阅读说明：本技术 一种机床主轴生产用热处理装置 (Heat treatment device for machine tool spindle production ) 是由 汪斯宏 于 2020-11-11 设计创作，主要内容包括：本发明公开了一种机床主轴生产用热处理装置,包括底板、主轴和淬火箱,在支架中心位置开设有圆形的孔洞,淬火箱的侧边固定连接有卡块,卡块开设在圆形的孔洞的边缘,淬火箱能够沿着支架转动,在载板上设置安装有定位组件,载板上方设置安装有加热装置。本装置通过在淬火箱的内壁上固定连接有若干的叶板,进而当淬火箱箱在转动的时候,通过叶板进一步带动箱体内淬火液的转动,主轴的淬火的时候,旋转淬火液作用在主轴上,使得主轴单层横截面淬火均匀,进一步提高主轴的实际的淬火效果；同时,通过水泵使得淬火液通过管道进入储水箱内,然后经过雾化喷头进入喷水在主轴上,实现对加热后的主轴实现预处理,具备良好应用前景。(The invention discloses a heat treatment device for production of a machine tool spindle, which comprises a bottom plate, a spindle and a quenching box, wherein a circular hole is formed in the center of a support, a clamping block is fixedly connected to the side edge of the quenching box and is arranged at the edge of the circular hole, the quenching box can rotate along the support, a positioning assembly is arranged on a support plate, and a heating device is arranged above the support plate. According to the device, the inner wall of the quenching box is fixedly connected with the plurality of blades, so that when the quenching box rotates, the blades further drive the quenching liquid in the box to rotate, and when the main shaft is quenched, the rotating quenching liquid acts on the main shaft, so that the single-layer cross section of the main shaft is quenched uniformly, and the actual quenching effect of the main shaft is further improved; meanwhile, the quenching liquid enters the water storage tank through the pipeline through the water pump and then enters the atomizing nozzle to spray water on the main shaft, so that the heated main shaft is pretreated, and the device has a good application prospect.)

1. A heat treatment device for production of a machine tool spindle comprises a base plate (1), a spindle (15) and a quenching box (4), and is characterized in that a support (7) is fixedly connected to the base plate (1), a circular hole is formed in the center of the support (7), a clamping block (6) is fixedly connected to the side edge of the quenching box (4), the clamping block (6) is arranged at the edge of the circular hole, the quenching box (4) can rotate along the support (7), a driving device is arranged between the base plate (1) and a box body, and the driving device is used for driving the quenching box (4) to rotate in the quenching box (4); fixedly connected with support (7) on bottom plate (1), fixedly connected with support plate (12) on support (7), seted up the through-hole on support plate (12), main shaft (15) can pass from the through-hole, and set up on support plate (12) and install locating component, support plate (12) top sets up and installs heating device, heating device is to main shaft (15) heat treatment, at the top fixedly connected with truss of stand (11), guide pulley (18) is installed in the end rotation of truss, rotate on the truss and install wind-up wheel (19), still fixedly connected with mounting bracket (21) on stand (11), fixedly connected with rolling motor (20) on mounting bracket (21), pass through belt transmission between the axis of rotation of rolling motor (20) and the turning wheel of wind-up wheel (19) and be connected with stay cord (17) on wind-up wheel (19), stay cord (17) are around establishing on guide pulley (18), the tail end of the pull rope (17) is fixedly connected with an electromagnet (16), the electromagnet (16) is adsorbed at the tail end of the main shaft (15), and a plurality of blades (5) are fixedly connected to the inner wall of the quenching box (4).

2. The heat treatment device for the production of the machine tool spindle according to claim 1, wherein the driving device comprises a rotating motor (10) and a rotating shaft (9), the rotating shaft (9) is rotatably installed at the bottom of the quenching box (4), the rotating motor (10) is fixedly connected to the bottom plate (1), and the rotating shaft of the rotating motor (10) is in transmission connection with the rotating shaft (9) through a gear pair.

3. The heat treatment device for the production of the machine tool spindle according to claim 1, characterized in that the heating device adopts high frequency (13) heating, the high frequency (13) is fixedly connected to the column (11), a heating coil (14) is fixedly connected to the high frequency (13), and the heating coil (14) is arranged right above the center of the quenching box (4).

