Vacuum charging machine

Abstract

The utility model discloses a vacuum charging machine which comprises a vacuum pump, a secondary filtering barrel is arranged at the input end of the vacuum pump, a vacuum pipe is arranged on the outer side of the air inlet end of the secondary filtering barrel in a sleeved mode, a vacuum hopper is arranged at the input end of the vacuum pipe, and a supporting assembly is arranged at the top of the secondary filtering barrel and comprises a fixing ring plate arranged at the top of the secondary filtering barrel. A movable ring plate is arranged on the side of the fixed ring plate, locking components are symmetrically arranged at the joint of the fixed ring plate and the movable ring plate, and buffer components are arranged in inner cavities of the fixed ring plate and the movable ring plate; the fixed annular plate, the movable annular plate and the locking component in the supporting assembly are used for supporting the joint of the vacuum pipe and the air inlet end of the secondary filtering barrel, the buffering component on the inner side of the supporting assembly is used for flexibly supporting the vacuum pipe, the vacuum pipe can be supported through the design in the air exhaust shaking process of the flexible vacuum pipe, and the vacuum pipe is prevented from being damaged. And repeated bending abrasion of the connecting pipe between the vacuum pipe and the air inlet end of the secondary filter barrel due to shaking is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum feeding equipment, in particular to a vacuum feeding machine. Background Art

[0002] The vacuum feeder is an efficient, clean and dust-free material conveying equipment. It uses a vacuum pump to generate negative pressure inside the system, sucks the material through the suction nozzle, and then transports it to the destination through a closed conveying pipe. The machine is composed of a vacuum pump, a vacuum hopper, a filter, a compressed air backblowing device, a pneumatic discharge door device, a material level automatic control device, a stainless steel suction nozzle and a conveying hose. The suction end of the vacuum pump is provided with a secondary filter barrel, and the top is connected to a vacuum tube for connecting the vacuum hopper. The vacuum tube is made of a flexible material. During the vacuuming process, the vacuum tube will continue to shake, causing the end of the vacuum tube to continue to fatigue and bend at the connection with the secondary filter barrel, causing the vacuum tube at this location to be easily bent and worn. In order to solve the problem of vacuum tube wear caused by vacuum tube shaking, a new type of vacuum feeder is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a vacuum feeder to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vacuum feeder, including a vacuum pump, a secondary filter barrel is provided at the input end of the vacuum pump, a vacuum tube is sleeved on the outer side of the air inlet end of the secondary filter barrel, a vacuum hopper is provided at the input end of the vacuum tube, a support assembly for preventing the vacuum tube from bending and wearing is provided on the top of the secondary filter barrel, the support assembly includes a fixed ring plate provided on the top of the secondary filter barrel, a movable ring plate is provided on the side of the fixed ring plate, locking components for locking the fixed ring plate and the movable ring plate are symmetrically provided at the connection between the fixed ring plate and the movable ring plate, and buffer components are provided in the inner cavities of the fixed ring plate and the movable ring plate.

[0005] Preferably, the locking member includes a socket sleeve arranged on the outside of the fixed ring plate and an insertion sleeve arranged on the outside of the movable ring plate, the end of the insertion sleeve is inserted and connected to the inner cavity of the socket sleeve, an insertion rod is arranged inside the insertion sleeve, an insertion block is inserted and connected to the side of the insertion rod, the side of the insertion block is inserted and connected to the connection between the socket sleeve and the insertion sleeve, and a rebound part for driving the insertion rod to move is arranged on the outside of the insertion rod.

[0006] Preferably, an extrusion groove for inserting the insert block is formed on the outer side of the insert rod, and an annular groove for locking the insert block is formed on the inner wall of the socket sleeve.

[0007] Preferably, the rebound portion comprises a pressure ring and a compression spring, both of which are sleeved on the outside of the insertion rod, and the compression spring is arranged at one end of the pressure ring close to the socket sleeve.

[0008] Preferably, the inner wall of the insertion sleeve is provided with a deformation groove for accommodating a pressure ring and a compression spring.

[0009] Preferably, the buffer component includes a sponge block arranged on the inner walls of the fixed ring plate and the movable ring plate.

[0010] Preferably, a feeding pipe for connecting a suction hose is provided on the side of the vacuum hopper.

