CN209774054U - A rough machining tool for the inner cavity of a plug valve - Google Patents

Abstract

The utility model relates to a rough machining tool for the inner cavity of a plug valve, which comprises a base and two sets of clamping assemblies. The two sets of clamping assemblies are respectively slidably arranged on the base and positioned. Clamp both ends of the stopcock. The beneficial effects of the utility model are that the structure is simple, the installation stability of the plug valve is better, the quality of product production is ensured, and the production efficiency is greatly improved.

Description

A rough machining tool for the inner cavity of a plug valve

technical field

The utility model relates to the technical field of machining, in particular to a rough machining tool for the inner cavity of a plug valve.

Background technique

The plug valve is a closed or plunger-shaped rotary valve, which can be opened or closed by rotating 90 degrees to connect or separate the channel opening on the valve plug and the channel opening on the valve body. The plug valve is a quick-opening straight-through valve. Because the movement between the sealing surfaces has a wiping effect, and when fully opened, it can completely prevent contact with the flowing medium, so it can usually also be used for medium with suspended particles.

In the production of the plug valve, the plug valve is fixed on the machine tool through the fixture to make it meet the drawing or design requirements. The existing fixture is easy to loosen during the processing, the processing quality of the product is unstable, and the production efficiency is low.

Utility model content

The technical problem to be solved by the utility model is to provide a rough machining tool for the inner cavity of the plug valve, which has a simple structure, better installation stability of the plug valve, ensures the quality of product production, and greatly improves the production efficiency.

The technical scheme that the utility model solves the above-mentioned technical problem is as follows:

A rough machining tool for the inner cavity of a plug valve, comprising a base and two sets of clamping assemblies, the two sets of the clamping assemblies are respectively slidably arranged on the base and positioned, and the two sets of the clamping assemblies are oppositely arranged, respectively. For clamping both ends of a stopcock.

The beneficial effects of the utility model are as follows: firstly, the plug valve to be processed is placed on the base and between the two groups of clamping assemblies; then, the two groups of clamping assemblies are simultaneously moved to make them close to each other so as to clamp the plug valves respectively. The two ends of the plug valve are fixed for the subsequent processing of the plug valve; the whole base is installed on the machine tool by bolts. The utility model has a simple structure and ensures the stability of the processing of the plug valve, thereby improving the processing quality of the plug valve and improving the production efficiency; in addition, two sets of clamping components are respectively connected with the base in a sliding manner, so that the distance between the two can be adjusted conveniently, so as to be suitable for It has strong applicability for fixing plug valves of different specifications.

On the basis of the above technical solutions, the utility model can also be improved as follows.

Further, each group of the clamping assemblies includes a clamping frame 1 and a clamping frame 2, the clamping frame 1 is slidably arranged on the base and positioned; the clamping frame 2 and the clamping frame 1 Removable connection, a pair of clamping grooves for clamping the corresponding ends of the plug valve are provided on the opposite sides of the first clamping frame and the second clamping frame.

The beneficial effect of adopting the above-mentioned further scheme is that under the action of external force, firstly slide the first clamping frame to the set position until the corresponding end of the plug valve extends into the clamping groove and locates; then the second clamping frame and the first clamping frame are fixed together , in order to fix the corresponding end of the plug valve, which is easy to operate and saves time and effort.

Further, the upper and lower ends of the clamping frame 1 and the clamping frame 2 are respectively provided with a pair of locking screw holes, and each pair of the locking screw holes is threadedly connected with a screw, which can be tightened or loosened. The screw makes the clamping frame 1 and the clamping frame 2 approach or move away from each other to clamp or loosen the plug valve.

The beneficial effect of adopting the above-mentioned further scheme is that the two ends of the first clamping frame and the second clamping frame are respectively connected by screws, which is convenient for disassembly and assembly.

Further, a guide bar is provided on the base along the sliding direction of the first clamping frame, and the bottom of the first clamping frame is provided with a sliding groove that is slidably connected to the guide bar.

The beneficial effect of adopting the above-mentioned further scheme is to increase the stability of the clamping frame 1 during the moving process through the guide strip, and at the same time, the guiding strip acts as a limiter on the clamping frame to increase the stability of the clamping frame 1 and ensure the processing of the plug valve. the quality of.

Further, at least one positioning hole is provided at the bottom of the clamping frame 1, and positioning bolts are arranged in the positioning hole; Once the clamping frame makes any one of the positioning screw holes communicate with the positioning holes, the positioning bolts are tightened so that one end of the positioning bolts extends into the corresponding positioning screw holes and is threadedly connected with the positioning screw holes.

