CN112264883A

CN112264883A - Throttle shaft slot grinding device

Info

Publication number: CN112264883A
Application number: CN202011109617.9A
Authority: CN
Inventors: 黄春岛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-01-26

Abstract

The invention relates to the technical field of throttle shaft grinding equipment, in particular to a throttle shaft long and narrow groove grinding device which comprises an equipment main body, wherein a fixed frame is fixedly connected inside the equipment main body, a driving shaft is inserted inside the fixed frame, a positioning frame is fixedly connected on the outer surface of the driving shaft, a connecting rod is rotatably connected inside the positioning frame, a reset frame is movably connected at the right end of the connecting rod through a shaft, an air cushion is fixedly connected inside the positioning frame on the left side of the reset frame, the air flow rate on the upper surface of a workpiece is increased, the pressure is reduced, chips remained on the workpiece are blown away, the appearance of the workpiece can be visually observed, the friction force of a contact point between a shielding plate and the outer surface of the driving shaft is increased, the rotating speed of the driving shaft is reduced, and the phenomenon that the chip quantity is increased due to the over-high rotating speed of the driving, thereby avoiding the generation of errors and well limiting the speed of the driving shaft.

Description

Throttle shaft slot grinding device

Technical Field

The invention relates to the technical field of throttle shaft polishing equipment, in particular to a throttle shaft long and narrow groove polishing device.

Background

The traditional engine throttle valve operating mechanism works by connecting one end of a guy cable or a pull rod with an accelerator pedal and connecting the other end of the guy cable or the pull rod with a throttle valve linkage plate, an electronic throttle valve mainly controls the opening angle of the throttle valve according to the energy required by an engine through a throttle valve position sensor so as to adjust the air inflow, and a long and narrow groove on the throttle valve shaft needs to be processed and polished in the production process of the throttle valve shaft.

However, when the existing equipment is used for polishing the throttle shaft, the polishing speed is too high, workers cannot well control the polishing amount, errors can be caused in workpiece precision, scrap iron generated by polishing remains on the workpiece after the equipment is polished, and the integral flatness of the throttle shaft groove cannot be well observed, so that repeated polishing of the equipment which is opened back and forth is avoided; accordingly, one skilled in the art provides a throttle shaft slot grinding device to solve the above problems.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a throttle shaft elongated slot polishing device, which is achieved by the following specific technical means:

a throttle shaft elongated slot polishing device comprises a device main body, wherein a fixed frame is fixedly connected inside the device main body, a driving shaft is inserted inside the fixed frame, the outer surface of the driving shaft is fixedly connected with a positioning frame, the inside of the positioning frame is rotatably connected with a connecting rod, the right end of the connecting rod is movably connected with a reset frame through a shaft, the inside of the positioning frame is positioned at the left side of the reset frame and is fixedly connected with an air cushion, the upper end of the front surface of the connecting rod is movably connected with a pull rod through a shaft, the upper end of the pull rod is movably connected with a balancing weight through a shaft, a positioning slide rail is inserted inside the balancing weight, the lower surface of the balancing weight is movably connected with a crank connecting rod, the lower end of the crank connecting rod is movably connected with a movable plate through a shaft, the left side surface of the movable, the novel electric current transformer is characterized in that the inside of the positioning frame is located below the movable plate and fixedly connected with a conductive head, the inside of the positioning frame is located below the reset spring and fixedly connected with a limiting spring, the lower surface of the limiting spring is fixedly connected with a sliding plate, the upper surface of the sliding plate is located below the conductive head and fixedly connected with an electric connection head, the inside of the fixing frame is fixedly connected with a limiting column, a shielding plate is sleeved outside the limiting column, and the outside of the fixing frame, which is located inside the shielding plate, is movably connected with an electric current transformer.

As optimization, the inside fixedly connected with of locating rack and the mutual slide rail that matches of frame that resets, the inside of locating rack is seted up and is connected the spout that the electric head matches each other.

