Automatic pressing machine for lens

Abstract

The utility model discloses an automatic pressing machine for a lens, which is characterized in that a vertical driving cylinder is arranged on a portal frame, and the force application end of the vertical driving cylinder drives a vertical sliding plate; a pressure head fixing seat and a bottom end baffle are arranged on the vertical sliding plate, a plurality of buffer cavities are formed in the pressure head fixing seat, a plurality of counter bores are formed in the bottom end baffle and correspond to buffer parts in the buffer cavities respectively, and a pressure head is fixed in each counter bore; a fixing groove is formed in the lower portion of the portal frame, a lead screw and a lead screw nut are arranged in the fixing groove, a horizontal sliding plate, a lens base and a lens tray are fixed to the lead screw nut, and a plurality of lens containing grooves are formed in the top face of the lens tray and used for containing lenses; according to the utility model, the lead screw can drive the lens tray to perform directional pulse movement, the vertical driving cylinder drives the plurality of pressing heads to press down once to pressurize the lens every time the lens tray moves, and the pressing heads apply force by adopting flexible buffering, so that the pressing efficiency is improved, and damage to the lens caused by instant impact can be avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of camera lens assembly equipment for electronic communication devices, and particularly relates to an automatic lens pressing machine. Background Art

[0002] In existing communication and entertainment devices such as mobile phones, tablet computers, and smart watches, cameras are provided. Such cameras are small in size and must be assembled by professionals using professional equipment during production line assembly.

[0003] In the prior art, the lens for the camera is a multi-component combined structure. After the lens elements are assembled, the lens assembly needs to be pressed and assembled under the drive of a pressing device. This kind of pressing and assembling is collectively called pressing.

[0004] Currently, when assembling such lenses in the prior art, the following drawbacks exist: The prior art realizes pressing through a manual method. The pressing force of this manual method cannot be accurately controlled, and there are drawbacks such as damaging the lens or lens elements, and the pressing efficiency is low. Moreover, the existing lens pressing end is a metal pressing head. When this metal pressing head presses against the lens, the force application process is relatively direct. After the lens instantaneously receives a large pressing force, it is easy to cause damage to the lens or lens elements.

[0005] In view of the above problems encountered in the lens element assembly process, the technical problem that needs to be urgently solved by those skilled in the art is to design an automatic lens pressing machine that can realize automatic lens pressing and can achieve force application buffering during pressing to avoid damage to the lens caused by instantaneous impact. Summary of the Invention

[0006] In view of the above-mentioned disadvantages of the prior art, the purpose of the present utility model is to provide an automatic lens pressing machine. By setting a movable lens base on the workbench, a lens tray is arranged on the lens base, and a vertical pressing member is fixed above the corresponding lens tray, so as to realize the pressing of each lens or row by row and column by column inside the lens tray while the lens base moves.

[0007] The technical solution adopted by the present utility model to solve its technical problems is:

[0008] An automatic lens pressing machine, which includes a gantry. A guide plate is arranged on the gantry, and a vertical track is arranged on the guide plate. A vertical driving cylinder is arranged on the upper part of the gantry or the guide plate. A vertical sliding plate is arranged on the force-applying end of the vertical driving cylinder. The vertical sliding plate is matched with the vertical track to realize vertical movement guidance. A press head fixing seat is arranged on the vertical sliding plate. A number of buffer cavities are arranged in the press head fixing seat. A bottom end baffle is arranged at the lower part of the press head fixing seat. A number of counterbores are arranged on the bottom end baffle. The number of counterbores are respectively arranged corresponding to the buffer members in the buffer cavities, and a press head is fixed in each counterbore.

[0009] A fixing groove is arranged at the lower part of the gantry. A lead screw is arranged in the fixing groove. A driving motor is arranged corresponding to the lead screw. A lead screw nut is arranged on the lead screw. A horizontal sliding plate is fixed on the lead screw nut. A lens base is arranged on the horizontal sliding plate. A number of positioning protrusions or positioning grooves are arranged on the lens base. The lens tray is fixed through the positioning protrusions or positioning grooves. A number of lens placement grooves are arranged in an array on the top surface of the lens tray.

[0010] A positioning plate is arranged at the end of the fixing groove. A buffer positioning seat is arranged on the positioning plate. The buffer positioning seat is arranged corresponding to the horizontal sliding plate or the lens base.

[0011] A T-shaped groove is arranged at the top of the vertical sliding plate. A T-shaped force-applying member is arranged corresponding to the T-shaped groove. The T-shaped groove is inserted and matched with the T-shaped force-applying member. The T-shaped force-applying member is fixed on the force-applying end of the vertical driving cylinder.

[0012] At least two adjustment grooves are arranged on the lens base. Adjustment seats are respectively arranged on the left and right sides of the horizontal sliding plate corresponding to the lens base. An adjustment screw is fixed on the adjustment seat. The adjustment screw can rotate in the adjustment seat and drive the lens base to move left and right.

[0013] A force-applying groove is arranged at the edge of the lens base. Through the force-applying groove, it is convenient to take the lens tray on and off the lens base.

