Bag opening and blanking device

Abstract

The utility model discloses a bag opening and blanking device which comprises a blanking unit, a bag opening and blanking unit, a bag opening and blanking unit and a bag opening and blanking unit, the blanking unit comprises a first driving piece and a blanking bin, the blanking bin comprises a first bin door and a second bin door, the first bin door and the second bin door are oppositely arranged, and the first bin door can reciprocate along a first preset path; the clamping units are arranged on the sides, deviating from each other, of the first bin door and the second bin door, each clamping unit comprises a second driving part and a clamping block, and the second driving parts can drive the clamping blocks to move along a second preset path. The clamping blocks are driven by the second driving piece to move along the second preset path so as to form a space capable of clamping the edge of a bag body, after the bag opening is clamped by the clamping units on the two sides of the blanking bin, the bag opening is opened by moving the first bin door to the tail end of the first preset path, and packaging bags are opened. And then the packaging bag is subjected to blanking packaging through the blanking opening, the bag opening degree needed by filling materials into different packaging bags can be met, the bag opening effect is good, and the material packaging efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PE film packaging equipment, in particular to a bag supporting and blanking device. Background Art

[0002] Material packaging equipment is a type of machine that packages materials to protect them and facilitate transportation. The material packaging equipment mainly includes the following processes when it is working: bag loading, bag opening, material filling, bag conveying and bag sealing. The degree of bag opening and the quality of material filling process are directly related to the sealing quality of the bag, the accuracy of material filling weight and the compactness of the material in the bag. Utility Model Content

[0003] The utility model aims to provide a bag supporting and blanking device to solve the problems in the prior art.

[0004] The utility model provides a bag-supporting and material-dropping device, comprising:

[0005] A material dropping unit, comprising a first driving member and a material dropping bin, wherein the first driving member can drive the material dropping bin to reciprocate along a first direction, the first end of the material dropping bin has a material dropping port, the second end of the material dropping bin has a material discharge port, the material dropping bin comprises a first bin door and a second bin door, the first bin door and the second bin door are arranged opposite to each other, the first bin door and the second bin door are enclosed to form the material dropping bin, the first bin door can reciprocate along a first preset path to approach or move away from the second bin door, when the first bin door is located at the starting end of the first preset path, the material discharge port is closed, and when the first bin door is located at the end of the first preset path, the material discharge port is opened;

[0006] A clamping unit, wherein the first bin door and the second bin door are each provided with the clamping unit on one side opposite to each other, wherein the clamping unit comprises a second driving member and a clamping block, wherein the second driving member can drive the clamping block to move along a second preset path, wherein when the clamping block is located at the starting end of the second preset path, the clamping block is away from the first bin door and / or the second bin door, and when the clamping block is located at the end of the second preset path, the clamping block is close to the first bin door and / or the second bin door.

[0007] In the bag-supporting and blanking device as described above, preferably, the second driving member is a first cylinder, and the end of the piston rod of the first cylinder is pivotally connected to the clamping block.

[0008] The bag-supporting and blanking device as described above, preferably, comprises a third driving member, and the third driving member can drive the first bin door to reciprocate along the first preset path.

[0009] A bag-supporting and blanking device as described above, wherein preferably, the third driving member includes a second cylinder and a connecting rod assembly, one end of the connecting rod assembly is pivotally connected to the end of the piston rod of the second cylinder, and the other end of the connecting rod assembly is pivotally connected to the first bin door.

[0010] A bag-supporting and blanking device as described above, wherein preferably, the first driving member includes a first motor, a turntable and a driving rod, the output shaft end of the first motor is rotatably connected to the turntable, one end of the driving rod is pivotally connected to the turntable, and the other end of the driving rod is pivotally connected to the blanking bin.

