CN218505454U - Screen printing displacement adjustment mechanism and screen printing device - Google Patents

Abstract

The utility model relates to a screen printing displacement adjustment mechanism and screen printing device, screen printing displacement adjustment mechanism include base, adjusting part and silk screen subassembly, and the adjusting part is located the base, and the silk screen subassembly is located the adjusting part, and the adjusting part is used for changing the position of silk screen subassembly, and the adjusting part includes along the X direction drive unit of X axle direction change silk screen subassembly position, along the Y direction drive unit of Y axle direction change silk screen subassembly position and the angle modulation unit of change silk screen subassembly angle. The screen printing displacement adjusting mechanism can adjust the position of the screen component from multiple directions, and can swing left and right to adjust the angle of the screen component, so that the screen component and the battery piece are ensured to be in proper relative positions, and the printing precision is ensured.

Description

Screen printing displacement adjustment mechanism and screen printing device

Technical Field

The utility model relates to a screen printing field especially, especially relates to a screen printing displacement adjustment mechanism and screen printing device.

Background

In-process at the printing electrode, what generally adopt is screen printing's mode, current battery piece is at the in-process that carries out screen printing, because material loading in-process battery piece can produce the skew with the workstation, need satisfy the requirement of battery piece silk screen printing through displacement adjustment mechanism adjustment silk screen subassembly's angle and direction this moment, the displacement adjustment mechanism that prior art adopted respectively sets up a motor and lead screw through the both sides at the silk screen subassembly, the centre sets up the mechanism of elastic guide, through the mode of pulling while pushing away, thereby make the slight deformation of elastic guide adjust the position of silk screen subassembly, the result precision is low, battery piece printing is difficult to reach qualified standard.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a screen printing displacement adjustment mechanism and screen printing device can adjust the position of silk screen subassembly from a plurality of directions to the angle that can the horizontal hunting adjusted the silk screen subassembly ensures that silk screen subassembly and battery piece are in appropriate relative position, guarantees the precision of printing.

The purpose of the utility model is realized through the following technical scheme:

a screen printing displacement adjusting mechanism includes a base, an adjusting assembly and a screen assembly, the adjusting assembly is located on the base, the screen assembly is located on the adjusting assembly, the adjusting assembly is used for changing the position of the screen assembly, and the adjusting assembly includes an X-direction driving unit changing the position of the screen assembly in an X-axis direction, a Y-direction driving unit changing the position of the screen assembly in a Y-axis direction, and an angle adjusting unit changing the angle of the screen assembly.

When the position of the silk screen component needs to be adjusted, the position of the silk screen component is adjusted from the X-axis direction and the Y-axis direction through the mutual matching of the X-direction driving unit, the Y-direction driving unit and the angle adjusting unit, and the relative position of the silk screen component and the battery piece is adjusted by combining a left-right swinging angle adjusting mode, so that the printing precision is ensured.

Optionally, in one possible implementation, the adjusting assembly further includes a Z-direction driving unit that changes a position of the screen assembly in a Z-axis direction.

Except that can adjusting the silk screen subassembly on the horizontal plane, can also be through the regulation that Z axle direction was done to the silk screen subassembly to Z direction drive unit, change the height that the silk screen subassembly was located, can guarantee on the one hand that the silk screen subassembly more is close to the battery piece, the interval of silk screen subassembly and battery piece is more fit for processing, and on the other hand also conveniently clears up the silk screen subassembly, the cleanness and the maintenance of the silk screen subassembly of being convenient for.

Optionally, in a possible implementation manner, the angle adjusting unit includes a first rail, a first slider sleeved on the first rail, a first seat connected to the first slider, and a first driver for driving the first slider to move on the first rail, the first rail is arc-shaped, and an output end of the first driver is hinged to the first seat.

