Positioning mechanism for valve body machining

Abstract

The utility model discloses a positioning mechanism for valve body processing, which comprises two moving seats and a bottom plate, the two moving seats are both located at the top position of the bottom plate, the sides, close to each other, of the two moving seats are respectively provided with a positioning assembly, and each positioning assembly comprises a mounting disc rotationally connected with the outer wall of one side of the moving seat. A plurality of sliding grooves are formed in the mounting disc and distributed at equal intervals, a positioning block is slidably inserted into each sliding groove, a groove is formed in the end face of each positioning block, the sizes or the shapes of the grooves are different, a supporting cover is fixedly mounted on the outer wall of one side of one moving seat, and the supporting cover is fixedly mounted on the outer wall of one side of the other moving seat. Through the arrangement of the positioning assembly, one proper positioning block can be rapidly adjusted to the topmost position, the tedious replacement process is not needed, the topmost positioning block can also extend outwards, and the situation that other positioning blocks affect machining work is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve body production technical field, concretely is a positioning mechanism for valve body machining. BACKGROUND

[0002] With the development of society, the application of valve body is more and more widely, and the valve body is a main part in valve, the material of valve body is selected according to different process medium, and the commonly used materials include cast iron, cast steel, stainless steel, carbon steel, plastic and copper. With the development of industrial production, the processing of valve body is gradually automated.

[0003] Through the search, the utility model with patent announcement number CN216098573U discloses a positioning device for valve body machining, which comprises a machining table, a base is fixedly connected to the bottom of the machining table, a limiting frame is arranged on the machining table, sliding grooves are formed at the two ends of the limiting frame, a limiting spring is installed at the center of the limiting frame, a sliding block is slidably connected to the sliding groove, and a top rod is fixedly connected to the sliding block.

[0004] The above-mentioned device can accurately position the valve body by setting two clamping plates, but the valve body has different sizes and shapes at present, and the clamping plate groove of the above-mentioned device is fixed, so only one type of valve body can be fixed. If other types of valve bodies are to be fixed, other clamping plates need to be replaced, which is time-consuming and not conducive to improving work efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a positioning mechanism for valve body machining to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a positioning mechanism for valve body machining, comprising two moving seats and a bottom plate, the two moving seats are located at the top of the bottom plate, a positioning assembly is installed on one side of each moving seat, the positioning assembly comprises an installation disc rotatably connected to the outer wall of the moving seat, a plurality of sliding grooves are formed in the installation disc, the sliding grooves are distributed at equal distances, a positioning block is slidably inserted into each sliding groove, a recess is formed in the end face of each positioning block, and the sizes or shapes of the recesses are different.

[0007] As a further preferred embodiment of the present technical solution, a support cover is fixedly installed on one side of the moving seat, a vertical worm is rotatably connected in the support cover, a worm wheel is rotatably connected to the outer wall of the moving seat, the worm wheel is coaxially fixed with one end of the rotating shaft of the installation disc, the worm wheel is engaged with the worm, a motor one is fixedly installed on the top outer wall of the support cover, and the rotating shaft of the motor one is coaxially fixed with one end of the worm.

[0008] Further preferably, one of the installation discs is coaxially fixed with a drive rod, and the drive rod is in the shape of a rectangle as a whole.

[0009] The positioning block can be quickly adjusted to the top position without the need for complicated replacement process, and the positioning block at the top position also extends outward to avoid the influence of other positioning blocks on the machining work. According to the model of the valve body, a motor outside the moving seat is started, and the output end of the motor drives the worm to rotate, the worm drives the worm wheel to rotate through engagement, the worm wheel drives the installation disc to synchronously rotate, and the positioning block at other positions is moved to the top position. Then, the other positioning block can fix the valve body. When the positioning block moves upward, the edge position of the positioning block is in contact with the abutting block first. Since the abutting block is fixed outside the moving seat and cannot move, the end of the positioning block is gradually pressed and moves outside the sliding groove. The spring is shortened due to the increase in the pressure, and the spring drives the positioning block to return to the original position when the positioning block returns to the original position, thereby avoiding the influence of the positioning block on the normal use of the positioning block at the top position.

[0010] Further preferably, one of the installation discs is coaxially fixed with a drive rod, and the drive rod is in the shape of a rectangle as a whole.

