CN210553568U

CN210553568U - Feeding mechanism of screen printing machine

Info

Publication number: CN210553568U
Application number: CN201921099656.8U
Authority: CN
Inventors: 车志鹏; 车志豪
Original assignee: Guangzhou Caibang Printing Co ltd
Current assignee: Guangzhou Caibang Label Co ltd
Priority date: 2019-07-13
Filing date: 2019-07-13
Publication date: 2020-05-19
Anticipated expiration: 2029-07-13

Abstract

The utility model relates to a silk screen printing machine equipment technical field provides a silk screen printing machine feed mechanism, and it is including unreeling the roller, one side that unreels the roller and is close to the silk screen printing machine is provided with the leading truck, sliding connection has the pinch roller that is used for compressing tightly the substrate material along vertical direction on the leading truck, through the setting of pinch roller for after the substrate material comes out from unreeling the roller, compress tightly by the pinch roller, thereby make the substrate material keep the state of tightening, be favorable to keeping the in-process of substrate material at the feeding level and smooth.

Description

Feeding mechanism of screen printing machine

Technical Field

The utility model relates to a silk screen printing machine equipment technical field, more specifically say, it relates to a silk screen printing machine feed mechanism.

Background

The screen printer is called 'screen printer', it is a device for printing solder paste or paste on PCB pad by screen, it is mainly used in electronic processing industry, screen printing mark of printed circuit board, mark of instrument shell panel, solder paste printing in circuit board processing course, etc.

When the existing screen printing machine is used for feeding materials, the printing materials are generally conveyed out from the unwinding roller and moved to the screen printing machine for pattern printing, and the patterns are generally required to be printed at the designated positions of the printing materials.

However, before the printing material enters the screen printer, because a space is reserved between the unwinding roller and the screen printer, and the printing material has light weight, the printing material is easily blown up or the position of the printing material is changed due to the influence of other media such as wind and the like in the continuous printing process of the printing material, so that the printing material is easily misplaced when entering the screen printer to cause the ink flow to cross the border, and further the ink flow is printed on the non-specified position of the printing material to cause errors when performing pattern printing, and the printing material becomes waste.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a silk screen printing machine feed mechanism has and makes the material of undertaking printing be in the state of tightening and be difficult for waving all the time before getting into the silk screen printing machine to make the china ink flow print the advantage of the assigned position department of the material of undertaking printing.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a silk screen printing machine feed mechanism, is including unreeling the roller, one side that unreels the roller and is close to the silk screen printing machine is provided with the leading truck, sliding connection has the pinch roller that is used for compressing tightly the undertaking printing material along vertical direction on the leading truck.

By adopting the technical scheme, the pressing roller is arranged between the unwinding roller and the screen printing machine, so that the printing material is pressed by the pressing roller under the action of the gravity of the pressing roller before coming out of the unwinding roller and entering the screen printing machine, and the pressed printing material is always in a tight state before entering the screen printing machine, and is not easy to be blown by media such as wind and the like to change the position; meanwhile, the surface of the printing material can be kept flat in the process of pressing the printing material by the pressing roller, so that wrinkles are not easy to occur in pattern printing, and ink flow is favorably printed at the designated position of the printing material; because the compressing roller is connected on the leading truck along vertical direction sliding for when silk screen printing machine drags the substrate material at the course of the work, the compressing roller has certain activity space, thereby reduces the risk that the substrate material breaks off when dragging, is favorable to protecting the substrate material.

The utility model discloses further set up to: fixedly connected with is used for carrying out spacing guide box to the printing material on the leading truck, import and the export that supplies the printing material to pass are seted up respectively to the guide box both sides, pinch roller along vertical direction sliding connection in the guide box is inside to be close to import department, the guide box is inside to be close to sliding connection has the guide roll on vertical direction is followed in the exit, the pinch roller with horizontal direction parallel arrangement is followed to the guide roll.

Adopt above-mentioned technical scheme, setting through the guide box, when making the printing material get into the guide box, the pinch roller carries out the butt with the surface of printing material under the action of gravity, thereby compress tightly and flatten the printing material, and simultaneously, the printing material passes through the guide roller once more when coming out from the guide box, make the printing material can be under the combined action of pinch roller and guide roller, keep self state of stretching tightly and keep the surfacing all the time better, be favorable to keeping the printing material can carry out the material loading steadily in feeding process, also be favorable to the ink stream to print on the assigned position of printing material better when carrying out the pattern printing simultaneously.

