Screen printing machine

Abstract

The utility model provides a screen printing machine. The screen printing machine comprises a bearing assembly, a silk screen, a supporting assembly, a sliding assembly and a locking assembly. The bearing assembly and the silk screen are oppositely arranged, the bearing assembly is used for bearing a to-be-machined workpiece, and the silk screen is used for machining the to-be-machined workpiece. The supporting assembly is connected with the bearing assembly, a sliding assembly is arranged on the supporting assembly in a sliding mode, and the sliding assembly is connected with the silk screen and used for driving the silk screen to move in the direction close to or away from the bearing assembly. The locking assembly is arranged on the sliding assembly and used for locking the sliding assembly to the supporting assembly. When the silk screen reaches the silk-screen printing position suitable for the workpiece, the locking assembly locks the sliding assembly to the supporting assembly so that the silk screen can conduct silk-screen printing on the workpiece conveniently. According to the screen printing machine, the sliding assembly can be locked to the supporting assembly through the locking assembly so as to fix the silk screen, the silk screen does not need to be fixed manually, operation is convenient, and the screen printing efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screen printers, and particularly relates to a screen printer. Background Art

[0002] The full name of a screen printer is "Screen Printer Machine". The screen printer makes a printing plate with patterns or characters from a screen. The patterns or characters on the printing plate are hollowed-out parts, and the mesh holes of the hollowed-out parts can pass through the ink, so as to transfer the ink to the workpiece to be processed. Since the thicknesses of workpieces are different, when processing workpieces with different thicknesses, it is necessary to adjust the height of the screen so that the screen can fit the surface of the workpiece, so that the ink can be better transferred to the workpiece.

[0003] In the related art, after the height adjustment structure of the screen printer completes the height adjustment, the user needs to fix the screen with one hand and scrape the ink on the screen with a squeegee with the other hand, and the operation is cumbersome, thus reducing the screen printing efficiency. Summary of the Invention

[0004] An object of the utility model is to solve the technical problem in the prior art that manual fixation of the screen is required, resulting in cumbersome operation and reduced screen printing efficiency.

[0005] To solve the above technical problem, the utility model adopts the following technical solutions:

[0006] A screen printer, comprising: a supporting component, a screen, a supporting component, a sliding component and a locking component;

[0007] The supporting component is arranged opposite to the screen, the supporting component is used for supporting the workpiece to be processed, and the screen is used for processing the workpiece to be processed;

[0008] The supporting component is connected to the supporting component, and the sliding component is slidably arranged on the supporting component. The sliding component is connected to the screen and is used for driving the screen to move towards or away from the supporting component;

[0009] The locking component is arranged on the sliding component and is used for locking the sliding component to the supporting component.

[0010] In one embodiment, the locking component includes an adjusting member and a resisting member. The resisting member is arranged between the sliding component and the supporting component. The adjusting member passes through the sliding component and is connected to the resisting member. The adjusting member is used for driving the resisting member to move and pressing tightly against the supporting component to limit the relative movement between the sliding component and the supporting component.

[0011] In one embodiment, the adjusting member includes a knob and a screw rod. One end of the screw rod is connected to the knob, and the other end is connected to the abutting member. The sliding assembly is provided with a threaded hole adapted to the screw rod, and the screw rod is threadedly connected to the threaded hole.

[0012] In one embodiment, a limiting hole is provided on the side of the sliding assembly facing the supporting assembly. The abutting member is received in the limiting hole, and the limiting hole is used to limit the movement of the abutting member in the vertical direction.

[0013] In one embodiment, the supporting assembly includes a first support rod and a second support rod arranged in parallel. The sliding assembly includes a first linear bearing and a second linear bearing. The first linear bearing is slidably sleeved on the first support rod, and the second linear bearing is slidably sleeved on the second support rod.

[0014] In one embodiment, the supporting assembly includes a top plate. The top plate and the supporting component are respectively arranged at opposite ends of the supporting assembly. The top plate is used to abut against the sliding assembly to limit the maximum distance between the wire mesh and the supporting component.

[0015] In one embodiment, the screen printing machine further includes an elastic member. One end of the elastic member is connected to the sliding assembly, and the other end is connected to the top plate. The elastic member is used to provide an elastic acting force to the sliding assembly to approach the top plate, and thus provide an elastic acting force to the wire mesh to move away from the supporting component.

