High-precision die for oil-free stamping

Abstract

The utility model discloses a high-precision die for oil-free stamping, which comprises a supporting seat, a lower die is arranged on the supporting seat, a lifting seat is connected onto the supporting seat through a supporting rod, an upper die is arranged below the lifting seat, a sleeve is sleeved at the upper end of the supporting rod, and a first spring is arranged on the outer side of the supporting rod. A punch is installed at the bottom of the upper die, a die hole is formed in the lower die, and an ejection assembly is arranged at the bottom of the lower die. According to the high-precision die for oil-free stamping, due to the fact that the precision of the upper die body and the precision of the lower die body are high, lubricating oil does not need to be added for stamping assistance on the whole, the maintenance cost and potential safety hazards caused by use of the lubricating oil are reduced, a first spring on the outer side of a lifting base is buffered, and the problem that a workpiece deforms due to the fact that the spring is installed in a die hole is solved; the problem that the design is complex due to the fact that the internal space of the die hole is occupied is solved, maintenance operation is convenient, and the overall stamping stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping related technical field, concretely is a kind of high-precision die for oilless stamping. BACKGROUND

[0002] Die is the tool for batch production molding article, it is usually used to process raw material into the component of specific shape, therefore, die plays a vital role in industrial production, it ensures the consistency and high quality of product by accurate design and manufacture, but the existing die still has certain defects when using, in the use process, workpiece stamping is completed, workpiece is taken out manually, lead to processing efficiency reduction, and overall take out operation is dangerous, increase the security risk of work.

[0003] In order to overcome the above-mentioned defects, prior art 1 (application number 202022074857.1, application date 2020-09-21 of Chinese patent) a gauge baffle whole stamping forming cold work die, including upper fixed base and lower fixed base, the top of the upper fixed base is provided with connecting groove, the inside of the connecting groove is fixedly connected with fixed sleeve, the top of the lower fixed base is fixedly connected with slide column, the bottom of the upper fixed base is fixedly connected with stamping head, the top of the upper fixed base is fixedly connected with connecting piece, the top of the lower fixed base is fixedly connected with concave die table, the top of the concave die table is provided with die groove, the inside of the die groove is fixedly connected with two side blocks, the opposite side of two side blocks is provided with limiting groove, by rebound adjustment, worker does not need to take out product manually, improve the processing efficiency of gauge baffle, and effectively make worker work reach the purpose of safety.

[0004] Although prior art does not need to take out product manually, in the working process, workpiece is ejected by the rebound action of buffer spring and limit spring, the use of multiple springs not only increases manufacturing and assembly cost, but also makes maintenance more difficult, and in the use process, spring can cause unstable stamping, thereby affecting the shape and quality of product, spring is arranged in the punching hole, not only occupies the limited space of die, increases design complexity, and spring cannot be uniformly stressed in the punching hole, can cause deformation or failure, thereby affecting the stability of entire stamping system.

[0005] In view of the above problems, it is urgent to make innovative design on the basis of original high-precision die for oilless stamping, therefore we propose that high-precision die for oilless stamping can well solve the above problems. INVENTION CONTENTS

[0006] The utility model discloses a high-precision die for oil -free stamping provides, to solve the problem of the rebound effect of buffer spring and limit spring in the current market and take out workpiece, the use of multiple springs not only increases the manufacturing and assembly cost, but also makes maintenance more difficult, and in the use process, spring can cause unstable stamping, thereby influence the shape and quality of product, set up spring in the punching, not only occupies the limited space of die, increases the design complexity, and spring can not be evenly distributed stress in the punching, can cause deformation or failure, thereby influence the stability of whole stamping system problem.

[0007] In order to realize above-mentioned purpose, the utility model provides following technical scheme: a high-precision die for oil -free stamping, including the support seat of setting, the lower mould is set up on the support seat, the lifting seat is connected through the support rod on the support seat, the upper mould is set up under the lifting seat, the sleeve is set up on the support rod upper end, the first spring is set up on the support rod outside, the punch is installed at the upper mould bottom, the mould hole is seted up on the lower mould, the ejector assembly is seted up at the lower mould bottom.

