Novel crankshaft continuous precision grinding follow-up grinding machine

Abstract

The utility model discloses a novel crankshaft continuous precision grinding follow-up grinding machine which comprises a grinding machine body and a first vertical plate, one end of the top of the grinding machine body is fixedly connected with the first vertical plate, the other end of the top of the grinding machine body is fixedly connected with a box body, and the top of the box body is fixedly connected with a second vertical plate. A screw rod is rotationally connected between the second vertical plate and the first vertical plate, a first machine base is fixedly connected to the end, away from the screw rod, of the first vertical plate, a first motor is fixedly connected to the interior of the first machine base, an output shaft of the first motor is connected with the screw rod, a follow-up mechanism is installed on the outer wall of the screw rod, and a rotating mechanism is installed in the box body; the utility model relates to the technical field of grinding machines, through mutual cooperation of a first motor, a screw, an electric push rod, a grinding wheel and other structures, dynamic tracking can be achieved, namely, the grinding wheel can automatically adjust the transverse and longitudinal positions along with rotation and position changes of a crankshaft connecting rod neck, and contact with a crankshaft is kept.

Description

Technical Field

[0001] This utility model relates to the field of grinding technology, specifically to a novel crankshaft continuous precision grinding follower grinding machine. Background Technology

[0002] A grinding machine is a machine tool that uses an abrasive to grind workpieces to obtain the desired shape, size, and precision machined surfaces. Grinding machines are classified into ordinary external cylindrical grinding machines, traditional internal cylindrical grinding machines, coordinate grinding machines, centerless grinding machines, etc. Grinding machines can process materials with extremely high hardness, such as hardened steel and cemented carbide. For example, a grinding machine can be used to perform continuous precision grinding on crankshafts.

[0003] However, in existing grinding technologies, the grinding wheel on the grinding machine is usually fixed in one position and does not move with the rotation or position change of the crankshaft connecting rod journal. This requires the operator to manually adjust the position of the grinding wheel to adapt to different parts of the crankshaft connecting rod journal. Manual adjustment requires the operator to have high skills and experience to ensure the uniformity and accuracy of grinding. Therefore, it is easy to produce processing errors and instability, resulting in uneven grinding surface and affecting the performance and life of the crankshaft. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a novel crankshaft continuous precision grinding follower grinding machine, which solves the problem that existing grinding machines lack follower functionality, usually requiring more time and manual adjustment of the grinding wheel to complete the grinding work, which easily leads to processing errors and instability, resulting in uneven grinding surfaces and affecting crankshaft performance and lifespan.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: A novel crankshaft continuous precision grinding follower grinding machine includes a grinding machine body and a first vertical plate. The first vertical plate is fixedly connected to one end of the top of the grinding machine body, and a housing is fixedly connected to the other end of the top of the grinding machine body. A second vertical plate is fixedly connected to the top of the housing. A screw is rotatably connected between the second vertical plate and the first vertical plate. A first machine base is fixedly connected to the end of the first vertical plate away from the screw. A first motor is fixedly connected inside the first machine base. The output shaft of the first motor is connected to the screw. A follower mechanism is installed on the outer wall of the screw. A rotating mechanism is installed inside the housing.

[0006] The follower mechanism includes a pair of third vertical plates threaded to the outer wall of the screw. A first connecting plate is fixedly connected to the lower inner side of the third vertical plate. An electric push rod is fixedly connected to the front end of the first connecting plate, and a second connecting plate is fixedly connected to the telescopic end of the electric push rod. A housing is fixedly connected to one end of the pair of second connecting plates, and a grinding wheel is rotatably connected inside the housing via a rotating shaft. An adjustment component is installed inside the grinding machine body near the grinding wheel.

[0007] Preferably, the adjustment assembly includes a hydraulic cylinder fixedly connected to the inside of the grinding machine body. A fourth vertical plate is fixedly connected to the telescopic end of the hydraulic cylinder. A first chuck is rotatably connected to one end of the fourth vertical plate near the grinding wheel. A crossbar is fitted with a pair of through holes on the fourth vertical plate with clearance, and both ends of the crossbar are fixedly connected to the inner wall of the grinding machine body.

[0008] Preferably, the rotating mechanism includes a second chuck rotatably connected to the end of the housing near the grinding wheel via a bearing, and a first bevel gear is fixedly connected to one end of the second chuck inside the housing. A horizontal plate is fixedly connected to the inner wall of the housing, and a vertical rod is rotatably connected inside the horizontal plate. One end of the vertical rod is connected to a third motor fixedly connected to the housing via a coupling, and the output shaft of the third motor is rotatably connected to the housing via a bearing. The other end of the vertical rod is fixedly connected to a second bevel gear that meshes with the first bevel gear.

