阅读说明：本技术 一种数控车床或镗床用刀具自动切换装置 (Automatic cutter switching device for numerical control lathe or boring machine ) 是由 张文广 何伟光 李志博 于 2021-09-27 设计创作，主要内容包括：本发明提供一种数控车床或镗床用刀具自动切换装置,涉及车床加工装置领域。该数控车床或镗床用刀具自动切换装置,包括底板、刀头、送料组件、碎屑收集组件、刀具盘组件和刀具切换组件,所述送料组件与底板的顶端相连,所述碎屑收集组件和送料组件相连。通过设置刀具切换组件在实现自动切换刀头的基础上并保证了刀头在切换移动过程中的牢固性,有效地解决了刀头在更换过程中易掉落的问题,通过设置碎屑收集组件实现了工件在加工过程中同步清理金属碎屑的目的,保证了工件加工中产生的金属废屑可以及时有效的被清理收集,然后回收利用,既节省了人工成本还避免了金属资源的浪费,同时还可以保证镗床不会受金属废屑影响运行。(The invention provides an automatic cutter switching device for a numerical control lathe or a boring machine, and relates to the field of lathe machining devices. The automatic cutter switching device for the numerical control lathe or the boring machine comprises a bottom plate, a cutter head, a feeding assembly, a fragment collecting assembly, a cutter disc assembly and a cutter switching assembly, wherein the feeding assembly is connected with the top end of the bottom plate, and the fragment collecting assembly is connected with the feeding assembly. Through setting up cutter switching component on the basis of realizing the automatic switch tool bit and having guaranteed the fastness of tool bit in the switching removal in-process, the problem that the tool bit easily drops in the change process has been solved effectively, through setting up piece collection subassembly realized the work piece in the course of working in step clearance metal piece's purpose, metal sweeps that have guaranteed to produce in the work piece processing can in time effectually be cleared up and collect, then recycle, both saved the cost of labor and still avoided the waste of metal resource, can also guarantee simultaneously that the boring machine can not influenced the operation by metal sweeps.)

1. The utility model provides a numerical control lathe or for boring machine cutter automatic switching control equipment, includes bottom plate (1), tool bit (5), pay-off subassembly (6), piece collection subassembly (7), cutter head subassembly (8) and cutter switching module (9), pay-off subassembly (6) link to each other with the top of bottom plate (1), piece collection subassembly (7) and pay-off subassembly (6) link to each other, cutter head subassembly (8) link to each other with the top of bottom plate (1), cutter switching module (9) link to each other with the top of bottom plate (1), tool bit (5) link to each other with cutter switching module (9), its characterized in that:

the scrap collecting assembly (7) comprises a cleaning brush (701), a rack plate (702), a scrap storage groove (703) and a collecting box (706), an auger (704) is rotatably connected to the inner part of the scrap storage groove (703), one end of the auger (704) is rotatably connected to the inner wall of the scrap storage groove (703), the other end of the auger (704) penetrates through the auger (704) to be communicated with the inner part of the collecting box (706), and a cylindrical gear (705) is fixedly connected to the outer part of the auger (704);

cutter switching module (9) include second guide rail (908), second cylinder (902), second motor (903) and dwang (904), the left and right sides inside of dwang (904) all is provided with a set of second spacing groove (905), the equal fixedly connected with second electric telescopic handle (906) in inside bottom of second spacing groove (905), both ends all are connected with press head (907) through the rotation of cylindrical groove about the inside of second spacing groove (905), the one end of press head (907) is connected with the corresponding second electric telescopic handle (906) rotation in position, the other end of press head (907) contacts with the outside of tool bit (5).

2. The automatic cutter switching device for a numerically controlled lathe or a boring machine according to claim 1, characterized in that: the right side of bottom plate (1) is provided with first motor (2), the output fixedly connected with connecting pipe (3) of first motor (2), the left end fixedly connected with cutter arbor (4) of connecting pipe (3), the left end and the tool bit (5) of cutter arbor (4) are connected.

3. The automatic cutter switching device for a numerically controlled lathe or a boring machine according to claim 1, characterized in that: the feeding assembly (6) comprises two first guide rails (601), the top end of each first guide rail (601) is connected with a feeding plate (602) in a sliding mode, a first limiting groove (603) is formed in the top end of each feeding plate (602), a bidirectional screw (604) is connected to the inside of each first limiting groove (603) in a rotating mode, one end of each bidirectional screw (604) is connected to the inner wall of each first limiting groove (603) in a rotating mode, the other end of each bidirectional screw (604) penetrates through an outer fixedly connected with quincuncial knob (606) of each feeding plate (602), and two clamping plates (605) are connected to the outer portion of each bidirectional screw (604) in a threaded mode.

