Jig for scribing machine

Abstract

The utility model relates to the technical field of scribing machine processing, and discloses a scribing machine jig which comprises a jig body, a vacuum cavity is arranged in the middle of the jig body, negative pressure is introduced into an inner cavity of the vacuum cavity to adsorb and fix a workpiece, a circle of jig blocking edge is arranged on the upper end face of the jig body around the vacuum cavity, and the upper end face of the jig body is provided with a groove. The shape defined by the jig flanges is consistent with the shape of a workpiece, knife stone bases are fixedly arranged on the two sides of the jig body, knife sharpening plates are detachably installed on the upper end faces of the knife stone bases, the lower end face of the jig body is adsorbed and fixed through a vacuum suction cup, and the first suction cup connector communicates with the vacuum cavity. According to the utility model, a workpiece is adsorbed and fixed by negative pressure through the vacuum cavity, and meanwhile, the influence of cut leftover materials on subsequent processing can be effectively prevented by matching with the limitation of the fixture flange; and through the knife sharpening plate arranged in the scribing area, knife sharpening can be achieved without shutdown, and the production efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of scriber processing technology, specifically to a fixture for scriber. BACKGROUND

[0002] The conventional clamping mode of the grinding wheel scriber adopts the film pasting process, the workpiece is pasted on the adhesive film by the steel ring bearing the adhesive film, and the workpiece is fixed by the way of vacuum adsorbing the adhesive film. However, for the Mini-LED COB packaging product, the electronic components on the back of the product cannot be fixed by the adhesive film, so when the scriber processes the workpiece, the removed corner material is easy to move and cause the tool to break, which is not conducive to the stable processing of the scriber to the workpiece. The existing scriber blade needs to be sharpened after a long time of use. In the prior art, the scriber blade is usually sharpened by stopping the machine, which increases the cost of sharpening and affects the overall production efficiency. SUMMARY

[0003] (I) Technical problems solved

[0004] In view of the deficiencies of the prior art, the utility model provides a fixture for scriber, which solves the problem that the existing fixture for fixing the workpiece of the scriber is not convenient for stable fixing of various workpieces, and the removed corner material is easy to move and cause the tool to break during scriber cutting, and it is not convenient to sharpen the tool quickly, and the production efficiency is low.

[0005] (II) Technical solutions

[0006] To achieve the above purpose, the utility model realizes the following technical solutions:

[0007] A fixture for scriber, comprising a fixture body, a vacuum cavity is arranged in the middle of the fixture body, the inner cavity of the vacuum cavity is connected to negative pressure to adsorb and fix the workpiece, a circle of fixture stop edge is arranged around the vacuum cavity on the upper end face of the fixture body, the shape surrounded by the fixture stop edge is consistent with the shape of the workpiece, a grinding stone base is fixedly arranged on both sides of the fixture body, a grinding plate is detachably mounted on the upper end face of the grinding stone base, the lower end face of the fixture body is adsorbed and fixed by a vacuum suction cup, a first suction cup connector for providing negative pressure is arranged on the vacuum suction cup, and the first suction cup connector is communicated with the vacuum cavity.

[0008] Preferably, a plurality of supporting protrusions are arranged on the cavity bottom of the vacuum cavity, and the supporting protrusions are used to support the lower end face of the workpiece.

[0009] Preferably, a main adsorption channel and a vice adsorption channel are arranged in the inner cavity of the vacuum suction cup, the first suction cup connector is communicated with the vacuum cavity through the main adsorption channel, and a second suction cup connector communicated with the vice adsorption channel is arranged on the vacuum suction cup close to the first suction cup connector.

[0010] Preferably, one side of the jig body is arranged with an intermediate joint in communication, and the auxiliary adsorption channel is in communication with the intermediate joint.

[0011] Preferably, the upper part of the whetstone base is provided with a vacuum adsorption groove, one side of the whetstone base is provided with a side adsorption joint in communication with the vacuum adsorption groove, and the intermediate joint is in communication with the side adsorption joint through a pipeline.

[0012] Preferably, the upper end face of the jig body is arranged with a sealing ring around the edge of the vacuum cavity, the upper end face of the whetstone base is arranged with a sealing ring around the edge of the vacuum adsorption groove, and the upper end face of the whetstone base is provided with a raised edge for limiting the whetstone plate.

[0013] (III) Beneficial effects

[0014] The utility model has the following beneficial effects:

[0015] The jig for the wafer dicing machine is provided with a vacuum cavity arranged in the middle of the jig body, which can stably adsorb and fix the workpiece in vacuum, and the jig stopper arranged on the jig body has a shape consistent with that of the workpiece, so that the cut-off edge and corner material can be prevented from affecting subsequent processing. The vacuum adsorption disc arranged on the jig body can adsorb and fix the entire jig body through negative pressure, so that the jig body of different sizes can be quickly disassembled and replaced for subsequent workpieces of different sizes, the application range of the jig for the workpiece is improved, and the whetstone plate arranged on the jig body can realize on-line whetstone grinding without stopping the machine, thereby effectively improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the clamped workpiece state structure of the utility model;

[0017] Figure 2 It is a schematic view of the overall structure from the bottom of the utility model;

[0018] Figure 3 It is a schematic view of the A-A direction sectional structure of the utility model;

[0019] Figure 4 It is a schematic view of the main component disassembly structure of the utility model;

[0020] Figure 5 It is a schematic view of the auxiliary adsorption channel layout structure of the utility model.

