Double-pump circulating feeding device

Abstract

The utility model belongs to the technical field of feeding devices, and particularly relates to a double-pump circulating feeding device which comprises a confluence device, piston pumps, telescopic liquid conveying pipes, a material storage box, a threaded plug and a laser positioner and further comprises a lead screw motor and a protective shell. The threaded lead screw is connected with the bottom of the side wall of the telescopic liquid conveying pipe, the protective shell is arranged on the top of the inner wall of the material storage box, the laser positioner is arranged on the material storage box, a light-transmitting plate matched with the laser positioner is arranged on the protective shell, and a telescopic scraping plate is arranged on the bottom face of the protective shell. According to the glue circulation device, the length-adjustable telescopic liquid conveying pipe, the lead screw motor and the threaded lead screw are arranged, the lead screw motor and the threaded lead screw are matched with the length-adjustable telescopic liquid conveying pipe, liquid in the storage box can be completely circulated by adjusting the length of the telescopic liquid conveying pipe, and a user can conveniently determine the length of the telescopic liquid conveying pipe during glue circulation by arranging the laser positioner.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of feeding device, concretely relates to a double pump circulation feeding device. BACKGROUND

[0002] The feeding machine is also called a feeding machine, which is a machine that can uniformly, regularly and continuously feed blocky and granular materials from a storage bin to a receiving device in the production process. In order to avoid the filler in the glue from settling at the bottom of the tank when the equipment stops working, affecting the service life and normal operation of the device, a double pump circulation structure is provided on the existing feeding device. This structure ensures that the glue is still in a flowing state when the device is stopped, avoiding filler sedimentation, but the existing circulating feeding device cannot ensure that all the glue stored in the storage tank enters the circulation, affecting the working effect of the double pump circulation mechanism. SUMMARY

[0003] The utility model provides a double pump circulation feeding device to solve the problem in the above background technology.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a double pump circulation feeding device, including a flow combiner, a piston pump, a telescopic infusion tube, a storage tank, a threaded plug and a laser positioner, further comprising a lead screw motor and a protective shell, two said piston pumps and a liquid outlet are arranged on the flow combiner, two said telescopic infusion tubes connected with the flow combiner are arranged on the storage tank through a mounting cylinder, two said lead screw motors are installed on the top surface support of the storage tank, a threaded lead screw penetrating the storage tank and the support of the lead screw motor is installed on the lead screw motor, the threaded lead screw is connected with the bottom of the side wall of the telescopic infusion tube, the protective shell is arranged on the top of the inner wall of the storage tank, the laser positioner is arranged on the top through groove of the storage tank, the protective shell is provided with a light transmission plate matched with the laser positioner, and the bottom surface of the protective shell is provided with a telescopic scraper.

[0005] Preferably, the bottom surface of the protective shell is provided with a groove matched with the telescopic scraper, the side wall of the telescopic end of the telescopic scraper is provided with a groove, and the side wall of the bottom surface groove of the protective shell is provided with a protrusion matched with the side wall groove of the telescopic end of the telescopic scraper.

[0006] Preferably, the telescopic end of the telescopic scraper is provided with a heating plate two.

[0007] Preferably, the bottom surface of the light transmission plate is provided with a protective layer.

[0008] Preferably, the through groove mounting the laser positioner is provided with the threaded plug through threaded mounting.

[0009] The top surface of each telescopic end of the telescopic infusion pipe and the bottom of the groove where the threaded screw rod is installed on the storage tank are provided with a through conical protrusion.

[0010] Preferably, a heat insulation plate is installed on the top surface of the flow combiner by screws, and the flow combiner is provided with a heating plate I at a position below the heat insulation plate.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses a telescopic infusion pipe with adjustable length, a lead screw motor and a threaded screw rod matched with the telescopic infusion pipe, when the glue is circulated, the length of the telescopic infusion pipe is adjusted to circulate the liquid in the storage tank, the working effect of the double-pump circulation mechanism is ensured, the laser positioner is arranged to determine the length of the telescopic infusion pipe when the glue is circulated, the protective shell and the telescopic scraper are arranged to avoid the influence on the working effect of the laser positioner, and the second heating plate is arranged to further improve the working effect of the telescopic scraper. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural schematic view of the storage tank in the utility model;

[0015] Figure 3 It is Figure 2 It is a structural schematic view of the position A in the utility model;

[0016] Figure 4 It is a sectional structural schematic view of the position where the laser positioner is arranged on the storage tank in the utility model;

[0017] Figure 5 It is Figure 4 It is a structural schematic view of the position B in the utility model;

[0018] Figure 6 It is a structural schematic view of the protective shell in the utility model.

