CN112975325B - Automatic assembling device for vertical oil cylinder and working method of automatic assembling device - Google Patents

Automatic assembling device for vertical oil cylinder and working method of automatic assembling device Download PDF

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Publication number
CN112975325B
CN112975325B CN202110239293.9A CN202110239293A CN112975325B CN 112975325 B CN112975325 B CN 112975325B CN 202110239293 A CN202110239293 A CN 202110239293A CN 112975325 B CN112975325 B CN 112975325B
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oil cylinder
mechanical arm
clamping
cylinder
positioning
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CN112975325A (en
Inventor
刘延俊
贾华
薛钢
王雨
白发刚
石振杰
刘汉臣
徐金平
侯居威
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Jinan Ruiyuan Hydraulic Pneumatic Equipment Co ltd
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Jinan Ruiyuan Hydraulic Pneumatic Equipment Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines 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
    • B23P19/001—Article feeders for assembling machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines 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
    • B23P19/02—Machines 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
    • B23P19/027—Machines 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines 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
    • B23P19/10—Aligning parts to be fitted together
    • B23P19/12—Alignment of parts for insertion into bores

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

Abstract

The invention relates to the technical field of industrial assembly equipment, in particular to an automatic assembly device for a vertical oil cylinder and a working method of the automatic assembly device. The lifting machine comprises a base, a lifting frame is arranged on one side of the base, mechanical arm mechanisms are symmetrically arranged on the front side and the rear side of the base on the right side of the lifting frame respectively, the lower ends of the two mechanical arm mechanisms are connected with the base through lower hinged seats respectively, the upper ends of the two mechanical arm mechanisms are connected with the upper hinged seats on the front side and the rear side of the top of the lifting frame respectively through power lifting oil cylinders, the two power lifting oil cylinders are arranged in parallel, and a positioning clamping mechanism is arranged on the base between the two lower hinged seats. The automatic assembly of cylinder liner and hydro-cylinder piston rod can be realized to and the operation of putting progressively of whole hydro-cylinder, it is lower to have solved current pneumatic cylinder rigging equipment degree of automation, has the problem of consuming time and wasting force etc..

Description

Automatic assembling device for vertical oil cylinder and working method of automatic assembling device
Technical Field
The invention relates to the technical field of industrial assembly equipment, in particular to an automatic assembly device for a vertical oil cylinder and a working method of the automatic assembly device.
Background
Because hydraulic transmission has the excellent characteristics of stable transmission, large bearing capacity, easy realization of automation and the like, the hydraulic transmission is widely applied to industries such as machine tools, engineering machinery, agricultural machinery, automobiles and the like. The hydraulic cylinder is an actuating element in a hydraulic transmission system and can convert hydraulic energy into reciprocating mechanical energy.
The hydraulic cylinder mainly comprises a cylinder barrel, a piston cylinder, an end cover and a piston rod sealing element. At present, domestic hydraulic cylinder assembly operation is mainly completed by manual operation, the labor intensity of the manual operation is high, the working efficiency is low, and the requirements of the current assembly task cannot be met; and in the assembling process, manual operation hardly guarantees that the oil cylinder piston rod and the cylinder sleeve are arranged in the coaxial line direction, and only the oil cylinder piston rod can enter the cylinder sleeve through manual adjustment, so that the operation is time-consuming and labor-consuming, the alignment accuracy is low, the sealing element and the cylinder sleeve can be damaged slightly carelessly, and the service life of the hydraulic cylinder is shortened. Although some simple assembling devices are also applied, a large amount of manual auxiliary operation is still needed, and the existing hydraulic cylinder assembling devices have the problems of low automation degree, low assembling efficiency, time and labor consumption and the like.
Disclosure of Invention
The invention provides an automatic assembling device for a vertical oil cylinder and a working method thereof, which have reasonable structural design and high alignment precision, are time-saving and labor-saving to operate, can realize the automatic assembly of a cylinder sleeve and a cylinder piston rod and the delivery operation of an integral oil cylinder, effectively ensure that the cylinder piston rod and the cylinder sleeve are always positioned on the same axis, avoid damaging a sealing element and the cylinder sleeve, prolong the service life of the hydraulic cylinder, effectively reduce the labor intensity, improve the working efficiency and the integral assembling efficiency, and solve the problems of lower automation degree, time consumption, labor consumption and the like of the existing hydraulic cylinder assembling equipment.
