CN117300897A - A multi-head rotating fixture for CNC machining - Google Patents
A multi-head rotating fixture for CNC machining Download PDFInfo
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- CN117300897A CN117300897A CN202311385146.8A CN202311385146A CN117300897A CN 117300897 A CN117300897 A CN 117300897A CN 202311385146 A CN202311385146 A CN 202311385146A CN 117300897 A CN117300897 A CN 117300897A
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- clamping block
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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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Abstract
The invention discloses a multi-cutter-head rotary clamp for numerical control machining, which comprises: the rotary seat is arranged on the rotary seat, the rotary seat is arranged between the fixed seat and the rotary seat, the first locking mechanism is used for restraining the rotation of the rotary seat, at least 5 cutter clamping units are arranged on the rotary seat and take the 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, and the cutter clamping units are in equiangular annular arrays by taking the rotating shaft of the rotating seat as an axis; each tool holding unit can slide along the circumference of the rotary 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 includes: the positive and negative screw rod and the first locking nut component;
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 includes: the device comprises a main board and ear boards, wherein the ear boards are arranged on two sides of the main board in a telescopic manner; the first clamping block and the second clamping block are provided with sliding cavities, and the lug plates can slide up and down in the sliding cavities.
Preferably, the second locking mechanism includes: 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 block is sleeved on the second screw rod.
Preferably, the ejector mechanism includes: the device comprises a base, a third screw rod, a pushing block and a third locking nut component, wherein the base is fixedly connected with a 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 pushing block, the pushing block is axially and slidably connected with the first clamping block and the second clamping block along the first 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, and 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 face 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 includes: 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:
according to the multi-tool-bit rotary clamp for numerical control machining, the existing lathe tool rest seat and the rotating seat can be connected and fixed through the arrangement of the fixed seat; the rotation of the cutter can be realized through the relative rotation arrangement of the rotating seat and the fixed seat; the clamping and fixing of the cutters and the arrangement of multiple cutter heads can be realized by installing at least five cutter clamping units on the rotating seat; through the setting of first locking structure, can realize the rotatory restraint of rotatory seat to further realization anchor clamps holistic stability in the course of working. 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 invention and are incorporated in and constitute a part of this application, illustrate and do not limit the invention, and together with the description serve to explain the principle of the invention:
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. a second clamping groove; 102. a 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. a claw; 302. a bolt;
4. a tool clamping unit;
401. a first clamping block; 4011. a sliding cavity; 4012. the second T-shaped chute;
402. a second clamping block;
403. a third clamping block; 4031. a main board; 4032. ear plates;
404. a driving mechanism; 4041. a positive and negative screw; 4042. a first lock nut assembly; 4043. a first thread segment; 4044. a second thread segment;
405. a second locking mechanism; 4051. a second screw; 4052. a second lock nut assembly; 4053. a cushion block;
406. a push mechanism; 4061. a base; 4062. a third screw; 4063. 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 following describes a technical scheme of a multi-cutter-head rotary fixture for numerical control processing according to an embodiment shown in fig. 1 to 9: as shown in fig. 1, the method includes: the device comprises a fixed seat 1, a rotating seat 2, a first locking mechanism 3 and a cutter clamping unit 4, wherein the fixed seat 1 is 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 five and are arranged on the rotating seat 2, and are distributed in an equiangular annular array by taking the rotating shaft of the rotating seat 2 as an axis.
Fig. 1 illustrates a specific structure of a multi-bit rotary jig for numerical control machining, in which 8 tool holding units 4 are provided, each equiangularly distributed with respect to the rotation axis of a rotary base 2; the rotating seat 2 is rotatably installed with the fixed seat 1 through a rotating shaft, and the fixed seat 1 is fixedly installed on a tool rest seat of a lathe.
