CN115972503A - Injection mold is used in automobile parts production - Google Patents
Injection mold is used in automobile parts production Download PDFInfo
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- CN115972503A CN115972503A CN202211540328.3A CN202211540328A CN115972503A CN 115972503 A CN115972503 A CN 115972503A CN 202211540328 A CN202211540328 A CN 202211540328A CN 115972503 A CN115972503 A CN 115972503A
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- 238000002347 injection Methods 0.000 title claims abstract description 59
- 239000007924 injection Substances 0.000 title claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000001746 injection moulding Methods 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 239000003292 glue Substances 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000000670 limiting effect Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold for producing automobile parts, which comprises an upper mold and a lower mold, wherein the upper mold and the lower mold are connected through a guide assembly, a mold core is arranged at one end of the bottom of the upper mold, a mold cavity is arranged at one end of the top of the lower mold, an anti-glue overflow mechanism for preventing excessive injection liquid from overflowing is arranged in the lower mold, and a mold closing auxiliary mechanism matched with the anti-glue overflow mechanism for use is arranged between the upper mold and the lower mold. According to the invention, through arranging the glue overflow prevention mechanism, the injection molding liquid can be temporarily extracted and stored when the injection molding liquid in the mold is too much, the recycling of the redundant injection molding liquid can be realized, the injection molding liquid is stored in the heating pipe, the temperature of the extracted injection molding liquid can be effectively prevented from being reduced when the injection mold is cooled by using the cooling assembly, and the recycling effect of the redundant injection molding liquid can be effectively ensured.
Description
Technical Field
The invention belongs to the technical field of production and injection molding of automobile parts, and particularly relates to an injection mold for production of automobile parts.
Background
Automobile parts are used as the basis of the automobile industry, are necessary factors for supporting the continuous and healthy development of the automobile industry, particularly, a strong part system is needed to be used for supporting the autonomous development and innovation which are vigorously and feasibly developed in the current automobile industry, and most of the existing automobile parts are produced by injection molding, so that an injection mold is needed.
When the existing injection mold is used, an upper mold set and a lower mold combined mold are generally firstly used, then injection molding of injection molding liquid is carried out, and during actual production, as the mold mostly does not have an anti-overflow glue mechanism, when the injection molding liquid in the mold is too much, the injection molding liquid is easy to overflow, the stability of mold closing is influenced, the injection molding quality of the mold is reduced, and the waste of the injection molding liquid is easy to cause.
Therefore, it is necessary to provide an injection mold for producing automobile parts to solve the above problems.
Disclosure of Invention
In view of the above problems, the present invention provides an injection mold for producing automobile parts, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an injection mold is used in automobile parts production, includes mould and lower mould, go up and connect through the guide subassembly between the mould lower mould, and the bottom one end of going up the mould is provided with mould benevolence, and the top one end of lower mould is provided with the die cavity, the inside of lower mould is provided with and is used for preventing to mould plastics the too much anti-overflow gluey mechanism that appears of liquid and glues, go up and be provided with between mould and the lower mould and glue the compound die complementary unit that the mechanism cooperation was used with the anti-overflow.
Further, the guide subassembly includes the top dish of fixed connection in last mould top one end, and the top dish comprises a disc and four flanges of even fixed connection in the disc outside, the bottom one end of lower mould is through four connecting rod fixedly connected with chassis, the equal sliding connection in inside of four flanges has the locating lever, four in the top dish the bottom one end of locating lever all extend to the outside of top dish and respectively with chassis fixed connection, and four locating levers set up the four corners department on the chassis respectively.
Further, the glue overflow preventing mechanism comprises a pressure releasing hole formed in the lower die, the pressure releasing hole is formed in one end of the bottom of the lower die cavity, telescopic rods are symmetrically and fixedly connected to the inside of the pressure releasing hole, each of the two telescopic rods consists of a round pipe fixedly connected to the bottom of the inner wall of the pressure releasing hole and a round rod movably connected to the inside of the round pipe, one end of the top of the round rod in each telescopic rod is fixedly connected with the same pressure releasing plate, a pressure sensor is arranged below each pressure releasing plate, the pressure sensor is fixedly connected to the inside of the pressure releasing hole and arranged between the two telescopic rods, a first spring is arranged between the pressure sensor and the circular plate, and one end of the top of the first spring is fixedly connected with the circular plate.
