Negative pressure air conveying device for crushing materials

Abstract

The utility model discloses a negative pressure air conveying device for crushing materials, and relates to the technical field of material conveying. The material guide pipe is easy to shake when being subjected to external force, so that the joint of the material guide pipe and the material storage hopper is easy to fall off, and the material suction work of the material guide pipe is influenced. The device comprises a storage hopper and a fixing mechanism, the fixing mechanism is arranged above one end of the storage hopper, the fixing mechanism comprises a connecting pipe arranged above one end of the storage hopper, a material guide pipe is arranged at the bottom end of the connecting pipe, and a connecting seat is arranged at the bottom end of the material guide pipe. By arranging the conical hopper, the fixing mechanism, the connecting pipe, the material guide pipe, the connecting base, the fixing base, the clamping block, the spring, the connecting rod and the material storage hopper, the connecting base is inserted into the fixing base, the clamping block can be pushed to be inserted into the connecting base through the spring, the material guide pipe can be fixed, the material guide pipe is prevented from moving as much as possible, and the material storage hopper is convenient to use. And the working stability of the material guide pipe is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of material transportation, in particular to a negative pressure air conveying device for crushing materials. Background Art

[0002] Negative pressure air conveying devices are generally used for conveying products such as granular materials, powders, flake materials, and strip materials. They are widely used across various industries. They offer high precision, save time and effort, and significantly reduce labor intensity, lowering labor costs and conserving human resources. They truly achieve low costs and high returns. In today's rapidly developing world, this type of automated product is increasingly favored by manufacturers.

[0003] Regarding the above-mentioned related technologies, the applicant believes that when the device is working, the material guide tube is placed inside the conical hopper to facilitate the suction of materials. The material guide tube is against the inner wall of the conical hopper, and it is easy to shake when subjected to external force, which makes the connection between the material guide tube and the storage hopper easy to fall off, thereby affecting the material suction work of the material guide tube. Utility Model Content

[0004] The purpose of the utility model is to provide a negative pressure air conveying device for crushing materials, so as to solve the problem raised in the above background technology that the material guide pipe is prone to shaking when subjected to external force, thereby making the connection between the material guide pipe and the storage hopper prone to falling off, thereby affecting the material suction work of the material guide pipe.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a negative pressure air conveying device for crushing materials, comprising a storage hopper and a fixing mechanism, the fixing mechanism is arranged above one end of the storage hopper, the fixing mechanism comprises a connecting pipe arranged above one end of the storage hopper, the bottom end of the connecting pipe is provided with a material guide pipe, the bottom end of the material guide pipe is provided with a connecting seat, the bottom end of the connecting seat is provided with a fixing seat, a connecting rod is provided through the interior of the fixing seat, a spring is provided on the outside of the connecting rod, and a blocking block is provided at one end of the connecting rod close to the connecting seat; a conical hopper, the conical hopper is arranged at the bottom end of the material guide pipe, and the fixing seat is arranged above the conical hopper close to one end of the storage hopper.

[0006] By adopting the above technical solution, by inserting the connecting seat into the interior of the fixed seat, the spring can be used to push the card block into the interior of the connecting seat, so that the guide tube can be fixed, and the movement of the guide tube can be avoided as much as possible, thereby effectively improving the stability of the guide tube during operation.

[0007] Preferably, an installation mechanism is provided on the outside of the material guide tube, and the installation mechanism includes a stop block arranged above the outside of the material guide tube, a limiting sleeve is provided for sliding on the outside of the material guide tube, a sealing gasket is provided at the bottom end of the limiting sleeve, and the sealing gasket is provided above the outside of the material guide tube, and external threads are evenly provided below the outside of the connecting tube.

[0008] By adopting the above technical solution, the limiting sleeve can be separated from the connecting pipe by rotating the limiting sleeve, thereby facilitating the separation of the material guide pipe from the connecting pipe and facilitating the replacement of material guide pipes of different lengths.

[0009] Preferably, a discharge pipe is provided through the bottom end of the storage hopper, and a control valve is provided on the discharge pipe.

[0010] By adopting the above technical solution, the sucked crushed material can be discharged by opening the control valve outside the discharge pipe.

[0011] Preferably, support legs are evenly arranged at the bottom end of the storage hopper, and anti-slip pads are arranged at the bottom ends of the support legs.

[0012] By adopting the above technical solution, the friction force at the bottom end of the supporting leg can be increased, thereby improving the stability of the storage hopper during operation.

[0013] Preferably, a negative pressure mechanism is provided at the end of the storage hopper away from the connecting pipe, and the negative pressure mechanism includes an accessory box arranged above the end of the storage hopper away from the connecting pipe, a negative pressure pump is provided at the bottom end of the accessory box, an air suction pipe is provided at the input end of the negative pressure pump, a fixed frame is provided at the top end of the storage hopper, a filter layer is provided inside the fixed frame, and the end of the air suction pipe away from the negative pressure pump is inserted into the interior of the fixed frame.

[0014] By adopting the above technical solution, a negative pressure space can be formed inside the storage hopper, and the crushed materials stored inside the conical hopper can be sucked into the storage hopper through the guide pipe and the connecting pipe.

