CN223734506U - Horizontal machining center structure of double working tables - Google Patents

Abstract

The utility model belongs to the technical field of numerical control machine tools, and particularly relates to a double-workbench horizontal machining center structure and a double-workbench horizontal machining center structure, wherein the double-workbench horizontal machining center structure comprises a base, a saddle, a first driving mechanism, a main shaft seat and a second driving mechanism, the saddle is arranged on the base in a sliding manner, the first driving mechanism is connected with the saddle, the main shaft seat is arranged on the saddle in a sliding manner, the second driving mechanism is connected with the main shaft seat, and the main shaft seat is provided with a main shaft; the rotary driving mechanism is arranged on the base, the rotary seat is arranged on the rotary driving mechanism, two sides of the rotary seat are respectively provided with a workbench, the workbench is connected with the rotary seat in a vertical sliding mode, each workbench is connected with the same lifting driving mechanism, the lifting driving mechanism alternately drives the workbench on two sides of the rotary seat to lift, and the rotary driving mechanism drives the rotary seat to drive the workbench on different sides of the rotary seat to alternately face the main shaft.

Description

Horizontal machining center structure of double working tables

Technical Field

The utility model belongs to the technical field of numerical control machine tools, and particularly relates to a double-workbench horizontal machining center structure.

Background

Horizontal machining centers play an important role in modern manufacturing as a common machine tool facility. The conventional horizontal machining center usually adopts a single workbench structure, and the operation of frequently replacing workpieces seriously affects the production efficiency in practical application although the structure is simple and reliable. With the continuous increase of the degree of industrial automation, the market has an increasing demand for efficient and flexible processing equipment. Therefore, development of a dual stage horizontal machining center capable of rapidly switching stages has become a research hotspot. Prior art solutions currently, some horizontal machining centers on the market have attempted to improve work efficiency by improving the table design.

For example, chinese patent publication No. CN221848663U discloses a horizontal machining center, which comprises a base, wherein one end of the base is fixedly provided with a main electric rotating table, a Z-axis linear driving mechanism is fixedly arranged on the base, a plurality of material tables are uniformly and fixedly arranged at the output end of the main electric rotating table, a frame is fixedly arranged on the Z-axis linear driving mechanism and is in sliding connection with the base, a Y-axis linear driving mechanism is fixedly arranged on the frame, an X-axis linear driving mechanism is arranged on the Y-axis linear driving mechanism through screw transmission, the X-axis linear driving mechanism is in sliding connection with the frame, two sliding seats are fixedly arranged at the bottom of the frame and are in sliding connection with the Z-axis linear driving mechanism, a spindle seat is arranged on the X-axis linear driving mechanism through screw transmission, and a spindle is fixedly arranged on the spindle seat. The workpiece is placed on the corresponding processing table, and the workpiece to be processed can be placed on the other processing tables in advance in the process of processing the workpiece on one processing table by the main shaft, so that the waiting time of the main shaft can be reduced and the waste of time can be reduced in the process of alternately replacing the workpiece, thereby effectively improving the processing efficiency of the workpiece.

The technical scheme disclosed in the above patent document is to realize the switching of the workbench by utilizing the turntable, and during processing, the upright post is driven to move, and the main shaft moves up and down, so that larger driving force is required, the driving energy consumption is increased, and the problems of large load of the guide rail supported by the upright post, increased abrasion and the like are solved.

Disclosure of utility model

The utility model aims to provide a double-workbench horizontal machining center structure which is used for solving the problems that the height direction of a workbench of a horizontal machining center is kept constant, a main shaft completely moves up and down in a front-back left-right mode, the load for driving a stand column to move is increased, and guide rails at the bottom ends of the stand column are accelerated to be worn.

In order to achieve the above purpose, the dual-workbench horizontal machining center structure provided by the embodiment of the utility model comprises a base, a saddle, a first driving mechanism, a main shaft seat and a second driving mechanism, wherein the saddle is slidably arranged on the base, the first driving mechanism is connected with the saddle and used for driving the saddle to translate, the main shaft seat is slidably arranged on the saddle, the second driving mechanism is connected with the main shaft seat and used for driving the main shaft seat to move and is mutually perpendicular to the moving direction of the saddle, the main shaft seat is provided with a main shaft, the dual-workbench horizontal machining center structure further comprises a rotary driving mechanism, a rotary seat, a workbench and a lifting driving mechanism, the rotary driving mechanism is arranged on the base, the rotary seat is arranged on the rotary driving mechanism, two sides of the rotary seat are respectively provided with one workbench, the workbench is vertically slidably connected with the rotary seat, each workbench is connected with the same lifting driving mechanism, the lifting driving mechanism alternately drives the workbench on two sides of the rotary seat to lift, and the rotary seat is used for driving the rotary seat to alternately face the workbench on different sides.

