CN114799979A - Metal cutting machine tool capable of being clamped quickly - Google Patents
Metal cutting machine tool capable of being clamped quickly Download PDFInfo
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- CN114799979A CN114799979A CN202210485605.9A CN202210485605A CN114799979A CN 114799979 A CN114799979 A CN 114799979A CN 202210485605 A CN202210485605 A CN 202210485605A CN 114799979 A CN114799979 A CN 114799979A
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- 239000002184 metal Substances 0.000 title claims abstract description 66
- 238000005520 cutting process Methods 0.000 title claims abstract description 18
- 210000000078 claw Anatomy 0.000 claims abstract description 54
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
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Abstract
The invention discloses a metal cutting machine tool capable of being clamped quickly, which comprises: the disc workbench is provided with a plurality of guide grooves, the surface of the disc workbench is provided with a concentric ring group, each ring of the concentric ring group is uniformly divided into a plurality of arc-shaped shells by the guide grooves, and the arc-shaped shells are arranged on the disc workbench through elastic components; the clamping main body comprises a driving assembly and claw bodies, the driving assembly is installed inside the disc workbench, the claw bodies are arranged in the guide grooves, the claw bodies protrude out of the plane of the disc workbench, and the driving assembly is used for synchronously driving the plurality of claw bodies to move along the guide grooves until the claw bodies are in surface contact with metal pieces to be machined placed on the disc workbench. The clamping of the metal piece to be cut is realized by the pre-clamping generated by the position change of the arc-shaped shell and the common clamping of the claw body driven by the driving device, so that the rapid clamping process of the metal piece to be cut is realized, and the position adjustment of the metal piece to be cut in the clamping process is avoided.
Description
Technical Field
The invention relates to the technical field of machine tools, in particular to a metal cutting machine tool capable of being clamped quickly.
Background
The machine tool clamp is a device for clamping a workpiece and guiding a cutter on a machine tool, is specially designed for a certain process of a certain workpiece, and is characterized by compact structure, rapid, convenient and labor-saving operation, and can ensure higher processing precision and production efficiency.
In the existing clamping technology, for example, the adaptive clamping device for the high-speed numerical control machine tool, which is provided with application number CN202122114297.2 and is convenient to install, can automatically adapt to different sizes of workpieces, and can automatically lock the workpieces to realize adaptive clamping after adapting to the sizes of the workpieces through the cooperation of the side tension spring and the chuck. However, the clamping device has the defects that the clamping device can only be used for a relatively regular metal part, and the contact surface between the metal part and the clamping chuck needs to be kept smooth, so that the clamping device is ideal for clamping.
In summary, when clamping a metal part to be cut, the existing machine tool has a requirement on a certain shape of the metal part to be cut, and cannot guarantee stable and rapid clamping.
Disclosure of Invention
The invention aims to provide a metal cutting machine tool capable of being clamped quickly, and the metal cutting machine tool is used for solving the technical problem that when an existing machine tool in the prior art clamps a metal piece to be cut, the metal piece to be cut has a certain shape requirement, and stable and quick clamping can not be guaranteed.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a metal cutting machine tool capable of quick clamping, comprising:
the guide grooves extend from the circumferential edge of the disc workbench to the center of the disc workbench;
the surface of the disc workbench is provided with a concentric ring group, each ring of the concentric ring group is uniformly divided into a plurality of arc-shaped shells by the guide grooves, and the arc-shaped shells are arranged on the disc workbench through elastic components;
the centre gripping main part, the centre gripping main part is including installing inside drive assembly of disc workstation and setting are in claw body in the guide slot, just claw body protrusion the plane of disc workstation, drive assembly is used for synchronous drive a plurality of claw body is followed the guide slot removes until with place treat processing metalwork surface contact on the disc workstation.