The first driver can be a motor or an air cylinder, the output end of the first driver is hinged to the first base body, the first driver outputs outwards and pushes the first base body, the first base body is connected with the first rail in a sliding mode through the first sliding block, when the first base body is pushed by the first driver, the first base body moves along the first rail in the arc-shaped trend, the silk screen assembly moves along with the first base body in an arc-shaped mode, and therefore angle adjustment of the silk screen assembly is achieved, the silk screen assembly is enabled to be accurately aligned with the battery piece, and printing precision is guaranteed.

Optionally, in a possible implementation manner, an output end of the first driver is connected to an output slider, the output slider is connected to a telescopic plate, one end of the telescopic plate is connected to the output slider, and the other end of the telescopic plate is hinged to the first seat.

For guaranteeing that first driver stably orders about first pedestal and removes along first orbital trend, output slider has been connected at the output of first driver, and still be connected with the expansion plate on the output slider, expansion plate one end is connected with output slider, the other end is articulated with first pedestal, flexible characteristic through the expansion plate, guarantee first pedestal when doing the pitch arc and remove along first orbital trend, can keep being connected with the output of first driver all the time, guarantee the operation of angle adjusting unit stability.

Optionally, in one possible implementation, the screen assembly includes a base plate, a screen mounted on the base plate, a transverse driving unit mounted on the base plate, a doctor blade and a return blade driven to move by the transverse driving unit.

And the ink scraping blade and the ink returning blade work on the silk screen to complete the printing work on the battery piece.

Optionally, in a possible implementation, the angle adjusting unit is mounted to the base; the Y-direction driving unit comprises a second rail arranged on the first seat body, a second sliding block sleeved on the second rail, a second seat body connected with the second sliding block and a second driver driving the second seat body to move; the Z-direction driving unit comprises a third track arranged on the second seat body, a third sliding block sleeved on the third track, a third seat body connected with the third sliding block and a third driver driving the third seat body to move; the X-direction driving unit comprises a fourth track arranged on the third seat body, a fourth sliding block sleeved on the fourth track, a fourth seat body connected with the fourth sliding block and a fourth driver driving the fourth seat body to move, and the silk screen assembly is arranged on the fourth seat body.

Similar to the first driver, the second driver may be a motor or an air cylinder, an output end of the second driver is connected to the second seat, the second driver outputs the second seat to the outside and pushes the second seat, because the second seat is slidably connected to the second rail through the second slider, when the second seat is pushed by the second driver, the second seat moves along the second rail along the straight line, and the screen assembly moves along the Y-axis direction synchronously with the movement of the second seat, thereby realizing the position of the screen assembly, enabling the screen assembly to be aligned accurately with the battery piece, and ensuring the printing precision. The adjustment in the X-axis direction and the Z-axis direction is the same as the adjustment in the Y-axis direction.

The utility model provides a screen printing device, includes aforementioned screen printing displacement adjustment mechanism, still includes board, feed mechanism, unloading mechanism, transmission device and detection mechanism, and detection mechanism includes first detecting element and second detecting element, transmission device installs on the board, and feed mechanism, first detecting element, screen printing displacement adjustment mechanism, second detecting element, unloading mechanism set gradually along transmission device's trend.

The feeding mechanism conveys the battery pieces to the transmission mechanism, the battery pieces firstly reach the first detection unit, then reach the silk screen assembly, then reach the second detection unit, and finally the blanking mechanism carries out blanking. Specifically, the battery piece carries out positional information and detects in first detecting element department, then will detect data feedback to controller, controller control adjusting part carries out displacement adjustment to the silk screen subassembly, print the battery piece through the silk screen subassembly after that, accomplish the printing back to the battery piece when the silk screen subassembly, carry out defect detection in second detecting element department, then will detect data feedback to the controller again, unloading mechanism judges according to the detected data in real time, carries the non-defective products district or NG district with the battery piece.

