Hardware product machining stamping device

Abstract

The invention belongs to the technical field of other metal machining machinery manufacturing, and particularly relates to a hardware product machining stamping device which comprises a lower die, sliding rods are installed at the four corners of the lower die, the four sets of sliding rods are slidably connected with an upper die, a pressing plate is arranged between the upper die and the lower die, guide columns are installed at the four corners of the pressing plate, and the guide columns are connected with the upper die in an inserted mode. The lower die is provided with a movable die plate, the movable die plate comprises two sets of bearing plates, sliding rails fixedly connected with the lower ends of the bearing plates, two sets of sliding grooves symmetrically formed in the lower die, the sliding rails are slidably connected with the sliding grooves, and the movable die is fixedly installed on the sliding rails. Through the arrangement of the first guide groove, the two sets of movable dies can be combined and separated, so that stamping and discharging of the U-shaped buckles are achieved, under the condition that rapid stamping is kept, the U-shaped buckles only fall into the discharging groove and cannot be scattered to the periphery of the device, and workers can conveniently collect the U-shaped buckles.

Description

Technical Field

[0001] The present invention belongs to the technical field of manufacturing other metal processing machinery, and specifically relates to a stamping device for processing hardware products. Background Art

[0002] The U-shaped buckle is formed by stamping at one time through a stamping device. The stamping device belongs to the manufacturing of metal processing machinery. The stamping device mainly consists of an upper die set and a lower die set. During stamping, the blank is placed between the upper die set and the lower die set, and by combining the upper die set and the lower die set, the blank is stamped into a U-shaped buckle.

[0003] The patent with the publication number CN221966571U discloses a stamping die for processing hardware products, including an upper die base and a lower die base. A sliding sleeve is fixedly installed on one side of the upper die base. The sliding sleeve is slidably connected to a sliding rod. The lower end of the sliding rod is hinged to a sliding seat. The lower end of the sliding seat is hinged to a slider. A second spring is arranged on one side of the slider. The other side of the slider is fixedly connected to a ejector rod. A first spring is sleeved on the ejector rod. One end of the ejector rod is fixedly connected to a ejector block. In this solution, when the upper die base presses down, it can push the upper die to stamp the lower die. At this time, the sliding seat can push the slider away from the lower die. When the part is stamped by the upper die and the lower die, the first spring can be pressured to give a continuous pushing force to the slider. When the upper die base rises, the first spring can push the slider to slide towards the lower die, so that the ejector block can eject the part, effectively reducing the use cost of the equipment.

[0004] In the above solution, the speed at which the ejector block ejects the part is controlled by the mold opening speed. If the mold opening speed is very fast, the ejector block will eject the part and fly it out, causing the stamped parts to scatter outside the mold, which is not convenient for the staff to collect. If the mold opening speed is slow, it can avoid the part being ejected and flying out, but it will reduce the production efficiency of the entire U-shaped buckle. Therefore, the present invention provides a stamping device for processing hardware products. Summary of the Invention

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0006] The technical solution adopted by the present invention to solve its technical problems is as follows: A stamping device for processing hardware products according to the present invention includes a lower die. Slide bars are installed at the four corners of the lower die. Four groups of slide bars are all slidably connected to the upper die. A pressure plate is arranged between the upper die and the lower die. Guide columns are installed at the four corners of the pressure plate. The guide columns are inserted into the upper die. A first spring is sleeved on the guide columns. An active template is arranged on the lower die. The active template includes two receiving plates. The two receiving plates are symmetrically distributed on both sides of the lower die. Slide rails fixedly connected to the lower ends of the receiving plates. Two groups of chutes are symmetrically opened on the lower die. The slide rails are slidably connected to the chutes. An active die fixedly installed on the slide rails. A blanking groove is arranged between the two chutes. Receiving brackets are symmetrically arranged on both sides of the upper die. A pin shaft is arranged at the end of the receiving bracket. A first guiding groove for guiding the movement of the active die is opened on the receiving plate. The pin shaft is located in the first guiding groove. The first guiding groove is composed of a first inclined groove and a first vertical groove; Through the setting of the first guiding groove, the two active dies can be combined and separated, so as to realize the stamping and blanking of U-shaped buckles. And under the condition of maintaining fast stamping, the U-shaped buckles will only fall into the blanking groove and will not scatter around the device, which is convenient for the staff to collect the U-shaped buckles.

