CN116276660A - A CNC grinding machine - Google Patents

Abstract

The invention discloses a numerical control grinding machine, which comprises a grinding machine body, wherein a filter cavity is arranged in the grinding machine body, a liquid collecting tank is arranged at the inner top of the filter cavity, a reticular plate is horizontally arranged in the filter cavity, a rectangular filter cartridge is arranged above the reticular plate, a plurality of rollers are arranged at the lower end of the rectangular filter cartridge, and the lower ends of the rollers are contacted with the upper end of the reticular plate; rectangular grooves are formed in the upper ends of the rectangular filter cartridges, annular cavities are formed in the rectangular filter cartridges and are communicated with the rectangular grooves through a plurality of fine holes, and bottoms in the annular cavities are communicated with the filter cavities through liquid falling ports. The grinding machine adopts a centrifugal separation mode, can completely separate cooling liquid on scraps, avoids the waste of the cooling liquid, and is also provided with a scraps removing mechanism, so that scraps can be removed conveniently, and the operation of staff is facilitated.

Description

A CNC grinding machine

technical field

The invention relates to the field of numerically controlled grinding machines, in particular to a numerically controlled grinding machine.

Background technique

CNC grinding machine is a machine tool that uses abrasive tools to grind the surface of workpieces through numerical control technology. Most grinders use high-speed rotating grinding wheels for grinding, and a few use other abrasive tools such as oil stones, abrasive belts, and free abrasives. Processing, the current CNC grinding machine is generally used together with the grinding coolant during use;

In the existing device, in order to re-use the grinding coolant, a filter is generally installed to filter the used coolant to remove debris in the coolant, but only the filter is used for filtering, so that Part of the coolant will adhere to the debris, resulting in a waste of coolant. In addition, to filter through the filter, the filter needs to be cleaned manually on a regular basis to ensure the subsequent filtering effect, which is obviously more troublesome. So how to solve these problems is what we need to consider.

Contents of the invention

The object of the present invention is to solve the shortcomings in the prior art, and propose a numerically controlled grinding machine, which adopts a centrifugal separation method, which can completely separate the coolant on the debris, avoiding the waste of coolant, In addition, a debris removal mechanism is also provided, which can remove debris more conveniently and facilitate the operation of the staff.

In order to achieve the above object, the present invention adopts the following technical solutions:

A numerically controlled grinder, comprising a grinder body, a filter cavity is arranged in the grinder body, a liquid collection tank is opened on the inner top of the filter cavity, a mesh plate is horizontally arranged in the filter cavity, and a mesh plate is arranged horizontally in the filter cavity. A rectangular filter cartridge is arranged above, and a plurality of rollers are installed on the lower end of the rectangular filter cartridge, and the lower ends of the plurality of rollers are all in contact with the upper end of the mesh plate; the upper end of the rectangular filter cartridge is provided with a rectangular groove, and the The rectangular filter cylinder is provided with an annular cavity and the rectangular groove communicates through a plurality of pores, and the bottom of the annular cavity communicates with the filter cavity through the liquid outlet; the rectangular groove and the outside of the rectangular filter cylinder are jointly provided with a chip mechanism; two rectangular cavities are symmetrically arranged in the rectangular filter cartridge, and a blast vibration mechanism is arranged in the two rectangular cavities, and the blast vibration mechanism is used to improve the comprehensiveness of chip removal; the rectangular There are two L-shaped cavities symmetrically arranged in the filter cartridge, each of which is composed of a horizontal cavity and a vertical cavity, each of the liquid outlets runs through the corresponding horizontal cavity, and each of the L-shaped cavities is An adjustment mechanism is provided.

