CN219212251U

CN219212251U - Vertical machine tool structure

Info

Publication number: CN219212251U
Application number: CN202320236881.1U
Authority: CN
Inventors: 赵海军; 王闻宇; 陆昌勇; 汤国海; 刘智远; 杨灿忠; 裘刘烽; 周法家; 崔威; 周靖江
Original assignee: Hangzhou Tian Hang Intelligent Equipment Co ltd
Current assignee: Hangzhou Tian Hang Intelligent Equipment Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-06-20
Anticipated expiration: 2033-02-10

Abstract

The utility model relates to the technical field of machine tools and discloses a vertical machine tool structure, which comprises a machine tool body, wherein a workbench is arranged on the front side of the machine tool body, a saddle seat is fixed on the top of the rear side of the machine tool body, an X-direction saddle is arranged on the top of the saddle seat, a Y-direction saddle is arranged on the top of the X-direction saddle, a spindle box is arranged at the front end of the Y-direction saddle, a spindle perpendicular to the workbench is arranged at the lower end of the interior of the spindle box, two track seats which are distributed in parallel in Z direction are outwards formed by protruding at the two sides of the rear end of the spindle box, Z-direction guide rails are arranged on the surfaces of the track seats, limit raised strips are arranged on the inner sides of the track seats, a plurality of pressing blocks for pressing the Z-direction guide rails are arranged on the outer sides of the track seats, and the Z-direction guide rails are fixed with the track seats through bolts; z-direction sliding blocks matched with the Z-direction guide rails are fixed on two sides of the front end of the Y-direction sliding saddle, and a lifting driving mechanism for driving the spindle box to lift is arranged on the Y-direction sliding saddle. The utility model has the beneficial effects of high Z-direction motion precision and high machining precision of the spindle box.

Description

Vertical machine tool structure

Technical Field

The utility model relates to the technical field of machine tools, in particular to a vertical machine tool structure.

Background

The vertical machining center is a numerical control machining machine tool with the axis of the main shaft and the workbench vertically distributed. The vertical machine tool can perform working procedures such as milling, boring, drilling, tapping, cutting threads and the like, and is generally used for processing plates, disc workpieces, dies and complex parts in a small shell. The mounting precision of the sliding rail on the main spindle box of some existing vertical machine tools, the deformation of the sliding rail and the like can influence the Z-direction movement precision of the main spindle, and further the machining precision is reduced.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a vertical machine tool structure with high Z-direction motion precision of a spindle box and high machining precision.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a vertical lathe structure, includes the lathe bed, the front side of lathe bed is equipped with the workstation, the rear side top of lathe bed is fixed with the saddle seat, the top of saddle seat is equipped with the X to saddle that can follow X to quantitative displacement, the top of X to saddle is equipped with the Y to saddle that can follow Y to quantitative displacement, the front end of Y to saddle is equipped with the headstock along Z to quantitative displacement, the headstock is whole to be hollow cuboid structure, the inside lower extreme of headstock is equipped with the main shaft of perpendicular to workstation, the outside arch in rear end both sides of headstock forms two Z to the track seat that distributes in parallel, the surface of track seat is equipped with Z guide rail, the inboard of track seat is equipped with the spacing sand grip that is used for Z guide rail inboard spacing, the outside of track seat is equipped with the briquetting of a plurality of compression Z guide rails, through the bolt fastening between Z guide rail and the track seat; z-direction sliding blocks matched with the Z-direction guide rails are fixed on two sides of the front end of the Y-direction sliding saddle, and a lifting driving mechanism for driving the spindle box to lift is arranged on the Y-direction sliding saddle.

The installation accuracy of Z to the guide rail influences the Z axle motion accuracy of headstock, set up the headstock into hollow cuboid structure with the headstock, its self structural strength is big, compressive capacity is strong and be difficult for the deformation, set up the track seat in the rear side of headstock simultaneously, track seat and headstock structure as an organic whole, further increase the structural strength of headstock, during the installation of Z guide rail, the inboard of Z to the guide rail and the side butt of spacing sand grip, the outside of Z to the guide rail is compressed tightly through the briquetting, thereby prepositioning Z guide rail, fix Z guide rail and track seat completely through the spiral shell at last, thereby ensure the installation accuracy of Z guide rail, improve headstock Z axle motion accuracy, the both sides of Z guide rail all receive spacingly moreover, deformation and vibration also difficult emergence in the use. In this structure, through improving the intensity of headstock self, increase the installation accuracy of Z to the guide rail simultaneously, and then improve the Z axle motion accuracy of headstock.

