CN219073999U - One-step forming die for fume collecting hood of water heater - Google Patents
One-step forming die for fume collecting hood of water heater Download PDFInfo
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- CN219073999U CN219073999U CN202223183855.1U CN202223183855U CN219073999U CN 219073999 U CN219073999 U CN 219073999U CN 202223183855 U CN202223183855 U CN 202223183855U CN 219073999 U CN219073999 U CN 219073999U
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- water heater
- collecting hood
- fume collecting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model relates to a forming die, in particular to a one-step forming die for a fume collecting hood of a water heater. The device is characterized by comprising an upper template and a lower template, wherein a pressure head is fixed on the lower surface of the upper template, a movable block is arranged above the lower template below the pressure head, and a compression spring is arranged between the bottom of the movable block and the lower template. The upper surface of the movable block is provided with a central pit, a limiting column is concentrically fixed in the central pit, and a space is reserved between the limiting column and the periphery of the central pit. Bending blocks are fixed on the lower templates around the movable blocks. The side surfaces of the two bending blocks are provided with notches for accommodating small bending parts of the smoke collecting hood of the water heater, the lower templates corresponding to the notches are provided with small bending mechanisms, the upper templates above the small bending mechanisms are provided with bolts, the bolts are inserted into the small bending mechanisms, and bending cutters of the small bending mechanisms are driven to enter the notches to bend the small bending parts. The forming die product is not easy to discard, and has high working efficiency and low cost.
Description
Technical Field
The utility model relates to a forming die, in particular to a one-step forming die for a fume collecting hood of a water heater.
Background
The structure of the water heater fume collecting hood blank is shown in fig. 1, two long sides 1 and two short sides 2 of the water heater fume collecting hood blank are required to be bent greatly, and a small bending part 3 of the water heater fume collecting hood blank is required to be bent slightly, so that a water heater fume collecting hood finished product can be obtained. At present, the traditional method is that small bending is formed firstly, then large bending is formed, and when large bending is formed, the small bending is easy to interfere with the large bending to deform, so that the product is scrapped. In addition, the two-time forming mode needs two sets of dies, the two-time stamping processing is realized, the working efficiency is low, and the die cost is high.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the one-step forming die for the fume collecting hood of the water heater, and the product is not easy to discard by adopting the forming die, and has high working efficiency and low cost.
In order to solve the problems, the following technical scheme is provided:
the utility model relates to a one-step forming die for a fume collecting hood of a water heater, which is characterized by comprising an upper die plate and a lower die plate, wherein a vertically arranged pressure head is fixed on the lower surface of the upper die plate, a movable block is arranged above the lower die plate below the pressure head, and a compression spring is arranged between the bottom of the movable block and the lower die plate. The upper surface of the movable block is provided with a central pit, a limit column is concentrically fixed in the central pit, and a space which is convenient for the hole flanging insertion of the fume collecting hood of the water heater is arranged between the limit column and the periphery of the central pit. Bending blocks are fixed on lower templates around the movable blocks so as to greatly bend the fume collecting hood blank of the water heater, and the upper ends of the movable blocks are positioned above the upper surfaces of all the bending blocks when the compression springs are in a state of not receiving external force. The two bending blocks are used for bending the two short sides of the water heater fume collecting hood greatly, the side faces of the two bending blocks are provided with notches for accommodating small bending parts of the water heater fume collecting hood, the lower templates corresponding to the notches are provided with small bending mechanisms, the upper templates above the small bending mechanisms are provided with bolts, the bolts are inserted into the small bending mechanisms, and the bending cutters of the small bending mechanisms are driven to enter the notches to bend the small bending parts.
