A straightening and impurity removal device for wig production and processing

Abstract

The present invention relates to the technical field of wig production equipment, and in particular to a straightening and impurity-removing device for wig production and processing. The technical problem to be solved is to provide a straightening and impurity-removing device for wig production and processing that can replace the combing trajectory so as to straighten and remove impurities from the wig. The present invention provides such a straightening and impurity-removing device for wig production and processing, comprising a support base, a rotating plate, an electric slide rail, a first slide bar, a sliding frame, etc. The upper left portion of the support base is rotatably connected to the rotating plate, the upper front and rear sides of the rotating plate are connected to the electric slide rails, the electric slide rails are slidably connected to the first slide bar, and the sliding frames are slidably connected between the first slide bars. The present invention controls the comb to comb the wig to remove impurities through the electric slide rail, and can straighten the wig through the heating plate, and the combing trajectory of the comb can be automatically changed under the cooperation between the gear and the rack, so that the wig can be straightened and impurities can be removed more conveniently.

Description

Technical Field

[0001] The present invention relates to the technical field of wig production equipment, in particular to a straightening and impurity-removing device used for wig production and processing. Background Art

[0002] During wig production, the wig needs to be straightened and cleaned before it can be sold. Now, the straightening and cleaning of wigs requires the assistance of equipment.

[0003] Patent publication number CN110522107B discloses a wig straightening and de-shedding device, comprising a frame body, wherein a first clamping mechanism is rotatably connected to the upper middle area of the frame body, and a second clamping mechanism is rotatably connected to the middle area of the frame body directly below the first clamping mechanism; the first clamping mechanism and the second clamping mechanism are connected via two sets of transmission mechanisms; a cleaning mechanism is installed on the upper right side of the frame body and is connected to the first clamping mechanism.

[0004] When straightening and removing impurities from a wig, the wig can be clamped by the first clamping mechanism and the second clamping mechanism, and then the first clamping mechanism and the second clamping mechanism are controlled to rotate forward and backward so that the wig also rotates forward and backward. Under the action of the steel-tooth comb mechanism, the wig can be straightened, and impurities are blown out by the cross-shaped fan blades. The above operation combs and straightens the wig by swinging the wig. During the continuous swinging of the wig, the steel-tooth comb mechanism can only repeatedly comb along the same combing trajectory of the wig, and cannot switch the combing trajectory to comb the wig. The wig combed in this way may still be tangled and have impurities accumulated. Now a straightening and impurity-removing device for wig production and processing is developed, which can replace the combing trajectory so as to straighten and remove impurities from the wig. Summary of the Invention

[0005] In order to overcome the disadvantage that the existing wig straightening and de-tangling device can only repeatedly comb the wig along the same combing track, and the combed wig may still be tangled and have impurities accumulated, the technical problem to be solved is to provide a straightening and de-tangling device for wig production and processing that can replace the combing track so as to straighten and de-tangle the wig.

[0006] The technical solution is: a straightening and impurity-removing equipment for wig production and processing, including a support base, a rotating plate, an electric slide rail, a first slide bar, a sliding frame, a comb, a heating plate, a clamping plate, a first spring, a lifting mechanism and a switching mechanism. The upper left part of the support base is rotatably connected to the rotating plate, the front and rear sides of the upper part of the rotating plate are connected to the electric slide rails, the first slide bars are slidably connected to the electric slide rails, the sliding frames are slidably connected between the first slide bars, the left part of the sliding frame is slidably connected to the comb, the right part of the sliding frame is connected to the heating plate, the upper left part of the rotating plate is slidably connected to the clamping plate, the front and rear sides of the top of the clamping plate and the rotating plate are connected to the first spring, the sliding frame is provided with a lifting mechanism, and the rotating plate is provided with a switching mechanism.

[0007] Furthermore, the lifting mechanism includes an extrusion piece, a rotating rod and a second spring. The second spring wound around the first sliding rod is connected between the front and rear sides of the top of the sliding frame and the upper part of the first sliding rod. The front and rear sides of the sliding frame are rotatably connected to the rotating rod. The front and rear sides of the rotating plate are connected to the extrusion piece. The extrusion piece has oblique grooves on both sides. The extrusion piece and the rotating rod are extruded and fitted.

