CN113492176A

CN113492176A - Special-shaped metal shell forming die and forming process thereof

Info

Publication number: CN113492176A
Application number: CN202110781280.4A
Authority: CN
Inventors: 邵传清; 李大文; 刘丽明
Original assignee: Shenzhen Pengfu Innovation Technology Co ltd
Current assignee: Shenzhen Pengfu Innovation Technology Co ltd
Priority date: 2021-07-10
Filing date: 2021-07-10
Publication date: 2021-10-12
Anticipated expiration: 2041-07-10
Also published as: CN113492176B

Abstract

The invention discloses a special-shaped metal shell forming die which comprises a base, wherein external pressure fixing slide rails are symmetrically and fixedly connected to the top surface of the base, first slide rails of the external pressure fixing slide rails on two sides face the middle part of the base, the distance between the ends, close to the base, of the first slide rails on the two sides is smaller than the distance between the ends, far away from the base, of the first slide rails on the two sides, an outer package slide block is arranged on the external pressure fixing slide rails in a sliding mode, inner support fixing slide rails are symmetrically and fixedly connected to the top surface of the base, the inner support fixing slide rails are located on the inner sides of the external pressure fixing slide rails on the two sides, second slide rails of the inner support fixing slide rails face the first slide rails, the distance between the ends, close to the base, of the second slide rails on the two sides is larger than the distance between the ends, far away from the base, of the second slide rails, a closing-up die head is arranged on the second slide rails, and the end of an opposite-shaped metal shell is located between the closing-up die head and the outer package slide block. The metal shell end closing device has the effects of closing up the end of a small batch of metal shells and reducing production cost.

Description

Special-shaped metal shell forming die and forming process thereof

Technical Field

The invention relates to the field of metal shell production, in particular to a special-shaped metal shell forming die and a forming process thereof.

Background

The metal shell is applied to each electronic product shell, the electronic product shell is formed by cutting and processing a metal sheet, most electronic products are shaped like a cuboid, and therefore after the metal sheet is formed into the metal shell, the end part of the metal shell is closed.

In general, a bending machine is used to bend the end of the metal shell to form an arc surface, which can be realized only by a large-scale bending device, and for metal shell products with less production, the production cost is increased by using the closing-up mode of the bending device.

Disclosure of Invention

In order to close up the end parts of metal shells in small batches and reduce the production cost, the application provides a special-shaped metal shell forming die and a forming process thereof.

The application provides a pair of dysmorphism metal-back forming die adopts following technical scheme:

a special-shaped metal shell forming die comprises a base, wherein an external pressure fixed slide rail is symmetrically and fixedly connected to the top surface of the base, first slide rails of the external pressure fixed slide rail on two sides face the middle part of the base, the plane of the first slide rails in the length direction is perpendicular to the top surface of the base, the distance between the ends, close to the base, of the first slide rails on two sides is smaller than the distance between the ends, far away from the base, of the first slide rails on two sides, an outer package slide block is arranged on the external pressure fixed slide rail in a sliding mode, an inner support fixed slide rail is symmetrically and fixedly connected to the top surface of the base, the inner support fixed slide rail is located on the inner side of the external pressure fixed slide rails on two sides, a second slide rail of the inner support fixed slide rail faces the first slide rail, the plane of the second slide rail in the length direction is perpendicular to the top surface of the base, the distance between the ends, close to the base, of the second slide rails on two sides is larger than the distance between the ends, far away from the base, and a closing-in die head is arranged on the second slideway in a sliding manner, and a port of the special-shaped metal shell is positioned between the closing-in die head and the outer package sliding block.

Through adopting above-mentioned technical scheme, when needs close up the port of metal-back, place the port of metal-back between close up die head and outsourcing slider, push down the fixed slide rail of internal stay, both sides outsourcing slider shifts up, consequently can utilize the fixed slider of internal stay who moves down and the outsourcing slider that moves up to close up the port of metal-back, therefore close up to the tip of small batch volume metal-back, need not to use large-scale stamping equipment, reduced manufacturing cost.

Preferably, the bottom surface of base is provided with the supporting seat, the top surface of supporting seat has seted up sunken groove, the middle part in sunken groove is fixed with the switching piece, the bottom surface rigid coupling of base have with sunken groove matched with linking piece, the bottom surface of linking piece seted up with switching piece assorted switching groove, the internal slip of switching piece is provided with the grafting piece, the slip direction of grafting piece with the direction of height of supporting seat is perpendicular, seted up on the inner wall in switching groove with grafting piece assorted switching groove, be provided with the drive in the supporting seat insert the gliding actuating mechanism of grafting piece.

Through adopting above-mentioned technical scheme, can place the base on the supporting seat, then in utilizing actuating mechanism drive grafting piece to insert the inserting groove of supporting seat, and then can fix the base on the supporting seat, can improve the stability of base, also improved the stability of mould to guarantee the precision of metal-back binding off.

Preferably, the switching inslot has seted up the inner chamber hole, the supporting seat be located the below of inner chamber hole seted up with the vertical hole of inner chamber hole intercommunication, the horizontal hole that communicates in vertical downthehole portion and supporting seat lateral wall is seted up to the bottom of supporting seat, actuating mechanism include vertical set up in vertical downthehole vertical pole, rigid coupling in the promotion piece at vertical pole top, articulate the wane on horizontal downthehole wall, the one end rigid coupling of wane in the bottom of vertical pole, the other end is located the outside of supporting seat, inclined plane one has been seted up on the lateral wall of promotion piece, the terminal surface of plug-in piece seted up with inclined plane one inconsistent inclined plane two.

Through adopting above-mentioned technical scheme, operating personnel can step on the wane downwards, and the other end of wane can lift vertical pole, and vertical pole upwards promotes and promotes the piece, promotes inclined plane one on the piece and can promote the grafting piece and remove to the inserting groove, until the grafting piece insert in the inserting groove, consequently only need operating personnel step on down the wane can, the operating personnel of being convenient for operate.

Preferably, the pushing block and the side wall perpendicular to the first inclined surface are fixedly connected with a guide strip, and the insertion block and the side wall perpendicular to the second inclined surface are provided with guide grooves matched with the guide strip.

Through adopting above-mentioned technical scheme, when vertical pole moves down, can drive and promote the piece and move down, promote the gib block on the piece and can drive the grafting piece and break away from the spliced eye, and then remove the locking of grafting piece to the base.

Preferably, the outer side wall of the supporting seat is provided with a locking mechanism for locking the rocker, the inserting block is separated from the inserting groove, the locking mechanism comprises an inserting plate vertically and fixedly connected to the side wall of the supporting seat and close to the rocker, a locking plate inserted in the inserting plate and horizontally arranged, a limiting plate fixedly connected to one end of the locking plate and far away from one end of the rocker, and a first spring sleeved on the locking plate and fixedly connected between the limiting plate and the inserting plate, and the side wall of the rocker is provided with a locking groove matched with the locking plate.

Through adopting above-mentioned technical scheme, after the wane is located the outer one end of supporting seat and moves down, can insert the locked groove of locating the wane with the jam plate, and utilize the effort of spring to hinder the jam plate and break away from the locked groove, and then can hinder wane rebound.

Preferably, a support plate is fixedly connected to the side wall of the support seat vertically, and a second spring fixedly connected to the bottom surface of the wane is fixedly connected to the support plate.

Through adopting above-mentioned technical scheme, after operating personnel to locking mechanical system unblock, and the jam plate breaks away from the locked groove after, utilize spring two's effort, can upwards lift up the wane automatically, need not operating personnel operation, improved the convenience.

The invention also provides a molding process of the special-shaped metal shell, which comprises the following steps:

s1, cutting the metal sheet according to the preset length and width to form a metal blank sheet;

s2, stamping the metal blank sheet to form a metal shell blank;

s3, placing the port of the metal shell blank between the closing-in die head and the outsourcing sliding block;

and S4, performing surface treatment on the appearance surface of the metal shell blank.

By adopting the technical scheme, the port of the metal shell blank can be closed up only by arranging the port of the metal shell blank between the closing-up die head and the outer package sliding block by an operator without large-scale stamping equipment, so that the operation of the operator is facilitated.

Preferably, the surface treatment of the appearance surface of the metal shell blank comprises: and polishing, sand blasting and oxidizing the appearance surface of the metal shell blank.

By adopting the technical scheme, the surface of the metal shell blank can be subjected to rust prevention treatment, and the service life of the metal shell blank is prolonged.

In conclusion, when the port of the metal shell needs to be closed, the port of the metal shell is placed between the closing-in die head and the outer package sliding blocks, the inner support fixing sliding rails are pressed downwards, the outer package sliding blocks on two sides move upwards, and therefore the port of the metal shell can be closed by the inner support fixing sliding blocks moving downwards and the outer package sliding blocks moving upwards, the end portion of a small batch of metal shells is closed, large-scale stamping equipment does not need to be used, and production cost is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a forming die in the application example.

Fig. 2 mainly illustrates the internal configurations of the base and the support base in fig. 1, and mainly illustrates the overall configuration of the drive mechanism.

Fig. 3 mainly illustrates the configuration of the pusher block in fig. 2.

Fig. 4 mainly illustrates the structure of the insertion block in fig. 2.

Fig. 5 mainly illustrates the configuration of the locking mechanism in fig. 2.

Description of reference numerals:

1. a base; 11. a joining block; 111. a transfer groove; 1111. inserting grooves; 1112. an inner cavity bore; 2. fixing the slide rail by external pressure; 21. a first slideway; 3. wrapping a sliding block; 4. the slide rail is fixed by the inner support; 41. a second slideway; 5. closing the die head; 6. a supporting seat; 61. sinking the tank; 62. a transfer block; 63. a vertical hole; 64. a transverse bore; 7. an insertion block; 71. a second inclined surface; 711. a guide groove; 8. a drive mechanism; 81. a vertical rod; 82. a pushing block; 821. a first inclined surface; 822. a guide strip; 83. a seesaw; 831. locking the groove; 9. a locking mechanism; 91. a plugboard; 92. a locking plate; 93. a limiting plate; 94. a first spring; 95. a support plate; 96. and a second spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1, the forming die for the special-shaped metal shell disclosed by the invention comprises a base 1, an external pressure fixing slide rail 2, an external wrapping slide block 3, an internal support fixing slide rail 4, a closing-in die head 5 and a supporting seat 6.

Referring to fig. 1, base 1 is circular seat, the top surface of base 1 is the plane, external pressure fixed slide rail 2 is provided with two, two external pressure fixed slide rail 2 symmetries set up in the both sides of base 1 top surface, the axis of one 21 slide of external pressure fixed slide rail 2 towards base 1, and the plane perpendicular to base 1's at the place of a 21 length direction of slide top surface, interval between the one end that two side slides 21 are close to base 1 is less than the interval between the one end that base 1 was kept away from to two side slides 21, outsourcing slider 3 is provided with two, two outsourcing sliders 3 slide respectively through a slide 21 and set up on the external pressure fixed slide rail 2 of both sides.

Referring to fig. 1, two inner supporting fixed slide rails 4 are provided, the two inner supporting fixed slide rails 4 are symmetrically arranged on two sides of a base 1, the inner supporting fixed slide rails 4 are located on the inner side of an outer pressure fixed slide rail 2, a second slide rail 41 on the inner supporting fixed slide rails 4 faces a first slide rail 21 of the outer pressure fixed slide rail 2, the plane of the second slide rail 41 in the length direction is perpendicular to the top surface of the base 1, and the distance between the ends, close to the base 1, of the second slide rails 41 on two sides is larger than the distance between the ends, far away from the base 1, of the second slide rails 41 on two sides. The closing-in die head 5 is arranged on the second slideway 41 of the inner support fixed sliding rail 4 in a sliding manner. The end of the special-shaped metal shell is positioned between the closing-in die head 5 and the outsourcing sliding block 3.

When the port of the metal shell needs to be closed up, the port of the metal shell is placed between the closing-up die head 5 and the outer package sliding block 3, the inner support fixing sliding rail 4 is pressed downwards, and the outer package sliding blocks 3 on the two sides move upwards, so that the inner support fixing sliding rail 4 moving downwards and the outer package sliding block 3 moving upwards can be utilized to close up the port of the metal shell, the end part of the small-batch metal shell is closed up, large-scale stamping equipment does not need to be used, and the production cost is reduced.

Referring to fig. 2, the supporting seat 6 is a circular seat, a sinking groove 61 is formed in the top surface of the supporting seat 6, the sinking groove 61 is a circular groove, the side wall of the sinking groove 61 is close to the outer wall of the supporting seat 6, a transfer block 62 is fixedly connected to the middle of the bottom of the sinking groove 61, and the transfer block 62 is a circular block. The bottom surface rigid coupling of base 1 has linking piece 11, links up piece 11 and sink 61 clearance fit, links up the bottom surface of piece 11 and has seted up switching groove 111, and switching groove 111 and the 62 clearance fit of switching piece have seted up inserting groove 1111 on the inner wall of switching groove 111, and inserting groove 1111 sets up threely and along a week evenly distributed of switching groove 111, and inserting groove 1111's cross-section is the rectangle.

Referring to fig. 2, an inner cavity hole 1112 is formed in the adapter block 62, the inner cavity hole 1112 is a circular hole, the adapter block 62 is provided with the plug block 7 in a sliding manner, the plug block 7 is horizontally arranged in a sliding direction, the length direction of the plug block 7 penetrates through the axis of the adapter block 62, one end of the plug block 7 is in clearance fit with the plug groove 1111, and the other end of the plug block 7 is communicated with the inner cavity hole 1112. Vertical hole 63 has been seted up to the below that supporting seat 6 is located inner chamber hole 1112, and the one end and the inner chamber hole 1112 of vertical hole 63 communicate each other, and the other end is close to the bottom of supporting seat 6, and horizontal hole 64 has been seted up to the bottom of supporting seat 6, and the one end and the vertical hole 63 of horizontal hole 64 communicate each other, and the other end communicates with the outside of supporting seat 6.

Referring to fig. 2, inner cavity hole 1112, be provided with between vertical hole 63 and the horizontal hole 64 and promote the gliding actuating mechanism 8 of inserted block 7, actuating mechanism 8 includes vertical pole 81, promote piece 82 and wane 83, vertical pole 81 is the round bar, vertical pole 81 is vertical to be set up in vertical hole 63, the one end of vertical pole 81 is located inner cavity hole 1112, the other end is located horizontal hole 64, promote the piece 82 rigid coupling and be located the top surface of inner cavity hole 1112 one end in vertical pole 81, wane 83 is the bar, the middle part of wane 83 articulates on the inner wall of horizontal hole 64, the one end of wane 83 and the bottom rigid coupling of vertical pole 81, the other end stretches out supporting seat 6.

Referring to fig. 3 and 4, the pushing block 82 is in a round cake shape, a first inclined surface 821 is formed on the circumferential surface of the pushing block 82, the first inclined surface 821 is arranged obliquely upwards, the first inclined surface 821 is formed in a three shape and is uniformly distributed along the circumference of the pushing block 82, two ends of the length direction of the first inclined surface 821 are communicated with the top surface and the bottom surface of the pushing block 82 respectively, one side of the length direction of the first inclined surface 821 is communicated with the circumferential surface of the pushing block 82, the other side of the length direction of the first inclined surface 821 is a vertical surface perpendicular to the first inclined surface 821, a guide strip 822 is fixedly connected to the vertical surface, and the length direction of the guide strip 822 is consistent with the length direction of the first inclined surface 821. The inserting block 7 is a bar-shaped block, one end, close to the inner cavity hole 1112, of the inserting block 7 is provided with a second inclined surface 71, the second inclined surface 71 is arranged obliquely downwards, the second inclined surface 71 is abutted to the first inclined surface 821, the width of the second inclined surface 71 is smaller than that of the end face of the inserting block 7, a guide groove 711 is formed in the side wall of the second inclined surface 71, two ends of the guide groove 711 in the length direction are respectively communicated with the top face and the bottom face of the inserting block 7, and the guide groove 711 is in clearance fit with the guide strip 822.

