CN215789122U

CN215789122U - Negative pressure type fixing clamp for quartz processing

Info

Publication number: CN215789122U
Application number: CN202121991210.3U
Authority: CN
Inventors: 章和生; 袁珊珊; 王泽雄; 周贤命; 何求
Original assignee: Wenzhou Lianzhi Automation Technology Co ltd
Current assignee: Wenzhou Lianzhi Automation Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-11
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a negative pressure type fixing clamp for quartz processing, and belongs to the technical field of quartz processing fixing clamp devices. A quartz processing negative pressure type fixing clamp comprises a clamp disc, wherein an inner concave area is arranged in the center of the clamp disc, a cross-shaped shallow groove communicated with the inner concave area is formed in the center of the clamp disc, a positioning column is arranged in the positioning groove, a negative pressure hole is formed in the top of the clamp disc, mounting holes are formed in the corners of the clamp disc, a bearing surface is arranged on the top of the clamp disc, the negative pressure hole is formed in the center of a sinking area, a boss is arranged at the edge of the sinking area, and a supporting block horizontal to the top surface of the boss is arranged on the bearing surface; a through hole is formed in the positioning groove, and annular flow guide surfaces are formed at the top of the through hole and the top of the mounting hole; the flow guide arc-shaped surface is arranged on the bottom surface of the inner concave area and is connected with the two groups of discharge holes; the distance between the boss and the bearing surface of the supporting block and the quartz workpiece ensures sealing and is convenient for slag discharge, and the positioning accuracy and the positioning convenience of the quartz workpiece are improved.

Description

Negative pressure type fixing clamp for quartz processing

Technical Field

The utility model relates to the technical field of quartz processing fixing clamp devices, in particular to a quartz processing negative pressure type fixing clamp.

Background

Quartz is one type of glass, but differs from other glasses. Other glasses are generally made by mixing and melting various components together; the quartz glass is an amorphous material with a single silicon dioxide component, the microstructure of the quartz glass is a simple network consisting of silicon dioxide four-sided structural body structural units, and the quartz glass has unique performance due to the large Si-O chemical bond energy and the compact structure, has extremely low thermal expansion coefficient, higher temperature resistance, excellent chemical stability, excellent electrical insulation property, low and stable ultrasonic delay performance, optimal ultraviolet spectrum transmission performance and visible light and near infrared spectrum transmission performance, and has mechanical performance higher than that of common glass. After a proper quartz piece is selected for processing, the quartz piece can be applied to the fields of space technology, atomic energy industry, national defense equipment, automatic systems, semiconductors, metallurgy, chemical engineering, electric light sources, communication, light industry, building materials and the like.

The existing quartz workpiece processing has replaced the traditional procedures of fixing a quartz workpiece on quartz glass after waxing, polishing and the like, but uses a special negative pressure type fixing clamp, so that the positioning accuracy of the quartz workpiece can be ensured, and the possible damage of the traditional quartz workpiece separation can be avoided, but in practical use, a sealing ring is required to be used at a negative pressure port of the quartz workpiece clamp, the sealing ring can be dislocated once the quartz workpiece is subjected to deviation adjustment in the manual placement process, so that the negative pressure fixing accuracy is reduced, even the situation of incapable adsorption is caused, in the polishing process, a group of waste residues which cannot be removed in time in the previous processing are easy to appear on the surface of a clamp disc, the adhesion degree between the quartz workpiece and the surface of the clamp is reduced, even the situation of pitting corrosion appears on the quartz workpiece, and the processing quality of the quartz workpiece is greatly reduced, therefore, the negative pressure type fixing clamp capable of effectively improving the processing quality of the quartz workpiece is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of low attaching degree and pitting corrosion of a quartz workpiece caused by poor adsorption effect and incomplete slag discharge of a traditional negative pressure clamp in the prior art, and provides a quartz processing negative pressure type fixing clamp.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a quartzy processing negative pressure formula mounting fixture, includes the anchor clamps dish, anchor clamps dish center is equipped with indent district and the cross shallow slot that is linked together with the indent district, be equipped with constant head tank and discharge hole in the indent district, be equipped with the reference column in the constant head tank, anchor clamps dish top is equipped with the negative pressure hole, the mounting hole has been seted up at anchor clamps dish edge angle, anchor clamps dish top is equipped with the loading end, the district that sinks has been seted up on the loading end, the negative pressure hole sets up the center in the district that sinks, it is equipped with the boss to sink the district edge, the boss is the annular island, be equipped with on the loading end with boss top surface horizontally supporting shoe.

