CN220463095U

CN220463095U - Automatic gap eliminating structure for rack of numerical control machine tool

Info

Publication number: CN220463095U
Application number: CN202321830562.XU
Authority: CN
Inventors: 胡文军; 吴庆超; 马关成; 贠清奎
Original assignee: Anyang Putefei Machine Tool Co ltd
Current assignee: Anyang Putefei Machine Tool Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-02-09
Anticipated expiration: 2033-07-12

Abstract

The utility model relates to the technical field of numerically-controlled machine tools and discloses an automatic gap eliminating rack structure for a numerically-controlled machine tool. According to the utility model, through the cooperation among the moving part, the translation assembly, the rolling assembly and the connecting assembly, the translation effect of the moving part is realized by utilizing the arrangement of the straight bar and the straight gear in the translation assembly, the error existing in the machining position of a machined part is effectively solved, the engagement mode of the straight gear and the straight bar is adopted to replace the use of a screw rod and a nut, and meanwhile, the gap existing between the screw rod and the nut is eliminated, so that the accuracy of the machining position of a machining tool driven by the moving part is improved, and the machining precision of the machined part is improved.

Description

Automatic gap eliminating structure for rack of numerical control machine tool

Technical Field

The utility model relates to the technical field of numerical control machine tools, in particular to an automatic gap eliminating structure for a rack of a numerical control machine tool.

Background

A numerical control machine is simply called a numerical control machine, and is an automated machine equipped with a program control system that is capable of logically processing a program defined by a control code or other symbolic instruction, decoding the program, representing the program by a coded number, and inputting the program to a numerical control device via an information carrier. The numerical control device sends out various control signals to control the action of the machine tool through operation processing, and parts are automatically machined according to the shape and the size required by the drawing.

However, the movement of the machining tool by the existing numerical control machine tool is realized by matching the screw rod and the nut, and the circumferential rotation of the screw rod is utilized to drive the movement of the nut in the horizontal direction to achieve the translation effect of the machining tool, but in order to facilitate the movement of the machining tool, a gap exists between the screw rod and the nut, and the gap cannot be eliminated, so that an error is generated between the position of the machining tool after the movement and the position to be machined, the accuracy of the machining position of a machined workpiece is influenced by the machining tool, and even the machined workpiece is damaged, so that the quality of the machined workpiece is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an automatic gap eliminating structure for a rack of a numerical control machine tool, which has the advantages of eliminating the gap of screw transmission, improving the machining precision of the numerical control machine tool and reducing the machining scrapping cost of the numerical control machine tool, and solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides an automatic clearance structure that disappears of rack for digit control machine tool, includes the moving part, the back movable mounting of moving part has the backup pad, the inner wall of moving part is provided with translation subassembly, the fixed pivot that has cup jointed of inner wall of translation subassembly, the equal fixed mounting in upper and lower both sides at moving part back has the coupling assembling that is used for connecting the backup pad, the inner wall evenly distributed that moving part one end was kept away from to coupling assembling has rolling assembly, the spacing subassembly that is used for consolidating the moving part and removes the rear position is installed to the outer wall of pivot, the rear end fixed mounting of pivot has the driving motor that is located spacing subassembly rear.

Preferably, the positive upper and lower both sides of backup pad have all been seted up and have been located the outside spout of coupling assembling and rolling element, the outside ring channel of pivot has been seted up to the back of backup pad, the inside activity of ring channel has been cup jointed the dwang, the one end fixed mounting who keeps away from the ring channel has the disc, and the inner wall of disc and the outer wall fixed sleeve of pivot, the back fixed mounting of backup pad has the extension board that is located the disc top, the upper end fixed mounting of extension board has the electric putter, the back fixedly connected with fixed plate of backup pad, and the up end and the lower extreme fixed connection of driving motor of fixed plate.

Preferably, the translation assembly comprises a ruler strip, the lower end face of the ruler strip is fixedly connected with the bottom face of the inner wall of the moving part, one end, away from the moving part, of the ruler strip is meshed with a spur gear, and the inner wall of the spur gear is fixedly sleeved with the outer wall of the rotating shaft.

Preferably, the connecting assembly comprises a cross rod fixedly connected with the back of the moving part, a vertical rod is fixedly arranged at one end of the cross rod, which is far away from the moving part, and a groove positioned outside the rolling assembly is formed in one side of the vertical rod.

