A nanoscale multi-layer dispenser with a superposition multiplication function

Abstract

The present invention provides a nano-scale multilayer distributor with a superposition and multiplication function. A first feed inlet and a second feed inlet are arranged at the front end of a machine body, a discharge port is arranged at the rear end of the machine body, a main flow channel is arranged in the machine body, a diverter rod is arranged inside the front end of the machine body, the first feed inlet is divided into three first branch flow channels on the left, middle and right after passing through the diverter rod, the first branch flow channel in the middle is connected to the main flow channel, and the second feed inlet is divided into two second branch flow channels on the left and right after passing through the diverter rod. An insert group formed by stacking a plurality of inserts up and down is arranged on both sides of the main flow channel in the machine body, and a first through flow channel and a second through flow channel that penetrate each insert are opened on the insert group; the first through flow channel is connected to the first branch flow channel, and the second through flow channel is connected to the second branch flow channel. A drainage groove is arranged on the surface of each insert, and the front end of the drainage groove is connected to the main flow channel, wherein the rear end of the drainage groove of the odd-numbered insert is connected to the second through flow channel, and the rear end of the drainage groove of the even-numbered insert is connected to the first through flow channel.

Description

Technical Field

[0001] The invention relates to a dispenser, in particular to a nanometer-level multilayer dispenser with superposition and multiplication functions. Background Art

[0002] The distributor is a multi-layer co-extrusion composite product, suitable for the production of high-functional films, and is intended to improve the barrier properties, physical properties, etc. of the films. During the composite process, different raw materials are required to be evenly composited together. The current distributor can only achieve uniform composite of a few layers or dozens of layers, and it is difficult to achieve uniform composite of dozens or hundreds of layers. Summary of the invention

[0003] In view of the above problems, the present invention aims to provide a nano-scale multilayer distributor with a stacking and multiplication function, which has a novel structure and can achieve uniform compounding of dozens or even hundreds of layers of different raw materials for the product by increasing the number of insert components.

[0004] The technical solution of the present invention is a nano-scale multilayer distributor with a superposition and multiplication function, comprising a body, a first feed port and a second feed port are arranged at the front end of the body, a discharge port is arranged at the rear end of the body, a main flow channel is arranged in the body, a diverter rod is arranged inside the front end of the body, the first feed port is divided into three first branch flow channels on the left, middle and right after passing through the diverter rod, wherein the first branch flow channel in the middle is connected to the main flow channel, and the second feed port is divided into two second branch flow channels on the left and right after passing through the diverter rod, and an insert group formed by stacking a plurality of inserts up and down is arranged on both sides of the main flow channel in the body, and the insert group is provided with a first through flow channel and a second through flow channel that penetrates each insert; the first through flow channel is connected to the first branch flow channel, and the second through flow channel is connected to the second branch flow channel, and a drainage groove is arranged on the surface of each insert, and the front end of the drainage groove is connected to the main flow channel, wherein the rear end of the drainage groove of the odd-numbered inserts along the material flow direction is connected to the second through flow channel, and the rear end of the drainage groove of the even-numbered inserts is connected to the first through flow channel.

[0005] Preferably, the first feed port is located on the front side of the body, the second feed port is located on the rear side of the body, the front and rear surfaces of the diverter rod are provided with guide diverter grooves, the ends of the guide diverter grooves are located at the bottom of the diverter rod; wherein the guide diverter grooves on the front surface extend to three positions of left, middle and right, respectively, and are respectively connected with the first through flow channel, the main flow channel and the first through flow channel of the left insert group and the right insert group; wherein the guide diverter grooves on the rear surface extend to two positions of left and right, respectively, and are respectively connected with the second through flow channel of the left insert group and the second through flow channel of the right insert group.

[0006] Preferably, the drainage groove on the insert includes a drainage section at the rear and an injection section at the front, and the groove depth at the front end of the drainage section gradually becomes shallower and smoothly transitions to the groove depth of the injection section.

[0007] Preferably, the drainage groove is located on the upper surface of the insert.

