Heating type clothing dye mixing device
Through the combination of adjustable heating components and a stirring mechanism, the problem of uneven heating of traditional dye mixing devices is solved, uniform heating and efficient mixing of dyes of different concentrations is achieved, and product quality is improved.
Patent Information
- Application Number
- CN202510692514.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-27
- Publication Date
- 2025-07-08
AI Technical Summary
The heating area of traditional dye mixing devices is unadjustable, resulting in uneven heating of high viscosity dyes. The local heat flow density is too high to cause coking or decomposition, and the heating area cannot be expanded or shrinked according to the dye viscosity.
The adjustable heating components are adopted, and the sliding block is driven to lift and lower the outside of the sleeve through the screw member, which drives the arc-shaped heating sheet to slide on the cross rod to adjust the heating area; combined with the stirring mechanism and the scraping structure, the uniform heating and mixing of dyes is achieved.
The heating efficiency and product quality are improved, dyes are prevented from adhesion and coking on the inner wall, and uniform heating treatment of dyes of different concentrations is achieved.
Smart Images
Figure CN120268277A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of dye mixing devices, and in particular to a heating type clothing dye mixing device. Background Art
[0002] Clothing is the general term for clothes, shoes, bags, ornaments, etc., mostly referring to clothes. Dyes are a class of organic compounds that can make other substances obtain bright and firm colors. Since the pigments currently used are all synthetic, they are also called synthetic dyes. Dyes are often used to adjust the colors of people's clothes. Most clothes require multiple color dyes, so we need to use clothing dye mixing devices.
[0003] The heating area of traditional dye mixing devices (such as fixed heating rods, water isolation cover structures or combustion furnace - heat conduction pipe heating systems) is not adjustable, resulting in uneven heating of high-viscosity dyes and too high local heat flux density, which causes coking or decomposition. For example, the heating rod is fixedly installed at the bottom of the mixing tank and can only cover a limited area. The high-viscosity slurry carbonizes due to heat accumulation in the stirring dead angle. Patent CN220609978U improves the heating rate through the combination of a combustion furnace and a heat conduction pipe, but still relies on a fixed heating area and cannot expand or contract the heating area according to the dye viscosity. Therefore, it is necessary to propose a heating type clothing dye mixing device to solve the above problems. Summary of the Invention
[0004] The purpose of the present invention is to provide a heating type clothing dye mixing device, which has the effect of being able to adapt the heating area to the dye viscosity, improving the heating efficiency while avoiding quality defects.
[0005] The above technical purpose of the present invention is achieved through the following technical solutions: A heating type clothing dye mixing device includes a mixing chamber. A bracket and a top cover are arranged at the top of the mixing chamber. Two electric push rods for pushing the top cover to lift are installed on the bracket. A scraping structure, a stirring mechanism and an adjustable heating component are respectively arranged in the inner cavity of the mixing chamber. The adjustable heating component includes a sleeve vertically fixed at the center of the top cover. Two cross rods are fixedly installed on the outer wall of the sleeve, one above the other. Four groups of arc-shaped heating elements are arranged between the upper and lower cross rods. Each group of arc-shaped heating elements includes a plurality of arc-shaped heating sheets arranged at equal intervals. Telescopic frames are installed at the upper and lower ends between every two adjacent arc-shaped heating sheets. A sliding block and a lead screw member for driving the sliding block to lift are also arranged outside the sleeve. Diagonal push rods are hinged between the four sides of the sliding block and the tops of the four most end arc-shaped heating sheets respectively. A retaining ring connecting the ends of the upper and lower cross rods is also arranged in the mixing chamber.
[0006] By adopting the above technical solution, the screw rod drives the sliding block to move up and down outside the sleeve, driving the inclined push rods on the four sides to tilt synchronously, so as to push the arc-shaped heating sheet at the outermost end to slide back and forth on the cross bar, and the distance between every two adjacent arc-shaped heating sheets can be adjusted. When the arc-shaped heating sheets gather, the heating area shrinks, and when they expand, the heating area increases, so that it can better adapt to the heating treatment of dyes with different concentrations and improve its heating efficiency and product quality.
