A positioning fixture for quartz product processing

Abstract

This utility model provides a positioning fixture for quartz product processing, relating to the field of quartz product processing technology. It includes a base with several annularly arranged grooves distributed around a center on the upper surface of the base. A sliding shell is slidably installed within each groove, and a horizontally arranged rack spanning the sliding shell is fixedly installed on the inner wall of the groove. Two stepper motors are fixedly installed within the sliding shell. The meshing connection between the outer spur gear and the rack enables the outer spur gear to rotate under external force, causing it to roll on the rack, thus allowing the sliding shell to slide within the groove. By adjusting the movement path of the sliding shell in each groove, the relative positions of all sliding shells on the base can be adjusted. Therefore, it is convenient to use the pads on the screws inserted inside the sliding shells to support quartz parts of different sizes.

Description

Technical Field

[0001] This utility model relates to the field of quartz product processing technology, and in particular to a positioning tooling for quartz product processing. Background Technology

[0002] In the processing of quartz products, the surface of the quartz needs to be polished. To prevent the quartz product from shaking during polishing, it needs to be fixed in place. Therefore, a positioning fixture for quartz product processing (publication number CN218476467U) is available. In use, the quartz piece is placed horizontally on the upper side of the base, with the positioning protrusion fitting against the inner side of the quartz piece. Then, a cylinder operates, and the pressing roller presses against the upper side of the quartz piece. Under the action of an electric cylinder, the lifting seat moves downward, and the polishing head abuts against the upper side of the quartz piece, polishing it. Simultaneously, the drive gear rotates, driving the rotating seat to rotate. At this point, the polishing head begins to move along the upper edge of the quartz piece, and the pressing roller rolls along the upper edge until the entire upper edge of the quartz piece is polished. After polishing is complete, the polishing head stops, the cylinder shortens, the pressing roller disengages from the quartz piece, and the quartz piece can then be removed.

[0003] However, in the existing technology, the quartz products are fixed by positioning protrusions. But the positioning protrusions also limit the size of the quartz products that can be placed. That is, the inner diameter of the placed quartz product can only match the diameter of the positioning protrusion. If the inner diameter of the quartz product is too large, it will wobble relative to the positioning protrusion. If the inner diameter of the quartz product is too small, it will not be able to fit on the surface of the positioning protrusion. Utility Model Content

[0004] The purpose of this utility model is to solve the problems existing in the prior art by proposing a positioning tool for quartz product processing.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a positioning fixture for quartz product processing, comprising a base, wherein a plurality of annularly arrayed sliding grooves are formed on the upper surface of the base around the center; a sliding shell is slidably installed in the sliding grooves, and a horizontally arranged rack spanning the sliding shell is fixedly installed on the inner wall of the sliding grooves; two stepper motors are fixedly installed in the sliding shell, wherein the main shaft of one stepper motor extends outward through the sliding shell and is fixedly installed with an outer spur gear meshing with the rack; the main shaft of the other stepper motor is located inside the sliding shell and is fixedly installed with an inner spur gear; the inner spur gear meshes with an inner gear ring; the top of the inner shell of the sliding shell extends downward and is used to rotatably install the inner gear ring; a plug-in screw is threadedly connected to the inner wall of the inner gear ring; the surface of the plug-in screw is provided with a keyway and is inserted through and plugged into the extension of the sliding shell; and a pad is fixedly installed at the top of the plug-in screw.

[0006] Preferably, the pad is L-shaped and both the horizontal and vertical parts of the pad are rotatably connected to rubber rollers. The two rubber rollers in the same pad are used to contact the bottom edge of the quartz piece and the bottom edge of the inner wall, respectively.

[0007] Preferably, the outer wall of one side of the sliding shell is inserted into the inner wall of the sliding groove, and the insertion point between the sliding groove and the sliding shell is L-shaped.

[0008] Preferably, the base is rotatably connected to an edge toothed ring, and a horizontally arranged linear module is fixedly installed on the outer side of the edge toothed ring. The slider in the linear module extends outward and is inserted into a vertical guide rail. The top edge of the vertical guide rail is rotatably connected to a horizontal swing arm. An electric push rod is fixedly installed on the bottom edge of the swing end of the horizontal swing arm. The telescopic end of the electric push rod faces the upper surface of the base and is fixedly installed with an electric grinder.

