CN213138035U

CN213138035U - Semi-automatic production equipment for transparent packaging bag

Info

Publication number: CN213138035U
Application number: CN202021441550.4U
Authority: CN
Inventors: 何广镇; 何美雪
Original assignee: Foshan Nanhai Weiye High Strength Standard Parts Co ltd
Current assignee: Foshan Nanhai Weiye High Strength Standard Parts Co ltd
Priority date: 2020-07-18
Filing date: 2020-07-18
Publication date: 2021-05-07
Anticipated expiration: 2030-07-18

Abstract

The application relates to semi-automatic production equipment of transparent packaging bags, and belongs to the technical field of PE bag manufacturing. It is including installing in the frame on ground with install blowing reel in the frame, the direction of delivery along the PE membrane in the frame has set gradually and has beaten sign indicating number device, sealing device, perforating device and cutting device, install a plurality of conveying rollers that are used for carrying the PE membrane in the frame, install in the frame and set up the adjusting device who is used for adjusting PE membrane rate of tension between beating sign indicating number device and sealing device, one side that the sign indicating number device was kept away from in the frame is provided with draw gear, draw gear sets up and is used for pulling between perforating device and cutting device and carry the PE membrane. This application has reduced the operation that needs the staff to get between each machine and take the PE membrane, has greatly reduced the human labor, uses the machine to replace the manpower simultaneously, has improved the production efficiency of PE bag to a certain extent.

Description

Semi-automatic production equipment for transparent packaging bag

Technical Field

The application relates to the field of PE bag manufacturing, in particular to semi-automatic production equipment for transparent packaging bags.

Background

At present, packaging bags become an indispensable part in the packaging industry, and are divided into paper packaging bags and plastic packaging bags from the aspect of materials. Generally, a paper packaging bag is formed by cutting large packaging paper and then adhering the large packaging paper by using an adhesive; the plastic packaging bag is processed by firstly carrying out heat sealing on a whole plastic film, then cutting according to the size and finally sealing.

In the actual production of PE bags, a plurality of processes are required, wherein a PE film is wound on a reel at first, and then the PE film is unfolded, cut, sealed by hot melting, provided with air holes and manufactured into the PE bags. However, each process is separated in the production process, firstly, after the PE film is cut by the cutting machine, the PE film is placed on a heat sealing machine by a worker to be heat sealed, then the worker takes the PE bag again to be placed on a punching machine to be punched, finally the worker is placed on a code printing device to be printed, the code printing operation of the PE bag is completed, and finally the production and the manufacture of the PE bag are realized.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the PE bag is manufactured by frequent operation of personnel in each process, so that the labor and manpower are increased, and the production efficiency of the PE bag is reduced.

SUMMERY OF THE UTILITY MODEL

In order to help to improve the problem that the PE bag needs frequent operation of personnel in the production and manufacturing process, which causes low production efficiency, the application provides semi-automatic production equipment for transparent packaging bags.

The application provides a semi-automatic production facility of transparent wrapping bag adopts following technical scheme:

the utility model provides a semi-automatic production facility of transparent packaging bag, is including installing in the frame on ground with install blowing reel in the frame, the direction of delivery along the PE membrane in the frame has set gradually and has beaten sign indicating number device, sealing device, perforating device and cutting device, install a plurality of conveying rollers that are used for carrying the PE membrane in the frame, install in the frame and set up the adjusting device who is used for adjusting PE membrane rate of tension between beating sign indicating number device and sealing device, one side that the frame was kept away from and is beaten the sign indicating number device is provided with draw gear, draw gear sets up and is used for pulling between perforating device and cutting device and carry the PE membrane.

Through adopting above-mentioned technical scheme, the PE membrane is under the traction of draw gear and conveying roller, at first accomplish qualified sign indicating number printing operation at the coding device, then through heat-seal device, accomplishes the heat-seal and fuses, again through perforating device, accomplishes the punching operation of PE bag, accomplishes the cutting at cutting device department at last and divides the bag to realize the semi-automatic production manufacturing of PE bag. Still be provided with adjusting device between beat sign indicating number device and the sealing device, adjusting device can adjust the rate of tension of PE membrane to be favorable to beating the operation of sign indicating number process and heat-seal process. This semi-automatic production line has reduced the staff and has got the operation of taking the PE membrane between each machine, and the staff only needs to carry out PE membrane reel material loading and PE bag unloading collection, has greatly reduced the human labor, and uses the machine to replace the manpower, and the machine can last work for a long time, has improved the production efficiency of PE bag to a certain extent.

