A center hole alignment device for pump valve body sealing surface

Abstract

The utility model discloses a center hole alignment device for the sealing surface of a pump valve body, and relates to the technical field of pump valve bodies. The utility model includes a rotating frame and an assembly table, the rotating frame includes a column seat and a sleeve, the outer peripheral side of the column seat is movably connected with the sleeve, and a group of evenly distributed assembly tables are fixed on the outer side of the sleeve. The utility model is provided with an assembly table, which can automatically clamp the pump valve body and the valve stem for hole alignment and automatically assemble after the hole alignment. During the hole alignment and assembly, the valve stem can always be kept facing the center hole of the pump valve body, which is conducive to the hole alignment and assembly of the pump valve body and the valve stem, and improves the efficiency of the hole alignment and assembly. In addition, a rotating frame is provided. By rotating the assembly table, when the pump valve body and the valve stem are aligned on one of the assembly tables, the pump valve body and the valve stem can be loaded or unloaded on the other two assembly tables, thereby improving the processing efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of pump valve bodies, in particular to a center hole alignment device used for a pump valve body sealing surface. Background Art

[0002] The structure of the pump valve body and valve stem is disclosed in the existing public documents, CN209604468U-the bladder inflation valve of the plunger pump inlet shock absorber, which is publicly provided with a valve body, the valve body has a center hole, the center hole has a reducing section, and the inner wall of the reducing section constitutes a first sealing surface; a valve stem, the valve stem is inserted into the center hole, and the valve stem has a second sealing surface that matches the first sealing surface; a sealing ring, the first end of the valve stem abuts against the end face of the first end of the valve body through the sealing ring to form an end seal. The valve stem is publicly provided with a spring that is inserted into the center hole of the valve body and crosses the valve body and is threadedly connected with the locking nut in the valve body. At present, manual hole alignment is mostly used in the market. This method is less efficient, and in the process of manual hole alignment, it is difficult to keep the valve body and the valve stem on the same horizontal line. Once the valve body and the valve stem deviate from the same horizontal line, it is difficult for the valve stem to pass through the spring in the valve body, and it is easy to fail to dock. Utility Model Content

[0003] The purpose of the utility model is to provide a center hole alignment device for the sealing surface of a pump valve body. By setting a rotating frame and an assembly table, the utility model solves the problem that manual hole alignment assembly is mostly used in the market, which has low efficiency and it is difficult to keep the valve body and the valve stem on the same horizontal line during the manual hole alignment process.

[0004] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0005] The utility model is a center hole alignment device for the sealing surface of a pump valve body, comprising a rotating frame and an assembly platform, wherein the rotating frame comprises a column seat and a sleeve, the outer peripheral side of the column seat is movably connected with the sleeve, and a group of evenly distributed assembly platforms are fixed on the outer side of the sleeve;

[0006] Among them, the assembly table includes a base, a movable seat, a fixed seat and a clamping cylinder. The movable seat on each assembly table is located directly above the fixed seat. One side of the base is connected to the movable seat through a driving structure, and the other side of the base is fixed with a fixed seat. One of the clamping cylinders is connected to the driving motor on the inner side of the movable seat, and the other clamping cylinder is fixed to the inner side of the fixed seat. The inner wall of the clamping cylinder is evenly distributed with column grooves, and hydraulic rods are fixed in the column grooves on the inner wall of the clamping cylinder. The connecting end of each hydraulic rod is connected to a splint.

[0007] Furthermore, the driving structure on the base includes a movable groove, a servo motor and a screw rod. A movable groove is opened in the middle position of the base, an inner groove is opened on the inner wall of one side of the movable groove, a servo motor is fixed in the inner groove of the movable groove, the connecting end of the servo motor is connected to one end of the screw rod, and the other end of the screw rod is movably connected to the inner wall on the other side of the movable groove through a bearing.

[0008] Furthermore, a mounting groove is provided at the center of the inner side surface of the movable seat, a driving motor is fixed inside the mounting groove of the movable seat, and a connecting end of the driving motor is connected to the back center of one of the clamping tubes.

[0009] Furthermore, a control panel No. 1 is fixed to one side of the movable seat, a control panel No. 2 is fixed to one side of the fixed seat, a group of hydraulic rods, a drive motor and a servo motor in the clamping cylinder inside the movable seat are electrically connected to the control panel No. 1, and a group of hydraulic rods in the clamping cylinder inside the fixed seat are electrically connected to the control panel No. 2.

[0010] Furthermore, a movable block is fixed at the center position of the bottom of the movable seat, and the movable block crosses the movable groove.

[0011] Furthermore, a through hole is opened in the center of the movable block, and the screw rod crosses the through hole of the movable block and is threadedly connected with the movable block.

[0012] Furthermore, each clamping plate is an arc-shaped structure, and a rubber sleeve is provided on the outside of the clamping plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. An assembly table is provided, which can automatically clamp the pump valve body and valve stem to align the holes and automatically assemble them after the holes are aligned. During the alignment and assembly, the valve stem can always be kept facing the center hole of the pump valve body, which is beneficial to the alignment and assembly of the pump valve body and valve stem, and improves the efficiency of the alignment and assembly.

