Discharging device

Abstract

The invention discloses a discharging device. The discharging device comprises a bottom plate; the blanking bracket is fixed on the bottom plate; the discharging assembly is installed on the discharging support and comprises a discharging barrel body, a storage cavity is formed in the discharging barrel body, a discharging head is installed at the lower end of the discharging barrel body, a discharging groove is formed in the discharging head and comprises a discharging inlet and a discharging outlet, the discharging inlet is communicated with the storage cavity, a discharging disc is rotationally connected into the discharging groove, and the discharging inlet is communicated with the storage cavity. A plurality of discharging protrusions evenly distributed around the circumference of the discharging disc are arranged on the outer wall of the discharging disc, an arc-shaped groove is formed in the inner wall of the discharging groove, and part of the discharging protrusions abut against the inner wall of the arc-shaped groove. And the discharging driving device is used for driving the discharging disc to rotate. Raw materials needing to be discharged are stored in the material storage cavity, the discharging driving device drives the discharging disc to rotate, the discharging protrusions can drive the raw materials to the discharging outlet, the raw materials fall into the test tubes from the discharging outlet, and the discharging efficiency is high.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of detection, and particularly relates to a blanking device. BACKGROUND

[0002] More and more pesticides are used in the process of planting fruits and vegetables, and the detection of pesticide residues in fruits and vegetables is more and more important. In the process of detecting pesticide residues in fruits and vegetables, anhydrous magnesium sulfate and sodium chloride are usually added.

[0003] A method for rapidly detecting pesticide residues by low-pressure gas chromatography-tandem mass spectrometry is disclosed in a patent with the publication number CN117804530B. In the detection process, 4g of anhydrous magnesium sulfate and 1g of sodium chloride need to be added in the test tube, but now they need to be added manually after being weighed by hand, which is low in efficiency. SUMMARY

[0004] The purpose of the application is to provide a blanking device that can increase the blanking efficiency.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a blanking device, comprising: a bottom plate; a blanking support fixed on the bottom plate; a blanking assembly installed on the blanking support, the blanking assembly comprising a blanking barrel, the blanking barrel being provided with a storage cavity, a blanking head being installed at the lower end of the blanking barrel, the blanking head being provided with a blanking groove, the blanking groove comprising a blanking inlet and a blanking outlet, the blanking inlet being in communication with the storage cavity, a blanking disc being rotatably connected in the blanking groove, a plurality of blanking protrusions being uniformly distributed on the outer wall of the blanking disc, the inner wall of the blanking groove being provided with an arc-shaped groove, and part of the blanking protrusions being in abutment with the inner wall of the arc-shaped groove; a blanking driving device for driving the rotation of the blanking disc.

[0006] Further, the blanking protrusions are provided as brushes.

[0007] Further, the blanking disc is rotatably connected with the blanking groove through a blanking rotating shaft, a blanking driven gear being fixed at one end of the blanking rotating shaft extending out of the blanking head, the blanking driving device comprising a blanking driving motor and a blanking driving gear, the blanking driving motor being fixed on the blanking support, the blanking driving gear being fixed on the rotating shaft of the blanking driving motor, and the blanking driving gear being in mesh with the blanking driven gear.

[0008] Furthermore, a stirring base is fixed to the upper end of the discharge barrel body, a stirring shaft is rotatably connected to the stirring base, a stirring member is installed on the part of the stirring shaft located in the material storage cavity, a stirring driven gear is fixed to one end of the stirring shaft extending out of the stirring base, a stirring drive motor is fixed to the discharge bracket, a stirring drive gear is fixed to the rotating shaft of the stirring drive motor, and the stirring drive gear is meshed with the stirring driven gear.

[0009] Furthermore, two material discharge supports are fixed to the lower end of the material discharge barrel body, and a material discharge limit pin is fixed on each of the material discharge supports. The material discharge head is provided with a material discharge limit groove for inserting the material discharge limit pin.

[0010] Furthermore, the blanking bracket is provided with a blanking bracket flat plate, the blanking bracket flat plate is provided with a blanking groove, two blanking fixing blocks are fixed on the blanking bracket flat plate, the two blanking fixing blocks are located on both sides of the blanking groove, the blanking fixing block is provided with a blanking slot, and the stirring substrate is fixed with a plug-in protrusion that is plugged into the blanking slot.

