A multi-angle packaging workbench based on SMT operations

Abstract

This invention discloses a multi-angle packaging workbench based on SMT operations, relating to the field of packaging workbench technology. It includes a workbench body with a packaging stage positioned above it. Symmetrical grooves are formed on the side walls of the workbench body. An angle adjustment mechanism, including a movable frame, is provided between the workbench body and the packaging stage. This mechanism allows adjustment of the tilt angle of the packaging stage on the upper surface of the workbench body according to the operator's needs. This not only provides a better viewing angle, allowing the operator to clearly see the work area and components, reducing the risk of errors and erroneous operations, but also enables the operator to maintain a more ergonomic working posture. A suitable posture can reduce pressure on the neck, back, and arms, lower operator fatigue and discomfort, improve work efficiency and comfort, and facilitate control of the peeling speed, reducing the probability of soldering defects and further improving soldering quality.

Description

Technical Field

[0001] This invention relates to the field of packaging workbench technology, specifically a multi-angle packaging workbench based on SMT operations. Background Technology

[0002] An SMT packaging workbench is a work platform specifically designed for surface mount technology (SMT) operations. It integrates a variety of equipment, tools, and process steps to efficiently and accurately complete the production process of electronic component placement, soldering, testing, and packaging.

[0003] While some existing SMT workbenches can adjust their tilt angle to suit operator needs, operators often require lighting to ensure careful work and reduce the risk of errors. However, the lighting angle on the workbench cannot be adjusted during tilt changes. This results in variations in the range and intensity of light reaching the workbench, leading to uneven lighting in some areas and reduced uniformity. Uneven or direct lighting can cause eye discomfort, leading to eye strain and even vision problems over time. Furthermore, insufficient or uneven lighting makes it difficult for operators to clearly see details on the workbench, increasing the risk of errors.

[0004] Therefore, this invention proposes a multi-angle packaging workbench based on SMT operations to solve the above problems. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a multi-angle packaging workbench based on SMT operations, which can effectively solve the problem that the angle of the lighting equipment on the packaging workbench cannot be adjusted in existing technologies.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the present invention can be accomplished through the following technical solutions:

[0009] A multi-angle packaging workbench based on SMT operations includes a workbench body, a packaging stage disposed on top of the workbench body, symmetrically formed sliding grooves on the side wall of the workbench body, an angle adjustment mechanism disposed between the workbench body and the packaging stage, the angle adjustment mechanism including a movable frame slidably connected to the upper end face of the workbench body, the angle adjustment mechanism being used to adjust the tilt angle of the packaging stage, and an automatic lighting adjustment mechanism disposed between the angle adjustment mechanism and the workbench body, the automatic lighting adjustment mechanism being used to maintain illumination on the surface of the packaging stage.

[0010] As a further aspect of the present invention: a first rack plate is symmetrically and fixedly connected to the upper end face of the movable frame, and a sector gear is meshed and connected above the first rack plate. A rotating shaft is fixedly connected between the sector gears. The rotating shaft is fixedly connected through and to the packaging platform. Support blocks are symmetrically and rotatably connected to the outer surface of the rotating shaft. The support blocks are all fixedly connected to the upper end face of the workbench body.

[0011] As a further embodiment of the present invention: a threaded rod is threadedly connected through the center of the movable frame, and one end of the threaded rod near the slide groove is rotatably connected to the workbench body. A knob is horizontally slidably connected to one end of the threaded rod through the workbench body.

[0012] As a further embodiment of the present invention: a disc is fixedly connected to the outer surface of the threaded rod near the knob, a stop plate is symmetrically attached to the outer surface of the disc, and a slider is fixedly connected to the side of the stop plate away from the disc, and the slider is slidably connected in the groove.

[0013] As a further aspect of the present invention: each slider is fixedly connected to a spring at the end away from the disc, the spring being fixedly connected to the inner wall of the slide groove; each slider is rotatably connected to a connecting rod at the side away from the worktable body; a ring is rotatably connected between the ends of the connecting rods away from the slider; and the ring is rotatably connected to the outer surface of the knob.

[0014] As a further embodiment of the present invention: both sides of the packaging platform are rotatably connected to support plates, and the end of the support plate away from the packaging platform is rotatably connected to a movable block, which is slidably connected to the upper surface of the workbench body.

