CN220387665U - Hole flanging and material pressing ejection mechanism - Google Patents
Hole flanging and material pressing ejection mechanism Download PDFInfo
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- CN220387665U CN220387665U CN202321931815.2U CN202321931815U CN220387665U CN 220387665 U CN220387665 U CN 220387665U CN 202321931815 U CN202321931815 U CN 202321931815U CN 220387665 U CN220387665 U CN 220387665U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 17
- 230000003068 static effect Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 238000004080 punching Methods 0.000 abstract description 29
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a hole flanging and material pressing ejection mechanism, which comprises a hole flanging male die, a hole flanging female die and a lower fixing plate, wherein the hole flanging male die and the hole flanging female die are arranged in an up-down opposite manner, the lower fixing plate is arranged on a die frame and can fix the hole flanging female die, an inner support capable of ejecting a formed hole flanging product is sleeved in the hole flanging female die, a jogged hole is formed in the middle of the top end of the inner support, and a material flanging space for overturning a hole flanging pre-punching part of a blank is formed in the jogged hole; when the hole flanging male die and the hole flanging female die are matched, the forming convex part of the hole flanging male die can be embedded with the embedded hole, and the extruded blank is overturned in the material overturning space; the utility model can divide the whole hole flanging process into two stages, effectively avoids large force generated by large-amplitude hole flanging, and prevents the product from cracking.
Description
Technical Field
The utility model relates to the technical field of punching hole flanging, in particular to a hole flanging, material pressing and ejection mechanism.
Background
Along with continuous innovation of product modeling design, the shape of the product becomes more and more complex, and higher requirements are also put on the stamping forming technology; when the hole flanging is carried out, a punching punch is adopted to pre-punch small holes on the blank, and then the hole flanging punch is used for flanging the pre-punched holes, namely the blank is overturned to form a side-standing flange along the periphery of the pre-punched holes.
CN112620441a chinese utility model patent discloses a hole flanging ejector, comprising a die body, wherein a standard screw is arranged on the die body, a hole flanging ejector block is arranged above the die body, a hole flanging is arranged in the middle of the hole flanging ejector block, a limit groove is arranged at the lower side of the hole flanging, the upper end of the standard screw extends into the hole flanging ejector block, the limit groove limits the upper end of the standard screw, a standard spring is sleeved on the standard screw, and the standard spring is arranged between the die body and the hole flanging ejector block; the standard screw is fixed on the die body, and the hole flanging ejection block is moved to enable the standard screw to be ejected upwards, so that the structure is simple, the production efficiency is improved, the production cost is reduced, and the reliability of the assembly is improved; but in the structure, the ejection block and the hole flanging pre-punching part of the blank form integral surface contact, when in hole flanging, the material flanging space for pre-punching and overturning is lacking, the blank can only be subjected to hole flanging forming once and greatly, larger acting force is generated in the hole flanging process, and the product is easy to crack, so that the product quality is influenced.
Disclosure of Invention
The utility model aims to provide a hole flanging and material pressing ejection mechanism which can avoid large force generated by large-amplitude hole flanging, thereby preventing a product from cracking.
The aim of the utility model is achieved by the following technical scheme:
the hole flanging and material pressing ejection mechanism comprises a hole flanging male die, a hole flanging female die and a lower fixing plate, wherein the hole flanging male die and the hole flanging female die are arranged in an up-down opposite mode, the lower fixing plate is arranged on a die frame and can fix the hole flanging female die, an inner support capable of ejecting a formed hole flanging product is sleeved in the hole flanging female die, a jogged hole is formed in the middle of the top end of the inner support, and a material flanging space for overturning a hole flanging pre-punching part of a blank is formed by the jogged hole; when the hole flanging male die and the hole flanging female die are matched, the forming convex part of the hole flanging male die can be embedded with the embedded hole, and the extruded blank can be overturned in the material overturning space.
Based on the technical scheme, the utility model can be improved as follows:
further, the diameter of the fitting hole corresponds to the diameter of the molding convex part of the hole flanging male die.
Further, a mounting cavity for accommodating the hole flanging die is formed in the lower fixing plate, an elastic piece is arranged in the mounting cavity, and the elastic piece can provide vertical upward acting force for the inner support, so that the inner support is restored to the original position after hole flanging is formed, and the product after hole flanging is formed is ejected.
Further, the lower end of the inner support is provided with an annular flange, and the diameter of the annular flange is larger than that of the inner support; when the inner support is static, the elastic piece supports the annular flange to be in stop fit with the lower end face of the second hole turning die, so that the upper end face of the inner support is kept flush with the upper end face of the second hole turning die.
