Feeding devices for dry chemical production

Abstract

The present invention provides a feeding device for chemical drying production, which relates to the technical field of chemical production, including: a feeding rack, a support plate, a first driving motor, a pressure vessel, and a second driving motor; the feeding rack is also provided with a lower containing box and an upper containing box; an inner cylinder is provided in the pressure vessel, and a rear baffle is connected to the rear end of the inner cylinder, and the rear baffle is fixedly connected to the inner wall of the pressure vessel, and a front baffle ring is connected between the outer side of the inner cylinder and the inner front side of the pressure vessel; the second driving motor is installed at the outer end of the rear side of the pressure vessel, and can push the lower containing box and the upper containing box into the pressure vessel through the transition action of the outer driving screw and the inner driving screw on the feeding, and form the same interval between the containing boxes. The problem that the containing boxes pushed into the pressure vessel are all stacked together and there is no gap between them is solved.

Description

Technical Field

[0001] The invention relates to the technical field of chemical production, in particular to a feeding device used for dry production of chemicals. Background Art

[0002] Pressure vessels are often used in the production of chemicals, and pressure vessels are closed containers that can withstand pressure. Pressure vessels are widely used and play an important role in many sectors such as industry, civil, military and many fields of scientific research.

[0003] For example, in the patent with application number: CN201620554547.0, a steam pressure vessel and a feeding device thereof are disclosed, and the key points of the technical solution are: comprising a trolley body and a charging basket placed on the trolley body for loading materials to be heated, both sides of the trolley body are provided with limiting plates for limiting the charging basket, a baffle is provided on the trolley body, the baffle is connected with the limiting plate and forms a concave accommodating cavity for placing the charging basket with the trolley body, the charging basket is placed in the concave accommodating cavity and is slidably connected with the trolley body along the length direction of the limiting plate, and a clamping device for clamping the charging basket with the concave accommodating cavity is provided between the baffle and the trolley body; by providing a guide rail in the container body that cooperates with the limiting plate for placing the charging basket, and the guide rail is connected with the limiting plate so as to be in the same straight line, the trolley body is directly pushed to dock with the guide rail, and the heating and drying process is carried out on the guide rail when the charging basket is pushed into the container body, which greatly facilitates the handling and the operation of the workers and reduces the labor intensity.

[0004] However, currently, when feeding materials into a pressure vessel, it is often necessary to push them in manually, which is troublesome and prone to danger. In addition, the boxes pushed into the pressure vessel are piled up together with no gaps between them, which affects the processing effect. Summary of the invention

[0005] In view of this, the present invention provides a feeding device for chemical drying production, which can push the lower containing box and the upper containing box into the pressure container through the transition action of the outer driving screw and the inner driving screw on the feeding, and form the same interval between the containing boxes.

[0006] The present invention provides a feeding device for chemical drying production, which specifically comprises: a feeding frame, a support plate, a first driving motor, a pressure vessel and a second driving motor;

[0007] A support plate is provided on the inner side of the feed frame, and the first drive motor is installed on the feed frame and placed on the support plate. The two ends of the top of the feed frame are respectively provided with an external drive screw, a support seat and a clamping block, and the external drive screw is rotatably installed on the support seat, and the rear end thereof is respectively fixedly connected with a connecting shaft A, which is rotatably inserted on the clamping block and is transmission-connected with the first drive motor. Two groups of long strips A are also connected in the middle of the top side of the feed frame;

[0008] The feed rack is also provided with a lower containing box and an upper containing box;

[0009] An inner cylinder is provided in the pressure vessel, and a rear baffle is connected to the rear end of the inner cylinder, and the rear baffle is fixedly connected to the inner wall of the pressure vessel, and a front baffle ring is connected between the outer side of the inner cylinder and the inner front side of the pressure vessel;

[0010] The second driving motor is installed at the rear outer end of the pressure container.

[0011] Optionally, the lower containing box is provided with two groups, and a connecting plate is connected between the two groups of lower containing boxes, a limiting plate is fixedly connected to the middle of the bottom side of the connecting plate, and the lower end of the limiting plate is slidably inserted in the slot formed by the two groups of long strips A, and two groups of bottom support rods are also fixedly connected to the outer end of the bottom side of the lower containing box, and the bottom of the bottom support rods are respectively connected with semicircular screw sleeves, and the threads in the semicircular screw sleeves are engaged with the threads on the external drive screw.

