Variable-frequency vibration type powder conveying device

Abstract

The invention discloses a variable-frequency vibration type powder conveying device, and relates to the technical field of powder conveying. The device comprises a vibration assembly which comprises a bottom frame and a shaft rod located in the bottom frame, a conveying assembly which comprises a conveying box located over the bottom frame, and a plurality of inclined magnetic plates which are linearly arranged from front to back are fixed to the lower end face of the conveying box; and two repelling magnetic plates which are uniformly distributed in the circumferential direction are arranged on the surface wall of the shaft rod located under each inclined magnetic plate, and the gas supply safety assembly comprises a nitrogen box located on the left side of the conveying box. Through mutual repulsion of a repulsive magnetic plate and an inclined magnetic plate, the inclined magnetic plate is pushed to vibrate in a reciprocating mode, non-contact vibration work in the conveying process is achieved, abrasion between structures can be effectively avoided, meanwhile, when a shaft rod works and rotates, a piston block is driven to work in a piston in a linkage pipe, and the shaft rod is driven to rotate. Therefore, the nitrogen in the linkage pipe is continuously pressed into the conveying box, and synchronous work of conveying and nitrogen filling is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of powder material conveying, and in particular relates to a variable frequency vibration type powder material conveying device. Background Art

[0002] The raw materials used for plastic molding in industrial chemical industry mainly include powders, pellets, solutions and dispersions. Some molding uses monomers and prepolymers. Powders and pellets are more widely used. The powder used is obtained by mixing and dispersing powdered raw material resin and various additives. According to the existing public document CN104386210B, a large amount of powder will be used in chemical equipment. Therefore, in production and processing, corresponding conveying devices are needed to convey a large amount of powder in batches.

[0003] Therefore, the driving method used by the vibration conveying structure currently used is to change the vibration force in real time by combining an eccentric block mechanism (such as a variable eccentric block driven by a hydraulic or stepper motor) to adapt to powders of different densities or viscosities. Since the conveying structure of the device is a heavy weight structure, the use of this vibration method will cause the eccentric structure to be in contact with the conveying structure for a long time, and the eccentric structure, linkage structure and conveying structure will be frequently worn, so they need to be inspected, repaired or replaced. At the same time, when the device is used to vibrate and convey the powder, it will drive the powder to follow the up and down shaking, and the powder inside the device is distributed in large quantities in the internal space, which will cause static electricity between the powder and the equipment or between the dust and the dust, resulting in dangerous accidents. In addition, the nitrogen filling device cannot work synchronously according to the transportation status of the equipment, so the nitrogen filling device cannot be controlled in the first time, and the time difference will cause nitrogen to be wasted in advance or increase the subsequent safety risks. To this end, we provide a variable frequency vibration powder conveying device to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a variable frequency vibration powder conveying device, which can realize contactless vibration operation during the conveying process by mutual repulsion between the repulsive magnetic plate and the inclined magnetic plate. Therefore, when the rotation range of the repulsive magnetic plate remains unchanged, the inclined magnetic plate is pushed to vibrate back and forth, and the wear between the structures can be effectively avoided. At the same time, when the shaft rotates during operation, it will drive the piston block in the linkage tube to work, so that the nitrogen in the linkage tube is continuously pressed into the conveying box, thereby realizing the synchronous operation of conveying and nitrogen filling.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention provides a variable frequency vibration powder conveying device, comprising a vibration component, a base frame and a shaft rod inside the base frame, two I-shaped steels symmetrically arranged are fixed to the lower end surface of the base frame, and the conveying component comprises a conveying box located directly above the base frame, and detection receivers for monitoring dust concentration are fixed to the front and rear end surfaces of the conveying box, and a plurality of inclined magnetic plates linearly arranged from front to back are fixed to the lower end surface of the conveying box, and two repelling magnetic plates uniformly distributed along the circumferential direction are arranged on the surface wall of the shaft rod located directly below each inclined magnetic plate, and the end of each repelling magnetic plate located directly above the shaft rod is aligned with the opposite The end faces of the corresponding inclined magnetic plates are flush with each other, and the upper end face of each I-shaped steel is provided with a plurality of support and reset components which are evenly distributed front and back and are used for stabilizing the vibration of the conveying box, and a gas supply safety component, including a nitrogen box located on the left side of the conveying box, the nitrogen box and the conveying box are provided with a linkage pipe, a piston block is provided inside the linkage pipe, a telescopic cylinder is fixed at a position corresponding to the port of the linkage pipe on the side wall of the base frame close to the nitrogen box, an annular tooth opening is opened on the surface wall of the shaft rod at the position corresponding to the position of the telescopic cylinder, a linkage tooth plate meshing with the annular tooth opening is provided inside the base frame below the shaft rod, and a compression block for compressing the air inside the linkage pipe is provided inside the telescopic cylinder.

