Bag making machine for plastic packaging bags

Abstract

The utility model discloses a bag making machine for plastic packaging bags, and relates to the technical field of bag making machines. The conveying device comprises a conveyor, and further comprises a downward pressing part which is installed above the conveyor and used for driving all parts to press downwards or ascend, and a driving part which is installed above the conveyor and used for driving all the parts to move upwards. The film pressing part is mounted on the downward pressing part and is positioned between the downward pressing part and the conveyor; the telescopic part is arranged in the film pressing part and is used for connecting all parts on the film pressing part; wherein the lower pressing part can drive the film pressing part and the telescopic part on the film pressing part to move up and down, and when the film pressing part moves downwards, raw materials can be pressed. By arranging the film pressing part, the problems that in the using process of an existing plastic packaging bag making machine, raw materials are prone to moving or shaking in the cutting process, so that the cutting size is inaccurate, the size of the cut plastic packaging bag can be larger than or smaller than the design size, the specification consistency of products is affected, and the product quality is influenced are solved. And the product quality is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bag making machine, especially a kind of bag making machine of plastic packaging bag. BACKGROUND

[0002] In today's global consumer market, the food industry presents an unprecedented prosperity. With the acceleration of people's life rhythm and the change of consumption concept, the market share of various processed foods such as pre-packaged food, frozen food and leisure food continues to expand. Whether it is a large chain supermarket or a street convenience store, the shelves full of food need exquisite packaging. Food companies constantly launch new product lines to meet consumers' increasingly diverse purchasing needs, which has led to a sharp increase in demand for food packaging. Therefore, bag making machine is needed for mass production of packaging bags.

[0003] However, the existing bag making machine for plastic packaging bags is prone to movement or shaking during cutting, resulting in inaccurate cutting size. The size of the cut plastic packaging bag may be larger or smaller than the design size, affecting the consistency of product specifications and reducing product quality. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of bag making machine for plastic packaging bag, by setting up film pressing part, it has solved the bag making machine for plastic packaging bag in prior art in the process of using, raw material is prone to movement or shaking during cutting, resulting in inaccurate cutting size. The size of the cut plastic packaging bag may be larger or smaller than the design size, affecting the consistency of product specifications and reducing product quality.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a kind of bag making machine for plastic packaging bag, including conveyor, further comprising:

[0007] Lower pressing part, the lower pressing part is installed above the conveyor, for driving the lower pressing or rising of each component;

[0008] Film pressing part, the film pressing part is installed on the lower pressing part, between the lower pressing part and the conveyor;And

[0009] Expansion part, the expansion part is installed in the film pressing part, for the connection between each component on the film pressing part;

[0010] Wherein, the lower pressing part can drive the expansion part on the film pressing part and the expansion part to move up and down, when the film pressing part moves downward, the raw material can be pressed, to provide a stable basis for subsequent cutting. During the process of pressing the raw material by the film pressing part, the expansion of the expansion part can buffer the pressure of the film pressing part.

[0011] Further, the pressing part comprises a support frame I fixedly connected to the top of the conveyor, the top of the support frame I is fixedly connected with an electric telescopic rod, the output shaft of the electric telescopic rod penetrates the support frame I, and a cutting piece is arranged on the electric telescopic rod;

[0012] The support frame I is used to provide support for each component, and the electric telescopic rod provides power output for the pressing or lifting of the film pressing part and the telescopic part.

[0013] Further, the film pressing part comprises two film pressing shells arranged above the pressing part, and a support frame II is arranged in each of the two film pressing shells, and a rotating piece is arranged on the support frame II.

[0014] The film pressing shell can press the raw material on the conveyor to avoid shaking during cutting, and the support frame II provides support for the rotating piece.

[0015] Further, the telescopic part comprises a buffer assembly I, the buffer assembly I is located between the film pressing shell and the support frame II, and two groups of buffer assembly I are arranged, and each group of buffer assembly I is provided with two buffer assembly I; and

[0016] A buffer assembly II is arranged, and each group of buffer assembly II is located in the middle of each group of buffer assembly I.

[0017] The buffer assembly I can buffer the pressure of the film pressing part on the raw material when the film pressing part is pressed, and the buffer assembly II can further buffer the pressure and reduce the fatigue degree of the buffer assembly I.

[0018] Further, the buffer assembly I comprises a plurality of L-shaped support rods fixedly connected to the top of the film pressing shell, and a telescopic piece is arranged in each of the two film pressing shells.

