CN114102230B - Feeding and discharging device for double-end-face numerical control lathe - Google Patents
Feeding and discharging device for double-end-face numerical control lathe Download PDFInfo
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- CN114102230B CN114102230B CN202111514228.9A CN202111514228A CN114102230B CN 114102230 B CN114102230 B CN 114102230B CN 202111514228 A CN202111514228 A CN 202111514228A CN 114102230 B CN114102230 B CN 114102230B
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- material supporting
- bracket
- oil cylinder
- bottom plate
- feeding
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- 238000007599 discharging Methods 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 14
- 210000000078 claw Anatomy 0.000 claims description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Feeding Of Workpieces (AREA)
Abstract
The invention relates to an automatic feeding and discharging device of a double-end-face numerical control lathe, which comprises a lathe bed, saddle and tail frames arranged on two sides of the lathe bed, wherein a main shaft box is arranged in the middle of the lathe bed, and a cutter tower is arranged on the saddle on two sides. The invention has reasonable structure and convenient use, and is very suitable for feeding and discharging the long-axis parts on the double-end-face numerical control lathe.
Description
Technical Field
The invention relates to a loading and unloading device of a machine tool, in particular to a loading and unloading device for a double-end-face numerical control lathe.
Background
When the shaft parts are machined, the double-end-face numerical control lathe has the characteristics of high machining efficiency and high machining precision, and is widely used. When the processing procedure is complicated long shaft parts, such as the axle of a freight car, the processing procedure is as follows: the first sequence clamp is used for processing an end surface and an inner hole of the outer circle, and the second sequence tailstock is used for propping against two ends of a workpiece to process the outer circle; in the machining process, a workpiece needs to pass through a main shaft of a main shaft box, and is clamped by the main shaft box and then machined; after the processing is finished, the workpiece is required to be pulled out again by the main shaft of the main shaft box, and can be unloaded. At present, when loading and unloading major axis class part need the crane cooperate, seriously influence machining efficiency, and inconvenient continuous into transfer machine realizes full-automatic processing.
Disclosure of Invention
The invention aims to provide a feeding and discharging device for a double-end-face numerical control lathe, which is capable of automatically feeding and discharging and high in efficiency.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the feeding and discharging device for the double-end-face numerical control lathe comprises a lathe body, saddle and tail frames arranged on two sides of the lathe body, wherein a spindle box is arranged in the middle of the lathe body, and a cutter tower is arranged on the saddle on two sides.
The material supporting frame I comprises a mounting bottom plate, a guide rail pressing plate fixed on the mounting bottom plate, a moving plate positioned through the guide rail pressing plate, a cylinder connecting plate fixed at one end of the moving plate, an oil cylinder fixedly installed at one side of the mounting bottom plate, and a piston rod in the oil cylinder fixedly connected with the cylinder connecting plate; the other side of the mounting bottom plate is fixedly provided with a connecting bracket, a vertical lifting oil cylinder is arranged on the connecting bracket, a piston rod in the lifting oil cylinder is fixedly connected with a bracket base, and a bracket roller in V-shaped distribution is arranged on the bracket base.
The material supporting frame II comprises a material supporting frame base arranged on a lathe bed guide rail, a material supporting bracket is fixedly arranged on the material supporting frame base, one side of the material supporting bracket is fixedly arranged on a lathe tail frame I on one side of a main spindle box through a connecting piece, and the other side of the material supporting bracket is provided with a lifting device and a workpiece clamping device; the lifting device comprises a lifting oil cylinder I vertically fixed on a material supporting bracket, a piston rod in the lifting oil cylinder I is fixedly connected with a material supporting bracket bottom plate, and a material supporting roller I which is distributed in a V shape is arranged on the material supporting bracket bottom plate; the workpiece clamping device comprises a swing arm support fixedly arranged on a material supporting support, a clamping oil cylinder vertically arranged on the swing arm support, a piston rod in the clamping oil cylinder is hinged with the lower end of a swing rod through a pin shaft I, the middle part of the swing rod is arranged on the swing arm support through a pin shaft, and a workpiece pressing claw is arranged at the upper end of the swing rod.
And a guide column is arranged on the material supporting frame base.
And a guide column I is arranged on the material supporting frame bottom plate.
The clamping oil cylinder is connected with the swing arm bracket by a hinge.
