Automatic feeding and discharging device for metal cutting

Abstract

The utility model relates to the technical field of metal cutting machining feeding and discharging, in particular to an automatic feeding and discharging device for metal cutting, which comprises a lathe body, and a horizontally placed support frame is mounted on one side of the middle of the lathe body. The device has the advantages that the driving motor is controlled to operate forwards and backwards, the sliding seat and the top end of the lifting frame are driven to reciprocate between the workpiece clamping position and the bar storage box, the second hydraulic cylinder is controlled to shorten, bars enter the semicircular groove, and the bars are driven by the driving motor to move forwards and backwards. The bar material is transferred to the workpiece clamping position, the height of the bar material is adjusted through the action of the first hydraulic cylinder, the bar material is pushed to enter the workpiece clamping position through the action of the fourth hydraulic cylinder, an operator can conveniently clamp the bar material and disassemble parts, the labor amount of the operator is greatly reduced, the operation convenience is improved, and the working efficiency is improved. And an operator can operate and use the device conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal cutting processing feeding and discharging technical field, especially a kind of automatic feeding and discharging device for metal cutting. BACKGROUND

[0002] Metal cutting is a processing method that removes excess material from workpiece by using tool to obtain the required size, shape, position accuracy and surface quality. This process requires relative motion between workpiece and tool, usually provided by metal cutting machine. The main methods of metal cutting include turning, milling, planing, grinding, drilling and boring.

[0003] For ordinary turning, the bar stock or shaped parts are generally placed or removed by manual operation, which is low in efficiency. For some heavy parts or bar stock, manual loading and unloading is time-consuming and laborious, and has certain danger. Therefore, an automatic feeding and discharging device for metal cutting is proposed to replace manual loading and unloading of bar stock or parts. SUMMARY

[0004] The utility model aims at overcoming the shortcomings of prior art, and provides an automatic feeding and discharging device for metal cutting, which effectively solves the problems of prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides an automatic feeding and discharging device for metal cutting in one aspect of embodiment, which comprises a lathe body, a support frame horizontally installed on one side of the middle part of the lathe body, two first guide rails installed on the top surface of the support frame, a sliding seat capable of moving horizontally installed on the outer wall of the two first guide rails, a lifting frame and a first hydraulic cylinder rotatably installed on the top surface of the sliding seat, the output end of the first hydraulic cylinder connected with the middle part of the lifting frame, the top end of the lifting frame recessed downward to form a semicircular groove, the bottom wall of the semicircular groove hollow, a second guide rail installed on the top end of the lifting frame close to the semicircular groove, a horizontal plate capable of moving horizontally installed in the second guide rail, three protruding blocks installed on the top surface of the horizontal plate, the three protruding blocks entering the inside of the semicircular groove, a bar stock storage box horizontally installed on the top of the support frame, a second hydraulic cylinder horizontally installed on one side of the bottom end of the bar stock storage box, a connecting rod installed on the output end of the second hydraulic cylinder, a stop block for controlling the falling of bar stock installed on both ends of the connecting rod, and the two stop blocks and the bottom end of the bar stock storage box are slidingly connected.

[0006] Preferably, according to any one of the above schemes, the support frame is provided with support legs at the four corners of the bottom surface, and the bottom ends of the two support legs are fixedly connected to the middle part of the lathe body. By using this scheme, the support frame can be fixedly connected to the middle part of the lathe body, and the remaining two support legs can stably support the protruding part of the support frame, so that the support frame is in a horizontal state. The control of the driving motor in forward and reverse rotation drives the sliding seat to move horizontally along the first guide rail, and the position of the bar material and the part is shifted.

[0007] Preferably, according to any one of the above schemes, the support frame is provided with a driving motor at one end away from the lathe body, and a lead screw is installed at the output end of the driving motor. The lead screw is threadedly connected to the middle part of the bottom surface of the sliding seat. By using this scheme, a simple screw nut driving mechanism is formed. By controlling the driving motor in forward and reverse rotation, the lead screw and the sliding seat are relatively rotated, and the sliding seat moves along the first guide rail.

[0008] Preferably, according to any one of the above schemes, the middle part of one side of the support frame is tilted upward, and a third hydraulic cylinder is installed at the end part. By using this scheme, the third hydraulic cylinder is provided with an installation position. Whether the third hydraulic cylinder is used or not depends on the relative weight of the part. When the weight of the processed part is large, the third hydraulic cylinder is used to push the part from the semicircular groove to the external part tray. When the weight of the processed part is small and the artificial can take it, the artificial takes the part and puts it into the external part tray, so that the best use economy is ensured.

