CN112238577B - Demoulding system for composite insulator injection - Google Patents
Demoulding system for composite insulator injection Download PDFInfo
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- CN112238577B CN112238577B CN202010884094.9A CN202010884094A CN112238577B CN 112238577 B CN112238577 B CN 112238577B CN 202010884094 A CN202010884094 A CN 202010884094A CN 112238577 B CN112238577 B CN 112238577B
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C2045/4094—Ejectors located on the fixed mould half
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3412—Insulators
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention relates to a demoulding system for composite insulator injection, which comprises a pair of upper and lower dies which are distributed up and down and matched with each other; a demoulding frame is arranged between the upper die and the lower die, an inner cavity for the upper die or the lower die to pass through is formed in the demoulding frame, and the demoulding frame is driven by a lifting horizontal driving mechanism to enter between the upper die and the lower die or move out from between the upper die and the lower die; the two sides of the demoulding frame in the long axis direction are provided with demoulding hook groups, each group of demoulding hook group consists of a pair of demoulding hooks which are distributed in parallel, and the demoulding hooks are fixedly hung on the demoulding frame through the matching of the movable blocks. The invention has the advantages that: through the cooperation of addding a drawing of patterns frame and the drawing of patterns hook on the drawing of patterns frame to can pull down the product from last mould or ejecting from the lower mould, recycle the level and the lifting movement of drawing of patterns frame, thereby can shift out the product from the mould centre, realize taking out the product from the mould outside, avoid the risk of scald.
Description
Technical Field
The invention relates to the field of composite insulator production, in particular to a demoulding system for composite insulator injection.
Background
The composite insulator is a special insulating control and can play an important role in an overhead transmission line. The insulator plays two basic roles in an overhead transmission line, namely supporting a wire and preventing current from flowing back to the ground, the two roles are ensured, the insulator in the early stage is made of porcelain or glass, along with the development of science and technology, the composite insulator made of composite materials quickly replaces the porcelain or glass insulator by virtue of excellent pollution flashover resistance, the composite insulator also has the fatal weakness, the composite insulator is aged gradually under the conditions of environment and electric load, various electromechanical stresses are caused to fail, the effect of the insulator is lost, the service life and the operation life of the whole line are damaged, and therefore the quality defect is not allowed to exist in the production process of the composite insulator.
At present, during injection production of bar suspension type composite insulator, the whole injection moulding technology of adoption, because the chute boot adhesion is in the mould when the product is taken out from the mould, consequently the mode that adopts artifical crowbar at present prizes the plug of injecting the chute boot well from the mould, manual carrying out the product from the mould, because the mode that adopts artifical prizing product, the power of crowbar is uncontrolled, probably cause invisible damage to the plug at the crowbar in-process, thereby influence the mechanical properties under the long-term use of product, the mode that the product was carried out by the manual work is because the mould is in high temperature state, personnel are scalded very probably.
Disclosure of Invention
The invention aims to solve the technical problem of providing a demoulding system for composite insulator injection, which is convenient for demoulding
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a compound insulator is demoulding system for injection which innovation point lies in: comprises that
The upper die and the lower die are vertically distributed and matched for use, and the top of the upper die is provided with a material injection hole;
a demoulding frame is arranged between the upper die and the lower die, an inner cavity for the upper die or the lower die to pass through is formed in the demoulding frame, so that the whole demoulding frame forms a square structure, and the demoulding frame is driven by a lifting horizontal driving mechanism to enter between the upper die and the lower die or move out of between the upper die and the lower die;
both sides of the demoulding frame in the long axis direction are provided with demoulding hook groups, each group of demoulding hook groups consists of a pair of demoulding hooks which are distributed in parallel, and the demoulding hooks are fixedly hung on the demoulding frame through the matching of a movable block;
