Apparatus and method for pulsatile extrusion of high viscosity liquids

Abstract

The application provides a device and method for conveying high-viscosity liquid material by pulsating extrusion of a hose, comprising a hose lower supporting plate, an electric push rod support on one side of the hose lower supporting plate, an electric push rod arranged at the bottom of the top plate of the electric push rod support, an extrusion plate connecting rod connected to the bottom end of the telescopic rod of the electric push rod, a silica gel hose extrusion plate connected to the bottom of the extrusion plate connecting rod, a pair of bridge support arms welded on both sides of the hose lower supporting plate, a pair of double-shaft rod bridges connected through a bridge rotating shaft between the two bridge support arms, a downstream throttling shaft rod connected to one end of the two double-shaft rod bridges, and an upstream throttling shaft rod connected to the other end of the two double-shaft rod bridges. The application can be classified as a liquid peristaltic pump known to all, and can realize high-precision liquid material conveying. The application has no direct contact between moving metal mechanical components and liquid material, avoids sealing problems of moving parts, cleaning problems and pollution of the conveyed material, and the like.

Description

Technical Field

[0001] This invention relates to the field of peristaltic pump technology, and in particular to an apparatus and method for conveying high-viscosity liquids using a pulsating extrusion hose. Background Technology

[0002] In industrial production and processes, there are frequent needs to transport various viscous liquids, such as colloids, pastes, and high-viscosity liquids. The unique flow properties of these viscous liquids present challenges in pump selection. Traditional screw pumps, gear pumps, centrifugal pumps, and agitator pumps are all suitable for transporting viscous liquids. However, in these pumps, moving metal mechanical components are in direct contact with the liquid, which can easily lead to problems such as sealing issues with the moving parts, cleaning difficulties, and contamination of the transported material. Summary of the Invention

[0003] To address the aforementioned problems, this invention proposes an apparatus and method for conveying high-viscosity liquids using a pulsating extrusion hose, thereby more accurately resolving the problems described above.

[0004] This invention is achieved through the following technical solution:

[0005] This invention proposes a device for conveying high-viscosity liquid materials using a pulsating extrusion hose, comprising a hose lower support plate, an electric push rod bracket with a "7"-shaped support body on one side of the hose lower support plate, an electric push rod at the bottom of the top plate of the electric push rod bracket, a telescopic rod of the electric push rod extending vertically downward, and a squeezing plate connecting rod connected to the bottom of the telescopic rod, a silicone hose squeezing plate connected to the bottom of the squeezing plate connecting rod, and silicone hoses arranged on the hose lower support plate, the silicone hoses being positioned directly below the silicone hose squeezing plate.

[0006] Furthermore, a pair of cable tray support arms are welded to both sides of the lower support plate of the hose. A pair of double-axis cable trays are connected between the two cable tray support arms through a cable tray rotation shaft. One end of the two double-axis cable trays is connected to the downstream throttling shaft, and the other end of the two double-axis cable trays is connected to the upstream throttling shaft.

[0007] Furthermore, a throttling blade connecting arm is connected to the top of the extrusion plate connecting rod. The throttling blade connecting arm extends along the side close to the upstream throttling shaft. A vertically arranged throttling blade spring sleeve is provided at the outer end of the throttling blade connecting arm. A vertically downward throttling blade piston is slidably connected in the throttling blade spring sleeve, and the bottom end of the throttling blade piston is connected to the upstream throttling blade.

[0008] Furthermore, the top two sides of the upstream throttling blade are provided with waist-shaped guide slots, and the upstream throttling shaft is inserted into the waist-shaped guide slots.

[0009] Further, the silicone hose extrusion plate is a horizontal plane plate body, and a layer of anti-skid adhesive layer is bonded and fixed to the bottom surface of the silicone hose extrusion plate.

