Injection mold convenient for demolding and blanking

Abstract

The injection mold comprises a machine shell, an injection molding frame is connected to the top of the machine shell in a penetrating mode, a lower mold is connected to the interior of the injection molding frame in a sliding and penetrating mode, two demolding assemblies are arranged at the bottom of the injection molding frame, and a cooling mechanism is arranged on the machine shell. The cooling mechanism comprises a cooling box fixedly connected to the outer wall of one side of the machine shell, four U-shaped pipes are arranged in the machine shell, and connecting pipes are connected to the bottoms of the three corresponding U-shaped pipes in a penetrating mode. According to the injection mold convenient to demold and discharge, the cooling mechanism can exchange heat with an injection molding part in the injection molding frame by virtue of circularly flowing cooling liquid, so that the injection molding part can be quickly cooled and molded, and the injection molding part is lifted out of the injection molding frame by matching with the demolding assembly, so that the injection molding part is conveniently demolded and discharged, and the overall injection molding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts injection molding, in particular to an injection mold which is convenient for demoulding and material removal. Background Art

[0002] Auto parts processing is the various units that constitute the overall auto parts processing and the products that serve the auto parts processing. As the foundation of the automotive industry, auto parts are a necessary factor to support the sustainable and healthy development of the automotive industry. In particular, the current independent development and innovation that is being carried out vigorously in the automotive industry requires a strong parts system to support it. The independent brand and technological innovation of the whole vehicle require parts as the basis, and the independent innovation of parts has a strong driving force for the development of the whole vehicle industry. In the production process of auto parts, injection molding molds are often required.

[0003] The publication number CN211763123U discloses an automobile parts injection molding mold, including a base, the four corners of the base are all provided with threaded rods, the top of the base is provided with a loading slot, the inside of the loading slot is provided with a hollow tube, the inside of the hollow tube is provided with a round rod, the top of the round rod is provided with a blank slot, the front and rear ends of the base are fixedly connected with a first cylinder, the top of the first cylinder is provided with a slot, the four sides of the slot are provided with a protective plate, the top of the slot is provided with a top frame, the bottom of the slot is provided with an electric push rod, the lower end of the electric push rod is fixedly connected with a raw material slot, the bottom surface of the top frame is provided with a second cylinder, and the bottom end of the second cylinder is provided with a pressing plate. In fact, the practical new type facilitates the placement of different blank slots through the loading slot, and the round rod pressed by the blank slot is retracted into the hollow tube by using a spring, so that blank slots of different sizes can be fixed, enhancing the applicability of the device.

[0004] However, the injection mold has the following shortcomings: the equipment can fix blank grooves of different sizes during use, which is convenient for injection molding. However, due to the high temperature when the injection molding process is completed, it is inconvenient for operators to remove the molded parts from the mold, resulting in low overall injection molding efficiency.

[0005] Therefore, the utility model provides an injection mold which is convenient for demoulding and unloading to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides an injection mold that is easy to demould and unload, thereby solving the above problems.

[0007] To achieve the above purpose, the utility model is implemented by the following technical solutions: an injection mold that is convenient for demoulding and unloading, comprising a housing, an injection molding frame is connected through the top of the housing, a lower mold is slidably inserted in the injection molding frame, two demoulding components are arranged at the bottom of the injection molding frame, and a cooling mechanism is arranged on the housing;

[0008] The cooling mechanism includes a cooling box fixedly connected to the outer wall of one side of the casing, four U-shaped tubes are arranged in the casing, and the bottoms of the corresponding three U-shaped tubes are penetrated by connecting tubes, and the bottom ends of the connecting tubes extend into the corresponding U-shaped tubes. Two serpentine tubes are fixedly connected in the cooling box, and one end of the corresponding serpentine tube extends into the corresponding U-shaped tube, and the same return pipe is fixedly connected between the two serpentine tubes. A circulating pump is fixedly connected in the cooling box, and the water inlet end of the circulating pump is connected to the corresponding serpentine tube, and the water outlet end of the circulating pump is connected to the corresponding U-shaped tube. A plurality of fans are fixedly connected in the cooling box.

