An automatic pump liner grinder

Abstract

The utility model discloses an automatic pump gall -bladder grinder relates to plunger pump part machining technical field, include: case subassembly, operation bench subassembly, elevating system, support arm, oil distribution disc drive subassembly, oil distribution disc expansion tool, expansion seat support and crank mechanism, counterweight sleeve is located the outside of internal hex sleeve, locking cap and internal hex sleeve joint cooperation connection, second motor can drive hex link to rotate, expansion seat support includes inner ring and outer ring, and inner ring can rotate around X axle, and oil distribution disc expansion tool is disassembled and installed in the inner ring, and counterweight is pressed in the top surface of inner ring, crank mechanism includes crank motor and crank drive subassembly, and crank motor is connected with control button group signal, and crank motor is installed on the operation bench, and one end of crank drive subassembly is connected with the output shaft transmission of crank motor, and the other end is connected with expansion seat support universal transmission, to drive expansion seat support reciprocating swing along Y axle when driving motor works, simple structure, convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of plunger pump parts processing technology, and in particular to an automatic pump chamber grinding machine. Background Technology

[0002] The working principle of a plunger pump relies on the reciprocating motion of the plunger within the cylinder block, changing the volume of the sealed working cavity to achieve oil suction and pressure. The oil discharged by the plunger pump enters and exits through the oblong orifice on the distributor plate. Before mass production of a plunger pump, it must undergo numerous repeated tests to achieve the expected output power. If the expected output power is not achieved in each test, the plunger pump must be disassembled to observe the contact surfaces between the cylinder block and the distributor plate, as well as the scratches on the distributor plate. Since the cylinder block is mostly made of copper and the distributor plate is made of steel, the distributor plate is harder than the cylinder block. The marks left by the cylinder block on the distributor plate are not dents, but rather imprints from the rotational friction of its own material. The output power of the plunger pump is largely affected by the fit between the cylinder block and the distributor plate; technicians can judge the fit by the depth of the scratches. Before reassembling the distributor plate back into the plunger pump, it needs to be ground to remove scratches and its thickness appropriately reduced before reassembly and testing continues until the expected output power is achieved. Finally, the distributor plates are mass-produced using this final thickness, and the mass assembly of the plunger pumps is completed. However, currently, batch grinding of the oil distribution plate is usually carried out on a grinding machine, but in the experimental stage, if it is necessary to grind a single oil distribution plate, it can only be done manually. Manual grinding is not only inefficient, but also causes fatigue to the operators over long periods of time, which in turn leads to a decrease in grinding accuracy. Therefore, there is an urgent need for an electric grinding device to improve grinding efficiency and accuracy. Utility Model Content

[0003] The purpose of this invention is to provide an automatic pump chamber grinder to solve the problems of low efficiency and high cost of manual operation when grinding the oil distribution plate. It has a simple structure and is easy to use.

[0004] To achieve the above objectives, this utility model provides the following solution:

[0005] This utility model provides an automatic pump cylinder grinding machine, including: a chassis assembly, an operating table assembly, a lifting mechanism, a support arm, an oil distribution plate drive assembly, an oil distribution plate tensioning fixture, an expansion seat bracket, and a crank mechanism. The chassis assembly includes a chassis, multiple support feet, a first motor, a three-jaw chuck, and a control button group. Each support foot is located at the bottom of the chassis. The first motor is installed inside the chassis, and its output axis extends upward and connects to the three-jaw chuck to control the three-jaw chuck to fix the cylinder body. The control button group is located on one side of the chassis and is signal-connected to the first motor. The control panel assembly includes multiple support rods and a control panel. The control panel is fixed to the upper part of the chassis via the support rods. A circular hole is provided in the center of the control panel to allow the cylinder to pass through the hole and protrude upwards from the control panel. The fixed end of the lifting mechanism is fixedly connected to one end of the top surface of the control panel. The support arm is vertically fixedly connected to the lifting end of the lifting mechanism. The oil distribution plate drive assembly includes a second motor, a universal joint, a hexagonal connecting rod, an internal hexagonal sleeve, and a counterweight. The second motor is signal-connected to the control button group and is fixedly connected to the end of the support arm away from the lifting mechanism. The output shaft of the second motor... Extending downwards and aligned coaxially with the central axis of the three-jaw chuck, the top end of the hexagonal connecting rod is connected to the output shaft of the first motor via a universal joint. An inner hexagonal sleeve is fitted over the outer side of the hexagonal connecting rod and slidably connected to it, forming a hexagonal opening at the bottom. The counterweight is detachably fitted over the outer side of the inner hexagonal sleeve. A distribution plate tightening fixture is detachably fixed to the distribution plate, and a locking cap is provided at the top of the fixture. The locking cap extends into the hexagonal opening to engage with the inner hexagonal sleeve. The second motor can drive... The hexagonal connecting rod is rotated to drive the oil distribution plate to rotate; the expansion seat bracket includes an inner ring and an outer ring, the inner ring is rotatable around the X-axis, the oil distribution plate expansion clamping fixture is installed and removed in the inner ring, and the counterweight is pressed against the top surface of the inner ring; the crank mechanism includes a crank motor and a crank transmission assembly, the crank motor is signal-connected to the control button group, the crank motor is mounted on the operating table, one end of the crank transmission assembly is drive-connected to the output shaft of the crank motor, and the other end is universally drive-connected to the expansion seat bracket to drive the expansion seat bracket to reciprocate along the Y-axis when the crank motor is working.

