CN209125385U - A pneumatic clamp for the right case of a gearbox - Google Patents

Abstract

The utility model discloses a kind of right case air-actuated jaws of gearbox, including the right case clamp bottom board of gearbox and it is mounted on the right case clamp bottom board of gearbox for clamping the main supporting device of the right case of gearbox, the main supporting device is made of three stack clamping devices, two groups of assistant supporting mechanisms are additionally provided on the right case clamp bottom board of gearbox, in the fixation procedure of the right case of gearbox, clamping device described in three groups is distributed in three different locations of the right case periphery of the gearbox, and assistant supporting mechanism described in two groups is located at the different location in the right bottom portion of the gearbox.The utility model is easy to use, easy to operate, and positioning, clamping effect are good, improves machining accuracy, improves processing efficiency.

Description

A pneumatic clamp for the right case of a gearbox

【Technical field】

The utility model relates to the technical field of process equipment clamps, in particular to a pneumatic clamp for a right box of a gearbox.

【Background technique】

The gearbox is one of the important parts of the car. It is mainly used to change the transmission ratio, enable the car to run backwards, use the neutral gear, and interrupt the power transmission under the condition that the rotation direction of the engine remains unchanged, so that the engine can start, idle, and facilitate. Transmission shifting or power takeoff. The gearbox is the core part of automobile manufacturing. The quality of the gearbox also affects the quality of the whole vehicle. For the shell of the automatic gearbox, it protects the internal gear structure, so the quality of the shell also affects the quality of the entire vehicle. Crucially, the quality of the gearbox casing directly affects the performance of the gear, and affects the vibration, noise, efficiency and life of the whole machine.

In the process of processing the gearbox, the gearbox housing needs to be clamped. However, due to the large volume and mass of the gearbox, the positioning and clamping effect of the gearbox in the prior art is poor. , it is prone to loose clamping or excessive clamping, which affects the machining accuracy and affects the machining efficiency.

【Content of utility model】

The purpose of this utility model is to overcome the deficiencies of the above-mentioned prior art, provide a kind of gearbox right box pneumatic clamp, in order to solve the above-mentioned technical problem, adopt the following technical scheme:

A pneumatic clamp for the right case of the transmission, which is characterized in that it comprises a bottom plate of the clamp of the right case of the transmission and a main supporting mechanism installed on the bottom of the clamp of the right case of the transmission for clamping the right case of the transmission, the main supporting mechanism being composed of three parts. There are also two sets of auxiliary supporting mechanisms on the bottom plate of the gearbox right box fixture. During the fixing process of the gearbox right box, three sets of the clamping devices are distributed on the outer circumference of the gearbox right box. At three different positions, the two sets of auxiliary support mechanisms are located at different positions at the bottom of the right case of the gearbox.

Preferably, two sets of tapered pin positioning mechanisms are further arranged on the bottom plate of the right box fixture of the gearbox, and the two sets of the taper pin positioning mechanisms and the two sets of the auxiliary support mechanisms are alternately distributed at the bottom of the right box of the gearbox. Location.

Preferably, each set of the clamping devices includes a clamping cylinder, an articulated screw, a supporting hinge composite part, a link rod and a pressing plate, and the clamping cylinder and the supporting hinge composite part are both fixed to the right case of the gearbox On the bottom plate of the clamp, the top of the telescopic rod of the clamping cylinder is connected to the hinged screw, the hinged screw is hinged to the pressure plate, and the top of the supporting hinge composite part is hinged to the chain rod, so The chain rod is hinged with the pressing plate, and the end of the pressing plate acts on the right case of the gearbox.

Preferably, each group of the taper pin positioning mechanisms includes a positioning cone mounting body and a taper pin mounted on the positioning cone mounting body, and the positioning cone mounting body is fixed on the bottom plate of the right box fixture of the gearbox, and is mounted on the gear box. During the fixing process on the right case of the case, the top of the taper pin acts on the bottom of the right case of the gearbox.

Preferably, the auxiliary support mechanism includes a pneumatic auxiliary support and an auxiliary support adjustment washer arranged on the pneumatic auxiliary support, and the pneumatic auxiliary support is fixed on the bottom plate of the right box clamp of the gearbox. During the fixing process of the right box of the gearbox , the auxiliary support adjusting washer acts on the bottom of the right case of the gearbox.

Preferably, the pneumatic auxiliary support adopts SP-AH18R type cylinder.

Preferably, a manual rotary valve is also installed on the bottom plate of the right box clamp of the gearbox.

Preferably, a long support block and a short support block are arranged below the bottom plate of the right box clamp of the gearbox.

Beneficial effects of the utility model: Compared with the prior art, the utility model provides a pneumatic clamp for the right box of the gearbox, which is convenient to use, simple to operate, has good positioning and clamping effects, improves processing accuracy and improves processing efficiency.

