WO2020220850A1

WO2020220850A1 - New easily replaceable hob cutter system and installation method thereof

Info

Publication number: WO2020220850A1
Application number: PCT/CN2020/079640
Authority: WO
Inventors: 卓普周; 贾连辉; 姜礼杰; 文勇亮; 杨航; 赵梦媛; 原晓伟
Original assignee: 中铁工程装备集团有限公司
Priority date: 2019-04-28
Filing date: 2020-03-17
Publication date: 2020-11-05
Also published as: PL3964687T3; EP3964687B1; EP3964687A1; EP3964687A4

Abstract

Provided are a new easily replaceable hob cutter system and installation method thereof; a system comprises a blade holder (1) and a hob (4); the hob (4) is connected to the blade holder (1) by means of a blade shaft holder (2), and the blade shaft holder (2) is fixedly connected to the blade holder (1) by means of a telescopic tensioning mechanism (3) or a locking mechanism (5). The hob cutter system is designed as three parts, which are the blade holder, the blade shaft holder, and the locking mechanism or telescopic tensioning mechanism, thus changing the conventional cutter system structure so that the processes of installation, locking, and removal of the hob are easier, facilitating the automation of cutter replacement and providing technological support for highly efficient and safe "machine-human substitution" operation mode to perform cutter detection and cutter change operations.

Description

A novel hob cutter system that is easy to replace and its installation method

Technical field

The invention relates to the technical field of tunnel construction, in particular to a novel hob cutter system that is easy to replace and an installation method thereof.

Background technique

During the construction of the full-face roadheader, the tools are consumed and replaced frequently, and the tool change operation time accounts for more than 10% of the tunnel construction cycle. The existing tool change work mainly relies on manual operation, large buried depth, high water pressure and other construction environments There are high potential safety hazards for underground operations, and major safety accidents such as casualties are prone to occur. According to statistics, nearly 70% of tunnel construction safety accidents in China are directly related to manual tool change operations. The international industry problem of "tool change insurance" has become a bottleneck restricting the safety and efficiency of tunnel construction under complex geological conditions. It is estimated that by 2022, the total length of my country’s subways, highways, railways and other tunnels will exceed 10,000 kilometers, of which medium-length and extra-long tunnels account for about 2/3. The huge market demand puts forward improvements in the construction efficiency and safety of full-section tunneling equipment. High demands. At present, the disk hobs of shield machines and TBMs are mainly fixed on the tool holder by C-shaped blocks and bolts. Although this method has high reliability, it requires multiple people to cooperate and complete the disassembly, which is time-consuming and labor-intensive. And this installation method is difficult to automate the tool replacement. Therefore, it is imperative to implement tool detection and tool change operations with an efficient and safe "machine substitution" operation mode. In order to achieve efficient and fast machine tool change, it is necessary to improve the original tool system. To solve this problem, it is necessary to invent a new hob tool system suitable for quick disassembly and assembly.

Summary of the invention

In view of the above-mentioned deficiencies in the background technology, the present invention proposes a new type of hob cutter system that is easy to replace and an installation method thereof, which solves the problems of difficulty in hob replacement and low replacement automation in the prior art.

The technical solution of the present invention is realized as follows: a new type of easy-to-replace hob cutter system, including a cutter holder and a hob, the hob is connected to the cutter holder through a cutter shaft holder, and the cutter holder is through a telescopic tensioning mechanism Or the locking mechanism is fixedly connected with the knife holder.

The inner wall of the knife seat is symmetrically provided with installation grooves, and the upper top surface of the installation groove is an arc surface.

The cutter shaft seat includes a fixed block and a swing block. The swing block is located on the upper part of the fixed block and is hinged to the fixed block. The hob is connected with the fixed block; the fixed block and the swing block are matched with the installation groove, and the swing block The upper surface is an arc surface, the arc surface of the swing block is matched with the arc surface of the installation groove, and the inner surface of the swing block is provided with a connecting ear seat.

The telescopic tensioning mechanism includes a support frame, a first screw rod and a second screw rod. One end of the first screw rod is hinged with the connecting ear seat, and the other end is threadedly connected with the support frame; one end of the second screw rod is connected with the corresponding The connecting ear seat is hinged, and the other end is threadedly connected to one side corresponding to the support frame, and the threaded direction of the first screw rod is opposite to the threaded direction of the second screw rod.

The locking mechanism is a screw slider mechanism. The screw slider mechanism includes a screw rod and a slider. One end of the screw rod is connected with the slider and the other end is connected with the knife shaft seat or the knife seat.

The knife seat is provided with a first limiting block, and the outer side of the first limiting block is provided with a V-shaped wedge-shaped surface; the knife shaft seat is provided with a knife shaft sliding groove, and the sliding block is arranged in the knife shaft sliding groove; The mentioned slider is provided with No. VI wedge surface, and the No. VI wedge surface is matched with the No. V wedge surface.

The upper part of the sliding block is provided with a cylindrical groove, the upper end of the screw passes through the sliding block and then extends into the cylindrical groove, and the screw is threadedly connected with the sliding block; the lower end of the screw is a spherical, conical or cylindrical surface, and the lower end of the screw is connected with the cutter shaft seat.

The two ends of the cutter shaft seat are provided with protruding blocks I, the outer surface of the protruding block I is a wedge-shaped surface I, and the upper surface of the protruding block I is a wedge-shaped surface II.

The tool holder is a cylindrical tube, the inner wall of the tool holder is provided with a first convex ring, and a limit chute is formed between the first convex ring and the first limit block; the bottom surface of the limit chute is a No. III wedge shape The upper side of the limit chute is a wedge-shaped surface No. IV; the wedge-shaped surface No. III is matched with the wedge-shaped surface I, and the wedge surface No. IV is matched with the wedge-shaped surface II.

The knife holder is provided with a knife holder sliding groove, the knife shaft holder is provided with a knife shaft clamping groove, the lower part of the knife holder sliding groove is opposite to the upper part of the knife shaft clamping groove; the sliding block is arranged in the knife holder sliding groove.

