CN216832021U - Connection structure of flow distribution plate - Google Patents
Connection structure of flow distribution plate Download PDFInfo
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- CN216832021U CN216832021U CN202123000728.9U CN202123000728U CN216832021U CN 216832021 U CN216832021 U CN 216832021U CN 202123000728 U CN202123000728 U CN 202123000728U CN 216832021 U CN216832021 U CN 216832021U
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Abstract
The utility model belongs to the technical field of injection molding, and particularly relates to a connecting structure of a flow distribution plate. The flow distribution plate comprises a first flow distribution plate splicing block and a second flow distribution plate splicing block, and is characterized in that a first flow channel and a second flow channel are arranged in the first flow distribution plate splicing block and the second flow distribution plate splicing block respectively, one ends of the first flow channel and one end of the second flow channel are communicated with each other, and the first flow distribution plate splicing block and the second flow distribution plate splicing block are fixed through a plurality of screws. Compared with the prior art, the connecting structure of the splitter plate has the advantages that: reasonable in design, the manufacturing of being convenient for, it is simple to maintain, the transport is convenient.
Description
Technical Field
The utility model belongs to the technical field of injection molding, and particularly relates to a connecting structure of a flow distribution plate.
Background
The hot runner system is a system for maintaining molten plastic in a runner and a gate by heating. The flow distribution plate is an important component part, and the heating element supplies heat to the flow distribution plate, so that the plastic ejected from the main injection nozzle to each glue outlet (connecting hot nozzle) is in a molten state. Most of the existing flow distribution plates are integrated, so that the flow distribution plates are inconvenient to clean.
For example, chinese patent literature discloses a hot runner manifold structure [ application No. 202022443856.X ] with uniform flow velocity, including first manifold, second manifold, heating wire and second manifold, first manifold has been seted up to the middle part upper end of first manifold, and the tip of first manifold installs the nozzle to the upper end lateral part of first manifold installs the fixed block, the outside cover of fixed block is equipped with the second manifold, and the middle part of fixed block has seted up the draw-in groove, the inside of draw-in groove is provided with the fixture block, and the fixture block is located the inside of recess to the recess is seted up in the inside of second manifold, the upper end middle part of second manifold has seted up the filling opening, and the lower extreme of second manifold has seted up the second manifold, the heating wire is installed in the inside embedding of first manifold.
The scheme is convenient to clean. However, the above-mentioned splitter plate with the above structure is still difficult to process when the volume is large, needs large-scale processing equipment, and is not easy to carry and transport after the processing is completed.
Disclosure of Invention
The utility model aims to solve the problems and provides a connecting structure of a flow distribution plate, which has the advantages of reasonable design, convenience in processing and manufacturing, simplicity in maintenance and convenience in carrying.
In order to achieve the purpose, the utility model adopts the following technical scheme: the connecting structure of the splitter plate comprises a first splitter plate splicing block and a second splitter plate splicing block, and is characterized in that a first flow channel and a second flow channel are respectively arranged in the first splitter plate splicing block and the second splitter plate splicing block, one ends of the first flow channel and one end of the second flow channel are mutually communicated, and the first splitter plate splicing block and the second splitter plate splicing block are fixed through a plurality of screws.
In the connection structure of the splitter plate, the two sides of the first splitter plate splicing block are respectively provided with a first fixing lug, the two sides of the second splitter plate splicing block are respectively provided with a second fixing lug, and the first fixing lug and the second fixing lug on the two sides are respectively fixed through a plurality of screws.
In the connection structure of the splitter plate, a screw installation abdicating groove is formed in the side wall of the first splitter plate splicing block above the first fixing lug, and the screw penetrates between the first fixing lug and the first splitter plate splicing block.
In the connection structure of the splitter plate, the central axis of the screw is gradually inclined inwards from the outer end to the inner end.
In the connection structure of the flow distribution plate, the upper end surface of the first fixing lug and the bottom surface of the screw installation abdicating groove are gradually inclined downwards from the inner end to the outer end; the side surface of the screw mounting abdicating groove is gradually inclined outwards from the lower part to the upper part; and an arc-shaped chamfer is arranged between the bottom surface and the side surface of the screw mounting yielding groove.
In the connection structure of the splitter plate, the central axis of the screw is parallel to the central axis of the first flow channel.
In the connection structure of the flow distribution plate, a sealing structure is arranged between the first flow passage and the second flow passage.
In the connection structure of the splitter plate, the sealing structure comprises sealing rings respectively arranged between the first flow channel and the second flow channel, one end of each sealing ring is arranged on a first sealing ring mounting step of the first flow channel, and the other end of each sealing ring is arranged on a second sealing ring mounting step of the second flow channel.
In the connection structure of the splitter plate, a pre-positioning structure is arranged between the first splitter plate splicing block and the second splitter plate splicing block.
