CN216657213U

CN216657213U - Hydraulic positioning clamp for gearbox shell-separating process machining

Info

Publication number: CN216657213U
Application number: CN202123208911.8U
Authority: CN
Inventors: 叶强; 刘琰; 董文波
Original assignee: Shiyan Hejun Industrial Co ltd
Current assignee: Shiyan Hejun Industrial Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-03
Anticipated expiration: 2031-12-20

Abstract

A hydraulic positioning clamp for gearbox shell-separating process machining comprises a four-shaft bottom plate, wherein a through groove is formed in the middle of the four-shaft bottom plate, a tail plate and a rotating table plate are respectively and vertically arranged at the left end and the right end of the four-shaft bottom plate, an oil way distributor is arranged on the outer side of the rotating table plate, a first supporting block is arranged at the left end of the top of the four-shaft bottom plate, two second supporting blocks are symmetrically arranged at the two sides of the right end of the top of the four-shaft bottom plate, a first clamping cylinder for matching clamping is uniformly and correspondingly arranged at the first supporting block and the second supporting block of the four-shaft bottom plate, two floating supporting cylinders are symmetrically arranged at the two sides of the left end of the top of the four-shaft bottom plate, a first oil way and a second oil way which are respectively communicated with the oil way distributor are arranged in the four-shaft bottom plate, the first oil way is communicated with the first clamping cylinder, the second oil way is communicated with the floating supporting cylinders, the outer edge of a gearbox shell is clamped, so that the accurate positioning and the clamping mode without clamping deformation of the product is realized, the front surface and the back surface of the gearbox shell are simultaneously processed by one-time clamping, so that the requirement on the gearbox shell-separating processing precision is met.

Description

Hydraulic positioning clamp for gearbox shell-separating process machining

Technical Field

The utility model relates to the field of gearbox shell separation processing, in particular to a hydraulic positioning clamp for gearbox shell separation process processing.

Background

The gearbox release shell is a part connected between the front of the gearbox and an engine cylinder body, the inner space of the gearbox release shell is used for installing a clutch, the gearbox release shell is an important part of a power part of a commercial vehicle, the product quality directly influences the power performance, most manufacturers on the market generally adopt a processing mode of split clamping when processing the front side and the back side of the gearbox release shell, but processing errors are easily generated by split clamping, and meanwhile, the gearbox release shell is a thin-wall part, the processing deformation and other conditions are easily caused by the common clamping mode.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a hydraulic positioning fixture for gearbox shell-removing process machining, which aims to solve the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hydraulic positioning anchor clamps for gearbox off-shell process processing, includes the four-axis bottom plate, be equipped with logical groove in the middle of the four-axis bottom plate, both ends are vertical tailboard and the revolving stage board of being equipped with respectively about the four-axis bottom plate, the revolving stage board outside is equipped with the oil circuit distributor, four-axis bottom plate top left end is equipped with first supporting shoe, four-axis bottom plate top right-hand member bilateral symmetry is equipped with two second supporting shoes, the four-axis bottom plate is equipped with the first tight jar that presss from both sides that is used for the cooperation clamping in first supporting shoe and the equal correspondence of second supporting shoe department, four-axis bottom plate top left end both sides still symmetry are equipped with two unsteady supporting cylinders, be equipped with first oil circuit and the second oil circuit of respectively with the switch-on of oil circuit distributor in the four-axis bottom plate, first oil circuit and the switch-on of first tight jar, the second oil circuit and unsteady supporting cylinder switch-on.

Preferably, the top of the second supporting block is provided with a positioning hole.

Preferably, the four-axis bottom plate is provided with second clamping cylinders which are matched and clamped in a one-to-one correspondence mode at the floating support cylinder, and the second clamping cylinders are communicated with the first oil way.

Preferably, the four-shaft bottom plate, the tail plate and the rotating table plate are all made of steel.

Preferably, the four-shaft bottom plate, the tail plate and the surface of the rotating table plate are provided with oxide films.

