Anti-blocking hopper based on proximity switch and suction machine

Abstract

The utility model discloses an anti-blocking hopper based on a proximity switch and a material suction machine, and belongs to the field of material suction machines, the anti-blocking hopper comprises a hopper structure, the lower end of the hopper structure is fixedly provided with a base, the base is rotatably provided with a material blocking plate, the base is fixedly provided with the proximity switch, and the proximity switch is connected with the material blocking plate. Two first supports are symmetrically and fixedly installed on the outer wall of the hopper structure, four second supports are symmetrically and fixedly installed on the outer wall of the hopper structure, the proximity switch is arranged to be matched with the vacuum hopper structure, the material blocking plate is broken through under the action of the gravity of materials when pressure loss occurs, and therefore the materials enter other equipment, and the purpose that the materials are not prone to being stuck is achieved; the first support, the second support, the limiting assembly and the fixing assembly are arranged, and meanwhile the hopper structure and the high-pressure fan are connected through the fixing assembly, so that the disassembly and assembly efficiency of the hopper structure and the high-pressure fan is high, and disassembly and assembly overhaul of the hopper structure and the high-pressure fan are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a material suction machine field, especially in a kind of anti-stuck material hopper and material suction machine based on proximity switch. BACKGROUND

[0002] The working principle of material suction machine is mainly that control device starts motor to extract air in hopper, and simultaneously closes material falling device, so that negative pressure is generated in hopper.Under the action of negative pressure, material in storage cylinder is sucked into hopper through material conveying pipe.When reaching set time, motor stops working, and internal material falling device automatically opens material blocking plate, and material flows out from hopper into injection molding machine or other auxiliary machine.Material suction machine is widely used in raw material conveying industry of injection molding machine, extruder and other equipment, and has the advantages of convenient installation, simple operation, strong long-distance conveying capacity, stable and reliable production and the like.In addition, it is also widely used in food, chemical industry, pharmaceutical, building material and other fields, such as milk powder, feed, candy, chemicals, plastics, rubber, medicine, Chinese herbal medicine, cement, mortar and other material conveying.Material suction machine of tradition adopts microswitch to adjust, that is, manually adjusts with counterweight, which is easy to block material, and simultaneously, hopper and fan on traditional material suction machine are connected through multiple locks, so that when hopper and fan are disassembled and assembled, multiple locks need to be operated one by one, so that the disassembly and assembly efficiency of hopper and fan is low, and thus the disassembly and repair efficiency of material suction machine is affected, and therefore it needs to be improved. SUMMARY

[0003] The utility model mainly aims at providing a kind of anti-stuck material hopper and material suction machine based on proximity switch, which can effectively solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model takes the technical scheme as follows: an anti-stuck material hopper based on proximity switch, comprising a hopper structure, a base is fixedly installed at the lower end of the hopper structure, a material blocking plate is rotatably installed on the base, a proximity switch is fixedly installed on the base, the proximity switch is connected with the material blocking plate, two first supports are symmetrically fixedly installed on the outer wall of the hopper structure, four second supports are symmetrically fixedly installed on the outer wall of the hopper structure, a limiting component is movably installed on the hopper structure and the two first supports, the limiting component is composed of a C-shaped plate and an extrusion block, the extrusion block has four and is symmetrically fixedly installed on the upper end of the C-shaped plate, a fixing component is movably installed on the four second supports, the fixing component is composed of a contact block, a clamping frame and a ring spring, the contact block and the clamping frame are provided with four, and the clamping frame is fixedly installed on the upper end of the contact block, the ring spring is installed on the four contact blocks.

[0005] Preferably, a material suction pipe is fixedly installed on the wall of the hopper structure.

[0006] Preferably, the first support is composed of a base rod and a baffle, the baffle is symmetrically fixedly installed at the upper and lower ends of the base rod, and the base rod and the baffle are fixedly installed on the outer wall of the hopper structure.

