An injection mold facilitating demolding

Abstract

This application relates to an injection mold that facilitates demolding, belonging to the technical field of molds. It includes an upper mold and a lower mold. A first injection groove is formed on the upper surface of the lower mold, and a second injection groove is formed on the lower surface of the upper mold. A ring groove is provided on the upper surface of the lower mold, and the ring groove communicates with the first injection groove. A plurality of sliding grooves are communicated with the inner wall of the ring groove, and sliding plates are slidably arranged in the sliding grooves. A sliding component is arranged in the lower mold, and the sliding component is used to drive the sliding plates to slide in the sliding grooves. A plurality of partition plates are fixedly arranged in the ring groove, and the sliding plates can extend into the space between adjacent partition plates in the ring groove. The partition plates and the sliding plates can fill the ring groove, and the top walls of the sliding plates and the partition plates are flush with the upper surface of the lower mold. This application has the effect of facilitating the removal of the molded product from the mold and improving the convenience of processing operations.

Description

Technical Field

[0001] This application relates to the technical field of molds, and particularly relates to an injection mold that facilitates demolding. Background Art

[0002] Currently, molds are various dies and tools used in industrial production to obtain the required products by methods such as injection molding, blow molding, extrusion, die casting, or forging, smelting, stamping, etc.

[0003] In the related art, there is an injection mold designed. Refer to Figure 1 , which includes an upper mold 11 and a lower mold 12. A first injection groove 121 is formed on the upper surface of the lower mold 12, and a second injection groove 111 is formed on the lower surface of the upper mold 11. The second injection groove 111 and the first injection groove 121 are coaxially arranged, and the caliber of the second injection groove 111 is larger than that of the first injection groove 121. During injection molding, the upper mold 11 is brought close to the lower mold 12 so that the surfaces of the upper mold 11 and the lower mold 12 are mutually attached. The first injection groove 121 corresponds to the second injection groove 111, and then injection is carried out into the first injection groove 121 and the second injection groove 111. After the injection is completed, the upper mold 11 and the lower mold 12 are separated. Since the caliber of the second injection groove 111 is larger than that of the first injection groove 121, a flanging will be generated on the lower mold 12 for the formed product, realizing injection molding and the flanging treatment of the product.

[0004] Regarding the above related art, it is considered that after the product is formed, the flanged product will adhere to the upper surface of the lower mold. During demolding, it is necessary to manually lift the product to remove the formed product from the lower mold. However, the product is closely attached to the upper surface of the lower mold, making it inconvenient to remove the formed product, and the operation is rather cumbersome. Therefore, it needs to be improved. Summary of the Invention

[0005] The purpose of this application is to provide an injection mold that facilitates demolding, which has the effect of facilitating the removal of the formed product from the mold and improving the convenience of the processing operation.

[0006] An injection mold that facilitates demolding provided by this application adopts the following technical solutions:

[0007] An injection mold that facilitates demolding includes an upper mold and a lower mold. A first injection groove is formed on the upper surface of the lower mold, and a second injection groove is formed on the lower surface of the upper mold. A ring groove is provided on the upper surface of the lower mold, and the ring groove communicates with the first injection groove. A plurality of sliding grooves are communicated with the inner wall of the ring groove, and sliding plates slide in the sliding grooves. A sliding component is arranged in the lower mold, and the sliding component is used to drive the sliding plate to slide in the sliding groove. A plurality of partition plates are fixedly arranged in the ring groove, and the sliding plate can extend between adjacent partition plates in the ring groove. The partition plates and the sliding plate can fill the ring groove, and the top walls of the sliding plate and the partition plates are flush with the upper surface of the lower mold.

