Frame jacking machine capable of adjusting tension of screen printing plate

Abstract

The utility model relates to the technical field of screen printing, in particular to a top frame machine capable of adjusting screen tension. The transverse plates of the mounting frames are fixed to the side plates on the two sides respectively, a mounting plate is arranged between the two mounting frames, and the lower side wall of the mounting plate is arranged on the bottom plate in a sliding mode through a sliding block. Every two electric push rods are symmetrically embedded in a vertical plate of the mounting frame and the mounting plate front and back, top plates are arranged on the upper side of the vertical plate of the mounting frame and the upper side of the mounting plate, and piston rods of the two electric push rods which are symmetrical front and back are fixed to the front side and the rear side of the lower surface of the same top plate respectively. The linkage mechanism is arranged on the upper side of the bottom plate, and the linkage mechanism is connected with the mounting frame and the mounting plate; the clamping mechanisms are arranged in the side plates on the two sides correspondingly, and the side plate on one side is connected with the bottom plate through the adjusting mechanism. The screen tension adjusting device is suitable for various sizes, improves the printing quality and efficiency, and is convenient and stable to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screen printing, and particularly relates to a top frame machine capable of adjusting screen tension. BACKGROUND

[0002] In the silk screen printing, textile printing and dyeing and other industries, screen tension adjustment is one of the key processes, which directly affects the printing accuracy and quality. The traditional screen fixing device adopts mechanical clamping or manual adjustment, which has problems such as uneven tension, low adjustment efficiency, poor adaptability, especially insufficient compatibility for screen of different sizes. The existing equipment cannot realize rapid and accurate synchronous adjustment, which leads to screen deformation or relaxation, affecting the printing effect. In addition, manual operation is complicated and difficult to meet the high-precision production demand. UTILITARY MODEL

[0003] The utility model aims at the defects and deficiencies of the prior art, and provides a top frame machine capable of adjusting screen tension, which is reasonable in design and convenient to use, and can effectively solve the defects of the prior art.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: it contains bottom plate and side plate, both sides of the bottom plate are provided with side plates, one side of the side plate is fixedly connected with one side wall of the bottom plate, and the other side of the side plate is suspended on the other side of the bottom plate; it also contains:

[0005] Mounting frame, the mounting frame is two, and it is arranged in "L" shape, the horizontal plate of the mounting frame is fixed on the side plate on both sides respectively, the mounting plate is arranged between the two mounting frames, and the lower side wall of the mounting plate is slidably arranged on the bottom plate through the sliding block;

[0006] Electric push rod, the electric push rod is several, and it is embedded in the vertical plate of the mounting frame and the mounting plate in front and back symmetry respectively, the upper side of the vertical plate of the mounting frame and the upper side of the mounting plate are provided with the top plate, and the front and back two electric push rod piston rods are fixed on the front and back two sides of the lower surface of the same top plate respectively;

[0007] Linkage mechanism, the linkage mechanism is arranged on the upper side of the bottom plate, and the linkage mechanism is connected with the mounting frame and the mounting plate;

[0008] Clamping mechanism, the clamping mechanism is two, and it is arranged in the side plate on both sides respectively, and one side of the side plate is connected with the bottom plate through the adjusting mechanism;

[0009] Through the technical scheme, according to the size of the screen, the position of the side plate is adjusted through the adjusting mechanism, when the position of the side plate is adjusted, the side plate drives the mounting frame on the side plate to move, the mounting frame drives the mounting plate to move through the linkage mechanism, so that the three top plates are in equidistant positions, then the screen is placed on the two side plates, and is clamped through the clamping mechanism, then the electric push rod is started, the electric push rod drives the top plate to move upwards, so that the screen frame can be lifted upwards.

[0010] As a further improvement of the utility model, the connecting plate is symmetrically arranged between the two adjacent top plates, the two sides of the upper surface of the connecting plate are rotatably connected with the supporting link through the shaft, the other end of the supporting link is rotatably connected with the side wall of the adjacent top plate through the hinge seat, and the upper surface of the supporting link is arranged in the same plane with the upper surface of the push plate.

