Screen printing positioning mechanism for piece to be printed

Abstract

The utility model is suitable for the technical field of silk-screen printing, and provides a silk-screen positioning mechanism for a piece to be printed. The base is fixedly mounted on the bottom plate; the positioning cover is arranged on the base and used for supporting a piece to be printed; the transverse positioning mechanism and the longitudinal positioning mechanism are mounted on the base and are used for transversely and longitudinally positioning a to-be-printed piece; and the lifting separation mechanism is mounted on the bottom plate and used for controlling the base and the positioning cover to be combined and separated. According to the silk-screen positioning mechanism for the to-be-printed pieces, the to-be-printed pieces of different sizes can be positioned, the to-be-printed pieces can be conveniently placed and taken out, and meanwhile the silk-screen frame and the printing net can be conveniently mounted, dismounted and replaced.

Description

Technical Field

[0001] The utility model belongs to the technical field of screen printing, and particularly relates to a screen printing positioning mechanism for a workpiece to be printed. Background Art

[0002] Screen printing refers to using a screen as a printing plate base and making a screen printing plate with patterns and texts through a photosensitive plate-making method. During printing, ink is poured at one end of the screen printing plate, a squeegee applies a certain pressure to the ink part on the screen printing plate, and at the same time, it moves uniformly towards the other end of the screen printing plate. The ink is squeezed from the mesh holes of the pattern part onto the printing substrate during the movement.

[0003] During the process of screen printing, a positioning device is needed to position the workpiece to be printed. However, the existing screen printing positioning mechanism for the workpiece to be printed is not only inconvenient for positioning workpieces of different sizes, but also inconvenient for placing and taking out the workpiece to be printed. Summary of the Utility Model

[0004] The utility model provides a screen printing positioning mechanism for a workpiece to be printed, aiming to solve the problems in the above background art that the existing screen printing positioning mechanism for the workpiece to be printed is not convenient for positioning workpieces of different sizes and is not convenient for placing and taking out the workpiece to be printed.

[0005] To solve the above problems, the utility model is realized as follows. A screen printing positioning mechanism for a workpiece to be printed includes: a bottom plate; a base fixedly installed on the bottom plate; a positioning cover arranged on the base, and the positioning cover is used to support the workpiece to be printed; a horizontal positioning mechanism and a vertical positioning mechanism installed on the base, and the horizontal positioning mechanism and the vertical positioning mechanism are used to perform horizontal and vertical positioning on the workpiece to be printed; a lifting and separating mechanism installed on the bottom plate, and the lifting and separating mechanism is used to control the combined separation of the base and the positioning cover.

[0006] Preferably, a plurality of limiting grooves are formed on the positioning cover, and a U-shaped plate is fixedly installed on the inner wall of the bottom of the base.

[0007] Preferably, the horizontal positioning mechanism includes: a first double-shaft motor fixedly installed on the inner wall of the bottom of the base; two first screw rods respectively fixedly installed at both ends of the output shaft of the first double-shaft motor and rotatably connected to the inner walls of the U-shaped plate and the base; a plurality of first limiting rods respectively fixedly installed on both sides of the U-shaped plate and fixedly connected to the inner wall of the base; two horizontal sliding plates respectively sleeved on the two first screw rods and respectively slidably connected to the plurality of first limiting rods; two horizontal positioning plates respectively fixedly installed on the two horizontal sliding plates.

[0008] Preferably, the longitudinal positioning mechanism includes: a second bidirectional motor fixedly installed on the U-shaped plate; two second lead screws respectively fixedly installed at both ends of the output shaft of the second bidirectional motor and rotatably connected to the inner wall of the base; a plurality of second limiting rods fixedly installed on the inner wall of the base; two longitudinal sliding plates respectively sleeved on the two second lead screws in a threaded manner and slidably connected to the plurality of second limiting rods; and two longitudinal positioning plates respectively fixedly installed on the two longitudinal sliding plates.

