Film cutting cutterhead device for full-automatic labeling machine

Abstract

The utility model discloses a film cutting cutterhead device for a full-automatic labeling machine, which comprises a film cutting cutterhead main body, the top of the film cutting cutterhead main body is fixedly connected with a rectangular clamping sleeve, the rectangular clamping sleeve is sleeved with a quick-release multidirectional damping protection mechanism, and the quick-release multidirectional damping protection mechanism is fixedly connected with the film cutting cutterhead main body. The quick-release type multidirectional damping protection mechanism comprises a concentric-square-shaped seat which is movably arranged on the rectangular clamping sleeve in a sleeving mode. According to the utility model, a series of structures are arranged, so that the generated torsion impact force is conveniently buffered and unloaded when the film cutting cutter head main body is subjected to relatively large torsion damping force or is accidentally clamped due to torsion, the vertical buffering and unloading are conveniently carried out when the film cutting cutter head main body is subjected to vertical impact force, and under the combination of the two buffering protections, the film cutting cutter head main body is prevented from being damaged. Buffering protection can be effectively and comprehensively conducted on the connecting position and the film cutting cutter head body, protection comprehensiveness is improved, the risk that the connecting position of the connecting base and the film cutting cutter head body are damaged is reduced, the service life is prolonged, and the film cutting cutter head body can be conveniently, rapidly and independently disassembled, assembled and replaced without tools in a simple pulling and loosening mode.

Description

Technical Field

[0001] The utility model relates to the technical field of film cutting cutter disc equipment, in particular to a film cutting cutter disc device for a full-automatic labeling machine. Background Technique

[0002] As one of the equipment with relatively high technical content in the post-stage packaging, the labeling machine has been fully affirmed by customers for its excellent high-speed and stable performance, unique flexible design, and human-machine harmonious safety mode. Application fields: food, beverage and pharmaceutical industries, condiments, fruit juices, injection needles, milk, refined oil, etc. When a full-automatic labeling machine is in use, a film cutting cutter disc device for a full-automatic labeling machine will be used; when the existing film cutting cutter disc device for a full-automatic labeling machine is in use, the service life is often greatly reduced due to insufficient protection of the connection part.

[0003] In this regard, after retrieval, the patent with publication number CN217777055U discloses a film cutting cutter disc device for a full-automatic labeling machine, which relates to the technical field of auxiliary devices for cutting of full-automatic labeling machines. It includes a film cutting cutter disc main body, a reserved circular groove, which is arranged at the middle position on one side of the film cutting cutter disc main body, and an active arc block is arranged on one side of the film cutting cutter disc main body, and the active arc block is fixedly connected with the film cutting cutter disc main body through a connecting spring, and an upper circular convex block is arranged above the active arc block, and the upper circular convex block is adhesively connected with the active arc block, and there are two or more active arc blocks; an anti-slip inner circular pad, which is arranged on the inner wall of the reserved circular groove, and the anti-slip inner circular pad is adhesively connected with the film cutting cutter disc main body, and cutter disc teeth are arranged on the outside of the film cutting cutter disc main body, and the cutter disc teeth are welded to the film cutting cutter disc main body; equipped with a connecting spring, an active arc block and an upper circular convex block, the design of the connecting spring can make the fixation of the active arc block and the upper circular convex block more convenient, and through the combined design of the connecting spring and the upper circular convex block, the protection of the connection part of the cutter disc can be effectively reduced, and the problem that the service life of the existing film cutting cutter disc device for a full-automatic labeling machine is often greatly reduced due to insufficient protection of the connection part is solved.

[0004] The film cutting cutter disc device for a full-automatic labeling machine disclosed above, through structures such as a connecting spring, an active arc block and an upper circular convex block, makes the fixation convenient and enhances the protection of the connection part. However, it still has the following deficiencies: 1. When the film cutting cutter disc main body rotates and is impacted by torsional jamming, etc., it cannot effectively buffer and unload the hard torsional impact force, resulting in the torsional hard shock force being transmitted to the connection part with the motor equipment, causing the connection part to loosen, and the protection effect on the connection part and the film cutting cutter disc main body is not ideal; 2. It cannot disassemble, install and replace the film cutting cutter disc main body conveniently and quickly without tools, and the subsequent replacement convenience of the film cutting cutter disc main body is not ideal; improvement is needed. In view of this, we have proposed a film cutting cutter disc device for a full-automatic labeling machine to solve the above problems. Content of the Utility Model

[0005] The purpose of the present utility model is to provide a film cutting cutter head device for a full-automatic label sleeving machine, so as to solve the problems put forward in the above-mentioned background technology.