[0011] Technical effects and advantages of the utility model:

[0012] The utility model provides a supporting assembly on the top of the secondary filter barrel, and utilizes the fixed ring plate, movable ring plate and locking component in the supporting assembly to support the connection between the vacuum tube and the air inlet end of the secondary filter barrel, and the buffer component inside thereof provides flexibly support for the vacuum tube. This design can support the vacuum tube during the process of the flexible vacuum tube being pumped and shaken, thereby preventing the connection pipe between the vacuum tube and the air inlet end of the secondary filter barrel from being repeatedly bent and worn due to shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a cross-sectional view of the connection between the vacuum tube and the secondary filter barrel of the utility model.

[0015] Figure 3 It is a cross-sectional view of the locking component of the utility model.

[0016] In the figure: 1. vacuum pump; 2. secondary filter barrel; 3. vacuum tube; 4. fixed ring plate; 5. movable ring plate; 6. locking member; 601. socket sleeve; 6011. annular groove; 602. insertion sleeve; 6021. deformation groove; 603. insertion rod; 6031. extrusion groove; 604. insertion block; 605. pressure ring; 606. compression spring; 7. sponge block; 8. vacuum hopper; 801. feeding pipe. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The utility model provides Figure 1-3 The vacuum feeder shown comprises a vacuum pump 1, a secondary filter barrel 2 is provided at the input end of the vacuum pump 1, a vacuum tube 3 is sleeved on the outer side of the air inlet end of the secondary filter barrel 2, a vacuum hopper 8 is provided at the input end of the vacuum tube 3, and a feeding pipe 801 for connecting a suction hose is provided on the side of the vacuum hopper 8;

[0019] It should be noted that the overall reference model composed of the vacuum pump 1, the secondary filter barrel 2, the vacuum tube 3 and the vacuum hopper 8 is the working principle of the ZKS vacuum feeder, and a clamp is provided on the outer side of the vacuum tube 3 to fix the vacuum tube 3 and the air inlet end of the secondary filter barrel 2;

[0020] A support assembly is provided on the top of the secondary filter barrel 2 to prevent the vacuum tube 3 from bending and wearing;

[0021] Specifically, the support assembly includes a fixed ring plate 4 disposed on the top of the secondary filter barrel 2, a movable ring plate 5 is disposed on the side of the fixed ring plate 4, and a buffer component is disposed in the inner cavity of the fixed ring plate 4 and the movable ring plate 5;

[0022] Specifically, the buffer member includes a sponge block 7 arranged on the inner wall of the fixed ring plate 4 and the movable ring plate 5. There are two sponge blocks 7, which are glued to the inner wall of the fixed ring plate 4 and the movable ring plate 5 respectively. The sponge blocks 7 can alleviate the shaking of the vacuum tube 3 and support the vacuum tube 3. Together, they can prevent the vacuum tube 3 from shaking fatigue bending.

[0023] A locking member 6 for locking the fixed ring plate 4 and the movable ring plate 5 is symmetrically arranged at the connection between the fixed ring plate 4 and the movable ring plate 5;

[0024] It should be noted that the fixed ring plate 4 is welded and fixed to the top of the secondary filter barrel 2, and the movable ring plate 5 is not directly fixed to the secondary filter barrel 2;

[0025] Specifically, the locking member 6 includes a socket sleeve 601 arranged on the outside of the fixed ring plate 4 and an interpenetrating sleeve 602 arranged on the outside of the movable ring plate 5, the end of the interpenetrating sleeve 602 is interpenetrated and connected to the inner cavity of the socket sleeve 601, an insertion rod 603 is arranged inside the interpenetrating sleeve 602, the side of the insertion rod 603 is interpenetrated and connected with an insertion block 604, and the side of the insertion block 604 is interpenetrated and connected to the connection between the socket sleeve 601 and the interpenetrating sleeve 602;

[0026] It should be noted that the socket sleeve 601 is welded and fixed to the outer side of the fixed ring plate 4, the connection between the insertion sleeve 602 and the movable ring plate 5 is welded and fixed, the inner wall of the insertion sleeve 602 is provided with a through hole for the insertion of the plug block 604, the outer side of the insertion rod 603 is provided with an extrusion groove 6031 for the insertion of the plug block 604, and the inner wall of the socket sleeve 601 is provided with an annular groove 6011 for locking the plug block 604.

[0027] Specifically, the inner wall of the extrusion groove 6031 is provided with a protrusion for extruding the plug block 604, and the plug block 604 enters the annular groove 6011 through the through hole, and the side of the plug block 604 is set as an inclined surface to facilitate its removal from the annular groove 6011;

[0028] The outer side of the insertion rod 603 is provided with a rebound portion for driving the insertion rod 603 to move;

[0029] Specifically, the rebound part includes a pressure ring 605 and a compression spring 606, both of which are sleeved on the outside of the insertion rod 603, and the compression spring 606 is arranged at one end of the pressure ring 605 close to the socket sleeve 601;

[0030] It should be noted that the middle part of the pressure ring 605 is bonded to the outer side of the insertion rod 603 by glue, and the inner wall of the insertion sleeve 602 is provided with a deformation groove 6021 for placing the pressure ring 605 and the compression spring 606, and the cross-sectional radius of the compression spring 606 is larger than the cross-sectional radius of the inner cavity of the insertion sleeve 602.

