CN113492176B - Special-shaped metal shell forming die and forming process thereof - Google Patents

Abstract

The invention discloses a special-shaped metal shell forming die which comprises a base, wherein outer pressing fixed sliding rails are symmetrically fixedly connected to the top surface of the base, sliding ways I of the outer pressing fixed sliding rails at two sides face the middle of the base, the distance between one ends of the sliding ways I at two sides close to the base is smaller than the distance between one ends of the sliding ways I at two sides far away from the base, an outer packing sliding block is arranged on the outer pressing fixed sliding rails in a sliding mode, inner supporting fixed sliding rails are symmetrically fixedly connected to the top surface of the base and are positioned on the inner sides of the outer pressing fixed sliding rails at two sides, sliding ways II of the inner supporting fixed sliding rails face the sliding ways I, the distance between one ends of the sliding ways II at two sides close to the base is larger than the distance between one ends of the sliding ways II at two sides far away from the base, a closing die head is arranged on the sliding ways II, and a port of a different metal shell is positioned between the closing die head and the outer packing sliding block. The metal shell end closing-in device has the effects of closing in the end parts of small-batch 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 the shells of all electronic products, the shells of the electronic products are formed by cutting metal sheets and then processing, and most of the electronic products are in a tangible cuboid shape, so that after the metal sheets are formed into the metal shells, the end parts of the metal shells are closed.

In general, bending machines are used to bend the end portions of the metal shells to form arc surfaces, the above-mentioned modes can be realized only by large-scale bending equipment, and for metal shell products with small production capacity, the production cost can be increased by using the closing-up mode of the bending equipment.

Disclosure of Invention

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

The application provides a special-shaped metal shell forming die adopts following technical scheme:

the utility model provides a special-shaped metal casing forming die, includes the base, the fixed slide rail of external pressure is had to base top surface symmetry rigid coupling, both sides the slide of fixed slide rail of external pressure is first towards the middle part of base, slide a length direction place plane perpendicular to the top surface of base, both sides slide is first to be close to interval between the one end of base is less than both sides slide is first to be kept away from interval between the one end of base, slide on the fixed slide rail of external pressure is provided with the outsourcing slider, base top surface symmetry rigid coupling has the fixed slide rail of internal stay, the fixed slide rail of internal stay is located the inboard of the fixed slide rail of both sides external pressure, the second orientation of slide of the fixed slide rail of internal stay slide the slide is first, slide two length direction place plane perpendicular to the top surface of base, both sides slide second is close to interval between the one end of base is greater than both sides slide second to be away from between the one end of base, slide second is last to slide is provided with the binding off die head, special-shaped metal casing's port is located between binding off die with the slider.

Through adopting above-mentioned technical scheme, when the port to the metal casing is closed up, place the port of metal casing between closing up die head and outsourcing slider, push down the fixed slide rail of internal stay, the outsourcing slider of both sides moves up, consequently can utilize the internal stay fixed slide of moving down and the outsourcing slider of moving up to close up the port of metal casing, consequently need not to use large-scale stamping equipment to the tip binding up of little batched metal casing, reduced manufacturing cost.

Preferably, the bottom surface of base is provided with the supporting seat, the subsidence groove has been seted up to the top surface of supporting seat, the middle part of subsidence groove is fixed with the adapter piece, the bottom surface rigid coupling of base have with subsidence groove matched with links up the piece, the bottom surface of adapter piece seted up with adapter piece assorted transfer groove, the slip is provided with the grafting piece in the adapter piece, the slip direction of grafting piece with the direction of height of supporting seat is perpendicular, seted up on the inner wall of transfer groove with grafting piece assorted grafting groove, be provided with the drive in the supporting seat grafting piece gliding actuating mechanism.

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 spliced 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 that the metal casing closed up.