[0011] Compared with the prior art, the utility model drives the clamping block to move along the second preset path through the second driving member to form a space capable of clamping the edge of the bag body. After the clamping units on both sides of the blanking bin clamp the bag opening, the first bin door is moved to the end of the first preset path to open the discharge port, thereby achieving bag support. The packaging bag is then blanked and packaged through the blanking port, which can meet the bag support degree required for filling materials in different packaging bags, has a good bag support effect, and is beneficial to improving material packaging efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional diagram of a bag-supporting and blanking device provided in an embodiment of the utility model from one viewing angle;

[0013] Figure 2 It is a three-dimensional diagram of another perspective of the bag supporting and blanking device provided by an embodiment of the utility model;

[0014] Figure 3 It is a front view of the bag supporting and blanking device provided in an embodiment of the utility model;

[0015] Figure 4 It is a three-dimensional diagram of a clamping unit provided in an embodiment of the utility model.

[0016] Description of reference numerals:

[0017] 10-feeding unit, 11-first driving member, 111-first motor, 112-driving rod, 113-turntable, 12-feeding bin, 121-feeding port, 122-first bin door, 123-second bin door, 124-discharging port, 13-third driving member, 131-second cylinder, 132-connecting rod assembly, 1321-first connecting rod, 1322-second connecting rod, 1323-third connecting rod;

[0018] 20-clamping unit, 21-second driving member, 22-clamping block;

[0019] D1 - First direction. DETAILED DESCRIPTION

[0020] The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0021] Reference Figure 1 as well as Figure 2 As shown, the utility model provides a bag-supporting and blanking device, which is mainly used to open the bag mouth of an independent bag body and then fill the bag body with materials. The bag-supporting and blanking device of the present application includes a blanking unit 10 and a clamping unit 20, wherein:

[0022] The material dropping unit 10 includes a first driving member 11 and a material dropping bin 12. The first driving member 11 can drive the material dropping bin 12 to reciprocate along a first direction D1, and the first direction D1 is the gravity direction. The material dropping unit 10 is arranged above the bag body, and the first driving member 11 can drive the material dropping bin 12 to approach or move away from the bag opening of the bag body. A material dropping opening 121 is arranged at the top of the material dropping bin 12, and the material to be filled can enter the material dropping bin 12 through the material dropping opening 121. A material discharge opening 124 is arranged at the bottom of the material dropping bin 12, and the material in the material dropping bin 12 can be filled into the bag body through the material discharge opening 124.

[0023] In the embodiment provided in the present application, the material drop bin 12 includes a first bin door 122 and a second bin door 123. The first bin door 122 and the second bin door 123 have the same structure and are arranged relative to each other. The first bin door 122 and the second bin door 123 together enclose an inverted trapezoidal material drop bin 12, and the material drop port 121 is located at the bottom of the inverted trapezoidal material drop bin 12.

[0024] In order to control where the material falls from the discharge port 124, the first bin door 122 is configured to reciprocate along a first preset path, so that the first bin door 122 is close to or away from the second bin door 123, so as to control the opening and closing of the discharge port 124. The first preset path is a path along which the first bin door 122 moves in a horizontal direction, the starting end of the first preset path is a position where the first bin door 122 is close to the second bin door 123, so that the discharge port 124 is completely closed, and the end of the first preset path is a position where the first bin door 122 is away from the second bin door 123 to a position where the opening of the discharge port 124 can meet the requirements of filling the bag with material.

[0025] The bag body needs to be opened before filling the material so that the material can fall. The bag opening of the present application is provided with a clamping unit 20 on the side of the first bin door 122 and the second bin door 123 that are away from each other, that is, the two opposite outer wall surfaces of the material dropping bin 12 are provided with a clamping unit 20, and the clamping unit 20 is used to clamp the two opposite sides of the bag opening of the bag body so as to open the bag body.