An operator can place base 1 on supporting seat 6, then operator can step on wane 83 downwards, and vertical rod 81 can be lifted up to the other end of wane 83, and vertical rod 81 upwards promotes and promotes piece 82, and an inclined plane 821 on promoting piece 82 can promote the inserted block 7 and move to inserting groove 1111, until inserted block 7 inserts in inserting groove 1111. When the upper table wane 83, when the vertical rod 81 moves down, can drive and promote the piece 82 and move down, promote the gib block 822 on the piece 82 and can drive the grafting piece 7 and break away from the spliced eye, and then remove the locking of grafting piece 7 to base 1, therefore can realize fixing base 1 on supporting seat 6, can improve base 1's stability, also improved the stability of mould to guarantee the precision of metal-back binding off.

Referring to fig. 5, a locking mechanism 9 is disposed on an outer side wall of the support base 6, the locking mechanism 9 is used for locking the rocker 83 in a state that the insertion block 7 is disengaged from the insertion groove 1111, and the locking mechanism 9 includes an insertion plate 91, a locking plate 92, a limiting plate 93, a first spring 94, a support plate 95 and a second spring 96. The supporting plate 95 is vertically and fixedly connected to the outer side wall of the supporting seat 6, and the supporting plate 95 is located below the end part of the seesaw 83; the second spring 96 is fixedly connected between the bottom surface of the end, located at the outer part of the supporting seat 6, of the rocker 83 and the supporting plate 95, and a locking groove 831 is formed in the side wall of the end, located at the outer part of the supporting seat 6, of the rocker 83; the inserting plate 91 is vertically and fixedly connected to the outer side wall of the supporting seat 6, and the locking plate 92 is located at one side of the warped plate 83 where the locking groove 831 is formed; the locking plate 92 is inserted on the inserting plate 91, the locking plate 92 horizontally slides, and one end of the locking plate 92 is in clearance fit with the locking groove 831; the limit plate 93 is fixedly connected to the end of the lock plate 92 far away from the lock slot 831; the first spring 94 is sleeved on the lock plate 92 and is fixedly connected between the lock plate 92 and the rocker 83.

After the wane 83 is located the outer one end of supporting seat 6 and moves down, can insert the jam plate 92 and locate in the locked groove 831 of wane 83, and utilize the effort of spring to obstruct the jam plate 92 and break away from locked groove 831, and then can obstruct wane 83 rebound, in addition, after operating personnel unblock locking mechanical system 9, and after jam plate 92 breaks away from locked groove 831, utilize the effort of two 96 springs, can upwards lift up wane 83 automatically, need not operating personnel operation, the convenience has been improved.

The implementation principle of the special-shaped metal shell forming die in the embodiment of the application is as follows: when the port of the metal shell needs to be closed up, the port of the metal shell is placed between the closing-up die head 5 and the outer package sliding block 3, the inner support fixing sliding rail 4 is pressed downwards, and the outer package sliding blocks 3 on the two sides move upwards, so that the inner support fixing sliding rail 4 moving downwards and the outer package sliding block 3 moving upwards can be utilized to close up the port of the metal shell, the end part of the small-batch metal shell is closed up, large-scale stamping equipment does not need to be used, and the production cost is reduced.

The invention also discloses a molding process of the special-shaped metal shell, which comprises the following steps:

s2, stamping the metal blank sheet to form a metal shell blank;

s3, placing the port of the metal shell blank between the closing-in die head 5 and the outsourcing sliding block 3;

Wherein the surface treatment of the appearance surface of the metal shell blank comprises: and polishing, sand blasting and oxidizing the appearance surface of the metal shell blank.

The implementation principle of the special-shaped metal shell forming process in the embodiment of the application is as follows: the port of the metal shell blank can be closed up only by placing the port of the metal shell blank between the closing-up die head 5 and the outer package sliding block 3 by an operator without large-scale stamping equipment, so that the operation of the operator is facilitated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a dysmorphism metal-back forming die which characterized in that: including base (1), base (1) top surface symmetry rigid coupling has external pressure fixed slide rail (2), both sides slide (21) of external pressure fixed slide rail (2) all towards the middle part of base (1), slide (21) length direction place plane perpendicular to the top surface of base (1), both sides slide (21) are close to interval between the one end of base (1) is less than both sides interval between the one end of slide (21) is kept away from interval between the one end of base (1), it is provided with outsourcing slider (3) to slide on the external pressure fixed slide rail (2), base (1) top surface symmetry rigid coupling has interior bracing fixed slide rail (4), interior bracing fixed slide rail (4) are located the inboard of both sides external pressure fixed slide rail (2), slide two (41) orientation of interior bracing fixed slide rail (4) slide (21), slide two (41) length direction place plane perpendicular to the top surface of base (1), both sides slide two (41) are close to interval between the one end of base (1) is greater than both sides slide two (41) are kept away from interval between the one end of base (1), slide on slide two (41) and be provided with binding off die head (5), the port of dysmorphism metal casing be located binding off die head (5) with between outsourcing slider (3).