[0016] In one embodiment, the elastic member includes a rotating shaft and a coil spring. The rotating shaft is arranged on the sliding assembly. One end of the coil spring is fixed to the rotating shaft, the coil spring is wound around the rotating shaft as a whole, and the other end of the coil spring is connected to the top plate.

[0017] In one embodiment, the screen printing machine further includes a buffer. The buffer is arranged on the sliding assembly. Along the sliding direction of the sliding assembly, the buffer protrudes relative to the edge of the sliding assembly. The buffer is used to abut against the top plate to buffer the acting force between the sliding assembly and the top plate.

[0018] In one embodiment, the buffer includes a fixing member and a buffer head. The fixing member is arranged on the sliding assembly, and the buffer head is arranged at one end of the fixing member facing the top plate. Along the sliding direction of the sliding assembly, the buffer head protrudes relative to the edge of the sliding assembly, and the buffer head is used to abut against the top plate.

[0019] From the above technical solutions, it can be seen that the present utility model has at least the following advantages and positive effects:

[0020] In the present utility model, the supporting assembly is disposed opposite to the wire mesh. The supporting assembly is used to support the workpiece to be processed. The wire mesh is used to process the workpiece to be processed. The sliding assembly is connected to the wire mesh. The sliding assembly is slidably disposed on the supporting assembly. By sliding the sliding assembly relative to the supporting assembly, the wire mesh can be driven to move towards or away from the supporting assembly. When the wire mesh reaches the screen printing position suitable for the workpiece, the locking assembly can lock the sliding assembly to the supporting assembly so as to facilitate the screen printing of the workpiece by the wire mesh. This screen printing machine can lock the sliding assembly to the supporting assembly through the locking assembly to fix the wire mesh, eliminating the need for manual fixation of the wire mesh, with convenient operation and improved screen printing efficiency. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of the screen printing machine in the embodiment of the present utility model.

[0022] Figure 2 is a schematic structural diagram of the sliding assembly in the highest position in the embodiment of the present utility model.

[0023] Figure 3 is a schematic structural diagram of the sliding assembly in the lowest position in the embodiment of the present utility model.

[0024] Figure 4 is Figure 2 a side view of the sliding assembly shown.

[0025] Figure 5 is Figure 4 a sectional view taken along the A-A direction.

[0026] Figure 6 is Figure 2 a partial structural schematic diagram in

[0027] Figure 7 is a schematic structural diagram of the abutting member in the embodiment of the present utility model.

[0028] Figure 8 is a sectional view of the first sleeve in the embodiment of the present utility model.

[0029] The description of the reference numerals is as follows:

[0030] 100, supporting assembly; 110, first support rod; 120, second support rod; 130, top plate;

[0031] 200, supporting assembly; 210, workbench; 220, wire mesh;

[0032] 300, Sliding component; 310, First linear bearing; 320, Second linear bearing; 330, First sleeve; 331, Mounting plate; 340, Second sleeve; 350, Connecting plate; 351, First side plate; 352, Second side plate; 360, Limiting hole; 361, Upper hole wall; 362, Lower hole wall; 370, Threaded hole;

[0033] 400, Locking component; 410, Adjusting part; 411, Knob; 412, Screw; 4121, Limiting part; 420, Holding part; 421, Holding surface; 422, Hollow part; 423, Reinforcing plate;

[0034] 500, Elastic part; 510, Rotating shaft; 520, Coil spring; 521, Extension part; 522, Winding part; 600, Buffer; 610, Fixing part; 620, Buffer head. Detailed implementation mode

[0035] Typical implementation modes reflecting the features and advantages of the present utility model will be described in detail in the following description. It should be understood that the present utility model can have various changes in different implementation modes, all of which do not depart from the scope of the present utility model, and the descriptions and illustrations therein are essentially for illustrative purposes and not for limiting the present utility model.

[0036] In the description of this application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to this application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of this application, "a plurality" means two or more, unless otherwise specifically defined.

[0037] Such as Figure 1As shown, in some embodiments, a screen printing machine includes a support assembly 100, a carrier assembly 200, a screen 220, a sliding assembly 300, and a locking assembly 400. The carrier assembly 200 is disposed opposite to the screen 220. The carrier assembly 200 is used to carry the workpiece to be processed. The screen 220 is used to process the workpiece to be processed. The support assembly 100 is connected to the carrier assembly 200, and the sliding assembly 300 is slidably disposed on the support assembly 100. The sliding assembly 300 is connected to the screen 220 and is used to drive the screen 220 to move in a direction closer to or away from the carrier assembly 200. The locking assembly 400 is disposed on the sliding assembly 300 and is used to lock the sliding assembly 300 to the support assembly 100.

