CN220560355U - Novel front stop device of die - Google Patents
Novel front stop device of die Download PDFInfo
- Publication number
- CN220560355U CN220560355U CN202322004567.3U CN202322004567U CN220560355U CN 220560355 U CN220560355 U CN 220560355U CN 202322004567 U CN202322004567 U CN 202322004567U CN 220560355 U CN220560355 U CN 220560355U
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- Prior art keywords
- push rod
- seat
- material blocking
- stop
- hole
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- 239000000463 material Substances 0.000 claims abstract description 78
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 abstract description 61
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a novel pre-mold material blocking device which comprises a limiting block, a material blocking seat and a push rod fixing seat, wherein a material blocking push rod is arranged at the upper end of the material blocking seat, a rotary shaft is arranged in the middle of the material blocking seat, a material blocking plate fixedly matched through bolts is arranged at the lower end of the material blocking seat, a push rod top is arranged on one side of the material blocking push rod close to the limiting block, a pressure spring is arranged between the push rod top and the push rod fixing seat, the material blocking push rod penetrates through the push rod fixing seat, when a clamping device moves leftwards to clamp a blank, the push rod top collides with the limiting block, the material blocking seat rotates to drive the material blocking plate to move leftwards before the blank is clamped to the die opening, and when the clamping device moves rightwards to convey the blank after the completion, the pressure spring drives the material blocking push rod to move leftwards and the material blocking plate to rotate away from the die opening.
Description
Technical Field
The utility model relates to the field of cold heading machines, in particular to a novel pre-mold stop device.
Background
Cold heading machines are common metal working devices, which operate on the principle that a metal material is deformed under a certain force by compressing and stretching it, so as to form a desired shape and size. In the blank conveying stage, the shorter blank is often easily pushed out of the die cavity by the rear ejection rod due to inertia, and in order to solve the problem, a stop mechanism is additionally arranged.
The utility model of China with the prior application number of CN201410313516.1 discloses a front mold stop device, which comprises: a plurality of bottom dies fastened to the frame; a plurality of stamping dies movably arranged on the frame and opposite to the bottom die; a plurality of movable columns vertically disposed between the bottom die and the die; the guide seat is fastened on the frame and positioned below the bottom die, and the movable column is arranged on the guide seat; a base fastened to the bottom of the movable column; the cam shaft is fastened with a cam, is arranged on the frame, and is positioned below the base and abuts against the base; a rocker fastened to an end of the camshaft; the driving unit drives the rocker to swing so as to enable the cam shaft to rotate, and therefore the movable column does linear reciprocating motion in the up-down direction; wherein, a stop block is fastened at the top of the movable column. The front-die stop device has the advantages of simple structure and convenience in operation.
The prior art solutions described above have the following drawbacks: the front-die stop mechanism adopts a plurality of connecting rods, is multiple in connecting mechanism, is complicated to install and is unstable in structure. The motion rule of the connecting rod mechanism is complex in design, and structural adjustment is difficult to conveniently and fast meet different material blocking requirements.
Disclosure of Invention
In order to solve the problems, the utility model provides a novel pre-mold stop device which is simple in overall structure and convenient to install, and can be adjusted to a certain extent according to different stop requirements.
In order to achieve the above purpose, the novel front mold stop device comprises a limiting block, a push rod fixing seat and a clamp seat, wherein the clamp seat is provided with a stop seat, the middle part of the stop seat is provided with a rotary shaft, the clamp seat is connected with the stop seat through the rotary shaft, the upper end of the stop seat is provided with a stop push rod connected with a hinge, the lower end of the stop seat is provided with a stop plate fixedly matched through a bolt, one side of the stop push rod, which is close to the limiting block, is provided with a push rod top, one side, which is close to the push rod top, of the stop push rod is provided with a pressure spring, the push rod fixing seat is provided with a through hole, and the stop push rod penetrates through the through hole.
Preferably, the baffle plate is provided with a bending structure gradually approaching to the baffle opening, and the baffle plate with different bending degrees can be replaced, so that the distance between the baffle plate and the baffle opening is controlled, and the baffle effect of matching different long and short blanks is achieved.
Preferably, the lower end of the material blocking seat is provided with a groove matched with the material blocking plate, the top of the material blocking seat is provided with a locking hole, after the material blocking plate is clamped into the groove with the matched shape and size, the material blocking plate can be positioned and installed by adopting a bolt to be fixedly connected, the material blocking seat is convenient to assemble, the material blocking plate can not be positioned at a specified position all the time under the condition of position deviation in the working process, and a set screw is placed in the locking hole, so that the bolt for connecting the material blocking push rod and the material blocking seat does not shake greatly, thereby improving the stability of the material blocking seat.
