CN217889420U

CN217889420U - Anti-drop clamping device for small flat flange forging

Info

Publication number: CN217889420U
Application number: CN202222035621.6U
Authority: CN
Inventors: 王一乐
Original assignee: Changzhou Huanhu Forging Co ltd
Current assignee: Changzhou Huanhu Forging Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-25
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to the technical field of processing tools, in particular to an anti-drop clamping device for a small flat flange forging, which comprises a first handle and a second handle, wherein the end parts of the first handle and the second handle are symmetrically provided with a clamping ring, the parts of the first handle and the second handle close to the clamping ring are provided with a positioning rotating shaft, and the first handle and the second handle rotate around the positioning rotating shaft; the clamping ring is characterized in that a clamping block is detachably connected to the inner wall of the clamping ring, a bearing plate is welded to the bottom of the clamping ring, a gap is reserved between the bearing plate and the clamping block, and a bulge is arranged on the surface, facing the clamping block, of the bearing plate and abutted to a flange forging; the utility model discloses the flange forging is accepted to the utilization, need not to last power consumption centre gripping flange forging, also can guarantee that the flange forging does not drop, effectively reduces workman's intensity of labour, improves the availability factor, ensures production safety.

Description

Anti-drop clamping device for small flat flange forging

Technical Field

The utility model relates to a processing frock technical field, especially a small-size flat anti-drop clamping device for flange forging.

Background

At present, a forged flange is a product with the best mechanical property in flange products, generally a tube blank is used as a raw material, the tube blank is cut in sections and then placed in a heating furnace, and the flange forging after heat treatment is continuously beaten so as to eliminate the defects of segregation, looseness and the like in a steel ingot; in actual production, in order to ensure the uniformity of heat treatment, the flange forging is generally flat, and the specific operation is that a worker uses a pliers to take the flange forging out of a heating furnace, then the flange forging is placed on a forging machine, and the flange forging is repeatedly turned and forged.

In order to solve the technical problem, chinese patent CN208359803U discloses an anti-falling handle clamp, which comprises a first handle clamp and a second handle clamp, wherein the inner sides of the first handle clamp and the second handle clamp are provided with arc-shaped convex blocks, when in use, the utility model clamps the outer handle through the arc-shaped convex blocks inside the first handle clamp and the second handle clamp, thereby increasing the stress area and avoiding the shaking and falling of the tool in the working process; however, for the flange forging subjected to heat treatment, the bulge on the clamping surface can cause deformation, and the processing quality is influenced.

Therefore, the anti-falling clamping device for the small flat flange forging is provided, the clamping stability of workers in the using process is guaranteed, and falling and deformation are prevented, which needs to be done by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size flat flange is anti-drop clamping device for forging to flat flange forging temperature is high among the solution prior art, and centre gripping lifting surface area is little, and the centre gripping can lead to warping hard, takes place to drop again easily hard too fewly, very easily produces the technical problem of potential safety hazard.

The utility model provides a technical scheme that its technical problem adopted is: an anti-falling clamping device for a small flat flange forging comprises a first handle and a second handle, wherein clamping rings are symmetrically arranged at the end parts of the first handle and the second handle, positioning rotating shafts are arranged on the first handle and the second handle close to the clamping rings, and the first handle and the second handle rotate around the positioning rotating shafts; the centre gripping intra-annular wall releasable connection has the grip block, and the welding of grip ring bottom has accepts the board, accepts and leaves the clearance between board and the grip block, it is equipped with arch, protruding butt flange forging to accept on the face of board orientation grip block.

Furthermore, the positioning rotating shaft is connected in the first handle and the second handle in a clamping and embedding manner.

Furthermore, the clamping rings are annular, and the two clamping rings rotate synchronously by taking the positioning rotating shaft as an axis.

Further, the diameter of the gripping ring is one quarter of the length of the first or second handle.

Further, the straight edge of the bearing plate is smaller than the inner diameter of the clamping ring.

Furthermore, the clamping blocks are in a fan shape and are symmetrically distributed in one clamping ring, and the clamping blocks in the two clamping rings are mutually symmetrical.

