CN220742436U - Adjustable screen lifting device and screen printer - Google Patents
Adjustable screen lifting device and screen printer Download PDFInfo
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- CN220742436U CN220742436U CN202322073670.3U CN202322073670U CN220742436U CN 220742436 U CN220742436 U CN 220742436U CN 202322073670 U CN202322073670 U CN 202322073670U CN 220742436 U CN220742436 U CN 220742436U
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- 238000007650 screen-printing Methods 0.000 claims abstract description 73
- 238000007639 printing Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000007790 scraping Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Screen Printers (AREA)
Abstract
The utility model discloses an adjustable screen lifting device and a screen printer, and relates to the technical field of screen printing, wherein the adjustable screen lifting device comprises a support, a supporting wheel connected with the support, an adjusting block provided with a concave cambered surface, an adjusting frame connected with the adjusting block and a screen printing plate connected with the adjusting frame, wherein the concave cambered surface of the adjusting block is abutted with the wheel surface of the supporting wheel, the screen printing plate can be adjusted in a rotating mode, and the adjusting block and the supporting wheel rotate relatively when the screen printing plate is adjusted in a rotating mode. The screen printer comprises the adjustable screen lifting device. The adjustable screen lifting device and the screen printer have the effects of compensating the offset of the screen printing image-text part and improving the printing quality.
Description
Technical Field
The utility model relates to the technical field of screen printing, in particular to an adjustable screen lifting device and a screen printing machine.
Background
Screen printing is one of the processes of using a screen as a substrate and making a print with a graphic by a photosensitive plate making method. Screen printing consists of five major elements, screen printing plate, squeegee, ink, printing table and printing stock. The basic principle that the mesh of the image-text part of the screen plate can be penetrated by ink and the mesh of the non-image-text part can not be penetrated by ink is utilized for printing. When in printing, ink is poured into one end of the screen printing plate, a certain pressure is applied to the ink part on the screen printing plate by the scraping plate, meanwhile, the ink moves at a constant speed towards the other end of the screen printing plate, and the ink is extruded onto a printing stock from the mesh of the image-text part by the scraping plate in the moving process.
However, in actual production, since the screen printing plates of the screen printing machine in the prior art have certain tension, when the printing ink is extruded by the scraping plates, the screen printing plates deform, so that the image-text part on a printed matter is difficult to be completely matched with the image-text part on the screen printing plates, the image-text part on the printed matter can deviate from a preset position, and the printing quality is low.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the problems that in the prior art, the screen printing plate of the screen printer is deformed, so that the image-text part on a printed matter is difficult to be completely matched with the image-text part on the screen printing plate, the image-text part on the printed matter is deviated from a preset position, and the printing quality is low.
In order to solve the above technical problems, the present utility model provides an adjustable net lifting device, including:
a support;
the supporting wheel is connected with the support;
the adjusting block is provided with a concave cambered surface which is abutted with the wheel surface of the supporting wheel;
the adjusting frame is connected with the adjusting block;
the screen printing plate is connected with the adjusting frame and is positioned at the inner side of the adjusting frame;
the screen printing plate can be adjusted in a rotating mode, and when the screen printing plate is adjusted in the rotating mode, the adjusting block and the supporting wheel rotate relatively.
In one embodiment of the present utility model, the screen printing machine further comprises a doctor blade, wherein the doctor blade moves in the screen printing plate, and the axis of the supporting wheel is perpendicular to the moving direction of the doctor blade; the supporting wheels are provided with four groups, and the four groups of supporting wheels are respectively arranged at four corner positions of the adjusting frame.
In one embodiment of the present utility model, the device further comprises an adjusting driving member, one end of the adjusting driving member is connected with the support, and the other end of the adjusting driving member is connected with the adjusting frame.
In one embodiment of the utility model, the adjustment drive comprises an adjustment cylinder and a fisheye fitting, the adjustment cylinder being connected to the support, the adjustment cylinder being connected to the adjustment frame via the fisheye fitting.
