Clamping device for numerical control machine tool

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a clamping device for a numerical control machine tool, which comprises a workbench, the left end and the right end of the bottom of the workbench are fixedly connected with bottom feet, the top of the workbench is provided with an adjusting mechanism, the top of the adjusting mechanism is provided with a clamping mechanism, and the clamping mechanism comprises a protective shell. The adjusting mechanism comprises a sliding block, the protective shell is fixedly connected to the top of the sliding block, when an object needs to be clamped, the micro motor is started to drive the two-way screw to rotate, the sliding block is driven to move oppositely, the outer end of the object is clamped through the clamping block, and then the object is clamped. Through the arrangement of an anti-skid pad, it can be guaranteed that an object cannot slip off in the machining process, meanwhile, when the object needs to be steered, a motor is started to drive a rotating shaft to rotate, a first driving gear drives a second driving gear to rotate, rotation of a mounting frame at one end of a main shaft is changed, and therefore the orientation of the object is changed; therefore, different processing requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled machine tools, in particular to a clamping device for numerically controlled machine tools. Background Art

[0002] CNC machine tool is the abbreviation of digitally controlled machine tool. It is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, express them in coded numbers, and input them into the CNC device through information carriers. After calculation and processing, the CNC device sends various control signals to control the movement of the machine tool and automatically process parts according to the shape and size required by the drawing.

[0003] According to a clamping device for a CNC machine tool disclosed on the patent website (authorization announcement number: CN214685387U), "the utility model discloses a clamping device for a CNC machine tool, comprising a workbench, wherein mounting plates are symmetrically provided on both sides of the upper end of the workbench, and electric push rods are provided on opposite sides of the mounting plates on both sides, and output ends of the electric push rods are provided with fixed plates, and a feeding assembly and a buffer assembly are provided on the workbench, wherein the feeding assembly is provided on the upper end of the workbench, and the buffer assembly is provided on the fixed plates on both sides. The utility model can enable the fixed plates to clamp the parts while driving the pallets to push the parts upward to between the fixed plates on both sides, so that the workers only need to place the parts on the pallets to enable the device to automatically load and clamp the parts, and there is no need to manually place the parts between the two fixed plates, thereby ensuring the safety of the workers. In addition, the device can buffer the force of the fixed plates squeezing the parts through a plurality of springs, thereby preventing the fixed plates from directly squeezing the parts rigidly and causing damage to the parts, thereby ensuring the quality of the parts."

[0004] Based on the above, the applicant believes that the following defects exist:

[0005] The clamping device for the CNC machine tool includes a workbench, which can buffer the force of the fixed plate squeezing the parts through a plurality of springs, thereby preventing the fixed plate from directly and rigidly squeezing the parts and causing damage to the parts, thereby ensuring the quality of the parts. When the clamping device is in use, since the clamping device is fixedly installed on the machine tool and the workpiece needs to be processed in multiple directions, it is necessary to adjust the workpiece for angle adjustment, which reduces the processing efficiency. Utility Model Content

[0006] The purpose of the present utility model is to provide a clamping device for a CNC machine tool to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a clamping device for a CNC machine tool, comprising a workbench, wherein the left and right ends of the bottom of the workbench are fixedly connected to feet, the top of the workbench is provided with an adjustment mechanism, and the top of the adjustment mechanism is provided with a clamping mechanism;

[0008] The clamping mechanism includes a protective shell, the adjusting mechanism includes a sliding block, the protective shell is fixedly connected to the top of the sliding block, the protective shell is rotatably connected to the inside of the protective shell, the top of the rotating shaft surface is fixedly connected to a driving gear 1, the top of the protective shell is fixedly connected to a motor frame, a motor is provided inside the motor frame, the inside of the protective shell is rotatably connected to a main shaft, the outer end of the main shaft is fixedly connected to a driving gear 2, the inside of the main shaft is fixedly connected to a mounting frame, the inside of the mounting frame is rotatably connected to a bidirectional screw, a micro motor is provided on the top of the mounting frame, the surface of the bidirectional screw is threadedly connected to a slider, and the front of the slider is fixedly connected to an installation The mounting plate has an extension arm fixedly connected to the outer end of the mounting plate, and the end of the extension arm away from the mounting plate is fixedly connected to a clamping block, and the surface of the clamping block is fixedly connected to a non-slip pad. When it is necessary to clamp the object, starting the micro motor can drive the bidirectional screw to rotate, drive the slider to move in opposite directions, and clamp the outer end of the object through the clamping block. The setting of the non-slip pad can ensure that the object will not slip during the processing. At the same time, when it is necessary to turn the object, starting the motor can drive the rotating shaft to rotate, and drive gear 1 drives drive gear 2 to rotate, thereby changing the rotation of the mounting frame at one end of the main shaft, thereby changing the direction of the object, thereby meeting different processing requirements.

