CN202824206U

CN202824206U - Axial bronze lock body hot extrusion mould

Info

Publication number: CN202824206U
Application number: CN 201220423627
Authority: CN
Inventors: 陆颂荫
Original assignee: Ningbo Yinzhou Jianjun Machinery Technology Co Ltd
Current assignee: Ningbo Yinzhou Jianjun Machinery Technology Co Ltd
Priority date: 2012-08-24
Filing date: 2012-08-24
Publication date: 2013-03-27
Anticipated expiration: 2022-08-24

Abstract

Disclosed is an axial bronze lock body hot extrusion mould. The axial bronze lock body hot extrusion mould comprises an upper mould and a lower mould. The upper mould comprises a mould handle, an upper mould plate, an upper mould base plate, an upper fixed plate which is provided with an upper convex mould, an elastic body, and a stripper base plate, wherein the mould handle, the upper mould plate, the upper mould base plate, the upper fixed plate, the elastic body, and the stripper base seat are successively connected from up to down. The lower mould comprises a concave mould sleeve which is provided with a lower concave mould, a moving mould sleeve which is provided with a moving mould, a lower fixed plate, a lower mould base plate, a lower mould plate, and an ejector rod fixed plate which is provided with an ejector rod. A guide hole and a first forming hole are successively formed in the upper convex mould from up to down. A second forming hole is formed in the lower concave mould. The guide hole is matched with a cylinder head of a lower mould core and protrudes the second forming hole, the lower end of the cylinder head abuts against the lower base plate, and the upper end of the cylinder head penetrates through the moving mould. The lower mould core further comprises a core rod which is composed of the cylinder rod and a square rod which is arranged on one side of the cylinder rod, a connecting position of the cylinder rod inside the core rod and the cylinder head is provided with an inclined face, and a connecting position of the square rod inside the core rod and the inclined face is provided with an arc face. The axial bronze lock body hot extrusion mould can improve production efficiency and raise product quality.

Description

Axial copper lock body hot-extrusion mold

Technical field

The utility model relates to the hot-extrusion mold technical field, specifically is a kind of axial copper lock body hot-extrusion mold.

Background technology

A kind of axial copper lock body 21 is arranged at present, its structure comprises a socket cap 21.1 and cylinder-type lock body 21.2 as shown in Figure 4, axially be provided with in the copper lock body 21 for the irregular hole that lock core is installed, described irregular hole comprises diameter less small cylindrical opening 21.3 and the larger big column hole 21.4 of diameter, described big column hole 21.4 one sides also are connected with square hole 21.5, by being provided with transition inclined-plane 21.6, described square hole 21.5 and 21.6 junctions, transition inclined-plane are provided with the cambered surface 21.7 of transition between described big column hole 21.4 and the small cylindrical opening 21.3.The described axial copper lock body of existing processing is to adopt extrusion process, but transition inclined-plane 21.6 and the cambered surface 21.7 of Die Casting explained hereafter axial copper lock body out are difficult for die casting out, need follow-up machining, cause production efficiency not high; The axial copper surface of lock body burr that die casting goes out is more, and pore etc. appears in inside easily, so that product quality is not high.

The utility model content

The technical problems to be solved in the utility model is, the axial copper lock body hot-extrusion mold that provides a kind of and can enhance productivity, improve the quality of products.

The technical solution of the utility model is, the axial copper lock body of the utility model hot-extrusion mold, it comprises upper die and lower die, described patrix comprises the die shank that sequentially connects from top to bottom, cope match-plate pattern, upper die plate, be provided with the upper mounted plate of upper male mould, elastomer, take off the backing strap plate, the described backing strap plate that takes off is provided with the first hole, elastomer and the first hole sliding fit are passed in the upper male mould lower end, described counterdie comprises the die case that is provided with lower cavity die, be provided with the dynamic model cover of dynamic model, bottom plate, the counterdie backing plate, lower bolster and the push rod fixed head that is provided with push rod, described die case, the dynamic model cover, bottom plate, the counterdie backing plate is connected with lower bolster sequentially to connect, described push rod lower end is connected with the push rod fixed head, described push rod passes lower bolster successively, its upper end of counterdie backing plate and bottom plate offsets with dynamic model, described dynamic model be located at the inverted T shape hole sliding fit that dynamic model puts, described upper male mould is provided with pilot hole and the first forming hole from top to bottom successively, described lower cavity die is provided with the second forming hole, described pilot hole and lower end are against the counterdie backing plate, the upper end is passed dynamic model and is protruded the socket cap sliding fit of the lower mold core of the second forming hole, described lower mold core also comprises the core bar that is made of cylindrical bar and the square bar that is located at cylindrical bar one side, cylindrical bar in the described core bar and column cap junction are provided with the inclined-plane, and the square bar in the described core bar and junction, inclined-plane are provided with arc surface.

