CN212734939U

CN212734939U - Casting milling device

Info

Publication number: CN212734939U
Application number: CN202021223005.8U
Authority: CN
Inventors: 吴枝峰; 曾光前; 李伟; 叶贵平
Original assignee: Sichuan Fast Stainless Steel Casting Co ltd
Current assignee: Sichuan Fast Stainless Steel Casting Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-19
Anticipated expiration: 2030-06-29

Abstract

The utility model provides a foundry goods mills and grinds device, the purpose is solved current foundry goods and is milled the technical problem that grinds the device and be not convenient for dismantle the foundry goods. The adopted technical scheme is as follows: a casting milling device comprises a workbench, an expansion sleeve, an ejection piece, an ejection cylinder, a milling element and a traveling mechanism; a station groove is formed in the surface of the workbench; the bottom end of the outer ring of the expansion sleeve is provided with a flange fixedly connected with the station groove; the ejection piece is positioned in the expansion sleeve; the surface of the ejection piece is circular and is matched with the inner ring of the expansion sleeve; the bottom of the ejecting piece is provided with an inserting part, and the bottom of the station groove is provided with an ejecting channel corresponding to the inserting part; the ejection cylinder is positioned below the station groove, and a piston rod of the ejection cylinder extends into the ejection channel to drive the ejection piece to move upwards; the milling and grinding element is positioned above the station groove and driven by a servo motor; the traveling mechanism is fixedly connected with the workbench and used for driving the servo motor to move upwards, downwards, forwards, backwards, leftwards and rightwards.

Description

Casting milling device

Technical Field

The utility model relates to a foundry goods processing equipment technical field, concretely relates to foundry goods mills and grinds device.

Background

The casting is a metal molding object obtained by various casting methods, namely, the smelted liquid metal is poured into a casting mold prepared in advance by pouring, injecting, sucking or other casting methods, and after cooling, the casting is subjected to subsequent processing means such as grinding and milling, and the like, so that the object with certain shape, size and performance is obtained.

When a large batch of tubular shaft castings and castings with tubular shaft structures are ground and milled, the tubular shaft parts of the castings can be clamped and fixed through the expansion sleeves, and the casting grinding device has the advantages of being rapid in positioning and firm in clamping. However, after the milling and grinding of the casting are completed, the casting is easily stuck by the expansion sleeve and is difficult to disassemble, which may result in reduced production efficiency and increased labor intensity of operators.

Disclosure of Invention

An object of the utility model is to provide a foundry goods mills and grinds device, it can not only firmly centre gripping foundry goods, can also lift the foundry goods after the processing fast conveniently off.

In order to achieve the above object, the utility model adopts the following technical scheme:

a casting milling apparatus comprising:

the surface of the workbench is provided with a station groove;

the bottom end of the outer ring of the expansion sleeve is provided with a flange fixedly connected with the station groove;

an ejector located within the expansion sleeve; the surface of the ejector piece is circular and is matched with the inner ring of the expansion sleeve, and a plurality of supporting parts smaller than the thickness of the casting are uniformly arranged on the surface of the ejector piece along the edge; the bottom of the ejecting piece is provided with an inserting part, and the bottom of the station groove is provided with an ejecting channel corresponding to the inserting part;

the ejection cylinder is positioned below the station tank; when the ejection cylinder is in an extension state, a piston rod of the ejection cylinder extends into the ejection channel to drive the ejection piece to move upwards;

the milling element is positioned above the station groove and driven by a servo motor;

and the traveling mechanism is fixedly connected with the workbench and is used for driving the servo motor to move upwards, downwards, forwards, backwards, leftwards and rightwards.

Optionally, the traveling mechanism includes a first lead screw for driving the servo motor to move in the front-back direction, a second lead screw for driving the first lead screw to move in the left-right direction, and a third lead screw for driving the second lead screw to move in the up-down direction.

Optionally, the milling element is a milling cutter or a polishing head.

