CN115570183A - Cutter clamping structure for boring machine - Google Patents
Cutter clamping structure for boring machine Download PDFInfo
- Publication number
- CN115570183A CN115570183A CN202211386773.9A CN202211386773A CN115570183A CN 115570183 A CN115570183 A CN 115570183A CN 202211386773 A CN202211386773 A CN 202211386773A CN 115570183 A CN115570183 A CN 115570183A
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- piece
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- cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The invention provides a tool clamping structure for a boring machine, which comprises a tool rest and a base, wherein the base is provided with a guide block and a connecting device which are matched with a sliding groove of a facing head of the boring machine, and the connecting device is used for limiting a clamp on the boring machine; the connecting device is provided with an annular limiting part, the guide block is matched with the guide groove of the sliding groove, the annular limiting part is matched with the limiting groove of the sliding groove, and the base can be quickly and preliminarily connected with the flat rotating disc under the combined action of the annular limiting part and the guide block; the holding part is provided with a holding cavity for fixing the cutter, so that the use is convenient.
Description
Technical Field
The invention relates to the field of boring machines, in particular to a cutter clamping structure for a boring machine.
Background
The boring machine mainly uses a boring cutter to bore the existing prefabricated holes of a workpiece, generally, the boring cutter rotates into main motion, the boring cutter or the workpiece moves into feed motion, and the boring machine is mainly used for machining high-precision holes or finishing finish machining of a plurality of holes by one-time positioning; the cutter base of the existing boring machine is installed on the facing head through the balancing weight, so that the installation and the disassembly of the cutter base are inconvenient, and meanwhile, because the balancing weight is heavy, when the facing head rotates, the balancing weight can generate stronger centrifugal force, so that the rotating speed of the main shaft can be increased, the main shaft can be easily selected for vibration at this time, and then the cutter can vibrate. Resulting in tool wear and further workpiece accuracy problems.
Disclosure of Invention
The invention provides a tool clamping structure for a boring machine, which is convenient to disassemble and assemble between a tool rest and a base and between the base and a facing head, and is convenient to install due to the fact that an avoiding part is arranged to avoid a tool.
In order to achieve the purpose, the technical scheme of the invention is as follows: a flat rotating disc of a boring machine is provided with a sliding groove, the sliding groove comprises a guide groove and a limiting groove, the limiting groove is arranged on one side of the guide groove and communicated with the guide groove, the width of the limiting groove is larger than that of the guide groove, the tool clamping structure comprises a tool rest and a base, the tool rest is detachably mounted on the base, the base comprises a bottom plate and a fixed seat, and the fixed seat is arranged at the top of the bottom plate; an assembly hole is formed in the fixed seat and penetrates through the fixed seat and the bottom plate; the tool rest comprises a clamping part and an inserting part, one end of the inserting part is connected with the clamping part, and the inserting part is detachably arranged in the assembling hole through a second connecting piece.
Connecting holes are respectively formed in the two ends of the bottom plate, and a guide block is arranged at the bottom of the bottom plate in an outward protruding mode and used for being arranged in the guide groove in a sliding mode; one connecting hole penetrates through the guide block; a connecting device penetrates through the connecting hole and comprises a first connecting piece and a first locking piece, and the first connecting piece penetrates through the connecting hole from the bottom of the bottom plate and is connected with the first locking piece; the peripheral wall of the first connecting piece is convexly provided with an annular limiting piece, and the annular limiting piece is arranged at one end of the first connecting piece, which is far away from the first locking piece; the annular limiting part is arranged in the limiting groove in a sliding mode and limits the base along the axial direction of the assembling hole.
The clamping part comprises a first clamping part, a second clamping part and a blocking part, the first clamping part is arranged on one side of the clamping part, the second clamping part is arranged on the other side of the clamping part, and the blocking part is arranged between the first clamping part and the second clamping part.
The cutter clamping device comprises a first clamping piece, a second clamping piece, a supporting piece, a third connecting piece and a third connecting piece, wherein an accommodating cavity surrounding the supporting piece is formed between the first clamping piece and the second clamping piece, openings are formed in two sides and two end portions of the accommodating cavity, the accommodating cavity is used for installing cutters, more than two cutter fixing holes communicated with the accommodating cavity are formed in the first clamping piece, the third connecting piece is arranged on the cutter fixing holes and used for extending into the accommodating cavity to be in contact with the cutters to fix the cutters.
