Mold demolding structure
By introducing a linkage design of positioning seat, mold base, push block and drive mechanism into the mold, the problem of low stability and efficiency of injection mold demolding mechanism is solved, realizing stable and damage-free demolding of plastic parts, and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202422896390.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing injection mold demolding mechanisms are not very stable during use and have low demolding efficiency, which affects the production efficiency of plastic parts and the quality of finished products.
The mold demolding structure includes a positioning seat, mold base, push block and drive mechanism. The stable movement of the push block is achieved through the linkage of the lifting block and the translation block, which ensures the complete demolding of the plastic part.
It improves the stability of the demolding structure, ensuring that the plastic parts are not damaged during demolding, thereby improving production efficiency and product quality.
Smart Images

Figure CN223590003U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of molds, in particular to a mold demolding structure. BACKGROUND
[0002] In a mold forming process, whether injection molding, die casting or other forming methods, the plastic part will be closely attached to the mold after cooling or solidification, and the purpose of demolding is to reduce or eliminate this attachment force through various methods, so that the plastic part can be completely separated from the mold.
[0003] The existing injection mold demolding mechanism has some deficiencies in use, such as poor stability during demolding, low demolding efficiency, etc., which affects the taking out progress of the finished product and reduces the production efficiency of the injection mold for plastic parts. CONTENT OF THE UTILITY MODEL
[0004] The purpose of the embodiment of the application is to provide a mold demolding structure which has strong stability and improves production efficiency.
[0005] The embodiment of the application provides a mold demolding structure which adopts the following technical scheme:
[0006] A mold demolding structure comprises a positioning seat, a mold seat, a push block and a driving mechanism, the mold seat is arranged on the positioning seat, the push block is movably arranged in the mold seat, the driving mechanism comprises a translation block and a lifting block, the translation block is movably arranged in the positioning seat, the translation block has a chute, the lifting block has a first protrusion, the first protrusion is slidably arranged in the chute, and the translation block drives the push block to move synchronously when the first protrusion slides in the chute.
[0007] Preferably, a first limiting block is arranged on the side of the translation block away from the push block.
[0008] Preferably, the first limiting block and the positioning seat are connected through bolts.
[0009] Preferably, the side of the translation block close to the mold seat has a containing groove, a spring is arranged in the containing groove, and the spring abuts against the mold seat.
[0010] Preferably, the push block comprises a driving sliding block and a driven sliding block, the driving sliding block has a second protrusion, the driven sliding block has a groove, the second protrusion and the groove are both dovetail-shaped, the second protrusion is slidably arranged in the groove, a second limiting block is arranged on the mold seat, and the driven sliding block is slidably connected with the second limiting block.
[0011] Preferably, the second limiting block has a recess, and the driving slider is in sliding connection with the recess near one end of the driven slider.
[0012] Preferably, the driving slider is in sliding connection with the driven slider.
[0013] Preferably, the second limiting block and the mold base are connected through bolts.
[0014] Compared with the prior art, the application has the following beneficial effects:
[0015] The application sets the driving mechanism, when the lifting block moves downward, the translation block drives the push block to move to the side close to the mold base, the push block pushes the plastic part, and the demolding of the plastic part is realized, when the lifting block moves upward, the translation block drives the push block to move to the side away from the mold base, and the mold forming can be performed again. Since the lifting block, the translation block and the push block are always in linkage state during the whole process, the stability of the demolding structure is improved, the plastic part can be ensured not to be damaged during the demolding process, and the production efficiency and product quality are improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings needed to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some of the embodiments of the application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.
[0017] Figure 1 Structure schematic view of some embodiments of the application;
[0018] Figure 2 Structure schematic view of some embodiments of the application; Figure 1 Structure schematic view of some embodiments of the application;
[0019] Figure 3 Structure schematic view of the driving mechanism in some embodiments of the application;
[0020] Figure 4 Connection structure schematic view of the driving mechanism and the push block in some embodiments of the application;
[0021] Figure 5 Split view of the driving mechanism in some embodiments of the application;
[0022] Figure 6 Structure schematic view of the push block in some embodiments of the application; Figure 5 Structure schematic view of the push block in some embodiments of the application;
[0023] Figure 7 Structure schematic view of the push block in some embodiments of the application;
[0024] Figure 8 For Figure 7 Another perspective structural diagram
[0025] Figure 9 For the top view of the push block in some embodiments of the utility model.
[0026] The reference signs are respectively:
[0027] 1, positioning seat; 2, die holder; 3, push block; 4, driving mechanism; 5, translation block; 6, lifting block; 7, inclined groove; 8, first protrusion; 9, first limiting block; 10, accommodating groove; 11, spring; 12, driving slider; 13, driven slider; 14, second protrusion; 15, groove; 16, second limiting block; 17, recess. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.
[0030] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0031] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the application is used, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0032] Furthermore, the terms "horizontal", "vertical", "overhang", and the like, do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0033] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0034] Embodiment
[0035] As shown in Figures 1-6 The mold stripping structure described in the embodiments of the present application comprises a positioning seat 1, a mold seat 2, a push block 3 and a driving mechanism 4. The mold seat 2 is arranged on the positioning seat 1, the push block 3 is movably arranged in the mold seat 2, the driving mechanism 4 comprises a translation block 5 and a lifting block 6, the translation block 5 is movably arranged in the positioning seat 1, the translation block 5 has a chute 7, the lifting block 6 has a first protrusion 8, the first protrusion 8 is slidably arranged in the chute 7, and the first protrusion 8 slides in the chute 7. When the first protrusion 8 slides in the chute 7, the translation block 5 drives the push block 3 to move synchronously.
