CN111786531A

CN111786531A - Stepping motor coil

Info

Publication number: CN111786531A
Application number: CN202010668933.3A
Authority: CN
Inventors: 王浩然; 王陆军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-10-16

Abstract

The invention relates to the field of coils, in particular to a stepping motor coil, which comprises a mounting frame, a limiting mechanism, a fixing mechanism, a protection mechanism and a coil body, wherein the limiting mechanism is arranged on the mounting frame and comprises an annular groove, a fixing hole and a limiting groove, the annular groove is formed in the side, close to an inner ring, of the mounting frame, a plurality of uniformly distributed fixing holes and limiting grooves are formed in the annular groove, the fixing mechanism is mounted on the mounting frame through the limiting mechanism, the fixing mechanism comprises a semicircular hollow ring, a fan-shaped through cavity and limiting pieces, the semicircular hollow ring is provided with a plurality of uniformly distributed fan-shaped through cavities, the horizontal limiting pieces are fixedly mounted on the outer ring, far away from the fan-shaped through cavity, of the semicircular hollow ring, and the two semicircular hollow rings form a hollow circular ring through a connecting mechanism. The stepping motor coil provided by the invention has the advantages of dust prevention and difficulty in occurrence of damage and short circuit.

Description

Stepping motor coil

Technical Field

The invention relates to the field of coils, in particular to a stepping motor coil.

Background

The stepping motor is an open-loop control motor which converts an electric pulse signal into angular displacement or linear displacement, is a main executive element in a modern digital program control system, and is extremely widely applied. In the non-overload condition, the rotation speed and stop position of the motor only depend on the frequency and pulse number of the pulse signal, and are not influenced by the load change, when the stepping driver receives a pulse signal, the stepping driver drives the stepping motor to rotate by a fixed angle in a set direction, namely a stepping angle, and the rotation of the stepping motor is operated by one step at the fixed angle. The angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is fulfilled; meanwhile, the rotating speed and the rotating acceleration of the motor can be controlled by controlling the pulse frequency, so that the aim of speed regulation is fulfilled.

Some install the step motor in the great region of dust, the coil lateral wall is infected with the dust easily and leads to the working effect during the installation, and some step motor lead to the inside fusing that appears of copper line base member because workload is too big burns out simultaneously, and lead to the copper line base member can not use. Therefore, it is necessary to provide a stepping motor coil to solve the above technical problems.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a stepping motor coil.

The technical scheme adopted by the invention for solving the technical problems is as follows: a stepping motor coil comprises a mounting frame, a limiting mechanism, a fixing mechanism, a protection mechanism and a coil body, wherein the limiting mechanism is arranged on the mounting frame and comprises an annular groove, a fixing hole and a limiting groove, the annular groove is formed in the side, close to an inner ring, of the mounting frame, and the annular groove is provided with a plurality of fixing holes and limiting grooves which are uniformly distributed; the fixing mechanism is installed on the installation frame through a limiting mechanism and comprises semicircular hollow rings, fan-shaped through cavities and limiting pieces, the semicircular hollow rings are provided with a plurality of uniformly distributed fan-shaped through cavities, the outer rings of the semicircular hollow rings, which are far away from the fan-shaped through cavities, are fixedly provided with the horizontally arranged limiting pieces, and the two semicircular hollow rings form a hollow circular ring through a connecting mechanism; the protection mechanism is arranged on the mounting frame; each semicircular hollow ring corresponding to the fan-shaped through cavity is wound with a coil body with the same length and specification.

Preferably, the connecting mechanism comprises a fixing screw and connecting lugs, the connecting lugs which are vertically arranged are fixedly arranged at the positions, close to the ring edges, of the semicircular hollow rings, and the connecting lugs on the two semicircular hollow rings are mutually fixed through the fixing screw.

Preferably, the protection mechanism comprises an annular sheet, an inner ring, elastic cloth and through holes, the annular sheet is provided with a plurality of uniformly distributed through holes, the inner ring of the annular sheet is provided with the inner ring with the same axis, and the annular sheet is connected with the inner ring through the elastic cloth.

Preferably, the coil body comprises a copper wire substrate, a flame-retardant layer, a sealing layer, an insulating layer and an RTV anti-pollution flashover coating layer, wherein the flame-retardant layer, the sealing layer, the insulating layer and the RTV anti-pollution flashover coating layer are sequentially embedded in the outer ring of the copper wire substrate from inside to outside.

Preferably, the flame-retardant layer is made of flame-retardant fibers, the sealing layer is made of glass fibers, the insulating layer is made of quartz sand, and the front side and the back side of the coil body are both coated with UV glue.