The utility model discloses further set up to: the printing device is characterized in that a sliding groove is formed in the guide box, the sliding groove is located in the middle of the guide box, the sliding groove is parallel to the pressing roller, two limiting parts used for limiting a printing material are connected to the sliding groove in a sliding mode respectively, the two limiting parts are arranged oppositely, one side, away from each other, of each limiting part is connected with a threaded sleeve in an integrated mode respectively, the threaded sleeves are connected with fixing parts used for fixing the stop positions of the sliding plates in a threaded mode, and the fixing parts are abutted to the bottoms of the sliding grooves.

Adopt above-mentioned technical scheme, when carrying out spacingly to the material of undertaking of unidimensional not, through loosening the jackscrew, make the locating part can begin to slide along the spout, thereby make the locating part can carry out the adjustment of interval at gliding in-process, thereby it leads to the material of undertaking of different width to make thereby to realize through the distance between the adjustment locating part, thereby make the material of undertaking of practicing thrift and can remain in certain feed position all the time between getting into the silk screen printing machine, be favorable to carrying out pattern printing to the material of undertaking of practicing thrift better, also be favorable to improving off-the-shelf qualification rate.

The utility model discloses further set up to: the limiting part comprises vertical plates integrally connected with threaded sleeves and sliding plates vertically and fixedly connected to the vertical plates, the sliding plates are connected with the sliding grooves in a sliding mode, and the two sliding plates are located between the vertical plates.

By adopting the technical scheme, the limiting piece consists of the vertical plates and the sliding plate, so that the guide box can adapt to printing materials with different sizes by adjusting the distance between the vertical plates; when vertical board carries on spacingly to the material of bearing the seal, the material of bearing the seal process the upper surface of sliding plate to make the material of bearing the seal carry on spacingly at vertical board in-process, thereby the material of bearing the seal is difficult for making the material of bearing the seal to be blocked and pulled apart from the space between vertical board and the guide box bottom, is favorable to keeping the material of bearing the seal to be better by the locating part to lead.

The utility model discloses further set up to: the guide box includes the box and can dismantle connect in shield on the box, the box with can dismantle between the shield and be connected with the connecting piece.

By adopting the technical scheme, the dust is blocked by the dustproof cover in the feeding process of the printing materials, so that the surface of the printing materials is not easy to fall into the dust to generate bubbles in the pattern printing process, the product quality is reduced, the product becomes waste, the cleanness of the upper surface of the printing materials is favorably kept, the screen printing machine is favorable for better printing the printing materials, and the qualification rate of the product is improved; set up the shield into detachable mode for can open the dust cover and watch when adjusting the distance to the locating part, be favorable to improving the precision of position adjustment between the locating part.

The utility model discloses further set up to: the connecting piece comprises an inserting rod, one end of the inserting rod is fixedly connected with a circular plate, one side of the circular plate, which is far away from the inserting rod, is provided with a round hole for inserting a finger, the other end of the inserting rod extends outwards respectively to form two convex blocks, the edge of the dustproof cover is provided with connecting holes for the convex blocks to pass through respectively, the box body is provided with clamping grooves respectively, the clamping grooves are right opposite to the connecting holes, and the clamping grooves are in matched clamping with the convex blocks.

Adopt above-mentioned technical scheme, through set up logical groove on the shield, set up the joint groove on the box for when installing the shield, just right through leading to groove and joint groove, thereby make the lug on the connecting piece pass logical groove, rotate the plectane and make and can carry out the joint with lug and joint groove, be favorable to saving time more when the dust cover is installed and dismantled, convenient operation.

The utility model discloses further set up to: and a distance adjusting device used for adjusting the distance between the unwinding roller and the guide frame is arranged between the unwinding roller and the guide frame.