The technical scheme adopted by the invention for solving one of the technical problems is as follows:
a vertical oil cylinder automatic assembly device comprises a base, a lifting frame is arranged on one side of the base, mechanical arm mechanisms are symmetrically arranged on the front side and the rear side of the base on the right side of the lifting frame respectively, the lower ends of the two mechanical arm mechanisms are connected with the base respectively through lower hinged seats, the upper ends of the two mechanical arm mechanisms are connected with upper hinged seats on the front side and the rear side of the top of the lifting frame respectively through power lifting oil cylinders, the two power lifting oil cylinders are arranged in parallel, a positioning and clamping mechanism is arranged on the base between the two lower hinged seats, a centering and aligning mechanism is arranged on the base on the right side of the positioning and clamping mechanism, the centering and aligning mechanism comprises a chute which is horizontally arranged in the base on the right side of the positioning and clamping mechanism, a positioning controller is arranged in the middle of the chute and is connected with a horizontally arranged positioning guide rail through a centering oil cylinder arranged on the surface of the positioning and clamping mechanism, the positioning guide rail is arranged perpendicular to the direction of the positioning and clamping mechanism, and the central line of the positioning guide rail is over against the center of the positioning clamping mechanism, auxiliary guide rails are respectively arranged in the chutes at the front side and the rear side of the positioning guide rail, the auxiliary guide rails are arranged in parallel with the positioning guide rail, centering devices are respectively and symmetrically arranged on the bases at the left side and the right side of the positioning guide rail, the centering oil cylinders are connected with the control device through wires, and the power lifting oil cylinders are connected with the control device through wires.
Further, the mechanical arm mechanism comprises a mechanical arm support, the lower end of the mechanical arm support is movably hinged with the lower hinge base, the upper end of the mechanical arm support is movably hinged with the power lifting oil cylinder, the upper end and the lower end of the side wall of the mechanical arm support facing to one side of the positioning and clamping mechanism are respectively and symmetrically provided with a supporting plate, a movable sliding block which is movably abutted against the mechanical arm support between the two supporting plates is arranged on the mechanical arm support, a motor is arranged on one supporting plate, an output shaft of the motor is coaxially connected with a screw rod, the axis of the screw rod is parallel to the length direction of the mechanical arm support, the end part of the outer end is movably clamped on the supporting plate at the other side, the screw thread of the lead screw passes through the movable slide block and is connected with the screw thread of the movable slide block, and a clamping block is arranged on the outer side of the movable sliding block, the clamping block is connected with the movable sliding block through a clamping oil cylinder, and the motor and the clamping oil cylinder are respectively connected with a control device through wires.
Further, the cross section of the clamping block is V-shaped, and the center line of the clamping block is parallel to the axis of the lead screw.
Furthermore, the positioning and clamping mechanism comprises a channel vertically arranged in the base between the two lower hinged seats, a pneumatic chuck is horizontally arranged in the channel, the center point of the pneumatic chuck and the middle point of a connecting line of shaft holes of the two lower hinged seats are connected, the formed connecting line is vertically arranged, and the pneumatic chuck is connected with the control device through a wire.
Further, a protective cover is horizontally arranged in the base channel above the pneumatic chuck, and a through hole is vertically formed in the center of the protective cover.
Furthermore, limiting grooves are symmetrically formed in the bases on the front side and the rear side of the centering and aligning mechanism respectively.
Further, the method comprises the steps of assembling the cylinder sleeve and the piston rod of the oil cylinder and delivering the oil cylinder.
