CN104858832A - Silencer inner core press-mounting device use method - Google Patents
Silencer inner core press-mounting device use method Download PDFInfo
- Publication number
- CN104858832A CN104858832A CN201510171608.5A CN201510171608A CN104858832A CN 104858832 A CN104858832 A CN 104858832A CN 201510171608 A CN201510171608 A CN 201510171608A CN 104858832 A CN104858832 A CN 104858832A
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- CN
- China
- Prior art keywords
- noise reduction
- cylindrical shell
- reduction cylindrical
- inner core
- push rod
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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
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- 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
- 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
- B25B27/026—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 fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a silencer inner core press-mounting device use method. According to the method, when a pushing assembly acts on an inner core, a silencer cylinder body moves a section distance continuously till the bottom of the silencer cylinder body is in contact with the upper end part of a push rod, and then the continuous move of the silencer cylinder body is limited to ensure stable fixing of the silencer cylinder body in the press mounting process of the inner core, so that three-point clamping of the silencer cylinder body is realized, and deflected displacement or radial run-out of the silencer cylinder body during press mounting is avoided, the fastening of the silencer cylinder body can be ensured during the pushing of the inner core, and the purpose of improving the inner core press mounting efficiency is realized accordingly.
Description
Technical field
The present invention relates to a kind of pressing machine, specifically refer to the using method of muffler inner core pressing device.
Background technology
In order to meet day by day harsh environmental regulation requirement, the enterprise of many countries is all in the technology of research mass production cartridge type clarifier, existing cartridge type purifying muffler outlet side is arranged on round center mostly, the manufacturing technology of this clarifier is very ripe, can directly carry out press-fiting production.But press-fit in process actual, frequent generation noise reduction cylindrical shell occur crack or in core cannot normally be press fit into suitable position, and then greatly reduce the service behaviour of muffler, trace it to its cause, because press down in process at inner core, the fixing appearance of noise reduction cylindrical shell loosens, and makes inner core radial swing occur in cylindrical shell and cause press-fiting failure.
Summary of the invention
The object of the present invention is to provide the using method of muffler inner core pressing device, making inner core ensure the fastening of noise reduction cylindrical shell when pressing down, and then reach the object that core in raising press-fits efficiency.
Object of the present invention is achieved through the following technical solutions:
The using method of muffler inner core pressing device, comprises the following steps:
(A) noise reduction cylindrical shell is placed in cone-shaped cavity, until the outer wall of noise reduction cylindrical shell and the contact internal walls of through hole, now start driving arrangement, make cross bar start to move down, the chuck the being positioned at fixed head end then direct outer wall by noise reduction cylindrical shell is held the axis made it along securing member tightly and is moved;
(B) in the process that moves down at noise reduction cylindrical shell of rubber ring directly and its wall contacts, to prevent the outer wall of hush pipe body rigid impaired, simultaneously when pressing down parts to inner core effect, noise reduction cylindrical shell can continue to move down a segment distance in through hole, namely movement is cushioned, until the bottom of noise reduction cylindrical shell contacts with the upper end of push rod, the continuation of restriction noise reduction cylindrical shell is moved, and then guarantee that the stability that inner core press-fits period noise reduction cylindrical shell is fixed, by push rod top, act on while through-hole wall and chuck, realize 3 clampings to noise reduction cylindrical shell, thoroughly avoid noise reduction cylindrical shell and press-fit the deflection displacement or circular runout that occur in process, inner core is made to ensure the fastening of noise reduction cylindrical shell when pressing down,
(C) when the lower end major part of noise reduction cylindrical shell enters after in through hole, driving arrangement quits work, and certain spacing is left in the bottom of the end-to-end distance noise reduction cylindrical shell of push rod, then press-fits operation to the work of inner core in order to what complete muffler by pressing down parts;
(D) multiple spring is set between cross bar and base, can impulsive force when pressing down parts and moving down suffered by damper push rod, and then reduce the internal impact loss percentage of fixed structure;
In above-mentioned steps, have up big and down small cone-shaped cavity at the middle part of described securing member, and be connected with through hole in the lower end of cone-shaped cavity, the internal diameter of described through hole is identical with the external diameter of noise reduction cylindrical shell, the inwall of through hole arranges cannelure, in cannelure, is longitudinally arranged side by side multiple rubber ring; Also comprise mutual cross bar connected vertically and push rod, be fixed with respectively through the push rod of base, securing member at the two ends of cross bar, the end of push rod is connected with fixed head, and the end relative at two fixed heads is provided with chuck, between described cross bar and base, be also provided with multiple spring.