The technical scheme of the invention has the following characteristics: 1. can realize automatic feeding and discharging. The left and right material supporting frames are arranged at the feeding positions, workpieces are placed on the two material supporting frames by manual or mechanical arms, and then the workpieces can be sent to the processing positions through a control program of a machine tool, so that automatic feeding is realized; after the processing is finished, the workpiece returns to the feeding position through the two material supporting frames to be discharged. 2. The structure is reasonable. The material supporting frame II is arranged on the lower group guide rail of the machine tool and is rigidly connected with the tail frame I of the machine tool, and the existing driving device for driving the tail frame on the right side to longitudinally move left and right drives the tail frame to move along the lower group guide rail of the machine tool so as to complete the feeding and discharging actions in cooperation with the machine tool. 3. The material supporting frame can move up and down, so that the workpieces are guaranteed not to interfere with each other during rotary machining. 4. For workpieces with different lengths, the material supporting frame II can be stopped at any preset position, and feeding and discharging of the workpieces with different lengths can be considered. 5. The workpiece clamping device is designed on the material supporting frame II, so that workpieces can be prevented from moving in the feeding and discharging processes, and the accurate feeding and discharging positions of the workpieces are guaranteed. 6. The feeding and discharging device is reasonable in structural design and convenient to use, and is very suitable for feeding and discharging requirements of long-axis parts on the double-end-face numerical control lathe.
Drawings
FIG. 1 is a schematic diagram of a feeding and discharging structure of a machine tool of the invention;
FIG. 2 is a schematic diagram of a front view of a left-hand cradle of the present invention;
FIG. 3 is a schematic diagram of a left view of a left-hand cradle of the present invention;
FIG. 4 is a schematic diagram of a front view of a right-hand cradle of the present invention;
Fig. 5 is a schematic diagram of a left view of a right-hand cradle of the present invention.
Detailed Description
In the figures 1,2, 3, 4 and 5, 1 is a lathe bed, 2 is a material supporting frame I, 2-1 is an installation bottom plate, 2-2 is a guide rail pressing plate, 2-3 is a moving plate, 2-4 is a material supporting roller, 2-5 is a cylinder connecting plate, 2-6 is an oil cylinder, 2-7 is an oil cylinder support, 2-8 is a connecting support, 2-9 is a material supporting frame base, 2-10 is a guide post, 2-11 is a material supporting cylinder, 3 is a workpiece, 4 is a longitudinal driving device, 5 is a material supporting frame II, 5-1 is a workpiece pressing claw, 5-2 is a swinging rod, 5-3 is a pin shaft, 5-4 is a pin shaft I, 5-5 is a swinging arm oil cylinder support, 5-6 is a clamping oil cylinder, 5-7 is a swinging arm support, 5-8 is a material supporting frame base, 5-9 is a material supporting support, 5-10 is a connecting piece, 5-11 is a material supporting oil cylinder I, 5-12 is a guide post I, 5-13 is a material supporting roller I, 5-14 is a material supporting frame base, 6 is a material supporting saddle bottom plate, 7 is a material supporting frame, 7 is a frame 8 is a main shaft, and 10 is a main shaft.
As shown in fig. 1, a left saddle and a tailstock are mounted on the left side of a bed body of a conventional double-end-face numerically controlled lathe, a tip for fixing and positioning is mounted on the tailstock, and a turret is mounted on the left saddle. A right saddle and a tail frame I are arranged on the right side of the lathe bed, a center for fixing and positioning is arranged on the tail frame I, and a cutter tower is arranged on the right saddle; the tail frame I can move left and right on the guide rail on the lathe bed under the action of the longitudinal driving device. The middle part of the lathe bed is provided with a main spindle box, and the main spindle box mainly provides clamping force, torque and positioning for a workpiece during processing.
As shown in fig. 1,2,3, 4 and 5, a material supporting frame I is fixedly arranged on the front surface of the main shaft box, and a material supporting frame II is rigidly connected to the right tail frame I.
The material supporting frame I comprises a mounting bottom plate, the back surface of the mounting bottom plate is fixedly arranged on the front surface of the spindle box, a guide rail pressing plate is fixedly arranged on the front surface of the mounting bottom plate, the moving plate is positioned through the guide rail pressing plate, a cylinder connecting plate is fixed at the right end of the moving plate, an oil cylinder is fixedly arranged on the lower side of the mounting bottom plate, and a piston rod in the oil cylinder is fixedly connected with the cylinder connecting plate; the back of the mounting bottom plate is fixedly provided with a connecting bracket, a vertical lifting oil cylinder is arranged on the connecting bracket, a piston rod in the lifting oil cylinder is fixedly connected with a bracket base, and a bracket roller in V-shaped distribution is arranged on the bracket base.
