CN218260319U

CN218260319U - PU transport mechanism for soft bag leak detection

Info

Publication number: CN218260319U
Application number: CN202222621357.4U
Authority: CN
Inventors: 赵佳俊; 赵洪振; 刘建; 邵建设
Original assignee: Shanghai Mengtai Optoelectronic Instrument Equipment Co ltd; Huanggang Normal University
Current assignee: Shanghai Mengtai Optoelectronic Instrument Equipment Co ltd; Huanggang Normal University
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-01-10
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a PU transport mechanism for leak hunting of soft bag, there is the backup pad of distance including two sets of opposite faces, the parallel first transmission shaft of two at least axes, its both ends are passed through the bearing and are fixed in both sides in the backup pad, be formed with circular recess on the circumference of first transmission shaft, just the recess is followed the length direction of first transmission shaft is provided with the multiunit, and is two sets of between the first transmission shaft the elastic webbing has been cup jointed to the recess outside. The device passes through the elastic band mutual independence on bag pressing mechanism and the below conveyer belt, exists the space between each other, and the elastic band is the pu material simultaneously, has better elasticity, and after two or more infusion soft bags overlap together, because the elastic band is the pu material, the shape of adaptation infusion soft bag that can be better, takes place the deformation simultaneously, the infusion bag that the conveyer belt too big and cause to infusion soft bag's extrusion can not appear breaks, influences the normal work of leak hunting.

Description

PU transport mechanism for soft bag leak detection

Technical Field

The utility model relates to a technical field that soft bag detected especially relates to a PU transport mechanism for soft bag leak hunting.

Background

After the infusion soft bag is manufactured, in order to avoid the situation that liquid leakage occurs when the infusion soft bag is used due to the existence of micropores on the surface of the infusion soft bag, quality detection needs to be carried out on the infusion soft bag, in the existing liquid leakage detection mode, leakage detection is carried out on the infusion soft bag which is conveyed through a conveying belt through a detection electrode, the existing conveying belt is generally a whole, meanwhile, PVC is generally selected as a material, the elasticity of the whole conveying belt is poor due to the large size when the whole conveying belt is used as a whole, when the existing leakage detection machine conveys the infusion soft bag, in order to keep the conveying stability of the infusion soft bag and reduce displacement deviation, a bag pressing mechanism is generally arranged above the infusion soft bag, a conveying belt which is in the same direction as the conveying belt below is also arranged in the bag pressing mechanism, but the rotating directions are opposite, when two or more soft bags are overlapped, the elasticity of the conveying belt is poor, the distance between the bag pressing and the conveying belt is a certain distance, the infusion bag cannot pass through the infusion soft bag, or the leakage detection cannot be continuously detected even affects the whole machine due to compression.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a PU transmission mechanism for detecting leakage of a soft bag, which comprises two groups of supporting plates with a distance between opposite surfaces;

the two ends of the first transmission shafts are fixed on the supporting plates at the two sides through bearings;

a plurality of groups of circular grooves are formed in the circumference of the first transmission shaft and arranged along the length direction of the first transmission shaft, and elastic belts are sleeved outside the grooves between the two groups of first transmission shafts.

As a further description of the above technical solution, the width of the elastic belt is adapted to the width of the groove, and the gap distance between adjacent elastic belts is equal.

As a further description of the above technical solution, a bag pressing shell is arranged above the supporting plate, at least two second transmission shafts with parallel axes are rotatably connected to opposite surfaces of the inner wall of the bag pressing shell, and the elastic band is sleeved outside the second transmission shafts.

As a further description of the above technical solution, the elastic band outside the first transmission shaft is parallel to the elastic band outside the second transmission shaft.

As a further description of the above technical solution, a buffer rod is fixedly connected to the upper end of the bag pressing housing, and the other end of the buffer rod, which is far away from the bag pressing housing, is fixed to the inner portion of the casing of the leak detector.

As a further description of the above technical solution, the upper end surface of the supporting plate is an inclined surface.

As a further description of the above technical solution, one end of each of the first transmission shaft and the second transmission shaft extends out of the support plate and the bag pressing shell and is connected with a pulley, and the pulleys are connected and driven by an external conveyor belt.

