CN219005328U

CN219005328U - Clamping frock suitable for machine casket class part

Info

Publication number: CN219005328U
Application number: CN202223247778.1U
Authority: CN
Inventors: 孙文霞; 蒋飞雄; 陈静
Original assignee: Shanghai Electric Power Generation Equipment Co Ltd
Current assignee: Shanghai Electric Power Generation Equipment Co Ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-12
Anticipated expiration: 2032-12-05

Abstract

The utility model provides a clamping tool suitable for a casing part, which comprises the following components: a base; the surrounding frame is arranged on the base in a surrounding mode and is provided with a containing space for allowing the casing parts to be placed; the clamping assembly comprises a plurality of radial supporters arranged at different positions of the surrounding frame, each radial supporter comprises a pushing structure for providing radial supporting force and a supporting head tightly matched with the casing part, the pushing structure is arranged on the surrounding frame, and the supporting heads and the pushing structures are mutually abutted or connected. According to the utility model, the machine box type part can be clamped in a multi-angle radial supporting mode according to different types of the machine box type part, so that not only can the clamping force be controlled, but also the whole stress uniformity of the machine box type part can be ensured, and the machine box type thin-wall part clamping device is convenient to operate, low in cost and strong in universality and is particularly suitable for turning machining machine box type thin-wall parts.

Description

Clamping frock suitable for machine casket class part

Technical Field

The utility model relates to the technical field of machining, in particular to a clamping tool suitable for a casing part.

Background

Large thin-walled cabin shells belong to complex structure machining parts, and most large cabins form a trend of changing from a circular structure to a special-shaped structure. The inner and outer surfaces of the special-shaped cabin section are formed by irregular curved surfaces, and the special-shaped cabin section has the characteristics of cantilever structure, thin wall, large taper, poor rigidity and the like, and has a series of problems of difficult clamping, difficult adjustment, difficult lifting, large vibration, low efficiency and the like in the workpiece processing process.

The traditional processing method can cause the special-shaped cabin section to generate larger deformation.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present utility model is to provide a clamping tool suitable for a casing part, which can clamp the casing part according to different types of casing parts in a multi-angle radial support manner, so as to control clamping force, ensure uniform overall stress of the casing part, and has the advantages of convenient operation, low cost and strong universality, and is particularly suitable for turning casing thin-wall parts.

In order to solve the technical problems, the utility model provides a clamping tool suitable for a casing part, which comprises:

a base;

the surrounding frame is arranged on the base in a surrounding mode and is provided with a containing space for allowing the casing parts to be placed;

the clamping assembly comprises a plurality of radial supporters arranged at different positions of the surrounding frame, each radial supporter comprises a pushing structure for providing radial supporting force and a supporting head tightly matched with the casing part, the pushing structure is arranged on the surrounding frame, and the supporting heads and the pushing structures are mutually abutted or connected.

Preferably, the pushing structure comprises a threaded hole formed in the surrounding frame and a tightening threaded rod penetrating through the threaded hole, and the tightening threaded rod is in butt fit with the supporting head along the radial inner end of the surrounding frame.

Preferably, the supporting head comprises a fastening block and a propped piece which are movably connected, the fastening block is provided with an end face attached to the casing part, and the propped piece is in butt fit with the pushing structure.

Preferably, the fastening block has a recess into which the top piece protrudes and is rotatably connected to the fastening block by means of a connecting pin.

Preferably, the surrounding frame comprises a supporting column and a circular ring arranged on the supporting column, and the aperture of a central hole of the circular ring is adapted to the size of the outer contour of the casing part; the radial support is arranged on the circular ring.

Preferably, the number of the circular rings is a plurality, the circular rings are sequentially arranged up and down, and the two radial supporters respectively arranged on the two adjacent circular rings are arranged in a staggered manner up and down.

Preferably, at least two of all of said radial supports are in a circumferential array on a circular ring.

Preferably, the casing part has a flange structure; clamping frock suitable for quick-witted casket class part still includes flange and compresses tightly the subassembly, and flange compresses tightly the subassembly and includes to press the clamp plate of flange structure and be fixed in the clamp connection spare of base with the clamp plate.

Preferably, the clamping tool suitable for the casing parts further comprises a lifting part arranged on the base.

Preferably, the casing part is made of a first metal material, and the portion of the support head in direct contact with the casing part is made of a second metal material, wherein the hardness of the second metal material is smaller than that of the first metal material.

