CN113500218A - Adjustable boring cutter capable of preventing diameter change caused by mistaken touch - Google Patents
Adjustable boring cutter capable of preventing diameter change caused by mistaken touch Download PDFInfo
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- CN113500218A CN113500218A CN202111018206.3A CN202111018206A CN113500218A CN 113500218 A CN113500218 A CN 113500218A CN 202111018206 A CN202111018206 A CN 202111018206A CN 113500218 A CN113500218 A CN 113500218A
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- tool apron
- cavity
- liquid channel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
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Abstract
The invention discloses an adjustable boring cutter capable of preventing diameter from being touched by mistake, and belongs to the field of machining cutters. An adjustable boring cutter capable of preventing mistaken touch and diameter change comprises a base, a left cutter holder, a right cutter holder, a driving unit and a liquid channel, wherein the bottom ends of the left cutter holder and the right cutter holder are fixedly provided with same L-shaped sliding blocks, the upper end of the base is provided with a corresponding L-shaped sliding groove, the L-shaped sliding blocks are embedded in the L-shaped sliding grooves and are in sliding connection with the L-shaped sliding grooves, a driving cavity is arranged on the periphery of the base, the driving unit is embedded in the driving cavity and is communicated with the liquid channel, the driving unit can drive hydraulic oil in the liquid channel, so that the driving plate moves under the action of oil pressure, the left tool apron and the right tool apron can move simultaneously, the diameter of the cutter is more accurate, the buffer distance needs to be compressed when the diameter of the cutter is adjusted, the dimension error of the cutter caused by mistakenly touching an adjusting structure is prevented, simultaneously, the left tool apron and the right tool apron can be independently controlled to move, and the problem that the diameters of the blades on two sides are different due to unilateral abrasion or original tool size error is solved.
Description
Technical Field
The invention belongs to the field of machining cutters, and particularly relates to an adjustable boring cutter capable of preventing diameter from being touched by mistake.
Background
A boring cutter is one kind of boring cutter.
The double-edge boring cutter is provided with two cutter teeth which are distributed on two sides of the center and cut simultaneously, and the cutting amount can be increased and the production efficiency is high because the radial force generated during cutting is balanced mutually.
The double-blade boring cutter is divided into a floating boring cutter and a fixed boring cutter according to whether the blade floats on the boring rod or not.
The floating boring cutter is suitable for finish machining of holes. It is practically equivalent to a reamer and can bore holes with high dimensional accuracy and smooth surfaces, but cannot correct the linearity deviations of the holes. In order to increase the regrinding times, floating boring cutters are often made with adjustable structures.
In most diameter adjusting modes of the existing adjustable boring cutter, cutter teeth on two sides are required to be adjusted respectively, so that the radiuses of the cutter teeth on the two sides relative to the axis of the boring cutter are consistent, and the consistent cutting amount of the cutter teeth on the two sides during machining and cutting can be ensured.
Debugging personnel are when debugging cutter diameter, and the mistake is touched the adjustment structure easily, leads to making mistakes to the cutter size of good diameter, makes the product disability rate that processes out improve, causes the processing accident, has great hidden danger.
Disclosure of Invention
The invention aims to solve the technical problem of providing an adjustable boring cutter capable of preventing diameter from being touched by mistake, which can realize the simultaneous movement of a left cutter holder and a right cutter holder, so that the diameter of the cutter is more accurate, the buffer distance needs to be compressed when the diameter of the cutter is adjusted, the dimension error of the cutter caused by the mistaken touch of an adjusting structure is prevented, the independent control movement of the left cutter holder and the right cutter holder can be realized, and the problem that the diameters of blades on two sides are different due to single-side abrasion or the dimension error of an original cutter is solved.
The invention discloses an adjustable boring cutter capable of preventing diameter from being touched by mistake.
The bottom ends of the left tool apron and the right tool apron are both fixedly provided with the same L-shaped sliding blocks. The upper end of the base is provided with a corresponding L-shaped sliding chute. The L-shaped sliding block is embedded in the L-shaped sliding groove and is connected with the L-shaped sliding groove in a sliding mode.
A closed liquid channel is arranged in the base, and hydraulic oil is filled in the liquid channel.
