CN112372083B

CN112372083B - Opposite grinding operation device and opposite grinding equipment thereof

Info

Publication number: CN112372083B
Application number: CN202011212520.0A
Authority: CN
Inventors: 郭航; 崔中; 刘松; 贾存齐; 张红梅
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-12-24
Anticipated expiration: 2040-11-03
Also published as: CN112372083A

Abstract

The utility model relates to a lathe is to grinding technical field, the application discloses an operating means and is to grinding equipment thereof, including base, supporting seat, connecting piece and action bars, the one end rotatable coupling of supporting seat in the base, the other end of supporting seat is spacing to be supported the action bars, the one end rotatable coupling of action bars in the connecting piece, the connecting piece has connecting portion, connecting portion are used for connecting the device of waiting to be to grinding, through the action of swaing of action bars drives the connecting piece reaches the device of waiting to be to grinding carries out the counterpulsation. Compared with the prior art, this application passes through the supporting seat as the fulcrum, and the action that the accessible action bars swayd during the use drives the connecting piece and treats that the lapping device carries out the lapping, uses manpower sparingly, convenient operation, and operating area is big simultaneously, and is efficient to lapping, can not treat the lapping surface of lapping the device and have the damage.

Description

Opposite grinding operation device and opposite grinding equipment thereof

Technical Field

The application relates to the technical field of machine tool lapping, in particular to a lapping operation device and a lapping device thereof.

Background

With the improvement of the machining precision requirement, the requirement on a machine tool (a machining center) tends to develop at high speed and high precision, and the matching rigidity, the lubricating performance, the mechanical efficiency and the service life of planes between parts inside the machine tool need to be improved for realizing high precision. However, if the surface grinder and the rail grinder are used for mechanical grinding, the best effect is difficult to achieve, so manual scraping is a necessary processing technology for processing high-grade machine tool equipment or cast iron flat plates and the like.

In a large machining center, the joint surfaces of large castings such as columns and beds need to be manually scraped, when the joint surfaces of the large castings are scraped, a layer of indicator needs to be coated between matched workpieces, the higher parts of the workpieces are displayed through lapping, and then a scraper is used for micro-cutting to scrape the metal layers at the higher parts. By repeating such lapping and scraping, the number of contact points on the surface can be increased to provide a precise fit between the workpieces in the correct shape. In the opposite grinding process, a casting with large mass is often difficult to move on a joint surface, a common method is that a wooden stick or a steel pipe is inserted into a hole of the casting to apply force to make the casting shake, but the method wastes time and labor, has low efficiency and high cost, and can damage the casting to a certain extent.

Disclosure of Invention

In order to solve the technical problems that the conventional lapping operation is time-consuming and labor-consuming, low in efficiency and high in cost, and the casting is easy to damage, the main purpose of the application is to provide a lapping operation device and lapping equipment thereof, wherein the lapping operation device is labor-saving, high in efficiency, low in cost and not easy to damage the casting.

In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:

according to one aspect of the application, a lapping operation device is provided, which comprises a base, a supporting seat, a connecting piece and an operating rod;

one end of the supporting seat is rotatably connected to the base;

the other end of the supporting seat supports the operating rod in a limiting manner;

one end of the operating rod is rotatably connected to the connecting piece;

the connecting piece is provided with a connecting part which is used for connecting the device to be lapped;

the connecting piece and the device to be lapped are driven to be lapped through the swinging action of the operating rod.

According to an embodiment of the present application, the supporting seat includes a rotating member, the rotating member is supported by the operating rod, and the operating rod can change the spacing distance between the connecting member and the supporting seat through the rotating member.

According to an embodiment of the present application, the supporting base includes a rotating base rotatably coupled to the base, and the rotating member is rotatably mounted to the rotating base.

According to an embodiment of the application, wherein the supporting seat comprises a limiting clamp, and the operating rod is limited and fixed in the limiting clamp.

According to an embodiment of the application, wherein the supporting seat with be provided with the regulation pole between the base, adjust the pole rotationally assemble in the base, the supporting seat accessible adjust the rotation of pole and drive the action bars rocks on the horizontal plane.

