Quick mold changing mechanism for injection mold

Abstract

The invention relates to the technical field of injection molding equipment, and discloses an injection mold rapid mold changing mechanism which comprises a supporting base, a storage mechanism for storing injection molding raw materials is arranged on the supporting base, an injection molding mechanism and a mold mechanism matched with the injection molding mechanism for injection molding are arranged on the supporting base, and a connecting sleeve is slidably arranged on the supporting base; according to the mold locking mechanism, the unlocking state and the locking state are synchronously switched in the rotating process through the multiple sets of mold locking mechanisms so that the mold mechanisms can be locked and unlocked, multiple sets of bolts do not need to be repeatedly disassembled and assembled, meanwhile, the multiple sets of mold mechanisms can be synchronously replaced at a time, and the mold locking mechanism is convenient to use and high in practicability. And the mold changing speed is increased, the downtime caused by mold changing is shortened, the injection molding mechanism can conduct injection molding operation on the multiple sets of mold mechanisms synchronously, and the injection molding efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of injection molding equipment, in particular to a quick mold changing mechanism for an injection mold. Background Art

[0002] An injection mold is a mold that is made by injecting heated and molten plastic into a mold cavity under high pressure from an injection molding machine, and then cooling and solidifying it to obtain a mold for a formed product. It processes plastic raw materials into plastic products with specific shapes, sizes and precision requirements based on the physical properties of the plastic, such as extrudability and moldability, and using the pressure, speed and other conditions provided by the injection molding machine.

[0003] During the use of existing injection molds, it is inevitable to replace the injection molds due to wear and tear or production needs. Since the existing injection molds are usually connected to the injection base by multiple sets of bolts during installation, when the injection mold needs to be replaced, multiple sets of bolts need to be disassembled and assembled, which is inefficient. The injection tube and the injection mold also need to be disassembled and reconnected after installation, and only one set of injection molds can be replaced at a time. When encountering a production situation where there are many types of products but a small quantity of each type, the injection molds need to be replaced frequently, resulting in excessive downtime due to mold change, thereby reducing the production efficiency of injection molded products. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the above difficulties and provide a quick mold changing mechanism for an injection mold.

[0005] In order to solve the above technical problems, the technical solution provided by the present invention is as follows: a quick mold changing mechanism for an injection mold, comprising a supporting base, a material storage mechanism for storing injection molding raw materials is provided on the supporting base, an injection molding mechanism and a mold mechanism for performing injection molding in cooperation with the injection molding mechanism are provided on the supporting base, a connecting sleeve is slidably provided on the supporting base, a connecting gear ring is provided on the outer side of the connecting sleeve, a connecting gear meshing with the connecting gear ring is rotatably provided on the supporting base, the connecting gear is driven by a motor, a connecting top plate is provided on the upper end of the connecting sleeve, a locking mechanism for fixing the mold mechanism is provided on the connecting top plate, the locking mechanism comprises a mold changing bracket arranged on the connecting top plate, a locking slider is slidably provided in the mold changing bracket, A locking bracket is symmetrically rotated on the locking slide, a locking pressure plate is provided on the upper end of the locking bracket, an adjusting tube is symmetrically provided in the mold changing bracket, an adjusting nut is threadedly connected in the adjusting tube, an adjusting spring is provided on the upper end of the adjusting nut, an adjusting slide column connected to the adjusting spring is slidably provided in the adjusting tube, one end of the adjusting slide column extends out of the adjusting tube and movably abuts against the locking bracket, a mold changing slide rod is slidably provided on the mold changing bracket, a mold changing cross plate is provided on the mold changing slide rod, the locking slide rod is sleeved on the outer side of the mold changing cross plate, a mold changing slide rod is provided at the lower end of the mold changing slide rod, a support block is provided on the support base, a support slide groove is provided on the outer side of the support block, the support slide groove includes an oblique groove and a horizontal groove connected to each other, and the mold changing slide rod slides with the support slide groove.

[0006] As an improvement, the mold mechanism includes a mold bracket movably arranged on the mold changing bracket and cooperating with the locking pressure plate, the mold bracket is provided with a mold support plate, the mold support plate is symmetrically provided with supporting slide rails, the supporting slide rails are symmetrically slidably provided with connecting sliders, one group of the connecting sliders is provided with a male template, the male template is connected to an injection molding tube, another group of the connecting sliders is provided with a female template corresponding to the male template, and the mold support plate is provided with a driving mechanism for driving the male template and the female template to move synchronously.

[0007] As an improvement, the driving mechanism includes a fixed rod symmetrically arranged on the mold support plate, a driving support rod is rotatably provided on the fixed rod, a top support sliding sleeve is rotatably provided at one end of the driving support rod, a rotating rod rotatably connected to the top support sliding sleeve is rotatably provided on the male template and the female template, a driving electric push rod is provided on the support slide rail, a top support sliding column is provided at the telescopic end of the driving electric push rod, and the top support sliding column is slidably matched with the two groups of top support sliding sleeves on the same side.

