CN212398821U

CN212398821U - Workbench structure

Info

Publication number: CN212398821U
Application number: CN202020996845.1U
Authority: CN
Inventors: 樊艳龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-01-26
Anticipated expiration: 2030-06-03

Abstract

The utility model belongs to the technical field of machine tools, in particular to a workbench structure, which comprises a machine tool base, at least two guide rails, a movable base, a driving mechanism, a workbench, a limiting connection mechanism and a limiting mechanism; the guide rails are arranged on the machine tool base in parallel; the movable seat is connected to the bottom of the workbench in a sliding manner and is connected with the guide rail; the driving mechanism is arranged in the machine tool seat and connected with the movable seat for driving the movable seat to move; the limiting connecting mechanism is arranged on the workbench or the moving seat and is used for connecting the workbench and the moving seat when the driving mechanism drives the workbench to move; the limiting mechanism is arranged on the machine tool seat and used for limiting the workbench when the driving mechanism drives the movable seat to independently move. The problem of the lathe stroke not enough and need can accomplish work piece whole processing through twice clamping is solved, not only guaranteed to adopt clamping to accomplish processing and reduce the clamping number of times, improved machining efficiency to clamping once has guaranteed that the positioning reference is unanimous, thereby the machining precision of assurance.

Description

Workbench structure

Technical Field

The utility model belongs to the technical field of the lathe, especially, relate to a workbench structure.

Background

The mechanical processing machine tool is the basis of the mechanical industry, and mechanical parts are basically formed by mechanical cutting; at present, mechanical cutting machining and forming of mechanical parts are mainly carried out by turning, milling, drilling, grinding and the like. For drilling, milling and grinding, the workpiece is fixedly arranged on a workbench; the workpiece on the workbench is machined by the transverse movement of the workbench or the cutting machine head. However, in actual production and machining, the length of the workpiece is greater than the working stroke of the machine tool, and in this case, in order to complete the overall machining of the workpiece, the workpiece needs to be clamped for the second time, specifically, after the first clamping, one end of the workpiece is machined; the workpiece is disassembled, and the other end of the workpiece is clamped in a processing range, so that the integral processing is completed. However, the clamping time is increased by twice clamping, and when the workpiece is clamped for the second time, the workpiece needs to be positioned and centered again, and the clamping precision of the second time needs to be tabulated and packaged, so that the processing efficiency is low, and after the secondary clamping, the positioning reference is changed, so that the positioning reference of the part processed by the second clamping and the part processed by the first clamping is changed, and further the precision of the processed workpiece is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a method and workstation structure of lathe workstation increase stroke, when aiming at solving the length that is processed the work piece at present and is greater than the working stroke, need be to work piece secondary clamping, the problem of whole processing can be accomplished to twice processing side.

In order to achieve the above object, an embodiment of the present invention provides a workbench structure, which includes a machine tool base, at least two guide rails, a movable base, a driving mechanism, a workbench, a limiting connection mechanism, and a limiting mechanism; the guide rails are arranged on the machine tool seat in parallel; the movable seat is connected to the bottom of the workbench in a sliding manner and is connected with the guide rail; the driving mechanism is arranged in the machine tool seat, is connected with the movable seat and is used for driving the movable seat to move; the limiting and connecting mechanism is arranged on the workbench or the moving seat and is used for connecting the workbench and the moving seat when the driving mechanism drives the workbench to move; the limiting mechanism is arranged on the machine tool seat and used for limiting the workbench when the driving mechanism drives the movable seat to independently move.

Furthermore, the workbench is provided with at least one first positioning hole extending to the bottom of the outer side of the machine tool seat, and the limiting mechanism comprises a first telescopic cylinder arranged on the outer side of the machine tool seat and a first positioning rod arranged at the telescopic end of the first telescopic cylinder; when the limiting mechanism limits the workbench, the first telescopic cylinder drives the first locating rod to be ejected upwards and located in the first locating hole.

Further, still set up linear guide on the removal seat, the workstation is connected linear guide.

Furthermore, the limiting and connecting mechanism is a second telescopic cylinder arranged on the moving seat; and at least two connecting positioning holes matched with the telescopic rods of the second telescopic cylinders are formed in the bottom of the workbench.