[0012] Optionally, a guide square rod is vertically fixed on the inner end of the lower containing box, a square insertion tube is provided in the middle of the inner end of the upper containing box, and the upper containing box is inserted into the guide square rod through the square insertion tube and placed on the upper side of the lower containing box.

[0013] Optionally, two groups of inner driving screws are further provided at the inner bottom end of the inner cylinder, the width between the two groups of inner driving screws is respectively the same as the width between the two groups of outer driving screws, and the installation heights of the two groups of inner driving screws are respectively the same as the installation heights of the two groups of outer driving screws, the two ends of the inner driving screws are respectively connected with connecting shafts B, and the connecting shafts B are respectively rotatably inserted in the fixed cylinder, the bottom end side of the fixed cylinder on the front end side is fixedly installed on the support block, and the support block is fixedly connected to the inner cylinder, the top end height of the support block is lower than the center of the fixed cylinder, the connecting shaft B on the rear end side passes through the rear baffle and is transmission-connected to the motor shaft of the second driving motor, and two groups of long strips B are also connected in the middle of the inner bottom end of the inner cylinder.

[0014] Optionally, three groups of inclined plates B are connected to the inner upper end of the inner tube, and the upper ends of the three groups of inclined plates B are respectively connected to flat plates, the three groups of inclined plates B and the three groups of flat plates are respectively connected to T-shaped hanging plates, and the upper ends of the T-shaped hanging plates are respectively fixedly connected to the inner tube.

[0015] Optionally, an inclined plate A is connected to the other end of the outer side of the upper containing box, and the height between the top and bottom ends of the inclined plate A is 1 / 2 of the height of the upper containing box, and the bottom end of the inclined plate A is connected to the bottom end of the outer side of the upper containing box, and the upper end of the inclined plate A is connected to the middle of the outer side of the upper containing box. When the upper containing box is inserted on the upper side of the lower containing box, the distance between the two sets of relative inclined plates A is greater than the thickness of the lower end of the T-shaped hanging plate.

[0016] Optionally, the inclined plate B of the lower group is opposite to the inclined plate A of the two groups of upper containing boxes on the upper and lower sides of the lower containing box, the inclined plate B of the middle group is opposite to the inclined plate A of the two groups of upper containing boxes in the middle of the lower containing box, and the inclined plate B of the upper group is opposite to the inclined plate A of the two groups of upper containing boxes on the upper side of the lower containing box.

[0017] Optionally, the spacing between the middle group of flat plates and the upper and lower groups of flat plates is 1.5 times the height of the upper containing box.

[0018] Optionally, when the lower containing box moves to the inside of the pressure vessel, the semicircular screw sleeves are respectively connected to the driving screw by threaded engagement, and the lower end of the limiting plate is slidably inserted into the slot formed by the two groups of long strips B.

[0019] Beneficial Effects

[0020] Compared with the traditional feeding structure, the feeding device according to each embodiment of the present invention can push the lower containing box and the upper containing box into the pressure container through the transition action of the outer driving screw and the inner driving screw on the feeding, and form the same interval between the containing boxes.

[0021] In addition, by providing a guide square rod on the lower containing box, it is convenient to install the upper containing box on the lower containing box through the square insertion tube, and by providing a first driving motor and an external driving screw, utilizing the engagement of the semicircular screw sleeve and the external driving screw, the lower containing box and the upper containing box are driven by the first driving motor to move toward the pressure vessel, and are pulled into the pressure vessel under the drive of the internal driving screw.

[0022] In addition, three groups of inclined plates are arranged in the pressure vessel, and the inner driving screw is driven to rotate by the second driving motor. The lower containing box and the upper containing box are pulled into the inner cylinder of the pressure vessel by the meshing of the inner driving screw and the semicircular screw sleeve. When the lower containing box and the upper containing box pass through the inclined plate B, the inclined plate B of the lower side group is opposite to the inclined plates A of the two groups of upper containing boxes on the upper and lower sides of the lower containing box, the inclined plate B of the middle group is opposite to the inclined plates A of the two groups of upper containing boxes in the middle of the lower containing box, and the inclined plate B of the upper side group is opposite to the two groups of upper containing boxes on the upper side of the lower containing box. The inclined plates A are relative to each other, and when the inner driving screw continues to pull the lower containing box inward, the upper containing box is lifted up in turn by three groups of inclined plates B, so that the upper containing box moves to the flat plate, and there are gaps between the upper containing box of the lower group and the lower containing box, between the upper containing box of the middle group and the upper containing box of the lower group, and between the upper containing box of the upper group and the upper containing box of the middle group, so as to better carry out reaction production, and after the production is completed, the lower containing box and the upper containing box can be synchronously pushed out to the feed rack by controlling the second driving motor to rotate in the opposite direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0024] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0025] In the attached picture:

