CN112404477A - Automatic chuck for milling cutter machining - Google Patents

Abstract

The invention relates to the technical field of milling cutter machining, and discloses an automatic chuck for milling cutter machining, which comprises a chuck body and a positioning groove, wherein the middle part of the chuck body is provided with the positioning groove, the side wall of the positioning groove is provided with a positioning groove, the inner cavity of the positioning groove is movably connected with a rotating disk, the side wall of the rotating disk is fixedly provided with a positioning ring, and the left side surface of the rotating disk is fixedly provided with a first meshing ring, a second meshing ring, a third meshing ring and a fourth meshing ring. This automatic chuck of milling cutter processing through loosening, downstream under the effect of gravity, and the inslot is fixed the sliding shaft, through different meshing between adjusting gear and meshing circle one, meshing circle two, meshing circle three or the meshing circle four, can drive the rotary disk and carry out the rotation of not equidistance when rotating adjusting gear to can be quick press from both sides tightly the work piece, improved the work efficiency of device.

Description

Automatic chuck for milling cutter machining

Technical Field

The invention relates to the technical field of milling cutter processing, in particular to an automatic chuck for milling cutter processing.

Background

Milling cutters, which are rotary tools used for milling and having one or more teeth that cut off the workpiece in sequence and intermittently during operation, are mainly used for machining planes, steps, grooves, formed surfaces, cutting off workpieces and the like on milling machines, chucks, which are mechanical devices used for clamping workpieces on machine tools, are used in lathes in many cases, also on milling machines, drilling machines and the like, and are mainly used for fixing rotating body parts.

Most of the existing chucks adopt a rotary adjusting gear to drive a clamping block on the chuck to move towards the center of the chuck, so that a workpiece in the middle of the chuck is tightened, when the workpiece with a smaller size is clamped, the clamping block can be fixed by rotating the adjusting gear for multiple times, and when the chuck is operated, the chuck needs a longer time, and the working efficiency of the device is reduced.

When the existing chuck is clamped, an operator needs to hold a specially-equipped inserting tool to insert the inserting tool on the adjusting gear, the adjusting gear is rotated in a manual rotation mode, and a workpiece needs to be clamped in place, so that the operator needs to spend a large amount of effort to rotate the adjusting gear, the operation is complex, and the labor intensity of the operator is increased.

The mounting hole is seted up at the back of chuck to the most adoption when installing to the lathe to current chuck, then passes through the bolt with chuck connection on the host computer in the control machine of milling machine, nevertheless when the chuck damages when needing the maintenance, then need dismantle the change in the host computer of control, increased the maintenance degree of difficulty, reduced the practicality of device.

Disclosure of Invention

Technical problem to be solved

The automatic chuck for milling cutter machining and the operation method thereof provided by the invention have the advantages that a workpiece can be rapidly clamped, the working efficiency of the device is improved, the operation is simple, the labor intensity of operators is reduced, the disassembly is convenient, the maintenance difficulty is reduced, the practicability of the device is increased, and the problems in the background art are solved.

(II) technical scheme

The invention provides the following technical scheme: the utility model provides an automatic chuck of milling cutter processing, includes chuck body and clamp splice, the spread groove has been seted up at the middle part of chuck body, the constant head tank has been seted up to the lateral wall of spread groove, the inner chamber swing joint of spread groove has the rotary disk, fixed mounting has the holding ring on the lateral wall of rotary disk, the left surface fixed mounting of rotary disk has meshing circle one, meshing circle two, meshing circle three and meshing circle four, the front end fixed mounting of chuck body has fixed sliding sleeve, the middle part swing joint of fixed sliding sleeve has the sliding shaft, the trailing flank fixed mounting of sliding shaft has adjusting gear, the front end fixed mounting of chuck body has the dead lever, the front end swing joint of dead lever has the fixture block, the draw-in groove has been seted up on the surface.

Preferably, the surface of the sliding shaft is provided with an engagement groove, the front end of the chuck body is fixedly provided with a motor, and the output end of the motor is fixedly sleeved with a transmission gear.

Preferably, the lateral wall fixed mounting of chuck body has the installation piece, the meshing of the middle part of installation piece has fixing bolt, the installation piece is total three, three contained angle between the installation piece is one hundred twenty degrees.

Preferably, the diameter values of the first meshing ring, the second meshing ring, the third meshing ring and the fourth meshing ring are sequentially reduced, and the difference values of two adjacent radiuses between the first meshing ring, the second meshing ring, the third meshing ring and the fourth meshing ring are equal.

Preferably, the adjusting gear penetrates through and extends to the middle part of the chuck body, and the front end of the adjusting gear is meshed with the rear end of the first meshing ring.