[0038] During operation, by adjusting the sliding of the sliding assembly 300 relative to the support assembly 100, the screen 220 can be driven to move in a direction closer to or away from the carrier assembly 200. When the screen 220 reaches the screen printing position suitable for the workpiece, the locking assembly 400 can lock the sliding assembly 300 to the support assembly 100, so as to facilitate the screen 220 to perform screen printing on the workpiece. This screen printing machine can lock the sliding assembly 300 to the support assembly 100 through the locking assembly 400 to fix the screen 220, eliminating the need for manual fixing of the screen 220, with convenient operation and improved screen printing efficiency.

[0039] In some embodiments, the carrier assembly 200 can be disposed on the support assembly 100 in the horizontal direction, so that the workpiece to be processed can be placed on the carrier assembly 200 in the horizontal direction, facilitating the processing of the workpiece to be processed.

[0040] In some embodiments, the carrier assembly 200 can be a plate-like structure, facilitating the placement of the workpiece to be processed on the carrier assembly 200.

[0041] In some embodiments, the carrier assembly 200 can be a square structure to adapt to the square workpiece to be processed.

[0042] In some embodiments, the carrier assembly 200 is disposed opposite to the screen 220. The carrier assembly 200 can be disposed opposite to the screen 220 in the vertical direction. The screen 220 can move in a direction closer to the carrier assembly 200 and fit with the workpiece to be processed on the carrier assembly 200. It can be understood that a printing plate is provided on the screen 220, and a pattern or text to be transferred is engraved on the printing plate by laser engraving, so that the pattern or text on the printing plate is a hollowed-out part, and the mesh holes of the hollowed-out part can penetrate the ink. The user adds ink to the screen 220 and scrapes the ink, and the ink is transferred to the workpiece through the mesh holes of the hollowed-out part, thus completing the screen printing process of the workpiece. After the processing is completed, the screen 220 can move in a direction away from the carrier assembly 200 and separate from the workpiece to be processed.

[0043] Such asFigure 2 , Figure 4 and Figure 5 As shown in Figure 2 , Figure 4 and Figure 5 , the support assembly 100 can be arranged on the workbench 210 in the vertical direction and connected to one end of the supporting assembly 200. The support assembly 100 enables the sliding assembly 300 to slide up and down in the vertical direction, thereby adjusting the height of the wire mesh 220 in the vertical direction.

[0044] In some embodiments, the support assembly 100 includes a first support rod 110. The sliding assembly 300 includes a first linear bearing 310. The first linear bearing 310 is slidably sleeved on the first support rod 110. Through the cooperation of the first linear bearing 310 and the first support rod 110, the sliding assembly 300 can move smoothly in a straight line relative to the support assembly 100, and thus the wire mesh 220 can move smoothly in a straight line. The first support rod 110 can be arranged in the vertical direction. The first linear bearing 310 can slide up and down relative to the first support rod 110 in the vertical direction.

[0045] In some embodiments, the support assembly 100 includes a second support rod 120. The sliding assembly 300 includes a second linear bearing 320. The second linear bearing 320 is slidably sleeved on the second support rod 120. Through the cooperation of the second linear bearing 320 and the second support rod 120, the sliding assembly 300 can further move smoothly in a straight line relative to the support assembly 100, and thus the wire mesh 220 can move smoothly in a straight line. The second support rod 120 can be arranged in the vertical direction. The second linear bearing 320 can slide up and down relative to the second support rod 120 in the vertical direction.

[0046] In some embodiments, the first support rod 110 and the second support rod 120 can be arranged at intervals relative to each other.

[0047] In some embodiments, the first linear bearing 310 and the second linear bearing 320 can be arranged in parallel at intervals.

[0048] In some embodiments, both the first support rod 110 and the second support rod 120 can be guide optical axes.

[0049] In some embodiments, the first linear bearing 310 and the second linear bearing 320 are specifically linear bearings LM16UU.