Preferably, the rolling assembly comprises a round rod and a roller, wherein the outer wall of the round rod is movably sleeved with the inner wall of the roller, and the front end and the rear end of the round rod are fixedly sleeved with the inner walls of the front side and the rear side of the vertical rod respectively.

Preferably, the limiting assembly comprises a limiting gear, the inner wall of the limiting gear is fixedly sleeved with the outer wall of the rotating shaft, a triangular clamping block is movably clamped between two adjacent teeth on the limiting gear, and the upper end face of the triangular clamping block is fixedly connected with the lower end of the output shaft of the electric push rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the cooperation among the moving part, the translation assembly, the rolling assembly and the connecting assembly, the translation effect of the moving part is realized by utilizing the arrangement of the straight bar and the straight gear in the translation assembly, the error existing in the machining position of a machined part is effectively solved, the engagement mode of the straight gear and the straight bar is adopted to replace the use of a screw rod and a nut, and meanwhile, the gap existing between the screw rod and the nut is eliminated, so that the accuracy of the machining position of a machining tool driven by the moving part is improved, and the machining precision of the machined part is improved.

2. According to the utility model, through the cooperation among the moving part, the translation assembly, the limiting assembly and the rotating shaft, the reinforcement effect on the rotating shaft is realized by utilizing the arrangement of the limiting assembly, the problem that the moving part moves under the action of external force is effectively solved, and the limiting mode of the limiting assembly on the moving state of the moving part is adopted to prevent the moving part from shaking caused by the external force, so that the stability of the moving part during processing is reinforced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a rear view of the spacing assembly of the present utility model;

FIG. 3 is a cross-sectional view of a translation assembly of the present utility model;

FIG. 4 is a rear view of the drive motor of the present utility model;

fig. 5 is a rear view of the connection assembly of the present utility model.

In the figure: 1. a moving member; 2. a support plate; 3. a translation assembly; 301. a ruler strip; 302. spur gears; 4. a rotating shaft; 5. a connection assembly; 501. a cross bar; 502. a vertical rod; 503. a groove; 6. a rolling assembly; 601. a round bar; 602. a roller; 7. a limit component; 701. a limit gear; 702. triangular clamping blocks; 8. a driving motor; 9. a chute; 10. an annular groove; 11. a rotating lever; 12. a disc; 13. an extension plate; 14. an electric push rod; 15. and a fixing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 4, an automatic gap eliminating rack structure for a numerical control machine tool comprises a moving member 1, wherein a processing cutter is connected to the front of the moving member 1 through bolts, the moving member 1 moves while driving the processing cutter to move at the same time, so as to process a workpiece, a supporting plate 2 is movably arranged on the back of the moving member 1, the supporting plate 2 is arranged to provide a support and a platform for the moving and installation of the moving member 1, a translation assembly 3 is arranged on the inner wall of the moving member 1, the movement of the translation assembly 3 provides power for the horizontal movement of the moving member 1 in front of the supporting plate 2, a rotating shaft 4 is fixedly sleeved on the inner wall of the translation assembly 3, the rotation of the rotating shaft 4 provides power for the movement of the translation assembly 3, a connecting assembly 5 for connecting the supporting plate 2 is fixedly arranged on the upper side and the lower side of the back of the moving member 1, the connecting assembly 5 is arranged to provide a platform for the installation of a rolling assembly 6, the inner wall evenly distributed that connecting assembly 5 kept away from moving piece 1 one end has rolling subassembly 6, the stability of moving piece 1 when removing has been consolidated in the setting of translation subassembly 6, the clearance that produces when also having reduced moving piece 1 and backup pad 2 motion simultaneously, spacing subassembly 7 that is used for consolidating the position behind moving piece 1 removal is installed to the outer wall of pivot 4, spacing subassembly 7's setting has restricted the hookup location of moving piece 1, prevent the removal of moving piece 1 emergence position under the effect of external force, the machining precision of moving piece 1 has been improved in the reinforcement of moving piece 1, the rear end fixed mounting of pivot 4 has the driving motor 8 that is located spacing subassembly 7 rear, driving motor 8's installation provides power for the rotation of pivot 4, and still be provided with the reduction gear on the driving motor 8, play the regulation to pivot 4 rotational speed.