[0009] Preferably, a sliding plate is fixedly connected between the first vertical plate and the second vertical plate, and the inner wall of the sliding plate groove is fitted with the outer wall of the third vertical plate with a clearance.

[0010] Preferably, a second base is fixedly connected to one end of the housing near the first chuck, a second motor is fixedly connected inside the second base, and the output shaft of the second motor is connected to the rotating shaft of the grinding wheel.

[0011] Preferably, the front end face of the housing is connected to an operation panel by a number of bolts.

[0012] Preferably, a third connecting plate is fixedly connected to the top of the housing, and a coolant water pipe is fixedly connected inside the third connecting plate.

[0013] Beneficial effects

[0014] This utility model provides a novel follower grinding machine for continuous precision grinding of crankshafts, which has the following beneficial effects:

[0015] Through the cooperation of the first motor, screw, electric actuator and grinding wheel, dynamic tracking can be achieved. That is, the grinding wheel automatically adjusts its lateral and longitudinal positions to maintain contact with the crankshaft as the crankshaft connecting rod journal rotates and changes position.

[0016] It can be kept horizontal, that is, the position of the grinding wheel can be adjusted by a mechanical structure to ensure that the line connecting the center of the grinding wheel and the crankshaft connecting rod journal always remains horizontal, so as to ensure the uniformity of grinding;

[0017] It can be precisely controlled, that is, the rotation of the crankshaft and the lateral and longitudinal adjustment of the grinding wheel are precisely controlled by the CNC system to adapt to changes in the shape and position of the crankshaft;

[0018] It can achieve continuous grinding, meaning that there is no need to stop the machine to adjust the position of the grinding wheel. The grinding wheel can rotate continuously on the grinding machine, and the grinding wheel can perform continuous grinding synchronously until the required size and surface quality are achieved. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] Figure 2 This is a planar sectional view of the present invention.

[0021] Figure 3 This is a partially enlarged schematic diagram of the present invention.

[0022] Figure 4 This is a partially enlarged schematic diagram of the present invention.

[0023] Figure 5 This is a partially enlarged schematic diagram of the present invention.

[0024] Figure 6 This is a partially enlarged schematic diagram of the present invention.

[0025] In the diagram: 1. Grinding machine body; 2. First vertical plate; 3. Housing; 4. Second vertical plate; 5. Screw; 6. First machine base; 7. First motor; 8. Third vertical plate; 9. First connecting plate; 10. Housing; 11. Grinding wheel; 12. Electric actuator; 13. Second connecting plate; 14. Slide plate; 15. Second machine base; 16. Second motor; 17. Third connecting plate; 18. Coolant pipe; 19. Hydraulic cylinder; 20. Fourth vertical plate; 21. First chuck; 22. Crossbar; 23. Second chuck; 24. First bevel gear; 25. Crossbar; 26. Vertical bar; 27. Third motor; 28. Second bevel gear; 29. ​​Operation panel. Detailed Implementation

[0026] 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.

[0027] Please see Figure 1-6This utility model provides a technical solution: a novel crankshaft continuous precision grinding follower grinding machine, including a grinding machine body 1 and a first vertical plate 2. The first vertical plate 2 is fixedly connected to one end of the top of the grinding machine body 1, and a housing 3 is fixedly connected to the other end of the top of the grinding machine body 1. A second vertical plate 4 is fixedly connected to the top of the housing 3. A screw 5 is rotatably connected between the second vertical plate 4 and the first vertical plate 2. A first machine base 6 is fixedly connected to the end of the first vertical plate 2 away from the screw 5. A first motor 7 is fixedly connected inside the first machine base 6. The output shaft of the first motor 7 is connected to the screw 5. A follower mechanism is installed on the outer wall of the screw 5. A rotating mechanism is installed inside the housing 3.

[0028] The follower mechanism includes a pair of third vertical plates 8 threadedly connected to the outer wall of the screw 5. A first connecting plate 9 is fixedly connected to the lower inner side of the third vertical plate 8. An electric push rod 12 is fixedly connected to the front end of the first connecting plate 9, and a second connecting plate 13 is fixedly connected to the telescopic end of the electric push rod 12. A housing 10 is fixedly connected to one end of the pair of second connecting plates 13, and a grinding wheel 11 is rotatably connected inside the housing 10 via a rotating shaft. An adjustment component is installed inside the grinding machine body 1 near the grinding wheel 11.

[0029] The electric actuator 12 and the first motor 7 can be started, causing the output shaft of the first motor 7 to drive the screw 5 to rotate. The screw 5, in conjunction with the slide plate 14, drives a pair of third vertical plates 8 to move. The third vertical plates 8 drive the grinding wheel 11 to move through the electric actuator 12, the second connecting plate 13, and the housing 10, thereby adjusting the horizontal position of the grinding wheel 11. The electric actuator 12 then drives the grinding wheel 11 to move through the second connecting plate 13 and the housing 10, thereby adjusting the longitudinal position of the grinding wheel 11.