[0036] In use, when it is necessary to strip the plastic part, the lifting block 6 is controlled to move downward, the translation block 5 drives the push block 3 to move toward the side close to the mold seat 2, the push block 3 pushes the plastic part to realize stripping of the plastic part, then the lifting block 6 is controlled to move upward, the translation block 5 drives the push block 3 to move away from the mold seat 2, and the mold forming can be performed again. Since the lifting block 6, the translation block 5 and the push block 3 are always in linkage during the whole process, the stability of the stripping structure is improved, the plastic part can be ensured not to be damaged during stripping, and the production efficiency and product quality are improved.
[0037] As shown in Figure 2 In the embodiment, a first limiting block 9 is arranged on the side of the translation block 5 away from the push block 3, and the first limiting block 9 is arranged on the positioning seat 1. The first limiting block 9 is used for limiting the translation block 5 to improve the stability of the translation block 5.
[0038] As shown in Figure 2 In the embodiment, the first limiting block 9 and the positioning seat 1 are connected through bolts, so that the first limiting block 9 and the positioning seat 1 can be disassembled and assembled conveniently. After the first limiting block 9 is removed, the translation block 5 and the push block 3 can be disassembled and assembled.
[0039] AsFigure 4 As shown in the drawings, in the embodiment, the side of the translation block 5 close to the mold base 2 has a containing groove 10, a spring 11 is arranged in the containing groove 10, the spring 11 abuts against the mold base 2, when the translation block 5 moves to the side close to the mold base 2, the spring 11 is compressed, when the translation block 5 moves to the side away from the mold base 2, the spring 11 rebounds, because the spring 11 is arranged, the movement of the translation block 5 can be ensured to be stable, the damage of the plastic part can be avoided, and the product quality can be ensured.
[0040] As shown in the drawings, Figures 1-9 In the embodiment, the push block 3 includes a driving sliding block 12 and a driven sliding block 13, the driving sliding block 12 and the driven sliding block 13 can share the stress in the demolding process, the risk of demolding failure caused by uneven stress can be reduced, the impact and friction of the plastic part in the demolding process can be reduced, and the probability of quality problems such as surface scratch and deformation of the plastic part can be reduced, the driving sliding block 12 has a second protrusion 14, the driven sliding block 13 has a groove 15, the second protrusion 14 and the groove 15 are dovetail-shaped, the second protrusion 14 is slidingly arranged in the groove 15, the mold base 2 is provided with a second limiting block 16, the driven sliding block 13 is slidingly connected with the second limiting block 16, the second limiting block 16 supports and limits the driven sliding block 13, and the driven sliding block 13 can be prevented from moving away from the mold base 2, when the driving sliding block 12 moves to the side away from the positioning base 1, the driving sliding block 12 pushes the driven sliding block 13 to slide to the side away from the driving sliding block 12, and the demolding of the plastic part is realized, when the driving sliding block 12 moves to the side close to the positioning base 1, the driving sliding block 12 pulls the driven sliding block 13 to slide to the side close to the driving sliding block 12.
[0041] As shown in the drawings, Figure 4 In the embodiment, the second limiting block 16 has a recessed part 17, an end of the driving sliding block 12 close to the driven sliding block 13 is slidingly connected with the recessed part 17, the recessed part 17 plays a guiding and supporting role on the driving sliding block 12, and the stable operation of the driving sliding block 12 is ensured.
[0042] As shown in the drawings, Figure 4 and Figure 9 In the embodiment, the driving sliding block 12 is slidingly connected with the driven sliding block 13, and the stability of the connection between the driving sliding block 12 and the driven sliding block 13 is improved.
[0043] As shown in the drawings, Figure 3 and Figure 4 In the embodiment, the second limiting block 16 and the mold base 2 are connected through bolts, and the second limiting block 16 and the mold base 2 can be disassembled conveniently.
[0044] The above merely provides preferred embodiments of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the principles and technical scope of the present application shall fall into the scope of the present application.
Claims
1. A mold demolding structure, characterized in that: The device includes a positioning seat, a mold base, a push block, and a driving mechanism. The mold base is disposed on the positioning seat, and the push block is movably disposed through the mold base. The driving mechanism includes a translation block and a lifting block. The translation block is movably disposed through the positioning seat and has an inclined groove. The lifting block has a first protrusion, which is slidably disposed in the inclined groove. When the first protrusion slides in the inclined groove, the translation block drives the push block to move synchronously.
2. The mold demolding structure according to claim 1, characterized in that: A first limiting block is provided on the side of the translation block away from the push block, and the first limiting block is disposed on the positioning seat.
3. The mold demolding structure according to claim 2, characterized in that: The first limiting block is connected to the positioning seat by bolts.
4. The mold demolding structure according to claim 1, characterized in that: The translation block has a receiving groove on the side near the mold base, and a spring is provided in the receiving groove, the spring abutting against the mold base.
5. A mold demolding structure according to any one of claims 1-4, characterized in that: The push block includes an active slider and a passive slider. The active slider has a second protrusion, and the passive slider has a groove. Both the second protrusion and the groove are dovetail-shaped. The second protrusion is slidably disposed in the groove. A second limiting block is provided on the mold base, and the passive slider is slidably connected to the second limiting block.
6. The mold demolding structure according to claim 5, characterized in that: The second limiting block has a recessed portion, and the end of the active slider near the driven slider is slidably connected to the recessed portion.
7. A mold demolding structure according to claim 6, characterized in that: The active slider and the driven slider are slidably connected.
8. The mold demolding structure according to claim 5, characterized in that: The second limiting block is connected to the mold base by bolts.