CN217912257U - Powder metallurgy injection moulding watchcase plastic tool - Google Patents

Abstract

The utility model discloses a powder metallurgy injection moulding watchcase plastic tool, including the tool bottom plate, the top of tool bottom plate is connected with the bottom plate, the top of bottom plate is connected with the lower bolster, the top of lower bolster is equipped with the cope match-plate pattern, the top of cope match-plate pattern is connected with the upper fixed plate, the top of upper fixed plate is connected with the tool roof, the storage tank has been seted up to the bottom of cope match-plate pattern, the inner wall left and right sides symmetry of storage tank is connected with vertical guide block, the bottom wall center of storage tank is connected with outer briquetting, the center of outer briquetting inlays and is equipped with interior briquetting; the utility model has the advantages of reasonable design, a plurality of positions of plastic product simultaneously for the uniformity of the product that the plastic goes out on shape and size is very high, and the product percent of pass that the plastic goes out is higher, has improved plastic efficiency.

Description

Powder metallurgy injection moulding watchcase plastic tool

Technical Field

The utility model relates to a plastic tool technical field especially relates to a powder metallurgy injection moulding watchcase plastic tool.

Background

The metal powder injection molding technology can mold three-dimensional parts with complex structures, is short in production period, low in cost, high in efficiency, stable in product performance and capable of being produced in batches, so that the technology is known as the most popular part molding technology at present, and is widely applied to the fields of aerospace, medical appliances, intelligent wearing, mechanical industry, automobile industry and the like. Along with people dress the demand of product constantly rising to intelligence, intelligence wrist-watch is more and more favored. However, the watch case has a complicated structure, so that the appearance of the watch case is different from the designed index in shape and size inevitably after the sintering process is finished, and a shaping process needs to be added in the post-treatment to meet the requirement of the designed index.

Therefore, a shaping jig which is simple in structure, convenient to maintain and low in price and can simultaneously shape a plurality of parts of a product is designed at the present stage, so that the shaped product is high in consistency on shape and size, the qualified rate of the shaped product is high, and the shaping efficiency is improved. Therefore, a powder metallurgy injection molding watchcase shaping jig is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a powder metallurgy injection moulding watchcase plastic tool to overcome the technical problem who exists among the prior art.

In order to realize the technical purpose, the technical effect is achieved, the utility model provides a following technical scheme:

the utility model provides a powder metallurgy injection moulding watchcase plastic tool, includes the tool bottom plate, the top of tool bottom plate is connected with the bottom plate, the top of bottom plate is connected with the lower bolster, the top of lower bolster is equipped with the cope match-plate pattern, the top of cope match-plate pattern is connected with the upper fixed plate, the top of upper fixed plate is connected with the tool roof, the storage tank has been seted up to the bottom of cope match-plate pattern, the inner wall left and right sides symmetric connection of storage tank has the perpendicular guide block, the diapire center of storage tank is connected with outer briquetting, the center of outer briquetting inlays and is equipped with interior briquetting.

Preferably, in a powder metallurgy injection moulding watchcase plastic tool, the die cavity has been seted up at the top of lower bolster, the diapire center of die cavity inlays and is equipped with the backup pad, interior expanding block is installed all around to the top of backup pad, the guiding hole has been seted up at the center of backup pad, it has the ejector pin to run through in the guiding hole, ejector pin lower extreme rigid coupling tool bottom plate.

Preferably, in a powder metallurgy injection moulding watchcase plastic tool, the inclined plane butt of perpendicular guide block has the side ejector pad, two the one end symmetry that the side ejector pad is close to is connected with the shaping block, is equipped with the watchcase work piece between two the shaping block.

Preferably, in a powder metallurgy injection moulding watchcase plastic tool, the outer wall of interior expanding block has seted up and has accomodate the groove, accomodate the inslot and connect the spring, spring end connection die cavity inside wall.

Preferably, in a powder metallurgy injection moulding watchcase plastic tool, the front and back end symmetry of die cavity has seted up the spacing groove, the front and back end of side ejector pad is equipped with the sand grip with spacing groove matched with.

Preferably, in a powder metallurgy injection moulding watchcase plastic tool, the ejector pin below is the cuboid, upper portion is the setting of terrace with edge structure.

The beneficial effects of the utility model are that:

the utility model has the advantages of reasonable design, tool simple structure, maintenance convenience, low price, a plurality of positions that can the product of plastic simultaneously for the uniformity of the product that the plastic goes out on shape and size is very high, and the product percent of pass that the plastic goes out is higher, has improved plastic efficiency. In addition, the jig has lower requirement on the operability of staff and stronger functionality and is suitable for mass production.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some examples of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the middle side pushing block of the present invention;

fig. 4 is a schematic structural view of the middle support plate of the present invention;

FIG. 5 is a schematic structural view of the middle expanding block of the present invention;

FIG. 6 is a schematic structural view of the middle post rod of the present invention;

FIG. 7 is a schematic view of a middle watch case of the present invention;

in the figure: 1. a jig base plate; 2. a lower fixing plate; 3. a lower template; 4. mounting a template; 5. an upper fixing plate; 6. a jig top plate; 7. a containing groove; 8. a vertical guide block; 9. pressing the block outside; 10. pressing the block; 11. a cavity; 12. a support plate; 13. internal expanding blocks; 14. a guide hole; 15. a top rod; 16. a side push block; 17. shaping blocks; 18. a case workpiece; 131. a receiving groove; 132. a spring; 111. a limiting groove; 161. and (4) raised strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, the present embodiment is a powder metallurgy injection molding watchcase shaping jig, including a jig bottom plate 1, a bottom plate 2 is connected to the top of the jig bottom plate 1, a bottom plate 3 is connected to the top of the bottom plate 2, an upper template 4 is disposed above the lower template 3, an upper fixed plate 5 is connected to the top of the upper template 4, a jig top plate 6 is connected to the top of the upper fixed plate 5, a containing groove 7 is disposed at the bottom of the upper template 4, vertical guide blocks 8 are symmetrically connected to the left and right sides of the inner wall of the containing groove 7, an outer press block 9 is connected to the center of the bottom wall of the containing groove 7, and an inner press block 10 is embedded in the center of the outer press block 9.