By setting up three sets of clamping devices to clamp the three ends of the right box of the gearbox respectively, the overall clamping of the workpiece is realized, and the clamping effect is good. With two sets of taper pin positioning mechanisms, the positioning and support of one side and two pins are realized. way, convenient and flexible adjustment, good positioning effect;

By setting two sets of auxiliary support mechanisms, the right case of the gearbox can be uniformly stressed and deformed during the machining process, reducing the phenomenon of knife vibration and improving the machining efficiency.

The features and advantages of the present invention will be described in detail through the embodiments in conjunction with the accompanying drawings.

【Description of drawings】

1 is a schematic structural diagram of a pneumatic clamp for a right case of a gearbox according to an embodiment of the present invention;

Fig. 2 is a three-dimensional structural schematic diagram of a pneumatic clamp for the right case of a gearbox according to an embodiment of the present invention;

3 is a schematic top view of a pneumatic clamp of a gearbox right case according to an embodiment of the present invention.

In the picture: 1- Gearbox right box clamp bottom plate, 2- Gearbox right box, 3- Clamping device, 4- Auxiliary support mechanism, 5- Taper pin positioning mechanism, 6- Manual rotary valve, 11- Long support block, 12-Short support block, 31-Clamping cylinder, 32-Joint screw, 33-Support hinge composite parts, 34-Chain rod, 35-Press plate, 41-Pneumatic auxiliary support, 42-Auxiliary support adjustment washer, 51-Location Cone mounting body, 52-cone pin.

【Detailed ways】

In order to make the purpose, technical solutions and advantages of the present utility model more clear, the present utility model will be further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present invention.

Referring to FIGS. 1 to 3 , an embodiment of the present utility model provides a pneumatic clamp for the right case of the transmission, including a bottom plate 1 of the right case of the transmission and a clamp bottom plate 1 of the right case of the transmission for clamping the right case 2 of the transmission The main supporting mechanism is composed of three sets of clamping devices 3, and two sets of auxiliary supporting mechanisms 4 are also provided on the bottom plate 1 of the right box of the gearbox. During the fixing process of the right box 2 of the gearbox, The three groups of the clamping devices 3 are distributed at three different positions on the outer periphery of the right case 2 of the gearbox, and the two groups of the auxiliary support mechanisms 4 are located at different positions at the bottom of the right case 2 of the gearbox.

Further, two sets of taper pin positioning mechanisms 5 are also provided on the bottom plate 1 of the right box fixture of the gearbox, and the two sets of taper pin positioning mechanisms 5 and the two sets of auxiliary support mechanisms 4 are alternately distributed on the right side of the gearbox. Different locations on the bottom of box 2.

Further, each group of the clamping devices 3 includes a clamping cylinder 31, an articulated screw 32, a supporting hinge composite part 33, a link rod 34 and a pressing plate 35, and the clamping cylinder 31 and the supporting hinge composite part 33 are both. It is fixed on the bottom plate 1 of the right box fixture of the gearbox. The top of the telescopic rod of the clamping cylinder 31 is connected to the hinge screw 32. The hinge screw 32 is hinged to the pressure plate 35, and the support hinge The top of the composite part 33 is articulated to the chain rod 34 , the chain rod 34 is articulated to the pressing plate 35 , and the end of the pressing plate 35 acts on the right case 2 of the gearbox. In this embodiment, the clamping cylinder 31 is an SDA63 cylinder, and the pressing plate 35 is an OP10 pressing plate.

Further, each group of the taper pin positioning mechanisms 5 includes a positioning cone mounting body 51 and a taper pin 52 mounted on the positioning cone mounting body 51 , and the positioning cone mounting body 51 is fixed to the right box clamp of the gearbox. On the bottom plate 1, during the fixing process of the right case 2 of the gearbox, the top of the taper pin 52 acts on the bottom of the right case 2 of the gearbox. The type of the taper pin 52 in this embodiment is a 12 taper pin.

Further, the auxiliary support mechanism 4 includes a pneumatic auxiliary support 41 and an auxiliary support adjustment washer 42 arranged on the pneumatic auxiliary support 41 , and the pneumatic auxiliary support 41 is fixed on the bottom plate 1 of the right box clamp of the gearbox. During the fixing process on the right case 2 of the case, the auxiliary support adjusting washer 42 acts on the bottom of the right case 2 of the gearbox.

Further, the pneumatic auxiliary support 41 adopts SP-AH18R type cylinder.

Further, a manual rotary valve 6 is also installed on the bottom plate 1 of the right box fixture of the gearbox. In this embodiment, the model of the manual rotary valve 6 is Q24R8. The clamping cylinder 31 of each group of clamping devices 3 and the air path of the pneumatic auxiliary support 41 are connected to the manual rotary valve 6, and the manual rotary valve 6 is connected to the air source and the control system. System connection (not shown in the figure).

Further, a long support block 11 and a short support block 12 are arranged below the bottom plate 1 of the gearbox right box fixture, the bottom plate 1 of the gearbox right box fixture is rectangular, and the two long support blocks 11 are arranged on the bottom plate of the gearbox right box fixture. 1. Below the two long sides, two short support blocks 12 are arranged below the two short sides of the bottom plate 1 of the right box fixture of the gearbox.

