Chamfering clamp

Abstract

The utility model relates to a chamfering clamp which comprises a magnetic suction base plate, a magnetic suction positioning seat, a fastener and a positioning pressing plate. The magnetic attraction positioning seat can be attracted to the magnetic attraction base plate; a positioning clamping groove which is sunken in the vertical direction is defined by the magnetic suction positioning seat, and the positioning clamping groove is used for clamping the edge part of the sapphire square block; the positioning clamping groove comprises a first clamping groove face and a second clamping groove face which are perpendicular to each other, the first clamping groove face is used for being attached to one of a first side face and a second side face which are intersected at the edge of the sapphire square block, and the second clamping groove face is used for being attached to the other one of the first side face and the second side face. The limiting block is used for limiting the sapphire square block in the first direction; the positioning pressing plate is used for abutting against the sapphire square block downwards so as to limit the sapphire square block in the vertical direction. The sapphire square block with the non-standard size can be clamped through the chamfering clamp, then chamfering machining is conducted through a grinding machine, consumption of a large number of consumables is avoided, the machining period is short, and flexibility is good.

Description

Technical Field

[0001] The present disclosure relates to the technical field of fixtures, and in particular, to a chamfering fixture. Background Art

[0002] In the related art, when the standard parts of sapphire cubes are chamfered, CNC (Computerized Numerical Control) is often used for processing, which has high precision and high degree of automation. However, when the sapphire cubes of unconventional sizes are chamfered, the use of CNC for processing often consumes a large amount of consumables, has a long processing cycle, poor flexibility, and cannot perform efficient chamfering on non-standard sapphire cubes. Utility Model Content

[0003] The purpose of the present invention is to provide a chamfering fixture to solve the technical problems existing in the related art.

[0004] In order to achieve the above-mentioned object, the present disclosure provides a chamfering fixture, which includes a magnetic chassis, a magnetic positioning seat, a fastener and a positioning pressure plate;

[0005] The magnetic positioning seat can be adsorbed on the magnetic chassis;

[0006] The magnetic positioning seat defines a positioning slot that is recessed in the up-down direction, and the positioning slot is used to clamp the edge of the sapphire block;

[0007] The positioning slot includes a first slot surface and a second slot surface that are perpendicular to each other, the first slot surface is used to be fitted with one of the first side surface and the second side surface that intersect at the edge of the sapphire block, and the second slot surface is used to be fitted with the other of the first side surface and the second side surface, so as to limit the sapphire block in a first direction;

[0008] The positioning pressure plate is detachably connected to the magnetic positioning seat through the fastener, and the positioning pressure plate is used to press downward against the sapphire block to limit the sapphire block in the up and down directions.

[0009] Optionally, the first slot surface includes a first plane and a first curved surface, the first curved surface is connected to the lower edge of the first plane, and the second slot surface includes a second plane and a second curved surface; the second curved surface is connected to the lower edge of the second plane, and the lower edge of the first curved surface is connected to the lower edge of the second curved surface; wherein the first plane and the second plane are perpendicular to each other.

[0010] Optionally, the magnetic positioning seat further includes a first buffer layer, and the first buffer layer is laid on the first plane, the first curved surface, the second plane and the second curved surface.

[0011] Optionally, the chamfering fixture also includes a first magnetic stop block and a second magnetic stop block, and the first magnetic stop block and the second magnetic stop block can be adsorbed on the magnetic chassis, and the first magnetic stop block and the second magnetic stop block are respectively located on both sides of the magnetic positioning seat along the second direction, so as to be used to push against the two opposite sides of the sapphire block along the second direction; wherein the first direction and the second direction are located in a horizontal plane and are perpendicular to each other.

[0012] Optionally, the first magnetic stopper includes a third plane and a fourth plane perpendicular to each other, and the second magnetic stopper includes a fifth plane and a sixth plane perpendicular to each other;

[0013] The third plane and the fifth plane are used to be adsorbed on the magnetic chassis, and the fourth plane and the sixth plane are used to respectively abut against two opposite side surfaces of the sapphire block along the second direction.

[0014] Optionally, the first magnetic stopper further includes a second buffer layer, the second magnetic stopper further includes a third buffer layer, the second buffer layer is laid on the fourth plane, and the third buffer layer is laid on the sixth plane.

[0015] Optionally, the magnetic positioning seat includes an upper end surface connected to the upper end edge of the positioning slot, the upper end surface is recessed downward to form a first mounting hole, the positioning pressure plate is formed with a second mounting hole, and the fastener passes through the second mounting hole and the first mounting hole to connect the positioning pressure plate to the magnetic positioning seat.