As described above, the clamping tool suitable for the casing parts has the following beneficial effects: the base is generally fixed on the workbench, so that the base is in a stable state. The surrounding frame is arranged on the base, the surrounding frame is provided with a containing space for allowing the casing parts to be placed, so that the device is arranged, and workers can place the casing parts in the surrounding frame to provide a supporting structure for the follow-up clamping of the casing parts. The clamping tool has the main innovation point that the clamping assembly comprises a plurality of radial supporters arranged at different parts of the surrounding frame, so that the clamping tool is convenient for supporting the casing parts from multiple directions. The radial support comprises a pushing structure for providing radial supporting force and a supporting head tightly matched with the casing type part, the pushing structure is arranged on the surrounding frame, and the supporting head and the pushing structure are mutually abutted or connected. The supporting head and the pushing structure can be mutually separated and also can be mutually connected, so that the supporting head is arranged, and a worker can adjust the angle of the supporting head according to the casing parts of different types, so that the supporting head is more attached and propped against the casing parts under the action of the pushing structure, and the stress born by the casing parts is ensured to be smaller. The pushing structure can be one of a telescopic rod, a telescopic cylinder and a fastening piece, and the length of the pushing structure extending to the casing part can be adaptively adjusted according to the outline shape of the casing part; the supporting head and the pushing structure can be two independent parts, and the supporting head can be connected with the pushing end of the pushing structure through a movable joint structure. When all radial supporters support the casing parts, the casing parts keep a stable state relative to the workbench, and the machining of workers is facilitated. Therefore, the clamping tool disclosed by the utility model can clamp the casing parts in a multi-angle radial supporting mode according to different types of the casing parts, can control clamping force, can ensure that the whole stress of the casing parts is uniform, is convenient to operate, is low in cost and strong in universality, and is especially suitable for turning casing thin-wall parts.

Drawings

FIG. 1 is a perspective view of a clamping tool for a receiver-type part according to the present utility model;

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

FIG. 3 shows a top view of a clamping tool suitable for use with a receiver-type part;

FIG. 4 shows a state diagram of the clamping tool for the case type part;

fig. 5 shows a perspective view of the radial support.

Description of element reference numerals

1. Base seat

2. Surrounding frame

21. Accommodating space

22. Support column

23. Circular ring

3. Clamping assembly

31. Radial support

311. Pushing structure

311a threaded hole

311b fastening threaded rod

312. Supporting head

312a fastening block

312b quilt top piece

312c connecting pin

4. Casing type part

5. Flange compacting assembly

51. Pressing plate

52. Compression connector

6. Lifting part

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims, but rather by the claims, unless otherwise indicated, and unless otherwise indicated, all changes in structure, proportions, or otherwise, used by those skilled in the art, are included in the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

As shown in fig. 4 and 5, the casing part 4 of the present utility model is generally of a thin-wall type, and is easily deformed under a certain external force.

In order to clamp the casing part 4, the utility model provides a clamping tool suitable for the casing part, which is convenient for processing the casing part 4 later, as shown in fig. 1, 3, 4 and 5, and comprises the following steps:

a base 1;

the surrounding frame 2 is arranged on the base 1, and the surrounding frame 2 is provided with a containing space 21 for allowing the casing parts 4 to be placed;

the clamping assembly 3, the clamping assembly 3 comprises a plurality of radial supporters 31 arranged at different positions of the surrounding frame 2, each radial supporter 31 comprises a pushing structure 311 for providing radial supporting force and a supporting head 312 tightly matched with the casing part 4, the pushing structure 311 is arranged on the surrounding frame 2, and the supporting heads 312 and the pushing structure 311 are mutually abutted or connected.

In the present utility model, the base 1 is generally fixed to a table (for example, a machine tool table) so that the base 1 is in a stable state. The surrounding frame 2 is arranged on the base 1, the surrounding frame 2 is provided with a containing space 21 for allowing the casing part 4 to be placed, so that a worker can place the casing part 4 in the surrounding frame 2, and a supporting structure is provided for the subsequent clamping of the casing part 4. The clamping tool has the main innovation point that the clamping assembly 3 comprises a plurality of radial supporters 31 arranged at different parts of the surrounding frame 2, so that the clamping tool is convenient for supporting the casing part 4 from a plurality of directions. The radial support 31 comprises a pushing structure 311 for providing radial supporting force and a supporting head 312 tightly matched with the casing part 4, the pushing structure 311 is arranged on the surrounding frame 2, and the supporting head 312 and the pushing structure 311 are mutually abutted or connected. That is, the supporting head 312 and the pushing structure 311 can be separated from each other or connected with each other, so that a worker can adjust the angle of the supporting head 312 according to the casing parts 4 of different types, so that the supporting head 312 is more attached to and propped against the casing parts 4 under the action of the pushing structure 311, and the stress on the casing parts 4 is ensured to be smaller. The pushing structure 311 can be one of a telescopic rod, a telescopic cylinder and a fastening piece, and the length dimension of the pushing structure 311 extending to the casing part 4 can be adaptively adjusted according to the outline shape of the casing part 4; the supporting head 312 and the pushing structure 311 may be two independent components, and the supporting head 312 may also be connected to the pushing end of the pushing structure 311 through a movable joint structure. When all the radial supporters 31 support the casing part 4, the casing part 4 keeps a stable state relative to the workbench, and is convenient for working personnel to process.

