CN115056165A

CN115056165A - Pressure-adjustable compressing floating device

Info

Publication number: CN115056165A
Application number: CN202210817492.8A
Authority: CN
Inventors: 庄法保
Original assignee: Shenzhen Chunzheng Machinery Equipment Co ltd
Current assignee: Shenzhen Chunzheng Machinery Equipment Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-09-16

Abstract

The invention belongs to the technical field of compressing floating devices, and particularly relates to a pressure-adjustable compressing floating device which comprises a motor and a speed reducer, wherein the left end of the motor is connected with a screw rod, the right end of the motor is fixedly provided with the speed reducer, the outer wall of the screw rod is nested with a ring body, the outer wall of the screw rod is screwed with a floating block, the left side of the outer wall of the screw rod is in threaded connection with a nut, and the nut is positioned on the screw rod and slides left and right. According to the invention, after the position of the nut on the screw rod is adjusted, the stroke pressure of the speed reducer and the cylinder is adjusted, so that the nut is kept at the adjusted position, when the nut exceeds the internal pressure values of the speed reducer and the cylinder, the stroke of the speed reducer and the cylinder is collapsed, the nut is floated, pressed and followed, the screw rod adjusting mechanism is protected, the purpose of pressing and floating is further achieved, the phenomenon that continuous production is stopped due to the fact that the mechanism cannot be collapsed when a certain resistance value is met is favorably avoided, and the nut is suitable for various pressures.

Description

Pressure-adjustable compressing floating device

Technical Field

The invention relates to the technical field of compressing floating devices, in particular to a compressing floating device with adjustable pressure.

Background

In the machining process, when a workpiece is machined by a machining part rotating at a high speed, the workpiece to be machined is driven to vibrate, the initial stage of the vibration is not perceptible, and when the vibration is visible by naked eyes, the machining precision of the workpiece to be machined is greatly reduced, and the fixed structure can be damaged by continuous vibration, so that the workpiece with higher precision requirement is currently pressed and floated.

The prior patent (publication number: CN202022510391.5) and a floating pressing device are provided, which can generate different extrusion forces to a spring through the sliding fit of a sliding cylinder and a guide sleeve, thereby facilitating the relative sliding adjustment of an adjusting ejector rod in the pressing cylinder and further facilitating the adjustment of the position of a pressing sheet, enabling the pressing sheet to press and fix a workpiece with proper force, facilitating the rapid connection and disassembly between the guide sleeve and a plurality of connecting plates through a plurality of connecting bolts with higher use reliability, thereby facilitating the rapid connection and disassembly between the guide sleeve and a mounting seat, facilitating the rapid connection and disassembly between two guide half cylinders through a plurality of mounting bolts, thereby facilitating the rapid connection and disassembly between the two guide half cylinders and the sliding cylinder, therefore, the floating pressing device is convenient for the maintenance or replacement of each part, and has lower maintenance cost after damage, the practicality is higher, however this device is meetting certain resistance value, leads to the nut can't burst and contracts, causes the mechanism to damage, and then leads to production to stop, does not have adjustable pressure's lead screw, can't adapt to various pressure.

Therefore, we propose adjustable pressure sticiss floating installation, behind adjusting nut position on the lead screw, through adjusting the reduction gear, the stroke pressure of cylinder, make the nut keep in the position of adjusting, meet when the nut and exceed the reduction gear, behind the pressure value in the cylinder, by the reduction gear, the ulcerate contracts appears in the stroke of cylinder, it sticiss to follow to form to float the nut, and play protection lead screw adjustment mechanism, and then reach and sticis floated the purpose, be favorable to avoiding because unable the ulcerate contracts when meetting certain resistance value and cause the mechanism to damage, lead to and continue to produce and stop, be favorable to adapting to various pressures.

Disclosure of Invention

The invention aims to provide a pressure-adjustable compressing floating device to solve the problems that a nut cannot be collapsed when a certain resistance value is met, a mechanism is damaged, production is stopped, and various pressures cannot be adapted to a lead screw without pressure-adjustable screws in the conventional compressing floating device in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: adjustable pressure sticiss floating installation, including motor and reduction gear, its characterized in that: the left end of the motor is connected with a screw rod, the right end of the motor is fixedly provided with a speed reducer, the outer wall of the screw rod is nested with a ring body, the outer wall of the screw rod is screwed with a floating block, the left side of the outer wall of the screw rod is in threaded connection with a nut, the nut is positioned on the left and right sides of the screw rod to slide, and a pressing power part is arranged below the motor and the speed reducer.

