CN219402003U - Filter tip assembly closing-in device - Google Patents
Filter tip assembly closing-in device Download PDFInfo
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- CN219402003U CN219402003U CN202223361363.7U CN202223361363U CN219402003U CN 219402003 U CN219402003 U CN 219402003U CN 202223361363 U CN202223361363 U CN 202223361363U CN 219402003 U CN219402003 U CN 219402003U
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- closing
- filter tip
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- tip assembly
- assembly
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Abstract
The application provides a filter assembly closing-in device, the device includes: a closing die comprising an inner hole and a guide hole; the inner hole is communicated with the guide hole, is used for placing the filter tip assembly and is used for closing up the outer circle of the filter tip assembly; the compression bar comprises a punch, and the punch can extend into the inner hole to apply force to the filter tip assembly; the ejector rod comprises an ejector head which can extend into the guide hole to eject the closed filter tip assembly from the inner hole to the outside; the utility model provides a pair of filter tip subassembly binding off device, simple structure, it is convenient to make, and easy operation, the dismouting is swift, can guarantee the whole required dimension of filter tip subassembly after the binding off.
Description
Technical Field
The application belongs to the technical field of a closing-in method of a filter tip assembly of a fuel pump, and particularly relates to a closing-in device of the filter tip assembly.
Background
The filter tip component consists of a support, a filter screen framework, a filter screen and a gasket, the filter screen framework, the filter screen and the gasket are fastened into a whole by the support flanging and closing after closing, and the filter tip component is arranged in an oil way of the fuel pump to clean and filter fuel in the fuel pump.
The method for closing the filter tip assembly is to clamp a support by three claws on a lathe to drive the filter tip assembly to rotate at a low speed, install a closing roller, usually a bearing, on a cutter tower, adjust the angle of the roller and close the filter tip assembly by extrusion. The closing roller can be made into a direct-mounted rolling bearing or an oblique-mounted rolling bearing and an end face bearing structure according to the requirements. Closing in is mainly realized by extrusion molding, and closing in is sequentially completed by adjusting the closing-in end angle of the extrusion support for multiple times. Because the filter tip assembly support is soft aluminum more in the fuel pump, the assembly height and the diameter of the closing-in position need to be ensured after closing-in, the closing-in height is not easy to control due to uncontrollable extrusion positions when the common idler wheels are closed-in, the outer circle of the assembly is not limited during extrusion, the diameter of the outer circle of the assembly is also increased and is out of tolerance, and the inner hole is deformed due to overlarge clamping force, so that the filter tip assembly is scrapped.
Therefore, the closing method of the filter tip assembly is required to be changed, and the size requirements of the assembly after closing are ensured.
Disclosure of Invention
To above-mentioned technical problem, the present application provides a filter tip subassembly binding off device, the device includes:
a closing die comprising an inner hole and a guide hole; the inner hole is communicated with the guide hole, is used for placing the filter tip assembly and is used for closing up the outer circle of the filter tip assembly;
the compression bar comprises a punch, and the punch can extend into the inner hole to apply force to the filter tip assembly;
the ejector rod comprises an ejector head, wherein the ejector head can extend into the guide hole to eject the closed filter tip assembly out of the inner hole to the outside.
Preferably, the punch is in clearance fit with the inner bore, and the plug is in clearance fit with the guide bore.
Preferably, the diameter of the inner bore is greater than the diameter of the guide bore, the inner bore being coaxial with the guide bore.
Preferably, the closing die includes:
the primary closing-in die comprises a primary angle closing-in surface, wherein the primary angle closing-in surface is arranged between the inner hole and the guide hole and is used for completing primary closing-in on the outer circle of the filter tip assembly;
the secondary closing-in die comprises a secondary angle closing-in surface, the secondary angle closing-in surface is arranged between the inner hole and the guide hole, and the secondary angle closing-in surface is used for completing secondary closing-in on the outer circle of the filter tip assembly;
the three-level closing-in die comprises three-level angle closing-in surfaces, wherein the three-level angle closing-in surfaces are arranged between the inner hole and the guide hole and are used for completing three-level closing-in on the outer circle of the filter tip assembly.
Preferably, the length of the plug and the length of the filter assembly are equal to the depth of the bore.
Preferably, the included angle of the primary angle closing-in surface is smaller than the included angle of the secondary angle closing-in surface, and the included angle of the secondary angle closing-in surface is smaller than the included angle of the tertiary angle closing-in surface.
The beneficial technical effect of this application:
the utility model has the advantages of simple structure, convenient manufacture, easy operation, quick assembly and disassembly, and can ensure that the filter tip assembly completely requires the size after closing.