[0006] The present invention is further configured such that the support and reset assembly includes a vertical block fixed on the upper end of the I-shaped steel and an inclined plate located behind the vertical block, and the inclined plate is fixedly connected to the side wall of the conveying box, the upper portion of the vertical block is fixedly connected to the side wall of the base frame, and the lower end of the inclined plate is rotatably connected to a rotating frame fixed on the I-shaped steel, and the base frame is connected to the I-shaped steel through the vertical block, so that the I-shaped steel supports the base frame, and the rotating frame pushes the inclined plate, so that the conveying box can be supported.

[0007] The present invention is further configured such that a main cylinder is fixed to the upper side wall of the vertical block corresponding to the inclined plate, a positioning rod which cooperates with the main cylinder gap is fixed to the side wall of the inclined plate corresponding to the vertical block, and a damping spring which is sleeved on the main cylinder and the positioning rod is fixed between the inclined plate and the vertical block.

[0008] The present invention is further configured such that both ends of the shaft are rotationally connected to the front and rear end surfaces of the chassis via bearings, and a motor drivingly connected to the front end surface of the shaft is fixed to the front end surface of the chassis.

[0009] The present invention is further configured such that a front portion of an upper end surface of the conveying box is fixedly connected with a corrugated feed pipe, a rear portion of a lower end surface of the conveying box is fixedly connected with a corrugated discharge pipe, and grounding strips are fixedly provided on the outer lower end surfaces of the conveying box located on the left and right sides of the shaft rod. The static electricity generated in the conveying box is conducted through the contact between the grounding strips and the ground, and double anti-static treatment is performed in the conveying box through the coordinated use of the grounding strips and nitrogen.

[0010] The present invention is further configured such that a ring opening is opened on the surface wall of the shaft rod corresponding to the position of each repelling magnetic plate, and a ring is fixed on the end face of the shaft rod corresponding to each repelling magnetic plate and is sleeved at the position of the ring opening. The two rings inside each ring opening are connected by bolts, and the rings inside each ring opening can be disassembled, so that the two assembled rings can be disassembled and replaced.

[0011] The present invention is further configured such that a positioning strip connected to the end face of the linkage tooth plate is fixed inside the base frame, a T-shaped hole is penetrated through the middle of the linkage tooth plate, a T-shaped rod matching the T-shaped hole is fixed to the end face of the positioning strip, and due to the matching between the T-shaped rod and the T-shaped hole, the linkage tooth plate can be stably supported through the positioning strip.

[0012] The present invention is further configured such that an eccentric rod is fixed to the end face of the linkage tooth plate opposite to the positioning bar, and a linkage bar is provided on the end face of the linkage tooth plate on the same side as the eccentric rod. The linkage bar is sleeved on the eccentric rod through a through hole opened at the end, and a telescopic rod is fixed to the end face of the compression block opposite to the linkage bar. The telescopic rod is connected to the sleeve rod at the other end of the linkage bar through the through hole opened at the end. The rotation of the linkage tooth plate can drive the linkage bar to perform eccentric rotation through the eccentric rod, thereby pulling and pushing the telescopic rod.

[0013] The present invention is further configured as follows: one end of the linkage tube is connected to the interior of the conveying box, and the other end is connected to the interior of the telescopic cylinder; the middle part of the linkage tube is fixedly connected to a connecting tube connected to the outlet end of the nitrogen box; a ring block is fixed inside the linkage tube between the telescopic cylinder and the connecting tube; the piston block is located inside the linkage tube between the ring block and the connecting tube; a sliding rod passing through the internal position of the ring block is fixed on the end face of the piston block; a pushing block is fixed on the sliding rod end face opposite to the piston block; a bending sleeve is fixed inside the linkage tube between the pushing block and the compression block; a linkage spring sleeved on the sliding rod is fixed between the pushing block and the ring block; when the compression block moves outward from the telescopic cylinder, the pushing block is pushed by the linkage spring so that the pushing block can be reset to the initial position, ensuring that the compression block can be directly compressed when inserted into the telescopic cylinder; at the same time, the pushing of the linkage spring by the ring block enables the pushing block to be accurately pushed.

