CN113695649B - Lathe bed structure for electric locomotive ultra-low temperature gear box processing machine tool - Google Patents
Lathe bed structure for electric locomotive ultra-low temperature gear box processing machine tool Download PDFInfo
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- CN113695649B CN113695649B CN202111259209.6A CN202111259209A CN113695649B CN 113695649 B CN113695649 B CN 113695649B CN 202111259209 A CN202111259209 A CN 202111259209A CN 113695649 B CN113695649 B CN 113695649B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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- 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
- B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
- B23Q3/154—Stationary devices
- B23Q3/1546—Stationary devices using permanent magnets
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Abstract
The invention relates to the technical field of machine tool machining, in particular to a lathe bed structure for an ultralow temperature gearbox machining machine tool of an electric locomotive, which comprises the following components: the milling machine comprises a machine tool supporting base frame, a milling movement mechanism, a milling machine head, a movement clamping mechanism and a positioning clamp, wherein the movement clamping mechanism and the positioning clamp are fixed on the surface of the milling movement mechanism, the bottom surface of the milling movement mechanism is fixedly connected with the top surface of the milling machine head, the milling machine head is fixedly installed at the output end of the milling movement mechanism, the movement clamping mechanism comprises a workpiece translation rail fixed on the surface of the machine tool supporting base frame, and a sliding rail groove is formed in the surface of the workpiece translation rail. Through setting up multiaxis drive structure and work piece motion structure, utilize and mill the spatial three-dimensional motion that the motion carries out the milling process aircraft nose to thereby carry out the accurate milling process of plane movement carrying out gear box inside groove through moving fixture drive gear box work piece, accomplish the complete milling at each position of multiaxis motion guarantee gear box work piece, avoid processing the dead angle, improve the practicality of lathe bed.
Description
Technical Field
The invention relates to the technical field of machine tool machining, in particular to a lathe bed structure for an ultralow-temperature gearbox machining machine tool of an electric locomotive.
Background
The existing electric locomotive gear box has two types: one is a welded gear case and the other is a cast aluminum gear case. The former gearbox is used on a direct current vehicle, and the latter gearbox is used on an alternating current vehicle after being improved. Both gearboxes are subject to different disadvantages: the welded gear box is easy to be welded and deformed, cracks are generated due to stress, and the phenomenon that the stress of single-side suspension is unreasonable and the like is easy to occur; the cast aluminum gear box has the advantages that firstly, the cast aluminum gear box is expensive in manufacturing cost and generally needs 2-3 ten thousand yuan, secondly, the cast aluminum gear box leaks due to casting looseness, and thirdly, cracking and other phenomena are easily caused due to the action of external force. Therefore, machine tool machining type integrated gear case structure is mainly adopted.
The gear box is as the protective part of gear assembly, because the composition structure of gear is different, its shape is also different, therefore its transportation is just very troublesome, use the transportation anchor clamps of other products, because the difference of shape, cause to collide with very easily, cause the damage, consequently, different gear boxes need different anchor clamps to fix, just so caused unnecessary extravagant, and anchor clamps mostly constitute for the cube block, and drive the shrink through electric telescopic handle, so that press from both sides and get, but the tight gear box body of clamp that current anchor clamps are often firm, also can not realize the accurate regulation, the structure is complicated, high cost, the operation is complicated, extravagant artifical the urgent, need easy operation, the high lathe bed structure that is used for gear box machine tool that production efficiency is used for.
In view of the above, the present invention provides a lathe bed structure for an ultra-low temperature gearbox processing machine tool of an electric locomotive, which is designed to solve the problems of difficult clamping operation and complicated structure and poor stability of the existing clamping operation, and aims to achieve the purposes of solving the problems and improving the practical value through the technology.
Disclosure of Invention
The present invention is directed to solving one of the technical problems of the prior art or the related art.