Preferably, a motor is installed on the upper end of the mesh plate, a fixed block is embedded in the middle of the mesh plate, and a rotating rod is vertically penetrated on the fixed block, and the rotating rod and the fixed block are rotatably connected through bearings , the end of the output shaft of the motor runs through the mesh plate, the end of the output shaft of the motor is connected to the rotating rod through a transmission structure, the inner bottom of the rectangular groove is provided with a mounting groove, and the upper end of the rotating rod runs through the mounting groove , and extend into the rectangular groove, the rotating rod is located in the installation groove and a one-way bearing is installed, and the outer side of the one-way bearing is fixedly connected with the inner wall of the installation groove.

Preferably, the chip removal mechanism includes a rectangular plate slidingly connected in a rectangular groove, the upper end of the rotating rod is fixedly connected with a threaded rod, and the threaded rod passes through the rectangular plate and is threadedly connected with the rectangular plate, and the rectangular plate The upper end of the middle part is fixedly connected with a sleeve, the threaded rod is located in the middle of the sleeve, the inner walls of the left and right sides of the rectangular filter cartridge are fixedly connected with a placement plate, and the outer side of the rectangular filter cartridge is provided with a ring-shaped collection box , the lower end of the ring-shaped collection box is in contact with the upper end of the placement plate.

Preferably, the blowing vibration mechanism includes lightweight sliding plates respectively slidably connected in corresponding rectangular cavities, the lower end of each of the lightweight sliding plates is elastically connected to the inner bottom of the corresponding rectangular cavity through a first spring, each The upper ends of each of the lightweight sliding plates are fixedly connected with impact balls, the head space of each rectangular cavity communicates with the filter cavity through the air inlet pipe, and the head space of each rectangular cavity communicates with the filter cavity through the air outlet pipe. The annular cavity is connected, and a one-way valve is installed in each of the air inlet pipe and the air outlet pipe. The rotating rod is located on the left side wall of the lower part of the rectangular filter cartridge and is fixedly connected with a magnetic strip. Each of the light weight The lower end faces of the sliding plates are all provided with iron layers.

Preferably, the adjustment mechanism includes a first sliding bar slidably connected in the horizontal cavity, and a port is vertically penetrating through the first sliding bar, and the port is matched with the liquid outlet, and the vertical cavity A second sliding bar is slidably connected, the lower end of the second sliding bar is elastically connected to the inner bottom of the vertical cavity through the second spring, and the upper end of the second sliding bar extends into the rectangular groove and contacts the lower end of the rectangular plate .

Preferably, the transmission structure includes pulleys respectively installed at the end of the output shaft of the motor and the lower end of the rotating rod, and the two pulleys are connected through a belt drive.

Compared with the prior art, the present invention has the beneficial effects of:

1. The motor rotates in the forward direction. The motor drives the rotating rod to rotate through the transmission structure. The rotating rod will rotate with the rectangular filter cartridge. At the same time, the internal rectangular plate and threaded rod will also rotate synchronously, so the threaded rod at this time rotates. It will not drive the rectangular plate to rotate, but with the rotation of the rectangular filter cylinder, under the action of centrifugal force, the coolant that is tightly attached to the debris will rotate away from the middle of the rectangular filter cylinder, and finally enter the ring through multiple fine holes. In the cavity, it is discharged from multiple liquid outlets. Compared with the prior art, this solution can remove the cooling liquid attached to the debris, reducing the waste of cooling liquid.

2. Start the reverse rotation of the motor, the reverse rotation of the motor can make the rectangular plate move up slowly, and at the same time, the rectangular filter cartridge will vibrate continuously, so that some debris stuck in the pores can be separated from the pores In addition, the annular cavity will continue to pass through, and the exhaust gas will be discharged through multiple pores, giving some debris a force away from the annular cavity, and combined with the vibration of the rectangular filter cartridge, it can further improve the removal of debris from the pores. The effect of separation ensures a more comprehensive removal of subsequent debris; when the rectangular plate moves to the limit position, the debris will slide down the upper surface of the rectangular plate into the ring-shaped collection box, and the debris will be collected intensively. The subsequent processing is convenient, and compared with the prior art, the operation of the staff is further facilitated.

