CN211729504U

CN211729504U - High-efficiency five-disc machine for processing wood board

Info

Publication number: CN211729504U
Application number: CN202020088248.9U
Authority: CN
Inventors: 吴新建; 胡新进; 方光华; 张军阳
Original assignee: Beijing Feiyu Trade Co ltd
Current assignee: Beijing Feiyu Trade Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-23
Anticipated expiration: 2030-01-16

Abstract

The utility model belongs to the technical field of five disc machines technique and specifically relates to a plank processing is with five high-efficient disc machines are related to, which comprises a frame, the driving motor of setting in the frame and the cutting knife of setting on driving motor, be provided with the workstation that is used for placing the plank in the frame, workstation and frame sliding fit, be provided with the drive arrangement who is used for driving the workstation motion in the frame, drive arrangement includes supporting component, a drive assembly who is used for driving the coupling assembling motion of workstation motion and is used for driving the coupling assembling motion, supporting component sets up in the frame, drive assembly sets up in supporting component, coupling assembling sets up on drive assembly, and coupling assembling is connected with the workstation. Through being provided with drive arrangement in the frame, drive assembly during operation drives coupling assembling motion, can drive the workstation and slide in the frame to can realize the automatic sliding of workstation, simple operation, artifical intensity of labour are lower.

Description

High-efficiency five-disc machine for processing wood board

Technical Field

The utility model belongs to the technical field of five disc machines technique and specifically relates to a plank processing is with five high-efficient disc machines.

Background

The existing five-disc saw, also called a five-disc machine, is a device for processing a wood tenon, and generally comprises three groups of cutting saw blades, wherein one end part of the wood needing to be processed with the tenon is cut to be flat by a main saw, then a horizontal groove is processed by utilizing an upper saw group and a lower saw group, and the upper wood and the lower wood are cut off by utilizing a material cutting saw, so that a middle tenon is left.

The existing Chinese patent with publication number CN206870050U discloses a five-disc saw, which comprises a base, a slide rail for sliding a working platform is arranged on the base, a handle convenient for pushing is fixed on the side surface of the working platform, the working platform is made to slide along the guide rail by pushing the working platform, a rolling rod moves along with the working platform in the sliding process to drive a roller wheel to roll on a convex edge, the rolling plate is driven to rotate by the acting force of the roller wheel on the convex edge, the working platform is supported by the rolling plate and the rolling rod, and slight obstruction is generated to the sliding of the working platform on the guide rail by the friction force between the convex edge and the roller wheel, so that the sliding speed and the clearing stroke of the working platform when sliding on the guide rail can be well controlled.

The above prior art solutions have the following drawbacks: although this five dish saws can carry out effectual cutting process to timber, in cutting process, need promote work platform through the manual work and carry out cutting process, the operation is not convenient, artifical intensity of labour is big, consequently, needs improve it.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a five high-efficient disc machines are used in plank processing, it is through being provided with drive arrangement in the frame, and drive assembly during operation drives coupling assembling motion, can drive the workstation and slide in the frame to can realize the automatic sliding of workstation, simple operation, artifical intensity of labour are lower.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a plank processing is with five high-efficient disc machines, includes the frame, sets up driving motor in the frame and sets up the cutting knife on driving motor, be provided with the workstation that is used for placing the plank in the frame, workstation and frame sliding fit, be provided with the drive arrangement who is used for driving the workstation motion in the frame, drive arrangement includes supporting component, the coupling assembling that is used for driving the workstation motion and is used for driving the drive assembly of coupling assembling motion, supporting component sets up in the frame, drive assembly sets up in the supporting component, coupling assembling sets up on drive assembly, and coupling assembling is connected with the workstation.

Through adopting above-mentioned technical scheme, install and the fixed stay drive assembly through supporting component, then through coupling assembling, be connected drive assembly and workstation, the during operation is placed the plank on the workstation, starts drive assembly, and the drive workstation slides, can realize the autoslide to the workstation, the simple operation, artifical intensity of labour is lower, starts driving motor simultaneously, drives the cutting knife and rotates, and the workstation drives the plank and slides the in-process, cuts processing through the cutting knife to the plank.

