Hot knife device of bag making machine

By introducing structures such as chutes, lifting devices, and guard plates into the hot-scalpel device of the bag-making machine, the problems of poor cleaning effect and non-adjustable blade distance are solved, the stability of the hot-scalpel is achieved and the cleaning cycle is extended, thus improving the efficiency of the bag-making machine.

CN223573946UActive Publication Date: 2025-11-21SHINVA MEDICAL INSTR CO LTD
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Patent Information

Application Number
CN202422579812.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-11-21
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

The existing hot-blade device in bag making machines has limited cleaning effect, cannot block dust and grease, and cannot adjust the blade distance according to the size and material of the bag, resulting in low practicality.

Method used

A hot knife device including a connecting plate, a slide, a lifting device, a protective plate, and a limiting rod is designed. The position of the hot knife is adjusted by sliding, and the position is fixed by setting an adjusting plate and positioning bolts. The lifting device realizes the adjustment of the knife distance, and the protective plate protects the hot knife, isolates dust and grease, and extends the maintenance cycle.

Benefits of technology

It enables adjustment of the blade distance according to the size and material of the bag, enhances practicality, extends the maintenance and cleaning cycle of the hot knife, reduces the workload of the staff, and improves the use effect of the bag making machine.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bag making machines, and discloses a hot knife device of a bag making machine, which comprises a connecting plate and a plurality of groups of lifting devices, a sliding groove is arranged at the top end of the connecting plate, the top of each lifting device is arranged in the sliding groove in a sliding mode through a limiting sliding block, and a distance adjusting plate is arranged on one side of the sliding groove. The limiting sliding block is provided with a positioning bolt abutting against the distance adjusting plate, a hot knife is arranged at the bottom of the lifting device, protection plates are arranged on the two sides of the hot knife, and the tops of the protection plates are arranged at the bottom of the lifting device in a sliding mode through limiting rods. According to the utility model, the hot knife can be effectively protected, the maintenance and cleaning period of the hot knife is prolonged, the distance can be adjusted according to the processing requirements of bags, and the use effect of the bag making machine is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bag making machine technical field especially relates to a kind of ironing cutter device of bag making machine. BACKGROUND

[0002] Bag making machine is the machine of making various plastic packaging bag or other material packaging bag, its processing range is the packaging bag of various size thick thin different specifications plastic or other material, generally speaking, plastic packaging bag is main product, and the ironing cutter of bag making machine is a crucial component in the process of bag making, it is mainly used to heat the notch, seal bag mouth, prevent the outflow of the contents in bag, and can flatten bag body, so that bag is more flat and beautiful.

[0003] As the Chinese utility model patent with the publication number CN213675736U, a kind of bag making machine ironing cutter device, including operation table, guiding device, ironing cutter stamping device, ironing cutter base, heating device cleaning device and replacement device, the top of the operation table is fixedly installed with guiding device, the top of the operation table is fixedly installed with ironing cutter stamping device, the bottom of the ironing cutter stamping device is provided with ironing cutter base, the top of the ironing cutter stamping device is fixedly installed with heating device, the side of the ironing cutter base is fixedly installed with cleaning device, the bottom of the ironing cutter stamping device is provided with replacement device.

[0004] The above patent at least has the following problems: (1) the effect of the device for quickly cleaning ironing cutter is limited, only the plastic attached to the plastic bag seal on the ironing cutter can be cleaned, the ironing cutter is directly exposed to air during use, cannot block dust and grease, needs to be maintained and cleaned frequently, increases the labor burden of staff;(2) the device cannot adjust the appropriate cutter distance according to the size and material of bag during use, so that the device can only process specific bags during use, and the practicability is low. UTILITY MODEL CONTENTS

[0005] The utility model in the prior art, develop a kind of bag making machine's ironing cutter device, the utility model can effectively protect ironing cutter, extend the maintenance cleaning period of ironing cutter, and can be adjusted according to the processing needs of bag spacing, effectively improve the use effect of bag making machine.

