CN109927271B - Mould frame opening and closing mechanism of bottle blowing machine - Google Patents
Mould frame opening and closing mechanism of bottle blowing machine Download PDFInfo
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- CN109927271B CN109927271B CN201910207288.2A CN201910207288A CN109927271B CN 109927271 B CN109927271 B CN 109927271B CN 201910207288 A CN201910207288 A CN 201910207288A CN 109927271 B CN109927271 B CN 109927271B
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- locking mechanism
- bottle blowing
- die carrier
- movable claw
- claw
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a bottle blowing machine die frame opening and closing mechanism which comprises a first elastic piece, an elastic locking mechanism and a control block, wherein the first elastic piece is arranged on a second die frame and used for driving a movable claw to rotate away from a bottle blowing cavity, the elastic locking mechanism is arranged on the second die frame and used for preventing the movable claw from rotating away from the bottle blowing cavity when the movable claw pops up, and the control block is arranged on a fixed claw and used for abutting the elastic locking mechanism to enable the elastic locking mechanism to shrink and be away from the movable claw; when the first die carrier and the second die carrier rotate to be matched with each other, the control block presses the elastic locking mechanism, and the movable claw rotates to be far away from the bottle blowing cavity and is hooked and locked with the fixed claw; when the first die carrier and the second die carrier rotate to open the die, the control block is far away from the elastic locking mechanism, and the movable claw rotates to be close to the bottle blowing cavity and is separated from the fixed claw. The invention discloses a die set unlocking and locking mechanism of a bottle blowing machine, which can overcome the defects of larger holding force, bottle explosion risk and the like required by buckling two claws in the existing claw type unlocking and locking structure, and can realize the mutual locking of two die sets without driving a guide rail.
Description
Technical Field
The invention relates to the technical field of bottle blowing, in particular to a die carrier opening and closing mechanism of a bottle blowing machine.
Background
For the rotary bottle blowing machine with two side die frames rotating in the die opening and closing processes, the prior opening and closing technical schemes of the two side die frames are as follows:
latch type opening and closing lock: in the technical scheme, a bolt capable of moving up and down is arranged on one side die frame, and a bolt hole matched with the bolt is arranged on the other side die frame. In the process of die assembly and bottle blowing, a bolt on one side die frame is inserted into a bolt hole on the other side die frame to prevent the two side die frames from rotating (locking) relatively; in the process of taking bottles and delivering blanks, a bolt on one side die frame is withdrawn from a bolt hole on the other side die frame, and the two side die frames are allowed to rotate (unlock) relatively. The technical scheme has a complex structure, and strict requirements on the relative positions of the two edge die frames are met when the bolts enter and exit the bolt holes.
Rotating shaft type opening and closing lock: in the technical scheme, one side die carrier is provided with a bearing arm, the end of the bearing arm is provided with a part of concave cylindrical surface, the other side die carrier is provided with a rotating shaft with a part of shaft section milled flat, and the outer cylindrical surface of the rotating shaft and the part of cylindrical surface of the end of the bearing arm can be matched with each other. In the process of die assembly and bottle blowing, a bearing arm on one side die frame is inserted through a rotary shaft on the other side die frame through a milled notch, and the rotary shaft rotates by an angle to enable the outer cylindrical surface of the rotary shaft to be matched with the concave cylindrical surface of the arm end of the bearing arm, so that the two side die frames are prevented from rotating relatively (locking); in the process of taking bottles and delivering blanks, the rotating shaft reversely rotates by an angle, so that the outer cylindrical surface of the rotating shaft releases the constraint on the inward concave cylindrical surface of the arm end of the bearing arm, and the two side die frames are allowed to relatively rotate (unlock). The technical scheme has the advantages that the rotating shaft is complex in structure, the manufacturing precision requirements of the rotating shaft and the bearing arm are high, the rotating angle of the rotating shaft in the unlocking and locking process is large, and the limiting device is required to determine two limiting positions of the rotating shaft.