The lower end of the screw is spherical, conical or cylindrical, and the lower end of the screw extends into the sliding block; the screw is threadedly connected with the tool seat.

The two ends of the cutter shaft seat are provided with protruding blocks II, the outer surface of the protruding block II is a first wedge-shaped surface, and the upper surface of the protruding block II is a second wedge-shaped surface.

The tool holder is a cylindrical tube, the inner wall of the tool holder is provided with a second convex ring and a second limiting block, and a second limiting slide groove is formed between the second convex ring and the second limiting block; the second The bottom surface of the limiting chute is a third wedge surface, and the upper side of the second limiting chute is a fourth wedge surface; the third wedge surface matches the first wedge surface, and the fourth wedge surface corresponds to the second wedge surface. Cooperate.

The side surface of the tool shaft retaining groove is a fifth wedge-shaped surface, one side surface of the slider is a sixth wedge-shaped surface, and the fifth wedge-shaped surface is matched with the sixth wedge-shaped surface.

The locking mechanism is a screw disk slider mechanism. The screw disk slider mechanism includes a clamping block. A horizontal sliding block is provided in sliding cooperation with the clamping block. A chuck is arranged on the horizontal sliding block. A rotating shaft is arranged in the middle of the chuck. A card board is provided on the disc.

The card block is provided with a No. I chute and a No. II chute. The No. I chute and the No. II chute are symmetrically arranged. The horizontal slider includes the No. I slider plate and the No. II slider. The slider is matched with the No. I chute, and the No. II slider is matched with the No. II chute; the chuck is matched with the No. I and No. II slider through threads.

The lower part of the locking block is provided with a locking leg, and the locking leg is provided with a G wedge-shaped surface; the outer side of the sliding block is provided with a locking block, and the outer side of the locking block is provided with an H wedge-shaped surface.

The tool holder is a cylindrical tube, and the inner wall of the tool holder is provided with a third convex ring and a third limiting block, and a third limiting sliding groove is formed between the third convex ring and the third limiting block.

One side of the third limit block is connected with the knife holder, and the other side is provided with a weight-reducing groove; the inner wall of the knife holder is also provided with a clamping groove, and the upper side of the clamping groove is a wedge-shaped surface F, F No. wedge surface matches No. H wedge surface; the bottom surface of the third limit chute is No. E wedge surface, and the upper side of the third limit chute is No. D wedge surface; after the tool is installed in the tool holder, the third The convex ring is supported to slide in the third limit chute.

Protruding blocks III are provided on opposite sides of the cutter shaft seat, the side of the protruding block III is a wedge-shaped surface No. A, the upper part of the protruding block III is a wedge-shaped surface B, and the other two sides of the cutter shaft seat are provided with a wedge C-shaped surface surface.

An easy-to-replace new hob cutter system installation method, the steps are as follows: S1: first install the hob on the fixed block of the cutter shaft seat to form a hob cutter shaft seat assembly; S2: then install the hob cutter shaft The seat assembly is assembled into the tool seat as a whole; S3: Finally, the swing block of the tool shaft seat is driven to swing axially through the rotating telescopic tensioning mechanism, so that the tool shaft seat is tightened in the tool seat to complete the installation of the tool.

An easy-to-replace new hob cutter system installation method, the steps are as follows: ① Hob installation: First, install the cutter shaft seat with the hob into the cutter seat, and rotate the cutter shaft seat when reaching the limited position until the cutter The shaft seat is in a clamped state in the knife seat; ②The locking of the locking mechanism: rotate the screw on the locking mechanism to make the slider move in the knife shaft chute on the knife shaft seat, when the slider is extended and When reaching the limited position, it will resist the V-shaped wedge surface on the tool holder, so that the tool shaft holder and the tool holder are in a tightly fitted state.

Step ① When the tool shaft seat is in the clamped state in the tool seat, the wedge surface I on the tool shaft seat is matched with the wedge surface III on the tool seat, and the wedge surface II on the tool shaft seat is matched with the tool seat. Match the wedge-shaped surface of No. IV until the cutter shaft seat is in a clamped state in the cutter seat.

An easy-to-replace new hob cutter system installation method, the steps are as follows: ① Hob installation: first install the cutter shaft seat with the hob into the cutter seat, and rotate the cutter shaft seat when reaching the limited position until the cutter The shaft seat is in a clamped state in the knife seat; ②The locking of the locking mechanism: rotate the screw on the locking mechanism to move the slider down to the knife shaft clamping groove on the knife shaft seat, so that the knife The shaft seat and the tool seat are always in a tight fit state.

Step ① When the cutter shaft seat is in the clamped state in the cutter seat, the first wedge surface on the cutter shaft seat is matched with the third wedge surface on the cutter seat, and the second wedge surface on the cutter shaft seat is matched with the cutter seat. The upper fourth wedge-shaped surface is matched until the cutter shaft seat is in a clamped state in the cutter seat.

An easy-to-replace new hob cutter system installation method, the steps are as follows: ①The installation of the cutter: first install the cutter shaft seat with the hob into the cutter seat, when reaching the limited position, the cutter shaft seat until the cutter shaft seat It is in a clamped state in the knife holder; ②Installation of the locking mechanism: After the knife shaft seat is installed, install the locking mechanism into the knife holder, so that the locking mechanism locks the knife shaft seat to prevent the knife shaft seat from loosening; ③ Clamping of the knife shaft seat: After the locking mechanism is installed, the locking mechanism is locked by rotating the chuck, so that the knife shaft seat, the locking mechanism and the knife seat are always in a tight fit state.

Step ① When the cutter shaft seat is in the clamped state in the cutter seat, the wedge surface A on the cutter shaft seat matches the wedge surface E on the cutter seat, and the wedge surface B on the cutter shaft seat matches the knife. No. D wedge surface on the seat is a wedge surface fit.

After the locking mechanism described in step ② is installed in the knife holder, the C wedge surface on the knife shaft base and the G wedge surface on the clamping block form a mating surface.