Preferably, a through hole is formed in the positioning groove, a mounting hole is formed in the edge angle of the clamp disc, and annular flow guide surfaces are formed in the top of the through hole and the top of the mounting hole.

In order to improve the efficiency of slag and cleaning liquid discharging, preferably, the inclination angle range of the annular flow guide surface is: 30-60 degrees.

Preferably, the bottom surface of the inner concave area is provided with a flow guide arc-shaped surface, and the flow guide arc-shaped surface is connected with the two groups of discharge holes.

In order to reduce the contact area between the clamp and the quartz piece and provide enough supporting strength, preferably, the supporting blocks are provided with a plurality of groups, and the plurality of groups of supporting blocks are symmetrically distributed along the cross-shaped shallow groove.

In order to improve the stability of the positioning column, preferably, a clamping groove is formed in the positioning column, a clamping block is detachably connected in the positioning groove, and the clamping block corresponds to the clamping groove.

In order to increase the slag discharge efficiency of the surface of the clamp disc, preferably, a lower concave surface is arranged on the bearing surface, the mounting hole is formed in the lower concave surface, and the mounting hole penetrates through the clamp disc.

In order to apply negative pressure to the negative pressure hole, a flow guide hole is formed in the side face of the clamp disc and communicated with the negative pressure hole.

In order to enhance the liquid drainage efficiency, furthermore, the fixture disc is provided with a sinking groove, and one end of the cross-shaped shallow groove, which is far away from the concave area, is communicated with the sinking groove.

Compared with the prior art, the utility model provides a quartz processing negative pressure type fixing clamp which has the following beneficial effects:

1. according to the quartz processing negative pressure type fixing clamp, by increasing the distance between the bearing surface and the quartz workpiece, waste liquid or waste residues can be conveniently discharged into the cross-shaped shallow groove in time during processing, so that the quartz workpiece is prevented from being subjected to pitting corrosion by residual particles, and the processing quality of the quartz workpiece is effectively guaranteed;

2. according to the quartz processing negative pressure type fixing clamp, waste liquid or waste residue can be better guided to flow into the bottom of the concave area and flow out of the discharge hole through the flow guide arc-shaped surface, part of the waste liquid or waste residue entering the positioning groove can be discharged through the through hole, the inclined annular flow guide surface at the top of the through hole can accelerate discharge, the waste residue is prevented from being left in the positioning groove for a long time, abrasion is caused to the positioning column, and the long service life and high positioning accuracy of the positioning column are guaranteed;

3. this quartzy processing negative pressure formula mounting fixture through the fixed mode of fixture block, has not only guaranteed the stability and the positioning accuracy of reference column, the later stage of still being convenient for is changed the reference column.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the top plane of the boss can be well attached to the surface of the quartz workpiece, so that the effect of replacing the traditional sealing ring is achieved, the cost is saved, the negative pressure adsorption force of the negative pressure hole can be ensured, and the positioning accuracy and the positioning convenience of the quartz workpiece are improved.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a chuck plate according to the present invention;

FIG. 3 is a schematic structural view of portion A of FIG. 2 according to the present invention;

FIG. 4 is a second schematic structural view of the present invention;

fig. 5 is a third schematic structural diagram of the present invention.

