CN206084463U - Second grade reducer box body faying face mills clamping device - Google Patents

Abstract

The utility model discloses a milling and clamping device for the joint surface of a two-stage reducer box, which comprises a bottom plate, a positioning mechanism arranged on the bottom plate and used for positioning the reducer box, and a pressing mechanism for pressing the reducer box. Tightening mechanism, the top surface of the bottom plate is a positioning surface for contacting the bottom surface of the reducer box and parallel to the joint surface of the box. The secondary reducer box of the utility model combined with surface milling and clamping device has simple structure and convenient operation. By setting a positioning mechanism and a pressing mechanism, the precise clamping and positioning of the reducer box can be realized, and the box body can be improved. The processing accuracy of the joint surface also improves the clamping efficiency and the reliability of the pressing, the processing efficiency is relatively high, and the employees who process the product can go to work without training.

Description

Two-stage reducer box combined with surface milling clamping device

technical field

The utility model belongs to the technical field of clamping devices. Specifically, the utility model relates to a milling and clamping device for the joint surface of a two-stage reducer box.

Background technique

The connection between the box body and the box cover of the two-stage reducer is a bolt connection, and a gasket needs to be placed between the box body and the box cover to seal the reducer and prevent external dust from entering the reducer and leakage of lubricating oil. . This requires high precision when processing the joint surface of the box body and the box cover. Generally, milling is used for processing. Since the joint surface on the box body is relatively large, the positioning error on the machine tool is relatively large when processing the joint surface of the box body, resulting in The precision is lower.

Utility model content

The utility model aims at at least solving one of the technical problems existing in the prior art. For this reason, the utility model provides a milling and clamping device for the joint surface of the two-stage reducer case, the purpose of which is to improve the milling precision of the joint surface of the reducer case.

In order to achieve the above purpose, the technical solution adopted by the utility model is: the milling and clamping device for the joint surface of the two-stage reducer box, including a bottom plate and a positioning mechanism arranged on the bottom plate for positioning the reducer box and for pressing The pressing mechanism of the reducer casing, the top surface of the bottom plate is a positioning surface for contacting with the bottom surface of the reducer casing and parallel to the casing joint surface.

The pressing mechanism includes a clamping plate arranged on the bottom plate and a pressing rod arranged on the clamping plate and used for applying pressure to the reducer case.

The pressing rod is threadedly connected with the clamping plate, and the length direction of the pressing rod is perpendicular to the top surface of the bottom plate.

The clamping plate includes a fixed part, a connecting part and a cantilever part connected in sequence, the fixed part is connected to the bottom plate, the pressing bar is arranged on the cantilever part, and the cantilever part is parallel to the bottom plate.

The connecting portion is vertically connected to the fixed portion and the cantilever portion.

There are two pressing mechanisms, and the two pressing mechanisms are arranged in a staggered manner.

The positioning mechanism includes a first bracket, a second bracket, a first positioning pin arranged on the first bracket and a second positioning pin arranged on the second bracket, the axis of the first positioning pin and the axis of the second positioning pin perpendicular to each other.

The first bracket and the second bracket are vertically arranged on the bottom plate and parallel to the length direction of the pressing bar.

There are two first brackets, and the two first brackets are on the same straight line parallel to the length direction of the bottom plate.

The secondary reducer box of the utility model combined with surface milling and clamping device has simple structure and convenient operation. By setting a positioning mechanism and a pressing mechanism, the precise clamping and positioning of the reducer box can be realized, and the box body can be improved. The processing accuracy of the joint surface also improves the clamping efficiency and the reliability of the pressing, the processing efficiency is relatively high, and the employees who process the product can go to work without training.

Description of drawings

This manual includes the following drawings, the contents shown are:

Fig. 1 is the front view of the utility model clamping device;

Fig. 2 is a top view of the utility model clamping device;

Fig. 3 is the structural representation of clamping plate;

Fig. 4 is a schematic diagram of the connection between the positioning bush and the pin;

The marks in the figure are: 1. Reducer box; 2. Bottom plate; 3. Clamping plate; 31. Fixed part; 32. Connecting part; 33. Cantilever part; 4. Screw; 5. Spring washer; 6. Pressure Rod; 7, the second positioning pin; 8, the first positioning pin; 9, the first bracket; 10, the second bracket; 11, the pin; 12, the bushing.

detailed description

Next, with reference to the accompanying drawings, through the description of the embodiments, the specific implementation of the present utility model will be further described in detail, the purpose is to help those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solutions of the present utility model , and contribute to its implementation.

