CN112720007A - One-time clamping numerical control machining center capable of machining multiple surfaces - Google Patents
One-time clamping numerical control machining center capable of machining multiple surfaces Download PDFInfo
- Publication number
- CN112720007A CN112720007A CN202011552389.2A CN202011552389A CN112720007A CN 112720007 A CN112720007 A CN 112720007A CN 202011552389 A CN202011552389 A CN 202011552389A CN 112720007 A CN112720007 A CN 112720007A
- Authority
- CN
- China
- Prior art keywords
- machining
- rotary table
- axis
- machine tool
- protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention relates to the technical field of numerical control machining equipment, in particular to a numerical control machining center capable of machining multiple surfaces by one-time clamping, which comprises: a bed body; the multi-station fixture mechanism comprises a B-axis rotary table, a rotary table upright post, a C-axis rotary table and a first fixture fixing seat, wherein the B-axis rotary table is arranged on the machine body, the rotary table upright post is rotatably arranged on the B-axis rotary table, the C-axis rotary table is arranged on the rotary table upright post, the first fixture fixing seat is rotatably arranged on the C-axis rotary table, and a rotating shaft of the first fixture fixing seat is vertical to a rotating shaft of the rotary table upright post; and the machining mechanism is arranged on the machine tool body and comprises a machine tool main shaft, and the machine tool main shaft corresponds to the clamp arranged on the first clamp fixing seat. According to the invention, through the rotation of the turntable upright column and the first fixture fixing seat, a workpiece can be processed on five surfaces by the main shaft of the machine tool under the condition of one-time clamping, so that the processing production efficiency is greatly increased, and the condition of lower processing precision caused by multiple times of clamping is avoided.
Description
Technical Field
The invention relates to the technical field of numerical control machining equipment, in particular to a numerical control machining center capable of machining multiple surfaces by one-time clamping.
Background
With the continuous development of science and technology, various machining centers are developed to adapt to different machining conditions and machining requirements, including vertical machining centers, horizontal machining centers, vertical and horizontal combined machining centers and the like. Due to the structural problem of the vertical machining center, aluminum scraps are easy to block blind holes or enter other holes during machining, so that the problem of poor quality is caused, and the vertical machining center is less in use; the vertical and horizontal composite machining center can achieve the purpose that the horizontal main shaft and the vertical main shaft simultaneously machine different workpieces in different directions, so that the machining efficiency of the workpieces is improved, but simultaneously, due to the particularity of the vertical and horizontal composite machining center, the overall structure of the vertical and horizontal composite machining center is more complex, the overall size of the vertical and horizontal composite machining center is correspondingly larger, and for the current times of earth-metal, the more equipment which can be placed in the same floor area is, the better equipment is, and therefore certain competitiveness of the vertical and horizontal composite machining center is lost; the horizontal machining center is a machine tool for realizing milling machining through a mechanism with a main shaft horizontally arranged; due to the structural characteristics of the horizontal machining center, the problems of low yield, high cost performance and the like caused by hole plugging of aluminum scraps can be solved, and the horizontal machining center is wide in application range.
In some existing horizontal machining centers, a clamp provided with a workpiece cannot rotate, and the workpiece is machined only by means of three-axis linkage of a machine tool spindle, so that the workpiece needs to be clamped for many times, and machining efficiency is affected; in some horizontal machining centers, the clamp can rotate around a vertical line, so that three surfaces (a front surface, a left side surface and a right side surface) of a workpiece can be machined simultaneously by one-time clamping, and if complex workpieces with top surfaces and bottom surfaces need to be machined, the workpiece needs to be clamped again, so that the production efficiency is influenced, and the machining precision of the workpiece can be influenced by multiple times of clamping.
Disclosure of Invention
The invention aims to provide a numerical control machining center capable of machining multiple surfaces by one-time clamping, and aims to solve the technical problems that in the prior art, workpieces needing multiple-surface machining need to be clamped for multiple times, so that the production efficiency is influenced and the machining precision is reduced.
In order to achieve the above object, the present invention provides a numerical control machining center capable of machining multiple surfaces by one clamping, comprising:
a bed body;
the multi-station fixture mechanism comprises a B-axis rotary table, a rotary table upright post, a C-axis rotary table and a first fixture fixing seat, wherein the B-axis rotary table is arranged on the machine body, the rotary table upright post is rotatably arranged on the B-axis rotary table, the C-axis rotary table is arranged on the rotary table upright post, the first fixture fixing seat is rotatably arranged on the C-axis rotary table, and a rotating shaft of the first fixture fixing seat is perpendicular to a rotating shaft of the rotary table upright post;
and the machining mechanism is arranged on the lathe bed and comprises a machine tool spindle, and the machine tool spindle corresponds to the clamp arranged on the first clamp fixing seat. Greatly increased processing production efficiency, also avoided the lower condition of machining precision that many times clamping caused simultaneously.
Preferably, the multi-station fixture mechanism further comprises a second fixture fixing seat, and the second fixture fixing seat is mounted on the rotary table upright and is parallel to the C-axis rotary table. Realize not shutting down the reloading, and then improved production efficiency.
Preferably, the fixture further comprises a turntable protection plate arranged between the C-axis turntable and the second fixture fixing seat. The protection device can protect workers and prevent the workers from being injured by scraps and cutting fluid.
Preferably, the fixture opening and closing protection assembly is arranged between the C-axis turntable and the second fixture fixing seat and comprises a left protection door and a right protection door, and the C-axis turntable and the second fixture fixing seat can be spaced when the left protection door and the right protection door are closed. The safety performance can be improved, so that the safety of workers in the feeding or discharging process can be guaranteed.
