CN213053653U

CN213053653U - Precision tool for machining valve sleeve hole

Info

Publication number: CN213053653U
Application number: CN202021958171.2U
Authority: CN
Inventors: 吕亚民
Original assignee: Suzhou Haigor Precision Machinery Co ltd
Current assignee: Suzhou Haigor Precision Machinery Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-27
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a precision frock of processing valve sleeve hole, which comprises a base, the base passes through the fix with screw on external processing platform, and is fixed with the support frame on the base to be equipped with the step motor who is connected on the support frame, step motor's motor shaft and carousel one end center fixed connection, and evenly be fixed with driving motor through the motor frame on the carousel, driving motor has and is provided with 3, and is equipped with the trompil drill bit that is connected, the wheel and the reamer on 3 driving motor's the motor shaft respectively to interval before the driving motor equals. This precision frock of processing valve housing hole passes through step motor drive carousel and rotates fixed angle, lets trompil drill bit, reamer and the wheel of polishing carry out the trompil operation of polishing to the valve housing in proper order, makes the valve housing hole processed by the continuity, has improved the efficiency of valve housing hole processing, lets the processingquality standard in valve housing hole, has avoided valve housing processingquality to receive the manual work factor to influence.

Description

Precision tool for machining valve sleeve hole

Technical Field

The utility model relates to a valve barrel processing technology field specifically is a precision tooling who processes valve sleeve hole.

Background

The machining of the inner hole of the valve sleeve can be roughly divided into the following procedures: processing a valve sleeve bottom hole, namely, adopting a method of drilling the valve sleeve bottom hole by a gun drill and reserving semi-precision and finish machining allowance; semi-finishing the sleeve bottom hole, namely, improving the cylindricity and the finish degree of the hole by adopting a reamer reaming method to prepare for subsequent finish machining; the valve sleeve bottom hole is finely processed, and the quality of an inner hole is further improved by adopting a grinding or cutter expanding type honing method; the fine machining of the inner hole of the valve sleeve is also final machining, and a manual repairing and grinding mode is also adopted, so that the requirements of cylindricity, smoothness and the like of the inner hole are finally ensured, and burrs are removed.

Every valve barrel of processing all needs to fix a position again, and machining efficiency is low, and current national publication patent number is CN 201921701930.4's a precision tooling who processes the valve sleeve hole, through carrying out reasonable fixed to the valve barrel, lets the course of working of valve barrel swift stable, but, the device does not explain the course of working of the valve barrel after the centre gripping, and the result of processing that leads to the valve sleeve hole promotes limitedly, and consequently, prior art exists not enoughly, needs to improve it.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a precision tooling who processes valve sleeve hole to solve the not good problem of the valve sleeve hole processing mode that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a precision frock of processing valve housing hole, includes the base, the base passes through the fix with screw on external processing platform, and is fixed with the support frame on the base to be equipped with the step motor who is connected on the support frame, step motor's motor shaft and carousel one end center fixed connection, and evenly be fixed with driving motor through the motor frame on the carousel, driving motor has and is provided with 3, and is equipped with the trompil drill bit that is connected, the wheel and the reamer respectively on 3 driving motor's the motor shaft to interval before the driving motor equals, carousel upper end parallel department is equipped with the grip block that is used for the centre gripping valve housing, it sets up to round platform type structure to polish half section.

Preferably, the base is fixed with the roof through the pillar support, and roof lower extreme center is fixed with the cylinder to be equipped with the mount that is connected on the telescopic shaft of cylinder.

Preferably, the fixing frame is of an inverted U-shaped structure, a through hole is formed in a vertical rod of the fixing frame, a cross rod of a movable rod is inserted into the through hole, and the movable rod is of a 7-shaped structure.

Preferably, the lower end of the vertical rod of the movable rod is provided with a connected threaded sleeve, a bidirectional threaded rod is inserted into the threaded sleeve in a threaded mode, and threads of the bidirectional threaded rod are symmetrical with the central vertical line of the bidirectional threaded rod.

Preferably, the threaded sleeve is fixedly connected with the top end of the clamping plate, and the clamping plate is of a vertical Z-shaped structure.

