CN214109549U - Small-size work piece machine tool - Google Patents

Small-size work piece machine tool Download PDF

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Publication number
CN214109549U
CN214109549U CN202022521789.9U CN202022521789U CN214109549U CN 214109549 U CN214109549 U CN 214109549U CN 202022521789 U CN202022521789 U CN 202022521789U CN 214109549 U CN214109549 U CN 214109549U
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China
Prior art keywords
axis
main shaft
ram
mounting
tool
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CN202022521789.9U
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Chinese (zh)
Inventor
陈虎
贺行健
宫兴林
李少智
尹书强
李耀东
刘静文
汤洪涛
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Dalian Kede Numerical Control Co Ltd
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Dalian Kede Numerical Control Co Ltd
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Priority to CN202022521789.9U priority Critical patent/CN214109549U/en
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Abstract

The utility model provides a small-size work piece machine tool, include: the machining tool comprises a base, an upright column in the Y-axis direction, a ram, a B-axis mounting body, a B-axis, a main shaft mounting body, a machining main shaft capable of rotating around a C-axis, a cross sliding table in the Z-axis direction and the X-axis direction, and a workpiece main shaft in the A-axis direction; the upright post is provided with a slide rail, the ram is arranged on the slide rail and moves along the Y-axis direction, one end of a B-axis mounting body is fixed on the ram, the other end of the B-axis mounting body is fixed with a B-axis, a main shaft mounting body is arranged on the B-axis, and a machining main shaft is fixed on the main shaft mounting body so that a working area of the machining main shaft is positioned below the B-axis; the cross sliding table is arranged on the base, and a workpiece main shaft is arranged on the cross sliding table. The utility model discloses a small-size work piece machine tool has changed traditional structural layout, makes the whole layout structure of lathe compact, reduces area, can make under the equal workshop area, arranges more processing equipment, improves throughput, reduction in production cost.

Description

Small-size work piece machine tool
Technical Field
The utility model relates to a lathe field especially relates to a small-size work piece machine tool.
Background
In the process of machining a workpiece by a machine tool, a tool main shaft needs to replace a tool, and after one workpiece is machined, the workpiece needs to be replaced, and the machining operation is continued. In order to meet the requirements of changing a tool and a workpiece on the basis of not influencing the machining action of the traditional machine tool, the positions of the machine tool body, the tool magazine and the workpiece magazine are set to meet the requirements of changing strokes of the tool and the workpiece, so that the arrangement of the machine tool body, the tool magazine and the workpiece magazine occupies a large space in the traditional machine tool.
SUMMERY OF THE UTILITY MODEL
The utility model provides a small-size work piece machine tool to overcome above-mentioned technical problem.
The utility model discloses a technical means as follows:
a small work machine tool comprising:
the machining tool comprises a base, an upright column in the Y-axis direction, a ram, a B-axis mounting body, a B-axis, a main shaft mounting body, a machining main shaft capable of rotating around a C-axis, a cross sliding table in the Z-axis direction and the X-axis direction, and a workpiece main shaft in the A-axis direction;
the upright post is arranged on the base, a slide rail is arranged on the upright post, the ram is arranged on the slide rail and moves along the Y-axis direction, one end of the B-axis mounting body is fixed on the ram, the other end of the B-axis mounting body is fixed with the B-axis, the main axis mounting body is fixed on the B-axis, and the machining main axis is fixed on the main axis mounting body so that a working area of the machining main axis is positioned below the B-axis;
the cross sliding table is arranged on the base, and the workpiece main shaft is arranged on the cross sliding table.
Further, an extension line of the axis of the B-axis intersects with an extension line of the axis of the machining spindle at a point.
Further, an extension line of the axis of the B shaft is positioned on the end face of the nose end of the machining main shaft.
Furthermore, the B-axis mounting body comprises a ram connecting part, a supporting part and a B-axis mounting part, the ram connecting part is fixedly connected with the ram, one end of the supporting part is fixed on the ram connecting part, the other end of the supporting part is positioned on one side of the end face of the upright post, which is provided with the slide rail, and is provided with the B-axis mounting part, and the B-axis mounting part is provided with a B-axis;
the main shaft installation body comprises a shaft B connecting part and a main shaft installation part, the shaft B connecting part is fixedly connected with the shaft B, and the main shaft installation part is fixedly provided with the machining main shaft so that a working area of the machining main shaft is located below the shaft B.
Furthermore, the cross sliding table is located on one side of the end face, provided with the sliding rail, of the stand column.
Further, the base is rectangular, one side of the upright column opposite to the end face provided with the slide rail and one side of the upright column far away from the cross sliding table correspond to included angles, and the included angles coincide with the bottom angle of the base.
Further, the device also comprises a first reserved area and a second reserved area;
the first reservation position in the stand is equipped with the terminal surface dead ahead of slide rail and is located the Z axle one end of cross slip table, the second reservation position in the cross slip table is close to the X axle one end of stand with the stand is equipped with one side of the terminal surface of slide rail.
Further, the supporting part with the width of being connected of ram connecting portion is less than the width of ram connecting portion, just the supporting part is fixed in the one end that ram connecting portion are close to cross slip table.