[0009] Preferably, the lifting and separating mechanism includes: a plurality of first electric cylinders fixedly installed on the bottom plate; a plurality of connecting plates respectively fixedly installed on the output rods of the plurality of first electric cylinders and fixedly connected to the positioning cover; a plurality of second electric cylinders respectively fixedly installed on the plurality of connecting plates; a positioning frame fixedly installed on the output rods of the plurality of second electric cylinders; and a plurality of locking mechanisms installed on the positioning frame.

[0010] Preferably, a silk-screen printing frame is arranged on the positioning frame, a silk screen is arranged on the silk-screen printing frame, a plurality of pin slots are formed in the silk-screen printing frame, a plurality of sliding grooves are formed in the inner wall of the positioning frame, a plurality of extension slots are formed in the positioning frame, and sliding holes are formed in the inner walls of the plurality of sliding grooves.

[0011] Preferably, the locking mechanism includes: a sliding rod slidably installed on the sliding hole; a clamping block fixedly installed at one end of the sliding rod and adapted to the pin slot; and a spring slidably sleeved on the sliding rod.

[0012] Preferably, a push plate is fixedly installed on the clamping block, the push plate extends to the outside of the sliding groove, and the push plate is slidably connected to the inner walls on both sides of the extension slot.

[0013] Compared with the related art, the silk-screen printing positioning mechanism for the workpiece to be printed provided by the present utility model has the following beneficial effects:

[0014] Compared with the prior art, for the screen printing positioning mechanism of the workpiece to be printed provided by this solution, the bottom plate serves as the basic support component for installing and fixing other components. The base is fixedly installed on the bottom plate and serves as the main support structure of the positioning mechanism. The positioning cover is arranged on the base to support the workpiece to be printed and ensure its stability during the printing process. The horizontal positioning mechanism and the vertical positioning mechanism are installed on the base and are respectively used for horizontally and vertically positioning the workpiece to be printed to ensure the accuracy of the printing position. The lifting and separating mechanism is installed on the bottom plate and is used to control the combination and separation of the base and the positioning cover, facilitating the placement and removal of the workpiece to be printed and improving production efficiency. Through the horizontal and vertical positioning mechanisms, the workpiece to be printed can be accurately positioned to ensure the accuracy of the printing position. The design of the lifting and separating mechanism makes the combination and separation of the base and the positioning cover more convenient, facilitating the rapid placement and removal of the workpiece to be printed, thereby improving production efficiency. The positioning cover supports the workpiece to be printed and ensures its stability during the printing process, avoiding printing quality problems caused by movement or vibration. The overall structure of the mechanism is reasonably designed, and the functions of each component are clear, making the operation more simple and also facilitating subsequent maintenance and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the schematic diagram of the main sectional view structure of a screen printing positioning mechanism for a workpiece to be printed provided by the present utility model;

[0016] Figure 2 is Figure 1 the schematic diagram of the side sectional view structure of the vertical positioning mechanism in;

[0017] Figure 3 is Figure 1 the three-dimensional assembly structure schematic diagram of the horizontal sliding plate and the horizontal positioning plate in;

[0018] Figure 4 is Figure 1 the enlarged structure schematic diagram of part A shown in;

[0019] Reference numerals: 1, bottom plate; 2, base; 3, positioning cover; 4, limit groove; 5, U-shaped plate; 6, first double-shaft motor; 7, first screw rod; 8, first limit rod; 9, horizontal sliding plate; 10, horizontal positioning plate; 11, second bidirectional motor; 12, second screw rod; 13, second limit rod; 14, vertical sliding plate; 15, vertical positioning plate; 16, first electric cylinder; 17, connecting plate; 18, second electric cylinder; 19, positioning frame; 20, screen printing frame; 21, wire mesh; 22, pin slot; 23, sliding groove; 24, extension groove; 25, sliding hole; 26, sliding rod; 27, clamping block; 28, spring; 29, push plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification, claims and drawings of this application are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification, claims or drawings of this application are used to distinguish different objects and not to describe a specific order; the orientation or positional relationship indicated by the terms "inside", "outside", "left", "right" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as a limitation on the present utility model.

