CN213728992U

CN213728992U - Clamp for bending machine

Info

Publication number: CN213728992U
Application number: CN202022386041.2U
Authority: CN
Inventors: 孙桂保; 谢积和
Original assignee: Wuxi Haotong Machinery Manufacturing Co ltd
Current assignee: Wuxi Haotong Machinery Manufacturing Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-07-20
Anticipated expiration: 2030-10-23

Abstract

A clamp for a bending machine comprises a left clamp arm, a right clamp arm, a chuck, a sliding rod, an adjusting rod and a fixing piece, wherein the adjusting rod comprises a left thread section, a right thread section, a middle section and a hexagonal head; the fixing piece is fixedly connected with the sliding rod, the fixing piece is arranged in the clamping groove to limit the adjusting rod to move left and right, and the adjusting rod can rotate freely. The left clamping arm and the right clamping arm of the clamp for the bending machine can simultaneously move towards the middle to clamp a thin plate, the thin plate is clamped at the middle position of the whole clamp, the center of gravity is centered, and the thin plate is not easy to incline; utilize the handle to rotate and make left arm lock and right arm lock remove, it is more laborsaving.

Description

Clamp for bending machine

Technical Field

The utility model belongs to the technical field of anchor clamps, especially, relate to an anchor clamps for bender.

Background

A bending machine is a machine capable of bending a thin plate. After the sheet is bent, the sheet needs to be taken out of the machine table by using a special fixture. The clamping device generally comprises a clamping device which comprises two clamping plates, one of which is used for approaching the other clamping plate so as to clamp the bent thin plate. In the prior art, a handle is arranged on a movable clamping plate, and the handle is rotated to approach the other clamping plate. The technology has the defects that only one clamping plate can be close to the other clamping plate, and two clamping plates cannot be close to each other at the same time, and when a thinner thin plate needs to be clamped, one clamping plate needs to move for a long distance; and during the centre gripping, two splint are located one end of whole anchor clamps, can not centre on the middle centre gripping, and in the centre gripping process, because the focus is not in the middle, the easy slope.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor clamps for bender has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model adopts the following technical scheme: a clamp for a bending machine comprises a left clamp arm, a right clamp arm, a chuck, a sliding rod, an adjusting rod and a fixing piece, wherein the chuck is fixedly arranged at the lower end of the left clamp arm and the lower end of the right clamp arm respectively;

the adjusting rod comprises a left thread section, a right thread section, a middle section and a hexagonal head, the thread turning directions of the left thread section and the right thread section are opposite, the left thread section is in threaded connection with the left clamping arm, the right thread section is in threaded connection with the right clamping arm, the middle section is positioned between the left thread section and the right thread section, a clamping groove is formed in the middle section, the hexagonal head is arranged at the head of the left thread section or the right thread section, and the hexagonal head is connected with the handle;

the fixing piece is fixedly connected with the sliding rod, the fixing piece is arranged in the clamping groove to limit the adjusting rod to move left and right, and the adjusting rod can rotate freely.

On the basis of the scheme, as a preferable scheme of the scheme, a rubber pad is fixedly arranged on the clamping surface of the chuck, and saw-toothed protrusions are arranged on the outer surface of the rubber pad.

On the basis of the scheme, the hexagonal head is detachably connected with the handle.

On the basis of the scheme, and as a preferable scheme of the scheme, the left clamping arm, the right clamping arm and the chuck are connected through a first fixing screw.

In addition to the above, and as a preferable mode of the above, the fixing member and the slide rod are fixedly connected by a second fixing screw.

On the basis of the above scheme and as a preferable scheme of the above scheme, the fixing member includes a fixing portion and a clamping portion, and the fixing portion is fixedly connected with the clamping portion.

On the basis of the above scheme and as a preferable scheme of the above scheme, both the left end and the right end of the slide rod are provided with stop pins, and the left clamping arm and the right clamping arm are located between the two stop pins.

The utility model discloses the beneficial effect who has does: the left clamping arm and the right clamping arm of the clamp for the bending machine can simultaneously move towards the middle to clamp a thin plate, the thin plate is clamped at the middle position of the whole clamp, the center of gravity is centered, and the thin plate is not easy to incline; when clamping, the two clamping arms move simultaneously, so that the moving distance of a single clamping arm is reduced; the left clamping arm and the right clamping arm are moved by rotating the handle, so that labor is saved; the rubber pad is arranged on the chuck, so that the friction force between the chuck and the thin plate can be increased, the chuck can be protected from being damaged, the contact area between the rubber pad and the thin plate is increased by the saw-toothed protrusions, and the friction force is further increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is a schematic structural view of the adjustment lever.

