Mold core structure of washing machine rear frame mold
By introducing a combination structure of wedge blocks and sliding blocks into the rear frame mold of the washing machine, and utilizing hydraulic cylinder drive and slide groove limiting design, the problem of unstable sliding of the sliding blocks was solved, achieving stable demolding of the mold core structure and improving production efficiency.
Patent Information
- Application Number
- CN202422964053.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-02
AI Technical Summary
The existing mold core structure of the washing machine rear frame mold has unstable sliding blocks during demolding, resulting in low production efficiency and high cost.
The design employs a wedge block and sliding block structure. The wedge block is driven to slide by a hydraulic cylinder, and the connecting block drives the sliding block to slide. Combined with the design of the slide groove and limit block, the stability of the sliding block and the mold closing effect are ensured.
It improves the demolding stability and production efficiency of the mold core structure, and reduces production costs.
Smart Images
Figure CN223520107U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of washing machine mold technology, in particular to a mold core structure of a washing machine rear frame mold. BACKGROUND
[0002] The washing machine can wash a large amount of clothes at a time by using electric energy to produce mechanical action, which significantly improves the washing efficiency and saves the user's time. The washing machine mold is installed on the injection molding machine, the plastic particles are heated to melt, and then injected into the mold cavity to form the structure of the washing machine.
[0003] The mold core structure of the common rear frame mold is composed of a wedge block and two sliding blocks, the two sliding blocks are located on the two sides of the wedge block, and the two sliding blocks are connected with the wedge block. The inclined edges of the two sliding blocks are in close contact with the two inclined edges of the wedge block during clamping, and the core pulling is completed. However, when the wedge block drives the sliding block to slide, the sliding track of the sliding block is not stable enough. The structure of the mold core structure of the rear frame mold may be deviated during demolding, which affects the production efficiency and results in high production cost. CONTENT OF THE INVENTION
[0004] In order to make the sliding block slide more stably and make the structure of the mold core structure of the rear frame mold stable during demolding, the production efficiency is improved, the present application provides a mold core structure of a washing machine rear frame mold.
[0005] The present application provides a mold core structure of a washing machine rear frame mold, which adopts the following technical scheme:
[0006] A mold core structure of a washing machine rear frame mold, comprising a lower mold and a wedge block slidingly arranged on the lower mold, two sliding blocks are slidingly arranged on the lower mold, a connecting block is arranged on the two sides of the wedge block, the end of the connecting block away from the wedge block is slidingly arranged on the sliding block, a first sliding groove is formed in the lower mold, a first sliding block is arranged on the sliding block, the first sliding block is slidingly arranged in the first sliding groove, the first sliding block slides along the length direction of the first sliding groove, and the first sliding block corresponds to the first sliding groove one by one; further comprising an oil cylinder, the output end of the oil cylinder is arranged on the wedge block, the oil cylinder drives the wedge block to slide on the lower mold, and the wedge block drives the first sliding block to slide along the length direction of the first sliding groove.
[0007] By adopting the above technical scheme, when demolding of the mold core structure is needed, the first sliding block is arranged on the sliding block, and the first sliding block slides along the length direction of the first sliding groove. When the oil cylinder drives the wedge block to slide towards the oil cylinder, the connecting block arranged on the wedge block drives the sliding block to slide, so that the first sliding block slides along the length direction of the first sliding groove. The sliding block slides more stably, the structure of the mold core structure of the rear frame mold is stable during demolding, and the production efficiency is improved.
[0008] Optionally, the connecting block is provided with a protrusion, and the sliding block is provided with a groove for the protrusion to slide in the groove.
[0009] By adopting the above technical scheme, through the cooperation of the protrusion and the groove, when the wedge block drives the sliding block to slide, the sliding block is driven to slide by abutting against the side wall of the groove, and the sliding stability of the sliding block is improved.
[0010] Optionally, the bottom of the wedge block is provided with a second sliding block, and the lower die is provided with a second sliding groove for the second sliding block to slide in the second sliding groove.
[0011] By adopting the above technical scheme, the cooperation of the second sliding block and the second sliding groove makes the oil cylinder slide stably when driving the wedge block to slide.
[0012] Optionally, the first sliding groove is provided with a first anti-disengagement block on the opposite two side walls, and the second sliding groove is provided with a second anti-disengagement block on the opposite two side walls.
