CN214239390U

CN214239390U - Automatic plastic products mould of drawing of patterns

Info

Publication number: CN214239390U
Application number: CN202023244185.0U
Authority: CN
Inventors: 陈磊磊; 曹思降; 秦建生; 马汉仁; 吕现超; 施敏敏
Original assignee: Jiangsu Kebai Biotechnology Co ltd
Current assignee: Jiangsu Kebai Biotechnology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-21
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses an automatic plastic products mould of drawing of patterns relates to plastic products mould technical field, can not in time carry out the drawing of patterns to gluing the product on the mould for solving current plastic products mould, causes product cooling drawing of patterns difficulty easily, leads to the impaired serious of product, and the mould is difficult to the problem of clearance. The inside of bed die is provided with the holding tank, the top of holding tank is provided with the mounting groove, and the mounting groove is provided with two, two the thimble is all installed to the inside of mounting groove, two the connecting rod is installed to below between the thimble, the intermediate position department of connecting rod is provided with fixed cover, the lead screw is installed to the inboard of fixed cover, servo motor is installed to one side of connecting rod, servo motor's outside is provided with the mount, the temperature controller is installed in the place ahead of bed die, the top of mounting groove is provided with the shaping groove, the mould is installed to the top of bed die.

Description

Automatic plastic products mould of drawing of patterns

Technical Field

The utility model relates to a plastic products mould technical field specifically is an automatic plastic products mould of drawing of patterns.

Background

The plastic is plastic, and the application of plastic products is very wide, and the plastic products are indispensable parts in household appliances, automobiles, mobile phones, PCs, medical instruments and lighting appliances. The mold is a tool used to make a shaped article. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother". In the field of injection molding, a processing device corresponding to a plastic product mold is a plastic injection molding machine, plastic is heated and melted in a heating material cylinder at the bottom of an injection machine, then enters a cavity of the mold through a nozzle of the injection machine and a pouring system of the mold under the pushing of a screw rod or a plunger of the injection machine, and is obtained after the plastic is cooled, hardened and molded and is demolded.

However, the existing plastic product mold cannot timely demold a product stuck on the mold, so that the product is difficult to cool and demold, the product is seriously damaged, and the mold is difficult to clean, so that the existing requirements are not met, and the plastic product mold capable of automatically demolding is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic plastic products mould of drawing of patterns to solve the plastic products mould that provides in the above-mentioned background art and can not in time carry out the drawing of patterns to gluing the product on the mould, cause product cooling drawing of patterns difficulty easily, lead to the impaired serious of product, the mould is difficult to the problem of clearance.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic product mold capable of automatically demolding comprises a lower mold, wherein a containing groove is formed in the lower mold, mounting grooves are formed in the top end of the containing groove, two mounting grooves are formed in the two mounting grooves, ejector pins are mounted in the two mounting grooves, a connecting rod is mounted below the two ejector pins, a fixing sleeve is arranged in the middle of the connecting rod, a lead screw is mounted on the inner side of the fixing sleeve and fixedly connected with a ball nut of the lead screw, the two ends of the lead screw are rotatably connected with the lower mold through bearings, a servo motor is mounted on one side of the connecting rod, the output end of the servo motor is connected with the lead screw through belt transmission, a fixing frame is arranged outside the servo motor, one end of the fixing frame is connected with the lower mold through screws, a temperature controller is mounted in front of the lower mold and electrically connected with the servo motor, the top of mounting groove is provided with the shaping groove, the mould is installed to the top of bed die, the bottom of going up the mould is provided with the shaping terrace die, and the shaping terrace die extends to the inside in shaping groove, the inside between shaping terrace die and the last mould is provided with the hole of moulding plastics.

Preferably, the thimble includes bracing piece, temperature probe and visor, the upper end of bracing piece is provided with the closing plate, the upper end of closing plate is provided with the connection boss, inside between closing plate, connection boss and the bracing piece is provided with logical groove, one side that leads to the groove lower extreme is provided with the through-hole, the outside of bracing piece below is provided with the limiting plate, temperature probe sets up in the top of connecting the boss, the outside of connecting the boss is located to the protective cover to pass through threaded connection with the connection boss, the both ends of connecting rod respectively with two bracing piece fixed connection.

