CN211252012U

CN211252012U - Self-cleaning formula engraver

Info

Publication number: CN211252012U
Application number: CN201921826926.0U
Authority: CN
Inventors: 谢俊辉
Original assignee: Jiangsu Naomi New Material Technology Co ltd
Current assignee: Jiangsu Naomi New Material Technology Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-08-14
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a self-cleaning formula engraver, including workstation, support and sculpture mechanism, support slidable mounting in the workstation, sculpture mechanism slidable connection in the support, sculpture mechanism keeps away from the lateral wall of support is fixed with vertical extension board, the extension board is kept away from sculpture mechanism's lateral wall is equipped with the connecting plate, the connecting plate is kept away from the motor is installed to the lateral wall of extension board, the horizontal coaxial fixedly connected with cleaning roller of output shaft of motor, cleaning roller's lateral wall is equipped with the brush hair. The utility model discloses can clear up the sweeps that produces among the sculpture process, guarantee follow-up glyptic precision, reduce the intensity of labour that operating personnel cleared up the sweeps, improve work efficiency.

Description

Self-cleaning formula engraver

Technical Field

The utility model belongs to the technical field of the technique of engraver and specifically relates to a self-cleaning formula engraver is related to.

Background

The carving is a drilling and milling combined machining in principle. The carving machine is a machine which is used for carrying out automatic carving operation on a processing material by the cooperation of a computer, a carving machine controller and a carving machine main body.

Chinese patent with publication number CN208069226U discloses a self-cleaning formula engraver, which comprises a lathe bed, the workstation that is used for installing the work piece is installed to the lathe bed, lathe bed sliding connection has the engraving device who is used for carving the work piece, lathe bed fixed mounting has inside the main water tank who has stored the cutting fluid, the vertical sliding connection of engraving device has the movable water tank of carrying the cutting fluid to the work piece, the main water pump of carrying the cutting fluid in the main water tank to the movable water tank is installed to the lathe bed, the lathe bed is equipped with the elastic mechanism who supports movable water tank, the lathe bed be equipped with control engraving device and with the shift knob of movable water tank upper end butt, the main water pump is equipped with the. When the cutting fluid is less in the movable water tank, the elastic mechanism enables the movable water tank to extrude the switch button to close the engraving device, so that the engraving device is prevented from engraving the workpiece under the condition that the cutting fluid is insufficient, and the effect of improving the reliability is achieved.

The above prior art solutions have the following drawbacks: when the engraving machine works, the drill bit of the engraving device generates more scraps in the engraving process of the plates, the scraps are retained on the surfaces of the plates, certain influence is caused on the engraving of the plates by the subsequent drill bit, and the accuracy of subsequent engraving is easy to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a from clearance formula engraver can clear up the sweeps that produces in the sculpture process, guarantees follow-up glyptic precision.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a self-cleaning formula engraver, includes workstation, support and sculpture mechanism, support slidable mounting in the workstation, sculpture mechanism sliding connection in the support, sculpture mechanism keeps away from the lateral wall of support is fixed with vertical extension board, the extension board is kept away from sculpture mechanism's lateral wall is equipped with the connecting plate, the connecting plate is kept away from the lateral wall of extension board is installed the motor, the coaxial fixedly connected with cleaning roller of output shaft level of motor, cleaning roller's lateral wall is equipped with the brush hair.

Through adopting above-mentioned technical scheme, starter motor, the output shaft of motor drive the cleaning roller and rotate, and the brush hair that drives the cleaning roller lateral wall clears up the sweeps that the panel surface produced, guarantees follow-up glyptic precision, reduces the intensity of labour that operating personnel cleared up the sweeps, has improved work efficiency.

The utility model discloses further set up to: the connecting plate is slidably mounted on the side wall, far away from the engraving mechanism, of the support plate in the vertical direction, a vertical adjusting rod penetrates through the connecting plate in a threaded mode, a support is arranged at the upper end of the support plate, and the adjusting rod is rotatably inserted into the support.

Through adopting above-mentioned technical scheme, rotate the regulation pole, make the connecting plate slide in vertical direction along the lateral wall of extension board, drive motor, clearance cylinder and brush hair and slide along vertical direction, can adjust the height of clearance round brush and brush hair in a flexible way.

