CN215355759U - Automatic centering device of stamping die - Google Patents
Automatic centering device of stamping die Download PDFInfo
- Publication number
- CN215355759U CN215355759U CN202121652078.3U CN202121652078U CN215355759U CN 215355759 U CN215355759 U CN 215355759U CN 202121652078 U CN202121652078 U CN 202121652078U CN 215355759 U CN215355759 U CN 215355759U
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- guide
- die
- plate
- centering device
- automatic centering
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- 238000004080 punching Methods 0.000 claims 2
- 239000002184 metal Substances 0.000 abstract description 17
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses an automatic centering device of a stamping die, which comprises: the upper die assembly comprises an upper die base, an upper padding plate and an upper die plate, two rows of guide sleeves extending upwards into the lower die plate are symmetrically arranged in the lower padding plate, guide pillars extending downwards and corresponding to the guide sleeves one to one are arranged at the bottom of the upper die base, guide grooves extending from the excircle of one row of guide sleeves to the direction of the other row of guide sleeves are concavely arranged on the surface of the lower die plate, telescopic rods are arranged in the guide grooves, the front ends of the telescopic rods extend into the guide sleeves through guide holes, and centering push plates extending upwards are arranged on the telescopic rods. Through the mode, the automatic centering device for the stamping die disclosed by the utility model has the advantages that the guide post enters the guide sleeve to force the telescopic rod to move inwards during die assembly, the centering push plates on two sides synchronously move inwards to clamp and automatically center a metal sheet, the stamping precision is ensured, and the abrasion problem is reduced.
Description
Technical Field
The utility model relates to the field of stamping dies, in particular to an automatic centering device for a stamping die.
Background
The stamping die is a special process equipment for processing (pressing) materials (metal or nonmetal) into parts (finished products or semi-finished products), has high efficiency during mass production, and greatly reduces the production and processing cost of workpieces.
The metal sheet is a relatively common stamping part raw material, and in order to improve production efficiency, the metal sheet is usually intermittently introduced into a stamping die to be stamped and loaded and unloaded. After the die is opened, the sheet metal raw material needs to move forward to a station, and in order to improve the moving stability of the sheet metal, a guide block or a floating block can be arranged on the lower die, so that the deflection of the sheet metal is avoided.
In the actual production process, in order to avoid the deflection of the metal sheet and improve the stamping precision, the guide block or the floating block is in close contact with the edge of the metal sheet, and the metal sheet has large friction with the guide block or the floating block when moving forwards, so that the forward movement driving of the metal sheet is hindered, the guide block or the floating block is easily worn to lose the guiding and centering precision, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing an automatic centering device for a stamping die, which can automatically center a metal sheet during die assembly and reduce the abrasion.
In order to solve the technical problems, the utility model adopts a technical scheme that: provided is an automatic centering device for a stamping die, comprising: the lower die assembly is positioned below the upper die assembly and comprises a lower die base, a lower padding plate and a lower template, the lower padding plate is arranged on the lower die base, the lower template is arranged on the lower padding plate, the upper die assembly comprises an upper die base, an upper padding plate and an upper template, the upper padding plate is arranged at the bottom of the upper die base, the upper template is arranged at the bottom of the upper padding plate and positioned above the lower template, two rows of guide sleeves extending upwards into the lower template are symmetrically arranged in the lower padding plate, guide posts extending downwards and corresponding to the guide sleeves one by one are arranged at the bottom of the upper die base, guide grooves extending from the excircle of one row of guide sleeves to the excircle of the other row of guide sleeves are arranged in a concave manner on the surface of the lower template, guide holes communicated with the corresponding guide grooves are radially arranged on the excircle of the guide sleeves, and telescopic rods with front ends extending into the guide sleeves through the guide holes are arranged in the guide grooves, the telescopic link tail end is provided with the spring, be provided with the spacing collar that is located the guide pin bushing outside on the telescopic link, be provided with the centering push pedal that upwards extends on the telescopic link.
In a preferred embodiment of the utility model, the front end of the telescopic rod is provided with a hemisphere, and when the limiting ring is contacted with the outer circle of the guide sleeve, the front part of the hemisphere is protruded in the inner hole of the guide sleeve.
In a preferred embodiment of the present invention, the centering pushing plate is provided with a through hole corresponding to the telescopic rod, and the telescopic rod is provided with nuts located at two sides of the centering pushing plate.