the demolding hook comprises a demolding hook main body, the demolding hook main body is in a cuboid shape, a cavity for accommodating a core rod of an insulator is arranged in the demolding hook main body, an opening communicated with the cavity is formed in the upper side end of the demolding hook main body, the cavity is composed of an upper cavity and a lower cavity, the horizontal plane where the bottom end point of the opening of the demolding hook main body is located is taken as a reference plane, the upper cavity is located above the reference plane, the lower cavity is located below the reference plane, the upper cavity is a cuboid cavity, the lower cavity is a right-angle trapezoid cavity, the upper bottom of the lower cavity is larger than the lower bottom of the lower cavity, and the oblique edge of the lower cavity is close to the opening side of the demolding hook main body;
the bottom end of the upper die is provided with a first cavity extending along the long axis direction of the upper die, a plurality of first molding blocks distributed in parallel are filled in the first cavity along the long axis direction of the upper die, the middle position of the bottom end of each first molding block is provided with a semicircular first cavity, a semicircular second cavity is arranged between the adjacent first molding blocks, the end parts of the two sides of the bottom end of the upper die are also provided with semicircular grooves communicated with the first cavity, the upper end of the lower die is provided with a second cavity extending along the long axis direction of the lower die, a plurality of second molding blocks distributed in parallel are filled in the second cavity along the long axis direction of the lower die, the middle position of the upper end of each second molding block is provided with a semicircular third cavity, a semicircular fourth cavity is arranged between the adjacent second molding blocks, the first cavities of all the first molding blocks on the upper die and the third cavities of all the second molding blocks on the lower die form a core rod cavity together, and the second cavities between all the first molding blocks on the upper die and the fourth cavities between all the second molding blocks on the lower die form an umbrella skirt cavity together;
in each first forming block, at least one first forming block is movably matched with the upper die at the positions of two sides and the middle part of the first cavity, the other first forming blocks are fixedly connected with the upper die, and the movable matching between the first forming blocks and the upper die is as follows: the upper die is provided with a first through hole corresponding to the first forming block, the first through hole is I-shaped, the upper end of the first through hole extends out of the top end of the upper die, the bottom end of the first through hole is communicated with the first cavity, the upper end of the first through hole is provided with a first fixed block, the bottom end of the first through hole is provided with a first movable block, the bottom end of the first movable block is fixed with the first forming block, and the upper end of the first movable block is connected with the first fixed block through a first return spring;
in each second forming block, at least one second forming block is movably matched with the lower die at the positions of two sides and the middle part of the second cavity, the other second forming blocks are fixedly connected with the lower die, and the movable matching between the second forming blocks and the lower die is as follows: install a second through-hole corresponding with the second forming block at the lower mould, the second through-hole is the I shape, and the bottom of lower mould is stretched out to the bottom of second through-hole, and the top and the second cavity of second through-hole are linked together, installs the second fixed block in the bottom of second through-hole, installs the second movable block in the upper end of second through-hole, and the top and the second forming block of second movable block are fixed mutually, and the bottom of second movable block passes through second reset spring and links to each other with the second fixed block.
The lifting horizontal driving mechanism comprises: the demolding frame is the mouth style of calligraphy structure that constitutes jointly by a pair of horizontal pole, a pair of vertical pole, the demolding frame supports on a well mould support, and well mould support is fixed mutually with the lower mould to reciprocate along with the lower mould, be provided with a pair of horizontal migration guide rail in the upper end of well mould support, install a lift frame in the outside of demolding frame, the demolding frame carries out the oscilaltion by the lift jar drive of installing on the lift frame, still installs the horizontal migration gyro wheel that carries out reciprocating motion along the horizontal migration guide rail in the outside of lift frame, the lift frame carries out reciprocating motion along the horizontal migration guide rail by a horizontal drive jar drive to drive the demolding frame and carry out horizontal migration.
Furthermore, the installation between the lifting frame and the horizontal moving roller is as follows: the horizontal migration gyro wheel includes ball bearing, circular limiting plate, adapter sleeve, and ball bearing, circular limiting plate fix in proper order in the outside of adapter sleeve, and the size of circular limiting plate is greater than ball bearing's size, still has the connecting axle of outside extension in the outside of lift frame, and the adapter sleeve suit is in the outside of connecting axle to through bolt locking fixation, ball bearing supports on the guide rail.
