Precise positioning and drilling device for optical glass

Abstract

The utility model discloses an optical glass accurate positioning and drilling device which comprises a machine body, and the machine body is provided with a positioning placing table and a drilling mechanism. The positioning placing table comprises a positioning block and a positioning frame, the positioning block is provided with a first slideway and a second slideway, and the slideways are provided with a first ball sliding groove and a second ball sliding groove; the positioning frame surrounds the positioning block in a sleeving mode, two first clamping plates are installed in the first sliding way, two second clamping plates are installed in the second sliding way, and placing clamping grooves are formed in the top ends of the first clamping plates and the top ends of the second clamping plates. A first screw rod and a second screw rod are arranged on the positioning frame, the screw rods are provided with mirror image threads, are in transmission connection with the clamping plate screw rod, and are respectively driven by a motor; when the drilling device is used for clamping, due to the fact that the two first clamping plates always move in a left-right mirroring mode relative to the center and the two second clamping plates always move in a front-back mirroring mode relative to the center, four-direction center positioning is achieved while a glass blank is clamped, and then rapid positioning and accurate drilling are achieved while clamping is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of optical glass processing, and in particular relates to an optical glass precise positioning drilling device. Background Art

[0002] Optical glass provides clear transparency and excellent optical properties, ensuring that devices can accurately sense, transmit and record light. Optical glass can be widely used in various optical devices, such as telescopes, microscopes, cameras and mobile phones.

[0003] When processing optical glass, some holes need to be drilled. Generally, it is placed on a placement table, positioned by a fixture, and then drilled by a drilling device. Since optical glass lacks a structure for rapid centering, it needs to be assembled and disassembled on the clamping equipment many times when it is processed in batches, which makes it easy to position inaccurately and difficult to quickly position and accurately drill holes while assembling and disassembling. Utility Model Content

[0004] The utility model provides an optical glass precise positioning and drilling device. When clamping, two first clamping plates always move in left and right mirror images relative to the center, and two second clamping plates always move in front and back mirror images relative to the center. The glass blank is clamped and the center is positioned in four directions at the same time, thereby achieving rapid positioning and precise drilling while clamping, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an optical glass precision positioning and drilling device, comprising a body, a positioning and placing platform is installed on the body, and a drilling mechanism located above the positioning and placing platform is also installed; the positioning and placing platform comprises a positioning block and a positioning frame, the positioning block body is a square block, the positioning block is provided with two cross-shaped slideways, namely a first slideway and a second slideway, and the slideways are both provided with ball slideways, namely a first ball slideway and a second ball slideway; the positioning frame is sleeved outside the positioning block, and the inner wall of the positioning frame is tightly fitted with the outer wall of the positioning block, two first clamping plates are installed in the first slideway opposite to each other on the left and right, the top of the first clamping plate is higher than the positioning block, and two second clamping plates are installed in the second slideway opposite to each other on the front and back. The top of the second clamping plate is higher than the positioning block, and the first clamping plate and the second clamping plate are provided with a placement clamping groove on the inner side opposite to the top of the second clamping plate; the first clamping plate is provided with hemispherical grooves on the front and rear sides close to the first slideway, and the second clamping plate is provided with left and right sides close to the second slideway, and balls are installed in the hemispherical grooves, and the part of the ball exposed from the clamping plate is tightly matched with the ball sliding groove and can only roll along it; the positioning frame is provided with a first screw rod and a second screw rod respectively located in the first slideway and the second slideway, and the first screw rod and the second screw rod have mirror-image threads at both ends, and are connected to the corresponding clamping plate through a ball screw pair screw transmission, and the positioning frame is provided with a first motor and a second motor respectively connected to the first screw rod and the second screw rod.

[0006] Preferably, the bottom of the positioning block is an integrally connected part, and the first slideway and the second slideway do not penetrate the bottom thereof.

[0007] Preferably, the first screw rod and the second screw rod are arranged alternately up and down, and the first ball rolling groove and the second ball rolling groove are arranged alternately up and down.

[0008] Preferably, the bottom of the positioning frame is provided with a bottom edge, the four corners of the bottom edge are provided with screw holes, and the bottom edge is fixedly connected to the body by screws.

[0009] Preferably, a rib extending inward is provided on the top of the positioning frame, and the rib is tightly attached to the top surface of the positioning block.

[0010] Preferably, the positioning block is provided with an inlet and an outlet at the junction of the first slideway and the second slideway.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. During clamping, the two first clamping plates always move in a left-right mirror image relative to the center, and the two second clamping plates always move in a front-back mirror image relative to the center. Thus, after quickly reaching the set position, the glass blank can be clamped synchronously and the center positioning in four directions can be achieved, thereby realizing fast positioning and precise drilling while clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of the positioning and placing table of the utility model;

[0015] Figure 3 This is a schematic diagram of the top view of the positioning and placing platform of the utility model;

[0016] Figure 4 It is a schematic diagram of the top view structure of the positioning block, the first slideway and the second slideway of the utility model;

[0017] Figure 5 This is a schematic diagram of the first clamping plate, hemispherical groove and ball structure of the utility model.