Preferably, the ring bodies are located between the floating blocks and the speed reducer, the number of the ring bodies is a plurality of groups, and the ring bodies are connected end to end.

Preferably, the right end of the speed reducer is clamped with a rear frame, the front side and the rear side of the left end of the rear frame are fixedly provided with a protective wing, the position of the protective wing corresponds to the position of the motor and the position of the speed reducer, a hole body is fixed on the rear plate of the rear frame, the hole body is clamped and fixed with the speed reducer, and the top of the rear frame is fixedly provided with a top plate.

Preferably, a front frame is fixedly mounted on the left side of the bottom of the top plate, a through hole is formed in the left side of a plate body of the front frame, the floating block penetrates through the through hole correspondingly, and the front frame and the top plate are fixed in a sliding mode through a connecting block.

Preferably, the air cylinder is installed below the motor and the speed reducer, and air pressure rods at the left end and the right end of the air cylinder are connected with the speed reducer corresponding to the motor respectively.

Preferably, the reducer drives the motor to move left and right, and the cylinder is opened and closed synchronously along with the left and right movement of the motor.

Preferably, the air pressure rod on the right side of the air cylinder penetrates through the rear frame, and the air pressure rod on the right side of the air cylinder moves synchronously along with the speed reducer.

Compared with the prior art, the invention has the beneficial effects that:

according to the pressure-adjustable compressing floating device, the screw rod, the nut, the speed reducer and the cylinder are arranged, after the position of the nut on the screw rod is adjusted, the nut is kept at the adjusted position by adjusting the stroke pressure of the speed reducer and the cylinder, when the nut exceeds the internal pressure value of the speed reducer and the cylinder, the stroke of the speed reducer and the cylinder collapses, the nut is subjected to floating compressing following, the screw rod adjusting mechanism is protected, the purpose of compressing and floating is achieved, the phenomenon that continuous production is stopped due to the fact that the mechanism cannot collapse when a certain resistance value is met is avoided, and the pressure-adjustable compressing floating device is beneficial to being suitable for various pressures.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the adjustable pressure compressing floating device of the invention;

fig. 2 is a schematic diagram of an overall split structure of the adjustable pressure compressing floating device of the invention;

fig. 3 is a schematic structural view of a front frame of the adjustable pressure compressing floating device of the invention;

fig. 4 is a schematic structural view of a rear frame of the adjustable pressure compressing floating device of the invention;

fig. 5 is a schematic structural view of the top frame of the adjustable pressure compressing floating device of the invention.

In the figure: 1. a nut; 2. a screw rod; 3. a slider; 4. a front frame; 5. a top plate; 6. a rear frame; 7. a motor; 8. a ring body; 9. a joining block; 10. a speed reducer; 11. a pneumatic rod; 12. and a cylinder.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: the adjustable pressure compressing floating device comprises a motor 7 and a speed reducer 10, wherein the left end of the motor 7 is connected with a screw rod 2, the right end of the motor 7 is fixedly provided with the speed reducer 10, the outer wall of the screw rod 2 is nested with a ring body 8, the outer wall of the screw rod 2 is screwed with a floating block 3, the left side of the outer wall of the screw rod 2 is in threaded connection with a nut 1, the nut 1 is positioned on the screw rod 2 to slide left and right, and a compressing power component is arranged below the motor 7 and the speed reducer 10;

after adjusting nut 1 is put on lead screw 2, through adjusting reduction gear 10, the stroke pressure of cylinder 12, make nut 1 keep in the position of adjusting, meet when nut 1 and exceed reduction gear 10, behind the pressure value in the cylinder 12, by reduction gear 10, the ulcerate contracts appears in the stroke of cylinder 12, it sticiss to follow to form to float nut 1, and play protection lead screw 2 adjustment mechanism, and then reach and sticis unsteady purpose, avoid causing the mechanism to damage owing to unable the ulcerate contract when meetting certain resistance value, lead to and continue to produce and stop, adapt to various pressures, it includes the cylinder to sticis compressed the power part, hydro-cylinder and spring.