Further, the workbench extends to the bottom of the outer side of the machine tool seat and is also provided with a second positioning hole; the limiting mechanism comprises lifting mechanisms and positioning pieces, the lifting mechanisms are oppositely arranged on two sides of the machine tool seat, and the positioning pieces are arranged on the lifting mechanisms;

a T-shaped groove is formed in the bottom of the workbench; spacing coupling mechanism is including locating at least one third telescoping cylinder on the removal seat is in with the setting the clamp plate of the flexible end of third telescoping cylinder, the both ends of clamp plate stretch into in the both ears groove of T type groove, the clamp plate thickness is less than the degree of depth in ear groove.

Further, the bottom of workstation still is equipped with a plurality of third locating holes, still be equipped with the setting element on the removal seat, locate the location boss on the setting element, the workstation supports when removing on the seat, location boss on the setting element is located in the third locating hole.

Further, the driving mechanism is any one of an electric screw rod mechanism, a pneumatic mechanism and a hydraulic driving mechanism.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the workstation structure have following technological effect at least:

when the length of a workpiece positioned on the workbench exceeds the stroke of the workbench, and two ends of the workpiece need to be machined, or other structural components need to be assembled at two ends of the workpiece, when the driving mechanism moves to the limit, the limiting connection mechanism enables the workbench and the moving seat to be mutually independent, the limiting mechanism limits the workbench, the driving mechanism drives the moving seat to move towards the other end, after the workpiece moves to a certain distance, the limiting mechanism is separated from the workbench, and the limiting connection mechanism connects the workbench and the moving seat into a whole; therefore, the drive mechanism can drive the table to move in the machining direction again, and the other end of the workpiece can be machined. The problem that the whole machining of the workpiece can be completed only by twice clamping due to insufficient stroke of a machine tool can be solved, the clamping times are reduced by adopting one-time clamping to complete machining, the machining efficiency is improved, and the positioning reference is consistent by one-time clamping, so that the machining precision is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a perspective view of a workbench according to an embodiment of the present invention.

Fig. 2 is a left side view of an embodiment of a workbench structure provided in the present invention.

Fig. 3 is a left side view of another embodiment of the workbench structure provided by the embodiment of the present invention.

Fig. 4 is an exploded view of a workbench structure according to an embodiment of the present invention.

Fig. 5 is a structural diagram of the bottom of the workbench according to the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, a workbench structure capable of increasing a processing stroke, referring to fig. 1-5, includes a machine tool base 200, two guide rails 210, a movable base 220, a driving mechanism (not shown), a workbench 240, and a limit connecting mechanism 250. In this embodiment, specifically, the two guide rails 310 are disposed in parallel on the machine tool seat 200; the movable base 220 is slidably connected to the bottom of the working platform 240, and the movable base 220 is connected to the two guide rails 310; the driving mechanism (not shown in the drawings) is disposed in the machine tool seat 200 and connected to the movable seat 220 for driving the movable seat 220 to move, and since the driving mechanism (not shown in the drawings) is designed in the existing structure and the connection and installation manner thereof is also designed conventionally, the detailed description of the specific structure and connection and installation manner of the electric screw mechanism is omitted in this embodiment. The limiting connection mechanism 250 is disposed on the working platform 240 or on the moving base 220, and is configured to connect the working platform 240 and the moving base 230 when the driving mechanism (not shown) drives the working platform 240 to move. The machine tool base 200 is further provided with a limiting mechanism 260, and when a driving mechanism (not shown in the drawings) drives the movable base 220 to move independently, the limiting mechanism 260 limits the workbench 240. In this embodiment, when the length of the workpiece positioned on the worktable 240 exceeds the stroke of the worktable 240, and when two ends of the workpiece need to be machined, or when other structural members need to be assembled at two ends of the workpiece, when a driving mechanism (not shown in the drawings) moves to a limit, the limiting connecting mechanism 250 makes the worktable 240 and the moving seat 220 independent from each other, the limiting mechanism 260 limits the worktable 240, the driving mechanism (not shown in the drawings) drives the moving seat 220 to move towards the other end, after the workpiece moves to a certain distance, the limiting mechanism 260 is separated from the worktable 240, and the limiting connecting mechanism 250 connects the worktable 240 and the moving seat 220 into a whole; therefore, the driving mechanism (not shown) can drive the table 240 to move in the machining direction or the assembling direction again, so that the other end of the workpiece can be machined or the other end can be assembled. The workbench structure of the embodiment can solve the problem that the whole workpiece machining can be completed only by twice clamping due to insufficient stroke of the machine tool in the scheme of applying the workbench structure to the machine tool, thereby not only ensuring that the machining is completed by adopting one-time clamping to reduce the clamping times and improve the machining efficiency, but also ensuring that the positioning reference is consistent by one-time clamping, and further ensuring the machining precision.