Optionally, in a possible implementation manner, the transmission mechanism includes a product jig and a jig driving unit, the jig driving unit orders the product jig to move between the feeding mechanism and the discharging mechanism, the product jig includes a jig base, a suction cup slidably connected to the jig base, and an adjusting driving unit that orders the suction cup to move relative to the jig base, the adjusting driving unit includes an adjusting driver and a slide rail, the adjusting driver pushes the suction cup to move along the slide rail, the adjusting driving unit further includes a slider, a gear and a rack, the gear is connected with an output end of the adjusting driver, the rack is connected with the gear in an engaging manner, the rack is connected with the suction cup, and the suction cup is used for adsorbing and fixing the battery piece.

The battery piece is fixed in the product tool, specifically adsorbs fixedly by the sucking disc, and the battery piece circulates on tool drive unit along with the product tool, flows between first detecting element, silk screen subassembly, second detecting element. The product tool specifically includes tool base, sucking disc and regulation drive unit, adjust drive unit including adjusting driver and slide rail and slider, gear and rack, adjust the driver and be cylinder or electric jar, order about gear revolve, and the gear drives the rack and removes, and the sucking disc removes along with the removal of rack to the position of adjustment sucking disc is used for the debugging in earlier stage of equipment, guarantees that equipment stably operates.

Optionally, in a possible implementation manner, the material belt and the centering mechanism are further included, the material belt and the centering mechanism are installed on two sides of the conveying direction of the conveying mechanism, the centering mechanism includes a transfer seat body, a transfer motor, a transfer belt, a transfer guide rail, a first clamping arm and a second clamping arm, the transfer motor is installed on the transfer seat body, the transfer belt is driven by the transfer motor to rotate, and the first clamping arm and the second clamping arm are located on two sides of the conveying direction of the material belt.

The material area is used for conveying the battery piece, centering mechanism carries out the centering to the battery piece in the material area, realize counterpoint of battery piece, ensure the accurate centering of battery piece on the material area, reduce adjusting part's the volume of rectifying, accelerate screen printing's efficiency, feed mechanism and unloading mechanism are the manipulator, feed mechanism snatchs the battery piece and puts into transport mechanism from centering mechanism, the centering operation has been accomplished to the battery piece that feed mechanism snatched this moment, the location has been accomplished to the position of battery piece, can show the efficiency of accelerating screen printing. The battery piece that unloading mechanism snatched enters into the material area through centering mechanism, can effectively avoid the battery piece to follow the roll-off in the material area.

Optionally, in a possible implementation manner, guide wheels are arranged on the first clamping arm and the second clamping arm. Through guide pulley and battery piece contact, reducible damage to the battery piece guarantees product quality.

The utility model discloses compare in prior art's beneficial effect and be:

the utility model discloses can adjust the position of silk screen subassembly from a plurality of directions to the angle that can the horizontal hunting adjusted the silk screen subassembly. Specifically, when the position of the screen assembly needs to be adjusted, the position of the screen assembly is adjusted from the X-axis direction and the Y-axis direction through the mutual matching of the X-direction driving unit, the Y-direction driving unit and the angle adjusting unit, and the relative position of the screen assembly and the battery piece is adjusted by combining a left-right swinging angle adjusting mode, so that the printing precision is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a structural diagram of a displacement adjusting mechanism for screen printing in embodiment 1 of the present invention.

Fig. 2 is a structural diagram of another view angle of the screen printing displacement adjusting mechanism according to the embodiment of the present invention 1.

Fig. 3 is a structural view of a screen unit according to example 1 of the present invention.

Fig. 4 is a structural view of a screen printing apparatus according to embodiment 2 of the present invention.

Fig. 5 is a structural view of another perspective of the screen printing apparatus according to embodiment 2 of the present invention.

Fig. 6 is a structural diagram of a product fixture according to embodiment 2 of the present invention.

Fig. 7 is a structural diagram of another view angle of the product fixture in embodiment 2 of the present invention.

Fig. 8 is a structural view of a centering mechanism according to embodiment 2 of the present invention.

Fig. 9 is a structural diagram of another view angle of the centering mechanism according to embodiment 2 of the present invention.

