Dispensing fixing device and dispensing device for lens protection glass

Abstract

The utility model discloses a dispensing fixing device and a dispensing device for lens protection glass, and relates to the technical field of optical lens assembly.The dispensing fixing device for the lens protection glass comprises a base, a carrying table and a clamping assembly; the carrying table is rotationally arranged at the top of the base around the axis extending in the up-down direction and used for containing the glass installation base. The clamping assembly comprises two clamping pieces, the two clamping pieces are arranged on the carrying table and arranged on the two opposite sides of the axis of the carrying table, at least one clamping piece has a moving stroke close to or away from the other clamping piece, and the two clamping pieces are used for jointly clamping the glass mounting base; according to the technical scheme provided by the utility model, a gap on the inner side edge of the glass mounting seat can be filled with glue, so that the lens protective glass can be uniformly dispensed, and the mounting quality of the protective glass is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical lens assembly technical field, especially relate to lens protection glass's point gum fixing device and point gum device. BACKGROUND

[0002] The protection glass of the lens is a kind of transparent glass installed in the front end of the lens, for protecting the lens from dust, scratch, water vapor and other external factors, part of protection glass is separately assembled on a glass mounting seat, and is fixed on the glass mounting seat using point gum, and the entire glass mounting seat and protection glass can be directly replaced each time the protection glass is replaced.

[0003] At present, protection glass point gum generally uses manual pneumatic point gum machine or automatic point gum machine, but when annular point gum is carried out, point gum is not uniform, leading to low point gum yield, and the cost of lens is increased.

[0004] Therefore, how to uniformly point gum lens protection glass and improve the installation quality of protection glass have become problems to be solved in the field. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of lens protection glass's point gum fixing device and point gum device, to aim at uniformly point gum lens protection glass, improve the installation quality of protection glass.

[0006] To achieve the above-mentioned purpose, the lens protection glass point gum fixing device provided by the utility model comprises a base, a loading platform and a clamping assembly; the loading platform is rotatably arranged on the top of the base around an axis extending in the up-down direction, and is used to place the glass mounting seat; the clamping assembly comprises two clamping pieces, which are arranged on the loading platform and on the opposite sides of the axis of the loading platform, and at least one of the clamping pieces has an active stroke for moving closer to or away from the other clamping piece, and the two clamping pieces are used to clamp the glass mounting seat together.

[0007] In an embodiment, one side of each clamping piece towards the other clamping piece is provided with a clamping opening, and the width of the two clamping openings gradually increases in the direction towards each other.

[0008] In an embodiment, a sliding groove is formed on the top surface of the loading platform, the sliding groove extends along the connecting line of the two clamping pieces, at least one of the clamping pieces has a protrusion formed on the bottom surface, the protrusion extends into the sliding groove, and is movably arranged along the extension direction of the sliding groove.

[0009] In an embodiment, the opposite ends of the sliding groove are through the loading platform, so that the clamping piece can move out of the through side of the sliding groove to separate from the loading platform.

[0010] In an embodiment, a receiving cavity is formed in the clamping member; the clamping assembly further comprises a connecting seat, a screw rod and an elastic member; the connecting seat is arranged on the table; the screw rod is fixedly arranged on the connecting seat and extends along the connecting line direction of the two clamping members, and a part of the screw rod can be located in the receiving cavity; the elastic member is arranged in the receiving cavity and is sleeved on the outside of the screw rod, at least part of the elastic member can be embedded in the thread groove of the screw rod, and the two ends of the elastic member abut against the cavity wall of the receiving cavity.

[0011] In an embodiment, the connecting seat is detachably arranged on the table.

[0012] In an embodiment, the dispensing fixing device of the lens protection glass further comprises a bearing arranged between the base and the table; one of the inner ring or the outer ring of the bearing is fixedly arranged on the base, and the other is fixedly connected with the table.