Preferably, the protection device further comprises a protection wall arranged on the lathe bed in a surrounding mode; the clamp opening and closing protection assembly further comprises a first cylinder and a second cylinder, the first cylinder and the second cylinder are installed on the protection wall, the left protection door is installed on the output end of the first cylinder, and the right protection door is installed on the output end of the second cylinder. The first cylinder and the second cylinder are arranged to realize the intelligent control of the opening or closing of the left protective door and the right protective door, and the left protective door and the right protective door can be matched with the machining mechanism, so that the opening or closing accuracy of the left protective door and the right protective door is guaranteed.
Preferably, the clamp opening and closing protection assembly further comprises a first sensing switch for sensing the opening and closing state of the left protection door and a second sensing switch for sensing the opening and closing state of the right protection door, and the first sensing switch and the second sensing switch are both mounted on the protection wall. The opening and closing states of the left protective door and the right protective door can be accurately sensed, so that the use safety of equipment is guaranteed.
Preferably, the machining mechanism further comprises a saddle, a machine tool upright post and a spindle box, wherein the saddle is slidably mounted on the machine tool body, and the moving direction of the saddle is far away from or close to the multi-station clamp mechanism; the machine tool upright post is slidably arranged on the saddle, and the moving direction of the machine tool upright post is perpendicular to the moving direction of the saddle; the spindle box is mounted on the machine tool upright post in a vertically sliding mode, and the machine tool spindle is mounted at one end, close to the multi-station fixture mechanism, of the spindle box. The machining mechanism drives the machine tool spindle to move in the XYZ axial direction so as to comprehensively machine the workpiece.
Preferably, the rolling curtain protection assembly is arranged on the lathe bed and is positioned between the machining mechanism and the multi-station fixture mechanism; in a machining state, the machine tool spindle penetrates through the roller shutter protection assembly and extends into one side of the multi-station fixture mechanism. The roller shutter protection assembly is arranged, so that scraps, cutting fluid and the like generated in the machining process can be greatly reduced to splash to the machining mechanism, and the normal operation (such as movement, control and the like) of the machining mechanism is influenced.
Preferably, the roller shutter protection assembly comprises an X-axis protection framework, a Y-axis protection framework and a Z-axis protection framework; the X-axis protective framework is arranged on the machine tool body, the Y-axis protective framework is slidably arranged on the X-axis protective framework, the Z-axis protective framework is slidably arranged on the Y-axis protective framework, and the spindle box penetrates through the Z-axis protective framework to enable the spindle of the machine tool to be located on one side where the multi-station fixture mechanism is located; the X-axis protective framework, the Y-axis protective framework and the Z-axis protective framework are all provided with flexible roller shutters. The protection of the flexible roller shutter to the processing mechanism is ensured, and the influence of scraps and the like on the normal operation of the processing mechanism is avoided.
Preferably, the multi-station tool magazine further comprises a horizontal tool magazine and a tool magazine protection door, the horizontal tool magazine is installed on the lathe bed and located on one side of the multi-station fixture mechanism, and the tool magazine protection door is arranged between the horizontal tool magazine and the multi-station fixture mechanism. The horizontal tool magazine is arranged, so that the tool of the machine tool spindle can be conveniently replaced, and the machining efficiency is improved; the tool magazine protection door can play a certain protection role in the horizontal tool magazine.
The invention discloses a numerical control machining center capable of machining multiple surfaces by one-time clamping, which at least has the following beneficial effects: the multi-station fixture mechanism is arranged, and a workpiece can be machined on five surfaces of the machine tool spindle under the condition of one-time clamping through the rotation of the rotary table upright post and the first fixture fixing seat, so that the machining production efficiency is greatly increased, and the condition of lower machining precision caused by multiple times of clamping is avoided; and the numerical control machining center is suitable for machining complex workpieces, so that the practicability of the numerical control machining center is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a numerical control machining center according to the present invention;
FIG. 2 is a schematic structural diagram of the numerical control machining center with the protective wall and the electrical box removed;
FIG. 3 is a schematic structural view of the numerical control machining center with a protective wall removed;
FIG. 4 is a schematic structural view of the multi-station clamping mechanism of the present invention after the turntable protection plate is assembled;
FIG. 5 is a schematic structural view of a multi-station clamping mechanism according to the present invention;
FIG. 6 is a schematic structural view of a processing mechanism according to the present invention;
FIG. 7 is a schematic structural view of the opening and closing protection assembly of the clamp of the present invention;
FIG. 8 is a schematic view of the shutter protection assembly with the flexible shutter removed;
fig. 9 is a schematic structural view of the rolling shutter protection assembly of the present invention.
In the drawings: 1-lathe bed, 2-multi-station fixture mechanism, 21-B axis turntable, 22-turntable upright post, 23-C axis turntable, 24-first fixture fixing seat, 25-second fixture fixing seat, 3-machining mechanism, 31-machine tool main shaft, 32-saddle, 33-machine tool upright post, 34-main spindle box, 4-fixture, 5-turntable protection plate, 6-fixture opening and closing protection component, 61-left protection door, 62-right protection door, 63-first cylinder, 64-second cylinder, 65-first sensing switch, 66-second sensing switch, 7-protection wall, 8-rolling curtain protection component, 81-X axis protection framework, 82-Y axis protection framework, 83-Z axis protection framework, 84-flexible rolling curtain, 9-horizontal tool magazine and 10-tool magazine protection door.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 9, a numerical control machining center capable of machining multiple surfaces by one clamping includes:
a lathe bed 1;
the multi-station fixture mechanism 2 comprises a B-axis rotary table 21, a rotary table upright column 22, a C-axis rotary table 23 and a first fixture fixing seat 24, wherein the B-axis rotary table 21 is installed on the lathe bed 1, the rotary table upright column 22 is rotatably installed on the B-axis rotary table 21, the C-axis rotary table 23 is installed on the rotary table upright column 22, the first fixture fixing seat 24 is rotatably installed on the C-axis rotary table 23, and a rotating shaft of the first fixture fixing seat 24 is perpendicular to a rotating shaft of the rotary table upright column 22;
and the machining mechanism 3 is installed on the lathe bed 1, the machining mechanism 3 comprises a machine tool spindle 31, and the machine tool spindle 31 corresponds to the clamp 4 installed on the first clamp fixing seat 24.