[0019] The end of the L-shaped support rod away from the film pressing shell is fixedly connected with the cutting piece, and is used for connecting the cutting piece and the film pressing shell.

[0020] Further, the buffer assembly II comprises two rectangular support blocks fixedly connected to the top of the support frame II, a slide rod is fixedly connected between the two rectangular support blocks, a connecting block is fixedly connected to the inner wall of the top of the film pressing shell, and an elastic piece is arranged on the slide rod.

[0021] The rectangular support block is used to support the slide rod, and the slide rod is used to support the elastic piece.

[0022] Further, the cutting piece comprises a support plate fixedly connected to the output shaft of the electric telescopic rod, and a cutter is fixedly connected to the bottom of the support plate.

[0023] The height of the cutting edge of the cutter is flush with the height of the bottom of the film pressing shell, and is used to cut the raw material into the required shape.

[0024] Further, the rotating member comprises a rotating shaft rotatably connected to the inner walls of the second support frame, and the outer wall of the rotating shaft is fixedly connected with the film pressing roller;

[0025] The film pressing roller can preliminarily position the raw material before the film pressing shell presses the raw material, and does not affect the movement of the raw material on the conveyor.

[0026] Further, the telescopic rod comprises a telescopic rod fixedly connected to the top of the second support frame, the top of the telescopic rod is fixedly connected with the film pressing shell, the outer wall of the telescopic rod is sleeved with a spring one, the top of the spring one is fixedly connected with the film pressing shell, and the bottom of the spring one is fixedly connected with the second support frame.

[0027] The telescopic spring one can buffer the pressure of the film pressing part on the raw material, and the telescopic rod can provide guidance for the telescopic spring one.

[0028] Further, the elastic member comprises two sliding blocks slidingly connected to the outer wall of the sliding rod, the top of each of the two sliding blocks is hingedly provided with a connecting rod, the top of each of the two connecting rods is hingedly connected with a connecting block, the outer wall of the sliding rod is sleeved with two springs two, the side, where the two springs two are close to each other, is fixedly connected with the two sliding blocks respectively, and the side, where the two springs two are away from each other, is fixedly connected with the two rectangular supporting blocks respectively.

[0029] The spring two can cooperate with the spring one to further buffer the pressure of the film pressing part on the raw material, and provide a pushing force for the reset of the two sliding blocks.

[0030] The utility model has the following beneficial effects:

[0031] 1. By setting the film pressing part, when the raw material needs to be cut, the electric telescopic rod can be started, the electric telescopic rod drives the film pressing shell to move downwards through the supporting plate and the L-shaped supporting rod until the film pressing roller contacts the raw material, at this time, the conveyor is closed and the conveying of the raw material is stopped. Because of the rotating setting of the rotating shaft, even if the conveyor is closed later, the raw material will not be deviated under the action of friction, and the electric telescopic rod is still continuing to extend, and the pressure is applied to the film pressing shell. At this time, the film pressing roller will retract into the film pressing shell under the action of the telescopic part, and the film pressing shell completes the fixation of the raw material, so that the raw material can be ensured to be in the correct position during cutting, and the cutting knife can cut along the preset cutting line, thereby improving the accuracy of the cutting size and the flatness of the cutting, reducing the size deviation and the irregularity of the cutting caused by the deviation of the raw material, and ensuring the stability of the raw material during cutting, preventing the cutting precision from being affected by the shaking of the raw material during cutting, and further improving the specification consistency and overall quality of the plastic packaging bag.

[0032] 2、By setting the telescopic part, when the film pressing roller contacts with the raw material, the continuous elongation of the electric telescopic rod will make the telescopic rod and spring one be compressed, at this time, spring one will buffer this pressure, and due to the continuous downward movement of the film pressing shell, the two sliding blocks will be away from each other at the connection of the connecting block and the connecting rod, and force two springs two to be compressed, thereby further increasing the buffering effect of the device, so that the excessive impact force of the film pressing shell on the raw material during the pressing process can be avoided, the raw material is prevented from being crushed or deformed, thereby ensuring the quality and appearance of the raw material, and avoiding the local movement or deformation of the raw material caused by sudden pressure change, ensuring that the raw material is in a flat and stable state during cutting, which is beneficial to improve the cutting precision and quality.

