CN210549972U

CN210549972U - Grinding machine for external conical surface

Info

Publication number: CN210549972U
Application number: CN201921381395.9U
Authority: CN
Inventors: 罗箭; 刘星
Original assignee: Chongqing Shenjian Auto Transmission Co ltd
Current assignee: Double Ring Drive Chongqing Precision Technology Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-19
Anticipated expiration: 2029-08-23

Abstract

the utility model provides a pair of outer circular conical surface grinding machine, which comprises a machine tool, processing portion and the portion of polishing do not set up at the lathe both ends relatively, processing portion sets up on lathe work platform, the portion of polishing sets up on the lathe base, processing portion includes the headstock, spindle drum and gear anchor clamps, the headstock sets up on lathe work platform, the headstock sets up on the spindle drum, gear anchor clamps set up on the main shaft of headstock, be contained angle α between main shaft axis and the lathe bus, contained angle α equals treats 0.5 times of the tapering of processing the gear conical surface, the portion of polishing includes the connecting plate, bistrique base and emery wheel subassembly, the connecting plate sets up on the lathe base, the bistrique base sets up on the connecting plate, the emery wheel subassembly sets up in the bistrique pivot on the bistrique base.

Description

Grinding machine for external conical surface

Technical Field

The utility model relates to a gear machining technical field, concretely relates to outer circular conical surface grinding machine.

Background

In the prior art, similar cylinder or circular cone mainly lean on artifical to polish, manual efficiency of polishing is extremely low, the uneven atress of handheld operation of polishing causes the coarse inequality of machined surface easily and forms irregular stripe, can not form good conical surface shape, cause and polish the quality unstable yet, the effect of polishing of the conical surface is also not ideal, please refer to fig. 1, it demonstrates the schematic diagram of the structure of a gear, conical surface 11 needs to polish in the picture, in prior art, except using manual to polish, can't use current cylindrical grinder or hole grinder to polish, make machining efficiency low, and the product precision of polishing out is not high, can't satisfy the requirement. Meanwhile, the grinding wheel easily collides against the step 12 to damage the gear at the time of machining.

SUMMERY OF THE UTILITY MODEL

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

the utility model provides a pair of outer circular conical surface grinding machine, including lathe, processing portion and the portion of polishing do not set up at the lathe two relatively, processing portion sets up on lathe work platform, the portion of polishing sets up on the lathe base, processing portion includes headstock, headstock and gear fixture, gear fixture is used for the clamping to wait to process the gear, the headstock sets up on lathe work platform, the headstock sets up on the headstock, gear fixture sets up on the main shaft of headstock, is contained angle α between main shaft axis and the lathe bus, contained angle α equals to wait to process 0.5 times of the tapering of the conical surface of gear, the portion of polishing includes connecting plate, bistrique base and emery wheel subassembly, the emery wheel subassembly is used for polishing outer circular conical surface, the connecting plate sets up on the lathe base, the bistrique base sets up on the connecting plate, the bistrique subassembly sets up in the bistrique pivot on the bistrique 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 β is formed between the axis of the grinding head rotating shaft and a machine tool bus, and the included angle β is 15-20 degrees.

according to the technical scheme, the utility model has the beneficial effects that the utility model provides a pair of outer circular conical surface grinding machine, including lathe, processing portion and the portion of polishing do not set up at the lathe two relatively, processing portion sets up on lathe work platform, the portion of polishing sets up on the lathe base, processing portion includes headstock, headstock and gear fixture, gear fixture is used for the clamping to wait to process the gear, the headstock sets up on lathe work platform, the headstock sets up on the headstock, gear fixture sets up on the main shaft of headstock, and the main shaft axis is the contained angle α with the lathe bus-bar, contained angle α equals to wait to process 0.5 times of the tapering of gear conical surface, the portion of polishing includes connecting plate, bistrique base and emery wheel subassembly, the emery wheel subassembly is used for polishing the outer circular conical surface, the connecting plate sets up on the lathe base, the bistrique base sets up on the connecting plate, the emery wheel subassembly sets up in the pivot on the bistrique base.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in 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 according to the present invention;

FIG. 2 is a three-dimensional structure diagram of the utility model during operation;

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 the 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 the clamp body according to 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 in the present application may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "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 for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. 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 present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, 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 meaning either a fixed connection, a removable connection, or an integral connection; 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 present application can be understood by those of ordinary skill in the art through specific situations.

referring to fig. 1-10, the present invention provides an external conical surface grinding machine, including a machine tool, a processing portion 2 and a grinding portion 3, where the processing portion 2 and the grinding portion 3 are respectively disposed at two ends of the machine tool relatively, the processing portion 2 is disposed on a working platform of the machine tool, the grinding 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 generatrix 4, the included angle α is equal to 0.5 times of a taper of a 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 surface 11 is parallel to the machine tool generatrix, the grinding portion 3 includes a grinding wheel base 32, a grinding wheel assembly 34, the grinding wheel assembly 34 is disposed on the horizontal plane, and a grinding wheel assembly 34 is disposed on the spindle base, and a horizontal plane, the grinding wheel assembly is moved along a horizontal plane, the spindle axis of the spindle base 11, the spindle box 34, the grinding wheel assembly is moved along a horizontal plane, the spindle 11, the grinding wheel assembly, the spindle 11, the spindle seat 33, and the grinding wheel assembly is moved along a horizontal plane, the grinding wheel assembly 34, the spindle 11, the grinding wheel assembly is moved along a horizontal plane, the horizontal plane, and the grinding wheel assembly 34, the grinding wheel assembly is moved along a horizontal plane, the horizontal plane.

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 β is formed between the grinding head rotating shaft axis 35 and the machine tool bus 4, and the included angle β is 15-20 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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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 substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. the outer conical surface grinding machine is characterized by comprising a machine tool, a machining part (2) and a grinding part (3), wherein the machining part (2) and the grinding part (3) are respectively and oppositely arranged at two ends of the machine tool, the machining part (2) is arranged on a working platform of the machine tool, the grinding part (3) is arranged on a base (31) of the machine tool, the machining part (2) comprises 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 machined, the spindle box (22) is arranged on the working platform of the machine tool, the spindle box (22) is arranged on the spindle seat (21), the gear clamp (24) is arranged on a spindle of the spindle box (22), an included angle α is formed between a spindle axis (23) and a bus (4) of the machine tool, the included angle α is equal to 0.5 times of the conical degree of the gear (1) to be machined, the grinding part (3) comprises a connecting plate (32), a conical surface base (33) and a grinding wheel assembly (34), the grinding wheel assembly (34) is arranged on the spindle base (31) of the grinding machine tool, and the grinding wheel base (31) is arranged on the spindle head base (31).

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 conical 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 bus (4), and the included angle β is 15-20 °.