[0006] To achieve the above purpose, the present utility model provides the following technical solution: A film cutting cutter head device for a full-automatic label sleeving machine, including a cutter head main body of the film cutting cutter head. A rectangular card sleeve is fixedly connected to the top of the cutter head main body of the film cutting cutter head. A quick-release multi-directional damping protection mechanism is sleeved on the rectangular card sleeve. The cutter head main body of the film cutting cutter head is used for cutting the sleeving film of the full-automatic label sleeving machine when driven by an external motor device to rotate.

[0007] The quick-release multi-directional damping protection mechanism includes a return seat movably sleeved on the rectangular card sleeve. An elastic quick-clamping component is movably clamped in the rectangular card sleeve. The return seat is sleeved on the elastic quick-clamping component. The elastic quick-clamping component is used for conveniently clamping and unlocking the rectangular card sleeve.

[0008] Above the return seat is provided a disc. Above the disc is provided a connecting seat. Arc-shaped holes are respectively opened on both sides of the top of the disc. A connecting arc-shaped slow guiding component is fixedly connected between the front inner wall and the rear inner wall of the arc-shaped hole. The bottoms of the two arc-shaped slow guiding components are fixedly connected to the top of the return seat. The arc-shaped slow guiding component is used for rotating and buffering and unloading the hard impact force received when the cutter head main body of the film cutting cutter head is subjected to a large torsional damping force or torsional jamming.

[0009] A rectangular groove is opened at the bottom of the disc. A vertical slow guiding component is installed in the rectangular groove. The top end of the vertical slow guiding component extends above the disc and is fixedly connected to the bottom of the connecting seat. The vertical slow guiding component is used for vertically buffering and unloading when the cutter head main body of the film cutting cutter head is subjected to a vertical impact.

[0010] Preferably, the elastic quick-clamping component includes an L-shaped clamping rod movably clamped in the rectangular card sleeve. The return seat is slidably sleeved on the L-shaped clamping rod. A pull ring is fixedly connected to the right side of the L-shaped clamping rod. A tension spring is fixedly connected between the right inner wall of the L-shaped clamping rod and the right side of the return seat. The arranged L-shaped clamping rod and the tension spring cooperate. By using the clamping of the L-shaped clamping rod and the rectangular card sleeve, the convenient clamping connection of the cutter head main body of the film cutting cutter head is realized. Pull the pull ring to the right to drive the L-shaped clamping rod to separate from the rectangular card sleeve and stretch the tension spring, achieving the effect of conveniently unlocking and disassembling and assembling the cutter head main body of the film cutting cutter head.

[0011] Preferably, the arc-shaped buffer guide assembly includes arc-shaped guide rods fixedly connected between the inner walls of the front side and the rear side of the corresponding arc-shaped holes. The two arc-shaped guide rods are symmetrically arranged. A slider is slidably sleeved on the arc-shaped guide rod. A first buffer spring is fixedly connected between the front side and the rear side of the slider and the inner walls of the front side and the rear side of the corresponding arc-shaped hole respectively. The first buffer spring is movably sleeved on the corresponding arc-shaped guide rod. The bottoms of the two sliders are fixedly connected to the top of the figure-eight seat. The arranged arc-shaped guide rods, sliders and first buffer springs cooperate. When the torsional damping force on the cutting film cutter head body is large or the torsion is jammed, when the disc continues to rotate, it will drive the two arc-shaped guide rods to slide in the corresponding sliders respectively, and compress or stretch the first buffer spring. The first buffer spring is used to buffer and unload the instantaneous torsional impact force generated, reduce the phenomenon of the hard impact force being transmitted upward, play a role in protecting the connection between the upper connecting seat and the motor equipment, and reduce the risk of damage to the cutting film cutter head body by using buffer unloading.

