CN211363883U

CN211363883U - Table board assembly and screen printing equipment

Info

Publication number: CN211363883U
Application number: CN201922185188.2U
Authority: CN
Inventors: 宋德义; 王志宝; 孙贤; 乔勇; 李书坤
Original assignee: CSI Cells Co Ltd; CSI Solar Power Group Co Ltd
Current assignee: Canadian Solar Inc; CSI Cells Co Ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-28
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a mesa subassembly and screen printing equipment belongs to battery piece manufacturing technical field. The table board assembly comprises a first base and a second base which are sequentially arranged from top to bottom; the table top glass is fixedly arranged on the upper surface of the first base and forms an integrated structure with the first base; the adjusting piece is arranged on the second base and abutted against the first base, and can stretch and retract to adjust the flatness of the table-board glass. A screen printing apparatus comprises a turntable and a plurality of the above-mentioned table-board assemblies uniformly distributed in the circumferential direction of the turntable. The table top glass is directly and fixedly arranged on the first base to form an integrated structure, so that the table top glass cannot be loosened relative to the first base and cannot be cracked; meanwhile, the flatness of the first base is integrally adjusted by the adjusting piece through the second base and the adjusting piece arranged on the second base, so that the leveling of the table-board glass is completed, and the adjusting process is simplified.

Description

Table board assembly and screen printing equipment

Technical Field

The utility model relates to a battery piece makes technical field, especially relates to a mesa subassembly and screen printing equipment.

Background

The screen printing process is an important link in the production process of the battery piece, and has very high requirement on the flatness of a working table surface so as to avoid grid breakage and frequent net breakage of the battery piece. Referring to fig. 1, the conventional work table includes a table base 100 and a table glass 23 'disposed on the table base 100, the table glass 23' is fixed on the table base 100 through a jackscrew 101, if the jackscrew 101 is rotated too tightly, the table glass 23 'is easily broken, and if the jackscrew 101 is rotated too loosely, the table glass 23' cannot be fixed well, and is easily loosened and inclined under the action of subsequent scraping force and vacuum breaking force; the looseness of the table glass 23' cannot be monitored, and can be found only when batch defective parts appear, so that the productivity is seriously influenced; when the table glass 23' is found to be uneven, the adjustment can be performed only by arranging a gasket in a cushioning manner, the adjustment process is complex, the efficiency is low, and the required adjustment precision cannot be achieved.

Therefore, it is desirable to provide a table assembly and a screen printing apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a table board component which can keep the stability of table board glass and meet the efficiency and precision requirements when the table board glass is adjusted;

another object of the utility model is to provide a screen printing equipment can effectively avoid the production of a large amount of defective products in the battery piece printing process.

In order to realize the purpose, the following technical scheme is provided:

a table top assembly comprising:

the first base and the second base are arranged from top to bottom in sequence;

the table top glass is arranged on the upper surface of the first base and forms an integrated structure with the first base;

the adjusting piece is arranged on the second base and abutted against the first base, and can stretch and retract to adjust the flatness of the table-board glass.

Preferably, the second base is of a rectangular structure, four adjusting pieces are arranged, and the four adjusting pieces are respectively located at the center of each edge of the second base.

Preferably, the adjusting piece is a micrometer head, a micrometer head main body of the micrometer head is arranged on the second base, a measuring rod of the micrometer head is abutted to the first base, the extending length of the measuring rod can be adjusted by rotating a knob on the micrometer head main body, and the flatness of the table top glass is adjusted.

Preferably, the adjusting piece is an adjusting bolt, the adjusting bolt penetrates through the second base from bottom to top, the top of the adjusting bolt is abutted to the first base, and the flatness of the table top glass is adjusted by rotating the adjusting bolt for driving.

Preferably, the table top glass and the first base are connected through glue.

Preferably, the second base is provided with a first through hole, and the micrometer head main body is in interference fit with the first through hole.

A screen printing device comprises a rotary table, wherein the table top assembly is arranged on the rotary table.

Preferably, the table top assembly is provided in plurality, and the plurality of table top assemblies are uniformly distributed along the circumferential direction of the turntable.

Preferably, the turntable is further provided with a groove, the shape of the groove is matched with that of the second base, and the second base is located in the groove.

Preferably, the first base is provided with a first mounting hole, the second base is provided with a second mounting hole corresponding to the first mounting hole, and screws sequentially penetrate through the first mounting hole and the second mounting hole to fasten the first base and the second base on the turntable.

Compared with the prior art, the beneficial effects of the utility model are that:

the table top glass is directly and fixedly arranged on the first base to form an integrated structure, so that the table top glass cannot be loosened relative to the first base and cannot be cracked; meanwhile, the flatness of the first base is integrally adjusted by the adjusting piece through the second base and the adjusting piece arranged on the second base, so that the leveling of the table glass is completed, the adjusting process is simplified, and the table glass is accurately adjusted.

