CN211638169U

CN211638169U - One-step forging forming die for inner cavity of ball socket hardware fitting

Info

Publication number: CN211638169U
Application number: CN201922380873.0U
Authority: CN
Inventors: 陈兵; 陈辉
Original assignee: Rugao Linda Line Hardware Co ltd
Current assignee: Rugao Linda Line Hardware Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-09
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to a one-step forging forming die for an inner cavity of a ball socket hardware fitting, which comprises a pair of upper die and lower die which are distributed up and down and are matched for use, wherein the upper die and the lower die form a ball socket hardware fitting cavity together after being matched; go up and be formed through the subassembly connection that floats between mould and the lower mould, the subassembly that floats is: at least one pair of floating springs is arranged between the upper die and the lower die, the top ends of the floating springs are fixed with the bottom end of the upper die, and the bottom ends of the floating springs are fixed with the upper end of the lower die; an upper punch is further arranged above the upper die and mounted on the upper die plate, and the upper punch is driven by the upper die plate to lift up and down. The invention has the advantages that: adopt the subassembly that floats to be connected between to last mould and the lower mould and form for last mould can have the ability of fluctuation for the lower mould, realizes the automatic drawing of patterns of ball socket gold utensil through the cooperation between the unsteady last mould and the upper punch like this, unusual convenience, the drawing of patterns is efficient.

Description

One-step forging forming die for inner cavity of ball socket hardware fitting

Technical Field

The utility model relates to a ball socket gold utensil forges field, in particular to ball socket gold utensil inner chamber one shot forming die forges.

Background

As shown in fig. 1, the composite insulator ball socket fitting has a ball socket b at a fitting end a, and the existing composite insulator ball socket fittings are manufactured by a casting method, which has the following disadvantages: the internal structure is loose, the defects of shrinkage cavity, cracks and the like exist, the quality cannot meet the requirement, the potential safety hazard is large, and the scrap rate is high.

Therefore, in view of the above phenomena, patent CN102989968A discloses a forging and forming die for composite insulator ball-and-socket fittings, which is innovative in that: the device comprises an upper template, a male die, a movable die holder, a fixed die holder, a lower template and a demoulding ejector rod, wherein the male die is arranged on the upper template; the left movable die holder and the right movable die holder are respectively provided with a left die core and a right die core, and the left die core and the right die core form a cavity for placing the ball socket hardware after being assembled; the fixed die holder is fixed on the lower die plate, an inner cavity is formed in the center of the fixed die holder, the left movable die holder and the right movable die holder are arranged in the inner cavity of the fixed die holder, and the left movable die holder and the right movable die holder are matched with the side wall of the inner cavity of the fixed die holder through a guide structure with the upper end inclined outwards. During pressing, the ball socket hardware fitting blank is pre-forged and trimmed and then placed in a die core, a male die descends, and a ball socket is pressed and formed in the die core at one time; when in demoulding, the demoulding cylinder jacks upwards, the mould core moves upwards along with the left and right movable seats and is opened towards two sides, so that demoulding can be realized, the pressing efficiency is high, and the rejection rate of the manufactured ball socket hardware fitting is low.

The forging forming die still has certain defects in the using process: when the demoulding is carried out, the upper template moves upwards, the male die leaves the die core, the demoulding ejector rod is ejected out, and the die core moves upwards along with the left movable seat and the right movable seat and is opened towards two sides, so that the demoulding is realized. The demolding mode needs to involve upward movement of a plurality of parts such as the male die, the demolding ejector rod, the die core, the left movable seat and the right movable seat, demolding of the hardware fitting ball socket can be achieved, the process is complex, great troubles are caused, and demolding efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a convenient, efficient ball socket gold utensil inner chamber one shot forging forming die of drawing of patterns.

In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a ball nest gold utensil inner chamber one shot forming die that forges, its innovation point lies in: comprises that

The upper die and the lower die are matched for use, a ball socket fitting cavity is formed by the upper die and the lower die after the upper die and the lower die are closed, and a guide assembly is arranged between the upper die and the lower die;

go up and be formed through the subassembly connection that floats between mould and the lower mould, the subassembly that floats is: at least one pair of floating springs is arranged between the upper die and the lower die, the top ends of the floating springs are fixed with the bottom end of the upper die, and the bottom ends of the floating springs are fixed with the upper end of the lower die;

an upper punch is further arranged above the upper die and mounted on the upper die plate, a through hole allowing the upper punch to penetrate through is further formed in the upper die, and the upper punch is driven by the upper die plate to lift up and down, so that the upper punch penetrates through the through hole in the upper die and then enters the socket hardware die cavity.