[0019] In the drawing: 1, flow combiner 11, heat insulation plate 12, heating plate I 13, liquid discharge port 2, piston pump 3, telescopic infusion pipe 4, storage tank 41, mounting cylinder 5, lead screw motor 51, threaded screw rod 6, threaded plug 7, protective shell 71, telescopic scraper 72, second heating plate 8, laser positioner 81, light transmission plate 82, protective layer. DETAILED DESCRIPTION

[0020] Please refer to Figures 1-6The utility model provides following technical scheme: a kind of double pump circulation feed device, including combiner 1, piston pump 2, telescopic infusion pipe 3, storage tank 4, threaded plug 6 and laser positioner 8, still including screw rod motor 5 and protective shell 7, combiner 1 is equipped with two piston pumps 2 and drain port 13, two telescopic infusion pipes 3 connected with combiner 1 are equipped on storage tank 4 by installation cylinder 41, two screw rod motors 5 are installed on the top surface support of storage tank 4, threaded screw rod 51 that passes through storage tank 4 and the support of installation screw rod motor 5 is installed on screw rod motor 5, threaded screw rod 51 is connected with the bottom of the lateral wall of telescopic infusion pipe 3, protective shell 7 is equipped on the top of the inner wall of storage tank 4, laser positioner 8 is set on the top through groove of storage tank 4, protective shell 7 is equipped with light transmission plate 81 cooperated with laser positioner 8, protective shell 7 is equipped with telescopic scraper plate 71 on the bottom surface.

[0021] The storage tank 4 is used to store the liquid to be used, the telescopic liquid conveying pipe 3 is used to flow the liquid between the flow combiner 1 and the telescopic liquid conveying pipe 3, the piston pump 2 is used to control the liquid stored in the storage tank 4 to flow, the liquid outlet 13 is used to send the liquid sucked into the flow combiner 1 by the piston pump 2 out of the flow combiner 1, one piston pump 2 corresponds to one telescopic liquid conveying pipe 3, the strokes of the piston pumps 2 are opposite, when the device is used, one piston pump 2 sucks the liquid stored in the storage tank 4 into the flow combiner 1 through the telescopic liquid conveying pipe 3, while the other piston pump 2 sends the liquid in the flow combiner 1 out of the flow combiner 1 through the liquid outlet 13, this liquid conveying mode ensures that the device can continuously convey the liquid, when the device stops sending the liquid out through the liquid outlet 13, the movement mode of the two piston pumps 2 is changed, the liquid in the storage tank 4 is sucked into the flow combiner 1 through a set of matched piston pumps 2 and telescopic liquid conveying pipes 3, and the liquid in the flow combiner 1 is sent back into the storage tank 4 through another set of matched piston pumps 2 and telescopic liquid conveying pipes 3, so that the liquid in the flow combiner 1, the telescopic liquid conveying pipe 3 and the storage tank 4 circulates, the flowing liquid can move together with the filler in the liquid, the flowing liquid can avoid the filler in the liquid from depositing at the bottom of the storage tank 4 when the device stops, and the circulating liquid ensures that the quality of the liquid sent out by the device will not decrease when the stopped device starts again, so that the staff is relieved from the task of stirring the liquid in the storage tank 4 after the device starts again to ensure the quality of the liquid sent out by the device, the part of the telescopic liquid conveying pipe 3 located in the storage tank 4 is of telescopic structure, the threaded screw rod 51 is connected with the side wall of the bottom of the storage tank 4, the threaded screw rod 51 is installed on the lead screw motor 5, when the lead screw motor 5 starts, the threaded screw rod 51 is moved upwards under the action of the lead screw motor 5, the position where the threaded section of the threaded screw rod 51 is arranged is located outside the storage tank 4, so as to avoid the threaded section of the threaded screw rod 51 from being contaminated by the liquid and to prevent the movement of the threaded screw rod 51 from being hindered, the moving threaded screw rod 51 adjusts the length of the part of the telescopic liquid conveying pipe 3 located in the storage tank 4, the height of the bracket where the lead screw motor 5 is installed ensures the adjustment effect of the threaded screw rod 51 on the position of the liquid inlet of the telescopic liquid conveying pipe 3, the length of one telescopic liquid conveying pipe 3 is adjusted after the device stops, at this time, the bottom openings of the two telescopic liquid conveying pipes 3 are located at the bottom of the liquid in the storage tank 4 and the position close to the liquid surface in the storage tank 4 respectively, the positions of the two telescopic liquid conveying pipes 3 ensure that the liquid in the storage tank 4 can all participate in the circulation of the liquid, so as to ensure the circulation effect of the device on the liquid, the top surface through groove of the storage tank 4 is used to install the laser positioner 8, the laser positioner 8 is used to detect the position where the liquid surface of the liquid in the storage tank 4 is located, the light transmission plate 81 is used to allow the laser positioner 8 to detect the position where the top surface of the liquid is located, the protective shell 7 is used to protect the laser positioner 8 and the light transmission plate 81, and the telescopic scraper 71 is used to clean the surface of the light transmission plate 81.The working effect of the laser positioner 8 is guaranteed, and the telescopic scraper 71 can seal the top through slot of the storage tank 4, reducing the influence of the light transmission plate 81 during the liquid conveying process of the device, guaranteeing the working effect of the laser positioner 8, and the end face shape of the telescopic end of the telescopic scraper 71 is a slope, which guarantees the cleaning effect of the telescopic scraper 71 on the light transmission plate 81, and the position of the feed inlet of the storage tank 4 is located away from the laser positioner 8, reducing the influence of the light transmission plate 81 when the user adds liquid to the inside of the storage tank 4.

