CN111347657B - Clamping device with stroke shortening mechanism for mold locking oil cylinder for blow molding machine - Google Patents
Clamping device with stroke shortening mechanism for mold locking oil cylinder for blow molding machine Download PDFInfo
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- CN111347657B CN111347657B CN202010281442.3A CN202010281442A CN111347657B CN 111347657 B CN111347657 B CN 111347657B CN 202010281442 A CN202010281442 A CN 202010281442A CN 111347657 B CN111347657 B CN 111347657B
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- cylinder
- cylinder body
- inner core
- rod
- fixing
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- 238000000071 blow moulding Methods 0.000 title claims abstract description 26
- 238000004904 shortening Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 230000010354 integration Effects 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000009826 distribution Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 42
- 238000005520 cutting process Methods 0.000 description 5
- 230000002512 anti-withdrawal effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/56—Opening, closing or clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/56—Opening, closing or clamping means
- B29C2049/566—Locking means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a mold locking oil cylinder enclasping device for a blow molding machine with a stroke shortening mechanism, which comprises a cylinder body and a mold locking oil cylinder rod, wherein the outer surface of the cylinder body is provided with a cylinder cover, the inner side of the cylinder cover is penetrated and provided with a first fixing bolt, the first fixing bolt is respectively connected and fixed with the cylinder body and the cylinder cover through threads, the cylinder body is provided with a guide ejector rod, one end of the guide ejector rod is provided with a second fixing bolt, the second fixing bolt penetrates through the outer surface of the cylinder body, the other end of the guide ejector rod is sleeved with an inner core, the outer surface of the inner core is sleeved with a limiting clamping sleeve, one end of the inner core is provided with a mold locking oil cylinder rod, the other end of the inner core is sleeved with a guide plate, and the outer surface of the guide plate is sleeved with an oil cylinder piston. The invention has compact structure, reliable action, even distribution of the stress of the oil cylinders, difficult oil leakage, adopts a multi-oil cylinder mode locking structure, reduces the stroke of the mode locking oil cylinders, reduces the flow rate and the motor power of the hydraulic pump, and reduces the energy consumption.
Description
Technical Field
The invention relates to the technical field of plastic hollow blow molding industry, in particular to a clamping device of a mold locking oil cylinder for a blow molding machine with a stroke shortening mechanism.
Background
The molding mechanism is a main unit in the blow molding machine, the mold locking structure is a main structure in the molding mechanism, the mold in the molding mechanism is divided into two halves, and the mold needs to be locked by the mold locking mechanism when the mold is closed, so that the mold is prevented from being opened during blow molding;
In general, a mold locking structure of a blow molding machine mostly adopts mold locking and pressurizing of an opening and closing oil cylinder, if a blow molding product is bigger, the mold locking force required by the blow molding process is bigger, the cylinder diameter of the opening and closing oil cylinder is required to be bigger, the hydraulic flow required by the opening and closing action is bigger, the flow of a hydraulic pump and the power of a motor are correspondingly required to be bigger, and the energy consumption is increased.
For this, chinese patent application No.: 201910359780.1 discloses a mold locking device of a blow molding machine, which comprises a mold locking oil cylinder, a mold locking plug, a mold locking head and a rotary joint; the mold locking oil cylinder is fixedly connected with the movable template at one side of the blow molding machine, the mold locking oil cylinder rod faces the inner side of the movable template, and the plug flange is connected with the front end of the mold locking oil cylinder rod through a connecting structure; an anti-withdrawal clamping plate is arranged in the cavity of the die locking head, and a cross-shaped through hole matched with the shape and the size of the anti-withdrawal head is formed in the middle of the anti-withdrawal clamping plate; the rotary joint comprises a joint rotating shaft which is connected with the movable template at the other side in a rotary way, the joint rotating shaft transversely penetrates through the movable template, one end of the joint rotating shaft, which faces the inner side of the movable template, is connected with the rear end of the locking die head through a connecting structure, and one end of the joint rotating shaft, which faces the outer side of the movable template, is provided with an anti-withdrawal structure for preventing the joint rotating shaft from horizontally displacing; the joint rotating shaft can rotate around the central axis of the joint rotating shaft under the action of external force; the invention is a mechanical mode locking, has simple structure, leather is durable in manufacture, and is simple in later maintenance, the mode locking can be realized, however, the working stroke is overlarge, and the working energy consumption is increased.
