CN214442783U - Lower die changing mechanism of double-station riveting press - Google Patents
Lower die changing mechanism of double-station riveting press Download PDFInfo
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- CN214442783U CN214442783U CN202120324932.7U CN202120324932U CN214442783U CN 214442783 U CN214442783 U CN 214442783U CN 202120324932 U CN202120324932 U CN 202120324932U CN 214442783 U CN214442783 U CN 214442783U
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Abstract
The utility model provides a lower mould retooling mechanism of duplex position squeeze riveter, including lower mould mount pad, rotary driving mechanism, rotatory die holder and rotatory die holder positioning mechanism, rotary driving mechanism, rotatory die holder positioning mechanism install respectively on the lower mould mount pad, rotary driving mechanism with rotatory die holder is connected, be equipped with first station lower mould and second station lower mould on the rotatory die holder, rotatory die holder positioning mechanism with rotatory die holder is location fit. The utility model has the advantages that: the switching of two lower moulds can be realized, the riveting efficiency is higher, and two rivets with different specifications can be compatible.
Description
Technical Field
The utility model relates to a squeeze riveter especially relates to a lower mould retooling mechanism of duplex position squeeze riveter.
Background
The traditional squeeze riveter can only install one set of lower mould, can only squeeze the rivet of a specification, when needs squeeze the rivet of another kind of specification, need change the lower mould to adapt to different rivet specifications, lead to the pressure to rivet efficiency lower.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a lower mould retooling mechanism of duplex position squeeze riveter.
The utility model provides a lower mould retooling mechanism of duplex position squeeze riveter, including lower mould mount pad, rotary driving mechanism, rotatory die holder and rotatory die holder positioning mechanism, rotary driving mechanism, rotatory die holder positioning mechanism install respectively on the lower mould mount pad, rotary driving mechanism with rotatory die holder is connected, be equipped with first station lower mould and second station lower mould on the rotatory die holder, rotatory die holder positioning mechanism with rotatory die holder is location fit.
As a further improvement, the rotary driving mechanism drives actuating cylinder, drives rack and driven gear including switching, the lower mould mount pad is connected with the cylinder fixed plate, switch the cylinder body that drives actuating cylinder with cylinder fixed plate fixed connection, switch the piston rod that drives actuating cylinder with drive the rack connection, drive the rack with driven gear meshes mutually, driven gear installs on the lower mould mount pad, driven gear with rotatory die holder is connected.
As a further improvement, driven gear through central pivot with the lower mould mount pad rotates to be connected, the last gear locating pin that is equipped with of driven gear, gear locating pin with driven gear's axis is the collineation not, the bottom surface of rotatory die holder is equipped with the locating hole, gear locating pin sets up in the locating hole.
As a further improvement, the central rotating shaft runs through from top to bottom in sequence the rotary lower die holder, the driven gear and the lower die mounting seat are connected.
As a further improvement, the first station lower die and the second station lower die wind the circumference interval of the central rotating shaft is 180 degrees.
As a further improvement, the rotary driving mechanism further comprises a rack pressing block of a T-shaped shape, a guide through hole of a straight shape is arranged on the driving rack, the rack pressing block presses the driving rack and passes the guide through hole and the lower die mounting seat is fixedly connected with the lower die mounting seat.
As a further improvement of the utility model, the drive rack includes main part, bellying and rack portion, the bellying perpendicular to the main part, rack portion sets up on the bellying, the direction through-hole sets up on the main part, the side of lower mould mount pad with main part laminating mutually, the upper end of the side of lower mould mount pad is equipped with the direction recess, the bellying sets up within the direction recess.
As a further improvement, the rear end of direction recess is equipped with the restriction the back spacing face of bellying shift position, the front end of direction recess is equipped with the restriction the preceding spacing face of bellying shift position, the main part pass through the cylinder connecting block with it connects to switch the actuating cylinder that drives.
As a further improvement, be equipped with gear mounting hole and equipment connection mounting hole on the lower mould mount pad, driven gear installs in the gear mounting hole, the gear mounting hole with the direction recess is linked together, rack portion certainly the direction recess stretches into the gear mounting hole with driven gear meshes mutually.