[0013] In an embodiment, the dispensing fixing device of the lens protection glass further comprises a driving assembly arranged on the base, and the driving assembly comprises a driving motor having a driving shaft with the axis of the table as the central axis.

[0014] In an embodiment, the top surface of the table is provided with a placing groove for placing the glass mounting seat; and / or, the table is detachably connected with the base.

[0015] The utility model also provides a dispensing device of lens protection glass, the dispensing device of lens protection glass includes the dispensing fixing device of lens protection glass and dispensing tube as described above, the dispensing tube is arranged above the table and is used for dispensing glue to the glass mounting seat.

[0016] The technical scheme of the utility model places the glass mounting seat on the table, and rotates the table to be arranged on the base, when dispensing, rotates the table to make the glass mounting seat rotate with the table, at this time, fixes the dispensing head above the glass mounting seat to dispense glue, makes the glue be annular on the glass mounting seat, and the glue spreads outward from the dispensing position under the action of centrifugal force, fills the gap along the inside of the glass mounting seat, reduces the formation of air bubbles, thereby uniformly distributes on the inside of the glass mounting seat, and movably arranges the two clamping members on the two sides opposite to the axis of the table, prevents the glass mounting seat from moving under the centrifugal action, and can improve the installation quality of the protection glass. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in the drawings without creating labor.

[0018] Figure 1 Structure diagram of one embodiment of the lens protection glass dispensing fixing device provided by the utility model;

[0019] Figure 2 To Figure 1 The side view schematic diagram of the lens protection glass dispensing fixing device.

[0020] Explanation of the attached drawings:

[0021] 100, the lens protection glass dispensing fixing device;1, the base;2, the platform;21, the sliding groove;22, the placement groove;3, the clamping component;31, the clamping piece;311, the clamping mouth;312, the protrusion;32, the connecting seat;33, the screw;4, the bearing;

[0022] 200, the glass mounting seat.

[0023] The utility model discloses the realization, functional characteristics and advantages will be further explained with reference to the drawings in conjunction with the embodiment. Specific implementation

[0024] The technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.

[0025] It should be noted that if the embodiment of the utility model involves directional indication (such as up, down, left, right, front, back, etc.), the directional indication is only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, if the certain posture changes, the directional indication also changes accordingly.

[0026] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0027] The protective glass of the lens is a transparent glass installed at the front end of the lens, which is used to protect the lens from dust, scratches, water vapor and other external factors, part of the protective glass is assembled on a glass mounting seat and fixed on the glass mounting seat by using dispensing, and the entire glass mounting seat and the protective glass can be directly replaced each time the protective glass is replaced.

[0028] At present, the dispensing of the protective glass generally uses a manual pneumatic dispenser, the glue is injected into the needle tube, and the glue is discharged from the needle tube by using air pressure, at this time, the needle tube needs to be held by hand, the connecting seat is placed on the platform, and then the glue is injected into the glue groove of the protective glass mounting seat. This method has too many human factors, which may cause uneven dispensing, incomplete dispensing, missing dispensing or dispensing on the lens; there is also a table type automatic pneumatic dispenser, instead of holding the needle tube by hand, the connecting seat is fixed on the platform, and the X, Y and Z directions of the needle tube are controlled by using the computer end, but because it is a multi-axis structure, the structure is complex, resulting in high cost, and it is not suitable for annular dispensing groove.

[0029] Based on this, please refer to Figure 1 With Figure 2 The utility model proposes a kind of dispensing fixing device 100 of lens protective glass, the dispensing fixing device 100 of lens protective glass includes base 1, stage 2 and clamping component 3;Stage 2 is rotationally arranged on the top of base 1 around the axis extending in up-down direction, for placing glass mounting seat 200;Clamping component 3 includes two clamping pieces 31, two clamping pieces 31 are arranged on stage 2, and are arranged on the opposite sides of the axis of stage 2, at least one clamping piece 31 has the activity stroke close to or away from another clamping piece 31, and two clamping pieces 31 are used to clamping glass mounting seat 200 together.

