CN209818066U - Novel hobbing cutter system easy to replace - Google Patents
Novel hobbing cutter system easy to replace Download PDFInfo
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- CN209818066U CN209818066U CN201920595908.XU CN201920595908U CN209818066U CN 209818066 U CN209818066 U CN 209818066U CN 201920595908 U CN201920595908 U CN 201920595908U CN 209818066 U CN209818066 U CN 209818066U
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- cutter
- wedge
- shaft seat
- cutter shaft
- hob
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Abstract
The utility model discloses a novel hobbing cutter system of easily changing, the technical problem of solution need many people to cooperate when present disc cutter dismantles to accomplish, wastes time and energy, and this kind of mounting means is difficult to realize the automation that the cutter was changed. The utility model comprises a knife holder, a knife shaft seat is arranged in the knife holder, a hob is arranged on the knife shaft seat, and a locking device is arranged on the knife shaft seat; the locking device comprises a screw and a sliding block, the upper end of the screw is connected with the sliding block, and the lower end of the screw is connected with the cutter shaft seat. The utility model discloses make installation, locking and the removal process of hobbing cutter simpler, be convenient for realize the automation that the cutter was changed, realize for high-efficient safe "robot changing people" operation mode that the cutter detects and the tool changing operation provides technical support.
Description
Technical Field
The utility model relates to a tunnel construction field, concretely relates to tunnel boring machine is with novel hobbing cutter system of easily changing.
Background
The cutter consumption is big, the change is frequent in the full-face entry driving machine work progress, and cutter detection and tool changing operating time account for tunnel construction cycle more than 10%, and current cutter detects and tool changing work mainly relies on manual work, and the operation potential safety hazard under construction environment such as big buried depth, high water pressure is big, major incident such as casualties easily appears. According to statistics, nearly 70% of tunnel construction safety accidents are directly related to manual tool changing operation, and international industrial problems of 'difficult detection and tool changing' become bottlenecks which restrict tunnel construction safety and efficiency under complex geological conditions. At present, huge market demands of tunnels such as subways, highways, railways and the like put higher requirements on the construction efficiency and safety of full-face tunneling equipment.
At present, the disc cutters of the shield tunneling machine and the TBM are mainly fixed on the cutter seats in a mode of connecting C-shaped blocks and bolts, the mode has high reliability, but the mode needs to be completed by cooperation of a plurality of people during disassembly, time and labor are wasted, and the automation of cutter replacement is difficult to realize by the installation mode. Therefore, the tool detection and tool changing operation is imperative to be realized in a high-efficiency and safe 'robot changing' operation mode.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that need many people to cooperate when dismantling present disc cutter and accomplish, waste time and energy, and this kind of mounting means is difficult to realize the automation that the cutter was changed, provides a novel hobbing cutter system of easily changing.
In order to solve the technical problem, the utility model adopts the following technical scheme: a novel hob cutter system easy to replace comprises a cutter holder, wherein a cutter shaft seat is arranged in the cutter holder, a hob is arranged on the cutter shaft seat, and a locking device is arranged on the cutter shaft seat; the locking device comprises a screw and a sliding block, the upper end of the screw is connected with the sliding block, and the lower end of the screw is connected with the cutter shaft seat.
A limiting block is arranged on the cutter holder, and a V-shaped wedge-shaped surface is arranged on the outer side of the limiting block; the cutter shaft seat is provided with a cutter shaft sliding groove, and the sliding block is arranged in the cutter shaft sliding groove.
The lower end of the screw is a spherical surface, a conical surface or a cylindrical surface, and the lower end of the screw is connected with the cutter shaft seat.
The slider on be equipped with VI No. wedge face, VI No. wedge face cooperatees with V No. wedge face.
The screw rod is in threaded connection with the sliding block.
The upper part of the sliding block is provided with a cylindrical groove, and the upper end of the screw rod penetrates through the sliding block and then extends into the cylindrical groove.
