Spiral bevel gear mold convenient to demold
By designing locking and demolding components, the problems of complicated operation and difficult demolding of split spiral bevel gear molds have been solved, achieving rapid fixing and convenient demolding, thus improving production efficiency and casting quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-24
AI Technical Summary
Existing split-type spiral bevel gear molds are complicated to operate when opening and closing the mold, consume a lot of time, and are difficult to demold quickly, which affects production efficiency and casting accuracy.
The design employs locking and demolding components, and through the cooperation of hydraulic cylinders and vibration motors, it achieves rapid fixing and stable separation of the mold, as well as convenient demolding of the casting.
It simplifies the opening and closing of the mold, improves production efficiency, ensures casting accuracy and quality, reduces demolding time, and avoids damage to castings.
Smart Images

Figure CN224026470U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of mold technology, and in particular relates to a spiral bevel gear mold that is easy to demold. Background Technology
[0002] Spiral bevel gears are widely used in mechanical transmission systems. Due to their superior transmission performance and efficient operation, they are often used in transmission devices in fields such as aviation, automobiles, and machine tools. During the manufacturing process of spiral bevel gears, due to their complex geometry and fine gear structure, mold design and demolding process become a major challenge in production. Traditional spiral bevel gear molds are mostly cast using integral molds or split molds.
[0003] Traditional spiral bevel gear molds mostly adopt a split design. The advantage of this design is that the mold is easy to disassemble, which facilitates the removal of castings and cleaning of the mold. However, the existing split molds are complicated to operate when opening and closing the mold, which requires a lot of time. Moreover, it is difficult to quickly demold at the gear casting position, resulting in low demolding efficiency of spiral bevel gears in actual casting process. To address these issues, we provide a spiral bevel gear mold that facilitates demolding. Utility Model Content
[0004] The purpose of this utility model is to provide a spiral bevel gear mold that is easy to demold. By cooperating with the locking component and the demolding component, it solves the problems of the existing split mold, which is complicated to operate when opening and closing, requires a lot of time to open and close, and is difficult to demold quickly at the gear casting position.
[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution.
[0006] This utility model relates to a spiral bevel gear mold for easy demolding, comprising a mold body, which includes a split mold and a base mold. The base mold is located at the bottom of the split mold. A support frame is provided at the bottom of the mold body. A locking assembly is provided on the surface of the mold body. The locking assembly includes a first hydraulic cylinder located at the top of the split mold, a second hydraulic cylinder fixedly connected to one side of the split mold, a fixing rod fixedly connected to the output end of the second hydraulic cylinder, a locking block fixedly connected to the top of the base mold, and a locking insert block located inside the locking block. The locking assembly can fix the two split molds. A demolding assembly is provided at the bottom of the base mold. The demolding assembly includes a vibration motor fixedly connected to the bottom of the base mold, a spring fixedly connected to the bottom of the base mold, a push plate fixedly connected to the bottom of the spring, and a third hydraulic cylinder fixedly connected to the bottom of the push plate. The demolding assembly facilitates demolding.
[0007] The utility model further sets up, support frame top fixedly connected with support plate, first hydraulic cylinder fixedly connected in support plate one side, support plate one side is equipped with mobile sliding slot, mobile sliding slot inside fixedly connected with slide rod, the surface of slide rod is connected with the sliding block of sliding, sliding block one side with split mould fixed connection.
[0008] The utility model further sets up, first hydraulic cylinder output fixedly connected with connecting plate, connecting plate bottom with split mould top fixed connection, first hydraulic cylinder is double -end cylinder, the split mould quantity is two.
[0009] The utility model further sets up, the inside of locking block is equipped with the locking recess of adapting with locking insert block, locking insert block fixedly connected in split mould one side, locking block with locking insert block inside are equipped with the fixed groove of adapting with fixed rod.
[0010] The utility model further sets up, first hydraulic cylinder quantity is two, and first hydraulic cylinder is horizontal design, and second hydraulic cylinder is vertical design.
[0011] The utility model further sets up, push board top four corners all fixedly connected with fourth hydraulic cylinder, fourth hydraulic cylinder output fixedly connected with top plate.
[0012] The utility model further sets up, third hydraulic cylinder bottom fixedly connected in support frame inside, vibration motor quantity is two, and two vibration motors are horizontal design.
[0013] The utility model has following beneficial effect.