Operation principle of the present utility model is, adopt copper pipe as raw material, add man-hour, at first copper pipe is heated, be enclosed within on the lower mold core, then patrix and counterdie matched moulds, the cylindrical bar of lower mold core upper end slips in the pilot hole, copper pipe top is introduced into the first hole, matched moulds continues, and dynamic model moves downward to inverted T shape hole lower dead center, and elastomer is compressed in the matched moulds process, the upper male mould lower end can be moved downward in the matched moulds process always, upper male mould stops to move downward rear matched moulds and will continue, and copper pipe also will further be pushed, like this at the first forming hole, the second forming hole, in the forming cavity that lower mold core and dynamic model form, it is required form that copper pipe is extruded moulding, be axial copper lock body, after the die sinking, the moving knock-pin of shipper pole upwards pushes dynamic model on the push rod fixed head, dynamic model ejects product, thereby finishes product stripping.

After adopting said structure, the utility model compared with prior art, have the following advantages: in conjunction with technique scheme and operation principle as can be known, the mutual cooperation of each parts can realize the hot extrusion molding of axial copper lock body, and axially the chamfering on the copper lock body etc. can both squeeze out by hot-extrusion mold, and it is high to have improved production efficiency, again the process that crystallization is arranged by the copper spare after the heating in the hot extrusion process, product density increases, and burr and pore reduce, and have improved product quality.

As preferably, described dynamic model upper end diameter is less than the diameter of the second forming hole, the dynamic model upper end diameter be equal to or less than the diameter of the second forming hole could be when the demoulding dynamic model under the push rod effect, move product ejected, but the dynamic model upper end was larger with the direct frictional force of the second forming hole when the dynamic model upper end diameter equaled the diameter of the second forming hole, and ejecting product needs larger ejecting force; And the dynamic model upper end diameter is during less than the diameter of the second forming hole, and the dynamic model upper end reduces with the direct frictional force of the second forming hole, and the ejecting force that needs reduces.

As improvement, described patrix is provided with four guide pillars, described counterdie is provided with the guide pillar hole, described guide pillar upper end is fixed on the upper mounted plate, described guide pillar lower end is passed successively elastomer, is taken off backing strap plate and guide pillar hole sliding fit, and general mould cooperates to lead by the guide pillar on the patrix and the guide pin bushing on the counterdie when matched moulds, and direct guide pillar with patrix cooperates with the guide pillar hole of counterdie in the utility model, saved guide pin bushing, structure is simpler, compact.

Description of drawings

Fig. 1 is the structural representation that the axial copper lock body of the utility model hot-extrusion mold adds man-hour.

Structural representation when Fig. 2 is the die sinking of the axial copper lock body of the utility model hot-extrusion mold.

Structural representation when Fig. 3 is the demoulding of the axial copper lock body of the utility model hot-extrusion mold.

Fig. 4 is the product structure schematic diagram.

Shown in the figure, 1, die shank, 2, cope match-plate pattern, 3, upper die plate, 4, upper mounted plate, 5, elastomer, 6, take off the backing strap plate, 7, die case, 8, the dynamic model cover, 8.1, the inverted T shape hole, 9, bottom plate, 10, the counterdie backing plate, 11, lower bolster, 12, the push rod fixed head, 13, upper male mould, 14, the first hole, 15, pilot hole, 16, the first forming hole, 17, lower cavity die, 18, the second forming hole, 19, dynamic model, 20, lower mold core, 20.1, column cap, 20.2, core bar, 20.3, the inclined-plane, 20.4, arc surface, 21, product, 21.1, socket cap, 21.2, the cylinder-type lock body, 21.3, small cylindrical opening, 21.4, the big column hole, 21.5, square hole, 21.6, the transition inclined-plane, 21.7, cambered surface, 22, guide pillar, 23, the guide pillar hole, 24, short hexagon socket head cap screw, 25, combined screw, 26, little guide pillar, 27, long hexagon socket head cap screw, 28, push rod.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Please refer to Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the axial copper lock body of the utility model hot-extrusion mold, it comprises upper die and lower die, described patrix comprises the die shank 1 that sequentially connects from top to bottom, cope match-plate pattern 2, upper die plate 3, be provided with the upper mounted plate 4 of upper male mould 13, elastomer 5, take off backing strap plate 6, the described backing strap plate 6 that takes off is provided with the first hole 14, elastomer 5 and the first hole 14 sliding fits are passed in upper male mould 13 lower ends, described counterdie comprises the die case 7 that is provided with lower cavity die 17, be provided with the dynamic model cover 8 of dynamic model 19, bottom plate 9, counterdie backing plate 10, lower bolster 11 and the push rod fixed head 12 that is provided with push rod 28, described die case 7, dynamic model cover 8, bottom plate 9, counterdie backing plate 10 is connected with lower bolster from bottom to top and is sequentially connected, described push rod 28 lower ends are connected with push rod fixed head 12, described push rod 28 passes lower bolster 11 successively, counterdie backing plate 10 and bottom plate 9 upper ends and dynamic model 19 offset, described dynamic model 19 and inverted T shape hole 8.1 sliding fits that are located on the dynamic model cover 8, described upper male mould 13 is provided with pilot hole 15 and the first forming hole 16 from top to bottom successively, described lower cavity die 17 is provided with the second forming hole 18, described pilot hole 15 is against counterdie backing plate 10 with the lower end, the upper end is passed dynamic model 19 and is protruded column cap 20.1 sliding fits of the lower mold core 20 of the second forming hole 18, described lower mold core 20 also comprises the core bar 20.2 that is made of cylindrical bar and the square bar that is located at cylindrical bar one side, cylindrical bar in the described core bar 20.2 and column cap 20.1 junctions are provided with inclined-plane 20.3, and the square bar in the described core bar 20.2 and 20.3 junctions, inclined-plane are provided with arc surface 20.4.Wherein, the elastomer 5 general rubber blankets that adopt.

