CN210863459U - Automatic rapping device of negative pressure sieve - Google Patents
Automatic rapping device of negative pressure sieve Download PDFInfo
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- CN210863459U CN210863459U CN201921735486.8U CN201921735486U CN210863459U CN 210863459 U CN210863459 U CN 210863459U CN 201921735486 U CN201921735486 U CN 201921735486U CN 210863459 U CN210863459 U CN 210863459U
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- pressure sieve
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Abstract
The utility model discloses an automatic rapping device of a negative pressure sieve, which comprises a negative pressure sieve body, wherein a negative pressure sieve opening is arranged on the negative pressure sieve body, a sieve cover plate is arranged at the top end of the negative pressure sieve opening, a transmission case is fixed on one side of the negative pressure sieve body, a vibrating rod is rotatably connected on the transmission case, a transmission motor is fixed on the inner side of the transmission case through a bracket, the output end of the transmission motor is provided with a cam, the top end of the inner side of the transmission case is slidably connected with a transmission rod, the transmission rod is rotatably connected with the vibrating rod, a reset spring is sleeved on the outer side of the transmission rod, and the transmission rod and; through being provided with and beaing bobble, vibrating arm, time relay, cam, drive motor, transfer line and reset spring, be convenient for make the vibrating arm carry out reciprocating motion and beat the vibrations to the screen cover board, avoid needing artifical frequent beating to the screen cover board, be convenient for save artifical labour cost, improve the economic benefits of product.
Description
Technical Field
The utility model belongs to the technical field of negative pressure sieve vibrating device, concretely relates to automatic rapping device of negative pressure sieve.
Background
The negative pressure sieve is a special instrument for carrying out sieving analysis inspection on the fineness of cement, has the characteristics of simple structure, convenient operation, small volume and easy movement, and mainly comprises a sieve base, a micromotor, a dust collector, a cyclone cylinder and the like. When the existing negative pressure sieve works, a small amount of materials can be stained on the surface of the cover plate due to the fact that the materials are fine and are under the action of centrifugal force, knocking needs to be manually carried out, the using effect is poor, and the manual labor intensity is greatly increased. To this end we propose an automatic rapping device for negative pressure screens.
Disclosure of Invention
An object of the utility model is to provide an automatic rapping device of negative pressure sieve to propose current negative pressure sieve in solving above-mentioned background art at the during operation, because of the material is more thin, receive centrifugal force effect, a small amount of material can be stained with the apron surface, need the manual work to go to beat, and the result of use is not good, very big increase artifical intensity of labour's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic rapping device of negative pressure sieve, includes the negative pressure sieve body, be provided with the negative pressure screen cut on the negative pressure sieve body, negative pressure screen cut top is provided with the sieve apron, negative pressure sieve body one side is fixed with the transmission case, it is connected with the vibrating arm to rotate on the transmission case, the transmission case inboard is fixed with drive motor through the support, drive motor's output is provided with the cam, the inboard top sliding connection of transmission case has the transfer line, the transfer line rotates with the vibrating arm to be connected, transfer line outside cover is equipped with reset spring, the transfer line is in the coplanar with the cam, the transfer line lower extreme offsets with the cam, vibrating arm one end is provided with beats the sledgehammer, transmission case side surface is provided with time relay, time relay and drive motor electric connection.
Preferably, a connecting stud is arranged at one end of the vibrating rod, a thread groove is formed in the side surface of the small beating hammer, and the small beating hammer is connected with the vibrating rod in a matched mode through the connecting stud and the thread groove.
Preferably, the small beating hammer is cylindrical, and a leather sheath is wrapped on the surface of the small beating hammer.
Preferably, the lower end of the inner side of the transmission rod is rotatably provided with a roller, and the roller and the cam are positioned on the same plane.
Preferably, a cavity is formed in the inner side of the vibrating rod, and one end of the vibrating rod is perpendicular to the small beating hammer.
Compared with the prior art, the beneficial effects of the utility model are that:
through being provided with and beaing bobble, vibrating arm, time relay, cam, drive motor, transfer line and reset spring, be convenient for make the vibrating arm carry out reciprocating motion and beat the vibrations to the screen cover board, avoid needing artifical frequent beating to the screen cover board, very big reduction artifical intensity of labour, save artifical labour cost, be convenient for improve the economic benefits of product.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional view at a in fig. 1 according to the present invention;
fig. 3 is a schematic view of the present invention at a portion B of fig. 2;
in the figure: 1. a negative pressure screen body; 2. a negative pressure screen port; 3. a screen cover plate; 4. knocking a small hammer; 5. a vibrating rod; 6. a transmission case; 7. a time relay; 8. a return spring; 9. a transmission rod; 10. a drive motor; 11. a cam; 12. and a roller.
