CN111688140A - Novel speed reducing mechanism of injection part for injection blow molding machine - Google Patents

Abstract

The invention discloses a novel speed reducing mechanism of an injection part for an injection blow molding machine, which comprises a base, a plasticizing machine barrel, a servo motor and a power source injection oil cylinder, and is characterized in that: the upper surface of base has the slide rail through the bolt fastening, the upper surface cover of slide rail is equipped with first slide and second slide, and the second slide sets up in the left side of first slide, the upper surface of second slide passes through bolt fastening has a barrel fixing base, the inside of barrel fixing base is run through and is provided with the plastify barrel, and the inside rotation of plastify barrel is connected with the plastify screw rod, the right side of plastify screw rod is provided with the reduction case, the output of reduction case is passed through the shaft coupling and is connected fixedly with the plastify screw rod. The invention can save a standard speed reducer between the screw and the servo motor, directly connect the transmission shaft of the speed reducing mechanism with the screw, reduce intermediate transition links and reduce the probability of failure.

Description

Novel speed reducing mechanism of injection part for injection blow molding machine

Technical Field

The invention relates to the technical field of injection blow molding machines, in particular to a novel speed reducing mechanism of an injection part for an injection blow molding machine.

Background

An injection molding machine is a main molding apparatus for molding thermoplastic plastics or thermosetting plastics into various shapes of plastic products using a plastic molding die, and a blow molding machine is substantially the same in structure as the injection molding machine except for a difference in molding manner, but both the injection molding machine and the blow molding machine have injection parts.

The injection part is a main component on the injection blow molding machine and is mainly used for pressurizing and heating materials to inject the materials into the mold, the injection part mainly comprises a plasticizing machine barrel, a plasticizing screw, a speed reducing mechanism and a servo motor, the plasticizing screw needs to rotate during working, the rotating speed only needs 10-250r/min, and the rotating speed of the servo motor reaches 2000r/min, so the speed reduction is needed through the speed reducing mechanism.

Because the plastify screw rod need be rotatory and need be straight reciprocating motion, adopt standard speed reducer and screw connection among the prior art, the effect of slowing down has been played, however the screw rod can't be straight reciprocating motion, need increase transition mechanism between screw rod and reduction gears, just can make the screw rod can enough rotate simultaneously again reciprocating motion, however this kind of structure is under frequent switching, wearing and tearing extremely easily, influence life, and the fault rate is high, consequently need to design a novel reduction gears of injection part for injection blow molding machine to solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to provide a novel speed reducing mechanism of an injection part for an injection blow molding machine, which aims to solve the problems that the speed reduction and the reciprocating linear motion cannot be conveniently carried out, a transition mechanism is required to be added, the service life is influenced, and the failure rate is high in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel speed reduction mechanism of injection unit for injection molding machine, includes base, plastify barrel, servo motor and power supply injection cylinder, its characterized in that: the upper surface of the base is fixed with a slide rail through bolts, the upper surface of the slide rail is sleeved with a first slide seat and a second slide seat, the second slide seat is arranged on the left side of the first slide seat, the upper surface of the second slide seat is fixed with a machine barrel fixing seat through bolts, a plasticizing machine barrel is arranged in the machine barrel fixing seat in a penetrating mode, a plasticizing screw rod is connected to the plasticizing machine barrel in a rotating mode, a speed reducer box is arranged on the right side of the plasticizing screw rod, the output end of the speed reducer box is fixedly connected with the plasticizing screw rod through a coupler, the input end of the speed reducer box is fixedly connected with the output end of a servo motor through a coupler, a fixing sleeve is integrally connected to the upper surface of the speed reducer box, the output end of the power source injection oil cylinder penetrates through the inner side of the fixing sleeve, a limiting sleeve, the surface of power supply injection hydro-cylinder has into oil pipe and goes out oil pipe through the screw fixation, the both sides surface of speed reducer case all the integration is connected with the connecting seat, the lower surface of connecting seat passes through the bolt and is fixed with the upper surface connection of first slide, the surface of connecting seat is provided with automatic fuel feeding tank, automatic fuel feeding tank's inboard is provided with the transition oil pocket, the inboard of transition oil pocket is provided with fixed network and sponge cover, and the fixed network wraps up on the surface of sponge cover, the sponge cover is overlapped and is located on the surface of slide rail, the inboard of automatic fuel feeding tank has been close to one side of transition oil pocket and has been seted up the oil bin, the bottom of oil bin is connected with leads oil.