Furthermore, a groove for embedding and installing the floating spring is formed in the upper end face of the lower die.

Furthermore, a floating limiting rod is further installed in the floating spring, the top end of the floating limiting rod is fixed to the bottom end of the upper die, the lower end of the floating limiting rod vertically penetrates through the lower die from top to bottom, and a through hole for the floating limiting rod to penetrate through is formed in the lower die.

Further, the guide assembly is: install four guide bars that are the rectangle and distribute between last mould and lower mould, the bottom mounting of guide bar is on the up end of lower mould, and the top of guide bar extends the top of last mould after passing on last mould, has the guiding hole that holds the guide bar and pass on last mould, lies in each guiding hole department on last mould and still is provided with the uide bushing.

The utility model has the advantages that: the utility model provides a forging mould is connected to adopting the subassembly that floats between last mould and the lower mould to form for go up the mould and can have the ability of fluctuation for the lower mould, realize the automatic drawing of patterns of ball socket gold utensil through the cooperation between unsteady last mould and the upper punch like this, unusual convenience, the drawing of patterns is efficient.

To the design of the recess on the lower mould, then when floating spring contracts, can carry on spacingly to floating spring's shrink stroke, avoid floating spring to lead to the skew because of the shrink power, ensure the relative position of mould and lower mould, adopt such setting moreover for the compound die that laminating completely can be realized to last lower mould, the laminating completely of mould provides the basis on realizing for some processing operating mode demands, avoid leading to having the clearance between the lower mould because of floating spring's existence.

The floating limiting rod in the floating spring is arranged, so that the stroke of the floating spring is guided in the process of stretching or contracting the floating spring, and the phenomenon that the floating spring deviates and the phenomenon that the upper die deviates to influence the die assembly of the upper die and the lower die is avoided.

The guide assembly is arranged, and the guide rod and the guide sleeve are matched with each other, so that the stroke of the upper die is guided in the process of ascending and descending of the upper die, the phenomenon of deviation of the upper die is avoided, and the stability of the relative position of the upper die and the lower die is ensured.

Drawings

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

Fig. 1 is a schematic view of a ball and socket.

Fig. 2 is the utility model discloses a ball socket gold utensil inner chamber one shot forging forming die's schematic diagram.

Detailed Description

The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.

A die for forging and forming the inner cavity of socket fitting in one step as shown in FIG. 2 comprises

The ball socket fitting mold comprises a pair of upper mold 1 and lower mold 2 which are vertically distributed and matched, wherein a ball socket fitting mold cavity is formed after the upper mold 1 and the lower mold 2 are closed, and a guide assembly is further arranged between the upper mold 1 and the lower mold 2.

The guide assembly is: install four guide bars 3 that are the rectangle and distribute between last mould 1 and lower mould 2, the bottom mounting of guide bar 3 is on the up end of lower mould 2, the top of guide bar 3 extends the top of last mould 1 after passing from last mould 1, has the guiding hole that holds guide bar 3 and pass on last mould 1, it still is provided with the uide bushing to lie in each guiding hole department on last mould 1, the uide bushing is fixed in the bottom of last mould 1, has the through-hole that holds guide bar 3 and pass on the uide bushing. The guide assembly is arranged, and the guide rod 3 and the guide sleeve are matched with each other, so that in the process of ascending and descending the upper die 1, the stroke of the upper die 1 is guided, the phenomenon of deviation of the upper die 1 is avoided, and the stability of the relative position of the upper die 1 and the lower die 2 is ensured.

Go up and be formed by connecting through a subassembly that floats between mould 1 and the lower mould 2, the subassembly that floats is: at least one pair of floating springs 4 are arranged between the upper die 1 and the lower die 2, the top ends of the floating springs 4 are fixed with the bottom end of the upper die 1, and the bottom ends of the floating springs 4 are fixed with the upper end of the lower die 2. Adopt the subassembly that floats to be connected between going up mould 1 and the lower mould 2 and form for go up mould 1 can have the ability of fluctuation for lower mould 2, realize the automatic drawing of patterns of ball socket gold utensil through the cooperation between the unsteady last mould 1 and the upper punch like this, unusual convenience, the drawing of patterns is efficient.

