阅读说明：本技术 一种塑料燃油箱六层共挤成型模具 (Six-layer co-extrusion forming die for plastic fuel tank ) 是由 苗红民 葛平平 吴晓明 余丽 于 2021-02-03 设计创作，主要内容包括：本发明公开了一种塑料燃油箱六层共挤成型模具,包括上模架和下模架,所述上模架和下模架通过固定方块固定安装,所述下模架的底部开设有第二方槽,所述第二方槽内滑动连接有在竖直方向上运动的升降板。本发明中,启动第二驱动电机转动,带动第四齿轮转动,带动第五齿轮转动,驱动第一连杆转动,通过第二连杆和连接杆之间的联动,驱动滑动块在竖直方向上作往复运动,驱动升降板在竖直方向上作往复运动,第二驱动电机是伺服电机,第二驱动电机停止转动,升降板被限制移动,调节了升降板的高度,升降板向下运动撑起共挤成型模具,共挤成型模具离开地面,此时,可以推动共挤成型模具,便于移动共挤成型模具。(The invention discloses a six-layer co-extrusion forming die for a plastic fuel tank, which comprises an upper die frame and a lower die frame, wherein the upper die frame and the lower die frame are fixedly installed through a fixed square block, the bottom of the lower die frame is provided with a second square groove, and a lifting plate moving in the vertical direction is connected in the second square groove in a sliding manner. According to the invention, the second driving motor is started to rotate to drive the fourth gear to rotate and drive the fifth gear to rotate to drive the first connecting rod to rotate, the sliding block is driven to reciprocate in the vertical direction through linkage between the second connecting rod and the connecting rod, the lifting plate is driven to reciprocate in the vertical direction, the second driving motor is a servo motor, the second driving motor stops rotating, the lifting plate is limited to move, the height of the lifting plate is adjusted, the lifting plate moves downwards to support the co-extrusion forming die, and the co-extrusion forming die is separated from the ground.)

1. A six-layer co-extrusion forming die for a plastic fuel tank comprises an upper die carrier (1) and a lower die carrier (2), and is characterized in that the upper die carrier (1) and the lower die carrier (2) are fixedly installed through a fixing square block (3), a second square groove (201) is formed in the bottom of the lower die carrier (2), a lifting plate (20) moving in the vertical direction is connected in the second square groove (201) in a sliding mode, and wheels (32) are fixedly installed at the bottom of the lifting plate (20);

fixed mounting has fixing base (22) and second fixed block (30) in lower die carrier (2), recess (2201) has been seted up in fixing base (22), sliding connection has sliding block (23) in recess (2201), the one end fixedly connected with axis of rotation (27) of sliding block (23), sliding block (23) bottom fixed mounting has motion pole (21), the bottom and lifter plate (20) top fixed mounting of motion pole (21), rotate on axis of rotation (27) and install fifth gear (26), fixed mounting has first connecting rod (28) on fifth gear (26), connecting rod (31) are installed in the free end rotation of first connecting rod (28), the free end rotation of connecting rod (31) installs second connecting rod (29), fixedly connected with second dead lever (33) on second fixed block (30), the free end of the second connecting rod (29) is rotatably mounted with a second fixing rod (33), and a second driving mechanism for driving the fifth gear (26) to rotate is arranged on the sliding block (23);

go up first square groove (101) on die carrier (1), it has two first fixed blocks (5), two to go up fixed mounting in die carrier (1) be equipped with rack plate (8) of motion on the horizontal direction between first fixed block (5), the both ends fixedly connected with of rack plate (8) passes gag lever post (4) of first fixed block (5), gag lever post (4) are at first square groove (101) internal motion, it has first dead lever (11) to go up fixed mounting in die carrier (1), it installs turning block (10) to rotate on first dead lever (11), the one end fixed mounting of turning block (10) has first gear (9) of being connected with rack plate (8) meshing, upward be equipped with drive turning block (10) pivoted actuating mechanism in die carrier (1).