Preferably, the inner cavity hole has been seted up in the switching groove, the supporting seat be located the below in inner cavity hole seted up with the vertical hole of inner cavity hole intercommunication, the horizontal hole of intercommunication in vertical hole bottom and supporting seat lateral wall is seted up to the bottom of supporting seat, actuating mechanism including vertical setting up in vertical downthehole vertical pole, rigid coupling in promote the piece at vertical pole top, articulated wane on horizontal hole inner wall, the one end rigid coupling of wane is in the bottom of vertical pole, and the other end is located the outside of supporting seat, first inclined plane has been seted up on the lateral wall of promotion piece, the terminal surface of plug-in connection piece seted up with first inclined plane of inconsistent second inclined plane.

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 the impeller block, and the inclined plane on the impeller block one can promote the grafting piece to the jack-in groove removal, until the grafting piece inserts in the jack-in groove, consequently only need operating personnel step on the wane down can, the operating personnel operation of being convenient for.

Preferably, the side wall of the pushing block perpendicular to the first inclined surface is fixedly connected with a guide bar, and the side wall of the inserting block perpendicular to the second inclined surface is provided with a guide groove matched with the guide bar.

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

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

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

Preferably, the side wall of the supporting seat is vertically fixedly connected with a supporting plate, and a second spring fixedly connected with the bottom surface of the seesaw is fixedly connected on the supporting plate.

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

The second purpose of the invention is to provide a special-shaped metal shell forming process, which comprises the following steps:

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

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

s3, placing a port of the metal shell blank between the closing die head and the outer wrapping sliding block;

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

Through adopting above-mentioned technical scheme, only need operating personnel to place the port of metal casing base between binding off die head and outsourcing slider, can close up the port of metal casing base, need not large-scale stamping equipment, the operating personnel operation of being convenient for.

Preferably, the surface treatment of the appearance surface of the metal shell blank includes: 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 summary, when the port of the metal shell needs to be closed, the port of the metal shell is placed between the closing die head and the outer wrapping sliding block, the inner supporting fixing sliding rail is pressed down, the outer wrapping sliding blocks on two sides move upwards, and therefore the port of the metal shell can be closed by the inner supporting fixing sliding block which moves downwards and the outer wrapping sliding block which moves upwards, so that the end part closing of small batches of metal shells is realized, large-scale stamping equipment is not needed, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural view of a molding die in an application example.

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

Fig. 3 mainly illustrates the construction of the push block in fig. 2.

Fig. 4 mainly illustrates the construction of the plug-in block in fig. 2.

Fig. 5 is a principal schematic view of the construction of the locking mechanism in fig. 2.

Reference numerals illustrate:

1. a base; 11. a joint block; 111. a transfer groove; 1111. a plug-in groove; 1112. an inner cavity hole; 2. external pressure fixed slide rail; 21. a first slideway; 3. an outsourcing sliding block; 4. the inner support is used for fixing the sliding rail; 41. a second slideway; 5. closing up the die head; 6. a support base; 61. a sinking groove; 62. a transfer block; 63. a vertical hole; 64. a transverse hole; 7. a plug block; 71. an inclined plane II; 711. a guide groove; 8. a driving mechanism; 81. a vertical rod; 82. a pushing block; 821. an inclined plane I; 822. a guide bar; 83. a seesaw; 831. a locking groove; 9. a locking mechanism; 91. a plug board; 92. a lock 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 in conjunction with figures 1-5.

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

Referring to fig. 1, the base 1 is a circular base, the top surface of the base 1 is a plane, two external pressure fixing sliding rails 2 are arranged, the two external pressure fixing sliding rails 2 are symmetrically arranged on two sides of the top surface of the base 1, a first slide rail 21 of the external pressure fixing sliding rail 2 faces the axis of the base 1, the plane where the length direction of the first slide rail 21 is located is perpendicular to the top surface of the base 1, the distance between one ends of the first slide rails 21 on two sides, which are close to the base 1, is smaller than the distance between one ends of the first slide rails 21 on two sides, which are far away from the base 1, the two external pressure fixing sliding rails 2 are arranged on the two external pressure fixing sliding rails 3 in a sliding manner respectively through the first slide rails 21.