Drawings

FIG. 1 is a schematic diagram of a prior art worktop;

fig. 2 is a schematic structural diagram of a screen printing apparatus in an embodiment of the present invention at a first viewing angle;

fig. 3 is a schematic structural diagram of the screen printing apparatus in the embodiment of the present invention at a second viewing angle;

fig. 4 is a schematic structural diagram of the table top assembly according to an embodiment of the present invention.

Reference numerals:

100-a table top base; 101-top thread;

10-a turntable; 20-a table top assembly; 30-a thimble assembly;

21-a first base; 22-a second base; 23. 23' -table glass; 24-micrometer head;

211 — a first mounting hole; 221-a second mounting hole; 241-micrometer head body; 242-measuring rod;

31-a thimble; 32-connecting frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 2 and 3, the present embodiment is directed to disclosing a screen printing apparatus including a turntable 10 and a plurality of table assemblies 20 uniformly distributed in the circumferential direction of the turntable 10, so as to realize a high-efficiency screen printing process of battery pieces; alternatively, in the present embodiment, four table assemblies 20 are provided on the turntable 10, that is, the screen printing of four battery pieces can be performed simultaneously. Specifically, referring to fig. 2 and 4, the table assembly 20 includes a first base 21 and a second base 22 sequentially arranged from top to bottom along a vertical direction; the table top glass 23 is fixedly arranged on the upper surface of the first base 21 and forms an integrated structure with the first base 21; the adjusting piece is arranged on the second base 22, is abutted against the first base 21, can stretch and retract, and further adjusts the flatness of the table top glass 23. In the mesa structure for screen printing provided by the embodiment, the mesa glass 23 is directly and fixedly arranged on the first base 21 to form an integrated structure, so that the mesa glass 23 cannot be loosened relative to the first base 21 and cannot be cracked; meanwhile, the flatness of the first base 21 is integrally adjusted by the adjusting piece through the second base 22 and the adjusting piece arranged on the second base, so that the leveling of the table glass 23 is completed, the adjusting process is simplified, and the table glass 23 can be accurately adjusted.

In this embodiment, referring to fig. 3 and 4, the adjusting member is a micrometer head 24, the micrometer head 24 includes a micrometer head main body 241 and a measuring rod 242 extending out of the micrometer head main body 241, the micrometer head main body 241 is disposed on the second base 22, an end surface of the measuring rod 242 abuts against the first base 21, the extending length of the measuring rod 242 can be adjusted by rotating a knob on the micrometer head main body 241, and then the level of the first base 21 is adjusted, and the specific extending length can be read by a scale on the micrometer head main body 241, so as to help a person to know a specific adjustment amount each time, and repeatedly adjust according to an adjusting effect of the adjustment amount until leveling is completed; the micrometer head 24 is selected as an adjusting piece to adjust the level of the first base 21 in the embodiment, the operation is fast and simple, the specific adjusting amount can be visually obtained, and meanwhile, the minimum scale of the micrometer head 24 is 0.001mm, so that the leveling precision requirement of the table glass 23 can be fully met. Optionally, a first through hole is formed in the second base 22, a second through hole is formed in the turntable 10, and the micrometer head main body 241 is in interference fit with the first through hole after penetrating through the second through hole, so that stable placement on the second base 22 is achieved.

In some other embodiments, the optional adjusting part is an adjusting bolt, the adjusting bolt sequentially penetrates through the turntable 10 and the second base 22 from bottom to top until the top of the adjusting bolt abuts against the first base 21, and by rotating the adjusting bolt, the length of the adjusting bolt extending out of the second base 22 can be changed, so that the flatness adjustment of the first base 21 is completed.

Generally, the first base 21 and the second base 22 of the table top assembly 20 are both rectangular structures, and in order to achieve rapid adjustment of the table top glass 23 on the first base 21, four optional adjusting members are provided, the four adjusting members are respectively located at the central positions of the edges of the second base 22, and rapid and accurate leveling of the table top glass 23 is achieved through the cooperation of the four adjusting members.

Further, the table glass 23 is disposed on the first base 21 by gluing, so as to ensure that the table glass 23 is stably held on the first base 21 and is integrated with the first base 21.