An avoiding part is connected between the clamping part and the inserting part, and the width of the avoiding part is smaller than that of the clamping part; the avoiding part comprises a first avoiding part and a second avoiding part, the first avoiding part is connected with the first clamping part and the inserting part, the second avoiding part is connected with the second clamping part and the inserting part, and the blocking part extends into the avoiding part and is connected with the first avoiding part and the second avoiding part; form first dodge groove and second and dodge the groove between first dodge piece and second, first dodge the groove set up and keep off one side of piece and with the holding cavity intercommunication, the second dodges the groove set up and keep off the opposite side of piece and with the holding cavity intercommunication.
The sum of the length of the accommodating area and the length of the first avoidance groove is L1, the sum of the length of the clamping part and the length of the avoidance part is L2, and the ratio of L1 to L2 is 6.2.
Above setting, cutter clamping structure passes through the base and constitutes with the knife rest, need not set up the balancing weight, and the structure is light, and then the centrifugal force that produces when facing head is rotatory is little, is difficult to take place vibrations, and machining precision is good. The guide block is arranged on the base and matched with the guide groove, and the sliding groove has a limiting effect on the guide block along the radial direction of the assembling hole; the guide block is arranged in the sliding groove in a sliding mode, and guiding is achieved for the base to be installed on the facing head.
The annular limiting piece is matched with the limiting groove; through connecting device and pedestal connection, cyclic annular locating part slides and sets up in the spacing groove, along the radial direction of pilot hole, spacing groove and spout carry on spacingly to the base simultaneously, advance the guide effect when promoting the mounting base. Under the combined action of the annular limiting part and the guide block, the base can be quickly and preliminarily connected with the facing head.
Because the width of the limiting groove is greater than that of the guide groove, and the annular limiting part is matched with the limiting groove, the size of the annular limiting part is greater than that of the sliding groove, and the sliding groove can limit the annular limiting part along the axial direction of the assembling hole; the limiting groove can limit the annular limiting part along the axial direction of the assembly hole, and can also limit the annular limiting part along the radial direction of the assembly hole. Therefore, the connection reliability of the base and the facing head is good.
The accommodating cavity with the opening is arranged, so that the accommodating cavity is communicated with the outside, and the tool is convenient to disassemble and assemble; meanwhile, the cutter is fixed through the third connecting piece extending into the accommodating cavity, and the structure is simple. A first avoidance groove and a second avoidance groove are formed in the avoidance part, the first avoidance groove is communicated with the first accommodating area, the sum of the length of the accommodating area and the length of the first avoidance groove is L1, the sum of the length of the clamping part and the length of the avoidance part is L2, and the ratio of L1 to L2 is 9; the length of the abutting piece occupies a large ratio on the whole length of the holding part and the inserting part; and then the space that the accommodation region and the first groove intercommunication of dodging formed, the space length that the accommodation region and the second groove intercommunication of dodging formed are big, can the different cutters of holding length like this.
Furthermore, an assembly fixing hole is formed in the fixed seat along the radial direction of the assembly hole, and the assembly fixing hole is communicated with the assembly hole; the flat position that is equipped with along grafting portion length direction and sets up on grafting portion, flat position and assembly fixed orifices correspond, the assembly fixed orifices is equipped with the internal thread, and the second connecting piece is the bolt, and the second connecting piece is installed and is fixed grafting portion in the assembly fixed orifices.
Above setting, through second connecting piece and assembly fixture hole cooperation, realize the stable installation of second connecting piece on the fixing base, the second connecting piece compresses tightly simultaneously and fixes inserting portion on flat position, realizes the stable of knife rest and base and is connected.
Furthermore, the cutter fixing hole is provided with internal threads, and the third connecting piece is a bolt. Therefore, the structure is simple and the connection is stable.
Furthermore, a connecting part is connected between one end of the first avoiding part close to the inserting part and one end of the second avoiding part close to the inserting part, the connecting part is connected with the inserting part, and the abutting part is connected with the connecting part.
Above setting, through forming connecting portion, the piece is connected with connecting portion to keeping off simultaneously, promotes the intensity of dodging the portion.
Furthermore, one side of the connecting part close to the stop part is a plane.
Above setting, the end of cutter with be used for the plane contact time, produce frictional force between connecting portion and the cutter, promote the cutter under the effect of frictional force and install the stability at first holding area or second holding area.