Preferably, the middle end of the bidirectional threaded rod is cylindrical, the holding rod is embedded in the outer wall of the cylindrical rod, and two ends of the holding rod are of hemispherical structures.

Compared with the prior art, the beneficial effects of the utility model are that: this precision frock of processing valve housing hole passes through step motor drive carousel and rotates fixed angle, lets trompil drill bit, reamer and the wheel of polishing carry out the trompil operation of polishing to the valve housing in proper order, makes the valve housing hole processed by the continuity, has improved the efficiency of valve housing hole processing, lets the processingquality standard in valve housing hole, has avoided valve housing processingquality to receive the manual work factor to influence.

Drawings

FIG. 1 is a schematic diagram of a precision tool for machining a valve sleeve hole according to the present invention;

FIG. 2 is an enlarged view of the A point in FIG. 1 of the precision tooling for machining a valve sleeve hole of the present invention;

fig. 3 is the utility model relates to a step motor of precision tooling picture of processing valve sleeve hole connects carousel sketch map.

In the figure: 1. the device comprises a base, 2, a supporting frame, 3, a driving motor, 4, a polishing wheel, 5, a hole drilling bit, 6, a fixing frame, 7, a top plate, 8, a cylinder, 9, a movable rod, 10, a rotating disc, 11, a reamer, 12, a support, 13, a clamping plate, 14, a holding rod, 15, a threaded sleeve, 16, a bidirectional threaded rod, 17 and a stepping motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a precision tool for machining a valve sleeve hole comprises a base 1, a supporting frame 2, a driving motor 3, a grinding wheel 4, a hole drilling bit 5, a fixing frame 6, a top plate 7, a cylinder 8, a movable rod 9, a rotary table 10, a reamer 11, a support column 12, a clamping plate 13, a holding rod 14, a threaded sleeve 15, a two-way threaded rod 16 and a stepping motor 17, wherein the base 1 is fixed on an external machining platform through screws, the supporting frame 2 is fixed at the upper end of the base 1, the stepping motor 17 connected with the supporting frame 2 is arranged on the supporting frame 2, the model of the stepping motor 17 is set to be 57BYG250B, the top plate 7 is fixed on the base 1 through the support column 12 in a supporting mode, the cylinder 8 is fixed at the center of the lower end of the top plate 7, the fixing frame 6 connected with the cylinder 8 is arranged on a telescopic shaft of the cylinder 8, the cylinder 8 can flexibly drive a valve sleeve to carry, the processing operation is smoother, the fixing frame 6 is set to be of an inverted U-shaped structure, a through hole is formed in a vertical rod of the fixing frame 6, a cross rod of the movable rod 9 is inserted into the through hole, the movable rod 9 is set to be of a 7-shaped structure, the movable rod 9 can provide good preparation conditions for the moving operation of the threaded sleeve 15, the threaded sleeve 15 can move stably along a fixed track, the lower end of the vertical rod of the movable rod 9 is provided with the connected threaded sleeve 15, a bidirectional threaded rod 16 is inserted into the threaded sleeve 15 in a penetrating manner, threads of the bidirectional threaded rod 16 are symmetrical with a central vertical line of the bidirectional threaded sleeve, the bidirectional threaded rod 16 acts on the clamping plate 13 through the threaded sleeve 15 to form a clamping and limiting structure with the valve sleeve, the valve sleeve can be stably clamped at the central position of 2 clamping plates 13, the processing position of the valve sleeve is more accurate, and the threaded sleeve 15 is fixedly connected with the top end, the clamping plate 13 is arranged to be a vertical Z-shaped structure, the clamping plate 13 is arranged to enable the top end surface of the valve sleeve to be abutted by the cross rod surface of the valve sleeve, the fixing effect of the valve sleeve is firmer, the situation that the valve sleeve is displaced due to the processing action force is avoided, the middle end of the bidirectional threaded rod 16 is arranged to be cylindrical, the outer cylindrical wall of the bidirectional threaded rod is embedded with the holding rod 14, two ends of the holding rod 14 are arranged to be hemispherical structures, the holding rod 14 is convenient to apply force, the rotation operation of the bidirectional threaded rod 16 is convenient and labor-saving, a motor shaft of the stepping motor 17 is fixedly connected with the center of one end of the rotary table 10, the rotary table 10 is uniformly fixed with the driving motors 3 through the motor frame, the driving motors 3 are provided with 3, the motor shafts of the 3 driving motors 3 are respectively provided with the hole drilling bit 5, the polishing wheel 4 and the reamer 11 which are connected, the distances between the driving motors 3 are, the half section of the grinding wheel 4 is set to be of a circular truncated cone structure.

