CN217801051U

CN217801051U - Part is polished and is used clamping device

Info

Publication number: CN217801051U
Application number: CN202221881650.8U
Authority: CN
Inventors: 于宏伟; 郁文杰
Original assignee: Nantong Institute of Technology
Current assignee: Nantong Institute of Technology
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-15
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a clamping device for polishing parts, which comprises a pressure plate and a lower rotary plate, wherein the upper part and the lower part of the pressure plate are just opposite to each other, a support plate is arranged on the lower rotary plate, a plurality of abdicating grooves which sequentially correspond to fixed holes on the surface of a brake disc are arranged on the support plate in an annular array manner, side pressure rods are arranged in the abdicating grooves in a sliding manner, and the side pressure rods are driven by a power mechanism to synchronously run along the corresponding abdicating grooves; power unit is including setting up the drive gear in backup pad below, and drive gear's annular array all around is provided with a plurality of and corresponds the equal meshed racks of side drive gear's outside ring gear, and the rack slides and sets up on carousel down, and the vertical setting of side pressure pole is on the extension rod of perpendicular to rack mounting, and the extension rod is connected through reset spring between one side of drive gear and the lower carousel, and reset spring is on a parallel with and corresponds the rack setting, and drive gear passes through the power component drive rotation, the utility model discloses the device has improved the centre gripping efficiency to the brake disc.

Description

Part is polished and is used clamping device

Technical Field

The utility model relates to a clamping device technical field, concretely relates to part is polished and is used clamping device.

Background

The brake disc is a common automobile part and is mainly used for automobile braking. In the prior art, when the polishing and grinding are carried out, the clamping is unstable, so that the grinding and the grinding are uneven or the grinding is strongly vibrated in the grinding process, and the grinding efficiency is not high. The patent application numbers are: 202011378364.5, the patent title is "a two-way centre gripping absorbing brake disc mechanical equipment of polishing", its pressure disk, supporting disk and stay bolt cooperate each other, and stay bolt passes installation screw and the fixed orifices on brake disc surface, can be fixed with the two-sided centre gripping of brake disc, improves stability. However, the structure can only be used for positioning and clamping brake discs of the same specification and size, and the applicability is not high; and the brake disc also needs to be positioned and placed manually in the earlier stage, so that the clamping efficiency of the brake disc is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a part is polished and is used clamping device to solve the above-mentioned defect among the prior art.

A clamping device for grinding parts comprises a workbench, a lower rotary table rotatably mounted on the workbench, and a gantry support located above the lower rotary table, wherein a telescopic cylinder is rotatably mounted on the gantry support, and a pressure plate is mounted below the telescopic cylinder; the lower turntable is provided with a supporting plate, the annular array on the supporting plate is provided with a plurality of abdicating grooves which sequentially correspond to the fixing holes on the surface of the brake disc, the abdicating grooves are distributed along the radial direction of the brake disc on the supporting plate, side pressure rods which can compress the side walls of the corresponding fixing holes are arranged in the abdicating grooves in a sliding manner, the lower end parts of the plurality of side pressure rods extending to the abdicating grooves are connected with the same power mechanism, and the power mechanism drives the plurality of side pressure rods to synchronously run along the corresponding abdicating grooves;

power unit is including setting up the drive gear of backup pad below, drive gear's axle center rotates and installs on the carousel down, drive gear's annular array all around is provided with a plurality of and drive gear meshed's rack, the rack slides and sets up on the carousel down, the vertical setting of side depression bar is at the perpendicular to on the extension rod of rack installation, the extension rod towards drive gear one side with connect through reset spring down between the carousel, reset spring is on a parallel with and corresponds the rack sets up, drive gear passes through the power component drive rotation.

Preferably, the power assembly is a motor or a pull rod connected to the outer side of one of the racks.

Preferably, a guide rail for guiding the operation of the rack is arranged on the surface of the lower rotating disc.

Preferably, the outer side wall of the inner end of the rack is provided with a first baffle, the lower turntable is fixedly provided with a second baffle, and the second baffle is arranged on one side corresponding to the running track of the rack and used for limiting the first baffle, so that the driving gear and the corresponding rack are always meshed.

Preferably, the top end of the gantry support is rotatably provided with an upper turntable, and the telescopic cylinder is vertically and fixedly arranged on the upper turntable.

