CN117300897B - Multi-cutter-head rotary clamp for numerical control machining - Google Patents
Multi-cutter-head rotary clamp for numerical control machiningInfo
- Publication number
- CN117300897B CN117300897B CN202311385146.8A CN202311385146A CN117300897B CN 117300897 B CN117300897 B CN 117300897B CN 202311385146 A CN202311385146 A CN 202311385146A CN 117300897 B CN117300897 B CN 117300897B
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- Prior art keywords
- clamping block
- clamping
- seat
- block
- cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a multi-cutter-head rotary clamp for numerical control machining, which comprises a fixed seat, a rotary seat, a first locking mechanism, at least 5 cutter clamping units and cutter clamping units, wherein the fixed seat is used for being installed on a cutter installation table of a lathe, the rotary seat is rotatably arranged on the fixed seat, the first locking mechanism is arranged between the fixed seat and the rotary seat and is used for restraining the rotary seat from rotating, the cutter clamping units are arranged on the rotary seat and take a rotary shaft of the rotary seat as an axis to form an equiangular annular array, and each cutter clamping unit can radially slide along the rotary seat. The invention solves the problems of small clamping quantity of the square tool rest to the tools and weak universality of clamping the tools with different specifications in the prior art, and achieves the purpose of improving the universality and practicability of the clamping of the tools.
Description
Technical Field
The invention relates to the technical field of numerical control machining, in particular to a multi-cutter-head rotary clamp for numerical control machining.
Background
At present, in the numerical control machining field, the numerical control lathe is most widely applied, but most of numerical control lathes have square lathes, 4 lathes are clamped at most at one time, and because the practicability is not strong, an operator clamps only one cutter, the cutter is dismounted after being worn, the cutter is sharpened on a grinding wheel, and the cutter is clamped again after being sharpened, so that the operation efficiency is reduced, and therefore, the multi-cutter head overturning fixture which has strong practicability and can adapt to different specifications and sizes is designed, and the numerical control lathe has very important significance.
Disclosure of Invention
The invention aims to provide a multi-tool-bit rotary clamp for numerical control machining, which is used for solving the problems that in the prior art, the clamping quantity of square tool holders to tools is small and the universality of clamping tools with different specifications is not strong, and achieving the purpose of improving the universality and the practicability of the clamping tools.
The invention is realized by the following technical scheme.
According to an aspect of the present invention, there is provided a multi-bit rotary jig for numerical control machining, comprising:
The fixed seat is used for being arranged on a cutter mounting table of the lathe;
the rotating seat is rotatably arranged on the fixed seat;
the first locking mechanism is arranged between the fixed seat and the rotating seat and used for restraining the rotating seat from rotating;
The cutter clamping units are at least 5 and are arranged on the rotating seat, the rotating shafts of the rotating seat are used as axes to form an equiangular annular array, and each cutter clamping unit can slide along the circumferential direction of the rotating seat.
Preferably, the tool holding unit includes:
The first clamping block is connected with the rotating seat in a sliding manner;
The second clamping block is arranged opposite to the first clamping block, is connected with the rotating seat in a sliding manner and can slide relative to the first clamping block;
The driving mechanism is arranged on the first clamping block and the second clamping block and is used for driving the first clamping block and the second clamping block to synchronously move towards opposite directions or opposite directions;
the third clamping block is positioned between the first clamping block and the second clamping block, is in sliding connection with the first clamping block and the second clamping block, and the sliding direction is perpendicular to the sliding direction of the first clamping block and the second clamping block;
the second locking mechanism is arranged on the first clamping block and the second clamping block and used for locking the sliding of the third clamping block;
The pushing mechanism is arranged between the first clamping block and the second clamping block in a sliding manner, the base of the pushing mechanism is fixedly connected with the rotating seat, and the pushing mechanism moves back and forth along the axial direction of the first clamping block and the second clamping block and is used for clamping a cutter.
Preferably, the driving mechanism comprises a positive and negative screw rod and a first lock nut assembly;
The two ends of the positive and negative screw rod penetrate through the first clamping block and the second clamping block respectively, are in threaded connection with the rear ends of the first clamping block and the second clamping block, and are locked through the first locking nut component, so that the first clamping block and the second clamping block synchronously move in opposite directions or are reversely moved, and the cutter is clamped in a centering mode.