Drawings
FIG. 1 is a schematic view of a filter assembly prior to closing in;
FIG. 2 is a schematic view of the filter assembly after closing in;
FIG. 3 is a schematic view of a filter assembly closing die;
FIG. 4 is a schematic illustration of a filter assembly closing process;
FIG. 5 is a dimensional view of a filter assembly closing in mold;
wherein: 1-a filter assembly; 2-primary necking die; 3-a secondary closing-in die; 4-three-stage closing-in mold; 5-a compression bar; 6-ejector rods; 7-outer circumference of the filter assembly.
Detailed Description
The present application will now be described in detail with reference to fig. 1-5 and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
As shown in fig. 1 and 2: the filter assembly comprises components and a closing-in structure. As shown in fig. 3, 4 and 5: a method for closing up a filter assembly, which relates to parts in the closing-up method process of the filter assembly, comprises the following steps: the filter tip assembly 1, a closing-in mold 2, a closing-in mold 3, a closing-in mold 4, a compression bar 5 and a push rod 6.
The inside of the closing-in die 2 is provided with a first-level angle closing-in surface, the filter tip assembly 1 is arranged in the closing-in die 2, and the compression bar 5 is arranged in the closing-in die through the leading end. Pressing the compression bar into the closing die 2 until the end surfaces of the compression bar and the closing die are attached; the plunger 5 is removed. The ejector rod 6 ejects the filter tip assembly 1 out of the guide hole at the other end of the closing die 2 to finish primary closing.
The inside of the closing-in die 3 is provided with a second-level angle closing-in surface, the filter tip assembly 1 is arranged in the closing-in die 3, and the compression bar 5 is arranged in the closing-in die through the leading end. Pressing the compression bar into the closing die 3 until the end surfaces of the compression bar and the closing die are attached; the plunger 5 is removed. The ejector rod 6 ejects the filter tip assembly 1 out of the guide hole at the other end of the closing die 3 to finish secondary closing. The inside of the closing-in die 4 is provided with a second-level angle closing-in surface, the filter tip assembly 1 is arranged in the closing-in die 4, and the compression bar 5 is arranged in the closing-in die through the leading end.
Wherein, the compression bar is pressed into the closing die 4 until the end surfaces of the compression bar and the closing die are attached; the plunger 5 is removed. The ejector rod 6 ejects the filter tip assembly 1 out of the guide hole at the other end of the closing die 4 to finish three-stage closing.
According to the method, the filter tip assembly is arranged in the closing-in die 2, so that the gap between the outer circle of the filter tip assembly and the inner hole of the closing-in die is controlled, and the outer circle of the filter tip assembly is prevented from becoming larger in the closing-in process; the compression bar is arranged in the closing-in die through the guide end, the compression bar is pressed into the closing-in die until the end faces of the compression bar and the closing-in die are attached, and the height dimension of the filter tip assembly after closing-in is ensured; taking out the compression bar; the ejector rod ejects the filter tip assembly from the guide hole at the other end of the closing die to finish primary closing; changing the closing die into a closing die 3, repeating the operation, and finishing secondary closing; and replacing the closing die into a closing die 4, repeating the operation, and finishing three-stage closing. The utility model has simple structure, convenient manufacture, easy operation and quick disassembly and assembly, and can ensure all required sizes of the filter tip components after closing.
In the drawings,: l1=l2+h-R1; d3 =d2-0.01; d2 =d+0.01; r1=r;
in other embodiments of the present application, the present application further provides a method for closing a filter assembly, where the method includes: the filter tip assembly 1, a closing-in mold 2, a closing-in mold 3, a closing-in mold 4, a compression bar 5 and a push rod 6. The inside of the closing-in die 2 is provided with a first-level angle closing-in surface, the filter tip assembly 1 is arranged in the closing-in die 2, and the compression bar 5 is arranged in the closing-in die through the leading end; pressing the compression bar into the closing die 2 until the end surfaces of the compression bar and the closing die are attached; taking out the compression bar 5; the ejector rod 6 ejects the filter tip assembly 1 from the guide hole at the other end of the closing die 2 to finish primary closing; the inside of the closing-in die 3 is provided with a second-level angle closing-in surface, the filter tip assembly 1 is arranged in the closing-in die 3, and the compression bar 5 is arranged in the closing-in die through the leading end; pressing the compression bar into the closing die 3 until the end surfaces of the compression bar and the closing die are attached; taking out the compression bar 5; the ejector rod 6 ejects the filter tip assembly 1 out of the guide hole at the other end of the closing die 3 to finish secondary closing. The inside of the closing-in die 4 is provided with three-level angle closing-in surfaces, the filter tip assembly 1 is arranged in the closing-in die 4, and the compression bar 5 is arranged in the closing-in die through the leading end; pressing the compression bar into the closing die 2 until the end surfaces of the compression bar and the closing die are attached; taking out the compression bar 5; the ejector rod 6 ejects the filter tip assembly 1 out of the guide hole at the other end of the closing die 4 to finish three-stage closing.
