CN110695224A - Machine tool for closing up sliding shoes - Google Patents
Machine tool for closing up sliding shoes Download PDFInfo
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- CN110695224A CN110695224A CN201910971086.5A CN201910971086A CN110695224A CN 110695224 A CN110695224 A CN 110695224A CN 201910971086 A CN201910971086 A CN 201910971086A CN 110695224 A CN110695224 A CN 110695224A
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- spinning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a machine tool for closing up a sliding shoe, which belongs to the technical field of plunger assembly, and comprises a machine tool body, and is characterized in that: the spinning machine comprises a lathe bed, and is characterized in that a vertical column and a workpiece main shaft used for clamping a sliding shoe are fixedly connected to the lathe bed, a sliding mechanism is fixedly connected to the vertical column, a spinning mechanism used for spinning the sliding shoe is connected to the sliding mechanism, the spinning mechanism is located right above the workpiece main shaft, the spinning mechanism comprises a chuck, a roller assembly and a tip assembly used for tightly propping a plunger ball head, the roller assembly is installed on a base jaw of the chuck, the tip assembly is installed at the center of the chuck, a manipulator is installed on the lathe bed and located on one side of the workpiece main shaft, and the rotation axis of the spinning mechanism is coaxial with the rotation axis of the workpiece main shaft. The invention controls the spinning mechanism to enable the roller component mounted on the chuck base jaw to roll the sliding shoe, and has the characteristics of good spinning precision stability and high yield.
Description
Technical Field
The invention relates to the technical field of plunger assembly, in particular to a machine tool for closing up a sliding shoe.
Background
The plunger pump is an important device of the hydraulic system. The plunger reciprocates in the cylinder body to change the volume of the sealed working cavity so as to absorb and press oil. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like.
Plunger pumps are widely used in applications where high pressure, high flow and flow needs to be regulated, such as hydraulic machines, engineering machinery and ships.
The plunger pump is divided into an axial plunger pump and a radial plunger pump; the radial plunger pump belongs to a high-efficiency pump with higher technical content, and inevitably becomes an important component of the application field of the plunger pump along with the continuous acceleration of the localization; the radial plunger pump is a plunger pump in which the reciprocating direction of a piston or a plunger is perpendicular to a driving shaft. The working principle of the radial plunger pump is that the driving torque is transmitted to the star-shaped hydraulic cylinder rotor by the driving shaft through the cross coupling, and the stator is free from other transverse acting force. The rotor is mounted on the port shaft. Radially disposed plungers in the rotor abut the eccentric travel stator via a static pressure balanced shoe. The plunger is connected with the sliding shoe ball hinge and locked by a clamp spring. Two retaining rings clamp the shoe to the travel stator. When the pump rotates, it is pressed against the inner surface of the stator by centrifugal force and hydraulic pressure. When the rotor rotates, the plunger will reciprocate due to the eccentric action of the stator, with a stroke twice the eccentricity of the stator. The eccentricity of the stator is adjustable by two plungers on the pump body, diametrically opposed. The oil liquid passes through the pump body and the flow channel on the valve shaft and is controlled by the oil suction port on the valve shaft, and the hydraulic pressure generated in the pump body is absorbed by the static pressure balanced surface. The static pressure balance of the friction pair adopts an over-balance pressure compensation method to form open-loop control. The bearing for supporting the driving shaft only plays a supporting role and is not influenced by other external forces.
The core part of the plunger pump is a plunger assembly which consists of a sliding shoe and a plunger, and the connection of the sliding shoe and the plunger is completed through a special closing process. In the prior art, the closing is basically performed by a manual method or semi-automatic equipment, and the precision stability and the qualification rate are low.
Chinese patent publication No. CN 109623323a, published as 2019, 04, and 16, discloses an assembly system of a slipper and a plunger, which is characterized in that: comprises a buckling device for buckling a sliding shoe and a plunger and a spinning device for spinning the sliding shoe and the plunger; the buckling and pressing device comprises a base, a buckling and pressing combined die and a buckling and pressing mechanism, wherein the buckling and pressing combined die is positioned on the base, and is provided with a closing-up assembling hole; when in buckling, the sliding shoe and the plunger are arranged in the buckling and pressing combined die and are butted at the closing-up assembling hole, the buckling and pressing mechanism buckles, and the sliding shoe moves downwards in the closing-up assembling hole to close up and wrap the head of the plunger; the spinning device comprises a feeding mechanism, a clamp and an ejector pin, wherein the clamp and the ejector pin are arranged oppositely and are driven to rotate through a rotating shaft, and the feeding mechanism comprises a moving rod and a spinning roller arranged on the moving rod; during spinning, the sliding shoe and the plunger which are connected in a buckled and pressed mode are installed between the clamp and the ejector pin, the moving rod moves to drive the spinning roller to be close to the plunger connecting portion, and the moving rod is driven by the plunger connecting portion to rotate to conduct spinning.
In the assembly system of the piston shoe and the plunger disclosed in the patent document, the end of the plunger is mounted on the elastic seat, so that the piston shoe and the plunger are flexibly connected, a buckling gap exists between the bottom surface of the cap and the top surface of the lower die under the support of the plunger and the piston shoe, and when the cap is covered on the lower die, the elastic seat provides buffering to avoid the piston shoe closing opening and the plunger from being damaged. However, the closing accuracy and stability of the closing of the sliding shoe are poor, and the yield is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a machine tool for closing up a sliding shoe.
The invention is realized by the following technical scheme:
the utility model provides a lathe for smooth boots binding off, includes lathe bed, its characterized in that: the spinning machine comprises a lathe bed, and is characterized in that a vertical column and a workpiece main shaft used for clamping a sliding shoe are fixedly connected to the lathe bed, a sliding mechanism is fixedly connected to the vertical column, a spinning mechanism used for spinning the sliding shoe is connected to the sliding mechanism, the spinning mechanism is located right above the workpiece main shaft, the spinning mechanism comprises a chuck, a roller assembly and a tip assembly used for tightly propping a plunger ball head, the roller assembly is installed on a base jaw of the chuck, the tip assembly is installed at the center of the chuck, a manipulator is installed on the lathe bed and located on one side of the workpiece main shaft, and the rotation axis of the spinning mechanism is coaxial with the rotation axis of the workpiece main shaft.