[0008] Preferably, the injection section is inclined from the rear end to the front end along the flow direction of the raw material in the main channel.

[0009] Preferably, the first through-flow channel passes through each insert on the insert group and is located on the bottom even-numbered insert and is connected to its drainage groove, and the second through-flow channel passes through each insert on the insert group and is located on the bottom odd-numbered insert and is connected to its drainage groove.

[0010] Preferably, a transition plate is connected to the rear end of the machine body, and the raw materials extruded from the discharge port are discharged through an outlet on the transition plate.

[0011] Preferably, the front and rear sides of the machine body are connected and sealed with side panels.

[0012] Preferably, an independent third feed inlet is provided at the front end of the machine body, the third feed inlet is directly connected to the main flow channel, and the first feed inlet is divided into only two left and right first branch flow channels.

[0013] The present invention can achieve the compounding of different layers of different raw materials in the product by increasing the number of insert components, and can achieve uniform compounding of dozens or even hundreds of layers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 for Figure 1 A schematic diagram of the structure from another perspective after removing the side panels;

[0016] Figure 3 It is a structural schematic diagram of the material flow path of the present invention;

[0017] Figure 4 for Figure 3 Schematic diagram of the material flow structure at the front few inserts;

[0018] Figure 5 It is a structural schematic diagram of the diverter rod in the present invention;

[0019] Figure 6 It is a schematic diagram of the structure of the odd-numbered inserts in the present invention;

[0020] Figure 7 It is a structural schematic diagram of even-numbered inserts in the present invention;

[0021] Among them: 1—machine body; 2—first feed inlet; 3—second feed inlet; 4—discharge port; 5—main channel; 6—diverter rod; 7—first branch channel; 8—second branch channel; 9—insert group; 10—first through channel; 11—second through channel; 12—drainage groove; 121—drainage section; 122—injection section; 13—guide diverter groove; 14—transition plate; 15—side plate. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] like Figures 1 to 7 As shown, the present invention provides a nano-scale multi-layer distributor with a superposition multiplication function, comprising a body 1, wherein the front end of the body 1 is provided with a first feed port 2 and a second feed port 3, the rear end of the body 1 is provided with a discharge port 4, a main flow channel 5 is provided inside the body 1, and a diverter rod 6 is provided inside the front end of the body 1. The first feed port 2 is divided into three first branch flow channels 7 on the left, middle and right after passing through the diverter rod 6, wherein the first branch flow channel 7 in the middle is connected to the main flow channel 5, and the width of the main flow channel 5 gradually increases from the front to the back. The second feed port 3 is gradually increased, and the second feed port 3 is divided into two second branch flow channels 8 on the left and right after passing through the diverter rod 6. The main flow channel 5 in the body 1 is arranged on both sides with a plurality of inserts stacked up and down. The insert group 9 is provided with a first through flow channel 10 and a second through flow channel 11 that penetrate each insert; the first through flow channel 10 is connected to the first branch flow channel 7, and the second through flow channel 11 is connected to the second branch flow channel 8. A drainage groove 12 is provided on the surface of each insert, and the front end of the drainage groove 12 is connected to the main flow channel 5 The material is connected, wherein the rear end of the drainage groove 12 of the odd-numbered inserts along the material flow direction is connected with the second through flow channel 11, and the rear end of the drainage groove 12 of the even-numbered inserts is connected with the first through flow channel 10. Raw material A is injected at the first feed port 2, and raw material B is injected at the second feed port 3. Raw material A enters the main flow channel 5 and the first branch flow channel 7, and then enters the first through flow channel 10, and finally enters the main flow channel 5 from the drainage groove 12 in the even-numbered inserts for compounding. Raw material B enters the second branch flow channel 8, and then enters the second through flow channel 11, and finally enters the main flow channel 5 from the drainage groove 12 in the odd-numbered inserts for compounding, and finally forms a composite layer such as BABABA...ABABA...ABABAB. The specific number of layers is determined by the specific number of inserts in the insert group 9 as needed. A pair of inserts on the left and right sides of the main flow channel 5 can be coated with a composite layer on the front and back sides of the main flow channel 5 respectively. Two pairs of inserts can be composited with four layers. By calculation, dozens or hundreds of layers of uniform compounding can be achieved.