[0007] Preferably, the second support is composed of a guide rod and an anti-dropping plate, the anti-dropping plate is fixedly installed at the outer end of the guide rod, and the guide rod is fixedly installed on the outer wall of the hopper structure.

[0008] Preferably, a through hole is formed in the contact block on the fixing assembly, the contact block is slidably installed on the guide rod through the through hole, an arc-shaped groove is formed in the outer wall of the contact block, and the annular spring is installed in the four arc-shaped grooves formed in the outer walls of the four contact blocks.

[0009] Preferably, the C-shaped plate of the limiting assembly is slidably sleeved on the hopper structure, two clamping grooves are symmetrically formed in the inner wall of the C-shaped plate, the C-shaped plate is slidably installed on the base rod through the clamping grooves, a through groove is formed in the upper end of the extrusion block, the extrusion block is movably sleeved on the guide rod through the through groove, and the extrusion block is inserted into the inner side of the contact block.

[0010] A suction machine comprises a hopper structure and further comprises a high-pressure fan, the high-pressure fan is installed on the hopper structure through a fixing assembly, and an exhaust pipe is fixedly installed on the high-pressure fan.

[0011] Compared with the prior art, the utility model has the advantages that: by setting the proximity switch, cooperating with the vacuum hopper structure, when the pressure is lost, the material itself gravity is used to break the blocking plate, so that the material enters other equipment, and the purpose of not easy to block the material is achieved; by setting the first support, the second support, the limiting assembly and the fixing assembly, and simultaneously connecting the hopper structure and the high-pressure fan through the fixing assembly, the dismounting efficiency of the hopper structure and the high-pressure fan is high, thereby facilitating the dismounting and maintenance of the hopper structure and the high-pressure fan, and finally the maintenance efficiency of the hopper structure and the high-pressure fan is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a top view of the overall structure of the utility model;

[0013] Figure 2 It is a bottom view of the overall structure of the utility model;

[0014] Figure 3 It is a structure schematic view of the hopper structure, the first support and the second support of the utility model;

[0015] Figure 4 It is a position relation structure schematic view of the first support, the second support, the limiting assembly and the fixing assembly of the utility model;

[0016] Figure 5The utility model discloses a limiting assembly's structure schematic drawing of the utility model.

[0017] Figure 6 The utility model discloses a fixing assembly's structure schematic drawing.

[0018] In the drawing: 1, hopper structure, 2, high pressure fan, 3, first support, 4, second support, 5, limiting assembly, 6, fixing assembly, 7, base, 8, material blocking plate, 9, proximity switch, 10, suction pipe, 11, exhaust pipe, 12, base rod, 13, baffle, 14, guide rod, 15, anti -drop board, 16, C-shaped plate, 17, extrusion block, 18, clamping groove, 19, through slot, 20, contact block, 21, clamping frame, 22, annular spring, 23, through -hole, 24, arc slot. DETAILED DESCRIPTION

[0019] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] Please refer to Figures 1-6 As shown in the figure, a kind of anti-stuck material hopper based on proximity switch, including hopper structure 1, the lower end of hopper structure 1 is fixedly installed with base 7, base 7 is rotatably installed with material blocking plate 8, base 7 is fixedly installed with proximity switch 9, proximity switch 9 is connected with material blocking plate 8, the function of proximity switch 9 is only to detect the opening and closing state of material blocking plate 8, two first supports 3 are symmetrically fixedly installed on the outer wall of hopper structure 1, four second supports 4 are symmetrically fixedly installed on the outer wall of hopper structure 1, one limiting assembly 5 is movably installed on hopper structure 1 and two first supports 3, limiting assembly 5 is composed of C-shaped plate 16 and extrusion block 17, extrusion block 17 has four and is symmetrically fixedly installed on the upper end of C-shaped plate 16, one fixing assembly 6 is movably installed on four second supports 4, and fixing assembly 6 is composed of contact block 20, clamping frame 21 and annular spring 22, contact block 20 and clamping frame 21 are all provided with four, and clamping frame 21 is fixedly installed on the upper end of contact block 20, annular spring 22 is installed on four contact blocks 20, when needing to split maintenance hopper structure 1 and high pressure fan 2, limiting assembly 5 can be first pushed upwards, to push contact block 20 and clamping frame 21 on fixing assembly 6 and move outward on second support 4, so that clamping frame 21 is separated from hopper structure 1 and high pressure fan 2, at this moment, the fixing of hopper structure 1 and high pressure fan 2 is released, and then hopper structure 1 and high pressure fan 2 can be split open and maintained.

