CN213944643U

CN213944643U - Telescopic adjustable clamp for bending machine

Info

Publication number: CN213944643U
Application number: CN202022382986.7U
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: 2021-08-13
Anticipated expiration: 2030-10-23

Abstract

A telescopic adjustable clamp for a bending machine comprises a clamping arm assembly, a sliding rod, an adjusting rod and a handle; the clamping arm assemblies are respectively positioned at two ends of the sliding rod and comprise clamping arms, telescopic arms, positioning bolts and chucks, the clamping arms can move back and forth along the sliding rod, the clamping arms are provided with telescopic holes with openings at the bottoms, the upper parts of the telescopic arms are provided with telescopic holes, the tail parts of the positioning bolts are provided with nuts, and the lower parts of the telescopic arms are fixedly connected with the chucks; the adjusting rod penetrates through the two clamping arms and is in threaded connection with the two clamping arms, and one end of the adjusting rod is connected with the handle. The clamping arm component of the utility model can adjust the length and is suitable for sheets with different height specifications; when the handle is rotated, the two clamping arms move simultaneously, so that 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.

Description

Telescopic adjustable clamp for bending machine

Technical Field

The utility model belongs to the technical field of anchor clamps, especially, relate to an anchor clamps that is used for scalable regulation of 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 the length of the sliding plate can not be adjusted, and only a thin plate with one height specification can be clamped.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor clamps that is used for scalable regulation of 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 telescopic adjustable clamp for a bending machine comprises a clamping arm assembly, a sliding rod, an adjusting rod and a handle;

the two clamping arm assemblies are respectively positioned at two ends of the sliding rod, each clamping arm assembly comprises a clamping arm, a telescopic arm, a positioning bolt and a chuck, the sliding rod penetrates through the upper end of the clamping arm, the clamping arms can move back and forth along the sliding rod, each clamping arm is provided with a telescopic hole with an opening at the bottom, the lower end of each clamping arm is provided with a first positioning hole, the upper part of each telescopic arm is provided with a telescopic hole, the telescopic arms are provided with a plurality of second positioning holes which are distributed up and down and are at equal intervals, the positioning bolt simultaneously penetrates through the first positioning hole and the second positioning hole, the tail part of the positioning bolt is provided with a nut, and the lower part of each telescopic arm is fixedly connected with the chuck;

the adjusting rod penetrates through the two clamping arms and is in threaded connection with the two clamping arms, and one end of the adjusting rod is connected with the handle.

On the basis of the scheme, the adjusting rod is preferably provided with 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 and the right thread section are in threaded connection with the clamping arm, the middle section is located between the left thread section and the right thread section, the middle section is provided with a clamping groove, 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 through a second fixing screw, 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 above scheme and as a preferable scheme of the above scheme, the clamping arm and the clamping head are connected through a first 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 two clamp arms are located between the two stop pins.

The utility model discloses the beneficial effect who has does: the clamping arm component of the utility model can adjust the length and is suitable for sheets with different height specifications; when the handle is rotated, the two clamping arms move simultaneously, so that the sheet is clamped in the middle of the whole clamp, the center of gravity is centered, and the sheet 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 two clamping arms 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.

Figure 4 is a cross-sectional view of the clamp arm.

Fig. 5 is a schematic structural view of the adjustment lever.

The reference numbers are as follows:

1. clamping arms; 101. a telescopic hole; 102. a first positioning hole; 2. a telescopic arm; 201. a second positioning hole; 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. a stop pin; 12. positioning the bolt; 13. and a nut.

