CN107876687B - Elastic sheet riveting device - Google Patents
Elastic sheet riveting device Download PDFInfo
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- CN107876687B CN107876687B CN201711006188.0A CN201711006188A CN107876687B CN 107876687 B CN107876687 B CN 107876687B CN 201711006188 A CN201711006188 A CN 201711006188A CN 107876687 B CN107876687 B CN 107876687B
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- Prior art keywords
- sleeve
- hole
- spring
- punch
- riveting
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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
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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
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
Abstract
A riveting device for an elastic sheet is used for riveting a workpiece and the elastic sheet and comprises a base, a support pier, a pressing block, an elastic support, a sleeve and a punch; the abutting pier is arranged on the base and used for abutting against the riveting point of the workpiece and the rivet/salient point on the workpiece; the pressing block is arranged above the base through the elastic support column, moves downwards through the pressure applied to the top and can return to the original position under the elastic action of the elastic support column; the sleeve is provided with a through hole, the top of the sleeve is arranged below the pressing block through a spring, and the middle of the sleeve is provided with a sunken structure for fixing the elastic sheet; the punch rod is sleeved in the through hole of the sleeve and is arranged below the pressing block through a spring at the top; the shell fragment can be propped against the rivet/salient point by the sleeve under the driving of the pressing block, and the shell fragment and the workpiece can be riveted by the punch through the rivet/salient point. The device overcomes the defects that the manual placement of the elastic sheet is easy to have the phenomena of partial riveting and virtual riveting, improves the working efficiency and the product percent of pass, has the advantages of convenient manufacture, low price, reasonable and compact structure, simple and reliable operation and the like, and has great popularization and application values.
Description
Technical Field
The invention relates to an elastic sheet riveting device, and belongs to the technical field of metal product sheet metal processing equipment.
Background
When a workpiece is subjected to sheet metal processing, the elastic sheet and the workpiece are often required to be riveted together, and during riveting, the elastic sheet is generally placed on a riveting point of the workpiece to be riveted, and then a rivet or a salient point at the riveting point is pressed by a cross head of a punch to complete riveting. Therefore, accurately placing the elastic sheet on the rivet or the salient point of the workpiece to be riveted is the key for ensuring the qualified riveting of the elastic sheet and the workpiece.
If the space around the work piece riveting point is great, the placing of shell fragment is just easier, but if the space around the work piece riveting point is very narrow and small, the operative employee just is difficult to place the shell fragment accurately on the riveting point of work piece, often can take place to put partially or place the condition not in place, cause the shell fragment to rivet partially with the work piece, phenomenon such as virtual riveting appears, cause the product unqualified, in the actual production, when placing the shell fragment with the manual mode and riveting, often efficiency is extremely low, the rejection rate is high, production efficiency and economic benefits have been seriously influenced.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the spring plate riveting device, so that the riveting of the spring plate and a workpiece is accurately completed, the production efficiency and the product percent of pass are improved, and further the economic benefit is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a clip riveting apparatus for riveting a workpiece having at least one rivet point with a rivet/projection thereon with an L-shaped clip having a curved catch at one end and a rivet hole at the other end, comprising:
the device comprises a base, a support pier, a pressing block, an elastic support column, a sleeve and a punch;
the support pier is a cylinder and is vertically arranged in the middle of the base, a circular bulge is arranged on the top plane of the support pier, the top plane is used for supporting the bottom of the riveting point, and the circular bulge is used for supporting the bottom of the rivet/convex point;
the pressing block is arranged above the base through an elastic support column on the periphery of the abutment pier, can move downwards under the pressure applied to the top, and can return to the original position under the elastic action of the elastic support column after the pressure on the top is removed;
the sleeve is a cylinder with a through hole, a sleeve spring is arranged on the top of the upper part of the sleeve, a concave structure capable of being clamped with the bent grapple is arranged in the middle of the upper part of the sleeve, a circular ring structure is arranged at the top end of the bottom of the sleeve, the sleeve is installed at the bottom of the pressing block through the sleeve spring, vertically aligned with the circular bulge and capable of moving up and down along with the pressing block, and the riveting hole can be abutted into the rivet/bump through the circular ring structure when the sleeve;
the punching rod is a cylinder, a punching rod spring is arranged on the top of the upper portion of the punching rod, the bottom of the punching rod can penetrate through the riveting hole, the end face of the punching rod is provided with a cross structure, the punching rod is sleeved in the through hole of the sleeve and penetrates out of the sleeve, the punching rod is mounted at the bottom of the pressing block through the punching rod spring and moves up and down along with the pressing block, and the elastic piece and the workpiece can be riveted through the rivet/convex point through the cross structure when.