The positive upper and lower both sides of backup pad 2 have all been seted up and have been located coupling assembling 5 and the outside spout 9 of rolling element 6, the seting up of spout 9 provides the space for coupling assembling 5 and rolling element 6's motion, the outside ring channel 10 of being located pivot 4 has been seted up to the back of backup pad 2, the seting up of ring channel 10 provides the space for the installation and the motion of dwang 11, the inside activity of ring channel 10 has cup jointed dwang 11, the installation of dwang 11 provides the platform for the installation of disc 12, the one end fixed mounting that dwang 11 kept away from ring channel 10 has disc 12, and the inner wall of disc 12 cup joints with the outer wall of pivot 4 is fixed, the back fixed mounting of backup pad 2 has extension board 13 that is located disc 12 top, the setting of extension board 13 plays to be connected with electric push rod 14 to backup pad 2, the upper end fixed mounting of extension board 13 has electric push rod 14, the installation of electric push rod 14 utilizes the position of its inside output shaft's flexible control limiting component in the subassembly 7, the back fixedly connected with fixed plate 15 of backup pad 2, the setting up of fixed plate 15 provides the platform for driving motor 8, and the up end of fixed plate 15 and driving motor 8 is fixed connection.

Referring to fig. 3 and 5, the translation assembly 3 includes a straight ruler 301, wherein the movement of the straight ruler 301 provides power for the horizontal movement of the moving member 1, the lower end surface of the straight ruler 301 is fixedly connected with the bottom surface of the inner wall of the moving member 1, one end of the straight ruler 301 away from the moving member 1 is meshed with a straight gear 302, the circumferential rotation of the straight gear 302 provides power for the horizontal movement of the straight ruler 301, the inner wall of the straight gear 302 is fixedly sleeved with the outer wall of the rotating shaft 4, and the rotation of the rotating shaft 4 provides power for the rotation of the straight gear 302.

The connecting assembly 5 comprises a cross rod 501 fixedly connected with the back surface of the moving part 1, the cross rod 501 is connected with the vertical rod 502 and the moving part 1, the vertical rod 502 is fixedly arranged at one end of the cross rod 501 away from the moving part 1, a space is provided for the installation of the vertical rod 502 by the groove 503, a groove 503 positioned outside the rolling assembly 6 is provided at one side of the vertical rod 502, and a space is provided for the movement of the rolling assembly 6 by the groove 503.

Referring to fig. 5 and fig. 2, the rolling assembly 6 includes a round bar 601 and a roller 602, wherein an outer wall of the round bar 601 is movably sleeved with an inner wall of the roller 602, a platform is provided for installing the roller 602 by installing the round bar 601, front and rear ends of the round bar 601 are fixedly sleeved with inner walls of front and rear sides of the vertical bar 502 respectively, and a platform is provided for installing the round bar 601 by installing the vertical bar 502.

The limiting assembly 7 comprises a limiting gear 701, the inner wall of the limiting gear 701 is fixedly sleeved with the outer wall of the rotating shaft 4, a triangular clamping block 702 is movably clamped between two adjacent teeth on the limiting gear 701, the triangular clamping block 702 is movably clamped in a connecting mode, when the triangular clamping block 702 is separated from the limiting gear 701, the moving piece 1 is easy to move under the action of external force, and when the triangular clamping block 702 is clamped with the limiting gear 701, the stability of the moving piece 1 is reinforced, and the upper end face of the triangular clamping block 702 is fixedly connected with the lower end of an output shaft of the electric push rod 14.

