阅读说明：本技术 一种外圆锥面磨床 (Grinding machine for external conical surface ) 是由 *** 刘星 于 2019-08-23 设计创作，主要内容包括：本发明提供的一种外圆锥面磨床,包括机床、加工部和打磨部,加工部和打磨部分别相对设置在机床两头,加工部设置在机床工作平台上,打磨部设置在机床底座上,加工部包括主轴箱、主轴座和齿轮夹具,主轴箱设置在机床工作平台上,主轴箱设置在主轴座上,齿轮夹具设置在主轴箱的主轴上,主轴轴线与机床母线间为夹角α,夹角α等于待加工齿轮锥面的锥度的0.5倍,打磨部包括连接板、磨头底座和磨轮组件,连接板设置在机床底座上,磨头底座设置在连接板上,磨轮组件设置在磨头底座上的磨头转轴上。使用该装置对齿轮加工中的外圆锥面进行打磨,能有效高速的进行打磨,在打磨时防止了磨轮与齿轮台阶碰撞。(the invention provides an external conical surface grinding machine which comprises a machine tool, a processing part and a grinding part, wherein the processing part and the grinding part are respectively arranged at two ends of the machine tool in a relative mode, the processing part is arranged on a working platform of the machine tool, the grinding part is arranged on a base of the machine tool, the processing part comprises a spindle box, a spindle seat and a gear clamp, the spindle box is arranged on the working platform of the machine tool, the spindle box is arranged on the spindle seat, the gear clamp is arranged on a spindle of the spindle box, an included angle alpha is formed between the axis of the spindle and the base of the machine tool, the included angle alpha is equal to 0.5 time of the taper of a conical surface of a gear to be processed, the grinding part comprises a connecting plate, a grinding head base and a grinding wheel assembly, the connecting plate is arranged on the base of. The device is used for polishing the outer conical surface in gear machining, can effectively polish at a high speed, and prevents the grinding wheel from colliding with the gear step when polishing.)

1. The utility model provides an outer conical surface grinding machine which characterized in that: including lathe, processing portion (2) and portion (3) of polishing set up at the lathe both ends relatively respectively, processing portion (2) set up on lathe work platform, portion (3) of polishing set up on lathe base (31), processing portion (2) include headstock (22), headstock (21) and gear anchor clamps (24), gear anchor clamps (24) are used for the clamping to wait to process gear (1), headstock (22) set up on lathe work platform, headstock (22) set up on headstock (21), gear anchor clamps (24) set up on the main shaft of headstock (22), are contained angle alpha between main shaft axis (23) and lathe generating line (4), contained angle alpha equals to wait to process 0.5 times of the tapering of gear (1) (11), portion (3) of polishing include connecting plate (32), Grinding head base (33) and grinding wheel subassembly (34), grinding wheel subassembly (34) are used for polishing outer conical surface (11), connecting plate (32) set up on machine tool base (31), grinding head base (33) set up on connecting plate (32), grinding wheel subassembly (34) set up on the bistrique pivot on grinding head base (33).

2. the external circular conical surface grinding machine according to claim 1, wherein: the gear clamp (24) comprises a connecting base (241), a clamp body (242), a pressing plate (245), a pull rod (244) and a thread connecting sleeve (243), one end of the connecting base (241) is arranged on a main shaft, the other end of the connecting base is provided with a connecting rod, one end of the thread connecting sleeve (243) is connected with the connecting rod, the center of the clamp body (242) is provided with a cavity (2423) and a through hole (2421), the outer circumferential surface of the clamp body (242) is further provided with a step (2422) for clamping a gear (1) to be machined, the diameter of the step (2422) is the same as that of an inner hole of the gear (1) to be machined, the height of the step (2422) is smaller than the thickness of the gear (1) to be machined, the cavity (2423) is communicated with the through hole (2421), one end of the clamp body (242) is abutted against the connecting base (241), the connecting rod and the thread connecting sleeve (243, one end of the pull rod (244) penetrates through the pressure plate (245) and the through hole (2421) and then is connected with the threaded connecting sleeve (243), the other end of the pull rod (244) is provided with a stop block (2441), and the pressure plate (245) is arranged between the stop block (2441) and the clamp body (242).