In one embodiment of the utility model, further comprising a height adjustment assembly comprising:
two pieces of edge strips are connected with the adjusting frame and are respectively positioned at two sides of the screen printing plate;
the lifting adjusting piece is connected with the edge strip;
the support angle plate comprises a connecting plate and a supporting plate, wherein the connecting plate is arranged at a right angle, the connecting plate is connected with the lifting adjusting piece, the bottom end of the screen printing plate is abutted to the supporting plate, and the screen printing plate is supported by the supporting plate.
In one embodiment of the present utility model, the elevation adjustment member includes:
the lifting seat is connected with the edge strip, and a clamping groove is formed in the lifting seat;
the central screw rod is rotationally connected with the lifting seat and vertically penetrates through the clamping groove;
the shaft center rod is horizontally and slidably connected in the clamping groove, a threaded hole is formed in the shaft center rod, the center screw rod is connected with the threaded hole in a matched mode, and the end portion of the shaft center rod is connected with the supporting angle plate;
when the central screw rod rotates, the shaft center rod is driven to vertically lift in the clamping groove, and the supporting angle plate and the screen printing plate synchronously move along with the shaft center rod.
In one embodiment of the utility model, the lifting adjustment further comprises a screw handle connected to the central screw.
In one embodiment of the utility model, the lifting seat is provided with scales, the supporting angle plate is connected with a movable scale, and the movable scale is arranged in a matching way corresponding to the positions of the scales.
In one embodiment of the utility model, the height adjusting assembly further comprises a pressing cylinder, wherein the fixed end of the pressing cylinder is connected with the supporting angle plate, and the movable end of the pressing cylinder is propped against the upper side of the screen printing plate.
In a second aspect, in order to solve the technical problem, the utility model further provides a screen printing machine, which comprises the adjustable screen lifting device.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the adjustable net lifting device comprises a support, a supporting wheel connected with the support, an adjusting block provided with an inward concave cambered surface, an adjusting frame connected with the adjusting block and a screen printing plate connected with the adjusting frame, wherein the inward concave cambered surface of the adjusting block is abutted with the wheel surface of the supporting wheel, the screen printing plate can be adjusted in a rotating mode, and when the screen printing plate is adjusted in a rotating mode, the adjusting block and the supporting wheel rotate relatively. When the adjustable net lifting device is used, the supporting wheel is abutted with the concave cambered surface of the adjusting block, and the supporting wheel plays a supporting role to ensure the reliable work of the screen printing plate; if the image-text part on the printed matter has an offset condition, an operator can lift one side of the screen printing plate according to the offset, so that the screen printing plate can perform rotation compensation, thereby ensuring the printing accuracy of the image-text part and improving the printing quality; when the screen printing plate rotates, the concave cambered surface of the adjusting block and the supporting wheel synchronously rotate, and after the adjustment is finished, the supporting wheel still plays a supporting role on the adjusting block, so that the reliable operation of the adjustment operation of the screen printing plate is ensured.
The screen printer comprises the adjustable screen lifting device, and the screen printer compensates the offset of the image-text part on the printed matter by arranging the adjustable screen lifting device, so that the printing quality is improved, and the printing efficiency is ensured.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of an adjustable net lifting device in a preferred embodiment of the present utility model;
FIG. 2 is a schematic diagram showing the cooperation of the supporting wheel and the adjusting block in the adjustable net lifting device shown in FIG. 1;
FIG. 3 is a working state diagram of the adjustable net lifting device shown in FIG. 1;
FIG. 4 is a schematic view of a height adjustment assembly of the adjustable net lifting device shown in FIG. 1;
fig. 5 is a schematic view of the structure of the elevation set in the height adjustment assembly shown in fig. 4.