Further, one side fixedly connected with heating pipe of lower mould, the fixed intercommunication of top one end of heating pipe has the return bend, the return bend is kept away from the one end and the fixed intercommunication of lower mould of heating pipe, the lower mould is close to one side of heating pipe and sets up the inclined hole that uses with the return bend cooperation, the inside sliding connection of heating pipe has the piston, the square pipe of bottom one end fixedly connected with of piston, and square pipe are the internal thread pipe, the internal rotation of square pipe is connected with the threaded rod, the top one end fixedly connected with motor on chassis, the output shaft one end and the threaded rod fixed connection of motor.
Furthermore, the auxiliary die assembly mechanism comprises four groups of T-shaped rods which are respectively and fixedly connected with the four sides of the lower die, the four groups of T-shaped rods respectively comprise a round rod and a disc which is fixedly connected with one end of the round rod far away from the lower die, the outer parts of the four groups of T-shaped plates are respectively and commonly connected with a clamping plate in a sliding way, the cross sections of the four clamping plates are U-shaped, the outer sides of the opposite ends of the upper die and the lower die are respectively and fixedly connected with a convex ring which is matched with the clamping plate for use, one sides of the four clamping plates far away from the lower die are respectively and symmetrically and fixedly connected with second springs, the four groups of second springs are respectively and movably sleeved outside the T-shaped rods, one end of the top plate is fixedly connected with a guide ring, the cross section of the guide ring is T-shaped, and the outer side of the guide ring is rotatably connected with a push ring, the utility model discloses a push ring, including push ring, cardboard, lower mould, push plate, push ring, upper plate, lower mould, push plate and lower mould, the push ring has four bellied discs by an outside to constitute, and four bulges in the push ring outside respectively with four protruding crisscross settings in the top dish outside, four the equal fixedly connected with T shaped plate in one side of lower mould is kept away from to the cardboard, the T shaped plate comprises the lug that square plate and fixed connection have the inclined plane in square plate bottom one end, and the inclined plane of lug all sets up in four T shaped plates in one side of keeping away from the lower mould, four the equal fixedly connected with in top one end of T shaped plate and the push rod that the push ring cooperation was used, the top one end fixed mounting of top dish has the hydraulic stem, the square frame of output shaft one end fixedly connected with of hydraulic stem, the inside sliding connection of square frame has the round pin, the bottom one end and the push ring fixed connection of round pin.
Further, symmetry fixedly connected with dead lever, two between chassis and the lower mould the common sliding connection in outside of dead lever has same U-shaped board, the outside of lower mould is provided with the lantern ring, and lantern ring fixed connection is in the top one end of U-shaped board, the even four flexible pipes of fixedly connected with in top one end of the lantern ring, and four flexible pipes comprise a pipe and the square pole that sliding connection has the disc inside the pipe respectively, four the inside of flexible pipe all is provided with the third spring, and the top one end of four third springs respectively with the flexible pipe in the disc fixed connection of square pole bottom one end, four the stopper that the equal fixedly connected with in top one end of flexible pipe used with the cooperation of boss in the T-shaped board, the stopper is right trapezoid, and the inclined plane setting in the stopper is parallel on the one side that is close to the lower mould and with the inclined plane on the boss in the T-shaped board.
Further, the bottom one end of lower mould is rotated and is connected with the gear, the bottom one end of pinion shaft and the outside of threaded rod are provided with a set of belt pulley that mutually supports and use jointly, and one of them belt pulley fixed connection is in the bottom one end of pinion shaft, another the fixed external connection of threaded rod of belt pulley, the bottom one end fixedly connected with T shape strip of lower mould, the outside sliding connection of T shape strip has the pinion rack with gear engagement, the pinion rack bottom is provided with the U-shaped cover, and U-shaped cover and pinion rack formula design as an organic whole, the inside of U-shaped cover is provided with the rack, the top one end of rack is through two fourth springs and U-shaped cover inner wall fixed connection, the bottom one end of lower mould rotates through the hanger plate and is connected with the ratchet with rack engagement, the external fixation of ratchet shaft cup joints the oval dish that uses with the U-shaped plate cooperation, and the oval dish setting between U-shaped plate and lower mould, the external fixation of ratchet shaft has cup jointed the one-way bearing, the top one end symmetry fixedly connected with extension spring of U-shaped plate, and two extension springs are respectively the outside that the movable cup joints at two dead levers, two top one end and lower mould fixed connection of extension spring.
