Rapid mold changing device of injection molding machine

Abstract

The utility model discloses an injection molding machine quick mold changing device which comprises a supporting table and a bottom frame, the top end of the supporting table is provided with the bottom frame, the top end of the bottom frame is provided with two groups of rear trusses, the bottom ends of the rear trusses are provided with lower hinge shafts, and the rear trusses are movably connected with the bottom frame through the lower hinge shafts. A top frame is arranged above the bottom frame, upper movable wheels are movably installed at the top ends of the rear trusses, the upper movable wheels are in sliding connection with the top frame, front trusses are installed at the bottom ends of the top frame, upper hinge shafts are installed at the top ends of the front trusses, and the front trusses are movably connected with the top frame through the upper hinge shafts. According to the utility model, not only are the convenient circumferential rotation adjustment and replacement of the die and the convenient fine adjustment of the die angle realized, but also the placement of the disassembled die is facilitated, and the convenience of die replacement and the flexibility of die replacement installation are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of die-changing devices, in particular to a rapid die-changing device for an injection molding machine. Background Technique

[0002] An injection molding machine, also known as an injection molding machine or an injection machine, is the main molding equipment for making various shaped plastic products from thermoplastic or thermosetting plastics using plastic molding dies. It is divided into vertical, horizontal, and all-electric types. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity. When the production of a certain batch of products is completed, the mold needs to be replaced. The traditional replacement mode is mostly manual replacement, which has low efficiency. In order to better replace the injection molding machine mold, a rapid die-changing device for an injection molding machine is proposed.

[0003] As disclosed in an injection molding machine rapid die-changing device with the authorization announcement number CN117962230B, it includes several lifting arms and a moving device for adjusting the positions of the lifting arms;

[0004] Although it realizes driving the lifting arm to move upward through the moving device, the lifting component supports the bottom end of the mold body, and due to the gravity of the mold body, the lifting component deforms in the opposite direction, and drives the pressing component to slide along the side of the arm through the position adjustment component, and converts the self-gravity of the mold body into a thrust force to squeeze the side of the mold body, so that the two mold plates of the mold body are mutually attached, maintaining the stability during its detachment process, thereby automatically limiting the position of the mold body, without the need for manual adjustment by the operator, improving the position adjustment efficiency of the clamping groove, and accelerating the replacement speed;

[0005] However, it does not solve the problem that the existing die-changing device is not convenient for circumferential rotation adjustment to replace the mold and convenient for fine adjustment of the mold angle during use, and is not conducive to placing the disassembled mold, affecting the convenience of die-changing and the flexibility of die-changing and installation. Content of the Utility Model

[0006] The purpose of the utility model is to provide a rapid die-changing device for an injection molding machine to solve the problems proposed in the above background technique that the die-changing device is not convenient for circumferential rotation adjustment to replace the mold and convenient for fine adjustment of the mold angle, and is not conducive to placing the disassembled mold, affecting the convenience of die-changing and the flexibility of die-changing and installation.

[0007] To achieve the above object, the utility model provides the following technical solution: A rapid die-changing device for an injection molding machine, comprising a support table and a bottom frame. The top of the support table is provided with a bottom frame. The top of the bottom frame is provided with two groups of rear trusses. The bottom ends of the rear trusses are all provided with lower hinge shafts, and the rear trusses are movably connected to the bottom frame through the lower hinge shafts. Above the bottom frame is provided a top frame. The top ends of the rear trusses are all movably provided with upper moving wheels, and the upper moving wheels are slidably connected to the top frame. The bottom ends of the top frames are all provided with front trusses. The top ends of the front trusses are all provided with upper hinge shafts, and the front trusses are movably connected to the top frame through the upper hinge shafts. At the central positions of the front trusses are all provided with connecting shafts, and the front trusses are movably connected to the rear trusses through the connecting shafts. The bottom ends of the front trusses are all movably provided with lower moving wheels, and the lower moving wheels are slidably connected to the bottom frame. The top of the top frame is provided with a rotating box. On the side walls of the rear trusses are all movably provided with hydraulic rods. The output ends of the hydraulic rods are all provided with push arms, and the push arms are movably connected to the front trusses.

[0008] Preferably, a stepping motor is installed inside the rotating box, and a worm is installed at the output end of the stepping motor.

