Printing tool for solving problem of net sticking after printing of light and small workpieces

Abstract

The utility model discloses a printing tool for solving the problem of net sticking after printing of light and small workpieces, which belongs to the technical field of printing tools and comprises a printing clamp, and the lower end of the printing clamp is connected with a base. The base is connected with the air inlet assembly; an inflatable device is mounted on the printing clamp; the inflatable device comprises an air bag, a hollow threaded rod and a sleeve; the lower end of the sleeve is connected with the printing clamp. The hollow threaded rod is in threaded connection with the sleeve. The upper end of the hollow threaded rod is fixedly connected with an air bag. By means of the mode, the workpiece can be further fixed, and the effect that the workpiece cannot move by increasing the contact resistance of the workpiece in the printing clamp is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing tooling, in particular to a printing tooling for solving the problem of light and small workpieces sticking to the screen after printing. Background Art

[0002] During the printing process of the workpiece, due to the certain adhesion of the printing paste, light and small workpieces will adhere to the printing screen, causing damage to the workpiece or poor printing. It is necessary to fix the workpiece in the printing tooling so that it will not shift;

[0003] Chinese patent CN212219598U discloses a double-sided printing tool for a DBC board, comprising a first positioning plate, a first cavity is formed at a first end of the first positioning plate, a plurality of first positioning grooves are formed at a second end of the first positioning plate, each of the first positioning grooves is formed with a first vertical through hole, and the first vertical through hole is connected to the first cavity; the DBC board can be effectively fixed to prevent the DBC board from being stuck to the steel mesh during the printing process;

[0004] However, the above-mentioned DBC plate double-sided printing tool cannot fix the cylindrical light and small workpiece to prevent it from adhering to the printing screen during the printing process.

[0005] Based on this, the utility model designs a printing tool for solving the problem of light and small workpieces sticking to the screen after printing to solve the above problem. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a printing tool for solving the problem of light and small workpieces sticking to the screen after printing.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A printing fixture for solving the problem of light and small workpieces sticking to the screen after printing, comprising a printing fixture, the lower end of which is connected to a base; the base is connected to an air intake assembly; an air expansion device is installed on the printing fixture; the air expansion device comprises an air bag, a hollow threaded rod and a sleeve; the lower end of the sleeve is connected to the printing fixture, the hollow threaded rod is threadedly connected to the sleeve; the upper end of the hollow threaded rod is fixedly connected to the air bag;

[0009] Furthermore, the upper end of the printing fixture is provided with a plurality of positioning grooves for fixing the workpiece at equal intervals, and the lower end of the printing fixture is provided with a plurality of placement grooves at equal intervals. The placement grooves are located directly below the positioning grooves, and the positioning grooves and the placement grooves are connected; the lower end of the sleeve is fixedly connected to the inner bottom of the placement groove.

[0010] Furthermore, the base includes an upper plate and a bottom plate; the upper end of the upper plate is fixedly connected to the printing fixture, the four corners of the upper plate are provided with fixing grooves, the four corners of the bottom plate are provided with threaded grooves, and the upper plate and the bottom plate are fixedly connected.

[0011] Furthermore, the upper plate and the bottom plate are fixedly connected by bolts arranged in the fixing grooves and the threaded grooves.

[0012] Furthermore, the air intake assembly includes an air intake hole, a ventilation horizontal groove, a ventilation vertical groove and a through hole; a penetrating air intake hole is opened in the middle of the bottom plate, and a ventilation horizontal groove and a plurality of ventilation vertical grooves are opened at the upper end of the bottom plate, the ventilation vertical grooves are evenly arranged at equal intervals on both sides of the ventilation horizontal groove, and the air intake hole and the ventilation vertical grooves are connected with the ventilation horizontal grooves; a plurality of through holes are opened on the upper plate, the through holes are directly below the placement groove, and the through holes are connected with the ventilation vertical grooves; the ventilation vertical grooves are connected with the sleeve in the placement groove through the through holes.

[0013] Furthermore, the lower end of the air inlet is connected to an external air delivery device through an air pipe.

[0014] Furthermore, both left and right sides of the printing fixture are provided with pull slots for facilitating the taking of the device.