4. The automatic cutter switching device for a numerically controlled lathe or a boring machine according to claim 3, characterized in that: the lower ends of the two clamping plates (605) are connected in the first limiting groove (603) in a sliding mode.

5. The automatic cutter switching device for a numerically controlled lathe or a boring machine according to claim 1, characterized in that: the cutter head disc assembly (8) comprises a fixing plate (801), a first air cylinder (802) is fixedly connected to the outer side of the top end of the fixing plate (801), a cutter head disc (803) is fixedly connected to the output end of the first air cylinder (802), a plurality of cutter head grooves (804) are formed in the outer portion of the cutter head disc (803), a plurality of mechanical grooves (805) are formed in the periphery of the inner wall of each cutter head groove (804), a first electric telescopic rod (806) is fixedly connected to the inner bottom wall of each mechanical groove (805), clamping blocks (807) are fixedly connected to the output end of each first electric telescopic rod (806), and the clamping blocks (807) can be in contact with the outer portion of a cutter head (5).

6. The automatic cutter switching device for a numerically controlled lathe or a boring machine according to claim 3, characterized in that: the cleaning brush (701) is fixedly connected with the right side of the feeding plate (602), the rack plate (702) is fixedly connected with the front end of the lower portion of the feeding plate (602), the chip storage groove (703) is formed in the right side of the top end of the bottom plate (1), the collecting box (706) is fixedly connected with the rear end of the bottom plate (1), and the rack plate (702) is meshed with the cylindrical gear (705).

7. The automatic cutter switching device for a numerically controlled lathe or a boring machine according to claim 1, characterized in that: the lower end of the second guide rail (908) is fixedly connected with the top end of the bottom plate (1), the top end of the second guide rail (908) is connected with a vertical plate (901) in a sliding mode, the second air cylinder (902) is fixedly connected to the right side of the top end of the vertical plate (901), the second motor (903) is connected with the piston rod end of the second air cylinder (902), and the rotating rod (904) is connected with the output end of the second motor (903).

8. The automatic cutter switching device for a numerically controlled lathe or a boring machine according to claim 1, characterized in that: the top rear end fixedly connected with support column (10) of bottom plate (1), the top of support column (10) is provided with controls platform (11).

Technical Field

The invention relates to the technical field of lathe machining devices, in particular to an automatic cutter switching device for a numerical control lathe or a boring machine.

Background

The boring machine is a machine tool for boring the existing prefabricated hole of a workpiece by using a boring cutter, usually, the rotation of the boring cutter is a main motion, the movement of the boring cutter or the workpiece is a feed motion, and the boring machine is mainly used for machining a high-precision hole or finishing a plurality of holes by positioning at one time, and can also be used for machining other machining surfaces related to hole finishing. The machining precision and the surface quality of drilling, milling and cutting can be higher than those of a drilling machine by using different tools and accessories. The boring machine is the main equipment for processing large box parts, such as screw threads, processing outer circles and end faces.

The boring machine tool can be constantly switched according to needs in the using process, but the traditional automatic tool switching device can cause unstable tool bit fixation in the using process, so that the tool drops, and then the boring machine needs to manually clean up the scraps generated in the workpiece machining process, so that the labor cost is greatly wasted, and the normal operation of the boring machine can be influenced by the metal scraps scattered on the boring machine.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an automatic cutter switching device for a numerical control lathe or a boring machine, which solves the problem that a cutter falls off due to unstable cutter head fixation in the use process of the traditional automatic cutter switching device.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a numerical control lathe or for boring machine cutter automatic switching control equipment, includes bottom plate, tool bit, pay-off subassembly, piece collection subassembly, cutter head subassembly and cutter switching component, the top of pay-off subassembly and bottom plate links to each other, piece collection subassembly links to each other with the pay-off subassembly, the cutter head subassembly links to each other with the top of bottom plate, the tool bit links to each other with cutter switching component, piece collection subassembly includes clearance brush, rack plate, chip storage groove and collects the box, the inside rotation of chip storage groove is connected with the auger, the one end of auger is rotated and is connected on the inner wall of chip storage groove, the other end of auger runs through the auger and communicates with each other with the inside of collecting the box, the outside fixedly connected with cylindrical gear of auger, cutter switching component includes second guide rail, second cylinder, second motor and dwang, the utility model discloses a novel electric tool, including dwang, the inside first electric telescopic handle that all is provided with a set of second spacing groove in the left and right sides of dwang, the equal fixedly connected with second electric telescopic handle in inside bottom of second spacing groove, both ends all are connected with the press head through the rotation of cylindrical groove about the inside of second spacing groove, the one end of press head rotates with the corresponding second electric telescopic handle in position to be connected, the other end of press head contacts with the outside of tool bit.