According to the multi-tool-bit rotary clamp for numerical control machining, the existing lathe tool rest seat and the rotating seat 2 can be connected and fixed through the arrangement of the fixed seat 1; the rotation of the cutter can be realized through the relative rotation arrangement of the rotating seat 2 and the fixed seat 1; the clamping and fixing of the cutters and the arrangement of multiple cutter heads can be realized by installing at least five cutter clamping units 4 on the rotating seat 2; through the setting of the first locking structure 3, the rotation constraint of the rotary seat 2 can be realized, so that the overall 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.
The multi-cutter-head rotary clamp for numerical control machining provided by the embodiment of the invention is shown in fig. 2 to 5.
As shown in fig. 2, the tool holding unit includes: the first clamping block 401, the second clamping block 402, the driving mechanism 404, the pushing mechanism 406, the third clamping block 403 and the second locking mechanism 405, wherein the first clamping block 401 and the second clamping block 402 are rectangular metal blocks and are relatively parallel, can relatively slide and are jointly connected with the rotating seat 2 in a sliding manner; the driving mechanism 404 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 or 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, and 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; the second locking mechanism 405 is disposed on the first clamping block 401 and the second clamping block 402, respectively, and is used for locking the sliding of the third clamping block 403.
As shown in fig. 3 and 4, the driving mechanism 404 includes: a forward and reverse screw 4041 and a first lock nut assembly 4042, the forward and reverse screw 4041 having a first threaded section 4043 and a second threaded section 4044, the first threaded section 4043 and the second threaded section 4044 having opposite helical directions, equal helical angles and equal pitch; the first thread segment 4043 is in threaded connection with the first clamping block 401, the second thread segment 4044 is in threaded connection with the second clamping block 402, and the first lock nut assembly 4042 is respectively connected with the first thread segment 4043 and the second thread segment 4044 and is located outside the first clamping block 401 and the second clamping block 402.
The working principle of the cutter clamping unit is shown in fig. 2, 3 and 5, two T-shaped sliding blocks are fixedly welded on the lower end surfaces 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 on the surface of a rotating seat 2, and 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; the two ends of the positive and negative screw 4041 in the 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 synchronously move in opposite directions or back to back, the cutter can be centered and clamped, whether the central axis of the cutter coincides with the central axis of the cutter rest or not is not needed, and cutter setting adjustment is not needed; even if the fine deviation exists, the center of the cutter can be finely adjusted by additionally arranging a metal gasket at the 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 ejector mechanism 406 includes: the base 4061, the third screw 4062, the pushing block 4063 and a third lock nut assembly (not shown in the figure), 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 through 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 rotatably connected with the pushing block 4063, and the pushing block 4063 can be pushed or pulled back under the action of the third screw 4062; the pushing block 4063 is slidably connected to the first clamping block 401 and the second clamping block 402, and can reciprocate along the axial direction 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, and the problem that the cutter moves backwards is solved by the pushing block 4063; of course, the pushing block is always in sliding connection with the first clamping block and the second clamping block.
In this embodiment, the sliding structure of the push block 4063 is: as shown in fig. 6, the lower parts of the inner surfaces of the first clamping block and the second clamping block are provided with a second T-shaped chute 4012 along the axial direction, and two side wings of the push block 4063 are provided with T-shaped structures and can be mutually matched with the second T-shaped chute 4012 for installation; when the third screw 4062 is rotated, the pushing block 4063 is pushed until it contacts 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 board 4031 and an ear board 4032, and both the main board 4031 and the ear board 4032 are made of steel. Wherein, the number of the ear plates 4032 is even, and a plurality of pairs of ear plates 4032 are respectively symmetrically and telescopically arranged at two sides of the main board 4031; correspondingly, the first clamping block 401 and the second clamping block 402 are respectively provided with a sliding cavity 4011, and the ear plate 4032 can slide up and down in the sliding cavities 4011.
