CN220479935U - Die-cut tensile processingequipment of terminal box - Google Patents
Die-cut tensile processingequipment of terminal box Download PDFInfo
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- CN220479935U CN220479935U CN202321777532.7U CN202321777532U CN220479935U CN 220479935 U CN220479935 U CN 220479935U CN 202321777532 U CN202321777532 U CN 202321777532U CN 220479935 U CN220479935 U CN 220479935U
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- upper die
- driving end
- die cavity
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- 238000004080 punching Methods 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 abstract description 16
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model provides a punching and stretching processing device for a junction box, which comprises a base, a punching and stretching mechanism and a lifting driving mechanism. The lifting driving mechanism comprises an upper driving end and a lower driving end; the punching and stretching mechanism comprises a first fixed platform fixed on the upper driving end and a second fixed platform fixed on the base; a lower outer die and a lower inner die are arranged on the second fixed platform, and form a lower die cavity; a movable edge pressing baffle ring is arranged in the lower die cavity, the bottom of the edge pressing baffle ring is connected with a plurality of ejector rods, and the lower ends of the ejector rods penetrate through holes in the second fixed platform and are connected with the lower driving end; an upper die is arranged on the first fixed platform, and an upper die cavity is formed in the middle of the upper die; the upper die cavity is internally provided with a movable demoulding stop block, and the demoulding stop block is connected with the upper driving end through a spring. The junction box punching and stretching processing device can punch material sheets and stretch the material sheets in situ, saves time for feeding and discharging and transferring workpieces between stations, and improves processing efficiency.
Description
Technical Field
The utility model relates to the field of junction box production, in particular to a junction box punching and stretching processing device.
Background
In the modern construction industry, junction boxes are typically embedded in cast-in-place or prefabricated walls or floors to provide a hidden line connection or to install panels such as switches, sockets, etc.
In the production process of the junction box made of metal materials, a plurality of material sheets matched with the shape and the size of the junction box to be produced are cut from a metal coiled material (raw material), then the cut material sheets are stretched into box bodies (semi-finished products) one by one, and the finished product of the junction box is finally obtained through the processing procedures of trimming, punching and the like. The process of processing raw materials into semi-manufactured goods box body is usually divided into two procedures of cutting material sheets (also called shearing plates) and stretching the box body and is carried out at different stations, the required equipment is large in quantity, high in cost and large in occupied space, time and labor are wasted by feeding and discharging twice and transferring workpieces between stations, and the processing efficiency is low.
Disclosure of Invention
The present utility model has been made to solve the above-described problems, and an object of the present utility model is to provide a junction box die-cutting and stretching apparatus capable of performing the above-described process.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a die-cut tensile processingequipment of terminal box, includes base, die-cut stretching mechanism and lift actuating mechanism, wherein:
the lifting driving mechanism comprises an upper driving end and a lower driving end,
the punching and stretching mechanism comprises a first fixed platform fixedly connected with the upper driving end and a second fixed platform fixedly connected with the base,
the top of the second fixed platform is provided with a lower outer die and a lower inner die which are matched with the shape and the size of the junction box body to be processed, the middle part of the lower outer die is communicated, the lower inner die is positioned in the lower outer die, the lower inner die, the lower outer die and the second fixed platform form a lower die cavity, a movable edge pressing baffle ring is arranged in the lower die cavity, the bottom of the edge pressing baffle ring is connected with a plurality of ejector rods, the second fixed platform is provided with a plurality of through holes, the lower ends of the ejector rods penetrate through the through holes on the second fixed platform and are connected with a lower driving end,
the bottom of the first fixed platform is provided with an upper die matched with the lower die cavity, the middle part of the upper die is provided with an upper die cavity, a movable demoulding stop block is arranged in the upper die cavity, and the demoulding stop block is connected with the upper driving end through a spring.
Further, the outer side edge of the bottom of the upper die and the inner side edge of the top of the lower outer die are right angles; the inner side edge of the bottom of the upper die and the outer side edge of the top of the lower internal die are fillets.
Further, the junction box punching and stretching processing device further comprises a left-right deflection feeding mechanism which is arranged on the base and located at one side of the punching and stretching mechanism and used for conveying raw materials to the punching and stretching mechanism.
Further, a horizontal top plate is arranged on the second fixing platform, is positioned above the lower outer die, and is provided with a feeding gap with the top of the lower outer die, through which raw materials can pass, and is used for limiting the raw materials conveyed to the punching and stretching mechanism.