The lifting driving mechanism comprises a motor, a screw rod, a nut seat and a clutch assembly, wherein the inside of the rotating seat is of a hollow structure, the motor is arranged on the rotating seat, one end of the screw rod is connected with a main shaft of the motor, the other end of the screw rod is rotationally connected with the rotating seat, the nut seat is provided with a ball nut matched with the screw rod, and the clutch assembly is arranged between each workbench and the nut seat and used for connecting the nut seat and the workbench.

Further, the clutch assembly comprises a connecting seat and a telescopic cylinder, the connecting seat is arranged on the inner side of the workbench, the telescopic cylinder is arranged on the connecting seat, and the nut seat is provided with a positioning groove matched with the telescopic end of the telescopic cylinder.

Further, one side of the connecting seat, which is close to the nut seat, is provided with a positioning cavity, the telescopic cylinder is arranged in the positioning cavity, the telescopic end of the telescopic cylinder is also provided with a positioning block, and one end of the positioning block is in sliding fit with the positioning cavity.

Further, a supporting seat is arranged on one side of the base, and a tool magazine is arranged on the supporting seat.

Further, one end of the base is provided with a boss, the other top of the base is provided with a groove, the saddle is arranged on the boss, the rotary driving mechanism is arranged in the groove, the groove is provided with two inclined side surfaces, the bottom end of the boss is provided with a chip groove, the chip groove penetrates through the boss, one end of the chip groove is higher than the bottom of the groove, and the other end of the chip groove extends downwards in an inclined mode.

Further, one end of the saddle extends out of the base, and an inclined notch is formed in the bottom of one end of the saddle extending out of the base.

The above technical solutions in the structure of the dual-workbench horizontal machining center provided by the embodiment of the utility model have at least the following technical effects:

The workpiece to be processed is positioned on a workbench far away from the main shaft, the rotary driving mechanism drives the rotary seat to rotate, so that the workbench clamping the workpiece to be processed faces the main shaft, the workbench is driven to move up and down through the lifting driving mechanism, the other workbench is away from the main shaft, and the two workbenches are lifted up and down independently of each other, so that the workbench facing the main shaft can lift up and down to process the workpiece without influencing the clamping of the other workbench, and therefore, when one workbench is used for processing the workpiece, the other workbench can clamp the workpiece, and the efficiency is improved. Because the work piece is processed, the workstation goes up and down, and the saddle translation, consequently can make the holistic load of lathe more reasonable, avoid the overweight and wearing and tearing problem of load. In addition, the workbench is supported on the side surface of the rotating seat, and when in machining, the acting force of the main shaft on the workbench is supported by the side surface of the rotating seat, so that the workpiece on the workbench is more stable in stress in the machining process, and the problem of workpiece loosening caused by overlarge cutting force is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a structural diagram of a horizontal machining center structure with double work tables according to an embodiment of the present utility model.

Fig. 2 is a diagram of the other side of the horizontal machining center structure with two working tables according to the embodiment of the present utility model.

Fig. 3 is a cross-sectional view of a rotating base of a dual stage horizontal machining center structure provided by an embodiment of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally formed, mechanically connected or electrically connected, directly connected or indirectly connected through an intermediate medium, or in communication between two elements or in interaction with each other. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In an embodiment of the dual-table horizontal machining center structure of the present utility model, please refer to fig. 1 to 3, the dual-table horizontal machining center includes a base 100, a saddle 200, a first driving mechanism 300, a spindle base 400, a second driving mechanism 500, a rotation driving mechanism 600, a rotating base 700, a table 800, and a lifting driving mechanism 900. The saddle 200 is slidably disposed on the base 100, the first driving mechanism 300 is connected with the saddle 200 and is used for driving the saddle 200 to translate, the spindle seat 400 is slidably disposed on the saddle 200, the second driving mechanism 500 is connected with the spindle seat 400, and the second driving mechanism 500 drives the spindle seat 400 to move and is mutually perpendicular to the moving direction of the saddle 200. Specifically, the first driving mechanism 300 and the second driving mechanism 500 are both electric screw assemblies or linear motors. The spindle base 400 is provided with a spindle 410. The rotary driving mechanism 600 is arranged on the base 100, the rotary seat 700 is arranged on the rotary driving mechanism 600, and the rotary seat 700 is driven by the rotary driving mechanism 600 to rotate and turn. Preferably, the rotation driving mechanism 600 is an oil pressure turntable. The two sides of the rotating seat 700 are respectively provided with a workbench 800, and the workbench 800 is connected with the rotating seat 700 in a vertically sliding manner, and the lifting driving mechanism 900 is connected with the workbench 800 to alternately drive the workbench 800 at the two sides of the rotating seat 700 to lift. The rotation driving mechanism 700 drives the rotation base 700 for driving the tables 800 on different sides of the rotation base 700 alternately toward the spindle 810. Preferably, the work table 800 is provided on opposite sides of the rotation seat 700. Therefore, the rotary seat 700 is driven by the rotary driving mechanism 700 to rotate 180 degrees to realize the switching position, so that a worker can conveniently replace a workpiece on the workbench 800.