Preferably, the lower extreme of headstock is fixed with the axle bed, the main shaft passes the axle bed and forms the rotation and connect, the lateral surface of headstock is fixed with the motor cabinet, be fixed with the main motor on the motor cabinet, the axis and the main shaft parallel distribution of main motor, the axle head of main motor is equipped with main belt pulley, the upper end of main shaft is close to the position of axle bed and is equipped with from the belt pulley, be equipped with driving belt between action wheel and the follow driving wheel. The main motor is in power transmission with the main shaft through a transmission belt, and the installation position of the auxiliary belt pulley on the main shaft is close to the shaft seat, so that the distance between torque input and torque output on the main shaft is reduced (the shaft ends of the main motor of some vertical machine tools are directly in butt joint with the upper end of the main shaft), and the stability of the main shaft is improved; meanwhile, the main motor is connected with the main shaft through the transmission belt, when the output end of the main shaft is subjected to overlarge load, the transmission belt can slip, so that the whole main shaft box is protected, and the main shaft and each transmission part are prevented from being damaged.

Preferably, a connecting seat is arranged at the upper end of the main shaft in the main shaft box, and a cutter striking cylinder is arranged at the upper side of the connecting seat; one side of the saddle is fixed with a tool magazine support, and the tool magazine support is provided with a tool magazine. The tool magazine is matched with the tool beating cylinder to realize automatic tool changing.

Preferably, the left side, the right side, the trailing edge department of lathe bed are equipped with the strengthening eaves, the top surface front side of lathe bed is equipped with the sediment inclined plane, the both sides of lathe bed all are equipped with the direction inclined plane that corresponds the both ends of sediment inclined plane and be connected, be equipped with a plurality of brace tables on the sediment inclined plane, brace table and lathe bed are integral type structure, the top surface coplane of brace table, the top surface at the brace table is fixed to the workstation. The strengthening convex eave increases the integral strength of the lathe bed; various scraps, cooling liquid and the like generated when the workpiece is processed on the workbench are discharged along the guide inclined plane and the slag discharging inclined plane, so that the cleaning is more convenient.

Preferably, the top surface front end of Y to the saddle is equipped with increases the boss, increase boss and Y to the saddle structure as an organic whole, lift actuating mechanism is including fixing the Z axle motor on increasing the boss, through Z axle motor drive and with the parallel Z axle lead screw of main shaft distribution, the both ends of Z axle lead screw are connected with the front side of Y to the saddle through rotating the seat respectively, the medial surface of headstock has set firmly Z axle lead screw seat, Z axle lead screw passes Z axle lead screw seat and forms threaded connection. The heightening boss enables the allowable displacement amount of the Z axis to be increased, and simultaneously the weight of the Y-direction saddle is lightened.

Preferably, the front side and the rear side of the bottom of the X-direction saddle are respectively fixed with an X-direction sliding block, the front side and the rear side of the top surface of the saddle are respectively fixed with an X-direction sliding rail matched with the X-direction sliding blocks, the top surface of the saddle is provided with an X-axis screw rod, one end of the X-axis screw rod is provided with an X-axis motor, the bottom of the X-direction saddle is fixed with an X-axis screw rod seat, and the X-axis screw rod penetrates through the X-axis screw rod seat to form threaded connection; y-direction sliding blocks are fixed on the left side and the right side of the top surface of the X-direction sliding saddle, Y-direction sliding rails matched with the Y-direction sliding blocks are arranged on the left side and the right side of the bottom surface of the Y-direction sliding saddle, a Y-axis screw rod is arranged on the top surface of the X-direction sliding saddle, a Y-axis motor is arranged at one end of the Y-axis screw rod, a Y-axis screw rod seat is arranged at the bottom of the Y-direction sliding saddle, and the Y-axis screw rod penetrates through the Y-axis screw rod seat to form threaded connection. The X-direction saddle is driven to quantitatively displace along the X axis by an X-axis motor and an X-axis screw rod, and the Y-direction saddle is driven to quantitatively displace along the Y axis by a Y-axis motor and a Y-axis screw rod.

Therefore, the utility model has the beneficial effects of high Z-direction movement precision and high machining precision of the spindle box.

Drawings

Fig. 1 is a schematic structural diagram of the present utility model 1.

Fig. 2 is another view of fig. 1.

