CN113953806A - Bearing press-fitting device for assembling plunger pump cylinder body - Google Patents

Bearing press-fitting device for assembling plunger pump cylinder body Download PDF

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Publication number
CN113953806A
CN113953806A CN202111338265.9A CN202111338265A CN113953806A CN 113953806 A CN113953806 A CN 113953806A CN 202111338265 A CN202111338265 A CN 202111338265A CN 113953806 A CN113953806 A CN 113953806A
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CN
China
Prior art keywords
press
rod
fitting
cavity
top end
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Pending
Application number
CN202111338265.9A
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Chinese (zh)
Inventor
王威
金丽丽
朱伟
许方富
颜建国
赵瑜
武建伟
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Research Institute of Zhejiang University Taizhou
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Research Institute of Zhejiang University Taizhou
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Application filed by Research Institute of Zhejiang University Taizhou filed Critical Research Institute of Zhejiang University Taizhou
Priority to CN202111338265.9A priority Critical patent/CN113953806A/en
Priority to PCT/CN2021/138614 priority patent/WO2023082420A1/en
Publication of CN113953806A publication Critical patent/CN113953806A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/027Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention discloses a bearing press-fitting device for assembling a plunger pump cylinder body, which relates to the technical field of bearing press-fitting assistance, and comprises a footing, a supporting structure and a positioning structure, wherein the top end of the footing is provided with a bottom plate, the middle position of the bottom end of the bottom plate is provided with a first servo motor, the output end of the first servo motor is provided with a rotating rod, the top end of the rotating rod is provided with a turntable, the two sides and the front and back ends of the top end of the turntable are respectively provided with a placing groove, the two sides of the turntable are respectively provided with a positioning groove, the two sides of the top end of the bottom plate are respectively provided with a press-fitting block, the positioning structure is positioned in the press-fitting block, the top end of the press-fitting block is respectively provided with an air cylinder, and the bottom end of the air cylinder is respectively provided with a pressure rod. The connecting rod is driven by the thread block, the push rod is pushed by the connecting rod, the push rod pushes the push plate, the push plate is contacted with the bottom end of the rotary table and forms a support for the rotary table, and the structure realizes the support for the device and prevents the device from being damaged in the press mounting process.