As a preferable scheme of the present invention, the disc table includes an upper table body, a middle table body, and a lower table body, the plurality of guide grooves are disposed on a surface of the upper table body, and extend to a center of the middle table body along an axial direction of the upper table body, and the driving assembly is mounted on the middle table body;
the upper table body is fixedly connected with the lower table body through a fixing rod, the fixing rod penetrates through the middle table body, and a circle center through hole for the fixing rod to penetrate through is formed in the middle table body.
As a preferable scheme of the present invention, the upper surface and the lower surface of the middle stage body, which are close to the outer ring, are provided with ring grooves, and the upper stage body and the lower stage body are provided with friction ring bodies which are matched with the ring grooves.
As a preferable scheme of the invention, the driving assembly comprises a plurality of pneumatic cylinders, the pneumatic cylinders are uniformly arranged at the bottom circumference of the middle table body, the end part of a piston push rod of each pneumatic cylinder is connected to the middle table body along the tangential direction of the middle table body, and the end part of each pneumatic cylinder far away from the middle table body is fixedly connected to the lower table body, wherein the pneumatic cylinders synchronously work to drive the middle table body to rotate around the fixing rod;
the claw body is arranged in the arc-shaped groove in a sliding manner, and the claw body is arranged on the surface of the middle table body, which is in contact with the upper table body, and a plurality of arc-shaped grooves are uniformly distributed along the radial direction of the surface;
wherein the arc-shaped groove and the guide groove are crossed in projection in the longitudinal direction.
As a preferred scheme of the invention, the claw body comprises a sliding seat matched with the guide groove, the bottom of the sliding seat is provided with a shaft body extending into the arc-shaped groove, and the tail end of the shaft body is provided with a lantern ring in a rolling manner;
wherein, the whole body connected with the sliding seat and the shaft body has an included angle of 70-90 degrees with the horizontal plane.
As a preferable scheme of the present invention, a plurality of guide rods are disposed on an upper surface of the middle table body, the guide rods correspond to the arc-shaped grooves one to one, one end of each guide rod is mounted at a position of a circle center of the middle table body through a rotating shaft seat, and the other end of each guide rod penetrates through the shaft body along a radial direction of the shaft body.
As a preferable scheme of the invention, the end part of a piston push rod of the pneumatic cylinder is connected with the middle table body through an elastic piece;
the elastic piece comprises a guide sleeve fixedly connected with the middle table body, a guide shaft is sleeved in the guide sleeve, one end of the guide shaft is hinged with the end part of the piston push rod, the other end of the guide shaft extending out of the guide sleeve is provided with a stop pad, and a spring is sleeved on the guide shaft between the stop pad and the guide sleeve;
the bottom of middle stage body is rotated and is installed the drive plate, and the circumference edge of drive plate passes through the connecting piece to be connected with the junction of guiding axle and piston push rod, the centre of a circle department of drive plate is provided with the locking circle, the locking circle with the dead lever cup joints, the surface of locking circle with middle stage body threaded connection, the inner circle of locking circle is provided with the edge the axial arch of locking circle, just protruding edge the axial height of locking circle increases gradually.
As a preferable scheme of the present invention, the guide groove specifically includes a linear groove structure or a convex arc groove structure provided in a radial direction of the upper stage body.
