CN218084660U - Printing screen frame with adjustable tension - Google Patents

Abstract

The utility model discloses a printing screen frame with adjustable tension, which comprises a screen frame body, wherein a silk screen sliding connector is movably arranged on the screen frame body through a connecting and guiding mechanism, the silk screen sliding connector comprises a silk screen tensioning bottom plate positioned at the bottom of one side of the screen frame body, a tensioning drive plate is arranged on the silk screen tensioning bottom plate, a tensioning screw rod is arranged on the tensioning drive plate, and the tensioning screw rod passes through the screen frame body and is screwed with an adjusting nut; the stretching drive plate is inserted into the inner side of the screen frame body, frame body inner side plates are respectively arranged at two ends of the stretching drive plate, the frame body inner side plates are fixedly connected with corresponding edges of the screen frame body, and the bottom surface of each frame body inner side plate is flush with the bottom surface of the screen stretching bottom plate; and a gauze clamping plate is arranged on the outer side of the inner side plate of the frame body and fixedly connected with the inner side plate of the frame body through screws. Adopt the utility model discloses a tension of silk screen printing plate can be adjusted to the adjustable type printing screen frame of tension, prolongs the life of silk screen printing screen.

Description

Printing screen frame with adjustable tension

Technical Field

The utility model relates to a screen printing is used in screen printing, especially relates to a screen frame's improvement in screen printing is used in printing of photovoltaic cell piece grid line.

Background

The screen printing plate for screen printing is composed of a screen frame and a screen printing plate which is stretched on the screen frame with certain tension and is fixedly connected with the screen frame in an adhesive mode.

The screen printing plate has the advantages that the screen printing plate is scraped and extruded by the scraper in the printing process and is subjected to certain elastic deformation, after the screen printing plate is used for a period of time, the screen printing plate can also be subjected to certain plastic deformation, the print of the screen printing plate subjected to the plastic deformation is blurred, and the printing quality is inevitably influenced, so that if the screen printing plate subjected to the plastic deformation and loosened cannot be recovered by tension, the whole screen plate can only be scrapped, but the screen printing plate and the screen frame are fixedly connected by the adhesive, so that the screen printing plate of the conventional structure cannot be recovered by the tension of the screen printing plate.

SUMMERY OF THE UTILITY MODEL

Not enough to the above-mentioned that prior art exists, the utility model aims to solve the technical problem that a printing screen frame with adjustable tension is provided, it can adjust the tension of silk screen printing plate, prolongs the life of silk screen printing screen.

In order to solve the technical problem, the utility model discloses a printing screen frame with adjustable tension, including the screen frame body, screen sliding connector is movably arranged on the screen frame body through connecting the guiding mechanism, the screen sliding connector includes screen tensioning bottom plate, screen tensioning bottom plate is located the bottom of one side of the screen frame body, a tensioning drive plate is arranged on the screen tensioning bottom plate, the tensioning drive plate is mutually perpendicular to the screen tensioning bottom plate, a tensioning screw rod is arranged on the tensioning drive plate, the tensioning screw rod passes through the screen frame body and is screwed with the adjusting nut; the stretching drive plate is inserted into the inner side of the screen frame body, frame body inner side plates are respectively arranged at two ends of the stretching drive plate, the frame body inner side plates are fixedly connected with corresponding edges of the screen frame body, and the bottom surface of each frame body inner side plate is flush with the bottom surface of the screen stretching bottom plate; and a gauze clamping plate is arranged on the outer side of the inner side plate of the frame body and fixedly connected with the inner side plate of the frame body through screws.