Preferably, the reduction gear box forms sliding structure through first slide and slide rail, the surface cover of plastify screw rod is equipped with the bearing housing, and the plastify screw rod passes through the bearing and is connected with the bearing housing rotation, the lower surface of bearing housing passes through the screw and is fixed with the upper surface connection of first slide.

Preferably, the quantity of power supply injection hydro-cylinder is two sets of, advance oil pipe and go out oil pipe and all communicate with the inner chamber of two sets of power supply injection hydro-cylinders respectively through the pipe, and is two sets of power supply injection hydro-cylinder's output all is connected fixedly through spacing lantern ring and fixed sleeve, the stationary blade passes through bolt and fixed sleeve's surface connection and fixes.

Preferably, the upper surface of the automatic oil supplementing tank is internally embedded with a fixing plug, the bottom end of the fixing plug is arranged on the inner side of the oil bin, and the inner cavity of the oil bin is communicated with the inner cavity of the transition oil cavity through an oil guide pipe.

Preferably, the upper surface of the automatic oil supplementing tank is provided with a groove, a pressing plate and a first spring are arranged on the inner side of the groove, the outer surfaces of the two sides of the pressing plate are connected with the inner wall of the groove through a rotating shaft in a rotating mode, one end of the first spring is embedded into the inner wall of the groove, the other end of the first spring is fixedly connected with the lower surface of the pressing plate through a screw, and the pressing plate and the first spring form an elastic structure.

Preferably, the inboard of automatic oil supplementing tank has been close to the below in oil storehouse and has been seted up a cover storehouse, the right side in cover storehouse pierces through the surface of automatic oil supplementing tank, the cover storehouse is "L" shape structure, the inboard in cover storehouse is provided with the carousel, the upper and lower both ends of carousel all are connected through the inner wall rotation of pivot with the cover storehouse, and the surface of carousel contradicts with the surface of slide rail.

Preferably, the outer surface of the fixing net is a hollowed-out net structure, the shape of the inner wall of the sponge sleeve is matched with the shape of the outer surface of the sliding rail, and the sponge sleeve and the sliding rail form a sliding structure.

Preferably, one side that first spring was kept away from to the one end of clamp plate is provided with spacing stake, the inner wall of recess is run through to the bottom of spacing stake, and the top of spacing stake is contradicted with the lower surface of clamp plate, the bottom of spacing stake is half spherical structure, the bottom of spacing stake is provided with spacing hole, and just spacing hole is seted up on the surface of connecting seat, the inner wall shape in spacing hole is identical with the bottom shape of spacing stake.

Preferably, the inboard in cover storehouse is provided with the oil shutoff stick, the oil shutoff stick is "ten" font structure, the surface cover of oil shutoff stick is equipped with the second spring, and the surface of oil shutoff stick has cup jointed the sealing washer near the top of second spring, and the surface of oil shutoff stick closely laminates with the inner wall of sealing washer, the upper surface of sealing washer closely laminates with the lower surface of leading oil pipe, the top of oil shutoff stick runs through the surface of leading oil pipe, the diameter of oil shutoff stick is greater than leads oil pipe's inside diameter.

Preferably, the arc wall has been seted up to the upper surface of carousel for the annular, and the interval between per two sets of arc walls is the twice of stifled oily stick bottom diameter, the inner wall of arc wall is the arc structure, the bottom of stifled oily stick is contradicted with the upper surface of carousel.

Compared with the prior art, the invention has the beneficial effects that: this injection blow molding machine is with novel reduction gears of injection part can make and save standard speed reducer between screw rod and the servo motor, makes reduction gears's transmission shaft directly be connected with the screw rod, reduces middle transition link, reduces the probability that the trouble takes place.