The ring bodies 8 are positioned between the floating block 3 and the speed reducer 10, the number of the ring bodies 8 is a plurality of groups, and the ring bodies 8 are connected end to end;

the ring body 8 needs to carry out the adjustment of quantity according to actual conditions, and the ring body 8 needs end to its fixity of maintenance value, multiunit ring body 8 all is located the ring body 8 and is located between slider 3 and the reduction gear 10 simultaneously, need notice its fixed mounting who does not influence the piece 9 that links up simultaneously.

The rear frame 6 is clamped at the right end of the speed reducer 10, wings are fixed on the front side and the rear side of the left end of the rear frame 6, the positions of the wings correspond to the positions of the motor 7 and the speed reducer 10, a hole body is fixed on the rear plate of the rear frame 6, the hole body is clamped and fixed corresponding to the speed reducer 10, and a top plate 5 is fixed on the top of the rear frame 6;

the cavity has all been seted up to front side flap and rear side flap, can adjust slider 3 and ring body 8 through the cavity of front side flap and rear side flap, also is convenient for maintain slider 3 and ring body 8 simultaneously.

The left side of the bottom of the top plate 5 is fixedly provided with a front frame 4, the left side of a plate body of the front frame 4 is provided with a through hole, the floating block 3 correspondingly penetrates through the through hole, and the front frame 4 and the top plate 5 are fixed in a sliding manner through a connecting block 9;

the through holes of the floating blocks 3 of the screw rod 2 corresponding to the front frame 4 are nested and penetrated, the bottom of the right side of the front frame 4 is provided with a hole body, the pneumatic rod 11 of the air cylinder 12 is fixed corresponding to the hole body, the front frame 4 moves along with the movement of the pneumatic rod 11 of the air cylinder 12, the connecting blocks 9 move along with the movement of the front frame 4 corresponding to the top plate 5 in a sliding manner, namely, the connecting blocks 9 and the front frame 4 move synchronously.

Wherein, an air cylinder 12 is arranged below the motor 7 and the speed reducer 10, and air pressure rods 11 at the left and right sliding ends of the air cylinder 12 are respectively connected with the motor 7 and the speed reducer 10 correspondingly;

the pneumatic rods 11 at the two ends of the cylinder 12 are correspondingly nested at the bottom of the right end of the front frame 4 and the bottom of the right end of the rear frame 6 respectively, the cylinder 12 is composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device, and the cylinder 12 converts the pressure energy of input liquid into mechanical energy of the piston in linear motion.

The reducer 10 drives the motor 7 to move left and right, and the cylinder 12 is opened and closed synchronously along with the left and right movement of the motor 7;

the reducer 10 converts the pressure energy of the compressed gas into the pneumatic actuator of the mechanical energy through the pneumatic transmission, and then the reducer 10 makes the reciprocating linear motion, the piston is a pressure-bearing part in the reducer 10, which can prevent the mutual air leakage of the left and right cavities of the piston, and a piston seal ring is needed to be arranged, the guide performance of the reducer 10 can be improved by a wear-resisting ring on the piston, the abrasion of the piston seal ring is reduced, the friction resistance is reduced, when the hydraulic cylinder moves to the stroke end, the hydraulic cylinder has larger kinetic energy, if the hydraulic cylinder does not perform the speed reduction treatment, the mechanical collision between the piston of the hydraulic cylinder and the cylinder cover occurs, the impact and the noise are generated, the damage is destructive, and in order to mitigate and prevent the damage, therefore, the speed reduction device can be arranged in the hydraulic circuit or the buffer device is arranged in the cylinder body, when the nut 1 floats at high frequency, only depending on the buffer structure in the cylinder body, the friction of the high frequency is further increased, the problem of jamming is easily caused in the sliding process.