Preferably, the temperature measuring probe is electrically connected with the temperature controller, and the sealing plate, the connecting boss, the limiting plate and the supporting rod are of an integrated structure.

Preferably, the middle position department of mounting groove installs reset spring, and the bracing piece passes reset spring, reset spring is located the top of limiting plate.

Preferably, the guard plate is installed in the place ahead of holding tank, four corners and the bed die of guard plate pass through the screw connection, the inside of guard plate is provided with the louvre, and the louvre is provided with a plurality of.

Preferably, four corners of going up the mould all are provided with the axle sleeve, the spliced pole is all installed to four corners of bed die, and the upper end of spliced pole passes the axle sleeve to with axle sleeve sliding connection, the outside cover of spliced pole is equipped with buffer spring, and buffer spring is located between bed die and the axle sleeve, the lower extreme of spliced pole and buffer spring all with bed die fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a bottom of bed die shaping groove sets up two mounting grooves, the internally mounted thimble of mounting groove, two thimbles are connected through the connecting rod, the connecting rod is connected with the ball nut of lead screw through the fixed cover, the lead screw is connected with the output of servo motor through the belt, the internally mounted temperature probe of thimble upper end, the place ahead of bed die installs the temperature controller, when the injection molding liquid pours into the shaping inslot and carries out cooling shaping, set up the temperature value on the temperature controller, namely the temperature when the product cools off, the temperature probe monitors the product temperature in real time, when the temperature reaches the definite value, explain the product shaping, the bed die shifts up, the temperature controller controls the servo motor to start, the servo motor drives the lead screw to rotate, the ball nut of lead screw drives the connecting rod to move up, the connecting rod drives two thimbles to move up, make the upper end of thimble extend to the shaping inslot, the molded product is timely ejected out of the molding groove, so that the condition that the product is stuck on the mold is avoided, the production quality of the product is improved, and the mold is protected. Meanwhile, automatic demolding is realized, the labor intensity of workers is reduced, and the demolding efficiency is effectively improved.

2. The utility model discloses an outside suit reset spring of bracing piece, the outside suit buffer spring of spliced pole, reset spring and buffer spring all have good elastic recovery deformation's ability, when the thimble is ejecting and go up the mould and be connected with the bed die, reset spring and buffer spring all atress are compressed, and meanwhile reset spring and buffer spring produce reaction force, play good cushioning effect, can improve the thimble and go up the stability of mould when removing.

Drawings

Fig. 1 is a schematic view of the overall internal structure of the present invention;

fig. 2 is an exploded view of the thimble according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at another angle;

fig. 4 is an overall front view of the present invention.

In the figure: 1. a lower die; 11. accommodating grooves; 12. forming a groove; 13. mounting grooves; 14. a protection plate; 2. an upper die; 21. injection molding holes; 22. forming a male die; 23. a shaft sleeve; 3. a thimble; 31. a support bar; 311. a sealing plate; 312. connecting the bosses; 313. a limiting plate; 314. a through groove; 315. a through hole; 32. a temperature measuring probe; 33. a protective cover; 4. a return spring; 5. a connecting rod; 51. fixing a sleeve; 6. a screw rod; 7. a servo motor; 71. a fixed mount; 8. connecting columns; 81. a buffer spring; 9. and (7) a temperature controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: an automatic demoulding plastic product mould comprises a lower mould 1, wherein a containing groove 11 is arranged inside the lower mould 1, a mounting groove 13 is arranged at the top end of the containing groove 11, a heat insulation layer can be arranged on the inner walls of the mounting groove 13 and the containing groove 11 to protect the parts mounted inside the mounting groove, two mounting grooves 13 are arranged, ejector pins 3 are mounted inside the two mounting grooves 13, a connecting rod 5 is mounted below the space between the two ejector pins 3, a fixing sleeve 51 is arranged at the middle position of the connecting rod 5, a screw rod 6 is mounted inside the fixing sleeve 51, the fixing sleeve 51 is fixedly connected with a ball nut of the screw rod 6, two ends of the screw rod 6 are rotatably connected with the lower mould 1 through bearings, a servo motor 7 is mounted on one side of the connecting rod 5, the output end of the servo motor 7 is connected with the screw rod 6 through belt transmission, a fixing frame 71 is arranged outside the servo motor 7, and one, temperature controller 9 is installed in the place ahead of lower mould 1, the outside of temperature controller 9 sets up thermal-insulated safety cover to protection temperature controller 9, and temperature controller 9 and servo motor 7 electric connection, realize unified data ization regulation and control, the top of mounting groove 13 is provided with shaping groove 12, mould 2 is installed to the top of lower mould 1, the bottom of going up mould 2 is provided with shaping terrace die 22, and shaping terrace die 22 extends to the inside of shaping groove 12, the inside between shaping terrace die 22 and the last mould 2 is provided with the hole of moulding plastics 21.

