CN216125584U - Drive control device and mixer - Google Patents
Drive control device and mixer Download PDFInfo
- Publication number
- CN216125584U CN216125584U CN202120875466.1U CN202120875466U CN216125584U CN 216125584 U CN216125584 U CN 216125584U CN 202120875466 U CN202120875466 U CN 202120875466U CN 216125584 U CN216125584 U CN 216125584U
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- coaming
- travel switch
- movable
- drive control
- mounting rack
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Abstract
The utility model discloses a drive control device, which comprises a mounting rack, a protective cover, a travel switch and a drive motor, wherein the mounting rack is arranged on the upper portion of the protective cover; the driving motor is electrically connected with an external power supply through a travel switch; the travel switch is arranged on the mounting rack; the protective cover comprises a fixed coaming and a movable coaming; the movable coaming can be switched between an opening position and a closing position relative to the fixed coaming; when the movable coaming is in the opening position, the button rod of the travel switch is pressed to enable the travel switch to be in a normally open state; when the movable coaming is in the closed position, the button rod of the travel switch is not pressed so that the travel switch is in a normally closed state. The utility model automatically stops the driving of the driving motor when the protective cover is opened. The utility model also discloses a stirrer.
Description
Technical Field
The utility model relates to the field of stirring equipment, in particular to a drive control device and a stirrer.
Background
The stirrer is used for replacing manual work to stir materials, and meanwhile, in order to avoid accidentally injuring operators when a stirring shaft of the stirrer rotates, a protective cover is often required to be arranged outside the stirring shaft; in practical application, the stirring shaft is often required to be taken out or materials on the stirring shaft are required to be removed, and at the moment, the stirring shaft can enter the protective cover by opening the protective cover so as to implement the operation; however, the stirring shaft of the stirring machine is driven to rotate by the driving motor, and the driving motor needs to be controlled to be opened and closed independently, so that the situation that the driving motor is forgotten to be closed easily occurs, and an operator is injured by mistake.
SUMMERY OF THE UTILITY MODEL
In order to overcome the disadvantages of the prior art, it is an object of the present invention to provide a drive control apparatus that can automatically stop the driving of a drive motor while opening a protection cover.
The second purpose of the present invention is to provide a mixer that can prevent accidental injury to an operator.
One of the purposes of the utility model is realized by adopting the following technical scheme:
a drive control device comprises a mounting frame, a protective cover, a travel switch and a drive motor; wherein the content of the first and second substances,
the driving motor is electrically connected with an external power supply through the travel switch;
the travel switch is mounted on the mounting rack;
the protective cover comprises a fixed coaming and a movable coaming which are both arranged on the mounting rack; the movable enclosing plate can be switched between an opening position and a closing position relative to the fixed enclosing plate; when the movable enclosing plate is at the closing position, the movable enclosing plate and the fixed enclosing plate enclose to form a protection cavity to prevent an operator from extending into the protection cavity; when the movable coaming is in the opening position, the protection cavity is opened so that an operator can stretch into the protection cavity;
when the movable coaming is in the opening position, the button rod of the travel switch is pressed against the movable coaming so that the travel switch is in a normally open state; when the movable coaming is in the closed position, the button rod of the travel switch is not pressed against the movable coaming, so that the travel switch is in a normally closed state.
Further, the moveable fence may be rotatable about a central axis of the fixed fence and switchable between the open position and the closed position when rotated, and the moveable fence overlaps the fixed fence when in the open position.
Furthermore, the movable enclosing plate is provided with a pressing surface and an avoiding concave surface which are distributed along the rotating direction of the movable enclosing plate; the pressing surface presses against a button rod of the travel switch when the movable enclosing plate is in the opening position; the avoidance concave surface avoids the button rod of the travel switch when the movable coaming is in the closed position so as to release the pressing on the button rod of the travel switch.
Further, the abutting surface and the avoiding concave surface are in smooth transition connection.
Further, the movable coaming comprises a coaming body and a connecting plate fixedly connected with the coaming body; the coaming body and the fixed coaming enclose to form the protection cavity when the movable coaming is in the closed position; the connecting plate is arranged outside the mounting rack and is provided with at least two screw holes which are respectively arranged on two opposite sides of the mounting rack; the driving control device also comprises at least two screws which are arranged in one-to-one correspondence with the at least two screw holes; the rod part of each screw is in threaded fit with the screw hole and abuts against the outer side face of the mounting rack; at least two screws are matched to tightly abut against the mounting frame so as to fix the connecting plate on the mounting frame.