[0015] Preferably, a door is hinged on one side of the accessory box, and a control switch is provided on the outer side of the door.

[0016] By adopting the above technical solution, the accessories inside the accessory box can be easily inspected and repaired.

[0017] Preferably, a thread groove is provided inside the limiting sleeve, and the thread groove matches the external thread.

[0018] By adopting the above technical solution, the limiting sleeve can be easily fixed.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. The conical hopper, fixing mechanism, connecting pipe, guide pipe, connecting seat, fixing seat, clamping block, spring, connecting rod and storage hopper are provided. By inserting the connecting seat into the inside of the fixing seat, the clamping block can be pushed into the inside of the connecting seat by the spring, so that the guide pipe can be fixed and the movement of the guide pipe can be avoided as much as possible, thereby effectively improving the stability of the guide pipe during operation.

[0021] 2. By providing a connecting pipe, a material guide pipe, an installation mechanism, a limit sleeve, a block, an external thread and a sealing gasket, the limit sleeve can be separated from the connecting pipe by rotating the limit sleeve, thereby facilitating the separation of the material guide pipe from the connecting pipe, thereby facilitating the replacement of material guide pipes of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the main body of the device of the utility model;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the accessory box of the utility model;

[0024] Figure 3 This is a schematic diagram of the front view structure of the device main body of the utility model;

[0025] Figure 4 This is a schematic diagram of the internal structure of the fixing seat of the utility model;

[0026] Figure 5 For this utility model Figure 1 Enlarged structural diagram at point A in the middle

[0027] Figure 6 It is an enlarged structural diagram of the limiting sleeve of the utility model.

[0028] In the figure: 1. Conical hopper; 2. Fixing mechanism; 201. Connecting pipe; 202. Material guide pipe; 203. Connecting seat; 204. Fixing seat; 205. Block; 206. Spring; 207. Connecting rod; 3. Discharge pipe; 4. Support legs; 5. Storage hopper; 6. Negative pressure mechanism; 601. Accessory box; 602. Suction pipe; 603. Box door; 604. Control switch; 605. Negative pressure pump; 606. Filter layer; 607. Fixing frame; 7. Installation mechanism; 701. Limiting sleeve; 702. Block; 703. External thread; 704. Sealing gasket. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0030] Example 1

[0031] See also Figures 1 to 6 The utility model provides a technical solution: a negative pressure air conveying device for crushing materials, including a storage hopper 5 and a fixing mechanism 2, the fixing mechanism 2 is arranged above one end of the storage hopper 5, the fixing mechanism 2 includes a connecting pipe 201 arranged above one end of the storage hopper 5, and the connecting pipe 201 can provide bearing capacity; the bottom end of the connecting pipe 201 is provided with a guide pipe 202, which is convenient for sucking the crushed materials; the bottom end of the guide pipe 202 is provided with a connecting seat 203, and the bottom end of the connecting seat 203 is provided with a fixing seat 204, which can provide bearing capacity; the interior of the fixing seat 204 is penetrated by a connecting rod 207, and the outer sleeve of the connecting rod 207 is provided with a spring 206. A clamping block 205 is provided at one end of the connecting rod 207 near the connecting seat 203. By inserting the connecting seat 203 on the guide tube 202 into the interior of the fixed seat 204, the elasticity of the spring 206 can be used to push the clamping block 205 to be inserted into the interior of the connecting seat 203, so as to fix the guide tube 202 and avoid the guide tube 202 from moving when the device is working, thereby effectively improving the stability of the guide tube 202 when working; the conical hopper 1 is convenient for fully crushing the material; the conical hopper 1 is arranged at the bottom end of the guide tube 202, and the fixed seat 204 is arranged above the end of the conical hopper 1 near the storage hopper 5, which can facilitate the fixation of the fixed seat 204.

[0032] Example 2

[0033] The outside of the guide tube 202 is provided with a mounting mechanism 7, which includes a stopper 702 arranged above the outside of the guide tube 202. The outside of the guide tube 202 is slidingly provided with a limiting sleeve 701, and the bottom end of the limiting sleeve 701 is provided with a sealing gasket 704, which can improve the sealing of the connection between the connecting tube 201 and the guide tube 202; the sealing gasket 704 is arranged above the outside of the guide tube 202, and the outside of the connecting tube 201 is evenly provided with external threads 703. The inside of the limiting sleeve 701 is provided with a thread groove, which coincides with the external thread 703. By rotating the limiting sleeve 701, the internal thread groove of the limiting sleeve 701 can be separated from the external thread 703 on the connecting tube 201, thereby facilitating the removal of the limiting sleeve 701 from the connecting tube 201, and the guide tube 202 can be separated from the connecting tube 201, thereby facilitating the replacement of guide tubes 202 of different lengths.