[0030] The technical scheme of the utility model discloses glass mounting seat 200 is placed through the carrier 2, and the carrier 2 is rotationally arranged on the base 1, when dispensing, the carrier 2 is rotated to make glass mounting seat 200 rotate along with the carrier 2, at this time, the dispensing head is fixed above glass mounting seat 200 to make the glue appear annular on glass mounting seat 200, and the glue spreads outward from the dispensing position under the centrifugal force, fills the gap along the inside of glass mounting seat 200, reduces the formation of air bubbles, and is evenly distributed along the inside of glass mounting seat 200, and two clamping pieces 31 are movably arranged on the two sides opposite to the axis of the carrier 2, prevent glass mounting seat 200 from moving under the centrifugal force, and the installation quality of the protective glass can be improved.

[0031] Specifically, to reduce the activity of the clamping piece 31 and improve the clamping stability, one of the clamping pieces 31 is fixedly connected to the carrier 2 by a screw.

[0032] In an embodiment of the utility model, one side of each clamping piece 31 towards the other clamping piece 31 is provided with a clamping opening 311, and the width of the two clamping openings 311 gradually increases along the direction towards each other. In this way, different widths correspond to clamping different sizes of glass mounting seat 200 to adapt to the installation requirements of protective glass of various specifications.

[0033] It should be noted that the width of the clamping opening 311 is the distance between the two side walls along the direction perpendicular to the connecting line of the two clamping pieces 31, and the width of the two clamping openings 311 gradually increases along the direction towards each other, that is, the two side walls of the clamping opening 311 move away from each other along the direction close to the other clamping opening 311, and are triangular, trapezoidal or other shapes.

[0034] In an embodiment of the utility model, the top surface of the carrier 2 is provided with a sliding groove 21, the sliding groove 21 extends along the connecting line of the two clamping pieces 31, at least one clamping piece 31 is formed with a protrusion 312 on the bottom surface, the protrusion 312 extends into the sliding groove 21 and is movably arranged along the extension direction of the sliding groove 21. In this way, the guide rail type structure is used to install the limit to limit the movement direction of the clamping piece 31.

[0035] Specifically, one clamping piece 31 is formed with a protrusion 312 on the bottom surface and is movable along the extension direction of the sliding groove 21, and when it is moved to a suitable position, the clamping piece 31 is connected and fixed with the carrier 2 by a screw, and the other clamping piece 31 is only formed with a protrusion 312 on the bottom surface and is movable along the extension direction of the sliding groove 21.

[0036] Further, along the direction from the groove bottom to the groove opening of the sliding groove 21, the width of the sliding groove 21 is gradually reduced, and the width of the protrusion 312 is gradually reduced, which is matched with the sliding groove 21 to prevent the clamping piece 31 from derailing while keeping smooth sliding.

[0037] In an embodiment of the utility model, the opposite two ends of the chute 21 are through the loading platform 2, so that the clamping piece 31 can move out from the through side of the chute 21 to separate from the loading platform 2. In this way, the clamping piece 31 and the loading platform 2 can be detachably connected to improve the portability of the device.

[0038] In an embodiment of the utility model, a receiving cavity (not shown in the figure) is formed in the clamping piece 31; the clamping assembly 3 further comprises a connecting seat 32, a screw rod 33 and an elastic piece (not shown in the figure); the connecting seat 32 is arranged on the loading platform 2; the screw rod 33 is fixedly arranged on the connecting seat 32 and extends along the connecting direction of the two clamping pieces 31, and part of the screw rod 33 can be in the receiving cavity; the elastic piece is arranged in the receiving cavity and is sleeved on the outside of the screw rod 33, at least part of the elastic piece can be embedded in the thread groove of the screw rod 33, and the two ends of the elastic piece abut against the cavity wall of the receiving cavity. In this way, the two clamping pieces 31 are close to each other under the action of the elastic piece to clamp the glass mounting seat 200, and after the glue dispensing is completed, the clamping piece 31 with the elastic piece can be pulled apart, the next glass mounting seat 200 can be directly placed in, and then the clamping piece 31 with the elastic piece is loosened, forming the clamping assembly 3 which can automatically clamp and is convenient to adjust and replace the glass mounting seat 200, and the elastic piece is arranged in the receiving cavity of the clamping piece 31 and embedded on the screw rod 33, the elastic piece, the screw rod 33, the connecting seat 32 and the clamping piece 31 are modularly designed, which is convenient to install, saves time for glue dispensing and improves glue dispensing efficiency.

