CN216801345U - Automatic punching and corner cutting forming die for elevator strut - Google Patents
Automatic punching and corner cutting forming die for elevator strut Download PDFInfo
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- CN216801345U CN216801345U CN202123082570.4U CN202123082570U CN216801345U CN 216801345 U CN216801345 U CN 216801345U CN 202123082570 U CN202123082570 U CN 202123082570U CN 216801345 U CN216801345 U CN 216801345U
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Abstract
An automatic punching and corner-cutting forming die of an elevator strut comprises an upper die mechanism and a lower die mechanism, wherein the upper die mechanism comprises an upper die plate, an upper clamping plate, an upper stripper plate, a punching needle assembly, a corner-cutting male die, a bending upper die and a detection assembly, the punching needle assembly, the corner-cutting male die, the cutting male die and the bending upper die are respectively and fixedly connected to the bottom of the upper die plate and are sequentially arranged along the conveying direction of strip materials; the lower die mechanism comprises a lower die base, a lower die plate, a material ejecting plate, a punching female die, a corner cutting female die, a cutting female die and a bending lower die; the bottom forming part of the bending upper die is positioned below the cutting male die, and in the process that the upper die mechanism and the lower die mechanism are close to each other, the strip material is bent by the bending upper die and then cut by the cutting male die. By adopting the technical scheme, the product is cut off after being bent, and the final shape and the size precision of the product can be ensured.
Description
Technical Field
The utility model relates to the technical field of elevator strut forming dies, in particular to an automatic punching and corner cutting forming die for an elevator strut.
Background
The existing elevator strut forming die usually cuts a strip material firstly and then bends a plate material, so that the cut bending can deform the appearance of the plate material and reduce the dimensional accuracy, and therefore improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic punching and corner cutting forming die for an elevator support frame, which has the characteristics of high automation degree, small product deformation and high dimensional precision. In order to achieve the purpose, the utility model adopts the following technical scheme:
an automatic punching and corner-cutting forming die of an elevator strut comprises an upper die mechanism and a lower die mechanism, wherein the upper die mechanism comprises an upper die plate, an upper clamping plate, an upper stripper plate, a punching needle assembly, a corner-cutting male die, a bending upper die and a detection assembly, the punching needle assembly comprises a plurality of punching needles, the upper clamping plate is fixed at the bottom of the upper die plate, the upper stripper plate is arranged below the upper clamping plate, a first elastic piece is arranged between the upper stripper plate and the upper die plate and limits the lower limit position of the upper stripper plate through screws, and the punching needle assembly, the corner-cutting male die, the cutting male die and the bending upper die are respectively and fixedly connected to the bottom of the upper die plate and are sequentially arranged along the strip conveying direction; the lower die mechanism comprises a lower die base, a lower die plate, a material ejecting plate, a punching female die, a corner cutting female die, a cutting female die and a bending lower die; the lower die plate is mounted on the lower die base, the punching female die, the corner cutting female die, the cutting female die and the bending lower die are arranged on the lower die plate, the punching female die, the corner cutting female die, the cutting female die and the bending lower die are respectively arranged corresponding to the punching needle assembly, the corner cutting male die, the cutting male die and the bending upper die up and down, the ejector plate is mounted on the lower die plate and located between the punching female die and the cutting female die, a second elastic part is arranged between the ejector plate and the lower die plate, and the upper limit position of the ejector plate is limited through screws; the bottom forming part of the bending upper die is located below the cutting male die, and in the process that the upper die mechanism and the lower die mechanism are close to each other, the strip is bent by the bending upper die and then cut by the cutting male die.
Further, the detecting component includes testing pin, third elastomer, switch probe and switch, the testing pin vertically sets up, is provided with the third elastomer between testing pin's top and the cope match-plate pattern, be provided with the first spacing step of restriction testing pin lower extreme position on cope match-plate pattern or the cope match-plate pattern, the switch probe transversely sets up, the one end of switch probe and the contact of switch, the switch is connected with the punch press switch, be provided with the circular arc recess on testing pin's the lateral wall, the other end of switch probe is established in the circular arc recess and is matchd with the shape of circular arc recess, testing pin equals the multiple of strip material single feed volume or for strip material single feed volume with the distance of the punching needle that corresponds.