Furthermore, the connecting part is arranged in a protruding mode outwards along the vertical direction of the length direction of the inserting part. This can increase the contact area of the cutter with the connecting portion.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the base of the present invention. .
Fig. 3 is a top view of the base of the present invention.
FIG. 4 is a front view of the base of the present invention
Fig. 5 is a top view of the tool holder of the present invention.
Fig. 6 is a cross-sectional view of a tool holder according to the present invention.
Fig. 7 is a front view of a blade holder according to the invention.
Fig. 8 is a schematic view of a first connecting member according to the present invention.
Fig. 9 is a schematic view of a chute in a facing head.
Fig. 10 is a schematic view of the present invention in connection with a facing head.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-10; a cutter clamping structure for a boring machine is mounted on the boring machine for use, referring to fig. 9 and 10, a facing head 1 of the boring machine is provided with a sliding groove 11, the sliding groove 11 comprises a guide groove 12 and a limiting groove 13, the limiting groove 13 is arranged on one side of the guide groove 12 and is communicated with the guide groove 12, and the width of the limiting groove 13 is larger than that of the guide groove 12.
The cutter clamping structure comprises a cutter frame 2 and a base 3, wherein the cutter frame 2 is detachably mounted on the base 3, the base 3 comprises a bottom plate 31 and a fixed seat 32, and the fixed seat 32 is arranged at the top of the bottom plate 31; an assembly hole 33 is formed in the fixed seat 32, and the assembly hole 33 penetrates through the fixed seat 32 and the bottom plate 31; the tool holder 2 comprises a clamping part 21 and an insertion part 22, one end of the insertion part 22 is connected with the clamping part 21, and the insertion part 22 is detachably arranged in the assembly hole 33 through a second connecting piece 4.
In the present embodiment, the fitting fixing holes 34 are provided on the fixing base 32 in the radial direction of the fitting holes 33, and in the present embodiment, two fitting fixing holes 34 are provided. The fitting fixing hole 34 communicates with the fitting hole 33; the inserting part 22 is provided with a flat position 221 arranged along the length direction of the inserting part 22, the flat position 221 corresponds to the assembling and fixing hole 34, the assembling and fixing hole 34 is provided with internal threads, the second connecting piece 4 is a bolt, and the second connecting piece 4 is installed in the assembling and fixing hole 34 to fix the inserting part 22. Through the cooperation of second connecting piece 4 and assembly fixed orifices 34, realize the stable installation of second connecting piece 4 on fixing base 32, second connecting piece 4 compresses tightly simultaneously and fixes inserting part 22 on flat position 221, realizes the stable connection of knife rest 2 and base 3.
The bottom plate 31 has two connecting holes 35 at both ends thereof, and in this embodiment, two connecting holes 35 are provided at one end of the bottom plate 31, and two connecting holes 35 are provided at the other end of the bottom plate 31. A guide block 36 is convexly arranged at the bottom of the bottom plate 31 outwards, and the guide block 36 is used for being arranged in the guide groove 12 in a sliding manner; a guide block 36 is arranged on the base 3, the guide block 36 is matched with the guide groove 12, and the sliding groove 11 plays a limiting role on the guide block 36 along the radial direction of the assembling hole 33; the guide block 36 is slidably arranged in the sliding groove 11 to guide the base 3 to be mounted on the facing head 1.
Two connecting holes 35 at one end of the bottom plate 31 are arranged through the guide block 36; a connecting device 5 is arranged on the connecting hole 35 in a penetrating manner, the connecting device 5 comprises a first connecting piece 51 and a first locking piece 52, and the first connecting piece 51 penetrates through the connecting hole 35 from the bottom of the bottom plate 31 to be connected with the first locking piece 52; in the present embodiment, the first connecting member 51 is a bolt, and the first locking member 52 is a nut. An annular limiting piece 511 is convexly arranged on the peripheral wall of the first connecting piece 51, and the annular limiting piece 511 is arranged at one end of the first connecting piece 51 far away from the first locking piece 52; the annular limiting member 511 is slidably disposed in the limiting groove 13 and limits the base 3 along the axial direction of the assembly hole 33. The annular limiting piece 511 is matched with the limiting groove 13; through connecting device 5 and base 3 be connected, annular locating part 511 slides and sets up in spacing groove 13, along the radial direction of pilot hole 33, and spacing groove 13 and spout 11 carry out spacingly to base 3 simultaneously, advance the guide effect when promoting installation base 3. Under the combined action of the ring-shaped limiting piece 511 and the guide block 36, the base 3 can be quickly and preliminarily connected with the facing head 1.
