Laminating device for cutting and processing hollow glass

Abstract

The utility model relates to the technical field of hollow glass processing, in particular to a hollow glass cutting, processing and laminating device which is convenient for cutting circular hollow glass with different diameters at different positions and angles. Comprising a cutter; the cutting device further comprises a position adjusting mechanism, a rotating mechanism, a fixing mechanism, a driving mechanism, a second position adjusting mechanism and a cutting mechanism, the rotating mechanism is installed on the position adjusting mechanism, the fixing mechanism is installed on the rotating mechanism, the driving mechanism is installed in the fixing mechanism, and the second position adjusting mechanism is installed on the position adjusting mechanism; the cutting mechanism is installed on the second position adjusting mechanism, the position of the hollow glass can be conveniently adjusted through the position adjusting mechanisms, the angle of the hollow glass can be conveniently adjusted through the rotating mechanism, and the driving mechanism drives the fixing mechanism to fix the hollow glass.

Description

Technical Field

[0001] The utility model relates to the technical field of hollow glass processing, in particular to a laminating device for cutting and processing hollow glass. Background Art

[0002] Insulating glass is a new type of building material invented by Americans in 1890. It is popular for its good heat insulation, sound insulation, beautiful appearance and practicality, as well as reducing the weight of buildings. This kind of glass is mainly composed of two pieces of glass. The glass pieces are bonded to the aluminum alloy frame containing desiccant through a high-strength and high-airtightness composite adhesive to make high-efficiency sound insulation and heat insulation glass.

[0003] In the existing hollow glass processing technology, for example, the prior art with application number CN202320511001.7, includes a fixed bracket, a clamping part, a clamping telescopic rod, a rubber block, a positioning part, a transverse telescopic rod, a transverse cutting knife, a transverse blade part, a longitudinal blade part, a transverse cutting knife bracket and a guide part, etc. The sealant at the pre-inserted exhaust pipe position is thinned or part of it is removed, and after vacuuming, the deformed part is sealed as a whole by re-gluing to maintain a better sealing effect.

[0004] However, the prior art is not convenient for cutting and laminating circular insulating glass of different diameters, which reduces its practicality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a insulating glass cutting and laminating device which is convenient for cutting circular insulating glasses of different diameters at different positions and angles.

[0006] The utility model discloses a hollow glass cutting and processing laminating device, comprising a cutting knife; and also comprising a position adjustment mechanism, a rotating mechanism, a fixing mechanism, a driving mechanism, a second position adjustment mechanism and a cutting mechanism, wherein the rotating mechanism is mounted on the position adjustment mechanism, the fixing mechanism is mounted on the rotating mechanism, the driving mechanism is mounted in the fixing mechanism, the second position adjustment mechanism is mounted on the position adjustment mechanism, and the cutting mechanism is mounted on the second position adjustment mechanism, the position of the hollow glass is conveniently adjusted by the position adjustment mechanism, the rotating mechanism is conveniently adjusted for the angle of the hollow glass, the driving mechanism drives the fixing mechanism to fix the hollow glass, the fixing mechanism can limit and guide the laminating process of the circular hollow glass, the second position adjustment mechanism is convenient for adjusting the cutting position, and the cutting mechanism is convenient for cutting hollow glass of different thicknesses; the position of the hollow glass is conveniently adjusted by the position adjustment mechanism, the rotating mechanism is convenient for adjusting the angle of the hollow glass, the driving mechanism drives the fixing mechanism to fix the hollow glass, the fixing mechanism can limit and guide the laminating process of the circular hollow glass, the second position adjustment mechanism is convenient for adjusting the cutting position, and the cutting mechanism is convenient for cutting hollow glass of different thicknesses, thereby improving practicality.

[0007] Preferably, the position adjustment mechanism includes a base plate, a first lead screw, a first slider and a first motor. A slide groove is provided on the base plate. The first lead screw is rotatably installed in the slide groove of the base plate. The first slider is slidably installed in the slide groove. The first lead screw and the first slider are threadedly matched. The first motor is installed on the side wall of the base plate, and the output end of the first motor is connected to the first lead screw. The first motor is turned on to drive the first lead screw to rotate, and then the first slider is driven to slide in the slide groove of the base plate through the threaded relationship, thereby facilitating the adjustment of the position of the insulating glass.