As optimization, the pull rods are distributed in a bilateral symmetry mode by the aid of the vertical center line of the balancing weight.

Preferably, the crank connecting rods are distributed in a left-right symmetrical mode with the vertical center line of the return spring.

And optimally, the moving plate is distributed in a bilateral symmetry mode by using the vertical central line of the return spring, and the inside of the positioning frame is fixedly connected with sliding rails matched with the moving plate.

Preferably, the upper surface of the electric connecting head is provided with an arc-shaped groove matched with the conductive head.

The main materials of the electrorheological fluid are gypsum, lime, carbon powder and olive oil, and the electrorheological fluid is in a solid state under a current-carrying state with a specified current amount and in a liquid state under a non-current-carrying state.

The invention has the following beneficial effects:

1. this throttle shaft slot grinding device through making the plastic gasbag of movable plate extrusion to make the inside atmospheric pressure of plastic gasbag change, thereby make the gas outgoing of plastic gasbag with inside, thereby make the combustion gas blow through from the upper surface of work piece, thereby make the air velocity on the work piece upper surface accelerate, thereby make pressure reduce, thereby make the smear metal that remains on the work piece blow open, thereby can audio-visually observe the outward appearance of work piece, observe the luminance on work piece surface simultaneously.

2. According to the throttle shaft elongated slot grinding device, the electrofluid is changed into a solid, so that the friction force of the contact point of the shielding plate and the outer surface of the driving shaft is increased, the rotating speed of the driving shaft is reduced, the situation that the cutting amount is increased due to the fact that the rotating speed of the driving shaft is too high is avoided, errors are avoided, and the speed of the driving shaft can be well limited.

Drawings

FIG. 1 is a schematic top sectional view of the main body of the apparatus of the present invention.

FIG. 2 is a schematic view of a connecting rod structure according to the present invention.

Fig. 3 is an enlarged view of the area a in fig. 2.

Fig. 4 is a schematic structural view of the fixing frame of the present invention.

Fig. 5 is an enlarged view of the region B in fig. 4.

In the figure: 1. an apparatus main body; 2. a fixed mount; 3. a drive shaft; 4. a positioning frame; 5. a connecting rod; 6. a reset frame; 7. an air cushion; 8. a pull rod; 9. a balancing weight; 10. positioning the slide rail; 11. a crank connecting rod; 12. moving the plate; 13. a moldable gas bag; 14. a return spring; 15. a conductive head; 16. a limiting spring; 17. a sliding plate; 18. connecting a power head; 19. a limiting column; 20. a shielding plate; 21. an electrorheological fluid.

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.

Referring to fig. 1-5, a throttle shaft elongated slot polishing device comprises a device body 1, a fixed frame 2 is fixedly connected inside the device body 1, a driving shaft 3 is inserted inside the fixed frame 2, a positioning frame 4 is fixedly connected to the outer surface of the driving shaft 3, a slide rail matched with a reset frame 6 is fixedly connected inside the positioning frame 4, a slide groove matched with an electric connector 18 is formed inside the positioning frame 4, a connecting rod 5 is rotatably connected inside the positioning frame 4, a reset frame 6 is movably connected to the right end of the connecting rod 5 through a shaft, an air cushion 7 is fixedly connected to the left side of the reset frame 6 inside the positioning frame 4, a pull rod 8 is movably connected to the upper end of the front surface of the connecting rod 5 through a shaft, the pull rod 8 is bilaterally symmetrically distributed with the vertical central line of a counterweight 9, a counterweight 9 is movably connected to the upper end of the pull rod 8 through a shaft, a positioning slide rail 10 is inserted, the lower surface of the balancing weight 9 is movably connected with a crank connecting rod 11.