[0011] Further preferably, the bottom plate is internally provided with a driving assembly, the driving assembly comprises a bidirectional screw rod rotationally connected inside the bottom plate, the moving seat is internally provided with two symmetrically arranged installation grooves, two moving seats are respectively slidably inserted into the two installation grooves, and two installation discs are respectively threadedly sleeved at the threaded portions of two ends of the bidirectional screw rod.

[0012] Further preferably, the bottom plate is internally fixedly connected with two limiting rods, two moving seats are slidably sleeved outside the two limiting rods, a second motor is fixedly installed at one side of the bottom plate, and a rotating shaft of the second motor is coaxially fixed with one end of the bidirectional screw rod.

[0013] The moving seat for clamping can be fixedly adjusted according to the model of the valve body, and the position of the moving seat for clamping cannot be changed at will. A second motor at one side of the bottom plate is started, and the output end of the second motor drives the bidirectional screw rod to rotate inside the bottom plate. The two moving seats sleeved outside the limiting rods can only translate due to the limitation, and the bidirectional screw rod drives the two moving seats to approach each other. Then, the two positioning assemblies can complete the positioning of the valve body.

[0014] As a further preferred of the technical solution, one of the mobile seat side wall bottom is fixedly connected with a baffle, and the other mobile seat is internally provided with a through hole matched with the baffle, and the baffle is located above the bidirectional screw.

[0015] The utility model provides a positioning mechanism for valve body processing has the following beneficial effects:

[0016] (1) the utility model discloses a positioning assembly is set up, so that a suitable positioning block can be quickly adjusted to the top position, need not to carry out the tedious replacement process, and the positioning block in the top position also extends outward, avoid other positioning blocks to influence the processing work to carry out, according to the model of valve body adjustment positioning assembly, start the motor of one mobile seat outside, its output can drive the worm to rotate, and the worm can drive the worm gear to rotate through the meshing, and the worm gear can drive a mounting disc to rotate synchronously, and the positioning block in other positions will be moved to the top, and then cooperate with another positioning block can just fix the valve body, and when the positioning block moves upward, the edge position will contact the abutting block first, since the abutting block is fixed on the mobile seat outside and cannot move, therefore the end of the positioning block will be gradually extruded and moved outside the sliding slot, and the spring will also be shortened due to the increase of the pressure, when the positioning block returns to the original position, the spring can drive the positioning block to return to the original position, avoiding affecting the normal use of the top positioning block.

[0017] (2) the utility model discloses a driving assembly is set up, can adapt to the fixing work of different model valve body, and the position of the mobile seat for clamping also will not change at will, start motor no. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole first visual angle structural diagram of the utility model;

[0019] Figure 2 It is the whole second visual angle structural diagram of the utility model;

[0020] Figure 3 It is the partial enlarged structure schematic diagram of the positioning assembly of the utility model;

[0021] Figure 4 It is the Figure 1 Enlarged structure schematic diagram of the utility model in A place;

[0022] In the figure: 1, mobile seat; 2, bottom plate; 3, baffle; 4, driving rod; 5, positioning assembly; 6, driving assembly; 501, mounting disc; 502, sliding groove; 503, positioning block; 504, worm gear; 505, support cover; 506, worm; 507, motor one; 508, extension plate; 509, spring; 510, abutting block; 601, bidirectional screw rod; 602, limiting rod; 603, motor two. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0024] The utility model provides technical schemes: as shown in Figure 2 , Figure 3 and Figure 4 , in the embodiment, a positioning mechanism for valve body machining, including two mobile seats 1 and bottom plate 2, two mobile seats 1 are all in the top position of bottom plate 2, and one positioning assembly 5 is installed on the side of two mobile seats 1 close to each other, the positioning assembly 5 includes the mounting disc 501 rotationally connected to the outer wall of mobile seat 1 side, a plurality of sliding grooves 502 are formed in the mounting disc 501, and the plurality of sliding grooves 502 are equidistantly distributed, one positioning block 503 is slidably inserted into the plurality of sliding grooves 502, and a recess is formed in the end face of the plurality of positioning blocks 503, and the size or shape of the plurality of recesses is different.