Further, a lower mounting opening is formed at the lower end of the mounting cavity of the lower fixing plate, and the elastic piece enters the annular flange on the support inner support in the mounting cavity through the lower mounting opening and is sealed through the lower base plate.
Further, the elastic piece is a spring, one end of the spring is connected with the annular flange, and the other end of the spring is connected with the lower backing plate.
Further, the elastic piece is a spring guide pipe embedded on the lower base plate, a spring is arranged in the spring guide pipe, a connecting column is arranged at the bottom of the annular flange on the inner support, the connecting column and the inner support are coaxially arranged, the connecting column vertically extends downwards to be movably connected with the spring guide pipe, and acting force is provided for the connecting column through the spring arranged in the spring guide pipe.
Further, the upper end of the spring guide pipe vertically extends upwards out of the upper end surface of the lower base plate and extends into the mounting cavity of the second hole turning die to be movably sleeved with the connecting column on the inner support; the lower backing plate is internally provided with an embedded cavity for embedding the spring guide pipe, the upper end of the lower backing plate is provided with an embedded opening communicated with the embedded cavity, and the lower end of the lower backing plate is closed; one end of the spring is abutted against the lower backing plate, and the other end is abutted against the connecting column.
Further, a limit groove is formed in one side of the installation cavity of the lower fixing plate, the limit groove is communicated with the installation cavity, a step surface is formed in one side, opposite to the limit groove, of the hole flanging die, the step surface is flush with the bottom surface of the limit groove, a limit block is detachably connected in the limit groove in a stacked mode, and the limit block is matched with the step surface of the second hole flanging die in a blocking mode.
Compared with the prior art, the technology of the utility model has the following advantages:
(1) According to the utility model, the inner support is sleeved in the hole flanging die, the middle of the top end of the inner support is provided with the jogged hole so as to form a material flanging space for overturning the hole flanging pre-punching part of the blank, the hole flanging pre-punching part of the blank can firstly overturn downwards in the jogged hole by a certain angle, and the hole flanging pre-punching part of the blank gradually breaks away from the jogged hole along with the continuous downwards movement of the hole flanging male die and enters the jogged hole and continues to bend until the hole flanging pre-punching part is attached to the inner wall of the forming concave part of the hole flanging die; the whole hole flanging process is carried out in two stages, so that larger acting force generated by large-amplitude hole flanging is effectively avoided, and cracking of products is prevented;
(2) According to the utility model, the spring guide tube can guide the spring to axially stretch and retract, and elastic force is formed in the vertical direction, so that the inner support is intensively driven to move and rapidly eject out a product, the influence of swinging and shaking of the spring on the forming hole flanging precision is avoided, and the product quality is further improved.
Drawings
The utility model will be described in further detail with reference to the accompanying drawings and specific embodiments
FIG. 1 is a schematic diagram of a structure of an inventive hole flanging and material-pressing ejection mechanism;
FIG. 2 is a cross-sectional view of a hole flanging, swage ejection mechanism according to the first embodiment;
FIG. 3 is a schematic view of a first hole flanging die structure of the present utility model;
FIG. 4 is a schematic diagram of a second hole flanging die structure in accordance with the present utility model;
FIG. 5 is a schematic view of a lower fixing plate structure of the present utility model;
FIG. 6 is a cross-sectional view of a hole flanging, swage ejection mechanism of the second embodiment;
FIG. 7 is a schematic view of an inner support structure according to the present utility model;
fig. 8 is a schematic view of the structure of the lower mat of the present utility model.
The marks on the accompanying drawings: the device comprises a first hole turning die, a 1 a-forming convex part, a second hole turning die, a 2 a-forming concave part, a 3-lower fixing plate, a 3 a-second mounting cavity, a 3 b-limiting groove, a 4-inner support, a 4 a-jogged hole, a 4 b-annular flange, a 4 c-connecting column, a 5-lower backing plate, a 5 a-jogged cavity, a 6-spring, a 7-spring guide tube and an 8-limiting block.
Detailed Description
The following description of specific embodiments of the utility model is provided to aid in understanding the utility model and is not to be construed as limiting the utility model, as illustrated in the accompanying drawings. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Example 1
Referring to fig. 1 to 5, the present utility model relates to a hole flanging, swage, and ejector mechanism, wherein a processed blank comprises a molding main body and a hole flanging pre-punching part formed on the molding main body; the hole flanging and material pressing ejection mechanism in the embodiment comprises two hole flanging dies which are oppositely arranged on the movable travel mechanism, and can relatively move under the drive of the movable travel mechanism and are matched and folded with each other to form and hole flanging the hole flanging pre-punching part of the blank.