Further, a notch conforming to the external shape of the upper die is formed in one side of the horizontal top plate, which is close to the lower inner die.
Further, a through hole is formed in the connecting position of the first fixing platform and the bottom of the upper die, a first bottom plate is connected to the upper driving end, a fixing rod is arranged on the first bottom plate, the tail end of the fixing rod is located in the through hole, a spring connected with the demolding stop block is sleeved on the fixing rod, and the upper end of the spring is abutted to the first bottom plate through the through hole.
Further, the first counter bore with the big end up is still seted up to first fixed platform and last mould bottom hookup location, vertically wears to be equipped with first guide arm in the first counter bore, and the head end of first guide arm is located the top, and the tail end is located below and drawing of patterns dog fastening connection, and when last mould did not impress down the die cavity, the head end of first guide arm was located first counter bore, offsets with the step in the first counter bore, and the drawing of patterns dog is located the lower part opening part of last die cavity, and the lower surface of drawing of patterns dog highly accords with the bottom surface of last mould.
Further, a second counter bore with a small upper part and a large lower part is formed in the second fixing platform, a second guide rod vertically penetrates through the second counter bore, the head end of the second guide rod is located below, the tail end of the second guide rod is located above and is fixedly connected with a blank holder baffle ring, when the upper die is not pressed into the lower die cavity, the head end of the second guide rod is located in the second counter bore, the blank holder baffle ring is located at the upper opening of the lower die cavity, and the upper surface of the blank holder baffle ring is consistent with the top surfaces of the lower inner die and the lower outer die in height.
Further, a plurality of guide sleeves are arranged on the first fixed platform, a plurality of guide posts matched with the guide sleeves are arranged on the second fixed platform, and when the upper driving end drives the upper die to press down, the guide posts penetrate through the guide sleeves in a one-to-one correspondence manner to form guide fit.
Further, one side of the second fixed platform far away from the feeding mechanism is connected with a downward-inclined blanking chute for collecting the box body after stretching.
The utility model has the following beneficial effects:
1. the junction box punching and stretching processing device can complete punching of the material sheets, and the cut material sheets are directly stretched in situ without dividing into two stations and two working procedures, so that the time for feeding and discharging and transferring workpieces between stations is saved, and the processing efficiency is improved.
2. The punching and stretching processing device for the junction box has a simple structure, can effectively save equipment cost, occupies small space and is easy to lay out a production line.
3. The movable demoulding stop block is arranged in the upper die cavity and connected with the upper driving end through the spring, the stretched box body can be pushed away from the upper die cavity through the spring force, the box body is prevented from being clamped in the upper die cavity, the machining is interrupted and even equipment faults are caused, smooth machining is facilitated, and the yield of the production line can be improved.
Drawings
FIG. 1 is a schematic illustration of tiling of raw materials in an embodiment of the utility model;
FIG. 2 is a schematic diagram of the construction of a semi-finished terminal block in an embodiment of the present utility model;
FIG. 3 is a top view of a second stationary platform in an embodiment of the utility model;
FIG. 4 is a cross-sectional view of an upper die in a die cut stretching mechanism in accordance with an embodiment of the present utility model;
fig. 5 is a cross-sectional view of an upper die in a die cut stretching mechanism in accordance with an embodiment of the present utility model.
Reference numerals:
1-raw material, 2-material sheets, 3-box body, 10-first fixing platform, 11-through hole, 12-first counter bore, 20-second fixing platform, 21-through hole, 22-second counter bore, 31-lower outer die, 32-lower inner die, 33-upper die, 41-edge pressing baffle ring, 42-ejector rod, 43-second guide rod, 44-second bottom plate, 51-demolding stop block, 52-spring, 53-first bottom plate, 54-fixing rod, 55-first guide rod, 61-horizontal top plate, 62-vertical plate, 63-notch, 71-guide sleeve and 72-guide column.
Detailed Description
In order to make the technical means, creation characteristics, achievement purposes and effects achieved by the present utility model easy to understand, the following embodiments specifically describe the punching and stretching processing device for the junction box of the present utility model with reference to the accompanying drawings.
< example >
As shown in fig. 1 and 2, in this embodiment, a raw material 1 for processing a junction box is a metal coil, and is a long rectangular sheet body after being spread and tiled. The junction box punching and stretching device is used for punching the material sheet 2 from the raw material 1 and stretching the material sheet 2 into a box body 3, so that a junction box semi-finished product is obtained.