The utility model has the advantages of as follows:

the utility model discloses a pulling rack, the synchronous displacement of side pressure pole of drive connection on each rack is in order to adapt to the perforation of the fixed orifices on the different specification and dimension brake discs, later loosen the rack, under reset spring's elastic action, the side pressure pole will realize spacing between two parties to the brake disc at the in-process that resets, avoid the brake disc to remove at the horizontal direction, later drive pressure disk descends, avoid the brake disc to remove along vertical direction at the in-process of polishing, thereby better suitability has, can improve the efficiency of polishing of follow-up brake disc.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the power mechanism of the present invention;

fig. 3 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention;

fig. 4 is a schematic view of the mounting structure of the brake disc on the support plate according to the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the brake disc of the present invention when being clamped and polished.

In the figure:

1-a workbench; 2-lower turntable; 3-gantry support; 4, a telescopic cylinder; 5-pressing a plate; 6-a support plate; 7-a abdicating groove; 9-side compression bar; 10-a brake disc; 11-a drive gear; 12-a rack; 13-a pull rod; 14-a guide rail; 15-an extension rod; 16-a return spring; 17-a first baffle; 18-a second baffle; 19-upper turntable; 20-fixing hole.

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.

As shown in fig. 1 to 5, the utility model provides a part is polished and is used clamping device, install including workstation 1, rotation lower carousel 2 on the workstation 1 with be located the portal trestle 3 of 2 tops of lower carousel, rotate on the portal trestle 3 and install telescopic cylinder 4. Specifically, the method comprises the following steps:

the top end of the gantry support 3 is rotatably provided with an upper turntable 19, and the telescopic cylinder 4 is vertically and fixedly arranged on the upper turntable 19.

A pressure plate 5 is arranged below the telescopic cylinder 4; the lower turntable 2 is provided with a supporting plate 6, a plurality of abdicating grooves 7 sequentially corresponding to fixing holes 20 on the surface of a brake disc 10 are arranged in the supporting plate 6 in an annular array, the abdicating grooves 7 are distributed along the radial direction of the brake disc 10 on the supporting plate 6, side pressure rods 9 capable of pressing the side walls corresponding to the fixing holes 20 are arranged in the abdicating grooves 7 in a sliding mode, the lower end parts of the plurality of side pressure rods 9 extending to the abdicating grooves 7 are connected with a same power mechanism, and the power mechanism drives the plurality of side pressure rods 9 to synchronously run along the corresponding abdicating grooves 7;

power unit is including setting up drive gear 11 of backup pad 6 below, drive gear 11's axle center is rotated and is installed down on the carousel 2, drive gear 11's annular array all around is provided with a plurality of racks 12 with drive gear 11 meshing, the embodiment of the utility model provides an in the embodiment with the drive gear 11 intermeshing's at center the quantity of rack 12 be four.

The rack 12 is slidably disposed on the lower turntable 2, specifically: the surface of the lower rotary table 2 is provided with a guide rail 14 for guiding the running of the rack 12. The guide rail 14 ensures the smoothness of the rack 12 during operation.

The vertical setting of side depression bar 9 is in the perpendicular to on the extension rod 15 of rack 12 installation, extension rod 15 towards drive gear 11 one side with connect through reset spring 16 between the carousel 2 down, reset spring 16 is on a parallel with and corresponds rack 12 sets up, drive gear 11 passes through power component drive rotation. Here, the power assembly is a motor (not shown) or a pull rod 13 connected to the outer side of one of the racks 12.

The outer side wall of the inner end of the rack 12 is provided with a first baffle 17, the lower turntable 2 is fixedly provided with a second baffle 18, and the second baffle 18 is arranged on one side corresponding to the running track of the rack 12 and used for limiting the first baffle 17, so that the driving gear 11 and the corresponding rack 12 are always meshed. The second stop plate 18 also prevents the rack 12 connected to the first stop plate 17 from slipping off the guide rail 14, limiting the range of travel of the rack 12.

The utility model discloses the theory of operation of device is:

before the brake disc 10 is placed, the pull rod 13 is pulled first, so that the rack 12 connected with the pull rod 13 moves along the guide rail 14, in the moving process, the driving gear 11 meshed with the rack 12 rotates, other racks 12 meshed with the driving gear 11 also move along the guide rail 14, namely, a plurality of racks 12 move synchronously, and the side pressure rod 9 arranged at the upper end of the extension rod 15 of the rack 12 moves along the abdicating groove 7.