[0009] Preferably, according to any one of the above schemes, the bottom end of the lifting frame is rotatably connected to the middle part of the sliding seat through a pin, and a fourth hydraulic cylinder is installed at the top end of the side close to the second guide rail. The output end of the fourth hydraulic cylinder is fixedly connected to one end of the horizontal plate. By using this scheme, the fourth hydraulic cylinder is elongated or shortened, so that the horizontal plate slides along the inside of the second guide rail, the plurality of protruding blocks move horizontally, the bar material or the part is finely adjusted, the bar material is clamped, and the part is taken out.

[0010] Preferably, according to any one of the above schemes, the top end of each of the three protruding blocks is recessed to form a groove, and the bottom wall of each of the three protruding blocks is higher than the bottom wall of the semicircular groove. The inner diameter of the top groove of each of the three protruding blocks is smaller than the inner diameter of the semicircular groove, and the two are concentrically arranged. The semicircular groove guides the bar material, and after the bar material is stabilized, it automatically slides into the groove at the top of the three protruding blocks. A gap is left between the bar material and the inner wall of the semicircular groove, so that the fourth hydraulic cylinder can act on the bar material to shift the position of the bar material, and the operator can clamp the bar material.

[0011] The utility model has the following advantages:

[0012] 1. The automatic feeding and discharging device for metal cutting is characterized in that the support frame is provided with two first guide rails, a driving motor, a screw rod and a sliding seat, the screw rod is in threaded connection with the sliding seat, the driving motor is controlled to operate in reverse, the top of the sliding seat and the lifting frame reciprocate between the workpiece clamping position and the bar storage box, the second hydraulic cylinder is controlled to shorten the action, the bar is moved into the semicircular groove, the driving motor is controlled to drive the bar to the workpiece clamping position, the first hydraulic cylinder is controlled to adjust the height of the bar, and the fourth hydraulic cylinder is controlled to push the bar to the workpiece clamping position, so that the operator can conveniently clamp the bar and disassemble the part, the labor of the operator is greatly reduced, the operation convenience is improved, and the operator can conveniently operate and use.

[0013] 2. The automatic feeding and discharging device for metal cutting is characterized in that the support frame is provided with a third hydraulic cylinder installed at the upwardly inclined position, when the machined part is moved to the position of the third hydraulic cylinder along the sliding seat, the operator can conveniently place the external part tray near the output end of the third hydraulic cylinder, the third hydraulic cylinder is controlled to extend, the part is pushed to slide from the semicircular groove to the external part tray, the operation safety of the operator is ensured, the overall structure is simple, and the device is convenient to use and popularize. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the overall structure of the utility model;

[0015] Figure 2 It is a schematic view of the position structure of the support frame and the bar storage box of the utility model;

[0016] Figure 3 It is a schematic view of the support frame structure of the utility model;

[0017] Figure 4 It is a schematic view of the lifting frame structure of the utility model;

[0018] Figure 5 It is a schematic view of the horizontal plate structure of the utility model;

[0019] Figure 6 It is a schematic view of the bar storage box structure of the utility model;

[0020] Figure 7 It is a schematic view of the connecting rod structure of the utility model.

[0021] In the figure: 1-lathe body, 2-fourth hydraulic cylinder, 3-semicircular groove, 4-lifting frame, 5-bar storage box, 6-second hydraulic cylinder, 7-connecting rod, 8-first guide rail, 9-driving motor, 10-screw rod, 11-support frame, 12-sliding seat, 13-third hydraulic cylinder, 14-second guide rail, 15-first hydraulic cylinder, 16-protruding block, 17-horizontal plate, 18-stop block. DETAILED DESCRIPTION

[0022] The utility model makes further description below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0023] As Figures 1 to 7 The utility model discloses an automatic loading and unloading device for metal cutting, it includes lathe body 1, the one side of the middle part of lathe body 1 is installed with horizontal placement's support frame 11, both sides of the top surface of support frame 11 are installed with two first guide rails 8, and the outer wall of two is installed with the sliding seat 12 that can move horizontally, the top surface of sliding seat 12 is installed with lifting frame 4 and first hydraulic cylinder 15 respectively in the middle part and one side, and the output of first hydraulic cylinder 15 is connected with the middle part of lifting frame 4 rotationally, and the top end of lifting frame 4 is recessed to form semicircular groove 3 downwards, and the bottom wall of semicircular groove 3 is hollow design, and the top end of lifting frame 4 is installed with second guide rail 14 near semicircular groove 3, and it is installed with horizontal plate 17 that can move horizontally in its inside, and the top surface of horizontal plate 17 is installed with three protruding blocks 16, and three enter to the inside of semicircular groove 3, and the top of support frame 11 is installed with the bar storage box 5 that places downwards, and the one side of bar storage box 5 bottom end is installed with second hydraulic cylinder 6 that places horizontally, and the output of second hydraulic cylinder 6 is installed with connecting rod 7, and both ends of connecting rod 7 are installed with the stop block 18 of controlling bar drop, and two stop blocks 18 are connected with the bottom end of bar storage box 5 slidingly.