Preferably, the coding device includes: install in the frame and be located the laser coding ware of conveying roller below, horizontal installation has slip direction and PE membrane direction of delivery looks vertically slide rail in the frame, sliding connection has the slide on the slide rail, the top of slide is provided with locking bolt, the bottom face of slide is just to the coding end of laser coding ware.

Through adopting above-mentioned technical scheme, the taut PE membrane of conveying roller, the bottom plane butt PE membrane of slide makes the PE membrane level spread out to make things convenient for the operation of beating sign indicating number of laser code printer. Slide and slide rail sliding connection to be favorable to adjusting the position of slide, conveniently further beat the sign indicating number position to the PE membrane and adjust.

Preferably, the adjusting device comprises a press roller horizontally mounted on the frame, the press roller is located between the code printing device and the heat sealing device, a fixed shaft is arranged at the shaft end of the press roller and is rotatably connected with the press roller, vertical through grooves are formed in the two opposite sides of the frame in the vertical direction, two ends of the fixed shaft abut against the edges of the vertical through grooves, and a locking member is arranged at one end, far away from the press roller, of the fixed shaft.

Through adopting above-mentioned technical scheme, when the PE bag of different length is produced to needs, for the position of conveniently adjusting laser coding ware and beating the sign indicating number, the high position of compression roller is adjusted to the accessible to tensile or shrink PE membrane impels PE membrane forward or backward movement one section distance, and then makes the coding position of passing the standard code lean on forward or lean on the back, thereby realizes that PE membrane beats the quick adjustment of sign indicating number position.

Preferably, the retaining member includes fixing bolt and fixes fixing bolt keeps away from the handle of fixed axle one end, fixing bolt's pointed end pass vertical logical groove and with fixed axle threaded connection, the border that the vertical logical groove of one side butt of handle is close to the fixed axle.

Through adopting above-mentioned technical scheme, when the height of compression roller is adjusted to needs, loosen fixing bolt to loosen fixing between fixed axle and the support, at this moment remove the fixed axle to preset position, screw up fixing bolt, make the border of the vertical logical groove of handle butt, thereby the both ends of locking fixed axle. The setting of this handle makes things convenient for the staff to adjust the compression roller, has further improved the convenience of operation.

Preferably, the heat-sealing device comprises a heat-sealing support arranged on the machine frame, a heat-sealing cylinder is arranged at the top of the heat-sealing support, the output end of the heat-sealing cylinder is vertically arranged downwards, a first movable plate is fixed at the output end of the heat-sealing cylinder, two vertically downward telescopic rods are fixed on one side of the first movable plate away from the heat-sealing cylinder, a movable spring is sleeved outside each telescopic rod, a second movable plate is fixed at one end of the telescopic rod far away from the heat-sealing cylinder, two guide rods which are vertically downward are installed at the top of the heat-sealing bracket, the two guide rods penetrate through the first movable plate and the second movable plate, the first movable plate and the second movable plate are connected with the two guide rods in a sliding mode, a heat-sealing pressing plate connected with a power supply is arranged on one side, away from the heat-sealing air cylinder, of the second movable plate, and a bearing plate located below the heat-sealing pressing plate is installed in the rack.

Through adopting above-mentioned technical scheme, the PE membrane setting is between heat-seal clamp plate and bearing plate, and when needs carried out the heat-seal, the circular telegram of heat-seal clamp plate was generated heat, and the heat-seal cylinder drives the heat-seal clamp plate and supports downwards and press the PE membrane to realize the heat-seal of PE membrane and fuse. The telescopic rod and the movable spring arranged between the first movable plate and the second movable plate can effectively reduce the phenomenon that the PE film is damaged due to overlarge stress.

Preferably, the punching device comprises a punching seat installed on the rack, a punching cylinder is installed at the top of the punching seat, the output end of the punching cylinder faces downwards vertically, and a punch is installed at the output end of the punching cylinder.