The workpiece spindle comprises a spindle outer sleeve, a spring chuck, a chuck seat, a rotating shaft, a chuck pull rod, a spindle upper bearing group, a disc spring group, a spindle lower bearing, a spindle belt wheel, an oil cylinder, a transmission belt, a motor belt wheel, a first servo motor, a motor mounting seat and a motor mounting plate, the spindle outer sleeve is fixedly connected with the lathe bed, the motor mounting seat is fixed on the side wall of the lathe bed, the rotating shaft is mounted in the spindle outer sleeve through the spindle upper bearing group and the spindle lower bearing, the chuck seat is mounted on the rotating shaft, the spring chuck is arranged in the chuck seat, one end of the chuck pull rod is connected with the spring chuck, the other end of the chuck pull rod is connected with the upper end of the disc spring group, the oil cylinder is connected with the lower end of the disc spring group, the spindle belt wheel is fixed on the rotating shaft, the first servo motor is fixed on the motor mounting seat through the motor mounting plate, the motor belt wheel is fixed on the first servo motor, and the motor belt wheel.
The sliding mechanism comprises a Z-axis sliding rail and a Z-axis sliding plate, the Z-axis sliding rail is fixed on the stand column, the Z-axis sliding plate is connected with the Z-axis sliding rail in a sliding mode, and the spinning mechanism is vertically fixed on the Z-axis sliding plate.
The spinning mechanism further comprises a mounting seat, a second servo motor, a coupler, a ball screw pair and a chuck pull rod, the chuck is fixed on the mounting seat, the second servo motor is connected with the ball screw pair through the coupler, the upper end of the chuck pull rod is connected with the ball screw pair, the lower end of the chuck pull rod is connected with the chuck, and the chuck pull rod reciprocates up and down under the action of the second servo motor.
And a force sensor for monitoring the rolling of the roller assembly on the sliding shoe in the spinning process is arranged in the roller assembly.
The centre assembly comprises an installation sleeve, a centre and a compression spring, and the centre is fixed on the installation sleeve through the compression spring.
The manipulator includes mounting panel, swing cylinder, connecting plate, lift cylinder and sets up the finger subassembly on lift cylinder, and the mounting panel is fixed on the lathe bed, and swing cylinder fixes on the mounting panel, and the one end of connecting plate is articulated with swing cylinder, the other end and the lift cylinder fixed connection of connecting plate, and the finger subassembly is reciprocating motion about making under lift cylinder's effect.
The working principle of the invention is as follows:
during the use, the plunger subassembly of waiting to close soon is placed on the work piece main shaft through the manipulator, accomplishes plunger subassembly's material loading work. After the feeding is finished, clamping and fixing the sliding shoes of the plunger assembly through a spring chuck on the workpiece spindle; the center in the spinning mechanism is driven to prop against the plunger by controlling the sliding mechanism to descend, so that the ball head of the plunger is tightly attached to the inner spherical surface of the sliding shoe; after the standby manipulator returns to the original position, the workpiece spindle drives the plunger assembly to rotate. And after the roller assembly in the spinning mechanism reaches the spinning position by controlling the sliding mechanism to continuously descend, the roller assembly arranged on the chuck base jaw is driven to move along the radial direction to roll the sliding shoe by controlling the second servo motor to rotate, and then the roller assembly is controlled to slowly ascend by controlling the sliding mechanism to complete the spinning closing of the sliding shoe by the roller assembly.
The beneficial effects of the invention are mainly shown in the following aspects:
the invention relates to a lathe bed, wherein a vertical column and a workpiece main shaft for clamping a sliding shoe are fixedly connected on a lathe bed, a sliding mechanism is fixedly connected on the vertical column, a spinning mechanism for spinning the sliding shoe is connected on the sliding mechanism, the spinning mechanism is positioned right above the workpiece main shaft, the spinning mechanism comprises a chuck, a roller assembly and a tip assembly for tightly propping against a plunger ball head, the roller assembly is arranged on a base jaw of the chuck, the tip assembly is arranged at the center of the chuck, a manipulator is arranged on the lathe bed and is positioned at one side of the workpiece main shaft, the rotary axis of the spinning mechanism is coaxial with the rotary axis of the workpiece main shaft, when in use, the sliding shoe in the plunger assembly is clamped on the workpiece main shaft and rotates along with the workpiece main shaft, the plunger ball head is tightly attached to the spherical surface of the sliding shoe through the tip after being arranged in the sliding shoe, the roller assembly arranged on the base jaw of, and then the sliding mechanism is controlled to enable the spinning mechanism to finish the closing processing of the sliding shoe, and the spinning mechanism has the characteristics of good spinning precision stability and high yield.
