Workpiece positioning device of vertical screen printing machine

Abstract

The utility model provides a vertical screen printing machine workpiece positioning device which comprises a displacement block and a base, the top of the displacement block is fixedly connected with a positioning box, one side of the positioning box is fixedly connected with a first motor, one end of the first motor is fixedly connected with a first bidirectional lead screw, and the other end of the first bidirectional lead screw is fixedly connected with a second bidirectional lead screw. The workpiece positioning device comprises a positioning box, a first bidirectional lead screw is arranged in the positioning box, the outer surface of the first bidirectional lead screw penetrates through the positioning box and extends to the outside of the positioning box, the inner wall of the positioning box is fixedly connected with a round rod, and the outer surface of the round rod is connected with a moving block in a sliding mode. And the semi-circular groove of the push block is contacted with the round rod to finish initial positioning. And the first motor is started to drive the clamping plate to move for clamping. When the clamping plate is in contact with the extrusion plate, the extension rod pushes the round block to compress and extrude the spring to play a buffering role. And the extrusion plate extrudes the semicircular rubber mat, so that liquid in the liquid tank flows into the sealed liquid lifting box due to pressure increase.

Description

TECHNICAL FIELD

[0001] The utility model relates to vertical silk screen printing machine positioning technical field especially relates to a vertical silk screen printing machine workpiece positioning device. BACKGROUND

[0002] Vertical silk screen printing machine workpiece positioning refers to the operation that in the silk screen printing process, through specific method and device, the workpiece to be printed is accurately fixed on the printing platform, so that the printing pattern can be accurately printed on the predetermined position of the workpiece.

[0003] In the traditional vertical silk screen printing machine workpiece positioning process, there is a great difficulty in clamping force control. When the clamping force is not accurately adjusted, two adverse situations are prone to occur. On the one hand, for the workpiece with soft texture or surface easy to damage, if the clamping force is too large, there is a high probability of leaving indentation on the surface of the workpiece, and in severe cases, it may even cause the workpiece to deform or damage. On the other hand, if the clamping force is too small, the workpiece may displace during the printing process due to poor fixation, thereby affecting the printing effect, reducing the production efficiency, and making it difficult to ensure the product qualification rate.

[0004] Therefore, it is necessary to provide a vertical silk screen printing machine workpiece positioning device to solve the above technical problems. SUMMARY

[0005] The utility model provides a vertical silk screen printing machine workpiece positioning device, solves the problem that the workpiece is easily damaged or displaced during clamping, affecting printing.

[0006] The utility model provides a vertical silk screen printing machine workpiece positioning device, including: displacement block, base, the top fixed connection of displacement block has the positioning box, positioning box one side fixedly connected with first motor, one end of first motor fixedly connected with first two -way screw rod, the outer surface of first two -way screw rod is penetrated in positioning box and extends to the outside of positioning box, the inner wall fixed connection of positioning box has round bar, the outer surface sliding connection of round bar has moving block, the inside screw joint of moving block with the outer surface of first two -way screw rod, the top fixed connection of moving block has clamping plate, the front of positioning box is equipped with the sliding slot, the top of displacement block is equipped with long slot, the inside sliding connection of long slot has moving plate, the inside screw joint of moving plate has second two -way screw rod, the outer surface movable joint of second two -way screw rod with displacement block's inside, the outer surface of second two -way screw rod is penetrated in displacement block and extends to the outside of displacement block, one end of second two -way screw rod fixedly connected with the twist block, the other end of second two -way screw rod fixedly connected with the limit block, the top fixed connection of moving plate has electric push rod, the outer surface of electric push rod is penetrated in sliding slot and extends to the inside of sliding slot, one end of electric push rod fixedly connected with push block, the one side of push block is equipped with deep hole, the inside of deep hole is provided with extrusion spring, the inside sliding connection of deep hole has round block, the other side fixed connection of round block has stretch rod, the outside screw joint of stretch rod has circular ring block and extends to the outside of circular ring block, the other end fixed connection of stretch rod has extrusion plate, the inside of push block is equipped with liquid tank, the inner wall of liquid tank is equipped with the gushing hole, the one side of push block is provided with semicircle rubber pad, the other side fixed connection of push block has infusion tube, the outside of infusion tube is inserted with hose, the top fixed connection of moving plate has liquid lifting box, the back of liquid lifting box is fixedly connected with flow liquid pipe, the front of liquid lifting box is provided with visible window, the front of liquid lifting box is provided with pressure scale ruler, the other end of push block is equipped with semicircle groove, the top of liquid lifting box is provided with pressure sensor.