Further, the step of assembling the oil cylinder and the oil cylinder piston rod is as follows:
the cylinder sleeve is conveyed to a positioning guide rail through an auxiliary guide rail, whether the position of the central axis of the cylinder sleeve is collinear with the central axis of a centering device is detected through a centering device, if the position of the central axis of the cylinder sleeve is not collinear with the central axis of the centering device, a signal is conveyed to a positioning controller through the centering device, the positioning controller controls a centering oil cylinder to be opened through a control device, the positioning guide rail is pushed upwards, and after the positioning guide rail is collinear with the positioning guide rail and the centering oil cylinder are controlled to be closed through the control device;
secondly, the mechanical arm mechanism makes downward and downward movement under the action of a power lifting oil cylinder from an initial position parallel to the lifting frame until the mechanical arm frame contacts with the limiting groove, so that the mechanical arm frame and the positioning guide rail are in a parallel state;
step three, controlling a motor to start through a control device, driving a movable sliding block to move on a mechanical arm frame through rotation of a lead screw until the movable sliding block moves to a proper position of a cylinder sleeve, closing the motor through the control device, starting a clamping oil cylinder to work, driving the clamping blocks to move towards the cylinder sleeve by the clamping oil cylinder until the two clamping blocks firmly clamp the cylinder sleeve, and starting a power lifting oil cylinder to work and restore the power lifting oil cylinder to an initial position parallel to a lifting frame;
fourthly, controlling the motor to start through the control device, so that the two movable sliding blocks for clamping the cylinder sleeve slide downwards until the cylinder sleeve extends into the air chuck, stopping the motor from working, and starting the air chuck, so that the cylinder sleeve is clamped and fixed and is kept at a vertical position;
and step five, after the operation is carried out according to the step one, the step two and the step three, the motor is controlled to be started through the control device, so that the two movable sliding blocks for clamping the piston rod of the oil cylinder slide downwards, the piston rod of the oil cylinder extends into the cylinder sleeve, and finally the assembly of the cylinder sleeve and the piston rod of the oil cylinder is completed.
Further, the oil cylinder delivery step:
the method comprises the following steps that firstly, a control device controls a motor to be started, a movable sliding block is moved to a proper position where an oil cylinder is assembled, and then a clamping oil cylinder is driven to work, so that two clamping blocks clamp and fix the oil cylinder firmly;
secondly, the control device controls the air chuck to loosen, so that the cylinder sleeve is separated from the air chuck;
thirdly, controlling the motor to work through the control device, and enabling the moving slide block to drive the oil cylinder to move upwards and vertically;
fourthly, controlling the power lifting oil cylinder to start through the control device, and enabling the mechanical arm mechanism to do downward and downward movement from an initial position parallel to the lifting frame until the mechanical arm frame contacts the limiting groove, so that the mechanical arm frame and the positioning guide rail are in a parallel state;
further, the notification control device controls the centering oil cylinder to start until the positioning guide rail abuts against the bottom of the oil cylinder.
The invention has the beneficial effects that:
by adopting the structure, the hydraulic cylinder has the advantages that the operation is convenient, the automatic assembly of the cylinder sleeve and the piston rod of the oil cylinder and the delivery operation of the whole oil cylinder can be realized, the alignment precision is high, the piston rod of the oil cylinder and the cylinder sleeve are always on the same axis, the damage to the sealing element and the cylinder sleeve is avoided, the service life of the hydraulic cylinder is prolonged, the labor intensity of workers is effectively reduced, the working efficiency and the whole assembly efficiency are improved, and the automation degree is higher; the occupied area is small, and the space is effectively saved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the base.
Fig. 3 is a schematic perspective view of the centering and aligning mechanism.
Fig. 4 is a schematic perspective view of the robot arm mechanism.
Fig. 5 is a schematic perspective view of the limiting groove.
In the figure, 1, a base; 2. lifting the frame; 3. a lower hinge base; 4. a power lifting oil cylinder; 5. an upper hinge base; 6. a mechanical arm support; 7. a support plate; 8. moving the slide block; 9. a motor; 10. a lead screw; 11. a clamping block; 12. clamping the oil cylinder; 13. a channel; 14. a pneumatic chuck; 15. a protective cover; 16. a through hole; 17. a chute; 18. a positioning controller; 19. a centering oil cylinder; 20. positioning the guide rail; 21. an auxiliary guide rail; 22. a centering device; 23. a limiting groove.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings for more clearly illustrating the technical solution of the invention, and which are only schematic illustrations of the basic structure of the invention, and should not be taken as limiting the scope of the invention.
