Lens feeding device

Abstract

The utility model provides a lens feeding device which comprises a power mechanism, a first tray assembly and a second tray assembly. The power mechanism comprises a first motor, a first synchronous belt, a first sliding rail, a first sliding block, a second sliding rail, a second sliding block, a third sliding rail, a third sliding block, a fourth sliding rail, a fourth sliding block and a lifting sliding rail. The third sliding rail and the fourth sliding rail are arranged on the two sides of the second material disc assembly, and the two sides of the second material disc assembly are installed on the third sliding block and the fourth sliding block respectively. The first sliding rail is parallel to the third sliding rail and the fourth sliding rail in the horizontal direction, the second sliding rail is arranged in the vertical direction, and the second sliding block is further arranged on the first sliding block. A lifting sliding rail is further arranged below the second sliding rail, and the lifting sliding rail is used for achieving height lifting of the second sliding rail in the moving process in the horizontal direction. According to the utility model, the accurate position control and replacement of the first tray component and the second tray component are realized through the transmission of the multi-slide rail system and the synchronous belt.

Description

Technical Field

[0001] The utility model relates to the technical field of automation equipment, in particular to a lens feeding device. Background Art

[0002] With the development of automation technology, the degree of automation in the lens production process is constantly improving. As an important component of the lens production line, the lens feeder is of great significance for improving production efficiency and ensuring product quality. Traditional lens feeders often use a single power source and a simple mechanical structure to transfer materials. This approach has many limitations, such as low feeding accuracy, poor adaptability, high maintenance costs, and an inability to meet the needs of high-speed continuous production.

[0003] Deficiencies of existing technology:

[0004] 1. Production efficiency: The traditional feeding method cannot realize the automatic replacement of the material tray, and it is difficult to achieve fast and stable material transportation. Especially when facing large-scale production needs, low efficiency becomes one of the restrictive factors.

[0005] 2. Flexibility: In existing technologies, the movement pattern of the feeding device is relatively fixed and cannot flexibly respond to emergencies on the production line, such as emergency shutdowns or material shortages. It lacks sufficient intelligent control means to optimize the production process.

[0006] Therefore, the existing technology has deficiencies and needs further improvement. Utility Model Content

[0007] In view of the problems existing in the prior art, the utility model provides a lens feeding device.

[0008] To achieve the above purpose, the specific solutions of the present utility model are as follows:

[0009] The utility model provides a lens feeding device, comprising:

[0010] Power mechanism, first tray assembly, second tray assembly;

[0011] The first tray assembly and the second tray assembly are mounted on a power mechanism, and the power mechanism is used to drive the first tray assembly and the second tray assembly to move positions;

[0012] The power mechanism includes a first motor, a first synchronous belt, a first slide rail, a first slider, a second slide rail, a second slider, a third slide rail, a third slider, a fourth slide rail, a fourth slider, and a lifting slide rail;

[0013] The first slider, the second slider, the third slider and the fourth slider are respectively installed on the first slide rail, the second slide rail, the third slide rail and the fourth slide rail;

[0014] The third slide rail and the fourth slide rail are arranged on both sides of the second material tray assembly, and both sides of the second material tray assembly are respectively mounted on the third slider and the fourth slider;

[0015] The first slide rail is arranged in parallel with the third slide rail and the fourth slide rail in the horizontal direction, the second slide rail is arranged in the up-down direction, and the second slider is also arranged on the first slider;

[0016] A lifting rail is further provided below the second slide rail, and the lifting rail is used to achieve the height increase or decrease of the second slide rail during the horizontal movement;

[0017] The first motor is used to drive the first synchronous belt to rotate, and the first slider and the fourth slider are respectively installed on both sides of the first synchronous belt, so that the second tray assembly moves backward when the first tray assembly moves forward, and the first tray assembly moves backward when the second tray assembly moves forward. At the same time, the height of the first tray assembly increases during the forward movement and decreases during the backward movement.

[0018] Furthermore, a first connecting plate is provided between the second material tray assembly and the fourth sliding block.

[0019] Furthermore, a first roller is provided at the lower end of the second slide rail, and the second slide rail moves on the lifting track via the first roller.