3. the external circular conical surface grinding machine according to claim 1, wherein: the grinding wheel assembly (34) comprises a grinding head rod (341) and a grinding wheel (342), one end of the grinding head rod (341) is arranged on a grinding head rotating shaft, and the grinding wheel (342) is arranged at the other end of the grinding head rod (341).

4. The external conical surface grinding machine according to claim 3, wherein: the grinding wheel (342) is fixedly arranged on the grinding head rod (341) through a screw rod (344), and a gasket (343) is arranged between the screw rod (344) and the grinding wheel (342).

5. An external circular cone grinding machine according to claim 3 or 4, wherein: the grinding wheel (342) adopts a bowl-shaped grinding wheel (342).

6. the external cone surface grinding machine according to claim 1, wherein an included angle β is formed between the grinding head rotating shaft axis (35) and a machine tool generatrix (4), and the included angle β is 15 ° ~ 20 °.

Technical Field

the invention relates to the technical field of gear machining, in particular to an external conical surface grinding machine.

background

Disclosure of Invention

In view of the above, the present invention provides an external conical surface grinding machine for a gear, which is used for grinding an external conical surface during gear machining, and can effectively grind at high speed, and the grinding precision is high; and simultaneously, the grinding wheel is prevented from colliding with the gear during grinding.

The invention solves the technical problems by the following technical means: the invention provides an external conical surface grinding machine which comprises a machine tool, a processing part and a grinding part, wherein the processing part and the grinding part are respectively arranged at two ends of the machine tool oppositely, the processing part is arranged on a working platform of the machine tool, the grinding part is arranged on a base of the machine tool, the processing part comprises a spindle box, a spindle seat and a gear clamp, the gear clamp is used for clamping a gear to be processed, the spindle box is arranged on the working platform of the machine tool, the spindle box is arranged on the spindle seat, the gear clamp is arranged on a spindle of the spindle box, an included angle alpha is formed between the axis of the spindle and the base of the machine tool, the included angle alpha is equal to 0.5 time of the taper of the conical surface of the gear to be processed, the grinding part comprises a connecting plate, a grinding head base and a grinding wheel assembly, the grinding wheel assembly is used for grinding an external conical surface, the connecting plate is arranged, the grinding wheel assembly is arranged on a grinding head rotating shaft on the grinding head base.

Further, the gear clamp comprises a connecting base, a clamp body, a pressing plate, a pull rod and a thread connecting sleeve, one end of the connecting base is arranged on the main shaft, a connecting rod is arranged at the other end of the connecting base, one end of the thread connecting sleeve is connected onto the connecting rod, a cavity and a through hole are arranged at the center of the clamp body, a step used for clamping a gear to be machined is further arranged on the outer circumferential surface of the clamp body, the diameter of the step is the same as that of an inner hole of the gear to be machined, the step is smaller than the thickness of the gear to be machined, the cavity is communicated with the through hole, one end of the clamp body is abutted against the connecting base, the connecting rod and the thread connecting sleeve are arranged in the cavity, one end of the pull rod is connected with the thread connecting sleeve after passing through the pressing plate and the through hole.

Further, the grinding wheel assembly comprises a grinding head rod and a grinding wheel, one end of the grinding head rod is arranged on the grinding head rotating shaft, and the grinding wheel is arranged at the other end of the grinding head rod.

Further, the grinding wheel is fixedly arranged on the grinding head rod through a screw rod, and a gasket is arranged between the screw rod and the grinding wheel.

Further, the grinding wheel is a bowl-shaped grinding wheel.

Further, an included angle beta is formed between the axis of the grinding head rotating shaft and a machine tool bus, and the included angle beta is 15 degrees ~ 20 degrees.

