CN215966734U

CN215966734U - Planetary gear adds clamping apparatus

Info

Publication number: CN215966734U
Application number: CN202121961152.XU
Authority: CN
Inventors: 刘少波; 闫彦海; 袁解放; 袁飞桥; 刘振伟
Original assignee: Shaanxi French Walker Gear Co ltd
Current assignee: Shaanxi French Walker Gear Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-03-08
Anticipated expiration: 2031-08-20

Abstract

The utility model relates to the technical field of planetary gear machining, in particular to a planetary gear machining clamp. The planetary gear machining clamp specifically comprises a clamping part and a fixing part. Wherein, press from both sides dress portion and include the supporting seat, the supporting seat sets up a cavity passageway, and the passageway is inside to be set up the axis body, and the upper end and the gland of axis body are connected, and are provided with the work piece between gland and the supporting seat. The fixing part comprises a base, the clamping part is installed on the base, a pull rod is installed in the middle of the base, and the lower end of the mandrel body is connected to the lower end of the pull rod. The outer contour of the mandrel body is in a spline shape, and the inner contour of the workpiece is in a shape matched with the spline shape. The planetary gear machining clamp provided by the utility model ensures the machining standard and precision of the planetary gear, and saves the machining process and the machining cost.

Description

Planetary gear adds clamping apparatus

Technical Field

The utility model relates to the technical field of planetary gear machining, in particular to a planetary gear machining clamp.

Background

When the planetary gear is manufactured, a tool clamp is used for manufacturing the planetary gear with higher precision and more accurate size. In the prior art, the machining cost is high due to the fact that the process is complex when the planetary gear is machined and the machining precision is low, and the requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

The application discloses planetary gear adds clamping apparatus uses this planetary gear adds clamping apparatus can guarantee planetary gear's processing benchmark and precision, has saved manufacturing procedure and processing cost moreover.

The application discloses planetary gear adds clamping apparatus includes:

the clamping part comprises a supporting seat, the supporting seat is provided with a hollow channel, a mandrel body is arranged in the channel, the upper end of the mandrel body is connected with a gland, and a workpiece is arranged between the gland and the supporting seat;

the fixing part comprises a base, the clamping part is arranged on the base, a pull rod is arranged in the middle of the base, and the lower end of the mandrel body is connected with the lower end of the pull rod;

the outer contour of the mandrel body is in a spline shape, the inner contour of the workpiece is in a shape matched with the spline shape, and the workpiece is sleeved on the mandrel body.

Further, the clamping part further comprises a supporting rod, the supporting rod is arranged on the side wall of the supporting seat, the upper end of the supporting rod is abutted to the workpiece, and the lower end of the supporting rod is abutted to the pull rod.

Further, the clamping part further comprises a supporting block, the supporting block is arranged between the pull rod and the mandrel body, the lower end of the mandrel body abuts against the upper end of the supporting block, and the lower end of the supporting block is conical and abuts against the upper portion of the pull rod.

Furthermore, the fixing part further comprises a fastener, a hole is formed in the side wall of the base, and the fastener is arranged in the hole and abutted against the side wall of the pull rod.

Furthermore, a locking piece is arranged at one end, close to the supporting block, of the mandrel body and used for locking the mandrel body and the supporting block.

Further, the clamping part is connected with the fixing part through a screw.

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

the planetary gear machining clamp can ensure the machining standard and the machining precision of the planetary gear, and can reduce machining procedures and cost input. Specifically, in the present invention, the planetary gear machining jig includes a clamping portion and a fixing portion, and an upper end of a spindle body provided in a hollow passage in a support base of the clamping portion is connected to a gland. The clamping part is arranged on the base, and the pull rod arranged in the middle of the base can enable the workbench to pull the pull rod to move downwards, so that the mandrel body is pulled to move downwards. The key point is that in the utility model, because the outer contour of the mandrel body is in a spline shape, the inner contour size of the workpiece is matched with the spline shape, and because the workpiece is sleeved on the mandrel body, when the planetary gear is processed, the key side of the inner spline can be utilized for positioning, the processing reference of hobbing and grinding of the outer teeth is ensured to be consistent, and the requirement of a phase angle is ensured. In addition, the planet gear machining clamp has a simple structure, and the processes for machining the planet gear are few, so the aim of saving the machining cost can be fulfilled.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic sectional structure view of a planetary gear machining jig in an embodiment of the present application.

Reference numerals:

1-a clamping part, 11-a supporting seat, 12-a mandrel body, 13-a gland, 14-a supporting rod, 15-a supporting block and 16-a locking piece;

2-fixed part, 21-base, 22-pull rod, 23-fastener and 24-screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

The technical solution of the present application will be further described with reference to the following embodiments and accompanying drawings.