Further, the internal diameter counting rubber ring described in last is from top to bottom less than the external diameter of described noise reduction cylindrical shell.For improving the laying state of noise reduction cylindrical shell in through hole, the present invention will count last rubber ring from top to bottom and extend to through hole center, the internal diameter of this rubber ring is made to be less than the external diameter of noise reduction cylindrical shell, namely when noise reduction cylindrical shell is displaced downwardly to the tip contact of its bottom and push rod, certain deformation can be there is in this rubber ring, and the pulling force that deformation produces when press-fiting for core in cushioning noise reduction cylindrical shell continue the trend of movement downwards, reduction noise reduction cylindrical shell bottom impact that push rod is caused simultaneously.
Further, the cross section of described chuck is circular arc, and at the bottom of the arc of two chucks between spacing identical with the external diameter of noise reduction cylindrical shell.Fixed head moves with push rod and does the rectilinear motion on vertical direction, the movement locus of chuck is consistent with fixed head, when noise reduction cylindrical shell is placed in cone-shaped cavity, two chucks carry out semi-packing type clamping to the outer wall of noise reduction cylindrical shell, and moving down and move down with push rod, ensure that noise reduction cylindrical shell keeps correct station in cone-shaped cavity, the efficiency press-fited with core in improving.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention is when pressing down parts to inner core effect, noise reduction cylindrical shell can continue to move down a segment distance in through hole, namely movement is cushioned, until the bottom of noise reduction cylindrical shell contacts with the upper end of push rod, the continuation of restriction noise reduction cylindrical shell is moved, and then guarantee that the stability that inner core press-fits period noise reduction cylindrical shell is fixed, by push rod top, act on while through-hole wall and chuck, realize 3 clampings to noise reduction cylindrical shell, thoroughly avoid noise reduction cylindrical shell and press-fit the deflection displacement or circular runout that occur in process, inner core is made to ensure the fastening of noise reduction cylindrical shell when pressing down, and then reach the object that core in raising press-fits efficiency,
2, the present invention improves the laying state of noise reduction cylindrical shell in through hole, the present invention will count last rubber ring from top to bottom and extend to through hole center, the internal diameter of this rubber ring is made to be less than the external diameter of noise reduction cylindrical shell, namely when noise reduction cylindrical shell is displaced downwardly to the tip contact of its bottom and push rod, certain deformation can be there is in this rubber ring, and the pulling force that deformation produces when press-fiting for core in cushioning noise reduction cylindrical shell continue the trend of movement downwards, reduction noise reduction cylindrical shell bottom impact that push rod is caused simultaneously;
3, fixed head of the present invention moving and do the rectilinear motion on vertical direction with push rod, the movement locus of chuck is consistent with fixed head, when noise reduction cylindrical shell is placed in cone-shaped cavity, two chucks carry out semi-packing type clamping to the outer wall of noise reduction cylindrical shell, and moving down and move down with push rod, ensure that noise reduction cylindrical shell keeps correct station in cone-shaped cavity, the efficiency press-fited with core in improving.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Mark and corresponding parts title in accompanying drawing:
1-base, 2-securing member, 3-push rod, 4-fixed head, 5-rubber ring, 6-chuck, 7-noise reduction cylindrical shell, 8-push rod, 9-cone-shaped cavity, 10-cross bar, 11-spring.
