Lifting device for maintenance of numerical control machine tool

Abstract

The utility model relates to the technical field of maintenance of numerical control machine tools, and discloses a lifting device for maintenance of a numerical control machine tool, which comprises a base, universal wheels are fixedly connected to the bottom of the base, a fixing mechanism is arranged on the top of the base, a lifting mechanism is arranged on the back of the base, and the fixing mechanism comprises a moving assembly and a positioning assembly. The moving assembly is arranged on the top of the base, and the positioning assembly is arranged on the left side of the base. After the device is moved to a designated position through a fixing mechanism, a second crank is rotated to enable a first screw to rotate, rotation of the first screw enables a positioning plate to move downwards, the bottom of the positioning plate is attached to the ground, the device is fixed, then a numerical control machine tool is placed on a connecting plate, a first crank is rotated to enable a two-way screw to rotate, and the device is fixed. And the rotation of the bidirectional screw rod enables the two fixing plates to move in opposite directions, and the numerical control machine tool on the connecting plate is clamped and fixed, so that the numerical control machine tool is more stable during maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tool maintenance, in particular to a lifting device for numerical control machine tool maintenance. Background Art

[0002] CNC machine tool is the abbreviation of digital control 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. In the maintenance of CNC machine tools, lifting equipment is required to better improve the maintenance effect.

[0003] According to application number 202221262961.6, a lifting equipment for maintaining CNC machine tools includes a fixed box, a support plate is fixedly connected to the top of the fixed box, a No. 1 threaded rod is rotatably connected inside the support plate, a driving mechanism used in conjunction with the No. 1 threaded rod is provided inside the fixed box, and an internal thread block is threadedly connected to the surface of the No. 1 threaded rod, a No. 1 bearing plate is provided on one side of the fixed box, the No. 1 bearing plate is fixedly connected to the internal thread block through a connecting rod, a No. 2 bearing plate is provided on the side of the No. 1 bearing plate away from the fixed box, an extension mechanism is provided between the No. 1 bearing plate and the No. 2 bearing plate, and supporting feet are equidistantly fixedly connected to the bottom of the fixed box.

[0004] The device has a compact structure and strong practicality. It is provided with a driving mechanism, which can drive the No. 1 threaded rod to rotate, drive the No. 1 bearing plate and the No. 2 bearing plate to perform lifting and lowering operations on the CNC machine tool; it is provided with an extension mechanism, which can increase the distance between the No. 1 bearing plate and the No. 2 bearing plate, so as to facilitate the lifting and lowering operations on CNC machine tools of different lengths. When the device is not used to fix the CNC machine tool during lifting and lowering, it is easy to cause the CNC machine tool to be unstable during lifting and lowering, which is not convenient for maintenance. Utility Model Content

[0005] The purpose of the utility model is to provide a lifting device for maintaining a numerically controlled machine tool, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a lifting device for maintenance of CNC machine tools, comprising a base, a universal wheel is fixedly connected to the bottom of the base, a fixing mechanism is arranged on the top of the base, and a lifting mechanism is arranged on the back of the base;

[0007] The fixing mechanism includes a moving component and a positioning component, wherein the moving component is arranged on the top of the base, and the positioning component is arranged on the left side of the base;

[0008] The moving component includes a first slide groove, which is opened at the top of the base, a first rectangular groove is opened on the right side of the first slide groove, a box body is connected to the first slide groove for sliding up and down, a connecting plate is fixedly connected to the top of the box body, a second slide groove is opened on the top of the connecting plate, a bidirectional screw is rotatably connected to the left and right sides of the second slide groove, a first crank is fixedly connected to the right end of the bidirectional screw, and a fixing plate is symmetrically threaded on the surface of the bidirectional screw.

[0009] Preferably, the right end of the bidirectional screw extends to the right side of the box body, the bottom of the second slide groove extends into the box body, and the bottom end of the fixed plate is slidably connected to the second slide groove to limit the fixed plate so that the two fixed plates can only move toward each other.

