CN210754584U - Water heater front cover plate forming die - Google Patents

Abstract

The application discloses a water heater front cover plate forming die which comprises an upper die base (1), a lower die base (2), an upper supporting plate (3) and a lower supporting plate (4), wherein the upper supporting plate (3) and the lower supporting plate (4) are positioned between the upper die base (1) and the lower die base (2); the lower supporting plate (4) is arranged on the lower die base (2) and slides along the direction vertical to the upper surface of the lower die base (2), and the upper supporting plate (3) is arranged on the upper die base (1) and slides along the direction vertical to the lower surface of the upper die base (1); the die is characterized in that an upper die plate (5) is arranged on the upper die base (1), the upper die plate (5) is located between the upper die base (1) and the lower die base (2) and fixedly connected with the upper die base (1), two side forming bases (6) are arranged on the surface, facing the lower die base (2), of the upper die plate (5), and the upper supporting plate (3) is located between the two side forming bases (6). The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel.

Description

Water heater front cover plate forming die

Technical Field

The utility model relates to a water heater front shroud moulded die belongs to panel beating instrument field.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. In the prior art, when the front cover plate of the water heater is subjected to punch forming, an upper die and a lower die are generally adopted to directly perform one-step punching and bending, and the workpiece is subjected to overlarge punching stress in the bending process, so that the surface of the workpiece is obviously scratched, the workpiece can deform irregularly, and the bending forming precision is influenced.

SUMMERY OF THE UTILITY MODEL

The technical scheme of the utility model to exist among the prior art: the die has the advantages that the surface of a workpiece is obviously scratched due to overlarge stamping stress of the workpiece in the bending process, the workpiece can deform irregularly, and the bending forming precision is influenced, and the forming die for the front cover plate of the water heater is provided.

In order to solve the technical problem, the utility model adopts the technical scheme that the water heater front cover plate forming die comprises an upper die base, a lower die base, an upper supporting plate and a lower supporting plate, wherein the upper supporting plate and the lower supporting plate are positioned between the upper die base and the lower die base; the lower supporting plate is arranged on the lower die base and slides along the direction vertical to the upper surface of the lower die base, and the upper supporting plate is arranged on the upper die base and slides along the direction vertical to the lower surface of the upper die base; the upper die base is provided with an upper die plate, the upper die plate is positioned between the upper die base and the lower die base and fixedly connected with the upper die base, the surface of the upper die plate facing the lower die base is provided with two side forming bases, the upper supporting plate is positioned between the two side forming bases, and two sides of the upper supporting plate are in sliding contact with the two side forming bases; the lower die base is provided with two lower forming seats, the lower forming seats are located on the surface of the lower die base facing the upper die base, the two lower forming seats are located on two sides of the lower supporting plate, the surfaces of the two sides of the lower supporting plate are in sliding contact with the two lower forming seats respectively, and the lower forming seats are in sliding connection with the lower die base.

In the technical scheme of this application, with layer board and upper die base sliding connection to with bottom plate and die holder sliding connection, under free state, the lower extreme of layer board is outstanding in the lower extreme tip of two lateral part shaping seats and the upper end of bottom plate is outstanding in the upper end tip of two lower part shaping seats. When the upper die holder and the lower die holder move relatively to carry out die assembly, the upper supporting plate and the lower supporting plate firstly contact and clamp and fix a workpiece to be punched on the lower supporting plate. In the process that the upper die holder and the lower die holder are continuously closed, the upper supporting plate moves towards the upper die holder after being pressed, and the upper supporting plate moves between the two side forming seats and enables the end parts of the side forming seats to perform primary bending operation on the workpiece to be punched. The lower support plate moves towards the direction of the lower support plate after being pressed, the lower support plate is extruded to enable the two lower forming seats to move towards the direction far away from the lower support plate respectively, the lower surface of the workpiece to be punched is extruded through the movement of the lower forming seats, and the workpiece to be punched is extruded in a secondary forming mode. The stamping device has the advantages that the maximum impulsive force of the workpiece to be stamped in stamping is reduced by using twice extrusion deformation, the scratch on the surface of the workpiece is reduced, the degree of irregular deformation of the workpiece is reduced, and the stamping quality of the workpiece is improved.

