Lifting mechanism of machine tool operation box and machine tool

Abstract

The utility model discloses a lifting mechanism of a machine tool operation box and a machine tool, the lifting mechanism comprises a limiting piece, a first connecting pipe used for being fixedly connected with the operation box and a second connecting pipe used for being fixedly connected with a machine frame, and the first connecting pipe can move up and down relative to the second connecting pipe. A rotatable first bevel gear and a rotatable second bevel gear are arranged in the first connecting pipe, the first bevel gear is meshed with the second bevel gear, a shaft of the first bevel gear rotatably penetrates through the pipe wall of the first connecting pipe, the second bevel gear is fixedly connected with a screw rod, and a nut is assembled at the end, close to the first connecting pipe, of the second connecting pipe. The screw rod rotatably penetrates through the nut and extends into the second connecting pipe, and the limiting piece is arranged between the first connecting pipe and the second connecting pipe to limit circumferential rotation of the second connecting pipe relative to the first connecting pipe so as to drive a shaft of the first bevel gear to rotate through external force, and then the screw rod is driven to ascend and descend. And the height of the operation box can be adjusted according to different heights of operators.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool technical field, especially machine tool operating box's lifting mechanism and machine tool. BACKGROUND

[0002] At present, the height of machine tool operating box is generally fixed, that is, only suitable for the operating personnel in a certain height range, but for the operating personnel not in this height range, the height of operating box cannot be freely adjusted, resulting in that the height of part of operating personnel does not match the height of operating box, thus causing discomfort and fatigue when operating on the operating panel of operating box, and further causing part of operating personnel unable to work for a long time. SUMMARY

[0003] Therefore, the utility model provides a machine tool operating box's lifting mechanism and machine tool, which can adjust the height of machine tool operating box according to the different height of operating personnel.

[0004] To achieve the above purpose, the utility model provides the technical scheme as follows:

[0005] The utility model provides a machine tool operating box's lifting mechanism, including spacing piece, first connecting pipe for fixed connection operating box and second connecting pipe for fixed connection machine tool frame, first connecting pipe is set up to second connecting pipe for up, down movement, first connecting pipe is provided with rotatable first bevel gear and second bevel gear, first bevel gear is engaged in second bevel gear, and the axle of first bevel gear is rotatable and passes through the pipe wall of first connecting pipe, second bevel gear is fixedly connected with a screw rod, the one end of second connecting pipe is equipped with nut close to first connecting pipe, and the screw rod is rotatable and passes through nut and extends into second connecting pipe, spacing piece is arranged between first connecting pipe and second connecting pipe to limit the circumferential rotation of second connecting pipe relative to first connecting pipe.

[0006] Further, the first connecting pipe is an outer pipe, and the second connecting pipe is an inner pipe; the inner wall of the first connecting pipe has an installation wall extending inwardly and protruding; the inner cavity of the first connecting pipe is spaced into a first cavity and a second cavity arranged in an upper and lower manner by the installation wall; the first bevel gear and the second bevel gear are located in the first cavity, and the second bevel gear is rotatably assembled to the installation wall; the second connecting pipe is gap-set and inserted into the second cavity; the end of the screw rod away from the second bevel gear passes through the installation wall and extends into the second cavity, and then passes through the nut and extends into the second connecting pipe.

[0007] Further, the second bevel gear is assembled to the mounting wall through a first bearing, and the screw is provided with an end away from the second bevel gear and penetrates through the first bearing.

[0008] Further, the limiting member is a limiting rod, the first connecting pipe and the second connecting pipe are square pipes, and the two ends of the limiting rod penetrate through the pipe wall of the second connecting pipe respectively and slide against the inner wall of the first connecting pipe respectively to limit the circumferential rotation of the second connecting pipe relative to the first connecting pipe.

[0009] Further, at least the outward end of the shaft of the first bevel gear is provided with a connecting hole for connecting a hand lever to drive the first bevel gear to rotate.

[0010] Further, the two ends of the shaft of the first bevel gear are assembled to the pipe wall of the first connecting pipe through second bearings respectively.

[0011] The utility model provides a machine tool at least includes the lifting mechanism of machine tool operating box.

