CN219503494U - One-step rolling and forming pipe coiling die - Google Patents
One-step rolling and forming pipe coiling die Download PDFInfo
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- CN219503494U CN219503494U CN202223606732.4U CN202223606732U CN219503494U CN 219503494 U CN219503494 U CN 219503494U CN 202223606732 U CN202223606732 U CN 202223606732U CN 219503494 U CN219503494 U CN 219503494U
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Abstract
The utility model belongs to the technical field of rolling dies, and discloses a rolling tube die formed by rolling in one step. Comprising the following steps: the lower end of the upper die device is provided with a circular arc-shaped first molding surface; the upper end of the lower die device is provided with a second molding surface and a guide surface, and two sides of the second molding surface extend outwards to form the guide surface; a core winding device; the upper die device and the core winding device are used for processing the material winding plate into an arc area attached to the first molding surface and edge areas connected to two sides of the arc area, and the guide surface is used for converging the edge areas into the second molding surface. After the upper semicircle of the product is formed, the guide surface on the lower die device guides the coiled material plate to be attached to the second forming surface, the lower semicircle of the product is formed, coiled materials are not required to be formed in multiple sets of dies step by step, one-step coiling forming of sleeve parts is realized, the processing and forming process is simplified, and in addition, the device is also provided with the functions of automatic blanking and pushing the product to be separated, so that automatic continuous production of the sleeve parts is realized.
Description
Technical Field
The utility model relates to the technical field of pipe coiling dies, in particular to a pipe coiling die formed by one-step rolling.
Background
The sleeve product is usually used as an outer sleeve of a shaft part or as other mechanical processing ribs, and the sleeve has high size requirement and large demand. The sleeve part is usually bent into a wavy shape from a flat blank section, then the wavy section is bent into a circular tube, the sleeve part is required to be molded in multiple steps, the production efficiency is low, and the roundness of the bent circular tube is poor.
Disclosure of Invention
The utility model aims to provide a pipe coiling mold for one-step rolling forming, which solves the problems that the machining process of sleeve parts is complicated and multiple sets of molds are needed to be formed step by step.
To achieve the purpose, the utility model adopts the following technical scheme: a roll pipe die for one-step roll forming, comprising:
the lower end of the upper die device is provided with a circular arc-shaped first molding surface;
the upper end of the lower die device is provided with a second molding surface and a guide surface, the second molding surface is in an arc shape, and the two sides of the second molding surface continue to extend outwards to form the guide surface; and
a core winding device;
the upper die device and the core winding device are used for processing the material winding plate into an arc area attached to the first molding surface and edge areas connected to two sides of the arc area, and the guide surface is used for converging the edge areas into the second molding surface.
Further, the upper die device comprises an upper coiled pipe block, and the upper coiled pipe block is provided with a first molding surface;
the lower die device comprises a lower coiled pipe block, and the lower coiled pipe block is provided with a second molding surface and a guiding surface.
Further, the lower end of the upper die device is also provided with an upper knife edge, the upper knife edge is arranged at one side of the upper coiled pipe block, and the upper knife edge and the first molding surface are sequentially arranged along the feeding direction of coiled materials;
the lower die device is also provided with a lower knife edge, the lower knife edge is arranged on one side of a knife edge plate, and the knife edge plate and the lower coiled pipe block are sequentially arranged along the feeding direction of coiled materials;
the upper knife edge and the lower knife edge are contacted with the coiled material, and the coiled material is sheared and formed into a coiled material plate.
Further, the lower die device further comprises a photoelectric sensor, wherein the roll feeding front end contacts the photoelectric sensor to stop feeding, and the processing length of the roll plate is limited between the photoelectric sensor and the lower knife edge.
Further, the winding core device comprises a winding core body and a floating block, the floating block is sleeved on the winding core body, the floating block has elastic potential energy of upward movement, and the winding core body can synchronously move along with the floating block;
the upper die device further comprises a pressing block for pressing down the floating block.
Further, a nitrogen spring is arranged below the floating block, and the floating block can elastically move in the vertical direction under the action of the nitrogen spring.
Further, the winding core device is connected with a pushing mechanism, and the pushing mechanism is used for pushing out products along the axial direction.
