CN215966438U

CN215966438U - Valve core taper hole positioning device of hydraulic servo valve

Info

Publication number: CN215966438U
Application number: CN202122185740.5U
Authority: CN
Inventors: 王小雄
Original assignee: Jiangsu Jiadeli Intelligent Technology Co ltd
Current assignee: Jiangsu Jiadeli Intelligent Technology Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-03-08
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a hydraulic servo valve core taper hole positioning device, and relates to the field of servo valve taper hole positioning devices. Through the centre gripping arc board one that sets up, centre gripping arc board two, the threaded rod two, the thread bush, mutually support between T shape slider and the spring, can be through pulling both sides centre gripping arc board two, it is tensile to drive the both sides spring, make the case work piece be located between both sides centre gripping arc board two, make it under the pulling force of both sides spring, extrude the front and back side of case work piece, tentatively fix, rotate threaded rod two again, the thread bush that makes left and right sides drive both sides centre gripping arc board one simultaneously and removes to the middle part, it is fixed to the side centre gripping of the left and right sides of case work piece, it is fixed to have realized carrying out the centre gripping to the case work piece of different diameters size, and the practicability is improved.

Description

Valve core taper hole positioning device of hydraulic servo valve

Technical Field

The utility model relates to a positioning device for a conical hole of a servo valve, in particular to a positioning device for a conical hole of a valve core of a hydraulic servo valve.

Background

A hydraulic servo valve is a hydraulic control valve with output quantity and input quantity in a certain functional relation and capable of quickly responding, and is an important element of a hydraulic servo system, wherein a conical hole needs to be formed in the circle center when a valve core is manufactured, and the position of the conical hole needs to be positioned before the hole is formed so as to avoid the condition that the conical hole is askew.

When the prior servo valve taper hole positioning device is used, a plurality of defects and shortcomings exist, and the specific needs for improvement are as follows:

1. most of the existing valve core taper hole positioning devices are simple in structure, only the valve cores with fixed sizes can be punched, and when the valve cores with different diameters are punched, the valve core fixing base needs to be replaced, so that time and labor are wasted;

2. when current perforating device was fixed a position before punching, mostly relied on staff's daily experience accumulation, the manual position to the locating hole is tentatively drilled, and when relying on experience to tentatively drill, can appear the condition that the hole was beaten deeply, if the deviation appears, the later stage is not convenient for change the hole, is unfavorable for subsequent taper hole and sets up the operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a valve core taper hole positioning device of a hydraulic servo valve, and the device is used for solving the problems that most of the existing valve core taper hole positioning devices in the background technology are simple in structure, only a valve core with a fixed size can be punched, when the valve cores with different diameters are punched, a valve core fixing base needs to be replaced, time and labor are wasted, and the existing punching devices are mostly accumulated by the daily experience of workers when positioning before punching, the positions of positioning holes are manually preliminarily drilled, and when the preliminary drilling is carried out by the experience, the situation of hole drilling depth can occur, if deviation occurs, the hole is inconvenient to change later, and the subsequent taper hole drilling operation is not facilitated.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hydraulic pressure servovalve case taper hole positioner, includes the bottom plate, square spout has been seted up at the upper surface middle part of bottom plate, the top left and right sides of square spout all is provided with centre gripping arc board one, T shape spout, two have all been seted up at side middle part around the upper surface of bottom plate the top of T shape spout all is provided with centre gripping arc board two, the upper surface rear right side fixedly connected with slide bar of bottom plate, there is threaded rod one upper surface rear left side of bottom plate through a rotation of bearing, the top of bottom plate is provided with the fly leaf, the front side fixed mounting of fly leaf has the motor, the below of motor is provided with the crown plate.

As a preferable technical scheme of the utility model, a control switch is fixedly installed on the left side of the upper surface of the bottom plate, and the output end of the control switch is electrically connected with the input end of the motor.

As a preferred technical scheme, a second threaded rod is arranged in the square sliding groove, both the left side and the right side of the second threaded rod are in threaded connection with threaded sleeves, the threaded sleeves are matched with the square sliding groove, and the upper ends of the two threaded sleeves are respectively and fixedly connected with the first clamping arc plates on the two sides through a first connecting rod.