The present invention may be further configured in a preferred embodiment as: the supporting component comprises a supporting plate and a supporting frame, the supporting plate is fixedly arranged on the upper surface of the rack, the supporting frame is fixedly arranged on the supporting plate, and the driving component is arranged in the supporting frame.

Through adopting above-mentioned technical scheme, the backup pad is fixed to be set up in the upper surface of frame, installs the backup pad earlier, and the back is accomplished in the installation, fixes the support frame in the backup pad, can realize simple structure to drive assembly's installation through the support frame.

The present invention may be further configured in a preferred embodiment as: the drive assembly includes motor, live-rollers and conveyer belt, the motor is fixed to be set up in the side of support frame, the output shaft of motor is worn to locate in the support frame, the live-rollers coaxial fixation is on the output shaft of motor, live-rollers and support frame normal running fit, the live-rollers is provided with a plurality ofly along the length direction of support frame, the live-rollers is located to the conveyer belt cover, coupling assembling sets up on the conveyer belt.

Through adopting above-mentioned technical scheme, the motor is fixed to be set up in the side of support frame, and in the support frame was worn to locate by the output shaft of motor, starter motor drove the live-rollers and rotates, drove the conveyer belt and rotate to can drive the coupling assembling motion, realize the removal to the workstation through coupling assembling, the simple operation.

The present invention may be further configured in a preferred embodiment as: coupling assembling includes mounting panel, slider and connecting rod, the mounting panel is fixed to be set up on the conveyer belt, the slider is fixed to be set up in the upper surface of mounting panel, the fixed slide rail that is provided with corresponding with the slider on the support frame, the slider sets up on the slide rail, and slider and slide rail sliding fit, the one end of connecting rod is fixed to be set up in the lower surface of mounting panel, and the other end is fixed to be set up on the workstation.

Through adopting above-mentioned technical scheme, the mounting panel is fixed to be set up on the conveyer belt, and the slider is fixed to be set up in the upper surface of mounting panel, can realize the connection to workstation and mounting panel through the connecting rod, and during the conveyer belt motion, can drive the mounting panel motion, make the slider slide on the slide rail simultaneously, drive the workstation and slide in the frame, realize the self-sliding to the workstation, artifical intensity of labour is lower.

The present invention may be further configured in a preferred embodiment as: the fixed press device that is used for pressing to the plank that is provided with on the mounting panel, press device includes the pneumatic cylinder and presses the clamp plate, the pneumatic cylinder is fixed to be set up on the mounting panel, the flexible end of pneumatic cylinder wears to locate in the mounting panel, and with mounting panel sliding fit, it sets up on the flexible end of pneumatic cylinder to press the clamp plate fixed.

Through adopting above-mentioned technical scheme, fixed being provided with on the mounting panel and being used for the press device that presses to the plank, start hydraulic cylinder, the flexible end decline of pneumatic cylinder drives and presses the vertical decline of pressing the flitch to the butt supports the plank tightly on the plank, can make the plank slide on the workstation with back of the body cutting knife cutting process man-hour, can avoid taking place the motion between plank and the workstation, thereby lead to the cutting process effect of plank relatively poor.

The present invention may be further configured in a preferred embodiment as: and the workbench is fixedly provided with a dust suction device which is in sliding fit with the rack.

Through adopting above-mentioned technical scheme, the fixed dust extraction that is provided with on the workstation, the workstation slides the in-process, drives dust extraction simultaneously and slides, absorbs the processing to the dust in the cutting process, can make the cutting knife carry out fine collection to piece, dust etc. that the cutting process of plank produced in to the cutting process, avoids the dust to produce the pollution to the mill, produces the influence to staff's health.

The present invention may be further configured in a preferred embodiment as: dust extraction includes suction hood, dust absorption fan and is used for carrying out the collection bits case of collecting to the saw-dust that dust absorption fan collected, the suction hood is fixed to be set up on the workstation, and the suction hood sets up towards the cutting knife, the dust absorption fan is fixed to be set up in the lower surface of workstation, and dust absorption fan passes through the pipe connection with the suction hood, collection bits case sets up on the workstation, and collection bits case can dismantle with the workstation and be connected.