The second locking mechanism 405 includes: the second screws 4051, the second lock nut assemblies 4052 and the cushion blocks 4053, wherein the number of the second screws 4051 is the same as that of the lug plates 4032, the number of the second lock nuts is the same as that of the second screws 4051, the second screws 4051 penetrate through the sliding cavity 4011 and the lug plates 4032 are fixedly connected with the bottom surface end of the sliding cavity 4011, and the cushion blocks 4053 are sleeved on the second screws 4051; the ear plate 4032 is 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 that the upper end face of the cutter is aligned with the upper end face of the whole gasket, and the lug plate 4032 can be supported by the downward pressure, so that the lug plate 4032 is not easy to deform; it should be noted that, the ear plate 4032 needs to be located between the gaskets, the gasket located on the upper end surface of the ear plate 4032 can increase the force application area of the ear plate 4032, so as to reduce the pressure, and a second locking nut assembly 4052 is installed above the gasket in a threaded manner, and the locking nut applies downward pressure to the whole third clamping block 403, so as to lock the third clamping block 403; a pressing plate is also arranged on the upper part of the second screw 4051 in a penetrating way, spans the upper end opening of the sliding cavity 4011 and is fixed through the bolt 302 assembly, and the pressing plate has the function of stabilizing the second screw 4051 so as not to cause the second screw 4051 to swing due to vibration in the working process.
The multi-cutter-head rotating clamp for numerical control machining provided by the embodiment of the invention is as shown in fig. 1 and 7-9: the first lock mechanism 3 includes: the clamping jaw 301 and the bolt 302 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 third clamping grooves 102 are formed in an annular array on the lower surface of the rotating seat 2, the third clamping grooves 102 are matched with the clamping grooves 202 in a mutually clamping mode, when the third clamping grooves 102 are matched with the clamping grooves 202 in a mutually clamping mode, the first clamping grooves 201 are located 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, at least two bolts 302 penetrate through the clamping jaw 301 and are in threaded connection with the rotating 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 "[" shaped, two through holes are formed on 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 fixed seat 1, of course, eight first clamping grooves 201 are formed on the side surface of the rotating seat 2 at equal angles by taking a rotating shaft as a center and are used for being matched with an upper claw of the claw 301, and two second clamping grooves 101 are symmetrically formed on the side surface of the fixed seat 1 and are used for being matched with a lower claw of the claw 301; after the rotating seat 2 rotates for a certain angle, the claw 301 and the bolt 302 can be used for locking so as to ensure the stability in the working process; of course, eight third clamping grooves 102 are further formed in the upper surface of the rotating seat 2 at equal angles, eight clamping strips 202 are correspondingly fixed on the lower surface of the rotating seat 2, the clamping strips 202 and the third clamping grooves 102 are in one-to-one correspondence, so that the rotating seat 2 can be lifted (a lifting handle (not shown in the figure) can be installed at the center of the rotating seat 2 under the condition that the third locking mechanism is unlocked), after the rotating angle, the clamping claws 301 are installed after the rotating seat is quickly positioned and installed by means of the mutual matching of the third clamping grooves 102 and the clamping strips 202, the conversion of multiple tool bits can be realized, and meanwhile, the stability of the whole tool rest 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 (10)
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 rotating shafts of the rotating seat (2) are used as axes to form an equiangular annular array; each tool holding unit (4) can slide along the circumferential direction of the rotating seat (2).
2. The multi-tool-bit rotary jig for numerical control machining according to claim 1, wherein,
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.
3. The multi-bit rotary jig for numerical control machining according to claim 2, wherein said driving mechanism (404) includes: a positive and negative screw (4041) and a first lock nut assembly (4042); the two ends of the positive and negative screw (4041) respectively penetrate through the first clamping block (401) and the second clamping block (402), 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 component (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 cutter is clamped in a centering mode.
4. The multi-tool-bit rotary clamp for numerical control machining according to claim 2, 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).
5. The multi-bit rotary jig for numerical control machining according to claim 2, wherein said third holding block (403) includes: a main board (4031) and an ear board (4032), wherein the ear board (4032) is telescopically mounted on both sides of the main board (4031); slide cavities (4011) are formed in the first clamping block (401) and the second clamping block (402), and the lug plates (4032) can slide up and down in the slide cavities (4011).
