CN212525578U - Punching and deburring device for orifice - Google Patents

Abstract

The utility model relates to a punching and burr removing device for an orifice, which comprises a bottom plate and a top plate; the bottom plate is fixed on an external workbench, two ends of the upper surface of the bottom plate are symmetrically provided with first positioning seats, and positioning columns are vertically arranged on the first positioning seats; the bottom plate is provided with a threaded hole for mounting an aluminum front cover of the agricultural engine to be treated; the top plate comprises a lower top plate and an upper top plate; the two ends of the lower surface of the lower top plate are symmetrically provided with second positioning seats, and sleeve barrels matched with the positioning columns are vertically arranged on the second positioning seats; a plurality of punching pins are vertically and fixedly arranged at corresponding positions on the lower top plate. The utility model provides a punching press removes drill way burr device refers to drill way chamfer stamping forming's principle, and the event remains the drill way burr and does not get rid of, relies on the towards needle of preparation to get rid of direct chamfer shaping behind the drill way aluminium skin, relies on the pressure of hydraulic press to keep the function improvement product's deflection in addition.

Description

Punching and deburring device for orifice

Technical Field

The utility model relates to an equipment technical field for the aluminum alloy foundry goods, concretely relates to drill way burr device is removed in punching press.

Background

Agricultural engine aluminium system protecgulum is after the casting shaping, and there is the burr in the drill way on a plurality of connect the through-hole on its connecting hole, and the manual work is got rid of and is wasted time and energy to there is the deformation in the assembly plane of product, needs to increase the plastic process, and this has also caused artifical extravagant.

In order to solve the above problems, the applicant proposed a punch deburring device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a punching press removes drill way burr device refers to drill way chamfer stamping forming's principle, and the event remains the drill way burr and does not get rid of, relies on the towards needle of preparation to get rid of direct chamfer shaping behind the drill way aluminium skin, relies on the pressure of hydraulic press to keep the deformation that the function improved the product in addition.

In order to achieve the purpose of the utility model, the punching orifice burr removing device of the utility model comprises a bottom plate and a top plate, wherein the bottom plate and the top plate are of square structures matched with each other;

the bottom plate is fixed on an external workbench, first positioning seats are symmetrically arranged at two ends of the upper surface of the bottom plate, and positioning columns are vertically arranged on the first positioning seats; the bottom plate is provided with a threaded hole for mounting an aluminum front cover of the agricultural engine to be treated;

the top plate comprises a lower top plate and an upper top plate; second positioning seats are symmetrically arranged at two ends of the lower surface of the lower top plate, and sleeve barrels matched with the positioning columns are vertically arranged on the second positioning seats; a plurality of punching pins matched with the connecting holes on the aluminum front cover of the agricultural engine to be treated are vertically and fixedly arranged at corresponding positions on the lower top plate; the upper top plate is fixed on the upper surface of the lower top plate through bolts; the upper top plate is horizontally fixed at the head of a hydraulic rod on an external hydraulic device, and the top plate is positioned right above the bottom plate.

Preferably, the punching part at the bottom of the punching needle sequentially comprises a chamfer part, a support body and a guide part from top to bottom; the support body is of an inverted round table-shaped structure.

Preferably, a plurality of step-shaped connecting through holes are formed in the lower top plate; the head of the punching needle is provided with a connecting part matched with the stepped connecting through hole, the thickness of the connecting part is equal to the height of the stepped connecting through hole, and the punching needle is sleeved on the stepped connecting through hole on the lower top plate through the connecting part.

Preferably, the lower surface of the lower top plate is vertically and downwardly provided with a plurality of spring rebounding devices, and each spring rebounding device comprises a sleeve joint part, a spring, a connecting column and a cushion block; the connecting column is sleeved in the sleeving part in a sliding manner, and the spring is arranged in the sleeving part and is positioned between the connecting column and the top of the sleeving part; the cushion block is fixed at the bottom of the connecting column.

Preferably, all vertically be equipped with spacing post on the upper surface four corners of bottom plate.

