CN211804804U - Cutting equipment for automobile transmission shell - Google Patents

Abstract

The utility model discloses a cutting equipment for automotive transmission casing belongs to derailleur processing technology field, including the master cylinder, by master cylinder driven push rod and pass through the cutting tool that push rod control removed, cutting tool is by motor drive, and externally installs the protecting crust, the push rod with connect through angle adjustment mechanism between the protecting crust, angle adjustment mechanism includes the universal coupling of compriseing transverse rotation axle and longitudinal rotation axle, first cylinder and second cylinder are installed to the universal coupling, are used for control cutting tool's cutting angle lateral deviation or longitudinal deviation. The universal coupling formed by the transverse rotating shaft and the longitudinal rotating shaft can enable the cutting tool to incline towards any direction, the universal coupling is controlled by the first cylinder and the second cylinder, the cutting direction of the cutting tool is changed when the universal coupling is controlled, and therefore precise cutting of a transmission shell is facilitated.

Description

Cutting equipment for automobile transmission shell

Technical Field

The utility model relates to a derailleur processing technology field, in particular to a cutting equipment for automotive transmission casing.

Background

A vehicle transmission is a set of speed change devices for coordinating the rotation speed of an engine and the actual running speed of wheels, and is used for exerting the optimal performance of the engine. The derailleur can be at the automobile in-process of traveling, produces different gear ratios between engine and wheel, and the change gear of derailleur all integrates inside the gearbox casing, and the casing is earlier through stamping forming when producing, and rethread cutting equipment is with unnecessary leftover bits cutting, polishes at last, can leave factory finally.

Gearbox housing need use cutting device to cut in the cutting, and traditional cutting device generally can only straighten out, only be fit for the linear type cutting, and gearbox housing surface generally has anomalous pitch arc, consequently, the cutting device who straightens out cuts the cambered surface hardly, consequently, the not accurate enough of cutting, and traditional cutting equipment only possesses the cutting function, can't polish the face after the cutting, make the efficiency step-down of gearbox housing processing, and when cutting gearbox housing, cutter unit and casing collision lead to the casing to warp very easily, influence the quality of casing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at just in order to solve above-mentioned gearbox housing's cutting equipment cutting not accurate enough, the function singleness makes machining efficiency step-down and cutter bump the casing easily and lead to the problem that the casing warp to propose a cutting equipment for automobile gearbox housing, have adjustable cutting angle and be applicable to the cutting of irregular face, the cutting is polished integrative and is improved work efficiency, and anticollision in the side avoids gearbox housing's advantage of warping.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a cutting equipment for automotive transmission casing, include the master cylinder, by master cylinder driven push rod and pass through the cutting tool that push rod control removed, cutting tool is by motor drive, and externally installs the protecting crust, the push rod with connect through angle adjustment mechanism between the protecting crust, angle adjustment mechanism includes the universal coupling of constituteing by transverse rotation axle and longitudinal rotation axle, first cylinder and second cylinder are installed to the universal coupling, are used for control cutting tool's cutting angle lateral deviation or longitudinal deviation.

Preferably, the first cylinder rotates and installs on horizontal rotation axis, and the output rotates the outer wall of connecting the protecting crust, the second cylinder rotates and installs at the push rod outer wall, and the output rotates and connects longitudinal axis.

Preferably, the cutting tool comprises a cutting surface and a polishing surface which are both in an annular structure, and the cutting surface surrounds the polishing surface.

Preferably, a plurality of supporting mechanisms are arranged on the outer walls of the two sides of the protective shell and used for preventing the protective shell from colliding with the shell of the transmission.

Preferably, the supporting mechanism comprises a supporting rod connected with the outer wall of the protective shell through a spring, and one end, far away from the protective shell, of the supporting rod is provided with a rubber wheel.

