Sea cucumber box sealing machine

Abstract

The utility model relates to the technical field of box sealing machines, in particular to a sea cucumber box sealing machine which facilitates rapid fixing and box sealing transportation of sea cucumber foam boxes and improves practicability and convenience. Comprising a transportation mechanism; the carton sealing device comprises a conveying mechanism and further comprises a rotating mechanism, a fixing mechanism, a driving mechanism, a carton sealing mechanism and a cutting-off mechanism, the rotating mechanism is installed on the conveying mechanism, the fixing mechanism is installed on the rotating mechanism, the driving mechanism is installed on the fixing mechanism, the carton sealing mechanism is installed on the conveying mechanism, and the cutting-off mechanism is installed on the carton sealing mechanism. The sea cucumber foam box is convenient to transport through the transporting mechanism, the rotating mechanism drives the sea cucumber foam box to rotate, the driving mechanism drives the fixing mechanism to quickly fix and lift the sea cucumber foam box, the box sealing mechanism seals the sea cucumber foam box with an adhesive tape, and the cutting mechanism cuts off the adhesive tape.

Description

Technical Field

[0001] The utility model relates to the technical field of carton sealing machines, in particular to a sea cucumber carton sealing machine. Background Art

[0002] Sea cucumber is a precious marine animal. Foam insulation box, also known as EPS (Expanded Polystyrene) insulation box or refrigerated box, is a packaging material with insulation performance made of polystyrene resin. This material is heated and foamed, then plasticized, gas injected, sealed and pressurized in a mold. It has a closed-cell structure with many tiny pores inside, which makes it have good insulation performance. In order to improve the impact resistance and pressure resistance of sea cucumber transportation, some sea cucumbers are packaged and transported in foam insulation boxes.

[0003] Existing carton sealing machines, such as the prior art with application number CN201610445191.1, include legs, an operating table, an upper carton sealing head, a carton sealing head fixing column, an upper carton sealing head fixing plate, a slide rod, a left locking device, a right locking device, earmuffs and a lower carton sealing head, etc. It has a simple structure and is safe, stable, convenient and reliable to use. It can make the sealed cartons uniform and beautiful, and reduce the labor intensity of workers.

[0004] However, the prior art is not convenient for sealing the box body and the foam cover of the foam box with adhesive tape, which reduces the practicality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a sea cucumber box sealing machine which is convenient for quickly fixing and sealing sea cucumber foam boxes for transportation, thereby improving practicality and convenience.

[0006] The utility model discloses a sea cucumber box sealing machine, comprising a transport mechanism, a rotating mechanism, a fixing mechanism, a driving mechanism, a box sealing mechanism and a cutting mechanism. The rotating mechanism is mounted on the transport mechanism, the fixing mechanism is mounted on the rotating mechanism, the driving mechanism is mounted on the fixing mechanism, the box sealing mechanism is mounted on the transport mechanism, and the cutting mechanism is mounted on the box sealing mechanism. The transport mechanism is convenient for transporting sea cucumber foam boxes, the rotating mechanism drives the sea cucumber foam boxes to rotate, the driving mechanism drives the fixing mechanism to quickly fix and lift the sea cucumber foam boxes, the box sealing mechanism seals the sea cucumber foam boxes with adhesive tape, and the cutting mechanism cuts the adhesive tape. The transport mechanism is convenient for transporting sea cucumber foam boxes, the rotating mechanism drives the sea cucumber foam boxes to rotate, the driving mechanism drives the fixing mechanism to quickly fix and lift the sea cucumber foam boxes, thereby improving convenience, the box sealing mechanism seals the sea cucumber foam boxes with adhesive tape, and the cutting mechanism cuts the adhesive tape, thereby improving practicality.

[0007] Preferably, the transport mechanism includes a base plate, a conveying frame and a conveying roller. The conveying frame is installed on the base plate, and the conveying roller is rotatably installed on the conveying frame. A chain and a motor are arranged in the conveying frame. By turning on the motor in the conveying frame, the conveying frame is driven to rotate under the transmission of the chain, thereby transporting the sea cucumber foam box.