Furthermore, the inside of going up the mould is provided with the hole of moulding plastics, the fixed intercommunication of top one end of going up the mould has the pipe of moulding plastics with the hole cooperation use of moulding plastics.
Furthermore, the two convex rings are respectively designed with the upper die and the lower die in an integrated mode, and the pressure relief hole is formed in the lowest position of the die cavity of the lower die.
The invention has the technical effects and advantages that:
1. the anti-glue-overflow mechanism is arranged, so that the injection liquid can be temporarily extracted and stored when the injection liquid in the mold is too much, the recycling of the redundant injection liquid can be realized, the injection liquid is stored in the heating pipe, the temperature of the extracted injection liquid can be effectively prevented from being reduced when the injection mold is cooled by using the cooling assembly, the recycling effect of the redundant injection liquid can be effectively ensured, and the injection effect of the mold can be ensured while the redundant injection liquid is recycled.
2. The mold closing auxiliary mechanism is arranged, so that the upper mold and the lower mold can be fixed together when the injection liquid in the mold cavity is excessive, the phenomenon that the upper mold is unstable in mold closing with the lower mold when the injection liquid in the mold cavity is excessive and the pressure is excessive is avoided, the mold closing auxiliary mechanism can be matched with the glue overflow prevention mechanism, the phenomenon that the injection liquid in the mold cavity is excessive and the glue overflow phenomenon is further avoided, burrs at the edge of an injection molding piece of an automobile part can be effectively reduced, and the injection molding quality of the injection mold is further improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 shows a front view of an embodiment of the present invention;
FIG. 2 shows a cross-sectional view of an embodiment of the present invention;
FIG. 3 shows a bottom cross-sectional view of a portion of the structure of an embodiment of the present invention;
FIG. 4 is a sectional plan view showing a partial structure of a mold clamping assist mechanism according to an embodiment of the present invention;
FIG. 5 is a partial sectional view showing the structure of a mold clamping assist mechanism according to an embodiment of the invention;
in the figure: 1. an upper die; 2. a lower die; 3. a guide assembly; 31. a top tray; 32. a chassis; 33. positioning a rod; 4. an anti-glue-overflow mechanism; 41. a pressure relief vent; 42. a telescopic rod; 43. releasing the pressure plate; 44. a pressure sensor; 45. a first spring; 46. heating a tube; 47. bending a pipe; 48. an inclined hole; 49. a piston; 50. a square tube; 51. a threaded rod; 52. a motor; 6. a mold clamping auxiliary mechanism; 61. a T-shaped rod; 62. clamping a plate; 63. a second spring; 64. a guide ring; 65. a push ring; 66. a T-shaped plate; 67. a push rod; 68. a hydraulic lever; 69. a square frame; 70. a round pin; 71. fixing the rod; 72. a U-shaped plate; 73. a collar; 74. a telescopic pipe; 75. a third spring; 76. a limiting block; 77. a gear; 78. a belt pulley; 79. t-shaped strips; 80. a toothed plate; 81. a U-shaped cover; 82. a rack; 83. a fourth spring; 84. a ratchet wheel; 85. an elliptical disk; 86. a tension spring; 87. a convex ring; 88. and a one-way bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention provides an injection mold for producing automobile parts, which comprises an upper mold 1 and a lower mold 2, wherein the upper mold 1 and the lower mold 2 are connected through a guide component 3, one end of the bottom of the upper mold 1 is provided with a mold core, one end of the top of the lower mold 2 is provided with a mold cavity, an anti-glue overflow mechanism 4 for preventing excessive injection liquid from overflowing is arranged in the lower mold 2, and a mold closing auxiliary mechanism 6 matched with the anti-glue overflow mechanism 4 for use is arranged between the upper mold 1 and the lower mold 2;
the guide assembly 3 comprises a top disc 31 fixedly connected to one end of the top of the upper die 1, the top disc 31 is composed of a disc and four convex plates uniformly and fixedly connected to the outer side of the disc, one end of the bottom of the lower die 2 is fixedly connected with a chassis 32 through four connecting rods, positioning rods 33 are slidably connected inside the four convex plates in the top disc 31, one ends of the bottoms of the four positioning rods 33 extend to the outer part of the top disc 31 and are fixedly connected with the chassis 32 respectively, and the four positioning rods 33 are arranged at four corners of the chassis 32 respectively;