[0009] Preferably, the driving gear 1 and the driving gear 2 are meshed with each other, the driving gear 2 is arranged inside the protective shell, the rotating shaft is fixedly connected to the bottom output end of the motor, and the bidirectional screw is fixedly connected to the bottom output end of the micro motor.

[0010] Preferably, the protective shell, main shaft, driving gear 2, mounting frame, bidirectional screw, micro motor, slider, mounting plate, extension arm, clamping block and anti-slip pad are symmetrically distributed on the left and right ends of the bottom of the workbench.

[0011] Preferably, the adjusting mechanism includes an adjusting slot, the adjusting slot is opened on the top surface of the workbench, a partition is fixedly connected to the bottom of the workbench, telescopic rods are fixedly connected to the left and right ends of the partition, a connecting block is fixedly connected to the end of the telescopic rod away from the partition, the top of the connecting block is fixedly connected to a support rod, the top of the support rod is fixedly connected to an electric slide rail, the top of the electric slide rail is slidably connected to a sliding block, and a control motor is installed at the outer end of the electric slide rail. When an object is added to the machine tool, the electric slide rail, the sliding block and the control motor can realize automatic transportation of the object, which is convenient for the staff to load and unload objects, and the workers do not need to move the objects manually. At the same time, the electric slide rail can be pulled to move by the telescopic rod, thereby changing the clamping distance, thereby meeting the clamping requirements of objects of different sizes.

[0012] Preferably, two groups of the electric slide rails, the sliding blocks and the control motors are provided, and the electric slide rails, the sliding blocks and the control motors are all provided on the top of the workbench.

[0013] Preferably, the support rod is arranged inside the adjustment slot, and the top of the support rod is slidably connected to the inside of the adjustment slot.

[0014] Compared with the prior art, the present invention provides a clamping device for CNC machine tools, which has the following beneficial effects:

[0015] 1. The clamping device of the CNC machine tool is provided with a clamping mechanism. When it is necessary to clamp the object, the micro motor is started to drive the bidirectional screw to rotate, and the slider is driven to move in opposite directions. The outer end of the object is clamped by the clamping block. The anti-slip pad can ensure that the object will not slip during the processing. At the same time, when the object needs to be turned, the motor is started to drive the rotating shaft to rotate. The driving gear 1 drives the driving gear 2 to rotate, and the mounting frame at one end of the spindle is changed to rotate, thereby changing the direction of the object to meet different processing requirements.

[0016] 2. The clamping device of the CNC machine tool is equipped with an adjustment mechanism. When an object is added to the machine tool, the object can be automatically transported through the electric slide rail, sliding block and control motor, which is convenient for the staff to load and unload objects. The workers do not need to move the objects manually. At the same time, the electric slide rail can be pulled to move through the telescopic rod, thereby changing the clamping distance to meet the clamping needs of objects of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the clamping mechanism of the utility model structure;

[0020] Figure 3 This is a schematic diagram of the drive gear 1 and the drive gear 2 of the utility model structure;

[0021] Figure 4 This is a schematic diagram of the bidirectional screw structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the structural adjustment mechanism of the utility model.

