CN112775384B - Multi-station lower die changing device for squeeze riveter - Google Patents
Multi-station lower die changing device for squeeze riveter Download PDFInfo
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- CN112775384B CN112775384B CN202110166715.4A CN202110166715A CN112775384B CN 112775384 B CN112775384 B CN 112775384B CN 202110166715 A CN202110166715 A CN 202110166715A CN 112775384 B CN112775384 B CN 112775384B
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- lower die
- push rod
- seat
- movable
- guide groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
Abstract
The invention provides a multi-station lower die changing device for a squeeze riveter, which comprises a rack, a lower die changing mechanism and a movable squeeze riveter seat mechanism, wherein the lower die changing mechanism and the movable squeeze riveter seat mechanism are respectively arranged on the rack, the lower die changing mechanism comprises die changing branches and an installation assembly, the installation assembly is arranged on the rack, the die changing branches are arranged on the installation assembly, at least two die changing branches are arranged in parallel, each die changing branch comprises a lower die driving cylinder, a movable joint, a lower die push rod guide fixing block and a lower die, and the lower die driving cylinder is movably connected with the lower die push rod through the movable joint. The invention has the beneficial effects that: the multi-station switching of the lower die can be realized, the die changing efficiency is improved, and the riveting device can be used for riveting the rivets with two or more specifications.
Description
Technical Field
The invention relates to a squeeze riveter, in particular to a multi-station lower die changing device for the squeeze riveter.
Background
The lower die of the traditional squeeze riveter is of a station structure, squeeze riveting of rivets with two or more specifications can be realized only through manual die changing, and die changing efficiency is low.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a multi-station lower die changing device for a squeeze riveter.
The invention provides a multi-station lower die changing device for a squeeze riveter, which comprises a rack, a lower die changing mechanism and a movable squeeze riveter seat mechanism, wherein the lower die changing mechanism and the movable squeeze riveter seat mechanism are respectively arranged on the rack, the lower die changing mechanism comprises die changing branches and an installation assembly, the installation assembly is arranged on the rack, the die changing branches are arranged on the installation assembly, at least two die changing branches are arranged in parallel, each die changing branch comprises a lower die driving cylinder, a movable joint, a lower die push rod guide fixing block and a lower die, the lower die driving cylinder is movably connected with the lower die push rod through the movable joint, a lower die push rod guide groove is arranged on the lower die push rod guide fixing block, the lower die push rod is arranged in the lower die push rod guide groove and forms a moving pair with the lower die push rod guide groove, and the lower die is arranged on the lower die push rod.
As a further improvement of the invention, a bottom guide groove is arranged at the bottom of the lower die push rod guide groove, a bottom guide slide block is arranged at the bottom of the lower die push rod, and the bottom guide slide block is arranged in the bottom guide groove and forms a moving pair with the bottom guide groove.
As a further improvement of the invention, the movable joint is a hinge joint.
As a further improvement of the invention, the mounting assembly comprises a lower die cylinder mounting seat and a lower die guide plate, the lower die driving cylinder is mounted on the lower die cylinder mounting seat, and the lower die push rod guide fixing block is fixed on the lower die guide plate.
As a further improvement of the invention, the lower die cylinder mounting seat comprises a cylinder front mounting plate and a cylinder rear mounting plate which are parallel, the front end of the lower die driving cylinder is fixed on the cylinder front mounting plate, and the rear end of the lower die driving cylinder is fixed on the cylinder rear mounting plate.
As a further improvement of the invention, the movable press riveting base mechanism comprises a translation assembly, a movable base, a lower die push rod guide base and a lower base, wherein the translation assembly is mounted on the frame, the translation direction of the translation assembly is perpendicular to the telescopic direction of the lower die driving cylinder, the translation assembly is connected with the movable base, the lower die push rod guide base and the lower base are respectively fixed on the movable base, a transition section guide groove matched with the lower die push rod is arranged on the lower die push rod guide base, a lower die guide groove matched with the lower die push rod is arranged on the lower base, the transition section guide groove and the lower die guide groove are arranged in a collinear manner, and the lower die push rod guide groove is parallel to or coincident with the transition section guide groove.