the glue overflow preventing mechanism 4 comprises a pressure releasing hole 41 arranged inside the lower die 2, the pressure releasing hole 41 is arranged at one end of the bottom of a die cavity of the lower die 2, telescopic rods 42 are symmetrically and fixedly connected inside the pressure releasing hole 41, each of the two telescopic rods 42 consists of a round pipe fixedly connected to the bottom of the inner wall of the pressure releasing hole 41 and a round rod movably connected inside the round pipe, one end of the top of the round rod in the two telescopic rods 42 is fixedly connected with a same pressure releasing plate 43 together, a pressure sensor 44 is arranged below the pressure releasing plate 43, the pressure sensor 44 is fixedly connected inside the pressure releasing hole 41, the pressure sensor 44 is arranged between the two telescopic rods 42, a first spring 45 is arranged between the pressure sensor 44 and the round plate, and one end of the top of the first spring 45 is fixedly connected with the round plate;
a heating pipe 46 is fixedly connected to one side of the lower die 2, an elbow 47 is fixedly communicated with one end of the top of the heating pipe 46, one end, away from the heating pipe 46, of the elbow 47 is fixedly communicated with the lower die 2, an inclined hole 48 matched with the elbow 47 for use is formed in one side, close to the heating pipe 46, of the lower die 2, a piston 49 is connected to the inside of the heating pipe 46 in a sliding mode, a square pipe 50 is fixedly connected to one end of the bottom of the piston 49, the square pipe 50 is an internal threaded pipe, a threaded rod 51 is rotatably connected to the inside of the square pipe 50, a motor 52 is fixedly connected to one end of the top of the chassis 32, and one end of an output shaft of the motor 52 is fixedly connected with the threaded rod 51;
an injection hole is formed in the upper die 1, and an injection pipe matched with the injection hole is fixedly communicated with one end of the top of the upper die 1;
when the injection mold is used, the upper mold 1 moves downwards along the four positioning rods 33, is matched with the lower mold 2, and then is injected with injection molding liquid into a mold cavity through an injection molding pipe and an injection molding hole; when the injection liquid is too much and the cavity is filled with the injection liquid, the pressure in the cavity is increased by the redundant injection liquid, at this time, the redundant injection liquid pushes the pressure release plate 43 to move towards the inside of the pressure release hole 41 under the action of the pressure, and presses the first spring 45, so that the redundant injection liquid flows into the pressure release hole 41, meanwhile, the pressure of the first spring 45 against the pressure sensor 44 changes, when the pressure sensor 44 detects the change of the pressure, the motor 52 is turned on, the threaded rod 51 is driven to rotate inside the square tube 50 through the motor 52, the piston 49 is driven to move downwards inside the heating tube 46 through the square tube 50, so that the piston 49 sucks the redundant injection liquid in the cavity into the heating tube 46 through the inclined hole 48 and the bent tube 47, the heating tube 46 is used for heating and insulating the extracted injection liquid, so that the pressure in the cavity tends to a normal value, at this time, the pressure release plate 43 moves upwards and resets inside the pressure release hole 41 under the reset action of the first spring 45, and seals the pressure release hole 41 again;
when the mold is closed again for injection molding, the motor 52 rotates reversely, so that the motor 52 drives the threaded rod 51 to rotate, the square tube 50 pushes the piston 49 to move upwards in the heating tube 46, and the injection molding liquid temporarily stored in the heating tube 46 is injected into the mold cavity again through the bent tube 47 and the inclined hole 48 by the piston 49, so that the recycling of the injection molding liquid is realized;
according to the invention, the glue overflow preventing mechanism 4 is arranged, so that the injection liquid can be temporarily extracted and stored when the injection liquid in the mold is too much, the recycling of the redundant injection liquid can be realized, the injection liquid is stored in the heating pipe 46, the temperature of the extracted injection liquid can be effectively prevented from being reduced when the injection mold is cooled by using a cooling assembly, the recycling effect of the redundant injection liquid can be effectively ensured, and the injection effect of the mold can be ensured while the redundant injection liquid is recycled.