[0022] Specifically, the bottom surface of the protective shell 7 is provided with a groove matched with the telescopic scraper 71, and the side wall of the telescopic end of the telescopic scraper 71 is provided with a groove, and the side wall of the bottom surface groove of the protective shell 7 is provided with a protrusion matched with the side wall groove of the telescopic end of the telescopic scraper 71.

[0023] The cooperation between the bottom surface groove of the protective shell 7 and the telescopic end of the telescopic scraper 71 guarantees the shielding effect of the telescopic scraper 71 on the light transmission plate 81, and the cooperation between the side wall groove of the telescopic end of the telescopic scraper 71 and the matched protrusion guarantees the stability of the telescopic end of the telescopic scraper 71 during the use of the device, and guarantees the working effect of the telescopic scraper 71.

[0024] Specifically, the telescopic end of the telescopic scraper 71 is provided with a heating plate two 72.

[0025] The heating plate two 72 can heat the telescopic end of the telescopic scraper 71, and the heated telescopic scraper 71 guarantees the cleaning effect of the telescopic scraper 71 on the light transmission plate 81, thereby guaranteeing the detection effect of the laser positioner 8 on the liquid level in the storage tank 4.

[0026] Specifically, the bottom surface of the light transmission plate 81 is provided with a protective layer 82.

[0027] The protective layer 82 plays a role in protecting the light transmission plate 81, and when the telescopic scraper 71 cleans the light transmission plate 81, the protective layer 82 reduces the damage to the light transmission plate 81 when the telescopic scraper 71 scrapes the attachments on the light transmission plate 81, prolonging the service life of the light transmission plate 81.

[0028] Specifically, a threaded plug 6 is screwed on the through slot where the laser positioner 8 is installed.

[0029] The threaded plug 6 plays a role of sealing the through groove for installing the laser positioner 8, and can avoid the dust outside from entering the inside of the groove for installing the laser positioner 8 during the use of the laser positioner 8 and the replacement and maintenance of the laser positioner 8 by the user, reduces the influence on the laser positioner 8 during the working process, guarantees the working effect of the laser positioner 8, and the side wall of the groove for installing the threaded plug 6 is provided with a sealing gasket, guaranteeing the working effect of the threaded plug 6.

[0030] Specifically, the top surface of each telescopic end of the telescopic infusion pipe 3 and the bottom of the groove for installing the threaded screw rod 51 of the storage tank 4 are provided with a penetrated round table-shaped protrusion.

[0031] The round table protrusion provided on the telescopic infusion pipe 3 and the groove for installing the threaded screw rod 51 can clean the liquid adhered to the side wall of each telescopic section of the telescopic infusion pipe 3 and the threaded screw rod 51 penetrating the round table protrusion, avoid the liquid from entering the inside of the telescopic infusion pipe 3 during the telescopic process of the telescopic infusion pipe 3 and being taken away from the storage tank 4 by the threaded screw rod 51, the inclined side wall of the round table protrusion guarantees the cleaning effect of the round table protrusion on the threaded screw rod 51 and each telescopic section of the telescopic infusion pipe 3, the small end diameter of the round table protrusion is same as the diameter of the telescopic infusion pipe 3 and the threaded screw rod 51 penetrating the round table protrusion, guaranteeing the working effect of the round table protrusion.