The material supporting frame II on the right side comprises a material supporting frame base arranged on a lathe bed guide rail, a material supporting bracket is fixedly arranged on the material supporting frame base, the right side of the material supporting bracket is fixedly arranged on a machine tool tail frame I on the right side of a main shaft box through a connecting piece, and a lifting device and a workpiece clamping device are arranged on the left side of the material supporting bracket; the lifting device comprises a lifting oil cylinder I vertically fixed on a material supporting bracket, a piston rod in the lifting oil cylinder I is fixedly connected with a material supporting bracket bottom plate, and a material supporting roller I which is distributed in a V shape is arranged on the material supporting bracket bottom plate; the workpiece clamping device comprises a swing arm support fixedly arranged on a material supporting support, a clamping oil cylinder vertically arranged on the swing arm support, a piston rod in the clamping oil cylinder is hinged with the lower end of a swing rod through a pin shaft I, the middle part of the swing rod is arranged on the swing arm support through a pin shaft, and a workpiece pressing claw is arranged at the upper end of the swing rod.
The working process of the device is as follows:
1. and (3) feeding: the position shown in fig. 1 is the feeding position of the device, the distance between the two material supporting rollers in the position is determined according to the length of a workpiece, at the moment, a lifting cylinder for controlling the left material supporting roller and the right material supporting roller to move up and down is arranged at the upper position, the position ensures that the center of the workpiece placed on the lifting cylinder and a main shaft are within a specified coaxiality range, and the workpiece is placed on the left material supporting roller and the right material supporting roller which are distributed in a V shape by a manual or mechanical arm in the position;
2. Moving to a processing position: the machine tool control system starts a moving program, a clamping oil cylinder 5-6 in a material supporting frame II on the right side moves upwards to drive a swinging rod to rotate anticlockwise along a pin shaft, a workpiece pressing claw 5-1 presses a workpiece 3, then the oil cylinder 2-6 and a longitudinal driving device 4 move leftwards, the oil cylinder drives a cylinder connecting plate 2-5 and a cylinder connecting plate to drive a moving plate 2-3 to move leftwards, a tail frame I on the right side drives the material supporting frame II to move leftwards to drive a workpiece placed on a material supporting roller to move leftwards, after an apex in a tail frame on the left side contacts with a machined workpiece, an apex sleeve in the tail frame I on the right side stretches out, apexes in the tail frames on the left and the right jointly prop against a central hole of the machined workpiece to center, and a chuck in a spindle box floats to clamp the machined workpiece; the clamping oil cylinder 5-6 in the material supporting frame II on the right side moves downwards to drive the swing rod to rotate clockwise along the pin shaft, and the workpiece pressing claw 5-1 loosens the workpiece; the lifting oil cylinders which control the left and right material supporting rollers to move up and down move downwards to the lowest position, the left and right V-shaped distributed material supporting rollers are driven to descend, feeding of a machine tool is completed, and the machine tool processes a processed workpiece;
3. And (3) unloading: after the machine tool is processed, the left lifting oil cylinder and the right lifting oil cylinder I move upwards to drive the left supporting roller and the right supporting roller I to lift and support the workpiece, then the clamping oil cylinder 5-6 moves upwards to drive the swing rod to rotate anticlockwise along the pin shaft, the workpiece pressing claw 5-1 presses the workpiece 3, the oil cylinder and the longitudinal driving device 4 move rightwards to drive the workpiece to the right starting position, and the workpiece is dismounted by a manual or mechanical arm to complete a processing cycle.
In order to ensure the positions of the left material supporting roller and the right material supporting roller I in the ascending and descending process, guide posts 2-10 are arranged on a left material supporting frame base 2-9; the right bracket base plate 5-14 is provided with a guide post I5-12.
The upper and lower positions of the left material supporting roller and the right material supporting roller I are adjusted, determined and adjusted according to the diameter of the workpiece.
