CN211681026U

CN211681026U - Device for automatically converting high pressure and low pressure of chuck of numerical control machine tool

Info

Publication number: CN211681026U
Application number: CN202020123885.5U
Authority: CN
Inventors: 苏峰; 王虹
Original assignee: Yantai Furuide Robot Co ltd
Current assignee: Yantai Furuide Robot Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-16
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a device of digit control machine tool chuck high-low pressure automatic switch-over mainly includes electromagnetic pressure limiting valve, joint, assembly head and heat conduction shell, the export fixed mounting at both ends has the heat conduction shell about the electromagnetic pressure limiting valve, and heat conduction shell outside fixed mounting has the protecting crust, electromagnetic pressure limiting valve top middle part fixed mounting has the joint, connects outside fixed mounting have the ascending nipple of connecing soon of opening, connects the outer wall of the nipple to be provided with the screw thread soon, the nipple inboard upper portion is pegged graft and is installed into oil pipe soon. The utility model has the advantages of reasonable design structurally, compact structure reduces the whole length of distribution with the pipe, and assembly stability is good, and the crimping is stable, makes things convenient for the later stage to carry out swift change, and this device has the multi-disc fin, can carry out no helping hand heat dissipation, and supplementary lathe carries out the oil pressure conversion, carries out the closed loop feedback, guarantees that the use of device is stable.

Description

Device for automatically converting high pressure and low pressure of chuck of numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool chuck auxiliary device specifically is a device of digit control machine tool chuck high-low pressure automatic switch-over.

Background

The numerical control machine tool is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. The numerical control device sends various control signals through operation processing to control the action of the machine tool, parts are automatically machined according to the shape and the size required by a drawing, the modern machine tool is provided with an oil pressure clamping and releasing tool in product machining, an oil cylinder of the tool is provided with an oil pipe in and out two ways to be connected with an oil press stack of the machine tool, after a machined product is clamped on the tool, a tool chuck automatically clamps the product through manually pressing an oil pressure clamping key, and then after the automatic machining of the machine tool is finished, the tool chuck automatically releases through instruction control.

The structure of the existing oil supply equipment is not compact enough, the pipeline disc part is complex, the service length of the pipeline is very long, the oil pressure conveying loss is large, in use, the assembly and replacement convenience degree of the pipeline is poor, the self stability of the device is insufficient, the heat dissipation is insufficient, and the service life is limited.

Disclosure of Invention

An object of the utility model is to provide a device of digit control machine tool chuck high-low pressure automatic switch to solve the problem that proposes among the above-mentioned background art.

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

a device for automatically converting high and low pressures of a chuck of a numerical control machine tool mainly comprises an electromagnetic pressure limiting valve, a joint, an assembling head and a heat conducting shell, wherein the heat conducting shell is fixedly installed at the outlet at the left end and the outlet at the right end of the electromagnetic pressure limiting valve, the protective shell is fixedly installed at the outer side of the heat conducting shell, the joint is fixedly installed at the middle part of the top end of the electromagnetic pressure limiting valve, a screwing sleeve with an upward opening is fixedly installed at the outer side of the joint, threads are arranged on the outer wall of the screwing sleeve, an oil inlet pipe is installed at the upper part of the inner side of the screwing sleeve in an inserting mode, a pressure pipe sleeve is installed at the outer wall of the screwing sleeve in a screwing mode through the threads, a hexagonal sleeve is fixedly installed at the outer wall of the pressure pipe, a pressing ring is fixedly installed at the inner wall of the, the through-hole has been seted up to protecting sheathing bottom and heat conduction shell bottom, the outer wall fixed mounting that the protecting sheathing bottom is located through-hole department has the assembly plate, and assembly plate bottom edge fixed mounting has the bolt seat that the symmetry set up, assembly plate bottom middle part fixed mounting has the assembly head, and the first outside cover of assembly is established and is installed and press the cover, presses the cover inner wall to be provided with spacing, the first lateral wall of assembly be provided with spacing complex spout, press set outer wall fixed mounting has the edge piece, bolt seat bottom connects soon and installs clamp bolt, the inside bolt hole of having seted up in the edge piece left and right sides, it runs through the grafting and installs out oil pipe to press the cover middle part.

As a further aspect of the present invention: the bottom end of the oil inlet pipe is provided with an outward-turning flange, and the side wall of the bottom end of the compression ring is tightly pressed with the outer wall of the oil inlet pipe, which is positioned at the outward-turning flange.

As a further aspect of the present invention: the upper part of the outer side of the heat conduction shell is fixedly provided with radiating fins which are arranged at equal intervals, and the radiating fins adopt a sheet structure.

As a further aspect of the present invention: the bottom end of the assembling head is fixedly provided with a rubber pad, and the side wall of the bottom end of the rubber pad is tightly pressed and connected with the side wall of the top end of the oil outlet pipe.

