CN217263541U - Unreeling support - Google Patents

Abstract

The utility model relates to an unreel support, it includes two expansion brackets, be provided with the spliced pole between the expansion bracket, the spliced pole can be injectd two expansion bracket relative positions, be provided with the arcuation board on the expansion bracket, the arc mouth direction of arcuation board is vertical upwards, be provided with normal position pivoted unreeling roller in the arcuation board, it is equipped with plastic film to unreel on the roller, be provided with the lock position post on the expansion bracket, one side that the lock position post is close to unreeling roller is provided with presses the briquetting, it can press to unreel the plastic film on the roller to press the briquetting. This application has the not hard up effect of plastic film when avoiding stopping the work.

Description

Unreeling support

Technical Field

The application relates to the field of film supports, in particular to an unreeling support.

Background

Film coating machines can be divided into two major categories, namely immediate-coating type film coating machines and precoating type film coating machines. Is a special device for paper and film.

The film covering process of the traditional film covering machine is to drive the plastic film which is originally wound on the winding roller to pass through the workbench and finally cover the film so as to finish the work.

In view of the above-mentioned related art, the inventor believes that in the process of laminating, when unreeling the film, the plastic film wound around the winding roller cannot be used in one working process sometimes, thereby causing the plastic film to loosen.

SUMMERY OF THE UTILITY MODEL

In order to avoid the plastic film not hard up when stopping working, this application provides one kind and unreels support.

The application provides an unreel support adopts following technical scheme:

the utility model provides an unreel support, includes two expansion brackets, is provided with the spliced pole between the expansion bracket, and the spliced pole can be injectd two expansion bracket relative position, is provided with the arcuation board on the expansion bracket, and the arc mouth direction of arcuation board is vertical upwards, is provided with normal position pivoted unreeling roller in the arcuation inboard, unreels and goes up around being equipped with plastic film, is provided with the lock position post on the expansion bracket, and one side that the lock position post is close to unreeling roller is provided with presses the briquetting, presses the briquetting and can press the plastic film on unreeling the roller.

Through adopting above-mentioned technical scheme, will twine the unreeling roller that has plastic film and place on the arcuation board, press the plastic film on the unreeling roller through pressing the briquetting, make plastic film can last the lapping, reduced the not compact probability of plastic film.

Optionally, one side of the pressing block close to the unwinding roller is provided with a pressing groove, and the pressing groove is an arc-shaped groove and faces downwards vertically in the arc opening direction.

Through adopting above-mentioned technical scheme, press the groove through having seted up on pressing the piece, through pressing the arc design in groove, can make the better laminating of the plastic film on the unreeling roller press the groove.

Optionally, one side of the arc-shaped plate is provided with a guide plate which is obliquely arranged, the guide plate is obliquely arranged, and the guide plate is obliquely and upwardly arranged in a direction away from the arc-shaped plate with a position where the arc-shaped plate and the guide plate are fixedly connected as a starting point.

Through adopting above-mentioned technical scheme, when dismantling the unreeling roller, will unreel the roller and place on the deflector, through the slope setting of deflector, place the unreeling roller on the deflector, can set up along with the slope of deflector, roll to the arcuation inboard.

Optionally, a plurality of rotating wheels are arranged in the arc-shaped plate, the rotating wheels are perpendicular to the axis of the arc-shaped plate, and the rotating wheels can be perpendicular to the outer peripheral surface of the unwinding roller.

Through adopting above-mentioned technical scheme, reduce the frictional force between unreeling roller and the arcuation board through the runner, make the normal position that carries on that unreels the roller can be more smooth rotate.

Optionally, the unwinding roller is provided with two ratchet wheels, the telescopic frame is provided with a pawl corresponding to the ratchet wheels of the unwinding roller, and the pawl can be abutted against the ratchet wheels.

Through adopting above-mentioned technical scheme, place the unwinding roller on the arcuation board, through ratchet and pawl mutual butt, the restriction unwinding roller can only tend the unilateral and rotate.

Optionally, a spring is arranged between the pressing block and the locking block, and when the distance between the pressing block and the locking column is smaller than a limit value, the spring applies a force to the pressing block to move in a direction away from the locking column.

Optionally, press and be provided with the guide bar on the briquetting, the guide bar sets up in the spring, and the guide bar can be followed vertical direction and slided and connect in the piece of being locked.

By adopting the technical scheme, when the pressing block moves along the vertical direction, the movement direction of the pressing block is limited by the guide rod.

Optionally, the expansion bracket includes casing frame and extension rod, is provided with puller bolt on the casing frame, and puller bolt can inject the relative position that extension rod and casing frame do not change.