Description of the specification reference numerals: 1. a support; 2. a support wheel; 3. an adjusting block; 31. a concave cambered surface; 4. an adjusting frame; 5. a screen plate; 6. a doctor blade; 7. adjusting the driving member; 71. adjusting a cylinder; 72. a fish eye joint; 8. a height adjustment assembly; 81. edge strips; 82. a lifting adjusting member; 821. a lifting seat; 8211. a clamping groove; 8212. a scale; 822. a central screw; 823. a shaft core rod; 824. screwing the handle; 83. supporting the angle plate; 831. a connecting plate; 832. a support plate; 84. moving the scale; 85. and (5) compacting the air cylinder.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1 to 5, the present utility model discloses an adjustable net lifting device, comprising:
a support 1;
the support wheel 2 is connected with the support 1;
the adjusting block 3 is provided with a concave cambered surface 31, and the concave cambered surface 31 is abutted with the wheel surface of the supporting wheel 2;
the adjusting frame 4 is connected with the adjusting block 3;
the screen printing plate 5 is connected with the adjusting frame 4, and the screen printing plate 5 is positioned at the inner side of the adjusting frame 4;
wherein, screen printing plate 5 can rotate the regulation, and when screen printing plate 5 rotated the regulation, regulating block 3 and backing wheel 2 relative rotation.
Referring to fig. 2 and 3, when the adjustable net lifting device is used, the supporting wheel 2 is abutted with the concave cambered surface 31 of the adjusting block 3, the supporting wheel 2 plays a supporting role, and the reliable work of the screen printing plate 5 is ensured; if the image-text part on the printed matter has an offset, an operator can lift one side of the screen printing plate 5 according to the offset, so that the screen printing plate 5 performs rotation compensation, thereby ensuring the printing accuracy of the image-text part and improving the printing quality; when the screen printing plate 5 rotates, the concave cambered surface 31 of the adjusting block 3 and the supporting wheel 2 synchronously rotate, and after the adjustment is finished, the supporting wheel 2 still plays a supporting role on the adjusting block 3, so that the reliable operation of the adjusting operation of the screen printing plate 5 is ensured.
In the present embodiment, specifically, the support 1 is provided with two groups symmetrically arranged, and the two groups of supports 1 are located on both sides of the screen plate 5, respectively, and the two groups of supports 1 provide a stable mounting base.
In this embodiment, specifically, the adjustable screen lifting device further includes a doctor blade 6, the doctor blade 6 moves in the screen plate 5, and the axis of the supporting wheel 2 is perpendicular to the moving direction of the doctor blade 6; the supporting wheels 2 are provided with four groups, and the four groups of supporting wheels 2 are respectively arranged at four corner positions of the adjusting frame 4.
By arranging four groups of supporting wheels 2, the requirement of offset compensation for the front and back ink scraping process in the printing process is met; when the ink is scraped positively and negatively, the printed image-text parts need to be overlapped in height, and the ink scraping direction of the positive knife is opposite to the ink scraping direction of the negative knife, namely the offset compensation direction of the printing screen is opposite; the four groups of supporting wheels 2 are respectively arranged at two sides of the moving direction of the doctor blade 6, when the screen is lifted, the two groups of supporting wheels 2 are used as fixed supporting points, the other two groups of supporting wheels 2 are used as adjusting supporting points, the corresponding adjustment of two sides of the screen printing plate 5 is realized, and the superposition quality of the positive and negative ink scraping image-text parts is improved.
In this embodiment, as shown in fig. 2 and 3, the adjustable net lifting device preferably further includes an adjusting driving member 7, one end of the adjusting driving member 7 is connected to the support 1, and the other end of the adjusting driving member 7 is connected to the adjusting frame 4. Specifically, the adjustment driving member 7 includes an adjustment cylinder 71 and a fisheye fitting 72, the adjustment cylinder 71 is connected to the support 1, and the adjustment cylinder 71 is connected to the adjustment frame 4 through the fisheye fitting 72.
By setting the adjusting driving member 7, the adjusting control amount of the screen printing plate 5 is convenient to be automatically controlled. The arrangement of the adjustment cylinder 71 and the fisheye fitting 72 improves adjustment reliability. When the adjusting cylinder 71 lifts the screen printing plate 5, the connecting part of the fish-eye joint 72 can rotate to a certain extent, so that the phenomenon of clamping rods is avoided; the specific structure of the fisheye joint 72 is the prior art, and will not be described herein.