Preferably, in the forming die for the front cover plate of the water heater, the two sides of the lower supporting plate are arranged at acute included angles with the surface of the lower forming seat in contact, and the surface of the lower forming seat facing the lower supporting plate is a slope surface and is in sliding contact with the lower supporting plate; the lower supporting plate is in an isosceles trapezoid shape, and the upper bottom of the isosceles trapezoid shape of the lower supporting plate faces the upper surface of the lower die base and is parallel to the upper surface of the lower die base.

In this application, set up the both sides of bottom plate into the acute angle contained angle and make the bottom plate form an isosceles trapezoid of invering, when the bottom plate removed to the die holder, the both sides extrusion of bottom plate promoted the lower part shaping seat of both sides for lower part shaping seat removes to the direction of keeping away from the bottom plate, and the removal through lower part shaping seat extrudees the lower surface of treating the punching press work piece, treats the punching press work piece and carries out the post forming extrusion.

Preferably, in the forming die for the front cover plate of the water heater, the side surface of the lower supporting plate facing the lower forming seat and the side surface of the lower forming seat facing the lower supporting plate are respectively provided with a wear-resistant copper block, the wear-resistant copper block on the side surface of the lower supporting plate is embedded in the side surface of the lower supporting plate, and the wear-resistant copper block on the side surface of the lower forming seat is embedded in the side surface of the lower forming seat; and the wear-resistant copper blocks on the side surface of the lower supporting plate are in sliding contact with the wear-resistant copper blocks on the side surface of the lower forming seat.

In this application, be provided with wear-resisting copper billet on bottom plate and the lower part shaping seat respectively, wear-resisting copper billet can reduce the sliding wear on the surface of contact between bottom plate and the lower part shaping seat to the convenience is changed when wearing and tearing.

Preferably, in the forming die for the front cover plate of the water heater, a plurality of sliding guide columns are arranged between the upper supporting plate and the upper die base, the sliding guide columns are arranged along the sliding direction of the upper supporting plate, one ends of the sliding guide columns are fixedly connected with the upper supporting plate, and the other ends of the sliding guide columns are inserted into the upper die base and are in sliding connection with the upper die base; an upper supporting plate resetting top column is arranged between the upper supporting plate and the upper die base.

In this application, the direction of movement of restriction upper bracket board is slided through the slip guide post between upper bracket board and the upper die base, prevents that the upper bracket board from taking place the skew to guarantee the punching press precision.

Preferably, in the forming die for the front cover plate of the water heater, two sides of the upper supporting plate are respectively provided with a forming protruding head, and a sliding clamping groove is arranged in the side forming seat and is in sliding fit with the forming protruding head.

In this application, through the sliding fit of shaping plush copper and sliding clamping groove, the slip of restriction upper bracket board both sides prevents that the upper bracket board from taking place the skew in slip in-process both sides, guarantees the removal precision of upper bracket board, and then guarantees the punching press precision.

Preferably, in the forming die for the front cover plate of the water heater, the lower forming block is arranged at one end of the lower forming seat facing the upper die base, the surface of the end of the lower forming block facing the forming protruding head is a slope, the surface of the forming protruding head facing the lower forming block is provided with the bending forming groove, and the surface of the lower forming seat of the bending forming groove signal box is matched with the slope at the end part of the lower forming seat.

In this application, when relative motion was done to upper die base and die holder and the compound die, the lower part shaping piece and the cooperation of shaping plush copper contact of lower part shaping seat upper end, the domatic of lower part shaping piece tip and the cooperation of the shaping groove internal surface of bending on the shaping plush copper, can make the precision of shaping plush copper and lower part shaping piece when the compound die improve, improve the shaping precision to can make shaping plush copper and lower part shaping piece obtain the buffering when the compound die.