Preferably, the top end of the transmission gear is engaged with the top end of the engagement groove, and the length value of the engagement groove is equal to the difference between the radius values of the first engagement ring and the fourth engagement ring.

Preferably, the number of the clamping grooves is four, the distances among the four clamping grooves are equal, and the rear ends of the clamping blocks are clamped in the clamping grooves.

Preferably, the right side face of the rotating disc is provided with threads, the left side faces of the clamping blocks are meshed with the threads arranged on the right side face of the rotating disc, the number of the clamping blocks is three, and the included angle between the three clamping blocks is one hundred twenty degrees.

An operating method of an automatic chuck for milling cutter machining according to any one of claims 1 to 8, comprising the following operating steps:

the first step is as follows: aligning the mounting block to a connecting hole on the outer side of the main shaft case, screwing the fixing bolts into the connecting hole of the main shaft case, and screwing the three fixing bolts to fix the chuck body on the main shaft case through the mounting block;

the second step is that: inserting a workpiece into the middle of the chuck body from the right side of the chuck body, lifting the fixture block to separate the fixture block from the clamping groove, pushing the sliding shaft according to the diameter of the workpiece, so that the adjusting gear is meshed with the first meshing ring, the second meshing ring, the third meshing ring or the fourth meshing ring which are suitable for the diameter of the workpiece, loosening the fixture block, allowing the fixture block to move downwards under the action of gravity, clamping the fixture block into the clamping groove, and fixing the sliding shaft;

thirdly, the motor works to drive the transmission gear to rotate, the meshing groove is driven to rotate through the meshing between the transmission gear and the bottom of the meshing groove, the adjusting gear is driven to rotate, the rotating disc is driven to rotate through the meshing between the adjusting gear and the first meshing ring, the second meshing ring, the third meshing ring or the fourth meshing ring, the clamping block is driven to move towards the center of the chuck body, and therefore the clamping block clamps and fixes the workpiece;

the fourth step: when the device needs to be maintained and replaced, the three fixing bolts are rotated reversely, so that the fixing bolts are separated from the connecting holes in the main shaft case, the device is detached from the main shaft case, and the device is convenient to maintain and replace.

(III) advantageous effects

The invention has the following beneficial effects:

1. the automatic chuck for milling cutter machining and the operation method thereof have the advantages that the fixture block is lifted up to be separated from the clamping groove, the sliding shaft is pushed according to the diameter of a workpiece, the adjusting gear is meshed with the first meshing ring, the second meshing ring, the third meshing ring or the fourth meshing ring which are suitable for the diameter of the workpiece, the fixture block is loosened, the fixture block moves downwards under the action of gravity and is clamped into the clamping groove, the sliding shaft is fixed, different meshing among the adjusting gear, the first meshing ring, the second meshing ring, the third meshing ring or the fourth meshing ring is achieved, the rotating disc can be driven to rotate at different speeds when the adjusting gear is rotated, the workpiece can be rapidly clamped, and the working efficiency of the device is improved.

2. The automatic chuck for milling cutter machining and the operation method thereof work through the motor, so that the transmission gear is driven to rotate, the meshing groove is driven to rotate through the meshing between the transmission gear and the bottom of the meshing groove, the adjusting gear is driven to rotate, the rotating disc is driven to rotate through the meshing between the adjusting gear and the first meshing ring, the second meshing ring, the third meshing ring or the fourth meshing ring, the clamping block is driven to move towards the center of the chuck body, the workpiece is clamped and fixed through the clamping block, the adjusting gear does not need to be manually rotated by an operator, the operation is simple, and the labor intensity of the operator is reduced.

3. According to the automatic chuck for milling cutter machining and the operation method thereof, the mounting block is aligned to the connecting hole on the outer side of the spindle case, the fixing bolts are screwed into the connecting hole of the spindle case to fix the device, and when the device needs to be maintained and replaced, the three fixing bolts are rotated reversely to enable the fixing bolts to leave the connecting hole on the spindle case, so that the device is detached from the spindle case, and the device is convenient to maintain and replace.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structural rotating disk of the present invention in explosive connection;

FIG. 3 is a schematic view of a sliding shaft connection according to the present invention;

FIG. 4 is an enlarged view of the structure A of the present invention;

fig. 5 is an enlarged view of the structure B of the present invention.

In the figure: 1. a chuck body; 2. connecting grooves; 3. positioning a groove; 4. rotating the disc; 5. a positioning ring; 6. a first meshing ring; 7. a second meshing ring; 8. a third meshing ring; 9. a fourth meshing ring; 10. a clamping block; 11. fixing the sliding sleeve; 12. a sliding shaft; 13. an adjusting gear; 14. fixing the rod; 15. a clamping block; 16. a card slot; 17. an engagement groove; 18. a motor; 19. a transmission gear; 20. mounting blocks; 21. and (5) fixing the bolt.