In the connection structure of the splitter plate, the pre-positioning structure comprises at least two positioning pins arranged between the splicing ends of the first splitter plate splicing block and the second splitter plate splicing block, the two positioning pins are respectively positioned at two sides of the first flow channel and the second flow channel, and two ends of each positioning pin are respectively arranged in a first positioning pin hole and a second positioning pin hole on the first splitter plate splicing block and the second splitter plate splicing block.
Compared with the prior art, the connecting structure of the splitter plate has the advantages that: 1. reasonable in design, the manufacturing of being convenient for, it is simple to maintain, the transport is convenient. 2. The easy replacement of a portion of the manifold may be at some failure/problem, avoiding replacement of the entire manifold. 3. The cleaning is convenient, and the disassembly and assembly can be carried out for many times. 4. The connection of the splitter plate is firm, and can bear high injection pressure. 5. Allowing the use of smaller milling machines, smaller three-coordinate measuring machines. 6. The existence of the sealing ring ensures the sealing performance of the sealing ring.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional structure provided by the present invention.
Fig. 3 is a schematic perspective view of a second embodiment of the present invention.
Fig. 4 is a schematic cross-sectional structural diagram of a second embodiment provided in the present invention.
In the figure, a first splitter plate splicing block 1, a second splitter plate splicing block 2, a first flow channel 11, a second flow channel 21, a screw 3, a second fixing lug 22, a first fixing lug 12, a sealing structure 6, a first sealing ring mounting step 61, a second sealing ring mounting step 62, a pre-positioning structure 7, a positioning pin 71, a first positioning pin hole 72, a second positioning pin hole 73, a screw mounting abdicating groove 4 and an arc-shaped chamfer 5.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1 and 2, the connection structure of the splitter plate includes a first splitter plate block 1 and a second splitter plate block 2, a first flow channel 11 and a second flow channel 21 are respectively disposed in the first splitter plate block 1 and the second splitter plate block 2, one ends of the first flow channel 11 and the second flow channel 21 are mutually connected, and the first splitter plate block 1 and the second splitter plate block 2 are fixed by a plurality of screws 3.
More specifically, first shunt plate splice 1 both sides are equipped with first fixed ear 12 respectively, and second shunt plate splice 2 both sides are equipped with the fixed ear 22 of second respectively, and the fixed ear 12 of first fixed ear and the fixed ear 22 of second of both sides are equallyd divide and are fixed through a plurality of screws 3 respectively, and first fixed ear 12 and first shunt plate splice 1 integrated into one piece, the fixed ear 22 of second and second shunt plate splice 2 integrated into one piece.
In this embodiment, the central axis of the screw 3 is parallel to the central axis of the first flow channel 11.
In this embodiment, there are four screws 3.
In order to guarantee the sealing performance after splicing, a sealing structure 6 is arranged between the first flow passage 11 and the second flow passage 21, the sealing structure 6 comprises sealing rings respectively arranged between the first flow passage 11 and the second flow passage 21, one end of each sealing ring is arranged on a first sealing ring mounting step 61 of the first flow passage 11, and the other end of each sealing ring is arranged on a second sealing ring mounting step 62 of the second flow passage 21.
In order to further improve the sealing performance, the thickness of the sealing ring is greater than the sum of the height of the first sealing ring mounting step 61 and the height of the second sealing ring mounting step 62, namely the first splitter plate splicing block 1 and the second splitter plate splicing block 2 are respectively abutted against the upper end and the lower end of the sealing ring, the sealing performance of the sealing ring is ensured due to the existence of the sealing ring, and the sealing ring is provided with a special lip (thin and higher than a plane) and can be pressed on the sealing surface, so that plastic leakage is avoided.
In order to ensure the precision in assembling and positioning, a pre-positioning structure 7 is arranged between the first splitter plate splicing block 1 and the second splitter plate splicing block 2, the pre-positioning structure 7 comprises at least two positioning pins 71 arranged between the splicing ends of the first splitter plate splicing block 1 and the second splitter plate splicing block 2, the two positioning pins 71 are respectively positioned on two sides of the first flow channel 11 and two sides of the second flow channel 21, and two ends of each positioning pin 71 are respectively arranged in a first positioning pin hole 72 and a second positioning pin hole 73 on the first splitter plate splicing block 1 and the second splitter plate splicing block 2.
The structure principle is as follows: the flow distribution plate is divided into a flow distribution plate splicing block 1 and a second flow distribution plate splicing block 2, two ends of the first flow channel 11 and two ends of the second flow channel 21 are butted with each other and then spliced into a complete flow channel, and the sealing property is improved through the sealing ring.
The installation sequence is that the positioning pin 71 is placed in the second positioning pin hole 73 and the sealing ring is placed on the second sealing ring installation step 62, then the first splitter plate splicing block 1 is spliced with the second splitter plate splicing block 2, at this time, the upper end of the positioning pin 71 enters the first positioning pin hole 72 to be positioned and confirmed, and finally the screw 3 is screwed.