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

When the port of the metal shell needs to be closed, the port of the metal shell is placed between the closing die head 5 and the outer wrapping sliding block 3, the inner supporting fixing sliding rail 4 is pressed downwards, the outer wrapping sliding blocks 3 on two sides move upwards, and therefore the port of the metal shell can be closed by the inner supporting fixing sliding rail 4 which moves downwards and the outer wrapping sliding block 3 which moves upwards, so that the end part closing of small batches of metal shells is realized, large-scale punching equipment is not needed, and the production cost is reduced.

Referring to fig. 2, the supporting seat 6 is a circular seat, the top surface of the supporting seat 6 is provided with a sinking groove 61, 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, the middle part of the bottom of the sinking groove 61 is fixedly connected with an adapter block 62, and the adapter block 62 is a circular block. The bottom surface rigid coupling of base 1 has linking piece 11, linking piece 11 and the clearance fit of sinking groove 61, and switching groove 111 has been seted up to the bottom surface of linking piece 11, and switching groove 111 and the clearance fit of switching piece 62 have been seted up on the inner wall of switching groove 111 grafting groove 1111, and grafting groove 1111 has seted up three and evenly distributed along a week of switching groove 111, and the cross-section of grafting groove 1111 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 round hole, an inserting block 7 is slidably arranged on the adapter block 62, the sliding direction of the inserting block 7 is horizontally arranged, the length direction of the inserting block 7 passes through the axis of the adapter block 62, one end of the inserting block 7 is in clearance fit with the inserting groove 1111, and the other end of the inserting block 7 is mutually communicated with the inner cavity hole 1112. The vertical hole 63 has been seted up to the below that supporting seat 6 is located cavity hole 1112, and the one end and the cavity hole 1112 of vertical hole 63 communicate each other, and the other end is close to the bottom of supporting seat 6, and transverse hole 64 has been seted up to the bottom of supporting seat 6, and transverse hole 64's one end and vertical hole 63 communicate each other, and the other end communicates with the outside of supporting seat 6.

Referring to fig. 2, a driving mechanism 8 for pushing the plug-in block 7 to slide is arranged among the inner cavity hole 1112, the vertical hole 63 and the transverse hole 64, the driving mechanism 8 comprises a vertical rod 81, a pushing block 82 and a rocker 83, the vertical rod 81 is a round rod, the vertical rod 81 is vertically arranged in the vertical hole 63, one end of the vertical rod 81 is positioned in the inner cavity hole 1112, the other end of the vertical rod is positioned in the transverse hole 64, the pushing block 82 is fixedly connected to the top surface of one end of the vertical rod 81, which is positioned at one end of the inner cavity hole 1112, the rocker 83 is a strip-shaped plate, the middle part of the rocker 83 is hinged to the inner wall of the transverse hole 64, one end of the rocker 83 is fixedly connected with the bottom end of the vertical rod 81, and the other end of the rocker 83 extends out of the supporting seat 6.

Referring to fig. 3 and 4, the pushing block 82 is in a shape of a cake, a first inclined surface 821 is formed on the peripheral surface of the pushing block 82, the first inclined surface 821 is arranged obliquely upwards, three inclined surfaces 821 are formed and uniformly distributed along the periphery of the pushing block 82, two ends of the first inclined surface 821 in the length direction are respectively communicated with the top surface and the bottom surface of the pushing block 82, one side of the first inclined surface 821 in the length direction is communicated with the peripheral surface of the pushing block 82, the other side of the first inclined surface 821 is a vertical surface perpendicular to the first inclined surface 821, a guide bar 822 is fixedly connected to the vertical surface, and the length direction of the guide bar 822 is consistent with the length direction of the first inclined surface 821. The plug-in block 7 is a bar-shaped block, an inclined plane II 71 is arranged at one end, close to the inner cavity hole 1112, of the plug-in block 7, the inclined plane II 71 is arranged obliquely downwards, the inclined plane II 71 is in contact with the inclined plane I821, the width of the inclined plane II 71 is smaller than that of the end face of the plug-in block 7, a guide groove 711 is formed in the side wall of the inclined plane II 71, two ends in the length direction of the guide groove 711 are respectively communicated with the top face and the bottom face of the plug-in block 7, and the guide groove 711 is in clearance fit with the guide bar 822.