Secondly, the invention comprises a workpiece spindle, a spindle outer sleeve, a spring chuck, a chuck seat, a rotating shaft, a chuck pull rod, a spindle upper bearing group, a disc spring group, a spindle lower bearing, a spindle belt wheel, an oil cylinder, a transmission belt, a motor belt wheel, a first servo motor, a motor mounting seat and a motor mounting plate, wherein the spindle outer sleeve is fixedly connected with a lathe bed, the motor mounting seat is fixed on the side wall of the lathe bed, the rotating shaft is mounted in the spindle outer sleeve through the spindle upper bearing group and the spindle lower bearing, the chuck seat is mounted on the rotating shaft, the spring chuck is arranged in the chuck seat, one end of the chuck pull rod is connected with the spring chuck, the other end of the chuck pull rod is connected with the upper end of the disc spring group, the oil cylinder is connected with the lower end of the disc spring group, the spindle belt wheel is fixed on the rotating shaft, the, the motor belt wheel is in transmission connection with the main shaft belt wheel through a transmission belt, the rotating shaft is supported by the main shaft upper bearing group and the main shaft lower bearing, the rotating precision and the rigidity of the rotating shaft can be effectively guaranteed, and the tensioning of the transmission belt is controlled by adjusting the position of the motor mounting plate. The chuck seat is arranged on the rotating shaft and rotates along with the rotating shaft, the spring chuck is arranged in the chuck seat, and the disc-shaped spring group is compressed by controlling the oil cylinder, so that the chuck pull rod and the spring chuck are driven to move upwards together, and the loosening action of the spring chuck is realized; by controlling the oil cylinder to unload, the compressed disc spring group enables the chuck pull rod and the spring chuck to move downwards together under the action of elastic force, so that the clamping action of the spring chuck is realized.
And the Z-direction slide carriage slides along the Z-axis slide rail direction to form linear movement in the Z-axis direction, so that the spinning mechanism is driven to move up and down in the Z-axis direction, and the spinning mechanism is smooth in movement and good in stability.
Fourthly, the spinning mechanism further comprises a mounting seat, a second servo motor, a coupler, a ball screw pair and a chuck pull rod, wherein the chuck is fixed on the mounting seat, the second servo motor is connected with the ball screw pair through the coupler, the upper end of the chuck pull rod is connected with the ball screw pair, the lower end of the chuck pull rod is connected with the chuck, the chuck pull rod reciprocates up and down under the action of the second servo motor, the chuck pull rod moves up and down along the axial direction by controlling the rotation of the second servo motor, so that a base jaw of the chuck is driven to move along the radial direction of the chuck, the rolling function of a roller component arranged on the base jaw of the chuck on the sliding shoe is realized, and the spinning mechanism has good spinning stability.
And fifthly, a force sensor for monitoring the rolling of the roller assembly on the sliding shoe in the spinning process is arranged in the roller assembly, and the spinning pressure in the spinning process can be monitored in real time by arranging the force sensor, so that the improvement of the closing precision of the sliding shoe is facilitated.
According to the invention, the center assembly comprises the mounting sleeve, the center and the compression spring, the center is fixed on the mounting sleeve through the compression spring, the jacking force of the center on the plunger ball head is changed by adjusting the elasticity of the compression spring, the requirement of plunger assemblies of different specifications on the jacking force can be realized, and the applicability is strong.
The manipulator comprises a mounting plate, a swing cylinder, a connecting plate, a lifting cylinder and a finger assembly arranged on the lifting cylinder, wherein the mounting plate is fixed on the lathe bed, the swing cylinder is fixed on the mounting plate, one end of the connecting plate is hinged with the swing cylinder, the other end of the connecting plate is fixedly connected with the lifting cylinder, the finger assembly reciprocates up and down under the action of the lifting cylinder, and the manipulator can flexibly complete the feeding and discharging work of the plunger assembly, so that the safety of operators is improved.
Drawings
The invention will be further described in detail with reference to the drawings and the detailed description, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic structural diagram of the spinning mechanism of the present invention;
FIG. 5 is a schematic view of the construction of the workpiece spindle of the present invention;
FIG. 6 is a schematic view of the robot of the present invention;
the labels in the figure are: 10. a lathe bed, 20, a column, 30, a spinning mechanism, 301, a second servo motor, 302, a coupler, 303, a ball screw pair, 304, a chuck pull rod, 305, a chuck, 306, a tip assembly, 307, a roller assembly, 308, a mounting seat, 3061, a mounting sleeve, 3062, a tip, 3063, a compression spring, 40, a workpiece spindle, 401, a collet chuck, 402, a collet seat, 403, a rotating shaft, 404, a collet pull rod, 405, a spindle upper bearing set, 406, a spindle outer sleeve, 407, a belleville spring set, 408, a spindle lower bearing, 409, a spindle pulley, 410, a cylinder, 411, a transmission belt, 412, a motor pulley, 413, a first servo motor, 414, a motor mounting seat, 415, a motor mounting plate, 50, a manipulator, 501, a mounting plate, 502, a swing cylinder, 503, a connecting plate, 504, a finger assembly, 505, a lifting cylinder, 60, a sliding mechanism, 601, a Z-axis slide rail, 602. a Z-direction slide carriage, 70 and a force sensor.
Detailed Description
Example 1
Referring to fig. 1, 2 and 4, a machine tool for closing up a sliding shoe comprises a machine body 10, wherein a column 20 and a workpiece spindle 40 for clamping the sliding shoe are fixedly connected to the machine body 10, a sliding mechanism 60 is fixedly connected to the column 20, a spinning mechanism 30 for spinning the sliding shoe is connected to the sliding mechanism 60, the spinning mechanism 30 is located right above the workpiece spindle 40, the spinning mechanism 30 comprises a chuck 305, a roller assembly 307 and a tip assembly 306 for pressing against a plunger ball head, the roller assembly 307 is installed on a base jaw of the chuck 305, the tip assembly 306 is installed in the center of the chuck 305, a manipulator 50 is installed on the machine body 10, the manipulator 50 is located on one side of the workpiece spindle 40, and the rotation axis of the spinning mechanism 30 is coaxial with the rotation axis of the workpiece spindle 40.
