BASE optical device press-fitting machine

Abstract

The utility model relates to a BASE optical device press -fit machine, including press machine body and buffer mechanism, buffer mechanism includes inner tube, outer tube, buffer spring, the upper end fixed connection of inner tube is in the force arm bottom of press machine body, the lower extreme of outer tube swingly covers and set in the inner tube, buffer spring sets up in the outer tube, and the both ends of buffer spring are connected with the inner bottom wall of outer tube and the lower end surface of inner tube respectively, the upper end surface of the bed of press machine body is provided with the placement groove of placing BASE optical device. The utility model has the advantages that: the present scheme is based on the optimization of existing press -fit machine, sets up buffer mechanism on the force arm, sets up through buffer spring, plays the purpose of buffering and shock absorption when the press -fit of optical device, avoids the force arm to directly give optical device with force rigidity, thereby effectively reduces the risk that the glass of optical device is shattered, greatly improves the yield of product, the technical scheme of the utility model does not need to improve the whole press -fit machine, greatly reduces the development cost.

Description

Technical Field

[0001] This utility model relates to the field of optical device pressing and bonding technology, specifically to a BASE optical device pressing and bonding machine. Background Technology

[0002] In the manufacturing process of optical communication devices, the press-fitting process is a crucial step in ensuring the precise assembly of TO56 and BASE. Existing press-fitting equipment (such as traditional press-fitting machines or microcomputer-controlled pneumatic presses) typically employs a rigid connection structure, with its lever arm directly acting on the surface of the optical device to complete the press-fitting action. For example, a press-fitting device for a BOSA device disclosed in Chinese Utility Model Patent No. 201620869642.X includes a clamp, a push rod, a lifting unit, and a linkage unit; the clamp for fixing the workpiece is positioned below the push rod on the lifting unit, and the linkage unit is connected to the lifting unit to control its lifting and lowering. However, optical devices contain precision optical components such as glass slides, which are extremely sensitive to the instantaneous impact forces during the press-fitting process.

[0003] Production practice has shown that traditional rigid press-fitting methods have the following technical drawbacks: During the press-fitting process, the rigid contact between the lever arm and the optical device generates mechanical vibration, which is directly transmitted to the glass slide surface through the lever arm. Due to the high brittleness and weak impact resistance of the glass slide material, repeated or excessive vibration can easily lead to micro-cracks or even direct breakage within the slide. This problem is particularly prominent in high-speed automated press-fitting scenarios, manifesting as significant fluctuations in product yield and random breakage, making it difficult to completely avoid through conventional quality inspection methods. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a BASE optical device compression and bonding machine to overcome the shortcomings of the prior art.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A BASE optical device pressing machine includes a press body and a buffer mechanism; the buffer mechanism includes an inner cylinder, an outer cylinder, and a buffer spring; the upper end of the inner cylinder is fixedly connected to the bottom of the lever arm of the press body, the outer cylinder is movably sleeved on the lower end of the inner cylinder, the buffer spring is set inside the outer cylinder, and the two ends of the buffer spring are respectively connected to the inner bottom wall of the outer cylinder and the lower end face of the inner cylinder; the upper end face of the press body base is provided with a placement groove for placing BASE optical devices.

[0006] The beneficial effects of this utility model are as follows: This solution is based on the existing pressing machine and optimizes it by setting a buffer mechanism on the lever arm. Through the setting of the buffer spring, it plays a role in buffering and shock absorption during the pressing of optical devices, avoiding the lever arm from directly and rigidly transmitting force to the optical devices, thereby effectively reducing the risk of the glass slide of the optical devices being broken by vibration and greatly improving the product yield. This technical solution does not require modification of the entire pressing machine, which greatly reduces the research and development cost.

[0007] Based on the above technical solution, the present invention can be further improved as follows.

[0008] Furthermore, the buffer mechanism also includes an adjusting plate, which is movably disposed inside the outer cylinder. The two ends of the buffer spring are respectively connected to the inner bottom wall of the outer cylinder and the lower end face of the adjusting plate. The adjusting plate is driven by an electric drive structure to move linearly along the height direction of the outer cylinder.