As a preferred technical scheme, the cross section of the outer shape of the sleeve is T-shaped, and the outer diameter of the upper part of the sleeve is larger than the outer diameters of the middle part and the lower part of the sleeve; the punch rod is a T-shaped cylinder, and the outer diameter of the upper part of the punch rod is larger than the outer diameters of the middle and lower parts of the punch rod but smaller than the outer diameter of the upper part of the sleeve.
As a technical scheme, the elastic support column comprises an upright column and an upright column spring sleeved outside the upright column, the upright column is vertically and fixedly installed on the base, and the pressing block is installed at the upper end of the upright column spring.
As another technical scheme, the bottom of the pressing block is provided with an upright blind hole, the elastic support comprises an upright and an upright spring sleeved outside the upright, one end of the upright is vertically fixed on the base, the other end of the upright is inserted into the upright blind hole to be in sliding connection, and the upright spring is fixedly connected with the bottom of the pressing block.
As a technical scheme, the center of the bottom of the pressing block is provided with a sleeve rod blind hole, the sleeve pipe spring and the plunger spring are both arranged in the sleeve rod blind hole, and the upper part of the sleeve pipe can slide up and down in the sleeve rod blind hole.
As an improvement of the above technical solution, the sleeve rod blind hole is a stepped blind hole formed by connecting two circular holes with diameters respectively corresponding to the outer diameters of the upper portion of the sleeve and the upper portion of the plunger in series, the sleeve spring and the plunger spring are respectively installed in the circular holes of the stepped sleeve rod blind hole corresponding to the outer diameters of the upper portion of the sleeve and the upper portion of the plunger, and the upper portion of the sleeve and the upper portion of the plunger can respectively slide up and down in the corresponding circular holes.
As a technical scheme, the pressing block is formed by overlapping a top plate, a fixing plate and a back plate from bottom to top and fastening through bolts.
As a technical scheme, a sleeve through hole with the diameter corresponding to the outer diameter of the upper part of the sleeve is formed in the middle of the top plate, the sleeve spring is installed in the sleeve through hole, and the upper part of the sleeve can slide up and down in the sleeve through hole; the middle part of the fixed plate is provided with a punch through hole with the diameter corresponding to the outer diameter of the upper part of the punch, the punch spring is arranged in the punch through hole, and the upper part of the punch can slide up and down in the punch through hole.
As an improvement of the above technical solution, the sleeve through hole is a stepped hole with a T-shaped cross section, the diameter of the hole at the upper part of the T-shaped stepped hole corresponds to the outer diameter of the upper part of the sleeve, and the diameter of the hole at the lower part corresponds to the outer diameter of the middle part of the sleeve; the punch through hole is a step hole with an inverted T-shaped section, the diameter of a lower hole of the inverted T-shaped step hole corresponds to the outer diameter of the upper part of the punch, and the diameter of an upper hole corresponds to the outer diameter of the punch spring but is smaller than the outer diameter of the upper part of the punch.
As a further improvement of the above technical solution:
the middle part of the top plate is provided with a T-shaped stepped sleeve through hole with the upper diameter corresponding to the outer diameter of the upper part of the sleeve and the lower diameter corresponding to the outer diameter of the middle part of the sleeve, and the periphery of the sleeve through hole is provided with an upright post through hole;
the middle part of the fixing plate is provided with an inverted T-shaped stepped punch through hole, the diameter of the lower part of the stepped punch through hole corresponds to the outer diameter of the upper part of the punch, the diameter of the upper part of the stepped punch through hole corresponds to the outer diameter of a punch spring but is smaller than the outer diameter of the upper part of the punch, a butt joint blind hole is also arranged at the position corresponding to the upright post through hole, and up to 2 spring sleeve blind holes are also arranged in the range that the periphery of the largest hole of;
a spring punching blind hole with the same diameter as the hole at the upper part of the punch through hole is formed in the middle of the back plate;
the sleeve is connected with the pressing block through sleeve springs arranged in the sleeve spring blind holes, the upper part of the sleeve can slide up and down in the hole at the upper part of the sleeve through hole, and the middle part of the sleeve can slide up and down in the hole at the lower part of the sleeve through hole;
the punch rod is connected with the pressing block through a punch rod spring arranged in the punch spring blind hole, the upper part of the punch rod can slide up and down in the hole at the lower part of the punch rod through hole, and the middle part of the punch rod can slide up and down in the sleeve;
the elastic support column comprises an upright column and an upright column spring sleeved outside the upright column, one end of the upright column is vertically fixed on the base, the other end of the upright column is inserted into the upright column through hole and is in sliding connection with the butt-joint blind hole, and the upright column spring is fixedly connected with the bottom of the top plate.