The present embodiment is the most basic embodiment, and the workpiece spindle and the spinning mechanism in the prior art are sufficient. The lathe bed is fixedly connected with a vertical column and a workpiece main shaft for clamping a sliding shoe, the vertical column is fixedly connected with a sliding mechanism, the sliding mechanism is connected with a spinning mechanism for spinning the sliding shoe, the spinning mechanism is positioned right above the workpiece main shaft and comprises a chuck, a roller assembly and a tip assembly for tightly propping against a plunger ball head, the roller assembly is arranged on a base jaw of the chuck, the tip assembly is arranged at the center of the chuck, the lathe bed is provided with a manipulator, the manipulator is positioned at one side of the workpiece main shaft, the rotary axis of the spinning mechanism is coaxial with the rotary axis of the workpiece main shaft, when the lathe bed is used, the sliding shoe in the plunger assembly is clamped on the workpiece main shaft and rotates along with the workpiece main shaft, the plunger ball head is tightly attached to the spherical surface of the sliding shoe through the tip after being arranged in the sliding shoe, the roller assembly arranged on the chuck base jaw rolls the sliding shoe by controlling the spinning mechanism, and then the sliding mechanism is controlled to, the method has the characteristics of good stability of screwing precision and high yield.
Example 2
Referring to fig. 1, 2, 4 and 5, a machine tool for closing up a sliding shoe comprises a machine body 10, wherein a column 20 and a workpiece spindle 40 for clamping the sliding shoe are fixedly connected to the machine body 10, a sliding mechanism 60 is fixedly connected to the column 20, a spinning mechanism 30 for spinning the sliding shoe is connected to the sliding mechanism 60, the spinning mechanism 30 is located right above the workpiece spindle 40, the spinning mechanism 30 comprises a chuck 305, a roller assembly 307 and a tip assembly 306 for pressing against a plunger ball head, the roller assembly 307 is installed on a base jaw of the chuck 305, the tip assembly 306 is installed at the center of the chuck 305, a manipulator 50 is installed on the machine body 10, the manipulator 50 is located on one side of the workpiece spindle 40, and a rotation axis of the spinning mechanism 30 is coaxial with a rotation axis of the workpiece spindle 40.
The workpiece spindle 40 comprises a spindle outer sleeve 406, a collet 401, a collet seat 402, a rotating shaft 403, a collet pull rod 404, a spindle upper bearing set 405, a belleville spring set 407, a spindle lower bearing 408, a spindle pulley 409, an oil cylinder 410, a transmission belt 411, a motor pulley 412, a first servo motor 413, a motor mounting seat 414 and a motor mounting plate 415, the spindle outer sleeve 406 is fixedly connected with the lathe bed 10, the motor mounting seat 414 is fixed on the side wall of the lathe bed 10, the rotating shaft 403 is arranged in the spindle outer sleeve 406 through the spindle upper bearing set 405 and the spindle lower bearing 408, the collet seat 402 is arranged on the rotating shaft 403, the collet 401 is arranged in the collet seat 402, one end of the collet pull rod 404 is connected with the collet 401, the other end is connected with the upper end of the belleville spring set 407, the oil cylinder 410 is connected with the lower end of the belleville spring set 407, the spindle pulley 409 is fixed on the rotating shaft 403, a, the motor pulley 412 is fixed on a first servo motor 413, and the motor pulley 412 is in transmission connection with a spindle pulley 409 through a transmission belt 411.
The embodiment is a preferred embodiment, the workpiece spindle comprises a spindle outer sleeve, a collet chuck, a chuck base, a rotating shaft, a chuck pull rod, a spindle upper bearing set, a belleville spring set, a spindle lower bearing, a spindle belt pulley, an oil cylinder, a transmission belt, a motor belt pulley, a first servo motor, a motor mounting base and a motor mounting plate, the spindle outer sleeve is fixedly connected with the lathe bed, the motor mounting base is fixed on the side wall of the lathe bed, the rotating shaft is mounted in the spindle outer sleeve through the spindle upper bearing set and the spindle lower bearing, the chuck base is mounted on the rotating shaft, the collet chuck is arranged in the chuck base, one end of the chuck pull rod is connected with the collet chuck, the other end of the collet pull rod is connected with the upper end of the belleville spring set, the oil cylinder is connected with the lower end of the belleville spring set, the spindle belt pulley is fixed on, the motor belt wheel is in transmission connection with the main shaft belt wheel through a transmission belt, the rotating shaft is supported by the main shaft upper bearing group and the main shaft lower bearing, the rotating precision and the rigidity of the rotating shaft can be effectively guaranteed, and the tensioning of the transmission belt is controlled by adjusting the position of the motor mounting plate. The chuck seat is arranged on the rotating shaft and rotates along with the rotating shaft, the spring chuck is arranged in the chuck seat, and the disc-shaped spring group is compressed by controlling the oil cylinder, so that the chuck pull rod and the spring chuck are driven to move upwards together, and the loosening action of the spring chuck is realized; by controlling the oil cylinder to unload, the compressed disc spring group enables the chuck pull rod and the spring chuck to move downwards together under the action of elastic force, so that the clamping action of the spring chuck is realized.
Example 3
Referring to fig. 1, 2, 4 and 5, a machine tool for closing up a sliding shoe comprises a machine body 10, wherein a column 20 and a workpiece spindle 40 for clamping the sliding shoe are fixedly connected to the machine body 10, a sliding mechanism 60 is fixedly connected to the column 20, a spinning mechanism 30 for spinning the sliding shoe is connected to the sliding mechanism 60, the spinning mechanism 30 is located right above the workpiece spindle 40, the spinning mechanism 30 comprises a chuck 305, a roller assembly 307 and a tip assembly 306 for pressing against a plunger ball head, the roller assembly 307 is installed on a base jaw of the chuck 305, the tip assembly 306 is installed at the center of the chuck 305, a manipulator 50 is installed on the machine body 10, the manipulator 50 is located on one side of the workpiece spindle 40, and a rotation axis of the spinning mechanism 30 is coaxial with a rotation axis of the workpiece spindle 40.