Further, the pushing mechanism comprises a push rod, a push rod fixing block, a sleeve and an oil cylinder fixing block;
one end of the push rod is connected with a push rod fixing block, the push rod fixing block is connected with the oil cylinder, the push rod fixing block slides in the sleeve under the action of the oil cylinder, the winding core body is provided with a groove, the push rod is placed in the groove, and the push rod fixing block pushes the push rod to move back and forth in the groove;
one end of the sleeve is connected with the floating block, and the pushing mechanism can elastically move along with the winding core device in the vertical direction.
Further, the push rod comprises at least two push rods, and the push rod is annularly arranged with the winding core body.
The utility model has the beneficial effects that: the device is provided with the guide surface at the lower die device, the upper die device and the core winding device process the material rolling plate to be attached to the arc area of the first forming surface and the edge areas connected to the two sides of the arc area, the guide surface converges the edge areas into the second forming surface, when the upper die device continuously moves downwards, the material rolling plate is gradually rolled into a sleeve, and the material rolling is not required to be formed in multiple sets of dies step by step. The upper die device is provided with an upper knife edge, the lower die device is provided with a lower knife edge, and the upper die device can cut a coil into a coil plate with proper length in the downward moving process of the upper die device through the cooperation of the photoelectric sensor. The device is provided with the pushing mechanism, after the product is formed, the pushing mechanism pushes the product sleeved on the winding core body, so that the product is separated from the winding pipe device, and then the device is reset to carry out next production. The device can realize one-step rolling forming of the sleeve part, simplifies the processing and forming process, is also provided with the functions of automatic blanking and pushing out of products, and realizes automatic continuous production of the sleeve part.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is an external view of an embodiment of the present utility model;
FIG. 2 is an external view of the present utility model;
FIG. 3 is a schematic view of coil stock cutting according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a semi-circular arc rolling formation on the product of the present utility model;
FIG. 5 is a schematic view of the lower semicircular arc rolling forming of the product according to the embodiment of the utility model;
FIG. 6 is a schematic drawing of a demolding of a product according to an embodiment of the utility model.
In the figure: 1. an upper die device; 2. a lower die device; 3. a core winding device; 4. a pushing mechanism;
10. winding up a pipe block; 11. Briquetting; 12. Guide sleeve;
100. a first molding surface; 101. an upper knife edge;
20. a lower coil pipe block; 21. a knife edge plate; 22. a photoelectric sensor; 23. a cushion block; 24. a guide pressing block; 25. a lower fixing block; 26. A guide post;
200. a second molding surface; 201. A guide surface;
211. a lower knife edge;
30. a winding core body; 31. a slider; 32. a nitrogen spring;
40. a push rod; 41. a push rod fixing block; 42. a sleeve; 43. an oil cylinder fixing block;
50. a coiling plate; 51. coiling materials; 52. a product;
501. a circular arc region; 502. edge regions.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The embodiment provides a pipe coiling mold for one-step rolling forming, which is used for processing and forming sleeve parts as shown in fig. 1 and 2. As shown in fig. 4 and 5, a pipe coiling mold formed by one-step coiling comprises an upper mold device 1, wherein a circular arc-shaped first forming surface 100 is arranged at the lower end of the upper mold device 1.
The lower die device 2, the upper end of the lower die device 2 is provided with a second molding surface 200 and a guide surface 201, the second molding surface 200 is in an arc shape, and two sides of the second molding surface 200 continuously extend outwards to form the guide surface 201.
The core winding device 3, the core winding device 3 is positioned between the upper die device 1 and the lower die device 2.
Wherein, as shown in fig. 4, the arrow B indicates the upper die moving direction, the upper die device 1 moves downward, and the upper die device 1 contacts the roll plate 50 and presses the roll plate 50 against the core device 3. The upper die device 1 and the core device 3 interact to process the coil stock plate 50 into a circular arc region 501 attached to the first molding surface 100 and edge regions 502 connected to both sides of the circular arc region 501, and at this time, the upper semicircular arc molding of the product 52 is completed.
As shown in fig. 5, the upper die device 1 continues to move downward, and the upper die device 1 pushes the roll plate 50 and the core device 3 to move downward together. The two ends of the material rolling plate 50 contact the guide surface 201 of the lower die device 2, the edge area 502 is converged into the second molding surface 200 under the action of the guide surface 201, and the core rolling device 3 and the lower die device 2 work together, so that the material rolling plate 50 processes an arc area attached to the second molding surface 200, and the lower semi-arc molding of the product 52 is completed at this time, and the rolling molding of the product 52 is completed.
