Glasses frame welding positioning rotary table stable in axial positioning

Abstract

The utility model discloses a glasses frame welding positioning rotary table stable in axial positioning, and belongs to the field of glasses frame production equipment. Comprising a turntable body, a mirror ring pressing positioning module is arranged above the turntable body, a mirror ring positioning structure is arranged on the turntable body, the mirror ring positioning structure comprises a mirror ring mounting jig, a front-back translation assembly and a left-right translation assembly, the left-right translation assembly is mounted on a welding positioning turntable, and the front-back translation assembly is connected to the left-right translation assembly. The mirror ring installation jig is connected to the front-back translation assembly, and a mirror ring positioning groove is formed in the mirror ring installation jig. During welding, the turntable positioning module can axially press the mirror ring, so that the stability of turntable positioning in axial positioning can be improved; and meanwhile, the front-back translation assembly and the left-right translation assembly are matched to drive the mirror ring mounting jig to perform front-back and left-right multi-axis movement, the position of the mirror ring is adjusted in the multi-axis direction, and welding equipment can perform welding conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of eyeglass frame production equipment, and particularly relates to an eyeglass frame welding positioning turntable with stable axial positioning. Background Art

[0002] Eyeglass frames are usually composed of main parts such as the rim, the middle beam, the nose pad, the stump and the temples. When producing eyeglass frames, the rim and the middle beam need to be welded together, and the clamps of the rims usually also need to be welded. When welding eyeglass frames, a support and positioning device for eyeglass frame welding is required. In the automated operation of eyeglass frame welding, the support and positioning device for eyeglass frame welding cooperates with the welding device to realize the welding operation of the eyeglass frame.

[0003] The existing support and positioning device for welding the eyeglass frame is a simple support platform, which can only position the eyeglass frame in the horizontal direction, and the axial positioning effect is poor; at the same time, the existing support platform is not convenient for adjusting the position of the support platform in multiple directions. Utility Model Content

[0004] In order to solve the above problems, the primary purpose of the utility model is to provide a glasses frame welding positioning turntable with stable axial positioning, and the axial positioning structure is stable.

[0005] Another object of the utility model is to provide a glasses frame welding positioning turntable with stable axial positioning, which can realize multi-axis adjustment of the positioning fixture and facilitate the adjustment of the welding position.

[0006] To achieve the above purpose, the technical solution of the utility model is as follows:

[0007] The utility model provides a stable axially positioned eyeglass frame welding positioning turntable, comprising: a turntable body, a lens ring pressing positioning module is arranged above the turntable body, a lens ring positioning structure is arranged on the turntable body, the lens ring positioning structure comprises a lens ring mounting fixture, a front-back translation assembly, and a left-right translation assembly, the left-right translation assembly is mounted on the welding positioning turntable, the front-back translation assembly is connected to the left-right translation assembly, the lens ring mounting fixture is connected to the front-back translation assembly, and the lens ring mounting fixture is provided with a lens ring positioning groove. In the present application, the front-back translation assembly and the left-right translation assembly can cooperate to drive the lens ring mounting fixture to move forward and backward, left and right in multiple axes, adjust the position of the lens ring in multiple axis directions, and facilitate welding by welding equipment; during welding, the lens ring pressing positioning module can press the lens ring from the axial direction, which can improve the stability of the turntable positioning in the axial positioning.

[0008] Furthermore, the left-right translation assembly includes a left-right translation slider, a screw rod, and an adjustment knob. One end of the screw rod is connected to the left-right translation slider, and the other end is connected to the adjustment knob. The front-back translation assembly is connected to the left-right translation slider. The welding positioning turntable is provided with a fixed groove and a left-right sliding groove. The adjustment knob is arranged in the fixed groove, and the left-right translation slider is movably arranged in the left-right sliding groove. In the present application, by turning the adjustment knob, the left-right translation slider can be driven to move on the screw rod, thereby forcing the left-right translation slider to slide left-right in the left-right sliding groove, and indirectly adjusting the left-right direction position of the lens ring mounting fixture.