The automatic oil supplementing device is provided with a slide rail, a first slide seat, a fixed sleeve, a limiting sleeve ring, a fixed sheet, a connecting seat, an automatic oil supplementing box, an oil bin, a transition oil cavity, a fixed net and a sponge sleeve, wherein the connecting seat is fixed on two sides of a machine barrel fixing seat, the connecting seat is connected with the first slide seat, so that a speed reducer box can slide on the slide rail through the first slide seat, a servo motor is directly arranged on the speed reducer box by connecting an output end of the speed reducer box with a plasticizing screw rod, the fixed sleeve is fixed on two sides of the top end of the speed reducer box, the output end of a power source injection oil cylinder is connected with the fixed sleeve and is matched and fixed with the fixed sheet through the limiting sleeve ring, so that the power source injection oil cylinder can drive the speed reducer box to do reciprocating linear motion, the speed reducer box can drive the plasticizing screw rod to decelerate, the reciprocating linear motion, the transmission shaft of the speed reducer case is directly connected with the plasticizing screw, so that intermediate transition links are reduced, and the probability of failure occurrence is reduced.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic top view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional side view of the structure at A-A in FIG. 1 according to the present invention;

FIG. 4 is a schematic cross-sectional side view of the structure at B-B in FIG. 1 according to the present invention;

FIG. 5 is a schematic cross-sectional side view of the structure at C-C of FIG. 1 in accordance with the present invention;

FIG. 6 is a schematic, partially elevational, cross-sectional view of the automatic refueling tank of FIG. 1 in accordance with the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 5;

FIG. 8 is a schematic view of the lowered configuration of the oil dam bar of FIG. 7 in accordance with the present invention;

FIG. 9 is a schematic top view of the structure of the oil conduit of FIG. 4 according to the present invention.

In the figure: 1. a base; 2. a slide rail; 3. a plasticizing cylinder; 4. a machine barrel fixing seat; 5. plasticizing screw; 6. a reduction case; 7. a servo motor; 8. a power source injection oil cylinder; 9. a first slider; 10. a second slide carriage; 11. a bearing housing; 12. an oil inlet pipe; 13. an oil outlet pipe; 14. fixing the sleeve; 15. a limiting lantern ring; 16. a fixing sheet; 17. a connecting seat; 18. automatic oil tank supplement; 19. an oil bin; 20. a transition oil cavity; 21. fixing the net; 22. a sponge sleeve; 23. a fixed plug; 24. pressing a plate; 25. a groove; 26. a first spring; 27. limiting piles; 28. a limiting hole; 29. an oil guide pipe; 30. sleeving a bin; 31. an oil blocking rod; 32. an arc-shaped slot; 33. a turntable; 34. a second spring; 35. and (5) sealing rings.

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.

Referring to fig. 1-9, an embodiment of the present invention is shown: the utility model provides a novel speed reduction mechanism of injection part for injection-blow molding machine, the on-line screen storage device comprises a base 1, plastify barrel 3, servo motor 7 and power supply injection cylinder 8, base 1's upper surface has slide rail 2 through the bolt fastening, the upper surface cover of slide rail 2 is equipped with first slide 9 and second slide 10, and second slide 10 sets up in the left side of first slide 9, the upper surface of second slide 10 has barrel fixing base 4 through the bolt fastening, the inside of barrel fixing base 4 is run through and is provided with plastify barrel 3, and the inside of plastify barrel 3 rotates and is connected with plastify screw rod 5, the right side of plastify screw rod 5 is provided with gear box 6, gear box 6's output passes through the shaft coupling and is connected fixedly with plastify.

Preferably, the reduction gear box 6 forms a sliding structure with the sliding rail 2 through the first sliding seat 9, the outer surface of the plasticizing screw 5 is sleeved with the bearing sleeve 11, the plasticizing screw 5 is rotatably connected with the bearing sleeve 11 through a bearing, the lower surface of the bearing sleeve 11 is fixedly connected with the upper surface of the first sliding seat 9 through a screw, and the plasticizing screw 5 is rotatably connected with the bearing sleeve 11, so that the plasticizing screw 5 rotates more smoothly in the reduction gear box 6, as shown in fig. 3.

The input of reduction case 6 is connected fixedly through the output of shaft coupling and servo motor 7, and the upper surface integration of reduction case 6 is connected with fixed sleeve 14, and power source injection cylinder 8's output pierces through the inboard of fixed sleeve 14, and power source injection cylinder 8's output has cup jointed spacing lantern ring 15, and one side of spacing lantern ring 15 is provided with stationary blade 16, and power source injection cylinder 8's surface has into oil pipe 12 and play oil pipe 13 through the screw fixation.

