Positioning tool for gear box end cover machining

Abstract

The utility model relates to the technical field of gearbox production, in particular to a positioning tool for machining an end cover of a gearbox, which is reasonable in structural design and mainly comprises a platform, a movable seat, a driven swivel, a driving gear, a pivotal bearing, a driven turntable and a self-adaptive clamping jaw component. On one hand, the driving gear can drive the driven rotating ring and the movable seat to rotate, so that the movable seat drives the driven rotating disc to rotate through the pivotal bearing, then the self-adaptive clamping jaw assembly is driven to clamp the gear box end cover, then the gear box end cover can horizontally rotate according to requirements, and the multi-direction machining requirement is met; and on the other hand, a plurality of clamping jaw rods capable of adaptively adjusting the position according to the shape of the gear box end cover are arranged in the self-adaptive clamping jaw assembly, and the requirement for reliably clamping the gear box end covers with different shapes is met.

Description

Technical Field

[0001] The utility model relates to the technical field of gear box production, in particular to a positioning tool for processing a gear box end cover. Background Art

[0002] The gearbox end cover plays an important role in the gearbox. Its main functions include: 1) Sealing protection: The main function of the end cover is to seal the gearbox to prevent dust, dirt and other external impurities from invading the moving parts, thereby protecting the internal parts of the gearbox from the influence of external substances. 2) Cooling effect: Some specially designed gearbox end covers can improve the cooling effect of high-temperature gases while ensuring structural strength, which helps to maintain the normal working temperature of the gearbox and extend its service life. 3) Support and fixation: The end cover also provides support and fixation for key components such as gears, shafts and bearings to ensure that they can operate stably and reliably during operation. 4) Lubrication: When the gearbox is working, the end cover also helps to maintain the distribution of lubricating oil, ensure that the gears and bearings are fully lubricated, and reduce wear and friction. 5) Maintenance and overhaul: The design of the end cover also takes into account the convenience of maintenance and overhaul of the gearbox, so that it can be easily disassembled and installed when necessary, and it is convenient to inspect, clean and repair the inside of the gearbox.

[0003] The gearbox end cover needs to be clamped and positioned by a positioning tool during the processing. The traditional positioning tool for gearbox end cover processing has shortcomings when used. First, it cannot reliably clamp gearbox end covers of different shapes; second, it cannot drive the gearbox end cover to rotate horizontally according to demand after clamping. Therefore, it is necessary to optimize and improve the traditional positioning tool for gearbox end cover processing. Utility Model Content

[0004] The purpose of the utility model is to overcome the above problems existing in the traditional technology and provide a positioning tool for processing a gear box end cover.

[0005] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0006] A positioning tool for machining a gearbox end cover, comprising a platform, a movable seat, a driven rotating ring, a driving gear, a slewing bearing, a driven rotating disk and an adaptive clamping jaw assembly, wherein the movable seat is restricted in movement in the platform, a driven rotating ring is fixed on the outer side of the movable seat, a driving gear matched with the driven rotating ring is installed in the platform, a cylindrical inner cavity is provided inside the movable seat, a slewing bearing is fixedly installed on the bottom surface of the cylindrical inner cavity, the slewing bearing comprises an outer ring body as a fixed ring part and an inner ring body as a moving ring part, a driven rotating disk is fixed on the upper side of the inner ring body, a plurality of arc-shaped slide grooves are opened on the upper side of the driven rotating disk along the circumferential direction, a plurality of radial slide grooves are opened on the upper plate of the movable seat along the circumferential direction, and an adaptive clamping jaw assembly is installed in the arc-shaped slide grooves and the radial slide grooves;

[0007] The adaptive clamping jaw assembly includes a clamping jaw seat, a sliding rod and a sliding head. The lower side of the clamping jaw seat is connected to the sliding head via the sliding rod. The sliding rod is slidingly restricted in the radial sliding groove. The sliding head is slidingly restricted in the arc-shaped sliding groove. At least two rows of storage grooves distributed in parallel are provided in the clamping jaw seat. A sliding block is slidingly restricted in the storage groove. The inner end of the sliding block is connected to a compression spring. The outer end of the sliding block is connected to a pressure head via a clamping jaw rod that passes through the clamping jaw seat.

[0008] Furthermore, in the positioning tool for machining the gearbox end cover, a movable cavity is provided in the platform to facilitate the rotation of the movable seat and the driven rotating ring, and an exposure opening matching the outer diameter of the movable seat is provided on the upper side of the platform.