Further, referring to fig. 2, an example of the limiting mechanism 260 limiting the worktable 240 is that the worktable 240 extends to the bottom of the outer side of the machine tool base 200 and is also provided with a first positioning hole 241, and the limiting mechanism 260 includes a first telescopic cylinder 261 arranged on the outer side of the machine tool base 200 and a first positioning rod 262 arranged at the telescopic end of the first telescopic cylinder 261. In this embodiment, when the limiting mechanism 260 limits the workbench 240, the first telescopic cylinder 261 drives the first positioning rod 262 to be ejected upwards and positioned in the first positioning hole 241, so as to position and limit the workbench 240, when the driving mechanism (not shown in the drawing) drives the movable seat 220 to move independently, the displacement of the workbench 240 is not caused, so that the workbench 240 is located at the original position, when the movable seat 220 is connected with the workbench 240 again, the workbench 240 is located at the same position, thereby ensuring the position of the workpiece positioned on the workbench 240, and further driving the precision of the secondary displacement of the workbench 240 through the movable seat 220 again, thereby improving the precision of workpiece processing or assembly. Specifically, the first telescopic cylinder 261 is an air cylinder or an oil cylinder.

Furthermore, in order to reduce the friction force between the workbench 240 and the movable base 220, a linear guide 230 is disposed on the movable base 220, the workbench 240 is connected with the linear guide, and the limit connection mechanism 250 is an air cylinder or an oil cylinder disposed on the movable base 220; the bottom of the working table 240 is provided with a plurality of connecting positioning holes matched with the piston rods of the oil cylinders or the air cylinders.

Further, referring to fig. 2, the limit connection mechanism 250 is a second telescopic cylinder disposed on the moving base 220; at least two connecting positioning holes 2400 matched with the telescopic rods of the second telescopic cylinder are arranged at the bottom of the workbench 240. In this embodiment, when the workbench 240 and the movable base 220 are connected, the telescopic rod of the second telescopic cylinder extends upwards and is positioned in the connecting positioning hole 2400, so that the workbench 240 and the movable base 220 are connected into a whole, and the workbench 240 and the movable base 220 are positioned with each other. On the contrary, the second telescoping cylinder sets up on workstation 240, and the top of removing seat 220 sets up the connection locating hole, and the mode that realizes workstation 240 and remove seat 220 to be connected and fix a position also is the utility model discloses a protection scope.

Further, in another embodiment of the limit connection mechanism 250, a groove is formed at the bottom of the workbench 240, and connection holes are formed at two sides of the groove; the limiting connection mechanism 250 is an air cylinder or an oil cylinder arranged on the moving seat 220, the air cylinder or the oil cylinder is provided with a piston rod capable of extending in two directions, and when the workbench 240 is connected with the moving seat 220, two telescopic rods of the limiting connection mechanism 250 extend into the connecting hole.

Specifically, the limiting connection mechanism 250 is used for positioning and connecting and separating the workbench 240 and the movable seat 220, and there are various embodiments in the embodiments for connecting and separating the workbench 240 and the movable seat 220, which are not listed in the present invention, therefore, the mode structure for connecting and separating the workbench 240 and the movable seat 220 can be realized, which is within the protection scope of the present invention.