[0021] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of the application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0022] An embodiment of the present utility model provides a screen printing positioning mechanism for a workpiece to be printed, as Figures 1-4 shown, the screen printing positioning mechanism for the workpiece to be printed includes: a bottom plate 1; a base 2 fixedly installed on the bottom plate 1; a positioning cover 3 provided on the base 2, the positioning cover 3 being used to support the workpiece to be printed; a lateral positioning mechanism and a longitudinal positioning mechanism installed on the base 2, the lateral positioning mechanism and the longitudinal positioning mechanism being used to perform lateral and longitudinal positioning on the workpiece to be printed; a lifting and separating mechanism installed on the bottom plate 1, the lifting and separating mechanism being used to control the combination and separation of the base 2 and the positioning cover 3.

[0023] In this embodiment, the bottom plate 1 serves as a basic support component for installing and fixing other components. The base 2 is fixedly installed on the bottom plate 1 and serves as the main support structure of the positioning mechanism. The positioning cover 3 is arranged on the base 2 to support the printing workpiece to ensure its stability during the printing process. The lateral positioning mechanism and the longitudinal positioning mechanism are installed on the base 2 and are respectively used for laterally and longitudinally positioning the printing workpiece to ensure the accuracy of the printing position. The lifting and separating mechanism is installed on the bottom plate 1 and is used to control the combination and separation of the base 2 and the positioning cover 3, facilitating the placement and removal of the printing workpiece and improving production efficiency. Through the lateral and longitudinal positioning mechanisms, the printing workpiece can be accurately positioned to ensure the accuracy of the printing position. The design of the lifting and separating mechanism makes the combination and separation of the base 2 and the positioning cover 3 more convenient, facilitating the rapid placement and removal of the printing workpiece, thereby improving production efficiency. The positioning cover 3 supports the printing workpiece to ensure its stability during the printing process and avoid printing quality problems caused by movement or vibration. The overall structure of the mechanism is reasonably designed, and the functions of each component are clear, making the operation more convenient and also facilitating subsequent maintenance and repair.

[0024] In a further preferred embodiment of the present utility model, a plurality of limiting grooves 4 are formed on the positioning cover 3, and a U-shaped plate 5 is fixedly installed on the inner wall of the bottom of the base 2.

[0025] In this embodiment, the two lateral sliding plates 9 and the two longitudinal sliding plates 15 can be guided and limited through the plurality of limiting grooves 4.

[0026] In a further preferred embodiment of the present utility model, the lateral positioning mechanism includes: a first double-shaft motor 6 fixedly installed on the inner wall of the bottom of the base 2; two first screw rods 7 respectively fixedly installed at both ends of the output shaft of the first double-shaft motor 6 and rotatably connected to the U-shaped plate 5 and the inner wall of the base 2; a plurality of first limiting rods 8 respectively fixedly installed on both sides of the U-shaped plate 5 and fixedly connected to the inner wall of the base 2; two lateral sliding plates 9 respectively sleeved on the two first screw rods 7 and slidably connected to the plurality of first limiting rods 8; two lateral positioning plates 10 respectively fixedly installed on the two lateral sliding plates 9.

[0027] In this embodiment, the first double-shaft motor 6 drives the two first screw rods 7 to rotate, and the rotation of the two first screw rods 7 drives the two lateral sliding plates 9 and the two lateral positioning plates 10 to approach or move away from each other, thereby laterally clamping and fixing the printing workpiece.

