Non-contact clutch for saw cutting production equipment

Abstract

The utility model discloses a non-contact clutch for saw cutting production equipment, which comprises a driving shaft, a driving sleeve, a driven shaft and a driven shell, the driving shaft is connected with the driving sleeve through a bearing, an electromagnetic sleeve is arranged outside the driving sleeve, the driven shell is movably arranged in the driving sleeve, the driven shell comprises an assembling sleeve and a mounting sleeve, and the assembling sleeve is connected with the driven shaft. A driven shaft is in transmission connection in the assembling sleeve, a permanent magnet assembly coupled with the magnetic field of the electromagnetic sleeve is detachably connected in the end, away from the driven shaft, of the mounting sleeve, and the assembling sleeve and the mounting sleeve are connected through a fastener. Compared with the prior art, by arranging the driving shaft, the driving sleeve, the driven shaft, the assembling sleeve, the mounting sleeve, the permanent magnet assembly and the electromagnetic sleeve, the permanent magnet transmission device not only can assist the driving shaft to carry out power transmission on the driven shaft, but also can replace the permanent magnet assembly with different magnetic field intensities by splitting the driven shell; and therefore, the torque requirement of a saw cutting scene with higher load can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to clutch technical field, especially relate to non -contact clutch for sawing production equipment. BACKGROUND

[0002] Non -contact clutch is a kind of transmission device by electromagnetic induction or magnetic powder coupling transmission torque, its core feature is in the power transmission process driving end and driven end without physical contact, to avoid mechanical wear and tear. In prior art, non -contact clutch compared to contact clutch greatly reduces the friction between transmission components, effectively reduces the wear degree caused by friction, prolongs the service life, but in practical application, the magnetic pole layout of traditional non -contact clutch is relatively fixed, cannot be flexibly adapted to the torque characteristics of different sawing materials, and clutch is mostly integrated structure, through the grooving of clutch inside machine tool, although it can be assembled between components, but further causes limitation to later maintenance and replacement, is not conducive to practical application. For this reason, we propose non -contact clutch for sawing production equipment. CONTENT OF UTILITY MODEL

[0003] To solve the above problems, the utility model provides non -contact clutch for sawing production equipment.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] Design non -contact clutch for sawing production equipment, including driving shaft, drive sleeve, driven shaft and driven housing driving shaft is connected with drive sleeve through bearing, drive sleeve is equipped with electromagnetic sleeve, driven housing is movably arranged in drive sleeve, driven housing includes assembly sleeve and mounting sleeve, driven shaft is transmissionally connected in assembly sleeve, the permanent magnet assembly that is magnetically coupled with electromagnetic sleeve is detachably connected in the inside of the mounting sleeve away from the one end of driven shaft, assembly sleeve and mounting sleeve are connected by fastener.

[0006] In the above scheme, the electromagnetic sleeve is fixed with the drive sleeve, and a coil is arranged in the electromagnetic sleeve. One end of the electromagnetic sleeve is connected with a sealing plate.

[0007] In the above scheme, a transmission sleeve one is fixed in the assembly sleeve, and a transmission sleeve two is fixed on the driven shaft and transmissionally connected with the transmission sleeve one.

[0008] In the above scheme, the transmission sleeve two is a tooth sleeve, a tooth groove is formed in the inner wall of the transmission sleeve one and engages with the tooth sleeve, and a connecting plate is fixed on the end of the transmission sleeve two and tightly connected with the transmission sleeve one.

[0009] In the scheme, the permanent magnet assembly is coaxially arranged, the mounting sleeve is provided with a mounting groove at the end for embedding the permanent magnet assembly, the mounting groove is externally provided with a cover plate connected with the mounting sleeve, and the cover plate is internally fixed with a limiting block abutting against the permanent magnet assembly.