[0010] Further, the throttle knife plate pre-tightening compression spring is arranged in the throttle knife plate spring sleeve, and the two ends of the throttle knife plate pre-tightening compression spring are respectively in abutment with the top of the throttle knife plate piston and the top of the inner cavity of the throttle knife plate spring sleeve.

[0011] Further, the downstream throttle shaft is a cylindrical rod body, and a layer of nylon rubber sleeve is arranged on the outside of the downstream throttle shaft.

[0012] Further, the bottom edge of the upstream throttle knife plate is a circular arc edge, and a layer of nylon rubber layer is bonded to the surface of the circular arc edge of the bottom of the upstream throttle knife plate.

[0013] A method for transporting high-viscosity liquid material by using a device for transporting high-viscosity liquid material in a pulsating extrusion hose, comprising the following steps:

[0014] S1: material supplementing process: when the telescopic rod of the electric push rod rises to the highest position, the upstream throttle shaft is pulled up to the highest position by the upstream throttle knife plate connected to the end of the upstream throttle knife plate connecting arm, and the downstream throttle shaft is pressed downward to press the silicone hose, and the high-viscosity liquid is filled into the silicone hose through the silicone hose inlet;

[0015] S2: material cutting process: as the telescopic rod of the electric push rod is elongated, the upstream throttle knife plate is lowered to press the silicone hose, the upstream throttle shaft is lowered by the upstream throttle knife plate, and the downstream throttle shaft is raised, and at this time, the outlet channel of the silicone hose is opened;

[0016] S3: material feeding process: as the telescopic rod of the electric push rod continues to be elongated, the throttle knife plate spring sleeve compresses the throttle knife plate pre-tightening compression spring, the compression is transmitted to the upstream throttle knife plate through the throttle knife plate piston, and the silicone hose extrusion plate extrudes the silicone hose filled with liquid material to extrude the liquid material in the silicone hose, and the material feeding process is completed;

[0017] S4: by controlling the reciprocating elongation of the telescopic rod of the electric push rod, the three processes are cyclically worked, so that the material transportation is completed.

[0018] The beneficial effects of the present application are as follows:

[0019] 1. The present application can be classified as a liquid peristaltic pump known to all, and high-precision liquid material transportation can be realized, the present application has no direct contact between the moving metal mechanical components and the liquid material, the sealing problem of the moving parts, the cleaning problem and the pollution of the transported material are avoided;

[0020] 2、The present application has the advantage of flow delivery standardization. Under the condition that most of the structural design and part design remain unchanged, only the size of the extrusion plate needs to be changed to greatly change the delivery range. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0022] Figure 2 is a schematic diagram of the first working stage of the present application;

[0023] Figure 3 is a schematic diagram of the second working stage of the present application;

[0024] Figure 4 is a schematic diagram of the third working stage of the present application;

[0025] Figure 5 is a schematic diagram of the structure of the second scheme of the present application.

[0026] In the figure: 1, hose lower supporting plate; 101, bridge support arm; 102, electric push rod support; 2, electric push rod; 201, extrusion plate connecting rod; 202, throttle knife plate connecting arm; 3, silica gel hose extrusion plate; 4, double shaft rod bridge; 401, bridge rotating shaft; 402, downstream throttle shaft rod; 403, upstream throttle shaft rod; 5, throttle knife plate spring sleeve; 501, throttle knife plate piston; 502, upstream throttle knife plate; 503, throttle knife plate pre-tightening compression spring; 504, waist-shaped guide groove hole; 55, throttle knife plate; 6, silica gel hose; 601, silica gel hose feeding port. DETAILED DESCRIPTION

[0027] In order to more clearly and completely illustrate the technical solutions of the present application, the present application will be further described below in combination with the drawings.