Further, be provided with first mounting hole on the cope match-plate pattern, the upper portion of first mounting hole is the screw hole, screw hole department threaded connection has the screw stopper, the third elastomer sets up in first mounting hole, and the top of third elastomer and the bottom contact of screw stopper are provided with the second mounting hole on punch holder and the last material returning plate, the detection pin is established in the second mounting hole, the detection pin is including setting up the spacing step of second at the top, the spacing step setting of second is spacing by the first spacing step that is located the below in first mounting hole, and the top of the spacing step of second and the bottom contact of third elastomer, lower die mechanism corresponds the bottom that detects the pin and is provided with and dodges the hole.
Furthermore, the aperture of the second mounting hole is smaller than the outer diameter of the second limiting step, and the upper surface of the upper clamping plate at the second mounting hole forms the first limiting step.
Furthermore, the punching needle assembly further comprises a guide hole punching needle, and a guide pin is arranged on the upper die mechanism corresponding to a guide hole punched by the guide hole punching needle.
Furthermore, the lower bending die comprises a lower bending die holder and a bending insert which is detachably mounted at the top of the lower bending die holder, and the outer surface of the bending insert forms a bending forming surface.
Furthermore, the ejector plate is provided with a guide wall which is obliquely arranged at one end where the material is fed.
By adopting the technical scheme, the bottom forming part of the bending upper die is positioned below the cutting male die, and in the process that the upper die mechanism and the lower die mechanism are close to each other, the strip material is bent by the bending upper die and then cut by the cutting male die, so that the final shape and the size precision of a product can be ensured by cutting after bending.
Drawings
FIG. 1 is a schematic view of a strand being conveyed on a lower die mechanism.
FIG. 2 is a side view of an automatic punch and chamfer forming die.
FIG. 3 is a schematic view of a detection assembly.
Fig. 4 is a schematic view of the processing of the strip.
Fig. 5 is a schematic front view of an elevator car.
Fig. 6 is a side schematic view of an elevator car.
Detailed Description
The utility model is described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-6, an automatic punching and corner cutting forming die for an elevator support frame comprises an upper die mechanism and a lower die mechanism.
The upper die mechanism comprises an upper die plate 1, an upper clamp plate 2, an upper stripper plate 3, a punching needle assembly, a corner cutting male die 4, a cutting male die 5, an upper die 6 and a detection assembly bend, the punching needle assembly comprises a plurality of punching needles, the upper clamp plate 2 is fixed at the bottom of the upper die plate 1, the upper stripper plate 3 is arranged below the upper clamp plate 2, a first elastic part 7 is arranged between the upper stripper plate 3 and the upper die plate 1 and limits the lower limit position of the upper stripper plate 3 through screws, the punching needle assembly, the corner cutting male die 4, the cutting male die 5 and the bending upper die 6 are respectively and fixedly connected to the bottom of the upper die plate 1 and are sequentially arranged along the conveying direction of the strip material 35.
The lower die mechanism comprises a lower die base 8, a lower die plate 9, a material ejecting plate 10, a punching female die 11, a corner cutting female die 12, a cutting female die 13 and a bending lower die 14; the lower die plate 9 is installed on the lower die base 8, the punching female die 11, the corner cutting female die 12, the cutting female die 13 and the bending lower die 14 are arranged on the lower die plate 9, the punching female die 11, the corner cutting female die 12, the cutting female die 13 and the bending lower die 14 are respectively arranged corresponding to the punching needle assembly, the corner cutting male die 4, the cutting male die 5 and the bending upper die 6 from top to bottom, the ejector plate 10 is installed on the lower die plate 9 and located between the punching female die 11 and the cutting female die 13, and a second elastic piece 15 is arranged between the ejector plate 10 and the lower die plate 9 and limits the upper limit position of the ejector plate 10 through screws.
The ejector plate 10 is provided at the feed end with an obliquely arranged guide wall 16, and the ejector plate 10 is slightly higher than the punching die 11 when the die is opened, so that the obliquely downwardly arranged guide wall 16 enables the strip 35 to be conveyed above the ejector plate 10.
