CN215677474U

CN215677474U - Air leakage detection guiding extrusion device for bagged products

Info

Publication number: CN215677474U
Application number: CN202121434511.6U
Authority: CN
Inventors: 国磊; 陈启斌; 张圣豪; 薄军; 于晶晶
Original assignee: Jinan Maotong Testing Equipment Co ltd
Current assignee: Jinan Maotong Testing Equipment Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-01-28
Anticipated expiration: 2031-06-25

Abstract

The utility model provides a guiding extrusion device for detecting air leakage of a bagged product, which adopts the following scheme: the belt wheel is mounted on the supporting frame, the driving assembly is connected with the belt wheel, and the flexible extrusion belt is in transmission connection with the belt wheel; the supporting frame is arranged on a fixed frame, and a lifting mechanism is arranged on the fixed frame and connected with the supporting frame; the supporting frame is provided with an induction device, and the height of the induction device is greater than that of the bottom extrusion surface of the flexible extrusion belt. The detection precision is high, the speed is high, and the stability is strong.

Description

Air leakage detection guiding extrusion device for bagged products

Technical Field

The utility model relates to the technical field of air leakage detection of bagged products, in particular to an air leakage detection guiding extrusion device for a bagged product.

Background

The bagged product has strict requirements on the sealing degree, and particularly in the production process, the tightness of the bagged product needs to be detected, if the air leakage phenomenon occurs in the packaging bag, the bagged product is often crushed due to mutual collision and extrusion, and is damped quickly and then goes bad. To avoid this, each bagged product is tested for leaks during the production process, the leaks are identified as directly rejected, and the rejected and rejected products are sorted separately. The tightness detection of the bagged product is carried out by a special detection device.

The existing detection device generally detects whether air leaks by extruding a packaging bag, for example, a patent with the application number of 202010520113.X discloses a packaging air leakage detection device for bagged puffed food, which mainly drives a pressing plate to press downwards by pressing a detection block, and judges whether the product leaks air according to the difference of the heights of the product pressed downwards; the patent with application number 202010449232.0 discloses a bag type packing machine, wherein a pressing roller for extruding a packing bag is disclosed, the packing bag moves to the lower part of the pressing roller, the pressing roller for extruding the packing bag moves upwards, therefore, the pressing roller extrudes the packing bag under the action of a pressure spring, the thickness of the air-leaking packing bag becomes smaller, then the packing bag continues to move forwards, and when the packing bag passes through a thickness detector, the thickness becomes smaller after the air-leaking packing bag triggers the thickness detector. Although the two schemes can realize the air leakage detection of the packaging bag to a certain extent, the two schemes have the following defects: each conveyed packaging bag needs to be pressed down, so that the speed is low and the efficiency is low; each packaging bag is pressed down at one time, the packaging bags are different in change due to the difference among the packaging bags and the degree of pressing force, a large amount of false rejection phenomena exist, the thickness is used for removing, and the detection precision is low; the packaging bag is only pressed up and down and is easy to block or stop, and the detection is influenced by a bit deviation of the position of the packaging bag during conveying.

Therefore, in view of the current situation existing in the prior art, it is an urgent need to solve the problem of developing a guiding extrusion device capable of detecting the qualification of bagged products with high efficiency and high precision.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a guiding extrusion device for detecting air leakage of a bagged product, which adopts the technical scheme that: a gas leakage detection guide extrusion device for bagged products comprises a flexible extrusion belt, a belt wheel, a driving assembly, a support frame and a fixing frame, wherein the belt wheel is arranged on the support frame; the supporting frame is arranged on a fixed frame, and a lifting mechanism is arranged on the fixed frame and connected with the supporting frame; the supporting frame is provided with an induction device, and the height of the induction device is greater than that of the bottom extrusion surface of the flexible extrusion belt. The height of the flexible extrusion belt is adjusted through the lifting mechanism, so that the gap between the flexible extrusion belt and the conveyor belt is suitable for bagged products to be detected, and the detection of different bagged products can be adapted; the flexible extrusion belt has the characteristic of longer length, the power assembly drives the flexible extrusion belt to continuously run, the flexible extrusion belt is matched with a lower conveying belt to realize guiding and continuous conveying of bagged products, the bagged products can be extruded in the whole length range, the long extrusion process can release pressure as fully as possible for the leaked products, large pressure change of the leaked or slightly leaked products can be achieved, detection accuracy is guaranteed, an induction device is arranged on the flexible extrusion belt at the bottom, when the bagged products enter the flexible extrusion belt from the beginning, the flexible extrusion belt can bear extrusion force while the bagged products are extruded by the flexible extrusion belt, the change of the force on the flexible extrusion belt can be sensed by the induction device, the bagged products are in dynamic detection in the whole range of the flexible extrusion belt, and pressure change detection is more accurate, Stable, reduce the yields of rejecting of non-defective products to this testing mode is continuous process, and flexible extrusion area also can be given a conveying power of bagged products among the extrusion process, and the common transport not only plays the guide effect but also does not influence conveying speed, has improved detection efficiency by a wide margin.