In the figure: 1. a clamp plate; 2. a negative pressure hole; 3. a boss; 4. a bearing surface; 5. a lower concave surface; 6. mounting holes; 7. a support block; 8. a cross-shaped shallow slot; 9. sinking a groove; 10. a flow guide hole; 11. a recessed area; 12. a flow guide arc-shaped surface; 13. a discharge hole; 14. positioning a groove; 15. a positioning column; 16. a clamping block; 17. a card slot; 18. a sinking zone; 19. a cylinder; 20. a first limiting part; 21. a positioning part; 22. a threaded hole; 23. a second limiting part; 24. sinking the dough; 25. a limiting hole; 26. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1, fig. 2 and fig. 3, a quartz processing negative pressure formula mounting fixture, including anchor clamps dish 1, anchor clamps dish 1 center is equipped with indent district 11 and the cross shallow slot 8 that is linked together with indent district 11, be equipped with constant head tank 14 and discharge hole 13 in the indent district 11, be equipped with reference column 15 in the constant head tank 14, anchor clamps dish 1 top is equipped with negative pressure hole 2, mounting hole 6 has been seted up to anchor clamps dish 1 corner, anchor clamps dish 1 top is equipped with loading end 4, the district 18 that sinks has been seted up on loading end 4, negative pressure hole 2 sets up the center at the district 18 that sinks, the district 18 edge that sinks is equipped with boss 3, boss 3 is the annular island, be equipped with on loading end 4 with boss 3 top surface horizontally supporting shoe 7. A through hole is formed in the positioning groove 14, and annular flow guide surfaces are formed at the top of the through hole and the top of the mounting hole 6; a flow guide arc-shaped surface 12 arranged on the bottom surface of the inner concave area 11, wherein the flow guide arc-shaped surface 12 is connected with two groups of discharge holes 13.

When a single group of quartz plate workpieces are processed, the clamp disc 1 is fixed by penetrating through the mounting hole 6 through screws, then the quartz workpieces are directly placed on four groups of bearing surfaces 4, the bosses 3 integrally formed around the circular sinking zone 18 are arranged at the position, the height of each boss is larger than the horizontal height of the corresponding bearing surface 4, the top planes of the bosses 3 can be well attached to the surfaces of the quartz workpieces, so that the effect of replacing the traditional sealing rings is achieved, the negative pressure adsorption force of the negative pressure holes 2 can be ensured while the cost is saved, the positioning accuracy and the positioning convenience of the quartz workpieces are improved, the supporting blocks 7 which are at the same level as the bosses 3 are regularly arranged on the four bearing surfaces 4 and are symmetrical by taking the cross-shaped shallow grooves 8 as a central line, the same bearing force of the quartz workpieces during polishing is ensured, the quartz workpieces are prevented from being damaged by being pressed, and the distance between the bearing surfaces 4 and the quartz workpieces can be increased, the waste liquid or waste residue is convenient to be discharged into the cross-shaped shallow groove 8 in time during processing, the point corrosion of the quartz workpiece caused by the residual particles is prevented, the processing quality of the quartz workpiece is effectively ensured, waste liquid and waste slag generated during processing can be discharged into the recessed area 11 or directly around the chuck disk 1, while waste slag discharged into the recessed area 11 can be discharged through the discharge holes 13, moreover, the bottom side line of the inner concave area 11 is changed into the diversion arc-shaped surface 12, so that waste liquid or waste residue can be better guided to flow into the bottom of the inner concave area 11 and flow out from the discharge hole 13, and part of the waste liquid or waste residue entering the positioning groove 14 can be discharged through the through hole, and the inclined annular flow guide surface at the top of the through hole can accelerate the discharge, prevent the waste residue from being left in the positioning groove 14 for a long time, the positioning column 15 is abraded, and the long service life and high positioning accuracy of the positioning column 15 are guaranteed.

Referring to fig. 2, the supporting blocks 7 are provided with a plurality of groups, and the plurality of groups of supporting blocks 7 are symmetrically distributed along the cross-shaped shallow grooves 8, so that the supporting blocks 7 can ensure that the quartz workpieces have high pressure dispersion when being polished at various positions, prevent the quartz workpieces from being damaged in the quartz workpieces due to pressure concentration, and ensure the processing quality of the quartz workpieces.