[0006] Preferably, the lifting mechanism includes a lifting sleeve, a lifting rod, a bracket, a lead screw, a gearbox, and a lifting motor. The lifting sleeve is fixedly connected to the operating table. The lifting rod is sleeved within the lifting sleeve and slidably connected to the lifting sleeve in the vertical direction. The support arm is fixedly connected to the top end of the lifting rod. The lifting motor is signal-connected to the control button group and is fixedly connected to the support arm. The bracket is fixedly connected to the support arm. The gearbox is fixedly connected to the bracket and located above the lifting rod. The lead screw is rotatably connected to the lifting rod and threadedly connected to the lifting sleeve. The lifting motor is driven by the lead screw through the gearbox to rotate the lead screw. The rotation of the lead screw can drive the lifting rod to slide in the vertical direction.

[0007] Preferably, the oil distribution plate expansion fixture further includes an expansion seat and an expansion bolt. The expansion seat has a conical hole in the middle, and the expansion bolt has a cone at the bottom. The expansion bolt is used to pass through the conical hole and be threaded to the locking cap. The bottom of the expansion seat has multiple expansion platforms of different diameters. The expansion platforms are used to expand and connect with the inner hole of the oil distribution plate. The middle part of the expansion seat is used to rotatably connect with the middle part of the inner ring.

[0008] Preferably, the oil distribution plate tightening fixture further includes a hexagonal platform, a bearing platform, and a bearing. The hexagonal platform is disposed above the expansion seat, the bearing platform is disposed above the hexagonal platform, the bearing is sleeved on the bearing platform, and the locking cap is used to clamp the bearing with the hexagonal platform. The outer ring of the bearing is used to fixally connect with the inner ring.

[0009] Preferably, the crank transmission assembly includes a first crank, a second crank, a crank connecting shaft, a support member, a rotating shaft, a first support connecting rod, a second support connecting rod, a first ball joint, and a second ball joint. The first crank is vertically and fixedly connected to the output shaft of the crank motor. The second end of the first crank is rotatably connected to one end of the crank connecting shaft, and the second crank is rotatably connected to the other end of the crank connecting shaft. The support member is fixedly connected to the operating table, and the rotating shaft is fixedly connected to the support member. The end of the second crank away from the crank connecting shaft is rotatably connected to the rotating shaft. One end of the first support connecting rod is rotatably connected to the crank connecting shaft, and the other end is universally connected to one side of the expansion seat bracket via the first ball joint. One end of the second support connecting rod is rotatably connected to the crank connecting shaft, and the other end is universally connected to the other side of the expansion seat bracket via the second ball joint.

[0010] Preferably, the control button group includes a control module for independently adjusting the speed, direction, and running time of the first motor, the second motor, the crank motor, and the lifting motor.