Through adopting above-mentioned technical scheme, after the PE membrane accomplished the heat-seal and fuses, the cylinder that punches drives the drift and accomplishes the operation of punching a hole vertically downwards to the realization is to the operation of punching of PE membrane. The punching mode using the air cylinder is stable in operation, simple in structure and quick to install, and quick punching operation of the PE bag is facilitated.

Preferably, draw gear is including installing two fixing bases in the frame both sides, two the spout has been seted up along vertical direction to relative one side of fixing base, two install the slider in the spout, slider and spout sliding connection, one side that the frame was kept away from to the fixing base is vertical installs adjusting bolt, adjusting bolt and fixing base threaded connection, adjusting bolt's most advanced vertical cell wall butt slider that runs through the spout keeps away from one side of frame, two relative one side horizontal installation of slider has driven drum, install the initiative cylinder in the frame, the outside and the outside looks butt of driven drum of initiative cylinder, the side-mounting of frame has and is used for driving initiative cylinder pivoted driving motor.

Through adopting above-mentioned technical scheme, driven cylinder and initiative cylinder centre gripping PE membrane, thereby the initiative cylinder rotates and drives driven cylinder and rotate, and then realizes the tensile of PE membrane and pull, and the adjusting bolt who sets up on the fixing base then can adjust the pressure of supporting between driven cylinder and the initiative cylinder, still reduces the phenomenon that the too big damage PE membrane that leads to of pressure appears in the time of guaranteeing draw gear can effectively pull the PE membrane.

Preferably, the outer surfaces of the driving roller and the driven roller are sleeved with rubber sleeves.

Through adopting above-mentioned technical scheme, the setting of rubber sleeve provides a buffering elasticity, has further reduced the damage of driving roller and driven cylinder to the PE membrane.

Preferably, the cutting device comprises a cutting support installed on the rack, the cutting cylinder is installed at the top of the cutting rack, the output end of the cutting cylinder faces downwards vertically, the cutter is installed at the output end of the cutting cylinder, cutter sliding grooves are formed in two sides of the cutting support, and two ends of the cutter are connected with the cutter sliding grooves in a sliding mode.

Through adopting above-mentioned technical scheme, the cutting cylinder drives the quick cutting branch bag that the cutter realized the PE membrane, and the cutter spout further plays limiting displacement to the cutter, guarantees that the cutting direction of cutter remains stable to ensure the production quality of PE bag.

Preferably, a blanking plate is obliquely arranged on one side, away from the coding device, of the rack.

Through adopting above-mentioned technical scheme, blanking plate be provided with do benefit to and lead-in the collecting box with the PE bag, improved staff's collection efficiency.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an adjusting device and a traction device according to an embodiment of the present application.

Fig. 3 is a schematic structural view of the heat sealing device and the punching device according to the embodiment of the present application.

Fig. 4 is a schematic structural diagram of a traction device and a cutting device according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 11. a conveying roller; 2. a feeding reel; 3. a code printing device; 31. laser code printing; 311. a box body; 32. a slide rail; 33. a slide plate; 34. locking the bolt; 4. an adjustment device; 41. a compression roller; 42. a fixed shaft; 43. a vertical through groove; 44. a locking member; 441. fixing the bolt; 442. a handle; 5. a heat sealing device; 51. heat-sealing the support; 52. heat-sealing the cylinder; 53. a first movable plate; 54. a telescopic rod; 55. a movable spring; 56. a second movable plate; 57. heat-sealing the pressing plate; 58. a pressure bearing plate; 59. a guide bar; 6. a punching device; 61. punching a hole seat; 611. an upper punching plate; 612. a lower perforated plate; 62. a punching cylinder; 63. a punch; 7. a traction device; 71. a fixed seat; 72. a chute; 73. a slider; 74. adjusting the bolt; 75. a driven drum; 751. fixing the rod; 76. a driving roller; 8. a cutting device; 81. cutting the stent; 811. a straight plate; 812. a transverse plate; 813. a baffle plate; 82. cutting the air cylinder; 83. a cutter; 84. a cutter chute; 9. and a blanking plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses semi-automatic production equipment of transparent packaging bags. Referring to fig. 1, including installing frame 1 on ground, the blowing reel 2 of coiling PE membrane is installed to frame 1, frame 1 has set gradually along the direction of delivery of PE membrane and has beaten sign indicating number device 3, sealing device 5, perforating device 6 and cutting device 8, beat and be provided with adjusting device 4 between sign indicating number device 3 and the sealing device 5, this adjusting device 4 installs the rate of tension that is used for adjusting the PE membrane in frame 1, be provided with draw gear 7 between perforating device 6 and the cutting device 8, this draw gear 7 is installed and is kept away from one side of beating sign indicating number device 3 in frame 1 and is used for pulling the transport PE membrane, still install many conveying rollers 11 that are used for carrying the PE membrane on frame 1.