Fig. 3 is an exploded view of the present utility model.

Fig. 4 is a schematic diagram of the connection of the headstock and the Y-direction saddle.

Fig. 5 is another view of fig. 4.

Fig. 6 is a schematic structural view of the headstock.

Fig. 7 is an exploded view of the headstock.

Fig. 8 is a partially enlarged schematic view of fig. 6 at a.

In the figure: the machine tool comprises a machine tool body 1, a reinforcing ledge 100, a slag discharging inclined plane 101, a guiding inclined plane 102, a supporting table 103, a workbench 2, a saddle seat 3, an X-direction saddle 4, an X-direction slide block 40, an X-direction slide rail 41, an X-axis screw 42, an X-axis motor 43, an X-axis screw seat 44, a Y-direction saddle 5, a heightening boss 500, a Y-direction slide block 50, a Y-direction slide rail 51, a Y-axis screw 52, a Y-axis motor 53, a Y-axis screw seat 54, a headstock 6, a shaft seat 600, a track seat 60, a limit raised strip 61, a pressing block 62, a Z-direction guide 63, a Z-direction slide block 64, a main shaft 7, a lifting driving mechanism 8, a Z-axis motor 80, a Z-axis screw 81, a rotating seat 82, a Z-axis screw seat 83, a motor seat 9, a main motor 10, a main belt pulley 11, a slave belt pulley 12, a driving belt 13, a connecting seat 14, a tool cylinder 15, a tool magazine support 16 and a tool magazine 17.

Detailed Description

In order to make the technical problems, technical solutions and advantageous technical effects to be solved by the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and a plurality of exemplary embodiments. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be appreciated that the expressions "first", "second", etc. are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any particular order of number of technical features indicated. Features defining "first", "second" or "first" may be expressed or implied as including at least one such feature.

The vertical machine tool structure as shown in fig. 1-8 comprises a machine tool body 1, wherein a workbench 2 is arranged on the front side of the machine tool body 1, reinforcing convex eaves 100 are arranged on the left side, the right side and the rear side of the machine tool body 1, a slag discharging inclined plane 101 is arranged on the front side of the top surface of the machine tool body, guide inclined planes 102 correspondingly connected with two ends of the slag discharging inclined plane are arranged on two sides of the machine tool body, a plurality of supporting tables 103 are arranged on the slag discharging inclined plane, the supporting tables and the machine tool body are of an integrated structure, the top surfaces of the supporting tables are coplanar, and the workbench 2 is fixed on the top surface of the supporting tables.

The top of the rear side of the lathe bed 1 is fixed with a saddle 3, and the top of the saddle 3 is provided with an X-direction saddle 4 capable of quantitatively displacing along the X direction. X-direction sliding blocks 40 are fixed on the front side and the rear side of the bottom of the X-direction saddle 4, X-direction sliding rails 41 matched with the X-direction sliding blocks are fixed on the front side and the rear side of the top surface of the saddle 3, an X-axis screw rod 42 is arranged on the top surface of the saddle, an X-axis motor 43 is arranged at one end of the X-axis screw rod, an X-axis screw rod seat 44 is fixed on the bottom of the X-direction saddle, and the X-axis screw rods penetrate through the X-axis screw rod seat to form threaded connection; the X-direction saddle is driven to quantitatively move along the X axis by an X-axis motor and an X-axis screw rod.

The top of the X-direction saddle 4 is provided with a Y-direction saddle 5 which can quantitatively move along the Y direction; y-direction sliding blocks 50 are fixed on the left side and the right side of the top surface of the X-direction saddle, Y-direction sliding rails 51 matched with the Y-direction sliding blocks are arranged on the left side and the right side of the bottom surface of the Y-direction saddle 5, a Y-axis screw rod 52 is arranged on the top surface of the X-direction saddle, a Y-axis motor 53 is arranged at one end of the Y-axis screw rod, a Y-axis screw rod seat 54 is arranged at the bottom of the Y-direction saddle, and the Y-axis screw rod penetrates through the Y-axis screw rod seat to form threaded connection. The Y-direction saddle is driven to quantitatively displace along the Y axis by a Y-axis motor and a Y-axis screw rod.