[0018] In the figure: 1, machine body; 2, positioning and placing table; 3, drilling mechanism; 4, positioning block; 5, positioning frame; 6, first slide; 7, second slide; 8, first ball slide; 9, second ball slide; 10, first clamping plate; 11, second clamping plate; 12, placement clamping groove; 13, hemispherical groove; 14, ball; 15, first screw rod; 16, second screw rod; 17, ball screw pair; 18, first motor; 19, second motor; 20, bottom edge; 21, retaining edge; 22, inlet and outlet. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-5The utility model provides an optical glass precision positioning drilling device, comprising a body 1, a positioning platform 2 is mounted on the body 1, and a drilling mechanism 3 is mounted above the positioning platform 2; the positioning platform 2 comprises a positioning block 4 and a positioning frame 5, the positioning block 4 is a square block, the positioning block 4 is provided with two cross-shaped slideways, namely a first slideway 6 and a second slideway 7, and the slideways are both provided with ball slideways, namely a first ball slideway 8 and a second ball slideway 9; the positioning frame 5 is sleeved outside the positioning block 4, and the inner wall of the positioning frame 5 is tightly connected to the outer wall of the positioning block 4 The first slideway 6 is tightly fitted, and two first clamping plates 10 are oppositely arranged in the left and right sides of the first slideway 6, and the top of the first clamping plate 10 is higher than the positioning block 4. Two second clamping plates 11 are oppositely arranged in the front and back sides of the second slideway 7, and the top of the second clamping plate 11 is higher than the positioning block 4. The first clamping plates 10 and the second clamping plates 11 are oppositely provided with clamping grooves 12 on the inner sides of the tops; the first clamping plates 10 are close to the front and rear sides of the first slideway 6, and the second clamping plates 11 are close to the left and right sides of the second slideway 7. The hemispherical grooves 13 are equipped with balls 14, and the balls 14 are exposed. The clamping plate part fits tightly with the ball slide groove and can only roll along it; the positioning frame 5 is equipped with a first screw rod 15 and a second screw rod 16 respectively located in the first slide 6 and the second slide 7, both ends of the first screw rod 15 and the second screw rod 16 are mirror-image threads, and are connected to the corresponding clamping plate through a ball screw pair 17 screw transmission, and the positioning frame 5 is externally equipped with a first motor 18 and a second motor 19 respectively connected to the first screw rod 15 and the second screw rod 16; when in use, the first motor 18 drives the first screw rod 15 to rotate, and then cooperates with the ball screw pair 17 to , driving the two first clamping plates 10 to move in a mirror image manner, thereby adjusting the spacing between the left and right placement grooves 12, the second motor 19 drives the second screw rod 16 to rotate, and then cooperates with the ball screw pair 17 to drive the two second clamping plates 11 to move in a mirror image manner, thereby adjusting the spacing between the front and rear placement grooves 12, so that the spacing between the four placement grooves 12 is slightly larger than the size of the glass blank, and the glass blank is placed on the four placement grooves 12, and then the first motor 18 and the second motor 19 respectively drive the first clamping plate 10 and the second clamping plate 11 to move to the set position to clamp and fix the glass blank, and then the drilling mechanism 3 is used to perform drilling processing;During the process, since the two first clamping plates 10 always move in a left-right mirror image relative to the center, and the two second clamping plates 11 always move in a front-back mirror image relative to the center, after quickly reaching the set position, the glass blank can be clamped synchronously and the four-way center positioning can be achieved, thereby achieving fast positioning and precise drilling while clamping. When disassembly is required, the first motor 18 and the second motor 19 drive the first clamping plate 10 and the second clamping plate 11 to the set position respectively, so that the spacing between the four clamping grooves 12 is slightly larger than the size of the glass blank, and then the next glass blank is quickly clamped and positioned, and the same principle is repeated to complete the drilling process. ;

[0021] Specifically, the bottom of the positioning block 4 is an integrally connected part, and the first slide 6 and the second slide 7 do not pass through the bottom; in this embodiment, the bottom is connected to the upper part of the positioning block 4 separated by the first slide 6 and the second slide 7 to ensure the overall stability.

[0022] Specifically, the first screw rod 15 and the second screw rod 16 are arranged alternately up and down, and the first ball rolling groove 8 and the second ball rolling groove 9 are arranged alternately up and down; in this embodiment, the first screw rod 15 and the second screw rod 16 do not interfere with each other.

[0023] Specifically, the bottom of the positioning frame 5 is provided with a bottom edge 20, and the four corners of the bottom edge 20 are provided with screw holes, and are fixedly connected to the body 1 by screws; in this embodiment, the positioning frame 5 can be conveniently assembled and disassembled on the body 1 by screw fixation.