The cutter shaft seat both ends be equipped with outstanding piece, outstanding piece surface is No. I wedge face, outstanding piece upper surface is No. II wedge faces.
The cutter holder is a cylindrical barrel, a convex ring is arranged on the inner wall of the cutter holder, and a limiting sliding groove is formed between the convex ring and the limiting block; the bottom surface of the limiting sliding chute is a No. III wedge-shaped surface, and the upper side surface of the limiting sliding chute is a No. IV wedge-shaped surface; the No. III wedge-shaped surface is matched with the No. I wedge-shaped surface, and the No. IV wedge-shaped surface is matched with the No. II wedge-shaped surface.
A method for installing a novel hob cutter system easy to replace comprises the following steps: mounting a hob: firstly, a cutter shaft seat with a hob is arranged in a cutter seat, and the cutter shaft seat is rotated when the cutter shaft seat reaches a limited position until the cutter shaft seat is in a clamping state in the cutter seat;
locking the locking device: the screw rod on the locking device is rotated to enable the sliding block to move in the cutter shaft sliding groove on the cutter shaft seat, and when the sliding block extends out and reaches a limited position, the sliding block can abut against the V-shaped wedge surface on the cutter seat, so that the cutter shaft seat and the cutter seat are in a tight fit state.
When the cutter shaft seat is in a clamping state in the cutter seat, a No. I wedge surface on the cutter shaft seat is matched with a No. III wedge surface on the cutter seat, and a No. II wedge surface on the cutter shaft seat is matched with a No. IV wedge surface on the cutter seat until the cutter shaft seat is in the clamping state in the cutter seat.
The utility model discloses be blade holder, cutter and locking device respectively with hobbing cutter system design for the triplex for traditional cutter system structure has been changed completely to the installation of hobbing cutter, locking and demolish the process simpler, be convenient for realize the automation that the cutter was changed, realize for high-efficient safe "robot trades people" operation mode that the cutter detected and the tool changing operation provides technical support.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the tool holder of the present invention matching with the tool post;
FIG. 3 is a schematic view of the internal structure of the knife holder of the present invention;
FIG. 4 is a schematic view of the structure of the tool holder of the present invention;
FIG. 5 is a schematic view of the structure of the tool holder, the locking device and the tool post;
fig. 6 is a schematic structural view of the locking device of the present invention;
FIG. 7 is a schematic structural view of the state of the tool post base installed in the tool holder of the present invention;
FIG. 8 is a structural diagram illustrating a rotation and clamping state of the tool holder according to the present invention;
fig. 9 is a structural schematic diagram of the state that the locking device of the present invention is locked into the tool holder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1 to 9, a novel hob cutter system easy to replace comprises a cutter base 3, a cutter shaft base 2 is arranged in the cutter base 3, a hob 1 is arranged on the cutter shaft base 2, and a locking device 4 is arranged on the cutter shaft base 2; the locking device 4 comprises a screw 401 and a sliding block 402, the upper end of the screw 401 is connected with the sliding block 402, and the lower end of the screw 401 is connected with the cutter shaft seat 2. The hob 1 is fixedly connected to the hob shaft seat 2, the hob shaft seat 2 is installed in the hob base 3, and the locking device 4 is clamped in a clamping groove in the hob shaft seat 2 to prevent the hob 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 401 is provided with a chuck, and the screw is screwed by adopting a robot end effector in a matching way, so that the automatic installation and the disassembly of a cutter system are facilitated.
A limiting block 305 is arranged on the cutter holder 3, and a V-shaped wedge surface 303 is arranged on the outer side of the limiting block 305; the cutter shaft seat 2 is provided with a cutter shaft sliding groove 203, and the sliding block 402 is arranged in the cutter shaft sliding groove 203.
The lower end of the screw 401 is a spherical surface, a conical surface or a cylindrical surface, and the lower end of the screw 401 is connected with the cutter shaft seat 2. The lower end of the screw 401 is clamped in the cutter shaft seat 2, and can drive the sliding block 402 to slide upwards or downwards by taking the cutter shaft seat 2 as the bottom surface.
