CN216175928U - Stamping die initial positioning structure - Google Patents

Abstract

The utility model discloses an initial positioning structure of a stamping die, which comprises: the upper part of the base is provided with a material guide plate for limiting the die material; two material guide plates are arranged and are respectively arranged at two sides of the die; the base is provided with a first pin hole and a second pin hole which are vertical to each other, the first pin hole is communicated with the second pin hole, and the first pin hole is arranged between the two material guide plates; the positioning round pin penetrates through the first pin hole and can extend out of the base to block and position the die arranged between the two material guide plates; the stop round pin is partially arranged in the second pin hole in a penetrating way and can slide relative to the second pin hole; the stop round pin can be partially inserted into the positioning round pin to axially limit the positioning round pin. According to the initial positioning structure of the stamping die, the problems of product abnormity and die damage caused by dislocation of the feeding position of a trimming die of a material belt are solved, and the initial positioning structure is simple in design, convenient to install and convenient to maintain.

Description

Stamping die initial positioning structure

Technical Field

The utility model relates to the field of processing equipment of stamping and grinding tools, in particular to an initial positioning structure of a stamping die.

Background

In recent years, the connector is more and more diversified and complex in product types, the requirement of hardware parts is higher and higher, and the manufacturing difficulty is higher and higher. In addition, due to the continuous rising of the cost of raw materials, the continuous rising of labor cost and the gradual hardening of market competition, the profit of the industry is lower and lower. Therefore, the cost must be reduced as much as possible in the production, and the production efficiency must be improved. Many moulds are because there is not the material location frock of cutting edge, when trying the mould and wear the material for the first time, often because the stub bar position is inaccurate and lead to the material area dislocation, cause the mould moulding-die, cause the damage of mould different degree, reduced production efficiency, also caused the waste of material simultaneously.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an initial positioning structure of a stamping die, which solves the problems of product abnormity and die damage caused by dislocation of a feeding position of a trimming die in a material belt, and has the advantages of simple design, convenience in installation and convenience in maintenance.

According to an embodiment of the first aspect of the present invention, a punching die initial positioning structure includes: the upper part of the base is provided with a material guide plate; two material guide plates are arranged at intervals and used for limiting two sides of the die material; the base is provided with a first pin hole and a second pin hole which are perpendicular to each other, the first pin hole is communicated with the second pin hole, and the first pin hole is arranged between the two material guide plates; the positioning round pin penetrates through the first pin hole and can extend out of the base to block and position the die arranged between the two material guide plates; the stop round pin is partially arranged in the second pin hole in a penetrating way and can slide relative to the second pin hole; the stop round pin can be partially inserted into the positioning round pin to axially limit the positioning round pin.

The initial positioning structure of the stamping die provided by the embodiment of the utility model at least has the following technical effects: can just realize just can realizing changing material pay-off at every turn and advance the mould when carrying out the punching press for the first time through manual simple operation, the material area front end can both keep in same position, has stopped the phenomenon of material dislocation to the pay-off is more smooth and easy, and production is more smooth. The manual position round pin that ends that pulls out can realize that location round pin pops out the base and blocks spacingly to propulsive material in the stock guide, and implementation mode is simple, the operation of being convenient for, and simple structure, convenient maintenance.

According to some embodiments of the utility model, the first pin hole comprises a narrow diameter section and a wide diameter section, the positioning round pin comprises a connecting part and an extending part, the connecting part is slidably mounted in the wide diameter section, and the extending part is slidably mounted in the narrow diameter section; the wide diameter section and the narrow diameter section form an axial wall at the change position, and the connecting part can abut against the axial wall to limit the stroke of the positioning round pin.

According to some embodiments of the utility model, a first spring is connected to an end of the connecting portion remote from the extension portion; one end of the wide-diameter section, which is far away from the narrow-diameter section, is connected with a stop screw, two ends of the first spring are respectively abutted against the connecting part and the stop screw, and the first spring is used for pushing the extending part to extend out of the base.

According to some embodiments of the utility model, the outer periphery of the wide diameter section is provided with an inward concave embedding ring groove, and the end part of the stop round pin can be inserted into the embedding ring groove to axially limit the positioning round pin.

