阅读说明：本技术 一种自动绷网机 (Automatic net stretching machine ) 是由 唐志强 李旭 冀胜利 袁小波 谢超 于 2021-08-20 设计创作，主要内容包括：本发明公开了一种自动绷网机,包括机架和安装在机架上的用于安装筛框的筛框底座、用于将筛网压紧在筛框底座上方的压紧机构、用于将筛框底座内的筛框顶升贴合筛网的顶升机构以及用于点胶粘连筛网和筛框的自动点胶机,自动点胶机设置在筛网的上方。本发明的自动绷网机提高了绷筛网的自动化程度,显著降低了工人的劳动强度,也提高了工作效率。(The invention discloses an automatic screen stretching machine which comprises a rack, a screen frame base, a pressing mechanism, a lifting mechanism and an automatic glue dispensing machine, wherein the screen frame base is arranged on the rack and used for mounting a screen frame, the pressing mechanism is used for pressing a screen mesh above the screen frame base, the lifting mechanism is used for lifting the screen frame in the screen frame base to be attached to the screen mesh, the automatic glue dispensing machine is used for dispensing glue and adhering the screen mesh and the screen frame, and the automatic glue dispensing machine is arranged above the screen mesh. The automatic screen stretching machine improves the automation degree of stretching the screen, obviously reduces the labor intensity of workers and also improves the working efficiency.)

1. The utility model provides an automatic screen stretching machine, its characterized in that includes frame (1) and installs be used for in frame (1) installing reel base (3) of reel (2), be used for compressing tightly screen cloth (4) hold-down mechanism (5) of reel base (3) top, be used for laminating reel (2) jacking in reel base (3) climbing mechanism (6) of screen cloth (4) and be used for some glue adhesion automatic point gum machine (7) of screen cloth (4) and reel (2), automatic point gum machine (7) set up the top of screen cloth (4).

2. The automatic screen stretching machine according to claim 1, wherein a limiting groove (31) for installing the screen frame (2) is arranged in the screen frame base (3), and the depth of the limiting groove (31) is smaller than the thickness of the screen frame (2).

3. The automatic screen stretching machine according to claim 1, wherein the pressing mechanism (5) comprises a pressing telescopic piece (51) and a pressing head (52) arranged at the telescopic end of the pressing telescopic piece (51), a screen supporting surface (13) is arranged on the frame (1), and a pressing gap (10) is formed between the pressing head (52) and the screen supporting surface (13).

4. The automatic screen stretching machine according to claim 3, wherein a screen winding mechanism (8) is further mounted on the frame (1), the screen winding mechanism (8) comprises a driving shaft (81), a driven shaft (82) and a rotary driving member (83), one end of the screen (4) is wound on the driving shaft (81), the other end of the screen passes through the compaction gap (10) and is wound on the driven shaft (82), and the rotary driving member (83) is in transmission connection with the driving shaft (81).

5. The automatic screen stretching machine according to claim 1, wherein a measuring module (11) for measuring the magnitude of the jacking force is arranged between the bottom of the jacking mechanism (6) and the frame (1) or between the top of the jacking mechanism (6) and the screen frame base (3).

6. The automatic screen stretching machine according to claim 1, wherein the automatic glue dispenser (7) is further provided with a cutter (12) for cutting the screen (4) at the outer edge of the screen frame (2) after glue dispensing is completed.

7. The automatic screen stretching machine according to claim 1, wherein a push-pull device (9) for pushing the screen frame base (3) out of the frame (1) is further mounted on the frame (1).

8. The automatic screen stretching machine according to claim 7, wherein the push-pull device (9) comprises a push-pull expansion piece (91), a slide rail (92) and a slide block (93), the slide block (93) is in sliding connection with the slide rail (92), the slide block (93) is installed on the lower side of the screen frame base (3), the slide rail (92) is arranged at the top of the jacking mechanism (6), and the expansion end of the push-pull expansion piece (91) is connected with the screen frame base (3).

