Pressing device for bag making machine

Abstract

The utility model relates to the technical field of bag making machines, and discloses a pressing device for a bag making machine, which comprises a stand column, a base is arranged on one side of the stand column, a movable groove is arranged in one side, close to the stand column, of the base, a positioning assembly is arranged in the movable groove, the positioning assembly comprises a sliding groove arranged in the movable groove, and a sliding block is arranged in the sliding groove. A movable plate is connected to one side of the sliding block, gear grooves are formed in the adjacent sides of the movable plate and the movable plate, a transmission gear is arranged between the gear grooves, a connecting rod is arranged in one end of the movable plate, the upper end of the connecting rod extends to the position above the movable groove and is connected with a positioning plate, and a material guiding rod is movably arranged in the positioning plate in a penetrating mode; the positioning plate is controlled to slide on the material guide rod through the movable plate, the positions of the two sides of a plastic tape on the material guide rod are limited, and the problems that when an existing bag making machine body is used, raw materials are inconvenient to limit, and the direction is deviated during hot pressing are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bag making machines, in particular to a pressing device for bag making machines. Background Art

[0002] Bag making machine is a machine for making various plastic packaging bags or other material packaging bags. Its processing range is packaging bags of various sizes, thicknesses and specifications of plastics or other materials. Generally speaking, plastic packaging bags are the main products.

[0003] Chinese patent document CN116727274B discloses a bag making machine, including a bag making mechanism, a fixing frame, a feeding box, a driving assembly, a transfer assembly and a weighing and screening assembly. The material receiving port in the bag making mechanism is located below the qualified product discharge port, a feeding pipe is arranged below the feeding box, the material guide pipe in the transfer assembly is distributed on the surface of the first rotating shell, one end of the material guide pipe is connected to the feeding pipe, the pressure plate and the unqualified product drop-out port in the weighing and screening assembly are both arranged on the outer surface of the second rotating shell, the axes of the first rotating shell and the second rotating shell are consistent, the pressure plate is connected to the second rotating shell through a second reset spring, the unqualified product drop-out port is distributed between two adjacent material guide pipes, the first rotating shell and the second rotating shell are both transmission-connected to the driving assembly, and the driving assembly is used to drive the first rotating shell and the second rotating shell to rotate respectively. The above patent has the characteristics of compact structure, small size, easy operation and strong practicality. However, the bag-making machine is not convenient for limiting the edge of the feeding process when in use, and the directional feeding limiting effect is not good, which may cause the direction of the plastic bag to shift during hot pressing, thereby reducing the product molding effect.

[0004] Therefore, in order to solve such problems, we propose a pressing device for a bag making machine. Utility Model Content

[0005] The purpose of the utility model is to provide a pressing device for a bag making machine, aiming to solve the problem in the above-mentioned background technology that the existing bag making machine body is not convenient for limiting the edge of the feeding process when in use, and the directional feeding limiting effect is not good, which may cause the direction of the plastic bag to deviate during hot pressing, thereby reducing the product molding effect.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pressing device for a bag making machine, comprising a column and a material guide assembly arranged on the column, a square frame is penetrated through the upper end of the column, a base is arranged on one side of the column, a pressing assembly is arranged on the top middle part of the base, a movable groove is arranged inside the side of the base close to the column, and a positioning assembly is arranged inside the movable groove;

[0007] The positioning assembly includes a slide groove arranged inside the movable groove, a slider is arranged inside the slide groove, a movable plate is connected to one side of the slider, a gear groove is arranged on the movable plate and the adjacent side of the movable plate, a transmission gear is arranged between the gear grooves, a connecting rod is arranged inside one end of the movable plate, the upper end of the connecting rod extends to the top of the movable groove and is connected to the positioning plate, a guide rod is arranged inside the positioning plate, and ear plates are rotatably arranged at both ends of the guide rod, and one end of the ear plate is fixedly mounted on the column.

[0008] Preferably, the material guide assembly includes a fixed guide roller arranged at the lower part of the column, an adjustable guide roller is arranged above the fixed guide roller, moving blocks are arranged at both ends of the adjustable guide roller, both ends of the moving block are slidably arranged inside the moving groove, the moving groove is arranged on the inner side wall of the square frame, the inner spiral of the moving block is connected to a lifting screw, and the upper end of the lifting screw is connected to a rocking hand.

[0009] Preferably, a rotating shaft is disposed inside the transmission gear, and one end of the rotating shaft is connected to a motor.

