CN-224223665-U - Positioning quick-change clamp for biconical inner expansion belt of nonmetal carbon fiber pipe part

CN224223665UCN 224223665 UCN224223665 UCN 224223665UCN-224223665-U

Abstract

The utility model relates to the technical field of carbon fiber pipe parts, in particular to a double-cone inner expansion belt positioning quick-change clamp for a non-metal carbon fiber pipe part, which comprises a positioning table, guide rails, a sliding block and an inner expansion supporting plate, wherein four guide rails are symmetrically arranged at the top of the positioning table, all sliding connection has the slider on each guide rail, and every slider top all is provided with the internal expanding fagging, and the internal expanding fagging is vertical state upwards and extends, and the equal symmetry of the one side that every internal expanding fagging is close to each other is in the central point of locating bench, and leaves the interval. According to the utility model, through a double-cone structure that the first conical surface at the upper end of the inner expansion supporting plate is contacted with the pipe wall, the second conical surface at the lower part is matched with the groove of the limiting seat, radial uniform stress support and axial accurate positioning are realized, the problem of inaccurate Z-direction positioning of a traditional clamp is solved, the motor drives the screw rod to match with the lifting block to control the radial expansion or contraction of the inner expansion supporting plate, and the outer clamping rod is synchronously regulated by combining with the electric push rod, so that rapid adaptation and replacement of different pipe diameters are realized.

Inventors

Cao Enguang
DU LEI
XING XIAOJUN
LIU PENG
JIANG ZHENWEI
CHEN JUNZHI
CHEN XIANGDONG
LI JIANXIN
YANG XIAOLONG
GAO XIAOLONG
ZHAO XIN
LI YANMING
Ji Kexu

Assignees

西北工业集团有限公司

Dates

Publication Date: 20260512
Application Date: 20250521

Claims (7)

1. The double-cone inner expansion belt positioning quick-change clamp for the non-metal carbon fiber pipe parts comprises a positioning table (1) and is characterized by further comprising guide rails (2), sliding blocks (3), inner expansion supporting plates (4), lifting blocks (5), motors (6), screw rods (7) and connecting rods (8), wherein four guide rails (2) are symmetrically arranged at the tops of the positioning table (1), sliding blocks (3) are connected to the guide rails (2) in a sliding mode, the top of each sliding block (3) is provided with the inner expansion supporting plate (4), the inner expansion supporting plates (4) extend upwards in a vertical mode, the surfaces, close to each other, of each inner expansion supporting plate (4) are symmetrically located at the center position of the positioning table (1) and are provided with intervals, lifting blocks (5) are connected to the middle of the tops of the positioning table (1), the motors (6) are arranged in the middle of the tops of the positioning table (1), the screw rods (7) are connected to the output shafts of the motors (6), the outer parts of the screw rods (7) are rotationally connected with the lifting blocks (5), the outer parts of the lifting blocks (5) correspond to the surfaces of the inner expansion supporting plates (4), and the connecting rods (8) are hinged to the corresponding surfaces of the inner expansion supporting plates (4), and the connecting rods (8) are connected to the corresponding surfaces of the inner expansion supporting plates (8) in a similar mode.
2. The positioning and quick-changing clamp for the double-cone inner expansion belt of the nonmetal carbon fiber pipe part, as set forth in claim 1, is characterized in that a first cone surface is arranged at the upper end of the inner expansion supporting plate (4), a second cone surface is arranged on the top surface of the lower part of the inner expansion supporting plate (4) in a protruding manner, and the two cone surfaces form a double-cone surface matching structure.
3. The double-cone inner expansion strap positioning quick-change clamp for the non-metal carbon fiber pipe parts, as claimed in claim 2, is characterized by further comprising a limiting plate (9), a guide rod (10), a pressing plate (101), a return spring (102), connecting ropes (11) and counterweight pulling blocks (12), wherein the limiting plate (9) is slidably connected to the inner top of the inner expansion supporting plate (4), the guide rod (10) is arranged at the top of the inner expansion supporting plate (4), the limiting plate (9) is slidably connected with the outer part of the guide rod (10), the pressing plate (101) is connected to the top of the limiting plate (9), one end of the pressing plate (101) horizontally extends outwards, the pressing plate (101) is made of an elastic material, a return spring (102) is arranged between the limiting plate (9) and the guide rod (10) in a surrounding mode, the top of the pressing plate (101) is connected with the connecting ropes (11), the end portions of each connecting rope (11) vertically extend downwards, and the upper portions of the connecting ropes (11) are close to the lifting blocks (5), and the counterweight pulling blocks (12) are jointly arranged at the lower ends of each connecting rope (11).
4. The positioning and quick-changing clamp for the biconical inner expansion belt of the non-metal carbon fiber pipe part according to claim 3, wherein the top of the counterweight pulling block (12) is provided with a semicircular ring for being pulled by external force.
5. The double-cone inner expansion belt positioning quick-change clamp for the non-metal carbon fiber pipe parts, as claimed in claim 4, is characterized by further comprising a limiting seat (13), an outer clamping rod (14) and an electric push rod (15), wherein the limiting seat (13) is arranged on the top surface of the lower portion of the inner expansion supporting plate (4), the outer clamping rod (14) is connected to the top of the limiting seat (13) in a sliding manner, the electric push rod (15) is arranged on the outer side of the limiting seat (13), the telescopic rod of the electric push rod (15) extends into the limiting seat (13) in a sliding manner, and the lower end of the outer clamping rod (14) penetrates into the inside of the limiting seat (13) in a sliding manner and is connected with the telescopic rod of the electric push rod (15).
6. The positioning and quick-changing clamp for the double-cone inner expansion belt of the nonmetal carbon fiber pipe part, as set forth in claim 5, is characterized in that the lower part of the limiting seat (13) is provided with an inner concave conical surface groove at a position close to the inner expansion supporting plate (4) so as to be matched with the conical surface matching structure of the lower top surface of the inner expansion supporting plate (4).
7. The double-cone inner expansion belt positioning quick-change clamp for non-metal carbon fiber pipe parts according to claim 6, wherein the outer clamping rod (14) is in a round cylindrical rod shape as a whole.

