Side mount web frame adjustment device

Abstract

The application discloses a side-mounted net frame adjusting device and relates to the technical field of planar printing equipment. The device comprises a main connecting seat, two of which are symmetrically arranged, a coarse adjusting unit arranged on the main connecting seat, a fine adjusting unit connected to the main connecting seat, and a connecting unit arranged on the fine adjusting unit. The coarse adjusting unit is used for driving a first connecting rod and a guide rod to lift or lower in height by means of an adjusting screw rod, so that the preliminary mesh distance adjustment of a net plate and a printing platform is achieved. The fine adjusting unit is used for driving a shaft coupling and a screw rod to rotate by means of a servo motor speed reducer, so that the middle connecting plate, the second connecting rod and the plate assembly are driven to realize the table operation of the printing platform when the printing platform enters or exits the printing position. The connecting unit is used for connecting the left and right lifting parts by means of a third net frame connecting plate, a follow-up bearing, a guide seat, a net frame supporting plate and a locking assembly, so as to fix and guide the net frame, and the function effect of meshing is achieved during printing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of planar printing equipment, and specifically relates to a side-mounted screen frame adjusting device. BACKGROUND

[0002] With the vigorous development of the printing industry, the competition in the industry is increasingly fierce, and the market has higher requirements for the convenience and multifunctionality of automatic production equipment for the planar printing industry. At present, the screen frame adjusting mode of left-right in-out thick film printing equipment is mostly manually adjusted, the lifting plate function is mostly solved by the four-column same lifting mode, there is no off-net function, the repeat precision is low, the labor intensity is increased, and the production efficiency is reduced, which affects the equipment experience of terminal customers.

[0003] Based on this, the present application provides a side-mounted screen frame adjusting device, which can eliminate the disadvantages of the existing device. SUMMARY

[0004] The present application aims to provide a side-mounted screen frame adjusting device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0006] A side-mounted screen frame adjusting device comprises a main connecting seat, two main connecting seats are symmetrically arranged, a coarse adjustment unit for adjusting the preliminary screen distance between the screen plate and the printing platform is arranged on the main connecting seat, a fine adjustment unit for the screen plate is connected to the main connecting seat, and a connecting unit is arranged on the fine adjustment unit.

[0007] On the basis of the above technical solutions, the present application further provides the following optional technical solutions:

[0008] In an optional solution, the coarse adjustment unit comprises an adjusting screw, a nut seat, a thrust ball bearing, a first connecting rod and a guide rod, the adjusting screw penetrates through the first connecting rod and is threadedly connected to the nut seat, the nut seat is arranged at the bottom end of the first connecting rod, the thrust ball bearing is arranged on the main connecting seat below the nut seat, the adjusting screw is connected to the through hole in the middle of the main connecting seat through the thrust ball bearing, the guide rods are threadedly connected to the two ends of the first connecting rod, the guide rods are arranged on the main connecting seat, and the fine adjustment unit is connected to the bottom end of the guide rods.

[0009] In an optional solution, an oil-free bushing is arranged on the top of the two guide rods, and the oil-free bushing is connected to the top end of the main connecting seat through a fastener.

[0010] In an optional solution, a stop block is fixedly connected to the bottom end of the guide rod, and a No. 1 bearing is rotatably arranged between the stop block and the main connecting seat.

[0011] In an optional scheme, the fine adjustment unit comprises a servo motor reducer, a motor mounting seat, a lead screw, a coupling, an intermediate connecting plate, a second connecting rod and a plate assembly, the servo motor reducer is connected to the motor mounting seat through fasteners, the coupling is sleeved on the output end of the servo motor reducer, the lead screw is sleeved in the coupling and is fixed through fasteners on the coupling, the lead screw is screwed into the threaded hole in the middle of the intermediate connecting plate, the motor mounting seat is connected to the intermediate connecting plate through the motor mounting seat shell, and the second connecting rod is fixedly connected to the bottom end of the intermediate connecting plate.

