CN213702192U

CN213702192U - Protective laser welding device of spectacle frame

Info

Publication number: CN213702192U
Application number: CN202022322644.6U
Authority: CN
Inventors: 李畅; 王光成
Original assignee: Shenzhen Junjie Glasses Co ltd
Current assignee: Shenzhen Junjie Glasses Co ltd
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-07-16
Anticipated expiration: 2030-10-17

Abstract

The application relates to a protective laser welding device of a spectacle frame, which comprises a fixed platform, a positioning device and a driving component, wherein the positioning device is used for positioning a spectacle frame, the driving component drives the fixed platform to be close to or far away from a fixed mould; the positioning piece comprises a clamping portion and a positioning bolt, the clamping portion is used for clamping the first arc-shaped portion, one end, close to the fixing mold, of the clamping portion extends out of the fixing platform, a waist-shaped hole is formed in the clamping portion, and the positioning bolt penetrates through the waist-shaped hole and is in threaded connection with the fixing platform. The utility model has the effect of the accuracy nature of improving mirror ring and pile head connected position location.

Description

Protective laser welding device of spectacle frame

Technical Field

The application relates to the field of metal spectacle frame processing technology, in particular to a protective laser welding device of a spectacle frame.

Background

The metal glasses frame generally comprises a glasses ring, glasses legs, nose supports for connecting the left and right glasses rings and pile heads for connecting the glasses frame and the glasses legs, the pile heads and the glasses ring are connected by a hot riveting device in the connection process, and the glasses legs are connected with the pile heads through a connection structure.

In the process of hot riveting of the pile head and the mirror ring in the related art, in order to improve the welding accuracy of the pile head and the mirror ring, positioning welding dies with corresponding shapes are generally customized for mirror frames with different shapes, and corresponding fixing dies are customized for the pile head.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: for lens rings with different shapes, the radian shapes of the connecting positions of the lens ring and the pile head are different, the connecting positions of the lens ring and the pile head are used as welding centers, the welding accuracy of the lens ring and the pile head is critical, and the related technology is difficult to meet the requirement for processing metal glasses frames with higher requirements on the welding accuracy of the lens ring and the pile head.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy nature of rim and pile head hookup location, this application provides a protection laser welding device of spectacle-frame.

The application provides a protection laser welding device of spectacle-frame adopts following technical scheme:

a protective laser welding device for spectacle frames comprises a fixed platform, a positioning device and a driving assembly, wherein the positioning device is used for positioning a spectacle ring, the driving assembly drives the fixed platform to be close to or far away from a fixed mould, the positioning device is installed on the fixed platform, and the positioning device comprises a positioning piece which is used for abutting against a first arc-shaped part; the positioning piece comprises a clamping portion and a positioning bolt, the clamping portion is used for clamping the first arc-shaped portion, one end, close to the fixing mold, of the clamping portion extends out of the fixing platform, a waist-shaped hole is formed in the clamping portion, and the positioning bolt penetrates through the waist-shaped hole and is in threaded connection with the fixing platform.

By adopting the technical scheme, the abutting part can be locked on the fixed platform by screwing the positioning bolt; the positioning bolt is unscrewed, so that the contact angle between the abutting part and the first arc-shaped part can be finely adjusted, or different abutting parts are replaced to adapt to the first arc-shaped parts with different radian shapes, so that the first arc-shaped part is protected, and the first arc-shaped part is prevented from being deformed in the welding process; the pile head is placed in a fixed die, the mirror ring is placed in a positioning device, the contact angle between the abutting portion and the first arc portion is adjusted, the driving assembly is started, the fixed platform moves towards the direction close to the fixed die, the pile head and the first arc portion can be welded together through the hot riveting device after the positioning device moves to a required position, the abutting portion is adjustable, the abutting portion abuts against the welding position of the pile head and the mirror ring, and the accuracy of positioning of the mirror ring and the connection position of the pile head is improved.

Preferably, the positioning device further comprises a partition for partitioning the partial lens ring portions on both sides of the notch.

By adopting the technical scheme, the mirror ring part on the other side of the notch is prevented from being influenced when the pile head and the mirror ring are welded.

Preferably, the partition piece includes partition piece and partition bolt, the one end that partitions the piece and is close to fixed mould extends fixed platform, partition piece has seted up waist shape hole, partition bolt wears to establish waist shape hole and fixed platform threaded connection.