[0009] Furthermore, the front-to-back translation assembly includes a front-to-back translation slider and a connecting rod, the lens ring installation fixture is fixed on the front-to-back translation slider, a front-to-back sliding groove is provided on the front-to-back translation slider, one end of the connecting rod is fixed on the left and right translation sliders, and the other end is slidably connected in the front-to-back sliding groove. In the present application, the front-to-back translation slider can slide forward and backward on the left and right translation sliders through the relative movement between the connecting rod and the front-to-back sliding groove, thereby driving the lens ring installation fixture to move forward and backward, and adjusting the position of the lens ring installation fixture in the front-to-back direction.

[0010] Furthermore, a rotation drive structure is connected to the turntable body, and the rotation drive structure includes a rotation drive motor, a first synchronous wheel, a synchronous belt, a second synchronous wheel, and a rotating shaft. The rotating shaft is installed at the bottom of the turntable body, the first synchronous wheel is connected to the output end of the rotation drive motor, the second synchronous wheel is sleeved and fixed on the rotating shaft, and the first synchronous wheel and the second synchronous wheel are connected by the synchronous belt transmission. In the present application, the rotation drive motor drives the rotating shaft to rotate through the transmission mechanism composed of the first synchronous wheel, the synchronous belt, and the second synchronous wheel, and then drives the welding positioning turntable to rotate, so as to realize the position switching of the mirror ring positioning structure on the welding positioning turntable between the welding area and the preparation area. The rotation amplitude and frequency of the rotation drive motor are automatically controlled by the system, and its implementation method belongs to the prior art.

[0011] Furthermore, two lens ring positioning structures are provided, and the two lens ring positioning structures are symmetrically arranged on the turntable body. One of the lens ring positioning structures is located in the welding area, and the other lens ring positioning structure is located in the preparation area. The rotating drive motor drives the turntable body to rotate 180 degrees, so that the two lens ring positioning structures can switch back and forth between the welding area and the preparation area, realize rapid automatic position change, and can cooperate with the welding equipment to complete the rapid automatic welding of the eyeglass frame.

[0012] Furthermore, the lens ring downward pressing positioning module includes a downward pressing positioning member and a lifting drive cylinder, wherein the downward pressing positioning member is connected to the output end of the lifting drive cylinder, and the downward pressing positioning member is arranged above the lens ring installation fixture. When welding is required, the lifting drive cylinder drives the downward pressing positioning member to move downward, presses the lens ring inside the lens ring installation fixture, and prevents movement during welding; when welding is completed, the lifting drive cylinder drives the downward pressing positioning member to move upward, and separates from the lens ring installation fixture.

[0013] Furthermore, the downward pressing positioning member includes two pressing plates protruding outward, the pressing plates are arranged above the mirror ring installation fixture, and an avoidance groove is formed between the two pressing plates. The two pressing plates can respectively press and fix the mirror rings located in the welding area on the two welding positioning turntables to avoid them from loosening; the avoidance groove can avoid the middle beam, which can prevent the pressing plates from blocking the middle beam and affecting welding.

[0014] Furthermore, the pressing sheet is in an "L" structure, and the bottom edges of the two pressing sheets "L" are arranged opposite to each other, enclosing a slot with only one notch. The welding head can extend from the slot into the mirror ring installation fixture to weld the connection between the mirror ring and the middle beam, which facilitates the welding operation.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: when welding, the turntable positioning module of the eyeglass frame welding positioning turntable of the present invention can press the lens ring axially, thereby improving the stability of the turntable positioning in the axial positioning; at the same time, the front and rear translation components and the left and right translation components can be coordinated to drive the lens ring mounting fixture to move forward and backward and left and right in multiple axes, and the position of the lens ring can be adjusted in multiple axis directions, so as to facilitate welding by welding equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a welding positioning turntable for eyeglass frames.

[0017] Figure 2 It is a structural schematic diagram of the turntable body and the rotation drive structure combination from the first perspective.

[0018] Figure 3 It is a structural schematic diagram of the turntable body and the rotation drive structure combination from a second perspective.