In step ③, by rotating the chuck, the No. I slider and the No. II slider are moved along the chute of the clamping block, so that the No. I slider and the No. II slider are simultaneously extended and locked into the card in the tool holder. In the connecting groove, with the rotation of the rotating shaft, the H wedge surface matches the F wedge surface in the clamping groove until the locking mechanism is locked.

In the present invention, the hob cutter system is designed into three parts, namely the cutter seat, the cutter shaft seat and the locking mechanism or the telescopic tensioning mechanism. It completely changes the structure of the traditional cutter system and enables the installation, locking and removal of the hob It is simpler, easy to realize the automation of tool replacement, and provides technical support for the efficient and safe "machine substitution" operation mode to realize tool detection and tool change operations. The invention is ingenious in design and compact in structure, realizes quick disassembly and replacement of hobs, facilitates automatic installation, improves disassembly efficiency, greatly saves manpower and material resources, and improves construction safety coefficient. It is a major innovation in hob design.

Description of the drawings

In order to explain the embodiments of the present invention more clearly, the following will briefly introduce the drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention, which are common in the art. As far as technical personnel are concerned, they can also obtain other drawings based on these drawings without creative work.

Figure 1 is a schematic diagram of the overall structure of the present invention in embodiment 1;

2 is a schematic diagram of the connection structure between the cutter shaft seat and the telescopic tensioning mechanism in Embodiment 1;

Figure 3 is a schematic structural view of the cooperative state of the tool shaft seat and the tool seat in embodiment 1;

Figure 4 is a schematic diagram of the knife shaft seat, the telescopic tensioning mechanism and the hob in the knife seat in embodiment 1;

Fig. 5 is a schematic diagram of the state in which the swing block is tightened against the tool holder in embodiment 1.

6 is a schematic diagram of the structure of the present invention in Embodiment 2;

Figure 7 is a schematic structural view of the cooperation of the knife shaft seat and the knife seat of the present invention in Embodiment 2;

Figure 8 is a schematic diagram of the internal structure of the tool holder of the present invention in embodiment 2;

9 is a schematic diagram of the structure of the knife shaft seat of the present invention in Embodiment 2;

Figure 10 is a schematic view of the structure of the knife shaft seat, the locking mechanism and the knife seat of the present invention in embodiment 2;

11 is a schematic diagram of the structure of the locking mechanism of the present invention in Embodiment 2.

12 is a schematic diagram of the structure of the present invention in Embodiment 3;

13 is a schematic diagram of the structure of the knife shaft seat of the present invention in Embodiment 3;

14 is a schematic diagram of the internal structure of the knife holder of the present invention in Embodiment 3;

Figure 15 is a schematic structural view of the cooperation between the knife shaft seat and the locking mechanism of the present invention in Embodiment 3;

16 is a schematic diagram of the structure of the knife holder and the locking mechanism of the present invention in the third embodiment.

Figure 17 is a schematic diagram of the structure of the present invention in embodiment 4;

18 is a schematic diagram of the structure of the knife shaft seat of the present invention in Embodiment 4;

19 is a schematic diagram of the structure of the locking mechanism of the present invention in Embodiment 4;

Figure 20 is a partial sectional view of the structure of the cooperation of the knife shaft seat and the knife seat of the present invention in Embodiment 4;

21 is a schematic diagram of the internal structure of the knife holder of the present invention in embodiment 4;

Figure 22 is a partial cross-sectional view of the structure of the knife barrel of the present invention in cooperation with the locking mechanism in Embodiment 4.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

As shown in Figure 1, embodiment 1, a novel hob cutter system that is easy to replace, includes a cutter holder 1 and a hob 4, the hob 4 is connected to the cutter holder 1 through a cutter shaft holder 2, and the cutter shaft The seat 2 is provided with a cutter shaft groove, the cutter shaft of the hob extends into the cutter shaft groove, and the slot of the cutter shaft groove is provided with a cutter shaft seat baffle. The cutter shaft is fixedly connected to the cutter shaft seat through the cutter shaft seat baffle plate. The knife shaft holder 2 is fixedly connected to the knife holder 1 through a telescopic tension mechanism 3. That is, the knife shaft seats on both sides are connected by a telescopic tensioning mechanism, and through the telescopic action of the telescopic tensioning mechanism, the knife shaft seats are tightly supported in the knife seat to realize the fixation of the hob.

Further, as shown in FIGS. 2 and 3, the inner wall of the tool holder 1 is symmetrically provided with mounting grooves 6, and the upper top surface of the mounting groove 6 is an arc surface. That is, the longitudinal section of the installation groove 6 is a vertically arranged concave shape, and the upper top surface of the vertically arranged concave-shaped groove is an arc shape, which is convenient for the swing support of the knife shaft seat 2. The cutter shaft seat 2 includes a fixed block 201 and a swing block 202. The swing block 202 is located on the upper part of the fixed block 201 and is hinged to the fixed block 201. The swing block 202 is hinged to the upper part of the fixed block through a pin shaft. swing. The hob 4 is connected to the fixed block 201; the fixed block 201 and the swing block 202 are matched with the installation groove 6, that is, the fixed block 201 and the swing block 202 are installed in the installation groove 5, and the upper surface of the swing block 202 It is an arc surface, and the arc surface of the swing block 202 is matched with the arc surface of the installation groove 6. The path of the swing block is arc during the swing process. The arc surface is designed to avoid interference with the tool holder during the swing process. Ensure the precise fit between the swing block and the tool holder, and improve the stability of the hob installation. A connecting ear seat 203 is provided on the inner surface of the swing block 202. The telescopic tensioning mechanism 3 is articulated with the swing block through the ear seat, and drives the swing block to perform axial movement, realizes whether it is tightened with the tool seat, realizes rapid disassembly and replacement, can realize automatic installation, and improve disassembly efficiency.