Preferably, in the forming die for the front cover plate of the water heater, the lower die base is fixedly provided with two cutter supporting blocks, and the two lower forming bases are positioned between the two cutter supporting blocks and arranged at intervals with the cutter supporting blocks; the end part of the upper die base, facing the cutter block, of the cutter block is provided with a buffer inclined plane, the surface, facing the cutter block, of the lateral forming base is provided with an insertion groove matched with the cutter block, and the bottom end face, facing the interior of the cutter block, of the lateral forming base is matched with the buffer inclined plane.

In this application, lean on between the tip of sword piece and the lateral part shaping seat through inserting groove sliding fit, conveniently control compound die precision. The inner bottom end face of the inserting groove, which is close to the cutter block, is matched with the buffer inclined plane, so that the die can be buffered when being closed, and the impact force of the die closing is reduced.

Preferably, in the forming die for the front cover plate of the water heater, a first sliding guide assembly is arranged between the lower forming seat and the lower die seat, and a second sliding guide assembly is arranged between the lower supporting plate and the lower forming seat.

In this application, the slip guide subassembly one can control the slip precision between lower part shaping seat and the die holder, guarantees compound die punching press precision. The second sliding guide assembly can guide the sliding between the lower supporting plate and the lower forming seat, and the die assembly stamping precision is further guaranteed.

The utility model has the advantages of it can overcome prior art's drawback, and structural design is reasonable novel. In the technical scheme of this application, with layer board and upper die base sliding connection to with bottom plate and die holder sliding connection, under free state, the lower extreme of layer board is outstanding in the lower extreme tip of two lateral part shaping seats and the upper end of bottom plate is outstanding in the upper end tip of two lower part shaping seats. When the upper die holder and the lower die holder move relatively to carry out die assembly, the upper supporting plate and the lower supporting plate firstly contact and clamp and fix a workpiece to be punched on the lower supporting plate. In the process that the upper die holder and the lower die holder are continuously closed, the upper supporting plate moves towards the upper die holder after being pressed, and the upper supporting plate moves between the two side forming seats and enables the end parts of the side forming seats to perform primary bending operation on the workpiece to be punched. The lower support plate moves towards the direction of the lower support plate after being pressed, the lower support plate is extruded to enable the two lower forming seats to move towards the direction far away from the lower support plate respectively, the lower surface of the workpiece to be punched is extruded through the movement of the lower forming seats, and the workpiece to be punched is extruded in a secondary forming mode. The stamping device has the advantages that the maximum impulsive force of the workpiece to be stamped in stamping is reduced by using twice extrusion deformation, the scratch on the surface of the workpiece is reduced, the degree of irregular deformation of the workpiece is reduced, and the stamping quality of the workpiece is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

As shown in the figure, the utility model relates to a water heater front cover plate forming die, which comprises an upper die base 1, a lower die base 2, an upper supporting plate 3 and a lower supporting plate 4, wherein the upper supporting plate 3 and the lower supporting plate 4 are positioned between the upper die base 1 and the lower die base 2; the lower supporting plate 4 is arranged on the lower die base 2 and slides along the direction vertical to the upper surface of the lower die base 2, and the upper supporting plate 3 is arranged on the upper die base 1 and slides along the direction vertical to the lower surface of the upper die base 1; an upper template 5 is arranged on the upper die holder 1, the upper template 5 is positioned between the upper die holder 1 and the lower die holder 2 and is fixedly connected with the upper die holder 1, two side forming seats 6 are arranged on the surface of the upper template 5 facing the lower die holder 2, the upper supporting plate 3 is positioned between the two side forming seats 6, and two sides of the upper supporting plate 3 are in sliding contact with the two side forming seats 6; the die comprises an upper die base and a lower die base, and is characterized in that two lower forming seats 7 are arranged on the lower die base 2, the lower forming seats 7 are positioned on the surface of the lower die base 2 facing the upper die base 1, the two lower forming seats 7 are positioned on two sides of a lower supporting plate 4, the surfaces of two sides of the lower supporting plate 4 are in sliding contact with the two lower forming seats 7 respectively, and the lower forming seats 7 are in sliding connection with the lower die base 2.