6. The multi-bit rotary clamp for numerical control machining according to claim 5, wherein the second locking mechanism (405) includes: the second screw rod (4051), second lock nut assembly (4052) and a plurality of cushion blocks (4053), second screw rod (4051) run through smooth chamber (4011) and otic placode (4032) are fixed connection with the bottom surface end in smooth chamber (4011), cushion block (4053) cover is established on second screw rod (4051).
7. The multi-bit rotary jig for numerical control machining according to claim 2, wherein said ejector mechanism (406) comprises: base (4061), third screw rod (4062), ejector pad (4063) and third lock nut subassembly (4052), base (4061) with roating seat (2) fixed connection, third screw rod (4062) run through base (4061) and with base (4061) threaded connection, one end of third screw rod (4062) with ejector pad (4063) rotate to be connected, ejector pad (4063) are followed first grip block (401) with second grip block (402) axial sliding connection, third lock nut subassembly and third screw rod (4062) threaded connection and support and press on base (4061).
8. The multi-tool-bit rotary clamp for numerical control machining according to claim 7, wherein a second T-shaped chute (4012) is formed axially at the lower parts of the inner surfaces of the first clamping block (401) and the second clamping block (402), and both side wings of the push block (4063) are provided with T-shaped structures matched with the second T-shaped chute (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 cutter.
9. The multi-bit rotary jig for numerical control machining according to claim 1, further comprising locking screws (407) penetrating front ends of the first clamping block (401) and the second clamping block (402), respectively.
10. The multi-tool-bit rotary jig for numerical control machining according to claim 1, wherein,
the first locking mechanism (3) includes: 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 jaws (301) and are in threaded connection with the rotating seat (2) and the fixed seat (1) respectively.
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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 |
Applications Claiming Priority (1)
| 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 true CN117300897A (en) | 2023-12-29 |
| CN117300897B CN117300897B (en) | 2025-11-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118768943A (en) * | 2024-08-06 | 2024-10-15 | 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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| CN108356304A (en) * | 2018-02-26 | 2018-08-03 | 中山市程博工业产品设计有限公司 | A kind of lathe tool fixture |
| CN209503612U (en) * | 2018-11-19 | 2019-10-18 | 黄俊凯 | A kind of numerically controlled lathe |
| KR102199515B1 (en) * | 2020-10-16 | 2021-01-06 | 주식회사 보창몰드 | A fixing jig for drilling |
| CN214348692U (en) * | 2021-02-07 | 2021-10-08 | 无锡市纽威型钢有限公司 | Stable drawbench anchor clamps of centre gripping |
| CN216502414U (en) * | 2021-12-29 | 2022-05-13 | 武汉鑫诚达泰精密制造有限公司 | Firm lathe cutter holder locks |
| 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 |
| CN217776235U (en) * | 2021-09-30 | 2022-11-11 | 中国地质大学（武汉） | Three-dimensional ultrasonic vibration auxiliary cutting device |
| 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 |
| 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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2023
- 2023-10-24 CN CN202311385146.8A patent/CN117300897B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356304A (en) * | 2018-02-26 | 2018-08-03 | 中山市程博工业产品设计有限公司 | A kind of lathe tool fixture |
| CN209503612U (en) * | 2018-11-19 | 2019-10-18 | 黄俊凯 | A kind of numerically controlled lathe |
| KR102199515B1 (en) * | 2020-10-16 | 2021-01-06 | 주식회사 보창몰드 | A fixing jig for drilling |
| CN214348692U (en) * | 2021-02-07 | 2021-10-08 | 无锡市纽威型钢有限公司 | Stable drawbench anchor clamps of centre gripping |
| CN217776235U (en) * | 2021-09-30 | 2022-11-11 | 中国地质大学（武汉） | Three-dimensional ultrasonic vibration auxiliary cutting device |
| 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 |
| CN216502414U (en) * | 2021-12-29 | 2022-05-13 | 武汉鑫诚达泰精密制造有限公司 | Firm lathe cutter holder locks |
| 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 |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118768943A (en) * | 2024-08-06 | 2024-10-15 | 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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| CN117300897B (en) | 2025-11-11 |
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