Preferably, the diameter of the through hole is slightly larger than that of the material blocking push rod, and a limiting step is arranged in the through hole. The material blocking push rod and the material blocking seat swing mutually, and the diameter of the through hole is slightly larger, so that the material blocking push rod can float up and down to a certain extent, the space required by rotation is provided for the material blocking seat, and the limiting step provides a stress point for the compression spring during shrinkage and plays a limiting role on the compression spring shrinkage.
Preferably, a nut is arranged between the pressure spring and the push rod top, the movement path range of the pressure spring is adjusted by adjusting the position of the nut or selecting the model, the return of the material blocking push rod is further adjusted, and meanwhile, the nut plays a certain limiting role in installation of the push rod top.
Preferably, the material blocking push rod consists of a threaded section, a pressure spring mounting section and a fixed section, the radius of the material blocking push rod is increased section by section, and the pressure spring mounting section penetrates through the push rod fixing seat. The thread section is used for installing push rod top and nut, and the screw thread makes push rod top and nut be convenient for adjust, and pressure spring installation section radius grow is convenient for limit the extreme position of the regulation of nut, and fixed section radius grow makes keep off the material push rod and withstands the push rod fixing base when return under the pressure spring effect, plays the time limit effect of return.
Preferably, the fixed section is matched with the material blocking seat and the symmetrical side is a plane structure to punch out a plane from the side arc of the fixed section, so that the contact area with the material blocking seat is enlarged, and the installation of the material blocking push rod is facilitated. The symmetrical side punching and cutting plane is convenient for installing the bolt, and the contact area of the bolt and the material blocking push rod is enlarged, so that the bolt is fixed more stably, the material blocking push rod stably operates, and the position deviation does not occur.
The novel pre-mold stop device is simple in overall structure, convenient to install, capable of adjusting the movement process of the mechanism only by adjusting nuts, capable of controlling the distance between the stop plate and the stop opening by changing the bending structure, and suitable for blanks with different stop requirements, and simple in overall process operation.
Drawings
FIG. 1 is a schematic view of a novel pre-mold dam assembly of the present utility model;
FIG. 2 is a side view of a novel pre-mold dam assembly of the present utility model;
FIG. 3 is an enlarged view of the utility model at A;
FIG. 4 is a schematic view of a material blocking seat according to the present utility model;
FIG. 5 is a schematic view of the structure of the dam plate of the present utility model;
FIG. 6 is a schematic view of a material blocking push rod according to the present utility model;
FIG. 7 is a schematic view of a push rod fixing base according to the present utility model.
Wherein: stopper 1, fender material seat 2, recess 21, rotation axis 22, locking hole 23, striker plate 3, buckling structure 31, fender material push rod 4, plane 41, pressure spring section 42, pressure spring installation section 43, fixed section 44, push rod fixing base 5, through-hole 51, spacing step 52, pressure spring 6, push rod top 7, nut 8, clip seat 9.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Example 1
As shown in fig. 1 and fig. 2, a novel front stop device for a die described in this embodiment includes a limiting block 1, a push rod fixing seat 5 and a clip seat 9, and is characterized in that, a stop seat 2 is disposed on the clip 9, a rotating shaft 22 is disposed in the middle of the stop seat 2, the clip seat 9 and the stop seat 2 are connected through the rotating shaft 22, a stop push rod 4 connected in a hinged manner is disposed at the upper end of the stop seat 2, a stop plate 3 fixed by a bolt is disposed at the lower end of the stop seat 2, a push rod top 7 is disposed on one side of the stop push rod 4 close to the limiting block 1, a pressure spring 6 is disposed on one side of the stop push rod 4 close to the push rod top 7, a through hole 51 is disposed on the push rod fixing seat 5, when the stop push rod 4 penetrates through the through hole 51, the clip seat 9 moves left to clamp, the stop plate 3 moves left together with the stop push rod 4 through the bolt fixing connection, then the stop push rod 7 collides with the limiting block 1, the stop push rod 4 rotates left to drive the stop seat 2 to rotate, and the stop push rod 4 moves left and returns to the stop plate 4 to the die 4, and the stop push rod 4 returns to the stop plate 4 to rotate to the left and the stop plate 4 to rotate when the stop rod 4 to move left and the stop plate 4 to rotate to the die 4.
Example 2
According to the utility model, on the basis of the embodiment 1, according to the illustration in fig. 5, the material baffle 3 is provided with the bending structure 31 gradually approaching to the material baffle end, and the distance between the material baffle 3 and the material baffle opening can be controlled by changing the material baffle 3 with different bending degrees, so as to achieve the material baffle effect of matching blanks with different lengths; as shown in fig. 4, the lower end of the material blocking seat 2 is provided with a groove 21 adapted to the material blocking plate 3, the top of the material blocking seat 2 is provided with a locking hole 23, after the material blocking plate 3 is clamped into the groove 21 with the shape and size adapted, the positioning and mounting of the material blocking plate 3 can be completed by adopting bolt fixed connection, the material blocking seat 3 can be always positioned at a specified position under the condition that the position of the material blocking plate 3 is not deviated in the working process while the assembly is convenient, and the bolt for connecting the material blocking push rod 4 and the material blocking seat 2 is not greatly rocked by placing a set screw in the locking hole 23, so that the stability of the material blocking seat 2 is improved; meanwhile, as shown in fig. 2, a nut 8 is arranged between the pressure spring 6 and the push rod plug 7, and the path range of the movement of the pressure spring 6 is adjusted by adjusting the position of the nut 8 or selecting the model, so that the return of the material blocking push rod 4 is adjusted.