[0014] The present invention is further configured such that a solenoid valve electrically connected to a detection receiver is fixed at the end of a linkage pipe near the delivery box, a portion of the linkage pipe between the solenoid valve and the connecting pipe is configured to be corrugated, an inlet end of the nitrogen box is connected to a recovery pipe connected to the inside of the delivery box, and a middle section of the recovery pipe is configured to be corrugated, a bottom plate for supporting the nitrogen box is provided at the lower end of the nitrogen box, and the bottom plate is connected to an I-shaped steel by bolts, and the size of the opening of the solenoid valve is controlled to control the flow size of nitrogen flowing through the solenoid valve inside the linkage pipe, and at the same time, through the coordinated use of the recovery pipe and the linkage pipe, a gas loop is formed between the delivery box and the nitrogen box, so that the nitrogen can flow back into the nitrogen box.

[0015] The present invention has the following beneficial effects: Since the repulsive magnetic plates and inclined magnetic plates at the top and bottom repel each other, when the shaft rotates, the shaft will drive the repulsive magnetic plates to rotate, thereby causing the repulsive magnetic plates to rotate out from under the inclined magnetic plates, and then the repulsive magnetic plates will push the inclined magnetic plates to move in the opposite direction, thereby achieving intermittent vibration of the conveyor box, ensuring that the conveyor box can effectively avoid wear between structures during vibration, thereby increasing the service life of the driving structure and avoiding regular maintenance or replacement of structures.

[0016] When the shaft rotates, it will drive the rotation of the linkage tooth plate through the annular tooth mouth, and control the compression block to perform piston movement in the telescopic cylinder, so as to extract and compress the gas inside the linkage tube, and control the piston block to perform piston movement in the linkage tube, and the nitrogen in the nitrogen box will fill the linkage tube. Therefore, the piston block will continuously push the nitrogen inside the linkage tube into the conveying box, reducing the probability of dust generating static electricity in the conveying box, realizing the synchronous operation of nitrogen filling and conveying process of the conveying box, ensuring the first time control of the nitrogen filling equipment, reducing the time difference between them, and effectively avoiding the waste of nitrogen or the increase of the risk rate later.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the above advantages at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 This is a structural combination diagram of the base frame, shaft rod and I-shaped steel in the present invention.

[0021] Figure 3 It is a structural diagram of the central axis, conveying box and grounding strip in the present invention.

[0022] Figure 4 It is a structural diagram of the base frame, I-shaped steel and linkage tooth plate in the present invention.

[0023] Figure 5 It is a structural diagram of the base frame and I-shaped steel in the present invention.

[0024] Figure 6 It is a structural diagram of the conveying box and the inclined magnetic plate in the present invention.

[0025] Figure 7 It is a combination diagram of the central shaft, linkage tooth plate and repulsive magnetic plate of the present invention.

[0026] Figure 8 It is a structural combination diagram of the nitrogen box, base frame, linkage pipe and recovery pipe in the present invention.

[0027] Fig. 9 It is a structural explosion diagram of the linkage tooth plate in the present invention.

[0028] Fig.10 It is a combined structural diagram of the linkage pipe and the pushing block in the present invention.

[0029] Fig.11 It is an exploded structural diagram of the linkage pipe and the pushing block in the present invention.