As shown in figures 1-5, a vertical oil cylinder automatic assembly device comprises a base 1, a lifting frame 2 is arranged on one side of the base 1, mechanical arm mechanisms are symmetrically arranged on the front side and the rear side of the base 1 on the right side of the lifting frame 2 respectively, the lower ends of the two mechanical arm mechanisms are connected with the base through lower hinged seats 3 respectively, the upper ends of the two mechanical arm mechanisms are connected with upper hinged seats 5 on the front side and the rear side of the top of the lifting frame 2 respectively through power lifting oil cylinders 4, the two power lifting oil cylinders 4 are arranged in parallel, a positioning and clamping mechanism is arranged on the base 1 between the two lower hinged seats 3, a centering and aligning mechanism is arranged on the base 1 on the right side of the positioning and clamping mechanism, the centering and aligning mechanism comprises a chute 17 horizontally arranged in the base 1 on the right side of the positioning and clamping mechanism, a positioning controller 18 is arranged in the middle of the chute 17, the positioning controller 18 is connected with a positioning guide rail 20 horizontally arranged through a centering oil cylinder 19 arranged on the surface of the positioning and clamping mechanism, the positioning guide rail 20 is perpendicular to the positioning and clamping mechanism, the central line of the positioning guide rail 20 is opposite to the center of the positioning and clamping mechanism, the auxiliary guide rails 21 are arranged in the sliding grooves 17 on the front side and the rear side of the positioning guide rail 20 respectively, the auxiliary guide rails 21 are parallel to the positioning guide rail 20, the centering devices 22 are symmetrically arranged on the bases 1 on the left side and the right side of the positioning guide rail 20 respectively, the centering oil cylinders 19 are connected with the control device through wires, and the power lifting oil cylinders 4 are connected with the control device through wires.
Further, the mechanical arm mechanism comprises a mechanical arm support 6, the lower end of the mechanical arm support 6 is movably hinged with the lower hinge base 3, the upper end of the mechanical arm support is movably hinged with the power pulling oil cylinder 4, the upper end and the lower end of the side wall of the mechanical arm support 6, which faces one side of the positioning and clamping mechanism, are respectively and symmetrically provided with a support plate 7, a movable sliding block 8 which is movably abutted against the mechanical arm support 6 is arranged on the mechanical arm support 6 between the two support plates 7, a motor 9 is arranged on one support plate 7, the output shaft of the motor 9 is coaxially connected with a lead screw 10, the axial line of the lead screw 10 is parallel to the length direction of the mechanical arm support 6, the end part of the outer end of the lead screw is movably clamped on the support plate 7 on the other side, the lead screw 10 penetrates through the movable sliding block 8 and is in threaded connection with the movable sliding block, a clamping block 11 is arranged on the outer side of the movable sliding block 8, the clamping block 11 is connected with the movable sliding block 8 through a clamping oil cylinder 12, and the motor 9, The clamping cylinders 12 are respectively connected with the control device through leads.
Further, the cross section of the clamping block 11 is V-shaped, and the central line of the clamping block 11 is arranged in parallel with the axis of the screw rod 10.
Further, the positioning and clamping mechanism comprises a channel 13 vertically arranged in the base 1 between the two lower hinged seats 3, a pneumatic chuck 14 is horizontally arranged in the channel 13, the center point of the pneumatic chuck 14 and the middle point of a connecting line of shaft holes of the two lower hinged seats 3 are connected, the formed connecting line is vertically arranged, and the pneumatic chuck 14 is connected with the control device through a wire.
Further, a protective cover 15 is horizontally arranged in the channel of the base 1 above the air chuck 14, and a through hole 16 is vertically arranged in the center of the protective cover 15.
Furthermore, limiting grooves 23 are symmetrically arranged on the bases 1 on the front side and the rear side of the centering and aligning mechanism respectively.
