Wear-resistant anti-blocking rotary valve

Abstract

The invention discloses a wear-resistant anti-blocking rotary valve, belongs to the technical field of rotary valves, and aims to solve the problems that as conveyed materials are not only granular or strip-shaped materials, the crushing effect is poor, the materials are easy to block, a device is blocked and stops running, the production efficiency is low, and popularization and implementation are difficult. According to the device, a movable rod and a second transmission rod are driven to deflect with a U-shaped piece as the center through mutual transmission cooperation of a rotating disc, an eccentric shaft and a first transmission rod, and then the horizontal position of a first supporting plate and the horizontal position of first crushing teeth are adjusted through deviation of the position of the eccentric shaft; the materials are crushed through relative movement of the first crushing teeth and the second crushing teeth, follow-up material clamping and other conditions are prevented, the structure is simple, and operation is easy.

Description

Technical Field

[0001] The invention relates to the technical field of rotary valves, in particular to a wear-resistant and anti-jamming rotary valve. Background Art

[0002] Rotary valve can also be called rotary feeding valve, star discharger, rotary ash discharge valve, impeller feeder, etc. It is made of cast iron, carbon steel, stainless steel and other materials. It is mainly used for sealing discharge and air locking. Rotary valve is a special equipment used in powder (powder, granular material, powder-particle mixture) conveying system for discharge, metering, dust removal, quantitative conveying, mixing and packaging. It is mainly composed of three parts: main valve, deceleration mechanism and protective device. The careful structural design makes the rotary valve have good air locking, high temperature and high pressure resistance, anti-jamming and other special functions.

[0003] For example, the patent with publication number CN221026363U discloses a rotary valve with anti-jamming effect, including a main body, a discharge pipe is arranged on one side of the main body, a protective shell is arranged on the other side of the main body, a motor is arranged on one side of the protective shell, a rotating shaft is arranged inside the main body, and blades are fixedly connected to the outside of the rotating shaft. However, the device only crushes the passing material by the cleaning knife on the blade, but because the conveyed material is not only granular, but also can be long strips, the crushing effect is poor, the material is easily jammed, resulting in device blockage, stoppage, low production efficiency, and difficult to promote and implement.

[0004] Therefore, in order to solve such problems, we propose a wear-resistant and anti-jamming rotary valve. Summary of the invention

[0005] The purpose of the present invention is to provide a wear-resistant and anti-jamming rotary valve, aiming to solve the problem in the above-mentioned background technology that the passing material is only crushed by the cleaning knife on the blade. However, since the conveyed material is not only granular but also can be long strips of material, the crushing effect is poor, the material is easily stuck, resulting in device blockage and cessation of operation, low production efficiency, and difficulty in promotion and implementation.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a wear-resistant and anti-jamming rotary valve, comprising a valve body and a bracket fixedly connected to the bottom of the valve body, a feed block is connected through the top of the valve body, a first slide groove is provided on two opposite inner walls of the feed block, a first installation groove is provided on one side of the inner wall of the feed block adjacent to the first slide groove, a side groove is provided on one side of the outer wall of the feed block, and a discharge block is connected through the bottom of the valve body;

[0007] A pad is fixedly connected to an outer wall of one side of the valve body, a fixing piece is fixedly connected to the top of the pad, a first motor is fixedly connected to an outer wall of one side of the fixing piece, an output end of the first motor is fixedly connected to a rotating shaft, a rotating disk is fixedly connected to a side of the rotating shaft away from the first motor, an eccentric shaft is fixedly connected to a side of an outer wall of the rotating disk away from the rotating shaft, a first transmission rod is movably sleeved on the eccentric shaft, a movable rod is fixedly connected to the first transmission rod, both ends of the movable rod are movably connected to the second transmission rod, a U-shaped piece is movably connected to one side of the second transmission rod, a first support plate is fixedly connected to an outer wall of one side of the U-shaped piece, first sliders are fixedly connected to the outer walls of both sides of the first support plate, a first crushing tooth is fixedly connected to the outer wall of the first support plate away from the U-shaped piece, first mounting blocks are movably connected in two first mounting grooves, a second support plate is fixedly connected between the two first mounting blocks, and a second crushing tooth is fixedly connected to a side of the second support plate close to the first crushing tooth.

