Positioning tool for machining stop valve

Abstract

The utility model discloses a positioning tool for machining a stop valve, and relates to the technical field of machining of stop valves. The clamping device comprises a supporting frame, a power driving assembly and a clamping assembly, the supporting frame is installed on an external machine frame, the power driving assembly is installed above the supporting frame and comprises a movable plate, an air cylinder is installed between the movable plate and the supporting frame, and the output end of the air cylinder is fixedly connected with the movable plate. The two clamping assemblies are installed at the top of the power driving assembly and comprise a plurality of clamping plates, clamping pieces are fixedly arranged on one sides of the clamping plates, an annular plate is fixedly arranged at the top of the supporting frame and is in sliding fit with the moving plate, a sliding groove is formed in the top of the moving plate, and a first rack is arranged at the top of the moving plate in a sliding mode. Sliding strips are fixedly arranged at the bottoms of the first racks. Through the specific structural design of the supporting frame, the power driving assembly and the clamping assembly, the working efficiency of the stop valve machining tool is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of stop valve processing, especially be related to the positioning tool for stop valve processing. BACKGROUND

[0002] The stop valve is also called the cut-off valve, and is the most widely used valve. The closing principle of the stop valve is that the valve lever pressure makes the valve clapper sealing surface and the valve seat sealing surface closely adhere to prevent the medium from flowing. Since the stop valve is prone to skidding during processing, the position of the stop valve needs to be limited during the stop valve processing.

[0003] The current stop valve positioning tool usually drives the rotating block through the motor to rotate the shell to realize the positioning and clamping of the stop valve. This positioning tool can only position one stop valve at a time, which reduces the processing efficiency of the stop valve. Therefore, the positioning tool for stop valve processing is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a positioning tool for stop valve processing, which solves the problems of low efficiency of the existing stop valve processing tool through the specific structural design of the support frame, the power drive assembly and the clamping assembly.

[0005] To solve the above technical problems, the utility model is realized through the following technical scheme: the utility model discloses a positioning tool for stop valve processing, which comprises a support frame, a power drive assembly and a clamping assembly, the support frame is installed on the external rack, the power drive assembly is installed above the support frame, the power drive assembly comprises a moving plate, a cylinder is installed between the moving plate and the support frame, the cylinder output end is fixedly connected with the moving plate, two clamping assemblies are installed on the top of the power drive assembly, the clamping assembly comprises a plurality of clamping plates, and a clamping piece is fixedly arranged on one side of the clamping plate.

[0006] The utility model further sets up that the support frame top is fixedly provided with the annular plate, the annular plate and the moving plate between sliding fit, the moving plate top is set with the sliding slot.

[0007] The utility model further sets up that the moving plate top is slidably provided with the first rack, the first rack bottom is fixedly provided with the sliding strip, the sliding strip and the sliding groove between sliding fit, the moving plate top is fixedly provided with two positioning plates.

[0008] The utility model further sets up that two positioning plates are rotatably provided with a positioning threaded rod between one side of the positioning plate, and a driving motor is installed on one side of the positioning plate.

[0009] The utility model further sets up, first rack one side fixedly arranged with fixed plate, the fixed plate one side is set with the limit slot, the moving plate top is slidingly arranged with the sliding plate, the sliding plate with the limit slot between the joint cooperation, the sliding plate with the fixed thread rod between thread cooperation.

[0010] The utility model further sets up, the moving plate top fixedly arranged with the installation disc, the installation disc circumference side fixedly arranged with two limit disc, the limit disc with the moving plate between is connected through the limit rod, the limit disc bottom rotatably arranged with drive gear ring, drive gear ring with first rack between engagement, drive gear ring top fixedly arranged with the slide rod, the slide rod with moving plate between sliding cooperation.

[0011] The utility model further sets up, the limit disc top slidably arranged with the second rack corresponding to the clamping plate, the second rack one end with the fixed connection between the corresponding clamping plate, the limit disc top rotatably arranged with the first gear corresponding to the second rack, the first gear with corresponding second rack engagement.

[0012] The utility model further sets up, the limit disc bottom rotatably arranged with the second gear corresponding to the first gear, the first gear with corresponding second gear between through the rotating shaft connection, the second gear with drive gear ring engagement.

[0013] The utility model has following beneficial effects: 1, the utility model drives first rack movement to drive gear ring rotation through the drive, corresponding second gear rotation drives corresponding first gear rotation, corresponding second rack moves towards the direction of stop valve and drives corresponding clamping plate to move towards the direction of close stop valve, corresponding clamping piece moves towards the direction of close stop valve until stop valve is tightly clamped, this can realize the positioning of multiple stop valves simultaneously, improves the processing efficiency of stop valve while improving stability.

[0014] 2, the utility model moves through the control air cylinder output, makes moving plate move until stop valve and external processing device correspond, then processes stop valve, this process can adjust the position of stop valve, makes external processing device correspond with stop valve, further improves the processing efficiency of stop valve.