4. The heat treatment device for the production of the machine tool spindle according to claim 1, wherein the base plate (1) is fixedly connected with a water storage tank (3), a pipeline is arranged inside the rotating shaft (9), and the pipeline is communicated with the water storage tank (3); the water pump (8) is fixedly connected to the bottom plate (1), and the water pump (8) is communicated with the water storage tank (3); the water pump is characterized in that a connecting pipe (29) is fixedly connected to the support (7), an atomizing nozzle (23) is arranged on the connecting pipe (29), and the water outlet end of the water pump (8) is fixedly connected to the connecting pipe (29).

5. The heat treatment device for machine tool spindle production according to claim 4, wherein the atomizing nozzles (23) are uniformly arranged in three groups along the circumferential direction of the spindle (15).

6. The heat treatment device for the production of the machine tool spindle according to claim 1, wherein a foot support (2) is fixedly connected to the base plate (1), and a non-slip mat is fixedly connected to the foot support (2).

7. The heat treatment device for machine tool spindle production according to claim 1, wherein the positioning assembly comprises a guide wheel (28) and a slide bar (22); the carrier plate (12) is provided with sliding rods (22) in a sliding manner, the sliding rods (22) and the carrier plate (12) are elastically arranged, and three groups of sliding rods (22) are uniformly arranged on the carrier plate (12) along the circumferential direction of the through holes on the carrier plate (12).

Technical Field

The invention relates to the field of machine tools, in particular to a heat treatment device for machine tool spindle production.

Background

In the machining process of the machine tool rotating shaft, quenching treatment needs to be carried out on the machine tool rotating shaft, so that cold austenite is subjected to martensite or bainite transformation, a martensite or bainite structure is obtained, the rigidity, the hardness, the wear resistance, the fatigue strength, the toughness and the like of the rotating shaft are greatly improved, and different requirements on the rotating shaft can be met.

In the existing heat treatment device, the alkali liquor is directly sprayed to the surface of the rotating shaft body through spraying in the using process, so that a large amount of alkali liquor is required to be sprayed to the rotating shaft body, the waste of the alkali liquor is caused, and the quenching cost is high; secondly, alkali liquor cannot be sprayed on the bottom surface of the rotating shaft body, so that the cooling is uneven and incomplete, the cooling effect is influenced, the surface strength distribution of the main shaft is further influenced, the phenomenon of uneven quenching is caused, and the subsequent physical properties of the main shaft are influenced; further provides a heat treatment device for producing the machine tool spindle.

Disclosure of Invention

The invention aims to provide a heat treatment device for producing a machine tool spindle, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a heat treatment device for production of a machine tool spindle comprises a bottom plate, a spindle and a quenching box, wherein a support is fixedly connected to the bottom plate, a circular hole is formed in the center of the support, a clamping block is fixedly connected to the side edge of the quenching box and is formed in the edge of the circular hole, the quenching box can rotate along the support, a driving device is arranged between the bottom plate and a box body and drives the quenching box to rotate when acting in the quenching box; fixedly connected with support on the bottom plate, fixedly connected with support plate has seted up the through-hole on the support plate, and the main shaft can pass in the through-hole, and set up on the support plate and install locating component, and the heating device is installed in the setting of support plate top, heating device is to main shaft heat treatment, at the top fixedly connected with truss of stand, the guide pulley is installed in the end rotation of truss, rotates on the truss and installs the rolling wheel, and fixedly connected with mounting bracket returns on the stand, fixedly connected with rolling motor on the mounting bracket, is connected through belt transmission between rolling motor's the axis of rotation and the rolling wheel of rolling wheel, and fixedly connected with stay cord on the rolling wheel, the stay cord is around establishing on the guide pulley, and the terminal fixedly connected with electro-magnet of stay cord adsorbs at the main shaft end on the inner wall of quenching case, a.

As a further scheme of the invention: the driving device comprises a rotating motor and a rotating shaft, the rotating shaft is rotatably arranged at the bottom of the quenching box, the rotating motor is fixedly connected to the bottom plate, and the rotating shaft of the rotating motor is in transmission connection with the rotating shaft through a gear pair.

