CN211370635U - Valveless ceramic plunger metering pump - Google Patents
Valveless ceramic plunger metering pump Download PDFInfo
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- CN211370635U CN211370635U CN201922176301.0U CN201922176301U CN211370635U CN 211370635 U CN211370635 U CN 211370635U CN 201922176301 U CN201922176301 U CN 201922176301U CN 211370635 U CN211370635 U CN 211370635U
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Abstract
The utility model discloses a valveless ceramic plunger metering pump, including step motor, there is the riser through the bolt fastening on step motor's the front end housing, and the welding has the bottom plate on the outer wall of riser bottom, fixed mounting has the rotating head on step motor's the output shaft, it has the through-hole to open on the outer wall of rotating head one side, and the fixed grafting in inside of through-hole has the joint bearing cover, the inside of joint bearing cover is pegged graft and is had rotatable joint bearing core, the inside of rotating head one end slides and pegs graft and have ceramic cover, be provided with symmetric distribution's feed liquor nut and liquid nut on the outer wall of ceramic cover both sides respectively, be provided with the drive mechanism who is located ceramic cover below on the outer wall at bottom plate top. The utility model discloses reach fine liquid transport's purpose, can reach the business turn over liquid control of high accuracy, improved quantitative filling's in the production effect, the people of being convenient for is rational in infrastructure, the modern design of whole measuring pump simultaneously to the installation and the dismantlement of part.
Description
Technical Field
The utility model relates to a measuring pump technical field especially relates to a valveless ceramic plunger measuring pump.
Background
The existing ceramic plunger metering pump is mainly used on a filling machine, is mainly used in the industries of medicine, food, chemical industry, electronics and the like, is mainly imported products at home, basically belongs to the blank, and most of quantitative sub-packaging of analytical reagents, blood, additives, oral liquid, injection, bactericides, electrolyte and other liquids need to be filled in a tiny amount, and has no pollution and high filling precision.
However, in the existing plunger pump structure design, the liquid inlet and outlet are controlled by valves (one-way valves or reversing valves), the effect is general, the high-precision liquid inlet and outlet control cannot be achieved, and the quantitative filling effect is affected, so that a valveless ceramic plunger metering pump is urgently needed to solve the problems.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing a valveless ceramic plunger metering pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a valveless ceramic plunger metering pump, includes step motor, be fixed with the riser through the bolt on step motor's the front end housing, and the welding has the bottom plate on the outer wall of riser bottom, fixed mounting has the rotating head on step motor's the output shaft, it has the through-hole to open on the outer wall of rotating head one side, and the inside fixed grafting of through-hole has the joint bearing cover, the inside grafting of joint bearing cover has rotatable joint bearing core, the inside slip grafting of rotating head one end has the ceramic cover, be provided with symmetric distribution's feed liquor nut and liquid outlet nut on the outer wall of ceramic cover both sides respectively, be provided with the drive mechanism who is located ceramic cover below on the outer wall at bottom plate top, there is the photoelectric switch through bolted connection on the outer wall at riser top, and be provided with the scanning piece with photoelectric switch matched with on the.
Further, drive mechanism includes the fixed pin of fixed mounting on bottom plate top one side outer wall, and the outside of fixed pin rotates and has cup jointed the sector plate, there is synchronous motion's connecting plate through bolted connection on the outer wall at sector plate top, be provided with the tooth on one side outer wall of sector plate, and the part that is located the sector plate tooth is provided with the gear that runs through to the bottom plate below.
Furthermore, an angle of 90 degrees is formed between the vertical plate and the bottom plate, and the vertical plate and the bottom plate are of an L-shaped structure.
Furthermore, a ceramic shell is fixedly sleeved outside the ceramic sleeve, one side, close to the vertical plate, of the ceramic shell is fixedly connected with the vertical plate through a bolt, and the outer wall of the bottom of the ceramic shell is fixed on the connecting plate through a bolt.
Furthermore, the center of the outer wall of the top of the vertical plate is provided with a mounting groove, and the inner wall of the bottom of the mounting groove is provided with two threaded holes for fixing the photoelectric switch through bolts.
Furthermore, the light of the photoelectric switch is vertically arranged from top to bottom, and the scanning sheet is vertical to the light of the photoelectric switch.
The utility model has the advantages that:
1. the L type structure of constituteing by riser and bottom plate is convenient for people to the installation and the dismantlement of part, and the structure of whole measuring pump is reasonable simultaneously, and the modern design has improved the practicality of measuring pump again when satisfying the user demand.
