CN210259010U

CN210259010U - Vacuum double-film-drawing mechanism

Info

Publication number: CN210259010U
Application number: CN201920636114.3U
Authority: CN
Inventors: 魏耀雄
Original assignee: Shanghai Weixiang Machinery Co Ltd
Current assignee: Shanghai Weixiang Machinery Co Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-04-07
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a vacuum double-film-drawing mechanism, which comprises a first synchronous belt drawing device, a second synchronous belt drawing device and a fixed seat, wherein the front side of a first synchronous wheel is provided with a clamping shaft, the front side of a second synchronous wheel is connected with a first bevel gear through a universal driving shaft, a negative pressure cavity is communicated with a vacuum pump through a pipeline, and a through hole is communicated with the negative pressure cavity; a transmission rod is arranged on the front side surface of the fixed seat, the left end of the transmission rod is connected with a transmission wheel, and a second bevel gear is arranged on the surface of the transmission rod; the front side of the transmission rod is provided with a servo motor, and the left side of the servo motor is provided with a driving wheel. The utility model overcomes prior art's is not enough, reasonable in design makes the negative pressure chamber produce the negative pressure through setting up the vacuum pump to can adsorb the hold-in range outside with the packaging film, the drive action wheel of rethread servo motor cooperation planetary reducer high accuracy rotates, thereby drives drive wheel and transfer line and rotates, and rethread second bevel gear drives first bevel gear and rotates, and then makes the hold-in range drive packaging film remove, thereby reaches the effect of drawing the membrane.

Description

Vacuum double-film-drawing mechanism

Technical Field

The utility model relates to a draw membrane technical field of mechanism, concretely relates to two membrane mechanisms that draw in vacuum.

Background

The packaging machine feeds through the material stretching and feeding device in the packaging process, the plastic film forms a barrel shape through the film cylinder, the side face is sealed through the heat longitudinal sealing device, meanwhile, a packaged material is injected into the bag, and the film pulling mechanism for the food packaging machine in the current market pulls the packaging material on the middle packaging bag forming pipe through two pulling devices.

In the prior art, the film drawing device of the bag making device is tightly attached to the forming pipe through the synchronous belt, then the synchronous belt and the forming pipe respectively generate sliding friction force on two surfaces of the film, and the film moves along with the movement of the synchronous belt through the action of the sliding friction force. Although the film can be pulled forwards by the film pulling method, the film and the synchronous belt are easy to slip due to the action of sliding friction force, so that the movement of the film is deviated, the film feeding length is inaccurate, and the film is pulled forwards by the sliding friction force for a larger film width.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of prior art, the utility model provides a two drawing membrane mechanisms in vacuum, the deficiency of prior art has been overcome, and reasonable design, compact structure, make the negative pressure chamber produce the negative pressure through setting up the vacuum pump, thereby can adsorb the packaging film to the hold-in range outside, the high accuracy of rethread servo motor cooperation planetary reducer drives the action wheel and rotates, thereby drive wheel and transfer line rotation, rethread second bevel gear on transfer line surface drives first bevel gear and rotates, then drive first synchronizing wheel and rotate, and then make the hold-in range drive packaging film and remove, thereby reach the effect of drawing the membrane, servo motor directly is driven by first bevel gear and second bevel gear after passing through the drive belt transmission, the bevel gear transmission precision is high, the synchronism is high; the servo motor is matched with the planetary reducer for transmission, so that the control is stable and accurate; the utility model discloses the two drawing films in vacuum that adopt have reduced the friction of packaging film to guaranteed that the condition of skidding relatively between belt and the packaging film reduces, the life-span of drawing the membrane belt is just long, has reached indirectly and has improved work production efficiency, has reduced maintenance workman's intensity of labour.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a vacuum double-film-drawing mechanism comprises a first synchronous belt drawing device, a second synchronous belt drawing device and a fixed seat, wherein the first synchronous belt drawing device and the second synchronous belt drawing device respectively comprise a first synchronous wheel, a second synchronous wheel and a synchronous belt, a clamping shaft is fixedly connected to the front side of the first synchronous wheel, one end of a linkage shaft is fixedly connected to the front side of the second synchronous wheel, the other end of the linkage shaft penetrates through the fixed seat and is fixedly connected with a first bevel gear, the linkage shaft is movably connected with the fixed seat, a plurality of through holes are formed in the surface of the synchronous belt, negative pressure cavities are respectively formed in the first synchronous belt drawing device and the second synchronous belt drawing device, the negative pressure cavities are communicated with a vacuum pump through pipelines, and the through holes are communicated with the negative pressure cavities; the transmission rod is arranged on the front side face of the fixed seat, the right end of the transmission rod is movably connected to the inner surface of the right side of the fixed seat, the left end of the transmission rod penetrates through the left side face of the fixed seat and is fixedly connected with a transmission wheel and is movably connected with the left side face of the fixed seat, the surface of the transmission rod is movably connected with a second bevel gear, and the second bevel gear is matched with the first bevel gear in the direction; the front side of the transmission rod is provided with a servo motor, the left side of the servo motor is movably connected with a driving wheel through a rotating shaft, and the driving wheel is movably connected with a transmission wheel through a transmission belt.

