Height-adjustable machining machine tool

Abstract

The utility model belongs to the technical field of machining machine tools, and particularly relates to a height-adjustable machining machine tool which comprises a base and a machining table, a height adjusting assembly is arranged between the base and the machining table, a clamping and fixing assembly is arranged on the machining table, and two stand columns are fixedly connected to the top of the base. The top ends of the two stand columns are fixedly connected with the same top plate, the top of the top plate is fixedly connected with an upper air cylinder, and an output shaft of the upper air cylinder is fixedly connected with a rotating motor. The machining table is reasonable in structural design, the height of the machining table can be adjusted, the practicability of a machine tool is improved, meanwhile, after adjustment, the two-way lead screw can be locked, the stability of the machining table after adjustment is improved, the machining quality is guaranteed, a workpiece can be clamped, centered and fixed conveniently, and the machining efficiency is improved. And the workpiece is prevented from deviating and shaking to influence the machining precision.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing machine tools, in particular to a mechanical processing machine tool with adjustable height. Background Art

[0002] With the development and progress of industry, there are more and more mechanical processing equipment and more and more processing methods. As a result, people's requirements for mechanical processing are becoming more and more comprehensive, and the requirements for the functionality and adjustability of processing equipment are becoming more and more important. We know that modern mechanical processing mainly uses relevant processing machine tools and assembly lines to cooperate with each other, so as to improve production efficiency.

[0003] After searching: Chinese patent number CN210588126U is a height-adjustable mechanical processing machine tool, comprising a machine tool bed, a mounting base is provided at the bottom of the machine tool bed, a guide column is provided on one side of the mounting base, the guide column is provided with a workbench and a supporting cross tube, a buffer spring is provided on one side of the supporting cross tube, a mounting block is provided on one side of the mounting base, a crank gear is provided on one side of the mounting block, a driving motor is provided at the shaft end of the rotating shaft, a lifting and folding arm is provided on one side of the crank gear rim, and a circumferential limit device for limiting its rotation is provided on the side of the mounting block adjacent to the crank gear.

[0004] However, although the above-mentioned machining machine is convenient for adjusting the height, an anti-loosening spring and a locking gear are used to fix the crank gear. Since the anti-loosening spring is prone to shaking, the crank gear cannot be firmly locked, and the workbench cannot be firmly fixed, which reduces the stability of the device and affects the accuracy of the processing. It is also inconvenient to effectively clamp and fix the workpiece, which makes the workpiece prone to deviation and reduces the processing accuracy. Therefore, we propose a machining machine with adjustable height to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the above-mentioned shortcomings and proposes a height-adjustable mechanical processing machine tool.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A height-adjustable machining machine comprises a base and a machining table, a height-adjusting assembly is arranged between the base and the machining table, a clamping and fixing assembly is arranged on the machining table, the top of the base is fixedly connected to two columns, the top ends of the two columns are fixedly connected to the same top plate, the top of the top plate is fixedly connected to an upper cylinder, a rotating motor is fixedly connected to the output shaft of the upper cylinder, a machining spindle is fixedly connected to the output shaft of the rotating motor, a support plate is fixedly connected to one side of the base, and a locking assembly is arranged between the support plate and the base.

[0008] Preferably, a groove is provided on the top of the base, and the height adjustment assembly includes a driving motor fixedly connected to one side of the base and a bidirectional screw rod rotatably connected to the inner walls on both sides of the groove, the output shaft of the driving motor is fixedly connected to one end of the bidirectional screw rod, and the outer threaded sleeve of the bidirectional screw rod is provided with two movable seats, and push-pull rods are rotatably connected to the two movable seats, and the processing table is rotatably connected to the top ends of the two push-pull rods.

[0009] Preferably, the two movable seats are slidably mounted in the groove.

[0010] Preferably, a mounting groove is provided on the top of the movable seat, and the push-pull rod is rotatably connected to the front and rear inner walls of the mounting groove.

