Bag opening and forming mechanism

Abstract

The utility model relates to a bag opening and forming mechanism in the field of bags, which comprises a support plate, two groups of symmetrically arranged sliding pieces are arranged on the support plate, and the two groups of sliding pieces are respectively connected with a first group of symmetrically arranged bag opening rods and a second group of symmetrically arranged bag opening rods through sliding plates. The supporting plate is connected with a first driving piece through a first set of vertical plates, the first driving piece is used for driving the first set of bag opening rods to ascend and descend and can slide along the sliding grooves, and the supporting plate is connected with a second driving piece through a second set of vertical plates, and the second driving piece is used for driving the second set of bag opening rods to ascend and descend and can slide along the sliding grooves. Through driving of the first driving piece and the second driving piece, the first set of bag opening rods and the second set of bag opening rods can be driven to ascend, descend and expand outwards at the same time, auxiliary opening forming of a bag opening is achieved, stability and consistency of the bag opening in the opening process are guaranteed, and therefore convenience and efficiency of follow-up packaging operation are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bag field, concretely relates to a bag opening forming mechanism. BACKGROUND

[0002] As packaging materials, bags have a wide range of applications in various fields. Depending on their material and application field, there are many types of bags, including but not limited to woven bags, film bags, thin paper bags, and composite food bags. Thin paper bags can be used in other fields, including but not limited to supermarkets, food, etc. In some supermarkets, automatic bag dispensers are used to dispense film bags for quick bagging and subsequent opening and packaging.

[0003] The basic structure of the existing automatic bag dispenser includes key components such as the machine body, transmission part, and control part. The transmission part drives the film plastic bag to roll through the drive motor, making the film bag pass through the warehouse body for loading the bag roll, and leading out from the warehouse opening to facilitate the user to take the bag for packaging. These components work together to achieve the effects of loading, conveying, and dispensing plastic bags.

[0004] However, the existing bag opening mechanism still has some defects in use. First, the automatic bag dispenser cannot complete the opening and forming of the bag, which usually needs to be completed manually, increasing labor costs. Second, when manually opening the bag, due to different operation habits and forces of each person, the size and shape of the opened bag may not be consistent, the manual opening effect is poor, affecting packaging efficiency, and for different types and sizes of bags, the manual opening process takes time, which is not conducive to handling a large number of packaging bags, affecting the use efficiency. SUMMARY

[0005] The utility model aims to solve the above defects and provide a bag opening forming mechanism to solve the technical problem of the lack of bag opening forming in the existing technology in the background art, poor manual opening forming effect of the bag opening, and the impact on subsequent packaging convenience and use efficiency.

[0006] The utility model aims to achieve the following:

[0007] The utility model provides a bag opening forming mechanism, including support plate, which is equipped with two groups of symmetrically arranged sliding pieces, two groups of sliding pieces are connected with symmetrically arranged first group of bag opening rod and second group of bag opening rod respectively through sliding plate, support plate is equipped with first sliding groove and second sliding groove which extend horizontally with the sliding direction of sliding piece, one end of first group of bag opening rod and second group of bag opening rod respectively passes through first sliding groove and second sliding groove and extends to the bottom of support plate, the other end of first group of bag opening rod and second group of bag opening rod extends to the top of support plate, support plate is connected with the first driving piece for driving first group of bag opening rod to carry out the lifting action and can slide along the sliding groove through first group of vertical plate, support plate is connected with the second driving piece for driving second group of bag opening rod to carry out the lifting action and can slide along the sliding groove through second group of vertical plate, the linkage of first driving piece and second driving piece makes first group of bag opening rod and second group of bag opening rod can simultaneously lift and expand outward, realize the opening forming of bag mouth.

[0008] Further in the above description, the sliding piece comprises a sliding rail and a sliding block, the sliding rail is installed on the support plate, and the sliding block is installed on the sliding rail in pairs through the sliding plate and can slide along the extension direction of the sliding rail.

[0009] The sliding piece is arranged to drive the first group of bag opening rods or the second group of bag opening rods to slide linearly. Through the cooperation of the sliding rail and the sliding block, the sliding plate can smoothly and accurately slide along the extension direction of the sliding rail. The operation flexibility and accuracy of the first group of bag opening rods or the second group of bag opening rods are improved, so that the bag can remain stable during opening, and deformation or damage of the bag caused by improper operation is avoided.