[0009] Furthermore, the electric drive structure includes a through-type lead screw motor and a lead screw; the through-type lead screw motor is fixedly installed inside the inner cylinder, and a through hole is provided at the bottom of the inner cylinder. The lead screw is matched with the through-type lead screw motor, and the lower end of the lead screw extends into the outer cylinder through the through hole and is rotatably connected to the adjusting plate through a rotating component; the lead screw, the adjusting plate, and the rotating component are arranged coaxially.

[0010] Furthermore, a slide rail is provided on the inner circumferential wall of the outer cylinder, and a first slide groove is provided on the circumferential wall of the adjusting plate, along which the slide rail slides; a second slide groove is provided on the outer circumferential wall of the inner cylinder along the height direction of the inner cylinder, and the slide rail is adapted to the second slide groove.

[0011] Furthermore, a third sliding groove is provided on the outer peripheral wall of the inner cylinder along the height direction of the inner cylinder. The two ends of the third sliding groove are closed. A slider is provided on the inner peripheral wall at the upper end of the outer cylinder, and the slider slides along the third sliding groove.

[0012] Furthermore, a pressure sensor is installed at the bottom of the outer cylinder, and the pressure sensor is electrically connected to the display screen of the press body.

[0013] Furthermore, the press body also includes an adjustment knob, which is electrically connected to a through-type lead screw motor.

[0014] Furthermore, the upper end face of the press body is provided with a placement seat for placing BASE optical devices, and the placement slot is provided on the upper end face of the placement seat; the placement seat is detachably mounted on the upper end face of the press body by bolts. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the explosive structure of the buffer mechanism of this utility model; Figure 3 This is a schematic cross-sectional view of the buffer mechanism of this utility model; Figure 4 This is a schematic diagram of the cross-sectional structure of the inner cylinder of this utility model.

[0016] The attached diagram lists the components represented by each number as follows: 1. Press body; 11. Lever arm; 12. Base; 13. Placement seat; 131. Placement groove; 14. Display screen; 15. Adjustment knob; 2. Buffer mechanism; 21. Inner cylinder; 211. Through hole; 212. Second slide groove; 213. Third slide groove; 22. Outer cylinder; 221. Slide rail; 222. Slider; 23. Buffer spring; 24. Adjustment plate; 241. First slide groove; 25. Through-type lead screw motor; 26. Lead screw; 27. Rotating component; 28. Pressure sensor. Detailed Implementation

[0017] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0018] like Figures 1-4 As shown in Embodiment 1, a BASE optical device press assembly machine includes a press body 1 and a buffer mechanism 2. The buffer mechanism 2 includes an inner cylinder 21, an outer cylinder 22, and a buffer spring 23. The upper end of the inner cylinder 21 is fixedly connected to the bottom of the lever arm 11 of the press body 1. The outer cylinder 22 is movably sleeved on the lower end of the inner cylinder 21. The buffer spring 23 is disposed inside the outer cylinder 22. The two ends of the buffer spring 23 are respectively connected to the inner bottom wall of the outer cylinder 22 and the lower end face of the inner cylinder 21. The upper end face of the base 12 of the press body 1 is provided with a placement groove 131 for placing BASE optical devices.

[0019] This solution optimizes the existing press assembly machine by adding a buffer mechanism 2 to the lever arm 11. The buffer spring 23 acts as a buffer and shock absorber during the press assembly of optical components, preventing the lever arm 11 from directly and rigidly transmitting force to the optical components. This effectively reduces the risk of the optical component's glass slide shattering and significantly improves the product yield. This technical solution requires no modification to the entire press assembly machine, greatly reducing R&D costs. In specific implementation, the press body 1 uses a microcomputer-controlled pneumatic press.

[0020] Example 2 is a further improvement based on Example 1, and its details are as follows: The buffer mechanism 2 also includes an adjusting plate 24, which is movably disposed inside the outer cylinder 22. The two ends of the buffer spring 23 are respectively connected to the inner bottom wall of the outer cylinder 22 and the lower end face of the adjusting plate 24. The adjusting plate 24 is driven to move linearly along the height direction of the outer cylinder 22 by an electric drive structure.