Further, the method comprises the steps of assembling the cylinder sleeve and the piston rod of the oil cylinder and delivering the oil cylinder.
Further, the step of assembling the oil cylinder and the oil cylinder piston rod is as follows:
firstly, the cylinder sleeve is sent to a positioning guide rail 20 through an auxiliary guide rail 21, whether the position of the central axis of the cylinder sleeve is collinear with the central axis of a centering device 22 is detected through the centering device 22, if the position of the central axis of the cylinder sleeve is not collinear with the central axis of the centering device 22, the centering device 22 sends a signal to a positioning controller 18, the positioning controller 18 controls a centering oil cylinder 19 to be opened through a control device, the positioning guide rail 20 is pushed upwards, and after the position of the cylinder sleeve is collinear with the central axis of the centering device 22, the control device controls the centering oil cylinder 19 to be closed;
secondly, the mechanical arm mechanism makes downward and downward movement under the action of the power lifting oil cylinder 4 from an initial position parallel to the lifting frame 2 until the mechanical arm support 6 contacts the limiting groove 23, so that the mechanical arm support 6 and the positioning guide rail 20 are in a parallel state;
step three, controlling a motor 9 to start through a control device, driving a movable sliding block 8 to move on a mechanical arm support 6 through the rotation of a lead screw 10 until the movable sliding block moves to a proper position of a cylinder sleeve, closing the motor 9 through the control device, starting a clamping oil cylinder 12 to work, driving the clamping block 11 by the clamping oil cylinder 12 to move towards the cylinder sleeve until the two clamping blocks 11 firmly clamp the cylinder sleeve, and starting a power lifting oil cylinder 4 to work and restore the initial position parallel to a lifting frame 2;
fourthly, controlling a motor to start 9 through a control device, so that two movable sliding blocks 8 for clamping the cylinder sleeve slide downwards until the cylinder sleeve extends into an air chuck 14, stopping the motor 9 from working, starting the air chuck 14, and clamping and fixing the cylinder sleeve and keeping the vertical position;
and step five, after the operation is carried out according to the step one, the step two and the step three, the motor 9 is controlled to be started through the control device, so that the two movable sliding blocks 8 for clamping the piston rod of the oil cylinder slide downwards, the piston rod of the oil cylinder extends into the cylinder sleeve, and finally the assembly of the cylinder sleeve and the piston rod of the oil cylinder is completed.
Further, the oil cylinder delivery step:
step one, controlling a motor to start 9 through a control device, moving a movable sliding block 8 to a proper position where an oil cylinder is assembled, and driving a clamping oil cylinder 12 to work to enable two clamping blocks 11 to clamp and fix the oil cylinder firmly;
secondly, controlling the air chuck 14 to loosen through the control device, so that the cylinder sleeve is separated from the air chuck 14;
thirdly, controlling the motor 9 to work through the control device, and enabling the moving slide block 8 to drive the oil cylinder to move upwards and vertically;
fourthly, controlling the power lifting oil cylinder 4 to start through the control device, and enabling the mechanical arm mechanism to do downward and downward movement from an initial position parallel to the lifting frame 2 until the mechanical arm frame 6 contacts the limiting groove, so that the mechanical arm frame 6 and the positioning guide rail 20 are in a parallel state;
and step five, informing the control device to control the centering oil cylinder 19 to start until the positioning guide rail 20 abuts against the bottom of the oil cylinder.
This device structural design is reasonable, the labour saving and time saving is got up in the operation, can realize the automatic assembly of cylinder liner and hydro-cylinder piston rod, and the operation is put to the delivery of whole hydro-cylinder, and the alignment accuracy is high, both on being in same axis all the time with the cylinder liner to hydro-cylinder piston rod has effectively been guaranteed, avoid haring sealing member and cylinder liner, the life of pneumatic cylinder has been improved, the labor intensity is effectively reduced, work efficiency and holistic assembly efficiency are improved, it is lower to have solved current pneumatic cylinder rigging equipment degree of automation, there is the problem of consuming time and wasting force etc..
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and the technical solutions are all covered in the scope of the claims and the specification of the present invention; it will be apparent to those skilled in the art that any alternative modifications or variations to the embodiments of the present invention may be made within the scope of the present invention.
