Hole flanging pin mounting structure of hot stamping forming die

Abstract

The utility model is applicable to the technical field of stamping dies, and provides a hole flanging pin mounting structure of a hot stamping forming die, which comprises an ejector pin slidably mounted in a stepped hole, a telescopic column fixedly mounted on the ejector pin, a slot communicated with the stepped hole and arranged in a lower base, and a clamping block slidably connected in the slot. One end of the clamping block is fixedly connected with the inner wall of the inserting groove through a connecting spring, a sliding rod is fixedly installed at the other end of the clamping block, when the sliding rod is extruded, the clamping block does not abut against the telescopic column any more, the telescopic column can slide downwards conveniently, after the connecting spring drives the sliding rod to reset, the clamping block abuts against the ejector pin, the ejector pin ascends, and then the telescopic column is used for ejecting parts in the cavity; an insertion hole is formed in the upper clamping plate, a positioning block is slidably connected into the insertion hole, a positioning pin is installed on the positioning block, a limiting plate is slidably connected to the side wall of the lower clamping plate, the limiting plate abuts against the positioning block, a connecting plate is arranged on the lower clamping plate, a through groove is formed in the limiting plate, and a fixing bolt penetrates through the through groove to lock the limiting plate and fix the positioning pin.

Description

TECHNICAL FIELD

[0001] The utility model belongs to stamping die technical field especially relates to a hot stamping forming die hole flanging pin mounting structure. BACKGROUND

[0002] In the current stamping die technical field, hot stamping forming is a kind of part processing mode, first, blank is heated to a certain temperature, then stamping machine is used in corresponding die to carry out stamping and pressure holding quenching, to obtain the required shape and realize the phase change of metal material simultaneously, it is a kind of material forming method, stamping die is a kind of special process equipment in stamping process, which processes material into parts, and the die hole flanging pin can play the role of positioning and ejection, and it is an essential component in the die.

[0003] The utility model discloses an improved structure's hole flanging die, including upper bottom plate, lower bottom plate, hole flanging punch, hole flanging recess, lower die elastic ejector, upper die elastic ejector pin, guide pillar, guide sleeve, guide pillar, guide sleeve are fixed on lower bottom plate, upper bottom plate respectively, and guide pillar, guide sleeve constitute guiding assembly, hole flanging punch is fixed on lower bottom plate, and hole flanging recess is fixed on upper bottom plate, and lower die ejector is sleeved on hole flanging punch, and upper die elastic ejector pin is installed on the lower surface of hole flanging recess;The head of hole flanging punch is provided with positioning step journal, and the positioning step journal directly positions the hole to be flanged.The utility model does not rely on the shape positioning of product, directly uses the hole to be flanged to position, and flanges upwards, solves the unstable problem of the positioning of part, and when the die is manufactured, it is not necessary to wait for the shape contour to be tried to define before manufacturing the hole flanging die, and the problem of poor product consistency when using the die to stamp is effectively solved.

[0004] But the above patent has the following shortcomings:

[0005] In the above patent, the hole to be flanged is positioned, and the hole is flanged upwards, which solves the unstable problem of the positioning of part, but when hot stamping is processed, the part expands after being heated, the size changes, and it is not convenient to take out from the cavity, and the use is relatively variable. UTILITY MODEL CONTENTS

[0006] The utility model provides a hot stamping forming die hole flanging pin mounting structure, aims at solving the problem of the part expansion after being heated, the size change, the inconvenience of taking out from the cavity and the relatively variable use in the background mentioned above.

[0007] The utility model is such a realization, a hot stamping forming die hole flanging pin mounting structure, including upper die holder;

[0008] Lower die holder, the lower die holder is arranged below the upper die holder, and a lower backing plate is fixedly installed on the lower die holder;

[0009] The lower base is fixedly installed on the lower base plate, and a lower clamping plate is slidably installed on the lower base.

[0010] The lower base and the lower clamping plate are provided with stepped holes communicating with the cavity.

[0011] An ejection pin is slidably installed in the stepped hole, and an extension column is fixedly installed on the ejection pin.

[0012] The lower base is provided with an insertion slot communicating with the stepped hole, a clamping block is slidably connected in the insertion slot, one end of the clamping block is fixedly connected to the inner wall of the insertion slot through a connecting spring, and the other end is fixedly installed with a sliding rod.

