Injection mold with mechanical shutter
By designing mechanical shutters in injection molds, using the automatic locking and unlocking functions of the locking components and unlocking components, the existing mold shutters have been solved, and more efficient and long-lasting mold use is achieved.
Patent Information
- Application Number
- CN202421789503.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The shutters of existing injection molds are costly and complex in structure, and their service life does not meet production needs due to wear, and require frequent replacement and repair, which increases production costs and reduces efficiency.
An injection mold with a mechanical shutter is designed, by setting a locking assembly and unlocking assembly between the upper mold and the lower mold, locking and unlocking is automatically achieved by utilizing the movement of the upper mold, simplifying the mold structure and reducing wear through the activity of the locking assembly.
Simplifies the mold structure, extends the service life, reduces the frequency of replacement and repairs, and improves production efficiency.
Smart Images

Figure CN222904720U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold with a mechanical switch. Background Art
[0002] In the process of injection mold processing and production, in order to achieve sequential mold opening, a switch is often required to be arranged between the moving mold and the fixed mold. At present, the traditional and commonly used switch not only has high cost and complex structure, but also is troublesome in mold manufacturing and processing. Moreover, when the existing switch is in use, its service life cannot meet the production requirements due to wear, and it needs to be frequently replaced and repaired, which not only increases the production cost, but also reduces the production efficiency.
[0003] Therefore, it is necessary to design an injection mold with a mechanical switch to solve the above problems. Summary of the Utility Model
[0004] The purpose of the utility model is to provide an injection mold with a mechanical switch aiming at the deficiencies of the prior art.
[0005] The technical solution of the utility model is: an injection mold with a mechanical switch, including an upper mold and a lower mold; a mechanical switch is arranged between the upper mold and the lower mold; the mechanical switch includes a locking component movably arranged on the lower mold and an unlocking component correspondingly arranged on the upper mold for the locking component; the unlocking component is arranged between the locking component and the upper mold. When the upper mold moves up and down, the unlocking component toggles the locking component to lock and unlock the upper mold.
[0006] The locking component includes a mounting seat and a lower lock rotatably mounted in the mounting seat; a reset component for resetting the lower lock is arranged at the bottom of the lower lock.
[0007] The reset component includes a mounting rod and a reset spring sleeved on the mounting rod; a mounting hole is arranged on the lower mold corresponding to the bottom of the lower lock; one end of the reset spring is arranged in the mounting hole, and the other end abuts against the bottom of the lower lock; one end of the mounting rod is fixed in the mounting hole, and the other end is fixed on the mounting seat; an avoidance groove for the lower lock to swing is arranged at the bottom of the lower lock corresponding to the mounting rod.
[0008] The upper mold includes an upper mold base, a fixing plate and a pushing plate arranged in sequence from top to bottom; a notch for the end of the lock to extend into is arranged on the fixing plate corresponding to the lower lock; the unlocking component includes an upper lock; notches are arranged on the fixing plate at the notch, the pushing plate and the moving mold corresponding to the lower lock; the three notches form a mounting groove for the upper lock; the upper lock is arranged in the mounting groove, and the top of the upper lock is fixed in the notch of the fixing plate.
[0009] An elastic pad in contact with the upper locking buckle is arranged on the inner wall of the notch of the push plate.
[0010] A lock hook for hooking on the push plate is provided at the top of the lower lock buckle; a shift block for contacting with the lock hook is provided in the middle of the upper lock buckle.
[0011] Both side walls of the shift block are arranged to be inclined surfaces; and the contact surface between the lock hook and the shift block is arranged to be an inclined surface.
[0012] By adopting the above technical scheme, the utility model has the following beneficial effects: the utility model is provided with a locking component, and an unlocking component is provided between the locking component and the upper mold, and the locking component automatically locks and unlocks the upper mold through the movement of the upper mold, which not only simplifies the structure of the mold, but also the locking component is movably arranged to reduce the wear of it and the unlocking component, increase the service life, avoid the need for frequent replacement or maintenance, and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.
[0014] Figure 1 It is a structural schematic diagram of the utility model.
[0015] Figure 2 It is a cross-sectional view of the utility model.
[0016] The reference numerals in the accompanying drawings are:
[0017] Upper die 1, upper die seat 1-1, fixed plate 1-2, push plate 1-3, lower die 2, lock assembly 3, mounting seat 3-1, lower lock 3-2, lock hook 3-3, unlocking assembly 4, shift block 4-1, reset assembly 5, mounting rod 5-1, reset spring 5-2. DETAILED DESCRIPTION
[0018] (Example 1)
[0019] See Figure 1 and Figure 2 , an injection mold with a mechanical opener and closer of the present embodiment comprises an upper mold 1 and a lower mold 2; the mechanical opener and closer is arranged between the upper mold 1 and the lower mold 2; the mechanical opener and closer comprises a locking component 3 movably arranged on the lower mold 2 and an unlocking component 4 corresponding to the locking component 3 and arranged on the upper mold 1; the unlocking component 4 is arranged between the locking component 3 and the upper mold 1, and when the upper mold 1 moves up and down, the unlocking component 4 moves the locking component 3 to achieve locking and unlocking of the upper mold 1.
[0020] Furthermore, to simplify the structure of the latch assembly 3 and facilitate installation, the latch assembly 3 includes a mounting base 3-1 and a lower latch 3-2 rotatably mounted within the mounting base 3-1; a reset assembly 5 is provided at the bottom of the lower latch 3-2 for resetting the lower latch 3-2 to ensure that the lower latch 3-2 can be normally reset.