The top of lower bolster 3 has seted up die cavity 11, and the diapire center of die cavity 11 is inlayed and is equipped with backup pad 12, and interior expanding block 13 is installed around the top of backup pad 12, and guiding hole 14 has been seted up at the center of backup pad 12, and it has ejector pin 15 to run through in the guiding hole 14, and ejector pin 15 lower extreme rigid coupling tool bottom plate 1.

The inclined plane of the vertical guide block 8 is abutted with a side push block 16, one end of the two side push blocks 16 close to each other is symmetrically connected with a shaping block 17, and a watchcase workpiece 18 is arranged between the two shaping blocks 17.

The outer wall of the inner expanding block 13 is provided with a containing groove 131, a spring 132 is connected in the containing groove 131, and the end part of the spring 132 is connected with the inner side wall of the cavity 11.

The front and rear ends of the cavity 11 are symmetrically provided with a limiting groove 111, and the front and rear ends of the side push block 16 are provided with a convex strip 161 matched with the limiting groove 111.

The lower part of the mandril 15 is cuboid, and the upper part is arranged in a prismoid structure.

The utility model discloses a concrete implementation way does:

when the shaping jig is used, firstly, the difference between the size of a part to be shaped and the size of a designed index scale is determined, so that the size of the jig is conveniently designed; secondly, confirm the position complexity of the part that needs to reshape and the degree of difficulty of reshaping to the design index, conveniently design the tool structure, finally when two moulds merge, the side push block 16 of both sides will be pushed inwards under the promotion of the vertical guide block 8 that contacts with it, in order to reshape the watchcase work piece 18 sidewall containing through hole or blind hole, and at this moment inner briquetting 10 and outer briquetting 9 at watchcase work piece 18 upper portion will also reshape inner frame upper wall and watchcase outer frame upper wall of watchcase work piece 18 respectively, in addition, the ejector pin 15 will be moved up under the promotion of the lower mould to make the inner expanding block 13 expand outwards, reach the shape and size of reshaping watchcase work piece 18 inner frame mouth, each inner expanding block 13 inside all contains a spring 132, when the compound die finishes again the mould opening for 10 seconds and ensures the shaping effect is best. When the mould is opened, all parts can be orderly restored to the initial state under the pushing of the spring 132, the shaped product is sent to the measuring chamber for measurement, whether the shape and the size of the shaped product reach the design standard or not is judged, and the qualified rate of the shape and the size of the watchcase shaped by the shaping jig is close to 100% through detection, and the efficiency is high.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means 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 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.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a powder metallurgy injection moulding watchcase plastic tool, includes tool bottom plate (1), its characterized in that: the top of tool bottom plate (1) is connected with bottom plate (2), the top of bottom plate (2) is connected with lower bolster (3), the top of lower bolster (3) is equipped with cope match-plate pattern (4), the top of cope match-plate pattern (4) is connected with upper fixed plate (5), the top of cope match-plate pattern (5) is connected with tool roof (6), storage tank (7) have been seted up to the bottom of cope match-plate pattern (4), the inner wall left and right sides symmetric connection of storage tank (7) has vertical guide block (8), the diapire center of storage tank (7) is connected with outer briquetting (9), the center of outer briquetting (9) inlays and is equipped with interior briquetting (10).

2. The powder metallurgy injection molding watchcase plastic tool of claim 1, characterized in that: die cavity (11) have been seted up at the top of lower bolster (3), the diapire center of die cavity (11) is inlayed and is equipped with backup pad (12), expand piece (13) in installing around the top of backup pad (12), guiding hole (14) have been seted up at the center of backup pad (12), it has ejector pin (15) to run through in guiding hole (14), ejector pin (15) lower extreme rigid coupling tool bottom plate (1).

3. The powder metallurgy injection molding watchcase plastic tool of claim 2, characterized in that: the inclined plane of the vertical guide block (8) is abutted with side push blocks (16), one ends of the two side push blocks (16) close to each other are symmetrically connected with shaping blocks (17), and a watchcase workpiece (18) is arranged between the two shaping blocks (17).

4. The powder metallurgy injection molding watchcase plastic tool of claim 2, characterized in that: the outer wall of interior expanding piece (13) has been seted up and has been accomodate groove (131), accomodate groove (131) in-connection spring (132), spring (132) end connection die cavity (11) inside wall.

5. The powder metallurgy injection molding watchcase plastic tool of claim 3, characterized in that: limiting grooves (111) are symmetrically formed in the front end and the rear end of the cavity (11), and protruding strips (161) matched with the limiting grooves (111) are arranged at the front end and the rear end of the side push block (16).

6. The powder metallurgy injection molding watchcase plastic tool of claim 2, characterized in that: the lower part of the ejector rod (15) is a cuboid, and the upper part of the ejector rod is of a prismatic table structure.

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