[0033] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0035] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0036] Figure 2 It is a schematic diagram of the partial cross-sectional structure of the pressing part of the present application;

[0037] Figure 3 It is a schematic diagram of the partial cross-sectional structure of the telescopic part of the present application;

[0038] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the telescopic part of the present application; Figure 2

[0039] Figure 5 It is a schematic diagram of the partial cross-sectional structure of the telescopic part of the present application; Figure 3

[0040] In the drawings, the component list represented by each number is as follows:

[0041] ​​1, the lower pressing part; 111, the conveyor; 112, the support frame one; 113, the electric telescopic rod; 114, the support plate; 115, the cutter; 2, the film pressing part; 211, the film pressing shell; 212, the support frame two; 213, the rotating shaft; 214, the film pressing roller; 3, the telescopic part; 31, the buffer assembly one; 311, the L-shaped support rod; 312, the telescopic rod; 313, the spring one; 32, the buffer assembly two; 321, the rectangular support block; 322, the sliding rod; 323, the connecting block; 324, the sliding block; 325, the connecting rod; 326, the spring two. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0043] Please refer to Figures 1-5 As shown in the figure, the utility model is a kind of plastic packaging bag making machine, including conveyor 111, still including: lower pressing part 1, lower pressing part 1 is installed above conveyor 111, for driving the lower pressing or rising of each component;Film pressing part 2, film pressing part 2 is installed on lower pressing part 1, between lower pressing part 1 and conveyor 111;And telescopic part 3, telescopic part 3 is installed in film pressing part 2, for the connection between each component on film pressing part 2;Wherein, lower pressing part 1 can drive film pressing part 2 and telescopic part 3 on film pressing part 2 to move up and down, when film pressing part 2 moves down, raw material can be pressed, to provide stable basis for subsequent cutting, in the process that film pressing part 2 stably presses raw material, the expansion of telescopic part 3 can buffer the pressure of film pressing part 2, lower pressing part 1 includes support frame one 112 fixedly connected at the top of conveyor 111, the top of support frame one 112 is fixedly connected with electric telescopic rod 113, the output shaft of electric telescopic rod 113 penetrates support frame one 112, cutting member is arranged on electric telescopic rod 113;Wherein, support frame one 112 is used to provide support for each component, electric telescopic rod 113 provides power output for the lower pressing or rising of film pressing part 2 and telescopic part 3, cutting member includes support plate 114 fixedly connected on the output shaft of electric telescopic rod 113, the bottom of support plate 114 is fixedly connected with cutter 115;Wherein, the height of the cutting edge of cutter 115 is flush with the height of the bottom of film pressing shell 211, for cutting raw material into the required shape.

[0044] The film pressing part 2 comprises two film pressing shells 211 arranged above the pressing part 1, and each of the two film pressing shells 211 is provided with a support frame two 212, and the support frame two 212 is provided with a rotating part; wherein the film pressing shell 211 can press the raw material on the conveyor 111 to avoid shaking during cutting, the support frame two 212 provides support for the rotating part, and the rotating part comprises a rotating shaft 213 rotatably connected to the inner wall of the support frame two 212, and the outer wall of the rotating shaft 213 is fixedly connected with a film pressing roller 214; wherein the film pressing roller 214 can preliminarily position the raw material before the film pressing shell 211 presses the raw material, and does not affect the movement of the raw material on the conveyor 111, by arranging the film pressing part 2, it can ensure that the raw material is in the correct position during cutting, and the cutter 115 can cut along the preset cutting line, thereby improving the accuracy of the cutting size and the flatness of the cut, reducing the size deviation and the irregularity of the cut caused by the deviation of the raw material, and ensuring that the raw material remains stable during the cutting process, preventing the cutting precision from being affected by the shaking of the raw material during cutting, and thereby improving the specification consistency and overall quality of the plastic packaging bag.