The lathe body 1 is used as a base of the numerical control machining center and is used for bearing each mechanism of the numerical control machining center; the multi-station fixture mechanism 2 and the processing mechanism 3 are both arranged on the lathe bed 1. The multi-station fixture mechanism 2 comprises a B-axis rotary table 21, a rotary table upright column 22, a C-axis rotary table 23 and a first fixture fixing seat 24, wherein the B-axis rotary table 21 is installed on the lathe bed 1, the rotary table upright column 22 is rotatably installed on the B-axis rotary table 21, specifically, the B-axis rotary table 21 and the upright column are perpendicular to each other and are connected through a rotary table (not shown in the figure), so that the rotary table upright column 22 can rotate around a vertical line perpendicular to the B-axis rotary table 21; namely: the lathe bed 1 is horizontally arranged, the B-axis state is horizontally arranged on the lathe bed 1, the rotary table upright column 22 is vertically arranged, and the rotary table upright column 22 can rotate around a vertical line. The C-axis turntable 23 is mounted on the turntable column 22, the first fixture fixing seat 24 is rotatably mounted on the turntable column 22, specifically, the first fixture fixing seat 24 and the C-axis turntable 23 are perpendicular to each other and connected through a rotating disk (not shown in the figure), so that the first fixture 4 fixing disk can rotate around the vertical line of the C-axis turntable 23; namely: the central axis of the fixed disc of the first clamp 4 is collinear with the central axis of the C-axis turntable 23, and the central axis of the C-axis turntable 23 is perpendicular to the central axis of the turntable column 22. The first clamp fixing seat 24 is used for installing the clamp 4 for clamping the workpiece. The machining mechanism 3 comprises a machine tool main shaft 31, and the machine tool main shaft 31 is used for machining a workpiece clamped on the clamp 4; specifically, the machine tool spindle 31 may be an electric spindle, which is a new technology for integrating a spindle and a spindle motor into a whole in the field of numerical control machines. During processing, a workpiece is clamped on the clamp 4; then the rotary table upright column 22 rotates relative to the B-axis rotary table 21, so that the front surface of the workpiece faces to the main shaft 31 of the machine tool; the machine tool spindle 31 processes the front surface of the workpiece; after the front face machining is completed, the rotary table upright column 22 rotates by 90 degrees, so that the left side face of the workpiece (defined as facing the front face of the workpiece, and the end face on the left side is the left side face of the workpiece) faces the machine tool spindle 31; the machine tool spindle 31 processes the left side surface of the workpiece; after the machining is finished, the rotary table upright column 22 rotates 180 degrees, so that the right side surface of the workpiece faces the machine tool spindle 31; the machine tool main shaft 31 processes the right side surface of the workpiece; after the machining is finished, the first fixture fixing seat 24 rotates 90 degrees relative to the C-axis rotating table 23, so that the positions of the top surface and the bottom surface of the workpiece and the positions of the left side surface and the right side surface of the workpiece are changed, and then the rotating table upright column 22 rotates 90 degrees, so that the top surface of the workpiece faces a machining main shaft of a machine tool; the machine tool spindle 31 processes the top surface of the workpiece; after the machining is finished, the rotary table upright column 22 rotates 180 degrees, so that the bottom surface of the workpiece faces a machining main shaft of the machine tool; the machine tool spindle 31 processes the bottom surface of the workpiece; after the machining is completed, the turntable column 22 rotates 90 degrees, so that the back of the workpiece faces the machine tool spindle 31, and at the moment, the worker can disassemble the machined workpiece. If the back of the workpiece needs to be processed, the workpiece can be reversely clamped, or the back of the workpiece can be processed in other procedures.
In some existing horizontal machining centers, the clamp 4 with the workpiece cannot rotate, and the workpiece is machined only by the three-axis linkage of the machine tool spindle 31, so that the workpiece needs to be clamped for many times, and the machining efficiency is influenced; in some horizontal machining centers, the clamp 4 can rotate around a vertical line, so that three surfaces (a front surface, a left side surface and a right side surface) of a workpiece can be machined simultaneously by one-time clamping, and if complex workpieces with top surfaces and bottom surfaces need to be machined, the workpiece needs to be clamped again, so that the production efficiency is influenced, and the machining precision of the workpiece can be influenced by multiple times of clamping. In the technical scheme, the multi-station fixture mechanism 2 is arranged, and a workpiece can be machined on five surfaces of the machine tool spindle 31 under the condition of one-time clamping through the rotation of the rotary table upright post 22 and the first fixture fixing seat 24, so that the machining production efficiency is greatly increased, and the condition of lower machining precision caused by multiple times of clamping is avoided; and the numerical control machining center is suitable for machining complex workpieces, so that the practicability of the numerical control machining center is higher.
Further, the multi-station fixture mechanism 2 further comprises a second fixture fixing seat 25, and the second fixture fixing seat 25 is installed on the turntable column 22 and is parallel to the C-axis turntable 23.