[0028] In a further preferred embodiment of the present utility model, the longitudinal positioning mechanism includes: a second bidirectional motor 11 fixedly installed on the U-shaped plate 5; two second screw rods 12 respectively fixedly installed at both ends of the output shaft of the second bidirectional motor 11 and rotatably connected to the inner wall of the base 2; a plurality of second limiting rods 13 fixedly installed on the inner wall of the base 2; two longitudinal sliding plates 14 respectively sleeved on the two second screw rods 12 in a threaded manner and slidably connected to the plurality of second limiting rods 13; two longitudinal positioning plates 15 respectively fixedly installed on the two longitudinal sliding plates 14.

[0029] In this embodiment, the second biaxial motor 11 drives the two second screw rods 12 to rotate, and the rotation of the two second screw rods 12 drives the two longitudinal sliding plates 14 and the two longitudinal positioning plates 15 to approach or move away from each other, so as to longitudinally clamp and fix the printing workpiece.

[0030] In a further preferred embodiment of the present utility model, the lifting and separating mechanism includes: a plurality of first electric cylinders 16 fixedly installed on the bottom plate 1; a plurality of connecting plates 17 respectively fixedly installed on the output rods of the plurality of first electric cylinders 16 and fixedly connected to the positioning cover 3; a plurality of second electric cylinders 18 respectively fixedly installed on the plurality of connecting plates 17; a positioning frame 19 fixedly installed on the output rods of the plurality of second electric cylinders 18; a plurality of locking mechanisms installed on the positioning frame 19.

[0031] In this embodiment, the plurality of first electric cylinders 16 drive the positioning cover 3 to move up and down, so that the two transverse positioning plates 10 and the two longitudinal positioning plates 15 move to the lower part of the positioning cover 3. The plurality of second electric cylinders 18 can drive the positioning frame 19 to move up and down, so as to adjust the distance between the positioning frame 19 and the positioning cover 3, thus facilitating the staff to place and take out the printing workpiece.

[0032] In a further preferred embodiment of the present utility model, a screen printing frame 20 is provided on the positioning frame 19, a screen 21 is provided on the screen printing frame 20, a plurality of pin slots 22 are provided on the screen printing frame 20, a plurality of sliding grooves 23 are provided on the inner wall of the positioning frame 19, a plurality of extension grooves 24 are provided on the positioning frame 19, and sliding holes 25 are provided on the inner walls of the plurality of sliding grooves 23.

[0033] In this embodiment, the screen printing frame 20 and the screen 21 thereon can be used for screen printing of the printing workpiece.

[0034] In a further preferred embodiment of the present utility model, the locking mechanism includes: a sliding rod 26 slidably installed on the sliding hole 25; a clamping block 27 fixedly installed at one end of the sliding rod 26 and adapted to the pin slot 22; a spring 28 slidably sleeved on the sliding rod 26.

[0035] In this embodiment, the spring 28 rebounds to make the clamping block 27 snap into the pin slot 22, thereby fixing the silk screen frame 20 on the positioning frame 19.

[0036] In a further preferred embodiment of the present invention, a push plate 29 is fixedly installed on the clamping block 27. The push plate 29 extends outside the sliding groove 23, and the push plate 29 is slidably connected to the inner walls on both sides of the extension groove 24.

[0037] In this embodiment, the push plate 29 can be used to push the clamping block 27 to move horizontally, so that the clamping block 27 is separated from the pin slot 22, facilitating the disassembly and replacement of the silk screen frame 20 and the silk screen 21.

[0038] In summary, compared with the related art, the present device can not only position workpieces to be printed with different sizes, but also facilitate the placement and removal of the workpieces to be printed. At the same time, it is convenient to install, disassemble and replace the silk screen frame and the printing screen.

[0039] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways.

[0040] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the protection scope of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict, make combinations, additions, deletions or other adjustments to the features in the embodiments of the present invention according to the situation without creative efforts, so as to obtain different technical solutions that are essentially not divorced from the concept of the present invention, and these technical solutions also fall within the scope of protection of the present invention.