Description

Bearing press-fitting device for assembling plunger pump cylinder body
Technical Field
The invention relates to the technical field of bearing press-fitting assistance, in particular to a bearing press-fitting device for assembling a plunger pump cylinder body.
Background
The automatic production line can be automatically operated according to a fixed program or an instruction under the condition of a plurality of persons or no human intervention, the automatic production line is adopted in large-batch production, the labor productivity can be greatly improved, the product quality is stabilized and improved, the labor condition is improved, the production period is shortened, and remarkable economic benefits are achieved.
In the process of using the traditional bearing press-fitting device, a shaft to be installed is inserted into a clamping hole of an installation base, an air cylinder is started, a pressure head is enabled to contact with the bearing and continue to push and press the bearing downwards along the shaft, and the bearing press-fitting process is finished once.
In the process of press mounting of the traditional bearing press mounting device, the base of the traditional bearing press mounting device can bear the pressure of the cylinder, and the base is easy to damage because the two sides of the bottom end of the base are not supported.
Disclosure of Invention
The invention aims to provide a bearing press-fitting device for assembling a plunger pump cylinder body, which aims to solve the problem that a base is not supported in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a bearing press-fitting device for assembling a plunger pump cylinder body comprises a bottom foot, a supporting structure and a positioning structure;
the top end of each bottom foot is provided with a bottom plate, a first servo motor is arranged in the middle of the bottom end of the bottom plate, the output end of the first servo motor is provided with a rotating rod, the top end of the rotating rod is provided with a rotary table, two sides and the front end and the rear end of the top end of the rotary table are provided with placing grooves, positioning grooves are formed in the two sides of the rotary table, press-fitting blocks are arranged on the two sides of the top end of the bottom plate, and a positioning structure is located in the press-fitting blocks;
the top ends of the press-fitting blocks are all provided with air cylinders, the bottom ends of the air cylinders are all provided with pressure rods, the bottom ends of the pressure rods are provided with pressure plates, and the supporting structures are all located at the bottom ends inside the press-fitting blocks;
the supporting structure comprises a first cavity, the bottom inside the press mounting block is arranged in the first cavity, the bottom, close to one side of the rotating rod, of the press mounting block is provided with a second servo motor, the output end of the second servo motor is provided with a bidirectional threaded rod, the outer wall of the bidirectional threaded rod is provided with two threaded blocks through threaded connection, the top end of each threaded block is provided with a connecting rod through an articulated key connection, the top end of each connecting rod is provided with a push rod through an articulated key connection, and the top end of each push rod is provided with a push plate.
Preferably, the top end of the rotating rod penetrates through the bottom plate, and the top end of the rotating rod extends to the upper part of the bottom plate;
the bottom of the pressure rod penetrates through the press mounting block, and the bottom of the pressure rod extends to the lower side of the press mounting block.
Preferably, one end of each bidirectional threaded rod penetrates through the press mounting block and extends into the first cavity, and the bidirectional threaded rods are installed on one side of the inner portion of the first cavity through the rotating shafts.
Preferably, the top ends of the push rods penetrate through the press mounting block, and the top ends of the push rods extend to the lower side of the rotary table.
Preferably, location structure includes second cavity, inserted bar, fixed spring, magnetism slider and electro-magnet, the inside of pressure equipment piece is all seted up to the second cavity, and the electro-magnet is all installed to the inside one side of second cavity, and the inside of second cavity all is provided with the magnetism slider, the inserted bar is all installed to the one side that the electro-magnet was kept away from to the magnetism slider, and the inside inserted bar outer wall of second cavity all overlaps and is equipped with fixed spring.
Preferably, one end of each inserted rod penetrates through the press-fitting block and extends to one side of the press-fitting block, and the inserted rods and the second cavity form a sliding structure through the magnetic sliding blocks.
Compared with the prior art, the invention has the beneficial effects that: the second servo motor is started, the bidirectional threaded rod is driven by the second servo motor to rotate, because the thread blocks are respectively positioned on the two parts of the outer wall of the bidirectional threaded rod with opposite threads, in the process of rotating the bidirectional threaded rod, the bidirectional threaded rod drives the thread block to move along with the threads on the outer wall of the bidirectional threaded rod in opposite directions, the screw blocks move towards the opposite directions close to each other by adjusting the steering direction of the second servo motor, the connecting rod is driven by the screw blocks, the push rod is pushed by the connecting rod, the push rod pushes the push plate, the push plate is contacted with the bottom end of the turntable and forms a support for the turntable, then the air cylinder can be started, the pressure rod is pressed downwards, the pressing plate is pushed through the pressing rod, the pressing plate is used for carrying out press fitting operation on the bearing inside the placing groove, and the structure realizes the support of the device and prevents the device from being damaged in the press fitting process.
Drawings
FIG. 1 is a schematic sectional front view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.
