CN211889895U

CN211889895U - Clamping and fixing device for punching bicycle pipe

Info

Publication number: CN211889895U
Application number: CN201822118147.7U
Authority: CN
Inventors: 赵克松
Original assignee: Tianjin Xianglong Bicycle Co ltd
Current assignee: Tianjin Xianglong Bicycle Co ltd
Priority date: 2018-12-17
Filing date: 2018-12-17
Publication date: 2020-11-10
Anticipated expiration: 2028-12-17

Abstract

The utility model provides a clamping and fixing device for punching bicycle pipes, which comprises a bottom plate, wherein the right side of the upper side wall of the bottom plate is provided with a rectangular groove, the inner side wall of the rectangular groove is provided with a limiting device, the outer side wall of a screw rod is screwed with a rotating block, and the upper side wall of the bottom plate is symmetrically and slidably provided with a clamping plate in the front and back directions, the utility model can limit the pipes between the rectangular plate and the limiting device through the structure of the limiting device, the rotating block, the fixed block, the first magnetic block, the clamping plate, the clamping block and the second magnetic block, when clamping the pipes, the rotating block and the fixed block are positioned in the pipes, so as to avoid the deformation of the pipes due to the stress when the pipes are clamped, the clamping plate and the clamping block clamp the pipes outside the pipes, and simultaneously, under the action of the suction force of the first magnetic block and the second magnetic block, the pipe can be prevented from deflecting, and finally, the position of the hole is accurate.

Description

Clamping and fixing device for punching bicycle pipe

Technical Field

The utility model relates to a bicycle processing technology field specifically is a centre gripping fixing device for bicycle tubular product punches.

Background

In the bicycle processing and manufacturing, the bracket part is one of the most important parts, the pipe forming the bicycle bracket is generally made of aluminum alloy, the pipe of the bicycle bracket needs to be punched at the joint before being assembled, when the pipe is punched, the pipe needs to be clamped and fixed, but if the clamping force is large, the pipe is easy to deform, if the clamping force is small, in the punching process, the pipe is easy to deflect, the position of a hole is changed, the difficulty in assembling is increased, in the punching process, the pipe is easy to be stressed and transversely moved, the position of the hole is inaccurate, if a clamping device which can ensure that the pipe cannot deform, cannot deflect and cannot transversely move is designed, the problems can be solved, and therefore, the clamping and fixing device for punching the pipe of the bicycle is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centre gripping fixing device for bicycle tubular product punches to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a clamping and fixing device for punching of bicycle pipes comprises a base plate, wherein a rectangular groove is formed in the right side of the upper side wall of the base plate, a limiting device is assembled on the inner side wall of the rectangular groove, vertical plates are symmetrically and fixedly installed on the front side and the back side of the left side of the upper side wall of the base plate, a fixing shaft is fixedly installed between the two vertical plates, a rotating rod is sleeved on the outer side wall of the fixing shaft, a screw rod is fixedly installed at the right end of the rotating rod, a rotating block is screwed on the outer side wall of the screw rod, fixed blocks are symmetrically and fixedly installed on the front side and the back side of the right side wall of the rotating block, first magnetic blocks are embedded in the outer side wall of the fixed blocks, clamping plates are symmetrically and slidably assembled on the front side and the back side of the upper side wall of the base plate, clamping blocks are fixedly installed, the lateral wall fixed mounting of dwang has the rectangular plate.

Further, stop device includes the limiting plate, and the limiting plate assembles in the rectangular channel in a sliding manner, the cylinder groove has been seted up to the left side wall of limiting plate, the threaded hole has been seted up to the left side wall of limiting plate, the inside wall spiro union of screw hole has the threaded rod, the left end of threaded rod rotates the assembly in the inner chamber left side wall of rectangular channel, and the right-hand member of threaded rod runs through the bottom plate, the right-hand member fixed mounting of threaded rod has the handle.

Further, the spout has been seted up to the symmetry around the last lateral wall left side of bottom plate, the equal fixed mounting of lower lateral wall of pinch-off blades has the movable block, and the movable block pegs graft in the corresponding spout in position, the equal fixed mounting of inside wall of spout has the baffle, the rectangular hole has been seted up to the last lateral wall of baffle, and the lower extreme of pinch-off blades runs through the rectangular hole, the width of movable block is greater than the width of rectangular hole.

Furthermore, the inner side walls of the clamping blocks are fixedly provided with rubber membranes.

Furthermore, the upper side wall of the clamping block is fixedly provided with a connecting plate, and the two connecting plates are connected through bolts and nuts.

The utility model has the advantages that: the utility model discloses a stop device, the structure of dwang and rectangular plate, can inject tubular product between rectangular plate and stop device, make tubular product lateral shifting can not appear, through the turning block, the fixed block, first magnetic path, the pinch-off blades, press from both sides the structure of tight piece and second magnetic path, during centre gripping tubular product, the turning block is located inside tubular product with the fixed block, atress and deformation when avoiding tubular product to be held, pinch-off blades and press from both sides tight piece and fix the tubular product centre gripping in the tubular product outside, simultaneously under the suction effect of first magnetic path and second magnetic path, make adjacent fixed block press from both sides the tubular product part between it with pressing from both sides tight piece and tightly, can avoid tubular product to take place to deflect, finally make the position in hole accurate.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view cross-sectional view of the present invention.