Reference numerals:

100. a base;

200. an adjustment assembly;

210. an X-direction driving unit 211, a fourth rail 212, a fourth slider 213, a fourth base 214, and a fourth driver;

220. a Y-direction driving unit 221, a second rail 222, a second slider 223, a second seat 224, and a second driver;

230. the angle adjusting unit 231, the first track 232, the first slider 233, the first seat 234 and the first driver;

240. a Z-direction drive unit;

241. a third rail 242, a third slide 243, a third seat 244, a third driver,

300. a screen assembly;

310. a bottom plate 320, a silk screen 330, a transverse driving unit 331, a shell 340, a doctor blade 350 and a return blade;

10. a machine platform;

20. a feeding mechanism;

30. a blanking mechanism;

40. the device comprises a transmission mechanism 41, a jig driving unit 42, a product jig 43, a jig base 44, a sucker 45, an adjusting driver 46, a sliding block 47, a gear 48 and a rack;

50. a detection mechanism 51, a first detection unit 52 and a second detection unit;

60. a screen printing displacement adjusting mechanism;

70. the centering mechanism 71, the transfer seat body 72, the transfer motor 73, the transfer belt 74, the transfer guide rail 75, the first clamping arm 76, the second clamping arm 77 and the guide wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures. In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, or orientations or positional relationships customarily placed in use of products of the application, or orientations or positional relationships customarily understood by those skilled in the art, merely for convenience of description and simplification of the description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present application.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.

The technical solution in the present application will be described below with reference to the accompanying drawings.

Example 1

The present embodiment 1 provides a screen printing displacement adjustment mechanism, which includes a base 100, an adjustment assembly 200, and a screen assembly 300, wherein the adjustment assembly 200 is located on the base 100, the screen assembly 300 is located on the adjustment assembly 200, the adjustment assembly 200 is used to change the position of the screen assembly 300, and the adjustment assembly 200 includes an X-direction drive unit 210 that changes the position of the screen assembly 300 in the X-axis direction, a Y-direction drive unit 220 that changes the position of the screen assembly 300 in the Y-axis direction, and an angle adjustment unit 230 that changes the angle of the screen assembly 300.

When the position of the screen assembly 300 needs to be adjusted, the position of the screen assembly 300 is adjusted from the X-axis direction and the Y-axis direction by the mutual cooperation of the X-direction driving unit 210, the Y-direction driving unit 220 and the angle adjusting unit 230, and the relative position of the screen assembly 300 and the battery piece is adjusted by combining the left-right swinging angle adjusting mode, so that the printing accuracy is ensured.

It should be noted that, in the present embodiment, the adjustment assembly 200 further includes a Z-direction driving unit 240 that changes the position of the screen assembly 300 along the Z-axis direction.

Except that can adjust screen assembly 300 on the horizontal plane, can also do the regulation of Z axle direction through Z direction drive unit 240 to screen assembly 300, change the height that screen assembly 300 was located, can guarantee on the one hand that screen assembly 300 more is close to the battery piece, the interval of screen assembly 300 and battery piece is more fit for processing, and on the other hand also conveniently clears up screen assembly 300, the cleanness and the maintenance of screen assembly 300 of being convenient for.

It should be noted that, in this embodiment, the angle adjusting unit 230 includes a first rail 231, a first sliding block 232 sleeved on the first rail 231, a first base 233 connected to the first sliding block 232, and a first driver 234 driving the first sliding block 232 to move on the first rail 231, the first rail 231 is arc-shaped, and an output end of the first driver 234 is hinged to the first base 233.

The first driver 234 may be a motor or an air cylinder, an output end of the first driver 234 is hinged to the first seat 233, the first driver 234 outputs outwards and pushes the first seat 233, the first seat 233 is slidably connected to the first rail 231 through the first slider 232, when the first seat 233 is pushed by the first driver 234, the first seat 233 moves along the first rail 231 with the circular arc-shaped trend, and the screen assembly 300 moves synchronously in an arc-shaped manner along with the movement of the first seat 233, so that the angle adjustment of the screen assembly 300 is realized, the screen assembly 300 is accurately aligned with the battery piece, and the printing precision is ensured.