[0012] Preferably, the vertical buffer guide assembly includes a rectangular block slidably sleeved in the rectangular groove. Two vertical guide rods are fixedly connected to the top of the rectangular block. The tops of the two vertical guide rods extend above the disc and are fixedly connected to the bottom of the connecting seat. The disc is slidably sleeved on the two vertical guide rods. A plurality of second buffer springs are fixedly connected between the top of the rectangular block and the inner wall of the top of the rectangular groove. The arranged rectangular block, vertical guide rods and second buffer springs cooperate. When the bottom of the cutting film cutter head body is impacted, it will drive the figure-eight seat to move upward. The figure-eight seat drives the disc to move upward through the slider and the arc-shaped guide rod in sequence. The disc stretches the second buffer spring. The elasticity of the second buffer spring is used to achieve the effect of vertically buffering and unloading the protection of the cutting film cutter head body, and reduce the phenomenon of the hard shock force being transmitted upward to the connection between the connecting seat and the external motor equipment, so as to achieve the protection effect on the connection.

[0013] Preferably, bolt installation through holes are formed on both sides of the top of the connecting seat.

[0014] Preferably, a rectangular through hole for slidably sleeving the outer side of the L-shaped clamping rod is formed on the right inner wall of the figure-eight seat.

[0015] Preferably, an arc-shaped guide hole for slidably sleeving the outer side of the corresponding arc-shaped guide rod is formed on the front side of the slider.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] 1. In this cutting film cutter head device for a full-automatic labeling machine, through the cooperation of the set disc, loop-shaped seat, cutting film cutter head body and arc-shaped buffer guide assembly, it can buffer and relieve the torsional impact force generated when the cutting film cutter head body is subject to a large torsional damping force or accidentally twists and jams, reduce the phenomenon of the hard impact force being transmitted upward, protect the connection between the upper connecting seat and the motor equipment, and reduce the risk of damage to the cutting film cutter head body by using buffer force relief;

[0018] 2. In this cutting film cutter head device for a full-automatic labeling machine, through the cooperation of the set connecting seat and vertical buffer guide assembly, it can perform vertical buffer force relief when the cutting film cutter head body is subject to a vertical impact force. By the above-mentioned method of buffering and relieving the torsional hard impact force and buffering and relieving the force when subject to a vertical impact, it can effectively and comprehensively buffer and protect the connection and the cutting film cutter head body, improve the comprehensiveness of protection, reduce the risk of damage to the connection at the connecting seat part and the cutting film cutter head body, and extend the service life;

[0019] 3. In this cutting film cutter head device for a full-automatic labeling machine, through the set rectangular card sleeve and elastic quick-clamping assembly, it can disassemble, install and replace the cutting film cutter head body conveniently and quickly without tools by simply pulling and relaxing, improving the convenience of subsequent replacement of the cutting film cutter head body.

[0020] The utility model is provided with a series of structures, which are convenient for buffering and relieving the torsional impact force generated when the cutting film cutter head body is subject to a large torsional damping force or accidentally twists and jams, and are convenient for performing vertical buffer force relief when the cutting film cutter head body is subject to a vertical impact force. With the combination of these two buffer protections, it can effectively and comprehensively buffer and protect the connection and the cutting film cutter head body, improve the comprehensiveness of protection, reduce the risk of damage to the connection at the connecting seat part and the cutting film cutter head body, extend the service life, and are convenient for disassembling, installing and replacing the cutting film cutter head body conveniently and quickly without tools by simply pulling and relaxing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is the front view structural schematic diagram of a cutting film cutter head device for a full-automatic labeling machine proposed by the utility model;

[0022] Figure 2 is the sectional view structural schematic diagram of a cutting film cutter head device for a full-automatic labeling machine proposed by the utility model;

[0023] Figure 3 For the utility model's Figure 2 partial enlarged structural schematic diagram of part A;

[0024] Figure 4 is the top view structural schematic diagram of the disc, arc-shaped guide rod, first buffer spring and slider connecting piece of a cutting film cutter head device for a full-automatic labeling machine proposed by the utility model.

[0025] In the figure: 1. Cutting film cutter head main body; 2. Rectangular sleeve; 3. Square seat; 4. Disc; 5. Connecting seat; 6. Arc hole; 7. Arc guide rod; 8. Slide block; 9. First buffer spring; 10. Rectangular groove; 11. Rectangular block; 12. Second buffer spring; 13. Vertical guide rod; 14. L-shaped clamping rod; 15. Tension spring; 16. Pulling ring. Specific implementation mode

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] As Figures 1 to 4 shown, a cutting film cutter head device for a full-automatic label sleeving machine proposed in this embodiment includes a cutting film cutter head main body 1. A rectangular sleeve 2 is fixedly connected to the top of the cutting film cutter head main body 1. A quick-release multi-directional damping protection mechanism is sleeved on the rectangular sleeve 2. When the cutting film cutter head main body 1 is driven by an external motor device to rotate, it is used for cutting the sleeving film of the full-automatic label sleeving machine.