The utility model discloses further set up to: the side of the connecting plate facing the supporting plate is provided with a sliding block, the side wall of the supporting plate facing the connecting plate is provided with a sliding groove in the vertical direction, the sliding block is nested in the sliding groove in a sliding mode, and the cross sections of the sliding block and the sliding groove are both convex.

Through adopting above-mentioned technical scheme, the connecting plate slides in vertical direction along the lateral wall of extension board, and the slider slides along the spout, and the cross section is convex slider slip nested in the spout, makes the slider slide steadily and the difficult condition that takes place to drop in the spout, makes the lift of connecting plate, motor, clearance cylinder and brush hair more stable.

The utility model discloses further set up to: the upper end of the adjusting rod extends upwards out of the support, and the upper end of the adjusting rod is coaxially and fixedly connected with a hand wheel.

By adopting the technical scheme, the operator rotates the hand wheel to rotate the adjusting rod, so that the connecting plate slides in the vertical direction along the side wall of the supporting plate, and the motor, the cleaning roller and the bristles are driven to slide in the vertical direction to flexibly adjust the height. The hand wheel provides a force application part for operators, and is more labor-saving and convenient.

The utility model discloses further set up to: the utility model discloses a quick-witted support board, including extension board, connecting plate, extension board, workstation, connecting plate, support board, connecting plate, the lateral wall of extension board is kept away from to the connecting plate is equipped with collects the box, the lateral wall intercommunication of collecting the box has inhales the bits pipe, it keeps away from to inhale the bits pipe the tip orientation of collecting the box the workstation, the up end intercommunication of collecting the box has negative-pressure air fan, be equipped with horizontally filter screen in the collection box, the filter screen be located negative-pressure air.

Through adopting above-mentioned technical scheme, engraving device's drill bit is producing more sweeps to panel glyptic in-process, and the sweeps is detained on panel surface and workstation, starts negative-pressure air fan, and negative-pressure air fan produces the air current, makes and inhales the tip of bits pipe orientation workstation and absorb the clearance to the sweeps, and the sweeps gets into along with the air current and collects the box, and the sweeps is blockked by the filter screen in collecting the box, stays the below at the filter screen, collects the box and collects the sweeps. With the cooperation of brush hair like this, further clear up the sweeps that produces among the sculpture process, guarantee follow-up glyptic precision, reduce the intensity of labour that operating personnel cleared up the sweeps, improved work efficiency, be difficult for causing environmental pollution.

The utility model discloses further set up to: collect the box with inhale the lateral wall department of bits union coupling and be equipped with adjusting part, adjusting part includes the dwang and the fixed lantern ring, the dwang level rotate connect in the lateral wall of collecting the box, the dwang is kept away from collect the box the tip with the lateral wall fixed connection of the fixed lantern ring, it is the hose to inhale the bits pipe, inhale the bits pipe and wear to locate the fixed lantern ring, threaded connection has lock nut on the dwang, lock nut with the lateral wall of collecting the box is contradicted.

Through adopting above-mentioned technical scheme, operating personnel unscrews lock nut, makes lock nut and the lateral wall separation of collecting the box. Operating personnel makes the dwang rotate, drives the fixed lantern ring and rotates, can adjust the position and the angle of wearing to locate the bits pipe of inhaling of the fixed lantern ring, and the tip of being convenient for adjust in a flexible way according to actual conditions and inhaling the bits pipe carries out multi-angle, omnidirectional absorption clearance to the sweeps better. Inhale the position of bits pipe end and confirm the back, operating personnel rotates lock nut, makes lock nut contradict with the lateral wall of collecting the box, fixes locking to adjusting part to fixed inhaling bits pipe, reliable and stable.

The utility model discloses further set up to: the inside below of collecting the box is installed and is accepted the drawer, it is located to accept the drawer the below of filter screen, accept the drawer horizontal slip connect in the inner wall of collecting the box, it keeps away from to accept the drawer the lateral wall of collecting the box is equipped with the handle.