[0012] In an optional scheme, the plate assembly comprises a linear slide rail, a slide rail connecting block, a main connecting plate, a slide rail connecting plate and a first screen frame connecting plate, the linear slide rail is fixedly connected to the outer wall at the end of the slide rail connecting plate, the linear slide rail is connected with the slide rail connecting block, the top end of the slide rail connecting block is connected with the second connecting rod through fasteners, the slide rail connecting plate is arranged between the main connecting plate and the first screen frame connecting plate, and the first screen frame connecting plate is connected to the outer wall on one side of the slide rail connecting block through fasteners.

[0013] In an optional scheme, the connecting unit comprises a third screen frame connecting plate, a follow-up bearing, a guide seat, a screen frame support plate, a screen frame and a locking assembly, the third screen frame connecting plate is connected to the side walls at both ends of the screen frame support plate, the third screen frame connecting plate is provided with a circular through hole, the follow-up bearing is rotatably arranged in the circular through hole, the guide seat is connected to the outer wall at one end of the third screen frame connecting plate through fasteners, and the screen frame is connected to the third screen frame connecting plate through the screen frame support plate.

[0014] In an optional scheme, the locking assembly comprises a second screen frame connecting plate, a bearing connecting rod, a No.2 bearing and a locking nut, the second screen frame connecting plate is connected to the end of the screen frame support plate through fasteners, the second screen frame connecting plate is connected to the side wall of the first screen frame connecting plate through the bearing connecting rod, the No.2 bearing and the locking nut, the bearing connecting rod penetrates through the second screen frame connecting plate, the No.2 bearing is sleeved at the end of the bearing connecting rod, and the locking nut is screwed with the bearing connecting rod.

[0015] In an optional scheme, the top ends of the second screen frame connecting plate and the screen frame support plate are connected with a screen frame fixing plate through fasteners.

[0016] In an optional scheme, the fasteners comprise bolts, screws and nails.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] 1. The coarse adjustment unit is used to drive the first connecting rod and the guide rod to lift or lower the height, so as to preliminarily adjust the screen distance between the screen plate and the printing platform.

[0019] 2、The present application realizes the screen plate operation when the printing platform enters and exits the printing position by the fine adjustment unit, servo motor reducer, shaft coupling and screw rod, middle connecting plate, second connecting rod and plate assembly.

[0020] 3、The present application realizes the screen frame fixing and guiding function by the connecting unit, third screen frame connecting plate, follow-up bearing, guiding seat, screen frame supporting plate and locking assembly. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the schematic diagram of the three-dimensional structure of the present application.

[0022] Figure 2 It is the exploded structure schematic diagram of the coarse adjustment unit of the present application.

[0023] Figure 3 It is the exploded structure schematic diagram of the fine adjustment unit of the present application.

[0024] Figure 4 It is the structure schematic diagram of the connecting unit of the present application.

[0025] Figure 5 It is the local structure schematic diagram of A of the present application.

[0026] Figure 6 It is the local structure schematic diagram of B of the present application.

[0027] Figure 7 It is the local structure schematic diagram of C of the present application.

[0028] Figure 8 It is the local structure schematic diagram of D of the present application.

[0029] Figure 9 It is the position relation diagram of the whole equipment of the present application.

[0030] 100, coarse adjustment unit; 101, adjustment screw; 102, nut seat; 103, thrust ball bearing; 104, first connecting rod; 105, guide rod; 106, oil-free bushing; 107, main connecting seat; 108, No. 1 bearing; 109, stop block; 200, fine adjustment unit; 201, servo motor reducer; 202, motor mounting seat; 203, screw rod; 204, shaft coupling; 205, intermediate connecting plate; 206, second connecting rod; 207, linear slide rail; 208, slide rail connecting block; 209, main connecting plate; 210, slide rail connecting plate; 211, first screen frame connecting plate; 300, connecting unit; 301, second screen frame connecting plate; 302, bearing connecting rod; 303, No. 2 bearing; 304, locking nut; 305, screen frame fixing plate; 306, third screen frame connecting plate; 307, follow-up bearing; 308, guide seat; 309, screen frame support plate; 310, screen frame; 401, workpiece printing position; 402, screen plate assembly; 403, printing assembly. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples.

