CN113263700A - Deep barb demolding mechanism for side edge of injection mold - Google Patents
Deep barb demolding mechanism for side edge of injection mold Download PDFInfo
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- CN113263700A CN113263700A CN202110542130.8A CN202110542130A CN113263700A CN 113263700 A CN113263700 A CN 113263700A CN 202110542130 A CN202110542130 A CN 202110542130A CN 113263700 A CN113263700 A CN 113263700A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 238000002347 injection Methods 0.000 title claims abstract description 35
- 239000007924 injection Substances 0.000 title claims abstract description 35
- 239000000919 ceramic Substances 0.000 claims abstract description 23
- 238000001746 injection moulding Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000002457 bidirectional effect Effects 0.000 claims abstract 2
- 230000006698 induction Effects 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 26
- 230000008569 process Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 12
- 238000000465 moulding Methods 0.000 description 8
- 238000000605 extraction Methods 0.000 description 7
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- 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
- B29C45/401—Ejector pin constructions or mountings
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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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
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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
- B29C2045/4042—Ejector constructions; Ejector operating mechanisms driven by rack and pinion means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of injection molds, and particularly relates to a deep barb demolding mechanism for the side edge of an injection mold, which comprises a base, wherein the base is movably connected with a lower mold base, the lower mold base assists an upper mold base to carry out mold closing and injection molding work on the deep barb mold, the base is rotatably connected with a supporting rod, one end of the supporting rod is in threaded connection with the lower mold base to realize mold closing and demolding work of the lower mold base and the upper mold base, the other end of the supporting rod is in threaded connection with a top plate, and the top plate carries out ejection demolding work on the deep barb mold through the supporting rod. According to the invention, the supporting rods with the bidirectional threads are arranged, so that the die can simultaneously perform demoulding of the upper die base and the lower die base and ejection demoulding of the deep barb die in the demoulding process, the core pulling block can be ejected out by the transmission mechanism in the demoulding process of the lower die base, the demoulding effect of the deep barb die is improved, and the core pulling block can pull the ceramic electric sheet to magnetically attract and withdraw the movable block in the ejection process, so that the demoulding work of the deep barb die is facilitated.
Description
Technical Field
The invention belongs to the technical field of injection molds, and particularly relates to a deep barb demolding mechanism for a side edge of an injection mold.
Background
Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like. However, with the continuous expansion and popularization of the application field of plastic products, the injection mold still has some defects and needs to be perfected urgently in the actual production process.
Among the prior art, the dark barb of injection mold side leads to the unable normal disposable drawing of patterns work of carrying out of mould because of the existence of its barb, reduces the efficiency of moulding plastics of mould, in order to guarantee the integrality of plastic products barb simultaneously, often needs the staff to spend certain time and energy to adjust the position of barb department core pulling block, increases staff's intensity of labour, reduces plastic products's production efficiency.
Therefore, we propose a lateral deep barb demoulding mechanism of the injection mould to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides a side deep barb demolding mechanism of an injection mold, which has a rapid demolding effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a deep barb demoulding mechanism on the side of an injection mould comprises a base, wherein the base is movably connected with a lower die holder, the lower die base assists the upper die base to carry out die assembly and injection molding work on the deep barb die, the base is rotatably connected with a supporting rod, one end of the supporting rod is in threaded connection with the lower die holder to realize the die assembly and the die disassembly of the lower die holder and the upper die holder, the other end of the supporting rod is in threaded connection with a top plate, the top plate performs ejection and demoulding operation on the deep barb mould through the supporting rod, the lower die holder is connected with a plurality of groups of core-pulling blocks in a sliding way, the core-pulling blocks and the deep barb die work in a matching way, the lower die holder is provided with a movable block close to one group of the core-pulling blocks, the movable block is ejected through an induction device and matched with the core-pulling block to perform injection molding on the deep barb die, and the core-pulling block performs auxiliary ejection work on the deep barb die through a transmission mechanism along with the lifting of the lower die holder.
In foretell injection mold side deep barb demoulding mechanism, the base rotates and is connected with the actuating lever, the both ends that the actuating lever is close to the bracing piece all adopt the worm structure, the actuating lever passes through the worm wheel and the bracing piece meshing is connected.