Detailed description of the invention
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment comprises the following steps:
(A) noise reduction cylindrical shell is placed in cone-shaped cavity, until the outer wall of noise reduction cylindrical shell and the contact internal walls of through hole, now start driving arrangement, make cross bar start to move down, the chuck the being positioned at fixed head end then direct outer wall by noise reduction cylindrical shell is held the axis made it along securing member tightly and is moved;
(B) in the process that moves down at noise reduction cylindrical shell of rubber ring directly and its wall contacts, to prevent the outer wall of hush pipe body rigid impaired, simultaneously when pressing down parts to inner core effect, noise reduction cylindrical shell can continue to move down a segment distance in through hole, namely movement is cushioned, until the bottom of noise reduction cylindrical shell contacts with the upper end of push rod, the continuation of restriction noise reduction cylindrical shell is moved, and then guarantee that the stability that inner core press-fits period noise reduction cylindrical shell is fixed, by push rod top, act on while through-hole wall and chuck, realize 3 clampings to noise reduction cylindrical shell, thoroughly avoid noise reduction cylindrical shell and press-fit the deflection displacement or circular runout that occur in process, inner core is made to ensure the fastening of noise reduction cylindrical shell when pressing down,
(C) when the lower end major part of noise reduction cylindrical shell enters after in through hole, driving arrangement quits work, and certain spacing is left in the bottom of the end-to-end distance noise reduction cylindrical shell of push rod, then press-fits operation to the work of inner core in order to what complete muffler by pressing down parts;
(D) multiple spring is set between cross bar and base, can impulsive force when pressing down parts and moving down suffered by damper push rod, and then reduce the internal impact loss percentage of fixed structure;
In above-mentioned steps, have up big and down small cone-shaped cavity 9 at the middle part of described securing member 2, and be connected with through hole in the lower end of cone-shaped cavity 9, the internal diameter of described through hole is identical with the external diameter of noise reduction cylindrical shell 7, the inwall of through hole arranges cannelure, in cannelure, is longitudinally arranged side by side multiple rubber ring 5; Also comprise mutual cross bar connected vertically 10 and push rod 8, be fixed with respectively through the push rod 3 of base 1, securing member 2 at the two ends of cross bar 10, the end of push rod 3 is connected with fixed head 4, the end relative at two fixed heads 4 is provided with chuck 6, between described cross bar 10 and base 1, be also provided with multiple spring 11.
Push rod 8 is connected with driving arrangements such as cylinders, and when clamping tooling is positioned at original state, fixed head 4 is separated with securing member 2, and the top of push rod 8 is positioned at through hole, when the present invention works, first noise reduction cylindrical shell 7 is placed in cone-shaped cavity 9, until the outer wall of noise reduction cylindrical shell 7 and the contact internal walls of through hole, now start driving arrangement, cross bar 10 is made to start to move down, the chuck 6 being positioned at fixed head 4 end is then directly held the outer wall of noise reduction cylindrical shell 7 tightly make it along securing member 2 axis and is moved, when the lower end major part of noise reduction cylindrical shell 7 enters after in through hole, driving arrangement quits work, and certain spacing is left in the bottom of the end-to-end distance noise reduction cylindrical shell 7 of push rod 8, by pressing down parts, in order to what complete muffler, operation is press-fited to the work of inner core again, and multiple spring 11 is set between cross bar 10 and base 1, can impulsive force when pressing down parts and moving down suffered by damper push rod 8, and then reduce the internal impact loss percentage of fixed structure,
In the process that the multiple rubber rings 5 installed in its intermediate annular groove move down at noise reduction cylindrical shell 7 directly and its wall contacts, to prevent the outer wall of hush pipe body 7 rigid impaired, simultaneously when pressing down parts to inner core effect, noise reduction cylindrical shell 7 can continue to move down a segment distance in through hole, namely movement is cushioned, until the bottom of noise reduction cylindrical shell 7 contacts with the upper end of push rod 8, the continuation of restriction noise reduction cylindrical shell 7 is moved, and then guarantee that the stability that inner core press-fits period noise reduction cylindrical shell 7 is fixed, by push rod 8 top, act on while through-hole wall and chuck 6, realize 3 clampings to noise reduction cylindrical shell 7, thoroughly avoid noise reduction cylindrical shell 7 and press-fit the deflection displacement or circular runout that occur in process, inner core is made to ensure the fastening of noise reduction cylindrical shell 7 when pressing down, and then reach the object that core in raising press-fits efficiency.