Therefore, the technical scheme adopted by the invention is as follows: the utility model provides a lathe bed structure that electric locomotive ultra-low temperature gear box machine tool was used, includes: the milling machine comprises a machine tool support base frame, a milling movement mechanism, a milling machine head, a movement clamping mechanism and a positioning clamp, wherein the movement clamping mechanism and the positioning clamp are fixed on the surface of the milling movement mechanism; the motion clamping mechanism comprises a workpiece translation rail fixed on the surface of a machine tool supporting base frame, a sliding rail groove is formed in the surface of the workpiece translation rail, a motion block is slidably mounted inside the sliding rail groove, a driving motor is fixedly mounted inside the sliding rail groove, the output end of the driving motor is fixedly connected with a spiral driving rod located inside the sliding rail groove, the motion block is movably sleeved on the surface of the spiral driving rod, a clutch driving rod is embedded and mounted on the inner side of the motion block, the output end of the clutch driving rod is fixedly connected with a clutch tooth, and the surface of the clutch tooth is in sliding fit with the surface of the spiral driving rod; positioning fixture includes holder end, first permanent magnetism piece, second permanent magnetism piece and yoke baffle, the deflection hole has been seted up on the surface of holder end, first permanent magnetism piece and yoke baffle fixed mounting are in the inside in deflection hole, one side of holder end is equipped with the yoke suction disc, the surface of yoke suction disc is laminated with the surface of first permanent magnetism piece mutually, the second permanent magnetism piece rotates and cup joints in one side of first permanent magnetism piece, and the opposite side of second permanent magnetism piece is equipped with the deflection steering wheel.
The present invention in a preferred example may be further configured to: the milling movement mechanism comprises a plane movement rail, a vertical movement rail and a lifting movement rail, a movement vertical plate is slidably mounted on the surface of the plane movement rail, the vertical movement rail is fixedly mounted on the inner side of the movement vertical plate, a lifting base plate is slidably mounted on the surface of the movement vertical plate, the lifting movement rail is fixed on the surface of the lifting base plate, and the milling machine head is slidably mounted on the surface of the lifting movement rail.
Furthermore, electric driving push rods are arranged on one sides of the plane moving rail and the vertical moving rail, the end parts of the two groups of electric driving push rods are fixedly connected with one sides of the moving vertical plate and the lifting base plate respectively, and a lifting driving rod fixedly connected with the surface of the milling machine head is fixedly arranged on the surface of the lifting moving rail.
By adopting the technical scheme, the plurality of driving rods on the surface of the milling movement mechanism are used for controlling the movement of the movement vertical plate and the lifting base plate to perform spatial three-dimensional movement of the milling machine head, and the movement clamping mechanism is used for driving the gear box workpiece to perform plane movement so as to perform accurate milling of the inner groove of the gear box, complete multi-axis movement is completed, complete milling of each part of the gear box workpiece is guaranteed, and machining dead angles are avoided.
Furthermore, the plane motion rail and the vertical motion rail are arranged in the vertical direction, the motion clamping mechanisms are parallel to the arrangement direction of the plane motion rail and located under the milling machine head, and the number of the motion clamping mechanisms is a plurality of groups and is arranged in parallel.
By adopting the technical scheme, a spatial three-dimensional motion system is constructed by utilizing the plane motion rail, the vertical motion rail and the lifting motion rail, so that the milling machine head can perform front-back left-right and lifting motion in the space to perform multi-axis motion milling on the surface of a workpiece to perform accurate numerical control processing.
The present invention in a preferred example may be further configured to: the motion piece is the structure of falling the U-shaped and cup joints in the surface of spiral drive pole, the outside of motion piece slides with the inner wall in slip rail groove and laminates, positioning fixture is fixed in the top surface of motion piece, and positioning fixture's quantity be a plurality of and two liang equally divide for a set ofly, and every group positioning fixture is the surface of symmetrical arrangement in same work piece translation rail.
Through adopting above-mentioned technical scheme, utilize two motion pieces and the positioning fixture on work piece translation rail surface to carry out the double fixed effect that the centre gripping is fixed and magnetism adsorbs to the both sides of work piece respectively, guarantee the firm of public house location, avoid the work piece migration motion in the processing.
The present invention in a preferred example may be further configured to: the spiral driving rod is a spiral rotating rod structure, the clutch rodent is a component made of polytetrafluoroethylene, and one end of the clutch rodent is embedded into a spiral groove of the spiral driving rod.
