CN114570797B - A CNC forming device for the labyrinth groove of the end of the refrigerator shell - Google Patents
A CNC forming device for the labyrinth groove of the end of the refrigerator shell Download PDFInfo
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- CN114570797B CN114570797B CN202011378604.1A CN202011378604A CN114570797B CN 114570797 B CN114570797 B CN 114570797B CN 202011378604 A CN202011378604 A CN 202011378604A CN 114570797 B CN114570797 B CN 114570797B
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- 238000003825 pressing Methods 0.000 claims abstract description 124
- 230000001360 synchronised effect Effects 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 100
- 239000003638 chemical reducing agent Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 241000252254 Catostomidae Species 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/12—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by chains or belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the field of automatic production, in particular to numerical control forming equipment for a labyrinth groove at the end head of a refrigerator shell. The numerical control forming equipment for the labyrinth groove type end head of the refrigerator shell comprises a lathe bed, a conveying assembly, two groups of symmetrically installed single-side end folding assemblies, a pressing assembly, a side positioning assembly and a front positioning assembly. According to the invention, the complex groove type can be folded, the folded plate can be conveyed to the next station along the length direction of the plate through the synchronous belt, and can be conveyed to the next station along the width direction through the grippers or the suckers, so that more choices are provided for the layout of the production line.
Description
Technical Field
The invention relates to the field of automatic production, in particular to numerical control forming equipment for a labyrinth groove at the end head of a refrigerator shell.
Background
With the development of manufacturing industry and the improvement of living standard of people in recent 30 years, the demands of people for household appliances are continuously increased, and the manufacturing industry of refrigerators and freezers in China gradually goes from weak to strong. At present, the main production technology of domestic refrigerator shells is that two plates (back plate and coaming plate) are spliced and formed. Therefore, in the processing process of the refrigerator coaming, the two end edges of the refrigerator coaming are required to be processed into the shape of the Chinese character 'ji', and when the end labyrinth groove type of the refrigerator coaming is processed, the traditional refrigerator shell production line is used for driving the upper die and the lower die to press and form the Chinese character 'ji'. The disadvantage of this method is that:
(1) When the original plate material of the refrigerator shell is changed, the size of the extruded rectangular groove is changed greatly, and the consistency and reliability of the quality of the refrigerator shell cannot be ensured;
(2) The oil cylinder can only drive the die to move in a single direction, so that the shape and the size of the pressed groove cannot be adjusted;
(3) The shape of the die has singleness and solidification, and can not meet the requirement of customers on flexible production of the size and shape of the labyrinth groove.
Therefore, there is a need for a numerically controlled forming apparatus that can be used to fold a flat plate edge into a complex slot shape.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the numerical control forming equipment for the labyrinth groove type at the end head of the refrigerator shell, which can fold a complex groove type, and the folded plate material can be conveyed to the next station along the length direction of the plate material through a synchronous belt, and also can be conveyed to the next station along the width direction through a gripper or a sucker, so that more choices are provided for the layout of the production line.
The invention provides numerical control forming equipment for a labyrinth groove at the end of a refrigerator shell, which comprises a lathe bed, a conveying component, two groups of symmetrically installed single-side end folding components, a pressing component, a side positioning component and a back pushing component, wherein,
The lathe bed is movably connected with the single-side end folding component, and the single-side end folding component moves along the lathe bed;
The conveying assembly is structurally symmetrical and comprises a fixed wheel frame assembly, a first movable wheel frame assembly, a second movable wheel frame assembly, a gear motor, a chain wheel assembly and a synchronous belt, wherein the fixed wheel frame assembly is symmetrically arranged on two sides of the lathe bed; the first movable wheel frame assembly and the second movable wheel frame assembly are both arranged on the single-side end folding assembly to move along with the single-side end folding assembly, and the speed reducing motor is arranged on the discharging side of the lathe bed to provide power for the conveying assembly;
The single-side end folding assembly comprises a bending frame, a door-shaped frame, an upper pressing cutter servo adjusting assembly, an upper pressing cutter assembly, a gasket cutter, a bending cutter assembly, a bending cutter moving bracket, a horizontal servo adjusting assembly and a vertical servo adjusting assembly, wherein the door-shaped frame is arranged on the bending frame, an upper pressing cutter servo motor in the upper pressing cutter servo adjusting assembly is arranged on the door-shaped frame, a motor output shaft is connected with an upper pressing cutter screw through a coupler, an upper pressing cutter screw nut is directly screwed on the upper pressing cutter assembly, the upper pressing cutter assembly comprises an upper pressing cutter mounting frame, an automatic cutter changing module, a cutter changing motor and a speed reducer, the upper pressing cutter mounting frame is connected with an upper pressing cutter screw nut, the upper pressing cutter mounting frame is relatively slid on the door-shaped frame, the automatic cutter changing module is screwed with the upper pressing cutter mounting frame, a central shaft is directly connected with the cutter changing motor and the speed reducer, the upper pressing cutter is directly arranged on the automatic cutter changing module, the gasket cutter motor is screwed on the upper pressing cutter screw nut, the gasket cutter motor is connected with the