Through adopting above-mentioned technical scheme, the sweeps gets into along with negative-pressure air fan's air current and collects the box, and the sweeps is blockked by the filter screen in collecting the box, stays in the below of filter screen, accepts the drawer and collects the sweeps. When accepting the sweeps in the drawer more, operating personnel contacts the handle with the hand, removes and accepts the drawer through removing the handle, will accept the drawer and remove and take out, will accept the drawer and pack into in the collection box again after handling the sweeps, and is simple convenient. The handle provides the impetus for operating personnel, makes operating personnel remove the process of accepting the drawer more convenient laborsaving.

The utility model discloses further set up to: the side of the collecting box is inserted with a fixing rod, and the fixing rod sequentially penetrates through the side of the collecting box and the side of the bearing drawer.

Through adopting above-mentioned technical scheme, the sweeps is along with the air current gets into collects the box, and the sweeps is blockked by the filter screen in collecting the box, stays in the below of filter screen, falls to the below and accepts in the drawer, collects the dust. The fixed rod is inserted to connect the collecting box and the receiving drawer, so that the receiving drawer is stably installed in the collecting box and is not easy to loosen, the sealing performance of the collecting box is improved, and the collecting box can stably and reliably remove dust from gas.

To sum up, the beneficial effects of the utility model are that:

1. the technology of extension board, connecting plate, motor, clearance cylinder and brush hair has been adopted, the starter motor, and the output shaft of motor drives the clearance cylinder and rotates, drives the brush hair of clearance cylinder lateral wall and clears up the sweeps that the panel surface produced, guarantees follow-up glyptic precision, reduces the intensity of labour that operating personnel cleared up the sweeps, has improved work efficiency.

2. The technology of adjusting the rod and the support is adopted, the adjusting rod is rotated, the connecting plate slides in the vertical direction along the side wall of the supporting plate, the motor, the cleaning roller and the bristles slide in the vertical direction, and the height of the cleaning roller brush and the bristles can be flexibly adjusted.

3. Adopted and collected the box, inhale the technique of bits pipe and filter screen, engraving device's drill bit is producing more sweeps to panel glyptic in-process, the sweeps is detained on panel surface and workstation, start negative-pressure air fan, negative-pressure air fan produces the air current, the clearance is absorbed to the sweeps to the tip that makes and inhale the bits pipe orientation workstation, the sweeps gets into along with the air current and collects the box, the sweeps is blockked by the filter screen in collecting the box, stay in the below of filter screen, collect the box and collect the sweeps. With the cooperation of brush hair like this, further clear up the sweeps that produces among the sculpture process, guarantee follow-up glyptic precision, reduce the intensity of labour that operating personnel cleared up the sweeps, improved work efficiency, be difficult for causing environmental pollution.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

FIG. 2 is a schematic structural diagram of the cleaning roller brush, the collecting box and the connecting plate according to the embodiment.

Fig. 3 is a schematic structural view of another angle in the present embodiment.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic structural view for embodying the inside of the collecting box in the present embodiment.

Fig. 6 is a schematic structural view of the receiving drawer in this embodiment.

In the figure, 1, a workbench; 11. a first guide rail; 2. a support; 21. a second guide rail; 3. an engraving mechanism; 31. a support plate; 311. a chute; 312. a support; 32. a connecting plate; 321. a slider; 33. a motor; 34. cleaning the roller; 35. brushing; 36. adjusting a rod; 37. a hand wheel; 4. a collection box; 41. a scrap suction pipe; 42. a chip suction port; 43. a filter screen; 44. a negative pressure fan; 45. a receiving drawer; 451. a handle; 452. fixing the rod; 5. an adjustment assembly; 51. rotating the rod; 52. a fixed collar; 53. and locking the nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses a self-cleaning formula engraver, including workstation 1, support 2 and sculpture mechanism 3, the lateral wall of workstation 1 is equipped with first guide rail 11 along the horizontal direction, and support 2 slidable mounting is in first guide rail 11. The side wall of the bracket 2 is provided with a second guide rail 21 along the horizontal direction, the second guide rail 21 is perpendicular to the first guide rail 11, and the engraving mechanism 3 is connected to the second guide rail 21 in a sliding manner. The plate is arranged on the workbench 1, the bracket 2 is moved along the first guide rail 11, and the position of the bracket 2 on the workbench 1 is adjusted; the engraving mechanism 3 is moved along the second guide rail 21, and the position of the engraving mechanism 3 on the support 2 is adjusted, so that the engraving mechanism 3 can be flexibly moved to engrave the plate below.