By adopting the technical scheme, the partition sheet can be locked on the fixed platform by screwing the partition bolt; the partition bolt is unscrewed, the distance between the partition piece fixing dies can be adjusted, and after the partition piece is adjusted to a required position, the mirror ring part on the other side of the gap can be prevented from being influenced when the pile head and the mirror ring are welded.

Preferably, the positioning device further comprises a second positioning assembly for positioning the second arc-shaped part.

Through adopting above-mentioned technical scheme, increase the setpoint of mirror circle to increase the stability in the mirror circle welding process.

Preferably, the second positioning assembly comprises a first protective sleeve used for contacting the second arc-shaped part, and a first bolt, and the first bolt penetrates through the first protective sleeve and is in threaded connection with the fixed platform.

Through adopting above-mentioned technical scheme, through unscrewing first bolt, can change the second arc portion of first lag in order to adapt to different radian shapes of different shapes and size, improve the accuracy nature of mirror ring location.

Preferably, the positioning device further comprises a third positioning assembly for positioning the third arc-shaped part.

Preferably, the third positioning assembly comprises a second protective sleeve used for contacting with the second arc-shaped part, and a second bolt, and the second bolt penetrates through the second protective sleeve and is in threaded connection with the fixed platform.

By adopting the technical scheme, firstly, the widest distance between the upper lens strip and the lower lens strip of the lens ring is sleeved outside the first protective sleeve and the second protective sleeve, then the lens ring is pulled down towards the direction close to the fixed mould, so that one side of the first protective sleeve, which is far away from the second protective sleeve, is contacted with the inner wall of the second arc-shaped part, one side of the second protective sleeve, which is far away from the first protective sleeve, is contacted with the inner wall of the third arc-shaped part, and then the inner wall of the first arc-shaped part is contacted with one side of the abutting part, which is close to the fixed mould, so that the lens ring can be positioned on the positioning device; through unscrewing the second bolt, can change the third arc portion of second lag in order to adapt to different radian shapes of different shapes and size, improve the accuracy nature of mirror ring location.

Preferably, the side of the fixed platform, on which the positioning device is mounted, is provided with a protrusion with a shape corresponding to the curve of the lens ring.

Through adopting above-mentioned technical scheme for positioner is carrying out the in-process of fixing a position to the mirror circle, plays the guard action to the mirror circle, reduces the deformation of mirror circle.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the abutting part abutting against the first arc-shaped part and detachably mounting the abutting part on the fixed platform, the contact angle between the abutting part and the first arc-shaped part can be finely adjusted, or different abutting parts are replaced to adapt to the first arc-shaped parts with different radian shapes, so that the positioning accuracy of the connecting position of the mirror ring and the pile head is improved;

2. through setting up second locating component and third locating component, increase the setpoint of mirror circle to increase the stability among the mirror circle welding process, play the guard action to the mirror circle, reduce the deformation of mirror circle.

Drawings

Fig. 1 is a schematic structural view of a metal eyeglass frame.

Fig. 2 is a schematic structural view of the lens ring.

Fig. 3 is a schematic structural diagram of an embodiment of the present application.

Fig. 4 is an enlarged schematic view of a structure at a in fig. 3.

Description of reference numerals: 1. a spectacle frame; 101. a lens ring; 102. a nose pad; 103. a temple; 104. pile head; 105. a notch; 106. a first arcuate portion; 107. a second arcuate portion; 108. a third arc-shaped portion; 109. mounting a lens strip; 110. a lower mirror strip; 111. fixing the mold; 2. a fixed platform; 3. a positioning member; 31. a tightening part; 32. positioning the bolt; 33. positioning the waist-shaped hole; 4. a spacer; 41. a partition panel; 42. partition bolts; 43. a partition waist-shaped hole; 5. a first protective cover; 6. a first bolt; 7. a second protective cover; 8. and a second bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

As shown in fig. 1 and 2, before welding the mirror ring 101 with the pile head 104, the mirror ring 101 has a notch 105 at a joint with the pile head 104, the pile head 104 is welded with a portion of the mirror ring 101 above the notch 105, a welding position of the mirror ring 101 and the pile head 104 is taken as a first arc portion 106, two sides of the welding position of the mirror ring 101 and the nose pad 102 are respectively taken as a second arc portion 107 and a third arc portion 108, the second arc portion 107 is located above the third arc portion 108, and the notch 105 is located above the third arc portion 108. The part of the lens ring 101 above the nose pad 102 is named as an upper lens 109, the part of the lens ring 101 below the nose pad 102 is named as a lower lens 110, and the maximum width between the upper lens 109 and the lower lens 110 is larger than the shortest distance between the second arc 107 and the third arc 108.