A driving plate is connected in the L-shaped sliding groove in a sliding mode. The L-shaped chute is divided into an independent oil cavity and an independent air cavity by the driving plate. The oil cavity is communicated with the liquid channel and is filled with hydraulic oil. The L-shaped sliding block is positioned in the air cavity and is always abutted against the driving plate, so that the L-shaped sliding block and the driving plate can follow up.
The periphery of the base is provided with a driving cavity, the driving unit (4) is connected in the driving cavity in a sealing and sliding mode, the driving cavity is communicated with the liquid channel, and the driving unit can drive hydraulic oil in the liquid channel to enable the driving plate to move under the action of oil pressure.
The driving plates of the left tool apron and the right tool apron are opposite in oil pressure direction, so that the sliding directions of the left tool apron and the right tool apron are parallel, and the left tool apron and the right tool apron always slide oppositely.
As a further improvement of the invention, the device also comprises a selection unit. The selection unit is embedded in the base and is communicated with the liquid channel. The selecting unit comprises a plug, the plug is in sliding connection with the liquid channel, the caliber of the plug is larger than that of the liquid channel, so that the plug can seal the liquid channel after moving into the liquid channel, and an oil cavity corresponding to the left tool apron and/or an oil cavity corresponding to the right tool apron stop entering hydraulic oil.
As a further improvement of the invention, the liquid channel comprises a first channel, a second channel and a third channel. The warp one pass is communicated with the driving cavity through the weft one pass. The first warp channel is communicated with the second warp channel through the second weft channel. The first warp is communicated with the third warp through the third weft. Is communicated with an oil cavity of the right tool apron through two channels. Is communicated with an oil cavity of the left tool apron through three channels. The oil cavity of the left tool apron and the oil cavity of the right tool apron are respectively positioned on the opposite sides relative to the axis of the base. The oil cavity and the liquid channel communicating port of the left cutter holder are positioned on the side close to the axis of the base. The oil cavity and the liquid channel communicating port of the right tool apron are positioned on the side close to the axis of the base.
As a further improvement of the invention, the through part of the periphery of the base is detachably connected with a sealing plug through one pass, two passes, three passes, two and three weft passes.
As a further improvement of the present invention, the driving unit includes a rotating portion and a moving portion. The rotating part is in threaded connection with the driving cavity, the moving part is in sealed sliding connection with the driving cavity, and the rotating part is located on the outer side of the moving part and is always abutted to the moving part. The moving portion is always in contact with the hydraulic oil.
As a further improvement of the invention, the rotating part comprises a connecting rod and a connecting hole. The connecting rod is an outer hexagonal column. The connecting hole is an inner hexagonal hole matched with the connecting rod. A buffer distance is reserved between the connecting rod and the connecting hole. Only when receiving external force, buffer distance shortens, and the connecting rod contacts with the connecting hole and connects the back, and the rotation portion can rotate relative to the drive chamber.
As a further improvement of the present invention, the rotating portion includes a restoring member having a tendency to be retracted after being compressed, and the connecting rod and the connecting hole are connected by the restoring member so that the shortened buffering distance between the connecting rod and the connecting hole can be restored to an initial state in the case of terminating the application of the external force.
As a further improvement of the invention, the restoring member is an air bag. The connecting rod is positioned at the inner bottom end of the air bag. The connecting hole is positioned at the top end in the air bag. The side walls of the bladder are made of an elastic material so that the bladder can freely recover after being compressed.
As a further improvement of the invention, the device also comprises a selection unit. The selection unit includes a left selection portion and a right selection portion. The periphery of the base is provided with a left selection cavity and a right selection cavity. The left selection part and the right selection part are components with the same structure. The left selection part is connected in the left selection cavity in a sliding mode. The right selection part is connected in the right selection cavity in a sliding mode. The left selection cavity is communicated with the three weft paths. The right selection cavity is communicated with the second weft channel. The left selection portion includes a plug. The plug of the left selection part is in sliding connection with the weft three-way pipe, and the caliber of the plug is larger than that of the liquid channel, so that the plug can seal the liquid channel after moving into the liquid channel, and oil inlet of an oil cavity of the left cutter holder is controlled. The plug of the right selection part is in sliding connection with the weft secondary channel to control oil inlet of an oil cavity of the right tool apron.