As a further improvement of the invention, the cross section structures of the lower die push rod guide groove, the transition section guide groove and the lower die guide groove are the same.
As a further improvement of the invention, the end part of the transition section guide groove close to the lower die push rod guide groove is provided with a leading-in flaring.
As a further improvement of the invention, the end part of the lower die push rod guide groove close to the transition section guide groove is provided with a leading-in flaring.
As a further improvement of the present invention, the translation assembly includes a servo motor, a lead screw, a motor mounting seat, a lead screw mounting seat, a movable die holder connecting plate, a slide rail seat and a lead screw connecting plate, the motor mounting seat and the lead screw mounting seat are respectively mounted on the slide rail seat, the servo motor is mounted on the motor mounting seat, the lead screw is mounted on the lead screw mounting seat, the servo motor is connected with the lead screw, the lead screw is connected with the movable die holder through the lead screw connecting plate, the movable die holder is mounted on the slide rail seat and forms a moving pair with the slide rail seat, the movable die holder connecting plate is L-shaped and respectively includes a vertical part and a horizontal part, the movable die holder is connected with the vertical part of the movable die holder connecting plate, the horizontal part of the movable die holder connecting plate is parallel to the slide rail seat, and a gap is provided between the horizontal part of the movable die holder connecting plate and the slide rail seat.
As a further development of the invention, the gap is between 0.1mm and 1 mm.
The invention has the beneficial effects that: through the scheme, the multi-station switching of the lower die can be realized, the die changing efficiency is improved, and the riveting device can be used for riveting rivets of two or more specifications.
Drawings
Fig. 1 is an overall schematic view of a multi-station lower die changing device for a squeeze riveter according to the present invention.
Fig. 2 is an assembly schematic diagram of a multi-station lower die changing device for a squeeze riveter.
Fig. 3 is an exploded view of a lower die changing mechanism of a multi-station lower die changing device for a squeeze riveter according to the present invention.
Fig. 4 is a partial schematic view of a lower die changing mechanism of a multi-station lower die changing device for a squeeze riveter according to the invention.
Fig. 5 is a schematic perspective view of a lower die changing mechanism of a multi-station lower die changing device for a squeeze riveter according to the present invention.
Fig. 6 is an exploded view of a movable rivet seat mechanism of a multi-station lower die changing device for a squeeze riveter according to the present invention.
Fig. 7 is a schematic perspective view of a movable rivet seat mechanism of a multi-station lower die changing device for a squeeze riveter according to the present invention.
Fig. 8 is a perspective view of another perspective view of the movable riveting seat mechanism of the multi-station lower die changing device for the squeeze riveter.
Detailed Description
The invention is further described in the following description and embodiments with reference to the drawings.
As shown in fig. 1 to 8, a multi-station lower die changing device for a squeeze riveter comprises a rack, a lower die changing mechanism 9 and a movable squeeze riveter seat mechanism 10, wherein the rack comprises a lower rack 1 and an upper rack 2, the lower rack 1 and the upper rack 2 are locked and connected through locking screws, the lower die changing mechanism 9 is connected with the upper rack 2 through screws and used for switching different lower dies 97 at different oil cylinder positions, and the movable squeeze riveter seat mechanism 10 is connected with the lower rack 2 through screws and used for moving to different oil cylinder positions so that the lower dies 97 of the lower die changing mechanism 9 can be conveniently conveyed into a lower die seat 109.
The lower die changing mechanism 9 includes die changing branches and a mounting assembly, the die changing branches are mounted on the mounting assembly, at least two die changing branches are arranged in parallel, each die changing branch represents a station, for example, four die changing branches can be adopted to realize switching of four lower dies 97 with different specifications of four stations.
The die change branch comprises a lower die driving cylinder 92, a movable joint 91, a lower die push rod 93, a lower die push rod guide fixing block 96 and a lower die 97, the lower die driving cylinder 92 is movably connected with the lower die push rod 93 through the movable joint 91, a lower die push rod guide groove 961 is formed in the lower die push rod guide fixing block 96, the lower die push rod 93 is arranged in the lower die push rod guide groove 961 and forms a moving pair with the lower die push rod guide groove 961, and the lower die push rod 93 can slide back and forth in the lower die push rod guide groove 961.