[0008] Preferably, the rotating mechanism includes a turntable, a rotating shaft, a first driving box, a turbine, a worm gear and a first motor. The turntable is rotatably mounted on the base plate via the rotating shaft, the first driving box is mounted at the bottom end of the base plate, the turbine is mounted on the rotating shaft, the worm gear is rotatably mounted on the inner wall of the first driving box, the worm gear is meshed with the turbine, the first motor is mounted on the outer wall of the first driving box, and the output end of the first motor is connected to the worm gear. The worm gear is driven to rotate by turning on the first motor, and the rotating shaft is driven to rotate through the meshing relationship, thereby driving the turntable to rotate, and then driving the sea cucumber foam box to rotate, so that the sealing mechanism can seal the sea cucumber foam box.

[0009] Preferably, the fixing mechanism includes a second driving box, a sliding sleeve, a sliding rod, a fixed seat, a guide rod, a fixed plate and a first connecting rod, the second driving box is installed on the turntable, a chamber is arranged in the second driving box, the sliding sleeve is installed on the second driving box, the sliding rod is slidably installed in the sliding sleeve, the fixed seat is installed on the sliding rod, a sliding groove is arranged on the fixed seat, the guide rod is installed in the sliding groove of the fixed seat, the fixed plate is slidably installed on the guide rod, one end of the first connecting rod is rotatably installed on the fixed plate, and the other end of the first connecting rod is rotatably installed on the outer wall of the sliding sleeve; when the sea cucumber foam box is transported to the top of the fixed seat, the driving mechanism is opened to drive the sliding rod to slide in the sliding sleeve, and then drive the fixed seat to rise to lift the sea cucumber foam box, and at the same time, the first connecting rod is used to drive the fixed plate to slide on the guide rod, and the foam box is fixed by the fixed plate, thereby improving convenience.

[0010] Preferably, the driving mechanism includes a lead screw, two sliders, two second connecting rods and a second motor, the lead screw is rotatably mounted on the inner wall of the second driving box, the two sliders are slidably mounted on the inner bottom end of the second driving box, the two sliders are provided with threads in opposite directions, the two sliders cooperate with the lead screw threads, one end of the second connecting rod is rotatably mounted on the bottom end of the sliding rod, the other end of the second connecting rod is rotatably mounted on the slider, the second motor is mounted on the outer wall of the second driving box, and the output end of the second motor is connected to the lead screw; when the sea cucumber foam box is transported to the top of the fixed seat, the lead screw is driven to rotate by turning on the second motor, and then the two sliders are driven to move relative to each other through the threaded relationship, and then the sliding rod is driven to slide in the sliding sleeve by the second connecting rod, thereby driving the fixed seat to rise and lift the sea cucumber foam box. At the same time, the fixing plate is driven to slide on the guide rod by the first connecting rod, and the foam box is fixed by the fixing plate, thereby improving convenience.

[0011] Preferably, the carton sealing mechanism includes a first mounting frame, a sliding plate, a first cylinder, a tape roller, a pressing roller and a non-stick roller. The first mounting frame is mounted on the side wall of the conveying frame, the sliding plate is slidably mounted on the first mounting frame, the first cylinder is mounted on the first mounting frame, the movable end of the first cylinder is connected to the sliding plate, the tape roller is mounted on the sliding plate, the pressing roller and the non-stick roller are mounted on the sliding plate, and the non-stick coating is provided on the non-stick roller; firstly, the tape is placed on the tape roller, and then the tape is clamped by the pressing roller and the non-stick roller, and the sliding plate is driven to slide on the first mounting frame by opening the first cylinder, so that the tape heads on the pressing roller and the non-stick roller are pressed on the foam box, and the tape is pressed by the pressing roller to improve the quality of carton sealing, and after the sharing is completed, the sliding plate slides in the opposite direction on the first mounting frame, and then the tape is cut by the cutting mechanism.