[0015] Furthermore, a plurality of weight-reducing grooves are provided at equal intervals on the printing fixture.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model places the workpiece in the positioning groove, and before the printing screen and the workpiece are separated after the printing is completed, the external air supply device injects compressed air into the air inlet through the air pipe, the gas enters each ventilation vertical groove through the ventilation horizontal groove, and is then injected into the sleeve and the hollow threaded rod through the through hole, so that the air bag expands to support the workpiece, and the workpiece is further fixed, and the contact resistance of the workpiece in the printing fixture is increased to achieve the workpiece being unable to shift. When the workpiece needs to be taken out, the external air supply device draws air to the air inlet through the air pipe, so that the air bag shrinks, and the workpiece can be taken out. The utility model is convenient, fast and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 The utility model is a three-dimensional printing tool for solving the problem of light and small workpieces sticking to the screen after printing. Figure 1 ;

[0020] Figure 2 This is a front view of a printing tool for solving the problem of light and small workpieces sticking to the screen after printing according to the utility model;

[0021] Figure 3 This is an exploded view of a printing tooling for solving the problem of light and small workpieces sticking to the screen after printing according to the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of an air intake assembly of a printing tool for solving the problem of light and small workpieces sticking to the screen after printing;

[0023] Figure 5 For along Figure 2 AA direction cross-sectional view;

[0024] Figure 6 for Figure 5 Enlarged view of point B in the middle.

[0025] The numbers in the figure represent:

[0026] 1. Printing fixture; 11. Positioning groove; 12. Placement groove; 2. Base; 21. Upper plate; 22. Bottom plate; 23. Fixing groove; 24. Threaded groove; 3. Air intake assembly; 31. Air intake hole; 32. Ventilation horizontal groove; 33. Ventilation vertical groove; 34. Through hole; 4. Workpiece; 5. Drawing groove; 6. Inflating device; 61. Air bag; 62. Hollow threaded rod; 63. Sleeve. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0029] Embodiment 1

[0030] In some embodiments, please refer to the attached instructions. Figure 1-6 A printing fixture for solving the problem of light and small workpieces sticking to the screen after printing, comprising a printing fixture 1, wherein a plurality of positioning grooves 11 for fixing the workpiece 4 are evenly spaced at the upper end of the printing fixture 1, and a plurality of placement grooves 12 are evenly spaced at the lower end of the printing fixture 1, wherein the placement grooves 12 are directly below the positioning grooves 11, and the positioning grooves 11 and the placement grooves 12 are connected;

[0031] The placement grooves 12 are all equipped with an inflatable device 6; the inflatable device 6 includes an airbag 61, a hollow threaded rod 62 and a sleeve 63; the lower end of the sleeve 63 is fixedly connected to the inner bottom of the placement groove 12, and the hollow threaded rod 62 is threadedly connected to the sleeve 63; the upper end of the hollow threaded rod 62 is fixedly connected with the airbag 61; the airbag 61 is arranged inside the positioning groove 11;

[0032] The height of the airbag 61 can be controlled by rotating the hollow threaded rod 62 on the sleeve 63, so that the device can fix workpieces 4 of different heights;

[0033] The lower end of the printing fixture 1 is connected to a base 2; the base 2 includes an upper plate 21 and a bottom plate 22; the upper end of the upper plate 21 is fixedly connected to the printing fixture 1, and the four corners of the upper plate 21 are provided with fixing grooves 23, and the four corners of the bottom plate 22 are provided with threaded grooves 24, and the upper plate 21 and the bottom plate 22 are fixedly connected by bolts arranged in the fixing grooves 23 and the threaded grooves 24;

[0034] The base 2 is connected to the air intake assembly 3; the air intake assembly 3 includes an air intake hole 31, a ventilation transverse groove 32, a ventilation vertical groove 33 and a through hole 34; a through air intake hole 31 is provided in the middle of the bottom plate 22, and a ventilation transverse groove 32 and a plurality of ventilation vertical grooves 33 are provided at the upper end of the bottom plate 22, the ventilation vertical grooves 33 are evenly arranged at equal intervals on both sides of the ventilation transverse groove 32, and the air intake hole 31 and the ventilation vertical groove 33 are both connected to the ventilation transverse groove 32; a plurality of through holes 34 are provided on the upper plate 21, the through holes 34 are directly below the placement groove 12, and the through holes 34 are connected to the ventilation vertical groove 33; the ventilation vertical groove 33 is connected to the sleeve 63 in the placement groove 12 through the through hole 34;

[0035] The lower end of the air inlet 31 is connected to an external air delivery device through an air pipe;

[0036] Both left and right sides of the printing fixture 1 are provided with pull slots 5 for facilitating the taking of the device;