[0011] Preferably, the locking assembly includes an external gear fixedly connected to the moving bidirectional screw and a lifting screw rotatably connected to the top of the support plate, the outer threaded sleeve of the lifting screw is provided with a lifting plate, the top of the lifting plate is fixedly connected with an arc-shaped internal gear ring, and the arc-shaped internal gear ring is meshed with the external gear.

[0012] Preferably, two guide rods are fixedly connected to the top of the support plate, and the lifting plate is slidably sleeved on the outside of the two guide rods.

[0013] Preferably, the bottom end of the lifting screw is fixedly connected with a hand wheel.

[0014] Preferably, the clamping and fixing assembly includes two vertical plates fixedly connected to the top of the processing table, one side of the vertical plate is fixedly connected to a lower cylinder, the output shafts of the two lower cylinders are fixedly connected to clamps, and the two clamps are slidably connected to the top of the processing table.

[0015] In the utility model, the height-adjustable mechanical processing machine tool starts the driving motor according to the size of the workpiece and the processing depth, and the driving motor drives the rotation of the bidirectional screw. Under the guidance of the groove, the bidirectional screw drives the two moving seats to move closer to or away from each other, and the two moving seats drive the two push-pull rods and the processing table to move up or down, thereby adjusting the height of the processing table, thereby improving the versatility of the device;

[0016] The utility model discloses a kind of mechanical processing machine tool with adjustable height. After adjustment, the driving motor is turned off, and the lifting screw rod is rotated by the hand wheel. The lifting screw rod drives the lifting plate and the arc-shaped inner gear ring to move up and firmly abut against the outer side of the outer gear, so that the outer gear and the two-way screw rod can be firmly locked, and then the movable seat, the push-pull rod and the processing table can be locked, thereby improving the stability of the processing table after adjustment and ensuring the processing quality. The workpiece is placed on the top of the processing table, and the two lower cylinders are started. The output shafts of the two lower cylinders drive the two clamping plates to approach each other and clamp the workpiece to the top of the processing table to avoid the workpiece from being offset and shaking and affecting the processing accuracy. Finally, through the setting of the upper cylinder and the rotating motor, the processing spindle is driven to rotate and lift at the same time, so that the workpiece can be processed.

[0017] The utility model discloses the height of the workpiece is adjusted, and the workpiece is convenient to be fixed and centered, so as to avoid the workpiece from being offset and shaken, thereby affecting the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a height-adjustable mechanical processing machine tool proposed by the utility model;

[0019] Figure 2 A cross-sectional view of a height-adjustable machining machine tool proposed by the utility model;

[0020] Figure 3 The utility model is a schematic structural diagram of part A of a height-adjustable mechanical processing machine tool.

[0021] In the figure: 1. base; 2. drive motor; 3. groove; 4. moving seat; 5. push-pull rod; 6. column; 7. external gear; 8. processing table; 9. top plate; 10. upper cylinder; 11. rotating motor; 12. processing spindle; 13. lower cylinder; 14. vertical plate; 15. clamping plate; 16. bidirectional screw; 17. arc-shaped internal gear ring; 18. lifting plate; 19. guide rod; 20. lifting screw; 21. support plate; 22. handwheel. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-3A height-adjustable machining machine comprises a base 1 and a machining table 8, a height-adjusting assembly is arranged between the base 1 and the machining table 8, a clamping and fixing assembly is arranged on the machining table 8, two columns 6 are fixedly connected to the top of the base 1, the tops of the two columns 6 are fixedly connected to the same top plate 9, an upper cylinder 10 is fixedly connected to the top of the top plate 9, a rotating motor 11 is fixedly connected to the output shaft of the upper cylinder 10, a machining spindle 12 is fixedly connected to the output shaft of the rotating motor 11, a support plate 21 is fixedly connected to one side of the base 1, and a locking assembly is arranged between the support plate 21 and the base 1.