bending cutter seat, the horizontal cutter seat is mounted on the horizontal guide screw nut, the horizontal guide seat is horizontally adjusted by the horizontal guide screw nut, the horizontal guide seat is mounted on the horizontal guide screw nut is adjusted, the horizontal guide seat is horizontally adjusted by the horizontal guide seat is adjusted by the horizontal guide screw nut, the horizontal guide seat is adjusted by the horizontal guide seat is arranged on the horizontal guide seat, the bending cutter assembly and the bending cutter moving bracket relatively move under the drive of the horizontal adjusting motor and the speed reducer, the vertical servo adjusting assembly comprises a vertical adjusting motor and the speed reducer, a vertical motor mounting seat, a vertical screw rod supporting seat, a vertical adjusting screw rod, a vertical adjusting screw nut and a vertical screw nut seat, wherein the vertical adjusting motor and the speed reducer are mounted on the bending frame through the vertical motor mounting seat, the vertical screw rod supporting seat is mounted on the vertical motor mounting seat and provides supporting force for the vertical adjusting screw rod, the vertical adjusting screw nut is connected to the bending cutter moving bracket through the vertical screw nut seat, and the bending cutter moving bracket is driven by the vertical adjusting motor and the speed reducer to linearly move along a guide rail d mounted on the bending frame through a sliding block d mounted on the back of the bending cutter moving bracket;
The pressing assembly comprises a pressing support, a pressing lower base plate, a pressing air cylinder and a pressing block, wherein the pressing support is arranged on the lathe bed, the pressing lower base plate and the pressing air cylinder are respectively arranged on the pressing support one by one, and the pressing block is connected with a connecting rod of the pressing air cylinder;
The side positioning assembly comprises a side positioning baffle support, a side positioning baffle, a side pushing support, a side pushing cylinder, a side pushing roller support and a side pushing roller, wherein the side positioning baffle support and the side pushing support are both installed on the bending frame, the side positioning baffle is fixed on the side positioning baffle support, the side pushing cylinder support is installed on the side pushing support, two ends of the side pushing cylinder are erected on the side pushing cylinder support, the side pushing roller support is connected with a cylinder connector of the side pushing cylinder, the side pushing roller is installed on the side pushing roller support, and the side pushing roller is driven by the side pushing cylinder to do linear motion along a guide rail e through a sliding block e;
The back-pushing assembly comprises a back-pushing support, a back-pushing air cylinder, a positioning tongue, a tongue connecting plate and a limiting rod, wherein the back-pushing support is arranged on the side face of the unilateral end folding assembly on the feeding side, the back-pushing air cylinder is arranged on the back-pushing support, the positioning tongue is connected to an air cylinder connecting head of the back-pushing air cylinder through the tongue connecting plate, the limiting rod is arranged on the back-pushing support, and the lower surface of the limiting rod is higher than the highest standing edge of a plate.
Preferably, the lathe bed is formed by welding I-steel and a steel plate.
Preferably, the lathe bed is provided with a guide rail a, the adjusting assemblies a and two groups of servo adjusting assemblies a are respectively connected to the bottom plate of the single-side end folding assembly, so that the single-side end folding assemblies arranged on two sides of the lathe bed can do linear motion along the guide rail a through sliding blocks a arranged on two sides of the lower surface of the bottom plate of the single-side end folding assembly.
Preferably, the bending frame is a bottom frame welded by steel plates.
Preferably, the number and arrangement intervals of the synchronous belts are determined according to the height of the refrigerator.
Preferably, the number of the upper press knives in the upper press knife assembly is formulated according to a process.
Preferably, the actions of the numerical control forming equipment of the labyrinth groove type at the end head of the refrigerator shell are controlled by a PLC.
Preferably, a sliding block b is arranged on the back of the upper pressing cutter mounting frame, a guide rail b is arranged on the door-shaped frame, and the upper pressing cutter servo motor drives the upper pressing cutter mounting frame to do linear motion along the guide rail b.
Preferably, the bending knife assembly comprises a bending knife and a bending knife holder, and the bending knife is arranged on the bending knife holder;
the horizontal adjusting nut is connected to the bending cutter seat through the horizontal nut seat.
Preferably, the bending knife assembly is driven by the horizontal adjustment motor and the speed reducer to linearly move along a guide rail c arranged on the bending knife moving bracket through a sliding block c arranged on the lower surface of the bending knife seat.
Compared with the prior art, the numerical control forming equipment for the labyrinth groove at the end head of the refrigerator shell has the advantages that in the short side bending process of the refrigerator shell, the whole-course servo control is realized, the bending action is accurate and reliable, and the reliability and consistency of the plate processing effect are ensured by the design of the positioning and pressing component. The bent plate material can be conveyed to the next station along the length direction of the plate material through the synchronous belt, and can be conveyed to the next station along the width direction through the grippers or the suckers, so that more choices are provided for the layout of the production line.
Drawings
FIG. 1 shows an isometric view of a numerically controlled forming apparatus for a labyrinth groove at the end of a refrigerator shell;
FIG. 2 shows a cross-sectional view of a single-sided end-turn assembly;
FIG. 3 shows an isometric view of a single-sided end fold assembly;
FIG. 4 shows a schematic structural view of a press assembly;
FIG. 5 shows a schematic structural view of a side locating component;
FIG. 6 shows a schematic structural view of a push-back assembly;
Figure 7 shows a refrigerator coaming a back plate assembly schematic diagram;
fig. 8 shows an enlarged partial view of the bent shape of the end of the refrigerator shroud.