Preferably, the front sides of the first synchronous belt pulling device and the second synchronous belt pulling device are provided with fixing plates, and the clamping shaft and the linkage shaft penetrate through the fixing plates and are movably connected with the fixing plates.

Preferably, the cylinders are fixedly mounted on two sides of the back of the fixing seat, one end of the telescopic rod is movably connected between the cylinders, the movable sleeve is fixedly connected to the surface of the linkage shaft, and the other end of the telescopic rod is fixedly connected to the surface of the movable sleeve.

Preferably, the surface of the transmission rod is movably connected with a sliding block, the second bevel gear is fixedly connected to the side surface of the sliding block, a limiting hole is formed in the surface of the fixed seat, and the sliding block is in sliding connection with the inner surface of the limiting hole.

Preferably, a planetary reducer is arranged between the servo motor and the driving wheel and is movably connected with the rotating shaft.

Preferably, a transition wheel is arranged between the driving wheel and the driving wheel, and the transition wheel is movably connected with the driving wheel and the driving wheel through a transmission belt.

(III) advantageous effects

The embodiment of the utility model provides a two membrane mechanisms that draw in vacuum. The method has the following beneficial effects: the vacuum pump is arranged to enable the negative pressure cavity to generate negative pressure, so that the packaging film can be adsorbed to the outer side of the synchronous belt, the servo motor is matched with the planetary reducer to drive the driving wheel to rotate at high precision, so that the driving wheel and the transmission rod are driven to rotate, the second bevel gear on the surface of the transmission rod drives the first bevel gear to rotate, the first synchronous wheel is driven to rotate, and the synchronous belt drives the packaging film to move, so that the film drawing effect is achieved, the servo motor is directly driven by the first bevel gear and the second bevel gear after being driven by the transmission belt, the bevel gear transmission precision is high, and the synchronism is high; the servo motor is matched with the planetary reducer for transmission, so that the control is stable and accurate; the utility model discloses the two drawing films in vacuum that adopt have reduced the friction of packaging film to guaranteed that the condition of skidding relatively between belt and the packaging film reduces, the life-span of drawing the membrane belt is just long, has reached indirectly and has improved work production efficiency, has reduced maintenance workman's intensity of labour.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic structural view of a front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural view of a top view of the present invention;

the reference numbers in the figures illustrate:

1. a first synchronous belt pulling device; 2. a second synchronous belt pulling device; 3. a fixed seat; 4. a first synchronizing wheel; 5. a second synchronizing wheel; 6. a synchronous belt; 7. a clamping shaft; 8. a linkage shaft; 9. a first bevel gear; 10. a transmission rod; 11. a driving wheel; 12. a second bevel gear; 13. a servo motor; 14. a driving wheel; 15. a fixing plate; 16. a cylinder; 17. a telescopic rod; 18. a movable sleeve; 19. a through hole; 20. a slider; 21. a limiting hole; 22. a planetary reducer; 23. a transition wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

A vacuum double-film-drawing mechanism comprises a first synchronous belt drawing device 1, a second synchronous belt drawing device 2 and a fixed seat 3, wherein the first synchronous belt drawing device 1 and the second synchronous belt drawing device 2 respectively comprise a first synchronous wheel 4, a second synchronous wheel 5 and a synchronous belt 6, a clamping shaft 7 is fixedly connected to the front side of the first synchronous wheel 4, one end of a linkage shaft 8 is fixedly connected to the front side of the second synchronous wheel 5, the other end of the linkage shaft 8 penetrates through the fixed seat 3 and is fixedly connected with a first bevel gear 9, the linkage shaft 8 is movably connected with the fixed seat 3, a plurality of through holes 19 are formed in the surface of the synchronous belt 6, negative pressure cavities are respectively arranged in the first synchronous belt drawing device 1 and the second synchronous belt drawing device 2 and are communicated with a vacuum pump through a pipeline, and the through holes 19 are communicated with the negative pressure cavities; a transmission rod 10 is arranged on the front side face of the fixed seat, the right end of the transmission rod 10 is movably connected to the inner surface of the right side of the fixed seat 3, the left end of the transmission rod 10 penetrates through the left side face of the fixed seat 3 and is fixedly connected with a transmission wheel 11 and movably connected with the left side face of the fixed seat 3, a second bevel gear 12 is movably connected to the surface of the transmission rod 10, and the second bevel gear 12 is matched with the first bevel gear 9 in the direction; the front side of the transmission rod 10 is provided with a servo motor 13, the left side of the servo motor 13 is movably connected with a driving wheel 14 through a rotating shaft, and the driving wheel 14 is movably connected with a transmission wheel 11 through a transmission belt.

The front sides of the first synchronous belt pulling device 1 and the second synchronous belt pulling device 2 are respectively provided with a fixing plate 15, and the clamping shaft 7 and the linkage shaft 8 penetrate through the fixing plate 15 and are movably connected with the fixing plate 15. The fixing plate 15 can not only strengthen the stability of the first synchronous belt pulling device 1 and the second synchronous belt pulling device 2, but also enable the first synchronous wheel 4 and the second synchronous wheel 5 to be positioned on the same axial line.