[0010] Preferably, the positioning assembly includes a fixed block, which is fixedly connected to the left side of the base, a first screw is provided on the top of the fixed block, a second crank is fixedly connected to the top of the first screw, a positioning plate is rotatably connected to the bottom end of the first screw, and a guide rod is fixedly connected to the left side of the top of the positioning plate symmetrically front and back.

[0011] Preferably, a threaded hole corresponding to the first screw rod is opened on the top of the fixing block, and the fixing block is threadedly connected to the surface of the first screw rod through the threaded hole.

[0012] Preferably, a groove corresponding to the guide rod is formed at the bottom of the fixing block, and the surface of the guide rod is slidably connected to the groove.

[0013] Preferably, the lifting mechanism includes a connecting block, the connecting block is fixedly connected to the back side of the base, a third sliding groove is opened on the front side of the connecting block, a second screw is rotatably connected to the upper and lower sides of the third sliding groove, a fixing frame is threadedly connected to the surface of the second screw, a motor is fixedly connected to the left side of the back side of the base, a first pulley is fixedly connected to the surface of the motor output shaft, second rectangular grooves are opened on the left and right sides of the connecting block near the bottom, a second pulley is fixedly connected to the surface of the second screw near the bottom, and a belt is sleeved between the first pulley and the second pulley.

[0014] Preferably, the rear end of the fixing frame is slidably connected to the third sliding groove to limit the fixing frame so that the fixing frame can only move up and down, and the fixing frame is fixedly connected to the surface of the connecting plate.

[0015] Compared with the prior art, the utility model provides a lifting device for CNC machine tool maintenance, which has the following beneficial effects:

[0016] 1. The lifting device for repairing CNC machine tools is moved to the specified position through the fixing mechanism, and then the second crank is turned to rotate the first screw. The rotation of the first screw will move the positioning plate downward so that the bottom of the positioning plate is in contact with the ground to fix the device. Then, the CNC machine tool is placed on the connecting plate, and the first crank is turned to rotate the bidirectional screw. The rotation of the bidirectional screw will cause the two fixing plates to move toward each other, clamping and fixing the CNC machine tool on the connecting plate, so that the CNC machine tool is more stable during maintenance.

[0017] 2. The lifting device for repairing CNC machine tools starts the motor through the lifting mechanism to rotate the first pulley, and the first pulley rotates the second pulley through the cooperation of the belt, thereby rotating the second screw rod. The rotation of the second screw rod will move the fixed frame upward, thereby moving the connecting plate and the CNC machine tool upward, which is convenient for repairing the CNC machine tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of 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 creative labor:

[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the mobile component of the structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the top of the structural connecting plate of the utility model;

[0022] Figure 4 This is a schematic diagram of the structural positioning assembly of the utility model;

[0023] Figure 5 This is a schematic diagram of the structural positioning plate of the utility model;

[0024] Figure 6 This is a schematic diagram of the lifting mechanism of the utility model structure;

[0025] Figure 7 This is a schematic diagram of the back side of the base structure of the utility model;

[0026] Figure 8 It is a schematic cross-sectional view of the bottom right side of the structural connecting block of the utility model.

[0027] In the figure: 1. base; 2. universal wheel; 3. fixing mechanism; 31. moving assembly; 311. first slide groove; 312. first rectangular groove; 313. box body; 314. connecting plate; 315. second slide groove; 316. bidirectional screw; 317. first crank; 318. fixing plate; 32. positioning assembly; 321. fixing block; 322. first screw; 323. second crank; 324. positioning plate; 325. guide rod; 4. lifting mechanism; 41. connecting block; 42. third slide groove; 43. second screw; 44. fixing frame; 45. motor; 46. first pulley; 47. belt; 48. second rectangular groove; 49. second pulley. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The utility model provides the following technical solutions:

[0031] Embodiment 1

[0032] See also Figure 1-5 The utility model provides a technical solution: a lifting device for maintenance of CNC machine tools, comprising a base 1, a universal wheel 2 is fixedly connected to the bottom of the base 1, a fixing mechanism 3 is arranged on the top of the base 1, and a lifting mechanism 4 is arranged on the back of the base 1;

[0033] The fixing mechanism 3 includes a moving component 31 and a positioning component 32. The moving component 31 is arranged on the top of the base 1, and the positioning component 32 is arranged on the left side of the base 1.