In the deep barb demoulding mechanism on the side edge of the injection mould, the lower die holder is movably connected with the base through the buffer spring, a screw hole is formed in one end, close to the buffer spring, of the lower die holder, and the support rod is in threaded connection with the screw hole.
In the deep barb demolding mechanism for the side edge of the injection mold, the supporting rod is provided with two-way threads, one end of the supporting rod is in threaded connection with the screw hole, the top plate is fixedly connected with the sleeve, and the other end of the supporting rod is in threaded connection with the sleeve.
In the deep barb demoulding mechanism on the side edge of the injection mould, the lower die holder is symmetrically provided with the placing groove, the placing groove is fixedly connected with the limiting block, the sleeve is provided with the limiting groove, and the limiting block is connected with the limiting groove in a sliding manner.
In the dark barb demoulding mechanism of foretell injection mold side, dark barb mould is equipped with multiunit sand grip and barb, and wherein a set of the core-pulling piece is equipped with the bar groove, sand grip and bar groove cooperation setting, another group the core-pulling piece is equipped with the barb groove, barb and barb groove cooperation setting, the core-pulling piece all is through locating lever and die holder sliding connection.
In the deep barb demolding mechanism for the side edge of the injection mold, the movable block is connected to one end, close to the barb groove, of the lower mold base in a sliding mode through the telescopic rod, an inclined plane is arranged at one end, close to the barb groove, of the movable block, and the inclination angle of the inclined plane is consistent with the inclination angle of the barb.
In the deep barb demoulding mechanism on the side edge of the injection mould, the induction device comprises a ceramic electric sheet and an electric magnetic ring, one end of the ceramic electric sheet is movably connected with the positioning rod through a tension spring, the other end of the ceramic electric sheet is electrically connected with the electromagnetic ring, the electric magnetic ring is fixedly connected with the telescopic rod, a magnetic block is arranged at one end, close to the telescopic rod, of the movable block, and the magnetic block and the electromagnetic ring are arranged in a matched mode.
In the deep barb demoulding mechanism on the side edge of the injection mould, the transmission mechanism comprises a driving bevel gear and a driven bevel gear which are meshed with each other, the driving bevel gear is fixedly connected with a gear sleeve, the gear sleeve is rotatably connected with the base through a screw rod, the positioning rod is fixedly connected with a rack, and the driven bevel gear is meshed with the rack through a gear.
The invention has the beneficial effects that:
through the bracing piece that sets up two-way screw thread for the drawing of patterns of upper and lower die holder and the ejecting drawing of patterns work of dark barb mould can be carried out simultaneously to the mould at drawing of patterns in-process, and meanwhile drive mechanism can ejecting loose core piece at the in-process of lower die holder drawing of patterns, improves the drawing of patterns effect of dark barb mould, and the piece of loosing core can stimulate the ceramic electric sheet at ejecting in-process and make the movable block withdraw under the magnetic action, the drawing of patterns work of the dark barb mould of being convenient for.
When the device uses, drive the actuating lever through drive equipment such as motors and rotate, the actuating lever rotates the in-process and drives the bracing piece through the worm wheel and rotate, and the one end of bracing piece drives the die holder through the screw and rises the action this moment, and the other end of bracing piece drives roof and standing groove through the sleeve and slides and withdraw specific slip process: the limiting block in the placing groove and the limiting groove at the edge of the sleeve slide, so that the phenomenon that the sleeve and the supporting rod rotate together is avoided.
The die assembling process that rises of die holder, the screw rod passes through the tooth cover and drives the drive bevel gear and rotate, and the driven bevel gear that drive bevel gear connects through the meshing drives the gear and rotates, and the gear drives the locating lever through the rack and slides down, realizes withdrawing of core pulling block, and the pottery electric plate does not produce the electric current this moment, and the movable block pops out and core pulling block cooperation under the effect of telescopic link.