Further, the supporting part is of a square cylinder structure, one side face of the square cylinder is fixedly connected with the ram connecting part, one end face of the square cylinder is fixed with the B shaft mounting part, and the square cylinder is far away from one end of the B shaft mounting part and far away from one side fillet of the ram connecting part.
Further, the X axis of the cross sliding table is arranged on the upper side of the Z axis.
The utility model discloses a small-size work piece machine tool has changed traditional structural layout, makes the whole layout structure of lathe compact, reduces area, can make under the equal workshop area, arranges more processing equipment, improves throughput, reduction in production cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is an isometric view of a small work piece machine tool as disclosed in the present invention;
fig. 2 is a front view of a small workpiece processing machine tool disclosed by the present invention;
fig. 3 is a left side view of the small workpiece processing machine tool disclosed by the present invention;
fig. 4 is a right side view of a small workpiece processing machine tool disclosed by the present invention;
fig. 5 is a top view of a small workpiece processing machine tool disclosed by the present invention;
fig. 6 is a front view of the spindle structure of the small workpiece processing machine tool disclosed by the present invention;
fig. 7 is an axonometric view of the spindle structure of the small workpiece processing machine tool disclosed by the utility model;
fig. 8 is an axonometric view of a small-sized workpiece processing milling machine in embodiment 1 of the present invention;
fig. 9 is a side view of a small workpiece processing milling machine according to embodiment 1 of the present invention;
fig. 10 is an axonometric view of a workpiece spindle of the small workpiece processing milling machine in embodiment 1 of the present invention;
fig. 11 is a side view of a workpiece magazine of a small workpiece processing milling machine according to embodiment 1 of the present invention;
fig. 12 is a side view of a tool magazine of a small workpiece processing milling machine according to embodiment 1 of the present invention;
fig. 13 is a schematic structural view of a tool changer of a small workpiece processing milling machine according to embodiment 1 of the present invention;
fig. 14 is an axonometric view of a small workpiece processing grinder in embodiment 2 of the present invention;
fig. 15 is a side view of a small workpiece processing grinder according to embodiment 2 of the present invention;
fig. 16 is an axonometric view of a first tool magazine of the small workpiece processing grinder according to embodiment 2 of the present invention;
fig. 17 is an isometric view of a second tool magazine of the small workpiece processing grinder of embodiment 2 of the present invention;
fig. 18 is an axonometric view of a workpiece spindle mounting table of a small workpiece processing grinding machine in embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 7, a small work processing machine comprises:
the machining tool comprises a base 1, an upright post 2 in the Y-axis direction, a ram 21, a B-axis mounting body 30, a B-axis 32, a main shaft mounting body 31, a machining main shaft 4 in the C-axis direction, a cross sliding table 5 in the Z-axis and X-axis directions and a workpiece main shaft 6 in the A-axis direction;
the upright column 2 is arranged on the base 1, the upright column 2 is provided with a slide rail 20, the ram 21 is arranged on the slide rail 20 and moves along the Y-axis direction, one end of the B-axis mounting body 30 is fixed on the ram 21, the other end of the B-axis mounting body is fixed with the B-axis 32, the B-axis 32 is fixed with the spindle mounting body 31, and the processing spindle 4 is fixed on the spindle mounting body 31, so that the working area of the processing spindle is located below the B-axis 32, that is, the processing spindle 4 can swing (rotate) in the horizontal plane located at the lower part of the B-axis mounting body under the driving of the B-axis;
the cross sliding table 5 is arranged on the base 1, and the workpiece spindle 6 is arranged on the cross sliding table 5.
The utility model discloses a whole layout structure of lathe is compact, reduces area, can make under the equal workshop area, arranges more processing equipment, improves throughput, reduction in production cost. One end of the B-axis mounting body is fixed on the ram, and the other end is fixed with the B-axis, so that the space below the B-axis mounting body can be utilized.
Further, an extension line of the axis of the B-axis 32 and an extension line of the axis of the machining spindle 4 are orthogonal to each other at a point. In this application, the extension line of processing main shaft and the extension line quadrature of B axle are in a bit for the nose of processing main shaft is close to the rotation center, has reduced the swing distance of processing main shaft, and then has reduced the calculated amount of processing main shaft during operation, the machining efficiency of improvement. Meanwhile, the nose end of the processing main shaft is close to the axis of the B shaft, so that the error of the B shaft driving the processing main shaft during working is reduced, and the processing precision is improved.
Further, an extension line of the axis of the B-shaft 32 is located on the nose end face of the machining spindle 4. Namely, the rotation center of the processing main shaft in the horizontal plane is superposed with the axis of the B shaft, so that the calculated amount of the processing main shaft is further reduced, and the processing efficiency and the processing precision are improved.