As preferably, the internal diameter counting rubber ring 5 described in last is from top to bottom less than the external diameter of described noise reduction cylindrical shell 7.For improving the laying state of noise reduction cylindrical shell 7 in through hole, the present invention will count last rubber ring 5 from top to bottom and extend to through hole center, the internal diameter of this rubber ring 5 is made to be less than the external diameter of noise reduction cylindrical shell 7, namely when noise reduction cylindrical shell 7 is displaced downwardly to the tip contact of its bottom and push rod 8, certain deformation can be there is in this rubber ring 5, and the pulling force that deformation produces when press-fiting for core in cushioning noise reduction cylindrical shell 7 continue the trend of movement downwards, reduction noise reduction cylindrical shell 7 bottom impact that push rod 8 is caused simultaneously.
Fixed head 4 moves with push rod 3 and does the rectilinear motion on vertical direction, the movement locus of chuck 6 is consistent with fixed head 4, when noise reduction cylindrical shell 7 is placed in cone-shaped cavity 9, the outer wall of two chucks, 6 pairs of noise reduction cylindrical shells 7 carries out semi-packing type clamping, and moving down and move down with push rod 8, ensure noise reduction cylindrical shell 7 station that maintenance is correct cone-shaped cavity 9 in, the efficiency press-fited with core in improving.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the using method of muffler inner core pressing device, is characterized in that: comprise the following steps:
(A) noise reduction cylindrical shell (7) is placed in cone-shaped cavity (9), until the outer wall of noise reduction cylindrical shell (7) and the contact internal walls of through hole, now start driving arrangement, make cross bar (10) start to move down, the chuck (6) being positioned at fixed head (4) the end then direct outer wall by noise reduction cylindrical shell (7) is held the axis made it along securing member (2) tightly and is moved;
(B) in the process that moves down at noise reduction cylindrical shell (7) of rubber ring (5) directly and its wall contacts, to prevent the outer wall of hush pipe body (7) rigid impaired, simultaneously when pressing down parts to inner core effect, noise reduction cylindrical shell (7) can continue to move down a segment distance in through hole, namely movement is cushioned, until the bottom of noise reduction cylindrical shell (7) contacts with the upper end of push rod (8), the continuation of restriction noise reduction cylindrical shell (7) is moved, and then guarantee that inner core press-fits the stability of period noise reduction cylindrical shell (7) and fixes, by push rod (8) top, act on while through-hole wall and chuck (6), realize 3 clampings to noise reduction cylindrical shell (7), thoroughly avoid noise reduction cylindrical shell (7) and press-fit the deflection displacement or circular runout that occur in process, inner core is made to ensure the fastening of noise reduction cylindrical shell (7) when pressing down,
(C) when the lower end major part of noise reduction cylindrical shell (7) enters after in through hole, driving arrangement quits work, and certain spacing is left in the bottom of the end-to-end distance noise reduction cylindrical shell (7) of push rod (8), then by pressing down parts, in order to what complete muffler, operation is press-fited to the work of inner core;
(D) multiple spring (11) is set between cross bar (10) and base (1), can impulsive force when pressing down parts and moving down suffered by damper push rod (8), and then reduce the internal impact loss percentage of fixed structure;
In above-mentioned steps, up big and down small cone-shaped cavity (9) is had at the middle part of described securing member (2), and be connected with through hole in the lower end of cone-shaped cavity (9), the internal diameter of described through hole is identical with the external diameter of noise reduction cylindrical shell (7), the inwall of through hole arranges cannelure, in cannelure, is longitudinally arranged side by side multiple rubber ring (5); Also comprise mutual cross bar connected vertically (10) and push rod (8), be fixed with respectively through the push rod (3) of base (1), securing member (2) at the two ends of cross bar (10), the end of push rod (3) is connected with fixed head (4), the end relative two fixed heads (4) is provided with chuck (6), is also provided with multiple spring (11) between described cross bar (10) and base (1).
