CN218656863U

CN218656863U - Chuck with locking structure for machine tool machining

Info

Publication number: CN218656863U
Application number: CN202222721979.4U
Authority: CN
Inventors: 沈闻文
Original assignee: Jiangsu Aiwei Jiye Intelligent Technology Co ltd
Current assignee: Jiangsu Aiwei Jiye Intelligent Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-21
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to a chuck for machine tool machining with locking structure of lathe chuck technical field, including the lathe base, the upper surface of lathe base is seted up flutedly, a plurality of locking hole has all been seted up to recess inner wall's both sides, the inside sliding connection of recess has the bottom block, the equal sliding connection in both sides surface of bottom block has two locking levers, the inside in locking hole is established to the one end of locking lever, the top fixedly connected with baffle of bottom block, the last fixed surface of baffle is connected with the drive plate, one side fixedly connected with chuck of drive plate, the inside of bottom block is equipped with the locking subassembly. The locking rod is pushed to slide to the inside of the locking hole through the locking assembly, so that the automatic locking effect of the position close to the shore can be realized conveniently, and the phenomenon that the chuck shakes when the position of the chuck is adjusted to cause the machine tool to generate dislocation on the machining of the workpiece and influence the machining precision is avoided.

Description

Chuck with locking structure for machine tool machining

Technical Field

The utility model relates to a lathe chuck technical field especially relates to a chuck for machine tool machining with locking structure.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, and are conventionally called machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. In modern machine manufacturing, a lot of methods are used for machining mechanical parts, such as casting, forging, welding, stamping, extrusion and the like, besides cutting machining, but all parts with high precision requirements and fine surface roughness requirements are generally machined by cutting on a machine tool, and a chuck is a mechanical device used for clamping a workpiece on the machine tool. The machine tool accessory clamps and positions a workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body. The chuck generally comprises a chuck body, movable jaws and a jaw driving mechanism 3.

Although the clamping chuck for machining the machine tool disclosed in the publication No. CN212285910U is convenient to control the clamping degree through the cooperation among the power device, the moving block and the chuck, and solves the problem of workpiece deformation caused by excessive clamping force, so as to achieve the effect of controlling the clamping force according to the material of the workpiece and avoid the problem of workpiece damage, when the machine tool clamps workpieces with different lengths, the position of the chuck needs to be adjusted according to the length of the workpiece, and after the position of the chuck is adjusted, the position of the chuck is locked on the machine tool as needed, so as to avoid that when the machine tool clamps workpieces with different lengths, the chuck is unstable due to position locking, so that the machine tool shakes the chuck and the workpiece clamped by the chuck when the machine tool performs machining operation on the clamped workpiece, and the problem of affecting the machining of the workpiece is provided, therefore, a chuck for machining the machine tool with a locking structure is provided.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a chuck for machine tool machining with locking structure when having the adjusting position of making the chuck be convenient for, makes the chuck can lock firm effect, avoids the work piece position of drawing bank and centre gripping to rock.

The technical scheme of the utility model is that: the utility model provides a chuck for machine tool machining with locking structure, includes the lathe base, the upper surface of lathe base is seted up flutedly, a plurality of locking hole has all been seted up to the both sides of recess inner wall, the inside sliding connection of recess has the bottom block, the equal sliding connection in both sides surface of bottom block has two locking levers, the inside in locking hole is established to the one end of locking lever, the top fixedly connected with baffle of bottom block, the last fixed surface of baffle is connected with the drive plate, one side fixedly connected with chuck of drive plate, the inside of bottom block is equipped with the locking subassembly.

In a further technical scheme, one side fixedly connected with servo motor of lathe base, servo motor's output shaft passes through the two-way lead screw of shaft coupling fixedly connected with, the surface screw thread of two-way lead screw has cup jointed a swivel nut and No. two swivel nuts, the equal fixedly connected with bracing piece in top of a swivel nut and No. two swivel nuts, two the top of bracing piece all wears to locate the inside of recess and with bottom block fixed connection.

In a further technical scheme, the locking subassembly includes the micro motor of fixed connection at bottom block inner wall top, micro motor's output shaft passes through shaft coupling fixedly connected with pivot, the fixed cover in surface of pivot has connect the gear, the both sides of gear mesh respectively and are connected with a rack and No. two racks, the equal fixedly connected with connecting plate of one end that a rack and No. two racks are not relative, two one side of the equal fixedly connected with connecting plate of one end of locking lever.

In a further technical scheme, two limiting sliding grooves are formed in the bottom of the inner wall of the bottom block, a first rack and a second rack are fixedly connected with limiting convex strips, and one ends of the limiting convex strips are connected to the inside of the limiting sliding grooves in a sliding mode.