(III) advantageous effects

The utility model has the beneficial effects that: carry out the centre gripping through each parts cooperation to the gearbox from the shell outer edge, realize the accurate positioning of product and do not have the clamping mode that presss from both sides tight deformation, and through leading to groove and four-axis anchor clamps cooperation can a clamping simultaneous processing gearbox from the positive and negative two sides of shell, avoid dividing twice clamping to produce machining error, in order to satisfy the gearbox flatness from the shell, pinhole position degree, the plane degree of reference surface, hang down straightness and requirement such as degree of beating, guarantee accurate position between appearance profile and the processing hole, clamping speed improves by a wide margin simultaneously, clamping key operation, reduce personnel intensity of labour, make things convenient for the frock to maintain.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a first schematic view of the present invention;

FIG. 2 is a second schematic view of the present invention;

FIG. 3 shows an enlarged view at A in FIG. 2;

FIG. 4 is a cross-sectional view of the clamping cylinder of the present invention;

FIG. 5 is a cross-sectional view of the floating support cylinder of the present invention;

in the figure: the device comprises a four-shaft bottom plate 1, a through groove 11, a tail plate 12, a rotating table 13, an oil way distributor 2, a first supporting block 31, a second supporting block 32, a positioning hole 320, a first clamping cylinder 41, a second clamping cylinder 42, a floating supporting cylinder 5 and a gearbox shell.

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.

Referring to the attached drawings 1-5, the hydraulic positioning fixture for gearbox shell-removing process machining comprises a four-axis base plate 1, a through groove 11 is formed in the middle of the four-axis base plate 1, a tail plate 12 and a rotating table plate 13 are vertically arranged at the left end and the right end of the four-axis base plate 1 respectively, an oil way distributor 2 is arranged on the outer side of the rotating table plate 13, a first supporting block 31 is arranged at the left end of the top of the four-axis base plate 1, two second supporting blocks 32 are symmetrically arranged at the two sides of the right end of the top of the four-axis base plate 1, a first clamping cylinder 41 for matched clamping is uniformly and correspondingly arranged at the first supporting block 31 and the second supporting block 32 of the four-axis base plate 1, two floating supporting cylinders 5 are further symmetrically arranged at the two sides of the left end of the top of the four-axis base plate 1, a first oil way and a second oil way which are communicated with the oil way distributor 2 are arranged in the four-axis base plate 1, the first oil way is communicated with the first clamping cylinder 41, and the second oil way is communicated with the floating supporting cylinders 5.

Further, a positioning hole 320 is formed at the top of the second supporting block 32.

Further, the four-axis bottom plate 1 is provided with second clamping cylinders 42 which are clamped in a matched manner in a one-to-one correspondence mode at the floating support cylinders 5, and the second clamping cylinders 42 are communicated with the first oil way.

Specifically, the four-axis bottom plate 1 can be arranged on a four-axis clamp through a tail plate 12 and a rotating table plate 13 for processing, the four-axis clamp controls the four-axis bottom plate 1 to turn over so as to synchronously process the front side and the back side of a gearbox shell a clamped on the four-axis bottom plate 1, and processing errors caused by multiple clamping are avoided; one end of the oil way distributor 2 is respectively communicated with a first oil way and a second oil way through a rotating table plate 13, the other end of the oil way distributor 2 is communicated with a hydraulic station electromagnetic valve through an oil pipe for controlling use, and the hydraulic station electromagnetic valve is integrated with a time delay switch; the tail plate 12 and the rotating table plate 13 are both L-shaped and are clamped with the four-axis bottom plate 1 through bent ends, and the surface flatness of the joint is less than or equal to 0.03 mm; the hardness of the first supporting block 31 and the hardness of the second supporting block 32 are both 55-60hrc, the height error is less than or equal to 0.05mm, and the first supporting block 31, the second supporting block 32, the first clamping cylinder 41, the second clamping cylinder 42 and the floating supporting cylinder 5 are all tightly installed at the top of the four-axis bottom plate 1 through screws; the outer edge of the gearbox shell a is provided with a through hole corresponding to the positioning hole 320 so as to be conveniently installed in a matching way; the first clamping cylinder 41, the second clamping cylinder 42 and the floating support cylinder 5 are standard parts, and are not described in the embodiment of the present invention.