As a further aspect of the present invention: the electromagnetic pressure limiting valve and the oil pressure probe are electrically connected with external control equipment and an external power supply through a wire harness.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has the advantages of reasonable design structurally, compact structure reduces the whole length of distribution with the pipe, and assembly stability is good, and the crimping is stable, makes things convenient for the later stage to carry out swift change, and this device has the multi-disc fin, can carry out no helping hand heat dissipation, and supplementary lathe carries out the oil pressure conversion, carries out the closed loop feedback, guarantees that the use of device is stable.

Drawings

Fig. 1 is a schematic structural diagram of a device for automatically converting high pressure and low pressure of a chuck of a numerical control machine tool.

FIG. 2 is a schematic structural diagram of the oil inlet pipe, the rotary connection sleeve, the pressure pipe sleeve and the electromagnetic pressure limiting valve in the device for automatically switching the high pressure and the low pressure of the numerical control machine tool chuck.

FIG. 3 is a schematic structural diagram of the high-low pressure automatic switching device of the numerical control machine tool chuck, the heat conducting shell, the protective shell, the rotary connecting seat, the oil outlet pipe and the assembling head.

Fig. 4 is a schematic top view of the device for automatically converting high and low pressures of the numerical control machine tool chuck, wherein the edge piece, the pressing sleeve and the limiting strip are arranged between the edge piece and the pressing sleeve.

In the figure: the oil pressure control device comprises an electromagnetic pressure limiting valve 1, an oil pressure probe 2, a pressure relief oil pipe 3, a rubber pad 4, an assembly plate 5, an edge sheet 6, a bolt seat 7, a radiating fin 8, a pressing sleeve 9, a protective shell 10, a joint 11, an oil inlet pipe 12, a pressure pipe sleeve 13, a screwing sleeve 14, a hexagonal sleeve 15, a through hole 16, an assembly head 17, a heat conducting shell 18, a pressing ring 19, a gasket 20, a limiting strip 21 and an oil outlet pipe 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for 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 description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, in the embodiment of the present invention, a device for automatically converting high and low pressures of a chuck of a numerical control machine tool mainly includes an electromagnetic pressure-limiting valve 1, a joint 11, an assembling head 17 and a heat-conducting shell 18, the heat-conducting shell 18 is fixedly installed at the outlet of the left and right ends of the electromagnetic pressure-limiting valve 1, the protective shell 10 is fixedly installed at the outer side of the heat-conducting shell 18, the joint 11 is fixedly installed at the middle of the top end of the electromagnetic pressure-limiting valve 1, a screwing sleeve 14 with an upward opening is fixedly installed at the outer side of the joint 11, the outer wall of the screwing sleeve 14 is provided with a screw thread, an oil inlet pipe 12 is inserted and installed at the upper portion of the inner side of the screwing sleeve 14, a pressure pipe sleeve 13 is installed at the outer wall of the screwing sleeve 14 through the screw thread, a hexagonal sleeve 15 is fixedly installed at the outer wall, the middle part of the bottom end of the electromagnetic pressure limiting valve 1 is fixedly provided with a pressure relief oil pipe 3, the middle part of the front side of the electromagnetic pressure limiting valve 1 is screwed with an oil pressure probe 2, through holes 16 are arranged at the bottom end of the protective shell 10 and the bottom end of the heat conducting shell 18, an assembly plate 5 is fixedly arranged on the outer wall of the bottom end of the protective shell 10 at the through hole 16, symmetrically arranged bolt seats 7 are fixedly arranged at the edge of the bottom end of the assembly plate 5, an assembly head 17 is fixedly arranged in the middle of the bottom end of the assembly plate 5, a pressing sleeve 9 is sleeved outside the assembly head 17, a limit strip 21 is arranged on the inner wall of the pressing sleeve 9, the outer side wall of the assembling head 17 is provided with a sliding groove matched with the limiting strip 21, the outer wall of the pressing sleeve 9 is fixedly provided with an edge piece 6, the bottom end of the bolt seat 7 is connected with a compression bolt in a rotating mode, bolt holes are formed in the left side and the right side of the edge piece 6, and the middle of the pressing sleeve 9 is provided with an oil outlet pipe 22 in a penetrating and inserting mode.

The bottom end of the oil inlet pipe 12 is provided with an outward-turning flange, and the side wall of the bottom end of the compression ring 19 is tightly pressed with the outer wall of the oil inlet pipe 12, which is positioned at the outward-turning flange.

The upper part of the outer side of the heat conduction shell 18 is fixedly provided with radiating fins 8 which are arranged at equal intervals, and the radiating fins 8 adopt a sheet structure.

The bottom end of the assembling head 17 is fixedly provided with a rubber pad 4, and the side wall of the bottom end of the rubber pad 4 is tightly pressed and connected with the side wall of the top end of the oil outlet pipe 22.

The electromagnetic pressure limiting valve 1 and the oil pressure probe 2 are electrically connected with external control equipment and an external power supply through a wire harness.