Description of drawings

Fig. 1 is the structural representation of a kind of numerical control grinding machine that the present invention proposes;

Figure 2 is an enlarged view of A in Figure 1;

Fig. 3 is an enlarged view of B in Fig. 1;

Fig. 4 is an enlarged view at C of Fig. 1;

Fig. 5 is a state diagram of the raised rectangular plate in Fig. 1 .

In the figure: 1 grinder body, 2 liquid collection tank, 3 filter cavity, 4 rectangular filter cartridge, 5 rectangular groove, 6 annular cavity, 7 placement plate, 8 annular collection box, 9 mesh plate, 10 motor, 11 sets Barrel, 12 transmission structure, 13 rotating rod, 14L-shaped cavity, 15 first slide bar, 16 port, 17 rectangular plate, 18 threaded rod, 19 rectangular cavity, 20 magnetic strip, 21 first spring, 22 light sliding plate , 23 air outlet pipes, 24 air inlet pipes, 25 impact balls, 26 one-way bearings, 27 second slide bars, 28 second springs, 29 liquid outlets.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

Referring to Figures 1-5, a numerical control grinding machine includes a grinding machine body 1, a filter chamber 3 is arranged inside the grinder body 1, a liquid collection tank 2 is opened on the inner top of the filter chamber 3, and a mesh plate 9 is horizontally arranged in the filter chamber 3 , the top of the mesh plate 9 is provided with a rectangular filter cartridge 4, and a plurality of rollers are installed on the lower end of the rectangular filter cartridge 4 to ensure the movement stability of the rectangular filter cartridge 4, and the rollers adopt a wheel body with certain damping to ensure that the rotating rod When 13 rotates in the opposite direction, the rectangular plate 17 can be driven up and down, and the lower ends of the plurality of rollers are all in contact with the upper end of the mesh plate 9;

As an embodiment of the present invention, the upper end of the rectangular filter cartridge 4 is provided with a rectangular groove 5, and the rectangular filter cartridge 4 is provided with an annular cavity 6 which communicates with the rectangular groove 5 through a plurality of fine holes, and the bottom of the annular cavity 6 passes through The liquid outlet 29 communicates with the filter chamber 3, and the upper end of the mesh plate 9 is equipped with a motor 10, which is a servo motor capable of changing the direction of rotation. A fixed block is embedded in the middle of the mesh plate 9, and the fixed block is vertically penetrated. There is a rotating rod 13, and the rotating rod 13 is connected to the fixed block through bearings. The end of the output shaft of the motor 10 runs through the mesh plate 9. The end of the output shaft of the motor 10 is connected to the rotating rod 13 through the transmission structure 12. The transmission structure 12 includes The pulley installed at the end of the output shaft of the motor 10 and the lower end of the rotating rod 13, the two pulleys are connected by a belt transmission, the inner bottom of the rectangular groove 5 is provided with a mounting groove, and the upper end of the rotating rod 13 runs through the mounting groove and extends to the rectangular groove 5 Inside, the rotating rod 13 is located in the mounting groove part and is equipped with a one-way bearing 26, and the outer side of the one-way bearing 26 is fixedly connected with the inner wall of the mounting groove. The filter cartridge 4 rotates, and when the motor 10 is started in reverse, the rotation of the rotating rod 13 will not allow the rectangular filter cartridge 4 to rotate;