In the figure: 1. footing; 2. a first servo motor; 3. a rotating rod; 4. a base plate; 5. pressing blocks; 6. positioning a groove; 7. pressing a plate; 8. a cylinder; 9. a positioning structure; 901. a second cavity; 902. inserting a rod; 903. fixing the spring; 904. a magnetic slider; 905. an electromagnet; 10. a pressure lever; 11. a placement groove; 12. a turntable; 13. a first cavity; 14. a thread block; 15. a bidirectional threaded rod; 16. a connecting rod; 17. a push rod; 18. pushing the plate; 19. a second servo motor.
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.
Example 1: referring to fig. 1-5, a bearing press-fitting device for assembling a plunger pump cylinder comprises a footing 1, a supporting structure and a positioning structure 9;
the top end of the bottom foot 1 is provided with a bottom plate 4, a first servo motor 2 is arranged in the middle position of the bottom end of the bottom plate 4, the type of the first servo motor 2 can be RDX-201-V36F5E13, the output end of the first servo motor 2 is provided with a rotating rod 3, the top end of the rotating rod 3 is provided with a rotary table 12, the top end of the rotating rod 3 penetrates through the bottom plate 4, the top end of the rotating rod 3 extends above the bottom plate 4, two sides and the front and rear ends of the top end of the rotary table 12 are provided with placing grooves 11, positioning grooves 6 are formed in the two sides of the rotary table 12, press-fitting blocks 5 are arranged on the two sides of the top end of the bottom plate 4, and the positioning structures 9 are located in the press-fitting blocks 5;
the top ends of the press-fitting blocks 5 are all provided with air cylinders 8, the bottom ends of the air cylinders 8 are all provided with pressure rods 10, the bottom ends of the pressure rods 10 all penetrate through the press-fitting blocks 5, the bottom ends of the pressure rods 10 all extend to the lower side of the press-fitting blocks 5, the bottom ends of the pressure rods 10 are provided with pressure plates 7, and the supporting structures are all located at the bottom ends inside the press-fitting blocks 5;
referring to fig. 1-5, the bearing press-fitting device for assembling the cylinder body of the plunger pump further comprises a supporting structure, the supporting structure comprises a first cavity 13, the first cavity 13 is arranged at the bottom end inside the press-fitting block 5, a second servo motor 19 is arranged at the bottom end of one side, close to the rotating rod 3, of the press-fitting block 5, the type of the second servo motor 19 can be F-3420-1, a bidirectional threaded rod 15 is arranged at the output end of the second servo motor 19, two threaded blocks 14 are connected to the outer wall of the bidirectional threaded rod 15 through threads, connecting rods 16 are connected to the top ends of the threaded blocks 14 through hinged keys, push rods 17 are connected to the top ends of the connecting rods 16 through hinged keys, and push plates 18 are arranged at the top ends of the push rods 17;
one end of each bidirectional threaded rod 15 penetrates through the press mounting block 5 and extends into the first cavity 13, and each bidirectional threaded rod 15 is installed on one side of the inside of the first cavity 13 through a rotating shaft;
the top ends of the push rods 17 penetrate through the press mounting blocks 5, and the top ends of the push rods 17 extend to the lower part of the rotary table 12;
specifically, as shown in fig. 1, 2 and 4, when the mechanism is used, the connecting rod 16 is driven by the thread block 14, the push rod 17 is pushed by the connecting rod 16, the push rod 17 pushes the push plate 18, and the push plate 18 is in contact with and supports the bottom end of the rotary disc 12.
Example 2: the positioning structure 9 comprises a second cavity 901, insertion rods 902, fixed springs 903, magnetic sliders 904 and electromagnets 905, the second cavity 901 is arranged inside the press-fitting block 5, the electromagnets 905 are arranged on one side inside the second cavity 901, the magnetic sliders 904 are arranged inside the second cavity 901, the insertion rods 902 are arranged on one sides of the magnetic sliders 904 far away from the electromagnets 905, and the fixed springs 903 are sleeved on the outer walls of the insertion rods 902 inside the second cavity 901;
one end of each inserted rod 902 penetrates through the press-fitting block 5 and extends to one side of the press-fitting block 5, and the inserted rods 902 and the second cavity 901 form a sliding structure through magnetic sliders 904;
specifically, as shown in fig. 1 and 5, when the mechanism is used, the magnetic slider 904 pushes the plunger 902, so that the plunger 902 enters the inside of the positioning groove 6, and the turntable 12 is fixed.
The working principle is as follows: a worker conveys a bearing to be pressed into the placing groove 11 through a conveyor belt, then the first servo motor 2 is started, the rotating rod 3 is driven to rotate through the first servo motor 2, the rotating disc 12 is driven to rotate through the rotating rod 3, the placing groove 11 at the top end of the rotating disc 12 rotates to be right below the air cylinder 8, at the moment, the worker controls the electromagnet 905 to electrify the electromagnet 905, the electromagnet 905 generates magnetic force, the relative magnetic poles of the electromagnet 905 and the magnetic slider 904 are the same, the electromagnet 905 generates repulsive force on the magnetic slider 904 to push the magnetic slider 904, the magnetic slider 904 slides in the second cavity 901 to the direction close to the rotating disc 12, the magnetic slider 904 pushes the insert rod 902, the fixing spring 903 is compressed, the insert rod 902 is pushed through the magnetic slider 904, the insert rod 902 enters the positioning groove 6, the rotating disc 12 is fixed, and the placing groove 11 is accurately positioned, preventing deflection;