Optionally, the servo motor is fixedly connected with an installation block, and the installation block is fixedly connected with a lead screw nut of the first lead screw; the servo motor is coaxially and fixedly connected with a tool holder for clamping the milling element through a coupler.

Optionally, the mounting block is provided with a nozzle for spraying lubricating and cooling fluid towards the milling and grinding element.

Optionally, the workbench is provided with a drainage groove extending from the inner wall of the station groove to the side wall of the workbench; the expansion sleeve is provided with an outflow hole which is communicated with the inner wall of the inner ring and the outer wall of the outer ring at a position corresponding to the upper surface of the ejection piece.

Optionally, the workbench is provided with an installation channel extending from the side wall of the workbench to a position groove right below the workbench; the ejection cylinder is located in the installation channel, the ejection channel is communicated with the bottom of the station groove and the top of the installation channel, and the outer wall of the insertion part is matched with the inner wall of the ejection channel.

Optionally, an installation seat is arranged in the installation channel, and the installation seat is provided with a threaded hole corresponding to the workbench and fixedly connected with the workbench through a bolt penetrating through the threaded hole; and one end of the mounting seat extending into the mounting channel is provided with a limiting cavity for placing the ejection cylinder.

The utility model discloses a theory of operation does: placing a casting to be processed into the expansion sleeve, and clamping and fixing the casting through the expansion sleeve; then, the servo motor drives the milling and grinding element to rotate, and the walking mechanism drives the servo motor and the milling and grinding element to move, so that the end face or the side face of the casting can be machined; after the casting is machined, the bolt of the expansion sleeve is unscrewed, and then the ejection piece is driven by the ejection cylinder to move upwards, so that the casting can be ejected out of the expansion sleeve.

Therefore, the utility model has the advantages that: the casting is clamped and fixed through the expansion sleeve, so that the positioning is fast and the fixing effect is good; after the casting is machined, the ejection cylinder drives the ejection piece to eject the casting out of the expansion sleeve, and an operator can take out the machined casting quickly and conveniently.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a right side view of the present invention;

FIG. 3 is a schematic view of the present invention illustrating the installation of a casting;

FIG. 4 is a schematic structural view of a worktable;

FIG. 5 is a schematic view of the ejector member;

FIG. 6 is a schematic structural view of the mounting base;

reference numerals: 1. a work table; 2. a station groove; 3. expanding and tightening the sleeve; 4. ejecting the part; 5. a support portion; 6. an insertion portion; 7. ejecting a channel; 8. ejecting the cylinder; 9. a milling element; 10. a first lead screw; 11. a second lead screw; 12. a third lead screw; 13. mounting blocks; 14. a nozzle; 15. a drainage groove; 16. an outflow hole; 17. installing a channel; 18. a mounting seat; 19. a limiting cavity; 20. and (5) casting.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Embodiments of the present invention will be described in detail below with reference to fig. 1 to 6.

The embodiment of the utility model provides a foundry goods mills and grinds device, this foundry goods mills and grinds device includes:

the surface of the worktable 1 is provided with a station groove 2.

The bottom end of the outer ring of the expansion sleeve 3 is provided with a flange fixedly connected with the station groove 2; it will be appreciated that the flange is secured to the base of the station groove 2 by through bolts.

An ejector 4 located within the expansion sleeve 3; the surface of the ejector 4 is circular and adapted to the inner ring of the expansion sleeve 3, it being understood that the diameter of the ejector 4 is equal to or slightly smaller than the inner diameter of the inner ring of the expansion sleeve 3. The surface of the ejector piece 4 is uniformly provided with a plurality of supporting parts 5 with the thickness smaller than that of the casting 20 along the edge; the bottom of the ejector 4 is provided with an insertion part 6, and the bottom of the station groove 2 is provided with an ejection channel 7 corresponding to the insertion part 6. It should be understood that the supporting portion 5 can support and position the bottom end of the casting 20, when some cylindrical castings 20 with two through ends are machined, the thickness of the supporting portion 5 is smaller than that of the casting 20 and does not exceed the inner wall of the casting 20, when the milling and grinding element 9 moves downwards along the inner wall of the casting 20 to mill or grind the inner wall of the casting 20, the supporting portion 5 can cushion the casting 20 without obstructing the milling and grinding element 9 moving downwards, so that the milling and grinding element 9 can machine the whole inner wall of the casting 20.