[0031] During use, the staff first sets the vacuum tube 3 and the air inlet end of the secondary filter barrel 2, and fixes them with a clamp, then presses the plug rod 603 on the side of the movable ring plate 5, so that the pressure ring 605 squeezes the compression spring 606, and then the plug rod 603 moves, presses the plug block 604 into the through hole, inserts the insertion sleeve 602 into the socket sleeve 601, loosens the plug rod 603, and the compression spring 606 drives the plug rod 603 to reset, and the protrusion in the extrusion groove 6031 squeezes the plug block 604, so that the plug block 604 protrudes out of the through hole and enters the annular groove 6011, thereby realizing the locking of the socket sleeve 601 and the insertion sleeve 602. During disassembly, press the insertion rod 603 and pull the movable ring plate 5 so that the inner wall of the annular groove 6011 squeezes the insertion block 604, so that the insertion block 604 retreats into the through hole, and the socket sleeve 601 and the insertion sleeve 602 are disassembled. The fixed ring plate 4, the movable ring plate 5 and the locking member 6 in the support assembly are used to support the connection between the vacuum tube 3 and the air inlet end of the secondary filter barrel 2, and the buffer member on the inside thereof provides flexibly support for the vacuum tube 3. This design can support the vacuum tube 3 during the process of the flexible vacuum tube 3 being pumped and shaken, thereby preventing the connection pipe between the vacuum tube 3 and the air inlet end of the secondary filter barrel 2 from being repeatedly bent and worn due to shaking.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum feeder, comprising a vacuum pump (1), wherein the input end of the vacuum pump (1) is provided with a secondary filter barrel (2), characterized in that: A vacuum tube (3) is sleeved on the outer side of the air inlet end of the secondary filter barrel (2), a vacuum hopper (8) is provided at the input end of the vacuum tube (3), a support assembly for preventing the vacuum tube (3) from bending and wearing is provided at the top of the secondary filter barrel (2), the support assembly comprises a fixed ring plate (4) provided at the top of the secondary filter barrel (2), a movable ring plate (5) is provided on the side of the fixed ring plate (4), locking components (6) for locking the fixed ring plate (4) and the movable ring plate (5) are symmetrically provided at the connection between the fixed ring plate (4) and the movable ring plate (5), and buffer components are provided in the inner cavities of the fixed ring plate (4) and the movable ring plate (5).

2. The vacuum feeder according to claim 1, characterized in that: The locking member (6) comprises a socket sleeve (601) arranged on the outside of the fixed ring plate (4) and an insertion sleeve (602) arranged on the outside of the movable ring plate (5), the end of the insertion sleeve (602) is inserted and connected to the inner cavity of the socket sleeve (601), an insertion rod (603) is arranged inside the insertion sleeve (602), the side of the insertion rod (603) is inserted and connected to an insertion block (604), the side of the insertion block (604) is inserted and connected to the connection between the socket sleeve (601) and the insertion sleeve (602), and a rebound part for driving the insertion rod (603) to move is arranged on the outside of the insertion rod (603).

3. The vacuum feeder according to claim 2, characterized in that: The outer side of the insertion rod (603) is provided with an extrusion groove (6031) for the insertion of the insertion block (604), and the inner wall of the socket sleeve (601) is provided with an annular groove (6011) for locking the insertion block (604).

4. The vacuum feeder according to claim 2, characterized in that: The rebound portion includes a pressure ring (605) and a compression spring (606), and the pressure ring (605) and the compression spring (606) are both sleeved on the outside of the insertion rod (603), and the compression spring (606) is arranged at one end of the pressure ring (605) close to the socket sleeve (601).

5. The vacuum feeder according to claim 4, characterized in that: The inner wall of the insertion sleeve (602) is provided with a deformation groove (6021) for accommodating a pressure ring (605) and a compression spring (606).

6. The vacuum feeder according to claim 1, characterized in that: The buffer component comprises a sponge block (7) arranged on the inner walls of the fixed ring plate (4) and the movable ring plate (5).

7. The vacuum feeder according to claim 1, characterized in that: A feeding pipe (801) for connecting to a suction hose is arranged on the side of the vacuum hopper (8).

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