[0008] By adopting the above technical solution, before injection molding in the mold, first drive the slide plate to slide towards the annular groove through the sliding component, extend one end of the slide plate into the annular groove and insert it between two adjacent partitions. At this time, both sides of the slide plate are in mutual contact with the side walls of the partitions, and the top walls of the slide plate and the partitions are flush with the upper surface of the lower mold. At this time, the partitions and the slide plate can fill the annular groove; then move the upper mold and the lower mold closer to make them fit together, the first injection groove and the second injection groove communicate with each other, and inject into the first injection groove and the second injection groove. Since the diameter of the second injection groove is larger than that of the first injection groove, and the annular groove communicates with the first injection groove, after injection molding, the flanged product will adhere to the top walls of the slide plate and the partitions; after the product is formed, drive the slide plate to slide away from the annular groove through the sliding component to make the slide plate disengage from the annular groove. At this time, since the partitions are fixed in the annular groove, the partitions support the flanging of the formed product, so there will be a certain gap between the flanging of the formed product and the bottom wall of the annular groove. Using the gap can facilitate the removal of the formed product from the first injection groove, achieving the purpose of facilitating demolding and improving the convenience of operation during demolding.

[0009] Optionally, four sliding grooves are symmetrically arranged, four partitions are symmetrically arranged, the sliding component includes a slider, a rotating disk, a linkage rod and a driving member. An installation cavity is arranged in the lower mold, and the sliding components are all arranged in the installation cavity. The rotating disk is rotatably arranged in the installation cavity, and the driving member is used to drive the rotating disk to rotate; a connecting groove is opened on the bottom wall of the sliding groove, the slider is slidably arranged in the connecting groove, the slider is connected to the bottom wall of the slide plate, one end of the linkage rod is hinged to the slider, and the other end of the linkage rod is hinged to the upper surface of the rotating disk.

[0010] By adopting the above technical solution, during injection molding, the annular groove is filled by four slide plates and four partitions, and the filling effect is good, which is beneficial to improving the product quality; when it is necessary to drive the slide plate to slide in the sliding groove, drive the rotating disk to rotate through the driving member. When the rotating disk rotates, it applies a pulling force or a pushing force to the four linkage rods. Since both ends of the linkage rod are hinged, four sliders are simultaneously driven to slide in the connecting groove, and when the sliders slide, they drive the slide plate to slide in the sliding groove, achieving the effect of driving multiple slide plates to slide simultaneously by the rotation of one rotating disk, which is beneficial to saving the production cost of the equipment.

[0011] Optionally, the driving member includes a cylinder, a rack and a gear. The gear is fixedly arranged on the lower surface of the rotating disk. The cylinder is arranged in the installation cavity. The rack is fixed to the piston rod of the cylinder, and the rack meshes with the gear.

[0012] By adopting the above technical solution, when driving the rotating disk to rotate, the piston rod of the air cylinder extends and retracts to drive the rack to move. When the rack moves, it abuts against the gear, thereby driving the gear to rotate, and then driving the rotating disk connected to the gear to rotate. The control is convenient and fast, and the response speed is fast, which is beneficial to improving the processing efficiency.

[0013] Optionally, the sliding plate includes a sliding board and a flipping board. The sliding board is slidably arranged in the chute, and the slider is connected to the sliding board. The flipping board is rotatably arranged between adjacent partition boards. A flipping assembly is arranged between the flipping board and the sliding board. The flipping assembly is used to drive the flipping board to rotate away from the annular groove when the sliding board slides away from the annular groove.

[0014] By adopting the above technical solution, during demolding, the sliding assembly drives the slider to slide, and then drives the sliding board connected to the slider to slide. When the sliding board slides away from the annular groove, the flipping assembly drives the flipping board to rotate away from the annular groove, so that the flipping board between adjacent partition boards rotates upward above the lower mold. When the flipping board rotates, it can lift the flanging of the product above the partition board, raising the flanging of the formed product. The four flipping boards are symmetric with each other and simultaneously raise the flanging of the formed product, which is beneficial to further improving the convenience of the operation during demolding.

[0015] Optionally, the flipping assembly includes a rotating shaft and a connecting rope. The rotating shaft passes through and is rotatably connected between the flipping board and the partition board. The rotating shaft is fixedly connected to the flipping board. A flipping cavity is formed in the flipping board. The rotating shaft passes through the flipping cavity. One end of the flipping board facing the sliding board is provided with a flipping hole, and the flipping hole communicates with the flipping cavity. One end of the connecting rope is connected to the sliding board, and the other end of the connecting rope passes through the flipping hole and extends into the flipping cavity to be connected to the rotating shaft. The connecting rope is wound around the rotating shaft.

