CN111790935A - Fastening device for milling machine cutter - Google Patents
Fastening device for milling machine cutter Download PDFInfo
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- CN111790935A CN111790935A CN202010527404.1A CN202010527404A CN111790935A CN 111790935 A CN111790935 A CN 111790935A CN 202010527404 A CN202010527404 A CN 202010527404A CN 111790935 A CN111790935 A CN 111790935A
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- block
- cutter
- positioning
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- fixing block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/26—Securing milling cutters to the driving spindle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to a fastening device for a milling machine cutter, which comprises a base, a vertical column, a cross beam, a fixed block, a positioning plate, a cutter, a supporting mechanism and a connecting mechanism, wherein the cutter comprises a cutter head, a cutter handle, a connecting plate, a positioning block and a moving block, the supporting mechanism comprises a first spring, a first limiting block, a piston cylinder, a supporting rod and a second spring, the connecting mechanism comprises a lead screw and a first nut, the fastening device for the milling machine cutter realizes the abutting of the cutter when a worker who uses the supporting mechanism to install the cutter, so that the worker can fix the nut by two hands, avoid the damage to the hand or foot caused by the fact that the worker cannot hold the cutter by one hand due to the overweight of the cutter, improve the safety during installation, realize the primary fixation of the cutter by the fixation of a bolt and the positioning strip, the positioning strip can also limit the cutter, and through the matching of the lead screw and a sleeve, the screw rod is connected with the tool handle more firmly, secondary fixation of the tool is achieved, and the practicability of use is improved.
Description
Technical Field
The invention relates in particular to a fastening device for milling machine tools.
Background
The milling machine is a machine tool which can be used in a wide range of applications, and on which a flat surface (horizontal surface, vertical surface), a groove (key groove, T-shaped groove, dovetail groove, etc.), a tooth-dividing part (gear, spline shaft, sprocket), a spiral surface (screw thread, spiral groove), and various curved surfaces can be machined, and further, can be used for machining a surface of a rotary body, an inner hole, cutting work, etc. when the milling machine is in operation, a workpiece is mounted on an attachment such as a table or an index head, etc., and the milling cutter rotates as a main motion, and the workpiece can obtain a desired machined surface by being assisted with a feed motion of the table or the milling head.
The existing vertical common milling machine only realizes the fixation of the cutter through one lead screw, when the cutter is installed, common workers climb to an operation platform, then install the cutter on a working head by one hand, and then install the cutter by the other hand by screwing the lead screw above the cutter, so that after the workers work for a long time, people can be tired, the physical strength is reduced, safety accidents can be caused, and after the cutter is replaced, the milling machine can be loosened after running for a period of time, the milling machine needs to be suspended to fasten the milling cutter, the danger coefficient is large, and the production is delayed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the deficiencies of the prior art, a fastening device for a milling machine tool is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a fastening device for a milling machine cutter comprises a base, a stand column, a cross beam, a fixing block, a positioning plate, a cutter, a supporting mechanism and a connecting mechanism, wherein the base is horizontally arranged, the cross beam is arranged above the base, the stand column is vertically arranged on the base, the fixing block is vertically arranged on one side of the stand column, the cross beam is positioned between the fixing block and the stand column, the fixing block is connected with the stand column through the cross beam, the fixing block is cylindrical, the fixing block is arranged in a hollow mode, the cutter, the supporting mechanism and the connecting mechanism are all positioned in the fixing block, the positioning plate is positioned below the fixing block, and the positioning plate is fixedly connected with the fixing block;
a vertical through hole is formed in the fixing block, a strip-shaped groove is formed in one end, far away from the cross beam, of the fixing block, and the strip-shaped groove is located on the through hole;