[0011] The present invention achieves the following technical advantages over the prior art:

[0012] This utility model provides an automatic pump-type grinding machine. A second motor is connected to a control button group for convenient control of its operation, allowing adjustment of the rotation speed of the distribution plate. Its output shaft is collinear with the central axis of the three-jaw chuck, ensuring more precise relative rotation between the distribution plate and the cylinder, thus improving grinding accuracy. The use of a universal joint allows for flexible power transmission, adapting to different angle transmission requirements and increasing the structural flexibility of the equipment. The sliding connection between the internal hexagonal sleeve and the hexagonal connecting rod facilitates adjustment of the overall length to accommodate the spherical radius of different distribution plate specifications. The counterweight's placement and detachable installation method allow for applying appropriate pressure during the grinding process and facilitate replacement or adjustment according to different grinding needs, further optimizing the grinding effect. The distribution plate tightening fixture is detachably connected to the distribution plate, facilitating quick replacement of different specifications and improving the equipment's versatility. The locking cap and the internal hexagonal sleeve's snap-fit ​​engagement ensure the distribution plate is firmly fixed during rotation, preventing loosening or displacement, thereby guaranteeing the stability and continuity of the grinding process. The second motor drives the hexagonal connecting rod to rotate, thereby driving the distributor plate to rotate. This ensures smooth rotation of the distributor plate and reliable power transmission. The inner ring can rotate around the X-axis, allowing the distributor plate to flexibly adjust its angle in this direction during grinding to better adapt to the cylinder block grinding surface. The detachable installation of the distributor plate expansion clamping fixture and the inner ring not only facilitates the installation and removal of the distributor plate but also ensures its stability within the ring. The counterweight pressing against the top surface of the inner ring helps maintain the overall structural stability during grinding, enhancing the grinding effect. The crank motor is connected to the control button group for easy operator control to adjust the swing frequency and amplitude of the expansion seat bracket. The crank transmission assembly converts the rotational motion of the crank motor into the reciprocating swing of the expansion seat bracket along the Y-axis. This motion mimics some characteristics of manual grinding, creating a more complex relative motion between the distributor plate and the cylinder block. This improves the uniformity of grinding, compensates for the shortcomings of traditional mechanical grinding, reduces the possibility of deep grooves and other defects, and enhances the grinding quality. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the automatic pump chamber grinding machine provided by this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the automatic pump cartridge grinding machine provided by this utility model;

[0016] Figure 3 This is a schematic diagram of the upper drive and connection lifting mechanism of the automatic pump grinding machine provided by this utility model;

[0017] Figure 4 This is a schematic diagram of the oil distribution plate tightening fixture and crank mechanism in the automatic pump grinding machine provided by this utility model;

[0018] In the diagram: 1. Chassis; 101. Base; 102. Control button group; 103. Support rod; 104. Control panel; 105. Three-jaw chuck; 2. Lifting rod; 201. Lifting rod; 202. Bracket; 203. Lead screw; 204. Gearbox; 206. Lifting motor; 207. Second motor; 210. Support arm; 3. Universal joint; 302. Internal hexagonal sleeve; 303. Hexagonal connecting rod; 304. Counterweight; 305. Hexagonal opening; 4. Lock 5. Tightening cap; 6. Expansion seat bracket; 7. Inner ring; 8. First bracket connecting rod; 9. Crank motor; 10. Crank connecting shaft; 11. First crank; 12. Second ball joint; 13. Bearing platform; 14. Tapered hole; 15. Bearing; 16. Hexagonal platform; 17. Expansion seat; 18. Expansion bolt; 19. Cone; 20. Oil distribution plate; 21. Inner hole of oil distribution plate; 22. Cylinder block; 23. Cylinder block grinding surface; 24. Outer shell. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] The purpose of this invention is to provide an automatic pump chamber grinder to solve the problems of low efficiency and high cost of manual operation when grinding the oil distribution plate. It has a simple structure and is easy to use.