[0011] As a further improvement of the utility model, the linkage mechanism comprises:

[0012] The driven link is four in number and is symmetrically embedded and rotatably connected with the horizontal plate of the mounting frame through the shaft, and the other end of the driven link is rotatably connected with the driving link through the shaft;

[0013] The half gear is four in number and is fixed on the other end of the driving link in one-to-one correspondence, the left and right symmetric half gears are rotatably arranged, the center of the half gear is rotatably arranged and fixed with the rotating shaft, and the rotating shaft is rotatably connected with the mounting plate through the bearing;

[0014] Through the technical scheme, when the mounting frame on one side moves, the driven link on the mounting frame rotates, the driven link drives the driving link connected with the driven link to rotate, the driving link drives the mounting plate to move, and the driving link on the side drives the driving link on the other side to rotate through the half gear, so that the driven link on the other side rotates synchronously, and the mounting plate can be ensured to be located at the middle position between the mounting frames on the two sides.

[0015] As a further improvement of the utility model, the clamping mechanism comprises:

[0016] The clamping screw is two in number and is symmetrically rotatably connected with the side plate through the thread, the upper end of the clamping screw is rotatably connected with the front and rear sides of the clamping plate through the bearing after penetrating through the top wall of the side plate, the clamping plate is suspended on the upper side of the side plate, and one end of the clamping screw in the clamping plate is connected through the synchronous wheel transmission assembly;

[0017] The rotating hand knob is two in number and is fixed on the top end of the clamping screw, and the rotating hand knob is located on the upper side of the clamping plate.

[0018] The baffle is movably arranged in the side plate and is located at the side of the clamping screw adjacent to the mounting frame.

[0019] Through the technical scheme, the screen is abutted on the corresponding baffle, and then the rotary knob on one side is rotated, the rotary knob drives the clamping screw connected thereto to rotate, the clamping screw drives the other clamping screw to rotate through the synchronous wheel transmission assembly, and the two clamping screws drive the clamping plate to move downward in the process of rotating, so that the screen can be clamped through the cooperation of the clamping plate and the top wall of the side plate.

[0020] As a further improvement of the utility model, the side of the lower surface of the clamping plate and the side of the top wall of the side plate are both fixed with anti-skid pads, and the anti-skid pads are located at the side of the baffle adjacent to the mounting frame.

[0021] Through the technical scheme, the sealing property between the screen and the clamping plate can be improved, and the screen can be prevented from being damaged by the clamping plate and the side plate.

[0022] As a further improvement of the utility model, the adjusting mechanism comprises:

[0023] The adjusting rods are equidistantly fixed on the side wall of the side plate on one side, the adjusting rods are movably arranged in the grooves on the bottom plate, and the bottom wall of the adjusting rod and the bottom wall of the side plate on one side are both fixed with a plurality of moving wheels.

[0024] The adjusting screws are two, and the adjusting screws are respectively screwed in the adjusting rods on the front and rear sides, one end of the adjusting screw is screwed in the side plate on one side through a bearing, and the other end of the adjusting screw in the side plate is connected through the synchronous wheel transmission assembly.

[0025] The adjusting motor is embedded and fixed in the side plate, and the output shaft of the adjusting motor is connected with one end of the adjusting screw.

[0026] Through the technical scheme, the adjusting motor is started, the adjusting motor drives the adjusting screw connected thereto to rotate, the adjusting screw drives the other adjusting screw to rotate through the synchronous wheel transmission assembly, the two adjusting screws drive the adjusting rod to move, and the adjusting rod drives the side plate to move.

[0027] Compared with the prior art, the utility model has the advantages that the utility model discloses a top frame machine capable of adjusting screen tension, realizes rapid and accurate adjustment of screen tension, is suitable for various sizes, improves printing quality and efficiency, is convenient and stable to operate, and has the advantages of reasonable arrangement and low manufacturing cost. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 The utility model relates to a structure schematic diagram.

[0029] Figure 2 This is a schematic diagram of the linkage mechanism in this utility model.

[0030] Figure 3 This is an exploded view of the adjustment mechanism, base plate, and side plate in this utility model.