Compared with the prior art, the invention has the beneficial effects and remarkable progresses that:
1) the qualification rate of the product is greatly improved, after the riveting operation is carried out by using the riveting device, the qualification rate can be improved to 98 percent from 30 percent of manual operation, the manufacturing cost is obviously reduced, and the economic benefit is improved;
2) after the invention is used, the production efficiency is obviously improved, the production bottleneck problem is effectively solved, the labor intensity of operators is reduced, and the safety coefficient of operation is improved;
3) the invention has the advantages of convenient manufacture, low price, reasonableness, compactness, simple and reliable operation and great popularization and application values.
Drawings
FIG. 1 is a schematic view of a riveted work piece according to the invention;
FIG. 2 is a schematic perspective view of a riveted spring plate according to the present invention;
fig. 3 is a schematic view of a partially cut-away structure of a first embodiment of a riveting device for a spring plate according to the present invention;
fig. 4 is a schematic view of a partially cut-away structure of a second embodiment of a riveting device for a spring plate according to the present invention;
fig. 5 is a schematic view of a partially cut-away structure of a third embodiment of a riveting device for a spring plate according to the present invention;
FIG. 6 is a schematic view of a comparison structure of the working process states of the spring riveting device provided by the invention;
FIG. 7 is a schematic structural view of the workpiece riveted with the elastic sheet according to the present invention.
In the figure:
10-workpiece, 11-riveting point, 12-rivet/salient point;
20-spring plate, 21-bending grapple, 22-riveting hole;
30-a base;
40-abutment, 41-top plane, 42-circular bulge;
50-pressing block, 501-upright blind hole, 502-loop bar blind hole, 51-top plate, 511-sleeve through hole, 512-upright through hole, 52-fixing plate, 521-punch through hole, 522-butt joint blind hole, 523-loop spring blind hole, 53-back plate, 531-loop spring blind hole and 54-bolt;
60-elastic support, 61-upright and 62-upright spring;
70-sleeve, 70 a-sleeve spring, 71-sleeve upper part, 72-concave structure, 73-circular ring structure;
80-ram, 80 a-ram spring, 81-ram upper, 82-cross configuration.
Specific technical scheme
The technical scheme provided by the invention is further explained in detail by combining the drawings and the description and the embodiment of the drawings.
Examples
FIG. 1 shows a schematic structural view of a riveted part according to the invention: the riveted joint 10 according to the invention has at least one rivet point 11 and a rivet/projection 12 on the rivet point 11.
As shown in fig. 2, the schematic perspective structure of the riveting spring plate of the invention is shown as follows: the riveting elastic sheet 20 is an L-shaped elastic sheet with one end provided with a bending grapple 21 and the other end provided with a riveting hole 22.
