Transverse cutting device of full-automatic stretch film packaging machine

Abstract

The utility model belongs to the technical field of packaging machine auxiliary devices, and particularly relates to a full-automatic stretch film packaging machine transverse cutting device which comprises a fixing piece, a moving groove is formed in the bottom of the fixing piece, a threaded rod is arranged in the moving groove, a driving motor is arranged at one end of the fixing piece, and a connecting block is arranged on the threaded rod. Sliding blocks are arranged on the two sides of the connecting block, sliding grooves are formed in the two sides of the moving groove, an air cylinder is arranged at the bottom of the connecting block, a control device is arranged at one end of the fixing piece, a connecting block is arranged at the bottom of the air cylinder, a cutting knife is arranged at the bottom of the connecting block, a fixing mechanism is arranged on the connecting block, and a mounting groove is formed in the bottom of the connecting block. By arranging the fixing mechanism, the mounting groove and the placing rod, the replacement convenience of the cutting knife of the transverse cutting device of the automatic stretch film packaging machine can be further improved, and the mounting stability of the cutting knife of the transverse cutting device of the full-automatic stretch film packaging machine can be further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machine auxiliary devices, in particular to a transverse cutting device for a full-automatic stretch film packaging machine. Background Art

[0002] The fully automatic stretch film packaging machine is a device used to package products. It places the product on a conveying system and then wraps and seals the product with stretch film. The entire packaging process of the fully automatic stretch film packaging machine is completed automatically without human intervention. The transverse cutting device is usually used to cut the stretch film horizontally during the packaging process of the packaging machine to complete the sealing and segmentation of the package. This device usually includes a cutting knife, a drive system and a control system. The cutting knife moves through the drive system and completes the accurate cutting of the stretch film according to the set parameters and control signals.

[0003] The prior art has the following problems:

[0004] 1. The cutting knife of the transverse cutting device of the fully automatic stretch film packaging machine in the prior art is usually fixed on the cutting device driving mechanism by screws. When the cutting knife needs to be replaced later, it is often necessary to use external tools such as screwdrivers to disassemble and assemble the screws used to fix the cutting knife. The replacement of the cutting knife is relatively troublesome. The convenience of replacing the cutting knife of the transverse cutting device of the automatic stretch film packaging machine can be further improved.

[0005] 2. The cutting knife of the transverse cutting device of the fully automatic stretch film packaging machine in the prior art is usually fixed on the cutting device driving mechanism by screws. As the cutting knife is disassembled, assembled and replaced many times, the screws used to fix the cutting knife are prone to stripping and loosening, thereby affecting the installation stability of the cutting knife. The installation stability of the cutting knife of the transverse cutting device of the fully automatic stretch film packaging machine can be further improved. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a transverse cutting device for a fully automatic stretch film packaging machine, which solves the problem that the cutting knife of the current transverse cutting device of the fully automatic stretch film packaging machine is usually fixedly installed on the cutting device driving mechanism by screws. When the cutting knife needs to be replaced in the later stage, it is often necessary to use external tools such as screwdrivers to disassemble and assemble the screws used to fix the cutting knife. The replacement of the cutting knife is relatively troublesome. The convenience of replacing the cutting knife of the transverse cutting device of the automatic stretch film packaging machine can be further improved. The cutting knife of the transverse cutting device of the fully automatic stretch film packaging machine is usually fixedly installed on the cutting device driving mechanism by screws. With multiple disassembly and replacement of the cutting knife, the screws used to fix the cutting knife are prone to slippage and loosening, thereby affecting the installation stability of the cutting knife. The installation stability of the cutting knife of the transverse cutting device of the fully automatic stretch film packaging machine can be further improved.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transverse cutting device of a fully automatic stretch film packaging machine, comprising a fixing member, a movable groove is provided at the bottom of the fixing member, a threaded rod is provided in the movable groove, a driving motor is provided at one end of the fixing member, a connecting block is provided on the threaded rod, sliders are provided on both sides of the connecting block, slide grooves are provided on both sides of the movable groove, a cylinder is provided at the bottom of the connecting block, a control device is provided at one end of the fixing member, a connecting block is provided at the bottom of the cylinder, a cutting knife is provided at the bottom of the connecting block, a fixing mechanism is provided on the connecting block, a mounting groove is provided at the bottom of the connecting block, and a placing rod is provided on one side of the connecting block;