Further, the B-axis mounting body 30 includes a ram connecting portion 300, a supporting portion 301 and a B-axis mounting portion 302, the ram connecting portion 300 is fixedly connected to the ram 21, one end of the supporting portion 301 is fixed to the ram connecting portion 300, the other end of the supporting portion 301 is located on one side of the end face of the upright 2 where the slide rail 20 is located and provided with the B-axis mounting portion 302, and the B-axis mounting portion 302 is provided with a B-axis 32;
the main shaft installation body 31 comprises a B shaft connection part 310 and a main shaft installation part 311, the B shaft connection part 311 is fixedly connected with the B shaft 32, the main shaft installation part 311 is fixedly provided with the processing main shaft 4, so that the working area of the processing main shaft 4 is located below the B shaft 32, and the processing main shaft can swing in the horizontal plane below the B shaft installation body. The utility model discloses in through B axle installation body 30, B axle 32 and main shaft installation body 31 make the processing main shaft be located stand 2 and be equipped with terminal surface one side of slide rail 20, and the rotation of B axle can drive the processing main shaft swing in with Y axle direction vertically horizontal plane, and then can make the interference between swing and the stand of processing main shaft man-hour, guaranteed promptly that the processing main shaft adds the scope of required rotatable angle man-hour, and simultaneously, because processing main shaft sets up and stand is equipped with terminal surface one side of slide rail, reduced the axis of processing main shaft and the distance between the slide rail terminal surface, the rigidity between processing main shaft and the ram has been guaranteed, the dynamic behavior of lathe has been improved.
Further, the base 1 is rectangular; an included angle between one side of the upright post 2 opposite to the end surface provided with the guide rail 20 and one side of the upright post 2 far away from the cross sliding table 5 is superposed with the bottom angle of the base 1; further comprising a first reserved area 10 and a second reserved area 11;
first reservation district 10 is located the stand 2 is equipped with the dead ahead of terminal surface of slide rail 20 and is located the Z axle one end of cross slip table 5, second reservation district 11 is located cross slip table 5 is close to the X axle one end of stand 2 with stand 2 is equipped with one side of the terminal surface of slide rail 20. The stand is arranged at one corner of the base, so that a first reserved space is formed in the space, located at the front end of the slide rail end face of the stand, of the base, a second reserved area is formed in one side, provided with the slide rail end face, of the stand, the first reserved area and the second reserved area can be provided with the workpiece library and/or the tool library as required, and the space utilization rate of the machine tool can be greatly improved.
Further, supporting part 301 with ram connecting portion 300's connection width is less than ram connecting portion 300's width, just supporting part 301 is fixed in ram connecting portion 300 is close to the one end of cross slip table 5, can increase the space of supporting part below to set up the processing main shaft, avoided producing effectively between processing main shaft and the stand and interfered.
Further, the supporting portion 301 is a square column structure, one side of the square column is fixedly connected to the ram connecting portion 300, and the B-axis mounting portion 302 is fixed to one end face of the square column. Square cylinder is kept away from and is equipped with the one end of B axle installation department 302 just keeps away from one side radius angle of ram connecting portion 300 carries out the radius angle to supporting part one end and handles, can alleviate the quality of main shaft structure, and the effectual interference between main shaft structure and other parts of having avoided simultaneously.
Example 1:
as shown in fig. 8-13, the present embodiment discloses a small workpiece processing milling machine, which comprises:
the tool comprises a base 1, an upright post 2 in the Y-axis direction, a ram 21, a main shaft structure 3, a machining main shaft 4 in the C-axis direction, a cross sliding table 5 in the Z-axis and X-axis directions, a workpiece main shaft 6 in the A-axis direction, a workpiece library 10 and a tool library 11;
the upright post 2 is arranged on the base 1, a guide rail 20 is arranged on the upright post 2, the ram is arranged on the guide rail 20, and the ram can move up and down along the Y-axis direction; one end of the main shaft structure 3 is fixedly connected with the ram, the other end of the main shaft structure is fixedly connected with the processing main shaft 4, and the processing main shaft 4 is positioned on one side of the end face of the upright post 2 provided with the guide rail 20 and can swing in a horizontal plane vertical to the Y-axis direction; the upright is roughly of a cubic structure, the bottom surface of the upright is connected with the base 1, as shown in fig. 5, the upright is fixed at the upper left corner position in the figure, two sides of four sides of the upright face the inside of the machine tool, one side is provided with a guide rail 20, the main shaft structure is connected with the guide rail 20 through a ram, and the main shaft structure extends out of the main shaft in the direction that the other side faces the inside of the machine tool; specifically, the spindle structure includes: a B-axis mounting body 30, a B-axis 32, and a main shaft mounting body 31; the B-axis mounting body 30 comprises a ram connecting part 300, a supporting part 301 and a B-axis mounting part 302, the ram connecting part 300 is fixedly connected with the ram 21, one end of the supporting part 301 is fixed on the ram connecting part 300, the other end of the supporting part 301 is positioned on one side of the end face of the upright post 2 provided with the guide rail 20 and is provided with the B-axis mounting part 302, and the B-axis 32 is arranged on the B-axis mounting part 302; the main shaft installation body 31 comprises a shaft B connection part 310 and a main shaft installation part 311, the shaft B connection part 310 is fixedly connected with the shaft B32, and the main shaft installation part 311 is fixedly provided with the machining main shaft 4 so that the working area of the machining main shaft 4 is located below the shaft B32.