Furthermore, the outer side surface of the mounting frame is recessed to form a circumferential groove extending in the circumferential direction, the rod portion of each screw extends into the circumferential groove and abuts against the bottom of the circumferential groove, and the upward groove wall of the circumferential groove is also used for supporting the rod portion of each screw.
Further, the mounting bracket includes the support body and detachably installs fixed cover on the support body, the annular recess is seted up fixed sheathe in.
Furthermore, the connecting plate is annular and is sleeved outside the mounting frame; at least two the screw is around mounting bracket circumference interval and equidistance distribution.
The second purpose of the utility model is realized by adopting the following technical scheme:
a stirrer comprises the drive control device.
Compared with the prior art, the utility model has the beneficial effects that:
the driving motor is connected with an external power supply through the travel switch, when the movable coaming of the protective cover is in a closed position, the button rod of the travel switch is not pressed against the movable coaming to enable the travel switch to be in a normally closed state, and at the moment, the driving motor is conducted with the external power supply; meanwhile, when the movable enclosing plate of the protective cover is in the opening position, the movable enclosing plate presses against the button rod of the travel switch to enable the travel switch to be in a normally open state, and at the moment, the driving motor is not conducted with an external power supply; like this, when adopting this driving motor drive outside (mixing) shaft function, when switching movable bounding wall to the open position from the closed position, the movable bounding wall supports presses travel switch's button pole so that travel switch switches to normally open state from the normally closed state, and at this moment, driving motor does not switch on and stop the drive with external power source to can stop the motion of (mixing) shaft, avoid the accidental injury.
Drawings
FIG. 1 is a schematic structural diagram of a driving control device according to the present invention;
FIG. 2 is a schematic view of the construction of the drive control apparatus of the present invention (excluding the drive motor);
fig. 3 is a schematic structural view of the dash panel of the present invention.
In the figure: 10. a drive motor; 20. a travel switch; 21. a button lever of a travel switch; 30. a protective cover; 31. fixing the coaming; 32. a movable coaming; 321. a coaming body; 322. a connecting plate; 40. a mounting frame; 41. a circumferential groove; 42. a frame body; 43. fixing a sleeve; 50. pressing the surface; 60. avoiding the concave surface; 70. a screw hole; 80. and (4) screws.
Detailed Description
As shown in fig. 1 to 3, a drive control apparatus includes a mounting bracket 40, a protection cover 30, a stroke switch 20, and a drive motor 10; wherein the content of the first and second substances,
the driving motor 10 is electrically connected with an external power supply through a travel switch 20;
the travel switch 20 is mounted on the mounting bracket 40;
the protective cover 30 comprises a fixed coaming 31 and a movable coaming 32 which are both arranged on the mounting rack 40; the movable closure 32 is also switchable between an open position and a closed position relative to the fixed closure 31; when the movable enclosing plate 32 is in the closed position, the movable enclosing plate and the fixed enclosing plate 31 are closed to form a protection cavity, so that an operator is prevented from entering the protection cavity; when the moveable closure 32 is in the open position, the protective cavity is opened to enable an operator to reach into the protective cavity to perform work; of course, the moveable closure 32 may be arranged to allow ingress and egress of the external agitator shaft when the guard chamber is open in the open position.
When the movable coaming 32 is in the open position, the button rod 21 of the travel switch is pressed to enable the travel switch 20 to be in a normally open state, and at the moment, the driving motor 10 is not conducted with an external power supply; when the movable coaming 32 is in the closed position, the button rod 21 of the travel switch is not pressed against so that the travel switch 20 is in the normally closed state, and it can be understood that when the movable coaming 32 is not pressed against the button rod 21 of the travel switch, the button rod 21 of the travel switch resets under the elasticity of itself, and returns to the normally closed state, and the driving motor 10 is conducted with an external power supply through the travel switch 20.
On the basis of the structure, the driving motor 10 is adopted to drive and be connected with an external stirring shaft in a transmission way, so that the movable enclosing plate 32 is positioned at the closing position and encloses with the fixed enclosing plate 31 to form a protection cavity, the external stirring shaft is positioned in the protection cavity, at the moment, the travel switch 20 is normally closed, the driving motor 10 is conducted with an external power supply, and at the moment, the driving motor 10 drives the stirring shaft to rotate; when the movable coaming 32 is switched from the closed position to the open position, the travel switch 20 is switched from the normally closed state to the normally open state, at the moment, the driving motor 10 is not conducted with an external power supply to stop driving, so that the movement of the stirring shaft can be stopped; therefore, when the protection cavity of the protection cover 30 is opened, the driving of the driving motor 10 is automatically stopped under the matching of the movable coaming 32 of the protection cover 30 and the travel switch 20, and the accidental injury caused by the stirring shaft can be avoided.