[0019] Figure 4 It is a structural schematic diagram of the mirror ring downward pressure positioning module. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] To achieve the above purpose, the technical solution of the utility model is as follows:

[0022] See also Figure 1-4 As shown, this embodiment provides a glasses frame welding positioning turntable with stable axial positioning, comprising:

[0023] The turntable body 1 is provided with a lens ring positioning structure 2 for positioning the lens ring of the eyeglass frame; the lens ring positioning structure 2 includes a lens ring mounting fixture 21, a front-to-back translation assembly 22, and a left-to-right translation assembly 23. The left-to-right translation assembly 23 is mounted on the turntable body 1, the front-to-back translation assembly 22 is connected to the left-to-right translation assembly 23, the lens ring mounting fixture 21 is connected to the front-to-back translation assembly 22, and the lens ring mounting fixture 21 is provided with a lens ring positioning groove 211. In the present application, the front-to-back translation assembly 22 and the left-to-right translation assembly 23 cooperate to drive the lens ring mounting fixture 21 to move forward and backward and left and right, adjust the position of the lens ring, and facilitate welding by the welding equipment.

[0024] Furthermore, the left-right translation assembly 23 includes a left-right translation slider 231, a screw rod 232, and an adjusting knob 233. One end of the screw rod 232 is connected to the left-right translation slider 231, and the other end is connected to the adjusting knob 233. The front-back translation assembly 22 is connected to the left-right translation slider 231. The turntable body 1 is provided with a fixed groove 11 and a left-right sliding groove 12. The adjusting knob 233 is provided in the fixed groove 11, and the left-right translation slider 231 is movably provided in the left-right sliding groove 12. In the present application, by turning the adjusting knob 233, the left-right translation slider 231 can be driven to move on the screw rod 232, thereby forcing the left-right translation slider 231 to slide left and right in the left-right sliding groove 12, and indirectly adjusting the left-right direction position of the lens ring mounting fixture 21.

[0025] Further, the front-to-back translation assembly 22 includes a front-to-back translation slider 221 and a connecting rod 222. The lens ring installation fixture 21 is fixed on the front-to-back translation slider 221. The front-to-back translation slider 221 is provided with a front-to-back sliding groove 223. One end of the connecting rod 222 is fixed on the left-right translation slider 231, and the other end is slidably connected in the front-to-back sliding groove 223. In the present application, the front-to-back translation slider 221 can slide forward and backward on the left-right translation slider 231 through the relative movement between the connecting rod 222 and the front-to-back sliding groove 223, thereby driving the lens ring installation fixture 21 to move forward and backward, and adjusting the position of the lens ring installation fixture 21 in the front-to-back direction.

[0026] Furthermore, a rotation drive structure 4 is connected to the turntable body 1, and the rotation drive structure 4 includes a rotation drive motor 41, a first synchronous wheel 42, a synchronous belt 43, a second synchronous wheel 44, and a rotating shaft 45. The rotating shaft 45 is installed at the bottom of the turntable body 1, the first synchronous wheel 42 is connected to the output end of the rotation drive motor 41, the second synchronous wheel 44 is sleeved and fixed on the rotating shaft 45, and the first synchronous wheel 42 and the second synchronous wheel 44 are connected by a transmission through the synchronous belt 43. In the present application, the rotation drive motor 41 drives the rotating shaft 45 to rotate through the transmission mechanism composed of the first synchronous wheel 42, the synchronous belt 43, and the second synchronous wheel 44, and then drives the turntable body 1 to rotate, so as to realize the position switching of the mirror ring positioning structure 2 on the turntable body 1 in the welding area and the preparation area. The rotation amplitude and frequency of the rotation drive motor 41 are automatically controlled by the system, and its implementation method belongs to the prior art.

[0027] In this embodiment, two mirror ring positioning structures 2 are provided, and the two mirror ring positioning structures 2 are symmetrically arranged on the turntable body 1. One of the mirror ring positioning structures 2 is located in the welding area, and the other mirror ring positioning structure 2 is located in the preparation area. The rotating drive motor 41 drives the turntable body 1 to rotate 180 degrees, so that the two mirror ring positioning structures 2 can be switched back and forth between the welding area and the preparation area, which facilitates the welding equipment to realize automated welding.

[0028] Furthermore, a mirror ring pressing down positioning module 3 is arranged above the turntable body of the present embodiment, and the mirror ring pressing down positioning module 3 includes a pressing down positioning member 31 and a lifting drive cylinder 32. The pressing down positioning member 31 is connected to the output end of the lifting drive cylinder 32, and the pressing down positioning member 31 is arranged above the mirror ring installation fixture 21. When welding is required, the lifting drive cylinder 32 drives the pressing down positioning member 31 to move downward, press the mirror ring in the mirror ring installation fixture 21, and prevent it from moving during welding; when welding is completed, the lifting drive cylinder 32 drives the pressing down positioning member 31 to move upward and separate from the mirror ring installation fixture 21.