[0031] Figure 4 This is a schematic diagram of the electric push rod, top plate, and support connecting rod in this utility model.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Base plate; 2. Side plate; 3. Mounting bracket; 4. Mounting plate; 5. Electric push rod; 6. Top plate; 7. Linkage mechanism; 7-1 driven link; 7-2 driving link; 7-3 half gear; 7-4 rotating shaft; 8. Clamping mechanism; 8-1 clamping screw; 8-2 clamping plate; 8-3 rotating hand screw; 8-4 baffle; 9. Adjustment mechanism; 9-1 adjusting rod; 9-2 limit block; 9-3 adjusting screw; 9-4 adjusting motor; 10. Connecting plate; 11. Support link; 12. Anti-slip pad. Detailed Implementation

[0034] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Example 1

[0035] like Figures 1-4 As shown, this embodiment includes a base plate 1 and side plates 2. Side plates 2 are provided on both sides of the base plate 1. The left side plate 2 is welded and fixed to the left side wall of the base plate 1, and the right side plate 2 is suspended on the right side of the base plate 1. It also includes:

[0036] Mounting bracket 3, there are two mounting brackets 3, and they are both arranged in an "L" shape. The horizontal plate of the mounting bracket 3 is welded and fixed to the side plate 2 on both sides. A mounting plate 4 is arranged between the two mounting brackets 3. The lower side wall of the mounting plate 4 is slidably mounted on the base plate 1 by a slider.

[0037] Electric push rod 5, the electric push rod 5 is several, and its two two respectively front and back symmetry embedding in the vertical plate of mounting frame 3 and mounting plate 4, the upper side of the vertical plate of mounting frame 3 and the upper side of mounting plate 4 are provided with top plate 6, the piston rod of the front and back symmetry two electric push rods 5 is fixed on the front and back two sides of the lower surface of the same top plate 6 respectively, the adjacent two top plates 6 are provided with connecting plate 10 between front and back symmetry, the upper surface of connecting plate 10 is provided with support connecting rod 11 through shaft on both sides, the other end of support connecting rod 11 is rotatably connected to the side wall of adjacent top plate 6 through hinged seat, the upper surface of support connecting rod 11 is arranged on the same plane with the upper surface of push plate;Can increase the area of jacking;

[0038] Linkage mechanism 7, the linkage mechanism 7 is provided on the upper side of bottom plate 1, and the linkage mechanism 7 is connected with mounting frame 3 and mounting plate 4;The linkage mechanism 7 comprises:

[0039] Driven connecting rod 7-1, the driven connecting rod 7-1 is four, and its two two front and back symmetry embedding and rotatably connected in the horizontal plate of mounting frame 3, the other end of driven connecting rod 7-1 is rotatably connected with driving connecting rod 7-2 through shaft;

[0040] Half gear 7-3, the half gear 7-3 is four, and it is welded and fixed on the other end of driving connecting rod 7-2 one by one, and the left and right symmetrical half gears 7-3 are arranged in meshing, and the center of half gear 7-3 is inserted and fixed with rotating shaft 7-4, and rotating shaft 7-4 is rotatably connected in mounting plate 4 through bearing;

[0041] Clamping mechanism 8, the clamping mechanism 8 is two, and it is arranged in the side plate 2 on both sides respectively, and the right side plate 2 is connected with the bottom plate 1 through adjusting mechanism 9. Example 2

[0042] Referring to Figure 1 As shown in the embodiment 1, on the basis of, the clamping mechanism 8 comprises:

[0043] Clamping screw 8-1, the clamping screw 8-1 is two, and it is front and back symmetry rotatably connected in the side plate 2 through thread, and the upper end of clamping screw 8-1 passes through the top wall of side plate 2, and is rotatably connected on the front and back two sides of clamping plate 8-2 through bearing, and clamping plate 8-2 is suspended on the upper side of side plate 2, and the end of clamping screw 8-1 inside clamping plate 8-2 is connected through synchronous wheel transmission assembly;The side of the lower surface of clamping plate 8-2 and the side of the top wall of side plate 2 are fixed with antiskid pad 12, and the antiskid pad 12 is located on the side of baffle 8-4 adjacent to mounting frame 3, which can increase the sealing between screen and clamping plate 8-2, and avoid damage to screen caused by clamping plate 8-2 and side plate 2;

[0044] Rotary hand screw 8-3, the rotary hand screw 8-3 is two, and it is welded and fixed on the top end of the clamping screw 8-1, and the rotary hand screw 8-3 is located on the upper side of the clamping plate 8-2;

[0045] Baffle 8-4, the baffle 8-4 is welded and fixed on the lower surface of the clamping plate 8-2, the baffle 8-4 is movably inserted in the side plate 2, and the baffle 8-4 is located on the side of the clamping screw 8-1 adjacent to the mounting frame 3. Example 3