2. The six-layer co-extrusion forming die for the plastic fuel tank according to claim 1, wherein the first driving mechanism comprises a first driving motor (19), a circular table (12) is fixedly installed in the upper die frame (1), an inner threaded tooth (1201) is formed in the circular table (12), a second gear (13) is rotatably installed in the upper die frame (1), a third gear (14) is connected to the second gear (13) in a meshed manner, the third gear (14) is connected with the inner threaded tooth (1201) in a meshed manner, a sliding groove (1001) is formed in the rotating block (10), a sliding rod (15) which slides in the sliding groove (1001) is fixedly installed at one end of the third gear (14), a central shaft (16) is fixedly installed at one end of the second gear (13), and a worm wheel (17) is fixedly installed at the free end of the central shaft (16), go up die carrier (1) internal fixed mounting has first driving motor (19), the transmission is connected with worm (18) of being connected with worm wheel (17) meshing on the output shaft of first driving motor (19).

3. The plastic fuel tank six-layer coextrusion die according to claim 2, wherein the second driving mechanism comprises a second driving motor (24), the second driving motor (24) is fixedly mounted on the sliding block (23), and a fourth gear (25) meshed with a fifth gear (26) is connected to an output shaft of the second driving motor (24) in a transmission manner.

4. The plastic fuel tank six-layer coextrusion die as set forth in claim 3, wherein said second fixing rod (33) is welded to said second fixing block (30).

5. The six-layer coextrusion die for plastic fuel tanks, as set forth in claim 4, wherein a baffle (7) is fixedly connected to one of the limiting rods (4), and the baffle (7) is elastically connected to the first fixing block (5) through a spring (6).

6. The six-layer coextrusion die for plastic fuel tanks according to claim 5, wherein a guide groove (2202) communicated with the groove (2201) is formed in the fixed seat (22), and a guide block (34) matched with the guide groove (2202) is fixedly connected to the sliding block (23).

7. The plastic fuel tank six-layer coextrusion die according to claim 6, wherein a plurality of rotating balls (35) in rolling contact with the guide block (34) are rotatably mounted in the guide groove (2202).

8. The plastic fuel tank six-layer coextrusion forming die as claimed in claim 7, wherein the first driving motor (19) is fixedly installed in the upper die frame (1) through bolts.

9. The plastic fuel tank six-layer coextrusion die set forth in claim 8, wherein a plurality of said rotary balls (35) are disposed at equal intervals in the guide grooves (2202).

10. The plastic fuel tank six-layer coextrusion die set forth in claim 9 wherein said guide groove (2202) is a T-shaped guide groove.

Technical Field

The invention relates to the technical field of co-extrusion forming dies, in particular to a six-layer co-extrusion forming die for a plastic fuel tank.

Background

With the development of the automobile industry technology, the environmental protection and safety requirements are continuously improved, the requirement on the permeation resistance of the fuel tank is higher and higher in various countries, compared with the metal fuel tank, the plastic fuel tank has the advantages of light weight, large freedom degree of shape, short development period, low cost, convenience in automobile design and manufacture, high safety and reliability, impact resistance, corrosion resistance, no explosion and the like, so that the permeation resistance automobile plastic fuel tank produced by using a multilayer co-extrusion forming die becomes a first choice, and a parison of the existing multilayer co-extrusion forming die is generally provided with six layers which are respectively a welding layer, a recycling material layer, a bonding layer, a blocking layer, a bonding layer and an inner layer.

When the co-extrusion forming die moves, a lifting ring needs to be installed on the co-extrusion forming die, the lifting ring is connected with the co-extrusion forming die in a threaded screwing mode, and a crane is used for lifting the lifting ring to move the co-extrusion forming die.

Disclosure of Invention

In order to solve the technical problems mentioned in the background technology, a six-layer co-extrusion forming die for a plastic fuel tank is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a six-layer co-extrusion forming die for a plastic fuel tank comprises an upper die frame and a lower die frame, wherein the upper die frame and the lower die frame are fixedly installed through a fixing square block, a second square groove is formed in the bottom of the lower die frame, a lifting plate moving in the vertical direction is connected in the second square groove in a sliding mode, and wheels are fixedly installed at the bottom of the lifting plate;

a fixed seat and a second fixed block are fixedly installed in the lower die carrier, a groove is formed in the fixed seat, a sliding block is connected in the groove in a sliding mode, one end of the sliding block is fixedly connected with a rotating shaft, a moving rod is fixedly installed at the bottom of the sliding block, the bottom of the moving rod is fixedly installed at the top of the lifting plate, a fifth gear is rotatably installed on the rotating shaft, a first connecting rod is fixedly installed on the fifth gear, a connecting rod is rotatably installed at the free end of the first connecting rod, a second connecting rod is rotatably installed at the free end of the connecting rod, a second fixed rod is fixedly connected to the second fixed block, the free end of the second connecting rod is rotatably installed with the second fixed rod, and a second driving mechanism for driving the fifth gear to rotate is arranged on the;