[0007] Preferably, the bottom of the displacement block is slidably connected with the inside of the base, the front of the base is fixedly connected with a second motor, one end of the second motor is fixedly connected with a threaded screw rod, the outer surface of the threaded screw rod penetrates through the base and extends to the outside of the base, the outer surface of the threaded screw rod is threadedly connected with the inside of the displacement block, the inner wall of the base is fixedly connected with a vertical rod, the outer surface of the vertical rod is slidably connected with the inside of the displacement block, the inside of the base is slidably connected with a vertical rod, the outer surface of the vertical rod penetrates through the base and extends to the outside of the base, the outside of the vertical rod is provided with a compression spring, one end of the vertical rod is fixedly connected with an extrusion rubber plate, the other end of the vertical rod is fixedly connected with a limit block.

[0008] Preferably, a handle groove is provided on one side of the base, and a rotating hole is provided on the inner wall of the handle groove. A rotating shaft is movably connected inside the rotating hole, and the outer surface of the rotating shaft passes through the rotating hole and extends to the outside of the rotating hole. A handle is fixedly connected to the other end of the rotating shaft.

[0009] Preferably, a bracket is fixedly connected to one side of the base, and a control panel is fixedly connected to the top of the bracket.

[0010] Preferably, the base is externally fixedly connected to a mounting block, the mounting block is internally threaded with a bolt, and the outer surface of the bolt penetrates the mounting block and extends to the outside of the mounting block.

[0011] Preferably, the bottom of the base is provided with a rubber pad, and a hexagonal screw is provided inside the rubber pad. The outer surface of the hexagonal screw penetrates through the rubber pad and extends to the outside of the rubber pad. One end of the hexagonal screw is threadedly connected to the bottom of the base.

[0012] Compared with related technologies, the vertical screen printing machine workpiece positioning device provided by this utility model has the following advantages:

[0013] Beneficial effects:

[0014] This invention provides a vertical screen printing machine workpiece positioning device. The position of the moving plate is adjusted by rotating the rotary block, causing the semi-circular groove of the push block to contact the circular rod for initial positioning. The first motor is started, driving the clamping plate to move and clamp the workpiece. When the clamping plate contacts the extrusion plate, the extension rod pushes the circular block to compress the extrusion spring, providing a buffering effect. The extrusion plate presses against the semi-circular rubber pad, causing the liquid in the liquid tank to flow into the sealed liquid lifting tank due to increased pressure. Personnel can observe the liquid level changes through a viewing window. When the pressure in the liquid lifting tank reaches the set value, the pressure sensor sends a signal to the control mechanism, stopping the clamping plate from moving. This avoids the problems of excessive clamping force damaging the workpiece and insufficient clamping force causing loose clamping, common in traditional operations. Furthermore, a pressure scale allows personnel to visually observe the clamping status through the viewing window when the pressure sensor malfunctions, ensuring the accuracy and reliability of the entire positioning and clamping process. Attached Figure Description

[0015] Figure 1 A schematic diagram of a preferred embodiment of the vertical screen printing machine workpiece positioning device provided by this utility model;

[0016] Figure 2 for Figure 1 The enlarged schematic diagram of part A shown below;

[0017] Figure 3 for Figure 1 The diagram shows the internal structure.

[0018] Figure 4 for Figure 3 The enlarged schematic diagram of section B is shown below;

[0019] Figure 5 for Figure 3 the C part enlarged schematic view shown in;

[0020] Figure 6 for Figure 1 the side sectional view schematic view shown in;

[0021] Figure 7 for Figure 6 the D part enlarged schematic view shown in;

[0022] Figure 8 for Figure 1 the front sectional view schematic view shown in.

[0023] Figure label: 1, displacement block, 2, base, 3, positioning box, 4, first motor, 5, first bidirectional screw rod, 6, round rod, 7, moving block, 8, clamping plate, 9, sliding groove, 10, long slot, 11, moving plate, 12, second bidirectional screw rod, 13, rotating block, 14, limiting block, 15, electric push rod, 16, push block, 17, deep hole, 18, extrusion spring, 19, round block, 20, extension rod, 21, circular ring block, 22, extrusion plate, 23, liquid tank, 24, flow hole, 25, semicircular rubber pad, 26, infusion tube, 27, hose, 28, liquid lifting box, 29, liquid flow pipe, 30, visible window, 31, pressure scale ruler, 32, semicircular groove, 33, pressure sensor, 34, second motor, 35, threaded screw rod, 36, vertical rod, 37, vertical rod, 38, compression spring, 39, extrusion rubber plate, 40, limiting block, 41, handle groove, 42, rotating hole, 43, rotating shaft, 44, handle, 45, support, 46, control panel, 47, mounting block, 48, bolt, 49, rubber pad, 50, hexagonal screw. DETAILED DESCRIPTION