[0010] Further in the above description, the first group of bag opening rods and the second group of bag opening rods each comprise a bag opening shaft and a shaft sleeve, the shaft sleeve is installed on the sliding plate, and the bag opening shaft is connected with the shaft sleeve in pairs, and the bag opening shaft can move up and down along the axial direction of the shaft sleeve.

[0011] The pair connection of the bag opening shaft and the shaft sleeve enables the bag opening shaft to move up and down along the axial direction of the shaft sleeve, and in combination with the sliding of the sliding piece, the bag opening mechanism can more flexibly adapt to bags of different sizes and specifications. By adjusting the height of the bag opening shaft, it can be ensured that the bag opening remains flat when the bag is opened.

[0012] Further in the above description, the end of the bag opening shaft extending towards the bottom of the support plate is connected with a clamp.

[0013] The clamp can be conveniently inserted into the bag through the bag opening and expanded outward while moving downward, so as to expand the bag opening. In combination with the arrangement of the bag opening shaft and the sliding piece, the bag opening can be more flat when opened, ensuring the smooth performance of subsequent packaging operations.

[0014] Further in the above description, the first group of vertical plates comprises two oppositely arranged vertical plates one, the second group of vertical plates comprises two oppositely arranged vertical plates two, the first driving member is installed between the two vertical plates one, and the second driving member is installed between the two vertical plates two.

[0015] By respectively arranging the two groups of vertical plates and driving members, the control of the first group of bag opening rods and the second group of bag opening rods can be realized. Meanwhile, through the external controller, the actions of the first driving member and the second driving member are simultaneously linked and controlled, so that the first driving member and the second driving member can respectively control the first group of bag opening rods and the second group of bag opening rods to open the bag mouth, thereby improving the flexibility and adaptability of the bag opening mechanism, and further applicable to the bag mouth opening of bags of different specifications and sizes.

[0016] Specifically, the first driving member and the second driving member are of the same structure.

[0017] Further in the above description, the first driving member and the second driving member are both composed of a driving motor, a linkage rod, a guide rod and two extenders, the inner side surfaces of the two vertical plates one and the two vertical plates two are both provided with a guide groove and a driving groove, the driving motor is connected with the linkage rod, one end of the two extenders is connected with one end of the linkage rod, and a driving block matched with the driving groove is arranged on the extender, the guide rod is installed on the extension end of the two extenders, and the guide rod is matched with the guide groove, the top end of the bag opening shaft is connected with the guide rod, and the rotation driving of the driving motor drives the extender to move along the driving groove, and the guide rod moves along the guide groove through the extender.

[0018] The arrangement of the driving member enables the bag opening shaft to move along a specific path, thereby realizing the accurate opening of the bag. Through the rotation driving of the driving motor and the extension movement of the extender, it can be ensured that the bag opening shaft remains stable and accurate during the movement, thereby avoiding the damage or deformation of the bag caused by improper operation.

[0019] Further in the above description, the guide groove is an "L"-shaped groove.

[0020] Further in the above description, the driving groove is an "S"-shaped groove.

[0021] The design of the "L"-shaped guide groove and the "S"-shaped driving groove enables the bag opening shaft to move according to the predetermined bag mouth opening path during the movement, which improves the accuracy and stability of the bag opening mechanism.

[0022] Further in the above description, the first driving member and the second driving member can respectively drive the first group of bag opening rods and the second group of bag opening rods to move close to or away from each other.

[0023] Further in the above description, the support plate is provided with a through feeding hole, which is arranged between the first group of bag opening rods and the second group of bag opening rods.

[0024] The feeding hole enables the bag to be conveniently fed into the bag opening mechanism for bag opening processing.

[0025] The utility model discloses the beneficial effects: through the lifting and the outward expansion action of the first group of bag opening rods and the second group of bag opening rods, can more evenly open the bag mouth, avoided the problem that artificial bag opening opening forming is unstable and influences the bag mouth opening, ensure the stability and consistency in the opening process of bag mouth, thereby improved the convenience and efficiency of subsequent packaging operation, through the linkage of the first drive part and the second drive part, can flexibly adjust the distance and the angle between the first group of bag opening rods and the second group of bag opening rods, to adapt to different specifications and size's bag, reduced the complexity and cost of operation, improved the versatility and flexibility of equipment, through the mechanical drive mode, compared with artificial bag opening forming, the mechanism can stably execute the opening forming action of bag mouth, ensure the reliability and stability of bag opening process, simultaneously, through the opening forming mechanism of automatic setting, reduce the labor cost, improve the convenience of use. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the overall structure schematic diagram of the first direction of this embodiment;