[0008] As an improvement, the mold support plate is symmetrically provided with a blanking mechanism for pushing the injection molded product out of the male template and the female template. The blanking mechanism includes a blanking plate arranged on the mold support plate. The blanking plate is a Y-shaped structure. A blanking bracket is slidably provided on the blanking plate. A group of the blanking brackets extend into the inner side of the male template and are provided with a blanking top plate at one end. The blanking bracket is sleeved with a blanking spring connected to the blanking plate.

[0009] As an improvement, the mold support plate is provided with a pushing mechanism which moves with the male mold plate to push the injection molded product out of the mold support plate. The pushing mechanism includes a pushing gear rotatably arranged on the mold support plate, a pushing rack meshing with the pushing gear is provided at the lower end of the male mold plate, a mating rack meshing with the pushing gear is slidably provided on the mold support plate, a pushing plate is provided at one end of the mating rack, a pushing plate is slidably provided with a pushing stopper, and pushing tension springs connected to the pushing plate are provided on both sides of the pushing stopper.

[0010] As an improvement, the material storage mechanism includes a material storage box arranged on a supporting base, a stirring rod is rotatably provided in the material storage box, the stirring rod is driven by a motor, a heating rod is provided in the material storage box, and a feeding pipe connected to the injection molding mechanism is provided on the material storage box.

[0011] As an improvement, the injection molding mechanism includes a carrying plate arranged on a material storage box, a carrying electric push rod is provided on the carrying plate, a buffer box connected to a feed pipe is provided at the telescopic end of the carrying electric push rod, a plurality of fixed frames are equidistantly arranged around the buffer box in a circumferential direction, an L bracket is rotatably provided on the fixed frame, a matching block is rotatably provided on the L bracket, a plurality of injection molding brackets are equidistantly arranged around the carrying plate in a circumferential direction, the injection molding brackets are arranged corresponding to the fixed frames, an injection molding rod rotatably connected to the matching block is rotatably provided on the injection molding bracket, an adjusting frame is connected to the matching block by bolts, an injection molding head matching the injection molding pipe is provided on the adjusting frame, and a material delivery pipe connected to the buffer box is provided at one end of the injection molding head.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: multiple sets of mold locking mechanisms synchronously switch between unlocking and locking states during the rotation process, and the mold locking mechanism locks the mold mechanism when it enters the locking state. The injection molding mechanism can transport the injection molding raw materials in the material storage mechanism to the mold mechanism for injection molding. The mold locking mechanism enters the unlocking state, and the mold mechanism can be replaced as needed. Multiple sets of mold mechanisms can be replaced synchronously at one time without repeatedly disassembling and assembling multiple sets of bolts, thereby improving the mold changing speed and reducing the downtime caused by mold changing. The injection molding mechanism can synchronously perform injection molding operations on multiple sets of mold mechanisms, thereby improving the injection molding efficiency. Specifically: 1. During the rotation of the mold-changing bracket, the mold-changing slider is driven to slide along the supporting slide groove. When the mold-changing slider drives the mold-changing slide bar to slide upward, the mold-changing horizontal plate drives the locking slider to slide upward synchronously, and the locking bracket is synchronously rotated and opened. At this time, multiple sets of locking brackets are in an unlocked state, and multiple sets of mold mechanisms to be replaced can be easily removed and replaced with new mold mechanisms. When the mold-changing slide bar slides downward, the mold-changing horizontal plate drives the locking slider to slide downward synchronously. During the downward movement of the locking slider, the locking bracket is synchronously rotated and closed. At this time, multiple sets of mold mechanisms are synchronously locked. Since multiple sets of mold mechanisms can be replaced and locked synchronously, the efficiency of mold change is greatly improved, the downtime caused by mold change is reduced, and the injection molding efficiency is improved; 2. After the injection molding is completed, the male mold plate drives the push rack to move to the left, the push gear rotates in the opposite direction, and the push gear drives the mating rack meshing with it to move to the right. The mating rack drives the push plate and the push block to move to the right synchronously to push the injection molded product out of the unloading guide groove, so as to realize the unloading of the injection molded product. Through the linkage structure, the unloading of the injection molded product can be completed without the need to set up power components or manpower, avoiding the wear of the appearance of the injection molded product caused by the accumulation of the injection molded product. At the same time, it can save energy and reduce maintenance costs. In addition, the operator is away from the high-temperature male mold plate and female mold plate, which improves the protection of the operator; 3. The load-bearing electric push rod is shortened, the buffer box drives the L bracket to rotate in the opposite direction through the fixed frame, the matching block moves away from the buffer box, and the matching block drives the injection head to move synchronously through the adjustment frame. The injection head is connected to the injection tube. At this time, injection molding can be carried out. Since multiple groups of mold mechanisms can be injected at the same time, the efficiency of the injection molding operation is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The invention discloses a structural schematic diagram of a quick mold changing mechanism for an injection mold.