Further, the thimble 3 comprises a support rod 31, a temperature measuring probe 32 and a protective cover 33, a sealing plate 311 is arranged at the upper end of the support rod 31, a connecting boss 312 is arranged at the upper end of the sealing plate 311, a through groove 314 is arranged in the sealing plate 311, the connecting boss 312 and the support rod 31, a through hole 315 is arranged at one side of the lower end of the through groove 314, the through groove 314 and the through hole 315 facilitate the placement of a connecting line of the temperature measuring probe 32, a limiting plate 313 is arranged at the outer part below the support rod 31, the temperature measuring probe 32 is arranged above the connecting boss 312, the protective cover 33 is covered at the outer part of the connecting boss 312, and is connected with the connecting boss 312 through screw threads, the connection mode is simple, the disassembly and the assembly of the protective cover 33 are facilitated, the protective cover 33 is made of a material with good heat conductivity, when the protective cover 33 protects the temperature measuring probe 32, the temperature probe 32 is convenient to monitor the temperature of the product, and two ends of the connecting rod 5 are respectively fixedly connected with the two supporting rods 31.

Further, the temperature measuring probe 32 is electrically connected with the temperature controller 9, uniform data regulation and control are realized, the sealing plate 311, the connecting boss 312, the limiting plate 313 and the supporting rod 31 are of an integrated structure, the integrity is good, the structural strength of the joint is high, and the joint is not easy to break.

Further, reset spring 4 is installed in the intermediate position department of mounting groove 13, and bracing piece 31 passes reset spring 4, and reset spring 4 is located the top of limiting plate 313, moves the in-process on thimble 3, and limiting plate 313 exerts external force to reset spring 4, and the impulsive force that thimble 3 upwards moved can be subducted through the ability that reset spring 4 atress compressed can produce the reaction force, improves the stability that thimble 3 removed.

Further, guard plate 14 is installed in the place ahead of holding tank 11, and four corners of guard plate 14 pass through the screw connection with bed die 1, and is fixed reliable, and installation technical content is low, and guard plate 14's inside is provided with the louvre, and the louvre is provided with a plurality of, the heat dissipation of being convenient for.

Further, four corners of going up mould 2 all are provided with axle sleeve 23, spliced pole 8 is all installed to four corners of bed die 1, and axle sleeve 23 is passed to spliced pole 8's upper end, and with axle sleeve 23 sliding connection, spliced pole 8's outside cover is equipped with buffer spring 81, and buffer spring 81 is located between bed die 1 and the axle sleeve 23, spliced pole 8 and buffer spring 81's lower extreme all with bed die 1 fixed connection, can produce the ability of reaction force through buffer spring 81 atress compressed, can reduce the impulsive force that goes up mould 2 and move down the production, the stability that mould 2 moved down is gone up in the assurance.