As a still further scheme of the invention: the heating device adopts high-frequency heating, the high-frequency is fixedly connected to the upright post, a heating coil is fixedly connected to the high-frequency and is arranged right above the central position of the quenching box.

As a still further scheme of the invention: the bottom plate is fixedly connected with a water storage tank, a pipeline is arranged inside the rotating shaft, and the pipeline is communicated with the water storage tank; the water pump is fixedly connected to the bottom plate, and the water pump is communicated with the water storage tank; the support is fixedly connected with a connecting pipe, the connecting pipe is provided with an atomizing nozzle, and the water outlet end of the water pump is fixedly connected to the connecting pipe.

As a still further scheme of the invention: the atomizer is evenly provided with three groups along main shaft circumference.

As a still further scheme of the invention: the bottom plate on fixedly connected with heel brace, just the heel brace on fixedly connected with slipmat.

As a still further scheme of the invention: the positioning assembly comprises a guide wheel and a sliding rod; the carrier plate is provided with sliding rods in a sliding mode, the sliding rods and the carrier plate are elastically installed, and three groups of sliding rods are uniformly arranged on the carrier plate along the circumferential direction of the through holes in the carrier plate.

Compared with the prior art, the invention has the beneficial effects that: the device is simple in structure and good in actual use effect, the inner wall of the quenching box is fixedly connected with the plurality of blades, so that when the quenching box rotates, the blades further drive the quenching liquid in the box to rotate, and when the main shaft is quenched, the rotating quenching liquid acts on the main shaft, so that the quenching of the single-layer cross section of the main shaft is uniform, and the actual quenching effect of the main shaft is further improved; meanwhile, the quenching liquid enters the water storage tank through the pipeline through the water pump and then enters the atomizing nozzle to spray water on the main shaft, so that the heated main shaft is pretreated, and the device has a good application prospect.

Drawings

FIG. 1 is a schematic structural view of a heat treatment apparatus for machine tool spindle production.

FIG. 2 is a schematic structural view of a quenching box in the heat treatment device for machine tool spindle production.

In the figure: 1-bottom plate, 2-foot support, 3-water storage tank, 4-quenching box, 5-blade plate, 6-fixture block, 7-support, 8-water pump, 9-rotating shaft, 10-rotating motor, 11-upright post, 12-carrier plate, 13-high frequency, 14-heating coil, 15-main shaft, 16-electromagnet, 17-pull rope, 18-guide wheel, 19-winding wheel, 20-winding motor, 21-mounting rack, 22-sliding rod, 23-atomizing nozzle, 28-guide wheel and 29-connecting pipe.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Example one

Referring to fig. 1-2, a heat treatment device for production of a machine tool spindle comprises a base plate 1, a spindle 15 and a quenching box 4, wherein a bracket 7 is fixedly connected to the base plate 1, a circular hole is formed in the center of the bracket 7, a fixture block 6 is fixedly connected to the side edge of the quenching box 4, the fixture block 6 is arranged at the edge of the circular hole, so that the quenching box 4 can rotate along the bracket 7, and a driving device is arranged between the base plate 1 and a box body and acts in the quenching box 4 to further drive the quenching box 4 to rotate; the base plate 1 is fixedly connected with a support 7, the support 7 is fixedly connected with a support plate 12, the support plate 12 is provided with a through hole, a spindle 15 can penetrate through the through hole, the support plate 12 is further provided with a positioning assembly, and the positioning control of the spindle 15 is realized through the positioning assembly; specifically, a heating device is arranged above the carrier plate 12, and the heating device is used for heating the main shaft 15, so that the subsequent quenching effect is improved; the top of the upright post 11 is fixedly connected with a truss, the tail end of the truss is rotatably provided with a guide wheel 18, the truss is rotatably provided with a winding wheel 19, the upright post 11 is also fixedly connected with an installation frame 21, a winding motor 20 is fixedly connected onto the installation frame 21, a rotating shaft of the winding motor 20 is in transmission connection with the rotating wheel of the winding wheel 19 through a belt, the winding wheel 19 is fixedly connected with a pull rope 17, the pull rope 17 is wound on the guide wheel 18, the tail end of the pull rope 17 is fixedly connected with an electromagnet 16, and the electromagnet 16 is adsorbed at the tail end of the main shaft 15, so that the main shaft 15 and the pull rope 17 are relatively fixed; then the winding motor 20 is used for removing the winding wheel 19 to rotate, and the lifting of the spindle 15 is further realized; specifically, on the inner wall of quenching case 4, a plurality of vanes 5 are fixedly connected, and then when quenching case 4 case rotate, through vanes 5 further drive the rotation of the interior quenching liquid of box, main shaft 15 when quenching, rotatory quenching liquid is used in main shaft 15 for main shaft 15 individual layer cross section quenches evenly, further improves main shaft 15's actual quenching effect.

