CN114653811A - A corrosion-resistant refrigerator door panel processing sheet metal die head - Google Patents

Abstract

The invention relates to the technical field of refrigerator processing, in particular to a corrosion-resistant refrigerator door plate processing sheet metal die head, which comprises a base, a casing is arranged on the top of the base, and two drive screws are connected between the casing and the base through bearings. A mounting plate is arranged between the body and the base. The mounting plate is connected with the two drive screws through threads. The bottom outer wall of the mounting plate is connected with the die body by bolts. The top outer wall of the base is provided with a mounting groove, and the interior of the mounting groove is provided with The lower mold is provided with a molding cavity on the top outer wall of the lower mold, and the molding cavity is matched with the die head body. In the present invention, when sheet metal forming is performed on the plate through the die body, the lubricating oil inside the cylinder body can be pressed into the fuel injection pipe to spray out the die body, so that the die body does not work when sheet metal forming is performed on the plate. There will be wear and tear, and the plate will not be pulled, and the die body will not be corroded by the protection of lubricating oil.

Description

A corrosion-resistant refrigerator door panel processing sheet metal die head

technical field

The invention relates to the technical field of refrigerator processing, in particular to a corrosion-resistant refrigerator door plate processing sheet metal die head.

Background technique

With the improvement of people's living standards, refrigerators have entered thousands of households. The use of refrigerators makes people better to preserve fresh vegetables and fruits. The refrigerators have door panels. During production, the door panels of the refrigerator are made of metal plate parts through molds. The sheet metal is formed, so that the metal plate piece forms a three-dimensional structure with a refrigerator door panel.

Chinese Patent No. CN201911357629.0 discloses a cutting and flanging mold for processing a double door shell of a refrigerator, which includes a base, a lower mold seat, an upper mold seat, a female mold fixing plate, an upper pressing plate, a lower pressing plate, and a punch fixing plate plate, die and punch, a lower die seat is fixedly installed on the top of the base, a through groove is opened at the inner center of the lower die seat, and a lower pressing plate is symmetrically installed at the top center of the lower die seat , the two lower pressing plates are located on both sides of the through groove, and a punch groove is opened between the two lower pressing plates; a number of nitrogen gas springs are evenly installed inside the base.

The mold head of the sheet metal mold used in the processing of the refrigerator door panel of the prior art is easy to wear and corrode, which leads to the damage of the mold, and the mold head is driven by the cylinder to move, so that the cylinder generates a large noise when it works and exhausts, which in turn makes the interior of the workshop. The noise environment is poor, so it is urgent to develop a corrosion-resistant refrigerator door panel processing sheet metal die head.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a corrosion-resistant refrigerator door plate processing sheet metal die head, so as to solve the problems of easy wear, corrosion and high noise of the die head proposed in the above-mentioned background art.

The technical scheme of the present invention is: a corrosion-resistant refrigerator door panel processing sheet metal die head, comprising a base, a casing is arranged on the top of the base, and two drive screws are connected between the casing and the base through bearings, A mounting plate is arranged between the casing and the base, and the mounting plate is connected with the two drive screws through threads, the bottom outer wall of the mounting plate is connected with the die body by bolts, and the top outer wall of the base is opened An installation groove, a lower mold is arranged inside the installation groove, a molding cavity is opened on the top outer wall of the lower mold, the molding cavity is adapted to the die head body, and a support plate is arranged inside the molding cavity, so The inside of the molding cavity is embedded with a uniformly distributed ejector mechanism, and the ejector mechanism includes a cylinder body, and a piston is movably inserted into the cylinder body, and the top outer wall of the piston is connected with an ejector rod through bolts. The top end of the ejector rod is connected with the support plate by bolts, the outer wall of one side of the cylinder body is connected with a one-way valve through a thread, and the bottom outer wall of the cylinder body is connected with a one-way valve through a thread. The outer walls of the two sides of the fuel injection pipe are connected with fuel injection pipes through threads, and the outer walls of one side of the fuel injection pipes are connected with uniformly distributed spray heads through threads. The second valve is connected with the fuel injection pipe through a hose.