Fig. 3 is a schematic view of a partially cut-away structure of a first embodiment of a riveting device for elastic sheets, according to the present invention:
the invention provides a spring plate riveting device, which comprises: the device comprises a base 30, a pier 40, a pressing block 50, an elastic strut 60, a sleeve 70 and a punch 80;
the abutment 40 is a cylinder and is vertically arranged in the middle of the base 30, a circular protrusion 42 is arranged on a top plane 41 of the abutment, the top plane 41 is used for abutting against the bottom of the riveting point 11, and the circular protrusion 42 is used for abutting against the bottom of the rivet/convex point 12;
the pressing block 50 is arranged above the base 30 through an elastic strut 60 at the periphery of the abutment 40, can move downwards under the pressure applied to the top, and can return to the original position under the elastic action of the elastic strut 60 after the pressure on the top is removed;
the sleeve 70 is a cylinder with a through hole, a sleeve spring 70a is arranged on the top of the upper part 71 of the sleeve, a concave structure 72 capable of being clamped with the bent grapple 21 is arranged in the middle of the sleeve, a circular ring structure 73 is arranged on the end face of the bottom of the sleeve, the sleeve 70 is arranged at the bottom of the pressing block 50 through the sleeve spring 70a, vertically aligned with the circular bulge 42 and capable of moving up and down along with the pressing block 50, and the riveting hole 22 can be abutted into the rivet/bump 12 through the circular ring structure 73 when the sleeve 70 moves down;
the punch rod 80 is a cylinder, a punch rod spring 80a is arranged on the top of the upper part 81 of the punch rod, the bottom of the punch rod can penetrate through the riveting hole 22, the end face of the punch rod is provided with a cross structure 82, the punch rod 80 is sleeved in the through hole of the sleeve 70 and penetrates out of the sleeve 70, the punch rod 80a is mounted at the bottom of the pressing block 50 through the punch rod spring 80a and moves up and down along with the pressing block 50, and when the punch rod 80 moves down, the elastic sheet 20 and the workpiece 10 can be riveted through the rivet/salient point 12.
As a preferable technical proposal, the cross section of the external shape of the sleeve 70 is T-shaped, the external diameter of the upper part 71 of the sleeve is larger than the external diameter of the middle and lower parts of the sleeve 70; the plunger 80 is a T-shaped cylinder, and the outer diameter of the upper part 81 of the plunger is larger than that of the middle and lower parts of the plunger 80 but smaller than that of the upper part 71 of the sleeve.
As a technical scheme, the elastic support 60 comprises a column 61 and a column spring 62 sleeved outside the column 61, the column 61 is vertically and fixedly installed on the base 30, and the pressing block 50 is installed at the upper end of the column spring 62.
Fig. 4 is a schematic view of a partially cut-away structure of a second embodiment of a riveting device for elastic sheets, according to the present invention:
the bottom of the pressing block 50 is provided with a column blind hole 501, the elastic support 60 comprises a column 61 and a column spring 62 sleeved outside the column 61, one end of the column 61 is vertically fixed on the base 30, the other end of the column 61 is inserted into the column blind hole 501 to be in sliding connection, and the column spring 62 is fixedly connected with the bottom of the pressing block 50.
In the technical solution provided in this embodiment, the pressing block 50 has a sleeve blind hole 502 at the bottom center, the sleeve spring 70a and the plunger spring 80a are both installed in the sleeve blind hole 502, and the sleeve upper portion 71 can slide up and down in the sleeve blind hole 502.
As an improvement, the sleeve blind hole 502 is a stepped blind hole formed by connecting two circular holes with diameters respectively corresponding to the outer diameters of the sleeve upper part 71 and the punch upper part 81 in series, the sleeve spring 70a and the punch spring 80a are respectively installed in the circular holes of the stepped sleeve blind hole 502 corresponding to the outer diameters of the sleeve upper part 71 and the punch upper part 81, and the sleeve upper part 71 and the punch upper part 81 can respectively slide up and down in the corresponding circular holes.
Fig. 5 is a schematic view of a partially cut-away structure of a third embodiment of a riveting device for elastic sheets, according to the present invention:
the pressing block 50 is formed by three plates of a top plate 51, a fixing plate 52 and a back plate 53 which are overlapped from bottom to top and fastened through a through bolt 54.
As a technical solution, a sleeve through hole 511 with a diameter corresponding to the outer diameter of the sleeve upper part 71 is opened in the middle of the top plate 51, the sleeve spring 70a is installed in the sleeve through hole 511, and the sleeve upper part 71 can slide up and down in the sleeve through hole 511; the middle of the fixed plate 52 is provided with a punch through hole 521 having a diameter corresponding to the outer diameter of the punch upper portion 81, the punch spring 80a is installed in the punch through hole 521, and the punch upper portion 81 can slide up and down in the punch through hole 521.