go up the die carrier and seted up first square groove, go up the interior fixed mounting of die carrier and have two first fixed blocks, two be equipped with the rack plate of motion on the horizontal direction between the first fixed block, the both ends fixedly connected with of rack plate passes the gag lever post of first fixed block, the gag lever post moves at first square groove, go up the interior fixed mounting of die carrier and have first dead lever, rotate on the first dead lever and install the turning block, the one end fixed mounting of turning block has the first gear of being connected with the meshing of rack plate, it is equipped with a drive turning block pivoted actuating mechanism to go up in the die carrier.

As a further description of the above technical solution:

first actuating mechanism includes a drive motor, go up the interior fixed mounting of die carrier and have the round platform, interior line tooth has been seted up in the round platform, go up the die carrier internal rotation and install the second gear, the meshing is connected with the third gear on the second gear, the third gear is connected with interior line tooth meshing, the sliding tray has been seted up in the rotating block, the one end fixed mounting of third gear has gliding slide bar in the sliding tray, the one end fixed mounting of second gear has the center pin, the free end fixed mounting of center pin has the worm wheel, go up the interior fixed mounting of die carrier and have a drive motor, the transmission is connected with the worm of being connected with the worm wheel meshing on a drive motor's the output shaft.

As a further description of the above technical solution:

the second driving mechanism comprises a second driving motor, the sliding block is fixedly provided with the second driving motor, and an output shaft of the second driving motor is connected with a fourth gear in a transmission mode, wherein the fourth gear is meshed with the fifth gear.

As a further description of the above technical solution:

and the second fixing rod is welded on the second fixing block.

As a further description of the above technical solution:

one of them fixedly connected with baffle on the gag lever post, pass through spring elastic connection between baffle and the first fixed block.

As a further description of the above technical solution:

the fixing seat is internally provided with a guide groove communicated with the groove, and the sliding block is fixedly connected with a guide block matched with the guide groove.

As a further description of the above technical solution:

and a plurality of rotating balls in rolling contact with the guide blocks are rotatably arranged in the guide grooves.

As a further description of the above technical solution:

the first driving motor is fixedly installed in the upper die frame through bolts.

As a further description of the above technical solution:

the plurality of rotating balls are arranged in the guide groove at equal intervals.

As a further description of the above technical solution:

the guide groove is a T-shaped guide groove.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the second driving motor is started to rotate to drive the fourth gear to rotate and drive the fifth gear to rotate to drive the first connecting rod to rotate, the sliding block is driven to reciprocate in the vertical direction through linkage between the second connecting rod and the connecting rod, the lifting plate is driven to reciprocate in the vertical direction, the second driving motor is a servo motor, the second driving motor stops rotating, the lifting plate is limited to move, the height of the lifting plate is adjusted, the lifting plate moves downwards to support the co-extrusion forming die, and the co-extrusion forming die is separated from the ground.

2. According to the invention, the lifting ring is placed in the first square groove, the first driving motor is started to rotate to drive the worm to rotate, the worm wheel is driven to rotate to drive the second gear to rotate according to the meshing transmission principle of the latch, the third gear is driven to rotate around the axis of the second gear, the sliding rod slides in the sliding groove to drive the rotating block to rotate in a reciprocating manner, and further the first gear is driven to swing in a reciprocating manner to drive the rack plate to do reciprocating movement in the horizontal direction, the limiting rod can be driven to be inserted into the lifting ring, the first driving motor stops rotating, the worm and the worm wheel have a self-locking function, the limiting rod is limited to move, and the co-extrusion forming die is lifted by using the crane.

3. According to the invention, the guide groove is matched with the guide block to ensure that the sliding block stably moves in the groove, and the rotating ball rotates to reduce the friction force between the guide groove and the guide block, so that the sliding block can conveniently move in the groove.