After the lower die base and the upper die base complete die assembly work, the core pulling block is subjected to injection molding work, the raised strips of the deep barb die are formed in the strip-shaped grooves of the core pulling block, the barbs of the deep barb die are formed in the barb grooves of the core pulling block, after the forming work of the deep barb die is completed, the driving rod is driven to rotate reversely by the driving equipment, the driving rod drives the lower die base to descend by the supporting rod for demolding work, at the moment, the top plate is ejected reversely by the sleeve, the core pulling block is ejected by the auxiliary top plate under the action of the transmission mechanism, the demolding work of the deep barb die is realized, the ceramic electric sheet is pulled by the positioning rod through the extension spring in the ejection process of the core pulling block, the ceramic electric sheet generates instantaneous current to connect a circuit between the electric magnetic ring and the power supply, the electromagnetic ring generates magnetic force to carry out magnetic attraction action on the magnetic block, so that the movable block is retracted, and the collision and blocking phenomenon of the movable block in the ejection process is avoided, and finishing the demoulding work of the deep barb mould.
The invention has the outstanding characteristics that:
the mode that adopts the fixed die holder of upper die base to go up and down the activity carries out compound die, drawing of patterns work, and the die holder realizes the ejecting stripping of roof and loose core piece through the transmission at the lift in-process, improves the drawing of patterns efficiency of dark barb mould, and the movable block that supplementary barb carried out the work of moulding plastics simultaneously is along with the activity of taking out the core piece exert the effect to ceramic electric plate, and then carries out magnetism to the movable block and withdraw and pop out the action, the drawing of patterns and the work of moulding plastics of the dark barb mould of being convenient for.
Drawings
FIG. 1 is a schematic structural diagram of a lateral deep barb demolding mechanism of an injection mold according to the present invention;
FIG. 2 is a schematic structural view of a deep barb mold in the lateral deep barb demolding mechanism of the injection mold provided by the invention;
FIG. 3 is a schematic structural diagram of a top plate in the lateral deep barb demolding mechanism of the injection mold according to the present invention;
FIG. 4 is a schematic view of a connection structure of a transmission mechanism and a core-pulling block in the deep barb demolding mechanism at the side of the injection mold provided by the invention;
fig. 5 is a schematic structural diagram of a movable block in the injection mold lateral deep barb demolding mechanism provided by the invention.
In the figure: the device comprises a base 1, a driving rod 11, a lower die holder 2, a buffer spring 21, a screw hole 22, a placing groove 23, a limiting block 24, a deep barb die 3, a convex strip 31, a barb 32, a supporting rod 4, a worm wheel 41, a top plate 5, a sleeve 51, a limiting groove 52, a core-pulling block 6, a strip-shaped groove 61, a barb groove 62, a positioning rod 63, a rack 64, a movable block 7, a telescopic rod 71, a magnet 72, an induction device 8, a ceramic electric sheet 81, an electromagnetic ring 82, an extension spring 83, a transmission mechanism 9, a driving bevel gear 91, a driven bevel gear 92, a gear sleeve 93, a screw rod 94 and a gear 95.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 5, the injection mold side deep barb demolding mechanism comprises a base 1, wherein the base 1 is movably connected with a lower die base 2, the lower die base 2 assists an upper die base to perform die assembly and injection molding work on a deep barb mold 3, and it should be noted that the invention adopts a mode that the upper die base fixes the lower die base 2 to move to perform die assembly and demolding work on the mold so as to improve the production and processing efficiency of the deep barb mold 3.
One end of the supporting rod 4 is in threaded connection with the lower die base 2, so that die assembly and demolding of the lower die base 2 and the upper die base are achieved, it needs to be explained that the lower die base 2 is movably connected with the base 1 through the buffer spring 21, the load of the supporting rod 4 on the lower die base 2 is reduced, one end, close to the buffer spring 21, of the lower die base 2 is provided with a screw hole 22, and the supporting rod 4 is in threaded connection with the screw hole 22.
The other end threaded connection of bracing piece 4 has roof 5, and roof 5 carries out ejecting drawing of patterns work to dark barb mould 3 through bracing piece 4, and it needs to notice that bracing piece 4 is equipped with two-way screw, the one end and the screw 22 threaded connection of bracing piece 4, and 5 fixedly connected with sleeves 51 of roof, the other end and the sleeve 51 threaded connection of bracing piece 4. The lower die holder 2 is symmetrically provided with a placing groove 23, the placing groove 23 is fixedly connected with a limiting block 24, the sleeve 51 is provided with a limiting groove 52, and the limiting block 24 is connected with the limiting groove 52 in a sliding manner.