As a further improvement of the present invention, the left selection portion and the right selection portion are independent members.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the liquid channel is arranged in the base, the rotating part of the driving unit rotates to drive the moving part to move, so that hydraulic oil in the liquid channel is extruded to flow, the driving plate in the L-shaped chute is subjected to flowing oil pressure of the hydraulic oil to drive the L-shaped sliding block to move, and the left tool apron and/or the right tool apron move.
2. According to the invention, the buffer distance is arranged between the connecting rod and the connecting hole of the driving unit, only when an external force is applied, the buffer distance is shortened, the rotating part can rotate relative to the driving cavity after the connecting rod is contacted and connected with the connecting hole, the rotating part can translate after rotating to drive the moving part to move, and finally the flow of hydraulic oil is realized, so that the rotation of the rotating part of the driving unit is effectively ensured to be a prerequisite, and the problem of diameter size error of a cutter caused by mistaken touch of the rotating part is effectively avoided.
3. The plug of the left selection part is in sliding connection with the weft three-way device to control oil inlet of the oil cavity of the left tool apron, the plug of the right selection part is in sliding connection with the weft two-way device to control oil inlet of the oil cavity of the right tool apron, after the plug moves to seal the oil cavity, the oil inlet of the oil cavity of the left tool apron and/or the oil cavity of the right tool apron is stopped, and the left selection part and the right selection part are mutually independent parts and can respectively control the oil inlet of the left tool apron and the oil inlet of the right tool apron, so that debugging personnel can eliminate adverse factors influencing tool size debugging due to single-side blade abrasion or tool original size error and the like, and can autonomously control the movement of the tool apron when the diameter of a tool on one side needs to be debugged.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic perspective cross-sectional view of a first embodiment of the present invention;
FIG. 3 is a schematic plan view of an L-shaped chute according to a first embodiment of the present invention;
FIG. 4 is a schematic plan view of a fluid passage according to a first embodiment of the present invention;
FIG. 5 is a schematic sectional plan view of a first embodiment of the present invention;
FIG. 6 is a schematic sectional plan view of a driving unit according to a first embodiment of the present invention;
fig. 7 is a schematic partial perspective cross-sectional structural view of a driving unit according to a first embodiment of the present invention;
FIG. 8 is a schematic plan view of a fluid passage according to a second embodiment of the present invention;
FIG. 9 is a schematic sectional plan view of a second embodiment of the present invention;
FIG. 10 is a schematic sectional plan view of a selecting unit according to a second embodiment of the present invention;
fig. 11 is a schematic plan sectional view of a plug according to a second embodiment of the present invention when the plug moves.
The reference numbers in the figures illustrate:
the device comprises a base 1, an L-shaped sliding groove 101, a driving plate 102, a left tool apron 2, an L-shaped sliding block 201, a right tool apron 3, a driving unit 4, a rotating part 401, an air bag 401-1, an air port 401-2, a connecting hole 401-3, a rotating hole 401-4, a connecting rod 401-5, a screw rod 401-6, an abutting rod 401-7, a moving part 402, a locking screw 5, a blade 6, a selecting unit 7, a rotating screw 701, a sealing rod 702, a plug 703, a communicating hole 704, a lining 705, a liquid channel 8, a driving cavity 801, a weft channel 802, a warp channel 803, a weft channel 804, a warp channel 805, a weft channel 806, a warp channel 807, a sealing plug 808, a left selecting cavity 809 and a right selecting cavity 810.
Detailed Description
The first embodiment is as follows: referring to fig. 1-7, an adjustable boring tool for preventing diameter from being touched by mistake includes a base 1, a left tool apron 2, a right tool apron 3, a driving unit 4 and a fluid passage 8.
The left tool apron 2 and the right tool apron 3 are components with the same structure. The blade 6 is arranged on the outer edge of the left tool apron 2. The bottom end of the left tool apron 2 is fixedly provided with an L-shaped sliding block 201. The upper end of the base 1 is provided with a corresponding L-shaped chute 101. The L-shaped slider 201 is embedded in the L-shaped chute 101 and slidably connected to the L-shaped chute 101.
The left tool apron 2 and the right tool apron 3 are connected with the base 1 through locking screws 5.
A closed liquid channel 8 is formed in the base 1, and the liquid channel 8 is filled with hydraulic oil.