As shown in fig. 1-5, the auxiliary mold clamping mechanism 6 includes four sets of T-shaped rods 61 respectively fixedly connected to four sides of the lower mold 2, the four sets of T-shaped rods 61 respectively include a round rod and a circular disk fixedly connected to one end of the round rod away from the lower mold 2, the outer portions of the four sets of T-shaped plates 66 are respectively and commonly connected with a same clamping plate 62 in a sliding manner, the cross-sectional shapes of the four clamping plates 62 are all U-shaped, the outer sides of the opposite ends of the upper mold 1 and the lower mold 2 are respectively and fixedly connected with a convex ring 87 used in cooperation with the clamping plate 62, one sides of the four clamping plates 62 away from the lower mold 2 are respectively and symmetrically and fixedly connected with second springs 63, the four sets of second springs 63 are respectively and movably sleeved outside the T-shaped rods 61, one end of the top plate 31 is fixedly connected with a guide ring 64, the cross-sectional shape of the guide ring 64 is T-shaped, the outer side of the guide ring 64 is rotatably connected with a push ring 65, the push ring 65 is composed of a circular disc with four bulges at the outer side, the four bulges at the outer side of the push ring 65 are respectively arranged in a staggered manner with the four bulges at the outer side of the top disc 31, one sides of the four clamping plates 62 far away from the lower die 2 are fixedly connected with T-shaped plates 66, the T-shaped plates 66 are composed of a square plate and a convex block fixedly connected to the bottom end of the square plate with an inclined plane, the inclined planes of the convex blocks in the four T-shaped plates 66 are all arranged at one sides far away from the lower die 2, one ends of the tops of the four T-shaped plates 66 are fixedly connected with push rods 67 matched with the push ring 65 for use, one end of the top disc 31 is fixedly provided with a hydraulic rod 68, one end of an output shaft of the hydraulic rod 68 is fixedly connected with a square frame 69, the inner part of the square frame 69 is connected with a round pin 70 in a sliding manner, and one end of the bottom of the round pin 70 is fixedly connected with the push ring 65;
the fixing rods 71 are symmetrically and fixedly connected between the chassis 32 and the lower die 2, the outer parts of the two fixing rods 71 are jointly connected with the same U-shaped plate 72 in a sliding manner, a sleeve ring 73 is arranged on the outer side of the lower die 2, the sleeve ring 73 is fixedly connected to one end of the top of the U-shaped plate 72, four telescopic pipes 74 are uniformly and fixedly connected to one end of the top of the sleeve ring 73, each telescopic pipe 74 comprises a circular pipe and a square rod which is slidably connected to the inside of the circular pipe and provided with a disc, a third spring 75 is arranged inside each telescopic pipe 74, one end of the top of each third spring 75 is fixedly connected to the disc at one end of the bottom of the square rod in each telescopic pipe 74, one end of the top of each telescopic pipe 74 is fixedly connected to a limiting block 76 which is matched with a convex block in the T-shaped plate 66, each limiting block 76 is in a right trapezoid shape, and an inclined plane in each limiting block 76 is arranged on one side close to the lower die 2 and parallel to an inclined plane on the convex block in the T-shaped plate 66;
one end of the bottom of the lower die 2 is rotatably connected with a gear 77, one end of the bottom of a wheel shaft of the gear 77 and the outside of the threaded rod 51 are jointly provided with a group of belt pulleys 78 which are matched with each other for use, one belt pulley 78 is fixedly connected to one end of the bottom of the wheel shaft of the gear 77, the other belt pulley 78 is fixedly sleeved on the outside of the threaded rod 51, one end of the bottom of the lower die 2 is fixedly connected with a T-shaped strip 79, the outside of the T-shaped strip 79 is slidably connected with a toothed plate 80 which is meshed with the gear 77, the bottom of the toothed plate 80 is provided with a U-shaped cover 81, the U-shaped cover 81 and the toothed plate 80 are designed into a whole, a rack 82 is arranged inside the U-shaped cover 81, one end of the top of the rack 82 is fixedly connected with the inner wall of the U-shaped cover 81 through two fourth springs 83, one end of the bottom of the lower die 2 is rotatably connected with a ratchet 84 which is meshed with the rack 82 through a hanger plate, an oval disc 85 which is matched with the outside of the wheel shaft of the U-shaped plate 72 is fixedly sleeved on the outside of the ratchet 84, and the oval disc 85 is arranged between the U-shaped plate 72, one-shaped wheel shaft is fixedly sleeved with a one-way bearing 88, one end of the other fixed on the top of the other fixed rod 71, one end of the two tension springs 86, and one tension spring 71 of the two tension springs are movably sleeved on the two lower die 2;
