CN215966330U

CN215966330U - Sixteen-shaft spindle box with cutter loosening assembly

Info

Publication number: CN215966330U
Application number: CN202122005976.6U
Authority: CN
Inventors: 欧小冬; 徐燕华; 朱娟; 陆学斌; 宁龙卿
Original assignee: Jiaxing Haofeng Machinery Equipment Manufacturing Co ltd
Current assignee: Jiaxing Haofeng Machinery Equipment Manufacturing Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-08
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a sixteen-shaft spindle box with a cutter loosening assembly, which is characterized in that: the spindle box comprises a spindle box and two spindle assemblies; each main shaft assembly comprises eight main shafts which are symmetrically arranged, a synchronous belt wheel is fixedly arranged at one end of each main shaft, which is far away from the clamping end of a cutter of the main shaft, a driving wheel is fixedly arranged on a motor shaft of the driving motor, a synchronous belt is sleeved on the outer side of each synchronous belt wheel and is in contact with each synchronous belt wheel, and the driving wheel is in contact with the outer side surface of the synchronous belt and extrudes the synchronous belt, so that the synchronous belt has enough tension; on one hand, the synchronous driving of the eight main shafts can be realized by one driving motor, and a synchronous belt transmission system is adopted, so that compared with a gear transmission system, the vibration and the noise are low, and the maintenance is simpler and easier; and on the other hand, the tool changer is provided with a spindle tool releasing and unloading mechanism, so that the spindle tool can be easily detached through the spindle tool releasing and unloading mechanism, the tool changing difficulty is reduced, the tool changing speed is increased, and the tool changing time is saved.

Description

Sixteen-shaft spindle box with cutter loosening assembly

Technical Field

The utility model belongs to the technical field of processing equipment, and particularly relates to a sixteen-shaft spindle box with a cutter loosening assembly.

Background

The parts of many curved surfaces, porous position or the multiple operation processing of complicated structure have always been the difficult point of processing of manufacturing enterprise, often need to split it out a plurality of processes for a part to it can realize its processing production to correspond a plurality of machines, this just also does not lead to processing enterprise's equipment and artifical input to increase, and on the other hand has also increased manufacturing cost undoubtedly, thereby leads to commodity purchase price to increase and subsequent sale price to increase, and the market competition of enterprise receives influence or net profit reduction. In addition, as multiple processes and multiple machine production are undoubtedly required to clamp for multiple times, the precision of the product is difficult to control due to the accumulated clamping errors in each time. The above problems are all problems to be solved. For the existing multi-axis machining equipment, the spindle box structure design of the existing multi-axis machining equipment is that one driving motor can only drive one or two spindles, so that the increase of the number of the spindles has great difficulty. And because the existing multi-axis processing equipment has a large number of main shafts, the traditional tool changing mode is that the tool is manually disassembled and then the tool to be changed is installed, so that the tool changing speed is low, more tool changing time is wasted, and the production progress is delayed.

Disclosure of Invention

The utility model aims to provide a sixteen-shaft spindle box with a cutter loosening assembly, which aims to solve the technical problems in the background art.

In order to solve the technical problem, the utility model aims to realize that:

the utility model provides a sixteen axle headstocks with loose sword subassembly which characterized in that: the spindle box comprises a spindle box and two spindle assemblies; each main shaft assembly comprises eight symmetrically arranged main shafts, and one end of each main shaft, which is far away from a tool clamping end of the main shaft, is fixedly provided with a synchronous belt pulley; the synchronous belt tensioning device is characterized by further comprising a driving motor, a motor shaft of the driving motor is fixedly provided with a driving wheel, a synchronous belt is sleeved on the outer side of each synchronous belt wheel and is in contact with each synchronous belt wheel, the driving wheel is in contact with the outer side face of each synchronous belt and extrudes the synchronous belts, and therefore the synchronous belts have enough tensioning force; and part or all of the main shaft is provided with a main shaft cutter loosening unloading mechanism.

On the basis of the above scheme and as a preferable scheme of the scheme: the spindle tool loosening unloading mechanism is positioned on the side, far away from the rack, of the spindle box.