[0013] Preferably, the lower surface of the upper die seat is fixedly installed with an upper base plate, the lower surface of the upper base plate is fixedly installed with an upper base, and the lower surface of the upper base is fixedly installed with an upper clamping plate.

[0014] The outer wall of the upper clamping plate is fixedly installed with a connecting frame matched with the sliding rod; in this scheme, the connecting frame is lowered to abut against the sliding rod, so that the sliding rod slides in the insertion slot, and the end portions of the connecting frame and the sliding rod are provided with inclined surfaces, so as to facilitate the abutment of the connecting frame against the sliding rod.

[0015] Preferably, the lower end of the upper clamping plate is provided with an insertion hole, a positioning block is slidably connected in the insertion hole, and a positioning pin is fixedly installed on the positioning block.

[0016] The lower clamping plate is provided with a positioning hole matched with the insertion hole; in this scheme, the positioning pin is inserted into the positioning hole, so as to improve the positioning accuracy of the upper clamping plate and the lower clamping plate.

[0017] Preferably, the side wall of the upper clamping plate is slidably connected with a limiting plate, the limiting plate abuts against the positioning block, the outer wall of the upper clamping plate is provided with a connecting plate, and the limiting plate is provided with a through slot.

[0018] A fixing screw is penetrated through the through slot, and the fixing screw is threadedly connected with the connecting plate; in this scheme, the limiting plate is locked by the fixing screw, and the positioning block is fixed by abutting against the outer wall of the limiting plate.

[0019] Preferably, a pressing plate is slidably connected in the upper clamping plate, and a transmission rod is slidably connected on the upper die seat, and the lower end of the transmission rod is fixedly connected with a lifting plate.

[0020] The lifting plate is fixedly connected with the pressing plate through two guide rods; in this scheme, the lifting plate is lowered by the transmission rod, and then the pressing plate is pushed to perform hot stamping processing.

[0021] Preferably, two damping columns are slidably connected to the lower base plate, and lower ends of the telescopic columns are fixedly connected to the lower base plate by support springs;

[0022] The lower surface of the lower clamping plate is provided with two sliding grooves for slidably connecting the damping columns.

[0023] Compared with the prior art, the hot stamping die hole turning pin mounting structure has the advantages that the hot stamping die hole turning pin mounting structure,

[0024] 1. The ejection pin is slidably installed in the stepped hole, and a telescopic column is fixedly installed on the ejection pin. A plug-in slot is formed in the lower base and communicates with the stepped hole. A clamping block is slidably connected in the plug-in slot. One end of the clamping block is fixedly connected to the inner wall of the plug-in slot by a connecting spring, and the other end is fixedly installed with a sliding rod. When the sliding rod is extruded, the clamping block no longer abuts against the telescopic column, so that the telescopic column can slide downward. After the connecting spring drives the sliding rod to reset, the clamping block abuts against the ejection pin, so that the ejection pin rises, and then the telescopic column can lift the part in the cavity, thereby improving the hot stamping efficiency of the part.

[0025] 2. The upper clamping plate is provided with a plug hole, and a positioning block is slidably connected in the plug hole. The positioning block is installed with a positioning pin. The side wall of the lower clamping plate is slidably connected with a limiting plate. The limiting plate abuts against the positioning block. The upper clamping plate is provided with a connecting plate. The limiting plate is provided with a through slot. A fixing bolt passes through the through slot to lock the limiting plate and fix the positioning pin. The positioning pin can be easily disassembled, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a schematic structural view of the whole utility model

[0027] Figure 2 It is the utility model Figure 1 It is an enlarged view of A in the utility model

[0028] Figure 3 It is the utility model Figure 1 It is an enlarged view of B in the utility model

[0029] In the drawing:

[0030] 1. The upper die seat; 11, the upper base plate; 12, the upper base; 13, the upper clamping plate; 131, the connecting frame; 132, the plug hole; 14, the pressing plate; 15, the transmission rod; 151, the lifting plate; 152, the guide rod;

[0031] 2. The lower die seat; 21, the lower base plate; 211, the damping column; 212, the support spring; 22, the lower base; 221, the plug-in slot; 23, the lower clamping plate; 231, the cavity; 232, the positioning hole; 233, the stepped hole; 234, the sliding groove;

[0032] 3, positioning pin; 31, positioning block; 32, limiting plate; 321, through slot; 33, fixing screw; 34, connecting plate;