Through adopting above-mentioned technical scheme, the suction hood is fixed to be set up on the workstation, and the suction hood sets up towards the cutting knife, and the dust absorption fan is fixed to be set up in the lower surface of workstation, starts the dust absorption fan, absorbs piece and dust that produce in will cutting process through the suction hood to reach the collection bits incasement of dust absorption fan below through the pipeline on the dust absorption fan, realize the collection to the dust, the simple operation.

The present invention may be further configured in a preferred embodiment as: the lower surface of the workbench is fixedly provided with a mounting rod, the mounting rod is provided with a groove, a locking rod penetrates through the groove, the locking rod is provided with a limiting portion and an inserting portion, the limiting portion is abutted to the outer side surface of the mounting rod, the inserting portion is arranged at one end, away from the limiting portion, of the locking rod, an inserting groove corresponding to the inserting portion is formed in the side surface of the chip collecting box, the locking rod is sleeved with a spring, and two ends of the spring are respectively abutted to the position between the mounting rod and the inserting portion.

Through adopting above-mentioned technical scheme, when will collect bits case and dismantle from the installation pole, the spacing portion of pulling will spacing portion stimulate in the direction of keeping away from the installation pole, and spacing portion drives grafting portion and slides from the inserting groove, makes no longer the joint between grafting portion and the inserting groove, then will collect bits case pulling, clears up, can make collection bits case collect certain piece after, can carry out convenient clearance.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the driving device is arranged on the rack, when the driving assembly works, the connecting assembly is driven to move, and the workbench can be driven to slide on the rack, so that the workbench can automatically slide, the operation is convenient and fast, and the manual labor intensity is low;

2. the mounting plate is fixedly arranged on the conveying belt, the sliding block is fixedly arranged on the upper surface of the mounting plate, the connecting between the workbench and the mounting plate can be realized through the connecting rod, the mounting plate can be driven to move when the conveying belt moves, the sliding block can slide on the sliding rail at the same time, the workbench is driven to slide on the rack, the automatic sliding of the workbench is realized, and the manual labor intensity is low;

3. through the fixed installation pole that is provided with on the lower surface of workstation, when will collect bits case and dismantle from the installation pole, the spacing portion of pulling, will spacing portion stimulate in the direction of keeping away from the installation pole, spacing portion drives the grafting portion and slides from the inserting groove, makes no longer the joint between grafting portion and the inserting groove, then will collect bits case pulling, clears up, can make collection bits case collect certain piece after, can carry out convenient clearance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic view showing a connection relationship of the mounting rod and the dust collection box.

Reference numerals: 1. a frame; 2. a drive motor; 3. a cutting knife; 4. a work table; 41. mounting a rod; 411. a groove; 42. a locking lever; 421. a limiting part; 422. a plug-in part; 43. a spring; 5. a drive device; 51. a support assembly; 511. a support plate; 512. a support frame; 513. a slide rail; 52. a connecting assembly; 521. mounting a plate; 522. a slider; 523. a connecting rod; 53. a drive assembly; 531. an electric motor; 532. a rotating roller; 533. a conveyor belt; 6. a pressing device; 61. a hydraulic cylinder; 62. a pressing plate; 7. a dust collection device; 71. a dust hood; 72. a dust collection fan; 73. a scrap collecting box; 731. and (4) inserting grooves.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a plank processing is with high-efficient five disc machines, including frame 1, setting driving motor 2 and the cutting knife 3 of setting on driving motor 2 on frame 1, be provided with the workstation 4 that is used for placing the plank in frame 1, the fixed sliding block that is provided with on workstation 4, the fixed slip track that is provided with in frame 1, workstation 4 and frame 1 sliding fit are provided with the drive arrangement 5 that is used for driving the motion of workstation 4 in frame 1. During operation, place the plank on workstation 4, then start drive arrangement 5 and drive workstation 4 and slide on frame 1, start driving motor 2 simultaneously, drive cutting knife 3 and rotate, workstation 4 drives the plank slip in-process, cuts processing through cutting knife 3 to the plank.