[0008] Preferably, the rotating mechanism includes a rotating box, a rotating shaft, a turbine, a worm gear and a second motor. The rotating box is installed on the first slider, the rotating shaft is rotatably installed in the rotating box, the turbine is installed on the rotating shaft, the worm gear is rotatably installed on the inner wall of the rotating box, the worm gear is meshed with the turbine, and the second motor is installed on the outer wall of the rotating box. The output end of the second motor is connected to the worm gear. By turning on the second motor to drive the worm gear to rotate, and then driving the rotating shaft to rotate through the meshing relationship, it is convenient to adjust the angle of the circular insulating glass.

[0009] Preferably, the fixing mechanism includes a fixed plate, a first guide rod, a sliding fixed block and a spring, the fixed plate is mounted on the top of the rotating shaft, a sliding groove is arranged on the top surface of the fixed plate, the first guide rod is mounted in the sliding groove of the fixed plate, the sliding fixed block is slidably mounted on the first guide rod, one end of the spring is mounted on the sliding fixed block, and the other end of the spring is mounted on the inner wall of the sliding groove of the fixed plate; the sliding fixed block is driven on the first guide rod by driving the driving mechanism, and then the glass is placed on the fixed plate, the driving mechanism is released, and the sliding fixed block slides on the first guide rod by the elasticity of the spring, and then the circular glasses of different diameters are fixed by the sliding fixed block.

[0010] Preferably, the driving mechanism comprises a driving shaft, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a push rod, the driving shaft is rotatably mounted in the fixed plate, one end of the first connecting rod is mounted on the driving shaft, one end of the second connecting rod is rotatably mounted on the other end of the driving shaft, the other end of the second connecting rod is rotatably mounted on the sliding fixed block, one end of the third connecting rod is mounted on the driving shaft, one end of the fourth connecting rod is rotatably mounted on the other end of the third connecting rod, the push rod is slidably mounted on the fixed plate, and the other end of the fourth connecting rod is rotatably connected to the push rod; when the circular hollow glass is to be fixed, the third connecting rod is pulled so that the fourth connecting rod drives the third connecting rod to rotate, thereby driving the driving shaft to rotate, thereby driving the driving shaft to rotate, and the first connecting rod is pushed by the driving shaft so that the sliding fixed block slides on the first guide rod, and then the glass is placed on the fixed plate, the push rod is released, and the sliding fixed block slides on the first guide rod through the elasticity of the spring, and then the circular glasses of different diameters are fixed by the sliding fixed block.

[0011] Preferably, the second position adjustment mechanism includes a mounting frame, a second lead screw, a second guide rod, a sliding mounting block and an adjusting motor. The mounting frame is mounted on the base plate, the second lead screw is rotatably mounted on the mounting frame, the second guide rod is mounted on the mounting frame, the sliding mounting block is slidably mounted on the second guide rod, the adjusting motor is mounted on the mounting frame, the output end of the adjusting motor is connected to the second lead screw, and the sliding mounting block is threadedly matched with the second lead screw; the second lead screw is driven to rotate by turning on the adjusting motor, and then the sliding mounting block is driven to slide on the second guide rod through the threaded relationship, thereby adjusting the cutting position of the cutting mechanism.

[0012] Preferably, the cutting mechanism includes a sliding sleeve, a sliding rod, a threaded rod, a cutting knife and a lifting motor, the sliding sleeve is installed on the sliding mounting block, the sliding rod is slidably installed in the sliding sleeve, the threaded rod is rotatably installed in the sliding sleeve, the threaded rod is threadedly matched with the sliding rod, the cutting knife is installed at the bottom end of the sliding rod, the lifting motor is installed at the top end of the sliding sleeve, and the output end of the lifting motor is connected to the threaded rod; the lifting motor is turned on to drive the threaded rod to rotate, and then the sliding rod is driven to slide in the sliding sleeve through the threaded relationship, thereby adjusting the height of the cutting knife, and cutting the glass by the cutting knife.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the position of the insulating glass can be adjusted conveniently through the position adjustment mechanism, the rotating mechanism can adjust the angle of the insulating glass conveniently, the driving mechanism drives the fixing mechanism to fix the insulating glass, the fixing mechanism can limit and guide the lamination process of the circular insulating glass, the second position adjustment mechanism can adjust the cutting position conveniently, and the cutting mechanism can cut insulating glass of different thicknesses conveniently, 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 schematic diagram of the axonometric structure of the utility model when viewed from above;