Drawings

FIG. 1 is a first angle view of a part of a plastic fuel tank six-layer coextrusion die according to an embodiment of the present invention;

FIG. 2 is a second perspective view of a part of a six-layer co-extrusion mold for a plastic fuel tank according to an embodiment of the present invention;

FIG. 3 is a third angle view of a part of a six-layer coextrusion molding die for plastic fuel tanks, according to an embodiment of the present invention;

FIG. 4 is a schematic front view of a six-layer co-extrusion molding die for a plastic fuel tank according to an embodiment of the invention;

FIG. 5 is a schematic view of the interior of an upper mold frame of a six-layer coextrusion die for plastic fuel tanks according to an embodiment of the invention;

FIG. 6 is a schematic view of the interior of a lower mold frame of a six-layer coextrusion die for plastic fuel tanks according to an embodiment of the present invention;

FIG. 7 is a schematic partial cross-sectional view of a six-layer co-extrusion molding die for a plastic fuel tank according to an embodiment of the invention.

Illustration of the drawings:

1. feeding a mold frame; 101. a first square groove; 2. a lower die frame; 201. a second square groove; 3. fixing the square block; 4. a limiting rod; 5. a first fixed block; 6. a spring; 7. a baffle plate; 8. a rack plate; 9. a first gear; 10. rotating the block; 1001. a sliding groove; 11. a first fixing lever; 12. a circular truncated cone; 1201. inner thread teeth; 13. a second gear; 14. a third gear; 15. a slide bar; 16. a central shaft; 17. a worm gear; 18. a worm; 19. a first drive motor; 20. a lifting plate; 21. a motion bar; 22. a fixed seat; 2201. a groove; 2202. a guide groove; 23. a slider; 24. a second drive motor; 25. a fourth gear; 26. a fifth gear; 27. a rotating shaft; 28. a first link; 29. a second link; 30. a second fixed block; 31. a connecting rod; 32. a wheel; 33. a second fixing bar; 34. a guide block; 35. the ball is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-7, the present invention provides a technical solution: a six-layer co-extrusion forming die for a plastic fuel tank comprises an upper die carrier 1 and a lower die carrier 2, wherein the upper die carrier 1 and the lower die carrier 2 are fixedly installed through a fixing square block 3, a second square groove 201 is formed in the bottom of the lower die carrier 2, a lifting plate 20 moving in the vertical direction is connected in the second square groove 201 in a sliding mode, and wheels 32 are fixedly installed at the bottom of the lifting plate 20; a fixed seat 22 and a second fixed block 30 are fixedly installed in the lower die carrier 2, a groove 2201 is formed in the fixed seat 22, a sliding block 23 is connected in the groove 2201 in a sliding manner, one end of the sliding block 23 is fixedly connected with a rotating shaft 27, a moving rod 21 is fixedly installed at the bottom of the sliding block 23, the bottom of the moving rod 21 is fixedly installed with the top of the lifting plate 20, a fifth gear 26 is rotatably installed on the rotating shaft 27, a first connecting rod 28 is fixedly installed on the fifth gear 26, a connecting rod 31 is rotatably installed at the free end of the first connecting rod 28, a second connecting rod 29 is rotatably installed at the free end of the connecting rod 31, a second fixed rod 33 is fixedly connected on the second fixed block 30, the free end of the second connecting rod 29 is rotatably installed with the second fixed rod 33, and a second driving; the upper die carrier 1 is provided with a first square groove 101, two first fixed blocks 5 are fixedly arranged in the upper die carrier 1, a rack plate 8 moving in the horizontal direction is arranged between the two first fixed blocks 5, two ends of the rack plate 8 are fixedly connected with limit rods 4 penetrating through the first fixed blocks 5, the limit rods 4 move in the first square groove 101, a first fixed rod 11 is fixedly arranged in the upper die carrier 1, a rotating block 10 is rotatably arranged on the first fixed rod 11, one end of the rotating block 10 is fixedly provided with a first gear 9 engaged and connected with the rack plate 8, a first driving mechanism for driving the rotating block 10 to rotate is arranged in the upper die carrier 1, the first driving mechanism comprises a first driving motor 19, a circular table 12 is fixedly arranged in the upper die carrier 1, a circular table tooth 1201 is arranged in the circular table 12, a second gear 13 is rotatably arranged in the upper die carrier 1, and a third gear 14 is engaged and connected on the second gear 13, a third gear 14 is meshed with the inner thread 1201, a sliding groove 1001 is arranged in the rotating block 10, one end of the third gear 14 is fixedly provided with a sliding rod 15 which slides in the sliding groove 1001, one end of a second gear 13 is fixedly provided with a central shaft 16, a free end of the central shaft 16 is fixedly provided with a worm wheel 17, a first driving motor 19 is fixedly arranged in the upper die frame 1, an output shaft of the first driving motor 19 is in transmission connection with a worm 18 which is meshed with the worm wheel 17, a second driving mechanism comprises a second driving motor 24, a sliding block 23 is fixedly provided with a second driving motor 24, an output shaft of the second driving motor 24 is in transmission connection with a fourth gear 25 which is meshed with a fifth gear 26, a second fixing rod 33 is welded on a second fixing block 30, the first driving motor 19 is fixedly arranged in the upper die frame 1 through a bolt, one of the limiting rods 4 is fixedly connected with a baffle 7, the baffle 7 is elastically connected with the first fixed block 5 through a spring 6, a second driving motor 24 is started to rotate to drive a fourth gear 25 to rotate, a fifth gear 26 is driven to rotate according to the meshing transmission principle of the latch, a first connecting rod 28 is driven to rotate, a sliding block 23 is driven to reciprocate in the vertical direction through linkage between a second connecting rod 29 and a connecting rod 31, a lifting plate 20 is driven to reciprocate in the vertical direction, the second driving motor 24 is a servo motor, the second driving motor 24 stops rotating, the lifting plate 20 is limited to move, the height of the lifting plate 20 is adjusted, the lifting plate 20 moves downwards to support the co-extrusion forming die, the co-extrusion forming die is separated from the ground, at the moment, the co-extrusion forming die can be pushed to move the co-extrusion forming die, a lifting ring is placed in a first square groove 101, a first driving motor 19 is started to rotate to drive a worm 18 to rotate, according to the meshing transmission principle of the latch, the worm wheel 17 is driven to rotate to drive the second gear 13 to rotate, according to the meshing transmission principle of the latch, the third gear 14 is driven to rotate around the axis of the second gear 13, the sliding rod 15 slides in the sliding groove 1001 to drive the rotating block 10 to rotate in a reciprocating mode, and further the first gear 9 is driven to swing in a reciprocating mode.