Preferably, the lower end surfaces of the first clamping block and the second clamping block are fixedly provided with two T-shaped sliding blocks, and the two T-shaped sliding blocks are used for being matched with a first T-shaped sliding groove formed in the surface of the rotating seat and are in sliding connection along the circumferential direction of the rotating seat.
Preferably, the third clamping block comprises a main board and an ear board, wherein the ear board is arranged on two sides of the main board in a telescopic mode, sliding cavities are formed in the first clamping block and the second clamping block, and the ear board can slide up and down in the sliding cavities.
Preferably, the second locking mechanism comprises a second screw rod, a second locking nut assembly and a plurality of cushion blocks, wherein the second screw rod penetrates through the sliding cavity and the lug plate to be fixedly connected with the bottom surface end of the sliding cavity, and the cushion blocks are sleeved on the second screw rod.
Preferably, the ejection mechanism comprises a base, a third screw rod, a push block and a third locking nut component, wherein the base is fixedly connected with the rotating seat, the third screw rod penetrates through the base and is in threaded connection with the base, one end of the third screw rod is rotationally connected with the push block, the push block is axially and slidably connected along the first clamping block and the second clamping block, and the third locking nut component is in threaded connection with the third screw rod and is propped against the base.
Preferably, the lower parts of the inner surfaces of the first clamping block and the second clamping block are axially provided with a second T-shaped chute, two side wings of the pushing block are provided with T-shaped structures matched with the second T-shaped chute, the third screw rotates along the pushing block, and the pushing block is pushed to be in contact with the rear end surface of the cutter.
Preferably, the clamping device further comprises a locking screw rod penetrating through the front ends of the first clamping block and the second clamping block respectively.
Preferably, the first locking mechanism comprises a claw and a bolt;
A plurality of first clamping grooves are formed in the side surface of the rotating seat in an annular array manner, at least two symmetrical second clamping grooves are formed in the fixing seat, a plurality of clamping strips are arranged in the lower surface of the rotating seat in an annular array manner, a plurality of third clamping grooves are formed in the upper surface of the fixing seat in an annular array manner, the third clamping grooves are mutually clamped with the clamping strips, when the third clamping grooves are mutually clamped with the clamping strips, the first clamping grooves are positioned right above the second clamping grooves, and the clamping claws can be inserted into the first clamping grooves and the second clamping grooves;
at least two bolts penetrate through the clamping jaws and are in threaded connection with the rotating seat and the fixing seat respectively.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
The multi-cutter-head rotary clamp for numerical control machining can realize connection and fixation of an existing lathe tool rest seat and a rotary seat through the arrangement of the fixed seat, can realize rotation of a cutter through the relative rotation arrangement of the rotary seat and the fixed seat, can realize clamping and fixation of the cutter and arrangement of multiple cutter heads through at least five cutter clamping units arranged on the rotary seat, and can realize rotation constraint of a rotary seat through the arrangement of a first locking structure, so that the integral stability of the clamp in the machining process is further realized. Therefore, the problem that the square tool rest has small clamping quantity on tools and has weak universality on tools with different specifications in the prior art is effectively solved, and the purposes of improving the universality and the practicability of the tool clamping are achieved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and constitute a part of this specification, are incorporated in and constitute a part of this specification and do not limit the application in any way, and in which:
FIG. 1 is a schematic perspective view of a multi-cutter-head rotary clamp for numerical control machining;
FIG. 2 is a schematic perspective view of a tool holding unit according to the present invention;
Fig. 3 is a schematic perspective view of a tool holding unit according to another aspect of the present invention;
FIG. 4 is a schematic perspective view of a positive and negative screw and a first lock nut assembly provided by the invention;
FIG. 5 is a schematic top view of a tool holding unit according to the present invention;
FIG. 6 is a schematic view of a cutter clamping unit according to the present invention in an axial cross-sectional configuration;
FIG. 7 is a schematic view of a first locking mechanism according to the present invention;
FIG. 8 is a schematic diagram of a first T-shaped chute opening position of a rotary seat according to the present invention;
fig. 9 is a schematic diagram of a three-dimensional structure of a multi-cutter-head rotary clamp for numerical control machining after clamping a cutter.