[0006] The technical scheme for solving the technical problems of the utility model is as follows: a kind of bag making machine's ironing cutter device, including connecting plate, still including several groups of lifting devices, the top of connecting plate is equipped with sliding slot, the top of lifting device is slidably arranged in sliding slot by limiting slide block, the side of sliding slot is equipped with distance adjusting plate, limiting slide block is equipped with the positioning bolt of abutment with distance adjusting plate, the bottom of lifting device is equipped with ironing cutter, the both sides of ironing cutter are equipped with guard plate, and the top of guard plate is slidably arranged in the bottom of lifting device by limiting rod.

[0007] As optimization, the lifting device comprises a top plate, a telescopic device and a mounting plate, the top of the top plate is connected with the limiting sliding block, the bottom of the top plate is connected with the top of the telescopic device, and the bottom of the telescopic device is connected with the mounting plate. By setting the top plate, the telescopic device can be installed; by setting the telescopic device, the hot knife can be lifted; and by setting the mounting plate, the hot knife can be installed.

[0008] As optimization, the two sides of the telescopic device are provided with first springs, the top of the first spring is connected with the top plate, and the bottom of the first spring is connected with the mounting plate. By setting the first spring, the stability and balance of the hot knife during lifting can be improved.

[0009] As optimization, the top of the two groups of guard plates is connected with each other through a connecting block, two limiting rods are arranged, the top end of the limiting rod is arranged above the mounting plate, and the bottom end of the limiting rod is connected with the connecting block through the mounting plate. By setting the connecting block, the two groups of guard plates can be connected, and the limiting rod can be conveniently connected.

[0010] As optimization, the bottom of the two groups of guard plates is connected with each other through a limiting seat, and the limiting seat is arranged at the end of the guard plate. By setting the limiting seat, it can be ensured that the guard plate abuts against the table top first during hot pressing, and the limiting seat does not affect the bag.

[0011] As optimization, a second spring is arranged on the limiting rod and between the mounting plate and the connecting block. By setting the second spring, the guard plate can be quickly and stably reset, and the hot knife is protected.

[0012] As optimization, the hot knife comprises a supporting rod, a heating seat and a blade body, the top of the supporting rod is connected with the bottom of the mounting plate, the bottom of the supporting rod is detachably connected with the heating seat, and the bottom of the heating seat is detachably connected with the blade body. By setting the supporting rod, the mounting plate can be connected; by setting the heating seat, the blade body can be heated; and by setting the blade body, the bag can be hot pressed.

[0013] As optimization, the bottom of the supporting rod is provided with a first clamping block, the top of the heating seat is provided with a first clamping groove corresponding to the first clamping block, the bottom of the heating seat is provided with a second clamping groove, and the top of the blade body is provided with a second clamping block corresponding to the second clamping groove. By setting the first clamping block and the first clamping groove, the heating seat can be conveniently disassembled and maintained; and by setting the second clamping groove and the second clamping block, the blade body can be conveniently disassembled and maintained.

[0014] As optimization, the two ends of the connecting plate are provided with supports. By setting the supports, the operating table can be connected.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] By setting the connecting plate, the sliding groove and the limiting sliding block, the position of the hot knife can be adjusted, the distance between the hot knife can be adjusted according to the size and material of the bag, and the practicability of the hot knife is enhanced; by setting the distance adjusting plate, the distance between the hot knives can be accurately adjusted; by setting the positioning bolt, the position of the limiting sliding block can be fixed, so that the position of the hot knife is fixed, and displacement of the hot knife in the processing process is prevented; by setting the lifting device, the hot knife can be lifted to press the bag on the table; by setting the guard plate and the limiting rod, the hot knife can be protected before pressing, dust and grease pollution are blocked, the maintenance and cleaning cycle of the hot knife is prolonged, and the burden of the staff is reduced; when pressing, the guard plate will first abut the table and move up under the action of the limiting rod, the hot knife is exposed and pressed, and after the hot knife is lifted, the guard plate will be lowered under the action of the limiting rod to protect the hot knife. The hot knife can be effectively protected, the maintenance and cleaning cycle of the hot knife is prolonged, the distance between the hot knives can be adjusted according to the processing needs of the bag, and the use effect of the bag making machine is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of an embodiment of the utility model.