[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0022] This utility model provides an automatic pump-type grinding machine, such as Figures 1-4As shown, it includes: a chassis 1 assembly, an operating table 104 assembly, a lifting mechanism, a support arm 210, a distribution plate drive assembly, a distribution plate tensioning fixture, an expansion seat bracket 5, and a crank mechanism. The chassis 1 assembly includes a chassis 1, multiple support feet 101, a first motor, a three-jaw chuck 105, and a control button group 102. Each support foot 101 is located at the bottom of the chassis 1. The first motor is installed inside the chassis 1, and its output shaft extends upward and connects to the three-jaw chuck 105 to control the three-jaw chuck 105 to fix the cylinder 8. The control button group 102 is located on one side of the chassis 1 and is connected to the first motor via signal. The operating table 104 assembly includes... Multiple support rods 103 and an operating platform 104 are provided. The operating platform 104 is fixed to the upper part of the housing 1 by the support rods 103. A circular hole is provided in the middle of the operating platform 104 so that the cylinder 8 can pass through the circular hole and protrude upward from the operating platform 104. The fixed end of the lifting mechanism is fixedly connected to one end of the top surface of the operating platform 104. The support arm 210 is vertically fixedly connected to the lifting end of the lifting mechanism. The oil distribution plate drive assembly includes a second motor 207, a universal joint 3, a hexagonal connecting rod 303, an inner hexagonal sleeve 302, and a counterweight 304. The second motor 207 is signal-connected to the control button group 102. The second motor 207 is fixedly connected to the end of the support arm 210 away from the lifting mechanism. The output shaft of 07 extends downward and is coaxial with the central axis of the three-jaw chuck 105. The top end of the hexagonal connecting rod 303 is connected to the output shaft of the first motor via a universal joint 3. The inner hexagonal sleeve 302 is sleeved on the outside of the hexagonal connecting rod 303 and is slidably connected to the hexagonal connecting rod 303. A hexagonal opening 305 is formed at the bottom of the inner hexagonal sleeve 302. The counterweight 304 is detachably sleeved on the outside of the inner hexagonal sleeve 302. The oil distribution plate tightening fixture is used to detachably fix it to the oil distribution plate 7. The top of the oil distribution plate tightening fixture is provided with a locking cap 4, which is used to extend into the hexagonal opening 305 to engage with the inner hexagonal sleeve 302. The second motor 2 The second motor 207 can drive the hexagonal connecting rod 303 to rotate, thereby driving the oil distribution plate 7 to rotate. The expansion seat bracket 5 includes an inner ring 501 and an outer ring. The inner ring 501 can rotate around the X-axis. The oil distribution plate tightening fixture is installed and removed in the inner ring 501, and the counterweight 304 is pressed against the top surface of the inner ring 501. The crank mechanism includes a crank motor 503 and a crank transmission assembly. The crank motor 503 is connected to the control button group 102. The crank motor 503 is mounted on the operating table 104. One end of the crank transmission assembly is connected to the output shaft of the crank motor 503, and the other end is connected to the expansion seat bracket 5 via a universal joint, so as to drive the expansion seat bracket 5 to reciprocate along the Y-axis when the crank motor is working. The second motor 207 is connected to the control button group 102, which can conveniently control its operating status to adjust the rotation speed of the oil distribution plate 7. Its output shaft is set coaxially with the central shaft of the three-jaw chuck 105, which ensures more precise relative rotation between the oil distribution plate 7 and the cylinder 8, which is beneficial to improving grinding accuracy.The use of universal joint 3 allows for flexible power transmission, adapting to transmission requirements at different angles and increasing the structural flexibility of the equipment. The sliding connection between the internal hexagonal sleeve 302 and the hexagonal connecting rod 303 facilitates adjustment of the overall length to accommodate the spherical radius of different specifications of the oil distribution plate 7. The counterweight 304, with its detachable installation method, can apply appropriate pressure during the grinding process and is easily replaceable or adjusted according to different grinding needs, further optimizing the grinding effect. The oil distribution plate tightening fixture is detachably connected to the oil distribution plate 7, facilitating quick replacement of oil distribution plates 7 of different specifications and improving the equipment's versatility. The locking cap 4, in conjunction with the internal hexagonal sleeve 302, ensures that the oil distribution plate 7 is firmly fixed during rotation, preventing loosening or displacement, thereby guaranteeing the stability and continuity of the grinding process. The second motor 207 drives the hexagonal connecting rod 303 to rotate, thereby driving the oil distribution plate 7 to rotate. This ensures smooth rotation of the oil distribution plate 7 and reliable power transmission. The inner ring 501 can rotate around the X-axis, allowing the oil distribution plate 7 to flexibly adjust its angle in this direction during grinding to better adapt to the cylinder block grinding surface 801. The detachable installation of the oil distribution plate expansion clamping fixture and the inner ring 501 not only facilitates the installation and removal of the oil distribution plate 7 but also ensures its stability within the ring. The counterweight 304 is pressed against the top surface of the inner ring 501, which helps maintain the stability of the overall structure during grinding and enhances the grinding effect. The crank motor 503 is connected to the control button group 102 for easy operation by the operator to adjust the swing frequency and amplitude of the expansion seat bracket 5. The crank transmission assembly converts the rotational motion of the crank motor 503 into the reciprocating oscillation of the expansion seat bracket 5 along the Y-axis. This motion mode mimics some characteristics of manual grinding, resulting in a more complex relative motion between the oil distribution plate 7 and the cylinder block 8. This helps to improve the uniformity of grinding, compensate for the defects of traditional mechanical grinding, reduce the possibility of deep grooves and other defects, and improve the grinding quality.

