CN211966883U

CN211966883U - Valve tappet end surface grinding machine

Info

Publication number: CN211966883U
Application number: CN202020634317.1U
Authority: CN
Inventors: 陆剑民; 严永明; 鲁刚
Original assignee: Hangzhou Auto Engine Parts Co ltd
Current assignee: Hangzhou Auto Engine Parts Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-20
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a valve tappet face grinding machine relates to the technical field of grinding machine. When adding valve tappet at present grinding machine again, often one places valve tappet on the anchor clamps in proper order, then carries out abrasive machining with the one end that valve tappet contains the draw-in groove, through foretell processing step, causes valve tappet's batch processing slow, is unfavorable for large-scale production and processing. This scheme includes the workstation, the top of workstation is provided with the anchor clamps subassembly, the top of anchor clamps subassembly is provided with the grinding subassembly, the grinding subassembly is including grinding dish and drive the grinding is coiled its axis pivoted second driving piece, the equal perpendicular to workstation of axis of rotation of rolling disc and grinding dish, it places the district to be provided with a plurality of around its axis in the rolling disc, it is provided with the vertical male standing groove of a plurality of air door tappet to place to distinguish. The valve tappet machining method has the advantages of improving machining efficiency of the valve tappet and being beneficial to large-scale production.

Description

Valve tappet end surface grinding machine

Technical Field

The utility model belongs to the technical field of the technique of grinding machine and specifically relates to a valve tappet end face grinding machine is related to.

Background

A grinding machine is a machine tool that grinds the surface of a workpiece using a grinding tool. Most grinding machines perform grinding using a grinding wheel rotating at a high speed, and a few grinding machines perform grinding using oilstones, sanding belts and other grinders and free abrasives, such as honing machines, superfinishing machines, sanding belt grinders, grinding machines, polishing machines, and the like.

The valve tappet is an important part in an automobile engine, is an assembly component of a valve transmission set except a camshaft, is a driven part of a cam, and has the function of transmitting the motion and the acting force from the cam to a push rod or a valve, and simultaneously bearing the lateral force applied by the cam and transmitting the lateral force to a machine body or a cylinder cover.

Because the terminal surface of valve tappet needs to use with other spare part cooperations, so need carry out abrasive machining to the terminal surface of valve tappet, and current grinding machine adds man-hour to the valve tappet again, often one in proper order with the valve tappet place the anchor clamps on, then carry out abrasive machining with the one end that the valve tappet contains the draw-in groove, through foretell processing step, cause the batch processing of valve tappet slow, be unfavorable for large-scale production and processing.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a valve tappet end face grinding machine, this scheme has the machining efficiency who improves the valve tappet, is favorable to large-scale production's function.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the fixture comprises a workbench, the top of workstation is provided with anchor clamps subassembly, the top of anchor clamps subassembly is provided with the grinding subassembly, the anchor clamps subassembly is including rolling disc and drive the rotation is coiled its axis pivoted first driving piece, the grinding subassembly is including grinding disc and drive the grinding is coiled its axis pivoted second driving piece, the equal perpendicular to workstation of axis of rotation of rolling disc and grinding disc, it places the district to be provided with a plurality of around its axis in the rolling disc, the projection of grinding disc on the rolling disc is located a plurality of place on the motion path in district, it is provided with the vertical male standing groove of a plurality of air feed tappet to place to distinguish.

By adopting the technical scheme, when the end face of the valve tappet needs to be processed, the valve tappet can be sequentially inserted into the placing groove, then the first driving piece drives the placing area to move to the lower part of the grinding disc, the valve tappet inserted into the placing groove is ground, because a plurality of placing areas are arranged, therefore, after one batch of valve lifters in one placing area is processed, the next placing area can be moved to the position below the grinding disc through the first driving piece, so that the next batch of valve lifters can be processed, then, the operator can take out the valve lifters which are processed, and insert the valve lifters to be processed to prepare for the next batch of valve lifter processing, the valve lifter machining method has the advantages that the valve lifter can be conveniently machined in batches, machining efficiency of the valve lifter is improved, and large-scale production operation is facilitated.