As a further description of the above technical solution, a contact surface of at least one of the contact surfaces of the pulley and the conveyor belt is an anti-slip surface.

As a further description of the above technical solution, the elastic belt is made of PU material.

As a further description of the above technical solution, a vertical distance between the first transmission shaft and the second transmission shaft is not greater than a thickness of the infusion soft bag.

The utility model discloses following beneficial effect has:

the utility model discloses an elastic webbing mutual independence on bag pressing mechanism and the below conveyer belt exists the space each other, and the elastic webbing is the pu material simultaneously, has better elasticity, and after two or more infusion soft bags overlap together, because the elastic webbing is the pu material, the shape of adaptation infusion soft bag that can be better takes place to warp simultaneously, can not appear the conveyer belt too big infusion bag that leads to the fact of the extrusion of infusion soft bag and break, influences the normal work of leak hunting.

Drawings

FIG. 1 is a perspective view of a transfer mechanism of the present application;

FIG. 2 is a cross-sectional view of the transfer mechanism of the present application;

FIG. 3 is a cross-sectional view of another embodiment of the present application;

fig. 4 is a schematic view of the assembly of the first transmission shaft and the elastic band in the present application.

Illustration of the drawings:

1. a support plate; 2. a first transmission shaft; 3. a groove; 4. an elastic band; 5. pressing the bag shell; 6. a second drive shaft; 7. a buffer rod; 8. a pulley.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

Referring to fig. 1-4, the present invention provides an embodiment: a PU transport mechanism for leakage detection of a soft bag comprises two groups of support plates 1 with a distance between opposite surfaces, specifically referring to fig. 1, wherein the support plates 1 are two same vertical plates, the upper end surfaces of the support plates adopt inclined surfaces in the embodiment, and in the specific actual conveying process, the upper end surfaces of the support plates 1 can be manufactured into inclined surfaces or horizontal surfaces according to the actual requirements; two parallel first transmission shaft of axis 2, its both ends are fixed on the opposite face of the backup pad 1 of both sides through the bearing, also can install three or four first transmission shaft 2 according to actual need, be formed with circular recess 3 on the circumference of first transmission shaft 2, and recess 3 is provided with the multiunit along the length direction of first transmission shaft 2, recess 3 outside between two sets of first transmission shaft 2 cup joints elastic webbing 4, thereby it carries to the infusion soft bag of top to drive elastic webbing 4 through the rotation of first transmission shaft 2, the quantity of the elastic webbing 4 on every first transmission shaft 2 equals with recess 3's quantity, and there is certain space distance between the adjacent elastic webbing 4, be convenient for subsequent detection electrode can pass the space department of elastic webbing 4 and carry out the defect detection to the infusion soft bag.

A bag pressing shell 5 is arranged at a certain distance above the supporting plates 1, the bag pressing shell 5 is composed of two vertical plates which are separated by a certain distance and a fixing plate above the vertical plates, the distance between the vertical plates is the same as the distance between the two supporting plates 1, the distance between the two supporting plates 1 is not smaller than the width of a soft infusion bag, specific numerical values can be adjusted according to actual conditions, a second transmission shaft 6 with two axes parallel to each other is also rotatably connected to the opposite surface between the two vertical plates of the bag pressing shell 5, the second transmission shaft 6 is the same as the first transmission shaft 1 and is provided with a plurality of grooves 3, an elastic belt 4 is sleeved outside the grooves 3, the elastic belt is made of PU (polyurethane) and has good elasticity, a buffer rod 7 is fixedly connected to the upper end of the bag pressing shell 5, the other end of the buffer rod 7 is fixed to the inside of a leakage detector (not shown in the figure), the buffer rod 7 is a telescopic rod, a spring is axially arranged on the buffer rod, and when an infusion solution passes through a conveying channel composed of the elastic belt 4 and the elastic belt 4 below the soft infusion bag, when more than two soft infusion bags are stacked, the bag pressing shell 5 can move by a certain distance, and the bag breaking distance can be avoided.