Specifically, the movable fence 32 is rotatable about the center axis of the fixed fence 31 and is switchable between an open position and a closed position upon rotation, that is, closing and opening of the protective cover 30 is achieved by rotating the movable fence 32; it should be noted that when the movable enclosing plate 32 rotates to the closed position, the two opposite sides of the movable enclosing plate 32 are respectively and correspondingly closed to form a protection cavity; when the movable closure 32 is rotated to the open position, the corresponding sides of the movable closure 32 and the fixed closure 31 are separated from each other, thereby opening the protection cavity; the moveable closure 32 overlaps the fixed closure 31 when in the open position, so that space is avoided for the moveable closure 32 when in the open position.
More specifically, the movable coaming 32 is formed with a pressing surface 50 and an avoiding concave surface 60 which are arranged along the rotating direction of the movable coaming 32; the pressing surface 50 presses against the button rod 21 of the travel switch when the movable fence 32 is in the open position; the avoidance concave 60 avoids the button lever 21 of the stroke switch when the movable fence 32 is in the closed position to release the pressing of the button lever 21 of the stroke switch; it can be understood that the button rod 21 of the travel switch is arranged on the movement track of the abutting surface 50, so that during the rotation, the abutting surface 50 can abut against the button rod 21 of the travel switch; it is worth mentioning that the vertical distance between the pressing surface 50 and the rotation axis of the moving coaming 32 is larger than the vertical distance between the avoiding concave surface 60 and the rotation axis of the moving coaming 32, so that the pressing surface 50 presses the button rod 21 of the travel switch, and the avoiding concave surface 60 avoids the button rod 21 of the travel switch.
Further, the abutting surface 50 and the avoiding concave surface 60 are connected in a smooth transition mode, so that the button rod 21 of the travel switch is gradually abutted or released in the rotating process of the movable enclosing plate 32, the action on the travel switch 20 is relieved, and the service life of the travel switch 20 is prolonged.
Of course, the movable coaming 32 can be arranged in other manners, for example, the movable coaming 32 can rotate around a horizontal axis, the movable coaming 32 can rotate to a closed position when rotating towards a direction close to the fixed coaming 31, and the movable coaming 32 can rotate to an open position when rotating towards a direction separated from the fixed coaming 31; alternatively, the moving fence 32 may be linearly moved relative to the fixed fence 31 to approach or separate from the fixed fence 31.
Specifically, the movable coaming 32 comprises a coaming body 321 and a connecting plate 322 fixedly connected with the coaming body 321; the coaming body 321 and the fixed coaming 31 form a protection cavity in a surrounding manner when the movable coaming 32 is in the closed position; the connecting plate 322 is arranged outside the mounting frame 40 and is provided with at least two screw holes 70 respectively arranged at two opposite sides of the mounting frame 40; the drive control means further comprises at least two screws 80 provided in one-to-one correspondence with the at least two screw holes 70; the rod part of each screw 80 is in threaded fit with the screw hole 70 and abuts against the outer side surface of the mounting rack 40; at least two screws 80 are matched and abutted against the mounting rack 40 so as to fix the connecting plate 322 on the mounting rack 40; thus, by turning the screw 80, the locking of the link plate 322 is released and the mutual locking of the link plate 322 and the mounting bracket 40 is released, thereby rotating the dash panel 32.
It should be noted that the pressing surface 50 and the avoiding concave surface 60 are disposed on the connecting plate 322.
More specifically, the outer side surface of the mounting bracket 40 is recessed to form a circumferential groove 41 extending in the circumferential direction, the rod portions of the screws 80 extend into the circumferential groove 41 and abut against the bottom of the circumferential groove 41, and the upward groove wall of the circumferential groove 41 is also used for supporting the rod portions of the screws 80, so that after the mutual fixation between the connecting plate 322 and the mounting bracket 40 is released, the groove wall of the circumferential groove 41 supports at least two screws 80, thereby supporting the connecting plate 322, and preventing the connecting plate 322 from falling off, so as to facilitate the rotation of the connecting plate 322.
Specifically, the mounting bracket 40 includes a bracket body 42 and a fixing sleeve 43 detachably mounted on the bracket body 42, and the circumferential groove 41 is formed in the fixing sleeve 43, so that when the screw 80 is fastened to cause abrasion, the fixing sleeve 43 can be removed for replacement.
Further, the connecting plate 322 is annular and is sleeved outside the mounting frame 40; at least two screw holes 70 are circumferentially spaced and equidistantly distributed around the mounting frame 40, and the abutting force of the screws 80 is balanced evenly, so that the fixation is more stable; it will be appreciated that the web 322 is disposed about the hub 43.