[0007] The further setting of the present invention is: the screw rod includes a fixed frame arranged at the top of the mixing bin, a first motor is installed on the upper end face of the fixed frame, a first screw rod rotatably connected to the sleeve is arranged at the output end of the first motor, and a threaded sleeve connecting the sliding block is installed outside the first screw rod.
[0008] By adopting the above technical solution, the first motor drives the first screw rod to rotate, causing the threaded sleeve to move up and down outside, and realizing the up and down movement of the sliding block outside the sleeve.
[0009] The further setting of the present invention is: connection blocks fixedly connected to the inner wall of the sliding block are installed on the four sides outside the threaded sleeve, and four limiting notch openings for the connection blocks to slide up and down are arranged on the outer peripheral wall of the sleeve.
[0010] By adopting the above technical solution, the connection blocks on the four sides can only slide up and down within the limiting notch openings, which can improve the stability of the threaded sleeve driving the sliding block to move up and down.
[0011] The further setting of the present invention is: the stirring mechanism includes a rotating ring rotatably arranged on the outer wall of the retaining ring, a plurality of stirring blades are arranged on the outer circumference of the rotating ring, a sleeve is rotatably arranged outside the sleeve, a plurality of connecting rods connecting the top ends of the rotating rings are arranged on the outer circumference of the sleeve, and a driving member for controlling the simultaneous operation of the sleeve and the scraping structure is further arranged on the upper end of the top cover.
[0012] By adopting the above technical solution, the driving member drives the sleeve to rotate, drives the rotating ring at the bottom to rotate outside the retaining ring through the connecting rod, and quickly stirs and mixes the dye through the stirring blades, so that the dye is evenly heated and its heating efficiency is improved at the same time.
[0013] The further setting of the present invention is: a plurality of stirring vanes are equidistantly installed on the connecting rod.
[0014] By adopting the above technical solution, the dye can be further stirred through the stirring vanes to improve the heating effect.
[0015] The further setting of the present invention is: the driving member includes a second motor installed on the top of the top cover, a rotating rod is installed at the output end of the second motor, a first bevel gear is installed at the other end of the rotating rod, and a first driven bevel gear engaged with the first bevel gear is installed on the sleeve.
[0016] By adopting the above technical solution, the second motor drives the rotating rod to rotate, drives the first bevel gear to rotate, and pushes the first driven bevel gear to rotate, so that the sleeve rotates, thereby driving the connecting rod and the rotating ring at the bottom to rotate, and stirring the dye.
[0017] The further setting of the present invention is: the scraping structure includes a circular ring that is vertically arranged in the inner cavity of the mixing bin, and a plurality of scraping blades close to the inner wall of the mixing bin are arranged on the outer peripheral wall of the circular ring. Two lead screws that are rotationally connected to the top cover, threadedly connected to the circular ring, and rotationally connected to the bottom wall of the mixing bin are rotationally arranged on the top cover. The upper end of the lead screw is provided with a telescopic part. Two guide rods that are vertically installed in the mixing bin and are slidably connected to the circular ring are arranged in the mixing bin, and the driving member can drive the two lead screws to rotate in the same direction at the same time.
[0018] By adopting the above technical solution, the driving member controls the two lead screws to rotate in the same direction, and under the action of the guide rods, the circular ring moves up and down, so that the scraping blades move up and down on the inner wall of the mixing bin, thereby preventing the inner wall from adhering to the dye.
[0019] The further setting of the present invention is: the telescopic part includes two rotating cylinders that are rotationally connected to the top cover. The upper end of the lead screw extends into the rotating cylinder and is slidably connected thereto. Guide blocks are further arranged on the four sides of the top of the lead screw, and sliding grooves that are slidably adapted to the guide blocks are arranged on the inner wall of the rotating cylinder.
[0020] By adopting the above technical solution, when the top cover moves up and down, the two rotating cylinders on both sides can move up and down, and under the cooperation of the guide blocks and the sliding grooves, the rotation of the lead screw is not affected.
[0021] The further setting of the present invention is: a second bevel gear is further arranged on the rotating rod, and a gear structure that is linked with the second bevel gear and the two rotating cylinders on both sides is arranged on the upper end surface of the top cover.