In a further technical scheme, a sliding opening is formed in the groove, and one end of each of the two supporting rods is connected to the inside of the sliding opening in a sliding mode.

In a further technical scheme, two arc-shaped sliding grooves are formed in the surface of the machine tool base, a plurality of balls are arranged at the bottom of the baffle, and one ends of the balls slide in the arc-shaped sliding grooves.

The utility model has the advantages that:

1. the locking rod is pushed to slide into the locking hole by the locking assembly, so that the automatic locking effect on the shore position can be conveniently realized, and the phenomenon that the machining precision is influenced due to the fact that the chuck is staggered when the chuck position is adjusted and a machine tool is staggered during machining of a workpiece is avoided;

2. through the cooperation use of servo motor, two-way lead screw, a swivel nut, no. two swivel nuts and bracing piece, can be convenient for promote end piece, baffle, chuck and slide to opposite direction to can be convenient for according to the size length of work piece, carry out the effect adjusted to the position of chuck.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of a bidirectional screw rod structure according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a locking assembly according to an embodiment of the present invention;

fig. 4 is an enlarged view of the structure at a in fig. 1 according to the embodiment of the present invention;

description of reference numerals:

1. a machine tool base; 2. a groove; 3. a locking hole; 4. a bottom block; 5. a locking lever; 6. a drive plate; 7. a chuck; 8. a servo motor; 9. a bidirectional screw rod; 10. a first screw sleeve; 11. a second thread sleeve; 12. a support bar; 13. a micro-motor; 14. a rotating shaft; 15. a gear; 16. a first rack; 17. a second rack; 18. a connecting plate; 19. a limiting chute; 20. limiting convex strips; 21. a sliding port; 22. a baffle plate; 23. an arc-shaped chute; 24. and a ball.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in fig. 1-4, a chuck for machine tool machining with locking structure comprises a machine tool base 1, a groove 2 is opened on the upper surface of the machine tool base 1, used for the sliding action of the bottom block 4, a plurality of locking holes 3 are respectively arranged on both sides of the inner wall of the groove 2, the bottom block 4 is connected in the groove 2 in a sliding way, two locking rods 5 are respectively connected on both side surfaces of the bottom block 4 in a sliding way, the position of a chuck 7 can be conveniently locked by the locking holes 3 and the locking rods 5, one end of each locking rod 5 is arranged in the locking hole 3, the top of the bottom block 4 is fixedly connected with a baffle plate 22, the upper surface of the baffle plate 22 is fixedly connected with a driving plate 6, one side of the driving plate 6 is fixedly connected with the chuck 7, the chuck 7 can be used for conveniently and fixedly clamping workpieces with different sizes, the top of the inner wall of the bottom block 4 is fixedly connected with a micro motor 13, for providing power, an output shaft of the micro motor 13 is fixedly connected with a rotating shaft 14 through a coupler, a gear 15 is fixedly sleeved on the surface of the rotating shaft 14, two sides of the gear 15 are respectively connected with a first rack 16 and a second rack 17 in a meshing manner, the locking device has the advantages that the locking rods 5 can be conveniently pushed to slide into the locking holes 3 through the gears 15, the first rack 16 and the second rack 17 to lock the positions of the chucks 7, the ends, not opposite to the first rack 16 and the second rack 17, of the first rack 16 and the second rack 17 are fixedly connected with the connecting plates 18, one ends of the two locking rods 5 are fixedly connected with one sides of the connecting plates 18, the bottom of the inner wall of the bottom block 4 is provided with two limiting sliding grooves 19, the bottoms of the first rack 16 and the second rack 17 are fixedly connected with limiting convex strips 20, the first rack 16 and the second rack 17 can be limited by the limiting sliding groove 19 and the limiting convex strip 20, and one end of the limiting convex strip 20 is connected to the inside of the limiting sliding groove 19 in a sliding mode.

The working principle of the technical scheme is as follows:

the rotating shaft 14 and the gear 15 are driven to rotate by starting the micro motor 13, the gear 15 is meshed with the first rack 16 and the second rack 17, so that the first rack 16 and the second rack 17 can be pushed to slide in opposite directions, the first rack 16 and the second rack 17 push the limiting convex strips 20 to slide in the limiting sliding grooves 19, the first rack 16 and the second rack 17 can be conveniently limited and supported, the connecting plate 18 can be pushed to slide by the first rack 16 and the second rack 17 in opposite directions, the connecting plate 18 pushes the locking rod 5 to slide out of the bottom block 4, the locking rod 5 slides into the locking hole 3, the bottom block 4, the baffle plate 22, the driving plate 6 and the chuck 7 can be locked on the surface of the machine tool base 1, the stability of the bottom block 4 and the chuck 7 on the machine tool base 1 can be further improved by the driving plates 5, and the phenomenon that the machine tool misplaces the workpiece machining when the position of the chuck 7 is adjusted is avoided, and the machining precision is influenced.