Detailed Description
For a further understanding of the present invention, embodiments of the invention are described below in conjunction with the examples, but it should be understood that these descriptions are merely intended to illustrate further features and advantages of the invention, and are not limiting of the invention.
The embodiment of the invention discloses numerical control forming equipment for a labyrinth groove at the end of a refrigerator shell, which comprises a lathe bed 1, a conveying component 2, two groups of symmetrically installed single-side end folding components 3, a pressing component 4, a side positioning component 5 and a back pushing component 6, wherein,
The lathe bed 1 is movably connected with the single-side end folding component 3, and the single-side end folding component 3 moves along the lathe bed 1;
The conveying assembly 2 is structurally symmetrical and comprises a fixed wheel frame assembly 10, a first movable wheel frame assembly 11, a second movable wheel frame assembly 12, a gear motor 13, a chain wheel assembly 14 and a synchronous belt 15, wherein the fixed wheel frame assembly 10 is symmetrically arranged on two sides of the machine tool body 1, the first movable wheel frame assembly 11 and the second movable wheel frame assembly 12 are arranged on the single-side end folding assembly 3 to move along with the single-side end folding assembly, the gear motor 13 is arranged on the discharging side of the machine tool body 1 to provide power for the conveying assembly 2, and the gear motor 13 transmits the power to the synchronous belt 15 wound along the fixed wheel frame assembly 10, the first movable wheel frame assembly 11 and the second movable wheel frame assembly 12 through the chain wheel assembly 14 connected with the gear motor;
The single-side end folding assembly 3 comprises a bending frame 16, a door-shaped frame 17, an upper pressing cutter servo adjustment assembly 18, an upper pressing cutter assembly 19, a cushion cutter 20, a bending cutter assembly 21, a bending cutter movement bracket 22, a horizontal servo adjustment assembly 23 and a vertical servo adjustment assembly 24, wherein the door-shaped frame 17 is arranged on the bending frame 16; an upper pressing knife servo motor 25 in the upper pressing knife servo adjusting assembly 18 is arranged on the door-shaped frame 17, an output shaft of the motor is connected with an upper pressing knife lead screw 27 through a coupler 26, an upper pressing knife screw 28 is directly connected on the upper pressing knife assembly 19 in a screwed mode, the upper pressing knife assembly 19 comprises an upper pressing knife mounting frame 29, an automatic pressing knife module 30, a knife changing motor and speed reducer 31 and an upper pressing knife 32, wherein the upper pressing knife mounting frame 29 is connected with the upper pressing knife screw 28, the upper pressing knife mounting frame 29 relatively slides on the door-shaped frame 17, the automatic pressing knife module 30 is directly connected with the upper pressing knife mounting frame 29 through a spindle 35 and the knife changing motor and speed reducer 31, the upper pressing knife 32 is directly arranged on the automatic pressing knife module 30, the cushion knife 20 is directly connected on the bending frame 16, the bending knife assembly 21 comprises a bending knife 36 and a knife seat 37, the bending motor and the bending motor 37 are arranged on the bending knife seat 37, the horizontal motor and the speed reducer 23 are arranged on the horizontal guide screw seat 39 and the horizontal guide screw seat 40, the horizontal guide screw seat 40 is arranged on the horizontal guide screw seat and the horizontal guide screw seat 38, the horizontal guide seat is adjusted through the horizontal guide screw seat 39 and the speed reducer 38, the horizontal screw rod supporting seat 40 is installed on the horizontal motor installation seat 39 to provide supporting force for the horizontal adjustment screw rod 41, the horizontal adjustment screw rod 42 is connected to the bending cutter assembly 21 through the horizontal screw rod seat 43, the bending cutter assembly 21 and the bending cutter movement support 22 move relatively under the drive of the horizontal adjustment motor and the speed reducer 38, the vertical servo adjustment assembly 24 comprises a vertical adjustment motor and speed reducer 46, a vertical motor installation seat 47, a vertical screw rod supporting seat 48, a vertical adjustment screw rod 49, a vertical adjustment screw rod 50 and a vertical screw rod seat 51, wherein the vertical adjustment motor and the speed reducer 46 are installed on the bending frame 16 through the vertical motor installation seat 47, the vertical screw rod supporting seat 48 is installed on the vertical motor installation seat 47 to provide supporting force for the vertical adjustment screw rod 49, the vertical adjustment screw rod 50 is connected to the bending cutter movement support 22 through the vertical screw rod seat 51, and the bending cutter movement support 22 moves on the bending frame 16 d along a straight line guide rail 53 through a sliding block installed on the bending cutter movement support 22 d under the drive of the vertical adjustment motor and the speed reducer 46;
The pressing assembly 4 comprises a pressing support 54, a pressing lower base plate 55, a pressing air cylinder 56 and a pressing block 57, wherein the pressing support 54 is arranged on the lathe bed 1, the pressing lower base plate 55 and the pressing air cylinder 56 are respectively arranged on the pressing support 54 one by one, and the pressing block 57 is connected with a connecting rod of the pressing air cylinder 56;
The side positioning assembly 5 comprises a side positioning baffle support 58, a side positioning baffle 59, a side pushing support 60, a side pushing cylinder support 61, a side pushing cylinder 62, a side pushing roller support 63 and a side pushing roller 64, wherein the side positioning baffle support 58 and the side pushing support 60 are both arranged on the bending frame 16, the side positioning baffle 59 is fixed on the side positioning baffle support 58, the side pushing cylinder support 61 is arranged on the side pushing support 60, two ends of the side pushing cylinder 62 are erected on the side pushing cylinder support 61, the side pushing roller support 63 is connected with a cylinder connector of the side pushing cylinder 62, the side pushing roller 64 is arranged on the side pushing roller support 63, and the side pushing cylinder 62 is driven by the side pushing cylinder 62 to do linear motion along a guide rail e66 through a sliding block e 65;
The back pushing assembly 6 comprises a back pushing bracket 67, a back pushing air cylinder 68, a positioning tongue 69, a tongue connecting plate 70 and a limiting rod 71, wherein the back pushing bracket 67 is arranged on the side face of the single-side end folding assembly 3 on the feeding side, the back pushing air cylinder 68 is arranged on the back pushing bracket 67, the positioning tongue 69 is connected to an air cylinder connecting head of the back pushing air cylinder 68 through the tongue connecting plate 70, the limiting rod 71 is arranged on the back pushing bracket 67, and the lower surface of the limiting rod 71 is higher than the highest standing edge of a plate material.
