Automatic clamping high-toughness mold
By designing a high-toughness mold that is automatic installation, the motor drive screw and bevel gear mechanism are used to achieve automatic installation and demolding between the upper and lower molds, the problem of large weight and lack of automatic installation of existing injection molds is solved, and the working efficiency is improved.
Patent Information
- Application Number
- CN202422744821.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-11-12
AI Technical Summary
The existing injection molds are made of metal, with large weight and lack of automatic clamping function, resulting in low working efficiency and requiring a lot of manual cooperation.
A high-toughness mold that is automatically engaged is designed. The upper and lower molds are automatically engaged and demolded by the motor-driven screw and bevel gear mechanism, and the automatic operation of the mold is achieved by using components such as limit rods, connecting plates and connecting rods.
Automatic engagement and convenient mold release between the upper and lower molds are realized, reducing manual operation and improving the working efficiency of the injection mold.
Smart Images

Figure CN223290266U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molds, in particular to an automatically clamping high-toughness mold. Background Art
[0002] An injection mold is a mold used for injection molding. It is mainly used to heat and melt plastic particles and then inject them into the mold, and then form plastic products of the desired shape and size after cooling.
[0003] Injection molds play an important role in industrial production and are widely used in the fields of automobiles, home appliances, electronic communications, daily necessities, etc. In the existing technology, the injection mold is divided into two parts, the upper mold and the lower mold. During injection molding, the upper mold and the lower mold need to be clamped. However, most injection molds are made of metal, which is heavy and does not have the function of automatic clamping. When the mold is clamped, a lot of manual cooperation is required, the work task is heavy, and the work efficiency when the injection mold is used is reduced. The practicality is insufficient. Therefore, it is necessary to redesign a high-toughness mold with automatic clamping to address the above problems. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an automatically clamping high-toughness mold.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] The cam is fixedly mounted on the upper end face of the base plate through a plurality of support rods, the cam is rotatably mounted on the upper end face of the base plate through a movable frame, the outer wall of the movable frame is fixedly mounted with a motor connected to the first screw, two support plates are fixedly mounted inside the movable frame, the first screw rotates and passes through the two support plates, two moving blocks are threadedly mounted on the outer wall of the first screw through a limiting mechanism, the upper end faces of the two moving blocks are fixedly mounted with a first connecting frame, an upper top plate is slidably mounted inside the lower mold through a lifting slot, a movable opening is opened on the outer bottom wall of the lower mold, the two first connecting frames are rotatably connected to the second connecting frame through a connecting mechanism, the outer walls of the two second connecting frames are fixedly connected to the bottom wall of the upper top plate, the lower mold The outer walls of both sides are rotatably installed with a second screw through the lifting frame, and the two second screws are connected to the outer wall of the first screw through a rotating mechanism, and the outer walls of the two second screws are threadedly installed with a movable plate, and a stabilizing rod is fixedly installed inside the two lifting frames, and the two stabilizing rods slide through the movable plate on the same side respectively, and the upper end surfaces of the two movable plates are fixedly connected to the connecting frame through a connecting mechanism, and the connecting plates are slidably installed inside the two connecting frames, and the ends of the two connecting plates are jointly fixedly connected to the upper mold, and the upper end surfaces of the two connecting frames are slidably installed with fixing pins, and the upper end surfaces of the two connecting plates are provided with jacks that cooperate with the fixing pins, and the outer walls of the two fixing pins are fixedly installed with shift blocks, and the bottom walls of the two shift blocks are connected to the upper end surface of the connecting frame on the same side through a fixing mechanism.
[0007] Preferably, the limiting mechanism comprises a limiting rod fixedly installed between the two support plates, and the limiting rod slides through the two moving blocks.
[0008] Preferably, the connection mechanism includes a connection plate rotatably mounted inside the first connection frame, and an end portion of the connection plate is rotatably connected to the inside of the second connection frame.
[0009] Preferably, the rotating mechanism includes bevel gears fixedly mounted on outer walls of the first screw and the second screw, and the two bevel gears are vertically meshed.
[0010] Preferably, the connecting mechanism comprises two connecting rods fixedly mounted on the upper end surface of the movable plate, and ends of the two connecting rods are fixedly connected to the bottom wall of the connecting frame.
[0011] Preferably, the fixing mechanism includes a fixing spring installed on the outer wall of the fixing pin, and two ends of the fixing spring are elastically connected to the upper end surface of the connecting frame and the bottom wall of the shifting block respectively.
[0012] Beneficial effects of the utility model:
[0013] 1. By setting up components such as the second screw, the movable plate and the connecting rod, the second screw can drive the movable plate to move by cooperating with the stabilizing rod when rotating, and the movable plate can drive the connecting frame to move up and down by cooperating with the two connecting rods. In this way, the two connecting frames can respectively drive the upper mold to move up and down through the cooperation of the connecting plates on the same side, thereby realizing automatic engagement of the upper mold and the lower mold.