[0012] Through the technical scheme provided by the utility model, the following beneficial effects are achieved:

[0013] The shaft of the first bevel gear is driven to rotate by external force, so as to drive the first bevel gear to rotate, the second bevel gear is driven to rotate by the first bevel gear, the screw is driven to rotate in the nut by the second bevel gear, the nut is fixed to the second connecting pipe and the limiting member limits the circumferential rotation of the second connecting pipe relative to the first connecting pipe, so that the screw is lifted and lowered under the thread limitation of the nut, and the first connecting pipe, the first bevel gear and the second bevel gear are synchronously lifted and lowered, so that the height of the machine tool operating box can be freely adjusted according to different heights of operators, and the operators can work on the operation panel of the operating box for a long time without fatigue. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 shows the appearance of the lifting mechanism of the machine tool operating box in embodiment one;

[0015] Figure 2 Fig. 2 shows the cross-sectional view of the lifting mechanism of the machine tool operating box in embodiment one;

[0016] Figure 3 Fig. 3 shows the enlarged schematic view of area A in Fig. 1. Figure 2 DETAILED DESCRIPTION

[0017] ​To further illustrate the embodiments, the present application provides the accompanying drawings. These drawings are part of the disclosure of the present application, which are mainly used to illustrate the embodiments, and can be combined with the related description of the specification to explain the operating principle of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementations and the advantages of the present application. The components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0018] The present application will be further described in conjunction with the drawings and specific embodiments.

[0019] Embodiment one

[0020] Referring to Figures 1 to 3 Fig. 1, embodiment one provides a lifting mechanism of a machine tool operating box (hereinafter referred to as lifting mechanism) for adjusting the height of the operating box 1.

[0021] The lifting mechanism of the present embodiment comprises a limiting piece 9, a first connecting pipe 3 for fixedly connecting the operating box 1, and a second connecting pipe 4 for fixedly connecting the rack 2 of the machine tool, the first connecting pipe 3 is movably arranged relative to the second connecting pipe 4 to drive the operating box 1 to rise and fall.

[0022] The first connecting pipe 3 is provided with a rotatable first bevel gear 7 and a second bevel gear 8, the first bevel gear 7 is engaged with the second bevel gear 8, and the center of the first bevel gear 7 has a connecting shaft, which is the shaft of the first bevel gear 7, the shaft of the first bevel gear 7 rotatably penetrates the pipe wall of the first connecting pipe 3, the second bevel gear 8 is fixedly connected with a screw rod 5, the second connecting pipe 4 is provided with a nut 6 near the upper end of the first connecting pipe 3, the screw rod 5 rotatably penetrates the nut 6 and extends into the second connecting pipe 4, and the limiting piece 9 is arranged between the first connecting pipe 3 and the second connecting pipe 4 to limit the circumferential rotation of the second connecting pipe 4 relative to the first connecting pipe 3.

[0023] In the present embodiment, the first connecting pipe 3 is an outer pipe, and the second connecting pipe 4 is an inner pipe. Of course, in other embodiments, the first connecting pipe 3 can be an inner pipe, and the second connecting pipe 4 can be an outer pipe.

[0024] As Figure 2 and Figure 3As shown, the inner wall of the first connecting pipe 3 has an installation wall 31 extending inwardly and protruding, the inner cavity of the first connecting pipe 3 is spaced by the installation wall 31 into an upper cavity and a lower cavity arranged in an upper and lower manner, the first bevel gear 7 and the second bevel gear 8 are both located in the first cavity, and the second bevel gear 8 is rotatably assembled to the installation wall 31 through the first bearing 10, the second connecting pipe 4 is arranged in a gap and inserted into the second cavity, the lower end of the screw rod 5 away from the second bevel gear 8 passes through the first bearing 10 and the installation wall 31 and extends into the second cavity, and then passes through the nut 6 and extends into the second connecting pipe 4.

[0025] More specifically, the limiting member 9 is a limiting rod, the first connecting pipe 3 and the second connecting pipe 4 are both square pipes, and the two ends of the two limiting rods are respectively threaded through the pipe wall of the second connecting pipe 4 and are respectively slidably abutted against the inner wall of the first connecting pipe 3, so as to limit the circumferential rotation of the second connecting pipe 4 relative to the first connecting pipe 3. Of course, in other embodiments, the limiting member 9 can also be a sliding pin, the pipe wall of the first connecting pipe 3 is provided with a sliding groove matched with the sliding block, and the second connecting pipe 4 is fixed with a sliding pin, and the sliding pin is slidably assembled in the sliding groove, so that the first connecting pipe 3 can only move up and down relative to the second connecting pipe 4, and will not rotate circumferentially.

[0026] In specific implementation, the two ends of the shaft of the first bevel gear 7 are respectively assembled to the pipe wall of the first connecting pipe 3 through the second bearing.