[0009] Preferably, a stepper motor is also embedded in the side of the base, and the main shaft of the stepper motor on the side of the base is fixedly mounted with an edge spur gear that meshes with the edge gear ring.

[0010] Preferably, a vertically arranged lead screw is rotatably connected inside the vertical guide rail. The lead screw is arranged parallel to the vertical guide rail and is threaded through the top edge of the slider part of the linear module.

[0011] Preferably, a stepper motor is also embedded and fixedly installed at the top of the vertical guide rail, and the stepper motor at the top of the vertical guide rail is used to drive the swing arm to rotate.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, the meshing connection between the outer spur gear and the rack enables the outer spur gear to roll on the rack when driven to rotate under the action of external force, thereby realizing the sliding shell sliding in the groove. By adjusting the movement path of the sliding shell in each groove, the relative position of all sliding shells on the base can be adjusted. Therefore, it is convenient to use the pad on the screw inserted in the sliding shell to support quartz parts of different sizes.

[0013] 2. In this utility model, when dealing with irregular shapes, such as quartz parts with flat parts on the inner and outer sides, by adjusting the angle of the horizontal swing arm and cooperating with the linear module to drive the vertical guide rail to slide, the vertical guide rail can drive the horizontal swing arm and the electric grinder to move linearly back and forth. By cooperating with the extension and retraction of the electric push rod to raise and lower the electric grinder, the electric grinder can achieve full contact with the flat part. Attached Figure Description

[0014] Figure 1 A three-dimensional structural diagram of a positioning fixture for quartz product processing is provided for this utility model; Figure 2This utility model proposes a positioning fixture for quartz product processing. Figure 1 A schematic diagram of the structure viewed from below; Figure 3 This utility model proposes a positioning fixture for quartz product processing. Figure 1 A schematic diagram of the cross-sectional structure; Figure 4 This is a schematic cross-sectional view of the sliding shell.

[0015] Legend: 1. Base; 2. Edge gear ring; 3. Horizontal swing arm; 4. Electric push rod; 5. Electric grinder; 6. Vertical guide rail; 7. Linear module; 8. Slide groove; 9. Sliding shell; 10. Insert screw; 11. Edge spur gear; 12. Lead screw; 13. Stepper motor; 14. Inner gear ring; 15. Inner spur gear; 16. Rack; 17. Outer spur gear; 18. Pad; 19. Rubber roller shaft. Detailed Implementation

[0016] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0017] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0018] like Figures 1-4 As shown, a positioning fixture for quartz product processing includes a base 1. The upper surface of the base 1 has several annularly arranged grooves 8 around a center. A sliding shell 9 is slidably installed within each groove 8, and a horizontally arranged rack 16 spanning the sliding shell 9 is fixedly installed on the inner wall of the groove 8. One outer wall of the sliding shell 9 is inserted into the inner wall of the groove 8. The insertion point between the groove 8 and the sliding shell 9 is L-shaped, ensuring that the sliding shell 9 can only slide along the length of the groove 8. Figure 1As shown, the sliding shell 9 can only slide along the radius of the base 1 where the slide groove 8 is located. Two stepper motors 13 are fixedly installed inside the sliding shell 9. One stepper motor 13 has its main shaft extending outward through the sliding shell 9 and is fixedly installed with an outer spur gear 17 that meshes with the rack 16. The stepper motor 13 drives the outer spur gear 17 to rotate, and the meshing connection between the outer spur gear 17 and the rack 16 enables the outer spur gear 17 to roll on the rack 16, thereby enabling the sliding shell 9 to slide within the slide groove 8. The other stepper motor 13 has its main shaft located inside the sliding shell 9 and is fixedly installed with an inner spur gear 15. The inner spur gear 15 meshes with an inner gear ring 14. The top of the inner shell of the sliding shell 9 extends downward and is used to rotatably install the inner gear ring 14. The inner wall of the inner gear ring 14 is threaded with a plug screw 10. The surface of the plug screw 10 is provided with a keyway and is inserted through the extension of the sliding shell 9. A pad 18 is fixedly installed at the top of the plug screw 10. The pad 18 is L-shaped, and both its horizontal and vertical sections are rotatably connected to rubber roller shafts 19. Two rubber roller shafts 19 within the same pad 18 are used to contact the bottom edge and inner wall bottom edge of the quartz piece, respectively. Another stepper motor 13 drives the inner spur gear 15 to rotate, thus rotating the meshing inner gear ring 14. The insertion screw 10, due to its keyway and insertion into the sliding shell 9, does not rotate but moves with the rotation of the inner gear ring 14, using its threaded connection to the inner wall of the inner gear ring 14 to achieve lifting and lowering, thereby raising and lowering the pad 18. In actual use, when all pads 18 on the base 1 rise and fall synchronously, they can support quartz pieces with flat bottom surfaces. Independent lifting and sliding within the groove 8, combined with the sliding shell 9, allows for use with quartz pieces with irregular and uneven bottom surfaces. When facing regular shapes, such as rings, the two rubber roller shafts 19 on the pad 18 contact the surface of the quartz piece. Figure 4 As shown, the rotation of the annular quartz component can be achieved by driving the rubber roller shaft 19 on the side position to rotate by installing a servo motor on the top edge of the pad 18.