[0028] Please refer to Figures 1-5The application provides a device for conveying high-viscosity liquid by pulsating extrusion of a hose, which comprises a hose lower supporting plate 1, a "7"-shaped bracket body is arranged on one side of the hose lower supporting plate 1, an electric push rod bracket 102 is arranged on the top plate of the electric push rod bracket 102, an electric push rod 2 is arranged on the bottom of the electric push rod bracket 102, the telescopic rod of the electric push rod 2 extends vertically downward, a extrusion plate connecting rod 201 is connected to the bottom end of the telescopic rod of the electric push rod 2, a silica gel hose extrusion plate 3 is connected to the bottom of the extrusion plate connecting rod 201, a silica gel hose 6 is arranged on the hose lower supporting plate 1 and is used for guiding the high-viscosity liquid, the silica gel hose 6 is arranged directly below the silica gel hose extrusion plate 3, the extrusion plate connecting rod 201 is controlled to extend, the silica gel hose extrusion plate 3 is driven to extrude the silica gel hose 6, the high-viscosity liquid in the silica gel hose 6 is driven to be transported, the silica gel hose extrusion plate 3 is a horizontally arranged planar plate body, a layer of anti-skid rubber layer is bonded and fixed to the bottom surface of the silica gel hose extrusion plate 3, and the silica gel hose extrusion plate 3 and the silica gel hose 6 are prevented from slipping when they are extruded and contacted.

[0029] A pair of bridge support arms 101 are welded on the two sides of the hose lower supporting plate 1, a pair of double-shaft rod bridges 4 are connected to the two bridge support arms 101 through a bridge rotating shaft 401, a downstream throttling shaft rod 402 is connected to one end of the two double-shaft rod bridges 4, an upstream throttling shaft rod 403 is connected to the other end of the two double-shaft rod bridges 4, a throttling knife plate connecting arm 202 is connected to the top of the extrusion plate connecting rod 201, the throttling knife plate connecting arm 202 extends along the side close to the upstream throttling shaft rod 403, a vertically arranged throttling knife plate spring sleeve 5 is arranged on the outer side end of the throttling knife plate connecting arm 202, a vertically downward throttling knife plate piston 501 is slidably arranged in the throttling knife plate spring sleeve 5, an upstream throttling knife plate 502 is connected to the bottom end of the throttling knife plate piston 501, waist-shaped guide slot holes 504 are formed in the top of the two sides of the upstream throttling knife plate 502, the upstream throttling shaft rod 403 is inserted into the waist-shaped guide slot holes 504, a throttling knife plate pre-tightening spring 503 is arranged in the throttling knife plate spring sleeve 5, and the throttling knife plate pre-tightening spring 503 is in contact with the top of the throttling knife plate piston 501 and the top of the inner cavity of the throttling knife plate spring sleeve 5, respectively, as shown in the figure. Figure 2 When the telescopic rod of the electric push rod 2 rises to the highest position, the upstream throttling knife plate 502 connected to the end of the throttling knife plate connecting arm 202 pulls the upstream throttling shaft rod 403 to rise to the highest position, and the downstream throttling shaft rod 402 presses the silica gel hose 6 downward, the high-viscosity liquid is filled into the silica gel hose 6 through the silica gel hose inlet 601, as shown in the figure. Figure 3 With the extension of the telescopic rod of the electric push rod 2, the upstream throttling knife plate 502 is lowered to press and cut off the silica gel hose 6, at the same time, the upstream throttling shaft rod 403 is pulled to descend, and the downstream throttling shaft rod 402 rises, at this time, the discharge passage of the silica gel hose 6 is opened, as shown in the figure. Figure 4As shown, as the telescopic rod of the electric push rod 2 continues to extend, the throttle blade spring cover 5 will compress the throttle blade pre-tightening spring 503, and the compression force is transmitted to the upstream throttle blade 502 through the throttle blade piston 501, until the silica gel hose extrusion plate 3 extrudes the silica gel hose 6 filled with liquid material, extrudes the liquid material inside the silica gel hose 6, and completes the feeding process.