As an embodiment of the present invention, a chip removal mechanism is jointly arranged in the rectangular groove 5 and the outside of the rectangular filter cartridge 4, and the chip removal mechanism includes a rectangular plate 17 that is slidably connected in the rectangular groove 5, and the upper end of the rectangular plate 17 is upward. arc surface to ensure that the follow-up debris can completely slide off, the upper end of the rotating rod 13 is fixedly connected with a threaded rod 18, the threaded rod 18 runs through the rectangular plate 17, and is threaded with the rectangular plate 17, and the upper end of the middle part of the rectangular plate 17 is fixedly connected with a sleeve The cylinder 11, the threaded rod 18 is located in the middle of the sleeve 11, the left and right inner walls of the rectangular filter cylinder 4 are fixedly connected with the placement plate 7, and the outer side of the rectangular filter cylinder 4 is provided with a ring-shaped collection box 8, which is ring-shaped in the figure The collection box 8 is only shown in the illustration, and its holding volume can be designed according to actual needs. The front side of the filter chamber 3 is also provided with a sealed door, which is convenient for subsequent cleaning of the ring-shaped collection box 8. The lower end of the ring-shaped collection box 8 is connected to the Place the upper end of the plate 7 in contact;

As an embodiment of the present invention, two rectangular cavities 19 are symmetrically arranged in the rectangular filter cartridge 4, and a blower vibration mechanism is arranged in the two rectangular cavities 19, and the blower vibration mechanism is used to improve the comprehensiveness of chip removal. The blower vibration mechanism includes lightweight sliding plates 22 that are respectively slidably connected in the corresponding rectangular cavity 19, and the lower end of each lightweight sliding plate 22 is elastically connected with the inner bottom of the corresponding rectangular cavity 19 by the first spring 21, and each light The upper end of quality sliding plate 22 is all fixedly connected with impact ball 25, and the top space of each rectangular chamber 19 is all communicated with filter cavity 3 through air inlet pipe 24, and the top space of each rectangular chamber 19 is all connected with ring by air outlet pipe 23. Shaped cavity 6 communicates, and check valve is all installed in each air inlet pipe 24 and air outlet pipe 23, and the check valve of air inlet pipe 24 guarantees that gas one-way enters in the rectangular cavity 19, and the gas in outlet pipe 23 The flow direction of the one-way valve is that the rectangular cavity 19 unidirectionally enters the annular cavity 6, and the rotating rod 13 is fixedly connected with a magnetic strip 20 on the left side wall of the lower part of the rectangular filter cartridge 4, and each light sliding plate 22 The lower end faces are provided with iron layers;

As an embodiment of the present invention, two L-shaped cavities 14 are arranged symmetrically in the rectangular filter cartridge 4, and each L-shaped cavity 14 is composed of a horizontal cavity and a vertical cavity, and each liquid outlet 29 runs through the corresponding horizontal cavity Each L-shaped cavity 14 is provided with an adjustment mechanism, the adjustment mechanism includes a first slide bar 15 slidably connected in the horizontal cavity, the first slide bar 15 is vertically provided with a port 16, and the port 16 is connected to the drop The liquid port 29 cooperates, and the second slide bar 27 is slidably connected in the vertical cavity, and the lower end of the second slide bar 27 is elastically connected with the inner bottom of the vertical cavity by the second spring 28, and the upper end of the second slide bar 27 extends to the rectangular groove 5 Inside, and in contact with the lower end of the rectangular plate 17.

In the present invention, the openings 16 of the two first slide bars 15 in the initial state connect the liquid outlet 29, and the second spring 28 is in a compressed state. In the normal process, the used cooling liquid It will pass through the liquid collecting tank 2 and fall into the rectangular groove 5, enter the annular cavity 6 from the multiple pores of the rectangular groove 5, and finally flow from the liquid falling port 29 to the subsequent cooling liquid storage place, forming A cooling liquid filtration and reuse process;

And when it is necessary to remove the debris inside the rectangular groove 5, first start the motor 10 to rotate in the forward direction, and the motor 10 drives the rotating rod 13 to rotate through the transmission structure 12, and the rotating rod 13 can rotate with the rectangular filter cartridge 4, and the internal The rectangular plate 17 and the threaded rod 18 also rotate synchronously, so the rotation of the threaded rod 18 at this time will not drive the rectangular plate 17 to rotate, but with the rotation of the rectangular filter cartridge 4, under the action of centrifugal force, debris will adhere to The relatively compact cooling liquid will rotate away from the middle of the rectangular filter cartridge 4, and finally enter the annular cavity 6 through a plurality of fine holes, and be discharged from a plurality of liquid discharge ports 29. Compared with the prior art, this solution can The coolant attached to the debris is removed, reducing the waste of coolant;