First anchor clamps fixing base 24 and C axle revolving stage 23 all set up in the upper end of revolving stage stand 22, and are parallel to each other, therefore first anchor clamps fixing base 24 and second anchor clamps fixing base 25 are also parallel to each other. The second fixture fixing seat 25 is also used for fixing the fixture 4, so that the multi-station fixture mechanism 2 can fix two fixtures 4 at the same time, and then can clamp two workpieces at the same time. Suppose that: the first fixture fixing seat 24 and the second fixture fixing seat 25 are respectively provided with a first fixture 4 and a second fixture 4, the first fixture 4 and the second fixture 4 are respectively clamped with a first workpiece and a second workpiece, and during machining, the rotary table upright column 22 rotates relative to the B-axis rotary table 21 to enable the front face of the first workpiece to face the machine tool spindle 31; the machine tool spindle 31 processes the front surface of the first workpiece; after the machining is finished, the rotary table upright column 22 rotates by 90 degrees, so that the left side surface of the first workpiece and the right side surface of the second workpiece face the machine tool spindle 31; the machine tool spindle 31 processes the left side surface of the first workpiece and the right side surface of the second workpiece; after the machining is finished, the rotary table upright column 22 rotates 180 degrees, so that the right side surface of the first workpiece and the left side surface of the second workpiece face the machine tool spindle 31; the machine tool spindle 31 processes the right end surface of the first workpiece and the left end surface of the second workpiece; after the machining is finished, the first fixture fixing seat 24 rotates 90 degrees relative to the C-axis rotating table 23, so that the positions of the top surface and the bottom surface of the first workpiece and the positions of the left side surface and the right side surface of the first workpiece are changed, and then the rotating table upright column 22 rotates 90 degrees, so that the top surface of the first workpiece faces a machining main shaft of a machine tool; the machine tool spindle 31 processes the top surface of the first workpiece; after the machining is finished, the rotary table upright column 22 rotates 180 degrees, so that the bottom surface of the first workpiece faces the machining main shaft of the machine tool; the machine tool spindle 31 processes the bottom surface of the first workpiece; after the machining is finished, the rotary table upright column 22 rotates by 90 degrees, so that the front surface of the second workpiece faces the machine tool spindle 31; the machine tool spindle 31 processes the front side of the second workpiece, and at this time, a worker can dismount the first workpiece and then mount a new workpiece to be processed; after the front surface of the second workpiece is machined, the turntable column 22 rotates 180 degrees, the worker then unloads the second workpiece, loads a new workpiece to be machined, and so on. If the number of the clamps 4 on the turntable column 22 is more than two, the front, rear, left and right end surfaces of the workpiece can be machined by controlling the rotation of the turntable column 22; the specific rotation angle and the rotation time need to be adaptively adjusted. The shape and structure of the jig 4 can be selected adaptively according to the workpiece to be machined, and is not limited herein.
The second fixture fixing seat 25 is arranged, so that the multi-station fixture mechanism 2 can be simultaneously provided with two fixtures 4, different workpieces can be clamped simultaneously, and the machine tool spindle 31 can process a plurality of end surfaces of the two workpieces through the rotation of the rotary table upright column 22 and the first fixture fixing seat 24; when the front surface of one workpiece is machined, the other workpiece can be subjected to loading or unloading, so that the material changing without stopping is realized, and the production efficiency is further improved; and be provided with first anchor clamps fixing base 24 and second anchor clamps fixing base 25 simultaneously on the revolving stage stand 22, make numerical control machining center compacter, whole volume diminish, area is littleer.
Preferably, two C-axis turrets 23 can be mounted on the turret column 22, and the first fixture mount 24 and the second fixture mount 25 are respectively mounted on two different C-axis turrets 23. By the arrangement, five surfaces of two workpieces can be machined by the machine tool spindle 31 under the condition of one-time clamping, so that the production efficiency is greatly improved.
Further, the fixture further comprises a turntable protection plate 5 arranged between the C-axis turntable 23 and the second fixture fixing seat 25.
The revolving stage guard plate 5 sets up on revolving stage stand 22, and separate first anchor clamps fixing base 24 and second anchor clamps fixing base 25, work piece that 4 clamping of anchor clamps on the first anchor clamps fixing base 24 was being processed by lathe main shaft 31 man-hour, revolving stage guard plate 5 can block the sweeps that produce in the course of working, the cutting fluid that splashes out etc. avoid splashing one side at second anchor clamps fixing base 25 place, consequently, can protect the staff, make the staff can avoid the sweeps, the cutting fluid causes the injury, and can let the staff smoothly load and unload the work piece of clamping on 4 that the anchor clamps that second anchor clamps fixing base 25 corresponds.
Further, the clamp opening and closing protection assembly 6 is arranged between the C-axis rotary table 23 and the second clamp fixing seat 25, the clamp opening and closing protection assembly 6 comprises a left protection door 61 and a right protection door 62, and the C-axis rotary table 23 and the second clamp fixing seat 25 can be spaced when the left protection door 61 and the right protection door 62 are closed.
In this embodiment, the first fixture fixing seat 24 and the second fixture fixing seat 25 are installed on the turntable column 22, and both the first fixture fixing seat and the second fixture fixing seat are installed with the fixture 4, and when a worker who clamps on one of the fixtures 4 is working, the other fixture 4 can normally load and unload materials. If one of the clamps 4 needs to be loaded or unloaded, because the workpiece clamped by the other clamp 4 is being processed, scraps generated by processing may splash onto a worker and affect the worker, and therefore a protection device is needed to separate the first clamp fixing seat 24 from the second clamp fixing seat 25. The clamp opening and closing protection assembly 6 is mainly a left and right opening and closing protection door, and when the left protection door 61 and the right protection door 62 are closed, the clamp opening and closing protection assembly 6 can separate the first clamp fixing seat 24 from the second clamp fixing seat 25, so that a worker is prevented from being splashed by scraps, cutting fluid and the like in the feeding or blanking process; be provided with anchor clamps and open and shut protection component 6 and also can improve the security performance to guarantee staff's safety at material loading or unloading in-process.