According to some embodiments of the utility model, the stop round pin is provided with a radially protruding stop ring, and the stop ring can abut against the base to limit the stroke of the stop round pin.

According to some embodiments of the utility model, the base is provided with a positioning seat, one end of the stop round pin, which is far away from the positioning round pin, penetrates through the positioning seat, and a driving structure for driving the stop round pin to move towards the positioning round pin is arranged between the positioning seat and the stop ring.

According to some embodiments of the present invention, the driving structure is a second spring sleeved on the stop round pin, two ends of the second spring respectively abut against the positioning seat and the stop ring, and the second spring is used for driving the stop round pin to be inserted into the positioning round pin.

According to some embodiments of the utility model, a pull handle is arranged at one end of the stop round pin far away from the positioning round pin.

According to some embodiments of the utility model, the base comprises a die holder and a mounting seat, the mounting seat is mounted on the die holder, the positioning seat is mounted on the die holder, and the stop round pin penetrates through the mounting seat; the material guide plate is arranged on the mounting seat.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of an installation structure of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the present invention;

FIG. 3 is an enlarged view at A in FIG. 1;

fig. 4 is an enlarged view at B in fig. 2.

Reference numerals:

the device comprises a base 100, a die holder 110, a mounting seat 120, a material guide plate 130, a first pin hole 140, a narrow-diameter section 141, a wide-diameter section 142, an axial wall 143, a second pin hole 150 and a positioning seat 160;

positioning round pin 200, connecting part 210, embedding ring groove 211, extending part 220, first spring 230, set screw 240;

a stop round pin 300, a stop ring 310, a second spring 320 and a handle 330.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an initial positioning structure of a stamping die according to an embodiment of the present invention includes: a guide plate 130 for limiting the die material is mounted on the upper part of the base 100; two material guide plates 130 are arranged at intervals and are respectively arranged on two sides of the die material so as to limit the die material; the base 100 is provided with a first pin hole 140 and a second pin hole 150 which are perpendicular to each other, the first pin hole 140 is communicated with the second pin hole 150, and the first pin hole 140 is arranged between the two material guide plates 130; as shown in fig. 1 and 2, the base 100 includes a die holder 110 and a mounting base 120, the mounting base 120 is mounted on the die holder 110, and the material guide plate 130 is mounted on the mounting base 120. The first pin hole 140 penetrates through the die holder 110 and the mounting base 120, the second pin hole 150 is perpendicular to the first pin hole 140, and the second pin hole 150 is arranged on the mounting base 120; the die holder 110 is larger in size than the mount 120.

A positioning round pin 200 inserted into the first pin hole 140 and extending out of the base 100 to block and position the mold installed between the two material guide plates 130;

a stop round pin 300 partially penetrating the second pin hole 150 and capable of sliding relative to the second pin hole 150; the stop round pin 300 can be partially inserted into the positioning round pin 200 to axially limit the positioning round pin 200. When the stop round pin 300 is inserted into the positioning round pin 200, the positioning round pin 200 can be blocked from extending out of the base 100, so that the positioning round pin 200 is limited.

When the test mold is first worn, the material is fed into the mold through the material guide plates 130 on the two sides, and the material stops when touching the positioning round pins 200 extending out of the base 100; then, an auxiliary feeder on the punch is adjusted to a state of locking the material, and the position of a stub bar of the material is fixed; then the upper slide block of the punch press is inching to the position of the bottom dead center, and the positioning round pin 200 is pressed into the base 100 by the upper template structure of the die material, so that the positioning round pin 200 can not be ejected out of the mounting seat 120 any more. With the next stamping action of the punch press, the feeder normally feeds materials, so that the normal feeding can be realized during the next feeding. Through manual simple operation, the front end of the material belt can be kept at the same position when the material feeding die is replaced for the first stamping at each time, and the phenomenon of material dislocation is avoided, so that feeding is smoother, and production is smoother. The stop round pin 300 is pulled out manually, so that the positioning round pin 200 can pop out of the base 100 to stop and limit the material pushed into the material guide plate 130, and the material guide plate is simple in implementation mode, convenient to operate, simple in structure and convenient to maintain.