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. 1-3, the present invention provides a technical solution: an automatic rapping device of a negative pressure sieve comprises a negative pressure sieve body 1, a negative pressure sieve opening 2 is arranged on the negative pressure sieve body 1, a sieve cover plate 3 is arranged at the top end of the negative pressure sieve opening 2, a transmission case 6 is fixed at one side of the negative pressure sieve body 1, a vibrating rod 5 is rotatably connected onto the transmission case 6 and is convenient to drive a small rapping hammer 4 to move up and down, a transmission motor 10 is fixed at the inner side of the transmission case 6 through a bracket, a cam 11 is arranged at the output end of the transmission motor 10, a transmission rod 9 is slidably connected at the top end of the inner side of the transmission case 6, the transmission rod 9 is rotatably connected with the vibrating rod 5 and is convenient to drive the vibrating rod 5 to rotate, a reset spring 8 is sleeved at the outer side of the transmission rod 9, the transmission rod 9 and the cam 11 are positioned on the same plane, the lower end of the transmission rod 9, the screen cover plate 3 is convenient to knock, a time relay 7 is arranged on the side surface of the transmission box 6, and the time relay 7 is electrically connected with the transmission motor 10.
In this embodiment, preferably, a connecting stud is arranged at one end of the vibrating rod 5, a screw groove is formed in the side surface of the small rapping hammer 4, and the small rapping hammer 4 and the vibrating rod 5 are connected in a matching manner through the connecting stud and the screw groove, so that the small rapping hammer 4 can be conveniently replaced and maintained.
In this embodiment, preferably, the rapping hammer 4 is cylindrical, and the surface of the rapping hammer 4 is covered with a leather sheath.
In this embodiment, preferably, the lower end of the inner side of the transmission rod 9 is rotatably mounted with a roller 12, and the roller 12 and the cam 11 are in the same plane, so as to reduce the friction between the transmission rod 9 and the cam 11.
In this embodiment, preferably, a cavity is formed inside the vibration rod 5, so as to reduce the weight of the vibration rod 5 and save materials, and one end of the vibration rod 5 is perpendicular to the small striking hammer 4.
The utility model discloses a motor model does: ZGA 25-370.
The utility model discloses a theory of operation and use flow: when the automatic beating machine is used, the transmission motor 10 is powered at intervals of 3 seconds through the time relay 7, the transmission motor 10 moves to drive the cam 11 to rotate, when the protruding portion of the cam 11 reaches the highest point, the transmission rod 9 is pushed to drive the beating hammer 4 to be separated from the screen cover plate 3, when the protruding portion of the cam 11 reaches the lowest point, the transmission rod 9 drives the beating hammer 4 to be in contact with the screen cover plate 3 under the elastic force action of the reset spring 8, and then the screen cover plate 3 is beaten through the beating hammer 4, so that automatic beating is convenient to achieve, inconvenience of manually beating the screen cover plate 3 is reduced, and manual labor intensity is greatly reduced.
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 an automatic rapping device of negative pressure sieve, includes negative pressure sieve body (1), be provided with negative pressure screen door (2) on negative pressure sieve body (1), negative pressure screen door (2) top is provided with sieve apron (3), its characterized in that: a transmission case (6) is fixed on one side of the negative pressure screen body (1), a vibrating rod (5) is rotatably connected on the transmission case (6), a transmission motor (10) is fixed on the inner side of the transmission case (6) through a bracket, a cam (11) is arranged at the output end of the transmission motor (10), the top end of the inner side of the transmission box (6) is connected with a transmission rod (9) in a sliding way, the transmission rod (9) is rotationally connected with the vibrating rod (5), a return spring (8) is sleeved on the outer side of the transmission rod (9), the transmission rod (9) and the cam (11) are positioned on the same plane, the lower end of the transmission rod (9) is abutted against the cam (11), one end of the vibrating rod (5) is provided with a small beating hammer (4), and a time relay (7) is arranged on the side surface of the transmission box (6), and the time relay (7) is electrically connected with the transmission motor (10).
2. The negative pressure sieve automatic rapping device of claim 1, wherein: the utility model discloses a rapping hammer, including vibrating arm (5), rapping hammer (4), rapping hammer (5) one end is provided with connecting screw bolt, the screw groove has been seted up to rapping hammer (4) side surface, rapping hammer (4) is connected through connecting screw bolt and screw groove cooperation with vibrating arm (5).
3. The negative pressure sieve automatic rapping device of claim 2, wherein: the small beating hammer (4) is cylindrical, and a leather sheath is wrapped on the surface of the small beating hammer (4).
4. The negative pressure sieve automatic rapping device of claim 1, wherein: the lower end of the inner side of the transmission rod (9) is rotatably provided with a roller (12), and the roller (12) and the cam (11) are positioned on the same plane.
5. The negative pressure sieve automatic rapping device of claim 1, wherein: a cavity is formed in the inner side of the vibrating rod (5), and one end of the vibrating rod (5) is perpendicular to the small beating hammer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921735486.8U CN210863459U (en) | 2019-10-16 | 2019-10-16 | Automatic rapping device of negative pressure sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921735486.8U CN210863459U (en) | 2019-10-16 | 2019-10-16 | Automatic rapping device of negative pressure sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210863459U true CN210863459U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921735486.8U Active CN210863459U (en) | 2019-10-16 | 2019-10-16 | Automatic rapping device of negative pressure sieve |
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| CN (1) | CN210863459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900026A (en) * | 2021-01-22 | 2021-06-04 | 珠海格力电器股份有限公司 | Washing machine door opening mechanism and washing machine |
-
2019
- 2019-10-16 CN CN201921735486.8U patent/CN210863459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900026A (en) * | 2021-01-22 | 2021-06-04 | 珠海格力电器股份有限公司 | Washing machine door opening mechanism and washing machine |
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