In the technical scheme of this application, with upper supporting plate 3 and 1 sliding connection of upper die base to with bottom plate 4 and 2 sliding connection of die holder, under free state, the lower extreme of upper supporting plate 3 is outstanding in the lower extreme tip of two lateral part shaping seats 6 and the upper end of bottom plate 4 is outstanding in the upper end tip of two lower part shaping seats 7. When the upper die holder 1 and the lower die holder 2 move relatively to carry out die assembly, the upper supporting plate 3 and the lower supporting plate 4 are firstly contacted and a workpiece to be punched placed on the lower supporting plate 4 is clamped and fixed. In the process that the upper die holder 1 and the lower die holder 2 continue to be closed, the upper supporting plate 3 moves towards the upper die holder 1 after being pressed, and the upper supporting plate 3 moves between the two side forming seats 6 and enables the end parts of the side forming seats 6 to perform primary bending operation on a workpiece to be punched. Move to the direction of lower bolster 2 after bottom plate 4 receives pressure, receive the extrusion of bottom plate 4 and make two lower part shaping seats 7 move to the direction of keeping away from bottom plate 4 respectively, treat the lower surface of punching press work piece through the removal extrusion of lower part shaping seat 7, treat the punching press work piece and carry out the post forming extrusion. The stamping device has the advantages that the maximum impulsive force of the workpiece to be stamped in stamping is reduced by using twice extrusion deformation, the scratch on the surface of the workpiece is reduced, the degree of irregular deformation of the workpiece is reduced, and the stamping quality of the workpiece is improved.

The two sides of the lower supporting plate 4 are arranged at an acute included angle with the surface of the lower forming seat 7, and the surface of the lower forming seat 7 facing the lower supporting plate 4 is a slope surface and is in sliding contact with the lower supporting plate 4; the lower supporting plate 4 is an isosceles trapezoid, and the upper bottom of the isosceles trapezoid of the lower supporting plate 4 faces the upper surface of the lower die base 2 and is parallel to the upper surface of the lower die base 2.

In this application, set up the both sides of bottom plate 4 into the isosceles trapezoid that the acute angle contained angle made bottom plate 4 form an inversion, when bottom plate 4 removed to lower die holder 2, the both sides extrusion of bottom plate 4 promoted the lower part of both sides and becomes the seat 7 for lower part becomes the seat 7 and removes to the direction of keeping away from bottom plate 4, treats the lower surface of punching press work piece through the removal extrusion of lower part one-tenth seat 7, treats the punching press work piece and carries out the post forming extrusion.

Wear-resistant copper blocks 8 are respectively arranged on the side surface of the lower supporting plate 4 facing the lower forming seat 7 and the side surface of the lower forming seat 7 facing the lower supporting plate 4, the wear-resistant copper blocks 8 on the side surface of the lower supporting plate 4 are embedded in the side surface of the lower supporting plate 4, and the wear-resistant copper blocks 8 on the side surface of the lower forming seat 7 are embedded in the side surface of the lower forming seat 7; the wear-resistant copper blocks 8 on the side surface of the lower supporting plate 4 are in sliding contact with the wear-resistant copper blocks 8 on the side surface of the lower forming seat 7.

In this application, be provided with wear-resisting copper billet 8 on bottom plate 4 and the lower part shaping seat 7 respectively, wear-resisting copper billet 8 can reduce the sliding wear on the surface of contact between bottom plate 4 and the lower part shaping seat 7 to the convenience is changed when wearing and tearing.

A plurality of sliding guide columns 9 are arranged between the upper supporting plate 3 and the upper die base 1, the sliding guide columns 9 are arranged along the sliding direction of the upper supporting plate 3, one ends of the sliding guide columns 9 are fixedly connected with the upper supporting plate 3, and the other ends of the sliding guide columns 9 are inserted into the upper die base 1 and are in sliding connection with the upper die base 1; an upper supporting plate resetting top column is arranged between the upper supporting plate 3 and the upper die base 1.