[0014] Figure 2 The invention discloses an exploded view of a quick mold changing mechanism for an injection mold.

[0015] Figure 3 The present invention is a cross-sectional view of a quick mold changing mechanism for an injection mold.

[0016] Figure 4 The invention discloses a structural schematic diagram of a mold locking mechanism of a quick mold changing mechanism for an injection mold.

[0017] Figure 5 The invention discloses an exploded view of a mold locking mechanism of a quick mold changing mechanism for an injection mold.

[0018] Figure 6 The invention is a cross-sectional view of a locking mechanism of a quick mold change mechanism for an injection mold Figure 1 .

[0019] Figure 7 The invention is a cross-sectional view of a locking mechanism of a quick mold change mechanism for an injection mold Figure 2 .

[0020] Figure 8 The invention discloses a structural schematic diagram of a mold mechanism of a quick mold changing mechanism for an injection mold.

[0021] Fig. 9 The invention discloses an exploded view of a mold mechanism of a quick mold changing mechanism for an injection mold.

[0022] Fig.10The present invention is a cross-sectional view of a mold mechanism of a quick mold change mechanism for an injection mold.

[0023] Fig.11 The invention discloses an exploded view of an injection molding mechanism of a quick mold changing mechanism for an injection mold.

[0024] Fig.12 The present invention is a cross-sectional view of a material storage mechanism of a quick mold changing mechanism for an injection mold.

[0025] Fig.13 The invention discloses a cross-sectional view of a connecting sleeve portion of a quick mold changing mechanism for an injection mold.

[0026] As shown in the figure: 1. Support base; 11. Support block; 12. Support slide; 2. Material storage mechanism; 21. Material storage box; 22. Heating rod; 23. Feed pipe; 24. Stirring rod; 3. Injection mechanism; 31. Injection support; 32. Injection rod; 33. L support; 34. Adjustment frame; 341. Injection head; 342. Material delivery pipe; 35. Buffer box; 351. Fixed frame; 36. Loading plate; 361. Loading electric push rod; 3 7. Matching block; 4. Locking mechanism; 41. Mold changing bracket; 411. Centering plate; 412. Centering spring; 413. Anti-rebound ejector rod; 414. Anti-rebound spring; 42. Mold changing slide bar; 421. Mold changing cross plate; 422. Mold changing column; 423. Mold changing slide block; 43. Locking slide block; 431. Locking bracket; 432. Locking pressure plate; 433. Locking pressure block; 44. Adjusting slide column; 441. Adjusting spring; 442. Adjusting screw 443, adjusting tube; 5, connecting sleeve; 51, connecting top plate; 52, connecting ring; 53, connecting gear; 54, connecting gear ring; 6, mold mechanism; 61, mold bracket; 611, mold support plate; 612, supporting slide rail; 613, locking pressure groove; 614, material guide groove; 62, connecting slider; 621, male mold plate; 622, female mold plate; 623, injection tube; 63, material discharge mechanism; 631, material discharge plate; 6 32. Material unloading bracket; 633. Material unloading top plate; 634. Material unloading spring; 64. Driving mechanism; 641. Fixed rod; 642. Driving support rod; 643. Top support sliding sleeve; 644. Rotating rod; 645. Top support sliding column; 646. Driving electric push rod; 65. Material pushing mechanism; 651. Material pushing rack; 652. Material pushing gear; 653. Matching rack; 654. Material pushing plate; 655. Material pushing stopper; 656. Material pushing tension spring. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0028] Combined with Figure 1 , Attachment Figure 2 , Attachment Figure 3 With attached Fig.13As shown, a quick mold changing mechanism for an injection mold comprises a supporting base 1, on which a material storage mechanism 2 for storing injection molding raw materials is provided, on which an injection molding mechanism 3 and a mold mechanism 6 for cooperating with the injection molding mechanism 3 for injection molding are provided, and the mold mechanism 6 can be provided in multiple groups as needed, and a connecting sleeve 5 is slidably provided on the supporting base 1, and a connecting gear ring 54 is provided on the outer side of the connecting sleeve 5, and a connecting gear 53 meshing with the connecting gear ring 54 is rotatably provided on the supporting base 1, and the connecting gear 53 is driven by a motor, and a connecting top plate 51 is provided on the upper end of the connecting sleeve 5, and a plurality of connecting rings 52 are equidistantly provided on the connecting top plate 51 along the circumferential direction, and the connecting ring 52 is provided corresponding to the mold mechanism 6, and a locking mechanism 4 for fixing the mold mechanism 6 is provided on the connecting ring 52.