[0015] As a further aspect of the present invention: the automatic lighting adjustment mechanism includes symmetrically arranged side plates, each side plate being fixedly connected to the upper surface of the workbench body. Each side plate has a through groove, and each through groove has a sliding linkage block. Each linkage block has a connecting shaft that is rotatably connected through it, and each connecting shaft has a lighting lamp fixedly connected to the side of the connecting shaft near the packaging stage.

[0016] As a further aspect of the present invention: a transmission gear is fixedly connected to the outer surface of the connecting shaft away from the lighting lamp, and a second rack plate is meshed with the lower end of each transmission gear. The second rack plate is fixedly connected to the side plate. An elastic telescopic plate is rotatably connected to the end of the connecting shaft away from the lighting lamp. The end of the elastic telescopic plate away from the connecting shaft is rotatably connected to the upper end face of the movable frame. A central column is fixedly connected to the center of the side plate near the side plate. The central column is rotatably connected to the side wall of the side plate.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, the present invention provides a multi-angle packaging workbench based on SMT operations, which has the following beneficial effects:

[0019] 1. The angle adjustment mechanism allows the operator to adjust the tilt angle of the packaging stage on the upper surface of the workbench body according to their needs. This not only provides a better viewing angle, allowing the operator to see the work area and components more clearly and reducing the risk of errors and erroneous operations, but also enables the operator to maintain a more ergonomic working posture. A suitable posture can reduce pressure on the neck, back, and arms, reduce operator fatigue and discomfort, improve work efficiency and comfort, and make it easier for the operator to control the peeling speed, reducing the probability of welding defects and thus further improving welding quality.

[0020] 2. The set disc and stop plate can limit the threaded rod, preventing it from rotating due to external factors and causing the tilt angle of the packaging stage to change during use. This not only reduces the number of times the packaging stage needs to be adjusted, eliminating the need for operators to adjust the tilt angle every time they start work, thus saving time and effort and improving production efficiency, but also provides a stable packaging stage angle that offers better visibility and access to components, thereby reducing placement errors and soldering problems and improving product quality.

[0021] 3. The automatic lighting adjustment mechanism can drive the lighting lamp to move synchronously during the tilt angle adjustment of the packaging stage, so that the lighting lamp can maintain illumination on the surface of the packaging stage. With good lighting, it is not only easier for operators to see the details, markings and pads of components, but also easier to check and evaluate the quality of components to determine whether they are intact. In addition, it can provide sufficient light for operators, reduce visual fatigue, and improve the accuracy and quality of operation. Attached Figure Description

[0022] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0023] Figure 1This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 For the present invention Figure 1 Enlarged structural diagram of region A in the middle;

[0025] Figure 3 This is a schematic diagram of the connection structure between the packaging stage and the workbench body of the present invention;

[0026] Figure 4 For the present invention Figure 3 Enlarged structural diagram of region B in the middle;

[0027] Figure 5 This is a schematic diagram of the packaging stage in an inclined state according to the present invention;

[0028] Figure 6 This is a schematic diagram of the connection structure of the automatic lighting adjustment mechanism of the present invention;

[0029] Figure 7 For the present invention Figure 6 A magnified structural diagram of region C in the middle.

[0030] In the diagram: 1. Workbench body; 2. Packaging stage;

[0031] 3. Angle adjustment mechanism; 301. Rotating shaft; 302. Support block; 303. Moving frame; 304. Threaded rod; 305. Knob; 306. Ring; 307. Connecting rod; 308. Slider; 309. Spring; 310. Disc; 311. Stop plate; 312. Support plate; 313. Moving block; 314. First rack plate; 315. Sector gear;

[0032] 4. Automatic lighting adjustment mechanism; 401. Side plate; 402. Lighting lamp; 403. Elastic telescopic plate; 404. Central column; 405. Through slot; 406. Linkage block; 407. Connecting shaft; 408. Transmission gear; 409. Second rack plate;

[0033] 5. Slide groove. Detailed Implementation

[0034] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] This embodiment describes a multi-angle packaging workbench based on SMT operations, such as... Figure 1 - Figure 7As shown, the device includes a workbench body 1, a packaging platform 2 is provided above the workbench body 1, and symmetrical sliding grooves 5 are provided on the side wall of the workbench body 1. An angle adjustment mechanism 3 is provided between the workbench body 1 and the packaging platform 2. The angle adjustment mechanism 3 includes a moving frame 303, which is slidably connected to the upper end face of the workbench body 1. The angle adjustment mechanism 3 is used to adjust the tilt angle of the packaging platform 2.

