove 21 on the supporting wheel 2, so that the round pipe can be placed on the supporting wheel 2 conveniently.

As a specific embodiment of the bending tool provided in the present invention, please refer to fig. 1 to 4, the circular tube clamping assembly 4 includes two clamping rings 42 and two first elastic bodies, both ends of which are respectively connected to the clamping ring 42 and the supporting wheel 2, the two clamping rings 42 are both used for being slidably connected to the supporting wheel 2 to clamp the circular tube; the first elastic body comprises a first spring 43, and two ends of the first spring 43 are fixedly connected with the clamping ring 42 and the supporting wheel 2 respectively; after the round tube is placed on the supporting wheel 2, the round tube is positioned between the two clamping rings 42, so that the two clamping rings 42 can conveniently clamp the round tube; an avoiding space 41 is formed between the two clamping rings 42, so that the circular tube can be prevented from being interfered in the bending process of the circular tube, and the circular tube can be conveniently bent.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a guide surface 421 for guiding the circular tube into the limiting groove 21 is disposed on the clamping ring 42, and after the circular tube contacts the guide surface 421, the circular tube moves along the guide surface 421 due to the gravity of the circular tube and is finally located in the limiting groove 21; in the process of circular tube movement, the clamping rings 42 can slide along the diameter direction of the supporting wheel 2 and finally abut against the side wall of the circular tube, so that the circular tube can be clamped by the two clamping rings 42 conveniently.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 4, the supporting wheel 2 is rotatably connected to the base 1, and during the bending process of the circular tube, the position of the circular tube contacting the supporting wheel 2 changes, so that a rotating force is provided to the supporting wheel 2, and the supporting wheel 2 rotates; the damage to the round pipe caused by friction with the supporting wheel 2 in the bending process can be reduced through the rotation of the supporting wheel 2.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a sliding groove 11 is disposed on a base 1, and an adjusting portion 5 slidably connected to the sliding groove 11 is disposed on a supporting wheel 2; the base 1 is provided with a fixing component for fixing the adjusting part 5; the supporting wheel 2 is rotatably connected with the adjusting part 5, a guide block 51 used for being in sliding connection with the sliding chute 11 is arranged on the adjusting part 5, and the guide block 51 is fixedly connected with the adjusting part 5; the adjusting part 5 is connected on the base 1 in a sliding way, so that the distance between the two supporting wheels 2 can be adjusted, and the bending angle of the circular tube can be adjusted conveniently; fix regulating part 5 through fixed subassembly, can avoid the slip of supporting wheel 2 at the return bend in-process to be convenient for bend the pipe.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the fixing assembly includes a fixing column 6, a first fixing hole is disposed on the adjusting portion 5, and a plurality of second fixing holes 12 aligned with the first fixing hole are disposed on the base 1; the fixing column 6 is inserted into the first fixing hole and the second fixing hole 12 to fix the adjusting part 5 on the base 1; after adjusting the distance between two supporting wheels 2, the first fixed orifices on the regulating part 5 aligns with the second fixed orifices 12 on the base 1, and the one end of the fixed column 6 is inserted into the second fixed orifices 12 after passing through the first fixed orifices, so that the position of the supporting wheel 2 after regulation is convenient to fix.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a second elastic body is disposed on the fixed column 6, and two ends of the second elastic body are respectively connected to the fixed column 6 and the adjusting portion 5; the second elastomer includes second spring 61, and second spring 61's both ends respectively with fixed column 6 and 5 fixed connection of regulating part, second spring 61 are used for providing elasticity to fixed column 6, and the fixed column 6 of being convenient for is pegged graft with first fixed orifices and second fixed orifices 12, avoids the condition at return bend in-process fixed column 6 and 5 separation of regulating part to be convenient for fix the position after the slip with regulating part 5.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a screw 7 is disposed on the base 1, and the screw 7 is rotatably connected to the base 1 and has a relatively fixed position; a threaded sleeve 71 is arranged on the screw rod 7, and the threaded sleeve 71 is connected with the supporting wheel 2; the threaded sleeve 71 is fixedly connected with the adjusting part 5; one end of the screw rod 7 penetrates out of the base 1; through the rotation of lead screw 7, can drive threaded sleeve 71 along the axis direction slip of lead screw 7 to be convenient for adjust the distance between two supporting wheels 2.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, two threads with opposite rotation directions are provided on the screw 7, and the two threaded sleeves 71 have opposite rotation directions; the two threaded sleeves 71 are respectively connected with corresponding threads on the screw rod 7; the two threaded sleeves 71 are respectively connected with the corresponding supporting wheels 2; after the screw rod is rotated, the two threaded sleeves 71 are respectively matched with the corresponding threads on the screw rod 7, so that the two adjusting parts 5 can be conveniently and simultaneously close to or far away from each other, and the pressing wheel 3 is always positioned in the middle of the two supporting wheels 2.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A bending tool is installed on a workbench of a bending machine, and is characterized by comprising:

a base (1);

two supporting wheels (2), wherein each supporting wheel (2) is arranged on the base (1);

the pressing wheel (3) is connected with a sliding block of the bending machine, is positioned above the space between the two supporting wheels (2), and is provided with an arc-shaped guide groove (31); the pressing wheel (3) is used for matching with the two supporting wheels (2) when pressing the circular tube to bend the circular tube along the arc-shaped guide groove (31); and

the round tube clamping assembly (4) is arranged on the supporting wheel (2) and is provided with an avoiding space (41) for bending the round tube.

2. Bending tool according to claim 1, wherein the support wheel (2) is provided with a limiting groove (21) for placing a round tube.

3. A bending tool according to claim 2, wherein the tube holding assembly (4) comprises two holding rings (42) and a first elastic body having two ends connected to the holding rings (42) and the support wheel (2), respectively, and the two holding rings (42) are both adapted to be slidably connected to the support wheel (2) for holding a tube.

4. A bending tool according to claim 3, wherein the holding ring (42) is provided with a guide surface (421) for guiding the tube into the holding groove (21).

5. A bending tool according to claim 2, wherein said support wheel (2) is rotatably connected to said base (1).

6. A bending tool according to claim 1, wherein a sliding slot (11) is provided on the base (1), and an adjusting portion (5) slidably connected to the sliding slot (11) is provided on the supporting wheel (2); the base (1) is provided with a fixing component for fixing the adjusting part (5).

7. A bending tool according to claim 6, wherein said fixing assembly comprises a fixing post (6), said adjustment portion (5) is provided with a first fixing hole, said base (1) is provided with a plurality of second fixing holes (12) for aligning with said first fixing hole; the fixing column (6) is inserted into the first fixing hole and the second fixing hole (12) to fix the adjusting part (5) on the base (1).

8. A bending tool according to claim 7, wherein a second elastic body is provided on the fixed column (6), and both ends of the second elastic body are connected to the fixed column (6) and the adjusting portion (5), respectively.

9. A bending tool according to claim 1, wherein a lead screw (7) is provided on the base (1), the lead screw (7) being rotatably connected to the base (1) and being relatively fixed in position; the lead screw (7) is provided with a threaded sleeve (71), and the threaded sleeve (71) is connected with the supporting wheel (2).

10. A bending tool according to claim 9, wherein the screw (7) is provided with two threads with opposite directions of rotation, and the threaded sleeves (71) are two and have opposite directions of rotation; the two threaded sleeves (71) are respectively connected with corresponding threads on the screw rod (7); the two threaded sleeves (71) are respectively connected with the corresponding supporting wheels (2).