Further, the specific structure of the driving device is not limited, in this embodiment, the driving device includes a rotating motor 10 and a rotating shaft 9, the rotating shaft 9 is rotatably installed at the bottom of the quenching box 4, the rotating motor 10 is fixedly connected to the bottom plate 1, a rotating shaft of the rotating motor 10 is in transmission connection with the rotating shaft 9 through a gear pair, and further the rotating shaft 9 is driven to rotate by the motor.

Further, the specific mechanism of the heating device is not limited, in this embodiment, the heating device is heated by using a high frequency wave 13 in this embodiment, the high frequency wave 13 is fixedly connected to the column 11, a heating coil 14 is fixedly connected to the high frequency wave 13, the heating coil 14 is disposed right above the center of the quenching box 4, and further, when the main shaft 15 passes through the coil, the heating process of the main shaft 15 can be effectively realized.

Further, a water storage tank 3 is fixedly connected to the bottom plate 1, a pipeline is arranged inside the rotating shaft 9, and the pipeline is communicated with the water storage tank 3; wherein, the bottom plate 1 is fixedly connected with a water pump 8, and the water pump 8 is communicated with the water storage tank 3; a connecting pipe 29 is fixedly connected to the bracket 7, the connecting pipe 29 is provided with an atomizing nozzle 23, and the water outlet end of the water pump 8 is fixedly connected to the connecting pipe 29; and then the quenching liquid enters the water storage tank 3 through the pipeline through the water pump 8, then enters the atomizing nozzle 23 to spray water on the main shaft 15, so that the pretreatment of the heated main shaft 15 is further realized, and the actual quenching effect of the main shaft 15 is further improved.

Specifically, the specific number of the atomizing nozzles 23 is not limited, and in this embodiment, three groups of the atomizing nozzles 23 are uniformly arranged along the circumferential direction of the main shaft 15.

Further, in order to improve the stability of the device in the actual use process, the bottom plate 1 is fixedly connected with the foot supports 2, the foot supports 2 are fixedly connected with the non-slip mat, and the stability of the device in the use process is effectively improved through the foot supports 2 and the non-slip mat.

Example two

On the basis of the above-mentioned embodiment of the present invention, the positioning assembly is further explained, wherein the positioning assembly includes the guide wheel 28 and the sliding rod 22; sliding rods 22 are slidably mounted on the carrier plate 12, the sliding rods 22 and the carrier plate 12 are elastically mounted, and three groups of sliding rods 22 are uniformly arranged on the carrier plate 12 along the circumferential direction of the through holes on the carrier plate 12; specifically, when the main shaft 15 passes through the through hole, three sets of rollers can effectively realize the positioning of the main shaft 15, and further effectively improve the actual use effect of the device.

The working principle of the invention is as follows: in the use process of the device, the electromagnet 16 is adsorbed at the tail end of the main shaft 15, so that the main shaft 15 and the pull rope 17 are relatively fixed; then the winding motor 20 is used for removing the winding wheel 19 to rotate, and the lifting of the spindle 15 is further realized; specifically, a plurality of blades 5 are fixedly connected to the inner wall of the quenching box 4, so that when the quenching box 4 rotates, the blades 5 further drive the quenching liquid in the box to rotate, and when the main shaft 15 is quenched, the rotating quenching liquid acts on the main shaft 15, so that the quenching of the single-layer cross section of the main shaft 15 is uniform, and the actual quenching effect of the main shaft 15 is further improved; meanwhile, the quenching liquid enters the water storage tank 3 through a pipeline through the water pump 8, then enters the atomizing nozzle 23 to spray water on the main shaft 15, and the heated main shaft 15 is pretreated.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.