[0050] As Figure 2 and Figure 3As shown, in some embodiments, the support assembly 100 includes a top plate 130. The top plate 130 and the supporting assembly 200 are respectively disposed at opposite ends of the support assembly 100. When the support assembly 100 is arranged in the vertical direction, the top plate 130 is disposed at the upper end of the support assembly 100, and the supporting assembly 200 is disposed at the lower end of the support assembly 100. Specifically, one end of the top plate 130 can be connected to the top end of the first support rod 110. The other end of the top plate 130 can be connected to the top end of the second support rod 120. The bottom ends of the first support rod 110 and the second support rod 120 can both be placed on the workbench 210.

[0051] In some embodiments, the top plate 130 is used to abut against the sliding assembly 300 to limit the maximum distance between the wire mesh 220 and the supporting assembly 200.

[0052] It should be noted that the sliding assembly 300 slides in a direction away from the supporting assembly 200. When the sliding assembly 300 abuts against the top plate 130, the top plate 130 restricts the sliding assembly 300 from moving in a direction away from the supporting assembly 200, so that the sliding assembly 300 and the supporting assembly 200 are at the maximum distance, that is, the wire mesh 220 and the supporting assembly 200 are at the maximum distance, as Figure 5 the state shown.

[0053] In some embodiments, the top plate 130 can abut against the top end of the first linear bearing 310. The top plate 130 can abut against the top end of the second linear bearing 320. The top plate 130 can prevent the first linear bearing 310 from detaching from the first support rod 110 and prevent the second linear bearing 310 from detaching from the second support rod 120.

[0054] In some embodiments, a sliding assembly 300 is slidably disposed on the support assembly 100. The sliding assembly 300 is connected to the wire mesh 220. The sliding assembly 300 can slide relative to the support assembly 100 and drive the wire mesh 220 to slide relative to the support assembly 100, so that the wire mesh 220 can move in a direction closer to or farther from the supporting assembly 200 on the support assembly 100, and thus the wire mesh 220 can be attached to or away from the workpiece.

[0055] It should be noted that the sliding assembly 300 has a sliding state and a locked state relative to the support assembly 100. When the sliding assembly 300 is in the sliding state relative to the support assembly 100, the sliding assembly 300 can slide relative to the support assembly 100 to drive the wire mesh 220 to move in a direction closer to or farther from the supporting assembly 200. When the sliding assembly 300 is in the locked state relative to the support assembly 100, the sliding assembly 300 is locked to the support assembly 100, and the wire mesh 220 can process the workpiece to be processed.

[0056] In some embodiments, the sliding assembly 300 includes a first sleeve 330. The first sleeve 330 is sleeved on the outer periphery of the first linear bearing 310. The first sleeve 330 and the first linear bearing 310 slide synchronously on the first support rod 110.

[0057] In some embodiments, the sliding assembly 300 includes a second sleeve 340. The second sleeve 340 is sleeved on the outer periphery of the second linear bearing 320. The second sleeve 340 and the second linear bearing 320 slide synchronously on the second support rod 120.

[0058] As Figure 2 shown, in some embodiments, the sliding assembly 300 includes a connecting plate 350. The connecting plate 350 is disposed opposite to the top plate 130, so that an installation space can be formed between the connecting plate 350 and the top plate 130.

[0059] In some embodiments, one end of the connecting plate 350 is connected to the first sleeve 330, and the other end is connected to the second sleeve 340. Specifically, one end of the connecting plate 350 is connected to the bottom end of the first sleeve 330. The other end of the connecting plate 350 is connected to the bottom end of the second sleeve 340. The connecting plate 350 can connect the first sleeve 330 and the second sleeve 340 into a whole, enabling the first sleeve 330 and the second sleeve 340 to slide synchronously, thereby driving the wire mesh 220 to slide more stably.

[0060] When the sliding assembly 300 abuts against the top plate 130, the top ends of the first sleeve 330 and the second sleeve 340 abut against the top plate 130. The top plate 130 and the connecting plate 350 are disposed opposite to both ends of the first sleeve 330, and the top plate 130 and the connecting plate 350 are disposed opposite to both ends of the second sleeve 340.

[0061] As Figure 1 、 Figure 2 and Figure 5 shown, in some embodiments, the locking assembly 400 is disposed on the sliding assembly 300 for locking the sliding assembly 300 to the support assembly 100. By means of the locking assembly 400, when the wire mesh 220 reaches the screen printing position suitable for the workpiece, the sliding assembly 300 can be locked relative to the support assembly 100, achieving the purpose of restricting the sliding of the sliding assembly 300 relative to the support assembly 100.