Claims (3)
1. The loading and unloading device for the double-end-face numerical control lathe comprises a lathe bed, saddle and tail frames, wherein the saddle and the tail frames are arranged on two sides of the lathe bed, a spindle box is arranged in the middle of the lathe bed, and a cutter tower is arranged on the saddle on two sides;
The material supporting frame I (2) comprises a mounting bottom plate (2-1), a guide rail pressing plate (2-2) fixed on the mounting bottom plate, a moving plate (2-3) is positioned through the guide rail pressing plate, a cylinder connecting plate (2-5) is fixed at one end of the moving plate, an oil cylinder (2-6) is fixedly arranged at one side of the mounting bottom plate, and a piston rod in the oil cylinder is fixedly connected with the cylinder connecting plate; a connecting bracket (2-8) is fixedly arranged on the other side of the mounting bottom plate, a vertical lifting oil cylinder (2-11) is arranged on the connecting bracket, a piston rod in the lifting oil cylinder is fixedly connected with a bracket base (2-9), and a bracket roller (2-4) distributed in a V shape is arranged on the bracket base;
The material supporting frame II (5) comprises a material supporting frame base (5-8) arranged on a lathe bed guide rail, a material supporting bracket (5-9) is fixedly arranged on the material supporting frame base, one side of the material supporting bracket is fixedly arranged on a lathe tailstock I on one side of a main spindle box (8) through a connecting piece (5-10), and the other side of the material supporting bracket is provided with a lifting device and a workpiece clamping device; the lifting device comprises a lifting oil cylinder I (5-11) vertically fixed on a material supporting bracket, a piston rod in the lifting oil cylinder I is fixedly connected with a material supporting bracket bottom plate (5-14), and a material supporting roller I (5-13) distributed in a V shape is arranged on the material supporting bracket bottom plate; the workpiece clamping device comprises a swing arm bracket (5-7) fixedly arranged on the material supporting bracket, a clamping oil cylinder (5-6) vertically arranged on the swing arm bracket, a piston rod in the clamping oil cylinder is hinged with the lower end of a swing rod (5-2) through a pin shaft I (5-4), the middle part of the swing rod is arranged on the swing arm bracket through a pin shaft (5-3), and a workpiece pressing claw (5-1) is arranged at the upper end of the swing rod;
the bracket base (2-9) is provided with a guide post (2-10).
2. The feeding and discharging device for the double-end-face numerical control lathe according to claim 1, wherein guide posts I (5-12) are arranged on the carrier base plates (5-14).
3. The feeding and discharging device for the double-end-face numerical control lathe is characterized in that the clamping oil cylinders (5-6) are connected with the swing arm supports (5-7) through hinges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111514228.9A CN114102230B (en) | 2021-12-13 | 2021-12-13 | Feeding and discharging device for double-end-face numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111514228.9A CN114102230B (en) | 2021-12-13 | 2021-12-13 | Feeding and discharging device for double-end-face numerical control lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114102230A CN114102230A (en) | 2022-03-01 |
| CN114102230B true CN114102230B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111514228.9A Active CN114102230B (en) | 2021-12-13 | 2021-12-13 | Feeding and discharging device for double-end-face numerical control lathe |
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| Country | Link |
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| CN (1) | CN114102230B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216421856U (en) * | 2021-12-13 | 2022-05-03 | 宁夏长兴精密机械有限公司 | Loading and unloading device for double-end-face numerical control lathe |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1538409A (en) * | 1976-03-02 | 1979-01-17 | Kanzaki Kokyukoki Mfg Co Ltd | Machine tool |
| CN207223410U (en) * | 2017-08-29 | 2018-04-13 | 宁夏长兴精密机械有限公司 | For processing the special material supporting rack of longaxones parts |
| CN107685160B (en) * | 2017-08-29 | 2024-07-05 | 宁夏长兴精密机械有限公司 | Double-end machining lathe |
| CN210306312U (en) * | 2019-03-25 | 2020-04-14 | 武汉华俄激光工程有限公司 | Large-stroke circular tube supporting device |
| JP7342488B2 (en) * | 2019-07-24 | 2023-09-12 | 株式会社ジェイテクト | Workpiece conveyance device |
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- 2021-12-13 CN CN202111514228.9A patent/CN114102230B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216421856U (en) * | 2021-12-13 | 2022-05-03 | 宁夏长兴精密机械有限公司 | Loading and unloading device for double-end-face numerical control lathe |
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| CN114102230A (en) | 2022-03-01 |
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