CN220613587U

CN220613587U - Measuring equipment for grinding and grinding device

Info

Publication number: CN220613587U
Application number: CN202321488922.2U
Authority: CN
Inventors: 曾少生; 郭成立
Original assignee: Hunan Nanguang Precision Machinery Co ltd
Current assignee: Hunan Nanguang Precision Machinery Co ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2024-03-19
Anticipated expiration: 2033-06-12

Abstract

The utility model provides a measuring device for grinding and a grinding device, which comprises a frame body, a measuring rod and a linkage mechanism, wherein the linkage mechanism comprises a connecting piece, a guide rod and a linear bearing, the guide rod is movably arranged on the frame body along the axis of the guide rod, the axis of the guide rod is parallel to a horizontal plane, the linear bearing is sleeved on the periphery of the guide rod and is fixed on the frame body, one end of the connecting piece is fixed at the end part of the guide rod, and the other end of the connecting piece is used for abutting against the end face of an end cover in an electric main shaft of the grinding device; the measuring rod is movably arranged on the frame body along the axial direction of the measuring rod, the moving direction of the measuring rod is parallel to the moving direction of the guide rod, and a connecting component is arranged between the measuring rod and the guide rod and can enable the measuring rod and the guide rod to synchronously move. The measuring equipment for grinding provided by the utility model can solve the problem that the existing grinding device cannot measure the grinding process in real time, so that the machining precision of the bearing is insufficient.

Description

Measuring equipment for grinding and grinding device

Technical Field

The utility model belongs to the field of grinding, and particularly relates to a measuring device for grinding, and a grinding device.

Background

Grinding is a machining method for removing materials, and particularly relates to a machining method for cutting redundant materials on a workpiece by using an abrasive and a grinding tool.

In principle, grinding is mainly performed by grinding the surface of a workpiece with a grinding tool such as a grinding wheel rotating at a high speed. Grinding is used to machine inner and outer cylindrical surfaces, conical surfaces and flat surfaces of various workpieces, and special and complex forming surfaces such as threads, gears and splines. Because of the high hardness of abrasive particles, the abrasive tool has self-sharpening properties, and grinding can be used for processing various materials, including quenched steel, high-strength alloy steel, hard alloy, glass, ceramic, marble and other high-hardness metal and non-metal materials.

However, in the grinding process of the small-sized bearing device, the existing grinding device is lack of measuring equipment capable of measuring the grinding process of the bearing in real time, so that the problems of large grinding dimensional tolerance range, poor dispersion, unstable measurement and the like of the small-sized bearing are easily caused, and the disposable qualification rate of the small-sized bearing device is not high.

Disclosure of Invention

The utility model aims to provide a measuring device for grinding processing, which aims to solve the problem that the existing grinding device cannot measure the grinding process in real time, so that the processing precision of a bearing is insufficient.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a measuring equipment for abrasive machining, including support body, measuring stick and link gear, link gear includes connecting piece, guide bar and linear bearing, the guide bar along self axis movably set up on the support body, just the axis of guide bar is on a parallel with the horizontal plane, linear bearing cover is located the periphery of guide bar and is fixed in on the support body, connecting piece one end is fixed in the tip of guide bar, the other end is used for the terminal surface of end cover in the electric main shaft of butt grinding device;

the measuring rod is movably arranged on the frame body along the axial direction of the measuring rod, the moving direction of the measuring rod is parallel to the moving direction of the guide rod, a connecting component is arranged between the measuring rod and the guide rod, and the connecting component can enable the measuring rod and the guide rod to synchronously move.

Further, the support body includes fixing base and mounting panel, the fixing base is including holding and fixing linear bearing's fixed box, the length direction of fixed box is on a parallel with the axial of guide bar, just the guide bar sets up the one end of connecting piece protrusion in the lateral wall of fixed box, the other end can follow the removal of guide bar stretches out another lateral wall of fixed box, the mounting panel is located one side on the fixed box width direction, and with fixed box detachable connection, the measuring stick is along self axis movably setting on the mounting panel.

Further, a spring is sleeved on the guide rod, and two ends of the spring are respectively connected with the fixing box and the connecting piece and are configured to have a pretightening force for enabling the connecting piece to be far away from the fixing box.