Referring to fig. 3 and 7, a guide groove 2202 communicated with the groove 2201 is formed in the fixed seat 22, the sliding block 23 is fixedly connected with a guide block 34 matched with the guide groove 2202, a plurality of rotating balls 35 in rolling contact with the guide block 34 are rotatably mounted in the guide groove 2202, the plurality of rotating balls 35 are arranged in the guide groove 2202 at equal intervals, the guide groove 2202 is a T-shaped guide groove, the guide groove 2202 and the guide block 34 are matched to ensure stable movement of the sliding block 23 in the groove 2201, and the rotating balls 35 rotate to reduce friction between the guide groove 2202 and the guide block 34, so that the sliding block 23 can move in the groove 2201.

The working principle is as follows: moving a co-extrusion forming die: firstly, a second driving motor 24 is started to rotate to drive a fourth gear 25 to rotate, a fifth gear 26 is driven to rotate according to the meshing transmission principle of the latch, a first connecting rod 28 is driven to rotate, a sliding block 23 is driven to reciprocate in the vertical direction through linkage between a second connecting rod 29 and a connecting rod 31, a lifting plate 20 is driven to reciprocate in the vertical direction, the second driving motor 24 is a servo motor, the second driving motor 24 stops rotating, the lifting plate 20 is limited to move, the height of the lifting plate 20 is adjusted, the lifting plate 20 moves downwards to support a co-extrusion forming die, and the co-extrusion forming die is separated from the ground;

hoisting the co-extrusion forming die by using a crane: firstly, the hanging ring is put in the first square groove 101, then, the first driving motor 19 is started to rotate, the worm 18 is driven to rotate, according to the meshing transmission principle of the latch, the worm wheel 17 is driven to rotate, the second gear 13 is driven to rotate, according to the meshing transmission principle of the latch, the third gear 14 is driven to rotate around the axis of the second gear 13, the sliding rod 15 slides in the sliding groove 1001, the rotating block 10 is driven to rotate in a reciprocating manner, and the first gear 9 is driven to swing in a reciprocating manner, according to the meshing transmission principle of the latch, the rack plate 8 is driven to reciprocate in the horizontal direction, the limiting rod 4 can be driven to be inserted into the lifting ring, the first driving motor 19 stops rotating, the worm 18 and the worm wheel 17 have the self-locking function, the limiting rod 4 is limited to move, and then the co-extrusion forming die is lifted by the crane.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.