[0036] In this embodiment, as Figure 4 As shown, a first rack plate 314 is symmetrically and fixedly connected to the upper end face of the movable frame 303. A sector gear 315 is meshed and connected above the first rack plate 314. A rotating shaft 301 is fixedly connected between the sector gears 315. The rotating shaft 301 is fixedly connected to the encapsulation stage 2. A support block 302 is symmetrically and rotatably connected to the outer surface of the rotating shaft 301. The support blocks 302 are all fixedly connected to the upper end face of the workbench body 1. When the movable frame 303 moves on the upper end face of the workbench body 1, it can drive the first rack plate 314 to move synchronously. Through the meshing connection between the first rack plate 314 and the sector gears 315, the rotating shaft 301 connected between the sector gears 315 is driven to rotate between the support blocks 302. This drives the encapsulation stage 2 connected to the outer surface of the rotating shaft 301 to rotate around the rotating shaft 301 as the center, thereby adjusting the tilt angle between the encapsulation stage 2 and the workbench body 1.

[0037] In this embodiment, as Figure 2 As shown, a threaded rod 304 is threadedly connected to the center of the movable frame 303. One end of the threaded rod 304 near the slide groove 5 is rotatably connected to the worktable body 1. A knob 305 is horizontally slidably connected to one end of the threaded rod 304 through the worktable body 1. When the operator presses the knob 305, it will move horizontally on the outer surface of the threaded rod 304. When the operator rotates the knob 305, it will drive the threaded rod 304 to rotate synchronously on the worktable body 1. At this time, through the threaded connection between the threaded rod 304 and the movable frame 303, the movable frame 303 can be driven to slide horizontally on the upper surface of the worktable body 1.

[0038] In this embodiment, as Figure 2 As shown, a disc 310 is fixedly connected to the outer surface of the threaded rod 304 near the knob 305. A stop plate 311 is symmetrically attached to the outer surface of the disc 310. A slider 308 is fixedly connected to the side of the stop plate 311 away from the disc 310. The sliders 308 are slidably connected in the groove 5. When the sliders 308 slide in the groove 5 and drive the stop plate 311 to adhere to the outer surface of the disc 310, the disc 310 can be fixed, preventing the disc 310 from rotating due to external factors.

[0039] In this embodiment, as Figure 2As shown, each slider 308 is fixedly connected to a spring 309 at the end away from the disc 310. The spring 309 is fixedly connected to the inner wall of the slide groove 5. Each slider 308 is rotatably connected to a connecting rod 307 at the side away from the worktable body 1. A ring 306 is rotatably connected between the ends of the connecting rods 307 away from the slider 308. The ring 306 is rotatably connected to the outer surface of the knob 305. When the operator presses the knob 305 to move the ring 306 horizontally, the connecting rods 307 can push the slider 308 to slide in the slide groove 5 and compress the spring 309. When the operator releases the knob 305, the spring 309's rebound force can push the slider 308 to slide back to the initial position in the slide groove 5.

[0040] In this embodiment, as Figure 3 As shown, support plates 312 are rotatably connected to both sides of the encapsulation platform 2. A moving block 313 is rotatably connected to the end of the support plate 312 away from the encapsulation platform 2. The moving block 313 is slidably connected to the upper surface of the workbench body 1. During the tilting process of the encapsulation platform 2, the support plate 312 can be pulled from a near-horizontal state to an inclined state, causing the moving block 313 to slide synchronously on the upper surface of the workbench body 1. Thus, the support plate 312 supports the encapsulation platform 2 when it is tilted, increasing the stability of the encapsulation platform 2 during the tilting process.

