Double-helix automatic quantitative conveying device for emulsion explosive matrix production

Abstract

The utility model provides a double-helix automatic quantitative conveying device for emulsion explosive matrix production, which comprises a machine box, a double-helix feeder, a quantitative mechanism and a support frame, the double-helix feeder is arranged in the machine box, the quantitative mechanism is arranged at the bottom end of the machine box, the support frame is fixedly connected to the bottom end of the machine box, and the double-helix feeder is arranged in the machine box. One end of a discharge port of the double-spiral feeder is fixedly connected with a material guide pipe, the quantifying mechanism comprises a material guide box fixedly connected with the bottom end of the material guide pipe, and a flow guide cavity is formed in the material guide box. Emulsion explosive matrixes are conveyed to the quantitative guide nozzles embedded in the adjusting disc through the flow guide cavity formed in the material guide box, quantitative conveying is conducted through the quantitative guide nozzles 11, the production and processing requirements of emulsion explosives are met, and the multiple quantitative guide nozzles with different calibers can meet the different quantitative output requirements of the emulsion explosive matrixes.

Description

Technical Field

[0001] The utility model relates to the technical field of emulsion explosive matrix production equipment, in particular to a double-screw automatic quantitative conveying device for emulsion explosive matrix production. Background Art

[0002] Emulsion explosives are a kind of water-in-oil type emulsion explosives formed by uniformly dispersing droplets of aqueous solution of oxidant salts in an oil phase continuous medium containing porous materials such as dispersed bubbles or hollow glass microspheres with the help of emulsifiers. The emulsion explosive matrix is ​​a mixture of oxidants, combustible agents, emulsifiers, sensitizers, foaming agents (or density control agents), stabilizers and other chemical agents. The emulsion explosive matrix is ​​generally mixed and transported by a double-screw feeding device for subsequent discharge and filling.

[0003] In summary, it is difficult to effectively and quantitatively transport the emulsion explosive matrix transported by the double-screw feeding device according to actual needs, which affects the production efficiency of the emulsion explosive matrix. Moreover, during the transportation of the emulsion explosive matrix, the emulsion explosive matrix will reduce the mixing effect due to the low temperature of the feeding chamber of the double-screw feeding device. Therefore, we propose a double-screw automatic quantitative conveying device for the production of emulsion explosive matrix to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the deficiencies in the prior art and to provide a double-screw automatic quantitative conveying device for the production of emulsion explosive matrix. The emulsion explosive matrix is ​​conveyed to the quantitative guide nozzle embedded in the regulating disk through the guide cavity opened in the guide box, and the quantitative guide nozzle performs quantitative conveying to meet the production and processing requirements of the emulsion explosive. A plurality of quantitative guide nozzles with different calibers can meet the different quantitative output requirements of the emulsion explosive matrix, and solves the problem that it is difficult to effectively perform quantitative conveying according to actual needs during the processing and production of the emulsion explosive matrix through the double-screw feeding device, thereby affecting the production efficiency of the emulsion explosive matrix.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-screw automatic quantitative conveying device for emulsion explosive matrix production, comprising a machine box, a double-screw feeder, a quantitative mechanism and a support frame, wherein the double-screw feeder is arranged inside the machine box, the quantitative mechanism is arranged at the bottom of the machine box, the support frame is fixedly connected to the bottom of the machine box, one end of the double-screw feeder discharge port is fixedly connected to a material guide pipe, the quantitative mechanism comprises a material guide box fixedly connected to the bottom end of the material guide pipe, a guide cavity is opened inside the material guide box, a sealing conduit is fixedly connected to the bottom end of the material guide box, a positioning rod is fixedly connected to the bottom end of the material guide box, an adjusting disk is mounted on the surface of the positioning rod, a plurality of quantitative guide nozzles are inlaid inside the adjusting disk, one end of the sealing conduit is located inside the quantitative guide nozzle, a limiting mechanism is arranged on the surface of the sealing conduit, and the limiting mechanism is used to position the adjusting disk.

[0006] Preferably, the limiting mechanism includes a positioning plate fixedly connected to the bottom end of the sealing conduit, a compression spring fixedly connected to the top of the positioning plate, the compression spring is buckled on the surface of the sealing conduit, and a limiting gasket is fixedly connected between the compression spring and the bottom end of the adjusting disk.