Further, the device also comprises a protective wall 7 which is arranged on the lathe bed 1 in an enclosing way; the clamp opening and closing protection assembly 6 further comprises a first air cylinder 63 and a second air cylinder 64, the first air cylinder 63 and the second air cylinder 64 are both installed on the protection wall 7, the left protection door 61 is installed on the output end of the first air cylinder 63, and the right protection door 62 is installed on the output end of the second air cylinder 64.
The lathe bed 1 is a lower base, the multi-station fixture mechanism 2, the machining mechanism 3 and the fixture opening and closing protection assembly 6 are all located above the lathe bed 1, and the protection wall 7 is arranged around the lathe bed 1 in a surrounding mode so as to enable the whole horizontal machining to be in a closed state, and therefore safety of the horizontal machining center is improved. The clamp opening and closing protection assembly 6 further comprises a first air cylinder 63 and a second air cylinder 64, wherein the first air cylinder 63 and the second air cylinder 64 are arranged on the inner top surface of the protection wall 7 and are respectively positioned at two opposite sides of the rotary table upright post 22; the left protective door 61 and the right protective door 62 are respectively installed at the output ends of the first air cylinder 63 and the second air cylinder 64, namely when the first air cylinder 63 and the second air cylinder 64 are extended, the left protective door 61 and the right protective door 62 are closed to separate the first fixture fixing seat 24 from the second fixture fixing seat 25, and when the first air cylinder 63 and the second air cylinder 64 are contracted, the left protective door 61 and the right protective door 62 are mutually away and opened so as not to influence the rotation of the turntable upright 22. Of course, in other embodiments, the opening or closing of the left guard door 61 and the right guard door 62 may also be controlled by other driving methods, such as; lead screws, motors, etc.; the specific positions of the first cylinder 63 and the second cylinder 64 can also be arranged in different places according to requirements, such as additionally arranging a support frame or arranging the support frame on the machine bed 1. The first air cylinder 63 and the second air cylinder 64 are arranged, so that the left protective door 61 and the right protective door 62 can be intelligently controlled to be opened or closed, and the left protective door 61 and the right protective door 62 can be mutually matched with the machining mechanism 3, and the opening or closing accuracy of the left protective door 61 and the right protective door 62 is guaranteed.
Further, the clamp opening and closing protection assembly 6 further includes a first sensing switch 65 for sensing the opening and closing state of the left protection door 61 and a second sensing switch 66 for sensing the opening and closing state of the right protection door 62, and both the first sensing switch 65 and the second sensing switch 66 are installed on the protection wall 7.
In order to further ensure the safety of the workers, during the feeding or discharging process, the left protective door 61 and the right protective door 62 should be closed, or the machine tool spindle 31 stops processing the workpiece; however, in order to improve the production work efficiency, the machine tool spindle 31 is enabled to continue to process the workpiece, but the left protective door 61 and the right protective door 62 are ensured to be closed; therefore, besides manually observing the opening and closing states of the left protective door 61 and the right protective door 62, a sensor is required to accurately sense the actual opening and closing states, and the machining center control system can control the operation of the machine tool spindle 31 according to the opening and closing states of the left protective door 61 and the right protective door 62 (for example, when a worker needs to perform blanking, the left protective door 61 and the right protective door 62 are not closed, and the machine tool spindle 31 is controlled to stop operating). The first and second sensing switches 65 and 66 may take various forms such as a proximity switch, a contact sensing switch, a position sensor, and the like. The first sensing switch 65 and the second sensing switch 66 are installed on the protection wall 7 in the embodiment, so that the opening and closing states of the left protection door 61 and the right protection door 62 can be accurately sensed, and the use safety of the equipment is guaranteed.
Further, the machining mechanism 3 further comprises a saddle 32, a machine tool column 33 and a spindle box 34, wherein the saddle 32 is slidably mounted on the machine tool body 1, and the moving direction of the saddle 32 is away from or close to the multi-station fixture mechanism 2; the machine tool column 33 is slidably mounted on the saddle 32, and the moving direction of the machine tool column 33 is perpendicular to the moving direction of the saddle 32; the spindle box 34 is mounted on the machine tool column 33 in a vertically slidable manner, and the machine tool spindle 31 is mounted at one end of the spindle box 34 close to the multi-station fixture mechanism 2.
The machining mechanism 3 is mainly used to drive the machine tool spindle 31 to move in XYZ directions to machine a workpiece. The machining mechanism 3 further comprises a saddle 32, a machine tool column 33 and a spindle box 34 besides the machine tool spindle 31, wherein the saddle 32 is slidably mounted on the machine tool body 1, that is, the saddle 32 can slide relative to the machine tool body 1, specifically, a linear guide rail can be arranged on the machine tool 1, and then the saddle 32 is mounted on the linear guide rail, or the saddle 32 is driven to move by a screw structure, and the moving direction of the saddle 32 is close to or far away from the multi-station fixture mechanism 2. The machine tool column 33 is installed on the saddle 32 in a sliding manner, that is, the machine tool column 33 can slide relative to the saddle 32, specifically, a linear guide rail can be arranged on the saddle 32, and then the machine tool column 33 is installed on the linear guide rail, or the machine tool column 33 is driven to move by a screw rod structure; the machine tool column 33 is arranged on the saddle 32, so that the movement of the saddle 32 drives the machine tool column 33 to move; when the machine tool column 33 is moved alone, the moving direction thereof is perpendicular to the moving direction of the saddle 32. The headstock 34 is mounted on the machine tool column 33 in a vertically slidable manner and is perpendicular to the machine tool column 33, that is, the machine tool column 33 is in a vertical state relative to the machine tool body 1, and the headstock 34 is in a horizontal state relative to the machine tool body 1; the machine tool spindle 31 is mounted at one end of the spindle box 34 close to the multi-station fixture mechanism 2, the spindle box 34 is mounted on the machine tool column 33, so that the saddle 32 can slide to drive the machine tool spindle 31 to slide in the direction close to and away from the multi-station fixture mechanism 2, the machine tool column 33 can slide to drive the machine tool spindle 31 to slide, the spindle box 34 can slide up and down to drive the machine tool spindle 31 to slide in the vertical direction, and therefore the machining mechanism 3 drives the machine tool spindle 31 to move in the directions of XYZ axes.