[0030] The downstream throttle shaft 402 is a cylindrical rod, and the outer part of the downstream throttle shaft 402 is sleeved with a layer of nylon rubber sleeve, the bottom edge of the upstream throttle blade 502 is a circular arc edge, and the circular arc edge surface of the bottom of the upstream throttle blade 502 is bonded with a layer of nylon rubber layer, which reduces the surface wear of the silica gel hose 6.

[0031] A method for conveying high-viscosity liquid material by a pulsating extrusion hose conveying high-viscosity liquid material device, comprising the following three processes, the first is a material supplementing process: as shown Figure 2 As shown, when the telescopic rod of the electric push rod 2 rises to the highest position, the upstream throttle blade 502 connected to the end of the throttle blade connecting arm 202 pulls the upstream throttle shaft 403 to rise to the highest position, and the downstream throttle shaft 402 presses the silica gel hose 6 downward, and the high-viscosity liquid is filled into the inside of the silica gel hose 6 through the silica gel hose inlet 601;

[0032] The second process is a material cutting process: as shown Figure 3 As shown, as the telescopic rod of the electric push rod 2 extends, until the upstream throttle blade 502 descends to press and cut off the silica gel hose 6, at the same time, the upstream throttle blade 502 pulls the upstream throttle shaft 403 to descend, and the downstream throttle shaft 402 rises, at this time, the discharge channel of the silica gel hose 6 is opened;

[0033] The third process is a material feeding process: as shown Figure 4 As shown, as the telescopic rod of the electric push rod 2 continues to extend, the throttle blade spring cover 5 will compress the throttle blade pre-tightening spring 503, and the compression force is transmitted to the upstream throttle blade 502 through the throttle blade piston 501, until the silica gel hose extrusion plate 3 extrudes the silica gel hose 6 filled with liquid material, extrudes the liquid material inside the silica gel hose 6, and completes the feeding process.

[0034] By controlling the reciprocating extension and contraction of the telescopic rod of the electric push rod 2, the three processes are realized to work cyclically, so as to complete the transportation of the material.

[0035] In addition, according to the principle of the conveying high-viscosity liquid material method of the pulsating extrusion hose conveying high-viscosity liquid material device, a second scheme is proposed: as shown Figure 5As shown, by setting three electric push rods 2, the output end of the electric push rod 2 extends vertically downward, and the output end of the middle electric push rod 2 is provided with an extrusion plate connecting rod 201, the bottom of the extrusion plate connecting rod 201 is connected with a silica gel hose extrusion plate 3, the lower end of the telescopic rod of the electric push rod 2 on both sides is connected with a throttle knife plate 505, two throttle knife plates 505 are arranged on the upstream and downstream of the silica gel hose 6 respectively, the cooperation control of the three electric push rods 2 is controlled through single-chip microcomputer technology, so as to realize the working principle of the conveying high-viscosity liquid material method of the above-mentioned one kind of pulsating extrusion hose conveying high-viscosity liquid material device, the driving force is separated, and the work in the material cutting and feeding process is more rapid.

[0036] Of course, the present application can have other various embodiments, and other embodiments obtained by those skilled in the art based on the present embodiment without any creative labor are within the scope of the present application.

