CN211760729U - Valve seat matching and grinding device - Google Patents
Valve seat matching and grinding device Download PDFInfo
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- CN211760729U CN211760729U CN202020139084.8U CN202020139084U CN211760729U CN 211760729 U CN211760729 U CN 211760729U CN 202020139084 U CN202020139084 U CN 202020139084U CN 211760729 U CN211760729 U CN 211760729U
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- valve seat
- jaw chuck
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Abstract
A valve seat lapping device is used for lapping a valve seat and a valve core and comprises a fixed box frame, a lifting device, a flexible device, a clamping device and a rotating device; the flexible device comprises a flexible shell arranged on the lifting device, a pressure sensor is arranged at the top of the inner space of the flexible shell, and a connector is arranged below the pressure sensor; two vertical downward guide rods are fixedly connected to two sides below the connector, a spring is sleeved on the top of each guide rod, the top end of each spring is connected with the bottom of the connector, the bottom ends of the two springs are connected with a floating box together, guide holes are formed in the positions where the floating box is connected with the two springs respectively, and the two guide rods penetrate through the guide holes and are inserted into the floating box; and the bottom of the flexible shell is provided with a lifting hole for the floating box to lift up and down. The utility model discloses a flexible device has reduced the condemned probability of joining in marriage and researching in-process product.
Description
Technical Field
The utility model belongs to part lappingout processing field, specifically speaking relates to a valve seat lappingout device.
Background
The matching research is a processing technology and is mainly applied to a precise matching part with high sealing requirement and a kinematic pair with high transmission precision, the conventional interchange technical standard cannot meet or satisfy the conception of a designer, and the conventional processing means cannot meet or satisfy the design and use requirements.
However, in most of the prior art, after a workpiece is manually clamped, the valve seat and the valve core are manually matched and ground. The manual matching and grinding efficiency is low, the sealing requirement of a final product can be met by repeated matching and grinding, and the requirement of rapid production cannot be met. Moreover, manual lapping usually judges whether a lapped product is qualified according to the hand feeling of lapping, the precision is low, and the product is easily scrapped due to manual misoperation. In addition, the dust being investigated is liable to affect the physical health of the operator.
SUMMERY OF THE UTILITY MODEL
The utility model provides a valve seat lapping device aiming at the problems of low efficiency, low precision and low yield of manual lapping in the prior art, which carries out lapping processing on a valve seat and a valve core, and has high efficiency and precision; moreover, the flexible device is additionally arranged on the lapping device, so that the external force applied to a lapping product is flexibly adjusted, and the yield of the lapping processing is improved.
The utility model provides a valve seat lapping device, which is used for lapping a valve seat and a valve core, and comprises a fixed box frame, a lifting device, a flexible device, a clamping device and a rotating device; the fixed box frame comprises a fixed plate and a fixed box body arranged on the fixed plate; the clamping device comprises an upper three-jaw chuck and a lower three-jaw chuck which are correspondingly arranged; the lifting device which is slidably arranged on the fixed box body is connected with the upper three-jaw chuck through a flexible device, and the rotating device which is arranged on the fixed plate is connected with the lower three-jaw chuck.
In order to better realize the utility model, further, the flexible device comprises a flexible shell connected with the lifting device, and a pressure sensor, a connector, a guide rod, a spring, a floating box and a limiting plate which are arranged in the inner space of the flexible shell; one end of the guide rod extends into the floating box and is connected with the limiting plate, and the other end of the guide rod extends out of the floating box and is connected with the connector after being sleeved with the spring; the connector is connected with a pressure parameter acquisition end of the pressure sensor; and one end of the floating box, which is far away from the pressure sensor, is connected with the upper three-jaw chuck.
In order to better realize the utility model discloses, furtherly, the guide bar is connected with the flotation tank through the guide hole that sets up on the flotation tank, and guide hole department installation supplies the uide bushing that the guide bar passed.
In order to realize better the utility model discloses, furtherly, the slide rail that floats is still installed to the inner wall of flexible housing, the lateral wall and the slide rail sliding connection that floats of case float.
In order to better realize the utility model, furthermore, the lifting device comprises a supporting seat and a first servo motor which are arranged on the fixed box body; a linear slide rail is fixedly arranged on the supporting seat, and a lifting seat is slidably arranged on the linear slide rail; the output end of the first servo motor is connected with a sliding screw rod, and the sliding screw rod is sleeved with the lifting seat to form a screw rod sliding table assembly; meanwhile, the lifting seat is connected with a flexible shell of the flexible device.