A driving plate 102 is slidably connected in the L-shaped chute 101. The drive plate 102 divides the L-shaped chute 101 into separate oil and air chambers. The oil chamber is communicated with the liquid channel 8 and is filled with hydraulic oil. The range of movement of the drive plate 102 is such that the oil chamber is always closed to the environment, preventing leakage of hydraulic oil which could cause drive failure. The L-shaped slider 201 is positioned in the air cavity and is always abutted against the driving plate 102, so that the L-shaped slider 201 follows the driving plate 102.
The two L-shaped chutes 101 are symmetrically arranged relative to the axis of the base 1, and the positions of the two L-shaped chutes 101 communicated with the fluid passage 8 are also symmetrical relative to the axis of the base 1, so that the directions of oil pressure applied to the driving plates 102 of the left tool apron 2 and the right tool apron 3 are opposite, the sliding directions of the left tool apron 2 and the right tool apron 3 are parallel, and the left tool apron 2 and the right tool apron 3 always slide reversely relative to each other.
The periphery of the base 1 is provided with a driving cavity 801, the driving unit 4 is embedded in the driving cavity 801, the driving cavity 801 is communicated with the fluid channel 8, and the driving unit 4 can drive hydraulic oil in the fluid channel 8 so as to enable the driving plate 102 to move under the action of oil pressure.
The drive unit 4 includes a rotating portion 401 and a moving portion 402. A thread section and an unthreaded hole section are arranged in the driving cavity 801, the unthreaded hole section is located on the inner side, and the thread section is located on the outer side. The rotating portion 401 is in threaded connection with a threaded section, and the thread depth of the threaded section is the moving length of the rotating portion 401. The moving part 402 is an I-shaped rod, the outer ring of which is sleeved with a sealing ring, the I-shaped rod is connected with the unthreaded hole section in a sealing and sliding mode, and the inner end of the rotating part 401 is always abutted to the outer end of the moving part 402. The inner end of the moving portion 402 is always in contact with the hydraulic oil.
The rotating portion 401 includes an airbag 401-1, a screw rod 401-6, and an abutment rod 401-7.
The air bag 401-1 is rotatably connected to the upper end of the screw rod 401-6, and the air bag 401-1 is rotatable with respect to the screw rod 401-6. The inner top end of the air bag 401-1 is provided with a connecting hole 401-3, and the connecting hole 401-3 is a hexagon socket. The outer top end of the air bag 401-1 is provided with a rotating opening 401-4, and the rotating opening 401-4 is a hexagon socket head socket and can be matched with a hexagon socket wrench for use. The top end of the air bag 401-1 is provided with an air port 401-2 for air outlet and air inlet.
The screw rod 401-6 is provided with screw thread on the periphery for connecting with the screw thread section. The top end of the spiral rod 401-6 is fixedly provided with a connecting rod 401-5, the connecting rod 401-5 is an outer hexagonal column matched with the connecting hole 401-3, and the connecting rod 401-5 is also positioned in the air bag 401-1.
The abutting rod 401-7 is fixedly connected to the bottom end of the spiral rod 401-6, and the bottom end of the abutting rod 401-7 is always abutted to the top end of the I-shaped rod.
In the free state of the air bag 401-1, a certain distance, namely a buffering distance, is reserved between the connecting hole 401-3 and the connecting rod 401-5. The side wall of the air bag 401-1 is made of elastic materials, when the air bag 401-1 is pressed by an axial external force, the side wall of the air bag 401-1 is compressed, the buffer distance is reduced until the connecting hole 401-3 is connected and matched with the connecting rod 401-5, at the moment, a hexagonal wrench is used for matching with the rotating port 401-4, the whole rotating portion 401 can be rotated, the rotating portion 401 integrally moves into the driving cavity 801, and the I-shaped steel is driven to move into the driving cavity 801, so that the purpose of driving hydraulic oil to flow is achieved.
After the external force is stopped being applied to the air bag 401-1, the buffer distance can be returned to the initial state due to the elasticity of the side wall of the air bag 401-1, so that the purpose of rotation can be achieved by shortening the buffer distance before the rotation part 401 is rotated next time. At this time, the acting force of the hydraulic oil on the i-shaped rod and the rotating part 401 is axial, the rotating part 401 cannot move backwards or forwards due to the threaded connection between the rotating part 401 and the driving cavity 801, and the hydraulic oil can flow again only after the rotating part 401 is rotated.
