Screen printing positioning device and lighter adopting screen printing positioning device for printing

Abstract

The utility model discloses a screen printing positioning device which comprises a positioning base, a fixed limiting block and a movable limiting block, the positioning base comprises a spring, a spring groove and a mounting hole, the spring groove is formed in the positioning base, the mounting hole longitudinally penetrates through the positioning base, and the mounting hole is formed in the first side of the positioning base; the fixed limiting block is arranged on the second side of the positioning base, and the fixed limiting block is fixed on the positioning base; the movable limiting block is arranged on the first side of the positioning base, the movable limiting block and the fixed limiting block are oppositely arranged, the movable limiting block and the fixed limiting block are mutually connected through the spring, and the movable limiting block is rotationally connected with the positioning base through a threaded rod arranged in a mounting hole. According to the silk-screen positioning device, the universality and the accuracy of positioning various workpieces by the silk-screen positioning device are improved.

Description

Technical Field

[0001] The utility model relates to the field of shell color printing, in particular to a screen printing positioning device and a lighter adopting the screen printing positioning device. Background Technique

[0002] Screen printing refers to using a screen as the plate base and making a screen printing plate with patterns and texts through a photosensitive plate-making method. Screen printing consists of five major elements: a screen printing plate, a squeegee, ink, a printing table, and a substrate. It uses the basic principle that the mesh holes in the graphic part of the screen printing plate can pass through the ink, while the mesh holes in the non-graphic part cannot pass through the ink for printing. During printing, ink is poured at one end of the screen printing plate, and a certain pressure is applied to the ink part on the screen printing plate with a squeegee, while moving uniformly towards the other end of the screen printing plate. The ink is squeezed from the mesh holes in the graphic part onto the substrate during the movement.

[0003] A screen printing machine is a machine that uses a screen printing plate for printing and belongs to a type of printing machine. A screen printing machine is a machine for printing characters and images and is a general term for machines or equipment used to produce printed products. A screen printing machine is a relatively representative printing device among stencil printing machines. The materials for making the screen can be made of nylon wire, copper wire, steel wire, or stainless steel wire in addition to real silk. It can be divided into a flat screen printing machine, a curved screen printing machine, a rotary screen printing machine, etc. It is found during the debugging of a rotary double-station screen printing machine in the development of flat screen printing that the convenience of product clamping and the repeat positioning accuracy are bottlenecks in the production process, and it is urgent to solve the above problems. Content of the Utility Model

[0004] The utility model provides a screen printing positioning device, which can solve the technical problems of inconvenient product clamping and inaccurate repeat positioning.

[0005] In order to achieve the above object, the utility model provides a screen printing positioning device, including:

[0006] A positioning base, the positioning base includes a spring, a spring groove, and a mounting hole. The spring groove is arranged on the positioning base. The mounting hole penetrates the positioning base longitudinally, and the mounting hole is arranged on the first side of the positioning base;

[0007] A fixed limit block, the fixed limit block is arranged on the second side of the positioning base, and the fixed limit block is fixed on the positioning base;

[0008] A movable limit block, the movable limit block is arranged on the first side of the positioning base, the movable limit block is arranged opposite to the fixed limit block, the movable limit block is connected to the fixed limit block through the spring, and the movable limit block is rotationally connected to the positioning base through a threaded rod arranged in the mounting hole.

[0009] Further, the base further includes a spring groove, the spring includes a first spring, the first spring includes a first end and a second end, the first end of the first spring is disposed in the spring groove, a spring pin is provided at one end of the spring groove close to the fixed limit block, and the first end of the first spring is connected to the spring pin.

[0010] Further, the fixed limit block is L-shaped, the outer edge of the fixed limit block coincides with the edge of the positioning base, a fixing rod is provided below the fixed limit block, and the fixed limit block and the positioning hole fix the fixed limit block on the positioning base through the fixing rod.

[0011] Further, a longitudinal straight channel and a transverse straight channel are provided on the short side of the fixed limit block, the opening of the longitudinal straight channel is above the fixed limit block, the opening of the transverse straight channel is on the side close to the movable limit block, and the longitudinal straight channel and the transverse straight channel communicate with each other.

[0012] Further, the spring further includes a second spring, one end of the second spring extends in the transverse straight channel to the longitudinal straight channel, a fixer is provided in the longitudinal straight channel, and the fixer passes through and inserts into the fixed end of the second spring inserted into the transverse straight channel to fix the second spring in the transverse straight channel.