Claw type opening and closing lock: in this technical solution, generally one claw is fixedly connected to one side frame and the other claw is movably connected to the other side frame. In the process of closing the mold and blowing the bottle, the two claws are buckled to prevent the two side mold frames from rotating (locking) relatively; in the process of taking and delivering the bottle blank, the two claws are separated, and the two side die frames are allowed to rotate (unlock) relatively. The prior embodiment of the technical proposal adopts a structure that the fixed claw buckle faces outwards and the movable claw buckle faces inwards, and has the following defects: 1) The centrifugal inertia force of the movable claw faces to the tripping direction of the two claws, and in order to ensure that the two claws can be effectively buckled in the bottle blowing process, a large reverse retaining force must be applied to the movable claw; 2) If the bottle is exploded (refer to broken bottle blank) during bottle blowing, the two claws may be released by the high-pressure air flow released from the bottle blowing cavity, and serious accidents are caused.
The three technical schemes of unlocking and locking have successful embodiments at present, and compared with the three technical schemes of unlocking and locking, the claw type unlocking and locking technical scheme has the advantages of simplest structure, minimum unlocking and locking actions and relatively better effects. However, the existing claw-type unlocking and locking technical scheme also has the defects of large holding force required by effective buckling of two claws, bottle explosion risk and the like, and the unlocking and locking are driven by the guide rail, so that the existing claw-type unlocking and locking technical scheme is still complex and needs to be further improved.
Disclosure of Invention
The invention aims to provide a bottle blowing machine die carrier unlocking and locking mechanism which is simple in structure, convenient to manufacture and install and reliable in work, and can overcome the defects that the holding force required by buckling two jaws in the existing jaw type unlocking and locking structure is large, the risk of bottle explosion exists and the like, and the two die carriers can be mutually locked without being driven by a guide rail.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the bottle blowing machine comprises a frame, a first die frame and a second die frame which are respectively arranged on the frame and can rotate around a first axial lead, wherein the opening and closing mechanism comprises a fixed claw arranged on the first die frame, a movable claw which is arranged on the second die frame and can rotate around the second axial lead and is used for being matched with the fixed claw to be hooked and locked, a corner plate connected with the movable claw, a roller which is arranged on the corner plate and rotates around the axial lead direction of the roller, and a cam guide rail which is used for abutting the roller and driving the movable claw to rotate to be close to a bottle blowing cavity for unlocking, and the opening and closing mechanism also comprises a first elastic piece which is arranged on the second die frame and is used for driving the movable claw to rotate to be far away from the bottle blowing cavity, an elastic locking mechanism which is arranged on the second die frame and is used for preventing the movable claw from rotating to be far away from the bottle blowing cavity during ejection, and a control block which is arranged on the fixed claw and is used for abutting the elastic locking mechanism to shrink and keeping away from the movable claw;
the unlocking and locking mechanism has a locked state and an unlocked state:
when the first die carrier and the second die carrier rotate to be matched, the control block props against the elastic locking mechanism, the movable claw rotates away from the bottle blowing cavity and is hooked and locked with the fixed claw, and the unlocking and locking mechanism is in the locking state;
when the first die carrier and the second die carrier rotate to open the die, the control block is far away from the elastic locking mechanism, the movable claw rotates to be close to the bottle blowing cavity and is separated from the fixed claw, and the locking and unlocking mechanism is in the unlocking state.
Preferably, the elastic locking mechanism is arranged on one side of the movable claw away from the bottle blowing cavity.
Preferably, the second die carrier is provided with a through hole, the elastic locking mechanism comprises a second elastic piece, one end of which is elastically telescopic and penetrates through the through hole, a locking guide post, one end of which is propped against one end of the second elastic piece, the other end of the second elastic piece is fixedly propped against the through hole, and the other end of the locking guide post is used for propping against the movable claw when extending out.
More preferably, the elastic locking mechanism further comprises a guide sleeve fixedly penetrating through the through hole, and the locking guide post is movably penetrating through the guide sleeve.
More preferably, the elastic locking mechanism further comprises a screw plug fixedly arranged in the through hole and used for abutting against the other end of the second elastic piece.
More preferably, the second die carrier is further provided with a notch communicated with the side part of the through hole, the elastic locking mechanism further comprises a limiting column connected with the side part of the locking guide column, the limiting column can movably penetrate through the notch along the moving direction of the locking guide column, and both ends of the notch along the moving direction of the limiting column are respectively provided with a groove side wall for abutting against the limiting column.
More preferably, the movable claw is detachably provided with a locking block for being abutted by the locking guide post.
Preferably, the two bearing surfaces of the fixed claw and the movable claw mutually hooking lock are parallel, and the joint surfaces of the two bearing surfaces form an included angle alpha with the split plane M in the die assembly.
More preferably, the friction angle between the two bearing surfaces is phi, wherein alpha < phi, and the included angle alpha is used for preventing the two bearing surfaces from relative displacement when the bottle is blown.
More preferably, a connecting line T between the middle point of the bonding surface S of the two bearing surfaces and the axis O of the movable claw is perpendicular to the mold closing bisecting surface M, a point a is an upper end point of the bonding surface S, a point B is a lower end point of the bonding surface S, and an included angle between the connecting line T and the line OA is β, where β is less than or equal to α, and the included angle α is used to allow the two bearing surfaces to be separated from each other when the movable claw rotates to approach the bottle blowing cavity.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the die set locking and unlocking mechanism of the bottle blowing machine has the advantages of simple structure, convenient manufacture and installation and reliable work, can overcome the defects of larger holding force, bottle explosion risk and the like required by buckling two claws in the existing claw type locking and unlocking structure, and can realize the mutual locking of two die sets without driving a guide rail.
Meanwhile, the method has the following advantages:
the size and shape position deviations of the fixed claw, the movable claw and the first die frame and the second die frame connected with the fixed claw and the movable claw can be compensated through the gasket between the joint surfaces of the fixed claw and the first die frame, and the whole device is insensitive to the size and shape position deviations and convenient to install.
The locking block for determining the relative position of the movable claw and the second die frame can be manufactured independently and is fixedly connected with the movable claw through a screw, so that the movable claw is convenient to manufacture, and the relative locking position of the movable claw and the second die frame can be adjusted by increasing or decreasing gaskets on the joint surface of the locking block and the movable claw or directly replacing the locking blocks with different sizes.
The positions of the two side die frames of the rotary bottle blowing machine are continuously changed in the locking process, the positions of the rollers connected with the second die frame and used for driving the locking and unlocking device to act are also continuously changed, if the shape and the positions of the locking guide rail cannot be well matched with the rollers with the continuously changed positions, the locking guide rail is extremely easy to cause impact, high decibel noise is generated, the locking guide rail is matched with the positions of the rollers, the impact and the noise are further reduced, the problem of locking the side die frames is always solved, and the existing bolt type, rotary shaft type or claw type locking and unlocking technical scheme has the problem. However, by adopting the technical scheme of the invention, the locking process does not need external guide rail driving, and the problem can be effectively avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the device of the present invention in a first (locked state);
FIG. 2 is a schematic diagram of a second embodiment of the apparatus of the present invention (unlocked state);
FIG. 3 is a schematic diagram of the force applied to the carrying surface of the movable claw during bottle blowing;
fig. 4 is a schematic view of the structure of the bearing surfaces of the movable claw and the fixed claw.