The crank connecting rod 11 is distributed in bilateral symmetry with the vertical central line of the reset spring 14, the lower end of the crank connecting rod 11 is movably connected with the moving plate 12 through a shaft, the moving plate 12 is distributed in bilateral symmetry with the vertical central line of the reset spring 14, the inside of the positioning frame 4 is fixedly connected with a slide rail matched with the moving plate 12, the left side surface of the moving plate 12 is fixedly connected with the plastic air bag 13, the right side surface of the moving plate 12 is movably connected with the reset spring 14, the inside of the positioning frame 4 is fixedly connected with the conductive head 15 below the moving plate 12, the air pressure inside the plastic air bag 13 is changed by enabling the moving plate 12 to extrude the plastic air bag 13, so that the plastic air bag 13 discharges the gas inside, the discharged gas blows over the upper surface of the workpiece, the air flow rate on the upper surface of the workpiece is accelerated, the pressure is reduced, and the cuttings remained on the workpiece are blown, therefore, the appearance of the workpiece can be visually observed, and the brightness of the surface of the workpiece can be observed at the same time.

The inside of the locating rack 4 is located below the return spring 14 and is fixedly connected with a limiting spring 16, the lower surface of the limiting spring 16 is fixedly connected with a sliding plate 17, the upper surface of the sliding plate 17 is located below the conductive head 15 and is fixedly connected with an electric connection head 18, the upper surface of the electric connection head 18 is provided with an arc-shaped groove matched with the conductive head 15, the inside of the fixing rack 2 is fixedly connected with a limiting column 19, the outside of the limiting column 19 is sleeved with a shielding plate 20, the inside of the fixing rack 2 is located outside the shielding plate 20 and is movably connected with an electrorheological body 21, the main materials of the electrorheological body 21 are gypsum, lime, carbon powder and olive oil, the electrorheological body 21 is in a solid state under an electrified state and in a non-electrified state of a specified current amount, the friction force of the outer surface contact point of the shielding plate 20 and the driving shaft 3 is increased by changing the electrorheological body 21, therefore, the situation that the cutting amount is increased due to the fact that the rotating speed of the driving shaft 3 is too high is avoided, errors are avoided, and the driving shaft 3 can be well limited.