For a further understanding of the present invention, the following examples are provided to illustrate the present invention in detail, and the scope of the present invention is not limited by the following examples.
Example 1
A numerical control forming device of a labyrinth groove type end head of a refrigerator shell comprises a machine body 1, a conveying component 2, two groups of symmetrically installed single-side end folding components 3, a pressing component 4, a side positioning component 5 and a back pushing component 6, wherein,
The lathe bed 1 is formed by welding I-steel and steel plates, a guide rail a (7) is arranged on the lathe bed 1, two groups of servo adjustment assemblies a8 are symmetrically arranged on the bottom plate of the lathe bed 1, and the two groups of servo adjustment assemblies a8 are respectively connected to the bottom plate of the single-side end folding assembly 3, so that the single-side end folding assemblies 3 arranged on two sides of the lathe bed 1 can do linear motion along the guide rail a 7 through sliding blocks a 9 arranged on two sides of the lower surface of the bottom plate of the single-side end folding assembly;
The conveying assembly 2 is structurally symmetrical and comprises a fixed wheel frame assembly 10, a first movable wheel frame assembly 11, a second movable wheel frame assembly 12, a gear motor 13, a chain wheel assembly 14 and a synchronous belt 15, wherein the fixed wheel frame assembly 10 is symmetrically arranged on two sides of the machine tool body 1, the first movable wheel frame assembly 11 and the second movable wheel frame assembly 12 are arranged on the single-side end folding assembly 3 to move along with the single-side end folding assembly, the gear motor 13 is arranged on the discharging side of the machine tool body 1 to provide power for the conveying assembly 2, and the gear motor 13 transmits the power to the synchronous belt 15 wound along the fixed wheel frame assembly 10, the first movable wheel frame assembly 11 and the second movable wheel frame assembly 12 through the chain wheel assembly 14 connected with the gear motor;
The single-side end folding assembly 3 comprises a folding frame 16, a door-shaped frame 17, an upper pressing cutter servo adjusting assembly 18, an upper pressing cutter assembly 19, a cushion cutter 20, a folding cutter assembly 21, a folding cutter moving support 22, a horizontal servo adjusting assembly 23 and a vertical servo adjusting assembly 24, wherein the folding frame 16 is a bottom frame formed by welding steel plates, the door-shaped frame 17 is mounted on the folding frame 16, an upper pressing cutter servo motor 25 in the upper pressing cutter servo adjusting assembly 18 is mounted on the door-shaped frame 17, a motor output shaft is connected with an upper pressing cutter screw 27 through a coupler 26, an upper pressing cutter screw nut 28 is directly connected to the upper pressing cutter assembly 19 in a screwed mode, and the upper pressing cutter assembly 19 comprises an upper pressing cutter mounting frame 29, An automatic tool changing module 30, The automatic cutter changing module 30 is in screw connection with the upper cutter mounting frame 29, the central shaft 35 is directly connected with the cutter changing motor and the speed reducer 31, the upper cutter 32 is directly mounted on the automatic cutter changing module 30, the cushion cutter 20 is in screw connection with the bending frame 16, the bending cutter assembly 21 comprises a bending cutter 36 and a bending cutter holder 37, the bending cutter 36 is mounted on the bending cutter holder 37, the horizontal servo adjusting assembly 23 comprises a horizontal adjusting motor and the speed reducer 38, and the horizontal servo adjusting assembly comprises a horizontal adjusting motor and the speed reducer 38, a horizontal motor mounting seat 39, a horizontal screw rod supporting seat 40, a horizontal adjusting screw rod 41, The horizontal adjusting screw 42 and the horizontal screw seat 43, wherein the horizontal adjusting motor and the speed reducer 38 are mounted on the bending knife moving bracket 22 through the horizontal motor mounting seat 39, the horizontal screw rod supporting seat 40 is mounted on the horizontal motor mounting seat 39 to provide supporting force for the horizontal adjusting screw rod 41, the horizontal adjusting screw 42 is connected to the bending knife seat 37 through the horizontal screw seat 43, the bending knife assembly 21 is driven by the horizontal adjusting motor and the speed reducer 38 to do linear motion along the guide rail c 45 mounted on the bending knife moving bracket 22 through the slide block c 44 mounted on the lower surface of the bending knife seat 37, and the vertical servo adjusting assembly 24 comprises a vertical adjusting motor and the speed reducer 46, A vertical motor mounting seat 47, a vertical screw rod supporting seat 48, a vertical adjusting screw rod 49, A vertical adjusting screw 50 and a vertical screw seat 51, wherein the vertical adjusting motor and the speed reducer 46 are mounted on the bending frame 16 through the vertical motor mounting seat 47, the vertical screw rod supporting seat 48 is mounted on the vertical motor mounting seat 47 to provide supporting force for the vertical adjusting screw rod 49, the vertical adjusting screw 50 is connected to the bending knife moving bracket 22 through the vertical screw seat 51, and the bending knife moving bracket 22 is driven by the vertical adjusting motor and the speed reducer 46 to do linear motion along a guide rail d53 mounted on the bending frame 16 through a sliding block d 52 mounted on the back of the bending knife moving bracket 22;