[0007] Preferably, a top cover is fixedly mounted on the top surface of the machine box, a feed hopper is fixedly connected to the top of the top cover, and the feed hopper is communicated with a feed port of the double screw feeder.

[0008] Preferably, a driver is fixedly connected to one end of the machine box, and a driving shaft of the driver and a transmission shaft of the double-screw feeder are meshed with each other via gears.

[0009] Preferably, an infrared heater is provided inside the machine box, and an infrared heating sheet of the infrared heater is wrapped around the surface of the double-screw feeder.

[0010] Preferably, a control panel is fixedly connected to the surface of the machine box, and the control panel is respectively connected to the driver and the infrared heater via a control harness.

[0011] Preferably, a plurality of positioning protrusions are fixedly mounted on the top surface of the adjusting disk, a plurality of positioning grooves are opened on the surface of the material guide box, and the plurality of positioning protrusions match the plurality of positioning grooves.

[0012] Preferably, a lifting ring sleeve is fixedly connected to the surface of the adjusting disk, and a pull rod is fixedly connected to the top surface of the lifting ring sleeve.

[0013] Preferably, the diversion cavity is tapered, and the bottom end of the diversion cavity is communicated with the inside of the sealing conduit.

[0014] Preferably, the plurality of quantitative guide nozzles are symmetrically arranged in a circular ring shape, and the plurality of quantitative guide nozzles have different discharge diameters.

[0015] The beneficial effects of the utility model are:

[0016] (1) The utility model can fully stir and convey the raw materials of the emulsion explosive matrix by means of the double-screw feeder, and convey the emulsion explosive matrix to the quantitative guide nozzle embedded in the regulating disk through the guide cavity provided in the guide box, and quantitatively convey the raw materials by the quantitative guide nozzle to meet the production and processing requirements of the emulsion explosive. A plurality of quantitative guide nozzles of different calibers can meet the different quantitative output requirements of the emulsion explosive matrix.

[0017] (2) The utility model can limit the adjusting disk by means of a compression spring arranged between the limiting washer and the adjusting disk, so that the adjusting disk is close to the material guide box, thereby allowing the quantitative guide nozzle and the sealing conduit to dock with each other, thereby completing the quantitative output of the emulsion explosive matrix. The positioning protrusions and positioning grooves that match each other make it convenient to quickly position the adjusting disk by using the positioning protrusions and positioning grooves after rotating the adjusting disk.

[0018] (3) The utility model can heat the spiral mixing and conveying section of the double-screw feeder by means of the infrared heater, thereby improving the mixing effect of the emulsion explosive matrix and avoiding the cooling of the emulsion explosive matrix, making it difficult to convey and affecting the quality of the emulsion explosive matrix.

[0019] In summary, the utility model has the advantages of avoiding the situation in which the internal temperature of the double screw feeder is too low and affects the mixing of raw materials during the conveying and stirring of the emulsion explosive matrix, and can perform quantitative discharge according to demand, thereby improving the production efficiency of the emulsion explosive matrix. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0021] Figure 2 This is a top view of the three-dimensional structure of the box of the utility model;

[0022] Figure 3 It is a side view schematic diagram of the overall structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the quantitative mechanism structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the quantitative mechanism of the utility model.

[0025] In the figure: 1. machine box; 2. double screw feeder; 3. quantitative mechanism; 4. support frame; 5. material guide pipe; 6. material guide box; 7. positioning rod; 8. adjustment disk; 9. guide chamber; 10. sealing conduit; 11. quantitative guide nozzle; 12. positioning groove; 13. positioning protrusion; 14. limiting washer; 15. limiting mechanism; 16. compression spring; 17. positioning sheet; 18. pull rod; 19. top cover; 20. infrared heater; 21. feed hopper; 22. control panel; 23. drive; 24. lifting ring sleeve. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0029] Embodiment 1

