CN219426171U

CN219426171U - Thin-wall part clamping device

Info

Publication number: CN219426171U
Application number: CN202320053075.0U
Authority: CN
Inventors: 王福文
Original assignee: Meishan Xingxin Precision Machinery Co ltd
Current assignee: Meishan Xingxin Precision Machinery Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-07-28
Anticipated expiration: 2033-01-09

Abstract

The application discloses a thin-wall part clamping device, which comprises a base, wherein a first rotary sleeve is rotatably arranged on the base; a telescopic motor is arranged in the first rotary sleeve; around the axis of the first rotary sleeve, a plurality of adjusting seats are arranged around the first rotary sleeve, and clamping blocks are arranged on each adjusting seat; one side of each adjusting seat is hinged with a first connecting rod, the other side of each adjusting seat is hinged with a second connecting rod, and the first connecting rods are hinged with the first rotating sleeves; the clamping device further comprises an adjusting disc, the adjusting plate is connected with the telescopic motor, and each second connection is hinged with the adjusting plate respectively; the clamping of part is realized through the internal surface of top support part, compares with prior art, and spare part can offset fixture's effort through self structure's whole traction to avoid it to take place to warp, improved the stability of centre gripping.

Description

Thin-wall part clamping device

Technical Field

The application relates to the technical field of clamping tool equipment, in particular to a thin-wall part clamping device.

Background

In the processing process of parts, the parts are generally clamped by a clamping tool, but the structural strength of thin-wall pipe parts is poor, and in the prior art, the parts are generally fixed by the clamping tool such as a three-jaw chuck and the like through clamping the outer surfaces of the parts; however, the center of the thin-wall pipe part is hollow, and the necessary support is not needed, so that the thin-wall pipe part is easy to deform in the process of being clamped by the three-jaw chuck, and the processing quality and the clamping stability are further affected.

Disclosure of Invention

The main aim of the application is to provide a thin-wall part clamping device, which aims at solving the defect of clamping stability in the prior art.

The thin-wall part clamping device comprises a base, wherein a first rotary sleeve is rotatably arranged on the base; a telescopic motor is arranged in the first rotary sleeve; around the axis of the first rotary sleeve, a plurality of adjusting seats are arranged around the first rotary sleeve, and clamping blocks are arranged on each adjusting seat; one side of each adjusting seat is hinged with a first connecting rod, the other side of each adjusting seat is hinged with a second connecting rod, and the first connecting rods are hinged with the first rotating sleeves; the clamping device further comprises an adjusting disc, the adjusting plate is connected with the telescopic motor, and each second connection is hinged with the adjusting plate respectively.

Optionally, a support ring is further disposed in the first rotary sleeve, and a linear motion bearing connected with the telescopic motor is disposed on the support ring.

Optionally, the support ring comprises a bracket and a collar coaxially arranged, and the linear motion bearing is arranged on the collar; a plurality of support rods are arranged between the support and the lantern ring.

Optionally, a slot adapted to the first rotary sleeve is provided on the bracket, and a plurality of fastening screws inserted into the slot are provided on the side wall of the bracket.

Optionally, the surface of the adjusting seat is provided with a fixing groove for placing the clamping block, and the clamping block is a rubber anti-slip pad.

Optionally, the surface of the rubber anti-slip pad is provided with an arc friction surface.

Optionally, the clamping block side is provided with the grip slot, still screw thread is connected with on the clamping block inserts the locking screw rod in the grip slot.

Optionally, a rubber pad for fixing the thin-wall part is sleeved on the locking screw.

Compared with the prior art, the application has the following beneficial effects:

the rotary sleeve comprises a base, wherein a first rotary sleeve is rotatably arranged on the base; a telescopic motor is arranged in the first rotary sleeve; around the axis of the first rotary sleeve, a plurality of adjusting seats are arranged around the first rotary sleeve, and clamping blocks are arranged on each adjusting seat; one side of each adjusting seat is hinged with a first connecting rod, the other side of each adjusting seat is hinged with a second connecting rod, and the first connecting rods are hinged with the first rotating sleeves; the clamping device further comprises an adjusting disc, the adjusting plate is connected with the telescopic motor, and each second connection is hinged with the adjusting plate respectively;

when the clamping device is used, the telescopic motor stretches out to retract each adjusting seat and each clamping block along the radial direction of the first rotary sleeve, so that the diameter of the whole device is reduced, the adjusting seats and the clamping blocks are inserted into the part to be clamped, the adjusting seats and the clamping blocks are unfolded along the radial direction of the first rotary sleeve through the recovery telescopic motor after the adjusting seats and the clamping blocks are inserted, and finally the adjusting seats and the clamping blocks are clung to the inner wall of the part, so that the clamping and fixing of the part are realized; and finally, driving the whole device to rotate through the first rotary sleeve so as to realize normal cutting processing.