Preferably, the top ends of the two drive screws extend to the interior of the casing and are welded with worms, and between the two inner walls of the casings are connected with worm gears through bearings, and the worm gears are engaged with the worms.

Preferably, the outer wall of one side of the housing is connected with a motor through bolts, and one end of the output shaft of the motor is connected with the worm through splines.

Preferably, the top outer wall of the housing is connected with a top plate by bolts, and evenly distributed guide posts are connected between the top plate and the base by bolts.

Preferably, two wedge-shaped grooves are formed on an outer wall of one side of the lower mold, insertion holes are formed on both inner walls of the mounting groove of the base, and a wedge-shaped block is movably inserted inside the insertion holes. Both outer walls of the lower die base are connected with locking screws through threads, one end of the locking screw is connected with the wedge block through a bearing, and the other end of the locking screw is inserted with an augmentor rod.

Preferably, a positioning groove is formed on the top outer wall of the lower mold, and the bottom inner wall of the positioning groove is flush with the top outer wall of the support plate.

Preferably, sliding grooves are opened on both inner walls of the mounting groove, sliding bars are welded on both outer walls of the lower die, and the sliding bars slide inside the sliding grooves.

Preferably, the inside of the mounting plate is connected with evenly distributed guide sleeves through bolts, and the guide sleeves are slidably sleeved on the outside of the guide posts.

Preferably, an oil inlet pipe is welded on one outer wall of the casing, and one end of the oil inlet pipe is connected with a protective cover through a thread.

Preferably, the bottom outer wall of the base is connected with a mounting seat by bolts, and the bottom outer wall of the mounting seat is provided with a mounting hole.

The present invention provides a corrosion-resistant refrigerator door panel processing sheet metal die head by improving, which has the following improvements and advantages compared with the prior art:

(1) In the present invention, when the die body is used for sheet metal forming of the plate, the lubricating oil inside the cylinder can be pressed into the fuel injection pipe to eject the die body, so that the die body is used for sheet metal forming on the plate. There will be no wear and tear during molding, and the plate will not be pulled, and at the same time, the die body will not be corroded by the protection of lubricating oil.

(2) The present invention drives the two worm gears and the transmission screw to rotate synchronously through the worm, so that the mounting plate drives the die body to form sheet metal parts more stably and silently, and solves the problems caused by the cylinder punching in the prior art. The problem of loud noise has been improved, and the noise environment in the production workshop of refrigerator door panels has been improved.

(3) The present invention enables accurate positioning of the panel when it is placed through the positioning groove, and supports the panel by the support plate, so that the panel will not be deformed due to gravity when placed, thereby improving the molding quality of the refrigerator door panel. higher.

(4) In the present invention, the wedge-shaped block is driven by the locking screw to cooperate with the wedge-shaped groove of the lower die, so that when the lower die is replaced, it is only necessary to rotate the locking screw to retract the wedge-shaped block into the insertion hole to realize the connection between the lower die and the lower die. The disassembly of the base thus realizes the effect of convenient mold replacement and maintenance.

Description of drawings

Below in conjunction with accompanying drawing and embodiment, the present invention is further explained:

Fig. 1 is the overall structure schematic diagram of the present invention;

2 is a schematic diagram of the internal structure of the housing of the present invention;

Fig. 3 is the structural representation of the ejector mechanism of the present invention;

FIG. 4 is a schematic diagram of the plug hole structure of the present invention;

Fig. 5 is the enlarged structural representation of A place of the present invention;

FIG. 6 is a schematic view of the enlarged structure of the B position of the present invention.

Description of reference numbers:

1 Base, 2 Mounting Plate, 3 Top Plate, 4 Mounting Slot, 5 Lower Die, 6 Chute, 7 Slide Bar, 8 Molding Cavity, 9 Support Plate, 10 Positioning Slot, 11 Die Body, 12 Guide Post, 13 Guide Sleeve , 14 drive screw, 15 casing, 16 motor, 17 ejector mechanism, 18 worm, 19 worm gear, 20 insertion hole, 21 wedge block, 22 wedge groove, 23 locking screw, 24 afterburner rod, 25 oil inlet pipe, 26 protective cover, 27 cylinder block, 28 ejector rod, 29 piston, 30 spring, 31 fuel injection pipe, 32 nozzle, 33 one-way valve one, 34 one-way valve two, 35 mounting seat, 36 mounting hole.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings 1-6, and the technical solutions in the embodiments of the present invention will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. . Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

