CN216137983U - High-precision riveting device for relay movable spring assembly for intelligent electric meter - Google Patents
High-precision riveting device for relay movable spring assembly for intelligent electric meter Download PDFInfo
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- CN216137983U CN216137983U CN202121309016.2U CN202121309016U CN216137983U CN 216137983 U CN216137983 U CN 216137983U CN 202121309016 U CN202121309016 U CN 202121309016U CN 216137983 U CN216137983 U CN 216137983U
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Abstract
The utility model relates to a high-precision riveting device for a movable spring assembly of a relay for an intelligent electric meter, which comprises a movable die assembly and a static die assembly arranged below the movable die assembly, wherein a guide device is arranged between the movable die assembly and the static die assembly, the movable die assembly comprises a die handle, an upper die holder, an upper base plate, a clamping plate and a stripper plate, and the high-precision riveting device further comprises a left spring, a right spring, 3 punching pins, a left movable die guide post and a right movable die guide post; the static die assembly comprises a lower template, a lower base plate, a lower die base, a fixed base plate, a replaceable insert and 3 fixed columns; the utility model can improve the processing precision, and the parallelism of the leading-out pin of the movable spring and the movable spring can meet the design requirement.
Description
Technical Field
The utility model relates to a magnetic latching relay production device, in particular to a high-precision riveting device for a movable spring assembly of a relay.
Background
The magnetic latching relay is widely used on an intelligent electric meter, the requirements of production and manufacturing on the product manufacturing process are high, the existing mechanical fixture for riveting the movable spring assembly can only meet the basic technological requirements of riveting, but the mechanical fixture has no adjusting capability for the phenomenon that the parallelism of the riveted movable spring assembly collapses too much due to too large R-angle collapsed edge after the riveting head of the movable spring lead-out pin is stamped and bent by hardware, so that the mechanical fixture capable of adjusting the riveting parallelism is necessary to be designed.
As shown in fig. 1, 2, 3, and 4, the relay moving spring assembly for an intelligent electric meter according to the present invention includes a moving spring pin 111 and a moving spring assembly 112, where the moving spring pin 111 specifically includes an installation plate portion 111_1, a lead welding is performed on a front end of the installation plate portion to form an installation connection plate 111_2, a front end of the installation connection plate is provided with a moving spring pin head portion 111_3, and the moving spring pin head portion is vertically provided with 3 circular protruding columns 111_ 4; the movable spring assembly 112 comprises a plurality of movable spring pieces 112_1, and the head of the movable spring assembly 112 is provided with 3 round holes 112_ 4.
When the movable spring leading-out pin 111 and the movable spring assembly 112 are processed, the 3 circular bosses 111_4 and the 3 circular holes 112_4 are aligned and riveted with each other. Fig. 3 shows an ideal state after processing, in which the mounting connection plate 111_2 of the movable spring lead-out pin 111 and the movable spring piece 112_1 are parallel to each other. However, the ideal state is difficult to achieve by actual machining.
As shown in fig. 2, collapsed edges of different R angles exist around the copper bar in the punch forming process, especially, the collapsed edges of the R angles are larger after bending in order to meet the requirement of bending angle precision, the impact pin is impacted vertically to the center of the cylinder in the riveting process, the collapsed edge of the head 111_3 of the movable spring leading-out pin moves downwards to cause the other end of the movable spring leading-out pin 111 to be lifted upwards instantaneously, so that the stripper plate collides with the surface of the movable spring assembly 112, and the parallelism of the riveted movable spring assembly has positive or negative deviation, and fig. 4 shows one deviation state.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a high-precision riveting device for a movable spring assembly of a relay for an intelligent electric meter, which can improve the processing precision and enable the parallelism of a leading-out pin of a movable spring and the movable spring to meet the design requirement.