[0019] An edge gear ring 2 is rotatably connected to the side of the base 1. A stepper motor 13 is also embedded in the side of the base 1, and an edge spur gear 11 that meshes with the edge gear ring 2 is fixedly mounted on the spindle of the stepper motor 13 on the side of the base 1. By using the stepper motor 13 to drive the edge spur gear 11 to rotate, the meshing edge gear ring 2 can be rotated. A horizontally arranged linear module 7 is fixedly mounted on the outer side of the edge gear ring 2. The rotation of the edge gear ring 2 enables the linear module 7 to revolve around the central axis of the base 1. The slider inside the linear module 7 extends outward and is inserted into a vertical guide rail 6. The slider in the linear module 7 moves the vertical guide rail 6 along a straight line. A vertically positioned lead screw 12 is rotatably connected inside the vertical guide rail 6. The lead screw 12 is parallel to the vertical guide rail 6 and is threaded through the top edge of the slider portion of the linear module 7. In actual use, the lead screw 12 is driven to rotate by installing another servo motor at the bottom of the vertical guide rail 6. The threaded connection between the lead screw 12 and the slider of the linear module 7 enables the vertical guide rail 6 to rise and fall. A horizontal swing arm 3 is rotatably connected to the top edge of the vertical guide rail 6, and a stepper motor 1 is also embedded and fixedly installed at the top of the vertical guide rail 6. 3. The stepper motor 13 at the top of the vertical guide rail 6 drives the swing arm to rotate, and the stepper motor 13 at the top of the vertical guide rail 6 drives the horizontal swing arm 3 to rotate horizontally. An electric push rod 4 is fixedly installed at the bottom edge of the swing end of the horizontal swing arm 3. The telescopic end of the electric push rod 4 faces the upper surface of the base 1 and is fixedly installed with an electric grinder 5. The rotation of the horizontal swing arm 3 drives the electric push rod 4 and the electric grinder 5 to make arc movements, which, in conjunction with the lifting and lowering of the vertical guide rail 6, facilitates the contact between the electric grinder 5 and the inner, top, or outer edge of the quartz part. For quartz parts with regular shapes, such as rings with a circular arc surface, this is suitable. When the electric polisher 5 contacts the surface of the quartz piece, the edge toothed ring 2 drives the linear module 7 and the vertical guide rail 6 to rotate, so that the electric polisher 5 can slide along the surface of the annular quartz piece to achieve polishing. When facing irregular shapes, when the inner and outer sides of the quartz piece have flat parts, by adjusting the angle of the horizontal swing arm 3, and cooperating with the linear module 7 to drive the vertical guide rail 6 to slide, the vertical guide rail 6 can drive the horizontal swing arm 3 and the electric polisher 5 to move linearly back and forth. With the extension and retraction of the electric push rod 4, the electric polisher 5 can be raised and lowered to achieve full contact between the electric polisher 5 and the flat part.