Further, the measuring device for grinding further comprises a guide mechanism arranged on the frame body, the guide mechanism comprises a linear guide rail and a sliding block, the linear guide rail is arranged on the mounting plate, the length direction of the guide rail is parallel to the axial direction of the measuring rod, and the sliding block is arranged on the linear guide rail in a sliding manner and fixedly connected with the measuring rod.

Further, the fixing base further comprises a first connecting block and a second connecting block which are respectively arranged on two opposite sides of the width direction of the fixing box, the first connecting block is used for fixing the fixing box to a preset station, and the second connecting block is fixed on the side wall of the fixing box and is detachably connected with the mounting plate.

Further, the face of mounting panel perpendicular to horizontal plane, the flexible direction of measuring stick is on a parallel with the horizontal plane simultaneously with the face of mounting panel, the bottom of mounting panel with the connection can be dismantled to the second connecting block.

Further, the connecting piece comprises a bolt piece which is in threaded connection with the end part of the guide rod, one end of the bolt piece is in coaxial threaded connection with the guide rod, a nut which can be abutted against the shaft end face of the electric spindle is arranged at the other end of the bolt piece, a hexagonal counter bore is formed in the nut, and the depth of the hole of the hexagonal counter bore is parallel to the axis of the bolt piece.

Further, the measuring equipment for grinding further comprises a telescopic cylinder arranged on the frame body and positioned on one side of the guide rod, the telescopic direction of the telescopic cylinder is parallel to the axial direction of the guide rod, the cylinder body of the telescopic cylinder is fixedly arranged on the frame body, and the telescopic rods of the telescopic cylinder are respectively fixedly connected with the guide rod and the measuring rod.

Further, the measuring equipment for grinding further comprises a connecting plate fixedly connected with the telescopic rod, the measuring rod and the guide rod, and the plate surface of the connecting plate is perpendicular to the horizontal plane and the plate surface of the mounting plate.

Compared with the prior art, the utility model has the beneficial effects that: in the grinding process of the bearing, the measuring rod can measure the machining surface of the bearing by the grinding device so as to be beneficial to guaranteeing the machining precision of the grinding process; meanwhile, in the process of driving the grinding wheel to move along the axial direction of the bearing, the guide rod abutted with the electric spindle can move along with the movement of the electric spindle, so that the measuring rod is driven to move, and the measuring rod can move synchronously with the grinding wheel, so that the size of the bearing in the grinding process is measured in real time, and the technical problems that the machining precision is insufficient and the production efficiency cannot meet the production requirement due to the lack of a synchronous measuring function of the conventional grinding device are solved.

In addition, the linear bearing is arranged, so that the expansion and contraction direction of the guide rod can be limited, and the displacement deviation of the guide rod in the radial direction can be reduced.

Another object of the present utility model is to propose a grinding device comprising a measuring apparatus for grinding as described above.

Compared with the prior art, the utility model has all the advantages of the measuring equipment for grinding, and is not described herein.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. In the drawings:

fig. 1 is a schematic perspective view of a grinding measuring apparatus according to the present utility model in a top view;

fig. 2 is a schematic diagram of the overall structure of the grinding measuring device according to the present utility model in a front view;

FIG. 3 is a schematic diagram of the connection relationship between the linkage mechanism and the frame body adopted by the utility model;

fig. 4 is a schematic diagram of a connection relationship between a linkage mechanism and a frame body under another view angle.

In the figure:

1. a frame body; 11. a fixing seat; 110. a first connection block; 111. a fixed box; 112. a second connection block; 12. a mounting plate;

2. a measuring rod;

3. a linkage mechanism; 31. a connecting piece; 311. a screw; 312. a screw cap; 313. a hexagonal counter bore; 32. a guide rod; 320. a spring; 33. a linear bearing;

4. a guide mechanism; 41. a linear guide rail; 42. a slide block;

5. a telescopic cylinder;