As shown in Figures 1 and 2, the utility model provides a milling and clamping device for the joint surface of the two-stage reducer box, including a bottom plate 2 and a positioning mechanism arranged on the bottom plate 2 and used for positioning the reducer box As well as a pressing mechanism for pressing the reducer case, the top surface of the bottom plate 2 is a positioning surface for contacting with the bottom surface of the reducer case and parallel to the joint surface of the case.

Specifically, as shown in FIG. 1 and FIG. 2 , the base plate 2 is a rectangular flat plate placed horizontally, and the top surface of the base plate 2 is a horizontal plane. When processing the reducer case, place the reducer case on the top surface of the bottom plate 2, the bottom surface of the reducer case is in contact with the top surface of the bottom plate 2, and the bottom surface of the reducer case is parallel to the joint surface Plane, the joint surface is the top surface of the reducer case, which is used to join together with the reducer case cover, and the bottom surface of the reducer case is roughly a rectangular plane.

The clamping mechanism of the clamping device cooperates with the positioning mechanism and the bottom plate 2 to compress the reducer case. top surface. As shown in FIG. 1 and FIG. 2 , the pressing mechanism includes a clamping plate 3 arranged on the bottom plate 2 and a pressing rod 6 arranged on the clamping plate 3 and used to apply pressure to the reducer case. The pressure rod 6 has a certain length, and the pressure rod 6 is vertically arranged on the clamping plate 3 , and the length direction of the pressure rod 6 is perpendicular to the top surface of the bottom plate 2 . Preferably, the compression rod 6 is threadedly connected to the clamping plate 3 , the outer surface of the compression rod 6 is provided with external threads, and the clamping plate 3 is provided with an internal thread hole for inserting the compression rod 6 . By rotating the pressing rod 6, the pressing rod 6 can be moved up and down, and then the clamping and releasing of the reducer casing can be realized. When clamping, screw down the pressure rod 6 so that the pressure rod 6 can move downwards until it is pressed against the flange on the side wall of the reducer casing to complete the clamping and fixing of the reducer casing.

As shown in FIG. 3 , preferably, the clamping plate 3 is roughly in a Z-shaped structure, which includes a fixed portion 31, a connecting portion 32 and a cantilever portion 33 connected in sequence, the fixed portion 31 and the cantilever portion 33 are parallel to the bottom plate 2, The connecting portion 32 is perpendicular to the fixed portion 31 , the cantilever portion 33 and the bottom plate 2 , and the upper and lower ends of the connecting portion 32 are fixedly connected to the cantilever portion 33 and the fixed portion 31 respectively. As shown in Figures 1 and 2, the fixed part 31 is fixedly connected to the bottom plate 2 through the screws 4, correspondingly, the fixed part 31 is provided with a through hole for the screw 4 to pass through, and the bottom plate 2 is provided with a screw thread for the screw 4 to be inserted into. hole, and a spring washer 5 is sheathed on the screw 4, and the spring washer 5 is sandwiched between the screw 4 and the bottom plate 2 to prevent the screw 4 from loosening and improve reliability. The pressing rod 6 is disposed on the cantilever portion 33 , and an internal thread hole is correspondingly provided on the cantilever portion 33 .

Preferably, the end of the pressure rod 6 used to compress the reducer case is provided with a pressure pad for contacting the reducer case. The body produces excessive permanent pressure deformation, and the pressure pad can be replaced in time when the pressure pad is excessively deformed in multiple clamping.

As shown in Figures 1 and 2, the positioning mechanism includes a first bracket 9, a second bracket 10, a first positioning pin 8 disposed on the first bracket 9 and a second positioning pin 7 disposed on the second bracket 10, The axis of the first locating pin 8 is perpendicular to the axis of the second locating pin 7 , and the end surfaces of the first locating pin 8 and the second locating pin 7 are positioning surfaces for contacting the reducer case. The first bracket 9 and the second bracket 10 are vertically arranged on the top surface of the base plate 2 and are parallel to the longitudinal direction of the pressure rod 6, and the axis of the first positioning pin 8 and the axis of the second positioning pin 7 are aligned with the axis of the base plate 2. The top surface is parallel, and the first positioning pin 8 and the second positioning pin 7 are in contact with the two adjacent side surfaces of the reducer casing on both sides of the reducer casing respectively, and cooperate with the top surface of the bottom plate 2 to jointly realize the deceleration The positioning of the cabinet.