Wherein: 1. a first axis; 2. a first mold frame; 3. a second mold frame; 4. a fixed claw; 5. a second axis; 6. a movable claw; 7. a corner plate; 8. a roller; 9. a control block; 10. a second elastic member; 11. locking the guide post; 12. guide sleeve; 13. a screw plug; 14. a limit column; 15. a locking block; 16. a bearing surface; 17. a first mold; 18. and a second mold.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-2, the bottle blowing machine comprises a frame, a first die frame 2 and a second die frame 3 which are respectively arranged on the frame and can rotate around a first axis 1 and are used for mutually matching opening and closing, a first die 17 and a second die 18 which are respectively arranged on the inner sides of the first die frame 2 and the second die frame 3, and the first die 17 and the second die 18 mutually enclose to form a bottle blowing cavity when the dies are closed. In the present embodiment, the first axis 1 extends in the vertical direction.
The above-mentioned bottle blowing machine die carrier locking and unlocking mechanism includes fixed claw 4 arranged on first die carrier 2, movable claw 6 which is arranged on second die carrier 3 and can rotate around second axis 5 and is used for being matched with the mutual hooking lock of fixed claw 4, angle plate 7 fixedly connected on movable claw 6, roller 8 which is arranged on angle plate 7 and rotates around self axis direction, cam guide rail (not shown in the figure) which is used for abutting roller 8 and driving movable claw 6 to rotate to be close to bottle blowing cavity to unlock through roller 8. In this embodiment, the second axis 5 and the axis of the roller 8 both extend in a vertical direction. Because the movable claw 6 rotates to be close to the bottle blowing cavity for unlocking, the movable claw 6 is positioned on one side of the fixed claw 4 facing the bottle blowing cavity, and through the arrangement, the defects that the holding force required by buckling the two claws in the existing claw type opening and closing structure is large, the risk of bottle explosion exists and the like are overcome.
The above-mentioned bottle blowing machine die carrier open-close locking mechanism further comprises a first elastic piece (not shown in the figure) arranged on the second die carrier 3 and used for driving the movable claw 6 to rotate away from the bottle blowing cavity, an elastic locking mechanism which is elastically telescopic and arranged on the second die carrier 3 and used for preventing the movable claw 6 from rotating away from the bottle blowing cavity when popping up, and a control block 9 which is arranged on the fixed claw 4 and used for abutting against the elastic locking mechanism to enable the elastic locking mechanism to shrink and be away from the movable claw 6. In this embodiment, the first elastic member is a torsion spring, and when the mold is opened and unlocked, the torsion spring is twisted clockwise to store elastic potential energy under the drive of the cam guide rail, and when the mold is closed and locked, the torsion spring is twisted counterclockwise to reset to drive the movable claw 6 to rotate counterclockwise away from the bottle blowing cavity.
The bottle blowing machine die carrier unlocking and locking mechanism has a locking state and an unlocking state:
when the first die carrier 2 and the second die carrier 3 rotate to be matched with each other, the control block 9 props against the elastic locking mechanism, the elastic locking mechanism retracts and does not props against the movable claw 6 any more, the locking state between the movable claw 6 and the second die carrier 3 is released, the movable claw 6 rotates anticlockwise away from the bottle blowing cavity under the action of the torsion spring and is hooked and locked with the fixed claw 4 mutually, and the unlocking and locking mechanism is in a locking state;
when the first die carrier 2 and the second die carrier 3 rotate to open the die, the control block 9 is far away from the elastic locking mechanism, the cam guide rail drives the angle plate 7 to drive the movable claw 6 to rotate clockwise to be close to the bottle blowing cavity and separate from the fixed claw 4, the elastic locking mechanism stretches out and props against the movable claw 6, so that no relative displacement occurs between the movable claw 6 and the second die carrier 3, and the opening and closing mechanism is in an unlocking state.
In this embodiment, the elastic locking mechanism is arranged on one side of the movable claw 6 away from the bottle blowing cavity, and is used for preventing the movable claw 6 from approaching the fixed claw 4 when the movable claw 6 extends out, and making the movable claw 6 and the second die frame 3 relatively static. Through this structure, firstly, during the shutting, need not extra shutting guide rail, solved the shape position of the shutting guide rail that exists that uses the shutting guide rail among the prior art and can not be fine with the roller 8 phase-match of continuous variation in position, very easily arouse the impact, produce high decibel noise scheduling problem. Secondly, the movable claw 6 can be locked at a proper position, so that the excessive rotation angle of the movable claw 6 is prevented from influencing the locking process with the fixed claw 4. Finally, the elastic locking mechanism is pushed by the control block 9 on the fixed jaw 4 during locking, the locking state between the movable jaw 6 and the second die frame 3 is released, and the mutual locking between the fixed jaw 4 and the movable jaw 6 is controlled only by virtue of the jaw geometry of the movable jaw 6 and the fixed jaw 4 and the die assembly relative movement of the first die frame 2 and the second die frame 3.
In this embodiment, the second mold frame 3 is provided with a through hole, the elastic locking mechanism includes a second elastic member 10 with a left end capable of elastically stretching and contracting and penetrating through the through hole, a locking guide post 11 with a right end abutting against the left end of the second elastic member 10, the right end of the second elastic member 10 is fixedly abutting against the through hole, and the left end of the locking guide post 11 is used for abutting against the movable claw 6 when extending. (the left and right ends are referred to herein as the left in FIG. 1, the left in FIG. 1 is the left end herein)
In this embodiment, the elastic locking mechanism further includes a guide sleeve 12 fixedly penetrating the through hole, a screw plug 13 fixedly penetrating the through hole and used for abutting against the right end of the second elastic member 10, and the locking guide post 11 movably penetrates the guide sleeve 12. The through hole, the second elastic piece 10, the locking guide post 11, the guide sleeve 12 and the screw plug 13 all extend coaxially, and the axial lead of the through hole, the second elastic piece and the screw plug extends along the horizontal direction.
In this embodiment, the second mold frame 3 is further provided with a notch communicated with the side portion of the through hole, the elastic locking mechanism further comprises a limiting column 14 connected to the side portion of the locking guide column 11, the limiting column 14 can be movably penetrated in the notch back and forth along the moving direction of the locking guide column 11, and both ends of the notch along the moving direction of the limiting column 14 are provided with groove side walls for abutting against the limiting column 14. By this arrangement, the length of the locking guide post 11 extending leftward out of the through hole can be limited, and at the same time, the locking guide post 11 can be prevented from rotating when expanding and contracting.
In this embodiment, the movable claw 6 is detachably provided with a locking block 15 for being abutted by the locking guide post 11. With this arrangement, when the relative locking position of the movable claw 6 and the second mold frame 3 needs to be adjusted, only the locking speeds with different sizes need to be replaced.
The two bearing surfaces 16 of the fixed claw 4 and the movable claw 6 which are mutually hooked and locked are mutually parallel, and the joint surface of the two bearing surfaces 16 forms an included angle alpha with the split plane M in the die assembly. Referring to fig. 1, the vertical plane where M is located is the mold clamping mid-split plane. By setting the included angle α, the two bearing surfaces 16 are prevented from relative displacement during bottle blowing; but also for allowing the two bearing surfaces 16 to disengage from each other when the movable jaw 6 is rotated close to the bottle blowing chamber.
Referring to fig. 3, in the process of blowing bottles, the bottle blowing chamber is subjected to high internal pressure, the buckled movable claw 6 and fixed claw 4 must ensure that the first die carrier 2 and the second die carrier 3 have stable relative positions under the action of the high internal pressure, and for this reason, the bearing surfaces 16 of the two claws must satisfy the following conditions:
the internal pressure of the second mold frame 3 acting on the connecting movable claws 6 can be simplified to be a concentrated force P, the acting direction of the force is perpendicular to the parting plane M of the mold assembly, and the acting line passes through the bottle center of the plastic bottle. Under the action of the high internal pressure of the bottle cavity, the two movable bearing surfaces 16 are mutually adhered and pressed, and the action of the bearing surface 16 of the fixed claw 4 on the bearing surface 16 of the movable claw 6 can be simplified into concentrated forces N and F. The force N is normal counterforce, the acting direction is vertical to the contact surface, and the acting point is positioned at the midpoint of the contact surface; the force F is a friction force, the direction of action is parallel to the contact surface, and the bearing surface 16 of the movable claw 6 is prevented from sliding outwards along the bearing surface 16 of the fixed claw 4.