Furthermore, as shown in FIGS. 4 and 5, the telescopic tensioning mechanism 3 includes a support frame 301, a first screw rod 302, and a second screw rod 303, and both ends of the support frame 301 are provided with wire holes. One end of the first screw rod 302 is hinged with the connecting ear base 203, and the other end is screwed with the screw hole on one side of the support frame 301; one end of the second screw rod 303 is hinged with the connecting ear base 203 on the other side of the swing block, and the other One end is threadedly connected with the screw hole on the other side of the support frame 301, that is, the first screw rod 302 and the second screw rod 303 are respectively located on both sides of the support frame. The first screw rod 302 and the second screw rod 303 are located on the same straight line, and the thread direction of the first screw rod 302 is opposite to that of the second screw rod 303. The rotating support frame can realize the movement of the first screw rod and the second screw rod along the axis of the support frame to realize the telescopic function.

The installation method of the above-mentioned new easy-to-replace hob cutter system is as follows: S1: first install the hob 4 on the fixed block 201 of the cutter shaft seat 2 to form a hob cutter shaft seat assembly; S2: then install the hob cutter The tool shaft seat assembly is integrated into the tool seat 1, that is, the fixed block 201 and the swing block 202 are installed in the mounting groove 5; S3: Finally, the swing block 202 of the tool shaft seat 2 is driven axially by the telescopic tensioning mechanism 3 Swing, that is, swing to both sides along the axial direction of the cutter shaft, so that the cutter shaft seat 2 is pressed tightly in the cutter seat 1 to complete the installation of the cutter.

As shown. . As shown, Embodiment 2 is a novel hob cutter system that is easy to replace. The cutter shaft holder 2 is fixedly connected to the cutter holder 1 through a locking mechanism 5. The locking mechanism 5 is a screw-slider mechanism. The screw-slider mechanism includes a screw 501 and a sliding block 502. One end of the screw 501 is connected to the sliding block 502 and the other end is connected to the cutter shaft seat 2. The sliding block 502 of the locking mechanism 5 is clamped into the cutter shaft seat 2 and cooperates with the first stop block 105 of the cutter shaft seat 2 to prevent the cutter shaft from rotating. The cutter shaft seat is provided with a cutter shaft groove, and the cutter shaft of the hob extends into the cutter shaft groove and is fixed. The upper end of the screw 501 is provided with a chuck. Since the end effector of the robot is used to screw the screw, it is convenient for the automatic installation and disassembly of the tool system. The other structure is the same as the first embodiment.

Further, the tool holder 1 is provided with a first limit block 105, the outer side of the first limit block 105 is provided with a V-shaped wedge surface 103, and the first limit block 105 is symmetrically arranged on the inner wall of the tool holder and is symmetrical to the tool holder. Flush; the knife shaft seat 2 is provided with a knife shaft sliding groove 2-3, the sliding block 502 is arranged in the knife shaft sliding groove 2-3; the sliding block 502 is provided with a VI wedge surface 503, VI The number wedge surface 503 is matched with the number V wedge surface 103.

Furthermore, the upper part of the slider 502 is provided with a cylindrical groove 504, the upper end of the screw 501 passes through the slider 502 and then extends into the cylindrical groove 504, and the screw 501 is threadedly connected with the slider 502; the upper end of the screw 501 does not extend out of the cylindrical groove 504, To prevent the installation of the knife shaft seat from being affected, when the screw is screwed, the screwing device needs to be extended into the cylindrical groove to contact the upper end of the screw. The lower end of the screw 501 is a spherical surface, a conical surface or a cylindrical surface, and the lower end of the screw 501 is connected with the cutter shaft seat 2. The lower end of the screw 501 is clamped in the cutter shaft seat 2, and the cutter shaft seat 2 can be used as the bottom surface to drive the sliding block 502 to slide upward or downward.

Further, the two ends of the cutter shaft seat 2 are provided with protruding blocks I2-4, the outer surface of the protruding block I2-4 is the No. I wedge surface 2-1, and the upper surface of the protruding block I2-4 is the No. II wedge surface 2-2. The tool holder 1 is a cylindrical tube, and the inner wall of the tool holder 1 is provided with a first convex ring 104, and a limit sliding groove 106 is formed between the first convex ring 104 and the first limit block 105; The seat is supported by the first convex ring 104 to slide in the limiting chute. The bottom surface of the limit chute 106 is a No. III wedge surface 101, and the upper side of the limit chute 106 is a No. IV wedge surface 102; the No. III wedge surface 101 is matched with the No. I wedge surface 2-1, No. IV wedge surface 102 is matched with No. II wedge surface 2-2. The screw 501 on the locking device 5 is connected with the slider 502 through a screw thread, and the screw 501 on the locking device 5 is connected with the cutter shaft base 2 through a bottom surface of revolution such as a spherical surface, a conical surface, a cylindrical surface, etc., the screw 501 rotates, and the slider Move in the knife shaft chute 2-3 and extend the knife shaft chute 2-3; the sliding block is extended to abut against the V-shaped wedge surface 103, thereby preventing the knife shaft seat 2 from rotating axially.

The installation method of the above-mentioned easy-to-replace new hob cutter system is as follows: ①Installation of the hob: first install the cutter shaft holder 2 with the hob into the cutter holder 1, and rotate the cutter shaft holder 2 when it reaches the limited position. Until the cutter shaft holder 2 is in the clamped state in the cutter holder 1; ②Locking of the locking mechanism 5: Rotate the screw 501 on the locking mechanism 5 so that the slider 502 is in the cutter shaft sliding groove 2 on the cutter shaft holder 2. -3 internal movement, when the slider 502 is extended and reaches the defined position, it will resist the V-shaped wedge surface 303 on the tool holder 1, so that the tool shaft holder 2 and the tool holder 1 are in a tightly fitted state.

Step ① When the tool shaft holder 2 is in the clamped state in the tool holder 1, make the I wedge surface 2-1 on the tool holder 2 match the No. III wedge surface 101 on the tool holder 1, and the tool shaft holder 2 The upper II wedge surface 2-2 is matched with the IV wedge surface 102 on the tool holder 1 until the tool shaft holder 2 is in a clamped state in the tool holder 1.