The lower die 97 is installed on the lower die push rod 93, and the lower die push rod 93 is used for pushing the lower die 97 to move back and forth.
The movable joint 91 is preferably a hinge joint, so that the lower die push rod 93 can be prevented from being blocked in the sliding process, and the buffer transition effect is realized.
A bottom guide groove 962 is formed in the bottom of the lower mold push rod guide groove 961, a bottom guide sliding block is arranged at the bottom of the lower mold push rod 93, and the bottom guide sliding block is arranged in the bottom guide groove 962 and forms a sliding pair with the bottom guide groove 962, so that the sliding stability of the lower mold push rod 93 can be improved.
The lower die push rod guide groove 961 is finish machined and matched with the external dimension of the lower die push rod 93 to play a role in positioning and guiding.
The mounting assembly comprises a lower die air cylinder mounting seat and a lower die guide plate 98, the lower die driving air cylinder 92 is mounted on the lower die air cylinder mounting seat, and the lower die push rod guide fixing block 96 is fixed on the lower die guide plate 98.
The lower die cylinder mounting base comprises a cylinder front mounting plate 94 and a cylinder rear mounting plate 95 which are parallel, the front end of the lower die driving cylinder 92 is fixed on the cylinder front mounting plate 94, and the rear end of the lower die driving cylinder 92 is fixed on the cylinder rear mounting plate 95.
The movable riveting base mechanism 10 comprises a translation assembly, a movable base 107, a lower die push rod guide seat 108 and a lower die base 109, wherein the translation direction of the translation assembly is perpendicular to the telescopic direction of the lower die driving cylinder 92, the lower die driving cylinder 92 drives the lower die 97 to move longitudinally back and forth, and the translation assembly drives the movable base 107 to move transversely left and right.
The translation assembly is connected with the movable die holder 107, the lower die push rod guide seat 108 and the lower die holder 109 are respectively fixed on the movable die holder 107, a transition section guide groove 1081 matched with the lower die push rod 93 is arranged on the lower die push rod guide seat 108, a lower die guide groove 1091 matched with the lower die push rod 93 is arranged on the lower die holder 109, the transition section guide groove 1081 and the lower die guide groove 1091 are arranged in a collinear manner, and the lower die push rod guide groove 961 is parallel to or coincided with the transition section guide groove 1081.
The cross-sectional structures of the lower die push rod guide groove 961, the transition section guide groove 1081 and the lower die guide groove 1091 are the same.
The end of the transition section guide groove 1081 adjacent to the lower mold push rod guide groove 961 is provided with a guide-in flared opening 1082 for smooth guide-in of the lower mold push rod 93.
The lower die push rod guide groove 961 is provided with a leading-in flaring 963 at the end part close to the transition section guide groove 1081, and the leading-in flaring 963 can be used for smoothly leading in the lower die push rod 93.
The translation assembly comprises a servo motor 101, a screw rod 102, a motor mounting seat 103, a screw rod mounting seat 104, a movable die holder connecting plate 105, a slide rail seat 106 and a screw rod connecting plate 1010, wherein the motor mounting seat 103 and the screw rod mounting seat 104 are respectively mounted on the slide rail seat 106, the servo motor 101 is mounted on the motor mounting seat 103, the screw rod 102 is mounted on the screw rod mounting seat 104, the servo motor 101 is connected with the screw rod 102, the screw rod 102 is connected with the movable die holder 107 through the screw rod connecting plate 1010, the movable die holder 107 is mounted on the slide rail seat 106 and forms a moving pair with the slide rail seat 106, the movable die holder connecting plate 105 is L-shaped and is respectively a vertical part 1051 and a horizontal part 1052, the movable die holder 107 is connected with the vertical part 1051 of the movable die holder connecting plate 105, the horizontal part 1052 of the movable die holder connecting plate 105 is parallel to the slide rail seat 106, and a gap 1053 is arranged between the horizontal part 1052 of the movable die holder connecting plate 105 and the slide rail seat 106.
The gap 1053 is between 0.1mm and 1 mm.
The gap 1053 is preferably 0.2mm, which facilitates the movement of the movable die holder 107 and ensures that the movable die holder 107 does not damage the lead screw 102 due to excessive lateral force during the moving and riveting process.