[0026] Reference Figure 3As shown, the clamping unit 20 includes a second driving member 21 and a clamping block 22. The two clamping blocks 22 are respectively arranged at one end of the first bin door 122 and the second bin door 123 close to the discharge port 124. The second driving member 21 can drive the clamping block 22 to move along the second preset path to approach or move away from the first bin door 122 and / or the second bin door 123. When the clamping block 22 moves to the starting end of the second preset path, there is a certain gap between the two clamping blocks 22 and the outer side surfaces of the first bin door 122 and the second bin door 123 respectively, and the opposite sides of the bag opening of the bag body can extend into the corresponding gaps respectively. Under the action of the second driving member 21, the two clamping blocks 22 move to the end of the second preset path respectively. The end of the second preset path is the side of the clamping block 22 close to the first bin door 122 or the second bin door 123 until the clamping block 22 abuts against the first bin door 122 or the second bin door 123 to clamp the bag opening.

[0027] Based on the above embodiments, the working principle of the bag-supporting and blanking device of the present application is as follows:

[0028] (1) Clamping the bag body: The two second driving members 21 respectively drive the corresponding clamping blocks 22 away from the first bin door 122 or the second bin door 123, so that a gap is formed between the clamping blocks 22 and the outer side walls of the first bin door 122 and the second bin door 123. Then the first driving member 11 drives the discharge bin 12 to move down to the top of the bag body of the material to be filled, and the two sides of the bag opening can extend into the corresponding gaps respectively. The second driving member 21 again drives the two clamping blocks 22 to approach the outer side walls of the first bin door 122 and the second bin door 123 respectively until the two sides of the bag opening are clamped respectively. At this point, the bag opening is clamped. At this time, the discharge port 124 is located inside the bag opening and is in a closed state.

[0029] (2) Bag support and material discharge: The first bin door 122 moves along the first preset path in a direction away from the second bin door 123 so that the discharge port 124 is gradually opened. As the discharge port 124 is gradually opened, the side surfaces of the bag body clamped by the two clamping units 20 move away from each other, thereby expanding the bag body. Finally, the material enters the discharge bin 12 from the discharge port 121 and is filled into the bag body through the discharge port 124.

[0030] In a feasible implementation mode, referring to Figure 4As shown, the second driving member 21 is a first cylinder, the piston rod end of the first cylinder is pivotally connected to the clamping block 22, the second preset path is the path of the clamping block 22 with the pivot point of the piston rod of the first cylinder and the clamping block 22 as the center of the circle, before clamping the bag body, the clamping block 22 moves to the starting end of the second preset path, the piston rod of the first cylinder retracts, driving the clamping block 22 to rotate in the direction away from the first compartment door 122 and the second compartment door 123, so as to form a gap to accommodate the bag body, when clamping the bag body, the piston rod of the first cylinder extends forward, driving the clamping block 22 to rotate in the direction close to the first compartment door 122 and the second compartment door 123, so as to clamp the bag body. In other embodiments, the second driving member 21 can adopt a structure or component that can drive the clamping block 22 to approach or move away from the first compartment door 122 and the second compartment door 123, which is not limited here.

[0031] In order to realize the reciprocating movement of the first bin door 122 along the first preset path, the bag support and blanking device of the present application is further provided with a third driving member 13. In the embodiment provided in the present application, referring to Figure 3 As shown, the third driving member 13 includes a second cylinder 131 and a connecting rod assembly 132, the connecting rod assembly 132 includes a first connecting rod 1321, a second connecting rod 1322 and a third connecting rod 1323, the first connecting rod 1321 is a V-shaped connecting rod, including a first connecting point, a second connecting point and a third connecting point, the piston rod end of the second cylinder 131 is pivoted to the first connecting point, the second connecting point is pivoted to the second compartment door 123, the third connecting point is pivoted to one end of the second connecting rod 1322, the other end of the second connecting rod 1322 is pivoted to one end of the third connecting rod 1323, and the other end of the third connecting rod 1323 is pivoted to the first compartment door 122.