When the device uses, drive actuating lever 11 through drive equipment such as motors and rotate, actuating lever 11 rotates the in-process and drives bracing piece 4 through worm wheel 41 and rotate, and the one end of bracing piece 4 drives die holder 2 through screw 22 and rises the action this moment, and the other end of bracing piece 4 drives roof 5 and standing groove 23 through sleeve 51 and slides and withdraw specific slip process: the limiting block 24 in the placing groove 23 and the limiting groove 52 at the edge of the sleeve 51 slide to avoid the phenomenon that the sleeve 51 and the support rod 4 rotate together.
The movable block 7 is ejected through the induction device 8, and is matched with the core-pulling block 6 to perform injection molding work on the deep barb mold 3, it should be noted that the induction device 8 comprises a ceramic electric sheet 81 and an electromagnetic ring 82, one end of the ceramic electric sheet 81 is movably connected with the positioning rod 63 through an extension spring 83, the other end of the ceramic electric sheet 81 is electrically connected with the electromagnetic ring 82, the electromagnetic ring 82 is fixedly connected with the telescopic rod 71, one end of the movable block 7 close to the telescopic rod 71 is provided with a magnetic block 72, and the magnetic block 72 is matched with the electromagnetic ring 82, when the core back block 6 acts, the positioning rod 63 pulls the ceramic electric piece 81 through the extension spring 83, so that the ceramic electric sheet 81 generates instantaneous current to connect the circuit between the electromagnetic ring 82 and the power supply, the electromagnetic ring 82 generates magnetic force to magnetically attract the magnetic block 72, the movable block 7 is retracted, and the phenomenon that the core-pulling block 6 collides with the movable block 7 and is clamped in the ejection process is avoided.
The core-pulling block 6 is used for assisting ejection work, a specific ejection process, of the deep barb die 3 through the transmission mechanism 9 along with the lifting of the lower die holder 2: drive mechanism 9 includes intermeshing's initiative bevel gear 91 and driven bevel gear 92, initiative bevel gear 91 fixedly connected with tooth cover 93, the tooth cover passes through the bearing and the die holder rotates to be connected, tooth cover 93 rotates through screw rod 94 and base 1 to be connected, it needs to notice, the one end and the base 1 fixed connection of screw rod 94, screw hole and tooth cover 93 threaded connection are passed through to the other end of screw rod 94, make die holder 2 drive initiative bevel gear 91 through screw rod 94 at the in-process that rises and rotate, locating lever 63 fixedly connected with rack 64, driven bevel gear 92 passes through guide arm 1 fixedly connected with gear 95, gear 95 and rack 64 meshing connection, realize the lift action of locating lever 63.
In the process of lifting and closing the mold of the lower mold base 2, the screw 94 drives the driving bevel gear 91 to rotate through the gear sleeve 93, the driving bevel gear 91 drives the gear 95 to rotate through the driven bevel gear 92 connected in a meshed mode, the gear 95 drives the positioning rod 63 to slide downwards through the rack 64, the withdrawing of the core pulling block 6 is achieved, the ceramic electric sheet 81 does not generate current at the moment, and the movable block 7 pops out and is matched with the core pulling block 6 under the action of the telescopic rod 71.
After the lower die holder 2 and the upper die holder complete die assembly, the core pulling block 6 is subjected to injection molding, the convex strip 31 of the deep barb die 3 is formed in the strip-shaped groove 61 of the core pulling block 6, the barb 32 of the deep barb die 3 is formed in the barb groove 62 of the core pulling block 6, after the molding of the deep barb die 3 is completed, the driving rod 11 is driven by driving equipment to rotate reversely, the driving rod 11 drives the lower die holder 2 to descend through the supporting rod 4 for demolding, at the moment, the top plate 5 is reversely ejected through the sleeve 51, the core pulling block 6 is subjected to ejection of the auxiliary top plate 5 under the action of the transmission mechanism 9, the demolding of the deep barb die 3 is realized, the ceramic electric sheet 81 is pulled by the positioning rod 63 through the stretching spring 83 in the ejection process of the core pulling block 6, so that the ceramic electric sheet 81 generates instantaneous current to connect a circuit between the electric magnetic ring 82 and a power supply, the electromagnetic ring 82 generates magnetic force to magnetically attract the magnetic block 72, the movable block 7 is retracted, the phenomenon that the core pulling block 6 collides and is clamped with the movable block 7 in the ejection process is avoided, and the demolding work of the deep barb mold 3 is completed.
The operating principle of the present invention will now be described as follows:
when the device uses, drive actuating lever 11 through drive equipment such as motors and rotate, actuating lever 11 rotates the in-process and drives bracing piece 4 through worm wheel 41 and rotate, and the one end of bracing piece 4 drives die holder 2 through screw 22 and rises the action this moment, and the other end of bracing piece 4 drives roof 5 and standing groove 23 through sleeve 51 and slides and withdraw specific slip process: the limiting block 24 in the placing groove 23 and the limiting groove 52 at the edge of the sleeve 51 slide to avoid the phenomenon that the sleeve 51 and the support rod 4 rotate together.
In the process of lifting and closing the mold of the lower mold base 2, the screw 94 drives the driving bevel gear 91 to rotate through the gear sleeve 93, the driving bevel gear 91 drives the gear 95 to rotate through the driven bevel gear 92 connected in a meshed mode, the gear 95 drives the positioning rod 63 to slide downwards through the rack 64, the withdrawing of the core pulling block 6 is achieved, the ceramic electric sheet 81 does not generate current at the moment, and the movable block 7 pops out and is matched with the core pulling block 6 under the action of the telescopic rod 71.
After the lower die holder 2 and the upper die holder complete die assembly, the core pulling block 6 is subjected to injection molding, the convex strip 31 of the deep barb die 3 is formed in the strip-shaped groove 61 of the core pulling block 6, the barb 32 of the deep barb die 3 is formed in the barb groove 62 of the core pulling block 6, after the molding of the deep barb die 3 is completed, the driving rod 11 is driven by driving equipment to rotate reversely, the driving rod 11 drives the lower die holder 2 to descend through the supporting rod 4 for demolding, at the moment, the top plate 5 is reversely ejected through the sleeve 51, the core pulling block 6 is subjected to ejection of the auxiliary top plate 5 under the action of the transmission mechanism 9, the demolding of the deep barb die 3 is realized, the ceramic electric sheet 81 is pulled by the positioning rod 63 through the stretching spring 83 in the ejection process of the core pulling block 6, so that the ceramic electric sheet 81 generates instantaneous current to connect a circuit between the electric magnetic ring 82 and a power supply, the electromagnetic ring 82 generates magnetic force to magnetically attract the magnetic block 72, the movable block 7 is retracted, the phenomenon that the core pulling block 6 collides and is clamped with the movable block 7 in the ejection process is avoided, and the demolding work of the deep barb mold 3 is completed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides an injection mold side deep barb demoulding mechanism, includes base (1), its characterized in that, base (1) swing joint has die holder (2), die holder (2) are assisted the upper die base and are carried out compound die injection molding work to deep barb mould (3), base (1) rotates and is connected with bracing piece (4), the one end and the die holder (2) threaded connection of bracing piece (4) realize the compound die of die holder (2) and upper die base, drawing of patterns work, the other end threaded connection of bracing piece (4) has roof (5), roof (5) carry out ejecting drawing of patterns work through bracing piece (4) to deep barb mould (3), die holder (2) sliding connection has multiunit core (6) of taking out, core (6) and deep barb mould (3) cooperation work, die holder (2) are close to one of them group core (6) and are equipped with movable block (7), the movable block (7) is ejected through the sensing device (8), injection molding work is carried out on the deep barb die (3) through the cooperation of the core-pulling block (6), and the core-pulling block (6) carries out auxiliary ejection work on the deep barb die (3) through the transmission mechanism (9) along with the lifting of the lower die holder (2).
2. The injection mold side deep barb demolding mechanism according to claim 1, wherein the base (1) is rotatably connected with a driving rod (11), two ends of the driving rod (11) close to the supporting rod (4) are both of worm structures, and the driving rod (11) is meshed with the supporting rod (4) through a worm wheel (41).