As an improvement of the above technical solution, the sleeve through hole 511 is a stepped hole with a T-shaped cross section, the diameter of the upper hole of the T-shaped stepped hole corresponds to the outer diameter of the upper part 71 of the sleeve, and the diameter of the lower hole corresponds to the outer diameter of the middle part of the sleeve 70; the ram through-hole 521 is a stepped hole having an inverted T-shaped cross section, and the diameter of the lower hole of the inverted T-shaped stepped hole corresponds to the outer diameter of the ram upper portion 81 while the diameter of the upper hole corresponds to the outer diameter of the ram spring 80a but is smaller than the outer diameter of the ram upper portion 81.
As a further improvement of the above technical solution:
the middle part of the top plate 51 is provided with a T-shaped stepped sleeve through hole 511, the upper diameter of which corresponds to the outer diameter of the upper part 71 of the sleeve, and the lower diameter of which corresponds to the outer diameter of the middle part of the sleeve 70, and the periphery of the sleeve through hole 511 is also provided with a column through hole 512;
the middle part of the fixed plate 52 is provided with an inverted T-shaped stepped punch through hole 521, the lower diameter of which corresponds to the outer diameter of the upper part 81 of the punch, the upper diameter of which corresponds to the outer diameter of the punch spring 80a but is smaller than the outer diameter of the upper part 81 of the punch, a butt-joint blind hole 522 is also arranged at the position corresponding to the upright post through hole 512, and the periphery of the largest hole of the punch through hole 521 is provided with up to 2 sleeve spring blind holes 523 in the range smaller than the diameter of the upper part of the sleeve;
the middle part of the back plate 53 is provided with a spring punching blind hole 531 with the same diameter as the hole at the upper part of the punch through hole 521;
the sleeve 70 is connected with the pressing block 50 through sleeve springs 70a arranged in the sleeve spring blind holes 523, the upper part 71 of the sleeve can slide up and down in a hole at the upper part of the sleeve through hole 511, and the middle part of the sleeve 70 can slide up and down in a hole at the lower part of the sleeve through hole 511;
the plunger 80 is connected with the pressing block 50 through a plunger spring 80a arranged in the plunger blind hole 531, the upper part 81 of the plunger can slide up and down in the hole at the lower part of the plunger through hole 521, and the middle part of the plunger can slide up and down in the sleeve 70;
the elastic support 60 comprises a column 61 and a column spring 62 sleeved outside the column 61, one end of the column 61 is vertically fixed on the base 30, the other end of the column 61 is inserted into the column through hole 512 and slidably connected with the butt blind hole 522, and the column spring 62 is fixedly connected with the bottom of the top plate 51.
As shown in fig. 6, the comparison schematic diagram of the working process state structure of the elastic sheet riveting device provided by the invention shows that the technical process of riveting the workpiece and the elastic sheet by the elastic sheet riveting device provided by the invention is carried out as follows:
1) firstly, arranging an elastic sheet 20 to be riveted with a workpiece 10 on a sleeve 70 and a punch rod 80, wherein a riveting hole 22 of the elastic sheet 20 is sleeved into the punch rod 80 from the lower end of the punch rod 80 and is close to a circular ring structure 73 of the sleeve 70, and then, a bent grapple 21 of the elastic sheet 20 is clamped into a concave structure 72 in the middle of the sleeve 70 to fix the elastic sheet 20;
2) secondly, placing the workpiece 10 to be riveted with the elastic sheet 20 on the base 30, placing one riveting point 11 on the abutment 40, and enabling the top plane 41 to abut against the bottom of the riveting point 11 and the circular bulge 42 to abut against the bottom of the rivet/convex point 12;
3) starting external pressurizing equipment at the top of the pressing block 50, enabling the pressing block 50 to move downwards under the action of pressure, and enabling the sleeve 70 and the plunger 80 to simultaneously move downwards through pressure transmission of the sleeve spring 70a and the plunger spring 80 a;
when the punch 80 collides with the rivet/bump 12, the punch 80 cannot move downwards continuously due to the blockage of the rivet/bump 12, and when the pressing block 50 moves downwards continuously, the rivet/bump 12 generates a reaction force on the punch 80 to enable the punch 80 to compress the punch spring 80a, and meanwhile, the cross-shaped structure 82 of the punch 80 is pressed against the rivet/bump 12 all the time;
meanwhile, the sleeve 70 continues to move downwards under the action of pressure to reach the rivet/bump 12 and further moves downwards under the action of pressure, and the rivet hole 22 of the elastic sheet 20 is pressed into the rivet/bump 12 through the annular structure 73;
at this time, if the pressing block 50 continues to move downwards under the action of external force, the plunger spring 80a will continue to be compressed, and the upper portion 81 of the plunger approaches the pressing block 50 to generate a larger downward pressure, so that the cross-shaped structure 82 at the lower portion of the plunger 80 stores sufficient force to crush the rivet/bump 12, thereby completing the riveting of the workpiece 10 and the elastic sheet 20, as shown in fig. 7;
4) after the riveting is finished, the pressure on the top of the pressing block 50 is removed, the pressing block 50 returns to the original position under the elastic force action of the elastic support 60, meanwhile, the sleeve spring 70a and the plunger spring 80a are loosened due to the removal of the external force, the sleeve 70 and the plunger 80 are driven to reset, and the elastic sheet riveting device returns to the initial working condition state.