Further, still be provided with a positioning mechanism between last mould, lower mould, the drawing of patterns frame, positioning mechanism is: the upper surface of the lower die is provided with four positioning columns which are vertically distributed upwards, the bottom end of the upper die is provided with positioning grooves for accommodating the positioning columns to be inserted in a one-to-one correspondence manner, the inner wall of the demolding frame is also provided with a positioning plate extending towards the positioning columns, and the positioning plate is provided with through holes for accommodating the positioning columns to pass through.
Further, the connection among the demoulding hook, the movable block and the demoulding frame is as follows: one side of the movable block is fixed on the demoulding frame through a bolt, the other side of the movable block horizontally extends towards the lower mould, and the bottom end of the demoulding hook is directly fixed on the upper end surface of the movable block close to one side of the lower mould.
The invention has the advantages that: according to the invention, the product can be pulled down from the upper die or ejected out from the lower die by additionally arranging the demoulding frame and matching the demoulding hook on the demoulding frame, and the product can be moved out from the middle of the die by utilizing the horizontal and lifting movement of the demoulding frame, so that the product can be taken out from the outside of the die, and the risk of scalding is avoided.
Through the arrangement of the first forming block and the second forming block which are respectively in movable fit with the upper die and the lower die, when the core rod is demolded, the first forming block on the upper die is ejected downwards, and the second forming block on the lower die is ejected upwards, so that the core rod is conveniently demolded, the condition that the umbrella skirt is bonded with the upper die and the lower die is avoided, and the manual labor is reduced.
The movable fit between the first forming block and the upper die and the movable fit between the second forming block and the lower die are realized by the fit among the I-shaped through hole, the fixed block, the movable block and the reset spring, so that the automatic downward ejection of the first forming block or the automatic upward ejection of the second forming block can be realized by the elastic action of the reset spring, and the automatic downward ejection and the automatic upward ejection of the second forming block can be realized without other driving pieces, thereby being very convenient.
To the setting of horizontal migration gyro wheel, adopt the constitution structure between ball bearing, circular limiting plate, the adapter sleeve, when cooperating with the guide rail like this, directly support ball bearing and can realize the roll of horizontal migration gyro wheel on the guide rail, and the setting of limiting plate is then spacing to the relative position between lift frame and the guide rail, avoids the lift frame to run out outside the guide rail.
The positioning mechanism is arranged, and the positioning column, the positioning plate and the positioning groove are matched, so that the relative positions of the upper die, the demoulding frame and the lower die are positioned, the phenomenon that any one of the three deviates is avoided, and the whole injection processing is influenced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of a composite insulator injection demolding system of the present invention.
Fig. 2 is a sectional view of an upper mold in the present invention.
Fig. 3 is an enlarged view of a portion B of fig. 2.
Fig. 4 is a schematic view of the elevating horizontal driving mechanism of the present invention.
Fig. 5 is an enlarged view of a portion C of fig. 4.
Fig. 6 is an enlarged view of a portion D of fig. 4.
Detailed Description
The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
A demoulding system for composite insulator injection as shown in fig. 1-6 comprises
The device comprises a pair of upper die 1 and lower die 5 which are distributed up and down and matched with each other, wherein the upper die 1 is driven by an upper hydraulic cylinder to move up and down, the lower die 5 is driven by a lower hydraulic cylinder to move up and down, and the top of the upper die 1 is provided with a material injection hole.
The top of the upper die 1 is provided with a material injection hole, the bottom end of the upper die 1 is provided with a first cavity extending along the long axis direction of the upper die 1, a plurality of first molding blocks 11 distributed in parallel are filled in the first cavity along the long axis direction of the upper die 1, a semicircular first cavity is arranged in the middle of the bottom end of each first molding block 11, a semicircular second cavity is arranged between the adjacent first molding blocks 11, semicircular grooves communicated with the first cavity are further arranged at the end parts of the two sides of the bottom end of the upper die 1, a second cavity extending along the long axis direction of the lower die 5 is arranged at the upper end of the lower die 5, a plurality of second molding blocks 21 distributed in parallel are filled in the second cavity along the long axis direction of the lower die 5, a semicircular third cavity is arranged in the middle of the upper end of each second molding block 21, a semicircular third cavity is arranged between the adjacent second molding blocks 21, the first cavities of all the first molding blocks 11 on the upper die 1 and the third cavities of all the second molding blocks 21 on the lower die 5 form a core rod together, all the first cavities of the first molding blocks 11 on the upper die 1 and all the second molding blocks on the fourth molding cavities of the umbrella skirt, and the umbrella skirt cavities 21 are communicated with each other.
