CN211564203U - Hydraulic compound die for fastener with inwards-oblique bent edge - Google Patents
Hydraulic compound die for fastener with inwards-oblique bent edge Download PDFInfo
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- CN211564203U CN211564203U CN201921804362.0U CN201921804362U CN211564203U CN 211564203 U CN211564203 U CN 211564203U CN 201921804362 U CN201921804362 U CN 201921804362U CN 211564203 U CN211564203 U CN 211564203U
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 15
- 238000004080 punching Methods 0.000 claims abstract description 86
- 238000005452 bending Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000002994 raw material Substances 0.000 claims description 35
- 238000003825 pressing Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model relates to a hydraulic compound die of a fastener which is bent obliquely inwards along the edge, which comprises a lower die holder; the upper die holder is connected with the lower die holder through a plurality of guide pillars; the blanking female die is fixedly arranged on the lower die base; the stretching and punching large-hole female die is fixedly connected to the lower die base and is positioned at the bottom in the blanking female die; the bending female die is fixedly arranged in the blanking female die, sleeved outside the stretching punching large-hole female die and contacted with the outer wall of the stretching punching large-hole female die, the outer edge of the upper surface of the bending female die inclines towards the contact part of the bending female die and the stretching punching large-hole female die, and the end part of the bending female die is provided with a small-hole punching male die moving relative to the bending female die; the pressure plate, the punch-die and the material pusher are sleeved in sequence from outside to inside, and the pressure plate, the punch-die and the material pusher are movably connected with the upper die base through the connecting assembly respectively. The structure is simple, the cost is low, the installation is convenient, and the structure is compact; the blanking, the stretching, the bending and the punching of the cylindrical part with the edge bent towards the bottom can be completed at one time, so the process is simple and the efficiency is high.
Description
Technical Field
The utility model relates to a mould processing technology field, concretely relates to inside crooked fastener hydraulic pressure compound mould in border.
Background
The workpiece is the most commonly used workpiece at present as shown in fig. 1, and when the workpiece is formed in the market at present, two sets of dies or a progressive die with a complex structure are used for the stamping forming process of bending a cylindrical part along the edge to the bottom, and the two processes are complex and have low efficiency. Therefore, a stamping and forming die for bending the cylindrical part inwards along the edge with simple process and high efficiency is urgently needed in the market.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a blanking, stretching, bending and punching compound die of a bent cylindrical part at the edge towards the bottom so as to meet the hydraulic compound die of a bent fastener at the edge, which has complex process and low efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme, a hydraulic compound die for fastener with inward oblique bending edge, which comprises
A lower die holder;
the upper die holder is connected with the lower die holder through a plurality of guide pillars and moves up and down relative to the lower die holder;
the blanking female die is fixedly arranged on the lower die base, and a raw material blank placed on the upper surface of the blanking female die is compacted through a pressure plate connected on the upper die base and falls into the blanking female die after being stamped through a convex-concave die connected on the upper die base;
the stretching and punching large-hole female die is fixedly connected to the lower die base and is positioned at the bottom in the blanking female die, a raw material blank falling into the blanking female die is pushed to the upper surface of the stretching and punching large-hole female die through a material pusher connected to the upper die base, and the raw material blank is punched through a large-hole punching male die fixedly connected to the material pusher;
the bending female die is fixedly arranged in the blanking female die, sleeved outside the stretching punching large-hole female die and contacted with the outer wall of the stretching punching large-hole female die, the upper surface of the bending female die is lower than that of the stretching punching large-hole female die, the outer edge of the upper surface of the bending female die inclines towards the contact part of the bending female die and the stretching punching large-hole female die, and the male and female die penetrates through the space between the blanking female die and the stretching punching large-hole female die and is contacted with the inclined part of the upper surface of the bending female die;
the end part of the bending female die is provided with a small hole punching male die which moves relative to the bending female die;
the material pressing plate, the punch-die and the material pusher are sequentially sleeved from outside to inside, and the material pressing plate, the punch-die and the material pusher are movably connected with the upper die base through the connecting assembly respectively.
The lower part of the upper die base is fixedly connected with a backing plate layer formed by an upper backing plate, a middle backing plate and a lower backing plate, and the pressure plate, the convex-concave die and the material pusher are respectively movably connected with the backing plate layer through a connecting assembly.
The connecting assembly comprises a pull rod and a compression spring, one end of the pressure plate, the punch-die and the material pusher is connected with the backing plate layer through the pull rod, the other end of the pressure plate, the punch-die and the material pusher are fixedly connected with the backing plate layer through the compression spring, the upper end of the pull rod is located in a slide hole formed in the backing plate layer and moves up and down in the slide hole, and the lower end of the pull rod is fixedly connected with the end of the pressure plate, the punch-die and the material pusher.
The both sides of punch and die are equipped with the slide that extends from the top down, and the slope slide intercommunication of the lower part of this slide and the upward extension of punch and die lower part, just the slope slide is perpendicular with the slope portion of crooked die upper surface, be equipped with first wedge slider in the slide, the exit position that the upper portion of this first wedge slider extends to the slide passes through wedge slider spring fixed connection with the upper die base, the lower extreme wedge face of first wedge slider contacts with the wedge face in the second wedge slider that is equipped with in the slope slide, the tip of towards the aperture terrace die extend to in the slope slide with be equipped with in the slope slide and with the baffle fixed connection of second wedge slider contact, be equipped with towards aperture terrace die reset spring in the slope slide, and should dash aperture terrace die reset spring cover on towards the aperture.
The material pushing device is characterized in that a mounting cavity is formed in the upper die base, a push plate is arranged in the mounting cavity, a second push rod is fixedly connected to the upper portion of the push plate, the upper end of the second push rod extends out of the upper die base, a first push rod is fixedly connected to the upper end of the material pusher, and the upper end of the first push rod extends into the mounting cavity to be in contact with the lower portion of the push plate.
The upper end cover of guide pillar is equipped with the guide pin bushing, and this guide pin bushing is fixed to be worn to establish on the upper die base, and this guide pillar can reciprocate along the guide pin bushing.
The upper padding plate, the middle padding plate and the lower padding plate are fixedly connected through a pin shaft, and the top of the pin shaft is fixedly connected with the upper die base.
The utility model has the advantages that: the structure is simple, the cost is low, the installation is convenient, and the structure is compact; the blanking, the stretching, the bending and the punching of the cylindrical part with the edge bent towards the bottom can be completed at one time, so the process is simple and the efficiency is high.
Drawings
FIG. 1 is a schematic view of a workpiece being machined using the present die;
fig. 2 is a schematic structural diagram of the present invention;
fig. 3 is a schematic view of the mounting structure of the small-hole punching male die of the utility model.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Examples
As shown in fig. 1, the workpiece is needed at present, and two sets of dies are used to manufacture the workpiece at present, which causes complex process and low efficiency;
the embodiment provides a hydraulic compound die of a fastener with an inward-inclined bent edge as shown in FIG. 2 for the workpiece, comprising
A lower die holder 25; as a base body of the whole die, is arranged corresponding to the upper die base,
the upper die holder 6 is connected with the lower die holder 25 through a plurality of guide pillars 11, and the upper die holder 6 moves up and down relative to the lower die holder 25; the number of the guide pillars 11 is determined according to the stability between the upper die holder and the lower die holder, specifically, a through hole is arranged on the upper die holder, a guide sleeve 10 is fixedly arranged in the through hole, the upper end of the guide pillar 11 penetrates through the guide sleeve 10, and the guide pillar 11 can move up and down along the guide sleeve 10; when the upper die base moves up and down, the driving device is the same as the driving device in the process of manufacturing a workpiece at present, and the driving device is fixedly connected with the upper die base when in use.
The lower end of the upper die holder 6 is fixedly connected with a backing plate layer consisting of an upper backing plate 5, a middle backing plate 4 and a lower backing plate 3 in sequence, the upper backing plate 5, the middle backing plate 4 and the lower backing plate 3 are fixedly connected through a pin shaft 31, the upper end of the pin shaft 31 is fixedly connected with the upper die holder 6, the other ends of the upper backing plate, the middle backing plate 4, the lower backing plate 3 and the upper die holder 6 are fixedly connected through studs, and the studs sequentially penetrate through the upper die holder 6, the upper backing plate 5, the middle backing plate 4 and the lower backing plate 3 to fixedly connect the upper die holder 6, the middle backing plate 4 and the;
the blanking female die 19 is fixedly arranged on the lower die base 25, and a raw material blank placed on the upper surface of the blanking female die 19 is compacted through the pressure plate 1 connected on the upper die base 6, is stamped through the convex-concave die 16 connected on the upper die base 6 and then falls into the blanking female die 19; the blanking groove 19 is fixedly connected with the lower die holder 25 through a countersunk head screw, the top of the blanking groove 19 is a horizontal plane, so that a raw material blank can be stably placed on the blanking groove 19, meanwhile, a through groove penetrating through the blanking groove 19 is arranged in the middle of the blanking groove 19, the width of the through groove is the same as that of the required raw material blank, specifically, when the blanking device is used, the upper die holder moves downwards relative to the lower die holder to drive the punch-die 16 and the pressure plate to move downwards, the pressure plate presses the raw material blank while the raw material blank is compacted, the punch-die 16 punches the raw material blank to cut the edge of the raw material blank, and the cut raw material blank falls into the blanking groove 19;
the stretching and punching large-hole female die 23 is fixedly connected to the lower die holder 25 and is positioned at the bottom in the blanking female die 19, the raw material blank falling into the blanking female die 19 is pushed to the upper surface of the stretching and punching large-hole female die 23 through the material pusher 15 connected to the upper die holder 6, and the raw material blank is punched through the large-hole punching male die 22 fixedly connected to the material pusher 15; the bottom of the stretching and punching large-hole female die 23 is fixedly connected with the lower die holder 25 through a countersunk screw, a large-hole blanking hole is formed in the middle of the stretching and punching large-hole female die 23, so that the large-hole punching male die 22 on the pusher 15 can punch holes in raw material blanks falling on the stretching and punching large-hole female die 23, specifically, the cut raw material blanks are pushed into the blanking groove 19 through the pusher and pushed to the top of the stretching and punching large-hole female die 23, and a large-hole punching male die 22 fixedly arranged at the lower end of the pusher 15 punches large holes in the raw material blanks;
the bending female die 21 is fixedly arranged in the blanking female die 19, the bending female die 21 is sleeved outside the stretching punching large-hole female die 23 and is in contact with the outer wall of the stretching punching large-hole female die 23, the upper surface of the bending female die 21 is lower than the upper surface of the stretching punching large-hole female die 23, the outer edge of the upper surface of the bending female die 21 inclines towards the contact part of the bending female die 21 and the stretching punching large-hole female die 23, and the punch-die 16 penetrates through the space between the blanking female die 19 and the stretching punching large-hole female die 23 and is in contact with the inclined part of the upper surface of the bending; the upper surface of the bending female die 21 is inclined inwards from the edge to form an inclined plane, the angle of the inclined plane is determined by the angle of the inclined planes on two sides of a workpiece required to be shown in figure 1, specifically, the bending female die 21 is fixedly arranged between the blanking female die and the stretching punching large hole female die 23, the bending female die 21 can be ensured to be lower than the stretching punching large hole female die 23, the raw material blank falling into the stretching punching large hole female die 23 is firstly bent for one time by 90 degrees in the descending process of the male and female die 16, and when the male and female die continues to descend, the end part of the male and female die punches the inclined plane for secondary bending on the two ends of the raw material blank subjected to the primary bending, so that the two times of bending of the raw material blank are synchronously realized;
the end part of the bending female die 21 is provided with a small hole punching male die 20 moving relative to the bending female die 21; after the two sides of the workpiece are punched and bent by the interaction of the bending female die 21 and the male and female die 16, punching small holes on the surfaces bent at the two sides by the small hole punching male die 20 to complete the punching of the small holes and the punching manufacture of the whole workpiece;
the pressure plate 1, the punch-die 16 and the material pusher 15 are sequentially sleeved from outside to inside, and the pressure plate 1, the punch-die 16 and the material pusher 15 are respectively and movably connected with the upper die base 6 through the connecting assembly.
When the material pressing plate 1, the convex-concave die 16 and the material pusher 15 are installed, the material pressing plate 1 is positioned on the outermost layer, so that the raw material blank placed on the blanking concave die 19 can be compacted under the driving of the upper die base, the accurate stamping can be ensured during the subsequent stamping, and the raw material blank can not be curled; the punch-die is positioned between the pressure plate 1 and the pusher 15, the punch-die can enter between the blanking die and the stretching and punching large-hole die 23, the end part of the lower part of the punch-die 16 is an inclined part matched with the inclined surface of the stretching and punching large-hole die 23, the lower section of the punch-die can be ensured to be in full contact with the stretching and punching large-hole die 23, the raw material blank is bent for the second time, the pusher 15 is positioned at the innermost layer, the punched raw material blank can be pushed onto the upper surface of the stretching and punching large-hole die 23, meanwhile, the punch-die is punched through the stretching and punching large-hole die 23, when the punch-die moves, the upper die base drives the punch-die 16 and the pusher 15 to simultaneously move downwards, the lower end of the punch-die is kept level with the lower end of the pusher, when the punched raw material blank is pushed onto the top of the stretching and punching large-hole die 23, the pusher 15 compacts, the punch-die 16 continues to move downwards, because the pusher 15 presses the middle part of the raw material blank, the punch-die 16 pushes the two sides of the raw material blank to move downwards to realize one-time bending, and simultaneously, the big hole punching punch 22 arranged on the pusher 15 performs big hole punching treatment on the raw material.
Specifically, during installation and connection, as shown in fig. 2, a backing plate layer formed by an upper backing plate 5, a middle backing plate 4 and a lower backing plate 3 is fixedly connected to the lower portion of the upper die holder 6, and the pressure plate 1, the punch-die 16 and the material pusher 15 are respectively movably connected with the backing plate layer through connecting components. The upper die base can be ensured to be thickened by adopting the backing plate layer, and the upper die base is protected without being thickened on the upper die base when the opening is connected;
the upper surface of one end of the pressure plate 1 is fixedly connected with a pull rod 2, the upper end of the pull rod 2 extends into a slide hole 26 arranged in the backing plate layer, meanwhile, the diameter of the top of the pull rod 2 is larger than that of the rod body, the top of the pull rod can be ensured to be clamped in the slide hole in the moving process and not to be separated from the slide hole, and the other side of the pressure plate 1 is fixedly connected with the lower backing plate 3 through a compression spring 12 (pressure plate spring);
one side of the punch-die 16 is fixedly connected with a punch-die pull rod (the same pull rod as the pull rod 12), the upper end of the punch-die pull rod is also positioned in a slide hole arranged right above the punch-die pull rod, and the other side of the punch-die pull rod is fixedly connected with a punch-die spring 13 (a compression spring);
as shown in fig. 2 and 3, the male and female dies 16 are provided at both sides thereof with slide rails 27 extending downward from above, and the lower portion of the slide way 27 is communicated with an inclined slide way 28 extending upwards from the lower portion of the punch and die 16, and the inclined slide 28 is perpendicular to the inclined part of the upper surface of the bending female die 21, a first wedge-shaped slide block 17 is arranged in the slide 27, the upper part of the first wedge-shaped slide block 17 extends to the outlet position of the slide way 27 and is fixedly connected with the upper die base 6 through a wedge-shaped slide block spring 14, the wedge surface at the lower end of the first wedge-shaped slide block 17 is contacted with the wedge surface in the second wedge-shaped slide block 18 arranged in the inclined slide way 28, the end of the piercing punch 20 extends into the inclined slide 28 and is fixedly connected with a stop 32 provided in the inclined slide 28 and in contact with the second wedge shoe 18, a small-hole punching punch return spring 29 is arranged in the inclined slide 28, and the small-hole punching punch return spring 29 is sleeved on the small-hole punching punch 20. When the punching machine works, the first wedge-shaped sliding block 17 pushes the second wedge-shaped sliding block to move downwards, the second wedge-shaped sliding block pushes the small hole punching male die to perform small hole punching operation, at the moment, the small hole punching male die return spring 29 is compressed, and after the punching operation is finished, the small hole punching male die return spring 29 drives the small hole punching male die to return.
The upper end of the material pusher 15 is fixedly connected with a first push rod 7 (pull rod 2), the upper part of the first push rod 7 extends into a mounting cavity 30 formed between the backing plate layer and the upper die base and is positioned below a push plate 9 arranged in the mounting cavity 30, a second push rod 8 is fixedly connected to the push plate 9, the upper part of the second push rod 8 penetrates through the upper die plate and extends outwards and is fixedly connected with a pushing mechanism arranged outside the upper die plate, the second push rod can be pushed to move downwards, the push plate is pushed to move downwards in the descending process of the second push rod, the push plate pushes the first push rod to drive the material pusher to move downwards, the driving mode of the material pusher is different from that of the other materials, and the large-hole impact force at the later stage can be ensured;
when the upper die base drives the material pressing plate 1 and the punch-die 16 to move downwards, the second push rod 7 drives the material pushing device to synchronously move downwards, when the material pressing plate presses the raw material blank on the upper surface of the blanking groove, the material pressing plate 1 stops moving, the upper die base continues to move downwards, the pull rod on one side of the material pressing plate is in the slide hole, the other side of the material pressing plate is connected through the compression spring, therefore, the upper die base cannot be influenced to move downwards, the punch-die continues to move downwards to punch the raw material blank, the punched raw material blank enters the stretching and punching large-hole concave die in the blanking groove under the driving of the material pushing device, at the moment, the material pushing device presses the punched raw material on the stretching and punching large-hole concave die, the punching large-hole punch performs punching treatment at the same time, the punch-concave die continues to move downwards, the two sides of the pressed raw material bend at 90 degrees, when the bottom, performing secondary bending treatment, wherein the upper die base moves downwards to push the wedge-shaped slide block spring to press downwards, when the wedge-shaped slide block spring is compressed to the maximum compression amount, the first wedge-shaped slide block is pushed to move downwards, the first wedge-shaped slide block drives the second wedge-shaped slide block to move downwards, and the small hole punching male die 20 is impacted to punch small holes on the secondary bending part;
the pressure flitch 1 and the punch and die 16 pass through the pull rod with one side of backing plate layer and are connected, and spring coupling is passed through to the opposite side, can guarantee that the upper die base can push down pressure flitch and punch and die when, can also guarantee pushing down the in-process, the pull rod slides in the slide opening, can not influence the descending purpose of upper die base.
When the punching die works, as shown in fig. 1, a large round hole is formed in the middle of the workpiece, the edge of the workpiece is bent towards the bottom of the workpiece, a plurality of small round holes are formed in the edge of the workpiece, the workpiece is difficult to form, namely, the edge of the workpiece is punched, and more than two sets of progressive dies or progressive dies with complex structures are usually needed.
As shown in fig. 2, during operation, the upper die base 6 descends, firstly, the blank is compacted under the action of the pressure plate 1 and the blanking female die 19, the upper die base continues to descend, blanking is carried out under the action of the punch-die 16 and the blanking female die 19, the upper die base 6 continues to descend, the blank is drawn under the action of the pusher 15, the punch-die 16 and the drawing female die 23, the large-hole punching punch 23 continues to approach the blank, the upper die base 6 continues to descend, the outer edge of the blank is bent inwards under the combined action of the punch-die 16, the drawing female die 23 and the bending female die 21, meanwhile, the large hole of the blank is punched under the action of the large-hole punching punch 22 and the drawing and large-hole punching female die 21, the upper die base continues to descend, the punch-die 16 does not descend any more, the upper die base pushes the second wedge-shaped slide block 18 to move downwards in the slide way through the first wedge-shaped slide block 17, the first wedge, the second wedge-shaped sliding block 18 pushes the small hole punching male die 20 to move obliquely downwards, and small holes are punched on the outer edge under the action of the small hole punching male die 20 and the bending female die 21 to finish final forming. The upper die base moves upwards, and the small hole punching male die 20 is withdrawn from the small hole at the edge of the workpiece under the action of the small hole punching return spring (see figure 3). And the upper die moves upwards, and when the upper die moves upwards to the initial position, the upper die is unloaded under the action of the pusher 15, so that the stamping work is finished.
The drawing and punching die 23 is lower than the blanking die 19 to avoid blanking the blank at the same time by the inner and outer double blades of the drawing and punching die
The above embodiments are merely examples of the present invention, and do not limit the protection scope of the present invention, and all designs the same as or similar to the present invention belong to the protection scope of the present invention.
Claims (7)
1. A hydraulic compound die for a fastener with an inward-inclined bent edge is characterized by comprising
A lower die holder (25);
the upper die holder (6), the upper die holder (6) is connected with the lower die holder (25) through a plurality of guide posts (11), and the upper die holder (6) moves up and down relative to the lower die holder (25);
the blanking female die (19) is fixedly arranged on the lower die base (25), and a raw material blank placed on the upper surface of the blanking female die (19) is compacted through a pressure plate (1) connected on the upper die base (6), is stamped through a convex-concave die (16) connected on the upper die base (6) and falls into the blanking female die (19);
the stretching and punching large-hole female die (23) is fixedly connected to the lower die holder (25) and is positioned at the bottom in the blanking female die (19), a raw material blank falling into the blanking female die (19) is pushed to the upper surface of the stretching and punching large-hole female die (23) through a material pusher (15) connected to the upper die holder (6), and the raw material blank is punched through a large-hole punching male die (22) fixedly connected to the material pusher (15);
the bending female die (21) is fixedly arranged in the blanking female die (19), is sleeved outside the stretching punching large-hole female die (23) and is in contact with the outer wall of the stretching punching large-hole female die (23), the upper surface of the bending female die (21) is lower than the upper surface of the stretching punching large-hole female die (23), the contact part of the bending female die (21) and the stretching punching large-hole female die (23) inclines outwards along the upper surface of the bending female die (21), and the male-female die (16) penetrates through the space between the blanking female die (19) and the stretching punching large-hole female die (23) and is in contact with the inclined part of the upper surface of the bending female die (21);
the end part of the bending female die (21) is provided with a small hole punching male die (20) moving relative to the bending female die (21);
the material pressing plate (1), the convex-concave die (16) and the material pusher (15) are sequentially sleeved from outside to inside, and the material pressing plate (1), the convex-concave die (16) and the material pusher (15) are respectively and movably connected with the upper die base (6) through the connecting assembly.
2. The hydraulic compound die for the fastener with the inward-inclined edge as claimed in claim 1, wherein a backing plate layer formed by an upper backing plate (5), a middle backing plate (4) and a lower backing plate (3) is fixedly connected below the upper die holder (6), and the pressure plate (1), the punch and die (16) and the material pusher (15) are respectively movably connected with the backing plate layer through connecting components.
3. The hydraulic compound die for the fastener with the inward-inclined edge is characterized in that the connecting assembly comprises a pull rod (2) and a compression spring (12), one end of the pressure plate (1), the punch and die (16) and the material pusher (15) is respectively connected with the backing plate layer through the pull rod (2), the other end of the pressure plate, the punch and die (16) and the material pusher (15) is fixedly connected with the backing plate layer through the compression spring (12), the upper end of the pull rod (2) is positioned in a sliding hole (26) formed in the backing plate layer and moves up and down in the sliding hole (26), and the lower end of the pull rod (2) is fixedly connected with the end parts of the pressure plate (1)/the punch and die (16)/the material pusher (15).
4. The hydraulic compound die for the inward-edge-bending fastener according to claim 1, wherein slide ways (27) extending from top to bottom are arranged on two sides of the punch-die (16), the lower parts of the slide ways (27) are communicated with inclined slide ways (28) extending upwards from the lower parts of the punch-die (16), the inclined slide ways (28) are perpendicular to the inclined parts of the upper surface of the bending die (21), first wedge-shaped sliders (17) are arranged in the slide ways (27), the upper parts of the first wedge-shaped sliders (17) extend to the outlet positions of the slide ways (27) and are fixedly connected with the upper die base (6) through wedge-shaped slider springs (14), the lower end wedge surfaces of the first wedge-shaped sliders (17) are in contact with the wedge surfaces in second wedge-shaped sliders (18) arranged in the inclined slide ways (28), and the end parts of the small-hole punching male die (20) extend into the inclined slide ways (28), and baffle plates (32) arranged in the inclined slide ways (28) and in contact with the second wedge-shaped sliders (18) ) The inclined slide way (28) is internally provided with a small hole punching male die return spring (29), and the small hole punching male die return spring (29) is sleeved on the small hole punching male die (20).
5. The hydraulic compound die for fasteners with inward-inclined edges as claimed in claim 1, wherein a mounting cavity (30) is provided in the upper die holder (6), a push plate (9) is provided in the mounting cavity (30), a second push rod (8) is fixedly connected to an upper portion of the push plate (9), an upper end of the second push rod (8) extends out of the upper die holder (6), a first push rod (7) is fixedly connected to an upper end of the pusher (15), and an upper end of the first push rod (7) extends into the mounting cavity (30) and contacts with a lower portion of the push plate (9).
6. The hydraulic compound die for inward-edge bending fasteners as claimed in claim 1, wherein the upper end of the guide post (11) is sleeved with a guide sleeve (10), the guide sleeve (10) is fixedly arranged on the upper die holder (6) in a penetrating manner, and the guide post (11) can move up and down along the guide sleeve (10).
7. The hydraulic compound die for the fastener with the inward-inclined edge as claimed in claim 2, wherein the upper backing plate (5), the middle backing plate (4) and the lower backing plate (3) are fixedly connected through a pin shaft (31), and the top of the pin shaft (31) is fixedly connected with the upper die holder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921804362.0U CN211564203U (en) | 2019-10-24 | 2019-10-24 | Hydraulic compound die for fastener with inwards-oblique bent edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921804362.0U CN211564203U (en) | 2019-10-24 | 2019-10-24 | Hydraulic compound die for fastener with inwards-oblique bent edge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211564203U true CN211564203U (en) | 2020-09-25 |
Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586760A (en) * | 2019-10-24 | 2019-12-20 | 徐州工业职业技术学院 | Hydraulic compound die for fastener with inwards-oblique bent edge |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586760A (en) * | 2019-10-24 | 2019-12-20 | 徐州工业职业技术学院 | Hydraulic compound die for fastener with inwards-oblique bent edge |
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Effective date of registration: 20240103 Address after: No. 5001, West Hongda Road, North Shou Electric Vehicle Industrial Park, West Ring Road, Feng County, Xuzhou City, Jiangsu Province, 221000 Patentee after: XUZHOU MINGZUN ELECTRICAL AND MECHANICAL CO.,LTD. Address before: No. 1 Xiangwang Road, Drum Tower District, Xuzhou, Jiangsu Patentee before: XUZHOU College OF INDUSTRIAL TECHNOLOGY |