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.

Referring to fig. 1-5, an automatic chuck for milling cutter machining comprises a chuck body 1 and a clamping block 10, wherein mounting blocks 20 are fixedly mounted on the side wall of the chuck body 1, fixing bolts 21 are engaged with the middle parts of the mounting blocks 20, the number of the mounting blocks 20 is three, the included angle between the three mounting blocks 20 is one hundred twenty degrees, the mounting blocks 20 are aligned with the connecting holes on the outer side of a spindle case, the fixing bolts 21 are screwed into the connecting holes of the spindle case to fix the device, when the device needs to be maintained and replaced, the three fixing bolts 21 are rotated reversely, so that the fixing bolts 21 leave the connecting holes on the spindle case, the device is detached from the spindle case, the device is conveniently maintained and replaced, the middle part of the chuck body 1 is provided with a connecting groove 2, a positioning groove 3 is formed in the side wall of the connecting groove 2, and a rotating disk 4 is movably connected with the inner cavity, the right side surface of the rotating disk 4 is provided with threads, the left side surface of each clamping block 10 is meshed with the threads arranged on the right side surface of the rotating disk 4, the number of the clamping blocks 10 is three, the included angle between the three clamping blocks 10 is one hundred twenty degrees, the rotating disk 4 drives the clamping blocks 10 to move towards the center of the chuck body 1 through the threads when rotating, so as to clamp a workpiece, the side wall of the rotating disk 4 is fixedly provided with a positioning ring 5, the left side surface of the rotating disk 4 is fixedly provided with a meshing ring I6, a meshing ring II 7, a meshing ring III 8 and a meshing ring IV 9, the diameter values of the meshing ring I6, the meshing ring II 7, the meshing ring III 8 and the meshing ring IV 9 are sequentially reduced, the difference values of two adjacent radiuses between the meshing ring I6, the meshing ring II 7, the meshing ring III 8 and the meshing ring IV 9 are equal, and are respectively meshed with the meshing ring I6, the meshing ring II 7, the meshing, the rotating disc 4 can be driven to rotate at different speeds, so that the moving speed of the clamping block 10 is changed, the fixed sliding sleeve 11 is fixedly installed at the front end of the chuck body 1, the sliding shaft 12 is movably connected to the middle of the fixed sliding sleeve 11, the meshing groove 17 is formed in the surface of the sliding shaft 12, the motor 18 is fixedly installed at the front end of the chuck body 1, the output end of the motor 18 is fixedly sleeved with the transmission gear 19, the top end of the transmission gear 19 is meshed with the top end of the meshing groove 17, the motor 18 works to drive the transmission gear 19 to rotate, the meshing groove 17 is driven to rotate through meshing of the transmission gear 19 and the bottom of the meshing groove 17, so that the adjusting gear 13 is driven to rotate, the rotating disc 4 is driven to rotate through meshing of the adjusting gear 13 and the meshing ring I6, the meshing ring II 7, the meshing ring III 8 or the meshing ring IV 9, the clamping block, the length value of the meshing groove 17 is equal to the difference between the radius values of the first meshing ring 6 and the fourth meshing ring 9, the transmission gear 19 can be completely meshed with the meshing groove 17, the normal operation of the device is ensured, the rear side surface of the sliding shaft 12 is fixedly provided with the adjusting gear 13, the adjusting gear 13 penetrates through and extends to the middle of the chuck body 1, the front end of the adjusting gear 13 is meshed with the rear end of the first meshing ring 6, the front end of the chuck body 1 is fixedly provided with the fixing rod 14, the front end of the fixing rod 14 is movably connected with the clamping block 15, the clamping block 15 is made of a strong magnetic material, the clamping block 15 can be adsorbed in the clamping groove 16 to fix the clamping block 15, the surface of the sliding shaft 12 is provided with the clamping grooves 16, the four clamping grooves 16 are totally arranged, the distances among the four clamping grooves 16 are equal, the rear ends of the clamping blocks 15 are clamped in the clamping grooves 16, the clamping, the four clamping grooves 16 are correspondingly meshed with the adjusting gears 13 respectively and are meshed with the first meshing ring 6, the second meshing ring 7, the third meshing ring 8 and the fourth meshing ring 9, a workpiece is inserted into the middle of the chuck body 1 from the right side of the chuck body 1, the clamping block 15 is lifted, the clamping block 15 is separated from the clamping grooves 16, and the sliding shaft 12 is pushed according to the diameter of the workpiece.