In each first forming block 11, at least one first forming block 11 is movably matched with the upper die 1 at the two sides and the middle part of the first cavity, and the other first forming blocks 11 are fixedly connected with the upper die 1.
The movable matching between the first forming block 11 and the upper die 1 is as follows: the upper die 1 is provided with a first through hole corresponding to the first forming block 11, the first through hole is in an I shape, the upper end of the first through hole extends out of the top end of the upper die 1, the bottom end of the first through hole is communicated with the first cavity, the upper end of the first through hole is provided with a first fixed block 12, the first fixed block 12 is fixedly connected with the upper die 1 through a bolt, the bottom end of the first through hole is provided with a first movable block 13, the bottom end of the first movable block 13 is fixedly connected with the first forming block 11 through a bolt, the upper end of the first movable block 13 is connected with the first fixed block 12 through a first reset spring 14, and the first reset spring 14 is arranged in the middle position in the first through hole.
In each second forming block 21, at least one second forming block 21 is movably matched with the lower die 5 at the two sides and the middle position of the second cavity, and the rest second forming blocks 21 are fixedly connected with the lower die 5.
The movable fit between the second forming block 21 and the lower die 5 is as follows: install a second through-hole corresponding with second forming block 21 on lower mould 5, the second through-hole is the I shape, the bottom of second through-hole stretches out the bottom of lower mould 5, the top and the second cavity of second through-hole are linked together, install second fixed block 22 in the bottom of second through-hole, it is fixed through bolted connection between second fixed block 22 and the lower mould 5, install second movable block 23 in the upper end of second through-hole, the top and the second forming block 21 of second movable block 23 are fixed mutually through the bolt, the bottom of second movable block 23 passes through second reset spring 24 and links to each other with second fixed block 22, second reset spring arranges the middle part position in the second through-hole in.
The movable fit between the first forming block 11 and the upper die 1 and the movable fit between the second forming block 21 and the lower die 5 are realized by the fit among the I-shaped through hole, the fixed block, the movable block and the return spring, so that the automatic downward ejection of the first forming block 11 or the automatic upward ejection of the second forming block 21 is realized by the elastic action of the return spring without adopting other driving pieces, and the automatic downward ejection is very convenient; and for the distribution of the first forming block 11 and the second forming block 21 which are movably matched with the upper die 1 and the lower die 2, the first forming block 11 and the second forming block 21 which are distributed at the positions of two sides of the upper die 1 and the lower die 5 and the positions of the middle parts of the upper die 1 and the lower die 5 are respectively adopted, and the first forming block 11 and the second forming block 21 at the three positions are adopted to realize the ejection of the core rod, so that the demoulding is more convenient.
A demoulding frame 4 is arranged between the upper mould 1 and the lower mould 5, an inner cavity for the upper mould 1 or the lower mould 5 to pass through is arranged in the demoulding frame 4, so that the whole demoulding frame 4 forms a square structure, and the demoulding frame 4 is driven by a lifting horizontal driving mechanism to enter between the upper mould 1 and the lower mould 5 or move out from between the upper mould 1 and the lower mould 5.
The lifting horizontal driving mechanism comprises: the demolding frame 4 is a square structure composed of a pair of transverse rods and a pair of longitudinal rods, the demolding frame 4 is supported on a middle mold support 45, the middle mold support and a lower mold are fixed together and move up and down along with the lower mold, a pair of horizontal moving guide rails are arranged at the upper end of the middle mold support 45, a lifting frame 46 is installed on the outer side of the demolding frame 4, the demolding frame 4 is driven by a lifting cylinder 47 installed on the lifting frame 46 to lift up and down, horizontal moving rollers which carry out reciprocating movement along the horizontal moving guide rails are also installed on the outer side of the lifting frame 46, and the lifting frame 46 is driven by a horizontal driving cylinder to carry out reciprocating movement along the horizontal moving guide rails and drives the demolding frame 4 to carry out horizontal movement.