Working principle: when the electric push rod 14 is used, the power supply of the electric push rod 14 is started, the triangular clamping block 702 moves upwards by utilizing the retraction of the output shaft inside the electric push rod 14, the power supply of the electric push rod 14 can be closed by separating the triangular clamping block 702 from the limiting gear 701, then, the power supply of the driving motor 8 is started, the driving motor 8 drives the rotating shaft 4 to rotate after being started, at the moment, the rotation of the limiting gear 701 is not limited by the triangular clamping block 702, the rotating shaft 4 rotates and drives the spur gear 302 to rotate, the spur gear 302 rotates circumferentially and simultaneously drives the straight ruler 301 to move in the horizontal direction, the straight ruler 301 moves and simultaneously drives the moving part 1 to move horizontally in front of the supporting plate 2, then, the moving part 1 moves and simultaneously drives the rolling assembly 6 and the connecting assembly 5 to move inside the sliding groove 9, at the moment, the rolling wheel 602 rolls inside the groove 503, and finally, when the moving part 1 moves to a processing position, the power supply of the electric push rod 14 is started again, so that the triangular clamping block 702 is clamped between two adjacent teeth of the limiting gear 701, the reinforcing of the moving part 1 can be realized, and the influence on processing precision is prevented after the moving part 1 shakes under the action of external force.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the present utility model, the filling pattern is only for distinguishing the layers, and is not limited in any way.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A automatic clearance structure that disappears of rack for digit control machine tool, includes moving part (1), its characterized in that: the utility model discloses a movable support device for a mobile device, including a movable support plate (2), a movable support plate (1), a movable support plate (6), a movable support plate (1) and a movable support plate (1), wherein the movable support plate (2) is movably mounted on the back of the movable support plate, a translation assembly (3) is arranged on the inner wall of the movable support plate (1), a rotating shaft (4) is fixedly sleeved on the inner wall of the translation assembly (3), a connecting assembly (5) for connecting the support plate (2) is fixedly mounted on the upper side and the lower side of the back of the movable support plate, rolling assemblies (6) are uniformly distributed on the inner wall of the connecting assembly (5) far away from one end of the movable support plate (1), a limiting assembly (7) for reinforcing the movable support plate (1) in a moving position is mounted on the outer wall of the rotating shaft (4), and a driving motor (8) positioned behind the limiting assembly (7) is fixedly mounted on the rear end of the rotating shaft (4).

2. The automatic gap eliminating rack structure for numerically controlled machine tool according to claim 1, wherein: the utility model discloses a motor, including backup pad (2), including annular groove (10), rotary rod (11), extension board (13) that are located disc (12) top are fixed to the back fixed mounting of backup pad (2), connecting subassembly (5) and outside spout (9) of rolling subassembly (6) have all been seted up to the positive upper and lower both sides of backup pad (2), annular groove (10) that are located pivot (4) outside are seted up to the back of backup pad (2), the inside activity of annular groove (10) has cup jointed dwang (11), the one end fixed mounting of annular groove (10) is kept away from to dwang (11) has disc (12), and the inner wall of disc (12) is fixed cup jointed with the outer wall of pivot (4), the back fixed mounting of backup pad (2) has extension board (13) that are located disc (12), the upper end fixed mounting of extension board (13) has electric push rod (14), the back fixedly connected with fixed plate (15) of backup pad (2), and the up end of fixed plate (15) and the lower extreme fixed connection of driving motor (8).

3. The automatic gap eliminating rack structure for numerically controlled machine tool according to claim 1, wherein: the translation assembly (3) comprises a straight ruler strip (301), the lower end face of the straight ruler strip (301) is fixedly connected with the bottom face of the inner wall of the moving part (1), one end, away from the moving part (1), of the straight ruler strip (301) is meshed with a straight gear (302), and the inner wall of the straight gear (302) is fixedly sleeved with the outer wall of the rotating shaft (4).

4. The automatic gap eliminating rack structure for numerically controlled machine tool according to claim 1, wherein: the connecting assembly (5) comprises a cross rod (501) fixedly connected with the back surface of the moving part (1), a vertical rod (502) is fixedly installed at one end, far away from the moving part (1), of the cross rod (501), and a groove (503) positioned outside the rolling assembly (6) is formed in one side of the vertical rod (502).

5. The automatic gap eliminating rack structure for numerically controlled machine tool according to claim 1, wherein: the rolling assembly (6) comprises a round rod (601) and a roller (602), wherein the outer wall of the round rod (601) is movably sleeved with the inner wall of the roller (602), and the front end and the rear end of the round rod (601) are fixedly sleeved with the inner walls of the front side and the rear side of the vertical rod (502) respectively.

6. The automatic gap eliminating rack structure for numerically controlled machine tool according to claim 1, wherein: the limiting assembly (7) comprises a limiting gear (701), the inner wall of the limiting gear (701) is fixedly sleeved with the outer wall of the rotating shaft (4), a triangular clamping block (702) is movably clamped between two adjacent teeth on the limiting gear (701), and the upper end face of the triangular clamping block (702) is fixedly connected with the lower end of the output shaft of the electric push rod (14).