Because the width of the limiting groove 13 is greater than that of the guide groove 12, and the annular limiting piece 511 is matched with the limiting groove 13, the size of the annular limiting piece 511 is greater than that of the sliding groove 11, and the sliding groove 11 limits the annular limiting piece 511 along the axial direction of the assembly hole 33; the stopper groove 13 can restrict the annular stopper 511 in both the axial direction of the fitting hole 33 and the radial direction of the fitting hole 33. Thus, the base 3 and the facing head 1 are connected with good reliability.
The clamping portion 21 includes a first clamping member 211, a second clamping member 212 and a resisting member 213, the first clamping member 211 is disposed on one side of the clamping portion 21, the second clamping member 212 is disposed on the other side of the clamping portion 21, and the resisting member 213 is disposed between the first clamping member 211 and the second clamping member 212.
A receiving cavity 214 provided around the stopper 213 is formed between the first and second holders 211 and 212, and as shown in fig. 6, openings are provided at both sides and both end portions of the receiving cavity 214; the receiving cavity 214 includes a first receiving area 215, a second receiving area 216, and a third receiving area 217; the first accommodating area 215 is arranged on one side of the blocking piece 213, the second accommodating area 216 is arranged on the other side of the blocking piece 213, and the third accommodating area 217 is arranged at one end of the blocking piece 213 and is communicated with the first accommodating area 215 and the second accommodating area 216; one end of the first receiving region 215 overlaps one end of the third receiving region 217, and one end of the second receiving region 216 overlaps one end of the third receiving region 217.
The first clamping piece 211 is provided with two or more tool fixing holes 23, the first accommodating area 215, the second accommodating area 216 and the third accommodating area 217 are respectively communicated with the at least two tool fixing holes 23, and the tool fixing holes 23 are provided with third connecting pieces 6 for fixing tools. In this embodiment, the tool fixing hole 23 is provided with an internal thread, and the third connecting member 6 is a bolt. Therefore, the structure is simple and the connection is stable.
A first accommodation area 215, a second accommodation area 216 and a third accommodation area 217 are formed on the clamping part 21 by providing the clamping part 21 for fixing the cutter; in this way, the tool is arranged in the first accommodation area 215, the second accommodation area 216 or the third accommodation area 217 for different machining requirements; the operation is convenient; the stop member 213 plays a role of supporting the first clamping member 211 and the second clamping member 212, so as to improve the overall strength of the tool holder 2, and at the same time, when a tool is mounted, the tool is stopped by the stop member 213; the tool is convenient to be initially installed on the clamping part 21, and then the tool is fixed through the third connecting piece 6 to realize the stable connection between the tool and the clamping part 21; the cutter is convenient to install.
An avoiding part 24 is connected between the clamping part 21 and the inserting part 22, the avoiding part 24 comprises a first avoiding piece 241 and a second avoiding piece 242, the first avoiding piece 241 is connected with the first clamping piece 211 and the inserting part 22, the second avoiding piece 242 is connected with the second clamping piece 212 and the inserting part 22, and the blocking piece 213 extends into the avoiding part 24 and is connected with the first avoiding piece 241 and the second avoiding piece 242.
A first avoiding groove 244 and a second avoiding groove 245 are formed between the first avoiding member 241 and the second avoiding member 242, the first avoiding groove 244 is disposed at one side of the stopper 213 and is communicated with the first accommodating area 215, and the second avoiding groove 245 is disposed at the other side of the stopper 213 and is communicated with the second accommodating area 216.
The length of the first avoidance groove is equal to that of the second avoidance groove; the sum of the length of the accommodating area and the length of the first avoidance groove is L1, the sum of the length of the clamping part and the length of the avoidance part is L2, and the ratio of L1 to L2 is 6.2.