[0034] The moving component 31 includes a first slide groove 311, the first slide groove 311 is opened on the top of the base 1, a first rectangular groove 312 is opened on the right side of the first slide groove 311, a box body 313 is slidably connected to the first slide groove 311, a connecting plate 314 is fixedly connected to the top of the box body 313, a second slide groove 315 is opened on the top of the connecting plate 314, a bidirectional screw rod 316 is rotatably connected to the left and right sides of the second slide groove 315, a first crank handle 317 is fixedly connected to the right end of the bidirectional screw rod 316, and a fixing plate 318 is symmetrically threadedly connected to the surface of the bidirectional screw rod 316.

[0035] The right end of the bidirectional screw 316 extends to the right side of the box body 313, the bottom of the second slide groove 315 extends into the box body 313, and the bottom end of the fixed plate 318 is slidably connected in the second slide groove 315 to limit the fixed plate 318 so that the two fixed plates 318 can only move towards each other.

[0036] The positioning assembly 32 includes a fixed block 321, which is fixedly connected to the left side of the base 1. A first screw rod 322 is arranged on the top of the fixed block 321. A second crank 323 is fixedly connected to the top of the first screw rod 322. A positioning plate 324 is rotatably connected to the bottom end of the first screw rod 322. A guide rod 325 is fixedly connected to the left side of the top of the positioning plate 324 symmetrically front and back.

[0037] A threaded hole corresponding to the first screw rod 322 is formed on the top of the fixing block 321 , and the fixing block 321 is threadedly connected to the surface of the first screw rod 322 through the threaded hole.

[0038] A groove corresponding to the guide rod 325 is formed at the bottom of the fixing block 321 , and the surface of the guide rod 325 is slidably connected in the groove.

[0039] Embodiment 2

[0040] See also Figure 6-8 , and on the basis of the first embodiment, a lifting mechanism 4 is further obtained.

[0041] The lifting mechanism 4 includes a connecting block 41, which is fixedly connected to the back of the base 1. A third slide groove 42 is provided on the front of the connecting block 41. A second screw rod 43 is rotatably connected to the upper and lower sides of the third slide groove 42. A fixing frame 44 is threadedly connected to the surface of the second screw rod 43. A motor 45 is fixedly connected to the left side of the back of the base 1. A first pulley 46 is fixedly connected to the surface of the output shaft of the motor 45. Second rectangular grooves 48 are provided on the left and right sides of the connecting block 41 near the bottom. A second pulley 49 is fixedly connected to the surface of the second screw rod 43 near the bottom. A belt 47 is sleeved between the first pulley 46 and the second pulley 49.

[0042] The rear end of the fixed frame 44 is slidably connected to the third sliding groove 42 to limit the fixed frame 44 so that the fixed frame 44 can only move up and down. The fixed frame 44 is fixedly connected to the surface of the connecting plate 314.

[0043] In actual operation, when the device is used, after the device is moved to a designated position, the second crank 323 is rotated to rotate the first screw 322. The rotation of the first screw 322 causes the positioning plate 324 to move downward, so that the bottom of the positioning plate 324 is in contact with the ground, and the device is fixed. Then, the CNC machine tool is placed on the connecting plate 314, and the first crank 317 is rotated to rotate the bidirectional screw 316. The rotation of the bidirectional screw 316 causes the two fixing plates 318 to move toward each other, clamping and fixing the CNC machine tool on the connecting plate 314, so that the CNC machine tool is more stable during maintenance.