The cross sliding table 5 is positioned on one side of the end face of the upright post 2 provided with the guide rail 20, namely the side where the processing spindle extends out, and is positioned below the processing spindle 4; the cross sliding table 5 is provided with the workpiece spindle 6, and in the embodiment, a Z-axis sliding table of the cross sliding table 5 is arranged on the upper side of an X-axis sliding table;
the support portion 301 is a substantially horizontal structural body, and the B axis is closer to the cross slide table than the pillar in the Z axis direction.
The workpiece library 10 is positioned right in front of the end face of the upright post 2 provided with the guide rail 20 and at one end of the Z axis of the cross sliding table 5; the tool magazine 11 is located the X axle of cross slip table 5 is close to the one end of stand 2 with stand 2 is equipped with the terminal surface one side of guide rail 20.
In the utility model, the B shaft mounting body, the B shaft and the main shaft mounting body enable the processing main shaft to be positioned at one side of the end face of the upright 2 provided with the guide rail 20, namely the B shaft is closer to the cross sliding table than the upright in the Z-axis direction, and the rotation of the B shaft can drive the processing main shaft to swing in a horizontal plane vertical to the Y-axis direction, thereby eliminating the interference between the processing main shaft and the upright when swinging in the horizontal plane, meanwhile, because the processing main shaft is arranged at one side of the end face of the upright provided with the guide rail, the direction towards which the end face of the upright provided with the guide rail is provided with the workpiece library, one side of the upright facing the cross sliding table can be provided with the tool library, effectively utilizing the whole space, ensuring the compact structure of the machine tool, improving the space utilization rate, simultaneously, reducing the distance between the axis of the processing main shaft and the end face of the guide rail, ensuring the rigidity between the processing main shaft and the ram, the dynamic performance of the machine tool is improved.
The processing main shaft is arranged on one side of the end face, provided with the guide rail, of the stand column, the distance between the processing main shaft and the stand column is not additionally increased, the rigidity of the main shaft is prevented from being reduced, meanwhile, the swinging angle of the processing main shaft is ensured, and the interference between the processing main shaft and the stand column is avoided. Furthermore, the utility model discloses a small-size work piece processing milling machine is adding man-hour, utilizes the cross slip table to accomplish the motion of X axle and Z axle direction, accomplishes five-axis motion interpolation with less motion shafts of loads such as B axle, C axle, and the Y axle mainly participates in a small amount of five-axis motion interpolation such as feed, back tool, does not need the Y axle to carry out frequent little displacement or reciprocating motion, has avoided the promotion of cost of manufacture, simultaneously, has improved the reliability of equipment.
Further, an extension line of the axis of the B-axis 32 and an extension line of the axis of the machining spindle 4 are orthogonal to each other at a point. In this application, the extension line of processing main shaft and the extension line quadrature of B axle are in a bit for the nose of processing main shaft is close to the rotation center, has reduced the swing distance of processing main shaft, and then has reduced the calculated amount of processing main shaft during operation, the machining efficiency of improvement. Meanwhile, the nose end of the processing main shaft is close to the axis of the B shaft, so that the error of the B shaft driving the processing main shaft during working is reduced, and the processing precision is improved.
Further, an extension line of the axis of the B-shaft 32 is located on the nose end face of the machining spindle 4. Namely, the rotation center of the processing main shaft in the horizontal plane is superposed with the axis of the B shaft, so that the calculated amount of the processing main shaft is further reduced, and the processing efficiency and the processing precision are improved.
Further, the base 1 is rectangular;
the included angle that stand 2 and the relative one side of the terminal surface that is equipped with guide rail 20 and stand 2 keep away from one side correspondence of cross slip table 5 with the base angle coincidence of base 1. The stand is arranged at one corner of the base, so that the space at the front end of the guide rail end face of the stand on the base can be used for setting a workpiece library, the tool library can be arranged on one side of the guide rail end face of the stand, full utilization of all spaces of the base is achieved, and the space utilization rate of a machine tool can be greatly improved.
Further, still include work piece main shaft mount table 60, first slip table 61 and first slip table drive arrangement 62, work piece main shaft mount table 60 is installed on cross slip table 5, be equipped with the guide rail on the work main shaft mount table 60, first slip table 61 sets up on the guide rail, and first slip table drive arrangement 62 can be pneumatic cylinder or screw mechanism, work piece main shaft 6 is installed on the work piece main shaft mount table 60, first slip table 61 with first slip table drive arrangement 62 is installed on the work piece main shaft mount table 60, first slip table drive arrangement 62 can drive first slip table 61 is in slide along the X axle direction on the work piece main shaft mount table 60, can set up structures such as top or support frame on the first slip table in order to be used for guaranteeing to add the work piece both ends and all have the support improvement processingquality in man-hour.