The present invention is not described in detail, but is known to those skilled in the art.

Claims (9)

1. The utility model provides a vertical hydro-cylinder automatic assembly device which characterized in that: comprises a base, a lifting frame is arranged on one side of the base, mechanical arm mechanisms are symmetrically arranged on the front side and the rear side of the base on the right side of the lifting frame respectively, the lower ends of the two mechanical arm mechanisms are connected with the base through lower hinged seats respectively, the upper ends of the two mechanical arm mechanisms are connected with upper hinged seats on the front side and the rear side of the top of the lifting frame respectively through power lifting oil cylinders, the two power lifting oil cylinders are arranged in parallel, a positioning and clamping mechanism is arranged on the base between the two lower hinged seats, a centering and aligning mechanism is arranged on the base on the right side of the positioning and clamping mechanism, the centering and aligning mechanism comprises a chute which is horizontally arranged in the base on the right side of the positioning and clamping mechanism, a positioning controller is arranged in the middle of the chute and is connected with a horizontally arranged positioning guide rail through a centering oil cylinder arranged on the surface of the positioning and clamping mechanism, the positioning guide rail is arranged perpendicular to the positioning and clamping mechanism, and the central line of the positioning guide rail is over against the center of the positioning clamping mechanism, auxiliary guide rails are respectively arranged in the chutes at the front side and the rear side of the positioning guide rail, the auxiliary guide rails are arranged in parallel with the positioning guide rail, centering devices are respectively and symmetrically arranged on the bases at the left side and the right side of the positioning guide rail, the centering oil cylinders are connected with the control device through wires, and the power lifting oil cylinders are connected with the control device through wires.
2. The automatic assembling device for the vertical oil cylinder according to claim 1, characterized in that: the mechanical arm mechanism comprises a mechanical arm frame, the lower end of the mechanical arm frame is movably hinged with a lower hinge seat, the upper end of the mechanical arm frame is movably hinged with a power lifting oil cylinder, supporting plates are symmetrically arranged at the upper end and the lower end of the side wall of the mechanical arm frame facing one side of the positioning and clamping mechanism respectively, a moving sliding block movably abutted against the mechanical arm frame is arranged on the mechanical arm frame between the two supporting plates, a motor is arranged on one supporting plate, an output shaft of the motor is coaxially connected with a lead screw, the axis of the lead screw is parallel to the length direction of the mechanical arm frame, the end part of the outer end of the lead screw is movably clamped on the supporting plate at the other side, the lead screw thread penetrates through the moving sliding block and is in threaded connection with the moving sliding block, a clamping block is arranged on the outer side of the moving sliding block, the clamping block is connected with the moving sliding block through a clamping oil cylinder, and the motor and the clamping oil cylinder are respectively connected with a control device through conducting wires.
3. The automatic assembling device for the vertical oil cylinder according to claim 2, characterized in that: the cross section of the clamping block is V-shaped, and the center line of the clamping block is parallel to the axis of the screw rod.
4. The automatic assembling device for the vertical oil cylinder according to claim 1, characterized in that: the positioning and clamping mechanism comprises a channel vertically arranged in the base between the two lower hinged seats, a pneumatic chuck is horizontally arranged in the channel, the center point of the pneumatic chuck and the middle point of a shaft hole connecting line connecting the two lower hinged seats are vertically arranged, and the pneumatic chuck is connected with the control device through a wire.
5. The automatic assembling device for the vertical oil cylinder according to claim 4, characterized in that: the base channel above the pneumatic chuck is horizontally provided with a protective cover, and the center of the protective cover is vertically provided with a through hole.
6. The automatic assembling device for the vertical oil cylinder according to claim 1, characterized in that: limiting grooves are symmetrically arranged on the bases on the front side and the rear side of the centering and aligning mechanism respectively.
7. An operating method using the automatic assembling device for the vertical cylinder according to any one of claims 1 to 6, characterized in that: the method comprises the steps of assembling a cylinder sleeve and a piston rod of the oil cylinder and delivering the oil cylinder.