Claims

1. A device for pulsating extrusion of a high-viscosity liquid mass by means of a hose, comprising a lower hose support (1), characterised in that, One side of the hose lower bolster plate (1) is provided with an electric push rod support (102) in the shape of a "7" shaped support body, the top plate bottom of the electric push rod support (102) is provided with an electric push rod (2), the telescopic rod of the electric push rod (2) extends vertically downward, and the bottom end of the telescopic rod of the electric push rod (2) is connected with a squeeze plate connecting rod (201), the bottom of the squeeze plate connecting rod (201) is connected with a silica gel hose squeeze plate (3), the hose lower bolster plate (1) is arranged with a silica gel hose (6), and the silica gel hose (6) is arranged directly below the silica gel hose squeeze plate (3); The two sides of the hose lower bolster plate (1) are welded with a pair of bridge support arms (101), and the two bridge support arms (101) are connected with a pair of double shaft rod bridges (4) through a bridge rotating shaft (401), one end of the two double shaft rod bridges (4) is connected with a downstream throttling shaft (402), and the other end of the two double shaft rod bridges (4) is connected with an upstream throttling shaft (403); The top of the squeeze plate connecting rod (201) is connected with a throttling knife plate connecting arm (202), the throttling knife plate connecting arm (202) extends along the side close to the upstream throttling shaft (403), the outside end of the throttling knife plate connecting arm (202) is provided with a throttling knife plate spring sleeve (5) arranged vertically, the throttling knife plate spring sleeve (5) is matched with a throttling knife plate piston (501) slidingly connected vertically downward, and the bottom end of the throttling knife plate piston (501) is connected with an upstream throttling knife plate (502); The inside of the throttling knife plate spring sleeve (5) is provided with a throttling knife plate pre-tightening spring (503), and the throttling knife plate pre-tightening spring (503) is in abutment with the top of the throttling knife plate piston (501) and the top of the inner cavity of the throttling knife plate spring sleeve (5) respectively.

2. A device for the pulsatile extrusion of a high viscosity liquid through a flexible tube according to claim 1, characterised in that The top of the upstream throttling knife plate (502) is provided with a waist-shaped guide slot (504) on both sides, and the upstream throttling shaft (403) is inserted into the waist-shaped guide slot (504).

3. A device for pulsatile extrusion of a high viscosity liquid through a flexible tube according to claim 1, wherein The silica gel hose squeeze plate (3) is a horizontally arranged planar plate body, and a layer of anti-skid rubber layer is bonded and fixed to the bottom surface of the silica gel hose squeeze plate (3).

4. A device for pulsatile extrusion of a high viscosity liquid material according to claim 1, characterized in that The downstream throttling shaft (402) is a cylindrical rod body, and a layer of nylon rubber sleeve is sleeved on the outside of the downstream throttling shaft (402).

5. A device for pulsatile extrusion of a high viscosity liquid material according to claim 1, characterized in that The bottom edge of the upstream throttling knife plate (502) is a circular arc edge, and a layer of nylon rubber layer is bonded to the surface of the circular arc edge of the bottom of the upstream throttling knife plate (502).

6. A method of delivering a high viscosity liquid material using the apparatus of any one of claims 1 to 5, wherein, The method comprises the following steps: S1: material supplementing process: when the telescopic rod of the electric push rod (2) rises to the highest position, the upstream throttling shaft (403) connected with the throttling knife plate connecting arm (202) at one end is pulled up to the highest position by the upstream throttling knife plate (502) at the other end, and the downstream throttling shaft (402) is used to press the silica gel hose (6) downward, and the high-viscosity liquid is filled into the inside of the silica gel hose (6) through the silica gel hose inlet (601); S2: cut off the flow process: with the extension of the telescopic rod of the electric push rod (2), until the upstream throttle knife plate (502) is lowered to press the silicone hose (6) to cut off the flow, at the same time, the upstream throttle shaft (403) is pulled down by the upstream throttle knife plate (502), and the downstream throttle shaft (402) is lifted, at this time, the outlet channel of the silicone hose (6) is opened; S3: feeding process: with the continuous extension of the telescopic rod of the electric push rod (2), the throttle knife plate spring sleeve (5) will compress the throttle knife plate pre-tightening spring (503), the compression will be transmitted to the upstream throttle knife plate (502) through the throttle knife plate piston (501), until the silicone hose extrusion plate (3) extrudes the silicone hose (6) filled with liquid material, and the liquid material in the silicone hose (6) is extruded out, completing the feeding process; S4: by controlling the reciprocating extension of the telescopic rod of the electric push rod (2), the three processes are realized to work in a cycle, so as to complete the transportation of the material.

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