CN210705640U

CN210705640U - Demoulding device of oil tank rotational moulding mould

Info

Publication number: CN210705640U
Application number: CN201921428345.1U
Authority: CN
Inventors: 高明军
Original assignee: HUBEI XIANGFAN XIANGHUA EMCHANICAL EQUIPMENTS CO LTD
Current assignee: HUBEI XIANGFAN XIANGHUA EMCHANICAL EQUIPMENTS CO LTD
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-09
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to the technical field of rotational molding dies, and discloses a demolding device of an oil tank rotational molding die, which comprises a die, a die frame and a demolding device; the mould comprises a bottom mould, a top mould I and a top mould II, the mould frame comprises a base, a rotating shaft connected to the base, a driving wheel I fixed on the rotating shaft and connected with the rotating wheel I, and a driving wheel II connected with the rotating wheel II, and the demoulding device comprises a support frame, a first sliding strip and a second sliding strip which are fixed on the support frame, and a first sliding block embedded in the first sliding strip and a second sliding block embedded in the second sliding strip. The utility model has the advantages of it is following and effect: the first demolding top mold and the second demolding top mold are separated from the bottom mold along the slide bars in opposite directions to realize demolding, the degree of automation is high, the demolding efficiency is high, and the demolding device is suitable for molds of various sizes.

Description

Demoulding device of oil tank rotational moulding mould

Technical Field

The utility model relates to a rotational moulding mould technical field, in particular to oil tank rotational moulding mould's shedder.

Background

The 3DFF type double-layer buried oil tank is manufactured by adding FRP composite material into a mold under the condition that a rotational molding mold rotates, then the mold continuously rotates along two vertical shafts to heat the rotational molding mold, raw materials in the mold are uniformly coated and melted on the whole surface of a mold cavity under the action of gravity and heat energy to be molded into the shape of the oil tank, then the rotational molding mold is opened, and a finished product is taken out. 3DFF type double-deck buried oil tank is bulky, and the mould of preparation oil tank is bulky, and the quality is heavy, and it is big to adopt artifical drawing of patterns intensity of labour, and the operation difficulty, and the rotational moulding mould need heat the material melting that makes in the mould at the operation in-process, leads to the mould to have higher temperature, and operating personnel's personal safety is difficult to guarantee.

The application publication number of the Chinese invention patent CA 10635152A provides an automatic rapid demoulding and mould closing device of a rotational moulding mould, the mould comprises a peripheral mould and a top mould, a template is fixedly arranged outside the mould, and the template comprises a peripheral template and a top template; the die frame is arranged outside the surrounding die plates, the die frame is provided with an oil cylinder, the fixed end of the oil cylinder is fixed on the die frame, the piston rod end of the oil cylinder is connected to the outer portion of the surrounding die plate corresponding to the piston rod end, the oil tank is arranged inside the die frame, the oil cylinder is connected with the oil tank through an oil pipe, and automatic demolding and die assembly of the die are achieved through the oil cylinder. The device is suitable for the mould that the volume is less, and when the mould volume is great, adopt this scheme to need longer hydro-cylinder piston rod, lead to shedder bulky, manufacturing cost height and working costs height.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oil tank rotational moulding mould's shedder has simple structure, can automatic drawing of patterns and compound die, the effect that the security performance is high.

The above technical purpose of the present invention can be achieved by the following technical solutions: the device comprises a mold, a mold frame positioned below the mold, and a demolding device positioned above the mold;

the die comprises a bottom die, a first top die and a second top die, wherein a first rotating wheel is arranged on one side of the first top die, a second rotating wheel is arranged on one side of the second top die, which is far away from the second top die, and the bottom die is connected with the first top die and the second top die through a first bolt;

the die carrier comprises a base, a rotating shaft connected to the base, a first driving wheel fixed on the rotating shaft and connected with the first rotating wheel, and a second driving wheel connected with the second rotating wheel, wherein a plurality of arc-shaped sliding strips are arranged on the outer wall of the bottom die, and a supporting wheel connected with the arc-shaped sliding strips is arranged on the base;

demoulding device includes the support frame, fixes draw runner one and draw runner two on the support frame, inlay in the draw runner is interior and can follow draw runner straight reciprocating motion's slider one, inlay in the draw runner two and can follow draw runner straight reciprocating motion's slider two, the slider below is provided with bolt two, be provided with the confession on the top mould one the through-hole one that bolt two peg graft, slider two below is provided with bolt three, be provided with the confession on the top mould two the through-hole two that bolt three was pegged graft.