[0062] In some embodiments, the locking assembly 400 includes an adjusting member 410 and a resisting member 420. The resisting member 420 is disposed between the sliding assembly 300 and the supporting assembly 100. The adjusting member 410 passes through the sliding assembly 300 and is connected to the resisting member 420. The adjusting member 410 is used to drive the resisting member 420 to move and press against the supporting assembly 100 to limit the relative movement between the sliding assembly 300 and the supporting assembly 100 so as to fix the screen 220. Specifically, the friction force between the resisting member 420 and the supporting assembly 100 limits the relative movement between the sliding assembly 300 and the supporting assembly 100. By fixing the screen 220 through the locking assembly 400, there is no need to manually fix the screen 220, which is easy to operate and can improve the screen printing efficiency.

[0063] like Figure 6 and Figure 7 As shown, in some embodiments, the abutment member 420 may be a block-shaped structure. A abutment surface 421 is provided on the side of the abutment member 420 facing the support assembly 100. The abutment surface 421 is in contact with the support assembly 100, which can effectively increase the contact area between the abutment member 420 and the support assembly 100, thereby increasing the friction between the abutment member 420 and the support assembly 100, thereby more stably limiting the relative movement between the sliding assembly 300 and the support assembly 100.

[0064] In some embodiments, the abutment 420 may abut against the first support rod 110. The abutment 420 may abut against the peripheral side wall of the first support rod 110. The first support rod 110 may be a round rod. The abutment surface 421 may be an arcuate surface. The radius curvature of the abutment surface 421 is the same as the radius curvature of the peripheral side wall of the first support rod 110, so that the abutment surface 421 can be consistent with the peripheral side wall of the first support rod 110, thereby increasing the contact area between the abutment 420 and the first support rod 110, thereby increasing the friction between the abutment 420 and the first support rod 110, thereby more stably limiting the relative movement between the sliding assembly 300 and the support assembly 100.

[0065] In some embodiments, the support member 420 may be provided with a hollow portion 422. The hollow portion 422 may be arranged in a vertical direction. By providing the hollow portion 422, the weight of the support member 420 may be reduced, so that the support member 420 can move smoothly relative to the support assembly 100. The support assembly 100 is arranged in a vertical direction, and the support member 420 with a lighter weight can be lifted and slid along the support assembly 100.

[0066] In some embodiments, a reinforcing plate 423 is disposed within the hollowed-out portion 422. The reinforcing plate 423 can be disposed on the inner sidewall along the horizontal direction. The adjusting member 410 is connected to the position of the reinforcing plate 423. The reinforcing plate 423 can enhance the structural strength of the abutting member 420. When it is necessary to lock the sliding assembly 300 through the locking assembly 400, an acting force is applied to the abutting member 420 through the adjusting member 410 so that the abutting member 420 tightly abuts against the support assembly 100. Since the adjusting member 410 applies a force corresponding to the reinforcing plate 423 of the abutting member 420, the reinforcing plate 423 enables the abutting member 420 to withstand a greater acting force, thereby effectively preventing the adjusting member 410 from damaging the structure outside the hollowed-out portion 422 and preventing the adjusting member 410 from damaging the abutting member 420.

[0067] As Figure 5 and Figure 8 shown, in some embodiments, a limiting hole 361 is formed on the side surface of the sliding assembly 300 facing the support assembly 100. The abutting member 420 is received within the limiting hole 361, and the limiting hole 361 is used to limit the vertical movement of the abutting member 420. Along the vertical direction, the limiting hole 361 has an upper hole wall 361 and a lower hole wall 362, and the abutting member 420 is disposed between the upper hole wall 361 and the lower hole wall 362 to limit the vertical movement of the abutting member 420.

[0068] In some embodiments, the limiting hole 361 is formed within the first sleeve 330. The limiting hole 361 is formed at the middle position of the first sleeve 330 along the vertical direction.

[0069] As Figure 5 shown, in some embodiments, two first linear bearings 310 can be provided. The two first linear bearings 310 are sleeved on the first support rod 110 along the vertical direction. The first sleeve 330 is sleeved on the outer periphery of the two first linear bearings 310. The abutting member 420 is disposed between the two first linear bearings 310. An avoidance space is formed between the two first linear bearings 310, and the abutting member 420 can pass through the avoidance space to abut against the support assembly 100.