In order to better realize the utility model, furthermore, the rotating device comprises a rotating shaft which penetrates through the fixed plate and is connected with the lower three-jaw chuck, and a bearing seat is arranged at the penetrating connection part of the rotating shaft and the fixed plate; and one end of the rotating shaft, which is far away from the lower three-jaw chuck, is connected with the output end of the second servo motor sequentially through the coupler and the torque sensor.
In order to better realize the utility model discloses, furtherly, still be provided with the dust collecting box of arranging around the clamping device outer lane on the fixed plate.
In order to better realize the utility model, furthermore, an air blowing device is also arranged in the dust collecting box and comprises an air blowing bracket arranged on the dust collecting box and an air blowing cylinder arranged on the air blowing bracket; the cylinder opening of the air blowing cylinder is aligned between the upper three-jaw chuck and the lower three-jaw chuck.
Compared with the prior art, the utility model have following advantage and beneficial effect:
(1) the probability of product damage caused by improper manual research operation is reduced;
(2) a torque sensor and a pressure sensor are added, so that the monitoring and the adjustment of the rotating torque and the pressing force in the grinding process are realized;
(3) the three-jaw chuck is used for processing workpieces with different sizes;
(4) and the blowing device and the dust collecting box are added, so that the amount of dust discharged to the environment in the product processing and conveying process is reduced, and the centralized collection and treatment of dust and garbage are facilitated.
Drawings
FIG. 1 is a right side sectional view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a perspective view of the flexible device of the present invention;
FIG. 5 is a front cross-sectional view of the flexible device of the present invention;
FIG. 6 is a left side cross-sectional view of the flexible device of the present invention;
fig. 7 is a perspective view of the blowing device of the present invention.
Wherein: 1. the device comprises a fixed box frame, 11, a fixed box body, 12, a fixed plate, 2, a lifting device, 21, a first servo motor, 22, a supporting seat, 23, a sliding screw rod, 24, a lifting seat, 25, a linear slide rail, 3, a flexible device, 31, a pressure sensor, 32, a connector, 33, a guide rod, 34, a guide sleeve, 35, a spring, 36, a floating box, 37, a flexible shell, 38, a limiting plate, 39, a floating slide rail, 4, a clamping device, 41, an upper three-jaw chuck, 42, a lower three-jaw chuck, 5, a rotating device, 51, a rotating shaft, 52, a bearing seat, 53, a coupler, 54, a torque sensor, 55, a second servo motor, 6, an air blowing device, 61, an air blowing cylinder, 62, an air blowing support, 7, a dust collecting box, 8, a workpiece for lapping A, 9 and a workpiece for lapping B.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments, and therefore should not be considered as limitations to the scope of protection. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
a valve seat lapping device is used for lapping a valve seat and a valve core, as shown in figures 1, 2, 3, 4, 5, 6 and 7, a lapping A workpiece 8 is a valve core, a lapping B workpiece 9 is a valve seat, and the valve seat lapping device comprises a fixed box frame 1, a lifting device 2, a flexible device 3, a clamping device 4 and a rotating device 5; the fixed box frame 1 comprises a fixed plate 12 and a fixed box body 11 arranged on the fixed plate 12; the clamping device 4 comprises an upper three-jaw chuck 41 and a lower three-jaw chuck 42 which are correspondingly arranged; the lifting device 2 which is slidably arranged on the fixed box body 11 is connected with the upper three-jaw chuck 41 through the flexible device 3, and the rotating device 5 which is arranged on the fixed plate 12 is connected with the lower three-jaw chuck 42;
the flexible device 3 comprises a flexible shell 37 connected with the lifting device 2, and a pressure sensor 31, a connector 32, a guide rod 33, a spring 35, a floating box 36 and a limiting plate 38 which are arranged in the inner space of the flexible shell 37; one end of the guide rod 33 extends into the floating box 36 to be connected with the limiting plate 38, and the other end of the guide rod 33 extends out of the floating box 36 and is connected with the connector 32 after being sleeved with the spring 35; the connector 32 is connected with a pressure parameter acquisition end of the pressure sensor 31; one end of the floating box 36 far away from the pressure sensor 31 is connected with an upper three-jaw chuck 41;
the inner wall of the flexible shell 37 is also provided with a floating slide rail 39, and the side wall of the floating box 36 is connected with the floating slide rail 39 in a sliding manner;