[0008] Preferably, first engaging grooves are provided on both sides of the bottom of the feed block, a first engaging block is movably connected in the first engaging groove, and a first triangular blade is fixedly connected to the first engaging block.

[0009] Preferably, an annular groove is provided on an outer wall of one side of the valve body, an annular block is movably connected in the annular groove, and a sealing plate is fixedly connected to the outer wall of the annular block.

[0010] Preferably, a first hanging ear is fixedly connected to one end of the outer wall of the valve body, a second hanging ear is fixedly connected to the outer wall of the sealing plate, and a fixing bolt is movably connected to the second hanging ear.

[0011] Preferably, a second motor is fixedly connected to the outer wall of the sealing plate, a rotating rod is fixedly connected to the output end of the second motor, the rotating rod passes through the sealing plate, and a plurality of partitions are fixedly connected to the outer wall of the rotating rod.

[0012] Preferably, a second engaging groove is formed on a side of the partition away from the second motor, a second engaging block is movably connected in the second engaging groove, and a second triangular blade is fixedly connected to the second engaging block.

[0013] Preferably, the top of the feed block is fixedly connected to a frame, through grooves are provided on both side outer walls of the frame, a second slide groove is provided on the inner wall of the through groove, a third motor is fixedly connected to one side outer wall of the frame, a double-threaded rod is fixedly connected to the output end of the third motor, the double-threaded rod is located in the second slide groove, and both ends of the double-threaded rod are threadedly connected to the second slider, a top plate is fixedly connected to the outer wall of the second slider, a groove is provided on the top of the top plate, a weighing sensor is fixedly connected to the bottom of the groove, a placement plate is fixedly connected to the top of the weighing sensor, and a V-shaped feed funnel is fixedly connected to the top of the frame.

[0014] Preferably, pads are fixedly connected to the four corners of the bottom of the bracket.

[0015] Preferably, the horizontal displacement length of the first support plate and the first crushing tooth is the same as the radius of the rotating disk.

[0016] Preferably, the first sliding block is located in the first sliding groove, and the feed block and the first support plate are slidably connected to the first sliding block through the first sliding groove.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention utilizes the mutual transmission cooperation of the turntable, the eccentric shaft and the first transmission rod to drive the movable rod and the second transmission rod to deflect with the U-shaped part as the center, and then adjusts the horizontal position of the first support plate and the first crushing tooth by offsetting the position of the eccentric shaft. When the first crushing tooth is close to the second crushing tooth, the material is crushed by the relative movement of the first crushing tooth and the second crushing tooth to prevent subsequent material jamming, and the outer end of the first triangular blade and the outer end of the second triangular blade abut against each other, and the material is crushed for the second time by the first triangular blade and the second triangular blade, which effectively solves the problem of blockage in the valve body, ensures the fluidity of the material during transportation, improves the production efficiency, and has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 It is an exploded schematic diagram of the overall structure of the present invention;

[0021] Figure 3 It is an exploded schematic diagram of the valve body installation structure of the present invention;

[0022] Figure 4 It is an exploded schematic diagram of the blade structure of the present invention;

[0023] Figure 5 It is a schematic diagram of the explosion of the crushed piece of the present invention;

[0024] Figure 6 It is an exploded schematic diagram of the feed block of the present invention;

[0025] Figure 7 It is an exploded schematic diagram of the quantitative member of the present invention;

[0026] Figure 8 It is a schematic diagram of an explosion of the top plate of the present invention.

[0027] Legend:

[0028] 1. Valve body; 11. Annular groove; 12. Feed block; 121. First slide groove; 122. First mounting groove; 123. Side groove; 124. First engaging groove; 13. First engaging block; 131. First triangular blade; 14. Discharging block; 2. Cushion block; 21. Fixing member; 22. First motor; 221. Rotating shaft; 222. Rotating disk; 223. Eccentric shaft; 23. First transmission rod; 231. Movable rod; 232. Second transmission rod; 233. U-shaped member; 24. First support plate; 241. First slider; 25. First crushing tooth; 26. First mounting block; 261 , second support plate; 27, second crushing tooth; 3, first hanging ear; 31, annular block; 32, sealing plate; 33, second hanging ear; 331, fixing bolt; 4, second motor; 41, rotating rod; 42, partition; 421, second engaging groove; 43, second engaging block; 431, second triangular blade; 5, frame; 51, through groove; 511, second slide groove; 52, third motor; 521, double threaded rod; 53, second slider; 54, top plate; 541, groove; 55, weighing sensor; 56, placement plate; 57, V-shaped feeding funnel; 6, bracket; 61, pad. DETAILED DESCRIPTION

[0029] 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.

