CN209986076U - Rim punches a hole and uses clamping structure and piercing press - Google Patents

Rim punches a hole and uses clamping structure and piercing press Download PDF

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Publication number
CN209986076U
CN209986076U CN201920544798.4U CN201920544798U CN209986076U CN 209986076 U CN209986076 U CN 209986076U CN 201920544798 U CN201920544798 U CN 201920544798U CN 209986076 U CN209986076 U CN 209986076U
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main shaft
rim
linear
clamping
polished rod
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CN201920544798.4U
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Chinese (zh)
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翟金乐
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Individual
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Abstract

The utility model relates to the technical field of punching, in particular to a clamping structure for rim punching, which comprises a main shaft and a plurality of clamping components, wherein the main shaft is arranged on a support frame body; a plurality of the centre gripping subassembly is circumference slidable mounting on the chuck with main shaft one end fixed connection, and connects in inserting the sharp polished rod of putting at the inboard cavity of main shaft through articulated shift fork with it, sharp polished rod slides in the main shaft cavity through drive assembly, the main shaft runs through and supports fixed bearing frame of support body and spacer and is connected with its drive wheelset that rotates the regulation with driving. The utility model relates to a novelty, when drive assembly drive straight line polished rod removed, the straight line polished rod removed along chuck central point through pulling a plurality of centre gripping subassemblies of shift fork drive to the realization is to the centre gripping of rim, and control is convenient, and stability is high, when the rim is taken off to needs, only need through drive assembly drive straight line polished rod reverse movement can, the practicality is strong.