Fig. 2 is a right side view cross-sectional view of the clamping plate of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. the bottom plate, 2, rectangular channel, 3, stop device, 301, limiting plate, 302, cylindrical groove, 303, screw hole, 304, threaded rod, 305, handle, 4, riser, 5, fixed axle, 6, dwang, 7, screw rod, 8, turning block, 9, fixed block, 10, first magnetic block, 11, clamp plate, 12, clamp block, 13, second magnetic block, 14, rectangular plate, 15, spout, 16, movable block, 17, baffle, 18, rectangular hole, 19, rubber membrane, 20, connecting plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a clamping and fixing device for punching bicycle pipes comprises a bottom plate 1, a rectangular groove 2 is formed in the right side of the upper side wall of the bottom plate 1, a limiting device 3 is assembled on the inner side wall of the rectangular groove 2, the limiting device 3 is matched with a rectangular plate 14 to limit the position of the pipes, the pipes cannot move transversely, the accuracy of the position of a hole is ensured, vertical plates 4 are symmetrically and fixedly installed on the left side of the upper side wall of the bottom plate 1 in a front-back mode, a fixing shaft 5 is fixedly installed between the two vertical plates 4, the fixing shaft 5 cannot rotate, a rotating rod 6 is sleeved on the outer side wall of the fixing shaft 5 and can rotate along the fixing shaft 5, a screw rod 7 is fixedly installed at the right end of the rotating rod 6, a rotating block 8 is screwed on the outer side wall of the screw rod 7, the diameter of the rotating block 8 is the same as the inner diameter of, when pipes of different types need to be clamped, the rotating rod 6 is rotated upwards, the rotating block 8 is taken down, and the rotating block 8 matched with the inner diameters of the pipes of different types is screwed on again, the fixed blocks 9 are symmetrically and fixedly installed on the front and back of the right side wall of the rotating block 8, the outer side wall of each fixed block 9 is an arc surface and is attached to the inner wall of the pipe to be machined of the same type, so that the pipe cannot deform when the pipe is clamped by using the clamping blocks 11, the first magnetic blocks 10 are embedded into the outer side wall of each fixed block 9, the clamping plates 11 are symmetrically and slidably assembled on the front and back of the upper side wall of the bottom plate 1, the clamping blocks 12 are fixedly installed on the inner side wall of each clamping plate 11, the inner side walls of the clamping blocks 12 are arc surfaces, the diameter of each arc surface is the same as the outer diameter of the pipe to be machined of the same type, therefore, with stop device 3 and the cooperation of rectangular plate 14 with the position of tubular product fixed, the inside wall of pressing from both sides tight piece 12 all is embedded with second magnetic path 13, first magnetic path 10 is corresponding with the position of second magnetic path 13, and the magnetic pole of the lateral wall of first magnetic path 10 is opposite with the magnetic pole of the inside wall of second magnetic path 13, consequently be suction between first magnetic path 10 and the second magnetic path 13, the lateral wall that makes fixed block 9 through the effect of suction is tight with the tubular product clamp with the inside wall cooperation that presss from both sides tight piece 12, make tubular product can not take place to rotate, the lateral wall fixed mounting of dwang 6 has rectangular plate 14.

Specifically, the limiting device 3 comprises a limiting plate 301, the limiting plate 301 is cuboid, the limiting plate 301 is slidably assembled in a rectangular groove 2, a cylindrical groove 302 is formed in the left side wall of the limiting plate 301, the right end of a pipe is inserted into the cylindrical groove 302, the axis of the cylindrical groove 302 is collinear with the axis of a rotating block 8, and further the limiting plate 14 is matched with the rectangular plate to clamp and limit the position of the pipe, a threaded hole 303 is formed in the left side wall of the limiting plate 301, a threaded rod 304 is screwed on the inner side wall of the threaded hole 303, the left end of the threaded rod 304 is rotatably assembled on the left side wall of an inner cavity of the rectangular groove 2, a groove is formed in the left side wall of the inner cavity of the rectangular groove 2, the left end of the threaded rod 304 is inserted in the groove and can rotate in the groove, the position of the threaded rod 304 is limited, the rotation of the threaded rod 304 is not, the handle 305 is rotated to drive the threaded rod 304 to rotate, due to the limitation of the rectangular groove 2 on the limiting plate 301 in the shape of a cuboid, the limiting plate 301 moves left and right in the rectangular groove 2 along with the rotation of the threaded rod 304, and then the position of a pipe is clamped and fixed, the sliding grooves 15 are symmetrically formed in the front and back of the left side of the upper side wall of the bottom plate 1, the lower side wall of the clamping plate 11 is fixedly provided with the movable block 16, the movable block 16 is inserted in the sliding groove 15 in a corresponding position, the movable block 16 and the clamping plate 11 can move along the sliding grooves 15, the inner side wall of the sliding groove 15 is fixedly provided with the baffle 17, the upper side wall of the baffle 17 is provided with the rectangular hole 18, the lower end of the clamping plate 11 penetrates through the rectangular hole 18, the width of the movable block 16 is larger than that of the rectangular hole 18, so as to limit the position of the clamping, because the diameter of the inner side cambered surface of the clamping block 12 is the same as the outer diameter of the pipe, when the two clamping blocks 12 clamp the pipe, the clamping force can be increased under the action of the rubber film 19, the clamping and fixing of the pipe are ensured, the connecting plates 20 are fixedly installed on the upper side walls of the clamping blocks 12, the two connecting plates 20 are connected through bolts and nuts, and the positions of the two clamping plates 11 in a clamping state are fixed through the connecting plates 20.