Therefore, the clamping tool disclosed by the utility model can clamp the casing part 4 in a multi-angle radial supporting mode according to different types of the casing part 4, so that the clamping force can be controlled, the whole stress uniformity of the casing part 4 can be ensured, the operation is convenient, the cost is low, the universality is strong, and the clamping tool is especially suitable for turning machining casing thin-wall parts (complex abnormal grooves are generally formed in the casing thin-wall parts, and the machining precision requirement is higher).

As shown in fig. 5, the pushing structure 311 includes a threaded hole 311a formed in the surrounding frame 2 and a fastening threaded rod 311b penetrating through the threaded hole 311a, and the fastening threaded rod 311b is in abutting engagement with the supporting head 312 along the radial inner end of the surrounding frame 2. The user can adjust the length of the tightening threaded rod 311b extending to the casing part 4 by screwing the tightening threaded rod 311b, so that the radial support 31 can be applied to casing parts 4 of different sizes. Specifically, one nut may be welded to the surrounding frame 2, and thus the screw hole 311a is formed by a hole of the nut. When the radial support device is used, the support head 312 is attached to the outer peripheral wall of the casing part 4, and then the length of the fastening threaded rod 311b extending to the casing part 4 is adjusted until the inner end of the fastening threaded rod 311b abuts against the support head 312, so that the radial support function is achieved on the casing part 4.

In order to make the support head 312 adaptively fit and contact with the casing type part 4. The supporting head 312 includes a fastening block 312a and a propped member 312b, which are movably connected, wherein the fastening block 312a has an end surface attached to the casing part 4, and the propped member 312b is in abutting engagement with the pushing structure 311. Because the fastening block 312a and the propped piece 312b are movably connected, the fastening block 312a can adjust the angle relative to the propped piece 312b, so that the end face of the fastening block 312a is always attached to the peripheral wall of the casing part 4.

To facilitate assembly of the tightening block 312a and the driven piece 312b, the tightening block 312a has a groove into which the driven piece 312b extends and is rotatably coupled to the tightening block 312a by a coupling pin 312 c.

As shown in fig. 1 and 4, in order to simplify the structure of the surrounding frame 2, the surrounding frame 2 includes a support column 22 and a circular ring 23 provided on the support column 22, and the aperture of the central hole of the circular ring 23 is adapted to the size of the outer contour of the casing part 4; the radial support 31 is provided on the annular ring 23. In addition, the support columns 22 and the circular rings 23 are connected to each other by welding, so that the overall rigidity and the overall stability of the surrounding frame 2 can be enhanced.

As shown in fig. 3 and 4, in order to make the stress of the casing part 4 uniform, the number of the rings 23 is plural and arranged in sequence from top to bottom, and two radial supports 31 respectively provided on two adjacent rings 23 are arranged in a vertically staggered manner. As a specific example of the above-mentioned surrounding frame 2: the number of the circular rings 23 is three, and a plurality of radial supporters 31 are arranged on each circular ring 23; all radial supporters 31 are divided into a first group, a second group and a third group, the radial supporters 31 belonging to the first group are provided on the ring 23 located at the uppermost position, the radial supporters 31 belonging to the second group are provided on the ring 23 located at the middle position, and the radial supporters 31 belonging to the third group are provided on the ring 23 located at the lowermost position. At the same time, the radial supports 31 belonging to the first group are displaced from the radial supports 31 belonging to the second group, and the radial supports 31 belonging to the second group are displaced from the radial supports 31 belonging to the third group.

In addition, the ring 23 located at the lowermost position is fastened to the base 1 by means of mounting connectors (e.g., screws, bolts), thereby improving the stability of the surrounding frame 2 on the base 1.

In order to make the stress of the casing type part 4 uniform, at least two of the radial supports 31 are arranged in a circumferential array on the ring 23. Further, as shown in fig. 3, all of the radial supports 31 are arranged in a circumferential array on the annular ring 23.