[0015] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Figure 1 It is a structure schematic view of the positioning tool for the stop valve machining.

[0018] Figure 2 It is a structure schematic view of the positioning tool for the stop valve machining. Figure 1

[0019] Figure 3 It is a structure schematic view of the supporting frame in the present application.

[0020] Figure 4 It is a structure schematic view of the power driving assembly in the present application.

[0021] Figure 5 It is a structure schematic view of the power driving assembly in the present application. Figure 4

[0022] Figure 6 It is a structure schematic view of the power driving assembly in the present application. Figure 4

[0023] Figure 7 It is a structure schematic view of the clamping assembly in the present application.

[0024] Figure 8 It is a structure schematic view of the clamping assembly in the present application. Figure 7

[0025] In the drawings, the component list represented by each mark is as follows:

[0026] 1-supporting frame, 101-ring plate, 2-power driving assembly, 201-moving plate, 202-cylinder, 203-sliding groove, 204-first rack, 205-sliding bar, 206-positioning plate, 207-positioning threaded rod, 208-driving motor, 209-fixed plate, 210-sliding plate, 3-clamping assembly, 301-clamping plate, 302-clamping piece, 303-limiting disc, 304-second rack, 305-first gear, 306-second gear, 307-limiting disc, 308-arrangement disc, 309-limiting rod, 310-sliding rod. DETAILED DESCRIPTION

[0027] ​​​​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0028] In the embodiment, the positioning tool for machining the stop valve comprises a supporting frame 1, a power driving assembly 2 and a clamping assembly 3. Figures 1-8 The supporting frame 1 is installed on an external rack, the power driving assembly 2 is installed above the supporting frame 1, the power driving assembly 2 comprises a moving plate 201, a cylinder 202 is installed between the moving plate 201 and the supporting frame 1, the cylinder 202 is fixedly connected between an output end and the moving plate 201, two clamping assemblies 3 are installed on the top of the power driving assembly 2, the clamping assembly 3 comprises a plurality of clamping plates 301, and a clamping piece 302 is fixedly arranged on one side of the clamping plate 301.

[0029] Specifically, an annular plate 101 is fixedly arranged on the top of the supporting frame 1, the annular plate 101 is in sliding fit between the moving plate 201, a sliding groove 203 is formed on the top of the moving plate 201, a first gear rack 204 is slidingly arranged on the top of the moving plate 201, a sliding bar 205 is fixedly arranged on the bottom of the first gear rack 204, the sliding bar 205 is in sliding fit between the sliding groove 203, and two positioning plates 206 are fixedly arranged on the top of the moving plate 201.

[0030] Further, a positioning threaded rod 207 is rotatably arranged between the two positioning plates 206, a driving motor 208 is installed on one side of the positioning plate 206, the driving motor 208 is fixedly connected between an output end and the positioning threaded rod 207, a fixed plate 209 is fixedly arranged on one side of the first gear rack 204, a limiting groove is formed on one side of the fixed plate 209, a sliding plate 210 is slidingly arranged on the top of the moving plate 201, the sliding plate 210 is in clamping fit between the limiting groove, and the sliding plate 210 is in threaded fit between the positioning threaded rod 207.

[0031] The operation process of the embodiment is as follows: in the initial state, the moving plate 201 is inside the annular plate 101, each clamping piece 302 is not attached, that is, each clamping plate 301 is at the farthest position from the center, the stop valve is placed in the middle of each clamping piece 302, then the driving motor 208 is driven to rotate the positioning threaded rod 207, the sliding plate 210 moves to push the fixed plate 209 to move, the first rack 204 moves to drive the internal structure of the two clamping assemblies 3 to operate, so that the corresponding clamping plate 302 moves towards the stop valve, each clamping piece 301 moves towards the stop valve until the stop valve is completely clamped, then the output end of the air cylinder 202 moves upward, so that the moving plate 201 moves upward until the stop valve corresponds to the external processing device, then the stop valve is processed, after processing, the output end of the air cylinder 202 moves downward, so that the moving plate 201 moves downward until the moving plate 201 returns to the initial position, then the driving motor 208 is controlled to move reversely to drive the positioning threaded rod 207 to rotate reversely, the sliding plate 210 moves reversely to push the fixed plate 209 to move reversely, the first rack 204 moves reversely to drive the internal structure of the two clamping assemblies 3 to operate, so that the corresponding clamping plate 302 moves towards the initial position, each clamping piece 301 moves towards the initial position until the stop valve is released.

[0032] In a second embodiment, the moving plate 201 is fixedly provided with a placement disc 308 at the top, two limiting discs 303 are fixedly arranged on the side surface of the placement disc 308, the limiting discs 303 and the moving plate 201 are connected through limiting rods 309, drive gear rings 307 are rotatably arranged at the bottom of the limiting discs 303, the drive gear rings 307 are engaged with the first racks 204, and sliding rods 310 are fixedly arranged at the top of the drive gear rings 307 and are in sliding fit with the moving plate 201.