Through adopting above-mentioned technical scheme, through the position of separation and reunion rodent and the separation and reunion control motion piece of helical drive pole, the smooth and easy motion of motion piece can be guaranteed to the characteristics that the polytetrafluoroethylene material has wear-resisting low coefficient of friction.
The present invention in a preferred example may be further configured to: the first permanent magnet and the second permanent magnet are the same in structure size and are made of neodymium magnets, the magnetic pole directions of the first permanent magnet and the second permanent magnet are parallel to the surface of the magnetic yoke suction plate, and the second permanent magnet is fixedly connected with the output end of the deflection steering engine.
Further, the magnet yoke suction plate and the magnet yoke partition plate are ferromagnetic members, a rotating pin penetrates through the surface of the magnet yoke partition plate, the first permanent magnet and the second permanent magnet are movably sleeved on the surface of the rotating pin, and anti-skid grains are arranged on one side of the first permanent magnet.
Through adopting above-mentioned technical scheme, utilize the deflection motor control second permanent magnetism piece to deflect and make the magnetic pole of first permanent magnetism piece and second permanent magnetism piece be the same direction promptly the magnetic induction line of first permanent magnetism piece and second permanent magnetism piece overlap and form the magnetic attraction power to the work piece and carry out preliminary fixed at one side of yoke suction disc to the work piece, the magnetic induction line that utilizes first permanent magnetism piece and second permanent magnetism piece superposes each other or disturbs the magnetism of centre gripping work piece and inhale and release, the cooperation moves fixture structure and stabilizes the centre gripping to the work piece, easy operation fixed effect is firm.
The beneficial effects obtained by the invention are as follows:
1. according to the milling machine tool, the multi-shaft driving structure and the workpiece moving structure are arranged, the milling moving mechanism is used for spatial three-dimensional movement of the milling machine head, the gear box workpiece is driven by the moving clamping mechanism to move in a plane, so that accurate milling of an inner groove of the gear box is carried out, the multi-shaft movement is completed, complete milling of all parts of the gear box workpiece is guaranteed, a machining dead angle is avoided, and the practicability of the machine tool body is improved.
2. According to the invention, by arranging a novel motion clamping mechanism structure, the motion is actively controlled by utilizing two motion block models on the surface of the workpiece translation rail, the relative distance and approach of the positioning clamp can be carried out in the asynchronous motion of the two motion blocks to respectively release, hold and fix the workpiece, and the workpiece clamped and fixed can be driven to move in parallel in the synchronous motion of the two motion blocks, so that the clamping and moving processes are completed.
3. According to the invention, by arranging the permanent magnetic adsorption type clamp structure, the magnetic induction lines of the first permanent magnet and the second permanent magnet are mutually overlapped or interfered to carry out magnetic attraction and release of the clamped workpiece, and the workpiece is stably clamped by matching with the moving clamping mechanism structure, so that the operation is simple, the fixing effect is firm, and the offset motion in the workpiece processing can be effectively avoided.
Drawings
FIG. 1 is a schematic overall structure diagram of one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a milling motion mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of a kinematic fixture and positioning fixture mounting arrangement according to one embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a motion clamping mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic top view of a sliding track groove according to an embodiment of the present invention;
FIG. 6 is an exploded view of a positioning fixture according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of the working principle of the positioning fixture according to an embodiment of the present invention.
Reference numerals:
100. a machine tool support pedestal;
200. a milling motion mechanism; 210. a planar motion rail; 220. a vertical motion rail; 230. a lifting motion rail; 211. moving the vertical plate; 221. lifting the substrate;
300. milling a machine head;
400. a motion clamping mechanism; 410. a workpiece translation rail; 420. a motion block; 430. a helical drive shaft; 440. a drive motor; 411. a sliding rail groove; 421. a clutch driving rod; 422. a clutch engaging tooth;
500. positioning a clamp; 510. the end of the clamping seat; 520. a first permanent magnet; 530. a second permanent magnet; 540. a yoke spacer; 511. a deflection hole; 512. and a magnetic yoke suction plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
It is to be understood that this description is made only by way of example and not as a limitation on the scope of the invention.