[0030] like Figure 1-Figure 5As shown, this embodiment provides a double-screw automatic quantitative conveying device for emulsion explosive matrix production, including a machine box 1, a double-screw feeder 2, a quantitative mechanism 3 and a support frame 4, the double-screw feeder 2 is arranged inside the machine box 1, the quantitative mechanism 3 is arranged at the bottom of the machine box 1, the support frame 4 is fixedly connected to the bottom of the machine box 1, one end of the double-screw feeder 2 is fixedly connected to a material guide pipe 5, the quantitative mechanism 3 includes a material guide box 6 fixedly connected to the bottom of the material guide pipe 5, a guide cavity 9 is opened inside the material guide box 6, a sealing conduit 10 is fixedly connected to the bottom of the material guide box 6, a positioning rod 7 is fixedly connected to the bottom of the material guide box 6, and an adjusting screw is installed on the surface of the positioning rod 7. The regulating disk 8 is provided with a plurality of quantitative guide nozzles 11 embedded inside the regulating disk 8, one end of the sealing conduit 10 is located inside the quantitative guide nozzle 11, a limiting mechanism 15 is provided on the surface of the sealing conduit 10, and the limiting mechanism 15 is used to position the regulating disk 8. The double-screw feeder 2 is provided to fully stir and convey the emulsion explosive matrix raw material, and the emulsion explosive matrix is ​​conveyed to the quantitative guide nozzle 11 embedded inside the regulating disk 8 through the guide cavity 9 provided in the guide box 6. The quantitative guide nozzle 11 performs quantitative conveying to meet the production and processing requirements of the emulsion explosive. A plurality of quantitative guide nozzles 11 with different calibers can meet the different quantitative output requirements of the emulsion explosive matrix.

[0031] like Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, the limiting mechanism 15 includes a positioning piece 17 fixedly connected to the bottom end of the sealing conduit 10, and a compression spring 16 is fixedly connected to the top of the positioning piece 17. The compression spring 16 is buckled on the surface of the sealing conduit 10, and a limiting washer 14 is fixedly connected between the compression spring 16 and the bottom end of the adjusting disk 8. The adjusting disk 8 can be limited by the compression spring 16 arranged between the limiting washer 14 and the adjusting disk 8, so that the adjusting disk 8 is close to the material guide box 6, so that the quantitative guide nozzle 11 and the sealing conduit 10 are connected to each other, and the quantitative output of the emulsion explosive matrix is ​​completed.

[0032] like Figure 2 As shown, an infrared heater 20 is arranged inside the machine box 1, and the infrared heating plate of the infrared heater 20 is wrapped around the surface of the double screw feeder 2. The infrared heater 20 can be used to heat the spiral mixing and conveying section of the double screw feeder 2, thereby improving the mixing effect of the emulsion explosive matrix, and also avoiding the cooling of the emulsion explosive matrix, making it difficult to convey, and affecting the quality of the emulsion explosive matrix.

[0033] like Figure 3-Figure 5As shown, a plurality of positioning protrusions 13 are fixedly installed on the top surface of the adjusting disk 8, and a plurality of positioning grooves 12 are opened on the surface of the material guide box 6. The plurality of positioning protrusions 13 match the plurality of positioning grooves 12. Through the matching positioning protrusions 13 and positioning grooves 12, it is convenient to quickly position the adjusting disk 9 by using the positioning protrusions 13 and positioning grooves 12 after rotating the adjusting disk 8.

[0034] like Figure 4 As shown, a lifting ring sleeve 24 is fixedly connected to the surface of the adjusting disk 8, and a pull rod 18 is fixedly connected to the top surface of the lifting ring sleeve 24. The pull rod 18 fixedly connected to the top surface of the lifting ring sleeve 24 on the surface of the adjusting disk 8 facilitates pushing and pulling the adjusting disk 8, and rotates the adjusting disk 8, thereby meeting the docking requirements of quantitative guide nozzles 11 of different calibers and the sealed conduit 10.

[0035] Working steps

[0036] Step 1. Turn on the driver 23 through the control panel 22 to drive the double screw feeder 2 to run, turn on the infrared heater 20 set inside the machine box 1, preheat the spiral feeding cavity of the double screw feeder 2, pour the raw materials into the feed hopper 21, and the raw materials are mixed through the double screw feeder 2 and then discharged into the pouring box 6 through the guide pipe 5. The raw materials are quantitatively discharged from the quantitative guide nozzle 11 through the guide cavity 9 in the pouring box 6.