Further, the sensing device comprises a pressure sensor located at the rear of the flexible squeeze band. Utilize pressure sensor to detect pressure variation, realize more accurate detection, place it in the position that leans on the back, have one section long extrusion process in earlier stage and can make the product of revealing release pressure as far as, when carrying the pressure detection point of this department, have a great pressure variation, further improve detection accuracy, reduce the yields of rejecting of good products.

Furthermore, the induction device is connected with the support frame through the adjusting seat. The position of the induction device is adjusted through the adjusting seat, so that the induction device can reach the effect of more accurate detection data at a better detection position.

Furthermore, the support frame is provided with a vertical adjusting hole, and the adjusting seat penetrates through the vertical adjusting hole and is fastened on the support frame through the tightness adjusting piece.

Furthermore, elevating system includes screw rod and nut piece, the support frame passes through screw rod and nut piece and is connected with the mount transmission. The support frame is in transmission connection with the fixing frame through the screw rod and the nut block, the height of the support frame is adjusted by rotating the screw rod, and then the height of the flexible extrusion belt is adjusted.

Furthermore, be provided with tensioning seat and tensioning lead screw on the support frame, the tensioning lead screw is connected with the transmission of tensioning seat, the tensioning seat passes through the wheel carrier and is connected with the band pulley. The tensioning seat is adjusted to move through the tensioning lead screw, so that the wheel frame moves to drive the belt wheel to move, and the tensioning adjustment of the flexible extrusion belt is realized.

Further, the band pulley has two, divide into preceding band pulley and back band pulley, installs a plurality of auxiliary rollers on the support frame, and a plurality of auxiliary rollers horizontal interval arrange, auxiliary roller is located between preceding band pulley and the back band pulley, auxiliary roller is located the closed loop that the flexible extrusion area formed, auxiliary roller is close to in the flexible extrusion area part of below and is higher than the flexible extrusion area part of below. The auxiliary roller realizes the uniformity of stable guiding and extrusion force, has the supporting effect on the flexible extrusion belt part between the two belt wheels, and is more favorable for the guiding, extrusion and detection accuracy of bagged products.

Further, the sensing device is located above and in contact with the lower flexible pressing belt portion. So that it is in a dynamic pressure sensing state.

Furthermore, a guide rod is arranged on the fixing frame, and the support frame is connected with the guide rod through a sliding block. Plays a role in guiding when lifting, and realizes the function of stable lifting.

Furthermore, a hand wheel rocking handle is arranged on the upper portion of the screw rod or the upper portion of the screw rod is directly connected with a motor. The hand wheel crank handle is convenient for manually adjusting the height of the flexible extrusion belt. The motor can drive the screw rod to realize automatic adjustment.

Further, in some embodiments, the fixing frame comprises support legs and a middle beam, the support legs are fixed on two sides of the middle beam, the support frame is located in the middle of the support legs on two sides, the support legs can be installed on two sides of the conveyor belt device, and the flexible extrusion belt is located right above the conveyor belt. In another embodiment, the holder is provided separately and the stand is supported on the ground.

According to the technical scheme, the utility model has the following advantages:

this scheme provides a product gas leakage detection direction extrusion device in bags extrudees the product in bags through setting up the flexible extrusion area, makes its pressure transport that keeps the certain period, has the product of leaking as far as possible abundant release pressure at this section length extrusion process, if it is little not to have the pressure variation of leaking, it will be great with normal than the difference to have the pressure of leaking, can reliably detect out through this kind of mode and leak and the product that sealed effect is not good. The packaging bag is conveyed to the pressure detection point under the condition of all stress as far as possible, so that the leaked or slightly leaked products have larger pressure change, and the rejection rate of good products is reduced. The pressure change detection is more accurate and stable, and the detection efficiency is greatly improved due to the continuous detection process.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of one embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