Description

Rim punches a hole and uses clamping structure and piercing press
Technical Field
The utility model relates to a technical field that punches a hole specifically is a rim punches a hole and uses clamping structure and piercing press.
Background
Punching: it means that various patterns are printed on materials such as steel plates, leather, cloth, wood plates and the like to meet different requirements.
The rim is the main component on the bicycle. At present, with the prevalence of sharing a single vehicle, the requirement of a rim is unprecedentedly huge, the production and processing efficiency of the rim is the main competitiveness of rim production and processing enterprises, and the enterprises with high production efficiency and high product quality can certainly seize more orders and create more benefits in the demand wave.
The rim punching is an important step of wheel manufacturing, but because the rim is circular, when the punching is carried out, the clamping of the rim becomes a difficult problem, the existing rim clamping mode is like the clamping device for the rim in the prior patent CN 207107833U, the clamping device comprises a hanging frame and a clamping unit, and the clamping unit is respectively arranged at the lower parts of two sides of the hanging frame; the clamping unit comprises a vertical frame, a first gear, a second gear, a first support rod, a second support rod, a winding drum, a support belt and a servo motor; the upper end of the vertical frame is fixed on the hanging frame, the first gear and the second gear are installed on the vertical frame, the first gear is meshed with the second gear, the lower end of the first support rod is fixedly connected with the first gear, and the upper end of the second support rod is fixedly connected with the second gear; the winding drum is installed on the vertical frame, one end of the supporting belt is fixed on the winding drum, and the other end of the supporting belt is fixed below the second supporting rod. The device is flexible in clamping, can completely avoid the rigid collision between the device and a product in the clamping process, and is soft in clamping force, so that the product quality is guaranteed to the maximum extent. The clamping unit in the clamping device has small transverse size in a folding state, and can play a role in a rim conveying production line with small gap.
The force that the rim received when punching a hole is great, through the stability of the unable fine assurance rim centre gripping of above-mentioned centre gripping mode, and when carrying out the rim rotation, only drive the rotation through frictional force, the rotation effect is poor, is not fit for the rim punching a hole technically.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rim punches a hole and uses clamping structure and piercing press to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a clamping structure for rim punching comprises a main shaft and a plurality of clamping assemblies, wherein the main shaft is arranged on a support frame body; a plurality of the centre gripping subassembly is circumference slidable mounting on the chuck with main shaft one end fixed connection, and connects in inserting the sharp polished rod of putting at the inboard cavity of main shaft through articulated shift fork with it, sharp polished rod slides in the main shaft cavity through drive assembly, the main shaft runs through and supports fixed bearing frame of support body and spacer and is connected with its drive wheelset that rotates the regulation with driving.
As a further aspect of the present invention: and two ends of the linear polished rod positioned on the inner side of the main shaft are connected with the inner side of the main shaft through linear bearings.
As a further aspect of the present invention: and a pull rod small roller is fixed at one end of the linear polished rod close to the shifting fork, and the shifting fork is rotatably arranged on the pull rod small roller.
As a further aspect of the present invention: the driving assembly comprises an air cylinder, and the air cylinder is connected with the linear polished rod through a rotating connecting shaft.
As a further aspect of the present invention: the clamping assembly is connected with the chuck in a sliding mode through the sliding piece, the sliding piece is a linear guide rail fixed on the clamping assembly and a linear sliding block fixed on the chuck, and one end, far away from the chuck, of the linear sliding block slides in the linear guide rail.
As a further aspect of the present invention: the clamping assembly comprises a clamping jaw, and the clamping jaw is fixedly connected with the linear guide rail through a linear guide rail seat fixedly connected with the clamping jaw.
As a further aspect of the present invention: the driving wheel set comprises a large gear and a small gear, the large gear is fixed on the outer side of one end, far away from the clamping assembly, of the main shaft through a round nut, and the large gear is meshed with the small gear.
A punching machine comprises the clamping structure for rim punching.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novelty, when drive assembly drive straight line polished rod removes, the straight line polished rod removes along chuck central point through pulling a plurality of centre gripping subassemblies of shift fork drive to the realization is to the centre gripping of rim, and control is convenient, and stability is high, when the rim needs to be taken off, only need through drive assembly drive straight line polished rod reverse movement can, the drive wheelset that sets up simultaneously can drive the rim and rotate, realizes punching a hole position control, and the practicality is strong.
Drawings
Fig. 1 is a schematic structural view of a clamping structure for rim punching.
In the figure: 1-claw, 2-linear guide rail seat, 3-linear guide rail, 4-linear slide block, 5-shifting fork, 6-pull rod small roller, 7-chuck, 8-main shaft, 9-linear bearing, 10-linear polish rod, 11-rotary connecting shaft, 12-cylinder, 13-bearing seat, 14-spacer bush, 15-big gear, 16-small gear, 17-round nut and 18-support frame body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1, in an embodiment of the present invention, a clamping structure for rim punching includes a main shaft 8 mounted on a support frame 18 and a plurality of clamping assemblies; it is a plurality of the centre gripping subassembly is circumference slidable mounting on chuck 7 with 8 one end fixed connection of main shaft, and connects in inserting the straight line polished rod 10 of putting at the inboard cavity of main shaft through articulated shift fork 5 with it, straight line polished rod 10 slides in 8 cavities of main shaft through drive assembly, when drive assembly drive straight line polished rod 10 removes right (this position is confirmed according to figure 1), straight line polished rod 10 moves along chuck 7 central point through 5 drive of pulling shift fork a plurality of centre gripping subassemblies to the realization is to the centre gripping of rim, and convenient control, and stability is high, when the rim is taken off to needs, only need to move left through drive assembly drive straight line polished rod 10 can.
Preferably, in order to effectively reduce the friction force between the linear polished rod 10 and the main shaft 8, two ends of the linear polished rod 10 located inside the main shaft 8 are connected with the inside of the main shaft 8 through linear bearings 9 (a linear bearing is a linear motion system used for matching a linear stroke with a cylindrical shaft, and a steel ball rolls with the minimum friction resistance due to the point contact of a bearing ball and a bearing outer sleeve, so that the linear bearing has small friction and is relatively stable, does not change along with the speed of the bearing, and can obtain stable linear motion with high sensitivity and high precision).
Preferably, in order to increase the stability of the connection of the linear polished rod 10 and the shifting fork 5, a pull rod small roller 6 is fixed at one end of the linear polished rod 10 close to the shifting fork 5, and the shifting fork 5 is rotatably mounted on the pull rod small roller 6.
Particularly, drive assembly includes cylinder 12, cylinder 12 through rotate connecting axle 11 with straight line polished rod 10 is connected, drive straight line polished rod 10 removes when cylinder 12 stretches out and draws back, of course the utility model discloses in the concrete implementation process, cylinder 12 also can be replaced by hydraulic cylinder or other drive linear motion's actuating mechanism, and the preferred cylinder 12 that occupies here, cylinder 12 is small, and can realize the rigidity after flexible to play the effect of pressing to straight line polished rod 10.
Furthermore, the clamping assembly is connected with the chuck 7 in a sliding mode through the sliding part, the sliding part comprises a linear guide rail 3 fixed on the clamping assembly and a linear sliding block 4 fixed on the chuck 7, one end, far away from the chuck 7, of the linear sliding block 4 slides in the linear guide rail 3, the linear sliding block 4 can be limited by the linear guide rail 3, and only linear movement of the linear sliding block 4 is achieved, namely only linear movement of the clamping assembly is achieved.
The clamping assembly comprises a clamping jaw 1, wherein the clamping jaw 1 is fixedly connected with a linear guide rail 3 through a linear guide rail seat 2 fixedly connected with the clamping jaw 1, the fixed connection mode is preferably screw fixation and welding is not adopted, so that the clamping assembly can be conveniently replaced when partial components are damaged, and the cost is saved.
Above-mentioned jack catch 1 has the flexion, and the inboard of flexion is provided with the draw-in groove of different specifications for the rim of different specifications is put to the card, thereby improves the application scope of this application.
Example two
In order to realize rim multiposition and punch a hole, the utility model discloses still proposed another kind of embodiment and perfect this application at the concrete implementation in-process, it is concrete, main shaft 8 runs through and supports bearing frame 13 and spacer 14 that support frame body 18 is fixed and carry out the driving wheel group who rotates the regulation with driving it and be connected, driving wheel group includes gear wheel 15 and pinion 16, and the one end outside that centre gripping subassembly was kept away from to main shaft 8 is fixed with gear wheel 15 through round nut 17, and gear wheel 15 meshes with pinion 16, rotates through driving pinion 16 and can drive gear wheel 15 and main shaft 8 and rotate to the realization is rotated by centre gripping rim.
The rotation of the pinion 16 may be driven by a motor or other rotary power, which is not limited in this application.
The arrangement of the rotary connecting shaft 11 mentioned in the first embodiment realizes the rotary connection of the linear polished rod 10 and the air cylinder 12, so that the linear polished rod 10 is driven to rotate when the main shaft 8 rotates, and the driving effect of the air cylinder 12 on the linear polished rod 10 is not influenced.
EXAMPLE III
The embodiment of the utility model provides an in, still provide a piercing press, include as in above-mentioned embodiment the rim punches a hole and uses clamping structure.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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 (8)