[0008] Furthermore, the shifting mechanism includes a rack, a reciprocating screw, a gear and a threaded sleeve. A rack is welded to the right rear part of the rotating plate. The front lower part of the rear first sliding rod is rotatably connected to the reciprocating screw. The front part of the reciprocating screw is connected to a gear. The gear and the rack are meshed. The rear part of the comb is connected to a threaded sleeve, and the lower part of the threaded sleeve is threadedly connected to the reciprocating screw.

[0009] Furthermore, it also includes a pushing mechanism, which includes a second slide bar, a pushing plate, a third spring and a shaking assembly. The second slide bar is connected to the front and rear sides of the left bottom of the rotating plate, the pushing plate is slidably connected between the second slide bars, the upper part of the pushing plate and the rotating plate are slidably connected, the third spring wound on the second slide bar is connected between the front and rear sides of the bottom of the pushing plate and the lower part of the second slide bar, and a shaking assembly is provided between the pushing plate and the first slide bar at the front.

[0010] Furthermore, the shaking component includes a protrusion and a contact block. The bottom of the first sliding rod is connected to the contact block. The front and rear sides of the push plate are welded with protrusions. The protrusion and the contact block are squeezed together.

[0011] Furthermore, it also includes a tilting mechanism, which includes a third sliding rod, a support frame and a pushing screw. The third sliding rods are connected to the front and rear sides of the upper right part of the support seat. The support frame is slidingly connected between the third sliding rods. The top of the support frame is in contact with the bottom of the rotating plate. The pushing screw is rotatably connected to the middle of the upper right part of the support seat, and the pushing screw and the support frame are threadedly connected.

[0012] Furthermore, it also includes a debris removal mechanism, which includes a sliding sleeve, a scraper frame and a fourth spring. The sliding sleeve is connected to the middle of the upper left part of the comb, the scraper frame is slidably connected to the sliding sleeve, the scraper frame and the comb are slidably connected, and the fourth spring is connected between the upper part of the scraper frame and the top of the sliding sleeve.

[0013] Furthermore, it also includes a blowing mechanism, which includes a guide, a slider and a blower. The front and rear sides of the upper part of the rotating plate are connected to the guide, the sliders are slidably connected to the guide, and the blower is connected between the sliders.

[0014] The present invention has the following advantages: 1. The present invention controls the comb through the electric slide rail to comb the wig to remove impurities, and can straighten the wig through the heating plate. Moreover, under the cooperation between the gear and the rack, the combing track of the comb can be automatically changed, so that the wig can be straightened and impurities can be removed more conveniently.

[0015] 2. The present invention cooperates with the contact block and the protrusion, so that the push plate can intermittently move upward to push the wig apart, thereby facilitating the straightening and removal of impurities from the wig.

[0016] 3. The present invention rotates and pushes the screw rod, thereby moving the support frame downward to loosen the rotating plate, so that the rotating plate automatically rotates clockwise, allowing impurities to fall to the right through the rotating plate, thereby facilitating the cleaning of impurities.

[0017] 4. The present invention can scrape off impurities on the comb through the scraper frame, thereby facilitating the cleaning of the comb.

[0018] 5. The present invention can remove impurities in the wig by moving the hair dryer left and right, which makes it easier to remove the impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0020] Figure 2 It is a schematic diagram of the first partial three-dimensional structure of the present invention.

[0021] Figure 3 This is a schematic diagram of a second partial three-dimensional structure of the present invention.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the lifting mechanism of the present invention.

[0023] Figure 5 It is a partial three-dimensional structural schematic diagram of the lifting mechanism of the present invention.

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the transposition mechanism of the present invention.

[0025] Figure 7 It is a partial three-dimensional structural diagram of the transposition mechanism of the present invention.

[0026] Figure 8 It is a schematic diagram of the three-dimensional structure of the pushing mechanism of the present invention.

[0027] Figure 9 It is a schematic diagram of the three-dimensional structure of the tilting mechanism of the present invention.

[0028] Figure 10 It is a schematic diagram of the three-dimensional structure of the impurity removal mechanism of the present invention.

[0029] Figure 11 It is a schematic diagram of the three-dimensional structure of the blowing mechanism of the present invention.