The liquid channel 8 includes a first channel 803, a second channel 805, and a third channel 807. The drive unit 4 is sealingly slidably connected in the drive chamber 801. The warp one 803 is in communication with the drive chamber 801 via the weft one 802. The first warp lane 803 is connected to the second warp lane 805 through the second weft lane 804. The first warp 803 is connected to the third warp 807 by the third weft 806. Is communicated with an oil cavity of the right tool apron 3 through a second passage 805. Is communicated with the oil cavity of the left tool apron 2 through three channels 807. The oil cavity of the left tool apron 2 and the oil cavity of the right tool apron 3 are respectively positioned on the opposite sides relative to the axis of the base 1. The communicating port of the oil cavity of the left tool apron 2 and the liquid channel 8 is positioned at the side close to the axle center of the base 1. The communicating port of the oil cavity of the right tool apron 3 and the liquid channel 8 is positioned at the side close to the axle center of the base 1.
The through parts of the first warp 803, the second warp 805, the third warp 807, the second weft 804 and the third weft 806 are detachably connected with the periphery of the base 1 by sealing plugs 808, so that leakage of hydraulic oil is effectively avoided.
The working principle is as follows:
when the diameters of the left tool apron 2 and the right tool apron 3 need to be adjusted, a hexagonal wrench is used for being matched with a rotating opening 401-4 of the rotating portion 401, axial pressure is applied to force the air bag 401-1 to be compressed, air in the air bag 401-1 is discharged through the air opening 401-2, the buffer distance between the connecting hole 401-3 and the connecting rod 401-5 is shortened, only when the connecting hole 401-3 is in contact fit with the connecting rod 401-5, the hexagonal wrench is rotated at the moment, the screw rod 401-6 can be driven to rotate, otherwise, only the air bag 401-1 rotates at the upper end of the screw rod 401-6, and the rotating portion 401 cannot be axially displaced. When the screw rods 401-6 rotate, the moving portion 402 is driven to axially displace, the axial displacement of the moving portion 402 enables the hydraulic oil sealed in the fluid passage 8 to flow, the flow of the hydraulic oil directly affects the amount of the hydraulic oil in the oil chamber, and when the amount of the hydraulic oil in the oil chamber increases, the driving plate 102 moves towards the outer side of the base 1 and drives the left tool apron 2 and the right tool apron 3 to move towards the outer side of the base 1, so that the purpose of simultaneously increasing the diameter is achieved. On the contrary, when the amount of the hydraulic oil in the oil chamber is reduced, the driving plate 102 moves toward the inner side of the base 1 to drive the left tool apron 2 and the right tool apron 3 to move toward the base 1, so as to achieve the purpose of reducing the diameter at the same time.
The second embodiment is as follows: on the basis of the first embodiment, please refer to fig. 8-11, which illustrate an adjustable boring tool for preventing diameter from being touched by mistake, comprising a selection unit 7. The periphery of the base 1 is provided with a left selection cavity 809 and a right selection cavity 810. The selection unit 7 includes a left selection section and a right selection section. The left selection part and the right selection part are components with the same structure. The left selection portion is slidably connected within the left selection chamber 809. The right selection portion is slidably coupled within the right selection chamber 810. The left selection chamber 809 communicates with the weft three-way 806. The right selection chamber 810 communicates with the second weft lane 804.
The left selection portion and the right selection portion are independent components.
The left selection portion includes a turning screw 701, a sealing rod 702, a plug 703 and a bushing 705.
The plug 703 is slidably connected with the liquid channel 8, and the aperture of the plug 703 is larger than that of the liquid channel 8, so that the plug 703 can close the liquid channel 8 after moving into the liquid channel 8, and an oil cavity corresponding to the left tool apron 2 and/or an oil cavity corresponding to the right tool apron 3 stops entering hydraulic oil.
The plug 703 of the left selecting part is slidably connected with the weft three 806 to control oil inlet of the oil cavity of the left tool apron 2. The plug 703 of the right selecting portion is slidably connected with the second weft 804 to control oil feeding of an oil cavity of the right tool apron 3.
The rotating screw 701 is screwed with the bushing 705.
The outer side of the sealing rod 702 is sleeved with a sealing ring, the sealing rod 702 is positioned on the inner side of the rotating screw 701 and is always abutted against the inner end of the rotating screw 701, and the sealing rod 702 is in sealing sliding connection with the bushing 705.