Referring to fig. 2 and 4, a vertical support plate 31 is fixed to the side wall of the engraving mechanism 3 far away from the support 2, a vertical connecting plate 32 is arranged on the side wall of the support plate 31 far away from the engraving mechanism 3, a sliding block 321 is arranged on the side surface of the connecting plate 32 facing the support plate 31, a sliding groove 311 is formed in the side wall of the support plate 31 facing the connecting plate 32 along the vertical direction, the sliding block 321 is slidably nested in the sliding groove 311, and the cross-sectional shapes of the sliding block 321 and the sliding groove 311. The connecting plate 32 is threaded through with a vertical adjusting rod 36, the upper end of the support plate 31 is provided with a support 312, and the upper end of the adjusting rod 36 is rotatably inserted into the support 312. The upper end of the adjusting rod 36 extends upwards to form a support 312, and the upper end of the adjusting rod 36 is coaxially and fixedly connected with a hand wheel 37. An operator rotates the hand wheel 37 to rotate the adjusting rod 36, so that the connecting plate 32 slides along the side wall of the support plate 31 in the vertical direction, the sliding block 321 slides along the sliding groove 311, the sliding block 321 with the convex cross section is nested in the sliding groove 311 in a sliding manner, the sliding block 321 slides in the sliding groove 311 stably and is not easy to fall off, and the connecting plate 32 is lifted and lowered more stably.

Referring to fig. 2 and 4, a motor 33 is fixedly mounted on the side wall of the connecting plate 32 far away from the support plate 31, an output shaft of the motor 33 is horizontally and coaxially fixedly connected with a cleaning roller 34, and bristles 35 are arranged on the outer side wall of the cleaning roller 34. The motor 33, the cleaning roller 34 and the bristles 35 are driven by the connecting plate 32 to slide along the vertical direction, so that the heights of the cleaning roller brush and the bristles 35 can be flexibly adjusted. Starting motor 33, motor 33's output shaft drives clearance cylinder 34 and rotates, drives the brush hair 35 of clearance cylinder 34 lateral wall and the surface contact of panel, clears up the sweeps that produces to panel surface, guarantees follow-up glyptic precision, reduces the intensity of labour that operating personnel cleared up the sweeps, has improved work efficiency.

Referring to fig. 2 and 4, a collecting box 4 is fixed on the side wall of the connecting plate 32 far from the support plate 31, the side wall of the collecting box 4 is communicated with a scrap suction pipe 41, the scrap suction pipe 41 is a hose, a horn-shaped scrap suction port 42 is arranged at the end part of the scrap suction pipe 41 far from the collecting box 4, the scrap suction port 42 faces the workbench 1, a negative pressure fan 44 is communicated with the upper end face of the collecting box 4, a horizontal filter screen 43 (see fig. 5) is arranged in the collecting box 4, and the filter screen 43 is located between the negative pressure fan 44 and the scrap suction pipe 41. Engraving device's drill bit is producing more sweeps to panel glyptic in-process, the sweeps is detained on panel surface and workstation 1, start negative-pressure air fan 44, negative-pressure air fan 44 produces the air current, make and inhale bits pipe 41 and absorb the clearance towards the tip of workstation 1 to the sweeps, the sweeps gets into along with the air current and collects box 4, the sweeps is blockked by the filter screen 43 in collecting box 4, stay the below of filter screen 43, collect box 4 and collect the sweeps. Cooperate with brush hair 35 like this, further clear up the sweeps that produce jointly in the sculpture process, guarantee follow-up glyptic precision, reduced environmental pollution, reduce operating personnel's intensity of labour.