[0045] The telescopic part 3 comprises two groups of buffer assemblies one 31, which are located between the film pressing shell 211 and the support frame two 212, and each group is provided with two buffer assemblies one 31; and two groups of buffer assemblies two 32, and each group of buffer assemblies two 32 is located in the middle of each group of buffer assemblies one 31; wherein the buffer assemblies one 31 can buffer the pressure of the raw material on the film pressing part 2 when the film pressing part 2 is pressed down, and the buffer assemblies two 32 can further buffer the pressure while reducing the fatigue degree of the buffer assemblies one 31, the buffer assemblies one 31 comprises a plurality of L-shaped support rods 311 fixedly connected to the top of the film pressing shell 211, and two telescopic parts are arranged in the film pressing shell 211; wherein the end of the L-shaped support rod 311 away from the film pressing shell 211 is fixedly connected with the cutting part for the connection between the cutting part and the film pressing shell 211, the buffer assemblies two 32 comprise two rectangular support blocks 321 fixedly connected to the top of the support frame two 212, a slide rod 322 is fixedly connected between the two rectangular support blocks 321, a connecting block 323 is fixedly connected to the inner wall of the top of the film pressing shell 211, and an elastic element is arranged on the slide rod 322; wherein the rectangular support block 321 is used for supporting the slide rod 322, the slide rod 322 is used for supporting the elastic element, the telescopic rod comprises a telescopic rod 312 fixedly connected to the top of the support frame two 212, the top of the telescopic rod 312 is fixedly connected with the film pressing shell 211, a spring one 313 is sleeved on the outer wall of the telescopic rod 312, the top of the spring one 313 is fixedly connected with the film pressing shell 211, and the bottom of the spring one 313 is fixedly connected with the support frame two 212; wherein the telescoping of the spring one 313 can buffer the pressure of the raw material on the film pressing part 2, and the telescopic rod 312 can provide guidance for the telescoping of the spring one 313, the elastic element comprises two sliding blocks 324 slidingly connected to the outer wall of the slide rod 322, two connecting rods 325 are hingedly arranged at the top of the two sliding blocks 324, the top of the two connecting rods 325 is hingedly connected with the two connecting blocks 323 respectively, two spring twos 326 are sleeved on the outer wall of the slide rod 322, the side of the two spring twos 326 away from each other is fixedly connected with the two sliding blocks 324 respectively, and the side of the two spring twos 326 close to each other is fixedly connected with the two rectangular support blocks 321 respectively; wherein the spring two 326 can cooperate with the spring one 313 to further buffer the pressure of the raw material on the film pressing part 2, and provide a pushing force for the resetting of the two sliding blocks 324, by arranging the telescopic part 3, the impact force of the film pressing shell 211 on the raw material during the pressing process can be avoided, the raw material can be prevented from being crushed or deformed, thereby ensuring the quality and appearance of the raw material, and the local movement or deformation of the raw material caused by sudden pressure change is avoided, the raw material is ensured to be in a flat and stable state during cutting, which is conducive to improving the cutting precision and quality.

[0046] A specific application of the embodiment is: in use, first, the raw material to be cut is placed on the conveyor 111, the conveyor 111 is started to convey the raw material to the right until it is conveyed below the cutter 115, the electric telescopic rod 113 is started, the electric telescopic rod 113 drives the film pressing shell 211 to move downwards through the supporting plate 114 and the L-shaped supporting rod 311 until the film pressing roller 214 contacts the raw material, at this time, the conveyor 111 is closed to stop conveying the raw material, because of the rotation setting of the rotating shaft 213, even if the conveyor 111 is closed later, the raw material will not be offset under the action of the friction force, and the electric telescopic rod 113 continues to be elongated to apply pressure to the film pressing shell 211, at this time, the film pressing roller 214 is retracted into the film pressing shell 211 under the action of the telescopic part 3, the film pressing shell 211 completes the fixation of the raw material, when the film pressing roller 214 contacts the raw material, the continuous elongation of the electric telescopic rod 113 will compress the telescopic rod 312 and the spring 313, at this time, the spring 313 will buffer this pressure, and because the film pressing shell 211 continues to move downwards, the two sliding blocks 324 will be connected to the connecting block 323 and the connecting rod 325 to move away from each other and force the two springs 326 to be compressed, thereby further increasing the buffering effect of the device, because the cutting edge of the cutter 115 is flush with the film pressing shell 211, when the film pressing shell 211 presses the raw material, the cutter 115 can cut the raw material.

[0047] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0048] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A bag making machine for plastic packaging bags, comprising a conveyor, characterized in that, Also include: The lower part, the lower part is installed above the conveyor, for driving the lower part or the rise of each component; Film pressing part, the film pressing part is installed on the lower part, between the lower part and the conveyor; And The telescopic part is installed in the film pressing part, for the connection between each part on the film pressing part; Wherein, the lower part can drive the film pressing part and the telescopic part on the film pressing part to move up and down, when the film pressing part moves down, the raw material can be pressed, to provide a stable basis for the subsequent cutting, in the process of the film pressing part to press the raw material, the telescopic part can buffer the pressure of the film pressing part.