The embodiment of the application discloses planetary gear adds clamping apparatus, this planetary gear adds clamping apparatus includes:

the clamping part 1 comprises a supporting seat 11, the supporting seat 11 is provided with a hollow channel, a mandrel body 12 is arranged in the channel, the upper end of the mandrel body 12 is connected with a gland 13, and a workpiece is arranged between the gland 13 and the supporting seat 11;

the fixing part 2, the fixing part 2 includes the base 21, the clamping part 1 is installed on base 21, and the middle part of the base 21 is installed with the tie rod 22, the lower end of the mandrel body 12 is connected to the lower end of the tie rod 22;

the outer contour of the mandrel body 12 is spline-shaped, the inner contour of the workpiece is matched with the spline shape, and the workpiece is sleeved on the mandrel body 12.

Referring to fig. 1, fig. 1 is a cross-sectional view of a planetary gear machining jig according to an embodiment of the present application. In fig. 1, the upper half is a clamping portion 1, and the lower half is a fixing portion 2. The clip portion 1 is mounted on the base 21 of the lower half as a whole. The main body of the clamping part 1 is a supporting seat 11, and a vertical hollow channel is arranged in the middle of the supporting seat 11. It can be seen that a spindle body 12 is provided inside the hollow passage, the upper end of the spindle body 12 being pressed by a pressing cover 13. It can be seen that the workpiece to be machined is clamped between the gland 13 and the support seat 11, so that the stability of the workpiece during machining is ensured, and the position is less prone to moving.

When machining a planetary gear, the base 21 and the tie bar 22 of the fixed part 2 are connected to the table of the machine tool and the tie bar 22 of the table, respectively. It should be noted that in the present embodiment, the outer profile of the spindle body 12 is spline-shaped, and the inner profile of the workpiece is also spline-shaped and matches the size of the outer profile of the spindle body 12. Therefore, when the planetary gear is machined, the spline side of the spline can be used for positioning, and the machining precision and the machining standard of the planetary gear are guaranteed.

The planetary gear machining clamp in the embodiment of the application can guarantee the machining standard and the machining precision of the planetary gear, and can reduce machining procedures and cost input. Specifically, in the present embodiment, the planetary gear machining jig includes the clamping portion 1 and the fixing portion 2, and the upper end of the spindle body 12 provided in the hollow passage in the support base 11 of the clamping portion 1 is connected to the pressing cover 13. The clamping part 1 is installed on the base 21, and the pull rod 22 arranged in the middle of the base 21 can make the workbench pull the pull rod 22 to move downwards, so that the spindle body 12 is pulled to move downwards. The key is that, in this application embodiment, because the outline of mandrel body 12 is the spline shape, the inner contour dimension of work piece and spline shape phase-match, and because this work piece cover is established on mandrel body 12 for when processing planetary gear, can utilize internal spline key side location, guarantee that the gear hobbing of external tooth, the processing benchmark of gear grinding are unanimous, thereby guarantee the requirement of phase angle. In addition, because the planet gear machining clamp in the embodiment of the application has a simple structure, and the processes are few when the planet gear is machined, the aim of saving the machining cost can be achieved.

In the embodiment of the present application, in order to make the position of the workpiece less likely to move, the clamping portion 1 further includes the support rod 14, the support rod 14 is disposed on the side wall of the support base 11, the upper end of the support rod 14 abuts against the workpiece, and the lower end of the support rod 14 abuts against the pull rod 22.

With continued reference to fig. 1, it can be seen that the support rods 14 are disposed on the side walls of the support base 11, the upper ends of the support rods 14 abut against the workpiece, and the lower ends thereof abut against the pull rods 22. When the planetary gear machining clamp works, when the pull rod 22 is pulled down through a machine tool oil cylinder, the support rod 14 sinks to drive a workpiece to sink into the spindle body 12. Due to the arrangement of the supporting rod 14, the position of the workpiece is not easy to move, and the consistency of the processing reference can be ensured.

In the present embodiment, the distance between the spindle body 12 and the pull rod 22 is too long to prevent the workpiece from swinging. The clamping part 1 further comprises a supporting block 15, the supporting block 15 is arranged between the pull rod 22 and the mandrel body 12, the mandrel body 12 abuts against the upper end of the supporting block 15, and the lower end of the supporting block 15 is conical and abuts against the upper side of the pull rod 22 in a conical shape.