[0023] In the figure: 1. Workbench; 2. Base; 3. Clamping mechanism; 31. Protective shell; 32. Rotating shaft; 33. Drive gear 1; 34. Motor frame; 35. Motor; 36. Spindle; 37. Drive gear 2; 38. Mounting frame; 39. Bidirectional screw; 391. Micro motor; 301. Slider; 302. Mounting plate; 303. Extension arm; 304. Clamping block; 305. Anti-slip pad; 4. Adjustment mechanism; 41. Adjustment slot; 42. Partition; 43. Telescopic rod; 44. Connecting block; 45. Support rod; 46. Electric slide rail; 47. Sliding block; 48. Control motor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0026] The utility model provides the following technical solutions:

[0027] Example 1

[0028] See also Figures 1-5A kind of clamping device for numerical control machine tool includes workbench 1, the bottom left and right ends of workbench 1 are fixedly connected with bottom foot 2, the top of workbench 1 is provided with adjusting mechanism 4, adjusting mechanism 4 top is provided with clamping mechanism 3;

[0029] Clamping mechanism 3 includes protective housing 31, adjusting mechanism 4 includes sliding block 47, protective housing 31 is fixedly connected to the top of sliding block 47, protective housing 31 is rotatably connected with shaft 32 in the inside, the top end of the surface of shaft 32 is fixedly connected with drive gear one 33, protective housing 31 top is fixedly connected with motor bracket 34, motor bracket 34 is provided with motor 35 in the inside, protective housing 31 is rotatably connected with main shaft 36 on the inside, the outer end of main shaft 36 is fixedly connected with drive gear two 37, main shaft 36 is fixedly connected with mounting frame 38 on the inside, mounting frame 38 is rotatably connected with bidirectional screw 39 in the inside, mounting frame 38 top is provided with micro motor 391, the surface of bidirectional screw 39 is threadedly connected with sliding block 301, sliding block 301 is fixedly connected with mounting plate 302 on the front, mounting plate 302 outer end is fixedly connected with extension arm 303, the end of extension arm 303 away from mounting plate 302 is fixedly connected with clamping block 304, clamping block 304 surface is fixedly connected with non-slip pad 305, when the object needs to be clamped, micro motor 391 can be started to drive bidirectional screw 39 to rotate, sliding block 301 is driven to move oppositely, and the object is clamped by clamping block 304 on the outer end, the setting of non-slip pad 305 can ensure that the object does not slip in the process of processing, and when the object needs to be turned, motor 35 can be started to drive shaft 32 to rotate, drive gear two 37 is driven to rotate by drive gear one 33, the rotation of mounting frame 38 at one end of main shaft 36 is changed, so that the orientation of the object is changed, so that different processing requirements are met;

[0030] Drive gear one 33 and drive gear two 37 are interlocked, drive gear two 37 is arranged in the inside of protective housing 31, shaft 32 is fixedly connected to the bottom output end of motor 35, bidirectional screw 39 is fixedly connected to the bottom output end of micro motor 391;

[0031] Protective housing 31, main shaft 36, drive gear two 37, mounting frame 38, bidirectional screw 39, micro motor 391, sliding block 301, mounting plate 302, extension arm 303, clamping block 304 and non-slip pad 305 are symmetrically distributed on the bottom left and right ends of workbench 1.

[0032] Example two

[0033] Please refer to Figures 1-5, and on the basis of embodiment 1, it is further obtained that the adjustment mechanism 4 includes an adjustment slot 41, the adjustment slot 41 is opened on the top surface of the workbench 1, a partition 42 is fixedly connected to the bottom of the workbench 1, and telescopic rods 43 are fixedly connected to the left and right ends of the partition 42, and a connecting block 44 is fixedly connected to the end of the telescopic rod 43 away from the partition 42, and a support rod 45 is fixedly connected to the top of the connecting block 44. The top of the support rod 45 is fixedly connected to an electric slide 46, and the top of the electric slide 46 is slidably connected to a sliding block 47. A control motor 48 is installed at the outer end of the electric slide 46. When an object is added to the machine tool, the electric slide 46, the sliding block 47 and the control motor 48 can realize automatic transportation of the object, which is convenient for the staff to load and unload objects without the need for workers to manually move objects. At the same time, the electric slide 46 can be pulled to move by the telescopic rod 43, thereby changing the clamping distance, thereby meeting the clamping requirements of objects of different sizes;

[0034] There are two sets of electric slide rails 46, sliding blocks 47 and control motors 48, and the electric slide rails 46, sliding blocks 47 and control motors 48 are all arranged on the top of the workbench 1;

[0035] The support rod 45 is disposed inside the adjustment slot 41 , and the top of the support rod 45 is slidably connected to the inside of the adjustment slot 41 .