On the basis of the above scheme and as a preferable scheme of the scheme: the spindle assemblies are arranged side by side.

On the basis of the above scheme and as a preferable scheme of the scheme: the axis of the driving wheel is located on the symmetry axis of the main shaft and is deviated towards the inner side of the main shaft.

On the basis of the above scheme and as a preferable scheme of the scheme: still include a plurality of tight pulleys that rise, rise tight pulley with the contact of hold-in range outside and extrusion the hold-in range, so that the hold-in range with synchronous pulley has sufficient cornerite.

On the basis of the above scheme and as a preferable scheme of the scheme: the tension wheel is positioned between two adjacent synchronous belt wheels far away from the driving wheel.

On the basis of the above scheme and as a preferable scheme of the scheme: the synchronous belt is a double-sided tooth-shaped belt.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that: the sixteen-shaft spindle box with the cutter loosening assembly can realize synchronous driving of eight spindles through one driving motor, and a synchronous belt transmission system is adopted, so that compared with a gear transmission system, vibration and noise are low, and maintenance is simpler and easier; and on the other hand, the tool changer is provided with a spindle tool releasing and unloading mechanism, so that the spindle tool can be easily detached through the spindle tool releasing and unloading mechanism, the tool changing difficulty is reduced, the tool changing speed is increased, and the tool changing time is saved.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a right side view of the overall structure of the present invention;

FIG. 3 is a front view of the overall structure of the present invention;

FIG. 4 is a top plan view of the overall structure of the present invention;

FIG. 5 is a schematic view of the spindle box structure of the overall structure of the present invention;

FIG. 6 is a schematic view of the spindle assembly of the present invention;

FIG. 7 is a schematic view of the headstock structure of the present invention.

Detailed Description

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.

A multi-spindle processing device, which comprises a main shaft,

comprises a frame 10; the frame 10 includes a column 11 and a base 12, and the column 11 is fixedly mounted on the base 12.

And the vertical linear reciprocating motion assembly 60 is fixedly arranged on the upright post 11 of the frame.

A first horizontal linear reciprocating motion assembly 40;

the second horizontal linear reciprocating motion assembly 50 is fixedly arranged on the base 12 of the rack, the first horizontal linear reciprocating motion assembly 40 is fixedly arranged at the output end of the second horizontal linear reciprocating motion assembly 50, the first horizontal linear reciprocating motion assembly 40 is perpendicular to the second horizontal linear reciprocating motion assembly 50, and the vertical linear reciprocating motion assembly 60 is positioned above the first horizontal linear reciprocating motion assembly 40 and the second horizontal linear reciprocating motion assembly 50.

The spindle mechanism 20 is fixedly arranged at the output end of the vertical linear reciprocating motion assembly 60, the spindle mechanism 20 comprises a spindle box 22 and a plurality of spindle assemblies 21, each spindle assembly 21 comprises a plurality of spindles 25, and the spindles 25 are symmetrically arranged in two rows; a plurality of driving motors 23, wherein a plurality of spindles 25 in each spindle assembly 21 are driven by one driving motor 23 to synchronously rotate in the same direction; specifically, in the present embodiment, the spindle box 22 is fixedly disposed at the output end of the vertical linear reciprocating motion assembly 60; the driving motor 23 is fixedly arranged on the main spindle box 22 and close to the side of the upright post 11, and due to the fact that the driving motor 23 is heavy in weight, the arrangement close to the upright post can remarkably reduce the torque acting force of the driving motor 23 on the upright post, reduce the requirement on the rigidity of the upright post 11 and improve the running stability; two spindle assemblies 21 are arranged side by side, each spindle assembly 21 comprises eight spindles 25, a synchronous pulley 211 is fixedly arranged at one end, away from a cutter clamping end 251, of each spindle 25, a driving wheel 231 is fixedly arranged on a motor shaft of the driving motor 23, a synchronous belt 213 is sleeved on the outer side of each synchronous pulley 211 and is in contact with each synchronous pulley 211, the driving wheel 231 is in contact with the outer side face of the synchronous belt 213 and extrudes the synchronous belt 213, and therefore the synchronous belt 213 has enough tension. Further, in order to achieve a uniform and stable drive of the timing belt by the driving wheel 231, it is necessary that the timing belt has a sufficient wrap angle with respect to the driving wheel 231, and therefore, in the present embodiment, it is preferable that the axis of the driving wheel 231 is located on the axis of symmetry of the main shaft 25 and is shifted inward of the main shaft. Further, in order to better achieve an optimal wrap angle of each of the timing pulley and the timing belt, the present embodiment preferably further includes a plurality of tension pulleys 212, and the tension pulleys 212 contact the outer side of the timing belt 213 and press the timing belt 213, so that the timing belt 213 has a sufficient wrap angle with the timing pulley 211 and the timing belt 213 maintains a sufficient tension. Further, the timing belt 213 is preferably a timing double-sided toothed belt. The synchronous driving of the eight main shafts can be realized through one driving motor, and a synchronous belt transmission system is adopted, so that compared with a gear transmission system, the vibration and the noise are small, and the maintenance is simpler and easier; in addition, the production cost of the equipment is reduced, and the volume of the equipment is reduced.

