CN210075046U - Dustproof structure of closed-loop stepping motor - Google Patents

Dustproof structure of closed-loop stepping motor Download PDF

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Publication number
CN210075046U
CN210075046U CN201921322386.2U CN201921322386U CN210075046U CN 210075046 U CN210075046 U CN 210075046U CN 201921322386 U CN201921322386 U CN 201921322386U CN 210075046 U CN210075046 U CN 210075046U
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China
Prior art keywords
end cover
stepping motor
shell body
motor shell
tail end
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CN201921322386.2U
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Chinese (zh)
Inventor
罗祝波
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Shenzhen Shenli Motor Co Ltd
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Shenzhen Shenli Motor Co Ltd
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Priority to CN201921322386.2U priority Critical patent/CN210075046U/en
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Abstract

The utility model discloses a dustproof structure of a closed-loop stepping motor, which relates to the technical field of stepping motors, and comprises a stepping motor shell body, wherein one side of the stepping motor shell body is fixedly connected with a tail end cover through a bolt, the outer wall of the stepping motor shell body is provided with a first outer ring clamping plate, the outer wall of the tail end cover is provided with a second outer ring clamping plate, the tail end cover is provided with a second mounting hole near one side of the second outer ring clamping plate, the outer walls of the stepping motor shell body and the tail end cover are provided with outer sealing plates, the utility model seals and shields the connecting seam of the stepping motor shell and the tail end cover through the outer sealing plates, the connecting seam of the stepping motor shell and the tail end cover is not exposed outside, dust is not easy to enter, and the cable is accessed through a cable connecting seat, thereby effectively blocking the dust from entering the, the leakproofness of dustproof construction has been improved.