In order to achieve the purpose, the scheme of the utility model is as follows: a high-precision riveting device for a movable spring assembly of a relay for an intelligent electric meter comprises a movable die assembly and a static die assembly arranged below the movable die assembly, wherein a guide device is arranged between the movable die assembly and the static die assembly, the movable die assembly comprises a die handle, an upper die base, an upper base plate, a clamping plate and a stripper plate, and further comprises a left spring, a right spring, 3 punching pins, a left movable die guide post and a right movable die guide post;
the die handle is fixedly arranged on the upper die base through two inner hexagonal screws A;
the 3 punching needles, the left movable mould guide post and the right movable mould guide post are all arranged on the clamping plate; holes matched with the left and right movable mould guide posts are formed in the stripper plate;
the clamping plate and the upper base plate are fixed on the upper die holder through a plurality of inner hexagonal screws B; a left inner hexagonal screw C and a right inner hexagonal screw C are connected among the upper die holder, the upper base plate and the clamping plate;
the left spring and the right spring are respectively arranged between the clamping plate and the stripper plate along the vertical direction, and the free ends of the two inner hexagonal screws C respectively extend into the left spring and the right spring after penetrating through the upper die base, the upper base plate and the clamping plate;
the width of the stripper plate is smaller than that of the clamping plate, and no interference exists between the 3 punching needles on the clamping plate and the stripper plate;
the static die assembly comprises a lower template, a lower base plate, a lower die base, a fixed base plate, a replaceable insert and 3 fixed columns;
the replaceable insert and the 3 fixing columns are all arranged on the lower template;
the lower template and the lower backing plate are fixed on the lower die base through a plurality of hexagon socket head cap screws D;
the fixed base plate is fixed on the lower die base through a plurality of hexagon socket head cap screws E;
the lower template is provided with a plurality of holes matched with the guide posts of the left moving die and the right moving die;
and 3 punching needles on the movable mould assembly are matched with 3 fixing columns on the static mould assembly.
The guiding device arranged between the static die components of the movable die component comprises two upper die base guide sleeves arranged at the lower end of the upper die base and two lower die base guide rods arranged at the upper end of the lower die base.
The punching needle comprises a punching needle sleeve and a punching needle conical head arranged in an inner cavity of the punching needle sleeve. Namely, the free end of the punch pin is arranged into a semi-conical platform shape, and the workpiece is riveted in a mode of first tapering and then pressing during operation.
The utility model has the following beneficial effects: the parallelism of the riveted movable spring assembly can be improved, the phenomenon that the riveted movable spring assembly collapses due to bending, trimming and collapsing R angles of the feet caused by the movable spring is overcome, and the riveting precision of the product is improved.
Drawings
FIG. 1 is a schematic structural diagram of a movable spring lead-out pin and a movable spring assembly before assembly in the prior art;
FIG. 2 is a schematic view of a head portion sag of a movable spring pin of the prior art;
FIG. 3 is a schematic view of the riveted movable spring pin and the movable spring assembly in an ideal state;
FIG. 4 is a schematic view of the deviation of the parallelism of the lead-out pin of the dynamic spring and the dynamic spring assembly after riveting;
FIG. 5 is an exploded view of the high-precision riveting device for the relay moving spring assembly for the smart meter according to the utility model;
FIG. 6 is a side view of FIG. 5;
FIG. 7 is a structural diagram of a replaceable insert of the high-precision riveting device for the movable spring assembly of the relay for the smart meter;
fig. 8 is a sectional view of a punch pin in the high-precision riveting device for the relay moving spring assembly for the smart meter according to the present invention.
Detailed Description
The technical solution of the present invention is clearly and completely explained below with reference to the accompanying drawings, and the embodiments are only a part of the present invention, and all other practical creations obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention based on the points of the utility model in the present invention.