Referring to fig. 1 and 2, the coding device 3 includes a laser coder 31 installed on the frame 1 and located below the conveying roller 11, a box 311 is further installed at the bottom of the frame 1, an opening is opened at the top of the box 311, the laser coder 31 is installed in the box 311, a coding end of the laser coder 31 is right opposite to the opening of the box 311, and the box 311 is provided to reduce the pollution of dust and the like to the laser coder 31.

The slide rail 32 of cuboid still is provided with in the top of box 311, and slide rail 32 horizontal installation is in frame 1 and the slip direction is mutually perpendicular with PE membrane direction of delivery, and the surface movable sleeve of slide rail 32 is equipped with slide 33, slide 33 and slide rail 32 sliding connection, and the top of slide 33 is provided with locking bolt 34, and the most advanced vertical slide 33 butt that runs through of locking bolt 34 is in the outside of slide rail 32 to the realization is to slide 33 locking. The sliding plate 33 is also a cuboid sliding plate 33, the bottom end face of the sliding plate 33 is opposite to the code printing end of the laser code printer 31, and the arrangement is to promote the PE film to be horizontally spread at the bottom of the sliding plate 33, so that the code printing operation of the laser code printer 31 is facilitated.

Referring to fig. 2, an adjusting device 4 is further disposed at the discharging end of the coding device 3, the adjusting device 4 includes a pressing roller 41, a fixing shaft 42 and a locking member 44, the pressing roller 41 is horizontally mounted on the rack 1, the fixing shaft 42 is disposed at the shaft end of the pressing roller 41, the fixing shaft 42 is rotatably connected with the pressing roller 41, vertical through grooves 43 penetrating through the rack 1 are disposed along the vertical direction at two opposite sides of the rack 1, one end of the fixing shaft 42, which is far away from the pressing roller 41, abuts against the edge of the vertical through groove 43, and the locking member 44 is disposed at one end of the fixing shaft 42, which.

In this embodiment, the locking member 44 includes a fixing bolt 441 and a handle 442, a tip of the fixing bolt 441 penetrates the vertical through groove 43 along the axial direction of the pressing roller 41 and is screwed with the fixing shaft 42, the handle 442 is fixed at one end of the fixing bolt 441 far away from the pressing roller 41, and one side of the handle 442 close to the pressing roller 41 abuts against an edge of the vertical through groove 43. By tightening the fixing bolt 441, one end of the handle 442 close to the fixing shaft 42 and one end of the fixing shaft 42 close to the handle 442 are respectively abutted against both sides of the frame 1, thereby achieving locking and fixing of the pressing roller 41.

In actual production process, for making the qualified code can print completely at the positive surface of PE bag, the height of compression roller 41 is adjusted to the accessible to adjust the rate of tension of PE membrane, make the PE membrane open in the bottom tiling of slide 33 completely, and then improve the effect of beating sign indicating number of laser code printer 31.

Referring to fig. 3, the heat sealing device 5 includes a heat sealing support 51 installed on the frame 1, a heat sealing cylinder 52 is installed at the top of the heat sealing support 51, an output end of the heat sealing cylinder 52 vertically penetrates through the top of the heat sealing support 51 downward, a first movable plate 53 is fixed at the output end of the heat sealing cylinder 52, the first movable plate 53 is in a long strip shape, the extending direction of the first movable plate 53 is perpendicular to the conveying direction of the PE film, two vertical downward telescopic rods 54 are fixed on one side of the first movable plate 53 away from the heat sealing cylinder 52, a movable spring 55 is sleeved on the outer side of the telescopic rod 54, a second movable plate 56 is fixed at one end of the telescopic rod 54 away from the heat sealing cylinder 52, and the second movable plate 56 is.