The upper end surface of the lower die 2 is also provided with a groove for embedding and installing the floating spring 4. To the design of the recess on the lower mould 2, then when floating spring 4 contracts, can carry on spacingly to floating spring 4's shrink stroke, avoid floating spring 4 to lead to the skew because of the contraction force, ensure the relative position of last mould 1 and lower mould 2, and adopt such setting, make go up mould 1 and lower mould 2 and can realize the compound die of laminating completely, for certain processing operating mode demand realize going up mould 1 and lower mould 2's laminating completely and provide the basis, avoid because of floating spring 4's existence and lead to going up to have the clearance between mould 1 and the lower mould 2.

A floating limiting rod 5 is further installed in the floating spring 4, the top end of the floating limiting rod 5 is fixed with the bottom end of the upper die 1, the lower end of the floating limiting rod 5 vertically penetrates through the lower die 2 from top to bottom, and a through hole for the floating limiting rod 5 to penetrate through is formed in the lower die 2. The floating limiting rod 5 in the floating spring 4 is arranged to guide the stroke of the floating spring 4 in the process of stretching or contracting the floating spring 4, so that the phenomenon that the floating spring 4 deviates is avoided, and the phenomenon that the upper die 1 deviates is caused to influence the smooth die assembly between the upper die 1 and the lower die 2.

An upper punch 6 is further arranged above the upper die 1, the upper punch 6 is mounted on an upper die plate 7, the upper die plate 7 is driven by an upper main cylinder to lift up and down, a through hole 8 allowing the upper punch 6 to penetrate through is further formed in the upper die 1, the upper punch 6 is driven by the upper die plate 7 to lift up and down, and therefore the upper punch 6 enters the socket hardware mold cavity after penetrating through the through hole in the upper die 1.

The working principle is as follows: when the socket fitting is forged, firstly, a semi-finished product of the socket fitting is put into a cavity of a lower die 2 from a gap between an upper die 1 and the lower die 2, then an upper main cylinder drives an upper template 7 to move downwards and drives an upper punch 6 to move downwards, the lower punch 6 passes through a through hole 8 on the upper die 1, simultaneously, along with the downward movement of the lower template 7, the lower template 7 presses the upper die 1 to move downwards simultaneously, the downward movement of the upper die 1 gives a certain pressure to a floating spring 4, and the floating spring 4 is made to shrink downwards, so that the upper die 1 and the lower die 2 are closed, the lower punch 6 completes hole forging processing on the socket fitting while closing the die, after the hole forging is completed, the upper template 7 moves upwards to drive the upper punch 6 to move upwards, and the upper punch 6 moves upwards, because the inner hole of the socket fitting is processed in a forging mode, so that the socket fitting and the upper punch 6 are relatively tight, thereby in the time of the upper punch 6 ascending, the ball socket gold utensil can be ascending along with upper punch 6, thereby break away from the lower mould, in addition, when cope match-plate pattern 7 is ascending, the power of applying for floating spring 4 also can disappear gradually, consequently, it can reset at floating spring 4's effect rebound to go up mould 1, when upper punch 6 is gradually downwards, the ball socket gold utensil can be because the effect of blockking of last mould 1 and can't be ascending, when upper punch 6 breaks away from last mould 1, the ball socket gold utensil can break away from with upper punch 6, and drop under the effect of self, thereby accomplish the drawing of patterns, whole drawing of patterns process, unusual convenience, need not to use the cooperation of parts such as ejector pin down, drawing of patterns efficiency is also relatively high.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ball nest gold utensil inner chamber one shot forming die that forges which characterized in that: comprises that

2. The one-time forging forming die for the inner cavity of the ball socket fitting according to claim 1, wherein: and the upper end surface of the lower die is also provided with a groove for embedding and installing the floating spring.

3. The one-time forging forming die for the inner cavity of the ball socket fitting according to claim 1, wherein: the floating spring is internally provided with a floating limiting rod, the top end of the floating limiting rod is fixed with the bottom end of the upper die, the lower end of the floating limiting rod vertically penetrates through the lower die from top to bottom, and the lower die is provided with a through hole for the floating limiting rod to penetrate through.

4. The one-time forging forming die for the inner cavity of the ball socket fitting according to claim 1, wherein: the guide assembly is: install four guide bars that are the rectangle and distribute between last mould and lower mould, the bottom mounting of guide bar is on the up end of lower mould, and the top of guide bar extends the top of last mould after passing on last mould, has the guiding hole that holds the guide bar and pass on last mould, lies in each guiding hole department on last mould and still is provided with the uide bushing.