the two convex rings 87 are respectively designed with the upper die 1 and the lower die 2 as a whole, and the pressure relief hole 41 is arranged at the lowest part of the die cavity of the lower die 2;
when the motor 52 drives the threaded rod 51 to rotate forward, the motor 52 drives the gear 77 to rotate through the group of belt pulleys 78, so that the gear 77 drives the toothed plate 80 to slide leftward outside the T-shaped strips 79 through the meshing action between the toothed plate 80 and the toothed plate 80, so that the toothed plate 80 drives the rack 82 to move leftward synchronously through the U-shaped cover 81, so that the ratchet 84 is driven to rotate 180 degrees counterclockwise through the meshing action between the rack 82 and the ratchet 84, the elliptical disks 85 are driven to rotate 180 degrees synchronously through the ratchet 84, the U-shaped plates 72 are pushed to move downward first outside the two fixing rods 71 through the elliptical disks 85, so that the U-shaped frames drive the four telescopic pipes 74 to move downward synchronously through the collars 73, so that the four limiting blocks 76 are driven to move downward through the four limiting blocks 74, so as to relieve the limiting action of the T-shaped plates 66 by the four limiting blocks 76, at this time, the four clamping plates 62 move toward the direction of the mold under the restoring action of the four second springs 63, and are clamped outside the two convex rings 87 outside the upper mold 1 and the lower mold 2, so that the upper mold 1 and the lower mold cavity 2 are fixed together, so that the upper mold cavity 85 and the lower mold cavity 85 of the mold cavity of the mold is not moved upward by the four telescopic pipes, and the mold cavity 85 are released from the mold cavity 85, and the mold cavity 85;
when the pressure in the cavity is close to a normal value and the motor 52 rotates reversely, the toothed plate 80 moves rightwards along the T-shaped strips 79 under the coordination of the structures, so that the toothed plate 80 drives the toothed rack 82 to move rightwards synchronously through the U-shaped cover 81, when the toothed rack 82 moves to a position meshed with the ratchet wheel 84, the ratchet wheel 84 is difficult to rotate anticlockwise under the action of the one-way bearing 88, the toothed rack 82 slides on the outer side of the ratchet wheel 84, moves towards the inside of the U-shaped cover 81 under the interference of teeth on the outer side of the ratchet wheel 84, and extrudes the two fourth springs 83; meanwhile, the hydraulic rod 68 pushes the square frame 69 to move, so that the square frame 69 pushes the push ring 65 to rotate outside the guide ring 64 through the round pin 70, so that the push ring 65 pushes the push rod 67 to move in a direction away from the mold through the protrusion on the outer side of the push ring 65, so that the push rod 67 drives the T-shaped plate 66 and the catch plates 62 to synchronously move, when the T-shaped plate 66 moves to a position where the T-shaped plate collides with the limit block 76, the protrusions collided with the T-shaped plate 66 respectively push the telescopic rod 42 to contract through the limit block 76 and squeeze the third springs 75, and when the protrusion on one end of the bottom of the T-shaped plate 66 moves to one side, away from the mold, of the limit block 76 is pushed by the telescopic tubes 74 under the reset action of the third springs 75 to reset and fix the T-shaped plate 66, so as to reset and fix the catch plates 62, and thus release the reinforcing action of the four catch plates 62 on the two molds; then, the hydraulic rod 68 drives the round pin 70 to move reversely through the square frame 69, so that the round pin 70 drives the push ring 65 to rotate reversely outside the guide tube and reset;
according to the invention, the auxiliary die assembly mechanism 6 is arranged, so that the upper die 1 and the lower die 2 can be fixed together when the injection liquid in the die cavity is too much, the phenomenon that the die assembly 2 with the lower die 1 is unstable when the injection liquid in the die cavity is too much and the pressure is too high is avoided, the phenomenon of glue overflow when the injection liquid in the die cavity is too much is further avoided, burrs on the edge of an injection molding piece of an automobile part can be effectively reduced, and the injection molding quality of the injection mold is further improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides an injection mold is used in automobile parts production, includes mould (1) and lower mould (2), its characterized in that: go up and connect through guide assembly (3) between mould (1) lower mould (2), and the bottom one end of going up mould (1) is provided with mould benevolence, and the top one end of lower mould (2) is provided with the die cavity, the inside of lower mould (2) is provided with and is used for preventing to mould plastics liquid excessive overflow gluey mechanism (4) that appear, go up and be provided with between mould (1) and lower mould (2) and glue the compound die complementary unit (6) that mechanism (4) cooperation was used with the overflow.
