Angle-adjustable film tightening swing rod mechanism in film feeding box of packaging machine

Abstract

The utility model relates to the field of packaging machines, in particular to an angle-adjustable film tightening swing rod mechanism in a film feeding box of a packaging machine, which comprises a protective box. The device further comprises an adjusting plate and a film feeding assembly. The left end and the right end of the inner wall of the protection box are fixedly connected with adjusting plates, the right ends of the adjusting plates are fixedly connected with sliding rails, the top ends of the sliding rails are fixedly connected with first motors, output shafts of the first motors penetrate through the top ends of the sliding rails and are fixedly connected with threaded rods, and sliding blocks are slidably arranged on the outer walls of the threaded rods. Connecting blocks are fixedly connected to the edges of the outer walls of the adjusting rods. The first motor is started, the sliding block drives the adjusting rod to slide on the inner wall of the first groove body, and the adjusting rod adjusts the angle, so that the adjusting rod can balance the tension on the surface of a packaging film, the situation of over-looseness or over-tightness is avoided, and the problem that a fixed swing rod cannot balance the tension of the film is solved. And material waste and even machine clamping stagnation can be caused.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of packing machine, concretely relates to a kind of angle adjustable film-tightening swing lever mechanism in packing machine membrane feeding box. BACKGROUND

[0002] With the continuous improvement of industrial automation level, packaging machinery has been widely applied in modern production, especially in food, medicine, daily chemical products and electronic products, etc., the main function of packaging machine is to accurately send packaging material into production line to complete the packaging of product, in the packaging process, especially in automatic packaging line, film feeding and tension control are particularly important.

[0003] The film-tightening swing lever of the packaging machine membrane feeding box in prior art is generally fixed, after long time use, the tension of film can be too loose or too tight, as swing lever cannot balance the tension of film, it can cause material waste or even machine jam problem.

[0004] Therefore, an angle adjustable film-tightening swing lever mechanism in packing machine membrane feeding box is proposed, by starting first motor, adjusting rod can slide in first groove wall, so as to balance the tension of film, effectively reduce film loss and defective rate in production process. SUMMARY

[0005] In order to overcome the problem that the film-tightening swing lever of existing packaging machine membrane feeding box is generally fixed, after long time use, the tension of film can be too loose or too tight, as swing lever cannot balance the tension of film, it can cause material waste or even machine jam problem, therefore, an angle adjustable film-tightening swing lever mechanism in packing machine membrane feeding box is proposed.

[0006] The technical scheme of the utility model is as follows: an angle adjustable film-tightening swing lever mechanism in packing machine membrane feeding box, comprising a protective box, further comprising an adjusting plate and a film feeding assembly, the protective box is internally provided with a film feeding assembly and a hole punching assembly, the left and right ends of the inner wall of the protective box are fixedly connected with an adjusting plate, the right end of the adjusting plate is fixedly connected with a slide rail, the top end of the slide rail is fixedly connected with a first motor, the output shaft of the first motor penetrates through the top end of the slide rail and is fixedly connected with a screw rod, the outer wall of the screw rod is slidably provided with a sliding block, the right end of the adjusting plate is penetrated with a first groove, the inner wall of the first groove is slidably provided with an adjusting rod, the outer wall edge of the adjusting rod is fixedly connected with a connecting block, and the upper end of the connecting block is fixedly connected with the lower end of the sliding block.

[0007] Preferably, the rear end of the protective box is rotatably provided with a protective door, and a plurality of heat dissipation holes are formed in the front end of the protective door.

[0008] Preferably, the film feeding assembly includes a first bearing roller, scale lines, a mounting plate, a second bearing roller, limiting rings, fixing bolts, and packaging film; the first bearing roller is rotatably mounted on the inner wall of the protective box, the outer wall of the first bearing roller is provided with scale lines, the mounting plate is fixedly connected to the inner wall of the protective box, the second bearing roller is rotatably mounted on the upper end of the mounting plate, two limiting rings are slidably mounted on the outer wall of the second bearing roller, and fixing bolts are threadedly installed at the connection of the limiting rings, and packaging film is rotatably mounted on the outer walls of the first and second bearing rollers.

