CN219325090U - Grinding Mechanism of a CNC Lathe - Google Patents

Abstract

The utility model belongs to the technical field of numerically controlled lathes, in particular to a grinding mechanism of a numerically controlled lathe, which aims at the problems that when an existing numerically controlled lathe polishes a target, a clamp plate is a straight plate, so that the existing numerically controlled lathe is inconvenient to fix a round workpiece and cannot be operated in all directions when the workpiece is processed. The utility model has simple operation and convenient use, can adjust the grinding depth, can simultaneously be convenient for carrying out quick fixed installation on round workpieces and materials, can carry out omnibearing grinding, and is convenient for people to use.

Description

Grinding Mechanism of a CNC Lathe

technical field

The utility model relates to the technical field of numerical control lathes, in particular to a grinding mechanism of numerical control lathes.

Background technique

CNC lathe is one of the most widely used CNC machine tools. It is mainly used for cutting the inner and outer cylindrical surfaces of shaft parts or disk parts, the inner and outer conical surfaces of any cone angle, the complex rotary inner and outer curved surfaces, and cylindrical and conical threads. It can perform grooving, drilling, reaming, reaming and boring, etc. The CNC machine tool automatically processes the parts to be processed according to the pre-programmed processing programs. The trajectory, displacement, cutting parameters and auxiliary functions are compiled into a processing program list according to the instruction code and program format specified by the CNC machine tool, and then the contents of the program list are recorded on the control medium, and then input into the CNC device of the CNC machine tool , so as to direct the machine tool to process the parts.

The application number is 202020249179.5, which discloses a grinding mechanism for a CNC lathe, including a clamping structure, a lifting mechanism, a collecting mechanism and a workbench. Clamping structure, the bottom end of the clamping structure is provided with a slider, the inside of the carrier is provided with a chute, the outer wall of the carrier is provided with a reserved hole, and the inside of the reserved hole is flexibly connected There are fixed bolts. The utility model installs a lifting mechanism inside the box body, and controls the operation of the hydraulic cylinder through the control box when in use. The hydraulic cylinder drives the hydraulic lifting and shrinking rod to lift and lift the supporting plate, so that the motor fixed on the supporting plate and one side of the motor The connected fixed rod and the grinding head complete the overall lifting through the notch set in the box, so that the grinding head can choose a fixed height according to the height of the grinding object, and complete the grinding of grinding objects of different shapes, making the applicability of the device more powerful.

When the existing CNC lathe is grinding the target, because its splint is a straight plate, it is not convenient to fix the circular workpiece, and it cannot operate it in all directions when processing the workpiece, so we propose a CNC lathe Grinding mechanism of lathe.

Utility model content

The purpose of this utility model is to solve the problem that when the existing CNC lathe is grinding the target, because its splint is a straight plate, it is inconvenient to fix the circular workpiece, and it cannot be used in all directions when processing the workpiece. The disadvantages of operation, while the grinding mechanism of a CNC lathe is proposed.

In order to achieve the above object, the utility model adopts the following technical solutions:

A grinding mechanism for a numerically controlled lathe, comprising an operating table, a fixed box is fixedly installed on the top of the operating table, a lifting plate is slidably connected to the inner wall of the fixed box, and a cylinder is fixedly installed on the top of the lifting plate. A mounting plate is fixedly mounted on the piston of the cylinder, a second motor is fixedly mounted on the mounting plate, a grinding head is fixedly mounted on the output shaft of the second motor, and a first motor is fixedly mounted on the top of the fixed box. The fixed box is provided with a lifting mechanism, the output shaft of the first motor is connected to the lifting mechanism, the top of the console is rotatably connected to a driven gear, and the top of the driven gear is fixedly mounted with a placement plate. A clamping mechanism is provided on the placement plate, a dust removal box is fixedly installed on the top of the operation table, a blower is arranged inside the dust removal box, a filter plate is installed on the inner wall of the dust removal box, and the bottom of the operation table is fixed. A third motor is installed, the output shaft of the third motor is connected with the driven gear, and a controller is fixedly installed on the top of the fixed box.

Preferably, the lifting mechanism includes four symmetrically arranged screw rods, the four screw rods are rotatably mounted on the inner wall of the fixed box, the output shaft of the first motor is fixedly connected to the corresponding screw rods, and the fixed sleeves on the screw rods are provided with pulleys, and the four screw rods are mounted on the inner wall of the fixed box. The transmission connection on the first pulley has the same belt, and the four screw rods are threaded with the lifting plate.

Preferably, the clamping mechanism includes four symmetrically arranged clamping rods, and four symmetrically arranged sliding grooves are opened on the top of the placing plate, the inner wall of the sliding groove is rotatably connected with a screw rod, and the screw rod is threadedly connected with a moving block , the moving block is fixedly connected with the corresponding clamping rod.