[0016] By adopting the above technical solution, when the sliding assembly drives the slider to slide away from the annular groove, it further drives the sliding board to slide away from the annular groove. When the sliding board slides, it pulls the rotating shaft through the connecting rope, and the rotating shaft in the flipping cavity rotates under the pulling force. Since the rotating shaft is fixedly connected to the flipping board, the flipping board is driven to rotate.

[0017] Optionally, the flipping assembly further includes a torsion spring. The torsion spring is arranged on the rotating shaft and is used to drive the flipping board to rotate towards the annular groove.

[0018] By adopting the above technical solution, before injection molding, the sliding component drives the sliding plate to slide towards the flipping plate, making the sliding plate fit against the flipping plate. At this time, under the elastic force of the torsion spring, the torsion spring drives the flipping plate to rotate towards the ring groove direction, and the connecting rope automatically winds around the rotating shaft. The flipping plate rotates into the ring groove and cooperates with the partition plate to fill the ring groove, realizing the automatic reset of the flipping plate and the connecting rope, saving manual operation steps and being beneficial to improving the processing efficiency.

[0019] Optionally, the slider and the sliding plate are detachably connected. The lower mold includes a base, a connecting seat, and a connecting component. The connecting seat is located above the base. The installation cavity is arranged on the base. The sliding groove, the ring groove, and the first injection groove are all located on the connecting seat. The connecting component is used to connect the connecting seat and the base.

[0020] By adopting the above technical solution, the slider and the sliding plate can be detached from each other, so that the connecting seat and the base can be separated, facilitating the installation and maintenance of the sliding component.

[0021] Optionally, the connecting component includes a connecting plate, a first connecting bolt, and a second connecting bolt. The connecting plate is jointly attached to the outer walls of the base and the connecting seat. The first connecting bolt passes through the connecting plate and is threadedly connected to the base. The second connecting bolt passes through the connecting plate and is threadedly connected to the connecting seat.

[0022] Optionally, a clamping block is fixedly arranged on the lower surface of the sliding plate. The clamping block passes through the connecting groove. A clamping groove for the clamping block to be inserted and abutted is formed on the upper surface of the slider.

[0023] By adopting the above technical solution, when maintenance is required, rotate the first connecting bolt to separate it from the base, and rotate the second connecting bolt to separate it from the connecting seat. At this time, the connecting seat can be separated from the base. Lift the connecting seat, and the clamping block and the clamping groove are separated from each other, facilitating the maintenance and replacement of the sliding component in the installation cavity. When assembly is required, install the connecting seat on the base and align the clamping block with the clamping groove. When the connecting seat is completely attached to the base, the clamping block abuts in the clamping groove, realizing the quick connection of the slider and the sliding plate. Then, make the connecting plate jointly attached to the outer walls of the base and the connecting seat, and rotate the first connecting bolt and the second connecting bolt to connect and fix the base and the connecting seat. The operation is convenient and fast, and the connection and fixation effect is good at the same time.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. By providing a ring groove, a sliding groove, a sliding plate, and a sliding assembly including a slider, a rotating disk, a linkage rod, and a driving member, during demolding, the driving member is used to drive the sliding plate to slide away from the ring groove, causing the sliding plate to disengage from the ring groove. At this time, since the partition plate is fixed in the ring groove, the partition plate supports the flanging of the molded product, so there will be a certain gap between the flanging of the molded product and the bottom wall of the ring groove. Taking advantage of this gap can facilitate the removal of the molded product from the first injection groove, achieving the purpose of easy demolding and improving the convenience of the operation during demolding.

[0026] 2. By providing a sliding plate, a flipping plate, a rotating shaft, and a connecting rope, when the sliding assembly drives the slider to slide away from the ring groove, it further drives the sliding plate to slide away from the ring groove. When the sliding plate slides, it pulls the rotating shaft through the connecting rope, and the rotating shaft in the flipping cavity rotates under the pulling force. Since the rotating shaft is fixedly connected to the flipping plate, it further drives the flipping plate to rotate. When the flipping plate rotates, it can lift the flanging of the product above the partition plate, raising the flanging of the molded product, which is beneficial to further improving the convenience of the operation during demolding.