[0044] Start the motor 45 to rotate the first pulley 46, and the first pulley 46 rotates the second pulley 49 through the cooperation of the belt 47, thereby rotating the second screw 43. The rotation of the second screw 43 will cause the fixed frame 44 to move upward, thereby moving the connecting plate 314 and the CNC machine tool upward, which is convenient for the maintenance of the CNC machine tool.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A lifting device for maintenance of numerically controlled machine tools, comprising a base (1), characterized in that: The bottom of the base (1) is fixedly connected to a universal wheel (2), the top of the base (1) is provided with a fixing mechanism (3), and the back of the base (1) is provided with a lifting mechanism (4); The fixing mechanism (3) comprises a moving component (31) and a positioning component (32), wherein the moving component (31) is arranged on the top of the base (1), and the positioning component (32) is arranged on the left side of the base (1); The moving component (31) comprises a first slide groove (311), wherein the first slide groove (311) is provided at the top of the base (1), a first rectangular groove (312) is provided on the right side of the first slide groove (311), a box body (313) is slidably connected to the first slide groove (311) up and down, a connecting plate (314) is fixedly connected to the top of the box body (313), a second slide groove (315) is provided on the top of the connecting plate (314), a bidirectional screw rod (316) is rotatably connected to the left and right sides of the second slide groove (315), a first crank handle (317) is fixedly connected to the right end of the bidirectional screw rod (316), and a fixing plate (318) is symmetrically threadedly connected to the surface of the bidirectional screw rod (316) on the left and right sides.

2. The lifting device for maintenance of CNC machine tools according to claim 1, characterized in that: The right end of the bidirectional screw (316) extends to the right side of the box body (313), the bottom of the second slide groove (315) extends into the box body (313), and the bottom end of the fixed plate (318) is slidably connected in the second slide groove (315).

3. The lifting device for maintenance of CNC machine tools according to claim 1, characterized in that: The positioning assembly (32) comprises a fixed block (321), the fixed block (321) is fixedly connected to the left side of the base (1), a first screw rod (322) is arranged on the top of the fixed block (321), a second crank (323) is fixedly connected to the top of the first screw rod (322), a positioning plate (324) is rotatably connected to the bottom of the first screw rod (322), and a guide rod (325) is fixedly connected to the left side of the top of the positioning plate (324) in a front-to-back symmetrical manner.

4. The lifting device for maintenance of CNC machine tools according to claim 3 is characterized in that: A threaded hole corresponding to the first screw rod (322) is provided on the top of the fixing block (321), and the fixing block (321) is threadedly connected to the surface of the first screw rod (322) through the threaded hole.

5. The lifting device for maintenance of CNC machine tools according to claim 3 is characterized in that: A groove corresponding to the guide rod (325) is formed at the bottom of the fixing block (321), and the surface of the guide rod (325) is slidably connected in the groove.

6. The lifting device for maintenance of CNC machine tools according to claim 1, characterized in that: The lifting mechanism (4) comprises a connecting block (41), the connecting block (41) is fixedly connected to the back of the base (1), the front of the connecting block (41) is provided with a third slide groove (42), the upper and lower sides of the third slide groove (42) are rotatably connected with a second screw rod (43), the surface of the second screw rod (43) is threadedly connected with a fixing frame (44), the left side of the back of the base (1) is fixedly connected with a motor (45), the surface of the output shaft of the motor (45) is fixedly connected with a first pulley (46), the left and right sides of the connecting block (41) are provided with second rectangular grooves (48) near the bottom, the surface of the second screw rod (43) is fixedly connected with a second pulley (49) near the bottom, and a belt (47) is sleeved between the first pulley (46) and the second pulley (49).

7. The lifting device for maintenance of CNC machine tools according to claim 6, characterized in that: The rear end of the fixing frame (44) is slidably connected to the third sliding groove (42), and the fixing frame (44) is fixedly connected to the surface of the connecting plate (314).

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