Preferably, the right side of bottom plate is provided with first motor, the output fixedly connected with connecting pipe of first motor, the left end fixedly connected with cutter arbor of connecting pipe, the left end and the tool bit of cutter arbor are connected.

Preferably, the pay-off subassembly includes two first guide rails, the top sliding connection of first guide rail has the delivery sheet, the top of delivery sheet is provided with first spacing groove, the inside of first spacing groove is rotated and is connected with two-way screw rod, the one end of two-way screw rod is rotated and is connected on the inner wall of first spacing groove, the other end of two-way screw rod runs through the outside fixedly connected with plum blossom knob of delivery sheet, the outside threaded connection of two-way screw rod has two splint.

Preferably, the lower ends of the two clamping plates are connected in the first limiting groove in a sliding mode.

Preferably, the cutter head assembly comprises a fixing plate, a first cylinder is fixedly connected to the outer side of the top end of the fixing plate, a cutter head disc is fixedly connected to the output end of the first cylinder, a plurality of cutter head grooves are formed in the outer portion of the cutter head disc, a plurality of mechanical grooves are formed in the periphery of the inner wall of each cutter head groove, a first electric telescopic rod is fixedly connected to the inner bottom wall of each mechanical groove, a clamping block is fixedly connected to the output end of the first electric telescopic rod, and the clamping block can be in contact with the outer portion of a cutter head.

Preferably, the cleaning brush is fixedly connected with the right side of the feeding plate, the rack plate is fixedly connected with the front end of the lower portion of the feeding plate, the chip storage groove is formed in the right side of the top end of the bottom plate, the collecting box is fixedly connected with the rear end of the bottom plate, and the rack plate is meshed with the cylindrical gear.

Preferably, the lower end of the second guide rail is fixedly connected with the top end of the bottom plate, the top end of the second guide rail is slidably connected with a vertical plate, the second cylinder is fixedly connected to the right side of the top end of the vertical plate, the second motor is connected with the piston rod end of the second cylinder, and the rotating rod is connected with the output end of the second motor.

Preferably, the top rear end of the bottom plate is fixedly connected with a supporting column, and the top end of the supporting column is provided with an operating platform.

The working principle is as follows: the workpiece to be processed is placed on the feeding plate, then the clamping plates are rotated to drive the two-way screw rod to rotate in the first limiting groove, the two-way screw rod drives the two clamping plates which are connected by external threads to do relative motion in the transverse horizontal direction in the rotating process, the two clamping plates can fix the workpiece to be processed in the moving process, the workpiece to be processed is prevented from being displaced in the processing process, the processing quality is influenced, then the workpiece processing position is changed by the sliding of the feeding plate on the first guide rail, the first motor is started to operate to drive the connecting pipe and the cutter bar to rotate, the cutter bar can be rotated to drive the cutter head to rotate, the cutter head can process the workpiece in the rotating process, when the cutter head needs to be replaced, the vertical plate can be moved at the top end of the second guide rail, the second cylinder is started to operate in the moving process to drive the rotating rod and the cutter head on the cutter bar to be positioned on the same horizontal plane, then a second motor is started to rotate to drive the rotating rod to rotate, the rotating rod enables a groove at one end of the rotating rod to be horizontal to the tool bit in the rotating process, then the vertical plate moves on the top end of the second guide rail again to enable the tool bit to be embedded into the groove of the rotating rod, then a second electric telescopic rod is started to drive the pressing head to fix the tool bit in the groove, then a second air cylinder is started again to operate to drive the tool bit to be separated from the tool bar, then the rotating rod is rotated to enable grooves at two sides of the rotating rod to be horizontally transposed, then the vertical plate slides to the position of the tool disc at the top end of the second guide rail to enable the groove at one side of the rotating rod and the tool bit groove to be at the same horizontal plane, then the steps are repeated to place the tool bit into the tool bit groove, then the first electric telescopic rod operates to drive the clamping block to clamp and fix the tool bit in the tool bit groove, then the first air cylinder rotates to drive the tool disc to rotate the tool bits of other types to the groove of the rotating rod, then repeat above-mentioned step and imbed new tool bit to the dwang recess and fix, then repeat above-mentioned step and be connected new tool bit and cutter arbor, thereby realize the purpose of cutter switching, the sweeps that produces in the course of working can be in the removal in-process of delivery sheet is swept to the chip groove through the clearance brush, then the delivery sheet can drive rack plate synchronous motion at the removal in-process, rack plate can drive cylindrical gear at the removal in-process and store the chip groove internal rotation, thereby cylindrical gear can drive the auger at the chip groove internal rotation of storing at the rotation in-process, thereby the rotation of auger can be carried the sweeps in the chip groove to collect recycle in collecting the box.