[0014] 2. By setting up components such as the first screw, the connecting plate and the upper ejector plate, the first screw can drive the two moving blocks to move through the cooperation of the limit rod when it rotates. At this time, the two moving blocks can respectively drive the first connecting frame on the same side to move, thereby enabling the two connecting plates to drive the upper ejector plate to move upward through the cooperation of the second connecting frame, so that the upper ejector plate can push the injection molded part upward during the opening process of the upper mold, thereby realizing convenient demolding of the injection molded part inside the lower mold. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a structural diagram of an automatic locking high-toughness mold proposed by the utility model;
[0016] Figure 2 for Figure 1 Schematic diagram of the vertical cross-section structure;
[0017] Figure 3 This is a schematic diagram of the top view of the structure of an automatically engaging high-toughness mold proposed by the utility model;
[0018] Figure 4 for Figure 1 A schematic diagram of the structure enlargement at point A;
[0019] Figure 5 for Figure 2 A magnified schematic diagram of the structure at point B in FIG;
[0020] Figure 6 for Figure 2 Schematic diagram of the enlarged structure at point C in FIG.
[0021] In the figure: 1 bottom plate, 2 support rod, 3 lower die, 4 moving frame, 5 support plate, 6 first screw, 7 motor, 8 limit rod, 9 moving block, 10 first connecting frame, 11 connecting plate, 12 upper plate, 13 second connecting frame, 14 lifting frame, 15 second screw, 16 bevel gear, 17 stabilizing rod, 18 moving plate, 19 connecting rod, 20 connecting frame, 21 connecting plate, 22 upper die, 23 fixing pin, 24 shift block, 25 fixing spring. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0023] Reference Figure 1-6 , a high-toughness mold that automatically engages, includes a base plate 1, a lower mold 3 is fixedly installed on the upper end surface of the base plate 1 through a plurality of support rods 2, a first screw 6 is rotatably installed on the upper end surface of the base plate 1 through a moving frame 4, a motor 7 connected to the first screw 6 is fixedly installed on the outer wall of the moving frame 4, two support plates 5 are fixedly installed inside the moving frame 4, the first screw 6 rotates and passes through the two support plates 5, and two moving blocks 9 are threadedly installed on the outer wall of the first screw 6 through a limiting mechanism, and the limiting mechanism includes a limiting rod 8 fixedly installed between the two support plates 5, and the limiting rod 8 slides through the two moving blocks 9. The limiting rod 8 can limit the two moving blocks 9 so that the two moving blocks 9 can only move axially along the outer wall of the first screw 6.
[0024] The upper end surfaces of the two moving blocks 9 are fixedly installed with a first connecting frame 10, and an upper top plate 12 is slidably installed inside the lower mold 3 through a lifting groove. A movable opening is opened in the outer bottom wall of the lower mold 3. The two first connecting frames 10 are rotatably connected to the second connecting frame 13 through a connecting mechanism. The connecting mechanism includes a connecting plate 11 rotatably installed inside the first connecting frame 10, and the end of the connecting plate 11 is rotatably connected to the inside of the second connecting frame 13. The outer walls of the two second connecting frames 13 are fixedly connected to the bottom wall of the upper top plate 12. The outer walls of both sides of the lower mold 3 are rotatably installed with a second screw 15 through a lifting frame 14. The two second screws 15 are connected to the outer wall of the first screw 6 through a rotating mechanism. The rotating mechanism includes a bevel gear 16 fixedly installed on the outer walls of the first screw 6 and the second screw 15, and the two bevel gears 16 are vertically meshed.
[0025] The outer walls of the two second screws 15 are threadedly mounted with a movable plate 18, and the interiors of the two lifting frames 14 are fixedly mounted with a stabilizing rod 17. The two stabilizing rods 17 slide through the movable plate 18 on the same side, and the upper end surfaces of the two movable plates 18 are fixedly connected to the connecting frame 20 through a connecting mechanism. The connecting mechanism includes two connecting rods 19 fixedly mounted on the upper end surface of the movable plate 18. The ends of the two connecting rods 19 are fixedly connected to the bottom wall of the connecting frame 20. A connecting plate 21 is slidably mounted inside the two connecting frames 20. The two connecting plates The ends of 21 are fixedly connected to the upper mold 22, and the upper end surfaces of the two connecting frames 20 are slidably installed with fixing pins 23. The upper end surfaces of the two connecting plates 21 are provided with jacks that cooperate with the fixing pins 23. The outer walls of the two fixing pins 23 are fixedly installed with shift blocks 24. The bottom walls of the two shift blocks 24 are connected to the upper end surface of the connecting frame 20 on the same side through a fixing mechanism. The fixing mechanism includes a fixing spring 25 installed on the outer wall of the fixing pin 23, and the two ends of the fixing spring 25 are elastically connected to the upper end surface of the connecting frame 20 and the bottom wall of the shift block 24 respectively.