The die-cut tensile processingequipment of terminal box of this embodiment includes base, die-cut stretching mechanism and lift actuating mechanism, wherein:
the lifting driving mechanism comprises an upper driving end and a lower driving end. In the embodiment, the lifting driving mechanism adopts an oil press with the model of Y28-100T, and the upper driving end and the lower driving end are push rods of an upper oil cylinder and a lower oil cylinder of the oil press respectively.
As shown in fig. 3 to 5, the die-cut stretching mechanism includes a first fixing stage 10 fixedly connected to the upper driving end and a second fixing stage 20 fixedly connected to the base.
The top of second fixed platform 20 is provided with lower external mold 31 and lower internal mold 32 that matches with terminal box body shape size that needs processing, and lower external mold 31 middle part link up, and lower internal mold 32 is located lower external mold 31 inside, and lower internal mold 32, lower external mold 31 and second fixed platform 20 form the die cavity down, are provided with mobilizable blank holder baffle 41 in the die cavity down, and blank holder baffle 41 bottom is connected with a plurality of ejector pins 42, has seted up a plurality of through-holes 21 on the second fixed platform 20, and the lower extreme of ejector pin 42 passes through-hole 21 on the second fixed platform 20 and is connected with lower part drive end.
The bottom of the first fixed platform 10 is provided with an upper die 33 which is matched with the lower die cavity, the middle part of the upper die 33 is provided with an upper die cavity, the upper die cavity is internally provided with a movable demoulding stop block 51, and the demoulding stop block 51 is connected with the upper driving end through a spring 52.
Further, the bottom outer side edge of the upper die 33 and the top inner side edge of the lower outer die 31 are both right angles, and the upper die 33 and the lower outer die 31 are matched to be used as cutting edges, so that a material piece can be cut from the raw material 1; the bottom inner side edge of the upper die 33 and the top outer side edge of the lower inner die 32 are rounded. The upper die 33 cooperates with the lower die 32 to stretch the sheet 2 into the box 3.
Further, the die-cut tensile processing device of terminal box still includes control beat feeding mechanism, and this feeding mechanism sets up on the base, is located die-cut tensile mechanism's one side, can carry raw and other materials 1 to die-cut tensile mechanism. In the embodiment, the feeding mechanism adopts a ncf-500 servo deflection feeder, so that the arrangement of the processing positions on the raw material 1 can be more compact through deflection left and right, the generation of waste materials is reduced, the utilization rate of the raw materials is improved, and the production cost is saved.
Further, the second fixing platform 20 is provided with a horizontal top plate 61, and the horizontal top plate 61 is located above the lower outer die 31 and leaves a feeding gap with the top of the lower outer die 31 for the raw material 1 to pass through. In this embodiment, the horizontal top plate 61 is a rectangular plate, and two sides of the bottom are connected and supported on the second fixing platform 20 through two vertical plates 62, so that the raw material 1 conveyed to the punching and stretching mechanism can be limited, and the processing precision is improved. The side of the horizontal top plate 61 near the lower inner die 32 has a recess 63 conforming to the outer shape of the upper die 33 to avoid interference with the upper die 33.
Further, a through hole 11 is formed at a position where the first fixing platform 10 is connected to the bottom of the upper mold 33. The upper driving end is connected with a first bottom plate 53, a fixing rod 54 is arranged on the first bottom plate 53, and the tail end of the fixing rod 54 is positioned in the through hole 11. The spring 52 connected to the release stopper 51 is fitted over the fixing rod 54, and the upper end thereof passes through the through hole 11 and abuts against the first bottom plate 53.
Further, the connecting position between the first fixing platform 10 and the bottom of the upper mold 33 is further provided with a first counterbore 12 with a large upper part and a small lower part, a first guide rod 55 is vertically penetrated in the first counterbore 12, the first guide rod 55 may be a screw or a bolt, the head end of the first guide rod 55 is located above, and the tail end is located below and is fixedly connected with the demolding stop 51, for example, in a threaded connection. When the upper die 33 is not pressed into the lower die cavity (at the initial position), the head end of the first guide rod 55 is positioned in the first counter bore 12 and is propped against the step in the first counter bore 12 under the action of spring force, so that the demolding stop 51 is prevented from being separated from the upper die cavity; at this time, the demolding block 51 is located at the lower opening of the upper mold cavity, and the lower surface of the demolding block 51 is in high agreement with the bottom surface of the upper mold 33.