Chinese patent application No.: 201811018933.8 discloses a U-shaped mold locking device of a blow molding machine, which belongs to the technical field of plastic blow molding and solves the problems of large action impact, instability and inconvenient maintenance of the existing mold locking mechanism of the blow molding machine, which is realized by adopting a pneumatic/hydraulic pushing mold locking mold, and the U-shaped mold locking device of the blow molding machine comprises a frame, a mold locking mold, a driving mechanism and a synchronizing mechanism; the scheme drives the rear mold to move through the structure provided with the swing arm and the connecting rod, and the synchronous relative movement of the front mold plate and the rear mold plate is realized through the synchronous mechanism provided with the gear rack, so that the mold locking function of the U-shaped mold locking device is further completed.
The existing mode locking device has the defects that the working stroke is too long, the working energy consumption is increased, the electric mechanical mode locking device can reduce the stroke, but the device can only be used for a small-sized blow molding machine, and the application range is small, so that the mode locking oil cylinder holding device for the blow molding machine with the stroke shortening mechanism is needed to be designed to solve the problems.
Disclosure of Invention
The invention aims to provide a clamping device of a mold locking oil cylinder for a blow molding machine with a stroke shortening mechanism, which is used for solving the problems that the working stroke is too long and the working energy consumption is increased in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a device is embraced with mode locking hydro-cylinder to blowing machine with stroke shortens mechanism, includes cylinder body and mode locking hydro-cylinder pole, the surface of cylinder body is provided with the cylinder cap, the inboard of cylinder cap runs through and is provided with first fixing bolt, first fixing bolt is connected fixedly with cylinder body and cylinder cap respectively through the screw thread, the cylinder body is provided with the direction ejector pin, the one end of direction ejector pin is provided with the second fixing bolt, and the surface of cylinder body is run through to the second fixing bolt, the other pot head of direction ejector pin is equipped with the inner core, the one end of inner core is provided with mode locking hydro-cylinder pole, and the other end of inner core has cup jointed the deflector, the cylinder piston has been cup jointed to the surface of deflector, the keyway has been seted up on the inner wall of cylinder piston, leakage fluid dram and inlet have been seted up to the surface of cylinder body, and the inlet sets up in the right side of leakage fluid dram, the inboard of inlet is inserted and is equipped with the oil guide pipe, the surface integration of oil guide pipe is connected with the fixed box, the surface cover of inner core is equipped with spacing.
Preferably, the surface of the cylinder body is far away from one side of the cylinder cover, and the number of the fixing holes is four, and the four groups of fixing holes are uniformly distributed at four corners of the cylinder body.
Preferably, the cylinder body is connected and fixed with the cylinder cover through first fixing bolts, the quantity of first fixing bolts is two sets of, and two sets of first fixing bolts are the opposition and arrange, the cylinder cover surface is embedded to have the sealing washer, and the other end of sealing washer is embedded on the surface of cylinder body.
Preferably, a guide rod is arranged on the inner side of the cylinder body, the guide rod penetrates through the outer surface of the guide plate, the outer surface of the guide rod is smooth, and the guide plate and the guide rod form a sliding structure.
Preferably, one end of the guide rod is welded and fixed with the inner wall of the cylinder body, the other end of the guide rod is fixed with a top plate through a bolt, and the top plate is sleeved on the outer surface of the inner core.
Preferably, the spacing cutting ferrule includes dead lever, locking head, fixed slot, connecting block, locking bolt and flat key, the surface of dead lever is smooth, and the surface integration of dead lever is connected with the flat key, the flat key sets up in the keyway is inboard, sliding structure is constituteed with the keyway to the flat key, the side of dead lever is fan-shaped structure, the quantity of dead lever is three, and three sets of dead levers are arranged around the inner core, the outward appearance of inner core is the tubaeform structure, the surface of inner core is smooth, the inner wall of dead lever is contradicted with the surface of inner core, sliding structure is constituteed with the dead lever to the inner core, the one end of dead lever is contradicted with the surface of roof, the other end of dead lever is provided with the locking head.