One of the hole flanging dies is a hole flanging male die and is provided with a forming convex part; the other hole flanging die is a hole flanging female die, and a concave part is formed specifically; when the two hole flanging dies are mutually folded, a hole flanging die cavity is formed between the two hole flanging dies, the forming concave-convex part and the forming concave-convex part are mutually matched, and the hole flanging pre-punching part of the blank can be pressed and deformed in the hole flanging die cavity.
According to practical situations, the two hole flanging dies can be vertically opposite, or can be horizontally opposite or vertically opposite, and in the embodiment, the two hole flanging dies vertically opposite are used for illustration; for convenience of description, the two hole flanging dies are named as a first hole flanging die 1 and a second hole flanging die 2 respectively, the first hole flanging die 1 is located above the second hole flanging die 2, the first hole flanging die 1 and the second hole flanging die 2 are fixed on a movable travel mechanism respectively, and under the drive of the movable travel mechanism, the first hole flanging die 1 and the second hole flanging die 2 move up and down relatively, and the two hole flanging dies are matched and folded to finish blank forming hole flanging.
In the embodiment, the first hole flanging die 1 is a hole flanging male die and is provided with a forming convex part 1a; the second hole flanging die 2 is a hole flanging female die and is provided with a forming concave part 2a correspondingly matched with the forming convex part 1a of the first hole flanging die 1; according to practical situations, the first hole flanging die 1 is a hole flanging female die, and the second hole flanging die 2 is a hole flanging male die.
In the concrete implementation, the forming main body part of the blank is fixed on the upper end surface of the second hole flanging die 2, and the hole flanging pre-punching part of the blank is suspended above the forming concave part 2a of the second hole flanging die 2; the first hole flanging die 1 moves downwards relative to the second hole flanging die 2, the forming convex part 1a of the first hole flanging die 1 is propped against the hole flanging pre-punching part of the blank, the hole flanging pre-punching part of the blank is pressed to overturn downwards, and the blank is overturned into the forming concave part 2a of the second hole flanging die 2 and correspondingly deformed; after the forming convex part 1a and the forming concave part 2a are matched with each other, the hole flanging pre-punching part of the blank can be formed and extruded into corresponding hole flanging size of the product.
The adopted movable stroke mechanism can be a stamping die carrier in the prior art, the stamping die carrier comprises an upper die carrier and a lower die carrier which can move up and down relatively, wherein a first hole flanging die 1 is arranged on the upper die carrier, and a second hole flanging die 2 is arranged on the lower die carrier; the vertical punching machine tool provides a longitudinal driving force for the upper die frame and the lower die frame, and when the upper die frame and the lower die frame are mutually folded, the first hole flanging die 1 and the second hole flanging die 2 correspondingly move up and down to mutually match, and the hole flanging pre-punching part of the blank is extruded and turned downwards to form a hole flanging with corresponding size.
An upper fixing plate (not shown) is arranged on the folding side of the upper die frame, a lower fixing plate 3 is arranged on the folding side of the lower die frame, and the two fixing plates are used for clamping a forming main body part of a blank during die assembly; one hole flanging die is arranged on the upper fixed plate, and the other hole flanging die is arranged on the lower fixed plate 3; in this embodiment, the first hole flanging die 1 is arranged on the upper fixing plate, and the second hole flanging die 2 is arranged on the lower fixing plate 3; when the upper die carrier and the lower die carrier are mutually folded, the upper fixing plate and the lower fixing plate 3 clamp the blank forming main body part up and down.
A first installation cavity for accommodating the first hole flanging die 1 is formed in the upper fixing plate, and a second installation cavity 3a for accommodating the second hole flanging die 2 is formed in the lower fixing plate 3; when the upper die frame and the lower die frame are mutually closed, the upper fixing plate and the lower fixing plate 3 clamp the blank up and down, the second hole flanging die 2 can be fixed in the second mounting cavity 3a, and the first hole flanging die 1 can slide in the first mounting cavity and extend out of the upper fixing plate in a sliding manner to be matched with the second hole flanging die 2.
