Vacuum chuck for plane grinding machine

Abstract

The vacuum chuck for the plane grinding machine comprises a chuck body, the chuck body comprises an upper chuck body and a lower chuck body, the upper chuck body and the lower chuck body are fixedly connected, a cavity is formed in the bottom wall of the upper chuck body, a plurality of supporting rings are fixed to the top wall of the cavity, a plurality of airflow channels are symmetrically formed in the supporting rings, and the airflow channels are communicated with the upper chuck body and the lower chuck body. A plurality of sucking disc holes are formed in the top wall of the upper disc body in a penetrating manner; the lower tray is fixed at the axis position of the bottom wall of the lower tray body; the shaft seat is fixed on a rack of the plane grinding machine, and the utility model relates to the technical field of plane grinding machine accessories. A large-diameter ultrathin product to be ground can be adsorbed through the arranged suction cup body, a jig does not need to be additionally made for fixing when the large-diameter ultrathin product is machined, the large-diameter ultrathin product to be ground can be better adsorbed and attached to the top wall of the suction cup body through vacuum adsorption, the machining level is kept, and the machining efficiency is improved. And the flatness of the processed product is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plane grinding machine accessories, and specifically relates to a vacuum chuck for a plane grinding machine. BACKGROUND

[0002] A plane grinding machine is a mechanical device used for precision grinding and polishing of workpiece surfaces, widely used in industrial manufacturing. It applies pressure and friction to the workpiece surface through a high-speed rotating grinding wheel or polishing disc, thereby removing material and achieving the required flatness and smoothness. The main features of the plane grinding machine include high efficiency, precision, stability, and suitability for various materials (such as metal, ceramic, glass, etc.) for plane processing. This device is usually composed of a polishing disc, a workpiece clamp, a polishing liquid supply system, a motor, and a control system. The polishing disc is the core component, usually made of high-hardness, wear-resistant materials such as ceramic or cast iron. The plane grinding machine is widely used in the automotive, electronics, aerospace, precision instrument industries, and can meet the needs of high-precision processing. In addition, the plane grinding machine also has various types, such as disc-type grinding machine, shaft-type grinding machine, and special grinding machine, which can be selected according to different process requirements.

[0003] The existing plane grinding machine uses solid grinding discs, and the grinding disc is located below the product during the grinding process. The product is clamped and fixed by the jig. However, this setting method may cause deformation of the large-diameter and thin product during clamping, thereby affecting the grinding precision. Customizing special jigs requires time and cost.

[0004] Therefore, the utility model provides a vacuum chuck for a plane grinding machine, which can solve the above problems by setting the chuck body to adsorb and fix the large-diameter and thin product. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a vacuum chuck for a plane grinding machine, which solves the problem that the existing plane grinding machine jig is prone to deformation of the large-diameter and thin product during clamping, thereby affecting the grinding precision.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a vacuum chuck for a plane grinding machine, comprising:

[0007] The chuck body comprises an upper disc body and a lower disc body, and the upper disc body and the lower disc body are fixedly connected. A cavity is formed in the bottom wall of the upper disc body, and a plurality of support rings are fixed to the top wall of the cavity. A plurality of airflow channels are symmetrically formed in the support rings, and a plurality of chuck holes are formed in the top wall of the upper disc body.

[0008] Lower tray, the lower tray is fixed in the bottom wall axial position of the lower disc body;

[0009] Shaft seat, the shaft seat is fixed on the frame of the plane grinding machine, the mounting shaft is centrally rotatably installed in the shaft seat, and the mounting shaft is fixed in the bottom end axial position of the lower tray.

[0010] Preferably, the upper disc body and the lower disc body are fixedly connected through bolts, and the lower tray and the lower disc body are fixedly connected through bolts.

[0011] Preferably, the mounting shaft comprises a shaft body, a mounting seat is fixed to the top end of the shaft body, and a spline groove is formed in the bottom of the sidewall of the shaft body.

[0012] Preferably, the bottom wall of the lower tray is provided with a mounting groove, and the mounting seat is fixed in the mounting groove through bolts.