6. and (5) connecting a plate.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an azimuth or a positional relationship such as "upper", "lower", "inner", "back", and the like are presented, they are based on the azimuth or the positional relationship shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 4 together, a measuring apparatus for grinding according to the present utility model will now be described. The measuring equipment for grinding comprises a frame body 1, a measuring rod 2 and a linkage mechanism 3, wherein the linkage mechanism 3 comprises a connecting piece 31, a guide rod 32 and a linear bearing 33, the guide rod 32 is movably arranged on the frame body 1 along the axis of the guide rod 32, the axis of the guide rod 32 is parallel to the horizontal plane, the linear bearing 33 is sleeved on the periphery of the guide rod 32 and is fixed on the frame body 1, one end of the connecting piece 31 is fixed at the end part of the guide rod 32, and the other end of the connecting piece 31 is used for being abutted against the end face of an end cover in an electric spindle of a grinding device; the measuring rod 2 is movably arranged on the frame body 1 along the shaft direction of the measuring rod 2, the moving direction of the measuring rod 2 is parallel to the moving direction of the guide rod 32, a connecting component is arranged between the measuring rod 2 and the guide rod 32, and the connecting component can enable the measuring rod 2 and the guide rod 32 to synchronously move.

In some embodiments, the connection assembly may be provided as a connection rod capable of being fixedly connected to both the measuring rod 2 and the guiding rod 32.

In the actual production process, the output shaft of the electric spindle is connected with a grinding wheel for grinding the bearing, and the electric spindle body can move on the grinding device along the axis direction of the electric spindle body and can drive the grinding wheel to rotate along the axis so as to grind the bearing.

The beneficial effects of this embodiment lie in: in the grinding process of the bearing, the measuring rod 2 can measure the machining surface of the bearing, so that the machining precision of the grinding process can be guaranteed; meanwhile, in the process of driving the grinding wheel to move along the axial direction of the bearing, the guide rod 32 abutted against the electric spindle can move along with the movement of the electric spindle, so that the measuring rod 2 is driven to move, and the measuring rod 2 can synchronously move with the grinding wheel, so that the size of the bearing in the grinding process is measured in real time, and the technical problems that the machining precision is insufficient and the production efficiency cannot meet the production requirement due to the lack of a synchronous measurement function of the conventional grinding device are solved.

In addition, in the present embodiment, by providing the linear bearing 33, the expansion and contraction direction of the guide rod 32 can be limited, and the displacement deviation of the guide rod 32 in the radial direction can be reduced advantageously.

It should be noted that, the measuring device for grinding in this embodiment is assembled on a preset grinding device, where the grinding device performs grinding on the bearing by using an electric spindle provided with a grinding head, the electric spindle that the connecting piece 31 abuts against is in the same structure as the electric spindle provided with the grinding head in the grinding device, and the guide rod 32 only moves along the axial direction of itself, but does not rotate around the radial direction of itself in the process of driving the grinding head to move; the measuring rod 2 is a measuring instrument in the prior art, and its specific structure is disclosed in the prior art, and is not described here.

Optionally, the number of the linear bearings 33 is plural, and each linear bearing 33 is sleeved on the guide rod 32 and fixed on the frame body 1, so as to improve the accuracy of the guide rod 32 when stretching in the axial direction.

In some embodiments, the frame 1 includes a fixing base 11 and a mounting plate 12, the fixing base 11 includes a fixing case 111 for accommodating and fixing the linear bearing 33, the length direction of the fixing case 111 is parallel to the axial direction of the guide rod 32, and the guide rod 32 is provided with one end of the connecting member 31 protruding from the side wall of the fixing case 111, the other end is capable of protruding from the other side wall of the fixing case 111 with the movement of the guide rod 32, the mounting plate 12 is provided on one side in the width direction of the fixing case 111 and detachably connected with the fixing case 111, and the measuring rod 2 is movably provided on the mounting plate 12 along its own axis.

In this embodiment, by arranging the fixing seat 11 and the mounting plate 12, the guide rod 32, the fixing seat 11, the mounting plate 12 and the measuring rod 2 can be assembled in advance, so that the assembling process of the measuring device for grinding of the utility model is more reasonable. Meanwhile, the fixing box 111 is arranged, so that protection can be formed on the linear bearing 33, and machining scraps in the grinding process are prevented from being blocked into the linear bearing 33.

In some embodiments, a spring 320 is sleeved on the guide rod 32, and two ends of the spring 320 are respectively connected with the fixing box 111 and the connecting piece 31 and configured to have a pre-tightening force for keeping the connecting piece 31 away from the fixing box 111.