[0046] Referring to Figure 1 、 Figure 3 As shown in the figure, on the basis of example 1, the adjusting mechanism 9 comprises:

[0047] Adjusting rod 9-1, the adjusting rod 9-1 is several, and it is welded and fixed on the left side wall of the right side plate 2 at equal intervals, the adjusting rod 9-1 is inserted in the several grooves on the bottom plate 1, and the bottom wall of the adjusting rod 9-1 and the bottom wall of the side plate 2 on one side are both fixed with several moving wheels 9-2;

[0048] Adjusting screw 9-3, the adjusting screw 9-3 is two, and it is respectively screwed in the adjusting rod 9-1 on the front and back sides, the left end of the adjusting screw 9-3 is screwed in the left side plate 2 through a bearing, and the end of the adjusting screw 9-3 in the side plate 2 is connected through a synchronous wheel transmission assembly;

[0049] Adjusting motor 9-4, the adjusting motor 9-4 is embedded and fixed in the side plate 2, and the output shaft of the adjusting motor 9-4 is connected with the left end of the adjusting screw 9-3 on the front side.

[0050] In use of the utility model, according to the size of the screen, start the adjusting motor 9-4, the adjusting motor 9-4 drives the adjusting screw rod 9-3 connected therewith to rotate, the adjusting screw rod 9-3 drives another adjusting screw rod 9-3 to rotate through the synchronous wheel transmission assembly, and the two adjusting screw rods 9-3 drive the adjusting inserting rod 9-1 to move, the adjusting inserting rod 9-1 drives the side plate 2 to move, when the position of the side plate 2 is adjusted, the side plate 2 drives the mounting frame 3 thereon to move, the mounting frame 3 drives the driven connecting rod 7-1 thereon to rotate, the driven connecting rod 7-1 drives the driving connecting rod 7-2 connected therewith to rotate, the driving connecting rod 7-2 drives the mounting plate 4 to move, and simultaneously the driving connecting rod 7-2 on the side drives the driving connecting rod 7-2 on the other side to rotate through the half gear 7-3, so that the driven connecting rod 7-1 on the other side rotates synchronously, and then the mounting plate 4 can be ensured to be located at the position between the mounting frames 3 on both sides, so that the three top plates 6 are located at the equidistant positions, the two sides of the screen abut on the corresponding baffles 8-4, the rotary knob 8-3 on one side is rotated, the rotary knob 8-3 drives the clamping screw rod 8-1 connected therewith to rotate, the clamping screw rod 8-1 drives another clamping screw rod 8-1 to rotate through the synchronous wheel transmission assembly, and the two clamping screw rods 8-1 drive the clamping plate 8-2 to move downwards in the process of rotating, so that the screen can be clamped through the cooperation of the clamping plate 8-2 and the top wall of the side plate 2, then the electric push rod 5 is started, and the electric push rod 5 drives the top plate 6 to move upwards, so that the screen frame can be lifted upwards.

[0051] Compared with the prior art, the utility model has the beneficial effects as follows:

[0052] 1、through the adjusting mechanism 9 drive side plate 2 moves, linkage mechanism 7 synchronous drive mounting plate 4 adjustment position, make top plate 6 interval automatic adaptation different size screen, improve the versatility and adjustment efficiency of equipment;

[0053] 2、electric push rod 5 symmetry drive top plate 6 synchronous lifting, combine support connecting rod 11 extension support area, ensure that screen stress is even, avoid local deformation, improve printing accuracy;

[0054] 3、clamping mechanism 8 adopt synchronous wheel transmission assembly linkage double screw rod, through rotary knob 8-3 or motor drive realizes screen both sides synchronous pressure, anti-skid pad 12 design enhances fixed reliability and protects screen;

[0055] 4、adjusting motor 9-4 through screw rod transmission control side plate 2 displacement, linkage mechanism 7 automatic center mounting plate 4, reduce manual intervention, easy operation and positioning accurate, suitable for efficient production needs.