Two vertical downward guide rods 59 are further mounted on two sides of the top of the heat-sealing bracket 51, the two guide rods 59 respectively penetrate through the first movable plate 53 and the second movable plate 56, and the guide rods 59 are slidably connected with the first movable plate 53 and the second movable plate 56. And a heat-sealing pressure plate 57 is mounted on the side of the second movable plate 56 away from the heat-sealing cylinder 52, the heat-sealing pressure plate 57 is connected with a power supply, a bearing plate 58 is mounted in the frame 1, the bearing plate 58 is located below the heat-sealing pressure plate 57, and the PE film passes through between the bearing plate 58 and the heat-sealing pressure plate 57.

When the PE film needs to be subjected to heat sealing and fusing, the heat-sealing air cylinder 52 acts to drive the first movable plate 53 to move downwards, so that the heat-sealing pressing plate 57 is driven to move vertically downwards, meanwhile, the heat-sealing pressing plate 57 is electrified to generate heat, the heat-sealing pressing plate 57 is abutted against the bearing plate 58, and after a period of abutment, the heat-sealing air cylinder 52 drives the heat-sealing pressing plate 57 to ascend to wait for the next heat sealing. The telescopic rod 54 and the movable spring 55 are provided to reduce the pressing force between the heat-seal pressing plate 57 and the pressure-bearing plate 58, thereby reducing the damage to the PE film.

The punch device 6 includes a punch holder 61 installed on the frame 1, and the punch holder 61 includes an upper punch plate 611 and a lower punch plate 612, and the PE film passes through a gap between the upper punch plate 611 and the lower punch plate 612. The punching cylinder 62 is installed at the top of the upper punching plate 611, the output end of the punching cylinder 62 faces downward vertically, the punch 63 is installed at the output end of the punching cylinder 62, the punch 63 penetrates through the upper punching plate 611 downward vertically, a punching hole (not shown in the figure) is formed in one side, close to the upper punching plate 611, of the lower punching plate 612, and the punch 63 and the punching hole are arranged coaxially.

When the PE bag needs to be punched, the punching cylinder 62 drives the punch 63 to move downwards, the punch 63 penetrates through the PE film and extends into the punch, so that the PE film is punched, and the punching cylinder 62 drives the punch 63 to ascend after the punching is finished, so that the next punching is waited.

Referring to fig. 4, the traction device 7 includes two fixing seats 71, two sliding blocks 73, a driven roller 75, a driving roller 76 and an adjusting bolt 74, the two fixing seats 71 are respectively vertically installed at two opposite sides of the rack 1, a sliding groove 72 is formed in one opposite side of the two fixing seats 71 along the vertical direction, the sliding blocks 73 are installed in the sliding groove 72 and are in sliding connection with the sliding groove 72, a fixing rod 751 is further horizontally fixed at one opposite side of the two sliding blocks 73, the driven roller 75 is sleeved on the outer surface of the fixing rod 751 and is in rotating connection with the fixing rod 751, the driving roller 76 is installed in the rack 1 and is located below the driven roller 75, a driving motor (not shown in the figure) is further installed on the side surface of the rack 1, the output end of the driving motor is fixed with one end of the. So that when the driving roller 76 is rotated by the driving motor, the driving roller 76 rotates the driven roller 75, thereby drawing the PE film being conveyed between the driving roller 76 and the driven roller 75.

Adjusting bolt 74 is installed at the top of fixing base 71, and adjusting bolt 74's most advanced vertically runs through the cell wall of spout 72 and butt at the top of slider 73, and adjusting bolt 74 and fixing base 71 threaded connection, staff's accessible is screwed up or is become flexible adjusting bolt 74, adjusts the pressure that supports between driving roller 76 and the driven roller 75, ensures that driving roller 76 can drive and pull the PE membrane, can also reduce simultaneously to support the too big condition emergence that leads to the PE membrane to damage of pressure. Meanwhile, rubber sleeves are sleeved on the outer sides of the driving roller 76 and the driven roller 75, and the protection of the PE film is further improved by the rubber sleeves.

