CN107855983B - Clamping ring press riveting clamp for automobile pressure sensor - Google Patents
Clamping ring press riveting clamp for automobile pressure sensor Download PDFInfo
- Publication number
- CN107855983B CN107855983B CN201711352102.XA CN201711352102A CN107855983B CN 107855983 B CN107855983 B CN 107855983B CN 201711352102 A CN201711352102 A CN 201711352102A CN 107855983 B CN107855983 B CN 107855983B
- Authority
- CN
- China
- Prior art keywords
- press
- riveting
- positioning block
- clamp
- movable clamp
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Abstract
The invention provides a press-riveting clamp of a pressure sensor press ring of an automobile, which comprises a press-riveting upper die, a movable clamp and a press-riveting lower die which are sequentially arranged from top to bottom, wherein the press-riveting upper die is a cylinder with a stepped hole in the center inside; the press riveting lower die comprises a pressure head, an axial sheath, a spring, a positioning block and a base, wherein the axial sheath and the positioning block are cylinders provided with through holes, the pressure head is fixed on the base, the positioning block is sleeved outside the pressure head, the spring is sleeved on the outer wall of the pressure head and is sleeved on the inner wall of the positioning block, the axial sheath is sleeved on the outer part of the positioning block, and the base, the pressure head, the positioning block, the axial sheath and the spring are all coaxial; the movable clamp is a cylinder with a stepped outer wall and a through hole, round holes are uniformly formed in the outer wall of the lower step of the cylinder, and cake-shaped magnets are arranged in the round holes. The press ring press riveting depth has high accuracy and high product consistency.
Description
Technical Field
The invention relates to a clamping ring riveting clamp of an automobile pressure sensor.
Background
At present, in the assembly process of an automobile pressure sensor, sensitive components in a sensor shell are required to be fixed by a pressing ring, the pressing ring and the shell are in excessive fit, and pressure equipment is required to rivet the sensor shell. The existing riveting clamp is that a shell is put into a lower die, a pressing ring is sleeved into an upper die with a step, the pressing ring cannot be horizontally placed in the shell because the radius size of the pressing ring is larger than the inner diameter of the shell, one hand is required to hold the clamp to control the level of the pressing ring, and then the other hand is required to start pressure equipment to press the pressing ring into the shell, the clamp is taken out, and then parts are taken out. The clamp operation method has potential safety hazards, one hand enters the die, the positioning of the pressing ring and the shell is controlled by manual work, the positioning is deviated, the quality of press riveting is influenced, and the consistency of press riveting is not high.
Disclosure of Invention
The invention provides a press-riveting clamp for a pressure sensor press ring of an automobile, which ensures the accuracy of the press-riveting depth of the press ring and improves the consistency of the product quality through strict size limitation.
The technical scheme of the invention is realized as follows:
the press ring press riveting clamp for the automobile pressure sensor comprises a press riveting upper die 1, a movable clamp 3 and a press riveting lower die which are sequentially arranged from top to bottom, wherein the press riveting upper die 1 is a cylinder with a stepped hole in the center, a magnet 2 is arranged at the bottom of the stepped hole in the press riveting upper die 1, and a shell 10 is anastomosed and placed in the stepped hole in the press riveting upper die 1; the press riveting lower die comprises a press head 5, an axial sheath 6, a spring 7, a positioning block 8 and a base 9, wherein the axial sheath 6 and the positioning block 8 are cylinders provided with through holes, the press head 5 is fixed on the base 9, the positioning block 8 is sleeved outside the press head 5, the spring 7 is sleeved on the outer wall of the press head 5 and on the inner wall of the positioning block 8 in a fit manner, the axial sheath 6 is sleeved outside the positioning block 8 in a fit manner, and the base 9, the press head 5, the positioning block 8, the axial sheath 6 and the spring 7 are coaxial; the movable clamp 3 is a cylinder with a stepped outer wall and a through hole, round holes are uniformly formed in the outer wall of the lower step of the cylinder, and cake-shaped magnets 4 are arranged in the round holes.
Preferably, the base 9 is a cylinder with a stepped hole formed therein, the lower end of the pressure head 5 is disposed in the lower stepped hole of the base 9, and the lower ends of the positioning block 8 and the axial sheath 6 are disposed in the upper stepped hole of the base 9.