By adopting the technical scheme, the die comprises a bottom die, a first top die and a second top die, and the bottom die, the first top die and the second top die are connected by a first bolt, so that the die is convenient to demould and close; the die carrier comprises a base and a driving wheel which is rotationally connected to the base through a rotating shaft and can drive a first rotating wheel and a second rotating wheel on the die to rotate, a supporting wheel is further arranged on the die carrier, an arc-shaped sliding strip is arranged on the outer wall of the bottom die, the arc-shaped sliding strip is connected with the supporting wheel during demolding, and the bottom die is placed on the die carrier through the supporting wheel, so that demolding of the top die and the top die is facilitated; the demoulding device comprises a support frame, a first sliding strip and a second sliding strip, wherein the first sliding strip and the second sliding strip are fixed on the support frame, the first sliding block and the second sliding block are respectively embedded in the first sliding strip and the second sliding strip, the first sliding block drives the first top mould to do linear reciprocating motion in the first sliding strip through a bolt, so that demoulding and mould closing of the first top mould are realized, and the second sliding block drives the second top mould to move in the second sliding strip through the second bolt, so that demoulding and mould closing of the second top mould are realized.

The utility model discloses a further set up to: the first sliding block is provided with a first gear and a first motor for driving the first gear to rotate, and the first sliding strip is provided with a first rack meshed with the first gear.

The utility model discloses a further set up to: a second gear and a second motor which drives the second gear to rotate and has the opposite rotation direction to the first motor are arranged on the second sliding block, and a second rack which is meshed with the second gear is arranged on the sliding strip.

By adopting the technical scheme, the first motor and the first driving gear drive the first sliding block to reciprocate along the first sliding strip, so that automatic demoulding and mould closing of the first top mould can be realized; the second motor drives the second sliding block to reciprocate along the second sliding strip, and the rotation direction of the second motor is opposite to that of the first motor, so that the first top die and the second top die are demolded along opposite directions, and demolding is easier.

The utility model discloses a further set up to: the first sliding strip is provided with a first limiting block, the second sliding strip is provided with a second limiting block, the first sliding block abuts against the first limiting block, and when the second sliding block abuts against the second limiting block, the first top die, the second top die and the bottom die are assembled to form the die.

The utility model discloses a further set up to: one side of the first rotating wheel, which is far away from the second rotating wheel, is provided with a first check ring, and one side of the second rotating wheel, which is far away from the first rotating wheel, is provided with a second check ring.

By adopting the technical scheme, on one hand, the first check ring and the second check ring can limit the displacement of the die in the horizontal direction, so that the die is prevented from being separated from the driving wheel in the rotating process; on the other hand, in the demolding process, the first top mold and the second top mold can move in opposite directions to be separated from the bottom mold, and the first rotating wheel and the second rotating wheel cannot influence demolding.

The utility model discloses a further set up to: and a groove for embedding the arc-shaped sliding strip is formed in the supporting wheel.

By adopting the technical scheme, the supporting wheel can rotate along the arc-shaped sliding strip in the rotating process of the die; in the demoulding process, the arc-shaped sliding strip is embedded in the groove, and after the rotating wheel is separated from the driving wheel, the bottom mould is supported on the mould frame by the supporting wheel; the groove can limit the displacement of the mold in the horizontal direction, and the bottom mold is prevented from sliding in the demolding process.

The utility model discloses a further set up to: the die is made of stainless steel.

The utility model discloses a further set up to: the roughness Ra of the inner surface of the die is less than or equal to 0.8, and the roundness is +/-3 mm.

By adopting the technical scheme, the die is made of stainless steel materials, so that the die is not easy to deform, long in service cycle and low in cost; the roughness Ra of the inner surface of the die is less than or equal to 0.8, and the roundness +/-3 mm can meet the technical requirements of the die.

The utility model has the advantages that: the mould includes bottom mould, top mould one and second triplex of top mould, and the bottom mould passes through the supporting wheel to be placed on the support frame during the drawing of patterns, and top mould one and second top mould break away from the bottom mould along the draw runner under the drive of motor along opposite direction and realize the drawing of patterns, and degree of automation is high, and the drawing of patterns is efficient, is applicable to the mould of various sizes.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

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

Fig. 2 is a schematic view of the mold structure.

Figure 3 is a schematic diagram of the scaffold structure.