In the structure, the screen frame body is movably provided with the screen sliding connector through the connecting guide mechanism, the screen sliding connector comprises a screen tensioning bottom plate, the screen tensioning bottom plate is positioned at the bottom of one side of the screen frame body, the screen tensioning bottom plate is provided with the tensioning drive plate, the tensioning drive plate is perpendicular to the screen tensioning bottom plate, the tensioning drive plate is provided with the tensioning screw, the tensioning screw penetrates through the screen frame body and is in screwed connection with the adjusting nut, the side edge of the screen printing plate can be adhered to the screen tensioning bottom plate of the screen sliding connector, the screen tensioning bottom plate adhered with the screen printing plate can be driven by the adjusting nut through the tensioning screw and the tensioning drive plate to shift relative to the screen frame body, so that the screen printing plate is tensioned, after the screen printing plate is used for a period of time, if the screen printing plate is elongated and deformed, the adjusting nut can be rotated to drive the screen tensioning bottom plate to shift again through the tensioning screw and the tensioning drive plate, so that the screen printing plate can be tensioned again, and the tension can be adjusted and recovered; the connecting and guiding mechanism ensures that the screen printing plate can not change position deflection in the tensioning process, and the printing quality can be maintained, thereby avoiding the premature scrapping of the screen printing plate and prolonging the service life of the screen printing plate.

And because the tension drive plate is inserted in the inner side of the frame body, the two ends of the tension drive plate are respectively provided with the frame body inner side plates, the frame body inner side plates are fixedly connected with the corresponding edges of the screen frame body, the bottom surface of the frame body inner side plates is flush with the bottom surface of the screen tension bottom plate, the outer sides of the frame body inner side plates are provided with the screen clamping plates, the screen clamping plates are fixedly connected with the frame body inner side plates through screws, so that the two side edges of the screen printing plate adjacent to the side edges of the screen printing plate bonded on the screen tension bottom plate can be tightly clamped and fixedly connected between the outer sides of the frame body inner side plates and the screen clamping plates, the screen printing plate can be ensured to be installed flatly, the use requirements of screen printing are met, the two side edges can be firstly loosened when the screen printing plate is tensioned if necessary, the two side edges are tightly fixed after tensioning, and the screen printing plate is ensured not to be deflected and deformed after being tensioned.

The utility model discloses a preferred embodiment, connect guiding mechanism for setting up dovetail and the dovetail between the face is corresponded with the half tone framework in side on silk screen stretch-draw bottom plate, the length direction of dovetail is perpendicular with the length direction that the half tone framework corresponds the limit. By adopting the embodiment, the dovetail groove and the dovetail joint are used as the connecting and guiding mechanism, so that the screen tensioning bottom plate can be guided and limited in the vertical direction, the left direction and the right direction relative to the screen frame body, and can only shift along the tensioning direction of the screen printing plate, thereby ensuring the precision of the screen printing plate.

The utility model discloses a another kind of preferred embodiment, the dovetail sets up in the half tone framework, and the dovetail that matches with the dovetail sets up on silk screen stretch-draw bottom plate. In this embodiment, the dovetail joint is provided in the screen frame body, so that the rigidity of the screen frame body can be enhanced, and the rigidity reduction and deformation which may be caused by providing the dovetail joint in the screen frame body can be avoided.

In another preferred embodiment of the present invention, the connection guiding mechanism is a guiding hole and a guiding pillar disposed between the screen sliding connector and the screen frame body, and an axial direction of the guiding hole is perpendicular to a length direction of a corresponding side of the screen frame body. By adopting the embodiment, the guide holes and the guide columns are used as the connecting and guiding mechanisms, so that the screen tensioning bottom plate can only displace along the tensioning direction of the screen printing plate relative to the screen frame body, and the precision of the screen printing plate is ensured.

The utility model discloses further preferred embodiment, the guide pillar sets up on the stretch-draw drive plate of silk screen sliding connector, and the guide hole that matches with the guide pillar sets up in the half tone framework. By adopting the embodiment, the connecting and guiding mechanism occupies less space and is reasonable in structure.

In another preferred embodiment of the present invention, one to three tension screws are provided on the tension driving plate. By adopting the embodiment, the requirement that the tension of the screen tensioning bottom plate is adjusted through the tensioning driving plate can be met by one to three tensioning screws.

