CN210909418U

CN210909418U - Concrete layering grinder

Info

Publication number: CN210909418U
Application number: CN201921379354.6U
Authority: CN
Inventors: 于文礼; 潘昊; 盖梅香; 何长龙; 王桂敏; 王军; 林慧明
Original assignee: Qingdao Hailutong Engineering Quality Inspection Co ltd; China State Construction Port Engineering Group Co Ltd
Current assignee: Qingdao Hailutong Engineering Quality Inspection Co ltd; China State Construction Port Engineering Group Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-07-03
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a concrete layered grinding device, which comprises a grinding table, a main grinding device and an auxiliary grinding device; the grinding table comprises a base, a fixed chuck and a collecting box, wherein the fixed chuck is rotatably connected to the base, a rotating shaft of the fixed chuck is horizontally arranged, and the collecting box is arranged right below a clamping end of the fixed chuck; the main grinding device is arranged on one side of the clamping end of the fixed chuck and comprises a movable rail and a main grinding machine, and the main grinding machine is arranged on the movable rail and is close to or far away from the fixed chuck along the movable rail; the auxiliary grinding device is arranged on one side of the fixed chuck and comprises a vertical rail, a sliding base and a forming grinding machine, and the forming grinding machine is connected to the vertical rail in a sliding mode through the sliding base. The device can realize high-precision concrete sample core layered grinding, and ensure the accuracy of subsequent experimental data; the utility model is simple in operation, easily measure.

Description

Concrete layering grinder

Technical Field

The utility model relates to a flooding experiment field, more specifically relates to a concrete layering grinder.

Background

Concrete as a building material is being applied to various projects and buildings on a large scale, and the concrete can be subjected to different erosion and damage in different regions and climatic environments. Silane, as an effective concrete protective material, can provide long-lasting protection for concrete. The protective layer formed by silane on the concrete surface layer can effectively prevent water and chloride ions from invading, so that the reinforcing steel bar is prevented from being corroded; the occurrence of concrete carbonization can be prevented; meanwhile, the damage of the concrete caused by freezing and thawing can be greatly reduced.

After spraying the silane, the depth of the impregnation needs to be analyzed by thermal cracking gas chromatography in order to grasp the spraying quality. During sampling, the end face of the cylindrical core is ground by a grinder to collect the sample, and then the concentration is measured to determine the depth of the impregnation. The best sampling mode is that the end face of the vertical sample core is ground, the ground diameter is gradually reduced along with the increase of the grinding depth, the diameter is determined by a vernier caliper, the depth is divided into a plurality of layers, the depth of each layer is 1mm, the mode is complex to operate, the precision is low, and the mode is difficult to measure whether the depth of each layer reaches the standard or not and also difficult to measure the size of the diameter of each layer.

Therefore, a new concrete layered grinding device is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete layering grinds new technical scheme.

According to a first aspect of the present invention, there is provided a concrete layered grinding apparatus, comprising a grinding table, a main grinding apparatus and an auxiliary grinding apparatus; the grinding table comprises a base, a fixed chuck and a collecting box, wherein the fixed chuck is rotationally connected to the base, a rotating shaft of the fixed chuck is horizontally arranged, and the collecting box is arranged right below a clamping end of the fixed chuck; the main grinding device is arranged on one side of the clamping end of the fixed chuck and comprises a movable rail and a main grinding machine, and the main grinding machine is arranged on the movable rail and is close to or far away from the fixed chuck along the movable rail; vice grinder set up in fixed chuck one side, vice grinder includes vertical rail, sliding bottom and shaping and grinds the machine, the shaping is ground the machine and is passed through sliding bottom sliding connection to on the vertical rail, the shaping is ground the machine and is used for grinding appearance core one end into inversion round platform shape.

Through this scheme, the round platform shape of utilizing vice grinder to grind the sample end of appearance core for invering, reduces along sample direction diameter gradually promptly, and the grinding degree of depth is convenient for measure and observe to when many with appearance core repeated sampling, the repeatability is high.

Preferably, the moving rail includes an axial rail and a radial rail, the axial rail is fixed on the base, the axial rail and the rotating shaft of the fixing chuck are located on the same vertical plane, the radial rail is horizontally disposed on the axial rail, the radial rail and the axial rail are disposed perpendicular to each other, and the main grinder is disposed on the radial rail; the radial rail moves along the axial rail under the driving of the first lead screw; the main grinder moves along a radial rail under the drive of the second lead screw.