Reference numerals:
1. A fixing seat; 101, second clamping groove, 102, third clamping groove;
2. a rotating seat; 201, a first clamping groove, 202, clamping strips, 203, a first T-shaped chute;
3. a first locking mechanism; 301, clamping jaws 302, bolts;
4. A tool clamping unit;
401. 4011, a sliding cavity, 4012, a second T-shaped chute;
402. a second clamping block;
403. 4031, a main board, 4032 and an ear board;
404. A driving mechanism; 4041, a positive and negative screw rod, 4042, a first lock nut assembly, 4043, a first thread section, 4044 and a second thread section;
405. the second locking mechanism, 4051, a second screw, 4052, a second lock nut assembly, 4053 and a cushion block;
406. 4061, a base, 4062, a third screw, 4063 and a pushing block;
407. Locking the screw rod;
5. And (5) turning tools.
Detailed Description
The present invention will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the exemplary embodiments and descriptions of the present invention are provided for illustration of the invention and are not intended to be limiting.
The technical scheme of the multi-tool-bit rotary clamp for numerical control machining is described below by combining the embodiment shown in fig. 1 to 9, wherein the multi-tool-bit rotary clamp for numerical control machining comprises a fixed seat 1, a rotary seat 2, a first locking mechanism 3 and a tool clamping unit 4, the fixed seat 1 is arranged on a tool mounting table of a lathe, the rotary seat 2 is rotatably arranged on the fixed seat 1, the first locking mechanism 3 is arranged between the fixed seat 1 and the rotary seat 2 and used for restraining rotation of the rotary seat 2, the tool clamping unit 4 is at least provided with five, is arranged on the rotary seat 2 and is distributed in an equiangular annular array by taking a rotation shaft of the rotary seat 2 as an axis.
In fig. 1, a specific structure of a multi-tool-bit rotary fixture for numerical control machining is illustrated, wherein 8 tool clamping units 4 are arranged and are all equiangularly distributed by the rotation axis of a rotary seat 2, the rotary seat 2 is rotatably mounted with a fixed seat 1 through a rotating shaft, and the fixed seat 1 is fixedly mounted on a tool rest seat of a lathe.
The multi-cutter-head rotating clamp for numerical control machining provided by the invention can realize connection and fixation of the existing lathe cutter frame seat and the rotating seat 2 through the arrangement of the fixed seat 1, can realize rotation of cutters through the relative rotation arrangement of the rotating seat 2 and the fixed seat 1, can realize clamping and fixation of cutters and arrangement of multiple cutter heads through at least five cutter clamping units 4 arranged on the rotating seat 2, and can realize rotation constraint of the rotating seat 2 through the arrangement of the first locking structure 3, thereby further realizing integral stability of the clamp in the machining process. Therefore, the problem that the square tool rest has small clamping quantity on tools and has weak universality on tools with different specifications in the prior art is effectively solved, and the purposes of improving the universality and the practicability of the tool clamping are achieved.
The multi-cutter-head rotary clamp for numerical control machining provided by the embodiment of the invention is shown in fig. 2 to 5.
The tool clamping unit comprises a first clamping block 401, a second clamping block 402, a driving mechanism 404, a pushing mechanism 406, a third clamping block 403 and a second locking mechanism 405, wherein the first clamping block 401 and the second clamping block 402 are all cuboid metal blocks and are relatively arranged in parallel and can slide relatively, the driving mechanism 404 is jointly connected with the rotating seat 2 in a sliding mode, penetrates through the first clamping block 401 and the second clamping block 402 and is used for driving the first clamping block 401 and the second clamping block 402 to synchronously move towards opposite directions, the third clamping block 403 is located between the first clamping block 401 and the second clamping block 402 and is in sliding connection with the first clamping block 401 and the second clamping block 402, the sliding direction of the third clamping block 403 is perpendicular to the sliding direction of the first clamping block 401 and the second clamping block 402, and the second locking mechanism 405 is respectively arranged on the first clamping block 401 and the second clamping block 402 and is used for locking sliding of the third clamping block 403.