[0008] Preferably, the ejector assembly includes an ejector plate mounted on the bottom of the lower mold, a lifting rod is arranged below the ejector plate, the lifting rod is connected through the support seat inside, a lifting plate is arranged at the bottom of the lifting rod, and a second spring is arranged outside the lifting rod.

[0009] Preferably, the support seat side end is provided with an auxiliary assembly, the auxiliary assembly includes a storage box mounted on the side end of the support seat, a double-shaft motor is arranged inside the storage box, and a first screw rod is connected to the first output end of the double-shaft motor.

[0010] Preferably, the first screw rod outside is provided with a moving block, the first guide rod is connected through the inside of the moving block, the first guide rod is installed in the storage box, and the push plate is arranged on the upper end of the moving block.

[0011] Preferably, the lower mould side end is provided with a guide plate, the guide plate is connected on the support seat through a buffer column, and the guide plate end is provided with a collection box.

[0012] Preferably, the support seat side end is provided with a conveying part, the air bag is connected through the hose at the output end of the conveying part, the air bag output end is connected through the hose with the spray head, and the spray head is located on the lifting seat.

[0013] Preferably, the second output end of the double-shaft motor is connected with a second screw rod, the second screw rod outside is provided with a pressing plate, and the pressing plate is in contact with the air bag after moving.

[0014] Preferably, the second guide rod is connected through the inside of the pressing plate, and the second guide rod is installed in the storage box.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the high-precision die for oil-free stamping, because the precision of the upper die and the lower die is high, so the whole does not need to add lubricating oil for stamping assistance, reduces the maintenance cost and the security risk caused by the use of lubricating oil, the first spring outside the lifting seat buffers, reduces the problem of workpiece deformation caused by installing the spring in the die hole, not only reduces the problem of design complexity caused by occupying the internal space of the die hole, but also facilitates maintenance operation, improves the stability of the whole stamping, and the specific contents are as follows:

[0016] (1) the first spring outside the lifting seat buffers, reduces the problem of workpiece deformation caused by installing the spring in the die hole, not only reduces the problem of design complexity caused by occupying the internal space of the die hole, but also facilitates maintenance operation, improves the stability of the whole stamping;

[0017] (2) the punch on the upper die cooperates with the die hole of the lower die, because the precision of the upper die and the lower die is high, so the whole does not need to add lubricating oil for stamping assistance, not only avoids the pollution problem caused by lubricating oil, but also improves the cleanliness of the stamping environment;

[0018] (3) the push plate on the moving block facilitates pushing the ejected workpiece, so that the workpiece is conveyed to the collecting box through the guide plate, the whole facilitates automatic conveying and collecting of the workpiece after stamping, reduces the manual handling link, and improves the production efficiency;

[0019] (4) the conveying piece transmits gas to the air bag, and the air bag transmits gas to the spray head, facilitating cleaning operation of the lower die and the upper die, reducing the problem of affecting the precision of the die caused by the debris generated by stamping, improving the stamping quality next time, and prolonging the service life of the die;

[0020] (5) the second output end of the double-shaft motor drives the second screw to rotate, reducing the problem of increasing cost caused by setting more driving structures, extruding the air bag to change the gas flow rate in the air bag, improving the overall cleaning efficiency, and reducing the equipment cost. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall structure schematic diagram of the utility model;

[0022] Figure 2 It is the structure schematic diagram of the utility model after the lifting seat moves;

[0023] Figure 3 It is the overall right view structure schematic diagram of the utility model;

[0024] Figure 4It is the overall left view structure schematic diagram of the utility model.

[0025] Figure 5 It is the lower die cutting structure schematic diagram of the utility model.

[0026] Figure 6 It is the storage box internal structure schematic diagram of the utility model.

[0027] Figure 7 It is the double-shaft motor and first screw connecting structure schematic diagram of the utility model.