Until the side pressure rods 9 move to proper positions, the fixing holes 20 of the brake disc 10 can be approximately sleeved on the corresponding side pressure rods 9. It should be noted that the diameter of the side pressure rods 9 is smaller than the diameter of the fixing holes 20, so that the brake disc 10 can be relatively easily positioned on the support plate 6.

After the pull rod 13 is released, the previously stretched return spring 16 is reset, the extension rod 15 connected with the return spring 16 and the side pressure rods 9 mounted thereon are also reset, and the plurality of side pressure rods 9 are pressed against the side walls of the corresponding fixing holes 20, so that the brake disc 10 can be quickly centered on the surface of the support plate 6.

And finally, driving the telescopic cylinder 4, and driving the pressure plate 5 to descend and press down the top surface of the brake disc 10 by an ejector rod of the telescopic cylinder 4 to realize the pressing and fixing of the brake disc 10, and then rotatably polishing the clamped brake disc 10.

The utility model discloses a pulling rack 12, the synchronous displacement of side pressure pole 9 of drive connection on each rack 12 is in order to adapt to the perforation of the fixed orifices 20 on the different specification and dimension brake discs 10, later loosen rack 12, under reset spring 16's elastic action, side pressure pole 9 will realize spacing between two parties to brake disc 10 at the in-process that resets, avoid brake disc 10 to remove at the horizontal direction, later drive pressure disk 5 descends, avoid brake disc 10 to remove along vertical direction at the in-process of polishing, thereby have better suitability, can improve the efficiency of polishing of follow-up brake disc 10.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a part is polished and is used clamping device which characterized in that: the automatic lifting device comprises a workbench (1), a lower rotary table (2) rotatably mounted on the workbench (1) and a gantry support (3) positioned above the lower rotary table (2), wherein a telescopic cylinder (4) is rotatably mounted on the gantry support (3), and a pressure plate (5) is mounted below the telescopic cylinder (4); the lower turntable (2) is provided with a supporting plate (6), a plurality of abdicating grooves (7) sequentially corresponding to fixing holes (20) on the surface of a brake disc (10) are formed in the supporting plate (6) in an annular array mode, the abdicating grooves (7) are distributed along the radial direction of the brake disc (10) on the supporting plate (6), side pressure rods (9) capable of pressing the side walls of the fixing holes (20) are arranged in the abdicating grooves (7) in a sliding mode, the lower end portions, extending to the abdicating grooves (7), of the side pressure rods (9) are connected with the same power mechanism, and the power mechanism drives the side pressure rods (9) to synchronously run along the corresponding abdicating grooves (7);

power unit is including setting up drive gear (11) of backup pad (6) below, the axle center of drive gear (11) is rotated and is installed down on carousel (2), the annular array all around of drive gear (11) is provided with rack (12) a plurality of and drive gear (11) meshing, rack (12) slide to set up down on carousel (2), the vertical setting of side depression bar (9) is at the perpendicular to on extension rod (15) of rack (12) installation, extension rod (15) towards one side of drive gear (11) with connect through reset spring (16) down between carousel (2), reset spring (16) are on a parallel with and correspond rack (12) set up, drive gear (11) are rotatory through the power component drive.

2. The clamping device for grinding parts as claimed in claim 1, wherein: the power component is a motor or a pull rod (13) connected to the outer side of one of the racks (12).

3. The clamping device for grinding parts as claimed in claim 1, wherein: and a guide rail (14) for guiding the running of the rack (12) is arranged on the surface of the lower turntable (2).

4. The clamping device for grinding parts as claimed in claim 1, wherein: the outer side wall of the inner end of the rack (12) is provided with a first baffle (17), a second baffle (18) is fixedly arranged on the lower rotary table (2), and the second baffle (18) is arranged on one side corresponding to the running track of the rack (12) and used for limiting the first baffle (17), so that the driving gear (11) is always meshed with the corresponding rack (12).

5. The clamping device for grinding parts as claimed in claim 1, wherein: the top end of the gantry support (3) is rotatably provided with an upper turntable (19), and the telescopic cylinder (4) is vertically and fixedly arranged on the upper turntable (19).