[0032] Specifically, the top surface of the flow combiner 1 is provided with a heat insulation plate 11 through a screw, and the flow combiner 1 is provided with a heating plate one 12 below the heat insulation plate 11.

[0033] The heating plate one 12 can heat the liquid inside the flow combiner 1, and the heated liquid improves the flowability of the liquid, guarantees the conveying effect of the device on the liquid, the heat insulation plate 11 has good heat insulation effect, avoids the heat generated by the heating plate one 12 during the working process from being transferred to the outside, prevents the user from being hurt, and guarantees the safety of the device.

[0034] The working principle and use process of the utility model are as follows: two piston pumps 2 are started, two groups of matched piston pumps 2 and telescopic infusion pipes 3 discharge liquid through liquid discharge ports 13 to the combiner 1, after the device is stopped, the telescopic scraper 71 is controlled to contract, the shielding of the telescopic scraper 71 to the light transmission plate 81 is cancelled, the liquid level position in the storage tank 4 is detected through the laser positioner 8, the lead screw motor 5 is started, the position of the threaded lead screw 51 is adjusted by the lead screw motor 5, with the movement of the threaded lead screw 51, the part of one telescopic infusion pipe 3 in the storage tank 4 contracts, the bottom opening of the telescopic infusion pipe 3 moves to the position close to the liquid level, the lead screw motor 5 is closed, the heating plate two 72 is started, the telescopic scraper 71 is controlled to elongate, the elongated telescopic scraper 71 cleans the light transmission plate 81, the laser positioner 8 is shielded through the telescopic scraper 71, the heating plate two 72 is closed, liquid is sucked into the combiner 1 through one group of matched piston pumps 2 and telescopic infusion pipes 3, the liquid in the combiner 1 is sent back to the storage tank 4 through another group of matched piston pumps 2 and telescopic infusion pipes 3, and the quality of the liquid in the storage tank 4 is ensured.

[0035] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A dual pump circulation feeding device comprising a flow combiner (1), a piston pump (2), an extendable infusion tube (3), a storage tank (4), a threaded plug (6) and a laser positioner (8), characterized in that: Also include the screw rod motor (5) and protective shell (7), the said merger (1) is equipped with two said piston pump (2) and liquid outlet (13), the said storage tank (4) is equipped with two said telescopic infusion tube (3) through the installation cylinder (41) and is connected with the said merger (1), the top surface support of the said storage tank (4) is installed with two said screw rod motor (5), the said screw rod motor (5) is installed with the threaded screw rod (51) that penetrates the said storage tank (4) and the support of installing the said screw rod motor (5), the threaded screw rod (51) is connected with the bottom of the side wall of the said telescopic infusion tube (3), the top of the inner wall of the said storage tank (4) is equipped with the said protective shell (7), the said laser positioner (8) is arranged on the top through groove of the said storage tank (4), the said protective shell (7) is equipped with the light transmission plate (81) that cooperates with the said laser positioner (8), the bottom surface of the said protective shell (7) is equipped with the telescopic scraper (71).

2. A dual pump circulation feed apparatus according to claim 1, wherein: The bottom surface of the said protective shell (7) is equipped with the groove that cooperates with the said telescopic scraper (71), the side wall of the telescopic end of the said telescopic scraper (71) is equipped with the groove, the side wall of the bottom groove of the said protective shell (7) is equipped with the protrusion that cooperates with the side wall groove of the telescopic end of the said telescopic scraper (71).

3. A dual pump circulation feed apparatus according to claim 1, wherein: The inside of the telescopic end of the said telescopic scraper (71) is equipped with the heating plate two (72).

4. A dual pump circulation feed apparatus according to claim 1, wherein: The bottom surface of the said light transmission plate (81) is equipped with the protective layer (82).

5. A dual pump circulation feed apparatus according to claim 1, wherein: The through groove that installs the said laser positioner (8) is equipped with the threaded plug (6) through the thread.

6. A dual pump circulation feed apparatus according to claim 1, wherein: The top surface of each telescopic end of the said telescopic infusion tube (3) and the bottom of the groove of the said storage tank (4) that installs the threaded screw rod (51) are equipped with the penetrated round table protrusion.

7. A dual pump circulation feed apparatus according to claim 1, wherein: The top surface of the said merger (1) is equipped with the heat insulation plate (11) through the screw, the said merger (1) is equipped with the heating plate one (12) in the position below the said heat insulation plate (11).

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