[0023] In a preferred embodiment, the lifting mechanism includes a lifting sleeve 2, a lifting rod 201, a bracket 202, a lead screw 203, a gearbox 204, and a lifting motor 206. The lifting sleeve 2 is fixedly connected to the operating table 104. The lifting rod 201 is sleeved inside the lifting sleeve 2 and slidably connected to the lifting sleeve 2 in the vertical direction. The support arm 210 is fixedly connected to the top end of the lifting rod 201. The lifting motor 206 is signal-connected to the control button group 102 and is fixedly connected to the support arm 210. The bracket 202 is fixedly connected to the support arm 210. The gearbox 204 and the lead screw 203 are also included. The housing 204 is fixedly connected to the bracket 202 and located above the lifting rod 201. The lead screw 203 is rotatably connected to the lifting rod 201 and threadedly connected to the lifting sleeve 2. The lifting motor 206 is connected to the lead screw 203 via the gearbox 204 to drive the lead screw 203 to rotate. The rotation of the lead screw 203 causes the lifting rod 201 to slide vertically. By driving the gearbox 204 and the lead screw 203 through the lifting motor 206, the lifting rod 201 can slide smoothly within the lifting sleeve 2, allowing for precise adjustment of the height of the support arm 210 and the oil distribution plate 7. The height between the oil distribution plate 7 and the cylinder 8 can be quickly and accurately adjusted according to different grinding requirements, ensuring that both work in the optimal grinding position, thus improving grinding efficiency and quality.

[0024] In a preferred embodiment, the oil distribution plate expansion fixture further includes an expansion seat 604 and an expansion bolt 605. The expansion seat 604 has a tapered hole 601 in the middle, and the expansion bolt 605 has a cone at the bottom. The expansion bolt 605 is used to pass through the tapered hole 601 and be threaded to the locking cap 4. The bottom of the expansion seat 604 has multiple expansion platforms of different diameters. The expansion platforms are used to expand and connect with the inner hole 701 of the oil distribution plate 7. The middle part of the expansion seat 604 is used to rotate and connect with the middle part of the inner ring 501. The tapered hole 601 on the expansion seat 604 cooperates with the cone at the bottom of the expansion bolt 605. When the locking cap 4 is tightened, the expansion seat 604 can be opened, and then the expansion platforms of different diameters can be used to achieve expansion and connection with the inner hole 701 of the oil distribution plate, which can firmly fix the oil distribution plate 7 and adapt to the clamping requirements of various specifications of oil distribution plates 7. The expansion seat 604 is rotatably connected to the inner ring 501, which not only ensures the rotatability of the oil distribution plate 7 within the ring, but also improves the stability of the overall structure, allowing the oil distribution plate 7 to be better adjusted in angle during the grinding process, thereby improving the grinding effect.