After forward rotation for a period of time, the motor 10 is reversely rotated, and the reverse rotation of the motor 10 will not drive the rectangular filter cartridge 4 to rotate, but the threaded rod 18 will be rotated, and the threaded rod 18 at this time will be opposite to the rectangular plate 17. Rotate, the rectangular plate 17 can be slowly moved up through the action of the screw thread, and the magnetic strip 20 rotates with the rotation of the rotating rod 13. When the magnetic strip 20 rotates to the light sliding plate 22, due to the light sliding The lower end surface of the plate 22 is an iron layer, so the light sliding plate 22 can be moved down and stretched corresponding to the first spring 21, and when the magnetic strip 20 rotates away from the light sliding plate 22, it is pressed by the first spring 21 The elastic action of the light sliding plate 22 will move back, and under the action of inertia, the impact ball 25 is allowed to hit the inner top of the rectangular cavity 19, that is, with the start of the motor 10, the rectangular filter cartridge 4 is constantly vibrated, so that the Some debris stuck in the pores at the corners is separated from the pores;

In addition, the downward movement of the light sliding plate 22 will draw the outside air into the space at the top of the rectangular cavity 19, and the upward movement of the light sliding plate 22 will blow the gas into the annular cavity 6, and at this time due to the rectangular plate 17 moves up, so under the elastic action of the second spring 28, the second slide bar 27 will move up, after it moves up, because the horizontal cavity and the vertical cavity are connected, the gas in the horizontal cavity will be sucked into the The vertical cavity, and the first slide bar 15 moves close to the middle of the rectangular filter cartridge 4 through the action of gas, and finally the port 16 and the liquid outlet 29 are misaligned, so that the liquid outlet 29 is sealed, so the gas enters the ring After entering the cavity 6, it can only be discharged from multiple fine holes, giving some debris a force away from the annular cavity 6, combined with the shaking of the rectangular filter cartridge 4, the effect of separating the debris from the pores can be further improved , to ensure a more comprehensive removal of subsequent debris;

After the rectangular plate 17 moves up to the state shown in Figure 5, the debris will slide down into the ring-shaped collection box 8 along the upper surface of the rectangular plate 17, and the debris will be collected in a centralized manner to facilitate subsequent processing. Compared with the prior art, It further facilitates the operation of the staff. It should be noted that the threaded rod 18 here is a thread similar to a reciprocating screw rod. One-way rotation can realize that the rectangular plate 17 moves up to the maximum height and then moves down to the bottom part. .

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (6)

1. The numerical control grinding machine comprises a grinding machine body (1), and is characterized in that a filter cavity (3) is arranged in the grinding machine body (1), a liquid collecting groove (2) is formed in the inner top of the filter cavity (3), a mesh plate (9) is horizontally arranged in the filter cavity (3), a rectangular filter cylinder (4) is arranged above the mesh plate (9), a plurality of rollers are arranged at the lower end of the rectangular filter cylinder (4), and the lower ends of the rollers are contacted with the upper end of the mesh plate (9);

the upper end of the rectangular filter cartridge (4) is provided with a rectangular groove (5), an annular cavity (6) is arranged in the rectangular filter cartridge (4) and is communicated with the rectangular groove (5) through a plurality of fine holes, and the inner bottom of the annular cavity (6) is communicated with the filter cavity (3) through a liquid falling port (29);

a chip removing mechanism is arranged in the rectangular groove (5) and on the outer side of the rectangular filter cylinder (4) together;

two rectangular cavities (19) are symmetrically arranged in the rectangular filter cartridge (4), and blast vibration mechanisms are commonly arranged in the two rectangular cavities (19) and are used for improving the comprehensiveness of chip removal;

two L-shaped cavities (14) are symmetrically arranged in the rectangular filter cylinder (4), each L-shaped cavity (14) is composed of a transverse cavity and a vertical cavity, each liquid falling port (29) penetrates through the corresponding transverse cavity, and each L-shaped cavity (14) is internally provided with an adjusting mechanism.