The workpiece spindle 40 comprises a spindle outer sleeve 406, a collet 401, a collet seat 402, a rotating shaft 403, a collet pull rod 404, a spindle upper bearing set 405, a belleville spring set 407, a spindle lower bearing 408, a spindle pulley 409, an oil cylinder 410, a transmission belt 411, a motor pulley 412, a first servo motor 413, a motor mounting seat 414 and a motor mounting plate 415, the spindle outer sleeve 406 is fixedly connected with the lathe bed 10, the motor mounting seat 414 is fixed on the side wall of the lathe bed 10, the rotating shaft 403 is arranged in the spindle outer sleeve 406 through the spindle upper bearing set 405 and the spindle lower bearing 408, the collet seat 402 is arranged on the rotating shaft 403, the collet 401 is arranged in the collet seat 402, one end of the collet pull rod 404 is connected with the collet 401, the other end is connected with the upper end of the belleville spring set 407, the oil cylinder 410 is connected with the lower end of the belleville spring set 407, the spindle pulley 409 is fixed on the rotating shaft 403, a, the motor pulley 412 is fixed on a first servo motor 413, and the motor pulley 412 is in transmission connection with a spindle pulley 409 through a transmission belt 411.
The sliding mechanism 60 comprises a Z-axis slide rail 601 and a Z-axis slide carriage 602, the Z-axis slide rail 601 is fixed on the upright post 20, the Z-axis slide carriage 602 is connected with the Z-axis slide rail 601 in a sliding manner, and the spinning mechanism 30 is vertically fixed on the Z-axis slide carriage 602.
In another preferred embodiment, the sliding mechanism includes a Z-axis slide rail and a Z-axis slide carriage, the Z-axis slide rail is fixed on the column, the Z-axis slide carriage is slidably connected to the Z-axis slide rail, the spinning mechanism is vertically fixed on the Z-axis slide carriage, and the Z-axis slide carriage slides along the Z-axis slide rail to form a linear movement in the Z-axis direction, so as to drive the spinning mechanism to move up and down in the Z-axis direction, which is smooth in movement and good in stability.
Example 4
Referring to fig. 1, 2, 4 and 5, a machine tool for closing up a sliding shoe comprises a machine body 10, wherein a column 20 and a workpiece spindle 40 for clamping the sliding shoe are fixedly connected to the machine body 10, a sliding mechanism 60 is fixedly connected to the column 20, a spinning mechanism 30 for spinning the sliding shoe is connected to the sliding mechanism 60, the spinning mechanism 30 is located right above the workpiece spindle 40, the spinning mechanism 30 comprises a chuck 305, a roller assembly 307 and a tip assembly 306 for pressing against a plunger ball head, the roller assembly 307 is installed on a base jaw of the chuck 305, the tip assembly 306 is installed at the center of the chuck 305, a manipulator 50 is installed on the machine body 10, the manipulator 50 is located on one side of the workpiece spindle 40, and a rotation axis of the spinning mechanism 30 is coaxial with a rotation axis of the workpiece spindle 40.
The workpiece spindle 40 comprises a spindle outer sleeve 406, a collet 401, a collet seat 402, a rotating shaft 403, a collet pull rod 404, a spindle upper bearing set 405, a belleville spring set 407, a spindle lower bearing 408, a spindle pulley 409, an oil cylinder 410, a transmission belt 411, a motor pulley 412, a first servo motor 413, a motor mounting seat 414 and a motor mounting plate 415, the spindle outer sleeve 406 is fixedly connected with the lathe bed 10, the motor mounting seat 414 is fixed on the side wall of the lathe bed 10, the rotating shaft 403 is arranged in the spindle outer sleeve 406 through the spindle upper bearing set 405 and the spindle lower bearing 408, the collet seat 402 is arranged on the rotating shaft 403, the collet 401 is arranged in the collet seat 402, one end of the collet pull rod 404 is connected with the collet 401, the other end is connected with the upper end of the belleville spring set 407, the oil cylinder 410 is connected with the lower end of the belleville spring set 407, the spindle pulley 409 is fixed on the rotating shaft 403, a, the motor pulley 412 is fixed on a first servo motor 413, and the motor pulley 412 is in transmission connection with a spindle pulley 409 through a transmission belt 411.
The sliding mechanism 60 comprises a Z-axis slide rail 601 and a Z-axis slide carriage 602, the Z-axis slide rail 601 is fixed on the upright post 20, the Z-axis slide carriage 602 is connected with the Z-axis slide rail 601 in a sliding manner, and the spinning mechanism 30 is vertically fixed on the Z-axis slide carriage 602.
The spinning mechanism 30 further comprises a mounting base 308, a second servo motor 301, a coupler 302, a ball screw pair 303 and a chuck pull rod 304, the chuck 305 is fixed on the mounting base 308, the second servo motor 301 is connected with the ball screw pair 303 through the coupler 302, the upper end of the chuck pull rod 304 is connected with the ball screw pair 303, the lower end of the chuck pull rod 304 is connected with the chuck 305, and the chuck pull rod 304 reciprocates up and down under the action of the second servo motor 301.
The present embodiment is still another preferred embodiment, the spinning mechanism further includes a mounting seat, a second servo motor, a coupler, a ball screw pair and a chuck pull rod, the chuck is fixed on the mounting seat, the second servo motor is connected with the ball screw pair through the coupler, an upper end of the chuck pull rod is connected with the ball screw pair, a lower end of the chuck pull rod is connected with the chuck, the chuck pull rod reciprocates up and down under the action of the second servo motor, and the chuck pull rod moves up and down along the axial direction by controlling the rotation of the second servo motor, so as to drive a base jaw of the chuck to move along the chuck radial direction, thereby realizing a rolling function of a roller assembly installed on the base jaw of the chuck on the sliding shoe, and having good spinning stability.
Example 5
Referring to fig. 1, 2, 4 and 5, a machine tool for closing up a sliding shoe comprises a machine body 10, wherein a column 20 and a workpiece spindle 40 for clamping the sliding shoe are fixedly connected to the machine body 10, a sliding mechanism 60 is fixedly connected to the column 20, a spinning mechanism 30 for spinning the sliding shoe is connected to the sliding mechanism 60, the spinning mechanism 30 is located right above the workpiece spindle 40, the spinning mechanism 30 comprises a chuck 305, a roller assembly 307 and a tip assembly 306 for pressing against a plunger ball head, the roller assembly 307 is installed on a base jaw of the chuck 305, the tip assembly 306 is installed at the center of the chuck 305, a manipulator 50 is installed on the machine body 10, the manipulator 50 is located on one side of the workpiece spindle 40, and a rotation axis of the spinning mechanism 30 is coaxial with a rotation axis of the workpiece spindle 40.