[0030] Figure numbers: 1-support base, 2-rotating plate, 3-electric slide rail, 4-first slide rod, 5-sliding frame, 6-comb, 7-heating plate, 8-clamping plate, 81-first spring, 9-lifting mechanism, 91-extrusion member, 92-rotating rod, 93-second spring, 10-shifting mechanism, 101-rack, 102-reciprocating screw, 103-gear, 104-threaded sleeve, 11-pushing mechanism, 111-second slide rod, 112-pushing plate, 113-bump, 114-third spring, 115-contact block, 12-tilting mechanism, 121-third slide rod, 122-support frame, 123-pushing screw, 13-de-dusting mechanism, 131-sleeve, 132-scraper frame, 133-fourth spring, 14-blowing mechanism, 141-guide member, 142-slider, 143-blower. DETAILED DESCRIPTION

[0031] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, but this does not limit the present invention.

[0032] Example 1

[0033] A straightening and impurity removal device for wig production and processing, such as Figure 1-Figure 3As shown, it includes a support base 1, a rotating plate 2, an electric slide rail 3, a first slide rod 4, a sliding frame 5, a comb 6, a heating plate 7, a clamping plate 8, a first spring 81, a lifting mechanism 9 and a shifting mechanism 10. The upper left part of the support base 1 is rotatably connected to the rotating plate 2, and the front and rear sides of the upper part of the rotating plate 2 are connected to the electric slide rail 3. The electric slide rail 3 is slidably connected to the first slide rod 4. The sliding frame 5 is slidably connected between the first slide rods 4. The left part of the sliding frame 5 is slidably connected to a wig combing machine. Comb 6, the right part of the sliding frame 5 is connected to a heating plate 7 for heating the wig, the upper left part of the rotating plate 2 is slidably connected to a clamping plate 8 for clamping the left part of the wig, and a first spring 81 is connected between the front and rear sides of the top of the clamping plate 8 and the rotating plate 2. The sliding frame 5 is provided with a lifting mechanism 9, which can automatically lift the comb 6 upward. The rotating plate 2 is provided with a transposition mechanism 10, which can shift the comb 6 front and back after it is lifted.

[0034] like Figure 1 、 Figure 4 and Figure 5 As shown, the lifting mechanism 9 includes an extrusion member 91, a rotating rod 92 and a second spring 93. The second spring 93 wound around the first slide bar 4 is connected between the front and rear sides of the top of the sliding frame 5 and the upper part of the first slide bar 4. The front and rear sides of the sliding frame 5 are rotatably connected to the rotating rod 92. The front and rear sides of the rotating plate 2 are connected to the extrusion member 91. The extrusion member 91 has oblique grooves on both sides. The extrusion member 91 and the rotating rod 92 are squeezed and matched. The sliding frame 5 moves right, driving the rotating rod 92 to move right. Through the extrusion member 91, the rotating rod 92 drives the comb 6 to move down and contact the wig.

[0035] like Figure 1 、 Figure 6 and Figure 7 As shown, the shifting mechanism 10 includes a rack 101, a reciprocating screw 102, a gear 103 and a threaded sleeve 104. The rack 101 is welded to the right rear part of the rotating plate 2, and the front lower part of the rear first slide bar 4 is rotatably connected to the reciprocating screw 102. The front part of the reciprocating screw 102 is connected to the gear 103, and the gear 103 and the rack 101 are engaged. The rear part of the comb 6 is connected to the threaded sleeve 104, and the lower part of the threaded sleeve 104 is threadedly connected to the reciprocating screw 102. The comb 6 drives the threaded sleeve 104 and the gear 103 to move right. Under the action of the rack 101, the threaded sleeve 104 drives the comb 6 to move backward and shift.

