CN219444227U

CN219444227U - Cutter clamping device

Info

Publication number: CN219444227U
Application number: CN202320209649.9U
Authority: CN
Inventors: 李成军; 李先锋
Original assignee: Qingdao Xinsheng Hongfa Machinery Co ltd
Current assignee: Qingdao Xinsheng Hongfa Machinery Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-08-01
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a cutter clamping device, which comprises a workbench, wherein a cutter handle is vertically and slidably inserted in the center position of the top of the workbench, a clamp sleeve is coaxially arranged at the top of the cutter handle, an inverted conical opening is formed in the clamp sleeve, a chuck is slidably inserted in the inverted conical opening, the taper of the outer peripheral surface of the chuck is smaller than that of the inner annular surface of the inverted conical opening, a threaded cover is sleeved on the top of the clamp sleeve in a threaded manner, the inner wall of the top of the threaded cover abuts against the top of the chuck, a cutter main body is slidably inserted in the center position of the chuck, a sleeve ring is sleeved on the outer peripheral surface of the threaded cover, a connecting frame is vertically arranged in the center position of the top of the sleeve ring, a spline rod is vertically arranged in the center position of the top of the connecting frame, and a spline sleeve is sleeved on the upper portion of the spline rod in a sliding manner. The driving assembly and the clamping assembly are matched for use, so that the fastening degree of the cutter body is increased, and the safety of the machining process is improved.

Description

Cutter clamping device

Technical Field

The utility model relates to the technical field of numerical control machining, in particular to a cutter clamping device.

Background

The numerical control machining is a process method for machining parts on a numerical control machine tool, and the numerical control machine tool machining is consistent with the process rules of the traditional machine tool machining in general, but also has obvious change, and the mechanical machining method for controlling the displacement of the parts and the cutters by using digital information is an effective way for solving the problems of changeable varieties of parts, small batch, complex shape, high precision and the like and realizing efficient and automatic machining.

The vertical machining center in numerical control machining is one of the numerical control machining modes, is a machine tool integrating a plurality of different cutters to mill various shapes, and is high in machining precision and suitable for machining various precise parts.

However, in the production process of the vertical machining center, corresponding tools are required to be used for machining workpieces according to the requirements of different products, so that most of fixing fixtures of the tools are in a general form, but in the disassembly and assembly processes of the tools, the screw cap of the fixture is inconvenient to disassemble and assemble, and the sleeve is usually required to be matched with objects such as a hammer to perform hammering disassembly and assembly, so that the disassembly process of the tools is troublesome and lacks certain safety, and a tool clamping device is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a cutter clamping device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a cutter clamping device, includes the workstation, vertical slip in workstation top central point department is inserted and is equipped with the handle of a knife, the coaxial anchor clamps sleeve that is equipped with in handle of a knife top, the inside inverted cone mouth that has seted up of anchor clamps sleeve, the inside slip of inverted cone mouth is inserted and is equipped with the chuck, chuck outer peripheral face tapering is less than inverted cone mouth inner ring face tapering, anchor clamps sleeve top thread bush is equipped with the screw cap, screw cap top inner wall offsets with the chuck top, chuck central point department slides and inserts and be equipped with the cutter main part, screw cap outer peripheral face bush is equipped with the lantern ring, lantern ring top central point department is vertical to be equipped with the link, link top central point department is vertical to be equipped with the spline pole, spline pole upper portion slip cap is equipped with the spline sleeve, spline sleeve top is equipped with and is used for controlling lantern ring pivoted drive assembly, the lantern ring inner ring face is equipped with the joint subassembly that is used for connecting the screw cap.

Preferably, the driving assembly comprises a portal frame which is arranged on the outer peripheral surface of the upper portion of the spline sleeve in a rotating mode, a worm wheel is sleeved on the outer peripheral surface of one end of the spline sleeve extending to the top of the portal frame, a worm is transversely meshed on one side of the worm wheel, bearing seats are symmetrically sleeved on the outer peripheral surfaces of two ends of the worm, the bearing seats are all fixed to the top of the portal frame, and a hand wheel is coaxially arranged at one end of the worm.

The technical scheme is as follows: utilize spline sleeve and spline pole cooperation to use, when the screw thread lid is fastened and is dismantled for the lift of screw thread lid does not influence the transmission effect of worm, improves the convenience that the device used greatly, utilizes the transmission of worm wheel to increase spline sleeve's moment of torsion, and then obtains bigger torsion when fastening the screw thread lid, helps increasing cutter main part fastening degree, improves the security of course of working.