[0026] When the utility model is used, the motor 7 can drive the first screw 6 to rotate. When the first screw 6 rotates, it can drive the second screw 15 to rotate through the two vertically meshed bevel gears 16. At this time, the two second screws 15 can rotate in opposite directions. When the second screw 15 rotates, it can drive the movable plate 18 to move by cooperating with the stabilizing rod 17. The movable plate 18 can drive the connecting frame 20 to move up and down through the cooperation of the two connecting rods 19. In this way, the two connecting frames 20 can respectively drive the upper mold 22 to move up and down through the cooperation of the connecting plates 21 on the same side, thereby realizing the automatic engagement of the upper mold 22 with the lower mold 3.
[0027] At the same time, in the process of opening the upper mold 22, the first screw 6 can drive the two moving blocks 9 to move through the cooperation of the limit rod 8 when rotating. At this time, the two moving blocks 9 can respectively drive the first connecting frame 10 on the same side to move, thereby enabling the two connecting plates 11 to drive the upper top plate 12 to move upward through the cooperation of the second connecting frame 13, so that the upper top plate 12 can push the injection molded part upward during the opening of the upper mold 22, so as to realize convenient demolding of the injection molded part inside the lower mold 3. When the upper mold 22 needs to be disassembled, the dial block 24 can be moved to drive the fixing pin 23 to be removed from the socket, thereby releasing the fixation of the connecting plate 21 inside the connecting frame 20, and then the connecting plate 21 can be slid and moved from the inside of the connecting frame 20, and then the convenient disassembly of the upper mold 22 can be completed.
[0028] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An automatically engaged high-toughness mold, comprising a base plate (1), characterized in that: The upper end surface of the base plate (1) is fixedly mounted with a lower mold (3) via a plurality of support rods (2); the upper end surface of the base plate (1) is rotatably mounted with a first screw (6) via a moving frame (4); a motor (7) connected to the first screw (6) is fixedly mounted on the outer wall of the moving frame (4); two support plates (5) are fixedly mounted inside the moving frame (4); the first screw (6) rotates and passes through the two support plates (5); the outer wall of the first screw (6) is threadably mounted with two moving blocks ( 9), the upper end surfaces of the two moving blocks (9) are fixedly mounted with a first connecting frame (10), the interior of the lower mold (3) is slidably mounted with an upper top plate (12) through a lifting groove, the outer bottom wall of the lower mold (3) is provided with a movable opening, the interiors of the two first connecting frames (10) are rotatably connected to a second connecting frame (13) through a connecting mechanism, the outer walls of the two second connecting frames (13) are fixedly connected to the bottom wall of the upper top plate (12), and the outer walls on both sides of the lower mold (3) are rotatable through a lifting frame (14) A second screw rod (15) is installed, and the two second screw rods (15) are connected to the outer wall of the first screw rod (6) through a rotating mechanism. The outer walls of the two second screw rods (15) are threadedly installed with a movable plate (18). The two lifting frames (14) are fixedly installed with a stabilizing rod (17). The two stabilizing rods (17) slide through the movable plate (18) on the same side respectively. The upper end surfaces of the two movable plates (18) are fixedly connected to a connecting frame (20) through a connecting mechanism. The two connecting frames A connecting plate (21) is slidably mounted inside (20), and the ends of the two connecting plates (21) are fixedly connected to an upper mold (22). A fixing pin (23) is slidably mounted on the upper end faces of the two connecting frames (20). The upper end faces of the two connecting plates (21) are provided with a socket that cooperates with the fixing pin (23). The outer walls of the two fixing pins (23) are fixedly mounted with a shifting block (24), and the bottom walls of the two shifting blocks (24) are connected to the upper end face of the connecting frame (20) on the same side through a fixing mechanism.
2. The automatic clamping high-toughness mold according to claim 1, characterized in that: The limiting mechanism comprises a limiting rod (8) fixedly mounted between two support plates (5), and the limiting rod (8) slides through two moving blocks (9).
3. The automatic clamping high-toughness mold according to claim 2, characterized in that: The connection mechanism comprises a connection plate (11) rotatably mounted inside the first connection frame (10), and an end portion of the connection plate (11) is rotatably connected to the inside of the second connection frame (13).
4. The automatic clamping high-toughness mold according to claim 3, characterized in that: The rotating mechanism comprises a bevel gear (16) fixedly mounted on the outer wall of the first screw (6) and the second screw (15), and the two bevel gears (16) are vertically meshed.
5. The automatic clamping high-toughness mold according to claim 4, characterized in that: The connecting mechanism comprises two connecting rods (19) fixedly mounted on the upper end surface of the movable plate (18), and the ends of the two connecting rods (19) are fixedly connected to the bottom wall of the connecting frame (20).
6. The automatic clamping high-toughness mold according to claim 5, characterized in that: The fixing mechanism comprises a fixing spring (25) mounted on the outer wall of the fixing pin (23), and two ends of the fixing spring (25) are elastically connected to the upper end surface of the connecting frame (20) and the bottom wall of the shifting block (24) respectively.