Further, the tool changing device comprises a tool changing device 9, wherein the tool changing device 9 comprises a tool changing sliding table 90, a tool clamping jaw 91, a tool clamping jaw horizontal driving device 92 and a tool clamping jaw vertical driving device 93;
tool changing slip table 90 is fixed one side of work piece main shaft 6 on work piece main shaft mount table 60 is equipped with the guide rail on tool changing slip table 90, tool claw horizontal drive device 92 can drive tool claw 91 is in slide along the X axle direction on tool changing slip table 90, the vertical drive device 92 of tool claw can drive tool claw 91 is in along the motion of Y axle direction on the tool changing slip table. The automatic tool changing device can realize automatic tool changing of the machining spindle, and the specific tool changing process is as follows: in this embodiment, the tool magazine is a disc tool magazine, the disc tool magazine is fixedly connected to the side surface of the column, the ram drives the processing spindle to move upward to a certain height to avoid interference between the processing spindle and the workpiece spindle, the B axis drives the processing spindle to rotate in a horizontal plane, so that the axis direction of the processing spindle is parallel to the Z axis, the nose end of the processing spindle faces one side of the cross slide, the tool jaw horizontal driving device drives the tool jaw to move along the X direction (the side away from the tool magazine) to avoid interference between the processing spindle and the tool magazine, and the tool jaw is adjusted to a position corresponding to the position of the processing spindle by the cross slide, the ram drives the processing spindle to fall down, after the tool is clamped into the tool jaw, the cross slide moves along the side away from the processing spindle in the Z axis direction, the tool is separated from the processing spindle, and then the cross slide drives the tool changer to move to the tool magazine attachment, the vertical driving device of the cutter clamping claw drives the cutter to move to the height which is flush with the position of the tool magazine and is inserted into the empty position of the tool magazine under the action of the cross sliding table, the vertical driving device of the cutter clamping claw drives the cutter clamping claw to move downwards to be separated from the cutter, then the tool magazine rotates to rotate the cutter position of the cutter to be replaced to the position corresponding to the cutter clamping claw, after the vertical driving device of the cutter clamping claw drives the cutter clamping claw to move upwards to clamp the cutter, the cross sliding table drives the cutter replacing device to move along one side far away from the tool magazine along the Z axial direction to separate the cutter from the tool magazine, then the cross sliding table drives the cutter replacing device to insert the cutter to be replaced into the processing main shaft, the vertical driving device of the cutter clamping claw drives the cutter clamping claw to move downwards to be separated from the cutter, thereby realizing automatic cutter changing, the utility model can realize the cutter changing process only under the existing XYZ three-coordinate, does not need other auxiliary components, has simple structure, convenient control and high tool changing efficiency.
Further, supporting part 301 with ram connecting portion 300's connection width is less than ram connecting portion 300's width, just supporting part 301 is fixed in ram connecting portion 300 is close to the one end of cross slip table 5, can increase the space of supporting part below to set up the processing main shaft, avoided producing effectively between processing main shaft and the stand and interfered.
The tool magazine 11 is a disc tool magazine, and the disc tool magazine is fixedly connected with the side face of the upright post. The tool magazine adopts the disc tool magazine and fixes on the side of stand, can effectually reduce the occupation space of tool magazine, and then improves the space utilization of lathe, can effectually avoid the space interference between tool magazine and the processing main shaft simultaneously.
Further, still include: the electric control cabinet 8 and the tool magazine are located on the opposite sides of the upright post, and the electric control cabinet is arranged on the opposite side of the tool magazine, so that the space of each part of the machine tool can be effectively utilized, and the space utilization rate of the machine tool is improved.
The workpiece library comprises a workpiece library base, a chain type workpiece library bracket, a chain type workpiece library and a chain type workpiece library horizontal driving device; the workpiece library base is fixed on the base, a guide rail is arranged on one side of the workpiece library base, the chain type workpiece library support and the chain type workpiece library horizontal driving device are fixed on the workpiece library base, the chain type workpiece library horizontal driving device can drive the chain type workpiece library support to move on the guide rail along the Z-axis direction, and the chain type workpiece library is installed on the chain type workpiece library support.
The workpiece storehouse is the chain work piece storehouse, and the rotatable dress of work piece is in the work piece storehouse, and the installation direction of work piece in the work piece storehouse is mutually perpendicular with the rotation plane of work piece in the work piece storehouse to the same with the direction of work piece main shaft, the work piece storehouse has the drive arrangement in the Z axle direction, can drive the work piece storehouse and remove in the Z axle direction, be close to or keep away from the cross slip table. When the workpiece is replaced, the workpiece spindle mounting table with the workpiece moves along the X direction and the Z direction, so that the processed workpiece corresponds to a vacant position for placing the workpiece in the workpiece library, and then the workpiece library moves along the Z axis direction, is close to the workpiece spindle and enables the workpiece to enter the workpiece library; the first sliding table is driven by the first sliding table driving device to release the workpiece, so that the workpiece is separated from the workpiece main shaft; the workpiece library rotates to enable a workpiece to be machined to rotate to a workpiece main shaft fixing position, and the workpiece main shaft is matched with the first sliding table to fix the workpiece; the workpiece library moves along the Z-axis direction and is far away from the workpiece main shaft; and finishing replacing the workpiece.