Described dynamic model 19 upper end diameter are less than the diameter of the second forming hole 18.

Described patrix is provided with four guide pillars 22, and described counterdie is provided with guide pillar hole 23, and described guide pillar 22 upper ends are fixed on the upper mounted plate 4, and described guide pillar 22 lower ends are passed successively elastomer 5, taken off backing strap plate 6 and guide pillar hole 23 sliding fits.

All be decorated with product 21 among Fig. 1, Fig. 2 and Fig. 3.

In this example, the first forming hole 16 and the second forming hole 18 are circular hole; Die shank 1 lower end is provided with an annular protrusion, cope match-plate pattern 2 is provided with the looping pit that matches with annular protrusion, die shank 1 part is upward through cope match-plate pattern 2, annular protrusion cooperates with looping pit, and upper die plate 3 is pressed on annular protrusion in the looping pit, like this, finish die shank 1 and install, die shank 1 is axially inactive; Described cope match-plate pattern 2, upper die plate 3, upper mounted plate 4 short hexagon socket head cap screw 24 behind guide pillar 22 location is fastening, described die case 7, dynamic model cover 8, bottom plate 9, counterdie backing plate 10 and lower bolster 11 tighten together with long hexagon socket head cap screw 27 after locating by little guide pillar 26 again; Described elastomer 5, take off backing strap plate 6, be pressed on the upper mounted plate 4 by combined screw 25, because combined screw 25 can move upward, like this, in the matched moulds process, elastomer 5 is extruded, and elastomer 5, takes off the integral body that backing strap plate 6 forms and can integral body move upward.

Claims

1. axial copper lock body hot-extrusion mold, it comprises upper die and lower die, described patrix comprises the die shank (1) that sequentially connects from top to bottom, cope match-plate pattern (2), upper die plate (3), be provided with the upper mounted plate (4) of upper male mould (13), elastomer (5), take off backing strap plate (6), the described backing strap plate (6) that takes off is provided with the first hole (14), elastomer (5) and the first hole (14) sliding fit are passed in upper male mould (13) lower end, described counterdie comprises the die case (7) that is provided with lower cavity die (17), be provided with the dynamic model cover (8) of dynamic model (19), bottom plate (9), counterdie backing plate (10), lower bolster (11) and be provided with the push rod fixed head (12) of push rod (28), described die case (7), dynamic model cover (8), bottom plate (9), counterdie backing plate (10) is connected 11 with lower bolster) sequentially connect from bottom to top, described push rod (28) lower end is connected with push rod fixed head (12), described push rod (28) passes lower bolster (11) successively, its upper end of counterdie backing plate (10) and bottom plate (9) offsets with dynamic model (19), described dynamic model (19) and inverted T shape hole (8.1) sliding fit that is located on the dynamic model cover (8), it is characterized in that: described upper male mould (13) is provided with pilot hole (15) and the first forming hole (16) from top to bottom successively, described lower cavity die (17) is provided with the second forming hole (18), described pilot hole (15) is against counterdie backing plate (10) with the lower end, the upper end is passed dynamic model (19) and is protruded column cap (20.1) sliding fit of the lower mold core (20) of the second forming hole (18), described lower mold core (20) also comprises the core bar (20.2) that is made of cylindrical bar and the square bar that is located at cylindrical bar one side, cylindrical bar in the described core bar (20.2) and column cap (20.1) junction are provided with inclined-plane (20.3), and the square bar in the described core bar (20.2) and junction, inclined-plane (20.3) are provided with arc surface (20.4).

2. axial copper lock body hot-extrusion mold according to claim 1, it is characterized in that: described dynamic model (19) upper end diameter is less than the diameter of the second forming hole (18).

3. axial copper lock body hot-extrusion mold according to claim 1, it is characterized in that: described patrix is provided with four guide pillars (22), described counterdie is provided with guide pillar hole (23), described guide pillar (22) upper end is fixed on the upper mounted plate (4), and described guide pillar (22) lower end is passed successively elastomer (5), taken off backing strap plate (6) and guide pillar hole (23) sliding fit.