As shown in fig. 3 and 4, the driving mechanism 404 comprises a forward and reverse screw 4041 and a first locking nut assembly 4042, wherein the forward and reverse screw 4041 is provided with a first thread section 4043 and a second thread section 4044, the first thread section 4043 and the second thread section 4044 are opposite in spiral direction, equal in spiral angle and equal in pitch, the first thread section 4043 is in threaded connection with the first clamping block 401, the second thread section 4044 is in threaded connection with the second clamping block 402, and the first locking nut assembly 4042 is respectively connected with the first thread section 4043 and the second thread section 4044 and is positioned outside the first clamping block 401 and the second clamping block 402.
The working principle of the cutter clamping unit is as shown in fig. 2,3 and 5, two T-shaped sliding blocks are fixedly welded on the lower end faces of a first clamping block 401 and a second clamping block 402 of the cutter clamping unit and are used for being matched with a first T-shaped sliding groove 203 formed in the surface of a rotating seat 2, the first T-shaped sliding grooves 203 distributed on the surface of the rotating seat 2 at intervals along the circumferential direction are shown in fig. 8, the first clamping block 401 and the second clamping block 402 can move towards each other or away from each other under the constraint of the first T-shaped sliding groove 203, two ends of a positive and negative screw 4041 in a driving mechanism 404 respectively penetrate through the first clamping block 401 and the second clamping block 402 and are in threaded connection with the rear ends of the first clamping block 401 and the second clamping block 402, so that the first clamping block 401 and the second clamping block 402 can synchronously move towards each other or away from each other, centering and clamping can be carried out on a cutter, whether the central axis of the cutter is coincident with the central axis of a cutter holder or not needed, and even if the central axis of the cutter is slightly deviated, the cutter can be additionally regulated at the center of a cutter handle of the cutter.
As shown in fig. 3, the ejector mechanism 406 is disposed at the rear between the first clamping block 401 and the second clamping block 402, the ejector mechanism 406 is fixedly connected to the rotating base 2, and the first clamping block 401 and the second clamping block 402 are slidably connected to two sides of the ejector mechanism 406.
As shown in fig. 5, the pushing mechanism 406 includes a base 4061, a third screw 4062, a pushing block 4063 and a third lock nut assembly (not shown in the drawing), wherein the base 4061 is fixedly connected with the rotating seat 2, the base 4061 is fixedly welded with the rotating seat 2 or fixedly installed through a bolt 302 assembly, the third screw 4062 axially penetrates the base 4061 along the first clamping block 401 and the second clamping block 402 and is in threaded connection with the base 4061, one end of the third screw 4062 is rotationally connected with the pushing block 4063, the pushing block 4063 can be pushed or pulled back under the action of the third screw 4062, and the pushing block 4063 is slidably connected with the first clamping block 401 and the second clamping block 402 and can reciprocate along the axial directions of the first clamping block 401 and the second clamping block 402. The third lock nut assembly is threadably mounted on the third screw 4062 and the third lock nut assembly can be pressed against the rear side of the base 4061.
The cutter is supported and fixed better, namely, the cutter can vibrate during working, the cutter is difficult to move forwards and backwards only by the clamping force of the first clamping block and the second clamping block, the problem that the cutter moves backwards is solved by the arrangement of the pushing block 4063, and the pushing block is always in sliding connection with the first clamping block and the second clamping block.
In the present embodiment, the sliding structure of the pushing block 4063 is that, as shown in fig. 6, a second T-shaped chute 4012 is formed at the lower part of the inner surfaces of the first clamping block and the second clamping block along the axial direction, two side wings of the pushing block 4063 have T-shaped structures, and can be mounted in cooperation with the second T-shaped chute 4012, and when the third screw 4062 is rotated, the pushing block 4063 is pushed until contacting with the rear end surface of the cutter.
As shown in fig. 3, locking screws 407 are respectively inserted into the front ends of the first clamping block 401 and the second clamping block 402, a fourth locking nut assembly (not shown in the drawing) is disposed on the locking screws 407, and the fourth locking nut assemblies are disposed on the outer sides of the first clamping block 401 and the second clamping block 402, so as to form clamping and force application balance with the driving mechanism 404.