When using, through opening outside driving source, thereby make equipment normally work, when equipment switches on at that time, thereby make drive shaft 3 rotate, when drive shaft 3 is at the pivoted in-process, thereby produce the centrifugal force to the outside, the centrifugal force that produces is greater than the restoring force of spring, thereby make balancing weight 9 to the side of keeping away from drive shaft 3 remove, thereby make balancing weight 9 remove in the outside of location slide rail 10, simultaneously make pull rod 8 on the left side of balancing weight 9 follow and remove, thereby make pull rod 8 drive connecting rod 5 on the left end follow the removal, thereby make reset frame 6 of connecting rod 5 lower extreme follow and remove, thereby make reset frame 6 extrude air cushion 7, thereby make the inside pressure of air cushion 7 change, thereby make the inside protection liquid of air cushion 7 extruded, thereby protect the pivot department of equipment inside, thereby avoid pivot department to rust, thereby avoiding increasing the friction force during rotation, thereby being capable of well prolonging the service life of the equipment, simultaneously, when the balancing weight 9 moves, the crank connecting rod 11 below the balancing weight 9 is synchronously carried out, thereby the crank connecting rod 11 pulls the moving plate 12 to move, thereby the plastic air bag 13 at the left side of the moving plate 12 sucks air, when the rotating speed of the driving shaft 3 is too fast, the generated centrifugal force is larger than the restoring force of the limit spring 16, thereby the sliding plate 17 extrudes the limit spring 16, the limit spring 16 generates elastic deformation, simultaneously the electric connector 18 on the sliding plate 17 is connected with the conductive head 15, thereby the circuit is closed, thereby the current variant 21 becomes solid, thereby the friction force of the contact point between the shielding plate 20 and the outer surface of the driving shaft 3 is increased, thereby the rotating speed of the driving shaft 3 is reduced, thereby avoiding the cutting amount from being increased due to the too fast rotating speed of the, thereby avoiding the generation of errors, when the rotating speed is reduced, the restoring force of the limiting spring 16 is larger than the centrifugal force, thereby breaking the electrical circuit and causing the electrorheological fluid 21 to become liquid, thereby keeping the drive shaft 3 operating normally, thereby limiting the speed of the driving shaft 3 well, reducing the generated centrifugal force when the equipment is finished, so that the restoring force of the return spring 14 is greater than the centrifugal force, thereby causing the moving plate 12 to press the moldable gas cell 13, so that the air pressure in the plastic air bag 13 is changed, and the plastic air bag 13 discharges the air in the plastic air bag, thereby the discharged gas is blown over the upper surface of the workpiece, so that the air velocity on the upper surface of the workpiece is accelerated, thereby reducing the pressure and blowing away the chips remaining on the workpiece, so that the appearance of the workpiece can be visually observed and the brightness of the surface of the workpiece can be observed.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a throttle shaft slot grinding device, includes equipment main part (1), its characterized in that: the device comprises a device main body (1), wherein a fixing frame (2) is fixedly connected inside the device main body (1), a driving shaft (3) is inserted inside the fixing frame (2), a positioning frame (4) is fixedly connected to the outer surface of the driving shaft (3), a connecting rod (5) is rotatably connected inside the positioning frame (4), a reset frame (6) is movably connected to the right end of the connecting rod (5) through a shaft, an air cushion (7) is fixedly connected to the left side of the reset frame (6) inside the positioning frame (4), a pull rod (8) is movably connected to the upper end of the front surface of the connecting rod (5) through a shaft, a balancing weight (9) is movably connected to the upper end of the pull rod (8) through a shaft, a positioning slide rail (10) is inserted inside the balancing weight (9), a crank connecting rod (11) is movably connected to the lower surface of the balancing weight (9), and a movable plate (12, the left side surface of the moving plate (12) is fixedly connected with a plastic air bag (13), the right side surface of the moving plate (12) is movably connected with a return spring (14), the inside of the positioning frame (4) is fixedly connected with a conductive head (15) below the moving plate (12), a limit spring (16) is fixedly connected with the inner part of the positioning frame (4) below the return spring (14), the lower surface of the limit spring (16) is fixedly connected with a sliding plate (17), the upper surface of the sliding plate (17) is positioned below the conductive head (15) and is fixedly connected with an electric connection head (18), a limiting column (19) is fixedly connected inside the fixing frame (2), a baffle plate (20) is sleeved outside the limiting column (19), the inside of the fixed frame (2) is positioned outside the shielding plate (20) and is movably connected with an electrorheological body (21).

2. The throttle shaft elongated slot grinding apparatus of claim 1, wherein: the inside fixedly connected with of locating rack (4) and the mutual slide rail that matches of reset shelf (6), the inside of locating rack (4) is seted up and is connected the spout that electric head (18) matches each other.

3. The throttle shaft elongated slot grinding apparatus of claim 1, wherein: the pull rods (8) are distributed in a bilateral symmetry mode by the vertical center line of the balancing weight (9).

4. The throttle shaft elongated slot grinding apparatus of claim 1, wherein: the crank connecting rods (11) are distributed in a left-right symmetrical mode by the vertical center line of the return spring (14).

5. The throttle shaft elongated slot grinding apparatus of claim 1, wherein: the movable plate (12) is distributed in a bilateral symmetry mode by the aid of the vertical center line of the return spring (14), and slide rails matched with the movable plate (12) are fixedly connected inside the positioning frame (4).

6. The throttle shaft elongated slot grinding apparatus of claim 1, wherein: the upper surface of the electric connection head (18) is provided with an arc-shaped groove matched with the conductive head (15).

7. The throttle shaft elongated slot grinding apparatus of claim 1, wherein: the main materials of the electrorheological body (21) are gypsum, lime, carbon powder and olive oil, and the electrorheological body (21) is in a solid state under a current-carrying state with a specified current amount and in a liquid state under a non-current-carrying state.