As a further improvement, rotatory die holder positioning mechanism drives actuating cylinder and locating piece including the location, the cylinder body that the location drove actuating cylinder is fixed on the lower mould mount pad, the location drive actuating cylinder the piston rod with positioning block connection, the locating piece sets up on the lower mould mount pad and with the lower mould mount pad constitutes the shifting pair, the tip of locating piece is equipped with the location the positioning groove of rotatory die holder.
As a further improvement, the positioning groove is a V-shaped recess, and the two ends of the rotary lower die holder are V-shaped protrusions.
As a further improvement, be equipped with the locating piece direction through-hole of two at least parallel style of calligraphy on the locating piece, every equal high guide bolt of height all is equipped with on the locating piece direction through-hole, equal high guide bolt passes locating piece direction through-hole with lower mould mount pad fixed connection.
As a further improvement, the bottom surface of locating piece is equipped with locating piece direction recess, the top surface setting of lower mould mount pad is in within the locating piece direction recess, be equipped with the restriction on the lower mould mount pad the spacing step of locating piece position.
The utility model has the advantages that: through the scheme, the switching of the two lower dies can be realized, the riveting efficiency is higher, and the rivet can be compatible with two rivets with different specifications.
Drawings
Fig. 1 is an exploded schematic view of a lower die changing mechanism of the double-station squeeze riveter of the utility model.
Fig. 2 is an assembly schematic diagram of the driven gear of the lower die changing mechanism of the double-station squeeze riveter.
Fig. 3 is an assembly schematic diagram of the positioning block of the lower die changing mechanism of the double-station squeeze riveter of the present invention.
Fig. 4 is an assembly schematic diagram of the rotary lower die holder of the lower die changing mechanism of the double-station squeeze riveter.
Fig. 5 is an assembly schematic view of the driving rack of the lower die changing mechanism of the double-station squeeze riveter of the present invention.
Fig. 6 is a schematic diagram of a state that the lower die changing mechanism of the double-station squeeze riveter is switched to the lower die at the first station.
Fig. 7 is a schematic diagram of the state that the lower die changing mechanism of the double-station squeeze riveter is switched to the first station lower die and positioned.
Fig. 8 is a schematic diagram of a state that the lower die changing mechanism of the double-station squeeze riveter is switched to the lower die at the second station.
Fig. 9 is a schematic diagram of the state that the lower die changing mechanism of the double-station squeeze riveter is switched to the lower die at the second station and positioned.
Detailed Description
The present invention will be further described with reference to the following description and embodiments.
As shown in fig. 1 to 9, a lower die changing mechanism of a double-station squeeze riveter comprises a lower die mounting base 214, a rotary driving mechanism, a rotary lower die base 27 and a rotary lower die base positioning mechanism, wherein the rotary driving mechanism and the rotary lower die base positioning mechanism are respectively mounted on the lower die mounting base 214, the rotary driving mechanism is connected with the rotary lower die base 27, a first station lower die 28 and a second station lower die 25 are arranged on the rotary lower die base 214, the rotary lower die base positioning mechanism is in positioning fit with the rotary lower die base 27, the first station lower die 28 is used for squeeze riveting a first specification rivet, and the second station lower die 25 is used for squeeze riveting a second specification rivet.
The rotary driving mechanism comprises a switching driving air cylinder 215, a driving rack 211 and a driven gear 210, the lower die mounting seat 214 is connected with an air cylinder fixing plate 21, a cylinder body of the switching driving air cylinder 215 is fixedly connected with the air cylinder fixing plate 21, a piston rod of the switching driving air cylinder 215 is connected with the driving rack 211, the driving rack 211 is meshed with the driven gear 210, the driven gear 210 is mounted on the lower die mounting seat 214, and the driven gear 210 is connected with the rotary lower die seat 27.
The switching drive cylinder 215 is preferably a pen cylinder.
The central rotating shaft 26 sequentially penetrates through the rotary lower die holder 27 and the driven gear 210 from top to bottom and is connected with the lower die mounting seat 214, and the rotating coaxiality of the driven gear 210 and the rotary lower die holder 27 can be improved by adopting the central rotating shaft 26.