[0022] By adopting the above technical solution, while the rotating rod rotates, it pushes the second bevel gear to rotate, and through the gear structure, it pushes the two rotating cylinders on both sides to rotate, thereby realizing the lifting displacement of the circular ring.
[0023] The further setting of the present invention is: the gear structure includes two first linkage rods and a second linkage rod that are rotationally arranged on the upper end of the top cover. A second driven bevel gear that meshes with the second bevel gear is arranged at one end of the first linkage rod, and a main gear is arranged at the other end. A driven gear that meshes with the main gear is installed on the second linkage rod. A third bevel gear is installed at one end of the second linkage rod close to the rotating cylinder, and a third driven bevel gear that meshes with the third bevel gear is installed on the sleeve.
[0024] By adopting the above technical solution, the rotation of the second bevel gear drives the second driven bevel gears on both sides to rotate, and the main gear at the end is driven to rotate by the first linkage rod. Through meshing with the driven gear, the second linkage rod is driven to rotate, so that the rotating cylinders on both sides rotate, realizing the lifting of the ring.
[0025] The beneficial effects of the present invention are as follows: In the present invention, the screw rod member drives the sliding block to move up and down outside the sleeve, driving the inclined push rods on the four sides to tilt synchronously, thereby pushing the arc-shaped heating sheet at the outermost end to slide back and forth on the cross bar, and the distance between every two adjacent arc-shaped heating sheets can be adjusted. When the arc-shaped heating sheets gather, the heating area shrinks, and when they expand, the heating area increases, so that it can better adapt to the heating treatment of dyes with different concentrations, improving its heating efficiency and product quality.
[0026] In the present invention, the top electric push rod drives the top cover and the adjustable heating component at the bottom to move up and down, which can further improve the uniformity of dye heating, improving its heating efficiency and product quality.
[0027] In the present invention, the driving member controls the two screw rods to rotate in the same direction, and under the action of the guide rod, the ring moves up and down, and the scraping blade moves up and down on the inner wall of the mixing chamber, thus preventing the inner wall from adhering to the dye and preventing edge coking.
[0028] In the present invention, the driving member drives the sleeve to rotate, and through the connecting rod, the rotating ring at the bottom rotates outside the retaining ring, and the stirring blade quickly stirs and mixes the dye, and at the same time the connecting rod drives the stirring blade to stir the dye, so that the dye is evenly heated while improving its heating efficiency. Description of the Drawings
[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0030] Figure 1 It is the overall structure diagram of a heating type clothing dye mixing device of the present invention.
[0031] Figure 2 It is the present invention Figure 1 The internal structure diagram of the mixing chamber in
[0032] Figure 3 It is the present invention Figure 2 The upper end structure diagram of the top cover in
[0033] Figure 4 It is the present invention Figure 2Connection diagram of the stirring mechanism and the adjustable heating component.
[0034] Figure 5 This is the present invention Figure 4 Internal structure diagram of the transfer cylinder.
[0035] Figure 6 This is the present invention Figure 4 Connection diagram of the transfer ring and the retaining ring.
[0036] Figure 7 This is the present invention Figure 4 Structure diagram of the adjustable heating component.
[0037] Figure 8 This is the present invention Figure 7 Connection diagram of the first lead screw and the threaded sleeve.
[0038] In the figure, 1, mixing bin; 2, support; 3, top cover; 4, scraping structure; 41, ring; 42, scraping blade; 43, lead screw; 44, guide rod; 45, rotating cylinder; 46, guide block; 47, second bevel gear; 48, first linkage rod; 49, second linkage rod; 410, second driven bevel gear; 411, main gear; 412, driven gear; 413, third bevel gear; 414, third driven bevel gear; 5, stirring mechanism; 51, rotating ring; 52, stirring blade; 53, sleeve; 54, connecting rod; 55, stirring vane; 56, second motor; 57, rotating rod; 58, first bevel gear; 59, first driven bevel gear; 6, adjustable heating component; 61, sleeve; 62, cross bar; 63, arc heating plate; 64, telescopic frame; 65, sliding block; 66, inclined push rod; 67, fixing frame; 68, first motor; 69, first lead screw; 610, threaded sleeve; 611, connecting block; 612, retaining ring; 7, electric push rod. Detailed implementation manners
[0039] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with specific embodiments. 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 making creative efforts belong to the scope of protection of the present invention.