then the worker starts the second servo motor 19, drives the bidirectional threaded rod 15 through the second servo motor 19, rotates the bidirectional threaded rod 15, since the thread blocks 14 are respectively located at two portions of the outer wall of the bidirectional threaded rod 15, where the threads are opposite, during the rotation of the bidirectional threaded rod 15, the bidirectional threaded rod 15 drives the threaded block 14, so that the threaded block 14 moves along with the threads on the outer wall of the bidirectional threaded rod 15 in the opposite direction, by adjusting the rotation direction of the second servo motor 19, the screw blocks 14 are moved in opposite directions to approach each other, the connecting rod 16 is driven by the thread block 14, the push rod 17 is pushed by the connecting rod 16, the push rod 17 pushes the push plate 18, the push plate 18 is contacted with the bottom end of the turntable 12 and forms a support for the bottom end, then the air cylinder 8 is started, the press rod 10 is pressed downwards, the pressing plate 7 is pushed by the pressing rod 10, and the bearing inside the placing groove 11 is pressed and mounted by the pressing plate 7.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a bearing pressure equipment device is used in plunger pump cylinder body equipment, includes footing (1), its characterized in that: also comprises a supporting structure and a positioning structure (9);
the bottom plate (4) is installed at the top end of the bottom foot (1), the first servo motor (2) is installed at the middle position of the bottom end of the bottom plate (4), the rotating rod (3) is installed at the output end of the first servo motor (2), the rotary table (12) is installed at the top end of the rotating rod (3), placing grooves (11) are installed on the two sides and the front end and the rear end of the top end of the rotary table (12), positioning grooves (6) are formed in the two sides of the rotary table (12), press-mounting blocks (5) are installed on the two sides of the top end of the bottom plate (4), and the positioning structures (9) are located in the press-mounting blocks (5);
the top ends of the press-fitting blocks (5) are respectively provided with an air cylinder (8), the bottom ends of the air cylinders (8) are respectively provided with a pressure rod (10), the bottom ends of the pressure rods (10) are respectively provided with a pressure plate (7), and the supporting structures are respectively positioned at the bottom ends inside the press-fitting blocks (5);
bearing structure includes first cavity (13), the inside bottom of pressure equipment piece (5) is all seted up in first cavity (13), and pressure equipment piece (5) are close to the bottom of bull stick (3) one side and all install second servo motor (19), two-way threaded rod (15) are all installed to the output of second servo motor (19), and the outer wall of two-way threaded rod (15) all has two screw thread pieces (14) through threaded connection, the top of screw thread piece (14) all has connecting rod (16) through articulated key-type connection, and the top of connecting rod (16) all has push rod (17) through articulated key-type connection, push pedal (18) are all installed on the top of push rod (17).
2. The bearing press-fitting device for assembling the cylinder block of the plunger pump according to claim 1, wherein: the top end of the rotating rod (3) penetrates through the bottom plate (4), and the top end of the rotating rod (3) extends to the upper side of the bottom plate (4).
3. The bearing press-fitting device for assembling the cylinder block of the plunger pump according to claim 1, wherein: the bottom ends of the pressure rods (10) penetrate through the press fitting blocks (5), and the bottom ends of the pressure rods (10) extend to the lower portions of the press fitting blocks (5).
4. The bearing press-fitting device for assembling the cylinder block of the plunger pump according to claim 1, wherein: one end of the bidirectional threaded rod (15) penetrates through the press mounting block (5) and extends into the first cavity (13), and the bidirectional threaded rod (15) is installed on one side of the interior of the first cavity (13) through a rotating shaft.
5. The bearing press-fitting device for assembling the cylinder block of the plunger pump according to claim 1, wherein: the top ends of the push rods (17) penetrate through the press fitting blocks (5), and the top ends of the push rods (17) extend to the lower portion of the rotary table (12).
6. The bearing press-fitting device for assembling the cylinder block of the plunger pump according to claim 1, wherein: location structure (9) include second cavity (901), inserted bar (902), fixed spring (903), magnetism slider (904) and electro-magnet (905), the inside of pressure equipment piece (5) is all seted up in second cavity (901), and electro-magnet (905) are all installed to the inside one side of second cavity (901), and the inside of second cavity (901) all is provided with magnetism slider (904), inserted bar (902) are all installed to the one side that electro-magnet (905) were kept away from in magnetism slider (904), and inside inserted bar (902) outer wall of second cavity (901) all overlaps and is equipped with fixed spring (903).
7. The bearing press-fitting device for assembling the cylinder block of the plunger pump according to claim 6, wherein: one end of each inserted rod (902) penetrates through the press-fitting block (5) and extends to one side of the press-fitting block (5), and the inserted rods (902) and the second cavity (901) form a sliding structure through the magnetic sliding blocks (904).
CN202111338265.9A 2021-11-12 2021-11-12 Bearing press-fitting device for assembling plunger pump cylinder body Pending CN113953806A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202111338265.9A CN113953806A (en) 2021-11-12 2021-11-12 Bearing press-fitting device for assembling plunger pump cylinder body
PCT/CN2021/138614 WO2023082420A1 (en) 2021-11-12 2021-12-16 Bearing press-fitting apparatus for assembling plunger pump cylinder body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111338265.9A CN113953806A (en) 2021-11-12 2021-11-12 Bearing press-fitting device for assembling plunger pump cylinder body

Publications (1)

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CN113953806A true CN113953806A (en) 2022-01-21

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CN202111338265.9A Pending CN113953806A (en) 2021-11-12 2021-11-12 Bearing press-fitting device for assembling plunger pump cylinder body

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WO (1) WO2023082420A1 (en)

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CN113579677A (en) * 2021-08-03 2021-11-02 温州东一机械制造有限公司 Equipment for pneumatic valve

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US9764453B1 (en) * 2016-03-16 2017-09-19 Temper Axle Products Corporation Systems and methods for preloading a bearing
CN107398715A (en) * 2017-07-25 2017-11-28 浙江硕和机器人科技有限公司 Drape over one's shoulders the press fitting mould emptier of head and sleeve
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Application publication date: 20220121