In this embodiment, the first hole flanging die 1 is a solid columnar structure, a cylindrical protrusion extends from the lower end of the first hole flanging die, and is used as a forming protrusion 1a, the hole flanging pre-punching part of the blank is extruded and hole flanging is performed through the forming protrusion 1a, and a spherical convex surface with a smooth outward protrusion is formed at the tail end of the forming protrusion 1a; in the hole flanging process, the blank is in tangential sliding contact with the spherical convex surface of the forming convex part 1a, so that overturning force is provided for the blank, and meanwhile, resistance is reduced, so that the blank can be overturned quickly; the length of the forming convex part 1a is larger than the hole flanging quantity of the hole flanging pre-punching part of the blank.
In this embodiment, the second hole flanging die 2 is in a hollow cylindrical structure, the upper end of the second hole flanging die is provided with an upper opening communicated with the inner space as a forming concave part 2a, the lower end of the second hole flanging die is provided with a lower opening communicated with the inner space, the upper opening, the inner space and the lower opening form an exhaust channel from top to bottom, and the pressure intensity inside and outside the second hole flanging die 2 is balanced through the exhaust channel, so that smooth matching of the two hole flanging dies is facilitated; when the two hole flanging dies are matched, the forming convex part 1a of the second hole flanging die 2 extends into the second hole flanging die 2 through the forming concave part 2a, a material pressing gap which is communicated with each other is formed between the peripheral surface of the forming convex part 1a and the inner wall of the second hole flanging die 2, and between the lower end surface of the first hole flanging die 1 and the upper end surface of the second hole flanging die 2, and a blank is kept in a pressed state in the material pressing gap.
For convenient dismouting, limit groove 3b has been seted up to second installation cavity 3a one side of fixed plate 3 down, limit groove 3b intercommunication second installation cavity 3a, the step face has been seted up to the second hole flanging die 2 and the opposite side of limit groove 3b, step face and the bottom surface parallel and level of limit groove 3b, be fixed with stopper 8 through the bolt in the limit groove 3b, set up the through-hole that supplies the bolt to pass through on the stopper 8, stopper 8 and the step face shelves cooperation of second hole flanging die 2, in order to fix second hole flanging die 2 in the second installation cavity 3a of fixed plate 3 down.
An inner support 4 capable of ejecting the formed hole flanging product is sleeved in the second hole flanging die 2, and the inner support 4 can move up and down in the inner space of the second hole flanging die 2 and eject the formed hole flanging product; before the two hole flanging dies are matched, the upper end face of the inner support 4 is flush with the upper end face of the second hole flanging die 2 so as to support a hole flanging pre-punching part of a blank which is suspended above the forming concave part 2a of the second hole flanging die 2; when the two hole flanging dies are matched, the forming convex part 1a of the first hole flanging die 1 downwards abuts against the hole flanging pre-punching part of the blank and is matched with the forming concave part 2a of the second hole flanging die 2, and the hole flanging pre-punching part of the blank is pressed to downwards overturn and overturned to be attached to the inner wall of the forming concave part 2a of the second hole flanging die 2; in the process of turning over the blank, the blank forms downward acting force on the upper end face of the inner support 4, the inner support 4 is driven to vertically move downwards along the inner space of the second hole turning die 2, and the lower end of the inner support 4 moves out of the second hole turning die 2 from the lower opening of the second hole turning die 2 and enters a second mounting cavity 3a in the lower fixed block; the second installation cavity 3a is provided with an elastic piece, and the elastic piece can provide vertical upward acting force for the inner support 4, so that the inner support 4 is restored to the original position after forming hole flanging, and the product after forming hole flanging is ejected out.
Specifically, in this embodiment, the inner support 4 has a cylindrical structure, the diameter of the inner support corresponds to the diameter of the second installation cavity 3a inside the fixed block, the middle of the top end of the inner support is provided with an embedded hole 4a, the diameter of the embedded hole 4a corresponds to the diameter of the forming convex part 1a of the first hole flanging die 1, so as to form a material flanging space for the turnover of the hole flanging pre-punching part of the blank, when the two hole flanging dies are matched, the hole flanging pre-punching part of the blank is pressed and is turned downwards in the embedded hole 4a for a certain angle, the forming convex part 1a of the first hole flanging die 1 continues to move downwards and enter the embedded hole 4a, the inner support 4 correspondingly moves downwards, the hole flanging pre-punching part of the blank is gradually separated from the embedded hole 4a, and continues to be bent to be attached to the inner wall of the forming concave part 2a of the second hole flanging die 2; the whole hole flanging process is carried out in two stages, so that larger acting force generated by large-amplitude hole flanging is effectively avoided, and cracking of products is prevented; the bottom surface of the fitting hole 4a is a spherical surface corresponding to the molding protrusion 1a of the first hole flanging die 1.
The lower end of the inner support 4 is provided with an annular flange 4b, and the diameter of the annular flange 4b is larger than that of the inner support 4; when the die is static, the elastic piece supports the annular flange 4b to be in stop fit with the lower end face of the second hole flanging die 2 so as to limit the upward moving stroke of the inner support 4 in the second hole flanging die 2, and the upper end face of the inner support 4 is kept flush with the upper end face of the second hole flanging die 2 after hole flanging is formed.
In order to facilitate the installation of the elastic member, the lower end of the second installation cavity 3a of the lower fixing plate 3 is formed with a lower installation opening through which the elastic member can be placed into the second installation cavity 3a to support the annular flange 4b of the inner support 4; and is sealed by a lower backing plate 5; the elastic member in this embodiment is a spring 6, one end of the spring 6 is connected to the annular flange 4b, and the other end is connected to the lower pad 5, and the spring 6 is in an extended state when at rest.
In specific implementation, the forming convex part 1a of the first hole flanging die 1 is pressed downwards against the hole flanging pre-punching part of the blank and is matched with the forming concave part 2a of the second hole flanging die 2, and the hole flanging pre-punching part of the blank is pressed downwards to be overturned until being jointed with the inner wall of the forming concave part 2a of the second hole flanging die 2; in the overturning process of the blank, the blank forms downward acting force on the upper end face of the inner support 4, the inner support 4 is driven to vertically move downwards along the inner space of the second hole flanging die 2, the lower end of the inner support 4 moves out of the second hole flanging die 2 from the lower opening of the second hole flanging die 2 and enters a second installation cavity 3a in the lower fixed block, and a spring 6 in the second installation cavity 3a is compressed to form elastic force; after the hole flanging is formed, the elastic force formed by the spring 6 acts on the annular flange 4b to drive the inner support 4 to restore the original position, and the product after the hole flanging is formed is ejected.
Example two
Referring to fig. 1 to 8, the second embodiment differs from the first embodiment in that: the lower backing plate 5 is embedded with a spring guide tube 7 serving as an elastic element, the spring guide tube 7 is internally provided with a spring 6, the bottom of an annular flange 4b on the inner support 4 is provided with a connecting column 4c, the connecting column 4c and the inner support 4 are coaxially arranged, the connecting column 4c extends vertically downwards to be movably connected with the spring guide tube 7, and the connecting column 4c is provided with elastic force through the spring 6 arranged in the spring guide tube 7.
Specifically, the spring guide tube 7 is of a hollow tubular structure, a vertical tube cavity is formed in the spring guide tube, and the spring 6 is arranged in the tube cavity and can stretch along the tube cavity; the upper end of the spring guide pipe 7 vertically extends upwards out of the upper end surface of the lower base plate 5 and extends into the second mounting cavity 3a of the second hole turning die 2 to be movably sleeved with the connecting column 4c on the inner support 4; an embedded cavity 5a for embedding the spring guide pipe 7 is formed in the lower base plate 5, an embedded opening communicated with the embedded cavity 5a is formed at the upper end of the lower base plate 5, and the lower end of the lower base plate 5 is closed; one end of the spring 6 abuts against the lower pad 5, and the other end abuts against the connecting post 4c.
In the concrete implementation, in the process of turning over the blank, the inner support 4 vertically moves downwards along the inner space of the second hole turning die 2, correspondingly, the connecting column 4c on the inner support 4 moves downwards along the spring guide tube 7, and the spring 6 is compressed to form elastic force; after forming the hole flanging, the upper end of the spring guide pipe 7 is in stop fit with the lower end surface of the annular flange 4b so as to limit the downward movement stroke of the inner support 4, the elastic force formed by the spring 6 acts on the connecting column 4c to drive the inner support 4 to restore to the original position, and the product after forming the hole flanging is ejected; the spring 6 can be guided to axially stretch through the spring guide pipe 7, and elastic force is formed in the vertical direction so as to intensively drive the inner support 4 to move and rapidly eject products, and the phenomenon that the shaping hole flanging precision is affected by swinging and shaking of the spring 6 is avoided, so that the product quality is further improved.
The above-mentioned embodiments of the present utility model are not intended to limit the scope of the present utility model, and the embodiments of the present utility model are not limited thereto, and all kinds of modifications, substitutions or alterations made to the above-mentioned structures of the present utility model according to the above-mentioned general knowledge and conventional means of the art without departing from the basic technical ideas of the present utility model shall fall within the scope of the present utility model.