[0029] The working principle of the present invention is as follows: the motor drives the connecting gear 53 to rotate, and the connecting gear 53 drives the connecting sleeve 5 to rotate through the connecting gear ring 54 meshing therewith, and the connecting top plate 51 drives the connecting ring 52 to rotate synchronously, and the connecting ring 52 rotates synchronously through the locking mechanism 4, and multiple sets of locking mechanisms 4 synchronously switch between unlocking and locking states during the rotation process. When the locking mechanism 4 enters the locking state, the locking mechanism 4 locks the mold mechanism 6, and the position of the mold mechanism 6 is fixed. The injection molding mechanism 3 can transport the injection molding raw materials in the storage mechanism 2 to the mold mechanism 6 for injection molding, and as the locking mechanism 4 continues to rotate, the locking mechanism 4 enters the unlocking state, and the locking mechanism 4 releases the lock on the mold mechanism 6. At this time, the mold mechanism 6 can be replaced as needed, and multiple sets of mold mechanisms 6 can be replaced synchronously at one time, thereby improving the mold changing speed and reducing the downtime caused by mold changing. The injection molding mechanism 3 can synchronously perform injection molding operations on multiple sets of mold mechanisms 6, further improving the injection molding efficiency.

[0030] Combined with Figure 3 , Attachment Figure 4 , Attachment Figure 5 , Attachment Figure 6 , Attachment Figure 7 , Attachment Fig. 9 With attached Fig.13As shown, the locking mechanism 4 includes a mold changing bracket 41 arranged on the connecting top plate 51, the mold changing bracket 41 is a hollow structure, a locking slider 43 is slidably provided in the mold changing bracket 41, a locking bracket 431 is symmetrically rotated on the locking slider 43, the locking bracket 431 is a C-shaped structure, a locking pressure plate 432 is provided at the upper end of the locking bracket 431, the locking pressure plate 432 is a C-shaped structure, a locking pressure block 433 is symmetrically provided at the lower end of the locking pressure plate 432, an adjusting tube 443 is symmetrically provided in the mold changing bracket 41, an adjusting nut 442 is threadedly connected in the adjusting tube 443, an adjusting spring 441 is provided at the upper end of the adjusting nut 442, an adjusting slide column 44 connected to the adjusting spring 441 is slidably provided in the adjusting tube 443, and an adjusting slide column 44 connected to the adjusting spring 441 is slidably provided in the adjusting tube 443. One end of the slide column 44 extending out of the adjustment tube 443 is movably abutted against the locking bracket 431, a mold-changing slide rod 42 is slidably provided on the mold-changing bracket 41, a mold-changing cross plate 421 is provided on the mold-changing slide rod 42, the locking slide block 43 is sleeved on the outer side of the mold-changing cross plate 421, a mold-changing slide block 423 is provided at the lower end of the mold-changing slide rod 42, a mold-changing column 422 slidably matched with the mold-changing bracket 41 is provided at the upper end of the mold-changing slide rod 42, a sliding protrusion is provided on the mold-changing column 422, and a sliding groove matched with the sliding protrusion is provided on the mold-changing bracket 41, a support block 11 is provided on the support base 1, a support slide groove 12 is provided on the outer side of the support block 11, and the support slide groove 12 includes an oblique groove and a horizontal groove connected to each other, and the mold-changing slide block 423 slidably matches with the support slide groove 12; A centering disk 411 is slidably provided on the upper end of the mold changing bracket 41 , a centering spring 412 connected to the centering disk 411 is provided inside the mold changing bracket 41 , an anti-rebound push rod 413 is slidably provided on the mold changing bracket 41 , and an anti-rebound spring 414 connected to the anti-rebound push rod 413 is provided inside the mold changing bracket 41 .

[0031] The working principle of the mold locking mechanism 4 is as follows: during the rotation of the mold changing bracket 41 driven by the connecting top plate 51 through the connecting ring 52, the mold changing bracket 41 drives the mold changing slider 423 to slide along the supporting slide groove 12. When the mold changing slider 423 slides to a horizontal groove with a higher height, the mold changing slider 423 drives the mold changing slide bar 42 to slide upward along the axis of the mold changing bracket 41, and the mold changing cross plate 421 drives the locking slider 43 to slide upward synchronously. Due to the support of the locking bracket 431 by the adjusting slide column 44, the locking bracket 431 is synchronously rotated and opened during the upward movement of the locking slider 43, and is in an unlocked state at this time. On the contrary, when the mold changing slider 423 slides to a horizontal groove with a lower height, the mold changing slider 423 drives the mold changing slide bar 42 to slide downward along the axis of the mold changing bracket 41, and the mold changing cross plate 421 drives the locking slider 43 to slide downward synchronously. Due to the support of the locking bracket 431 by the adjusting slide column 44, the locking bracket 431 is synchronously rotated and closed during the downward movement of the locking slider 43, and is in a locked state at this time. Furthermore, when the mold mechanism 6 is placed on the mold changing bracket 41, the centering spring 412 cooperates with the centering disk 411 to perform self-centering on the mold mechanism 6, thereby improving the accuracy of the placement of the mold mechanism 6. At the same time, the setting of the anti-reverse ejector rod 413 avoids the reverse placement of the mold mechanism 6, thereby improving the accuracy of the operation, further improving the efficiency of the mold change, reducing the downtime caused by the mold change, and improving the injection molding efficiency.

[0032] Combined with Figure 3 , Attachment Figure 4 , Attachment Figure 8 , Attachment Fig. 9 With attached Fig.10 As shown, the mold mechanism 6 includes a mold bracket 61 movably arranged on the mold changing bracket 41 and matched with the locking pressure plate 432, a mold support plate 611 is provided on the mold bracket 61, and a locking pressure groove 613 matched with the locking pressure block 433 is provided on the mold support plate 611, and a supporting slide rail 612 is symmetrically provided on the mold support plate 611, and a connecting slider 62 is symmetrically slidably provided on the supporting slide rail 612, and a group of the connecting sliders 62 is provided with a male template 621, and the male template 621 is connected with an injection tube 623, and another group of the connecting sliders 62 is provided with a female template 622 corresponding to the male template 621, and the male template 621 and the female template 622 are both provided with corresponding cooling cavities and exhaust cavities, which is the current existing technology and is therefore not shown in the figure, and a driving mechanism 64 for driving the male template 621 and the female template 622 to move synchronously is provided on the mold support plate 611, and a material discharge guide groove 614 is obliquely provided on the mold support plate 611; The driving mechanism 64 includes a fixed rod 641 symmetrically arranged on the mold support plate 611, a driving support rod 642 is rotatably provided on the fixed rod 641, a top support sliding sleeve 643 is rotatably provided on one end of the driving support rod 642, a rotating rod 644 rotatably connected to the top support sliding sleeve 643 is rotatably provided on the male template 621 and the female template 622, a driving electric push rod 646 is rotatably provided on the support slide rail 612, and a top support sliding column 645 is provided at the telescopic end of the driving electric push rod 646, and the top support sliding column 645 is slidably matched with the two groups of top support sliding sleeves 643 on the same side.

[0033] The working principle of the mold mechanism 6 is as follows: the electric push rod 646 is driven to extend, and the electric push rod 646 drives the top support slide column 645 to move upward, and the top support slide column 645 drives the top support slide sleeve 643 that slides with it to move upward. In this process, due to the rotation limit of the top support slide sleeve 643 by the driving support rod 642, the two groups of top support slide sleeves 643 on the same side move upward and approach each other synchronously, and the rotating rod 644 rotates and drives the male mold plate 621 and the female mold plate 622 to approach each other until they are closed, and the mold is completed. After the mold closing operation is completed, injection molding can be carried out through the injection molding tube 623. On the contrary, the electric push rod 646 is driven to shorten, and the electric push rod 646 drives the top support sliding column 645 to move downward, and the top support sliding column 645 drives the top support sliding sleeve 643 that slides with it to move downward, and the two groups of top support sliding sleeves 643 on the same side move downward and move away from each other synchronously, and the rotating rod 644 rotates and drives the male template 621 and the female template 622 to move away from each other, thereby realizing mold opening, which is convenient for unloading the injection molded product.

[0034] Combined with Figure 8 , Attachment Fig. 9 With attached Fig.10 As shown, the mold support plate 611 is symmetrically provided with a blanking mechanism 63 for pushing the injection molded product out of the male template 621 and the female template 622. The blanking mechanism 63 includes a blanking plate 631 arranged on the mold support plate 611, and the injection tube 623 is fixedly arranged on the blanking plate 631. The connection between the injection tube 623 and the male template 621 is made of a retractable material. The blanking plate 631 is a Y-shaped structure. A blanking bracket 632 is slidably provided on the blanking plate 631. A group of the blanking brackets 632 extend into the inner side of the male template 621 and are provided with a blanking top plate 633 at one end. Multiple groups of blanking top plates 633 are provided. A blanking spring 634 connected to the blanking plate 631 is sleeved on the blanking bracket 632.