The filter tip assembly 1 consists of a support, a filter screen framework, a filter screen and a gasket, and is assembled into an assembly in sequence before closing in. The inside of the closing die 2 is provided with a first-level angle closing surface, the right end of the closing surface is provided with a push rod 6 guiding hole, and the left end is provided with a compression rod 5 guiding hole. The filter tip assembly 1 is installed into the closing-in die 2 through a left end guide hole, and an inner hole of the closing-in die 2 is in clearance fit with the filter tip assembly 1 by 0.01 and is used for limiting deformation of the outer circle of the filter tip assembly 1 during subsequent closing-in.
Further, the compression bar 5 is pressed into the closing-in die 2 until the two end faces are attached, the filter tip assembly 1 forms a first-level closing-in at the closing-in face of the closing-in die 2, and the height of the assembly after closing-in is ensured by the extension length of the compression bar 5 and the depth of the inner cavity of the closing-in die 2. And replacing the closing-in die 2 with the closing-in die 3, and repeating the operation to finish the secondary closing-in of the filter tip assembly 1. And replacing the closing-in die 3 with the closing-in die 4, and repeating the operation to finish the secondary closing-in of the filter tip assembly 1.
According to the method, the filter tip assembly is arranged in the closing-in die 2, so that the gap between the outer circle of the filter tip assembly and the inner hole of the closing-in die is controlled, and the outer circle of the filter tip assembly is prevented from becoming larger in the closing-in process; the compression bar is arranged in the closing-in die through the guide end, the compression bar is pressed into the closing-in die until the end faces of the compression bar and the closing-in die are attached, and the height dimension of the filter tip assembly after closing-in is ensured; taking out the compression bar; the ejector rod ejects the filter tip assembly from the guide hole at the other end of the closing die to finish primary closing; changing the closing die into a closing die 3, repeating the operation, and finishing secondary closing; and replacing the closing die into a closing die 4, repeating the operation, and finishing three-stage closing. The utility model has simple structure, convenient manufacture, easy operation and quick disassembly and assembly, and can ensure all required sizes of the filter tip components after closing.
Claims (6)
1. A filter assembly necking apparatus, the apparatus comprising:
a closing die comprising an inner hole and a guide hole; the inner hole is communicated with the guide hole, is used for placing the filter tip assembly and is used for closing up the outer circle of the filter tip assembly;
the compression bar comprises a punch, and the punch can extend into the inner hole to apply force to the filter tip assembly;
the ejector rod comprises an ejector head, wherein the ejector head can extend into the guide hole to eject the closed filter tip assembly out of the inner hole to the outside.
2. The filter assembly necking apparatus of claim 1 wherein the punch is in clearance fit with the bore and the plug is in clearance fit with the guide bore.
3. The filter assembly necking apparatus of claim 1 wherein the diameter of the inner bore is greater than the diameter of the guide bore, the inner bore being coaxial with the guide bore.
4. A filter assembly necking apparatus in accordance with claim 3 wherein said necking die comprises:
the primary closing-in die comprises a primary angle closing-in surface, wherein the primary angle closing-in surface is arranged between the inner hole and the guide hole and is used for completing primary closing-in on the outer circle of the filter tip assembly;
the secondary closing-in die comprises a secondary angle closing-in surface, the secondary angle closing-in surface is arranged between the inner hole and the guide hole, and the secondary angle closing-in surface is used for completing secondary closing-in on the outer circle of the filter tip assembly;
the three-level closing-in die comprises three-level angle closing-in surfaces, wherein the three-level angle closing-in surfaces are arranged between the inner hole and the guide hole and are used for completing three-level closing-in on the outer circle of the filter tip assembly.
5. The filter assembly necking apparatus of claim 1 wherein the length of the plug and the length of the filter assembly are equal to the depth of the bore.
6. The filter assembly necking-in device of claim 4 wherein the primary angle necking-in surface has an included angle less than the secondary angle necking-in surface, the secondary angle necking-in surface having an included angle less than the tertiary angle necking-in surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223361363.7U CN219402003U (en) | 2022-12-14 | 2022-12-14 | Filter tip assembly closing-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223361363.7U CN219402003U (en) | 2022-12-14 | 2022-12-14 | Filter tip assembly closing-in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219402003U true CN219402003U (en) | 2023-07-25 |
Family
ID=87205538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223361363.7U Active CN219402003U (en) | 2022-12-14 | 2022-12-14 | Filter tip assembly closing-in device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219402003U (en) |
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2022
- 2022-12-14 CN CN202223361363.7U patent/CN219402003U/en active Active
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