Preferably, the radius of the magnet 2 is the same as the radius of the top of the housing 10.
Preferably, the radius of the lower stepped hole of the base 9 is the same as the outer diameter of the ram 5, and the two are in excessive fit.
Preferably, the outer diameter of the upper press riveting die 1 and the outer diameter of the lower step of the movable clamp 3 are the same as the inner diameter of the axial sheath 6; the outer diameter of the pressure head 5 is the same as the diameter of the through hole of the movable clamp 3.
Preferably, the pressing head 5 is provided with a sinking slot hole at the center of the top end.
Preferably, the round holes of the outer circle of the movable clamp 3 are four and are in a circumferential array of 90 degrees, the pressing ring 11 is anastomosed and placed in the through hole of the movable clamp 3, the sensitive components 12 are placed on the pressing ring 11, and the cake-shaped magnet 4 adsorbs the pressing ring 11 to keep a fixed state.
Preferably, the top heights of the axial sheaths 6 are respectively larger than the top heights of the pressure heads 5, and the top heights of the pressure heads 5 are larger than the top heights of the positioning blocks 8.
Preferably, the inner diameter of the spring 7 is the same as the outer diameter of the ram, and the spring can support the movable clamp 3 in a free state.
The beneficial effects of the invention are as follows: compared with the traditional press ring press riveting clamp, the press riveting device has the advantages that the press riveting logic is changed, the pressed piece, namely the press ring, is fixed, the originally fixed shell is moved to be downwards press-riveted in a reverse press mode, and press riveting is completed through relative movement of the press riveting device and the press riveting device. The magnetic paste in the upper die of the clamp is used for fixing the shell, 4 magnets in the movable clamp are used for fixing the compression ring and the sensitive components, the spring is used for supporting the movable clamp, the clearance fit between the outer diameter of the pressure head and the inner diameter of the movable clamp ensures that the movable clamp axially slides on the pressure head, the pressure equipment is started, the shell is pressed downwards along with the upper die and contacts the movable clamp, the movable clamp is pressed, the compression ring and the sensitive components in the holes of the movable clamp are supported by the pressure head and pressed to the positioning block, and the press riveting is completed. In the press riveting process, an operator only needs to place the shell on the upper die, place the press ring and the sensitive components on the movable clamp, and sleeve the movable clamp into the press head, so that the safety problem of hand-in clamp is completely solved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the installation of the press rivet upper die and the shell.
Fig. 3 is a schematic diagram of the movable clamp, the press ring and the electronic component.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The press-riveting clamp for the automobile pressure sensor press ring comprises a press-riveting upper die 1, a movable clamp 3 and a press-riveting lower die which are sequentially arranged from top to bottom, wherein the press-riveting upper die 1 is a cylinder with a stepped hole in the center, a magnet 2 is arranged at the bottom of the stepped hole in the press-riveting upper die 1, and a shell 10 is anastomosed and placed in the stepped hole in the press-riveting upper die 1; the press riveting lower die comprises a press head 5, an axial sheath 6, a spring 7, a positioning block 8 and a base 9, wherein the axial sheath 6 and the positioning block 8 are cylinders provided with through holes, the press head 5 is fixed on the base 9, the positioning block 8 is sleeved outside the press head 5, the spring 7 is sleeved on the outer wall of the press head 5 and on the inner wall of the positioning block 8 in a fit manner, the axial sheath 6 is sleeved outside the positioning block 8 in a fit manner, and the base 9, the press head 5, the positioning block 8, the axial sheath 6 and the spring 7 are coaxial; the movable clamp 3 is a cylinder with a stepped outer wall and a through hole, round holes are uniformly formed in the outer wall of the lower step of the cylinder, and cake-shaped magnets 4 are arranged in the round holes.