Further, the automatic rolling shutter device further comprises a rolling shutter protection assembly 8 installed on the lathe bed 1, wherein the rolling shutter protection assembly 8 is located between the machining mechanism 3 and the multi-station fixture mechanism 2; in a machining state, the machine tool spindle 31 penetrates through the roller shutter protection assembly 8 and extends into the side where the multi-station fixture mechanism 2 is located.
The roller shutter protection assembly 8 is arranged between the machining mechanism 3 and the multi-station fixture mechanism 2 and is mainly used for spacing the machining mechanism 3 and the multi-station fixture mechanism 2 so as to prevent scraps, cutting fluid and the like generated in the machining process from splashing to one side of the machining mechanism 3 when the machine tool spindle 31 is used for machining a workpiece, and further, some components and parts, an electric control device and the like of the machining mechanism 3 are influenced. The rolling curtain protection component 8 separates the processing mechanism 3 from the multi-station fixture mechanism 2, but a machine tool spindle 31 of the processing mechanism 3 needs to process a workpiece, so that the rolling curtain protection component 8 is provided with a position for the machine tool spindle 31 to pass through, and the machine tool spindle 31 can pass through the rolling curtain protection component 8 and extend into one side of the multi-station fixture mechanism 2. Being provided with roll up curtain protection component 8 can significantly reduce in the course of working and produce sweeps and cutting fluid etc. and splash to the processing agency 3 to avoid influencing the normal operating (like removing, control etc.) of processing agency 3.
Further, the rolling shutter protection assembly 8 comprises an X-axis protection framework 81, a Y-axis protection framework 82 and a Z-axis protection framework 83; the X-axis protective framework 81 is arranged on the lathe bed 1, the Y-axis protective framework 82 is slidably arranged on the X-axis protective framework 81, the Z-axis protective framework 83 is slidably arranged on the Y-axis protective framework 82, and the spindle box 34 penetrates through the Z-axis protective framework 83 to enable the machine tool spindle 31 to be located on one side where the multi-station fixture mechanism 2 is located; the X-axis protective framework 81, the Y-axis protective framework 82 and the Z-axis protective framework 83 are all provided with flexible roller shutters 84.
The machine tool spindle 31 needs to move in the directions of XYZ axes during the process of processing a workpiece, and the roller shutter protection assembly 8 is mainly used for separating the processing mechanism 3 from the multi-station fixture mechanism 2; therefore, in order to ensure that the rolling shutter protection assembly 8 can always protect the machining mechanism 3 during the movement of the machine spindle 31, the rolling shutter protection assembly 8 needs to be configured to adapt to the movement of the machine spindle 31 in XYZ axes. The rolling shutter protection component 8 comprises an X-axis protection framework 81, a Y-axis protection framework 82 and a Z-axis protection framework 83; the X-axis protective framework 81 is arranged on the lathe bed 1 and can define the moving direction of the saddle 32 as the X-axis direction; the Y-axis protective framework 82 is slidably arranged on the X-axis protective framework 81, and flexible roller shutters 84 are arranged on two sides of the Y-axis protective framework 82 of the X-axis protective framework 81; the Z-axis protective framework 83 is slidably arranged on the Y-axis protective framework 82, and the Y-axis protective framework 82 is arranged on the flexible roller shutters 84 at the upper side and the lower side of the Z-axis protective framework 83; the spindle box 34 penetrates through the Z-axis protective framework 83 to enable the machine tool spindle 31 to be located on one side of the multi-station fixture mechanism 2, and a flexible roller shutter 84 is installed on the Z-axis protective framework 83. When the machine tool spindle 31 moves in the X-axis direction, that is, the saddle 32 approaches or leaves the multi-station jig mechanism 2, the spindle box 34 performs insertion and extraction operations with respect to the Z-axis protective framework 83; when the machine tool main shaft 31 moves in the Y-axis direction, that is, the Y-axis protective framework 82 moves relative to the X-axis protective framework 81, one side of the flexible roller blinds 84 on both sides of the Y-axis protective framework 82 is compressed, and the other side is stretched; when the machine tool spindle 31 moves in the Z-axis direction, that is, the Z-axis protective frame 83 moves up and down relative to the Y-axis protective frame 82, one side of the flexible roller blinds 84 on the upper and lower sides of the Z-axis protective frame 83 is compressed, and the other side is stretched. Therefore, scraps, cutting fluid and the like generated in the workpiece machining process can be blocked by the flexible roller shutter 84 in the splashing process, and cannot splash to one side of the machining mechanism 3, so that the protection of the flexible roller shutter 84 on the machining mechanism 3 is ensured, and the influence of the scraps and the like on the normal operation of the machining mechanism 3 is avoided.