3. The deep barb demolding mechanism for the side edge of the injection mold as claimed in claim 1, wherein the lower mold base (2) is movably connected with the base (1) through a buffer spring (21), a screw hole (22) is formed in one end, close to the buffer spring (21), of the lower mold base (2), and the support rod (4) is in threaded connection with the screw hole (22).
4. An injection mold side deep barb demoulding mechanism according to claim 3, characterized in that the support rod (4) is provided with a bidirectional screw thread, one end of the support rod (4) is in screw thread connection with the screw hole (22), the top plate (5) is fixedly connected with a sleeve (51), and the other end of the support rod (4) is in screw thread connection with the sleeve (51).
5. The deep barb demolding mechanism for the side edge of the injection mold as claimed in claim 4, wherein the lower mold base (2) is symmetrically provided with a placing groove (23), the placing groove (23) is fixedly connected with a limiting block (24), the sleeve (51) is provided with a limiting groove (52), and the limiting block (24) is slidably connected with the limiting groove (52).
6. The injection mold side deep barb demolding mechanism according to claim 1, wherein the deep barb mold (3) is provided with a plurality of groups of protruding strips (31) and barbs (32), one group of the core pulling blocks (6) is provided with strip-shaped grooves (61), the protruding strips (31) and the strip-shaped grooves (61) are arranged in a matched mode, the other group of the core pulling blocks (6) is provided with barb grooves (62), the barbs (32) and the barb grooves (62) are arranged in a matched mode, and the core pulling blocks (6) are connected with the lower mold base (2) in a sliding mode through positioning rods (63).
7. The injection mold side deep barb demolding mechanism according to claim 6, characterized in that the movable block (7) is slidably connected to one end of the lower mold base (2) close to the barb groove (62) through a telescopic rod (71), one end of the movable block (7) close to the barb groove (62) is provided with an inclined surface, and the inclination angle of the inclined surface is consistent with the inclined hook surface angle of the barb (32).
8. The lateral deep barb demolding mechanism for the injection mold as claimed in claim 7, wherein the induction device (8) comprises a ceramic electric sheet (81) and an electromagnetic ring (82), one end of the ceramic electric sheet (81) is movably connected with the positioning rod (63) through a tension spring (83), the other end of the ceramic electric sheet (81) is electrically connected with the electromagnetic ring (82), the electromagnetic ring (82) is fixedly connected with the telescopic rod (71), one end of the movable block (7) close to the telescopic rod (71) is provided with a magnetic block (72), and the magnetic block (72) and the electromagnetic ring (82) are arranged in a matched mode.
9. The injection mold side deep barb demolding mechanism according to claim 6, wherein the transmission mechanism (9) comprises a driving bevel gear (91) and a driven bevel gear (92) which are meshed with each other, the driving bevel gear (91) is fixedly connected with a gear sleeve (93), the gear sleeve (93) is rotatably connected with the base (1) through a screw (94), the positioning rod (63) is fixedly connected with a rack (64), and the driven bevel gear (92) is meshed with the rack (64) through a gear (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110542130.8A CN113263700A (en) | 2021-05-18 | 2021-05-18 | Deep barb demolding mechanism for side edge of injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110542130.8A CN113263700A (en) | 2021-05-18 | 2021-05-18 | Deep barb demolding mechanism for side edge of injection mold |
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| CN113263700A true CN113263700A (en) | 2021-08-17 |
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| CN202110542130.8A Pending CN113263700A (en) | 2021-05-18 | 2021-05-18 | Deep barb demolding mechanism for side edge of injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670398A (en) * | 2022-03-07 | 2022-06-28 | 新谱（广州）电子有限公司 | Backlight source rubber frame injection mold and injection molding method |
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2021
- 2021-05-18 CN CN202110542130.8A patent/CN113263700A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670398A (en) * | 2022-03-07 | 2022-06-28 | 新谱（广州）电子有限公司 | Backlight source rubber frame injection mold and injection molding method |
| CN114670398B (en) * | 2022-03-07 | 2023-08-08 | 新谱（广州）电子有限公司 | Backlight source rubber frame injection mold and injection molding method |
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Application publication date: 20210817 |