Preferably, the surface integration of locking head is connected with the connecting block, the connecting block is "T" shape structure, the fixed slot has been seted up to one side surface that the one end of dead lever is close to the locking head, the inner wall shape of fixed slot is the same with the surface shape of connecting block, the connecting block is connected with the fixed slot joint, the one end of locking head is contradicted with the inner wall of fixed slot, the surface of dead lever has locking bolt through threaded connection, and the locking head passes through locking bolt and is connected fixedly with the dead lever.
Preferably, the inner wall of the locking head is in a right-angle groove shape, and the inner wall of the locking head is clamped with the outer surface of the mold locking oil cylinder rod.
Preferably, the clamping groove is formed in the outer surface of the inner core, the clamping ring is sleeved on the inner side of the clamping groove and is abutted to the outer surface of the guide plate, the sealing sleeve is sleeved on the outer surface of the guide ejector rod, and the outer surface of the sealing sleeve is embedded in the inner wall of the inner core.
Preferably, the cover storehouse has been seted up to the inboard of leading oil pipe, the inner chamber in cover storehouse communicates with the inner chamber of fixed box, the inboard in cover storehouse is provided with the bolt, and the surface cover of bolt is equipped with the spring, the bolt is "cross" font structure, the one end of spring is contradicted with the surface of bolt, the other end of spring is contradicted with the inner wall in cover storehouse, elastic construction is constituteed to the bolt and spring, the inboard of fixed box is embedded to have armature and electromagnetic block, and the electromagnetic block sets up in the top of armature, the electromagnetic block passes through the screw and is connected fixedly with fixed box.
Compared with the prior art, the invention has the beneficial effects that: the clamping cylinder clamping device for the blow molding machine with the stroke shortening mechanism is compact in structure, reliable in action, even in cylinder stress distribution and not prone to oil leakage, adopts a multi-cylinder clamping structure, reduces the stroke of the clamping cylinders, reduces the flow rate and the motor power of a hydraulic pump, and reduces energy consumption.
The cylinder is provided with a guide ejector rod, an oil cylinder piston, a guide plate, a limiting clamping sleeve and an inner core, the guide ejector rod is fixed in a cylinder body through a second fixing bolt, the inner core is sleeved on the guide ejector rod, the inner core can slide on the guide ejector rod, the guide plate is sleeved on the inner core, the oil cylinder piston is sleeved on the guide plate, the inner core can be driven to slide on the guide ejector rod simultaneously when the oil cylinder piston slides in a cylinder body, the limiting clamping sleeve is arranged between the oil cylinder piston and the inner core, the limiting clamping sleeve can be driven to open and close in the cylinder body when the oil cylinder piston and the inner core slide, the limiting clamping sleeve can clamp and fix a mold locking oil cylinder rod, the movement of the oil cylinder piston is very short, the flow and the motor power of a hydraulic pump are reduced, and further the energy consumption is reduced.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present invention;
FIG. 2 is a schematic elevational cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic illustration of the structural contraction of the cylinder piston of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the oil conduit of FIG. 2 according to the present invention;
FIG. 5 is an enlarged schematic view of the structure A in FIG. 2 according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;
FIG. 7 is a right side cross-sectional view of the structure of the fixing rod of FIG. 6 according to the present invention;
FIG. 8 is a right side view of the guide plate of FIG. 2 according to the present invention;
FIG. 9 is a right side view of the cylinder of FIG. 1 according to the present invention;
fig. 10 is a schematic left-hand view of the construction of the cylinder piston of fig. 2 in accordance with the present invention.