[0035] The working principle of the unloading mechanism 63 is as follows: when the male template 621 and the female template 622 move toward each other, the male template 621 and the female template 622 synchronously drive the corresponding unloading top plate 633 to move. Due to the elastic action of the unloading spring 634, the unloading top plate 633 and the male template 621 remain in contact, thereby preventing the unloading top plate 633 from moving arbitrarily and causing the quality of the injection molded product to deteriorate. When the male template 621 and the female template 622 move away from each other, the male template 621 and the female template 622 synchronously drive the corresponding unloading top plate 633 to move to the end of the unloading bracket 632 and contact the unloading plate 631. After that, the male template 621 and the female template 622 continue to move, and the position of the unloading top plate 633 remains fixed, thereby ejecting the injection molded product on the male template 621 or the female template 622 to realize the unloading operation. There is no need to manually unload the injection molded product, and the operation efficiency is high. At the same time, it can keep the operating personnel away from the high-temperature male template 621 and the female template 622, thereby improving the protection capability for the operating personnel.

[0036] Combined with Figure 8 , Attachment Fig. 9 With attached Fig.10 As shown, the mold support plate 611 is provided with a pushing mechanism 65 which moves with the male mold plate 621 to push the injection molded product out of the mold support plate 611, and the pushing mechanism 65 includes a pushing gear 652 rotatably set on the mold support plate 611, and a gear bracket is provided on the mold support plate 611, and the pushing gear 652 is rotatably set on the gear bracket, and the lower end of the male mold plate 621 is provided with a pushing rack 651 meshing with the pushing gear 652, and a matching rack 653 meshing with the pushing gear 652 is slidably provided on the gear bracket, and a pushing plate 654 is provided at one end of the matching rack 653, and a pushing plate 654 is slidably provided with a pushing stopper 655, and both sides of the pushing stopper 655 are provided with pushing tension springs 656 connected to the pushing plate 654.

[0037] The working principle of the push mechanism 65: When the male template 621 moves to the right for mold closing operation, the male template 621 drives the push rack 651 to move to the right synchronously, and the push rack 651 drives the push gear 652 meshing with it to rotate, and the push gear 652 drives the mating rack 653 meshing with it to move to the left, and the mating rack 653 drives the push plate 654 and the push stopper 655 to move to the left synchronously to prepare for the subsequent push. Afterwards, when the injection molding is completed, the male template 621 drives the push rack 651 to move to the left synchronously, and the push rack 652 drives the push plate 654 and the push stopper 655 to move to the left synchronously. The bar 651 drives the push gear 652 meshing with it to rotate in the opposite direction, and the push gear 652 drives the mating rack 653 meshing with it to move to the right, and the mating rack 653 drives the push plate 654 and the push stop block 655 to move to the right synchronously to push the injection molded product out of the unloading guide groove 614, thereby realizing the unloading of the injection molded product. Through the linkage structure, the unloading of the injection molded product can be completed without setting up power components or manpower participation, avoiding the wear of the appearance of the injection molded product caused by the accumulation of the injection molded products, and at the same time saving energy and reducing maintenance costs.

[0038] Combined with Figure 2 , Attachment Figure 3 , Attachment Fig.11 With attached Fig.12 As shown, the material storage mechanism 2 includes a material storage box 21 arranged on the support base 1, a stirring rod 24 is rotatably provided in the material storage box 21, the stirring rod 24 is driven by a motor, a heating rod 22 is provided in the material storage box 21, a feeding pipe 23 connected to the injection molding mechanism 3 is connected to the material storage box 21, and a delivery pump is provided on the feeding pipe 23, which is the current prior art and is therefore not reflected in the drawings; The injection molding mechanism 3 includes a supporting plate 36 arranged on the material storage box 21, and a supporting electric push rod 361 is provided on the supporting plate 36. The telescopic end of the supporting electric push rod 361 is provided with a buffer box 35 connected with the feed pipe 23, and a plurality of groups of fixing frames 351 are equidistantly arranged around the buffer box 35 along the circumferential direction. An L bracket 33 is rotatably provided on the fixing frame 351, and a matching block 37 is rotatably provided on the L bracket 33. A plurality of groups of injection molding brackets 31 are equidistantly arranged around the supporting plate 36 along the circumferential direction. The injection molding bracket 31 is arranged corresponding to the fixing frame 351, and an injection molding rod 32 rotatably connected to the matching block 37 is rotatably provided on the injection molding bracket 31. The matching block 37 is connected with an adjusting frame 34 by bolts, and an injection molding head 341 matching with the injection molding tube 623 is provided on the adjusting frame 34. One end of the injection molding head 341 is connected with a material conveying pipe 342 connected with the buffer box 35.