2. The special-shaped metal shell molding die of claim 1, wherein: the bottom surface of base (1) is provided with supporting seat (6), heavy groove (61) have been seted up down to the top surface of supporting seat (6), the middle part of heavy groove (61) is fixed with switching piece (62), the bottom surface rigid coupling of base (1) have with it links up piece (11) to sink groove (61) matched with down, the bottom surface of linking up piece (11) seted up with switching piece (62) assorted switching groove (111), it is provided with grafting piece (7) to slide in switching piece (62), the slip direction of grafting piece (7) with the direction of height of supporting seat (6) is perpendicular, seted up on the inner wall of switching groove (111) with grafting piece (7) assorted inserting groove (1111), be provided with the drive in supporting seat (6) the gliding actuating mechanism (8) of grafting piece (7).

3. The special-shaped metal shell molding die of claim 2, wherein: an inner cavity hole (1112) is formed in the switching groove (111), a vertical hole (63) communicated with the inner cavity hole (1112) is formed in the position, below the inner cavity hole (1112), of the supporting seat (6), the bottom of the supporting seat (6) is provided with a transverse hole (64) communicated with the bottom of the vertical hole (63) and the outer side wall of the supporting seat (6), the driving mechanism (8) comprises a vertical rod (81) vertically arranged in the vertical hole (63), a pushing block (82) fixedly connected to the top of the vertical rod (81), and a warping plate (83) hinged on the inner wall of the transverse hole (64), one end of the warping plate (83) is fixedly connected with the bottom of the vertical rod (81), the other end is positioned outside the supporting seat (6), the side wall of the pushing block (82) is provided with a first inclined surface (821), and the end surface of the inserting block (7) is provided with a second inclined surface (71) which is abutted to the first inclined surface (821).

4. A shaped metal shell forming die as claimed in claim 3, wherein: and a guide strip (822) is fixedly connected to the side wall of the pushing block (82) perpendicular to the first inclined surface (821), and a guide groove (711) matched with the guide strip (822) is formed in the side wall of the insertion block (7) perpendicular to the second inclined surface (71).

5. The special-shaped metal shell molding die of claim 2, wherein: be provided with on supporting seat (6) lateral wall and be used for the locking plug-in block (6) breaks away from plug-in block (7) locking mechanical system (9) under inserting groove (1111) state, locking mechanical system (9) include perpendicular rigid coupling in the lateral wall of supporting seat (6) and near plug-in board (91) of wane (83), insert locate on plug-in board (91) and lock (92) that the level set up, rigid coupling in lock (92) keep away from limiting plate (93) of wane (83) one end, cover locate on lock (92) and rigid coupling in spring one (94) between limiting plate (93) and plug-in board (91), seted up on the lateral wall of wane (83) with lock (92) assorted locked groove (831).

6. The special-shaped metal shell molding die of claim 5, wherein: the lateral wall of supporting seat (6) is gone up perpendicular rigid coupling and is had backup pad (95), the rigid coupling has on backup pad (95) with spring two (96) of wane (83) bottom surface rigid coupling.

7. A profiled metal casing forming process according to any one of claims 1 to 6, wherein: the method comprises the following steps:

s2, stamping the metal blank sheet to form a metal shell blank;

s3, placing the port of the metal shell blank between the closing-in die head (5) and the outer package sliding block (3);

8. The special-shaped metal shell molding die of claim 7, wherein: the surface treatment of the appearance surface of the metal shell blank comprises the following steps: and polishing, sand blasting and oxidizing the appearance surface of the metal shell blank.