[0039] Among them, the thread groove is a spiral groove opened on the screw rod 33, the elastic piece is a spring, and the wire diameter of the spring is in interference fit with the width of the thread groove so that part of the spring is embedded in the thread groove of the screw rod 33.

[0040] The elastic coefficient of the elastic member is too large, which causes the glass mounting seat 200 to be deformed, affecting the subsequent process, so the elastic coefficient of the elastic member is small in the design, but the elastic coefficient is too small, which may not enable the glass to overcome the centrifugal force, affecting the dispensing effect. Therefore, the screw rod 33 is inserted through the clamping member 31 and extends out from the side of the clamping member 31 away from the connecting seat 32, wherein the screw rod 33 is arranged on both sides of the clamping opening 311 to avoid the clamping opening 311 to avoid the glass mounting seat 200, and the peripheral side surface of the screw rod 33 is provided with a plurality of scales, each scale corresponds to the clamping force of the clamping assembly 3, that is, each scale corresponds to the different compression amount of the elastic member, and the plurality of scales have a critical scale, and the critical scale corresponds to the minimum clamping force capable of overcoming the influence of the centrifugal force. By arranging in this way, when the clamping member 31 clamps the glass mounting seat 200, if the critical scale extends out of the clamping member 31, it represents that the clamping force of the current state is sufficient to overcome the centrifugal force, and the glass mounting seat 200 can be rotated for dispensing; if the critical scale does not extend out of the clamping member 31, it represents that the clamping force of the current state is insufficient to overcome the centrifugal force, and the position of the connecting seat 32 needs to be adjusted to enhance the clamping force.

[0041] Of course, the positions of the connecting seat 32, the screw rod 33, the elastic member and the clamping member 31 are not limited to the above relationship, and can be arranged in a manner capable of achieving elastic clamping. In a second embodiment, the clamping assembly 3 comprises the clamping member 31, the connecting seat 32, the connecting rod and the elastic member. The clamping member 31 and the connecting seat 32 are as described in the above embodiment. The connecting rod extends along the connecting direction of the two clamping members 31 and has a diameter varying arrangement, forming a convex segment 312 and two extension segments. A step surface is formed at the connection between the convex segment and each extension segment, and the diameter of the convex segment 312 is larger than that of the extension segment and is located in the accommodating cavity. Two elastic members are arranged and sleeved on the two extension segments, and the two ends of each elastic member abut against the step surface and the cavity wall of the accommodating cavity, respectively. In a third embodiment, the clamping assembly 3 comprises the clamping member 31, the connecting seat 32, the connecting rod and the elastic member. The clamping member 31 is not provided with an accommodating cavity, and the other parts of the clamping member 31 and the connecting seat 32 are as described in the above embodiment. The connecting rod is fixedly arranged on the connecting seat 32 and extends through the clamping member 31 along the connecting direction of the two clamping members 31. The elastic member is sleeved on the connecting rod and abuts against the clamping member 31 and the connecting seat 32 at two ends.

[0042] In an embodiment of the present application, the connecting seat 32 is detachably arranged on the loading platform 2. In this way, the connecting seat 32, the screw rod 33 and the elastic member can be detached together with the clamping member 31. The positions of the connecting seat 32, the screw rod 33 and the elastic member can be determined according to different specifications of the glass mounting seat 200 to provide a required elastic force to clamp the glass mounting seat 200.