The utility model also discloses a stirrer, which comprises the drive control device, wherein the drive control device automatically closes the drive motor 10 when the movable plate of the protective cover 30 is in the opening position, and at the moment, the stirring shaft driven by the drive motor 10 of the stirrer also automatically stops operating, so that an operator is prevented from being accidentally injured by the stirring shaft when stretching into the protective cavity.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. A drive control device comprises a mounting frame (40), a protective cover (30), a travel switch (20) and a drive motor (10); wherein the content of the first and second substances,
the driving motor (10) is electrically connected with an external power supply through the travel switch (20);
the travel switch (20) is mounted on the mounting bracket (40);
the protective cover (30) comprises a fixed enclosing plate (31) and a movable enclosing plate (32) which are both arranged on the mounting frame (40); the movable coaming (32) can also be switched between an opening position and a closing position relative to the fixed coaming (31); when the movable enclosing plate (32) is in the closed position, the movable enclosing plate and the fixed enclosing plate (31) enclose to form a protection cavity to prevent an operator from extending in; the moveable closure (32), when in the open position, opening the protective cavity to enable an operator to reach into the protective cavity;
when the movable coaming (32) is in the open position, the button rod of the travel switch (20) is pressed to enable the travel switch (20) to be in a normally open state; when the movable coaming (32) is in the closed position, the button rod of the travel switch (20) is not pressed so that the travel switch (20) is in a normally closed state.
2. The drive control apparatus according to claim 1, characterized in that: the moving closure (32) is rotatable about a central axis of the fixed closure (31) and is switchable between the open position and the closed position upon rotation, and the moving closure (32) overlaps the fixed closure (31) when in the open position.
3. The drive control apparatus according to claim 2, characterized in that: the movable coaming (32) is provided with a pressing surface (50) and an avoiding concave surface (60) which are distributed along the rotating direction of the movable coaming (32); the pressing surface (50) presses against a button rod of the travel switch (20) when the movable enclosing plate (32) is in the open position; the avoidance concave surface (60) avoids the button rod of the travel switch (20) when the movable coaming (32) is in the closed position so as to release the pressing on the button rod of the travel switch (20).
4. The drive control apparatus according to claim 3, characterized in that: the abutting surface (50) and the avoiding concave surface (60) are connected in a smooth transition mode.
5. The drive control apparatus according to any one of claims 2 to 4, characterized in that: the movable coaming (32) comprises an coaming body (321) and a connecting plate (322) fixedly connected with the coaming body (321); the coaming body (321) and the fixed coaming (31) enclose to form the protection cavity when the movable coaming (32) is in the closed position; the connecting plate (322) is arranged outside the mounting rack (40) and is provided with at least two screw holes (70) which are respectively arranged on two opposite sides of the mounting rack (40); the driving control device also comprises at least two screws (80) which are arranged in one-to-one correspondence with the at least two screw holes (70); the rod part of each screw (80) is in threaded fit with the screw hole (70) and abuts against the outer side surface of the mounting rack (40); at least two screws (80) are matched and tightly abutted against the mounting rack (40) so as to fix the connecting plate (322) on the mounting rack (40).
6. The drive control apparatus according to claim 5, characterized in that: the outer side surface of the mounting rack (40) is sunken in to form a circumferential groove (41) extending in the circumferential direction, the rod part of each screw (80) extends into the circumferential groove (41) and abuts against the bottom of the circumferential groove (41), and the upward groove wall of the circumferential groove (41) is also used for supporting the rod part of each screw (80).
7. The drive control apparatus according to claim 6, characterized in that: the mounting rack (40) comprises a rack body (42) and a fixing sleeve (43) detachably mounted on the rack body (42), and the circumferential groove (41) is formed in the fixing sleeve (43).
8. The drive control apparatus according to claim 5, characterized in that: the connecting plate (322) is annular and is sleeved outside the mounting frame (40); at least two screw holes (70) are circumferentially spaced and equidistantly distributed around the mounting bracket (40).
9. A mixer, its characterized in that: comprising a drive control device according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120875466.1U CN216125584U (en) | 2021-04-26 | 2021-04-26 | Drive control device and mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120875466.1U CN216125584U (en) | 2021-04-26 | 2021-04-26 | Drive control device and mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216125584U true CN216125584U (en) | 2022-03-25 |
Family
ID=80765374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120875466.1U Active CN216125584U (en) | 2021-04-26 | 2021-04-26 | Drive control device and mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216125584U (en) |
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2021
- 2021-04-26 CN CN202120875466.1U patent/CN216125584U/en active Active
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