According to the scheme, the radial rails are utilized to drive the side face of the main grinding machine to feed and grind, so that the influence on the feeding precision due to the displacement of fine gaps between machines under pressure when feeding vertical to the end face is prevented; meanwhile, the error of grinding head end surface abrasion during front feed is avoided, the grinding precision is further improved, and the accuracy of the experiment is ensured.

Preferably, the rotation axis of the profile grinder is perpendicular to the rotation axis of the fixing chuck; the outer end face of a grinding head of the forming grinder is provided with a conical concave hole; the bottom surface of the conical concave hole is the outer end surface of the grinding head.

Through this scheme, realize the grinding to the appearance core under the circumstances that does not interfere main grinder operation, this grinding mode and grinding head's design can be favorable to guaranteeing the compact of this device, reduces whole volume.

Preferably, a horizontal third lead screw is arranged on the sliding base, and the forming grinder is driven by the third lead screw to be close to or far away from the fixed chuck.

Through this scheme, carry out horizontal fine setting to the shaping grinding machine, make this device can realize carrying out the grinding to the appearance core of multiple specification.

Preferably, a transparent cover casing is covered on the grinding table, and an operation window is reserved at the bottom of the transparent cover casing.

By the scheme, dust generated by grinding is prevented from influencing the laboratory environment; meanwhile, the sampling precision is prevented from being influenced by external dust.

Preferably, a tool setting mechanism is further arranged on the grinding table, and comprises a laser head, a fixed rod and a transverse moving rail; the bottom end of the fixed rod is connected with the transverse moving rail; the laser head is arranged on the fixing rod, and the emitted laser is perpendicular to the axial rail.

Through this scheme, the light that utilizes the laser head to send guarantees that the bistrique of shaping grinding machine and the terminal surface of appearance core are in on the same plane.

Preferably, the laser head with the dead lever is rotated and is connected, the connection pivot level setting of laser head.

Through this scheme, make the laser head can carry out angle modulation on the perpendicular.

Preferably, a vibration slide way is arranged between the clamping end of the fixed chuck and the collecting box; the vibration slideway is in a funnel shape, and a vibration motor is arranged on the peripheral surface of the outer side of the vibration slideway.

Through this scheme, guarantee that the sample that grinds down all falls into as far as possible and collect the box, prevent that the air flow that equipment operation produced from blowing away the sample, cause the inaccuracy of experimental data.

According to the utility model discloses a second aspect provides a concrete layering grinding method, includes following step:

fixing a sample core: clamping the sample core on a fixing chuck;

adjusting parameters: adjusting the secondary grinding device according to the sampling radius of each layer and the total axial sampling depth;

grinding and forming: starting the auxiliary grinding device to grind the sample core, and simultaneously rotating the fixed chuck until one end of the sample core becomes a required sampling shape;

grinding and sampling: and (4) according to the sampling depth of each layer, moving the main grinding device to grind and sample the ground sample core.

Preferably, the step of grinding and sampling further comprises:

moving the main grinding device to one side of the sample core in parallel to the axial direction of the sample core according to the sampling depth of each layer;

and starting the main grinding device, moving the main grinding device along the radial direction of the sample core, and starting grinding and sampling.

According to one embodiment of the disclosure, the device or the method can realize high-precision concrete sample core layered grinding, and ensure the accuracy of subsequent experimental data; the utility model is simple in operation, easily measure.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

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

Fig. 1 is a schematic front view of a concrete layered grinding device according to a first embodiment of the present invention.

Fig. 2 is a schematic side view of the concrete layered grinding apparatus of fig. 1.

Fig. 3 is a schematic top view of the concrete layered grinding apparatus of fig. 1.

Fig. 4 is a schematic top view showing a positional structure of a grinding head and a sample core of the profile grinding machine in the concrete layered grinding apparatus of fig. 1.

Fig. 5 is a schematic front view of a position of a tool setting mechanism in the concrete layered grinding apparatus according to the second embodiment of the present invention.

FIG. 6 is a schematic side view of the position of the knife setting mechanism in the concrete layered grinding apparatus of FIG. 5.

Fig. 7 is a schematic structural diagram of a position of a vibration slide in the concrete layered grinding apparatus according to the second embodiment of the present invention.