[0027] Figure 2 It is the overall structure schematic diagram of the second direction of this embodiment;

[0028] Figure 3 It is the overall structure schematic diagram of the third direction of this embodiment;

[0029] Figure 4 It is the sectional view of this embodiment;

[0030] Figure 5 It is the structure schematic diagram of the first drive part in this embodiment;

[0031] The reference signs in the drawing are respectively:

[0032] 100-support plate, 101-first sliding groove, 102-second sliding groove;200-sliding part, 201-sliding plate, 202-sliding rail, 203-sliding block;300-first group of bag opening rods, 301-bag opening shaft, 302-shaft sleeve, 303-material clamp;400-second group of bag opening rods;500-first group of vertical plates;600-second group of vertical plates;700-first drive part, 701-driving motor, 702-linkage rod, 703-guide rod, 704-telescopic device, 705-driving block;800-second drive part;900-guide slot, 1000-driving slot. DETAILED DESCRIPTION

[0033] The utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0034] In this embodiment, refer to Figures 1-5 Specifically, the bag opening forming mechanism comprises a support plate 100, two groups of symmetrical sliding members 200 are arranged on the support plate 100, the two groups of sliding members 200 are respectively connected with a first group of bag opening rods 300 and a second group of bag opening rods 400 arranged symmetrically through a sliding plate 201, a first sliding groove 101 and a second sliding groove 102 extending horizontally along the sliding direction of the sliding member 200 are formed on the support plate 100, one end of the first group of bag opening rods 300 and the second group of bag opening rods 400 respectively extends to the bottom of the support plate 100 through the first sliding groove 101 and the second sliding groove 102, the other end of the first group of bag opening rods 300 and the second group of bag opening rods 400 extends to the top of the support plate 100, the first driving member 700 for driving the first group of bag opening rods 300 to perform lifting action and capable of sliding along the sliding groove is connected with the first group of vertical plates 500 on the support plate 100, the second driving member 800 for driving the second group of bag opening rods 400 to perform lifting action and capable of sliding along the sliding groove is connected with the second group of vertical plates 600 on the support plate 100, through the linkage of the first driving member 700 and the second driving member 800, the first group of bag opening rods 300 and the second group of bag opening rods 400 can simultaneously perform lifting and outward expansion, realizing the opening forming of the bag opening.

[0035] The sliding member 200 comprises a sliding rail 202 and a sliding block 203, the sliding rail 202 is installed on the support plate 100, and the sliding plate 201 is pairedly installed on the sliding rail 202 through the sliding block 203 and can slide along the extension direction of the sliding rail 202.

[0036] Through the sliding member 200, the first group of bag opening rods 300 or the second group of bag opening rods 400 can be driven to slide linearly, through the cooperation of the sliding rail 202 and the sliding block 203, the sliding plate 201 can stably and accurately slide along the extension direction of the sliding rail 202. The operation flexibility and accuracy of the first group of bag opening rods 300 or the second group of bag opening rods 400 are improved, so that the bag can keep stable during the opening process, and deformation or damage of the bag caused by improper operation is avoided.

[0037] Specifically, the sliding member 200 is provided with two groups, and the two groups of sliding members 200 are symmetrically arranged left and right, one end of the two groups of sliding members 200 extends to the middle part of the support plate 100, the first sliding groove 101 extends horizontally along the sliding direction of the first group of sliding members 200, and the second sliding groove 102 extends horizontally along the sliding direction of the second group of sliding members 200.

[0038] The first group of bag opening rods 300 and the second group of bag opening rods 400 are both composed of a bag opening shaft 301 and a shaft sleeve 302, the shaft sleeve 302 is installed on the sliding plate 201, the bag opening shaft 301 is connected with the shaft sleeve 302 in pairs, and the bag opening shaft 301 can move up and down along the axial direction of the shaft sleeve 302.

[0039] The paired connection of the bag opening shaft 301 and the shaft sleeve 302 enables the bag opening shaft 301 to move up and down along the axial direction of the shaft sleeve 302, and in combination with the sliding of the sliding member 200, the bag opening mechanism can more flexibly adapt to bags of different sizes and specifications. By adjusting the height of the bag opening shaft 301, it can be ensured that the bag opening is flat when the bag is opened.

[0040] The first group of bag opening rods 300 and the second group of bag opening rods 400 have the same structure, and the first group of bag opening rods 300 and the second group of bag opening rods 400 are symmetrically arranged.

[0041] The end of the bag opening shaft 301 extending to the bottom of the support plate 100 is connected with a clamp 303.