[0007] Preferably, an installation groove is opened on the upper die. A feeding mechanism is movably installed in the installation groove. The feeding mechanism includes two guiding columns. The guiding columns are fixedly installed in the installation groove. A dialing rod slidably connected to the two guiding columns. The dialing rod is used for dialing the blank to feed. One end of a second spring is fixedly connected to the inner wall of the installation groove. The other end of the second spring is fixedly connected to the dialing rod. A limiting frame fixedly installed on one side of the upper end of the dialing rod. A hook for clamping the limiting frame is hinged on one side in the installation groove. A U-shaped elastic strip is arranged below the hook. One side of the U-shaped elastic strip is fixedly connected to the inner wall of the installation groove. A push rod for pushing the hook is arranged above the installation groove. A relief groove for guiding the movement of the dialing rod is also opened on the lower die. The relief groove includes an inclined surface and a rectangular groove; The setting of the feeding mechanism enables the upper die to feed the blank during the downward pressing process and ensures that the feeding length is equal each time, greatly saving the use amount of the photoelectric sensing system for measurement and positioning, and reducing the use cost of the device.

[0008] Preferably, the blank feeding rod includes a sliding seat, two groups of guide columns slidably connected to the sliding seat, a movable plate movably installed in the sliding seat, a cylinder fixedly installed on the sliding seat for pushing the movable plate, a rod fixedly connected to the lower end surface of the movable plate, four groups of correction plates inserted on the rod at equal angles, a push rod movably inserted into the rod, a third spring sleeved on the push rod, four groups of driving plates installed on the push rod at equal angles, the driving plates movably inserted into the correction plates, guide rails fixedly installed on both sides inside the sliding seat, two groups of guide rails slidably connected to both sides of the movable plate respectively, the other end of the second spring fixedly connected to one side of the sliding seat, a limit frame fixedly installed on the other side of the sliding seat, two groups of second guiding grooves opened on the correction plates, two fixed shafts fixedly installed on the driving plates, the two fixed shafts located in the two groups of second guiding grooves respectively, and the second guiding groove is composed of a second inclined groove and a second vertical groove; Since the outer diameter of the blank feeding rod can be automatically adjusted according to the position, the holes on the blank are prevented from being scratched and deformed by the blank feeding rod, and the yield of the product is improved.

[0009] The beneficial effects of the present invention are as follows: 1. Through the setting of the first guiding groove, the two movable molds can be combined and separated, so as to realize the stamping and blanking of the U-shaped buckle. And when maintaining rapid stamping, the U-shaped buckle will only fall into the blanking groove and will not scatter around the device, which is convenient for the staff to collect the U-shaped buckle.

[0010] 2. With the setting of the feeding mechanism, the upper mold realizes the feeding of the blank during the downward pressing process and ensures that the feeding length is equal each time, greatly saving the measurement and positioning usage of the photoelectric sensing system and reducing the use cost of the device.

[0011] 3. The outer diameter of the rod is smaller than the inner diameter of the hole on the blank, so it is very easy for the rod to pass through the hole on the blank and will not cause the hole to deform. When the lower end of the rod slides along the inclined surface, the rod drives the blank to move, and the cylinder keeps pushing the movable plate. Until the lower end of the rod slides to the intersection of the inclined surface and the rectangular groove, at this time, the pushing of the cylinder on the movable plate is released, and the rod will continue to move downward along the rectangular groove until the lower end of the rod is pushed by the bottom of the rectangular groove, causing the rod to push the movable plate and the push rod to move upward, and the movable plate slides along the guide rail, the movable plate compresses the third spring, and the push rod is squeezed by the top inside the sliding seat, causing the push rod to drive the four groups of driving plates to move downward. The driving plates drive the fixed shafts to slide along the second inclined groove first. Under the guidance of the second inclined groove, the four groups of correction plates slide out of the rod, and the correction plates abut against the inner ring of the hole on the blank, realizing the precise positioning of the blank feeding position and ensuring the accuracy of the blank feeding. Since the outer diameter of the blank feeding rod can be automatically adjusted according to the position, the holes on the blank are prevented from being scratched and deformed by the blank feeding rod, and the yield of the product is improved. Description of the Drawings