[0012] Preferably, the cutting mechanism includes a second mounting frame, a cutting knife and a second cylinder, the second mounting frame is mounted on the first mounting frame, the cutting knife is slidably mounted on the second mounting frame, the second cylinder is mounted on the second mounting frame, and the movable end of the second cylinder is connected to the cutting knife; first, the tape is placed on the tape roller, and then the tape is clamped by a pressing roller and a non-stick roller, and the sliding plate is driven to slide on the first mounting frame by opening the first cylinder, so that the tape heads on the pressing roller and the non-stick roller are pressed on the foam box, and the tape is pressed by the pressing roller to improve the quality of the box sealing, and after the sharing is completed, the sliding plate slides in the opposite direction on the first mounting frame, and then the cutting knife is driven to move relative to the second mounting frame by opening the second cylinder, and then the tape is cut by the cutting knife.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the transport mechanism facilitates the transport of the sea cucumber foam box, the rotating mechanism drives the sea cucumber foam box to rotate, the driving mechanism drives the fixing mechanism to quickly fix and lift the sea cucumber foam box, thereby improving convenience; the sealing mechanism seals the sea cucumber foam box with tape, and the cutting mechanism cuts the tape, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a third axonometric structural schematic diagram of the utility model;

[0017] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0018] Figure 5 It is a front-view cross-sectional axonometric structural schematic diagram of the utility model;

[0019] Figure 6 It is a schematic diagram of the cross-sectional structure of the utility model when viewed from above;

[0020] Markings in the accompanying drawings: 01, transportation mechanism; 11, bottom plate; 12, conveying frame; 13, conveying roller; 02, rotating mechanism; 21, turntable; 22, rotating shaft; 23, first drive box; 24, turbine; 25, worm rod; 26, first motor; 03, fixing mechanism; 31, second drive box; 32, sliding sleeve; 33, sliding rod; 34, fixing seat; 35, guide rod; 36, fixing plate; 37, first connecting rod; 04, driving mechanism; 41, screw; 42, slider; 43, second connecting rod; 44, second motor; 05, sealing mechanism; 51, first mounting frame; 52, sliding plate; 53, first cylinder; 54, tape roller; 55, pressing roller; 56, non-stick roller; 06, cutting mechanism; 61, second mounting frame; 62, cutting knife; 63, second cylinder. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Example 1

[0023] like Figures 1 to 6 As shown, a sea cucumber box sealing machine includes a transport mechanism 01, a rotating mechanism 02, a fixing mechanism 03, a driving mechanism 04, a box sealing mechanism 05 and a cutting mechanism 06, wherein the rotating mechanism 02 is mounted on the transport mechanism 01, the fixing mechanism 03 is mounted on the rotating mechanism 02, the driving mechanism 04 is mounted on the fixing mechanism 03, the box sealing mechanism 05 is mounted on the transport mechanism 01, and the cutting mechanism 06 is mounted on the box sealing mechanism 05;

[0024] The transport mechanism 01 facilitates the transport of the sea cucumber foam box, the rotating mechanism 02 drives the sea cucumber foam box to rotate, the driving mechanism 04 drives the fixing mechanism 03 to quickly fix and lift the sea cucumber foam box, the sealing mechanism 05 seals the sea cucumber foam box with adhesive tape, and the cutting mechanism 06 cuts the adhesive tape;

[0025] The transport mechanism 01 includes a bottom plate 11, a transport frame 12 and a transport roller 13. The transport frame 12 is mounted on the bottom plate 11. The transport roller 13 is rotatably mounted on the transport frame 12. A chain and a motor are arranged inside the transport frame 12.

[0026] The rotating mechanism 02 includes a rotating disk 21, a rotating shaft 22, a first driving box 23, a turbine 24, a worm rod 25 and a first motor 26. The rotating disk 21 is rotatably mounted on the bottom plate 11 through the rotating shaft 22. The first driving box 23 is mounted at the bottom end of the bottom plate 11. The turbine 24 is mounted on the rotating shaft 22. The worm rod 25 is rotatably mounted on the inner wall of the first driving box 23. The worm rod 25 is meshed with the turbine 24. The first motor 26 is mounted on the outer wall of the first driving box 23. The output end of the first motor 26 is connected to the worm rod 25.