[0024] The bottom surface of support frame 11 is installed with support leg in the four corners, and the bottom end of two support legs is fixedly connected with the middle part of lathe body 1, as an optional technical scheme of the utility model, so as to facilitate the fixed connection of support frame 11 and the middle part of lathe body 1, and the remaining two support legs facilitate the stable support of the protruding part of support frame 11, so that support frame 11 is in the horizontal state, and the position transfer of bar and part is facilitated by controlling the forward and reverse operation of driving motor 9, driving sliding seat 12 to move horizontally along first guide rail 8.

[0025] The driving motor 9 is installed at one end of the support frame 11 away from the lathe body 1, and the output end thereof is provided with a lead screw 10, which is threadedly connected to the middle portion of the bottom surface of the sliding seat 12.

[0026] The middle portion of one side of the support frame 11 is tilted upward, and the third hydraulic cylinder 13 is installed at the end portion thereof, as an optional technical solution of the utility model, which provides an installation position for the third hydraulic cylinder 13, and whether the third hydraulic cylinder 13 is used or not depends on the relative weight of the parts; when the weight of the machined parts is large, the third hydraulic cylinder 13 is used to push the parts to slide from the semicircular groove 3 to the external part tray; when the weight of the machined parts is small and the artificial can pick up, the artificial picking and transferring mode is used to place the parts on the external part tray, thereby ensuring the best use economy.

[0027] The bottom end of the lifting frame 4 is rotationally connected to the middle portion of the sliding seat 12 through a pin, and the fourth hydraulic cylinder 2 is installed at the top end of the side of the lifting frame 4 close to the second guide rail 14, and the output end of the fourth hydraulic cylinder 2 is fixedly connected to one end of the horizontal plate 17, as an optional technical solution of the utility model, which is convenient for sliding the horizontal plate 17 along the inside of the second guide rail 14 through the elongation or shortening action of the fourth hydraulic cylinder 2, driving the horizontal movement of the plurality of protruding blocks 16, and adjusting the displacement of the bar or parts, thereby facilitating the clamping of the bar and the picking of the parts.

[0028] The top end of each of the three protruding blocks 16 is recessed downward to form a groove, and the bottom wall of each of the three protruding blocks 16 is higher than the bottom wall of the semicircular groove 3, as an optional technical solution of the utility model, the inner diameter of the top groove of each of the three protruding blocks 16 is smaller than the inner diameter of the semicircular groove 3, and the two are concentrically arranged, thereby facilitating the guiding of the bar in the semicircular groove 3, and automatically sliding into the groove at the top of the three protruding blocks 16 after the bar is stabilized, and ensuring a certain gap between the bar and the inner wall of the semicircular groove 3, facilitating the position offset of the bar through the action of the fourth hydraulic cylinder 2, and facilitating the clamping of the bar by the operator.

[0029] The metal cutting automatic feeding and discharging device needs the following steps when in use:

[0030] 1) When in use, the bar is hoisted into the inside of the bar storage box 5 for temporary storage;

[0031] 2) The driving motor 9 is operated to drive the lifting frame 4 to move to the position directly below the bottom end of the bar storage box 5;

[0032] 3) The second hydraulic cylinder 6 shortens the action, drives two blocks 18 to exit the bottom end of the bar storage box 5, so that the bar enters the inside of the semicircular groove 3, and then the second hydraulic cylinder 6 extends the action, so that two blocks 18 enter the inside of the bar storage box 5 to block the remaining bar;

[0033] 4) The driving motor 9 runs again to drive the lifting frame 4 and the bar to move to the three-jaw chuck position of the lathe body 1;

[0034] 5) The first hydraulic cylinder 15 extends the action to lift the position of the bar, and the fourth hydraulic cylinder 2 extends the action to push the bar into the end position of the three-jaw chuck, which is convenient for the operator to clamp;

[0035] 6) Then the driving motor 9 runs to drive the lifting frame 4 away from the lathe body 1, and after the part is processed, the driving motor 9 runs to drive the lifting frame 4 to move to the part position;

[0036] 7) The first hydraulic cylinder 15 extends the action to make the semicircular groove 3 close to the part position, and the operator disassembles the part downward;

[0037] 8) The fourth hydraulic cylinder driving motor 9 runs to drive the lifting frame 4 and the part to move to the position of the third hydraulic cylinder 13, and the part tray is placed in advance at the position of the third hydraulic cylinder 13. Through the extension action of the third hydraulic cylinder 13, the part is pushed to transfer to the part tray, or manual transfer can be used to manually transfer small-sized parts.