[0025] In a preferred embodiment, the oil distribution plate tightening fixture further includes a hexagonal platform 603, a bearing platform 6, and a bearing 602. The hexagonal platform 603 is positioned above the expansion seat 604, and the bearing platform 6 is positioned above the hexagonal platform 603. The bearing 602 is fitted onto the bearing platform 6, and a locking cap 4 is used to clamp the bearing 602 with the hexagonal platform 603. The outer ring of the bearing 602 is used to fix it to the inner ring 501. The arrangement of the hexagonal platform 603, the bearing platform 6, and the bearing 602 further enhances the structural stability and positioning accuracy of the oil distribution plate tightening fixture. The bearing 602 allows the expansion seat 604 to rotate more smoothly in the inner ring 501. The clamping method of the locking cap 4 and the hexagonal platform 603 to clamp the bearing 602 effectively prevents the bearing 602 from loosening, ensuring the stable rotation of the oil distribution plate 7 during the grinding process, which is beneficial to improving the grinding accuracy and stability.

[0026] In a preferred embodiment, the crank drive assembly includes a first crank 506, a second crank, a crank connecting shaft 505, a support member, a rotating shaft, a first support connecting rod 502, a second support connecting rod 502, a first ball joint, and a second ball joint 507. The first crank 506 is vertically and fixedly connected to the output shaft of the crank motor 503. The second end of the first crank 506 is rotatably connected to one end of the crank connecting shaft 505, and the second crank is rotatably connected to the other end of the crank connecting shaft 505. The support member is fixedly connected to the operating table 104, and the rotating shaft is fixed. Connected to the support, the end of the second crank away from the crank connecting shaft 505 is rotatably connected to the shaft. One end of the first bracket connecting rod 502 is rotatably connected to the crank connecting shaft 505, and the other end is universally connected to one side of the expansion seat bracket 5 via the first ball joint. One end of the second bracket 202 connecting rod is rotatably connected to the crank connecting shaft 505, and the other end is universally connected to the other side of the expansion seat bracket 5 via the second ball joint 507. This crank transmission assembly structure can stably convert the rotational motion of the crank motor 503 into the reciprocating oscillation of the expansion seat bracket 5 along the Y-axis. Through the connection method of multi-link and ball joint, not only is the effective transmission of power guaranteed, but the motion is also more flexible and stable. The oscillation amplitude and frequency of the expansion seat bracket 5 can be more accurately controlled, creating a relative motion trajectory between the oil distribution plate 7 and the cylinder block 8 that better meets the grinding requirements, further improving the grinding effect.

[0027] In a preferred embodiment, the control button group 102 includes a control module for independently adjusting the speed, direction, and running time of the first motor, the second motor 207, the crank motor 503, and the lifting motor 206. This design of the control button group 102 allows operators to flexibly and precisely adjust the operating parameters of each motor according to different grinding tasks and actual conditions. The ability to independently control speed, direction, and running time makes it possible to achieve diverse grinding processes, greatly improving the ease of operation and functionality of the equipment and meeting different production needs.

[0028] In a preferred embodiment, the system further includes a housing 9, which is connected to the top of the chassis 1 and positioned above the support arm 210. The housing 9 provides protection for internal electrical components, transmission parts, and other internal components. Simultaneously, the housing 9 enhances the overall aesthetics of the equipment and improves the working environment for operators.

[0029] Before using this automatic pump grinding machine, it needs to be installed and inspected to ensure that all parts of the equipment are securely connected, the electrical wiring is correct, and all motors are operating normally. Only then can the following steps be followed:

[0030] Preparation

[0031] The oil distribution plate to be ground is fixed by the oil distribution plate expansion clamping fixture. Specifically, the expansion bolt 605 is passed through the tapered hole 601 in the middle of the expansion seat 604 and threaded to the locking cap 4. The expansion plates of different diameters at the bottom of the expansion seat 604 are expanded and connected to the inner hole of the oil distribution plate to achieve a firm fixation of the oil distribution plate.

[0032] Adjust each motor to its initial state using the control button group 102. Based on the actual position of the oil distribution plate and cylinder block, as well as the grinding requirements, use the control module in the control button group 102 to adjust the speed, direction, and running time of the first motor, the second motor 207, the crank motor 503, and the lifting motor 206 to appropriate initial parameters, so that each component is in a ready-to-work state.

[0033] Installing and positioning the cylinder block

[0034] Start the first motor, which drives the three-jaw chuck 105 connected to the output shaft. Use the three-jaw chuck 105 to fix the cylinder body in a suitable position. The cylinder body passes through the round hole in the middle of the operating table 104 and protrudes upward.