the cutter comprises a cutter head, a cutter handle, a connecting plate, a positioning block and a moving block, the cutter head is arranged below the fixing block, the knife handle is arranged between the fixed block and the knife disc, one end of the knife handle is positioned in the vertical through hole, the other end of the knife handle is connected with the knife disc, the connecting plate is sleeved on the knife handle and is positioned between the knife disc and the fixed block, the connecting block is connected with the knife handle in a sliding way, the positioning block is arranged at one end of the knife handle positioned in the vertical through hole, the two positioning blocks are respectively arranged at two sides of the knife handle and are positioned in the strip-shaped groove, the knife handle is provided with a vertical rectangular sliding groove, the moving block is arranged at one end of the knife handle positioned in the vertical through hole, one end of the moving block is positioned in the vertical rectangular sliding groove, the other end of the moving block is positioned in the strip-shaped groove, and the moving block is connected with the vertical rectangular sliding groove in a sliding manner;
one side, close to the cutter head, of the positioning plate is provided with two positioning strips, the two positioning strips are arranged oppositely, the two positioning strips are arranged on two sides of the strip-shaped groove respectively, the connecting plate is provided with a clamping groove, the positioning strips are positioned in the clamping groove, the connecting plate and the positioning strips are both provided with a through hole, a bolt is arranged in the through hole, the inner wall of the through hole is provided with an internal thread matched with the bolt, the bolt is in threaded connection with the internal thread, and the connecting plate is fixedly connected with the positioning strips through the bolt;
the two supporting mechanisms are respectively arranged on a positioning plate in the fixed block, the two supporting mechanisms are arranged just opposite to each other, each supporting mechanism comprises a first spring, a first limiting block, a piston cylinder, a supporting rod and a second spring, the first spring is vertically arranged on the positioning plate, the first limiting block is arranged above the first spring, the first limiting block is connected with the inner wall of the fixed block, the piston cylinder is horizontally arranged between the first limiting block and the first spring, one end of the first spring, far away from the positioning plate, is connected with the piston cylinder, the second spring is arranged in the piston cylinder, a wedge block is arranged below the positioning block, the supporting rod is arranged between the piston cylinder and the wedge block, one end of the supporting rod extends into the piston cylinder to be connected with the second spring, the other end of the supporting rod is connected with the wedge block, and the wedge block is abutted against the lower end face of the positioning block, one end, far away from the supporting rod, of the second spring is connected with the bottom end inside the piston cylinder, a vertical strip-shaped limiting groove is formed in the inner wall of the fixing block, one end, far away from the supporting rod, of the piston cylinder is located in the vertical strip-shaped limiting groove, and the piston cylinder is connected with the vertical strip-shaped limiting groove in a sliding mode;
the connecting mechanism comprises a screw rod and a first nut, wherein a vertical threaded hole matched with the screw rod is formed in one end, away from the cutter disc, of the cutter handle, the first nut is arranged at one end, away from the cutter disc, of the fixing block, the screw rod is arranged in the vertical through hole, the first nut is sleeved on the screw rod, the first nut is in transmission connection with the screw rod, one end, away from the first nut, of the screw rod is located in the threaded hole, and;
the positioning plate is provided with a connecting groove.
For better fixing, the cover is equipped with the second nut on the lead screw, the second nut is located between fixed block and the first nut, the second nut is connected with the lead screw transmission.
In order to realize the telescopic spacing, threaded hole is equipped with the sleeve, telescopic outer lane be equipped with the screw hole to the external screw thread that matches, telescopic inner circle is equipped with the internal thread that matches with the lead screw, the one end that first nut was kept away from to the lead screw is located the sleeve, lead screw and sleeve threaded connection, the opening part of vertical screw hole is equipped with the second stopper, the second stopper supports with the sleeve and leans on.
For the fixed effect better, be equipped with the third spring in the vertical screw hole, the one end and the muffjoint of third spring, the other end and the inside bottom of vertical screw hole of third spring support and lean on.
For limiting, the cross section of the vertical rectangular sliding groove is in a dovetail shape.
For better sliding, a sliding block is arranged in the vertical rectangular sliding groove, the moving block is connected with the sliding block, and the moving block is connected with the vertical rectangular sliding groove in a sliding mode through the sliding block.
In order to enable the second nut to be better fixed with the fixing block, a gasket is arranged on the fixing block, the gasket is sleeved on the screw rod, and the gasket is located between the fixing block and the second nut.
In order to increase the rigidity of the nut, the first nut and the second nut have a hardness of the order of 12.9.