[0014] The utility model has the following beneficial effects: a vertical driving cylinder is arranged on the gantry, and the force application end of the vertical driving cylinder drives a vertical sliding plate; a press head fixing seat and a bottom end baffle are arranged on the vertical sliding plate, a plurality of buffer cavities are arranged in the press head fixing seat, a plurality of counterbores are arranged on the bottom end baffle, the plurality of counterbores are respectively arranged corresponding to buffer members in the buffer cavities, and a press head is fixed in each counterbore; a fixing groove is arranged at the lower part of the gantry, a lead screw and a lead screw nut are arranged in the fixing groove, a horizontal sliding plate, a lens base and a lens tray are fixed on the lead screw nut, and a plurality of lens placing grooves are arranged in an array on the top surface of the lens tray for placing lenses; through the above structural arrangement, the utility model can drive the lens tray to move in a directional pulse manner by the lead screw, and each time it moves, a plurality of press heads are driven by the vertical driving cylinder to press down once to press the lens, and the press head applies force in a flexible buffering manner, which can avoid damage to the lens caused by instantaneous impact, not only improves the lens pressing efficiency, but also improves the extrusion precision and reduces the defective rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present utility model will be further described below with reference to the drawings and embodiments.

[0016] Figure 1 is a schematic right-side three-dimensional structure diagram of the present utility model;

[0017] Figure 2 is a schematic front-view structure diagram of the present utility model;

[0018] Figure 3 is a schematic left-side three-dimensional structure diagram of the present utility model;

[0019] Figure 4 is a schematic top three-dimensional structure diagram of the present utility model;

[0020] Figure 5 is Figure 2 an enlarged schematic diagram of the structure of area A in

[0021] In the figures, 1. gantry, 11. front side fixing plate, 12. guide plate; 2. vertical driving cylinder, 21. driving cylinder fixing seat, 22. vertical track, 23. I-shaped force application member, 24. vertical sliding plate, 25. T-shaped groove; 3. press head, 31. bottom end baffle, 32. counterbore, 33. press head fixing seat, 34. buffer cavity, 35. buffer member; 4. fixing groove, 41. lead screw, 42. driving motor, 43. connecting frame, 44. connector, 45. positioning plate, 46. buffer positioning seat, 47. lead screw nut; 5. horizontal sliding plate; 6. lens base, 61. force application groove, 62. adjustment groove, 63. positioning protrusion; 7. adjustment seat, 71. positioning groove, 72. adjustment screw, 73. circular ring protrusion; 8. lens tray, 81. lens placing groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The present utility model will be further described in detail through embodiments. It should be understood that after the description in the specification, the working principle of the present utility model is relatively clear. Those skilled in the art can further extend it under the guidance of the specification and specific embodiments, but such technical extensions should fall within the scope of protection of the claims of this patent application.

[0023] An automatic lens pressing machine, as shown in the attached drawings, includes a gantry 1. A front side fixing plate 11 is provided on the front side of the gantry 1, and the guide plate 12 is fixed through the front side fixing plate 11. When the guide plate 12 is arranged, it is centered on the front side surface of the gantry 1.

[0024] Two vertical rails 22 are vertically arranged on the front side surface of the guide plate 12, and the vertical rails 22 are connected through sliders and a vertical slide plate 24.

[0025] In the present utility model, a driving cylinder fixing seat 21 is arranged on the gantry 1 or on the guide plate 12. The vertical driving cylinder 2 is vertically fixed through the driving cylinder fixing seat 21. An I-shaped force application member 23 is arranged on the force application end of the vertical driving cylinder 2. A T-shaped groove 25 is arranged on the top end surface of the vertical slide plate 24 to cooperate with the I-shaped force application member 23. The I-shaped force application member 23 is inserted and matched with the T-shaped groove 25. Through the above structural arrangement, the vertical slide plate 24 can be driven by the vertical driving cylinder 2. The vertical slide plate 24 cooperates with the two vertical rails 22 to realize vertical movement guidance. A pressing head fixing seat 33 is arranged at the bottom end of the vertical slide plate 24. As Figure 2 、 5 shown, a plurality of buffer cavities 34 are arranged in the pressing head fixing seat 33. A bottom end baffle 31 is arranged at the lower part of the pressing head fixing seat 33. A plurality of counterbores 32 are arranged on the bottom end baffle 31. The plurality of counterbores 32 are respectively arranged corresponding to the buffer members 35 in the buffer cavities 34. A pressing head 3 is fixed in each counterbore 32. The pressing head is made of stainless steel. In this embodiment, the buffer member 35 is made of rubber or a spring. When the pressing head 3 moves downward and presses the lens, it can avoid damage to the lens caused by instantaneous impact. The present utility model can apply impact force to the lens surface in a buffered and shock-absorbing manner.