The upper die device 1 comprises an upper coiled pipe block 10, a first molding surface 100 is arranged at the lower end of the upper coiled pipe block 10, and the first molding surface 100 is an arc surface with an included angle of 180 degrees.
The lower die device 2 comprises a lower coiled pipe block 20, the lower coiled pipe block 20 is provided with a second molding surface 200 and a guide surface 201, the second molding surface 200 is an arc surface with an included angle of 180 degrees, the guide surface 201 is formed by continuously extending outwards at two sides of the second molding surface 200, and the guide surface 201 is an inclined surface with a certain included angle with the horizontal direction.
The lower end of the upper die device 1 is also provided with an upper knife edge 101, the upper knife edge 101 is arranged on the upper pipe winding block 10, and the upper knife edge 101 is positioned at one side of the upper pipe winding block 10 close to the feeder. The upper knife edge 101 and the first molding surface 100 are arranged in this order along the feeding direction of the coil stock 51.
The lower die device 2 is also provided with a lower knife edge 211, the lower knife edge 211 is arranged on the knife edge plate 21, and the lower knife edge 211 is positioned on one side of the knife edge plate 21, which is close to the lower coil block 202. The knife edge plate 21 and the lower coil block 20 are arranged in sequence along the feeding direction of the coil 51.
When the upper die moves downwards, the upper knife edge 101 and the lower knife edge 211 are contacted with the coil stock 51, and the upper knife edge 101 and the lower knife edge 211 shear-cut the coil stock 51 to form a coil stock plate 50.
The knife edge plate 21 is provided with a guide pressing block 24, the guide pressing block 24 is arranged near the lower knife edge 211, the guide pressing block 24 is two inverted L-shaped pressing blocks, the coil 51 is fed into the device through the two guide pressing blocks 24, and the guide pressing block 24 has the function of preventing the coil 51 from being upwards turned under force when being cut off.
The lower die device 2 further comprises a photoelectric sensor 22, wherein the photoelectric sensor 22 is arranged on a cushion block 23, and the cushion block 23 is arranged on one side of the lower coiled pipe block 30 away from the feeder. As shown in fig. 3, the arrow a indicates the feeding direction, the arrow B indicates the moving direction of the upper die, the automatic feeder feeds forward, and when the front end of the coil 51 contacts the photoelectric sensor 22, the automatic feeder stops feeding. The photoelectric sensor 22 and the knife edge plate 21 are arranged on two sides of the axis of the second molding surface 200, and the photoelectric sensor 22 and the knife edge plate 21 jointly define the processing length of the coil stock plate 50.
The winding core device 3 comprises a winding core body 30 and a floating block 31, the floating block 31 is sleeved on the winding core body 30, the floating block 31 has elastic potential energy moving upwards, the winding core body 30 and the floating block 31 are fixed through a penetrating pin 33, and the winding core body 30 can synchronously move along with the floating block 31.
The upper die apparatus 1 further includes a press block 11 for pressing down the slider 31, the press block 11 being located above the slider 31. When the semi-circular arc forming on the product is completed, the pressing block 11 contacts with the floating block 31, the upper die device continues to move downwards, the pressing block 11 pushes the floating block 31 to move downwards, and the floating block 31 drives the winding core device 3 to move downwards.
A nitrogen spring 32 is arranged below the floating block 31, the floating block 31 can elastically move in the vertical direction under the action of the nitrogen spring 32, and the nitrogen spring 32 is a nitrogen spring with the model number of GSV 350-50.
The winding core device 3 is connected with a pushing mechanism 4, and the pushing mechanism 4 is used for pushing out a product 52 along the axial direction.
The pushing mechanism 4 comprises a push rod 40, a push rod fixing block 41, a sleeve 42 and an oil cylinder fixing block 43.
One end of the push rod 40 is connected with a push rod fixing block 41, the push rod fixing block 41 is connected with an oil cylinder, and the push rod fixing block 41 can slide back and forth in the sleeve 42 under the action of the oil cylinder. The winding core body 30 is provided with a groove, and the push rod 40 is placed in the groove. The push rod 40 can move back and forth in the groove under the pushing of the push rod fixing block 41.
One end of the sleeve 42 is connected with the floating block 31, and the pushing mechanism 4 can elastically move along with the winding core device 3 in the vertical direction. The lower die device is provided with a lower fixed block 24, and the lower fixed block 24 is arranged at two sides of the winding core device 3 and the pushing mechanism 4. The lower fixed block 24 is used to define the direction of movement of the core means 3 and the pushing mechanism 4.