[0026] Figure 1 A schematic diagram showing the overall structure of an embodiment according to the present invention is shown;

[0027] Figure 2 The embodiment according to the present invention is shown Figure 1 A schematic diagram of the structure when the middle feed rack moves toward the pressure vessel and the outer drive screw contacts the fixed barrel;

[0028] Figure 3 The embodiment according to the present invention is shown Figure 2 The enlarged structural diagram at A in the middle;

[0029] Figure 4 It shows a schematic diagram of the overall structure of the feed rack, the lower containing box, and the upper containing box according to an embodiment of the present invention;

[0030] Figure 5 The embodiment according to the present invention is shown Figure 4 A schematic diagram of the structure when the upper and lower containing boxes are removed in sequence;

[0031] Figure 6 It shows a schematic structural diagram of a cutaway end of a pressure vessel after an upper containing box and a lower containing box are pushed into the pressure vessel according to an embodiment of the present invention;

[0032] Figure 7 The embodiment according to the present invention is shown Figure 6 The enlarged structural diagram at B in the middle;

[0033] Figure 8 The embodiment according to the present invention is shown Figure 6 Schematic diagram of the structure after the rear end of the medium pressure vessel is cut away.

[0034] Reference numerals list

[0035] 1. Feed rack; 101. Support plate; 102. First drive motor; 103. External drive screw; 1031. Connecting shaft A; 104. Support seat; 105. Clamping block; 106. Strip A; 2. Lower containing box; 201. Guide square rod; 202. Connecting plate; 2021. Limiting plate; 203. Bottom support rod; 204. Semicircular screw sleeve; 3. Upper containing box; 301. Square interlaced cylinder; 302. Inclined plate A; 4. Pressure vessel; 401. Inner cylinder; 402. Rear baffle; 403. Front baffle ring; 404. Inner drive screw; 4041. Connecting shaft B; 405. Fixed cylinder; 4051. Support block; 406. Strip B; 407. Inclined plate B; 408. Flat plate; 409. T-shaped hanging plate; 5. Second drive motor. DETAILED DESCRIPTION

[0036] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0037] Example: Please refer to Figures 1 to 8 :

[0038] The present invention proposes a feeding device for chemical drying production, comprising: a feeding frame 1, a support plate 101, a first drive motor 102, a pressure container 4 and a second drive motor 5;

[0039] A support plate 101 is provided on the inner side of the feed frame 1, and a first drive motor 102 is installed on the feed frame 1 and placed on the support plate 101. An external drive screw 103, a support seat 104 and a clamping block 105 are provided at both ends of the top of the feed frame 1, and the external drive screw 103 is rotatably installed on the support seat 104, and its rear end is fixedly connected with a connecting shaft A1031, which is rotatably inserted on the clamping block 105 and is transmission-connected to the first drive motor 102. Two groups of long strips A106 are also connected in the middle of the top side of the feed frame 1;

[0040] The feed rack 1 is also provided with a lower containing box 2 and an upper containing box 3;

[0041] like Figure 5 As shown, the lower containing box 2 is provided with two groups, and a connecting plate 202 is connected between the two groups of lower containing boxes 2, a limiting plate 2021 is fixedly connected to the middle of the bottom side of the connecting plate 202, and the lower end of the limiting plate 2021 is slidably inserted in the slot formed by the two groups of long strips A106, and the outer end of the bottom side of the lower containing box 2 is also fixedly connected to two groups of bottom support rods 203, and the bottoms of the bottom support rods 203 are respectively connected with semicircular screw sleeves 204, and the threads in the semicircular screw sleeves 204 are meshed with the threads on the external drive screw 103, so as to facilitate the installation of the lower containing box 2 on the feeding rack 1, so that the limiting plate 2021 is inserted into the slot formed by the two groups of long strips A106, and the semicircular screw sleeves 204 are meshed with the external drive screw 103, and the external drive screw 103 is driven to rotate by the first drive motor 102, thereby pushing the lower containing box 2 to move on the feeding rack 1;