[0030] In this embodiment, the adjustment component includes a hydraulic cylinder 19 fixedly connected to the inside of the grinding machine body 1. A fourth vertical plate 20 is fixedly connected to the telescopic end of the hydraulic cylinder 19. A first chuck 21 is rotatably connected to one end of the fourth vertical plate 20 near the grinding wheel 11. A crossbar 22 is fitted with a pair of through holes in the fourth vertical plate 20 with clearance, and both ends of the crossbar 22 are fixedly connected to the inner wall of the grinding machine body 1.

[0031] Two through holes are machined inside the crossbar 22, and the crossbar 22 is installed at these through holes. In this way, the crossbar 22 can limit and support the fourth vertical plate 20. When the hydraulic cylinder 19 is started, the hydraulic cylinder 19, together with the crossbar 22, can drive the fourth vertical plate 20 to move. The fourth vertical plate 20 drives the first chuck 21 to move until the first chuck 21 can connect and fix the other end of the crankshaft. At the same time, the first chuck 21 can be a three-jaw chuck or other chucks that are easy to fix the workpiece.

[0032] In this embodiment, the rotating mechanism includes a second chuck 23 rotatably connected to the end of the housing 3 near the grinding wheel 11 via a bearing, and a first bevel gear 24 is fixedly connected to one end of the second chuck 23 inside the housing 3. A horizontal plate 25 is fixedly connected to the inner wall of the housing 3, and a vertical rod 26 is rotatably connected inside the horizontal plate 25. One end of the vertical rod 26 is connected to a third motor 27 fixedly connected to the housing 3 via a coupling, and the output shaft of the third motor 27 is rotatably connected to the housing 3 via a bearing. The other end of the vertical rod 26 is fixedly connected to a second bevel gear 28 that meshes with the first bevel gear 24.

[0033] The third motor 27 can be started, which drives the second bevel gear 28 to rotate through the vertical rod 26. The second bevel gear 28 drives the second chuck 23 to rotate through the first bevel gear 24. In this way, the second chuck 23, together with the first chuck 21, can drive the crankshaft to rotate. At the same time, the second chuck 23 and the first chuck 21 are the same, and their mutual cooperation can fix the workpiece.

[0034] In this embodiment, a sliding plate 14 is fixedly connected between the first vertical plate 2 and the second vertical plate 4, and the inner wall of the sliding groove of the sliding plate 14 is in clearance fit with the outer wall of the third vertical plate 8.

[0035] In this embodiment, the housing 10 is further configured such that a second base 15 is fixedly connected to one end near the first chuck 21, a second motor 16 is fixedly connected inside the second base 15, and the output shaft of the second motor 16 is connected to the rotating shaft of the grinding wheel 11.

[0036] The second motor 16 can be started, and the output shaft of the second motor 16 can drive the grinding wheel 11 to rotate, thereby grinding the surface of the crankshaft.

[0037] In this embodiment, the front end face of the housing 3 is further configured to have an operation panel 29 connected to it by a number of bolts.

[0038] The operation panel 29 can control and perform numerical control programming on the electrical structure and other components in this application. This is prior art and can be fully implemented by those skilled in the art, so it will not be described in detail here.

[0039] In this embodiment, the top end of the housing 10 is fixedly connected to a third connecting plate 17, and a coolant water pipe 18 is fixedly connected inside the third connecting plate 17.

[0040] The coolant water pipe 18 is connected to the structure of the external cooling water supply. The outlet end of the coolant water pipe 18 can be a bamboo joint pipe, so that the outlet angle can be freely adjusted to cool the grinding wheel 11 and the crankshaft grinding area.

[0041] It is worth noting that the electrical structures and other components involved in this application can be selected according to the user's needs, as long as they meet the requirements of this application. At the same time, the corresponding control circuits and other components are all existing technologies, which can be fully implemented by those skilled in the art, so they will not be described in detail here.

[0042] Those skilled in the art can connect the components in this case sequentially. The specific connection and operation sequence should refer to the working principle described below. The detailed connection methods are well-known technologies in the field. The working principle and process are mainly described below.