[0015] 2. A rotating frame is provided. By rotating the assembly table, each assembly table equipped with the pump valve body and valve stem after the holes are aligned can be turned away from the operating station, and the next assembly table can be turned to the operating station to perform the hole alignment operation of the next group of pump valve bodies and valve stems. In this way, the pump valve body and valve stem can be automatically assembled after the holes are aligned, and when the pump valve body and valve stem are aligned on one of the assembly tables, the pump valve body and valve stem can be loaded or unloaded on the other two assembly tables, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0017] Figure 1 It is a structural schematic diagram of a center hole device for the sealing surface of a pump valve body;

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the rotating frame;

[0019] Figure 3 It is a structural schematic diagram of the assembly platform;

[0020] Figure 4 is a structural schematic diagram of the driving structure on the base;

[0021] Figure 5 It is a structural schematic diagram of the movable seat;

[0022] Figure 6 is a structural schematic diagram of a fixed seat;

[0023] Figure 7 It is a schematic diagram of the structure of the clamping cylinder.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Rotating frame; 11. Column base; 12. Sleeve; 2. Assembly table; 21. Base; 211. Movable slot; 212. Servo motor; 213. Screw rod; 22. Movable seat; 221. Control panel No. 1; 222. Driving motor; 223. Movable block; 23. Fixed seat; 231. Control panel No. 2; 24. Clamping cylinder; 241. Hydraulic rod; 242. Clamping plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0027] See also Figure 1-3 As shown, the utility model is a center hole alignment device for the sealing surface of a pump valve body, comprising a rotating frame 1 and an assembly table 2, the rotating frame 1 comprises a column seat 11 and a sleeve 12, the outer peripheral side of the column seat 11 is movably connected with the sleeve 12, and a group of evenly distributed assembly tables 2 are fixed to the outer side of the sleeve 12.

[0028] The specific application of the above-mentioned setting is: when assembling the pump valve body and the valve stem normally, first place a group of pump valve bodies and valve stems one by one on the assembly table 2 at the operating station, and then immediately rotate the assembly table 2 to rotate the next assembly table 2 in front of the operator, and after the valve body and valve stem on the previous assembly table 2 are aligned with the holes, they are manually turned away from the operating station and automatic assembly operations are performed, and the operator again performs loading operations on the assembly table 2 in front.

[0029] Among them Figure 1 and Figure 5-7As shown, the assembly platform 2 includes a base 21, a movable base 22, a fixed base 23 and a clamping cylinder 24. The movable base 22 on each assembly platform 2 is located directly above the fixed base 23. The driving structure on the base 21 includes a movable groove 211, a servo motor 212 and a screw rod 213. The base 21 is provided with a movable groove 211 in the middle, and an inner groove is provided on one side of the inner wall of the movable groove 211. The servo motor 212 is fixed in the inner groove of the movable groove 211. The connection end of the servo motor 212 is connected to one end of the screw rod 213. The movable seat 22 is connected to each other, and the other end of the screw rod 213 is movably connected to the inner wall of the other side of the movable groove 211 through a bearing. A movable block 223 is fixed at the bottom center of the movable seat 22, and the movable block 223 crosses the movable groove 211. A through hole is opened in the center of the movable block 223. The screw rod 213 crosses the through hole of the movable block 223 and is threadedly connected to the movable block 223. One side of the base 21 is connected to the movable seat 22 through a driving structure, and the other side of the base 21 is fixed with a fixed seat 23. A control panel No. 1 221 is fixed to one side of the movable seat 22, and a mounting groove is opened in the center of the inner side surface of the movable seat 22. A driving motor 222 is fixed inside the mounting groove of the movable seat 22, and the connecting end of the driving motor 222 is connected to the back center of one of the clamping cylinders 24, and one of the clamping cylinders 24 is connected to the driving motor 222 on the inner side surface of the movable seat 22. A control panel No. 231 is fixed to one side of the fixed seat 23, and the other clamping cylinder 24 is fixed to the inner side surface of the fixed seat 23, and the inner wall of the clamping cylinder 24 is evenly distributed with A hydraulic rod 241 is fixed in the column groove on the inner wall of the clamping cylinder 24, and a clamping plate 242 is connected to the connecting end of each hydraulic rod 241. Each clamping plate 242 is an arc-shaped structure, and a rubber sleeve is provided on the outside of the clamping plate 242. A group of hydraulic rods 241, a driving motor 222 and a servo motor 212 in the clamping cylinder 24 inside the movable seat 22 are electrically connected to the No. 1 control panel 221, and a group of hydraulic rods 241 in the clamping cylinder 24 inside the fixed seat 23 are electrically connected to the No. 2 control panel 231.