[0030] Fig.12 It is a structural combination diagram of the neutral block, inclined plate and damping spring of the present invention.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 100-vibration assembly, 101-base, 101a-telescopic cylinder, 101b-positioning bar, 101c-T-shaped rod, 102-shaft rod, 102a-motor, 102b-annular tooth mouth, 103-I-shaped steel, 104-linked tooth plate, 104a-T-shaped hole, 104b-eccentric rod, 104c-linked bar, 104d-telescopic rod, 104e-compression block, 105-repelling magnetic plate, 105a-ring, 200-conveying assembly, 201-conveying box, 201a-discharge pipe, 201b-feed pipe, 201c-detection receiving Device, 202-grounding strip, 203-inclined magnetic plate, 300-support reset assembly, 301-vertical block, 302-inclined plate, 302a-rotating frame, 303-damping spring, 303a-main cylinder, 303b-positioning rod, 400-gas supply safety assembly, 401-nitrogen box, 402-bottom plate, 403-linkage pipe, 403a-solenoid valve, 403b-connecting pipe, 403c-ring block, 403d-bending sleeve, 404-recovery pipe, 405-piston block, 405a-sliding rod, 405b-pushing block, 405c-linkage spring. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0033] See also Figure 1 , Figure 3 , Figure 8 and Fig.12 , which is the first embodiment of the present invention, provides a variable frequency vibration powder conveying device, through the mutual repulsion between the repulsive magnetic plate 105 and the inclined magnetic plate 203, so when the rotation range of the repulsive magnetic plate 105 remains unchanged, it will push the inclined magnetic plate 203 to vibrate back and forth, thereby realizing contactless vibration work during the conveying process, which can effectively avoid wear between structures. At the same time, when the shaft 102 rotates during operation, it will drive the piston block 405 to work in the linkage pipe 403, so as to continuously press the nitrogen in the linkage pipe 403 into the conveying box 201, thereby realizing the synchronous work of conveying and nitrogen filling.

[0034] Specifically, the vibration assembly 100 includes a base frame 101 and a shaft 102 located inside the base frame 101, the conveying assembly 200 includes a conveying box 201 located directly above the base frame 101, and the upper end surface of each I-shaped steel 103 is provided with a plurality of support reset assemblies 300 that are evenly distributed front and back and used for stable vibration of the conveying box 201, the support reset assembly 300 includes a vertical block 301 fixed to the upper end of the I-shaped steel 103 and an inclined plate 302 located at the rear of the vertical block 301, and the air supply safety assembly 400 includes a nitrogen box 401 located on the left side of the conveying box 201; By setting up and using the above-mentioned structure, the vibration component 100 is used to control the conveying component 200 to vibrate in an inclined manner, thereby controlling the dust vibration input inside the conveying box 201. At the same time, the air supply safety component 400 operates synchronously according to the operation of the vibration component 100, and can continuously provide nitrogen to the inside of the conveying box 201, so that the conveying box 201 can be filled with nitrogen during the conveying process, thereby reducing the probability of dust generating static electricity in the conveying box 201.

[0035] according to Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9Two I-shaped steels 103 symmetrically arranged are fixed to the lower end surface of the base frame 101, and detection receivers 201c for monitoring dust concentration are fixed to the front and rear end surfaces of the conveying box 201. A plurality of inclined magnetic plates 203 linearly arranged from front to back are fixed to the lower end surface of the conveying box 201. Two repelling magnetic plates 105 uniformly distributed along the circumferential direction are arranged on the surface wall of the shaft rod 102 directly below each inclined magnetic plate 203, and the end of each repelling magnetic plate 105 directly above the shaft rod 102 is flush with the end surface of the corresponding inclined magnetic plate 203. A linkage pipe 403 is provided between 401 and the delivery box 201, a piston block 405 is provided inside the linkage pipe 403, a telescopic cylinder 101a is fixed on the side wall of the base frame 101 close to the nitrogen box 401 at a position corresponding to the port of the linkage pipe 403, an annular tooth opening 102b is provided on the surface wall of the shaft rod 102 at a position corresponding to the telescopic cylinder 101a, a linkage tooth plate 104 meshing with the annular tooth opening 102b is provided inside the base frame 101 below the shaft rod 102, and a compression block 104e for compressing the air inside the linkage pipe 403 is provided inside the telescopic cylinder 101a; When using the above-mentioned structure, since the upper and lower repelling magnetic plates 105 and the inclined magnetic plates 203 repel each other, when the shaft 102 rotates, the shaft 102 will drive the repelling magnetic plates 105 to rotate, thereby causing the repelling magnetic plates 105 to rotate out from under the inclined magnetic plates 203 respectively, and then the repelling magnetic plates 105 will push the inclined magnetic plates 203 to move in the opposite direction, thereby realizing intermittent vibration of the conveying box 201, allowing the powder to move during the vibration process, and at the same time, when the shaft 102 rotates, it will drive the rotation of the linkage tooth plate 104 through the annular tooth mouth 102b, and control the compression block 104e to extend. The piston movement is performed in the shrinking cylinder 101a to extract and compress the gas inside the linkage tube 403, which will control the piston block 405 to perform piston movement in the linkage tube 403, and the nitrogen in the nitrogen box 401 will fill the linkage tube 403, so the piston block 405 will continuously push the nitrogen inside the linkage tube 403 into the conveying box 201, reducing the probability of dust generating static electricity in the conveying box 201. At the same time, when the work stops, the shaft 102 stops rotating, and then the shaft 102 will stop driving the rotation of the linkage gear plate 104, so that the linkage tube 403 is no longer continuously compressed.