[0009] Preferably, a rotating shaft is movably installed inside the rotating box on one side of the worm. A worm wheel is sleeved on the surface of the rotating shaft, and the worm and the worm wheel are meshed with each other. A bearing plate is installed at the top end of the rotating shaft.

[0010] Preferably, a support box is installed at the bottom end of the support table, and a servo motor is installed inside the support box.

[0011] Preferably, a driving bevel gear is installed at the output end of the servo motor. An activity shaft is movably installed inside the support box on one side of the driving bevel gear.

[0012] Preferably, a driven bevel gear is sleeved on the surface of the activity shaft, and the driving bevel gear and the driven bevel gear are meshed with each other. A rotating disk is installed at the top end of the activity shaft.

[0013] Preferably, a plurality of groups of placing plates at equal intervals are installed inside the rotating disk, and the placing plates are slidably connected to the rotating disk. Rack bars are installed on the side walls of the placing plates.

[0014] Preferably, moving motors are installed inside the rotating disk on one side of the rack bars. Driving gears are installed at the output ends of the moving motors, and the driving gears and the rack bars are meshed with each other.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: This die-changing device not only realizes convenient circumferential rotation adjustment for die replacement and convenient fine adjustment of the die angle, facilitates the placement of the disassembled die, but also improves the convenience of die changing and the flexibility of die-changing installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structure schematic diagram of the present utility model;

[0017] Figure 2 is a three-dimensional structure schematic diagram of the support box of the present utility model;

[0018] Figure 3 is a front view sectional structure schematic diagram of the support box of the present utility model;

[0019] Figure 4 is a side view sectional structure schematic diagram of the bottom frame of the present utility model;

[0020] Figure 5 is a partial top view sectional structure schematic diagram of the rotating disk of the present utility model.

[0021] In the figures: 1, support table; 2, rotating disk; 3, placing plate; 4, support box; 5, movable shaft; 6, servo motor; 7, driving bevel gear; 8, driven bevel gear; 9, bottom frame; 10, lower hinge shaft; 11, hydraulic rod; 12, push arm; 13, upper hinge shaft; 14, lower movable wheel; 15, front truss; 16, rear truss; 17, upper movable wheel; 18, rotating box; 19, worm gear; 20, rotating shaft; 21, worm; 22, bearing plate; 23, stepping motor; 24, rack; 25, driving gear; 26, moving motor; 27, connecting shaft; 28, top frame. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-5, an embodiment provided by the present utility model: a rapid die-changing device for an injection molding machine, including a support table 1 and a bottom frame 9. The top of the support table 1 is installed with the bottom frame 9. The top of the bottom frame 9 is installed with two rear trusses 16. The bottom ends of the rear trusses 16 are all installed with lower hinge shafts 10, and the rear trusses 16 are movably connected to the bottom frame 9 through the lower hinge shafts 10. Above the bottom frame 9 is provided with a top frame 28. The top ends of the rear trusses 16 are all movably installed with upper moving wheels 17, and the upper moving wheels 17 are slidably connected to the top frame 28. The bottom ends of the top frame 28 are all installed with front trusses 15. The top ends of the front trusses 15 are all installed with upper hinge shafts 13, and the front trusses 15 are movably connected to the top frame 28 through the upper hinge shafts 13. At the central positions of the front trusses 15 are all installed with connecting shafts 27, and the front trusses 15 are movably connected to the rear trusses 16 through the connecting shafts 27. The bottom ends of the front trusses 15 are all movably installed with lower moving wheels 14, and the lower moving wheels 14 are slidably connected to the bottom frame 9. The top of the top frame 28 is installed with a rotating box 18. On the side walls of the rear trusses 16 are all movably installed hydraulic rods 11, and the hydraulic rods 11 play a role of power driving. The output ends of the hydraulic rods 11 are all installed with push arms 12, and the push arms 12 are movably connected to the front trusses 15;