[0009] Furthermore, in the positioning tool for machining the gear box end cover, a tooth groove that meshes with the driving gear is provided on the outer side of the driven rotating ring along the circumferential direction.

[0010] Furthermore, in the positioning tool for machining the gear box end cover, the diameter of the slide rod is equal to the groove width of the radial slide groove, and the diameter of the slide head is equal to the groove width of the arc-shaped slide groove.

[0011] Furthermore, in the positioning tool for machining the gear box end cover, a clamping jaw through-hole is provided in the clamping jaw seat for the clamping jaw rod to pass through, and the cross-sectional specification size of the clamping jaw through-hole is smaller than the cross-sectional specification size of the storage groove.

[0012] Furthermore, in the positioning tool for machining the gear box end cover, the pressure head is made of a rubber material that prevents crushing.

[0013] The beneficial effects of the utility model are:

[0014] The utility model has a reasonable structural design, which is mainly composed of a platform, a movable seat, a driven swivel, a driving gear, a slewing bearing, a driven turntable and an adaptive clamping jaw assembly. On the one hand, the driving gear can drive the driven swivel ring and the movable seat to rotate, so that the movable seat drives the driven turntable to rotate by the slewing bearing, and then drives the adaptive clamping jaw assembly to clamp the gear box end cover and then perform horizontal rotation according to demand, thereby meeting multi-directional processing requirements; on the other hand, the adaptive clamping jaw assembly is provided with a plurality of clamping jaw rods that can adaptively adjust the position according to the shape of the gear box end cover, thereby meeting the demand for reliable clamping of gear box end covers with different shapes.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the above advantages at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the movable seat and the driven rotating ring in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the inner slewing bearing in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the driven rotating disk in the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of the adaptive clamping jaw assembly in the utility model when viewed from above;

[0022] Figure 6 It is a schematic diagram of the main structure of the adaptive clamping jaw assembly in the utility model;

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1- platform, 2- movable seat, 3- driven swivel, 4- driving gear, 5- adaptive clamping jaw assembly, 501- clamping jaw seat, 502- sliding rod, 503- sliding head, 504- storage groove, 505- sliding block, 506- compression spring, 507- clamping jaw rod, 508- pressing head, 6- radial slide groove, 7- slewing bearing, 8- driven turntable, 9- arc slide groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 6 As shown, this embodiment provides a positioning tool for processing a gearbox end cover, including a platform 1, a movable seat 2, a driven rotating ring 3, a driving gear 4, a slewing bearing 7, a driven rotating disk 8 and an adaptive clamping jaw assembly 5. The movable seat 2 is restricted in the platform 1, and the driven rotating ring 3 is fixed on the outer side of the movable seat 2. The driving gear 4 that cooperates with the driven rotating ring 3 is installed in the platform 1. A cylindrical inner cavity is provided inside the movable seat 2, and a slewing bearing 7 is fixedly installed on the bottom surface of the cylindrical inner cavity. The slewing bearing 7 includes an outer ring body as a fixed ring part and an inner ring body as a moving ring part. A driven rotating disk 8 is fixed on the upper side of the inner ring body. A plurality of arc-shaped slide grooves 9 are opened on the upper side of the driven rotating disk 8 along the circumferential direction. A plurality of radial slide grooves 6 are opened on the upper plate of the movable seat 2 along the circumferential direction. The adaptive clamping jaw assembly 5 is installed in the arc-shaped slide grooves 9 and the radial slide grooves 6.

[0027] In this embodiment, a movable cavity is provided in the platform 1 to facilitate the rotation of the movable seat 2 and the driven rotating ring 3 , and an exposure opening matching the outer diameter of the movable seat 2 is provided on the upper side of the platform 1 .

[0028] In this embodiment, a tooth groove meshing with the driving gear 4 is formed on the outer side of the driven rotating ring 3 along the circumferential direction.

[0029] In this embodiment, the adaptive clamping jaw assembly 5 includes a clamping jaw seat 501, a sliding rod 502 and a sliding head 503. The lower side of the clamping jaw seat 501 is connected to the sliding head 503 via the sliding rod 502. The sliding rod 502 is slidingly restricted in the radial sliding groove 6, and the sliding head 503 is slidingly restricted in the arc sliding groove 9. At least two rows of parallel storage grooves 504 are provided in the clamping jaw seat 501. A sliding block 505 is slidingly restricted in the storage groove 504. The inner end of the sliding block 505 is connected to a compression spring 506, and the outer end of the sliding block 505 is connected to a pressure head 508 via a clamping jaw rod 507 that passes through the clamping jaw seat 501.