Preferably, the clamping assembly comprises a plurality of bosses which are distributed on the inner annular surface of the lantern ring in an equidistant circumferential array manner, and a plurality of notches which are distributed on the outer circumferential surface of the threaded cover in an equidistant circumferential array manner, wherein the bosses are respectively and slidably embedded in the notches.

The technical scheme is as follows: the screw cap can be driven to rotate when the lantern ring rotates by utilizing the cooperation of the notch and the boss, so that the screw cap applies pressure to the chuck to clamp the cutter body.

Further, the vertical symmetry in workstation top is equipped with the fixed block, the fixed block equipartition with same handle of a knife joint.

The technical scheme is as follows: the cutter handle is clamped and fixed by the fixing block, so that the cutter handle obtains a fixed force when the cutter body is disassembled and assembled, and the cutter body is convenient to disassemble and assemble.

The beneficial effects of the utility model are as follows:

1. through the drive assembly and the joint subassembly cooperation that set up use, utilize spline sleeve and spline pole cooperation to use, when the screw thread lid is fastened and is dismantled, make the lift of screw thread lid not influence the transmission effect of worm, improve the convenience that the device used greatly, utilize the transmission of worm wheel to increase spline telescopic moment of torsion, and then obtain bigger torsion when fastening the screw thread lid, help increasing cutter main part fastening degree, the security of course of working is improved, utilize the cooperation of breach and boss, can drive the screw thread lid rotation when the lantern ring rotates, and then make the screw thread lid apply pressure to the chuck with the cutter main part clamp tightly.

The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model, as well as the preferred embodiments thereof, together with the following detailed description of the utility model, given by way of illustration only, together with the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of a tool clamping device according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a clamping sleeve of a tool clamping device according to the present utility model;

FIG. 3 is a schematic view of a connection structure between a tool shank and a table of a tool holding apparatus according to the present utility model;

fig. 4 is a schematic structural diagram of a clamping assembly of a tool clamping device according to the present utility model.

In the figure: 1. a work table; 2. a knife handle; 3. a clamp sleeve; 4. a screw cap; 5. a chuck; 6. a cutter body; 7. an inverted conical mouth; 8. a fixed block; 9. a collar; 10. a boss; 11. a notch; 12. a connecting frame; 13. a spline bar; 14. a spline sleeve; 15. a worm wheel; 16. a worm; 17. a bearing seat; 18. a hand wheel; 19. and (5) a portal frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Embodiment 1, refer to fig. 1 through 4, a cutter clamping device, including workstation 1, workstation 1 top central point department vertical slip is inserted and is equipped with handle of a knife 2, handle of a knife 2 top coaxial is equipped with clamp sleeve 3, clamp sleeve 3 inside has seted up the back taper mouth 7, back taper mouth 7 inside slip is inserted and is equipped with chuck 5, chuck 5 outer peripheral face tapering is less than back taper mouth 7 inner ring tapering, clamp sleeve 3 top thread bush is equipped with screw cap 4, screw cap 4 top inner wall offsets with chuck 5 top, chuck 5 central point department slip is inserted and is equipped with cutter main part 6, screw cap 4 outer peripheral face cover is equipped with lantern ring 9, lantern ring 9 top central point department vertical is equipped with link 12, link 12 top central point department vertical is equipped with spline pole 13, spline sleeve 14 is equipped with to the slip cap in upper portion of spline pole 13, spline sleeve 14 top is equipped with the drive assembly that is used for controlling lantern ring 9 pivoted, lantern ring 9 inner ring face is equipped with the joint subassembly that is used for connecting screw cap 4.

Specifically, the drive assembly is including locating the portal frame 19 that the cover was located spline sleeve 14 upper portion outer peripheral face, spline sleeve 14 extends to portal frame 19 top one end outer peripheral face cover and is equipped with worm wheel 15, worm wheel 15 one side transversely meshes there is worm 16, worm 16 both ends outer peripheral face symmetry cover is equipped with bearing frame 17, bearing frame 17 is all fixed in portal frame 19 top, worm 16 one end coaxial is equipped with hand wheel 18, utilize spline sleeve 14 and spline pole 13 cooperation to use, when screw cap 4 fastens and dismantles, make the lift of screw cap 4 not influence the transmission effect of worm 16, the convenience of device use is greatly improved, utilize the transmission of worm 16 worm wheel 15 to increase the moment of torsion of spline sleeve 14, and then obtain bigger torsion when fastening screw cap 4, help increasing the cutter main part 6 fastening degree, the security of course of working is improved.