The perforations are counter-sunk holes in order to prevent the nut from protruding and colliding with debris.
In order to reduce friction, the screw rod is coated with lubricating oil.
The fastening device for the milling machine tool has the advantages that when a worker installs the tool, the support mechanism is used for supporting the tool, so that the worker can fix the nut through two hands, the phenomenon that the worker can hurt the hand or foot due to too heavy tool and can not hold the tool by one hand is avoided, safety during installation is improved, one-stage fixation of the tool is realized through the fixation of the bolt and the positioning strip, the positioning strip can also limit the tool, the screw rod is connected with the tool handle more firmly through the matching of the screw rod and the sleeve, secondary fixation of the tool is realized, and practicability in use is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a fastening device for a milling machine tool of the present invention;
FIG. 2 is a schematic view of a connection structure of a cutter and a fixing block for a milling machine cutter according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view showing a connection structure of a positioning plate and a positioning bar of the fastening device for a milling machine tool according to the present invention;
FIG. 5 is a schematic view showing a coupling structure of a coupling plate, a bolt and a spacer of the fastening device for a milling machine cutter according to the present invention;
in the figure: 1. the novel cutter comprises a base, 2 parts of a stand column, 3 parts of a cross beam, 4 parts of a fixing block, 5 parts of a positioning plate, 6 parts of a bolt, 7 parts of a cutter head, 8 parts of a cutter handle, 9 parts of a connecting plate, 10 parts of a positioning block, 11 parts of a moving block, 12 parts of a positioning strip, 13 parts of a first spring, 14 parts of a first limiting block, 15 parts of a piston cylinder, 16 parts of a supporting rod, 17 parts of a second spring, 18 parts of a screw rod, 19 parts of a first nut, 20 parts of a second nut, 21 parts of a sleeve, 22 parts of a second limiting block, 23 parts of a third spring and.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-5, a fastening device for a milling machine cutter comprises a base 1, a stand column 2, a cross beam 3, a fixed block 4, a positioning plate 5, a cutter, a supporting mechanism and a connecting mechanism, wherein the base 1 is horizontally arranged, the cross beam 3 is arranged above the base 1, the stand column 2 is vertically arranged on the base 1, the fixed block 4 is vertically arranged at one side of the stand column 2, the cross beam is arranged between the fixed block 4 and the stand column 2, the fixed block 4 is connected with the stand column 2 through the cross beam 3, the fixed block 4 is cylindrical, the fixed block 4 is hollow, the cutter, the supporting mechanism and the connecting mechanism are all arranged in the fixed block 4, the positioning plate 5 is arranged below the fixed block 4, and the positioning plate 5 is fixedly connected with the fixed block 4;
a vertical through hole is formed in the fixing block 4, a strip-shaped groove is formed in one end, far away from the cross beam 3, of the fixing block 4, and the strip-shaped groove is located on the through hole;
the cutter comprises a cutter 7, a cutter handle 8, a connecting plate 9, positioning blocks 10 and a moving block 11, wherein the cutter 7 is arranged below the fixed block 4, the cutter handle 8 is arranged between the fixed block 4 and the cutter 7, one end of the cutter handle 8 is positioned in a vertical through hole, the other end of the cutter handle 8 is connected with the cutter 7, the connecting plate 9 is sleeved on the cutter handle 8, the connecting plate 9 is positioned between the cutter handle 7 and the fixed block 4, the connecting block 9 is in sliding connection with the cutter handle 8, the positioning blocks 10 are arranged at one end of the cutter handle 8 positioned in the vertical through hole, the two positioning blocks 10 are provided, the two positioning blocks 10 are respectively arranged at two sides of the cutter handle 8, the positioning blocks 10 are positioned in strip-shaped grooves, the cutter handle 8 is provided with vertical rectangular sliding grooves, the moving block 11 is arranged at one end of the cutter handle 8 positioned in the, the other end of the moving block 11 is positioned in the strip-shaped groove, and the moving block 11 is connected with the vertical rectangular sliding groove in a sliding manner;