Furthermore, clamping grooves are symmetrically formed in the inner wall of the clamping ring, clamping blocks are arranged on the arc surface of the clamping block and are connected in a clamping and embedding mode, and the clamping blocks are matched with the clamping grooves.

Furthermore, the opposite surfaces of the two clamping blocks are combined to form a V shape.

The utility model has the advantages that:

the utility model utilizes four clamping blocks to clamp the flange forging, thereby ensuring the stability of clamping, and the clamping blocks arranged in a V shape have self-centering effect, thereby ensuring the stability and accuracy of clamping; the clamping range of the clamping device is improved by utilizing the clamping blocks which are detachably connected, and the clamping device is suitable for clamping flange forgings with various diameters and types, so that the using effect is improved; the utility model discloses still utilize and accept the board and accept the flange forging, need not to last power consumption centre gripping flange forging, also can guarantee that the flange forging does not drop, compare with prior art, the utility model discloses under the clamping state, one accept the board and can support the face of the at least third of flange forging, and then have good supporting effect, effectively reduce workman's intensity of labour, improve the availability factor, guarantee production safety.

Drawings

Fig. 1 is the utility model discloses a small-size flat flange is anti-drop clamping device for forging's perspective view.

Fig. 2 is the utility model discloses a small-size flat flange is anti-drop clamping device's for forging explosion schematic diagram.

The parts in the drawings are numbered as follows: 10. a first handle; 11. a clamp ring; 12. a second handle; 13. a clamping block; 14. a card slot; 15. a protrusion; 16. a bearing plate; 17. positioning the rotating shaft; 18. and (7) clamping blocks.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Referring to fig. 1, the utility model provides an anti-drop clamping device for small-size flat flange forging, including first handle 10 and second handle 12, the tip symmetry of first handle 10 and second handle 12 is equipped with grip ring 11, the position that is close to grip ring 11 on first handle 10 and the second handle 12 is installed location pivot 17.

Specifically, the positioning rotating shaft 17 is connected in the first handle 10 and the second handle 12 in a clamping manner, and the first handle 10 and the second handle 12 rotate by taking the positioning rotating shaft 17 as a shaft; the clamping rings 11 are circular, and the two clamping rings 11 synchronously rotate around the positioning rotating shaft 17.

Preferably, the diameter of the gripping ring 11 is one quarter of the length of the first handle 10 or the second handle 12.

The utility model discloses utilize 11 clamping flange forgings of grip ring (not shown), will fix a position pivot 17 setting in the one end that is close to grip ring 11, and then required power when reducing the workman centre gripping, the annular grip ring of while 11 and flange forging appearance phase-matches are favorable to even atress.

It can be understood that a ceramic hand guard (not shown) is fixedly connected to one end of the first handle 10 and the second handle 12 away from the positioning rotating shaft 17, so as to isolate high temperature and protect production safety.

Further, referring to fig. 1 and fig. 2, the inner wall of the clamping ring 11 is detachably connected with clamping blocks 13, the clamping blocks 13 are fan-shaped, the clamping blocks 13 are symmetrically distributed in one clamping ring 11, and the clamping blocks 13 in the two clamping rings 11 are symmetrical to each other.

Furthermore, the inner wall of the clamping ring 11 is symmetrically provided with clamping grooves 14, the arc surface of the clamping block 13 is provided with clamping blocks 18, the clamping blocks 18 are connected in the clamping grooves 14 in a clamping and embedding manner, and the clamping blocks 18 are matched with the clamping grooves 14.

Preferably, the opposing faces of the two clamping blocks 13 are combined to form a V-shape.

In this embodiment, the fixture block 18 is in interference fit with the fixture groove 14, so as to ensure stability during use.

The utility model discloses set up grip block 13 in two grip rings 11, utilize four grip blocks 13 to centre gripping flange forging, guarantee the stability of clamping, the grip block 13 that is the V-arrangement simultaneously has from the centering effect, and then guarantees the stability and the accuracy of clamping; utilize releasable connection's grip block 13 to improve the utility model discloses a clamping scope is applicable to the flange forging of multiple diameter of clamping and kind, and then improves the result of use.