An operator can place the base 1 on the supporting seat 6, then the operator can step down the wane 83, and the other end of wane 83 can lift up vertical pole 81, and vertical pole 81 upwards promotes the impeller block 82, and the inclined plane one 821 on the impeller block 82 can promote the grafting piece 7 to the grafting groove 1111 removal, until the grafting piece 7 inserts in the grafting groove 1111. When the upper rocker 83 moves downwards, the vertical rod 81 can drive the pushing block 82 to move downwards, the guide strip 822 on the pushing block 82 can drive the inserting block 7 to be separated from the inserting hole, and then the locking of the inserting block 7 to the base 1 is released, so that the base 1 can be fixed on the supporting seat 6, the stability of the base 1 can be improved, and the stability of a die is also improved, so that the closing-in accuracy of a metal shell is ensured.

Referring to fig. 5, a locking mechanism 9 is disposed on an outer sidewall of the supporting seat 6, the locking mechanism 9 is used for locking the rocker 83 in a state that the plugging block 7 is separated from the plugging slot 1111, and the locking mechanism 9 includes a plugging plate 91, a locking plate 92, a limiting plate 93, a first spring 94, a supporting plate 95 and a second spring 96. The supporting plate 95 is vertically fixedly connected to the outer side wall of the supporting seat 6, and the supporting plate 95 is positioned below the end part of the rocker 83; the second spring 96 is fixedly connected between the bottom surface of the rocker 83 at one end outside the supporting seat 6 and the supporting plate 95, and a locking groove 831 is formed in the side wall of the rocker 83 at one end outside the supporting seat 6; the plugboard 91 is vertically and fixedly connected to the outer side wall of the supporting seat 6, and the lock plate 92 is positioned on one side of the seesaw 83 provided with the lock groove 831; the lock plate 92 is inserted on the plug plate 91, the lock plate 92 slides horizontally, and one end of the lock plate 92 is in clearance fit with the lock groove 831; the limiting plate 93 is fixedly connected to the end part of the locking plate 92, which is far away from one end of the locking groove 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.

When the rocker 83 is located at the outer end of the supporting seat 6 and moves downwards, the lock plate 92 can be inserted into the lock groove 831 of the rocker 83, the lock plate 92 is blocked from being separated from the lock groove 831 by the acting force of the spring, and then the rocker 83 can be blocked from moving upwards.

The implementation principle of the special-shaped metal shell forming die provided by the embodiment of the application is as follows: when the port of the metal shell needs to be closed, the port of the metal shell is placed between the closing die head 5 and the outer wrapping sliding block 3, the inner supporting fixing sliding rail 4 is pressed downwards, the outer wrapping sliding blocks 3 on two sides move upwards, and therefore the port of the metal shell can be closed by the inner supporting fixing sliding rail 4 which moves downwards and the outer wrapping sliding block 3 which moves upwards, so that the end part closing of small batches of metal shells is realized, large-scale punching equipment is not needed, and the production cost is reduced.

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

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

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

s3, placing a port of the metal shell blank between the closing die head 5 and the outer wrapping sliding block 3;

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

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.

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 only by arranging the port of the metal shell blank between the closing die head 5 and the outer wrapping sliding block 3 by an operator, large-scale stamping equipment is not needed, and the operation of the operator is facilitated.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (6)