A corrosion-resistant sheet metal die head for processing a refrigerator door panel, comprising a base 1, a casing 15 is arranged on the top of the base 1, lubricating oil is filled in the casing 15 when in use, and a bearing is connected between the casing 15 and the base 1. Two drive screws 14, a mounting plate 2 is arranged between the casing 15 and the base 1, the mounting plate 2 is connected with the two drive screws 14 by threads, and the bottom outer wall of the mounting plate 2 is connected with the die head body 11 by bolts. The head body 11 is used for sheet metal forming of the plate. The top outer wall of the base 1 is provided with a mounting groove 4, the interior of the mounting groove 4 is provided with a lower mold 5, and the top outer wall of the lower mold 5 is provided with a molding cavity 8. The die head body When the 11 cooperates with the forming cavity 8, the plate is formed by sheet metal, the forming cavity 8 is matched with the die head body 11, the supporting plate 9 is arranged inside the forming cavity 8, and the inside of the forming cavity 8 is evenly distributed. The ejector mechanism 17, the ejector mechanism 17 performs ejection and demoulding after the plate is formed, and the ejector mechanism 17 includes a cylinder 27, the interior of the cylinder 27 is movably inserted with a piston 29, and the top outer wall of the piston 29 is bolted. The ejector rod 28, the top of the ejector rod 28 is connected with the support plate 9 by bolts, and the outer wall of one side of the cylinder body 27 is connected with a one-way valve 33 through a thread. The lubricating oil enters the cylinder block 27 in one direction. The bottom outer wall of the cylinder block 27 is connected with a one-way valve 234 through threads. The outer wall is connected with evenly distributed spray heads 32 through threads, the one-way valve 33 is connected to the housing 15 through a hose through a hose, and the second one-way valve 34 is connected to the fuel injection pipe 31 through a hose. When the lubricating oil inside the cylinder block 27 is squeezed by the piston 29, it can flow into the inside of the fuel injection pipe 31 in one direction, so that the lubricating oil is sprayed out to the die body 11 through the nozzle 32, and the die body 11 is used to perform sheet metal work on the plate. When forming, the lubricating oil inside the cylinder block 27 can be pressed into the fuel injection pipe 31 to spray out the die body 11, so that the die body 11 will not wear out when the plate is formed by sheet metal, and the die body 11 will not wear out. The plate will not be pulled, and at the same time, the die body 11 will not be corroded by the protection of lubricating oil.

Further, the top ends of the two drive screws 14 extend to the interior of the casing 15 and are welded with a worm 18 , and a worm gear 19 is connected between the two inner walls of the casing 15 through bearings, and the worm gear 19 is engaged with the worm 18. The side outer wall is connected with a motor 16 by bolts, and one end of the output shaft of the motor 16 is connected with the worm 18 by splines, and the motor 16 is used to drive the worm 18 to rotate, so that the worm 18 drives the two worm wheels 19 and the transmission screw 14 to rotate synchronously, so that the installation The plate 2 drives the die body 11 to be more stable and quiet during sheet metal forming of the plate, which solves the problem of loud noise caused by the cylinder punching in the prior art, and improves the noise environment in the production workshop of refrigerator door panels.

Further, the top outer wall of the housing 15 is connected with the top plate 3 by bolts, and the top plate 3 and the base 1 are connected with evenly distributed guide posts 12 by bolts. The guide posts 12 are fixed on the top plate 3 and the base 1. The guide posts 12 The outer wall is smooth.

Further, two wedge-shaped grooves 22 are opened on one side of the outer wall of the lower mold 5, and insertion holes 20 are opened on the inner walls of both sides of the installation groove 4 of the base 1. The outer walls on both sides of the mold 5 seat are connected with a locking screw 23 through a thread, one end of the locking screw 23 is connected with the wedge block 21 through a bearing, and the other end of the locking screw 23 is inserted with a booster rod 24. 23 Drive the wedge-shaped block 21 to cooperate with the wedge-shaped groove 22 of the lower mold 5, so that when the lower mold 5 is replaced, it is only necessary to rotate the locking screw 23 to retract the wedge-shaped block 21 into the insertion hole 20. The disassembly of the base 1 makes the replacement and maintenance of the mold more convenient.