[0024] In the above technical solution, more specifically, the first feed port 2 is arranged on the front side of the body 1, and the second feed port 3 is arranged on the rear side of the body 1, wherein the specific structure of the diverter rod 6 is as follows: the front surface and the rear surface of the diverter rod 6 are provided with guide diverter grooves 13, and the end of the guide diverter groove 13 is located at the bottom of the diverter rod 6; wherein the guide diverter groove 13 on the front surface extends to the left, middle and right positions of the bottom of the diverter rod 6 respectively, and the guide diverter grooves 13 at the left, middle and right positions are respectively connected with the first through-flow channel 10 of the left insert group 9, the main flow channel 5, and the first through-flow channel 10 of the right insert group 9; wherein the guide diverter groove 13 on the rear surface They extend to the left and right positions of the bottom of the diverter rod 6 respectively, and the guide diverter grooves 13 at the left and right positions are respectively connected with the second through flow channel 11 of the left block group 9 and the second through flow channel 11 of the right block group 9, so that the material entering from the first feed port 2 is divided into three parts, which flow in from the first through flow channel 10 of the left block group 9, the main channel 5, and the first through flow channel 10 of the right block group 9 respectively; the material entering from the second feed port 3 is divided into two parts, which flow in from the second through flow channel 11 of the left block group 9 and the second through flow channel 11 of the right block group 9 respectively, thereby completing the diversion process of the material at the initial stage.

[0025] Among them, as a specific preferred scheme, the drainage groove 12 is located on the upper surface of the insert, and the drainage groove 12 on the insert includes a drainage section 121 at the rear and an injection section 122 at the front. The groove depth at the front end of the drainage section 121 gradually becomes shallower and smoothly transitions to the groove depth of the injection section 122. The injection section 122 is inclined from the rear end to the front end along the flow direction of the raw material in the main channel 5, and the width of the injection section 122 is equal to the width of the insert itself, so as to meet the pressure, flow rate, entry angle and other conditions of the raw materials during compounding, thereby ensuring the effective superposition and compounding of the two materials in the main channel 5.

[0026] In the above scheme, the first through flow channel 10 and the second through flow channel 11 vertically penetrate each insert on the insert group 9 until the last two adjacent inserts. After the first through flow channel 10 passes through each insert on the insert group 9, its bottom is located on the last even-numbered insert and is connected to the drainage groove 12 thereon. After the second through flow channel 11 passes through each insert on the insert group 9, its bottom is located on the last odd-numbered insert and is connected to the drainage groove 12 thereon. The number of inserts is increased or decreased accordingly according to demand to achieve uniform compounding of dozens or hundreds of layers of different raw materials.

[0027] Preferably, a transition plate 14 is connected to the rear end of the machine body 1, and the raw materials extruded from the discharge port 4 are discharged through an outlet on the transition plate 14. The provision of the transition plate 14 facilitates connection to the extrusion die head at the rear end.

[0028] Preferably, the front and rear sides of the machine body 1 are connected with side panels 15 , and a sealing gasket is provided between the side panels 15 and the machine body 1 for sealing, so as to realize the rapid installation of the insert group 9 .

[0029] In addition, as an alternative, a separate third feed port can be set for the raw material in the main channel 5, and an independent third feed port is set at the front end of the body 1, the third feed port is directly connected to the main channel 5, and the first feed port 2 is only divided into two left and right first branch channels 7, so that the raw material C is injected into the third feed port directly into the main channel 5, the raw material B is injected into the second feed port 3, and the raw material A is injected into the first feed port 2 to form a composite layer such as ABABAB...ABABCBABA...BABABA, and the specific number of layers is determined by the specific number of inserts in the insert group 9 according to needs. A pair of inserts on the left and right sides of the main channel 5 can be coated with a layer of composite on the front and back sides of the main channel 5, and two pairs of inserts can be composited with four layers. By calculation, dozens or hundreds of layers of uniform composite can be achieved.