Referring to fig. 1 and 2, the driving device 5 includes a supporting assembly 51, a connecting assembly 52 for driving the worktable 4 to move, and a driving assembly 53 for driving the connecting assembly 52 to move, the supporting assembly 51 is disposed on the frame 1, the driving assembly 53 is disposed in the supporting assembly 51, the connecting assembly 52 is disposed on the driving assembly 53, and the connecting assembly 52 is connected to the worktable 4. Install and fixed stay drive assembly 53 through supporting component 51, then through coupling assembling 52, connect drive assembly 53 and workstation 4, drive assembly 53 during operation drives workstation 4 and slides, can realize the automatic sliding of workstation 4, and simple operation, artifical intensity of labour are lower.

Referring to fig. 1 and 2, the supporting assembly 51 includes a supporting plate 511 and a supporting frame 512, the supporting plate 511 is fixedly disposed on the upper surface of the frame 1, the supporting frame 512 is fixedly disposed on the supporting plate 511, and the driving assembly 53 is disposed in the supporting frame 512. The supporting plate 511 is installed first, and after the installation, the supporting frame 512 is fixed on the supporting plate 511, and the driving assembly 53 is installed through the supporting frame 512.

Referring to fig. 1 and 2, the driving assembly 53 includes a motor 531, a rotating roller 532 and a conveying belt 533, the motor 531 is fixedly disposed on a side surface of the support frame 512, an output shaft of the motor 531 penetrates through the support frame 512, the rotating roller 532 is coaxially fixed on the output shaft of the motor 531, the rotating roller 532 is rotatably matched with the support frame 512, a plurality of rotating rollers 532 are disposed along a length direction of the support frame 512, the conveying belt 533 is sleeved on the rotating roller 532, and the connecting assembly 52 is disposed on the conveying belt 533. The motor 531 and the rotating rollers 532 are mounted in the support frame 512, and then the conveying belt 533 is mounted on the rotating rollers 532. The motor 531 is started to drive the rotating roller 532 to rotate, and the conveying belt 533 is driven to rotate, so that the connecting component 52 can be driven to move.

Referring to fig. 1 and 2, the connecting assembly 52 includes a mounting plate 521, a slider 522 and a connecting rod 523, the mounting plate 521 is fixedly disposed on the conveying belt 533, the slider 522 is fixedly disposed on the upper surface of the mounting plate 521, a sliding rail 513 corresponding to the slider 522 is fixedly disposed on the supporting frame 512, the slider 522 is disposed on the sliding rail 513, the slider 522 is in sliding fit with the sliding rail 513, one end of the connecting rod 523 is fixedly disposed on the lower surface of the mounting plate 521, and the other end is fixedly disposed on the workbench 4. When the conveyer belt 533 moves, the conveyer belt can drive the mounting plate 521 to move, and the sliding block 522 slides on the sliding rail 513, so that the connecting rod 523 drives the workbench 4 to slide on the frame 1, the automatic sliding of the workbench 4 is realized, and when the workbench 4 slides, the wood board passes through the cutting knife 3 and is cut and processed by 3 pairs of wood boards through cutting.

Referring to fig. 1 and 2, in order to enable a wood board to slide on a workbench 4 and to cut the wood board by a back cutting knife 3, the wood board and the workbench 4 can be prevented from moving, so that the wood board is poor in cutting effect, a pressing device 6 for pressing the wood board is fixedly arranged on a mounting plate 521, the pressing device 6 comprises a hydraulic cylinder 61 and a pressing plate 62, the hydraulic cylinder 61 is fixedly arranged on the mounting plate 521, the telescopic end of the hydraulic cylinder 61 is arranged in the mounting plate 521 in a penetrating manner and is in sliding fit with the mounting plate 521, and the pressing plate 62 is fixedly arranged on the telescopic end of the hydraulic cylinder 61. After the wood board is placed on the workbench 4, the hydraulic cylinder 61 is started, the telescopic end of the hydraulic cylinder 61 descends, the pressing plate 62 is driven to vertically descend and abut against the wood board, the wood board is tightly abutted, and then the hydraulic cylinder 61 is closed. The motor 531 is then started to make the worktable 4 slide the wood board on the frame 1, and the cutting process is performed by the cutting knife 3.

Referring to fig. 1 and 3, in order to make the cutting knife 3 carry out fine collection to the piece, the dust etc. that produce in the cutting process of plank, avoid the dust to produce the pollution to the mill, produce the influence to staff's health, the fixed dust extraction 7 that is provided with on workstation 4, and dust extraction 7 and frame 1 sliding fit. And in the sliding process of the workbench 4, the dust suction device 7 is driven to slide at the same time, and dust in the cutting process is absorbed and treated.