Fig. 8 is a flow chart of a concrete layered grinding method according to a third embodiment of the present invention.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Example one

The concrete layered grinding apparatus shown in fig. 1 to 4 includes a grinding table 1100, a main grinding apparatus 1200, and a sub-grinding apparatus 1300; the polishing table 1100 includes a base 1110, a fixed chuck 1120, and a collection box 1130, wherein the fixed chuck 1120 is rotatably connected to the base 1110, a rotation shaft of the fixed chuck 1120 is horizontally disposed, and the collection box 1130 is disposed right below a clamping end of the fixed chuck 1120, the fixed chuck 1120 in this embodiment is, for example, a three-jaw chuck, and can clamp a cylinder sample core by using three clamping jaws, and the clamping end of the fixed chuck 1120 is an end where the three jaws are located; the main grinding apparatus 1200 is disposed at a clamping end side of the fixed chuck 1120, the main grinding apparatus 1200 includes a moving rail 1220 and a main grinder 1210, the main grinder 1210 is disposed on the moving rail 1220 and is close to or far from the fixed chuck 1120 along the moving rail 1220; the sub-grinding device 1300 is disposed at one side of the fixing chuck 1120, the sub-grinding device 1300 includes a vertical rail 1310, a sliding base 1330, and a molding grinder 1320, the molding grinder 1320 is slidably coupled to the vertical rail 1310 through the sliding base 1330, and the molding grinder 1320 is used to grind one end of the sample core 2000 into an inverted circular truncated cone shape.

According to the scheme of the embodiment, the sampling end of the sample core 2000 is ground into an inverted circular truncated cone shape by the auxiliary grinding device 1300, namely the diameter is gradually reduced along the sampling direction, and the grinding depth is convenient to measure and observe; because the sampling end of the sample core 2000 is in the shape of an inverted circular truncated cone, a grinding head with a smaller diameter does not need to be replaced when each layer of samples is sampled, the sampling time is saved, the position error after the grinding head is replaced is avoided, and the sampling precision is further improved.

The fixing chuck 1120 in this embodiment can rotate around the axis, and the rotation axis thereof is aligned with the axis of the sample core 2000; the rotation can be driven manually or electrically; a positioning device (not shown) is further provided to fix the angle of the fixing chuck 1120 and prevent it from rotating during grinding, for example, a positioning pin, which has a plurality of positioning holes on its circumferential surface or inner end surface, the positioning pin is slidably connected to the grinding table 1100, and the angle of the fixing chuck can be positioned by inserting the positioning pin into the positioning holes; the positioning device may also be an electromagnetic positioning device, and use an electromagnet to attract the fixed chuck 1120 to prevent it from rotating.

In this embodiment or other embodiments, the movable rail 1220 includes an axial rail 1221 and a radial rail 1222, the axial rail 1221 is fixed on the base 1110, the axial rail 1221 and the rotation axis of the fixing chuck 1120 are located on the same vertical plane, the radial rail 1222 is horizontally disposed on the axial rail 1221, the radial rail 1222 and the axial rail 1221 are vertically disposed, and the main grinder 1210 is disposed on the radial rail 1222; the radial rail 1222 is driven by a first lead screw (not shown in the figure) to move along the axial rail 1221; the primary grinder 1210 is moved along a radial rail 1222 by a second lead screw (not shown). The radial rails 1222 are used for driving the side face of the main grinder 1210 to feed and grind, so that the feeding precision is prevented from being influenced by the displacement generated by the fine gap between machines under pressure when feeding vertical to the end face; meanwhile, the error of abrasion of the grinding end face during front feed is avoided, the grinding precision is further improved, and the accuracy of the experiment is ensured. The radial rail 1222 and the axial rail 1221 both use a lead screw as a transmission mechanism, such as a first lead screw and a second lead screw in this embodiment, and the rotation of the lead screw may be manual or driven by a servo motor or a stepping motor.