Preferably, a motor shaft of the motor and a rotating shaft of the cutting tool are both provided with driving wheels, and the two driving wheels are in transmission connection through sleeved belts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the universal coupling formed by the transverse rotating shaft and the longitudinal rotating shaft can enable the cutting tool to incline towards any direction, the universal coupling is controlled by the first cylinder and the second cylinder, the cutting direction of the cutting tool is changed when the universal coupling is controlled, and therefore precise cutting of a transmission shell is facilitated.

2. Through set up cutting plane and polished surface on cutting tool, the cutting plane surrounds in the periphery of polished surface for this cutter not only can regard as the cutting to use, but also can polish the deckle edge on derailleur shell surface, makes cutting tool's function abundanter.

3. Through setting up supporting mechanism in the outside of protecting crust, supporting mechanism comprises elastic bracing piece and rubber pulley, can slide when the rubber pulley makes the protecting crust contact derailleur housing, and elastic bracing piece and the common cooperation of rubber pulley can prevent protecting crust and derailleur housing collision moreover, avoid damaging the derailleur housing.

Drawings

Fig. 1 is a schematic view of the overall structure of the device of the present invention.

Fig. 2 is the structural schematic diagram of the angle adjusting mechanism of the present invention.

Fig. 3 is a schematic view of the structure of the cutting tool of the present invention.

Fig. 4 is a schematic structural view of the supporting mechanism of the present invention.

In the figure: 1. the device comprises a main cylinder, 2, a push rod, 3, a protective shell, 4, a cutting tool, 5, an angle adjusting mechanism, 6, a motor, 7, a belt, 8, a transmission wheel, 9, a supporting mechanism, 10, a transverse rotating shaft, 11, a longitudinal rotating shaft, 12, a first cylinder, 13, a second cylinder, 14, a cutting surface, 15, a polishing surface, 16, a rubber wheel, 17, a supporting rod, 18 and a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a cutting apparatus for a transmission housing of an automobile, comprising a main cylinder 1, a push rod 2 driven by the main cylinder 1, and a cutting blade 4 controlled to move by the push rod 2, the cutting blade 4 being driven by a motor 6 and externally mounted with a guard housing 3, the push rod 2 being connected with the guard housing 3 by an angle adjusting mechanism 5, the angle adjusting mechanism 5 comprising a universal coupling composed of a transverse rotation shaft 10 and a longitudinal rotation shaft 11, the universal coupling being mounted with a first cylinder 12 and a second cylinder 13 for controlling a transverse offset or a longitudinal offset of a cutting angle of the cutting blade 4, the main cylinder 1 being used for controlling the entire apparatus to be straight-in and straight-out, the guard housing 3 being used for protecting the cutting blade 4, since the guard housing 3 and the cutting blade 4 are connected by the universal coupling composed of the transverse rotation shaft 10 and the longitudinal rotation shaft 11, universal coupling can incline to arbitrary direction, rethread first cylinder 12 and second cylinder 13 realize universal coupling's inclination changes, thereby make cutting tool 4's cutting angle change, first cylinder 12 rotates and installs on transverse rotation axle 10, and the output rotates the outer wall of connecting protecting crust 3, second cylinder 13 rotates and installs at 2 outer walls of push rod, and the output rotates and connects longitudinal rotation axle 11, first cylinder 12 promotes protecting crust 3 and transverse rotation axle 10 and takes place the relative rotation, make cutting tool 4 can lateral shifting, second cylinder 13 promotes longitudinal rotation axle 11 and takes place the relative rotation with push rod 2, make cutting tool 4 can longitudinal shifting, thereby realize cutting angle's regulation.