[0036] Further, according to Figure 2 and Figure 3It can be seen that the two ends of the shaft rod 102 are rotatably connected to the front and rear end surfaces of the chassis 101 through bearings, and the front end surface of the chassis 101 is fixed with a motor 102a that is transmission-connected to the front end surface of the shaft rod 102. The front part of the upper end surface of the conveying box 201 is fixedly connected with a corrugated feed pipe 201b, and the rear part of the lower end surface of the conveying box 201 is fixedly connected with a corrugated discharge pipe 201a. When conveying powder, the feed pipe 201b and the discharge pipe 201a are connected to external equipment to make the inner part of the conveying box 201 The conveying box 201 is in a relatively sealed state. When the conveying box 201 vibrates, the conveying pipe will pull the feed pipe 201b and the discharge pipe 201a. Since the feed pipe 201b and the discharge pipe 201a are located in a corrugated shape, the feed pipe 201b and the discharge pipe 201a can be extended and retracted. At the same time, when the motor 102a is controlled to work, the motor 102a will directly drive the shaft 102 to rotate, thereby driving the repelling magnetic plate 105 to rotate inside the base frame 101.

[0037] Further, according to Figure 3 and Fig.10 It can be seen that the lower end surfaces of the conveying box 201 located on the left and right sides of the shaft 102 are fixed with grounding strips 202. When the powder is vibrated and transported in the conveying box 201, it contacts the ground through the grounding strips 202, thereby achieving a double reduction in the probability of generating static electricity. The end of the linkage pipe 403 close to the conveying box 201 is fixed with a solenoid valve 403a electrically connected to the detection receiver 201c. When the conveying box 201 conveys the powder inside it, it will cause the powder to spread too much in the conveying box 201, and at this time the detection receiver 20 Since 1c is fixed at the two end positions of the conveying box 201, the generated rays will pass through the powder diffused from the conveying box 201 and be received. At the same time, the intensity of the received light is used to control the opening size of the electromagnetic valve 403a. When the powder concentration is small, the intensity of the received light is large. At this time, the electromagnetic valve 403a is controlled to have a small opening diameter, so that nitrogen slowly enters the conveying box 201. Conversely, when the powder concentration is high, the intensity of the received light is small. At this time, the electromagnetic valve 403a is controlled to have a large opening diameter, so that nitrogen quickly enters the conveying box 201.

[0038] It should be noted that the motor 102a, the detection receiver 201c and the electromagnetic valve 403a used are all operated by an external control device, and the opposing surfaces of the repelling magnetic plate 105 and the inclined magnetic plate 203 used at the same time are in a state of mutual repulsion. Example 2

[0039] See also Figure 1 and Fig.12 On the basis of Example 1, this embodiment uses the upright block 301, the inclined plate 302 and the damping spring 303 in combination to perform buffering on the conveying box 201.

[0040] Specifically, the inclined plate 302 is fixedly connected to the side wall of the conveying box 201, the upper part of the vertical block 301 is fixedly connected to the side wall of the bottom frame 101, the lower end of the inclined plate 302 is rotatably connected to a rotating frame 302a fixed on the I-shaped steel 103, the vertical block 301 is fixed with a main cylinder 303a on the upper side wall of the inclined plate 302 corresponding to the inclined plate 302, the inclined plate 302 is fixed with a positioning rod 303b with a clearance fit with the main cylinder 303a on the side wall of the vertical block 301 corresponding to the vertical block 301, and a damping spring 303 sleeved on the main cylinder 303a and the positioning rod 303b is fixed between the inclined plate 302 and the vertical block 301; Through the setting and use of the above-mentioned structure, when the conveying box 201 vibrates, the conveying box 201 will drive the inclined plate 302 to rotate slightly on the rotating frame 302a, pull the damping spring 303, and drive the positioning rod 303b to slide in the positioning cylinder. When the conveying box 201 is reset, the inclined plate 302 will be reset in the direction of the vertical block 301. At this time, the damping spring 303 is compressed, and the positioning rod 303b cooperates with the main cylinder 303a to limit the damping spring 303. Example 3

[0041] See also Figure 7 and Figure 8 On the basis of Example 1, this embodiment has a collar 105a that is fitted inside the ring opening via bolts, and the collar 105a can be quickly disassembled, making it easy to install, disassemble and replace the repelling magnetic plate 105.