The punching needle assembly further comprises a guide hole punching needle, and a guide pin 20 is arranged on the upper die mechanism corresponding to a guide hole 17 punched by the guide hole punching needle, so that after the guide hole 17 is punched in the front process step, the guide pin 20 is inserted into the guide hole 17 in the rear process step, the bar material 35 can be guided, and the precision is improved.
The bending lower die 14 comprises a bending lower die base and a bending insert 15 detachably mounted at the top of the bending lower die base, and a bending molded surface is formed on the outer surface of the bending insert 15. The material of the lower bending die 14 is 45 # steel, and the material of the bending insert 15 is Cr12MoV with higher strength, so that the cost of the die is saved, and the die is convenient to maintain and replace.
As shown in fig. 1 and 3, the detecting assembly includes a detecting pin 21, a third elastic body 22, a switch probe 23 and a switch 24, the detecting pin 21 is longitudinally arranged, the third elastic body 22 is arranged between the top end of the detecting pin 21 and the upper die plate 1, a first limit step 29 for limiting the lower limit position of the detecting pin 21 is arranged on the upper die plate 1 or the upper die plate 2, the switch probe 23 is transversely arranged, one end of the switch probe 23 contacts with a contact of the switch 24, the switch 24 is connected with a switch of the punching machine, an arc groove 25 is arranged on the side wall of the detecting pin 21, the other end of the switch probe 23 is arranged in the arc groove 25 and matches with the shape of the arc groove 25, and the distance between the detecting pin 21 and the corresponding punching pin is equal to the single feeding amount of the bar 35 or is a multiple of the single feeding amount of the bar 35.
Specifically, the upper template 1 is provided with a first mounting hole, the upper part of the first mounting hole is a threaded hole, the threaded hole is in threaded connection with a threaded plug 26, the third elastic body 22 is arranged in the first mounting hole, the top of the third elastic body 22 is in contact with the bottom of the threaded plug 26, the upper clamping plate 2 and the upper stripper plate 3 are provided with second mounting holes 27, the detection pin 21 is arranged in the second mounting hole 27, the detection pin 21 is including setting up the second spacing step 28 at the top, and the setting of second spacing step 28 is spacing by the first spacing step 29 that is located the below in first mounting hole, and the aperture of second mounting hole 27 is less than the external diameter of the spacing step 28 of second, and the upper surface that punch holder 2 is located second mounting hole 27 department forms first spacing step 29, and the top of the spacing step 28 of second contacts with the bottom of third elastomer 22, and the bottom that lower die mechanism corresponds detection pin 21 is provided with dodges hole 30.
By adopting the detection assembly, when the step pitch is not aligned, the detection pin 21 rises to enable the switch probe 23 to move transversely, so that the switch 24 is triggered, the switch 24 is connected with the switch 24 of the punch press, and the punch press stops blanking and is prevented from producing unqualified products.
With the forming die having the above structure, as shown in fig. 4, the strip 35 passes through the punching hole 31, the corner cutting 32, the bending 33, and then the cutting 34 to form the individual elevator bracket 36. The bottom forming part of the bending upper die 6 is located below the cutting male die 5, and in the process that the upper die mechanism and the lower die mechanism are close to each other, the strip 35 is bent by the bending upper die 6 firstly and then is cut by the cutting male die 5. Therefore, cutting is performed after bending, and the final shape and dimensional accuracy of the product can be ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications, combinations and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. The utility model provides an automatic corner cut moulded die that punches a hole of elevator strut which characterized in that: the stamping device comprises an upper die mechanism and a lower die mechanism, wherein the upper die mechanism comprises an upper die plate, an upper clamping plate, an upper stripper plate, a stamping needle assembly, a corner cutting male die, a bending upper die and a detection assembly, the stamping needle assembly comprises a plurality of stamping needles, the upper clamping plate is fixed at the bottom of the upper die plate, the upper stripper plate is arranged below the upper clamping plate, a first elastic piece is arranged between the upper stripper plate and the upper die plate and limits the lower limit position of the upper stripper plate through screws, and the stamping needle assembly, the corner cutting male die, the cutting male die and the bending upper die are respectively and fixedly connected to the bottom of the upper die plate and are sequentially arranged along the strip conveying direction;
the lower die mechanism comprises a lower die base, a lower die plate, a material ejecting plate, a punching female die, a corner cutting female die, a cutting female die and a bending lower die; the lower die plate is mounted on the lower die base, the punching female die, the corner cutting female die, the cutting female die and the bending lower die are arranged on the lower die plate, the punching female die, the corner cutting female die, the cutting female die and the bending lower die are respectively arranged corresponding to the punching needle assembly, the corner cutting male die, the cutting male die and the bending upper die up and down, the ejector plate is mounted on the lower die plate and located between the punching female die and the cutting female die, a second elastic part is arranged between the ejector plate and the lower die plate, and the upper limit position of the ejector plate is limited through screws;
the bottom forming part of the bending upper die is located below the cutting male die, and in the process that the upper die mechanism and the lower die mechanism are close to each other, the strip is bent by the bending upper die and then cut by the cutting male die.