The small bending mechanism comprises a stop block, a sliding block is arranged between the stop block and the corresponding notch, the sliding block is in sliding fit with the lower template in a direction approaching to and away from the notch, limiting blocks are arranged on two sides of the sliding direction of the sliding block, and the bending knife is fixed on the side wall of the sliding block close to the notch. The upper part of the side surface of the sliding block close to the stop block is provided with a first inclined surface, the distance from the first inclined surface to the bending knife gradually increases from top to bottom, the bottom of the bolt above the first inclined surface is provided with a second inclined surface, and the second inclined surface is matched with the first inclined surface; there is the groove that resets that the slope was arranged on the slider lateral wall, and the groove that resets is parallel with first inclined plane, and the upper end of groove that resets extends to the slider top for the upper end of groove that resets is uncovered form, and the lower part of bolt has the buckle that stretches out towards the groove that resets, and the bolt descends, and the upper end of buckle enters into the inslot that resets from the open portion of groove that resets.
The heights of the two bending blocks used for bending the two short sides of the fume collecting hood of the water heater are higher than those of the other two bending blocks.
The side surface of the bending block close to the movable block is in arc transition with the upper surface of the bending block.
Guide posts are arranged at four corners of the upper die plate, and guide sleeves are arranged on lower die bases corresponding to the guide posts.
By adopting the scheme, the method has the following advantages:
because the lower surface of the upper template of the one-step forming die of the fume collecting hood of the water heater is fixedly provided with the vertically arranged pressure head, the upper part of the lower template below the pressure head is provided with the movable block, the compression spring is arranged between the bottom of the movable block and the lower template, the upper surface of the movable block is provided with the central pit, the central pit is concentrically fixedly provided with the limiting column, the lower templates around the movable block are respectively fixedly provided with the bending blocks so as to greatly bend the fume collecting hood blank of the water heater, the upper ends of the movable blocks are positioned above the upper surfaces of all the bending blocks, the side surfaces of the two bending blocks are provided with the notch, the lower templates corresponding to the notch are provided with the small bending mechanisms, and the upper templates above the small bending mechanisms are provided with the bolts. When in use, the upper template is connected with the working head of the punch press, and the lower template is connected with the bed body of the punch press. When the water heater fume collecting hood blank works, firstly, the water heater fume collecting hood blank is placed on the movable block, the hole flanging is sleeved on the limiting column, and the long side and the short side of the water heater fume collecting hood blank which are greatly bent are ensured to correspond to the bending block; then, starting a punch working head to drive an upper template to descend, and enabling a pressure head to prop against the water heater fume collecting hood blank around the hole flanging, so that the water heater fume collecting hood blank is tightly pressed on the movable block; then, the pressure head continues to descend, the compression spring is compressed, the water heater fume collecting hood blank and the movable block descend, and the periphery of the water heater fume collecting hood blank is contacted with the bending block to be greatly bent; then, the punch working head drives the upper die plate to continue to move downwards, the bolt enters the small bending mechanism to drive the bending knife to enter the notch, and bending action is carried out on the small bending part; then, the punch working head drives the upper die plate to reset, the bolt drives the small bending mechanism to reset in the ascending process, and the movable block and the water heater fume collecting hood reset under the action of the compression spring; finally, the fume collecting hood of the water heater is taken out. The mold is adopted to form a large bending and then form a small bending, so that interference can not occur, and the yield of finished products is higher. Meanwhile, two working procedures can be completed by adopting one set of die, so that the working efficiency is greatly improved, and the die cost is reduced.