[0008] The fixing mechanism is specifically composed of an empty slot, a spring, a limit rod, a limit slot, a limit block, a clamping slot, a fixing rod, a positioning block and a magnet block. An empty slot is provided on one side of the inner wall of the installation slot, and a clamping slot is provided on the other side of the inner wall of the installation slot. A spring is arranged in the empty slot, a limit rod is arranged on the empty slot, and limit slots are arranged on both sides of the inner wall of the empty slot. A limit block is arranged on one side of the limit rod, a fixing rod and a positioning block are arranged on one side of the connecting block, and a magnet block is arranged on one side of the positioning block.

[0009] As a preferred technical solution of the utility model, the mounting groove is matched with the mounting end of the cutting knife, the mounting end of the cutting knife is clamped in the mounting groove, and the top of the clamping groove passes through the cutting knife.

[0010] As a preferred technical solution of the utility model, one end of the spring is fixedly installed at the bottom of the empty slot, the empty slot is adapted to the limiting rod, and one end of the limiting rod extends into the empty slot and is fixedly installed at the other end of the spring.

[0011] As a preferred technical solution of the utility model, limiting blocks are fixedly installed on both sides of the extending end of the limiting rod, the two groups of limiting grooves are respectively adapted to the two groups of limiting blocks, the two groups of limiting blocks are respectively slidably installed in the two groups of limiting grooves, the clamping slot is adapted to the protruding end of the limiting rod, and the protruding end of the limiting rod is clamped in the clamping slot after passing through the cutting knife.

[0012] As a preferred technical solution of the utility model, one end of the fixing rod passes through the bottom of the empty slot and the spring in sequence and is fixedly installed on the extending end of the limiting rod, and one end of the installation side of the positioning block is rotatably installed on the extending end of the fixing rod.

[0013] As a preferred technical solution of the utility model, the placement rod is fixedly installed on the connecting block near the positioning block, and magnet blocks are embedded in the other end of the installation side of the positioning block and the side of the placement rod away from the connecting block, and there is magnetic attraction between the two groups of magnet blocks.

[0014] As a preferred technical solution of the utility model, when the side of the positioning block provided with the magnet block and the side of the placing rod provided with the magnet block are on the same horizontal line, the limiting rod as a whole is completely located in the empty slot, and a total of two sets of fixing mechanisms are provided on the connecting block, and the driving motor and the cylinder are electrically connected to the control device.

[0015] Compared with the prior art, the utility model provides a transverse cutting device for a fully automatic stretch film packaging machine, which has the following beneficial effects:

[0016] 1. This fully automatic stretch film packaging machine transverse cutting device is provided with a fixing mechanism, an installation slot, and a placement rod. The positioning block is pulled and rotated to place the positioning block on the corresponding placement rod. The position of the limit rod is fixed, and at this time the limit rod is completely located in the empty slot. The cutting knife is moved downward to separate the cutting knife from the installation slot to complete the removal of the cutting knife. When the cutting knife needs to be installed later, the above operation is performed in reverse. This structure can complete the replacement of the cutting knife without the aid of external tools, which can further improve the convenience of replacing the cutting knife of the automatic stretch film packaging machine transverse cutting device.

[0017] 2. This transverse cutting device of a fully automatic stretch film packaging machine is equipped with a fixing mechanism, an installation groove, and a placement rod. As the cutting knife is disassembled, assembled, and replaced multiple times, the limit rod will still pass through the cutting knife and be engaged in the slot. The limit rod will not detach from the slot at will, and the cutting knife can still be limited. The cutting knife will not move at will, which can improve the installation stability of the cutting knife. This structure can further improve the installation stability of the cutting knife of the transverse cutting device of the fully automatic stretch film packaging machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall direct-view structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure at point A;

[0020] Figure 3 This is a schematic diagram of the side structural cross-section of the connecting block and the cutting knife of the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the connection block of the utility model;

[0022] Figure 5 This is a three-dimensional schematic diagram of the cutting knife of the utility model;

[0023] Figure 6 It is a schematic diagram of the top cross-sectional structure of the fixing member of the utility model.