Example 2:
as shown in fig. 14 to 18, the small workpiece processing grinder disclosed in this embodiment includes: the device comprises a base 1, an upright post 2 in the Y-axis direction, a ram 20, a main shaft structure 3, a machining main shaft 4 in the C-axis direction, a cross sliding table 5 in the Z-axis and X-axis directions, a workpiece main shaft 6 in the A-axis direction, a workpiece library 7 and a first tool library 8;
the upright post 2 is arranged on the base 1, a guide rail 20 is arranged on the upright post 2, and the ram 21 is arranged on the guide rail 20 and moves up and down along the Y-axis direction; one end of the main shaft structure 3 is fixedly connected with the ram 21, the other end of the main shaft structure is fixedly connected with the processing main shaft 4, and the processing main shaft 4 is positioned on one side of the end face of the upright post 2 provided with the guide rail 20 and can swing in a horizontal plane vertical to the Y-axis direction; specifically, the spindle structure includes: a B-axis mounting body 30, a B-axis 32, and a main shaft mounting body 31; the B-axis mounting body 30 comprises a ram connecting part 300, a supporting part 301 and a B-axis mounting part 302, the ram connecting part 300 is fixedly connected with the ram 21, one end of the supporting part 301 is fixed on the ram connecting part 300, the other end of the supporting part 301 is positioned on one side of the end face of the upright post 2 provided with the guide rail 20 and is provided with the B-axis mounting part 302, and the B-axis 32 is arranged on the B-axis mounting part 302; the main shaft installation body 31 comprises a shaft B connection part 310 and a main shaft installation part 311, the shaft B connection part 310 is fixedly connected with the shaft B32, and the main shaft installation part 311 is fixedly provided with the machining main shaft 4 so that the working area of the machining main shaft 4 is located below the shaft B32.
The cross sliding table 5 is positioned on one side of the end face of the upright post 2 provided with the guide rail 20 and is positioned below the processing main shaft 4; the cross sliding table 5 is provided with the workpiece spindle 6; in this embodiment, the X-axis of the cross sliding table is arranged on the upper side of the Z-axis.
The first tool magazine 8 is positioned right in front of the end face of the upright post 2 provided with the guide rail 20 and at one end of the Z axis of the cross sliding table 5; the workpiece library 7 is located on one side of the X axis of the cross sliding table 5, which is close to one end of the upright post 2 and the end surface of the upright post 2 provided with the guide rail 20.
The utility model discloses in through the B axle installation body, B axle and main shaft installation body make the processing main shaft be located stand 2 and be equipped with terminal surface one side of guide rail 20, and the rotation of B axle can drive the processing main shaft swing in with Y axle direction vertically horizontal plane, and then can eliminate the interference between processing main shaft when the swing in the horizontal plane and the stand, and simultaneously, because processing main shaft sets up the terminal surface one side that is equipped with the guide rail with the stand, the terminal surface that makes the stand be equipped with the guide rail can set up first tool magazine, terminal surface one side that the stand is equipped with the guide rail can set up the tool magazine, whole space has effectively been utilized, the compact structure of grinding machine has been guaranteed, space utilization has been improved, and simultaneously, the distance between the axis of processing main shaft and the guide rail terminal surface has been reduced, rigidity between processing main shaft and the ram has been guaranteed, the dynamic property of lathe has been improved.
Further, an extension line of the axis of the B-axis 32 and an extension line of the axis of the machining spindle 4 are orthogonal to each other at a point. In this application, the extension line of processing main shaft and the extension line quadrature of B axle are in a bit for the nose of processing main shaft is close to the rotation center, has reduced the swing distance of processing main shaft, and then has reduced the calculated amount of processing main shaft during operation, the machining efficiency of improvement. Meanwhile, the nose end of the processing main shaft is close to the axis of the B shaft, so that the error of the B shaft driving the processing main shaft during working is reduced, and the processing precision is improved.
Further, an extension line of the axis of the B-shaft 32 is located on the nose end face of the machining spindle 4. Namely, the rotation center of the processing main shaft in the horizontal plane is superposed with the axis of the B shaft, so that the calculated amount of the processing main shaft is further reduced, and the processing efficiency and the processing precision are improved.
The structure has the advantages of rigidity and avoidance of motion interference in terms of the whole machine tool layout. The cutter point is made to approach the orthogonal point of the rotary axis of the five-axis linkage as much as possible, and the calculation amount of the five-axis linkage interpolation operation is reduced as much as possible. Because the load on the Y axis is large, when small displacement motion or reciprocating motion frequently occurs, the cost required for ensuring the dynamic characteristics and the precision is high (the performance requirements of control, drive, a motor, transmission and the like are higher) compared with other linear axes. For blanks such as cutter bar stocks, the machine tool structure is suitable for machining the cutter bar stocks because the Y-axis does not need to reciprocate frequently. When the machine tool structure is used for machining, five-axis motion interpolation is completed mainly by motion axes with small loads such as an X axis, a Z axis, a B axis, an A axis and the like, and a Y axis mainly participates in a small amount of five-axis motion interpolation such as feed, retracting and the like, so that the machine tool structure can maximize advantages and shorten disadvantages.