[0009] Preferably, the demolding assembly includes a fixed cylinder connected to the bottom of the injection molding frame, a positioning rod is fixedly connected to the fixed cylinder, a supporting cylinder is slidably sleeved on the positioning rod, the top end of the supporting cylinder slides and extends into the injection molding frame, the top end of the supporting cylinder is connected to the bottom of the lower mold, a spring is slidably sleeved on the positioning rod, the bottom end of the spring is connected to the fixed cylinder, and the top end of the spring is connected to the supporting cylinder. The demolding assembly can be used to lift the injection molding machine out of the injection molding frame to facilitate demolding and unloading, thereby improving the overall injection molding efficiency.

[0010] Preferably, a side ventilation grille is fixedly connected to one side of the cooling box, and a top ventilation grille is fixedly connected to the top of the cooling box. The side ventilation grille and the top ventilation grille are used in combination to facilitate ventilation inside the cooling box, thereby facilitating the operation of multiple fans, accelerating air flow, and facilitating cooling.

[0011] Preferably, the top of the casing is fixedly connected with four columns, the top ends of the four columns are fixedly connected with the same mounting plate, a working box is penetrated through the mounting plate, the bottom of the working box is slidably and interlaced with two extension rods, the bottom ends of the two extension rods are fixedly connected with the same lifting plate, the bottom of the lifting plate is fixedly connected with an upper mold, and the columns, mounting plate, working box, extension rods, lifting plate and upper mold are used in combination to facilitate closing with the lower mold for injection molding.

[0012] Preferably, a partition is fixedly connected inside the working box, and two threaded rods are rotatably connected to the partition, and threaded moving blocks are threadedly sleeved on the two threaded rods. The two threaded moving blocks are respectively connected to the corresponding extension rods. The extension rods can be conveniently driven to be raised and lowered by using the arranged partition, bolt rod and threaded moving block in combination.

[0013] Preferably, the two threaded rods are fixedly sleeved with driven gears, the bottom of the partition is fixedly connected to a driving motor, the output shaft of the driving motor is fixedly connected to a transmission shaft, the transmission shaft is fixedly connected to a driving gear, the driving gear is meshed with the two driven gears, and the two threaded rods can be easily driven to rotate synchronously by using the arranged driven gears, driving motor, transmission shaft and driving gear, which is convenient for operation and use.

[0014] Preferably, two anti-deflection rods are fixedly connected to the bottom of the mounting plate, and the two anti-deflection rods both slide through the lifting plate. Two sliding rods are fixedly connected to the working box, and the sliding rods slide through corresponding threaded moving blocks. The anti-deflection rods and sliding rods that are arranged at the same time can be used in combination to limit the lifting plate, making its movement more stable and facilitating the upper and lower molds to be tightly closed.

[0015] Beneficial Effects

[0016] The utility model provides an injection mold that is easy to demould and unload. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The injection mold, which is easy to demold and unload, can use the circulating coolant to exchange heat with the injection molded part in the injection molding frame through the cooling mechanism, so that the injection molded part can be quickly cooled and formed, and the demolding component can be used to lift it out of the injection molding frame, which is convenient for demolding and unloading, thereby improving the overall injection molding efficiency.

[0018] (2) The injection mold that is easy to demould and unload is provided with two extension rods that can be raised and lowered synchronously to drive the upper mold to move, so that it is convenient to close it with the lower mold for injection molding, the displacement is more precise, and it is convenient to use for injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0020] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3 It is a three-dimensional diagram of the back structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the relevant structure of the U-shaped tube in the utility model;

[0023] Figure 5 It is the relevant assembly drawing of the serpentine tube in the utility model;

[0024] Figure 6 It is a relevant assembly drawing of the extension rod in the utility model.

[0025] In the figure: 1. casing; 2. injection molding frame; 3. lower mold; 4. demoulding assembly; 401. fixing cylinder; 402. positioning rod; 403. supporting cylinder; 404. spring; 5. cooling box; 6. U-shaped tube; 7. connecting tube; 8. serpentine tube; 9. return pipe; 10. circulation pump; 11. fan; 12. side ventilation grille; 13. top ventilation grille; 14. column; 15. mounting plate; 16. working box; 17. extension rod; 18. lifting plate; 19. upper mold; 20. partition; 21. threaded rod; 22. threaded moving block; 23. driven gear; 24. driving motor; 25. transmission shaft; 26. driving gear; 27. anti-bias rod; 28. sliding rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1:

[0028] See also Figures 1 to 5 , an injection mold for easy demoulding and unloading, comprising a housing 1, an injection frame 2 is connected through the top of the housing 1, a lower mold 3 is slidably inserted and connected in the injection frame 2, two demoulding components 4 are arranged at the bottom of the injection frame 2, and a cooling mechanism is arranged on the housing 1;

[0029] The cooling mechanism includes a cooling box 5 fixedly connected to the outer wall of one side of the casing 1, four U-shaped tubes 6 are arranged in the casing 1, one end of the corresponding two U-shaped tubes 6 extends into the cooling box 5, and the bottoms of the corresponding three U-shaped tubes 6 are penetrated and connected with connecting tubes 7, and the three connecting tubes 7 are alternately distributed to facilitate the circulation of the coolant. The bottom end of the connecting tube 7 extends into the corresponding U-shaped tube 6, and two serpentine tubes 8 are fixedly connected in the cooling box 5. One end of the corresponding serpentine tube 8 extends into the corresponding U-shaped tube 6, and the same return pipe 9 is fixedly connected between the two serpentine tubes 8. A circulating pump 10 is fixedly connected in the cooling box 5, and the water inlet end of the circulating pump 10 is connected to the corresponding serpentine tube 8, and the water outlet end of the circulating pump 10 is connected to the corresponding U-shaped tube 6. A plurality of fans 11 are fixedly connected in the cooling box 5;

[0030] The demolding assembly 4 includes a fixed cylinder 401 which is connected to the bottom of the injection molding frame 2, a positioning rod 402 is fixedly connected inside the fixed cylinder 401, a supporting cylinder 403 is slidably sleeved on the positioning rod 402, the top end of the supporting cylinder 403 slides and extends into the injection molding frame 2, the top end of the supporting cylinder 403 is connected to the bottom of the lower mold 3, a spring 404 is slidably sleeved on the positioning rod 402, the bottom end of the spring 404 is connected to the fixed cylinder 401, and the top end of the spring 404 is connected to the supporting cylinder 403.

[0031] Embodiment 2:

[0032] See also Figures 1 to 6 This embodiment provides a technical solution based on the first embodiment: a side ventilation grille 12 is fixedly connected to one side of the cooling box 5, and a top ventilation grille 13 is fixedly connected to the top of the cooling box 5; four columns 14 are fixedly connected to the top of the casing 1, and the tops of the four columns 14 are fixedly connected to the same mounting plate 15, and a working box 16 is connected through the mounting plate 15, and two extension rods 17 are slidably inserted and connected to the bottom of the working box 16, and the bottom ends of the two extension rods 17 are fixedly connected to the same lifting plate 18, and the bottom of the lifting plate 18 is fixedly connected to an upper mold 19; a partition 20 is fixedly connected inside the working box 16, and two threaded rods 21 are rotatably connected and penetrated on the partition 20, and the two threaded rods A threaded moving block 22 is threadedly sleeved on 21, and the two threaded moving blocks 22 are respectively connected to the corresponding extension rods 17; a driven gear 23 is fixedly sleeved on the two threaded rods 21, and a driving motor 24 is fixedly connected to the bottom of the partition 20, and the output shaft of the driving motor 24 is fixedly connected to a transmission shaft 25, which rotates through the partition 20, and a driving gear 26 is fixedly connected to the transmission shaft 25, and the driving gear 26 is meshed with the two driven gears 23; two anti-deflection rods 27 are fixedly connected to the bottom of the mounting plate 15, and the two anti-deflection rods 27 both slide through the lifting plate 18, and two sliding rods 28 are fixedly connected in the working box 16, and the sliding rods 28 slide through the corresponding threaded moving blocks 22.