Further, the top outer wall of the lower die 5 is provided with a positioning groove 10, and the bottom inner wall of the positioning groove 10 is flush with the top outer wall of the support plate 9. The positioning groove 10 enables accurate positioning of the board when it is placed, and passes through the support plate 9. The support for the panel prevents the panel from being deformed due to gravity when placed, thereby making the molding quality of the refrigerator door panel higher.

Further, the inner walls on both sides of the installation groove 4 are provided with sliding grooves 6, and the outer walls on both sides of the lower mold 5 are welded with sliding bars 7, and the sliding bars 7 slide inside the sliding groove 6, and the lower mold 5 is used in the installation groove 4 The interior slides to make the installation slot 4 more stable when installed.

Further, the inside of the mounting plate 2 is connected with evenly distributed guide sleeves 13 through bolts. When driving the die body 11 to move up and down, it is more stable.

Further, an oil inlet pipe 25 is welded to the outer wall of one side of the casing 15, and one end of the oil inlet pipe 25 is connected with a protective cover 26 through a thread. The oil inlet pipe 25 is used to conveniently add lubricating oil to the inside of the casing 15, and the protective cover 26 has ventilation holes. .

Further, the bottom outer wall of the base 1 is connected with a mounting seat 35 by bolts, and the bottom outer wall of the mounting seat 35 is provided with a mounting hole 36 , and the mounting seat 35 is conveniently fixed by using the mounting hole 36 .