[0028] In the figure: 1, support seat; 2, lower die; 3, support rod; 4, sleeve; 5, lifting seat; 6, first spring; 7, upper die; 8, punch; 9, die hole; 10, ejection plate; 11, lifting rod; 12, lifting plate; 13, second spring; 14, storage box; 15, double-shaft motor; 16, first screw; 17, moving block; 18, first guide rod; 19, push plate; 20, guide plate; 21, buffer column; 22, collection box; 23, conveying part; 24, air bag; 25, spray head; 26, second screw; 27, pressing plate; 28, second guide rod. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Embodiment one: in the embodiment, the whole not only reduces the problem of occupying the internal space of die hole 9, but also facilitates maintenance operation, improves the stability of the whole stamping, such as Figures 1-5The technical scheme shown includes the support seat 1, the lower die 2 arranged on the support seat 1, the lifting seat 5 connected to the support seat 1 through the support rod 3, the upper die 7 arranged below the lifting seat 5, the sleeve 4 arranged on the upper end of the support rod 3, the first spring 6 arranged on the outer side of the support rod 3, the punch 8 mounted on the bottom of the upper die 7, the die hole 9 arranged on the upper die 2, and the ejection assembly arranged on the bottom of the lower die 2. The ejection assembly includes the ejection plate 10 mounted on the bottom of the lower die 2, the lifting rod 11 arranged below the ejection plate 10, the lifting rod 11 penetratingly connected to the inside of the support seat 1, the lifting plate 12 arranged on the bottom of the lifting rod 11, and the second spring 13 arranged on the outer side of the lifting rod 11. The support seat 1 is arranged to be conveniently mounted on the stamping machine and stably mounted with the workpiece lower die 2 and the upper die 7 required for production, so as to ensure the relative position accuracy of the upper and lower dies in the stamping process and ensure the stamping precision. At this time, the lifting seat 5 is driven downward by the stamping part, the support rod 3 is lifted in the sleeve 4 of the lifting seat 5, the punch 8 on the upper die 7 is matched with the die hole 9 of the lower die 2, the overall stamping precision is improved, the impact force in the stamping process is effectively relieved, the wear of the device is reduced, the service life of the device is prolonged, the quality stability of the stamping product is improved, the deformation of the workpiece caused by the installation of the spring in the die hole 9 is reduced, after the workpiece is stamped, the lifting plate 12 drives the lifting rod 11 to move upward, the ejection plate 10 ejects the stamped workpiece, the second spring 13 on the outer side of the lifting rod 11 drives the ejection plate 10 to return to the initial position, the overall manual intervention is not required, the production efficiency is improved, the accuracy of the reset position of the ejection plate 10 is ensured, the next stamping is prepared, the design complexity caused by the occupation of the internal space of the die hole 9 is reduced, the maintenance operation is facilitated, and the overall stamping stability is improved.

[0031] In this embodiment, the push plate 19 on the moving block 17 facilitates pushing the ejected workpiece, the stamped workpiece is automatically transported and collected, the manual carrying link is reduced, the production efficiency is improved, and the specific implementation is as follows. Figure 4 、 Figure 6 and Figure 7As shown, the support seat 1 side end is provided with an auxiliary assembly, the auxiliary assembly includes a storage box 14 installed on the support seat 1 side end, a double-shaft motor 15 is arranged inside the storage box 14, a first screw rod 16 is connected to the first output end of the double-shaft motor 15, a moving block 17 is arranged outside the first screw rod 16, a first guide rod 18 is connected inside the moving block 17, the first guide rod 18 is installed inside the storage box 14, a push plate 19 is arranged on the upper end of the moving block 17, a guide plate 20 is arranged on the side end of the lower die 2, the guide plate 20 is connected to the support seat 1 through a buffer column 21, a collection box 22 is arranged on the end of the guide plate 20, the double-shaft motor 15 inside the storage box 14 is opened, the first output end of the double-shaft motor 15 drives the first screw rod 16 to rotate, so that the moving block 17 on the first screw rod 16 moves through the cooperation of the first guide rod 18, at this time the push plate 19 on the moving block 17 facilitates pushing the ejected workpiece, so that the workpiece is conveyed to the inside of the collection box 22 through the guide plate 20, the whole body is convenient for automatic conveying and collecting of the workpiece after stamping, reduces the manual carrying link, improves the production efficiency, the bottom of the guide plate 20 is supported by the buffer column 21, so that the workpiece conveying stability is greatly improved, reduces the damage problem of the workpiece due to collision, and ensures the product quality.