The push rod 40 comprises at least two push rods, and is annularly arranged on the winding core body 30.
The upper die device 1 comprises a guide sleeve 12, the guide sleeve 12 is four circular lantern rings arranged near four corners of the upper die device, the lower die device 2 comprises guide posts 26, the guide posts 26 are four cylinders arranged below the guide sleeve 12, and when the upper die device 1 moves downwards, the guide sleeve 12 moves downwards along with the guide posts 26.
As shown in fig. 6, the direction indicated by arrow C is the pushing direction of the pushing device, after the product 52 is formed, the upper die device 1 moves upward, the upper die device 1, the winding core device 3 and the pushing mechanism 4 are reset, the electrically controlled oil cylinder pushes the push rod 40 forward, the push rod 40 pushes forward to enable the product 52 to drop from one end of the winding core body 30, and then the oil cylinder pulls the push rod 40 backward to reset, so that one cycle of processing and production is completed.
The working principle of the device in this embodiment is as follows: the upper die device 1 starts to move downwards, the automatic feeder feeds the coil 51, when the front end of the coil 51 contacts the photoelectric sensor 22, the automatic feeder stops feeding, at this time, the upper knife edge 101 of the upper die coil block 1 contacts the coil 51, the upper die device 1 continues to move downwards, the upper knife edge 101 and the lower knife edge 211 act together to shear and cut the coil 51, and the coil 51 is cut into coil plates 50.
The upper die device 1 continues to move downwards, the first molding surface 100 of the upper coiled pipe block 10 contacts the coiled material plate 50 and pushes the coiled material plate downwards to the coiled core device 3, the interaction of the upper die device 1 and the coiled core device 3 processes the coiled material plate 50 into an arc area 501 attached to the first molding surface 100 and edge areas 502 connected to two sides of the arc area 501, and the upper semicircular arc molding of the product 52 is completed.
The upper die device 1 continues to move downwards to push the material rolling plate 50 and the core rolling device 3 to move downwards together, two ends of the material rolling plate 50 are contacted with the guide surface 201 on the lower die rolling block 20, the material rolling plate 50 is acted by the guide surface 201, the edge area 502 is converged into the second forming surface 200, the core rolling device 3 and the lower die rolling block 20 work together to enable the material rolling plate 50 to process an arc area which is attached to the second forming surface 200, the lower semicircular arc forming of the product 52 is completed, and the product 52 is formed in a rolling way.
After the product 52 is molded, the upper die device 1 moves upwards, the upper die device 1 and the winding core device 3 are reset, the push rod 40 is pushed forwards by the electrically controlled oil cylinder, the push rod 40 is pushed forwards to enable the product 52 sleeved at one end of the winding core body 30 to fall off, and then the push rod 40 is pulled backwards by the oil cylinder to reset, so that one cycle of processing and production is completed.
The lower die device 2 of the device is provided with a guide surface 201, and after the upper die device 1 and the core device 3 process the coil plate 50 into a circular arc region attached to the first molding surface 100 and edge regions 501 connected to both sides of the circular arc region 501, the guide surface 201 can converge the edge regions 502 into the second molding surface 200. Thus, as the upper die apparatus 1 continues to move downward, the coil stock plate 51 is gradually rolled into a sleeve, and the coil stock 51 does not need to be molded stepwise in a plurality of sets of dies. The upper die device 4 is provided with an upper knife edge 101, the lower die device is provided with a lower knife edge 211, and the upper die device 1 can cut the coiled material 51 into a coiled material plate 50 with a proper length in the downward moving process of the upper die device 1 through the cooperation of the photoelectric sensor 22. The device is provided with the pushing mechanism 4, after the product 52 is formed and the die is reset, the pushing mechanism 4 pushes the product 52 sleeved on the winding core body 30, so that the product 52 is separated from the winding pipe device 3, and then the pushing mechanism 4 is reset.
The device can continuously produce sleeve parts by circulating the above processes.
In conclusion, the device can realize one-step rolling forming of the sleeve part, simplifies the processing and forming process, is also provided with the functions of automatically cutting materials and pushing products to be separated, and realizes automatic continuous production of the sleeve part.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (9)
1. A roll pipe die for one-step roll forming, comprising:
the lower end of the upper die device (1) is provided with a circular arc-shaped first molding surface (100);
the upper end of the lower die device (2) is provided with a second molding surface (200) and a guide surface (201), the second molding surface (200) is in an arc shape, and two sides of the second molding surface continuously extend outwards to form the guide surface (201); and
a winding core device (3);
the upper die device (1) and the core winding device (3) are used for machining a roll plate (50) to be attached to an arc area (501) of the first molding surface (100) and edge areas (502) connected to two sides of the arc area (501), and the guide surface (201) is used for converging the edge areas (502) into the second molding surface (200).
2. A one-step rounding tube rolling die as claimed in claim 1, wherein: the upper die device (1) comprises an upper coiled pipe block (10), and the upper coiled pipe block (10) is provided with the first molding surface (100);
the lower die device (2) comprises a lower coiled pipe block (20), and the lower coiled pipe block (20) is provided with the second molding surface (200) and the guide surface (201).
3. A one-step rounding tube rolling die as claimed in claim 2, wherein: an upper knife edge (101) is further arranged at the lower end of the upper die device (1), the upper knife edge (101) is arranged on one side of the upper coiled pipe block (10), and the upper knife edge (101) and the first molding surface (100) are sequentially arranged along the feeding direction of the coiled material (51);
the lower die device (2) is also provided with a lower knife edge (211), the lower knife edge (211) is arranged on one side of a knife edge plate (21), and the knife edge plate (21) and the lower coil pipe block (20) are sequentially arranged along the feeding direction of the coil material (51);
the upper knife edge (101) and the lower knife edge (211) are contacted with the coil stock (51), and the coil stock (51) is cut off and molded into a coil stock plate (50).
4. A one-step rounding tube rolling die as claimed in claim 3, wherein: the lower die device (2) further comprises a photoelectric sensor (22), the feeding front end of the coil stock (51) contacts the photoelectric sensor (22) to stop feeding, and the processing length of the coil stock plate (50) is limited between the photoelectric sensor (22) and the lower knife edge (211).
5. A one-step rounding tube rolling die as claimed in claim 1, wherein: the winding core device (3) comprises a winding core body (30) and a floating block (31), wherein the floating block (31) is sleeved on the winding core body (30), the floating block (31) has elastic potential energy capable of moving upwards, and the winding core body (30) can synchronously move along with the floating block (31);
the upper die device (1) further comprises a pressing block (11) for pressing down the floating blocks.
6. A one-step rounding tube rolling die as defined in claim 5, wherein: a nitrogen spring (32) is arranged below the floating block (31), and the floating block (31) can elastically move in the vertical direction under the action of the nitrogen spring (32).
7. A one-step rounding tube rolling die as defined in claim 5, wherein: the winding core device (3) is connected with a pushing mechanism (4), and the pushing mechanism (4) is used for pushing out a product (52) along the axial direction.
8. A one-step rounding tube rolling die as defined in claim 7, wherein: the pushing mechanism (4) comprises a push rod (40), a push rod fixing block (41), a sleeve (42) and an oil cylinder fixing block (43);
one end of the push rod (40) is connected with the push rod fixing block (41), the push rod fixing block (41) is connected with the oil cylinder, the push rod fixing block (41) slides in the sleeve (42) under the action of the oil cylinder, a groove is formed in the winding core body (30), the push rod (40) is placed in the groove, and the push rod fixing block (41) pushes the push rod (40) to move back and forth in the groove;
one end of the sleeve (42) is connected with the floating block (31), and the pushing mechanism (4) can elastically move along with the winding core device (3) in the vertical direction.
9. A one-step rounding tube rolling die as defined in claim 8, wherein: the push rod (40) comprises at least two push rods, and the push rod is annularly arranged with the winding core body (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223606732.4U CN219503494U (en) | 2022-12-31 | 2022-12-31 | One-step rolling and forming pipe coiling die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223606732.4U CN219503494U (en) | 2022-12-31 | 2022-12-31 | One-step rolling and forming pipe coiling die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219503494U true CN219503494U (en) | 2023-08-11 |
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ID=87530325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223606732.4U Active CN219503494U (en) | 2022-12-31 | 2022-12-31 | One-step rolling and forming pipe coiling die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219503494U (en) |
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2022
- 2022-12-31 CN CN202223606732.4U patent/CN219503494U/en active Active
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