[0010] In the scheme, the mounting sleeve is provided with a connecting groove at one end close to the assembling sleeve, the mounting sleeve is rotatably provided with a sliding disc, the driving sleeve is provided with a first fixing disc at one end close to the driven shaft, the first fixing disc is connected with a second fixing disc movably arranged on the assembling sleeve through a guide rod, and the sliding disc is provided with a movable hole matched with the guide rod.

[0011] In the scheme, the permanent magnet assembly is provided with a temperature sensor one at the side, the electromagnetic sleeve is internally provided with a temperature sensor two, and the surface of the mounting sleeve is provided with a heat dissipation hole communicated with the mounting groove.

[0012] The utility model discloses the advantages and beneficial effects are: through setting up driving shaft, driving sleeve, driven shaft, assembling sleeve, mounting sleeve, permanent magnet assembly and electromagnetic sleeve, utilize electromagnetic sleeve, to package coil, make coil can change according to demand, cooperate assembling sleeve, with driven shaft transmission connection, combine mounting sleeve, to package permanent magnet assembly, compared with prior art, through assembling sleeve and mounting sleeve, to build driven housing, not only can assist driving shaft to the power transmission of driven shaft, still can change permanent magnet assembly with different magnetic field intensity through the mode of splitting driven housing, to adapt to the torque demand of higher load sawing scene, not only improve the working performance of sawing equipment, still make clutch become modular structure, convenient production and assembly, also convenient later replacement and maintenance, improve practicality, through setting up temperature sensor one and temperature sensor two, utilize temperature sensor one, to detect the temperature of permanent magnet assembly, utilize temperature sensor two, to detect the internal environment temperature of electromagnetic sleeve, and then dynamically adjust coil current, compensate magnetic field loss, prevent magnetic field temperature from causing transmission efficiency to drop, guarantee work stability. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0014] Fig. 1 The structural diagram of the non-contact clutch for sawing production equipment provided by the utility model is shown in the figure.

[0015] Fig. 2The utility model provides a structure schematic drawing of the driven shell rear side view angle of the non contact clutch for sawing production equipment.

[0016] Fig. 3 The utility model provides a structure schematic drawing of the driven shell front side view angle of the non contact clutch for sawing production equipment.

[0017] In the drawing: driving shaft 1, drive sleeve 2, electromagnetic sleeve 3, sealing plate 4, driven shell 5, assembly sleeve 51, mounting sleeve 52, installation recess 53, permanent magnet assembly 54, temperature sensor one 55, cover plate 56, limit block 57, heat dissipation hole 58, connecting recess 59, transmission sleeve one 6, driven shaft 7, transmission sleeve two 8, gear slot 9, connecting plate 10, sliding disc 11, fixed disc one 12, guide rod 13, movable hole 14, temperature sensor two 15, fixed disc two 16. DETAILED DESCRIPTION

[0018] The specific embodiment of the utility model is further described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides a technical scheme: a non contact clutch for sawing production equipment, including driving shaft 1, drive sleeve 2, driven shaft 7 and driven shell 5, driving shaft 1 is connected with drive sleeve 2 through bearing, and drive sleeve 2 is externally provided with electromagnetic sleeve 3;

[0020] Further, electromagnetic sleeve 3 is coaxially fixed with drive sleeve 2, and a cavity is arranged in electromagnetic sleeve 3, a coil is arranged in the cavity, and sealing plate 4 is connected to one end of electromagnetic sleeve 3 through a fastener;

[0021] Driven shell 5 is movably arranged in drive sleeve 2, and driven shell 5 includes assembly sleeve 51 and mounting sleeve 52, and driven shaft 7 is transmissionally connected in assembly sleeve 51;Driving shaft 1 is connected with an electric actuating mechanism, is used to drive drive sleeve 2 to execute reciprocating movement in the linear direction, thereby making the whole formed by driven shaft 7 and driven shell 5 relative motion with drive sleeve 2, and further making driven shaft 7 reach the station;