[0024] The utility model will be further described below in combination with the drawings and embodiments.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 And Figure 8 Among them, Figure 1 It is the structure schematic view of a preferred embodiment of the workpiece positioning device of the vertical screen printing machine provided by the utility model; Figure 2 It is the A part enlarged schematic view shown in Figure 1 It is the internal structure schematic view shown in Figure 3 It is the internal structure schematic view shown in Figure 1 It is the internal structure schematic view shown in

[0026] Figure 4 is an enlarged schematic view of portion B shown in FIG. 1; Figure 3 is an enlarged schematic view of portion C shown in FIG. 1; Figure 5 is an enlarged schematic view of portion D shown in FIG. 1; Figure 3 is an enlarged schematic view of portion E shown in FIG. 1; Figure 6 is an enlarged schematic view of portion F shown in FIG. 1; Figure 1 is an enlarged schematic view of portion G shown in FIG. 1; Figure 7 is an enlarged schematic view of portion H shown in FIG. 1; Figure 6 is an enlarged schematic view of portion I shown in FIG. 1; Figure 8 is an enlarged schematic view of portion J shown in FIG. 1; Figure 1The front view shows the schematic diagram. The vertical screen printing machine workpiece positioning device comprises a displacement block 1, a base 2, the top of the displacement block 1 is fixedly connected with a positioning box 3, one side of the positioning box 3 is fixedly connected with a first motor 4, one end of the first motor 4 is fixedly connected with a first bidirectional screw rod 5, the outer surface of the first bidirectional screw rod 5 penetrates the positioning box 3 and extends to the outside of the positioning box 3, the inner wall of the positioning box 3 is fixedly connected with a round rod 6, the outer surface of the round rod 6 is slidably connected with a moving block 7, the inside of the moving block 7 is threadedly connected with the outer surface of the first bidirectional screw rod 5, the top of the moving block 7 is fixedly connected with a clamping plate 8, the front of the positioning box 3 is provided with a sliding groove 9, the top of the displacement block 1 is provided with a long slot 10, the inside of the long slot 10 is slidably connected with a moving plate 11, the inside of the moving plate 11 is threadedly connected with a second bidirectional screw rod 12, the outer surface of the second bidirectional screw rod 12 is movably connected with the inside of the displacement block 1, the outer surface of the second bidirectional screw rod 12 penetrates the displacement block 1 and extends to the outside of the displacement block 1, one end of the second bidirectional screw rod 12 is fixedly connected with a rotating block 13, the other end of the second bidirectional screw rod 12 is fixedly connected with a limiting block 14, the top of the moving plate 11 is fixedly connected with an electric push rod 15, the outer surface of the electric push rod 15 penetrates the sliding groove 9 and extends to the inside of the sliding groove 9, one end of the electric push rod 15 is fixedly connected with a push block 16, one side of the push block 16 is provided with a deep hole 17, the inside of the deep hole 17 is provided with an extrusion spring 18, the inside of the deep hole 17 is slidably connected with a round block 19, the other side of the round block 19 is fixedly connected with a stretching rod 20, the other end of the deep hole 17 is threadedly connected with a circular ring block 21, the outer surface of the stretching rod 20 penetrates the circular ring block 21 and extends to the outside of the circular ring block 21, the other end of the stretching rod 20 is fixedly connected with an extrusion plate 22, the inside of the push block 16 is provided with a liquid tank 23, the inner wall of the liquid tank 23 is provided with a flushing hole 24, one side of the push block 16 is provided with a semicircular rubber pad 25, the other side of the push block 16 is fixedly connected with a liquid delivery pipe 26, the outside of the liquid delivery pipe 26 is inserted with a hose 27, the top of the moving plate 11 is fixedly connected with a liquid lifting box 28, the back of the liquid lifting box 28 is fixedly connected with a liquid flow pipe 29, the front of the liquid lifting box 28 is provided with a visual window 30, the front of the liquid lifting box 28 is provided with a pressure scale 31, the other end of the push block 16 is provided with a semicircular groove 32, the top of the liquid lifting box 28 is provided with a pressure sensor 33.