[0024] In the figure: 1. fixing part; 2. moving groove; 3. threaded rod; 4. driving motor; 5. connecting block; 6. sliding block; 7. sliding groove; 8. cylinder; 9. control device; 10. connecting block; 11. cutting knife; 12. fixing mechanism; 1201. empty groove; 1202. spring; 1203. limiting rod; 1204. limiting groove; 1205. limiting block; 1206. card slot; 1207. fixing rod; 1208. positioning block; 1209. magnet block; 13. mounting groove; 14. placing rod. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-6 In this embodiment: a fully automatic stretch film packaging machine transverse cutting device includes a fixing member 1, a moving groove 2 is provided at the bottom of the fixing member 1, a threaded rod 3 is provided in the moving groove 2, and the rotation of the threaded rod 3 can drive the linear movement of the connecting block 5, and a driving motor 4 is provided at one end of the fixing member 1. The specific model of the driving motor 4 is PM180-30B, and a connecting block 5 is provided on the threaded rod 3. Slide blocks 6 are provided on both sides of the connecting block 5, and slide grooves 7 are provided on both sides of the moving groove 2. The slide blocks 6 combined with the slide grooves 7 can prevent the rotation of the threaded rod 3 from driving the connecting block 5 is rotated, a cylinder 8 is arranged at the bottom of the connecting block 5, and the specific model of the cylinder 8 is MGCLB12-10. A control device 9 is arranged at one end of the fixing member 1, and the control device 9 can control the operation of the drive motor 4 and the cylinder 8. A connecting block 10 is arranged at the bottom of the cylinder 8, and the connecting block 10 can facilitate the connection between the cutting knife 11 and the output end of the cylinder 8. The cutting knife 11 is arranged at the bottom of the connecting block 10, and a fixing mechanism 12 is arranged on the connecting block 10. A mounting groove 13 is opened at the bottom of the connecting block 10, and a placing rod 14 is arranged on one side of the connecting block 10;

[0027] The fixing mechanism 12 is specifically composed of an empty slot 1201, a spring 1202, a limiting rod 1203, a limiting slot 1204, a limiting block 1205, a slot 1206, a fixing rod 1207, a positioning block 1208 and a magnet block 1209. An empty slot 1201 is provided on one side of the inner wall of the installation slot 13, and a slot 1206 is provided on the other side of the inner wall of the installation slot 13. The spring 1202 is provided in the empty slot 1201, and the empty slot 1201 A limiting rod 1203 is arranged on the top, and when the limiting rod 1203 is clamped in the clamping slot 1206, the cutting knife 11 can be limited, and the cutting knife 11 will not move at will. Limiting slots 1204 are arranged on both sides of the inner wall of the empty slot 1201, and a limiting block 1205 is arranged on one side of the limiting rod 1203, and a fixing rod 1207 and a positioning block 1208 are arranged on one side of the connecting block 10, and a magnet block 1209 is arranged on one side of the positioning block 1208.