According to an embodiment of the present application, a limiting member is included between the adjusting rod and the base, and the limiting member can limit an axial separation distance between the adjusting rod and the base.

According to an embodiment of the present application, a bearing member is included between the adjusting lever and the base, and the adjusting lever can rotate relative to the base through the bearing member.

According to an embodiment of the application, wherein the base comprises a post, the post comprises a receptacle, and the adjustment lever is rotatably fitted in the receptacle.

According to an embodiment of the present application, the base includes a chassis, and a plurality of reinforcing ribs are disposed between the pillar and the chassis, and are spaced apart from the pillar and the chassis.

According to an embodiment of the present application, a rotating shaft is disposed between the connecting member and the operating rod, and the connecting member and the operating rod can swing in a horizontal plane through the rotating shaft.

According to an embodiment of the application, wherein the operating rod is provided with a plug part, and the connecting piece can be clamped and fixed on the plug part through the rotating shaft.

According to an embodiment of the present application, the connecting member includes a rotating portion, the rotating shaft is assembled between the rotating portion and the operating lever, and the rotating portion can rotate relative to the operating lever through the rotating shaft.

According to an embodiment of the present application, the rotating portion has an arc-shaped or triangular cross-section.

According to another aspect of the application, a lapping device is provided, comprising the lapping operation device.

According to the technical scheme, the opposite grinding operation device and the opposite grinding equipment have the advantages and positive effects that:

the operating rod can circumferentially swing relative to the supporting seat as a fulcrum, one end of the operating rod is provided with the connecting piece, so that the operating rod can drive the connecting piece to swing, the connecting part of the connecting piece is assembled on the device to be lapped and simultaneously drives the device to be lapped to swing and lap, when the device to be lapped is used, only one end of the operating rod needs to be applied with force, the device to be lapped is lapped by utilizing the lever principle, labor is saved, the operating space of lapping in the lapping process is increased, the working efficiency of manual lapping is increased, and meanwhile damage to the lapping surface by the lapping operating device can be avoided.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic diagram illustrating an overall structure of a lapping operation device according to an exemplary embodiment.

FIG. 2 is a schematic diagram illustrating an overall configuration of a support base of a lapping device according to an exemplary embodiment.

Figure 3 is a schematic illustration of a partial explosion of the overall structure of a lapping device according to an exemplary embodiment.

Figure 4 is a schematic illustration of another portion of an exploded view of the overall structure of a lapping device according to an exemplary embodiment.

Wherein the reference numerals are as follows:

1. a base; 101. a column; 102. a jack; 103. a chassis; 104. reinforcing ribs; 100. a first direction; 200. a second direction; 2. a supporting seat; 201. a rotating member; 202. a rotating base; 203. a limiting clamp; 3. a connecting member; 301. a connecting portion; 302. a rotating part; 300. a device to be lapped; 4. an operating lever; 401. a plug-in part; 5. adjusting a rod; 6. a limiting member; 7. a bearing member; 8. a rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

With the improvement of the requirement of machining precision, the fit tolerance between machine tool parts needs to be reduced as much as possible, in order to reduce the fit tolerance between the fit surfaces of the parts inside the machine tool, the manual lapping operation between the machine parts is a necessary processing technology of high-precision equipment or cast iron flat plates and the like, and because the lapping operation is carried out on equipment to be lapped with larger mass in the prior art, a common method is that a wood stick or a steel pipe is stretched into a casting hole to apply force to make the casting to shake, but the method wastes time and labor, has low efficiency and high cost, and can damage the casting to a certain extent.