[0027] The displacement block 1 slides on the base 2, providing basic movement for positioning. The positioning box 3 is used to install the positioning components. The first motor 4 drives the first bidirectional lead screw 5 to rotate, causing the moving block 7 to move the clamping plate 8 on the round rod 6 to clamp the workpiece. The rotating screw block 13 can adjust the position of the moving plate 11 in the long groove 10 through the second bidirectional lead screw 12. The electric push rod 15 pushes the push block 16. The semi-circular groove 32 on the push block 16 is used for positioning. It has a rubber sheet inside to increase the friction with the round rod 6. The compression spring 18, the round block 19, the extension rod 20 and the compression plate 22 constitute a buffer structure. The compression plate 22 compresses the semi-circular rubber pad 25 so that the liquid in the liquid tank 23 flows into the liquid lifting tank 28 through the infusion pipe 26 and the hose 27. The pressure sensor 33 monitors the pressure in the liquid lifting tank 28 and provides feedback control. The viewing window 30 and the pressure scale 31 are used to observe the pressure.

[0028] The bottom of the displacement block 1 is slidably connected to the inside of the base 2. A second motor 34 is fixedly connected to the front of the base 2. A threaded screw 35 is fixedly connected to one end of the second motor 34. The outer surface of the threaded screw 35 penetrates the base 2 and extends to the outside of the base 2. The outer surface of the threaded screw 35 is threadedly connected to the inside of the displacement block 1. A vertical rod 36 is fixedly connected to the inner wall of the base 2. The outer surface of the vertical rod 36 is slidably connected to the inside of the displacement block 1. A vertical rod 37 is slidably connected to the inside of the base 2. The outer surface of the vertical rod 37 penetrates the base 2 and extends to the outside of the base 2. A compression spring 38 is provided on the outside of the vertical rod 37. A compression rubber plate 39 is fixedly connected to one end of the vertical rod 37. A limit block 40 is fixedly connected to the other end of the vertical rod 37.

[0029] The base 2 provides overall support, and the bottom of the displacement block 1 is slidably connected to the inside of the base 2, allowing it to move flexibly within the base 2. A second motor 34 on the front of the base 2 drives a threaded screw 35 to rotate. Since the threaded screw 35 is threadedly connected to the inside of the displacement block 1, it causes the displacement block 1 to slide along the vertical rod 36. The vertical rod 36 guides and stabilizes the movement of the displacement block 1. The vertical rod 37 inside the base 2 is slidable, and its external compression spring 38 provides cushioning. When the displacement block 1 moves and contacts one side of the base 2, the compression plate 39 at one end of the vertical rod 37 first contacts the displacement block 1, compressing the compression spring 38 and providing cushioning for the displacement block 1, preventing a rigid collision between the displacement block 1 and the base 2 and reducing vibration. The limiting block 40 at the other end of the vertical rod 37 prevents it from sliding excessively and detaching from the base 2, ensuring the stability of the device structure.

[0030] The base 2 has a handle groove 41 on one side, and a rotating hole 42 is provided on the inner wall of the handle groove 41. A rotating shaft 43 is movably connected inside the rotating hole 42. The outer surface of the rotating shaft 43 passes through the rotating hole 42 and extends to the outside of the rotating hole 42. A handle 44 is fixedly connected to the other end of the rotating shaft 43.

[0031] The handle slot 41 opened on one side of the base 2 provides a storage and mounting space for the handle 44. The rotating hole 42 on the inner wall of the handle slot 41 is used to mount the rotating shaft 43, so that the rotating shaft 43 can rotate flexibly therein. The rotating shaft 43 penetrates the rotating hole 42 and extends to the outside, and the other end thereof is fixedly connected with the handle 44. The handle 44 can rotate around the rotating shaft 43, and when not in use, the handle 44 can be stored in the handle slot 41, reducing space occupation; when the device needs to be moved or carried, the handle 44 can be rotated out of the handle slot 41, facilitating the operator to hold the handle 44 to move the device, improving the portability and operability of the device.

[0032] The base 2 is fixedly connected with a support 45 on one side, and the top of the support 45 is fixedly connected with a control panel 46.

[0033] The control panel 46 is supported by the support 45 on one side of the base 2 and is in a proper position. The control panel 46 is used to operate and control the functions of the device, improving the operation convenience and work efficiency.

[0034] The base 2 is fixedly connected with a mounting block 47 on the outside, and the mounting block 47 is internally threadedly connected with a bolt 48. The outer surface of the bolt 48 penetrates the mounting block 47 and extends to the outside of the mounting block 47.

[0035] The bolt 48 is threadedly connected to the mounting block 47 on the outside of the base 2, and the base 2 can be fixed to other objects by the bolt 48.

[0036] The base 2 is provided with a rubber pad 49 at the bottom, and the rubber pad 49 is internally provided with a hexagonal screw 50. The outer surface of the hexagonal screw 50 penetrates the rubber pad 49 and extends to the outside of the rubber pad 49, and one end of the hexagonal screw 50 is threadedly connected with the bottom of the base 2.

[0037] The rubber pad 49 at the bottom of the base 2 can play a role in shock absorption, anti-skid and buffering. The hexagonal screw 50 penetrates the rubber pad 49 and is threadedly connected with the bottom of the base 2, so that the rubber pad 49 can be stably mounted at the bottom of the base 2, ensuring normal function.

[0038] The working principle of the workpiece positioning device of the vertical screen printing machine is as follows: firstly, when the workpiece positioning operation is performed, an operator rotates the rotating and twisting block 13, since the rotating and twisting block 13 is fixedly connected with the second bidirectional screw rod 12, rotating the rotating and twisting block 13 drives the second bidirectional screw rod 12 to rotate. The moving plate 11 is internally threadedly connected with the second bidirectional screw rod 12, and the moving plate 11 slides in the long groove 10, so that the rotation of the second bidirectional screw rod 12 drives the moving plate 11 to move in the long groove 10, so that the appropriate position is adjusted, the semicircular groove 32 on the one end push block 16 of the electric push rod 15 is in contact with the circular rod 6, and the preliminary positioning is completed. Then, the first motor 4 is started, and the first motor 4 drives the first bidirectional screw rod 5 fixedly connected therewith to rotate. The moving block 7 is internally threadedly connected with the first bidirectional screw rod 5, and simultaneously slides on the outer surface of the circular rod 6, the rotation of the first bidirectional screw rod 5 drives the moving block 7 to move along the circular rod 6, and further drives the clamping plate 8 fixedly connected at the top to move to clamp the workpiece. When the clamping plate 8 contacts the extrusion plate 22, the extrusion force is generated, the extrusion force drives the extension rod 20, the circular block 19 slides in the deep hole 17 and compresses the extrusion spring 18, and the buffering protection effect is achieved. At the same time, the extrusion plate 22 extrudes the semicircular rubber pad 25 on the other side, so that the originally protruding position of the semicircular rubber pad 25 is recessed, the space in the liquid tank 23 is reduced, the pressure is increased, the internal liquid flows into the liquid lifting box 28 through the liquid delivery pipe 26 and the hose 27. Finally, as the liquid continuously flows in, the pressure in the liquid lifting box 28 gradually increases. When the pressure reaches the set value, the pressure sensor 33 at the top feeds back the signal to the control mechanism, the control mechanism stops the first motor 4 from working, and the clamping plate 8 stops moving, the accurate clamping is completed, and the problems that the workpiece is damaged due to the excessive clamping force or the clamping is not tight due to the small clamping force are avoided. Moreover, if the pressure sensor 33 is damaged, the operator can observe the pressure scale ruler 31 through the visual window 30 to judge the pressure condition in the liquid lifting box 28, that is, the clamping state, and the stable positioning and clamping work is ensured.

[0039] Compared with the related art, the workpiece positioning device of the vertical screen printing machine has the following advantages

[0040] Beneficial effects:

[0041] The utility model provides a vertical silk screen printing machine workpiece positioning device, through the rotation of the twist block 13 adjustment moving plate 11 position, make the semicircle groove 32 of pusher 16 contact with round bar 6 complete primary positioning. Start first motor 4, drive clamping plate 8 to move and carry out clamping. When clamping plate 8 contact extrusion plate 22, extension rod 20 push round block 19 compression extrusion spring 18 and play the buffering effect. Extrusion plate 22 extrusion semicircle rubber pad 25, make the liquid in liquid tank 23 because pressure increase and flow into sealed liquid lifting tank 28, personnel can observe liquid level change through visual window 30. When the pressure in liquid lifting tank 28 reaches the set value, pressure sensor 33 feedback signal to control mechanism, make clamping plate 8 stop moving, avoided the problem that clamping force is too big and damages workpiece in traditional operation, clamping force is too small and is not tight in clamping. In addition, pressure scale ruler 31 can be observed clamping state through visual window 30 naked eye when pressure sensor 33 is damaged, has guaranteed the accurate and reliable of whole positioning and clamping process.