[0013] Further, the movable limit block includes a moving limit block and a standard jaw, the moving limit block and the standard jaw are oppositely arranged on the positioning base; threaded holes are provided on both the moving limit block and the standard jaw, the threaded holes are aligned with the mounting holes, and the moving limit block and the standard jaw are movably fixed on the positioning base through the fixed cooperation of a threaded rod and a nut; the moving limit block and the standard jaw rotate around the threaded rod.

[0014] Further, the second end of the first spring is fixedly connected to the standard jaw, the pulling force of the first spring elastically fixes the standard jaw on the positioning base, the other end of the second spring is fixedly connected to the moving limit block, and the pulling force of the second spring elastically fixes the moving limit block on the positioning base.

[0015] Further, movable bumps are provided at the movable ends of the standard jaw and the moving limit block, and the movable bumps are used to accommodate and limit the movement of the workpiece placed between the fixed limit block and the movable limit block.

[0016] Further, at least one groove is provided on the fixed limit block, the groove is in close fit with the workpiece, and the groove is provided on the side of the fixed limit block close to the movable limit block.

[0017] Furthermore, a lighter includes a silk-screen pattern which is printed on the lighter by the silk-screen positioning device.

[0018] The utility model provides a silk-screen positioning device. A fixed limiting block for fixing the position of a workpiece is arranged on a positioning base. A moving limiting block and a standard jaw for adjusting the space of the workpiece are arranged on the positioning base. The moving limiting block is connected to the fixed limiting block through a second spring. The standard jaw is connected to a spring groove on the positioning base through a first spring. Both the first spring and the second spring can apply a pulling force to the moving limiting block and the standard jaw to fix the workpiece between the movable limiting block and the fixed limiting block. Both the standard jaw and the moving limiting block can rotate around their threaded rods. By adjusting the rotation of the moving limiting block and the standard jaw, the technical problem of inconvenient workpiece clamping can be solved. The convex blocks on the moving limiting block and the standard jaw can also provide an adaptive and precise position for the workpiece. Thus, the universality and accuracy of the silk-screen positioning device for positioning various workpieces are improved, and the technical effects of improving the workpiece clamping efficiency and reducing the workpiece loss rate are achieved. Description of the Drawings

[0019] The following will, by describing the specific embodiments of the present application in detail with reference to the drawings, make the technical solutions and other beneficial effects of the present application obvious.

[0020] Figure 1 is an exploded structural schematic diagram of the silk-screen positioning device provided by the utility model;

[0021] Figure 2 is a top-view structural schematic diagram of the silk-screen positioning device provided by the utility model;

[0022] Figure 3 is a bottom-view structural schematic diagram of the silk-screen positioning device provided by the utility model;

[0023] The labels in the drawings are: 1, positioning base; 11, spring groove; 12, positioning hole; 13, mounting hole; 111, first spring; 112, spring pin; 2, fixed limiting block; 21, bolt; 22, connection hole; 23, longitudinal straight channel; 24, transverse straight channel; 231, fixer; 3, movable limiting block; 31, second spring; 32, moving limiting block; 33, standard jaw; 321, threaded hole; 322, threaded rod; 323, nut; 34, movable convex block; 35, buckle; 4, bolt hole; 41, fixed rod. Detailed Description of the Embodiments

[0024] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present application.

[0025] In the description of the present application, for the convenience of describing the present application and simplifying the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality of" means two or more, unless otherwise specifically defined.

[0026] As Figure 1 、 Figure 2 、 Figure 3 shown, in the embodiment of the present utility model, a screen printing positioning device is provided, which includes a positioning base 1, a fixed limit block 2 and a movable limit block 3. The positioning base 1 includes a spring groove 11, a positioning hole 12 and a mounting hole 13. The spring groove 11 is provided on the positioning base 1. A first spring 111 is provided in the spring groove 11. One end of the first spring 111 is fixed at one end of the spring groove 11. The positioning hole 12 and the mounting hole 13 both penetrate the positioning base 1 longitudinally; the fixed limit block 2 is provided on the positioning base 1. The edges of the fixed limit block 2 are closely attached to the edges of the positioning base 1. The fixed limit block 2 is fixed on the positioning base 1 through the positioning hole 12 and the fixed connection of the bolt 21; the movable limit block 3 is fixed on the positioning base 1. The movable limit block 3 is arranged opposite to the fixed limit block 2. The movable limit block 3 and the fixed limit block 2 are connected to each other through the first spring 111 and the second spring 31. A space with variable shape is formed between the fixed limit block 2 and the movable limit block 3 through the elastic forces of the first spring 111 and the second spring 31.