Preferably, the number of the power injection cylinders 8 is two, the oil inlet pipe 12 and the oil outlet pipe 13 are respectively communicated with the inner cavities of the two power injection cylinders 8 through guide pipes, the output ends of the two power injection cylinders 8 are connected and fixed with the fixing sleeve 14 through the limiting lantern ring 15, the fixing piece 16 is connected and fixed with the outer surface of the fixing sleeve 14 through bolts, as shown in fig. 2, the two power injection cylinders 8 are arranged on the two sides of the speed reducer case 6, so that the two power injection cylinders can simultaneously apply force to the two sides of the speed reducer case 6, the speed reducer case 6 is more stable when sliding, the oil inlet pipe 12 and the oil outlet pipe 13 are respectively communicated with the inner cavities of the two power injection cylinders 8 through guide pipes, and the oil supply of the oil inlet pipe 12 and the oil outlet pipe 13 can simultaneously control the piston rods in the two power.

The outer surfaces of two sides of the speed reducer case 6 are integrally connected with a connecting seat 17, the lower surface of the connecting seat 17 is fixedly connected with the upper surface of the first slide seat 9 through bolts, the outer surface of the connecting seat 17 is provided with an automatic oil supply tank 18, the inner side of the automatic oil supply tank 18 is provided with a transition oil cavity 20, the inner side of the transition oil cavity 20 is provided with a fixing net 21 and a sponge sleeve 22, the fixing net 21 is wrapped on the outer surface of the sponge sleeve 22, the sponge sleeve 22 is sleeved on the outer surface of the slide rail 2, one side of the inner side of the automatic oil supply tank 18, which is close to the transition oil cavity 20, is provided with an oil bin 19, the bottom end of the oil bin 19 is connected with an oil guide pipe 29, a fixing plug 23 is embedded in the upper surface of the automatic oil supply tank 18, the bottom end of the fixing plug 23 is arranged on the inner side of the oil bin 19, the inner cavity of the oil bin 19, the sponge sleeve 22 and the slide rail 2 form a sliding structure, as shown in fig. 4, the oil bin 19 is communicated with the transitional oil cavity 20 through the oil guide pipe 29, so that the lubricating oil in the oil bin 19 can flow into the transitional oil cavity 20 through the oil guide pipe 29, the lubricating oil can permeate into the sponge sleeve 22 through meshes on the fixed net 21, and the outer surface of the slide rail 2 can be lubricated when the sponge sleeve 22 slides on the slide rail 2.

Preferably, the upper surface of the automatic oil replenishing tank 18 is provided with a groove 25, the inner side of the groove 25 is provided with a pressing plate 24 and a first spring 26, the outer surfaces of the two sides of the pressing plate 24 are connected with the inner wall of the groove 25 through a rotating shaft in a rotating manner, one end of the first spring 26 is embedded in the inner wall of the groove 25, the other end of the first spring 26 is connected and fixed with the lower surface of the pressing plate 24 through a screw, the pressing plate 24 and the first spring 26 form an elastic structure, one side of one end of the pressing plate 24, which is far away from the first spring 26, is provided with a limiting pile 27, the bottom end of the limiting pile 27 penetrates through the inner wall of the groove 25, the top end of the limiting pile 27 is abutted against the lower surface of the pressing plate 24, the bottom end of the limiting pile 27 is of a hemispherical structure, the bottom end of the limiting pile 27 is provided with a limiting hole 28, the limiting, first spring 26 plays the effect of providing elasticity for clamp plate 24, make clamp plate 24 when no external force is exerted, can remain the state as shown in fig. 6 all the time, push up spacing stake 27 through clamp plate 24, make spacing stake 27 can with spacing hole 28 block, make automatic oil supply tank 18 can be connected fixedly with connecting seat 17, through pressing clamp plate 24 one end, make clamp plate 24 use the pivot of connecting clamp plate 24 to rotate as the centre of a circle, can make the other end upwarp of clamp plate 24 keep away from spacing stake 27, can remove the spacing of spacing stake 27, make automatic oil supply tank 18 can pull down from connecting seat 17 hard.