The method is characterized in that holes are formed in the surface of the device 300 to be lapped, namely the holes of the device 300 to be lapped are used as fulcrums, the device is made to swing by adopting a lever principle, and then the joint surfaces of the two devices 300 to be lapped are lapped. Therefore, one aspect of the present application provides an operating device for opposite grinding, which includes a base 1, a supporting seat 2, a connecting member 3 and an operating rod 4, wherein the supporting seat 2 is rotatably fixed by the base 1, the operating rod 4 is fixed by the supporting seat 2 in a limited manner, the connecting member 3 is rotatably connected to one end of the operating rod 4, the device 300 to be opposite ground is fixed by one end of the connecting member 3, when in use, a horizontal pushing force or a pulling force can be applied to one end of the operating rod 4, and then the supporting seat 2 is rotated to drive the connecting member 3 and the device 300 to be opposite ground to swing, so that the two devices 300 to be opposite ground can be staggered and opposite grinding can be performed on the basis of the pressure between the two devices 300.

Referring to fig. 1, there is shown an overall structure schematic of a lapping operation device according to an exemplary embodiment, in use, it is required to enable a supporting seat 2 to fix an operating rod 4, control a spacing distance between the supporting seat 2 and a connecting member 3, and adjust a point of a position of the supporting seat 2 and the operating rod 4 when a force is applied, so as to save more manpower, as an example, the spacing distance between the supporting seat 2 and the connecting member 3 may be controlled to be 1/3 times of the spacing distance between the supporting seat 2 and a manual force application point, so as to provide a sufficiently large operation space, and a person skilled in the art may also adjust a length of the operating rod 4 according to a mass of the lapping operation device 300, and adjust a position of the force application point according to a lever principle, so as to save manpower and provide efficiency of lapping.

As an example, the link 3 may be provided on an arc-shaped rotating sheet metal member, the link 3 may be fixedly connected to one end of the operating rod 4 by a pin structure, a connecting portion 301 may be provided at one end of the link 3, the connecting portion 301 may be attached to the device 300 to be lapped, and the connecting portion 301 may be fixedly connected to the device 300 to be lapped by a screw structure or the like. It should be understood that the fixing of the connecting part 301 and the device 300 to be investigated by means of fasteners such as screws requires considering the quality of the device 300 to be investigated and the number of screws and the positions of the fixing installation are distributed according to the actual situation so as to be able to provide a sufficient fastening force for investigation and prevent the problem of separation of the connecting part 3 and the device 300 to be investigated during the investigation.

Furthermore, in order to further avoid the damage of the lapping operation device to the device 300 to be lapped, the connecting part 3 and the connecting part 301 are correspondingly connected to the non-lapping binding surface of the device 300 to be lapped, for example, after two devices 300 to be lapped are bound, the lapping operation device is disposed at a position away from two sidewalls of the lapping binding surface, so as to avoid the problem that the lapping binding surface to be lapped is damaged by a hole as a fulcrum in the lapping process in the prior art.

Referring to fig. 2, an overall structure of a supporting seat 2 of a lapping operation device is schematically shown according to an exemplary embodiment, according to an embodiment of the present application, wherein the supporting seat 2 includes a rotating member 201, the rotating member 201 is supported on the operation rod 4, and the operation rod 4 can change a spacing distance of the connecting member 3 relative to the supporting seat 2 through the rotating member 201.

As an example, the axis of the rotating element 201 may be perpendicular to the axis direction of the operating rod 4, so that the operating rod 4 may be pressed against the position of the rotating element 201, that is, the operating rod 4 is forced to contact the rotating element 201, during the lapping process, the supporting base 2 may drive the operating rod 4 to rotate and swing along the direction perpendicular to the ground as the rotating shaft 8, thereby realizing the horizontal rotating and swinging lapping, and the rotating element 201 may be rotatably connected to the supporting base 2, so that the rotating element 201 may rotate in the direction perpendicular to the operating rod 4.

For example, the operating rod 4, the rotating member 201, and the support base 2 may be rotated in the x, y, and z-axis directions, respectively, which are axial directions, and the z-axis direction is a direction perpendicular to the ground.

According to an embodiment of the present application, the supporting base 2 includes a rotating base 202, the rotating base 202 is rotatably coupled to the base 1, and the rotating member 201 is rotatably coupled to the rotating base 202.

As an example, a rotating bearing member 7 may be disposed between the rotating base 202 and the base 1, the rotating base 202 and the base 1 are fixed in a limited manner by the rotating bearing member 7, and the rotating base 202 can rotate on a horizontal plane by the rotating bearing member 7, so as to drive the operating rod 4 to rotate.