Specifically, the joint subassembly includes equidistant circumference array and distributes in a plurality of bosss 10 of the interior anchor ring of lantern ring 9, and the joint subassembly still includes equidistant circumference array and distributes in a plurality of breach 11 of screw cap 4 outer peripheral face, and inside breach 11 was located in the slip of boss 10, utilized breach 11 and boss 10's cooperation, can drive screw cap 4 rotation when lantern ring 9 rotates, and then makes screw cap 4 apply pressure to chuck 5 and press from both sides tight with cutter main part 6.

Specifically, the vertical symmetry in workstation 1 top is equipped with fixed block 8, and fixed block 8 divide equally and same handle of a knife 2 joint, utilizes fixed block 8 to carry out the joint to handle of a knife 2 fixedly to make handle of a knife 2 obtain fixed power when carrying out the dismouting to cutter main part 6, thereby be convenient for dismouting cutter main part 6.

The working principle of the embodiment is as follows: during the use, carry out joint and vertical placing in workstation 1 top with handle 2 and anchor clamps sleeve 3 through fixed block 8, then place chuck 5 in the back taper mouth 7 inside and insert the central point of locating chuck 5 with cutter main part 6, then carry out partial threaded connection with anchor clamps sleeve 3 top with screw cap 4, then pull down the lantern ring 9 to screw cap 4 top, then rotate hand wheel 18, the hand wheel 18 rotates the time and drives worm 16 under the effect of bearing frame 17, the worm 16 rotates, drive spline sleeve 14 through the transmission of portal frame 19 and worm wheel 15 and rotate, spline sleeve 14 rotates the time and drives the lantern ring 9 through the cooperation of spline pole 13 and link 12, until the boss 10 of lantern ring 9 inner circle rotates to produce the joint with the breach 11 of screw cap 4 outer lane, at this moment, therefore under the cooperation of lantern ring 9 and boss 10, screw cap 4 constantly produces rotation and slowly descends, and produce pressure to chuck 5 top, make the time 5 tighten up to the main part direction under the shrink of back taper mouth 7 under the effect of chuck 5, and then, when reversing the time, can dismantle the hand wheel 18 repeatedly, the operation is needed when the tool is dismantled.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a cutter clamping device, includes workstation (1), its characterized in that, vertical slip in workstation (1) top central point department has inserted handle of a knife (2), handle of a knife (2) top coaxial clamp sleeve (3) that is equipped with, inside inverted cone mouth (7) of having seted up of clamp sleeve (3), inside slip of inverted cone mouth (7) has inserted chuck (5), chuck (5) outer peripheral face tapering is less than inverted cone mouth (7) inner ring face tapering, clamp sleeve (3) top thread bush is equipped with screw cap (4), screw cap (4) top inner wall offsets with chuck (5) top, chuck (5) central point department slides and has inserted tool main part (6), screw cap (4) outer peripheral face bush is equipped with lantern ring (9), lantern ring (9) top central point department is vertical to be equipped with link (12), link (12) top central point department is vertical to be equipped with spline pole (13), spline sleeve (14) are equipped with to slip on chuck (13) upper portion, spline sleeve (14) top is equipped with and is used for controlling the driving assembly of lantern ring (9) and connects screw cap (4).

2. The tool clamping device according to claim 1, wherein the driving assembly comprises a portal frame (19) arranged on the outer peripheral surface of the upper portion of the spline sleeve (14) in a rotating sleeved mode, a worm wheel (15) is sleeved on the outer peripheral surface of one end of the top of the spline sleeve (14), a worm (16) is transversely meshed on one side of the worm wheel (15), bearing seats (17) are symmetrically sleeved on the outer peripheral surfaces of two ends of the worm (16), the bearing seats (17) are all fixed to the top of the portal frame (19), and a hand wheel (18) is coaxially arranged at one end of the worm (16).

3. The tool clamping device according to claim 2, wherein the clamping assembly comprises a plurality of bosses (10) distributed on the inner ring surface of the collar (9) in an equidistant circumferential array, the clamping assembly further comprises a plurality of notches (11) distributed on the outer peripheral surface of the threaded cap (4) in an equidistant circumferential array, and the bosses (10) are respectively and slidably embedded in the notches (11).

4. A tool clamping device according to claim 3, characterized in that the top of the workbench (1) is vertically and symmetrically provided with fixing blocks (8), and the fixing blocks (8) are uniformly clamped with the same tool shank (2).