The rotary disc is characterized in that a plurality of placing areas are detachably connected with columnar replacing sleeves, the axis of each replacing sleeve is parallel to the axis of the rotary disc, and the placing grooves are formed in the replacing sleeves.

By adopting the technical scheme, after a batch of valve tappets in one of the placing areas are processed, the replacing sleeve can be detached, so that the processed batch of valve tappets can be replaced together, operators can conveniently take and place the valve tappets, and the time for replacing the valve tappets by the operators is saved; on the other hand, because the replacement sleeve can be replaced, the replacement sleeve with different types can be installed on the rotating disc, for example, the replacement sleeve with the placing grooves with different apertures can be replaced, so that the valve tappets with different diameters can be machined, and the compatibility of the grinding machine is further improved.

The grinding device is characterized in that the plurality of placing areas are distributed around the axis of the rotating disc at equal intervals, the plurality of placing grooves are uniformly arranged in the replacement sleeve, and the projection area of the grinding disc on the rotating disc is not smaller than the end surface area of the replacement sleeve.

Through adopting above-mentioned technical scheme, the area of placing revolutes the axis of rotating disk equidistant distribution and the even setting in of standing groove in the replacement cover, can improve the space utilization of rotating disk and replacement cover.

The replacement sleeve is arranged in the placement area in a sliding mode along the vertical direction, a flange with an outward flange is arranged above the replacement sleeve, and the lower end face of the flange is abutted to the upper end face of the rotating disc.

Through adopting above-mentioned technical scheme, can locate the replacement cover and place in the district to through the flange joint in the top of rolling disc, thereby make things convenient for operating personnel to take out the replacement cover.

In a further arrangement, the side wall of the flange is provided with a handle for conveniently lifting the replacement sleeve.

Through adopting above-mentioned technical scheme, can make things convenient for operating personnel to carry out and place the replacement cover from placing the district through setting up the handle.

And further setting, wherein a plurality of buffer layers are arranged on the inner peripheral wall of the placing groove.

Through adopting above-mentioned technical scheme, because during the contact of the periphery wall of valve tappet and the internal perisporium of standing groove, produce friction and mar easily, set up the production that the buffer layer can reduce the mar, improve the smooth finish on valve tappet surface.

The jacking assembly is arranged below the rotating disc and is arranged on the upper end surface of the workbench, the jacking assembly comprises a jacking frame and a third driving piece which is arranged below the jacking frame and drives the jacking frame to move in the vertical direction, and the projection of the jacking frame on the rotating disc is positioned on the motion paths of the plurality of replacement sleeves; a plurality of the below of standing groove all is provided with the jacking passageway, the jacking frame including a plurality of can stretch into respectively to the jacking branch of jacking passageway.

By adopting the technical scheme, when the replacement sleeve moves to the position below the grinding disc, the third driving piece is started to control the jacking support rod to move upwards so as to penetrate into the jacking channel, so that the valve tappet in the placing groove is jacked, and the end face of the valve tappet is in contact with the grinding disc; the lifting distance of the jacking supporting rod can be controlled by controlling the third driving piece, so that the grinding thickness of the valve tappet is controlled.

Further, a cleaning track surrounding the rotating disc is arranged above the workbench.

Through adopting above-mentioned technical scheme, clearance orbital setting can be with the piece scatter that produces when grinding dish processing valve tappet fall in the clearance track to make things convenient for the cleaning work of operating personnel to the grinding machine later stage.

Further, a material guide channel communicated with the outside extends out of the side wall of the cleaning track.

Through adopting above-mentioned technical scheme, thereby the setting of guide passageway can make things convenient for operating personnel to sweep out the piece in the clean track guide passageway department.