[0027] As shown, Figure 1 At least one outward end of the shaft of the first bevel gear 7 is provided with a connecting hole 71 for connecting a hand lever, so as to drive the rotation of the first bevel gear 7.

[0028] When it is necessary to adjust the height of the operation box 1, the hand lever is inserted into the connecting hole 71, and the shaft of the first bevel gear 7 is driven to rotate in a forward or reverse direction by force, so as to realize that the shaft of the first bevel gear 7 is driven to rotate in a corresponding rotation direction by external force, so as to drive the rotation of the first bevel gear 7, the second bevel gear 8 is driven to rotate by the first bevel gear 7, the screw rod 5 is rotated in the nut 6 by the second bevel gear 8, and the nut 6 is fixed to the second connecting pipe 4, and the limiting member 9 limits the circumferential rotation of the second connecting pipe 4 relative to the first connecting pipe 3, so as to realize that the screw rod 5 is raised or lowered under the thread limitation of the nut 6, and in turn synchronously drives the first connecting pipe 3, the first bevel gear 7 and the second bevel gear 8 to be raised or lowered, that is, the operation box 1 is also raised or lowered to the operation height suitable for the workers of different heights, so that the height of the machine tool operation box 1 can be freely adjusted according to the different heights of the workers, and in turn the workers can work on the operation panel of the operation box 1 for a long time without fatigue.

[0029] Of course, in other embodiments, the shaft of the first bevel gear 7 can also be connected to a transmission assembly composed of a driving motor, so as to replace the hand lever as a driving force.

[0030] Embodiment Two

[0031] Embodiment Two provides a machine tool comprising at least the lifting mechanism of the machine tool operating box of Embodiment One.

[0032] Although the present application is specifically shown and described herein in connection with the preferred embodiments, it is understood that various modifications in form and detail can be made without departing from the spirit and scope of the application as defined by the appended claims.

Claims

1. A lifting mechanism for a machine tool control box, characterized in that: It includes a limiting component, a first connecting pipe for fixing the operation box, and a second connecting pipe for fixing the machine tool frame; The first connecting pipe is movable up and down relative to the second connecting pipe. The first connecting pipe is provided with a rotatable first bevel gear and a second bevel gear. The first bevel gear meshes with the second bevel gear, and the shaft of the first bevel gear rotatably passes through the wall of the first connecting pipe. The second bevel gear is fixedly connected to a screw. A nut is fitted to one end of the second connecting pipe near the first connecting pipe. The screw rotatably passes through the nut and extends into the second connecting pipe. The limiting member is disposed between the first connecting pipe and the second connecting pipe to restrict the circumferential rotation of the second connecting pipe relative to the first connecting pipe.

2. The lifting mechanism of the machine tool control box according to claim 1, characterized in that: The first connecting pipe is an outer pipe, and the second connecting pipe is an inner pipe; the inner wall of the first connecting pipe has an inwardly protruding mounting wall, and the inner cavity of the first connecting pipe is divided into a first cavity and a second cavity arranged vertically by the mounting wall. The first bevel gear and the second bevel gear are both located in the first cavity, and the second bevel gear is rotatably mounted on the mounting wall. The second connecting pipe is inserted into the second cavity with a gap. The end of the screw away from the second bevel gear passes through the mounting wall and extends into the second cavity, then passes through the nut and extends into the second connecting pipe.

3. The lifting mechanism of the machine tool control box according to claim 2, characterized in that: The second bevel gear is assembled to the mounting wall via the first bearing, and the end of the screw opposite to the second bevel gear passes through the first bearing.

4. The lifting mechanism of the machine tool control box according to claim 1, characterized in that: The limiting component is a limiting rod. Both the first connecting pipe and the second connecting pipe are square tubes. The two ends of the limiting rod pass through the wall of the second connecting pipe and slide against the inner wall of the first connecting pipe to restrict the circumferential rotation of the second connecting pipe relative to the first connecting pipe.

5. The lifting mechanism of the machine tool control box according to claim 4, characterized in that: The first bevel gear has a connecting hole at at least one outward end of its shaft for connecting a hand crank to drive the first bevel gear to rotate.

6. The lifting mechanism of the machine tool control box according to any one of claims 1-5, characterized in that: The two ends of the shaft of the first bevel gear are respectively assembled to the wall of the first connecting pipe via the second bearing.

7. A machine tool, characterized in that: It includes at least the lifting mechanism of the machine tool operating box as described in any one of claims 1-6.

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