According to a preferable technical scheme, the left and right threads of the second threaded rod are reversely arranged, the left and right ends of the second threaded rod are rotatably connected with the square sliding groove through the second bearing, and the left end of the second threaded rod extends to the outside of the bottom plate and is fixedly connected with the first rotating block.

As a preferred technical scheme of the utility model, T-shaped sliding blocks are respectively connected in the two T-shaped sliding grooves in a sliding manner, the upper ends of the two T-shaped sliding blocks are respectively and fixedly connected with the two clamping arc plates at the two sides through a second connecting rod, anti-skid pads are respectively arranged on the opposite surfaces of the two clamping arc plates I and the opposite surfaces of the two clamping arc plates II, springs are respectively and fixedly connected on the opposite surfaces of the two T-shaped sliding blocks, and the opposite ends of the two springs are respectively and fixedly connected with the T-shaped sliding grooves at the two sides.

As a preferable technical scheme, a sliding hole is formed in the right side of the rear of the movable plate, a threaded hole is formed in the left side of the rear of the movable plate, the sliding hole is connected with the sliding rod in a sliding mode, the threaded hole is connected with the first threaded rod in a threaded mode, and the first threaded rod is located above the movable plate and is fixedly connected with the second rotating block.

According to a preferable technical scheme of the utility model, the output shaft of the motor is fixedly connected with the conical drill, the conical drill is sleeved in a middle round hole of the ring plate, the left side and the right side of the bottom surface of the motor are fixedly connected with the spring telescopic rods, the lower movable ends of the two spring telescopic rods are fixedly connected with the ring plate, and the contraction distance of the spring telescopic rods is smaller than the height of the conical surface at the lower end of the conical drill.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the mutual cooperation of the clamping arc plate I, the clamping arc plate II, the threaded rod II, the threaded sleeve, the T-shaped sliding block and the springs, the two-side clamping arc plate II can be pulled to drive the two-side springs to stretch, so that a valve core workpiece is positioned between the two-side clamping arc plates, the front side and the rear side of the valve core workpiece are extruded under the tension of the two-side springs to be preliminarily fixed, then the threaded rod II is rotated, the threaded sleeves on the left side and the right side simultaneously drive the two-side clamping arc plates I to move towards the middle part, and the left side and the right side of the valve core workpiece are clamped and fixed, so that the valve core workpieces with different diameters are clamped and fixed, and the practicability is improved.

2. According to the utility model, through the mutual matching of the first threaded rod, the movable plate, the annular plate, the conical drill and the spring telescopic rods, the conical drill can be driven to rotate by the motor, the first threaded rod is rotated, the movable plate drives the motor to move downwards until the annular plate is contacted with the surface of a workpiece, and then the annular plate continuously rotates to push the spring telescopic rods at two sides to contract, so that a drill bit at the lower end of the conical drill cannot be deeply ground through the blocking of the annular plate, the situation that a positioning hole is deeply ground is avoided, and a good positioning effect is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional perspective view of a base plate according to the present invention;

FIG. 3 is a perspective view of the threaded rod of the present invention;

FIG. 4 is a schematic perspective view of the motor of the present invention;

FIG. 5 is a schematic cross-sectional perspective view of the telescopic rod of the present invention.

In the figure: the device comprises a base plate 1, a square sliding groove 2, a first clamping arc plate 3, a first 4T-shaped sliding groove, a second clamping arc plate 5, a sliding rod 6, a first 7 threaded rod 8, a movable plate 9, a motor 10, a ring plate 10, a control switch 11, a second 12 threaded rod, a threaded sleeve 13, a T-shaped sliding block 14, a spring 15, a threaded hole 16, a sliding hole 17, a conical drill 18 and a spring telescopic rod 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: the utility model provides a hydraulic pressure servo valve case taper hole positioner, comprising a base plate 1, square spout 2 has been seted up at the upper surface middle part of bottom plate 1, the top left and right sides of square spout 2 all is provided with centre gripping arc board 3, T shape spout 4 has all been seted up at side middle part around the upper surface of bottom plate 1, the top of two T shape spout 4 all is provided with centre gripping arc board two 5, the upper surface rear right side fixedly connected with slide bar 6 of bottom plate 1, there is threaded rod 7 on the left of the upper surface rear of bottom plate 1 through a rotation connection of bearing, the top of bottom plate 1 is provided with fly leaf 8, the front side fixed mounting of fly leaf 8 has motor 9, the below of motor 9 is provided with crown plate 10.