The magnitude of force F is: f=fn. Where f is the coefficient of friction of the contact surface and is related to the contact surface material, surface quality, hardness, etc. For steel-to-steel interfaces, the coefficient of friction value for a non-lubricated dry friction (friction between the two jaw bearing surfaces 16 may be considered to be such friction) is approximately: f=0.1-0.15.
The normal reaction force N has a component force nsinα in the vertical direction, which has a function of releasing the movable claw 6 from the fixed claw 4; the friction force F has a component force Fcos α=fncos α vertically downward, and this component force has a function of preventing the movable claw 6 from disengaging from the fixed claw 4. In order to ensure the stability of the relative positions of the first die carrier 2 and the second die carrier 3 when bearing high internal pressure, the movable claw 6 and the fixed claw 4 cannot be tripped, and the two claw bearing surfaces 16 cannot slide relatively, the following needs to be satisfied: fNcos alpha is more than or equal to Nsin alpha; i.e. it is necessary to satisfy α.ltoreq.arctan (f) =Φ. Where phi is the friction angle between the two jaw bearing surfaces 16, the value in the dry friction case is about: phi=5.71° -8.53 °. In design, in order to ensure that the two claws are buckled stably and reliably, a certain safety margin is needed for the value of the angle alpha.
Referring to fig. 3, the arm L of the internal force P in the bottle blowing chamber is shown with respect to the first axis 1 1 Arm L of force against bearing surface 16 2 In comparison, the former is of insufficient length and the latter is of long lengthHalf the degree, the force on the bearing surface 16 (i.e., the resultant of N and F) should be no greater than half the force P in the bottle blowing chamber.
Referring to fig. 4, a line T connecting the midpoint of the bonding surface S of the two bearing surfaces 16 and the axis O of the movable claw 6 is perpendicular to the mold clamping bisecting surface M, and a point a is an upper end point of the bonding surface S and a point B is a lower end point of the bonding surface S. If the included angle between the connecting line T and the line OA is β (where the point O, the point a, and the point B are located in the same horizontal plane), when the included angle α between the joint surface S and the parting plane M is greater than or equal to β, the bearing surface 16 of the movable claw 6 and the bearing surface 16 of the fixed claw 4 can be separated as soon as the movable claw 6 rotates in the unlocking direction, and at this time, the angle OAB is greater than or equal to 90 °. When the movable claw 6 rotates clockwise around the point O, the radial direction of the end point A on the bearing surface 16 of the movable claw 6 is minimum.
To sum up, in order to ensure that the two jaw bearing surfaces 16 will not slide relative to each other when loaded, the angle α between the joint surface S and the mold clamping bisecting surface M should be smaller than the friction angle Φ between the two jaw bearing surfaces 16, so that the bearing surface 16 of the movable jaw 6 and the bearing surface 16 of the fixed jaw 4 can be separated as soon as the movable jaw 6 rotates in the unlocking direction, and the angle α between the joint surface S and the mold clamping bisecting surface M should be greater than or equal to β. Therefore, in designing, the following expression should be ensured to be established: beta is less than or equal to alpha and less than phi.