It should be understood that the rotating member 201 can control the operating rod 4 to reciprocate in the second direction 200, and the operating rod 4 can reciprocate in the first direction 100 through the supporting seat 2, and the first direction 100 is perpendicular to the second direction 200.

According to an embodiment of the present application, the supporting seat 2 includes a limiting clamp 203, and the operating rod 4 is limited and fixed in the limiting clamp 203.

Preferably, the limiting clamps 203 are disposed at two sides of the operating rod 4, and limit the operating rod 4 and fix it in the supporting seat 2, it should be understood that the limiting clamps 203 can limit the distance between the supporting seat 2 and the connecting piece 3 of the operating rod 4, so as to prevent the operating rod 4 from being displaced in the axial direction during the butt-grinding process, and improve the convenience of use.

As an example, the limit clamp 203 may be provided with a limit clamp 203 of an annular flange locking structure, the closed side of the annular flange limit clamp 203 is fixedly connected to the supporting seat 2, the operating rod 4 may be clamped in through the open end of the flange when in use, and after the spacing distance between the supporting seat 2 and the connecting member 3 is adjusted, the limit clamp 203 of the flange may be tightened by a fastening member such as a screw, so that the operating rod 4 may be limited and fixed by the limit clamp 203.

Still can with spacing clamp 203 sets up to telescopic U-shaped spacing clamp 203 the U-shaped open end card of spacing clamp 203 is gone into to pass through action bars 4, can be easy to assemble fixed action bars 4 can the both sides of spacing clamp 203 set up telescopic link (not shown in the figure), and the adjustment of the telescopic link of accessible two lateral walls of spacing clamp 203 are relative the interval distance of action bars 4, after adjusting supporting seat 2 with the interval distance between the connecting piece 3, the accessible telescopic link will U-shaped spacing clamp 203 tightens up, so that spacing clamp 203 can be spacing fixed action bars 4.

Furthermore, an anti-slip member (not shown in the figure) can be arranged on one side of the limiting clamp 203 facing the operating rod 4, and the anti-slip member can be arranged as an anti-slip strip perpendicular to the operating rod 4, so that the anti-slip member and the limiting clamp 203 are integrally connected, and further, the operating rod 4 can be prevented from being displaced along the axial direction of the operating rod 4 in the using process, the using convenience is further improved, and the limiting and fixing effect of the limiting clamp 203 is improved.

The anti-skid piece can be arranged to be a rubber anti-skid pad attached to the limiting clamp 203, so that the fixing effect of the limiting clamp 203 and the operating rod 4 bracket is further improved, and the operating rod 4 is prevented from sliding relatively in the using process.

The rotating member 201 is disposed at the bottom of the limiting clamp 203 to support the operating rod 4, and preferably, the rotating member 201 is disposed as a rotating shaft 8, so that the operating rod 4 can abut against the rotating shaft 8.

Referring to fig. 3, a schematic diagram of a partial explosion structure of an overall structure of a lapping device according to an exemplary embodiment is shown, according to an embodiment of the present application, an adjusting rod 5 is disposed between the supporting seat 2 and the base 1, the adjusting rod 5 is rotatably mounted on the base 1, and the supporting seat 2 can drive the operating rod 4 to swing on a horizontal plane through rotation of the adjusting rod 5.

As an example, the supporting seat 2 is rotatably installed and fixed on one end of the adjusting rod 5, so that the other end of the adjusting rod 5 is integrally assembled with the base 1, and it should be noted that the base 1 can have sufficient quality and stability for manually applying the operating rod 4 for grinding.

Preferably, the adjusting rod 5 may be a telescopic adjusting rod 5, so that the height of the supporting seat 2 relative to the device 300 to be ground can be adjusted by the adjusting rod 5 in the vertical direction, thereby facilitating the grinding of different devices 300 to be ground and improving the universality of use.

According to an embodiment of the present application, a limiting member 6 is included between the adjusting rod 5 and the base 1, and the limiting member 6 can limit an axial separation distance between the adjusting rod 5 and the base 1.