[0032] In one embodiment, as shown in Figures 1-9 A side-mounted screen frame adjusting device includes main connecting seats 107, which are symmetrically provided with two, and a coarse adjustment unit 100 for adjusting the preliminary screen distance between the screen plate and the printing platform is arranged on the main connecting seat 107, a fine adjustment unit 200 for the screen plate is connected to the main connecting seat 107, and a connecting unit 300 is arranged on the fine adjustment unit 200.

[0033] As shown in Figure 2 and Figure 7 The coarse adjustment unit 100 includes an adjustment screw 101, a nut seat 102, a thrust ball bearing 103, a first connecting rod 104 and a guide rod 105, the adjustment screw 101 penetrates through the first connecting rod 104 and is threadedly connected to the nut seat 102, the nut seat 102 is arranged at the bottom end of the first connecting rod 104, the adjustment screw 101 is fixed on the first connecting rod 104 through the nut seat 102, the thrust ball bearing 103 is arranged on the main connecting seat 107 below the nut seat 102, the adjustment screw 101 is connected to the through hole in the middle part of the main connecting seat 107 through the thrust ball bearing 103, so as to realize the connection between the first connecting rod 104 and the main connecting seat 107, the guide rod 105 is screwed at both ends of the first connecting rod 104, the guide rod 105 is arranged through the main connecting seat 107, and the bottom end is connected with the fine adjustment unit 200, so as to guide and adjust the distance between the main connecting seat 107 and the fine adjustment unit 200.

[0034] like Figure 7 As shown, the tops of the two guide rods 105 are sleeved with oil-free bushings 106 , and the oil-free bushings 106 are connected to the top of the main connecting seat 107 through fasteners.

[0035] like Figure 7 As shown, a stopper 109 is fixedly connected to the bottom end of the guide rod 105 , and a No. 1 bearing 108 is rotatably provided between the stopper 109 and the main connecting seat 107 .

[0036] like Figure 3 and Figure 6 As shown, the fine adjustment unit 200 includes a servo motor reducer 201, a motor mounting seat 202, a screw 203, a coupling 204, an intermediate connecting plate 205, a second connecting rod 206 and a plate assembly. The servo motor reducer 201 is connected to the motor mounting seat 202 through fasteners. The coupling 204 is sleeved on the output end of the servo motor reducer 201. The coupling 204 is driven to rotate by the output of the servo motor reducer 201. The screw 203 is sleeved on the coupling The motor mounting base 202 is connected to the intermediate connecting plate 205 through the motor mounting base housing. The bottom end of the intermediate connecting plate 205 is fixedly connected with a second connecting rod 206. The height of the intermediate connecting plate 205 and the second connecting rod 206 can be raised and lowered by rotating the screw rod 203.

[0037] like Figure 5 As shown, the plate assembly includes a linear slide 207, a slide rail connecting block 208, a main connecting plate 209, a slide rail connecting plate 210 and a first screen frame connecting plate 211. The linear slide 207 is fixedly connected to the outer wall of the end of the slide rail connecting plate 210, and plays a role in assisting the slide rail connecting block 208 to slide up and down during the lifting of the second connecting rod 206. The linear slide 207 is connected to the slide rail connecting block 208, and the top of the slide rail connecting block 208 is connected to the second connecting rod 206 through a fastener, so as to achieve synchronous lifting and lowering adjustment with the second connecting rod 206. The slide rail connecting plate 210 is arranged between the main connecting plate 209 and the first screen frame connecting plate 211. The first screen frame connecting plate 211 is connected to the outer wall of one side of the slide rail connecting block 208 through a fastener, and the slide rail connecting block 208 is driven up and down by the second connecting rod 206, thereby achieving lifting and lowering adjustment of the first screen frame connecting plate 211.