According to the technical scheme, the invention has the beneficial effects that: the invention provides an external conical surface grinding machine which comprises a machine tool, a processing part and a grinding part, wherein the processing part and the grinding part are respectively arranged at two ends of the machine tool oppositely, the processing part is arranged on a working platform of the machine tool, the grinding part is arranged on a base of the machine tool, the processing part comprises a spindle box, a spindle seat and a gear clamp, the gear clamp is used for clamping a gear to be processed, the spindle box is arranged on the working platform of the machine tool, the spindle box is arranged on the spindle seat, the gear clamp is arranged on a spindle of the spindle box, an included angle alpha is formed between the axis of the spindle and the base of the machine tool, the included angle alpha is equal to 0.5 time of the taper of the conical surface of the gear to be processed, the grinding part comprises a connecting plate, a grinding head base and a grinding wheel assembly, the grinding wheel assembly is used for grinding an external conical surface, the connecting plate is arranged, the grinding wheel assembly is arranged on a grinding head rotating shaft on the grinding head base. The device is used for grinding the outer conical surface in gear machining, so that the grinding can be effectively carried out at high speed, the grinding precision is higher, and the grinding wheel is prevented from colliding with the gear during grinding.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a cross-sectional view of a gear to be machined in the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a top view of an external conical surface grinding machine shown in FIG. 2;

FIG. 4 is an enlarged view of a portion of the external conical surface grinding machine shown in FIG. 3 at position A;

FIG. 5 is a side view of an external conical surface grinding machine shown in FIG. 2;

FIG. 6 is an exploded view of the gear clamp of the present invention;

FIG. 7 is a cross-sectional view of a gear clamp of the present invention;

FIG. 8 is a cross-sectional view of the grinding wheel assembly of the present invention;

FIG. 9 is a perspective view of the grinding wheel of the present invention;

fig. 10 is a cross-sectional view of a clip body of the present invention.

Reference numerals:

1-a gear to be processed; 2-a processing part; 3-grinding part; 4-machine tool bus;

11-a conical surface; 12-step; 21-a spindle base; 22-a headstock; 23-main shaft axis; 24-a gear clamp; 31-a machine tool base; 32-a connecting plate; 33-a grinding head base; 34-a grinding wheel assembly; 35-axis of the grinding head rotating shaft;

241-a connection base; 242-a clamp body; 243-thread connecting sleeve; 244-a pull rod; 245-a platen; 341-grinding head rod; 342-a grinding wheel; 343-a washer; 344-screw rod;

2421-a through hole; 2422 a step; 2423-cavity; 2441-stop block.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

in the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1-10, the external conical surface grinding machine provided by the present invention includes a machine tool, a processing portion 2 and a polishing portion 3, the processing portion 2 and the polishing portion 3 are respectively disposed at two ends of the machine tool in an opposite manner, the processing portion 2 is disposed on a working platform of the machine tool, the polishing portion 3 is disposed on a base 31 of the machine tool, the processing portion 2 includes a spindle box 22, a spindle seat 21 and a gear clamp 24, the gear clamp 24 is used for clamping a gear 1 to be processed, the spindle box 22 is disposed on the working platform of the machine tool, the spindle box 22 is disposed on the spindle seat 21, the gear clamp 24 is disposed on a spindle of the spindle box 22, an included angle α is formed between a spindle axis 23 and a machine tool bus 4, the included angle α is equal to 0.5 times of the taper of the conical surface 11 of the gear 1 to be processed, as shown in fig. 3, when the gear to be processed is projected on a horizontal plane, a projection line of the conical, the grinding part 3 comprises a connecting plate 32, a grinding head base 33 and a grinding wheel assembly 34, wherein the grinding wheel assembly 34 is used for grinding the outer conical surface 11, the connecting plate 32 is arranged on the machine tool base 31, the grinding head base 33 is arranged on the connecting plate 32, and the grinding wheel assembly 34 is arranged on a grinding head rotating shaft on the grinding head base 33. As shown in fig. 3, an included angle α is formed between the spindle axis 23 and the machine tool busbar 4, so that a projection line of one side of the conical surface 11 projected on a horizontal plane is parallel to the machine tool busbar 4, and in the rotation process of the belt machining gear, when the grinding wheel 342 grinds the conical surface 11 on the side, the grinding wheel is equivalent to grinding a straight line, so that the conical surface 11 is ground more easily, and meanwhile, the grinding wheel 342 moves in the direction of the machine tool busbar 4 to grind the whole conical surface 11. Specifically, the axis of the main shaft and the axis of the rotating shaft of the grinding head are on the same horizontal plane, and the grinding part moves transversely and longitudinally on one plane of the machine tool to perform feeding and grinding.