[0027] The fixed limit block 2 and the movable limit block 3 oppositely arranged on the positioning base 1 can provide an adjustable placement space for the workpiece. The adjustable placement space enables the silk screen positioning device to be applicable to workpieces of different sizes. The positioning hole 12 is used to fix the fixed limit block 2 on the positioning base 1, and the mounting hole 13 is used to fix the movable limit block 3 on the positioning base 1. The first spring 111 connects the positioning base 1 and the movable limit block 3, and the second spring 31 connects the fixed limit block 2 and the movable limit block 3. Both the first spring 111 and the second spring 31 can apply a pulling force to the movable limit block 3, so that the movable limit block 3 can rebound after the external force on the movable limit block 3 is removed. The automatic rebound can make the positioning efficiency higher, and the flexible adjustable space can improve the convenience of clamping the workpiece.

[0028] In this embodiment, as Figure 1 , Figure 2 , Figure 3 shown, the spring groove 11 is arranged inside the positioning base 1. The depth of the spring groove 11 does not penetrate the positioning base 1. One end of the spring groove 11 is provided with a spring pin 112. One end of the first spring 111 is fixed inside the spring groove 11 through the spring pin 112, and the height of the first spring 111 does not exceed the spring groove 11. The spring groove 11 is an elongated groove on the positioning base 1. The length of the spring groove 11 is longer than that of the first spring 111. When the first spring 111 is in the spring groove 11, the first spring 111 is in a stretched state, and the pulling force of the first spring 111 pulls the standard jaw 33 to make the standard jaw 33 rebound. The spring pin 112 is used to fix the first spring 111 on the positioning base 1. The other end of the first spring 111 is fixed on the standard jaw 33. The height of the first spring 111 is lower than the depth of the spring groove 11, which can ensure that the workpiece remains flat on the silk screen positioning device.

[0029] In this embodiment, as Figure 1 , Figure 2 , Figure 3 shown, the fixed limit block 2 is arranged at a corner of the positioning base 1. The fixed limit block 2 is L-shaped. The outer edges of the long side and the short side of the L-shaped fixed limit block 2 coincide with the edges of the positioning base 1. The L-shaped fixed limit block 2 can transfer the force to the positioning base 1 to the greatest extent. A connecting hole 22 is arranged below the fixed limit block 2. The connecting hole 22 is aligned with the positioning hole 12. The connecting hole 22 of the fixed limit block 2 and the positioning hole 12 fix the fixed limit block 2 on the positioning base 1 through a fixing rod 21. The fixation of the fixing rod 21 can be replaced by a locking device, a clamping device, etc.

[0030] In this embodiment, as Figure 1 ,Figure 2 , Figure 3 As shown in Figure 3 , one end of the second spring 31 extends into the longitudinal straight channel 23 in the transverse straight channel 24. A fixer 231 is provided in the longitudinal straight channel 23. The fixer 231 passes through and inserts into the fixed end of the second spring 31 inserted into the transverse straight channel 24, fixing the second spring 31 in the transverse straight channel 24. The fixer 231 in the longitudinal channel is used to fix the second spring 31 in the transverse straight channel, keeping one end of the second spring 31 stationary.

[0031] In this embodiment, as Figure 1 , Figure 2 , Figure 3 As shown in Figure 1 , Figure 2 , and Figure 3 , the longitudinal straight channel 23 and the transverse straight channel 24 are provided on the short side of the fixed limit block 2. Inside the short side of the L-shaped fixed limit block 2, there are the transverse straight channel 24 and the longitudinal straight channel 23. The transverse straight channel 24 is used to accommodate the second spring 31, and the longitudinal straight channel 23 is used to accommodate the fixer 231 for fixing the second spring 31. The opening of the longitudinal straight channel 23 is above the fixed limit block 2, facilitating the disassembly of the fixer 231. The opening of the transverse straight channel 24 is on the side close to the movable limit block 3. Therefore, one end of the second spring 31 in the transverse straight channel 24 that is not connected to the fixer 231 can be connected to the movable limit block 3 through 35. Thus, the second spring 31 can control the movement of the movable limit block 3.