[0019] Figure 6 It is a schematic diagram of the axonometric structure of the utility model from top view;

[0020] Figure 7 It is a side cross-sectional structural schematic diagram of the utility model;

[0021] Markings in the accompanying drawings: 01, position adjustment mechanism; 11, base plate; 12, first lead screw; 13, first slider; 14, first motor; 02, rotating mechanism; 21, rotating box; 22, rotating shaft; 23, turbine; 24, vortex rod; 25, second motor; 03, fixing mechanism; 31, fixing plate; 32, first guide rod; 33, sliding fixing block; 34, spring; 04, driving mechanism; 41, driving shaft; 42, first connecting rod; 43, second connecting rod; 44, third connecting rod; 45, fourth connecting rod; 46, push rod; 05, second position adjustment mechanism; 51, mounting frame; 52, second lead screw; 53, second guide rod; 54, sliding mounting block; 55, adjusting motor; 06, cutting mechanism; 61, sliding sleeve; 62, sliding rod; 63, threaded rod; 64, cutting knife; 65, lifting motor. DETAILED DESCRIPTION

[0022] 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. Example 1

[0023] like Figures 1 to 6 As shown, it includes a cutting knife 64, a position adjustment mechanism 01, a rotating mechanism 02, a fixing mechanism 03, a driving mechanism 04, a second position adjustment mechanism 05 and a cutting mechanism 06, wherein the rotating mechanism 02 is mounted on the position adjustment mechanism 01, the fixing mechanism 03 is mounted on the rotating mechanism 02, the driving mechanism 04 is mounted in the fixing mechanism 03, the second position adjustment mechanism 05 is mounted on the position adjustment mechanism 01, and the cutting mechanism 06 is mounted on the second position adjustment mechanism 05;

[0024] The position adjustment mechanism 01 is used to adjust the position of the insulating glass, the rotating mechanism 02 is used to adjust the angle of the insulating glass, the driving mechanism 04 drives the fixing mechanism 03 to fix the insulating glass, the fixing mechanism 03 can limit and guide the lamination process of the circular insulating glass, the second position adjustment mechanism 05 is used to adjust the cutting position, and the cutting mechanism 06 is used to cut insulating glass of different thicknesses;

[0025] The position adjustment mechanism 01 includes a base plate 11, a first lead screw 12, a first slider 13 and a first motor 14. A slide groove is provided on the base plate 11. The first lead screw 12 is rotatably installed in the slide groove of the base plate 11. The first slider 13 is slidably installed in the slide groove. The first lead screw 12 and the first slider 13 are threadedly matched. The first motor 14 is installed on the side wall of the base plate 11. The output end of the first motor 14 is connected to the first lead screw 12.

[0026] The rotating mechanism 02 includes a rotating box 21, a rotating shaft 22, a turbine 23, a worm 24 and a second motor 25. The rotating box 21 is mounted on the first slider 13, the rotating shaft 22 is rotatably mounted in the rotating box 21, the turbine 23 is mounted on the rotating shaft 22, the worm 24 is rotatably mounted on the inner wall of the rotating box 21, the worm 24 is meshed with the turbine 23, the second motor 25 is mounted on the outer wall of the rotating box 21, and the output end of the second motor 25 is connected to the worm 24;

[0027] The fixing mechanism 03 includes a fixing plate 31, a first guide rod 32, a sliding fixing block 33 and a spring 34. The fixing plate 31 is mounted on the top of the rotating shaft 22. A sliding groove is arranged on the top surface of the fixing plate 31. The first guide rod 32 is mounted in the sliding groove of the fixing plate 31. The sliding fixing block 33 is slidably mounted on the first guide rod 32. One end of the spring 34 is mounted on the sliding fixing block 33, and the other end of the spring 34 is mounted on the inner wall of the sliding groove of the fixing plate 31.