In this embodiment, the base 9 is a cylinder with a stepped hole therein, the lower end of the ram 5 is disposed in the lower stepped hole of the base 9, and the lower ends of the positioning block 8 and the axial sheath 6 are disposed in the upper stepped hole of the base 9. The radius of the magnet 2 is the same as the radius of the top of the shell 10; the radius of the lower stepped hole of the base 9 is the same as the outer diameter of the pressure head 5, and the matching relationship between the lower stepped hole and the pressure head 5 is excessive matching; the outer diameter of the press riveting upper die 1 and the outer diameter of the lower step of the movable clamp 3 are the same as the inner diameter of the axial sheath 6; the outer diameter of the pressure head 5 is the same as the diameter of the through hole of the movable clamp 3; the pressing head 5 is provided with a sunk slot hole in the center of the top end, and the sunk slot hole is used for placing a wire harness of the sensitive component 12; the round holes of the outer circle of the movable clamp 3 are four and are in a circumferential array of 90 degrees, the pressing ring 11 is anastomosed and placed in the through hole of the movable clamp 3, the sensitive components 12 are placed on the pressing ring 11, and the cake-shaped magnet 4 adsorbs the pressing ring 11 to keep a fixed state; the top heights of the axial sheath 6 are respectively larger than the top height of the pressure head 5, and the top height of the pressure head 5 is larger than the top height of the positioning block 8; the inner diameter of the spring 7 is the same as the outer diameter of the ram, and the spring can support the movable clamp 3 in a free state.
The middle part of the press riveting upper die 1 is provided with a stepped hole, the bottom of the hole is provided with a magnet 2, the stepped position is used for positioning a shell 10, the magnet 2 at the bottom sucks the shell 10 into the press riveting upper die 1, and the press-riveted assembly is sucked into the press riveting upper die. The movable clamp 3 is a stepped cylinder with a through hole, four ninety-degree round holes are formed in the outer circle of the movable clamp, cake-shaped magnets 4 are arranged in the round holes, the cake-shaped magnets 4 can attract the pressing ring 11 in the middle of the holes, the pressing ring is prevented from falling, and the pressing ring 11 can support sensitive components 12.
The outer diameter of the pressing head 5 is the same as the inner diameter of the movable clamp 3, the movable clamp 3 is ensured to freely slide on the pressing head 5, the movable clamp 3 is supported by the spring force of the spring 7, the outer diameter of the lower step of the upper press riveting die 1 is the same as the inner diameter of the axial sheath 6, the centering of the upper press riveting die and the lower press riveting die is performed, the consistency of the compression ring 11 and the axle center of the shell 10 is ensured, and the press riveting quality is ensured. The height of the movable clamp 3, the height of the pressure head 5, the thickness of the positioning block 8 and the depth of the inner hole of the base 9 determine the pressing depth of the pressure ring 11.
The working principle of the invention is as follows: the pressing ring 11 is placed in an inner hole of the movable clamp 3, the cake-shaped magnet 4 attracts the pressing ring 11 in the middle of the movable clamp, the pressing ring 11 is suspended, the sensitive component 12 is placed on the pressing ring 11, and the pressing ring 11 and the sensitive component 12 are fixed in the movable clamp 3 under the action of magnetic force. The movable clamp 3 is sleeved on the pressing head 5, and the spring 7 is in a natural state, so that the movable clamp 3 is supported on the pressing head 5, the shell 10 is placed into the stepped hole of the upper press riveting die 1, the step can limit the shell 10 and transmit pressure to the shell 10, and the magnet 2 in the upper press riveting die 1 can suck the shell 10 into the upper press riveting die 1, so that the shell 10 cannot fall freely. Starting a press, wherein the press drives the riveting upper die 1 to move downwards together with the shell 10 until the shell 10 is contacted with the movable clamp 3, the pressure is larger than the elastic force of the spring 7, the spring 7 is contracted, the movable clamp 3 slides downwards, the press ring 11 and the sensitive components 12 are supported and do not move downwards together with the movable clamp 3 due to the existence of the press head 5, the press continues to move downwards, the shell 10 continues to move downwards, the press ring 11 and the sensitive components 12 are always sealed in holes until entering the holes of the shell 10, finally the press is pressed until the movable clamp 3 is contacted with the positioning block 8, the press returns, the press ring 11 after the riveting is moved upwards together with the shell 10 along with the riveting upper die 1, the press resets, and an operator takes out a part assembly from the riveting upper die 1 to finish the whole riveting process.