The embodiment of the application discloses protection laser welding device of spectacle-frame. Referring to fig. 3, the protective laser welding device for the glasses frame includes a vertical fixing platform 2, a positioning device for positioning the lens ring 101, and a driving component for driving the fixing platform 2 to ascend and descend, the positioning device is installed on the fixing platform 2, and the fixing mold 111 is located below the fixing platform 2. In the present embodiment, the driving assembly employs a lifting cylinder but is not limited to the lifting cylinder.

One side of the fixed platform 2, which is provided with the positioning device, is provided with a bulge with a shape matched with the curve of the mirror ring 101, so that the middle part of the fixed platform 2 is in a higher shape, the positioning device plays a role in protecting the mirror ring 101 in the process of positioning the mirror ring 101, and the deformation of the mirror ring 101 is reduced.

The positioning means comprise a first positioning component for positioning the inner wall of the first arc-shaped part 106, a second positioning component for positioning the inner wall of the second arc-shaped part 107, and a third positioning component for positioning the inner wall of the third arc-shaped part 108.

Referring to fig. 3 and 4, the first positioning assembly includes a positioning member 3 for abutting against the first arc-shaped portion 106, and a partition member 4 for partitioning partial portions of the mirror ring 101 on both sides of the notch 105; drive assembly drive fixed platform 2 toward the direction motion of being close to or keeping away from fixed mould 111, drive assembly drive fixed platform 2 toward the direction motion of being close to fixed mould 111, fixed platform 2 drives setting element 3 and supports first arc portion 106 tightly behind pile head 104 in fixed mould 111, weld pile head 104 and first arc portion 106 together through the rivet hot device, drive assembly drive fixed platform 2 breaks away from fixed mould 111 afterwards, fixed platform 2 drives setting element 3, mirror ring 101 and pile head 104 break away from fixed mould 111, take out mirror ring 101 from fixed platform 2, accomplish the welding of pile head 104 and mirror ring 101 promptly.

The positioning piece 3 comprises a fastening part 31 and a positioning bolt 32, the fastening part 31 is provided with a positioning waist-shaped hole 33, the positioning bolt 32 penetrates through the positioning waist-shaped hole 33 and is in threaded connection with the fixing platform 2, and the fastening part 31 can be locked on the fixing platform 2 by screwing the positioning bolt 32; the contact angle between the tightening part 31 and the first arc-shaped part 106 can be finely adjusted by loosening the positioning bolt 32, or different tightening parts 31 are replaced to adapt to the first arc-shaped parts 106 with different radian shapes, so that the first arc-shaped parts 106 are protected, and deformation is prevented from being generated in the welding process of the first arc-shaped parts 106.

The partition piece 4 comprises a partition piece 41 and a partition bolt 42, the partition piece 41 is provided with a partition waist-shaped hole 42, the partition bolt 42 penetrates through a partition waist-shaped hole 43 and is in threaded connection with the fixed platform 2, and the partition piece 41 can be locked on the fixed platform 2 by screwing the partition bolt 42; the partition bolt 42 is unscrewed, so that the distance between the partition pieces 41 and the fixing mold 111 can be adjusted, and after the partition pieces 41 are adjusted to the required positions, the mirror ring 101 part on the other side of the gap 105 can be prevented from being influenced when the pile head 104 and the mirror ring 101 are welded.

One end of the abutting portion 31 and one end of the partition plate 41 close to the fixed mold 111 extend out of the fixed platform 2, so that the abutting portion 31 abuts against the first arc-shaped portion 106 and is welded with the pile head 104 on the fixed mold 111.

The second positioning assembly comprises a first protecting sleeve 5 used for contacting with the inner wall of the second arc-shaped part 107 and a first bolt 6; the third positioning component comprises a second protective sleeve 7 used for contacting with the inner wall of the third arc-shaped part 108 and a second bolt 8; the first bolt 6 penetrates through the first protective sleeve 5 and is in threaded connection with the fixed platform 2, so that the first protective sleeve 5 is tightly propped against the fixed platform 2; the second bolt 8 penetrates through the second protective sleeve 7 and is in threaded connection with the fixed platform 2, so that the second protective sleeve 7 is tightly abutted to the fixed platform 2. The radian of the side of the first shield 5, which is used for abutting against the second arc-shaped part 107, is adapted to the radian of the second arc-shaped part 107, and the radian of the side of the second shield 7, which is used for abutting against the third arc-shaped part 108, is adapted to the radian of the third arc-shaped part 108.