[0020] Furthermore, a first synchronous wheel is mounted on the output shaft of the first motor;

[0021] The first synchronous wheel is installed at the rear of the fourth slide rail, and a second synchronous wheel is also provided in front of the fourth slide rail;

[0022] A fourth synchronous wheel and a fifth synchronous wheel are respectively provided in front and rear of the first slide rail;

[0023] A third synchronous wheel is further provided between the second synchronous wheel and the fourth synchronous wheel;

[0024] A sixth synchronizing wheel is further provided between the first synchronizing wheel and the fifth synchronizing wheel;

[0025] The first synchronous belt passes through the first synchronous wheel, the second synchronous wheel, the third synchronous wheel, the fourth synchronous wheel, the fifth synchronous wheel, the sixth synchronous wheel in sequence, and finally returns to the first synchronous wheel.

[0026] Furthermore, the first slider is also mounted on the first synchronous belt between the fourth synchronous wheel and the fifth synchronous wheel;

[0027] The fourth sliding block is also mounted on the first synchronous belt between the first synchronous wheel and the second synchronous wheel.

[0028] Furthermore, the third synchronization wheel is mounted on the first adjustable support seat, and the sixth synchronization wheel is mounted on the second adjustable support seat;

[0029] The first adjustable support seat and the second adjustable support seat are provided with an adjusting stud, and the adjusting stud is provided with an adjusting nut for adjusting the distance between the first adjustable support seat and the second adjustable support seat, and then adjusting the distance between the third synchronous wheel and the sixth synchronous wheel, thereby adjusting the tightness of the first synchronous belt.

[0030] Furthermore, a plurality of photoelectric sensors are respectively provided on both sides of the third slide rail and the fourth slide rail.

[0031] Furthermore, the first slide rail is mounted on a first support plate, and the side of the first support plate is further provided with reinforcing ribs.

[0032] Furthermore, the lens feeding device further includes a housing;

[0033] The shell includes a front side panel, a rear side panel, a left side edge, a right side edge, and a bottom panel, which are spliced ​​from the front, rear, left, right and bottom in sequence;

[0034] The fourth slide rail is mounted on the left side panel, and the third slide rail is mounted on the right side panel;

[0035] The first support plate and the reinforcing ribs are mounted on the bottom plate.

[0036] Further, the first tray assembly includes a first support plate;

[0037] The second tray assembly includes a second support plate;

[0038] A tray frame is provided on each of the first and second trays, a plurality of feed trays are provided on the tray frame, a tray cover is provided on the feed tray, and screws are provided on the tray cover for fixing the tray cover to the tray frame;

[0039] The first supporting plate is mounted on the top end of the second slide rail, and two sides of the second supporting plate are respectively mounted on the first connecting plate and the third sliding block.

[0040] The technical solution of the present invention has the following beneficial effects:

[0041] 1. Improved feeding accuracy: Through a multi-slide system (first, second, third, and fourth slides) and a synchronous belt drive (first timing belt), precise position control and replacement of the first and second tray assemblies are achieved. In particular, the first and fourth slides are mounted on either side of the first timing belt, ensuring smooth and accurate relative motion between the two tray assemblies.

[0042] 2. Enhanced Adaptability: The device features adjustable supports (first and second adjustable supports). Adjusting the studs and nuts adjusts the distance between the third and sixth synchronous pulleys, thereby adjusting the tightness of the first timing belt. This design allows the device to accommodate lenses of varying sizes and weights, enhancing its versatility and flexibility.

[0043] 3. Improved production efficiency: The power mechanism (first motor) drives the first synchronous belt to rotate, achieving alternating movement of the first and second tray assemblies. Combined with the lifting rail, the lifting rail can simultaneously move horizontally and vertically, improving feeding speed and efficiency. This design is particularly suitable for large-scale continuous production scenarios.

[0044] 4. Stable Structure: The first rail is mounted on a ribbed first support plate, enhancing the rigidity and stability of the overall structure. The design of the housing (front and rear side panels, left and right sides, and bottom panel) not only provides excellent protection but also makes the entire device more compact and aesthetically pleasing.