[0021] Further, the wall body of the hopper structure 1 is fixedly installed with a suction pipe 10, the first support 3 is composed of a base rod 12 and a baffle 13, the baffle 13 is two and symmetrically fixedly installed at the upper and lower ends of the base rod 12, the base rod 12 and the baffle 13 are fixedly installed on the outer wall of the hopper structure 1, the second support 4 is composed of a guide rod 14 and a anti-off plate 15, the anti-off plate 15 is fixedly installed at the outer end of the guide rod 14, the guide rod 14 is fixedly installed on the outer wall of the hopper structure 1, the contact block 20 on the fixed assembly 6 is provided with a through hole 23, the contact block 20 is slidably installed on the guide rod 14 through the through hole 23, the outer wall of the contact block 20 is provided with an arc-shaped groove 24, the annular spring 22 is installed in the four arc-shaped grooves 24 provided on the outer wall of the four contact blocks 20, the C-shaped plate 16 on the limiting assembly 5 is slidably sleeved on the hopper structure 1, the inner wall of the C-shaped plate 16 is symmetrically provided with two clamping grooves 18, the C-shaped plate 16 is slidably installed on the base rod 12 through the clamping grooves 18, the upper end of the extrusion block 17 is provided with a through slot 19, the extrusion block 17 is movably sleeved on the guide rod 14 through the through slot 19, the extrusion block 17 is inserted into the inner side of the contact block 20 at the same time, when the limiting assembly 5 is pushed upward, the limiting assembly 5 will move upward on the base rod 12 of the first support 3, at this time, the extrusion block 17 will push the contact block 20 and the clamping frame 21 on the fixed assembly 6 outward, at this time, the contact block 20 will slide outward on the guide rod 14, and the annular spring 22 will be stretched and deformed, when the clamping frame 21 is separated from the hopper structure 1 and the high-pressure fan 2, the fixing between the hopper structure 1 and the high-pressure fan 2 is released; conversely, when the limiting assembly 5 is pushed downward, the contact block 20 and the clamping frame 21 will slide inward on the guide rod 14 under the elastic force of the annular spring 22, and finally when the clamping frame 21 is sleeved on the hopper structure 1 and the high-pressure fan 2, the hopper structure 1 and the high-pressure fan 2 are fixed together.

[0022] Please refer to Figures 1-6 As shown in the figure, a suction machine, comprising a hopper structure 1, further comprising a high-pressure fan 2, the high-pressure fan 2 is installed on the hopper structure 1 through a fixed assembly 6, the high-pressure fan 2 is fixedly installed with an exhaust pipe 11, in use, the suction pipe 10 on the hopper structure 1 needs to be connected with a storage cylinder, at the same time, the base 7 needs to be fixed on the equipment of the required material, when the high-pressure fan 2 works, the air in the hopper structure 1 will be extracted, at the same time, the blocking plate 8 is closed, so that the negative pressure is generated in the hopper structure 1, under the action of the negative pressure, the material in the storage cylinder is sucked into the hopper structure 1 through the suction pipe 10, when the set time is reached, the high-pressure fan 2 stops working, under the influence of gravity, the blocking plate 8 is automatically opened, the material flows out of the hopper structure 1, and then enters other equipment.