The working procedure of this embodiment is specifically described below:
when the first die carrier 2 and the second die carrier 3 rotate to be matched with each other, the control block 9 props against the elastic locking mechanism, the elastic locking mechanism retracts and does not props against the movable claw 6 any more, the locking state between the movable claw 6 and the second die carrier 3 is released, the movable claw 6 rotates anticlockwise away from the bottle blowing cavity under the action of the torsion spring and is hooked and locked with the fixed claw 4 mutually, and the unlocking and locking mechanism is in a locking state;
when the first die carrier 2 and the second die carrier 3 rotate to open the die, the control block 9 is far away from the elastic locking mechanism, the cam guide rail drives the angle plate 7 to drive the movable claw 6 to rotate clockwise to be close to the bottle blowing cavity and separate from the fixed claw 4, the elastic locking mechanism stretches out and props against the movable claw 6, so that no relative displacement occurs between the movable claw 6 and the second die carrier 3, and the opening and closing mechanism is in an unlocking state.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a bottle blowing machine die carrier open and close locking mechanism, bottle blowing machine includes the frame, can be around first axial lead pivoted respectively locate first die carrier and second die carrier in the frame, open and close locking mechanism including locating fixed jaw on the first die carrier, can around second axial lead pivoted locate be used for cooperating on the second die carrier the movable jaw of fixed jaw mutual hook lock, connect scute on the movable jaw, around self axial lead direction pivoted locate roller on the scute, be used for contradicting the roller and pass through the roller drive the movable jaw rotates the cam guide who is close to the bottle blowing chamber in order to unblock, its characterized in that: the locking and unlocking mechanism further comprises a first elastic piece, an elastic locking mechanism and a control block, wherein the first elastic piece is arranged on the second die frame and used for driving the movable claw to rotate away from the bottle blowing cavity, the elastic locking mechanism is arranged on the second die frame and used for preventing the movable claw from rotating away from the bottle blowing cavity when the movable claw is ejected out, and the control block is arranged on the fixed claw and used for abutting against the elastic locking mechanism to enable the elastic locking mechanism to shrink and be away from the movable claw;
the unlocking and locking mechanism has a locked state and an unlocked state:
when the first die carrier and the second die carrier rotate to be matched, the control block props against the elastic locking mechanism, the movable claw rotates away from the bottle blowing cavity and is hooked and locked with the fixed claw, and the unlocking and locking mechanism is in the locking state;
when the first die carrier and the second die carrier rotate to open the die, the control block is far away from the elastic locking mechanism, the movable claw rotates to be close to the bottle blowing cavity and is separated from the fixed claw, and the locking and unlocking mechanism is in the unlocking state.
2. The bottle blowing machine die carrier unlocking and locking mechanism according to claim 1, wherein: the elastic locking mechanism is arranged on one side of the movable claw away from the bottle blowing cavity.
3. The bottle blowing machine die carrier unlocking and locking mechanism according to claim 1, wherein: the second die carrier is provided with a through hole, the elastic locking mechanism comprises a second elastic piece, one end of which is elastically telescopic and penetrates through the through hole, a locking guide post, one end of which is propped against one end of the second elastic piece, the other end of the second elastic piece is fixedly propped against the through hole, and the other end of the locking guide post is used for propping against the movable claw when extending out.
4. A bottle blowing machine die carrier open-close mechanism according to claim 3, wherein: the elastic locking mechanism further comprises a guide sleeve fixedly penetrating through the through hole, and the locking guide post movably penetrates through the guide sleeve.
5. A bottle blowing machine die carrier open-close mechanism according to claim 3, wherein: the elastic locking mechanism further comprises a screw plug fixedly arranged in the through hole and used for abutting against the other end of the second elastic piece.
6. A bottle blowing machine die carrier open-close mechanism according to claim 3, wherein: the second die carrier is further provided with a notch communicated with the side part of the through hole, the elastic locking mechanism further comprises a limiting column connected with the side part of the locking guide column, the limiting column can movably penetrate through the notch in the moving direction of the locking guide column, and both ends of the notch in the moving direction of the limiting column are provided with groove side walls for abutting against the limiting column.
7. A bottle blowing machine die carrier open-close mechanism according to claim 3, wherein: the movable claw is detachably provided with a locking block which is used for being abutted by the locking guide post.