[0070] In some embodiments, the adjusting member 410 passes through the sliding assembly 300 and is connected to the abutting member 420. The adjusting member 410 is used to drive the abutting member 420 to move and tightly abut against the support assembly 100.

[0071] In some embodiments, the adjusting member 410 is partially inserted into the sliding assembly 300 and can move in a direction close to the abutting member 420 so that the abutting member 420 abuts against the support assembly 100.

[0072] In some embodiments, the adjusting member 410 is partially inserted into the sidewall of the first sleeve 330.

[0073] In some embodiments, the adjusting member 410 can be arranged in the horizontal direction so that the adjusting member 410 can move in the horizontal direction.

[0074] As Figure 5 shown, in some embodiments, the adjusting member 410 includes a knob 411 and a screw 412. One end of the screw 412 is connected to the knob 411, and the other end extends into the sliding assembly 300 and is connected to the abutting member 420. The sliding assembly 300 is provided with a threaded hole 370 adapted to the screw 412. The screw 412 is threadedly connected to the threaded hole 370. The knob 411 rotates around its own axis to drive the screw 412 to rotate. The screw 412 is in threaded cooperation with the threaded hole 370, so that the screw 412 pushes the abutting member 420 to abut against the support assembly 100. Through the cooperation of the knob 411 and the screw 412, the abutting member 420 can be stably driven to abut against the support assembly 100.

[0075] In some embodiments, one end of the screw 412 away from the knob 411 extends into the first sleeve 330 and abuts against the abutting member 420. The abutting member 420 abuts against the first support rod 110.

[0076] It should be noted that an external force is applied to drive the knob 411 to rotate in the first direction. The knob 411 drives the screw 412 to rotate in the first direction. The screw 412 cooperates with the threaded hole 370 to move in the direction close to the support assembly 100, driving the abutting member 420 to abut against the first support rod 110, so that the first sleeve 330 is in a locked state relative to the first support rod 110. After the silk printing work is completed, an external force is applied to rotate the knob 411 in the second direction opposite to the first direction. The knob 411 drives the screw 412 to rotate in the second direction. The screw 412 cooperates with the threaded hole 370 to move in the direction away from the first support rod 110. The screw 412 no longer abuts against the abutting member 420. The abutting member 420 is separated from the first support rod 110, and the first sleeve 330 is in a sliding state relative to the first support rod 110.

[0077] In some other embodiments, the adjusting member 420 can also be connected to the abutting member 420 to drive the abutting member 420 to separate from the first support rod 110.

[0078] As Figure 5 and Figure 8 shown, in some embodiments, a mounting plate 331 protrudes from the side wall of the first sleeve 330. The threaded hole 370 is provided through the mounting plate 331. With this arrangement, it is possible to avoid the threaded hole 370 being opened on the side wall of the first sleeve 330, so that the thickness setting of the side wall of the first sleeve 330 does not need to consider the setting of the threaded hole 370, and the thickness of the side wall of the first sleeve 330 can be reduced.

[0079] In some embodiments, the outer periphery of the knob 411 is provided with anti-slip threads to facilitate the rotation of the knob 411.

[0080] As Figure 5 shown, in some embodiments, a limiting portion 4121 is provided on the screw rod 412. The limiting portion 4121 is exposed outside the first sleeve 330. The limiting portion 4121 is spaced apart from the side wall of the first sleeve 330 facing the screw rod 412. During the process that the knob 411 drives the screw rod 412 to approach and abut against the abutting member 420, the limiting portion 4121 moves in the direction approaching the first sleeve 330, and the limiting portion 4121 can abut against the side wall of the first sleeve 330 facing the screw rod 412, restricting the screw rod 412 from moving in the direction approaching the abutting member 420, and avoiding the screw rod 412 continuously applying a force to the abutting member 420 and damaging the structure of the abutting member 420.

[0081] In some embodiments, the limiting portion 4121 can be a protrusion on the circumferential side wall of the screw rod 412, and the protrusion can abut against the side wall of the first sleeve 330 facing the screw rod 412.

[0082] As Figure 2 and Figure 3 shown, in some embodiments, the screen printer further includes an elastic member 500. The elastic member 500 can be a constant force spring. One end of the elastic member 500 is connected to the sliding assembly 300, and the other end is connected to the top plate 130. The elastic member 500 is used to provide an elastic acting force for the sliding assembly 300 to approach the top plate 130, and further provide an elastic acting force for the screen 220 to move away from the supporting assembly 200. Exemplarily, the elastic member 500 can provide an elastic acting force vertically upward for the sliding assembly 300.