[0056] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An adjustable screen tension top frame machine, comprising a bottom plate (1) and a side plate (2), the bottom plate (1) is provided with the side plate (2) on both sides, the side plate (2) on one side is fixedly connected with a side wall of the bottom plate (1), and the side plate (2) on the other side is suspended on the other side of the bottom plate (1); characterized in that: It also contains: The mounting frame (3) is two, and it is arranged in "L" shape, the horizontal plate of the mounting frame (3) is fixed on the side plate (2) on both sides respectively, and the mounting plate (4) is arranged between the two mounting frames (3), the lower side wall of the mounting plate (4) is slidably arranged on the bottom plate (1); Electric push rod (5), the electric push rod (5) is several, and it is embedded in the vertical plate of the mounting frame (3) and the mounting plate (4) respectively, the upper side of the vertical plate of the mounting frame (3) and the upper side of the mounting plate (4) are provided with top plate (6), and the piston rod of the two electric push rods (5) is fixed on the same top plate (6) respectively. Linkage mechanism (7), the linkage mechanism (7) is arranged on the upper side of the bottom plate (1), and the linkage mechanism (7) is connected with the mounting frame (3) and the mounting plate (4); Clamping mechanism (8), the clamping mechanism (8) is two, and it is arranged in the side plate (2) on both sides respectively, and the side plate (2) on one side is connected with the bottom plate (1) through the adjusting mechanism (9).

2. The top frame machine capable of adjusting screen tension according to claim 1, wherein: The connecting plate (10) is arranged between the two adjacent top plates (6) and is symmetrically arranged, the upper surface of the connecting plate (10) is rotatably connected with the support connecting rod (11) through the shaft, the other end of the support connecting rod (11) is rotatably connected with the side wall of the adjacent top plate (6) through the hinge seat, and the upper surface of the support connecting rod (11) is arranged in the same plane with the upper surface of the push plate.

3. The top frame machine of claim 1, wherein: The linkage mechanism (7) contains: Driven connecting rod (7-1), the driven connecting rod (7-1) is four, and it is embedded and rotatably connected with the horizontal plate of the mounting frame (3) through the shaft, and the other end of the driven connecting rod (7-1) is rotatably connected with the driving connecting rod (7-2) through the shaft; Half gear (7-3), the half gear (7-3) is four, and it is fixed on the other end of the driving connecting rod (7-2) one by one, the left and right symmetric half gears (7-3) are arranged in mesh, the center of the half gear (7-3) is inserted and fixed with the rotating shaft (7-4), and the rotating shaft (7-4) is embedded and rotatably connected in the mounting plate (4) through the bearing.

4. The top frame machine capable of adjusting screen tension according to claim 1, wherein: The clamping mechanism (8) contains: Clamping screw (8-1), the clamping screw (8-1) is two, and it is rotatably connected in the side plate (2) symmetrically, the upper end of the clamping screw (8-1) passes through the top wall of the side plate (2), and then is rotatably connected on the front and rear sides of the clamping plate (8-2) through the bearing, the clamping plate (8-2) is suspended on the upper side of the side plate (2), and the end of the clamping screw (8-1) inside the clamping plate (8-2) is connected through the synchronous wheel transmission assembly; Rotary hand twist (8-3), the rotary hand twist (8-3) is two, and it is fixed on the top end of the clamping screw (8-1), and the rotary hand twist (8-3) is located on the upper side of the clamping plate (8-2). A baffle plate (8-4) is fixed on the lower surface of the clamping plate (8-2), movably inserted into the side plate (2), and located on the side of the clamping screw (8-1) adjacent to the mounting rack (3).

5. The top frame machine of claim 4, wherein: The lower surface of the clamping plate (8-2) and the top wall of the side plate (2) are both fixed with a non-slip pad (12) on the side adjacent to the mounting rack (3).

6. The top frame machine capable of adjusting screen tension according to claim 1, wherein: The adjusting mechanism (9) comprises: A plurality of adjusting rods (9-1) are fixed on the side wall of the side plate (2) on one side, inserted into the grooves on the bottom plate (1), and fixed with a plurality of moving wheels (9-2) on the bottom wall of the adjusting rod (9-1) and the bottom wall of the side plate (2) on one side; Two adjusting screws (9-3) are respectively screwed into the adjusting rods (9-1) on the front and rear sides, one end of each adjusting screw (9-3) is screwed into the side plate (2) through a bearing, and the end of the adjusting screw (9-3) in the side plate (2) is connected through a synchronous wheel transmission assembly; An adjusting motor (9-4) is embedded and fixed in the side plate (2), and the output shaft of the adjusting motor (9-4) is connected to one end of the adjusting screw (9-3).

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