[0010] Preferably, the pressing assembly includes a hydraulic cylinder arranged inside the base, the upper end of the hydraulic cylinder is connected to a hydraulic telescopic rod, the upper end of the hydraulic telescopic rod is provided with a fixed frame, a hot pressing plate is provided below the fixed frame, a pad is provided below the hot pressing plate, and the pad is provided on the top of the base.

[0011] Preferably, a material receiving assembly is provided on the side of the cushion block away from the column, and the material receiving assembly includes a support column fixedly installed on the top of the base, a roller shaft is rotatably connected between adjacent sides of the support column, one end of the roller shaft is connected to motor 2, an outer roller is sleeved on the outside of the roller shaft, and inner rollers are slidably arranged on both sides of the outer roller.

[0012] Preferably, a bearing is arranged outside the end of the inner roller away from the outer roller, a limit plate is sleeved outside the bearing, an electric telescopic rod is connected to the side of the limit plate close to the support column, and one end of the electric telescopic rod is arranged on the support column.

[0013] The utility model has the following beneficial effects:

[0014] In the utility model, the raw material is first limited by the positioning plate on the guide rod, and then limited by the limiting plate in the material receiving assembly, so that the raw material is always in a stable position during the pressing process, and position displacement will not occur during hot pressing, thereby avoiding the phenomenon of low raw material forming effect, improving work efficiency, and ensuring the quality of the pressed product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of a pressing device for a bag making machine proposed by the utility model;

[0016] Figure 2It is a plan view of a pressing device for a bag making machine proposed by the utility model;

[0017] Figure 3 It is a three-dimensional schematic diagram of a material guide assembly in a pressing device for a bag making machine proposed by the utility model;

[0018] Figure 4 This is a three-dimensional exploded view of a positioning component in a pressing device for a bag making machine proposed by the utility model;

[0019] Figure 5 The utility model is a three-dimensional schematic diagram of a material receiving component in a pressing device for a bag making machine.

[0020] Legend:

[0021] 1. Column; 11. Square frame; 2. Material guide assembly; 21. Fixed guide roller; 22. Adjustable guide roller; 23. Moving block; 24. Moving slot; 25. Lifting screw; 26. Rocker; 3. Base; 31. Movable slot; 4. Positioning assembly; 41. Slide slot; 42. Sliding block; 43. Movable plate; 44. Gear groove; 45. Transmission gear; 46. Connecting rod; 47. Positioning plate; 48. Material guide rod; 49. Ear plate; 5. Rotating shaft; 6. Motor 1; 7. Pressing assembly; 71. Hydraulic cylinder; 72. Hydraulic telescopic rod; 73. Fixed frame; 74. Hot pressing plate; 75. Pad block; 8. Material receiving assembly; 81. Support column; 82. Roller shaft; 83. Motor 2; 84. Outer roller; 85. Inner roller; 86. Bearing; 87. Limiting plate; 88. Electric telescopic rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Reference Figure 1-5 The utility model provides an embodiment: a pressing device for a bag making machine, comprising a column 1, two columns 1 are provided, a material guide component 2 is provided between the columns 1, the material guide component 2 guides the plastic bottom to enter the hot pressure relief, a square frame 11 is penetrated through the upper end of the column 1, a base 3 is provided on one side of the column 1, a pressing component 7 is provided on the top of the base 3, the pressing component 7 performs hot pressing on both sides of the plastic belt, a movable groove 31 is provided inside the side of the base 3 close to the column 1, the upper end of the movable groove 31 is set through the top of the base 3, and a positioning component 4 is provided inside the movable groove 31.

[0025] The positioning assembly 4 includes a slide groove 41 arranged inside the movable groove 31, and two slide grooves 41 are provided, and are respectively arranged on the bottom end and the side wall inside the movable groove 31. A slider 42 is arranged inside the slide groove 41, and a movable plate 43 is connected to the top of one slider 42, and a movable plate 43 is connected to the side of the other slider 42. The movable plate 43 moves inside the movable groove 31 along the slide groove 41 through the slider 42. A gear groove 44 is arranged on one side adjacent to the movable plate 43, and a transmission gear 45 is arranged between the gear grooves 44. The gear groove 44 is meshed with the transmission gear 45, and the transmission gear 45 rotates to drive the movable plate 43 to rotate. The gear groove 44 moves, thereby controlling the synchronous movement of the two movable plates 43. A connecting rod 46 is provided inside the right end of one movable plate 43, and a connecting rod 46 is provided inside the left end of the other movable plate 43. The upper end of the connecting rod 46 extends to the top of the movable groove 31 and is connected to a positioning plate 47. A guide rod 48 is provided inside the positioning plate 47 for movement through the inside. Ear plates 49 are rotatably provided at both ends of the guide rod 48. One end of the ear plate 49 is fixedly mounted on the column 1. The positioning plate 47 is controlled by the movable plate 43 to slide on the guide rod 48, so as to limit the double-sided position of the plastic belt on the guide rod 48.