[0027] The fixing mechanism 03 includes a second driving box 31, a sliding sleeve 32, a sliding rod 33, a fixing seat 34, a guide rod 35, a fixing plate 36 and a first connecting rod 37. The second driving box 31 is mounted on the turntable 21, a chamber is arranged in the second driving box 31, the sliding sleeve 32 is mounted on the second driving box 31, the sliding rod 33 is slidably mounted in the sliding sleeve 32, the fixing seat 34 is mounted on the sliding rod 33, a sliding groove is arranged on the fixing seat 34, the guide rod 35 is mounted in the sliding groove of the fixing seat 34, the fixing plate 36 is slidably mounted on the guide rod 35, one end of the first connecting rod 37 is rotatably mounted on the fixing plate 36, and the other end of the first connecting rod 37 is rotatably mounted on the outer wall of the sliding sleeve 32;

[0028] The driving mechanism 04 includes a lead screw 41, two sliders 42, two second connecting rods 43 and a second motor 44. The lead screw 41 is rotatably mounted on the inner wall of the second driving box 31. The two sliders 42 are slidably mounted on the inner bottom end of the second driving box 31. The two sliders 42 are provided with threads in opposite directions. The two sliders 42 are threadedly matched with the lead screw 41. One end of the second connecting rod 43 is rotatably mounted on the bottom end of the sliding rod 33. The other end of the second connecting rod 43 is rotatably mounted on the slider 42. The second motor 44 is mounted on the outer wall of the second driving box 31. The output end of the second motor 44 is connected to the lead screw 41.

[0029] By turning on the motor in the conveying rack 12, the conveying rack 12 is driven to rotate under the transmission of the chain, and then the sea cucumber foam box is transported, and the worm rod 25 is driven to rotate by turning on the first motor 26, and the rotating shaft 22 is driven to rotate through the meshing relationship, and then the turntable 21 is driven to rotate, and then the sea cucumber foam box is driven to rotate, so that the sealing mechanism 05 can seal the sea cucumber foam box. When the sea cucumber foam box is transported to the top of the fixed seat 34, the second motor 44 is turned on to drive the lead screw 41 to rotate, and then the two sliders 42 are driven to move relative to each other through the threaded relationship, and then the sliding rod 33 is driven to slide in the sliding sleeve 32 through the second connecting rod 43, and then the fixed seat 34 is driven to rise to lift the sea cucumber foam box. At the same time, the first connecting rod 37 drives the fixed plate 36 to slide on the guide rod 35, and the foam box is fixed by the fixed plate 36, thereby improving convenience. The sealing mechanism 05 seals the sea cucumber foam box with tape, and the cutting mechanism 06 cuts the tape to improve practicality.

[0030] Example 2

[0031] like Figure 3 As shown, a sea cucumber box sealing machine includes a transport mechanism 01, a rotating mechanism 02, a fixing mechanism 03, a driving mechanism 04, a box sealing mechanism 05 and a cutting mechanism 06, wherein the rotating mechanism 02 is mounted on the transport mechanism 01, the fixing mechanism 03 is mounted on the rotating mechanism 02, the driving mechanism 04 is mounted on the fixing mechanism 03, the box sealing mechanism 05 is mounted on the transport mechanism 01, and the cutting mechanism 06 is mounted on the box sealing mechanism 05;

[0032] The transport mechanism 01 facilitates the transport of the sea cucumber foam box, the rotating mechanism 02 drives the sea cucumber foam box to rotate, the driving mechanism 04 drives the fixing mechanism 03 to quickly fix and lift the sea cucumber foam box, the sealing mechanism 05 seals the sea cucumber foam box with adhesive tape, and the cutting mechanism 06 cuts the adhesive tape;

[0033] The box sealing mechanism 05 includes a first mounting frame 51, a sliding plate 52, a first cylinder 53, a tape roller 54, a pressing roller 55 and a non-stick roller 56. The first mounting frame 51 is mounted on the side wall of the conveying frame 12, the sliding plate 52 is slidably mounted on the first mounting frame 51, the first cylinder 53 is mounted on the first mounting frame 51, the movable end of the first cylinder 53 is connected to the sliding plate 52, the tape roller 54 is mounted on the sliding plate 52, the pressing roller 55 and the non-stick roller 56 are mounted on the sliding plate 52, and the non-stick roller 56 is provided with a non-stick coating;

[0034] The cutting mechanism 06 includes a second mounting frame 61, a cutting knife 62 and a second cylinder 63. The second mounting frame 61 is mounted on the first mounting frame 51. The cutting knife 62 is slidably mounted on the second mounting frame 61. The second cylinder 63 is mounted on the second mounting frame 61. The movable end of the second cylinder 63 is connected to the cutting knife 62.