Fig. 4 shows a schematic view of the demolding device.

In the figure, 1, a mold; 11. a bottom mold; 12. a first top die; 13. a second top mold; 14. a first rotating wheel; 15. a first check ring; 16. a second rotating wheel; 17. a second check ring; 18. a first bolt; 111. an arc-shaped slide bar; 121. a first through hole; 131. a second through hole; 2. a mold frame; 21. a machine base; 22. a rotating shaft; 23. a first driving wheel; 24. a second driving wheel; 25. a support wheel; 3. a demolding device; 31. a first slide bar; 32. a second slide bar; 33. a first sliding block; 34. a second sliding block; 35. a second bolt; 36. a third bolt; 37. a first rack; 38. a second rack; 39. a first gear; 310. a second gear; 311. a first motor; 312. and a second motor.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b): a demoulding device of an oil tank rotational moulding mould is shown in figures 1 and 2, the mould 1, a mould frame 2 located below the mould and a demoulding device 3 located above the mould 1 are arranged, the mould 1 comprises a bottom mould 11, a top mould 12 and a top mould 13, a first rotating wheel 14 is arranged on the left side of the first top mould 12, a first check ring 15 is arranged on the left side of the first rotating wheel 14, a second rotating wheel 16 is arranged on the right side of the second top mould 13, a second check ring 17 is arranged on the right side of the second rotating wheel 16, and the bottom mould 11, the first top mould 12 and the second top mould 13 are connected through a first bolt 18. The outer wall of the bottom die 11 is provided with two arc-shaped sliding strips 111, the outer wall of the first top die 12 is provided with a first through hole 121, and the outer wall of the second top die 13 is provided with a second through hole 131.

As shown in fig. 3 and fig. 1, the mold frame 2 includes a base 21, a rotating shaft 22 connected to the base 21, a first driving wheel 23 fixed on the rotating shaft 22 and connected to the first rotating wheel 14, and a second driving wheel 24 connected to the second rotating wheel 16, wherein during the operation of the rotational molding mold, the first driving wheel 23 and the second driving wheel 24 rotate to drive the first rotating wheel 14 and the second rotating wheel 16 to rotate. Still be provided with supporting wheel 25 on the frame 21, supporting wheel 25 meets with arc draw runner 111 on the bottom mould 11, is provided with the recess on the supporting wheel 25, and arc draw runner 111 inlays in the recess, and when the rotational moulding mould moved, supporting wheel 25 rotated along with arc draw runner 111, and arc draw runner 111 inlays in supporting wheel 25 recess during drawing of patterns and compound die, and supporting wheel 25 fixes bottom mould 11 on frame 21, the drawing of patterns of being convenient for.

As shown in fig. 1 and 4, the demolding device 3 includes a support frame, a first slide bar 31 and a second slide bar 32 fixed on the support frame, a first slide block 33 and a second slide block 34 embedded in the first slide bar 31 and the second slide bar 32, and a second bolt 35 and a third bolt 36 connected below the first slide block 33 and the second slide block 34, wherein the second bolt 35 and the third bolt 36 are respectively inserted into the first through hole 121 and the second through hole 131; the first slide bar 31 and the second slide bar 32 are respectively fixed with a first rack 37 and a second rack 38, the first slide block 33 and the second slide block 34 are provided with a first gear 39 meshed with the first rack 37 and a second gear 310 meshed with the second rack 38, the first motor 311 drives the first gear 39 to rotate, and the second motor 312 drives the second gear 310 to rotate in the direction opposite to the first gear 39, so that automatic demolding of the first top mold 12 and the second top mold 13 is realized. A first limiting block is arranged on the first slide strip 31, a second limiting block is arranged on the second slide strip 32, and when the first slide block 33 abuts against the first limiting block and the second slide block 34 abuts against the second limiting block, the first top mold 12, the second top mold 13 and the bottom mold 11 are assembled to form the mold.

Preferably, the material of the die 1 is stainless steel, the roughness Ra of the inner surface of the die 1 is less than or equal to 0.8, and the roundness is +/-3 mm.