[0024] In the utility model, a groove 3 is provided on the top of the base 1, and a height adjustment component includes a driving motor 2 fixedly connected to one side of the base 1 and a bidirectional screw 16 rotatably connected to the inner walls on both sides of the groove 3. The output shaft of the driving motor 2 is fixedly connected to one end of the bidirectional screw 16, and the outer threaded sleeve of the bidirectional screw 16 is provided with two moving seats 4, and push-pull rods 5 are rotatably connected in the two moving seats 4. The processing table 8 is rotatably connected to the top of the two push-pull rods 5. According to the size of the workpiece and the processing depth, the driving motor 2 is started, and the driving motor 2 drives the rotation of the bidirectional screw 16. Under the guidance of the groove 3, the bidirectional screw 16 drives the two moving seats 4 to approach or move away from each other, and the two moving seats 4 drive the two push-pull rods 5 and the processing table 8 to move up or down, so that the height of the processing table 8 can be adjusted, thereby improving the versatility of the device.

[0025] In the utility model, the two moving seats 4 are both slidably sleeved in the groove 3 , which is beneficial to guiding the moving seats 4 so that they do not rotate together with the bidirectional screw rod 16 .

[0026] In the utility model, a mounting groove is provided on the top of the movable seat 4 , and the push-pull rod 5 is rotatably connected to the front and rear inner walls of the mounting groove, so that the push-pull rod 5 can be rotatably mounted on the movable seat 4 .

[0027] In the utility model, the locking assembly includes an outer gear 7 fixedly connected to the moving bidirectional screw rod 16 and a lifting screw rod 20 rotatably connected to the top of the support plate 21. The outer threaded sleeve of the lifting screw rod 20 is provided with a lifting plate 18. The top of the lifting plate 18 is fixedly connected with an arc-shaped inner gear ring 17, and the arc-shaped inner gear ring 17 is meshed with the outer gear 7. After adjustment, the drive motor 2 is turned off, and the lifting screw rod 20 is rotated by the hand wheel 22. The lifting screw rod 20 drives the lifting plate 18 and the arc-shaped inner gear ring 17 to move upward and firmly abut against the outer side of the outer gear 7, so that the outer gear 7 and the bidirectional screw rod 16 can be firmly locked, and then the movable seat 4, the push-pull rod 5 and the processing table 8 can be locked, thereby improving the stability of the processing table 8 after adjustment and ensuring the processing quality.

[0028] In the utility model, the top of the support plate 21 is fixedly connected to two guide rods 19, and the lifting plate 18 is slidably sleeved on the outer sides of the two guide rods 19, which can guide the lifting plate 18 to make its movement more stable and smooth.

[0029] In the present invention, a hand wheel 22 is fixedly connected to the bottom end of the lifting screw rod 20 to facilitate the rotation of the lifting screw rod 20 .

[0030] In the utility model, the clamping and fixing assembly includes two vertical plates 14 fixedly connected to the top of the processing table 8, one side of the vertical plate 14 is fixedly connected to the lower cylinder 13, the output shafts of the two lower cylinders 13 are fixedly connected to the clamping plates 15, the two clamping plates 15 are slidably connected to the top of the processing table 8, the workpiece is placed on the top of the processing table 8, the two lower cylinders 13 are started, the output shafts of the two lower cylinders 13 drive the two clamping plates 15 to approach each other and clamp the workpiece to the top of the processing table 8 to prevent the workpiece from being offset and shaking and affecting the processing accuracy.