[0042] like Figure 5 As shown, a guide square rod 201 is also vertically fixedly inserted at one end of the inner side of the lower containing box 2, and a square insertion tube 301 is respectively provided in the middle of one end of the inner side of the upper containing box 3, and the upper containing box 3 is inserted into the guide square rod 201 through the square insertion tube 301 and placed on the upper side of the lower containing box 2, so that the upper containing box 3 can be inserted into the lower containing box 2 and can move synchronously with the movement of the lower containing box 2;

[0043] An inner cylinder 401 is provided in the pressure vessel 4, and a rear baffle 402 is connected to the rear end of the inner cylinder 401, and the rear baffle 402 is fixedly connected to the inner wall of the pressure vessel 4, and a front baffle ring 403 is connected between the outer side of the inner cylinder 401 and the inner front side of the pressure vessel 4;

[0044] The second drive motor 5 is installed at the rear outer end of the pressure container 4 .

[0045] In addition, according to an embodiment of the present invention, Figure 6 and Figure 8As shown, two groups of inner driving screws 404 are further provided at the inner bottom end of the inner cylinder 401, the width between the two groups of inner driving screws 404 is respectively the same as the width between the two groups of outer driving screws 103, and the installation height of the two groups of inner driving screws 404 is respectively the same as the installation height of the two groups of outer driving screws 103, the two ends of the inner driving screws 404 are respectively connected with connecting shafts B4041, and the connecting shafts B4041 are respectively rotatably inserted in the fixed cylinder 405, the bottom end side of the fixed cylinder 405 on the front end side is fixedly installed on the support block 4051, and the support block 4051 is fixedly connected to the inner cylinder 401, and the top height of the support block 4051 is The degree is lower than the center of the fixed cylinder 405, the connecting shaft B4041 on the rear end side passes through the rear baffle 402 and is connected to the motor shaft of the second drive motor 5, and two groups of long strips B406 are also connected in the middle of the inner bottom end of the inner cylinder 401. After the semicircular screw sleeve 204 passes through the fixed cylinder 405 at the outer end and engages with the inner drive screw 404, the limit plate 2021 is inserted into the slot formed by the two groups of long strips B406, and the inner drive screw 404 is driven to rotate by the second drive motor 5. The engagement of the inner drive screw 404 and the semicircular screw sleeve 204 is utilized to pull the lower containing box 2 and the upper containing box 3 into the inner cylinder 401 of the pressure vessel 4.

[0046] In addition, according to an embodiment of the present invention, Figure 6 As shown, the inner upper end of the inner tube 401 is also connected to three groups of inclined plates B407, and the upper ends of the three groups of inclined plates B407 are respectively connected to flat plates 408, and the three groups of inclined plates B407 and the three groups of flat plates 408 are respectively connected to T-shaped hanging plates 409, and the upper ends of the T-shaped hanging plates 409 are respectively fixedly connected to the inner tube 401, as shown in FIG. Figure 5As shown, the other end of the outer side of the upper containing box 3 is connected with an inclined plate A302, the height between the top and bottom of the inclined plate A302 is 1 / 2 of the height of the upper containing box 3, and the bottom end of the inclined plate A302 is connected to the bottom end of the outer side of the upper containing box 3, and the upper end of the inclined plate A302 is connected to the middle of the outer side of the upper containing box 3. When the upper containing box 3 is inserted on the upper side of the lower containing box 2, the distance between the two sets of relative inclined plates A302 is greater than the T-shaped hanging plate 4. 09, the inclined plate B407 of the lower side group is opposite to the inclined plates A302 of the two groups of upper containing boxes 3 on the upper and lower sides of the lower containing box 2, the inclined plate B407 of the middle group is opposite to the inclined plates A302 of the two groups of upper containing boxes 3 in the middle of the lower containing box 2, the inclined plate B407 of the upper side group is opposite to the inclined plates A302 of the two groups of upper containing boxes 3 on the upper side of the lower containing box 2, and the spacing between the middle group flat plate 408 and the upper and lower groups of flat plates 408 is 1.3mm / s. The inclined plates B407 of the lower group are opposite to the inclined plates A302 of the two groups of upper containing boxes 3 on the upper and lower sides of the lower containing box 2, the inclined plates B407 of the middle group are opposite to the inclined plates A302 of the two groups of upper containing boxes 3 in the middle of the lower containing box 2, and the inclined plates B407 of the upper group are opposite to the inclined plates A302 of the two groups of upper containing boxes 3 on the upper side of the lower containing box 2. 02 Relatively speaking, when the inner driving screw rod 404 continues to pull the lower containing box 2 inward, the upper containing box 3 is lifted up in turn by three groups of inclined plates B407, so that the upper containing box 3 moves to the flat plate 408, and there are gaps between the upper containing box 3 of the lower group and the lower containing box 2, between the upper containing box 3 of the middle group and the upper containing box 3 of the lower group, and between the upper containing box 3 of the upper group and the upper containing box 3 of the middle group, so as to better carry out reaction production.

