CN221269688U - Numerical control lathe cutter clamping device - Google Patents

Abstract

The utility model discloses a cutter clamping device of a numerical control lathe, which belongs to the technical field of cutter clamping and comprises a bracket, wherein the top of the bracket is rotationally connected with a cutter frame, the cutter frame controls the rotation direction of the cutter frame through a rotation control mechanism, cutter mounting grooves are symmetrically formed on the side of the cutter frame, a cutter handle is arranged in each cutter mounting groove, and the cutter handle is fixedly arranged in the cutter mounting grooves through a clamping mechanism; according to the utility model, eight cutters can be simultaneously installed on eight planes through the cutter frame with the octagonal edges, and the rotation control mechanism is used for controlling the rotation of the cutters, so that compared with the existing cutter clamping device, the cutter clamping device has the advantages that the installation quantity of the cutters is doubled, the cutter clamping device is more suitable for machining workpieces, the replacement of the cutters in the machining process is avoided, the workpiece machining efficiency is effectively improved, and the cutters are quickly fixed through the clamping mechanism.

Description

Numerical control lathe cutter clamping device

Technical Field

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

Background

The numerical control lathe is one of the numerical control lathes which are widely used at present. The tool clamping device is mainly used for cutting machining of inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces of any cone angle, complex rotation inner and outer curved surfaces, cylindrical threads, conical threads and the like, and a tool clamping device is needed to be used for installing a tool before machining a workpiece.

When the existing numerical control lathe tool clamping device is used, different tools are needed to be used when a workpiece is machined, so that the tool clamping device is required to be provided with a plurality of tools simultaneously, the existing tool clamping device can only be provided with four different tools at most, but when the workpiece machining tool is more than four, machining cannot be completed at one time, the machining needs to be stopped midway, the tools are replaced, and the machining efficiency of the workpiece is low, so that the numerical control lathe tool clamping device is inconvenient to use.

Disclosure of utility model

The utility model aims to provide a cutter clamping device of a numerical control lathe, which achieves the aims that eight cutters can be simultaneously installed on eight planes through a cutter frame in the shape of an equilateral octagon, and the rotation of the cutters is controlled through a rotation control mechanism.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the tool clamping device of the numerical control lathe comprises a bracket, wherein the top of the bracket is rotationally connected with a tool rest, the tool rest controls the rotation direction of the tool rest through a rotation control mechanism, and the tool rest comprises a clamping mechanism,

The side symmetry of cutter frame has seted up the cutter mounting groove, install the handle of a knife in the cutter mounting groove, the handle of a knife passes through fixture fixed mounting in the inside of cutter mounting groove, fixture includes the draw-in groove, the draw-in groove has been seted up to the inboard bottom symmetry of cutter mounting groove, the bottom that the handle of a knife corresponds the draw-in groove is fixed with the fixture block, the inboard top of cutter mounting groove is provided with the clamp plate, the bottom of clamp plate is fixed with the rubber pad, the top rotation of clamp plate is connected with adjusting screw, adjusting screw becomes threaded connection with the cutter frame, adjusting screw is located the end fixing of cutter frame top has the hexagon head, the guide way has been seted up to the inboard top symmetry of cutter mounting groove, the top that the clamp plate corresponds the guide way is fixed with the guide bar.

Preferably, the tool holder is in an equilateral octagon in plan view, eight tool mounting grooves are formed in the tool holder, and the eight tool mounting grooves are respectively located on eight side planes of the tool holder.

Preferably, the rotation control mechanism comprises a transmission groove, the transmission groove is formed in the support, a worm wheel is fixed at the bottom end of the cutter frame corresponding to the transmission groove, a stepping motor is mounted on one side of the support, and a worm is fixed at the shaft end of the stepping motor, which is close to one side of the worm wheel.

Preferably, the pitch of the worm wheel is equal to that of the worm, and the worm wheel is meshed with the worm.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, eight cutters can be simultaneously installed on eight planes through the cutter frame with the octagonal edges, and the rotation control mechanism is used for controlling the rotation of the cutters.

2. According to the utility model, when the cutter is required to be clamped and fixed, the cutter handle is inserted into the cutter mounting groove, the clamping block enters the clamping groove, the hexagon head is rotated to drive the adjusting screw to rotate, the adjusting screw drives the pressing plate to move downwards through threaded connection with the cutter frame, the pressing plate is propped against the cutter handle, the clamping block is prevented from moving out of the clamping groove, and the cutter is quickly fixed through the clamping mechanism.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present utility model.

In the figure: 1. a bracket; 2. a cutter holder; 3. a transmission groove; 4. a worm wheel; 5. a stepping motor; 6. a worm; 7. a cutter mounting groove; 8. a knife handle; 9. a clamping groove; 10. a clamping block; 11. a pressing plate; 12. a rubber pad; 13. adjusting a screw; 14. a hexagonal head; 15. a guide groove; 16. a guide rod.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

Referring to fig. 1 to 3, the present utility model provides a technical solution: the tool clamping device of the numerical control lathe comprises a bracket 1, wherein the top of the bracket 1 is rotationally connected with a tool rest 2, the tool rest 2 controls the rotation direction of the tool rest through a rotation control mechanism,