[0031] In the utility model, when working, according to the size of the workpiece and the depth of processing, the driving motor 2 is started, and the driving motor 2 drives the rotation of the bidirectional screw 16. Under the guidance of the groove 3, the bidirectional screw 16 drives the two moving seats 4 to move closer to or away from each other, and the two moving seats 4 drive the two push-pull rods 5 and the processing table 8 to move up or down, so that the height of the processing table 8 can be adjusted to improve the versatility of the device. After adjustment, the driving motor 2 is turned off, and the lifting screw 20 is rotated by the hand wheel 22. The lifting screw 20 drives the lifting plate 18 and the arc-shaped inner gear ring 17 to move up and firmly abut against the outer edge of the outer gear 7. side, and then the outer gear 7 and the two-way screw rod 16 can be firmly locked, and then the movable seat 4, the push-pull rod 5 and the processing table 8 can be locked, which improves the stability of the processing table 8 after adjustment and ensures the quality of processing. The workpiece is placed on the top of the processing table 8, and the two lower cylinders 13 are started. The output shafts of the two lower cylinders 13 drive the two clamps 15 to approach each other and clamp the workpiece to the top of the processing table 8 to avoid the workpiece from shifting and shaking and affecting the processing accuracy. Finally, through the setting of the upper cylinder 10 and the rotating motor 11, the processing spindle 12 is driven to rotate and rise and fall, so that the workpiece can be processed.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A height-adjustable machining machine tool, characterized in that: The invention comprises a base (1) and a processing table (8), wherein a height adjustment component is arranged between the base (1) and the processing table (8), wherein a clamping and fixing component is arranged on the processing table (8), wherein two columns (6) are fixedly connected to the top of the base (1), wherein the top ends of the two columns (6) are fixedly connected to the same top plate (9), wherein the top end of the top plate (9) is fixedly connected to an upper cylinder (10), wherein a rotating motor (11) is fixedly connected to the output shaft of the upper cylinder (10), wherein a processing spindle (12) is fixedly connected to the output shaft of the rotating motor (11), wherein a support plate (21) is fixedly connected to one side of the base (1), wherein a locking component is arranged between the support plate (21) and the base (1), wherein a groove (3) is provided on the top of the base (1), wherein the height adjustment component comprises a fixing member fixedly connected to the base ( 1) A driving motor (2) on one side is rotatably connected to a bidirectional screw (16) on the inner walls of both sides of the groove (3), the output shaft of the driving motor (2) is fixedly connected to one end of the bidirectional screw (16), the outer thread sleeve of the bidirectional screw (16) is provided with two moving seats (4), and push-pull rods (5) are rotatably connected in the two moving seats (4), the processing table (8) is rotatably connected to the top of the two push-pull rods (5), the locking assembly includes an external gear (7) fixedly connected to the moving bidirectional screw (16) and a lifting screw (20) rotatably connected to the top of the support plate (21), the outer thread sleeve of the lifting screw (20) is provided with a lifting plate (18), the top of the lifting plate (18) is fixedly connected with an arc-shaped internal gear ring (17), and the arc-shaped internal gear ring (17) is meshed with the external gear (7).

2. The height-adjustable machining machine tool according to claim 1, characterized in that: The two movable seats (4) are both slidably sleeved in the groove (3).

3. The height-adjustable machining machine tool according to claim 1, characterized in that: The top of the movable seat (4) is provided with a mounting groove, and the push-pull rod (5) is rotatably connected to the front and rear inner walls of the mounting groove.

4. The height-adjustable machining machine tool according to claim 1, characterized in that: The top of the support plate (21) is fixedly connected to two guide rods (19), and the lifting plate (18) is slidably sleeved on the outer sides of the two guide rods (19).

5. The height-adjustable machining machine tool according to claim 1, characterized in that: The bottom end of the lifting screw rod (20) is fixedly connected to a hand wheel (22).

6. The height-adjustable machining machine tool according to claim 1, characterized in that: The clamping and fixing assembly comprises two vertical plates (14) fixedly connected to the top of the processing table (8), one side of the vertical plate (14) is fixedly connected to a lower cylinder (13), the output shafts of the two lower cylinders (13) are fixedly connected to clamping plates (15), and the two clamping plates (15) are slidably connected to the top of the processing table (8).

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