The cutting tool 4 comprises a cutting surface 14 and a polishing surface 15 which are both in an annular structure, the cutting surface 14 is surrounded outside the polishing surface 15, the cutting surface 14 is used for cutting the transmission shell on the outer side and is the main function of the cutting tool 4, the polishing surface 15 can polish a cut generated by cutting, so that the cutting opening becomes smooth, the subsequent polishing process is saved, the processing cost of the transmission shell is improved, a plurality of supporting mechanisms 9 are arranged on the outer walls of the two sides of the protective shell 3 and are used for preventing the protective shell 3 from colliding with the transmission shell, each supporting mechanism 9 comprises a supporting rod 17 connected with the outer wall of the protective shell 3 through a spring 18, one end, far away from the protective shell 3, of each supporting rod 17 is provided with a rubber wheel 16, when the protective shell 3 and the cutting tool 4 extend into the transmission shell for cutting, the supporting mechanisms 9 can prevent the protective shell 3 and the transmission shell from colliding to, and rubber wheel 16 is in order to prevent that bracing piece 17 from touching the casing and producing wearing and tearing to the casing, has played the effect of protection derailleur casing, all sets up drive wheel 8 in the motor shaft of motor 6 and the pivot of cutting tool 4, connects through the belt 7 transmission that cup joints between two drive wheels 8, and motor 6 and belt 7 that the transmission used all set up in the inside of protecting crust 3, are protected by protecting crust 3 together with cutting tool 4, improve the life of device.

The utility model discloses a theory of operation: when the gearbox housing is machined, firstly, the gearbox housing is fixed through a clamp, then the whole cutting tool 4 is pushed to advance by the main cylinder 1, the part needing to be cut is cut, the main cylinder 1 is only responsible for straight-in and straight-out cutting of the cutting tool 4, when the irregular cutting is needed, the main cylinder is matched with the first cylinder 12 and the second cylinder 13 for use, the cutting angle of the cutting tool 4 is continuously changed, the irregular cutting is realized, the cut can be polished through the polishing surface 15 of the cutting tool 4 after each cutting, and the cutting is smooth and attractive.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A cutting device for a motor vehicle gearbox casing, comprising a master cylinder (1), a push rod (2) driven by the master cylinder (1) and a cutting tool (4) controlled in movement by the push rod (2), characterized in that: the cutting tool (4) is driven by a motor (6), a protective shell (3) is mounted on the outer portion of the cutting tool, the push rod (2) is connected with the protective shell (3) through an angle adjusting mechanism (5), the angle adjusting mechanism (5) comprises a universal coupling composed of a transverse rotating shaft (10) and a longitudinal rotating shaft (11), and a first air cylinder (12) and a second air cylinder (13) are mounted on the universal coupling and used for controlling the transverse deviation or the longitudinal deviation of the cutting angle of the cutting tool (4).

2. A cutting apparatus for an automotive transmission case according to claim 1, characterized in that: first cylinder (12) rotate to be installed on horizontal rotation axis (10), and the output rotates the outer wall of connecting protecting crust (3), second cylinder (13) rotate to be installed at push rod (2) outer wall, and the output rotates to be connected vertical rotation axis (11).

3. A cutting apparatus for an automotive transmission case according to claim 1, characterized in that: the cutting tool (4) comprises a cutting surface (14) and a polishing surface (15) which are both in an annular structure, and the cutting surface (14) surrounds the outside of the polishing surface (15).

4. A cutting apparatus for an automotive transmission case according to claim 1, characterized in that: the outer walls of the two sides of the protective shell (3) are respectively provided with a plurality of supporting mechanisms (9) for preventing the protective shell (3) from colliding with the shell of the transmission.

5. The cutting apparatus for an automotive transmission case according to claim 4, characterized in that: the supporting mechanism (9) comprises a supporting rod (17) connected with the outer wall of the protective shell (3) through a spring (18), and one end, far away from the protective shell (3), of the supporting rod (17) is provided with a rubber wheel (16).

6. A cutting apparatus for an automotive transmission case according to claim 1, characterized in that: the motor shaft of the motor (6) and the rotating shaft of the cutting tool (4) are both provided with driving wheels (8), and the two driving wheels (8) are in transmission connection through a sleeved belt (7).

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