[0030] The above arrangement is specifically applied as follows: when aligning the valve stem with the center hole of the pump valve body, first place the pump valve body in the clamping cylinder 24 of the fixed seat 23, and then start the second control panel 231, so that each hydraulic rod 241 on the inner wall of the clamping cylinder 24 on the fixed seat 23 synchronously drives the respective clamping plates 242 to move inward, clamping the pump valve body in the clamping cylinder 24, so that the pump valve body is located in the center of the clamping cylinder 24 on the fixed seat 23, and at this time, the center hole of the pump valve body is located on the longitudinal center axis of the clamping cylinder 24;

[0031] Then, the valve stem is placed in the clamping cylinder 24 of the movable seat 22, and then the No. 1 control panel 221 is activated, so that each hydraulic rod 241 on the inner wall of the clamping cylinder 24 on the movable seat 22 synchronously drives the respective clamping plates 242 to move inward, clamping the valve stem in the clamping cylinder 24, so that the valve stem is located at the exact center of the clamping cylinder 24 on the movable seat 22. At this time, the valve stem is also located on the longitudinal center axis of the clamping cylinder 24, and the operation of aligning the valve stem with the center hole of the pump valve body can be completed;

[0032] After the holes are aligned, the servo motor 212 and the drive motor 222 are immediately started through the No. 1 control panel 221, and then the assembly table 2 is rotated to transfer the next assembly table 2 to the operating station;

[0033] After the assembly table 2 turns away from the operating station, the servo motor 212 drives the screw to rotate, causing the movable seat 22, the clamping cylinder 24 and the valve stem to move downward as a whole, causing the valve stem to extend into the center hole of the pump valve body and cross the spring in the center hole of the pump valve body until the valve stem is inserted into the inlet of the locking nut. At this time, the driving motor 222 drives the clamping cylinder 24 and the valve stem to rotate as a whole for a specified number of turns, causing the threaded end of the valve stem to be screwed into the locking nut until the sealing surface of the valve stem is tightly abutted against the sealing surface of the center hole of the pump valve body, and the assembly is completed.

[0034] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A center hole alignment device for a pump valve body sealing surface, comprising a rotating frame (1) and an assembly table (2), characterized in that: The rotating frame (1) comprises a column seat (11) and a sleeve (12); the outer peripheral side of the column seat (11) is movably connected to the sleeve (12); and a group of evenly distributed assembly tables (2) are fixed to the outer side of the sleeve (12); The assembly platform (2) comprises a base (21), a movable base (22), a fixed base (23) and a clamping cylinder (24); the movable base (22) on each assembly platform (2) is located directly above the fixed base (23); one side of the base (21) is connected to the movable base (22) via a driving structure; the other side of the base (21) is fixed to the fixed base (23); one of the clamping cylinders (24) is connected to a driving motor (222) on the inner side of the movable base (22); another of the clamping cylinders (24) is fixed to the inner side of the fixed base (23); the inner wall of the clamping cylinder (24) is evenly distributed with column grooves; a hydraulic rod (241) is fixed in the column groove on the inner wall of the clamping cylinder (24); and the connecting end of each hydraulic rod (241) is connected to a clamping plate (242).

2. A center hole alignment device for a pump valve body sealing surface according to claim 1, characterized in that: The driving structure on the base (21) comprises a movable groove (211), a servo motor (212) and a screw rod (213); the movable groove (211) is provided at the middle of the base (21); an inner groove is provided on one inner wall of the movable groove (211); a servo motor (212) is fixed in the inner groove of the movable groove (211); a connecting end of the servo motor (212) is connected to one end of the screw rod (213); and the other end of the screw rod (213) is movably connected to the inner wall of the other side of the movable groove (211) via a bearing.

3. A center hole alignment device for a pump valve body sealing surface according to claim 1, characterized in that: A mounting groove is provided at the center of the inner side surface of the movable seat (22), a driving motor (222) is fixed inside the mounting groove of the movable seat (22), and a connecting end of the driving motor (222) is connected to the center of the back side of one of the clamping cylinders (24).

4. A center hole alignment device for a pump valve body sealing surface according to claim 1, characterized in that: A control panel number (221) is fixed to one side of the movable seat (22), a control panel number (231) is fixed to one side of the fixed seat (23), a group of hydraulic rods (241), a drive motor (222) and a servo motor (212) in the inner clamping cylinder (24) of the movable seat (22) are electrically connected to the control panel number (221), and a group of hydraulic rods (241) in the inner clamping cylinder (24) of the fixed seat (23) are electrically connected to the control panel number (231).

5. A center hole alignment device for a pump valve body sealing surface according to claim 2, characterized in that: A movable block (223) is fixed at the center position of the bottom of the movable seat (22), and the movable block (223) crosses the movable groove (211).

6. A center hole alignment device for a pump valve body sealing surface according to claim 5, characterized in that: A through hole is provided at the center of the movable block (223); the screw rod (213) passes through the through hole of the movable block (223) and is threadedly connected to the movable block (223).

7. A center hole alignment device for a pump valve body sealing surface according to claim 1, characterized in that: Each of the clamping plates (242) is an arc-shaped structure, and a rubber sleeve is provided on the outside of the clamping plate (242).

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