the guide rod 33 is connected with the floating box 36 through a guide hole arranged on the floating box 36, and a guide sleeve 34 for the guide rod 33 to pass through is arranged at the guide hole;
the lifting device 2 comprises a supporting seat 22 and a first servo motor 21 which are arranged on the fixed box body 11; a linear slide rail 25 is fixedly arranged on the supporting seat 22, and a lifting seat 24 is slidably arranged on the linear slide rail 25; the output end of the first servo motor 21 is connected with a sliding screw rod 23, and the sliding screw rod 23 is sleeved with a lifting seat 24 to form a screw rod sliding table assembly; meanwhile, the lifting seat 24 is connected with the flexible shell 37 of the flexible device 3;
the rotating device 5 comprises a rotating shaft 51 which penetrates through the fixed plate 12 and is connected with the lower three-jaw chuck 42, and a bearing seat 52 is arranged at the penetrating connection position of the rotating shaft 51 and the fixed plate 12; one end of the rotating shaft 51, which is far away from the lower three-jaw chuck 42, is connected with the output end of a second servo motor 55 through a coupler 53 and a torque sensor 54 in sequence;
the fixed plate 12 is also provided with a dust collection box 7 arranged around the outer ring of the clamping device 4;
the dust collecting box 7 is also internally provided with an air blowing device 6, and the air blowing device 6 comprises an air blowing bracket 62 arranged on the dust collecting box 7 and an air blowing cylinder 61 arranged on the air blowing bracket 62; the barrel mouth of the gas blowing barrel 61 is aligned between the upper three-jaw chuck 41 and the lower three-jaw chuck 42.
The working principle is as follows: the flexible change of the acting force can be realized by arranging the flexible device 3; the pressure sensor 31 is connected with the connecting head 32, the connecting head 32 is connected with the two guide rods 33, the two guide rods can penetrate through the floating box 36 to limit the floating box 36, the floating box 36 can move up and down in the flexible shell 37 through the spring 35, the upper three-jaw chuck 41 is arranged at the bottom of the floating box 36, and monitoring and linear change adjustment of matched pressure by the pressure sensor 31 are realized;
the limiting plate 38 is additionally arranged at the bottom of the guide rod 33, so that the floating box 36 can be prevented from falling out of the flexible shell 37 due to overlarge acting pressure, and the floating slide rail 39 arranged in the flexible shell 37 can ensure the stability of the up-and-down fluctuation of the floating box 36 and can further limit the floating box 36; the lower three-jaw chuck 42 is arranged on the rotating shaft 51, the rotating device 5 can drive the lower three-jaw chuck 42 to rotate, and the lifting device 2 can realize the lifting of the upper three-jaw chuck 41 and the magnitude of the acting pressure by controlling the lifting of the flexible device 1; it should be noted that, the computer controlled by the connection of the motor and the sensor is the common knowledge in the art, and is an implicit disclosure, and the computer connected to the first servo motor 21, the second servo motor 55, the torque sensor 54, and the pressure sensor 31 in the present invention does not belong to the improvement part of the present invention, so detailed explanation is not given. The torque sensor arranged in the rotating device 5 can realize real-time response to the torque, and after the torque sensor is linearly stable, the completion of the research process of the workpiece can be judged. As shown in fig. 1, the upper three-jaw chuck 41 is fixed to the lap a workpiece 8, and the lower three-jaw chuck 42 is fixed to the lap B workpiece 9, and although the lap a workpiece 8 is shown in fig. 1 as a valve seat and the lap B workpiece 9 is shown as a valve seat, the present apparatus is not limited to the fixation of the valve seat and the valve seat, and the upper lap a workpiece 8 may be a valve seat and the lower lap B workpiece 9 may be a valve seat; the upper lap 0 workpiece A8 may be a valve element, and the lower lap B workpiece 9 may be a valve seat, and the lap may be performed by fixing the valve seat and the valve element.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (8)
1. A valve seat lapping device is used for lapping a valve seat and a valve core and is characterized by comprising a fixed box frame (1), a lifting device (2), a flexible device (3), a clamping device (4) and a rotating device (5); the fixed box frame (1) comprises a fixed plate (12) and a fixed box body (11) arranged on the fixed plate (12); the clamping device (4) comprises an upper three-jaw chuck (41) and a lower three-jaw chuck (42) which are correspondingly arranged; the lifting device (2) which is slidably arranged on the fixed box body (11) is connected with the upper three-jaw chuck (41) through the flexible device (3), and the rotating device (5) which is arranged on the fixed plate (12) is connected with the lower three-jaw chuck (42).
2. The valve seat lapping device according to claim 1, wherein the flexible device (3) comprises a flexible housing (37) connected with the lifting device (2), and a pressure sensor (31), a connector (32), a guide rod (33), a spring (35), a floating box (36) and a limit plate (38) which are arranged in the inner space of the flexible housing (37); one end of the guide rod (33) extends into the floating box (36) to be connected with the limiting plate (38), and the other end of the guide rod (33) extends out of the floating box (36) and is connected with the connector (32) after being sleeved with the spring (35); the connector (32) is connected with a pressure parameter acquisition end of the pressure sensor (31); one end of the floating box (36) far away from the pressure sensor (31) is connected with an upper three-jaw chuck (41).
3. The valve seat lapping device of claim 2, wherein the guide rod (33) is connected to the floating box (36) through a guide hole provided in the floating box (36), and a guide sleeve (34) for the guide rod (33) to pass through is installed at the guide hole.
4. The valve seat lapping device of claim 2, wherein the inner wall of the flexible housing (37) is further provided with a floating slide rail (39), and the side wall of the floating box (36) is slidably connected with the floating slide rail (39).
5. The valve seat lapping device of claim 2, wherein the lifting device (2) comprises a support seat (22) mounted on the fixed box (11), a first servo motor (21); a linear slide rail (25) is fixedly arranged on the supporting seat (22), and a lifting seat (24) is slidably arranged on the linear slide rail (25); the output end of the first servo motor (21) is connected with a sliding screw rod (23), and the sliding screw rod (23) is sleeved with a lifting seat (24) to form a screw rod sliding table assembly; meanwhile, the lifting seat (24) is connected with a flexible shell (37) of the flexible device (3).
6. The valve seat lapping device according to claim 1, wherein the rotating device (5) comprises a rotating shaft (51) penetrating through the fixing plate (12) and connected with the lower three-jaw chuck (42), and a bearing seat (52) is arranged at the penetrating connection position of the rotating shaft (51) and the fixing plate (12); one end of the rotating shaft (51), which is far away from the lower three-jaw chuck (42), is connected with the output end of a second servo motor (55) through a coupler (53) and a torque sensor (54) in sequence.
7. Valve seat lapping device according to any one of claims 1-6, wherein the fixed plate (12) is further provided with a dust collection box (7) arranged around the outer ring of the clamping device (4).
8. The valve seat lapping device of claim 7, wherein an air blowing device (6) is further provided in the dust collection box (7), the air blowing device (6) comprises an air blowing bracket (62) mounted on the dust collection box (7) and an air blowing cylinder (61) mounted on the air blowing bracket (62); the cylinder mouth of the air blowing cylinder (61) is aligned between the upper three-jaw chuck (41) and the lower three-jaw chuck (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139084.8U CN211760729U (en) | 2020-01-21 | 2020-01-21 | Valve seat matching and grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139084.8U CN211760729U (en) | 2020-01-21 | 2020-01-21 | Valve seat matching and grinding device |
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| Publication Number | Publication Date |
|---|---|
| CN211760729U true CN211760729U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020139084.8U Active CN211760729U (en) | 2020-01-21 | 2020-01-21 | Valve seat matching and grinding device |
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| CN (1) | CN211760729U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937612A (en) * | 2021-03-26 | 2021-06-11 | 中车山东机车车辆有限公司 | Bottom-opening type open-top box and method |
| CN112959141A (en) * | 2021-02-23 | 2021-06-15 | 北京理工大学 | Grinding material granularity gradient change investigation method based on torque feedback |
| CN114683123A (en) * | 2022-06-02 | 2022-07-01 | 杭州奔涌机械有限公司 | Automobile bearing manufacturing device |
| CN115383561A (en) * | 2022-10-10 | 2022-11-25 | 重庆电子工程职业学院 | Automatic valve lapping system and grinding method thereof |
-
2020
- 2020-01-21 CN CN202020139084.8U patent/CN211760729U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112959141A (en) * | 2021-02-23 | 2021-06-15 | 北京理工大学 | Grinding material granularity gradient change investigation method based on torque feedback |
| CN112959141B (en) * | 2021-02-23 | 2022-06-03 | 北京理工大学 | Grinding material granularity gradient change investigation method based on torque feedback |
| CN112937612A (en) * | 2021-03-26 | 2021-06-11 | 中车山东机车车辆有限公司 | Bottom-opening type open-top box and method |
| CN114683123A (en) * | 2022-06-02 | 2022-07-01 | 杭州奔涌机械有限公司 | Automobile bearing manufacturing device |
| CN115383561A (en) * | 2022-10-10 | 2022-11-25 | 重庆电子工程职业学院 | Automatic valve lapping system and grinding method thereof |
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