In this embodiment, by setting the spring 320, the end of the connecting piece 31 can always abut against the shaft end surface of the electric spindle in the process of pushing the guide rod 32 to stretch, in addition, the guide rod 32 can also move along with the movement of the electric spindle in the process of retracting the electric spindle, so as to drive the measuring rod 2 to move along the length direction of the electric spindle, and the measuring rod 2 and the electric spindle keep moving synchronously. In addition, by arranging the spring 320, the embodiment does not need to additionally arrange a power mechanism to retract the telescopic rod along with the electric spindle, which is beneficial to saving the optional consumption of the embodiment in the use process.

In some embodiments, the measuring device for grinding further comprises a guiding mechanism 4 arranged on the frame body 1, the guiding mechanism 4 comprises a linear guide rail 41 and a sliding block 42, the linear guide rail 41 is arranged on the mounting plate 12, the length direction of the guide rail is parallel to the axial direction of the measuring rod 2, and the sliding block 42 is slidably arranged on the linear guide rail 41 and fixedly connected with the measuring rod 2.

In this embodiment, through the sliding fit between the straight line and the slider 42, the extension and retraction direction of the measuring rod 2 can be limited while the measuring rod 2 is mounted on the mounting plate 12, so as to prevent the measuring rod 2 from being deflected in the radial direction in the axial extension and retraction process, which is beneficial to guaranteeing the measurement accuracy of the measuring rod 2.

In some embodiments, the fixing base 11 further includes a first connection block 110 and a second connection block 112 respectively disposed at opposite sides of the fixing case 111 in the width direction, the first connection block 110 is used for fixing the fixing case 111 to a predetermined station, and the second connection block 112 is fixed to a sidewall of the fixing case 111 and detachably connected to the mounting plate 12.

In this embodiment, by further optimizing the setting of the fixing base 11, the assembly between the fixing box 111 and the guide rod 32 and the linear bearing 33 can be preferentially performed, so that the assembly process of the measuring device for grinding in this embodiment is more reasonable.

In some embodiments, to maintain the telescoping direction of the telescoping rod parallel to the length of the guide rod 32, the plate surface of the mounting plate 12 is perpendicular to the horizontal plane, the telescoping direction of the measuring rod 2 is parallel to both the horizontal plane and the plate surface of the mounting plate 12, and the bottom of the mounting plate 12 is detachably connected to the second connection block 112.

In some embodiments, to facilitate adjusting the distance between the guide rod 32 and the electric spindle, the connecting piece 31 includes a bolt member screwed on the end of the guide rod 32, one end of the bolt member is coaxially screwed with the guide rod 32, the other end of the bolt member is provided with a nut 312 capable of abutting against the shaft end face of the electric spindle, a hexagonal counter bore 313 is formed in the nut 312, and the hole depth of the hexagonal counter bore 313 is parallel to the axis of the bolt member.

It should be noted that the bolt member includes a screw 311 and a nut 312, one end of the screw 311 is coaxially screwed with the guide rod 32, and the other end is fixedly connected with the nut 312.

In this embodiment, the hexagonal counter bore 313 is formed in the nut 312, so that an operator can conveniently adjust the screwing depth of the bolt member in the axial direction of the guide rod 32 by using a tool such as a hexagonal wrench, thereby conveniently adjusting the distance between the guide rod 32 and the motorized spindle.

In a specific implementation process, the electric spindle is abutted against a nut 312 provided with a hexagonal counter bore 313, and then the guide rod 32 stretches on the frame body 1 along the axial direction thereof under the pushing of the electric spindle and the supporting action of the spring 320.

In some embodiments, when the machined bearing needs to be removed from the grinding device, the measuring rod 2 and the guide rod 32 need to be retracted to take the bearing out of the grinding device, and for this working condition, in order to conveniently take out the bearing located on the grinding device, the measuring device for grinding in this embodiment further includes a telescopic cylinder 5 disposed on the frame body 1 and located on one side of the guide rod 32, and the telescopic direction of the telescopic cylinder 5 is parallel to the axial direction of the guide rod 32, the cylinder body of the telescopic cylinder 5 is fixedly mounted on the frame body 1, and the telescopic rods of the telescopic cylinder 5 are fixedly connected with the guide rod 32 and the measuring rod 2 respectively.