In this embodiment, it is further preferable that the spindle box 22 is hollow and at least includes an accommodating chamber 221, and the driving wheel 231, the synchronous pulley 211, the synchronous belt 213 and the tension pulley 212 are all located in the accommodating chamber 21, so that structural optimization of the whole spindle mechanism is realized, the rotating component is built in as much as possible, the spindle mechanism is separated from a harsh external processing environment, the service life of the device is prolonged, the volume of the device is reduced, and the use safety of the device is improved.

The turntable mechanism 30 is fixedly arranged at the output end of the first horizontal linear reciprocating component 40. It should be noted that the turntable mechanism 30 of the present application is the same as the related art, and includes a rotating mechanism and a tailstock arranged oppositely, a fixture mounting plate is fixed between the rotating mechanism and the tailstock, and the fixture mounting plate is rotated under the driving of the rotating mechanism. The rotary table mechanism 30 is fixedly provided with clamps 70 which correspond to the main shafts 25 one by one, and the clamps 70 are fixedly arranged on the clamp mounting plate so as to realize the angle adjustment of the clamps; the tool holding end 251 of the spindle faces the holder 70. So that the movement and positioning of the turntable mechanism 30 in the horizontal plane in the lateral and longitudinal directions is achieved by the movement of the first and second horizontal linear reciprocating motion assemblies 40 and 50. The spindle mechanism 20 is driven by the output end of the vertical linear reciprocating motion assembly 60 to move in the vertical direction, so that the distance between the spindle and the fixture 70 is adjusted, and the machining depth is adjusted. In addition, the rotating shaft of the turntable mechanism 30 can drive the fixture 70 to rotate according to more preset parameters, so that the adjustment of the machining angle is realized, and the machining of an included angle, a complex structure or a curved surface is facilitated. In this embodiment, it is further preferable that the spindles 25 are distributed on the spindle box 22 in a rectangular shape with four times four, and are sequentially divided into four parallel stations along the side direction of the spindle box 22 away from the upright post 11 and close to the side of the upright post 11, that is, each parallel station includes four spindles, and the spindles in each parallel station clamp the same kind of tool; the jigs on the turntable mechanism 30 correspond to the spindles of the side-by-side stations one by one, and there are also four jigs. The arrangement can realize the simultaneous clamping of four parts, the clamp and the workpiece are driven by the movement of the first horizontal linear reciprocating motion assembly 40 and the second horizontal linear reciprocating motion assembly 50 to position the longitudinal and transverse processing positions, and after the processing of the process is finished, the clamp and the workpiece are driven by the second horizontal linear reciprocating motion assembly 50 to move downwards and switch the parallel stations, so that the transfer switching of the next processing process is realized, therefore, a plurality of workpieces can be clamped at one time, the processing efficiency is improved, and the processing of a plurality of processes can be realized by one machine; in addition, the multi-process machining only needs to be carried out once clamping, so that the clamping time is saved, the production efficiency is improved, the product precision is obviously improved by one-time device, and the product quality is improved. It should be noted that, in the present embodiment, it is preferable that the vertical linear reciprocating assembly 60, the first horizontal linear reciprocating assembly 40, and the second horizontal linear reciprocating assembly 50 all include a servo motor and a ball screw structure, and certainly include a necessary guide rail and slider structure between the sliding part and the fixing part, for example, a vertical guide rail is fixedly arranged on the upright 11, a slider is fixedly arranged on the side of the main spindle box facing the upright, and guiding, supporting, and reducing sliding friction are realized by the cooperation of the guide rail and slider.