[0040] Such as Figure 1 、 Figure 6 、 Figure 7 、 Figure 8As shown in the figure, a heating type clothing dye mixing device includes a mixing bin 1. A support 2 and a top cover 3 are arranged at the top of the mixing bin 1. Two electric push rods 7 for pushing the top cover 3 to lift and lower are installed on the support 2. A scraping structure 4, a stirring mechanism 5 and an adjustable heating component 6 are respectively arranged in the inner cavity of the mixing bin 1. The adjustable heating component 6 includes a sleeve 61 vertically fixed at the center of the top cover 3. Two cross rods 62 are fixedly installed on the outer wall of the sleeve 61, one above the other. Four groups of arc-shaped heating elements are arranged between the upper and lower cross rods 62. Each group of arc-shaped heating elements includes a plurality of arc-shaped heating sheets 63 arranged at equal intervals. The upper and lower ends between every two adjacent arc-shaped heating sheets 63 are respectively installed with telescopic frames 64. A sliding block 65 and a lead screw component for driving the sliding block 65 to lift and lower are also arranged outside the sleeve 61. Diagonal push rods 66 are hinged between the four sides of the sliding block 65 and the tops of the four outermost arc-shaped heating sheets 63 respectively. A retaining ring 612 connecting the ends of the upper and lower cross rods 62 is also arranged in the mixing bin 1. The lead screw component includes a fixed frame 67 arranged at the top of the mixing bin 1. A first motor 68 is installed on the upper end face of the fixed frame 67. A first lead screw 69 rotatably connected to the sleeve 61 is arranged at the output end of the first motor 68. A threaded sleeve 610 connected to the sliding block 65 is installed outside the first lead screw 69. Connecting blocks 611 fixedly connected to the inner wall of the sliding block 65 are installed on the four sides outside the threaded sleeve 610. Four limiting notches for the connecting blocks 611 to slide up and down are arranged on the outer peripheral wall of the sleeve 61.
[0041] The lead screw component drives the sliding block 65 to lift and lower outside the sleeve 61, driving the diagonal push rods 66 on the four sides to tilt synchronously, thereby pushing the outermost arc-shaped heating sheets 63 to slide back and forth on the cross rods 62, so as to adjust the distance between every two adjacent arc-shaped heating sheets 63. When the arc-shaped heating sheets 63 gather, the heating area shrinks, and when they expand, the heating area increases, so as to better adapt to the heating treatment of dyes with different concentrations, improve the heating efficiency and product quality. The first motor 68 drives the first lead screw 69 to rotate, causing the threaded sleeve 610 to lift and lower outside, realizing the lifting and lowering of the sliding block 65 outside the sleeve 61. The connecting blocks 611 on the four sides can only slide up and down within the limiting notches, which can improve the stability of the threaded sleeve 610 driving the sliding block 65 to lift and lower.
[0042] As Figure 6As shown, the stirring mechanism 5 includes a rotating ring 51 rotatably arranged on the outer wall of the retaining ring 612. A plurality of stirring blades 52 are circumferentially arranged on the outer wall of the rotating ring 51. An outer sleeve 53 is rotatably arranged outside the sleeve 61. A plurality of connecting rods 54 connecting the top ends of the rotating ring 51 are circumferentially arranged on the outer circumference of the sleeve 53. A driving member for simultaneously operating the sleeve 53 and the scraping structure 4 is further arranged at the upper end of the top cover 3. A plurality of stirring vanes 55 are equidistantly installed on the connecting rod 54. The driving member includes a second motor 56 installed on the top of the top cover 3. A rotating rod 57 is installed at the output end of the second motor 56. A first bevel gear 58 is installed at the other end of the rotating rod 57. A first driven bevel gear 59 engaged with the first bevel gear 58 is installed on the sleeve 53.
[0043] Driven by the driving member, the sleeve 53 rotates, and drives the rotating ring 51 at the bottom to rotate outside the retaining ring 612 through the connecting rod 54. The dye is quickly stirred and mixed by the stirring blades 52, so that the dye is uniformly heated and its heating efficiency is improved at the same time. The dye can be further stirred by the stirring vanes 55 to improve the heating effect. The second motor 56 drives the rotating rod 57 to rotate, drives the first bevel gear 58 to rotate, and pushes the first driven bevel gear 59 to rotate, so that the sleeve 53 rotates, thereby driving the connecting rod 54 and the rotating ring 51 at the bottom to rotate and stirring the dye.