By adopting the technical scheme, the distance adjusting device is arranged between the unwinding roller and the guide frame, so that different adjustments can be carried out according to the material of the printing material; when the toughness of the material of the printing material is poor, the distance between the unreeling roller and the guide frame is increased through the distance adjusting device, so that the acting force of the unreeling roller on the printing material is reduced in the continuous pattern printing process of the screen printing machine, and the printing material is not easy to break in the dragging process of the screen printing machine; when the material toughness of the material of the printing material is better, the distance between the unwinding roller and the guide frame is reduced through the distance adjusting device, so that the unwinding roller still has certain acting force on the material to be printed, the material to be printed is not easy to loosen in the process of pulling the screen printing machine, and the screen printing machine is favorable for keeping the material to be printed stably in the process of continuously printing the patterns.

The utility model discloses further set up to: the roll adjustment device comprises a first fixing plate and a second fixing plate which are fixedly connected with the two sides of the guide frame, the first fixing plate is in threaded connection with a roll adjustment screw rod, one end of the roll adjustment screw rod is penetrated through a threaded hole in the first fixing plate and is rotatably connected with the unwinding roller, the second fixing plate is in sliding connection with a guide rod, the guide rod is penetrated through a through hole in the second fixing plate and is fixedly connected with the unwinding roller, and the bottom of the guide frame is fixedly connected with a universal wheel.

By adopting the technical scheme, when the distance adjusting device is operated, the guide frame is close to or far away from the unwinding roller under the action of the universal wheel by directly rotating the distance adjusting screw rod, so that the distance between the guide box and the unwinding roller is adjusted, and the operation is convenient; meanwhile, due to the arrangement of the universal wheels, the friction force between the guide frame and the ground in the moving process is reduced, so that more labor is saved during distance adjusting operation.

The utility model discloses further set up to: and a brake device is arranged on the universal wheel.

Adopt above-mentioned technical scheme, through setting up brake equipment on the universal wheel for after roll adjustment device adjustment leading truck and the distance between the unreeling roller, lock the universal wheel through brake equipment, make difficult not hard up after accomplishing the roll adjustment between leading truck and the unreeling roller slide, be favorable to keeping the stability of distance between leading truck and the unreeling roller.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the pressing roller, after the printing material comes out of the unwinding roller, the pressing roller is used for pressing, so that the printing material is kept in a tight state, and the printing material is kept smooth in the feeding process;

2. the limiting piece is composed of the vertical plate and the sliding plate, so that the distance between the vertical plates can be adjusted according to different sizes of the printing materials, and meanwhile, the printing materials pass through the upper surface of the sliding plate, so that the printing materials are not easy to clamp between the vertical plates and the guide box and are easy to break, and the printing materials are favorably guided;

3. through the setting of roll adjustment device for can adapt to the different printing material of material through the distance between adjustment leading truck and the unreeling roller, thereby be favorable to keeping the normal clear of feeding process.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 3 is an exploded view of the guide box in example 2.

In the figure: 1. unwinding rollers; 2. a guide frame; 3. a pressure roller; 4. a distance adjusting device; 41. a first fixing plate; 42. a second fixing plate; 43. adjusting the pitch of the screw rod; 44. a guide bar; 45. a universal wheel; 5. a guide box; 51. a box body; 511. a clamping groove; 52. a dust cover; 521. connecting holes; 53. a connecting member; 531. a plug rod; 532. a circular plate; 533. a circular hole; 534. a bump; 54. an inlet; 55. an outlet; 56. a guide roller; 57. a chute; 58. a limiting member; 581. a vertical plate; 582. a sliding plate; 583. a threaded sleeve; 584. and (5) jacking the screw.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

The utility model provides a silk screen printing machine feed mechanism, refers to fig. 1, including unreeling roller 1, unreels one side that roller 1 is close to the silk screen printing machine and is provided with the leading truck 2 of placing on subaerial, and leading truck 2 has the pinch roller 3 that is used for compressing tightly the undertaking material along vertical direction sliding connection.

Unreel and be provided with the roll adjustment device 4 that is used for adjusting the interval between roll 1 and the leading truck 2, roll adjustment device 4 includes first fixed plate 41 and the second fixed plate 42 of fixed connection in 2 both sides of leading truck, first fixed plate 41 threaded connection has roll adjustment screw 43, roll adjustment screw 43 one end is passed the screw hole on first fixed plate 41 and is rotated with roll 1 and be connected, sliding connection has guide bar 44 on the second fixed plate 42, guide bar 44 passes the through-hole on the second fixed plate 42 and unreels 1 fixed connection of roll, 2 bottom fixedly connected with universal wheel 45 of leading truck, install brake equipment on the universal wheel 45, the preferred brake block of this embodiment.