[0023] Finally, by setting the proximity switch 9, cooperate with the vacuum hopper structure 1, when pressure loss, using the material itself gravity, rush open the material blocking plate 8, so that the material into other equipment, achieve not easy to block the purpose; by setting the first support 3, the second support 4, the limiting assembly 5, the fixed assembly 6, while the hopper structure 1 and the high pressure fan 2 are connected through the fixed assembly 6, the dismounting efficiency of the hopper structure 1 and the high pressure fan 2 can be higher, thereby being favorable for the dismounting and overhauling of the hopper structure 1 and the high pressure fan 2, finally the overhauling efficiency of the hopper structure 1 and the high pressure fan 2 can be improved.

[0024] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application. The protection scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A kind of anti-stuck hopper based on proximity switch, including hopper structure (1), the lower end of the hopper structure (1) is fixedly installed with base (7), the base (7) is rotatably installed with material blocking plate (8), it is characterized by: The base (7) is fixedly installed with a proximity switch (9) connected with the blocking plate (8), the outer wall of the hopper structure (1) is fixedly installed with two first supports (3) symmetrically, the outer wall of the hopper structure (1) is fixedly installed with four second supports (4) symmetrically, the hopper structure (1) and the two first supports (3) are movably installed with a limiting assembly (5), the limiting assembly (5) is composed of a C-shaped plate (16) and an extrusion block (17), the extrusion block (17) is four and is fixedly installed on the upper end of the C-shaped plate (16) symmetrically, the four second supports (4) are movably installed with a fixing assembly (6), the fixing assembly (6) is composed of a contact block (20), a clamping frame (21) and a ring spring (22), the contact block (20) and the clamping frame (21) are provided with four, and the clamping frame (21) is fixedly installed on the upper end of the contact block (20), and the ring spring (22) is installed on the four contact blocks (20).

2. A bridging prevention hopper based on proximity switches according to claim 1, characterized in that: The wall of the hopper structure (1) is fixedly installed with a suction pipe (10).

3. A bridging prevention hopper based on proximity switches according to claim 2, characterized in that: The first support (3) is composed of a base rod (12) and a baffle (13), the baffle (13) is two and is fixedly installed on the upper and lower ends of the base rod (12) symmetrically, and the base rod (12) and the baffle (13) are fixedly installed on the outer wall of the hopper structure (1).

4. A bridging prevention hopper based on proximity switches according to claim 3, characterized in that: The second support (4) is composed of a guide rod (14) and an anti-dropping plate (15), the anti-dropping plate (15) is fixedly installed on the outer end of the guide rod (14), and the guide rod (14) is fixedly installed on the outer wall of the hopper structure (1).

5. A bridging prevention hopper based on proximity switches according to claim 4, characterized in that: The contact block (20) on the fixing assembly (6) is provided with a through hole (23), the contact block (20) is slidably installed on the guide rod (14) through the through hole (23), the outer wall of the contact block (20) is provided with an arc-shaped groove (24), and the ring spring (22) is installed in the four arc-shaped grooves (24) formed on the outer wall of the four contact blocks (20).

6. A bridging prevention hopper based on proximity switches according to claim 5, characterized in that: The C-shaped plate (16) on the limiting assembly (5) is slidably sleeved on the hopper structure (1), the inner wall of the C-shaped plate (16) is symmetrically provided with two clamping grooves (18), the C-shaped plate (16) is slidably installed on the base rod (12) through the clamping grooves (18), the upper end of the extrusion block (17) is provided with a through groove (19), the extrusion block (17) is movably sleeved on the guide rod (14) through the through groove (19), and the extrusion block (17) is inserted into the inner side of the contact block (20) at the same time.

7. A suction device, characterized in that The hopper structure (1) of any one of claims 1-6 further comprises a high-pressure fan (2), the high-pressure fan (2) is installed on the hopper structure (1) through the fixing assembly (6), and the high-pressure fan (2) is fixedly installed with an exhaust pipe (11).

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