(III) advantageous effects

The invention provides an automatic cutter switching device for a numerical control lathe or a boring machine. The method has the following beneficial effects:

1. according to the invention, the cutter switching component is arranged on the basis of realizing automatic cutter head switching, the firmness of the cutter head in the switching movement process is ensured, and the problem that the cutter head is easy to fall off in the replacement process is effectively solved.

2. The invention realizes the purpose of synchronously cleaning metal scraps in the processing process of the workpiece by arranging the scrap collecting assembly, ensures that metal scraps generated in the processing of the workpiece can be effectively cleaned and collected in time and then recycled, saves labor cost, avoids the waste of metal resources, and simultaneously can ensure that the boring machine can not be influenced by the metal scraps to operate.

3. The feeding assembly is arranged, so that the workpiece to be processed can be effectively fixed while normal feeding and feeding are guaranteed, and the phenomenon that the workpiece is displaced in the processing process to influence the processing quality is avoided.

4. According to the invention, the cutter head is ensured to be switched randomly by arranging the cutter disc assembly, and meanwhile, the stability of the cutter head on the cutter disc is also ensured, and the phenomenon that the cutter head falls off to hurt people is avoided.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of a portion of the feed assembly of the present invention;

FIG. 4 is a schematic view of a portion of the debris collection assembly of the present invention;

FIG. 5 is a schematic view of a portion of the tool change assembly of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

fig. 7 is a schematic view of the cutter disk structure of the present invention.

Wherein, 1, a bottom plate; 2. a first motor; 3. a connecting pipe; 4. a cutter bar; 5. a cutter head; 6. a feeding assembly; 601. a first guide rail; 602. a feeding plate; 603. a first limit groove; 604. a bidirectional screw; 605. a splint; 606. a quincuncial knob; 7. a debris collection assembly; 701. cleaning a brush; 702. a rack plate; 703. a chip storage groove; 704. a packing auger; 705. a cylindrical gear; 706. a collection box; 8. a cutter head assembly; 801. a fixing plate; 802. a first cylinder; 803. a cutter disc; 804. a cutter head groove; 805. a mechanical groove; 806. a first electric telescopic rod; 807. a clamping block; 9. a cutter switching assembly; 901. a vertical plate; 902. a second cylinder; 903. a second motor; 904. rotating the rod; 905. a second limit groove; 906. a second electric telescopic rod; 907. a pressing head; 908. a second guide rail; 10. a support pillar; 11. a console.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1 to 7, an embodiment of the present invention provides an automatic cutter switching device for a numerically controlled lathe or a boring machine, including a base plate 1, a cutter head 5, a feeding assembly 6, a scrap collecting assembly 7, a cutter head assembly 8 and a cutter switching assembly 9, wherein the feeding assembly 6 is connected to a top end of the base plate 1, the scrap collecting assembly 7 is connected to the feeding assembly 6, the cutter head assembly 8 is connected to a top end of the base plate 1, the cutter switching assembly 9 is connected to a top end of the base plate 1, the cutter head 5 is connected to the cutter switching assembly 9, the scrap collecting assembly 7 includes a cleaning brush 701, a rack plate 702, a scrap storage tank 703 and a collecting box 706, an auger 704 is rotatably connected to an inside of the scrap storage tank 703, one end of the auger 704 is rotatably connected to an inner wall of the scrap storage tank 703, the other end of the auger 704 penetrates through the auger 704 to communicate with an inside of the collecting box 706, a cylindrical gear 705 is fixedly connected to an outside of the auger 704, the cutter switching component 9 comprises a second guide rail 908, a second cylinder 902, a second motor 903 and a rotating rod 904, wherein a group of second limiting grooves 905 are respectively arranged inside the left side and the right side of the rotating rod 904, the bottom ends inside the second limiting grooves 905 are respectively fixedly connected with a second electric telescopic rod 906, the upper end and the lower end inside the second limiting grooves 905 are respectively rotatably connected with a pressing head 907 through cylindrical grooves, one end of the pressing head 907 is rotatably connected with the second electric telescopic rod 906 with a corresponding position, the other end of the pressing head 907 is contacted with the outside of the cutter head 5, the rotating rod 904 can accommodate the cutter head 5 in the cutter head groove 804 into the side end groove in the rotating process, then the second electric telescopic rod 906 is started to drive the pressing head 907 to fix the cutter head 5 in the groove, then the second cylinder 902 operates to drive the rotating rod 904 to move forwards, the rotating rod 904 can move the cutter head 5 out of the cutter head groove 804 in the moving process, then second motor 903 rotates 180 degrees, riser 901 moves to the front end of cutter arbor 4 on second guide rail 908 and makes cutter head 5 and cutter arbor 4 be in horizontal same level, then second cylinder 902 operates and places cutter head 5 in cutter arbor 4 and accomplish the connection of cutter arbor 4 and cutter head 5, thereby realize the purpose of cutter automatic switch, can guarantee through the fixed of pressing head 907 to cutter head 5 in the switching process that cutter head 5 can not drop from the recess of dwang 904 in the rotatory switching process, avoid appearing the incident.