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 5, a telescopically adjustable clamp for a bending machine comprises a clamping arm assembly, a sliding rod 4, an adjusting rod 5 and a handle 6;

the two clamping arm assemblies are respectively positioned at two ends of the sliding rod 4, each clamping arm assembly comprises a clamping arm 1, a telescopic arm 2, a positioning bolt 12 and a chuck 3, the sliding rod 4 penetrates through the upper end of the clamping arm 1, the clamping arm 1 can move back and forth along the sliding rod 4, the clamping arm 1 is provided with a telescopic hole 101 with an opening at the bottom, the lower end of the clamping arm 1 is provided with a first positioning hole 102, the upper part of the telescopic arm 2 is provided with the telescopic hole 101, the telescopic arm 2 is provided with a plurality of second positioning holes 201 which are distributed vertically and are at equal intervals, the positioning bolt 12 simultaneously penetrates through the first positioning hole 102 and the second positioning hole 201, the tail part of the positioning bolt 12 is provided with a nut 13, and the lower part of the telescopic arm 2 is fixedly connected with the chuck 3;

the adjusting rod 5 penetrates through the two clamping arms 1 and is in threaded connection with the two clamping arms 1, and one end of the adjusting rod 5 is connected with the handle 6.

During the use, to the sheet metal of different height specifications, if the length of arm lock is adjusted to needs, pull down positioning bolt earlier, pull out flexible arm from the locating hole, select the suitable length that flexible arm stretches out according to the specification of sheet metal, because the second locating hole is provided with a plurality ofly in the upper and lower direction, can adjust and make the second locating hole that corresponds align with first locating hole, just can press from both sides the sheet metal of getting different height specifications after installing positioning bolt and nut again.

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 and the right thread section 52 are in threaded connection with the clamping arm 1, 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 slide rod 4 through a second fixing screw 10, 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 directions of the left section of threads and the section of threads on the adjusting rod are opposite, when the handle is rotated, the adjusting rod rotates, the two clamping arms in threaded connection with the adjusting rod move in opposite directions, when the handle is rotated clockwise, the two clamping arms 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 clamping arm 1 is connected with the chuck 3 through a first fixing screw 8. Can be convenient through first set screw arm and chuck fixed connection, when needing to be changed moreover, convenient to detach.

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 the litter 4, two arm lock 1 is located between two backing pins 11, prevents that the arm lock from the litter roll-off and drops.

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. The utility model provides a but clamp of telescopic adjustment for bender which characterized in that: comprises a clamping arm component, a sliding rod (4), an adjusting rod (5) and a handle (6);

the two clamping arm components are respectively positioned at two ends of the sliding rod (4), the clamping arm components comprise clamping arms (1), telescopic arms (2), positioning bolts (12) and chucks (3), the sliding rod (4) penetrates through the upper end of the clamping arm (1), the clamping arm (1) can move back and forth along the sliding rod (4), the clamping arm (1) is provided with a telescopic hole (101) with an opening at the bottom, the lower end of the clamping arm (1) is provided with a first positioning hole (102), the upper part of the telescopic arm (2) is provided with a telescopic hole (101), the telescopic arm (2) is provided with a plurality of second positioning holes (201) which are distributed up and down and are at equal intervals, the positioning bolt (12) simultaneously passes through the first positioning hole (102) and the second positioning hole (201), a nut (13) is arranged at the tail part of the positioning bolt (12), and the lower part of the telescopic arm (2) is fixedly connected with the chuck (3);

the adjusting rod (5) penetrates through the two clamping arms (1) and is in threaded connection with the two clamping arms (1), and one end of the adjusting rod (5) is connected with the handle (6).

2. A telescopically adjustable clamp for bending machines according to claim 1, wherein: 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) and the right thread section (52) are in threaded connection with the clamping arm (1), 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);

fixing piece (9) and litter (4) pass through second set screw (10) fixed connection, fixing piece (9) are located in draw-in groove (531) and are controlled the regulation pole (5) and remove about with the restriction, just regulation pole (5) can the free rotation.

3. A telescopically adjustable clamp for bending machines according to claim 1, wherein: 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).

4. A telescopically adjustable clamp for bending machines according to claim 1, wherein: the clamping arm (1) is connected with the chuck (3) through a first fixing screw (8).

5. A telescopically adjustable clamp for bending machines according to claim 2, wherein: 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).

6. A telescopically adjustable clamp for bending machines according to claim 1, wherein: both ends all are equipped with backing pin (11) about litter (4), two clip arm (1) is located between two backing pin (11).