The working principle of the demoulding device 3 of the oil tank rotational moulding mould is as follows: when the die is closed, firstly, the first sliding block 33 drives the first top die 12 to move towards the direction of the first bottom die 11 along the first sliding strip 31 through the second bolt 35, when the first sliding block 33 is connected with the first limiting block, the first top die 12 is overlapped with the first bottom die 11, and the first top die 12 and the first bottom die 11 are fixed through the first bolt 18; and then, screwing out the first nut on the first screw rod to enable the first screw rod to be separated from the first through hole 121, driving the second top die 13 to be overlapped with the second bottom die 11 through the second bolt 34 and then fixing the second top die by the first bolt 18, screwing out the second nut on the second screw rod to enable the second screw rod to be separated from the second through hole 131, and completing die assembly.

During demolding, the mold is rotated to enable the arc-shaped sliding strip 111 on the bottom mold 11 to be embedded into the groove of the supporting wheel 25, then the first motor 311 and the second motor 312 are started, the first screw rod penetrates through the first through hole 121, the first nut is screwed, the second screw rod penetrates through the second through hole 131, the second nut is screwed, the first slider 33 and the second slider 34 are driven by the dotting machine to slide in opposite directions, the first top mold 12 and the second top mold 13 are separated from the bottom mold 11, demolding is completed, the labor amount of workers is greatly reduced, the automation degree is high, and demolding efficiency is high.

Claims

1. The utility model provides a shedder of oil tank rotational moulding mould which characterized in that: comprises a mould (1), a mould frame (2) positioned below the mould (1) and a demoulding device (3) positioned above the mould (1);

the die comprises a bottom die (11), a first top die (12) and a second top die (13), wherein a first rotating wheel (14) is arranged on one side of the first top die (12), a second rotating wheel (16) is arranged on one side, away from the second top die (13), of the second top die (13), and the bottom die (11) is connected with the first top die (12) and the second top die (13) through a first bolt (18);

the die carrier (2) comprises a base (21), a rotating shaft (22) connected to the base (21), a first driving wheel (23) fixed on the rotating shaft (22) and connected with the first rotating wheel (14), and a second driving wheel (24) connected with the second rotating wheel (16), wherein a plurality of arc-shaped sliding strips (111) are arranged on the outer wall of the bottom die (11), and a supporting wheel (25) connected with the arc-shaped sliding strips (111) is arranged on the base (21);

demoulding device (3) include the support frame, fix draw runner (31) and draw runner two (32) on the support frame, inlay in draw runner one (31) and can follow draw runner straight reciprocating motion's slider one (33), inlay in draw runner two (32) and can follow draw runner straight reciprocating motion's slider two (34), slider one (33) below is provided with bolt two (35), be provided with the confession on top mould one (12) bolt two (35) the through-hole one (121) of pegging graft, slider two (34) below is provided with bolt three (36), be provided with the confession on top mould two (13) bolt three (36) the through-hole two (131) of pegging graft.

2. The demolding device for the rotational molding mold of the oil tank as claimed in claim 1, wherein: the first sliding block (33) is provided with a first gear (39) and a first motor (311) for driving the first gear (39) to rotate, and the sliding strip is provided with a first rack (37) meshed with the first gear (39).

3. The demolding device for the rotational molding mold of the oil tank as claimed in claim 2, wherein: a second gear (310) and a second motor (312) which drives the second gear (310) to rotate and is opposite to the first motor (311) in rotation direction are arranged on the second sliding block (34), and a second rack (38) which is meshed with the second gear (310) is arranged on the sliding strip.

4. The demolding device for the rotational molding mold of the oil tank as claimed in claim 3, wherein: the die is characterized in that a first limiting block is arranged on the first slide bar (31), a second limiting block is arranged on the second slide bar (32), the first sliding block (33) abuts against the first limiting block, and when the second sliding block (34) abuts against the second limiting block, the first top die (12), the second top die (13) and the bottom die (11) are assembled to form the die.

5. The demolding device for the rotational molding mold of the oil tank as claimed in claim 1, wherein: one side, far away from the second rotating wheel (16), of the first rotating wheel (14) is provided with a first retainer ring (15), and one side, far away from the first rotating wheel (14), of the second rotating wheel (16) is provided with a second retainer ring (17).

6. The demolding device for the rotational molding mold of the oil tank as claimed in claim 1, wherein: the supporting wheel (25) is provided with a groove for embedding the arc-shaped sliding strip (111).

7. The demolding device for the rotational molding mold of the oil tank as claimed in claim 1, wherein: the die (1) is made of stainless steel.

8. The demolding device for the rotational molding mold of the oil tank as claimed in claim 7, wherein: the roughness Ra of the inner surface of the die (1) is less than or equal to 0.8, and the roundness is +/-3 mm.