[0043] Example: When this device is needed, the external power supply and control circuits of each electrical structure can be connected. Then, the crankshaft to be ground is moved above the grinding machine body 1 by a hoisting crane, and one end of the crankshaft is connected and fixed to the second chuck 23. Then, the hydraulic cylinder 19 is started, which, together with the crossbar 22, drives the fourth vertical plate 20 to move. The fourth vertical plate 20 drives the first chuck 21 to move until the first chuck 21 can connect and fix the other end of the crankshaft. Then, the third motor 27 is started, which drives the second bevel gear 28 to rotate through the vertical rod 26. The second bevel gear 28 drives the second chuck 23 to rotate through the first bevel gear 24. In this way, the second chuck 23, together with the first chuck 21, can drive the crankshaft to rotate. At the same time, the electric actuator 12 and the first motor 7 are started, so that the second chuck 23 can rotate. The output shaft of motor 7 drives screw 5 to rotate. Screw 5, in conjunction with slide plate 14, drives a pair of third vertical plates 8 to move. The third vertical plates 8 drive grinding wheel 11 to move through electric push rod 12, second connecting plate 13, and housing 10, adjusting the horizontal position of grinding wheel 11. Electric push rod 12 then drives grinding wheel 11 to move through second connecting plate 13 and housing 10, adjusting the longitudinal position of grinding wheel 11. Finally, second motor 16 is started, causing grinding wheel 11 to rotate. In this way, grinding wheel 11 can move with the rotation or position change of crankshaft connecting rod journal, eliminating the need for operator manual adjustment of grinding wheel 11 position. This ensures the uniformity and precision of grinding, reducing machining errors, improving stability and grinding surface uniformity, and thus guaranteeing crankshaft performance and lifespan.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A novel crankshaft continuous precision grinding follower grinding machine, comprising a grinding machine body (1) and a first vertical plate (2), wherein the first vertical plate (2) is fixedly connected to one end of the top of the grinding machine body (1), characterized in that: The grinding machine body (1) has a housing (3) fixedly connected to the other end of its top, and a second vertical plate (4) is fixedly connected to the top of the housing (3). A screw (5) is rotatably connected between the second vertical plate (4) and the first vertical plate (2). A first machine base (6) is fixedly connected to the end of the first vertical plate (2) away from the screw (5). A first motor (7) is fixedly connected inside the first machine base (6). The output shaft of the first motor (7) is connected to the screw (5). A follower mechanism is installed on the outer wall of the screw (5). A rotating mechanism is installed inside the housing (3). The follower mechanism includes a pair of third vertical plates (8) threaded to the outer wall of the screw (5). A first connecting plate (9) is fixedly connected to the lower inner side of the third vertical plate (8). An electric push rod (12) is fixedly connected to the front end of the first connecting plate (9). A second connecting plate (13) is fixedly connected to the telescopic end of the electric push rod (12). A housing (10) is fixedly connected to one end of the pair of second connecting plates (13). A grinding wheel (11) is rotatably connected inside the housing (10) via a rotating shaft. An adjustment component is installed inside the grinding machine body (1) near the grinding wheel (11).

2. The novel crankshaft continuous precision grinding follower grinding machine according to claim 1, characterized in that, The adjustment assembly includes a hydraulic cylinder (19) fixedly connected to the inside of the grinding machine body (1). A fourth vertical plate (20) is fixedly connected to the telescopic end of the hydraulic cylinder (19). A first chuck (21) is rotatably connected to one end of the fourth vertical plate (20) near the grinding wheel (11). A crossbar (22) is fitted with a pair of through holes on the fourth vertical plate (20) with clearance, and both ends of the crossbar (22) are fixedly connected to the inner wall of the grinding machine body (1).

3. The novel crankshaft continuous precision grinding follower grinding machine according to claim 1, characterized in that, The rotating mechanism includes a second chuck (23) rotatably connected to the end of the housing (3) near the grinding wheel (11) via a bearing, and a first bevel gear (24) is fixedly connected to one end of the second chuck (23) inside the housing (3). A horizontal plate (25) is fixedly connected to the inner wall of the housing (3). A vertical rod (26) is rotatably connected inside the horizontal plate (25). One end of the vertical rod (26) is connected to a third motor (27) fixedly connected to the housing (3) via a coupling, and the output shaft of the third motor (27) is rotatably connected to the housing (3) via a bearing. The other end of the vertical rod (26) is fixedly connected to a second bevel gear (28) meshing with the first bevel gear (24).

4. The novel crankshaft continuous precision grinding follower grinding machine according to claim 1, characterized in that, A sliding plate (14) is fixed between the first vertical plate (2) and the second vertical plate (4), and the inner wall of the sliding groove of the sliding plate (14) is fitted with the outer wall of the third vertical plate (8) with a clearance.

5. A novel crankshaft continuous precision grinding follower grinding machine according to claim 1, characterized in that, The housing (10) is fixed to a second base (15) at one end near the first chuck (21). A second motor (16) is fixed inside the second base (15), and the output shaft of the second motor (16) is connected to the rotating shaft of the grinding wheel (11).

6. A novel crankshaft continuous precision grinding follower grinding machine according to claim 1, characterized in that, The front end of the housing (3) is connected to an operation panel (29) by several bolts.

7. A novel crankshaft continuous precision grinding follower grinding machine according to claim 1, characterized in that, The top of the housing (10) is fixedly connected to a third connecting plate (17), and a coolant water pipe (18) is fixedly connected inside the third connecting plate (17).

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