Description

Dustproof structure of closed-loop stepping motor
Technical Field
The utility model belongs to the technical field of step motor, concretely relates to closed loop step motor's dustproof construction.
Background
The stepping motor is an open-loop control motor for converting an electric pulse signal into angular displacement or linear displacement, and is a main execution element in a modern digital program control system, dust prevention at the tail part of the stepping motor is an important factor influencing the service life of the stepping motor, and a good dust prevention structure can isolate dust in the outside air, so that no impurity is left on a grating encoder inside the stepping motor, and the normal operation of the stepping motor is protected.
But closed loop step motor's on the existing market dustproof construction can not satisfy the operation requirement, the step motor shell exposes externally with the joint seam of afterbody end cover, the vibration that step motor long-term work produced leads to the not hard up seam mouth of bolt to enlarge, dustproof construction does not fasten, and the inside cable access hole of cable junction seat on the traditional afterbody end cover directly communicates with each other with afterbody end cover is inside, the dust easily gets into the afterbody end cover from the access hole in the time of the cable rocks, based on the problem that appears more than, a closed loop step motor's dustproof construction is proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a closed loop step motor's dustproof construction to the joint connection of the step motor shell that proposes and afterbody end cover enlarges and easily gets into the dust in solving above-mentioned background art, and the poor problem of cable junction seat sealing performance.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a closed loop step motor's dustproof construction, includes step motor shell body, bolt fixedly connected with afterbody end cover is passed through to one side of step motor shell body, first outer lane cardboard is installed to the outer wall of step motor shell body, the second outer lane cardboard is installed to the outer wall of afterbody end cover, one side position department that is close to first outer lane cardboard on the step motor shell body has seted up first mounting hole, one side position department that is close to second outer lane cardboard on the afterbody end cover has seted up the second mounting hole, outer seal plate is installed to the outer wall of step motor shell body and afterbody end cover, and the inner wall of outer seal plate installs first interior cardboard, cardboard in the second is installed to one side of first interior cardboard, the third mounting hole has been seted up to the outer wall of outer seal plate.
Preferably, a cable connecting seat is installed on one side of the tail end cover, a cable inlet hole is formed in the cable connecting seat, a sealing ring is installed at one end of the cable connecting seat, and a sealing gasket is installed on the outer wall of the cable connecting seat.
Preferably, a heat radiating fin is installed at one side of the tail end cover, and a heat conducting rod is installed inside the tail end cover and extends to one side of the heat radiating fin.
Preferably, the mounting bracket is installed to one side of step motor shell body, and there is the grating encoder mainboard one side of mounting bracket through bolt fixedly connected with.
Preferably, the number of the first mounting holes is four, and every two of the four first mounting holes are symmetrically arranged on two sides of the shell body of the stepping motor in two groups.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses an outer sealing plate shelters from step motor shell and the joint line of afterbody end cover is sealed, and step motor shell does not expose externally with the joint line of afterbody end cover, and the dust is difficult for getting into, and outer sealing plate can guarantee the stable connection of step motor shell and afterbody end cover with step motor shell and afterbody end cover chucking simultaneously.
(2) The utility model discloses a cable junction seat inserts the cable, and the inside cable hand-hole of cable junction seat is L shape, and when the cable was spured and rotated by external force, the dust can directly not get into the afterbody end cover from the cable hand-hole in, can effectually block in the dust gets into the afterbody end cover, has improved dustproof construction's sealing performance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a state diagram of the present invention with an outer sealing plate installed;
FIG. 3 is an external view of the outer sealing plate of the present invention;
fig. 4 is a sectional view of the outer seal plate of the present invention;
fig. 5 is a front view of the tail end cover of the present invention;
fig. 6 is a top view of the cable connecting seat of the present invention;
in the figure: 1-a stepping motor shell body; 2-a first mounting hole; 3-a first outer ring clamping plate; 4-heat conducting rods; 5-tail end cover; 6-a second mounting hole; 7-a heat sink; 8-a cable connection socket; 9-cable access hole; 10-a second outer ring clamping plate; 11-a grating encoder motherboard; 12-a mounting frame; 13-an outer sealing plate; 14-a third mounting hole; 15-a first inner snap gauge; 16-a second inner snap gauge; 17-a sealing ring; 18-sealing gasket.
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.
Referring to fig. 1-6, the present invention provides the following technical solutions: a dustproof structure of a closed-loop stepping motor comprises a stepping motor shell body 1, one side of the stepping motor shell body 1 is fixedly connected with a tail end cover 5 through bolts, after the stepping motor shell body 1 and the tail end cover 5 are jointed, a first outer ring clamping plate 3 on the stepping motor shell body 1 is jointed with a second outer ring clamping plate 10 on the tail end cover 5, the jointed first outer ring clamping plate 3 and the second outer ring clamping plate 10 are clamped into a clamping groove between an inner clamping plate 15 and a second inner clamping plate 16, a first outer ring clamping plate 3 is installed on the outer wall of the stepping motor shell body 1, a second outer ring clamping plate 10 is installed on the outer wall of the tail end cover 5, a first installation hole 2 is formed in one side position, close to the first outer ring clamping plate 3, on the stepping motor shell body 1, a second installation hole 6 is formed in one side position, close to the second outer ring clamping plate 10, on the tail end cover 5, an outer sealing plate 13 is installed on the outer, and the inner wall of the outer sealing plate 13 is provided with a first inner clamping plate 15, one side of the first inner clamping plate 15 is provided with a second inner clamping plate 16, the outer wall of the outer sealing plate 13 is provided with a third mounting hole 14, the outer sealing plate 13 is not in a closed ring shape, the outer sealing plate 13 is provided with an opening, the outer sealing plate 13 is broken off by applying force, the outer sealing plate 13 can be directly clamped on the outer walls of the stepping motor shell body 1 and the tail end cover 5, the third mounting hole 14 corresponds to the first mounting hole 2 and the second mounting hole 6, and the outer sealing plate 13 is fixed on the stepping motor shell body 1 and the tail end cover 5 through bolts.