An operating method of an automatic chuck for milling cutter machining according to any one of claims 1 to 8, comprising the following operating steps:

the first step is as follows: aligning the mounting block 20 to a connecting hole on the outer side of the spindle case, screwing the fixing bolts 21 into the connecting hole of the spindle case, and screwing the three fixing bolts 21 to fix the chuck body 1 on the spindle case through the mounting block 20;

the second step is that: inserting a workpiece into the middle of the chuck body 1 from the right side of the chuck body 1, lifting the fixture block 15 to separate the fixture block 15 from the clamping groove 16, pushing the sliding shaft 12 according to the diameter of the workpiece, so that the adjusting gear 13 is meshed with the first meshing ring 6, the second meshing ring 7, the third meshing ring 8 or the fourth meshing ring 9 which are suitable for the diameter of the workpiece, loosening the fixture block 15, enabling the fixture block 15 to move downwards under the action of gravity and be clamped into the clamping groove 16, and fixing the sliding shaft 12;

thirdly, the motor 18 works to drive the transmission gear 19 to rotate, the meshing groove 17 is driven to rotate through meshing of the transmission gear 19 and the bottom of the meshing groove 17, the adjusting gear 13 is driven to rotate, the rotating disc 4 is driven to rotate through meshing of the adjusting gear 13 and the first meshing ring 6, the second meshing ring 7, the third meshing ring 8 or the fourth meshing ring 9, the clamping block 10 is driven to move towards the center of the chuck body 1, and therefore the clamping block 10 clamps and fixes the workpiece;

the fourth step: when the device needs to be maintained and replaced, the three fixing bolts 21 are rotated reversely, so that the fixing bolts 21 leave the connecting holes in the main shaft case, the device is detached from the main shaft case, and the device is convenient to maintain and replace.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an automatic chuck of milling cutter processing, includes chuck body (1) and clamp splice (10), its characterized in that: the connecting groove (2) is formed in the middle of the chuck body (1), the positioning groove (3) is formed in the side wall of the connecting groove (2), the inner cavity of the connecting groove (2) is movably connected with a rotating disc (4), a positioning ring (5) is fixedly mounted on the side wall of the rotating disc (4), a first meshing ring (6), a second meshing ring (7), a third meshing ring (8) and a fourth meshing ring (9) are fixedly mounted on the left side face of the rotating disc (4), a fixed sliding sleeve (11) is fixedly mounted at the front end of the chuck body (1), a sliding shaft (12) is movably connected to the middle of the fixed sliding sleeve (11), an adjusting gear (13) is fixedly mounted on the rear side face of the sliding shaft (12), a fixing rod (14) is fixedly mounted at the front end of the chuck body (1), and a clamping block (15) is movably, the surface of the sliding shaft (12) is provided with a clamping groove (16).

2. The automatic chuck for milling cutter machining according to claim 1, wherein: the surface of the sliding shaft (12) is provided with an engagement groove (17), the front end of the chuck body (1) is fixedly provided with a motor (18), and the output end of the motor (18) is fixedly sleeved with a transmission gear (19).

3. The automatic chuck for milling cutter machining according to claim 1, wherein: the side wall fixed mounting of chuck body (1) has installation piece (20), the meshing of the middle part of installation piece (20) has fixing bolt (21), installation piece (20) is total three, three contained angle between installation piece (20) is one hundred twenty degrees.

4. The automatic chuck for milling cutter machining according to claim 1, wherein: the diameter value of meshing circle one (6), meshing circle two (7), meshing circle three (8) and meshing circle four (9) reduces in proper order, two adjacent radius difference homologies between meshing circle one (6), meshing circle two (7), meshing circle three (8) and the meshing circle four (9).

5. The automatic chuck for milling cutter machining according to claim 1, wherein: the adjusting gear (13) penetrates through and extends to the middle of the chuck body (1), and the front end of the adjusting gear (13) is meshed with the rear end of the first meshing ring (6).

6. The automatic chuck for milling cutter machining according to claim 2, wherein: the top end of the transmission gear (19) is meshed with the top end of the meshing groove (17), and the length value of the meshing groove (17) is equal to the difference between the radius values of the meshing ring I (6) and the meshing ring IV (9).

7. The automatic chuck for milling cutter machining according to claim 1, wherein: the number of the clamping grooves (16) is four, the distances among the four clamping grooves (16) are equal, and the rear ends of the clamping blocks (15) are clamped in the clamping grooves (16).

8. The automatic chuck for milling cutter machining according to claim 1, wherein: the right side face of the rotating disc (4) is provided with threads, the left side faces of the clamping blocks (10) are meshed with the threads arranged on the right side face of the rotating disc (4), the number of the clamping blocks (10) is three, and the included angle between the three clamping blocks (10) is one hundred twenty degrees.

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