[0044] As Figure 3 、 Figure 4 As shown, the scraping structure 4 includes a circular ring 41 that can be lifted and lowered in the inner cavity of the mixing chamber 1. A plurality of scraping blades 42 close to the inner wall of the mixing chamber 1 are arranged on the outer peripheral wall of the circular ring 41. Two lead screws 43 that are threadedly connected to the circular ring 41 and rotatably connected to the bottom wall of the mixing chamber 1 are rotatably arranged on the top cover 3. The upper end of the lead screw 43 is set as a telescopic part. Two guide rods 44 slidably connected to the circular ring 41 are vertically installed in the mixing chamber 1. The driving member can simultaneously drive the two lead screws 43 to rotate in the same direction. The telescopic part includes two rotating cylinders 45 rotatably connected to the top cover 3. The upper end of the lead screw 43 extends into the rotating cylinder 45 and is slidably connected thereto. Guide blocks 46 are further arranged on the four sides of the top end of the lead screw 43. A sliding groove slidably adapted to the guide block 46 is arranged on the inner wall of the rotating cylinder 45.
[0045] The driving member controls the two lead screws 43 to rotate in the same direction. Under the action of the guide rods 44, the circular ring 41 moves up and down, so that the scraping blades 42 move up and down on the inner wall of the mixing chamber 1, thereby preventing the inner wall from sticking to the dye. When the top cover 3 moves up and down, the two rotating cylinders 45 on both sides can move up and down. Under the cooperation of the guide block 46 and the sliding groove, the rotation of the lead screw 43 is not affected.
[0046] As Figure 3As shown, a second bevel gear 47 is further provided on the rotating rod 57, and a gear structure linked to the second bevel gear 47 and the two rotating cylinders 45 on both sides is provided on the upper end surface of the top cover 3. The gear structure includes two first linkage rods 48 and a second linkage rod 49 rotatably provided on the upper end of the top cover 3. A second driven bevel gear 410 engaged with the second bevel gear 47 is provided at one end of the first linkage rod 48, and a main gear 411 is provided at the other end. A driven gear 412 engaged with the main gear 411 is installed on the second linkage rod 49. A third bevel gear 413 is installed at one end of the second linkage rod 49 close to the rotating cylinder 45, and a third driven bevel gear 414 engaged with the third bevel gear 413 is installed on the sleeve 45.
[0047] While the rotating rod 57 rotates, it drives the second bevel gear 47 to rotate, and through the gear structure, it drives the two rotating cylinders 45 on both sides to rotate, so as to realize the lifting displacement of the ring 41. The rotation of the second bevel gear 47 drives the two second driven bevel gears 410 on both sides to rotate, and the first linkage rod 48 drives the main gear 411 at the end to rotate. By meshing with the driven gear 412, it drives the second linkage rod 49 to rotate, so that the two rotating cylinders 45 rotate, realizing the lifting of the ring 41.
Claims
1. A heating type clothing dye mixing device, comprising a mixing bin (1), characterized in that: A support (2) and a top cover (3) are provided at the top of the mixing bin (1). Two electric push rods (7) for lifting and lowering the top cover (3) are installed on the support (2). A scraping structure (4), a stirring mechanism (5), and an adjustable heating component (6) are respectively arranged in the inner cavity of the mixing bin (1). The adjustable heating component (6) includes a sleeve (61) vertically fixed at the center of the top cover (3). Two cross rods (62) are fixedly installed on the outer wall of the sleeve (61), one above the other. Four groups of arc-shaped heating elements are arranged between the upper and lower cross rods (62). Each group of arc-shaped heating elements includes a plurality of arc-shaped heating sheets (63) arranged at equal intervals. Telescopic frames (64) are installed at the upper and lower ends between every two adjacent arc-shaped heating sheets (63). A sliding block (65) and a lead screw component for driving the sliding block (65) to lift and lower are further arranged outside the sleeve (61). Diagonal push rods (66) are hinged between the four sides of the sliding block (65) and the tops of the four outermost arc-shaped heating sheets (63). A retaining ring (612) connecting the ends of the upper and lower cross rods (62) is also arranged in the mixing bin (1).