As a preferable scheme of the invention, the upper table body is provided with a groove matched with the arc-shaped shell, and the middle of the groove is provided with a limiting seat matched with the cavity in the arc-shaped shell.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a technical scheme capable of realizing automatic clamping of a metal piece to be cut on a workbench, which mainly enables an arc-shaped shell to have longitudinal position adjustment through a springing assembly, has certain adaptability on the surface of the irregular metal piece to be cut, which is in contact with a disc workbench, and the arc-shaped shell pressed by the metal piece to be cut is reduced in adaptive height, so that two arc-shaped shells adjacent in the radial direction of the disc workbench have height difference, and the metal piece to be cut can be pre-clamped through the generated height difference; the clamping of the machine tool for the metal piece to be cut provided by the invention is based on the pre-clamping of the metal piece to be cut and the common clamping of the claw bodies driven by the driving device, so that the rapid clamping process of the metal piece to be cut is realized, the manual clamping operation of each claw body by manual clamping is avoided, and the position adjustment of the metal piece to be cut in the clamping process is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic diagram of a disk table of a processing machine according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram providing a top view of a disk table without an arc housing installed thereon according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a lower stage body and a rotating disk according to an embodiment of the present invention;
FIG. 4 is a schematic bottom view of the intermediate stage according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an intermediate stage according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a disc table; 2-a guide groove; 3-concentric ring group; 4-an arc-shaped shell; 5-a spring assembly; 6-clamping the body; 7-a drive assembly; 8-a paw body; 9-an elastic member; 10-a groove; 11-a limiting seat;
101-upper table body; 102-an intermediate stage body; 103-lower stage body; 104-a fixing bar; 105-a circle center through hole; 106-ring groove; 107-friction ring body; 108-a guide bar; 109-rotating shaft seat;
71-pneumatic cylinders; 72-piston pusher; 73-arc-shaped groove;
81-sliding seat; 82-shaft body; 83-a collar;
91-a guide sleeve; 92-a guide shaft; 93-a stop pad; 94-a spring; 95-rotating the disc; 96-a locking ring; 97-convex; 98-connecting piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the present invention provides a metal cutting machine tool capable of quick clamping, comprising:
the disc workbench 1 is provided with a plurality of guide grooves 2 uniformly distributed in the radial direction of the disc workbench 1, and the guide grooves 2 extend from the circumferential edge of the disc workbench 1 to the center of the disc workbench 1;
the surface of the disc workbench 1 is provided with a concentric ring group 3, each ring of the concentric ring group 3 is uniformly divided into a plurality of arc-shaped shells 4 by a plurality of guide grooves 2, and the arc-shaped shells 4 are arranged on the disc workbench 1 through an elastic component 5;
the clamping main body 6, the clamping main body 6 is including installing the drive assembly 7 inside the disc workstation 1 and the claw body 8 of setting in guide slot 2, and the claw body 8 protrusion disc workstation 1's plane, and drive assembly 7 is used for a plurality of claw bodies 8 of synchronous drive to move along guide slot 2 until with place on disc workstation 1 and treat that processing metal part surface contact.
The invention provides a technical scheme capable of realizing automatic clamping of a metal piece to be cut on a workbench, which mainly comprises the following steps that an arc-shaped shell 4 is longitudinally adjusted (in the axial direction of the whole disc workbench) through a spring assembly 5, namely when the metal piece is placed on the disc workbench 1, the arc-shaped shell 4 pressed by the metal piece to be cut has certain adaptability to an irregular metal piece to be cut (aiming at the surface of the metal piece to be cut contacted with the disc workbench 1), and meanwhile, the height of the arc-shaped shell 4 is reduced in the adaptability, so that two arc-shaped shells 4 adjacent in the radial direction of the disc workbench 1 have height difference, and the metal piece to be cut can be pre-clamped through the generated height difference.
At this time, the driving assembly 7 works, and the driving assembly 7 drives the plurality of claw bodies 8 to move along the guide groove 2 until the claw bodies are contacted with the surface of the metal piece to be cut, wherein the position of the metal piece to be cut of the claw bodies 8 is subjected to stress change, and corresponding supporting points between the metal piece to be cut and the arc-shaped shell 4 are found again, that is, more supporting positions exist between the claw bodies 8 and the arc-shaped shell 4, and stable clamping and clamping are completed.
That is to say, the clamping of the machine tool to the metal piece to be cut provided by the invention is based on the pre-clamping of the metal piece to be cut and the common clamping of the claw bodies 8 driven by the driving device, so that the rapid clamping process of the metal piece to be cut is realized, and the manual clamping operation of each claw body 8 by manual clamping and the position adjustment of the metal piece to be cut in the clamping process are avoided.
Of course, in view of the actual clamping situation, the surface of the claw body 8 in contact with the metal piece may be provided with a rubber pad to avoid direct contact with the surface of the metal piece to be cut.