2. The numerical control grinding machine according to claim 1, characterized in that a motor (10) is installed at the upper end of the mesh plate (9), a fixed block is embedded in the middle of the mesh plate (9), a rotating rod (13) is vertically arranged on the fixed block in a penetrating mode, the rotating rod (13) is rotationally connected with the fixed block through a bearing, the tail end of an output shaft of the motor (10) penetrates through the mesh plate (9), the tail end of the output shaft of the motor (10) is in transmission connection with the rotating rod (13) through a transmission structure (12), a mounting groove is formed in the inner bottom of the rectangular groove (5), the upper end of the rotating rod (13) penetrates through the mounting groove and extends into the rectangular groove (5), a one-way bearing (26) is arranged on the portion of the mounting groove, and the outer side of the one-way bearing (26) is fixedly connected with the inner wall of the mounting groove.

3. The numerical control grinding machine according to claim 1, characterized in that the chip removing mechanism comprises a rectangular plate (17) which is slidably connected in the rectangular groove (5), a threaded rod (18) is fixedly connected to the upper end of the rotating rod (13), the threaded rod (18) penetrates through the rectangular plate (17) and is in threaded connection with the rectangular plate (17), a sleeve (11) is fixedly connected to the upper end of the middle of the rectangular plate (17), the threaded rod (18) is located in the middle of the sleeve (11), placing plates (7) are fixedly connected to the inner walls of the left side and the right side of the rectangular filter cartridge (4), an annular collecting box (8) is arranged on the outer side of the rectangular filter cartridge (4), and the lower end of the annular collecting box (8) is in contact with the upper end of the placing plates (7).

4. A numerically controlled grinder as claimed in claim 1, wherein said air blast vibration mechanism comprises light sliding plates (22) slidably connected in corresponding rectangular cavities (19), each of said light sliding plates (22) has a lower end elastically connected to an inner bottom of the corresponding rectangular cavity (19) through a first spring (21), each of said light sliding plates (22) has an upper end fixedly connected with an impact ball (25), each of the rectangular cavities (19) has a top space communicated with the filter cavity (3) through an air inlet pipe (24), each of the rectangular cavities (19) has a top space communicated with the annular cavity (6) through an air outlet pipe (23), each of said air inlet pipes (24) and air outlet pipes (23) has a one-way valve mounted therein, each of said rotating rods (13) has a magnetic strip (20) fixedly connected to a left side wall of a lower portion of the rectangular filter cartridge (4), and each of said light sliding plates (22) has a lower end surface provided with a layer of iron.

5. A numerically controlled grinder as claimed in claim 1, wherein the adjustment mechanism comprises a first slide bar (15) slidably connected in the transverse cavity, a through hole (16) is vertically formed in the first slide bar (15), the through hole (16) is matched with the liquid drop hole (29), a second slide bar (27) is slidably connected in the vertical cavity, the lower end of the second slide bar (27) is elastically connected with the inner bottom of the vertical cavity through a second spring (28), and the upper end of the second slide bar (27) extends into the rectangular groove (5) and is in contact with the lower end of the rectangular plate (17).

6. A numerically controlled grinder as claimed in claim 2, wherein said transmission structure (12) comprises pulleys mounted on the end of the output shaft of the motor (10) and on the lower end portion of the rotating rod (13), respectively, both said pulleys being connected by belt transmission.

Images