[0028] The quick-release multi-directional damping protection mechanism includes a square seat 3 movably sleeved on the rectangular sleeve 2. An elastic quick-clamping component is movably clamped in the rectangular sleeve 2. The square seat 3 is sleeved on the elastic quick-clamping component. The elastic quick-clamping component is used for conveniently clamping and unlocking the rectangular sleeve 2. A disc 4 is arranged above the square seat 3. A connecting seat 5 is arranged above the disc 4. Arc holes 6 are formed on both sides of the top of the disc 4. An arc buffer guide component is fixedly connected between the front inner wall and the rear inner wall of the arc hole 6. The bottoms of the two arc buffer guide components are fixedly connected to the top of the square seat 3. Bolt installation through holes are formed on both sides of the top of the connecting seat 5. The provided bolt installation through holes are used for personnel to install with an external motor device through bolts. The arc buffer guide component is used for rotating buffer unloading of the hard impact force received when the cutting film cutter head main body 1 is subjected to a large torsional damping force or torsional jamming. A rectangular groove 10 is formed at the bottom of the disc 4. A vertical buffer guide component is installed in the rectangular groove 10. The top end of the vertical buffer guide component extends above the disc 4 and is fixedly connected to the bottom of the connecting seat 5. The vertical buffer guide component is used for vertical buffer unloading when the cutting film cutter head main body 1 is subjected to a vertical impact. The buffer unloading method can protect the connection part from shock damage and loosening.

[0029] Specifically, the elastic quick-clamping component includes an L-shaped clamping rod 14 movably clamped in a rectangular clamping sleeve 2. A return-shaped seat 3 is slidably sleeved on the L-shaped clamping rod 14. A rectangular through-hole that slidably sleeved on the outer side of the L-shaped clamping rod 14 is provided on the right inner wall of the return-shaped seat 3, which serves to allow the L-shaped clamping rod 14 to pass through and guide its lateral sliding. A pull ring 16 is fixedly connected to the right side of the L-shaped clamping rod 14. A tension spring 15 is fixedly connected between the right inner wall of the L-shaped clamping rod 14 and the right side of the return-shaped seat 3. A groove is provided at the top right of the return-shaped seat 3, and the left inner wall of the groove is fixedly connected to the left end of the tension spring 15. The tension spring 15 is fixedly connected to the right side of the return-shaped seat 3 through the groove. The cooperation of the L-shaped clamping rod 14 and the tension spring 15 is provided. By clamping the L-shaped clamping rod 14 with the rectangular clamping sleeve 2, a convenient clamping connection of the cutting knife disc main body 1 is achieved. Pull the pull ring 16 to the right to drive the L-shaped clamping rod 14 to separate from the rectangular clamping sleeve 2 and stretch the tension spring 15, releasing the clamping state, which facilitates the disassembly and assembly of the cutting knife disc main body 1 by unlocking conveniently.

[0030] Furthermore, the arc-shaped buffer guiding component includes arc-shaped guiding rods 7 fixedly connected between the front inner wall and the rear inner wall of the corresponding arc-shaped holes 6. The two arc-shaped guiding rods 7 are symmetrically arranged. A slider 8 is slidably sleeved on the arc-shaped guiding rod 7. An arc-shaped guiding hole that slidably sleeved on the outer side of the corresponding arc-shaped guiding rod 7 is provided on the front side of the slider 8, which serves to guide the arc-shaped sliding of the slider 8. First buffer springs 9 are fixedly connected between the front side and the rear side of the slider 8 and the front inner wall and the rear inner wall of the corresponding arc-shaped holes 6 respectively. The first buffer springs 9 are movably sleeved on the corresponding arc-shaped guiding rods 7. The bottoms of the two sliders 8 are fixedly connected to the top of the return-shaped seat 3. The cooperation of the arc-shaped guiding rods 7, the sliders 8 and the first buffer springs 9 is provided. When the cutting knife disc main body 1 is subjected to a large torsional damping force or is torsionally jammed, when the disc 4 continues to rotate, it will drive the two arc-shaped guiding rods 7 to slide in the corresponding sliders 8 respectively, and compress or stretch the first buffer springs 9. The first buffer springs 9 are used to buffer and unload the instantaneous torsional impact force generated, reduce the phenomenon of the hard impact force being transmitted upward, protect the connection between the upper connecting seat 5 and the motor equipment, and reduce the risk of damage to the cutting knife disc main body 1 by buffering and unloading the force.