Example two:
as shown in fig. 3 and 4, the structure, principle and steps of the embodiment are similar to those of embodiment 1, except that, in order to improve the structural compactness, a screw installation recess 4 is provided above the first fixing lug 12 and located on the side wall of the first splitter plate block 1, and the screw 3 is inserted between the first fixing lug 12 and the first splitter plate block 1, that is, the tail portion of the screw is located in the screw installation recess 4, more specifically, the inner side portion.
In order to make the structure more compact, the central axis of the screw 3 gradually inclines inwards from the outer end to the inner end, and the upper end surface of the first fixing lug 12 and the bottom surface of the screw installation abdicating groove 4 gradually incline downwards from the inner end to the outer end; the side surface of the screw installation abdicating groove 4 is gradually inclined outwards from the lower part to the upper part; an arc chamfer 5 is arranged between the bottom surface and the side surface of the screw mounting abdicating groove 4.
The structure of the scheme can be very compact, can bear serious lateral force and torsional force, and can bear high injection pressure.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although the terms of the first manifold block 1, the second manifold block 2, the first flow channel 11, the second flow channel 21, the screw 3, the second fixing lug 22, the first fixing lug 12, the sealing structure 6, the first seal ring mounting step 61, the second seal ring mounting step 62, the pre-positioning structure 7, the positioning pin 71, the first positioning pin hole 72, the second positioning pin hole 73, the screw mounting relief groove 4, the arc-shaped chamfer 5, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (10)
1. The connecting structure of the flow distribution plate comprises a first flow distribution plate splicing block (1) and a second flow distribution plate splicing block (2), and is characterized in that a first flow channel (11) and a second flow channel (21) are respectively arranged in the first flow distribution plate splicing block (1) and the second flow distribution plate splicing block (2), one ends of the first flow channel (11) and the second flow channel (21) are mutually communicated, and the first flow distribution plate splicing block (1) and the second flow distribution plate splicing block (2) are fixed through a plurality of screws (3).
2. The connecting structure of the flow distribution plate according to claim 1, wherein the first flow distribution plate splicing block (1) is provided with first fixing lugs (12) on both sides, the second flow distribution plate splicing block (2) is provided with second fixing lugs (22) on both sides, and the first fixing lugs (12) and the second fixing lugs (22) on both sides are fixed by a plurality of screws (3) respectively.
3. The connection structure of the flow distribution plate according to claim 2, wherein a screw installation abdicating groove (4) is provided on the side wall of the first flow distribution plate block (1) above the first fixing lug (12), and the screw (3) is inserted between the first fixing lug (12) and the first flow distribution plate block (1).
4. The connection structure of the manifold as claimed in claim 3, wherein the central axis of the screw (3) is inclined gradually inward from the outer end to the inner end.
5. The connecting structure of the flow distribution plate according to claim 4, wherein the upper end surface of the first fixing lug (12) and the bottom surface of the screw mounting abdicating groove (4) are gradually inclined downwards from the inner end to the outer end; the side surface of the screw mounting abdicating groove (4) is gradually inclined outwards from the lower part to the upper part; and an arc-shaped chamfer (5) is arranged between the bottom surface and the side surface of the screw mounting abdicating groove (4).
6. The connection structure of the flow distribution plate according to claim 1, 2, 3 or 4, characterized in that the central axis of the screw (3) and the central axis of the first flow passage (11) are parallel to each other.
7. The connecting structure of the flow dividing plate according to claim 1 or 2 or 3 or 4, wherein a sealing structure (6) is provided between the first flow passage (11) and the second flow passage (21).
8. The connecting structure of the flow distribution plate according to claim 7, wherein the sealing structure (6) comprises a sealing ring respectively arranged between the first flow passage (11) and the second flow passage (21), one end of the sealing ring is arranged on a first sealing ring mounting step (61) of the first flow passage (11), and the other end of the sealing ring is arranged on a second sealing ring mounting step (62) of the second flow passage (21).
9. The connection structure of the splitter plate according to claim 1, 2, 3 or 4, wherein a pre-positioning structure (7) is provided between the first splitter plate block (1) and the second splitter plate block (2).
10. The connection structure of the splitter plate according to claim 9, wherein the pre-positioning structure (7) includes at least two positioning pins (71) disposed between the splicing ends of the first splitter plate splicing block (1) and the second splitter plate splicing block (2), the two positioning pins (71) are respectively disposed on two sides of the first flow channel (11) and the second flow channel (21), and two ends of the positioning pins (71) are respectively disposed in the first positioning pin hole (72) and the second positioning pin hole (73) of the first splitter plate splicing block (1) and the second splitter plate splicing block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123000728.9U CN216832021U (en) | 2021-11-29 | 2021-11-29 | Connection structure of flow distribution plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123000728.9U CN216832021U (en) | 2021-11-29 | 2021-11-29 | Connection structure of flow distribution plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216832021U true CN216832021U (en) | 2022-06-28 |
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ID=82103687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123000728.9U Active CN216832021U (en) | 2021-11-29 | 2021-11-29 | Connection structure of flow distribution plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216832021U (en) |
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2021
- 2021-11-29 CN CN202123000728.9U patent/CN216832021U/en active Active
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