In this embodiment, referring to fig. 4 and 5, preferably, the adjustable net lifting device further includes a height adjusting assembly 8, where the height adjusting assembly 8 includes:
two pieces of edge strips 81, wherein the edge strips 81 are connected with the adjusting frame 4, and the two pieces of edge strips 81 are respectively positioned at two sides of the screen printing plate 5;
the lifting adjusting piece 82, the lifting adjusting piece 82 is connected with the edge strip 81;
the support gusset 83, the support gusset 83 includes a connecting plate 831 and a support plate 832 which are arranged at right angles, the connecting plate 831 is connected with the lifting adjusting member 82, the bottom end of the screen plate 5 abuts against the support plate 832, and is supported by the support plate 832.
By arranging the height adjusting assembly 8, the relative positions of the screen printing plate 5 and the printed matter are ensured to be in a preset proper state, and the accuracy of screen printing is ensured. The lifting adjusting member 82 is mounted on the edge strip 81 and can drive the supporting gusset 83 to move up and down, thereby effectively adjusting the position of the screen plate 5.
In the present embodiment, specifically, the elevation adjustment member 82 includes:
lifting seat 821, lifting seat 821 is connected with edge 81, and clamping groove 8211 is opened in lifting seat 821;
the central screw 822, the central screw 822 is rotationally connected with the lifting seat 821, and the central screw 822 vertically penetrates through the clamping groove 8211;
the axle center rod 823 is horizontally and slidably connected in the clamping groove 8211, a threaded hole is formed in the axle center rod 823, the center screw 822 is connected with the threaded hole in a matched mode, and the end portion of the axle center rod 823 is connected with the supporting angle plate 83;
when the center screw 822 rotates, the driving shaft center rod 823 vertically moves up and down in the clamping groove 8211, and the supporting angle plate 83 and the screen plate 5 move synchronously with the shaft center rod 823.
Through setting up center screw 822 and axle center pole 823, lift adjusting part 82 when using, rotate center screw 822, through the threaded connection of center screw 822 and axle center pole 823 and the spacing of draw-in groove 8211 to drive axle center pole 823 carries out the lift removal of vertical direction, supports scute 83 and screen printing plate 5 and follows the synchronous removal of axle center pole 823, and it is convenient to adjust, easy operation.
In this embodiment, the lift adjustment member 82 also preferably includes a twist grip 824, the twist grip 824 being coupled to the center screw 822.
Through setting up and screwing up handle 824, screwing up handle 824 has increaseed the area of contact of self and operating personnel hand, makes things convenient for the operating personnel to drive the rotation of center screw 822 through rotating screwing up handle 824.
In this embodiment, it is preferable that the elevating base 821 is provided with a scale 8212, the supporting angle plate 83 is connected with a movable scale 84, and the movable scale 84 is arranged in a position matching with the scale 8212.
Through setting up scale 8212 and moving scale 84, support scute 83 when the lift, moving scale 84 follows the removal, and moving scale 84 and scale 8212's corresponding line constantly change to make things convenient for the operating personnel to observe the regulation condition, realize accurate regulation, guarantee print quality.
In this embodiment, preferably, the height adjusting assembly 8 further includes a pressing cylinder 85, a fixed end of the pressing cylinder 85 is connected to the supporting gusset 83, and a movable end of the pressing cylinder 85 is pressed against the upper side of the screen plate 5.
Through setting up the cylinder that compresses tightly 85, after the height adjustment of supporting angle board 83 and screen printing plate 5 finishes, compress tightly cylinder 85 with screen printing plate 5 support on supporting angle board 83, improved screen printing plate 5 stability when doctor blade 6 scrapes the ink, ensured screen printing's quality.
The implementation principle of the embodiment is as follows: when the adjustable screen lifting device is used, the lifting adjusting piece 82 adjusts the distance between the screen printing plate 5 and a printed matter to a proper position, and then ink is poured into one side of the screen printing plate 5 far away from the printed matter, and the ink is extruded by the ink scraping knife 6 for printing. When the image-text part on the screen printing plate 5 and the image-text part on the printed matter deviate, the adjusting cylinder 71 drives one side of the screen printing plate 5 to lift according to the deviation direction, and the other side of the screen printing plate 5 is still in supporting connection with the supporting wheel 2 through the adjusting block 3, so that the compensation of the deviation of the image-text part is realized, the high-quality screen printing is rapidly performed, and the production efficiency is improved.