So set up, when need take off the bearing from grinding equipment, can drive telescopic cylinder 5 to make guide bar 32 and measuring stick 2 retract, and then take out the bearing after the processing.

In addition, when the next bearing to be machined is installed at a predetermined station of the grinding apparatus, the cylinder may be actuated to bring the nut 312 of the bolt member into abutment with the motorized spindle in preparation for the next bearing grinding step.

In some embodiments, to achieve the follow-up connection of the measuring rod 2 and the guide rod 32, the measuring device for grinding further comprises a connecting plate 6 fixedly connecting the telescopic rod, the measuring rod 2 and the guide rod 32, wherein the plate surface of the connecting plate 6 is perpendicular to the horizontal plane and the plate surface of the mounting plate 12.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The measuring equipment for grinding is characterized by comprising a frame body, a measuring rod and a linkage mechanism, wherein the linkage mechanism comprises a connecting piece, a guide rod and a linear bearing, the guide rod is movably arranged on the frame body along the axis of the guide rod, the axis of the guide rod is parallel to the horizontal plane, the linear bearing is sleeved on the periphery of the guide rod and is fixed on the frame body, one end of the connecting piece is fixed at the end part of the guide rod, and the other end of the connecting piece is used for abutting against the end face of an end cover in an electric spindle of a grinding device;

2. The measuring apparatus for grinding according to claim 1, wherein the frame body includes a fixing base and a mounting plate, the fixing base includes a fixing case accommodating and fixing the linear bearing, a length direction of the fixing case is parallel to an axial direction of the guide bar, and the guide bar is provided with one end of the connecting member protruding from a side wall of the fixing case, and the other end is capable of protruding from the other side wall of the fixing case in association with movement of the guide bar, and the mounting plate is provided on one side in a width direction of the fixing case and detachably connected to the fixing case, and the measuring bar is provided on the mounting plate movably along its own axis.

3. The measuring apparatus for grinding according to claim 2, wherein the guide rod is provided with a spring, both ends of which are respectively connected to the fixing case and the connecting member, and configured to have a preload force for moving the connecting member away from the fixing case.

4. The measuring device for grinding according to claim 2, further comprising a guide mechanism provided on the frame body, the guide mechanism comprising a linear guide rail provided on the mounting plate with a length direction parallel to an axial direction of the measuring rod, and a slider slidably provided on the linear guide rail and fixedly connected with the measuring rod.

5. The measuring apparatus for grinding according to claim 4, wherein the fixing base further comprises first and second connection blocks provided on opposite sides in a width direction of the fixing case, respectively, the first connection block being for fixing the fixing case to a predetermined station, and the second connection block being fixed to a side wall of the fixing case and detachably connected to the mounting plate.

6. The measuring apparatus for grinding according to claim 5, wherein the plate surface of the mounting plate is perpendicular to a horizontal plane, the extension and contraction direction of the measuring rod is parallel to both the horizontal plane and the plate surface of the mounting plate, and the bottom of the mounting plate is detachably connected to the second connection block.

7. The measuring device for grinding according to claim 2, wherein the connecting piece comprises a bolt piece screwed on the end part of the guide rod, one end of the bolt piece is coaxially screwed with the guide rod, a nut capable of being abutted against the shaft end face of the electric spindle is arranged at the other end of the bolt piece, a hexagonal counter bore is formed in the nut, and the hole depth of the hexagonal counter bore is parallel to the axis of the bolt piece.

8. The measuring apparatus for grinding according to claim 7, further comprising a telescopic cylinder provided on the frame body and located at one side of the guide rod, wherein a telescopic direction of the telescopic cylinder is parallel to an axial direction of the guide rod, a cylinder body of the telescopic cylinder is fixedly mounted on the frame body, and telescopic rods of the telescopic cylinder are fixedly connected with the guide rod and the measuring rod, respectively.

9. The measuring apparatus for grinding according to claim 8, further comprising a connection plate fixedly connecting the telescopic rod, the measuring rod and the guide rod, the plate surface of the connection plate being perpendicular to both the horizontal plane and the plate surface of the mounting plate.

10. A grinding apparatus, characterized by comprising the measuring device for grinding according to any one of claims 1 to 9.