[0013] Preferably, the mounting seat is installed in the shaft seat through a first bearing, and the shaft body is installed in the shaft seat through a second bearing.

[0014] Preferably, the central positions of the shaft body, the mounting seat, the lower tray and the lower disc body are provided with vacuum channels.

[0015] Preferably, mounting holes are symmetrically formed in the edge of the side plate of the shaft seat.

[0016] Beneficial effects

[0017] The utility model provides a vacuum chuck for plane grinding machine, which has the following beneficial effects compared with the prior art:

[0018] (1) The vacuum chuck for plane grinding machine can adsorb large-diameter ultra-thin products to be ground through the setting of the chuck body. At the same time, the grinding disc of the plane grinding machine is arranged above the chuck body, and the adsorption and fixation mode of the chuck body is adopted. Therefore, no additional jig is needed to fix the large-diameter ultra-thin products to be ground during processing. At the same time, the vacuum adsorption can better adsorb and adhere the large-diameter ultra-thin products to be ground on the top wall of the chuck body, so that the level during processing is maintained, and the flatness of the processed products is better.

[0019] (2) The vacuum chuck for plane grinding machine can be conveniently installed on the plane grinding machine through the setting of the shaft seat and the mounting hole. The mounting shaft and the output shaft of the external motor are connected through two gears. The spline groove arranged on the shaft body can conveniently install the gears. At the same time, the bottom end of the shaft body is connected with the external negative pressure equipment through the rotary joint. When the negative pressure equipment works, the air in the chuck body can be extracted through the vacuum channels in the central positions of the shaft body, the mounting seat, the lower tray and the lower disc body, so that the chuck body can adsorb the products to be processed. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the external upper structure perspective view of the utility model;

[0021] Figure 2 is the external lower structure perspective view of the utility model;

[0022] Figure 3 is the sectional view of the utility model;

[0023] Figure 4 is the suction cup body structure perspective view of the utility model;

[0024] Figure 5 is the whole explosion view of the utility model.

[0025] Fig. 1, suction cup body; 11, upper disc body; 12, lower disc body; 13, cavity; 14, support ring; 15, airflow channel; 16, suction cup hole; 2, lower tray; 3, mounting shaft; 31, shaft body; 32, mounting seat; 33, spline groove; 4, No. 1 bearing; 5, No. 2 bearing; 6, shaft seat; 7, mounting groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Embodiment one:

[0028] Please refer to Figures 1-4 A vacuum suction cup for a plane grinding machine, comprising:

[0029] Suction cup body 1, the suction cup body 1 includes upper disc body 11 and lower disc body 12, and the upper disc body 11 and the lower disc body 12 are fixedly connected, the bottom wall of the upper disc body 11 is provided with a cavity 13, a plurality of support rings 14 are fixed on the top wall of the cavity 13, a plurality of airflow channels 15 are symmetrically provided on the support ring 14, and a plurality of suction cup holes 16 are provided through the top wall of the upper disc body 11.

[0030] Lower tray 2, the lower tray 2 is fixed at the bottom wall axial position of the lower disc body 12.

[0031] Shaft seat 6, the shaft seat 6 is fixed on the rack of the plane grinding machine, the mounting shaft 3 is rotatably installed in the center of the shaft seat 6, and the mounting shaft 3 is fixed at the bottom end axial position of the lower tray 2.

[0032] The upper disc body 11 and the lower disc body 12 are fixedly connected by bolts, and the lower tray 2 and the lower disc body 12 are fixedly connected by bolts.

[0033] In the embodiment, the suction disc body 1 is arranged to adsorb the large-diameter ultra-thin product to be ground, and the grinding disc of the flat surface grinder is arranged above the suction disc body 1. The suction disc body 1 is used to adsorb and fix the product to be ground, so that the jig is not needed to fix the product to be ground during the processing of the large-diameter ultra-thin product. The vacuum adsorption can better adsorb and fix the product to be ground on the top wall of the suction disc body 1, so that the horizontal state during processing is maintained, and the flatness of the product after processing is better. When the suction disc body 1 works, the external negative pressure equipment exhausts the air in the suction disc body 1, so that the product is adsorbed and fixed through the suction disc hole 16. The cavity 13 and the airflow channel 15 arranged on the upper disc body 11 can facilitate the exhaust of the gas in the suction disc body 1.