[0031] Furthermore, the vertical buffer guiding assembly includes a rectangular block 11 slidably sleeved in the rectangular groove 10. Two vertical guiding rods 13 are fixedly connected to the top of the rectangular block 11. The tops of the two vertical guiding rods 13 extend above the disc 4 and are fixedly connected to the bottom of the connecting seat 5. The disc 4 is slidably sleeved on the two vertical guiding rods 13. Two vertical guiding holes are respectively formed in the top inner wall of the rectangular groove 10 and slidably sleeved on the outer sides of the corresponding vertical guiding rods 13. The disc 4 is slidably sleeved on the two vertical guiding rods 13 through the two vertical guiding holes, achieving the effect of vertically guiding the sliding of the vertical guiding rods 13. A plurality of second buffer springs 12 are fixedly connected between the top of the rectangular block 11 and the top inner wall of the rectangular groove 10; the rectangular block 11, the vertical guiding rods 13 and the second buffer springs 12 are cooperated. When the bottom of the film cutting cutter disc body 1 is impacted, it will drive the loop-shaped seat 3 to move upward. The loop-shaped seat 3 drives the disc 4 to move upward through the slider 8 and the arc-shaped guiding rod 7 in sequence. The disc 4 stretches the second buffer springs 12. The elastic force of the second buffer springs 12 is used to achieve the effect of vertically buffering and unloading the force on the film cutting cutter disc body 1, and reducing the phenomenon that the hard shock force is transmitted upward to the connection between the connecting seat 5 and the external motor equipment, achieving the protection effect on the connection.

[0032] The usage method of this embodiment is as follows: The connecting seat 5 is installed and fixed to the driving shaft of the external motor equipment through external bolts, so that it is driven to rotate by the external motor equipment. When the connecting seat 5 rotates, it drives the disc 4 to rotate through the two vertical guiding rods 13. The disc 4 drives the loop-shaped seat 3 to rotate through the first buffer spring 9 and the slider 8 in sequence. The loop-shaped seat 3 drives the film cutting cutter disc body 1 to rotate through the rectangular clamping sleeve 2, and the rotating film cutting cutter disc body 1 is used to cut the sleeve film of the full-automatic labeler; when the film cutting cutter disc body 1 is subjected to a large torsional damping force or accidentally twists and jams, when the disc 4 continues to rotate, it will drive the two arc-shaped guiding rods 7 to slide in the arc-shaped guiding holes of the corresponding sliders 8 respectively, and compress or stretch the first buffer spring 9. The first buffer spring 9 is used to buffer and unload the instantaneous torsional impact force generated, reduce the phenomenon that the hard impact force is transmitted upward, protect the connection between the upper connecting seat 5 and the motor equipment, and reduce the risk of damage to the film cutting cutter disc body 1 by buffering and unloading the force.

[0033] When the bottom of the cutting film cutter head body 1 is impacted, it will drive the loop-shaped seat 3 to move upward. The loop-shaped seat 3 drives the disc 4 to move upward through the slider 8 and the arc-shaped guide rod 7 in sequence. The disc 4 stretches the second buffer spring 12, and the elastic force of the second buffer spring 12 is used to achieve the effect of vertically buffering and unloading the force on the cutting film cutter head body 1, and reduce the phenomenon that the hard shock force is transmitted upward to the connection between the connecting seat 5 and the external motor equipment, so as to achieve the protection effect on the connection. By buffering and unloading the torsional hard impact force during torsion and buffering and unloading the force during vertical impact, it can effectively and comprehensively buffer and protect the connection and the cutting film cutter head body 1, improve the comprehensiveness of protection, reduce the risk of damage to the connection at the connecting seat 5 part and the cutting film cutter head body 1, and improve the service life;