[0025] The outer wall of one side of one mobile seat 1 is fixedly installed with a support cover 505, the worm 506 vertically arranged is rotationally connected in the support cover 505, the worm gear 504 is rotationally connected to the outer wall of one side of mobile seat 1, the worm gear 504 is coaxially fixed with one end of the rotating shaft of mounting disc 501, the worm gear 504 is engaged with the worm 506, and the motor one 507 is fixedly installed on the top outer wall of support cover 505, the rotating shaft of motor one 507 is coaxially fixed with one end of worm 506.

[0026] The outer wall of one side of the top and bottom of the plurality of positioning blocks 503 is fixedly connected with an extension plate 508, the outer wall of one side of the two extension plates 508 is fixedly connected with a spring 509, one end of the two springs 509 is fixedly connected with the mounting disc 501, the outer wall of one side of the top of mobile seat 1 is fixedly connected with an abutting block 510, and the plurality of positioning blocks 503 can be opposite to the position of abutting block 510.

[0027] As shown in Figure 1 and Figure 2 , the outer wall of one side of one mounting disc 501 is coaxially fixed with a driving rod 4, and the driving rod 4 is integrally arranged in a rectangular shape, the driving rod 4 can be slidably inserted into the other mounting disc 501, so that the movement of mobile seat 1 is not hindered, and one mounting disc 501 can also drive the other mounting disc 501 to rotate synchronously through the driving rod 4.

[0028] According to the model of the valve body adjusts the positioning assembly 5, start a mobile seat 1 outside the motor 507, the output end can drive the worm 506 rotation, the worm 506 through the mesh can drive the worm gear 504 rotation, worm gear 504 can drive a mounting disc 501 synchronous rotation, in other positions a positioning block 503 will move to the top, then cooperate with another positioning block 503 can be fixed exactly the valve body, and the positioning block 503 in the upward movement, its edge position will first and abutment block 510 contact, because the abutment block 510 fixed in the mobile seat 1 outside cannot move, so the positioning block 503 end will be gradually extruded outside the sliding groove 502, spring 509 will also increase due to the pressure shortening, when the positioning block 503 back to the original position, spring 509 can drive the positioning block 503 back to the original position, to avoid its influence to the top positioning block 503 normal use.

[0029] As shown in Figure 1 and Figure 2 , the bottom plate 2 is internally mounted with a driving assembly 6, the driving assembly 6 comprises a two-way screw rod 601 rotatably connected inside the bottom plate 2, the mobile seat 1 is internally provided with two symmetrically arranged mounting grooves, and the two mobile seats 1 are respectively and slidingly inserted into the two mounting grooves.

[0030] The bottom plate 2 is fixedly connected with two limiting rods 602 inside, the two mobile seats 1 are slidingly sleeved outside the two limiting rods 602, and a motor two 603 is fixedly installed on one side outer wall of the bottom plate 2.

[0031] The motor two 603 on one side of the bottom plate 2 is started, the output end can drive the two-way screw rod 601 to rotate inside the bottom plate 2, and the two mobile seats 1 sleeved outside the limiting rods 602 can only translate due to limitation. At this time, the two-way screw rod 601 can drive the two mobile seats 1 to move close to each other, and then the two positioning assemblies 5 can complete the positioning of the valve body.

[0032] As shown in Figure 2 , the mobile seat 1 is fixedly connected with a baffle 3 at the bottom of the one side outer wall, and the other mobile seat 1 is internally provided with a through hole matched with the baffle 3. The baffle 3 is located directly above the two-way screw rod 601. When the baffle 3 moves, it will be gradually inserted into the through hole at the bottom of the other mobile seat 1. Even if the generated waste falls downward, it will be blocked by the baffle 3, and then it will slide downward along the slope, so as to avoid affecting the normal use of the two-way screw rod 601.