The multi-cutter-head rotating clamp for numerical control machining provided by the embodiment of the invention is as shown in fig. 5 and 6:
The third clamping block 403 includes a main plate 4031 and an ear plate 4032, and the main plate 4031 and the ear plate 4032 are both made of steel. The number of the ear plates 4032 is even, a plurality of pairs of ear plates 4032 are symmetrically and telescopically installed on two sides of the main board 4031 respectively, and corresponding first clamping blocks 401 and second clamping blocks 402 are provided with sliding cavities 4011, and the ear plates 4032 can slide up and down in the sliding cavities 4011.
The second locking mechanism 405 comprises a second screw 4051, a second locking nut assembly 4052 and a plurality of cushion blocks 4053, wherein the number of the second screw 4051 is the same as that of the lug plates 4032, the number of the second locking nuts is the same as that of the second screw 4051, the second screw 4051 penetrates through the sliding cavity 4011 and the lug plates 4032 to be fixedly connected with the bottom surface end of the sliding cavity 4011, the cushion blocks 4053 are sleeved on the second screw 4051, and the lug plates 4032 are positioned between the cushion blocks 4053.
The third clamping block 403 and the second locking mechanism 405 operate according to the principle that the lug plate 4032 of the third clamping block 403 is partially inserted into the side surface of the main board 4031 and can stretch and retract to a certain extent, so as to respond to the sliding of the clamping block, and the inserting end of the lug plate and the main board have a limiting structure, so that the lug plate is not pulled out, or when the third clamping block 403 is at the maximum separation position, the lug plate is still partially inserted into the main board, so that the integrity of the third clamping block is ensured.
The main board 4031 mainly applies downward pressure to the cutter, the lug plate 4032 is positioned in the sliding cavity 4011, a second screw 4051 is fixedly and vertically arranged in the sliding cavity 4011, a plurality of gaskets are sleeved on the second screw 4051, the thickness of each gasket can be adjusted along with the thickness of the cutter so as to ensure that the upper end face of the cutter is aligned with the upper end face of the whole gasket, thus the lug plate 4032 can be supported and the lug plate 4032 is not easy to deform, the lug plate 4032 needs to be positioned between the gaskets, the gaskets on the upper end face of the lug plate 4032 can increase the force application area of the lug plate 4032 and further reduce the pressure, a second locking nut assembly 4052 is arranged above the gaskets in a threaded manner, the locking nut integrally applies downward pressure to the third clamping block 403, a pressing plate is further arranged on the upper portion of the second screw 4051 in a penetrating manner, and spans the upper end opening of the sliding cavity 4011 and is fixed through the bolt 302 assembly, and the pressing plate 4032 has the effect on the second screw 4051 so as not to swing in the process of stabilizing the second screw 4051.
According to the multi-tool-bit rotary clamp for numerical control machining provided by the embodiment of the invention, as shown in fig. 1 and 7-9, the first locking mechanism 3 comprises a clamping jaw 301 and bolts 302, a plurality of first clamping grooves 201 are formed in an annular array on the side surface of the rotary seat 2, at least two symmetrical second clamping grooves 101 are formed in the fixed seat 1, a plurality of clamping bars 202 are formed in an annular array on the lower surface of the rotary seat 2, a plurality of third clamping grooves 102 are formed in an annular array on the upper surface of the fixed seat 1, the third clamping grooves 102 are mutually clamped and matched with the clamping bars 202, when the third clamping grooves 102 are mutually clamped and matched with the clamping bars 202, the first clamping grooves 201 are positioned right above the second clamping grooves 101, the clamping jaw 301 can be inserted into the first clamping grooves 201 and the second clamping grooves 101, and at least two bolts 302 penetrate through the clamping jaw 301 to be in threaded connection with the rotary seat 2 and the fixed seat 1 respectively.