[0024] Specifically, the top of the positioning frame 5 is provided with a rib 21 extending inward, and the rib 21 is tightly attached to the top surface of the positioning block 4; in this embodiment, the top of the positioning block 4 can be positioned by the rib 21, so that the positioning block 4 can be positioned in all directions to enhance stability during operation.

[0025] Specifically, the positioning block 4 is provided with an inlet and outlet 22 at the junction of the first slide 6 and the second slide 7; in this embodiment, the first screw rod 15 and the second screw rod 16 are used to drive the clamps to the middle respectively, so that the first clamp 10 and the second clamp 11 can be installed and removed from the positioning block 4 from the inlet and outlet 22.

[0026] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0027] Working principle: When in use, the first motor 18 drives the first screw rod 15 to rotate, and then drives the two first clamps 10 to move in a mirror image through cooperation with the ball screw pair 17, thereby adjusting the spacing between the left and right placement grooves 12. The second motor 19 drives the second screw rod 16 to rotate, and then drives the two second clamps 11 to move in a mirror image through cooperation with the ball screw pair 17, thereby adjusting the spacing between the front and rear placement grooves 12, so that the spacing between the four placement grooves 12 is slightly larger than the size of the glass blank, and the glass blank is placed on the four placement grooves 12. Then the first motor 18 and the second motor 19 respectively drive the first clamp 10 and the second clamp 11 to move to the set position to clamp and fix the glass blank, and then the drilling mechanism 3 is used to perform drilling processing. During this period, since the two first clamps 10 are always moving in left and right mirror images relative to the center, and the two second clamps 11 are always moving in front and back mirror images relative to the center, after quickly reaching the set position, the glass blank can be clamped synchronously and four-way center positioning can be achieved, thereby achieving rapid positioning and precise drilling while clamping. When disassembly is required, the first motor 18 and the second motor 19 respectively drive the first clamp 10 and the second clamp 11 to reach the set position, so that the spacing between the four clamping grooves 12 is slightly larger than the size of the glass blank, and then the next glass blank is quickly clamped and positioned, and the same principle is repeated to complete the drilling process.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An optical glass precision positioning drilling device, comprising a body (1), It is characterized in that The machine body (1) is provided with a positioning platform (2), and is also provided with a drilling mechanism (3) located above the positioning platform (2); the positioning platform (2) comprises a positioning block (4) and a positioning frame (5); the positioning block (4) is a square block; the positioning block (4) is provided with two cross-shaped slideways, namely a first slideway (6) and a second slideway (7); the slideways are provided with ball bearing grooves, namely a first ball bearing groove (8) and a second ball bearing groove (9); the positioning frame (5) is sleeved outside the positioning block (4), and the inner wall of the positioning frame (5) is tightly fitted with the outer wall of the positioning block (4); two first clamping plates (10) are relatively installed in the first slideway (6) on the left and right, and the top of the first clamping plate (10) is higher than the positioning block (4); two second clamping plates (11) are relatively installed in the second slideway (7) on the front and back, and the top of the second clamping plate (11) is higher than the positioning block (4); the first clamping plates (1 0) is provided with a clamping groove (12) opposite to the inner side of the top end of the second clamping plate (11); the first clamping plate (10) is provided with a hemispherical groove (13) on the front and rear sides close to the first slideway (6) and the second clamping plate (11) is provided with a hemispherical groove (13), and a ball (14) is installed in the hemispherical groove (13), and the part of the ball (14) exposed from the clamping plate is tightly matched with the ball sliding groove and can only roll along it; the positioning frame (5) is provided with a first screw rod (15) and a second screw rod (16) which are respectively located in the first slideway (6) and the second slideway (7), the first screw rod (15) and the second screw rod (16) have mirror-image threads at both ends, and are connected to the corresponding clamping plate through a ball screw pair (17) screw transmission, and the positioning frame (5) is provided with a first motor (18) and a second motor (19) which are respectively connected to the first screw rod (15) and the second screw rod (16).

2. An optical glass precise positioning drilling device according to claim 1, It is characterized in that The bottom of the positioning block (4) is an integrally connected part, and the first slideway (6) and the second slideway (7) do not penetrate the bottom thereof.

3. The optical glass precise positioning drilling device according to claim 1, It is characterized in that The first screw rod (15) and the second screw rod (16) are arranged alternately up and down, and the first ball sliding groove (8) and the second ball sliding groove (9) are arranged alternately up and down.

4. The optical glass precise positioning drilling device according to claim 1, It is characterized in that The bottom of the positioning frame (5) is provided with a bottom edge (20), and screw holes are provided at four corners of the bottom edge (20), and the bottom edge (20) is fixedly connected to the machine body (1) by screws.

5. The optical glass precise positioning drilling device according to claim 1, It is characterized in that The top of the positioning frame (5) is provided with a retaining edge (21) extending inwards, and the retaining edge (21) is closely attached to the top surface of the positioning block (4).

6. The optical glass precise positioning drilling device according to claim 1, It is characterized in that The positioning block (4) is provided with an inlet and outlet (22) at the junction of the first slideway (6) and the second slideway (7).

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