The first avoiding groove 244 is communicated with the first accommodating area 215, and the second avoiding groove 245 is communicated with the second accommodating area 216; thus, when the tool is clamped in the first accommodation region 215 and the second accommodation region 216, the tool can extend into the first avoidance groove 244 and the second avoidance groove 245, so as to avoid the tool; because the sum of the length of the accommodating area and the length of the first avoidance groove is L1, the sum of the length of the clamping part and the length of the avoidance part is L2, and the ratio of L1 to L2 is 9; the length of the abutting piece occupies a large ratio on the whole length of the holding part and the inserting part; and then the space that the accommodation region and the first groove intercommunication of dodging formed, the space length that the accommodation region and the second groove intercommunication of dodging formed are big, can the different cutters of holding length like this.
A connecting portion 243 is connected between one end of the first avoiding portion 24 close to the plugging portion 22 and one end of the second avoiding portion 24 close to the plugging portion 22, the connecting portion 243 is connected with the plugging portion 22, and the blocking member 213 is connected with the connecting portion 243. By forming the connecting portion 243 and connecting the stopper 213 to the connecting portion 243, the strength of the escape portion 24 is increased.
In the present embodiment, a side of the connecting portion 243 close to the stopper 213 is a plane. When the end of the tool is in contact with the plane, a friction force is generated between the connecting portion 243 and the tool, and the stability of the tool mounted in the first receiving area 215 or the second receiving area 216 is improved by the friction force.
In this embodiment, the connecting portion 243 protrudes outward in a direction perpendicular to the longitudinal direction of the insertion portion 22. This can increase the contact area of the cutter with the connecting portion 243.
The assembling method of the cutter clamping structure for the boring machine comprises the following steps:
s1, corresponding an assembly fixing hole of a base fixing seat on a flat position of a tool rest insertion part;
s2, installing the tool rest inserting part in the assembling hole of the base;
s3, mounting and locking a second connecting piece on the assembly fixing hole, wherein the second connecting piece fixes the inserting part in the fixing part;
s4, installing and inserting a first connecting piece on the bottom plate, wherein the first connecting piece penetrates through the connecting hole to be connected with the first locking piece and locks the first connecting piece;
s5, repeating S4, and after the connecting devices are installed on the four connecting holes, performing S6;
s6, enabling the guide block to correspond to the guide groove, and enabling the annular limiting piece to correspond to the limiting groove;
s7, presetting an installation position on the facing head, slidably installing the cutter clamping structure on the facing head, and locking the cutter clamping structure by the facing head when the cutter clamping structure moves to the installation position; in this embodiment, the method of locking the tool holding structure by the facing head is prior art and will not be described herein.
S8, installing a cutter in the clamping part, and if the cutter is installed in the first accommodating area, carrying out S9; if a cutter is installed in the second accommodating area, S10 is carried out; if a tool is installed in the third accommodating area, S11 is carried out;
s9, enabling the tool shank end of the tool to correspond to the first avoidance groove, and enabling the tool tip end of the tool to extend out of the clamping part; attaching the side wall of the cutter to the resisting piece; then adjusting the position of the cutter; and then, a third connecting piece is arranged in the cutter fixing hole corresponding to the first accommodating area and locked, and the cutter is fixed in the clamping part by the third connecting piece.
S10, enabling the cutter handle end of the cutter to correspond to the second avoidance groove, and enabling the cutter tip end of the cutter to extend out of the clamping part; attaching the side wall of the cutter to the resisting part; then adjusting the position of the cutter; and then, a third connecting piece is arranged in the cutter fixing hole corresponding to the second accommodating area and locked, and the cutter is fixed in the clamping part by the third connecting piece.
S11, enabling a cutter handle end of the cutter to correspond to the first accommodating area, enabling a cutter point end of the cutter to correspond to the second accommodating area, and enabling a cutter point end of the cutter to extend out of the clamping part; attaching the side wall of the cutter to the resisting part; then adjusting the position of the cutter; and then, a third connecting piece is arranged in the cutter fixing hole corresponding to the third accommodating area and locked, and the cutter is fixed in the clamping part by the third connecting piece.