The working conditions and principles of the embodiment 1 are as follows:

when the silk-screen printing machine is fed, the distance-adjusting screw 43 is rotated according to different materials of a printing material, so that the guide frame 2 is close to or far away from the unwinding roller 1 along the guide rod 44 under the action of the universal wheel 45, when the adjustment of the distance between the guide frame 2 and the unwinding roller 1 is finished, the rotation of the distance-adjusting screw 43 is stopped, the universal wheel 45 is fixed through the brake pad, the guide frame 2 is stopped at a specific position, and the adjustment of the distance between the guide frame 2 and the unwinding roller 1 can be completed at the moment.

Then, the printing materials pass through the lower part of the pressing roller 3, so that the pressing roller 3 is abutted to the upper surface of the printing materials under the action of gravity, and the printing materials can be placed on a screen printer to be printed.

Example 2, this example differs from example 1 in that:

referring to fig. 2, a guide box 5 for limiting the printing material is fixedly connected to the guide frame 2, the guide box 5 includes a box body 51 and a dust cover 52 detachably connected to the box body 51, and a connecting member 53 is detachably connected between the box body 51 and the dust cover 52.

Referring to fig. 3, the connecting member 53 includes an insertion rod 531, a circular plate 532 fixedly connected to one end of the insertion rod 531, two circular holes 533 for inserting fingers are formed in the circular plate 532, two protrusions 534 extend outward from the other end of the insertion rod 531, connecting holes 521 for the protrusions 534 to pass through are formed at corners of the dust-proof cover 52, clamping grooves 511 opposite to the connecting holes 521 are formed in the box body 51, and the clamping grooves 511 are clamped with the protrusions 534 in a matching manner.

Import 54 and export 55 that supply the printing material to pass are seted up respectively to guide box 5 both sides, and pinch roller 3 is close to import 54 department along vertical direction sliding connection inside guide box 5, and inside being close to export 55 department along vertical direction sliding connection has guide roll 56, and pinch roller 3 is parallel to each other with guide roll 56 along the horizontal direction.

The inside intermediate position of guide box 5 sets up the spout 57 that is parallel to each other with compression roller 3, and sliding connection has two locating parts 58 that are used for carrying on spacingly to the printing material respectively on the spout 57, and two locating parts 58 set up relatively.

The limiting member 58 comprises a vertical plate 581 and a sliding plate 582 vertically fixed on the vertical plate 581, the sliding plate 582 is slidably connected with the sliding groove 57, the two sliding plates 582 are located between the vertical plates 581, one sides of the two vertical plates 581, which face away from each other, are respectively and integrally connected with a threaded sleeve 583, the threaded sleeve 583 is in threaded connection with a jackscrew 584 used for fixing the stop position of the sliding plate 582, and when the sliding plate 582 is fixed, the jackscrew 584 is abutted against the bottom of the sliding groove 57.

The working conditions and principles of the embodiment 2 are as follows:

after the adjustment of the distance between the unwinding roller 1 and the guiding frame 2 is completed, the finger is inserted into the circular hole 533, and the circular plate 532 is rotated, so that the protrusion 534 is disengaged from the clamping groove 511, the connecting member 53 is sequentially taken out, and the dust cover 52 can be taken down at this time.

According to different widths of the printing materials, the jackscrew 584 is loosened, so that the sliding plate 582 is separated from the sliding groove 57 in a fixed state, the sliding plate 582 is moved, the sliding plate 582 drives the vertical plates 581 to approach or separate from each other, when the distance between the vertical plates 581 is adjusted to be slightly larger than the width of the printing materials, the sliding plate 582 stops being moved, the jackscrew 584 is screwed, the sliding plate 582 is fixed at a stop position, and at the moment, the adjustment of the distance between the limiting pieces 58 can be realized.