Further, in order to realize the rapid clamping of the claw body 8, the disc workbench 1 comprises an upper table body 101, a middle table body 102 and a lower table body 103 which are mainly of disc-shaped structures, a plurality of guide grooves 2 are arranged on the surface of the upper table body 101, the guide grooves 2 extend to the center of the middle table body 102 along the axial direction of the upper table body 101, and the driving assembly 7 is arranged on the middle table body 102; the upper table body 101 is fixedly connected with the lower table body 103 through the fixing rod 104, the fixing rod 104 penetrates through the middle table body 102, a circle center through hole 105 through which the fixing rod 104 penetrates is formed in the middle table body 102, and a large force needs to be provided when a metal piece to be cut is clamped, the claw body 8 is directly driven by the driving device to clamp the metal piece, so that the stress of the metal piece in the cutting process directly acts on a driving part of the clamping assembly, and the driving part is easily damaged in the long-time working process.
Further, in order to improve the stability of clamping, mainly by a method of increasing friction force, on the basis of the above, the surfaces of the upper surface and the lower surface of the middle table 102 close to the outer ring are both provided with the ring grooves 106, and the upper table 101 and the lower table 103 are both provided with the friction ring bodies 107 matched with the ring grooves 106, that is, by the friction contact between the friction ring bodies 107 and the ring grooves 106, the stability of the contact between the claw body 8 and the metal piece to be cut is realized.
Then, in the design of the driving assembly 7, the driving assembly 7 comprises a plurality of pneumatic cylinders 71, the plurality of pneumatic cylinders 71 are uniformly arranged on the bottom circumference of the middle table body 102, the end of a piston push rod 72 of each pneumatic cylinder 71 is connected to the middle table body 102 along the tangential direction of the middle table body 102, and the end of each pneumatic cylinder 71 far away from the middle table body 102 is fixedly connected to the lower table body 103, wherein the plurality of pneumatic cylinders 71 synchronously work to drive the middle table body 102 to rotate around a fixed rod 104, so as to drive the middle table body 102 to rotate.
The surface of the middle table body 102, which is in contact with the upper table body 101, is uniformly distributed with a plurality of arc-shaped grooves 73 along the radial direction of the surface, the arc-shaped grooves 73 extend from the circumferential edge of the middle table body 102 to the center of the middle table body 102, and the claw body 8 is slidably mounted in the arc-shaped grooves 73. The arc-shaped groove 73 and the guide groove 2 are crossed in longitudinal projection, and the claw body 8 is always positioned at the crossed point of the arc-shaped guide groove 73 and the guide groove 2, so that the claw body 8 is not fixedly connected with the driving assembly 7, but is limited by the arc-shaped groove 73 and the guide groove 2, and the clamping stability of the claw body 8 is ensured.
The main working principle of the driving of the claw body 8 is that the claw body 8 moves along the arc-shaped groove 73 under the guiding limit of the guide groove 2 because the middle table body 102 rotates under the driving of the pneumatic cylinder 71 and the guide groove 2 is fixed (namely, the projection intersection point of the arc-shaped groove 73 and the guide groove 2 is continuously changed because of the middle table body 102).
Because the claw body 8 needs to slide synchronously in the arc-shaped groove 73 and the guide groove 2, further, the invention designs a claw body 8 which meets the sliding requirement, the claw body 8 comprises a sliding seat 81 matched with the guide groove 2, the bottom of the sliding seat 81 is provided with a shaft body 82 extending into the arc-shaped groove 73, and the tail end of the shaft body 82 is provided with a lantern ring 83 in a rolling way; of course, the type of contact between the sliding seat 81 and the guide slot 2 is preferably a rolling contact and does not leave the guide slot 2, as is the contact of the collar 83 with the arcuate slot 73 and does not leave the arcuate slot 73.
The integral body formed by connecting the sliding seat 81 and the shaft body 82 has an angle of 70-90 degrees with the horizontal plane, so that the claw body 8 can be clamped with the surface of a metal piece to be cut at a certain angle, namely, the component force in the horizontal direction of the metal piece to be cut is increased, the clamping force is improved, and the clamping stability is ensured.