2. The bag making machine for plastic packaging bags according to claim 1, characterized in that The lower part includes a support frame one fixedly connected to the top of the conveyor, the top of the support frame one is fixedly connected with an electric telescopic rod, the output shaft of the electric telescopic rod penetrates the support frame one, and the electric telescopic rod is provided with a cutting part; Wherein, the support frame one is used to provide support for each component, and the electric telescopic rod provides power output for the lower part or the rise of the film pressing part and the telescopic part.

3. The machine for making plastic packaging bags according to claim 2, characterized in that, The film pressing part includes two film pressing shells arranged above the lower part, two support frames two are arranged in the film pressing shell, and a rotating part is arranged on the support frame two; Wherein, the film pressing shell can press the raw material on the conveyor to avoid shaking during cutting, and the support frame two provides support for the rotating part.

4. The bag making machine for plastic packaging bags according to claim 3, characterized in that The telescopic part includes a buffer assembly one, the buffer assembly one is located between the film pressing shell and the support frame two, and two groups are arranged, and each group is provided with two; And Buffer assembly two, the buffer assembly two is provided with two groups, and each group of buffer assembly two is located in the middle of each group of buffer assembly one; Wherein, the buffer assembly one can buffer the pressure of the film pressing part acting on the raw material when the film pressing part is pressed down, and the buffer assembly two can further buffer the pressure while reducing the fatigue degree of the buffer assembly one.

5. A machine for making plastic bags as claimed in claim 4, characterized in that, The buffer assembly one includes a plurality of L-shaped support rods fixedly connected to the top of the film pressing shell, and a telescopic part is arranged in the film pressing shell; Wherein, the end of the L-shaped support rod away from the film pressing shell is fixedly connected with the cutting part, which is used for the connection between the cutting part and the film pressing shell.

6. A machine for making plastic bags as claimed in claim 5, characterized in that, The buffer assembly two includes two rectangular support blocks fixedly connected to the top of the support frame two, a slide rod is fixedly connected between the two rectangular support blocks, a connecting block is fixedly connected to the top inner wall of the film pressing shell, and an elastic element is arranged on the slide rod; Wherein, the rectangular support block is used to support the slide rod, and the slide rod is used to support the elastic element.

7. A machine for making plastic bags as claimed in claim 6, characterized in that The cutting part includes a support plate fixedly connected to the output shaft of the electric telescopic rod, and a cutter is fixedly connected to the bottom of the support plate; Wherein, the height of the cutting edge of the cutter is flush with the height of the bottom of the film pressing shell, which is used to cut the raw material into the required shape.

8. The bag making machine for plastic packaging bags according to claim 7, characterized in that The rotating part includes a rotating shaft rotatably connected to the inner wall of the support frame two, and a film pressing roller is fixedly connected to the outer wall of the rotating shaft; Wherein, the film pressing roller can preliminarily position the raw material before the film pressing shell presses the raw material, and does not affect the movement of the raw material on the conveyor.

9. A machine for making plastic bags as claimed in claim 8, characterized in that, The telescopic rod is fixedly connected to the top of the second support frame, the top of the telescopic rod is fixedly connected to the film pressing shell, a spring one is sleeved on the outer wall of the telescopic rod, the top of the spring one is fixedly connected to the film pressing shell, and the bottom of the spring one is fixedly connected to the second support frame. The telescopic rod can provide guidance for the telescopic spring one, and the telescopic spring one can buffer the pressure of the film pressing part on the raw materials.

10. The bag making machine for plastic packaging bags according to claim 9, characterized in that, The elastic member comprises two sliding blocks which are slidingly connected to the outer wall of the sliding rod, the top of each sliding block is hingedly provided with a connecting rod, the top of each connecting rod is hingedly connected to a connecting block, two spring twos are sleeved on the outer wall of the sliding rod, the side, away from each other, of each spring two is fixedly connected to a sliding block, and the side, close to each other, of each spring two is fixedly connected to a rectangular supporting block. The spring twos can cooperate with the spring one to further buffer the pressure of the film pressing part on the raw materials, and provide a pushing force for the reset of the two sliding blocks.

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