The side of the cutter frame 2 is symmetrically provided with cutter mounting grooves 7, a cutter handle 8 is arranged in the cutter mounting grooves 7, the cutter handle 8 is fixedly arranged in the cutter mounting grooves 7 through a clamping mechanism, the clamping mechanism comprises clamping grooves 9, clamping grooves 9 are symmetrically formed in the bottoms of the inner sides of the cutter mounting grooves 7, clamping blocks 10 are fixed at the bottoms of the cutter handle 8 corresponding to the clamping grooves 9, a pressing plate 11 is arranged at the top of the inner sides of the cutter mounting grooves 7, a rubber pad 12 is fixed at the bottom of the pressing plate 11, an adjusting screw 13 is rotatably connected to the top of the pressing plate 11, the adjusting screw 13 and the cutter frame 2 form threaded connection, a hexagonal head 14 is fixed at the end part of the adjusting screw 13 above the cutter frame 2, guide grooves 15 are symmetrically formed in the top of the inner sides of the cutter mounting grooves 7, and guide rods 16 are fixed at the tops of the pressing plate 11 corresponding to the guide grooves 15;

The eight cutters can be installed on eight planes through the cutter frame 2 in the shape of the edge octagon at the same time, and the cutters are rotationally controlled through the rotary control mechanism, so that compared with the existing cutter clamping device, the cutter installation quantity is doubled, the cutter clamping device can be more suitable for machining workpieces, cutter replacement in the machining process is avoided, and the efficiency of workpiece machining is improved effectively.

Referring to fig. 1 to 3, the tool holder 2 is in an equilateral octagon shape in top view, eight tool mounting grooves 7 are formed in the tool holder 2, the eight tool mounting grooves 7 are respectively located on eight side planes of the tool holder 2, the rotation control mechanism comprises a transmission groove 3, the transmission groove 3 is formed in the support 1, a worm wheel 4 is fixed to the bottom end of the tool holder 2 corresponding to the transmission groove 3, a stepping motor 5 is mounted on one side of the support 1, a worm 6 is fixed to the shaft end, close to one side of the worm wheel 4, of the stepping motor 5, the tooth pitch of the worm wheel 4 is equal to that of the worm 6, the worm wheel 4 is meshed with the worm 6, the stepping motor 5 is controlled through a numerically controlled lathe controller, the worm 6 drives the worm 6 to rotate through meshing with the worm wheel 4, the tool holder 2 drives eight-side tools to rotate through the rotation control mechanism, and the tool holder 2 is controlled through the rotation control mechanism, so that a tool to be used.

Working principle: this numerical control lathe tool clamping device, can install eight cutters at eight planes simultaneously through the tool holder 2 of these limit octagon shapes, carry out rotary control to the cutter through rotary control mechanism, compare in current tool clamping device, cutter installation quantity promotes one time, can be applicable to more processing the work piece, avoid changing the cutter in the course of working, the efficiency of effectual improvement work piece processing, and control step motor 5 through numerical control lathe controller, make step motor 5 drive worm 6 rotate, worm 6 drives tool holder 2 through the meshing with worm wheel 4 and rotates, make tool holder 2 drive octal cutter rotate, so that control tool holder 2 through rotary control mechanism, so that select the cutter that needs to use, and need carry out the centre gripping fixed time to the cutter, insert cutter handle 8 in cutter mounting groove 7, make fixture block 10 get into draw-in groove 9 simultaneously, afterwards, rotate hexagon head 14, make adjusting screw 13 drive clamp plate 11 through the threaded connection that constitutes with tool holder 2 and move down, make 11 handle of a knife 8, avoid fixture 10 to shift out draw-in groove 9, through setting up so that the centre gripping mechanism supports the cutter fast.

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

Claims (4)

1. The utility model provides a numerical control lathe cutter clamping device, includes support (1), its characterized in that: the top of the bracket (1) is rotationally connected with a cutter frame (2), the cutter frame (2) controls the rotation direction thereof through a rotation control mechanism, wherein,

The side symmetry of cutter frame (2) has seted up cutter mounting groove (7), install handle of a knife (8) in cutter mounting groove (7), handle of a knife (8) constitute threaded connection through fixture fixed mounting in the inside of cutter mounting groove (7), fixture includes draw-in groove (9), draw-in groove (9) have been seted up to the inboard bottom symmetry of cutter mounting groove (7), handle of a knife (8) corresponds the bottom of draw-in groove (9) and is fixed with fixture block (10), the inboard top of cutter mounting groove (7) is provided with clamp plate (11), the bottom of clamp plate (11) is fixed with rubber pad (12), the top rotation of clamp plate (11) is connected with adjusting screw (13), adjusting screw (13) constitute threaded connection with cutter frame (2), the end that adjusting screw (13) are located cutter frame (2) top is fixed with hexagon head (14), guide way (15) have been seted up to the inboard top symmetry of cutter mounting groove (7), the top that clamp plate (11) corresponds guide way (15) is fixed with guide bar (16).

2. The numerically controlled lathe tool holding device as in claim 1, wherein: the tool rack (2) is in an equilateral octagonal overlook, eight tool mounting grooves (7) on the tool rack (2) are formed in total, and the eight tool mounting grooves (7) are respectively located on eight side planes of the tool rack (2).

3. The numerically controlled lathe tool holding device as in claim 1, wherein: the rotary control mechanism comprises a transmission groove (3), the transmission groove (3) is formed in the support (1), a worm wheel (4) is fixed at the bottom end of the cutter frame (2) corresponding to the transmission groove (3), a stepping motor (5) is installed on one side of the support (1), and a worm (6) is fixed at the shaft end, close to one side of the worm wheel (4), of the stepping motor (5).

4. A numerically controlled lathe tool holding device as in claim 3, further comprising: the pitch of the worm wheel (4) is equal to that of the worm (6), and the worm wheel (4) is meshed with the worm (6).