[0047] In addition, according to an embodiment of the present invention, Figure 5 As shown, when the lower containing box 2 moves to the inner side of the pressure vessel 4, the semicircular screw sleeves 204 are respectively connected to the driving screw 404 by threaded engagement, and the lower end of the limiting plate 2021 is slidably inserted into the slot formed by the two groups of long strips B406, and the driving screw 404 is used to push the lower containing box 2 to move in the pressure vessel 4, and the slot formed by the two groups of long strips B406 is used to limit the limiting plate 2021 to prevent the lower containing box 2 from shifting.

[0048] In addition, according to an embodiment of the present invention, as shown in FIG. X,

[0049] Specific usage and function of this embodiment: In the present invention, the lower holding box 2 is placed on the feed rack 1, the limit plate 2021 is inserted into the slot formed by the two groups of long strips A106, and the semicircular screw sleeves 204 on the bottom sides of the two groups of lower holding boxes 2 are respectively engaged with the external drive screw 103, and then the upper holding box 3 is inserted into the upper side of the lower holding box 2 through the square insertion cylinder 301 in turn, and the feed rack 1 is pushed toward the pressure container 4. One end of the external drive screw 103 contacts the fixed cylinder 405 at the outer end and then stops, and the first drive motor is started 102 and the second driving motor 5, the rotation of the first driving motor 102 drives the two sets of outer driving screws 103 to rotate, so that the outer driving screws 103 are engaged with the semicircular screw sleeves 204, and the lower containing box 2 and the upper containing box 3 are pushed toward the pressure container 4, and the semicircular screw sleeves 204 are engaged with the inner driving screws 404 through the fixing cylinders 405 at the outer ends, and the limiting plate 2021 is inserted into the card slot formed by the two sets of long strips B406, and the inner driving screws 404 are driven to rotate by the second driving motor 5, and the inner driving screws 404 are used to move the pressure container 4. The engagement with the semicircular screw sleeve 204 pulls the lower containing box 2 and the upper containing box 3 into the inner cylinder 401 of the pressure vessel 4. When the lower containing box 2 and the upper containing box 3 pass through the inclined plate B407, the inclined plate B407 of the lower side group is opposite to the inclined plates A302 of the two groups of upper containing boxes 3 on the upper and lower sides of the lower containing box 2, the inclined plate B407 of the middle group is opposite to the inclined plates A302 of the two groups of upper containing boxes 3 in the middle of the lower containing box 2, and the inclined plate B407 of the upper side group is opposite to the inclined plates A302 of the two groups of upper containing boxes 3 on the upper side of the lower containing box 2, and the screw rod 40 is driven inwardly. When the lower containing box 2 is continuously pulled inward, the upper containing box 3 is lifted up in sequence by the three groups of inclined plates B407, so that the upper containing box 3 moves to the flat plate 408, and there are gaps between the lower group upper containing box 3 and the lower containing box 2, between the middle group upper containing box 3 and the lower group upper containing box 3, and between the upper group upper containing box 3 and the middle group upper containing box 3, so that the reaction production can be better carried out. After the production is completed, the lower containing box 2 and the upper containing box 3 can be synchronously pushed out to the feeding rack 1 by controlling the second driving motor 5 to rotate in the opposite direction.

[0050] Finally, it should be noted that when describing the position of each component and the matching relationship between them, the present invention usually takes one / a pair of components as an example. However, those skilled in the art should understand that such position, matching relationship, etc. are also applicable to other components / other pairs of components.

