CN221434695U - Press riveting device for sensor shell - Google Patents
Press riveting device for sensor shell Download PDFInfo
- Publication number
- CN221434695U CN221434695U CN202323195356.9U CN202323195356U CN221434695U CN 221434695 U CN221434695 U CN 221434695U CN 202323195356 U CN202323195356 U CN 202323195356U CN 221434695 U CN221434695 U CN 221434695U
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- China
- Prior art keywords
- upper die
- connecting plate
- lower die
- die cavity
- column
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- 230000006835 compression Effects 0.000 claims abstract description 33
- 238000007906 compression Methods 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000741 silica gel Substances 0.000 claims abstract description 9
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 9
- 230000006978 adaptation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
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- Presses And Accessory Devices Thereof (AREA)
Abstract
The utility model relates to a press riveting device of a sensor shell, which comprises an upper die connecting plate, an upper die cavity, a compression spring, a compression column, a pressing ring, a shaft retainer ring, a lower die cavity, a lower die connecting plate, a steel pressing ring, a sensor shell, a printed board assembly, a silica gel gasket and the like. The novel shell riveting device is divided into an upper die and a lower die, the movable columns of the upper die and the oil press are fixed, the lower die and the support of the oil press are fixed, the pressure and the stroke of the oil press are adjusted, the upper die moves towards the lower die, the upper end face of the shell is forced to be bent inwards by utilizing the inner conical surface of the upper die until plastic deformation is achieved, and assembly is completed. The tool is simple and exquisite in structure, reasonable and clear in component selection, connection mode and overall working principle, and is assembled by the device, so that the tool is simple, convenient, stable and reliable. Has application and popularization value in the sensor industry.
Description
Technical Field
The utility model relates to the field of production and assembly of parts of electromechanical products, in particular to a sensor product which is packaged in a press-riveting mode through plastic deformation of a shell.
Background
The application environment of the sensor product is bad, so the requirement on the assembly of the sensor is reliable at first; secondly, the assembly process is simple and convenient in view of mass production of the sensor product. The traditional screw screwing mode is used for assembling, human factors are more in the assembling process, the quality of a product is influenced by some uncertainty factors, meanwhile, the fact that the sensor product is disassembled by external personnel is generally not allowed to be disassembled is considered, irreversible disassembly can be generated due to strong disassembly, the follow-up service of the product is influenced, and the controllability and economy of production and assembly beats are considered. Therefore, how to efficiently, stably and reliably assemble in large quantities is a subject of continuous research and continuous improvement.
Disclosure of utility model
In order to solve the technical problem, the press riveting device of the sensor housing of the present utility model comprises:
The lower part of the upper die connecting plate is connected with an upper die cavity body through a first screw, a compression column capable of moving up and down is assembled in the upper die cavity body, a compression spring is sleeved on the compression column, a compression ring is arranged at the end part of the compression spring, and the compression ring is sleeved at the column end of the compression column;
the printed board assembly is placed in the sensor shell;
The upper part of the lower die connecting plate is connected with a lower die cavity body through a first screw, and the specification and the shape of the lower die cavity body are matched with those of the upper die cavity body.
Compared with the prior art, the utility model has the advantages that: the utility model discloses a shell is pressed and is riveted device, divide into mould and lower mould, the movable column of going up mould and hydraulic press is fixed, the lower mould is fixed with the support of hydraulic press, pressure and the stroke of adjustment hydraulic press, upward the mould removes to the lower mould, utilize the inner conical surface of going up the mould to force the up end circumference of shell inwards crooked, until plastic deformation, accomplish the assembly, frock simple structure among them is exquisite, spare part selection, connected mode and whole theory of operation are reasonable clear, assemble with the device, both simple and convenient, reliable and stable, have application and spreading value in the sensor trade.
Further, the pressing ring is fixedly connected with the upper die cavity body through a second screw.
Further, a steel pressing ring is arranged above the printed board assembly, and a silica gel gasket is arranged below the printed board assembly.
Further, the upper die connecting plate is connected with the hydraulic movable column on one hand and is connected with the upper die cavity body on the other hand through a first screw connection.
Further, the lower cavity die body is connected with the oil press support, and the upper end part is provided with a matching cavity for positioning and placing the sensor shell.
Further, the lower die connecting plate is connected with the hydraulic movable column on one hand and connected with the lower die cavity body on the other hand through a screw I.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the present utility model in a clamped state.
Fig. 3 is a schematic view of the assembly of the present utility model after clinching.