In a preferred embodiment of the present invention, the telescopic rod is provided with a section of external thread corresponding to the nut.
In a preferred embodiment of the utility model, the bottom of the centering push plate is provided with a slide block corresponding to the width of the guide groove.
In a preferred embodiment of the utility model, a circle of flanges are arranged at the lower part of the outer circle of the guide sleeve to form a step, and a mounting hole corresponding to the flange is arranged in the lower backing plate.
In a preferred embodiment of the utility model, the upper template is concavely provided with an avoidance groove corresponding to the centering push plate in the bottom surface.
The utility model has the beneficial effects that: according to the automatic centering device for the stamping die, when the die is opened, the telescopic rod moves outwards and resets under the action of the spring, the centering push plate moves outwards without influencing the forward movement of the metal sheet, the abrasion problem of the centering push plate is reduced, the maintenance cost is reduced, when the die is closed, the guide post enters the guide sleeve to force the telescopic rod to move inwards, the centering push plates on two sides move inwards synchronously to clamp and automatically center the metal sheet, and the stamping precision is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of an automatic centering device for a stamping die according to a preferred embodiment of the present invention;
FIG. 2 is a top view of the lower die assembly of FIG. 1;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the utility model includes:
the automatic centering device of the stamping die shown in fig. 1 comprises: go up mould subassembly and lower mould subassembly, lower mould subassembly is located the below of last mould subassembly, and lower mould subassembly includes die holder 7, lower bolster 6 and lower bolster 5, and lower bolster 6 sets up on die holder 7, and lower bolster 5 sets up on lower bolster 6, fixes through the screw, sound construction.
The upper die assembly comprises an upper die base 1, an upper backing plate 2 and an upper die plate 3, wherein the upper backing plate 2 is arranged at the bottom of the upper die base 1, and the upper die plate 3 is arranged at the bottom of the upper backing plate 2 and is positioned above the lower die plate 5. Two rows of guide sleeves 9 extending upwards into the lower die plate 3 are symmetrically arranged in the lower backing plate 6, in this embodiment, as shown in fig. 2, 2 guide sleeves 9 in each row are provided, 4 guide sleeves 9 are provided in total, guide pillars 4 extending downwards and corresponding to the guide sleeves 9 one by one are arranged at the bottom of the upper die holder 1, and the matching precision of the upper die assembly and the lower die assembly is ensured through the matching of the guide sleeves 9 and the guide pillars 4. The lower part of the excircle of the guide sleeve 9 is provided with a circle of flanges 11 to form steps, and the lower backing plate 6 is provided with mounting holes corresponding to the flanges 11 to position the guide sleeve 9.
The surface of the lower template 5 is concavely provided with guide grooves 15 extending from the excircle of one row of guide sleeves 9 to the direction of the other row of guide sleeves, the excircle of the guide sleeve 9 is radially provided with a guide hole 10 communicated with the corresponding guide groove 15, a telescopic rod 17 with the front end extending into the guide sleeve 9 through the guide hole 10 is arranged in the guide groove 15, in the embodiment, the front end of the telescopic rod 17 is provided with a hemispheroid 18, and when the mold is closed, the guide pillar 4 enters the guide sleeve 9 and is contacted with the hemispheroid 18 to force the telescopic rod 17 to move inwards. In addition, the tail end of the telescopic rod 17 is provided with a spring 14, and the telescopic rod 17 moves outwards to reset when the mould is opened.
In this embodiment, the telescopic rod 17 is provided with a limiting ring 12 located outside the guide sleeve 9 to limit the travel of the telescopic rod 17 moving outward into the guide sleeve 9, when the limiting ring 12 moves outward along with the limiting telescopic rod 17 and contacts with the outer circle of the guide sleeve 9, the front part of the hemisphere 18 protrudes into the inner hole of the guide sleeve 9, and about one third of the hemisphere 18 protrudes into the inner hole of the guide sleeve 9, so that the telescopic rod 17 moves inward by extruding the front part of the hemisphere 18 when the guide post 4 moves downward.