To sum up, the utility model discloses a following at least one useful technological effect:

1. in the scheme, due to the arrangement of the rotating disc and the placing areas, after a batch of valve tappets in one of the placing areas are processed, the next placing area is moved to the position below the grinding disc, so that the next batch of valve tappets are processed, an operator can take out the processed valve tappets and insert the valve tappets to be processed to prepare for the next batch of valve tappets, the batch processing of the valve tappets can be facilitated, and the processing efficiency of the valve tappets is improved;

2. in the scheme, the replacement sleeve is detachable, and the replacement sleeve can be detached to replace the processed valve tappets together, so that the valve tappets can be conveniently taken and placed by operators; on the other hand, the replacement sleeve can be replaced, so that the replacement sleeve with the placing grooves with different apertures can be replaced, the valve tappets with different diameters can be machined, and the compatibility of the grinding machine is improved;

3. in the scheme, the jacking assembly can control the ascending distance of the jacking support rod by driving the third driving piece, so that the grinding thickness of the valve tappet is controlled;

4. in this scheme, the orbital setting of clearance can make things convenient for the cleaning work of operating personnel to the grinding machine later stage.

Drawings

Fig. 1 is a three-dimensional schematic diagram of a first embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a first embodiment of the present invention;

FIG. 3 is a cross-sectional view of the installation of the jacking assembly and replacement sleeve of FIG. 2;

fig. 4 is an enlarged schematic view of a in fig. 1.

In the figure, 1, a workbench; 2. a clamp assembly; 3. grinding the assembly; 4. rotating the disc; 5. a first driving member; 6. grinding the disc; 7. a second driving member; 8. a placement area; 9. replacing the sleeve; 10. a flange; 11. a placement groove; 12. a handle; 13. a buffer layer; 14. a jacking assembly; 15. a jacking frame; 16. a third driving member; 17. jacking a disc; 18. jacking a support rod; 19. a support plate; 20. jacking a channel; 21. cleaning the track; 22. a material guide channel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1 and 2, for the valve lifter end surface grinding machine disclosed by the present invention, comprising a worktable 1, a clamp assembly 2 is arranged above the worktable 1, a grinding assembly 3 is arranged above the clamp assembly 2, a supporting plate 19 is connected between the grinding assembly 3 and the worktable 1, the clamp assembly 2 comprises a rotating disc 4 and a first driving member 5 for driving the rotating disc 4 to rotate around the axis thereof, the first driving member 5 is mounted below the rotating disc 4, wherein the first driving member 5 can adopt a motor, the grinding assembly 3 comprises a grinding disc 6 and a second driving member 7 for driving the grinding disc 6 to rotate around the axis thereof, the second driving member 7 is mounted at the upper end of the grinding disc 6, the second driving member 7 can adopt a motor, the rotating axes of the rotating disc 4 and the grinding disc 6 are both perpendicular to the worktable 1, a plurality of columnar placing areas 8 are arranged in the rotating disc 4 at equal intervals around the axis thereof, the diameter of placing district 8 equals the diameter of grinding dish 6, places the up end of district 8 intercommunication rolling disc 4, and the projection of grinding dish 6 on rolling disc 4 is located a plurality of and places the motion route of district 8, and first driving piece 5 can drive placing on the rolling disc 4 district 8 in proper order and rotate to grinding dish 6 under promptly, thereby second driving piece 7 starts and makes grinding dish 6 carry out abrasive machining to the work piece of placing in the district 8. As shown in fig. 3, in order to facilitate replacement of a batch of valve lifters after machining, columnar replacement sleeves 9 are detachably connected in the plurality of placing areas 8, and the axes of the replacement sleeves 9 are parallel to the axis of the rotating disc 4; specifically, in the district 8 is located along vertical direction slip cap to replacement cover 9, the top of replacing cover 9 is provided with outside turn-ups flange 10, and the lower terminal surface of flange 10 sets up with the up end butt of rolling disc 4, and even being provided with the vertical male standing groove 11 of a plurality of air feed stile post in placing the district 8 (see fig. 4), in order to take out replacement cover 9 conveniently, the lateral wall of flange 10 is provided with the handle 12 that conveniently will replace the cover 9 and mention.

As shown in fig. 2 and 3, when the end surface of the valve lifter needs to be machined, the valve lifter may be sequentially inserted into the placing groove 11, then the first driving member 5 drives the placing area 8 to move to the lower side of the grinding disc 6, and the valve lifter inserted into the placing groove 11 is ground, because the placing area 8 is provided with a plurality of valve lifters, after one batch of valve lifters in one of the placing areas 8 is completely machined, the next placing area 8 may be moved to the lower side of the grinding disc 6 by the first driving member 5, so as to machine the next batch of valve lifters, and then an operator may take out the machined valve lifter and insert the valve lifter to be machined to prepare for machining the next batch of valve lifters, by adopting the above steps, the batch machining of the valve lifters may be facilitated, and the machining efficiency of the valve lifters may be improved, is beneficial to large-scale production operation. When the valve tappets with different diameters need to be subjected to marking grinding, the replacement sleeve 9 containing the placing grooves 11 with different apertures can be replaced, so that the valve tappets with different diameters are processed, and the compatibility of the grinding machine is further improved.

In order to avoid the problem that the scratch is formed when the valve tappet peripheral wall is taken and put in the placing groove 11, the buffer layer 13 made of soft rubber materials is arranged on the inner peripheral wall of the placing groove 11, so that the friction of the outer surface of the valve tappet is avoided, and the smoothness of the surface of the valve tappet is improved.

In order to control the grinding thickness of the valve lifter conveniently, a jacking assembly 14 is further arranged on the workbench 1, the jacking assembly 14 is arranged below the rotating disc 4, the jacking assembly 14 comprises a jacking frame 15 and a third driving piece 16 which is arranged below the jacking frame 15 and drives the jacking frame 15 to move in the vertical direction, the third driving piece 16 is arranged at the upper end of the workbench 1 and can adopt an electric cylinder, the moving distance of the jacking frame 15 in the vertical direction can be controlled through the electric cylinder, the projection of the jacking frame 15 on the rotating disc 4 is located on the motion paths of a plurality of replacement sleeves 9, namely the first driving piece 5 can drive the placing areas 8 on the rotating disc 4 to rotate to be right above the jacking frame 15 in sequence; jacking frame 15 is including the jacking dish 17 with the output shaft of third driving piece 16, and the axis of jacking dish 17 coincides with the axis of grinding dish 6, and the up end of jacking dish 17 is provided with the jacking branch 18 of a plurality of vertical upwards extensions, and the below of a plurality of standing groove 11 all is provided with the jacking passageway 20 that supplies jacking branch 18 to follow up penetrating down, and many jacking branch 18 and jacking passageway 20 one-to-one. When the replacement sleeve 9 moves to the position below the grinding disc 6, the third driving piece 16 is started to control the jacking support rod 18 to move upwards so as to penetrate into the jacking channel 20, so that the valve tappet in the placing groove 11 is jacked, and the end face of the valve tappet is in contact with the grinding disc 6; the rising distance of the jacking strut 18 can be controlled by controlling the third driving piece 16, so that the grinding thickness of the valve lifter can be controlled.

As shown in fig. 1 and 2, in order to clean up the chips after the machining of the grinding machine, an annular cleaning track 21 surrounding the rotating disk 4 is provided above the table 1, so that the chips generated when the grinding disk 6 machines the valve lifter can be scattered into the cleaning track 21; the side wall of the cleaning track 21 extends to form a material guide channel 22 communicated with the outside, so that the chips cleaned by the grinding machine can be conveniently swept out from the material guide channel 22 by an operator.