[0051] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A feeding device for chemical drying production, characterized in that: include: A feed rack, a support plate, a first drive motor, a pressure vessel, and a second drive motor; A support plate is provided on the inner side of the feed frame, and the first drive motor is installed on the feed frame and placed on the support plate. The two ends of the top of the feed frame are respectively provided with an external drive screw, a support seat and a clamping block, and the external drive screw is rotatably installed on the support seat, and the rear end thereof is respectively fixedly connected with a connecting shaft A, which is rotatably inserted on the clamping block and is transmission-connected with the first drive motor. Two groups of long strips A are also connected in the middle of the top side of the feed frame; The feed rack is also provided with a lower containing box and an upper containing box; An inner cylinder is provided in the pressure vessel, and a rear baffle is connected to the rear end of the inner cylinder, and the rear baffle is fixedly connected to the inner wall of the pressure vessel, and a front baffle ring is connected between the outer side of the inner cylinder and the inner front side of the pressure vessel; The second drive motor is installed at the rear outer end of the pressure vessel; The lower containing box is provided with two groups, and a connecting plate is connected between the two groups of lower containing boxes, a limiting plate is fixedly connected to the middle of the bottom side of the connecting plate, and the lower end of the limiting plate is slidably inserted in the slot formed by the two groups of long strips A, and two groups of bottom support rods are also fixedly connected to the outer end of the bottom side of the lower containing box, and the bottoms of the bottom support rods are respectively connected to semicircular screw sleeves, and the threads in the semicircular screw sleeves are meshed with the threads on the external driving screw; A square guide rod is also vertically fixedly inserted at one end of the inner side of the lower containing box, and a square insertion tube is respectively provided in the middle of one end of the inner side of the upper containing box, and the upper containing box is inserted into the square guide rod through the square insertion tube and is placed on the upper side of the lower containing box; Two groups of inner driving screws are also provided at the inner bottom end of the inner cylinder, the width between the two groups of inner driving screws is the same as the width between the two groups of outer driving screws, and the installation heights of the two groups of inner driving screws are the same as the installation heights of the two groups of outer driving screws, the two ends of the inner driving screws are respectively connected with connecting shafts B, and the connecting shafts B are respectively rotatably inserted in the fixed cylinder, the bottom end side of the fixed cylinder on the front end side is fixedly installed on the support block, and the support block is fixedly connected to the inner cylinder, the top end height of the support block is lower than the center of the fixed cylinder, the connecting shaft B on the rear end side passes through the rear baffle and is transmission-connected to the motor shaft of the second driving motor, and two groups of long strips B are also connected in the middle of the inner bottom end of the inner cylinder.

2. The feeding device for chemical drying production according to claim 1, characterized in that: The inner upper end of the inner tube is also connected to three groups of inclined plates B, and the upper ends of the three groups of inclined plates B are respectively connected to flat plates, and the three groups of inclined plates B and the three groups of flat plates are respectively connected to T-shaped hanging plates, and the upper ends of the T-shaped hanging plates are respectively fixedly connected to the inner tube.

3. The feeding device for chemical drying production as claimed in claim 2, characterized in that: The other end of the outer side of the upper containing box is connected with an inclined plate A, the height between the top and bottom ends of the inclined plate A is 1 / 2 of the height of the upper containing box, and the bottom end of the inclined plate A is connected to the bottom end of the outer side of the upper containing box, and the upper end of the inclined plate A is connected to the middle of the outer side of the upper containing box. When the upper containing box is inserted on the upper side of the lower containing box, the distance between the two sets of relative inclined plates A is greater than the thickness of the lower end of the T-shaped hanging plate.

4. The feeding device for chemical drying production as claimed in claim 3, characterized in that: The inclined plate B of the lower group is opposite to the inclined plate A of the two groups of upper containing boxes on the upper and lower sides of the lower containing box, the inclined plate B of the middle group is opposite to the inclined plate A of the two groups of upper containing boxes in the middle of the lower containing box, and the inclined plate B of the upper group is opposite to the inclined plate A of the two groups of upper containing boxes on the upper side of the lower containing box.

5. The feeding device for chemical drying production as claimed in claim 4, characterized in that: The distances between the middle group of flat plates and the upper and lower groups of flat plates are 1.5 times the height of the upper containing box.

6. The feeding device for chemical drying production as claimed in claim 5, characterized in that: When the lower containing box moves to the inside of the pressure container, the semicircular screw sleeves are respectively connected to the driving screw by threaded engagement, and the lower end of the limit plate is slidably inserted into the slot formed by the two groups of long strips B.

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