Further, the base 1 is rectangular;
the included angle that stand 2 and the relative one side of the terminal surface that is equipped with guide rail 20 and stand 2 keep away from one side correspondence of cross slip table 5 with the base angle coincidence of base 1. The stand is arranged at one corner of the base, so that the space at the front end of the guide rail end face of the stand on the base can be used for arranging the first tool magazine, the workpiece magazine can be arranged on one side of the guide rail end face of the stand, full utilization of all spaces of the base is achieved, and the space utilization rate of a machine tool can be greatly improved. The whole layout structure of the machine tool is compact, the occupied area is reduced, more processing equipment can be arranged in the same workshop area, the production capacity is improved, and the production cost is reduced.
Further, the first tool magazine 8 comprises a tool magazine sliding table 80, a rotary table horizontal driving device 81, a rotary table 82 and a tool supporting assembly 83;
the tool magazine slip table 80 is fixed on the base 1, be equipped with on the tool magazine slip table 80 the revolving stage horizontal drive device 81 with the revolving stage 82, the revolving stage horizontal drive device 81 can drive the revolving stage 82 is in along the motion of Z axle direction on the tool magazine slip table 80, the revolving stage 82 can rotate in the horizontal plane, the circumference equipartition has a plurality ofly on the revolving stage 82 cutter supporting component 83.
Specifically, the tool magazine sliding table is fixed on a front end base of the end face of the upright column provided with the guide rail, the guide rail or the guide column is arranged on the tool magazine sliding table along the Z-axis direction, and the rotary table 82 comprises a rotary table 84, a rotary table mounting seat 85 and a driving motor; turntable mounting seat 85 is installed on guide rail or guide post, revolving stage horizontal drive device 81 can be pneumatic cylinder or lead screw drive structure, and revolving stage horizontal drive device can drive the carousel mounting seat and slide along the Z axle direction on tool magazine slip table, installs motor and carousel on the carousel mounting seat, and the motor can drive the carousel at the horizontal rotation, and the circumference equipartition has a plurality of cutter supporting component 83 on the carousel, can install the cutter on the cutter supporting component 83.
The automatic tool changing can be realized by arranging the first tool magazine, the tool changing process of the utility model is as follows, the ram drives the processing main shaft to move upwards to a position higher than the first tool magazine and controls the processing main shaft to rotate in a horizontal plane, so that the nose end of the processing main shaft faces one side of the first tool magazine, the turntable of the first tool magazine rotates, so that an empty tool position (without tools on the tool supporting component) on the turntable rotates to one side facing the processing main shaft, the turntable horizontal driving device drives the turntable to move to one side close to the processing main shaft, so that the empty tool position is positioned below the processing main shaft, the ram drives the processing main shaft to move downwards, after the tools on the processing main shaft are clamped into the tool supporting component, the turntable horizontal driving device drives the turntable to move to one side far away from the processing main shaft, so that the tools on the processing main shaft are separated from the processing main shaft and are placed in the first tool magazine, the rotary table rotates again, the tool position of the tool to be replaced is rotated to one side of the machining main shaft, the rotary table horizontal driving device drives the rotary table to move to one side close to the machining main shaft, the tool to be replaced is inserted into the machining main shaft, and the ram drives the machining main shaft to move upwards, so that the tool to be replaced is separated from the first tool magazine, and tool changing is completed.
Further, the workpiece spindle installing table 60 is further included, the workpiece spindle installing table 60 is fixed on the Z-axis sliding table of the cross sliding table 5, and the workpiece spindle 4 is installed on the workpiece spindle installing table 60. The workpiece spindle mounting table 60 is further provided with a second sliding table 61 and a second sliding table driving device 62, and the second sliding table driving device 62 can drive the second sliding table 61 to slide on the workpiece spindle mounting table along the X-axis direction. Specifically, a guide rail is fixedly mounted on the workpiece spindle mounting table 60, the second sliding table is mounted on the guide rail, the second sliding table driving device 62 can be a pneumatic cylinder or a lead screw driving device and is used for driving the second sliding table to slide on the workpiece spindle mounting table, and a tip or a support frame and other structures can be arranged on the second sliding table and are used for ensuring that both ends of a workpiece are supported when the workpiece is machined, so that the machining precision is improved.
Further, the tool magazine further comprises a second tool magazine 87, wherein the second tool magazine 87 comprises a second tool magazine fixing seat 88 and a tool supporting assembly 83;
the second tool magazine fixing seat 88 is fixed at one end of the workpiece spindle mounting table 60 far away from the workpiece magazine, and a plurality of tool supporting assemblies 83 are arranged on the second tool magazine fixing seat 88 along the Z-axis direction. The utility model discloses in, through setting up the second tool magazine, the expansibility of improvement lathe tool magazine that can step forward to improve space utilization and machining efficiency, simplified the lathe structure. The utility model discloses set up the second tool magazine for the tool changing process only can realize under current XYZ three-dimensional, does not need other auxiliary member. The utility model discloses a grinding machine is carrying out second tool magazine tool changing process as follows: the machining main shaft rotates in the horizontal plane, so that the axis of the machining main shaft is parallel to the X axis, the nose end of the machining main shaft faces one side of the workpiece library, the ram drives the machining main shaft to move upwards to a certain height, the machining main shaft and the workpiece main shaft cannot interfere with each other, the cross sliding table moves to adjust the position of the second tool library, the hollow tool position of the second tool library is located below the machining main shaft, the ram drives the machining main shaft to move downwards, a tool on the machining main shaft is inserted into the hollow tool position of the second tool library, the cross sliding table drives the second tool library to move away from the machining main shaft along the X axis direction, the tool is separated from the machining main shaft, the cross sliding table drives the second tool library to move along the Z axis direction to adjust the tool to be replaced to the position corresponding to the axis of the machining main shaft, then the cross sliding table drives the second tool library to move close to the machining main shaft along the X axis direction, and inserts the tool to be replaced into the machining main shaft, the ram drives the machining main shaft to move upwards, so that the cutter is separated from the tool magazine, and automatic cutter changing is further realized. In this embodiment, since the space of the second magazine is limited, a tool having no cooling unit may be provided in the second magazine.