The following describes a lathe bed structure for an electric locomotive ultralow-temperature gearbox processing machine tool, which is provided by some embodiments of the invention, with reference to the attached drawings.
Referring to fig. 1 to 7, the present invention provides a lathe bed structure for an electric locomotive ultralow temperature gearbox processing machine tool, including: the milling machine comprises a machine tool supporting base frame 100, a milling movement mechanism 200, a milling machine head 300, a movement clamping mechanism 400 and a positioning clamp 500, wherein the movement clamping mechanism 400 and the positioning clamp 500 are fixed on the surface of the milling movement mechanism 200; the moving clamping mechanism 400 comprises a workpiece translation rail 410 fixed on the surface of the machine tool support pedestal 100, a sliding rail groove 411 is formed in the surface of the workpiece translation rail 410, a moving block 420 is slidably mounted inside the sliding rail groove 411, a driving motor 440 is fixedly mounted inside the sliding rail groove 411, the output end of the driving motor 440 is fixedly connected with a spiral driving rod 430 positioned inside the sliding rail groove 411, the moving block 420 is movably sleeved on the surface of the spiral driving rod 430, a clutch driving rod 421 is embedded and mounted on the inner side of the moving block 420, the output end of the clutch driving rod 421 is fixedly connected with a clutch tooth 422, and the surface of the clutch tooth 422 is in sliding fit with the surface of the spiral driving rod 430; positioning fixture 500 includes holder end 510, first permanent magnet 520, second permanent magnet 530 and yoke baffle 540, deflection hole 511 has been seted up on the surface of holder end 510, first permanent magnet 520 and yoke baffle 540 fixed mounting are in deflection hole 511's inside, one side of holder end 510 is equipped with yoke suction plate 512, the surface of yoke suction plate 512 is laminated with the surface of first permanent magnet 520 mutually, second permanent magnet 530 rotates and cup joints in one side of first permanent magnet 520, and the opposite side of second permanent magnet 530 is equipped with the steering wheel that deflects.
In this embodiment, the milling movement mechanism 200 includes a planar movement rail 210, a vertical movement rail 220 and a lifting movement rail 230, a movement vertical plate 211 is slidably mounted on the surface of the planar movement rail 210, the vertical movement rail 220 is fixedly mounted on the inner side of the movement vertical plate 211, a lifting base plate 221 is slidably mounted on the surface of the movement vertical plate 211, the lifting movement rail 230 is fixed on the surface of the lifting base plate 221, and the milling machine head 300 is slidably mounted on the surface of the lifting movement rail 230.
Further, one side of the planar moving rail 210 and one side of the vertical moving rail 220 are both provided with an electric driving rod, the end portions of the two groups of electric driving rods are respectively fixedly connected with one side of the moving vertical plate 211 and one side of the lifting base plate 221, and the surface of the lifting moving rail 230 is fixedly provided with a lifting driving rod fixedly connected with the surface of the milling machine head 300.
Specifically, the plurality of driving rods on the surface of the milling movement mechanism 200 are used for controlling the movement of the movement vertical plate 211 and the lifting base plate 221 to perform spatial three-dimensional movement of the milling machine head 300, and the movement clamping mechanism 400 is used for driving the gear box workpiece to perform plane movement so as to perform accurate milling of the inner groove of the gear box, complete milling of each part of the gear box workpiece is guaranteed through multi-axis movement, and a processing dead angle is avoided.
Furthermore, the plane moving rail 210 and the vertical moving rail 220 are arranged in a vertical direction, the moving clamping mechanisms 400 are parallel to the arrangement direction of the plane moving rail 210 and are located right below the milling machine head 300, and the number of the moving clamping mechanisms 400 is a plurality of groups and are arranged in parallel.
Specifically, a spatial three-dimensional motion system is constructed by using the planar motion rail 210, the vertical motion rail 220 and the lifting motion rail 230, so that the milling machine head 300 can perform front-back, left-right and lifting motion in a space to perform multi-axis motion milling on the surface of a workpiece to perform precise numerical control processing.