[0042] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. A workpiece positioning device for a vertical screen printer, comprising: Include: The displacement block, the base, the top of the displacement block is fixedly connected with the positioning box, one side of the positioning box is fixedly connected with the first motor, one end of the first motor is fixedly connected with the first bidirectional screw rod, the outer surface of the first bidirectional screw rod is through the positioning box and extends to the outside of the positioning box, the inner wall of the positioning box is fixedly connected with the round rod, the outer surface of the round rod is slidably connected with the moving block, the inside of the moving block is threadedly connected with the outer surface of the first bidirectional screw rod, the top of the moving block is fixedly connected with the clamping plate, the front of the positioning box is provided with a sliding groove, the top of the displacement block is provided with a long slot, the inside of the long slot is slidably connected with the moving plate, the inside of the moving plate is threadedly connected with the second bidirectional screw rod, the outer surface of the second bidirectional screw rod is movably connected with the inside of the displacement block, the outer surface of the second bidirectional screw rod is through the displacement block and extends to the outside of the displacement block, one end of the second bidirectional screw rod is fixedly connected with the rotating block, the other end of the second bidirectional screw rod is fixedly connected with the limiting block, the top of the moving plate is fixedly connected with the electric push rod, the outer surface of the electric push rod is through the sliding groove and extends to the inside of the sliding groove, one end of the electric push rod is fixedly connected with the push block, one side of the push block is provided with a deep hole, the inside of the deep hole is provided with an extrusion spring, the inside of the deep hole is slidably connected with the round block, the other side of the round block is fixedly connected with the extension rod, the other end of the deep hole is threadedly connected with the circular ring block, the outer surface of the extension rod is through the circular ring block and extends to the outside of the circular ring block, the other end of the extension rod is fixedly connected with the extrusion plate, the inside of the push block is provided with a liquid tank, the inner wall of the liquid tank is provided with a flow hole, one side of the push block is provided with a semicircular rubber pad, the other side of the push block is fixedly connected with the infusion tube, the outside of the infusion tube is inserted with the hose, the top of the moving plate is fixedly connected with the liquid lifting box, the back of the liquid lifting box is fixedly connected with the liquid pipe, the front of the liquid lifting box is provided with a visual window, the front of the liquid lifting box is provided with a pressure scale, the other end of the push block is provided with a semicircular groove, the top of the liquid lifting box is provided with a pressure sensor.

2. The vertical screen printer workpiece positioning apparatus of claim 1, wherein, The bottom of the displacement block is slidably connected with the inside of the base, the front of the base is fixedly connected with the second motor, one end of the second motor is fixedly connected with the threaded screw rod, the outer surface of the threaded screw rod is through the base and extends to the outside of the base, the outer surface of the threaded screw rod is threadedly connected with the inside of the displacement block, the inner wall of the base is fixedly connected with the vertical rod, the outer surface of the vertical rod is slidably connected with the inside of the displacement block, the inside of the base is slidably connected with the vertical rod, the outer surface of the vertical rod is through the base and extends to the outside of the base, the outside of the vertical rod is provided with a compression spring, one end of the vertical rod is fixedly connected with the extrusion rubber plate, the other end of the vertical rod is fixedly connected with the limiting block.

3. The vertical screen printer workpiece positioning apparatus of claim 1, wherein, One side of the base is provided with a groove, the inner wall of the groove is provided with a rotating hole, the inside of the rotating hole is movably connected with the rotating shaft, the outer surface of the rotating shaft is through the rotating hole and extends to the outside of the rotating hole, the other end of the rotating shaft is fixedly connected with the handle.

4. The vertical screen printer workpiece positioning apparatus of claim 1, wherein, One side of the base is fixedly connected with a support, and the top of the support is fixedly connected with a control panel.

5. The vertical screen printer workpiece positioning apparatus of claim 1 wherein, The outside of the base is fixedly connected with a mounting block, the inside of the mounting block is threadedly connected with a bolt, and the outer surface of the bolt penetrates through the mounting block and extends to the outside of the mounting block.

6. The vertical screen printer workpiece positioning apparatus of claim 1, wherein, The bottom of the base is provided with a rubber pad, the inside of the rubber pad is provided with a hexagonal screw, the outer surface of the hexagonal screw penetrates through the rubber pad and extends to the outside of the rubber pad, and one end of the hexagonal screw is threadedly connected with the bottom of the base.

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