[0024] First, place the device beside the injection molding machine, making the carrier plate 22 close to the injection molding machine. Connect the device to an external controller and external circuit. Place the mold to be replaced on the placement plate 3. First, remove the mold to be replaced. Then, turn on the servo motor 6. The servo motor 6 drives the driving bevel gear 7 to rotate. Under the meshing of the driving bevel gear 7 and the driven bevel gear 8, the driving bevel gear 7 drives the driven bevel gear 8 to rotate. The driven bevel gear 8 drives the movable shaft 5 to rotate. The movable shaft 5 drives the rotating disk 2 to rotate. The rotating disk 2 drives the mold to be replaced to rotate. The removed mold can be placed on the idle placement plate 3. When the mold to be replaced rotates to the position of the carrier plate 22, turn on the moving motor 26. The moving motor 26 drives the driving gear 25 to rotate. Under the meshing of the driving gear 25 and the rack 24, the driving gear 25 drives the rack 24 to move. The rack 24 drives the placement plate 3 to move, causing the placement plate 3 to contract into the interior of the rotating disk 2. At the same time, turn on the hydraulic rod 11. The hydraulic rod 11 drives the push arm 12 to move. The push arm 12 drives the front truss 15 to rotate around the hinge shaft 13. The lower movable wheel 14 slides on the inner wall of the bottom frame 9. The front truss 15 drives the rear truss 16 to rotate around the hinge shaft 10 through the connecting shaft 27. The upper movable wheel 17 slides on the inner wall of the rotating box 18. Under the combined action of the front truss 15 and the rear truss 16, the top frame 28 is driven to move upward. The top frame 28 drives the carrier plate 22 to move upward, jacking up the mold to be replaced. After lifting it to the specified height, replace and install it on the injection molding machine, achieving convenient circumferential rotation adjustment for mold replacement, facilitating the placement of the removed mold, and improving the convenience of mold replacement;

[0025] A stepping motor 23 is installed inside the rotating box 18. The stepping motor 23 serves as a power drive. The output end of the stepping motor 23 is installed with a worm 21. A rotating shaft 20 is movably installed inside the rotating box 18 on one side of the worm 21. A worm gear 19 is sleeved on the surface of the rotating shaft 20, and the worm 21 meshes with the worm gear 19. The top end of the rotating shaft 20 is installed with a carrier plate 22;

[0026] The bottom end of the support platform 1 is installed with a support box 4. A servo motor 6 is installed inside the support box 4. The servo motor 6 serves as a power drive;

[0027] The output end of the servo motor 6 is installed with a driving bevel gear 7. A movable shaft 5 is movably installed inside the support box 4 on one side of the driving bevel gear 7. A driven bevel gear 8 is sleeved on the surface of the movable shaft 5, and the driving bevel gear 7 meshes with the driven bevel gear 8. The top end of the movable shaft 5 is installed with a rotating disk 2;

[0028] A plurality of groups of placement plates 3 are installed inside the rotating disk 2 at equal intervals, and the placement plates 3 are slidably connected to the rotating disk 2. Rack 24 is installed on the side walls of the placement plates 3;

[0029] A moving motor 26 is installed inside the rotating disk 2 on one side of the rack 24. The moving motor 26 plays a role in power driving. A driving gear 25 is installed at the output end of the moving motor 26, and the driving gear 25 meshes with the rack 24;

[0030] When the angle of the mold needs to be adjusted, the stepping motor 23 is turned on. The stepping motor 23 drives the worm 21 to rotate. Under the meshing of the worm 21 and the worm gear 19, the worm 21 drives the worm gear 19 to rotate. The worm gear 19 drives the rotating shaft 20 to rotate. The rotating shaft 20 drives the bearing plate 22 and the mold to rotate, so as to rotate and adjust the angle of the mold, realizing convenient fine adjustment of the mold angle and improving the flexibility of mold changing and installation.