In this embodiment, the motion block 420 is an inverted U-shaped structure and is sleeved on the surface of the spiral driving rod 430, the outer side of the motion block 420 is in sliding fit with the inner wall of the sliding rail slot 411, the positioning clamps 500 are fixed on the top surface of the motion block 420, the number of the positioning clamps 500 is a plurality of and is divided into two equal groups, each group of the positioning clamps 500 is symmetrically arranged on the surface of the same workpiece translation rail 410, the clutch driving rod 421 inside the motion block 420 located on one side of the workpiece contracts to separate the clutch engaging tooth 422 from the spiral driving rod 430, so that the motion block 420 on the side is kept stationary under the rotation of the spiral driving rod 430, and the spiral driving rod 430 continuously rotates until the positioning clamps 500 on both sides are in fit and clamping with the surface of the workpiece.
Specifically, the two moving blocks 420 on the surface of the workpiece translation rail 410 and the positioning fixture 500 are used for respectively performing clamping fixation and magnetic attraction on two sides of the workpiece, so that firmness in positioning of a public house is ensured, and workpiece offset movement in machining is avoided.
In this embodiment, the spiral driving rod 430 is a spiral rotating rod structure, the engaging and disengaging tooth 422 is a poly-tetrachloroethylene member, and one end of the engaging and disengaging tooth 422 is embedded in the spiral groove of the spiral driving rod 430.
Specifically, the position of the motion block 420 is controlled by the clutch of the clutch rodent 422 and the spiral driving rod 430, and the polytetrafluoroethylene material has the characteristics of wear resistance and low friction coefficient, so that smooth motion of the motion block 420 can be ensured.
In this embodiment, the first permanent magnet 520 and the second permanent magnet 530 have the same size and are made of neodymium magnets, the magnetic pole directions of the first permanent magnet 520 and the second permanent magnet 530 are arranged in parallel to the surface of the magnetic yoke suction plate 512, and the second permanent magnet 530 is fixedly connected with the output end of the deflection steering engine.
Further, the magnetic yoke suction plate 512 and the magnetic yoke partition plate 540 are ferromagnetic members, a rotating pin penetrates through the surface of the magnetic yoke partition plate 540, the first permanent magnet block 520 and the second permanent magnet block 530 are movably sleeved on the surface of the rotating pin, and anti-slip patterns are arranged on one side of the first permanent magnet block 520.
Specifically, the deflection motor is used for controlling the second permanent magnet block 530 to deflect, so that the magnetic poles of the first permanent magnet block 520 and the second permanent magnet block 530 are in the same direction, namely the magnetic induction lines of the first permanent magnet block 520 and the second permanent magnet block 530 are overlapped on one side of the magnetic yoke suction plate 512 to form magnetic attraction force on a workpiece to preliminarily fix the workpiece, the magnetic induction lines of the first permanent magnet block 520 and the second permanent magnet block 530 are mutually overlapped or interfered to carry out magnetic attraction and release for clamping the workpiece, the workpiece is stably clamped by matching with the structure of the motion clamping mechanism 400, the operation is simple, and the fixing effect is firm.