[0045] 5. Easy to operate: The first tray assembly and the second tray assembly are equipped with a support plate and a tray frame. The tray frame is provided with a feed tray and a tray cover, which are fixed by screws, making it convenient to load and unload the lens and simplifying the operation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 It is a three-dimensional diagram of the utility model;

[0047] Figure 2 It is a three-dimensional diagram of another perspective of the present invention;

[0048] Figure 3 This is a three-dimensional diagram of the present invention with the outer shell removed;

[0049] Figure 4 This is a three-dimensional diagram of the present invention from another perspective after removing the outer shell;

[0050] Figure 5 This is an exploded view of the present invention after the outer shell is removed;

[0051] Figure 6 It is a three-dimensional diagram of the power mechanism of the utility model;

[0052] In the picture:

[0053] 1. First tray assembly; 2. Second tray assembly; 3. First motor; 4. First synchronous belt; 5. First slide rail; 6. First slider; 7. Second slide rail; 8. Second slider; 9. Third slide rail; 10. Third slider; 11. Fourth slide rail; 12. Fourth slider; 13. Lifting slide rail; 14. First connecting plate; 15. First roller; 16. First synchronous wheel; 17. Second synchronous wheel; 18. Third synchronous wheel; 19. Fourth synchronous wheel; 20. Fifth synchronous wheel; 21. Sixth synchronous wheel; 22. First adjustable support seat; 23. Second adjustable support seat; 24. Adjusting stud; 25. Adjusting nut; 26. Photoelectric sensor; 27. First support plate; 28. Reinforcement rib; 29. ​​Front side plate; 30. Rear side plate; 31. Left side; 32. Right side; 33. Bottom plate; 34. First support plate; 35. Second support plate; 36. Tray frame; 37. Feed tray; 38. Tray cover; 39. Screws. DETAILED DESCRIPTION

[0054] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0055] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0056] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0057] In the description of this embodiment, terms such as "upper," "lower," "front," "rear," "left," and "right" are used to refer to positions or locations based on the positions or locations shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0058] Combine Figures 1-6 As shown, the utility model provides a lens feeding device, comprising: a power mechanism, a first material tray assembly 1, and a second material tray assembly 2;

[0059] The first tray assembly 1 and the second tray assembly 2 are mounted on a power mechanism, and the power mechanism is used to drive the first tray assembly 1 and the second tray assembly 2 to move positions;

[0060] The power mechanism includes a first motor 3, a first synchronous belt 4, a first slide rail 5, a first slider 6, a second slide rail 7, a second slider 8, a third slide rail 9, a third slider 10, a fourth slide rail 11, a fourth slider 12, and a lifting slide rail 13;

[0061] The first slider 6, the second slider 8, the third slider 10, and the fourth slider 12 are respectively mounted on the first slide rail 5, the second slide rail 7, the third slide rail 9, and the fourth slide rail 11;

[0062] The third slide rail 9 and the fourth slide rail 11 are arranged on both sides of the second tray assembly 2, and both sides of the second tray assembly 2 are respectively mounted on the third slider 10 and the fourth slider 12;

[0063] The first slide rail 5 is arranged in parallel with the third slide rail 9 and the fourth slide rail 11 in the horizontal direction, the second slide rail 7 is arranged in the up-down direction, and the second slider 8 is also arranged on the first slider 6;

[0064] A lifting rail 13 is further provided below the second slide rail 7, and the lifting rail 13 is used to achieve the height increase or decrease of the second slide rail 7 during the horizontal movement;

[0065] The first motor 3 is used to drive the first synchronous belt 4 to rotate, and the first slider 6 and the fourth slider 12 are respectively installed on both sides of the first synchronous belt 4, so that the second tray assembly 2 moves backward when the first tray assembly 1 moves forward, and the first tray assembly 1 moves backward when the second tray assembly 2 moves forward. At the same time, the height of the first tray assembly 1 increases during the forward movement and decreases during the backward movement.

[0066] A first connecting plate 14 is further provided between the second material tray assembly 2 and the fourth sliding block 12 .

[0067] A first roller 15 is further provided at the lower end of the second slide rail 7 , and the second slide rail 7 moves on the lifting track via the first roller 15 .

[0068] A first synchronous wheel 16 is mounted on the output shaft of the first motor 3;

[0069] The first synchronous wheel 16 is installed at the rear of the fourth slide rail 11, and a second synchronous wheel 17 is also provided in front of the fourth slide rail 11;

[0070] A fourth synchronous wheel 19 and a fifth synchronous wheel 20 are respectively provided in front and rear of the first slide rail 5;

[0071] A third synchronous wheel 18 is further provided between the second synchronous wheel 17 and the fourth synchronous wheel 19;

[0072] A sixth synchronizing wheel 21 is further provided between the first synchronizing wheel 16 and the fifth synchronizing wheel 20;

[0073] The first synchronous belt 4 passes through the first synchronous wheel 16 , the second synchronous wheel 17 , the third synchronous wheel 18 , the fourth synchronous wheel 19 , the fifth synchronous wheel 20 , and the sixth synchronous wheel 21 in sequence, and finally returns to the first synchronous wheel 16 .

[0074] The first slider 6 is also mounted on the first synchronous belt 4 between the fourth synchronous wheel 19 and the fifth synchronous wheel 20 ; the fourth slider 12 is also mounted on the first synchronous belt 4 between the first synchronous wheel 16 and the second synchronous wheel 17 .

[0075] The third synchronous wheel 18 is mounted on the first adjustable support seat 22, and the sixth synchronous wheel 21 is mounted on the second adjustable support seat 23;

[0076] The first adjustable support seat 22 and the second adjustable support seat 23 are provided with an adjusting stud 24, and the adjusting stud 24 is provided with an adjusting nut 25, which is used to adjust the distance between the first adjustable support seat 22 and the second adjustable support seat 23, and then adjust the distance between the third synchronous wheel 18 and the sixth synchronous wheel 21, thereby adjusting the tightness of the first synchronous belt 4.

[0077] A plurality of photoelectric sensors 26 are respectively provided on both sides of the third slide rail 9 and the fourth slide rail 11 .

[0078] The first slide rail 5 is mounted on a first support plate 27 , and a reinforcing rib 28 is provided on the side of the first support plate 27 .

[0079] The lens feeding device also includes a housing;

[0080] The housing includes a front side panel 29, a rear side panel 30, a left side 31, a right side 32, and a bottom panel 33, which are assembled from the front, rear, left, right and bottom in sequence;

[0081] The fourth slide rail 11 is mounted on the left side panel, and the third slide rail 9 is mounted on the right side panel;

[0082] The first support plate 27 and the reinforcement rib 28 are mounted on the bottom plate 33 .

[0083] The first tray assembly 1 includes a first support plate 34;

[0084] The second tray assembly 2 includes a second support plate 35;

[0085] The first support plate 34 and the second support plate 35 are both provided with a material tray frame 36, and a plurality of material supply trays 37 are provided on the material supply trays 37. A tray cover 38 is provided on the material supply trays 37. The tray cover 38 is also provided with screws 39 for fixing the tray cover 38 to the material tray frame 36;

[0086] The first supporting plate 34 is mounted on the top of the second slide rail 7 , and both sides of the second supporting plate 35 are mounted on the first connecting plate 14 and the third sliding block 10 respectively.

[0087] The principle of this utility model is as follows:

[0088] Power mechanism:

[0089] The first motor 3 : as the main power source, the first motor 3 drives the first synchronous belt 4 to rotate through the first synchronous wheel 16 on its output shaft.

[0090] First synchronous belt 4: The first synchronous belt 4 passes through the first synchronous wheel 16, the second synchronous wheel 17, the third synchronous wheel 18, the fourth synchronous wheel 19, the fifth synchronous wheel 20, and the sixth synchronous wheel 21 in sequence to form a closed-loop transmission system.

[0091] Slide rail system:

[0092] The first slide rail 5 is arranged horizontally, and the first slider 6 is installed on it, which is responsible for horizontal movement.

[0093] The second slide rail 7 is vertically arranged, and the second slider 8 is installed on it. The second slider 8 is also fixed on the first slider 6 to achieve movement in the up and down directions.

[0094] The third slide rail 9 and the fourth slide rail 11 are horizontally arranged on both sides of the second material tray assembly 2. The third slider 10 and the fourth slider 12 are respectively installed on the third slide rail 9 and the fourth slide rail 11 to ensure the stable movement of the second material tray assembly 2.

[0095] The lifting rail 13 is arranged below the second slide rail 7 and moves on the lifting rail through the first roller 15 to achieve the height increase or decrease of the second slide rail 7.

[0096] Movement of the tray assembly:

[0097] The first slider 6 and the fourth slider 12 are mounted on either side of the first synchronous belt 4. When the first synchronous belt 4 rotates, the first slider 6 and the fourth slider 12 move in opposite directions. Specifically, when the first slider 6 moves forward, the fourth slider 12 moves backward, and vice versa.

[0098] First and Second Tray Assembly 1 and 2: First tray assembly 1 is mounted on top of second slide rail 7, while second tray assembly 2 is mounted on first connecting plate 14 and third slider 10, respectively. Therefore, when first slider 6 moves forward, first tray assembly 1 moves forward and rises; when first slider 6 moves backward, first tray assembly 1 moves backward and descends. Simultaneously, second tray assembly 2 performs the opposite movement.

[0099] The coordination between synchronous wheel and synchronous belt:

[0100] The first synchronous wheel 16 is mounted on the output shaft of the first motor 3 and is located behind the fourth slide rail 11 .

[0101] The second synchronous wheel 17 is installed in front of the fourth slide rail 11.

[0102] The third synchronous wheel 18 is mounted on the first adjustable support seat 22 and is located between the second synchronous wheel 17 and the fourth synchronous wheel 19 .

[0103] The fourth synchronous wheel 19 and the fifth synchronous wheel 20 are respectively installed in front of and behind the first slide rail 5.

[0104] The sixth synchronous wheel 21 is mounted on the second adjustable support seat 23 and is located between the first synchronous wheel 16 and the fifth synchronous wheel 20 .

[0105] Regulation mechanism:

[0106] The first adjustable support seat 22 and the second adjustable support seat 23: By adjusting the stud 24 and the adjusting nut 25, the distance between the first adjustable support seat 22 and the second adjustable support seat 23 can be adjusted, thereby adjusting the distance between the third synchronous wheel 18 and the sixth synchronous wheel 21 to ensure that the tightness of the first synchronous belt 4 is moderate.

[0107] Photoelectric sensor 26:

[0108] Photoelectric sensor 26: installed on both sides of the third slide rail 9 and the fourth slide rail 11, used to monitor the position and status of the tray assembly in real time to ensure the accuracy and safety of the feeding process.

[0109] Structural Support:

[0110] First support plate 27 and reinforcing ribs 28: The first slide rail 5 is mounted on the first support plate 27. The side of the first support plate 27 is provided with reinforcing ribs 28 to enhance the rigidity and stability of the overall structure.

[0111] Shell: including the front side panel 29, the rear side panel 30, the left side 31, the right side 32, and the bottom plate 33. These parts are spliced ​​into a complete shell to protect the internal mechanical structure and make it more compact and beautiful.

[0112] Summarize

[0113] This lens feeding device uses a first motor 3 to drive the rotation of a first synchronous belt 4, which in turn drives the relative motion of a first slider 6 and a fourth slider 12, achieving alternating movement of the first and second tray assemblies 1 and 2. Furthermore, the coordination of a lifting rail 13 and a second rail 7 allows the tray assemblies to vary in height during their horizontal movement. This design not only improves feeding accuracy and efficiency, but also enhances the adaptability and safety of the device.

[0114] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the practical concept of the present invention, or direct / indirect application in other related technical fields are included in the protection scope of the present invention.