A jack-out cylinder 8 located below the station tank 2; when the ejection cylinder 8 is in an extension state, a piston rod of the ejection cylinder extends into the ejection channel 7 to drive the ejection piece 4 to move upwards; it will be appreciated that the ejection cylinder 8 is typically a cylinder or a gas cylinder.

And a milling element 9 which is positioned above the station groove 2 and is driven by a servo motor.

And the traveling mechanism is fixedly connected with the workbench 1 and used for driving the servo motor to move upwards, downwards, forwards, backwards, leftwards and rightwards.

The embodiment of the utility model is explained below, the casting 20 to be processed is put into the expansion sleeve 3, and the casting 20 is clamped and fixed by the expansion sleeve 3; then, the servo motor drives the milling element 9 to rotate, and the walking mechanism drives the servo motor and the milling element 9 to move, so that the end face or the side face of the casting 20 can be machined; after the casting 20 is machined, the bolt of the expansion sleeve 3 is loosened, and then the ejection piece 4 is driven to move upwards through the ejection cylinder 8, so that the casting 20 can be ejected out of the expansion sleeve 3. The utility model clamps and fixes the casting 20 through the expansion sleeve 3, and has fast positioning and good fixing effect; after the casting 20 is machined, the ejector cylinder 8 drives the ejector 4 to eject the casting 20 out of the expansion sleeve 3, and an operator can quickly and conveniently take out the machined casting 20.

In the embodiment provided by the present application, the traveling mechanism includes a first lead screw 10 driving the servo motor to move in the front-back direction, a second lead screw 11 driving the first lead screw 10 to move in the left-right direction, and a third lead screw 12 driving the second lead screw 11 to move in the up-down direction. It should be understood that the first lead screw, the second lead screw 11 and the third lead screw 12 can be replaced by linear motors.

In the embodiments presented herein, the milling element 9 is a milling cutter or a sanding head.

In the embodiment provided by the application, the servo motor is fixedly connected with the mounting block 13, and the mounting block 13 is fixedly connected with a screw nut of the first screw 10; the servo motor is coaxially and fixedly connected with a tool holder for clamping the milling element 9 through a coupler.

In the embodiment presented in the present application, the mounting block 13 is provided with nozzles 14 for spraying lubricating and cooling fluid towards the milling and grinding element 9.

In the embodiment given in the application, the workbench 1 is provided with a drainage groove 15 extending from the inner wall of the station groove 2 to the side wall of the workbench 1; the expansion sleeve 3 is provided with an outflow hole 16 communicating the inner wall of the inner ring and the outer wall of the outer ring at a position corresponding to the upper surface of the ejector 4. It will be appreciated that the lubricating coolant sprayed through the nozzle 14 can flow out of the expansion sleeve 3 through the outlet holes 16 and flow together through the drainage grooves 15 and out of the station groove 2.

In the embodiment given in the present application, the work table 1 is provided with a mounting channel 17 extending from a side wall thereof to a position groove 2 directly below; the ejection cylinder 8 is located in the installation channel 17, the ejection channel 7 is communicated with the bottom of the station groove 2 and the top of the installation channel 17, and the outer wall of the insertion part 6 is matched with the inner wall of the ejection channel 7. It should be understood that the insertion portion 6 is generally provided in a round bar shape, and the diameter of the insertion portion 6 is the same as the inner diameter of the ejection passage 7.