[0018] Figure 2 It is a structure schematic view of the lifting device, the hot knife and the guard plate in an embodiment of the utility model.

[0019] Figure 3 It is a structure schematic view of the hot knife in an embodiment of the utility model.

[0020] Figure 4 It is a structure schematic view of the guard plate in an embodiment of the utility model.

[0021] In the drawing: 1, connecting plate; 2, sliding groove; 3, limiting sliding block; 4, distance adjusting plate; 5, positioning bolt; 6, lifting device; 7, hot knife; 8, guard plate; 9, limiting rod; 10, connecting block; 11, limiting seat; 12, second spring; 13, support;

[0022] 61, top plate; 62, telescopic device; 63, mounting plate; 64, first spring;

[0023] 71, support rod; 72, heating seat; 73, knife body; 74, first clamping block; 75, first clamping groove; 76, second clamping groove; 77, second clamping block. DETAILED DESCRIPTION

[0024] In order to clearly illustrate the technical features of the scheme, the utility model is described in detail below through specific implementation manners and in combination with its drawings.

[0025] Embodiment 1

[0026] Figures 1 to 4For an embodiment of the utility model, as shown in Figures 1 to 4 The ironing cutter device of the bag making machine comprises a connecting plate 1, a plurality of groups of lifting devices 6, a sliding groove 2 arranged at the top end of the connecting plate 1, a limiting sliding block 3 arranged at the top of each lifting device 6 and slidingly arranged in the sliding groove 2, a distance adjusting plate 4 arranged at one side of the sliding groove 2, a positioning bolt 5 arranged on the limiting sliding block 3 and abutting against the distance adjusting plate 4, an ironing cutter 7 fixedly arranged at the bottom of each lifting device 6, and a guard plate 8 arranged at the two sides of the ironing cutter 7 and slidingly arranged at the bottom of each lifting device 6 through a limiting rod 9.

[0027] The position of the ironing cutter 7 can be adjusted by sliding, the distance between the ironing cutters 7 can be adjusted according to the size and material of the bag, and the practicability of the ironing cutter 7 is enhanced; the distance between the ironing cutters 7 can be accurately adjusted by arranging the distance adjusting plate 4; the position of the limiting sliding block 3 and the position of the ironing cutter 7 can be fixed by arranging the positioning bolt 5, so that the ironing cutter 7 is prevented from being displaced during the processing; the ironing cutter 7 can be lifted to press the bag on the table by arranging the lifting device 6; the ironing cutter 7 can be protected before being pressed by arranging the guard plate 8 and the limiting rod 9, dust and grease are prevented from polluting the ironing cutter 7, the maintenance and cleaning period of the ironing cutter 7 is prolonged, and the burden of the staff is reduced; when the bag is pressed, the guard plate 8 will first abut against the table top and move upward under the action of the limiting rod 9, the ironing cutter 7 is exposed and pressed, and after the ironing cutter 7 is lifted, the guard plate 8 will descend to protect the ironing cutter 7 under the action of the limiting rod 9.

[0028] As shown in Figure 1 and Figure 2 The lifting device 6 comprises a top plate 61, an extension device 62 and a mounting plate 63, the top plate 61 is connected with the limiting sliding block 3, the bottom of the top plate 61 is connected with the top of the extension device 62, and the bottom of the extension device 62 is connected with the mounting plate 63. The extension device 62 is an electric cylinder or a linear air cylinder. The extension device 62 can be installed by arranging the top plate 61; the ironing cutter 7 can be lifted by arranging the extension device 62; and the ironing cutter 7 can be installed by arranging the mounting plate 63.

[0029] As shown in Figure 2 The two sides of the extension device 62 are provided with first springs 64, the top of each first spring 64 is connected with the top plate 61, and the bottom of each first spring 64 is connected with the mounting plate 63. The stability and balance of the ironing cutter 7 during lifting can be improved by arranging the first springs 64.