[0028] The driving mechanism 04 includes a driving shaft 41, a first connecting rod 42, a second connecting rod 43, a third connecting rod 44, a fourth connecting rod 45 and a push rod 46. The driving shaft 41 is rotatably mounted in the fixed disk 31, one end of the first connecting rod 42 is mounted on the driving shaft 41, one end of the second connecting rod 43 is rotatably mounted on the other end of the driving shaft 41, the other end of the second connecting rod 43 is rotatably mounted on the sliding fixed block 33, one end of the third connecting rod 44 is mounted on the driving shaft 41, one end of the fourth connecting rod 45 is rotatably mounted on the other end of the third connecting rod 44, the push rod 46 is slidably mounted on the fixed disk 31, and the other end of the fourth connecting rod 45 is rotatably connected to the push rod 46;

[0029] By turning on the first motor 14, the first lead screw 12 is driven to rotate, and then the first slider 13 is driven to slide in the slide groove of the bottom plate 11 through the threaded relationship, so as to facilitate the adjustment of the position of the insulating glass. By turning on the second motor 25, the worm rod 24 is driven to rotate, and then the rotating shaft 22 is driven to rotate through the meshing relationship, so as to facilitate the adjustment of the angle of the circular insulating glass. When the circular insulating glass is to be fixed, the third connecting rod 44 is pulled, so that the fourth connecting rod 45 drives the third connecting rod 44 to rotate, and then the driving shaft 41 is driven to rotate, thereby driving the driving shaft 41 to rotate, and the first connecting rod 42 is pushed by the driving shaft 41, so that the sliding fixed block 33 slides on the first guide rod 32, and then the glass is placed on the fixing plate 31, and the push rod 46 is released. The sliding fixed block 33 slides on the first guide rod 32 through the elasticity of the spring 34, and then the circular glass of different diameters is fixed by the sliding fixed block 33. The second position adjustment mechanism 05 is convenient for adjusting the cutting position, and the cutting mechanism 06 is convenient for cutting insulating glass of different thicknesses, thereby improving practicality. Example 2

[0030] like Figure 2 and Figure 7 As shown, it includes a cutting knife 64, a position adjustment mechanism 01, a rotating mechanism 02, a fixing mechanism 03, a driving mechanism 04, a second position adjustment mechanism 05 and a cutting mechanism 06, wherein the rotating mechanism 02 is mounted on the position adjustment mechanism 01, the fixing mechanism 03 is mounted on the rotating mechanism 02, the driving mechanism 04 is mounted in the fixing mechanism 03, the second position adjustment mechanism 05 is mounted on the position adjustment mechanism 01, and the cutting mechanism 06 is mounted on the second position adjustment mechanism 05;

[0031] The position adjustment mechanism 01 is used to adjust the position of the insulating glass, the rotating mechanism 02 is used to adjust the angle of the insulating glass, the driving mechanism 04 drives the fixing mechanism 03 to fix the insulating glass, the fixing mechanism 03 can limit and guide the lamination process of the circular insulating glass, the second position adjustment mechanism 05 is used to adjust the cutting position, and the cutting mechanism 06 is used to cut insulating glass of different thicknesses;

[0032] The second position adjustment mechanism 05 includes a mounting frame 51, a second lead screw 52, ​​a second guide rod 53, a sliding mounting block 54 and an adjustment motor 55. The mounting frame 51 is mounted on the bottom plate 11, the second lead screw 52 is rotatably mounted on the mounting frame 51, the second guide rod 53 is mounted on the mounting frame 51, the sliding mounting block 54 is slidably mounted on the second guide rod 53, the adjustment motor 55 is mounted on the mounting frame 51, the output end of the adjustment motor 55 is connected to the second lead screw 52, ​​and the sliding mounting block 54 is threadedly matched with the second lead screw 52;

[0033] The cutting mechanism 06 includes a sliding sleeve 61, a sliding rod 62, a threaded rod 63, a cutting knife 64 and a lifting motor 65. The sliding sleeve 61 is mounted on the sliding mounting block 54. The sliding rod 62 is slidably mounted in the sliding sleeve 61. The threaded rod 63 is rotatably mounted in the sliding sleeve 61. The threaded rod 63 is threadedly matched with the sliding rod 62. The cutting knife 64 is mounted at the bottom end of the sliding rod 62. The lifting motor 65 is mounted at the top end of the sliding sleeve 61. The output end of the lifting motor 65 is connected to the threaded rod 63.