Further, in order to improve the stability of the claw 8 when moving along the arc-shaped grooves 73 and the guide grooves 2, a plurality of guide rods 108 are arranged on the upper surface of the middle table 102, the guide rods 108 correspond to the arc-shaped grooves 73 one by one, one end of each guide rod 108 is mounted at the position of the center of a circle of the middle table 102 through a rotating shaft seat 109, and the other end of each guide rod 108 penetrates through the shaft body 82 along the radial direction of the shaft body 82, so that the acting force directions for limiting the claw 8 are changed into 3, specifically, the length direction of the guide grooves 2, the length direction of the guide rods 108 and the direction of the center of a circle of the arc-shaped grooves 73, and the intersection point of extension lines of the three directions is the position of the claw 8;
of course, in order to accommodate the limitation in three directions and the position change, the shaft body 82 of the claw body 8 needs to be rotatably connected with the sliding seat 81.
Further, in the invention, in order to realize the locking of the metal part by the claw body 8 at any position in the process of matching the driving state of the pneumatic cylinder 71 to the middle table body 102, the middle table body 102 can also lock at any position, so as to ensure the stability of clamping the metal part by the claw body 8.
Further, in order to achieve stable clamping of the claw body 8 when in contact with the surface of the metal piece to be cut at any position (in cooperation with the arc-shaped housing 4) and to enable the intermediate table 102 to be locked, the end of the piston push rod 72 of the pneumatic cylinder 71 is connected to the intermediate table 102 through the elastic member 9. The elastic element 9 comprises a guide sleeve 91 fixedly connected with the middle table body 102, a guide shaft 92 is sleeved in the guide sleeve 91, one end of the guide shaft 92 is hinged with the end part of the piston push rod 72, a stop pad 93 is arranged at the other end of the guide shaft 92 extending out of the guide sleeve 91, and a spring 94 is sleeved on the guide shaft 92 between the stop pad 93 and the guide sleeve 91. The bottom of middle stage body 102 is rotated and is installed driving disk 95, and the circumference edge of driving disk 95 passes through connecting piece 98 and is connected with the junction of guiding shaft 92 and piston push rod 72, and the centre of a circle department of driving disk 95 is provided with locking ring 96, and locking ring 96 cup joints with dead lever 104, and the surface and the middle stage body 102 threaded connection of locking ring 96, and the inner circle of locking ring 96 is provided with along the axial arch 97 of locking ring 96, and protruding 97 increases along the axial height of locking ring 96 gradually.
In a specific implementation process, the piston push rod 72 of the pneumatic cylinder 71 pushes the guide shaft 92 to move along the guide sleeve 91 when doing an extending action, at this time, the guide shaft 92 compresses the spring 94 through the stop pad 93, and applies force on the guide sleeve 91 so that the pneumatic cylinder 71 drives the middle table body 102 to rotate around the fixing rod 104, at this time, the claw body 8 is not yet in contact with the metal piece, and at this time, the transmission disc 95 and the middle table body 102 rotate synchronously.
When the claw body 8 contacts with a metal piece to be clamped and clamping is completed, the position of the claw body 8 cannot move continuously in the guide groove 2 and the arc-shaped groove 73, the piston push rod 72 of the pneumatic cylinder 71 continues to extend, the stop pad 93 further compresses the spring 94, the middle table body 102 stops rotating at the moment, the guide shaft continues to move along the guide sleeve 91, the piston push rod 72 pushes the driving disc 95 to rotate through the connecting piece, the driving disc 95 rotates relative to the middle table body 102 at the moment, the locking ring 96 is spirally combined with the middle table body 102, the locking ring 96 is displaced along the axial direction of the fixing rod 104, and the protrusion 97 contacts with the surface of the fixing rod 104 to generate acting force along the radial direction of the fixing rod 104.