The disassembly process of the hob cutter system is opposite to the installation process: when the cutter system is disassembled, the screw 501 in the cutter locking device 5 is first screwed to make the inclined surface on the slider 502 and the V-shaped wedge surface on the tool holder 1 The three phases are separated until the sliding block 502 is retracted into the knife shaft holder 2; then the knife shaft holder 2 is rotated to loosen the fit with the knife holder 1, and the assembly of the knife shaft holder 2 and the hob is taken out.

As shown. . As shown in Embodiment 3, a novel hob cutter system that is easy to replace, one end of the screw 501 of the locking mechanism 5 is connected with the slider 502, and the other end is connected with the tool holder 1. The knife holder 1 is provided with knife holder slide grooves 1-3, and the knife holder 2 is provided with knife holder grooves 2a-3. The lower part of the knife holder slide grooves 1-3 and the tool holder grooves 2a-3 The upper part is opposite to each other; the sliding block 502 is arranged in the tool holder sliding groove 1-3. The sliding block 502 of the locking device 5 protrudes into the cutter shaft clamping groove 2a-3 on the cutter shaft seat 2 to prevent the cutter shaft from rotating. The upper end of the screw 501 is provided with a chuck, and the robot end effector is used to screw the screw, which facilitates the automatic installation and disassembly of the tool system. The other structure is the same as the second embodiment.

Further, the lower end of the screw 501 is a spherical surface, a conical surface or a cylindrical surface, and the lower end of the screw 501 extends into the slider 502; the screw 501 is threadedly connected with the tool holder 1. The lower end of the screw 501 is clamped in the sliding block, and the sliding block 502 can be driven to slide up or down in the sliding groove 1-3 of the knife seat. When working, the screw 501 on the locking device 5 cooperates with the slider 502 through the bottom turning surface such as a spherical surface, a conical surface, a cylindrical surface, etc. The slider 502 is installed in the tool holder slide groove 1-3 on the tool holder 1, which can be The movement in the tool holder sliding groove 1-3 is realized; the sliding block 502 is clamped into the tool shaft clamping groove 2a-3 on the tool shaft holder 2, thereby preventing the tool shaft holder 2 from rotating axially.

Further, the two ends of the knife shaft seat 2 are provided with protrusions II2a-4, the outer surface of the protrusion II2a-4 is a first wedge surface 2a-1, and the upper surface of the protrusion II2a-4 is a second wedge surface 2a-2. The tool holder 1 is a cylindrical tube, and the inner wall of the tool holder 1 is provided with a second convex ring 1-4 and a second limiting block 1-5, and the second convex ring 1-4 and a second limiting block 1-5 A second limit chute 1-6 is formed therebetween; the knife shaft seat can slide in the limit chute after being supported by the second convex ring 1-4 after being installed in the knife seat. The bottom surface of the second limiting chute 1-6 is a third wedge surface 1-1, and the upper side of the second limiting chute 1-6 is a fourth wedge surface 1-2; the third wedge surface 1-1 is matched with the first wedge-shaped surface 2a-1, and the fourth wedge-shaped surface 1-2 is matched with the second wedge-shaped surface 2a-2.

Further, the side surface of the cutter shaft retaining groove 2a-3 is a fifth wedge surface 2a-5, one side surface of the slider 502 is a sixth wedge surface 505, the fifth wedge surface 2a-5 and the sixth wedge surface 505 matches. As the sliding block 502 slides downward, the sliding block is clamped tighter in the tool shaft clamping groove 2a-3.

The installation method of the above-mentioned easy-to-replace new hob cutter system is as follows: ①Installation of the hob: first install the cutter shaft holder 2 with the hob into the cutter holder 1, and rotate the cutter shaft holder 2 when it reaches the limited position. Until the cutter shaft holder 2 is in the clamped state in the cutter holder 1; ②The locking of the locking mechanism 5: Turn the screw 501 on the locking mechanism 5, and the slider 502 will move down to the clamp on the cutter shaft holder 2. The cutter shaft slot 2a-3 is inside, so that the cutter shaft seat 2 and the cutter seat 1 are always in a tight fit state.

Step ① When the cutter shaft holder 2 is in the clamped state in the cutter holder 1, the first wedge surface 2a-1 on the cutter shaft holder 2 is matched with the third wedge surface 1-1 on the cutter holder 1, and the cutter shaft The second wedge-shaped surface 2a-2 on the seat 2 is matched with the fourth wedge-shaped surface 1-2 on the tool seat 1 until the tool shaft seat 2 is in a clamped state in the tool seat 1.

The disassembly process of the hob cutter system described above is opposite to the installation process described above: that is, first screw the screw 501 in the locking device 5 to separate the inclined surface of the slider 502 from the inclined surface of the tool shaft clamping groove 2a-3; then rotate the knife The shaft seat 2 loosens the fit with the cutter seat 1, and the assembly of the cutter shaft seat 2 and the hob is taken out.

As shown. . As shown in Example 4, a new type of hob cutter system that is easy to replace, the locking mechanism 5 is a screw disk slider mechanism, the screw disk slider mechanism includes a clamping block 801, which is provided with horizontal Slider, the horizontal slide block is provided with a chuck 804, and the bottom surface of the chuck 804 is provided with threads, which cooperate with the threads on the horizontal slide block, rotate the chuck, and push the horizontal slide block to move horizontally. Locking function seated in the tool holder 1. The tool system of the present invention is matched with the end effector of the tool change robot. A rotating shaft 803 is arranged in the middle of the chuck 804, the chuck rotates relative to the rotating shaft, and a chuck 806 is arranged on the chuck 804. The card board 806 includes a card board No. III 8011 and a card board IV 8012, which respectively cooperate with the card board I and the card board II on the end effector to provide a card connection position for the end effector. The other structure is the same as the third embodiment.