[0009] Preferably, the film feeding assembly also includes a second motor, a first toothed ring, a first rotating roller, a rotating rod, a second toothed ring, a chain, a second groove, a clamping roller, a first locking rod, and a first rotating rod; the second motor is fixedly connected to the inner wall of the protective box, and the output shaft of the second motor passes through the inner wall of the protective box and is fixedly connected to the first toothed ring.

[0010] Preferably, a first rotating roller is rotatably provided on the inner wall of the protective box, and a rotating rod is fixedly connected to the inner wall of the first rotating roller. The left end of the rotating rod passes through the inner wall of the protective box and is fixedly connected to a second toothed ring. A chain is provided on the outer wall of the second toothed ring and the first toothed ring. A second groove is provided through the left and right ends of the inner wall of the protective box. A clamping roller is slidably provided on the inner wall of the second groove. A first locking rod is fixedly connected to the right end of the clamping roller. The first rotating rod is rotatably provided on the inner wall of the protective box.

[0011] Preferably, the punching assembly includes a first fixing rod, a second locking rod, a moving block, a protective plate, a pressure roller, a punching needle, a spring, and a pressure roller; the inner wall of the protective box is provided with a first fixing rod, and the two ends of the first fixing rod pass through the inner wall of the protective box and are slidably provided with a second locking rod.

[0012] Preferably, a movable block is slidably provided on the outer wall of the first fixed rod, a second fixed rod is threadedly installed on the upper end of the movable block, a protective plate is rotatably provided on the lower end of the movable block, a pressure roller is rotatably provided on the inner wall of the protective plate, a piercing needle is fixedly connected to the outer wall of the pressure roller, a spring is fixedly connected to the outer wall of the protective plate, the other end of the spring is fixedly connected to the outer wall of the movable block, and a pressure roller is rotatably provided on the inner wall of the protective box, with the outer wall of the pressure roller in contact with the outer wall of the pressure roller.

[0013] The beneficial effects of this utility model are as follows: The packaging film is passed between the first rotating roller and the clamping roller and wound downwards around the outer wall of the adjusting rod. By starting the first motor, the slider drives the adjusting rod to slide on the inner wall of the first groove, so that the angle of the adjusting rod can be adjusted. This allows the adjusting rod to balance the tension on the surface of the packaging film, avoiding the situation of being too loose or too tight. This solves the problem that the fixed swing rod cannot balance the tension of the film, which may lead to material waste or even machine jamming. Attached Figure Description

[0014] Figure 1 The diagram shows a three-dimensional structural schematic of an adjustable film tensioning lever mechanism in the film feeding box of a packaging machine according to this utility model.

[0015] Figure 2 This invention relates to an adjustable-angle film-tightening lever mechanism in the film feeding box of a packaging machine. Figure 1 A magnified three-dimensional structural diagram of part A;

[0016] Figure 3 The diagram shows a three-dimensional structure of the packaging film of an adjustable-angle film-tightening lever mechanism in the film feeding box of a packaging machine according to this utility model.

[0017] Figure 4 The diagram shows a three-dimensional structure of the clamping roller of the adjustable-angle film swing arm mechanism in the film feeding box of a packaging machine according to this utility model.

[0018] Figure 5 The diagram shows a three-dimensional structural schematic of the protective box of the adjustable film-tightening lever mechanism in the film feeding box of a packaging machine according to this utility model.

[0019] Figure 6 This invention relates to an adjustable-angle film-tightening lever mechanism in the film feeding box of a packaging machine. Figure 5 A magnified three-dimensional structural diagram of part B.