The inclination angle range of the annular flow guide surface is as follows: 30-60 degrees, when the large-scale rapid processing is carried out, the inclination angle of the annular flow guide surface is selected to be 30 degrees, the waste liquid can be ensured to be timely discharged from the mounting hole 6 and the through hole, the quality of residual liquid is reduced, the cleaning workload of workers is reduced, when few mass production or samples need to be made, the annular flow guide surface with the inclination angle of 60 degrees can be selected, the discharge flow rate of the waste liquid is reduced, the workers can conveniently take samples of all processing positions at any time, the grinding quality of positions subjected to different supporting force and the grinding grain-out effect of each position are checked, when in normal production, the annular flow guide surface with the inclination angle of 45 degrees can be selected, the self-molding of the clamp disc 1 is facilitated, and liquid accumulation can be prevented.

Referring to fig. 3, a clamping groove 17 is formed in the positioning column 15, a clamping block 16 is detachably connected in the positioning groove 14, the clamping block 16 corresponds to the clamping groove 17, when the positioning column 15 is installed, the positioning column 15 is firstly placed in the through hole, the clamping groove 17 on the positioning column is exposed, the clamping block 16 is fixed in the positioning groove 14 through a screw and inserted in the clamping groove 17, stability and positioning accuracy of the positioning column 15 are guaranteed, and the positioning column 15 is convenient to replace in the later period.

Referring to fig. 1 and 2, a lower concave surface 5 is arranged on a bearing surface 4, a mounting hole 6 is formed in the lower concave surface 5, the mounting hole 6 penetrates through a clamp disc 1, a diversion hole 10 is formed in the side surface of the clamp disc 1, the diversion hole 10 is communicated with a negative pressure hole 2, a sink groove 9 is formed in the clamp disc 1, one end, away from an inner concave area 11, of a cross-shaped shallow groove 8 is communicated with the sink groove 9, when a negative pressure machine is used for adsorption, a negative pressure pipe is firstly installed in the diversion hole 10 with threads, a sealing effect is ensured, when a quartz workpiece is machined, waste liquid and waste residues generated by grinding can directly flow out through the cross-shaped shallow groove 8 and are prevented from accumulating, the lower concave surface 5 which is lower than the bearing surface 4 can prevent corners of the quartz workpiece from being cushioned by the waste residues, the fitting degree of the quartz workpiece and the clamp disc 1 is ensured, and the machining quality is improved.

Example 2:

in order to better ensure the precision and the processing efficiency when processing the quartz plate and adapt to more quartz plate processing types, referring to fig. 1, fig. 2 and fig. 3, we propose an adjustable clamping sleeve for quartz processing, which comprises: the positioning device comprises a hollow column 19, wherein a first limiting part 20 and a positioning part 21 are fixedly connected to two ends of the column 19 respectively, and the positioning part 21 is a hollow annular sleeve and can limit a second limiting part 23 to prevent the second limiting part from swinging in the horizontal direction; the second limiting portion 23 is sleeved on the positioning portion 21, and the driving member passes through the second limiting portion 23 to be connected with the column 19 and is used for driving the second limiting portion 23 to approach or depart from the first limiting portion 20.

When fixing multiunit quartz work piece, at first use the lantern ring cover around multiunit quartz plate, insert the cylinder 19 in the centre bore of quartz plate afterwards, make the laminating of first spacing portion 20 tightly on the surface of quartz plate, at the spacing portion 23 of quartz group another side laminating second, and through the distance between the spacing portion 23 of driving piece restriction first spacing portion 20 and second, in order to ensure closely laminating between the multiunit quartz plate, fix the quartz plate after pressing from both sides tightly on quartzy negative pressure anchor clamps, can polish the processing, and at the in-process of polishing the pressurized, can effectively prevent misplacing between the multiunit quartz plate, guarantee the machining precision, prevent the quartz plate damage, and can be according to the distance between the two sets of spacing rings of quantity adjustment of quartz plate, promote its ability of centre gripping quartz plate.

Referring to fig. 2 and 3, a threaded hole 22 is formed in one surface, away from the first limiting portion 20, of the cylinder 19, a sinking surface 24 is formed on the second limiting portion 23, a positioning hole 26 corresponding to the threaded hole 22 is formed in the sinking surface 24, a bolt penetrates through the positioning hole 26, a threaded section of the bolt is screwed with the threaded hole 22 to change the distance between the second limiting portion 23 and the first limiting portion 20, one surface, close to the cylinder 19, of the second limiting portion 23 is recessed downwards to form the sinking surface 24, the cylinder 19 can be placed in the recess and attached to the sinking surface 24, the positioning hole 26 is a stepped hole, namely two sections of holes with different diameters are formed, the hole with the large diameter can be used for hiding the bolt head, the clamp disc 1 is prevented from being scratched when a quartz plate is placed, and the number of the positioning holes 26 and the threaded holes 22 is two or four.