The elastic belts 4 outside the first transmission shafts 2 and the elastic belts 4 outside the second transmission shafts 6 are parallel to each other, that is, the axis connecting line of the two first transmission shafts 2 is inclined, the axis connecting line of the two second transmission shafts 6 is also inclined, and when the axis connecting line of the two first transmission shafts 2 is horizontal, the axis connecting line of the two second transmission shafts 6 is parallel, in this embodiment, the axis connecting line of the two first transmission shafts 2 is inclined, the axis connecting line of the two second transmission shafts 6 is also inclined, the upper end surfaces of the two support plates 1 are also inclined surfaces, and the lower end surfaces of the two vertical plates of the bag pressing shell 5 are also inclined surfaces, so that the upper and lower groups of elastic belts 4 can approach to each other and are parallel to each other, thereby conveying the infusion soft bag to the outside.

Referring to fig. 1, one end of each of the first transmission shaft 2 and the second transmission shaft 6 extends out of the support plate 1 and the bag pressing housing 5 and is connected with the belt wheel 8, the belt wheel 8 is connected and transmitted by an external transmission belt, and an anti-slip surface is arranged on at least one contact surface of the belt wheel 8 or the transmission belt for keeping the synchronous transmission of the first transmission shaft and the second transmission shaft, so as to avoid slipping, the anti-slip surface may be formed by a plurality of protrusions, one of the transmission shafts is driven to rotate by an external motor, so that the first transmission shaft 2 and the second transmission shaft 6 can move, and the connection mode control of the transmission belts is performed, so that the movement directions of the first transmission shaft 2 and the second transmission shaft 6 are opposite, if the first transmission shaft 2 rotates clockwise, the second transmission shaft 6 rotates counterclockwise, so as to control the corresponding elastic belts 4 to move in opposite directions, and convey a soft infusion bag.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes or equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention as defined by the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a PU transport mechanism for soft bag leak hunting which characterized in that: comprises two groups of supporting plates (1) with a distance between opposite surfaces;

the two ends of the first transmission shafts (2) are fixed on the supporting plates (1) at the two sides through bearings;

a circular groove (3) is formed in the circumference of the first transmission shaft (2), multiple groups of grooves (3) are arranged in the length direction of the first transmission shaft (2), and an elastic belt (4) with elasticity is sleeved outside the groove (3) between the two groups of first transmission shafts (2).

2. The PU transport mechanism of claim 1, wherein: the width of the elastic belt (4) is matched with that of the groove (3), and the gap distance between the adjacent elastic belts (4) is equal.

3. The PU transport mechanism of claim 1, wherein: a bag pressing shell (5) is arranged above the supporting plate (1), at least two second transmission shafts (6) with parallel axes are rotatably connected to opposite surfaces of the inner wall of the bag pressing shell (5), and the elastic belt (4) is sleeved outside the second transmission shafts (6).

4. The PU transport mechanism of claim 3, wherein: the elastic belt (4) outside the first transmission shaft (2) is parallel to the elastic belt (4) outside the second transmission shaft (6).

5. The PU transport mechanism of claim 3, wherein: the upper end of the bag pressing shell (5) is fixedly connected with a buffer rod (7), and the other end, far away from the bag pressing shell (5), of the buffer rod (7) is fixed with the inner portion of the shell of the leak detector.

6. The PU transport mechanism of claim 1, wherein: the upper end face of the supporting plate (1) is an inclined face.

7. The PU transport mechanism of claim 3, wherein: one ends of the first transmission shaft (2) and the second transmission shaft (6) extend out of the support plate (1) and the bag pressing shell (5) and are connected with belt wheels (8), and the belt wheels (8) are connected and transmit through an external conveying belt.

8. The PU transport mechanism of claim 7, wherein: and the contact surface of at least one of the contact surfaces of the belt wheel (8) and the conveying belt is an anti-slip surface.

9. The PU transport mechanism of claim 1, wherein: the elastic belt (4) is made of PU material.

10. The PU transport mechanism of claim 3, wherein: the vertical distance between the first transmission shaft (2) and the second transmission shaft (6) is not more than the thickness of the soft infusion bag.