[0022] Further, transmission sleeve one 6 is fixed in assembly sleeve 51, and transmission sleeve two 8 is coaxially mounted on driven shaft 7 and is transmissionally connected with transmission sleeve one 6;

[0023] Further, the transmission sleeve two 8 is a gear sleeve, the inner wall of the transmission sleeve one 6 is provided with a gear slot 9 matched with the gear sleeve, the contact area of the driven shaft 7 and the assembly sleeve 51 is increased by using the meshing relationship, the friction force is increased, the connection degree is improved, the end of the transmission sleeve two 8 is fixedly connected with the connecting plate 10 tightly connected with the transmission sleeve one 6, the driven shaft 7 and the driven housing 5 are connected by using the connecting plate 10, and the driven shaft 7 is further driven to move by the magnetic field;

[0024] The mounting sleeve 52 is detachably connected with the permanent magnet assembly 54 magnetically coupled with the electromagnetic sleeve 3 at the inner end away from the driven shaft 7, the permanent magnet assembly 54 comprises an annular frame, and the annular frame is provided with a Halbach permanent magnet array, the assembly sleeve 51 and the mounting sleeve 52 are connected by fasteners;

[0025] Further, the permanent magnet assembly 54 is coaxially arranged, i.e. the permanent magnet assembly 54 is nested inside and outside, the magnetic pole is arranged in layers, the magnetic field strength is multiplied, and the torque density is improved to adapt to high-power sawing work, the end of the mounting sleeve 52 is provided with a mounting groove 53 for embedding the permanent magnet assembly 54, the mounting groove 53 is provided with a cover plate 56 connected with the mounting sleeve 52, the cover plate 56 is fixedly provided with a limiting block 57 abutting against the permanent magnet assembly 54, the permanent magnet assembly 54 is limited by using the limiting block 57 to improve the stability, the limiting block 57 is a heat-conducting limiting block, and in actual application, a liquid cooling pipe can be arranged in the limiting block 57 according to the prior art to reduce the temperature of the permanent magnet assembly 54, the Halbach permanent magnet array is replaced by samarium-cobalt permanent magnet instead of neodymium-iron-boron to reduce the magnetic decay rate, and the surface of the mounting sleeve 52 is coated with a nano-alumina thermal insulation layer to reduce the influence of heat conduction on the magnetic field;

[0026] Further, the mounting sleeve 52 is provided with a connecting groove 59 close to the assembly sleeve 51, so that the mounting sleeve 52 and the assembly sleeve 51 are connected by fasteners, the mounting sleeve 52 is connected with a sliding disc 11 through a bearing, the driving sleeve 2 is provided with a fixed disc one 12 close to the driven shaft 7, the fixed disc one 12 is connected with a fixed disc two 16 movably arranged on the assembly sleeve 51 through a guide rod 13, and the sliding disc 11 is provided with a movable hole 14 matched with the guide rod 13; the guide rod 13 is used to avoid the shaking of the driven housing 5 and improve the stability;

[0027] Specifically, by setting the driving shaft 1, the driving sleeve 2, the driven shaft 7, the assembly sleeve 51, the mounting sleeve 52, the permanent magnet assembly 54 and the electromagnetic sleeve 3, the coil is packaged by the electromagnetic sleeve 3, the coil can be replaced according to the demand, the assembly sleeve 51 is matched with the driven shaft 7 to drive connection, the mounting sleeve 52 is combined to package the permanent magnet assembly 54, compared with the prior art, the driven housing 5 is constructed by the assembly sleeve 51 and the mounting sleeve 52, not only can assist the driving shaft 1 to transmit power to the driven shaft 7, but also can replace the permanent magnet assembly 54 with different magnetic field strength by splitting the driven housing 5 to adapt to the torque demand of the higher load sawing scene, not only improve the working performance of the sawing equipment, but also make the clutch become a modular structure, facilitate production and assembly, also convenient for later replacement and maintenance, improve practicality.