[0030] In order to solve the problem of easy material jamming, resulting in device blockage, shutdown, low production efficiency, and difficulty in promotion and implementation, please refer to Figure 1-Figure 6 , providing the following preferred technical solutions.

[0031] An embodiment of the present invention provides: a wear-resistant and anti-jamming rotary valve, comprising a valve body 1 and a bracket 6 fixedly connected to the bottom of the valve body 1, a feed block 12 is connected through the top of the valve body 1, a first slide groove 121 is provided on two opposite inner walls of the feed block 12, a first installation groove 122 is provided on one side of the inner wall of the feed block 12 adjacent to the first slide groove 121, a side groove 123 is provided on one side of the outer wall of the feed block 12, and a discharge block 14 is connected through the bottom of the valve body 1;

[0032] A cushion block 2 is fixedly connected to an outer wall of one side of the valve body 1, a fixing member 21 is fixedly connected to the top of the cushion block 2, a first motor 22 is fixedly connected to an outer wall of one side of the fixing member 21, a rotating shaft 221 is fixedly connected to an output end of the first motor 22, a rotating disk 222 is fixedly connected to a side of the rotating shaft 221 away from the first motor 22, an eccentric shaft 223 is fixedly connected to a side of an outer wall of the rotating disk 222 away from the rotating shaft 221, a first transmission rod 23 is movably sleeved on the eccentric shaft 223, a movable rod 231 is fixedly connected to the first transmission rod 23, and both ends of the movable rod 231 are movably connected to second Transmission rod 232, one side of the second transmission rod 232 is movably connected with a U-shaped piece 233, one side outer wall of the U-shaped piece 233 is fixedly connected with a first support plate 24, both side outer walls of the first support plate 24 are fixedly connected with first sliders 241, a first crushing tooth 25 is fixedly connected with an outer wall of the first support plate 24 away from the U-shaped piece 233, two first mounting grooves 122 are movably connected with first mounting blocks 26, a second support plate 261 is fixedly connected between the two first mounting blocks 26, and a second crushing tooth 27 is fixedly connected with a side of the second support plate 261 close to the first crushing tooth 25.

[0033] Specifically, the first motor 22 drives the rotating shaft 221 to rotate, the rotating shaft 221 drives the rotating disk 222 to rotate, the rotating disk 222 drives the eccentric shaft 223 to perform circular motion around the rotating shaft 221, and the rotating shaft 221 drives the movable rod 231 to deflect around the U-shaped member 233 through the first transmission rod 23, so that the first support plate 24 and the first crushing tooth 25 perform horizontal reciprocating motion, so that the first crushing tooth 25 and the second crushing tooth 27 engage with each other, and the material is crushed for the first time.

[0034] Both sides of the bottom of the feed block 12 are provided with first engaging grooves 124 , in which the first engaging grooves 124 are movably connected the first engaging blocks 13 , and on which the first triangular blades 131 are fixedly connected.

[0035] Specifically, the first engaging groove 124 and the first engaging block 13 engage and install the first triangular blade 131 .

[0036] An annular groove 11 is formed on one outer wall of the valve body 1 , an annular block 31 is movably connected in the annular groove 11 , and a sealing plate 32 is fixedly connected to the outer wall of the annular block 31 .

[0037] Specifically, the annular groove 11 and the annular block 31 are used to seal the material.

[0038] A first hanging ear 3 is fixedly connected to one end of the outer wall of the valve body 1 , a second hanging ear 33 is fixedly connected to the outer wall of the sealing plate 32 , and a fixing bolt 331 is movably connected to the second hanging ear 33 .

[0039] Specifically, the valve body 1 and the sealing plate 32 are fixedly installed by means of the first hanging ear 3 , the second hanging ear 33 and the fixing bolt 331 .

[0040] Preferably, the second motor 4 is fixedly connected to the outer wall of the sealing plate 32 , and the output end of the second motor 4 is fixedly connected to a rotating rod 41 , which passes through the sealing plate 32 , and a plurality of partitions 42 are fixedly connected to the outer wall of the rotating rod 41 .

[0041] Specifically, the second motor 4 drives the rotating rod 41 to rotate, and the rotating rod 41 drives the plurality of partitions 42 to rotate.