[0042] The clamp 303 can be conveniently inserted into the bag through the bag opening and expanded outwardly while moving downwardly, so as to expand the bag opening of the bag, and under the arrangement of the bag opening shaft 301 and the sliding member 200, the bag opening of the bag can be opened more flatly, ensuring the smooth operation of the subsequent packaging operation.

[0043] The first group of vertical plates 500 includes two oppositely arranged vertical plates one, the second group of vertical plates 600 includes two oppositely arranged vertical plates two, the first driving member 700 is installed between the two vertical plates one, and the second driving member 800 is installed between the two vertical plates two.

[0044] By respectively arranging two groups of vertical plates and driving members, the control of the first group of bag opening rods 300 and the second group of bag opening rods 400 can be realized. At the same time, through the external controller, the actions of the first driving member 700 and the second driving member 800 are simultaneously linked and controlled, so that the first driving member 700 and the second driving member 800 can respectively control the first group of bag opening rods 300 and the second group of bag opening rods 400 to open the bag opening, improving the flexibility and adaptability of the bag opening mechanism, and further applicable to the opening of the bag opening of bags of different specifications and sizes.

[0045] Specifically, the first driving member 700 and the second driving member 800 have the same structure.

[0046] Specifically, the first group of bag opening rods 300 and the second group of bag opening rods 400 are respectively arranged between the two vertical plates one and the two vertical plates two.

[0047] The first driving member 700 and the second driving member 800 are both composed of a driving motor 701, a linkage rod 702, a guide rod 703 and two telescopic rods 704. The inner side surface of each of the two vertical plates one and two is provided with a guide groove 900 and a driving groove 1000. The driving motor 701 is connected with the linkage rod 702. One end of each of the two telescopic rods 704 is connected with one end of the linkage rod 702. The telescopic rod 704 is provided with a driving block 705 matched with the driving groove 1000. The guide rod 703 is installed on the telescopic end of the telescopic rod 704 and is matched with the guide groove 900. The top end of the bag opening shaft 301 is connected with the guide rod 703. The rotation of the driving motor 701 drives the telescopic rod 704 to move along the driving groove 1000, and drives the guide rod 703 to move along the guide groove 900 through the telescopic rod 704.

[0048] The driving member enables the bag opening shaft 301 to move along a specific path, thereby realizing the accurate opening of the bag. The rotation of the driving motor 701 and the telescopic movement of the telescopic rod 704 can ensure that the bag opening shaft 301 moves stably and accurately, avoiding damage or deformation of the bag caused by improper operation.

[0049] The first driving motor 701 and the second driving motor 701 can respectively drive the first group of bag opening rods 300 and the second group of bag opening rods 400 to move close to or away from each other.

[0050] Specifically, one end of the linkage rod 702 is connected with a sensing sheet through the vertical plate one or the vertical plate two. The outer side surface of the vertical plate one or the vertical plate two is connected with a sensing switch.

[0051] Specifically, the guide groove 900 is an "L"-shaped groove. The driving groove 1000 is an "S"-shaped groove. The design of the "L"-shaped guide groove 900 and the "S"-shaped driving groove 1000 enables the bag opening shaft 301 to move along a predetermined bag opening path during movement, which improves the accuracy and stability of the bag opening mechanism.

[0052] The support plate 100 is provided with a through feeding hole between the first group of bag opening rods 300 and the second group of bag opening rods 400. The feeding hole enables the bag to conveniently enter the bag opening mechanism for bag opening treatment.

[0053] The specific opening action process of the bag in the embodiment is as follows:

[0054] The bag opening mechanism is arranged on a packaging production line, specifically, the bag opening of the bag is arranged at the bottom of the support plate 100, and the bag opening is matched with one end of the material clamp 303 connected with the bag opening shaft 301, the first driving part 700 drives the first telescopic device 704 to move along the "S"-shaped driving groove 1000 inside the vertical plate, at the same time, the telescopic end of the first telescopic device 704 can drive the first guide rod 703 to move along the "L"-shaped guide groove 900, so that the first group of bag opening rods 300 are driven to descend and slide along the first sliding groove 101 through the first guide rod 703, thereby forming the descending and outward expansion;

[0055] At the same time, the first driving part 700 and the second driving part 800 are linked and controlled, so that the second telescopic device 704 is driven to move along the "S"-shaped driving groove 1000 inside the vertical plate two through the second driving part 800, at the same time, the telescopic end of the first telescopic device 704 can drive the second guide rod 703 to move along the "L"-shaped guide groove 900, so that the second group of bag opening rods 400 are driven to descend and slide along the second sliding groove 102 through the second guide rod 703, thereby forming the descending and outward expansion;