[0032] In this embodiment, as Figure 1 , Figure 2 , Figure 3As shown, the movable limit block 3 includes a movable limit block 32 and a standard jaw 33. The movable limit block 32 and the standard jaw 33 are oppositely arranged on the positioning base 1. The movable limit block 32 and the standard jaw 33 are arranged oppositely up and down, and can adjust the space from the upper and lower directions respectively, so as to adapt to workpieces from multiple angles, thus achieving the technical effect of adapting to a variety of workpieces; both the movable limit block 32 and the standard jaw 33 are provided with threaded holes 321, threaded rods 322 and nuts 323. The threaded holes 321 are aligned with the mounting holes 13, and the movable limit block 32 and the standard jaw 33 are movably fixed on the positioning base 1 through the fixed cooperation of the threaded rods 322 passing through the threaded holes 321 and the mounting holes 13 and the nuts 323. The matching and fixing of the threaded rods 322 and the nuts 323 in the threaded holes 321 can fix the movable limit block 32 and the standard jaw 33 in the up and down direction; the movable limit block 32 and the standard jaw 33 rotate around the threaded rod 322. The rotation around the threaded rod 322 can make the movable limit block 32 and the standard jaw 33 rotate to adjust the space for accommodating the workpiece, thereby achieving the technical effect that the screen printing positioning device can accommodate a variety of workpieces and improving the utilization rate of the screen printing positioning device.

[0033] In this embodiment, as Figure 1 , Figure 2 , Figure 3 shown, one end of the first spring 111 that is not fixed in the spring groove 11 is fixedly connected to the standard jaw 33. The pulling force of the first spring 111 elastically fixes the standard jaw 33 on the positioning base 1. When the standard jaw 33 is opened to expand the space and the workpiece is placed in the expanded space, after removing the external force on the standard jaw 33, the pulling force of the first spring 111 will bounce the standard jaw 33 back, and the pulling force of the first spring 111 can provide a fixing force for the workpiece in the expanded space to fix the workpiece in the expanded space. One end of the second spring 31 that is not fixed in the horizontal straight channel 24 is fixedly connected to the movable limit block 32. The pulling force of the second spring 31 elastically fixes the movable limit block 32 on the positioning base 1. When the movable limit block 32 is opened to expand the space and the workpiece is placed in the expanded space, after removing the external force on the movable limit block 32, the pulling force of the second spring 31 will bounce the movable limit block 32 back, and the pulling force of the second spring 31 can provide a fixing force for the workpiece in the expanded space to fix the workpiece in the expanded space. In this way, the placement and fixation of the workpiece can be quickly realized by cycling.

[0034] In this embodiment, as Figure 1 , Figure 2 , Figure 3As shown, movable bumps 34 are provided at the movable ends of the standard gripper 33 and the movable limit block 32. The movable bumps 34 are used to accommodate and limit the movement of the workpiece placed between the fixed limit block 2 and the movable limit block 3. The movable bumps 34 can provide an adjustable space for the workpiece. When the workpiece is placed in the adjustable space, the movable bumps 34 can just fit the size of the workpiece, thereby improving the accuracy rate of the silk screen positioning device for the workpiece and also adapting to workpieces of different sizes.

[0035] In this embodiment, as Figure 1 , Figure 2 , Figure 3 shown, at least one groove is provided on the fixed limit block 2. The groove is provided on the fixed limit block 2 close to the movable limit block 3 side. The groove is used to provide an operating space when placing and taking the workpiece. The groove can provide a space for the user to pick and place the workpiece, improving the efficiency of the user to pick up the workpiece, thereby improving the production efficiency.

[0036] In this embodiment, as Figure 1 , Figure 2 , Figure 3 shown, a plurality of bolt holes 4 penetrating through the positioning base 1 are provided on the positioning base 1. The bolt holes 4 fix the positioning base 1 on the workbench through the fixed connection with the fixing rod 41. The connection between the bolt holes 4 and the fixing rod 41 can position the positioning base 1 on the workbench. Fix the positioning base 1 on the workbench. The user opens the standard gripper 33 and the movable limit block 32. At this time, the standard gripper will pull the first spring 111, and the movable limit block 32 will pull the second spring 31. The user then places the workpiece in the expansion space. After removing the forces of the standard gripper 33 and the movable limit block 32, the first spring 111 will pull the standard gripper 33 back, thereby fixing the workpiece in the expansion space. The second spring 31 will pull the movable limit block 32 back, thereby fixing the workpiece in the expansion space. The user repeatedly opens the movable limit block 3, places the workpiece, and then performs the silk screen operation to complete the silk screen operation of the workpiece.

[0037] A lighter, the lighter includes a silk screen pattern. The silk screen positioning device of the present application fixes the lighter and prints the silk screen pattern onto the lighter.