[0033] 4, ejector pin; 41, telescopic column; 42, clamping block; 43, connecting spring; 44, sliding rod. DETAILED DESCRIPTION

[0034] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0035] The components of the embodiments of the present application generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0036] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0037] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] Please refer to Figures 1-3The utility model provides a technical scheme: a hot stamping forming die hole flanging pin mounting structure, including upper die seat 1, lower die seat 2, lower die seat 2 sets up below upper die seat 1, is fixedly installed with lower backing plate 21 on lower die seat 2, is fixedly installed with lower base 22 on lower backing plate 21, is slidably installed with lower clamping plate 23 on lower base 22, is seted up with cavity 231 on lower clamping plate 23, lower base 22 and lower clamping plate 23 are seted up with the stepped hole 233 of the communication cavity 231, the ejection pin 4, it is slidably installed in the stepped hole 233, is fixedly installed with telescopic column 41 on the ejection pin 4, is seted up with the insertion slot 221 of the communication stepped hole 233 in lower base 22, the insertion slot 221 is slidably connected with the clamping block 42, and one end of clamping block 42 is fixedly connected with the inner wall of insertion slot 221 through connecting spring 43, and the other end is fixedly installed with sliding rod 44.

[0040] Wherein, the outer wall of the clamping block 42 is provided with an inclined surface, and the outer wall of the bottom end of the ejection pin 4 is provided with an inclined surface matched with the clamping block 42, when the sliding rod 44 is extruded, the connecting spring 43 is compressed, the clamping block 42 no longer touches the bottom end of the ejection pin 4, the ejection pin 4 falls, facilitating hot stamping processing, when the sliding rod 44 is not extruded, the connecting spring 43 drives the clamping block 42 to reset, the clamping block 42 extrudes the ejection pin 4, and the ejection pin 4 and the telescopic column 41 rise, and the part in the cavity 231 is lifted up.

[0041] The lower surface of the upper die seat 1 is fixedly installed with an upper backing plate 11, the lower surface of the upper backing plate 11 is fixedly installed with an upper base 12, the lower surface of the upper base 12 is fixedly installed with an upper clamping plate 13, and the outer wall of the upper clamping plate 13 is fixedly installed with a connecting frame 131 matched with the sliding rod 44.

[0042] Wherein, when the upper clamping plate 13 descends, the connecting frame 131 descends along, the end of the connecting frame 131 and the sliding rod 44 is provided with an inclined surface, facilitating extruding the sliding rod 44 by the connecting frame 131, and then driving the sliding rod 44 to slide in the sliding groove 234, the connecting frame 131 pushes the sliding rod 44 when descending, and the sliding rod 44 resets when the connecting frame 131 rises.

[0043] The lower end of the upper clamping plate 13 is provided with a insertion hole 132, the insertion hole 132 is slidably connected with a positioning block 31, the positioning block 31 is fixedly installed with a positioning pin 3, the upper clamping plate 13 is slidably connected with a limiting plate 32 on the side wall, the limiting plate 32 abuts against the positioning block 31, the outer wall of the upper clamping plate 13 is provided with a connecting plate 34, the limiting plate 32 is provided with a through slot 321, and the through slot 321 penetrates a fixed screw 33.

[0044] Further, the fixing screw 33 is screwed with the connecting plate 34, and then the limiting plate 32 is fixed, the positioning block 31 is pressed through the limiting plate 32, and then the positioning pin 3 is fixed, the positioning pin 3 is inserted into the positioning hole 232, and the upper clamping plate 13 and the lower clamping plate 23 are positioned.

[0045] The pressing plate 14 is slidably connected in the upper clamping plate 13, and the transmission rod 15 is slidably connected on the upper die seat 1, the lower end of the transmission rod 15 is fixedly connected with the lifting plate 151, and the lifting plate 151 is fixedly connected with the pressing plate 14 through two guide rods 152.

[0046] Specifically, the transmission rod 15 drives the lifting plate 151 and the pressing plate 14 to move longitudinally, the transmission rod 15 and the upper die seat 1 are installed on the corresponding punching machine, and move with the output end of the punching machine, so that the pressing plate 14 is used for punching processing of tools.

[0047] The two damping columns 211 are slidably connected on the lower base plate 21, the lower end of the damping column 211 is fixedly connected with the lower base plate 21 through the supporting spring 212, and the lower surface of the lower clamping plate 23 is provided with two sliding grooves 234 for slidably connecting the damping columns 211.