[0034] When it is necessary to disassemble, install and replace the cutting film cutter head body 1, pull the pull ring 16 to the right to drive the L-shaped clamping rod 14 to separate from the rectangular clamping sleeve 2, and stretch the tension spring 15 to release the clamping state of the rectangular clamping sleeve 2. At this time, the cutting film cutter head body 1 can be directly moved downward to drive the rectangular clamping sleeve 2 to separate from the loop-shaped seat 3. Then, the rectangular clamping sleeve 2 on the new cutting film cutter head body 1 is clamped into the loop-shaped seat 3, and the tension on the pull ring 16 is released. At this time, the elastic force of the tension spring 15 in the stretched state drives the L-shaped clamping rod 14 to snap into the rectangular clamping sleeve 2 to realize the clamping and locking of the cutting film cutter head body 1, and the installation is completed. This makes it convenient to disassemble, install and replace the cutting film cutter head body 1 alone without tools quickly and conveniently by simply pulling and relaxing, and improves the convenience of subsequent replacement of the cutting film cutter head body 1.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A film cutting disc device for a fully automatic sleeve labeling machine, comprising a film cutting disc body (1), characterized in that: A rectangular clamping sleeve (2) is fixedly connected to the top of the film cutting blade body (1), and a quick-release multi-directional damping protection mechanism is mounted on the rectangular clamping sleeve (2); The quick-release multi-directional damping protection mechanism comprises a round seat (3) movably mounted on a rectangular clamping sleeve (2), an elastic quick clamping assembly movably mounted in the rectangular clamping sleeve (2), and the round seat (3) is mounted on the elastic quick clamping assembly; A disc (4) is provided above the round-shaped seat (3), a connecting seat (5) is provided above the disc (4), arc-shaped holes (6) are provided on both sides of the top of the disc (4), an arc-shaped slow-guide component is fixedly connected between the front inner wall and the rear inner wall of the arc-shaped hole (6), and the bottoms of the two arc-shaped slow-guide components are fixedly connected to the top of the round-shaped seat (3); The bottom of the disc (4) is provided with a rectangular groove (10), in which a vertical deceleration guide assembly is installed, and the top end of the vertical deceleration guide assembly extends to the top of the disc (4) and is fixedly connected to the bottom of the connecting seat (5).

2. The film cutting knife device for a fully automatic sleeve labeling machine according to claim 1 is characterized in that: The elastic quick-clamp assembly comprises an L-shaped clamping rod (14) movably clamped in a rectangular clamping sleeve (2); the return seat (3) is slidably sleeved on the L-shaped clamping rod (14); a pull ring (16) is fixedly connected to the right side of the L-shaped clamping rod (14); and a tension spring (15) is fixedly connected between the right inner wall of the L-shaped clamping rod (14) and the right side of the return seat (3).

3. The film cutting knife device for a fully automatic sleeve labeling machine according to claim 2 is characterized in that: The arc-shaped buffer guide assembly comprises an arc-shaped guide rod (7) fixedly connected between the front inner wall and the rear inner wall of the corresponding arc-shaped hole (6), the two arc-shaped guide rods (7) are symmetrically arranged, a slider (8) is slidably sleeved on the arc-shaped guide rod (7), a first buffer spring (9) is fixedly connected between the front and rear sides of the slider (8) and the front and rear inner walls of the corresponding arc-shaped hole (6), respectively, the first buffer spring (9) is movably sleeved on the corresponding arc-shaped guide rod (7), and the bottoms of the two sliders (8) are fixedly connected to the top of the return seat (3).

4. The film cutting knife device for a fully automatic sleeve labeling machine according to claim 3 is characterized in that: The vertical buffer guide assembly comprises a rectangular block (11) slidably mounted in a rectangular groove (10); two vertical guide rods (13) are fixedly connected to the top of the rectangular block (11); the top ends of the two vertical guide rods (13) extend to the top of the disc (4) and are fixedly connected to the bottom of the connecting seat (5); the disc (4) is slidably mounted on the two vertical guide rods (13); and a plurality of second buffer springs (12) are fixedly connected between the top of the rectangular block (11) and the top inner wall of the rectangular groove (10).

5. The film cutting knife device for a fully automatic sleeve labeling machine according to claim 1 is characterized in that: Bolt installation holes are provided on both sides of the top of the connection seat (5).

6. The film cutting knife device for a fully automatic sleeve labeling machine according to claim 2 is characterized in that: A rectangular through hole is provided on the right inner wall of the circular seat (3) and is slidably mounted on the outer side of the L-shaped clamping rod (14).

7. The film cutting knife device for a fully automatic sleeve labeling machine according to claim 3 is characterized by: The front side of the sliding block (8) is provided with an arc-shaped guide hole which is slidably mounted on the outer side of the corresponding arc-shaped guide rod (7).

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