Be provided with the centering push pedal 8 that upwards extends on the telescopic link 17, the bottom surface indent of cope match-plate pattern 3 is provided with the groove of dodging that corresponds with centering push pedal 8, carries out dodging of centering push pedal 8 during the compound die. In this embodiment, be provided with the through-hole that corresponds with telescopic link 17 in the centering push pedal 8, the equipment is convenient, is provided with the nut 13 that is located centering push pedal 8 both sides on the telescopic link 17, is provided with the external screw thread that one section corresponds with nut 13 on the telescopic link 17, and the nut 13 through both sides carries out the regulation and the fixed of centering push pedal 8, changes the interval of both sides centering push pedal 8 to adapt to the sheet metal of different width.
In this embodiment, the bottom of the centering push plate 8 is provided with a slider 16 corresponding to the width of the guide groove 15, the bottom of the centering push plate 8 is welded and fixed to the slider 16, and the centering push plate 8 is guided when moving by the cooperation of the slider 16 and the guide groove 15.
In conclusion, according to the automatic centering device for the stamping die, disclosed by the utility model, the centering push plate 8 moves inwards during die assembly, the metal sheet is automatically clamped and centered, the quality of a stamped product is improved, the centering push plate 8 moves outwards and resets after die opening, the friction between the metal sheet and the centering push plate during forward movement is reduced, and the durability is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, or direct or indirect applications in other related fields, which are made by the contents of the present specification, are included in the scope of the present invention.
Claims (7)
1. An automatic centering device for a stamping die, comprising: the die comprises an upper die component and a lower die component, wherein the lower die component is positioned below the upper die component, the lower die component comprises a lower die holder, a lower padding plate and a lower template, the lower padding plate is arranged on the lower die holder, the lower template is arranged on the lower padding plate, the upper die component comprises an upper die holder, an upper padding plate and an upper template, the upper padding plate is arranged at the bottom of the upper die holder, the upper template is arranged at the bottom of the upper padding plate and positioned above the lower template, the die is characterized in that two rows of guide sleeves extending upwards into the lower template are symmetrically arranged in the lower padding plate, guide posts extending downwards and corresponding to the guide sleeves in a one-to-one manner are arranged at the bottom of the upper die holder, guide grooves extending from the excircle of one row of guide sleeves to the direction of the other row of guide sleeves are arranged in a concave manner on the surface of the lower template, guide holes communicated with the corresponding guide grooves are radially arranged on the excircle of the guide sleeves, and telescopic rods with the front ends extending into the guide sleeves through the guide holes are arranged in the guide grooves, the telescopic link tail end is provided with the spring, be provided with the spacing collar that is located the guide pin bushing outside on the telescopic link, be provided with the centering push pedal that upwards extends on the telescopic link.
2. The automatic centering device of the stamping die as claimed in claim 1, wherein a hemisphere is arranged at the front end of the telescopic rod, and when the limiting ring is in contact with the outer circle of the guide sleeve, the front part of the hemisphere protrudes into the inner hole of the guide sleeve.
3. The automatic centering device for the stamping die as claimed in claim 1, wherein the centering push plate is provided with a through hole corresponding to the telescopic rod, and the telescopic rod is provided with nuts positioned at two sides of the centering push plate.
4. The automatic centering device for the stamping die as claimed in claim 3, wherein the telescopic rod is provided with a section of external thread corresponding to the nut.
5. The automatic centering device of the punching die according to claim 1, wherein the bottom of the centering push plate is provided with a slide block corresponding to the width of the guide groove.
6. The automatic centering device for the stamping die as claimed in claim 1, wherein a circle of flange is arranged at the lower part of the outer circle of the guide sleeve to form a step, and a mounting hole corresponding to the flange is arranged in the lower backing plate.
7. The automatic centering device of the punching die according to claim 1, wherein the upper die plate is concavely provided with an avoiding groove corresponding to the centering push plate in the bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121652078.3U CN215355759U (en) | 2021-07-20 | 2021-07-20 | Automatic centering device of stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121652078.3U CN215355759U (en) | 2021-07-20 | 2021-07-20 | Automatic centering device of stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215355759U true CN215355759U (en) | 2021-12-31 |
Family
ID=79610389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121652078.3U Expired - Fee Related CN215355759U (en) | 2021-07-20 | 2021-07-20 | Automatic centering device of stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215355759U (en) |
-
2021
- 2021-07-20 CN CN202121652078.3U patent/CN215355759U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211231 |