[0021] Furthermore, to simplify the structure of the reset structure and facilitate the installation of the reset assembly 5, the reset assembly 5 includes a mounting rod 5-1 and a reset spring 5-2 sleeved on the mounting rod 5-1; a mounting hole is provided on the lower die 2 corresponding to the bottom of the lower latch 3-2; one end of the reset spring 5-2 is disposed within the mounting hole, and the other end abuts against the bottom of the lower latch 3-2; one end of the mounting rod 5-1 is fixed within the mounting hole, and the other end is fixed on the mounting base 3-1; an avoidance groove for the lower latch 3-2 to swing is provided at the bottom of the lower latch 3-2 corresponding to the mounting rod 5-1.
[0022] Furthermore, to facilitate the installation of the unlocking assembly 4, the upper die 1 includes an upper die base 1-1, a fixing plate 1-2, and a push plate 1-3 arranged in sequence from top to bottom; a notch for the end of the latch to extend into is provided on the fixing plate 1-2 corresponding to the lower latch 3-2; the unlocking assembly 4 includes an upper latch; notches are provided at the notch of the fixing plate 1-2, the push plate 1-3, and on the moving die corresponding to the lower latch 3-2; the three notches form an installation slot for the upper latch; the upper latch is disposed within the installation slot, and the top of the upper latch is fixed within the notch of the fixing plate 1-2.
[0023] Furthermore, an elastic pad 1-4 in contact with the upper latch is provided on the inner wall of the notch of the push plate 1-3 to ensure that the upper latch has a certain amount of movement space and reduce the wear between it and the lower latch 3-2.
[0024] Furthermore, a locking hook 3-3 for hooking on the push plate 1-3 is provided at the top of the lower latch 3-2; a dial block 4-1 for contacting the locking hook 3-3 is provided in the middle of the upper latch to ensure that the upper latch can stably push aside the lower latch 3-2 to achieve unlocking and locking.
[0025] Furthermore, to further reduce the wear between the upper latch and the lower latch 3-2, both side walls of the dial block 4-1 are provided as inclined surfaces; the contact surface between the locking hook 3-3 and the dial block 4-1 is provided as an inclined surface.
[0026] The injection mold with a mechanical switch in this embodiment is provided with a locking component 3, and an unlocking component 4 is arranged between the locking component 3 and the upper mold 1. Through the movement of the upper mold 1, the locking of the upper mold 1 by the locking component 3 and the unlocking are automatically realized, which not only simplifies the structure of the mold, but also the locking component 3 is movably arranged, reducing the wear between it and the unlocking component 4, improving the service life, avoiding the situation of frequent replacement or maintenance, and improving the production efficiency.
[0027] The specific embodiments described above have further elaborated on the purpose, technical solutions, and beneficial effects of the present invention. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. An injection mold with a mechanical opener and closer, characterized in that: The invention comprises an upper die (1) and a lower die (2); the mechanical opener and closer is arranged between the upper die (1) and the lower die (2); the mechanical opener and closer comprises a locking component (3) movably arranged on the lower die (2) and an unlocking component (4) corresponding to the locking component (3) and arranged on the upper die (1); the unlocking component (4) is arranged between the locking component (3) and the upper die (1); when the upper die (1) moves up and down, the unlocking component (4) moves the locking component (3) to achieve locking and unlocking of the upper die (1).
2. The injection mold with a mechanical opener and closer according to claim 1, characterized in that: The lock buckle assembly (3) comprises a mounting seat (3-1) and a lower lock buckle (3-2) rotatably mounted in the mounting seat (3-1); a reset assembly (5) for resetting the lower lock buckle (3-2) is provided at the bottom of the lower lock buckle (3-2).
3. The injection mold with a mechanical opener and closer according to claim 2, characterized in that: The reset assembly (5) comprises a mounting rod (5-1) and a reset spring (5-2) sleeved on the mounting rod (5-1); a mounting hole is provided on the lower mold (2) at a position corresponding to the bottom of the lower lock buckle (3-2); one end of the reset spring (5-2) is arranged in the mounting hole, and the other end abuts against the bottom of the lower lock buckle (3-2); one end of the mounting rod (5-1) is fixed in the mounting hole, and the other end is fixed on the mounting seat (3-1); and an avoidance groove for the lower lock buckle (3-2) to swing is provided at the bottom of the lower lock buckle (3-2) corresponding to the mounting rod (5-1).
4. The injection mold with a mechanical opener and closer according to claim 2, characterized in that: The upper mold (1) comprises an upper mold base (1-1), a fixed plate (1-2) and a push plate (1-3) which are arranged in sequence from top to bottom; a notch is provided on the fixed plate (1-2) at a position corresponding to the lower lock buckle (3-2) for the end of the lock buckle to extend into; the unlocking component (4) comprises an upper lock buckle; notches are provided at the notch of the fixed plate (1-2), the push plate (1-3) and the position corresponding to the lower lock buckle (3-2) on the movable mold; the three notches form a mounting groove of the upper lock buckle; the upper lock buckle is arranged in the mounting groove, and the top of the upper lock buckle is fixed in the notch of the fixed plate (1-2).
5. The injection mold with a mechanical opener and closer according to claim 4, characterized in that: An elastic pad (1-4) in contact with the upper locking buckle is provided on the inner wall of the notch of the push plate (1-3).
6. The injection mold with a mechanical opener and closer according to claim 4, characterized in that: A lock hook (3-3) for hooking onto the push plate (1-3) is provided at the top of the lower lock buckle (3-2); and a shifting block (4-1) for contacting the lock hook (3-3) is provided at the middle of the upper lock buckle.
7. The injection mold with a mechanical opener and closer according to claim 6, characterized in that: Both side walls of the shift block (4-1) are arranged to be inclined surfaces; and the contact surface between the lock hook (3-3) and the shift block (4-1) is arranged to be an inclined surface.