The installation between the lifting frame 46 and the horizontal moving roller is as follows: the horizontal movement gyro wheel includes ball bearing 41, circular limiting plate 42, adapter sleeve 43, ball bearing 41, circular limiting plate 42 is fixed in the outside at adapter sleeve 43 in proper order, and the size of circular limiting plate 42 is greater than ball bearing 41's size, ball bearing 41's outer wall supports on the horizontal movement guide rail, the outside at lift frame 46 still has the connecting axle of outside extension, adapter sleeve 43 suit is in the outside of connecting axle, still have an internal thread hole in the connecting axle, after adapter sleeve 43 suit is on the connecting axle, pass back and the internal thread hole looks screw-thread fit of connecting axle through a locking bolt 44 from the outside of adapter sleeve 43, thereby realize the relative fixation of adapter sleeve 43 and connecting axle. To the setting of horizontal migration gyro wheel, adopt ball bearing 41, circular limiting plate 42, the constitution structure between adapter sleeve 43, when cooperating with the horizontal migration guide rail like this, directly support ball bearing 41 on the horizontal migration guide rail can realize the roll of horizontal migration gyro wheel on the horizontal migration guide rail, such design, make in lifting frame 46 very convenient when cooperating with well mould support 45, need not to adopt other direct connection spare to cooperate, only need support ball bearing 41 on the horizontal migration guide rail can, unusual convenience, and circular limiting plate 42's setting is then spacing the relative position between lifting frame 46 and the horizontal migration guide rail, because lifting frame 46 is when removing, the roll of ball bearing 41 who adopts on the horizontal migration guide rail realizes, and other stop device do not exist between ball bearing 41 and the horizontal migration guide rail, therefore limiting plate 42's setting can be fine avoid lifting frame 46 to run out the horizontal migration guide rail.
Still be provided with a positioning mechanism between last mould 1, lower mould 5, drawing of patterns frame 4, positioning mechanism is: have four reference columns 27 that make progress vertical distribution on lower mould 5 upper surface, hold reference column 27 one-to-one male positioning groove in the bottom of last mould 2, still have the locating plate that extends to reference column 27 direction on the inner wall of the horizontal pole of drawing of patterns frame 4, the recess that holds locating plate embedding installation has on the horizontal pole, after the recess on the horizontal pole of locating plate embedding, fix through the bolt locking, thereby realize the relative fixation between locating plate and the horizontal pole, it has the through-hole that holds reference column 27 and pass to open on the locating plate, simultaneously at the bottom of last mould 1, the top of lower mould 5 still has the recess that holds the locating plate embedding, adopt such design, then when being in order to go up mould 1 and lower mould 5 compound die, avoid appearing the clearance between mould 1 and lower mould 5 because of the existence of the locating plate, influence the smooth going on of injection molding. Positioning mechanism's setting utilizes the cooperation between reference column 27, locating plate, the positioning groove to realized going up the relative position between mould 1, drawing of patterns frame 4, the lower mould 5 three and fix a position, avoided arbitrary one of the three phenomenon that the skew appears, and influenced holistic injection molding.
The two sides of the demoulding frame 4 in the long axis direction are also provided with demoulding hook groups, each group of demoulding hook groups consists of a pair of demoulding hooks 2 which are distributed in parallel in the width direction of the demoulding frame 4, and the demoulding hooks 2 are fixedly hung on the demoulding frame 4 through the matching of the movable block 3.
Demoulding hook 2 includes a demoulding hook main part, and this demoulding hook main part is the cuboid form, has a cavity that holds the plug of insulator and place in the demoulding hook main part, has an opening that communicates with the cavity at the upside end of demoulding hook main part simultaneously, and the cavity comprises upper plenum, lower cavity jointly to the horizontal plane at the bottom extreme point place of the opening of demoulding hook main part is the reference surface, and what be located the reference surface top is the upper plenum, is located the reference surface below cavity down, the upper plenum is a cuboid cavity, and lower cavity is right angle trapezoidal form cavity, and the upper base of cavity is greater than lower in the bottom down, and the hypotenuse of lower cavity is close to the opening side of demoulding hook main part. For the design of the shape of the demoulding hook 2, the rectangular upper cavity, the right trapezoid lower cavity and the opening of the upper side end are matched, so that the insulator core rod is conveniently embedded.