[0011] Furthermore, it also includes a clamping rotation device, and a blanking clamping rod is rotatably connected to the blanking bracket. The blanking clamping rod includes a clamping state and an unlocking state. In the clamping state, the blanking clamping rod is located on the side of the blanking barrel body facing away from the blanking groove. In the unlocking state, the blanking clamping rod rotates away from the blanking barrel body, and the clamping rotation device drives the blanking clamping rod to rotate.

[0012] Furthermore, the pressing rotation device is configured as a pressing cylinder, the shell of the pressing cylinder is rotatably connected to the blanking bracket, and the piston rod of the pressing cylinder is rotatably connected to the blanking pressing rod.

[0013] Furthermore, the blanking limit pin is configured as an indexing pin.

[0014] Furthermore, a conical groove is provided at the upper end of the discharge head, and the stirring member includes a U-shaped rod and a conical rod, both ends of the U-shaped rod are fixedly connected to the stirring shaft, and the U-shaped rod is located in the storage cavity, and the conical rod includes a conical cross rod and a conical oblique rod, and the conical cross rod is fixedly connected to the stirring shaft, and the conical oblique rod is located in the conical groove, and the conical oblique rod has the same inclination angle as the conical groove.

[0015] Compared with the prior art, the present invention has the following beneficial effects: (1) The raw material (anhydrous magnesium sulfate or sodium chloride, etc.) that needs to be discharged is placed in the storage cavity of the discharging barrel, at this time part of the raw material is located between the discharging protrusions on the upper side, the test tube that needs the raw material is placed below the discharging outlet, then the discharging drive device drives the discharging disc to rotate, the discharging protrusions can drive the raw material to the discharging outlet, the raw material falls into the test tube from the discharging outlet, in this way the corresponding number of turns can be rotated according to the weight of the required raw material, the discharging efficiency is high, and manual weighing and other operations are not needed; (2) The stirring drive motor drives the stirring drive gear to rotate, the stirring drive gear drives the stirring driven gear to rotate, thereby driving the stirring shaft to rotate, the stirring shaft drives the stirring piece to rotate, and the stirring piece can play a role in stirring the raw material in the discharging barrel; (3) When it is needed to add raw material to the storage cavity, the plug-in protrusion can be moved out of the discharging slot, at this time the stirring drive gear is separated from the stirring driven gear, and the discharging drive gear is also separated from the discharging driven gear, then the entire discharging barrel can be taken down, the discharging limiting pin is moved out of the discharging limiting slot, the discharging head can be disassembled, then the raw material can be put into the discharging barrel, and after being put in, the discharging head can be assembled, and the discharging function and the stirring function are ensured to guarantee the normal feeding function; (4) Different discharging barrels of raw materials can also be replaced, and one discharging support, one discharging drive device, one stirring drive motor and one stirring drive gear can adapt to different discharging barrels of raw materials; (5) The plug-in protrusion is plugged into the discharging slot, the discharging barrel is installed in place, the pressing rotating device drives the discharging pressing rod to rotate, the discharging pressing rod abuts against one side of the discharging barrel away from the discharging groove, the position of the discharging barrel is limited, and movement of the discharging barrel is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure diagram of the discharging device of the application; Figure 2 It is a front view of Figure 1 ; Figure 3 It is a sectional view of Figure 2 A-A in ; Figure 4 It is an enlarged view of I in Figure 3 ; Figure 5 It is a partial structure diagram of the discharging assembly; Figure 6 It is a front view of Figure 5 ; Figure 7 It is a sectional view of B-B in Figure 6 ; Figure 8 It is a sectional view of C-C in Figure 6Cross-sectional view at C-C Figure 9 For Figure 6 Cross-sectional view at D-D.

[0017] In the figure: 1, base plate; 2, test tube; 101, blanking device; 102, blanking support; 103, blanking barrel; 104, storage cavity; 105, blanking head; 106, blanking groove; 107, blanking inlet; 108, blanking outlet; 109, blanking disc; 110, blanking protrusion; 111, arc-shaped groove; 112, blanking rotating shaft; 113, blanking driven gear; 114, blanking drive motor; 115, blanking drive gear; 116, stirring base plate; 117, stirring rotating shaft; 118, stirring driven gear; 119, stirring drive motor; 120, stirring drive gear; 121, blanking support base; 122, blanking limit pin; 123, blanking limit groove; 124, blanking support flat plate; 125, blanking recess; 126, blanking fixing block; 127, blanking insertion slot; 128, insertion protrusion; 129, conical inclined rod; 130, blanking compression rod; 131, compression cylinder; 132, conical groove; 133, U-shaped rod; 134, conical cross rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0019] Please refer to Figures 1-9 The present application provides a blanking device technical solution.