Compared with the prior art, the clamping device has the advantages that the position of the clamping block can be flexibly adjusted, the distance from the clamping block to the axis of the first rotary sleeve is further controlled, namely the clamping diameter of the whole device is controlled, so that the clamping requirements of different parts are met through one set of equipment, and the application range of the equipment is furthest enlarged;

meanwhile, the clamping force of the whole device is adjusted by controlling the position of the telescopic motor to adjust the pressure between the clamping block and the part, so that the clamping force is reduced on the premise of ensuring stable clamping, the part is prevented from being damaged, and the protection effect on the thin-wall part is improved.

The contact surface of this application and part is the internal surface of part, at the in-process of outwards propping, pulls each other between the whole part, has provided great reaction force to avoid leading to spare part to warp because of external force is too big, very big improvement the stability and the reliability of centre gripping.

Drawings

Fig. 1 is a schematic structural diagram of a thin-walled part clamping device according to embodiment 1 of the present application;

FIG. 2 is a schematic view of a first rotary sleeve;

fig. 3 is a schematic structural diagram of a thin-walled part clamping device according to embodiment 2 of the present application;

reference numerals: the device comprises a 1-base, a 2-first rotating sleeve, a 3-telescopic motor, a 4-adjusting seat, a 5-clamping block, a 6-first connecting rod, a 7-second connecting rod, an 8-adjusting disc, a 9-supporting ring, a 10-linear motion bearing, an 11-fixing groove, a 12-friction surface, a 13-clamping groove, a 14-locking screw rod, a 15-rubber pad, a 901-bracket, a 902-collar, a 903-supporting rod, a 904-slot and a 905-fastening screw rod.

The realization of the objects, the functional characteristics and the advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Embodiment 1

Referring to fig. 1 to 2, this embodiment is an alternative embodiment of the present application, and discloses a thin-walled part clamping device, which includes a base 1, wherein the base 1 is rotatably connected with a first rotating sleeve 2 through a rolling bearing, a telescopic motor 3 is inserted into the first rotating sleeve 2, the clamping device further includes a plurality of adjusting seats 4, and each adjusting seat 4 is disposed around an axis of the first rotating sleeve 2; a first connecting rod 6 and a second connecting rod 7 are hinged to one side, opposite to the first rotating sleeve 2, of each adjusting seat 4, and the other end of each first connecting rod 6 is hinged to the first rotating sleeve 2;

the clamping device further comprises an adjusting disc 8, and one end of each second connecting rod 7 is hinged with the adjusting disc 8 respectively; a fixed groove 11 is further formed in one side, facing away from the first rotary sleeve 2, of the adjusting seat 4, a clamping block 5 is embedded in the fixed groove 11, the clamping block 5 is a rubber anti-skid pad, and an arc-shaped friction surface 12 is arranged on the top surface of the rubber protection pad; meanwhile, a fixed screw rod which is abutted with the rubber anti-skid pad is arranged on the side surface of the adjusting seat 4;

the hard clamping blocks 5 can be prevented from being directly contacted with the inner wall of the thin-wall part through the rubber anti-skid pad, so that the protection effect on the part is improved; secondly, the friction force between the rubber protective pad and the thin-wall part can be obviously improved, so that the stability and the reliability of connection are improved; the contact area between the arc friction surface 12 and the part can be effectively increased, and the stability and reliability of clamping and fixing are further improved;

the clamping device further comprises a support ring 9, the support ring 9 comprises a support 901 and a collar 902, the support 901 and the collar 902 are of annular structures, the support 901 and the collar 902 are coaxially arranged, and a plurality of support rods 903 are arranged between the support 901 and the collar 902; a linear motion bearing 10 is arranged in the lantern ring 902, and a telescopic rod of the telescopic motor 3 is connected with the linear motion bearing 10;

the telescopic rod of the telescopic motor 3 can be limited in position through the support frame, so that the telescopic rod is ensured to always slide along the direction parallel to the axis of the first rotary sleeve 2, and the clamping caused by the deflection of the telescopic rod is avoided; simultaneously, the stability of each adjusting seat 4 is ensured;

a slot 904 is further formed in the side, facing the first rotating sleeve 2, of the support 901, and a plurality of fastening screws 905 inserted into the slot 904 are arranged on the side wall of the support 901; the first rotating sleeve 2 is inserted into the slot 904 when being installed, and the fastening screw 905 is rotated to make the end part of the fastening screw abut against the first rotating sleeve 2, so as to fix the first rotating sleeve 2;

the structure is simple, the operation is convenient, the supporting ring 9 can be fast installed by workers, and the equipment assembly efficiency is improved.