The working principle of the utility model is as follows: firstly, the right case 2 of the gearbox is placed on the bottom plate 1 of the right case of the gearbox. In this embodiment, the model of the right case 2 of the gearbox is 29711-2000. The clamping cylinders 31 of the clamping device 3 act at the same time, and the telescopic rods of the clamping cylinders 31 are lifted up, driving the front end of the pressure plate 35 to press down, clamping three different positions of the right case 2 of the gearbox, so that the right The overall clamping of the box 2 has a good clamping effect, and then adjust the taper pins 52 of the two sets of taper pin positioning mechanisms 5 located at the lower end of the right box 2 of the gearbox to further position the right box 2 of the gearbox to achieve the positioning of two pins on one side 2. The support method improves the stability of the gearbox right box 2 during the processing process, and the adjustment is flexible and convenient. By operating the manual rotary valve 6, the pneumatic auxiliary support 41 is lifted to stand against the bottom of the gearbox right box 2. Two sets of auxiliary The addition of the support mechanism 4 enables the right case 2 of the gearbox to be uniformly stressed and less deformed during the machining process, reducing the phenomenon of knife vibration and improving the machining efficiency. Under certain circumstances, it is possible to adjust the cutting process. The milling speed of the joint face can reach 700 m/min, the feed speed can reach 1800 mm/min; The speed can reach 560mm/min. According to the production process inspection report, the flatness of the box joint surface does not exceed 0.03mm, the verticality error does not exceed 0.015mm, and the smoothness is 0.8.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements or improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (8)

1. a gearbox right box pneumatic clamp, it is characterized in that: comprise the gearbox right box fixture bottom plate (1) and be installed on the gearbox right box fixture bottom plate (1) for clamping the gearbox right box (2). The main support mechanism is composed of three sets of clamping devices (3), and two sets of auxiliary support mechanisms (4) are also provided on the bottom plate (1) of the right box of the gearbox. 2) During the fixing process, three sets of the clamping devices (3) are distributed at three different positions on the outer periphery of the right case (2) of the gearbox, and two sets of the auxiliary support mechanisms (4) are located in the gearbox. Different positions at the bottom of the right box (2). 2. A kind of gearbox right box pneumatic clamp as claimed in claim 1, it is characterized in that: said gearbox right box clamp bottom plate (1) is also provided with two groups of taper pin positioning mechanisms (5). The taper pin positioning mechanism (5) and the two sets of auxiliary support mechanisms (4) are alternately distributed at different positions at the bottom of the right case (2) of the gearbox. 3. The pneumatic clamp for the right case of the gearbox according to claim 1, characterized in that: each group of the clamping devices (3) comprises a clamping cylinder (31), an articulated screw (32), a supporting hinge compound The component (33), the link rod (34) and the pressing plate (35), the clamping cylinder (31) and the supporting hinge composite component (33) are all fixed on the bottom plate (1) of the right box fixture of the gearbox, The top of the telescopic rod of the clamping cylinder (31) is connected with the hinge screw (32), the hinge screw (32) is hinged to the pressing plate (35), and the support hinge composite part (33) The top of the transmission is hinged to the chain rod (34), the chain rod (34) is hinged to the pressure plate (35), and the end of the pressure plate (35) acts on the right case (2) of the gearbox. 4. The pneumatic clamp for the right case of the gearbox according to claim 2, characterized in that: each group of the taper pin positioning mechanisms (5) comprises a positioning cone mounting body (51) and a positioning cone mounting body mounted on the positioning cone mounting body The taper pin (52) on (51), the positioning cone mounting body (51) is fixed on the bottom plate (1) of the gearbox right box fixture, during the fixing process on the gearbox right box (2), all the The top of the taper pin (52) acts on the bottom of the right case (2) of the gearbox. 5. The pneumatic clamp for the right case of the gearbox according to claim 1, wherein the auxiliary support mechanism (4) comprises a pneumatic auxiliary support (41) and an auxiliary support arranged on the pneumatic auxiliary support (41). Adjusting washer (42), the pneumatic auxiliary support (41) is fixed on the bottom plate (1) of the right case of the gearbox, during the fixing process of the right case (2) of the gearbox, the auxiliary support adjusting washer (42) ) acts on the bottom of the gearbox right case (2). 6 . The pneumatic clamp for the right box of the gearbox according to claim 5 , wherein the pneumatic auxiliary support ( 41 ) adopts an SP-AH18R cylinder. 7 . 7 . The pneumatic clamp for the right case of the gearbox according to claim 1 , wherein a manual rotary valve ( 6 ) is also installed on the bottom plate ( 1 ) of the clamp for the right case of the gearbox. 8 . 8. The pneumatic clamp for the right case of a gearbox according to claim 1, wherein a long support block (11) and a short support block (12) are arranged below the bottom plate (1) of the right case clamp of the gearbox .