In summary, the following steps: according to the riveting device, the elastic sheet is firstly placed on the sleeve and the punch rod during riveting through the sleeve, the punch rod, the elastic member and the like, then the riveting is completed by automatically guiding the elastic sheet into a riveting point of a workpiece through the assistance of external force and the elastic member, and the elastic sheet is not directly placed on the workpiece for punching as in manual operation, so that the problems of partial riveting, virtual riveting and the like caused by difficult control, partial placing or incomplete placing of the elastic sheet due to manual placing are avoided, and the aims of improving the production efficiency and the product qualification rate and further improving the economic benefit are fulfilled; in addition, the invention has novel and unique design, simple manufacture and great popularization and application value.
Finally, it is necessary to state that: the above-mentioned contents are only used to help understanding the technical solution of the present invention, and should not be interpreted as limiting the scope of the present invention; insubstantial modifications and adaptations of the invention as described above will occur to those skilled in the art and are intended to be within the scope of the invention as claimed.
Claims (10)
1. A spring plate riveting apparatus for riveting a workpiece (10) having at least one riveting point (11) with a rivet/projection (12) on the riveting point (11) with an L-shaped spring plate (20) having a curved grapple (21) at one end and a riveting hole (22) at the other end, comprising:
the device comprises a base (30), a supporting pier (40), a pressing block (50), an elastic support column (60), a sleeve (70) and a punch rod (80);
the support pier (40) is a cylinder and is vertically arranged in the middle of the base (30), a circular bulge (42) is arranged on a top plane (41) of the support pier, the top plane (41) is used for supporting the bottom of the riveting point (11), and the circular bulge (42) is used for supporting the bottom of the rivet/convex point (12);
the pressing block (50) is arranged above the base (30) through an elastic support column (60) on the periphery of the abutment pier (40), can move downwards under the pressure applied to the top, and can return to the original position under the elastic action of the elastic support column (60) after the pressure on the top is removed;
the sleeve (70) is a cylinder with a through hole, a sleeve spring (70a) is arranged on the top of the upper portion (71) of the sleeve, a concave structure (72) capable of being clamped with the bent grapple (21) is arranged in the middle of the sleeve, a circular ring structure (73) is arranged on the end face of the bottom of the sleeve, the sleeve (70) is installed at the bottom of the pressing block (50) through the sleeve spring (70a), vertically aligned with the abutting pier (40) and capable of moving up and down along with the pressing block (50), and the riveting hole (22) can be abutted into the rivet/salient point (12) through the circular ring structure (73) when the sleeve (70) moves down;
the punching rod (80) is a cylinder, a punching rod spring (80a) is arranged on the top of the upper portion (81) of the punching rod, the bottom of the punching rod can penetrate through the riveting hole (22), a cross structure (82) is arranged on the end face of the punching rod, the punching rod (80) is sleeved in the through hole of the sleeve (70), penetrates through the sleeve (70), is installed at the bottom of the pressing block (50) through the punching rod spring (80a) and moves up and down along with the pressing block (50), and the elastic sheet (20) and the workpiece (10) can be riveted through the rivet/salient point (12) through the cross structure (82) when the punching rod (80) moves down.
2. The shrapnel riveting device of claim 1, which is characterized in that: the cross section of the outer shape of the sleeve (70) is T-shaped, and the outer diameter of the upper part (71) of the sleeve is larger than that of the middle and lower parts of the sleeve (70); the punch rod (80) is a T-shaped cylinder, and the outer diameter of the upper part (81) of the punch rod is larger than that of the middle and lower parts of the punch rod (80) but smaller than that of the upper part (71) of the sleeve.