[0020] A blanking device 101 comprises: a base plate 1; a blanking support 102 fixed on the base plate 1; The blanking assembly is installed on the blanking support 102, and the blanking assembly comprises a blanking barrel 103, the blanking barrel 103 is internally provided with a storage cavity 104, the lower end of the blanking barrel 103 is provided with a blanking head 105, the blanking head 105 is internally provided with a blanking groove 106, the blanking groove 106 comprises a blanking inlet 107 and a blanking outlet 108, the blanking inlet 107 is communicated with the storage cavity 104, the blanking groove 106 is rotatably connected with a blanking disc 109, the outer wall of the blanking disc 109 is provided with a plurality of blanking protrusions 110 which are uniformly distributed around the circumference of the blanking disc, the inner wall of the blanking groove 106 is provided with an arc-shaped groove 111, and part of the blanking protrusions 110 abut against the inner wall of the arc-shaped groove 111; the blanking protrusions 110 separate the blanking inlet 107 and the blanking outlet 108; The blanking driving device is used for driving the blanking disc 109 to rotate.

[0021] The raw material (anhydrous magnesium sulfate or sodium chloride, etc.) to be blanked is placed in the storage cavity 104 of the blanking barrel 103, at this time, part of the raw material is located between the blanking protrusions 110 in the upper portion, the test tube requiring the raw material is placed below the blanking outlet 108, and then the blanking driving device drives the blanking disc 109 to rotate, the blanking protrusions 110 can drive the raw material to the blanking outlet 108, and the raw material falls into the test tube from the blanking outlet 108. The weight of the raw material output by the rotation of the blanking disc 109 is detected in advance, so that the corresponding number of rotations can be obtained according to the weight of the required raw material. One kind of raw material corresponds to one blanking device, so that various raw materials can be quickly output.

[0022] As shown in Figure 7 , the blanking protrusions 110 are provided as brushes, and the brushes can play a role in conveying the raw material, and the conveying precision is also relatively high.

[0023] As shown in Figures 4-9 , the blanking disc 109 is rotatably connected with the blanking groove 106 through a blanking shaft 112, one end of the blanking shaft 112 extending out of the blanking head 105 is fixed with a blanking driven gear 113, the blanking driving device comprises a blanking driving motor 114 and a blanking driving gear 115, the blanking driving motor 114 is fixed on the blanking support 102, the blanking driving gear 115 is fixed on the rotating shaft of the blanking driving motor 114, and the blanking driving gear 115 is engaged with the blanking driven gear 113.

[0024] The blanking driving motor 114 drives the blanking driving gear 115 to rotate, the blanking driving gear 115 drives the blanking driven gear 113 to rotate, thereby driving the blanking disc 109 to rotate and realizing blanking.

[0025] In order to stir the raw material of the blanking barrel 103, as shown in Figures 4-9As shown, the upper end of the discharging barrel 103 is fixed with a stirring base plate 116, the stirring base plate 116 is rotationally connected with a stirring shaft 117, the stirring shaft 117 is provided with a stirring part at the part located in the storage cavity 104, the end of the stirring shaft 117 extending out of the stirring base plate 116 is fixed with a stirring driven gear 118, the discharging support 102 is fixed with a stirring driving motor 119, the rotating shaft of the stirring driving motor 119 is fixed with a stirring driving gear 120, the stirring driving gear 120 is engaged with the stirring driven gear 118.

[0026] The stirring driving motor 119 drives the stirring driving gear 120 to rotate, the stirring driving gear 120 drives the stirring driven gear 118 to rotate, thereby driving the stirring shaft 117 to rotate, the stirring shaft 117 drives the stirring part to rotate, and the stirring part can stir the raw materials in the discharging barrel 103.

[0027] As shown, Figures 4-9 The lower end of the discharging barrel 103 is fixed with two discharging supports 121, each of the discharging supports 121 is fixed with a discharging limiting pin 122, and the discharging head 105 is provided with a discharging limiting groove 123 for inserting the discharging limiting pin 122.