Claims (9)
1. The hole flanging and material pressing ejection mechanism comprises a hole flanging male die, a hole flanging female die and a lower fixing plate, wherein the hole flanging male die and the hole flanging female die are arranged in an up-down opposite mode, and the lower fixing plate is arranged on a die frame and can fix the hole flanging female die; when the hole flanging male die and the hole flanging female die are matched, the forming convex part of the hole flanging male die can be embedded with the embedded hole, and the extruded blank can be overturned in the material overturning space.
2. The hole flanging die ejector mechanism of claim 1, wherein the diameter of the mating hole corresponds to the diameter of the forming boss of the hole flanging die.
3. The hole flanging and material-pressing ejection mechanism according to claim 2, wherein a mounting cavity for accommodating the hole flanging die is formed in the lower fixing plate, an elastic piece is arranged in the mounting cavity, and the elastic piece can provide a vertical upward acting force for the inner support, so that the inner support is restored to the original position after hole flanging is formed, and the product after hole flanging is ejected.
4. The hole flanging die ejector mechanism according to claim 3, wherein the lower end of the inner support is provided with an annular flange, and the diameter of the annular flange is larger than that of the inner support; when the inner support is static, the elastic piece supports the annular flange to be in stop fit with the lower end face of the second hole turning die, so that the upper end face of the inner support is kept flush with the upper end face of the second hole turning die.
5. The hole flanging die ejector mechanism according to claim 4, wherein the lower end of the mounting chamber of the lower fixing plate is formed with a lower mounting opening, and the elastic member enters the annular flange on the support inner bracket in the mounting chamber through the lower mounting opening and is closed by the lower backing plate.
6. The hole flanging die ejector mechanism of claim 5, wherein the elastic member is a spring, one end of the spring is connected to the annular flange, and the other end is connected to the lower pad.
7. The hole flanging die ejector mechanism according to claim 5, wherein the elastic member is a spring guide tube embedded in the lower backing plate, a spring is arranged in the spring guide tube, a connecting column is arranged at the bottom of the annular flange on the inner support, the connecting column is coaxially arranged with the inner support, extends vertically downwards, is movably connected with the spring guide tube, and provides an acting force for the connecting column through the spring arranged in the spring guide tube.
8. The hole flanging and material-pressing ejection mechanism according to claim 7, wherein the upper end of the spring guide pipe extends vertically upwards out of the upper end surface of the lower base plate and into the mounting cavity of the second hole flanging die to be movably sleeved with the connecting column on the inner support; the lower backing plate is internally provided with an embedded cavity for embedding the spring guide pipe, the upper end of the lower backing plate is provided with an embedded opening communicated with the embedded cavity, and the lower end of the lower backing plate is closed; one end of the spring is abutted against the lower backing plate, and the other end is abutted against the connecting column.
9. The hole flanging and material-pressing ejection mechanism according to any one of claims 3 to 8, wherein a limit groove is formed in one side of the installation cavity of the lower fixing plate, the limit groove is communicated with the installation cavity, a step surface is formed in one side, opposite to the limit groove, of the hole flanging die, the step surface is flush with the bottom surface of the limit groove, a limit block is detachably connected in the limit groove in a stacked manner, and the limit block is in stop fit with the step surface of the second hole flanging die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321931815.2U CN220387665U (en) | 2023-07-21 | 2023-07-21 | Hole flanging and material pressing ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321931815.2U CN220387665U (en) | 2023-07-21 | 2023-07-21 | Hole flanging and material pressing ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220387665U true CN220387665U (en) | 2024-01-26 |
Family
ID=89603923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321931815.2U Active CN220387665U (en) | 2023-07-21 | 2023-07-21 | Hole flanging and material pressing ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220387665U (en) |
-
2023
- 2023-07-21 CN CN202321931815.2U patent/CN220387665U/en active Active
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Address after: 516000 self built factory building by the Xinwei Village Village Village Group of Shanpi Village Committee, Lilin Town, Zhongkai High tech Zone, Huizhou City, Guangdong Province Patentee after: Guangdong Luke Metal Technology Co.,Ltd. Country or region after: China Address before: 516000 self built factory building by the Xinwei Village Village Village Group of Shanpi Village Committee, Lilin Town, Zhongkai High tech Zone, Huizhou City, Guangdong Province Patentee before: Huizhou Luke Mold Co.,Ltd. Country or region before: China |