As shown in fig. 4-8, the front end of the Y-direction saddle 5 is provided with a spindle box 6 quantitatively displaced along the Z-direction, the whole spindle box 6 is in a hollow cuboid structure, the lower end of the interior of the spindle box 6 is provided with a spindle 7 vertical to a workbench, two sides of the rear end of the spindle box 6 are outwards protruded to form two track seats 60 which are distributed in parallel along the Z-direction, the surface of each track seat is provided with a Z-direction guide rail 63, the inner side of each track seat is provided with a limit convex strip 61 for limiting the inner side of each Z-direction guide rail, the outer side of each track seat 60 is provided with a plurality of pressing blocks 62 for pressing the Z-direction guide rails, and the Z-direction guide rails and the track seats are fixed through bolts; z-direction sliding blocks 64 matched with the Z-direction guide rails are fixed on two sides of the front end of the Y-direction sliding saddle 5, and a lifting driving mechanism 8 for driving the spindle box to lift is arranged on the Y-direction sliding saddle.

The top surface front end of Y to the saddle 5 is equipped with increases boss 500, increases boss and Y to the saddle structure as an organic whole, and lift actuating mechanism 8 is including fixing on increasing the boss Z axle motor 80, through Z axle motor drive and with the parallel Z axle lead screw 81 of main shaft parallel distribution, the both ends of Z axle lead screw are connected with the front side of Y to the saddle through rotating seat 82 respectively, and the medial surface of headstock has set firmly Z axle lead screw seat 83, and Z axle lead screw passes Z axle lead screw seat and forms threaded connection.

As shown in fig. 5-7, a shaft seat 600 is fixed at the lower end of a spindle box 6, a spindle 7 passes through the shaft seat to form rotary connection, a motor seat 9 is fixed on the outer side surface of the spindle box 6, a main motor 10 is fixed on the motor seat, the axis of the main motor is parallel to the spindle, a main belt pulley 11 is arranged at the shaft end of the main motor, a slave belt pulley 12 is arranged at the position, close to the shaft seat, of the upper end of the main shaft, and a transmission belt 13 is arranged between a driving wheel and a driven wheel; a connecting seat 14 is arranged at the upper end of the main shaft in the main shaft box 6, and a cutter striking cylinder 15 is arranged at the upper side of the connecting seat; a tool magazine bracket 16 is fixed on one side of the saddle 3, a tool magazine 17 is arranged on the tool magazine bracket, and the tool magazine is matched with a tool beating cylinder to realize automatic tool changing of the spindle. In vertical machining center, the automatic tool changing of tool magazine cooperation tool magazine is prior art, therefore the concrete structure and the tool changing mode of tool magazine, the concrete structure of tool magazine and the connected mode of main shaft are prior art in this application, consequently do not expand to give a full understanding, and the technical staff in this field all knows.

The principle of the utility model is as follows, in combination with the accompanying drawings: the main shaft box is set to hollow cuboid structure, its self structural strength is big, compressive capacity is strong and be difficult for the deformation, set up the track seat at the rear side of main shaft box simultaneously, track seat and main shaft box structure as an organic whole, further increase the structural strength of main shaft box, during the installation of Z guide rail, the inboard of Z guide rail and the side butt of spacing sand grip, the outside of Z guide rail is compressed tightly through the briquetting, thereby to Z guide rail prepositioning, at last through the spiral shell with Z guide rail and track seat fixed completely, thereby ensure Z to the installation accuracy of guide rail, improve the motion accuracy of main shaft box Z axle, the both sides of Z guide rail all receive spacingly moreover, deformation and vibration also are difficult for taking place in the use. Meanwhile, the main motor is arranged on one side of the main shaft box, so that the overall height of the main shaft box is reduced, the distance between torque input and torque output of the main shaft is shorter, and the power transmission of the main shaft is more stable; the power between the main motor and the main shaft is transmitted through the transmission belt, and when the main shaft is subjected to overlarge external load in the working process, the transmission belt can slip to protect the main shaft. Through the design, the whole machine tool is more stable, the Z-direction movement precision of the main spindle box is high, and the whole machining precision is improved.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the upper, lower, left, right, inner, outer, one end, the other end, etc. are based on the orientations or positional relationships shown in the drawings, and are merely for the purpose of more clearly describing the technical solution of the present utility model, and are not meant to indicate or imply that the device or element to be referred to must be provided with a specific direction, be configured and operated in a specific orientation, and should not be construed as limiting the present utility model.