8. The bottle blowing machine die carrier unlocking and locking mechanism according to claim 1, wherein: the two bearing surfaces of the fixed claw and the movable claw mutually hooking lock are mutually parallel, and an included angle alpha is formed between the joint surfaces of the two bearing surfaces and the split plane M in the die assembly.
9. The bottle blowing machine die carrier unlocking and locking mechanism according to claim 8, wherein: the friction angle between the two bearing surfaces is phi, wherein alpha is smaller than phi, and the included angle alpha is used for preventing the two bearing surfaces from relative displacement when the bottle is blown.
10. The bottle blowing machine die carrier unlocking and locking mechanism according to claim 8, wherein: the connecting line T of the middle point of the joint surface S of the two bearing surfaces and the axis O of the movable claw is perpendicular to the middle parting plane M of the mold closing, the point A is the upper end point of the joint surface S, the point B is the lower end point of the joint surface S, and the included angle between the connecting line T and the line OA is beta, wherein beta is less than or equal to alpha, and the included angle alpha is used for allowing the two bearing surfaces to be separated from each other when the movable claw rotates to be close to the bottle blowing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910207288.2A CN109927271B (en) | 2019-03-19 | 2019-03-19 | Mould frame opening and closing mechanism of bottle blowing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910207288.2A CN109927271B (en) | 2019-03-19 | 2019-03-19 | Mould frame opening and closing mechanism of bottle blowing machine |
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| Publication Number | Publication Date |
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| CN109927271A CN109927271A (en) | 2019-06-25 |
| CN109927271B true CN109927271B (en) | 2023-08-29 |
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| CN201910207288.2A Active CN109927271B (en) | 2019-03-19 | 2019-03-19 | Mould frame opening and closing mechanism of bottle blowing machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2860804Y (en) * | 2005-12-01 | 2007-01-24 | 铨宝工业股份有限公司 | Mode locking structure of rotating die holder |
| CN204620995U (en) * | 2015-05-21 | 2015-09-09 | 安阳联达数控精密锻造有限公司 | A kind of clamping apparatus for planetary conical cone gear closed type hot die forging quick locking |
| CN207290702U (en) * | 2017-10-18 | 2018-05-01 | 福建省信豪体育用品有限公司 | A kind of EVA second time of foaming full-automatic molding device |
| CN109454856A (en) * | 2018-12-14 | 2019-03-12 | 江苏新美星包装机械股份有限公司 | A kind of clamping mechanism for bottle-blowing machine |
| CN209999676U (en) * | 2019-03-19 | 2020-01-31 | 江苏新美星包装机械股份有限公司 | mold frame unlocking and locking mechanism of bottle blowing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010013185B4 (en) * | 2010-03-26 | 2021-02-18 | Krones Aktiengesellschaft | Blow molding assembly with controlled locking mechanism |
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2019
- 2019-03-19 CN CN201910207288.2A patent/CN109927271B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2860804Y (en) * | 2005-12-01 | 2007-01-24 | 铨宝工业股份有限公司 | Mode locking structure of rotating die holder |
| CN204620995U (en) * | 2015-05-21 | 2015-09-09 | 安阳联达数控精密锻造有限公司 | A kind of clamping apparatus for planetary conical cone gear closed type hot die forging quick locking |
| CN207290702U (en) * | 2017-10-18 | 2018-05-01 | 福建省信豪体育用品有限公司 | A kind of EVA second time of foaming full-automatic molding device |
| CN109454856A (en) * | 2018-12-14 | 2019-03-12 | 江苏新美星包装机械股份有限公司 | A kind of clamping mechanism for bottle-blowing machine |
| CN209999676U (en) * | 2019-03-19 | 2020-01-31 | 江苏新美星包装机械股份有限公司 | mold frame unlocking and locking mechanism of bottle blowing machine |
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| CN109927271A (en) | 2019-06-25 |
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