In a further preferred embodiment of the present invention, the screen sliding connectors are provided in pairs, and the two screen sliding connectors provided in pairs are respectively provided on two opposite sides of the screen frame body. By adopting the embodiment, the tensioning of the screen printing plate can be symmetrically carried out on two opposite sides of the screen printing plate, and the mounting position adjustment and tensioning effects of the screen printing plate are better.

Drawings

The following provides a further detailed description of the adjustable-tension printing frame of the present invention with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of an embodiment of the adjustable-tension printing screen frame of the present invention;

FIG. 2 is a side view of the side of the structural screen slip connector of FIG. 1;

fig. 3 is a schematic structural view of a screen frame in the structure shown in fig. 1;

fig. 4 is a schematic view of the construction of the wire mesh slip connector of the construction of fig. 1.

In the figure: the screen printing device comprises a screen frame body 1, a screen sliding connector 2, a connection guide mechanism 3, an adjusting nut 4, a tensioning screw 5, a frame body inner side plate 6, a screen clamping plate 7, a dovetail joint 8, a screen tensioning bottom plate 9, a tensioning driving plate 10 and a dovetail groove 11.

Detailed Description

In the tension-adjustable printing screen frame shown in fig. 1 and 2, the screen frame body 1 is a component which is in a shape of a Chinese character hui in a plan view, the screen frame body 1 is movably provided with the screen sliding connector 2 through the connecting and guiding mechanism 3, referring to fig. 4, the screen sliding connector 2 comprises a screen tensioning bottom plate 9, a tensioning drive plate 10 is provided on the screen tensioning bottom plate 9, the tensioning drive plate 10 is perpendicular to the screen tensioning bottom plate 9, a tensioning screw 5 is provided on the tensioning drive plate 10, the tensioning screw 5 passes through the screen frame body 1 and is screwed with the adjusting nut 4, a tensioning screw 5 shown in the figure is located in the middle of the tensioning drive plate 10, of course, two or three tensioning screws 5 are uniformly distributed along the length direction of the tensioning drive plate 10, the screen bottom plate 9 is located at the bottom of one side of the screen frame body 1, the tensioning drive plate 10 is inserted into the screen frame body 1, frame body inner side plates 6 are respectively provided at two ends of the tensioning drive plate 10, the frame body inner side plates 6 are fixedly connected with the screen frame body 1 through screws, the bottom surface of the screen tensioning bottom plate 9 is flush with the screen tensioning bottom plate 9, the inner side of the screen frame body 6, and the screen clamping plate 7 is arranged at the outside of the screen frame body, and the screen clamping plate 7 is fixedly connected with the screen clamping plate 7; the screen frame body 1 and the screen sliding connector 2 are both preferably made of aluminum alloy.

In a preferred embodiment, the screen sliding connectors 2 are provided in pairs, and the two screen sliding connectors 2 provided in pairs are respectively provided on two opposite sides of the screen frame 1; referring to fig. 3 and 4, the connection guide mechanism 3 is a dovetail groove 11 and a dovetail 8 which are provided between the upper side surface of the screen tensioning bottom plate 9 and the corresponding surface of the screen frame body 1, the dovetail 8 is provided on the bottom surface of the screen frame body 1, the dovetail groove 11 which is matched with the dovetail 8 is provided on the upper side surface of the screen tensioning bottom plate 9, and the length direction of the dovetail groove 11 is perpendicular to the length direction of the corresponding side of the screen frame body 1.

When the screen printing plate tensioning device is used, opposite sides of the screen printing plate are respectively bonded to the bottom surfaces of screen tensioning bottom plates 9 of corresponding screen sliding connectors 2, the screen sliding connectors 2 are driven by adjusting nuts 4 through tensioning screws 5 and tensioning driving plates 10 to move relative to a screen frame body 1, so that a screen printing plate is located at a proper position and tensioned, after tensioning, each screen sliding connector 2 is locked at an installation position by two adjusting nuts 4, the other two opposite sides of the screen printing plate are adhered to the bottom surfaces of frame inner side plates 6 and clamped and fixedly connected between the outer sides of the inner side frame plates 6 and screen clamping plates 7 through the screen clamping plates 7, and therefore the screen printing plate is assembled.