[0027] 3. By providing a torsion spring, before injection molding, the sliding assembly drives the sliding plate to slide towards the flipping plate, causing the sliding plate to fit the flipping plate. At this time, under the elastic force of the torsion spring, the torsion spring drives the flipping plate to rotate towards the ring groove direction, and the connecting rope automatically winds around the rotating shaft. The flipping plate rotates into the ring groove to cooperate with the partition plate to fill the ring groove, realizing the automatic reset of the flipping plate and the connecting rope, saving manual operation steps and being beneficial to improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic cross-sectional view of an injection mold provided in the related art;

[0029] Figure 2 is a schematic structural view of an injection mold for facilitating demolding provided in an embodiment of the present application;

[0030] Figure 3 is a schematic cross-sectional view of an injection mold for facilitating demolding provided in an embodiment of the present application;

[0031] Figure 4 is Figure 3 an enlarged view of part A in

[0032] Figure 5 a schematic diagram for showing the connection relationship between the sliding assembly and the sliding plate in an embodiment of the present application.

[0033] In the figure, 11 is the upper mold; 111 is the second injection groove; 12 is the lower mold; 121 is the first injection groove; 122 is the installation cavity; 2 is the annular groove; 21 is the partition plate; 3 is the sliding groove; 31 is the sliding plate; 311 is the sliding board; 312 is the flipping plate; 32 is the connecting groove; 4 is the sliding component; 41 is the slider; 42 is the rotating disk; 43 is the linkage rod; 44 is the driving part; 441 is the cylinder; 442 is the rack; 443 is the gear; 5 is the flipping component; 51 is the rotating shaft; 52 is the connecting rope; 53 is the torsion spring; 6 is the flipping cavity; 61 is the flipping hole; 71 is the base; 72 is the connecting seat; 73 is the connecting component; 731 is the connecting plate; 732 is the first connecting bolt; 733 is the second connecting bolt; 8 is the clamping block; 81 is the clamping groove. Specific embodiments

[0034] The following will Figure 2 - attached Figure 5 drawings are used to further illustrate the present application in detail.

[0035] An injection mold that is convenient for demolding. Referring to Figure 2 and Figure 3 , it includes an upper mold 11 and a lower mold 12. A first injection groove 121 is opened on the upper surface of the lower mold 12, and a second injection groove 111 is opened on the lower surface of the upper mold 11. The second injection groove 111 corresponds to the first injection groove 121, and the diameter of the second injection groove 111 is larger than that of the first injection groove 121. An annular groove 2 is provided on the upper surface of the lower mold 12. The annular groove 2 communicates with the first injection groove 121, and the annular groove 2 and the first injection groove 121 are coaxially arranged. A plurality of sliding grooves 3 are communicated with the inner wall of the annular groove 2. The sliding grooves 3 are arranged on the surface of the lower mold 12. In this embodiment, four sliding grooves 3 are symmetrically arranged. A sliding plate 31 is slidably arranged in the sliding groove 3, and the sliding plate 31 can slide along the length direction of the sliding groove 3 in the sliding groove 3.

[0036] Referring to Figure 2 , Figure 3 and Figure 4, a plurality of partition plates 21 are arranged in the annular groove 2. In this embodiment, four partition plates 21 are symmetrically arranged, and the partition plates 21 are fixedly connected to the inner wall of the annular groove 2. The sliding plate 31 is located between adjacent partition plates 21, and the top walls of the sliding plate 31 and the partition plates 21 are flush with the upper surface of the lower mold 12. The sliding plate 31 includes a sliding plate 311 and a flipping plate 312. The sliding plate 311 is slidably arranged in the sliding groove 3, and the flipping plate 312 is rotatably arranged between adjacent partition plates 21. A plurality of flipping plates 312 and the sliding plate 31 can fill the annular groove 2. During injection molding, the lower mold 12 and the upper mold 11 are moved closer to each other so that the upper mold 11 and the lower mold 12 are fitted together, and the second injection groove 111 is communicated with the first injection groove 121. Injection is carried out into the first injection groove 121 and the second injection groove 111. Since the diameter of the second injection groove 111 is larger than that of the first injection groove 121, and the annular groove 2 is communicated with the first injection groove 121, after injection molding, the flanged product will adhere to the upper surfaces of the flipping plate 312 and the partition plate 21.