1. A special-shaped metal shell forming die is characterized in that: comprises a base (1), the top surface symmetry rigid coupling of base (1) has outer fixed slide rail (2) that presses, both sides the slide one (21) of outer fixed slide rail (2) all face towards the middle part of base (1), slide two (41) of inner fixed slide rail (4) face towards slide one (21), slide two (41) length direction place plane perpendicular to the top surface of base (1), both sides interval between the one end of slide one (21) being close to base (1) is less than both sides interval between the one end that slide one (21) kept away from base (1), slide on outer fixed slide rail (2) and be provided with outsourcing slider (3), base (1) top surface symmetry rigid coupling has inner support fixed slide rail (4), inner support fixed slide rail (4) are located the inboard of both sides outer fixed slide rail (2), slide two (41) of inner support fixed slide rail (4) face towards slide one (21), slide two (41) length direction place plane perpendicular to the top surface of base (1), both sides slide two (41) are close to between base (1) one end that is kept away from between two sides of slide (41) interval (41) is provided with between the base (1), the port of the special-shaped metal shell is positioned between the closing die head (5) and the outer wrapping sliding block (3); the base is characterized in that a supporting seat (6) is arranged on the bottom surface of the base (1), a sinking groove (61) is formed in the top surface of the supporting seat (6), an adapter block (62) is fixed in the middle of the sinking groove (61), a connecting block (11) matched with the sinking groove (61) is fixedly connected to the bottom surface of the base (1), a connecting groove (111) matched with the adapter block (62) is formed in the bottom surface of the connecting block (11), an inserting block (7) is arranged in the connecting block (62) in a sliding mode, the sliding direction of the inserting block (7) is perpendicular to the height direction of the supporting seat (6), an inserting groove (1111) matched with the inserting block (7) is formed in the inner wall of the connecting groove (111), and a driving mechanism (8) for driving the inserting block (7) to slide is arranged in the supporting seat (6). An inner cavity hole (1112) is formed in the adapter block (62), one end of the plug block (7) is matched with the plug groove (1111), and the other end of the plug block is communicated with the inner cavity hole (1112); the supporting seat (6) is positioned below the inner cavity hole (1112) and is provided with a vertical hole (63) communicated with the inner cavity hole (1112), 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 rocker (83) hinged to the inner wall of the transverse hole (64), one end of the rocker (83) is fixedly connected to the bottom of the vertical rod (81), the other end of the rocker is positioned outside the supporting seat (6), the vertical rod (81) is used for pushing the pushing block (82) upwards, and the vertical rod (81) is used for driving the pushing block (82) to move downwards; an inclined surface I (821) is formed on the side wall of the pushing block (82), and an inclined surface II (71) which is in conflict with the inclined surface I (821) is formed on the end surface of the plug-in block (7).

2. The profiled metal shell forming die as defined in claim 1 wherein: the pushing block (82) is fixedly connected with a guide bar (822) on the side wall perpendicular to the first inclined surface (821), and a guide groove (711) matched with the guide bar (822) is formed on the side wall perpendicular to the second inclined surface (71) of the plug-in block (7).

3. The profiled metal shell forming die as defined in claim 1 wherein: the locking device is characterized in that a locking mechanism (9) used for locking the rocker (6) is arranged on the outer side wall of the supporting seat (6), the plug block (7) is inserted into the plug groove (1111), the locking mechanism (9) comprises a plug plate (91) which is vertically fixedly connected to the side wall of the supporting seat (6) and is close to the rocker (83), a lock plate (92) which is inserted on the plug plate (91) and is horizontally arranged, a limiting plate (93) which is fixedly connected to the lock plate (92) and is far away from one end of the rocker (83), a spring I (94) which is sleeved on the lock plate (92) and is fixedly connected between the limiting plate (93) and the plug plate (91), and a lock groove (831) which is matched with the lock plate (92) is formed in the side wall of the rocker (83).

4. A shaped metal shell forming die as defined in claim 3, wherein: the side wall of the supporting seat (6) is vertically fixedly connected with a supporting plate (95), and the supporting plate (95) is fixedly connected with a second spring (96) fixedly connected with the bottom surface of the seesaw (83).

5. A stamping process of the special-shaped metal shell forming die according to any one of claims 1 to 4, characterized in that: the method comprises the following steps:

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

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

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

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

6. The stamping process of the special-shaped metal shell forming die as claimed in claim 5, 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.

Images