As shown in fig. 2, in order to fasten the casing part 4 in the height direction, the casing part 4 is prevented from being separated from the accommodating space 21 of the surrounding frame 2, and the casing part 4 has a flange structure; the clamping tool suitable for the casing parts further comprises a flange pressing assembly 5, wherein the flange pressing assembly 5 comprises a pressing plate 51 for pressing the flange structure and a pressing connecting piece 52 (such as a bolt and a screw) for fixing the pressing plate 51 on the base 1.

In order to make the clamping tool and the casing part 4 integrally hoist, the clamping tool suitable for the casing part further comprises a hoisting piece 6 arranged on the base 1. The number of lifting elements 6 is at least three, further all lifting elements 6 are arranged at the rim of the base 1 and in a circumferential array.

In order to avoid the case type part 4 from being subjected to excessive stress, the case type part 4 is made of a first metal material, and a portion of the supporting head 312 directly contacting the case type part 4 is made of a second metal material having a hardness smaller than that of the first metal material. Since the casing part 4 is generally made of steel, the portion of the supporting head 312 directly contacting with the casing part 4 may be made of pure copper, so as to ensure that the clamping force does not cause the recess of the outer peripheral wall of the casing part 4.

In summary, the clamping tool is suitable for clamping the casing parts, can clamp the casing parts in a multi-angle radial supporting mode according to different types of the casing parts, can control clamping force, can ensure that the whole casing parts are uniformly stressed, is convenient to operate, is low in cost and high in universality, and is particularly suitable for turning machining casing thin-wall parts. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. Clamping frock suitable for quick-witted casket class part, its characterized in that includes:

a base (1);

the surrounding frame (2), the surrounding frame (2) is arranged on the base (1), and the surrounding frame (2) is provided with a containing space (21) for allowing the casing parts (4) to be placed;

the clamping assembly (3), the clamping assembly (3) is including locating a plurality of radial supporters (31) that surround frame (2) different positions, and radial supporters (31) are including pushing away structure (311) and with quick-witted casket class part (4) tight fit's supporting head (312) that provide radial holding power, push away structure (311) and locate surround frame (2), supporting head (312) and pushing away structure (311) and butt each other or interconnect each other.

2. The clamping tool suitable for the casing type part according to claim 1, wherein: the pushing structure (311) comprises a threaded hole (311 a) formed in the surrounding frame (2) and a fastening threaded rod (311 b) penetrating through the threaded hole (311 a), and the fastening threaded rod (311 b) is in butt fit with the supporting head (312) along the radial inner end of the surrounding frame (2).

3. The clamping tool suitable for the casing type part according to claim 1, wherein: the supporting head (312) comprises a fastening block (312 a) and a propped piece (312 b) which are movably connected, the fastening block (312 a) is provided with an end face which is attached to the casing part (4), and the propped piece (312 b) is in butt fit with the pushing structure (311).

4. The clamping tool suitable for the casing type part according to claim 3, wherein: the fastening block (312 a) has a recess into which the top piece (312 b) protrudes and is rotatably connected to the fastening block (312 a) by a connecting pin (312 c).

5. The clamping tool suitable for the casing type part according to claim 1, wherein: the surrounding frame (2) comprises a supporting column (22) and a circular ring (23) arranged on the supporting column (22), and the aperture of the central hole of the circular ring (23) is adapted to the size of the outer contour of the casing part (4); the radial support (31) is arranged on the circular ring (23).

6. The clamping tool suitable for the casing type part according to claim 5, wherein: the number of the circular rings (23) is multiple, the circular rings are sequentially arranged up and down, and two radial supporters (31) respectively arranged on two adjacent circular rings (23) are arranged in a staggered manner up and down.

7. The clamping tool suitable for the casing type part according to claim 5, wherein: at least two of all the radial supports (31) are in a circumferential array on the ring (23).

8. The clamping tool suitable for the casing type part according to claim 1, wherein: the casing part (4) is provided with a flange structure; clamping frock suitable for quick-witted casket class part still includes flange and compresses tightly subassembly (5), and flange compresses tightly subassembly (5) including pressing down clamp plate (51) of flange structure and compressing tightly connecting piece (52) with clamp plate (51) are fixed in base (1).

9. The clamping tool suitable for the casing type part according to claim 1, wherein: clamping frock suitable for machine casket class part still includes and locates lifting part (6) of base (1).

10. The clamping tool suitable for the casing type part according to claim 1, wherein: the casing part (4) is made of a first metal material, and a part of the supporting head (312) which is in direct contact with the casing part (4) is made of a second metal material, wherein the hardness of the second metal material is smaller than that of the first metal material.