It should be noted that, in this embodiment, the output end of the first driver 234 is connected to the output slider 235, the output slider 235 is connected to the expansion plate 236, one end of the expansion plate 236 is connected to the output slider 235, and the other end is hinged to the first seat 233.

In order to ensure that the first driver 234 stably drives the first seat 233 to move along the direction of the first track 231, the output end of the first driver 234 is connected to the output slider 235, the output slider 235 is further connected to the expansion plate 236, one end of the expansion plate 236 is connected to the output slider 235, and the other end of the expansion plate 236 is hinged to the first seat 233, so that the expansion characteristic of the expansion plate 236 ensures that the first seat 233 can always be connected to the output end of the first driver 234 when performing arc movement along the direction of the first track 231, thereby ensuring stable operation of the angle adjusting unit 230.

It should be noted that, in the present embodiment, the screen assembly 300 includes a bottom plate 310, a screen 320 mounted on the bottom plate 310, a transverse driving unit 330 mounted on the bottom plate 310, a doctor blade 340 driven to move by the transverse driving unit 330, and a return blade 350.

And the ink scraping blade and the ink returning blade work on the silk screen to complete the printing work on the battery piece. The lateral driving unit 330 may be a motor or an air cylinder, and drives the doctor blade and the ink return blade to work on the screen by the motor or the air cylinder. Specifically, the output end of the transverse driving unit 330 is connected to the housing 331, the doctor blade 340 and the ink return blade 350 are installed at the housing 331, the transverse driving unit 330 drives the housing 331 to move, and the doctor blade 340 and the ink return blade 350 installed at the housing 331 move synchronously with the housing 331 and complete the operation.

In this embodiment, the angle adjusting unit 230 is mounted on the base 100; the Y-direction driving unit 220 includes a second rail 221 installed on the first seat 233, a second slider 222 sleeved on the second rail 221, a second seat 223 connected to the second slider 222, and a second driver 224 driving the second seat 223 to move; the Z-direction driving unit 240 includes a third rail 241 installed on the second seat 223, a third slider 242 sleeved on the third rail 241, a third seat 243 connected to the third slider 242, and a third driver 244 driving the third seat 243 to move; the X-direction driving unit 210 includes a fourth rail 211 mounted on the third base 243, a fourth slider 212 sleeved on the fourth rail 211, a fourth base 213 connected to the fourth slider 212, and a fourth driver 214 for driving the fourth base 213 to move, and the screen assembly 300 is mounted on the fourth base 213.

Similar to the first driver 234, the second driver 224 can be a motor or an air cylinder, an output end of the second driver 224 is connected to the second seat 223, the second driver 224 outputs the external force and pushes the second seat 223, because the second seat 223 is slidably connected to the second rail 221 through the second slider 222, when the second seat 223 is pushed by the second driver 224, the second seat 223 moves along the second rail 221 in the straight line direction, and the screen assembly 300 moves along the Y-axis direction synchronously with the movement of the second seat 223, thereby realizing the position of the screen assembly 300, enabling the screen assembly 300 to be aligned with the battery piece accurately, and ensuring the printing precision. The adjustment in the X-axis direction and the Z-axis direction is the same as the adjustment in the Y-axis direction.

Example 2

This embodiment 2 provides a screen printing device, including screen printing displacement adjustment mechanism 60 in embodiment 1, still include board 10, feed mechanism 20, unloading mechanism 30, transport mechanism 40 and detection mechanism 50, detection mechanism 50 includes first detecting element 51 and second detecting element 52, and transport mechanism 40 installs on board 10, and feed mechanism 20, first detecting element 51, screen printing displacement adjustment mechanism 60, second detecting element 52, unloading mechanism 30 set gradually along the trend of transport mechanism 40.