[0048] It should be noted that when the lower clamping plate 23 descends, the damping column 211 is pressed through the sliding groove 234, so that the supporting spring 212 is pressed, and the service life of the lower clamping plate 23 is prolonged by using the elasticity of the supporting spring 212.

[0049] The working principle and use process of the utility model are as follows: Figures 1-3 The transmission rod 15 drives the lifting plate 151 and the pressing plate 14 to move longitudinally, the pressing plate 14 is used for punching processing of tools, the connecting frame 131 descends when the upper clamping plate 13 descends, the connecting frame 131 and the end of the sliding rod 44 are provided with inclined surfaces, the sliding rod 44 is pressed through the connecting frame 131, and then the sliding rod 44 slides in the sliding groove 234, the sliding rod 44 is pushed when the connecting frame 131 descends, the connecting spring 43 is compressed when the sliding rod 44 is pressed, the clamping block 42 no longer abuts against the bottom end of the ejection pin 4, the ejection pin 4 falls, and hot stamping processing is facilitated, the sliding rod 44 is reset when the connecting frame 131 rises, the clamping block 42 is reset through the connecting spring 43 when the sliding rod 44 is not pressed, the clamping block 42 presses the ejection pin 4, the ejection pin 4 and the telescopic column 41 rise, the part in the cavity 231 is lifted, and the part is taken out.

[0050] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A hot-stamping die flanging pin mounting structure, characterized by: Including the upper die seat (1); The lower die seat (2) is arranged below the upper die seat (1), and the lower die seat (2) is fixedly installed with a lower base plate (21); The lower base plate (21) is fixedly installed with a lower base (22), and the lower base (22) is slidably installed with a lower clamping plate (23), and the lower clamping plate (23) is provided with a cavity (231); The lower base (22) and the lower clamping plate (23) are provided with a stepped hole (233) communicating with the cavity (231); The ejector pin (4) is slidably installed in the stepped hole (233), and the ejector pin (4) is fixedly installed with a telescopic column (41); The lower base (22) is provided with a slot (221) communicating with the stepped hole (233), and the slot (221) is slidably connected with a clamping block (42), one end of the clamping block (42) is fixedly connected with the inner wall of the slot (221) through a connecting spring (43), and the other end is fixedly installed with a sliding rod (44).

2. A hot-stamping die tumbler pin mounting structure according to claim 1, characterized by: The lower surface of the upper die seat (1) is fixedly installed with an upper base plate (11), the lower surface of the upper base plate (11) is fixedly installed with an upper base (12), and the lower surface of the upper base (12) is fixedly installed with an upper clamping plate (13); The outer wall of the upper clamping plate (13) is fixedly installed with a connecting frame (131) matched with the sliding rod (44).

3. A hot-stamping die tumbler pin mounting structure as claimed in claim 2, wherein: The lower end of the upper clamping plate (13) is provided with a insertion hole (132), and the insertion hole (132) is slidably connected with a positioning block (31), and the positioning block (31) is fixedly installed with a positioning pin (3); The lower clamping plate (23) is provided with a positioning hole (232) matched with the insertion hole (132).

4. A hot-stamping die tumbler pin mounting structure as claimed in claim 3, wherein: The side wall of the upper clamping plate (13) is slidably connected with a limiting plate (32), the limiting plate (32) abuts against the positioning block (31), the outer wall of the upper clamping plate (13) is provided with a connecting plate (34), and the limiting plate (32) is provided with a through groove (321); The through groove (321) is penetrated through with a fixed screw (33), and the fixed screw (33) is threadedly connected with the connecting plate (34).

5. A hot-stamping die tumbler pin mounting structure as described in claim 2 wherein: The upper clamping plate (13) is slidably connected with a pressing plate (14), and the upper die seat (1) is slidably connected with a transmission rod (15), and the lower end of the transmission rod (15) is fixedly connected with a lifting plate (151); The lifting plate (151) is fixedly connected with the pressing plate (14) through two guide rods (152).

6. A hot-stamping die tumbler pin mounting structure as described in claim 1 wherein: The lower base plate (21) is slidably connected with two damping columns (211), and the lower end of the damping column (211) is fixedly connected with the lower base plate (21) through a supporting spring (212); And the lower surface of the lower clamping plate (23) is provided with two sliding grooves (234) slidably connected with the damping columns (211).

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