2. The heating type clothing dye mixing device according to claim 1, characterized in that: The lead screw component includes a fixed frame (67) arranged at the top of the mixing bin (1). A first motor (68) is installed on the upper end face of the fixed frame (67). A first lead screw (69) rotatably connected to the sleeve (61) is arranged at the output end of the first motor (68). A threaded sleeve (610) connecting the sliding block (65) is installed outside the first lead screw (69).
3. The heating type clothing dye mixing device according to claim 2, wherein: Connecting blocks (611) fixedly connected to the inner wall of the sliding block (65) are installed on the four sides outside the threaded sleeve (610). Four limiting notch openings for the connecting blocks (611) to slide up and down are arranged on the outer peripheral wall of the sleeve (61).
4. The heating type clothing dye mixing device according to claim 1, characterized in that: The stirring mechanism (5) includes a rotating ring (51) rotatably arranged on the outer wall of the retaining ring (612). A plurality of stirring blades (52) are arranged on the outer circumference of the rotating ring (51). A sleeve (53) is rotatably arranged outside the sleeve (61). A plurality of connecting rods (54) connecting the top ends of the rotating ring (51) are arranged on the outer circumference of the sleeve (53). A driving component for controlling the simultaneous operation of the sleeve (53) and the scraping structure (4) is further arranged on the upper end of the top cover (3).
5. The heating type clothing dye mixing device according to claim 4, wherein: A plurality of stirring vanes (55) are installed at equal intervals on the connecting rod (54).
6. The heating type garment dye mixing device according to claim 5, characterized in that: The driving component includes a second motor (56) installed on the top of the top cover (3). A rotating rod (57) is installed at the output end of the second motor (56). A first bevel gear (58) is installed at the other end of the rotating rod (57). A first driven bevel gear (59) meshing with the first bevel gear (58) is installed on the sleeve (53).
7. A heating type clothing dye mixing device according to claim 6, characterized in that: The scraping structure (4) includes a ring (41) that is vertically movable and arranged inside the mixing bin (1). A plurality of scraping blades (42) close to the inner wall of the mixing bin (1) are arranged on the outer peripheral wall of the ring (41). Two lead screws (43) that are rotationally connected to the top cover (3), threadedly connected to the ring (41), and rotationally connected to the bottom wall of the mixing bin (1) are rotationally arranged on the top cover (3). The upper end of the lead screw (43) is set as a telescopic part. Two guide rods (44) that are vertically installed in the mixing bin (1) and slidably connected to the ring (41) are arranged in the mixing bin (1). The driving member can simultaneously drive the two lead screws (43) to rotate in the same direction.
8. A heating type clothing dye mixing device according to claim 7, characterized in that: The telescopic part includes two rotating cylinders (45) that are rotationally connected to the top cover (3). The upper end of the lead screw (43) extends into the rotating cylinder (45) and is slidably connected thereto. Guide blocks (46) are further arranged on the four sides of the top end of the lead screw (43). A sliding groove that is slidably adapted to the guide block (46) is arranged on the inner wall of the rotating cylinder (45).
9. The heating type clothing dye mixing device according to claim 8, characterized in that: A second bevel gear (47) is further arranged on the rotating rod (57). A gear structure that is linked to the second bevel gear (47) and the two rotating cylinders (45) on both sides is arranged on the upper end surface of the top cover (3).
10. A heating type clothing dye mixing device according to claim 9, characterized in that: The gear structure includes two first linkage rods (48) and a second linkage rod (49) that are rotationally arranged on the upper end of the top cover (3). A second driven bevel gear (410) that meshes with the second bevel gear (47) is arranged at one end of the first linkage rod (48), and a main gear (411) is arranged at the other end. A driven gear (412) that meshes with the main gear (411) is installed on the second linkage rod (49). A third bevel gear (413) is installed at one end of the second linkage rod (49) close to the rotating cylinder (45). A third driven bevel gear (414) that meshes with the third bevel gear (413) is installed on the sleeve (45).