By adopting the technical scheme, after the extension rod is moved to the designated position, the relative position of the extension rod and the casing frame is limited to be unchanged by screwing the puller bolt.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the unwinding roller wound with the plastic film is placed on the arc-shaped plate, and the pressing block presses the plastic film on the unwinding roller, so that the plastic film can be continuously coiled, and the probability of incompact plastic film is reduced;

2. when the unwinding roller is detached, the unwinding roller is placed on the guide plate, and the unwinding roller placed on the guide plate can roll into the arc-shaped plate along with the inclined arrangement of the guide plate through the inclined arrangement of the guide plate.

Drawings

Fig. 1 is an overall schematic view of an unwinding support according to the present embodiment.

Fig. 2 is a partial schematic view of an unwinding support protruding support assembly according to the present embodiment.

Description of reference numerals: 1. a telescopic frame; 11. a cannula housing; 12. an extension pole; 13. jacking the bolt; 14. a foot bar; 15. connecting columns; 2. a support assembly; 21. a rotating part; 22. a guide portion; 211. an arc-shaped plate; 212. a rotating wheel; 221. a guide plate; 3. unwinding rollers; 31. a ratchet wheel; 32. a pawl; 33. fixing the rod; 4. a position locking column; 41. pressing a pressing block; 42. pressing a groove; 43. a spring; 44. a guide rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses unreeling support.

Referring to fig. 1 and 2, the unreeling support comprises two telescopic frames 1, the telescopic frames 1 are vertically arranged, each telescopic frame 1 comprises a sleeve frame 11 and an extension rod 12, the extension rod 12 can be connected in the sleeve frame 11 in a sliding mode along the length direction of the extension rod 12, one end, close to the extension rod 12, of the sleeve frame 11 is in threaded connection with a puller bolt 13, the end portion of the puller bolt 13 can be abutted to the outer peripheral face of the extension rod 12, and the puller bolt 13 can limit the relative positions of the extension rod 12 and the sleeve frame 11 to be unchanged; the lower end of the telescopic frame 1 is fixedly connected with a horizontally arranged foot rod 14, and the two foot rods 14 are parallel to each other; a connecting column 15 which is horizontally arranged is arranged between the telescopic frames 1, and the connecting column 15 is vertical to the foot rods 14.

During the use, through according to actual demand, unscrew jack bolt 13, make extension rod 12 can slide in casing rack 11, after removing to the assigned position, through screwing up jack bolt 13, inject the relative position of extension rod 12 and casing rack 11 and do not change, through setting up in foot pole 14 of expansion bracket 1 lower extreme, increase the area of contact on expansion bracket 1 and ground, increase two expansion bracket 1's stability, through setting up the stability that the spliced pole 15 between expansion bracket 1 increases two expansion bracket 1.

Referring to fig. 1 and 2, a support assembly 2 is arranged at the upper end of one side of the telescopic frame 1 close to each other, the support assembly 2 comprises a rotating part 21 and a guide part 22, the rotating part 21 is an arc-shaped plate 211 with an arc opening direction vertically upward, a plurality of rotating wheels 212 are rotatably connected in the arc-shaped plate 211, and the rotating wheels 212 are parallel to the axial direction of the arc-shaped plate 211; the guide portion 22 is a guide plate 221 fixed to one side of the arc plate 211, the guide plate 221 is disposed obliquely, and the guide plate 221 is disposed obliquely upward in a direction away from the arc plate 211 with a position where the arc plate 211 and the guide plate 221 are fixed to each other as a starting point.

Referring to fig. 1 and 2, an unwinding roller 3 is arranged in the support assembly 2, the outer peripheral surface of the end of the unwinding roller 3 is abutted against the rotating wheel 212 of the arc-shaped plate 211, a plastic film is wound around the middle part of the unwinding roller 3, and the axial direction of the unwinding roller 3 is overlapped with the axial direction of the arc-shaped plate 211; ratchet wheels 31 which are coaxially arranged are fixedly connected to the positions, close to the two ends, of the unwinding roller 3, a pawl 32 is arranged at the position, corresponding to the ratchet wheels 31, of the telescopic frame 1, the pawl 32 can be abutted against the ratchet wheels 31, and the claw part of the pawl 32 is arranged in the direction away from the guide plate 221; a horizontally arranged fixed rod 33 is fixedly connected to one side of the telescopic frame 1 close to each other, and one end of the fixed rod 33 far away from the telescopic frame 1 is rotatably connected with the pawl 32.