The plug 703 is fixedly connected to the inner end of the sealing rod 702, the plug 703 is positioned on the inner side of the lining 705, the plug 703 is directly contacted with hydraulic oil in the three weft 806, and the caliber of the plug 703 is matched with the caliber of the three weft 806. The outer end of the plug 703 is provided with a through communication hole 704, and the hydraulic oil in the weft three channels 806 is directly contacted with the lining 705 through the communication hole 704.
The right selector is arranged in the same manner as the left selector, and the right selector is connected to the weft two-pass 804.
The working principle is as follows:
when a certain cutter holder needs to be independently adjusted, the connection between the liquid channel 8 and the oil cavity of the corresponding cutter holder needs to be closed. Taking the control of the left tool apron 2 as an example, the rotating screw 701 of the left selecting part is rotated, the rotating screw 701 axially moves and drives the sealing rod 702 to axially move, when the sealing rod 702 moves inwards, the plug 703 is driven to move towards the three weft channels 806, hydraulic oil in the three weft channels 806 enters the plug 703 to be close to the bushing 705 through the communicating hole 704, the movability of the plug 703 is ensured, after the plug 703 is completely fitted and tightly connected with the three weft channels 806, the communicating hole 704 is closed by the inner wall of the three weft channels 806, the three weft channels 806 are also completely closed by the side wall of the plug 703, so that the oil cavity of the left tool apron 2 is not associated with the hydraulic oil in the liquid channel 8, and at this time, the rotating part 401 of the rotating driving unit 4 only adjusts the diameter of the right tool apron 3.
The third concrete embodiment: on the basis of the second specific embodiment, the spring is fixedly connected between the L-shaped slider 201 and the inner wall of the air cavity and is always in a compressed state, the expansion direction of the spring is consistent with the moving direction of the drive plate 102, and after the rotating portion 401 of the drive unit 4 moves towards the outside, the spring which is originally compressed has a tendency of extending, so that the drive plate 102 returns towards the inside more quickly, and the return sensitivity of the left tool apron 2 and the right tool apron 3 is increased.
In the fourth embodiment, on the basis of the second embodiment, the liquid channel 8 is composed of only one warp yarn 803, one weft yarn 802, two weft yarns 804 and three weft yarns 806. One of which 803 extends through the base 1 and is perpendicular to the axis of the drive chamber 801. The weft yarn channel 802 opens at the bottom end of the drive chamber 801 and communicates with the drive chamber 801 via the channel 803. The second weft channel 804 is perpendicular to the first warp channel 803 and is directly communicated with the inner end of the oil cavity of the right tool apron 3, and the oil cavity is directly communicated with the first warp channel 803. The three weft paths 806 are perpendicular to the first warp path 803 and directly communicate with the inner end of the oil chamber of the left tool apron 2, and the oil chamber is directly communicated with the first warp path 803. The arrangement of the second passage 805 and the third passage 807 is omitted, so that the arrangement of the liquid passage 8 has higher processability, and the difficulty in opening the liquid passage 8 is reduced.
In the fifth embodiment, on the basis of the second embodiment, the L-shaped chute 101 is opened inward from the external source of the base 1, and the air cavity is communicated with the external source of the base 1, so that the L-shaped chute 101 is more machinable, the difficulty in opening the L-shaped chute 101 is reduced, and the L-shaped slider 201 is convenient to install.
Claims (10)
1. The utility model provides a prevent that mistake from touching adjustable boring cutter of reducing which characterized in that: comprises a base (1), a left tool apron (2), a right tool apron (3), a driving unit (4) and a liquid channel (8);
the bottom ends of the left tool apron (2) and the right tool apron (3) are fixedly provided with the same L-shaped sliding blocks (201); the upper end of the base (1) is provided with a corresponding L-shaped chute (101); the L-shaped sliding block (201) is embedded in the L-shaped sliding groove (101) and is in sliding connection with the L-shaped sliding groove (101);
a closed liquid channel (8) is arranged in the base (1), and hydraulic oil is filled in the liquid channel (8);
a driving plate (102) is connected in the L-shaped sliding groove (101) in a sliding manner; the L-shaped sliding groove (101) is divided into an independent oil cavity and an independent air cavity by the driving plate (102); the oil cavity is communicated with the liquid channel (8) and is filled with hydraulic oil; the L-shaped sliding block (201) is positioned in the air cavity and is always abutted against the driving plate (102) so that the L-shaped sliding block (201) follows the driving plate (102);
a driving cavity (801) is formed in the peripheral side of the base (1), the driving unit (4) is connected in the driving cavity (801) in a sealing and sliding mode, the driving cavity (801) is communicated with the liquid channel (8), and the driving unit (4) can drive hydraulic oil in the liquid channel (8) to enable the driving plate (102) to move under the action of oil pressure;
the driving plates (102) of the left tool apron (2) and the right tool apron (3) are opposite in oil pressure direction, so that the sliding directions of the left tool apron (2) and the right tool apron (3) are parallel, and the left tool apron (2) and the right tool apron (3) always slide oppositely.