After the first limiting part 20 and the second limiting part 23 are determined to be tightly attached to the quartz plate, the bolts penetrate through the positioning holes 26 and are connected into the threaded holes 22 in a threaded mode, each quartz plate is further locked, dislocation during machining is prevented, and the number of the bolts is not less than two, so that damage to the quartz plate due to uneven stress of the bolts is prevented.

First stop part 20 and second stop part 23 are the solid of revolution, and have seted up spacing hole 25 on the spacing portion 23 of second, and location portion 21 can freely slide in spacing hole 25, and the location portion 21 that is less than cylinder 19 through bayonet and diameter can make things convenient for two sets of spacing rings to align, and then the installation of the follow-up bolt of being convenient for promotes machining efficiency.

The first limiting portion 20 and the second limiting portion 23 are formed by two groups of pressure-resistant plates which are parallel to each other, the two groups of pressure-resistant plates are connected through a transition sleeve, the two annular plates with the diameters larger than the column 19 can be well attached to a quartz plate, the larger the diameter of each annular plate is, the smaller the concentrated stress on the quartz plate is, and therefore the integrity of the quartz plate during processing is better protected.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a quartzy processing negative pressure formula mounting fixture, includes anchor clamps dish (1), anchor clamps dish (1) center is equipped with indent district (11) and cross shallow slot (8) that are linked together with indent district (11), be equipped with constant head tank (14) and discharge hole (13) in indent district (11), be equipped with reference column (15) in constant head tank (14), anchor clamps dish (1) top is equipped with negative pressure hole (2), a serial communication port, anchor clamps dish (1) top is equipped with loading end (4), sunken district (18) have been seted up on loading end (4), negative pressure hole (2) set up the center in sunken district (18), sunken district (18) edge is equipped with boss (3), boss (3) are the annular island, be equipped with on loading end (4) with boss (3) top surface horizontally supporting shoe (7).

2. The quartz processing negative pressure type fixing clamp according to claim 1, characterized in that a through hole is formed in the positioning groove (14), a mounting hole (6) is formed at a corner of the clamp plate (1), and annular flow guide surfaces are formed at the tops of the through hole and the mounting hole (6).

3. The quartz processing negative pressure type fixing clamp as claimed in claim 2, wherein the inclination angle range of the annular flow guide surface is as follows: 30-60 degrees.

4. The negative pressure type quartz processing fixture according to claim 1, wherein the bottom surface of the inner concave area (11) is provided with a flow guide arc-shaped surface (12), and the flow guide arc-shaped surface (12) is connected with the two groups of discharge holes (13).

5. The quartz processing negative pressure type fixing clamp according to claim 1, characterized in that, the supporting blocks (7) are provided with a plurality of groups, and the groups of supporting blocks (7) are symmetrically distributed along the cross-shaped shallow grooves (8).

6. The quartz processing negative pressure type fixing clamp according to claim 1, wherein a clamping groove (17) is formed on the positioning column (15), a clamping block (16) is detachably connected in the positioning groove (14), and the clamping block (16) corresponds to the clamping groove (17).

7. The quartz processing negative pressure type fixing clamp according to claim 2, wherein a lower concave surface (5) is arranged on the bearing surface (4), the mounting hole (6) is formed on the lower concave surface (5), and the mounting hole (6) penetrates through the clamp disc (1).

8. The quartz processing negative pressure type fixing clamp according to claim 7, wherein a diversion hole (10) is formed in the side surface of the clamp disc (1), and the diversion hole (10) is communicated with the negative pressure hole (2).

9. The quartz processing negative pressure type fixing clamp according to claim 8, wherein a sunken groove (9) is formed in the clamp disc (1), and one end, far away from the inner concave area (11), of the cross-shaped shallow groove (8) is communicated with the sunken groove (9).