[0035] Based on the relative height between the cylinder block and the oil distribution plate, the lifting motor 206 is activated via the control button group 102. The lifting motor 206 drives the lead screw 203 to rotate through the gearbox 204. The lead screw 203 drives the lifting rod 201 to slide within the lifting sleeve 2, thereby adjusting the support arm 210 and the oil distribution plate to a suitable height, so that the oil distribution plate and the cylinder block are in the optimal grinding position, thereby improving grinding efficiency and quality.

[0036] Start drive and swing structure

[0037] The second motor 207 is started, and it drives the hexagonal connecting rod 303 to rotate through the universal joint 3. Because the locking cap 4 is engaged with the inner hexagonal sleeve 302, it drives the oil distribution plate to rotate. Since the output shaft of the second motor 207 is collinear with the central shaft of the three-jaw chuck 105, the relative rotation between the oil distribution plate and the cylinder is more precise, which is beneficial to improving the grinding accuracy.

[0038] The crank motor 503 is started, which drives the first crank 506 to rotate. The first crank 506, through the crank connecting shaft 505, causes the second crank to rotate. Supported by the support members and the rotating shaft, the second crank drives the expansion seat 604 bracket to reciprocate along the Y-axis through the first bracket connecting rod 502, the second bracket connecting rod, and the ball joint. This oscillation creates a more complex relative motion between the oil distribution plate and the cylinder block, which is beneficial to improving the uniformity and quality of grinding and effectively makes up for the defects of traditional mechanical grinding.

[0039] Grinding process

[0040] The oil distribution plate rotates continuously under the drive of the second motor 207, and at the same time, it swings back and forth along the Y-axis under the drive of the expansion seat 604 bracket driven by the crank mechanism. Meanwhile, the inner ring 501 can rotate around the X-axis, so that the oil distribution plate can flexibly adjust the angle in this direction, thereby achieving multi-dimensional contact and grinding between the oil distribution plate and the cylinder grinding surface 801, ensuring the grinding effect.

[0041] During the grinding process, the operator can adjust the speed, direction, and running time of the first motor, second motor 207, crank motor 503, and lifting motor 206 at any time through the control button group 102, according to the material of the oil distribution plate, grinding requirements, and actual grinding effect, to meet different grinding needs. For example, for a harder oil distribution plate, the speed of the second motor 207 can be appropriately increased to improve the grinding speed; the lifting motor 206 can be adjusted according to the relative position of the cylinder block and the oil distribution plate to maintain the optimal grinding height.

[0042] End of work

[0043] After grinding is completed, turn off the second motor 207, crank motor 503, first motor and lifting motor 206 in sequence.

[0044] The lifting motor 206 is controlled by the control button group 102 to lower the support arm 210 and the oil distribution plate to a suitable height for easy disassembly.

[0045] Remove the oil distribution plate from the tightening fixture, clean the automatic pump chamber grinder, and perform routine inspections and maintenance on all components to prepare for the next use.

[0046] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. An automatic pump-type grinding machine, characterized in that: include: A chassis assembly includes a chassis, multiple supporting feet, a first motor, a three-jaw chuck, and a control button group. Each of the supporting feet is located at the bottom of the chassis. The first motor is installed inside the chassis. The output axis of the first motor extends upward and connects to the three-jaw chuck to control the three-jaw chuck to fix the cylinder. The control button group is located on one side of the chassis and is signal-connected to the first motor. An operating console assembly includes multiple support rods and an operating console. The operating console is fixed to the upper part of the chassis by each of the support rods. A circular hole is provided in the middle of the operating console so that the cylinder body passes through the circular hole and protrudes upward from the operating console. A lifting mechanism, wherein the fixed end of the lifting mechanism is fixedly connected to one end of the top surface of the operating platform; A support arm, which is vertically and fixedly connected to the lifting end of the lifting mechanism; The oil distribution plate drive assembly includes a second motor, a universal joint, a hexagonal connecting rod, an inner hexagonal sleeve, and a counterweight. The second motor is signal-connected to the control button group and is fixedly connected to the end of the support arm away from the lifting mechanism. The output shaft of the second motor extends downward and is colinear with the central axis of the three-jaw chuck. The top end of the hexagonal connecting rod is drively connected to the output shaft of the first motor through the universal joint. The inner hexagonal sleeve is sleeved on the outside of the hexagonal connecting rod and slidably connected to the hexagonal connecting rod, and a hexagonal opening is formed at the bottom of the inner hexagonal sleeve. The counterweight is detachably sleeved on the outside of the inner hexagonal sleeve. An oil distribution plate tightening fixture is provided, which is used to detachably and fixedly connect to the oil distribution plate. The top of the oil distribution plate tightening fixture is provided with a locking cap, which is used to extend into the hexagonal opening to engage with the inner hexagonal sleeve. The second motor can drive the hexagonal connecting rod to rotate, thereby driving the oil distribution plate to rotate. An expansion seat bracket, comprising an inner ring and an outer ring, wherein the inner ring is rotatable about an X-axis, the oil distribution plate tightening fixture is installed and detached within the inner ring, and the counterweight is pressed against the top surface of the inner ring; and The crank mechanism includes a crank motor and a crank transmission assembly. The crank motor is signal-connected to the control button group and is mounted on the operating table. One end of the crank transmission assembly is drive-connected to the output shaft of the crank motor, and the other end is universally drive-connected to the expansion seat bracket, so as to drive the expansion seat bracket to reciprocate along the Y-axis when the crank motor is working.