2. The injection mold for producing the automobile parts according to claim 1, wherein: guide subassembly (3) are including top dish (31) of fixed connection in last mould (1) top one end, and top dish (31) comprise a disc and four flanges of even fixed connection in the disc outside, the bottom one end of lower mould (2) is through four connecting rod fixedly connected with chassis (32), the equal sliding connection in inside of four flanges has locating lever (33), four in top dish (31) the bottom one end of locating lever (33) all extends to the outside of top dish (31) and respectively with chassis (32) fixed connection, and four locating levers (33) set up the four corners department in chassis (32) respectively.
3. The injection mold for producing the automobile parts as claimed in claim 1, wherein: the glue overflow preventing mechanism (4) comprises pressure releasing holes (41) formed in the lower die (2), the pressure releasing holes (41) are formed in one end of the bottom of a die cavity of the lower die (2), telescopic rods (42) are symmetrically and fixedly connected to the inside of the pressure releasing holes (41), each of the two telescopic rods (42) consists of a round pipe fixedly connected to the bottom of the inner wall of each pressure releasing hole (41) and a round rod movably connected to the inside of the round pipe, one end of the top of each round rod in each telescopic rod (42) is fixedly connected with the same pressure releasing plate (43), a pressure sensor (44) is arranged below each pressure releasing plate (43), each pressure sensor (44) is fixedly connected to the inside of each pressure releasing hole (41), each pressure sensor (44) is arranged between the two telescopic rods (42), a first spring (45) is arranged between each pressure sensor (44) and the circular plate, and one end of the top of each first spring (45) is fixedly connected with the circular plate.
4. The injection mold for producing the automobile parts as claimed in claim 3, wherein: one side fixedly connected with heating pipe (46) of lower mould (2), the fixed intercommunication of top one end of heating pipe (46) has return bend (47), the one end and the lower mould (2) fixed intercommunication of heating pipe (46) are kept away from in return bend (47), inclined hole (48) that use with return bend (47) cooperation are seted up to one side that lower mould (2) are close to heating pipe (46), the inside sliding connection of heating pipe (46) has piston (49), the square pipe (50) of bottom one end fixedly connected with of piston (49), and square pipe (50) are internal thread pipe, the inside rotation of square pipe (50) is connected with threaded rod (51), the top one end fixedly connected with motor (52) of chassis (32), the output shaft one end and threaded rod (51) fixed connection of motor (52).
5. The injection mold for producing automobile parts according to claim 4, wherein: the auxiliary die assembly mechanism (6) comprises four groups of T-shaped rods (61) which are fixedly connected to four sides of the lower die (2) respectively, the four groups of T-shaped rods (61) respectively comprise a round rod and a disc which is fixedly connected to one end, far away from one end of the lower die (2), of the round rod, the outer parts of the four groups of T-shaped plates (66) are respectively and jointly connected with a clamping plate (62) in a sliding mode, the section shapes of the four clamping plates (62) are U-shaped, the outer sides of the opposite ends of the upper die (1) and the lower die (2) are respectively and fixedly connected with a convex ring (87) matched with the clamping plate (62), one side, far away from the lower die (2), of the four clamping plates (62) is symmetrically and fixedly connected with second springs (63), the four groups of second springs (63) are movably sleeved on the outer parts of the T-shaped rods (61) respectively, one end of the top disc (31) is fixedly connected with a guide ring (64), the section shape of the guide ring (64) is T-shaped, the section shape of the guide ring (64) is in a T-shaped, the outer side of the guide ring (65) is rotatably connected with a push ring (65), the outer side of the push ring (65) is connected with a square plate, the square plate (65) which is fixedly connected with the outer side of the T-shaped plate (66) and the square plate (31) which is fixedly connected with the T-shaped plate, the T-shaped plate (66), the T-shaped plate (31), the T-shaped plate (66) and the square plate (31) is arranged on the outer side of the square plate (31) and the square plate (31) is arranged in a block, the square plate (31) and the T-shaped plate (31) is arranged on the outer side of the square plate (31) and the square plate (31) is staggered with the T-shaped plate (31), and the inclined plane of lug all sets up in four T shaped plate (66) in keeping away from one side of lower mould (2), four the equal fixedly connected with in top one end of T shaped plate (66) and push rod (67) that push ring (65) cooperation was used, the top one end fixed mounting of top dish (31) has hydraulic stem (68), the square frame of output shaft one end fixedly connected with (69) of hydraulic stem (68), the inside sliding connection of square frame (69) has round pin (70), the bottom one end and push ring (65) fixed connection of round pin (70).