Working principle: When the door panel of the refrigerator needs to be processed, the protective cover 26 is rotated to open the oil inlet pipe 25, and lubricating oil is added to the interior of the housing 15 through the oil inlet pipe 25, so that the lubricating oil enters the cylinder block 27 through the hose. Inside, screw the protective cover 26 with the oil inlet pipe 25, place the plate to be processed in the interior of the positioning groove 10, make the plate abut against the inner wall of the positioning groove 10, and connect the power of the motor 16 through the wire , so that the motor 16 drives the worm 18 to rotate, the rotation of the worm 18 drives the worm wheel 19 to rotate, so that the worm wheel 19 drives the transmission screw 14 to rotate, and the rotation of the transmission screw 14 drives the mounting plate 2 to move downward, so that the mounting plate 2 drives the die head The body 11 approaches the lower die 5, so that the die body 11 cooperates with the molding cavity 8 of the lower die 5 to form the plate. When the plate is formed, the support plate 9 moves downward in the interior of the molding cavity 8. The top rod 28 drives the piston 29 to move downward inside the cylinder 27. At this time, the one-way valve 33 is closed by pressure, and the second one-way valve 34 is opened by pressure, so that the piston 29 presses the lubricating oil inside the cylinder 27. The inside of the fuel injection pipe 31 is sprayed through the nozzle 32, so that the lubricating oil is evenly sprayed on the outer walls of both sides of the die head body 11, so that the die head body 11 will not cause greater wear when molding the plate. At the same time, the forming of the plate will not cause cracks, and the die body 11 will not be corroded by the protection of lubricating oil. When the plate is formed by sheet metal, the die body 11 moves upward, so that The molded refrigerator door panel is pushed out by the elastic force of the spring 30 to realize the effect of automatic demoulding. When the lower mold 5 needs to be replaced, the locking screw 23 is rotated by the forcing rod 24, so that the locking screw 23 drives the wedge. The block 21 is disengaged from the wedge-shaped groove 22 of the lower mold 5 , so that the wedge-shaped block 21 does not block the lower mold 5 , so that the lower mold 5 can be easily replaced.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A corrosion-resistant sheet metal die head for processing a refrigerator door panel, characterized in that it comprises a base (1), the top of the base (1) is provided with a casing (15), the casing (15) and the base (1) There are two drive screws (14) connected by bearings, and a mounting plate (2) is arranged between the casing (15) and the base (1), and the mounting plate (2) is connected to the two The drive screw (14) is connected by threads, the bottom outer wall of the mounting plate (2) is connected with the die head body (11) by bolts, and the top outer wall of the base (1) is provided with a mounting groove (4), the installation A lower mold (5) is arranged inside the groove (4), and a molding cavity (8) is opened on the top outer wall of the lower mold (5), and the molding cavity (8) is adapted to the die body (11), A support plate (9) is arranged inside the molding cavity (8), and a uniformly distributed ejector mechanism (17) is embedded in the inside of the molding cavity (8), and the ejector mechanism (17) includes a cylinder block (27), a piston (29) is movably inserted inside the cylinder (27), and a top outer wall of the piston (29) is connected with a top rod (28) through bolts, and the top end of the top rod (28) It is connected with the support plate (9) by bolts, the outer wall of one side of the cylinder body (27) is connected with a one-way valve (33) through threads, and the bottom outer wall of the cylinder body (27) is connected with a one-way valve through threads. Two (34), the two outer walls of the die head body (11) are connected with fuel injection pipes (31) through threads, and the outer walls of one side of the fuel injection pipes (31) are connected with uniformly distributed spray heads (32) through threads ), the one-way valve (33) is connected to the housing (15) through a hose, and the second one-way valve (34) is connected to the fuel injection pipe (31) through a hose. 2. The corrosion-resistant refrigerator door panel processing sheet metal die head according to claim 1, characterized in that: the top ends of the two transmission screws (14) extend to the inside of the casing (15) and are welded with worms ( 18), a worm wheel (19) is connected between two inner walls of the casing (15) through a bearing, and the worm wheel (19) is engaged with the worm (18). 3. The corrosion-resistant refrigerator door panel processing sheet metal die head according to claim 2, characterized in that: a motor (16) is connected to an outer wall of one side of the casing (15) by bolts, and the motor (15). One end of the output shaft of 16) is connected with the worm (18) through splines. 4. The corrosion-resistant refrigerator door plate processing sheet metal die head according to claim 1, characterized in that: the top outer wall of the casing (15) is connected with a top plate (3) by bolts, and the top plate (3) ) and the base (1) are connected by bolts with evenly distributed guide posts (12). 5 . The corrosion-resistant sheet metal die head for processing a refrigerator door panel according to claim 1 , wherein two wedge-shaped grooves ( 22 ) are formed on one side outer wall of the lower die ( 5 ), and the base Insertion holes (20) are opened on the inner walls of both sides of the installation groove (4) of (1), and a wedge-shaped block (21) is movably inserted into the inside of the insertion hole (20). A locking screw (23) is threadedly connected to the outer walls on both sides of the screw, one end of the locking screw (23) is connected with the wedge-shaped block (21) through a bearing, and the other end of the locking screw (23) is inserted with a Afterburner (24). 6. A corrosion-resistant sheet metal die head for processing a refrigerator door panel according to claim 1, characterized in that: a positioning groove (10) is formed on the top outer wall of the lower mold (5), and the positioning groove (10) ) is flush with the top outer wall of the support plate (9). 7. The corrosion-resistant refrigerator door panel processing sheet metal die head according to claim 1, characterized in that: the inner walls on both sides of the installation groove (4) are provided with sliding grooves (6), and the lower mold Both outer walls of (5) are welded with slide bars (7), and the slide bars (7) slide inside the chute (6). 8 . The corrosion-resistant sheet metal die head for processing a refrigerator door panel according to claim 4 , wherein the inside of the mounting plate ( 2 ) is connected with evenly distributed guide sleeves ( 13 ) through bolts, and the The guide sleeve (13) is slidably sleeved on the outside of the guide post (12). 9. The corrosion-resistant refrigerator door panel processing sheet metal die head according to claim 1, characterized in that: an oil inlet pipe (25) is welded on one outer wall of the casing (15), and the oil inlet pipe ( One end of 25) is screwed with a protective cover (26). 10. The corrosion-resistant refrigerator door panel processing sheet metal die head according to claim 1, characterized in that: the bottom outer wall of the base (1) is connected with a mounting seat (35) by bolts, and the mounting seat ( The bottom outer wall of 35) is provided with a mounting hole (36).

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