[0042] Specifically, the surface wall of the shaft 102 is provided with a ring opening corresponding to the position of each repelling magnetic plate 105, and a ring 105a is fixed on the end surface of each repelling magnetic plate 105 corresponding to the shaft 102, and the two rings 105a inside each ring opening are connected by bolts, and the linkage pipe 403 between the solenoid valve 403a and the connecting pipe 403b is configured to be corrugated, and the inlet end of the nitrogen box 401 is connected to a recovery pipe 404 connected to the inside of the conveying box 201, and the middle section of the recovery pipe 404 is configured to be corrugated, and the lower end of the nitrogen box 401 is provided with a bottom plate 402 for supporting the nitrogen box 401, and the bottom plate 402 is connected to the I-shaped steel 103 by bolts; By setting and using the above structure, when disassembling the repelling magnetic plate 105, the bolts on the two collars 105a can be unscrewed, so that the two collars 105a can be detached from the assembly. At this time, the collar 105a can be directly taken out from the ring mouth position on the shaft 102, and the repelling magnetic plate 105 can be directly taken out from the inside of the base frame 101. At the same time, since the position of the linkage pipe 403 and the recovery pipe 404 is set to be corrugated, the linkage pipe 403 and the recovery pipe 404 can also be stretched when the conveying box 201 vibrates to avoid damage to the linkage pipe 403 and the recovery pipe 404. The support of the nitrogen box 401 by the bottom plate 402 ensures the stability of the position of the nitrogen box 401. At the same time, the collar 105a fits with the inner wall of the ring mouth, and the bolts connect the two collars 105a to improve the close fit between the collar 105a and the inner wall of the ring mouth, ensuring that the shaft 102 can drive the synchronous rotation of the repelling magnetic plate 105 when rotating; It should be noted that the nitrogen box 401 is divided into two independent spaces, wherein a corresponding vacuum pump and a nitrogen separator are installed in the space connected to the recovery pipe 404, and the recovery pipe 404 is connected to the vacuum pump inside the nitrogen box 401, wherein the vacuum pump will continuously suck the gas inside the delivery box 201 through the recovery pipe 404, and at the same time, a corresponding nitrogen separator is installed in the nitrogen box 401, so as to separate the nitrogen and the remaining gas extracted from the delivery box 201, and the separated nitrogen enters the space connected to the connecting pipe 403b, and the nitrogen box 401 can also be filled with nitrogen through the external port on the side. Example 4

[0043] See also Fig.10 and Fig.11 On the basis of Example 1, this embodiment uses the pushing block 405b and the linkage spring 405c in combination, so as to facilitate the rapid piston movement of the piston block 405 in the linkage tube 403.