[0030] In this embodiment, the diameter of the sliding rod 502 is equal to the groove width of the radial sliding groove 6, and the diameter of the sliding head 503 is equal to the groove width of the arc-shaped sliding groove.

[0031] In this embodiment, a clamping jaw through hole is provided in the clamping jaw seat 501 for the clamping jaw rod 507 to pass through, and the cross-sectional specification size of the clamping jaw through hole is smaller than the cross-sectional specification size of the receiving groove 504 .

[0032] In this embodiment, the pressure head 508 is made of a rubber material that prevents crushing.

[0033] A specific application of this embodiment is: this positioning tool is mainly composed of a platform 1, a movable seat 2, a driven swivel ring 3, a driving gear 4, a slewing bearing 7, a driven turntable 8 and an adaptive clamping jaw assembly 5. On the one hand, the driving gear 4 can drive the driven swivel ring 3 and the movable seat 2 to rotate, so that the movable seat 2 drives the driven turntable 8 to rotate by using the slewing bearing 7, and then drives the adaptive clamping jaw assembly 5 to clamp the gear box end cover and then perform horizontal rotation according to demand, thereby meeting multi-directional processing requirements; on the other hand, the adaptive clamping jaw assembly 5 is provided with a plurality of clamping jaw rods that can adaptively adjust the position according to the shape of the gear box end cover, thereby meeting the demand for reliable clamping of gear box end covers with different shapes.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A positioning tool for machining a gear box end cover, characterized in that: It includes a platform, a movable seat, a driven rotating ring, a driving gear, a slewing bearing, a driven rotating disk and an adaptive clamping jaw assembly, wherein the movable seat is limited in movement in the platform, a driven rotating ring is fixed on the outer side of the movable seat, a driving gear matched with the driven rotating ring is installed in the platform, a cylindrical inner cavity is provided inside the movable seat, a slewing bearing is fixedly installed on the bottom surface of the cylindrical inner cavity, the slewing bearing includes an outer ring body as a fixed ring part and an inner ring body as a moving ring part, a driven rotating disk is fixed on the upper side of the inner ring body, a plurality of arc-shaped sliding grooves are opened on the upper side of the driven rotating disk along the circumferential direction, a plurality of radial sliding grooves are opened on the upper plate of the movable seat along the circumferential direction, and an adaptive clamping jaw assembly is installed in the arc-shaped sliding grooves and the radial sliding grooves; The adaptive clamping jaw assembly includes a clamping jaw seat, a sliding rod and a sliding head. The lower side of the clamping jaw seat is connected to the sliding head via the sliding rod. The sliding rod is slidingly restricted in the radial sliding groove. The sliding head is slidingly restricted in the arc-shaped sliding groove. At least two rows of storage grooves distributed in parallel are provided in the clamping jaw seat. A sliding block is slidingly restricted in the storage groove. The inner end of the sliding block is connected to a compression spring. The outer end of the sliding block is connected to a pressure head via a clamping jaw rod that passes through the clamping jaw seat.

2. The positioning tool for processing the gear box end cover according to claim 1 is characterized in that: The platform is provided with a movable cavity for facilitating the rotation of the movable seat and the driven rotating ring, and the upper side of the platform is provided with an exposure opening matched with the outer diameter of the movable seat.

3. The positioning tool for processing the gear box end cover according to claim 2 is characterized in that: The outer side of the driven rotating ring is provided with tooth grooves meshing with the driving gear along the circumferential direction.

4. The positioning tool for machining the gear box end cover according to claim 3, characterized in that: The diameter of the slide rod is equal to the groove width of the radial slide groove, and the diameter of the slide head is equal to the groove width of the arc-shaped slide groove.

5. The positioning tool for machining the gear box end cover according to claim 4, characterized in that: The clamping jaw seat is provided with a clamping jaw through hole for the clamping jaw rod to pass through, and the cross-sectional specification size of the clamping jaw through hole is smaller than the cross-sectional specification size of the storage groove.

6. The positioning tool for machining the gear box end cover according to claim 5, characterized in that: The pressure head is made of a rubber material that prevents crushing.

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