The utility model discloses a theory of operation is:

the utility model relates to a device for automatically converting high pressure and low pressure of a chuck of a numerical control machine tool, when in use, the device is connected between an oil supply machine and the chuck, oil is conveyed through a pipeline, the device can be assembled near the chuck, only a main pipe is needed for oil supply, oil is distributed again, the whole length of a distribution pipe can be reduced, in the assembly position of the pipeline, the main pipe adopts a screwing sleeve 14 with a long diameter, the long diameter leads to more thread turns, the screwing stability is good, the crimping is stable, the oil outlet pipe adopts bolt crimping, the sealing can be ensured, the later-stage quick replacement is convenient, in long-time use, the temperature of hydraulic oil is high, the device is provided with a plurality of cooling fins, unpowered heat dissipation can be carried out, the service life of rubber parts is ensured, and when the oil supply pressure conversion is carried out, the internal oil pressure is detected through an oil pressure, carry out the pressure limiting through electromagnetism pressure limiting valve 1 and adjust, when needs high pressure centre gripping, external control equipment improves pressure release intensity through signal of telecommunication control electromagnetism pressure limiting valve 1, can control the inside pressure maintenance of pipeline higher pressure value, and adopt the heat conduction shell 18 that link up, make the pressure of joining in marriage oil unanimous, and when the device needs less clamping pressure, control through external control equipment, electromagnetism pressure limiting valve 1 carries out pressure release threshold value pressure adjustment, and in use, oil pressure probe 2 detects the inside pressure of pipeline constantly, carry out closed loop feedback, guarantee that the use of device is stable.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A device for automatically converting high pressure and low pressure of a chuck of a numerical control machine tool mainly comprises an electromagnetic pressure limiting valve (1), a connector (11), an assembling head (17) and a heat conducting shell (18), and is characterized in that the heat conducting shell (18) is fixedly installed at outlets at the left end and the right end of the electromagnetic pressure limiting valve (1), a protective shell (10) is fixedly installed at the outer side of the heat conducting shell (18), the connector (11) is fixedly installed at the middle part of the top end of the electromagnetic pressure limiting valve (1), a screwing sleeve (14) with an upward opening is fixedly installed at the outer side of the connector (11), threads are arranged on the outer wall of the screwing sleeve (14), an oil inlet pipe (12) is installed at the upper part of the inner side of the screwing sleeve (14) in an inserting mode, a pressure pipe sleeve (13) is installed on the outer wall of the screwing sleeve (14) in a screwing mode through the threads, a hexagonal sleeve, a gasket (20) is installed between the bottom end of the oil inlet pipe (12) and the top end of the joint (11) in a compression joint mode, a pressure relief oil pipe (3) is fixedly installed in the middle of the bottom end of the electromagnetic pressure limiting valve (1), an oil pressure probe (2) is installed in the middle of the front side of the electromagnetic pressure limiting valve (1) in a rotary joint mode, through holes (16) are formed in the bottom end of the protective shell (10) and the bottom end of the heat conducting shell (18), an assembling plate (5) is fixedly installed on the outer wall of the bottom end of the protective shell (10) at the through holes (16), symmetrically arranged bolt seats (7) are fixedly installed at the bottom end edge of the assembling plate (5), an assembling head (17) is fixedly installed in the middle of the bottom end of the assembling plate (5), a pressing sleeve (9) is installed on the outer side of the assembling head (17) in a sleeved mode, the pressure cover (9) outer wall fixed mounting has edge piece (6), bolt seat (7) bottom connects soon and installs compression bolt, the inside bolt hole of having seted up in edge piece (6) the left and right sides, press cover (9) middle part to run through the grafting and install out oil pipe (22).

2. The device for automatically switching high and low pressures of the numerical control machine tool chuck according to claim 1 is characterized in that the bottom end of the oil inlet pipe (12) is provided with an outward flange, and the side wall of the bottom end of the compression ring (19) is tightly pressed with the outer wall of the oil inlet pipe (12) at the outward flange.

3. The device for automatically switching high and low pressures of the numerical control machine chuck according to claim 1, is characterized in that the radiating fins (8) which are arranged at equal intervals are fixedly arranged at the upper part of the outer side of the heat conducting shell (18), and the radiating fins (8) adopt a sheet structure.

4. The device for automatically switching high and low pressures of the numerical control machine tool chuck according to claim 1, is characterized in that a rubber gasket (4) is fixedly installed at the bottom end of the assembling head (17), and the side wall of the bottom end of the rubber gasket (4) is tightly pressed with the side wall of the top end of the oil outlet pipe (22).

5. The device for automatically switching high and low pressures of the chuck of the numerical control machine tool according to claim 1, wherein the electromagnetic pressure limiting valve (1) and the oil pressure probe (2) are electrically connected with an external control device and an external power supply through a wire harness.