[0056] Specifically, the first driving part 700 and the second driving part 800 drive the first group of bag opening rods 300 and the second group of bag opening rods 400 to ascend and descend and move away from each other, that is, to expand outward, for example, the bag opening shaft 301 is provided with four, and the four bag opening shafts 301 are distributed in a rectangular shape, which can more uniformly assist in opening the bag opening, improve the efficiency of the bag opening forming, avoid the instability of the artificial bag opening forming affecting the bag opening, ensure the stability and consistency of the bag opening in the opening process, and thereby improve the accuracy and efficiency of the subsequent packaging operation.

[0057] In summary, the bag opening mechanism of the present application realizes the flat opening of the bag opening, improves the adaptability to different types and sizes of bags, and enhances the stability of the opening process, thereby improving the stability and reliability of the bag opening mechanism.

[0058] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above with the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications within the scope of the technical solution of the present application by using the disclosed technical content, but as long as it does not deviate from the technical solution of the present application, any simple modification, equivalent change and modification of the above embodiment according to the present application are within the scope of the technical solution of the present application.

Claims

1. A bag opening forming mechanism comprising a support plate, characterized by: The support plate is provided with two groups of symmetrically arranged sliding members, the two groups of sliding members are connected with symmetrically arranged first and second groups of bag opening rods through sliding plates, the support plate is provided with first and second sliding grooves extending horizontally along the sliding direction of the sliding members, one end of the first and second groups of bag opening rods extends to the bottom of the support plate through the first and second sliding grooves respectively, the other end of the first and second groups of bag opening rods extends to the top of the support plate, the support plate is connected with first driving members for driving the first group of bag opening rods to perform lifting action and sliding along the sliding grooves through the first group of vertical plates, the support plate is connected with second driving members for driving the second group of bag opening rods to perform lifting action and sliding along the sliding grooves through the second group of vertical plates, the first and second groups of bag opening rods can simultaneously perform lifting and outward expansion through linkage of the first and second driving members, and the bag opening is formed.

2. The bag opening forming mechanism according to claim 1, characterized by: The sliding member comprises a sliding rail and a sliding block, the sliding rail is mounted on the support plate, and the sliding plate is mounted on the sliding rail through the sliding block and can slide along the extension direction of the sliding rail.

3. The bag opening forming mechanism according to claim 1, characterized by: The first and second groups of bag opening rods are both composed of a bag opening shaft and a shaft sleeve, the shaft sleeve is mounted on the sliding plate, and the bag opening shaft is connected with the shaft sleeve in pairs, and the bag opening shaft can perform lifting movement along the axial direction of the shaft sleeve.

4. The bag opening forming mechanism according to claim 3, characterized by: The end of the bag opening shaft extending to the bottom of the support plate is connected with a clamp.

5. The bag opening forming mechanism according to claim 4, characterized by: The first group of vertical plates comprises two oppositely arranged vertical plates one, the second group of vertical plates comprises two oppositely arranged vertical plates two, the first driving member is mounted between the two vertical plates one, and the second driving member is mounted between the two vertical plates two.

6. The bag opening forming mechanism according to claim 5, wherein: The first and second driving members are both composed of a driving motor, a linkage rod, a guide rod and two extenders, the inner side surfaces of the two vertical plates one and the two vertical plates two are both provided with guide grooves and driving grooves, the driving motor is connected with the linkage rod, one end of the two extenders is connected with one end of the linkage rod, the extender is provided with a driving block matched with the driving groove, the guide rod is mounted on the extension end of the two extenders, the guide rod is matched with the guide groove, the top end of the bag opening shaft is connected with the guide rod, and the rotation of the driving motor drives the extender to move along the driving groove, and the guide rod moves along the guide groove through the extender.

7. The bag opening forming mechanism according to claim 6, characterized by: The guide groove is an "L"-shaped groove.

8. The bag opening forming mechanism according to claim 6, characterized by: The driving groove is an "S"-shaped groove.

9. The bag opening forming apparatus according to any one of claims 1 to 8, characterized by: The first and second driving members can respectively drive the first and second groups of bag opening rods to move close to or away from each other.

10. The bag opening forming apparatus according to any one of claims 1 to 8, characterized by: The support plate is provided with a through feeding hole between the first and second groups of bag opening rods.

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