[0043] Specifically, 2 3mm screws are used to fixedly connect the connecting seat 32 and the loading platform 2.

[0044] In an embodiment of the present application, the dispensing fixing device 100 of the lens protection glass further comprises a bearing 4 arranged between the base 1 and the carrier 2; one of the inner ring or the outer ring of the bearing 4 is fixedly arranged on the base 1, and the other is fixedly connected with the carrier 2, and the carrier 2 is rotatably connected with the base 1 through the bearing 4, and there is no jamming phenomenon in uniform rotation.

[0045] Specifically, the bearing 4 comprises an inner ring, an outer ring, a retainer and a plurality of balls, the inner ring and the outer ring are coaxial with the rotation axis of the carrier 2, and the outer ring is sleeved on the inner ring; the retainer is arranged between the inner ring and the outer ring, and the retainer is annularly arranged and has a plurality of through holes, the through holes extend along the radial direction of the retainer and accommodate the plurality of balls, the balls are arranged in the through holes, and the balls are in abutment with the inner ring and the outer ring on both sides; the inner ring is locked on the base 1 by four countersunk screws with a nominal diameter of 4 mm and a total height of 16 mm uniformly distributed along the circumferential direction of the inner ring; and the outer ring has four countersunk screws with a nominal diameter of 4 mm and a total height of 16 mm uniformly distributed along the circumferential direction of the outer ring, and the outer ring is used to fixedly connect the carrier 2.

[0046] In an embodiment of the present application, the dispensing fixing device 100 of the lens protection glass further comprises a driving assembly arranged on the base 1, and the driving assembly comprises a driving motor, and the driving motor has a driving shaft coaxial with the axis of the carrier 2. The driving motor is used to drive the carrier 2 to rotate, the rotation speed can be accurately maintained, and the dispensing is more uniform.

[0047] Further, the driving motor has an adjustable rotation speed, which can be adjusted among several rotation speeds, and different rotation speeds of the driving motor correspond to different critical scales on the screw rod 33.

[0048] In an embodiment of the present application, the top surface of the carrier 2 is provided with a placing groove 22 for placing the glass mounting seat 200; and / or the carrier 2 is detachably connected to the base 1. The glass mounting seat 200 is placed in the placing groove 22, is further fixed, and the carrier 2 is detachably arranged, so that when the dispensing is performed on glass mounting seats 200 of different specifications, the carrier 2 with the placing groove 22 matched with the glass mounting seat 200 can be detached and replaced.

[0049] Specifically, the top surface of the carrier 2 is provided with a sliding groove 21 extending along the direction of the connecting line of the two clamping pieces 31, and opposite ends of the sliding groove 21 penetrate through the carrier 2, and the placing groove 22 is located at the central position of the top of the carrier 2, so that the sliding groove 21 is cut into two sections in the middle of the sliding groove 21, each section of the sliding groove 21 corresponds to one clamping piece 31 and has two penetrating sides, so that the clamping piece 31 has higher freedom degree when being detached, and the protrusion 312 of each clamping piece 31 can be moved out from the two penetrating sides.

[0050] The utility model discloses still propose a lens protection glass's point gum device, lens protection glass's point gum device includes the lens protection glass's point gum fixed device 100 and point gum pipe as described above, the lens protection glass's point gum fixed device 100 specific structure refers to the above embodiment, because lens protection glass's point gum device adopted all technical schemes of above -mentioned all embodiments, therefore at least has all beneficial effects brought by the technical scheme of above -mentioned embodiment, here no longer one by one elaboration. Among them, point gum pipe sets up in the upper portion of support 2, is used to the glue outlet of glass mounting seat 200.