[0036] When people are producing wigs, they need to straighten and remove impurities from the wigs. They can use a fixed block to support the lower right part of the rotating plate 2 so that the rotating plate 2 remains in a balanced state. Then, the electric slide rail 3 is used to control the first slide bar 4 to move to the left. The first slide bar 4 moves to the left, driving the sliding frame 5 and the comb 6 to move to the left. The comb 6 moves to the left, driving the rotating rod 92 to move to the left. When the rotating rod 92 moves to the left and separates from the inclined surface of the left part of the extrusion member 91, the second spring 93, which is initially in a stretched state, drives the sliding frame 5 to move upward. The upward movement of the sliding frame 5 drives the comb 6 and the heating plate 7 to move upward, so that the bottom of the heating plate 7 and the bottom of the comb 6 are separated from the top of the rotating plate 2. Then, the clamping plate 8 moves upward, the first spring 81 is compressed, and then The wig is placed flat on the top of the rotating plate 2, so that the left part of the wig is placed between the clamping plate 8, the heating plate 7 and the bottom of the comb 6. Then the clamping plate 8 is released. Under the action of the first spring 81, the clamping plate 8 is driven to move downward and reset to fix the left part of the comb 6. Then the electric slide rail 3 controls the first slide bar 4 to move to the right. The first slide bar 4 drives the sliding frame 5, the comb 6 and the rotating rod 92 to move to the right. When the rotating rod 92 contacts the inclined surface of the left part of the extrusion piece 91 again, it can drive the rotating rod 92 to move downward. The downward movement of the rotating rod 92 drives the sliding frame 5 to move downward. The downward movement of the sliding frame 5 will drive the comb 6 and the heating plate 7 to move downward and fit the wig. The second spring 93 is stretched, turning on the heating plate 7, and then the comb 6 and the heating plate 7 Continue to move to the right. At this time, since the rotating rod 92 is squeezed by the lower part of the extrusion member 91, the comb 6 can maintain contact with the wig and comb the wig to the right. At the same time, the heating plate 7 can iron the wig. When the first slide bar 4 moves to the right, it will also drive the reciprocating screw 102 and the gear 103 to move to the right. When the gear 103 contacts the rack 101, the rotation of the gear 103 will drive the reciprocating screw 102 to rotate, and the reciprocating screw 102 will drive the comb 6 to move backward for a distance, which can automatically switch the movement trajectory of the comb 6. Subsequently, when the rotating rod 92 moves to the right and separates from the extrusion member 91, under the action of the second spring 93, it will drive the sliding frame 5 to move upward, and the sliding frame 5 moves upward to the middle position of the first slide bar 4. The sliding frame 5 moves upward, driving the comb 6 and the heating plate 7 to move upward, thereby separating the gear 103 and the rack 101, and then starts to control the first slide bar 4 to move to the left through the electric slide rail 3, thereby driving the sliding frame 5, the rotating rod 92, the comb 6 and the heating plate 7 to move to the left. When the rotating rod 92 moves to the left and contacts the inclined surface of the right part of the extrusion piece 91, the rotating rod 92 will move upward, causing the comb 6 and the heating plate 7 to lift upward, and the second spring 93 is compressed. When the sliding frame 5, the rotating rod 92, the comb 6 and the heating plate 7 move to the left and reset, the rotating rod 92 and the extrusion piece 91 are separated, and under the action of the second spring 93, the sliding frame 5, the rotating rod 92, the comb 6 and the heating plate 7 move downward, and then the above operation is repeated again.In this way, the comb 6 will comb the wig again. This time, the comb 6 will not comb along the last trajectory, but will comb along a new trajectory. This will make the wig smoother and remove all impurities on the wig. After the wig is straightened and impurities are removed, the electric slide 3 and the heating plate 7 can be turned off and the wig can be taken out.

[0037] Example 2

[0038] On the basis of Example 1, Figure 1 and Figure 8 As shown, it also includes a pushing mechanism 11 for pushing the wig apart, the pushing mechanism 11 includes a second slide bar 111, a pushing plate 112, a third spring 114 and a shaking assembly, the front and rear sides of the left bottom of the rotating plate 2 are connected to the second slide bar 111, and the pushing plate 112 for pushing the wig apart is slidably connected between the second slide bars 111, the upper part of the pushing plate 112 is slidably connected to the rotating plate 2, and the front and rear sides of the bottom of the pushing plate 112 are connected to the lower part of the second slide bar 111. A third spring 114 is wound around the second slide bar 111, and a shaking assembly is provided between the pushing plate 112 and the first slide bar 4 at the front. The pushing plate 112 can be moved up and down by the shaking assembly, and the pushing plate 112 intermittently pushes the wig apart to facilitate combing the wig; the shaking assembly includes a protrusion 113 and a contact block 115, and the bottom of the first slide bar 4 is connected to the contact block 115. The pushing plate 112 is welded with protrusions 113 on both the front and rear sides, and the protrusion 113 and the contact block 115 are squeezed together.