Drawings
FIG. 1 is a schematic view of a construction of a water heater fume collection hood blank of the prior art;
FIG. 2 is a schematic structural view of a water heater fume collection hood;
FIG. 3 is a schematic structural view of a one-step molding die for a smoke collecting hood of a water heater;
FIG. 4 is a schematic view of the structure of the one-step forming die for the fume collecting hood of the water heater after being put into a workpiece;
FIG. 5 is a schematic diagram of the structure of the one-step forming die of the fume collecting hood of the water heater after hiding a bending knife, a bending block and the whole upper die;
fig. 6 is a schematic cross-sectional view of the one-shot forming die of the water heater fume collecting hood of the present utility model after closing the die.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 3-6, the one-step forming die for the fume collecting hood of the water heater comprises an upper die plate 8 and a lower die plate 4, wherein a vertically arranged pressure head 22 is fixed on the lower surface of the upper die plate 8, a movable block 13 is arranged above the lower die plate 4 below the pressure head 22, and a compression spring 20 is arranged between the bottom of the movable block 13 and the lower die plate 4. The upper surface of the movable block 13 is provided with a central pit, a limiting column 12 is concentrically fixed in the central pit, and a space for facilitating hole flanging insertion of the fume collecting hood of the water heater is arranged between the limiting column 12 and the periphery of the central pit. Bending blocks 14 are fixed on the lower templates 4 around the movable blocks 13 so as to greatly bend the fume collecting hood blank of the water heater, and the upper ends of the movable blocks 13 are positioned above the upper surfaces of all the bending blocks 14 when the compression springs 20 are in a state of not receiving external force. The two bending blocks 14 for bending the two short sides of the smoke collecting hood of the water heater are provided with notches 19 for accommodating small bending parts of the smoke collecting hood of the water heater, the lower templates 4 corresponding to the notches 19 are provided with small bending mechanisms, the upper templates 8 above the small bending mechanisms are provided with bolts 9, the bolts 9 are inserted into the small bending mechanisms, and bending cutters 18 of the small bending mechanisms are driven to enter the notches 19 to bend the small bending parts.
The small bending mechanism comprises a stop block 17, a sliding block 15 is arranged between the stop block 17 and a corresponding notch 19, the sliding block 15 is in sliding fit with the lower template 4 in a direction approaching to and separating from the notch 19, limiting blocks 16 are arranged on two sides of the sliding direction of the sliding block 15, and a bending cutter 18 is fixed on the side wall of the sliding block 15 approaching to the notch 19. The upper part of the side surface of the sliding block 15 close to the stop block 17 is provided with a first inclined surface 21, the distance from the first inclined surface 21 to the bending knife 18 gradually increases from top to bottom, the bottom of the bolt 9 above the first inclined surface 21 is provided with a second inclined surface 10, and the second inclined surface 10 is matched with the first inclined surface 21; there is the inclined arrangement's the groove that resets 5 on slider 15 lateral wall, and the groove that resets 5 is parallel with first inclined plane 21, and the upper end of groove that resets 5 extends to slider 15 top for the upper end of groove that resets 5 is uncovered form, and the lower part of bolt 9 has the buckle 11 that stretches out towards groove 5 that resets, and bolt 9 descends, and the upper end of buckle 11 enters into the inslot that resets 5 from the open portion of groove that resets 5.
The two bending blocks 14 for bending the two short sides of the fume collecting hood of the water heater are higher than the other two bending blocks 14. The side surface of the bending block 14 close to the movable block 13 and the upper surface of the bending block 14 form arc transition. Guide posts 7 are arranged at four corners of the upper die plate, and guide sleeves 6 are arranged on lower die holders corresponding to the guide posts 7.
In this embodiment, the compression spring 20 is a nitrogen spring.
When the water heater fume collecting hood blank works, firstly, the water heater fume collecting hood blank is placed on the movable block 13, so that the hole flanging is sleeved on the limiting column 12, and the long side and the short side of the water heater fume collecting hood blank which are greatly bent are ensured to correspond to the bending block 14; then, starting a punch working head to drive the upper template 8 to move downwards, and enabling the pressure head 22 to prop against the water heater fume collecting hood blank around the hole flanging, so that the water heater fume collecting hood blank is tightly pressed on the movable block 13; then, the pressure head 22 continues to descend, the compression spring 20 is compressed, the water heater fume collecting hood blank and the movable block 13 descend, the short side of the large bending of the water heater fume collecting hood blank is contacted with the bending block 14, the short side is bent, the upper die plate 8 continues to descend, and the long side of the large bending of the water heater fume collecting hood blank is contacted with the bending block 14 to bend the long side; then, the punch working head drives the upper die plate 8 to continue to move downwards, the second inclined surface 10 of the bolt 9 is propped against the first inclined surface 21, the buckle 11 enters the reset groove 5, and the slide block 15 drives the bending knife 18 to bend the small bending part; then, the punch working head drives the upper die plate 8 to reset, the buckle 11 drives the sliding block 15 to reset through the reset groove 5, and the movable block 13 and the water heater fume collecting hood reset under the action of the compression spring 20; finally, the fume collecting hood of the water heater is taken out.