[0044] Specifically, a positioning strip 101b connected to the end face of the linkage tooth plate 104 is fixed inside the base frame 101, a T-shaped hole 104a is opened through the middle of the linkage tooth plate 104, a T-shaped rod 101c matching the T-shaped hole 104a is fixed to the end face of the positioning strip 101b, an eccentric rod 104b is fixed to the end face of the linkage tooth plate 104 opposite to the positioning strip 101b, and a linkage strip 104c is provided on the end face of the linkage tooth plate 104 on the same side as the eccentric rod 104b, and the linkage strip 104c is sleeved on the eccentric rod 104b through a through hole opened at the end, and a telescopic rod 104d is fixed to the end face of the compression block 104e relative to the linkage strip 104c, and the telescopic rod 104d is connected to the sleeve rod at the other end of the linkage strip 104c through the through hole opened at the end, and one end of the linkage pipe 403 is connected to the inner surface of the conveying box 201 The middle part of the linkage tube 403 is connected with each other, and the other end is connected with the inside of the telescopic cylinder 101a. The middle part of the linkage tube 403 is fixedly connected with the connecting tube 403b connected with the outlet end of the nitrogen box 401. A ring block 403c is fixed inside the linkage tube 403 between the telescopic cylinder 101a and the connecting tube 403b. The piston block 405 is located inside the linkage tube 403 between the ring block 403c and the connecting tube 403b. A slide rod 405a passing through the inner position of the ring block 403c is fixed on the end face of the piston block 405. A pushing block 405b is fixed on the end face of the slide rod 405a opposite to the piston block 405. A bending sleeve 403d is fixed inside the linkage tube 403 between the pushing block 405b and the compression block 104e. A linkage spring 405c sleeved on the slide rod 405a is fixed between the pushing block 405b and the ring block 403c. By setting and using the above structure, through the cooperation between the T-shaped rod 101c and the T-shaped hole 104a, the T-shaped rod 101c supports the linkage tooth plate 104 to ensure that the linkage tooth plate 104 is always meshed with the annular tooth opening 102b. At the same time, when the linkage tooth plate 104 rotates, it will drive the eccentric rod 104b with its end surface fixed to rotate eccentrically, so that the eccentric rod 104b will pull and push the linkage bar 104c, and thereby drive the telescopic rod 104d to pull and pull in the telescopic cylinder 101a, so as to control the compression block 104e to perform piston movement in the telescopic cylinder 101a, and compress the air in the bending sleeve 403d; When the compression block 104e compresses the bending sleeve 403d, it compresses the pushing block 405b, and then the pushing block 405b compresses the linkage spring 405c, and controls the slide bar 405a to expand and contract toward the position of the connecting pipe 403b inside the ring block 403c, pushing the piston block 405 to compress the inside of the linkage pipe 403 located at the position of the connecting pipe 403b, so that the nitrogen is compressed in the linkage pipe 403 into the inside of the conveying box 201, and at the same time compresses When block 104e moves outward from telescopic cylinder 101a, the pushing block 405b is sucked thereby, so that the pushing block 405b is reset, and the pushing of the pushing block 405b by the linkage spring 405c ensures that the pushing block 405b will quickly drive the piston block 405 to withdraw through the slide rod 405a, so that the nitrogen in the nitrogen box 401 quickly flows into the linkage pipe 403. Therefore, through the rapid pulling and pulling activity of the piston block 405, the rapid nitrogen supply to the conveying box 201 is realized.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0046] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A variable frequency vibration powder conveying device, characterized in that: include, The vibration assembly (100) comprises a base frame (101) and a shaft (102) located inside the base frame (101), wherein two I-shaped steels (103) arranged symmetrically on both sides are fixed to the lower end surface of the base frame (101); A conveying assembly (200) comprises a conveying box (201) located directly above a base frame (101), detection receivers (201c) for monitoring dust concentration being fixed to the front and rear end surfaces of the conveying box (201), a plurality of inclined magnetic plates (203) being fixed to the lower end surface of the conveying box (201) being linearly arranged from front to back, two repulsive magnetic plates (105) being evenly arranged along the circumferential direction are provided on the surface wall of the shaft rod (102) located directly below each inclined magnetic plate (203), and the end of each repulsive magnetic plate (105) located directly above the shaft rod (102) is flush with the end surface of the corresponding inclined magnetic plate (203); The upper end surface of each I-shaped steel (103) is provided with a plurality of support and reset components (300) evenly distributed front to back and used for stabilizing the vibration of the conveying box (201); and, The gas supply safety component (400) comprises a nitrogen box (401) located on the left side of a delivery box (201), wherein the nitrogen box (401) and the delivery box (201) are provided with a linkage tube (403), a piston block (405) is provided inside the linkage tube (403), a telescopic cylinder (101a) is fixed on a side wall of the base frame (101) close to the nitrogen box (401) at a position corresponding to an end of the linkage tube (403), an annular tooth opening (102b) is provided on the surface wall of the shaft rod (102) at a position corresponding to the telescopic cylinder (101a), a linkage tooth plate (104) meshing with the annular tooth opening (102b) is provided inside the base frame (101) located below the shaft rod (102), and a compression block (104e) for compressing the air inside the linkage tube (403) is provided inside the telescopic cylinder (101a).

2. A variable frequency vibration powder conveying device according to claim 1, characterized in that: The support reset assembly (300) comprises a vertical block (301) fixed to the upper end of the I-shaped steel (103) and an inclined plate (302) located behind the vertical block (301), wherein the inclined plate (302) is fixedly connected to the side wall of the conveying box (201), the upper portion of the vertical block (301) is fixedly connected to the side wall of the bottom frame (101), and the lower end of the inclined plate (302) is rotatably connected to a rotating frame (302a) fixed to the I-shaped steel (103).