[0039] When the first slide bar 4 moves left and right, it drives the contact block 115 to move left and right. When the contact block 115 contacts the protruding position of the protrusion 113, it drives the protrusion 113 and the pushing plate 112 to move upward, and the third spring 114 is stretched. When the contact block 115 and the protruding position of the protrusion 113 are separated, under the action of the third spring 114, the protrusion 113 and the pushing plate 112 are driven to move downward and reset. Repeating the above operation can make the pushing plate 112 intermittently move upward to push the wig apart, so that the comb 6 can comb the wig conveniently, thereby straightening and removing impurities from the wig.

[0040] like Figure 1 and Figure 9As shown, it also includes a tilting mechanism 12 for tilting the rotating plate 2. The tilting mechanism 12 includes a third slide bar 121, a support frame 122 and a pushing screw 123. The third slide bar 121 is connected to the front and rear sides of the upper right part of the support seat 1. The support frame 122 is slidably connected between the third slide bars 121. The top of the support frame 122 is in contact with the bottom of the rotating plate 2. The pushing screw 123 is rotatably connected to the middle of the upper right part of the support seat 1. The pushing screw 123 and the support frame 122 are threadedly connected. By rotating the pushing screw 123, the support frame 122 can be moved up and down, thereby adjusting the rotation angle of the rotating plate 2.

[0041] After combing the wig, a lot of impurities will remain on the rotating plate 2. In order to remove the impurities, the support frame 122 can be moved downward by rotating the pushing screw 123. After the support frame 122 moves downward, the rotating plate 2 will rotate clockwise due to gravity, so that the rotating plate 2 will rotate and tilt, so that the impurities will slide out along the lower right part of the rotating plate 2, which makes it easier to clean the impurities. After cleaning, the pushing screw 123 is reversed to drive the support frame 122 to move upward and reset, thereby causing the rotating plate 2 to rotate counterclockwise and reset to a balanced state.

[0042] like Figure 1 and Figure 10 As shown, it also includes a debris removal mechanism 13 for removing impurities on the comb 6. The debris removal mechanism 13 includes a sliding sleeve 131, a scraper frame 132 and a fourth spring 133. The sliding sleeve 131 is connected to the middle of the upper left part of the comb 6. The scraper frame 132 is slidably connected to the sliding sleeve 131. The scraper frame 132 and the comb 6 are slidably connected. The fourth spring 133 is connected between the upper part of the scraper frame 132 and the top of the sliding sleeve 131. The scraper frame 132 is moved downward to remove impurities on the comb 6.

[0043] After removing the impurities on the wig, there will be a lot of residual impurities on the comb 6. In order to clean the comb 6, the scraper frame 132 can be moved downward to remove the impurities. The fourth spring 133 is compressed, and then the scraper frame 132 is released. Under the action of the fourth spring 133, the scraper frame 132 is driven to move upward and reset.

[0044] like Figure 1 and Figure 11 As shown, the wig further includes a blowing mechanism 14 for blowing away impurities in the wig. The blowing mechanism 14 includes a guide 141, a slider 142 and a blower 143. The front and rear sides of the upper portion of the rotating plate 2 are connected to the guide members 141. The sliders 142 are slidably connected to the guide members 141. The blower 143 is connected between the sliders 142. By moving the blower 143 left and right, impurities in the wig can be removed.

[0045] In order to facilitate the removal of impurities in the wig, the hair dryer 143 can be turned on and moved left and right. The hair dryer 143 can blow away the impurities in the wig, thereby facilitating the removal of the impurities. After the removal is completed, the hair dryer 143 is turned off.

[0046] While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all modifications and equivalent structures and functions.