[0037] Refer to Figure 3 and Figure 5 , a sliding component 4 is arranged in the lower mold 12, and the sliding component 4 can drive the sliding plate 311 to slide in the sliding groove 3. The sliding component 4 includes a slider 41, a rotating disk 42, a linkage rod 43 and a driving member 44. An installation cavity 122 is formed in the lower mold 12, and the sliding component 4 is arranged in the installation cavity 122. The rotating disk 42 is rotatably arranged on the bottom wall of the installation cavity 122 through a rotating shaft, and the driving member 44 is used to drive the rotating disk 42 to rotate. A connecting groove 32 is formed in the bottom wall of the sliding groove 3, and the length direction of the connecting groove 32 is arranged along the length direction of the sliding groove 3. The sliding groove 3 is communicated with the installation cavity 122 through the connecting groove 32. The slider 41 is slidably arranged in the connecting groove 32, and the slider 41 is connected to the bottom wall of the sliding plate 31. One end of the linkage rod 43 is hinged to the slider 41, and the other end of the linkage rod 43 is hinged to the upper surface of the rotating disk 42.

[0038] Refer to Figure 3 and Figure 5, the driving member 44 includes a cylinder 441, a rack 442, and a gear 443. The gear 443 is fixedly arranged on the lower surface of the rotating disk 42 by welding, and the gear 443 and the rotating disk 42 are coaxially arranged. The cylinder 441 is fixedly arranged in the installation cavity 122 by bolts. The rack 442 is fixedly connected to the piston rod of the cylinder 441, and the rack 442 meshes with the gear 443. By the telescopic movement of the piston rod of the cylinder 441, the rack 442 is driven to abut against the gear 443, thereby driving the gear 443 to rotate, and then driving the rotating disk 42 to rotate. When the rotating disk 42 rotates, a thrust is applied to the four linkage rods 43. Since the two ends of the linkage rod 43 are hinged, the four sliders 41 are simultaneously driven to slide in the connecting groove 32. The slider 41 then drives the sliding plate 311 to slide away from the annular groove 2 in the sliding groove 3, achieving the effect of driving multiple sliding plates 311 to slide simultaneously by the rotation of one rotating disk 42.

[0039] Refer to Figure 3 and Figure 4 , a flipping assembly 5 is arranged between the flipping plate 312 and the sliding plate 311. The flipping assembly 5 includes a rotating shaft 51 and a connecting rope 52. The rotating shaft 51 passes through and is rotatably connected between the flipping plate 312 and the partition plate 21. The rotating shaft 51 is fixedly connected to the flipping plate 312 by welding, and the flipping plate 312 and the partition plate 21 are rotatably connected through the rotating shaft 51. A flipping cavity 6 is formed in the flipping plate 312. The rotating shaft 51 passes through the flipping cavity 6. One end of the flipping plate 312 facing the sliding plate 311 is provided with a flipping hole 61, and the flipping hole 61 communicates with the flipping cavity 6. One end of the connecting rope 52 is connected to the side wall of the sliding plate 311, and the other end of the connecting rope 52 passes through the flipping hole 61 and extends into the flipping cavity 6. The connecting rope 52 is wound around the rotating shaft 51 and adhesively connected to the rotating shaft 51. After injection molding, the four sliding plates 311 are driven by the driving member 44 to simultaneously slide away from the annular groove 2 in the sliding groove 3. When the sliding plate 311 slides, the rotating shaft 51 is pulled by the connecting rope 52. The rotating shaft 51 in the flipping cavity 6 rotates under the pulling force, thereby driving the flipping plate 312 to rotate upward above the lower mold 12 in the annular groove 2. When the flipping plate 312 rotates, the flanging of the product above the partition plate 21 can be pushed up, raising the flanging of the molded product. The four flipping plates 312 simultaneously push up the flanging of the molded product, thus facilitating the demolding of the molded product from the mold and improving the convenience during discharging.