[0021] In the figure: 1, jig body; 2, jig blocking edge; 3, vacuum cavity; 4, supporting protrusion; 5, workpiece; 6, vacuum chuck; 7, first chuck connector; 8, main suction channel; 9, second chuck connector; 10, auxiliary suction channel; 11, intermediate connector; 12, whetstone base; 13, vacuum suction groove; 14, side suction connector; 15, whetstone plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figure 1 The present application provides a technical solution: a jig for a scribing machine, comprising a jig body 1, a vacuum cavity 3 is arranged in the middle of the jig body 1, the inner cavity of the vacuum cavity 3 is connected to a negative pressure for adsorbing and fixing the workpiece 5, a circle of jig blocking edges 2 is arranged around the vacuum cavity 3 on the upper end surface of the jig body 1, the shape enclosed by the jig blocking edges is consistent with the shape of the workpiece 5, whetstone bases 12 are fixedly arranged on both sides of the jig body 1, whetstone plates 15 are detachably installed on the upper end surface of the whetstone bases 12, the lower end surface of the jig body 1 is adsorbed and fixed by a vacuum chuck 6, a first chuck connector 7 for providing negative pressure is arranged in communication on the vacuum chuck 6, and the first chuck connector 7 is in communication with the vacuum cavity 3. Among them, the jig blocking edges 2 are arranged in short strips, which can facilitate the taking and placing of the workpiece. Among them, the front and rear edges of the upper end surface of the jig body 1 are symmetrically arranged with jig height measuring reserved protruding edges, which are used for height measurement to adjust the position of the blade in real time, so as to avoid cutting errors caused by uneven material thickness or blade wear. Height measurement before the scribing machine works is to ensure the accuracy and efficiency of the cutting process, reduce blade wear, improve measurement accuracy, and adapt to the processing needs of different materials and thicknesses. Through accurate height measurement and height adjustment, operation safety can be ensured, maintenance and calibration are facilitated, and finally production efficiency is improved.

[0024] The utility model discloses, through the vacuum cavity 3 that is set up in the middle part of jig body 1, can stabilize vacuum adsorption fixed workpiece 5, and because the jig baffle 2 of arranging on jig body 1, the shape that encloses is consistent with workpiece 5 shape, can prevent the edge and corner material of cutting over influence subsequent processing, through the vacuum chuck 6 that is set up, can through negative pressure adsorption fixed whole jig body 1, thereby convenient subsequent quick disassembly replacement different size's jig body 1 to different size's workpiece 5, improve the application scope of whole jig to workpiece 5, through the whetstone plate 15 of arranging in jig body 1, need not stop machine and can realize on -line whetstone, effectively improve production efficiency.

[0025] With reference to Figure 4 With 5 As shown, in the embodiment, the cavity bottom of the vacuum cavity 3 is arranged with a plurality of support protrusions 4, which are used to support the lower end surface of the workpiece 5. Through the arrangement of the support protrusions 4, when the vacuum cavity 3 adsorbs and fixes the workpiece 5 by negative pressure, it can play a supporting role for the workpiece 5, avoiding the local deformation of the workpiece 5 due to the suction force generated by negative pressure, affecting the accuracy of subsequent slicing and cutting.

[0026] With reference to Figures 2-4 As shown, in the embodiment, the inner cavity of the vacuum chuck 6 is arranged with a main adsorption channel 8 and a secondary adsorption channel 10, the first chuck joint 7 is communicated with the vacuum cavity 3 through the main adsorption channel 8, and the second chuck joint 9 communicated with the secondary adsorption channel 10 is arranged near the first chuck joint 7 of the vacuum chuck 6. The first chuck joint 7 is arranged in cooperation with the main adsorption channel 8 to generate negative pressure in the vacuum cavity 3, thereby adsorbing and fixing the workpiece 5 to be processed; at the same time, through the arrangement of the second chuck joint 9, a plurality of channels are arranged on the vacuum chuck 6 to communicate with the vacuum cavity 3, so that when different strength negative pressure adsorption is needed, other channels are opened to enhance the negative pressure generated in the vacuum cavity 3, thereby being able to adapt to different types of workpiece 5 slicing processing.

[0027] In the embodiment, the intermediate joint 11 is arranged on one side of the jig body 1, and the secondary adsorption channel 10 is communicated with the intermediate joint 11.