[0035] The transport mechanism 01 is used to facilitate the transport of the sea cucumber foam box, the rotating mechanism 02 is used to drive the sea cucumber foam box to rotate, and the driving mechanism 04 drives the fixing mechanism 03 to quickly fix and lift the sea cucumber foam box to improve convenience. First, the tape is placed on the tape roller 54, and then the tape is clamped by the pressing roller 55 and the non-stick roller 56. The first cylinder 53 is opened to drive the sliding plate 52 to slide on the first mounting frame 51, so that the tape heads on the pressing roller 55 and the non-stick roller 56 are pressed on the foam box. The pressing roller 55 presses the tape to improve the quality of the box sealing. After the sharing is completed, the sliding plate 52 slides in the opposite direction on the first mounting frame 51, and then the second cylinder 63 is opened to drive the cutting knife 62 to move relative to the second mounting frame 61, and then the cutting knife 62 is cut by the cutting knife 62.

[0036] like Figures 1 to 6As shown, a sea cucumber box sealing machine of the utility model, when working, by opening the motor in the conveying frame 12, the conveying frame 12 is driven to rotate under the transmission of the chain, and then the sea cucumber foam box is transported, by opening the first motor 26, the worm rod 25 is driven to rotate, and the rotating shaft 22 is driven to rotate through the meshing relationship, and then the turntable 21 is driven to rotate, and then the sea cucumber foam box is driven to rotate, so that the sealing mechanism 05 can seal the sea cucumber foam box, when the sea cucumber foam box is transported to the top of the fixed seat 34, the second motor 44 is turned on to drive the lead screw 41 to rotate, and then the two sliders 42 are driven to move relative to each other through the threaded relationship, and then the sliding rod 33 is driven to slide in the sliding sleeve 32 through the second connecting rod 43, thereby driving the fixed seat 34 to rise to seal the sea cucumber foam box. The foam box is lifted up, and at the same time, the fixing plate 36 is driven by the first connecting rod 37 to slide on the guide rod 35, and the foam box is fixed by the fixing plate 36, thereby improving convenience. First, the tape is placed on the tape roller 54, and then the tape is clamped by the pressing roller 55 and the non-stick roller 56. The sliding plate 52 is driven to slide on the first mounting frame 51 by opening the first cylinder 53, so that the tape heads on the pressing roller 55 and the non-stick roller 56 are pressed on the foam box, and the tape is pressed by the pressing roller 55 to improve the quality of the box sealing. After the sharing is completed, the sliding plate 52 slides in the opposite direction on the first mounting frame 51, and then the cutting knife 62 is driven to move relative to the second mounting frame 61 by opening the second cylinder 63, and then the tape is cut by the cutting knife 62.

[0037] The conveying frame 12, the first motor 26, the second motor 44, the first cylinder 53 and the second cylinder 63 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative labor.

[0038] The main functions realized by the utility model are: during the operation of the box sealing machine, it is convenient to quickly fix and seal the sea cucumber foam box for transportation, thereby improving practicality and convenience.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sea cucumber box sealing machine, comprising a transport mechanism (01); characterized in that: It also includes a rotating mechanism (02), a fixing mechanism (03), a driving mechanism (04), a box sealing mechanism (05) and a cutting mechanism (06), wherein the rotating mechanism (02) is mounted on the transport mechanism (01), the fixing mechanism (03) is mounted on the rotating mechanism (02), the driving mechanism (04) is mounted on the fixing mechanism (03), the box sealing mechanism (05) is mounted on the transport mechanism (01), and the cutting mechanism (06) is mounted on the box sealing mechanism (05); The transport mechanism (01) facilitates the transport of the sea cucumber foam box, the rotating mechanism (02) drives the sea cucumber foam box to rotate, the driving mechanism (04) drives the fixing mechanism (03) to quickly fix and lift the sea cucumber foam box, the sealing mechanism (05) seals the sea cucumber foam box with tape, and the cutting mechanism (06) cuts the tape.