The beneficial effect of adopting the above-mentioned further scheme is that the first clamping frame is detachably connected with the base through positioning bolts, which is convenient for disassembly and assembly.

Further, a counterweight block is also included, and the counterweight block is detachably mounted on one side of the base close to the second clamping frame.

The beneficial effect of adopting the above-mentioned further scheme is that since the weight of the first clamping frame is greater than that of the second clamping frame, the balance and stability of the entire tooling can be increased by the counterweight block, and the quality of product processing can be improved.

Further, the base is in the shape of a circular plate, and a plurality of fixing screw holes are arranged on the base at intervals, and the fixing screw holes are threadedly connected with fixing bolts for detachable connection to the machine tool.

The beneficial effects of adopting the above-mentioned further scheme are simple structure and convenient disassembly and assembly.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the top view of the utility model;

Figure 3 is a side view of the utility model.

In the accompanying drawings, the list of components represented by each number is as follows:

1. Base, 2. Plug valve, 3. Clamping frame 1, 4. Clamping frame 2, 5. Screw, 6. Guide strip, 7. Counterweight.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings, and the examples are only used to explain the present invention, and are not intended to limit the scope of the present invention.

As shown in Figures 1 to 3, the present utility model provides a rough machining tool for the inner cavity of a plug valve, which includes a base 1 and two sets of clamping components. The base 1 can be detachably installed on the machine tool; the base 1 is preferably a circular plate The base, such as a flange, can also adopt other shapes. The base 1 is provided with a plurality of fixing screw holes at intervals, and the fixing screw holes are threadedly connected with fixing bolts for detachable connection to the machine tool; The base 1 and the main shaft of the machine tool are fixed together by a plurality of fixing bolts, and the structure is simple and convenient for disassembly and assembly. The two sets of clamping assemblies are respectively slidably arranged on the base 1 and positioned, and the two sets of clamping assemblies are arranged opposite to each other, and are used to clamp both ends of the plug valve 2 respectively. During the processing, first place the plug valve 2 to be processed on the base 1 and between the two sets of clamping components; end, the plug valve 2 is fixed for subsequent processing of the plug valve 2, and the entire base 1 is installed on the machine tool through bolts. The utility model has a simple structure and ensures the stability of the processing of the plug valve 2, thereby improving the processing quality of the plug valve 2 and improving the production efficiency; in addition, two sets of clamping components are respectively connected with the base 1 in a sliding manner, so that the distance between the two can be adjusted conveniently. , so as to be suitable for the fixing of plug valves 2 of different specifications, and the applicability is strong.

In the present invention, each group of clamping components includes a clamping frame 1 3 and a clamping frame 2 4 , and the clamping frame 1 3 is slidably arranged on the base 1 and positioned; the clamping frame 1 has an inverted T-shaped structure. The bracket includes a vertical part and a horizontal part, the lower end of the vertical part is connected with the horizontal part, and the vertical part and the horizontal part are integrally formed; at least one positioning hole is arranged on the horizontal part, and a positioning bolt is arranged in the positioning hole; There are a plurality of positioning screw holes along the sliding direction of the clamping frame 1 3. Move the clamping frame 1 to make any positioning screw hole communicate with the positioning hole, and tighten the positioning bolt so that one end of the positioning bolt extends into the corresponding positioning screw hole. And it is threadedly connected to it, so as to fix the clamping frame 1 3 and the base 1 together, which is convenient for disassembly and assembly. The advantage of the clamping frame 1 3 being slidably arranged on the base 1 is that it is convenient to adjust the distance between the two clamping frames 1 3 so as to be suitable for fixing the plug valves 2 of different specifications, and has strong applicability.

In addition, the second clamping frame 4 is detachably connected to the first clamping frame 3 , and a pair of clamping grooves for clamping the corresponding ends of the plug valve 2 are provided on the opposite sides of the first clamping frame 3 and the second clamping frame 4 . The specific way for the detachable connection between the first clamping frame 3 and the clamping frame 2 4 is as follows: the upper and lower ends of the clamping frame 1 3 and the clamping frame 2 4 are respectively provided with a pair of locking screw holes, and each pair of locking screw holes is provided. The holes are all threadedly connected with screws 5. Tightening or loosening the screws 5 makes the clamping frame 1 3 and the clamping frame 2 4 close to each other or away from each other to clamp or loosen the plug valve 2. The structure is simple, the disassembly and assembly are convenient, and the Save time and effort. The processing process of the plug valve 2 is as follows: under external force such as artificial action, first slide the clamping frame 1 3 to the set position until the corresponding end of the plug valve 2 protrudes into the clamping groove, and is positioned by the positioning bolt; then the clamping frame 2 4 is fixed with the clamping frame 1 3, so as to fix the corresponding end of the plug valve 2, which is easy to operate and saves time and effort.