[0016] Optionally, the positioning plate is extended along the first direction, one end of the positioning plate along the first direction is connected to the magnetic positioning seat through the fastener, and the other end of the positioning plate along the first direction is used to press downward against the sapphire block.

[0017] Optionally, the positioning pressure plate is made of polyvinyl chloride.

[0018] Optionally, the magnetic chassis is constructed as an electromagnetic suction cup, and the magnetic positioning seat is made of ferromagnetic metal.

[0019] In the above technical solution, firstly, the magnetic positioning seat can be adsorbed on the magnetic chassis, which is convenient for positioning the magnetic positioning seat on the magnetic chassis and adjusting the position of the magnetic positioning seat. Secondly, the positioning slot on the magnetic positioning seat can position the sapphire block in the first direction and can limit the placement angle of the sapphire block. In addition, the positioning pressure plate can be pressed downward against the sapphire block to limit the sapphire block in the up and down directions, thereby clamping the sapphire block. For sapphire blocks of non-standard sizes, the chamfering fixture can be used to clamp them, and then the grinder can be used for chamfering, which avoids the consumption of a large amount of consumables, has a short processing cycle and good flexibility.

[0020] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0022] Figure 1 1 is a schematic diagram of the structure of a chamfering fixture according to an embodiment of the present invention, and a sapphire cube is also shown in the figure.

[0023] Figure 2 It is a structural schematic diagram of a magnetic positioning seat of a chamfering fixture according to an embodiment of the present invention.

[0024] Figure 3 It is a schematic structural diagram of a first magnetic stopper or a second magnetic stopper of a chamfering fixture according to an embodiment of the present invention.

[0025] Description of Reference Numerals

[0026] 1. Magnetic chassis; 2. Magnetic positioning seat; 20. Positioning slot; 201. First slot surface; 2011. First plane; 2012. First arcuate surface; 202. Second slot surface; 2021. Second plane; 2022. Second arcuate surface; 203. Chamfered groove; 21. First buffer layer; 22. Upper end surface; 220. First mounting hole; 3. Fastener; 4. Positioning pressure plate; 5. First magnetic stopper; 51. Third plane; 52. Fourth plane; 53. Second buffer layer; 6. Second magnetic stopper; 61. Fifth plane; 62. Sixth plane; 63. Third buffer layer; 100. Sapphire block; A. First direction; B. Second direction. DETAILED DESCRIPTION

[0027] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0028] In the present disclosure, unless otherwise stated, the directional words used, such as "upper" and "lower", refer to the upper and lower parts of the chamfering fixture of the present disclosure when it is in normal use. Figure 1 As shown; the directional words used, such as "first direction, second direction", can be specifically referred to Figure 1 As shown; the terms such as "first, second", etc. used are only used to distinguish one element from another element and do not have a sequential nature.

[0029] Reference Figures 1 to 3 As shown, the present disclosure provides a chamfering fixture, which includes a magnetic chassis 1, a magnetic positioning seat 2, a fastener 3 and a positioning plate 4. The magnetic positioning seat 2 can be adsorbed on the magnetic chassis 1; the magnetic positioning seat 2 defines a positioning card slot 20 that is recessed in the up-down direction, and the positioning card slot 20 is used to clamp the edge of the sapphire block 100. The positioning card slot 20 includes a first card slot surface 201 and a second card slot surface 202 that are perpendicular to each other, the first card slot surface 201 is used to fit with one of the first side surface and the second side surface that intersect at the edge of the sapphire block 100, and the second card slot surface 202 is used to fit with the other of the first side surface and the second side surface, so as to limit the sapphire block 100 in the first direction A. The positioning plate 4 is detachably connected to the magnetic positioning seat 2 through the fastener 3, and the positioning plate 4 is used to press downward against the sapphire block 100 to limit the sapphire block 100 in the up-down direction.

[0030] In the above technical solution, firstly, the magnetic positioning seat 2 can be adsorbed on the magnetic chassis 1, which is convenient for positioning the magnetic positioning seat 2 on the magnetic chassis 1, and at the same time, it is convenient for adjusting the position of the magnetic positioning seat 2. Secondly, the positioning slot 20 on the magnetic positioning seat 2 can position the sapphire block 100 in the first direction A, and can limit the placement angle of the sapphire block 100. In addition, the positioning pressure plate 4 can be pressed downward against the sapphire block 100 to limit the sapphire block 100 in the up and down directions, thereby clamping the sapphire block 100. For sapphire blocks 100 of non-standard sizes, the chamfering fixture can be used for clamping, and then the grinder can be used for chamfering, which avoids the consumption of a large amount of consumables, has a short processing cycle, and good flexibility.