[0039] The working principle of the injection molding mechanism 3: the load-bearing electric push rod 361 is extended, and the load-bearing electric push rod 361 drives the buffer box 35 to move upward, and the buffer box 35 drives the L bracket 33 to rotate through the fixed frame 351. Due to the rotation limit of the injection molding rod 32, the matching block 37 moves toward the buffer box 35, and the matching block 37 drives the injection molding head 341 to move synchronously through the adjustment frame 34, and the injection molding head 341 is separated from the injection molding tube 623. At this time, the mold changing operation can be carried out. On the contrary, the load-bearing electric push rod 361 is shortened, the buffer box 35 moves downward, and the buffer box 35 drives the L bracket 33 to rotate in the opposite direction through the fixed frame 351, and the matching block 37 moves away from the buffer box 35. The matching block 37 drives the injection molding head 341 to move synchronously through the adjustment frame 34, and the injection molding head 341 is connected to the injection molding tube 623. At this time, the injection molding operation can be carried out.

[0040] During the specific implementation of the present invention, when the injection molding operation is required, the load-bearing electric push rod 361 is shortened, the buffer box 35 moves downward and drives the L bracket 33 to rotate in the opposite direction through the fixed frame 351, and the matching block 37 drives the injection head 341 to connect with the injection tube 623 through the adjustment frame 34, completing the preparation operation before injection molding, and then the operation drives the electric push rod 646 to extend, and the top support slide column 645 drives the top support slide sleeve 643 slidably matched with it to move upward, and the two groups of top support slide sleeves 643 on the same side move upward and approach each other synchronously, and the rotating rod 644 rotates and drives the male template 621 and the female template 622 to approach each other until they are closed, completing the mold clamping, and the injection molding operation can be carried out at this time; When it is necessary to change the mold, the load-bearing electric push rod 361 is extended, the buffer box 35 moves upward and drives the L bracket 33 to rotate through the fixed frame 351, the matching block 37 drives the injection head 341 to separate from the injection tube 623 through the adjustment frame 34, the motor drives the connecting gear 53 to rotate, the connecting sleeve 5 rotates, the connecting top plate 51 drives the mold changing bracket 41 to rotate synchronously through the connecting ring 52, the mold changing slider 423 slides along the supporting slide groove 12, the mold changing slider 423 slides to a higher horizontal groove, and the mold changing slider 423 drives the mold changing slide rod 42 upward along the axis of the mold changing bracket 41 The mold-changing cross plate 421 drives the locking slider 43 to slide upward synchronously. Due to the support of the locking bracket 431 by the adjusting slide column 44, the locking bracket 431 rotates and opens synchronously. At this time, it is in an unlocked state, so that the mold bracket 61 to be replaced can be removed and a new mold bracket 61 can be placed. After that, the connecting gear 53 rotates, and the mold-changing slider 423 slides to a horizontal groove with a lower height. During the downward movement of the locking slider 43, the locking bracket 431 rotates and closes synchronously, and the locking pressure block 433 is pressed into the locking pressure groove 613. At this time, the mold bracket 61 is in a locked state to complete the mold changing operation.

[0041] The present invention and its embodiments are described above, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it and do not deviate from the purpose of the invention, they can creatively design a structure and embodiment similar to the technical solution, which should fall within the protection scope of the present invention.

Claims

1. A quick mold change mechanism for an injection mold, comprising a support base (1), the support base (1) being provided with a material storage mechanism (2) for storing injection molding raw materials, the support base (1) being provided with an injection molding mechanism (3) and a mold mechanism (6) for performing injection molding in cooperation with the injection molding mechanism (3), characterized in that: A connecting sleeve (5) is slidably provided on the support base (1), a connecting toothed ring (54) is provided on the outer side of the connecting sleeve (5), a connecting gear (53) meshing with the connecting toothed ring (54) is rotatably provided on the support base (1), the connecting gear (53) is driven by a motor, a connecting top plate (51) is provided at the upper end of the connecting sleeve (5), a locking mechanism (4) for fixing the mold mechanism (6) is provided on the connecting top plate (51), the locking mechanism (4) comprising a mold changing bracket (41) arranged on the connecting top plate (51), a locking slider (41) slidably provided in the mold changing bracket (41) 3) A locking bracket (431) is symmetrically rotatably provided on the locking slider (43), a locking pressure plate (432) is provided at the upper end of the locking bracket (431), an adjusting tube (443) is symmetrically provided in the mold changing bracket (41), an adjusting nut (442) is threadedly connected in the adjusting tube (443), an adjusting spring (441) is provided at the upper end of the adjusting nut (442), an adjusting slide column (44) connected to the adjusting spring (441) is slidably provided in the adjusting tube (443), and one end of the adjusting slide column (444) extends out of the adjusting tube (443) and movably abuts against the locking bracket (431); A mold changing slide bar (42) is slidably provided on the mold changing bracket (41), a mold changing horizontal plate (421) is provided on the mold changing slide bar (42), a locking slide bar (43) is sleeved on the outside of the mold changing horizontal plate (421), a mold changing slide bar (42) is provided at the lower end of the mold changing slide bar (42), a support block (11) is provided on the support base (1), a support slide groove (12) is provided on the outside of the support block (11), the support slide groove (12) comprises an oblique groove and a horizontal groove which are connected to each other, and the mold changing slide block (423) is slidably matched with the support slide groove (12).