[0031] Working principle: First, place the device beside the injection molding machine, make the bearing plate 22 close to the injection molding machine, connect the device to an external controller and an external circuit, place the mold to be replaced on the placement plate 3. First, remove the mold to be replaced. The servo motor 6 drives the driving bevel gear 7 to rotate. The driving bevel gear 7 drives the driven bevel gear 8 to rotate. The driven bevel gear 8 drives the movable shaft 5 to rotate. The movable shaft 5 drives the rotating disk 2 to rotate. The rotating disk 2 drives the mold to be replaced to rotate. The removed mold can be placed on the idle placement plate 3. When the mold to be replaced rotates to the position of the bearing plate 22, the moving motor 26 drives the driving gear 25 to rotate. The driving gear 25 drives the rack 24 to move. The rack 24 drives the placement plate 3 to move, so that the placement plate 3 contracts into the inside of the rotating disk 2. The hydraulic rod 11 drives the push arm 12 to move. The push arm 12 drives the front truss 15 to rotate with the hinge shaft 13 as the axis. The lower movable wheel 14 slides on the inner wall of the bottom frame 9. The front truss 15 drives the rear truss 16 to rotate with the hinge shaft 10 as the axis through the connecting shaft 27. The upper movable wheel 17 slides on the inner wall of the rotating box 18, so as to drive the top frame 28 to move upward. The top frame 28 drives the bearing plate 22 to move upward, so as to lift the mold to be replaced. After lifting it to the specified height, it can be replaced and installed on the injection molding machine. When the angle of the mold needs to be adjusted, the stepping motor 23 drives the worm 21 to rotate. The worm 21 drives the worm gear 19 to rotate. The worm gear 19 drives the rotating shaft 20 to rotate. The rotating shaft 20 drives the bearing plate 22 and the mold to rotate, so as to rotate and adjust the angle of the mold, so as to better replace the mold, and thus complete the use of the injection molding machine rapid mold change device.

Claims

1. A rapid die-changing device for an injection molding machine, comprising a support table (1) and a bottom frame (9), characterized in that: At the top of the support platform (1), a bottom frame (9) is installed. At the top of the bottom frame (9), two sets of rear trusses (16) are installed. At the bottom ends of the rear trusses (16), lower hinge shafts (10) are installed, and the rear trusses (16) are movably connected to the bottom frame (9) through the lower hinge shafts (10). Above the bottom frame (9), a top frame (28) is provided. At the top ends of the rear trusses (16), upper movable wheels (17) are movably installed, and the upper movable wheels (17) are slidably connected to the top frame (28). At the bottom ends of the top frame (28), front trusses (15) are installed. At the top ends of the front trusses (15), upper hinge shafts (13) are installed, and the front trusses (15) are movably connected to the top frame (28) through the upper hinge shafts (13). At the central positions of the front trusses (15), connecting shafts (27) are installed, and the front trusses (15) are movably connected to the rear trusses (16) through the connecting shafts (27). At the bottom ends of the front trusses (15), lower movable wheels (14) are movably installed, and the lower movable wheels (14) are slidably connected to the bottom frame (9). At the top of the top frame (28), a rotating box (18) is installed. On the side walls of the rear trusses (16), hydraulic rods (11) are movably installed. At the output ends of the hydraulic rods (11), push arms (12) are installed, and the push arms (12) are movably connected to the front trusses (15).

2. The quick die change device of an injection molding machine according to claim 1, characterized in that: Inside the rotating box (18), a stepping motor (23) is installed. At the output end of the stepping motor (23), a worm (21) is installed.

3. The quick die change device for an injection molding machine according to claim 2, characterized in that: Inside the rotating box (18) on one side of the worm (21), a rotating shaft (20) is movably installed. On the surface of the rotating shaft (20), a worm gear (19) is sleeved, and the worm (21) meshes with the worm gear (19). At the top of the rotating shaft (20), a bearing plate (22) is installed.

4. A quick die change device for an injection molding machine according to claim 1, characterized in that: At the bottom of the support platform (1), a support box (4) is installed. Inside the support box (4), a servo motor (6) is installed.

5. The quick die change device for an injection molding machine according to claim 4, characterized in that: At the output end of the servo motor (6), a driving bevel gear (7) is installed. Inside the support box (4) on one side of the driving bevel gear (7), a movable shaft (5) is movably installed.

6. The quick die change device for an injection molding machine according to claim 5, characterized in that: On the surface of the movable shaft (5), a driven bevel gear (8) is sleeved, and the driving bevel gear (7) meshes with the driven bevel gear (8). At the top of the movable shaft (5), a rotating disk (2) is installed.

7. The quick die change device for an injection molding machine according to claim 6, characterized in that: Inside the rotating disk (2), multiple groups of placement plates (3) are installed at equal intervals, and the placement plates (3) are slidably connected to the rotating disk (2). On the side walls of the placement plates (3), racks (24) are installed.

8. The quick die change device for an injection molding machine according to claim 7, characterized in that: Inside the rotating disk (2) on one side of the racks (24), moving motors (26) are installed. At the output ends of the moving motors (26), driving gears (25) are installed, and the driving gears (25) mesh with the racks (24).

Images