Further, the card block 801 is provided with a No. I chute 807 and a No. II chute 808, the No. I chute 807 and the No. II chute 808 are symmetrically arranged, and the horizontal slider includes a No. I slider disc 802. It is matched with No. II slider 805, No. I slider 802 is matched with No. I chute 807, No. II slider 805 is matched with No. II chute 808; chuck 804 is matched with No. I slider 802, No. II slider 805 Fitted by thread. Rotating the chuck drives No. I slider 802 to slide in No. I chute 807, and No. II slider 805 to slide in No. II chute 808, so that No. I slider disc 802 and No. II slider 805 are extended into the tool seat. 1. The clamping groove 706 on the inner wall is used to lock the knife shaft seat 2.

Further, the lower part of the locking block 801 is provided with a locking leg 809, and the locking leg 809 is provided with a G wedge-shaped surface 8011; the outer side of the slider is provided with a locking block 8010, and the outer side of the locking block 8010 is provided with an H wedge. On the surface 8051, the clamping block 8010 is matched with the clamping groove 706.

Further, the tool holder 1 is a cylindrical tube, and the inner wall of the tool holder 1 is provided with a third convex ring 709 and a third limiting block 708. The third convex ring 709 and the third limiting block 708 form a third limit. Position chute 707. After the knife shaft seat is installed in the knife seat, the third convex ring 709 is used as a support to slide in the third limit sliding groove 707. When in use, the third limiting block 708 locks the knife shaft seat in the knife barrel to prevent the locking mechanism from moving and rotating.

Further, one side of the third limiting block 708 is connected to the tool holder 1, and the other side is provided with a weight reduction groove 705; the inner wall of the tool holder 1 is also provided with a clamping groove 706, and the upper part of the clamping groove 706 The side surface is F wedge surface 703, F wedge surface 703 matches H wedge surface 8051, and the blocking block 8010 of the slider extends into the clamping groove 706 to lock the clamping block 801; the third limit The bottom surface of the position chute 707 is the No. E wedge surface 702, and the upper side of the third limit chute 707 is the No. D wedge surface 701; after the tool is installed in the tool holder, the third convex ring 709 is supported in the third limit sliding Slide in the groove 707.

Further, protruding blocks III6024 are provided on opposite sides of the knife shaft seat 2, the side of the protruding block III6024 is a wedge surface 6021 of No. A, the upper part of the protruding block III is a wedge surface 6022 of No. B, and the other two sides of the knife shaft seat 2. There is a C wedge-shaped surface 6023. No. A wedge surface 6021 is matched with No. E wedge surface 702, No. B wedge surface 6022 is matched with No. D wedge surface 701, and No. C wedge surface 6023 is matched with No. G wedge surface 8011.

The installation method of the above-mentioned easy-to-replace new hob cutter system is as follows: ①The installation of the cutter: first install the cutter shaft holder 2 with the hob into the cutter holder 1, and when it reaches the limited position, the cutter shaft holder 2 until the cutter The shaft holder 2 is in a locked state in the knife holder 1; ②Installation of the locking mechanism 5: After the knife shaft holder 2 is installed, install the locking mechanism 5 into the knife holder 1, so that the locking mechanism 5 locks the knife shaft Seat 2, to prevent the knife shaft seat 2 from loosening; ③ Clamping of the knife shaft seat 2: After the locking mechanism 5 is installed, the locking mechanism 5 is locked by rotating the chuck 804, so as to achieve the knife shaft seat 2. The mechanism 5 and the tool holder 1 are always in a tight fit state.

Step ① When the cutter shaft seat 2 is in the clamped state in the cutter seat 1, the wedge surface 6021 of No. A on the cutter shaft seat 2 and the wedge surface 702 of No. E on the cutter seat 1 are wedge-shaped surfaces matching, and the cutter shaft seat 2 The upper B wedge surface 6022 and the upper D wedge surface 701 of the tool holder 1 are wedge-shaped surface fit.

After the locking mechanism 5 described in step ② is installed in the knife holder 1, the C wedge surface 6023 on the knife shaft holder 2 and the G wedge surface 8011 on the clamping block 801 form a mating surface.

In step ③, by rotating the chuck 804, the No. I slider 802 and the No. II slider 805 are moved along the chute of the chuck block 801, so that the No. I slider 802 and the No. II slider 805 are simultaneously extended and locked. When inserted into the clamping groove in the tool holder 1, as the rotating shaft 803 rotates, the H wedge surface 8051 matches the F wedge surface 703 in the clamping groove until the locking mechanism 5 is locked.

The disassembly process of the cutting tool system of the present invention is opposite to the installation process: as shown in Figs. 12 to 15, when the hob is disassembled, the chuck 804 in the locking mechanism 4 is screwed to make the No. I slider 802 and the No. II slider 805 simultaneously Retract and take out the locking mechanism; then rotate the knife shaft seat to loosen the fit between the knife seat and take out the tool.

The above descriptions are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the present invention. Within the scope of protection.