2. The automatic punching and corner cutting forming die for the elevator supporting frame as claimed in claim 1, wherein: the utility model discloses a punch press, including detection pin, third elastomer, switch probe and switch, detection pin is vertical to be set up, is provided with the third elastomer between detection pin's top and the cope match-plate pattern, be provided with the first spacing step of restriction detection pin lower limit position on cope match-plate pattern or the cope match-plate pattern, the switch probe transversely sets up, and the one end of switch probe and the contact of switch, the switch is connected with the punch press switch, be provided with the circular arc recess on detection pin's the lateral wall, the other end of switch probe is established in the circular arc recess and is matchd with the shape of circular arc recess, the distance of detection pin and the impact pin that corresponds equals strip material single feed volume or is the multiple of strip material single feed volume.
3. The automatic punching and chamfering die for the elevator supporting frame according to claim 2, wherein: be provided with first mounting hole on the cope match-plate pattern, the upper portion of first mounting hole is the screw hole, screw hole department threaded connection has the screw stopper, the third elastomer sets up in first mounting hole, and the top of third elastomer and the bottom contact of screw stopper are provided with the second mounting hole on punch holder and the last material returned board, the detection pin is established in the second mounting hole, the detection pin is including setting up the spacing step of second at the top, the spacing step setting of second is spacing by the first spacing step that is located the below in first mounting hole, the top of the spacing step of second and the bottom contact of third elastomer, lower die mechanism corresponds the bottom of detection pin and is provided with and dodges the hole.
4. The automatic punching and chamfering die for an elevator bracket according to claim 3, wherein: the aperture of the second mounting hole is smaller than the outer diameter of the second limiting step, and the upper surface of the upper clamping plate, which is located at the second mounting hole, forms the first limiting step.
5. The automatic punching and chamfering die for the elevator supporting frame according to claim 1, wherein: the punching needle assembly further comprises a guide hole punching needle, and a guide pin is arranged on the upper die mechanism and corresponds to a guide hole punched by the guide hole punching needle.
6. The automatic punching and chamfering die for the elevator supporting frame according to claim 1, wherein: the bending lower die comprises a bending lower die base and a bending insert which is detachably mounted at the top of the bending lower die base, and the outer surface of the bending insert forms a bending forming surface.
7. The automatic punching and chamfering die for the elevator supporting frame according to claim 1, wherein: and the ejector plate is positioned at one end of the feeding part and is provided with a guide wall which is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123082570.4U CN216801345U (en) | 2021-12-09 | 2021-12-09 | Automatic punching and corner cutting forming die for elevator strut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123082570.4U CN216801345U (en) | 2021-12-09 | 2021-12-09 | Automatic punching and corner cutting forming die for elevator strut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216801345U true CN216801345U (en) | 2022-06-24 |
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ID=82052374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123082570.4U Active CN216801345U (en) | 2021-12-09 | 2021-12-09 | Automatic punching and corner cutting forming die for elevator strut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216801345U (en) |
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2021
- 2021-12-09 CN CN202123082570.4U patent/CN216801345U/en active Active
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