Preferably, the upper surface of the bottom plate is provided with a positioning pin.

The working principle is as follows: firstly, a workpiece is fixed on a bottom plate, an external hydraulic device is started, a top plate moves downwards, a plurality of punching needles on a lower top plate are pressed in corresponding connecting holes on the workpiece, the orifices of the workpiece are extruded to synchronously apply pressure on the workpiece, the pressure is maintained for a period of time by virtue of the pressure maintaining function of the hydraulic machine, then the pressure is released, and the workpiece and the punching needles are automatically separated under the action of a spring rebounding device.

The utility model discloses drill way burr device is removed in punching press, compared with the prior art, still has following advantage:

(1) according to the principle of orifice chamfer punch forming, orifice burrs are kept and not removed, orifice aluminum skin is removed by a manufactured punch needle and then chamfer forming is directly carried out, and the deformation of a product is improved by the pressure maintaining function of a hydraulic press;

(2) the labor for removing the hair at the orifice and the labor for shaping the workpiece are eliminated, so that the production efficiency is improved, and the labor cost is reduced;

(3) simple structure, convenient operation is swift.

Drawings

FIG. 1 is a schematic structural view of a base plate;

FIG. 2 is a schematic structural view of the top plate;

FIG. 3 is a schematic structural view of the lower top plate;

FIG. 4 is an enlarged partial view of the stepped connecting via of FIG. 3;

FIG. 5 is a schematic structural view of the upper top plate;

FIG. 6 is a schematic structural view of the punch pin;

FIG. 7 is an enlarged partial view of the stamped section of FIG. 6;

figure 8 is an exploded view of the spring rebounding apparatus;

fig. 9 is a schematic structural view of the punching deburring device of the present embodiment.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-9, the punching and deburring device comprises a bottom plate 1 and a top plate, wherein the bottom plate 1 and the top plate are of square structures matched with each other;

the bottom plate 1 is fixed on an external workbench, first positioning seats 4 are symmetrically arranged at two ends of the upper surface of the bottom plate 1, and positioning columns 3 are vertically arranged on the first positioning seats 4; the base plate 1 is provided with a threaded hole 5 for mounting an aluminum front cover of the agricultural engine to be treated;

the top plate comprises a lower top plate 8 and an upper top plate 7; two ends of the lower surface of the lower top plate 8 are symmetrically provided with second positioning seats 11, and sleeve barrels 12 matched with the positioning columns 3 are vertically arranged on the second positioning seats 11; a plurality of punching pins 13 matched with connecting holes on an aluminum front cover of the agricultural engine to be treated are vertically and fixedly arranged at corresponding positions on the lower top plate 8; the upper top plate 7 is fixed on the upper surface of the lower top plate 8 through bolts; the upper top plate 7 is horizontally fixed at the head of a hydraulic rod on an external hydraulic device, and the top plate is positioned right above the bottom plate 1.

Further, the punching part 16 at the bottom of the punching needle 13 comprises a chamfer part 17, a support body 18 and a guide part 19 in sequence from top to bottom; the support body 18 is an inverted round platform-shaped structure; so set up, in the in-process that the connecting hole of punching needle 13 to agricultural engine aluminium system protecgulum carries out the punching press, can effectively prevent that its aluminium skin burr that connects the drill way from dropping downtheholely.

Further, here, the inventor discloses a connection mode of the punch pin 13 and the lower top plate 8: a plurality of step-shaped connecting through holes 14 are formed in the lower top plate 8; the head of the punching pin 13 is provided with a connecting part 15 matched with the stepped connecting through hole 14, and the thickness of the connecting part 15 is equal to the height of the stepped connecting through hole 14, so that the top of the connecting part 15 is flush with the upper surface of the lower top plate 8 after the punching pin 13 is installed; and then the upper top plate 7 is fixed on the lower top plate 8.