[0034] Example 3

[0035] A discharge pipe 3 is provided through the bottom end of the interior of the accumulator 5, and a control valve is provided on the discharge pipe 3. The crushed material sucked in can be discharged by opening the control valve outside the discharge pipe 3; support legs 4 are evenly provided at the bottom end of the accumulator 5, which can conveniently support the accumulator 5; the bottom ends of the support legs 4 are provided with anti-skid pads, which can increase the friction force at the bottom ends of the support legs 4 and improve the stability of the accumulator 5 during operation; a negative pressure mechanism 6 is provided at the end of the accumulator 5 away from the connecting pipe 201, and the negative pressure mechanism 6 includes an accessory box 601 provided above the end of the accumulator 5 away from the connecting pipe 201, which is convenient for protecting the accessories inside the accessory box 601; a negative pressure pump 605 is provided at the bottom end of the interior of the accessory box 601, and the input end of the negative pressure pump 605 is provided with a An air suction pipe 602 is provided, and a fixed frame 607 is provided at the top of the storage hopper 5. A filter layer 606 is provided inside the fixed frame 607, and the end of the air suction pipe 602 away from the negative pressure pump 605 is inserted into the inside of the fixed frame 607; a box door 603 is hinged on one side of the accessory box 601, and a control switch 604 is provided on the outside of the box door 603. The control switch 604 is used to start the negative pressure pump 605, and the air inside the storage hopper 5 is sucked out through the air suction pipe 602, so that a negative pressure space is formed inside the storage hopper 5, and the crushed material stored in the conical hopper 1 can be sucked into the storage hopper 5 through the guide pipe 202 and the connecting pipe 201.

[0036] Working principle: First, turn on the power supply, and by placing the guide tube 202 against the inner wall of the conical hopper 1, the connecting seat 203 on the guide tube 202 can be inserted into the interior of the fixing seat 204. The elasticity of the spring 206 can be used to push the clamping block 205 into the interior of the connecting seat 203, so as to fix the guide tube 202 and avoid the guide tube 202 from moving when the device is working, thereby effectively improving the stability of the guide tube 202 when working;

[0037] Secondly, the negative pressure pump 605 is started by controlling the switch 604 to suck out the air inside the hopper 5 through the suction pipe 602, so that a negative pressure space is formed inside the hopper 5. The crushed materials stored inside the conical hopper 1 can be sucked into the hopper 5 through the guide pipe 202 and the connecting pipe 201. Then, the sucked crushed materials can be discharged by opening the control valve outside the discharge pipe 3, thereby facilitating the transportation of the crushed materials inside the conical hopper 1.

[0038] Finally, by rotating the limit sleeve 701, the internal thread groove of the limit sleeve 701 can be separated from the external thread 703 on the connecting tube 201, thereby facilitating the removal of the limit sleeve 701 from the connecting tube 201, and the guide tube 202 can be separated from the connecting tube 201, thereby facilitating the replacement of guide tubes 202 of different lengths, effectively improving the applicability of the device.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A negative pressure air conveying device for crushing materials, characterized by: include: Storage hopper; A fixing mechanism is provided above one end of the material storage hopper, comprising a connecting pipe provided above one end of the material storage hopper, a material guide pipe provided at the bottom end of the connecting pipe, a connecting seat provided at the bottom end of the material guide pipe, a fixing seat provided at the bottom end of the connecting seat, a connecting rod provided inside the fixing seat, a spring provided on the outside of the connecting rod, and a clamping block provided at one end of the connecting rod close to the connecting seat; The conical hopper is arranged at the bottom end of the material guide pipe, and the fixing seat is arranged above one end of the conical hopper close to the material storage hopper.

2. A negative pressure air conveying device for crushing materials according to claim 1, characterized in that: The outside of the material guide tube is provided with an installation mechanism, and the installation mechanism includes a stop block arranged above the outside of the material guide tube. The outside of the material guide tube is provided with a limiting sleeve for sliding. The bottom end of the limiting sleeve is provided with a sealing gasket, which is arranged above the outside of the material guide tube. External threads are evenly arranged below the outside of the connecting tube.

3. The negative pressure air conveying device for crushing materials according to claim 1, characterized in that: A discharge pipe is provided through the bottom end of the storage hopper, and a control valve is provided on the discharge pipe.

4. The negative pressure air conveying device for crushing materials according to claim 1, characterized in that: The bottom end of the storage hopper is evenly provided with support legs, and the bottom end of the support legs is provided with anti-slip pads.

5. The negative pressure air conveying device for crushing materials according to claim 1, characterized in that: A negative pressure mechanism is provided at the end of the storage hopper away from the connecting pipe, and the negative pressure mechanism includes an accessory box arranged above the end of the storage hopper away from the connecting pipe, a negative pressure pump is provided at the bottom end of the accessory box, an air suction pipe is provided at the input end of the negative pressure pump, a fixed frame is provided at the top end of the storage hopper, a filter layer is provided inside the fixed frame, and the end of the air suction pipe away from the negative pressure pump is inserted into the interior of the fixed frame.

6. A negative pressure air conveying device for crushing materials according to claim 5, characterized in that: A box door is hinged on one side of the accessory box, and a control switch is arranged on the outer side of the box door.

7. The negative pressure air conveying device for crushing materials according to claim 2, characterized in that: A thread groove is provided inside the limiting sleeve, and the thread groove matches the external thread.

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