[0028] When the discharging limiting pin 122 is inserted into the discharging limiting groove 123, the discharging head 105 and the discharging barrel 103 can be connected together. When the discharging head 105 needs to be disassembled, the discharging limiting pin 122 only needs to be moved out of the discharging limiting groove 123.

[0029] The discharging limiting pin 122 is a dividing pin, which is an existing component. The dividing pin is fixed on the discharging support 121. The outer end of the dividing pin only needs to be pulled outwards, and the inner end of the dividing pin can be moved out of the discharging limiting groove 123. When the outer end of the dividing pin is loosened, the inner end of the dividing pin will be reset, and the inner end of the dividing pin is inserted into the discharging limiting groove 123.

[0030] As shown, Figures 4-9 The discharging support 102 is provided with a discharging support plate 124, the discharging support plate 124 is provided with a discharging recess 125, the discharging support plate 124 is fixed with two discharging fixing blocks 126, the two discharging fixing blocks 126 are located on the two sides of the discharging recess 125, the discharging fixing block 126 is provided with a discharging insertion slot 127, and the stirring base plate 116 is fixed with an insertion protrusion 128 inserted into the discharging insertion slot 127.

[0031] In the above manner, when the plug-in protrusion 128 is plugged with the blanking slot 127, the upper end of the blanking barrel 103 is plugged with the blanking groove 125, the stirring drive gear 120 is engaged with the stirring driven gear 118, and the blanking drive gear 115 is engaged with the blanking driven gear 113, so that the blanking action and the stirring action can be performed. When it is necessary to add raw materials to the storage cavity 104, the plug-in protrusion 128 can be moved out of the blanking slot 127, at which time the stirring drive gear 120 is separated from the stirring driven gear 118, and the blanking drive gear 115 is also separated from the blanking driven gear 113, so that the entire blanking barrel 103 can be taken down, then the blanking limiting pin 122 is moved out of the blanking limiting slot 123, so that the blanking head 105 can be disassembled, and then raw materials can be put into the blanking barrel 103, and after being put in, the blanking head 105 can be assembled.

[0032] In the above manner, different blanking barrels 103 of different raw materials can also be replaced, and one blanking support 102, one blanking drive device, one stirring drive motor 119 and one stirring drive gear 120 can be adapted to different blanking barrels 103 of different raw materials.

[0033] As shown in Figure 4 , the blanking device 101 further comprises a pressing rotating device, and the blanking support 102 is rotatably connected with a blanking pressing rod 130, the blanking pressing rod 130 comprises a pressing state and an unlocking state, in the pressing state, the blanking pressing rod 130 is located on the side of the blanking barrel 103 away from the blanking groove 125, in the unlocking state, the blanking pressing rod 130 is rotated away from the blanking barrel 103, and the pressing rotating device drives the blanking pressing rod 130 to rotate.

[0034] As shown in Figure 4 , the plug-in protrusion 128 is plugged with the blanking slot 127 to install the blanking barrel 103 in place, the pressing rotating device drives the blanking pressing rod 130 to rotate, so that the blanking pressing rod 130 abuts against the side of the blanking barrel 103 away from the blanking groove 125, thereby limiting the position of the blanking barrel 103 to avoid movement of the blanking barrel 103. When it is necessary to disassemble the blanking barrel 103, the blanking pressing rod 130 is rotated away from the blanking barrel 103, so that the blanking barrel 103 can be disassembled.

[0035] As shown in Figure 4 , the pressing rotating device is provided as a pressing cylinder 131, the housing of the pressing cylinder 131 is rotatably connected with the blanking support 102, and the piston rod of the pressing cylinder 131 is rotatably connected with the blanking pressing rod 130. The piston rod of the pressing cylinder 131 can drive the blanking pressing rod 130 to rotate by extension and retraction.

[0036] As shown in Figures 4-9As shown, the upper end of the discharging head 105 is provided with a tapered groove 132, and the stirring member includes a U-shaped rod 133 and a tapered rod. The two ends of the U-shaped rod 133 are fixedly connected with the stirring shaft 117, and the U-shaped rod 133 is located in the storage cavity 104. The tapered rod includes a tapered horizontal rod 134 and a tapered inclined rod 129. The tapered horizontal rod 134 is fixedly connected with the stirring shaft 117, and the tapered inclined rod 129 is located in the tapered groove 132 and has the same inclination angle as the tapered groove 132. When the stirring shaft 117 rotates, the U-shaped rod 133 and the tapered rod can stir the raw materials in the storage cavity 104 and the tapered groove 132.