The working principle and the using process of the invention are as follows:
when the machine tool is used, the plurality of driving rods on the surface of the milling movement mechanism 200 are used for controlling the movement of the movement vertical plate 211 and the lifting base plate 221 to perform spatial three-dimensional movement of the milling machine head 300, and the movement clamping mechanism 400 is used for driving a gear box workpiece to perform plane movement so as to perform accurate milling of an inner groove of the gear box, so that complete milling of each part of the gear box workpiece is guaranteed through multi-axis movement, when the gear box workpiece is installed, as shown in the attached figure 7 of the specification, the deflection motor is used for controlling the deflection of the second permanent magnet block 530, so that the magnetic poles of the first permanent magnet block 520 and the second permanent magnet block 530 are in the same direction, namely the magnetic induction lines of the first permanent magnet block 520 and the second permanent magnet block 530 are overlapped on one side of the magnetic yoke suction plate 512 to form magnetic attraction force for primarily fixing the workpiece, and then the clutch driving rod 422 is ejected out through the clutch driving rod 421 in the movement block 420 far away from the workpiece so as to be meshed with the rotating spiral driving rod 430 so as to drive the movement block 420 and drive the positioning clamp The tool 500 moves close to a workpiece, the clutch driving rod 421 inside the moving block 420 on one side of the workpiece contracts the clutch engaging tooth 422 to be separated from the spiral driving rod 430, so that the moving block 420 on the side is kept static under the rotation of the spiral driving rod 430, the spiral driving rod 430 continuously rotates until the positioning clamps 500 on two sides are attached and clamped with the surface of the workpiece, the workpiece is positioned and fixed through clamping and magnetic attraction, after the fixing is finished, the clutch engaging tooth 422 is synchronously engaged with the spiral driving rod 430, and the moving block 420 and the positioning clamps 500 can keep clamping the workpiece to drive the workpiece to synchronously move in the subsequent rotation motion of the spiral driving rod 430.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are used broadly and encompass, for example, a fixed connection, a removable connection, or an integral connection, and a connection may be a direct connection or an indirect connection via intermediate media. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (6)
1. The utility model provides a lathe bed structure that electric locomotive ultra-low temperature gear box machine tool was used which characterized in that includes: the milling machine comprises a machine tool support pedestal (100), a milling movement mechanism (200), a milling machine head (300), a movement clamping mechanism (400) and a positioning clamp (500), wherein the movement clamping mechanism (400) and the positioning clamp (500) are fixed on the surface of the milling movement mechanism (200), the bottom surface of the milling movement mechanism (200) is fixedly connected with the top surface of the milling machine head (300), and the milling machine head (300) is fixedly arranged at the output end of the milling movement mechanism (200);
the movement clamping mechanism (400) comprises a workpiece translation rail (410) fixed on the surface of a machine tool support pedestal (100), a sliding rail groove (411) is formed in the surface of the workpiece translation rail (410), a movement block (420) is slidably mounted inside the sliding rail groove (411), a driving motor (440) is fixedly mounted inside the sliding rail groove (411), the output end of the driving motor (440) is fixedly connected with a spiral driving rod (430) located inside the sliding rail groove (411), the movement block (420) is movably sleeved on the surface of the spiral driving rod (430), a clutch driving rod (421) is embedded into the inner side of the movement block (420), the output end of the clutch driving rod (421) is fixedly connected with a clutch tooth (422), and the surface of the clutch tooth (422) is in sliding fit with the surface of the spiral driving rod (430);
the positioning fixture (500) comprises a holder end (510), a first permanent magnet (520), a second permanent magnet (530) and a magnet yoke partition plate (540), wherein a deflection hole (511) is formed in the surface of the holder end (510), the first permanent magnet (520) and the magnet yoke partition plate (540) are fixedly installed in the deflection hole (511), a magnet yoke suction plate (512) is arranged on one side of the holder end (510), the surface of the magnet yoke suction plate (512) is attached to the surface of the first permanent magnet (520), the second permanent magnet (530) is rotatably sleeved on one side of the first permanent magnet (520), and a deflection steering engine is arranged on the other side of the second permanent magnet (530);
the spiral driving rod (430) is of a spiral rotating rod structure, the clutch rodent (422) is a component made of polytetrafluoroethylene, and one end of the clutch rodent (422) is embedded into a spiral groove of the spiral driving rod (430);
motion piece (420) are the structure of falling the U-shaped and cup joint in the surface of spiral drive pole (430), the outside of motion piece (420) and the inner wall sliding fit of slip rail groove (411), positioning fixture (500) are fixed in the top surface of motion piece (420), and positioning fixture's (500) quantity be a plurality of and two liang equally divide for a set ofly, and every group positioning fixture (500) are symmetrical arrangement in the surface of same work piece translation rail (410).
2. The machine body structure for the ultralow temperature gearbox processing machine tool of the electric locomotive according to claim 1, wherein the milling motion mechanism (200) comprises a plane motion rail (210), a vertical motion rail (220) and a lifting motion rail (230), a motion vertical plate (211) is slidably mounted on the surface of the plane motion rail (210), the vertical motion rail (220) is fixedly mounted on the inner side of the motion vertical plate (211), a lifting base plate (221) is slidably mounted on the surface of the motion vertical plate (211), the lifting motion rail (230) is fixed on the surface of the lifting base plate (221), and the milling machine head (300) is slidably mounted on the surface of the lifting motion rail (230).