The slider 402 is provided with a VI wedge surface 403, and the VI wedge surface 403 is matched with the V wedge surface 303.
The screw 401 is in threaded connection with the slider 402. A screw 401 on the locking device 4 is connected with a sliding block 402 through threads, the screw 401 on the locking device 4 is connected with the cutter shaft seat 2 through a bottom rotating surface such as a spherical surface, a conical surface, a cylindrical surface and the like, the screw 401 rotates, and the sliding block moves in the cutter shaft sliding groove 203 and extends out of the cutter shaft sliding groove 203; the knife shaft chute 203 extends to abut against the V-shaped wedge surface 303, so that the knife shaft seat 2 is prevented from axially rotating.
The upper part of the sliding block 402 is provided with a cylindrical groove 404, and the upper end of the screw 401 penetrates through the sliding block 402 and then extends into the cylindrical groove 404. The upper end of the screw 401 does not extend out of the cylindrical groove 404, so that the cutter shaft seat installation is prevented from being influenced, and when the screw is screwed, the screwing device needs to extend into the cylindrical groove to be in contact with the upper end of the screw.
The two ends of the cutter shaft seat 2 are provided with protruding blocks 204, the outer surfaces of the protruding blocks 204 are provided with I-shaped wedge surfaces 201, and the upper surfaces of the protruding blocks 204 are provided with II-shaped wedge surfaces 202.
The tool apron 3 is a cylindrical tube, a convex ring 304 is arranged on the inner wall of the tool apron 3, and a limiting sliding groove 306 is formed between the convex ring 304 and a limiting block 305; the bottom surface of the limiting sliding groove 306 is a No. III wedge-shaped surface 301, and the upper side surface of the limiting sliding groove 306 is a No. IV wedge-shaped surface 302; no. III wedge-face 301 is matched with No. I wedge-face 201, and No. IV wedge-face 302 is matched with No. II wedge-face 202. The knife shaft seat is arranged in the knife seat and then slides in the limit sliding groove by taking the convex ring 304 as a support.
A method for installing a novel hob cutter system easy to replace comprises the following steps: mounting a hob: firstly, a cutter shaft seat 2 with a hob is arranged in a cutter seat 3, and the cutter shaft seat 2 is rotated when the cutter shaft seat reaches a limited position until the cutter shaft seat 2 is in a clamping state in the cutter seat 3; as shown in fig. 7 and 8.
Locking of the locking device 4: the screw 401 on the locking device 4 is rotated to move the slider 402 in the knife-axis chute 203 on the knife-axis seat 2, and when the slider 402 extends out and reaches a limited position, it will abut against the V-shaped wedge surface 303 on the knife seat 3, so that the knife-axis seat 2 and the knife seat 3 are in a tight fit state, as shown in fig. 9.
When the tool spindle seat 2 is in a clamped state in the tool holder 3, the wedge-shaped surface I202 on the tool spindle seat 2 is matched with the wedge-shaped surface III 303 on the tool holder 3, and the wedge-shaped surface II 203 on the tool spindle seat 2 is matched with the wedge-shaped surface IV 304 on the tool holder 3 until the tool spindle seat 2 is in a clamped state in the tool holder 3.
The utility model discloses a removal process of hobbing cutter tool system is opposite with above-mentioned installation: when the cutter system is disassembled, firstly, a screw 401 in the cutter locking device 4 is screwed, so that an inclined plane on a sliding block 402 is separated from a V-shaped wedge surface 303 on a cutter seat 3 until the sliding block 402 is in a state of retracting into a cutter shaft seat 2; then the cutter shaft seat 2 is rotated to make the fit between the cutter shaft seat 2 and the cutter holder 3 loose, and the assembly body of the cutter shaft seat 2 and the hob 1 is taken out.