Referring to fig. 1 and 3, the dust suction device 7 includes a dust hood 71, a dust suction fan 72, and a dust collecting box 73 for collecting the wood dust collected by the dust suction fan 72, the dust hood 71 is fixedly disposed on the worktable 4, the dust hood 71 is disposed toward the cutting knife 3, the dust suction fan 72 is fixedly disposed on the lower surface of the worktable 4, the dust suction fan 72 is connected with the dust hood 71 through a pipe, and the dust collecting box 73 is disposed on the worktable 4. In the cutting process, the dust suction fan 72 is started, the dust and the chippings generated in the cutting process are sucked by the dust suction cover 71, and the chippings and the dust reach the dust collection box 73 below the dust suction fan 72 through the pipeline on the dust suction fan 72 to be collected.

Referring to fig. 1 and 3, after certain piece is collected in order to make collection bits case 73, can carry out convenient clearance, collection bits case 73 can be dismantled with workstation 4 and be connected, the fixed installation pole 41 that is provided with on the lower surface of workstation 4, recess 411 has been seted up on the installation pole 41, wear to be equipped with check lock lever 42 in the recess 411, be provided with spacing portion 421 and grafting portion 422 on the check lock lever 42, spacing portion 421 butt on the lateral surface of installation pole 41, grafting portion 422 sets up the one end of keeping away from spacing portion 421 on check lock lever 42, the inserting groove 731 corresponding with grafting portion 422 is seted up to the side of collection bits case 73, the cover is equipped with spring 43 on the check lock lever 42, the both ends of spring 43 respectively butt between installation pole 41 and grafting portion 422. When dismantling collection bits case 73 in the installation pole 41, the spacing portion 421 of pulling is with spacing portion 421 to the upwards pulling of the direction of keeping away from installation pole 41, and spacing portion 421 drives grafting portion 422 and slides from inserting groove 731, makes no longer the joint between grafting portion 422 and inserting groove 731, then will collect bits case 73 pulling, clear up. After the cleaning is completed, when the scrap collecting box 73 needs to be installed and used, the limiting portion 421 is pulled in the direction away from the installation rod 41, then the inserting portion 422 and the inserting groove 731 are arranged correspondingly, then the limiting portion 421 is released, the spring 43 releases the elastic restoring force, the inserting portion 422 is driven to slide in the inserting groove 731 and is inserted into the inserting groove 731, the scrap collecting box 73 is clamped, and the scrap collecting box 73 is installed.

The implementation principle of the embodiment is as follows: the wood board is placed on the workbench 4, the hydraulic cylinder 61 is started, the telescopic end of the hydraulic cylinder 61 descends, the pressing plate 62 is driven to vertically descend and abut against the wood board, the wood board is tightly abutted, and then the hydraulic cylinder 61 is closed. Starter motor 531, drive live-rollers 532 and rotate, drive conveyer belt 533 and rotate, can drive the motion of mounting panel 521, make slider 522 slide on slide rail 513 simultaneously to drive workstation 4 through connecting rod 523 and slide on frame 1, make workstation 4 slide on frame 1 to the direction of keeping away from motor 531, start driving motor 2 simultaneously, drive cutting knife 3 and rotate, workstation 4 drives the plank slip in-process, cut processing through cutting knife 3 to the plank. In the cutting process, the dust suction fan 72 is started, the dust and the chippings generated in the cutting process are sucked by the dust suction cover 71, and the chippings and the dust reach the dust collection box 73 below the dust suction fan 72 through the pipeline on the dust suction fan 72 to be collected. After the cutting operation is completed, the motor 531 is rotated in the reverse direction, and the conveyor 533 drives the table 4 to move in the direction approaching the motor 531, thereby preparing for the next cutting operation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a plank processing is with high-efficient five disk players, includes frame (1), sets up driving motor (2) on frame (1) and sets up cutting knife (3) on driving motor (2), its characterized in that, be provided with workstation (4) that are used for placing the plank on frame (1), workstation (4) and frame (1) sliding fit, be provided with drive arrangement (5) that are used for driving workstation (4) motion on frame (1), drive arrangement (5) include supporting component (51), be used for driving connecting components (52) of workstation (4) motion and be used for driving drive assembly (52) motion drive assembly (53), supporting component (51) set up on frame (1), drive assembly (53) set up in supporting component (51), connecting components (52) set up on drive assembly (53), and the connecting component (52) is connected with the workbench (4).