Claims (6)
1. The utility model provides a cutter clamping structure for boring machine, the facing head of boring machine is equipped with the spout, the spout includes guide way and spacing groove, the spacing groove setting in one side of guide way and with the guide way intercommunication, the width of spacing groove is greater than the width of guide way, cutter clamping structure includes knife rest and base, knife rest demountable installation on the base, its characterized in that: the base comprises a bottom plate and a fixed seat, and the fixed seat is arranged at the top of the bottom plate; an assembly hole is formed in the fixed seat and penetrates through the fixed seat and the bottom plate; the tool rest comprises a clamping part and an inserting part, one end of the inserting part is connected with the clamping part, and the inserting part is detachably arranged in the assembling hole through a second connecting piece;
the two ends of the bottom plate are respectively provided with a connecting hole, the bottom of the bottom plate is outwards provided with a guide block in a protruding mode, and the guide block is arranged in the guide groove in a sliding mode; one connecting hole penetrates through the guide block; a connecting device penetrates through the connecting hole and comprises a first connecting piece and a first locking piece, and the first connecting piece penetrates through the connecting hole from the bottom of the bottom plate and is connected with the first locking piece; the peripheral wall of the first connecting piece is convexly provided with an annular limiting piece, and the annular limiting piece is arranged at one end of the first connecting piece, which is far away from the first locking piece; the annular limiting piece is arranged in the limiting groove in a sliding mode and limits the base along the axial direction of the assembling hole;
the clamping part comprises a first clamping piece, a second clamping piece and a blocking piece, the first clamping piece is arranged on one side of the clamping part, the second clamping piece is arranged on the other side of the clamping part, and the blocking piece is arranged between the first clamping piece and the second clamping piece;
an accommodating cavity arranged around the blocking piece is formed between the first clamping piece and the second clamping piece, openings are formed in two sides and two end portions of the accommodating cavity, the accommodating cavity is used for mounting a cutter, more than two cutter fixing holes communicated with the accommodating cavity are formed in the first clamping piece, a third connecting piece is arranged on each cutter fixing hole and used for extending into the accommodating cavity to be in contact with the cutter to fix the cutter;
an avoiding part is connected between the clamping part and the inserting part, and the width of the avoiding part is smaller than that of the clamping part; the avoiding part comprises a first avoiding part and a second avoiding part, the first avoiding part is connected with the first clamping part and the inserting part, the second avoiding part is connected with the second clamping part and the inserting part, and the blocking part extends into the avoiding part and is connected with the first avoiding part and the second avoiding part; a first avoidance groove and a second avoidance groove are formed between the first avoidance piece and the second avoidance piece, the first avoidance groove is arranged on one side of the blocking piece and communicated with the accommodating cavity, and the second avoidance groove is arranged on the other side of the blocking piece and communicated with the accommodating cavity;
the sum of the length of the accommodating area and the length of the first avoidance groove is L1, the sum of the length of the clamping part and the length of the avoidance part is L2, and the ratio of L1 to L2 is 9.
2. The tool holding structure for a boring machine according to claim 1, wherein: an assembly fixing hole is formed in the fixing seat along the radial direction of the assembly hole and communicated with the assembly hole; the flat position arranged along the length direction of the inserting part is arranged on the inserting part and corresponds to the assembly fixing hole, the assembly fixing hole is provided with internal threads, the second connecting piece is a bolt, and the second connecting piece is arranged in the assembly fixing hole to fix the inserting part.
3. The tool holding structure for a boring machine according to claim 1, wherein: the cutter fixing hole is provided with internal threads, and the third connecting piece is a bolt.
4. The tool holding structure for a boring machine according to claim 1, wherein: the first avoidance part is connected with the connecting part between one end close to the inserting part and one end close to the inserting part of the second avoidance part, the connecting part is connected with the inserting part, and the abutting part is connected with the connecting part.
5. The tool holding structure for a boring machine according to claim 4, wherein: one side of the connecting part close to the stop piece is a plane.
6. The tool holding structure for a boring machine according to claim 4, wherein: the connecting part is arranged in a protruding mode outwards along the vertical direction of the length direction of the inserting part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211386773.9A CN115570183A (en) | 2022-11-07 | 2022-11-07 | Cutter clamping structure for boring machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211386773.9A CN115570183A (en) | 2022-11-07 | 2022-11-07 | Cutter clamping structure for boring machine |
Publications (1)
Publication Number | Publication Date |
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CN115570183A true CN115570183A (en) | 2023-01-06 |
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ID=84588559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202211386773.9A Pending CN115570183A (en) | 2022-11-07 | 2022-11-07 | Cutter clamping structure for boring machine |
Country Status (1)
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CN (1) | CN115570183A (en) |
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2022
- 2022-11-07 CN CN202211386773.9A patent/CN115570183A/en active Pending
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