[0031] In one embodiment, referring to Figure 2As shown, the first slot surface 201 includes a first plane 2011 and a first curved surface 2012, the first curved surface 2012 is connected to the lower edge of the first plane 2011, and the second slot surface 202 includes a second plane 2021 and a second curved surface 2022; the second curved surface 2022 is connected to the lower edge of the second plane 2021, and the lower edge of the first curved surface 2012 is connected to the lower edge of the second curved surface 2022; wherein the first plane 2011 and the second plane 2021 are perpendicular to each other.

[0032] In this embodiment, the first plane 2011 and the second plane 2021 can be used to abut the first side surface and the second side surface of the sapphire block 100, limit the position of the sapphire block 100 in the first direction A, and limit the placement angle of the sapphire block 100. In addition, the first curved surface 2012 and the second curved surface 2022 can define a chamfered groove 203, which is used to accommodate the edge of the sapphire block 100 to avoid damage to the edge of the sapphire block 100.

[0033] Optionally, refer to Figure 1 As shown, the magnetic positioning seat 2 also includes a first buffer layer 21, and the first buffer layer 21 is laid on the first plane 2011, the first curved surface 2012, the second plane 2021 and the second curved surface 2022. By providing the first buffer layer 21, the sapphire block 100 can be effectively protected and the yield rate can be improved. The first buffer layer 21 can be made of any appropriate buffer material, for example, the first buffer layer 21 can be made of rubber material.

[0034] In another embodiment, referring to Figure 1 and Figure 3 As shown, the chamfering fixture can also include a first magnetic stop block 5 and a second magnetic stop block 6, which can be adsorbed on the magnetic chassis 1, and the first magnetic stop block 5 and the second magnetic stop block 6 are respectively located on both sides of the magnetic positioning seat 2 along the second direction B, so as to be used to push against the two opposite sides of the sapphire block 100 along the second direction B; wherein the first direction A and the second direction B are located in a horizontal plane and are perpendicular to each other.

[0035] In this embodiment, by providing the first magnetic stopper 5 and the second magnetic stopper 6, the two opposite sides of the sapphire block 100 along the second direction B can be abutted, thereby preventing the sapphire block 100 from moving in the second direction B, and further improving the clamping stability. In addition, the first magnetic stopper 5, the second magnetic stopper 6 and the magnetic positioning seat 2 can be constructed with the same material and shape for easy processing and manufacturing.

[0036] Optionally, refer to Figure 3As shown, the first magnetic stopper 5 includes a third plane 51 and a fourth plane 52 which are perpendicular to each other, and the second magnetic stopper 6 includes a fifth plane 61 and a sixth plane 62 which are perpendicular to each other; wherein the third plane 51 and the fifth plane 61 are used to be adsorbed on the magnetic chassis 1, and the fourth plane 52 and the sixth plane 62 are used to respectively abut against two opposite sides of the sapphire block 100 along the second direction B.

[0037] In this embodiment, the third plane 51 and the fifth plane 61 are used to be adsorbed on the magnetic chassis 1, so as to facilitate positioning the first magnetic stopper 5 and the second magnetic stopper 6 on the magnetic chassis 1 and improve the stability of adsorption on the magnetic chassis 1. The fourth plane 52 and the sixth plane 62 are used to respectively abut against two side surfaces of the sapphire block 100 opposite to each other along the second direction B, so as to facilitate fitting with the sapphire block 100 to improve the stability of clamping.

[0038] In other embodiments, referring to Figure 3 As shown, the first magnetic stopper 5 also includes a second buffer layer 53, and the second magnetic stopper 6 also includes a third buffer layer 63. The second buffer layer 53 is laid on the fourth plane 52, and the third buffer layer 63 is laid on the sixth plane 62. By providing the second buffer layer 53 and the third buffer layer 63, the sapphire block 100 can be effectively protected and the yield rate can be improved. The second buffer layer 53 and the third buffer layer 63 can be made of any appropriate buffer material. For example, the second buffer layer 53 and the third buffer layer 63 can be made of rubber material to avoid wear on the sapphire block 100.

[0039] Optionally, refer to Figure 1 As shown, the magnetic positioning seat 2 includes an upper end face 22 connected to the upper end edge of the positioning slot 20, the upper end face 22 is recessed downward to form a first mounting hole 220, the positioning plate 4 is formed with a second mounting hole, and the fastener 3 is provided through the second mounting hole and the first mounting hole 220 to connect the positioning plate 4 to the magnetic positioning seat 2 for easy installation and removal. For example, the fastener 3 can be a screw, the first mounting hole 220 can be a threaded hole, and the second mounting hole can be a through hole. However, the present disclosure does not limit the connection method of the positioning plate 4 to the magnetic positioning seat 2.