As preferably, the first positioning pin 8 is threadedly connected with the first bracket 9, the insertion portion of the first positioning pin 8 has an external thread, and the first bracket 9 is provided with a threaded hole for inserting the insertion portion of the first positioning pin 8 . The first positioning pin 8 is threadedly connected to the first bracket 9, which facilitates the replacement and position adjustment of the first positioning pin 8, and ensures that the first positioning pin 8 is firmly fixed to improve reliability. Similarly, the second positioning pin 7 and the second support 10 are also threaded, the insertion portion of the second positioning pin 7 has external threads, and the second support 10 is provided with a threaded hole for the insertion of the second positioning pin 7 . The second positioning pin 7 is threadedly connected with the second bracket 10, which facilitates the replacement and position adjustment of the second positioning pin 7, and ensures that the second positioning pin 7 is firmly fixed to improve reliability.

As shown in Fig. 1 and Fig. 2, two first brackets 9 are vertically arranged on the base plate 2, and one second bracket 10 is vertically arranged on the base plate 2, and the two first brackets 9 are located in the same direction as the length of the base plate 2. On the parallel same straight line, two first brackets 9 correspond to the long side of the bottom surface of the reduction box body, and the second bracket 10 corresponds to the wide side of the bottom surface of the reduction box body, and are arranged on the second positioning position on the second bracket 10 The vertical distance between the pin 7 and the bottom plate 2 is larger than the vertical distance between the first positioning pin 8 arranged on the first bracket 9 and the bottom plate 2 .

As shown in Figure 1 and Figure 2, in this embodiment, two pressing mechanisms are provided, and the two pressing mechanisms are arranged in a staggered manner. The two corners on the same diagonal line are pressed against the reducer box to improve the reliability and stability of the pressing.

In order to facilitate the reliable installation of the entire clamping device in the machine tool, a circular mounting hole is processed on the base plate 2, so that the clamping device can be fixed by the traditional method on the machine tool, and the bushing 12 is installed in the mounting hole. 12 It can be replaced in time when the amount of wear is too large. As shown in 4, the bushing 12 has a ring-shaped structure, and the bushing 12 is embedded in the installation hole provided on the bottom plate 2. In order to ensure that the bushing 12 is reliably fixed, it can also be embedded between the bushing 12 and the inner wall of the installation hole. A conical pin 11, the pin 11 makes the bushing 12 tightly fit with the mounting hole, which can prevent the bushing 12 from slipping off.

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Apparently, the specific implementation of the present invention is not limited by the above methods. As long as the various insubstantial improvements made by adopting the method concept and technical solution of the present utility model; within the scope of protection.

Claims (7)

1. The surface milling and clamping device for the two-stage reducer case is characterized in that it includes a bottom plate and a positioning mechanism arranged on the bottom plate for positioning the reducer case and a pressing device for pressing the reducer case. mechanism, the top surface of the bottom plate is a positioning surface for contacting the bottom surface of the reducer box and parallel to the joint surface of the box; the pressing mechanism includes a clamping plate set on the bottom plate and a clamping plate set on the The pressure bar on the top and used to apply pressure to the reducer box; the positioning mechanism includes a first bracket, a second bracket, a first positioning pin set on the first bracket and a second positioning pin set on the second bracket pin, the axis of the first positioning pin is perpendicular to the axis of the second positioning pin. 2. The clamping device according to claim 1, characterized in that: the pressure rod and the clamping plate are threaded, and the length direction of the pressure rod is connected to the bottom plate vertical to the top. 3. According to claim 1 or 2, the coupling surface milling clamping device for the two-stage reducer case is characterized in that: the clamping plate includes a fixed part, a connecting part and a cantilever part which are sequentially connected, and the fixed part is connected with the cantilever part The bottom plate is connected, the pressure rod is arranged on the cantilever portion, and the cantilever portion is parallel to the bottom plate. 4. The milling and clamping device according to claim 3, characterized in that: the connection part is vertically connected to the fixed part and the cantilever part. 5. The clamping device for milling and clamping the casing of the two-stage reducer according to claim 1 or 2, characterized in that: two pressing mechanisms are provided, and the two pressing mechanisms are arranged in a staggered manner. 6. According to claim 1 or 2, the joint surface milling and clamping device of the two-stage reducer case is characterized in that: the first bracket and the second bracket are vertically arranged on the bottom plate and The length directions of the pressing rods are parallel. 7. The milling and clamping device for the joint surface of the two-stage reducer case according to claim 6, characterized in that: there are two first brackets, and the two first brackets are located at the same plane parallel to the length direction of the bottom plate. in a straight line.