In the embodiment provided by the application, an installation seat 18 is arranged in the installation channel 17, the installation seat 18 is provided with a threaded hole corresponding to the workbench 1 and is fixedly connected through a bolt penetrating through the threaded hole; one end of the mounting seat 18 extending into the mounting channel 17 is provided with a limit cavity 19 for placing the ejection cylinder 8. It should be understood that said limit chamber 19 constitutes a limit for the ejection cylinder 8; the ejection cylinder 8 is placed into the limiting cavity 19, then the mounting seat 18 is placed into the mounting channel 17, and the mounting seat 18 and the workbench 1 are connected through bolts, so that the mounting of the ejection cylinder 8 can be completed; the ejection cylinder 8 is convenient to disassemble and assemble, and the ejection cylinder 8 is convenient to maintain or replace.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that changes and modifications may be made to these embodiments without departing from the principles and spirit of the invention, and these changes and modifications are intended to fall within the scope of the invention.

Claims

1. The casting milling and grinding device is characterized in that: the method comprises the following steps:

the surface of the workbench (1) is provided with a station groove (2);

the bottom end of the outer ring of the expansion sleeve (3) is provided with a flange fixedly connected with the station groove (2);

an ejector (4) located within the expansion sleeve (3); the surface of the ejector (4) is circular and is matched with the inner ring of the expansion sleeve (3), and a plurality of supporting parts (5) smaller than the thickness of the casting (20) are uniformly arranged on the surface of the ejector (4) along the edge; an inserting part (6) is arranged at the bottom of the ejecting part (4), and an ejecting channel (7) corresponding to the inserting part (6) is arranged at the bottom of the station groove (2);

a jack-out cylinder (8) located below the station tank (2); when the ejection cylinder (8) is in an extension state, a piston rod of the ejection cylinder extends into the ejection channel (7) to drive the ejection piece (4) to move upwards;

a milling element (9) which is positioned above the station groove (2) and is driven by a servo motor;

and the traveling mechanism is fixedly connected with the workbench (1) and is used for driving the servo motor to move upwards, downwards, forwards, backwards, leftwards and rightwards.

2. The casting milling apparatus of claim 1, wherein: the traveling mechanism comprises a first lead screw (10) driving the servo motor to move in the front-back direction, a second lead screw (11) driving the first lead screw (10) to move in the left-right direction, and a third lead screw (12) driving the second lead screw (11) to move in the up-down direction.

3. The casting milling apparatus of claim 1, wherein: the milling element (9) is a milling cutter or a grinding head.

4. The casting milling apparatus of claim 2, wherein: the servo motor is fixedly connected with an installation block (13), and the installation block (13) is fixedly connected with a screw nut of the first screw (10); the servo motor is coaxially and fixedly connected with a tool holder for clamping the milling element (9) through a coupler.

5. The casting milling apparatus of claim 4, wherein: the mounting block (13) is provided with a nozzle (14) for spraying lubricating and cooling liquid towards the milling and grinding element (9).

6. The casting milling apparatus of claim 5, wherein: the workbench (1) is provided with a drainage groove (15) extending from the inner wall of the station groove (2) to the side wall of the workbench (1); the expansion sleeve (3) is provided with an outflow hole (16) which communicates the inner wall of the inner ring with the outer wall of the outer ring at a position corresponding to the upper surface of the ejection piece (4).

7. A casting milling apparatus as claimed in any one of claims 1 to 6 wherein: the workbench (1) is provided with an installation channel (17) extending from the side wall of the workbench to the position groove (2) right below; the ejection cylinder (8) is located in the installation channel (17), the ejection channel (7) is communicated with the bottom of the station groove (2) and the top of the installation channel (17), and the outer wall of the insertion part (6) is matched with the inner wall of the ejection channel (7).

8. The casting milling apparatus of claim 7, wherein: a mounting seat (18) is arranged in the mounting channel (17), the mounting seat (18) is provided with a threaded hole corresponding to the workbench (1) and is fixedly connected through a bolt penetrating through the threaded hole; one end of the mounting seat (18) extending into the mounting channel (17) is provided with a limiting cavity (19) for placing the ejection cylinder (8).