[0041] In existing technologies, SMT workbenches are typically used for planar operations, and the tilt angle cannot be adjusted. Operators not only have to work with their heads down for extended periods, leading to neck and eye fatigue, but poor viewing angles also reduce work efficiency and quality, increasing the risk of errors. Furthermore, planar operation restricts operator posture, making it difficult to maintain a comfortable and healthy working posture. Prolonged periods in unsuitable postures can cause discomfort and fatigue, increasing the risk of workplace injuries. Additionally, a proper tilt angle helps in the separation of solder joints from solder waves. During the soldering process, if the separation speed of the solder joints from the solder waves is... If the process is too slow, welding defects may occur. Compared with existing technologies, the tilt angle of the packaging stage 2 on the upper surface of the workbench body 1 can be adjusted according to the operator's needs. This not only provides a better viewing angle, allowing the operator to see the work area and components more clearly and reducing the risk of errors and erroneous operations, but also allows the operator to maintain a more ergonomic working posture. A suitable posture can reduce pressure on the neck, back and arms, reduce operator fatigue and discomfort, improve work efficiency and comfort, and make it easier for the operator to control the peeling speed, reducing the probability of welding defects and thus further improving welding quality.

[0042] Secondly, the disc 310 and stop plate 311 can limit the threaded rod 304, preventing it from rotating due to external factors and causing the tilt angle of the packaging stage 2 to change during use. This not only reduces the number of times the packaging stage 2 needs to be adjusted, eliminating the need for operators to adjust the tilt angle every time they start work, thus saving time and effort and improving production efficiency, but also provides a stable angle for the packaging stage 2, offering better visibility and access to components, thereby reducing mounting errors and soldering problems and improving product quality.

[0043] At other levels, this embodiment also provides an automatic lighting adjustment mechanism 4 for maintaining illumination on the surface of the packaging stage 2, such as... Figure 1 , Figure 6 and Figure 7 As shown, the automatic lighting adjustment mechanism 4 includes symmetrically arranged side plates 401. The side plates 401 are all fixedly connected to the upper end face of the workbench body 1. Each side plate 401 has a through groove 405. A linkage block 406 is slidably connected in the through groove 405. A connecting shaft 407 is rotatably connected through the linkage block 406. A lighting lamp 402 is fixedly connected to the side of the connecting shaft 407 near the packaging platform 2.

[0044] In this embodiment, as Figure 6 and Figure 7 As shown, transmission gears 408 are fixedly connected to the outer surface of the connecting shaft 407 on the side away from the lighting lamp 402. The lower ends of the transmission gears 408 are meshed with second rack plates 409, which are fixedly connected to the side plates 401. Elastic telescopic plates 403 are rotatably connected to the end of the connecting shaft 407 away from the lighting lamp 402. The end of the elastic telescopic plates 403 away from the connecting shaft 407 is rotatably connected to the upper surface of the movable frame 303. The elastic telescopic plates 403 are located near the side plates 401. A central column 404 is fixedly connected to the center of each side. The central column 404 is rotatably connected to the side wall of the side plate 401. When the moving frame 303 moves, it can push the elastic telescopic plate 403 to drive the central column 404 to rotate on the side plate 401 and move the connecting shaft 407. Through the meshing connection of the transmission gear 408 and the second rack plate 409, the transmission gear 408 is driven to roll on the upper end face of the second rack plate 409, thereby driving the connecting shaft 407 to rotate synchronously on the linkage block 406.

[0045] In existing technologies, the illumination angle of the lighting equipment on the workbench cannot be changed during the adjustment of the workbench's tilt angle. When the tilt angle of the workbench changes, if the angle of the lighting equipment remains unchanged, the range and intensity of light illuminating the workbench surface will change. This not only leads to excessively strong lighting in some work areas and insufficient lighting in others, thus reducing the uniformity of lighting, but also causes discomfort to the operator's eyes due to uneven lighting or direct light. Working in such an environment for a long time can cause visual fatigue and even affect vision health. Furthermore, due to insufficient or uneven lighting, operators have difficulty clearly seeing details on the workbench. In poor lighting conditions, operators cannot accurately identify components or markings on the workbench, increasing the risk of operational errors. Compared with existing technologies, this new technology can move the lighting lamp 402 synchronously during the adjustment of the tilt angle of the packaging stage 2, ensuring that the lighting lamp 402 maintains illumination on the surface of the packaging stage 2. With good lighting, operators can not only see the details, markings, and pads of components more easily, making it easier to inspect and evaluate the quality of components to determine their integrity, but also provide sufficient light to reduce visual fatigue and improve operational accuracy and quality.