In this or other embodiments, the rotation axis of the form grinder 1320 is horizontally disposed and perpendicular to the rotation axis of the fixing chuck 1120; as shown in fig. 4, the outer end face of the grinding head 1321 of the form grinder 1320 is provided with a tapered concave hole; the bottom surface of the conical concave hole is the outer end surface of the grinding head. The sample core 2000 is ground without interfering the operation of the main grinding device 1200, and the grinding mode and the design of the grinding head 1321 can be beneficial to ensuring the compactness of the device and reducing the whole volume. If the rotational axis of the form grinder 1320 is arranged in parallel with the rotational axis of the fixing chuck 1120, a large space needs to be reserved to ensure that the movement of the main grinder 1210 is not interfered. In addition, the shape of the grinding head 1321 in this embodiment can improve the grinding efficiency of the sample core 2000, that is, the sample core 2000 is formed by grinding once, for example, when the sample cores 2000 with various specifications are ground, only the grinding head 1321 with the corresponding specification needs to be replaced, and the angle of the forming grinder 1320 does not need to be adjusted.

In other embodiments, the rotation axis of the forming grinder 1320 is disposed at an angle to the axis of the sample core 2000, and the angle is adjustable, so that the same grinding head 1321 can be used for grinding different sampling forms, and the cost is further saved. The side of the grinding head 1321 in this mode can be stepped, the height of each layer of step is equal to the depth of each layer of sampling, after grinding is completed, the sampling end of the sample core 2000 is formed by a multi-stage cylinder, one layer of step is ground in each sampling, and the sampling precision can be observed and guaranteed more conveniently.

In this embodiment or other embodiments, a horizontal third lead screw 1331 is provided on the sliding base 1330, and the profile grinding machine 1320 is driven by the third lead screw 1331 to approach or separate from the fixed chuck 1120. In other embodiments, the slide base 1330 may include two horizontally disposed screws (a first screw and a second screw) perpendicular to each other, enabling radial distance adjustment, as well as axial position adjustment. For example, the bottom fixing base is slidably connected to the vertical rail 1310, the first screw is threadedly connected to the bottom fixing base, and the first screw is fixed to the middle fixing base; the second screw rod is connected to the middle fixed seat in a threaded manner and is fixed to the top layer fixed seat; the form grinder 1320 is secured to the top layer holder. The rotation of the first and second screws drives the fine adjustment movement of the forming grinder 1320.

In this or other embodiments, the polishing table 1100 is covered by a transparent casing (not shown), and an operation window is reserved at the bottom of the transparent casing. Dust generated by grinding is prevented from influencing the laboratory environment; meanwhile, the sampling precision is prevented from being influenced by external dust. The transparent cover casing is made of organic glass or other transparent materials, if the transparent cover casing is operated manually, a strip-shaped hole is formed in the bottom of the transparent cover casing according to the moving direction of the radial rail 1230, a first operation hole is formed in the end portion, close to the outer side, of the axial rail 1220, and a second operation hole (shown in the figure) is formed in the top of the vertical rail 1320.

Example two

As shown in fig. 5 and fig. 6, in the concrete layered grinding apparatus of this embodiment, on the basis of the above embodiments, in order to achieve the versatility of the apparatus for sample cores of various specifications and the accuracy of the apparatus in mounting the sample cores, a tool setting mechanism 1150 is further disposed on the grinding table 1100, and the tool setting mechanism 1150 includes a laser head 1151, a fixing rod 1152 and a transverse moving rail (not shown in the figure); the bottom end of the fixed rod 1152 is connected with the transverse moving rail; laser head 1151 sets up on dead lever 1152, the laser that sends with axial rail 1220 is perpendicular. The light emitted by the laser head 1151 ensures that the grinding head of the forming grinder and the end face of the sample core 2000 are on the same plane. When the laser grinding head is used, laser is irradiated towards the end face of the sample core 2000 and is positioned on the same plane with the end face, namely the laser head 1151 is adjusted to form a complete straight line with uniform thickness on the end face, the grinding head 1321 of the forming grinding machine 1320 is adjusted to enable the laser to be photoelectrically irradiated to the central position of the grinding head 1321 or be positioned at one side of the sample core 2000 with the center deviated to avoid that the center of the grinding head 1321 is positioned on the peripheral surface of the sample core when grinding is caused by visual errors, so that an inverted circular truncated cone shape cannot be formed.

In this embodiment or other embodiments, the laser head 1151 is rotatably connected to the fixing rod 1152, and the rotating shaft is horizontally disposed. Enabling laser head 1151 to be angularly adjusted in a vertical plane.