Preferably, the outer side of the placing plate is rotatably connected with a swivel, the top of the swivel is fixedly mounted with a ring rack, and one end of the screw rod is fixedly mounted with a transmission gear, and the transmission gear meshes with four ring racks.

Preferably, a driving gear is fixedly installed on the output shaft of the third motor, and the driving gear and the driven gear mesh with each other.

Compared with the prior art, the utility model has the advantages of:

(1) In this solution, four pulleys are connected to the belt, so that the output shaft of the first motor drives the four screws to rotate simultaneously, and drives the grinding head to go up and down through the threaded connection with the lifting plate;

(2) Due to the mutual meshing between the ring rack and the four transmission gears, the rotating swivel can drive the four screw rods to rotate at the same time, and the clamp rod is driven by the threaded connection between the screw rod and the moving block to carry out the round workpiece or material. Clamping fixed.

The utility model is simple to operate and easy to use, can adjust the grinding depth, can also facilitate fast fixing and installation of circular workpieces and materials, and can also perform omnidirectional grinding, which is convenient for people to use.

Description of drawings

Fig. 1 is the structural representation of the grinding mechanism of a kind of numerical control lathe that the utility model proposes;

Fig. 2 is the placement plate sectional structure schematic diagram of the grinding mechanism of a kind of numerically controlled lathe that the utility model proposes;

Fig. 3 is a structural diagram of part A of a grinding mechanism of a CNC lathe proposed by the utility model.

In the figure: 1. Operating table; 2. Fixed box; 3. Lifting plate; 4. Screw; 5. First motor; 6. Cylinder; 7. Mounting plate; 8. Second motor; 9. Grinding head; 10. Driven gear; 11, placing plate; 12, clamping rod; 13, slide groove; 14, screw mandrel; 15, moving block; 16, swivel ring; 17, ring rack; 18, transmission gear; 19, third motor ; 20, driving gear; 21, dust box; 22, blower; 23, filter plate.

Detailed ways

The following will clearly and completely describe the technical solutions in this embodiment with reference to the drawings in this embodiment. Obviously, the described embodiment is only a part of this embodiment, not all of the embodiments.

Embodiment one

Referring to Figures 1-3, a grinding mechanism for a CNC lathe includes an operating table 1, a fixed box 2 is fixedly installed on the top of the operating table 1, and a lifting plate 3 is slidably connected to the inner wall of the fixing box 2, and the top of the lifting plate 3 A cylinder 6 is fixedly installed, and a mounting plate 7 is fixedly mounted on the piston of the cylinder 6. A second motor 8 is fixedly mounted on the mounting plate 7. A grinding head 9 is fixedly mounted on the output shaft of the second motor 8. The top of the fixed box 2 The first motor 5 is fixedly installed, and the lifting mechanism is arranged in the fixed box 2. The output shaft of the first motor 5 is connected to the lifting mechanism. A placement plate 11 is installed, and a clamping mechanism is provided on the placement plate 11. A dust removal box 21 is fixedly installed on the top of the operating table 1. A blower 22 is arranged in the dust removal box 21. A filter plate 23 is installed on the inner wall of the dust removal box 21. Operation A third motor 19 is fixedly installed on the bottom of the platform 1 , the output shaft of the third motor 19 is connected to the driven gear 10 , and a controller is fixedly installed on the top of the fixed box 2 .

In this embodiment, the lifting mechanism includes four symmetrically arranged screw rods 4, the four screw rods 4 are rotatably mounted on the inner wall of the fixed box 2, the output shaft of the first motor 5 is fixedly connected with the corresponding screw rods 4, and the screw rods 4 are fixed The sleeve is provided with pulleys, the four pulleys are connected with the same belt, the four screw rods 4 are threadedly connected with the lifting plate 3, and the output shaft of the first motor 5 drives the four screw rods 4 to rotate simultaneously through the transmission connection between the four pulleys and the belt , and drive the grinding head 9 through the threaded connection between the screw rod 4 and the lifting plate 3 to adjust the height.

In this embodiment, the clamping mechanism includes four symmetrically arranged clamp rods 12, and the top of the placing plate 11 is provided with four symmetrically arranged sliding grooves 13, and the inner wall of the sliding groove 13 is rotatably connected with a screw rod 14, and the screw rod 14 The upper thread is connected with a moving block 15, the moving block 15 is fixedly connected with the corresponding clamp rod 12, the outer side of the placement plate 11 is connected with a swivel 16, the top of the swivel 16 is fixedly equipped with an annular rack 17, and one end of the screw rod 14 The transmission gear 18 is fixedly installed, and the transmission gear 18 meshes with the four ring racks 17. The rotating swivel 16 drives the screw 14 to rotate through the mutual engagement of the ring rack 17 and the four transmission gears 18, and the rotating screw 14 rotates. 14 drives the clamping rod 12 through the screw connection with the moving block 15 to clamp and fix the workpiece or material.