[0033] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0034] Working principle: When in use, it is only necessary to start the driving motor 24, which drives the driving gear 26 to rotate through the transmission shaft 25, and the driving gear 26 drives the two driven gears 23 meshing with it to rotate, and the driven gear 23 drives the threaded rod 21 to rotate, and the two threaded rods 21 rotate synchronously to drive the threaded moving block 22 threadedly connected to it to descend, and the threaded moving block 22 drives the lifting plate 18 and the upper mold 19 to descend through the extension rod 17, and when the upper mold 19 descends and presses against the lower mold 3, it will drive it to compress downward until the lower mold 3 presses against the fixed cylinder 401, at this time the lower mold 3 is pressed against the fixed cylinder 401. The mold 3 and the upper mold 19 are completely closed to facilitate the injection molding process. After the injection molding process is completed, the circulation pump 10 and the fan 11 are started. The circulation pump 10 drives the coolant to circulate in the U-shaped tube 6, the connecting tube 7, the serpentine tube 8 and the return tube 9. At the same time, the fan 11 can cool the coolant in the serpentine tube 8, thereby facilitating heat exchange with the injection molded part and cooling it. Then the drive motor 24 is started to reset the upper mold 19. At this time, the lower mold 3 loses pressure and moves upward under the elastic force of the demoulding component 4, lifting the injection molded part to the outside of the injection molding frame 2, which is convenient for demoulding and unloading.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold for easy demoulding and blanking, comprising a housing (1), characterized in that: The top of the housing (1) is connected through an injection molding frame (2), a lower mold (3) is slidably inserted in the injection molding frame (2), two demoulding components (4) are arranged at the bottom of the injection molding frame (2), and a cooling mechanism is arranged on the housing (1); The cooling mechanism comprises a cooling box (5) fixedly connected to the outer wall of one side of the casing (1); four U-shaped tubes (6) are arranged in the casing (1); the bottoms of the corresponding three U-shaped tubes (6) are penetrated by connecting tubes (7); the bottom ends of the connecting tubes (7) extend into the corresponding U-shaped tubes (6); two serpentine tubes (8) are fixedly connected in the cooling box (5); one end of the corresponding serpentine tube (8) extends into the corresponding U-shaped tube (6); the same return pipe (9) is fixedly connected between the two serpentine tubes (8); a circulating pump (10) is fixedly connected in the cooling box (5); the water inlet end of the circulating pump (10) is connected to the corresponding serpentine tube (8); the water outlet end of the circulating pump (10) is connected to the corresponding U-shaped tube (6); and a plurality of fans (11) are fixedly connected in the cooling box (5).

2. The injection mold for easy demoulding and blanking according to claim 1, characterized in that: The demoulding assembly (4) comprises a fixed cylinder (401) which is connected to the bottom of the injection molding frame (2); a positioning rod (402) is fixedly connected to the fixed cylinder (401); a support cylinder (403) is slidably sleeved on the positioning rod (402); the top end of the support cylinder (403) slides and extends into the injection molding frame (2); the top end of the support cylinder (403) is connected to the bottom of the lower mold (3); a spring (404) is slidably sleeved on the positioning rod (402); the bottom end of the spring (404) is connected to the fixed cylinder (401); and the top end of the spring (404) is connected to the support cylinder (403).

3. The injection mold for easy demoulding and blanking according to claim 2, characterized in that: A side ventilation grille (12) is fixedly connected to one side of the cooling box (5), and a top ventilation grille (13) is fixedly connected to the top of the cooling box (5).

4. The injection mold for easy demoulding and blanking according to claim 1, characterized in that: The top of the casing (1) is fixedly connected to four columns (14), the tops of the four columns (14) are fixedly connected to a same mounting plate (15), a working box (16) is connected through the mounting plate (15), the bottom of the working box (16) is slidably connected to two extension rods (17), the bottom ends of the two extension rods (17) are fixedly connected to a same lifting plate (18), and the bottom of the lifting plate (18) is fixedly connected to an upper mold (19).

5. The injection mold for easy demoulding and blanking according to claim 4, characterized in that: A partition (20) is fixedly connected inside the working box (16), and two threaded rods (21) are rotatably connected and penetrated on the partition (20). Threaded moving blocks (22) are threadedly sleeved on the two threaded rods (21), and the two threaded moving blocks (22) are respectively connected to corresponding extension rods (17).

6. The injection mold for easy demoulding and blanking according to claim 5, characterized in that: A driven gear (23) is fixedly sleeved on the two threaded rods (21); a driving motor (24) is fixedly connected to the bottom of the partition (20); an output shaft of the driving motor (24) is fixedly connected to a transmission shaft (25); a driving gear (26) is fixedly connected to the transmission shaft (25); and the driving gear (26) is meshed with the two driven gears (23).

7. The injection mold for easy demoulding and blanking according to claim 6, characterized in that: Two anti-deflection rods (27) are fixedly connected to the bottom of the mounting plate (15), and the two anti-deflection rods (27) are slidably passed through the lifting plate (18). Two sliding rods (28) are fixedly connected inside the working box (16), and the sliding rods (28) are slidably passed through the corresponding threaded moving blocks (22).

Images