2. The automatic pump-type grinding machine according to claim 1, characterized in that: The lifting mechanism includes a lifting sleeve, a lifting rod, a bracket, a lead screw, a gearbox, and a lifting motor. The lifting sleeve is fixedly connected to the operating table. The lifting rod is sleeved within the lifting sleeve and slidably connected to the lifting sleeve in the vertical direction. The support arm is fixedly connected to the top end of the lifting rod. The lifting motor is signal-connected to the control button group and is fixedly connected to the support arm. The bracket is fixedly connected to the support arm. The gearbox is fixedly connected to the bracket and located above the lifting rod. The lead screw is rotatably connected to the lifting rod and threadedly connected to the lifting sleeve. The lifting motor is driven by the lead screw through the gearbox to rotate the lead screw. The rotation of the lead screw can drive the lifting rod to slide in the vertical direction.

3. The automatic pump-type grinding machine according to claim 2, characterized in that: The expansion and tightening fixture for the oil distribution plate also includes an expansion seat and an expansion bolt. The expansion seat has a tapered hole in the middle, and the expansion bolt has a cone at the bottom. The expansion bolt is used to pass through the tapered hole and be threaded to the locking cap. The bottom of the expansion seat has multiple expansion platforms of different diameters. The expansion platforms are used to expand and tighten with the inner hole of the oil distribution plate. The middle part of the expansion seat is used to rotatably connect with the middle part of the inner ring.

4. The automatic pump-type grinding machine according to claim 3, characterized in that: The oil distribution plate expansion fixture also includes a hexagonal platform, a bearing platform, and a bearing. The hexagonal platform is located above the expansion seat, the bearing platform is located above the hexagonal platform, the bearing is sleeved on the bearing platform, and the locking cap is used to clamp the bearing with the hexagonal platform. The outer ring of the bearing is used to fixally connect with the inner ring.

5. The automatic pump-type grinding machine according to claim 4, characterized in that: The crank transmission assembly includes a first crank, a second crank, a crank connecting shaft, a support member, a rotating shaft, a first support connecting rod, a second support connecting rod, a first ball joint, and a second ball joint. The first crank is vertically and fixedly connected to the output shaft of the crank motor. The second end of the first crank is rotatably connected to one end of the crank connecting shaft, and the second crank is rotatably connected to the other end of the crank connecting shaft. The support member is fixedly connected to the operating table, and the rotating shaft is fixedly connected to the support member. The end of the second crank away from the crank connecting shaft is rotatably connected to the rotating shaft. One end of the first support connecting rod is rotatably connected to the crank connecting shaft, and the other end is universally connected to one side of the expansion seat bracket through the first ball joint. One end of the second support connecting rod is rotatably connected to the crank connecting shaft, and the other end is universally connected to the other side of the expansion seat bracket through the second ball joint.

6. The automatic pump-type grinding machine according to claim 5, characterized in that: The control button group includes a control module for independently adjusting the speed, direction, and running time of the first motor, the second motor, the crank motor, and the lifting motor.

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