Further, a plurality of spring rebounding devices 9 are vertically and downwardly arranged on the lower surface of the lower top plate 8, and each spring rebounding device 9 comprises a sleeve joint part 20, a spring 21, a connecting column 22 and a cushion block 23; the connecting column 22 is sleeved in the sleeving part 20 in a sliding manner, and the spring 21 is arranged in the sleeving part 20 and is positioned between the connecting column 22 and the top of the sleeving part 20; the cushion block 23 is fixed at the bottom of the connecting column 22; with the arrangement, after the punching needle 13 is pressed down to abut against the workpiece and is kept for a period of time, the workpiece and the punching needle 13 can be automatically separated through the spring rebounding device 9.

Further, all vertically on the upper surface four corners of bottom plate 1 be equipped with spacing post 2, can effectively carry on spacingly to the roof, prevent to crush the work piece.

Furthermore, the positioning pin 6 is arranged on the upper surface of the bottom plate 1, so that the workpiece can be quickly and accurately fixed on the bottom plate 1, and the efficiency is improved.

The working principle is as follows: firstly, fixing a workpiece on a bottom plate 1, starting an external hydraulic device, enabling a top plate to move downwards, enabling a plurality of punching needles 13 on a lower top plate 8 to be pressed in corresponding connecting holes on the workpiece, synchronously applying pressure to the workpiece by extruding orifices of the workpiece, maintaining the pressure for a period of time by virtue of a pressure maintaining function of the hydraulic machine, and then releasing the pressure, and automatically separating the workpiece from the punching needles 13 under the action of a spring rebounding device 9;

here, the inventor needs to explain that, in the process of downward movement of the top plate, due to the effects of the positioning column 3 and the sleeve 12, the linearity of the movement direction of the top plate can be effectively ensured, and the deviation is prevented.

In the description of the present specification, 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", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (6)

1. The punching and deburring device for the orifice is characterized by comprising a bottom plate and a top plate, wherein the bottom plate and the top plate are of square structures matched with each other;

the bottom plate is fixed on an external workbench, first positioning seats are symmetrically arranged at two ends of the upper surface of the bottom plate, and positioning columns are vertically arranged on the first positioning seats; the bottom plate is provided with a threaded hole for mounting an aluminum front cover of the agricultural engine to be treated;

the top plate comprises a lower top plate and an upper top plate; second positioning seats are symmetrically arranged at two ends of the lower surface of the lower top plate, and sleeve barrels matched with the positioning columns are vertically arranged on the second positioning seats; a plurality of punching pins matched with the connecting holes on the aluminum front cover of the agricultural engine to be treated are vertically and fixedly arranged at corresponding positions on the lower top plate; the upper top plate is fixed on the upper surface of the lower top plate through bolts; the upper top plate is horizontally fixed at the head of a hydraulic rod on an external hydraulic device, and the top plate is positioned right above the bottom plate.

2. The punching and deburring device of claim 1, wherein the punching part of the bottom of the punching needle comprises a chamfer part, a support body and a guide part in sequence from top to bottom; the support body is of an inverted round table-shaped structure.

3. The punching and deburring device of claim 1 or 2, wherein the lower top plate is provided with a plurality of step-shaped connecting through holes; the head of the punching needle is provided with a connecting part matched with the stepped connecting through hole, the thickness of the connecting part is equal to the height of the stepped connecting through hole, and the punching needle is sleeved on the stepped connecting through hole on the lower top plate through the connecting part.

4. The punching orifice deburring device of claim 3, wherein the lower surface of the lower top plate is vertically provided with a plurality of spring rebounding devices downwards, and the spring rebounding devices comprise sleeving parts, springs, connecting columns and cushion blocks; the connecting column is sleeved in the sleeving part in a sliding manner, and the spring is arranged in the sleeving part and is positioned between the connecting column and the top of the sleeving part; the cushion block is fixed at the bottom of the connecting column.

5. The punching and deburring device of claim 4 wherein four corners of the upper surface of said base plate are vertically provided with limiting posts.

6. The punch orifice deburring apparatus of claim 1 wherein said bottom plate has a locating pin on an upper surface thereof.

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