[0029] Furthermore, the downward pressing positioning member 31 includes two pressing pieces 311 protruding outward, and the two pressing pieces 311 are respectively arranged above the mirror ring mounting fixtures 21 of the two turntable bodies 1 in a one-to-one correspondence, and the two pressing pieces 311 are disconnected to form an avoidance groove 312. The two pressing pieces 311 can respectively press and fix the mirror rings located in the welding area on the two turntable bodies 1 to avoid them from loosening; the avoidance groove 312 can avoid the middle beam, and can prevent the pressing piece 311 from blocking the middle beam and affecting welding.

[0030] Furthermore, the pressing plate 311 is in an "L" structure, and the bottom edges of the two pressing plates 311 are arranged opposite to each other, enclosing a slot with only one notch. The welding head can extend from the slot into the lens ring installation fixture 21 to weld the connection between the lens ring and the middle beam, which facilitates the welding operation.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spectacles frame welding positioning turntable with stable axial positioning, characterized in that: include: A turntable body, a mirror ring pressing positioning module is arranged above the turntable body, a mirror ring positioning structure is arranged on the turntable body, the mirror ring positioning structure includes a mirror ring mounting fixture, a front-rear translation assembly, and a left-right translation assembly, the left-right translation assembly is mounted on the welding positioning turntable, the front-rear translation assembly is connected to the left-right translation assembly, the mirror ring mounting fixture is connected to the front-rear translation assembly, and a mirror ring positioning groove is arranged on the mirror ring mounting fixture.

2. The eyeglass frame welding positioning turntable with stable axial positioning as claimed in claim 1, characterized in that: The left-right translation assembly includes a left-right translation slider, a screw rod, and an adjusting knob. One end of the screw rod is connected to the left-right translation slider, and the other end is connected to the adjusting knob. The front-back translation assembly is connected to the left-right translation slider. The welding positioning turntable is provided with a fixed groove and left-right sliding grooves. The adjusting knob is arranged in the fixed groove, and the left-right translation slider is movably arranged in the left-right sliding grooves.

3. The eyeglass frame welding positioning turntable with stable axial positioning as claimed in claim 2, characterized in that: The front-to-back translation assembly includes a front-to-back translation slider and a connecting rod. The lens ring mounting fixture is fixed on the front-to-back translation slider. The front-to-back translation slider is provided with a front-to-back sliding groove. One end of the connecting rod is fixed on the left and right translation sliders, and the other end is slidably connected to the front-to-back sliding groove.

4. The eyeglass frame welding positioning turntable with stable axial positioning as claimed in claim 1, characterized in that: The turntable body is connected to a rotation driving structure, which includes a rotation driving motor, a first synchronous wheel, a synchronous belt, a second synchronous wheel, and a rotating shaft. The rotating shaft is installed at the bottom of the turntable body, the first synchronous wheel is connected to the output end of the rotation driving motor, the second synchronous wheel is sleeved and fixed on the rotating shaft, and the first synchronous wheel and the second synchronous wheel are connected by a synchronous belt transmission.

5. The eyeglass frame welding positioning turntable with stable axial positioning as claimed in claim 1, characterized in that: There are two mirror ring positioning structures, and the two mirror ring positioning structures are symmetrically arranged on the turntable body.

6. The eyeglass frame welding positioning turntable with stable axial positioning as claimed in claim 1, characterized in that: The mirror ring downward pressing positioning module includes a downward pressing positioning member and a lifting driving cylinder. The downward pressing positioning member is connected to the output end of the lifting driving cylinder, and the downward pressing positioning member is arranged above the mirror ring mounting fixture.

7. The eyeglass frame welding positioning turntable with stable axial positioning as claimed in claim 6, characterized in that: The downward pressing positioning member includes two pressing plates protruding outward, the pressing plates are arranged above the lens ring mounting fixture, and an avoidance groove is formed between the two pressing plates.

8. The eyeglass frame welding positioning turntable with stable axial positioning as claimed in claim 7, characterized in that: The pressing sheet is in an "L" structure, and the bottom edges of the two pressing sheets "L" are arranged opposite to each other to enclose a slot with only one notch.

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