In the figure, the device comprises a flexible extrusion belt 1, a flexible extrusion belt 2, an induction device 3, an auxiliary roller 4, an adjusting seat 5, a hand wheel rocking handle 6, a screw rod 7, a fixing frame 8, a supporting frame 9, a tensioning seat 10, a tensioning screw rod 11, a wheel frame 12, a belt wheel 13, a driving component 14, a guide rod 15 and a sliding block.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in fig. 1 and 2, the present invention provides a gas leakage detection guiding extrusion device for a bagged product, which includes a flexible extrusion belt 1, belt wheels 12, a driving assembly 13, a support frame 8 and a fixing frame 7, wherein the belt wheels 12 are installed on the support frame 8, the belt wheels 12 are provided with two front belt wheels 12 and two rear belt wheels 12, the flexible extrusion belt 1 is preferably a belt, the belt is wound on the two belt wheels 12, the driving assembly 13 is connected with the belt wheels 12, the driving assembly 13 is preferably a motor in the present scheme, the motor drives the belt wheels 12 to rotate, and the belt wheels 12 drive the flexible extrusion belt 1 to operate; the supporting frame 8 is arranged on the fixed frame 7, and the lifting mechanism is arranged on the fixed frame 7 and connected with the supporting frame 8; the support frame 8 is provided with an induction device 2, and the height of the induction device 2 is greater than that of the bottom extrusion surface of the flexible extrusion belt 1. It should be noted that, because the flexible compression belt 1 dynamically changes during operation, in this scheme, for convenience of description, the flexible compression belt 1 is divided into two parts, an upper flexible compression belt part is located at the upper part of the belt wheel 12, a lower flexible compression belt part is located at the lower part of the belt wheel 12, and a bottom compression surface refers to an outer surface of the lower flexible compression belt part, that is, a surface where the bottom contacts a bagged product.

As shown in fig. 1, in some embodiments, the fixing frame 7 includes support legs and a middle beam, the support legs are fixed on two sides of the middle beam, the support frame 8 is located in the middle of the support legs on two sides, and the support legs can be mounted on two sides of the conveyor belt device, so that the flexible extrusion belt 1 is located right above the conveyor belt; in other embodiments, as shown in fig. 2, the fixed frame is separately provided, directly supported on the ground, and has a guide bar 14 thereon, and the support frame 8 is connected with the guide bar 14 through a slide block 15. Plays a role in guiding when lifting, and realizes the function of stable lifting. The lifting mechanism comprises a screw rod 6 and a nut block, the supporting frame 8 is in transmission connection with the middle beam through the screw rod 6 and the nut block, a hand wheel rocking handle 5 is arranged on the upper portion of the screw rod 6 or the screw rod 6 is driven to rotate by a motor, and a manual mode or an automatic mode can be set. Support frame 8 and mount 7 transmission are connected through screw rod 6 and nut piece, rotate screw rod 6 and realize the altitude mixture control of support frame 8, and then realize the altitude mixture control of flexible extrusion area 1 for the clearance between flexible extrusion area 1 and the conveyer belt adapts to the thickness of product in bags, and the product to the difference can be adjusted to not clearance of co-altitude, extensive applicability.

Wherein, the preferred pressure sensor that is preferred of induction element 2, induction element 2 passes through the connecting piece and installs on support frame 8 and be located the rear portion of flexible extrusion area 1, induction element 2 is located the top of below belt portion and contacts with below belt portion, make it be in the dynamic pressure detection state, utilize pressure sensor to detect pressure variation, realize more accurate detection, place it in the position that leans on the back, there is one section long extrusion process in earlier stage and can make the product of revealing release pressure as far as, when carrying the pressure detection point of this department, there is a great pressure variation, further improve detection accuracy, reduce the yields of rejecting of non-defective products. Further, induction system 2 is connected with support frame 8 through adjusting seat 4, be provided with vertical regulation hole on the support frame 8, adjust seat 4 and pass vertical regulation hole and fasten on support frame 8 through the elasticity regulating part, the part that adjusts seat 4 and pass vertical regulation hole is the bolt, the regulating part is the nut, adjust to screw up the nut after the take the altitude and fix can, adjust induction system 2's position, make it in better detection position, reach the more accurate effect of detection data.

In addition, a tensioning seat 9 and a tensioning screw rod 10 are arranged on the supporting frame 8, the tensioning screw rod 10 is in transmission connection with the tensioning seat 9, and the tensioning seat 9 is connected with a belt wheel 12 through a wheel carrier 11. The tensioning seat 9 is adjusted to move through the tensioning screw rod 10, so that the wheel frame 11 moves to drive the belt wheel 12 to move, and tensioning adjustment of the flexible extrusion belt 1 is achieved. Install a plurality of auxiliary roller 3 on the

support frame

8, 3 horizontal intervals of a plurality of auxiliary roller arrange, auxiliary roller 3 is located between front belt wheel 12 and the back belt wheel 12, auxiliary roller 3 is located the closed loop that the belt formed, auxiliary roller 3 is close to in the below belt part and is higher than the below belt part, realize stabilizing the even of direction and extrusion force through auxiliary roller 3, have the supporting role to the belt part between two belt wheels 12, more do benefit to the direction to the product in bags, the accuracy of extrusion and detection.