The first station lower die 28 and the second station lower die 25 are arranged at an interval of 180 degrees around the circumference of the central rotating shaft 26.
The central shaft 26 is preferably a precision shaft.
The rotary driving mechanism further comprises a T-shaped rack pressing block 212, a linear guide through hole 2114 is formed in the driving rack 211, and the rack pressing block 212 is pressed on the driving rack 211, penetrates through the guide through hole 2114 and is fixedly connected with the lower die mounting seat 214 and can guide the driving rack 211.
The driving rack 211 comprises a main body portion 2111, a protruding portion 2112 and a rack portion 2113, wherein the protruding portion 2112 is perpendicular to the main body portion 2111 and is in an L shape, the rack portion 2113 is arranged on the protruding portion 2112, the guide through hole 2114 is arranged on the main body portion 2111, the side surface of the lower die mounting seat 214 is attached to the main body portion 2111, a guide groove 2143 is arranged at the upper end of the side surface of the lower die mounting seat 214, the protruding portion 2112 is arranged in the guide groove 2143, and the moving stability of the driving rack 211 can be further improved.
The rear end of the guide groove 2143 is provided with a rear limiting surface 2144 for limiting the moving position of the protrusion portion 2112, the front end of the guide groove 2143 is provided with a front limiting surface 2145 for limiting the moving position of the protrusion portion 2112, and the main body portion 2111 is connected to the switching driving cylinder 215 through the cylinder connecting block 213, so that the stability of the movement of the driving rack 211 can be further improved.
Be equipped with gear mounting hole 2141 and equipment connection mounting hole 2142 on lower mould mount pad 214, equipment connection mounting hole 2142 is used for equipment connection installation, driven gear 210 installs in gear mounting hole 2141, gear mounting hole 2141 with guide groove 2143 is linked together, rack portion 2113 certainly guide groove 2143 stretches into gear mounting hole 2141 with driven gear 210 meshes mutually, can further improve the stability that drives rack 211 and remove to compact structure, the volume is less.
The rotary lower die holder positioning mechanism comprises a positioning driving cylinder 22 and a positioning block 23, the cylinder body of the positioning driving cylinder 22 is fixed on the cylinder fixing plate 21, the piston rod of the positioning driving cylinder 22 is connected with the positioning block 23, the positioning block 23 is arranged on the lower die mounting seat 214 and forms a moving pair with the lower die mounting seat 214, and the end part of the positioning block 22 is provided with a positioning groove 231 for positioning the rotary lower die holder 27.
The positioning drive cylinder 22 is preferably a thin cylinder.
The positioning groove 231 is a V-shaped recess, and the two ends of the rotary lower die holder 27 are both V- shaped protrusions 271 and 272, so that the rotary lower die holder 27 can be positioned without deflection, the position accuracy of die change is ensured, and the position accuracy in riveting is maintained.
The positioning block 23 is provided with at least two parallel linear positioning block guide through holes 232, each positioning block guide through hole 232 is provided with an equal-height guide bolt 24, and the equal-height guide bolts 24 penetrate through the positioning block guide through holes 232 and are fixedly connected with the lower die mounting base 214.
The bottom surface of the positioning block 23 is provided with a positioning block guide groove 233, the top surface of the lower die mounting base 214 is arranged in the positioning block guide groove 233, and the lower die mounting base 214 is provided with a limiting step 2146 for limiting the position of the positioning block 23.
The utility model provides a pair of lower mould retooling mechanism of duplex position squeeze riveter, its theory of operation as follows:
the switching between the first station lower die 28 and the second station lower die 25 can be realized by driving the driving rack 211 to move back and forth through the switching driving cylinder 215, so as to drive the driven gear 210 to rotate, drive the rotary lower die holder 27 to rotate around the central rotating shaft 26, and complete the switching between the first station lower die 28 and the second station lower die 25 every 180 degrees;
when switching of the first station lower die 28 and the second station lower die 25 is performed, the positioning driving cylinder 22 can drive the positioning block 23 to retreat through positioning, so that the rotary lower die holder 27 can automatically rotate, after the switching is completed, the positioning driving cylinder 22 drives the positioning block 23 to advance through positioning, the positioning groove 231 of the positioning block 23 is clamped on the V-shaped protrusion 271 or the V-shaped protrusion 272 of the rotary lower die holder 27, so that the rotary lower die holder 27 cannot rotate, the fixing of the first station lower die 28 or the second station lower die 25 is completed, and then riveting is performed.