2. Through the photoelectric switch and the scanning piece that set up, the relation that assurance photoelectric switch that can be better sent can be intercepted by the scanning piece to start corresponding servo motor, drive the gear action, let ceramic sheathing can be at the inside radial movement of rotating head, better realization is to the purpose of liquid transport, has improved the efficiency of infusion, reaches the purpose that people preset.
3. The transmission mechanism who adopts for servo motor can drive the sector plate through the gear and remove, can let the connecting plate drive ceramic cover radial movement, reaches fine liquid transport's purpose, can reach the business turn over liquid control of high accuracy, has improved the effect of quantitative filling in the production.
Drawings
Fig. 1 is a schematic structural view of a valveless ceramic plunger metering pump according to the present invention;
fig. 2 is a schematic structural view of an electric control assembly of the valveless ceramic plunger metering pump provided by the present invention;
fig. 3 is a schematic view of a locally enlarged structure of a valveless ceramic plunger metering pump according to the present invention.
In the figure: the device comprises a stepping motor 1, a vertical plate 2, a bottom plate 3, a rotating head 4, a joint bearing sleeve 5, a joint bearing core 6, a ceramic sleeve 7, a liquid inlet nut 8, a liquid outlet nut 9, a fixing pin 10, a sector plate 11, a connecting plate 12, a gear 13, a mounting groove 14, a photoelectric switch 15 and a scanning sheet 16.
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 to 3, a valveless ceramic plunger metering pump comprises a stepping motor 1, a vertical plate 2 is fixed on a front end cover of the stepping motor 1 through bolts, a bottom plate 3 is welded on an outer wall of the bottom of the vertical plate 2, a rotating head 4 is fixedly installed on an output shaft of the stepping motor 1, the model of the stepping motor 1 is 57HS8244a4 series, a through hole is formed in an outer wall on one side of the rotating head 4, a joint bearing sleeve 5 is fixedly inserted in the through hole, a rotatable joint bearing core 6 is inserted in the joint bearing sleeve 5 and can freely move in the joint bearing sleeve 5, so that the inside of the rotating head 4 is communicated with external gas, a ceramic sleeve 7 is inserted in the rotating head 4 in a sliding manner, symmetrically distributed liquid inlet nuts 8 and liquid outlet nuts 9 are respectively arranged on outer walls on two sides of the ceramic sleeve 7, a transmission mechanism positioned below the ceramic sleeve 7 is arranged on an outer wall on the top of the bottom plate 3, the outer wall of the top of the vertical plate 2 is connected with a photoelectric switch 15 through a bolt, the model of the photoelectric switch 15 is TB12J-D15N1, and the rotating head 4 is provided with a scanning sheet 16 matched with the photoelectric switch 15.
Further, drive mechanism includes fixed pin 10 of fixed mounting on 3 top one sides outer walls of bottom plate, and the outside of fixed pin 10 is rotated and has been cup jointed sector plate 11, there is synchronous motion's connecting plate 12 through bolted connection on the outer wall at sector plate 11 top, be provided with the tooth on one side outer wall of sector plate 11, and the part that is located the tooth of sector plate 11 is provided with the gear 13 that runs through to bottom plate 3 below, be connected with servo motor on the output shaft of gear 13 below, servo motor's model is 42BYGH34, servo motor can drive sector plate 11 through gear 13 and remove, can let connecting plate 12 drive ceramic cover radial movement, reach the purpose of fine liquid transport.
Further, be 90 degrees between riser 2 and the bottom plate 3, and riser 2 and bottom plate 3 be L type structure, and the people of being convenient for also brings very big facility to the assembly of part, structural design is reasonable simultaneously for the use in people's later stage.
Furthermore, a ceramic shell is fixedly sleeved outside the ceramic sleeve 7, one side of the ceramic shell, which is close to the vertical plate 2, is fixedly connected with the vertical plate 2 through a bolt, and the outer wall of the bottom of the ceramic shell is fixed on the connecting plate 12 through a bolt.
Furthermore, the center of the outer wall of the top of the vertical plate 2 is provided with a mounting groove 14, and the inner wall of the bottom of the mounting groove 14 is provided with two threaded holes for fixing the photoelectric switch 15 through bolts.
Further, the light of the photoelectric switch 15 is vertically arranged from top to bottom, and the scanning sheet 16 is perpendicular to the light of the photoelectric switch 15, so that the relationship sent by the photoelectric switch 15 can be better guaranteed to be intercepted by the scanning sheet 16, and therefore the corresponding power equipment is started, and the purpose preset by people is achieved.