[0083] It should be noted that without the application of an external force, the top end of the sliding assembly 300 approaches the top plate 130. The top plate 130 and the supporting assembly 200 are at the maximum distance. Driving the sliding assembly 300 to approach the supporting assembly 200, the screen 220 approaches in the direction of approaching the supporting assembly 200 and the workpiece to be processed, that is, it can slide in the vertically downward direction. The elastic member 500 undergoes elastic deformation, so that the elastic member 500 has an elastic potential energy to drive the sliding assembly 300 to approach the top plate 130. When the screen 220 reaches a position suitable for the supporting assembly 200, the sliding assembly 300 is locked to the supporting assembly 100, and the screen 220 processes the workpiece to be processed. After the processing is completed, the sliding assembly 300 is in a sliding state relative to the supporting assembly 100. The elastic member 500 can drive the sliding assembly 300 to move in the direction approaching the top plate 130, that is, the elastic member 500 can drive the sliding assembly 300 and the screen 220 to slide vertically upward, and the elastic member 500 resets the sliding assembly 300 and the screen 220, without the need for an operator to perform manual reset, making the operation of the screen printer more convenient and improving the screen printing efficiency.

[0084] As Figure 2As shown, in some embodiments, one end of the elastic member 500 can be connected to the connecting plate 350 of the sliding assembly 300. The connecting plate 350 is disposed opposite to the top plate 130, facilitating the elastic member 500 to pull the wire mesh 220 for lifting and lowering movement.

[0085] In some embodiments, the elastic member 500 can be disposed between the first linear bearing 310 and the second linear bearing 320, enabling the elastic member 500 to smoothly pull the first linear bearing 310 and the second linear bearing 320 for lifting and lowering movement, so that the two ends of the sliding assembly 300 and the wire mesh 220 are balanced in force, and further enabling the sliding assembly 300 and the wire mesh 220 to stably lift and slide.

[0086] In some embodiments, the elastic member 500 can be disposed between the first sleeve 330 and the second sleeve 340.

[0087] As Figure 2 shown, in some embodiments, the elastic member 500 can be a wound spring. Specifically, the elastic member 500 includes a rotating shaft 510 and a coil spring 520. The rotating shaft 510 is disposed on the sliding assembly 300. One end of the coil spring 520 is fixed to the rotating shaft 510, and the coil spring 520 is integrally wound around the rotating shaft 510. The other end of the coil spring 520 is connected to the top plate 130. When an external force is applied to the sliding assembly 300 to move it downward in the vertical direction, the rotating shaft 510 rotates, and the coil spring 520 is stretched and undergoes elastic deformation. The coil spring 520 can store elastic potential energy to drive the sliding assembly 300 to move in the vertically upward direction. When the external force is removed, the coil spring 520 pulls the sliding assembly 300 to slide vertically upward.

[0088] In some other embodiments, the elastic member 500 can also be a tension spring.

[0089] In some embodiments, the coil spring 520 includes an extension portion 521 and a winding portion 522 connected to one end of the extension portion 521. The end of the extension portion 521 far from the winding portion 522 is fixed to the top plate 130. The end of the winding portion 522 far from the extension portion 521 is connected to the rotating shaft 510. The extension portion 521 can be disposed in the vertical direction.

[0090] As Figure 2 shown, in some embodiments, the rotating shaft 510 is disposed on the connecting plate 350. The connecting plate 350 includes a first side plate 351 and a second side plate 352. The first side plate 351 and the second side plate 352 are disposed opposite to each other. One end of the rotating shaft 510 is connected to the first side plate 351, and the other end is connected to the second side plate 352.

[0091] As Figure 2 and Figure 3As shown, in some embodiments, the screen printing machine further includes a buffer 600. The buffer 600 can be a hydraulic buffer. The buffer 600 is disposed on the sliding assembly 300.

[0092] Specifically, the buffer 600 can be disposed on the side wall of the first sleeve 330. Along the sliding direction of the sliding assembly 300, the buffer 600 protrudes relative to the edge of the sliding assembly 300. The buffer 600 is used to abut against the top plate 130 to buffer the acting force between the sliding assembly 300 and the top plate 130. The sliding assembly 300 approaches the top plate 130 under the action of the elastic member 500. The buffer 600 protrudes relative to the edge of the sliding assembly 300. The buffer 600 contacts the top plate 130 prior to the sliding assembly 300, so that the buffer 600 buffers the acting force between the sliding assembly 300 and the top plate 130, avoiding damage to the sliding assembly 300 and the top plate 130, and reducing the noise generated by the impact between the sliding assembly 300 and the top plate 130.