Further, referring to fig. 1, fig. 3 to fig. 5, in another embodiment of limiting the position of the worktable 240 by the limiting mechanism 260, the bottom of the worktable 240 extending to the outer side of the machine tool seat 200 is also provided with a second positioning hole 242, and the limiting mechanism 260 includes a lifting mechanism 263 oppositely disposed on both sides of the machine tool seat 200 and a positioning element 264 disposed at the top end of the lifting mechanism 263. The bottom of the workbench 240 is provided with a T-shaped groove 243, the limiting connection mechanism 250 comprises at least one third telescopic cylinder 251 arranged on the movable base 220 and a pressure plate 252 arranged at the telescopic end of the third telescopic cylinder 251, two ends of the pressure plate 252 extend into two ear grooves of the T-shaped groove 243, and the thickness of the pressure plate 252 is smaller than the depth of the ear grooves. In this embodiment, when the driving mechanism (not shown in the drawings) drives the movable base 220 to be misaligned with the working platform 240, the lifting mechanism 263 pushes the positioning rod 264 to be positioned upwards in the second positioning hole 242, and lifts the working platform 240 upwards, so that the working platform 240 is separated from the movable base 220, and therefore the driving mechanism (not shown in the drawings) drives the movable base 220 to move; when the lifting mechanism 263 moves to a certain position, it descends, so that the workbench 240 is supported on the moving base 220, and is pressed down by the pressing plate 252 through the third telescopic cylinder 251 in the limit connecting mechanism 250, so that the pressing plate 252 presses the workbench 240 on the moving base 220. Further, the lifting mechanism 263 is any one of an air lifting mechanism, a liquid lifting mechanism and an electric lifting mechanism.

Further, referring to fig. 1, 3 to 5, a plurality of third positioning holes 244 are uniformly formed at the bottom of the working table 240, a positioning member 221 is further disposed on the moving seat 220, and a positioning boss matched with the corresponding third positioning hole 244 is disposed on the positioning member 221. When the working table 240 is supported on the movable base 220, the positioning boss on the positioning member 221 is positioned in the corresponding third positioning hole 244, and further, when the movable base 220 is connected with the working table 240 again after being displaced, the positioning accuracy of the movable base and the working table is ensured.

Further, the driving mechanism (not shown in the drawings) is any one of an electric screw mechanism, a pneumatic mechanism and a hydraulic driving mechanism; specifically, according to different machine tools, the driving mechanism (not shown in the drawings) with different structures is applied, and the driving mechanism (not shown in the drawings) is not the utility model, and is also the conventional technology, so the utility model does not explain the detailed structure of the driving mechanism.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A workbench structure is characterized in that: comprises a machine tool seat, at least two guide rails, a movable seat, a driving mechanism, a workbench, a limiting connection mechanism and a limiting mechanism; the guide rails are arranged on the machine tool seat in parallel; the movable seat is connected to the bottom of the workbench in a sliding manner and is connected with the guide rail; the driving mechanism is arranged in the machine tool seat, is connected with the movable seat and is used for driving the movable seat to move; the limiting and connecting mechanism is arranged on the workbench or the moving seat and is used for connecting the workbench and the moving seat when the driving mechanism drives the workbench to move; the limiting mechanism is arranged on the machine tool seat and used for limiting the workbench when the driving mechanism drives the movable seat to independently move.

2. The table structure of claim 1, wherein: the workbench extends to the bottom of the outer side of the machine tool seat and is also provided with at least one first positioning hole, and the limiting mechanism comprises a first telescopic cylinder arranged on the outer side of the machine tool seat and a first positioning rod arranged at the telescopic end of the first telescopic cylinder; when the limiting mechanism limits the workbench, the first telescopic cylinder drives the first locating rod to be ejected upwards and located in the first locating hole.

3. The table structure of claim 1, wherein: the movable seat is further provided with a linear guide rail, and the workbench is connected with the linear guide rail.

4. A table structure according to claim 2 or 3, wherein: the limiting and connecting mechanism is a second telescopic cylinder arranged on the moving seat; and at least two connecting positioning holes matched with the telescopic rods of the second telescopic cylinders are formed in the bottom of the workbench.

5. The table structure of claim 1, wherein: the workbench extends to the bottom of the outer side of the machine tool seat and is also provided with a second positioning hole; the limiting mechanism comprises lifting mechanisms and positioning pieces, the lifting mechanisms are oppositely arranged on two sides of the machine tool seat, and the positioning pieces are arranged on the lifting mechanisms;

6. The table structure of claim 5, wherein: the bottom of workstation still is equipped with a plurality of third locating holes, still be equipped with the setting element on the removal seat, locate the location boss on the setting element, the workstation supports when removing on the seat, location boss on the setting element is fixed a position in the third locating hole.

7. The table structure of claim 1, wherein: the driving mechanism is any one of an electric screw rod mechanism, a pneumatic mechanism and a hydraulic driving mechanism.