Although specific embodiments of the utility model have been described in detail herein, they are presented for purposes of illustration only and are not to be construed as limiting the scope of the utility model. Various substitutions, alterations, and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. The vertical machine tool structure comprises a machine tool body, wherein a workbench is arranged on the front side of the machine tool body, a saddle seat is fixed on the top of the rear side of the machine tool body, an X-direction saddle capable of quantitatively displacing along the X direction is arranged on the top of the saddle seat, a Y-direction saddle capable of quantitatively displacing along the Y direction is arranged on the top of the X-direction saddle, and the vertical machine tool structure is characterized in that a spindle box capable of quantitatively displacing along the Z direction is arranged at the front end of the Y-direction saddle, the whole spindle box is of a hollow cuboid structure, a spindle perpendicular to the workbench is arranged at the lower end of the inside of the spindle box, two track seats which are parallelly distributed in the Z direction are outwards formed by protruding from the two sides of the rear end of the spindle box, Z-direction guide rails are arranged on the surface of the track seat, limit convex strips used for limiting the inner sides of the Z-direction rails are arranged on the inner sides of the track seats, a plurality of pressing blocks for pressing the Z-direction rails are arranged on the outer sides of the track seat, and the Z-direction rails are fixed with the track seats through bolts; z-direction sliding blocks matched with the Z-direction guide rails are fixed on two sides of the front end of the Y-direction sliding saddle, and a lifting driving mechanism for driving the spindle box to lift is arranged on the Y-direction sliding saddle.

2. The vertical machine tool structure according to claim 1, wherein the lower end of the spindle box is fixed with a shaft seat, the spindle penetrates through the shaft seat to form rotary connection, a motor seat is fixed on the outer side face of the spindle box, a main motor is fixed on the motor seat, the axis of the main motor is distributed in parallel with the spindle, a main belt pulley is arranged at the shaft end of the main motor, a slave belt pulley is arranged at the position, close to the shaft seat, of the upper end of the spindle, and a transmission belt is arranged between the main belt pulley and the slave belt pulley.

3. The vertical machine tool structure according to claim 2, wherein a connecting seat is arranged at the upper end position of the main shaft in the main shaft box, and a cutter striking cylinder is arranged at the upper side of the connecting seat; one side of the saddle is fixed with a tool magazine support, and the tool magazine support is provided with a tool magazine.

4. The vertical machine tool structure according to claim 1, wherein reinforcing convex eaves are arranged at the left side, the right side and the rear side of the machine tool body, slag discharging inclined planes are arranged at the front side of the top surface of the machine tool body, guiding inclined planes correspondingly connected with two ends of the slag discharging inclined planes are arranged at two sides of the machine tool body, a plurality of supporting tables are arranged on the slag discharging inclined planes, the supporting tables and the machine tool body are of an integrated structure, the top surfaces of the supporting tables are coplanar, and the working tables are fixed on the top surfaces of the supporting tables.

5. The vertical machine tool structure according to claim 1, wherein the front end of the top surface of the Y-direction saddle is provided with a heightening boss, the heightening boss and the Y-direction saddle are of an integrated structure, the lifting driving mechanism comprises a Z-axis motor fixed on the heightening boss and a Z-axis screw rod which is driven by the Z-axis motor and is distributed in parallel with the main shaft, two ends of the Z-axis screw rod are respectively connected with the front side of the Y-direction saddle through rotating seats, the inner side surface of the main shaft box is fixedly provided with a Z-axis screw rod seat, and the Z-axis screw rod penetrates through the Z-axis screw rod seat to form threaded connection.

6. The vertical machine tool structure according to claim 1, wherein the front side and the rear side of the bottom of the X-direction saddle are respectively fixed with an X-direction sliding block, the front side and the rear side of the top surface of the saddle are respectively fixed with an X-direction sliding rail matched with the X-direction sliding blocks, the top surface of the saddle is provided with an X-axis screw rod, one end of the X-axis screw rod is provided with an X-axis motor, the bottom of the X-direction saddle is fixed with an X-axis screw rod seat, and the X-axis screw rod penetrates through the X-axis screw rod seat to form threaded connection; y-direction sliding blocks are fixed on the left side and the right side of the top surface of the X-direction sliding saddle, Y-direction sliding rails matched with the Y-direction sliding blocks are arranged on the left side and the right side of the bottom surface of the Y-direction sliding saddle, a Y-axis screw rod is arranged on the top surface of the X-direction sliding saddle, a Y-axis motor is arranged at one end of the Y-axis screw rod, a Y-axis screw rod seat is arranged at the bottom of the Y-direction sliding saddle, and the Y-axis screw rod penetrates through the Y-axis screw rod seat to form threaded connection.