Compared with the related art, the stepping motor coil provided by the invention has the following beneficial effects:

(1) according to the stepping motor coil, the annular sheet in the protection mechanism is embedded in the annular groove, and the inner ring is clamped in the inner wall of the hollow ring, so that the coil body on the side wall of the hollow ring is covered by the elastic cloth, dust on the side wall is reduced when the coil body is installed, and the cleanness of the coil body is improved.

(2) According to the coil of the stepping motor, the flame-retardant layer on the coil body reduces the phenomenon that some stepping motors are burnt out due to overlarge working load to cause fusing inside the copper wire matrix, the insulating layer avoids the phenomenon that the crossed copper wire matrix is short-circuited, and the RTV anti-pollution flashover coating layer can effectively prevent wet and dirty water drops from entering the copper wire matrix under the humid weather condition, so that the coil body cannot be internally damaged due to the water drops during transportation.

Drawings

Fig. 1 is a schematic structural diagram of a stepping motor coil according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;

FIG. 3 is a schematic structural view of the shield mechanism shown in the stepper motor coil;

fig. 4 is a schematic structural view of the coil body shown in fig. 1.

Reference numbers in the figures: 1. mounting bracket, 2, stop gear, 21, annular groove, 22, fixed orifices, 23, spacing groove, 3, fixed establishment, 31, semicircle cavity ring, 32, fan-shaped logical chamber, 33, spacing piece, 4, coupling mechanism, 41, set screw, 42, connection lug piece, 5, protection machanism, 51, annular piece, 52, inner ring, 53, elasticity cloth, 54, through-hole, 6, coil body, 61, copper line base member, 62, fire-retardant layer, 63, sealing layer, 64, insulating layer, 65, RTV antifouling sudden strain of a muscle dope layer.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a stepping motor coil includes: the coil comprises a mounting frame 1, a limiting mechanism 2, a fixing mechanism 3, a protection mechanism 5 and a coil body 6, wherein the coil body 6 comprises a copper wire base body 61, a flame-retardant layer 62, a sealing layer 63, an insulating layer 64 and an RTV anti-pollution flashover coating layer 65, the outer ring of the copper wire substrate 61 is embedded with a flame retardant layer 62, a sealing layer 63, an insulating layer 64 and an RTV anti-pollution flashover coating layer 65 from inside to outside in sequence, the flame retardant layer 62 adopts flame retardant fibers, thereby reducing the phenomenon that the copper wire matrix 61 is fused due to the over-large work load of some stepping motors, the sealing layer 63 is made of glass fiber, the insulating layer 64 is made of quartz sand, improving the insulating property and avoiding the phenomenon that the crossed copper wire matrix 61 is short-circuited, the RTV anti-pollution flashover coating layer 65 can effectively prevent the wet and dirty water drops from entering the copper wire matrix 61 under the humid weather condition, and the front and the back of the coil body 6 are coated with UV glue.

Referring to fig. 1 and 4, the limiting mechanism 2 is disposed on the mounting frame 1, and the limiting mechanism 2 includes an annular groove 21, a fixing hole 22 and a limiting groove 23, the annular groove 21 is disposed on the mounting frame 1 near the inner ring side, and the annular groove 21 is provided with a plurality of fixing holes 22 and limiting grooves 23 which are uniformly distributed, so as to fix the semicircular hollow ring 31 in the fixing mechanism 3 on the mounting frame 1, the fixing mechanism 3 is mounted on the mounting frame 1 through the limiting mechanism 2, the fixing mechanism 3 includes a semicircular hollow ring 31, a sectorial through cavity 32 and a limiting piece 33, the semicircular hollow ring 31 is provided with a plurality of sectorial through cavities 32 which are uniformly distributed, the outer ring of the semicircular hollow ring 31 far away from the sectorial through cavity 32 is fixedly provided with the horizontally arranged limiting piece 33, two semicircular hollow rings 31 form a hollow circular ring through the connecting mechanism 4, coupling mechanism 4 includes set screw 41 and connection auricle 42, semicircle cavity ring 31 is close to the connection auricle 42 that the fixed mounting of ring limit department has perpendicular setting, and connection auricle 42 on two semicircles cavity ring 31 passes through set screw 41 reciprocal anchorage, constitutes the stability that a complete cavity ring is convenient for improve the installation, and each with all twine the coil body 6 that has the same length, specification on the semicircle cavity ring 31 that fan-shaped logical chamber 32 corresponds.

Referring to fig. 1, protection machanism 5 installs on mounting bracket 1, protection machanism 5 includes annular piece 51, inner circle ring 52, elastic cloth 53 and through-hole 54, set up a plurality of evenly distributed's through-hole 54 on the annular piece 51, and the inner circle of annular piece 51 is equipped with the inner circle ring 52 with the axle center, be connected through elastic cloth 53 between annular piece 51 and the inner circle ring 52, elastic cloth 53 among the protection machanism 5 can reduce and be infected with the dust on the lateral wall when coil body 6 installs, has improved coil body 6's cleanliness factor.