8. The automatic assembling device for the vertical oil cylinder according to claim 7, characterized in that: the step of assembling the oil cylinder and the oil cylinder piston rod is as follows:
the cylinder sleeve is conveyed to a positioning guide rail through an auxiliary guide rail, whether the position of the central axis of the cylinder sleeve is collinear with the central axis of the centering device is detected through a centering device, if the position of the central axis of the cylinder sleeve is not collinear with the central axis of the centering device, a signal is conveyed to a positioning controller through the centering device, the positioning controller controls a centering oil cylinder to be opened through a control device, the positioning guide rail is pushed upwards, and after the positioning guide rail is collinear with the central axis of the cylinder sleeve and the central axis of the centering device, the centering oil cylinder is controlled to be closed through the control device;
secondly, the mechanical arm mechanism makes downward and downward movement under the action of a power lifting oil cylinder from an initial position parallel to the lifting frame until the mechanical arm frame contacts with the limiting groove, so that the mechanical arm frame and the positioning guide rail are in a parallel state;
step three, controlling a motor to start through a control device, driving a movable sliding block to move on a mechanical arm frame through rotation of a lead screw until the movable sliding block moves to a proper position of a cylinder sleeve, closing the motor through the control device, starting a clamping oil cylinder to work, driving the clamping blocks to move towards the cylinder sleeve by the clamping oil cylinder until the two clamping blocks firmly clamp the cylinder sleeve, and starting a power lifting oil cylinder to work and restore the power lifting oil cylinder to an initial position parallel to a lifting frame;
fourthly, controlling the motor to start through the control device, so that the two movable sliding blocks for clamping the cylinder sleeve slide downwards until the cylinder sleeve extends into the air chuck, stopping the motor from working, and starting the air chuck, so that the cylinder sleeve is clamped and fixed and is kept at a vertical position;
and step five, after the operation is carried out according to the step one, the step two and the step three, the motor is controlled to be started through the control device, so that the two movable sliding blocks for clamping the piston rod of the oil cylinder slide downwards, the piston rod of the oil cylinder extends into the cylinder sleeve, and finally the assembly of the cylinder sleeve and the piston rod of the oil cylinder is completed.
9. The automatic assembling device for the vertical oil cylinder according to claim 7, characterized in that: the oil cylinder delivery step:
the method comprises the following steps that firstly, a control device controls a motor to be started, a movable sliding block is moved to a proper position where an oil cylinder is assembled, and then a clamping oil cylinder is driven to work, so that two clamping blocks clamp and fix the oil cylinder firmly;
secondly, the control device controls the air chuck to loosen, so that the cylinder sleeve is separated from the air chuck;
thirdly, controlling the motor to work through the control device, and enabling the moving slide block to drive the oil cylinder to move upwards and vertically;
fourthly, controlling the power lifting oil cylinder to start through the control device, and enabling the mechanical arm mechanism to do downward and downward movement from an initial position parallel to the lifting frame until the mechanical arm frame contacts the limiting groove, so that the mechanical arm frame and the positioning guide rail are in a parallel state;
and fifthly, informing the control device to control the centering oil cylinder to start until the positioning guide rail abuts against the bottom of the oil cylinder.
CN202110239293.9A 2021-03-04 2021-03-04 Automatic assembling device for vertical oil cylinder and working method of automatic assembling device Active CN112975325B (en)

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CN112975325B true CN112975325B (en) 2022-03-25

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN111927347A (en) * 2020-09-22 2020-11-13 胜利油田康贝石油工程装备有限公司 Wellhead positioning integrated guide type vertical operation well repairing catwalk and using method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007218226A (en) * 2006-02-20 2007-08-30 Toyota Motor Corp Installation method and installation structure of cylinder block and oil pan
CN110340631A (en) * 2019-07-19 2019-10-18 湖北博利特种汽车装备股份有限公司 A kind of vertical cylinder assembly equipment
CN111927347A (en) * 2020-09-22 2020-11-13 胜利油田康贝石油工程装备有限公司 Wellhead positioning integrated guide type vertical operation well repairing catwalk and using method thereof

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