The reference numbers are as follows:

1. a left clamp arm; 2. a right clamp arm; 3. a chuck; 4. a slide rod; 5. adjusting a rod; 51. a left threaded section; 52. a right thread segment; 53. a middle section; 531. a card slot; 54. a hexagonal head; 6. a handle; 7. a rubber pad; 8. a first set screw; 9. a fixing member; 91. a fixed part; 92. a clamping part; 10. a second set screw; 11. and (4) a stop pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 4, a clamp for a bending machine includes a left clamp arm 1, a right clamp arm 2, a collet 3, a sliding rod 4, an adjusting rod 5 and a fixing member 9, wherein the collet 3 is respectively fixedly disposed at the lower ends of the left clamp arm 1 and the right clamp arm 2, the sliding rod 4 penetrates through the upper ends of the left clamp arm 1 and the right clamp arm 2, and the left clamp arm 1 and the right clamp arm 2 can move back and forth along the sliding rod 4;

the adjusting rod 5 comprises a left thread section 51, a right thread section 52, a middle section 53 and a hexagonal head 54, the thread turning directions of the left thread section 51 and the right thread section 52 are opposite, the left thread section 51 is in threaded connection with the left clamping arm 1, the right thread section 52 is in threaded connection with the right clamping arm 2, the middle section 53 is positioned between the left thread section 51 and the right thread section 52, a clamping groove 531 is arranged on the middle section 53, the hexagonal head 54 is arranged at the head of the left thread section 51 or the right thread section 52, and the hexagonal head 54 is connected with the handle 6;

the fixing part 9 is fixedly connected with the sliding rod 4, the fixing part 9 is arranged in the clamping groove 531 to limit the adjusting rod 5 to move left and right, and the adjusting rod 5 can rotate freely.

Because the turning direction of the left section of thread and the turning direction of the section of thread on the adjusting rod are opposite, when the handle is rotated, the left clamping arm and the right clamping arm which are connected with the adjusting rod through threads move towards opposite directions when the adjusting rod is rotated, and when the handle is rotated clockwise, the left clamping arm and the right clamping arm move towards the middle simultaneously, and the moving distances are equal. When the thin plate is placed on the machine table and taken down from the machine table after the thin plate is processed, the thin plate is clamped in the middle of the whole clamp, the center of gravity is centered, and the thin plate is not easy to incline; when clamping, two arm lock moves simultaneously, has reduced the displacement distance of single arm lock.

A rubber pad 7 is fixedly arranged on the clamping surface of the chuck 3, and saw-toothed protrusions are arranged on the outer surface of the rubber pad 7. The rubber pad can increase the friction force between the chuck and the thin plate, and can protect the chuck from being damaged, and the saw-toothed protrusions increase the contact area between the rubber pad and the thin plate, so that the friction force is further increased.

The hexagonal head 54 is detachably connected to the handle 6. When not in use, the handle is convenient to be detached.

The left clamping arm 1, the right clamping arm 2 and the chuck 3 are connected through a first fixing screw 8. Through left arm lock, right arm lock and chuck fixed connection that first set screw can be convenient, when needing to be changed moreover, convenient to detach.

The fixing piece 9 is fixedly connected with the slide rod 4 through a second fixing screw 10, so that the fixing piece and the slide rod are fixedly connected, and the installation and the disassembly are convenient.

The fixing member 9 includes a fixing portion 91 and a clamping portion 92, and the fixing portion 91 and the clamping portion 92 are fixedly connected to facilitate installation of the clamping portion into the clamping groove.

Both ends all are equipped with backing pin 11 about litter 4, left side arm lock 1 and right arm lock 2 are located between two backing pins 11, prevent that left arm lock and right arm lock roll-off from the litter from droing.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A anchor clamps for bender its characterized in that: the clamping device comprises a left clamping arm (1), a right clamping arm (2), a chuck (3), a sliding rod (4), an adjusting rod (5) and a fixing piece (9), wherein the chuck (3) is fixedly arranged at the lower end of the left clamping arm (1) and the lower end of the right clamping arm (2) respectively, the sliding rod (4) penetrates through the upper ends of the left clamping arm (1) and the right clamping arm (2), and the left clamping arm (1) and the right clamping arm (2) can move back and forth along the sliding rod (4);

the adjusting rod (5) comprises a left thread section (51), a right thread section (52), a middle section (53) and a hexagonal head (54), the thread turning directions of the left thread section (51) and the right thread section (52) are opposite, the left thread section (51) is in threaded connection with the left clamping arm (1), the right thread section (52) is in threaded connection with the right clamping arm (2), the middle section (53) is located between the left thread section (51) and the right thread section (52), a clamping groove (531) is formed in the middle section (53), the hexagonal head (54) is arranged at the head of the left thread section (51) or the right thread section (52), and the hexagonal head (54) is connected with the handle (6);

the fixing piece (9) is fixedly connected with the sliding rod (4), the fixing piece (9) is arranged in the clamping groove (531) to limit the adjusting rod (5) to move left and right, and the adjusting rod (5) can rotate freely.

2. A clamp for bending machines according to claim 1, characterized in that: a rubber pad (7) is fixedly arranged on the clamping surface of the clamping head (3), and saw-toothed protrusions are arranged on the outer surface of the rubber pad (7).

3. A clamp for bending machines according to claim 1, characterized in that: the hexagonal head (54) is detachably connected with the handle (6).

4. A clamp for bending machines according to claim 1, characterized in that: the left clamping arm (1), the right clamping arm (2) and the chuck (3) are connected through a first fixing screw (8).

5. A clamp for bending machines according to claim 1, characterized in that: the fixing piece (9) is fixedly connected with the slide rod (4) through a second fixing screw (10).

6. A clamp for bending machines according to claim 1, characterized in that: the fixing piece (9) comprises a fixing portion (91) and a clamping portion (92), and the fixing portion (91) is fixedly connected with the clamping portion (92).

7. A clamp for bending machines according to claim 1, characterized in that: both ends all are equipped with backing pin (11) about litter (4), left side arm lock (1) and right arm lock (2) are located between two backing pin (11).