1. A clamping structure for rim punching comprises a main shaft (8) and a plurality of clamping components, wherein the main shaft (8) is arranged on a support frame body (18); it is characterized in that;
the clamping assemblies are circumferentially and slidably mounted on a chuck (7) fixedly connected with one end of a main shaft (8), and are connected with a linear polished rod (10) inserted in a cavity on the inner side of the main shaft (8) through shifting forks (5) hinged with the clamping assemblies, and the linear polished rod (10) slides in the cavity of the main shaft (8) through a driving assembly;
the main shaft (8) penetrates through a bearing seat (13) fixed with the support frame body (18) and a spacer bush (14) and is connected with a driving wheel set for driving the main shaft to rotate and adjust.
2. A clamping structure for rim punching according to claim 1, characterized in that both ends of the linear polish rod (10) inside the main shaft (8) are connected with the inside of the main shaft (8) through linear bearings (9).
3. The clamping structure for rim punching according to claim 1, characterized in that a pull rod small roller (6) is fixed at one end of the linear polished rod (10) close to the shifting fork (5), and the shifting fork (5) is rotatably mounted on the pull rod small roller (6).
4. A clamping structure for rim punching according to claim 1, characterized in that the driving assembly comprises a cylinder (12), the cylinder (12) being connected to the linear polish rod (10) by a rotary connecting shaft (11).
5. A clamping structure for rim punching according to claim 1, characterized in that the clamping assembly is slidably connected with the chuck (7) through a sliding member, the sliding member is a linear guide rail (3) fixed on the clamping assembly and a linear slide block (4) fixed on the chuck (7), and one end of the linear slide block (4) far away from the chuck (7) slides in the linear guide rail (3).
6. A clamping structure for rim punching according to claim 5, characterized in that the clamping assembly comprises a jaw (1), and the jaw (1) is fixedly connected with the linear guide rail (3) through a linear guide rail seat (2) fixedly connected with the jaw.
7. The clamping structure for rim punching according to claim 1, wherein the driving wheel set comprises a large gear (15) and a small gear (16), the large gear (15) is fixed on the outer side of one end of the main shaft (8) far away from the clamping assembly through a round nut (17), and the large gear (15) is meshed with the small gear (16).
8. A punching machine comprising the rim punching clamp structure according to any one of claims 1 to 7.
CN201920544798.4U 2019-04-19 2019-04-19 Rim punches a hole and uses clamping structure and piercing press Active CN209986076U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920544798.4U CN209986076U (en) 2019-04-19 2019-04-19 Rim punches a hole and uses clamping structure and piercing press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920544798.4U CN209986076U (en) 2019-04-19 2019-04-19 Rim punches a hole and uses clamping structure and piercing press

Publications (1)

Publication Number Publication Date
CN209986076U true CN209986076U (en) 2020-01-24

Family

ID=69292375

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920544798.4U Active CN209986076U (en) 2019-04-19 2019-04-19 Rim punches a hole and uses clamping structure and piercing press

Country Status (1)

Country Link
CN (1) CN209986076U (en)

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