Referring to fig. 1 and fig. 2, a lock position column 4 horizontally disposed is disposed between the upper ends of the two telescopic frames 1, one side of the lock position column 4 close to the unwinding roller 3 is provided with a pressing block 41, one side of the pressing block 41 close to the unwinding roller 3 is provided with a pressing groove 42, the arc direction of the pressing groove 42 is vertical and downward, a spring 43 is disposed between the pressing block 41 and the lock position column 4, the spring 43 is vertically disposed, one end of the spring 43 is fixedly connected with the pressing block 41, the other end of the spring 43 is fixedly connected with the lock position column 4, one side of the pressing block 41 far away from the unwinding roller 3 is fixedly connected with a vertically disposed guide rod 44, the guide rod 44 is disposed in the spring 43 and the guide rod 44 is coaxially disposed with the spring 43, and the guide rod 44 can be slidably connected in the lock position column 4 along the vertical direction.

The implementation principle of the unreeling support in the embodiment of the application is as follows: firstly, a plastic film is wound on an unwinding roller 3, then the unwinding roller 3 is placed on a guide plate 221 of a support frame, the guide plate 221 guides the motion track of the unwinding roller 3, the unwinding roller 3 moves into an arc-shaped plate 211, the rotating wheel 212 in the arc-shaped plate 211 is abutted with the unwinding roller 3, when the unwinding roller 3 rotates in the arc-shaped plate 211, the friction force between the arc-shaped plate 211 and the unwinding roller 3 can be reduced through the rotation of the rotating wheel 212, after the unwinding roller 3 moves into the arc-shaped plate 211, the pawl 32 is abutted with the ratchet wheel 31, and the unwinding roller 3 is limited to rotate towards one direction only; meanwhile, the pressing block 41 arranged above the unwinding roller 3 moves downwards, the pressing groove 42 formed on the pressing block 41 can be mutually abutted with the plastic film on the unwinding roller 3, the plastic film is always in a roller shape by the thrust of the spring 43 and is attached to the outside of the unwinding roller 3, and the movement direction of the pressing block 41 driven by the spring 43 is limited by the guide rod 44.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an unreel support which characterized in that: the novel plastic film unwinding device comprises two expansion brackets (1), a connecting column (15) is arranged between the expansion brackets (1), the connecting column (15) can limit the relative positions of the two expansion brackets (1), an arc-shaped plate (211) is arranged on each expansion bracket (1), the arc opening direction of the arc-shaped plate (211) vertically faces upwards, an in-situ rotating unwinding roller (3) is arranged in each arc-shaped plate (211), a plastic film is wound on each unwinding roller (3), a locking column (4) is arranged on each expansion bracket (1), a pressing block (41) is arranged on one side, close to each unwinding roller (3), of each locking column (4), and each pressing block (41) can press the plastic film on each unwinding roller (3).

2. The unwinding support of claim 1, wherein: one side of the pressing block (41) close to the unwinding roller (3) is provided with a pressing groove (42), and the pressing groove (42) is an arc-shaped groove with an arc opening facing downwards vertically.

3. The unwinding support according to claim 1, wherein: one side of the arc-shaped plate (211) is provided with an obliquely arranged guide plate (221), the guide plate (221) is obliquely arranged, and the guide plate (221) is obliquely and upwards arranged in a direction away from the arc-shaped plate (211) by taking the position where the arc-shaped plate (211) and the guide plate (221) are fixedly connected with each other as a starting point.

4. The unwinding support of claim 3, wherein: a plurality of rotating wheels (212) are arranged in the arc-shaped plate (211), the axes of the rotating wheels (212) and the arc-shaped plate (211) are perpendicular to each other, and the rotating wheels (212) can be perpendicular to the outer peripheral surface of the unwinding roller (3).

5. The unwinding support according to claim 1, wherein: two ratchet wheels (31) are arranged on the unwinding roller (3), a pawl (32) is arranged at the position, corresponding to the ratchet wheels (31) of the unwinding roller (3), of the expansion bracket (1), and the pawl (32) can be abutted to the ratchet wheels (31).

6. The unwinding support according to claim 1, wherein: a spring (43) is arranged between the pressing block (41) and the locking column (4), and when the distance between the pressing block (41) and the locking column (4) is smaller than a limited value, the spring (43) applies force to the pressing block (41) to move in the direction away from the locking column (4).

7. The unwinding support of claim 2, wherein: the pressing block (41) is provided with a guide rod (44), the guide rod (44) is arranged in the spring (43), and the guide rod (44) can be connected in the locking column (4) in a sliding mode along the vertical direction.

8. The unwinding support of claim 1, wherein: the telescopic frame (1) comprises a casing frame (11) and an extension rod (12), a puller bolt (13) is arranged on the casing frame (11), and the relative position of the extension rod (12) and the casing frame (11) can be limited by the puller bolt (13) and is not changed.

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