The working principle of the stepping motor coil provided by the invention is as follows: the coil bodies 6 with the same length are sequentially wound on the semicircular hollow rings 31 corresponding to the fan-shaped through cavities 32, the coil bodies 6 are uniformly wound, the two semicircular hollow rings 31 are mutually fixed through the connecting lug plates 42 and the fixing screws 41 to form a complete hollow ring, so that the stability in installation is improved, the hollow ring is placed on the mounting frame 1, the hollow ring is rotated to enable the limiting sheets 33 on the hollow ring to slide into the limiting grooves 23 in the limiting mechanism 2, so that the hollow ring is preliminarily limited, the annular sheets 51 in the protection mechanism 5 are embedded in the annular grooves 21, the through holes 54 and the fixing holes 22 are mutually corresponding and then fixed through the fastening screws, and meanwhile, the inner ring 52 is clamped into the inner wall of the hollow ring, so that the coil bodies 6 on the side wall of the hollow ring are covered by the elastic cloth 53, dust on the side wall in installation of the coil bodies 6 is reduced, and the cleanness of the coil bodies 6 is improved, and fire-retardant layer 62 on copper line base member 61 adopts fire-retardant fibre to having reduced some step motor and having leaded to the inside fusing phenomenon that appears of copper line base member 61 because work load is too big to burn out, insulating layer 64 has avoided crossed copper line base member 61 the situation of short circuit to appear, and the antifouling sudden strain of a muscle coating layer 65 of RTV can be under humid climatic condition, effectively the dirty water droplet of separation humidity enters into copper line base member 61 in, makes the coil body can not lead to inside impaired because of the water droplet when the transportation.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A stepping motor coil is characterized by comprising an installation frame (1), a limiting mechanism (2), a fixing mechanism (3), a protection mechanism (5) and a coil body (6), wherein the limiting mechanism (2) is arranged on the installation frame (1), the limiting mechanism (2) comprises an annular groove (21), a fixing hole (22) and a limiting groove (23), the annular groove (21) is formed in the side, close to an inner ring, of the installation frame (1), and the annular groove (21) is provided with a plurality of fixing holes (22) and limiting grooves (23) which are uniformly distributed; the fixing mechanism (3) is installed on the installation frame (1) through a limiting mechanism (2), the fixing mechanism (3) comprises a semicircular hollow ring (31), a fan-shaped through cavity (32) and limiting pieces (33), the semicircular hollow ring (31) is provided with a plurality of uniformly distributed fan-shaped through cavities (32), the outer ring of the semicircular hollow ring (31), which is far away from the fan-shaped through cavity (32), is fixedly provided with the horizontally arranged limiting pieces (33), and the two semicircular hollow rings (31) form a hollow circular ring through a connecting mechanism (4); the protection mechanism (5) is arranged on the mounting frame (1); each semi-circular hollow ring (31) corresponding to the fan-shaped through cavity (32) is wound with a coil body (6) with the same length and specification.

2. The stepping motor coil according to claim 1, wherein the connecting mechanism (4) comprises a fixing screw (41) and connecting lugs (42), the connecting lugs (42) vertically arranged are fixedly installed on the semicircular hollow rings (31) near the ring edges, and the connecting lugs (42) on the two semicircular hollow rings (31) are mutually fixed through the fixing screw (41).

3. The stepping motor coil according to claim 1, wherein the protection mechanism (5) comprises an annular sheet (51), an inner ring (52), elastic cloth (53) and through holes (54), the annular sheet (51) is provided with a plurality of uniformly distributed through holes (54), the inner ring of the annular sheet (51) is provided with the inner ring (52) having the same axis, and the annular sheet (51) is connected with the inner ring (52) through the elastic cloth (53).

4. The stepping motor coil according to claim 1, wherein the coil body (6) comprises a copper wire substrate (61), a flame retardant layer (62), a sealing layer (63), an insulating layer (64) and an RTV anti-pollution flashover coating layer (65), and the flame retardant layer (62), the sealing layer (63), the insulating layer (64) and the RTV anti-pollution flashover coating layer (65) are sequentially embedded in an outer ring of the copper wire substrate (61) from inside to outside.

5. The stepping motor coil as claimed in claim 4, wherein the flame-retardant layer (62) is made of flame-retardant fibers, the sealing layer (63) is made of glass fiber, and the insulating layer (64) is made of quartz sand; the front surface and the back surface of the coil body (6) are coated with UV glue.