The workpiece spindle 40 comprises a spindle outer sleeve 406, a collet 401, a collet seat 402, a rotating shaft 403, a collet pull rod 404, a spindle upper bearing set 405, a belleville spring set 407, a spindle lower bearing 408, a spindle pulley 409, an oil cylinder 410, a transmission belt 411, a motor pulley 412, a first servo motor 413, a motor mounting seat 414 and a motor mounting plate 415, the spindle outer sleeve 406 is fixedly connected with the lathe bed 10, the motor mounting seat 414 is fixed on the side wall of the lathe bed 10, the rotating shaft 403 is arranged in the spindle outer sleeve 406 through the spindle upper bearing set 405 and the spindle lower bearing 408, the collet seat 402 is arranged on the rotating shaft 403, the collet 401 is arranged in the collet seat 402, one end of the collet pull rod 404 is connected with the collet 401, the other end is connected with the upper end of the belleville spring set 407, the oil cylinder 410 is connected with the lower end of the belleville spring set 407, the spindle pulley 409 is fixed on the rotating shaft 403, a, the motor pulley 412 is fixed on a first servo motor 413, and the motor pulley 412 is in transmission connection with a spindle pulley 409 through a transmission belt 411.
The sliding mechanism 60 comprises a Z-axis slide rail 601 and a Z-axis slide carriage 602, the Z-axis slide rail 601 is fixed on the upright post 20, the Z-axis slide carriage 602 is connected with the Z-axis slide rail 601 in a sliding manner, and the spinning mechanism 30 is vertically fixed on the Z-axis slide carriage 602.
The spinning mechanism 30 further comprises a mounting base 308, a second servo motor 301, a coupler 302, a ball screw pair 303 and a chuck pull rod 304, the chuck 305 is fixed on the mounting base 308, the second servo motor 301 is connected with the ball screw pair 303 through the coupler 302, the upper end of the chuck pull rod 304 is connected with the ball screw pair 303, the lower end of the chuck pull rod 304 is connected with the chuck 305, and the chuck pull rod 304 reciprocates up and down under the action of the second servo motor 301.
And a force sensor 70 for monitoring the rolling of the roller assembly 307 on the sliding shoe in the spinning process is arranged in the roller assembly 307.
The apex assembly 306 comprises a mounting sleeve 3061, an apex 3062 and a compression spring 3063, and the apex 3062 is fixed on the mounting sleeve 3061 through the compression spring 3063.
The roller assembly is provided with a force sensor for monitoring the rolling of the roller assembly on the sliding shoe in the spinning process, and the force sensor can monitor the spinning pressure in the spinning process in real time, so that the improvement of the closing precision of the sliding shoe is facilitated.
The top subassembly includes mounting sleeve, top and compression spring, and top is fixed on the mounting sleeve through compression spring, changes top tight power to the top of plunger bulb through adjustment compression spring's elasticity, can realize the requirement of the tight power of the plunger subassembly of different specifications to the top, and the suitability is strong.
Example 6
Referring to fig. 1-6, a machine tool for closing up a sliding shoe comprises a machine body 10, wherein a column 20 and a workpiece spindle 40 for clamping the sliding shoe are fixedly connected to the machine body 10, a sliding mechanism 60 is fixedly connected to the column 20, a spinning mechanism 30 for spinning the sliding shoe is connected to the sliding mechanism 60, the spinning mechanism 30 is located right above the workpiece spindle 40, the spinning mechanism 30 comprises a chuck 305, a roller assembly 307 and a tip assembly 306 for pressing against a plunger ball head, the roller assembly 307 is installed on a base jaw of the chuck 305, the tip assembly 306 is installed at the center of the chuck 305, a manipulator 50 is installed on the machine body 10, the manipulator 50 is located on one side of the workpiece spindle 40, and the rotation axis of the spinning mechanism 30 is coaxial with the rotation axis of the workpiece spindle 40.
The workpiece spindle 40 comprises a spindle outer sleeve 406, a collet 401, a collet seat 402, a rotating shaft 403, a collet pull rod 404, a spindle upper bearing set 405, a belleville spring set 407, a spindle lower bearing 408, a spindle pulley 409, an oil cylinder 410, a transmission belt 411, a motor pulley 412, a first servo motor 413, a motor mounting seat 414 and a motor mounting plate 415, the spindle outer sleeve 406 is fixedly connected with the lathe bed 10, the motor mounting seat 414 is fixed on the side wall of the lathe bed 10, the rotating shaft 403 is arranged in the spindle outer sleeve 406 through the spindle upper bearing set 405 and the spindle lower bearing 408, the collet seat 402 is arranged on the rotating shaft 403, the collet 401 is arranged in the collet seat 402, one end of the collet pull rod 404 is connected with the collet 401, the other end is connected with the upper end of the belleville spring set 407, the oil cylinder 410 is connected with the lower end of the belleville spring set 407, the spindle pulley 409 is fixed on the rotating shaft 403, a, the motor pulley 412 is fixed on a first servo motor 413, and the motor pulley 412 is in transmission connection with a spindle pulley 409 through a transmission belt 411.
The sliding mechanism 60 comprises a Z-axis slide rail 601 and a Z-axis slide carriage 602, the Z-axis slide rail 601 is fixed on the upright post 20, the Z-axis slide carriage 602 is connected with the Z-axis slide rail 601 in a sliding manner, and the spinning mechanism 30 is vertically fixed on the Z-axis slide carriage 602.