9. The automatic screen stretching machine according to claim 8, wherein a clamping plate (94) is arranged on one side of the screen frame base (3), the clamping plate (94) and the screen frame base (3) form a clamping groove (95) with a downward opening, and the telescopic end of the push-pull telescopic part (91) is provided with a clamping block (96) for clamping the clamping groove (95) when the screen frame base (3) moves downwards.

10. The automatic screen stretching machine according to any one of claims 1 to 9, wherein the automatic glue dispenser (7) is a multi-axis robot movable along the joint of the screen frame (2) and the screen mesh (4), and the jacking mechanism (6) and the pressing mechanism (5) are symmetrically installed on two sides of the frame (1).

Technical Field

The invention relates to the technical field of powder screening equipment, in particular to an automatic screen stretching machine.

Background

In the powder industry, the working principle of a vibrating screen is that the gravity of an object is utilized to achieve the purposes of filtering and screening powder through mechanical vibration. Wherein, the screen cloth of the vibrating screen becomes a wearing part due to continuous action with the powder, a new screen cloth needs to be replaced after the screen cloth is damaged, and the old screen cloth can be continuously used after the screen cloth is cleaned again.

At present, similar to the stretching machines disclosed in chinese patents CN204020196U and CN102602135B, the stretching of the screen of the vibrating screen in the prior art is performed manually, the screen frame is cleaned, then placed on the stretching machine, then pulled and compressed, and then manually dispensed, and after the glue is dried, the screen is cut along the edge of the screen frame, and the screen is taken out. The automatic stretching machine mainly has the problems of low automation degree, high labor intensity, low net stretching efficiency and the like of a manual net stretching technology; in addition, the tension of the stretched net of the manual net stretching machine is uneven, and the glue dispensing mode is different, so that the quality of the stretched net is difficult to ensure.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects in the prior art and provides an automatic screen stretching machine.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

the utility model provides an automatic screen stretching machine, includes the frame and installs be used for in the frame installing the reel base of reel, be used for compressing tightly the screen cloth the hold-down mechanism of reel base top, be used for the reel jacking laminating in the reel base the climbing mechanism of screen cloth and be used for some glue adhesion the automatic point gum machine of screen cloth and reel, automatic point gum machine sets up the top of screen cloth.

Furthermore, be provided with the spacing recess that is used for installing the reel in the reel base, the degree of depth of spacing recess is less than the thickness of reel.

Furthermore, hold-down mechanism is including compressing tightly the extensible member and installing compress tightly the pressure head of the flexible end of extensible member, be provided with the screen cloth holding surface in the frame, the pressure head with form between the screen cloth holding surface and compress tightly the space.

Further, still install screen cloth winding mechanism in the frame, screen cloth winding mechanism includes driving shaft, driven shaft and rotary driving piece, the one end of screen cloth is convoluteed on the driving shaft, and the other end is followed pass and convolute in compressing tightly the space on the driven shaft, rotary driving piece with the driving shaft transmission is connected.

Furthermore, a measuring module for measuring the magnitude of the jacking force is arranged between the bottom of the jacking mechanism and the frame or between the top of the jacking mechanism and the base of the screen frame.

Further, still install on the automatic point gum machine and be used for some glue to accomplish the back will the cutter of the screen cloth cutting at reel outside border.

Furthermore, a push-pull device used for pushing the screen frame base out of the rack is further installed on the rack.

Furthermore, the push-pull device comprises a push-pull extensible part, a sliding rail and a sliding block, the sliding block is in sliding connection with the sliding rail, the sliding block is installed on the lower side of the screen frame base, the sliding rail is arranged at the top of the jacking mechanism, and the extensible end of the push-pull extensible part is connected with the screen frame base.

Furthermore, a clamping plate is arranged on one side of the screen frame base, a clamping groove with a downward opening is formed by the clamping plate and the screen frame base, and a clamping block for clamping the clamping groove when the screen frame base moves downwards is arranged at the telescopic end of the push-pull telescopic piece.