The pressing assembly 4 comprises a pressing support 54, a pressing lower base plate 55, a pressing air cylinder 56 and a pressing block 57, wherein the pressing support 54 is arranged on the lathe bed 1, the pressing lower base plate 55 and the pressing air cylinder 56 are respectively arranged on the pressing support 54 one by one, and the pressing block 57 is connected with a connecting rod of the pressing air cylinder 56;
The side positioning assembly 5 comprises a side positioning baffle support 58, a side positioning baffle 59, a side pushing support 60, a side pushing cylinder support 61, a side pushing cylinder 62, a side pushing roller support 63 and a side pushing roller 64, wherein the side positioning baffle support 58 and the side pushing support 60 are both arranged on the bending frame 16, the side positioning baffle 59 is fixed on the side positioning baffle support 58, the side pushing cylinder support 61 is arranged on the side pushing support 60, two ends of the side pushing cylinder 62 are erected on the side pushing cylinder support 61, the side pushing roller support 63 is connected with a cylinder connector of the side pushing cylinder 62, the side pushing roller 64 is arranged on the side pushing roller support 63, and the side pushing cylinder 62 is driven by the side pushing cylinder 62 to do linear motion along a guide rail e 66 through a sliding block e 65;
The back pushing assembly 6 comprises a back pushing bracket 67, a back pushing air cylinder 68, a positioning tongue 69, a tongue connecting plate 70 and a limiting rod 71, wherein the back pushing bracket 67 is arranged on the side face of the single-side end folding assembly 3 on the feeding side, the back pushing air cylinder 68 is arranged on the back pushing bracket 67, the positioning tongue 69 is connected to an air cylinder connecting head of the back pushing air cylinder 68 through the tongue connecting plate 70, the limiting rod 71 is arranged on the back pushing bracket 67, and the lower surface of the limiting rod 71 is higher than the highest standing edge of a plate material.
The number and arrangement intervals of the synchronous belts 15 are determined according to the height of the refrigerator.
The number of upper press knives 32 in the upper press knife assembly 19 is established according to the process.
The actions of the numerical control forming equipment of the labyrinth groove type at the end head of the refrigerator shell are controlled by a PLC.
Referring to fig. 1, 2 and 3, in the refrigerator production line, the plate is conveyed from the last station to the numerical control forming equipment for the labyrinth groove type at the end of the refrigerator shell from left to right along the feeding direction, and the bending process of the labyrinth groove type at the front end and the rear end of the plate is completed.
In the conveying process, a gear motor 13 in the conveying assembly 2 is started, and the gear motor 13 transmits power to the synchronous belt 15 wound along the fixed wheel frame assembly 10, the first movable wheel frame assembly 11 and the second movable wheel frame assembly 12 through a chain wheel assembly 14 connected with the gear motor, so that the conveying action of the plate material is realized. According to the type of the refrigerator produced at present, the speed reducing motor 13 conveys the plate to a preset position, and at the moment, the speed reducing motor 13 is deactivated to complete the feeding of the plate.
Referring to fig. 1 and 5, the side pushing cylinder 62 is started to retract the cylinder rod of the side pushing cylinder 62, and the side pushing roller 64 is driven by the cylinder connector to make linear movement along the direction of the side positioning baffle 59 along the guide rail e 66 by the sliding block e 65, so that the side edge of the plate material is abutted against the side positioning baffle 59 under the pushing of the side pushing roller 64, and the side positioning of the plate material is completed.
Referring to fig. 1, 2 and 6, the backward pushing component 6 is installed on the side surface of the single-side end folding component 3 on the feeding side, and when a plate material enters the numerical control forming equipment for the labyrinth groove type of the end head of the refrigerator shell and passes through the backward pushing component 6, the backward pushing cylinder 68 is in a retracted state. At this time, the positioning tongue 69 collides with the stopper rod 71 during its retraction to assume a lifted state, and the lower surface of the stopper rod 71 is positioned higher than the highest standing edge height of the plate material, so that it does not interfere with the feeding process. When the plate is positioned laterally, a back pushing cylinder 68 is started, the back pushing cylinder drives a positioning tongue 69 to push forward, the positioning tongue 69 is changed into a vertical state under the influence of gravity in the process of pushing out the back pushing cylinder 68, the rear end edge of the plate is pushed to move forward until the front end edge of the plate abuts against the knife face elevation of the bending knife 36 in a lifting state, and the plate is positioned.