The feeding mechanism 20 conveys the battery pieces to the conveying mechanism 40, and the battery pieces firstly reach the first detection unit 51, then reach the silk screen assembly, then reach the second detection unit 52, and finally are discharged by the discharging mechanism 30. Specifically, the battery piece carries out positional information detection in first detecting element 51 department, then will detect data feedback to the controller, controller control adjusting part carries out displacement adjustment to the silk screen subassembly, print the battery piece through the silk screen subassembly after that, accomplish the printing back to the battery piece when the silk screen subassembly, carry out defect detection in second detecting element 52 department, then will detect data feedback to the controller again, unloading mechanism 30 judges according to the detection data in real time, carry the non-defective products district or NG district with the battery piece.

It should be noted that, in this embodiment, the transmission mechanism 40 includes a product fixture 42, a fixture driving unit 41 for driving the product fixture 42 to move between the feeding mechanism and the discharging mechanism, the product fixture 42 includes a fixture base 43, a suction cup 44 slidably connected to the fixture base 43, and an adjusting driving unit for driving the suction cup 44 to move relative to the fixture base 43, the adjusting driving unit includes an adjusting driver 45, a slide rail, a slider 46, a gear 47, and a rack 48, the slide rail is disposed on the fixture base 43, the gear 47 is connected to an output end of the adjusting driver 45, the rack 48 is engaged with the gear 47, the rack 48 is connected to the suction cup 44, and the suction cup 44 is used for adsorbing and fixing the battery piece.

The battery piece is fixed on the product fixture 42, and is specifically fixed by being adsorbed by the suction cup 44, the battery piece flows on the fixture driving unit 41 along with the product fixture 42, and the fixture driving unit 41 may be a conveyor belt or a single-shaft transmission manipulator, and flows among the first detecting unit 51, the silk screen assembly, and the second detecting unit 52. The product jig 42 specifically comprises a jig base 43, a suction cup 44 and an adjusting driving unit, wherein the adjusting driving unit comprises an adjusting driver 45, a sliding rail, a sliding block 46, a gear 47 and a rack 48, the adjusting driver 45 is an air cylinder or an electric cylinder, the gear 47 is driven to rotate, the gear 47 drives the rack 48 to move, and the suction cup 44 moves along with the movement of the rack 48, so that the position of the suction cup 44 is adjusted, the device is debugged in the early stage, and the stable operation of the device is ensured.

It should be noted that, in this embodiment, the feeding belt 80 and the centering mechanism 70 are further included, the feeding belt 80 and the centering mechanism 70 are installed at two sides of the conveying direction of the conveying mechanism 40, the centering mechanism 70 includes a transfer base 71, a transfer motor 72, a transfer belt 73, a transfer guide rail 74, a first clamping arm 75 and a second clamping arm 76, the transfer motor 72 is installed at the transfer base 71, the transfer belt 73 is driven by the transfer motor 72 to rotate, and the first clamping arm 75 and the second clamping arm 76 are clamped to the transfer belt 73. The first and second clamp arms 75 and 76 move along the transfer guide 74. The first and second clamp arms 75 and 76 are located on both sides in the tape conveying direction.

The material belt 80 is used for conveying the battery piece, centering mechanism 70 centers the battery piece on the material belt, realize the counterpoint of battery piece, ensure the accurate centering of battery piece on material belt 80, reduce adjusting part's the volume of rectifying, accelerate screen printing's efficiency, feed mechanism and unloading mechanism are the manipulator, feed mechanism snatchs the battery piece and puts into transport mechanism from centering mechanism 70, the centering operation has been accomplished to the battery piece that feed mechanism snatched this moment, the location has been accomplished to the position of battery piece, can show the efficiency of accelerating screen printing. The battery pieces grabbed by the blanking mechanism enter the material belt 80 through the centering mechanism 70, so that the battery pieces can be effectively prevented from sliding out of the material belt 80.