3. A variable frequency vibration powder conveying device according to claim 2, characterized in that: A main cylinder (303a) is fixed to the upper side wall of the vertical block (301) corresponding to the inclined plate (302); a positioning rod (303b) that is clearance-matched with the main cylinder (303a) is fixed to the side wall of the inclined plate (302) corresponding to the vertical block (301); and a damping spring (303) that is sleeved on the main cylinder (303a) and the positioning rod (303b) is fixed between the inclined plate (302) and the vertical block (301).

4. The variable frequency vibration powder conveying device according to claim 1, characterized in that: The two ends of the shaft rod (102) are rotatably connected to the front and rear end surfaces of the base frame (101) via bearings, and the front end surface of the base frame (101) is fixed with a motor (102a) that is transmission-connected to the front end surface of the shaft rod (102).

5. The variable frequency vibration powder conveying device according to claim 1, characterized in that: A corrugated feed pipe (201b) is fixedly connected to the front portion of the upper end surface of the conveying box (201), a corrugated discharge pipe (201a) is fixedly connected to the rear portion of the lower end surface of the conveying box (201), and grounding strips (202) are fixedly connected to the outer lower end surfaces of the conveying box (201) located on the left and right sides of the shaft rod (102).

6. The variable frequency vibration powder conveying device according to claim 1, characterized in that: A ring opening is provided on the surface wall of the shaft rod (102) at a position corresponding to each repulsive magnetic plate (105), and a sleeve ring (105a) sleeved at the position of the ring opening is fixed to the end surface of the shaft rod (102) corresponding to each repulsive magnetic plate (105), and two sleeve rings (105a) inside each ring opening are connected by bolts.

7. The variable frequency vibration powder conveying device according to claim 1, characterized in that: A positioning strip (101b) connected to the end face of the linkage tooth plate (104) is fixed inside the base frame (101), a T-shaped hole (104a) is provided through the middle of the linkage tooth plate (104), and a T-shaped rod (101c) matching the T-shaped hole (104a) is fixed to the end face of the positioning strip (101b).

8. The variable frequency vibration powder conveying device according to claim 7, characterized in that: An eccentric rod (104b) is fixed to the end face of the linkage tooth plate (104) opposite to the positioning strip (101b), and a linkage strip (104c) is provided on the end face of the linkage tooth plate (104) on the same side as the eccentric rod (104b); the linkage strip (104c) is sleeved on the eccentric rod (104b) via a through hole opened at the end; a telescopic rod (104d) is fixed to the end face of the compression block (104e) opposite to the linkage strip (104c); the telescopic rod (104d) is connected to the sleeve rod at the other end of the linkage strip (104c) via the through hole opened at the end.

9. The variable frequency vibration powder conveying device according to claim 8, characterized in that: One end of the linkage tube (403) is connected to the interior of the delivery box (201), and the other end is connected to the interior of the telescopic cylinder (101a). The middle of the linkage tube (403) is fixedly connected to a connecting tube (403b) connected to the outlet end of the nitrogen box (401). A ring block (403c) is fixed inside the linkage tube (403) between the telescopic cylinder (101a) and the connecting tube (403b). The piston block (405) is located in the linkage tube (403) between the ring block (403c) and the connecting tube (403b). 3) Inside, a slide rod (405a) passing through the inner position of the ring block (403c) is fixed to the end face of the piston block (405), a pushing block (405b) is fixed to the end face of the slide rod (405a) opposite to the piston block (405), a bending sleeve (403d) is fixed inside the linkage tube (403) located between the pushing block (405b) and the compression block (104e), and a linkage spring (405c) sleeved on the slide rod (405a) is fixed between the pushing block (405b) and the ring block (403c).

10. The variable frequency vibration powder conveying device according to claim 1, characterized in that: A solenoid valve (403a) electrically connected to a detection receiver (201c) is fixed to the end of the linkage pipe (403) near the delivery box (201); a portion of the linkage pipe (403) between the solenoid valve (403a) and the connecting pipe (403b) is configured to be corrugated; a recovery pipe (404) connected to the interior of the delivery box (201) is connected to the inlet end of the nitrogen box (401); and a middle section of the recovery pipe (404) is configured to be corrugated; a bottom plate (402) for supporting the nitrogen box (401) is provided at the lower end of the nitrogen box (401); and the bottom plate (402) is connected to the I-shaped steel (103) by bolts.

Images