Referring to fig. 1 and 4, the pressing cylinder 56 is started at this time, the pressing block 57 moves downward under the driving of the pressing cylinder 56 to press the plate material on the pressing lower pad 55, then the side pushing cylinder 62 and the back pushing cylinder 68 are reset, and the bending knife 36 returns to the preset position to complete all positioning actions of the plate material.
Referring to fig. 1 to 3, the upper pressing knife servo motor 25 in the upper pressing knife servo adjustment assembly 18 is started, the upper pressing knife assembly 19 is driven by the upper pressing knife screw 27 and the upper pressing knife screw nut 28 to move downwards along the guide rail b 34 installed on the door-shaped frame 17 via the sliding block b 33 installed on the back surface of the upper pressing knife assembly, until the upper pressing knife 32 installed on the automatic knife changing module 30 presses the plate material on the cushion knife 20, and the upper pressing knife servo motor 25 is stopped. According to the bending labyrinth groove type, the horizontal servo adjusting component 23 and the vertical servo adjusting component 24 are started in turn or simultaneously to drive the bending knife 36 to move along any preset track. Specifically, when the horizontal servo adjusting assembly 23 is started, the horizontal adjusting motor and the speed reducer 38 work, so that the horizontal adjusting screw 41 converts the rotary motion of the motor shaft into the linear motion of the horizontal adjusting screw 42, the bending knife holder 37 is connected with the horizontal adjusting screw 42 through the horizontal screw seat 43, the bending knife 36 is mounted on the bending knife holder 37, so that the bending knife 36 can move horizontally along the guide rail d 45 mounted on the bending knife moving bracket 22 through the slider d 44 mounted on the lower surface of the bending knife holder 37, and when the vertical servo adjusting assembly 24 is started, the vertical adjusting motor and the speed reducer 46 work, so that the vertical adjusting screw 49 converts the rotary motion of the motor shaft into the linear motion of the vertical adjusting screw 50, and the bending knife moving bracket 22 is connected with the vertical adjusting screw 50 through the vertical screw seat 51, so that the bending knife moving bracket 22 can move vertically along the guide rail d 53 mounted on the bending frame 16 through the slider d 52 mounted on the back surface thereof.
By alternately or simultaneously activating the horizontal servo adjustment assembly 23 and the vertical servo adjustment assembly 24, all bending actions of the bending blade 36 are completed.
Subsequently, the bending blade 36 is moved to a position that does not affect the passing material, the upper blade servo adjustment assembly 18 is activated, reversing the upper blade servo motor 25 so that the upper blade 32 is raised to an initial position. The ram cylinder 56 is deactivated, causing ram block 57 to reset. The gear motor 13 is continuously started, so that the sheet material is continuously conveyed to the next station along the length direction.
In other embodiments, the automatic tool changing module 30 may be provided with a plurality of upper pressing tools 32, when different upper pressing tools 32 are needed, the tool changing motor and the speed reducer 31 are started, the central shaft of the automatic tool changing module 30 directly connected with the upper pressing tools starts to rotate under the drive of the motor shaft, and when the needed upper pressing tools 32 rotate to 6 o' clock, the tool changing motor and the speed reducer 31 are stopped. The shape of each upper pressing knife 32 arranged on the automatic knife changing module 30 is different, and more forming parameters are provided for bending the labyrinth grooves.
The backboard and coaming for the refrigerator prepared by the invention are shown in figures 7 and 8.
The above description of the embodiments is only for aiding in the understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
The previous description of the disclosed embodiments is provided to enable 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 applied to 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 (8)
1. A numerical control forming device for a labyrinth groove type end head of a refrigerator shell is characterized by comprising a lathe bed (1), a conveying assembly (2), two groups of symmetrically installed single-side end folding assemblies (3), a pressing assembly (4), a side positioning assembly (5) and a back pushing assembly (6), wherein,
The lathe bed (1) is movably connected with the single-side end folding component (3), and the single-side end folding component (3) moves along the lathe bed (1);
The conveying assembly (2) is structurally symmetrical and comprises a fixed wheel frame assembly (10), a first movable wheel frame assembly (11), a second movable wheel frame assembly (12), a gear motor (13), a chain wheel assembly (14) and a synchronous belt (15), wherein the fixed wheel frame assembly (10) is symmetrically arranged on two sides of the lathe bed (1), the first movable wheel frame assembly (11) and the second movable wheel frame assembly (12) are arranged on the single-side end folding assembly (3) to move along with the single-side end folding assembly, the gear motor (13) is arranged on the discharging side of the lathe bed (1) to provide power for the conveying assembly (2), and the gear motor (13) transmits power to the synchronous belt (15) wound along the fixed wheel frame assembly (10), the first movable wheel frame assembly (11) and the second movable wheel frame assembly (12) through the chain wheel assembly (14) connected with the gear motor.