[0037] While the embodiments of the application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A blanking device, characterized in that: include: base plate; A blanking bracket, the blanking bracket being fixed on the bottom plate; A blanking assembly is mounted on the blanking bracket, the blanking assembly comprises a blanking barrel body, a material storage cavity is provided in the blanking barrel body, a blanking head is installed at the lower end of the blanking barrel body, a blanking trough is provided in the blanking head, the blanking trough comprises a blanking inlet and a blanking outlet, the blanking inlet is communicated with the material storage cavity, a blanking disc is rotatably connected in the blanking trough, a plurality of blanking protrusions evenly distributed around the circumference of the blanking disc are provided on the outer wall of the blanking disc, an arc-shaped groove is provided on the inner wall of the blanking trough, and some of the blanking protrusions abut against the inner wall of the arc-shaped groove; A material unloading drive device is used to drive the material unloading tray to rotate.

2. A blanking device according to claim 1, characterized in that: The blanking protrusion is configured as a brush.

3. A blanking device according to claim 1, characterized in that: The unloading plate is rotatably connected to the unloading chute via a unloading shaft, and an unloading driven gear is fixed to one end of the unloading shaft extending from the unloading head. The unloading drive device includes an unloading drive motor and an unloading drive gear. The unloading drive motor is fixed on the unloading bracket, and the unloading drive gear is fixed on the rotating shaft of the unloading drive motor. The unloading drive gear is meshed with the unloading driven gear.

4. A blanking device according to claim 3, characterized in that: A stirring base is fixed to the upper end of the discharge barrel body, a stirring shaft is rotatably connected to the stirring base, a stirring member is installed on the part of the stirring shaft located in the material storage cavity, a stirring driven gear is fixed to one end of the stirring shaft extending out of the stirring base, a stirring drive motor is fixed to the discharge bracket, a stirring drive gear is fixed to the rotating shaft of the stirring drive motor, and the stirring drive gear is meshed with the stirring driven gear.

5. A blanking device according to claim 4, characterized in that: Two material discharge supports are fixed on the lower end of the material discharge barrel body, and a material discharge limit pin is fixed on each of the material discharge supports. The material discharge head is provided with a material discharge limit groove for inserting the material discharge limit pin.

6. A blanking device according to claim 5, characterized in that: The blanking bracket is provided with a blanking bracket flat plate, the blanking bracket flat plate is provided with a blanking groove, two blanking fixing blocks are fixed on the blanking bracket flat plate, the two blanking fixing blocks are located on both sides of the blanking groove, a blanking slot is provided on the blanking fixing block, and a plug-in protrusion that is plugged into the blanking slot is fixed on the stirring substrate.

7. A blanking device according to claim 6, characterized in that: It also includes a clamping rotation device, and a blanking clamping rod is rotatably connected to the blanking bracket. The blanking clamping rod includes a clamping state and an unlocking state. In the clamping state, the blanking clamping rod is located on the side of the blanking barrel body facing away from the blanking groove. In the unlocking state, the blanking clamping rod rotates away from the blanking barrel body, and the clamping rotation device drives the blanking clamping rod to rotate.

8. A blanking device according to claim 7, characterized in that: The pressing rotation device is configured as a pressing cylinder, a shell of the pressing cylinder is rotatably connected to the blanking bracket, and a piston rod of the pressing cylinder is rotatably connected to the blanking pressing rod.

9. A blanking device according to claim 5, characterized in that: The blanking limit pin is configured as an indexing pin.

10. A blanking device according to claim 4, characterized in that: The upper end of the discharge head is provided with a conical groove, and the stirring member includes a U-shaped rod and a conical rod. The two ends of the U-shaped rod are fixedly connected to the stirring shaft. The U-shaped rod is located in the material storage cavity. The conical rod includes a conical cross rod and a conical oblique rod. The conical cross rod is fixedly connected to the stirring shaft. The conical oblique rod is located in the conical groove, and the inclination angle of the conical oblique rod is the same as that of the conical groove.

Images