Further, cable junction seat 8 is installed to one side of afterbody end cover 5, and cable access hole 9 has been seted up to cable junction seat 8's inside, sealing washer 17 is installed to cable junction seat 8's one end, and cable junction seat 8's outer wall installs sealed pad 18, cable junction seat 8 is L shape and installs on afterbody end cover 5, the cable passes cable access hole 9 and gets into the inside needs of afterbody end cover 5 and turn round, installation sealing washer 17 on cable junction seat 8, the dust can not turn round and get into inside afterbody end cover 5.
Further, a heat radiating fin 7 is installed on one side of the tail end cover 5, and a heat conducting rod 4 is installed inside the tail end cover 5 and extends to one side of the heat radiating fin 7.
Further, an installation frame 12 is installed on one side of the stepping motor shell body 1, and a grating encoder main board 11 is fixedly connected to one side of the installation frame 12 through bolts.
Furthermore, the number of the first mounting holes 2 is four, and two groups of the four first mounting holes 2 are symmetrically arranged on two sides of the stepping motor shell body 1.
The utility model discloses a theory of operation and use flow: when the grating encoder is used, a cable on the grating encoder main board 11 is inserted from a cable inlet hole 9 at the top of a cable connecting seat 8 in the tail end cover 5 and then led out to the outside of the tail end cover 5, a user attaches the tail end cover 5 to the stepping motor shell body 1, the tail end cover 5 is connected to the stepping motor shell body 1 through bolts, the outer sealing plate 13 is broken off by hands, then a first inner clamping plate 15 and a second inner clamping plate 16 on the outer sealing plate 13 are clamped on the side edges of a first outer ring clamping plate 3 and a second outer ring clamping plate 10 respectively, a third mounting hole 14 on the outer sealing plate 13 is aligned with the first mounting hole 2 and the second mounting hole 6, the outer sealing plate 13 is fixed on the stepping motor shell body 1 and the tail end cover 5 through bolts, heat emitted from the grating encoder main board 11 is conducted to the heat conducting rod 4, and heat on the heat conducting rod 4 is conducted to the radiating fins 7, heat is radiated from the heat sink 7 to the outside of the motor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a closed loop step motor's dustproof construction, includes step motor shell body (1), bolt fixedly connected with afterbody end cover (5), its characterized in that are passed through to one side of step motor shell body (1): first outer lane cardboard (3) are installed to the outer wall of step motor shell body (1), second outer lane cardboard (10) are installed to the outer wall of afterbody end cover (5), one side position department that is close to first outer lane cardboard (3) on step motor shell body (1) has seted up first mounting hole (2), one side position department that is close to second outer lane cardboard (10) on afterbody end cover (5) has seted up second mounting hole (6), outer closing plate (13) are installed to the outer wall of step motor shell body (1) and afterbody end cover (5), and the inner wall of outer closing plate (13) installs first interior cardboard (15), cardboard (16) in the second is installed to one side of cardboard (15) in the first cardboard, third mounting hole (14) have been seted up to the outer wall of outer closing plate (13).
2. The dustproof structure of a closed-loop stepping motor according to claim 1, wherein: cable junction seat (8) are installed to one side of afterbody end cover (5), and cable access hole (9) have been seted up to the inside of cable junction seat (8), sealing washer (17) are installed to the one end of cable junction seat (8), and the outer wall of cable junction seat (8) installs sealed pad (18).
3. The dustproof structure of a closed-loop stepping motor according to claim 1, wherein: and a radiating fin (7) is installed on one side of the tail end cover (5), and a heat conducting rod (4) is installed in the tail end cover (5) in a manner that one side of the radiating fin (7) extends to the inside of the tail end cover (5).
4. The dustproof structure of a closed-loop stepping motor according to claim 1, wherein: mounting bracket (12) are installed to one side of step motor shell body (1), and there is grating encoder mainboard (11) one side of mounting bracket (12) through bolt fixedly connected with.
5. The dustproof structure of a closed-loop stepping motor according to claim 1, wherein: the four first mounting holes (2) are arranged in total, and two first mounting holes (2) are symmetrically arranged on two sides of the shell body (1) of the stepping motor in a two-to-two mode.
CN201921322386.2U 2019-08-15 2019-08-15 Dustproof structure of closed-loop stepping motor Active CN210075046U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921322386.2U CN210075046U (en) 2019-08-15 2019-08-15 Dustproof structure of closed-loop stepping motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921322386.2U CN210075046U (en) 2019-08-15 2019-08-15 Dustproof structure of closed-loop stepping motor

Publications (1)

Publication Number Publication Date
CN210075046U true CN210075046U (en) 2020-02-14

Family

ID=69430855

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921322386.2U Active CN210075046U (en) 2019-08-15 2019-08-15 Dustproof structure of closed-loop stepping motor

Country Status (1)

Country Link
CN (1) CN210075046U (en)

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