In the figure: 1. a cylinder; 2. a cylinder cover; 3. a liquid outlet; 4. a guide ejector rod; 5. a guide rod; 6. a top plate; 7. an oil cylinder piston; 8. a guide plate; 9. limiting clamping sleeve; 91. a fixed rod; 92. a locking head; 93. a fixing groove; 94. a connecting block; 95. a locking bolt; 96. a flat key; 10. an inner core; 11. a clamping groove; 12. a clasp; 13. sealing sleeve; 14. a first fixing bolt; 15. a second fixing bolt; 16. a mold locking oil cylinder rod; 17. a fixing hole; 18. an oil guide pipe; 19. a fixed box; 20. sleeving a bin; 21. a plug pin; 22. a spring; 23. an armature; 24. an electromagnetic block; 25. a liquid inlet; 26. a keyway.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, an embodiment of the present invention is provided: the utility model provides a blowing machine is with mode locking hydro-cylinder enclasping device with stroke shortens mechanism, includes cylinder body 1 and mode locking hydro-cylinder pole 16, and the surface of cylinder body 1 is provided with cylinder cap 2, and fixed orifices 17 have been seted up to one side that cylinder cap 2 was kept away from to the surface of cylinder body 1, and the quantity of fixed orifices 17 is four sets of, and four sets of fixed orifices 17 are the four corners of cylinder body 1 evenly arranges, as shown in fig. 1 and 9, through evenly having seted up four sets of fixed orifices 17 on the right side surface corner of cylinder body 1, make things convenient for the bolt to pass fixed orifices 17 and fix cylinder body 1 on external device.
The inboard of cylinder cap 2 runs through and is provided with first fixing bolt 14, first fixing bolt 14 passes through the screw thread and is connected fixedly with cylinder body 1 and cylinder cap 2 respectively, cylinder body 1 is connected fixedly through first fixing bolt 14 and cylinder cap 2, the quantity of first fixing bolt 14 is two sets of, two sets of first fixing bolt 14 are the opposition and arrange, the cylinder cap 2 surface is embedded to have the sealing washer, the other end of sealing washer is embedded on the surface of cylinder body 1, as shown in fig. 2, be connected fixedly with cylinder cap 2 and cylinder body 1 through first fixing bolt 14, make cylinder cap 2 conveniently pull down from cylinder body 1 overhauls, the sealing washer is the rubber material, the sealing washer plays the effect that increases cylinder cap 2 and cylinder body 1 junction leakproofness.
The cylinder body 1 is provided with the direction ejector pin 4, and the one end of direction ejector pin 4 is provided with second fixing bolt 15, and second fixing bolt 15 runs through the surface of cylinder body 1, and the other pot head of direction ejector pin 4 is equipped with inner core 10, and the one end of inner core 10 is provided with mode locking hydro-cylinder pole 16, and the other end of inner core 10 has cup jointed deflector 8.
Preferably, draw-in groove 11 has been seted up to the surface of inner core 10, the inboard cover of draw-in groove 11 is equipped with snap ring 12, and snap ring 12 is contradicted with the surface of deflector 8, the surface cover of guide ejector pin 4 is equipped with seal cover 13, and seal cover 13's surface is embedded on the inner wall of inner core 10, be connected fixedly inner core 10 and deflector 8 through draw-in groove 11 and snap ring 12 cooperation, make inner core 10 can conveniently pull down maintenance from deflector 8, seal cover 13 is the rubber material, seal cover 13 plays the effect that improves inner core 10 and guide ejector pin 4 junction leakproofness, improve the structural reliability, reduce the condition of oil leak and appear.
The inside of cylinder body 1 is provided with guide arm 5, and guide arm 5 runs through the surface setting of deflector 8, and the surface of guide arm 5 is smooth, and the sliding structure is constituteed with guide arm 5 to deflector 8, and as shown in fig. 2 and 8, deflector 8 center department has a centre bore, and evenly distributed has six apertures all around, forms the guide structure with six guide arms respectively, makes deflector 8 can not produce to rock when the slip on guide ejector pin 4, improves activity stability.
One end of the guide rod 5 is welded and fixed with the inner wall of the cylinder body 1, the other end of the guide rod 5 is fixedly provided with a top plate 6 through a bolt, the top plate 6 is sleeved on the outer surface of the inner core 10, as shown in fig. 2, the top plate 6 is fixedly arranged on the guide rod 5, and the top plate 6 is sleeved on the inner core 10, so that the inner core 10 can stretch and retract in the top plate 6 without being influenced.