As shown in fig. 1 to 8, the high-precision riveting device for the movable spring assembly of the relay for the smart meter comprises a movable die assembly and a static die assembly arranged below the movable die assembly, wherein a guide device is arranged between the movable die assembly and the static die assembly, the movable die assembly comprises a die handle 1, an upper die holder 2, an upper base plate 3, a clamping plate 4 and a stripper plate 5, and further comprises left and right springs 10, 10 ', 3 punching pins 11 and left and right movable die guide posts 12, 12';
the die handle 1 is fixedly arranged on the upper die holder 2 through two hexagon socket head cap screws A14;
the 3 punching needles 11, the left movable die guide column 12 and the right movable die guide column 12' are all arranged on the clamping plate 4; holes matched with the left and right movable mould guide posts 12 and 12' are formed in the stripper plate 5;
the clamping plate 4 and the upper backing plate 3 are fixed on the upper die holder 2 through a plurality of hexagon socket head cap screws B15; a left inner hexagonal screw C16 and a right inner hexagonal screw C16 are connected among the upper die holder 2, the upper backing plate 3 and the splint 4;
the left spring 10 and the right spring 10 'are respectively arranged between the clamping plate 4 and the stripper plate 5 along the vertical direction, and after the two inner hexagonal screws C16 pass through the upper die holder 2, the upper backing plate 3 and the clamping plate 4, the free ends of the two inner hexagonal screws C16 respectively extend into the left spring 10 and the right spring 10';
the width of the stripper plate 5 is smaller than that of the clamping plate 4, and 3 punching needles 11 on the clamping plate 4 are not interfered with the stripper plate 5; when the die is closed, the spring contracts, the stripper plate (5) is attached to the clamping plate (4), when the die is opened, the spring expands and contracts, the stripper plate (5) is separated from the clamping plate (4), and the movable spring assembly is separated from the punch pin (11).
The static die assembly comprises a lower template 6, a lower backing plate 7, a lower die base 8, a fixed backing plate 9, a replaceable insert 13 and 3 fixed columns 19;
the replaceable insert 13 and the 3 fixing columns 19 are both arranged on the lower template 6;
the lower template 6 and the lower backing plate 7 are fixed on the lower die base 8 through a plurality of hexagon socket head cap screws D17;
the fixed backing plate 9 is fixed on the lower die base 8 through a plurality of hexagon socket head cap screws E18;
the lower template 6 is provided with a plurality of holes matched with the guide posts 12 and 12' of the left and right movable moulds;
the 3 punching needles 11 on the movable mould component are matched with the 3 fixing posts 19 on the fixed mould component.
The guiding device arranged between the static die components of the movable die component comprises two upper die base guide sleeves 20 arranged at the lower end of the upper die base 2 and two lower die base guide rods 80 arranged at the upper end of the lower die base 8.
As shown in fig. 8, the punch needle 11 includes a punch needle cannula 11_1 and a punch needle conical head 11_2 disposed in an inner cavity thereof. Namely, the free end of the punch pin 11 is arranged to be in a semi-conical platform shape, and the workpiece is riveted in a mode of first tapering and then pressing during operation.
As shown in fig. 5, a fixed pad boss 90 is provided on the fixed pad 9, and the upper surface of the fixed pad boss 90 is higher than the upper surface of the fixed pad 9.
The working process of the utility model is as follows:
A. selecting a replaceable insert 13;
as can be seen in fig. 7, a plurality of replaceable inserts 13 of different heights are foreseen in the present invention.
After each batch of workpieces to be riveted are fed, firstly measuring the sinking edge depth of the leading foot of the movable spring, and selecting the replaceable insert 13 with the corresponding height according to the measurement result.
B. Positioning;
as shown in fig. 1, 5 and 6, when riveting the movable spring assembly, the movable spring leading-out pin 111 is firstly placed on the lower template 6, the movable spring leading-out pin 111 is positioned at the front and back by the fixing column 19, wherein the upper surface of the fixing backing plate 9 is in close fit with the movable spring leading-out pin 111. The replaceable insert 13 is placed below the movable spring pin-out head 111_ 3.
Then, the movable spring assembly 112 is placed on the movable spring leading-out pins 111, and 3 round columns 111_4 on the movable spring leading-out pins are inserted into 3 round holes 112_4 of the movable spring assembly. The fixed cushion plate boss 90 on the fixed cushion plate 9 is jointed with the bottom of the movable spring assembly 112 through the movable spring leading-out pin C-shaped notch 111_5, and plays a role in setback.
C. Riveting
After the positioning is finished, the movable die assembly of the punch press is integrally moved downwards, the left and right movable die guide posts 12 and 12 'are inserted into the holes of the lower die plate 6 to move downwards, when the stripper plate 5 contacts the movable spring assembly 112, the left and right springs 10 and 10' are compressed and compress the movable spring assembly 112, the clamp plate 4 drives the 3 punching needles 11 to move downwards in the radial direction, the punching needle conical heads 11_2 generate conical holes on the 3 circular convex columns 111_4 at the leading-out pin heads of the movable springs, the 3 punching needles 11 continue to impact downwards, the three circular convex columns 111_4 are respectively expanded in the 3 circular holes 112_4 of the movable spring assembly, and then the riveting part is subjected to flat pressing to enable the surface diameter of the riveting part to be larger than the aperture of the circular holes 112_4 of the movable springs.