[0034] The position of the insulating glass can be adjusted conveniently through the position adjustment mechanism 01, the angle of the insulating glass can be adjusted conveniently through the rotation mechanism 02, the driving mechanism 04 drives the fixing mechanism 03 to fix the insulating glass, the fixing mechanism 03 can limit and guide the lamination process of the circular insulating glass, the second lead screw 52 is driven to rotate by turning on the adjustment motor 55, and then the sliding mounting block 54 is driven to slide on the second guide rod 53 through the threaded relationship, thereby adjusting the cutting position of the cutting mechanism 06, the threaded rod 63 is driven to rotate by turning on the lifting motor 65, and then the sliding rod 62 is driven to slide in the sliding sleeve 61 through the threaded relationship, thereby adjusting the height of the cutting knife 64, and the glass is cut by the cutting knife 64.

[0035] like Figures 1 to 7 As shown, a laminating device for cutting and processing hollow glass of the utility model, when working, by turning on the first motor 14 to drive the first lead screw 12 to rotate, and then by the threaded relationship, the first slider 13 is driven to slide in the slide groove of the bottom plate 11, so as to facilitate the adjustment of the position of the hollow glass, by turning on the second motor 25 to drive the worm rod 24 to rotate, and then by the meshing relationship, the rotating shaft 22 is driven to rotate, so as to facilitate the adjustment of the angle of the circular hollow glass, when the circular hollow glass is to be fixed, by pulling the third connecting rod 44, the fourth connecting rod 45 drives the third connecting rod 44 to rotate, and then drives the driving shaft 41 to rotate, thereby driving the driving shaft 41 to rotate, and the first connecting rod 42 is pushed by the driving shaft 41, so that the sliding The movable fixing block 33 slides on the first guide rod 32, and then the glass is placed on the fixing plate 31. The push rod 46 is released, and the sliding fixing block 33 slides on the first guide rod 32 due to the elasticity of the spring 34, and then the circular glass of different diameters is fixed by the sliding fixing block 33. The second lead screw 52 is driven to rotate by turning on the adjusting motor 55, and then the sliding mounting block 54 is driven to slide on the second guide rod 53 through the threaded relationship, and then the cutting position of the cutting mechanism 06 is adjusted. The threaded rod 63 is driven to rotate by turning on the lifting motor 65, and then the sliding rod 62 is driven to slide in the sliding sleeve 61 through the threaded relationship, and then the height of the cutting knife 64 is adjusted, and the glass is cut by the cutting knife 64.

[0036] The first motor 14, the second motor 25, the adjustment motor 55 and the lifting motor 65 of the utility model are purchased on the market. The technicians in the industry only need to install and operate them according to the accompanying instruction manuals without the need for the technicians in this field to make creative efforts.

[0037] The main function achieved by the utility model is that in the process of processing insulating glass, it is convenient to cut circular insulating glass with different diameters at different positions and angles.

[0038] 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 device for cutting and laminating hollow glass, comprising a cutting knife (64); characterized in that: It also comprises a position adjustment mechanism (01), a rotating mechanism (02), a fixing mechanism (03), a driving mechanism (04), a second position adjustment mechanism (05) and a cutting mechanism (06), wherein the rotating mechanism (02) is mounted on the position adjustment mechanism (01), the fixing mechanism (03) is mounted on the rotating mechanism (02), the driving mechanism (04) is mounted in the fixing mechanism (03), the second position adjustment mechanism (05) is mounted on the position adjustment mechanism (01), and the cutting mechanism (06) is mounted on the second position adjustment mechanism (05); The position adjustment mechanism (01) is convenient for adjusting the position of the insulating glass, the rotating mechanism (02) is convenient for adjusting the angle of the insulating glass, the driving mechanism (04) drives the fixing mechanism (03) to fix the insulating glass, the fixing mechanism (03) can limit and guide the lamination process of the circular insulating glass, the second position adjustment mechanism (05) is convenient for adjusting the cutting position, and the cutting mechanism (06) is convenient for cutting insulating glass of different thicknesses.