Claims

1. A screen printing positioning mechanism for a workpiece to be printed, characterized in that, Comprising: Bottom plate (1); Base (2) fixedly installed on the bottom plate (1); Positioning cover (3) arranged on the base (2), and the positioning cover (3) is used to support the printing piece to be printed; Transverse positioning mechanism and longitudinal positioning mechanism installed on the base (2), and the transverse positioning mechanism and longitudinal positioning mechanism are used to perform transverse and longitudinal positioning on the printing piece to be printed; Lifting and separating mechanism installed on the bottom plate (1), and the lifting and separating mechanism is used to control the combination and separation of the base (2) and the positioning cover (3).

2. The screen printing positioning mechanism for the printed part as described in claim 1, wherein, A plurality of limiting grooves (4) are formed on the positioning cover (3), and a U-shaped plate (5) is fixedly installed on the inner wall of the bottom of the base (2).

3. The screen printing positioning mechanism for the printing workpiece as described in claim 2, wherein The transverse positioning mechanism includes: First double-shaft motor (6) fixedly installed on the inner wall of the bottom of the base (2); Two first screw rods (7) respectively fixedly installed at both ends of the output shaft of the first double-shaft motor (6) and rotatably connected to the inner wall of the U-shaped plate (5) and the base (2); A plurality of first limiting rods (8) respectively fixedly installed on both sides of the U-shaped plate (5) and fixedly connected to the inner wall of the base (2); Two transverse sliding plates (9) respectively threadedly sleeved on the two first screw rods (7) and slidably connected to the plurality of first limiting rods (8); Two transverse positioning plates (10) respectively fixedly installed on the two transverse sliding plates (9).

4. The screen printing positioning mechanism for the printed part as described in claim 2, characterized in that, The longitudinal positioning mechanism includes: Second bidirectional motor (11) fixedly installed on the U-shaped plate (5); Two second screw rods (12) respectively fixedly installed at both ends of the output shaft of the second bidirectional motor (11) and rotatably connected to the inner wall of the base (2); A plurality of second limiting rods (13) fixedly installed on the inner wall of the base (2); Two longitudinal sliding plates (14) respectively threadedly sleeved on the two second screw rods (12) and slidably connected to the plurality of second limiting rods (13); Two longitudinal positioning plates (15) respectively fixedly installed on the two longitudinal sliding plates (14).

5. The screen printing positioning mechanism for the printing workpiece as described in claim 1, characterized in that, The lifting and separating mechanism includes: A plurality of first electric cylinders (16) fixedly installed on the bottom plate (1); A plurality of connecting plates (17) respectively fixedly installed on the output rods of the plurality of first electric cylinders (16) and fixedly connected to the positioning cover (3); A plurality of second electric cylinders (18) respectively fixedly installed on the plurality of connecting plates (17); Positioning frame (19) fixedly installed on the output rods of the plurality of second electric cylinders (18); A plurality of locking mechanisms installed on the positioning frame (19).

6. The screen printing positioning mechanism for the printing workpiece as described in claim 5, characterized in that, A silk screen frame (20) is arranged on the positioning frame (19), a wire mesh (21) is arranged on the silk screen frame (20), a plurality of pin slots (22) are formed on the silk screen frame (20), a plurality of sliding grooves (23) are formed on the inner wall of the positioning frame (19), a plurality of extension grooves (24) are formed on the positioning frame (19), and sliding holes (25) are formed on the inner walls of the plurality of sliding grooves (23).

7. The screen printing positioning mechanism for the printing workpiece as described in claim 6, characterized in that, The locking mechanism includes: Sliding rod (26) slidably installed on the sliding hole (25); A clamping block (27) fixedly installed at one end of the sliding rod (26) and adapted to the pin slot (22); A spring (28) slidably sleeved on the sliding rod (26).

8. The screen printing positioning mechanism for the printed part to be printed according to claim 7, characterized in that, A push plate (29) is fixedly installed on the clamping block (27), the push plate (29) extends to the outside of the sliding groove (23), and the push plate (29) is slidably connected to the inner walls on both sides of the extension groove (24).

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