[0037] Step 2: Pull down the adjusting disk 8 to separate the adjusting disk 8 from the pouring box 6. According to the quantitative discharge requirements, rotate the adjusting disk 8 to make the quantitative guide nozzle 11 embedded in the adjusting disk 8 engage with the sealing conduit 10 at the bottom end of the pouring box 6. Then use the limiting mechanism 15 to make the adjusting disk 8 fit with the pouring box 6 again, thereby completing the adjustment operation of the quantitative discharge of the emulsion explosive matrix.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-screw automatic quantitative conveying device for emulsion explosive matrix production, comprising a machine box (1), a double-screw feeder (2), a quantitative mechanism (3) and a support frame (4), wherein the double-screw feeder (2) is arranged inside the machine box (1), the quantitative mechanism (3) is arranged at the bottom end of the machine box (1), and the support frame (4) is fixedly connected to the bottom end of the machine box (1), characterized in that: One end of the discharge port of the double-screw feeder (2) is fixedly connected to a material guide pipe (5); The quantitative mechanism (3) comprises a material guide box (6) fixedly connected to the bottom end of the material guide tube (5), a flow guide cavity (9) is provided inside the material guide box (6), a sealing conduit (10) is fixedly connected to the bottom end of the material guide box (6), a positioning rod (7) is fixedly connected to the bottom end of the material guide box (6), an adjustment disk (8) is buckled and mounted on the surface of the positioning rod (7), a plurality of quantitative guide nozzles (11) are embedded inside the adjustment disk (8), one end of the sealing conduit (10) is located inside the quantitative guide nozzle (11), and a limiting mechanism (15) is provided on the surface of the sealing conduit (10), and the limiting mechanism (15) is used to position the adjustment disk (8).

2. A double-screw automatic quantitative conveying device for emulsion explosive matrix production according to claim 1, characterized in that: The limiting mechanism (15) comprises a positioning plate (17) fixedly connected to the bottom end of the sealing conduit (10), a compression spring (16) fixedly connected to the top end of the positioning plate (17), the compression spring (16) being buckled on the surface of the sealing conduit (10), and a limiting washer (14) fixedly connected between the compression spring (16) and the bottom end of the adjustment disk (8).

3. A double-screw automatic quantitative conveying device for emulsion explosive matrix production according to claim 1, characterized in that: A top cover (19) is fixedly mounted on the top surface of the machine box (1), a feed hopper (21) is fixedly connected to the top of the top cover (19), and the feed hopper (21) is communicated with a feed port of the double screw feeder (2).

4. A double-screw automatic quantitative conveying device for emulsion explosive matrix production according to claim 1, characterized in that: One end of the machine box (1) is fixedly connected to a driver (23), and a drive shaft of the driver (23) and a transmission shaft of the double screw feeder (2) are meshed with each other via gears.

5. A double-screw automatic quantitative conveying device for emulsion explosive matrix production according to claim 1, characterized in that: An infrared heater (20) is arranged inside the machine box (1), and an infrared heating sheet of the infrared heater (20) is wrapped around the surface of the double-screw feeder (2).

6. A double-screw automatic quantitative conveying device for emulsion explosive matrix production according to claim 4 or 5, characterized in that: A control panel (22) is fixedly connected to the surface of the machine box (1), and the control panel (22) is respectively connected to the driver (23) and the infrared heater (20) via a control harness.

7. A double-screw automatic quantitative conveying device for emulsion explosive matrix production according to claim 1, characterized in that: A plurality of positioning protrusions (13) are fixedly mounted on the top surface of the adjustment disk (8), a plurality of positioning grooves (12) are formed on the surface of the material guide box (6), and the plurality of positioning protrusions (13) and the plurality of positioning grooves (12) match each other.

8. A double-screw automatic quantitative conveying device for emulsion explosive matrix production according to claim 1, characterized in that: A lifting ring sleeve (24) is fixedly connected to the surface of the adjustment disk (8), and a pull rod (18) is fixedly connected to the top surface of the lifting ring sleeve (24).

9. A double-screw automatic quantitative conveying device for emulsion explosive matrix production according to claim 1, characterized in that: The guide cavity (9) is in a conical shape, and the bottom end of the guide cavity (9) is in communication with the interior of the sealing conduit (10).

10. A double-screw automatic quantitative conveying device for emulsion explosive matrix production according to claim 1, characterized in that: The plurality of quantitative guide nozzles (11) are symmetrically arranged in a circular ring shape, and the plurality of quantitative guide nozzles (11) have different discharge diameters.

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