[0037] A plurality of weight-reducing grooves are provided at equal intervals on the printing fixture 1 to reduce the overall weight of the device;

[0038] The workpiece 4 is placed in the positioning groove 11. After printing is completed and before the printing screen and the workpiece 4 are separated, the external air supply device injects compressed air into the air inlet 31 through the air pipe. The gas enters each ventilation vertical groove 33 through the ventilation transverse groove 32, and is then injected into the sleeve 63 and the hollow threaded rod 62 through the through hole 34, so that the airbag 61 expands to support the workpiece 4, further fixing the workpiece 4, and achieving the goal of preventing the workpiece 4 from shifting by increasing the contact resistance of the workpiece 4 in the printing fixture 1. When the workpiece 4 needs to be taken out, the external air supply device draws air into the air inlet 31 through the air pipe, causing the airbag 61 to shrink, and the workpiece 4 can be taken out. This is convenient, fast and practical.

[0039] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A printing fixture for solving the problem of light and small workpieces sticking to the screen after printing, comprising a printing fixture (1), characterized in that: The lower end of the printing fixture (1) is connected to a base (2); the base (2) is connected to an air intake assembly (3); an air expansion device (6) is installed on the printing fixture (1); the air expansion device (6) comprises an air bag (61), a hollow threaded rod (62) and a sleeve (63); the lower end of the sleeve (63) is connected to the printing fixture (1), and the hollow threaded rod (62) is threadedly connected to the sleeve (63); the upper end of the hollow threaded rod (62) is fixedly connected to the air bag (61).

2. The printing tool for solving the problem of light and small workpieces sticking to the screen after printing according to claim 1 is characterized in that: The upper end of the printing fixture (1) is provided with a plurality of positioning grooves (11) for fixing the workpiece (4) at equal intervals, and the lower end of the printing fixture (1) is provided with a plurality of placement grooves (12) at equal intervals. The placement grooves (12) are located directly below the positioning grooves (11), and the positioning grooves (11) and the placement grooves (12) are connected; the lower end of the sleeve (63) is fixedly connected to the inner bottom of the placement groove (12).

3. The printing tool for solving the problem of light and small workpieces sticking to the screen after printing according to claim 2, characterized in that: The base (2) comprises an upper plate (21) and a bottom plate (22); the upper end of the upper plate (21) is fixedly connected to the printing fixture (1); fixing grooves (23) are provided at the four corners of the upper plate (21); threaded grooves (24) are provided at the four corners of the bottom plate (22); and the upper plate (21) and the bottom plate (22) are fixedly connected.

4. The printing tool for solving the problem of light and small workpieces sticking to the screen after printing according to claim 3 is characterized in that: The upper plate (21) and the bottom plate (22) are fixedly connected by bolts arranged in the fixing groove (23) and the threaded groove (24).

5. The printing tool for solving the problem of light and small workpieces sticking to the screen after printing according to claim 4 is characterized in that: The air intake assembly (3) comprises an air intake hole (31), a ventilation transverse groove (32), a ventilation vertical groove (33) and a through hole (34); a through air intake hole (31) is provided in the middle of the bottom plate (22); a ventilation transverse groove (32) and a plurality of ventilation vertical grooves (33) are provided at the upper end of the bottom plate (22); the ventilation vertical grooves (33) are evenly arranged at equal intervals on both sides of the ventilation transverse groove (32); and the air intake hole (31) and the ventilation vertical grooves (33) are both connected to the ventilation transverse groove (32); a plurality of through holes (34) are provided on the upper plate (21); the through holes (34) are directly below the placement groove (12), and the through holes (34) are connected to the ventilation vertical grooves (33); the ventilation vertical grooves (33) are connected to the sleeve (63) in the placement groove (12) through the through holes (34).

6. The printing tool for solving the problem of light and small workpieces sticking to the screen after printing according to claim 5, characterized in that: The lower end of the air inlet (31) is connected to an external air delivery device through an air pipe.

7. The printing tool for solving the problem of light and small workpieces sticking to the screen after printing according to claim 6, characterized in that: Both left and right sides of the printing fixture (1) are provided with drawing grooves (5) for facilitating taking out the device.

8. The printing tool for solving the problem of light and small workpieces sticking to the screen after printing according to claim 7, characterized in that: A plurality of weight-reducing grooves are arranged at equal intervals on the printing fixture (1).

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