Claims (5)
1. The one-step forming die for the fume collecting hood of the water heater is characterized by comprising an upper die plate (8) and a lower die plate (4), wherein a pressing head (22) which is vertically arranged is fixed on the lower surface of the upper die plate (8), a movable block (13) is arranged above the lower die plate (4) below the pressing head (22), and a compression spring (20) is arranged between the bottom of the movable block (13) and the lower die plate (4); the upper surface of the movable block (13) is provided with a central pit, a limiting column (12) is concentrically fixed in the central pit, and a space which is convenient for the hole flanging insertion of the fume collecting hood of the water heater is arranged between the limiting column (12) and the periphery of the central pit; bending blocks (14) are fixed on the lower templates (4) around the movable blocks (13) so as to greatly bend the fume collecting hood blank of the water heater, and the upper ends of the movable blocks (13) are positioned above the upper surfaces of all the bending blocks (14) when the compression springs (20) are in a state of not receiving external force; the two bending blocks (14) for bending the two short sides of the water heater fume collecting hood are provided with notches (19) for accommodating small bending parts of the water heater fume collecting hood, the lower templates (4) corresponding to the notches (19) are provided with small bending mechanisms, the upper templates (8) above the small bending mechanisms are provided with bolts (9), the bolts (9) are inserted into the small bending mechanisms, and bending cutters (18) for driving the small bending mechanisms enter the notches (19) to bend the small bending parts.
2. The one-step forming die for the fume collecting hood of the water heater according to claim 1, wherein the small bending mechanism comprises a stop block (17), a sliding block (15) is arranged between the stop block (17) and a corresponding notch (19), the sliding block (15) is in sliding fit with the lower die plate (4) in a direction approaching to and separating from the notch (19), limiting blocks (16) are arranged on two sides of the sliding direction of the sliding block (15), and the bending knife (18) is fixed on the side wall of the sliding block (15) approaching to the notch (19); the upper part of the side surface of the sliding block (15) close to the stop block (17) is provided with a first inclined surface (21), the distance from the first inclined surface (21) to the bending knife (18) gradually increases from top to bottom, the bottom of the bolt (9) above the first inclined surface (21) is provided with a second inclined surface (10), and the second inclined surface (10) is matched with the first inclined surface (21); there is inclined arrangement's reset groove (5) on slider (15) lateral wall, reset groove (5) are parallel with first inclined plane (21), the upper end of reset groove (5) extends to slider (15) top for the upper end of reset groove (5) is uncovered form, and the lower part of bolt (9) has buckle (11) that stretch out towards reset groove (5), and bolt (9) descend, and the upper end of buckle (11) enters into reset groove (5) from reset groove (5) uncovered portion.
3. A one-time molding die for a smoke collecting hood of a water heater according to claim 1, wherein the two bending blocks (14) for bending the two short sides of the smoke collecting hood of the water heater are higher than the other two bending blocks (14).
4. A one-step forming die for a smoke collecting hood of a water heater as claimed in claim 1, wherein the side surface of the bending block (14) close to the movable block (13) is in arc transition with the upper surface of the bending block (14).
5. The one-step molding die for the fume collecting hood of the water heater according to any one of claims 1 to 4, wherein guide posts (7) are arranged at four corners of the upper die plate (8), and guide sleeves (6) are arranged on lower die bases corresponding to the guide posts (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223183855.1U CN219073999U (en) | 2022-11-30 | 2022-11-30 | One-step forming die for fume collecting hood of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223183855.1U CN219073999U (en) | 2022-11-30 | 2022-11-30 | One-step forming die for fume collecting hood of water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219073999U true CN219073999U (en) | 2023-05-26 |
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ID=86400360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223183855.1U Active CN219073999U (en) | 2022-11-30 | 2022-11-30 | One-step forming die for fume collecting hood of water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219073999U (en) |
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2022
- 2022-11-30 CN CN202223183855.1U patent/CN219073999U/en active Active
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