[0012] The present invention will be further described below with reference to the accompanying drawings.

[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0014] Figure 2 This is a schematic diagram of the structure assembly of the present invention.

[0015] Figure 3 This is a combined schematic diagram of the receiving frame, pin shaft and movable template of the present invention.

[0016] Figure 4 This is a schematic diagram of the sectional view of the structure of the present invention.

[0017] Figure 5 It is Figure 4 The enlarged view at position A in

[0018] Figure 6 This is a schematic diagram of the partial sectional view of the feeding mechanism of the present invention.

[0019] Figure 7 This is a combined sectional view of the lever, calibration plate, push rod and drive plate of the present invention.

[0020] Figure 8 It is Figure 7 The enlarged view at position B in

[0021] Figure 9 This is a combined schematic diagram of the lower die and the material pushing rod in the sectional view of the present invention.

[0022] In the figure: 1. Lower die; 11. Avoidance groove; 111. Inclined surface; 112. Rectangular groove; 12. Material discharging groove; 13. Sliding groove; 2. Slide bar; 3. Upper die; 301. Receiving frame; 302. Pin shaft; 303. Installation groove; 304. Hook; 305. U-shaped elastic bar; 4. Guide post; 5. First spring; 6. Pressure plate; 7. Movable template; 8. Blank; 9. Ejector rod; 10. Feeding mechanism; 701. Receiving plate; 702. Slide rail; 703. First guiding groove; 31. First inclined groove; 32. First vertical groove; 704. Movable die; 101. Material pushing rod; 102. Guide post; 103. Second spring; 104. Limiting frame; 1011. Slide seat; 121. Guide rail; 1012. Movable plate; 1013. Third spring; 1014. Cylinder; 1015. Lever; 1016. Calibration plate; 61. Second guiding groove; 611. Second inclined groove; 612. Second vertical groove; 1017. Push rod; 1018. Drive plate; 81. Fixed shaft. Detailed implementation manners

[0023] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0024] Embodiment 1: AsFigures 1 to 3 As shown in Figures 1 to 3 , a stamping device for processing hardware products according to an embodiment of the present invention includes a lower die 1. Slide bars 2 are installed at the four corners of the lower die 1. Four groups of slide bars 2 are all slidably connected to an upper die 3. A pressure plate 6 is arranged between the upper die 3 and the lower die 1. Guide columns 4 are installed at the four corners of the pressure plate 6. The guide columns 4 are inserted into the upper die 3. A first spring 5 is sleeved on the guide columns 4. An active template 7 is arranged on the lower die 1. The active template 7 includes two receiving plates 701. The two receiving plates 701 are symmetrically distributed on both sides of the lower die 1. Slide rails 702 fixedly connected to the lower ends of the receiving plates 701. Two groups of chutes 13 are symmetrically formed on the lower die 1. The slide rails 702 are slidably connected to the chutes 13. An active die 704 fixedly installed on the slide rails 702. A blanking chute 12 is arranged between the two groups of chutes 13. Receiving frames 301 are symmetrically arranged on both sides of the upper die 3. A pin shaft 302 is arranged at the end of the receiving frame 301. A first guiding groove 703 for guiding the movement of the active die 704 is formed on the receiving plate 701. The pin shaft 302 is located in the first guiding groove 703. The first guiding groove 703 is composed of a first inclined groove 31 and a first vertical groove 32.

[0025] Specifically, this device is installed on a stamping machine for use. In the initial state, the two sets of movable dies 704 are in a separated state. Before stamping the blank 8, six sets of holes are pre-drilled at the end of the blank 8. When manufacturing a U-shaped buckle, the blank 8 is laid on the lower die 1, and the end of the blank 8 is located between the two sets of movable dies 704. Then, the upper die 3 together with the pressure plate 6 is driven to move downward. The upper die 3 moves downward along the slide bar 2. At the same time, the upper die 3 drives the two sets of bearing frames 301 together with the corresponding pin shafts 302 to move downward. And the pin shafts 302 first slide along the first inclined groove 31. Under the guidance of the first inclined groove 31, the two sets of bearing plates 701 move towards each other. At the same time, the two sets of bearing plates 701 drive the two sets of slide rails 702 to slide along the chute 13. The two sets of slide rails 702 drive the two sets of movable dies 704 to move towards each other. When the pin shafts 302 slide to the intersection of the first inclined groove 31 and the first vertical groove 32, the two sets of movable dies 704 just merge. The pin shafts 302 will continue to slide downward along the first vertical groove 32 until the pressure plate 6 presses down on the blank 8. The upper die 3 continues to move downward along the guide post 4. The upper die 3 compresses the four sets of first springs 5. The rebounding force of the first springs 5 acts on the pressure plate 6 to fix the blank 8 through the pressure plate 6. After the blank 8 is fixed, the upper die 3 punches, cuts, and bends the blank 8 to manufacture the U-shaped buckle. Then, the upper die 3 is withdrawn. During the process of withdrawing the upper die 3, the pin shafts 302 pass through the first inclined groove 31 to separate the two sets of movable dies 704. The U-shaped buckle will directly fall into the blanking chute 12 to achieve the blanking of the U-shaped buckle. Compared with the prior art, through the setting of the first guiding groove 703, the two sets of movable dies 704 can be merged and separated, so as to achieve the stamping and blanking of the U-shaped buckle. And while maintaining fast stamping, the U-shaped buckle will only fall into the blanking chute 12 and will not scatter around the device, which is convenient for the staff to collect the U-shaped buckle.

[0026] Embodiment 2: As Figure 4 With Figure 5As shown, compared with the first comparative example, another implementation manner of the present invention is as follows: an installation groove 303 is formed in the upper die 3, and a feeding mechanism 10 is movably installed in the installation groove 303. The feeding mechanism 10 includes two sets of guide columns 102, the guide columns 102 are fixedly installed in the installation groove 303, a feeding rod 101 slidably connected to the two sets of guide columns 102, the feeding rod 101 is used for feeding the blank 8, one end of a second spring 103 is fixedly connected to the inner wall of the installation groove 303, the other end of the second spring 103 is fixedly connected to the feeding rod 101, a limiting frame 104 fixedly installed on one side of the upper end of the feeding rod 101, a hook 304 for clamping the limiting frame 104 is hinged on one side in the installation groove 303, a U-shaped elastic strip 305 is arranged below the hook 304, one side of the U-shaped elastic strip 305 is fixedly connected to the inner wall of the installation groove 303, a push rod 9 for pushing the hook 304 is arranged above the installation groove 303, and an avoidance groove 11 for guiding the movement of the feeding rod 101 is further formed in the lower die 1. The avoidance groove 11 includes an inclined surface 111 and a rectangular groove 112.

[0027] Specifically, the push rod 9 is fixed on the frame of the punching machine, and the rectangular groove 112 is designed as a through groove. For details, please refer to the appendix Figure 4, during the stamping process of the blank 8, the feeding of the blank 8 can only be achieved by adding a feeding device at the rear end. The feeding device requires a motor or a hydraulic rod to assist in increasing the power for feeding. Moreover, the cooperation between the feeding device and the stamping die requires a large number of photoelectric sensing systems, which increases the use cost of the stamping die and is not conducive to promotion. In the initial state, the ejector rod 9 presses the hook 304, and the U-shaped spring strip 305 is in a compressed state. During the downward movement of the upper die 3 together with the pressure plate 6, the hook 304 and the feeding rod 101 will move downward together with the upper die 3, releasing the extrusion of the ejector rod 9 on the hook 304. Under the action of the rebounding force of the U-shaped spring strip 305, the hook 304 flips upward until the hook 304 is perpendicular to the inner wall of the mounting groove 303. As the upper die 3 moves downward, the lower end of the feeding rod 101 will pass through the hole opened on the blank 8 until the lower end of the feeding rod 101 abuts against the inclined surface 111 in the avoidance groove 11. The lower end of the feeding rod 101 will slide obliquely downward along the inclined surface 111. At the same time, the limiting frame 104 will move along the guide post 102 towards the hook 304 along with the feeding rod 101, and the feeding rod 101 stretches the second spring 103. The feeding rod 101 drives the blank 8 to feed through the hole. When the lower end of the feeding rod 101 approaches the intersection of the inclined surface 111 and the rectangular groove 112, the limiting frame 104 will squeeze the end of the hook 304, causing the hook 304 to rotate downward, and the hook 304 compresses the U-shaped spring strip 305 until, under the action of the rebounding force of the U-shaped spring strip 305, the hook 304 is clamped to the limiting frame 104 to realize the limiting of the feeding rod 101. At this time, the lower end of the feeding rod 101 slides to the intersection of the inclined surface 111 and the rectangular groove 112, stopping the feeding of the blank 8, and the feeding rod 101 will continue to slide downward along the rectangular groove 112 until the above-mentioned stamping of the blank 8 is completed. When the upper die 3 is withdrawn, during the withdrawal process, the feeding rod 101 will move upward along the hole on the blank 8 until the feeding rod 101 disengages from the hole on the blank 8. Then the hook 304 will be pushed by the ejector rod 9 to release the limiting of the feeding rod 101. Under the action of the rebounding force of the second spring 103, the feeding rod 101 returns to the initial position, and then the above operations are cyclically repeated to realize the continuous feeding of the blank 8. The setting of the feeding mechanism 10 enables the upper die 3 to feed the blank 8 during the downward pressing process and ensures that the feeding length is equal each time, greatly saving the measurement and positioning usage of the photoelectric sensing system and reducing the use cost of the device.

[0028] As Figures 6 to 9As shown, the stock pushing rod 101 includes a sliding seat 1011, the sliding seat 1011 is slidably connected to two groups of guide columns 102, a movable plate 1012 movably installed in the sliding seat 1011, a cylinder 1014 fixedly installed on the sliding seat 1011 for pushing the movable plate 1012, a pushing rod 1015 fixedly connected to the lower end surface of the movable plate 1012, four groups of calibration plates 1016 inserted at equal angles on the pushing rod 1015, a push rod 1017 movably inserted into the pushing rod 1015, a third spring 1013 sleeved on the push rod 1017, four groups of driving plates 1018 installed at equal angles on the push rod 1017, the driving plates 1018 movably inserted into the calibration plates 1016, guide rails 121 fixedly installed on both sides inside the sliding seat 1011, two groups of guide rails 121 are respectively slidably connected to both sides of the movable plate 1012, the other end of the second spring 103 is fixedly connected to one side of the sliding seat 1011, a limit frame 104 is fixedly installed on the other side of the sliding seat 1011, two groups of second guiding grooves 61 are formed on the calibration plates 1016, two groups of fixed shafts 81 are fixedly installed on the driving plates 1018, the two groups of fixed shafts 81 are respectively located in the two groups of second guiding grooves 61, and the second guiding groove 61 is composed of a second inclined groove 611 and a second vertical groove 612.

[0029] Specifically, the rectangular groove 112 is designed as a non-through groove, see the appendix for details. Figure 9, to ensure the accuracy of the feeding length, the cooperation between the material pushing rod 101 and the hole of the blank 8 is very tight. However, burrs will appear on the edge of the hole produced by punching on the blank 8. When the lower end of the material pushing rod 101 passes through the hole, the outer circle of the material pushing rod 101 will rub against the burrs. If the frictional force is too large, it is easy to cause the hole to deform, resulting in defective U-shaped fasteners and increasing the defective rate of the products. In the initial state, the four groups of correction plates 1016 are retracted in the push rod 1015, and the outer diameter of the push rod 1015 is smaller than the inner diameter of the hole on the blank 8. Therefore, it is very easy for the push rod 1015 to pass through the hole on the blank 8 without causing the hole to deform. When the lower end of the push rod 1015 slides along the inclined surface 111, the push rod 1015 drives the blank 8 to move, and the air cylinder 1014 keeps pushing the movable plate 1012 until the lower end of the push rod 1015 slides to the intersection of the inclined surface 111 and the rectangular groove 112. At this time, the pushing of the movable plate 1012 by the air cylinder 1014 is released, and the push rod 1015 will continue to move downward along the rectangular groove 112 until the lower end of the push rod 1015 is pushed by the bottom of the rectangular groove 112, causing the push rod 1015 to push the movable plate 1012 and the push rod 1017 to move upward. And the movable plate 1012 slides along the guide rail 121, the movable plate 1012 compresses the third spring 1013, and the push rod 1017 is squeezed by the top inside the slide seat 1011, causing the push rod 1017 to drive the four groups of driving plates 1018 to move downward. The driving plate 1018 drives the fixed shaft 81 to slide along the second inclined groove 611 first. Under the guidance of the second inclined groove 611, the four groups of correction plates 1016 slide out of the push rod 1015, and the correction plates 1016 abut against the inner circle of the hole on the blank 8, realizing the precise positioning of the feeding position of the blank 8 and ensuring the accuracy of the feeding of the blank 8. The fixed shaft 81 slides from the second inclined groove 611 into the second vertical groove 612 until the stamping of the blank 8 is completed as described above. Since the outer diameter of the material pushing rod 101 can be automatically adjusted according to the position, it is avoided that the hole on the blank 8 is scratched and deformed by the material pushing rod 101, and the yield rate of the products is improved.

[0030] Working principle: Lay the blank 8 on the lower die 1, and the end of the blank 8 is located between the two sets of movable dies 704. Then drive the upper die 3 together with the pressure plate 6 to move downward. The upper die 3 moves downward along the slide bar 2. At the same time, the upper die 3 drives the two sets of bearing brackets 301 together with the corresponding pin shafts 302 to move downward. And the pin shaft 302 first slides along the first inclined slot 31. Under the guidance of the first inclined slot 31, the two sets of bearing plates 701 move towards each other. At the same time, the two sets of bearing plates 701 drive the two sets of slide rails 702 to slide along the chute 13. The two sets of slide rails 702 drive the two sets of movable dies 704 to move towards each other. When the pin shaft 302 slides to the intersection of the first inclined slot 31 and the first vertical slot 32, the two sets of movable dies 704 are just combined. The pin shaft 302 will continue to slide downward along the first vertical slot 32 until the pressure plate 6 presses down on the blank 8. The upper die 3 continues to move downward along the guide post 4. The upper die 3 compresses the four sets of first springs 5. The rebounding force of the first springs 5 acts on the pressure plate 6. The blank 8 is fixed by the pressure plate 6. After the blank 8 is fixed, the upper die 3 punches, cuts, and bends the blank 8 to manufacture the U-shaped buckle. Then withdraw the upper die 3. During the process of withdrawing the upper die 3, the pin shaft 302 will pass through the first inclined slot 31, separating the two sets of movable dies 704. The U-shaped buckle will directly fall into the blanking chute 12 to achieve the blanking of the U-shaped buckle; During the downward movement of the above-mentioned driving upper die 3 together with the pressure plate 6, the hook 304 and the blanking rod 101 will move downward together with the upper die 3, relieving the extrusion of the ejector rod 9 on the hook 304. Under the action of the rebounding force of the U-shaped elastic strip 305, the hook 304 will turn upward until the hook 304 is perpendicular to the inner wall of the mounting groove 303. As the upper die 3 moves downward, the lower end of the blanking rod 101 will pass through the hole formed in the blank 8 until the lower end of the blanking rod 101 abuts against the inclined surface 111 in the avoidance groove 11. The lower end of the blanking rod 101 will slide obliquely downward along the inclined surface 111. At the same time, the limit frame 104 will move along the guide post 102 in the direction of the hook 304 together with the blanking rod 101, and the blanking rod 101 will stretch the second spring 103. The blanking rod 101 drives the blank 8 to feed through the hole. When the lower end of the blanking rod 101 approaches the intersection of the inclined surface 111 and the rectangular groove 112, the limit frame 104 will squeeze the end of the hook 304, causing the hook 304 to rotate downward, and the hook 304 will compress the U-shaped elastic strip 305 until, under the action of the rebounding force of the U-shaped elastic strip 305, the hook 304 is clamped to the limit frame 104, realizing the limitation of the blanking rod 101. At this time, the lower end of the blanking rod 101 slides to the intersection of the inclined surface 111 and the rectangular groove 112, stopping the feeding of the blank 8, and the blanking rod 101 will continue to slide downward along the rectangular groove 112 until the above-mentioned stamping of the blank 8 is completed. When the upper die 3 is withdrawn, during the withdrawal process, the blanking rod 101 will move upward along the hole in the blank 8 until the blanking rod 101 disengages from the hole in the blank 8. Then, the hook 304 will be pushed by the ejector rod 9, releasing the limitation on the blanking rod 101. Under the action of the rebounding force of the second spring 103, the blanking rod 101 returns to its initial position, and then the above operations are repeated cyclically; The outer diameter of the lever 1015 is smaller than the inner diameter of the hole in the blank 8, so it is very easy for the lever 1015 to pass through the hole in the blank 8 without causing deformation of the hole. When the lower end of the lever 1015 slides along the inclined surface 111, the lever 1015 drives the blank 8 to move, and the air cylinder 1014 keeps pushing the movable plate 1012 until the lower end of the lever 1015 slides to the intersection of the inclined surface 111 and the rectangular groove 112. At this time, the pushing of the movable plate 1012 by the air cylinder 1014 is released, and the lever 1015 will continue to move downward along the rectangular groove 112 until the lower end of the lever 1015 is pushed by the bottom of the rectangular groove 112, causing the lever 1015 to push the movable plate 1012 and the push rod 1017 to move upward. And the movable plate 1012 slides along the guide rail 121, the movable plate 1012 compresses the third spring 1013, and the push rod 1017 is squeezed by the inner top of the slide seat 1011, causing the push rod 1017 to drive the four driving plates 1018 to move downward. The driving plate 1018 drives the fixed shaft 81 to slide along the second inclined groove 611 first. Under the guidance of the second inclined groove 611, the four correction plates 1016 slide out of the lever 1015, and the correction plates 1016 abut against the inner ring of the hole in the blank 8, realizing the precise positioning of the feeding position of the blank 8 and ensuring the accuracy of the feeding of the blank 8. The fixed shaft 81 slides from the second inclined groove 611 into the second vertical groove 612 until the stamping of the blank 8 is completed as described above.

[0031] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only used to illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A hardware product processing and stamping device, comprising a lower die (1), characterized in that: The four corners of the lower mold (1) are all equipped with sliding rods (2), and the four groups of sliding rods (2) are all slidably connected to the upper mold (3). A pressing plate (6) is arranged between the upper mold (3) and the lower mold (1). The four corners of the pressing plate (6) are all equipped with guide pillars (4), and the guide pillars (4) are plugged into the upper mold (3). A first spring (5) is sleeved on the guide pillars (4). A movable template (7) is arranged on the lower mold (1); The movable template (7) comprises two groups of receiving plates (701), and the two groups of receiving plates (701) are symmetrically distributed on both sides of the lower mold (1); A slide rail (702) is fixedly connected to the lower end of the receiving plate (701), two groups of slide grooves (13) are symmetrically provided on the lower mold (1), and the slide rail (702) is slidably connected to the slide grooves (13); A movable mold (704) is fixedly mounted on the slide rail (702), and a material discharge chute (12) is provided between the two groups of slide grooves (13); Support frames (301) are symmetrically arranged on both sides of the upper mold (3), and pin shafts (302) are arranged at the ends of the support frames (301). A first guide groove (703) for guiding the movement of the movable mold (704) is opened on the support plate (701), and the pin shaft (302) is located in the first guide groove (703). The first guide groove (703) consists of a first oblique groove (31) and a first vertical groove (32).

2. A hardware product processing and punching device according to claim 1, characterized in that: The upper mold (3) is provided with a mounting groove (303), a feeding mechanism (10) is movably mounted in the mounting groove (303), the feeding mechanism (10) comprises two groups of guide columns (102), and the guide columns (102) are fixedly mounted in the mounting groove (303); A material moving rod (101) slidably connected to the two sets of guide pillars (102), the material moving rod (101) being used to move the blank (8) for feeding; A second spring (103), one end of the second spring (103) being fixedly connected to the inner wall of the mounting groove (303), and the other end of the second spring (103) being fixedly connected to the material moving rod (101); A limiting frame (104) is fixedly mounted on one side of the upper end of the material moving rod (101).

3. A hardware product processing and punching device according to claim 2, characterized in that: A hook (304) for clamping the limiting frame (104) is hingedly connected to one side of the installation groove (303), and a U-shaped elastic bar (305) is arranged below the hook (304). One side of the U-shaped elastic bar (305) is fixedly connected to the inner wall of the installation groove (303).

4. A hardware product processing and punching device according to claim 3, characterized in that: A push rod (9) for pushing the hook (304) is provided above the installation groove (303).

5. A hardware product processing and punching device according to claim 4, characterized in that: The lower mold (1) is also provided with an avoidance groove (11) for guiding the movement of the material moving rod (101), and the avoidance groove (11) comprises an inclined surface (111) and a rectangular groove (112).

6. A hardware product processing and punching device according to claim 5, characterized in that: The material moving rod (101) comprises: A slide seat (1011), the slide seat (1011) being slidably connected to the two groups of guide posts (102); A movable plate (1012) movably mounted in the sliding seat (1011); A cylinder (1014) fixedly mounted on the slide seat (1011) and used for pushing the movable plate (1012); A lever (1015) fixedly connected to the lower end surface of the movable plate (1012); Four sets of correction plates (1016) plugged into the lever (1015) at equal angles; A push rod (1017) movably plugged into the shifting rod (1015); a third spring (1013) sleeved on the push rod (1017); Four sets of drive plates (1018) are mounted on the push rod (1017) at equal angles, and the drive plates (1018) are movably plugged into the correction plates (1016).

7. A hardware product processing and punching device according to claim 6, characterized in that: Guide rails (121) are fixedly installed on both sides of the slide seat (1011), and two sets of guide rails (121) are slidably connected on both sides of the movable plate (1012).

8. A hardware product processing and punching device according to claim 7, characterized in that: The other end of the second spring (103) is fixedly connected to one side of the slide seat (1011), and the limiting frame (104) is fixedly mounted on the other side of the slide seat (1011).

9. A hardware product processing and punching device according to claim 8, characterized in that: Two groups of second guide grooves (61) are formed on the correction plate (1016), and two groups of fixed shafts (81) are fixedly mounted on the drive plate (1018), wherein the two groups of fixed shafts (81) are respectively located in the two groups of second guide grooves (61).

10. A hardware product processing and punching device according to claim 9, characterized in that: The second guide groove (61) consists of a second oblique groove (611) and a second vertical groove (612).

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