Claims

1. A lens feeding device, characterized in that: include: Power mechanism, first tray assembly, second tray assembly; The first tray assembly and the second tray assembly are mounted on a power mechanism, and the power mechanism is used to drive the first tray assembly and the second tray assembly to move positions; The power mechanism includes a first motor, a first synchronous belt, a first slide rail, a first slider, a second slide rail, a second slider, a third slide rail, a third slider, a fourth slide rail, a fourth slider, and a lifting slide rail; The first slider, the second slider, the third slider and the fourth slider are respectively installed on the first slide rail, the second slide rail, the third slide rail and the fourth slide rail; The third slide rail and the fourth slide rail are arranged on both sides of the second material tray assembly, and both sides of the second material tray assembly are respectively mounted on the third slider and the fourth slider; The first slide rail is arranged in parallel with the third slide rail and the fourth slide rail in the horizontal direction, the second slide rail is arranged in the up-down direction, and the second slider is also arranged on the first slider; A lifting rail is further provided below the second slide rail, and the lifting rail is used to achieve the height increase or decrease of the second slide rail during the horizontal movement; The first motor is used to drive the first synchronous belt to rotate, and the first slider and the fourth slider are respectively installed on both sides of the first synchronous belt, so that the second tray assembly moves backward when the first tray assembly moves forward, and the first tray assembly moves backward when the second tray assembly moves forward. At the same time, the height of the first tray assembly increases during the forward movement and decreases during the backward movement.

2. The lens feeding device according to claim 1, wherein: A first connecting plate is further provided between the second material tray assembly and the fourth sliding block.

3. The lens feeding device according to claim 1, wherein: A first roller is further provided at the lower end of the second slide rail, and the second slide rail moves on the lifting track via the first roller.

4. The lens feeding device according to claim 1, wherein: A first synchronous wheel is mounted on the output shaft of the first motor; The first synchronous wheel is installed at the rear of the fourth slide rail, and a second synchronous wheel is also provided in front of the fourth slide rail; A fourth synchronous wheel and a fifth synchronous wheel are respectively provided in front and rear of the first slide rail; A third synchronous wheel is further provided between the second synchronous wheel and the fourth synchronous wheel; A sixth synchronizing wheel is further provided between the first synchronizing wheel and the fifth synchronizing wheel; The first synchronous belt passes through the first synchronous wheel, the second synchronous wheel, the third synchronous wheel, the fourth synchronous wheel, the fifth synchronous wheel, the sixth synchronous wheel in sequence, and finally returns to the first synchronous wheel.

5. The lens feeding device according to claim 4, characterized in that: The first slider is also mounted on the first synchronous belt between the fourth synchronous wheel and the fifth synchronous wheel; The fourth sliding block is also mounted on the first synchronous belt between the first synchronous wheel and the second synchronous wheel.

6. The lens feeding device according to claim 4, characterized in that: The third synchronous wheel is mounted on the first adjustable support seat, and the sixth synchronous wheel is mounted on the second adjustable support seat; The first adjustable support seat and the second adjustable support seat are provided with an adjusting stud, and the adjusting stud is provided with an adjusting nut for adjusting the distance between the first adjustable support seat and the second adjustable support seat, and then adjusting the distance between the third synchronous wheel and the sixth synchronous wheel, thereby adjusting the tightness of the first synchronous belt.

7. The lens feeding device according to claim 1, wherein: A plurality of photoelectric sensors are respectively arranged on both sides of the third slide rail and the fourth slide rail.

8. The lens feeding device according to claim 1, wherein: The first slide rail is mounted on a first support plate, and the side of the first support plate is further provided with reinforcing ribs.

9. The lens feeding device according to claim 8, characterized in that: The lens feeding device also includes a housing; The shell includes a front side panel, a rear side panel, a left side edge, a right side edge, and a bottom panel, which are spliced ​​from the front, rear, left, right and bottom in sequence; The fourth slide rail is mounted on the left side panel, and the third slide rail is mounted on the right side panel; The first support plate and the reinforcing ribs are mounted on the bottom plate.

10. The lens feeding device according to claim 2, wherein: The first tray assembly includes a first support plate; The second tray assembly includes a second support plate; A tray frame is provided on each of the first and second trays, a plurality of feed trays are provided on the tray frame, a tray cover is provided on the feed tray, and screws are provided on the tray cover for fixing the tray cover to the tray frame; The first supporting plate is mounted on the top end of the second slide rail, and two sides of the second supporting plate are respectively mounted on the first connecting plate and the third sliding block.

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