D. Stripping material
After riveting, the movable die assembly is separated from the static die assembly, and the stripper plate 5 is separated from the clamp plate 4 under the action of the left spring 10 and the right spring 10', so that the stripping is smooth.
The above embodiments are only examples of the present invention, and are not intended to limit the present invention, and all simple modifications, changes and equivalent changes made to the above embodiments according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (3)
1. The utility model provides a relay moves spring subassembly high accuracy riveting set for smart electric meter, includes movable mould subassembly and sets up the quiet mould subassembly below it, be provided with guider, its characterized in that between movable mould subassembly and the quiet mould subassembly: the movable die assembly comprises a die handle (1), an upper die base (2), an upper base plate (3), a clamping plate (4), a stripper plate (5), a left spring, a right spring (10, 10 '), 3 punching needles (11) and a left movable die guide post and a right movable die guide post (12, 12');
the die handle (1) is fixedly arranged on the upper die holder (2) through two inner hexagonal screws A (14);
the 3 punching needles (11), the left movable die guide column and the right movable die guide column (12 and 12') are all arranged on the clamping plate (4); holes matched with the left and right movable mould guide posts (12, 12') are formed in the stripper plate (5);
the clamping plate (4) and the upper backing plate (3) are fixed on the upper die holder (2) through a plurality of hexagon socket head cap screws B (15); a left inner hexagonal screw C (16) and a right inner hexagonal screw C (16) are connected among the upper die holder (2), the upper base plate (3) and the clamping plate (4);
the left spring and the right spring (10 and 10 ') are respectively arranged between the clamping plate (4) and the stripper plate (5) along the vertical direction, and the free ends of the two inner hexagonal screws C (16) extend into the left spring and the right spring (10 and 10') respectively after penetrating through the upper die base (2), the upper backing plate (3) and the clamping plate (4);
the width of the stripper plate (5) is smaller than that of the clamping plate (4), and no interference exists between 3 punching needles (11) on the clamping plate (4) and the stripper plate (5);
the static die assembly comprises a lower template (6), a lower backing plate (7), a lower die seat (8), a fixed backing plate (9), a replaceable insert (13) and 3 fixing columns (19);
the replaceable insert (13) and the 3 fixing columns (19) are arranged on the lower template (6);
the lower template (6) and the lower backing plate (7) are fixed on the lower die base (8) through a plurality of hexagon socket head cap screws D (17);
the fixed backing plate (9) is fixed on the lower die seat (8) through a plurality of hexagon socket head cap screws E (18);
the lower template (6) is provided with a plurality of holes matched with the left and right movable mould guide posts (12, 12');
3 punching needles (11) on the movable mould component are matched with 3 fixing columns (19) on the static mould component.
2. The high-precision riveting device for the relay moving spring assembly for the intelligent electric meter according to claim 1, characterized in that: the guiding device arranged between the static die components of the movable die component comprises two upper die base guide sleeves (20) arranged at the lower end of the upper die base (2) and two lower die base guide rods (80) arranged at the upper end of the lower die base (8).
3. The high-precision riveting device for the relay moving spring assembly for the intelligent electric meter according to claim 1, characterized in that: the punching needle (11) comprises a punching needle sleeve (11 _ 1) and a punching needle conical head (11 _ 2) arranged in an inner cavity of the punching needle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309016.2U CN216137983U (en) | 2021-06-11 | 2021-06-11 | High-precision riveting device for relay movable spring assembly for intelligent electric meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309016.2U CN216137983U (en) | 2021-06-11 | 2021-06-11 | High-precision riveting device for relay movable spring assembly for intelligent electric meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216137983U true CN216137983U (en) | 2022-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121309016.2U Active CN216137983U (en) | 2021-06-11 | 2021-06-11 | High-precision riveting device for relay movable spring assembly for intelligent electric meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216137983U (en) |
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2021
- 2021-06-11 CN CN202121309016.2U patent/CN216137983U/en active Active
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