The upper surface left side fixed mounting of bottom plate 1 has control switch 11, through setting up control switch 11, can be convenient for control motor 9 to rotate, and control switch 11's output is connected with motor 9's input electricity.

Be provided with two 12 threaded rods in the square chute 2, the equal threaded connection in the left and right sides of two 12 threaded rods has thread bush 13, and

thread bush

13 and 2 looks adaptations of square chute, through setting up

thread bush

13 and 2 looks adaptations of square chute, can make two 12 threaded rods can not drive thread bush 13 and rotate simultaneously when rotating, thereby realize the smooth removal of both sides centre gripping arc board 3, and the upper end of two thread bushes 13 all through connecting rod one respectively with both sides centre gripping arc board 3 fixed connection.

The left and right side screw thread of two 12 threaded rods is reverse setting, and through the reverse setting with the both sides screw thread of two 12 threaded rods, can make both sides centre gripping arc board 3 carry out reverse movement simultaneously, and both ends all are rotated with square spout 2 through bearing two about two 12 threaded rods and are connected, and the left end of two 12 threaded rods extends to the outer fixedly connected with turning block one of bottom plate 1.

Equal sliding connection has T shape slider 14 in two T shape spouts 4, two T shape sliders 14's upper end all through connecting rod two respectively with two 5 fixed connection of both sides centre gripping arc board, through setting up T shape spout 4 and T shape slider 14, can make two 5 more stable when moving of both sides centre gripping arc board, and all be provided with the slipmat on the opposite face of two centre gripping arc boards 3 and the opposite face of two centre gripping arc boards two 5, equal fixedly connected with spring 15 on two T shape sliders 14's the opposite face, through setting up spring 15, can make two 5 of both sides centre gripping arc boards draw close to the middle part simultaneously, thereby realize the preliminary fixed to the case work piece, and two 15 the looks remote ends of spring respectively with two 4 fixed connection of both sides T shape spouts.

The right side of the rear of the movable plate 8 is provided with a sliding hole 17, the movable plate 8 can drive the motor 9 to stably move up and down by rotating the first threaded rod 7 through the mutual matching of the first threaded rod 7, the sliding rod 6, the threaded hole 16 and the sliding hole 17, so that valve core workpieces with different heights are positioned, the left side of the rear of the movable plate 8 is provided with the threaded hole 16, the sliding hole 17 is slidably connected with the sliding rod 6, the threaded hole 16 is in threaded connection with the first threaded rod 7, and the first threaded rod 7 is fixedly connected with a second rotating block above the movable plate 8.

Fixedly connected with toper bores 18 on motor 9's the output shaft, and the toper bores 18 cover and establishes in the middle part round hole of crown plate 10, the equal fixedly connected with spring telescopic link 19 in the bottom surface left and right sides of motor 9, through setting up crown plate 10 and spring telescopic link 19, when can making toper bore 18 punch the work piece in advance, stop through crown plate 10, it is darker to make the toper bore 18 lower extreme drill bit can not polish, good location effect has been played, and the below expansion end of two spring telescopic links 19 all with crown plate 10 fixed connection, and the shrink distance of spring telescopic link 19 is less than the height that the toper bored 18 lower extreme conical surface.