The specific implementation mode is as follows: the clamping and fixing device for punching the bicycle pipe is characterized in that the left end of the pipe is sleeved on a fixed block 9 and a rotating block 8, then a handle 305 is rotated to drive a limiting plate 301 to move, the right end of the pipe is inserted into a cylindrical groove 302 until the left end of the pipe is attached to the right side wall of a rectangular plate 14, the position of the pipe is preliminarily clamped and fixed through the rotating block 8, the rectangular plate 14 and the limiting plate 301, the pipe cannot transversely move, then two clamping plates 11 are moved inwards, the pipe is clamped by the clamping blocks 12, meanwhile, the connecting plate 20 is fixed through bolts and nuts, the pipe is clamped and fixed by the clamping blocks 12, meanwhile, under the suction effect of a first magnetic block 10 and a second magnetic block 13, the clamping force of the fixed block 9 and the clamping blocks 12 on the pipe is further increased, the pipe cannot deflect, and meanwhile, due to the supporting effect of the fixed block 9 in the pipe, the clamping force of the clamping block 12 on the pipe does not deform the pipe, so that the accuracy of punching the pipe and the integrity and the attractiveness of the pipe can be ensured.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a centre gripping fixing device for bicycle tubular product punches which characterized in that: comprises a bottom plate (1), a rectangular groove (2) is arranged on the right side of the upper side wall of the bottom plate (1), a limiting device (3) is assembled on the inner side wall of the rectangular groove (2), vertical plates (4) are symmetrically and fixedly installed on the left side of the upper side wall of the bottom plate (1) in a front-back mode, two vertical plates (4) are fixedly installed with a fixed shaft (5) in a front-back mode, a rotating rod (6) is sleeved on the outer side wall of the fixed shaft (5), a screw rod (7) is fixedly installed at the right end of the rotating rod (6), a rotating block (8) is screwed on the outer side wall of the screw rod (7), a fixed block (9) is symmetrically and fixedly installed on the right side wall of the rotating block (8) in a front-back mode, a first magnetic block (10) is embedded into the outer side wall of the fixed block (9), a clamping plate (, the inside wall of pressing from both sides tight piece (12) all imbeds second magnetic path (13), and the magnetic pole of the inside wall of the lateral wall of first magnetic path (10) is opposite with the magnetic pole of the inside wall of second magnetic path (13), the lateral wall fixed mounting of dwang (6) has rectangular plate (14).

2. The clamping and fixing device for bicycle tubing perforating as claimed in claim 1, characterized in that: stop device (3) include limiting plate (301), and limiting plate (301) sliding assembly in rectangular channel (2), cylinder groove (302) have been seted up to the left side wall of limiting plate (301), threaded hole (303) have been seted up to the left side wall of limiting plate (301), the inside wall spiro union of threaded hole (303) has threaded rod (304), the left end of threaded rod (304) rotates the assembly in the inner chamber left side wall of rectangular channel (2), and the right-hand member of threaded rod (304) runs through bottom plate (1), the right-hand member fixed mounting of threaded rod (304) has handle (305).

3. The clamping and fixing device for bicycle tubing perforating as claimed in claim 1, characterized in that: sliding grooves (15) are symmetrically formed in the front and back of the left side of the upper side wall of the bottom plate (1), a movable block (16) is fixedly mounted on the lower side wall of the clamping plate (11) and is inserted into the sliding grooves (15) corresponding to the upper side wall in position, a baffle (17) is fixedly mounted on the inner side wall of the sliding grooves (15), a rectangular hole (18) is formed in the upper side wall of the baffle (17), the lower end of the clamping plate (11) penetrates through the rectangular hole (18), and the width of the movable block (16) is larger than that of the rectangular hole (18).

4. The clamping and fixing device for bicycle tubing perforating as claimed in claim 1, characterized in that: and rubber membranes (19) are fixedly arranged on the inner side walls of the clamping blocks (12).

5. The clamping and fixing device for bicycle tubing perforating as claimed in claim 1, characterized in that: the upper side wall of the clamping block (12) is fixedly provided with a connecting plate (20), and the two connecting plates (20) are connected through bolts and nuts.