[0038] In summary, when the user uses it, through the setting of the support frame 11, the two first guide rails 8, the driving motor 9, the screw rod 10 and the sliding seat 12, the screw rod 10 is threadedly connected with the sliding seat 12, and then through the control of the driving motor 9 to drive the sliding seat 12 and the top end of the lifting frame 4 to reciprocate between the workpiece clamping position and the bar storage box 5, through the control of the second hydraulic cylinder 6 to shorten the action, the bar enters the inside of the semicircular groove 3, through the driving of the driving motor 9, the bar is transferred to the workpiece clamping position, through the action of the first hydraulic cylinder 15, the height of the bar is adjusted, through the action of the fourth hydraulic cylinder 2, the bar is pushed into the workpiece clamping position, which is convenient for the operator to clamp the bar and disassemble the part, greatly reduces the labor of the operator, improves the operation convenience, and is convenient for the operator to operate and use. Again, through the setting of the support frame 11, one side is tilted upward, and the third hydraulic cylinder 13 is installed at the tilted position. When the processed part runs to the position of the third hydraulic cylinder 13 with the sliding seat 12, it is convenient for the operator to place the external part tray close to the output end position of the third hydraulic cylinder 13. Through the extension action of the third hydraulic cylinder 13, the part is pushed to slide from the inside of the semicircular groove 3 to the external part tray, which ensures the operation safety of the operator, the overall structure is simple, and it is convenient for popularization and use.

[0039] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present application, which should be limited only by the appended claims and their equivalents.

Claims

1. A metal cutting automatic loading and unloading device, characterized by: The utility model provides a lathe, including lathe body (1), the side of middle part of lathe body (1) is installed with horizontally placed support frame (11), both sides of the top surface of support frame (11) are installed with two first guide rails (8), and the outer wall of both is installed with the sliding seat (12) that can move horizontally, the top surface of sliding seat (12) is installed with the lifting frame (4) and first hydraulic cylinder (15) respectively in the middle and one side rotation, and the output of first hydraulic cylinder (15) is connected with the middle part of lifting frame (4) rotation, the top end of lifting frame (4) is concave and forms semicircular recess (3) downwards, and the bottom wall of semicircular recess (3) is hollow design, the top end of lifting frame (4) is installed with second guide rail (14) near semicircular recess (3), and its inside is installed with the horizontal plate (17) that can move horizontally, the top surface of horizontal plate (17) is installed with three convex blocks (16), and three enter to the inside of semicircular recess (3), the top of support frame (11) is installed with the bar storage box (5) that places downwards, the side of bar storage box (5) bottom end is installed with horizontally placed second hydraulic cylinder (6), and the output thereof is installed with connecting rod (7), both ends of connecting rod (7) are installed with the stop block (18) of controlling bar drop, two stop block (18) and bar storage box (5) bottom end slidingly connect.

2. The automatic loading and unloading device for metal cutting according to claim 1, characterized in that: The bottom surface of support frame (11) is installed with support leg at four corners, and the bottom end of two support legs is fixedly connected with the middle part of lathe body (1).

3. The automatic loading and unloading device for metal cutting according to claim 2, characterized in that: The end of support frame (11) away from lathe body (1) is installed with driving motor (9), and the output thereof is installed with lead screw (10), and the middle part of sliding seat (12) bottom surface is screw-connected with lead screw (10).

4. The automatic loading and unloading device for metal cutting according to claim 3, characterized in that: The middle part of one side of support frame (11) is tilted upwards, and the end thereof is installed with third hydraulic cylinder (13).

5. The automatic loading and unloading device for metal cutting according to claim 4, characterized in that: The bottom end of lifting frame (4) is rotationally connected with the middle part of sliding seat (12) through a pin, and the top end of one side of lifting frame (4) near second guide rail (14) is installed with fourth hydraulic cylinder (2), and the output of fourth hydraulic cylinder (2) is fixedly connected with one end of horizontal plate (17).

6. The automatic loading and unloading device for metal cutting according to claim 5, characterized in that: The top end of three convex blocks (16) is concave and forms recess downwards, and the bottom wall of three convex blocks (16) is higher than the bottom wall of semicircular recess (3).

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