As an example, the limiting member 6 may be provided as a bolt, the adjusting rod 5 is provided with a plurality of bolt holes, and after the adjusting rod is extended to a preset height, the bolt may be inserted into the bolt holes, so as to fix the height of the adjusting rod 5 in the vertical direction.

Preferably, the limiting member 6 may be a flange structure, and when the adjusting rod 5 is adjusted to the set spacing distance, the adjusting rod 5 is fastened and clamped at the fixed position through the limiting member 6 of the flange structure.

It should be understood that, in order to facilitate the detachable connection of the adjusting rod 5 with the base 1, when the base 1 has a large mass, the chassis 103 does not need to be moved, the length of the adjusting rod 5 can be changed, and therefore the height of the supporting base 2 relative to the device 300 to be investigated can be adjusted, and therefore the investigation of different devices 300 to be investigated can be facilitated.

Furthermore, if adjust pole 5 and be scalable pole, the locating part 6 of flange structure can be greater than according to in service behavior adjust the maximum external diameter of pole 5, and then can conveniently fix, or set up elasticity joint spare (not shown in the figure) between the body of rod of the diameter that the telescopic link is different, will adjust pole 5 and fix and set for the height, the telescopic link of elasticity joint can adopt prior art to realize, does not carry out the detailed description in this application.

According to an embodiment of the present application, a bearing member 7 is included between the adjusting lever 5 and the base 1, and the adjusting lever 5 can rotate relative to the base 1 through the bearing member 7.

As an example, a mounting slot hole of the bearing member 7 may be disposed on the base 1, and the adjusting rod 5 may be fixed and mounted in the mounting slot hole through the bearing member 7, so as to further facilitate the rotation between the adjusting rod 5 and the base 1, and improve the convenience of the rotation process.

Preferably, the bearing member 7 may be provided as a one-way thrust ball bearing.

According to an embodiment of the present application, the base 1 comprises a column 101, the column 101 comprises a receptacle 102, and the adjustment lever 5 is rotatably mounted in the receptacle 102.

It should be understood that the upright post 101 can be integrally connected with the base 1, so as to improve the stability of the base 1 during the lapping process, and the adjusting rod 5 can be inserted into the insertion hole 102 and can be rotatably connected into the insertion hole 102 of the upright post 101.

For example, the bearing member 7 may be disposed in the insertion hole 102 between the upright 101 and the adjusting lever 5, and the height of the supporting seat 2 at one end of the adjusting lever 5 relative to the device 300 to be lapped may be limited and fixed by the limiting member 6.

According to an embodiment of the present application, the base 1 includes a bottom plate 103, a plurality of reinforcing ribs 104 are disposed between the upright 101 and the bottom plate 103, and the plurality of reinforcing ribs 104 are spaced apart from the upright 101 and the bottom plate 103.

It should be understood that the reinforcing ribs 104 may be equally and uniformly distributed between the upright 101 and the chassis 103, so as to improve the stability of the base 1 during the swinging and opposite grinding of the operating rod 4 and prevent the base from falling down during the opposite grinding.

Referring to fig. 4, another part of the overall structure of a lapping device is shown in an exploded view according to an exemplary embodiment, according to an embodiment of the present application, a rotating shaft 8 is provided between the connecting member 3 and the operating rod 4, and the connecting member 3 and the operating rod 4 can swing in a horizontal plane through the rotating shaft 8.

As an example, the rotating shaft 8 may be provided with a latch structure, and a through hole is provided at a corresponding position of the operating rod 4 and the connecting member 3, so as to facilitate installation and fixation.

According to an embodiment of the present application, the operation rod 4 is provided with a plug portion 401, and the connection member 3 can be fixed to the plug portion 401 through the rotation shaft 8 in a clamping manner.

As an example, the insertion part 401 may be provided with a U-shaped opening, and the connecting member 3 may be fixed in the insertion part 401 by the rotation shaft 8 in a snap-fit manner, so that the installation efficiency and the connection stability of the lapping device during use can be improved.