The lifting driving mechanism 900 drives the two work tables 800 to alternately lift and lower the embodiment. Specifically, referring to fig. 1 to 3, the elevation driving mechanism 900 includes a motor 910, a screw 920, a nut seat 930, and a clutch assembly 940. The inside hollow structure that is of swivel mount 700, motor 910 are located on swivel mount 700, and the main shaft of motor 910 is connected to the one end of lead screw 920, and swivel mount 700 is connected in the other end rotation, and nut seat 930 is equipped with ball nut 931 with lead screw 920 complex. A clutch assembly 940 is disposed between each work table 800 and the nut seat 930 for connecting the nut seat 930 and the work table 800. The workpiece to be processed is positioned on the workbench 800 far away from the main shaft 410, the rotary driving mechanism 700 drives the rotary seat 700 to rotate, so that the workbench 800 clamping the workpiece to be processed faces the main shaft 410, the clutch component 940 of the workbench 800 is connected with the nut seat 930, the workbench 800 and the nut seat 930 are integrated, and the clutch component 940 of the other workbench 800 is separated from the nut seat 930. The motor 910 drives the screw rod 920 to lift the workbench 800 connected with the nut seat 930, and the other workbench can complete the disassembly and assembly of the workpiece, so that the workpiece to be processed is clamped on the workbench 800. Therefore, the present embodiment uses a set of lifting driving mechanisms 900 to alternately drive two work tables 800, and when one work table 800 is driven to lift, the other work table 800 can be lowered to the bottommost end of the rotating base 700, thereby facilitating the assembly and disassembly of parts.

Further, referring to fig. 3, the clutch assembly 940 includes a connection seat 941 and a telescopic cylinder 942, the connection seat 941 is disposed on the inner side of the table 800, the telescopic cylinder 942 is disposed on the connection seat 941, and the nut seat 930 is provided with a positioning slot 932 matched with a telescopic end of the telescopic cylinder 942. In this embodiment, at least one set of clutch components 940 is always engaged with the nut seat 930 to distinguish the normal lifting of the nut seat 930. Specifically, the motor 910 drives the screw 920 to suspend the seat, so that the nut seat 930 drives the table 800 connected thereto to move to the lowest position, and the clutch assembly 940 in the table 800 to be connected to the nut seat 930 is engaged with the nut seat 930. Specifically, the telescopic cylinder 942 extends into the positioning groove 932, so that the table 800 is connected to the nut seat 930.

Further, referring to fig. 3, a positioning cavity 943 is disposed on a side of the connecting seat 941, which is close to the nut seat 930, a telescopic cylinder 942 is disposed in the positioning cavity 943, a positioning block 944 is further disposed at a telescopic end of the telescopic cylinder 942, and one end of the positioning block 944 is slidably matched with the positioning cavity 943. Specifically, in the present embodiment, when the workbench 800 is connected to the nut seat 930, the telescopic cylinder 942 pushes the positioning block 944 to extend into the positioning groove 932 to achieve positioning.

Further, referring to fig. 1 and 2, a support base 110 is provided at one side of the base 100, and a tool magazine 120 is provided at the support base 110. Realizing that the spindle 410 can automatically change the cutting blade.

Further, referring to fig. 1 and 2, one end of the base 100 is provided with a boss 130, the other end is provided with a groove 101, the saddle 200 is provided on the boss 130, and the rotation driving mechanism 600 is provided in the groove 101. The groove 101 has two inclined sides, the bottom end of the boss 130 is provided with a chip groove 131, the chip groove 131 penetrates through the boss 130, one end of the chip groove is higher than the bottom of the groove 101, and the other end of the chip groove extends downwards in an inclined mode. In this embodiment, the chips and coolant formed by the machining may be collected in the grooves 131 and discharged from the junk slots 131.