In the above process, the transmission disc 95 has a certain movement space in the axial direction of the intermediate table 102.
According to the invention, the middle table body 102 and the fixing rod 104 can be locked, and the middle table body 102 can be in close contact with the lower surface of the upper table body 101, so that the contact friction force between the friction ring body 107 and the ring groove 106 between the middle table body 102 and the upper table body 101 is increased; in this way, the intermediate table 102 can be locked in position after the claw bodies 8 complete the clamping operation, regardless of the positions of the claw bodies 8 and the metal member to be cut on the upper table 101 and regardless of the shape of the metal member to be cut.
It is additionally noted that the friction ring body 107 and the ring groove 106 are provided on the surface close to the peripheral edge of the structure.
Further, the guide groove 2 of the present invention specifically includes a linear groove structure or a convex arc groove structure disposed in the radial direction of the upper stage body 101.
In the invention, in order that the arc-shaped shell 4 can change in height under the action of the elastic component 5 when being pressed by a metal piece, the upper table body 101 is provided with a groove 10 matched with the arc-shaped shell 4, and meanwhile, in order to avoid that the gravity of the metal piece exceeds the stress limit of the elastic component 5, the middle of the groove 10 is provided with a limiting seat 11 matched with the cavity in the arc-shaped shell 4, namely, when the mass of the metal piece exceeds a certain limit, the arc-shaped shell 4 is contacted with the top of the limiting seat 11, so that the arc-shaped shell 4 is limited from further lowering.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (9)
1. A metal cutting machine tool capable of clamping rapidly, characterized by comprising:
the disc workbench (1), a plurality of guide grooves (2) are uniformly distributed in the radial direction of the disc workbench (1), and the guide grooves (2) extend from the circumferential edge of the disc workbench (1) to the center of the disc workbench (1);
the disc workbench (1) is provided with a concentric ring group (3) on the surface, each ring of the concentric ring group (3) is uniformly divided into a plurality of arc-shaped shells (4) by the guide grooves (2), and the arc-shaped shells (4) are arranged on the disc workbench (1) through elastic components (5);
centre gripping main part (6), centre gripping main part (6) are including installing drive assembly (7) and the setting inside disc workstation (1) are in claw body (8) in guide slot (2), just claw body (8) protrusion the plane of disc workstation (1), drive assembly (7) are used for the synchronous drive a plurality of claw body (8) are followed guide slot (2) remove until with place treat processing metalwork surface contact on disc workstation (1).
2. A quick-clamping metal cutting machine according to claim 1,
the disc workbench (1) comprises an upper workbench body (101), a middle workbench body (102) and a lower workbench body (103), a plurality of guide grooves (2) are arranged on the surface of the upper workbench body (101), the guide grooves (2) extend to the center of the middle workbench body (102) along the axial direction of the upper workbench body (101), and the driving assembly (7) is installed on the middle workbench body (102);
the upper table body (101) is fixedly connected with the lower table body (103) through a fixing rod (104), the fixing rod (104) penetrates through the middle table body (102), and a circle center through hole (105) for the fixing rod (104) to penetrate through is formed in the middle table body (102).
3. A quick-clamping metal-cutting machine according to claim 2,
the upper surface of middle stage body (102) and the surface that is close to the outer lane of lower surface all are provided with annular groove (106), go up stage body (101) with all be provided with on lower stage body (103) with annular groove (106) matched with friction ring body (107).
4. A quick-clamping metal cutting machine according to claim 2,
the driving assembly (7) comprises a plurality of pneumatic cylinders (71), the pneumatic cylinders (71) are uniformly arranged at the bottom periphery of the middle table body (102), the end parts of piston push rods (72) of the pneumatic cylinders (71) are connected to the middle table body (102) along the tangential direction of the middle table body (102), the end parts of the pneumatic cylinders (71) far away from the middle table body (102) are fixedly connected to the lower table body (103), and the pneumatic cylinders (71) synchronously work to drive the middle table body (102) to rotate around the fixing rod (104);
the middle table body (102) is in contact with the upper table body (101), a plurality of arc-shaped grooves (73) are uniformly distributed in the radial direction of the surface, the arc-shaped grooves (73) extend from the circumferential edge of the middle table body (102) to the center of the middle table body (102), and the claw body (8) is slidably mounted in the arc-shaped grooves (73);
wherein the arc-shaped groove (73) and the guide groove (2) are crossed in the projection in the longitudinal direction.