Furthermore, a bearing plate 16 is welded at the bottom of the clamping ring 11, a gap is left between the bearing plate 16 and the clamping block 13, and a protrusion 15 is arranged on the surface of the bearing plate 16 facing the clamping block 13.

Preferably, the straight edge of the bearing plate 16 is smaller than the inner diameter of the clamping ring 11.

The utility model is provided with the bearing plates 16 at the bottom of the two clamping rings 11 to prevent the clamping from falling off, and one bearing plate can support at least one third of the surface of the flange forging in a clamping state, thereby having good supporting effect; when the flange forging is abutted to the bearing plate 16, the flange forging is prevented from being adhered to the bearing plate 16 by the aid of the protrusions 15 on the bearing plate 16, disassembly is further guaranteed, and the service life is prolonged.

The utility model discloses a concrete operating procedure does: installing the clamping block 13 into the clamping ring 11, sleeving the clamping ring 11 at one end of the flange forging, enabling the bearing plate 16 to abut against one surface of the flange forging, combining the clamping ring 11, clamping the flange forging, overturning the clamping ring 11, further enabling the bearing plate 16 to bear the flange forging, transferring the flange forging to a specified position, unfolding the clamping ring 11, and completing clamping.

The utility model discloses utilize and accept 16 accepting flange forging of board, need not to last power centre gripping flange forging, also can guarantee the flange forging not drop, effectively reduce workman's intensity of labour, improve the availability factor, ensure production safety; meanwhile, the utility model utilizes four clamping blocks 13 to clamp the flange forging, thereby ensuring the stability of clamping, and the clamping blocks 13 arranged in a V shape have a self-centering effect, thereby ensuring the stability and accuracy of clamping; utilize releasable connection's grip block 13 to improve the utility model discloses a clamping scope is applicable to the flange forging of multiple diameter of clamping and kind, and then improves the result of use.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The anti-falling clamping device for the small flat flange forging is characterized by comprising a first handle (10) and a second handle (12), wherein clamping rings (11) are symmetrically arranged at the end parts of the first handle (10) and the second handle (12), a positioning rotating shaft (17) is arranged on the first handle (10) and the second handle (12) close to the clamping rings (11), and the first handle (10) and the second handle (12) rotate around the positioning rotating shaft (17);

grip ring (11) inner wall releasable connection has grip block (13), and the welding of grip ring (11) bottom has and accepts board (16), accepts and leaves the clearance between board (16) and grip block (13), it is equipped with protruding (15) to accept board (16) on the face towards grip block (13), protruding (15) butt flange forging.

2. The anti-drop clamping device for the small flat flange forging according to claim 1, wherein the positioning rotating shaft (17) is connected in a clamping manner in the first handle (10) and the second handle (12).

3. The anti-falling clamping device for the small flat flange forging as claimed in claim 2, wherein the clamping rings (11) are annular, and the two clamping rings (11) rotate synchronously by taking the positioning rotating shaft (17) as an axis.

4. The drop-preventing clamping device for the small flat flange forging is characterized in that the diameter of the clamping ring (11) is one fourth of the length of the first handle (10) or the second handle (12).

5. The drop-preventing clamping device for the small flat flange forging according to claim 1, wherein the straight edge of the bearing plate (16) is smaller than the inner diameter of the clamping ring (11).

6. The anti-drop clamping device for the small flat flange forging as claimed in claim 1, wherein the clamping blocks (13) are fan-shaped, the clamping blocks (13) are symmetrically distributed in one clamping ring (11), and the clamping blocks (13) in the two clamping rings (11) are mutually symmetrical.

7. The anti-falling clamping device for the small flat flange forging according to claim 6, wherein clamping grooves (14) are symmetrically formed in the inner wall of the clamping ring (11), clamping blocks (18) are arranged on the arc surface of the clamping block (13), the clamping blocks (18) are connected in the clamping grooves (14) in an embedded manner, and the clamping blocks (18) are matched with the clamping grooves (14).

8. The anti-drop clamping device for the small flat flange forging as claimed in claim 7, wherein the opposite surfaces of the two clamping blocks (13) are combined to form a V shape.