[0013] By adopting the above technical scheme, the first anti-disengagement block and the second anti-disengagement block prevent the first sliding block and the second sliding block from disengaging from the first sliding groove and the second sliding groove, and the wedge block and the sliding block slide more stably.
[0014] Optionally, the lower die is provided with a first limiting block on the opposite two sides, and the end of the lower die away from the oil cylinder is provided with a second limiting block, and the second limiting block is provided in one-to-one correspondence with the sliding block. When the oil cylinder drives the wedge block to slide away from the oil cylinder, the sliding block abuts against the first limiting block, and when the sliding block and the wedge block both abut against the second limiting block, the mold is closed.
[0015] By adopting the above technical scheme, the first limiting block prevents the sliding block from sliding excessively to the side, the second limiting block limits the sliding of the wedge block and the sliding block, the mold is closed more stably, and the wedge block and the sliding block are not easy to disengage from the lower die.
[0016] Optionally, the protrusion is a wear-resistant block
[0017] By adopting the above technical scheme, the wear-resistant block improves the wear resistance of the protrusion, so that the protrusion is not easy to be replaced frequently due to wear.
[0018] In summary, the present application has at least one of the following beneficial technical effects:
[0019] 1. When the mold core structure is demolded, the oil cylinder drives the wedge block to slide towards the oil cylinder, the connecting block drives the sliding block to slide, the first sliding block slides on the first sliding groove, the sliding block slides stably, the structure is stable when the mold core structure is demolded, and the production efficiency is improved.
[0020] 2. The second sliding block slides on the second sliding groove to make the wedge block slide stably.
[0021] 3. The first limiting block and the second limiting block make the mold closing more stable, and the wedge-shaped block and the sliding block are not easy to separate from the lower mold. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 is a schematic diagram of the overall structure of the mold core of the washing machine rear frame mold of the embodiment.
[0023] Figure 2 is a sectional view of A-A of Figure 1 .
[0024] Figure 3 is a schematic diagram of the partial structure of the mold core of the washing machine rear frame mold of the embodiment.
[0025] Reference signs: 1, lower mold; 2, wedge-shaped block; 3, sliding block; 41, connecting block; 42, first sliding groove; 43, first sliding block; 44, protrusion; 45, recess; 46, second sliding block; 47, second sliding groove; 5, oil cylinder; 6, first anti-disengagement block; 7, second anti-disengagement block; 8, first limiting block; 9, second limiting block. DETAILED DESCRIPTION
[0026] The application will be further described in detail below in combination with the drawings and embodiments.
[0027] The application discloses a mold core structure of a washing machine rear frame mold. Referring to Figure 1 , the mold core structure of the washing machine rear frame mold comprises a lower mold 1 and a wedge-shaped block 2 slidingly connected to the lower mold 1. Two sliding blocks 3 are slidingly connected to the lower mold 1, and the wedge-shaped block 2 is fixed with a connecting block 41 on each side. The connecting block 41 is slidingly connected to the sliding block 3 at an end away from the wedge-shaped block 2. The connecting block 41 is fixed with a protrusion 44, the sliding block 3 is provided with a recess 45 for the sliding of the protrusion 44, the protrusion 44 slides along the length direction of the recess 45, and the protrusion 44 is a wear-resistant block.
[0028] Referring to Figure 1 , Figure 2 , Figure 3 , the lower mold 1 is provided with a first sliding groove 42, the sliding block 3 is fixed with a first sliding block 43, the first sliding block 43 is slidingly connected in the first sliding groove 42, the first sliding block 43 slides along the length direction of the first sliding groove 42, and the first sliding block 43 corresponds to the first sliding groove 42 one by one. The wedge-shaped block 2 is fixed with a second sliding block 46 at the bottom, the lower mold 1 is provided with a second sliding groove 47 for the sliding of the second sliding block 46, and the second sliding block 46 slides along the length direction of the second sliding groove 47. The first sliding groove 42 is fixed with a first anti-disengagement block 6 on the opposite two side walls, and the second sliding groove 47 is fixed with a second anti-disengagement block 7 on the opposite two side walls.
[0029] Referring to Figure 1 , Figure 2 , Figure 3, the mold core structure of the washing machine rear frame mold further comprises an oil cylinder 5, a pushing block is fixed on the output end of the oil cylinder 5, and the pushing block is fixed on the wedge-shaped block 2. The oil cylinder 5 drives the wedge-shaped block 2 to slide on the lower mold 1, and the sliding of the wedge-shaped block 2 drives the first sliding block 43 to slide along the length direction of the first sliding groove 42.