The utility model discloses a driving device, including fixing base 3, fixed seat, universal driving shaft 8, the equal fixed mounting in fixing base 3 back both sides has cylinder 16, swing joint telescopic link 17's one end between the cylinder 16, universal driving shaft 8 fixed surface is connected with movable sleeve 18, telescopic link 17 other end fixed connection is on movable sleeve 18 surface. The cylinder 16 drives the telescopic rod 17 to move, and then drives the movable sleeve 18 and the linkage shaft 8 to move, so that the distance between the first synchronous belt pulling device 1 and the second synchronous belt pulling device 2 can be controlled, and the film pulling operation is further facilitated.

The surface of the transmission rod is movably connected with a sliding block 20, the second bevel gear 12 is fixedly connected to the side surface of the sliding block 20, a limiting hole 21 is formed in the surface of the fixed seat 3, and the sliding block 20 is in sliding connection with the inner surface of the limiting hole 21.

A planetary reducer 22 is arranged between the servo motor 13 and the driving wheel 14, and the planetary reducer 22 is movably connected with the rotating shaft. The servo motor 13 is matched with the planetary reducer 22 for transmission, and the control is stable and accurate.

A transition wheel 23 is arranged between the driving wheel 14 and the transmission wheel 11, and the transition wheel 23 is movably connected with the driving wheel 14 and the transmission wheel 11 through a transmission belt. The transition wheel 23 enables the driving wheel 14 and the transmission wheel 11 to transmit between through the transmission belt more stably.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a two membrane mechanisms that draw in vacuum, includes first hold-in range pulling device (1), second hold-in range pulling device (2) and fixing base (3), its characterized in that: the first synchronous belt pulling device (1) and the second synchronous belt pulling device (2) respectively comprise a first synchronous wheel (4), a second synchronous wheel (5) and a synchronous belt (6), a clamping shaft (7) is fixedly connected to the front side of the first synchronous wheel (4), one end of a linkage shaft (8) is fixedly connected to the front side of the second synchronous wheel (5), the other end of the linkage shaft (8) penetrates through a fixing seat (3) and is fixedly connected with a first bevel gear (9), the linkage shaft (8) is movably connected with the fixing seat (3), a plurality of through holes (19) are formed in the surface of the synchronous belt (6), negative pressure cavities are respectively formed in the first synchronous belt pulling device (1) and the second synchronous belt pulling device (2), the negative pressure cavities are communicated with a vacuum pump through a pipeline, and the through holes (19) are communicated with the negative pressure cavities; a transmission rod (10) is arranged on the front side face of the fixed seat, the right end of the transmission rod (10) is movably connected to the inner surface of the right side of the fixed seat (3), the left end of the transmission rod (10) penetrates through the left side face of the fixed seat (3) and is fixedly connected with a transmission wheel (11) and movably connected with the left side face of the fixed seat (3), a second bevel gear (12) is movably connected to the surface of the transmission rod (10), and the second bevel gear (12) is matched with the first bevel gear (9) in the direction; the front side of the transmission rod (10) is provided with a servo motor (13), the left side of the servo motor (13) is movably connected with a driving wheel (14) through a rotating shaft, and the driving wheel (14) is movably connected with a transmission wheel (11) through a transmission belt.

2. The vacuum double-film-drawing mechanism according to claim 1, characterized in that: the front sides of the first synchronous belt pulling device (1) and the second synchronous belt pulling device (2) are respectively provided with a fixing plate (15), and the clamping shaft (7) and the linkage shaft (8) penetrate through the fixing plates (15) and are movably connected with the fixing plates (15).

3. The vacuum double-film-drawing mechanism according to claim 1, characterized in that: the utility model discloses a fixing base, including fixing base (3), fixed connection telescopic link (17), universal driving shaft (8), universal driving shaft (18), fixing base (3) back both sides equal fixed mounting have cylinder (16), the one end of swing joint telescopic link (17) between cylinder (16), universal driving shaft (8) fixed surface is connected with movable sleeve (18), telescopic link (17) other end fixed connection is on movable sleeve (18) surface.

4. The vacuum double-film-drawing mechanism according to claim 3, wherein: the surface of the transmission rod is movably connected with a sliding block (20), the second bevel gear (12) is fixedly connected to the side surface of the sliding block (20), a limiting hole (21) is formed in the surface of the fixing seat (3), and the sliding block (20) is in sliding connection with the inner surface of the limiting hole (21).

5. The vacuum double-film-drawing mechanism according to claim 1, characterized in that: a planetary speed reducer (22) is arranged between the servo motor (13) and the driving wheel (14), and the planetary speed reducer (22) is movably connected with the rotating shaft.

6. The vacuum double-film-drawing mechanism according to claim 1, characterized in that: a transition wheel (23) is arranged between the driving wheel (14) and the transmission wheel (11), and the transition wheel (23) is movably connected with the driving wheel (14) and the transmission wheel (11) through a transmission belt.