[0020] The markings in the attached diagram are as follows: 1. Protective box; 2. Protective door; 3. Heat dissipation hole; 101. Adjusting plate; 102. Slide rail; 103. First motor; 104. Screw; 105. Slider; 106. First groove; 107. Adjusting rod; 108. Connecting block; 201. First bearing roller; 202. Scale line; 203. Mounting plate; 204. Second bearing roller; 205. Limiting ring; 206. Fixing bolt; 207. Packaging film; 301. Second Motor; 302, First toothed ring; 303, First rotating roller; 304, Rotating rod; 305, Second toothed ring; 306, Chain; 307, Second groove; 308, Clamping roller; 309, First locking rod; 310, First rotating rod; 401, First fixing rod; 402, Second locking rod; 403, Moving block; 404, Second fixing rod; 405, Protective plate; 406, Pressure roller; 407, Puncture needle; 408, Spring; 409, Pressure roller. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figures 1-6This utility model provides an embodiment: an adjustable film-tightening lever mechanism in the film feeding box of a packaging machine, including a protective box 1; it also includes an adjusting plate 101 and a film feeding assembly; the protective box 1 is provided with a film feeding assembly and a punching assembly; the adjusting plate 101 is fixedly connected to the left and right ends of the inner wall of the protective box 1; a slide rail 102 is fixedly connected to the right end of the adjusting plate 101; a first motor 103 is fixedly connected to the top end of the slide rail 102; the output shaft of the first motor 103 passes through the top end of the slide rail 102 and is fixedly connected to a screw 104; a slider 105 is slidably arranged on the outer wall of the screw 104; a first groove 106 is opened through the right end of the adjusting plate 101; the first groove 106 contains... An adjusting rod 107 is slidably mounted on the wall. A connecting block 108 is fixedly connected to the outer edge of the adjusting rod 107. The upper end of the connecting block 108 is fixedly connected to the lower end of the slider 105. The packaging film 207 is wound downward around the outer wall of the adjusting rod 107. By starting the first motor 103, the slider 105 drives the adjusting rod 107 to slide on the inner wall of the first groove 106, so that the angle of the adjusting rod 107 can be adjusted. This allows the adjusting rod 107 to balance the tension on the surface of the packaging film 207, avoiding the situation of being too loose or too tight. This solves the problem that the fixed swing arm cannot balance the tension of the packaging film 207, which may lead to material waste or even machine jamming.

[0023] Please see Figure 1 and Figure 3 In this embodiment, a protective door 2 is rotatably provided at the rear end of the protective box 1, and multiple heat dissipation holes 3 are provided through the front end of the protective door 2. The film feeding assembly includes a first bearing roller 201, a scale line 202, a mounting plate 203, a second bearing roller 204, a limiting ring 205, a fixing bolt 206, and a packaging film 207. The first bearing roller 201 is rotatably provided on the inner wall of the protective box 1, and the scale line 202 is provided on the outer wall of the first bearing roller 201. The mounting plate 203 is fixedly connected to the inner wall of the protective box 1, and the second bearing roller 204 is rotatably provided on the upper end of the mounting plate 203. The outer wall of the second bearing roller 204 is... Two limiting rings 205 are slidably arranged, and a fixing bolt 206 is threadedly installed at the connection of the limiting rings 205. A packaging film 207 is rotatably arranged on the outer wall of the first bearing roller 201 and the second bearing roller 204. The packaging film 207 is placed on the upper end of the first bearing roller 201 and the second bearing roller 204. The position of the packaging film 207 is adjusted by the scale line 202 on the outer wall of the first bearing roller 201. Then, the limiting rings 205 are moved to limit the packaging film 207. The limiting rings 205 are fixed by the fixing bolts 206 to prevent the packaging film 207 from shifting during rotation.

[0024] Please see Figure 4In this embodiment, the film feeding assembly further includes a second motor 301, a first toothed ring 302, a first rotating roller 303, a rotating rod 304, a second toothed ring 305, a chain 306, a second groove 307, a clamping roller 308, a first locking rod 309, and a first rotating rod 310. The second motor 301 is fixedly connected to the inner wall of the protective box 1. The output shaft of the second motor 301 passes through the inner wall of the protective box 1 and is fixedly connected to the first toothed ring 302. The first rotating roller 303 is rotatably mounted on the inner wall of the protective box 1. A rotating rod 304 is fixedly connected to the inner wall of the first rotating roller 303. The left end of the rotating rod 304 passes through the inner wall of the protective box 1 and is fixedly connected to the second toothed ring 305. The second toothed ring 305 and the first toothed ring... A chain 306 is provided on the outer wall of the protective box 1. A second groove 307 is provided through the left and right ends of the inner wall of the protective box 1. A clamping roller 308 is slidably provided on the inner wall of the second groove 307. A first locking rod 309 is fixed to the right end of the clamping roller 308. A first rotating rod 310 is rotatably provided on the inner wall of the protective box 1. Rotating the first locking rod 309 unlocks the clamping roller 308 and moves the clamping roller 308 away from the first rotating roller 303. Then, the packaging film 207 is passed between the first rotating roller 303 and the clamping roller 308. A second motor 301 is provided to drive the packaging film 207 to rotate on the outer wall of the first rotating roller 303, thereby realizing the film feeding function.