[0032] In this embodiment, the gas is transmitted to the spray head 25 by the air bag 24 to be sprayed out, which facilitates the cleaning operation of the lower die 2 and the upper die 7, and timely cleans the mold, reduces the problem of affecting the mold precision caused by the debris generated by stamping, and the specific like Figure 4 、 Figure 6 and Figure 7As shown, the support base 1 side end is provided with a conveying element 23, the conveying element 23 output end is connected with an air bag 24 through a hose, the air bag 24 output end is connected with a spray head 25 through a hose, the spray head 25 is located on the lifting seat 5, the second output end of the double-shaft motor 15 is connected with a second screw rod 26, the second screw rod 26 outer side is provided with a pressing plate 27, the pressing plate 27 is in contact with the air bag 24 after moving, the pressing plate 27 is connected with a second guide rod 28 inside, the second guide rod 28 is installed inside the storage box 14, the gas is transmitted to the air bag 24 inside through the conveying element 23, and the gas is transmitted to the spray head 25 through the air bag 24 and sprayed out, convenient for cleaning operation of the lower mold 2 and the upper mold 7, timely cleaning of the mold, reducing the problem of the influence of the stamping generated debris on the mold precision, and improving the next stamping quality, prolonging the service life of the mold, when the double-shaft motor 15 is used, the second output end of the double-shaft motor 15 drives the second screw rod 26 to rotate, reducing the problem of increasing cost caused by the need to set more driving structures, at this time, the pressing plate 27 is moved through the cooperation of the second guide rod 28, so that the air bag 24 is extruded, so that the gas flow rate in the air bag 24 changes, the overall cleaning efficiency is improved, the equipment cost is reduced, the overall operation efficiency and economy of the equipment are improved, and the contents not described in detail in the specification belong to the existing technology known to those skilled in the art.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An oil-free high-precision die for stamping, comprising a support base (1) provided with a lower die (2), a lifting base (5) connected to the support base (1) by a support rod (3), and an upper die (7) provided below the lifting base (5). characterized in that A sleeve (4) is arranged on the upper end of the support rod (3), a first spring (6) is arranged on the outer side of the support rod (3), a punch (8) is mounted on the bottom of the upper die (7), a die hole (9) is formed in the lower die (2), and an ejection assembly is arranged on the bottom of the lower die (2).

2. A high-precision die for oil-free stamping according to claim 1, characterized in that: The ejection assembly comprises an ejection plate (10) mounted on the bottom of the lower die (2), a lifting rod (11) arranged below the ejection plate (10), the lifting rod (11) penetratingly connected inside the support base (1), a lifting plate (12) arranged on the bottom of the lifting rod (11), and a second spring (13) arranged on the outer side of the lifting rod (11).

3. A high-precision die for oil-free stamping according to claim 1, characterized in that: An auxiliary assembly is arranged on the side end of the support base (1), the auxiliary assembly comprises a storage box (14) mounted on the side end of the support base (1), a double-shaft motor (15) arranged inside the storage box (14), and a first screw rod (16) connected to the first output end of the double-shaft motor (15).

4. A high-precision die for oil-free stamping according to claim 3, characterized in that: A moving block (17) is arranged on the outer side of the first screw rod (16), a first guide rod (18) penetratingly connected inside the moving block (17), the first guide rod (18) is mounted inside the storage box (14), and a push plate (19) is arranged on the upper end of the moving block (17).

5. A high-precision die for oil-free stamping according to claim 1, characterized in that: A guide plate (20) is arranged on the side end of the lower die (2), the guide plate (20) is connected to the support base (1) by a buffer column (21), and a collection box (22) is arranged on the end of the guide plate (20).

6. A high-precision die for oil-free stamping according to claim 1, characterized in that: A conveying member (23) is arranged on the side end of the support base (1), an air bag (24) is connected to the output end of the conveying member (23) by a hose, a spray head (25) is connected to the output end of the air bag (24) by a hose, and the spray head (25) is located on the lifting base (5).

7. A high-precision die for oil-free stamping according to claim 3, characterized in that: A second screw rod (26) is connected to the second output end of the double-shaft motor (15), a pressing plate (27) is arranged on the outer side of the second screw rod (26), and the pressing plate (27) is in contact with the air bag (24) after moving.

8. A high-precision die for oil-free stamping according to claim 7, characterized in that: A second guide rod (28) penetratingly connected inside the pressing plate (27), the second guide rod (28) is mounted inside the storage box (14).

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