Further, the second fixing platform 20 is provided with a second counterbore 22 with a small top and a large bottom, a second guide rod 43 is vertically penetrated in the second counterbore 22, the second guide rod 43 may be a screw or a bolt, the head end of the second guide rod 43 is located below, and the tail end is located above and is fastened with the edge pressing baffle ring 41, for example, in threaded connection. In this embodiment, the lower driving end is connected to a second bottom plate 44, and the second bottom plate 44 is connected to the ejector rod 42 at the bottom of the edge-pressing retaining ring 41. When the upper die 33 is not pressed into the lower die cavity (in the initial position), the head end of the second guide rod 43 is positioned in the second counter bore 22; the edge pressing baffle ring 41 is positioned at the upper opening of the lower die cavity, and the upper surface of the edge pressing baffle ring 41 is in height consistency with the top surfaces of the lower inner die 32 and the lower outer die 31.
Further, the first fixing platform 10 is provided with a plurality of guide sleeves 71, and the second fixing platform 20 is provided with a plurality of guide posts 72 adapted to the guide sleeves 71.
In this embodiment, the first fixing platform 10 and the second fixing platform 20 are rectangular plates, and the bottom is connected to the lifting driving mechanism through a plurality of supporting legs. The four corners of the first fixed platform 10 are each provided with a guide sleeve 71, and correspondingly, the four corners of the second fixed platform 20 are each provided with a vertical guide post 72. When the upper driving end drives the upper die 33 to press down, the guide posts 72 penetrate through the guide sleeve 71 in a one-to-one correspondence manner to form guide fit, so that the stability and accuracy of processing are improved, and the rejection rate is reduced.
Further, a downward inclined blanking chute is connected to one side, far away from the feeding mechanism, of the second fixing platform 20, and the stretched box body 3 can be collected.
In operation, first, the raw material 1 is conveyed by the feeding mechanism, so that the position to be processed on the raw material 1 is moved between the upper die 33 and the lower outer die 31; then, the upper driving end of the lifting driving mechanism descends to drive the upper die 33 to press down, and the upper die 33 and the edge pressing baffle ring 41 clamp the edge position of the material sheet 2; the upper driving end drives the upper die 33 to continuously press downwards, the lower driving end drives the edge pressing baffle ring 41 to synchronously descend, the lower inner die 32 is inserted into the upper die cavity while the upper die 33 is inserted into the lower die cavity, the upper die 33 and the lower outer die 31 are staggered up and down, a material piece 2 is cut from the raw material 1, the spring 52 is stressed and compressed, the demoulding stop block 51 is pressed into the deep part of the upper die cavity by the lower inner die 32, the upper die 33 and the lower inner die 32 are staggered up and down, and the material piece is stretched into a box body; then, the upper driving end drives the upper die 33 to ascend, the movable stop block pushes the box body 3 under the force of the spring 52 to separate the box body 3 from the upper die cavity and leave the box body 3 on the lower inner die 32, and the movable stop block returns to the initial position; finally, the lower driving end drives the edge pressing baffle ring 41 to ascend to push the box body to be separated from the lower internal mold 32, and the edge pressing baffle ring 41 returns to the initial position. The feeding mechanism continues to convey the raw material 1, so that the next position to be processed is aligned to the die, and meanwhile, the box body 3 separated from the die is pushed into the blanking chute by the raw material 1 conveyed forward by the feeding mechanism, so that blanking is completed.
The above embodiments are preferred examples of the present utility model, and are not intended to limit the scope of the present utility model.
Claims (10)
1. The utility model provides a die-cut tensile processingequipment of terminal box, its characterized in that includes base, die-cut stretching mechanism and lift actuating mechanism, wherein:
the lifting driving mechanism comprises an upper driving end and a lower driving end,
the punching and stretching mechanism comprises a first fixed platform fixedly connected with the upper driving end and a second fixed platform fixedly connected with the base,
the top of the second fixed platform is provided with a lower outer die and a lower inner die which are matched with the shape and the size of the junction box body to be processed, the middle part of the lower outer die is communicated, the lower inner die is positioned in the lower outer die, the lower inner die, the lower outer die and the second fixed platform form a lower die cavity, a movable edge pressing baffle ring is arranged in the lower die cavity, the bottom of the edge pressing baffle ring is connected with a plurality of ejector rods, the second fixed platform is provided with a plurality of through holes, the lower ends of the ejector rods penetrate through the through holes on the second fixed platform and are connected with a lower driving end,
the bottom of the first fixed platform is provided with an upper die matched with the lower die cavity, the middle part of the upper die is provided with an upper die cavity, a movable demoulding stop block is arranged in the upper die cavity, and the demoulding stop block is connected with the upper driving end through a spring.