[0040] Refer to Figure 3 and Figure 5, the flipping assembly 5 further includes a torsion spring 53, and the torsion spring 53 is arranged at the rotational connection between the rotating shaft 51 and the partition plate 21. Before injection molding, the sliding assembly 4 drives the sliding plate 311 to slide towards the flipping plate 312. At this time, under the action of the torsion spring 53, the torsion spring 53 drives the flipping plate 312 to rotate towards the annular groove 2, so that the connecting rope 52 automatically resets and is sleeved on the rotating shaft 51, and the flipping plate 312 automatically resets and rotates into the annular groove 2, enabling the flipping disc to cooperate with the partition plate 21 to fill the annular groove 2, realizing the automatic reset of the flipping plate 312 and the connecting rope 52, and further improving the convenience of operation.

[0041] Refer to Figure 3 and Figure 5 , a clamping block 8 is fixedly welded on the lower surface of the sliding plate 311. The clamping block 8 is located in the connecting groove 32, and a clamping groove 81 for the clamping block 8 to be inserted and abutted is formed on the upper surface of the sliding block 41. Through the cooperation between the clamping block 8 and the clamping groove 81, the detachable connection between the sliding plate 311 and the sliding plate 31 is realized.

[0042] Refer to Figure 2 , the lower mold 12 includes a base 71, a connecting seat 72 and a connecting component 73. The connecting seat 72 is located above the base 71. The installation cavity 122 is arranged on the base 71. The sliding groove 3, the annular groove 2 and the first injection molding groove 121 are all located on the connecting seat 72. The connecting component 73 includes a connecting plate 731, a first connecting bolt 732 and a second connecting bolt 733. A plurality of connecting components 73 are provided. The side wall of the connecting plate 731 is jointly attached to the outer walls of the base 71 and the connecting seat 72. The first connecting bolt 732 penetrates through the connecting plate 731 and is threadedly connected to the base 71, and the second connecting bolt 733 penetrates through the connecting plate 731 and is threadedly connected to the connecting seat 72. By rotating the first connecting bolt 732 and the second connecting bolt 733, the connecting plate 731 can be separated from the base 71 and the connecting seat 72, and then the connecting seat 72 is lifted, so that the clamping block 8 and the clamping groove 81 are separated from each other, and the connecting seat 72 and the base 71 are separated, facilitating the repair and replacement of the sliding assembly 4 in the installation cavity 122 and being beneficial to extending the service life of the mold.

[0043] The implementation principle of the embodiment of the present application is as follows:

[0044] When demoulding is required, by starting the cylinder 441, the piston rod of the cylinder 441 extends, driving the rack 442 to move. The rack 442 abuts against the gear 443, driving the rotating disc 42 to rotate. When the rotating disc 42 rotates, it applies a thrust to the four linkage rods 43, driving the slider 41 to slide in the connecting groove 32, and then driving the sliding plate 311 in the sliding groove 3 to slide away from the annular groove 2. When the sliding plate 311 slides, it pulls the rotating shaft 51 through the connecting rope 52. The rotating shaft 51 drives the turning plate 312 to rotate, so that the turning plate 312 rotates upward above the lower die 12. When the turning plate 312 rotates, it can jack up the flanging of the product above the partition plate 21, raising the flanging of the formed product. The four turning plates 312 are symmetric with each other and raise the flanging of the formed product at the same time, thus achieving the effect of improving the convenience of operation during demoulding, with convenient operation and low cost at the same time.