[0028] With reference to Figure 4 With 5As shown, in the embodiment, the upper part of the whetstone base 12 is provided with a vacuum suction groove 13, one side of the whetstone base 12 is provided with a side suction connector 14 communicated with the vacuum suction groove 13, and the intermediate connector 11 is communicated with the side suction connector 14 through a pipeline. Through the intermediate connector 11 and the auxiliary suction channel 10, the negative pressure introduced through the second suction connector 9 is sent to the side suction connector 14 through the auxiliary suction channel 10 and the intermediate connector 11, so that the negative pressure is generated in the vacuum suction groove 13, thereby adsorbing and fixing the whetstone plate 15. The whetstone plate 15 can be conveniently and quickly installed and dismounted without the aid of other fasteners, and the overall installation cost is low. In addition to the negative pressure adsorption, the whetstone plate 15 can also be fixed by pasting glue.

[0029] In the embodiment, the upper end face of the jig body 1 is arranged with a sealing ring around the edge of the vacuum cavity 3, the upper end face of the whetstone base 12 is arranged with a sealing ring around the edge of the vacuum suction groove 13, and the upper end face of the whetstone base 12 is provided with a raised edge for limiting the whetstone plate 15. Referring to Figure 4 As shown, through the sealing ring, the sealing performance of the entire vacuum cavity 3 and the vacuum suction groove 13 can be ensured when the workpiece 5 and the whetstone plate 15 are adsorbed and fixed, thereby improving the stability of the negative pressure adsorption of the workpiece 5 and the whetstone plate 15. Through the raised edge arranged on the whetstone base 12, the stability of the whetstone plate 15 after being adsorbed, installed and fixed can be ensured, which is conducive to the stable online whetting.

[0030] It should be noted that, in this 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. Without further limitation, inclusion of an element in a list of elements does not exclude other identical elements not expressly listed or inherent to the process, method, article, or apparatus.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A jig for a dicing saw, comprising a jig body, characterized by: The middle part of the jig body is provided with a vacuum cavity, the inner cavity of the vacuum cavity is communicated with negative pressure to adsorb and fix the workpiece, the upper end face of the jig body is arranged with a circle of jig stop around the vacuum cavity, the shape surrounded by the jig stop is consistent with the shape of the workpiece, the both sides of the jig body are fixedly provided with a whetstone base, the upper end face of the whetstone base is detachably installed with a whetstone plate, the lower end face of the jig body is adsorbed and fixed through a vacuum chuck, the vacuum chuck is communicated with a first chuck connector for providing negative pressure, and the first chuck connector is communicated with the vacuum cavity.

2. The apparatus according to claim 1, wherein: The cavity bottom of the vacuum cavity is arranged with a plurality of supporting protrusions for supporting the lower end face of the workpiece.

3. The apparatus according to claim 1, wherein: The inner cavity of the vacuum chuck is arranged with a main adsorption channel and a vice adsorption channel, the first chuck connector is communicated with the vacuum cavity through the main adsorption channel, and the vacuum chuck is arranged with a second chuck connector communicated with the vice adsorption channel near the first chuck connector.

4. The apparatus according to claim 3, wherein: The side of the jig body is communicated with an intermediate connector, and the vice adsorption channel is communicated with the intermediate connector.

5. The apparatus according to claim 4, wherein: The upper part of the whetstone base is provided with a vacuum adsorption groove, one side of the whetstone base is provided with a side adsorption connector communicated with the vacuum adsorption groove, and the intermediate connector is communicated with the side adsorption connector through a pipeline.

6. The apparatus according to claim 5, wherein: The upper end face of the jig body is arranged with a sealing ring around the edge of the vacuum cavity, the upper end face of the whetstone base is arranged with a sealing ring around the edge of the vacuum adsorption groove, and the upper end face of the whetstone base is provided with a protruding edge for limiting the whetstone plate. The middle part of the jig body is provided with a vacuum cavity, the inner cavity of the vacuum cavity is communicated with negative pressure to adsorb and fix the workpiece, the upper end face of the jig body is arranged with a circle of jig stop around the vacuum cavity, the shape surrounded by the jig stop is consistent with the shape of the workpiece, the both sides of the jig body are fixedly provided with a whetstone base, the upper end face of the whetstone base is detachably installed with a whetstone plate, the lower end face of the jig body is adsorbed and fixed through a vacuum chuck, the vacuum chuck is communicated with a first chuck connector for providing negative pressure, and the first chuck connector is communicated with the vacuum cavity. The cavity bottom of the vacuum cavity is arranged with a plurality of supporting protrusions for supporting the lower end face of the workpiece. The inner cavity of the vacuum chuck is arranged with a main adsorption channel and a vice adsorption channel, the first chuck connector is communicated with the vacuum cavity through the main adsorption channel, and the vacuum chuck is arranged with a second chuck connector communicated with the vice adsorption channel near the first chuck connector. The side of the jig body is communicated with an intermediate connector, and the vice adsorption channel is communicated with the intermediate connector. The upper part of the whetstone base is provided with a vacuum adsorption groove, one side of the whetstone base is provided with a side adsorption connector communicated with the vacuum adsorption groove, and the intermediate connector is communicated with the side adsorption connector through a pipeline. The upper end face of the jig body is arranged with a sealing ring around the edge of the vacuum cavity, the upper end face of the whetstone base is arranged with a sealing ring around the edge of the vacuum adsorption groove, and the upper end face of the whetstone base is provided with a protruding edge for limiting the whetstone plate.

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