In this or other embodiments, as shown in fig. 7, a vibration slide 1140 is disposed between the holding end of the fixing chuck 1120 and the collecting box 1130; the vibration slide 1140 is shaped like a funnel, and a vibration motor 1141 is disposed on the outer circumferential surface thereof. Guarantee that the sample that grinds down all falls into collection box 1130 as far as possible, prevent that the air flow that equipment operation produced from blows away the sample, causes the inaccuracy of experimental data. The vibration slideway 1140 is made of stainless steel or other materials with smooth surfaces, and is fixedly or elastically connected to the grinding table 1100, the upper end and the lower end of the vibration slideway are both provided with openings, and the vibration motor 1141 is arranged outside the vibration slideway 1140 and starts to vibrate after grinding is started.

When the concrete layered grinding device in the embodiment is used, the sample core 2000 is clamped on the fixed chuck 1120, the laser head 1151 is started, and the auxiliary grinding device 1300 is adjusted to reach the corresponding working position; starting a forming motor 1320, moving the forming motor down to the sample core 2000 along the vertical rail 1310, and grinding; slowly rotating the fixing chuck 1120 to enable the grinding head 1321 of the forming motor 1320 to grind the sample core 2000 for one or more circles until the sampling end of the sample core 2000 forms an inverted circular truncated cone shape; locking the angular fixing of the fixing chuck 1120; moving the secondary grinding apparatus 1300 to a non-working area, moving the primary grinder 1210 along the radial rails 1222 to a position offset from the sample core 2000, and then adjusting the axial rails 1221 to move the grinding head of the primary grinder 1210 to a position at a first layer of grinding depth; the main grinder 1210 is activated and moved along the radial rails 1222 until the first layer of cores 2000 is ground, the collection box 1130 is removed, and the next layer of grinding is continued.

According to the embodiment, the device can realize high-precision concrete sample core layered grinding, and ensure the accuracy of subsequent experimental data; the device is simple to operate and easy to measure; it can to be convenient for reform transform current grinder, increase vice grinder and radial rail promptly.

EXAMPLE III

As shown in fig. 8, the concrete layered grinding method in this embodiment mainly includes the following steps:

fixing a sample core: clamping the sample core on a fixing chuck;

Wherein: in the parameter adjusting step, grinding heads of different specifications are selected according to the sampling radius and the total sampling depth of each layer, or the angle of the auxiliary grinding device is adjusted, and then the auxiliary grinding device is adjusted to a required position, for example, the sampling radius of each layer is gradually reduced along with the sampling depth in the embodiment, so that one end of the sample core can be ground into an inverted circular truncated cone shape, the height of the circular truncated cone is equal to the total sampling depth, and the slope of a side surface bus of the circular truncated cone is calculated according to the change of the sampling radius of each layer, so that the grinding heads of different specifications are selected, or the auxiliary grinding device is adjusted to the angle. To ensure the accuracy of the height, the tool setting mechanism in the second embodiment may be adopted to adjust the position of the secondary grinding device or to exchange the corresponding grinding head or to change the clamping position of the sample core.

In the grinding and forming step, after the auxiliary grinding device is started, the cutter feeding starts to grind the sample core, and the fixed chuck is rotated for at least one circle at the same time, so that the peripheral surface of the sample core is ground, and the circular truncated cone shape required in the previous step is formed.

In the grinding and sampling step, according to the sampling thickness of each time, the bottom surface of the circular truncated cone is subjected to feed grinding in sequence, and the diameter of the circular truncated cone is reduced from the bottom surface to the top surface in sequence, so that the original sampling requirement of gradually reducing the grinding diameter along with the increase of the grinding depth can be met without replacing a grinding sheet with a smaller diameter; in addition, drilling is not needed in the sampling process, observation and measurement can be visually carried out, the step that measurement is carried out after tool retracting is needed in the traditional drilling sampling process is avoided, the sampling efficiency is improved, the precision error in the process of tool retracting and tool re-feeding is avoided, and therefore the sampling precision is improved.

In this or other embodiments, the step of grinding and sampling further comprises:

The step is side feed grinding, which prevents the feed precision from being influenced by the displacement generated by the fine gap between machines under pressure when feeding the cutter perpendicular to the end surface; meanwhile, the error of end surface abrasion of the grinding head during front feed is avoided, the grinding precision is further improved, and the sampling accuracy is ensured.