The single-side end folding assembly (3) comprises a folding frame (16), a door-shaped frame (17) and an upper pressing cutter servo adjustment assembly (18), wherein the upper pressing cutter assembly (19), a cushion cutter (20), a folding cutter assembly (21), a folding cutter moving support (22), a horizontal servo adjustment assembly (23) and a vertical servo adjustment assembly (24), the door-shaped frame (17) is arranged on the folding frame (16), an upper pressing cutter servo motor (25) in the upper pressing cutter servo adjustment assembly (18) is arranged on the door-shaped frame (17), an output shaft of the motor is connected with an upper pressing cutter screw rod (27) through a coupler (26), an upper pressing cutter screw nut (28) is directly connected with the upper pressing cutter assembly (19) in a screwed mode, and the upper pressing cutter assembly (19) comprises an upper pressing cutter installation frame (29), An automatic tool changing module (30), the automatic cutter changing machine comprises an upper cutter mounting frame (29) and a speed reducer (31) and an upper cutter (32), wherein the upper cutter mounting frame (29) is connected with an upper cutter screw (28), the upper cutter mounting frame (29) slides relatively on a door-shaped frame (17), an automatic cutter changing module (30) is in threaded connection with the upper cutter mounting frame (29), a central shaft (35) is directly connected with the cutter changing motor and the speed reducer (31), the upper cutter (32) is directly mounted on the automatic cutter changing module (30), a cushion cutter (20) is in threaded connection with a bending frame (16), a bending cutter assembly (21) comprises a bending cutter (36) and a bending cutter holder (37), the bending cutter (36) is mounted on the bending cutter holder (37), and a horizontal servo adjusting assembly (23) comprises a horizontal adjusting motor and the speed reducer (38), A horizontal motor mounting seat (39), a horizontal screw rod supporting seat (40), a horizontal adjusting screw rod (41), The horizontal adjusting screw nut (42) and the horizontal screw nut seat (43), wherein the horizontal adjusting motor and the speed reducer (38) are installed on the bending knife moving support (22) through the horizontal motor installation seat (39), the horizontal screw rod supporting seat (40) is installed on the horizontal motor installation seat (39) to provide supporting force for the horizontal adjusting screw rod (41), the horizontal adjusting screw nut (42) is connected to the bending knife assembly (21) through the horizontal screw nut seat (43), the bending knife assembly (21) and the bending knife moving support (22) move relatively under the driving of the horizontal adjusting motor and the speed reducer (38), and the vertical servo adjusting assembly (24) comprises a vertical adjusting motor and the speed reducer (46), a vertical motor mounting seat (47), a vertical screw rod supporting seat (48), a vertical adjusting screw rod (49), The vertical adjusting screw (50) and the vertical screw seat (51), wherein the vertical adjusting motor and the speed reducer (46) are installed on the bending frame (16) through the vertical motor installation seat (47), the vertical screw rod support seat (48) is installed on the vertical motor installation seat (47) to provide supporting force for the vertical adjusting screw rod (49), the vertical adjusting screw (50) is connected to the bending knife movement support (22) through the vertical screw seat (51), the bending knife movement support (22) is driven by the vertical adjusting motor and the speed reducer (46) to do linear movement along a guide rail d (53) installed on the bending frame (16) through a slider d (52) installed on the back of the bending knife movement support (22), the back of the upper pressing knife installation frame (29) is provided with a slider b (33), the door-shaped frame (17) is provided with a guide rail b (34), and the upper pressing knife servo motor (25) drives the upper pressing knife installation frame (29) to do linear movement along the guide rail b (34);
The pressing assembly (4) comprises a pressing support (54), a pressing lower base plate (55), a pressing cylinder (56) and a pressing block (57), wherein the pressing support (54) is arranged on the lathe bed (1), the pressing lower base plate (55) and the pressing cylinder (56) are respectively arranged on the pressing support (54) up and down, and the pressing block (57) is connected with a connecting rod of the pressing cylinder (56);
The side positioning assembly (5) comprises a side positioning baffle support (58), a side positioning baffle (59), a side pushing support (60), a side pushing cylinder support (61), a side pushing cylinder (62), a side pushing cylinder support (63) and a side pushing roller (64), wherein the side positioning baffle support (58) and the side pushing support (60) are both arranged on the bending frame (16), the side positioning baffle (59) is fixed on the side positioning baffle support (58), the side pushing cylinder support (61) is arranged on the side pushing support (60), two ends of the side pushing cylinder (62) are erected on the side pushing cylinder support (61), the side pushing cylinder support (63) is connected with a cylinder connector of the side pushing cylinder (62), and the side pushing roller (64) is arranged on the side pushing cylinder support (63) and moves linearly along a guide rail e (66) through a sliding block e (65) under the driving of the side pushing cylinder (62);
The back pushing assembly (6) comprises a back pushing support (67), a back pushing air cylinder (68), a positioning tongue (69), a tongue connecting plate (70) and a limiting rod (71), wherein the back pushing support (67) is arranged on the side face of the single-side end folding assembly (3) on the feeding side, the back pushing air cylinder (68) is arranged on the back pushing support (67), the positioning tongue (69) is connected to an air cylinder connecting head of the back pushing air cylinder (68) through the tongue connecting plate (70), the limiting rod (71) is arranged on the back pushing support (67), and the lower surface of the limiting rod (71) is higher than the highest vertical edge of a plate material;
the actions of the numerical control forming equipment of the labyrinth groove type at the end head of the refrigerator shell are controlled by a PLC.