[0038] like Figure 4 and Figure 8As shown, the connecting unit includes a third screen frame connecting plate 306, a follow-up bearing 307, a guide seat 308, a screen frame support plate 309, a screen frame 310 and a locking assembly, the third screen frame connecting plate 306 is connected on the two end side walls of the screen frame support plate 309, a circular through hole is arranged on the third screen frame connecting plate 306, the follow-up bearing 307 is rotatably arranged in the circular through hole, the screen frame 310 is driven to adjust the angle by the rotation of the follow-up bearing 307, so that the third screen frame connecting plate 306 keeps horizontal on the other side in the case of lifting on one side of the screen frame 310, the guide seat 308 is connected on the end outer wall of the third screen frame connecting plate 306 by a fastener, and the screen frame 310 is connected on the third screen frame connecting plate 306 by the screen frame support plate 309.

[0039] As shown in the figure, Figure 4 The locking assembly includes a second screen frame connecting plate 301, a bearing connecting rod 302, a No. 2 bearing 303 and a locking nut 304, the second screen frame connecting plate 301 is connected on the end of the screen frame support plate 309 by a fastener, the second screen frame connecting plate 301 is connected on the side wall of the first screen frame connecting plate 211 by the bearing connecting rod 302, the No. 2 bearing 303 and the locking nut 304, so as to realize the synchronous lifting with the first screen frame connecting plate 211, the screen frame support plate 309 is driven to move by the first screen frame connecting plate 211, so as to carry out the lifting plate operation of the screen frame 310, the bearing connecting rod 302 penetrates through the second screen frame connecting plate 301, the No. 2 bearing 303 is sleeved on the end of the bearing connecting rod 302, and the locking nut 304 is screwed with the bearing connecting rod 302, so as to realize the close connection between the second screen frame connecting plate 301 and the first screen frame connecting plate 211.

[0040] As shown in the figure, Figure 4 The top ends of the second screen frame connecting plate 301 and the screen frame support plate 309 are connected with a screen frame fixing plate 305 by fasteners. The fasteners include bolts, screws and nails.

[0041] Working principle: the above embodiment discloses a side-mounted screen frame adjusting device, in the use process, first, the height of the screen plate is adjusted, the coarse adjustment unit 100 is manually adjusted to the coarse adjustment of the device, the preliminary position of the screen frame 310 and the printing platform is adjusted to the satisfaction, then the fine adjustment unit 200 is controlled by the man-machine interface to carry out accurate adjustment until the required accuracy, the left side part is driven to lift by the servo motor speed reducer 201 before the printing platform enters the printing position, because the waist-shaped hole is processed on the third screen frame connecting plate 306, the left side can be lifted and the right side keeps the original horizontal position when cooperating with the follow-up bearing 307, until the printing platform enters the printing position and returns to the initial position, when the printing structure prints from right to left, the right structure part is lifted according to the set speed value, so as to realize the printing off-net function.