The printing material is pulled out of the unwinding roller 1, so that the printing material enters from an inlet 54 of the guide box 5, sequentially passes below the pressing roller 3 and is abutted to the pressing roller 3, then passes through the upper surface of the sliding plate 582, finally passes below the guide roller 56 and is abutted to the guide roller 56, and finally exits from an outlet 55 of the guide box 5, at the moment, the connecting hole 521 on the dustproof cover 52 is directly opposite to the clamping groove 511 on the box body 51, the convex block 534 on the connecting piece 53 passes through the connecting hole 521 and reaches the clamping groove 511, the circular plate 532 is rotated, so that the convex block 534 is clamped with the clamping groove 511, the dustproof cover 52 can be installed on the box body 51, and at the moment, the printing material can enter the screen printing machine to perform pattern printing.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a silk screen printing machine feed mechanism, is including unreeling roller (1), characterized by: one side of unreeling roller (1) near the silk screen printing machine is provided with leading truck (2), leading truck (2) along vertical direction sliding connection have be used for compressing tightly the pinch roller (3) of holding printing material.

2. The feeding mechanism of the screen printer as claimed in claim 1, wherein: fixedly connected with is used for carrying out spacing guide box (5) to the printing material on leading truck (2), import (54) and export (55) that supply the printing material to pass have been seted up respectively to guide box (5) both sides, pinch roller (3) along vertical direction sliding connection in guide box (5) inside is close to import (54) department, inside being close to of guide box (5) exit (55) department has guide roll (56) along sliding connection on the vertical direction, pinch roller (3) with horizontal direction parallel arrangement is followed to guide roll (56).

3. The screen printing machine feeding mechanism of claim 2, wherein: the utility model discloses a printing press, including guide box (5), spout (57), locating box (5) intermediate position, just spout (57) with compressing roller (3) are parallel, sliding connection has two locating parts (58) that are used for carrying on spacingly to the printing material respectively on spout (57), two locating part (58) set up relatively, two one side that locating part (58) deviate from is integrative connected with swivel nut (583) respectively mutually, swivel nut (583) threaded connection has the mounting that is used for fixed sliding plate (582) to stop the position, the mounting with spout (57) bottom butt.

4. The feeding mechanism of the screen printing machine as claimed in claim 3, wherein: the limiting member (58) comprises a vertical plate (581) integrally connected with a threaded sleeve (583), and sliding plates (582) vertically and fixedly connected to the vertical plate (581), wherein the sliding plates (582) are slidably connected with the sliding grooves (57), and the two sliding plates (582) are positioned between the vertical plates (581).

5. The screen printing machine feeding mechanism of claim 2, wherein: the guide box (5) comprises a box body (51) and a dustproof cover (52) detachably connected to the box body (51), and a connecting piece (53) is detachably connected between the box body (51) and the dustproof cover (52).

6. The feeding mechanism of the screen printing machine as claimed in claim 5, wherein: the connecting piece (53) comprises an inserting rod (531), one end of the inserting rod (531) is fixedly connected with a circular plate (532), one side of the circular plate (532) far away from the inserting rod (531) is provided with a circular hole (533) for fingers to insert, the other end of the inserting rod (531) extends outwards respectively to form two convex blocks (534), corners of the dustproof cover (52) are provided with connecting holes (521) for the convex blocks (534) to pass through respectively, the box body (51) is provided with clamping grooves (511) respectively, the clamping grooves (511) are right opposite to the connecting holes (521), and the clamping grooves (511) are matched and clamped with the convex blocks (534).

7. The screen printing machine feeding mechanism of claim 1 or 2, wherein: the unwinding roller (1) and the guide frame (2) are provided with a distance adjusting device (4) used for adjusting the distance between the unwinding roller (1) and the guide frame (2).

8. The feeding mechanism of the screen printing machine as claimed in claim 7, wherein: roll adjustment device (4) including fixed connection in first fixed plate (41) and second fixed plate (42) of leading truck (2) both sides, first fixed plate (41) threaded connection has roll adjustment screw rod (43), roll adjustment screw rod (43) one end is passed screw hole on first fixed plate (41) with it rotates to unreel roller (1) and connects, second fixed plate (42) sliding connection has guide bar (44), guide bar (44) are passed through-hole on second fixed plate (42) with unreel roller (1) fixed connection, leading truck (2) bottom fixedly connected with universal wheel (45).

9. The feeding mechanism of the screen printing machine as claimed in claim 8, wherein: and a brake device is arranged on the universal wheel (45).