[0042] A second engaging groove 421 is formed on one side of the partition plate 42 away from the second motor 4 . A second engaging block 43 is movably connected in the second engaging groove 421 . A second triangular blade 431 is fixedly connected to the second engaging block 43 .

[0043] Specifically, the second triangular blade 431 is mounted by engaging with the second engaging groove 421 and the second engaging block 43 .

[0044] The top of the feed block 12 is fixedly connected to the frame 5, and through grooves 51 are opened on the outer walls of both sides of the frame 5. A second slide groove 511 is opened on the inner wall of the through groove 51, and a third motor 52 is fixedly connected to the outer wall of one side of the frame 5. The output end of the third motor 52 is fixedly connected to a double-threaded rod 521, and the double-threaded rod 521 is located in the second slide groove 511, and both ends of the double-threaded rod 521 are threadedly connected to the second slider 53, and a top plate 54 is fixedly connected to the outer wall of the second slider 53. A groove 541 is opened on the top of the top plate 54, and a weighing sensor 55 is fixedly connected to the bottom of the groove 541. A placement plate 56 is fixedly connected to the top of the weighing sensor 55, and a V-shaped feeding funnel 57 is fixedly connected to the top of the frame 5.

[0045] Specifically, the third motor 52 drives the double-threaded rod 521 to rotate, and the double-threaded rod 521 drives the two second sliding blocks 53 and the two top plates 54 to perform horizontal relative movement.

[0046] Pads 61 are fixedly connected to the four corners of the bottom of the bracket 6 .

[0047] Specifically, the function of the pad 61 is to buffer vibrations and prevent the valve body 1 from vibrating too much during operation.

[0048] Furthermore, in order to enhance the stability of the device, Figure 7-8 As shown, the following preferred technical solutions are provided.

[0049] The horizontal displacement length of the first supporting plate 24 and the first crushing tooth 25 is the same as the radius of the rotating disk 222 .

[0050] The first sliding block 241 is located in the first sliding groove 121 , and the feed block 12 and the first support plate 24 are slidably connected to the first sliding block 241 through the first sliding groove 121 .

[0051] Working principle: When conveying materials, firstly, the materials are prevented from passing through the V-shaped feeding funnel 57 to the top of the two top plates 54. Due to the gravity of the materials, the top plates 54 move downward, exerting downward pressure on the weighing sensor 55. When the materials reach the specified appropriate weight, the third motor 52 is started, and the third motor 52 drives the double-threaded rod 521 to rotate. The double-threaded rod 521 drives the two second sliders 53 and the two top plates 54 to perform horizontal relative movement, so that the materials fall into the feeding block 12. Then the first motor 22 is started, and the first motor 22 drives the rotating shaft 221 to rotate. The rotating shaft 221 drives the rotating disk 222 to rotate. The rotating disk 222 drives the eccentric shaft 223 to rotate with the rotating shaft 2 21 is the center for circular motion, the rotating shaft 221 drives the movable rod 231 to deflect around the U-shaped piece 233 through the first transmission rod 23, so that the first support plate 24 and the first crushing tooth 25 make horizontal reciprocating motion, so that the first crushing tooth 25 and the second crushing tooth 27 are meshed with each other, and the material is crushed for the first time, so that the crushed material falls to the valve body 1, and then the second motor 4 is started, the second motor 4 drives the rotating rod 41 to rotate, and the rotating rod 41 drives the multiple partitions 42 to rotate, so that the second triangular blade 431 on the partition 42 and the first triangular blade 131 crush the material for the second time until it is discharged to the outside through the discharge block 14. The structure is simple and easy to operate.