In this step, for example, using the concrete layering grinding device in the first embodiment, the radial rail and the main grinder are first moved to the end face of the core by the axial rail, and the initial position is determined; then the radial rail drives the main grinding machine to move leftwards or rightwards to one side of the end face of the sample core, the axial rail continues to advance towards the sample core for a certain distance, the distance is the sampling depth of each layer, and the axial rail is locked; and starting the main grinding machine, controlling the main grinding machine to move along a radial rail to feed the main grinding machine from the side surface of the sample core, wherein the feed direction is parallel to the end surface of the sample core until the grinding head of the main grinding machine is completely separated from the contact with the sample core, and finishing the first layer of sampling. The grinding and sampling under the method mainly utilizes the side circumference of the grinding head to carry out grinding and sampling, so that the abrasion of the end surface of the grinding head can be greatly reduced, the feed precision during sampling of each layer is further improved, the abrasion of the side circumference of the grinding head cannot influence the grinding depth of each layer, and the sampling precision can be further improved.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The concrete layered grinding device is characterized by comprising a grinding table (1100), a main grinding device (1200) and a secondary grinding device (1300);

the grinding table comprises a base (1110), a fixed chuck (1120) and a collection box (1130), wherein the fixed chuck (1120) is rotatably connected to the base (1110), the rotating shaft of the fixed chuck (1120) is horizontally arranged, and the collection box (1130) is arranged right below the clamping end of the fixed chuck (1120);

the main grinding apparatus (1200) is disposed at a clamping end side of the fixed chuck (1120), the main grinding apparatus (1200) includes a moving rail (1220) and a main grinder (1210), the main grinder (1210) is disposed on the moving rail (1220) and approaches or departs from the fixed chuck (1120) along the moving rail (1220);

the auxiliary grinding device (1300) is disposed at one side of the fixing chuck (1120), the auxiliary grinding device (1300) comprises a vertical rail (1310), a sliding base (1330), and a forming grinder (1320), the forming grinder (1320) is slidably connected to the vertical rail (1310) through the sliding base (1330), and the forming grinder (1320) is used for grinding one end of the sample core (2000) into an inverted circular truncated cone shape.

2. The layered grinding apparatus as claimed in claim 1, characterized in that the moving rail (1220) comprises an axial rail (1221) and a radial rail (1222), the axial rail (1221) is fixed to the base (1110), the axial rail (1221) is located on the same vertical plane as the rotation axis of the fixed chuck (1120), the radial rail (1222) is horizontally disposed on the axial rail (1221), the radial rail (1222) is vertically disposed with respect to the axial rail (1221), and the main grinding machine (1210) is disposed on the radial rail (1222); the radial rail (1222) moves along the axial rail (1221) under the driving of the first lead screw; the main grinder (1210) is moved along a radial rail (1222) by a second lead screw.

3. The layered grinding apparatus of claim 1, wherein the rotation axis of the profile grinder (1320) is perpendicular to the rotation axis of the fixed chuck (1120); the outer end face of a grinding head (1321) of the forming grinding machine (1320) is provided with a conical concave hole; the bottom surface of the conical concave hole is the outer end surface of the grinding head (1321).

4. The layered grinding apparatus as claimed in claim 3, wherein the sliding base (1330) is provided with a horizontal third lead screw (1331), and the profile grinding machine (1320) is driven by the third lead screw (1331) to approach or separate from the fixed chuck (1120).

5. The layered grinding apparatus of claim 2, wherein the grinding table (1100) further comprises a tool setting mechanism (1150), the tool setting mechanism (1150) is disposed at one side of the fixed chuck (1120), the tool setting mechanism (1150) comprises a laser head (1151), a fixed bar (1152), and a transverse moving rail; the bottom end of the fixed rod (1152) is connected with the transverse moving rail; the laser head (1151) is arranged on the fixing rod (1152), and the emitted laser is perpendicular to the axial rail (1221).

6. The layered grinding apparatus as defined in claim 5, wherein said laser head (1151) is rotatably connected to said fixed bar (1152), and a connection rotation shaft of said laser head (1151) is horizontally disposed.

7. The layered grinding apparatus as claimed in claim 1, wherein a vibration slide (1140) is provided between a holding end of the fixing chuck (1120) and the collection box (1130); the vibration slide way (1140) is in a funnel shape, and a vibration motor (1141) is arranged on the peripheral surface of the outer side of the vibration slide way.