Referring to fig. 4, the cutting device 8 includes the cutting support 81 installed on the frame 1, the cutting support 81 includes two straight plates 811 and a horizontal plate 812 installed at the top of the two straight plates 811, the two straight plates 811 are vertically installed on the opposite sides of the frame 1, a cutting cylinder 82 is installed at the top center of the horizontal plate 812, the output end of the cutting cylinder 82 vertically penetrates through the horizontal plate 812, a cutter 83 is installed at the output end of the cutting cylinder 82, the extending direction of the cutter 83 is perpendicular to the conveying direction of the PE film, a vertical cutter chute 84 is further provided on the opposite side of the two straight plates 811, and the two ends of the cutter 83 are installed in the cutter chute 84 and slidably connected with the cutter chute 84. The side surfaces of the two straight plates 811 are also provided with baffle plates 813, the baffle plates 813 are detachably connected with the straight plates 811 through bolts, and the baffle plates 813 are arranged to improve the convenience of the cutter 83 during installation and disassembly.

Simultaneously, frame 1 is kept away from one side of beating sign indicating number device 3 and is provided with the decurrent blanking plate 9 of slope, and this blanking plate 9 is favorable to collecting the PE bag of accomplishing the preparation, has further improved staff's receipts material efficiency.

The implementation principle of the semi-automatic production equipment of the transparent packaging bag in the embodiment of the application is as follows: under the traction action of the traction device 7, the PE film is subjected to qualified code printing operation through the code printing device 3, heat sealing fusion is completed through the heat sealing device 5, punching operation is realized through the punching device 6 subsequently, and finally cutting and bag splitting are completed through the cutting device 8, so that production and manufacturing of the PE bag are finally realized. The adjusting device 4 arranged between the code printing device 3 and the heat sealing device 5 can adjust the tensity of the PE film, and further improves the code printing effect of the laser code printer 31. The traction device 7 which is far away from the code printing device 3 on the frame 1 can effectively stretch and draw the PE film, so that the semi-automatic production and manufacturing of the PE bag are realized. This semi-automatic production line has reduced the operation that needs the staff to get between each machine and take the PE membrane, and the staff only needs to carry out PE membrane reel material loading and PE bag unloading collection, has greatly reduced the human labor, uses the machine to replace the manpower simultaneously, and the machine can last work for a long time, has improved the production efficiency of PE bag to a certain extent.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A semi-automatic production device of transparent packaging bags is characterized by comprising a frame (1) arranged on the ground and a feeding winding drum (2) arranged on the frame (1), a coding device (3), a heat sealing device (5), a punching device (6) and a cutting device (8) are sequentially arranged on the frame (1) along the conveying direction of the PE film, a plurality of conveying rollers (11) for conveying the PE film are arranged on the frame (1), the frame (1) is provided with an adjusting device (4) which is arranged between the code printing device (3) and the heat sealing device (5) and is used for adjusting the tensity of the PE film, a traction device (7) is arranged on one side of the frame (1) far away from the code printing device (3), the traction device (7) is arranged between the punching device (6) and the cutting device (8) and is used for traction and conveying the PE film.

2. The semi-automatic production apparatus of transparent packaging bags according to claim 1, characterized in that: beat sign indicating number device (3) including installing laser coding ware (31) on frame (1) and be located conveying roller (11) below, frame (1) is gone up the horizontal installation and is had slip direction and PE membrane direction of delivery looks vertically slide rail (32), sliding connection has slide (33) on slide rail (32), the top of slide (33) is provided with locking bolt (34), the bottom face of slide (33) is just beating the sign indicating number end of laser coding ware (31).