[0040] Reference Figure 1 As shown, the positioning plate 4 is arranged to extend along the first direction A, one end of the positioning plate 4 along the first direction A is connected to the magnetic positioning seat 2 through the fastener 3, and the other end of the positioning plate 4 along the first direction A is used to push down against the sapphire block 100 to improve the stability of the sapphire block 100. In terms of material selection, the positioning plate 4 can be made of polyvinyl chloride to avoid damage to the sapphire block 100, but the present disclosure does not limit the specific material of the positioning plate 4.

[0041] In addition, the magnetic chassis 1 can be constructed as an electromagnetic suction cup, the magnetic positioning seat 2 can be made of ferromagnetic metal, and the first magnetic stopper 5 and the second magnetic stopper 6 can both be made of ferromagnetic metal.

[0042] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0043] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0044] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A chamfering fixture, characterized in that: The chamfering fixture comprises a magnetic chassis, a magnetic positioning seat, a fastener and a positioning pressure plate; The magnetic positioning seat can be adsorbed on the magnetic chassis; The magnetic positioning seat defines a positioning slot that is recessed in the up-down direction, and the positioning slot is used to clamp the edge of the sapphire block; The positioning slot includes a first slot surface and a second slot surface that are perpendicular to each other, the first slot surface is used to be fitted with one of the first side surface and the second side surface that intersect at the edge of the sapphire block, and the second slot surface is used to be fitted with the other of the first side surface and the second side surface, so as to limit the sapphire block in a first direction; The positioning pressure plate is detachably connected to the magnetic positioning seat through the fastener, and the positioning pressure plate is used to press downward against the sapphire block to limit the sapphire block in the up and down directions.

2. The chamfering fixture according to claim 1, characterized in that: The first slot surface includes a first plane and a first curved surface, the first curved surface is connected to the lower edge of the first plane, and the second slot surface includes a second plane and a second curved surface; the second curved surface is connected to the lower edge of the second plane, and the lower edge of the first curved surface is connected to the lower edge of the second curved surface; wherein the first plane and the second plane are perpendicular to each other.

3. The chamfering fixture according to claim 2, characterized in that: The magnetic positioning seat further includes a first buffer layer, and the first buffer layer is laid on the first plane, the first arc-shaped surface, the second plane, and the second arc-shaped surface.

4. The chamfering fixture according to claim 1, characterized in that: The chamfering fixture also includes a first magnetic stopper and a second magnetic stopper, and the first magnetic stopper and the second magnetic stopper can be adsorbed on the magnetic chassis, and the first magnetic stopper and the second magnetic stopper are respectively located on both sides of the magnetic positioning seat along the second direction, so as to be used to push against the two opposite sides of the sapphire block along the second direction; wherein the first direction and the second direction are located in a horizontal plane and are perpendicular to each other.

5. The chamfering fixture according to claim 4, characterized in that: The first magnetic stopper includes a third plane and a fourth plane perpendicular to each other, and the second magnetic stopper includes a fifth plane and a sixth plane perpendicular to each other; The third plane and the fifth plane are used to be adsorbed on the magnetic chassis, and the fourth plane and the sixth plane are used to respectively abut against two opposite side surfaces of the sapphire block along the second direction.

6. The chamfering fixture according to claim 5, characterized in that: The first magnetic stopper further includes a second buffer layer, and the second magnetic stopper further includes a third buffer layer. The second buffer layer is laid on the fourth plane, and the third buffer layer is laid on the sixth plane.

7. The chamfering fixture according to claim 1, characterized in that: The magnetic positioning seat includes an upper end surface connected to the upper end edge of the positioning slot, the upper end surface is recessed downward to form a first mounting hole, the positioning pressure plate is formed with a second mounting hole, and the fastener passes through the second mounting hole and the first mounting hole to connect the positioning pressure plate to the magnetic positioning seat.

8. The chamfering fixture according to claim 7, characterized in that: The positioning plate is extended along the first direction, one end of the positioning plate along the first direction is connected to the magnetic positioning seat through the fastener, and the other end of the positioning plate along the first direction is used to press downward against the sapphire block.

9. The chamfering fixture according to claim 8, characterized in that: The positioning pressing plate is made of polyvinyl chloride.

10. The chamfering fixture according to claim 1, characterized in that: The magnetic suction base is constructed as an electromagnetic suction cup, and the magnetic suction positioning seat is made of ferromagnetic metal.

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