Further, automatic point gum machine is for can along the multiaxis robot of the junction motion of reel and screen cloth, climbing mechanism and hold-down mechanism all symmetry are installed the both sides of frame.

Compared with the prior art, the invention has the advantages that:

the automatic screen stretching machine improves the automation degree of stretching the screen, obviously reduces the labor intensity of workers and also improves the working efficiency. Furthermore, through the linkage of the push-pull device and the screen winding mechanism, the screen frame is only required to be manually placed on the screen frame, the screen frame is started by one key, the screen is automatically conveyed, the tension is automatically adjusted, the glue is automatically dispensed, and the automatic cutting is realized. Meanwhile, the problem of uneven tension of the screen can be effectively solved by leading in the metering module, and the automatic glue dispenser can effectively realize uniform glue dispensing.

Drawings

FIG. 1 is a schematic front view of an automatic screen stretching machine disclosed in the preferred embodiment of the present invention;

FIG. 2 is a schematic top view of the automatic screen stretching machine disclosed in the preferred embodiment of the present invention;

FIG. 3 is a schematic side view of the automatic screen stretching machine disclosed in the preferred embodiment of the present invention;

fig. 4 is an enlarged schematic view at a of fig. 3.

Illustration of the drawings:

1. a frame; 2. a screen frame; 3. a screen frame base; 31. a limiting groove; 4. screening a screen; 5. a hold-down mechanism; 51. compressing the telescopic piece; 52. a pressure head; 6. a jacking mechanism; 61. a top plate; 7. an automatic dispenser; 71. dispensing a glue head; 8. a screen winding mechanism; 81. a drive shaft; 82. a driven shaft; 83. a rotary drive member; 9. a push-pull device; 91. a push-pull expansion piece; 92. a slide rail; 93. a slider; 94. clamping a plate; 95. a card slot; 96. a clamping block; 10. compacting the gap; 11. a measurement module; 12. a cutter; 13. a screen support surface.

Detailed Description

In order to facilitate understanding of the invention, the invention will be described more fully and in detail with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.

As shown in fig. 1-4, this embodiment discloses an automatic screen stretching machine, including frame 1 and the reel base 3 that is used for installing reel 2 of installing in frame 1, a hold-down mechanism 5 for pressing screen cloth 4 in reel base 3 top, a climbing mechanism 6 for jacking laminating screen cloth 4 with reel 2 in reel base 3 and an automatic glue dispenser 7 that is used for some glue adhesion screen cloth 4 and reel 2, automatic glue dispenser 7 sets up in the top of screen cloth 4, the glue dispensing head 71 of automatic glue dispenser 7 reciprocates through cylinder or lead screw drive. Meanwhile, the automatic dispenser 7 is a multi-axis robot movable along the joint of the screen frame 2 and the screen 4. Thereby, glue top-down injects on the face of being connected of screen cloth 4 and reel 2, avoids from the lower upwards point of gluing to lead to glue instil into ground. The jacking mechanisms 6 and the pressing mechanisms 5 are symmetrically arranged on two sides of the frame 1, namely two sets of the jacking mechanisms and the pressing mechanisms are arranged on two sides of the frame, so that the stress balance of the screen 4 is ensured. Be provided with the spacing recess 31 that is used for installing reel 2 in the reel base 3 to the firm adhesion when guaranteeing to laminate with screen cloth 4 is restricted reel 2's lateral shifting. The depth of the limiting groove 31 is smaller than the thickness of the screen frame 2, so that the upper side of the screen frame 2 is exposed to be attached to the screen 4. And hold-down mechanism 5 is including compressing tightly extensible member 51 and installing the pressure head 52 at the flexible end that compresses tightly extensible member 51, it can select to use to compress tightly the cylinder or compress tightly the hydro-cylinder to compress tightly extensible member 51, be provided with screen cloth holding surface 13 in the frame 1, it compresses tightly space 10 to form between pressure head 52 and the screen cloth holding surface 13, compress tightly screen cloth 4 through pressure head 52 and screen cloth holding surface 13, be used for fixed and tight screen cloth 4, be convenient for with the laminating of reel 2, and the main part of climbing mechanism 6 is jacking cylinder or jacking hydraulic cylinder, the tight screen cloth 4 of upwards laminating of drive reel base 3, thereby be convenient for follow-up automatic dispensing machine 7 carries out some glue and cutting operation. Through foretell setting to show the degree of automation who has promoted screen cloth 4, showing and reducing workman's intensity of labour, also improved work efficiency.