While the preferred embodiments of the present invention have been illustrated and described, it is not intended to limit the invention to the particular embodiments shown, and modifications and variations are possible. For example, the connection guide mechanism 3 may be a guide hole and a guide post provided between the screen sliding connector 2 and the screen frame body 1, instead of the dovetail groove 11 and the dovetail 8 provided between the upper side surface of the screen tensioning bottom plate 9 and the corresponding surface of the screen frame body 1, the guide post may be provided on the tensioning drive plate 10 of the screen sliding connector 2, the guide hole corresponding to the guide post may be provided on the screen frame body 1, and the axial direction of the guide hole may be perpendicular to the longitudinal direction of the corresponding side of the screen frame body 1. Therefore, any improvement and changes made on the basis of the basic principle of the present invention should be considered as falling within the protection scope of the present invention.

Claims (7)

1. The utility model provides an adjustable type printing screen frame of tension, includes half tone frame body (1), its characterized in that: a silk screen sliding connector (2) is movably arranged on the screen frame body (1) through a connecting guide mechanism (3), the silk screen sliding connector (2) comprises a silk screen stretching bottom plate (9), the silk screen stretching bottom plate (9) is positioned at the bottom of one side of the screen frame body (1), a stretching drive plate (10) is arranged on the silk screen stretching bottom plate (9), the stretching drive plate (10) is perpendicular to the silk screen stretching bottom plate (9), a stretching screw rod (5) is arranged on the stretching drive plate (10), and the stretching screw rod (5) penetrates through the screen frame body (1) and is connected with an adjusting nut (4) in a screwing mode; the stretching drive plate (10) is inserted into the inner side of the screen frame body (1), frame body inner side plates (6) are respectively arranged at two ends of the stretching drive plate (10), the frame body inner side plates (6) are fixedly connected with corresponding edges of the screen frame body (1), and the bottom surfaces of the frame body inner side plates (6) are flush with the bottom surface of the screen stretching bottom plate (9); and a gauze clamping plate (7) is arranged on the outer side of the frame inner side plate (6), and the gauze clamping plate (7) is fixedly connected with the frame inner side plate (6) through screws.

2. The adjustable tension printing frame of claim 1, wherein: the connection guide mechanism (3) is a dovetail groove (11) and a dovetail joint (8) which are arranged between the upper side surface of the screen stretching bottom plate (9) and the corresponding surface of the screen frame body (1), and the length direction of the dovetail groove (11) is vertical to the length direction of the corresponding side of the screen frame body (1).

3. A tension adjustable printing frame as defined in claim 2, wherein: the dovetail joint (8) is arranged on the screen frame body (1), and the dovetail groove (11) matched with the dovetail joint (8) is arranged on the screen stretching bottom plate (9).

4. The adjustable tension printing frame of claim 1, wherein: the connecting and guiding mechanism (3) is a guide hole and a guide post which are arranged between the screen mesh sliding connector (2) and the screen frame body (1), and the axial direction of the guide hole is vertical to the length direction of the corresponding side of the screen frame body (1).

5. The frame according to claim 4, wherein: the guide post is arranged on a tension driving plate (10) of the silk screen sliding connector (2), and the guide hole matched with the guide post is arranged on the screen frame body (1).

6. A tension adjustable printing frame as claimed in claim 1, 2 or 3, wherein: one to three tensioning screws (5) are arranged on the tensioning driving plate (10).

7. A tension adjustable printing frame as defined in claim 1, wherein: the silk screen sliding connectors (2) are arranged in pairs, and the two silk screen sliding connectors (2) which are arranged in pairs are respectively arranged on two opposite sides of the screen frame body (1).

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