[0051] In the utility model an embodiment, a clamping piece 31 is movably arranged and can be fixed on the support 2, and is the first clamping piece 31, another clamping piece 31 is movably arranged and is modularly arranged with the connecting seat 32, screw rod 33, elastic piece, and is the second clamping piece 31, when carrying out point gum, the test steps of the utility model are as follows:

[0052] First step: install the support 2 on the base 1 and slide the first clamping piece 31 and the second clamping piece 31 into the sliding slot 21 of the support 2, and fix the first clamping piece 31, adjust the position of the connecting seat 32 to ensure that the critical scale on the screw rod 33 is exposed;

[0053] Second step, place the first glass mounting seat 200 on the placing groove 22, control the second clamping piece 31 and the first clamping piece 31 to clamp the glass mounting seat 200 together, and then fix the position of the point gum pipe, control the support 2 to rotate, and make the point gum pipe along the glue outlet to the inside of the glass mounting seat 200.

[0054] Third step, control the second clamping piece 31 to move away from the first clamping piece 31, take out the first glass mounting seat 200, and place the second glass mounting seat 200, loosen the second clamping piece 31, and carry out point gum on the second glass mounting seat 200.

[0055] The above only is the exemplary implementation of the utility model, and does not limit the patent range of the utility model, and the equivalent structure transformation made by using the utility model specification and drawing contents, or direct / indirect application in other related technical fields all include in the patent protection range of the utility model.

Claims

1. A dispensing fixing device for a lens protection glass, characterized in that, The lens protection glass dispensing device comprises: a base; a carrier, which is arranged on the top of the base and rotates around an axis extending in the up-down direction, and is used for placing a glass mount; and ， a clamping assembly, which comprises two clamping members arranged on the carrier and on opposite sides of the axis of the carrier, at least one of the clamping members has a moving stroke close to or away from the other clamping member, and the two clamping members are used to clamp the glass mount together.

2. The point fixing device for lens protection glass according to claim 1, wherein Each of the clamping members is provided with a clamping opening on the side facing the other clamping member, and the width of the two clamping openings gradually increases in the direction towards each other.

3. The point fixing device for lens protection glass according to claim 1 or 2, characterized in that, The top surface of the carrier is provided with a sliding groove extending along the connecting direction of the two clamping members, and the bottom surface of at least one of the clamping members is formed with a protrusion extending into the sliding groove and movably arranged along the extension direction of the sliding groove.

4. The point fixing device for lens protection glass according to claim 3, wherein, The opposite ends of the sliding groove pass through the carrier, so that the clamping members can move out of the through side of the sliding groove to separate from the carrier.

5. The point fixing device for lens protection glass according to claim 1, wherein A receiving cavity is formed in one of the clamping members. The clamping assembly further comprises: a connecting seat arranged on the carrier; a screw rod fixedly arranged on the connecting seat and extending along the connecting direction of the two clamping members, and a part of the screw rod can be located in the receiving cavity; and a resilient member arranged in the receiving cavity and sleeved on the outside of the screw rod, at least part of the resilient member can be embedded in the thread groove of the screw rod, and the two ends of the resilient member abut against the cavity wall of the receiving cavity.

6. The point fixing device for lens protection glass according to claim 5, wherein, The connecting seat is detachably arranged on the carrier.

7. The point fixing device for lens protection glass according to claim 1, wherein The lens protection glass dispensing device further comprises a bearing arranged between the base and the carrier; one of the inner ring or the outer ring of the bearing is fixedly arranged on the base, and the other is fixedly connected with the carrier.

8. The point fixing device for lens protection glass according to claim 1, wherein The lens protection glass dispensing device further comprises a driving assembly arranged on the base, and the driving assembly comprises a driving motor having a driving shaft with the axis of the carrier as the center axis.

9. The point fixing device for lens protection glass according to any one of claims 1, wherein The top surface of the carrier is provided with a placing groove for placing the glass mount; and / or The carrier is detachably connected with the base.

10. A dispensing device for lens protection glass, characterized in that, The lens protection glass dispensing device comprises: the lens protection glass dispensing device according to any one of claims 1-9; and a dispensing tube arranged above the carrier and used for dispensing glue to the glass mount.

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