In this application, slide the direction through slip guide post 9 between layer board 3 and the upper die base 1, restriction layer board 3's moving direction prevents that layer board 3 from taking place the skew to guarantee the punching press precision.

Two sides of the upper supporting plate 3 are respectively provided with a forming raised head 10, and a sliding clamping groove is arranged in the side forming seat 6 and is in sliding fit with the forming raised head 10.

In this application, through the sliding fit of shaping plush copper 10 and sliding clamping groove, the slip of 3 both sides of restriction upper bracket plate prevents that upper bracket plate 3 from taking place the skew in slip in-process both sides, guarantees upper bracket plate 3's removal precision, and then guarantees the punching press precision.

One end of the lower forming seat 7 facing the upper die holder 1 is provided with a lower forming block 11, the surface of one end of the lower forming block 11 facing the forming raised head 10 is a slope, the surface of the forming raised head 10 facing the lower forming block 11 is provided with a bending forming groove, and the surface of the lower forming seat 7 of the bending forming groove signal box is matched with the slope at the end part of the lower forming seat 7.

In the application, when the upper die holder 1 and the lower die holder 2 do relative motion to carry out die assembly, the lower part forming block 11 at the upper end of the lower part forming seat 7 is in contact fit with the forming raised head 10, the slope surface at the end part of the lower part forming block 11 is matched with the inner surface of the bending forming groove on the forming raised head 10, so that the precision of the forming raised head 10 and the lower part forming block 11 during die assembly is improved, the forming precision is improved, and the forming raised head 10 and the lower part forming block 11 can be buffered during die assembly.

Two cutter leaning blocks 12 are fixedly arranged on the lower die holder 2, and two lower forming seats 7 are positioned between the two cutter leaning blocks 12 and are arranged at intervals with the cutter leaning blocks 12; the end part of the knife leaning block 12 facing the upper die holder 1 is provided with a buffering inclined plane, the surface of the side forming seat 6 facing the knife leaning block 12 is provided with an insertion groove matched with the knife leaning block 12, and the bottom end surface of the inner part of the knife leaning block 12 in the insertion groove is matched with the buffering inclined plane.

In this application, lean on between the tip of sword piece 12 and the lateral part shaping seat 6 through inserting groove sliding fit, conveniently control compound die precision. The inner bottom end face of the insert groove, which faces to the cutter block 12, is matched with the buffer inclined plane, so that the buffer can be used for buffering during die assembly, and the impact force of die assembly is reduced.

A first sliding guide assembly is arranged between the lower forming seat 7 and the lower die seat 2, and a second sliding guide assembly is arranged between the lower supporting plate 4 and the lower forming seat 7.

In this application, the slip guide subassembly one can control the slip precision between lower part shaping seat 7 and the die holder 2, guarantees compound die punching press precision. The second sliding guide component can guide the sliding between the lower supporting plate 4 and the lower forming seat 7, and further ensures the die assembly stamping precision.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.

Claims (8)

1. The utility model provides a water heater front shroud moulded die which characterized in that: the die comprises an upper die holder (1), a lower die holder (2), an upper supporting plate (3) and a lower supporting plate (4), wherein the upper supporting plate (3) and the lower supporting plate (4) are positioned between the upper die holder (1) and the lower die holder (2); the lower supporting plate (4) is arranged on the lower die base (2) and slides along the direction vertical to the upper surface of the lower die base (2), and the upper supporting plate (3) is arranged on the upper die base (1) and slides along the direction vertical to the lower surface of the upper die base (1); an upper template (5) is arranged on the upper die holder (1), the upper template (5) is positioned between the upper die holder (1) and the lower die holder (2) and is fixedly connected with the upper die holder (1), two lateral forming seats (6) are arranged on the surface of the upper template (5) facing the lower die holder (2), an upper supporting plate (3) is positioned between the two lateral forming seats (6), and two sides of the upper supporting plate (3) are in sliding contact with the two lateral forming seats (6); the die is characterized in that two lower forming seats (7) are arranged on the lower die base (2), the lower forming seats (7) are located on the surface, facing the upper die base (1), of the lower die base (2), the two lower forming seats (7) are located on two sides of the lower supporting plate (4), the surfaces of two sides of the lower supporting plate (4) are in sliding contact with the two lower forming seats (7) respectively, and the lower forming seats (7) are in sliding connection with the lower die base (2).