Fig. 7 illustrates a specific structure of the first locking mechanism 3, wherein the claw 301 is in a shape of a "[", two through holes are formed in a connecting plate of the claw 301, bolts 302 are mounted on the through holes, the bolts 302 are respectively in threaded connection with the side surface of the rotating seat 2 and the side surface of the fixing seat 1, of course, eight first clamping grooves 201 are formed in the side surface of the rotating seat 2 at equal angles with a rotating shaft as a center and are used for being matched with the upper claw of the claw 301, and likewise, two second clamping grooves 101 are symmetrically formed in the side surface of the fixing seat 1 and are used for being matched with the lower claw of the claw 301, after the rotating seat 2 rotates by a certain angle, the claw 301 and the bolts 302 can be locked to ensure stability in the working process, of course, eight third clamping grooves 102 are formed in an equal angle mode on the upper surface of the rotating seat 2, and corresponding to each other, eight clamping bars 202 are fixed on the lower surface of the rotating seat 2, the clamping bars 202 and the third clamping grooves 102 are in one-to-one correspondence, in this way, the situation that the third locking mechanism is unlocked, the rotating seat 2 is lifted (the clamping grooves are not mounted in the center of the rotating seat 2, and the tool holder is not shown), and the tool holder is mounted with the clamping bars 102, and the tool holder is quickly mounted, and the lifting mechanism can be positioned quickly, and the lifting mechanism can be guaranteed.
Fig. 9 shows the clamping states of the eight turning tools 5 with the tool clamping units 4, respectively.
The invention is not limited to the above embodiments, and based on the technical solution disclosed in the invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the invention.
Claims (8)
1. The utility model provides a multitool head rotating fixture for numerical control machining which characterized in that includes:
the fixed seat (1) is used for being arranged on a cutter mounting table of a lathe;
the rotating seat (2) is rotatably arranged on the fixed seat (1);
the first locking mechanism (3) is arranged between the fixed seat (1) and the rotating seat (2) and is used for restraining the rotating seat (2) from rotating;
The cutter clamping units (4) are at least 5 and are arranged on the rotating seat (2), and the cutter clamping units (4) take a rotating shaft of the rotating seat (2) as an equiangular annular array, and can slide along the circumferential direction of the rotating seat (2);
the tool holding unit (4) includes:
The first clamping block (401) is connected with the rotating seat (2) in a sliding manner;
The second clamping block (402) is arranged opposite to the first clamping block (401) and is connected with the rotating seat (2) in a sliding manner, and can slide relative to the first clamping block (401);
the driving mechanism (404) is arranged on the first clamping block (401) and the second clamping block (402) and is used for driving the first clamping block (401) and the second clamping block (402) to synchronously move towards opposite directions or opposite directions;
The third clamping block (403) is positioned between the first clamping block (401) and the second clamping block (402), is in sliding connection with the first clamping block (401) and the second clamping block (402), and is perpendicular to the sliding direction of the first clamping block (401) and the second clamping block (402);
A second locking mechanism (405) provided on the first clamping block (401) and the second clamping block (402) for locking the sliding of the third clamping block (403);
the pushing mechanism (406) is arranged between the first clamping block (401) and the second clamping block (402) in a sliding mode, a base (4061) of the pushing mechanism (406) is fixedly connected with the rotating seat (2), and the pushing mechanism (406) moves back and forth along the axial direction of the first clamping block (401) and the axial direction of the second clamping block (402) and is used for clamping a cutter.
2. The multi-tool-bit rotating clamp for numerical control machining according to claim 1, wherein the driving mechanism (404) comprises a positive and negative screw (4041) and a first locking nut assembly (4042), wherein two ends of the positive and negative screw (4041) penetrate through the first clamping block (401) and the second clamping block (402) respectively, are in threaded connection with the rear ends of the first clamping block (401) and the second clamping block (402), and are locked through the first locking nut assembly (4042), so that the first clamping block (401) and the second clamping block (402) synchronously move in opposite directions or in opposite directions, and the tool is clamped in a centering mode.
3. The multi-tool-bit rotary clamp for numerical control machining according to claim 1, wherein two T-shaped sliding blocks are fixedly arranged on the lower end surfaces of the first clamping block (401) and the second clamping block (402) and are used for being matched with a first T-shaped sliding groove (203) formed in the surface of a rotary seat (2) to be in sliding connection with the rotary seat (2).
4. The multi-tool-bit rotary clamp for numerical control machining according to claim 1, wherein the third clamping block (403) comprises a main plate (4031) and an ear plate (4032), the ear plate (4032) is telescopically arranged on two sides of the main plate (4031), sliding cavities (4011) are formed in the first clamping block (401) and the second clamping block (402), and the ear plate (4032) can slide up and down in the sliding cavities (4011).