The spinning mechanism 30 further comprises a mounting base 308, a second servo motor 301, a coupler 302, a ball screw pair 303 and a chuck pull rod 304, the chuck 305 is fixed on the mounting base 308, the second servo motor 301 is connected with the ball screw pair 303 through the coupler 302, the upper end of the chuck pull rod 304 is connected with the ball screw pair 303, the lower end of the chuck pull rod 304 is connected with the chuck 305, and the chuck pull rod 304 reciprocates up and down under the action of the second servo motor 301.
And a force sensor 70 for monitoring the rolling of the roller assembly 307 on the sliding shoe in the spinning process is arranged in the roller assembly 307.
The apex assembly 306 comprises a mounting sleeve 3061, an apex 3062 and a compression spring 3063, and the apex 3062 is fixed on the mounting sleeve 3061 through the compression spring 3063.
The manipulator 50 comprises a mounting plate 501, a swing cylinder 502, a connecting plate 503, a lifting cylinder 505 and a finger assembly 504 arranged on the lifting cylinder 505, wherein the mounting plate 501 is fixed on the lathe bed 10, the swing cylinder 502 is fixed on the mounting plate 501, one end of the connecting plate 503 is hinged to the swing cylinder 502, the other end of the connecting plate 503 is fixedly connected with the lifting cylinder 505, and the finger assembly 504 reciprocates up and down under the action of the lifting cylinder 505.
The embodiment is a best implementation mode, a vertical column and a workpiece spindle for clamping a sliding shoe are fixedly connected to a lathe bed, a sliding mechanism is fixedly connected to the vertical column, a spinning mechanism for spinning the sliding shoe is connected to the sliding mechanism, the spinning mechanism is located right above the workpiece spindle, the spinning mechanism comprises a chuck, a roller assembly and a tip assembly for jacking a plunger ball head, the roller assembly is installed on a base jaw of the chuck, the tip assembly is installed at the center of the chuck, a manipulator is installed on the lathe bed, the manipulator is located on one side of the workpiece spindle, the rotary axis of the spinning mechanism is coaxial with the rotary axis of the workpiece spindle, when the machine is used, the sliding shoe in the plunger assembly is clamped on the workpiece spindle and rotates along with the workpiece spindle, the plunger ball head is tightly attached to the spherical surface of the sliding shoe through the tip after being installed in the sliding shoe, the roller assembly is used for rolling the sliding shoe by controlling the spinning mechanism, and then the sliding mechanism is controlled to enable the spinning mechanism to finish the closing processing of the sliding shoe, and the spinning mechanism has the characteristics of good spinning precision stability and high yield.
The manipulator includes the mounting panel, swing cylinder, the connecting plate, lift cylinder and sets up the finger subassembly on lift cylinder, and the mounting panel is fixed on the lathe bed, and swing cylinder fixes on the mounting panel, and the one end and the swing cylinder of connecting plate are articulated, the other end and the lift cylinder fixed connection of connecting plate, and the finger subassembly is reciprocating motion about making under lift cylinder's effect, through the material loading and the unloading work of completion plunger subassembly that the manipulator can be nimble, improves operating personnel's security.
The working principle of the workpiece spindle is as follows: the main shaft upper bearing group adopts the pairing combination of a double-row cylindrical roller bearing and an angular contact ball bearing, and the main shaft lower bearing adopts a double-row cylindrical roller bearing. The main shaft belt wheel is fixed on the rotating shaft through a flat key, and the main shaft belt wheel and the rotating shaft are driven to rotate through a transmission belt by a motor belt wheel arranged on the first servo motor. The motor belt wheel is fixed on the first servo motor in a key or expansion sleeve mode. First servo motor passes through the motor mounting panel to be fixed on the motor mount pad, and the tensioning of accessible adjustment motor mounting panel's position control drive belt. The motor mounting seat is arranged on the side surface of the bed body. The chuck seat is arranged on the rotating shaft and rotates along with the rotating shaft, the spring chuck is arranged in the chuck seat, and the disc-shaped spring group is compressed by controlling the oil cylinder, so that the chuck pull rod and the spring chuck are driven to move upwards together, and the loosening action of the spring chuck is realized; by controlling the unloading of the oil cylinder, the compressed disc spring group enables the chuck pull rod and the spring chuck to move downwards together under the action of elastic force, so that the clamping action of the spring chuck is realized. The rotation of the spring chuck along the axis of the workpiece spindle forms an S-shaft, and the S-shaft is driven by a transmission belt or a gear to rotate.
The working principle of the spinning mechanism is as follows: the second servo motor is connected with a ball screw of the ball screw pair through a coupler, the upper end of the chuck pull rod is fixedly connected with a nut of the ball screw pair through a screw, and the lower end of the chuck pull rod is fixedly connected with a wedge block of the chuck through threads. The chuck pull rod moves up and down along the axial direction by controlling the rotation of the second servo motor, so that the base jaw of the chuck is driven to move along the radial direction of the chuck, and the rolling function of the roller assembly arranged on the base jaw of the chuck on the sliding shoe is realized.
The working principle of the manipulator is as follows:
before the closing processing of the sliding shoe, a plunger of the plunger assembly is manually placed into the finger assembly, the sliding shoe is placed into a spring chuck on the workpiece spindle, and the finger assembly clamps the plunger through the elastic force of a compression spring. By controlling the swing of the swing cylinder, the plunger clamped on the finger assembly moves to the upper part of the sliding shoe along with the connecting plate arranged on the swing cylinder. And the lifting cylinder arranged on the connecting plate descends to enable the plunger ball head to be placed in the sliding shoe, so that the feeding work of the plunger assembly is completed. When the tip in the spinning mechanism descends and props against the ball head of the plunger, the spring chuck on the workpiece spindle clamps the sliding shoe, and then the swinging cylinder is controlled to swing again to enable the finger assembly to return to the original position. After closing of the sliding shoe is completed, the swinging cylinder is controlled to swing again, the finger assembly enters the processing area and clamps the plunger, after the spinning mechanism moves upwards and returns to the original position and the spring chuck is loosened, the lifting cylinder is controlled to ascend to enable the sliding shoe to be separated from the spring chuck, and finally the swinging cylinder is controlled to swing and return to the original position, so that the blanking work of the plunger assembly is completed.