Example 3
According to the utility model, on the basis of the embodiment 1, as shown in fig. 4, the diameter of the through hole 51 is slightly larger than that of the material blocking push rod 4, and a limiting step 52 is arranged inside the through hole 51. The material blocking push rod 4 and the material blocking seat 2 swing mutually, and the diameter of the through hole 51 is slightly larger, so that the material blocking push rod 4 can float up and down to a certain extent, thereby providing the space amount required by the rotation of the material blocking seat 2, and the limiting step 52 provides a stress point for the compression spring 6 during contraction and plays a limiting role on the contraction of the compression spring 6; as shown in fig. 6, the material blocking push rod 4 is composed of a threaded section 42, a compression spring mounting section 43 and a fixing section 44, the radius is increased section by section, and the compression spring mounting section 43 penetrates through the push rod fixing seat 5. The screw thread section 42 is used for installing push rod top 7 and nut 8, and the screw thread makes push rod top 7 and nut 8 be convenient for adjust, and pressure spring installation section 43 radius grow is convenient for limit nut 8's regulation extreme position, and fixed section 44 radius grow makes keep off material push rod 4 when return under pressure spring 6 effect jack-up push rod fixing base 5, plays the time limit effect of return, and nut 8 plays certain limiting displacement to push rod top 7 installation simultaneously. The fixed section 44 is matched with the material blocking seat 2, and the symmetrical side is a plane structure, so that the plane 41 is punched on the side surface arc of the fixed section 44, the contact area with the material blocking seat 2 is enlarged, and the installation of the material blocking push rod 4 is facilitated. The symmetrical side punching plane 41 on the plane 41 is convenient for installing the bolt, and enlarges the contact area of the bolt and the material blocking push rod 4, so that the bolt is fixed more firmly, the material blocking push rod 4 runs stably, and the position deviation does not occur.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a novel striker before mould device, includes stopper (1), push rod fixing base (5) and clip seat (9), its characterized in that, be equipped with on clip seat (9) and keep off material seat (2), it is equipped with rotary shaft (22) to keep off material seat (2) middle part, clip seat (9) and keep off material seat (2) and pass through rotary shaft (22) and connect, it is equipped with hinged connection's fender material push rod (4) to keep off material seat (2) upper end, it is equipped with striker plate (3) through bolt fastening complex to keep off material push rod (4) and be equipped with push rod top (7) near stopper (1) one side, be equipped with through-hole (51) on push rod fixing base (5), be equipped with pressure spring (6) between push rod top (7) and push rod fixing base (5), in through-hole (51) are gone into to pressure spring (6) one side card, fender material push rod (4) runs through-hole (51).
2. A novel pre-mold dam device as claimed in claim 1, wherein said dam plate (3) is provided with a bent structure (31) gradually approaching the dam opening.
3. The novel pre-mold stop device according to claim 1, wherein a groove (21) matched with the stop plate (3) is formed in the lower end of the stop seat (2), and a locking hole (23) is formed in the top of the stop seat (2).
4. The novel pre-mold stop device according to claim 1, wherein the diameter of the through hole (51) is slightly larger than that of the stop push rod (4), and a limiting step (52) is arranged inside the through hole (51).
5. The novel pre-mold stop device according to claim 1, wherein a nut (8) is arranged between the pressure spring (6) and the push rod plug (7).
6. The novel pre-mold stop device according to claim 1, wherein the stop push rod (4) consists of a threaded section (42), a compression spring mounting section (43) and a fixing section (44), and the radius is increased section by section.
7. A novel pre-mold dam device as claimed in claim 6, wherein said fixing section (44) is provided with a plane (41) on the side of engagement with the dam holder (2) and on the symmetrical side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322004567.3U CN220560355U (en) | 2023-07-28 | 2023-07-28 | Novel front stop device of die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322004567.3U CN220560355U (en) | 2023-07-28 | 2023-07-28 | Novel front stop device of die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220560355U true CN220560355U (en) | 2024-03-08 |
Family
ID=90093680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322004567.3U Active CN220560355U (en) | 2023-07-28 | 2023-07-28 | Novel front stop device of die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220560355U (en) |
-
2023
- 2023-07-28 CN CN202322004567.3U patent/CN220560355U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |