CN213378823U - Automatic precision stamping die of pay-off - Google Patents
Automatic precision stamping die of pay-off Download PDFInfo
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- CN213378823U CN213378823U CN202021824884.XU CN202021824884U CN213378823U CN 213378823 U CN213378823 U CN 213378823U CN 202021824884 U CN202021824884 U CN 202021824884U CN 213378823 U CN213378823 U CN 213378823U
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Abstract
The utility model relates to the technical field of precision dies, in particular to a precision stamping die capable of automatic feeding; the punching die comprises a lower die holder, an upper die holder, a lower female die and an upper male die, wherein the lower female die is fixedly arranged at the center of the upper surface of the lower die holder, the upper female die is fixedly arranged at the center of the lower surface of the upper die holder, a plurality of punches are arranged on the lower surface of the upper male die, punched holes corresponding to each punch are formed in the upper surface of the lower female die, a convex body is connected to the left end surface of the lower die holder, and a feeding mechanism is arranged on the upper surface of the convex body; compared with the prior art, the utility model, its feeding mechanism need not to be equipped with power device and can realize autoloading to the pay-off rhythm is synchronous with whole punching press rhythm, and its feeding mechanism's novel structure, autoloading effect are excellent.
Description
Technical Field
The utility model relates to an accurate mould technical field specifically discloses an automatic pay-off's accurate stamping die.
Background
The stamping die is a die for directly processing metal or nonmetal materials into semi-finished products or finished products, and as the name suggests, the precision stamping die is a die for stamping and forming precision parts. At present, precision parts in electronic products such as computers, mobile phones and the like are all processed and molded through precision stamping dies. In the process of stamping and forming the precise parts, the steel coil to be stamped is loaded on the coil unloader used in cooperation with the stamping machine, and the rotation of the discharging roller on the coil unloader is controlled to realize automatic feeding. However, the diameter of the steel coil is gradually reduced in the coil unloading process, and the length of the fed steel coil is uneven when the discharging roller rotates at a constant speed to realize automatic feeding, so that the length of the fed steel coil is controlled by arranging an adjusting mechanism between the coil unloading machine and the punch press, and the whole precision stamping assembly line has more equipment and is easy to cause large deviation of precision parts obtained by molding due to uneven length of each feeding to influence the molding precision of the precision parts.
For example, the utility model discloses a patent number is CN 206898204U's utility model just discloses an autoloading's punching press slide wedge mould, it includes the upper die base, the die holder, slide wedge mechanism and automatic feed mechanism, the slide wedge mechanism is four, according to between even upper die base of circumference and the die holder, every slide wedge mechanism all includes the drive slide guide, the slide wedge supporting shoe, slide wedge slider and side pressure plastic are inserted, the drive slide guide is fixed at the upper die base lower surface, the slide wedge supporting shoe is triangle-shaped, the slide wedge supporting shoe is fixed in the upper die base top, the hypotenuse of slide wedge supporting shoe is equipped with the track, slide wedge slider passes through track portable connection with the slide wedge supporting shoe, the one side that the slide wedge slider was fixed down is inserted in the side pressure plastic, the tip that the side pressure plastic was inserted is inserted and. The utility model discloses a mould can realize automatic feed through the automatic feed mechanism who sets up, but its overall structure is complicated, needs motor drive moreover, and it has not only increased equipment cost, but also has increased the electric power cost. Therefore, aiming at the defects of the existing stamping die for automatic feeding, the design of the automatic feeding precision stamping die which does not need to be driven by a motor and has a simple structure is a technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a need not motor drive and simple structure's autoloading's accurate stamping die is a technical problem that remains to solve among the above-mentioned background art autoloading's stamping die's the aforesaid not enough.
The utility model discloses a realize through following technical scheme:
an automatic feeding precision stamping die comprises a lower die holder, an upper die holder, a lower female die and an upper male die, wherein the lower female die is fixedly arranged at the center of the upper surface of the lower die holder, the upper male die is fixedly arranged at the center of the lower surface of the upper die holder, a plurality of punches are arranged on the lower surface of the upper male die, punched holes corresponding to each punch are formed in the upper surface of the lower female die, a convex body is connected to the left end surface of the lower die holder, and a feeding mechanism is arranged on the upper surface of the convex body;
the feeding mechanism comprises two rotating seats fixed at the front end and the rear end of the upper surface of the convex body, an upper clamping roller and a lower clamping roller are symmetrically arranged between the two rotating seats from top to bottom, a feeding gap is reserved between the upper clamping roller and the lower clamping roller, cavities are formed in the front end of the upper clamping roller and the rear end of the lower clamping roller, shaft holes are formed in the front end surface of the upper clamping roller and the rear end surface of the lower clamping roller, a rotating shaft is arranged in each shaft hole, a one-way ratchet wheel is arranged on the rotating shaft in each cavity, a plurality of accommodating grooves are uniformly formed in the inner wall of each cavity at the position of the one-way ratchet wheel, a pawl matched with the one-way ratchet wheel is rotatably arranged in each accommodating groove, and the end of the rotating shaft penetrating through the rotating seats is connected with;
the left front end and the left rear end of the lower die holder are both provided with an oil pressure guide cylinder, the left front end and the left rear end of the upper die holder can both extend into a pressure guide rod in the oil pressure guide cylinder, a first piston is arranged in the oil pressure guide cylinder, the lower surface of the first piston is connected with a spring connected with the bottom wall of the oil pressure guide cylinder, the lower end surface of the oil pressure guide cylinder is connected with a hydraulic oil pipe, a piston cylinder is fixed on a convex body corresponding to the outer side of the rotating seat, the other end of the hydraulic oil pipe is communicated with the lower end surface of the corresponding piston cylinder, a second piston is arranged in the piston cylinder, a sealing space between the first piston and the second piston is filled with hydraulic oil, the upper surface of the second piston is connected with a rack, the upper surface of the piston cylinder is provided with a rectangular opening capable of extending out the rack, and the front end of the rack extends out the rectangular opening to be meshed with the, the rack at the rear end extends out of the rectangular opening to be meshed with the right tooth face of the corresponding transmission gear.
As a further arrangement of the above scheme, guide sleeves are arranged at the right front end and the right rear end of the lower die holder, and the right front end and the right rear end of the upper die holder can extend into guide posts in the guide sleeves.
As a further arrangement of the scheme, the front end and the rear end of the upper surface of the lower concave die are provided with telescopic guide keys.
As a further arrangement of the scheme, U-shaped mounting grooves are formed in the front end and the rear end of the lower die holder.
As a further arrangement of the scheme, six accommodating grooves are uniformly formed in the inner wall of the cavity, and the cross section of the pawl is arc-shaped.
The utility model discloses a precision stamping die is in stamping process, at the in-process that the upper die base pushed down, its pressure guide bar stretched into in the oil pressure guide cylinder, and pushed down first piston downwards along the oil pressure guide cylinder, at this moment because the effect of hydraulic oil, second piston in its piston cylinder was jack-up, and the rack that connects on the second piston was meshed with drive gear in the course of upward movement, but because the special cooperation of one-way ratchet and pawl, make upper clamping roller and lower clamping roller not receive drive gear's rotation and rotate; after punching is completed, in the process of the upper die holder, the first piston moves upwards under the action of the restoring force of the spring, the second piston moves downwards under the action of hydraulic oil, the rack and the transmission gear are in reverse transmission at the moment, and the upper clamping roller and the lower clamping roller synchronously rotate in a reverse direction due to the special matching of the one-way ratchet wheel and the pawl, so that the steel belt in the feeding gap can be fed between the upper male die and the lower female die, and automatic feeding is realized.
1. Compared with the prior art, the utility model, its feeding mechanism need not to be equipped with power device and can realize autoloading to the pay-off rhythm is synchronous with whole punching press rhythm, and its feeding mechanism's novel structure, autoloading effect are excellent.
2. The utility model provides a feeding mechanism, because its the distance of pushing down to first piston is the same to the in-process that the upper die base pushed down at every turn, then under the transmission between rack and drive gear, its steel band length of sending into at every turn is also the same, has realized the pay-off of fixed length promptly, and need not to set up adjustment mechanism between decoiler and punch press and be used for adjusting pay-off length, its simple structure, practicality are strong.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a three-dimensional structure of the present invention;
FIG. 2 is a three-dimensional structure diagram of the feeding mechanism of the present invention;
FIG. 3 is a plan view of the inside of the end of the upper or lower nip roll connected to the rotating shaft of the present invention;
FIG. 4 is a cross-sectional side plan view of the upper or lower nip rolls of FIG. 3;
fig. 5 is the internal plan view of the middle oil pressure guide cylinder, the piston cylinder, the hydraulic oil pipe, etc.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", and,
The terms "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like, refer to an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 5, in conjunction with the embodiments.
The utility model provides an automatic precision stamping die of pay-off, refer to figure 1, its major structure includes die holder 1, upper die base 2, lower die 3 and epirelief mould 4. The lower female die 3 is fixedly arranged at the center of the upper surface of the lower die holder 1, the upper male die 4 is fixedly arranged at the center of the lower surface of the upper die holder 2, a plurality of punches 401 are arranged on the lower surface of the upper male die 4, and a punch hole 301 corresponding to each punch 401 is formed in the upper surface of the lower female die 3.
Referring to fig. 1 and 2, a convex body 5 is connected to the left end surface of the lower die holder 1, and a feeding mechanism is arranged on the upper surface of the convex body 5. The feeding mechanism comprises two rotating seats 6 fixed at the front end and the rear end of the upper surface of a convex body 5, an upper clamping roller 7 and a lower clamping roller 8 are symmetrically arranged between the two rotating seats 6 from top to bottom, a feeding gap is reserved between the upper clamping roller 7 and the lower clamping roller 8, and a steel belt passes through the feeding gap in the stamping process.
Referring to fig. 3 and 4, cavities 9 are respectively formed in the front end of the upper clamping roller 7 and the rear end of the lower clamping roller 8, shaft holes (not labeled in the figures) are respectively formed in the front end surface of the upper clamping roller 7 and the rear end surface of the lower clamping roller 8, a rotating shaft 10 is arranged in each shaft hole, a one-way ratchet 11 is arranged on the rotating shaft in the cavity 9, a plurality of accommodating grooves 901 are uniformly formed in the inner wall of the cavity 9 at the position of the one-way ratchet 11, six accommodating grooves 901 are formed in the embodiment, a pawl 12 matched with the one-way ratchet 11 is rotatably arranged in each accommodating groove 901, and the cross section of each pawl 12 is arc-shaped; the outer end part of the rotating shaft 10 penetrating through the rotating seat 6 is connected with a transmission gear 13, and the rear end of the upper clamping roller 7 and the front end of the lower clamping roller 8 are rotatably connected with the corresponding rotating seat 6 through a convex shaft 14.
Referring to fig. 1 and 5, an oil pressure guide cylinder 15 is disposed at each of the left front end and the left rear end of the lower die holder 1, and a pressure guide rod 16 capable of extending into the oil pressure guide cylinder 15 is disposed at each of the left front end and the left rear end of the upper die holder 2. A first piston 151 is arranged in the hydraulic guide cylinder 15, a spring 17 connected with the bottom wall of the hydraulic guide cylinder 15 is connected to the lower surface of the first piston 151, and a hydraulic oil pipe 18 is connected to the lower end surface of the hydraulic guide cylinder 15. And piston cylinders 19 are fixed on the convex bodies 5 positioned on the outer sides of the corresponding rotating seats 6, the other ends of the hydraulic oil pipes 18 are communicated with the lower end surfaces of the corresponding piston cylinders 19, meanwhile, second pistons 20 are arranged in the piston cylinders 19, and hydraulic oil 21 is filled in sealed spaces between the first pistons 151 and the second pistons 20. The upper surface of the second piston 20 is connected with a vertically arranged rack 22, the upper surface of the piston cylinder 19 is provided with a rectangular opening (not marked in the figure) which can extend out of the rack 22, the rack 22 at the front end extends out of the rectangular opening to be meshed with the left tooth surface of the corresponding transmission gear 13 when the piston is arranged, and the rack 22 at the rear end extends out of the rectangular opening to be meshed with the right tooth surface of the corresponding transmission gear 13.
In addition, in order to ensure that the upper die holder 2 can be aligned with the lower die holder 1 during up-and-down movement, guide sleeves 23 are arranged at the right front end and the right rear end of the lower die holder 1, and guide posts 24 which can extend into the guide sleeves 23 are arranged at the right front end and the right rear end of the upper die holder 2. Meanwhile, in order to position the fed steel strip, telescopic guide keys 25 are arranged at the front end and the rear end of the upper surface of the lower female die 3.
Finally, in order to conveniently and quickly fixedly connect the lower die holder 1 with a working platform of a punching machine (not shown in the figure), U-shaped mounting grooves 26 are formed in the front end and the rear end of the lower die holder 1; the lower die holder 1 can be quickly fixed with the punching machine by arranging the fastening bolt in the U-shaped mounting groove 26.
The utility model discloses a concrete implementation is used and theory of operation:
the utility model discloses an autoloading's accurate stamping die can realize autoloading through the feeding mechanism who sets up. Firstly, in the process of pressing down the upper die holder 2 and the upper punch 4, the pressure guide rod 16 on the upper die holder 2 is pressed in from the top end of the oil pressure guide cylinder 15, then the first piston 151 in the oil pressure guide cylinder 15 is pushed downwards, at this time, the hydraulic oil 21 in the oil pressure guide cylinder 15 is pushed into the piston cylinder 19, the hydraulic oil 21 pushed into the piston cylinder 19 pushes the second piston 20 upwards along the piston cylinder 19, at this time, the rack 22 connected to the upper surface of the second piston 20 moves upwards, and the rack 22 can drive the transmission gear 13 to rotate when moving upwards, but because the one-way ratchet wheel 11 and the pawl 12 in the cavity 9 rotate at this time, the upper clamp roller 7 and the lower clamp roller 8 cannot rotate, that is, the steel strip cannot be fed in the process of pressing down.
After punching, the upper die base 2 and the upper male die 4 move upwards, the first piston 151 moves upwards under the restoring force of the spring 17, then the second piston 20 in the piston cylinder 19 moves downwards under the action of the hydraulic oil 21, the rack 22 moves downwards along with the second piston 20, the rotating shaft 10 and the one-way ratchet wheel 11 rotate in the opposite direction under the meshing action between the rack 22 and the transmission gear 13, the pawl 12 is clamped with the one-way ratchet wheel 11, the upper clamping roller 7 and the lower clamping roller 8 move in the opposite direction, and the steel strip in the feeding gap is fed between the lower female die 3 and the upper male die 4 for next punching forming. The feeding rhythm of the automatic feeding precise stamping die can be synchronous with the stamping rhythm, the independent driving of a power device is not needed, the length of the steel strip fed in each time is the same, and the automatic feeding effect is excellent and the practicability is high.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An automatic feeding precision stamping die comprises a lower die holder, an upper die holder, a lower female die and an upper male die, wherein the lower female die is fixedly arranged at the center of the upper surface of the lower die holder, the upper male die is fixedly arranged at the center of the lower surface of the upper die holder, a plurality of punches are arranged on the lower surface of the upper male die, and punched holes corresponding to each punch are formed in the upper surface of the lower female die;
the feeding mechanism comprises two rotating seats fixed at the front end and the rear end of the upper surface of the convex body, an upper clamping roller and a lower clamping roller are symmetrically arranged between the two rotating seats from top to bottom, a feeding gap is reserved between the upper clamping roller and the lower clamping roller, cavities are formed in the front end of the upper clamping roller and the rear end of the lower clamping roller, shaft holes are formed in the front end surface of the upper clamping roller and the rear end surface of the lower clamping roller, a rotating shaft is arranged in each shaft hole, a one-way ratchet wheel is arranged on the rotating shaft in each cavity, a plurality of accommodating grooves are uniformly formed in the inner wall of each cavity at the position of the one-way ratchet wheel, a pawl matched with the one-way ratchet wheel is rotatably arranged in each accommodating groove, and the end of the rotating shaft penetrating through the rotating seats is connected with;
the left front end and the left rear end of the lower die holder are both provided with an oil pressure guide cylinder, the left front end and the left rear end of the upper die holder can both extend into a pressure guide rod in the oil pressure guide cylinder, a first piston is arranged in the oil pressure guide cylinder, the lower surface of the first piston is connected with a spring connected with the bottom wall of the oil pressure guide cylinder, the lower end surface of the oil pressure guide cylinder is connected with a hydraulic oil pipe, a piston cylinder is fixed on a convex body corresponding to the outer side of the rotating seat, the other end of the hydraulic oil pipe is communicated with the lower end surface of the corresponding piston cylinder, a second piston is arranged in the piston cylinder, a sealing space between the first piston and the second piston is filled with hydraulic oil, the upper surface of the second piston is connected with a rack, the upper surface of the piston cylinder is provided with a rectangular opening capable of extending out the rack, and the front end of the rack extends out the rectangular opening to be meshed with the, the rack at the rear end extends out of the rectangular opening to be meshed with the right tooth face of the corresponding transmission gear.
2. The automatic feeding precision stamping die of claim 1, wherein the lower die holder is provided with guide sleeves at the front right end and the rear right end, and the upper die holder can extend into the guide posts in the guide sleeves at the front right end and the rear right end.
3. The automatic feeding precision stamping die of claim 1, wherein the front and rear ends of the upper surface of the lower die are provided with telescopic guide keys.
4. The automatic feeding precision stamping die of claim 1, wherein the lower die holder is provided with U-shaped mounting grooves at both the front and rear ends.
5. The automatic feeding precision stamping die of claim 1, wherein the inner wall of the cavity is uniformly provided with six receiving grooves, and the cross section of the pawl is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021824884.XU CN213378823U (en) | 2020-08-27 | 2020-08-27 | Automatic precision stamping die of pay-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021824884.XU CN213378823U (en) | 2020-08-27 | 2020-08-27 | Automatic precision stamping die of pay-off |
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| Publication Number | Publication Date |
|---|---|
| CN213378823U true CN213378823U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021824884.XU Active CN213378823U (en) | 2020-08-27 | 2020-08-27 | Automatic precision stamping die of pay-off |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787132A (en) * | 2021-11-17 | 2021-12-14 | 徐州瑞杰机械科技有限公司 | Stamping equipment for power distribution cabinet production and manufacturing |
-
2020
- 2020-08-27 CN CN202021824884.XU patent/CN213378823U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787132A (en) * | 2021-11-17 | 2021-12-14 | 徐州瑞杰机械科技有限公司 | Stamping equipment for power distribution cabinet production and manufacturing |
| CN113787132B (en) * | 2021-11-17 | 2022-02-01 | 徐州光海科技有限公司 | Stamping equipment for power distribution cabinet production and manufacturing |
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