Referring to fig. 1, an accommodating cavity is formed in the lower half portion of the supporting seat 11, the supporting block 15 is disposed in the accommodating cavity, and the lower end of the supporting block 15 is tapered and abuts against the pull rod 22, such tapered arrangement makes the supporting block 15 more smoothly inserted into the pull rod 22, and also ensures that the lower end of the supporting block 15 is attached above the pull rod 22, which is more stable during operation. The upper end of the support block 15 abuts against the spindle body 12. It can be seen that the pit is arranged on the upper surface of the mandrel body 12, the lower end of the mandrel body 12 is arranged in the pit, and the stability of a workpiece during working is also guaranteed due to the arrangement of the structure.

Furthermore, in order to connect the pull rod 22 and the support base 11 into a whole, the fixing portion 2 further includes a fastening member 23, and a hole is formed in the sidewall of the base 21, and the fastening member 23 is disposed in the hole and abuts against the sidewall of the pull rod 22. With continued reference to fig. 1, it can be seen that a hole is formed on the right side of the base 21 of fig. 1, and the fastener 23 in the present embodiment is inserted through the hole and abutted against the sidewall of the pull rod 22. In this way, the base 21 and the pull rod 22 are tightly connected into a whole. In addition, the support seat 11 is installed on the base 21, so that the connection between the base 21 and the pull rod 22 and the spindle body 12 is firmer, and the stability of the whole structure is improved. It should be noted that, in the embodiment of the present application, the fastener 23 may be a socket head cap screw, and may also be another type of screw, which is not specifically limited herein.

In the embodiment of the present application, the stability of the entire structure is improved. One end of the mandrel body 12 close to the supporting block 15 is provided with a locking piece 16, and the locking piece 16 is used for locking the mandrel body 12 and the supporting block 15. Referring to fig. 1, it can be seen that in fig. 1, a locking member 16 is disposed between the mandrel body 12 and the supporting block 15, and the locking member 16 is disposed to make the connection between the mandrel body 12 and the supporting block 15 more firm. It should be noted that, in the embodiment of the present invention, the locking member 16 may be a combination of a hexagonal locking nut and a washer, and may also be other types of locking members 16, which are not limited herein.

In the embodiment of the present application, in order to allow the clip portion 1 to be more stably fixed to the fixing portion 2. The clip portion 1 and the fixing portion 2 are connected by a screw 24. As can be seen in fig. 1, a screw 24 is provided between the clamping part 1 and the fastening part 2, and this screw 24 can be screwed down onto the clamping part 1 from above during mounting, so that the clamping part 1 is fastened to the fastening part 2. It should be noted that the screw 24 in the embodiment of the present application may be a commercially available screw 24, and is not particularly limited herein.

When the planetary gear machining clamp in the embodiment of the application works, the working process of the hobbing is as follows: when the pull rod 22 is pulled down through the machine tool oil cylinder, the supporting rod 14 sinks, after machining is completed, the upper top of the machine tool is loosened, the gland 13 is taken down, the pull rod 22 is tightly reset, the supporting rod 14 jacks up a workpiece, and the workpiece is taken down to complete the production process. The gear grinding working process is similar to the gear hobbing working process. According to the embodiment of the application, the requirement of the phase angle of hobbing and gear grinding is controlled by positioning the spline spindle body 12, and the phase angle after gear grinding can completely meet the requirement. The optimized planetary gear machining clamp can shorten machining time, so that the production cost is reduced.

The planetary gear machining clamp disclosed by the embodiment of the utility model is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the utility model, and the description of the embodiment is only used for helping to understand the planetary gear machining clamp and the core idea of the planetary gear machining clamp; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A planetary gear machining jig, characterized by, the planetary gear machining jig includes:

2. A planetary gear machining jig according to claim 1, wherein the clamping portion further includes a support rod that is provided on a side wall of the support base, and an upper end of the support rod abuts against the workpiece, and a lower end of the support rod abuts against the pull rod.

3. The planetary gear machining jig according to claim 1, wherein the clamping portion further includes a support block, the support block is disposed between the pull rod and the mandrel body, the mandrel body has a lower end abutting against an upper end of the support block, the lower end of the support block is tapered, and the tapered end abuts against an upper side of the pull rod.

4. The planetary gear machining jig according to claim 1, wherein the fixing portion further includes a fastening member, and a hole is formed in a side wall of the base, and the fastening member is disposed in the hole and abuts against a side wall of the tie rod.

5. A planetary gear machining fixture according to claim 3, wherein a retaining member is provided at an end of the spindle body adjacent to the support block, the retaining member being configured to retain the spindle body with the support block.

6. A planetary gear machining jig according to any one of claims 1 to 5, wherein the clamping portion and the fixed portion are connected by a screw.