Description

Positioning quick-change clamp for biconical inner expansion belt of nonmetal carbon fiber pipe part Technical Field The utility model relates to the technical field of carbon fiber tube parts, in particular to a double-cone inner expansion belt positioning quick-change clamp for a non-metal carbon fiber tube part. Background The nonmetallic carbon fiber pipe part is a tubular structural part made of carbon fiber composite materials, and the material of the nonmetallic carbon fiber pipe part does not contain metal elements. The parts are formed by combining carbon fiber tows and a resin matrix through a specific process, and have the characteristics of light weight and high strength. In addition, the existing clamp usually needs to manually adjust a locking bolt or replace an adapting part, the single pipe diameter switching time is more than 15 minutes, and repeated clamping is easy to introduce positioning accumulated errors, thereby severely restricting the requirements of small-batch production of multiple varieties. Therefore, the positioning and quick-changing clamp for the double-cone inner expansion belt of the non-metal carbon fiber pipe part is specially designed to solve the technical problems. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides a positioning and quick-changing clamp for a biconical inner expansion belt of a non-metal carbon fiber pipe part. The technical scheme is that the double-cone inner expansion belt positioning quick-change clamp for the non-metal carbon fiber pipe parts comprises a positioning table, guide rails, sliding blocks, inner expansion supporting plates, lifting blocks, motors, screw rods and connecting rods, wherein four guide rails are symmetrically arranged at the top of the positioning table, the sliding blocks are connected onto the guide rails in a sliding mode, the inner expansion supporting plates are arranged at the top of each sliding block and extend upwards in a vertical mode, one surface, close to each other, of each inner expansion supporting plate is symmetrically located at the center position of the positioning table, a gap is reserved between the inner expansion supporting plates, the middle of the top of the positioning table is connected with the lifting blocks in a sliding mode, the middle of the inner top of the positioning table is provided with the motors, the screw rods are connected onto output shafts of the motors, the outer portions of the screw rods are connected with the lifting blocks in a rotating mode, symmetrical connecting rods are hinged to the positions, corresponding to the similar surfaces of the inner expansion supporting plates, and one outwards ends of the connecting rods are hinged to the corresponding inner supporting plates. Further, the upper end of the inner expansion supporting plate is provided with a first conical surface, the top surface of the lower part of the inner expansion supporting plate protrudes and is provided with a second conical surface, and the two conical surfaces form a double-conical-surface matching structure. Further, still including limiting plate, the guide bar, the clamp plate, return spring, connecting rope and counter weight draw the piece, top sliding connection has the limiting plate in the internal expanding fagging, internal expanding fagging top is provided with the guide bar, limiting plate and the outside sliding connection of guide bar, the limiting plate top is connected with the clamp plate, outside horizontal extension of clamp plate one end, and the clamp plate is made by elastic material, encircle being provided with return spring between limiting plate and the guide bar, the clamp plate top is connected with and connects the rope, the tip of every connecting the rope all extends down vertically, and be close to lifting block upper portion, the lower extreme of every connecting the rope is provided with the counter weight jointly and draws the piece. Further, the top of the counterweight pulling block is provided with a semicircular ring which is pulled by external force. Further, still including spacing seat, outer clamping bar and electric putter, be provided with spacing seat on the top surface of internal expanding fagging lower part, spacing seat top sliding connection has outer clamping bar, and electric putter is installed in the spacing seat outside, and electric putter's telescopic link slides and stretches into inside the spacing seat, and the lower extreme of outer clamping bar slides and penetrates inside spacing seat and be connected with electric putter's telescopic link. Further, the lower part of the limiting seat is provided with an inner concave conical surface groove at a position close to the inner expansion supporting plate so as to be matched with a conical surface matching structure of the top surface of the lower part of the inner expansion supporting plate. Further, the whole outer clamping rod is i