one side, close to the cutter head 7, of the positioning plate 5 is provided with two positioning strips 12, the two positioning strips 12 are arranged oppositely, the two positioning strips 12 are arranged on two sides of the strip-shaped groove respectively, a clamping groove is formed in the connecting plate 9, the positioning strips 12 are located in the clamping groove, a through hole is formed in each of the connecting plate 9 and the positioning strips 12, a bolt 6 is arranged in each through hole, an internal thread matched with the bolt 6 is formed in the inner wall of each through hole, the bolt 6 is in threaded connection with the internal thread, and the connecting plate 9 is fixedly connected with the positioning strips 12 through the bolts 6;
the two supporting mechanisms are respectively arranged on the positioning plate 5 in the fixed block 4, the two supporting mechanisms are arranged just opposite to each other, each supporting mechanism comprises a first spring 13, a first limiting block 14, a piston cylinder 15, a supporting rod 16 and a second spring 17, the first spring 13 is vertically arranged on the positioning plate 5, the first limiting block 14 is arranged above the first spring 13, the first limiting block 14 is connected with the inner wall of the fixed block 4, the piston cylinder 15 is horizontally arranged between the first limiting block 14 and the first spring 13, one end, far away from the positioning plate 5, of the first spring 13 is connected with the piston cylinder 15, the second spring 17 is arranged in the piston cylinder 15, a wedge block 24 is arranged below the positioning block 10, the supporting rod 16 is arranged between the piston cylinder 15 and the wedge block 24, one end of the supporting rod 16 extends into the piston cylinder 15 and is connected with the second spring 17, the other end of the supporting rod 16 is connected with a wedge block 24, the lower end face of a positioning block 5 of the wedge block 24 abuts against the lower end face, one end, away from the supporting rod 16, of the second spring 17 is connected with the bottom end inside the piston cylinder 15, a vertical strip-shaped limiting groove is formed in the inner wall of the fixing block 4, one end, away from the supporting rod 16, of the piston cylinder 15 is located in the vertical strip-shaped limiting groove, and the piston cylinder 15 is connected with the vertical strip-shaped limiting groove in a sliding mode;
the connecting mechanism comprises a screw rod 18 and a first screw cap 19, a vertical threaded hole matched with the screw rod 18 is formed in one end, away from the cutter head 7, of the cutter handle 8, the first screw cap 19 is arranged at one end, away from the cutter head 7, of the fixing block 4, the screw rod 18 is arranged in the vertical through hole, the first screw cap 19 is sleeved on the screw rod 18, the first screw cap 19 is in transmission connection with the screw rod 18, one end, away from the first screw cap 19, of the screw rod 18 is located in the threaded hole, and the screw rod 18 is in threaded connection with the threaded hole;
and a connecting groove is arranged on the positioning plate 5.
For better fixation, the screw rod 18 is sleeved with a second nut 20, the second nut 20 is located between the fixed block 4 and the first nut 19, and the second nut 20 is in transmission connection with the screw rod 19.
In order to limit the sleeve 21, a sleeve 21 is arranged in the threaded hole, an outer ring of the sleeve 21 is provided with an external thread matched with the threaded hole, an inner ring of the sleeve 21 is provided with an internal thread matched with the lead screw 18, one end, far away from the first nut 19, of the lead screw 18 is located in the sleeve 21, the lead screw 18 is in threaded connection with the sleeve 21, a second limit block 22 is arranged at an opening of the vertical threaded hole, and the second limit block 22 is abutted to the sleeve 21.
For better fixing effect, a third spring 23 is arranged in the vertical threaded hole, one end of the third spring 23 is connected with the sleeve 21, and the other end of the third spring 23 is abutted against the bottom end inside the vertical threaded hole.
For limiting, the cross section of the vertical rectangular sliding groove is in a dovetail shape.
For better sliding, a sliding block is arranged in the vertical rectangular sliding groove, the moving block 11 is connected with the sliding block, and the moving block 11 is connected with the vertical rectangular sliding groove in a sliding mode through the sliding block.
In order to better fix the second nut 20 with the fixing block 4, a gasket is arranged on the fixing block 4, the gasket is sleeved on the screw rod 18, and the gasket is located between the fixing block 4 and the second nut 20.