2. The terminal block die-cut stretch tooling device of claim 1, wherein:
wherein the outer side edge of the bottom of the upper die and the inner side edge of the top of the lower outer die are right angles;
the inner side edge of the bottom of the upper die and the outer side edge of the top of the lower internal die are fillets.
3. The terminal block die-cut stretch tooling device of claim 1, further comprising:
the left-right deflection feeding mechanism is arranged on the base and positioned at one side of the punching and stretching mechanism and is used for conveying raw materials to the punching and stretching mechanism.
4. The terminal block die-cut stretch tooling device of claim 1, wherein:
the second fixing platform is provided with a horizontal top plate, the horizontal top plate is located above the lower outer die, and a feeding gap through which raw materials can pass is reserved between the horizontal top plate and the top of the lower outer die and is used for limiting the raw materials conveyed to the punching and stretching mechanism.
5. The terminal block die-cut stretch tooling device of claim 4, wherein:
and one side of the horizontal top plate, which is close to the lower inner die, is provided with a notch which is in accordance with the external shape of the upper die.
6. The terminal block die-cut stretch tooling device of claim 1, wherein:
wherein, a through hole is arranged at the connection position of the first fixed platform and the bottom of the upper die,
the upper driving end is connected with a first bottom plate, a fixed rod is arranged on the first bottom plate, the tail end of the fixed rod is positioned in the through hole,
the spring connected with the demoulding stop block is sleeved on the fixing rod, and the upper end of the spring penetrates through the through hole to be abutted against the first bottom plate.
7. The terminal block die-cut stretch tooling device of claim 1, wherein:
wherein, the connecting position of the first fixing platform and the bottom of the upper die is also provided with a first counter bore with a big upper part and a small lower part, a first guide rod vertically penetrates through the first counter bore, the head end of the first guide rod is positioned above, the tail end of the first guide rod is positioned below and is fixedly connected with the demoulding stop block,
when the upper die is not pressed into the lower die cavity, the head end of the first guide rod is positioned in the first counter bore and is propped against the step in the first counter bore, the demolding stop block is positioned at the opening of the lower part of the upper die cavity, and the lower surface of the demolding stop block is consistent with the bottom surface of the upper die in height.
8. The terminal block die-cut stretch tooling device of claim 1, wherein:
wherein the second fixing platform is provided with a second counter bore with a small upper part and a big lower part, a second guide rod vertically penetrates through the second counter bore, the head end of the second guide rod is positioned below, the tail end of the second guide rod is positioned above and is fixedly connected with the edge pressing baffle ring,
when the upper die is not pressed into the lower die cavity, the head end of the second guide rod is positioned in the second counter bore, the edge pressing baffle ring is positioned at the upper opening of the lower die cavity, and the upper surface of the edge pressing baffle ring is consistent with the top surfaces of the lower inner die and the lower outer die in height.
9. The terminal block die-cut stretch tooling device of claim 1, wherein:
the first fixing platform is provided with a plurality of guide sleeves, the second fixing platform is provided with a plurality of guide posts matched with the guide sleeves, and when the upper driving end drives the upper die to press down, the guide posts penetrate through the guide sleeves in a one-to-one correspondence manner to form guide fit.
10. The terminal block die-cut stretch tooling device of claim 1, wherein:
wherein, one side of second fixed platform that keeps away from feeding mechanism is connected with the blanking spout of downward sloping for collect the box body that the stretching is accomplished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321777532.7U CN220479935U (en) | 2023-07-07 | 2023-07-07 | Die-cut tensile processingequipment of terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321777532.7U CN220479935U (en) | 2023-07-07 | 2023-07-07 | Die-cut tensile processingequipment of terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220479935U true CN220479935U (en) | 2024-02-13 |
Family
ID=89833569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321777532.7U Active CN220479935U (en) | 2023-07-07 | 2023-07-07 | Die-cut tensile processingequipment of terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220479935U (en) |
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2023
- 2023-07-07 CN CN202321777532.7U patent/CN220479935U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A junction box punching and stretching processing device Granted publication date: 20240213 Pledgee: Postal Savings Bank of China Limited Shanghai Jinshan District Branch Pledgor: SHANGHAI KANGRUI ELECTRIC CO.,LTD. Registration number: Y2024310000465 |