[0046] The overall working process and principles involved in the above embodiments are as follows:

[0047] When the operator uses the packaging table 2, they first push the knob 305 to slide towards the worktable body 1 on the outer surface of the threaded rod 304. This causes the ring 306, which is rotatably connected to the outer surface of the knob 305, to move synchronously. During the horizontal movement of the ring 306, the connecting rod 307 can be driven to move from an inclined position to a horizontal position. As the state of the connecting rod 307 changes, the slider 308, which is rotatably connected to the other end of the connecting rod 307, can be pushed to slide in the groove 5. This compresses the spring 309 connected between the slider 308 and the groove 5, and causes the stop plate 311 connected to the slider 308 to separate from the ring 306. After the stop plate 311 and the ring 306 separate, the operator keeps pressing the knob 305 and then rotates the knob 305, causing the threaded rod 304 to rotate on the worktable body 1. Through the threaded connection between the threaded rod 304 and the moving frame 303, the moving frame 303 can be driven to move towards the packaging position on the worktable body 1. The platform 2 slides in the direction of movement. As the moving frame 303 moves, it can drive the first rack plate 314 connected to the upper end face of the moving frame 303 to move synchronously. The first rack plate 314 and the sector gear 315 mesh and connect, driving the rotating shaft 301 connected between the sector gears 315 to rotate on the two support blocks 302. This drives the packaging platform 2 connected to the outer surface of the rotating shaft 301 to rotate synchronously, thereby adjusting the tilt angle between the packaging platform 2 and the workbench body 1. This not only provides a better viewing angle, making it easier for operators to see the work area and components more clearly and reducing the risk of errors and incorrect operations, but also allows operators to maintain a more ergonomic working posture. A suitable posture can reduce pressure on the neck, back and arms, reduce operator fatigue and discomfort, improve work efficiency and comfort, and make it easier for operators to control the peeling speed, reducing the probability of welding defects and thus further improving welding quality.

[0048] When the packaging stage 2 rotates around the pivot 301, it can pull one end of the support plate 312 connected to both sides to move synchronously, so that the support plate 312 moves from a near horizontal position to a vertical position, and drives the moving block 313 connected to the other end of the support plate 312 to slide on the upper surface of the workbench body 1. As the state of the support plate 312 changes, it can support the packaging stage 2 when it is tilted and stabilize the packaging stage 2 when it is tilted.

[0049] Once the operator has adjusted the tilt angle of the packaging stage 2, the knob 305 can be released. At this time, the rebound force of the spring 309 will push the slider 308 to slide in the groove 5 again in the opposite direction, causing the stop plate 311 connected to the slider 308 to come into contact with the outer surface of the disc 310, thus fixing the disc 310. This limits the threaded rod 304 and prevents the threaded rod 304 from rotating due to external factors, which would cause the tilt angle of the packaging stage 2 to change during use. This not only reduces the number of times the packaging stage 2 needs to be adjusted, eliminating the need for operators to adjust the tilt angle every time they start work, thus saving time and effort and improving production efficiency, but also provides a stable packaging stage 2 angle that offers better visibility and access to components, thereby reducing mounting errors and soldering problems and improving product quality.

[0050] During the horizontal movement of the movable frame 303, which causes the packaging stage 2 to tilt, the lower end of the elastic telescopic plate 403 moves horizontally synchronously. This causes the central column 404 connected to the center of the elastic telescopic plate 403 to rotate synchronously on the side wall of the side plate 401, and the elastic telescopic plate 403 rotates synchronously around the central column 404. As the elastic telescopic plate 403 moves, the connecting shaft 407 drives the linkage block 406 to slide within the through groove 405 on the side plate 401. When the linkage block 406 slides within the through groove 405, it drives the transmission gear 408 connected to the outer surface of the connecting shaft 407 to move synchronously. The gear 408 meshes with the second rack plate 409, allowing the transmission gear 408 to roll on the upper surface of the second rack plate 409. This causes the connecting shaft 407 to rotate on the linkage block 406, which in turn causes the lighting lamp 402 connected to the end of the connecting shaft 407 away from the transmission gear 408 to tilt synchronously. This allows the lighting lamp 402 to maintain illumination on the surface of the packaging stage 2. Good lighting not only makes it easier for operators to see the details, markings, and pads of components, making it easier to inspect and evaluate the quality of components to determine if they are intact, but also provides sufficient light for operators, reducing visual fatigue and improving operational accuracy and quality.