[0021] The adjusting plate 24 changes its height position inside the outer cylinder 22 via an electrically driven structure, directly adjusting the compression amount Δx of the buffer spring 23. According to Hooke's Law F = kΔx, the change in spring force is proportional to the compression amount, thus achieving dynamic control of the pressure: when the adjusting plate 24 is lowered, the spring preload increases and the pressure increases; when it is raised, the preload decreases and the pressure decreases. This scheme, through the dynamic adjustment of the preload of the buffer spring 23, enables the buffer mechanism 2 to have adaptive adjustment capabilities, allowing for flexible adjustment of pressure according to actual needs and improving buffering efficiency.

[0022] Example 3 is a further improvement based on Example 2, and its details are as follows: The electric drive structure includes a through-type lead screw motor 25 and a lead screw 26. The through-type lead screw motor 25 is fixedly installed inside the inner cylinder 21. The bottom of the inner cylinder 21 is provided with a through hole 211. The lead screw 26 is matched with the through-type lead screw motor 25. The lower end of the lead screw 26 extends into the outer cylinder 22 through the through hole 211 and is rotatably connected to the adjusting plate 24 through the rotating part 27. The lead screw 26, the adjusting plate 24, and the rotating part 27 are arranged coaxially.

[0023] The through-type lead screw motor 25 is built into the inner cylinder 21. It is connected to the adjusting plate 24 through the lead screw 26 passing through the through hole 211, and directly converts the rotational motion into linear displacement, driving the adjusting plate 24 to move axially. The lead screw 26, the adjusting plate 24 and the rotating part 27 are arranged coaxially to eliminate the radial stress when the adjusting plate 24 is displaced and to prevent the lead screw 26 from jamming. At the same time, the use of a through-type lead screw motor can save space significantly and reduce the overall diameter or volume of the buffer mechanism 2. In specific implementation, the rotating part 27 is a bearing. The inner ring of the bearing is fixedly connected to the lower end of the lead screw 26, and the outer ring of the bearing is fixedly connected to the upper end face of the adjusting plate 24.

[0024] Example 4 is a further improvement on Example 3, and its details are as follows: The inner circumferential wall of the outer cylinder 22 is provided with a slide rail 221, and the circumferential wall of the adjusting plate 24 is provided with a first slide groove 241, along which the slide rail 221 slides. The outer circumferential wall of the inner cylinder 21 is provided with a second slide groove 212 along the height direction of the inner cylinder 21, and the slide rail 221 is adapted to the second slide groove 212. By setting the first slide groove 241, the slide rail 221 and the second slide groove 212, it is possible to ensure that the outer cylinder 22 moves axially linearly relative to the inner cylinder 21, while axially limiting the adjusting plate 24, so as to prevent the adjusting plate 24 from rotating synchronously when the lead screw 26 rotates, thereby counteracting the axial linear movement of the adjusting plate 24.

[0025] Example 5 is a further improvement based on any one of Examples 1 to 4, and its details are as follows: A third sliding groove 213 is formed on the outer peripheral wall of the inner cylinder 21 along the height direction of the inner cylinder 21. The two ends of the third sliding groove 213 are closed. A slider 222 is provided on the upper inner peripheral wall of the outer cylinder 22. The slider 222 slides along the third sliding groove 213. By setting the third sliding groove 213 with its two ends closed, the movement range of the outer cylinder 22 can be limited to prevent the outer cylinder from detaching from the inner cylinder 21.

[0026] Example 6 is a further improvement based on any one of Examples 2 to 4, and its details are as follows: A pressure sensor 28 is installed at the bottom of the outer cylinder 22, and the pressure sensor 28 is electrically connected to the display screen 14 of the press body 1. The pressure feedback from the pressure sensor 28 is used to operate the electric drive structure for adjustment, ensuring the accuracy and real-time performance of the adjustment control, enabling the operator to quickly adjust according to load or working condition requirements.

[0027] Example 7 is a further improvement based on Example 6, and its details are as follows: The press body 1 also includes an adjustment knob 15, which is electrically connected to the through-type lead screw motor 25. In a specific implementation, the adjustment knob 15 is a rotary adjustable potentiometer.

[0028] Example 8 is a further improvement based on Example 1, and its details are as follows: The upper surface of the base 12 of the press body 1 is provided with a placement seat 13 for placing BASE optical devices, and a placement groove 131 is provided on the upper surface of the placement seat 13. The placement seat 13 is detachably mounted on the upper surface of the base 12 of the press body 1 by bolts. The placement seat 13 can be disassembled and replaced as needed, so as to be used for assembling different models of optical devices.

[0029] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A BASE optical device compression fitting machine, characterized in that, The press body (1) and the buffer mechanism (2) are included. The buffer mechanism (2) includes an inner cylinder (21), an outer cylinder (22), and a buffer spring (23). The upper end of the inner cylinder (21) is fixedly connected to the bottom of the lever arm (11) of the press body (1). The outer cylinder (22) is movably sleeved on the lower end of the inner cylinder (21). The buffer spring (23) is disposed inside the outer cylinder (22). The two ends of the buffer spring (23) are respectively connected to the inner bottom wall of the outer cylinder (22) and the lower end face of the inner cylinder (21). The upper end face of the base (12) of the press body (1) is provided with a placement groove (131) for placing BASE optical devices.

2. The BASE optical device pressing and bonding machine according to claim 1, characterized in that, The buffer mechanism (2) further includes an adjustment plate (24), which is movably disposed inside the outer cylinder (22). The two ends of the buffer spring (23) are respectively connected to the inner bottom wall of the outer cylinder (22) and the lower end face of the adjustment plate (24). The adjustment plate (24) is driven by an electric drive structure to move linearly along the height direction of the outer cylinder (22).

3. A BASE optical device compression fitting machine according to claim 2, characterized in that, The electric drive structure includes a through-type lead screw motor (25) and a lead screw (26); the through-type lead screw motor (25) is fixedly installed inside the inner cylinder (21), and the bottom of the inner cylinder (21) is provided with a through hole (211). The lead screw (26) is matched with the through-type lead screw motor (25), and the lower end of the lead screw (26) extends into the outer cylinder (22) through the through hole (211) and is rotatably connected to the adjusting plate (24) through a rotating component (27); the lead screw (26), the adjusting plate (24) and the rotating component (27) are coaxially arranged.

4. A BASE optical device pressing and bonding machine according to claim 3, characterized in that, The inner circumferential wall of the outer cylinder (22) is provided with a slide rail (221), and the circumferential wall of the adjusting plate (24) is provided with a first slide groove (241). The slide rail (221) slides along the first slide groove (241). The outer circumferential wall of the inner cylinder (21) is provided with a second slide groove (212) along the height direction of the inner cylinder (21). The slide rail (221) is adapted to the second slide groove (212).

5. A BASE optical device pressing and bonding machine according to any one of claims 1 to 4, characterized in that, The outer peripheral wall of the inner cylinder (21) is provided with a third sliding groove (213) along the height direction of the inner cylinder (21). The two ends of the third sliding groove (213) are closed. The upper inner peripheral wall of the outer cylinder (22) is provided with a slider (222), and the slider (222) slides along the third sliding groove (213).

6. A BASE optical device pressing and bonding machine according to any one of claims 2 to 4, characterized in that, A pressure sensor (28) is provided at the bottom of the outer cylinder (22), and the pressure sensor (28) is electrically connected to the display screen (14) of the press body (1).

7. A BASE optical device pressing and bonding machine according to claim 3, characterized in that, The press body (1) also includes an adjustment knob (15), which is electrically connected to the through-type lead screw motor (25).

8. A BASE optical device pressing and bonding machine according to claim 1, characterized in that, The upper surface of the base (12) of the press body (1) is provided with a placement seat (13) for placing BASE optical devices, and the placement groove (131) is provided on the upper surface of the placement seat (13); the placement seat (13) is detachably provided on the upper surface of the base (12) of the press body (1) by bolts.

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