6. The injection mold for producing the automobile parts as claimed in claim 5, wherein: symmetrical fixedly connected with dead lever (71), two between chassis (32) and lower mould (2) the common sliding connection in outside of dead lever (71) has same U-shaped plate (72), the outside of lower mould (2) is provided with the lantern ring (73), and lantern ring (73) fixed connection is in the top one end of U-shaped plate (72), the even fixedly connected with four flexible pipes (74) of top one end of lantern ring (73), and four flexible pipes (74) comprise a pipe and the square pole that sliding connection has the disc inside the pipe respectively, four the inside of flexible pipe (74) all is provided with third spring (75), and the top one end of four third spring (75) respectively with flexible pipe (74) in the disc fixed connection of square pole bottom one end, four the equal fixedly connected with in top one end of flexible pipe (74) stopper (76) that the boss cooperation was used in T-shaped plate (66), stopper (76) are the trapezoidal right angle, and the inclined plane setting in stopper (76) is being close to one side of lower mould (2) and with the parallel on the inclined plane of the boss in T-shaped plate (66).
7. The injection mold for producing the automobile parts as claimed in claim 6, wherein: the bottom end of the lower die (2) is rotatably connected with a gear (77), a group of belt pulleys (78) which are mutually matched and used are jointly arranged at the bottom end of a gear (77) axle and the outside of a threaded rod (51), one belt pulley (78) is fixedly connected at one bottom end of the gear (77) axle, the other belt pulley (78) is fixedly sleeved at the outside of the threaded rod (51), one bottom end of the lower die (2) is fixedly connected with a T-shaped strip (79), the outside of the T-shaped strip (79) is slidably connected with a toothed plate (80) which is meshed with the gear (77), the bottom of the toothed plate (80) is provided with a U-shaped cover (81), the U-shaped cover (81) and the toothed plate (80) are designed in an integrated manner, a rack (82) is arranged inside the U-shaped cover (81), one top end of the rack (82) is fixedly connected with the inner wall of the U-shaped cover (81) through two fourth springs (83), one bottom end of the lower die (2) is rotatably connected with a ratchet wheel (84) which is meshed with a ratchet wheel (82) meshed with an elliptic plate (72) which is fixedly sleeved with an elliptic plate (72), and an elliptic bearing (85) is arranged between the U-shaped plate (85) and the U-shaped plate (85) which is matched with an elliptic plate (72), the top one end symmetry fixedly connected with extension spring (86) of U shaped plate (72), and two extension springs (86) activity cup joint respectively in the outside of two dead levers (71), two the top one end and the lower mould (2) fixed connection of extension spring (86).
8. The injection mold for producing the automobile parts according to claim 1, wherein: the mould is characterized in that an injection molding hole is formed in the upper mould (1), and an injection molding pipe matched with the injection molding hole is fixedly communicated with one end of the top of the upper mould (1).
9. The injection mold for producing the automobile parts as claimed in claim 5, wherein: the two convex rings (87) are respectively designed with the upper die (1) and the lower die (2) in an integrated mode, and the pressure relief hole (41) is formed in the lowest position of the die cavity of the lower die (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211540328.3A CN115972503B (en) | 2022-12-02 | 2022-12-02 | Injection mold is used in production of automobile parts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211540328.3A CN115972503B (en) | 2022-12-02 | 2022-12-02 | Injection mold is used in production of automobile parts |
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| CN115972503A true CN115972503A (en) | 2023-04-18 |
| CN115972503B CN115972503B (en) | 2023-11-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116674137A (en) * | 2023-08-03 | 2023-09-01 | 泗洪众达新型材料有限公司 | Demolding device and method for rubber processing |
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|---|---|
| CN115972503B (en) | 2023-11-21 |
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