The working principle of the bagged product air leakage detection guiding extrusion device is as follows: when the device is used, the device is arranged on a conveyor belt device, the flexible extrusion belt 1 is positioned right above the conveyor belt, the height of the support frame 8 is adjusted by rotating the screw 6, and then the height of the flexible extrusion belt 1 is adjusted, so that a gap between the flexible extrusion belt 1 and the conveyor belt is suitable for a bagged product to be detected to pass through; motor drive band pulley 12 rotates, it moves to drive flexible extrusion area 1, when the product conveying in bags comes, flexible extrusion area 1 and conveyer belt drive the product in bags forward transport simultaneously, meanwhile, flexible extrusion area 1 can produce the squeezing action to the product in bags, all can keep the extrusion to the product in bags in this whole length range, this long extrusion process can make reveal the product as far as abundant release pressure as possible, can let reveal or leak the product a little and have great pressure variation, flexible extrusion area 1 also can receive an extrusion force when flexible extrusion area 1 extrudees the product in bags, and the change of flexible extrusion area 1 upper force will be sensed by induction element 2, the product in bags all is in dynamic verification at flexible extrusion area 1 whole within range, pressure sensor produces the pulse and calculates, it is more accurate to detect pressure variation, it is stable.

The terms "upper", "lower", "outside", "inside", and the like in the description and claims of the present invention and the above-described drawings (if any) are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The air leakage detection guide extrusion device for the bagged products is characterized by comprising a flexible extrusion belt (1), a belt wheel (12), a driving assembly (13), a support frame (8) and a fixing frame (7), wherein the belt wheel (12) is installed on the support frame (8), the driving assembly (13) is connected with the belt wheel (12), and the flexible extrusion belt (1) is in transmission connection with the belt wheel (12); the supporting frame (8) is arranged on the fixed frame (7), the fixed frame (7) is provided with a lifting mechanism, and the lifting mechanism is connected with the supporting frame (8); the flexible extrusion device is characterized in that an induction device (2) is installed on the support frame (8), and the height of the induction device (2) is larger than that of the bottom extrusion surface of the flexible extrusion belt (1).

2. A pouch product air-leak detection guide extrusion device according to claim 1, characterised in that said sensing means (2) comprises a pressure sensor, said pressure sensor being located at the rear of the flexible extrusion band (1).

3. The device for detecting, guiding and squeezing air leakage of a bagged product according to claim 1 or 2, characterized in that said sensor means (2) is connected to the support frame (8) by means of an adjusting seat (4).

4. The bagged product air leakage detection guiding extrusion device as claimed in claim 3, characterized in that the supporting frame (8) is provided with a vertical adjusting hole, and the adjusting seat (4) passes through the vertical adjusting hole and is fastened on the supporting frame (8) through a tightness adjusting member.

5. The bagged product air-leakage detection guiding extrusion device as claimed in claim 1, wherein the lifting mechanism comprises a screw rod (6) and a nut block, and the support frame (8) is connected with the fixed frame (7) through the screw rod (6) and the nut block.

6. The bagged product air leakage detection, guiding and extruding device as claimed in claim 1, wherein the supporting frame (8) is provided with a tensioning seat (9) and a tensioning screw rod (10), the tensioning screw rod (10) is in transmission connection with the tensioning seat (9), and the tensioning seat (9) is connected with the belt wheel (12) through a wheel carrier (11).

7. The air leakage detecting, guiding and squeezing device for bagged products according to claim 1, wherein the two pulleys (12) are divided into a front pulley and a rear pulley, the supporting frame (8) is provided with a plurality of auxiliary rollers (3), the plurality of auxiliary rollers (3) are horizontally arranged at intervals, the auxiliary rollers (3) are positioned between the front pulley and the rear pulley, the auxiliary rollers (3) are positioned in the closed loop formed by the flexible squeezing belt (1), and the auxiliary rollers (3) are close to and higher than the lower flexible squeezing belt portion.

8. A pouch product air-leak detection guide press according to claim 1, characterized in that said sensing means (2) is located above and in contact with the lower flexible press belt portion.

9. The bagged product air-leakage detection guiding extrusion device as claimed in claim 1, wherein the fixed frame (7) is provided with a guide rod (14), and the support frame (8) is connected with the guide rod (14) through a slide block (15).

10. The bagged product air leakage detection guiding extrusion device as claimed in claim 5, characterized in that a handwheel rocking handle (5) is arranged at the upper part of the screw rod (6), or the screw rod (6) is connected with a motor.