[0051] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A multi-angle packaging workbench based on SMT operations, comprising a workbench body (1), wherein a packaging stage (2) is disposed above the workbench body (1), characterized in that, The workbench body (1) has symmetrically provided sliding grooves (5) on its side wall; An angle adjustment mechanism (3) is provided between the workbench body (1) and the packaging stage (2). The angle adjustment mechanism (3) includes a movable frame (303), which is slidably connected to the upper surface of the workbench body (1). The angle adjustment mechanism (3) is used to adjust the tilt angle of the packaging stage (2). An automatic lighting adjustment mechanism (4) is provided between the angle adjustment mechanism (3) and the worktable body (1). The automatic lighting adjustment mechanism (4) is used to maintain the illumination of the surface of the packaging stage (2). Both sides of the packaging platform (2) are rotatably connected to support plates (312). A moving block (313) is rotatably connected to one end of the support plate (312) away from the packaging platform (2). The moving block (313) is slidably connected to the upper surface of the workbench body (1). The automatic lighting adjustment mechanism (4) includes symmetrically arranged side plates (401). The side plates (401) are all fixedly connected to the upper end face of the workbench body (1). The side plates (401) are all provided with through slots (405). The through slots (405) are all slidably connected with linkage blocks (406). The linkage blocks (406) are all rotatably connected with connecting shafts (407). The connecting shafts (407) are all fixedly connected with lighting lamps (402) on the side near the packaging platform (2). A transmission gear (408) is fixedly connected to the outer surface of the connecting shaft (407) away from the lighting lamp (402). The lower end of the transmission gear (408) is meshed with a second rack plate (409). The second rack plate (409) is fixedly connected to the side plate (401). An elastic telescopic plate (403) is rotatably connected to the end of the connecting shaft (407) away from the lighting lamp (402). The end of the elastic telescopic plate (403) away from the connecting shaft (407) is rotatably connected to the upper surface of the moving frame (303). A central column (404) is fixedly connected to the center of the side plate (401) of the elastic telescopic plate (403). The central column (404) is rotatably connected to the side wall of the side plate (401).

2. The multi-angle packaging workbench based on SMT operations according to claim 1, characterized in that, The upper end face of the movable frame (303) is symmetrically and fixedly connected to a first rack plate (314). A sector gear (315) is meshed and connected above the first rack plate (314). A rotating shaft (301) is fixedly connected between the sector gears (315). The rotating shaft (301) is fixedly connected through the packaging platform (2). A support block (302) is symmetrically and rotatably connected to the outer surface of the rotating shaft (301). The support blocks (302) are all fixedly connected to the upper end face of the workbench body (1).

3. A multi-angle packaging workbench based on SMT operations according to claim 2, characterized in that, The center of the movable frame (303) is threaded with a threaded rod (304). The end of the threaded rod (304) near the slide groove (5) is rotatably connected to the workbench body (1). The end of the threaded rod (304) that passes through the workbench body (1) is horizontally slidably connected to a knob (305).

4. A multi-angle packaging workbench based on SMT operations according to claim 3, characterized in that, A disc (310) is fixedly connected to the outer surface of the threaded rod (304) near the knob (305). A stop plate (311) is symmetrically attached to the outer surface of the disc (310). A slider (308) is fixedly connected to the side of the stop plate (311) away from the disc (310). The sliders (308) are slidably connected in the groove (5).

5. A multi-angle packaging workbench based on SMT operations according to claim 4, characterized in that, Each slider (308) is fixedly connected to a spring (309) at the end away from the disc (310). The spring (309) is fixedly connected to the inner wall of the slide groove (5). Each slider (308) is rotatably connected to a connecting rod (307) at the side away from the worktable body (1). A ring (306) is rotatably connected between the ends of the connecting rod (307) away from the slider (308). The ring (306) is rotatably connected to the outer surface of the knob (305).

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