The utility model provides a pair of lower mould retooling mechanism of duplex position squeeze riveter, the switching in turn of two lower moulds of completion that can be better to realize the automatic retooling of two kinds of different specification rivets, improved machining efficiency, reduced the product and squeeze riveter processing shut down and wait for retooling time.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (7)
1. The utility model provides a lower mould die change mechanism of duplex position squeeze riveter which characterized in that: including lower mould mount pad, rotary driving mechanism, rotatory die holder and rotatory die holder positioning mechanism, rotary driving mechanism, rotatory die holder positioning mechanism install respectively on the lower mould mount pad, rotary driving mechanism with rotatory die holder is connected, be equipped with first station lower mould and second station lower mould on the rotatory die holder, rotatory die holder positioning mechanism with rotatory die holder is location fit, first station lower mould, second station lower mould wind the circumference interval of rotatory die holder sets up.
2. The lower die changing mechanism of the double-station squeeze riveter according to claim 1, which is characterized in that: the rotary driving mechanism comprises a switching driving cylinder, a driving rack and a driven gear, the lower die mounting seat is connected with a cylinder fixing plate, the switching driving cylinder is fixedly connected with the cylinder fixing plate, a piston rod of the switching driving cylinder is connected with the driving rack, the driving rack is meshed with the driven gear, the driven gear is mounted on the lower die mounting seat, and the driven gear is connected with the rotary lower die mounting seat.
3. The lower die changing mechanism of the double-station squeeze riveter according to claim 2, characterized in that: the rotary driving mechanism further comprises a T-shaped rack pressing block, a linear guide through hole is formed in the driving rack, and the rack pressing block is pressed on the driving rack and penetrates through the guide through hole to be fixedly connected with the lower die mounting seat.
4. The lower die changing mechanism of the double-station squeeze riveter according to claim 3, characterized in that: the driving rack comprises a main body portion, a protruding portion and a rack portion, the protruding portion is perpendicular to the main body portion, the rack portion is arranged on the protruding portion, the guide through hole is formed in the main body portion, the side face of the lower die mounting seat is attached to the main body portion, a guide groove is formed in the upper end of the side face of the lower die mounting seat, and the protruding portion is arranged in the guide groove.
5. The lower die changing mechanism of the double-station squeeze riveter according to claim 1, which is characterized in that: the rotary lower die holder positioning mechanism comprises a positioning driving cylinder and a positioning block, the cylinder body of the positioning driving cylinder is fixed on the lower die mounting seat, a piston rod of the positioning driving cylinder is connected with the positioning block, the positioning block is arranged on the lower die mounting seat and forms a moving pair with the lower die mounting seat, and the end part of the positioning block is provided with a positioning groove for positioning the rotary lower die holder.
6. The lower die changing mechanism of the double-station squeeze riveter according to claim 5, characterized in that: the positioning groove is a V-shaped recess, and two ends of the rotary lower die holder are both V-shaped protrusions.
7. The lower die changing mechanism of the double-station squeeze riveter according to claim 5, characterized in that: the positioning driving cylinder is a thin cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120324932.7U CN214442783U (en) | 2021-02-04 | 2021-02-04 | Lower die changing mechanism of double-station riveting press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120324932.7U CN214442783U (en) | 2021-02-04 | 2021-02-04 | Lower die changing mechanism of double-station riveting press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214442783U true CN214442783U (en) | 2021-10-22 |
Family
ID=78136366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120324932.7U Active CN214442783U (en) | 2021-02-04 | 2021-02-04 | Lower die changing mechanism of double-station riveting press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214442783U (en) |
-
2021
- 2021-02-04 CN CN202120324932.7U patent/CN214442783U/en active Active
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