Claims

1. A straightening and impurity-removing device for wig production and processing, comprising a support base (1), a rotating plate (2), an electric slide rail (3), a first slide bar (4), a sliding frame (5), a comb (6), a heating plate (7), a clamping plate (8) and a first spring (81), wherein the upper left portion of the support base (1) is rotatably connected to the rotating plate (2), the upper front and rear sides of the rotating plate (2) are both connected to the electric slide rail (3), the electric slide rail (3) is slidably connected to the first slide bar (4), the sliding frame (5) is slidably connected between the first slide bars (4), the left portion of the sliding frame (5) is slidably connected to the comb (6), the right portion of the sliding frame (5) is connected to the heating plate (7), the upper left portion of the rotating plate (2) is slidably connected to the clamping plate (8), the top front and rear sides of the clamping plate (8) and the rotating plate (2) are both connected to the first spring (81), characterized in that It also includes a lifting mechanism (9) and a shifting mechanism (10), wherein the lifting mechanism (9) is provided on the sliding frame (5), and the shifting mechanism (10) is provided on the rotating plate (2); The lifting mechanism (9) includes an extrusion member (91), a rotating rod (92) and a second spring (93). The second spring (93) wound around the first slide bar (4) is connected between the front and rear sides of the top of the sliding frame (5) and the upper part of the first slide bar (4). The front and rear sides of the sliding frame (5) are rotatably connected to the rotating rod (92). The front and rear sides of the rotating plate (2) are connected to the extrusion member (91). The extrusion member (91) has an oblique groove on both the left and right sides. The extrusion member (91) and the rotating rod (92) are extruded and fitted. The shifting mechanism (10) includes a rack (101), a reciprocating screw (102), a gear (103) and a threaded sleeve (104); the rack (101) is welded to the right rear portion of the rotating plate (2); the front lower portion of the first sliding rod (4) at the rear is rotatably connected to the reciprocating screw (102); the front portion of the reciprocating screw (102) is connected to the gear (103); the gear (103) and the rack (101) are meshed; the rear portion of the comb (6) is connected to the threaded sleeve (104); the lower portion of the threaded sleeve (104) is threadedly connected to the reciprocating screw (102); It also includes a pushing mechanism (11), which includes a second sliding rod (111), a pushing plate (112), a third spring (114) and a shaking component.

2. The straightening and impurity-removing equipment for wig production and processing according to claim 1, characterized in that: The front and rear sides of the left bottom of the rotating plate (2) are both connected to the second slide bar (111), the second slide bar (111) is slidably connected to the push plate (112), the upper part of the push plate (112) is slidably connected to the rotating plate (2), the front and rear sides of the bottom of the push plate (112) and the lower part of the second slide bar (111) are both connected to the third spring (114) wound around the second slide bar (111), and a shaking component is provided between the push plate (112) and the first slide bar (4) at the front.

3. The straightening and impurity-removing equipment for wig production and processing according to claim 2, characterized in that: The shaking assembly includes a protrusion (113) and a contact block (115), the bottom of the first slide bar (4) is connected to the contact block (115), the front and rear sides of the push plate (112) are welded with the protrusion (113), and the protrusion (113) and the contact block (115) are squeeze-fitted.

4. The straightening and impurity-removing equipment for wig production and processing according to claim 3, characterized in that: The invention also includes a tilting mechanism (12), which includes a third slide bar (121), a support frame (122) and a pushing screw (123). The third slide bar (121) is connected to both the front and rear sides of the upper right portion of the support base (1). The support frame (122) is slidably connected between the third slide bars (121). The top of the support frame (122) contacts the bottom of the rotating plate (2). The pushing screw (123) is rotatably connected to the middle of the upper right portion of the support base (1). The pushing screw (123) and the support frame (122) are threadedly connected.

5. The straightening and impurity-removing equipment for wig production and processing according to claim 4, characterized in that: The utility model also includes a de-dusting mechanism (13), which includes a sliding sleeve (131), a scraper frame (132) and a fourth spring (133). The middle of the upper left portion of the comb (6) is connected to the sliding sleeve (131), the scraper frame (132) is slidably connected to the sliding sleeve (131), the scraper frame (132) and the comb (6) are slidably connected, and the fourth spring (133) is connected between the upper portion of the scraper frame (132) and the top of the sliding sleeve (131).

6. The straightening and impurity-removing equipment for wig production and processing according to claim 5, characterized in that: The rotary plate (2) further comprises a blowing mechanism (14), which comprises a guide member (141), a slider (142) and a blower (143). The guide members (141) are connected to both the front and rear sides of the upper portion of the rotary plate (2). The sliders (142) are slidably connected to the guide members (141). The blower (143) is connected between the sliders (142).

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