Claims

A new type of easy-to-replace hob cutter system includes a cutter holder (1) and a hob (4). The hob (4) is connected to the cutter holder (1) through a cutter shaft holder (2), and is characterized in that: The cutter shaft seat (2) is fixedly connected with the cutter seat (1) through a telescopic tensioning mechanism (3) or a locking mechanism (5).
The easy-to-replace new hob cutter system according to claim 1, wherein the inner wall of the tool holder (1) is symmetrically provided with mounting grooves (6), and the upper surface of the mounting grooves (6) It is a curved surface.
The easy-to-replace new hob cutter system according to claim 2, characterized in that: the cutter shaft seat (2) includes a fixed block (201) and a swing block (202), and the swing block (202) is located on the fixed block ( The upper part of 201) is hinged with the fixed block (201), and the hob (4) is connected with the fixed block (201); the fixed block (201) and the swing block (202) are both matched with the installation groove (6), The upper surface of the swing block (202) is an arc-shaped surface, the arc-shaped surface of the swing block (202) is matched with the arc-shaped surface of the mounting groove (6), and the inner surface of the swing block (202) is provided with a connecting ear seat ( 203).
The easy-to-replace new hob cutter system according to claim 3, characterized in that: the telescopic tensioning mechanism (3) includes a support frame (301), a first screw (302) and a second screw (303) ), one end of the first screw rod (302) is hinged with the connecting ear seat (203), and the other end is threadedly connected with the support frame (301); one end of the second screw rod (303) is connected to the corresponding connecting ear seat (203) The hinged joint and the other end is threadedly connected to one side corresponding to the support frame (301), and the threaded direction of the first screw rod (302) is opposite to the threaded direction of the second screw rod (303).
The easy-to-replace new hob cutter system according to claim 1 or 2, characterized in that: the locking mechanism (5) is a screw slider mechanism, the screw slider mechanism includes a screw (501) and a slider (502) ), one end of the screw (501) is connected with the slider (502), and the other end is connected with the cutter shaft seat (2) or the cutter seat (1).
The easy-to-replace new hob cutter system according to claim 5, characterized in that: the tool holder (1) is provided with a first limiting block (105), and the first limiting block (105) is provided with V-shaped wedge surface (103); the cutter shaft seat (2) is provided with a cutter shaft sliding groove (2-3), and the sliding block (502) is arranged in the cutter shaft sliding groove (2-3); The sliding block (502) is provided with a VI wedge surface (503), and the VI wedge surface (503) is matched with the V wedge surface (103).
The easy-to-replace new hob cutter system according to claim 6, characterized in that: the upper part of the slider (502) is provided with a cylindrical groove (504), and the upper end of the screw (501) passes through the slider (502). Stretching into the cylindrical groove (504), the screw (501) is threadedly connected with the slider (502); the lower end of the screw (501) is spherical, conical or cylindrical, and the lower end of the screw (501) is connected with the cutter shaft seat (2).
The easy-to-replace new hob cutter system according to claim 6 or 7, characterized in that: the two ends of the cutter shaft seat (2) are provided with protruding blocks I (2-4), the protruding blocks I (2-4) ) The outer surface is wedge-shaped surface I (2-1), and the upper surface of the protruding block I (2-4) is wedge-shaped surface II (2-2).
The easy-to-replace new hob cutter system according to claim 7, characterized in that: the cutter holder (1) is a cylindrical tube, and the inner wall of the cutter holder (1) is provided with a first convex ring (104), A limit chute (106) is formed between a convex ring (104) and the first limit block (105); the bottom surface of the limit chute (106) is a No. III wedge surface (101), the limit chute The upper side of (106) is the No. IV wedge surface (102); the No. III wedge surface (101) is matched with the No. I wedge surface (2-1), and the No. IV wedge surface (102) is matched with the No. II wedge surface. (2-2) Cooperate.
The easy-to-replace new hob cutter system according to claim 5, characterized in that: the cutter seat (1) is provided with a cutter seat slide groove (1-3), and the cutter shaft seat (2) is It is provided with a knife shaft clamping groove (2a-3), the lower part of the knife holder sliding groove (1-3) is opposite to the upper part of the knife shaft clamping groove (2a-3); the sliding block (502) is arranged in the knife holder sliding groove (1- 3) Within.
The easy-to-replace new hob cutter system according to claim 10, characterized in that the lower end of the screw (501) is spherical, conical or cylindrical, and the lower end of the screw (501) extends into the slider (502); The screw (501) is threadedly connected with the tool holder (1).
The easy-to-replace new hob cutter system according to claim 11, characterized in that: the two ends of the cutter shaft seat (2) are provided with protruding blocks II (2a-4), and the protruding block II (2a-4) The surface is a first wedge-shaped surface (2a-1), and the upper surface of the protruding block II (2a-4) is a second wedge-shaped surface (2a-2).
The easy-to-replace new hob cutter system according to claim 12, characterized in that: the cutter holder (1) is a cylindrical tube, and the inner wall of the cutter holder (1) is provided with a second convex ring (1-4) And the second limiting block (1-5), the second convex ring (1-4) and the second limiting block (1-5) form a second limiting chute (1-6); The bottom surface of the second limit chute (1-6) is a third wedge surface (1-1), and the upper side of the second limit chute (1-6) is a fourth wedge surface (1-2); The third wedge surface (1-1) is matched with the first wedge surface (2a-1), and the fourth wedge surface (1-2) is matched with the second wedge surface (2a-2).
The easy-to-replace new hob cutter system according to claim 12 or 13, characterized in that: the side surface of the cutter shaft locking groove (2a-3) is a fifth wedge surface (2a-5), and the sliding One side surface of the block (502) is a sixth wedge surface (505), and the fifth wedge surface (2a-5) is matched with the sixth wedge surface (505).
The easy-to-replace new hob cutter system according to claim 1 or 2, characterized in that: the locking mechanism (5) is a screw disk slider mechanism, and the screw disk slider mechanism includes a clamping block (801), and The chuck block (801) is provided with a horizontal sliding block in sliding cooperation, a chuck (804) is arranged on the horizontal sliding block, a rotating shaft (803) is arranged in the middle of the chuck (804), and a clamping plate ( 806).
The easy-to-replace new hob cutter system according to claim 15, characterized in that: the block (801) is provided with No. I chute (807) and No. II chute (808), and No. I slide The groove (807) and the No. II slide groove (808) are arranged symmetrically. The horizontal slider includes No. I slide plate (802) and No. II slide (805), No. I slide (802) and No. I slide The groove (807) is matched, the No. II sliding block (805) is matched with the No. II sliding groove (808); the chuck (804) is matched with the No. I sliding block (802) and the No. II sliding block (805) through threads.