[0042] The above description is merely that of a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, and all should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A side-mounted screen frame adjustment device, comprising a main connecting seat (107), characterized in that: The main connecting seat (107) is symmetrically provided with two, the main connecting seat (107) is provided with a coarse adjustment unit (100) for adjusting the initial mesh distance between the screen and the printing platform, the main connecting seat (107) is connected to a fine adjustment unit (200) for the screen, and the fine adjustment unit (200) is provided with a connecting unit (300); The fine adjustment unit (200) comprises a servo motor reducer (201), a motor mounting seat (202), a screw (203), a coupling (204), an intermediate connecting plate (205), a second connecting rod (206) and a plate assembly, wherein the servo motor reducer (201) is connected to the motor mounting seat (202) via a fastener, the coupling (204) is sleeved on the output end of the servo motor reducer (201), the screw (203) is sleeved in the coupling (204) and connected and fixed via the fastener on the coupling (204), the screw (203) is screwed into a threaded hole in the middle of the intermediate connecting plate (205), the motor mounting seat (202) is connected to the intermediate connecting plate (205) via a motor mounting seat housing, and the bottom end of the intermediate connecting plate (205) is fixedly connected to the second connecting rod (206); The plate assembly comprises a linear slide rail (207), a slide rail connecting block (208), a main connecting plate (209), a slide rail connecting plate (210) and a first screen frame connecting plate (211); the linear slide rail (207) is fixedly connected to the outer wall of the end of the slide rail connecting plate (210); the linear slide rail (207) is connected to the slide rail connecting block (208); the top end of the slide rail connecting block (208) is connected to the second connecting rod (206) via a fastener; the slide rail connecting plate (210) is arranged between the main connecting plate (209) and the first screen frame connecting plate (211); the first screen frame connecting plate (211) is connected to the outer wall of one side of the slide rail connecting block (208) via a fastener; The connecting unit (300) comprises a third net frame connecting plate (306), a follower bearing (307), a guide seat (308), a net frame support plate (309), a net frame (310) and a locking assembly, wherein the third net frame connecting plate (306) is connected to the side walls at both ends of the net frame support plate (309), a circular through hole is provided on the third net frame connecting plate (306), a follower bearing (307) is rotatably provided in the circular through hole, the guide seat (308) is connected to the outer wall of one end of the third net frame connecting plate (306) by a fastener, and the net frame (310) is connected to the third net frame connecting plate (306) through the net frame support plate (309); The locking assembly comprises a second screen frame connecting plate (301), a bearing connecting rod (302), a second bearing (303) and a locking nut (304); the second screen frame connecting plate (301) is connected to the end of the screen frame support plate (309) via a fastener; the second screen frame connecting plate (301) is connected to the side wall of the first screen frame connecting plate (211) via the bearing connecting rod (302), the second bearing (303) and the locking nut (304); the bearing connecting rod (302) passes through the second screen frame connecting plate (301); the second bearing (303) is sleeved on the end of the bearing connecting rod (302); and the locking nut (304) is threadedly connected to the bearing connecting rod (302).

2. A side-mounted screen frame adjustment device according to claim 1, characterized in that: The coarse adjustment unit (100) comprises an adjusting screw (101), a nut seat (102), a thrust ball bearing (103), a first connecting rod (104) and a guide rod (105), wherein the adjusting screw (101) passes through the first connecting rod (104) and is threadedly connected to the nut seat (102), the nut seat (102) is arranged at the bottom end of the first connecting rod (104), a thrust ball bearing (103) is provided on the main connecting seat (107) below the nut seat (102), the adjusting screw (101) is connected to a through hole in the middle of the main connecting seat (107) through the thrust ball bearing (103), the two ends of the first connecting rod (104) are threadedly connected to the guide rod (105), the guide rod (105) passes through the main connecting seat (107), and the bottom end is connected to the fine adjustment unit (200).

3. The side-mounted screen frame adjustment device according to claim 2, characterized in that: The tops of the two guide rods (105) are sleeved with oil-free bushings (106), and the oil-free bushings (106) are connected to the top of the main connecting seat (107) via fasteners.

4. The side-mounted screen frame adjustment device according to claim 2, characterized in that: A stopper (109) is fixedly connected to the bottom end of the guide rod (105), and a No. 1 bearing (108) is rotatably provided between the stopper (109) and the main connecting seat (107).

5. The side-mounted screen frame adjustment device according to claim 1, characterized in that: The top ends of the second screen frame connecting plate (301) and the screen frame supporting plate (309) are connected to a screen frame fixing plate (305) via fasteners.

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