3. The semi-automatic production apparatus of transparent packaging bags according to claim 1, characterized in that: the adjusting device (4) comprises a pressing roller (41) which is horizontally installed on the rack (1), the pressing roller is located between the code printing device (3) and the heat sealing device (5), a fixing shaft (42) is arranged at the shaft end portion of the pressing roller (41), the fixing shaft (42) is rotatably connected with the pressing roller (41), vertical through grooves (43) are formed in the two opposite sides of the rack (1) in the vertical direction, the two ends of the fixing shaft (42) are abutted to the edge of the vertical through grooves (43), and a locking piece (44) is arranged at one end, far away from the pressing roller (41), of the fixing shaft (42).

4. The semi-automatic production apparatus of transparent packaging bags according to claim 3, characterized in that: retaining member (44) include fixing bolt (441) and fix fixing bolt (441) keep away from handle (442) of fixed axle (42) one end, the pointed end of fixing bolt (441) passes vertical logical groove (43) and with fixed axle (42) threaded connection, handle (442) are close to the border of the vertical logical groove (43) of one side butt of fixed axle (42).

5. The semi-automatic production apparatus of transparent packaging bags according to claim 1, characterized in that: the heat sealing device (5) comprises a heat sealing support (51) installed on a rack (1), a heat sealing cylinder (52) is installed at the top of the heat sealing support (51), the output end of the heat sealing cylinder (52) is vertically arranged downwards, a first movable plate (53) is fixed at the output end of the heat sealing cylinder (52), two vertical downward telescopic rods (54) are fixed at one side, away from the heat sealing cylinder (52), of the first movable plate (53), a movable spring (55) is sleeved at the outer side of each telescopic rod (54), a second movable plate (56) is fixed at one end, away from the heat sealing cylinder (52), of each telescopic rod (54), two vertical downward guide rods (59) are installed at the top of the heat sealing support (51), the two guide rods (59) penetrate through the first movable plate (53) and the second movable plate (56), the first movable plate (53) and the second movable plate (56) are in sliding connection with the two guide rods (59), one side of the second movable plate (56) far away from the heat-sealing air cylinder (52) is provided with a heat-sealing pressure plate (57) connected with a power supply, and a bearing plate (58) positioned below the heat-sealing pressure plate (57) is installed in the machine frame (1).

6. The semi-automatic production apparatus of transparent packaging bags according to claim 1, characterized in that: perforating device (6) is including installing punching seat (61) in frame (1), punching cylinder (62) are installed at the top of punching seat (61), the output of punching cylinder (62) is vertical down, drift (63) are installed to the output of punching cylinder (62).

7. The semi-automatic production apparatus of transparent packaging bags according to claim 1, characterized in that: the traction device (7) comprises two fixing seats (71) arranged on two sides of a rack (1), sliding grooves (72) are formed in the opposite sides of the two fixing seats (71) along the vertical direction, sliding blocks (73) are arranged in the sliding grooves (72), the sliding blocks (73) are in sliding connection with the sliding grooves (72), adjusting bolts (74) are vertically arranged on one sides, far away from the rack (1), of the fixing seats (71), the adjusting bolts (74) are in threaded connection with the fixing seats (71), the tips of the adjusting bolts (74) vertically penetrate through the groove walls of the sliding grooves (72) and abut against one sides, far away from the rack (1), of the sliding blocks (73), driven rollers (75) are horizontally arranged on the opposite sides of the sliding blocks (73), driving rollers (76) are arranged in the rack (1), and the outer sides of the driving rollers (76) are abutted against the outer sides of the driven rollers (75), and a driving motor for driving the driving roller (76) to rotate is arranged on the side surface of the frame (1).

8. The semi-automatic production apparatus of transparent packaging bags according to claim 7, characterized in that: the outer surfaces of the driving roller (76) and the driven roller (75) are sleeved with rubber sleeves.

9. The semi-automatic production apparatus of transparent packaging bags according to claim 1, characterized in that: cutting device (8) are including installing cutting support (81) in frame (1), cutting cylinder (82) are installed at the top of cutting support (81), the output of cutting cylinder (82) is vertical down, cutter (83) are installed to the output of cutting cylinder (82), cutter spout (84) have been seted up to the both sides of cutting support (81), the both ends and the cutter spout (84) sliding connection of cutter (83).

10. The semi-automatic production apparatus of transparent packaging bags according to claim 1, characterized in that: and a blanking plate (9) is obliquely arranged on one side of the rack (1) far away from the code printing device (3).