In some embodiments of the present invention, the first pin hole 140 includes a narrow diameter section 141 and a wide diameter section 142, the positioning circular pin 200 includes a connecting portion 210 and an extending portion 220, the connecting portion 210 is slidably mounted in the wide diameter section 142, and the extending portion 220 is slidably mounted in the narrow diameter section 141; the change between the wide diameter section 142 and the narrow diameter section 141 forms an axial wall 143, and the connecting portion 210 can abut against the axial wall 143 to limit the stroke of the positioning round pin 200. Specifically, the narrow diameter section 141 is disposed at the upper portion of the first pin hole 140, that is, the upper portion of the first pin hole 140 is narrower, and the lower portion is wider; also, in order to match the first pin hole 140, the connecting portion 210 of the positioning round pin 200 has a larger diameter than the extending portion 220, and thus the connecting portion 210 cannot enter the extending portion 220. The change between the narrow section 141 and the wide section 142 is a sudden change, so that a planar axial wall 143 is generated, and after the wide section 142 abuts against the axial wall 143, the extension part 220 cannot extend upwards out of the base 100, so as to limit the positioning round pin 200.

In some embodiments of the present invention, a first spring 230 is connected to an end of the connecting portion 210 away from the extending portion 220; one end of the wide section 142 away from the narrow section 141 is connected to a set screw 240, two ends of the first spring 230 respectively abut against the connecting portion 210 and the set screw 240, and the first spring 230 is used for pushing the extending portion 220 to extend out of the base 100. Specifically, as shown in fig. 2, the bottom of the first pin hole 140 is provided with an internal thread, and the set screw 240 is in threaded connection with the first pin hole 140. The first spring 230 is limited in the first pin hole 140 by the set screw 240 and the positioning round pin 200, and under normal conditions, the first spring 230 is always in a compressed state; the first spring 230 provides a power to push the positioning round pin 200 to extend out of the base 100.

In some embodiments of the present invention, the outer circumference of the wide diameter section 142 is provided with an inward recessed insertion ring groove 211, and the end of the stop round pin 300 can be inserted into the insertion ring groove 211 to axially limit the positioning round pin 200. Specifically, as shown in fig. 4, the insertion ring groove 211 is disposed in the wide section 142 of the positioning circular pin 200 and in the middle of the wide section 142.

In some embodiments of the present invention, the stop pin 300 is provided with a radially protruding stop ring 310, and the stop ring 310 can abut against the base 100 to limit the stroke of the stop pin 300. Specifically, as shown in fig. 2, the stop ring 310 is disposed on a portion of the stop circular pin 300 that is not inserted into the second pin hole 150, and the diameter of the stop ring 310 is larger than the diameter of the stop circular pin 300, so that the stop ring 310 can abut against the base 100 to limit the distance that the stop circular pin 300 is inserted into the second pin hole 150.

In some embodiments of the present invention, the positioning seat 160 is installed on the base 100, and the positioning seat 160 is installed on one end of the stop ring 310 away from the positioning round pin 200; one end of the stop round pin 300 far from the positioning round pin 200 passes through the positioning seat 160, and a driving structure for driving the stop round pin 300 to move towards the positioning round pin 200 is disposed between the positioning seat 160 and the stop ring 310. Specifically, as shown in fig. 3, the positioning seat 160 is connected to the die holder 110 by a bolt, and the positioning seat 160 is provided with a hole for the positioning round pin 200 to pass through.

In some embodiments of the present invention, the driving structure is a second spring 320 sleeved on the stop round pin 300, and two ends of the second spring 320 respectively abut against the positioning seat 160 and the stop ring 310; one end of the stop round pin 300 far away from the positioning round pin 200 is inserted into the second spring 320 and passes through the positioning seat 160; the second spring 320 is used for driving the stop round pin 300 to be inserted into the positioning round pin 200. The two ends of the second spring 320 respectively abut against the positioning seat 160 and the stop ring 310, and the positioning seat 160 is connected to the mold base 110 and cannot move, so that the second spring 320 pushes the stop ring 310 to move, and further drives the stop round pin 300 to slide along the second pin hole 150.

In some embodiments of the present invention, the end of the stop pin 300 away from the positioning pin 200 is provided with a pull 330. Specifically, the handle 330 is used to facilitate pulling the stop pin 300. The handle 330 is sleeved on one end of the stop round pin 300 far from the positioning round pin 200, and the handle 330 is connected to the stop round pin 300 through a bolt.