[0052] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant and anti-jamming rotary valve, comprising a valve body (1) and a bracket (6) fixedly connected to the bottom of the valve body (1), characterized in that: The top of the valve body (1) is connected to a feed block (12), two opposite inner walls of the feed block (12) are provided with first slide grooves (121), one side of the inner wall of the feed block (12) adjacent to the first slide groove (121) is provided with a first mounting groove (122), one side of the outer wall of the feed block (12) is provided with a side groove (123), and the bottom of the valve body (1) is connected to a discharge block (14); A cushion block (2) is fixedly connected to an outer wall of one side of the valve body (1); a fixing member (21) is fixedly connected to the top of the cushion block (2); a first motor (22) is fixedly connected to an outer wall of one side of the fixing member (21); a rotating shaft (221) is fixedly connected to an output end of the first motor (22); a rotating disk (222) is fixedly connected to a side of the rotating shaft (221) away from the first motor (22); an eccentric shaft (223) is fixedly connected to a side of an outer wall of the rotating disk (222) away from the rotating shaft (221); a first transmission rod (23) is movably sleeved on the eccentric shaft (223); a movable rod (231) is fixedly connected to the first transmission rod (23); and both ends of the movable rod (231) are movably connected. A second transmission rod (232) is provided, one side of the second transmission rod (232) is movably connected to a U-shaped member (233), a first support plate (24) is fixedly connected to an outer wall of one side of the U-shaped member (233), both sides of the outer walls of the first support plate (24) are fixedly connected to first sliding blocks (241), a first crushing tooth (25) is fixedly connected to an outer wall of a side of the first support plate (24) away from the U-shaped member (233), two first mounting grooves (122) are movably connected to first mounting blocks (26), a second support plate (261) is fixedly connected between the two first mounting blocks (26), and a second crushing tooth (27) is fixedly connected to a side of the second support plate (261) close to the first crushing tooth (25).

2. The wear-resistant and anti-jamming rotary valve according to claim 1, characterized in that: Both sides of the bottom of the feed block (12) are provided with first engaging grooves (124), a first engaging block (13) is movably connected in the first engaging groove (124), and a first triangular blade (131) is fixedly connected to the first engaging block (13).

3. The wear-resistant and anti-jamming rotary valve according to claim 1, characterized in that: An annular groove (11) is provided on the outer wall of one side of the valve body (1), an annular block (31) is movably connected in the annular groove (11), and a sealing plate (32) is fixedly connected to the outer wall of the annular block (31).

4. The wear-resistant and anti-jamming rotary valve according to claim 3, characterized in that: A first hanging ear (3) is fixedly connected to one end of the outer wall of the valve body (1), a second hanging ear (33) is fixedly connected to the outer wall of the sealing plate (32), and a fixing bolt (331) is movably connected to the second hanging ear (33).

5. The wear-resistant and anti-jamming rotary valve according to claim 3, characterized in that: A second motor (4) is fixedly connected to the outer wall of the sealing plate (32); a rotating rod (41) is fixedly connected to the output end of the second motor (4); the rotating rod (41) passes through the sealing plate (32); and a plurality of partitions (42) are fixedly connected to the outer wall of the rotating rod (41).

6. The wear-resistant and anti-jamming rotary valve according to claim 5, characterized in that: A second engaging groove (421) is provided on a side of the partition plate (42) away from the second motor (4), a second engaging block (43) is movably connected in the second engaging groove (421), and a second triangular blade (431) is fixedly connected to the second engaging block (43).

7. The wear-resistant and anti-jamming rotary valve according to claim 1, characterized in that: The top of the feed block (12) is fixedly connected to a frame (5), both sides of the outer walls of the frame (5) are provided with through grooves (51), the inner walls of the through grooves (51) are provided with second slide grooves (511), one side of the outer wall of the frame (5) is fixedly connected to a third motor (52), the output end of the third motor (52) is fixedly connected to a double-threaded rod (521), the double-threaded rod (521) is located in the second slide groove (511), and both ends of the double-threaded rod (521) are threadedly connected to a second slider (53), the outer wall of the second slider (53) is fixedly connected to a top plate (54), the top of the top plate (54) is provided with a groove (541), the bottom of the groove (541) is fixedly connected to a weighing sensor (55), the top of the weighing sensor (55) is fixedly connected to a placement plate (56), and the top of the frame (5) is fixedly connected to a V-shaped feed funnel (57).

8. The wear-resistant and anti-jamming rotary valve according to claim 1, characterized in that: Pads (61) are fixedly connected to the four corners of the bottom of the bracket (6).

9. The wear-resistant and anti-jamming rotary valve according to claim 1, characterized in that: The horizontal displacement length of the first support plate (24) and the first crushing tooth (25) is the same as the radius of the rotating disk (222).

10. The wear-resistant and anti-jamming rotary valve according to claim 1, characterized in that: The first sliding block (241) is located in the first sliding groove (121), and the feed block (12) and the first support plate (24) are slidably connected to the first sliding block (241) via the first sliding groove (121).

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