The method comprises the following operation steps:

when the valve core is used, firstly, the two clamping arc plates 5 on the two sides are pulled to enable the T-shaped sliding block 14 to move in the T-shaped sliding groove 4, meanwhile, the springs 15 on the two sides are driven to stretch, so that a valve core workpiece is located between the two clamping arc plates 5 on the two sides, and then the two clamping arc plates 5 on the two sides are loosened to enable the valve core workpiece to be extruded from the front side and the rear side under the pulling force of the springs 15 on the two sides, so that preliminary fixing is carried out;

then, the second threaded rod 12 is rotated, the first clamping arc plates 3 on the left side and the right side are driven by the threaded sleeves 13 on the left side and the right side to move towards the middle part simultaneously, the left side and the right side of the valve core workpiece are clamped and fixed, then the motor 9 is controlled by the control switch 11 to drive the conical drill 18 to rotate, the first threaded rod 7 is rotated, the movable plate 8 drives the motor 9 to move downwards until the annular plate 10 is in contact with the surface of the workpiece, the annular plate 10 continuously rotates again, the annular plate 10 pushes the spring telescopic rods 19 on the two sides to contract, and meanwhile, the conical drill 18 leaves shallow dents on the surface of the workpiece to complete positioning.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic pressure servovalve case taper hole positioner, includes bottom plate (1), its characterized in that: square spout (2) have been seted up at the upper surface middle part of bottom plate (1), the top left and right sides of square spout (2) all is provided with centre gripping arc board (3), T shape spout (4), two have all been seted up at rear side middle part before the upper surface of bottom plate (1) the top of T shape spout (4) all is provided with centre gripping arc board two (5), upper surface rear right side fixedly connected with slide bar (6) of bottom plate (1), the upper surface rear left side of bottom plate (1) is rotated through bearing and is connected with threaded rod one (7), the top of bottom plate (1) is provided with fly leaf (8), the front side fixed mounting of fly leaf (8) has motor (9), the below of motor (9) is provided with crown plate (10).

2. The spool taper hole positioning device of a hydraulic servo valve according to claim 1, wherein: the upper surface left side fixed mounting of bottom plate (1) has control switch (11), the output of control switch (11) is connected with the input electricity of motor (9).

3. The spool taper hole positioning device of a hydraulic servo valve according to claim 1, wherein: be provided with threaded rod two (12) in square spout (2), the equal threaded connection in the side has thread bush (13) about threaded rod two (12), and thread bush (13) and square spout (2) looks adaptation, and the upper end of two thread bushes (13) all through connecting rod one respectively with both sides centre gripping arc board (3) fixed connection.

4. The hydraulic servo valve spool taper hole positioning device of claim 3, wherein: the side screw thread about threaded rod two (12) is reverse setting, and both ends all rotate with square spout (2) through bearing two about threaded rod two (12) and be connected, and the left end of threaded rod two (12) extends to bottom plate (1) outer fixedly connected with turning block one.

5. The spool taper hole positioning device of a hydraulic servo valve according to claim 1, wherein: two equal sliding connection has T shape slider (14) in T shape spout (4), two the upper end of T shape slider (14) all through connecting rod two respectively with both sides centre gripping arc board two (5) fixed connection, and all be provided with the slipmat on the opposite face of two centre gripping arc boards (3) and the opposite face of two centre gripping arc boards two (5), two equal fixedly connected with spring (15) on the opposite face of T shape slider (14), and the looks remote site of two springs (15) respectively with both sides T shape spout (4) fixed connection.

6. The spool taper hole positioning device of a hydraulic servo valve according to claim 1, wherein: the rear right side of the movable plate (8) is provided with a sliding hole (17), the rear left side of the movable plate (8) is provided with a threaded hole (16), the sliding hole (17) is in sliding connection with the sliding rod (6), the threaded hole (16) is in threaded connection with the first threaded rod (7), and the first threaded rod (7) is located above the movable plate (8) and is fixedly connected with the second rotating block.

7. The spool taper hole positioning device of a hydraulic servo valve according to claim 1, wherein: fixedly connected with toper is bored (18) on the output shaft of motor (9), and toper bores (18) cover and establish in the middle part round hole of crown plate (10), the equal fixedly connected with spring telescopic link (19) in the bottom surface left and right sides of motor (9), and the below expansion end of two spring telescopic links (19) all with crown plate (10) fixed connection, and the shrink distance of spring telescopic link (19) is less than the height that toper bored (18) lower extreme conical surface.