As a further preferred feature of the present embodiment, the spindle of the apparatus of the present application is partially or entirely provided with the spindle release unloading mechanism 24, so that when the tool needs to be replaced, the tool can be easily and quickly removed by the spindle release unloading mechanism. It should be noted that the spindle loose tool unloading mechanism is the same as the prior art, and is not described herein again. Wherein, it is the side of keeping away from stand 11 on headstock 22 that preferred main shaft pine sword unloading mechanism 24 is located, on the one hand the reasonable arrangement in space and the atress of headstock optimize on headstock 22, on the other hand, often when anchor clamps withdraw from machining station to material loading station, often keep away from stand place one end, then consider the rationality of machining path, can understand as being rough machining in a station side by side of keeping away from the stand the most, be semi-finishing and finish machining etc. inwards in proper order, then required main shaft type just can be different, main shaft pine sword unloading mechanism 24 just can be more convenient the realization be located the main shaft cutter dismantlement on the two rows of stations side by side of outside.

Therefore, the multi-spindle machining device can realize synchronous rotation of multiple main shafts, and the clamps on the rotating mechanism correspond to the main shafts one by one, so that synchronous or step-by-step machining of multiple parts can be realized; certainly, many main shafts can be built into a plurality of stations side by side, and every station sets for a manufacturing procedure side by side, just can realize once the clamping through the equipment of this application and accomplish the processing action of many processes then to slewing mechanism can follow-up with main shaft mechanism, thereby realizes multi-angle solid processing, is particularly suitable for the part machining of some multi-curved surface multi-angle hole sites.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a sixteen axle headstocks with loose sword subassembly which characterized in that: the spindle box comprises a spindle box and two spindle assemblies; each main shaft assembly comprises eight symmetrically arranged main shafts, and one end of each main shaft, which is far away from a tool clamping end of the main shaft, is fixedly provided with a synchronous belt pulley; the synchronous belt tensioning device is characterized by further comprising a driving motor, a motor shaft of the driving motor is fixedly provided with a driving wheel, a synchronous belt is sleeved on the outer side of each synchronous belt wheel and is in contact with each synchronous belt wheel, the driving wheel is in contact with the outer side face of each synchronous belt and extrudes the synchronous belts, and therefore the synchronous belts have enough tensioning force; and part or all of the main shaft is provided with a main shaft cutter loosening unloading mechanism.

2. A sixteen-axis headstock with a unclamp assembly according to claim 1, wherein: the spindle tool loosening unloading mechanism is positioned on the side, far away from the rack, of the spindle box.

3. A sixteen-axis headstock with a unclamp assembly according to claim 1, wherein: the spindle assemblies are arranged side by side.

4. A sixteen-axis headstock with a unclamp assembly according to claim 1, wherein: the axis of the driving wheel is located on the symmetry axis of the main shaft and is deviated towards the inner side of the main shaft.

5. A sixteen-axis headstock with a unclamp assembly according to claim 1, wherein: still include a plurality of tight pulleys that rise, rise tight pulley with the contact of hold-in range outside and extrusion the hold-in range, so that the hold-in range with synchronous pulley has sufficient cornerite.

6. A sixteen-axis headstock with a unclamp assembly according to claim 5, wherein: the tension wheel is positioned between two adjacent synchronous belt wheels far away from the driving wheel.

7. A sixteen-axis headstock with a unclamp assembly according to claim 1, wherein: the synchronous belt is a double-sided tooth-shaped belt.