[0025] Please see Figure 5 and Figure 6 In this embodiment, the punching assembly includes a first fixing rod 401, a second locking rod 402, a moving block 403, a second fixing rod 404, a protective plate 405, a pressure roller 406, a punching needle 407, a spring 408, and a pressure roller 409. The inner wall of the protective box 1 is provided with the first fixing rod 401. The two ends of the first fixing rod 401 pass through the inner wall of the protective box 1 and are slidably provided with the second locking rod 402. The outer wall of the first fixing rod 401 is slidably provided with the moving block 403. The upper end of the moving block 403 is threaded with the second fixing rod 404. The lower end of the moving block 403 is rotatably provided with the protective plate 405. The inner wall of the protective plate 405 is rotatably provided with the pressure roller 406. The outer wall of the pressure roller 406 is fixedly connected with the punching needle 407. A spring 408 is fixed to the outer wall of the protective plate 405, and the other end of the spring 408 is fixed to the outer wall of the movable block 403. A pressure roller 409 is rotatably installed on the inner wall of the protective box 1. The outer wall of the pressure roller 409 is in contact with the outer wall of the pressure wheel 406. The packaging film 207 is pulled around the pressure roller 409. The position of the movable block 403 is adjusted according to the position of the packaging film 207 and fixed on the first fixed rod 401 by the second fixed rod 404. By rotating the protective plate 405, the pressure wheel 406 contacts the pressure roller 409, and the packaging film 207 is fixed to the outer wall of the pressure roller 409. By providing a piercing needle 407, a hole can be pierced on one side of the packaging film 207 during rotation to facilitate the release of gas during subsequent packaging.

[0026] In use, firstly, place the packaging film 207 on the upper end of the first bearing roller 201 and the second bearing roller 204. Adjust the position of the packaging film 207 by the scale line 202 on the outer wall of the first bearing roller 201. Then, move the limiting ring 205 to limit the packaging film 207. Fix the limiting ring 205 by the fixing bolt 206. Then, pull the packaging film 207 around the pressure roller 409. Adjust the position of the moving block 403 according to the position of the packaging film 207 and fix the moving block 403 on the first fixing rod 401 by the second fixing rod 404. By rotating the protective plate 405, make the pressure roller 406 contact the pressure roller 409 and fix the packaging film 207 on the outer wall of the pressure roller 409.

[0027] Then, the first locking lever 309 is rotated to unlock the clamping roller 308 and move the clamping roller 308 away from the first rotating roller 303. Then, the packaging film 207 is passed between the first rotating roller 303 and the clamping roller 308 and wound downwards around the outer wall of the adjusting rod 107. By starting the first motor 103, the slider 105 drives the adjusting rod 107 to slide on the inner wall of the first groove 106, so that the adjusting rod 107 can be angled. This allows the adjusting rod 107 to balance the tension on the surface of the packaging film 207, avoiding the situation of being too loose or too tight. This solves the problem that the fixed swing arm cannot balance the tension of the packaging film 207, which may lead to material waste or even machine jamming.

[0028] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An adjustable film-tightening lever mechanism in the film feeding box of a packaging machine, comprising a protective box (1); characterized in that: It also includes an adjusting plate (101) and a film feeding assembly; the protective box (1) is equipped with a film feeding assembly and a punching assembly. The adjusting plate (101) is fixed to the left and right ends of the inner wall of the protective box (1). The right end of the adjusting plate (101) is fixed to a slide rail (102). The top end of the slide rail (102) is fixed to a first motor (103). The output shaft of the first motor (103) passes through the top end of the slide rail (102) and is fixed to a screw (104). A slider (105) is slidably provided on the outer wall. A first groove (106) is provided through the right end of the adjusting plate (101). An adjusting rod (107) is slidably provided on the inner wall of the first groove (106). A connecting block (108) is fixedly connected to the edge of the outer wall of the adjusting rod (107). The upper end of the connecting block (108) is fixedly connected to the lower end of the slider (105).