The cylinder piston 7 has been cup jointed to the surface of deflector 8, the keyway 26 has been seted up on the inner wall of cylinder piston 7, the leakage fluid dram 3 has been seted up to the surface of cylinder body 1 and inlet 25, and inlet 25 sets up in the right side of leakage fluid dram 3, the inboard of inlet 25 is inserted and is equipped with and leads oil pipe 18, the surface integration of leading oil pipe 18 is connected with fixed box 19, proximity switch preformed hole has been seted up on fixed box 19 right side, can install proximity switch and monitor the motion position of cylinder piston 7, make outside oil supply pipe solenoid valve in time obtain the feedback.
Preferably, a sleeve bin 20 is arranged on the inner side of the oil guide pipe 18, an inner cavity of the sleeve bin 20 is communicated with an inner cavity of the fixed box 19, a plug pin 21 is arranged on the inner side of the sleeve bin 20, a spring 22 is sleeved on the outer surface of the plug pin 21, the plug pin 21 is of a cross-shaped structure, one end of the spring 22 is abutted against the outer surface of the plug pin 21, the other end of the spring 22 is abutted against the inner wall of the sleeve bin 20, the plug pin 21 and the spring 22 form an elastic structure, an armature 23 and an electromagnetic block 24 are embedded in the inner side of the fixed box 19, the electromagnetic block 24 is arranged at the top end of the armature 23, the electromagnetic block 24 is fixedly connected with the fixed box 19 through a screw, as shown in fig. 2 and 4, the plug pin 21 is fixed in a liquid inlet 25, and the plug pin 21 is arranged in the oil guide pipe 18, so that the plug pin 21 can be inserted into the inner channel of the oil guide pipe 18 in a normal state, and thus the problem of loosening the held die locking cylinder rod 16 caused by oil leakage can be prevented, when oil is supplied, the electromagnetic block 24 is required to be electrified, and the electromagnetic block 24 generates magnetic force, so that the magnetic force is enabled to be attracted to the armature 23 to be far from the armature 23, and can normally flow to the inner side of the armature 23.
The surface cover of inner core 10 is equipped with spacing cutting ferrule 9, spacing cutting ferrule 9 includes dead lever 91, locking head 92, fixed slot 93, connecting block 94, locking bolt 95 and flat key 96, the surface of dead lever 91 is smooth, and the surface integration of dead lever 91 is connected with flat key 96, flat key 96 sets up in keyway 26 inboard, sliding construction is constituteed to flat key 96 and keyway 26, as shown in fig. 7 and 10, spacing is carried out keyway 26 through flat key 96, can make hydro-cylinder piston 7 when controlling the activity, spacing cutting ferrule 9 can not follow the rotation, improve the opening and closing stability of spacing cutting ferrule 9.
The side of dead lever 91 is fan-shaped structure, the quantity of dead lever 91 is three, and the three dead levers 91 of group arrange around inner core 10, the outward appearance of inner core 10 is the tubaeform structure, the outward surface of inner core 10 is smooth, the inner wall of dead lever 91 is contradicted with the outward surface of inner core 10, sliding structure is constituteed with dead lever 91 to inner core 10, the one end of dead lever 91 is contradicted with the outward surface of roof 6, the other end of dead lever 91 is provided with locking head 92, through being tubaeform design with inner core 10, as shown in fig. 2 and 7, and with the design that the inner wall shape of dead lever 91 and the appearance of inner core 10 coincide, make inner core 10 when sliding about, can promote dead lever 91 and open and shut.
Preferably, the surface integration of locking head 92 is connected with connecting block 94, connecting block 94 is "T" shape structure, fixed slot 93 has been seted up to one side surface that the one end of dead lever 91 is close to locking head 92, the inner wall shape of fixed slot 93 is the same with the surface shape of connecting block 94, connecting block 94 is connected with fixed slot 93 cartridge, the one end of locking head 92 is contradicted with the inner wall of fixed slot 93, the surface of dead lever 91 has locking bolt 95 through threaded connection, and locking head 92 is fixed with the dead lever 91 through locking bolt 95, as in fig. 6-7, through being split type design with locking head 92 and dead lever 91, make the locking head 92 conveniently take off the change from fixed slot 93, conveniently after locking head 92 wearing and tearing, need not direct whole change, practice thrift the cost.
Preferably, the inner wall of the locking head 92 is in a right-angle groove shape, and the inner wall of the locking head 92 is engaged with the outer surface of the mold locking cylinder rod 16, as shown in fig. 2, by designing the inner wall of the locking head 92 to be in a right-angle groove shape, the locking head 92 can tightly hold the mold locking cylinder rod 16 after being closed, so that the mold locking cylinder rod 16 is fixed in the cylinder cover 2.
Working principle: when the blow molding machine is used, the clamping cylinder clamping device with the stroke shortening mechanism for the blow molding machine is fixed on the front template of the external mold clamping device by penetrating an external bolt through the fixing hole 17 and connecting and fixing the external bolt with the front template of the external mold clamping device, and the cylinder for external mold clamping can be fixed on the rear template of the external mold clamping device;
The external hydraulic oil pipe is respectively connected with the liquid outlet 3 and the liquid inlet 25, and in a normal state, oil is supplied into the liquid outlet 3 through the external hydraulic oil pipe, so that the oil pressure pushes the oil cylinder piston 7 to move to the right side in the cylinder body 1, the oil cylinder piston 7 drives the inner core 10 to be far away from the limiting clamping sleeve 9, and the limiting clamping sleeve 9 can be in an open state;
When the external mold clamping device is in place, the piston rod of the mold locking cylinder is propped against the guide ejector rod 4 in the cylinder cover 2, oil is supplied to the liquid inlet 25 through the oil guide pipe 18 by the external hydraulic oil pipe, so that the oil pressure pushes the cylinder piston 7 to move to the left in the cylinder body 1, the cylinder piston 7 is propped against the limiting clamping sleeve 9 to shrink and close, and finally the mold locking cylinder rod 16 is locked, and at the moment, the mold locking cylinder can boost and lock the mold.
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 characteristics 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 (5)
1. The utility model provides a blowing machine is with mode locking hydro-cylinder enclasping device with stroke shortens mechanism, includes cylinder body (1) and mode locking hydro-cylinder pole (16), its characterized in that: the cylinder body (1) is provided with a cylinder cover (2), a first fixing bolt (14) is arranged on the inner side of the cylinder cover (2) in a penetrating way, the first fixing bolt (14) is respectively connected and fixed with the cylinder body (1) and the cylinder cover (2) through threads, the cylinder body (1) is provided with a guide ejector rod (4), one end of the guide ejector rod (4) is provided with a second fixing bolt (15), the second fixing bolt (15) penetrates through the outer surface of the cylinder body (1), an inner core (10) is sleeved at the other end of the guide ejector rod (4), one end of the inner core (10) is provided with a mold locking oil cylinder rod (16), the other end of the inner core (10) is sleeved with a guide plate (8), the outer surface of the guide plate (8) is sleeved with an oil cylinder piston (7), a key groove (26) is formed in the inner wall of the oil cylinder piston (7), a liquid outlet (3) and a liquid inlet (25) are formed in the outer surface of the cylinder body (1), the liquid inlet (25) is formed in the right side of the liquid outlet (3), an oil guide pipe (18) is inserted into the inner side of the liquid inlet (25), the outer surface of the oil guide pipe (18) is integrally connected with a fixing box (19), and a limiting clamping sleeve (9) is sleeved on the outer surface of the inner core (10); the inner side of the cylinder body (1) is provided with a guide rod (5), the guide rod (5) penetrates through the outer surface of the guide plate (8), the outer surface of the guide rod (5) is smooth, and the guide plate (8) and the guide rod (5) form a sliding structure; one end of the guide rod (5) is welded and fixed with the inner wall of the cylinder body (1), the other end of the guide rod (5) is fixed with a top plate (6) through a bolt, and the top plate (6) is sleeved on the outer surface of the inner core (10); the limiting clamping sleeve (9) comprises a fixing rod (91), a locking head (92), a fixing groove (93), a connecting block (94), a locking bolt (95) and a flat key (96), wherein the outer surface of the fixing rod (91) is smooth, the flat key (96) is integrally connected with the outer surface of the fixing rod (91), the flat key (96) is arranged on the inner side of a key groove (26), the flat key (96) and the key groove (26) form a sliding structure, the side surface of the fixing rod (91) is in a fan-shaped structure, the number of the fixing rods (91) is three, the three fixing rods (91) are distributed around an inner core (10), the outer surface of the inner core (10) is in a horn-shaped structure, the outer surface of the inner core (10) is smooth, the inner wall of the fixing rod (91) is in contact with the outer surface of the inner core (10), the inner core (10) and the fixing rod (91) form a sliding structure, one end of the fixing rod (91) is in contact with the outer surface of the top plate (6), and the other end of the fixing rod (91) is provided with a locking head (92); the outer surface integration of locking head (92) is connected with connecting block (94), connecting block (94) are "T" shape structure, fixed slot (93) has been seted up to one side surface that is close to locking head (92) of one end of dead lever (91), the inner wall shape of fixed slot (93) is the same with the surface shape of connecting block (94), connecting block (94) are connected with fixed slot (93) cartridge, the one end of locking head (92) is contradicted with the inner wall of fixed slot (93), the surface of dead lever (91) has locking bolt (95) through threaded connection, and locking head (92) are connected fixedly with dead lever (91) through locking bolt (95); the inner side of the oil guide pipe (18) is provided with a sleeve bin (20), the inner cavity of the sleeve bin (20) is communicated with the inner cavity of the fixed box (19), the inner side of the sleeve bin (20) is provided with a plug pin (21), the outer surface of the plug pin (21) is sleeved with a spring (22), the plug pin (21) is of a cross-shaped structure, one end of the spring (22) is abutted against the outer surface of the plug pin (21), the other end of the spring (22) is abutted against the inner wall of the sleeve bin (20), the plug pin (21) and the spring (22) form an elastic structure, the inner side of the fixed box (19) is embedded with an armature (23) and an electromagnetic block (24), and electromagnetic block (24) set up in the top of armature (23), electromagnetic block (24) are fixed through screw and fixed box (19) connection.
2. The mold locking cylinder holding device for a blow molding machine with a stroke shortening mechanism according to claim 1, wherein: the cylinder body (1) is characterized in that fixing holes (17) are formed in one side, far away from the cylinder cover (2), of the outer surface of the cylinder body (1), the number of the fixing holes (17) is four, and the four groups of the fixing holes (17) are uniformly distributed in four corners of the cylinder body (1).
3. The mold locking cylinder holding device for a blow molding machine with a stroke shortening mechanism according to claim 1, wherein: the cylinder body (1) is fixedly connected with the cylinder cover (2) through first fixing bolts (14), the number of the first fixing bolts (14) is two, the two groups of first fixing bolts (14) are oppositely arranged, a sealing ring is embedded in the outer surface of the cylinder cover (2), and the other end of the sealing ring is embedded in the outer surface of the cylinder body (1).
4. The mold locking cylinder holding device for a blow molding machine with a stroke shortening mechanism according to claim 1, wherein: the inner wall of the locking head (92) is in a right-angle groove shape, and the inner wall shape of the locking head (92) is clamped with the outer surface of the mold locking cylinder rod (16).
5. The mold locking cylinder holding device for a blow molding machine with a stroke shortening mechanism according to claim 1, wherein: clamping grooves (11) are formed in the outer surface of the inner core (10), clamping rings (12) are sleeved on the inner sides of the clamping grooves (11), the clamping rings (12) are abutted to the outer surface of the guide plate (8), sealing sleeves (13) are sleeved on the outer surface of the guide ejector rod (4), and the outer surfaces of the sealing sleeves (13) are embedded in the inner wall of the inner core (10).
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| GB983440A (en) * | 1963-02-07 | 1965-02-17 | Harold Verity Smith | Improvements in blow-moulding machines |
| CN1039753A (en) * | 1989-08-11 | 1990-02-21 | 顺德县塑料通用机械企业集团公司 | Dual dynamic model injection make-up machine |
| CN2705301Y (en) * | 2004-06-03 | 2005-06-22 | 王新 | Mould closing locking mechanism for plastic hollow forming machine |
| CN110001032B (en) * | 2019-04-30 | 2024-04-09 | 山东通佳智能装备有限公司 | Mould locking device of blow molding machine |
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