As shown in the figure: 1. the device comprises an upper die connecting plate, 2, a first screw, 3, an upper die cavity, 4, a compression spring, 5, a compression column, 6, a pressing ring, 7, a shaft check ring, 8, a second screw, 9, a lower die cavity, 10, a lower die connecting plate, 11, a steel pressing ring, 12, a sensor shell, 13, a printed board assembly, 14 and a silica gel gasket.
Detailed Description
In a specific implementation, as shown in the embodiment of fig. 1, the utility model provides a press riveting device for a sensor housing, which includes: 1) The upper die connecting plate 1, the lower part of the upper die connecting plate 1 is connected with an upper die cavity 3 through a first screw 2, a compression column 5 capable of moving up and down is assembled in the upper die cavity 3, a compression spring 4 is sleeved on the compression column 5, a pressing ring 6 is arranged at the end part of the compression spring 4, and the pressing ring 6 is sleeved at the column end of the compression column 5; the sensor shell 12, the silica gel gasket 14, the upper die connecting plate 13 of the printed board group and the steel pressing ring 11 are sequentially placed, and the pressing column 5 has a pre-pressing force on the upper die connecting plate 11 before the circumference of the upper end face of the upper die connecting plate 12 is inwards bent, so that the pre-compression amount of the upper die connecting plate 14 is realized by adjusting the rigidity of the compression spring 4 and the stroke of the pressing column 5.
2) The upper die connecting plate 13 of the printed board group, the upper die connecting plate 13 of the printed board group is placed in the sensor shell 12; the upper die connecting plate 11 is placed on the upper end surface of the upper die connecting plate 13, so that the influence of stress on the upper die connecting plate 13 when the upper end surface of the upper die connecting plate 12 is bent inwards along the circumference until plastic deformation can be greatly reduced.
3) The upper part of the lower die connecting plate 10 is connected with a lower die cavity 9 through a first screw 2, and the specification and the shape of the lower die cavity 9 are matched with those of the upper die cavity 3. Through the inner conical surface design of the upper die cavity 3, the circumference of the upper end surface of the upper die connecting plate 12 is inwards bent until plastic deformation along with the downward movement of the upper die, and the plastic deformation amount of the upper die connecting plate 12 can be controlled through the adjustment of the angle of the inner conical surface and the oil pressure of the oil press.
In one embodiment of the present utility model, as shown in fig. 1 to 3, the working principle of the present utility model is as follows: the shell riveting device is divided into an upper die and a lower die, the upper die is fixed with a movable column of the oil press, the lower die is fixed with a support of the oil press, the pressure and the stroke of the oil press are adjusted, the upper die moves towards the lower die, and the upper end face of the shell is forced to be bent inwards by utilizing the inner conical surface of the upper die until plastic deformation is achieved, so that the assembly is completed.
In one embodiment of the utility model, the assembly process of the utility model is as follows:
1) Installation lower die
As shown in fig. 1, the lower die cavity 9 and the lower die connecting plate 10 are assembled together through a first screw 2, a sensor housing 12 is placed in a corresponding groove of the lower die cavity 9, and a silica gel gasket 14, a printed board assembly 13 and a steel pressing ring 11 are sequentially placed in the sensor housing 12.
2) Mounting upper die
The pressing ring 6 is assembled on the end face of the upper die cavity 3 through the first screw 2, the compression spring 4 is sleeved on the guide post of the pressing column 5, the pressing column 5 penetrates through the pressing ring 6 from bottom to top through the compression spring 4 from the inner hole of the upper die cavity 3, and the axial end of the pressing column 5 is pressed in by the shaft retainer ring 7 at the groove of the shaft end of the pressing column 5 to fix the axial position of the pressing column 5 on the upper die cavity 3. And then the upper die connecting plate 1 is assembled on the upper die cavity 3 through the first screw 2.
3) Mold closing installation
The upper die is guided and assembled on the lower die according to the broken line of fig. 1, the lower die connecting plate 10 is fixed on a support of the oil press through a pressing plate, the upper die connecting plate 1 of the upper die is fixed on a movable column of the oil press through screws, the stroke and the oil pressure of the oil press are adjusted, and die assembly and debugging are completed.
In one embodiment of the present utility model, as shown in fig. 1 and 2, the operation of the present utility model is as follows:
1) At the initial position, the movable column of the oil press moves to the uppermost end, the upper die and the lower die are separated, a distance (for example, 50 mm) is reserved between the upper die and the lower die, and a sensor shell 12, a silica gel gasket 14, a printed board assembly 13 and a steel pressing ring 11 are sequentially arranged at a groove of the lower die according to the first diagram;
2) The upper die moves downwards along with the moving column of the oil press, is guided by a dotted line, firstly the lower end face of the piece 5 contacts and gradually presses the steel pressing ring 11, and along with the downward movement of the moving column of the oil press, the inner conical surface of the upper die cavity 3 of the upper die presses and presses the upper end face of the sensor housing 12, and along with the increase of the oil pressure of the oil press and the downward movement of the upper die, the inner conical surface of the upper die cavity 3 bends the upper end face of the sensor housing 12 inwards along with the circumference of the upper die until the steel pressing ring 11, the printed board assembly 13 and the silica gel gasket 14 are pressed and press-riveted together.