[0033] Specifically, the second racks 304 corresponding to the clamping plates 301 are slidably arranged at the top of the limiting discs 303, one end of each second rack 304 is fixedly connected with the corresponding clamping plate 301, and first gears 305 corresponding to the second racks 304 are rotatably arranged at the top of the limiting discs 303.

[0034] Further, second gears 306 corresponding to the first gears 305 are rotatably arranged at the bottom of the limiting discs 303, the first gears 305 and the corresponding second gears 306 are connected through shafts, and the second gears 306 are engaged with the drive gear rings 307.

[0035] The operation process of the embodiment is as follows: the first rack 204 is driven to move to drive the driving tooth rings 301 to rotate, the corresponding second gears 306 are driven to rotate to drive the corresponding first gears 305 to rotate, the corresponding second racks 304 are driven to move towards the direction of the stop valve to drive the corresponding clamping plates 301 to move towards the direction of the stop valve, the corresponding clamping pieces 302 are driven to move towards the direction of the stop valve until the stop valve is tightly clamped, when the clamped stop valve is processed, the first rack 204 is driven to move reversely to drive the driving tooth rings 301 to rotate reversely, the corresponding second gears 306 are driven to rotate reversely to drive the corresponding first gears 305 to rotate reversely, the corresponding second racks 304 are driven to move away from the direction of the stop valve to drive the corresponding clamping plates 301 to move away from the direction of the stop valve, and the corresponding clamping pieces 302 are driven to move away from the direction of the stop valve until the stop valve is released from clamping, so that the positioning of the stop valve is realized.

[0036] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that the persons skilled in the art can well understand and utilize the application. The application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A positioning tool for machining of a stop valve, characterized in that, Include: Support frame (1), the support frame (1) is installed on the external rack; Power drive assembly (2), the power drive assembly (2) is installed above the support frame (1), the power drive assembly (2) includes moving plate (201), the moving plate (201) is installed between the support frame (1), and the cylinder (202) output end and the moving plate (201) are fixedly connected between the cylinder (202); And clamping assembly (3), two clamping assembly (3) are installed on the top of the power drive assembly (2), the clamping assembly (3) includes a plurality of clamping plates (301), and the clamping plate (301) is fixedly provided with a clamping piece (302) on one side.

2. The positioning tool for stop valve machining according to claim 1, characterized in that, The top of the support frame (1) is fixedly provided with an annular plate (101), the annular plate (101) is in sliding fit between the moving plate (201), and the moving plate (201) is provided with a sliding groove (203) on the top.

3. The positioning tool for stop valve machining according to claim 2, characterized in that, The top of the moving plate (201) is slidably provided with a first rack (204), the bottom of the first rack (204) is fixedly provided with a sliding bar (205), the sliding bar (205) is in sliding fit with the sliding groove (203), and the top of the moving plate (201) is fixedly provided with two positioning plates (206).

4. The positioning tool for stop valve machining according to claim 3, characterized in that, The positioning screw rod (207) is rotatably arranged between the two positioning plates (206), and one side of one of the positioning plates (206) is provided with a driving motor (208), and the output end of the driving motor (208) is fixedly connected with the positioning screw rod (207).

5. The positioning tool for stop valve machining according to claim 4, characterized in that, The first rack (204) is fixedly provided with a fixed plate (209) on one side, the fixed plate (209) is provided with a limiting groove on one side, the top of the moving plate (201) is slidably provided with a sliding plate (210), the sliding plate (210) is in clamped fit with the limiting groove, and the sliding plate (210) is in threaded fit with the positioning screw rod (207).

6. The positioning tool for stop valve machining according to claim 5, characterized in that, The top of the moving plate (201) is fixedly provided with a mounting disc (308), the two limiting discs (303) are fixedly arranged on the circumferential surface of the mounting disc (308), the limiting disc (303) is connected with the moving plate (201) through a limiting rod (309), and the limiting disc (303) is rotatably provided with a driving gear ring (307) on the bottom. The driving gear ring (307) is engaged with the first rack (204), and the top of the driving gear ring (307) is fixedly provided with a sliding rod (310), and the sliding rod (310) is in sliding fit with the moving plate (201).

7. The positioning fixture for stop valve machining according to claim 6, characterized in that, The top of the limiting disc (303) is slidably provided with a second rack (304) corresponding to the clamping plate (301), one end of the second rack (304) is fixedly connected with the corresponding clamping plate (301), and the top of the limiting disc (303) is rotatably provided with a first gear (305) corresponding to the second rack (304), and the first gear (305) is engaged with the corresponding second rack (304).

8. The positioning fixture for stop valve machining according to claim 7, characterized in that, The limiting disc (303) is rotationally arranged with a second gear (306) corresponding to the first gear (305) at the bottom, the first gear (305) and the corresponding second gear (306) are connected through a rotating shaft, and the second gear (306) is engaged with the driving gear ring (307).

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