[0036] The object is fixed on the workbench 300 and the sliding block 301 is moved in the opposite direction so that the sliding block 304 can clamp the outer end of the object. The anti-slip pad 305 is set to ensure that the object will not slip during the processing. At the same time, when the object needs to be turned, the motor 35 is started to drive the rotating shaft 32 to rotate, and the driving gear 33 drives the driving gear 2 37 to rotate, thereby changing the rotation of the mounting frame 38 at one end of the main shaft 36 to change the direction of the object, so as to meet different processing requirements. When an object is added to the machine tool, the electric slide 46, the sliding block 47 and the control motor 48 can be used to realize automatic transportation of the object, which is convenient for the staff to load and unload the object without the need for the workers to move the object manually. At the same time, the telescopic rod 43 can be used to pull the electric slide 46 to move, thereby changing the clamping distance, so as to meet the clamping requirements of objects of different sizes.

[0037] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A clamping device for a CNC machine tool, comprising a workbench (1), characterized in that: The left and right ends of the bottom of the workbench (1) are fixedly connected with feet (2); the top of the workbench (1) is provided with an adjustment mechanism (4); and the top of the adjustment mechanism (4) is provided with a clamping mechanism (3); The clamping mechanism (3) includes a protective shell (31), the adjusting mechanism (4) includes a sliding block (47), the protective shell (31) is fixedly connected to the top of the sliding block (47), the protective shell (31) is internally connected to a rotating shaft (32), the top end of the rotating shaft (32) is fixedly connected to a driving gear 1 (33), the top of the protective shell (31) is fixedly connected to a motor frame (34), a motor (35) is provided inside the motor frame (34), the inner side of the protective shell (31) is connected to a main shaft (36), the outer end of the main shaft (36) is fixedly connected to a driving gear 2 (37), The inner side of the main shaft (36) is fixedly connected to a mounting frame (38), the interior of the mounting frame (38) is rotatably connected to a bidirectional screw (39), a micro motor (391) is provided on the top of the mounting frame (38), a slider (301) is threadedly connected to the surface of the bidirectional screw (39), the front of the slider (301) is fixedly connected to a mounting plate (302), the outer end of the mounting plate (302) is fixedly connected to an extension arm (303), the end of the extension arm (303) away from the mounting plate (302) is fixedly connected to a clamping block (304), and the surface of the clamping block (304) is fixedly connected to an anti-slip pad (305).

2. The clamping device for a CNC machine tool according to claim 1, characterized in that: The driving gear 1 (33) and the driving gear 2 (37) are meshed with each other, the driving gear 2 (37) is arranged inside the protective shell (31), the rotating shaft (32) is fixedly connected to the bottom output end of the motor (35), and the bidirectional screw (39) is fixedly connected to the bottom output end of the micro motor (391).

3. The clamping device for a CNC machine tool according to claim 1, characterized in that: The protective housing (31), the main shaft (36), the second driving gear (37), the mounting frame (38), the bidirectional screw (39), the micro motor (391), the slider (301), the mounting plate (302), the extension arm (303), the clamping block (304) and the anti-slip pad (305) are symmetrically distributed at the left and right ends of the bottom of the workbench (1).

4. The clamping device for a CNC machine tool according to claim 1, wherein: The adjusting mechanism (4) comprises an adjusting slot (41), the adjusting slot (41) is opened on the top surface of the workbench (1), a partition (42) is fixedly connected to the bottom of the workbench (1), the left and right ends of the partition (42) are fixedly connected to telescopic rods (43), one end of the telescopic rod (43) away from the partition (42) is fixedly connected to a connecting block (44), the top of the connecting block (44) is fixedly connected to a support rod (45), the top of the support rod (45) is fixedly connected to an electric slide rail (46), the top of the electric slide rail (46) is slidably connected to a sliding block (47), and the outer end of the electric slide rail (46) is installed with a control motor (48).

5. The clamping device for a CNC machine tool according to claim 4, characterized in that: The electric slide rail (46), the sliding block (47) and the control motor (48) are provided in two groups, and the electric slide rail (46), the sliding block (47) and the control motor (48) are all provided on the top of the workbench (1).

6. The clamping device for a CNC machine tool according to claim 4, characterized in that: The support rod (45) is arranged inside the adjustment groove (41), and the top of the support rod (45) is slidably connected to the inside of the adjustment groove (41).

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