3) The hydraulic ram is operated to move the button upward, the upper and lower dies are disengaged and moved to the initial position, and the swaged assembly is removed, see fig. 3. The sensor housing 12, the silicone gasket 14, the printed board assembly 13 and the steel press ring 11 are placed in the grooves of the lower die in sequence again, and a new press riveting cycle is started.
In one embodiment of the present utility model, as shown in fig. 1 to 3, each component functions as follows:
upper die connecting plate 1: one surface is connected with the hydraulic motor column, and the other surface is connected with the upper die cavity 3;
Screw one 2: the GB70 standard component is connected with the hydraulic motor column;
Upper die cavity 3: when the hydraulic movable column moves downwards, the conical surface body of the cavity is utilized to realize circumferential inward extrusion;
compression spring 4: providing a pressing force to the upper die connecting plate 11;
Compression column 5: moves along with the upper die and floats upwards under the compression of the compression spring 4, but the pressure on the upper die connecting plate 11 increases;
And (3) pressing ring 6: is fixed with the upper die cavity 3 through a piece 8 to limit one end face of the compression spring 4;
Shaft retainer ring 7: the GB894.1 standard component limits the initial position and the movement direction of the compression column 5;
screw two 8: GB819 standard, the piece 6 being fixed to the upper mould cavity 3;
Lower cavity die 9: the upper end part of the sensor shell is provided with a matching cavity for positioning and placing the sensor shell;
lower die connecting plate 10: one side is connected with the oil press support, and the other side is connected with the piece 9;
steel press ring 11: the upper die connecting plate 13 is protected from stress conduction during plastic deformation of the upper die connecting plate 12;
Sensor housing 12: the upper end part of the structural part of the sensor is extruded inwards in the circumferential direction and is plastically deformed;
printed board assembly 13: a functional component of the sensor;
silica gel gasket 14: the upper die connecting plate 13 is used for assembly and sealing.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (6)
1. A clinching apparatus for a sensor housing, comprising:
The upper die comprises an upper die connecting plate (1), wherein the lower part of the upper die connecting plate (1) is connected with an upper die cavity (3) through a first screw (2), a compression column (5) capable of moving up and down is assembled in the upper die cavity (3), a compression spring (4) is sleeved on the compression column (5), a compression ring (6) is arranged at the end part of the compression spring (4), and the compression ring (6) is sleeved at the column end of the compression column (5);
a printed board assembly (13), the printed board assembly (13) being placed within the sensor housing (12);
The lower die connecting plate (10), lower die cavity (9) is connected with through screw one (2) on lower die connecting plate (10), and lower die cavity (9) specification shape and last die cavity (3) specification shape looks adaptation.
2. The clinching apparatus of claim 1, wherein: and a second screw (8) is arranged between the pressing ring (6) and the upper die cavity (3) for connection and fixation.
3. The clinching apparatus of claim 1, wherein: a steel pressing ring (11) is arranged above the printed board assembly (13), and a silica gel gasket (14) is arranged below the printed board assembly (13).
4. The clinching apparatus of claim 1, wherein: the upper die connecting plate (1) is connected with the hydraulic movable column on one hand and the upper die cavity (3) on the other hand through a first screw (2).
5. The clinching apparatus of claim 1, wherein: the lower die cavity (9) is connected with the oil press support, and the upper end part of the lower die cavity is provided with a matching cavity for positioning and placing the sensor shell (12).
6. The clinching apparatus of claim 1, wherein: the lower die connecting plate (10) is connected with the hydraulic motor column on one hand and the lower die cavity (9) through a screw one (2) on the other hand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323195356.9U CN221434695U (en) | 2023-11-24 | 2023-11-24 | Press riveting device for sensor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323195356.9U CN221434695U (en) | 2023-11-24 | 2023-11-24 | Press riveting device for sensor shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221434695U true CN221434695U (en) | 2024-07-30 |
Family
ID=92059218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323195356.9U Active CN221434695U (en) | 2023-11-24 | 2023-11-24 | Press riveting device for sensor shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221434695U (en) |
-
2023
- 2023-11-24 CN CN202323195356.9U patent/CN221434695U/en active Active
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