As a further improvement to the above technical solution, the gear clamp 24 includes a connecting base 241, a clamp body 242, a pressure plate 245, a pull rod 244 and a thread connecting sleeve 243, one end of the connecting base 241 is disposed on the main shaft, the other end is provided with a connecting rod, one end of the thread connecting sleeve 243 is connected to the connecting rod, the center of the clamp body 242 is provided with a cavity 2423 and a through hole 2421, the outer circumferential surface of the clamp body 242 is further provided with a step 2422 for clamping the gear 1 to be processed, the diameter of the step 2422 is the same as the diameter of the inner hole of the gear 1 to be processed, the height of the step 2422 is smaller than the thickness of the gear 1 to be processed, the cavity 2423 is communicated with the through hole 2421, one end of the clamp body 242 abuts against the connecting base 241, the connecting rod and the thread connecting sleeve 243 are disposed in the cavity 2423, one end of the pull rod 244 passes through the, the other end of the pull rod 244 is provided with a stopper 2441, and the pressing plate 245 is disposed between the stopper 2441 and the clamp body 242. Preferably, a concave hole is further formed in one end of the connecting rod, which is close to the pull rod 244, and the concave hole is used for enabling the pull rod 244 to continue to extend into one end of the connecting base 241 after penetrating through the threaded connecting sleeve 243, as shown in fig. 5, a thread is formed in one end, which is far away from the connecting base 241, of the connecting rod, two sections of threaded holes are formed in the threaded connecting sleeve 243, one end, which is close to the connecting rod, of the connecting rod is in threaded connection with the connecting rod, the other end of the connecting rod is in threaded connection with the pull rod 244, and the pull rod 244 applies. Meanwhile, different clamp bodies 242 can be replaced according to the diameter of the inner hole of the gear 1 to be machined to adapt to gear clamping of different sizes. The length of the step 2422 of the clamp body 242 is smaller than the thickness of the gear 1 to be machined, so that the gear to be machined is partially suspended 2, and the pressure plate 245 applies pressure to the gear to be machined to clamp the gear 1 to be machined.

As a further improvement to the above technical solution, the grinding wheel assembly 34 includes a grinding head rod 341 and a grinding wheel 342, one end of the grinding head rod 341 is disposed on the grinding head rotating shaft, and the grinding wheel 342 is disposed at the other end of the grinding head rod 341. As shown in fig. 6, the grinding wheel 342 is mounted on the grinding head rotary shaft via the grinding head rod 341.

As a further improvement to the above technical solution, the grinding wheel 342 is fixedly mounted on the grinding head rod 341 through a screw 344, and a gasket 343 is further disposed between the screw 344 and the grinding wheel 342. The grinding wheel 342 is fixedly arranged by the screw 344, so that the grinding wheel 342 can be conveniently detached and replaced.

As a further improvement to the above technical solution, the grinding wheel 342 is a bowl-shaped grinding wheel 342. The bowl-shaped grinding wheel 342 is used to facilitate and thoroughly grind. And it is more advantageous to grind the conical surface 11 to the portion recessed inside the gear.

As a further improvement of the technical scheme, an included angle beta is formed between the grinding head rotating shaft axis 35 and the machine tool bus 4, and the included angle beta is 15 degrees ~ 20 degrees, as shown in FIG. 3, an included angle is formed between the grinding head rotating shaft axis 35, namely, the central line of the grinding wheel 342 and the machine tool bus 4, so that an included angle gamma is formed between the end surface of the grinding wheel 342 and the end surface of the gear 1 to be processed when the grinding wheel 342 is used for grinding, the grinding wheel is prevented from colliding with the gear, the grinding wheel is prevented from colliding with the step 12, meanwhile, the grinding wheel 342 with a larger diameter can be used for grinding, and therefore, the rotating speed of the grinding wheel rotating shaft can be reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.