2. The efficient five-disc machine for processing wood boards as claimed in claim 1, wherein the supporting assembly (51) comprises a supporting plate (511) and a supporting frame (512), the supporting plate (511) is fixedly arranged on the upper surface of the rack (1), the supporting frame (512) is fixedly arranged on the supporting plate (511), and the driving assembly (53) is arranged in the supporting frame (512).

3. The efficient five-disc machine for wood board processing according to claim 2, wherein the driving assembly (53) comprises a motor (531), a rotating roller (532) and a conveying belt (533), the motor (531) is fixedly arranged on the side surface of the supporting frame (512), an output shaft of the motor (531) is arranged in the supporting frame (512) in a penetrating manner, the rotating roller (532) is coaxially fixed on the output shaft of the motor (531), the rotating roller (532) is in running fit with the supporting frame (512), the rotating roller (532) is arranged in a plurality along the length direction of the supporting frame (512), the conveying belt (533) is sleeved on the rotating roller (532), and the connecting assembly (52) is arranged on the conveying belt (533).

4. The efficient five-disc machine for processing the wood board is characterized in that the connecting assembly (52) comprises a mounting plate (521), a sliding block (522) and a connecting rod (523), the mounting plate (521) is fixedly arranged on the conveying belt (533), the sliding block (522) is fixedly arranged on the upper surface of the mounting plate (521), a sliding rail (513) corresponding to the sliding block (522) is fixedly arranged on the supporting frame (512), the sliding block (522) is arranged on the sliding rail (513), the sliding block (522) is in sliding fit with the sliding rail (513), one end of the connecting rod (523) is fixedly arranged on the lower surface of the mounting plate (521), and the other end of the connecting rod (523) is fixedly arranged on the workbench (4).

5. The efficient five-disc machine for processing the wood board is characterized in that a pressing device (6) used for pressing the wood board is fixedly arranged on the mounting plate (521), the pressing device (6) comprises a hydraulic cylinder (61) and a pressing plate (62), the hydraulic cylinder (61) is fixedly arranged on the mounting plate (521), the telescopic end of the hydraulic cylinder (61) penetrates through the mounting plate (521) and is in sliding fit with the mounting plate (521), and the pressing plate (62) is fixedly arranged on the telescopic end of the hydraulic cylinder (61).

6. The efficient five-disc machine for wood board processing is characterized in that a dust suction device (7) is fixedly arranged on the workbench (4), and the dust suction device (7) is in sliding fit with the rack (1).

7. The efficient five-disc machine for wood board processing is characterized in that the dust collection device (7) comprises a dust collection cover (71), a dust collection fan (72) and a chip collection box (73) used for collecting the wood chips collected by the dust collection fan (72), the dust collection cover (71) is fixedly arranged on the workbench (4), the dust collection cover (71) is arranged towards the cutting knife (3), the dust collection fan (72) is fixedly arranged on the lower surface of the workbench (4), the dust collection fan (72) is connected with the dust collection cover (71) through a pipeline, the chip collection box (73) is arranged on the workbench (4), and the chip collection box (73) is detachably connected with the workbench (4).

8. The efficient five-disc machine for processing the wood board as claimed in claim 7, wherein a mounting rod (41) is fixedly arranged on the lower surface of the workbench (4), a groove (411) is formed in the mounting rod (41), a locking rod (42) penetrates through the groove (411), a limiting portion (421) and an insertion portion (422) are arranged on the locking rod (42), the limiting portion (421) abuts against the outer side surface of the mounting rod (41), the insertion portion (422) is arranged at one end, far away from the limiting portion (421), of the locking rod (42), an insertion groove (731) corresponding to the insertion portion (422) is formed in the side surface of the chip collection box (73), a spring (43) is sleeved on the locking rod (42), and two ends of the spring (43) abut against the space between the mounting rod (41) and the insertion portion (422) respectively.