The boss of the movable die holder 107 is precisely matched with the inner groove of the slide rail seat 106, so that the movable die holder can move smoothly and the longitudinal position of the movable die holder cannot deviate.
According to the multi-station lower die changing device for the squeeze riveter, only one corresponding lower die 97 is arranged in the lower die holder 109 in the squeeze riveting process, and the rest lower dies 97 return to the lower die push rod guide fixing block 96; when the station is switched, all the lower dies 97 in the lower die changing mechanism 9 return to the inside of the lower die push rod guide fixing block 96, the moving press riveting base mechanism 10 can move, after the corresponding station is moved, the corresponding lower dies 97 move into the lower die base 109 under the pushing of the lower die driving cylinder 92, and the specific switching process is as follows: the lower die driving cylinder 92 drives the lower die push rod 93 to drive the lower die 97 to reset to an initial state, namely, the lower die push rod 93 longitudinally retreats from the lower die guide groove 1091 and returns to the lower die push rod guide groove 961 through the transition section guide groove 1081, at the moment, the servo motor 101 drives the movable die holder 107 to transversely move left and right to drive the lower die push rod guide seat 108 and the lower die holder 109 to be aligned with the lower die push rod guide fixing block 96 of a target station, and the lower die driving cylinder 92 drives the lower die push rod 93 to longitudinally advance and reach the lower die guide groove 1091 through the transition section guide groove 1081, so that the lower die 97 is conveyed to a clinching position corresponding to the station, and switching of the lower die 97 is realized.
The multi-station squeeze riveter provided by the invention can realize the switching of the lower dies 97 of multiple stations, improve the die changing efficiency and reduce the time for waiting for the riveting process of products and switching dies.
The foregoing is a further detailed description of the invention in connection with specific preferred embodiments and it is not intended to limit the invention to the specific embodiments described. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. The utility model provides a multistation lower mould retooling device for squeeze riveter which characterized in that: the lower die changing mechanism and the movable pressing riveting seat mechanism are respectively installed on the installation assembly, the die changing branches are at least two and are arranged in parallel, the die changing branches comprise a lower die driving cylinder, a movable joint, a lower die push rod guiding fixing block and a lower die, the lower die driving cylinder passes through the movable joint and is movably connected with the lower die push rod, a lower die push rod guiding groove is formed in the lower die push rod guiding fixing block, the lower die push rod is arranged in the lower die push rod guiding groove and forms a moving pair with the lower die push rod guiding groove, the lower die is installed on the lower die push rod, the movable pressing riveting seat mechanism comprises a translation assembly, a movable die seat, a lower die push rod guiding seat and a die seat, the translation assembly is installed on the frame, the translation direction of the translation assembly is perpendicular to the telescopic direction of the driving cylinder, the translation assembly is connected with the movable die seat, the lower die push rod guiding seat and the die seat are respectively fixed on the movable pressing riveting seat, the lower die push rod is arranged on the lower die seat, the movable pressing riveting seat, the lower die push rod guiding groove is matched with the lower die guide groove, and the lower die push rod guiding groove are arranged in a collinear guide groove section, and matched with the lower die guide groove.
2. The multi-station lower die changing device for the squeeze riveter according to claim 1, wherein: the bottom of the lower die push rod guide groove is provided with a bottom guide groove, the bottom of the lower die push rod is provided with a bottom guide sliding block, and the bottom guide sliding block is arranged in the bottom guide groove and forms a sliding pair with the bottom guide groove.
3. The multi-station lower die changing device for the squeeze riveter according to claim 1, wherein: the mounting assembly comprises a lower die cylinder mounting seat and a lower die guide plate, the lower die drives a cylinder to be mounted on the lower die cylinder mounting seat, and a lower die push rod guide fixing block is fixed on the lower die guide plate.
4. A multi-station lower die changing device for squeeze riveters according to claim 3, characterized in that: the lower die air cylinder mounting seat comprises a front air cylinder mounting plate and a rear air cylinder mounting plate which are parallel to each other, the front end of the lower die driving air cylinder is fixed on the front air cylinder mounting plate, and the rear end of the lower die driving air cylinder is fixed on the rear air cylinder mounting plate.