The use method of the positioning structure comprises the following steps: when the positioning round pin 200 is not ejected out of the first pin hole 140 under normal conditions, the end of the stop round pin 300 is inserted into the insertion ring groove 211 of the positioning round pin 200, and the first spring 230 cannot push the positioning round pin 200 out of the first pin hole 140 due to the blocking of the stop round pin 300; when the material is fed for the first time, the handle 330 is pulled manually, the stop round pin 300 is separated from the embedding ring groove 211, and the extension part 220 of the positioning round pin 200 extends out of the first pin hole 140, so that the material is limited. After the first positioning is completed, the positioning round pin 200 is directly pressed into the first pin hole 140, and the stop round pin 300 enters the embedding ring groove 211 to limit the positioning round pin 200 under the pushing of the second spring 320.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A stamping die initial positioning structure, comprising:

a base (100) on which a material guide plate (130) is mounted; two material guide plates (130) are arranged at intervals and used for limiting the two sides of the die material; the base (100) is provided with a first pin hole (140) and a second pin hole (150) which are perpendicular to each other, the first pin hole (140) is communicated with the second pin hole (150), and the first pin hole (140) is arranged between the two material guide plates (130);

the positioning round pin (200) penetrates through the first pin hole (140) and can extend out of the base (100) so as to block and position a die arranged between the two material guide plates (130);

the stop round pin (300) is partially arranged in the second pin hole (150) in a penetrating way and can slide relative to the second pin hole (150); the stop round pin (300) can be partially inserted into the positioning round pin (200) to axially limit the positioning round pin (200).

2. The punching die initial positioning structure according to claim 1, wherein: the first pin hole (140) comprises a narrow diameter section (141) and a wide diameter section (142), the positioning round pin (200) comprises a connecting part (210) and an extending part (220), the connecting part (210) is slidably mounted in the wide diameter section (142), and the extending part (220) is slidably mounted in the narrow diameter section (141); the change part of the wide diameter section (142) and the narrow diameter section (141) forms an axial wall (143), and the connecting part (210) can abut against the axial wall (143) to limit the stroke of the positioning round pin (200).

3. The punching die initial positioning structure as set forth in claim 2, wherein: one end of the connecting part (210) far away from the extending part (220) is connected with a first spring (230); one end, far away from narrow footpath section (141), of wide footpath section (142) is connected with set screw (240), first spring (230) both ends respectively with connecting portion (210) with set screw (240) offset, first spring (230) are used for promoting extension (220) extend base (100).

4. The punching die initial positioning structure as set forth in claim 3, wherein: the wide footpath section (142) periphery is equipped with embedding annular (211) sunken inwards, end position round pin (300) tip can insert in embedding annular (211) with right location round pin (200) carry out axial spacing.

5. The punching die initial positioning structure as set forth in claim 4, wherein: the stop round pin (300) is provided with a radially protruding stop ring (310), and the stop ring (310) can abut against the base (100) to limit the stroke of the stop round pin (300).

6. The punching die initial positioning structure as set forth in claim 5, wherein: a positioning seat (160) is installed on the base (100), one end, far away from the positioning round pin (200), of the stop round pin (300) penetrates through the positioning seat (160), and a driving structure used for driving the stop round pin (300) to move towards the positioning round pin (200) is arranged between the positioning seat (160) and the stop ring (310).

7. The punching die initial positioning structure as set forth in claim 6, wherein: the driving structure is a second spring (320) sleeved on the stop round pin (300), and two ends of the second spring (320) are respectively abutted against the positioning seat (160) and the stop ring (310); the second spring (320) is used for driving the stop round pin (300) to be inserted into the positioning round pin (200).

8. The punching die initial positioning structure as set forth in claim 7, wherein: and a handle (330) is arranged at one end of the stop round pin (300) far away from the positioning round pin (200).

9. The punching die initial positioning structure as set forth in claim 8, wherein: the base (100) comprises a die holder (110) and a mounting seat (120), the mounting seat (120) is mounted on the die holder (110), the positioning seat (160) is mounted on the die holder (110), and the stop round pin (300) penetrates through the mounting seat (120); the material guide plate (130) is mounted on the mounting base (120).

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