Further, the table top assembly 20 is connected to the turntable 10 through screws, referring to fig. 4, a first mounting hole 211 is formed in the first base 21, a second mounting hole 221 corresponding to the first mounting hole 211 is formed in the second base 22, and the screws sequentially penetrate through the first mounting hole 211 and the second mounting hole 221 to fasten the first base 21 and the second base 22 to the turntable 10 at the same time, so that the table top assembly 20 is stably connected to the turntable 10. When the flatness of the table glass 23 needs to be adjusted, the screws are loosened slightly, then the knob of the micrometer head 24 is rotated to drive the measuring rod 242 to extend or retract until the table glass 23 meets the flatness requirement, the state of the micrometer head 24 is kept unchanged, and then the screws are tightened, so that the adjustment is completed. Optionally, the screw is a hexagon socket head cap screw to keep the appearance of the fastening back surface component 20 flat and avoid affecting the screen printing. Further optionally, still set up the recess on revolving stage 10, the shape of recess and the shape phase-match of second base 22 to make second base 22 can put into the recess, play the effect of spacing second base 22, avoid the skew of second base 22, guarantee the stable of second base 22 on revolving stage 10 and place, and then guarantee the steadiness of whole mesa subassembly 20.

The overall height of the table top assembly 20 is the same as the height of the table top base 100 in the prior art, namely, the original table top base 100 is decomposed into two bases in the implementation, but the overall height is not changed, so that the improvement of corresponding matching parts for matching the novel table top assembly 20 provided by the embodiment by other mechanisms of the screen printing equipment can be avoided, and the equipment transformation cost is reduced.

In specific implementation, when the battery piece to be printed is placed on the corresponding table glass 23, the battery piece is tightly attached to the table glass 23 through vacuum adsorption, vacuum release is performed after printing is finished, and the battery piece needs to be separated from the table glass 23 to prepare for placing the next battery piece. Therefore, the turntable 10 is further provided with a plurality of thimble assemblies 30, and each table top assembly 20 corresponds to one thimble assembly 30; the thimble assembly 30 includes a plurality of thimbles 31, and the revolving stage 10, the first base 21 and the second base 22 are all provided with through holes corresponding to the thimbles 31, and after the thimbles 31 can pass through the revolving stage 10, the second base 22 and the first base 21 from bottom to top in sequence, the printed battery pieces on the table glass 23 are jacked up to complete unloading. Optionally, four thimbles 31 are arranged and are distributed in a rectangular shape; in order to realize consistent jacking actions of the four ejector pins 31, the four ejector pins 31 can be selected to be simultaneously arranged on a connecting frame 32 positioned at the bottom of the rotary table 10, and the connecting frame 32 drives the four ejector pins 31 to synchronously move, so that the battery piece can be jacked better.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A table top assembly, comprising:

a first base (21) and a second base (22) which are arranged from top to bottom in sequence;

the table top glass (23) is arranged on the upper surface of the first base (21) and forms an integrated structure with the first base (21);

the adjusting piece is arranged on the second base (22) and abutted against the first base (21), and can stretch out and draw back to adjust the flatness of the table top glass (23).

2. The table top assembly of claim 1, wherein the second base (22) is rectangular in configuration and the number of adjustment members is four, each of the four adjustment members being centrally located on each edge of the second base (22).

3. The table top assembly according to claim 1 or 2, wherein the adjusting member is a micrometer head (24), a micrometer head main body (241) of the micrometer head (24) is arranged on the second base (22), a measuring rod (242) of the micrometer head (24) is abutted to the first base (21), and the extending length of the measuring rod (242) can be adjusted by rotating a knob on the micrometer head main body (241), so that the flatness of the table top glass (23) can be adjusted.

4. The table top assembly of claim 1 or 2, wherein the adjusting member is an adjusting bolt, the adjusting bolt penetrates through the second base (22) from bottom to top, the top of the adjusting bolt abuts against the first base (21), and the flatness of the table top glass (23) is adjusted by rotating the adjusting bolt.

5. The table top assembly of claim 1, wherein the table top glass (23) is adhesively connected to the first base (21).

6. The table top assembly of claim 3, wherein the second base (22) has a first through hole, and the micrometer head body (241) is in interference fit with the first through hole.

7. A screen printing apparatus comprising a turntable (10), characterized in that the turntable (10) is provided with a table top assembly as claimed in any one of claims 1 to 6.

8. The screen printing apparatus according to claim 7, wherein the table top assembly is provided in plurality, and a plurality of the table top assemblies are evenly distributed along a circumferential direction of the turntable (10).

9. A screen printing apparatus according to claim 7, wherein the turntable (10) is further provided with a recess having a shape matching the shape of the second base (22), the second base (22) being located within the recess.

10. The screen printing apparatus according to claim 7, wherein a first mounting hole (211) is provided on the first base (21), a second mounting hole (221) corresponding to the first mounting hole (211) is provided on the second base (22), and screws are sequentially passed through the first mounting hole (211) and the second mounting hole (221) to fasten the first base (21) and the second base (22) to the turntable (10).