[0032] When the piston rod of the second cylinder 131 extends forward, the first connecting rod 1321 rotates counterclockwise, driving the second connecting rod 1322 and the third connecting rod 1323 to rotate counterclockwise. Under the joint action of the connecting rod assembly 132, the first warehouse door 122 is pushed to move toward the end of the first preset path, so that the first warehouse door 122 is away from the second warehouse door 123, and the discharge port 124 is opened; when the end of the piston rod of the second cylinder 131 retracts, the first connecting rod 1321 rotates clockwise, driving the second connecting rod 1322 and the third connecting rod 1323 to rotate clockwise synchronously, and the first warehouse door 122 is pulled back to the starting end of the first preset path, so that the first warehouse door 122 gradually approaches the second warehouse door 123 until the discharge port 124 is closed.

[0033] In other embodiments, the third driving member 13 may adopt other structures or components that can drive the first compartment door 122 to reciprocate along the first preset path, which is not limited here.

[0034] In the embodiment provided in the present application, the first driving member 11 includes a first motor 111 and a driving rod 112. The first driving member 11 is used to drive the drop bin 12 to move up and down to move closer to or away from the bag body. Figures 1 to 3 As shown, a turntable 113 is provided at the output shaft end of the first motor 111, one end of the driving rod 112 is pivoted to the turntable 113, and the other end of the driving rod 112 is pivoted to the material drop bin 12. When the first motor 111 is started, the turntable 113 is driven to rotate, and one end of the driving rod 112 moves up and down with the rotation of the turntable 113, thereby realizing the up and down movement of the material drop bin 12.

[0035] In other embodiments, the first driving member 11 may adopt other structures or components that can drive the dropping bin 12 to rise and fall, which is not limited here.

[0036] The above describes in detail the structure, features and effects of the utility model based on the embodiments shown in the drawings. The above is only a preferred embodiment of the utility model, but the utility model is not limited to the scope of implementation shown in the drawings. Any changes made in accordance with the concept of the utility model, or modifications to equivalent embodiments with equivalent changes, which still do not exceed the spirit covered by the description and the drawings, should be within the protection scope of the utility model.

Claims

1. A bag-supporting and blanking device, characterized in that: include: A material dropping unit, comprising a first driving member and a material dropping bin, wherein the first driving member can drive the material dropping bin to reciprocate along a first direction, the first end of the material dropping bin has a material dropping port, the second end of the material dropping bin has a material discharge port, the material dropping bin comprises a first bin door and a second bin door, the first bin door and the second bin door are arranged opposite to each other, the first bin door and the second bin door are enclosed to form the material dropping bin, the first bin door can reciprocate along a first preset path to approach or move away from the second bin door, when the first bin door is located at the starting end of the first preset path, the material discharge port is closed, and when the first bin door is located at the end of the first preset path, the material discharge port is opened; A clamping unit, wherein the first bin door and the second bin door are each provided with the clamping unit on one side opposite to each other, wherein the clamping unit comprises a second driving member and a clamping block, wherein the second driving member can drive the clamping block to move along a second preset path, wherein when the clamping block is located at the starting end of the second preset path, the clamping block is away from the first bin door and / or the second bin door, and when the clamping block is located at the end of the second preset path, the clamping block is close to the first bin door and / or the second bin door.

2. The bag-opening and blanking device according to claim 1, characterized in that: The second driving member is a first cylinder, and the end of the piston rod of the first cylinder is pivotally connected to the clamping block.

3. The bag-supporting and blanking device according to claim 1, characterized in that: A third driving member is included, and the third driving member can drive the first bin door to reciprocate along the first preset path.

4. The bag-supporting and blanking device according to claim 3, characterized in that: The third driving member includes a second cylinder and a connecting rod assembly, one end of the connecting rod assembly is pivotally connected to the end of the piston rod of the second cylinder, and the other end of the connecting rod assembly is pivotally connected to the first warehouse door.

5. The bag-supporting and blanking device according to claim 1, characterized in that: The first driving member includes a first motor, a turntable and a driving rod, the output shaft end of the first motor is rotatably connected to the turntable, one end of the driving rod is pivotally connected to the turntable, and the other end of the driving rod is pivotally connected to the drop bin.

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