[0045] The embodiments of this specific implementation manner are all preferred embodiments of this application, and do not limit the protection scope of this application accordingly. The same components are denoted by the same reference numerals. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. An injection mold facilitating demolding, comprising an upper mold (11) and a lower mold (12). A first injection groove (121) is formed on the upper surface of the lower mold (12), and a second injection groove (111) is formed on the lower surface of the upper mold (11), characterized in that, The upper surface of the lower mold (12) is provided with an annular groove (2), the annular groove (2) is in communication with the first injection groove (121), and a plurality of sliding grooves (3) are communicated with the inner wall of the annular groove (2). A sliding plate (31) slides in the sliding groove (3), and a sliding assembly (4) is arranged in the lower mold (12). The sliding assembly (4) is used to drive the sliding plate (31) to slide in the sliding groove (3); a plurality of partition plates (21) are fixedly arranged in the annular groove (2), and the sliding plate (31) can extend between adjacent partition plates (21) in the annular groove (2). The partition plates (21) and the sliding plate (31) can fill the annular groove (2), and the top walls of the sliding plate (31) and the partition plates (21) are flush with the upper surface of the lower mold (12); four sliding grooves (3) are symmetrically arranged, and four partition plates (21) are symmetrically arranged. The sliding assembly (4) includes a slider (41), a rotating disk (42), a linkage rod (43) and a driving member (44). An installation cavity (122) is arranged in the lower mold (12), and the sliding assembly (4) is arranged in the installation cavity (122). The rotating disk (42) is rotatably arranged in the installation cavity (122), and the driving member (44) is used to drive the rotating disk (42) to rotate; a connection groove (32) is formed in the bottom wall of the sliding groove (3), the slider (41) slides in the connection groove (32), the slider (41) is connected to the bottom wall of the sliding plate (31), one end of the linkage rod (43) is hinged to the slider (41), and the other end of the linkage rod (43) is hinged to the upper surface of the rotating disk (42); the sliding plate (31) includes a sliding board (311) and a flipping board (312). The sliding board (311) slides in the sliding groove (3), the slider (41) is connected to the sliding board (311), the flipping board (312) is rotatably arranged between adjacent partition plates (21), and a flipping assembly (5) is arranged between the flipping board (312) and the sliding board (311). The flipping assembly (5) is used to drive the flipping board (312) to rotate away from the annular groove (2) when the sliding board (311) slides away from the annular groove (2).The flipping assembly (5) includes a rotating shaft (51) and a connecting rope (52). The rotating shaft (51) is rotatably connected between the flipping plate (312) and the partition plate (21) through the flipping plate (312). The rotating shaft (51) is fixedly connected to the flipping plate (312). A flipping cavity (6) is formed in the flipping plate (312). The rotating shaft (51) penetrates through the flipping cavity (6). One end of the flipping plate (312) facing the sliding plate (311) is provided with a flipping hole (61). The flipping hole (61) communicates with the flipping cavity (6). One end of the connecting rope (52) is connected to the sliding plate (311). The other end of the connecting rope (52) penetrates through the flipping hole (61) and extends into the flipping cavity (6) to be connected to the rotating shaft (51). The connecting rope (52) is wound around the rotating shaft (51). The flipping assembly (5) further includes a torsion spring (53). The torsion spring (53) is arranged on the rotating shaft (51). The torsion spring (53) is used to drive the flipping plate (312) to rotate towards the ring groove (2).; 2. The injection mold for convenient demolding according to claim 1, wherein The driving member (44) includes a cylinder (441), a rack (442) and a gear (443). The gear (443) is fixedly arranged on the lower surface of the rotating disk (42). The cylinder (441) is arranged in the installation cavity (122). The rack (442) is fixedly connected to the piston rod of the cylinder (441). The rack (442) meshes with the gear (443).

3. The injection mold for convenient demolding according to claim 1, wherein The slider (41) is detachably connected to the sliding plate (31). The lower die (12) includes a base (71), a connecting seat (72) and a connecting component (73). The connecting seat (72) is located above the base (71). The installation cavity (122) is arranged on the base (71). The sliding groove (3), the annular groove (2) and the first injection molding groove (121) are all located on the connecting seat (72). The connecting component (73) is used to connect the connecting seat (72) and the base (71).

4. The injection mold convenient for demolding according to claim 3, wherein, The connecting component (73) includes a connecting plate (731), a first connecting bolt (732) and a second connecting bolt (733). The connecting plate (731) is jointly attached to the outer walls of the base (71) and the connecting seat (72). The first connecting bolt (732) passes through the connecting plate (731) and is threadedly connected to the base (71). The second connecting bolt (733) passes through the connecting plate (731) and is threadedly connected to the connecting seat (72).

5. The injection mold for convenient demolding according to claim 3, wherein A clamping block (8) is fixedly arranged on the lower surface of the sliding plate (31). The clamping block (8) passes through the connecting groove (32). A clamping slot (81) for the clamping block (8) to be inserted and abutted is formed on the upper surface of the slider (41).

Images