Further, the automatic tool changer further comprises a horizontal tool magazine 9 and a tool magazine protection door 10, wherein the horizontal tool magazine 9 is installed on the lathe bed 1 and located on one side of the multi-station fixture mechanism 2, and the tool magazine protection door 10 is arranged between the horizontal tool magazine 9 and the multi-station fixture mechanism 2.
The horizontal tool magazine 9 is used for storing tools of various types, and different tools are often adopted to meet the required processing requirements when different workpieces or different positions of the same workpiece need to be processed. The horizontal tool magazine 9 is arranged, so that the tool of the machine tool spindle 31 can be conveniently replaced, and the machining efficiency is improved. Preferably, in order to make the machining center more intelligent, an automatic tool changer (not shown in the figure) such as a robot or the like may be further provided to cooperate with the horizontal tool magazine 9 and the machine spindle 31. A tool magazine protection door 10 is arranged between the horizontal tool magazine 9 and the multi-station fixture mechanism 2 (namely between the horizontal tool magazine 9 and the machining station), the tool magazine protection door 10 can be controlled to be opened or closed through a control system, the tool magazine protection door 10 is used for spacing the horizontal tool magazine 9 from the machining station, and scraps, cutting fluid and the like generated in the machining process are prevented from splashing into the horizontal tool magazine 9, so that the horizontal tool magazine 9 can be protected to a certain extent.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a but numerical control machining center of a clamping multiface processing which characterized in that includes:
a bed body (1);
the multi-station fixture mechanism (2) comprises a B-axis rotary table (21), a rotary table upright post (22), a C-axis rotary table (23) and a first fixture fixing seat (24), wherein the B-axis rotary table (21) is installed on the machine body (1), the rotary table upright post (22) is rotatably installed on the B-axis rotary table (21), the C-axis rotary table (23) is installed on the rotary table upright post (22), the first fixture fixing seat (24) is rotatably installed on the C-axis rotary table (23), and a rotating shaft of the first fixture fixing seat (24) is perpendicular to a rotating shaft of the rotary table upright post (22);
the machining mechanism (3) is installed on the lathe bed (1), the machining mechanism (3) comprises a machine tool spindle (31), and the machine tool spindle (31) corresponds to a clamp (4) installed on the first clamp fixing seat (24) mutually.
2. The numerical control machining center capable of realizing one-time clamping and multi-surface machining according to claim 1, wherein the multi-station fixture mechanism (2) further comprises a second fixture fixing seat (25), and the second fixture fixing seat (25) is installed on the turntable upright (22) and is arranged in parallel with the C-axis turntable (23).
3. The numerical control machining center capable of machining by one clamping and multiple surfaces is characterized by further comprising a turntable protection plate (5) arranged between the C-axis turntable (23) and the second clamp fixing seat (25).
4. The numerical control machining center capable of realizing one-time clamping and multi-surface machining is characterized by further comprising a clamp opening and closing protection assembly (6) arranged between the C-axis rotary table (23) and the second clamp fixing seat (25), wherein the clamp opening and closing protection assembly (6) comprises a left protection door (61) and a right protection door (62), and the C-axis rotary table (23) and the second clamp fixing seat (25) can be spaced when the left protection door (61) and the right protection door (62) are closed.
5. The numerical control machining center capable of machining a plurality of surfaces by one clamping as claimed in claim 4, characterized by further comprising a protective wall (7) surrounding the machine body (1); the clamp opening and closing protection assembly (6) further comprises a first air cylinder (63) and a second air cylinder (64), the first air cylinder (63) and the second air cylinder (64) are installed on the protection wall (7), the left protection door (61) is installed at the output end of the first air cylinder (63), and the right protection door (62) is installed at the output end of the second air cylinder (64).
6. The numerical control machining center capable of realizing one-time clamping and multi-surface machining according to claim 5, wherein the clamp opening and closing protection assembly (6) further comprises a first sensing switch (65) for sensing the opening and closing state of the left protection door (61) and a second sensing switch (66) for sensing the opening and closing state of the right protection door (62), and the first sensing switch (65) and the second sensing switch (66) are both installed on the protection wall (7).
7. The numerical control machining center capable of machining by clamping and multi-surface machining once according to claim 1, characterized in that the machining mechanism (3) further comprises a saddle (32), a machine tool upright (33) and a spindle box (34), the saddle (32) is slidably mounted on the machine tool body (1), and the moving direction of the saddle (32) is far away from or close to the multi-station fixture mechanism (2); the machine tool upright post (33) is slidably mounted on the saddle (32), and the moving direction of the machine tool upright post (33) is perpendicular to the moving direction of the saddle (32); the spindle box (34) is mounted on the machine tool upright post (33) in a vertically sliding mode, and the machine tool spindle (31) is mounted at one end, close to the multi-station clamp mechanism (2), of the spindle box (34).
8. The numerical control machining center capable of machining by one clamping and multiple surfaces according to claim 1, characterized by further comprising a roller shutter protection assembly (8) installed on the machine body (1), wherein the roller shutter protection assembly (8) is located between the machining mechanism (3) and the multi-station fixture mechanism (2); in a machining state, the machine tool spindle (31) penetrates through the roller shutter protection assembly (8) and extends into one side of the multi-station fixture mechanism (2).
9. The numerical control machining center capable of machining multiple surfaces by one clamping as claimed in claim 8, wherein the roller shutter protection assembly (8) comprises an X-axis protection framework (81), a Y-axis protection framework (82) and a Z-axis protection framework (83); the X-axis protective framework (81) is installed on the lathe bed (1), the Y-axis protective framework (82) is installed on the X-axis protective framework (81) in a sliding mode, the Z-axis protective framework (83) is installed on the Y-axis protective framework (82) in a sliding mode, and the spindle box (34) penetrates through the Z-axis protective framework (83) to enable the machine tool spindle (31) to be located on one side where the multi-station fixture mechanism (2) is located; x axle protection skeleton (81) Y axle protection skeleton (82) with all install flexible book curtain (84) on Z axle protection skeleton (83).