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The press-riveting clamp for the automobile pressure sensor press ring is characterized by comprising a press-riveting upper die (1), a movable clamp (3) and a press-riveting lower die which are sequentially arranged from top to bottom, wherein the press-riveting upper die (1) is a cylinder with a stepped hole in the center, a magnet (2) is arranged at the bottom of the stepped hole in the press-riveting upper die (1), and a shell (10) is anastomosed and placed in the stepped hole in the press-riveting upper die (1); the press riveting lower die comprises a press head (5), an axial sheath (6), a spring (7), a positioning block (8) and a base (9), wherein the axial sheath (6) and the positioning block (8) are cylinders with through holes, the press head (5) is fixed on the base (9), the positioning block (8) is sleeved outside the press head (5), the spring (7) is sleeved on the outer wall of the press head (5) in a fit mode and is attached to the inner wall of the positioning block 8, the axial sheath (6) is sleeved on the outer portion of the positioning block (8) in a fit mode, and the base (9), the press head (5), the positioning block (8), the axial sheath (6) and the spring (7) are coaxial; the movable clamp (3) is a cylinder with a stepped outer wall and a through hole, round holes are uniformly formed in the outer wall of the lower step of the cylinder, and cake-shaped magnets (4) are arranged in the round holes;
the outer diameter of the upper press riveting die (1), the outer diameter of the lower step of the movable clamp (3) and the inner diameter of the axial sheath (6) are the same; the outer diameter of the pressure head (5) is the same as the diameter of the through hole of the movable clamp (3);
the round hole of the excircle of the movable clamp (3) is four and is a circumferential array with 90 degrees, the pressing ring (11) is anastomosed and placed in the through hole of the movable clamp (3), the sensitive components (12) are placed on the pressing ring (11), and the pancake magnet (4) adsorbs the pressing ring (11) to keep a fixed state.
2. The pressure sensor press-riveting clamp for the automobile according to claim 1, wherein the base (9) is a cylinder with a stepped hole formed in the inside, the lower end part of the press head (5) is arranged in the lower stepped hole of the base (9), and the lower end parts of the positioning block (8) and the axial sheath (6) are arranged in the upper stepped hole of the base (9).
3. An automotive pressure sensor press ring riveting clamp as claimed in claim 1, characterized in that the radius of the magnet (2) is the same as the radius of the top of the housing (10).
4. The clamping ring riveting clamp for the automobile pressure sensor according to claim 1, wherein the radius of the lower stepped hole of the base (9) is the same as the outer diameter of the pressure head (5), and the matching relationship between the lower stepped hole and the outer diameter is excessive matching.
5. An automobile pressure sensor press ring riveting clamp as claimed in claim 1, characterized in that the center of the top end of the press head (5) is provided with a sunk slot.
6. The press riveting clamp for the pressure sensor press ring of the automobile according to claim 1, wherein the top end heights of the axial sheath (6) are respectively larger than the top end heights of the press head (5), and the top end heights of the press head (5) are larger than the top end heights of the positioning blocks (8).
7. An automobile pressure sensor press ring riveting clamp as claimed in claim 1, characterized in that the inner diameter of the spring (7) is the same as the outer diameter of the press head, and the spring can support the movable clamp (3) in a free state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352102.XA CN107855983B (en) | 2017-12-15 | 2017-12-15 | Clamping ring press riveting clamp for automobile pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352102.XA CN107855983B (en) | 2017-12-15 | 2017-12-15 | Clamping ring press riveting clamp for automobile pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107855983A CN107855983A (en) | 2018-03-30 |
| CN107855983B true CN107855983B (en) | 2023-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711352102.XA Active CN107855983B (en) | 2017-12-15 | 2017-12-15 | Clamping ring press riveting clamp for automobile pressure sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN107855983B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238796B (en) * | 2019-07-30 | 2024-03-26 | 无锡市特种压力表有限公司 | Quick sealing and locking device for pressure gauge |
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| CN107855983A (en) | 2018-03-30 |
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Address after: 441106 Changshan Road, Dongjin New Area (Economic Development Zone), Xiangyang City, Hubei Province Applicant after: Dongfeng Power Drive System Co.,Ltd. Address before: 441001 Jiangshan South Road Venture Center, Xiangyang High-tech Zone, Hubei Province Applicant before: DONGFENG AUTOMOBILE ELECTRONICS Co.,Ltd. |
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