Firstly, the widest distance between the upper lens strip 109 and the lower lens strip 110 of the lens ring 101 is sleeved outside the first protective sleeve 5 and the second protective sleeve 7, then the lens ring 101 is pulled down towards the direction close to the fixed mold 111, so that one side of the first protective sleeve 5, which is far away from the second protective sleeve 7, is contacted with the inner wall of the second arc-shaped part 107, one side of the second protective sleeve 7, which is far away from the first protective sleeve 5, is contacted with the inner wall of the third arc-shaped part 108, and then the inner wall of the first arc-shaped part 106 is contacted with one side of the abutting part 31, which is close to the fixed mold 111, so that the lens ring 101 can be positioned on the positioning device.

The implementation principle of the protection laser welding device of the spectacle frame in the embodiment of the application is as follows: after the mirror ring 101 is sleeved on the positioning device, the driving assembly drives the fixing platform 2 to move towards the direction close to the fixing mold 111, so that the abutting part 31 abuts against the first arc-shaped part 106 against the pile head 104, and the pile head 104 and the first arc-shaped part 106 are welded together through the hot riveting device; the mirror ring 101 with different shapes and sizes can be adapted by changing the shapes and sizes of the first protective sleeve 5, the second protective sleeve 7 and the abutting part 31.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a protection laser welding device of spectacle-frame which characterized in that: the lens ring positioning device comprises a fixing platform (2), a positioning device and a driving assembly, wherein the positioning device is used for positioning a lens ring (101), the driving assembly is used for driving the fixing platform (2) to be close to or far away from a fixing mold (111), the positioning device is installed on the fixing platform (2), and the positioning device comprises a positioning piece (3) which is used for abutting against a first arc-shaped part (106); the positioning piece (3) comprises a fastening portion (31) for fastening the first arc-shaped portion (106) and a positioning bolt (32), a fixing platform (2) is extended from one end, close to the fixing mold (111), of the fastening portion (31), a waist-shaped hole is formed in the fastening portion (31), and the positioning bolt (32) penetrates through the waist-shaped hole and is in threaded connection with the fixing platform (2).

2. The protective laser welding device for eyeglass frames according to claim 1, characterized in that: the positioning device also comprises a separating piece (4) for separating partial parts of the lens ring (101) on two sides of the notch (105).

3. The protective laser welding device for eyeglass frames according to claim 2, characterized in that: separate disconnected piece (4) including cutting off piece (41) and cut off bolt (42), cut off piece (41) and extend fixed platform (2) near the one end of fixed mould (111), cut off piece (41) and seted up waist shape hole, cut off bolt (42) and wear to establish waist shape hole and fixed platform (2) threaded connection.

4. The protective laser welding device for eyeglass frames according to claim 1, characterized in that: the positioning device further comprises a second positioning assembly for positioning the second arc-shaped portion (107).

5. The protective laser welding device for eyeglass frames according to claim 4, characterized in that: the second positioning assembly comprises a first protecting sleeve (5) and a first bolt (6), wherein the first protecting sleeve is used for being in contact with the second arc-shaped portion (107), and the first bolt (6) penetrates through the first protecting sleeve (5) and is in threaded connection with the fixed platform (2).

6. The protective laser welding device for eyeglass frames according to claim 1, characterized in that: the positioning device further comprises a third positioning assembly for positioning a third arc-shaped portion (108).

7. The protective laser welding device for eyeglass frames according to claim 6, characterized in that: the third positioning assembly comprises a second protective sleeve (7) and a second bolt (8), wherein the second protective sleeve (7) is used for being in contact with the second arc-shaped portion (107), and the second bolt (8) penetrates through the second protective sleeve (7) and is in threaded connection with the fixed platform (2).

8. The protective laser welding device for eyeglass frames according to claim 1, characterized in that: one side of the fixed platform (2) provided with the positioning device is provided with a bulge with a shape matched with the curve of the lens ring (101).