[0038] The utility model provides a screen printing positioning device, which is provided with a fixed limit block for fixing the position of a workpiece on a positioning base, a moving limit block and a standard jaw for adjusting the space of the workpiece on the positioning base. The moving limit block is connected to the fixed limit block through a second spring, and the standard jaw is connected to a spring groove on the positioning base through a first spring. Both the first spring and the second spring can apply a pulling force to the moving limit block and the standard jaw to fix the workpiece between the movable limit block and the fixed limit block. Both the standard jaw and the moving limit block can rotate around their threaded rods. By adjusting the rotation of the moving limit block and the standard jaw, the technical problem of inconvenient workpiece clamping can be solved. Moreover, the bumps on the moving limit block and the standard jaw can also provide an adaptive and accurate position for the workpiece. Thus, the universality and accuracy of the workpiece positioning by the screen printing positioning device are improved, and the technical effects of improving the workpiece clamping efficiency and reducing the workpiece loss rate are achieved.

[0039] The technical features of the above embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0040] The above-described embodiments merely represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. A silk screen positioning device, characterized in that, Comprising: A positioning base, the positioning base includes a spring, a spring groove, and a mounting hole. The spring groove is provided on the positioning base. The mounting hole longitudinally penetrates the positioning base, and the mounting hole is arranged on the first side of the positioning base. A fixed limiting block, the fixed limiting block is fixed on the second side of the positioning base. A movable limiting block, the movable limiting block is arranged on the first side of the positioning base. The movable limiting block and the fixed limiting block are arranged oppositely. The movable limiting block and the fixed limiting block are connected to each other by the spring. The movable limiting block is rotationally connected to the positioning base through a threaded rod arranged in the mounting hole.

2. The screen printing positioning device according to claim 1, wherein The base further includes a spring groove. The spring includes a first spring. The first spring includes a first end and a second end. The first end of the first spring is arranged in the spring groove. A spring pin is provided at one end of the spring groove close to the fixed limiting block. The first end of the first spring is connected to the spring pin.

3. The silk screen positioning device according to claim 2, wherein, The fixed limiting block is L-shaped. The outer edge of the fixed limiting block coincides with the edge of the positioning base. A fixed rod is provided below the fixed limiting block. The fixed limiting block and the positioning hole fix the fixed limiting block on the positioning base through the fixed rod.

4. The silk screen positioning device according to claim 3, characterized in that, A longitudinal straight channel and a transverse straight channel are provided on the short side of the fixed limiting block. The opening of the longitudinal straight channel is above the fixed limiting block. The opening of the transverse straight channel is on the side close to the movable limiting block. The longitudinal straight channel and the transverse straight channel communicate with each other.

5. The silk screen positioning device according to claim 4, characterized in that, The spring further includes a second spring. One end of the second spring extends in the transverse straight channel to the longitudinal straight channel. A fixer is provided in the longitudinal straight channel. The fixer passes through and inserts into the fixed end of the second spring in the transverse straight channel to fix the second spring in the transverse straight channel.

6. The screen printing positioning device according to claim 5, wherein The movable limiting block includes a movable limiting block and a standard jaw. The movable limiting block and the standard jaw are arranged oppositely on the positioning base. Threaded holes are provided on both the movable limiting block and the standard jaw. The threaded holes are aligned with the mounting holes, and the movable limiting block and the standard jaw are movably fixed on the positioning base through the fixed cooperation of the threaded rod and the nut. The movable limiting block and the standard jaw rotate around the threaded rod.

7. A silk screen positioning device according to claim 6, characterized in that, The second end of the first spring is fixedly connected to the standard jaw. The pulling force of the first spring elastically fixes the standard jaw on the positioning base. The other end of the second spring is fixedly connected to the movable limiting block. The pulling force of the second spring elastically fixes the movable limiting block on the positioning base.

8. A silk screen positioning device according to claim 6, characterized in that, Movable convex blocks are provided at the movable ends of both the standard jaw and the movable limiting block. The movable convex blocks are used to accommodate and limit the movement of the workpiece placed between the fixed limiting block and the movable limiting block.

9. A screen printing positioning device according to claim 1, wherein, At least one groove is provided on the fixed limiting block. The groove is in close fit with the workpiece. The groove is provided on the fixed limiting block on the side close to the movable limiting block.

10. A lighter, characterized in that: The lighter includes a silk-screen pattern, and the silk-screen pattern is printed on the lighter by using the silk-screen positioning device according to any one of claims 1-9.

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