5. A quick-clamping metal cutting machine according to claim 4,
the claw body (8) comprises a sliding seat (81) matched with the guide groove (2), a shaft body (82) extending into the arc-shaped groove (73) is arranged at the bottom of the sliding seat (81), and a sleeve ring (83) is arranged at the tail end of the shaft body (82) in a rolling mode;
wherein, the whole body connected with the sliding seat (81) and the shaft body (82) has an included angle of 70-90 degrees with the horizontal plane.
6. A quick-clamping metal cutting machine according to claim 5,
the upper surface of the middle table body (102) is provided with a plurality of guide rods (108), the guide rods (108) are in one-to-one correspondence with the arc-shaped grooves (73), one end of each guide rod (108) is installed at the position of the circle center of the middle table body (102) through a rotating shaft seat (109), and the other end of each guide rod (108) penetrates through the shaft body (82) along the radial direction of the shaft body (82).
7. A quick-clamping metal cutting machine according to claim 6,
the end part of a piston push rod (72) of the pneumatic cylinder (71) is connected with the middle table body (102) through an elastic piece (9);
the elastic piece (9) comprises a guide sleeve (91) fixedly connected with the middle table body (102), a guide shaft (92) is sleeved in the guide sleeve (91), one end of the guide shaft (92) is hinged with the end part of the piston push rod (72), a stop pad (93) is arranged at the other end of the guide shaft (92) extending out of the guide sleeve (91), and a spring (94) is sleeved on the guide shaft (92) between the stop pad (93) and the guide sleeve (91);
the bottom of middle stage body (102) is rotated and is installed driving disc (95), the circumference edge of driving disc (95) pass through the connecting piece with guiding shaft (92) with the junction of piston push rod (72) is connected, the centre of a circle department of driving disc (95) is provided with locking ring (96), locking ring (96) with dead lever (104) cup joint, the surface of locking ring (96) with middle stage body (102) threaded connection, the inner circle of locking ring (96) is provided with the edge locking ring (96) axial arch (97), just protruding (97) are followed the axial height of locking ring (96) increases gradually.
8. A quick-clamping metal cutting machine according to claim 2,
the guide groove (2) specifically comprises a linear groove body structure or a convex arc groove body structure arranged on the upper table body (101) in the radial direction.
9. A quick-clamping metal cutting machine according to claim 2,
the upper table body (101) is provided with a groove (10) matched with the arc-shaped shell (4), and a limiting seat (11) matched with the cavity in the arc-shaped shell (4) is arranged in the middle of the groove (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210485605.9A CN114799979B (en) | 2022-05-06 | 2022-05-06 | Metal cutting machine tool capable of being clamped rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210485605.9A CN114799979B (en) | 2022-05-06 | 2022-05-06 | Metal cutting machine tool capable of being clamped rapidly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114799979A true CN114799979A (en) | 2022-07-29 |
| CN114799979B CN114799979B (en) | 2024-06-25 |
Family
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| CN202210485605.9A Active CN114799979B (en) | 2022-05-06 | 2022-05-06 | Metal cutting machine tool capable of being clamped rapidly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117516799A (en) * | 2024-01-08 | 2024-02-06 | 河南蒲瑞精密机械有限公司 | Balance detection assembly of planetary reducer of crane and working method |
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| CN117516799B (en) * | 2024-01-08 | 2024-03-22 | 河南蒲瑞精密机械有限公司 | Balance detection assembly of planetary reducer of crane and working method |
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|---|---|
| CN114799979B (en) | 2024-06-25 |
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