According to an embodiment of the present application, the connecting member 3 includes a rotating portion 302, the rotating shaft 8 is assembled between the rotating portion 302 and the operating lever 4, and the rotating portion 302 can rotate relative to the operating lever 4 through the rotating shaft 8.

Preferably, the cross section of the rotating portion 302 is configured to be an arc-shaped structure, and when in use, a person skilled in the art can adjust the circular angle, i.e. the arc-shaped circumference, of the arc-shaped rotating portion 302, and during the lapping process, the operating rod 4 can swing in the arc-shaped rotating portion 302 with a set central angle.

Preferably, the cross section of the rotating portion 302 may be triangular, and the angle of the relative rotation between the operating lever 4 and the rotating portion 302 may be further defined by the side of the straight line of the rotating portion 302. The area of the opposite grinding is further convenient to adjust, and the universality of use is enhanced.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A lapping operation device is characterized by comprising a base (1), a supporting seat (2), a connecting piece (3) and an operating rod (4);

one end of the supporting seat (2) is rotatably connected to the base (1);

the other end of the supporting seat (2) supports the operating rod (4) in a limiting manner;

one end of the operating rod (4) is rotatably connected to the connecting piece (3);

the connecting piece (3) is provided with a connecting part (301), and the connecting part (301) is used for connecting a device (300) to be lapped;

the connecting piece (3) and the device (300) to be ground are driven to be ground through the swinging action of the operating rod (4);

the supporting seat (2) comprises a rotating piece (201), the rotating piece (201) is supported on the operating rod (4), and the operating rod (4) can change the spacing distance between the connecting piece (3) and the supporting seat (2) through the rotating piece (201).

2. The lapping operator of claim 1, wherein the support base (2) comprises a rotary base (202), the rotary base (202) being rotatably coupled to the base (1), the rotary member (201) being rotatably mounted to the rotary base (202).

3. The lapping operation device of claim 1, wherein the supporting base (2) comprises a limiting clamp (203), and the operating rod (4) is limited and fixed in the limiting clamp (203).

4. The lapping operation device of claim 1, wherein an adjusting lever (5) is disposed between the supporting base (2) and the base (1), the adjusting lever (5) is rotatably mounted on the base (1), and the supporting base (2) can drive the operating lever (4) to swing on a horizontal plane by the rotation of the adjusting lever (5).

5. The lapping operator of claim 4, wherein a limit stop (6) is included between the adjusting lever (5) and the base (1), the limit stop (6) defining the axial separation distance of the adjusting lever (5) from the base (1).

6. The lapping operator of claim 4, wherein a bearing member (7) is included between the adjusting lever (5) and the base (1), and the adjusting lever (5) is rotatable relative to the base (1) via the bearing member (7).

7. The lapping operator of claim 4, wherein the base (1) comprises a post (101), the post (101) comprises a receptacle (102), and the adjustment lever (5) is rotatably fitted in the receptacle (102).

8. The lapping operation device of claim 7, wherein the base (1) comprises a base plate (103), a plurality of reinforcing ribs (104) are arranged between the upright (101) and the base plate (102), and the plurality of reinforcing ribs (104) are spaced apart from the upright (101) and the base plate (102).

9. The lapping operator of claim 1, wherein a pivot (8) is provided between the link (3) and the operating lever (4), and the link (3) and the operating lever (4) are swingable in a horizontal plane via the pivot (8).

10. The working arrangement of claim 9, characterized in that the operating lever (4) is provided with a plug-in part (401), and the connecting piece (3) can be snap-fitted to the plug-in part (401) by means of the rotary shaft (8).

11. The lapping operator of claim 9, wherein the connecting member (3) comprises a rotary portion (302), the rotary shaft (8) being fitted between the rotary portion (302) and the operating lever (4), the rotary portion (302) being rotatable relative to the operating lever (4) via the rotary shaft (8).

12. The lapping manipulator of claim 11, wherein the rotating portion (302) is arcuate or triangular in cross-section.

13. A lapping apparatus comprising the lapping working device of any one of claims 1-12.