CN202789374U - Injection pump - Google Patents
Injection pump Download PDFInfo
- Publication number
- CN202789374U CN202789374U CN 201220417560 CN201220417560U CN202789374U CN 202789374 U CN202789374 U CN 202789374U CN 201220417560 CN201220417560 CN 201220417560 CN 201220417560 U CN201220417560 U CN 201220417560U CN 202789374 U CN202789374 U CN 202789374U
- Authority
- CN
- China
- Prior art keywords
- injector
- stepper motor
- connecting rod
- screw mandrel
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an injection pump, which comprises a support, a stepper motor, a lead screw, an injector and a control driver, wherein the stepper motor, the lead screw, the injector and the control drive are fixed on the support; one end of the lead screw is connected with one end of the stepper motor; the control driver is utilized to control the steering and the revolving speed of the stepper motor; and the injector and the lead screw are arranged in parallel, a pushing end of the injector is provided with a connecting rod, and two ends of the connecting rod are fixedly connected with the lead screw and the pushing end of the injector, respectively. According to the injection pump, the complicate and wide injection operation task can be finished by the simple external precise control, so that the injection pump can be applicable to the industrial injection with high precision and large capacity.
Description
Technical field
The utility model relates to the important component part of multi-parameter heavy metal online water analysis instrument, belong to and analyze and the survey control technology field, particularly is exactly a kind of syringe pump.
Background technique
General syringe pump is made of stepper motor and driver, screw mandrel and support etc., has the screw mandrel, the nut that move back and forth, therefore is also referred to as the screw mandrel pump.During work, control system is sent control impuls and is made the stepper motor rotation, drive screw mandrel with the rotation motion motion that is in line by stepper motor, by setting the rotational speed of screw rod, with regard to its fltting speed to injector of capable of regulating, popular is exactly that the action of injection of syringe pump is finished by direct current generator.
This syringe pump generally only is applied to medical injection aspect, and just there is certain limitation in the high-precision industry injection larger for capacity requirement.
The model utility content
In order to solve the problem of prior art, the utility model provides a kind of syringe pump, just can finish complexity and injection operation task widely by the accurate control in simple outside, can be used for the jumbo industry injection of highi degree of accuracy.
Described technological scheme is as follows:
A kind of syringe pump, comprise support and be fixed in stepper motor, screw mandrel, injector and control driver on the described support, one end of described screw mandrel is connected with an end of described stepper motor, described control driver is used for controlling turning to and rotating speed of described stepper motor, described injector and described screw mandrel be arranged in parallel, the pusher end of described injector is provided with a connecting rod, and the two ends of described connecting rod are fixedly connected with the pusher end of described screw mandrel and injector respectively.
Further, also be provided with two optoelectronic switches and photoelectric controller on the described support, two described optoelectronic switches are along arranging on the moving direction of described connecting rod, location status for detection of described connecting rod, described photoelectric controller is connected with driver with two described optoelectronic switches respectively, is used for receiving the photosignal of described optoelectronic switch and feeding back to described control driver.
Preferably, described stepper motor is 35 stepper motors.
The beneficial effect that the technological scheme that the utility model provides is brought is:
A, the utility model are by be arrangeding screw mandrel and injector in parallel, and the two is realized driving by a connecting rod and connects, and is convenient to dismounting and realizes the industry injection.
B, the utility model are controlled the process of injection and suction by optoelectronic switch, adopt control driver, photoelectric controller and optoelectronic switch to coordinate injection and the suction of control injector, improve the precision of injector to inject, be fit to the precise injection pump that industrial automation is used.
Description of drawings
In order to be illustrated more clearly in the technological scheme among the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is injecting pump structure constitutional diagram provided by the utility model.
Among the figure:
1, fast-assembling integrated positioning groove; 2, fast-assembling interface board; 3, control driver; 4, optoelectronic switch; 5, photoelectric controller; 6, connecting rod; 7, slideway; 8, injector; 9, screw mandrel; 10, coupling; 11, injector fixing frame; 12,35 stepper motors.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with accompanying drawing the utility model mode of execution is described in further detail.
As shown in Figure 1, the utility model provides a kind of syringe pump, comprise support and be fixed in stepper motor 12 on the support, screw mandrel 9, injector 8, control driver 3, optoelectronic switch 4 and photoelectric controller 5, injector 8 is fixedly connected with support by injector fixing frame 11, one end of screw mandrel 9 is connected by coupling 10 with an end of stepper motor 12, control driver 3 is used for turning to and rotating speed of control step motor 12, injector 8 be arranged in parallel with screw mandrel 9, the pusher end of injector 8 is provided with a connecting rod 6, connecting rod 6 arranges perpendicular to injector 8, the two ends of connecting rod 6 are fixedly connected with the pusher end of screw mandrel 9 and injector 8 respectively, wherein connecting rod 6 is arranged in the slideway 7, in its moving direction two optoelectronic switches 4 are set, connecting rod 6 moves between two optoelectronic switches 4, optoelectronic switch 4 is for detection of the location status of described connecting rod 6, photoelectric controller 5 respectively with two optoelectronic switches 4 be connected driver 3 and be connected, be used for receiving the photosignal of optoelectronic switch 4 and feed back to control driver 3.Wherein stepper motor 12 preferably adopts 35 stepper motors.
Support of the present utility model adopts the fast assembling-disassembling plug in structure, and being pegged graft by fast-assembling integrated positioning groove 1 and fast-assembling interface board forms.
Its specific works process is as described below:
Above-mentioned the utility model embodiment sequence number does not represent embodiment's quality just to description.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. syringe pump, comprise support and be fixed in stepper motor, screw mandrel, injector and control driver on the described support, one end of described screw mandrel is connected with an end of described stepper motor, described control driver is used for controlling turning to and rotating speed of described stepper motor, it is characterized in that, described injector and described screw mandrel be arranged in parallel, and the pusher end of described injector is provided with a connecting rod, and the two ends of described connecting rod are fixedly connected with the pusher end of described screw mandrel and injector respectively.
2. syringe pump according to claim 1 is characterized in that,
Also be provided with two optoelectronic switches and photoelectric controller on the described support, two described optoelectronic switches are along arranging on the moving direction of described connecting rod, location status for detection of described connecting rod, described photoelectric controller is connected with driver with two described optoelectronic switches respectively, is used for receiving the photosignal of described optoelectronic switch and feeding back to described control driver.
3. syringe pump according to claim 1 and 2 is characterized in that,
Described stepper motor is 35 stepper motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220417560 CN202789374U (en) | 2012-08-22 | 2012-08-22 | Injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220417560 CN202789374U (en) | 2012-08-22 | 2012-08-22 | Injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789374U true CN202789374U (en) | 2013-03-13 |
Family
ID=47816648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220417560 Expired - Fee Related CN202789374U (en) | 2012-08-22 | 2012-08-22 | Injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789374U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626086A (en) * | 2018-04-20 | 2018-10-09 | 东南大学 | A kind of industrial injection pump |
| CN111359686A (en) * | 2020-03-19 | 2020-07-03 | 广州大学 | Continuous sample injection system of injection pump and control method thereof |
-
2012
- 2012-08-22 CN CN 201220417560 patent/CN202789374U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626086A (en) * | 2018-04-20 | 2018-10-09 | 东南大学 | A kind of industrial injection pump |
| CN111359686A (en) * | 2020-03-19 | 2020-07-03 | 广州大学 | Continuous sample injection system of injection pump and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140822 |
|
| EXPY | Termination of patent right or utility model |