Further, the grinding wheel dresser 86 is fixed on one side of the workpiece spindle mounting table 60, and in the embodiment, the grinding wheel dresser is arranged on one side, close to the upright post, of the workpiece spindle mounting table 60, so that the shape of a cutter (grinding wheel) can be conveniently modified.
Further, supporting part 301 with ram connecting portion 300's connection width is less than ram connecting portion 300's width, just supporting part 301 is fixed in ram connecting portion 300 is close to the one end of cross slip table 5, can increase the space of supporting part below to set up the processing main shaft, avoided producing effectively between processing main shaft and the stand and interfered.
Further, the workpiece storage device further comprises a manipulator 9, wherein the manipulator 9 is installed on the side face, facing the workpiece storage, of the upright post 2, the manipulator can move up and down and rotate on the side face of the upright post, and rapid switching of workpieces can be achieved by arranging the manipulator 9.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A small-sized workpiece processing machine tool is characterized by comprising:
the machining tool comprises a base, an upright column in the Y-axis direction, a ram, a B-axis mounting body, a B-axis, a main shaft mounting body, a machining main shaft capable of rotating around a C-axis, a cross sliding table in the Z-axis direction and the X-axis direction, and a workpiece main shaft in the A-axis direction;
the upright post is arranged on the base, a slide rail is arranged on the upright post, the ram is arranged on the slide rail and moves along the Y-axis direction, one end of the B-axis mounting body is fixed on the ram, the other end of the B-axis mounting body is fixed with the B-axis, the main axis mounting body is fixed on the B-axis, and the machining main axis is fixed on the main axis mounting body so that a working area of the machining main axis is positioned below the B-axis;
the cross sliding table is arranged on the base, and the workpiece main shaft is arranged on the cross sliding table.
2. The processing machine of claim 1,
and the extension line of the axis of the B shaft and the extension line of the axis of the processing main shaft intersect at one point.
3. The processing machine of claim 2,
and the extension line of the axis of the B shaft is positioned on the end surface of the nose end of the processing main shaft.
4. The processing machine tool according to any one of claims 1 to 3, wherein the B-axis mounting body comprises a ram connecting part, a supporting part and a B-axis mounting part, the ram connecting part is fixedly connected with the ram, one end of the supporting part is fixed on the ram connecting part, the other end of the supporting part is positioned on one side of the end face of the upright post provided with the slide rail and is provided with the B-axis mounting part, and the B-axis mounting part is provided with a B-axis;
the main shaft installation body comprises a shaft B connecting part and a main shaft installation part, the shaft B connecting part is fixedly connected with the shaft B, and the main shaft installation part is fixedly provided with the machining main shaft so that a working area of the machining main shaft is located below the shaft B.
5. The machine tool of claim 4 wherein said cross slide is located on the side of said end surface of said column where said slide rails are located.
6. The machine tool according to claim 5, wherein the base is rectangular, and the included angle between the side of the upright opposite to the end surface provided with the slide rail and the side of the upright far away from the cross sliding table coincides with the bottom angle of the base.
7. The machine tool of claim 6, further comprising a first reserved area and a second reserved area;
the first reservation position in the stand is equipped with the terminal surface dead ahead of slide rail and is located the Z axle one end of cross slip table, the second reservation position in the cross slip table is close to the X axle one end of stand with the stand is equipped with one side of the terminal surface of slide rail.
8. The processing machine tool according to claim 4, wherein the width of the connection between the support part and the ram connecting part is smaller than the width of the ram connecting part, and the support part is fixed at one end of the ram connecting part close to the cross sliding table.
9. The processing machine tool according to claim 8, wherein the supporting portion is a square cylinder, a side of the square cylinder is fixedly connected with the ram connecting portion, the B-axis mounting portion is fixed to one end face of the square cylinder, and one side of the square cylinder, which is far away from one end of the B-axis mounting portion and is far away from the ram connecting portion, is rounded.
10. The machine tool of claim 1 wherein the X axis of the cross slide is disposed on the upper side of the Z axis.
CN202022521789.9U 2020-11-04 2020-11-04 Small-size work piece machine tool Active CN214109549U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022521789.9U CN214109549U (en) 2020-11-04 2020-11-04 Small-size work piece machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022521789.9U CN214109549U (en) 2020-11-04 2020-11-04 Small-size work piece machine tool

Publications (1)

Publication Number Publication Date
CN214109549U true CN214109549U (en) 2021-09-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN214109549U (en)

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