The right side of bottom plate 1 is provided with first motor 2, the output fixedly connected with connecting pipe 3 of first motor 2, the left end fixedly connected with cutter arbor 4 of connecting pipe 3, the left end and the tool bit 5 of cutter arbor 4 are connected, it is rotatory to start 2 functions of first motor and drive connecting pipe 3 and cutter arbor 4, thereby cutter arbor 4's rotation can drive tool bit 5 and rotate, thereby tool bit 5 can accomplish the processing to the work piece rotating the in-process.

The feeding assembly 6 comprises two first guide rails 601, the top end of the first guide rail 601 is slidably connected with a feeding plate 602, the top end of the feeding plate 602 is provided with a first limiting groove 603, the inside of the first limiting groove 603 is rotatably connected with a two-way screw 604, one end of the two-way screw 604 is rotatably connected on the inner wall of the first limiting groove 603, the other end of the two-way screw 604 penetrates through the outside of the feeding plate 602 and is fixedly connected with a plum blossom knob 606, the outside of the two-way screw 604 is in threaded connection with two clamping plates 605, the feeding plate 602 is pushed to move at the top end of the first guide rail 601, so as to realize the movement of the position of a workpiece to be processed, then the two-way screw 604 is driven by the rotating clamping plates 605 to rotate in the first limiting groove 603, the two-way screw 604 drives the two clamping plates 605 in external threaded connection to do relative movement in the transverse horizontal direction in the rotating process, so that the two clamping plates 605 can effectively fix the workpiece to be processed in the moving process, the displacement of the workpiece during machining is avoided, and the machining quality is prevented from being influenced.

The lower ends of the two clamping plates 605 are slidably connected in the first limiting groove 603.

The cutter head assembly 8 comprises a fixing plate 801, a first air cylinder 802 is fixedly connected to the outer side of the top end of the fixing plate 801, a cutter head 803 is fixedly connected to the output end of the first air cylinder 802, a plurality of cutter head grooves 804 are formed in the outer portion of the cutter head 803, a plurality of mechanical grooves 805 are formed in the periphery of the inner wall of each cutter head groove 804, first electric telescopic rods 806 are fixedly connected to the inner bottom walls of the mechanical grooves 805, clamping blocks 807 are fixedly connected to the output ends of the first electric telescopic rods 806, the clamping blocks 807 can be in contact with the outer portions of the cutter heads 5, the cutter head discs 803 can be driven to rotate by starting the first air cylinder 802, the cutter heads 5 in the cutter head grooves 804 in the outer portion of the cutter head 803 can be driven to synchronously rotate by the cutter head 803 in the rotating process, different cutter heads 5 can be placed in grooves on one side of the rotating rod 904, then the cutter head 5 can be clamped by the first electric telescopic rods 806 in the clamping blocks 807 in the rotating process, the cutter head 5 is prevented from falling out of the cutter head slot 804 during rotation of the cutter head disk 803.