Further, referring to fig. 1 and 2, one end of the saddle 200 extends out of the base 100, and an inclined notch 201 is provided at the bottom of one end of the saddle 200 extending out of the base 100. In this embodiment, the length of the saddle 200 can be increased, thereby increasing the stroke of the spindle head 400. While reducing the weight of the saddle 200 and ensuring the strength of the portion of the saddle 200 extending beyond the seat 100.

In the horizontal machining center with the double working tables, a workpiece to be machined is firstly positioned on the working table 800 far away from the main shaft 410, the rotary driving mechanism 600 drives the rotary seat 700 to rotate, so that the working table 800 clamping the workpiece to be machined faces the main shaft 410, the working table 800 drives to move up and down through the lifting driving mechanism 900, the other working table 800 faces away from the main shaft 410, and the two working tables 800 are lifted up and down independently of each other, so that the working table 800 facing the main shaft 410 can lift up and down to machine the workpiece without influencing the other working table 800 to clamp the workpiece, and therefore, the other working table can clamp the workpiece during machining of the workpiece of one working table 800, and the efficiency is improved. Because the workbench 800 is lifted and the saddle 200 is translated during workpiece processing, the whole load of the machine tool is more reasonable, and the problem of abrasion caused by overload is avoided. In addition, the workbench 800 is supported on the side surface of the rotating seat 700, and during processing, the acting force of the spindle 410 on the workbench 800 is supported by the side surface of the rotating seat 700, so that the workpiece on the workbench 800 is stressed more stably during processing, and the problem of workpiece loosening caused by overlarge cutting force is avoided.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (9)

1. The horizontal machining center structure for the double working tables is characterized by further comprising a rotary driving mechanism, a rotating seat, a workbench and a lifting driving mechanism, wherein the rotary driving mechanism is arranged on the base, two sides of the rotating seat are respectively provided with one workbench, the workbench is connected with the rotating seat in a vertical sliding mode, each workbench is connected with the same lifting driving mechanism, the lifting driving mechanism alternately drives the workbench on two sides of the rotating seat to lift, and the rotary driving mechanism drives the rotating seat to alternately face the workbench on different sides of the rotating seat.

2. The dual-stage horizontal machining center structure of claim 1, wherein the stages are disposed on opposite sides of the swivel base.

3. The double-workbench horizontal machining center structure according to claim 1 or 2, wherein the lifting driving mechanism comprises a motor, a screw rod, a nut seat and a clutch assembly, the inside of the rotating seat is of a hollow structure, the motor is arranged on the rotating seat, one end of the screw rod is connected with a main shaft of the motor, the other end of the screw rod is rotatably connected with the rotating seat, the nut seat is provided with a ball nut matched with the screw rod, and the clutch assembly is arranged between each workbench and the nut seat and used for connecting the nut seat and the workbench.

4. The horizontal machining center structure of a double workbench according to claim 3, wherein the clutch assembly comprises a connecting seat and a telescopic cylinder, the connecting seat is arranged on the inner side of the workbench, the telescopic cylinder is arranged on the connecting seat, and the nut seat is provided with a positioning groove matched with the telescopic end of the telescopic cylinder.

5. The horizontal machining center structure of the double working tables of claim 4, wherein a positioning cavity is formed in one side, close to the nut seat, of the connecting seat, the telescopic cylinder is arranged in the positioning cavity, a positioning block is further arranged at the telescopic end of the telescopic cylinder, and one end of the positioning block is in sliding fit with the positioning cavity.

6. The dual-stage horizontal machining center structure of claim 1, wherein a support base is arranged on one side of the base, and a tool magazine is arranged on the support base.

7. The horizontal machining center structure of a double workbench according to claim 1, wherein one end of the base is provided with a boss, the other top of the base is provided with a groove, the saddle is arranged on the boss, the rotary driving mechanism is arranged in the groove, the groove is provided with two inclined side surfaces, the bottom end of the boss is provided with a chip groove, the chip groove penetrates through the boss, one end of the chip groove is higher than the bottom of the groove, and the other end of the chip groove extends downwards in an inclined mode.

8. The double-workbench horizontal machining center structure according to claim 1 or 7, wherein one end of the saddle extends out of the base, and an inclined notch is formed in the bottom of one end of the saddle extending out of the base.

9. The double-workbench horizontal machining center structure according to claim 1 or 7, wherein the rotary driving mechanism is an oil pressure turntable.