3. The lathe bed structure for the ultra-low temperature gearbox processing machine tool of the electric locomotive according to claim 2, wherein one side of the plane moving rail (210) and one side of the vertical moving rail (220) are both provided with electrically driven push rods, the ends of the two groups of electrically driven push rods are respectively fixedly connected with one side of the moving vertical plate (211) and one side of the lifting base plate (221), and the surface of the lifting moving rail (230) is fixedly provided with a lifting driving rod fixedly connected with the surface of the milling machine head (300).
4. The lathe bed structure for the ultra-low temperature gearbox processing machine tool of the electric locomotive according to claim 2, wherein the plane moving rail (210) and the vertical moving rail (220) are arranged in a vertical direction, the moving clamping mechanisms (400) are parallel to the arrangement direction of the plane moving rail (210) and are positioned right below the milling machine head (300), and the number of the moving clamping mechanisms (400) is a plurality of groups and are arranged in parallel.
5. The lathe bed structure for the ultra-low temperature gearbox processing machine tool of the electric locomotive according to claim 1, characterized in that the first permanent magnet (520) and the second permanent magnet (530) have the same structure size and are both made of neodymium magnet materials, the magnetic pole directions of the first permanent magnet (520) and the second permanent magnet (530) are arranged in parallel to the surface of the magnetic yoke suction plate (512), and the second permanent magnet (530) is fixedly connected with the output end of the deflection steering engine.
6. The machine body structure for the ultralow temperature gearbox processing machine tool of the electric locomotive according to claim 1, wherein the magnetic yoke suction plate (512) and the magnetic yoke partition plate (540) are ferromagnetic members, a rotating pin penetrates through the surface of the magnetic yoke partition plate (540), the first permanent magnet (520) and the second permanent magnet (530) are movably sleeved on the surface of the rotating pin, and one side of the first permanent magnet (520) is provided with anti-skid threads.
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| CN202111259209.6A CN113695649B (en) | 2021-10-28 | 2021-10-28 | Lathe bed structure for electric locomotive ultra-low temperature gear box processing machine tool |
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| CN202111259209.6A CN113695649B (en) | 2021-10-28 | 2021-10-28 | Lathe bed structure for electric locomotive ultra-low temperature gear box processing machine tool |
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| CN113695649B true CN113695649B (en) | 2022-02-08 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE152949T1 (en) * | 1991-10-29 | 1997-05-15 | Yang Tai Her | PORTAL MACHINE TOOL |
| CN201438427U (en) * | 2009-06-29 | 2010-04-14 | 杭州之江开关股份有限公司 | Permanent-magnetic device assembling fixture of high-voltage circuit breaker |
| CN104029025B (en) * | 2014-06-11 | 2017-01-11 | 浙江理工大学 | Five-axis linkage numerical-control machine tool |
| CN207732594U (en) * | 2017-12-14 | 2018-08-14 | 大族激光科技产业集团股份有限公司 | A kind of permanent magnet installs fixture of linear motor |
| CN212947244U (en) * | 2020-05-28 | 2021-04-13 | 无锡烨林机床有限公司 | Grinding clamp for cylindrical grinding machine |
| CN213289405U (en) * | 2020-09-03 | 2021-05-28 | 宁波中策动力机电集团有限公司 | Gantry five-surface turning, boring and milling composite five-axis machining equipment |
| CN113319338B (en) * | 2021-05-20 | 2022-03-25 | 青岛理工大学 | Clamping force adjustable positioning system for rail transit honeycomb-shaped workpiece and milling equipment |
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Denomination of invention: A lathe bed structure for machining ultra-low temperature gearbox of electric locomotive Effective date of registration: 20221228 Granted publication date: 20220208 Pledgee: China Construction Bank Corporation jintan sub branch Pledgor: CHANGZHOU HUADE MACHINERY Co.,Ltd. Registration number: Y2022980029317 |