Lens drilling positioning mechanism

Abstract

The utility model relates to the technical field of glasses processing equipment, and discloses a lens drilling positioning mechanism which comprises a workbench base and a distance adjusting module, the distance adjusting module comprises a linear driving mechanism and a positioning table, and the linear driving mechanism drives the positioning table or a part of the positioning table to move. Therefore, the lens on the positioning table is driven to move relative to the workbench base, and a datum line is arranged on the positioning table. By arranging the relative position adjusting mechanism, the position of the lens is accurately and conveniently adjusted, so that after the lens and the workbench are aligned with the datum line, other adjusting actions are not needed except that the hand provides pressing force, operation is more convenient and accurate compared with manual operation, meanwhile, the structural complexity is reduced compared with high-precision equipment, and the production cost is reduced; by arranging the angle adjusting mechanism, the inclined hole in the lens can be machined; the tool setting column is arranged, tool setting operation is conducted on the drill bit during use, and accurate machining is facilitated; and a feed groove is formed, so that the positioning table top is prevented from being damaged by excessive feed of the drill bit.

Description

Technical Field

[0001] The utility model relates to the technical field of glasses processing equipment, in particular to a lens drilling positioning mechanism. Background Art

[0002] Glasses usually consist of lenses and frames. Users can correct eye problems or use them for eye protection, decoration, and sun protection by choosing appropriate lenses. Among them, perforated frameless glasses are simple in structure, light in weight, and comfortable to wear, and are becoming more and more popular. There are many types of frameless glasses, and factors such as the asymmetry of the correction degree of the left and right eyes of users require different lens thicknesses and shapes when fitting glasses, which in turn affects the aperture size, hole angle, and distance between adjacent holes on the lens. Therefore, the corresponding hole position and angle when punching holes in the lens need to be accurately positioned.

[0003] In the prior art, the pre-drilled lens is generally marked first, and then the pre-drilled lens is manually abutted against the drilling machine through the marked points, a positioning hole is drilled at the marked point, and then the drilling machine is driven to drill and expand the hole. The existing equipment is difficult to operate and requires high skills of the operator. When manually positioning and drilling holes, inaccurate positioning makes it easy for the hole position and angle to deviate, and the operation is difficult. The hole position is easy to be at a uniform angle, which makes the lens difficult to install and adjust, and even causes the left and right lenses to be asymmetrical. In addition, there is a high-precision lens drilling device, which uses a positioning fixture to fix the lens, measures the distance information through a sensor and feeds it back to the controller, and further transmits the control information to the motor to drive the fixture to move the lens, so that after the lens reaches the preset position, the drilling machine is driven to drill. The high-precision drilling equipment has a complex structure, high cost, and a large volume. Therefore, there is a need for a lens drilling positioning mechanism that is low in cost, simple in structure, easy to use, and easy to operate. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a lens drilling positioning mechanism, comprising a workbench base and a distance adjustment module, wherein the distance adjustment module comprises a linear drive mechanism and a positioning platform, wherein the linear drive mechanism drives the positioning platform or a part of the positioning platform to move, thereby driving the lens on the positioning platform to move relative to the workbench base, and a reference line is arranged on the positioning platform.

[0005] Preferably, the positioning platform is arranged above the workbench base, and a slide groove and a positioning block are provided on the positioning platform, and the positioning block is arranged in the slide groove. The linear drive structure includes a positioning rotary rod, and a position adjustment hole is provided at the lower part of the positioning block, and the position adjustment hole is a threaded hole, and the positioning rotary rod is threadedly connected to the position adjustment hole.

[0006] Preferably, the distance adjustment module also includes a linkage block, a positioning rotary rod and a guide rod, the positioning platform is arranged above the workbench base, the linkage block is arranged on the workbench base, a position adjustment hole is arranged at the rear of the linkage block, the positioning platform is provided with a linkage adjustment hole corresponding to the position adjustment hole, and the positioning rotary rod is synchronously threadedly connected to the linkage adjustment hole and the position adjustment hole.

[0007] Preferably, it also includes an angle adjustment module, which includes a rotating shaft base, a rotating shaft and an angle rotating rod. The rotating shaft base is installed on the upper surface of the workbench base, and the two sides of the rotating shaft are rotatably sleeved on the rotating shaft base. An angle adjustment hole is provided on one side of the rear portion of the positioning platform, and the angle adjustment hole is a threaded hole. An angle rotating rod is threadedly connected to the angle adjustment hole, and the bottom of the angle rotating rod abuts against the workbench base. The front portion of the positioning platform is sleeved on the rotating shaft, so that the positioning platform and the workbench base rotate relative to each other.

[0008] Preferably, it also includes an angle adjustment module, which includes a rotating shaft base, a rotating shaft and an angle rotating rod. The rotating shaft base is installed on the upper surface of the workbench base, and the two sides of the rotating shaft are rotatably sleeved on the rotating shaft base. An angle adjustment hole is provided on one side of the rear portion of the positioning platform. The angle adjustment hole is a threaded hole, and an angle rotating rod is threadedly connected to the angle adjustment hole. The bottom of the angle rotating rod abuts against the workbench base. The rotating shaft is sleeved inside the front of the linkage block, so that the linkage block and the workbench base rotate relative to each other.

[0009] Preferably, the side wall of the linkage block is provided with angle markings, and the rotating shaft base is provided with angle indication marks corresponding to the angle markings.

[0010] Preferably, the reference line is arranged on the upper surface of the positioning platform, including a longitudinal reference line and a transverse reference line.

[0011] Preferably, a positioning scale is also provided on the upper surface of the positioning platform.

[0012] Preferably, a tool setting column is provided on the positioning platform.

[0013] Preferably, a tool feed groove is provided on the positioning platform.

[0014] Compared with the prior art, the beneficial effects of the utility model are: 1. By setting a relative position adjustment mechanism, the position of the lens can be adjusted accurately and conveniently, so that after the lens is aligned with the reference line of the workbench, no other adjustment action is required by the hand except for providing pressing force. It is more convenient and accurate than the existing manual positioning, and at the same time, it reduces the structural complexity and production cost compared with high-precision equipment; 2. By setting an angle adjustment mechanism, the processing of inclined holes on the lens is realized; 3. A tool setting column is provided, which is used to perform tool setting operation with the drill bit when in use, which is convenient for precise processing. When processing the second hole of the same lens, it is used to fit the first hole of the lens to improve positioning efficiency; 4. A feed groove is provided to prevent the drill bit from damaging the positioning table due to excessive feed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be discussed below. Obviously, the technical solutions described in conjunction with the drawings are only some embodiments of the utility model. For ordinary technicians in this field, other embodiments and their drawings can be obtained based on the embodiments shown in these drawings without paying creative work.

[0016] Figure 1 The utility model is a schematic diagram of the overall structure of a centerline movable drilling device of a lens drilling positioning mechanism.

[0017] Figure 2 The utility model is a schematic diagram of the stereoscopic structure of a centerline movable workbench of a lens drilling positioning mechanism.

[0018] Figure 3 The utility model is a schematic diagram of the overall three-dimensional structure of an integral movable drilling device of a lens drilling positioning mechanism.

[0019] Figure 4 The utility model is a three-dimensional structural schematic diagram of an integral movable workbench of a lens drilling positioning mechanism.

[0020] Figure 5 The utility model is a schematic diagram of the structure of an integral movable workbench base of a lens drilling positioning mechanism.

[0021] Figure 6 The utility model is a cross-sectional schematic diagram of an integral movable workbench of a lens drilling positioning mechanism.

[0022] In the figure: 1-workbench base, 11-drilling machine, 2-positioning table, 21-slide, 22-angle adjustment hole, 23-positioning scale, 3-positioning block, 31-position adjustment hole, 32-tool column, 33-feed groove, 34-reference line, 4-rotating shaft base, 41-rotating shaft, 42-linkage block, 5-positioning rotary rod, 51-angle rotary rod, 6-marking block, 7-guide rod, 8-angle scale. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the various 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 described 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.

[0024] The embodiment of the utility model provides a lens drilling positioning mechanism. Embodiment 1 is a midline movable drilling structure, such as Figure 1 to Figure 2 As shown, the lens drilling device as a whole comprises a workbench and a drilling machine 11. The workbench comprises a workbench base 1, a distance adjustment module and an angle adjustment module. The drilling machine 11 is a semi-automatic drilling machine 11 commonly used in the prior art, which will not be described in detail here.

[0025] A pad is fixedly arranged at the bottom of the workbench base 1, and the pad is used to support the workbench base 1 and improve the anti-slip performance. The workbench base 1 is provided with the distance adjustment module and the angle adjustment module.

[0026] The distance adjustment module includes a positioning platform 2, a positioning block 3 and a positioning rotary rod 5. The positioning platform 2 is connected to the top of the workbench base 1. A slide groove 21 is provided in the middle of the positioning platform 2. The positioning block 3 is provided in the slide groove 21. A position adjustment hole 31 is provided at the bottom of the positioning block 3. The position adjustment hole 31 is a threaded hole. The position adjustment hole 31 is threadedly connected to the positioning rotary rod 5. The positioning rotary rod 5 is rotatably arranged on the positioning platform through a mounting frame. A knob is provided at the rear of the positioning rotary rod 5.

[0027] The upper surface of the positioning block 3 is provided with a longitudinal reference line 34 and auxiliary alignment lines evenly arranged on both sides of the longitudinal reference line 34. The front part of the upper surface of the positioning block 3 is provided with a transverse reference line 34, and auxiliary transverse lines are evenly arranged behind the transverse reference line 34. A tool setting column 32 is provided at the intersection of the transverse reference line 34 and the longitudinal reference line 34, and the tool setting column 32 is fixedly provided on the positioning block 3. A tool feed groove 33 is also provided on the upper part of the positioning block 3, and the tool feed groove 33 is located at the rear part of the tool setting column 32, so as to prevent the surface of the positioning block 3 from being damaged by excessive tool feed after the drill bit drills through the lens.

[0028] The upper surface of the positioning platform 2 is also provided with a positioning scale 23, which can be directly engraved on the positioning platform 2 or an additional scale can be fixed. The upper surface of the positioning block 3 is provided with an indication line corresponding to the positioning scale 23, which is used to measure the relative movement distance between the positioning block 3 and the positioning platform 2.

[0029] The angle adjustment module includes a rotating shaft base 4, a rotating shaft 41 and an angle rotating rod 51. The rotating shaft base 4 and the rotating shaft 41 are arranged on the top of the workbench base 1. The rotating shaft base 4 includes L-shaped profiles symmetrically arranged. The bottom of the L-shaped profile is provided with a mounting hole, and the upper part of the L-shaped profile is provided with a connecting hole and a rotating shaft hole. A positioning rod is arranged in the middle of the L-shaped profile, and the two ends of the positioning rod are respectively fixed at the connecting holes of the L-shaped profiles on both sides.

[0030] The front part of the positioning platform 2 is provided with a rotating sleeve, the outer wall of which is fixedly provided at the front part of the workbench, and the rotating sleeve is rotatably sleeved on the rotating shaft 41. An angle adjustment hole 22 is provided at one side of the rear part of the positioning platform 2, and the angle adjustment hole 22 is a threaded hole, and an angle rotating rod 51 is connected to the inner thread of the angle adjustment hole 22. A knob is provided at the top of the angle rotating rod 51. The bottom of the angle rotating rod 51 abuts against the upper surface of the workbench base 1. When the upper surface of the positioning platform 2 is parallel to the workbench base 1, the axis of the angle rotating rod 51 is perpendicular to the upper surface of the workbench base 1.

[0031] During use, firstly, the reference line 34 is painted and marked on the lens to be processed according to the existing processing method, and then the operator aligns the reference line 34 with the reference line 34 on the positioning block 3 in the initial state and presses the fixed position, and then rotates the positioning rotary rod 5 to move the positioning block 3 to drive the lens to be processed to feed the corresponding distance. After the position is successfully confirmed, the drilling machine 11 is started and the drill bit is driven to feed downward to drill the lens to be processed.

[0032] When drilling a hole again on the same lens, the first hole can be sleeved on the tool setting column to achieve quick positioning.

[0033] Furthermore, if the lens to be processed is to be drilled with an inclined hole, the operator needs to rotate the angle rotary rod 51 after the distance positioning is completed to achieve the height change of the angle rotary rod 51 at the bottom of the positioning platform 2, so that the positioning platform 2 rotates around the rotating shaft 41 as the axis, and drives the lens to be processed to rotate. After the measurement reaches the appropriate angle and confirms success, the drilling machine 11 is started, and the drill bit is driven downward to drill the lens to be processed.

[0034] Embodiment 2 is an integral mobile drilling structure, such as Figures 3 to 6 As shown, the lens drilling device as a whole comprises a workbench and a drilling machine 11. The workbench comprises a workbench base 1, a distance adjustment module and an angle adjustment module. The drilling machine 11 is a semi-automatic drilling machine 11 commonly used in the prior art, and will not be described in detail here.

[0035] A pad is fixedly arranged at the bottom of the workbench base 1, and the pad is used to support the workbench base 1 and improve the anti-slip performance. The distance adjustment module and the angle adjustment module are arranged on the workbench base 1. The workbench base 1 is also provided with hollow slots to reduce the weight of the machine body.

[0036] The distance adjustment module includes a positioning platform 2, a linkage block 42, a positioning rotary rod 5 and a guide rod 7. The positioning platform 2 is arranged above the workbench base 1, and the positioning platform 2 is connected to the workbench base 1 through the linkage block 42. The linkage block 42 is arranged on the workbench base 1, and a position adjustment hole 31 is arranged at the rear of the linkage block 42. The position adjustment hole 31 is a threaded blind hole, and the positioning rotary rod 5 is threadedly connected to the position adjustment hole 31. A knob is arranged at the rear of the positioning rotary rod 5. A downward protrusion is arranged at the rear of the positioning platform 2, and the protrusion is provided with a linkage adjustment hole corresponding to the position adjustment hole 31, and the positioning rotary rod 5 is synchronously threadedly connected to the linkage adjustment hole and the position adjustment hole 31.

[0037] The upper surface of the positioning platform 2 is provided with a longitudinal reference line 34 and auxiliary alignment lines evenly arranged on both sides of the longitudinal reference line 34. The front part of the upper surface of the positioning block 3 is provided with a transverse reference line 34, and auxiliary transverse lines are evenly arranged behind the transverse reference line 34. A tool setting column 32 is provided at the intersection of the transverse reference line 34 and the longitudinal reference line 34, and the tool setting column 32 is fixedly provided on the positioning block 3. A tool feed groove 33 is also provided on the upper part of the positioning block 3, and the tool feed groove 33 is located at the rear part of the tool setting column 32, so as to prevent the surface of the positioning block 3 from being damaged by excessive tool feed after the drill bit drills through the lens.

[0038] A positioning scale 23 is also provided on one side of the upper surface of the positioning platform 2. The positioning scale 23 can be directly engraved on the positioning platform 2 or an additional scale can be fixed. An identification block corresponding to the positioning scale 23 is provided on the upper surface of the linkage block 42. The identification block is provided with an identification to measure the relative movement distance between the positioning platform 2 and the linkage block 42.

[0039] The angle adjustment module includes a rotating shaft base 4, a rotating shaft 41 and an angle rotating rod 51. The rotating shaft base 4 and the rotating shaft 41 are arranged on the top of the workbench base 1. The rotating shaft base 4 is correspondingly installed on both sides of the upper surface of the workbench base 1. The rotating shaft base 4 includes a T-shaped mounting platform and a rotating shaft ring. The T-shaped mounting platform is symmetrically arranged about the rotating shaft ring. The T-shaped mounting platform is provided with a mounting hole. The rotating shaft 41 is sleeved in the rotating shaft ring.

[0040] The rotating shaft 41 is sleeved inside the front part of the linkage block 42, so that the linkage block 42 can rotate relative to the workbench base 1. An angle scale is set on the side wall of one side of the linkage block 42, and an angle indicator mark is set on the rotating shaft base 4 to determine the relative rotation angle of the linkage block 42 and the positioning table 2.

[0041] An angle adjustment hole 22 is provided at one side of the rear portion of the positioning platform 2. The angle adjustment hole 22 is a threaded hole, and an angle rotating rod 51 is connected to the inner thread of the angle adjustment hole 22. A knob is provided at the top of the angle rotating rod 51. The bottom of the angle rotating rod 51 abuts against the upper surface of the workbench base 1. When the upper surface of the positioning platform 2 is parallel to the workbench base 1, the axis of the angle rotating rod 51 is perpendicular to the upper surface of the workbench base 1.

[0042] The workbench is also detachably provided with a clamping device for temporarily fixing the lens to be processed to facilitate the marking operation.

[0043] During use, firstly, according to the existing processing method, the reference line 34 is painted and marked on the lens to be processed, and then the operator aligns the reference line 34 with the reference line 34 on the positioning table 2 in the initial state and presses the fixed position, and then rotates the positioning rotary rod 5 to move the positioning table 2 to drive the lens to be processed to feed a corresponding distance relative to the linkage block 42. After the position is successfully confirmed, the drilling machine 11 is started, and the drill bit is driven to feed downward to perform a drilling operation on the lens to be processed.

[0044] When drilling a hole again on the same lens, the first hole can be sleeved on the tool setting column to achieve quick positioning.

[0045] Furthermore, if the lens to be processed is to be drilled with an inclined hole, the operator needs to rotate the angle rotary rod 51 after the distance positioning is completed to achieve the height change of the angle rotary rod 51 at the bottom of the positioning platform 2, so that the positioning platform 2 rotates around the rotating shaft 41 as the axis, and drives the lens to be processed to rotate. After the measurement reaches the appropriate angle and confirms success, the drilling machine 11 is started, and the drill bit is driven downward to drill the lens to be processed.

[0046] In the above embodiments, the horizontal positioning of the processed lens is achieved by adjusting the positioning block 3 in the middle of the positioning platform 2 and the relative movement of the positioning platform 2 and the linkage block 42, and the rapid alignment of the conventional lens is achieved by aligning the scale lines. According to the above embodiments, scale lines can also be added to the reference line 34 to achieve manual alignment of holes with more specifications. This is a technical means known to those skilled in the art and will not be described in detail here. In the above embodiments, the screw is used as a representative to realize the driving method of the workbench. Similarly, the same technical effect can be achieved by a linear drive mechanism such as a gear rack.

[0047] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view. The scope of the present invention is defined by the appended claims, rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0048] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A lens drilling positioning mechanism, characterized in that: The invention comprises a workbench base (1) and a distance adjustment module, wherein the distance adjustment module comprises a linear drive mechanism and a positioning platform (2), wherein the linear drive mechanism drives the positioning platform (2) or a part of the positioning platform (2) to move, thereby driving the lens on the positioning platform (2) to move relative to the workbench base (1), and a reference line (34) is provided on the positioning platform (2).

2. The lens drilling and positioning mechanism according to claim 1, characterized in that: The positioning platform (2) is arranged above the workbench base (1), and a slide groove (21) and a positioning block (3) are arranged on the positioning platform (2), and the positioning block (3) is arranged in the slide groove (21). The linear drive structure includes a positioning rotary rod (5), and a position adjustment hole (31) is arranged at the lower part of the positioning block (3), and the position adjustment hole (31) is a threaded hole, and the positioning rotary rod (5) is threadedly connected in the position adjustment hole (31).

3. The lens drilling and positioning mechanism according to claim 1, characterized in that: The distance adjustment module further comprises a linkage block (42), a positioning rotary rod (5) and a guide rod (7); the positioning platform (2) is arranged above the workbench base (1); the linkage block (42) is arranged on the workbench base (1); a position adjustment hole (31) is arranged at the rear of the linkage block (42); the positioning platform (2) is provided with a linkage adjustment hole corresponding to the position adjustment hole (31); and the positioning rotary rod (5) is synchronously threadedly connected to the linkage adjustment hole and the position adjustment hole (31).

4. The lens drilling and positioning mechanism according to claim 2, characterized in that: The invention also comprises an angle adjustment module, wherein the angle adjustment module comprises a rotating shaft base (4), a rotating shaft (41) and an angle rotating rod (51); the rotating shaft base (4) is mounted on the upper surface of the workbench base (1); the rotating shaft (41) is rotatably sleeved on both sides of the rotating shaft base (4); an angle adjustment hole (22) is provided on one side of the rear portion of the positioning platform (2); the angle adjustment hole (22) is a threaded hole; the angle adjustment hole (22) is internally threadedly connected to the angle rotating rod (51); the bottom of the angle rotating rod (51) is in contact with the workbench base (1); the front portion of the positioning platform (2) is sleeved on the rotating shaft (41), so that the positioning platform (2) and the workbench base (1) can rotate relative to each other.

5. The lens drilling and positioning mechanism according to claim 3, characterized in that: The invention also comprises an angle adjustment module, wherein the angle adjustment module comprises a rotating shaft base (4), a rotating shaft (41) and an angle rotating rod (51); the rotating shaft base (4) is mounted on the upper surface of the workbench base (1); the rotating shaft (41) is rotatably sleeved on both sides of the rotating shaft base (4); an angle adjustment hole (22) is provided on one side of the rear portion of the positioning platform (2); the angle adjustment hole (22) is a threaded hole; the angle adjustment hole (22) is internally threadedly connected to the angle rotating rod (51); the bottom of the angle rotating rod (51) is in contact with the workbench base (1); the rotating shaft (41) is sleeved inside the front portion of the linkage block (42), so that the linkage block (42) and the workbench base (1) rotate relative to each other.

6. The lens drilling and positioning mechanism according to claim 5, characterized in that: The side wall of the linkage block (42) is provided with an angle engraved line, and the rotating shaft base (4) is provided with an angle indicating mark corresponding to the angle engraved line.

7. The lens drilling and positioning mechanism according to claim 1, characterized in that: The reference line (34) is arranged on the upper surface of the positioning platform (2), and comprises a longitudinal reference line (34) and a transverse reference line (34).

8. The lens drilling and positioning mechanism according to claim 1, characterized in that: The upper surface of the positioning platform (2) is also provided with a positioning scale (23).

9. The lens drilling and positioning mechanism according to claim 1, characterized in that: A tool setting column (32) is provided on the positioning platform (2).

10. The lens drilling and positioning mechanism according to claim 1, characterized in that: The positioning platform (2) is provided with a tool feed groove (33).

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