2. The insulating glass cutting and laminating device according to claim 1, characterized in that: The position adjustment mechanism (01) comprises a base plate (11), a first lead screw (12), a first slider (13) and a first motor (14); a slide groove is provided on the base plate (11); the first lead screw (12) is rotatably mounted in the slide groove of the base plate (11); the first slider (13) is slidably mounted in the slide groove; the first lead screw (12) and the first slider (13) are threadedly matched; the first motor (14) is mounted on a side wall of the base plate (11); and the output end of the first motor (14) is connected to the first lead screw (12).

3. The insulating glass cutting and laminating device according to claim 2, characterized in that: The rotating mechanism (02) comprises a rotating box (21), a rotating shaft (22), a turbine (23), a worm gear (24) and a second motor (25); the rotating box (21) is mounted on the first slider (13); the rotating shaft (22) is rotatably mounted in the rotating box (21); the turbine (23) is mounted on the rotating shaft (22); the worm gear (24) is rotatably mounted on the inner wall of the rotating box (21); the worm gear (24) is meshed with the turbine (23); the second motor (25) is mounted on the outer wall of the rotating box (21); and the output end of the second motor (25) is connected to the worm gear (24).

4. The insulating glass cutting and laminating device according to claim 3, characterized in that: The fixing mechanism (03) comprises a fixing plate (31), a first guide rod (32), a sliding fixing block (33) and a spring (34); the fixing plate (31) is mounted on the top end of the rotating shaft (22); a sliding groove is arranged on the top surface of the fixing plate (31); the first guide rod (32) is mounted in the sliding groove of the fixing plate (31); the sliding fixing block (33) is slidably mounted on the first guide rod (32); one end of the spring (34) is mounted on the sliding fixing block (33); and the other end of the spring (34) is mounted on the inner wall of the sliding groove of the fixing plate (31).

5. The insulating glass cutting and laminating device according to claim 4, characterized in that: The driving mechanism (04) comprises a driving shaft (41), a first connecting rod (42), a second connecting rod (43), a third connecting rod (44), a fourth connecting rod (45) and a push rod (46). The driving shaft (41) is rotatably mounted in the fixed disk (31). One end of the first connecting rod (42) is mounted on the driving shaft (41). One end of the second connecting rod (43) is rotatably mounted on the other end of the driving shaft (41). The other end of the second connecting rod (43) is rotatably mounted on the sliding fixed block (33). One end of the third connecting rod (44) is mounted on the driving shaft (41). One end of the fourth connecting rod (45) is rotatably mounted on the other end of the third connecting rod (44). The push rod (46) is slidably mounted on the fixed disk (31). The other end of the fourth connecting rod (45) is rotatably connected to the push rod (46).

6. The insulating glass cutting and laminating device according to claim 2, characterized in that: The second position adjustment mechanism (05) comprises a mounting frame (51), a second lead screw (52), a second guide rod (53), a sliding mounting block (54) and an adjustment motor (55); the mounting frame (51) is mounted on the base plate (11); the second lead screw (52) is rotatably mounted on the mounting frame (51); the second guide rod (53) is mounted on the mounting frame (51); the sliding mounting block (54) is slidably mounted on the second guide rod (53); the adjustment motor (55) is mounted on the mounting frame (51); the output end of the adjustment motor (55) is connected to the second lead screw (52); and the sliding mounting block (54) is threadedly engaged with the second lead screw (52).

7. The insulating glass cutting and laminating device according to claim 6, characterized in that: The cutting mechanism (06) comprises a sliding sleeve (61), a sliding rod (62), a threaded rod (63), a cutting knife (64) and a lifting motor (65). The sliding sleeve (61) is mounted on the sliding mounting block (54). The sliding rod (62) is slidably mounted in the sliding sleeve (61). The threaded rod (63) is rotatably mounted in the sliding sleeve (61). The threaded rod (63) and the sliding rod (62) are threadedly matched. The cutting knife (64) is mounted at the bottom end of the sliding rod (62). The lifting motor (65) is mounted at the top end of the sliding sleeve (61). The output end of the lifting motor (65) is connected to the threaded rod (63).

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