[0026] A fixed groove 4 is provided at the lower part of the gantry 1 described above. A lead screw 41 is arranged in the fixed groove 4, and a connecting frame 43 is arranged at the end of the fixed groove 4. The external drive motor 42 is fixed through the connecting frame 43. A connector 44 is arranged in the connecting frame 43, and the drive motor 42 is connected to the lead screw 41 through the connector 44. In the utility model, a lead screw nut 47 is arranged in a matching manner on the lead screw 41. A horizontal sliding plate 5 is fixed on the lead screw nut 47, and a lens base 6 is arranged on the horizontal sliding plate 5. A number of positioning protrusions 63 are arranged on the lens base 6, and the lens tray 8 is fixed through the positioning protrusions 63. To facilitate the taking and placing of the lens tray 8, the utility model also arranges force application grooves 61 at the edges of the four sides of the lens base 6. Through the force application grooves 61, the lens tray 8 can be conveniently taken on and off the lens base 6. A number of lens placement grooves 81 are arranged in an array on the top surface of the lens tray 8, and the lens placement grooves 81 are used for placing lenses.

[0027] The utility model also arranges at least two adjustment grooves 62 on the lens base 6. In this embodiment, four adjustment grooves 62 are symmetrically arranged on the left and right. Corresponding adjustment seats 7 are respectively arranged on the left and right sides of the lens base 6 on the horizontal sliding plate 5. A positioning groove 71 is arranged on the adjustment seat 7, and the positioning groove 71 has a structure with a small opening and a large cavity. An adjustment screw 72 is arranged in cooperation with the positioning groove 71. Two circular ring protrusions 73 are arranged at intervals on the adjustment screw 72. By matching the gap between the circular ring protrusions with the positioning groove 71, the user can rotate the adjustment screw 72 in the adjustment seat 7, and drive the lens base 6 to move left and right through the adjustment screw 72, so as to realize precise adjustment of the lens base 6 in the left and right directions. After the adjustment is completed, it is locked and fixed through the locking bolt in the adjustment groove 62.

[0028] After the above structural settings, the utility model can drive the lens tray 8 to move in a directional pulse through the lead screw 41. Each time it moves, the vertical drive cylinder 2 drives a number of pressure heads 3 to press down once to apply pressure to the lens. And the pressure heads 3 apply force with flexible buffering, which can avoid damage to the lens caused by instantaneous impact, not only improves the lens pressing efficiency, but also improves the extrusion accuracy and reduces the defective rate.

[0029] For further improvement, the utility model also arranges a positioning plate 45 at the end of the fixed groove 4. A buffer positioning seat 46 is arranged on the positioning plate 45, and the buffer positioning seat 46 is correspondingly arranged with the horizontal sliding plate 5 or the lens base 6. When the lead screw 41 drives the entire lens base 6 to move, flexible contact can be realized through the collision and extrusion between the buffer positioning seat 46 and the horizontal sliding plate 5 or the lens base 6, so as to avoid the influence of the impact on the lens tray 8 above the fixed groove 4.

Claims

1. An automatic lens pressing machine, characterized in that: It includes a gantry, on which a guiding plate is provided. A vertical track is arranged on the guiding plate. A vertical driving cylinder is arranged on the upper part of the gantry or the guiding plate. A vertical sliding plate is arranged on the force-applying end of the vertical driving cylinder. The vertical sliding plate is matched with the vertical track to realize vertical movement guiding; a pressure head fixing seat is arranged on the vertical sliding plate. A number of buffer cavities are arranged in the pressure head fixing seat. A bottom baffle is arranged at the lower part of the pressure head fixing seat. A number of counterbores are arranged on the bottom baffle. The number of counterbores are respectively arranged corresponding to the buffer members in the buffer cavities. A pressure head is fixed in each counterbore. A fixing groove is arranged at the lower part of the gantry. A lead screw is arranged in the fixing groove. A driving motor is arranged corresponding to the lead screw. A lead screw nut is arranged on the lead screw. A horizontal sliding plate is fixed on the lead screw nut. A lens base is arranged on the horizontal sliding plate. A number of positioning protrusions or positioning grooves are arranged on the lens base. The lens tray is fixed by the positioning protrusions or positioning grooves; a number of lens placement grooves are arranged in an array on the top surface of the lens tray.

2. The automatic lens pressure testing machine according to claim 1, characterized in that: A positioning plate is arranged at the end of the fixing groove. A buffer positioning seat is arranged on the positioning plate. The buffer positioning seat is arranged corresponding to the horizontal sliding plate or the lens base.

3. The automatic lens press as claimed in claim 1, wherein: A T-shaped groove is arranged at the top of the vertical sliding plate. A T-shaped force-applying member is arranged corresponding to the T-shaped groove. The T-shaped groove is inserted and matched with the T-shaped force-applying member. The T-shaped force-applying member is fixed on the force-applying end of the vertical driving cylinder.

4. The automatic lens pressing machine according to claim 1, wherein: At least two adjustment grooves are arranged on the lens base. Adjustment seats are respectively arranged on the left and right sides of the horizontal sliding plate corresponding to the lens base. An adjustment screw is fixed on the adjustment seat. The adjustment screw can rotate in the adjustment seat and drive the lens base to move left and right.

5. The automatic lens press machine according to claim 1, characterized in that: A force-applying groove is arranged at the edge of the lens base. The lens tray can be conveniently taken on and off the lens base through the force-applying groove.

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