Claims (7)
1. A lathe for sliding shoe binding off includes lathe bed (10), its characterized in that: the lathe bed (10) is fixedly connected with a vertical column (20) and a workpiece main shaft (40) used for clamping a sliding shoe, a sliding mechanism (60) is fixedly connected to the upright post (20), a spinning mechanism (30) for spinning the sliding shoe is connected to the sliding mechanism (60), the spinning mechanism (30) is positioned right above the workpiece spindle (40), the spinning mechanism (30) comprises a chuck (305), a roller assembly (307) and a tip assembly (306) for tightly propping against the ball head of the plunger, the roller assembly (307) is mounted on the base jaw of the chuck (305), the apex assembly (306) is mounted at the center of the chuck (305), a mechanical hand (50) is arranged on the lathe bed (10), the mechanical hand (50) is positioned at one side of the workpiece main shaft (40), the rotary axis of the spinning mechanism (30) is coaxial with the rotary axis of the workpiece spindle (40).
2. The machine tool for closing up a sliding shoe according to claim 1, wherein: the workpiece spindle (40) comprises a spindle outer sleeve (406), a collet chuck (401), a chuck base (402), a rotating shaft (403), a chuck pull rod (404), a spindle upper bearing group (405), a disc spring group (407), a spindle lower bearing (408), a spindle pulley (409), an oil cylinder (410), a transmission belt (411), a motor pulley (412), a first servo motor (413), a motor mounting seat (414) and a motor mounting plate (415), wherein the spindle outer sleeve (406) is fixedly connected with the lathe bed (10), the motor mounting seat (414) is fixed on the side wall of the lathe bed (10), the rotating shaft (403) is mounted in the spindle outer sleeve (406) through the spindle upper bearing group (405) and the spindle lower bearing (408), the chuck base (402) is mounted on the rotating shaft (403), the collet chuck (401) is arranged in the chuck base (402), one end of the chuck pull rod (404) is connected with the collet chuck (401), the other end of the main shaft is connected with the upper end of a disc spring group (407), an oil cylinder (410) is connected with the lower end of the disc spring group (407), a main shaft belt wheel (409) is fixed on a rotating shaft (403), a first servo motor (413) is fixed on a motor mounting seat (414) through a motor mounting plate (415), a motor belt wheel (412) is fixed on the first servo motor (413), and the motor belt wheel (412) is in transmission connection with the main shaft belt wheel (409) through a transmission belt (411).
3. The machine tool for closing up a sliding shoe according to claim 1, wherein: the sliding mechanism (60) comprises a Z-axis slide rail (601) and a Z-axis slide rail (602), the Z-axis slide rail (601) is fixed on the upright post (20), the Z-axis slide rail (602) is connected with the Z-axis slide rail (601) in a sliding manner, and the spinning mechanism (30) is vertically fixed on the Z-axis slide rail (602).
4. The machine tool for closing up a sliding shoe according to claim 1, wherein: spinning mechanism (30) still includes mount pad (308), second servo motor (301), shaft coupling (302), ball screw is vice (303) and chuck pull rod (304), chuck (305) are fixed on mount pad (308), second servo motor (301) are connected with ball screw is vice (303) through shaft coupling (302), the upper end and the ball screw of chuck pull rod (304) are vice (303) are connected, the lower extreme and chuck (305) of chuck pull rod (304) are connected, chuck pull rod (304) do reciprocating motion from top to bottom under the effect of second servo motor (301).
5. The machine tool for closing up a sliding shoe according to claim 1, wherein: and a force sensor (70) for monitoring the rolling of the roller assembly (307) on the sliding shoe in the spinning process is arranged in the roller assembly (307).
6. The machine tool for closing up a sliding shoe according to claim 1, wherein: the center assembly (306) comprises a mounting sleeve (3061), a center (3062) and a compression spring (3063), and the center (3062) is fixed on the mounting sleeve (3061) through the compression spring (3063).
7. The machine tool for closing up a sliding shoe according to claim 1, wherein: the manipulator (50) comprises a mounting plate (501), a swing cylinder (502), a connecting plate (503), a lifting cylinder (505) and a finger assembly (504) arranged on the lifting cylinder (505), the mounting plate (501) is fixed on the lathe bed (10), the swing cylinder (502) is fixed on the mounting plate (501), one end of the connecting plate (503) is hinged to the swing cylinder (502), the other end of the connecting plate (503) is fixedly connected with the lifting cylinder (505), and the finger assembly (504) reciprocates up and down under the action of the lifting cylinder (505).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910971086.5A CN110695224B (en) | 2019-10-14 | 2019-10-14 | Machine tool for closing up sliding shoes |
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| CN201910971086.5A CN110695224B (en) | 2019-10-14 | 2019-10-14 | Machine tool for closing up sliding shoes |
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| CN110695224B CN110695224B (en) | 2021-04-16 |
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| CN113275442A (en) * | 2021-05-27 | 2021-08-20 | 宁波日安阀门有限公司 | Closing-up spin-riveting device and closing-up spin-riveting method |
| CN113351722A (en) * | 2021-06-23 | 2021-09-07 | 上海交通大学 | Multi-stage expanding spinning forming device and method for processing ribbed long-tube component |
| CN114473435A (en) * | 2021-12-23 | 2022-05-13 | 无锡鹰贝精密液压有限公司 | Plunger type back-off pressing tool |
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| CN114473435A (en) * | 2021-12-23 | 2022-05-13 | 无锡鹰贝精密液压有限公司 | Plunger type back-off pressing tool |
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| CN110695224B (en) | 2021-04-16 |
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