Preferably, in the present invention, a guide bar 6 is provided on the base 1 along the sliding direction of the clamping frame 1 3, and the guiding bar 6 is integrally formed with the base 1; the bottom of the clamping frame 1 is provided with a sliding connection with the guide bar 6 The chute is formed by the corresponding position at the bottom of the clamping frame 1 3 concavely. During the fixing process of the plug valve 2, the clamping frame 1 3 slides along the guide bar 6, and the guide bar 6 increases the stability of the clamping frame 1 3 during the moving process. At the same time, the guide bar 6 limits the clamping frame 1 3 It can increase the stability of the clamping frame 1 3 and ensure the processing quality of the plug valve 2.

In the present invention, the counterweight block 7 is also included. The counterweight block 7 is detachably installed on the side of the base 1 close to the clamping frame 2 4. Here, the counterweight block 7 is fixed on the base 1 by bolts, and the base 1 The counterweight block 7 is respectively provided with screw holes matched with the bolts. When the weight of the first clamping frame 3 is greater than that of the second clamping frame 4, the balance and stability of the entire tooling can be increased by the counterweight 7, and the quality of product processing can be improved.

It should be noted that when the weights of the first clamping frame 3 and the clamping frame 2 4 are equivalent, the counterweight 7 is not required at this time; when the weight of the clamping frame 1 3 is greater than the weight of the clamping frame 2 4, At this time, a counterweight 7 is required, and the number and weight of the counterweight 7 are reasonably selected according to actual needs, thereby increasing the balance and stability of the entire processing tool.

The working principle of the present utility model:

First, place the plug valve 2 to be processed at the center of the base 1; then, move the two clamping frames 1 3 to make them close to each other to clamp the two ends of the plug valve 2 respectively; The second frame 4 is respectively fixed with the two clamping frames 1 3 to fix the plug valve 2 for subsequent processing of the plug valve 2 .

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. 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 (7)

1. A rough machining tool for the inner cavity of a plug valve, characterized in that: it comprises a base (1) and two groups of clamping assemblies, and the two groups of said clamping assemblies are respectively slidably arranged on the base (1) and positioned, The two sets of clamping assemblies are arranged opposite to each other, and are respectively used to clamp both ends of the plug valve (2). 2 . The rough machining tool for the inner cavity of a plug valve according to claim 1 , wherein each set of the clamping components comprises a clamping frame one (3) and a clamping frame two (4), the clamping frame The first frame (3) is slidably arranged on the base (1) and positioned; the second clamping frame (4) is detachably connected to the first clamping frame (3), and the first clamping frame (3) A pair of clamping grooves for clamping the corresponding ends of the plug valve (2) are provided on the opposite side of the clamping frame two (4). 3. The cock valve inner cavity rough machining tool according to claim 2, wherein the upper and lower ends of the first clamping frame (3) and the second clamping frame (4) are respectively provided with a pair of corresponding Locking screw holes, each pair of said locking screw holes is threadedly connected with a screw (5), tightening or loosening said screw (5) makes the first clamping frame (3) and the second clamping frame (4) Move closer to or away from each other to clamp or loosen the plug valve (2). 4. The cock valve inner cavity rough machining tool according to claim 2, characterized in that: a guide strip (6) is provided on the base (1) along the sliding direction of the first clamping frame (3), so The bottom of the first clamping frame (3) is provided with a chute for sliding connection with the guide strip (6). 5. The cock valve inner cavity rough machining tool according to claim 2, characterized in that: at least one positioning hole is arranged at the bottom of the first clamping frame (3), and a positioning bolt is arranged in the positioning hole; The base (1) is provided with a plurality of positioning screw holes along the sliding direction of the clamping frame 1 (3), and the clamping frame 1 (3) is moved so that any one of the positioning screw holes and the positioning holes Connect, and tighten the positioning bolts so that the lower ends of the positioning bolts extend into the corresponding positioning screw holes and are threadedly connected with them. 6. The rough machining tool for the inner cavity of a plug valve according to any one of claims 2-5, characterized in that it further comprises a counterweight (7), which is detachably installed on the The base (1) is on one side close to the second clamping frame (4). 7. The cock valve inner cavity rough machining tool according to any one of claims 1-5, characterized in that: the base (1) is in the shape of a circular plate, and a plurality of fixed positions are arranged on the base (1) at intervals. A screw hole, the fixing screw hole is threadedly connected with a fixing bolt for detachable connection to the machine tool.