The cleaning brush 701 is fixedly connected with the right side of the feeding plate 602, so that the feeding plate 602 can drive the cleaning brush 701 to clean the scraps at the top end of the bottom plate 1 in the moving process and clean the scraps into the scrap storage groove 703, the rack plate 702 is fixedly connected with the front end of the lower part of the feeding plate 602, the scrap storage groove 703 is arranged at the right side of the top end of the bottom plate 1, the collection box 706 is fixedly connected with the rear end of the bottom plate 1, the rack plate 702 is meshed and connected with the cylindrical gear 705, the feeding plate 602 can drive the rack plate 702 to synchronously move in the moving process, the rack plate 702 can drive the cylindrical gear 705 to rotate in the scrap storage groove 703 in the moving process, the cylindrical gear 705 can drive the auger 704 to rotate in the scrap storage groove 703 in the rotating process, and the scraps in the scrap storage groove 703 can be conveyed into the collection box 706 to be collected and recycled by the rotation of the auger 704.

The lower extreme of second guide rail 908 and the top fixed connection of bottom plate 1, the top sliding connection of second guide rail 908 has riser 901, second cylinder 902 fixed connection is on the top right side of riser 901, second motor 903 links to each other with the piston rod end department of second cylinder 902, dwang 904 links to each other with the output of second motor 903, thereby can guarantee to start second cylinder 902 function and can drive dwang 904 and carry out horizontal migration, then start second motor 903 and can drive dwang 904 and rotate.

The top rear end fixedly connected with support column 10 of bottom plate 1, the top of support column 10 is provided with controls platform 11.

The working principle of the device is described in detail below: the workpiece to be processed is placed on the feeding plate, then the clamping plates are rotated to drive the two-way screw rod to rotate in the first limiting groove, the two-way screw rod drives the two clamping plates which are connected by external threads to do relative motion in the transverse horizontal direction in the rotating process, the two clamping plates can fix the workpiece to be processed in the moving process, the workpiece to be processed is prevented from being displaced in the processing process, the processing quality is influenced, then the workpiece processing position is changed by the sliding of the feeding plate on the first guide rail, the first motor is started to operate to drive the connecting pipe and the cutter bar to rotate, the cutter bar can be rotated to drive the cutter head to rotate, the cutter head can process the workpiece in the rotating process, when the cutter head needs to be replaced, the vertical plate can be moved at the top end of the second guide rail, the second cylinder is started to operate in the moving process to drive the rotating rod and the cutter head on the cutter bar to be positioned on the same horizontal plane, then a second motor is started to rotate to drive the rotating rod to rotate, the rotating rod enables a groove at one end of the rotating rod to be horizontal to the tool bit in the rotating process, then the vertical plate moves on the top end of the second guide rail again to enable the tool bit to be embedded into the groove of the rotating rod, then a second electric telescopic rod is started to drive the pressing head to fix the tool bit in the groove, then a second air cylinder is started again to operate to drive the tool bit to be separated from the tool bar, then the rotating rod is rotated to enable grooves at two sides of the rotating rod to be horizontally transposed, then the vertical plate slides to the position of the tool disc at the top end of the second guide rail to enable the groove at one side of the rotating rod and the tool bit groove to be at the same horizontal plane, then the steps are repeated to place the tool bit into the tool bit groove, then the first electric telescopic rod operates to drive the clamping block to clamp and fix the tool bit in the tool bit groove, then the first air cylinder rotates to drive the tool disc to rotate the tool bits of other types to the groove of the rotating rod, then repeat above-mentioned step and imbed new tool bit to the dwang recess and fix, then repeat above-mentioned step and be connected new tool bit and cutter arbor, thereby realize the purpose of cutter switching, the sweeps that produces in the course of working can be in the removal in-process of delivery sheet is swept to the chip groove through the clearance brush, then the delivery sheet can drive rack plate synchronous motion at the removal in-process, rack plate can drive cylindrical gear at the removal in-process and store the chip groove internal rotation, thereby cylindrical gear can drive the auger at the chip groove internal rotation of storing at the rotation in-process, thereby the rotation of auger can be carried the sweeps in the chip groove to collect recycle in collecting the box.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.