Preferably, a sleeve bin 30 is arranged on the inner side of the automatic oil supply tank 18 close to the lower part of the oil bin 19, the right side of the sleeve bin 30 penetrates through the outer surface of the automatic oil supply tank 18, the sleeve bin 30 is of an L-shaped structure, a rotary disc 33 is arranged on the inner side of the sleeve bin 30, the upper end and the lower end of the rotary disc 33 are rotatably connected with the inner wall of the sleeve bin 30 through rotary shafts, the outer surface of the rotary disc 33 is abutted against the outer surface of the slide rail 2, an oil blocking rod 31 is arranged on the inner side of the sleeve bin 30, the oil blocking rod 31 is of a cross-shaped structure, a second spring 34 is sleeved on the outer surface of the oil blocking rod 31, the second spring 34 plays a role of providing elasticity for the oil blocking rod 31, as shown in fig. 7-8, the second spring 34 is in a contraction state in fig. 7, the second spring 34 is in an expansion state in fig. 8, a sealing ring 35 is sleeved on the outer surface of the oil blocking rod 31, the upper surface of the sealing ring 35 is tightly attached to the lower surface of the oil guide pipe 29, the top end of the oil blocking rod 31 penetrates through the outer surface of the oil guide pipe 29, the diameter of the oil blocking rod 31 is larger than the inner diameter of the oil guide pipe 29, the upper surface of the rotary table 33 is annularly provided with arc-shaped grooves 32, the interval between every two groups of arc-shaped grooves 32 is twice of the diameter of the bottom end of the oil blocking rod 31, the inner wall of the arc-shaped grooves 32 is of an arc-shaped structure, the bottom end of the oil blocking rod 31 is abutted against the upper surface of the rotary table 33, as shown in figure 7, the automatic oil supplementing tank 18 slides on the slide rail 2 through the abutment of the rotary table 33 and the slide rail 2, the rotary table 33 can rotate in the sleeve bin 30, when the rotary table 33 drives the arc-shaped grooves 32 to rotate to the bottom end of the oil blocking rod 31, the second spring 34 releases elastic force to the oil blocking rod 31, the oil blocking rod 31 is pushed to retract downwards into the arc-, when the arc-shaped groove 32 is far away from the bottom end of the oil plugging rod 31, the oil plugging rod 31 can be continuously pushed into the oil bin 19, so that reciprocating motion can be realized, the intermittent oil supplement of the transition oil cavity 20 can be realized, the lubricating oil resource is saved, the sealing ring 35 is made of rubber materials, the sealing performance of the joint of the oil plugging rod 31 and the oil guide pipe 29 is improved by the sealing ring 35, and the lubricating oil is prevented from entering the sleeve bin 30 through the joint of the oil plugging rod 31 and the oil guide pipe 29.

The working principle is as follows: firstly, a plasticizing screw 5 penetrates through a bearing sleeve 11 and then is fixedly connected with an output shaft of a speed reducer case 6 through a coupler, a connecting seat 17 on the speed reducer case 6 is fixedly connected with a first sliding seat 9 through a bolt, the speed reducer case 6 can slide on a sliding rail 2 through an automatic oil supplementing box 18, an output end of a power source injection oil cylinder 8 penetrates through a fixing sleeve 14, a limiting sleeve ring 15 is sleeved on the output end of the power source injection oil cylinder 8, a fixing piece 16 is fixedly connected with the fixing sleeve 14 through a bolt, and therefore the output end of the power source injection oil cylinder 8 can be fixedly connected with the fixing sleeve 14, and the power source injection oil cylinder 8 can drive the speed reducer case 6 to do reciprocating linear motion.

The input shaft in the speed reducer case 6 is driven to rotate by the servo motor 7, the input shaft in the speed reducer case 6 is decelerated by the planetary gear, the plasticizing screw 5 is driven to rotate by the output shaft in the speed reducer case 6, meanwhile, the oil is fed through the oil inlet pipe 12, the piston rod in the power source injection oil cylinder 8 can extend out of the power source injection oil cylinder 8, the speed reducer case 6 can move rightwards, the oil is injected into the power source injection oil cylinder 8 through the oil outlet pipe 13, the piston rod in the power source injection oil cylinder 8 can be contracted, the speed reducer case 6 can move leftwards, and the speed reducer case 6 drives the plasticizing screw 5 to rotate and simultaneously carries out reciprocating linear motion.