[0028] Further, the permanent magnet assembly 54 is provided with a temperature sensor one 55 arranged in the recess 53, the electromagnetic sleeve 3 is provided with a temperature sensor two 15, and the mounting sleeve 52 is provided with a heat dissipation hole 58 communicated with the recess 53, the heat dissipation hole 58 is used to achieve the cooling effect and inhibit the thermal decay effect of the magnetic field.

[0029] Specifically, by setting the temperature sensor one 55 and the temperature sensor two 15, the temperature of the permanent magnet assembly 54 is detected by the temperature sensor one 55, the internal temperature of the electromagnetic sleeve 3 is detected by the temperature sensor two 15, and then the coil current is dynamically adjusted, the magnetic field loss is compensated, the magnetic field temperature is prevented from causing the transmission efficiency to decrease, and the working stability is ensured.

[0030] The above only describes the preferred embodiments of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. Non-contact clutch for sawing production equipment, comprising a driving shaft (1), a driving sleeve (2), a driven shaft (7) and a driven housing (5), characterized in that, The main shaft (1) is connected with the driving sleeve (2) through a bearing, the driving sleeve (2) is externally provided with an electromagnetic sleeve (3), the driven shell (5) is movably arranged in the driving sleeve (2), the driven shell (5) comprises an assembling sleeve (51) and a mounting sleeve (52), the driven shaft (7) is drivingly connected in the assembling sleeve (51), the mounting sleeve (52) is removably connected with a permanent magnet assembly (54) which is magnetically coupled with the electromagnetic sleeve (3) at an inner end away from the driven shaft (7), and the assembling sleeve (51) and the mounting sleeve (52) are connected through fasteners.

2. Non-contact clutch for sawing production equipment according to claim 1, characterized in that, The electromagnetic sleeve (3) is fixed with the driving sleeve (2), the electromagnetic sleeve (3) is internally provided with a coil, and one end of the electromagnetic sleeve (3) is connected with an end plate (4).

3. The non-contact clutch for sawing production equipment of claim 1, wherein, The assembling sleeve (51) is internally fixed with a transmission sleeve one (6), and the driven shaft (7) is fixed with a transmission sleeve two (8) which is drivingly connected with the transmission sleeve one (6).

4. The non-contact clutch for sawing production equipment according to claim 3, characterized in that, The transmission sleeve two (8) is a tooth sleeve, the inner wall of the transmission sleeve one (6) is provided with a tooth groove (9) which is engaged with the tooth sleeve, and the end of the transmission sleeve two (8) is fixed with a connecting plate (10) which is tightly connected with the transmission sleeve one (6).

5. The non-contact clutch for sawing production equipment of claim 1, wherein, The permanent magnet assembly (54) is arranged coaxially, and the end of the mounting sleeve (52) is provided with a mounting groove (53) for embedding the permanent magnet assembly (54), the mounting groove (53) is externally provided with a cover plate (56) which is connected with the mounting sleeve (52), and the inner side of the cover plate (56) is fixed with a limiting block (57) which abuts against the permanent magnet assembly (54).

6. The non-contact clutch for sawing production equipment of claim 1, wherein, The mounting sleeve (52) is provided with a connecting groove (59) at one end close to the assembling sleeve (51), the mounting sleeve (52) is rotatably provided with a sliding disc (11), one end of the driving sleeve (2) close to the driven shaft (7) is provided with a fixed disc one (12), the fixed disc one (12) is connected with a fixed disc two (16) movably arranged on the assembling sleeve (51) through a guide rod (13), and the sliding disc (11) is provided with a movable hole (14) matched with the guide rod (13).

7. The non-contact clutch for sawing production equipment of claim 5, wherein, The permanent magnet assembly (54) is provided with a temperature sensor one (55), the electromagnetic sleeve (3) is internally provided with a temperature sensor two (15), and the surface of the mounting sleeve (52) is provided with a heat dissipation hole (58) which is communicated with the mounting groove (53).

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