To sum up, before machining, the gearbox release shell a is horizontally placed in the through groove 11, the outer edge of the gearbox release shell a abuts against the top surfaces of the first supporting block 31 and the two second supporting blocks 32 respectively, a through hole in the outer edge of the gearbox release shell a is aligned with the positioning hole 320, a positioning pin penetrates through the through hole and then is inserted into the positioning hole 320, the gearbox release shell a is limited, the mounting stability and the machining point accuracy of the gearbox release shell a are improved, then oil is fed into the first oil path by operating the hydraulic station electromagnetic valve, the output end of the first clamping cylinder 41 and the output end of the second clamping cylinder 42 are pressed down to abut against the top surface of the outer edge of the gearbox release shell a under the control of oil pressure, the outer edge of the gearbox release shell a is clamped by matching with the corresponding first supporting block 31 and the corresponding second supporting block 32, the hydraulic station electromagnetic valve delays the operation of the switch after feeding oil into the first oil path for two seconds, the hydraulic station electromagnetic valve feeds oil into the second oil path, at the moment, the output end of the floating support cylinder 5 is pressurized to be lifted and is matched with the output end of the corresponding second clamping cylinder 42, the outer edge end corresponding to the gearbox release shell a is subjected to pressure maintaining clamping, the stability and the precision of the gearbox release shell a installation are further improved, and clamping is finished; after the processing is finished, recovering the hydraulic oil in the first oil path and the second oil path through the electromagnetic valve of the hydraulic station, resetting and loosening the output end of the first clamping cylinder 41 and the output end of the second clamping cylinder 42, synchronously dropping the output end of the floating support cylinder 5, and finishing the processing of the gearbox off-shell a; carry out the centre gripping through each parts cooperation to gearbox shell a outer edge, realize the accurate positioning of product and the clamping mode that does not have the tight deformation of clamp, and through leading to groove 11 and the cooperation of four-axis anchor clamps can a clamping simultaneous processing gearbox shell a tow sides, avoid dividing twice clamping and produce machining error, in order to satisfy gearbox shell a's plane degree, pinhole position degree, the plane degree of reference surface, hang down straightness and requirement such as degree of beating, guarantee accurate position between appearance profile and the processing hole, clamping speed improves by a wide margin simultaneously, clamping key operation, reduce personnel intensity of labour, make things convenient for the frock to maintain.

Further, the four-shaft bottom plate 1, the tail plate 12 and the rotating table plate 13 are all made of 45 steel, and the 45 steel has high strength and deformation resistance, so that fixed surface parameters can be maintained conveniently, and the machining precision of the gearbox off-shell a is ensured.

Furthermore, oxide films are arranged on the surfaces of the four-axis base plate 1, the tail plate 12 and the rotating table plate 13, and the surfaces of the four-axis base plate 1, the tail plate 12 and the rotating table plate 13 are blued through a process so as to generate a stable and compact oxide film layer firmly combined with a base body on the surfaces, so that the surfaces of the four-axis base plate 1, the tail plate 12 and the rotating table plate 13 are effectively prevented from being corroded and rusted, the surface wear resistance is improved, and the service life is prolonged.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, so that the scope of the present application is not to be construed as being limited.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic positioning anchor clamps that is used for gearbox to leave shell process to process which characterized in that includes: the four-axis bottom plate (1), a through groove (11) is arranged in the middle of the four-axis bottom plate (1), a tail plate (12) and a rotating table plate (13) are respectively vertically arranged at the left end and the right end of the four-axis bottom plate (1), an oil way distributor (2) is arranged on the outer side of the rotating table plate (13), a first supporting block (31) is arranged at the left end of the top of the four-axis bottom plate (1), two second supporting blocks (32) are symmetrically arranged at the two sides of the right end of the top of the four-axis bottom plate (1), a first clamping cylinder (41) used for matching and clamping is uniformly and correspondingly arranged at the first supporting block (31) and the second supporting block (32) of the four-axis bottom plate (1), two floating supporting cylinders (5) are further symmetrically arranged at the two sides of the left end of the top of the four-axis bottom plate (1), a first oil way and a second oil way which are respectively communicated with the oil way distributor (2) are arranged in the four-axis bottom plate (1), and the first oil way is communicated with the first clamping cylinder (41), the second oil path is communicated with the floating support cylinder (5).

2. The hydraulic positioning fixture for gearbox shell-removing process machining according to claim 1, characterized in that a positioning hole (320) is formed at the top of the second supporting block (32).

3. The hydraulic positioning clamp for gearbox shell-removing process machining according to claim 1, characterized in that the four-shaft bottom plate (1) is provided with second clamping cylinders (42) which are matched and clamped in a one-to-one correspondence manner at the floating support cylinder (5), and the second clamping cylinders (42) are communicated with the first oil path.

4. The hydraulic positioning clamp for gearbox shell-removing process machining according to claim 1, characterized in that the four-shaft bottom plate (1), the tail plate (12) and the turntable plate (13) are all 45 steel.

5. The hydraulic positioning fixture for gearbox shell-removing process machining according to claim 1, characterized in that the four-shaft bottom plate (1), the tail plate (12) and the turntable plate (13) have oxide films on the surfaces.