2. The adjustable boring tool capable of preventing the diameter from being touched by mistake as claimed in claim 1, wherein: also comprises a selection unit (7); the selection unit (7) is embedded in the base (1) and is communicated with the liquid channel (8); the selection unit (7) comprises a plug (703), the plug (703) is in sliding connection with the liquid channel (8), and the caliber of the plug (703) is larger than that of the liquid channel (8), so that the liquid channel (8) can be closed after the plug (703) moves into the liquid channel (8), and an oil cavity corresponding to the left tool apron (2) and/or an oil cavity corresponding to the right tool apron (3) stops entering hydraulic oil.
3. The adjustable boring tool capable of preventing the diameter from being touched by mistake as claimed in claim 1, wherein: the liquid channel (8) comprises a first channel (803), a second channel (805) and a third channel (807); the warp one channel (803) is communicated with the driving cavity (801) through the weft one channel (802); the first warp (803) is communicated with the second warp (805) through the second weft (804); the first warp (803) is communicated with the third warp (807) through the third weft (806); is communicated with an oil cavity of the right tool apron (3) through a second channel (805); is communicated with an oil cavity of the left tool apron (2) through three channels (807); the oil cavity of the left tool apron (2) and the oil cavity of the right tool apron (3) are respectively positioned on the opposite sides relative to the axis of the base (1); the communicating port of the oil cavity of the left tool apron (2) and the liquid channel (8) is positioned at the side close to the axis of the base (1); the communicating port of the oil cavity of the right tool apron (3) and the liquid channel (8) is positioned at the side close to the axis of the base (1).
4. The adjustable boring tool for preventing the diameter from being touched by mistake as claimed in claim 3, wherein: the through part of the periphery of the base (1) is detachably connected with a sealing plug (808) through the first warp (803), the second warp (805), the third warp (807), the second weft (804) and the third weft (806).
5. The adjustable boring tool capable of preventing the diameter from being touched by mistake as claimed in claim 1, wherein: the drive unit (4) comprises a rotating part (401) and a moving part (402); the rotating part (401) is in threaded connection with the driving cavity (801), the moving part (402) is in sealed sliding connection with the driving cavity (801), and the rotating part (401) is located on the outer side of the moving part (402) and is always abutted against the moving part (402); the moving part (402) is always in contact with the hydraulic oil.
6. The adjustable boring tool capable of preventing the diameter from being touched by mistake as claimed in claim 5, wherein: the rotating part (401) comprises a connecting rod (401-5) and a connecting hole (401-3); the connecting rod (401-5) is an outer hexagonal column; the connecting hole (401-3) is a hexagon socket hole matched with the connecting rod (401-5); a buffer distance is reserved between the connecting rod (401-5) and the connecting hole (401-3); only when the buffer distance is shortened under the action of external force, the connecting rod (401-5) is contacted and connected with the connecting hole (401-3), and then the rotating part (401) can rotate relative to the driving cavity (801).
7. The adjustable boring tool capable of preventing the diameter from being touched by mistake as claimed in claim 6, wherein: the rotating part (401) comprises a restoring piece which has a retracting trend after being compressed, and the connecting rod (401-5) and the connecting hole (401-3) are connected through the restoring piece, so that the shortened buffer distance between the connecting rod (401-5) and the connecting hole (401-3) can be retracted to an initial state under the condition that the external force application is stopped.