[0026] The material guide assembly 2 includes a fixed guide roller 21 arranged at the lower part of the column 1, an adjusting guide roller 22 is arranged above the fixed guide roller 21, and main shafts are connected through the fixed guide roller 21 and the adjusting guide roller 22. Both ends of the main shaft of the fixed guide roller 21 are rotatably connected to the inside of the column 1, and moving blocks 23 are arranged at both ends of the main shaft of the adjusting guide roller 22. The moving block 23 is arranged inside the square frame 11, and both ends of the moving block 23 are slidably arranged inside the moving groove 24. The moving groove 24 is arranged on the inner side wall of the square frame 11. The interior of the moving block 23 is spirally connected with a lifting screw 25, and the lower end of the lifting screw 25 is rotatably arranged inside the column 1, and the upper end of the lifting screw 25 extends through and extends to the top of the column 1, and is connected with a crank 26. The lifting screw 25 controls the moving block 23 to drive the adjusting guide roller 22 to move, and adjusts the spacing between the fixed guide roller 21 and the adjusting guide roller 22 to adapt to plastic belts of various thicknesses.

[0027] A rotating shaft 5 is provided inside the transmission gear 45, one end of the rotating shaft 5 is rotatably connected to the inside of the movable groove 31, and the other end of the rotating shaft 5 passes through the movable groove 31 and extends to the outside of the movable groove 31, and is connected to a motor 6. The rotating shaft 5 is controlled by the motor 6 to drive the transmission gear 45 to rotate, so that the transmission gear 45 and the transmission gear groove 44 drive the movable plate 43 to move.

[0028] The pressing assembly 7 includes a hydraulic cylinder 71 arranged inside the base 3, and two hydraulic cylinders 71 are symmetrically arranged. The upper end of the hydraulic cylinder 71 is connected to a hydraulic telescopic rod 72, and the upper end of the hydraulic telescopic rod 72 passes through the base 3 and extends to the top of the base 3. The hydraulic telescopic rod 72 is slidably connected to the base 3, and a clamping seat is arranged at the top of the hydraulic telescopic rod 72. A fixed frame 73 is arranged between the clamping seats. The hydraulic cylinder 71 controls the hydraulic telescopic rod 72 to drive the fixed frame 73 to move vertically, and a heating chamber is arranged below the fixed frame 73. A hot pressing plate 74 is arranged at the lower end of the heating chamber. The bag is hot-pressed and sealed by the hot pressing plate 74. A pad 75 is arranged below the hot pressing plate 74. The pad 75 has a heat-resistant function. The pad 75 is arranged on the top of the base 3. The pad 75 facilitates the hot pressing of the bag by the hot pressing plate 74 to prevent the hot pressing plate 74 from damaging the base 3.

[0029] A material receiving assembly 8 is provided on the side of the pad 75 away from the column 1. The material receiving assembly 8 includes a support column 81 fixedly installed on the top of the base 3. Two support columns 81 are symmetrically arranged. A roller shaft 82 is rotatably connected between adjacent sides of the support column 81. One end of the roller shaft 82 is connected to a second motor 83. The second motor 83 is fixedly installed on the outer side of the support column 81. An outer roller 84 is sleeved on the outer side of the roller shaft 82. The outer roller 84 is fixedly connected to the roller shaft 82. Inner rollers 85 are slidably arranged on both sides of the outer roller 84. The roller shaft 82 is controlled by the second motor 83 to drive the outer roller 84 to rotate, so as to collect the raw materials.

[0030] A bearing 86 is provided on the outside of the end of the inner roller 85 away from the outer roller 84, and a limit plate 87 is sleeved on the outside of the bearing 86. An electric telescopic rod 88 is connected to the side of the limit plate 87 close to the support column 81. One end of the electric telescopic rod 88 is set on the support column 81. The electric telescopic rod 88 pushes the limit plate 87 to make one end of the inner roller 85 slide inside the outer roller 84. At the same time, the limit plate 87 limits the bag to prevent the bag from deviating and affecting the hot pressing.