2. The rapid mold change mechanism for injection mold according to claim 1, characterized in that: The mold mechanism (6) comprises a mold support (61) movably arranged on the mold changing support (41) and cooperating with the locking pressure plate (432); a mold support plate (611) is provided on the mold support plate (611); support slide rails (612) are symmetrically arranged on the mold support plate (611); connecting sliders (62) are symmetrically slidably arranged on the support slide rails (612); a group of connecting sliders (62) is provided with a male mold plate (621); an injection tube (623) is connected to the male mold plate (621); another group of connecting sliders (62) is provided with a female mold plate (622) corresponding to the male mold plate (621); and a driving mechanism (64) for driving the male mold plate (621) and the female mold plate (622) to move synchronously is provided on the mold support plate (611).

3. The rapid mold change mechanism for injection mold according to claim 2, characterized in that: The driving mechanism (64) comprises a fixed rod (641) symmetrically arranged on the mold support plate (611), a driving rod (642) being rotatably provided on the fixed rod (641), a top support sliding sleeve (643) being rotatably provided on one end of the driving rod (642), a rotating rod (644) rotatably connected to the top support sliding sleeve (643) being rotatably provided on both the male mold plate (621) and the female mold plate (622), a driving electric push rod (646) being rotatably provided on the support slide rail (612), a top support sliding column (645) being provided at the telescopic end of the driving electric push rod (646), and the top support sliding column (645) being slidably matched with two groups of the top support sliding sleeves (643) on the same side.

4. The rapid mold change mechanism for injection mold according to claim 2, characterized in that: A material discharge mechanism (63) for discharging the finished injection molded product from the male mold plate (621) and the female mold plate (622) is symmetrically arranged on the mold support plate (611). The material discharge mechanism (63) comprises a material discharge plate (631) arranged on the mold support plate (611). The material discharge plate (631) is a Y-shaped structure. A material discharge bracket (632) is slidably arranged on the material discharge plate (631). A group of material discharge brackets (632) extend into the inner side of the male mold plate (621) and are provided with a material discharge top plate (633) at one end. A material discharge spring (634) connected to the material discharge plate (631) is sleeved on the material discharge bracket (632).

5. The rapid mold change mechanism for injection mold according to claim 2, characterized in that: The mold support plate (611) is provided with a pushing mechanism (65) that moves with the male mold plate (621) to push the injection molded product out of the mold support plate (611). The pushing mechanism (65) includes a pushing gear (652) rotatably arranged on the mold support plate (611), a pushing rack (651) meshing with the pushing gear (652) is provided at the lower end of the male mold plate (621), a matching rack (653) meshing with the pushing gear (652) is slidably arranged on the mold support plate (611), a pushing plate (654) is provided at one end of the matching rack (653), a pushing block (655) is slidably arranged on the pushing plate (654), and pushing tension springs (656) connected to the pushing plate (654) are provided on both sides of the pushing block (655).

6. The rapid mold change mechanism for injection mold according to claim 1, characterized in that: The material storage mechanism (2) comprises a material storage box (21) arranged on the support base (1), a stirring rod (24) is rotatably arranged in the material storage box (21), the stirring rod (24) is driven by a motor, a heating rod (22) is arranged in the material storage box (21), and a feeding pipe (23) connected to the injection molding mechanism (3) is arranged on the material storage box (21).

7. The rapid mold change mechanism for injection mold according to claim 2, characterized in that: The injection molding mechanism (3) comprises a bearing plate (36) arranged on a material storage box (21), a bearing electric push rod (361) being arranged on the bearing plate (36), a buffer box (35) being connected to a material feeding pipe (23) being arranged at a telescopic end of the bearing electric push rod (361), a plurality of groups of fixing frames (351) being arranged around the buffer box (35) at equal intervals in a circumferential direction, an L bracket (33) being rotatably arranged on the fixing frame (351), a matching block (37) being rotatably arranged on the L bracket (33), and the bearing plate (36) being ) is equidistantly arranged around the fixing frame (351) in a circumferential direction, the injection molding brackets (31) are arranged corresponding to the fixing frame (351), an injection molding rod (32) rotatably connected to the matching block (37) is rotatably arranged on the injection molding bracket (31), an adjustment frame (34) is connected to the matching block (37) by bolts, an injection molding head (341) matched with the injection molding tube (623) is arranged on the adjustment frame (34), and one end of the injection molding head (341) is connected to a material conveying pipe (342) connected to the buffer box (35).

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