The connection between drawing of patterns hook 2, movable block 3, drawing of patterns frame 4 is: the movable block 3 is rectangular form, and 3 one sides of movable block are passed through the bolt fastening and are being taken off the mould frame 4, have the several on the movable block 3 along the long axis direction distribution of movable block 3 hold the T shape counter bore that the bolt passed, have bolt matched with screw thread blind hole on drawing of patterns frame 4, and the opposite side level of movable block 3 extends to 5 directions of lower mould, and the bottom snap-on of drawing of patterns hook 2 is on the up end that the movable block 3 is close to 5 one sides of lower mould.
The working principle is as follows: when demoulding is carried out, the upper hydraulic cylinder drives the upper die 1 to ascend, the lower hydraulic cylinder drives the lower die 5 to descend for demoulding, and when demoulding, along with the separation of the upper die 1 and the lower die 5, the force applied to the first return spring 14 and the second return spring 24 disappears, so that under the elastic action of the first return spring 14 and the second return spring 24, the first forming block 11 is ejected downwards, the second forming block 21 is ejected upwards, the shed and the core rod are ejected from the shed cavity and the core rod cavity, active demoulding is realized, the bonding phenomenon is avoided, when the lower die 5 descends, the middle die support 45 also descends along with the lower die 5 synchronously, the demoulding frame 4 is driven to descend, the demoulding frame 4 descends downwards, the demoulding hook 2 is driven to hook the core rod of the insulator, the insulator is separated from the upper die 1, after the lower die 5 descends in place, the lifting cylinder 47 drives the demoulding frame 4 to ascend, the demoulding hook 2 drives the core rod to hook the insulator, the insulator and the insulator is separated from the lower die 5 synchronously ascends, the insulator is separated from the upper die frame 5, and the lower die frame 5 moves horizontally, and the insulator is pulled horizontally, and the demoulding frame is finally, and the insulator is pulled horizontally taken out, so that the insulator is separated from the upper die frame 5 and the insulator is conveniently.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a compound insulator is drawing of patterns system for injection which characterized in that: comprises that
The upper die and the lower die are distributed up and down and are matched for use, and a material injection hole is formed in the top of the upper die;
a demoulding frame is arranged between the upper die and the lower die, an inner cavity for the upper die or the lower die to pass through is formed in the demoulding frame, so that the whole demoulding frame forms a square structure, and the demoulding frame is driven by a lifting horizontal driving mechanism to enter between the upper die and the lower die or move out of between the upper die and the lower die;
both sides of the demoulding frame in the long axis direction are provided with demoulding hook groups, each group of demoulding hook groups consists of a pair of demoulding hooks which are distributed in parallel, and the demoulding hooks are fixedly hung on the demoulding frame through the matching of the movable blocks;
the demolding hook comprises a demolding hook main body, the demolding hook main body is in a cuboid shape, a cavity for accommodating a core rod of an insulator is arranged in the demolding hook main body, an opening communicated with the cavity is formed in the upper side end of the demolding hook main body, the cavity is composed of an upper cavity and a lower cavity, the horizontal plane where the bottom end point of the opening of the demolding hook main body is located is taken as a reference plane, the upper cavity is located above the reference plane, the lower cavity is located below the reference plane, the upper cavity is a cuboid cavity, the lower cavity is a right-angle trapezoid cavity, the upper bottom of the lower cavity is larger than the lower bottom of the lower cavity, and the oblique edge of the lower cavity is close to the opening side of the demolding hook main body;
the bottom end of the upper die is provided with a first cavity extending along the long axis direction of the upper die, a plurality of first molding blocks distributed in parallel are filled in the first cavity along the long axis direction of the upper die, the middle position of the bottom end of each first molding block is provided with a semicircular first cavity, a semicircular second cavity is arranged between the adjacent first molding blocks, the end parts of two sides of the bottom end of the upper die are also provided with semicircular grooves communicated with the first cavities, the upper end of the lower die is provided with a second cavity extending along the long axis direction of the lower die, a plurality of second molding blocks distributed in parallel are filled in the second cavity along the long axis direction of the lower die, the middle position of the upper end of each second molding block is provided with a semicircular third cavity, a semicircular fourth cavity is arranged between the adjacent second molding blocks, the first cavities of all the first molding blocks on the upper die and the third cavities of all the second molding blocks on the lower die form a core rod cavity together, and the fourth cavities between the second cavities of all the first molding blocks on the upper die and the second molding blocks on the lower die form an umbrella skirt cavity together;