In this embodiment, a driving gear 20 is fixedly installed on the output shaft of the third motor 19, and the driving gear 20 and the driven gear 10 mesh with each other, and the output shaft of the third motor 19 is through the mutual meshing of the driving gear 20 and the driven gear 10 Drive the placing plate 11 to rotate, and then can facilitate the all-round grinding and cutting of the workpiece.

Working principle, when working, place the workpiece or material on the placement plate 11, turn the swivel 16, and the swivel 16 drives the screw rod 14 to rotate through the mutual meshing of the ring rack 17 and the four transmission gears 18, and the rotating screw rod 14. The clamp rod 12 is driven to move through the threaded connection with the moving block 15, and then the circular workpiece is clamped and fixed by four clamp rods 12. At the same time, the switch of the second motor 8 is started, and the output shaft of the second motor 8 drives the grinding head 9 For workpiece grinding, when it is necessary to adjust the cutting depth of grinding, start the switch of cylinder 6, and the piston of cylinder 6 drives the grinding head 9 to move, thereby adjusting the grinding depth and position of the workpiece. When grinding workpieces of different heights, start the first Motor 5 switches, and the output shaft of the first motor 5 drives four screw rods 4 to rotate simultaneously through the transmission connection of four pulleys and belts, and the rotating screw rod 4 drives the grinding head 9 to change in height through the screw connection with the lifting plate 3, and then can Adjust the grinding height, when the workpiece needs to be polished in all directions, start the switch of the third motor 19, the output shaft of the third motor 19 drives the placement plate 11 to rotate through the mutual meshing of the driving gear 20 and the driven gear 10, and the rotating placement The plate 11 drives the workpiece to rotate, so that the workpiece is polished in all directions by the grinding head 9, and the blower 22 and the filter plate 23 can filter and collect the dust generated during grinding.

Embodiment two

The difference between the second embodiment and the first embodiment is that there is a notch on the clamping rod 12, and the notches on the two clamping rods 12 can facilitate the placement of splints, and the workpieces of different shapes can be clamped and fixed by the corresponding two splints. , which is convenient for people to use.

The above is only a preferred specific implementation mode of this embodiment, but the scope of protection of this embodiment is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in this embodiment Any equivalent replacement or change of the technical solution and the concept of the utility model of the example shall fall within the scope of protection of the present embodiment.

Claims (5)

1. The utility model provides a grinding mechanism of numerical control lathe, includes operation panel (1), its characterized in that, fixed box (2) are installed to the top fixed mounting of operation panel (1), sliding connection has lifter plate (3) on the inner wall of fixed box (2), the top fixed mounting of lifter plate (3) has cylinder (6), fixed mounting has mounting panel (7) on the piston of cylinder (6), fixed mounting has second motor (8) on mounting panel (7), fixed mounting has grinding head (9) on the output shaft of second motor (8), the top fixed mounting of fixed box (2) has first motor (5), be equipped with elevating system in fixed box (2), the output shaft and the elevating system transmission of first motor (5) are connected, the top rotation of operation panel (1) is connected with driven gear (10), the top fixed mounting of driven gear (10) has place board (11), be equipped with fixture on place board (11), the top fixed mounting of operation panel (1) has dust removal case (21), be equipped with first motor (21) on the output shaft of second motor (8), be equipped with filter (21) in the dust removal case (21), be equipped with on the inner wall (19) of dust removal case (21), an output shaft of the third motor (19) is in transmission connection with the driven gear (10), and a controller is fixedly arranged at the top of the fixed box (2).

2. The grinding mechanism of the numerically controlled lathe according to claim 1, wherein the lifting mechanism comprises four symmetrically arranged screws (4), the four screws (4) are rotatably arranged on the inner wall of the fixed box (2), an output shaft of the first motor (5) is fixedly connected with the corresponding screws (4), belt pulleys are fixedly sleeved on the screws (4), the four belt pulleys are in transmission connection with the same belt, and the four screws (4) are in threaded connection with the lifting plate (3).

3. The grinding mechanism of the numerically controlled lathe according to claim 1, wherein the clamping mechanism comprises four symmetrically arranged clamping rods (12), four symmetrically arranged sliding grooves (13) are formed in the top of the placing plate (11), a screw rod (14) is rotatably connected to the inner wall of each sliding groove (13), a moving block (15) is connected to the screw rod (14) in a threaded mode, and the moving blocks (15) are fixedly connected with the corresponding clamping rods (12).

4. A grinding mechanism of a numerically controlled lathe according to claim 3, characterized in that the outer side of the placing plate (11) is rotatably connected with a swivel (16), an annular rack (17) is fixedly arranged at the top of the swivel (16), a transmission gear (18) is fixedly arranged at one end of the screw rod (14), and the transmission gear (18) is meshed with the four annular racks (17).

5. The grinding mechanism of the numerically controlled lathe according to claim 1, wherein a driving gear (20) is fixedly arranged on an output shaft of the third motor (19), and the driving gear (20) is meshed with the driven gear (10).

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