In order to increase the rigidity of the nut, the first nut 19 and the second nut 20 have a hardness of the order of 12.9.
The perforations are counter-sunk holes in order to prevent the nut from protruding and colliding with debris.
In order to reduce friction, the screw 18 is coated with a lubricating oil.
When the tool needs to be installed, firstly, the tool is supported by two hands and put into the vertical through hole, so that the positioning block 10 and the moving block 11 on the tool move into the strip-shaped groove, at this time, the positioning block 10 is abutted against the support rod 16, then the cutter is pushed continuously, so that the positioning block 10 drives the supporting rod 16 to move, and the second spring 17 in the piston cylinder 15 is in a compressed state, then, the cutter is pushed continuously, so that the support rod 16 is abutted against the lower end surface of the positioning block 10 by the restoring force of the second spring 17, at this time, the bolt 6 is placed in the through hole, so that the connecting plate 9 is fixedly connected with the positioning strip 12 through the bolt 6, and then a user can release the hand, then climbing the workbench, screwing the screw rod 18 to ensure that the screw rod 18 is positioned in the threaded hole on the knife handle 7, the screw 18 now drives the sleeve 21 to move so that the sleeve 21 moves within the threaded bore in the shank 8.
Here, the sleeve 21 is always abutted to the screw rod 18 by the restoring force of the third spring 23, and when the screw rod 18 moves to the bottom end of the sleeve 21, the sleeve 21 follows the screw rod 18 to move downwards at the same time, so that the compression force of the third spring 23 is larger, and the screw rod 18 is fixed with the tool more firmly.
The first nut 19 and the second nut 20 are arranged on the screw rod 18 to prevent the first nut 19 from loosening due to vibration of the tool in the machining process, and the first nut 19 and the second nut 20 are fixed to effectively prevent the first nut 19 from moving, so that the connection firmness of the screw rod 18 and the tool is increased, and the safety is improved.
Here, due to the first stopper 14, the piston cylinder 15 is moved to a position below the first stopper 14 to be abutted against, so that the piston cylinder 15 is limited, and the support rod 16 in the piston cylinder 15 is pushed, so that the support rod 16 abuts against the lower end surface of the positioning block 10.
When the cutter needs to be detached, firstly, the first nut cap 19 and the second nut cap 20 are unscrewed, then the screw rod 18 is screwed, the screw rod 18 is moved out of a threaded hole in the cutter handle 8, then the bolt 6 is screwed to separate the connecting plate 9 from the positioning strip 12, at this time, the cutter can descend due to self-weight, at this time, the first spring 13 is in a compressed state, then the cutter moves upwards towards the direction of the screw rod 18, the moving block 11 is abutted against the supporting rod 16, at this time, the cutter continues to move upwards to enable the supporting rod 16 to move to the lower end face of the moving block 11, at this time, the cutter can move downwards, at this time, the moving block 11 can move towards the direction of the positioning block 10 through the thrust of the supporting rod 16 until the moving block 11 is located in a connecting groove on the positioning block 10, at this time, through the self-weight of the cutter, the supporting, at the same time, the supporting rod 16 is moved out of the positioning block 10, and the cutter can be taken out.
Here, through the third spring 23, when the screw rod 18 moves out of the threaded hole in the tool holder 8, the sleeve 21 can move simultaneously with the screw rod 18 through the restoring force of the third spring 23 until the sleeve 21 is blocked by the second limiting block 23, and at this time, the screw rod 18 can rotate, so that the screw rod 18 moves out of the threaded hole in the tool holder 8.