[0028] In this embodiment, the mounting groove 13 is adapted to the mounting end of the cutting knife 11, and the mounting end of the cutting knife 11 is clamped in the mounting groove 13. The top of the clamping groove 1206 passes through the cutting knife 11. The mounting groove 13 can facilitate the initial connection between the cutting knife 11 and the connecting block 10; one end of the spring 1202 is fixedly installed at the bottom of the empty groove 1201, and the empty groove 1201 is adapted to the limiting rod 1203. One end of the limiting rod 1203 extends into the empty groove 1201 and is fixedly installed at the other end of the spring 1202. The spring 1202 has a rebound reset effect; the limiting rod 1 The two sides of the extending end of 203 are fixedly installed with limit blocks 1205, the two groups of limit grooves 1204 are respectively adapted to the two groups of limit blocks 1205, the two groups of limit blocks 1205 are respectively slidably installed in the two groups of limit grooves 1204, the card slot 1206 is adapted to the protruding end of the limit rod 1203, the protruding end of the limit rod 1203 passes through the cutting knife 11 and is clamped in the card slot 1206, the limit block 1205 combined with the limit groove 1204 can prevent the limit rod 1203 from escaping from the empty slot 1201; one end of the fixed rod 1207 passes through the bottom of the empty slot 1201 in turn , spring 1202 is fixedly installed on the extending end of the limit rod 1203, one end of the installation side of the positioning block 1208 is rotatably installed on the extending end of the fixed rod 1207, and the movement of the limit rod 1203 can be driven by pulling the fixed rod 1207; the placement rod 14 is fixedly installed on the connecting block 10 near the positioning block 1208, and the other end of the installation side of the positioning block 1208 and the side of the placement rod 14 away from the connecting block 10 are embedded with magnet blocks 1209, and there is magnetic attraction between the two groups of magnet blocks 1209. When the positioning block 1208 is placed on the placement rod 14 Due to the magnetic attraction between the two groups of magnet blocks 1209, the positioning block 1208 will not detach from the placement rod 14 at will, and the position of the limit rod 1203 can be fixed; when the side of the positioning block 1208 with the magnet block 1209 and the side of the placement rod 14 with the magnet block 1209 are on the same horizontal line, the limit rod 1203 is completely located in the empty slot 1201 as a whole, and two groups of fixing mechanisms 12 are arranged on the connecting block 10, and the driving motor 4 and the cylinder 8 are electrically connected to the control device 9, and the empty slot 1201 can facilitate the movement of the limit rod 1203.

[0029] The working principle and use process of the utility model are as follows: the operator first checks whether the relevant parts are installed in the correct position, and installs the fixing part 1 as a whole in the appropriate position on the packaging machine. The control device 9 can control the operation of the driving motor 4 and the cylinder 8. The reciprocating rotation of the output end of the driving motor 4 can drive the synchronous rotation of the threaded rod 3, and then drive the connecting block 5 to perform reciprocating linear motion. The reciprocating linear motion of the connecting block 5 can drive the synchronous motion of the cylinder 8 equipped with the cutting knife 11. The cylinder 8 can drive the cutting knife 11 to move up and down so that the cutting knife 11 is at a suitable height, and then the cutting knife 11 can be horizontally moved. The stretch film is cut by reciprocating movement. When the cutting knife 11 needs to be replaced, one of the positioning blocks 1208 is pulled and rotated to place the positioning block 1208 on the corresponding placement rod 14. During this process, the spring 1202 will be squeezed. Due to the magnetic attraction between the magnet block 1209 on the placement rod 14 and the magnet block 1209 on the positioning block 1208, the positioning block 1208 will not be separated from the placement rod 14 at will, and the position of the limit rod 1203 is fixed. At this time, the limit rod 1203 is completely located in the empty slot 1201 as a whole. The other group of positioning blocks 1208 corresponds to the operation The same operation is performed as above. At this time, the cutting knife 11 is moved downward to make the cutting knife 11 disengage from the installation slot 13 to complete the removal of the cutting knife 11. When the cutting knife 11 needs to be installed later, the above operation is performed in reverse, and due to the rebound reset effect of the spring 1202, one end of the limit rod 1203 will pass through the cutting knife 11 again and be connected in the card slot 1206. When the limit rod 1203 is connected in the card slot 1206, the cutting knife 11 can be limited, the cutting knife 11 will not move at will, and the installation of the cutting knife 11 can be completed. The replacement of the cutting knife 11 does not require the aid of external tools, which is more convenient and easy to use. The cutting knife 11 is disassembled, assembled and replaced multiple times, and the limiting rod 1203 will still pass through the cutting knife 11 and be engaged in the slot 1206. The limiting rod 1203 will not detach from the slot 1206 at will, and the cutting knife 11 can still be limited. The cutting knife 11 will not move at will, which can improve the installation stability of the cutting knife 11. This structure can complete the replacement of the cutting knife 11 without the aid of external tools, which can further improve the convenience of replacing the cutting knife 11 of the transverse cutting device of the automatic stretch film packaging machine, and can further improve the installation stability of the cutting knife 11 of the transverse cutting device of the full-automatic stretch film packaging machine.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A transverse cutting device for a fully automatic stretch film packaging machine, comprising a fixing member (1), a movable groove (2) is provided at the bottom of the fixing member (1), a threaded rod (3) is arranged in the movable groove (2), a driving motor (4) is arranged at one end of the fixing member (1), a connecting block (5) is arranged on the threaded rod (3), sliders (6) are arranged on both sides of the connecting block (5), sliding grooves (7) are arranged on both sides of the movable groove (2), a cylinder (8) is arranged at the bottom of the connecting block (5), a control device (9) is arranged at one end of the fixing member (1), a connecting block (10) is arranged at the bottom of the cylinder (8), and a cutting knife (11) is arranged at the bottom of the connecting block (10), characterized in that: A fixing mechanism (12) is provided on the connection block (10), a mounting groove (13) is provided at the bottom of the connection block (10), and a placement rod (14) is provided on one side of the connection block (10); The fixing mechanism (12) is specifically composed of an empty slot (1201), a spring (1202), a limiting rod (1203), a limiting slot (1204), a limiting block (1205), a clamping slot (1206), a fixing rod (1207), a positioning block (1208) and a magnet block (1209); an empty slot (1201) is provided on one side of the inner wall of the installation slot (13); a clamping slot (1206) is provided on the other side of the inner wall of the installation slot (13); A spring (1202) is arranged in (1201), a limiting rod (1203) is arranged on the empty slot (1201), limiting slots (1204) are provided on both sides of the inner wall of the empty slot (1201), a limiting block (1205) is arranged on one side of the limiting rod (1203), a fixing rod (1207) and a positioning block (1208) are arranged on one side of the connecting block (10), and a magnet block (1209) is arranged on one side of the positioning block (1208).