3. A spring riveting apparatus according to claim 2, wherein: the elastic support column (60) comprises an upright column (61) and an upright column spring (62) sleeved outside the upright column (61), the upright column (61) is vertically and fixedly installed on the base (30), and the pressing block (50) is installed at the upper end of the upright column spring (62).
4. A spring riveting apparatus according to claim 2, wherein: the bottom of the pressing block (50) is provided with a column blind hole (501), the elastic support column (60) comprises a column (61) and a column spring (62) sleeved outside the column (61), one end of the column (61) is vertically fixed on the base (30), the other end of the column (61) is inserted into the column blind hole (501) to be connected in a sliding mode, and the column spring (62) is fixedly connected with the bottom of the pressing block (50).
5. A spring riveting apparatus according to claim 3 or 4, wherein: the center of the bottom of the pressing block (50) is provided with a sleeve rod blind hole (502), the sleeve pipe spring (70a) and the plunger spring (80a) are arranged in the sleeve rod blind hole (502), and the upper part (71) of the sleeve pipe can slide up and down in the sleeve rod blind hole (502).
6. A spring riveting apparatus according to claim 5, wherein: the sleeve rod blind hole (502) is a stepped blind hole formed by connecting two circular holes with diameters respectively corresponding to the outer diameters of the upper sleeve part (71) and the upper punch rod part (81) in series, the sleeve spring (70a) and the punch rod spring (80a) are respectively installed in the circular holes of the stepped sleeve rod blind hole (502) corresponding to the outer diameters of the upper sleeve part (71) and the upper punch rod part (81), and the upper sleeve part (71) and the upper punch rod part (81) can respectively slide up and down in the corresponding circular holes.
7. A spring riveting apparatus according to claim 2, wherein: the pressing block (50) is formed by overlapping a top plate (51), a fixing plate (52) and a back plate (53) from bottom to top and fastening the top plate, the fixing plate and the back plate through bolts (54).
8. The shrapnel riveting device of claim 7, wherein: the middle part of the top plate (51) is provided with a sleeve through hole (511) with the diameter corresponding to the outer diameter of the upper part (71) of the sleeve, the sleeve spring (70a) is arranged in the sleeve through hole (511), and the upper part (71) of the sleeve can slide up and down in the sleeve through hole (511); the middle part of the fixing plate (52) is provided with a punch through hole (521) with the diameter corresponding to the outer diameter of the upper part (81) of the punch, the punch spring (80a) is installed in the punch through hole (521), and the upper part (81) of the punch can slide up and down in the punch through hole (521).
9. The shrapnel riveting device of claim 8, wherein: the sleeve through hole (511) is a stepped hole with a T-shaped section, the diameter of an upper hole of the T-shaped stepped hole corresponds to the outer diameter of the upper part (71) of the sleeve, and the diameter of a lower hole of the T-shaped stepped hole corresponds to the outer diameter of the middle part of the sleeve (70); the punch through hole (521) is a stepped hole with an inverted T-shaped section, the diameter of a lower hole of the inverted T-shaped stepped hole corresponds to the outer diameter of the punch upper part (81), and the diameter of an upper hole corresponds to the outer diameter of the punch spring (80a) but is smaller than the outer diameter of the punch upper part (81).