Compared with the prior art, this a fastener for milling machine cutter passes through staff that supporting mechanism is when the installation cutter, realize leaning on the cutter, make the staff can realize the fixing to the nut through both hands, avoid being too heavy because of the cutter, one hand can not be held and lead to pounding hand or foot, the security when having improved the installation, through the fixing of bolt 6 and gib block 12, the one-level of realization to the cutter is fixed, this gib block 12 can also play spacing to the cutter, through the cooperation of lead screw 18 and sleeve 21, make lead screw 18 more firm be connected with handle of a knife 8, thereby realize fixed to the secondary of cutter, the practicality of use has been improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The fastening device for the milling machine cutter is characterized by comprising a base (1), a stand column (2), a cross beam (3), a fixing block (4), a positioning plate (5), a cutter, a supporting mechanism and a connecting mechanism, wherein the base (1) is horizontally arranged, the cross beam (3) is arranged above the base (1), the stand column (2) is vertically arranged on the base (1), the fixing block (4) is vertically arranged on one side of the stand column (2), the cross beam (3) is positioned between the fixing block (4) and the stand column (2), the fixing block (4) is connected with the stand column (2) through the cross beam (3), the fixing block (4) is cylindrical, the fixing block (4) is arranged in a hollow mode, the cutter, the supporting mechanism and the connecting mechanism are all positioned in the fixing block (4), the positioning plate (5) is positioned below the fixing block (4), the positioning plate (5) is fixedly connected with the fixing block (4);
a vertical through hole is formed in the fixing block (4), a strip-shaped groove is formed in one end, far away from the cross beam (3), of the fixing block (4), and the strip-shaped groove is located on the through hole;
the cutter comprises a cutter head (7), a cutter handle (8), a connecting plate (9), a positioning block (10) and a moving block (11), wherein the cutter head (7) is arranged below the fixed block (4), the cutter handle (8) is arranged between the fixed block (4) and the cutter head (7), one end of the cutter handle (8) is positioned in a vertical through hole, the other end of the cutter handle (8) is connected with the cutter head (7), the connecting plate (9) is sleeved on the cutter handle (8), the connecting plate (9) is positioned between the cutter head (7) and the fixed block (4), the connecting block (9) is in sliding connection with the cutter handle (8), the positioning block (10) is arranged at one end of the cutter handle (8) in the vertical through hole, the positioning block (10) is provided with two blocks, the two positioning blocks (10) are respectively arranged at two sides of the cutter handle (8), the positioning block (10) is positioned in a strip, a vertical rectangular sliding groove is formed in the tool handle (8), the moving block (11) is arranged at one end, located in the vertical through hole, of the tool handle (8), one end of the moving block (11) is located in the vertical rectangular sliding groove, the other end of the moving block (11) is located in the strip-shaped groove, and the moving block (11) is connected with the vertical rectangular sliding groove in a sliding mode;
one side, close to the cutter head (7), of the positioning plate (5) is provided with two positioning strips (12), the two positioning strips (12) are arranged just opposite to each other, the two positioning strips (12) are arranged on two sides of the strip-shaped groove respectively, a clamping groove is formed in the connecting plate (9), the positioning strips (12) are located in the clamping groove, a through hole is formed in each of the connecting plate (9) and the positioning strips (12), a bolt (6) is arranged in each through hole, an inner thread matched with the bolt (6) is arranged on the inner wall of each through hole, the bolt (6) is in threaded connection with the inner thread, and the connecting plate (9) is fixedly connected with the positioning strips (12) through the bolt (6);
the supporting mechanisms are two, the two supporting mechanisms are respectively arranged on a positioning plate (5) inside a fixing block (4), the two supporting mechanisms are just arranged, the supporting mechanisms comprise first springs (13), first limiting blocks (14), piston cylinders (15), supporting rods (16) and second springs (17), the first springs (13) are vertically arranged on the positioning plate (5), the first limiting blocks (14) are arranged above the first springs (13), the first limiting blocks (14) are connected with the inner walls of the fixing block (4), the piston cylinders (15) are horizontally arranged between the first limiting blocks (14) and the first springs (13), one ends, far away from the positioning plate (5), of the first springs (13) are connected with the piston cylinders (15), the second springs (17) are arranged in the piston cylinders (15), wedge blocks (24) are arranged below the positioning blocks (10), the supporting rod (16) is arranged between the piston cylinder (15) and the wedge block (24), one end of the supporting rod (16) extends into the piston cylinder (15) and is connected with the second spring (17), the other end of the supporting rod (16) is connected with the wedge block (24), the wedge block (24) abuts against the lower end face of the positioning block (5), one end, far away from the supporting rod (16), of the second spring (17) is connected with the bottom end inside the piston cylinder (15), a vertical strip-shaped limiting groove is formed in the inner wall of the fixing block (4), one end, far away from the supporting rod (16), of the piston cylinder (15) is located in the vertical strip-shaped limiting groove, and the piston cylinder (15) is in sliding connection with the vertical strip-shaped limiting groove;
the connecting mechanism comprises a screw rod (18) and a first screw cap (19), a vertical threaded hole matched with the screw rod (18) is formed in one end, away from the cutter head (7), of the cutter handle (8), the first screw cap (19) is arranged at one end, away from the cutter head (7), of the fixing block (4), the screw rod (18) is arranged in the vertical through hole, the first screw cap (19) is sleeved on the screw rod (18), the first screw cap (19) is in transmission connection with the screw rod (18), one end, away from the first screw cap (19), of the screw rod (18) is located in the threaded hole, and the screw rod (18) is in threaded connection with the threaded hole;
the positioning plate (5) is provided with a connecting groove.