Referring to fig. 2 and 5, the collection box 4 is equipped with adjusting part 5 with the lateral wall department of inhaling bits pipe 41 and being connected, and adjusting part 5 includes dwang 51 and the fixed lantern ring 52, and dwang 51 level rotation is connected in the lateral wall of collecting box 4, and the tip that collects box 4 and the lateral wall fixed connection of the fixed lantern ring 52 are kept away from to dwang 51, inhales bits pipe 41 and wears to locate the fixed lantern ring 52, and threaded connection has lock nut 53 on the dwang 51, and lock nut 53 is contradicted with the lateral wall of collecting box 4. The operator unscrews the lock nut 53 to separate the lock nut 53 from the outer sidewall of the collection box 4. Operating personnel makes dwang 51 rotate, drives fixed lantern ring 52 and rotates, can adjust the position and the angle of wearing to locate fixed lantern ring 52 inhale bits pipe 41, is convenient for adjust the tip of inhaling bits pipe 41 according to actual conditions is nimble to carry out multi-angle, omnidirectional absorption clearance to the sweeps better. After the position of the end part of the chip suction pipe 41 is determined, an operator rotates the locking nut 53 to enable the locking nut 53 to abut against the outer side wall of the collecting box 4, the adjusting component 5 is fixedly locked, and therefore the chip suction pipe 41 is fixed.

Referring to fig. 5 and 6, a receiving drawer 45 is installed below the inner part of the collecting box 4, the receiving drawer 45 is located below the filter screen 43, the receiving drawer 45 is horizontally connected to the inner wall of the collecting box 4 in a sliding manner, and a handle 451 is arranged on the outer side wall of the receiving drawer 45 far away from the collecting box 4. A fixing rod 452 is inserted into the side of the collecting box 4, and the fixing rod 452 sequentially penetrates through the side of the collecting box 4 and the side of the receiving drawer 45. The sweeps enter the collecting box 4 along with the airflow of the negative pressure fan 44, are blocked by the filter screen 43 in the collecting box 4 and are left below the filter screen 43, and are collected by the accepting drawer 45. When a large amount of scraps are contained in the receiving drawer 45, an operator touches the handle 451 with a hand, moves the receiving drawer 45 by moving the handle 451, moves the receiving drawer 45 to take out, and then loads the receiving drawer 45 into the collecting box 4 after the scraps are processed, so that the operation is simple and convenient. The fixing rod 452 is inserted into the collecting box 4 and the receiving drawer 45, so that the receiving drawer 45 is stably installed in the collecting box 4 and is not easy to loosen, the sealing performance of the collecting box 4 is improved, and the collecting box 4 can conveniently and stably remove dust from gas. The handle 451 provides an acting point for an operator, so that the process of moving the drawer 45 for carrying by the operator is more convenient and labor-saving.

The implementation principle of the above embodiment is as follows: the drill bit of the engraving device generates more scraps in the engraving process of the plate, and the scraps are retained on the surface of the plate and the workbench 1. An operator rotates the hand wheel 37 to rotate the adjusting rod 36, so that the connecting plate 32 slides along the side wall of the support plate 31 in the vertical direction, the motor 33, the cleaning roller 34 and the bristles 35 are driven to slide in the vertical direction, and the heights of the cleaning roller brush and the bristles 35 can be flexibly adjusted. Starting motor 33, motor 33's output shaft drives clearance cylinder 34 and rotates, drives the brush hair 35 of clearance cylinder 34 lateral wall and the surface contact of panel, clears up the sweeps that produces to panel surface, guarantees follow-up glyptic precision, reduces the intensity of labour that operating personnel cleared up the sweeps, has improved work efficiency.