Claims (8)
1. The utility model provides a novel hobbing cutter system that easily changes which characterized in that: the automatic cutter comprises a cutter seat (3), wherein a cutter shaft seat (2) is arranged in the cutter seat (3), a hob (1) is arranged on the cutter shaft seat (2), and a locking device (4) is arranged on the cutter shaft seat (2); the locking device (4) comprises a screw rod (401) and a sliding block (402), the upper end of the screw rod (401) is connected with the sliding block (402), and the lower end of the screw rod (401) is connected with the cutter shaft seat (2).
2. The new easy-to-replace hob cutter system according to claim 1, characterized in that: a limiting block (305) is arranged on the cutter holder (3), and a V-shaped wedge-shaped surface (303) is arranged on the outer side of the limiting block (305); the cutter shaft seat (2) is provided with a cutter shaft sliding groove (203), and the sliding block (402) is arranged in the cutter shaft sliding groove (203).
3. The new easy-to-replace hob cutter system according to claim 2, characterized in that: the lower end of the screw rod (401) is a spherical surface, a conical surface or a cylindrical surface, and the lower end of the screw rod (401) is connected with the cutter shaft seat (2).
4. The new easy-to-replace hob cutter system according to claim 2, characterized in that: the slider (402) is provided with a VI wedge-shaped surface (403), and the VI wedge-shaped surface (403) is matched with the V wedge-shaped surface (303).
5. The new easy-to-replace hob cutter system according to claim 4, characterized in that: the screw rod (401) is in threaded connection with the sliding block (402).
6. The new easy-to-replace hob cutter system according to claim 2, characterized in that: the upper portion of the sliding block (402) is provided with a cylindrical groove (404), and the upper end of the screw rod (401) penetrates through the sliding block (402) and then extends into the cylindrical groove (404).
7. The new easy-to-replace hob cutter system according to claim 2, characterized in that: protruding blocks (204) are arranged at two ends of the cutter shaft seat (2), the outer surfaces of the protruding blocks (204) are I-shaped wedge surfaces (201), and the upper surfaces of the protruding blocks (204) are II-shaped wedge surfaces (202).
8. The new easy-to-replace hob cutter system according to claim 7, characterized in that: the cutter holder (3) is a cylindrical barrel, a convex ring (304) is arranged on the inner wall of the cutter holder (3), and a limiting sliding groove (306) is formed between the convex ring (304) and a limiting block (305); the bottom surface of the limiting sliding groove (306) is a III-type wedge surface (301), and the upper side surface of the limiting sliding groove (306) is an IV-type wedge surface (302); no. III wedge-shaped surface (301) is matched with the No. I wedge-shaped surface (201), and No. IV wedge-shaped surface (302) is matched with the No. II wedge-shaped surface (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595908.XU CN209818066U (en) | 2019-04-28 | 2019-04-28 | Novel hobbing cutter system easy to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595908.XU CN209818066U (en) | 2019-04-28 | 2019-04-28 | Novel hobbing cutter system easy to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818066U true CN209818066U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920595908.XU Active CN209818066U (en) | 2019-04-28 | 2019-04-28 | Novel hobbing cutter system easy to replace |
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| CN (1) | CN209818066U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915161A (en) * | 2019-04-28 | 2019-06-21 | 中铁工程装备集团有限公司 | A kind of New Kind of Hob tooling system being easily changed and its installation method |
| WO2020220850A1 (en) * | 2019-04-28 | 2020-11-05 | 中铁工程装备集团有限公司 | New easily replaceable hob cutter system and installation method thereof |
-
2019
- 2019-04-28 CN CN201920595908.XU patent/CN209818066U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915161A (en) * | 2019-04-28 | 2019-06-21 | 中铁工程装备集团有限公司 | A kind of New Kind of Hob tooling system being easily changed and its installation method |
| WO2020220850A1 (en) * | 2019-04-28 | 2020-11-05 | 中铁工程装备集团有限公司 | New easily replaceable hob cutter system and installation method thereof |
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