The easy-to-replace new hob cutter system according to claim 16, characterized in that: the lower part of the clamping block (801) is provided with a clamping leg (809), and the clamping leg (809) is provided with a G wedge surface ( 8011); The outside of the sliding block is provided with a blocking block (8010), and the outside of the blocking block (8010) is provided with an H wedge surface (8051).
The easy-to-replace new hob cutter system according to claim 16 or 17, characterized in that: the cutter holder is a cylindrical tube, and the inner wall of the cutter holder (1) is provided with a third convex ring (709) and a third The limiting block (708), the third convex ring (709) and the third limiting block (708) form a third limiting sliding groove (707).
The easy-to-replace new hob cutter system according to claim 18, characterized in that: one side of the third limit block (708) is connected with the tool holder (1), and the other side is provided with a weight reduction groove (705). ); The inner wall of the tool holder (1) is also provided with a clamping groove (706), the upper side of the clamping groove (706) is the F wedge surface (703), the F wedge surface (703) and the H The wedge-shaped surfaces (8051) are matched; the bottom surface of the third limiting chute (707) is an E wedge surface (702), and the upper side of the third limiting chute (707) is a D wedge surface (701) ; After the tool is installed in the tool holder, the third convex ring (709) is used as a support to slide in the third limit chute (707).
The easy-to-replace new hob cutter system according to claim 19, characterized in that: protruding blocks III (6024) are provided on opposite sides of the cutter shaft seat (2), and the side of the protruding block III (6024) is A wedge surface (6021), the upper part of the protruding block III is a B wedge surface (6022), and the other two sides of the cutter shaft seat (2) are provided with a C wedge surface (6023).
An easy-to-replace new hob cutter system installation method as claimed in claim 4, characterized in that the steps are as follows: S1: first install the hob (4) on the fixed block (201) of the cutter shaft seat (2) ) To form the hob shaft seat assembly; S2: then install the hob shaft seat assembly into the knife seat (1) as a whole; S3: finally drive the knife shaft seat (3) by rotating the telescopic tensioning mechanism (3) 2) The swing block (202) swings axially, so that the tool shaft seat (2) is pressed against the tool seat (1) to complete the installation of the tool.
An easy-to-replace new hob tool system installation method as claimed in claim 9, characterized in that: the steps are as follows: ① installation of the hob: first install the cutter shaft seat (2) with the hob into the cutter In the seat (1), when the limit position is reached, rotate the knife shaft seat (2) until the knife shaft seat (2) is in the clamped state in the knife seat (1); ②The locking mechanism (5) is locked: rotation lock Tighten the screw (501) on the mechanism (5) to make the slider (502) move in the cutter shaft chute (2-3) on the cutter shaft seat (2). When the slider (502) is extended and reaches When the position is limited, the wedge-shaped surface (303) of the number V on the tool holder (1) is pressed, so that the tool shaft holder (2) and the tool holder (1) are in a tightly fitted state.
The method for installing a novel hob cutter system that is easy to replace according to claim 22, characterized in that: when the cutter shaft holder (2) in step ① is in a clamped state in the cutter holder (1), the cutter shaft No. I wedge surface (2-1) on the seat (2) is matched with the No. III wedge surface (101) on the tool holder (1), and the No. II wedge surface (2-2) on the tool shaft holder (2) matches the knife The No. IV wedge surface (102) on the seat (1) is matched until the cutter shaft seat (2) is in a clamped state in the cutter seat (1).
An easy-to-replace new hob cutter system installation method according to claim 14, characterized in that: the steps are as follows: ① hob installation: firstly install the cutter shaft seat (2) with hob into the cutter In the seat (1), when the limit position is reached, rotate the knife shaft seat (2) until the knife shaft seat (2) is in the clamped state in the knife seat (1); ②The locking mechanism (5) is locked: rotation lock Tighten the screw (501) on the mechanism (5), so that the slider (502) moves down to be inserted into the cutter shaft clamping groove (2a-3) on the cutter shaft seat (2), so that the cutter shaft seat (2) ) And the tool holder (1) are always in a tight fit state.
The method for installing a new type of hob cutter system that is easy to replace according to claim 24, characterized in that: when the cutter shaft holder (2) in step ① is in a clamped state in the cutter holder (1), the cutter shaft The first wedge surface (2a-1) on the seat (2) is matched with the third wedge surface (1-1) on the tool seat (1), and the second wedge surface (2a-2) on the tool shaft seat (2) It is matched with the fourth wedge-shaped surface (1-2) on the tool seat (1) until the tool shaft seat (2) is in a clamped state in the tool seat (1).
An easy-to-replace new hob tool system installation method as claimed in claim 19 or 20, characterized in that: the steps are as follows: ① installation of the tool: first install the tool shaft seat (2) with the hob In the tool holder (1), when the limit position is reached, the tool shaft holder (2) will be locked until the tool holder (2) is in the clamped state in the tool holder (1); ②The installation of the locking mechanism (5): the tool shaft holder (2) After the installation is complete, install the locking mechanism (5) into the knife holder (1), so that the locking mechanism (5) locks the knife shaft holder (2) to prevent the knife shaft holder (2) from loosening; ③ Clamping of the shaft seat (2): After the locking mechanism (5) is installed, the locking mechanism (5) is locked by rotating the chuck (804) to reach the knife shaft seat (2) and the locking mechanism ( 5) Always in tight fit with the tool holder (1).
The method for installing a novel hob cutter system that is easy to replace according to claim 26, characterized in that: when the cutter shaft seat (2) in step ① is in a clamped state in the cutter seat (1), the cutter shaft seat (2) The wedge surface A (6021) on the upper part (6021) and the wedge surface E (702) on the tool holder (1) are wedge-shaped surfaces, and the wedge surface B (6022) on the cutter shaft seat (2) is matched with the tool holder (1). ) The upper D wedge surface (701) is a wedge surface fit.
The method for installing a novel hob cutter system that is easy to replace according to claim 26, characterized in that: after the locking mechanism (5) of step ② is installed in the cutter holder (1), the cutter shaft holder (2) The upper C wedge surface (6023) and the G wedge surface (8011) on the clamping block (801) form a mating surface.
The method for installing a new hob cutter system that is easy to replace according to claim 26, characterized in that: in step ③, the No. I slider (802) and the No. II slider ( 805) moves along the sliding groove of the clamping block (801) to realize the simultaneous extension of No. I slider (802) and No. II slider (805) and snap into the clamping groove in the tool holder (1). The rotating shaft (803) rotates, and the H wedge surface (8051) is matched with the F wedge surface (703) in the clamping groove until the locking mechanism (5) is locked.