In this embodiment, guide wheels 77 are disposed on the first clamping arm 75 and the second clamping arm 76. Through guide pulley 77 and battery piece contact, reducible damage to the battery piece guarantees product quality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A screen printing displacement adjusting mechanism is characterized by comprising a base, an adjusting assembly and a screen assembly, wherein the adjusting assembly is positioned on the base, the screen assembly is positioned on the adjusting assembly, the adjusting assembly is used for changing the position of the screen assembly, and the adjusting assembly comprises an X-direction driving unit for changing the position of the screen assembly along the X-axis direction, a Y-direction driving unit for changing the position of the screen assembly along the Y-axis direction and an angle adjusting unit for changing the angle of the screen assembly.

2. The screen printing displacement adjustment mechanism according to claim 1, wherein the adjustment assembly further includes a Z-direction drive unit that changes a position of the screen assembly in a Z-axis direction.

3. The screen printing displacement adjusting mechanism according to claim 1, wherein the angle adjusting unit comprises a first rail, a first slider sleeved on the first rail, a first seat connected to the first slider, and a first driver for driving the first slider to move on the first rail, the first rail is arc-shaped, and an output end of the first driver is hinged to the first seat.

4. The screen printing displacement adjusting mechanism according to claim 3, wherein an output slide block is connected to an output end of the first driver, an expansion plate is connected to the output slide block, one end of the expansion plate is connected with the output slide block, and the other end of the expansion plate is hinged to the first seat.

5. The screen printing displacement adjustment mechanism according to claim 1, wherein the screen assembly includes a base plate, a screen mounted on the base plate, a lateral drive unit mounted on the base plate, a doctor blade and a return blade which are driven to move by the lateral drive unit.

6. The screen printing displacement adjustment mechanism according to claim 2, wherein the angle adjustment unit is mounted to a base; the Y-direction driving unit comprises a second rail arranged on the first seat body, a second sliding block sleeved on the second rail, a second seat body connected with the second sliding block and a second driver driving the second seat body to move; the Z-direction driving unit comprises a third track arranged on the second seat body, a third sliding block sleeved on the third track, a third seat body connected with the third sliding block and a third driver driving the third seat body to move; the X-direction driving unit comprises a fourth track arranged on the third seat body, a fourth sliding block sleeved on the fourth track, a fourth seat body connected with the fourth sliding block and a fourth driver driving the fourth seat body to move, and the silk screen assembly is arranged on the fourth seat body.

7. A screen printing device is characterized by comprising the screen printing displacement adjusting mechanism as claimed in any one of claims 1 to 6, and further comprising a machine table, a feeding mechanism, a discharging mechanism, a transmission mechanism and a detection mechanism, wherein the detection mechanism comprises a first detection unit and a second detection unit, the transmission mechanism is installed on the machine table, and the feeding mechanism, the first detection unit, the screen printing displacement adjusting mechanism, the second detection unit and the discharging mechanism are sequentially arranged along the direction of the transmission mechanism.

8. The screen printing device according to claim 7, wherein the conveying mechanism comprises a product jig and a jig driving unit, the jig driving unit drives the product jig to move between the feeding mechanism and the discharging mechanism, the product jig comprises a jig base, a suction cup slidably connected with the jig base, and an adjusting driving unit which drives the suction cup to move relative to the jig base, the adjusting driving unit comprises an adjusting driver and a slide rail, and the adjusting driver pushes the suction cup to move along the slide rail.

9. The screen printing device according to claim 7, further comprising a material belt and a centering mechanism, wherein the material belt and the centering mechanism are installed on two sides of the conveying direction of the conveying mechanism, the centering mechanism comprises a transfer base, a transfer motor, a transfer belt, a transfer guide rail, a first clamping arm and a second clamping arm, the transfer motor is installed on the transfer base, the transfer belt is driven by the transfer motor to rotate, and the first clamping arm and the second clamping arm are located on two sides of the conveying direction of the material belt.

10. A screen printing apparatus as claimed in claim 9, wherein guide rollers are provided on the first and second clamp arms.

Images