[0033] The utility model provides a kind of positioning mechanism for valve body machining, specific working principle as follows:

[0034] When the device works, according to the type of the valve body, the positioning assembly 5 is adjusted, a motor 507 outside the moving seat 1 is started, the output end of the motor 507 can drive the worm 506 to rotate, the worm 506 can drive the worm gear 504 to rotate through meshing, the worm gear 504 can drive the mounting disc 501 to rotate synchronously, a positioning block 503 in other positions will move to the top, then another positioning block 503 can fix the valve body, when the positioning block 503 moves upwards, the edge position of the positioning block 503 will first contact the abutting block 510, since the abutting block 510 is fixed outside the moving seat 1 and cannot move, the end of the positioning block 503 will be gradually extruded and move outside the sliding groove 502, the spring 509 will also be shortened due to the increase of the pressure, when the positioning block 503 returns to the original position, the spring 509 can drive the positioning block 503 to return to the original position, so as to avoid affecting the normal use of the positioning block 503 at the top, then the motor 603 on one side of the bottom plate 2 is started, the output end of the motor 603 can drive the bidirectional screw rod 601 to rotate inside the bottom plate 2, the two moving seats 1 sleeved outside the limiting rods 602 can only translate due to the limitation, at this time the bidirectional screw rod 601 can drive the two moving seats 1 to move close to each other, then the two positioning assemblies 5 can complete the positioning of the valve body, when the baffle 3 moves, it will be gradually inserted into the through hole at the bottom of the other moving seat 1, even if the generated waste falls downwards, it will be blocked by the baffle 3, and then slide downwards along the slope, so as to avoid affecting the normal use of the bidirectional screw rod 601.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A positioning mechanism for valve body machining, comprising two moving seats (1) and a base plate (2), characterized in that: Two mobile seats (1) are located on the top of the bottom plate (2), and one positioning assembly (5) is installed on the side of each mobile seat (1) close to each other. The positioning assembly (5) comprises a mounting disc (501) rotatably connected to the outer wall of the mobile seat (1), a plurality of sliding grooves (502) are formed in the mounting disc (501), and the sliding grooves (502) are equidistantly distributed, a positioning block (503) is slidably inserted into each sliding groove (502), and a recess is formed in the end face of each positioning block (503). The size and shape of the recesses are different. A driving assembly (6) is installed in the bottom plate (2), the driving assembly (6) comprises a bidirectional screw rod (601) rotatably connected to the inside of the bottom plate (2), two symmetrical installation grooves are formed in the inside of the mobile seat (1), and two mobile seats (1) are slidably inserted into the two installation grooves, respectively. Two mounting discs (501) are threadedly sleeved on the threaded portions at both ends of the bidirectional screw rod (601). Two limiting rods (602) are fixedly connected to the inside of the bottom plate (2), two mobile seats (1) are slidably sleeved on the outside of the two limiting rods (602), a second motor (603) is fixedly installed on the outer wall of the bottom plate (2), and the rotating shaft of the second motor (603) is coaxially fixed with one end of the bidirectional screw rod (601).

2. The positioning mechanism for valve body machining according to claim 1, characterized in that: One side of one mobile seat (1) is fixedly provided with a supporting cover (505), a vertical worm (506) is rotatably connected to the inside of the supporting cover (505), a worm wheel (504) is rotatably connected to the outer wall of the mobile seat (1), the worm wheel (504) is coaxially fixed with one end of the rotating shaft of the mounting disc (501), the worm wheel (504) is engaged with the worm (506), a first motor (507) is fixedly installed on the top outer wall of the supporting cover (505), and the rotating shaft of the first motor (507) is coaxially fixed with one end of the worm (506).

3. The positioning mechanism for valve body machining according to claim 1, characterized in that: An extension plate (508) is fixedly connected to one side of the outer wall of the top and bottom of each positioning block (503), a spring (509) is fixedly connected to one side of the outer wall of each extension plate (508), one end of each spring (509) is fixedly connected to the mounting disc (501), an abutting block (510) is fixedly connected to the top of the outer wall of the mobile seat (1), and each positioning block (503) is opposite to the abutting block (510) in position.

4. The positioning mechanism for valve body machining according to claim 1, characterized in that: One side of one mounting disc (501) is coaxially fixed with a driving rod (4), and the driving rod (4) is in the shape of a rectangle as a whole. The driving rod (4) is slidably inserted into the other mounting disc (501).

5. The positioning mechanism for valve body machining according to claim 1, characterized in that: One side of one mobile seat (1) is fixedly connected with a baffle (3), and the other mobile seat (1) is provided with a through hole matched with the baffle (3). The baffle (3) is located directly above the bidirectional screw rod (601).

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