2. A sea cucumber box sealing machine as claimed in claim 1, characterized in that: The transport mechanism (01) comprises a bottom plate (11), a transport frame (12) and a transport roller (13); the transport frame (12) is mounted on the bottom plate (11); the transport roller (13) is rotatably mounted on the transport frame (12); a chain and a motor are arranged inside the transport frame (12).

3. A sea cucumber box sealing machine as claimed in claim 2, characterized in that: The rotating mechanism (02) comprises a rotating disk (21), a rotating shaft (22), a first driving box (23), a turbine (24), a worm rod (25) and a first motor (26); the rotating disk (21) is rotatably mounted on the base plate (11) via the rotating shaft (22); the first driving box (23) is mounted at the bottom end of the base plate (11); the turbine (24) is mounted on the rotating shaft (22); the worm rod (25) is rotatably mounted on the inner wall of the first driving box (23); the worm rod (25) is meshed with the turbine (24); the first motor (26) is mounted on the outer wall of the first driving box (23); and the output end of the first motor (26) is connected to the worm rod (25).

4. A sea cucumber box sealing machine as claimed in claim 3, characterized in that: The fixing mechanism (03) comprises a second driving box (31), a sliding sleeve (32), a sliding rod (33), a fixing seat (34), a guide rod (35), a fixing plate (36) and a first connecting rod (37). The second driving box (31) is mounted on the turntable (21). A chamber is arranged in the second driving box (31). The sliding sleeve (32) is mounted on the second driving box (31). The sliding rod (33) is slidably mounted in the sliding sleeve (32). The fixing seat (34) is mounted on the sliding rod (33). A sliding groove is arranged on the fixing seat (34). The guide rod (35) is mounted in the sliding groove of the fixing seat (34). The fixing plate (36) is slidably mounted on the guide rod (35). One end of the first connecting rod (37) is rotatably mounted on the fixing plate (36). The other end of the first connecting rod (37) is rotatably mounted on the outer wall of the sliding sleeve (32).

5. A sea cucumber box sealing machine as claimed in claim 4, characterized in that: The driving mechanism (04) comprises a lead screw (41), two sliders (42), two second connecting rods (43) and a second motor (44); the lead screw (41) is rotatably mounted on the inner wall of the second driving box (31); the two sliders (42) are slidably mounted on the inner bottom end of the second driving box (31); the two sliders (42) are provided with threads in opposite directions; the two sliders (42) are threadedly matched with the lead screw (41); one end of the second connecting rod (43) is rotatably mounted on the bottom end of the sliding rod (33); the other end of the second connecting rod (43) is rotatably mounted on the slider (42); the second motor (44) is mounted on the outer wall of the second driving box (31); and the output end of the second motor (44) is connected to the lead screw (41).

6. A sea cucumber box sealing machine as claimed in claim 2, characterized in that: The box sealing mechanism (05) comprises a first mounting frame (51), a sliding plate (52), a first cylinder (53), a tape roller (54), a pressing roller (55) and a non-stick roller (56); the first mounting frame (51) is mounted on the side wall of the conveying frame (12); the sliding plate (52) is slidably mounted on the first mounting frame (51); the first cylinder (53) is mounted on the first mounting frame (51); the movable end of the first cylinder (53) is connected to the sliding plate (52); the tape roller (54) is mounted on the sliding plate (52); the pressing roller (55) and the non-stick roller (56) are mounted on the sliding plate (52); and the non-stick coating is provided on the non-stick roller (56).

7. A sea cucumber box sealing machine as claimed in claim 6, characterized in that: The cutting mechanism (06) comprises a second mounting frame (61), a cutting knife (62) and a second cylinder (63); the second mounting frame (61) is mounted on the first mounting frame (51); the cutting knife (62) is slidably mounted on the second mounting frame (61); the second cylinder (63) is mounted on the second mounting frame (61); and the movable end of the second cylinder (63) is connected to the cutting knife (62).

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