2. the using method of muffler inner core pressing device according to claim 1, is characterized in that: the internal diameter counting rubber ring (5) described in last is from top to bottom less than the external diameter of described noise reduction cylindrical shell (7).
3. the using method of muffler inner core pressing device according to claim 1 and 2, is characterized in that: the cross section of described chuck (6) is circular arc, and at the bottom of the arc of two chucks (6) between spacing identical with the external diameter of noise reduction cylindrical shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171608.5A CN104858832A (en) | 2015-04-13 | 2015-04-13 | Silencer inner core press-mounting device use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171608.5A CN104858832A (en) | 2015-04-13 | 2015-04-13 | Silencer inner core press-mounting device use method |
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| Publication Number | Publication Date |
|---|---|
| CN104858832A true CN104858832A (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510171608.5A Pending CN104858832A (en) | 2015-04-13 | 2015-04-13 | Silencer inner core press-mounting device use method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5201501A (en) * | 1991-02-18 | 1993-04-13 | Essilor International Compagnie Generale D'optique | Unit for grasping and clamping circular objects |
| US6458022B1 (en) * | 1999-10-21 | 2002-10-01 | Smw Autoblok Spannsysteme Gmbh | Self-centering steady rest clamping device |
| CN201376179Y (en) * | 2009-04-08 | 2010-01-06 | 长春宏远电器设备制造有限责任公司 | Core installing machine |
| CN102335827A (en) * | 2011-09-09 | 2012-02-01 | 江苏飞船股份有限公司 | Fixture for positioning and broaching bevel gear tooth surface |
| CN202571844U (en) * | 2012-03-02 | 2012-12-05 | 南京数控机床有限公司 | Spring collet capable of clamping by rubber ring |
| CN202825632U (en) * | 2013-02-02 | 2013-03-27 | 宁波勋辉电器有限公司 | Double-arm single-function hinge clamping mechanism of silencer clamp spring assembly fixture |
| CN203679670U (en) * | 2014-01-22 | 2014-07-02 | 无锡威孚力达催化净化器有限责任公司 | Perpendicular and eccentric press-mounting mechanism for cylinder purification sound eliminator packaging |
| CN104493527A (en) * | 2014-12-21 | 2015-04-08 | 重庆钰康机械有限公司 | Three-point type pipe centering and clamping mechanism |
-
2015
- 2015-04-13 CN CN201510171608.5A patent/CN104858832A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5201501A (en) * | 1991-02-18 | 1993-04-13 | Essilor International Compagnie Generale D'optique | Unit for grasping and clamping circular objects |
| US6458022B1 (en) * | 1999-10-21 | 2002-10-01 | Smw Autoblok Spannsysteme Gmbh | Self-centering steady rest clamping device |
| CN201376179Y (en) * | 2009-04-08 | 2010-01-06 | 长春宏远电器设备制造有限责任公司 | Core installing machine |
| CN102335827A (en) * | 2011-09-09 | 2012-02-01 | 江苏飞船股份有限公司 | Fixture for positioning and broaching bevel gear tooth surface |
| CN202571844U (en) * | 2012-03-02 | 2012-12-05 | 南京数控机床有限公司 | Spring collet capable of clamping by rubber ring |
| CN202825632U (en) * | 2013-02-02 | 2013-03-27 | 宁波勋辉电器有限公司 | Double-arm single-function hinge clamping mechanism of silencer clamp spring assembly fixture |
| CN203679670U (en) * | 2014-01-22 | 2014-07-02 | 无锡威孚力达催化净化器有限责任公司 | Perpendicular and eccentric press-mounting mechanism for cylinder purification sound eliminator packaging |
| CN104493527A (en) * | 2014-12-21 | 2015-04-08 | 重庆钰康机械有限公司 | Three-point type pipe centering and clamping mechanism |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150826 |
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| RJ01 | Rejection of invention patent application after publication |