The negative pressure fan 44 is started, the negative pressure fan 44 generates air flow, the scrap suction pipe 41 absorbs and cleans the scraps towards the end part of the workbench 1, the scraps enter the collection box 4 along with the air flow, the scraps are blocked by the filter screen 43 in the collection box 4 and are left below the filter screen 43, and the collection drawer 45 is accepted to collect the scraps. Inhale bits pipe 41 and brush hair 35 cooperation, further absorb the clearance to the sweeps that produces jointly in the sculpture process, guarantee follow-up glyptic precision, reduce operating personnel's intensity of labour, reduced environmental pollution. Operating personnel makes dwang 51 rotate, drives fixed lantern ring 52 and rotates, can adjust the position and the angle of wearing to locate fixed lantern ring 52 inhale bits pipe 41, is convenient for adjust the tip of inhaling bits pipe 41 according to actual conditions is nimble to carry out multi-angle, omnidirectional absorption clearance to the sweeps better. When the receiving drawer 45 contains a large amount of waste chips, the operator touches the handle 451 with a hand, moves the receiving drawer 45 by moving the handle 451, moves the receiving drawer 45 to take out the waste chips, and loads the receiving drawer 45 into the collecting box 4 after the waste chips are processed. The fixing rod 452 is inserted into the collecting box 4 and the receiving drawer 45, so that the receiving drawer 45 is stably installed in the collecting box 4 and is not easy to loosen, and the collecting box 4 can stably and reliably remove dust from gas conveniently.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a self-cleaning formula engraver, includes workstation (1), support (2) and sculpture mechanism (3), support (2) slidable mounting in workstation (1), sculpture mechanism (3) sliding connection in support (2), its characterized in that: the side wall of the support (2) far away from the engraving mechanism (3) is fixed with a vertical support plate (31), the side wall of the support plate (31) far away from the engraving mechanism (3) is provided with a connecting plate (32), the side wall of the support plate (31) far away from the connecting plate (32) is provided with a motor (33), the horizontal coaxial fixedly connected with cleaning roller (34) of an output shaft of the motor (33), and the outer side wall of the cleaning roller (34) is provided with bristles (35).

2. A self-cleaning engraver as claimed in claim 1, wherein: the connecting plate (32) is slidably mounted on the side wall, far away from the engraving mechanism (3), of the support plate (31) along the vertical direction, a vertical adjusting rod (36) penetrates through the connecting plate (32) in a threaded mode, a support (312) is arranged at the upper end of the support plate (31), and the adjusting rod (36) is rotatably inserted into the support (312).

3. A self-cleaning engraver as claimed in claim 2, wherein: the side face, facing the support plate (31), of the connecting plate (32) is provided with a sliding block (321), the side wall, facing the connecting plate (32), of the support plate (31) is provided with a sliding groove (311) along the vertical direction, the sliding block (321) is nested in the sliding groove (311) in a sliding mode, and the cross section shapes of the sliding block (321) and the sliding groove (311) are convex.

4. A self-cleaning engraver as claimed in claim 2, wherein: the upper end of the adjusting rod (36) extends upwards to form the support (312), and the upper end of the adjusting rod (36) is coaxially and fixedly connected with a hand wheel (37).

5. A self-cleaning engraver as claimed in claim 2, wherein: keep away from connecting plate (32) the lateral wall of extension board (31) is equipped with collects box (4), the lateral wall intercommunication of collecting box (4) has inhales bits pipe (41), inhale bits pipe (41) and keep away from the tip orientation of collecting box (4) workstation (1), the up end intercommunication of collecting box (4) has negative-pressure air fan (44), be equipped with horizontally filter screen (43) in collecting box (4), filter screen (43) are located negative-pressure air fan (44) with inhale between bits pipe (41).

6. A self-cleaning engraver as claimed in claim 5, wherein: collect box (4) with lateral wall department of inhaling bits pipe (41) and connecting is equipped with adjusting part (5), adjusting part (5) are including dwang (51) and the fixed lantern ring (52), dwang (51) level rotate connect in the lateral wall of collecting box (4), dwang (51) are kept away from collect the tip of box (4) with the lateral wall fixed connection of the fixed lantern ring (52), it is the hose to inhale bits pipe (41), inhale bits pipe (41) and wear to locate fixed lantern ring (52), threaded connection has lock nut (53) on dwang (51), lock nut (53) with the lateral wall of collecting box (4) is contradicted.

7. A self-cleaning engraver as claimed in claim 5, wherein: collect the inside below of box (4) and install and accept drawer (45), accept drawer (45) and be located the below of filter screen (43), accept drawer (45) horizontal slip connect in the inner wall of collecting box (4), it keeps away from to accept drawer (45) the lateral wall of collecting box (4) is equipped with handle (451).

8. A self-cleaning engraver as claimed in claim 7, wherein: and a fixing rod (452) is inserted into the side surface of the collecting box (4), and the fixing rod (452) sequentially penetrates through the side surface of the collecting box (4) and the side surface of the bearing drawer (45).