[0093] In some embodiments, the buffer 600 includes a fixing member 610 and a buffer head 620. The fixing member 610 is disposed on the sliding assembly 300. The buffer head 620 is disposed at one end of the fixing member 610 facing the top plate 130. Along the sliding direction of the sliding assembly 300, the buffer head 620 protrudes relative to the edge of the sliding assembly 300. The buffer head 620 is used to abut against the top plate 130.

[0094] In some embodiments, the fixing member 610 is disposed on the side wall of the first sleeve 330.

[0095] Although the present invention has been described with reference to several exemplary embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above-described embodiments are not limited to any of the foregoing details, but should be broadly construed within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A screen printing machine, characterized in that: include: Support assembly, wire mesh, support assembly, sliding assembly and locking assembly; The supporting assembly is arranged opposite to the wire mesh, the supporting assembly is used to support the workpiece to be processed, and the wire mesh is used to process the workpiece to be processed; The support assembly is connected to the supporting assembly, and the sliding assembly is slidably provided on the support assembly, and the sliding assembly is connected to the wire mesh to drive the wire mesh to move toward or away from the supporting assembly; The locking assembly is arranged on the sliding assembly and is used to lock the sliding assembly on the supporting assembly.

2. The screen printing machine according to claim 1, characterized in that: The locking assembly includes an adjusting member and a resisting member, wherein the resisting member is disposed between the sliding assembly and the supporting assembly, the adjusting member passes through the sliding assembly and is connected to the resisting member, and the adjusting member is used to drive the resisting member to move and press against the supporting assembly to limit the relative movement between the sliding assembly and the supporting assembly.

3. The screen printing machine according to claim 2, characterized in that: The adjusting member comprises a knob and a screw rod, one end of the screw rod is connected to the knob, and the other end is connected to the supporting member, the sliding assembly is provided with a threaded hole matched with the screw rod, and the screw rod is threadedly connected to the threaded hole.

4. The screen printing machine according to claim 2, characterized in that: The sliding component is provided with a limiting hole on a side surface facing the supporting component, the abutting member is accommodated in the limiting hole, and the limiting hole is used to limit the movement of the abutting member in a vertical direction.

5. The screen printing machine according to claim 1, characterized in that: The support assembly includes a first support rod and a second support rod arranged in parallel, and the sliding assembly includes a first linear bearing and a second linear bearing. The first linear bearing can be slidably mounted on the first support rod, and the second linear bearing can be slidably mounted on the second support rod.

6. The screen printing machine according to claim 1, characterized in that: The support assembly includes a top plate, and the top plate and the supporting assembly are respectively arranged at opposite ends of the support assembly, and the top plate is used to abut against the sliding assembly to limit the maximum distance between the wire mesh and the supporting assembly.

7. The screen printing machine according to claim 6, characterized in that: The screen printer also includes an elastic member, one end of which is connected to the sliding assembly, and the other end is connected to the top plate. The elastic member is used to provide an elastic force to the sliding assembly close to the top plate, and then provide an elastic force to the screen away from the supporting assembly.

8. The screen printing machine according to claim 7, characterized in that: The elastic member includes a rotating shaft and a coil spring. The rotating shaft is arranged on the sliding assembly. One end of the coil spring is fixed to the rotating shaft. The coil spring is wound around the rotating shaft as a whole. The other end of the coil spring is connected to the top plate.

9. The screen printing machine according to claim 6, characterized in that: The screen printing machine also includes a buffer, which is arranged on the sliding component. Along the sliding direction of the sliding component, the buffer is protruded compared to the edge of the sliding component. The buffer is used to press against the top plate to buffer the force between the sliding component and the top plate.

10. The screen printing machine according to claim 9, characterized in that: The buffer includes a fixing member and a buffer head. The fixing member is arranged on the sliding component. The buffer head is arranged at one end of the fixing member facing the top plate. Along the sliding direction of the sliding component, the buffer head is protruded compared to the edge of the sliding component. The buffer head is used to abut against the top plate.

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