In this embodiment, in order to realize the automation of screen cloth 4 material loading, install the cutter 12 that is used for some glue to cut screen cloth 4 at the outside border of reel 2 after accomplishing on the automatic point gum machine 7 still, cutter 12 passes through cylinder drive up-and-down motion. Therefore, the integrated dispensing and cutting operation is realized, the screen winding mechanism 8 is further installed on the machine frame 1, the screen winding mechanism 8 comprises a driving shaft 81, a driven shaft 82 and a rotary driving part 83, the rotary driving part 83 is a motor, one end of the screen 4 is wound on the driving shaft 81, the other end of the screen 4 penetrates through the compaction gap 10 and is wound on the driven shaft 82, the rotary driving part 83 is in transmission connection with the driving shaft 81, and after the formation of one screen 4 and the screen frame 2 is completed, the driving shaft 81 and the driven shaft 82 synchronously rotate until a new screen 4 covers the upper side of the screen frame base 3.

In this embodiment, the measurement module 11 for measuring the magnitude of jacking force is installed in the support between the below of climbing mechanism 6 and frame 1, and measurement module 11 can select pressure sensor to can indirectly measure the tension of screen cloth 4, and then effectively solve the uneven problem of screen cloth 4 tension, and is optional, and measurement module 11 also can be installed between the top of climbing mechanism 6 and reel base 3, can play same effect.

In this embodiment, still install the push-and-pull device 9 that is used for promoting the reel base 3 to the frame 1 outside after screen cloth 4 and reel 2 bond to take out and put into reel 2 outside equipment at the staff on the frame 1 to the personnel have realized the man-machine separation, have guaranteed personnel's safety, the automatic promotion work of the follow-up reel 2 of also being convenient for transportation. Specifically, in this embodiment, the push-pull device 9 includes a push-pull expansion piece 91, a slide rail 92 and a slide block 93, the push-pull device 9 employs a push-pull cylinder, the slide block 92 is in sliding contact with the slide rail 93, the slide block 93 is installed at the lower side of the screen frame base 3, the slide rail 92 is installed on the top plate 61 above the jacking mechanism 6 in a connected manner, and the expansion end of the push-pull expansion piece 91 is connected with the screen frame base 3. That is, the telescopic end of the push-pull telescopic member 91 and the reel base 3 move synchronously in the transverse direction, while the reel base 3 and the telescopic end of the push-pull telescopic member 91 can move synchronously in the up-down direction. In order to realize the movement, one side of the screen frame base 3 is provided with a clamping plate 94 with an L-shaped section, the clamping plate 94 and the screen frame base 3 form a clamping groove 95 with a downward opening, the telescopic end of the push-pull telescopic piece 91 is provided with a clamping block 96 for clamping the clamping groove 95 when the screen frame base 3 moves downwards, and when the telescopic end of the jacking mechanism 6 drives the screen frame base 3 to move upwards, the telescopic end of the push-pull telescopic piece 91 is separated from the clamping groove 95, so that the screen 4 and the screen frame 2 are bonded; after the bonding is accomplished, climbing mechanism 6's flexible end drive reel base 3 downstream back, draw-in groove 95 is gone into to the flexible end card of push-and-pull extensible member 91 to push away reel base 3 to the outside of frame 1, be convenient for take out screen cloth 4 and reel 2 after the bonding, put into new reel 2 after taking out, then the flexible end drive reel base 3 of push-and-pull extensible member 91 rolls back, carries out jacking bonding screen cloth 4 operation on next step.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.