[0030] The above description is only a preferred embodiment of the present invention and does not impose any form of limitation on the invention. Any simple modification, equivalent change or modification made to the above embodiments based on the technical principle of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A nano-scale multilayer dispenser with superposition multiplication function, comprising a body (1), Features: The front end of the machine body (1) is provided with a first feed inlet (2) and a second feed inlet (3), the rear end of the machine body (1) is provided with a discharge port (4), a main flow channel (5) is provided inside the machine body (1), a flow dividing rod (6) is provided inside the front end of the machine body (1), the first feed inlet (2) is divided into three first branch flow channels (7) on the left, middle and right after passing through the flow dividing rod (6), wherein the first branch flow channel (7) in the middle is connected to the main flow channel (5), the second feed inlet (3) is divided into two second branch flow channels (8) on the left and right after passing through the flow dividing rod (6), the machine body (1 ) are arranged on both sides of the main flow channel (5) in the inner part, and a block group (9) formed by stacking a plurality of blocks up and down, and the block group (9) is provided with a first through flow channel (10) and a second through flow channel (11) penetrating each block; the first through flow channel (10) is connected to the first branch flow channel (7), and the second through flow channel (11) is connected to the second branch flow channel (8); a drainage groove (12) is provided on the surface of each block, and the front end of the drainage groove (12) is connected to the main flow channel (5), wherein the rear end of the drainage groove (12) of the odd-numbered blocks along the material flow direction is connected to the second through flow channel (11), the rear end of the guide groove (12) of the even-numbered insert is connected to the first through-flow channel (10); the first feed port (2) is located on the front side of the machine body (1), the second feed port (3) is located on the rear side of the machine body (1), the front surface and the rear surface of the diverter rod (6) are provided with guide diverter grooves (13), the end of the guide diverter groove (13) is located at the bottom of the diverter rod (6); wherein the guide diverter groove (13) on the front surface extends to three positions, left, middle and right, respectively, and is connected to the first through-flow channel (10) of the left insert group (9) respectively. , the main flow channel (5), and the first through-flow channel (10) of the right side insert group (9); wherein the guide diversion groove (13) on the rear surface extends to two positions on the left and right, respectively, and is respectively connected to the second through-flow channel (11) of the left side insert group (9) and the second through-flow channel (11) of the right side insert group (9); the drainage groove (12) on the insert includes a drainage section (121) at the rear and an injection section (122) at the front, and the groove depth at the front end of the drainage section (121) gradually becomes shallower and smoothly transitions to the groove depth of the injection section (122).

2. A nanoscale multilayer dispenser with superposition and multiplication function according to claim 1, Features: The drainage groove (12) is located on the upper surface of the insert.

3. A nanoscale multilayer dispenser with superposition and multiplication function according to claim 2, Features: The injection section (122) is inclined from the rear end to the front end along the flow direction of the raw material in the main channel (5).

4. A nanoscale multilayer dispenser with superposition and multiplication function according to claim 1, Features: The first through-flow channel (10) passes through each of the inserts on the insert group (9) and is located on the bottom even-numbered insert and is connected to its drainage groove (12); the second through-flow channel (11) passes through each of the inserts on the insert group (9) and is located on the bottom odd-numbered insert and is connected to its drainage groove (12).

5. A nanoscale multilayer dispenser with superposition and multiplication function according to claim 1, Features: The rear end of the machine body (1) is connected to a transition plate (14), and the raw materials extruded from the discharge port (4) are discharged through an outlet on the transition plate (14).

6. A nanoscale multilayer dispenser with superposition and multiplication function according to claim 5, Features: The front and rear sides of the machine body (1) are connected and sealed with side panels (15).

7. A nanoscale multilayer dispenser with superposition and multiplication function according to claim 1, Features: The front end of the machine body (1) is provided with an independent third feed inlet, the third feed inlet is directly connected to the main flow channel (5), and the first feed inlet (2) is only divided into two first branch flow channels (7) on the left and right.

Images