The right side air pressure rod 11 of the air cylinder 12 penetrates through the rear frame 6, and the right side air pressure rod 11 of the air cylinder 12 moves synchronously with the speed reducer 10;

the principle of the reducer 10 is that the air pressure is increased through a piston, then the air pressure is transmitted to convert the pressure of the compressed air into mechanical energy, a driving mechanism linearly reciprocates or swings and rotates, the compressed air is input into a rodless cavity, or the compressed air is exhausted from a rod cavity, or the pressure difference between two cavities of the reducer 10 acts on the force formed on the piston to push the piston to move, so that a piston rod extends out, when the rod cavity is filled with air and the rodless cavity is exhausted, the piston rod retracts, if the rod cavity and the rodless cavity alternately fill air and exhaust the piston can do reciprocating linear motion, the reducer 10 can adopt the mode that the compressed air enters from one side of the piston, the working stroke of the reducer 10 is limited to one direction, and the piston of the reducer 10 can return to the original position under the action of a spring, gravity or other external force, or according to the actual adjustment, the air pressure is arranged on both sides of a piston in the speed reducer 10 to realize the advancing or retreating action, when compressed air is alternately introduced and discharged on both sides of the piston, the piston moves towards two directions, and the moving speeds of the two directions can be controlled by adjusting the air pressure.

The working principle is as follows: the device adult is protected by the front frame 4 and the rear frame 6, after the adjusting nut 1 is positioned on the screw rod 2, the nut 1 is kept at the adjusted position by adjusting the stroke pressure of the speed reducer 10 and the air cylinder 12, when the nut 1 exceeds the internal pressure value of the speed reducer 10 and the air cylinder 12, the stroke of the speed reducer 10 and the air cylinder 12 collapses to form floating, pressing and following of the nut 1, and the adjusting mechanism of the screw rod 2 is protected, so that the purpose of pressing and floating is achieved, the floating block 3 of the screw rod 2 is nested and penetrated through the through hole of the front frame 4, the right side bottom of the front frame 4 is provided with a hole body, the air pressure rod 11 of the air cylinder 12 is fixed corresponding to the hole body, the front frame 4 moves along with the movement of the air pressure rod 11 of the air cylinder 12, the connecting block 9 slides and moves along with the movement of the front frame 4 corresponding to the top plate 5, namely the connecting block 9 and the front frame 4 synchronously move, and the mechanism damage caused by the incapability of collapsing when a certain resistance value is met is avoided, resulting in the stop of continuous production and adaptation to various pressures.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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. Adjustable pressure sticiss floating installation, including motor (7) and reduction gear (10), its characterized in that: the left end of the motor (7) is connected with the screw rod (2), the right end of the motor (7) is fixedly provided with the speed reducer (10), the outer wall of the screw rod (2) is embedded with the ring body (8), the outer wall of the screw rod (2) is screwed with the floating block (3), the left side of the outer wall of the screw rod (2) is in threaded connection with the nut (1), the nut (1) is located on the left and right sides of the screw rod (2) to slide, and the motor (7) and the speed reducer (10) are installed below and tightly press the power component.

2. The adjustable pressure compaction floating device of claim 1, wherein: the ring bodies (8) are located between the floating blocks (3) and the speed reducer (10), the number of the ring bodies (8) is a plurality of groups, and the ring bodies (8) are connected end to end.

3. The adjustable pressure compaction floating device of claim 1, wherein: the rear frame (6) is clamped at the right end of the speed reducer (10), wings are fixed on the front side and the rear side of the left end of the rear frame (6), the positions of the wings correspond to those of the motor (7) and the speed reducer (10), a hole body is fixed on a rear plate of the rear frame (6), the hole body is clamped and fixed corresponding to the speed reducer (10), and a top plate (5) is fixed on the top of the rear frame (6).

4. The adjustable pressure compaction floating device of claim 3, wherein: roof (5) bottom left side fixed mounting has front truck (4), the through hole has been seted up on the plate body left side of front truck (4), slider (3) correspond the through hole and pass, slide fixedly through linking up piece (9) between front truck (4) and roof (5).

5. The adjustable pressure compaction floating device of claim 3, wherein: and an air cylinder (12) is arranged below the motor (7) and the speed reducer (10), and air pressure rods (11) at the left end and the right end of the sliding air cylinder (12) are respectively connected with the motor (7) and the speed reducer (10) correspondingly.

6. The adjustable pressure compaction floating device of claim 5, wherein: the reducer (10) drives the motor (7) to move left and right, and the cylinder (12) moves left and right along with the motor (7) and is synchronously opened and closed.

7. The adjustable pressure compaction floating device of claim 5, wherein: the air pressure rod (11) on the right side of the air cylinder (12) penetrates through the rear frame (6), and the air pressure rod (11) on the right side of the air cylinder (12) moves synchronously along with the speed reducer (10).