The implementation principle of the embodiment is as follows: when the end face of the valve tappet needs to be machined, the valve tappet can be sequentially inserted into the placing groove 11 in the replacing sleeve 9, then the first driving piece 5 drives the placing area 8 to move to the position below the grinding disc 6, the third driving piece 16 is started, the jacking supporting rod 18 is controlled to move upwards and penetrate into the jacking channel 20, and therefore the valve tappet in the placing groove 11 is jacked up, and the end face of the valve tappet is in contact with the grinding disc 6; the second driving piece 7 is started, so that the grinding disc 6 grinds the workpiece in the placing area 8, after one batch of valve tappets in the placing area 8 right below the grinding disc 6 are machined, the next placing area 8 can be moved to the position below the grinding disc 6 through the first driving piece 5, and the next batch of valve tappets are machined; therefore, the valve tappets can be conveniently processed in batches, the processing efficiency of the valve tappets is improved, and the large-scale production operation is facilitated.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a valve tappet face grinding machine, includes workstation (1), the top of workstation (1) is provided with anchor clamps subassembly (2), the top of anchor clamps subassembly (2) is provided with grinding subassembly (3), its characterized in that: anchor clamps subassembly (2) are including rolling disc (4) and drive rolling disc (4) are around its axis pivoted first driving piece (5), grinding subassembly (3) are including grinding dish (6) and drive grinding dish (6) are around its axis pivoted second driving piece (7), the equal perpendicular to workstation (1) of axis of rotation of rolling disc (4) and grinding dish (6), it places district (8) to be provided with a plurality of around its axis in rolling disc (4), the projection of grinding dish (6) on rolling disc (4) is located a plurality of place on the motion path of district (8), it is provided with vertical male standing groove (11) of a plurality of air feed gate tappet in district (8) to place.

2. The valve lifter face grinding machine according to claim 1, characterized in that: the plurality of placing areas (8) are internally detachably connected with columnar replacing sleeves (9), the axis of each replacing sleeve (9) is parallel to the axis of the rotating disc (4), and the plurality of placing grooves (11) are arranged in the replacing sleeves (9).

3. The valve lifter face grinding machine according to claim 2, characterized in that: the plurality of placing areas (8) are distributed at equal intervals around the axis of the rotating disc (4), the plurality of placing grooves (11) are uniformly arranged in the replacing sleeve (9), and the projection area of the grinding disc (6) on the rotating disc (4) is not smaller than the end surface area of the replacing sleeve (9).

4. The valve lifter face grinding machine according to claim 2, characterized in that: the replacement sleeve (9) is slidably sleeved in the placement area (8) in the vertical direction, a flange (10) with an outward flange is arranged above the replacement sleeve (9), and the lower end face of the flange (10) is abutted to the upper end face of the rotating disc (4).

5. The valve lifter face grinding machine according to claim 4, characterized in that: the side wall of the flange (10) is provided with a handle (12) which is convenient for lifting the replacement sleeve (9).

6. The valve lifter face grinding machine according to claim 2, characterized in that: buffer layers (13) are arranged on the inner peripheral walls of the plurality of placing grooves (11).

7. The valve lifter face grinding machine according to claim 2, characterized in that: the lifting device is characterized by further comprising a lifting assembly (14), wherein the lifting assembly (14) is arranged below the rotating disc (4) and is installed on the upper end face of the workbench (1), the lifting assembly (14) comprises a lifting frame (15) and a third driving piece (16) which is installed below the lifting frame (15) and drives the lifting frame (15) to move in the vertical direction, and the projection of the lifting frame (15) on the rotating disc (4) is located on the motion paths of the plurality of replacement sleeves (9); the jacking frame is characterized in that jacking channels (20) are arranged below the placing grooves (11), and the jacking frame (15) comprises a plurality of jacking support rods (18) which can extend into the jacking channels (20) respectively.

8. The valve lifter face grinding machine according to any one of claims 1 to 7, characterized in that: a cleaning track (21) surrounding the rotating disc (4) is arranged above the workbench (1).

9. The valve lifter face grinding machine according to claim 8, characterized in that: a material guide channel (22) communicated with the outside extends out of the side wall of the cleaning track (21).