5. The multi-tool-bit rotary clamp for numerical control machining according to claim 4, wherein the second locking mechanism (405) comprises a second screw (4051), a second locking nut assembly (4052) and a plurality of cushion blocks (4053), the second screw (4051) penetrates through the sliding cavity (4011) and the lug plate (4032) to be fixedly connected with the bottom surface end of the sliding cavity (4011), and the cushion blocks (4053) are sleeved on the second screw (4051).
6. The multi-tool-bit rotary clamp for numerical control machining according to claim 1, wherein the pushing mechanism (406) comprises a base (4061), a third screw (4062), a pushing block (4063) and a third locking nut assembly, the base (4061) is fixedly connected with the rotary base (2), the third screw (4062) penetrates through the base (4061) and is in threaded connection with the base (4061), one end of the third screw (4062) is in rotary connection with the pushing block (4063), the pushing block (4063) is axially and slidably connected along the first clamping block (401) and the second clamping block (402), and the third locking nut assembly is in threaded connection with the third screw (4062) and is pressed against the base (4061).
7. The multi-tool-bit rotary clamp for numerical control machining according to claim 6, wherein a second T-shaped sliding groove (4012) is formed in the lower portion of the inner surfaces of the first clamping block (401) and the second clamping block (402) along the axial direction, two side wings of the pushing block (4063) are provided with T-shaped structures matched with the second T-shaped sliding groove (4012), the third screw (4062) rotates along the pushing block (4063), and the pushing block (4063) is pushed to be in contact with the rear end face of the tool.
8. The multi-tool-bit rotary jig for numerical control machining according to claim 1, wherein,
The first locking mechanism (3) comprises a claw (301) and a bolt (302);
A plurality of first clamping grooves (201) are formed in an annular array on the side face of the rotating seat (2), at least two symmetrical second clamping grooves (101) are formed in the fixed seat (1), a plurality of clamping strips (202) are arranged on the annular array on the lower surface of the rotating seat (2), a plurality of third clamping grooves (102) are formed in the annular array on the upper surface of the fixed seat (1), the third clamping grooves (102) are mutually clamped with the clamping strips (202), when the third clamping grooves (102) are mutually clamped with the clamping strips (202), the first clamping grooves (201) are positioned right above the second clamping grooves (101), and the clamping claws (301) can be inserted into the first clamping grooves (201) and the second clamping grooves (101);
at least two bolts (302) penetrate through the clamping jaw (301) and the rotating seat (2) respectively, and the clamping jaw (301) is in threaded connection with the fixed seat (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311385146.8A CN117300897B (en) | 2023-10-24 | 2023-10-24 | Multi-cutter-head rotary clamp for numerical control machining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311385146.8A CN117300897B (en) | 2023-10-24 | 2023-10-24 | Multi-cutter-head rotary clamp for numerical control machining |
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| CN117300897A CN117300897A (en) | 2023-12-29 |
| CN117300897B true CN117300897B (en) | 2025-11-11 |
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| CN118768943B (en) * | 2024-08-06 | 2025-09-30 | 西安交通大学 | A cutting and grinding device for a numerical control machining center and a working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN216502380U (en) * | 2021-11-04 | 2022-05-13 | 扬州鼎众科技有限公司 | Numerical control knife rest for numerical control machine tool |
| CN218927091U (en) * | 2022-07-11 | 2023-04-28 | 烟台天棋模具制造有限公司 | Machining device convenient to use |
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| KR102199515B1 (en) * | 2020-10-16 | 2021-01-06 | 주식회사 보창몰드 | A fixing jig for drilling |
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| CN219633214U (en) * | 2023-03-06 | 2023-09-05 | 宁波赛利数控机床有限公司 | Rotary tool changing frame of numerical control machine tool |
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| CN216502380U (en) * | 2021-11-04 | 2022-05-13 | 扬州鼎众科技有限公司 | Numerical control knife rest for numerical control machine tool |
| CN218927091U (en) * | 2022-07-11 | 2023-04-28 | 烟台天棋模具制造有限公司 | Machining device convenient to use |
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