Meanwhile, the clamping device can penetrate into the part, and the clamping position of the clamping device can be adjusted according to actual needs, so that the stress supporting point of the part is adjusted, and the protection effect on the thin-wall part is improved.

Embodiment 2

Referring to fig. 3, this embodiment is a further alternative embodiment of the present application, and discloses a thin-walled part clamping device, which includes a base 1, wherein the base 1 is rotatably connected with a first rotating sleeve 2 through a rolling bearing, a telescopic motor 3 is inserted into the first rotating sleeve 2, the clamping device further includes a plurality of adjusting seats 4, and each adjusting seat 4 is disposed around an axis of the first rotating sleeve 2; a first connecting rod 6 and a second connecting rod 7 are hinged to one side, opposite to the first rotating sleeve 2, of each adjusting seat 4, and the other end of each first connecting rod 6 is hinged to the first rotating sleeve 2;

the side, facing away from the first rotary sleeve 2, of the adjusting seat 4 is integrally connected with a clamping block 5, a clamping groove 13 is formed in the side face of the clamping block 5, and a fastening nut inserted into the clamping groove 13 is further connected to the clamping block 5 in a threaded manner; the fastening nut is sleeved with a rubber pad 15 for fixing the thin-wall part.

When in use, the end face of the part to be clamped is inserted into each clamping groove 13, and finally the part to be clamped is fixed by a fastening nut;

the clamping device adopting the structure can form clamping force on the inner surface and the outer surface of the part, and is favorable for improving the stability of clamping.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.

Claims

1. The clamping device for the thin-wall part is characterized by comprising a base (1), wherein a first rotary sleeve (2) is rotatably arranged on the base (1); a telescopic motor (3) is arranged in the first rotary sleeve (2); around the axis of the first rotary sleeve (2), a plurality of adjusting seats (4) are arranged around the first rotary sleeve (2), and clamping blocks (5) are arranged on each adjusting seat (4); one side of each adjusting seat (4) is hinged with a first connecting rod (6), the other side of each adjusting seat is hinged with a second connecting rod (7), and the first connecting rods (6) are hinged with the first rotating sleeve (2); the clamping device further comprises an adjusting disc (8), the adjusting disc is connected with the telescopic motor (3), and each second connecting rod is hinged with the adjusting disc respectively.

2. The thin-walled part clamping device according to claim 1, characterized in that a supporting ring (9) is further arranged in the first rotating sleeve (2), and a linear motion bearing (10) connected with the telescopic motor (3) is arranged on the supporting ring (9).

3. A thin-walled part gripping device according to claim 2, characterized in that the support ring (9) comprises a coaxially arranged bracket (901) and a collar (902), the linear motion bearing (10) being arranged on the collar (902); a plurality of support rods (903) are arranged between the support (901) and the lantern ring (902).

4. A thin-walled part holding device according to claim 3 characterized in that the holder (901) is provided with a socket (904) adapted to the first rotatable sleeve (2), and the side wall of the holder (901) is provided with a number of fastening screws (905) inserted into the socket (904).

5. The thin-walled part clamping device according to claim 1, characterized in that the surface of the adjusting seat (4) is provided with a fixing groove (11) for placing the clamping block (5), and the clamping block (5) is a rubber anti-slip pad.

6. The thin-walled part clamping device according to claim 5, characterized in that the clamping block (5) surface is provided with an arc-shaped friction surface (12).

7. The thin-walled part clamping device according to claim 1, characterized in that the clamping block (5) is provided with a clamping groove (13) on the side surface, and the clamping block (5) is further screwed with a locking screw (14) inserted into the clamping groove (13).

8. The thin-walled part clamping device according to claim 7, wherein a rubber pad (15) for fixing the thin-walled part is sleeved on the locking screw (14).