5. The multi-station lower die changing device for the squeeze riveter according to claim 1, wherein: the cross section structures of the lower die push rod guide groove, the transition section guide groove and the lower die guide groove are the same.
6. The multi-station lower die changing device for the squeeze riveter according to claim 1, wherein: and the end part of the transition section guide groove, which is close to the lower die push rod guide groove, is provided with a leading-in flaring.
7. The multi-station lower die changing device for the squeeze riveter according to claim 1, wherein: and the end part of the lower die push rod guide groove close to the transition section guide groove is provided with a leading-in flaring.
8. The multi-station lower die changing device for the squeeze riveter according to claim 1, wherein: the translation assembly comprises a servo motor, a screw rod, a motor mounting seat, a screw rod mounting seat, a movable die holder connecting plate, a slide rail seat and a screw rod connecting plate, the motor mounting seat and the screw rod mounting seat are respectively mounted on the slide rail seat, the servo motor is mounted on the motor mounting seat, the screw rod is mounted on the screw rod mounting seat, the servo motor is connected with the screw rod, the screw rod is connected with the movable die holder through the screw rod connecting plate, the movable die holder is mounted on the slide rail seat and forms a movable pair with the slide rail seat, the movable die holder connecting plate is L-shaped and is respectively a vertical part and a horizontal part, the movable die holder is connected with the vertical part of the movable die holder connecting plate, the horizontal part of the movable die holder connecting plate is parallel to the slide rail seat, and a gap is formed between the horizontal part of the movable die holder connecting plate and the slide rail seat.
9. The multi-station lower die changing device for the squeeze riveter according to claim 8, wherein: the gap is between 0.1mm and 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110166715.4A CN112775384B (en) | 2021-02-04 | 2021-02-04 | Multi-station lower die changing device for squeeze riveter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110166715.4A CN112775384B (en) | 2021-02-04 | 2021-02-04 | Multi-station lower die changing device for squeeze riveter |
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| Publication Number | Publication Date |
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| CN112775384A CN112775384A (en) | 2021-05-11 |
| CN112775384B true CN112775384B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110166715.4A Active CN112775384B (en) | 2021-02-04 | 2021-02-04 | Multi-station lower die changing device for squeeze riveter |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101147952A (en) * | 2007-10-30 | 2008-03-26 | 安长龙 | Automatic riveting machine |
| GB201709622D0 (en) * | 2017-06-16 | 2017-08-02 | Henrob Ltd | Die changing apparatus |
| CN109500343A (en) * | 2018-12-30 | 2019-03-22 | 东莞市天禄实业有限公司 | A kind of multistation intelligence squeeze riveter |
| CN209953732U (en) * | 2018-12-30 | 2020-01-17 | 东莞市天禄实业有限公司 | Automatic lower die switching mechanism of multi-station intelligent squeeze riveter |
| CN210059682U (en) * | 2019-05-24 | 2020-02-14 | 东莞市华隆机械制造有限公司 | Double-particle pneumatic riveting machine |
| CN210523719U (en) * | 2019-06-28 | 2020-05-15 | 广州卫亚汽车零部件有限公司 | A mechanism and riveter for die switching of riveter |
-
2021
- 2021-02-04 CN CN202110166715.4A patent/CN112775384B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101147952A (en) * | 2007-10-30 | 2008-03-26 | 安长龙 | Automatic riveting machine |
| GB201709622D0 (en) * | 2017-06-16 | 2017-08-02 | Henrob Ltd | Die changing apparatus |
| CN109500343A (en) * | 2018-12-30 | 2019-03-22 | 东莞市天禄实业有限公司 | A kind of multistation intelligence squeeze riveter |
| CN209953732U (en) * | 2018-12-30 | 2020-01-17 | 东莞市天禄实业有限公司 | Automatic lower die switching mechanism of multi-station intelligent squeeze riveter |
| CN210059682U (en) * | 2019-05-24 | 2020-02-14 | 东莞市华隆机械制造有限公司 | Double-particle pneumatic riveting machine |
| CN210523719U (en) * | 2019-06-28 | 2020-05-15 | 广州卫亚汽车零部件有限公司 | A mechanism and riveter for die switching of riveter |
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| CN112775384A (en) | 2021-05-11 |
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