2. The adjustable-angle film-tightening lever mechanism in the film feeding box of a packaging machine according to claim 1, characterized in that: The protective box (1) has a protective door (2) at the rear end, and multiple heat dissipation holes (3) are opened through the front end of the protective door (2).

3. The adjustable-angle film-tightening lever mechanism in the film feeding box of a packaging machine according to claim 1, characterized in that: The film feeding assembly includes a first carrier roller (201), a scale line (202), a mounting plate (203), a second carrier roller (204), a limiting ring (205), a fixing bolt (206), and a packaging film (207). The first carrier roller (201) is rotatably mounted on the inner wall of the protective box (1), and the scale line (202) is provided on the outer wall of the first carrier roller (201). The mounting plate (203) is fixedly connected to the inner wall of the protective box (1). The second carrier roller (204) is rotatably mounted on the upper end of the mounting plate (203). Two limiting rings (205) are slidably mounted on the outer wall of the second carrier roller (204). The fixing bolt (206) is threadedly installed at the connection of the limiting rings (205). The packaging film (207) is rotatably mounted on the outer walls of the first carrier roller (201) and the second carrier roller (204).

4. The adjustable-angle film-tightening lever mechanism in the film feeding box of a packaging machine according to claim 1, characterized in that: The film feeding assembly also includes a second motor (301), a first toothed ring (302), a first rotating roller (303), a rotating rod (304), a second toothed ring (305), a chain (306), a second groove (307), a clamping roller (308), a first locking rod (309), and a first rotating rod (310); the second motor (301) is fixedly connected to the inner wall of the protective box (1), and the output shaft of the second motor (301) passes through the inner wall of the protective box (1) and is fixedly connected to the first toothed ring (302).

5. The adjustable-angle film-tightening lever mechanism in the film feeding box of a packaging machine according to claim 4, characterized in that: The inner wall of the protective box (1) is rotatably provided with a first rotating roller (303), and a rotating rod (304) is fixedly connected to the inner wall of the first rotating roller (303). The left end of the rotating rod (304) passes through the inner wall of the protective box (1) and is fixedly connected with a second toothed ring (305). The outer walls of the second toothed ring (305) and the first toothed ring (302) are jointly provided with a chain (306). The left and right ends of the inner wall of the protective box (1) are provided with a second groove (307). The inner wall of the second groove (307) is slidably provided with a clamping roller (308). The right end of the clamping roller (308) is fixedly connected with a first locking rod (309). The inner wall of the protective box (1) is rotatably provided with a first rotating rod (310).

6. The adjustable-angle film-tightening lever mechanism in the film feeding box of a packaging machine according to claim 1, characterized in that: The punching assembly includes a first fixing rod (401), a second locking rod (402), a moving block (403), a second fixing rod (404), a protective plate (405), a pressure roller (406), a punching needle (407), a spring (408), and a pressure roller (409); the inner wall of the protective box (1) is provided with the first fixing rod (401), and the two ends of the first fixing rod (401) pass through the inner wall of the protective box (1) and are slidably provided with the second locking rod (402).

7. The adjustable-angle film-tightening lever mechanism in the film feeding box of a packaging machine according to claim 6, characterized in that: A movable block (403) is slidably provided on the outer wall of the first fixed rod (401). A second fixed rod (404) is threadedly installed on the upper end of the movable block (403). A protective plate (405) is rotatably provided on the lower end of the movable block (403). A pressure roller (406) is rotatably provided on the inner wall of the protective plate (405). A piercing needle (407) is fixedly connected to the outer wall of the pressure roller (406). A spring (408) is fixedly connected to the outer wall of the protective plate (405). The other end of the spring (408) is fixedly connected to the outer wall of the movable block (403). A pressure roller (409) is rotatably provided on the inner wall of the protective box (1). The outer wall of the pressure roller (409) is in contact with the outer wall of the pressure roller (406).

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