8. The adjustable boring tool for preventing the diameter from being touched by mistake as claimed in claim 7, wherein: the recovery piece is an air bag (401-1); the connecting rod (401-5) is positioned at the inner bottom end of the air bag (401-1); the connecting hole (401-3) is positioned at the top end in the air bag (401-1); the side wall of the air bag (401-1) is made of elastic material, so that the air bag (401-1) can recover freely after being compressed.
9. The adjustable boring tool for preventing the diameter from being touched by mistake as claimed in claim 3, wherein: also comprises a selection unit (7); the selection unit (7) comprises a left selection part and a right selection part; a left selection cavity (809) and a right selection cavity (810) are formed on the periphery of the base (1); the left selection part and the right selection part are parts with the same structure; the left selection part is connected in the left selection cavity (809) in a sliding way; the right selection part is connected in the right selection cavity (810) in a sliding way; the left selection cavity (809) is communicated with the three weft paths (806); the right selection cavity (810) is communicated with the second weft (804); the left selection part comprises a plug (703); the plug (703) of the left selection part is in sliding connection with the three weft channels (806), and the caliber of the plug (703) is larger than that of the liquid channel (8), so that the plug (703) can seal the liquid channel (8) after moving into the liquid channel (8), and oil inlet of an oil cavity of the left tool apron (2) is controlled; the plug (703) of the right selection part is in sliding connection with the second weft (804) to control oil inlet of an oil cavity of the right tool apron (3).
10. The adjustable boring tool for preventing the diameter from being touched by mistake as claimed in claim 9, wherein: the left selection portion and the right selection portion are independent components.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018206.3A CN113500218B (en) | 2021-08-31 | 2021-08-31 | Adjustable boring cutter capable of preventing diameter change caused by mistaken touch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111018206.3A CN113500218B (en) | 2021-08-31 | 2021-08-31 | Adjustable boring cutter capable of preventing diameter change caused by mistaken touch |
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| CN113500218A true CN113500218A (en) | 2021-10-15 |
| CN113500218B CN113500218B (en) | 2022-04-22 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190521040A (en) * | 1905-10-17 | 1905-12-14 | Emery Emmit Davis | Improvements in Expansion Boring Tools |
| JP2011104701A (en) * | 2009-11-16 | 2011-06-02 | Jtekt Corp | Boring holder |
| CN203635968U (en) * | 2014-03-13 | 2014-06-11 | 森泰英格（成都）数控刀具有限公司 | Double-edge adjustable boring cutter bidirectional adjusting and compressing structure |
| CN207386594U (en) * | 2017-11-11 | 2018-05-22 | 杭州超尔切削工具有限公司 | A kind of adjustable rough boring cutter |
| CN207479642U (en) * | 2017-09-28 | 2018-06-12 | 南昌洪都汽车配件制造有限公司 | A kind of large aperture sleeve boring cutter of adjustable extent |
| CN110497027A (en) * | 2019-08-31 | 2019-11-26 | 厦门曦哲贸易有限公司 | A kind of outer diameter adjustable reamer based on spiral fluted disc |
-
2021
- 2021-08-31 CN CN202111018206.3A patent/CN113500218B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190521040A (en) * | 1905-10-17 | 1905-12-14 | Emery Emmit Davis | Improvements in Expansion Boring Tools |
| JP2011104701A (en) * | 2009-11-16 | 2011-06-02 | Jtekt Corp | Boring holder |
| CN203635968U (en) * | 2014-03-13 | 2014-06-11 | 森泰英格（成都）数控刀具有限公司 | Double-edge adjustable boring cutter bidirectional adjusting and compressing structure |
| CN207479642U (en) * | 2017-09-28 | 2018-06-12 | 南昌洪都汽车配件制造有限公司 | A kind of large aperture sleeve boring cutter of adjustable extent |
| CN207386594U (en) * | 2017-11-11 | 2018-05-22 | 杭州超尔切削工具有限公司 | A kind of adjustable rough boring cutter |
| CN110497027A (en) * | 2019-08-31 | 2019-11-26 | 厦门曦哲贸易有限公司 | A kind of outer diameter adjustable reamer based on spiral fluted disc |
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| Publication number | Publication date |
|---|---|
| CN113500218B (en) | 2022-04-22 |
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Denomination of invention: An adjustable boring tool to prevent accidental contact and diameter change Effective date of registration: 20220912 Granted publication date: 20220422 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: Meigeli (Zhejiang) Technology Co.,Ltd. Registration number: Y2022330002177 |