2. A fastening device for a milling machine tool according to claim 1, characterized in that a second nut (20) is sleeved on the screw (18), the second nut (20) being located between the fixing block (4) and the first nut (19), the second nut (20) being in driving connection with the screw (18).
3. The fastening device for the milling machine tool according to claim 1, characterized in that a sleeve (21) is arranged in the threaded hole, an outer ring of the sleeve (21) is provided with an external thread matched with the threaded hole, an inner ring of the sleeve (21) is provided with an internal thread matched with the screw rod (18), one end of the screw rod (18) far away from the first nut (19) is positioned in the sleeve (21), the screw rod (18) is in threaded connection with the sleeve (21), a second limit block (22) is arranged at the opening of the vertical threaded hole, and the second limit block (22) abuts against the sleeve (21).
4. A fastening device for a milling machine tool according to claim 3, characterized in that a third spring (23) is arranged in the vertical threaded hole, one end of the third spring (23) is connected with the sleeve (21), and the other end of the third spring (23) abuts against the bottom end inside the vertical threaded hole.
5. A fastening device for a milling machine tool as claimed in claim 4, characterized in that the cross-section of the vertical rectangular runner is dovetail-shaped.
6. The fastening device for the milling machine tool according to claim 1, characterized in that a slide block is arranged in the vertical rectangular sliding groove, the moving block (11) is connected with the slide block, and the moving block (11) is connected with the vertical rectangular sliding groove in a sliding manner through the slide block.
7. A fastening device for a milling machine tool according to claim 2, characterized in that the fixing block (4) is provided with a washer, which is fitted over the screw (18), the washer being located between the fixing block (4) and the second nut (20).
8. A fastening device for a milling machine tool according to claim 1, characterized in that the first nut (19) and the second nut (20) have a hardness of the order of 12.9.
9. A fastening means for a milling machine tool as claimed in claim 1, wherein the bore is a counterbore.
10. A fastening device for a milling machine tool according to claim 1, characterized in that the screw (18) is coated with a lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010527404.1A CN111790935A (en) | 2020-06-11 | 2020-06-11 | Fastening device for milling machine cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010527404.1A CN111790935A (en) | 2020-06-11 | 2020-06-11 | Fastening device for milling machine cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111790935A true CN111790935A (en) | 2020-10-20 |
Family
ID=72804276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010527404.1A Withdrawn CN111790935A (en) | 2020-06-11 | 2020-06-11 | Fastening device for milling machine cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111790935A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828371A (en) * | 2021-01-15 | 2021-05-25 | 苏州科技大学 | Firm type facing cutter convenient to change milling cutter |
-
2020
- 2020-06-11 CN CN202010527404.1A patent/CN111790935A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828371A (en) * | 2021-01-15 | 2021-05-25 | 苏州科技大学 | Firm type facing cutter convenient to change milling cutter |
| CN112828371B (en) * | 2021-01-15 | 2022-03-25 | 苏州科技大学 | Firm type facing cutter convenient to change milling cutter |
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Application publication date: 20201020 |