The sponge sleeve 22 is inserted along the slide rail 2, the automatic oil supplementing box 18 is sleeved on the connecting seat 17, the limiting pile 27 is clamped with the limiting hole 28, the automatic oil supplementing box 18 and the connecting seat 17 can be connected and fixed, lubricating oil can be injected into the oil bin 19 by opening the fixing plug 23, the lubricating oil in the oil bin 19 can flow into the transition oil cavity 20 through the oil guide pipe 29, when the speed reducer case 6 slides on the slide rail 2, the automatic oil supplementing box 18 can be driven to slide on the slide rail 2, the rotary disc 33 can rotate in the sleeve bin 30, when the rotary disc 33 drives the arc-shaped groove 32 to rotate to the bottom end of the oil blocking rod 31, the second spring 34 can release elasticity for the oil blocking rod 31, the oil blocking rod 31 retracts downwards into the arc-shaped groove 32, the internal channel of the oil guide pipe 29 is opened, the oil in the oil bin 19 can flow into the transition oil cavity 20 through the oil guide pipe 29, when the arc-shaped groove 32 is far away from the, the oil blocking rod 31 can be continuously pushed into the oil bin 19, and the reciprocating operation can intermittently supplement oil for the transition oil cavity 20, so that the lubricating oil resource is saved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides a novel speed reduction mechanism of injection unit for injection-blow molding machine, includes base (1), plastify barrel (3), servo motor (7) and power supply injection cylinder (8), its characterized in that: the upper surface of the base (1) is fixedly provided with a sliding rail (2) through bolts, the upper surface of the sliding rail (2) is sleeved with a first sliding seat (9) and a second sliding seat (10), the second sliding seat (10) is arranged on the left side of the first sliding seat (9), the upper surface of the second sliding seat (10) is fixedly provided with a machine barrel fixing seat (4) through bolts, a plasticizing machine barrel (3) penetrates through the interior of the machine barrel fixing seat (4), the interior of the plasticizing machine barrel (3) is rotatably connected with a plasticizing screw (5), the right side of the plasticizing screw (5) is provided with a speed reducer box (6), the output end of the speed reducer box (6) is fixedly connected with the screw plasticizing machine (5) through a coupler, the input end of the speed reducer box (6) is fixedly connected with the output end of a servo motor (7) through a coupler, and the upper surface of the speed reducer box (6) is integrally, the output end of the power source injection oil cylinder (8) penetrates through the inner side of the fixing sleeve (14), the output end of the power source injection oil cylinder (8) is sleeved with a limiting sleeve ring (15), one side of the limiting sleeve ring (15) is provided with a fixing piece (16), the outer surface of the power source injection oil cylinder (8) is fixedly provided with an oil inlet pipe (12) and an oil outlet pipe (13) through screws, the outer surfaces of the two sides of the speed reducer case (6) are integrally connected with a connecting seat (17), the lower surface of the connecting seat (17) is fixedly connected with the upper surface of the first sliding seat (9) through bolts, the outer surface of the connecting seat (17) is provided with an automatic oil supplementing box (18), the inner side of the automatic oil supplementing box (18) is provided with a transition oil cavity (20), the inner side of the transition oil cavity (20) is provided with a fixing net (21) and a sponge sleeve (22), and, the outer surface of the sliding rail (2) is sleeved with the sponge sleeve (22), an oil bin (19) is arranged on one side, close to the transition oil cavity (20), of the inner side of the automatic oil supplementing tank (18), and the bottom end of the oil bin (19) is connected with an oil guide pipe (29).

2. The novel speed reducing mechanism of an injection part for an injection blow molding machine according to claim 1, characterized in that: reduction gear case (6) constitute sliding structure through first slide (9) and slide rail (2), the surface cover of plastify screw rod (5) is equipped with bearing housing (11), and plastify screw rod (5) rotate with bearing housing (11) through the bearing and be connected, the lower surface of bearing housing (11) passes through the upper surface connection of screw and first slide (9) and fixes.

3. The novel speed reducing mechanism of an injection part for an injection blow molding machine according to claim 1, characterized in that: the quantity of power supply injection hydro-cylinder (8) is two sets of, advance oil pipe (12) and go out oil pipe (13) and all communicate with the inner chamber of two sets of power supply injection hydro-cylinder (8) respectively through the pipe, and is two sets of the output of power supply injection hydro-cylinder (8) all is connected fixedly through spacing lantern ring (15) and fixed sleeve (14), stationary blade (16) are connected fixedly through the surface of bolt with fixed sleeve (14).

4. The novel speed reducing mechanism of an injection part for an injection blow molding machine according to claim 1, characterized in that: the upper surface of the automatic oil supplementing tank (18) is internally embedded with a fixing plug (23), the bottom end of the fixing plug (23) is arranged on the inner side of the oil bin (19), and the inner cavity of the oil bin (19) is communicated with the inner cavity of the transition oil cavity (20) through an oil guide pipe (29).

5. The novel speed reducing mechanism of an injection part for an injection blow molding machine according to claim 1, characterized in that: the upper surface of automatic oil supply tank (18) is seted up flutedly (25), the inboard of recess (25) is provided with clamp plate (24) and first spring (26), the inner wall that the both sides surface switch-on of clamp plate (24) passed through pivot and recess (25) rotates and is connected, the one end of first spring (26) is embedded in the inner wall of recess (25), the other end of first spring (26) passes through the screw and is connected fixedly with the lower surface of clamp plate (24), elastic construction is constituteed with first spring (26) in clamp plate (24).

6. The novel speed reducing mechanism of an injection part for an injection blow molding machine according to claim 1, characterized in that: the inboard of automatic oil supplementing tank (18) is close to the below in oil storehouse (19) and has seted up cover storehouse (30), the right side of cover storehouse (30) pierces through the surface of automatic oil supplementing tank (18), cover storehouse (30) are "L" shape structure, the inboard of cover storehouse (30) is provided with carousel (33), the upper and lower both ends of carousel (33) are all rotated through the inner wall of pivot with cover storehouse (30) and are connected, and the surface of carousel (33) is contradicted with the surface of slide rail (2).

7. The novel speed reducing mechanism of an injection part for an injection blow molding machine according to claim 1, characterized in that: the outer surface of the fixing net (21) is of a hollowed-out net structure, the shape of the inner wall of the sponge sleeve (22) is matched with the shape of the outer surface of the sliding rail (2), and the sponge sleeve (22) and the sliding rail (2) form a sliding structure.

8. The novel speed reducing mechanism of an injection part for an injection blow molding machine according to claim 5, characterized in that: one side that first spring (26) was kept away from to the one end of clamp plate (24) is provided with spacing stake (27), the inner wall of recess (25) is run through to the bottom of spacing stake (27), and the top of spacing stake (27) is contradicted with the lower surface of clamp plate (24), the bottom of spacing stake (27) is hemispherical structure, the bottom of spacing stake (27) is provided with spacing hole (28), and just spacing hole (28) are seted up on the surface of connecting seat (17), the inner wall shape of spacing hole (28) is identical with the bottom shape of spacing stake (27).

9. The novel speed reducing mechanism of an injection part for an injection blow molding machine according to claim 6, characterized in that: the inboard of cover storehouse (30) is provided with oil shutoff stick (31), oil shutoff stick (31) are "ten" font structure, the surface cover of oil shutoff stick (31) is equipped with second spring (34), and the surface of oil shutoff stick (31) has cup jointed sealing washer (35) near the top of second spring (34), and the surface of oil shutoff stick (31) closely laminates with the inner wall of sealing washer (35), the upper surface of sealing washer (35) closely laminates with the lower surface of leading oil pipe (29), the surface of leading oil pipe (29) is run through on the top of oil shutoff stick (31), the diameter of oil shutoff stick (31) is greater than the inside diameter of leading oil pipe (29).

10. The novel speed reducing mechanism of an injection part for an injection blow molding machine according to claim 9, characterized in that: arc wall (32) have been seted up to the upper surface of carousel (33) for the annular, the inner wall of arc wall (32) is the arc structure, the bottom of oil shutoff stick (31) is contradicted with the upper surface of carousel (33).

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