10. The numerical control machining center capable of machining multiple surfaces by one clamping is characterized by further comprising a horizontal tool magazine (9) and a tool magazine protection door (10), wherein the horizontal tool magazine (9) is installed on the machine body (1) and located on one side of the multi-station fixture mechanism (2), and the tool magazine protection door (10) is arranged between the horizontal tool magazine (9) and the multi-station fixture mechanism (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011552389.2A CN112720007A (en) | 2020-12-24 | 2020-12-24 | One-time clamping numerical control machining center capable of machining multiple surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011552389.2A CN112720007A (en) | 2020-12-24 | 2020-12-24 | One-time clamping numerical control machining center capable of machining multiple surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112720007A true CN112720007A (en) | 2021-04-30 |
Family
ID=75615329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011552389.2A Pending CN112720007A (en) | 2020-12-24 | 2020-12-24 | One-time clamping numerical control machining center capable of machining multiple surfaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112720007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043279A (en) * | 2021-12-01 | 2022-02-15 | 广东普拉迪科技股份有限公司 | Combined type machining machine tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202070919U (en) * | 2011-03-24 | 2011-12-14 | 济南大学 | Novel five-axis horizontal machine tool |
| CN106670823A (en) * | 2016-04-27 | 2017-05-17 | 上海大侨誉远精密机械有限公司 | Novel vertical and horizontal combined machining center |
| CN108747440A (en) * | 2018-08-31 | 2018-11-06 | 无锡金戈数控设备有限公司 | Multifunctional numerical control machining center |
| CN109277829A (en) * | 2018-11-21 | 2019-01-29 | 北京理工大学 | A kind of efficient numerically controlled longitudinal sectional turning-milling complex processing lathe |
| CN209408053U (en) * | 2018-12-29 | 2019-09-20 | 青岛瑞莱堡精密工业有限公司 | A kind of horizontal Machining centers wall type protection mechanism |
| CN211759818U (en) * | 2019-12-17 | 2020-10-27 | 深圳市华亚数控机床有限公司 | Gantry type horizontal machining center |
-
2020
- 2020-12-24 CN CN202011552389.2A patent/CN112720007A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202070919U (en) * | 2011-03-24 | 2011-12-14 | 济南大学 | Novel five-axis horizontal machine tool |
| CN106670823A (en) * | 2016-04-27 | 2017-05-17 | 上海大侨誉远精密机械有限公司 | Novel vertical and horizontal combined machining center |
| CN108747440A (en) * | 2018-08-31 | 2018-11-06 | 无锡金戈数控设备有限公司 | Multifunctional numerical control machining center |
| CN109277829A (en) * | 2018-11-21 | 2019-01-29 | 北京理工大学 | A kind of efficient numerically controlled longitudinal sectional turning-milling complex processing lathe |
| CN209408053U (en) * | 2018-12-29 | 2019-09-20 | 青岛瑞莱堡精密工业有限公司 | A kind of horizontal Machining centers wall type protection mechanism |
| CN211759818U (en) * | 2019-12-17 | 2020-10-27 | 深圳市华亚数控机床有限公司 | Gantry type horizontal machining center |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043279A (en) * | 2021-12-01 | 2022-02-15 | 广东普拉迪科技股份有限公司 | Combined type machining machine tool |
| CN114043279B (en) * | 2021-12-01 | 2023-03-10 | 广东普拉迪科技股份有限公司 | Combined machining tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107838806A (en) | Intelligent polishing machine tool | |
| EP1495833B1 (en) | NC Lathe | |
| CN109475991B (en) | Machine for machining workpieces | |
| US6178608B1 (en) | Rotary transfer machine | |
| CN206296665U (en) | A kind of Compositions of metal-working machines of rotary digital control milling machine and grinding machine | |
| JP6263607B2 (en) | Machine Tools | |
| KR20150050296A (en) | Door-type automatic material-taking device | |
| CN210499508U (en) | Five-axis section bar machining center of area cradle formula | |
| CN112318211A (en) | Compact horizontal machining center with multi-station non-stop material changing function | |
| CN112720007A (en) | One-time clamping numerical control machining center capable of machining multiple surfaces | |
| EP2208570A1 (en) | Machining center | |
| CN116141030B (en) | Swing-head type five-axis cam rotary table machining machine tool and use method thereof | |
| CN114425712A (en) | Automatic tool changing device, numerical control machine tool and tool changing method | |
| CN112872911A (en) | Moving-column fixed-distance high-speed horizontal machining center | |
| CN115476188A (en) | CNC double-station double-five-shaft machine for jewelry industry | |
| WO2022156023A1 (en) | Multifunctional rotating table for use in quartz machining centre | |
| RU38126U1 (en) | METAL-CUTTING MACHINE FOR INTEGRATED FIVE-ORDER PROCESSING | |
| KR102058172B1 (en) | Machining center with open and close type standby cabinet | |
| US6651536B1 (en) | Lathe | |
| CN219152247U (en) | Vertical machining center | |
| CN218964785U (en) | Tool magazine driving device and CNC double-station five-axis machine | |
| CN110919368A (en) | Double-station turning and milling composite gantry machining center | |
| CN214559509U (en) | High-efficiency five-axis linkage numerical control vertical machining center | |
| CN214134850U (en) | Horizontal four-station milling and drilling composite special machine | |
| CN219005267U (en) | Clamp for numerical control lathe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |