CN221454064U - Progressive die for arc hardware - Google Patents

Abstract

The application relates to the technical field of hardware manufacture, in particular to a progressive die for arc hardware, which comprises an upper die frame, a lower die frame, a fixed die core, a fixed plate, a pressing plate, a control cylinder, a punching cutting assembly and a pushing assembly, wherein the upper die frame is connected with the lower die frame in a sliding way, the fixed die core is fixed on the lower die frame, a groove is formed in the fixed die core, the groove bottom of the groove is arranged in an arc shape, the fixed plate is fixed on the upper die frame, the pressing plate is connected to the fixed plate in a lifting way, the control cylinder is arranged on an external mounting frame, a piston rod of the control cylinder is fixedly connected with the top of the upper die frame, the punching cutting assembly is fixed on the fixed plate, the punching cutting assembly is used for punching and cutting hardware into single hardware, and the pushing assembly is fixed on the lower die frame and is used for pushing the hardware processed in the groove. The application has the beneficial effects of improving the processing efficiency of processing hardware and saving the cost.

Description

Progressive die for arc hardware

Technical Field

The application relates to the technical field of hardware manufacture, in particular to a progressive die for arc-shaped hardware.

Background

The hardware is a tool obtained by processing and casting metals such as gold, silver, copper, iron, tin and the like, and is used for fixing things, processing things, decorating and the like. In the manufacturing process of the hardware, a processing process of punching and cutting a long flat hardware bar into small arc-shaped hardware is generally performed by using a progressive die.

The common progressive die generally comprises a movable die core, a fixed die core, a pressing plate, a control cylinder, a punching assembly and a cutting assembly, wherein the movable die core is connected with the fixed die core in a sliding manner, a groove is formed in the fixed die core, the bottom of the groove is in an arc-shaped arrangement, an input end and an output end are arranged on the fixed die core, and the linear direction of the input end and the output end is the length direction of the groove. The pressing plate is connected to the movable die core in a lifting manner, the control cylinder is arranged on the external mounting frame, and a piston rod of the control cylinder is fixedly connected with the top of the movable die core. The stamping assembly is fixed on the movable die core, the metal strips are conveyed to the stamping assembly from the input end through the grooves, and the stamping assembly stamps the metal strips to form arc-shaped hardware. The cutting assembly is fixed on the movable die core, and a gap exists between the cutting assembly and the punching assembly. The punched arc-shaped hardware is continuously conveyed to the cutting assembly from the punching assembly, the cutting assembly cuts the punched arc-shaped hardware, and the cut arc-shaped hardware is conveyed and sent out from the output end of the fixed die core through the groove.

The prior art solutions described above have the following drawbacks: in the processing process of stamping and cutting the strip flat hardware strips into small arc-shaped hardware pieces, the hardware strips are required to be stamped into the arc-shaped hardware pieces, then cut, and then sent out along the length direction of the groove, step-by-step processing is time-consuming, the hardware strips are difficult to separate from the groove bottoms of the grooves after being stamped, and an external conveying mechanism needs larger driving force to convey, so that the cost is higher, and further improvement space is provided.

Disclosure of utility model

In order to improve the processing efficiency of processing hardware and save the cost, the application provides a progressive die for arc-shaped hardware.

The application provides a progressive die for arc hardware, which adopts the following technical scheme:

The utility model provides an arcuation progressive die for hardware, includes die carrier, lower die carrier, cover half benevolence, fixed plate, clamp plate, control cylinder, punching press and cuts the subassembly and push away the material subassembly, go up the die carrier with lower die carrier slides and connects, the cover half benevolence is fixed in down on the die carrier, set up flutedly on the cover half benevolence, the recess tank bottom is the arc setting, the fixed plate is fixed in on the die carrier, but the clamp plate elevating connection in on the fixed plate, control cylinder is used for installing on outside mounting bracket, control cylinder's piston rod with go up the top fixed connection of die carrier, the punching press cuts the subassembly and is fixed in on the fixed plate, the punching press cuts the subassembly and is used for punching press to cut into single hardware to the hardware strip, finish pushing away the material subassembly and be fixed in down on the die carrier, push away the material subassembly be used for with the hardware of recess internal processing is released.

Through adopting above-mentioned technical scheme, the hardware strip carries to recess department, die carrier sliding motion on the control cylinder control, make the fixed plate drive the punching press cut the subassembly and be close to the hardware strip and cut the hardware strip punching press, in the course of working with the hardware strip punching press of rectangular level and smooth hardware strip cut into the hardware of fritter arcuation, the punching press cuts the subassembly directly with the hardware strip punching press into arcuation hardware and cut into single arcuation hardware in step, one step is put in place, machining efficiency has been improved, die carrier sliding motion is kept away from to the control cylinder control die carrier again, the pushing component releases arcuation hardware from the recess again this moment, external conveying mechanism's power take off has been reduced, and conveying cost is reduced.

Preferably, the punching and cutting assembly comprises a punching block and a cutter, the difference between the length of the punching block and the length of the cutter is just equal to the height of the arc-shaped part of the arc-shaped hardware, the punching block and the cutter are arranged on the fixing plate at intervals side by side, the punching block is close to the outer side of the fixing plate, a first cambered surface is arranged at the bottom of the punching block, and the first cambered surface is consistent with the bottom of the groove in shape and size.

Through adopting above-mentioned technical scheme, the difference of the length of punching press piece and the length of cutter just equals the height of the arc portion of arcuation hardware, and when the punching press piece moved along with the fixed plate and punched the hardware strip, the cutter cuts the hardware strip in step, just cut when the punching press to the arcuation height of needs punching press and just cut and finish, punching press operation and cut the operation and go on in step, have improved machining efficiency.

Preferably, a guide rod is fixed on the pressing plate, the end part of the guide rod penetrates through the upper die frame, a reset spring is sleeved on the guide rod, and two ends of the reset spring are fixedly connected with the fixing plate and the pressing plate respectively.

Through adopting above-mentioned technical scheme, because the tip of guide bar runs through the die carrier for when the clamp plate compresses tightly on the gold bar, the clamp plate keeps motionless this moment, and reset spring compresses gradually, goes up the die carrier and can continue to move towards the cover half benevolence relative clamp plate, and when going up the die carrier and keeping away from the cover half benevolence, the clamp plate is kept away from the gold bar, and reset spring resets, thereby realizes the relative motion between clamp plate and the last die carrier, simple structure practices thrift the cost.

Preferably, a limit groove is formed in the fixed die core, and the wall of the limit groove is abutted against the side wall of the five-gold bar.

Through adopting above-mentioned technical scheme, spacing groove cell wall and the lateral wall butt of gold rod for the gold rod is difficult for the skew in the transportation process, has improved the stability of carrying.

Preferably, the pushing assembly comprises a driving cylinder and a pushing block, the driving cylinder is fixed on the lower die frame, the pushing block is fixed on a piston rod of the driving cylinder, and the pushing block is completely accommodated in the groove.

Through adopting above-mentioned technical scheme, after the clamp plate kept away from the cover half benevolence, drive cylinder drive ejector pad moved along recess length direction to release the hardware in the recess, so that the manufacturing of next arciform hardware.

Preferably, the device further comprises an ejection assembly, the ejection assembly comprises an ejection spring and an ejection column, a through hole is formed in the bottom of the groove, the ejection spring and the ejection column are accommodated in the through hole, one end of the ejection spring is fixed on the lower die frame, the other end of the ejection spring is fixedly connected with one end of the ejection column, and the other end of the ejection column protrudes out of the bottom of the groove.

Through adopting above-mentioned technical scheme, when the punching press piece carries out the punching press to the hardware strip, the bottom of five gold strips is impressed the spliced pole in the through-hole, and after the punching press is accomplished, ejection spring is ejecting with the hardware that the punching press is good, reduces the hardware and the condition emergence that the recess tank bottom glues and be difficult for breaking away from for push away the material subassembly better with the hardware release.

Preferably, the bottom of the pushing block is in an arc shape, and the shape and the size of the arc bottom of the pushing block are consistent with those of the arc bottom of the groove.

Through adopting above-mentioned technical scheme, the arc bottom of ejector pad is unanimous with the arc tank bottom shape size of recess for the arc position of hardware all can contact the ejector pad, all receives the thrust of ejector pad, is more easily by the release.

Preferably, a guide post is fixed on the lower die frame, a guide sleeve is fixed on the upper die frame, and the end part of the guide post is slidably arranged in the guide sleeve.

By adopting the technical scheme, the guide sleeve plays a guide role on the guide post, so that the upper die frame and the lower die frame slide more stably.

In summary, the present application includes at least one of the following beneficial technical effects: the metal strip is conveyed to the groove, the control cylinder controls the upper die frame to slide, the fixing plate drives the stamping and cutting assembly to be close to the metal strip and stamp and cut the metal strip, in the processing process of stamping and cutting the strip flat metal strip into small arc-shaped metal pieces, the stamping and cutting assembly directly stamps the metal strip into the arc-shaped metal pieces and cuts the metal strip synchronously into single arc-shaped metal pieces, one step is achieved, processing efficiency is improved, the control cylinder controls the upper die frame to slide away from the fixed die core, at the moment, the pushing assembly pushes the arc-shaped metal pieces out of the groove, power output of an external conveying mechanism is reduced, and conveying cost is lowered.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a progressive die for arc-shaped hardware according to an embodiment of the present application.

Fig. 2 is a schematic overall structure of another view of the progressive die for arc-shaped hardware according to the embodiment of the present application.

Fig. 3 is an enlarged partial schematic view of the portion a in fig. 2.

Fig. 4 is a schematic diagram showing the matching relationship of the removal pressing plate, the return spring and the fixed mold core of the progressive die for arc-shaped hardware according to the embodiment of the application.

Reference numerals illustrate: 1. a die carrier is arranged; 2. a lower die frame; 3. a fixed mould core; 4. a fixing plate; 5. a pressing plate; 6. a control cylinder; 7. punching and cutting the assembly; 71. stamping blocks; 72. a cutter; 8. a pushing component; 81. a driving cylinder; 82. a pushing block; 9. an ejection assembly; 91. an ejector spring; 92. a top column; 10. a groove; 11. a guide rod; 12. a return spring; 13. a limit groove; 14. a through hole; 15. a guide post; 16. and a guide sleeve.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a progressive die for arc hardware. Referring to fig. 1 and 2, a progressive die for arc-shaped hardware comprises an upper die frame 1, a lower die frame 2, a fixed die core 3, a fixed plate 4, a pressing plate 5, a control cylinder 6, a punching and cutting assembly 7, a pushing assembly 8 and an ejection assembly 9, wherein the upper die frame 1 and the lower die frame 2 are arranged at intervals in parallel in the vertical direction, the upper die frame 1 and the lower die frame 2 are both horizontally arranged, and the upper die frame 1 is slidably arranged above the lower die frame 2. The fixed die core 3 is fixed in the top of die carrier 2 down, and fixed die core 3 is the level setting, has seted up recess 10 on the fixed die core 3, and recess 10 cell wall runs through fixed die core 3 both sides, and the recess 10 tank bottom is the arc setting, is provided with input and output on the fixed die core 3, and the smooth five metals strip is carried to the output from the input, and the length direction of input and output sets up perpendicularly with the length direction of recess 10. The fixed plate 4 is fixed at the bottom of the upper die carrier 1, the pressing plate 5 is connected at the bottom of the fixed plate 4 in a lifting manner, and a gap is reserved between the pressing plate 5 and the fixed die core 3 for the hardware strip to pass through.

The control cylinder 6 is used for being installed on the external mounting frame, a piston rod of the control cylinder 6 is fixedly connected with the top of the upper die carrier 1, and the control cylinder 6 drives the upper die carrier 1 to slide so that the fixed plate 4 is close to or far away from the fixed die core 3. The punching press cuts the subassembly 7 and is fixed in on the fixed plate 4, has offered on the clamp plate 5 and has kept away the position hole and supply punching press to cut the subassembly 7 to pass, and when fixed plate 4 was close to cover half benevolence 3, clamp plate 5 was compressed tightly the hardware, goes up die carrier 1 and continues towards cover half benevolence 3 sliding motion for punching press cuts the subassembly 7 to the hardware strip and cuts into arciform hardware. The pushing component 8 is fixed on the lower die carrier 2, the lower die carrier 2 is provided with the ejection component 9, the ejection component 9 penetrates through the bottom of the groove 10, the ejection component 9 is located on one side of the pushing component 8, the control cylinder 6 drives the upper die carrier 1 to be away from the fixed die core 3 after punching and cutting are finished, so that the pressing plate 5 is away from the fixed die core 3, at the moment, the ejection component 9 ejects hardware so that the hardware is not easy to adhere to the bottom of the groove 10, and the pushing component 8 pushes out the processed hardware in the groove 10. The stamping and cutting operation is not needed to be performed step by step, and the processing efficiency is improved.

Further, the punching press cutting assembly 7 includes punching press piece 71 and cutter 72, and punching press piece 71 and cutter 72 interval side by side set up on fixed plate 4, and punching press piece 71 is close to the outside of fixed plate 4, and when fixed plate 4 moved towards cover half benevolence 3, punching press piece 71 moved along with fixed plate 4 and punching press the five metals strip, simultaneously, cutter 72 cuts the five metals strip in step. The bottom of the punching block 71 is provided with a first cambered surface, and the first cambered surface is consistent with the shape and the size of the bottom of the groove 10. The stamping block 71 and the bottom of the groove 10 jointly shape the hardware strip into an arc shape. The difference between the length of the punch block 71 and the length of the cutter 72 is exactly equal to the height of the arc portion of the arc-shaped hardware. When the hardware strip is stamped to the arc height to be stamped, the stamping operation and the cutting operation are synchronously performed, and the processing efficiency is improved.

Further, a guide rod 11 is fixed on the pressing plate 5, the end part of the guide rod 11 penetrates through the upper die carrier 1, a return spring 12 is sleeved on the guide rod 11, and two ends of the return spring 12 are fixedly connected with the fixing plate 4 and the pressing plate 5 respectively. When the fixed plate 4 moves towards the fixed die core 3, as the pressing plate 5 is connected with the fixed plate 4 through the reset spring 12, the pressing plate 5 can be pressed on the alloy strip along with the movement of the fixed plate 4, the pressing plate 5 is kept motionless after pressing, the reset spring 12 is gradually compressed, the upper die carrier 1 moves towards the fixed die core 3 relative to the pressing plate 5, and the punching block 71 and the cutter 72 move towards the alloy strip to finish punching and cutting operations. Then the control cylinder 6 controls the upper die carrier 1 to be far away from the fixed die core 3, the reset spring 12 is reset, and then the pressing plate 5 is far away from the alloy strip, so that the relative movement between the pressing plate 5 and the upper die carrier 1 is realized, the structure is simple, and the cost is saved.

Referring to fig. 2 and 3, the fixed mold core 3 is provided with a limiting groove 13, the length direction of the limiting groove 13 is perpendicular to the length direction of the groove 10, the hardware bar is completely accommodated in the limiting groove 13, the upper surface of the hardware bar is flush with the upper surface of the fixed mold core 3, so that the pressing plate 5 applies pressure to the hardware bar better, and the pressing plate 5 is stressed better than the hardware bar protrudes out of the limiting groove 13. The gold bars are conveyed along the length direction of the limiting groove 13, and the groove wall of the limiting groove 13 is abutted with the side wall of the gold bars. The groove wall of the limiting groove 13 plays a limiting role on the metal strips, so that the metal strips are not easy to deviate in the conveying process, and the conveying stability is improved.

Specifically, the pushing assembly 8 comprises a driving air cylinder 81 and a pushing block 82, the driving air cylinder 81 is fixed on the lower die frame 2, the pushing block 82 is fixed on a piston rod of the driving air cylinder 81, the pushing block 82 is completely accommodated in the groove 10, and the upper surface of the pushing block 82 is flush with the upper surface of the fixed die core 3. The bottom of the push block 82 is arranged in an arc shape, and the shape and the size of the arc bottom of the push block 82 are consistent with those of the arc bottom of the groove 10. After the pressing plate 5 is far away from the fixed die core 3, the driving cylinder 81 drives the push block 82 to move along the length direction of the groove 10, and the push block 82 applies thrust to the arc-shaped part of the hardware, so that the hardware is pushed out of the groove 10, and the next arc-shaped hardware is manufactured conveniently. Pushing out the hardware is achieved by driving the cylinder 81, which is more cost efficient than transporting hardware with an external high power motor.

Referring to fig. 3 and 4, the ejection assembly 9 includes an ejection spring 91 and an ejection post 92, the bottom of the groove 10 is provided with a through hole 14, and the ejection spring 91 and the ejection post 92 are accommodated in the through hole 14. One end of the ejection spring 91 is fixed on the lower die carrier 2, the other end of the ejection spring 91 is fixedly connected with one end of the ejection column 92, the ejection spring 91 and the ejection column 92 are vertically arranged, the other end of the ejection column 92 protrudes out of the bottom of the groove 10, and an inclined plane is arranged on one side of the ejection column 92, which is close to the push block 82. When the stamping block 71 stamps the metal strip, the bottom of the metal strip presses the ejector post 92 into the through hole 14, and after stamping, the stamped metal piece is ejected by the ejection spring 91, and at this time, the driving cylinder 81 drives the pushing block 82 to move towards the metal piece. When the bottom of the push block 82 contacts the inclined surface, the inclined surface is forced to enable the top column 92 to retract into the through hole 14, and the push block 82 pushes the hardware out of the groove 10.

On the other hand, a guide post 15 is fixed on the lower die carrier 2, a guide sleeve 16 is fixed on the upper die carrier 1, the inner diameter of the guide sleeve 16 is consistent with the outer diameter of the guide post 15, the inner side wall of the guide sleeve 16 is in contact with the outer side wall of the guide post 15, and the end part of the guide post 15 is slidably arranged in the guide sleeve 16. The guide sleeve 16 plays a guide role on the guide post 15, so that the upper die carrier 1 and the lower die carrier 2 slide more stably.

The implementation principle of the progressive die for the arc-shaped hardware provided by the embodiment of the application is as follows:

The gold bar is conveyed to the groove 10 along the length direction of the limit groove 13, the control cylinder 6 drives the upper die carrier 1 to slide so that the fixed plate 4 is close to the fixed die core 3, the pressing plate 5 can be pressed on the gold bar along with the movement of the fixed plate 4, the pressing plate 5 is kept motionless after pressing, the reset spring 12 is gradually compressed, the upper die carrier 1 moves towards the fixed die core 3 relative to the pressing plate 5 continuously, and the punching block 71 and the cutter 72 move towards the gold bar to finish punching and cutting operations. When the stamping block 71 stamps the metal strip, the bottom of the metal strip presses the posts 92 into the through holes 14. After stamping is finished, the control cylinder 6 controls the upper die carrier 1 to be far away from the fixed die core 3, the reset spring 12 resets, and then the pressing plate 5 is far away from the alloy strip. At this time, the ejector spring 91 ejects the punched hardware, and the driving cylinder 81 drives the push block 82 to move along the length direction of the groove 10 toward the hardware. When the bottom of the push block 82 contacts the inclined plane, the inclined plane is applied with force to enable the top column 92 to retract into the through hole 14, and the push block 82 applies thrust to the arc-shaped part of the hardware, so that the hardware is pushed out of the groove 10, and the manufacture of the next arc-shaped hardware is facilitated.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The utility model provides a progressive die for arc hardware which characterized in that: including last die carrier (1), lower die carrier (2), cover half benevolence (3), fixed plate (4), clamp plate (5), control cylinder (6), punching press cut subassembly (7) and pushing component (8), go up die carrier (1) with lower die carrier (2) slide and be connected, cover half benevolence (3) are fixed in on lower die carrier (2), set up flutedly (10) on cover half benevolence (3), recess (10) tank bottom is the arc setting, fixed plate (4) are fixed in on last die carrier (1), clamp plate (5) liftable connect in on fixed plate (4), control cylinder (6) are used for installing on the outside mounting bracket, the piston rod of control cylinder (6) with go up the top fixed connection of die carrier (1), punching press cut subassembly (7) be fixed in on fixed plate (4) five metals cut subassembly (7) are used for cutting into individual piece to punching press, push away material subassembly (8) in lower die carrier (2) are used for pushing out five metals piece (10) in finishing the recess.

2. The progressive die for arc-shaped hardware according to claim 1, wherein: the punching press cutting assembly (7) comprises a punching block (71) and a cutter (72), the difference between the length of the punching block (71) and the length of the cutter (72) is just equal to the height of an arc-shaped part of the arc-shaped hardware, the punching block (71) and the cutter (72) are arranged on the fixed plate (4) at intervals side by side, the punching block (71) is close to the outer side of the fixed plate (4), a first cambered surface is arranged at the bottom of the punching block (71), and the first cambered surface is consistent with the bottom shape and the size of the groove (10).

3. The progressive die for arc-shaped hardware according to claim 1, wherein: the clamp plate (5) is fixed with guide bar (11), the tip of guide bar (11) runs through go up die carrier (1), the cover is equipped with reset spring (12) on guide bar (11), reset spring (12) both ends respectively with fixed plate (4) with clamp plate (5) fixed connection.

4. The progressive die for arc-shaped hardware according to claim 1, wherein: and the fixed die core (3) is provided with a limiting groove (13), and the groove wall of the limiting groove (13) is abutted with the side wall of the five-gold bar.

5. The progressive die for arc-shaped hardware according to claim 1, wherein: the pushing assembly (8) comprises a driving air cylinder (81) and a pushing block (82), the driving air cylinder (81) is fixed on the lower die frame (2), the pushing block (82) is fixed on a piston rod of the driving air cylinder (81), and the pushing block (82) is completely accommodated in the groove (10).

6. The progressive die for arc-shaped hardware according to claim 1, wherein: still include ejecting subassembly (9), ejecting subassembly (9) include ejection spring (91) and jack-prop (92), through-hole (14) have been seted up to recess (10) tank bottom, ejection spring (91) with jack-prop (92) holding in through-hole (14), the one end of ejection spring (91) is fixed in on lower die carrier (2), the other end of ejection spring (91) with the one end fixed connection of jack-prop (92), the other end protrusion of jack-prop (92) recess (10) tank bottom.

7. The progressive die for arc-shaped hardware as claimed in claim 5, wherein: the bottom of the pushing block (82) is in an arc shape, and the shape and the size of the arc bottom of the pushing block (82) are consistent with those of the arc bottom of the groove (10).

8. The progressive die for arc-shaped hardware according to claim 1, wherein: the lower die carrier (2) is fixedly provided with a guide post (15), the upper die carrier (1) is fixedly provided with a guide sleeve (16), and the end part of the guide post (15) is slidably arranged in the guide sleeve (16).