CN211276305U - Material returning die suitable for bridge-shaped hardware - Google Patents
Material returning die suitable for bridge-shaped hardware Download PDFInfo
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- CN211276305U CN211276305U CN201921538709.1U CN201921538709U CN211276305U CN 211276305 U CN211276305 U CN 211276305U CN 201921538709 U CN201921538709 U CN 201921538709U CN 211276305 U CN211276305 U CN 211276305U
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- fixedly connected
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- lower template
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Abstract
The utility model discloses a material returned mould that is adapted to bridge shape hardware, concretely relates to stamping process field, including the lower bolster, the top central point of lower bolster puts and has seted up the shaping groove, the cavity has been seted up to the bottom of lower bolster, the top of lower bolster is provided with the cope match-plate pattern, the inside of cavity is provided with work piece ejection mechanism, one side of lower bolster is provided with work piece material returned mechanism, work piece ejection mechanism includes first lifter plate, the first ejector pin of top fixedly connected with at first lifter plate both ends, the top of lower bolster is run through on the top of first ejector pin to extend to the both ends bottom in shaping groove. The utility model discloses a bottom at the shaping groove sets up first ejector pin and second ejector pin that can slide, and after the shaping, first lifter plate promotes first ejector pin and second ejector pin by oneself under the drive of second spring and rises, makes the work piece break away from the shaping groove to convenient material returned has improved the efficiency that the mould used.
Description
Technical Field
The utility model relates to a stamping process field, more specifically say, the utility model relates to a material returned mould that is adapted to bridge shape hardware.
Background
The stamping is a forming method for obtaining a workpiece (stamping part) with a required shape and size by applying external force to plates, strips, pipes, profiles and the like by a press and a die to cause plastic deformation or separation, and the common bridge hardware in life is mostly formed by stamping, so that the bridge hardware needs to be processed and produced by the stamping die.
The prior art has the following defects: when the die is actually used, the workpiece is very easy to deform during demoulding because the die cannot uniformly support all parts of the workpiece during demoulding.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an unloading mould that is adapted to bridge shape hardware, through setting up first ejector pin and the second ejector pin that can slide in the bottom in shaping groove, and set up first lifter plate and first ejector pin and second ejector pin fixed connection in the inside of cavity, after the shaping, the cope match-plate pattern rises, and first lifter plate promotes first ejector pin and second ejector pin by oneself under the drive of second spring and rises this moment, make the work piece break away from the shaping groove, in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a material returning die suitable for bridge-shaped hardware comprises a lower die plate, wherein a forming groove is formed in the center of the top of the lower die plate, a cavity is formed in the bottom of the lower die plate, an upper die plate is arranged above the lower die plate, a workpiece ejection mechanism is arranged inside the cavity, and a workpiece material returning mechanism is arranged on one side of the lower die plate;
the workpiece ejection mechanism comprises a first lifting plate, first ejector rods are fixedly connected to the tops of the two ends of the first lifting plate, the top end of each first ejector rod penetrates through the top of the lower template and extends to the bottoms of the two ends of the forming groove, a second ejector rod is fixedly connected to the center of the top of the first lifting plate, the top end of the second ejector rod penetrates through the top of the lower template and extends to the bottom of the center of the forming groove, the second ejector rod and the first ejector rod are both in sliding connection with the lower template, telescopic rods are fixedly connected to the four corners of the bottom of the first lifting plate, the bottom end of each telescopic rod is fixedly connected with the bottom side of the corresponding cavity, and a second spring is sleeved outside the telescopic rods.
In a preferred embodiment, the inside slip cap of second ejector pin is equipped with the inner ram, the bottom of inner ram runs through second ejector pin and first lifter plate in proper order to fixedly connected with second lifter plate, the both ends fixedly connected with of second lifter plate links the frame, the both ends of linking the frame extend to the outside of cavity, just the top fixedly connected with carriage at linking both ends, the inside sliding connection of carriage has the pull rod, the top of pull rod and the lateral wall fixed connection of cope match-plate pattern.
In a preferred embodiment, the top of the first top rod and the top of the inner top rod are both fixedly connected with a top plate, and the bottom of the forming groove is provided with a top plate groove matched with the top plate.
In a preferred embodiment, a bump is fixedly connected to the bottom of the pull rod, the bump is slidably connected to the inside of the sliding frame, and a first spring is sleeved outside the bottom end of the pull rod and located between the top of the bump and the top of the inner cavity of the sliding frame.
In a preferred embodiment, the combined length of the first top rod and the top plate is equal to the distance from the top of the cavity to the top of the lower template, and the length of the inner top rod is equal to the distance from the top end of the first top rod to the bottom of the first lifting plate.
In a preferred embodiment, the workpiece material returning mechanism includes a push plate, the top of the back side of the lower template is rotatably connected with a gear shaft, the bottoms of the two ends of the push plate are fixedly connected with a transverse rack, sliding grooves are formed in the two sides of the top of the lower template, the transverse rack is slidably connected with the inside of the sliding grooves, the bottom of the transverse rack is meshed with the top of the gear shaft, a vertical rack is fixedly connected to the center of the back side of the upper template, and one side of the vertical rack, which is close to the upper template, is meshed with one side of the gear shaft, which is far away from the lower template.
In a preferred embodiment, the length of the cross rack is greater than the width of the lower template.
In a preferred embodiment, a push plate groove is formed in one side, close to the vertical rack, of the bottom of the upper template.
The utility model discloses a technological effect and advantage:
1. the utility model arranges the first and the second push rods which can slide at the bottom of the forming groove, and arranges the first lifting plate inside the cavity to be fixedly connected with the first and the second push rods, when the upper template descends to work, the second ejector rod and the inner ejector rod are pressed downwards to enable the top plate to enter the top plate groove, the workpiece is punched and formed, after the forming is finished, the upper template can be lifted, at the moment, the first lifting plate automatically pushes the first ejector rod and the second ejector rod to lift under the driving of the second spring, so that the workpiece is separated from the forming groove, when the upper template continuously rises, the sliding frame and the connecting frame are driven to rise through the first spring, so that the second lifting plate drives the inner ejector rod in the second ejector rod to continuously rise, the workpiece is continuously ejected out, so that the material is conveniently returned, compared with the prior art, the convenience of using the die is greatly enhanced, and the using efficiency of the die is improved;
2. the utility model discloses an outside at the lower bolster is rotated and is connected the gear shaft, and set up the spout at the top of lower bolster, make the horizontal rack can sliding connection in the inside of spout, and then can make the horizontal rack can drive the push pedal at the top of lower bolster and remove, through gear shaft and horizontal rack meshing, the rethread is connected perpendicular rack and is made perpendicular rack and gear shaft meshing in one side of upper bolster, and make gear shaft and horizontal rack meshing, thereby end at the work piece shaping, when the upper bolster rises, make perpendicular rack drive gear shaft and rotate, and then drive the horizontal rack and remove in the spout, finally realize when the upper bolster rises, cooperation work piece ejection mechanism is ejecting the back with the work piece, make the automatic work piece that promotes of push pedal keep away from the lower bolster, carry out the material returned, compared with the prior art, the material returned speed of mould has greatly been improved, the practicality of mould use has.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is an enlarged view of the structure of the portion a of fig. 1 according to the present invention.
Fig. 5 is a schematic view of the overall structure of the sliding rack of the present invention.
The reference signs are: 1 lower template, 2 chutes, 3 workpiece ejection mechanisms, 4 upper templates, 5 first ejector rods, 6 ejector plate grooves, 7 ejector plates, 8 forming grooves, 9 workpiece material returning mechanisms, 10 pull rods, 11 first springs, 12 sliding frames, 13 connecting frames, 14 telescopic rods, 15 inner ejector rods, 16 second lifting plates, 17 second springs, 18 first lifting plates, 19 cavities, 20 convex blocks, 21 second ejector rods, 22 ejector plate grooves, 23 ejector plates, 24 vertical racks, 25 transverse racks and 26 gear shafts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, the utility model provides a material returning mold suitable for bridge-shaped hardware, including lower template 1, the top central point of lower template 1 has seted up forming groove 8, the bottom of lower template 1 has seted up cavity 19, the top of lower template 1 is provided with cope match-plate pattern 4, the inside of cavity 19 is provided with work piece ejection mechanism 3, one side of lower template 1 is provided with work piece material returning mechanism 9;
the workpiece ejection mechanism 3 comprises a first lifting plate 18, first ejector rods 5 are fixedly connected to the tops of two ends of the first lifting plate 18, the top ends of the first ejector rods 5 penetrate through the top of the lower template 1 and extend to the bottoms of two ends of the forming groove 8, second ejector rods 21 are fixedly connected to the center of the top of the first lifting plate 18, the top ends of the second ejector rods 21 penetrate through the top of the lower template 1 and extend to the bottom of the center of the forming groove 8, the second ejector rods 21 and the first ejector rods 5 are both in sliding connection with the lower template 1, telescopic rods 14 are fixedly connected to four corners of the bottom of the first lifting plate 18, the bottom ends of the telescopic rods 14 are fixedly connected with the bottom side of the cavity 19, and second springs 17 are sleeved outside the telescopic rods 14;
an inner ejector rod 15 is slidably sleeved inside the second ejector rod 21, the bottom end of the inner ejector rod 15 sequentially penetrates through the second ejector rod 21 and the first lifting plate 18 and is fixedly connected with a second lifting plate 16, two ends of the second lifting plate 16 are fixedly connected with connecting frames 13, two ends of each connecting frame 13 extend to the outside of the cavity 19, the tops of two ends of each connecting frame 13 are fixedly connected with sliding frames 12, pull rods 10 are slidably connected inside the sliding frames 12, the top ends of the pull rods 10 are fixedly connected with the side walls of the upper template 4, and then when the upper template 4 is lifted, the second lifting plate 16 is driven to ascend through the pull rods 10 and the sliding frames 12, so that workpieces are continuously ejected by the inner ejector rod 15 to facilitate material withdrawal;
the top of the first ejector rod 5 and the top of the inner ejector rod 15 are both fixedly connected with a top plate 7, the bottom of the forming groove 8 is provided with a top plate groove 6 matched with the top plate 7, and the upper sea to the surface of the workpiece is reduced by increasing the contact area of each ejector rod and the workpiece;
a bump 20 is fixedly connected to the bottom of the pull rod 10, the bump 20 is slidably connected to the inside of the sliding frame 12, a first spring 11 is sleeved outside the bottom end of the pull rod 10, and the first spring 11 is located between the top of the bump 20 and the top of the inner cavity of the sliding frame 12, so that buffering is provided when the sliding frame 12 is driven by the pull rod 10 to ascend;
the combined length value of the first ejector rod 5 and the top plate 7 is equal to the distance value from the top of the cavity 19 to the top of the lower template 1, the length value of the inner ejector rod 15 is equal to the distance value from the top end of the first ejector rod 5 to the bottom of the first lifting plate 18, and the inner ejector rod 15 and the first ejector rod 5 are limited, so that the top of each top plate 7 can only reach a horizontal plane parallel to the top of the lower template 1;
the implementation mode is specifically as follows: because the bridge-shaped hardware is special in shape and inconvenient to return during stamping forming, the cavity 19 is formed in the bottom of the lower template 1, the first lifting plate 18 is arranged in the cavity 19, the first lifting plate 18 is automatically lifted through the telescopic rod 14 and the second spring 17 which are arranged at the bottom of the first lifting plate 18, the first ejector rod 5 and the second ejector rod 21 are arranged at the top of the first lifting plate 18, when the upper template 4 descends, the second ejector rod 21 and the inner ejector rod 15 are pressed downwards, the top plate 7 enters the top plate groove 6, a workpiece is stamped, after the stamping forming is finished, the upper template 4 ascends, the first lifting plate 18 automatically pushes the first ejector rod 5 and the second ejector rod 21 to ascend under the driving of the second spring 17, the workpiece is separated from the forming groove 8, and when the upper template 4 continuously ascends, the pull rods 10 around the upper template 4 slide in the sliding frame 12, the sliding frame 12 and the connecting frame 13 are driven to ascend through the first spring 11, so that the second lifting plate 16 is driven to drive the inner ejector rod 15 inside the second ejector rod 21 to continuously ascend, further the workpiece is continuously ejected out, the bottommost end of the workpiece reaches the position of the top of the lower template 1, and material returning is facilitated.
As shown in fig. 1-3, the utility model provides a material returning mold suitable for bridge-shaped hardware, the workpiece material returning mechanism 9 includes a push plate 23, the top of the back side of the lower template 1 is rotatably connected with a gear shaft 26, the bottoms of the two ends of the push plate 23 are fixedly connected with a horizontal rack 25, the two sides of the top of the lower template 1 are provided with chutes 2, the horizontal rack 25 is slidably connected with the inside of the chute 2, the bottom of the horizontal rack 25 is meshed with the top of the gear shaft 26, the back center position of the upper template 4 is fixedly connected with a vertical rack 24, one side of the vertical rack 24 close to the upper template 4 is meshed with one side of the gear shaft 26 far away from the lower template 1;
the length of the transverse rack 25 is greater than the width of the lower template 1, so that the transverse rack 25 is prevented from separating from the chute 2;
a push plate groove 22 is formed in one side, close to the vertical rack 24, of the bottom of the upper template 4, so that a placing space is provided for a push plate 23 when the upper template 4 descends to press the lower template 1;
the implementation mode is specifically as follows: the top of the lower template 1 is provided with the sliding groove 2, the transverse rack 25 is connected to the inside of the sliding groove 2, the transverse rack 25 can drive the push plate 23 to move at the top of the lower template 1, the gear shaft 26 is connected to one side of the lower template 1 in a rotating mode, the gear shaft 26 is meshed with the transverse rack 25, the vertical rack 24 is connected to one side of the upper template 4, the vertical rack 24 is meshed with the gear shaft 26, when the workpiece is formed, the upper template 4 is lifted, the vertical rack 24 is driven to drive the gear shaft 26 to rotate, the transverse rack 25 is driven to move in the sliding groove 2, and finally when the upper template 4 is lifted, the workpiece is pushed out by the workpiece ejection mechanism 3, the push plate 23 automatically pushes the workpiece to be away from the lower template 1 to perform a material returning process.
The utility model discloses the theory of operation:
referring to the description of the attached drawings 1-5, after the forming is finished, the upper template 4 rises, and at the moment, the first lifting plate 18 is driven by the second spring 17 to automatically push the first ejector rod 5 and the second ejector rod 21 to rise, so that the workpiece is separated from the forming groove 8, when the upper template 4 continuously rises, the sliding frame 12 and the connecting frame 13 are driven by the first spring 11 to rise, so that the second lifting plate 16 drives the inner ejector rod 15 inside the second ejector rod 21 to continue to rise, and further the workpiece is continuously ejected, so that the material can be conveniently returned;
referring to the attached drawings 1-3 of the specification, a gear shaft 26 is rotatably connected to the outer side of the lower template 1, the gear shaft 26 is connected to a transverse rack 25 in a sliding mode at the top of the lower template 1, the gear shaft 26 is meshed with the transverse rack 25, a vertical rack 24 is connected to one side of the upper template 4, the vertical rack 24 is meshed with the gear shaft 26, when the upper template 4 ascends, the vertical rack 24 is enabled to drive the gear shaft 26 to rotate, the transverse rack 25 is driven to move in the sliding groove 2, and after a workpiece is ejected, the push plate 23 is enabled to automatically push the workpiece to be far away from the lower template 1.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a material returned mould that is adapted to bridge shape hardware, includes lower bolster (1), its characterized in that: a forming groove (8) is formed in the center of the top of the lower template (1), a cavity (19) is formed in the bottom of the lower template (1), an upper template (4) is arranged above the lower template (1), a workpiece ejection mechanism (3) is arranged inside the cavity (19), and a workpiece returning mechanism (9) is arranged on one side of the lower template (1);
the workpiece ejection mechanism (3) comprises a first lifting plate (18), the tops of two ends of the first lifting plate (18) are fixedly connected with first ejector rods (5), the top ends of the first ejector rods (5) penetrate through the top of the lower template (1), and extends to the bottoms of two ends of the forming groove (8), a second ejector rod (21) is fixedly connected with the center position of the top of the first lifting plate (18), the top end of the second ejector rod (21) penetrates through the top of the lower template (1), and extends to the bottom of the central position of the forming groove (8), the second ejector rod (21) and the first ejector rod (5) are both connected with the lower template (1) in a sliding way, the four corners of the bottom of the first lifting plate (18) are fixedly connected with telescopic rods (14), the bottom end of the telescopic rod (14) is fixedly connected with the bottom side of the cavity (19), and a second spring (17) is sleeved outside the telescopic rod (14).
2. A material returning mould adapted to bridge hardware according to claim 1, wherein: the inside slip cover of second ejector pin (21) is equipped with interior ejector pin (15), the bottom of interior ejector pin (15) runs through second ejector pin (21) and first lifter plate (18) in proper order to fixedly connected with second lifter plate (16), the both ends fixedly connected with of second lifter plate (16) links frame (13), the both ends of linking frame (13) extend to the outside of cavity (19), just link top fixedly connected with carriage (12) at frame (13) both ends, the inside sliding connection of carriage (12) has pull rod (10), the top of pull rod (10) and the lateral wall fixed connection of cope match-plate pattern (4).
3. A material returning mould adapted to bridge hardware according to claim 2, wherein: the top of first ejector pin (5) and the equal fixedly connected with roof (7) in top of interior ejector pin (15), roof groove (6) with roof (7) complex are all seted up to the bottom in shaping groove (8).
4. A material returning mould adapted to bridge hardware according to claim 2, wherein: the bottom fixedly connected with lug (20) of pull rod (10), lug (20) sliding connection is in the inside of carriage (12), the outside cover of pull rod (10) bottom is equipped with first spring (11), first spring (11) are located between the top of lug (20) and the top of carriage (12) inner chamber.
5. A material returning mould adapted to bridge hardware according to claim 2, wherein: the combined length value of the first ejector rod (5) and the top plate (7) is equal to the distance value from the top of the cavity (19) to the top of the lower template (1), and the length value of the inner ejector rod (15) is equal to the distance value from the top end of the first ejector rod (5) to the bottom of the first lifting plate (18).
6. A material returning mould adapted to bridge hardware according to claim 1, wherein: work piece material returned mechanism (9) are including push pedal (23), gear shaft (26) have been connected in the dorsal top rotation of lower bolster (1), bottom fixedly connected with horizontal rack (25) at push pedal (23) both ends, spout (2) have been seted up to the both sides at lower bolster (1) top, horizontal rack (25) sliding connection with in the inside of spout (2), the bottom of horizontal rack (25) meshes with the top of gear shaft (26) mutually, dorsal central point of cope match-plate pattern (4) puts fixedly connected with vertical rack (24), vertical rack (24) are close to one side of cope match-plate pattern (4) and one side mesh that lower bolster (1) was kept away from in gear shaft (26).
7. A material returning mould suitable for bridge-shaped hardware as claimed in claim 6, wherein: the length of the transverse rack (25) is greater than the width of the lower template (1).
8. A material returning mould suitable for bridge-shaped hardware as claimed in claim 6, wherein: and a push plate groove (22) is formed in one side of the bottom of the upper template (4) close to the vertical rack (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538709.1U CN211276305U (en) | 2019-09-17 | 2019-09-17 | Material returning die suitable for bridge-shaped hardware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538709.1U CN211276305U (en) | 2019-09-17 | 2019-09-17 | Material returning die suitable for bridge-shaped hardware |
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| Publication Number | Publication Date |
|---|---|
| CN211276305U true CN211276305U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921538709.1U Active CN211276305U (en) | 2019-09-17 | 2019-09-17 | Material returning die suitable for bridge-shaped hardware |
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| Country | Link |
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| CN (1) | CN211276305U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101486A (en) * | 2021-11-04 | 2022-03-01 | 张乔 | Stamping die for hardware stamping part |
| CN114632886A (en) * | 2022-03-18 | 2022-06-17 | 合肥学院 | New energy automobile electric cabinet production and manufacturing equipment |
-
2019
- 2019-09-17 CN CN201921538709.1U patent/CN211276305U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101486A (en) * | 2021-11-04 | 2022-03-01 | 张乔 | Stamping die for hardware stamping part |
| CN114101486B (en) * | 2021-11-04 | 2023-12-19 | 合肥星隆金属制品有限公司 | Stamping die for hardware stamping part |
| CN114632886A (en) * | 2022-03-18 | 2022-06-17 | 合肥学院 | New energy automobile electric cabinet production and manufacturing equipment |
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