The working principle is as follows: when the upper die 2 is used, the upper die 2 is driven by the air cylinder to move downwards to be connected with the lower die 1, the forming male die 22 extends into the forming groove 12 to form a cavity, the shaft sleeve 23 slides outside the connecting column 8 in the moving process of the upper die 2, the buffer spring 81 is stressed and compressed, and meanwhile, a reaction force is generated, so that the impact force generated by the downward movement of the upper die 2 is reduced, and the stability of the downward movement of the upper die 2 is ensured. The injection liquid flows into a cavity formed between the lower die 1 and the upper die 2 through the injection hole 21, and waits for the product to be cooled to obtain a finished product. During, the temperature value that sets up on temperature controller 9, the temperature after the product cooling promptly, temperature probe 32 real-time supervision product temperature, when the temperature reaches the definite value, explain the product shaping, go up mould 2 by cylinder drive rebound, keep away from lower mould 1, temperature controller 9 control servo motor 7 starts afterwards, servo motor 7 drive lead screw 6 is rotatory, the rotary motion of lead screw 6 is converted into linear motion to the ball nut of lead screw 6, and then take connecting rod 5 rebound, connecting rod 5 drives two thimble 3 rebound, make the upper end of thimble 3 extend to inside the shaping groove 12, fashioned product atress is ejecting shaping groove 12, realize automatic demoulding from this. In the process of moving the thimble 3 upwards, the reset spring 4 is stressed and compressed, and meanwhile, a reaction force is generated, so that the impact force of the upward movement of the thimble 3 is reduced, and the movement stability of the thimble 3 is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automatic plastic products mould of drawing of patterns, includes bed die (1), its characterized in that: the inner part of the lower die (1) is provided with an accommodating groove (11), the top end of the accommodating groove (11) is provided with two mounting grooves (13), the mounting grooves (13) are provided with two ejector pins (3) respectively, the connecting rod (5) is arranged below the ejector pins (3), a fixing sleeve (51) is arranged at the middle position of the connecting rod (5), a screw rod (6) is arranged on the inner side of the fixing sleeve (51), the fixing sleeve (51) is fixedly connected with a ball nut of the screw rod (6), the two ends of the screw rod (6) are rotatably connected with the lower die (1) through bearings, a servo motor (7) is arranged on one side of the connecting rod (5), the output end of the servo motor (7) is connected with the screw rod (6) through belt transmission, a fixing frame (71) is arranged outside the servo motor (7), and the one end of mount (71) passes through bolted connection with bed die (1), temperature controller (9) are installed in the place ahead of bed die (1), and temperature controller (9) and servo motor (7) electric connection, the top of mounting groove (13) is provided with shaping groove (12), mould (2) are installed to the top of bed die (1), the bottom of going up mould (2) is provided with shaping terrace die (22), and shaping terrace die (22) extend to the inside in shaping groove (12), inside between shaping terrace die (22) and the last mould (2) is provided with injection molding hole (21).

2. An automatic release plastic product mold as in claim 1, wherein: thimble (3) are including bracing piece (31), temperature probe (32) and visor (33), the upper end of bracing piece (31) is provided with closing plate (311), the upper end of closing plate (311) is provided with connects boss (312), inside between closing plate (311), connection boss (312) and bracing piece (31) is provided with logical groove (314), one side that leads to the groove (314) lower extreme is provided with through-hole (315), the outside of bracing piece (31) below is provided with limiting plate (313), temperature probe (32) set up in the top of connecting boss (312), visor (33) cover is located the outside of connecting boss (312) to pass through threaded connection with connection boss (312), the both ends of connecting rod (5) respectively with two bracing pieces (31) fixed connection.

3. An automatic release plastic product mold as in claim 2, wherein: the temperature measuring probe (32) is electrically connected with the temperature controller (9), and the sealing plate (311), the connecting boss (312), the limiting plate (313) and the supporting rod (31) are of an integrated structure.

4. An automatic release plastic product mold as in claim 1, wherein: reset spring (4) are installed to the intermediate position department of mounting groove (13), and bracing piece (31) pass reset spring (4), reset spring (4) are located the top of limiting plate (313).

5. An automatic release plastic product mold as in claim 1, wherein: protection plate (14) are installed in the place ahead of holding tank (11), four corners and bed die (1) of protection plate (14) pass through the screw connection, the inside of protection plate (14) is provided with the louvre, and the louvre is provided with a plurality of.

6. An automatic release plastic product mold as in claim 1, wherein: four corners of going up mould (2) all are provided with axle sleeve (23), spliced pole (8) are all installed to four corners of bed die (1), and axle sleeve (23) are passed to the upper end of spliced pole (8) to with axle sleeve (23) sliding connection, the outside cover of spliced pole (8) is equipped with buffer spring (81), and buffer spring (81) are located between bed die (1) and axle sleeve (23), the lower extreme of spliced pole (8) and buffer spring (81) all with bed die (1) fixed connection.