The working principle is as follows: when the device is used, an operator fixes the vertical plate 2 on the output shaft of the sleeved stepping motor 1, and fixes the vertical plate 2 and the front end cover of the stepping motor 1, and then fixes the bottom plate 3 below the vertical plate 2 according to the shape shown in figure 2, when the device is used, the operator utilizes the pipelines to be respectively connected on the liquid inlet nut 8 and the liquid outlet nut 9, so as to realize the liquid infusion at the liquid inlet end and the liquid outlet end, the stepping motor 1 is started to drive the rotating head 4 to rotate, meanwhile, the scanning sheet 16 can rotate along with the rotating head 4, when the photoelectric switch 15 irradiates the scanning sheet 16, the gear 13 can be driven by the external servo motor to move and is meshed with the sector plate 11, the sector plate 11 and the connecting plate 12 are driven to move, so that the ceramic sleeve 7 can horizontally move inside the rotating head 4, the ceramic sleeve 7 can rotate and horizontally move inside the rotating head 4, thereby changing the cavity volume inside the ceramic sleeve 7, the liquid is conveyed from the liquid inlet nut 8 to the liquid outlet nut 9.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A valveless ceramic plunger metering pump comprises a stepping motor (1) and is characterized in that a vertical plate (2) is fixed on a front end cover of the stepping motor (1) through bolts, a bottom plate (3) is welded on the outer wall of the bottom of the vertical plate (2), a rotating head (4) is fixedly installed on an output shaft of the stepping motor (1), a through hole is formed in the outer wall of one side of the rotating head (4), a joint bearing sleeve (5) is fixedly inserted in the through hole, a rotatable joint bearing core (6) is inserted in the joint bearing sleeve (5), a ceramic sleeve (7) is inserted in the inner part of one end of the rotating head (4) in a sliding mode, symmetrically distributed liquid inlet nuts (8) and liquid outlet nuts (9) are respectively arranged on the outer walls of two sides of the ceramic sleeve (7), and a transmission mechanism located below the ceramic sleeve (7) is arranged on the outer wall of the top of the bottom plate (3), the outer wall of the top of the vertical plate (2) is connected with a photoelectric switch (15) through a bolt, and a scanning sheet (16) matched with the photoelectric switch (15) is arranged on the rotating head (4).
2. The valveless ceramic plunger metering pump according to claim 1, wherein the transmission mechanism comprises a fixed pin (10) fixedly mounted on the outer wall of one side of the top of the bottom plate (3), a sector plate (11) is sleeved outside the fixed pin (10) in a rotating mode, a connecting plate (12) which moves synchronously is connected to the outer wall of the top of the sector plate (11) through bolts, teeth are arranged on the outer wall of one side of the sector plate (11), and a gear (13) penetrating to the lower portion of the bottom plate (3) is arranged on the toothed portion of the sector plate (11).
3. The valveless ceramic plunger metering pump according to claim 1, wherein the vertical plate (2) and the bottom plate (3) form an angle of 90 degrees, and the vertical plate (2) and the bottom plate (3) are of an L-shaped structure.
4. The valveless ceramic plunger metering pump according to claim 1, wherein a ceramic shell is fixedly sleeved outside the ceramic sleeve (7), one side of the ceramic shell, which is close to the vertical plate (2), is fixedly connected with the vertical plate (2) through a bolt, and the outer wall of the bottom of the ceramic shell is fixed on the connecting plate (12) through a bolt.
5. The valveless ceramic plunger metering pump according to claim 1, wherein a mounting groove (14) is formed in the center of the outer wall of the top of the vertical plate (2), and two threaded holes for fixing the photoelectric switch (15) through bolts are formed in the inner wall of the bottom of the mounting groove (14).
6. The valveless ceramic plunger metering pump according to claim 1, wherein the light of the photoelectric switch (15) is vertically arranged from top to bottom, and the scanning sheet (16) is perpendicular to the light of the photoelectric switch (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922176301.0U CN211370635U (en) | 2019-12-09 | 2019-12-09 | Valveless ceramic plunger metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922176301.0U CN211370635U (en) | 2019-12-09 | 2019-12-09 | Valveless ceramic plunger metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211370635U true CN211370635U (en) | 2020-08-28 |
Family
ID=72171021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922176301.0U Active CN211370635U (en) | 2019-12-09 | 2019-12-09 | Valveless ceramic plunger metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211370635U (en) |
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2019
- 2019-12-09 CN CN201922176301.0U patent/CN211370635U/en active Active
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