In another embodiment, as shown in fig. 2, a servo motor 8 is fixedly connected to one side of the machine tool base 1 for providing power, an output shaft of the servo motor 8 is fixedly connected to a bidirectional screw rod 9 through a coupler for enabling the two chucks 7 to slide in opposite directions, a first threaded sleeve 10 and a second threaded sleeve 11 are sleeved on the surface of the bidirectional screw rod 9 in a threaded manner, supporting rods 12 are fixedly connected to the tops of the first threaded sleeve 10 and the second threaded sleeve 11, and the top ends of the two supporting rods 12 are inserted into the groove 2 and fixedly connected to the bottom block 4.

The two-way screw rod 9 is driven to rotate by starting the servo motor 8, the two-way screw rod 9 pushes the first screw sleeve 10 and the second screw sleeve 11 to slide in opposite directions under the action of threads, so that the two supporting rods 12 can be driven to slide, the two bottom blocks 4, the baffle 22 and the chuck 7 are driven to slide in opposite directions respectively by the sliding of the two supporting rods 12, and workpieces with different sizes can be clamped conveniently.

In another embodiment, as shown in fig. 1 and 4, a sliding opening 21 is opened inside the groove 2, and one end of each of the two support rods 12 is slidably connected inside the sliding opening 21.

The position of the supporting rod 12 driving the chuck 7 can be adjusted conveniently through the arranged sliding opening 21.

In another embodiment, as shown in fig. 1, two arc-shaped sliding grooves 23 are formed on the surface of the machine tool base 1, a plurality of balls 24 are arranged at the bottom of the baffle plate 22, and one end of each of the plurality of balls 24 slides inside the arc-shaped sliding groove 23.

The position of the baffle plate 22 can be conveniently limited when the baffle plate slides through the arc sliding chute 23 and the ball 24.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.

Claims

1. A chuck for machine tool machining with a locking structure, comprising a machine tool base (1), characterized in that: the upper surface of lathe base (1) is seted up flutedly (2), a plurality of locking hole (3) have all been seted up to the both sides of recess (2) inner wall, the inside sliding connection of recess (2) has bottom block (4), the equal sliding connection in both sides surface of bottom block (4) has two locking levers (5), the inside in locking hole (3) is established to the one end of locking lever (5), the top fixedly connected with baffle (22) of bottom block (4), the last fixed surface of baffle (22) is connected with drive plate (6), one side fixedly connected with chuck (7) of drive plate (6), the inside of bottom block (4) is equipped with locking Assembly.

2. A chuck for machine tool working having a locking structure according to claim 1, wherein: one side fixedly connected with servo motor (8) of lathe base (1), the output shaft of servo motor (8) passes through two-way lead screw (9) of shaft coupling fixedly connected with, the surface screw thread of two-way lead screw (9) has cup jointed swivel nut (10) and No. two swivel nuts (11), the equal fixedly connected with bracing piece (12) in top of swivel nut (10) and No. two swivel nuts (11), two the inside of locating recess (2) is all worn to the top of bracing piece (12) and bottom block (4) fixed connection.

3. A chuck for machine tool working having a locking structure according to claim 1, wherein: the locking assembly comprises a micro motor (13) fixedly connected to the top of the inner wall of the bottom block (4), an output shaft of the micro motor (13) is connected with a rotating shaft (14) through a coupler fixedly connected with, a gear (15) is sleeved on the surface of the rotating shaft (14), two sides of the gear (15) are respectively meshed with a first rack (16) and a second rack (17), and one end of the first rack (16) is not opposite to that of the second rack (17) and is fixedly connected with a connecting plate (18) and the other end of the locking rod (5) is fixedly connected with one side of the connecting plate (18).

4. A chuck for machine tool machining with a lock structure according to claim 3, wherein: two spacing spout (19) have been seted up to the bottom of bottom block (4) inner wall, the equal fixedly connected with of bottom of a rack (16) and No. two rack (17) is spacing sand grip (20), the one end sliding connection of spacing sand grip (20) is in the inside of spacing spout (19).

5. A chuck for machine tool working having a locking structure according to claim 2, wherein: a sliding opening (21) is formed in the groove (2), and one end of each of the two support rods (12) is connected to the inside of the sliding opening (21) in a sliding mode.

6. A chuck for machine tool working having a locking structure according to claim 1, wherein: two arc-shaped sliding grooves (23) are formed in the surface of the machine tool base (1), a plurality of balls (24) are arranged at the bottom of the baffle (22), and one ends of the balls (24) slide in the arc-shaped sliding grooves (23).