[0031] Working principle: First, the adjusting guide roller 22 is controlled to move by rotating the crank 26, and the distance between the fixed guide roller 21 and the adjusting guide roller 22 is adjusted to adapt to the thickness of the raw material. The raw material passes between the fixed guide roller 21 and the adjusting guide roller 22, and after a circle around the guide rod 48, it passes under the hot pressing plate 74 and is fixed to the outer roller 84. Then, the motor 6 is started to control the rotating shaft 5 to drive the transmission gear 45 to rotate, and the transmission gear 45 transmission gear groove 44 moves, so that the movable plate 43 drives the positioning plate 47 on the connecting rod 46 to move on the guide rod 48. The upper part slides synchronously, and the position of the bag is limited to the middle part of the guide rod 48 through the positioning plate 47 to avoid deviation during transportation and affect the hot pressing angle. At the same time, the electric telescopic rod 88 is controlled to push the limit plate 87 close to the bag, and the bag is also stabilized in the middle part of the outer roller 84 to make the front and rear positions consistent to avoid deviation. The motor 2 83 is started to make the roller shaft 82 drive the raw material on the outer roller 84 to roll up. At the same time, the hydraulic cylinder 71 is started to make the hydraulic telescopic rod 72 drive the hot pressing plate 74 on the fixed frame 73 to press the raw material, thereby ensuring the efficiency of bag making.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressing device for a bag making machine, comprising a column (1) and a material guiding assembly (2) arranged on the column (1), characterized in that: A square frame (11) is provided through the upper end of the column (1); a base (3) is provided on one side of the column (1); a pressing component (7) is provided in the middle of the top of the base (3); a movable groove (31) is provided inside the side of the base (3) close to the column (1); a positioning component (4) is provided inside the movable groove (31); The positioning assembly (4) comprises a slide groove (41) arranged inside the movable groove (31), a slider (42) is arranged inside the slide groove (41), one side of the slider (42) is connected to a movable plate (43), a gear groove (44) is arranged on the adjacent side of the movable plate (43), a transmission gear (45) is arranged between the gear grooves (44), a connecting rod (46) is arranged inside one end of the movable plate (43), the upper end of the connecting rod (46) extends to the top of the movable groove (31) and is connected to a positioning plate (47), a guide rod (48) is arranged inside the positioning plate (47) and is movably penetrated, and ear plates (49) are rotatably arranged at both ends of the guide rod (48), and one end of the ear plate (49) is fixedly mounted on the column (1).

2. A pressing device for a bag making machine according to claim 1, characterized in that: The material guide assembly (2) comprises a fixed guide roller (21) arranged at the lower part of the column (1); an adjustable guide roller (22) is arranged above the fixed guide roller (21); moving blocks (23) are arranged at both ends of the adjustable guide roller (22); both ends of the moving block (23) are slidably arranged inside a moving groove (24); the moving groove (24) is arranged on the inner side wall of the square frame (11); a lifting screw (25) is spirally connected inside the moving block (23); and a crank (26) is connected to the upper end of the lifting screw (25).

3. A pressing device for a bag making machine according to claim 1, characterized in that: A rotating shaft (5) is provided inside the transmission gear (45) and one end of the rotating shaft (5) is connected to a motor 1 (6).

4. A pressing device for a bag making machine according to claim 1, characterized in that: The pressing assembly (7) comprises a hydraulic cylinder (71) arranged inside the base (3); the upper end of the hydraulic cylinder (71) is connected to a hydraulic telescopic rod (72); the upper end of the hydraulic telescopic rod (72) is provided with a fixing frame (73); a hot pressing plate (74) is provided below the fixing frame (73); a cushion block (75) is provided below the hot pressing plate (74); and the cushion block (75) is provided on the top of the base (3).

5. A pressing device for a bag making machine according to claim 4, characterized in that: A material receiving assembly (8) is provided on the side of the cushion block (75) away from the column (1), and the material receiving assembly (8) comprises a support column (81) fixedly mounted on the top of the base (3), a roller shaft (82) is rotatably connected between adjacent sides of the support column (81), one end of the roller shaft (82) is connected to a second motor (83), an outer roller (84) is sleeved on the outside of the roller shaft (82), and inner rollers (85) are slidably provided inside both sides of the outer roller (84).

6. A pressing device for a bag making machine according to claim 5, characterized in that: A bearing (86) is disposed on the outside of one end of the inner roller (85) away from the outer roller (84); a limit plate (87) is sleeved on the outside of the bearing (86); a side of the limit plate (87) close to the support column (81) is connected to an electric telescopic rod (88); one end of the electric telescopic rod (88) is disposed on the support column (81).

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