The working principle is as follows: when the precision tool for machining the valve sleeve hole is used, firstly, the two-way threaded rod 16 is operated to rotate through the holding rod 14, the two-way threaded rod 16 rotates to interact with the threaded sleeve 15 to enable the distance between the 2 threaded sleeves 15 to be shortened, the 2 clamping plates 13 clamp and fix the valve sleeve in the moving process of the threaded sleeve 15, meanwhile, the threaded sleeve 15 also drives the movable rod 9 to move, the penetrating depth of a cross rod of the movable rod 9 in the through hole of the fixed frame 6 is changed, then, the power supply of the stepping motor 17 and the driving motor 3 is turned on, different stepping motors 17 are electrified to drive the tapping drill 5, the grinding wheel 4 and the reamer 11 to rotate, the stepping motor 17 is electrified to drive the rotary table 10 to rotate, the rotary table 10 rotates to enable the positions of the tapping drill 5, the grinding wheel 4 and the reamer 11 to be adjusted, then, the power supply of the air cylinder 8 is turned on, the fixed frame 6 is driven to descend, the descending process of the valve sleeve is sequentially drilled by the rotary drilling bit 5, roughly ground by the rotary reamer 11 and finely ground by the rotary grinding wheel 4, and the process is the use process of the precision tool for machining the valve sleeve hole.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a precision frock of processing valve sleeve hole, includes base (1), base (1) is fixed on external processing platform through the screw, and is fixed with support frame (2) on base (1) to be equipped with step motor (17) that are connected on support frame (2), its characterized in that: the motor shaft and carousel (10) one end center fixed connection of step motor (17), and evenly be fixed with driving motor (3) through the motor frame on carousel (10), driving motor (3) have and are provided with 3, and are equipped with trompil drill bit (5), emery wheel (4) and reamer (11) that are connected on the motor shaft of 3 driving motor (3) respectively to interval before driving motor (3) equals, carousel (10) upper end parallel department is equipped with grip block (13) that are used for the centre gripping valve barrel, emery wheel (4) half section sets up to round platform type structure.

2. The precision tool for machining the valve sleeve hole is characterized by comprising the following components in parts by weight: the base (1) is fixedly provided with a top plate (7) through a support column (12), the center of the lower end of the top plate (7) is fixedly provided with a cylinder (8), and a telescopic shaft of the cylinder (8) is provided with a fixing frame (6) connected with the cylinder.

3. The precision tool for machining the valve sleeve hole is characterized by comprising the following steps: the U-shaped fixing frame (6) is of an inverted U-shaped structure, a through hole is formed in a vertical rod of the fixing frame (6), a cross rod of a movable rod (9) is inserted into the through hole, and the movable rod (9) is of a 7-shaped structure.

4. The precision tool for machining the valve sleeve hole is characterized by comprising the following components in parts by weight: the lower end of the vertical rod of the movable rod (9) is provided with a connected threaded sleeve (15), a bidirectional threaded rod (16) is inserted into the threaded sleeve (15) in a penetrating mode, and threads of the bidirectional threaded rod (16) are symmetrical with the central vertical line of the bidirectional threaded rod.

5. The precision tool for machining the valve sleeve hole is characterized by comprising the following steps: the threaded sleeve (15) is fixedly connected with the top end of the clamping plate (13), and the clamping plate (13) is of a vertical Z-shaped structure.

6. The precision tool for machining the valve sleeve hole is characterized by comprising the following steps: the middle end of the bidirectional threaded rod (16) is cylindrical, the outer wall of the cylindrical shape of the bidirectional threaded rod is embedded with the holding rod (14), and two ends of the holding rod (14) are of hemispherical structures.