in each first forming block, at least one first forming block is movably matched with the upper die at the positions of two sides and the middle part of the first cavity, the other first forming blocks are fixedly connected with the upper die, and the movable matching between the first forming blocks and the upper die is as follows: the upper die is provided with a first through hole corresponding to the first forming block, the first through hole is I-shaped, the upper end of the first through hole extends out of the top end of the upper die, the bottom end of the first through hole is communicated with the first cavity, the upper end of the first through hole is provided with a first fixed block, the bottom end of the first through hole is provided with a first movable block, the bottom end of the first movable block is fixed with the first forming block, and the upper end of the first movable block is connected with the first fixed block through a first return spring;
in each second forming block, at least one second forming block is movably matched with the lower die at the positions of two sides and the middle part of the second cavity, the rest second forming blocks are fixedly connected with the lower die, and the movable matching between the second forming blocks and the lower die is as follows: a second through hole corresponding to the second forming block is arranged on the lower die, the second through hole is I-shaped, the bottom end of the second through hole extends out of the bottom end of the lower die, the top end of the second through hole is communicated with the second cavity, a second fixed block is arranged at the bottom end of the second through hole, a second movable block is arranged at the upper end of the second through hole, the top end of the second movable block is fixed with the second forming block, and the bottom end of the second movable block is connected with the second fixed block through a second return spring;
the lifting horizontal driving mechanism comprises: the demolding frame is the mouth style of calligraphy structure that constitutes jointly by a pair of horizontal pole, a pair of vertical pole, the demolding frame supports on a well mould support, and well mould support is fixed mutually with the lower mould to reciprocate along with the lower mould, be provided with a pair of horizontal migration guide rail in the upper end of well mould support, install a lift frame in the outside of demolding frame, the demolding frame carries out the oscilaltion by the lift jar drive of installing on the lift frame, still installs the horizontal migration gyro wheel that carries out reciprocating motion along the horizontal migration guide rail in the outside of lift frame, the lift frame carries out reciprocating motion along the horizontal migration guide rail by a horizontal drive jar drive to drive the demolding frame and carry out horizontal migration.
2. The demolding system for composite insulator injection according to claim 1, wherein: the installation between lift frame and the horizontal migration gyro wheel does: the horizontal migration gyro wheel includes ball bearing, circular limiting plate, adapter sleeve, and ball bearing, circular limiting plate fix in proper order in the outside of adapter sleeve, and the size of circular limiting plate is greater than ball bearing's size, still has the connecting axle of outside extension in the outside of lift frame, and the adapter sleeve suit is in the outside of connecting axle to through bolt locking fixation, ball bearing supports on the guide rail.
3. The demolding system for composite insulator injection according to claim 1, wherein: still be provided with a positioning mechanism between last mould, lower mould, the drawing of patterns frame, positioning mechanism is: the upper surface of the lower die is provided with four positioning columns which are vertically distributed upwards, the bottom end of the upper die is provided with positioning grooves for accommodating the positioning columns to be inserted in a one-to-one correspondence manner, the inner wall of the demolding frame is also provided with a positioning plate extending towards the direction of the positioning columns, and the positioning plate is provided with through holes for accommodating the positioning columns to penetrate through.
4. The demolding system for composite insulator injection according to claim 1, wherein: the connection among the demoulding hook, the movable block and the demoulding frame is as follows: one side of the movable block is fixed on the demoulding frame through a bolt, the other side of the movable block horizontally extends towards the lower mould, and the bottom end of the demoulding hook is directly fixed on the upper end surface of the movable block close to one side of the lower mould.
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