[0030] As shown in Figure 1 , Figure 2 and Figure 4As shown, the top of the two groups of protective plates 8 is connected to each other through the connecting block 10, two groups of limiting rods 9 are arranged, the top end of the limiting rod 9 is arranged above the mounting plate 63 through the stop block, and the bottom end of the limiting rod 9 is connected with the connecting block 10 through the limiting hole on the mounting plate 63. By arranging the connecting block 10, the two groups of protective plates 8 can be connected, which is convenient for connecting with the limiting rod 9, and the two groups of limiting rods 9 can ensure the stability of the sliding of the mounting plate 63.

[0031] As shown in Figure 2 and Figure 4 , the bottom of the two groups of protective plates 8 is connected to each other through the limiting seat 11, and the limiting seat 11 is arranged at the end of the protective plate 8. By arranging the limiting seat 11, it can be ensured that the protective plate 8 will first abut against the table top during ironing, and the limiting seat 11 will not affect the bag.

[0032] As shown in Figure 1 , Figure 2 and Figure 4 , the limiting rod 9 is sleeved with a second spring 12, and the second spring 12 is arranged between the mounting plate 63 and the connecting block 10. By arranging the second spring 12, the protective plate 8 can be quickly and stably reset, and the ironing knife 7 is protected.

[0033] As shown in Figure 1 , Figure 2 and Figure 3 , the ironing knife 7 comprises a supporting rod 71, a heating seat 72 and a knife body 73, the top of the supporting rod 71 is connected with the bottom of the mounting plate 63, the bottom of the supporting rod 71 is detachably connected with the heating seat 72, and the bottom of the heating seat 72 is detachably connected with the knife body 73. By arranging the supporting rod 71, the mounting plate 63 can be connected; by arranging the heating seat 72, the knife body 73 can be heated; by arranging the knife body 73, the bag can be ironed.

[0034] As shown in Figure 1 , Figure 2 and Figure 4 , the bottom of the supporting rod 71 is provided with a first clamping block 74, the top of the heating seat 72 is provided with a first clamping groove 75 corresponding to the first clamping block 74, the bottom of the heating seat 72 is provided with a second clamping groove 76, and the top of the knife body 73 is provided with a second clamping block 77 corresponding to the second clamping groove 76. In actual use, the end of the heating seat 72 can be provided with a fixing plate through a bolt as needed, the fixing plate is used for fixing the first clamping block 74 and the second clamping block 77, preventing the first clamping block 74 from being pulled out of the first clamping groove 75, and preventing the second clamping block 77 from being pulled out of the second clamping groove 76. By arranging the first clamping block 74 and the first clamping groove 75, the heating seat 72 can be conveniently disassembled and maintained; by arranging the second clamping groove 76 and the second clamping block 77, the knife body 73 can be conveniently disassembled and maintained.

[0035] As shown in Figure 1 Figure 2As shown, the two ends of the connecting plate 1 are provided with supports 13.

[0036] Before use, the staff can adjust the distance between the hot knives 7 according to the processing needs of the bag, slide the limiting slider 3 in the sliding groove 2, drive the hot knives 7 to adjust, the staff can accurately position the hot knives 7 through the scale on the distance adjusting plate 4, then tighten the positioning bolt 5 to fix the position of the limiting slider 3, so as to fix the distance of the hot knives 7, the distance adjusting plate 4 is also provided with a pre-set interval hole suitable for commonly used bags, which is convenient for the staff to directly position the limiting slider 3 and fix the hot knives 7, when hot pressing, the mounting plate 63 is pressed down by the telescopic device 62, the mounting plate 63 drives the hot knives 7 and the guard plates 8 to descend, until the limiting seat 11 first contacts the table top, the guard plates 8 remain stationary, with the telescopic device 62 continuing to press down, the mounting plate 63 slides downward on the limiting rod 9, the second spring 12 is compressed, until the knife body 73 is exposed from the bottom of the two groups of guard plates 8 and hot presses the bag on the operation table, the bag is melted and deformed under the action of heat energy and pressure, and a flat and sealed bag opening edge is generated, after hot pressing is completed, the mounting plate 63 is lifted by the telescopic device 62, the knife body 73 is separated from the table top, the second spring 12 begins to restore to the original state, at this time, the guard plates 8 and the limiting seat 11 remain in position, until the knife body 73 enters between the two groups of guard plates 8, after the second spring 12 restores, the guard plates 8 and the limiting seat 11 are lifted away from the table top with the mounting plate 63. The utility model can not only effectively protect the hot knives 7 and prolong the maintenance and cleaning period of the hot knives 7, but also adjust the distance according to the processing needs of the bag, thereby effectively improving the use effect of the bag making machine.