10. The shrapnel riveting device of claim 7, wherein:
the middle part of the top plate (51) is provided with a T-shaped stepped sleeve through hole (511) with the upper diameter corresponding to the outer diameter of the upper part (71) of the sleeve and the lower diameter corresponding to the outer diameter of the middle part of the sleeve (70), and the periphery of the sleeve through hole (511) is provided with a column through hole (512);
the middle part of the fixing plate (52) is provided with an inverted T-shaped stepped punch through hole (521) with the lower diameter corresponding to the outer diameter of the upper part (81) of the punch and the upper diameter corresponding to the outer diameter of the punch spring (80a) but smaller than the outer diameter of the upper part (81) of the punch, a butt-joint blind hole (522) is arranged at the position corresponding to the upright post through hole (512), and the periphery of the largest hole of the punch through hole (521) is also provided with up to 2 sleeve spring blind holes (523) within the range smaller than the diameter of the upper part of the sleeve through hole (511);
the middle part of the back plate (53) is provided with a spring punching blind hole (531) with the same diameter as the hole at the upper part of the punch through hole (521);
the sleeve (70) is connected with the pressing block (50) through sleeve springs (70a) arranged in the sleeve spring blind holes (523), the upper part (71) of the sleeve can slide up and down in a hole at the upper part of the sleeve through hole (511), and the middle part of the sleeve (70) can slide up and down in a hole at the lower part of the sleeve through hole (511);
the punch rod (80) is connected with the pressing block (50) through a punch rod spring (80a) arranged in the punch spring blind hole (531), the upper part (81) of the punch rod can slide up and down in a hole at the lower part of the punch rod through hole (521), and the middle part of the punch rod can slide up and down in the sleeve (70);
the elastic support column (60) comprises an upright column (61) and an upright column spring (62) sleeved outside the upright column (61), one end of the upright column (61) is vertically fixed on the base (30), the other end of the upright column (61) is inserted into the upright column through hole (512) and is in sliding connection with the butt joint blind hole (522), and the upright column spring (62) is fixedly connected with the bottom of the top plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006188.0A CN107876687B (en) | 2017-10-25 | 2017-10-25 | Elastic sheet riveting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006188.0A CN107876687B (en) | 2017-10-25 | 2017-10-25 | Elastic sheet riveting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107876687A CN107876687A (en) | 2018-04-06 |
| CN107876687B true CN107876687B (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711006188.0A Active CN107876687B (en) | 2017-10-25 | 2017-10-25 | Elastic sheet riveting device |
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| Country | Link |
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| CN (1) | CN107876687B (en) |
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|---|---|---|---|---|
| GB740933A (en) * | 1953-07-02 | 1955-11-23 | Lucas Industries Ltd | A method of riveting together two pieces of material one at least of which consists of nylon or like material |
| CN2695144Y (en) * | 2004-05-25 | 2005-04-27 | 湖北三环离合器有限公司 | Disphragm spring clutch anti-deformed riveting mould |
| EP1837094A1 (en) * | 2006-03-20 | 2007-09-26 | Ricoh Company, Ltd. | A method for fastening plate-like members and fastening structure for plate-like members |
| CN102227288A (en) * | 2008-11-28 | 2011-10-26 | 雷诺股份公司 | Device for crimping element to be crimped on part |
| CN103801625A (en) * | 2012-11-09 | 2014-05-21 | 镇江宏联电工有限公司（中外合资） | Riveting tool for reed and insertion pin of micro switch |
| CN205147114U (en) * | 2015-12-08 | 2016-04-13 | 昆山泰瑞精密零组件有限公司 | Compound shell fragment riveting mould |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55103240A (en) * | 1979-02-01 | 1980-08-07 | Shatai Kogyo Kk | Mutual joining method of thin steel sheet parts |
| JPS6135325Y2 (en) * | 1981-04-07 | 1986-10-14 | ||
| JPH05277589A (en) * | 1992-03-27 | 1993-10-26 | Tanaka Kikinzoku Kogyo Kk | Caulking method for sheet metal |
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2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB740933A (en) * | 1953-07-02 | 1955-11-23 | Lucas Industries Ltd | A method of riveting together two pieces of material one at least of which consists of nylon or like material |
| CN2695144Y (en) * | 2004-05-25 | 2005-04-27 | 湖北三环离合器有限公司 | Disphragm spring clutch anti-deformed riveting mould |
| EP1837094A1 (en) * | 2006-03-20 | 2007-09-26 | Ricoh Company, Ltd. | A method for fastening plate-like members and fastening structure for plate-like members |
| CN102227288A (en) * | 2008-11-28 | 2011-10-26 | 雷诺股份公司 | Device for crimping element to be crimped on part |
| CN103801625A (en) * | 2012-11-09 | 2014-05-21 | 镇江宏联电工有限公司（中外合资） | Riveting tool for reed and insertion pin of micro switch |
| CN205147114U (en) * | 2015-12-08 | 2016-04-13 | 昆山泰瑞精密零组件有限公司 | Compound shell fragment riveting mould |
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| Publication number | Publication date |
|---|---|
| CN107876687A (en) | 2018-04-06 |
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