2. The transverse cutting device of the fully automatic stretch film packaging machine according to claim 1, characterized in that: The mounting groove (13) is adapted to the mounting end of the cutting blade (11), the mounting end of the cutting blade (11) is snap-fitted into the mounting groove (13), and the top of the snap-fit ​​groove (1206) passes through the cutting blade (11).

3. The transverse cutting device of the fully automatic stretch film packaging machine according to claim 1, characterized in that: One end of the spring (1202) is fixedly mounted on the bottom of the empty slot (1201), the empty slot (1201) is adapted to the limiting rod (1203), and one end of the limiting rod (1203) extends into the empty slot (1201) and is fixedly mounted on the other end of the spring (1202).

4. The transverse cutting device of the fully automatic stretch film packaging machine according to claim 1, characterized in that: Limiting blocks (1205) are fixedly installed on both sides of the extending end of the limiting rod (1203); the two groups of limiting grooves (1204) are respectively matched with the two groups of limiting blocks (1205); the two groups of limiting blocks (1205) are respectively slidably installed in the two groups of limiting grooves (1204); the clamping groove (1206) is matched with the extending end of the limiting rod (1203); the extending end of the limiting rod (1203) passes through the cutting knife (11) and is clamped in the clamping groove (1206).

5. The transverse cutting device of the fully automatic stretch film packaging machine according to claim 1, characterized in that: One end of the fixing rod (1207) passes through the bottom of the empty slot (1201) and the spring (1202) in sequence and is fixedly mounted on the protruding end of the limiting rod (1203), and one end of the mounting side of the positioning block (1208) is rotatably mounted on the protruding end of the fixing rod (1207).

6. The transverse cutting device of the fully automatic stretch film packaging machine according to claim 1, characterized in that: The placement rod (14) is fixedly mounted on the connection block (10) near the positioning block (1208); the other end of the installation side of the positioning block (1208) and the side of the placement rod (14) away from the connection block (10) are both embedded with magnet blocks (1209), and there is magnetic attraction between the two groups of magnet blocks (1209).

7. The transverse cutting device of the fully automatic stretch film packaging machine according to claim 1, characterized in that: When the side of the positioning block (1208) on which the magnet block (1209) is provided is on the same horizontal line as the side of the placement rod (14) on which the magnet block (1209) is provided, the limiting rod (1203) is completely located in the empty slot (1201) as a whole, and two sets of fixing mechanisms (12) are provided on the connecting block (10), and the driving motor (4) and the cylinder (8) are both electrically connected to the control device (9).

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