[0037] In the utility model, the description of the direction or relative position relation of structure, such as the direction or relative position relation indicated by "center", "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the direction or position relation shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated structure must have a particular direction, be constructed and operated in a particular direction, so it cannot be understood as the limitation of the utility model.

Claims

1. A hot-blade device for a bag-making machine, comprising a connecting plate (1), characterized in that: It also includes several sets of lifting devices (6), the top of the connecting plate (1) is provided with a slide groove (2), the top of the lifting device (6) is slidably set in the slide groove (2) by a limiting slider (3), an adjusting plate (4) is provided on one side of the slide groove (2), a positioning bolt (5) is provided on the limiting slider (3) to abut against the adjusting plate (4), a hot knife (7) is provided at the bottom of the lifting device (6), a guard plate (8) is provided on both sides of the hot knife (7), and the top of the guard plate (8) is slidably set at the bottom of the lifting device (6) by a limiting rod (9).

2. The hot-blade device for the bag-making machine according to claim 1, characterized in that: The lifting device (6) includes a top plate (61), a telescopic device (62) and a mounting plate (63). The top of the top plate (61) is connected to the limiting slider (3), the bottom of the top plate (61) is connected to the top of the telescopic device (62), and the bottom of the telescopic device (62) is connected to the mounting plate (63).

3. The hot-blade device for the bag-making machine according to claim 2, characterized in that: The telescopic device (62) is provided with a first spring (64) on both sides. The top of the first spring (64) is connected to the top plate (61), and the bottom of the first spring (64) is connected to the mounting plate (63).

4. The hot-blade device for the bag-making machine according to claim 3, characterized in that: The tops of the two sets of guard plates (8) are connected to each other by connecting blocks (10). There are two sets of limiting rods (9). The top of the limiting rod (9) is set above the mounting plate (63), and the bottom of the limiting rod (9) passes through the mounting plate (63) and is connected to the connecting block (10).

5. The hot-blade device for a bag-making machine according to claim 4, characterized in that: The bottoms of the two sets of guard plates (8) are connected to each other by a limiting seat (11), which is located at the end of the guard plate (8).

6. The hot-blade device for a bag-making machine according to claim 5, characterized in that: A second spring (12) is sleeved on the limiting rod (9), and the second spring (12) is located between the mounting plate (63) and the connecting block (10).

7. The hot-blade device for a bag-making machine according to any one of claims 1 to 6, characterized in that: The hot knife (7) includes a support rod (71), a heating base (72) and a knife body (73). The top of the support rod (71) is connected to the bottom of the mounting plate (63), the bottom of the support rod (71) is detachably connected to the heating base (72), and the bottom of the heating base (72) is detachably connected to the knife body (73).

8. The hot-blade device for a bag-making machine according to claim 7, characterized in that: The bottom of the support rod (71) is provided with a first locking block (74), the top of the heating seat (72) is provided with a first locking groove (75) corresponding to the first locking block (74), the bottom of the heating seat (72) is provided with a second locking groove (76), and the top of the blade (73) is provided with a second locking block (77) corresponding to the second locking groove (76).

9. The hot-blade device for a bag-making machine according to claim 8, characterized in that: The connecting plate (1) has brackets (13) at both ends.

Citation Information

Patent Citations

  • Hot knife device of bag making machine

    CN213675736U