2. The numerical control forming equipment for the labyrinth groove at the end head of the refrigerator shell according to claim 1, wherein the lathe bed (1) is formed by welding I-steel and steel plates.
3. The numerical control forming equipment for the end maze groove of the refrigerator shell according to claim 2, wherein the lathe bed (1) is provided with a guide rail a (7), two groups of servo adjusting assemblies a (8) are respectively connected to the bottom plate of the single-side end folding assembly (3), so that the single-side end folding assemblies (3) arranged at two sides of the lathe bed (1) can do linear motion along the guide rail a (7) through sliding blocks a (9) arranged at two sides of the bottom plate lower surface of the single-side end folding assembly.
4. The numerical control forming device for the end labyrinth groove of the refrigerator shell according to claim 1, characterized in that the bending frame (16) is a bottom frame welded by steel plates.
5. The numerical control forming equipment for the end labyrinth groove type of the refrigerator shell according to claim 1, wherein the number and arrangement intervals of the synchronous belts (15) are determined according to the height of the refrigerator.
6. The numerically controlled forming apparatus for a refrigerator case end labyrinth groove according to claim 1, wherein the number of upper press knives (32) in the upper press knife assembly (19) is formulated according to a process.
7. The numerical control forming device for a refrigerator case end labyrinth groove according to claim 1, characterized in that the horizontal adjustment screw (42) is connected to the bending knife holder (37) through the horizontal screw seat (43).
8. The numerical control forming equipment for the labyrinth groove of the end head of the refrigerator shell according to claim 1, wherein the bending knife assembly (21) is driven by the horizontal adjusting motor and the speed reducer (38) to do linear motion along a guide rail c (45) arranged on the bending knife moving bracket (22) through a sliding block c (44) arranged on the lower surface of the bending knife seat (37).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011378604.1A CN114570797B (en) | 2020-11-30 | 2020-11-30 | A CNC forming device for the labyrinth groove of the end of the refrigerator shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011378604.1A CN114570797B (en) | 2020-11-30 | 2020-11-30 | A CNC forming device for the labyrinth groove of the end of the refrigerator shell |
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| CN114570797A CN114570797A (en) | 2022-06-03 |
| CN114570797B true CN114570797B (en) | 2025-02-14 |
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| CN202011378604.1A Active CN114570797B (en) | 2020-11-30 | 2020-11-30 | A CNC forming device for the labyrinth groove of the end of the refrigerator shell |
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| CN115121663A (en) * | 2022-07-28 | 2022-09-30 | 安徽省科昌机械制造股份有限公司 | A sheet metal slot servo bending forming machine |
| AT526736B1 (en) * | 2022-11-17 | 2025-08-15 | Trumpf Maschinen Austria Gmbh & Co Kg | Optimized table for bending machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215199094U (en) * | 2020-11-30 | 2021-12-17 | 北京长征火箭装备科技有限公司 | Numerical control forming equipment for labyrinth groove type of end head of refrigerator shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1258558A1 (en) * | 1985-04-04 | 1986-09-23 | Волжское объединение по производству легковых автомобилей | Method of producing bent asymmetric sections of complicated shape |
| CN109127796A (en) * | 2018-08-30 | 2019-01-04 | 安徽擎天伟嘉装备制造有限公司 | A kind of the numerical control molding machine and its forming method of outcase of refrigerator maze trough |
| CN209139554U (en) * | 2018-09-12 | 2019-07-23 | 青岛铭宇智能设备有限公司 | For the molding Z-type bending machine of freezer liner |
| CN209139555U (en) * | 2018-09-12 | 2019-07-23 | 青岛铭宇智能设备有限公司 | A kind of molding equipment for refrigerator-freezer door panel bending |
| CN210816824U (en) * | 2019-08-20 | 2020-06-23 | 洛阳市优能自动化设备有限公司 | Bending unit of metal plate flanging machine and metal plate flanging machine |
| CN110449491B (en) * | 2019-08-20 | 2024-05-03 | 洛阳市优能自动化设备有限公司 | Bending unit of sheet metal flanging machine and sheet metal flanging machine |
| CN110560521A (en) * | 2019-09-20 | 2019-12-13 | 洛阳市优能自动化设备有限公司 | automatic bending machine |
| CN211965689U (en) * | 2019-11-19 | 2020-11-20 | 北京长征火箭装备科技有限公司 | Integrated forming equipment for border plate of unbounded refrigerator |
| CN212019019U (en) * | 2020-04-23 | 2020-11-27 | 青岛海一诺德工业自动化有限公司 | Automatic bender of refrigerator freezer door shell |
| CN111974842B (en) * | 2020-08-18 | 2022-08-23 | 安徽鲲鹏装备模具制造有限公司 | Refrigerator side plate forming process |
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| CN215199094U (en) * | 2020-11-30 | 2021-12-17 | 北京长征火箭装备科技有限公司 | Numerical control forming equipment for labyrinth groove type of end head of refrigerator shell |
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