2. The forming die for front cover plate of water heater according to claim 1, wherein: the two sides of the lower supporting plate (4) are arranged at acute included angles with the surface of the lower forming seat (7), and the surface of the lower forming seat (7) facing the lower supporting plate (4) is a slope surface and is in sliding contact with the lower supporting plate (4); the lower supporting plate (4) is isosceles trapezoid, and the upper bottom of the isosceles trapezoid of the lower supporting plate (4) faces the upper surface of the lower die base (2) and is parallel to the upper surface of the lower die base (2).

3. The forming die for front cover plate of water heater according to claim 2, wherein: wear-resistant copper blocks (8) are respectively arranged on the side surface of the lower supporting plate (4) facing to the lower forming seat (7) and the side surface of the lower forming seat (7) facing to the lower supporting plate (4), the wear-resistant copper blocks (8) on the side surface of the lower supporting plate (4) are embedded in the side surface of the lower supporting plate (4), and the wear-resistant copper blocks (8) on the side surface of the lower forming seat (7) are embedded in the side surface of the lower forming seat (7); and the wear-resistant copper blocks (8) on the side surface of the lower supporting plate (4) are in sliding contact with the wear-resistant copper blocks (8) on the side surface of the lower forming seat (7).

4. The forming die for front cover plate of water heater according to claim 1, wherein: a plurality of sliding guide columns (9) are arranged between the upper supporting plate (3) and the upper die holder (1), the sliding guide columns (9) are arranged along the sliding direction of the upper supporting plate (3), one ends of the sliding guide columns (9) are fixedly connected with the upper supporting plate (3), and the other ends of the sliding guide columns (9) are inserted into the upper die holder (1) and are in sliding connection with the upper die holder (1); an upper supporting plate resetting ejection column is arranged between the upper supporting plate (3) and the upper die holder (1).

5. The forming die for front cover plate of water heater according to claim 1, wherein: two sides of the upper supporting plate (3) are respectively provided with a forming raised head (10), a sliding clamping groove is arranged in the side forming seat (6), and the sliding clamping groove is in sliding fit with the forming raised head (10).

6. The forming die for front cover plate of water heater as claimed in claim 5, wherein: one end, facing the upper die holder (1), of the lower forming seat (7) is provided with a lower forming block (11), the surface, facing one end of the forming raised head (10), of the lower forming block (11) is a slope, a bending forming groove is formed in the surface, facing the lower forming block (11), of the forming raised head (10), and the surface of the lower forming seat (7) of the bending forming groove signal box is matched with the slope of the end of the lower forming seat (7).

7. The forming die for front cover plate of water heater according to claim 1, wherein: two knife rest blocks (12) are fixedly arranged on the lower die holder (2), and two lower forming seats (7) are positioned between the two knife rest blocks (12) and are arranged at intervals with the knife rest blocks (12); the end part of the knife leaning block (12) facing the upper die holder (1) is provided with a buffering inclined plane, the surface of the side forming seat (6) facing the knife leaning block (12) is provided with an insertion groove matched with the knife leaning block (12), and the bottom end face of the interior of the insertion groove facing the knife leaning block (12) is matched with the buffering inclined plane.

8. The forming die for front cover plate of water heater according to claim 1, wherein: a sliding guide assembly I is arranged between the lower forming seat (7) and the lower die seat (2), and a sliding guide assembly II is arranged between the lower supporting plate (4) and the lower forming seat (7).

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