[0020] The method of using this utility model is as follows: When in use, taking a circular quartz piece as an example, according to the diameter of the quartz piece, all the sliding shells 9 in the base 1 move synchronously, that is, drive the outer spur gear 17 to rotate, and use the meshing connection between the outer spur gear 17 and the rack 16 to realize the outer spur gear 17 rolling on the rack 16, thereby realizing the sliding shell 9 sliding in the slide groove 8. By adjusting the position of the sliding shell 9 in the slide groove 8, it is convenient to use the pad 18 at the top of the screw 10 inserted in the sliding shell 9 to provide uniform multi-point support for the surface of the quartz piece.

[0021] The wiring diagrams of the electric push rod 4, electric grinder 5, linear module 7, and stepper motor 13 in this utility model are common knowledge in the field. Their working principles are known technologies. The appropriate model is selected according to actual use. Therefore, the control methods and wiring layouts of the electric push rod 4, electric grinder 5, linear module 7, and stepper motor 13 will not be explained in detail.

[0022] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A positioning fixture for processing quartz products, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with several annularly arranged sliding grooves (8) around the center. A sliding shell (9) is slidably installed in the sliding groove (8), and a horizontally arranged rack (16) spanning the sliding shell (9) is fixedly installed on the inner wall of the sliding groove (8). Two stepper motors (13) are fixedly installed in the sliding shell (9). The main shaft of one stepper motor (13) extends outward through the sliding shell (9) and is fixedly installed with an outer spur gear (17) that meshes with the rack (16). The other stepper motor ( 13) The main shaft is located inside the sliding shell (9) and is fixedly installed with an inner spur gear (15). The inner spur gear (15) meshes with an inner gear ring (14). The top of the inner shell of the sliding shell (9) extends downward and is used to rotatably install the inner gear ring (14). The inner wall of the inner gear ring (14) is threaded with a plug screw (10). The surface of the plug screw (10) is provided with a keyway and is inserted through the extension of the sliding shell (9). A pad (18) is fixedly installed at the top of the plug screw (10).

2. The positioning fixture for quartz product processing according to claim 1, characterized in that: The pad (18) is L-shaped and the horizontal and vertical parts of the pad (18) are rotatably connected to rubber roller shafts (19). The two rubber roller shafts (19) in the same pad (18) are respectively used to contact the bottom edge of the quartz piece and the bottom edge of the inner wall.

3. The positioning fixture for quartz product processing according to claim 1, characterized in that: The outer wall of one side of the sliding shell (9) is inserted into the inner wall of the sliding groove (8), and the insertion point of the sliding groove (8) and the sliding shell (9) is L-shaped.

4. The positioning fixture for quartz product processing according to claim 1, characterized in that: The base (1) is rotatably connected to an edge toothed ring (2). A horizontally arranged linear module (7) is fixedly installed on the outer side of the edge toothed ring (2). The slider inside the linear module (7) extends outward and is inserted into a vertical guide rail (6). A horizontal swing arm (3) is rotatably connected to the top edge of the vertical guide rail (6). An electric push rod (4) is fixedly installed on the bottom edge of the swing end of the horizontal swing arm (3). The telescopic end of the electric push rod (4) faces the upper surface of the base (1) and is fixedly installed with an electric grinder (5).

5. The positioning fixture for quartz product processing according to claim 4, characterized in that: The base (1) is also embedded with a stepper motor (13) on its side, and the main shaft of the stepper motor (13) on the side of the base (1) is fixedly installed with an edge spur gear (11) that meshes with the edge gear ring (2).

6. The positioning fixture for quartz product processing according to claim 4, characterized in that: The vertical guide rail (6) is rotatably connected to a vertically arranged lead screw (12). The lead screw (12) is arranged parallel to the vertical guide rail (6) and is connected to the top edge threaded tube of the slider part of the linear module (7).

7. The positioning fixture for quartz product processing according to claim 4, characterized in that: A stepper motor (13) is also embedded and fixedly installed at the top of the vertical guide rail (6), and the stepper motor (13) at the top of the vertical guide rail (6) is used to drive the swing arm to rotate.

Images