[0034] Embodiment two:

[0035] Please refer to Figures 1-5 , the embodiment provides a technical scheme based on the embodiment one:

[0036] The mounting shaft 3 comprises a shaft body 31, and a mounting seat 32 is fixed to the top end of the shaft body 31. A spline groove 33 is formed in the bottom of the side wall of the shaft body 31.

[0037] The bottom wall of the lower tray 2 is provided with a mounting groove 7, and the mounting seat 32 is fixed in the mounting groove 7 by bolts.

[0038] The mounting seat 32 is installed in the shaft seat 6 through a first bearing 4, and the shaft body 31 is installed in the shaft seat 6 through a second bearing 5.

[0039] Vacuum channels are formed in the central positions of the shaft body 31, the mounting seat 32, the lower tray 2 and the lower disc body 12.

[0040] Mounting holes are symmetrically formed in the edges of the side plates of the shaft seat 6.

[0041] In the embodiment, the shaft seat 6 cooperates with the mounting holes to facilitate the installation of the device on the flat surface grinder. The mounting shaft 3 is connected to the output shaft of the external motor through two gears. The spline groove 33 arranged on the shaft body 31 can facilitate the installation of the gears. The bottom end of the shaft body 31 is connected to the external negative pressure equipment through a rotary joint. When the negative pressure equipment works, the air in the suction disc body 1 can be exhausted through the vacuum channels in the central positions of the shaft body 31, the mounting seat 32, the lower tray 2 and the lower disc body 12, so that the suction disc body 1 can adsorb the product to be processed.

[0042] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0043] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0044] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A vacuum chuck for a planar grinder, characterized by, Include: Sucking disc body (1), the sucking disc body (1) includes upper disc body (11) and lower disc body (12), and the upper disc body (11) and lower disc body (12) are fixedly connected, the bottom wall of the upper disc body (11) is provided with cavity (13), the top wall of the cavity (13) is fixed with several support rings (14), the support ring (14) is symmetrically provided with several airflow channels (15) on it, and the top wall of the upper disc body (11) is provided with several sucking disc holes (16) penetratingly; Lower tray (2), the lower tray (2) is fixed at the bottom wall axial position of the lower disc body (12); Shaft seat (6), the shaft seat (6) is fixed on the rack of the plane grinding machine, the central rotating installation of the shaft seat (6) has installation shaft (3), and the installation shaft (3) is fixed at the bottom end axial position of the lower tray (2).

2. The vacuum chuck for a flat lapping machine according to claim 1, wherein The upper disc body (11) and lower disc body (12) are fixedly connected by bolts, and the lower tray (2) and lower disc body (12) are fixedly connected by bolts.

3. The vacuum chuck for a flat lapping machine according to claim 1, wherein The installation shaft (3) includes shaft body (31), the top end of the shaft body (31) is fixed with mounting seat (32), and the side wall bottom of the shaft body (31) is provided with spline groove (33).

4. A vacuum chuck for a flat lapping machine according to claim 3, wherein The bottom wall of the lower tray (2) is provided with mounting groove (7), and the mounting seat (32) is fixed in the mounting groove (7) by bolts.

5. A vacuum chuck for a flat lapping machine according to claim 3, wherein The mounting seat (32) is installed in the shaft seat (6) through the first bearing (4), and the shaft body (31) is installed in the shaft seat (6) through the second bearing (5).

6. A vacuum chuck for a flat lapping machine according to claim 3, wherein The central position of the shaft body (31), mounting seat (32), lower tray (2) and lower disc body (12) is provided with vacuum channel.

7. The vacuum chuck for a flat lapping machine according to claim 1, wherein The side plate edge of the shaft seat (6) is symmetrically provided with mounting hole.

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