Example two
The utility model also discloses a screen printer comprising the adjustable screen lifting device.
By arranging the adjustable screen lifting device, the screen printer compensates the offset of the image-text part on the printed matter, thereby improving the printing quality and ensuring the printing efficiency.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. An adjustable net lifting device, comprising:
a support;
the supporting wheel is connected with the support;
the adjusting block is provided with a concave cambered surface which is abutted with the wheel surface of the supporting wheel;
the adjusting frame is connected with the adjusting block;
the screen printing plate is connected with the adjusting frame and is positioned at the inner side of the adjusting frame;
the screen printing plate can be adjusted in a rotating mode, and when the screen printing plate is adjusted in the rotating mode, the adjusting block and the supporting wheel rotate relatively.
2. The adjustable net lifting device according to claim 1, wherein: the printing machine also comprises a doctor blade, wherein the doctor blade moves in the silk screen printing plate, and the axis of the supporting wheel is perpendicular to the moving direction of the doctor blade; the supporting wheels are provided with four groups, and the four groups of supporting wheels are respectively arranged at four corner positions of the adjusting frame.
3. The adjustable net lifting device according to claim 1, wherein: the device further comprises an adjusting driving piece, one end of the adjusting driving piece is connected with the support, and the other end of the adjusting driving piece is connected with the adjusting frame.
4. An adjustable net lifting device according to claim 3, wherein: the adjusting driving piece comprises an adjusting cylinder and a fish-eye joint, the adjusting cylinder is connected with the support, and the adjusting cylinder is connected with the adjusting frame through the fish-eye joint.
5. The adjustable net lifting device according to claim 1, wherein: still include the altitude mixture control subassembly, altitude mixture control subassembly includes:
two pieces of edge strips are connected with the adjusting frame and are respectively positioned at two sides of the screen printing plate;
the lifting adjusting piece is connected with the edge strip;
the support angle plate comprises a connecting plate and a supporting plate, wherein the connecting plate is arranged at a right angle, the connecting plate is connected with the lifting adjusting piece, the bottom end of the screen printing plate is abutted to the supporting plate, and the screen printing plate is supported by the supporting plate.
6. The adjustable net lifting device of claim 5, wherein: the lift adjustment member includes:
the lifting seat is connected with the edge strip, and a clamping groove is formed in the lifting seat;
the central screw rod is rotationally connected with the lifting seat and vertically penetrates through the clamping groove;
the shaft center rod is horizontally and slidably connected in the clamping groove, a threaded hole is formed in the shaft center rod, the center screw rod is connected with the threaded hole in a matched mode, and the end portion of the shaft center rod is connected with the supporting angle plate;
when the central screw rod rotates, the shaft center rod is driven to vertically lift in the clamping groove, and the supporting angle plate and the screen printing plate synchronously move along with the shaft center rod.
7. The adjustable net lifting device of claim 6, wherein: the lifting adjusting piece further comprises a screwing handle, and the screwing handle is connected with the central screw rod.
8. The adjustable net lifting device of claim 6, wherein: the lifting seat is provided with scales, the supporting angle plate is connected with a movable scale, and the movable scale is arranged in a matched mode corresponding to the positions of the scales.
9. The adjustable net lifting device of claim 6, wherein: the height adjusting assembly further comprises a pressing cylinder, the fixed end of the pressing cylinder is connected with the supporting angle plate, and the movable end of the pressing cylinder is propped against the upper side of the screen printing plate.
10. A screen printer, characterized by: comprising an adjustable net lifting device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322073670.3U CN220742436U (en) | 2023-08-03 | 2023-08-03 | Adjustable screen lifting device and screen printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322073670.3U CN220742436U (en) | 2023-08-03 | 2023-08-03 | Adjustable screen lifting device and screen printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220742436U true CN220742436U (en) | 2024-04-09 |
Family
ID=90558620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322073670.3U Active CN220742436U (en) | 2023-08-03 | 2023-08-03 | Adjustable screen lifting device and screen printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220742436U (en) |
-
2023
- 2023-08-03 CN CN202322073670.3U patent/CN220742436U/en active Active
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