[0030] With reference to Figure 1 , Figure 2 , Figure 3 The first limiting block 8 is fixed on the two opposite sides of the lower mold 1, the second limiting block 9 is fixed on the end of the lower mold 1 away from the oil cylinder 5, and the second limiting block 9 is arranged in one-to-one correspondence with the sliding block 3. When the oil cylinder 5 drives the wedge-shaped block 2 to slide away from the oil cylinder 5, the sliding block 3 abuts against the first limiting block 8. When the sliding block 3 and the wedge-shaped block 2 both abut against the second limiting block 9, the mold is closed.
[0031] The implementation principle of the mold core structure of the washing machine rear frame mold in the embodiment of the application is as follows: when the mold is closed, the oil cylinder 5 drives the wedge-shaped block 2 to slide away from the oil cylinder 5, the connecting block 41 drives the sliding block 3 to slide, when the sliding block 3 abuts against the first limiting block 8 and the sliding block 3 and the wedge-shaped block 2 both abut against the second limiting block 9, the mold is closed; when it is needed to core-pulling demold the mold core structure, the oil cylinder 5 drives the wedge-shaped block 2 to slide towards the oil cylinder 5, the convex block 44 abuts against the side wall of the recess 45, thereby driving the sliding block 3 to slide, the first sliding block 43 slides along the first sliding groove 42, the sliding of the sliding block 3 is more stable, the convex block 44 improves the wear resistance of the connecting block 41, meanwhile, the mold core structure of the rear frame mold is stable when demolded, and the production efficiency is improved.
[0032] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.
Claims
1. A mold core structure of a rear frame mold of a washing machine, comprising a lower mold (1) and a wedge-shaped block (2) slidably disposed on the lower mold (1), wherein two sliding blocks (3) are slidably disposed on the lower mold (1), and characterized in that: The wedge-shaped block (2) is provided with a connecting block (41) on each side, the connecting block (41) is slidably arranged on the sliding block (3) away from the wedge-shaped block (2), the lower mold (1) is provided with a first sliding groove (42), the sliding block (3) is provided with a first sliding block (43), the first sliding block (43) is slidably arranged in the first sliding groove (42), the first sliding block (43) slides along the length direction of the first sliding groove (42), and the first sliding block (43) corresponds to the first sliding groove (42) one by one; the oil cylinder (5) is arranged on the wedge-shaped block (2), the oil cylinder (5) drives the wedge-shaped block (2) to slide on the lower mold (1), and the wedge-shaped block (2) drives the first sliding block (43) to slide along the length direction of the first sliding groove (42).
2. The core structure of a laundry machine rear frame mold according to claim 1, characterized in that: The connecting block (41) is provided with a convex block (44), the sliding block (3) is provided with a groove (45) for the sliding of the convex block (44), and the convex block (44) slides along the length direction of the groove (45).
3. The core structure of a laundry machine rear frame mold according to claim 1, characterized in that: The bottom of the wedge-shaped block (2) is provided with a second sliding block (46), the lower mold (1) is provided with a second sliding groove (47) for the sliding of the second sliding block (46), and the second sliding block (46) slides along the length direction of the second sliding groove (47).
4. The core structure of a laundry machine rear frame mold according to claim 3, characterized in that: The first sliding groove (42) is provided with a first anti-disengagement block (6) on the opposite two side walls, and the second sliding groove (47) is provided with a second anti-disengagement block (7) on the opposite two side walls.
5. The core structure of a laundry machine rear frame mold according to claim 1, wherein: The lower mold (1) is provided with a first limiting block (8) on the opposite two sides, the lower mold (1) is provided with a second limiting block (9) away from the oil cylinder (5), the second limiting block (9) is arranged corresponding to the sliding block (3), when the wedge-shaped block (2) slides away from the oil cylinder (5) driven by the oil cylinder (5), the sliding block (3) abuts against the first limiting block (8), and when the sliding block (3) and the wedge-shaped block (2) both abut against the second limiting block (9), the mold is closed.
6. The core structure of a laundry machine rear frame mold according to claim 2, wherein: The convex block (44) is a wear-resistant block.