[0014] 1. The utility model discloses a split mould locking and separating device, and the utility model discloses a locking assembly is arranged, can quickly, stably fix and separate split mould, simplifies the opening and closing operation of mould body, improves production efficiency, and the cooperation of locking assembly, second hydraulic cylinder and fixed rod ensures that the mould body keeps stable during the casting process, avoids the shaking of the mould body, improves the casting precision and quality of spiral bevel gear.
[0015] 2. The utility model discloses a split mould locking and separating device, and the utility model discloses a demoulding assembly is arranged, can effectively reduce the resistance when demoulding, avoids casting damage, and the synergies of demoulding assembly, vibration motor, third hydraulic cylinder and fourth hydraulic cylinder make the gap between casting and mould body surface, facilitate quick demoulding, reduce demoulding time and improve production efficiency.
[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing do simple introduction.
[0018] Figure 1 It is a kind of convenient demoulding's spiral bevel gear mould solid drawing.
[0019] Figure 2 It is a kind of convenient demoulding's spiral bevel gear mould in split mould and bottom plate mould split drawing.
[0020] Figure 3 It is a kind of convenient demoulding's spiral bevel gear mould in locking block and locking plug explosion diagram.
[0021] Figure 4 It is a kind of convenient demoulding's spiral bevel gear mould in support plate sectional view.
[0022] Figure 5 It is a kind of convenient demoulding's spiral bevel gear mould in bottom plate mould bottom view.
[0023] In the drawing: 1, mould body;2, split mould;3, bottom plate mould;4, support frame;5, first hydraulic cylinder;6, second hydraulic cylinder;7, fixed rod;8, locking block;9, locking plug;10, vibration motor;11, spring;12, push plate;13, third hydraulic cylinder;14, support plate;15, slide rod;16, sliding block;17, connecting plate;18, fourth hydraulic cylinder;19, top plate. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described below in conjunction with the drawings in the embodiments of the utility model, and the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0025] Embodiment 1
[0026] Please refer to Figures 1-5The utility model discloses a spiral bevel gear mould convenient to demould, including mould body 1, mould body 1 includes split mould 2 and bottom plate mould 3, and bottom plate mould 3 is located at the bottom of split mould 2, and the bottom of mould body 1 is provided with support frame 4, and the surface of mould body 1 is provided with locking assembly, and locking assembly includes the first hydraulic cylinder 5 of setting at the top of split mould 2, the second hydraulic cylinder 6 of fixed connection in one side of split mould 2, the fixed link of fixed connection in the output end of second hydraulic cylinder 6, the locking block 8 of fixed connection in the top of bottom plate mould 3 and the locking insert block 9 of setting in the inside of locking block 8, through the setting of locking assembly, can push two split moulds 2 to move to both sides, and when closing the mould, through the mode of fixed link 7 insertion locking block 8 and locking insert block 9 inside, two split moulds 2 are fixed, and bottom plate mould 3 bottom is provided with demolding assembly, and demolding assembly includes the vibration motor 10 of fixed connection in the bottom of bottom plate mould 3, the spring 11 of fixed connection in the bottom of bottom plate mould 3, the push plate 12 of fixed connection in the bottom of spring 11 and the third hydraulic cylinder 13 of fixed connection in the bottom of push plate 12, through the setting of demolding assembly, when needing demoulding, vibration motor 10 generates vibration, makes the clearance of mould body 1 and cast spiral bevel gear, can conveniently demould.
[0027] Example 2
[0028] Please refer to Figures 1-5 On the basis of example 1, the top of support frame 4 is fixedly connected with a support plate 14, the first hydraulic cylinder 5 is fixedly connected to one side of the support plate 14, a moving sliding groove is formed in one side of the support plate 14, a sliding rod 15 is fixedly connected to the inside of the moving sliding groove, a sliding block 16 is slidably connected to the surface of the sliding rod 15, one side of the sliding block 16 is fixedly connected with the split mould 2, the first hydraulic cylinder 5 is fixed by the support plate 14, and the split mould 2 is supported at the same time, so that the split mould 2 moves smoothly, a connecting plate 17 is fixedly connected to the output end of the first hydraulic cylinder 5, the bottom of the connecting plate 17 is fixedly connected with the top of the split mould 2, the first hydraulic cylinder 5 is a double-head cylinder, the number of the split mould 2 is two, the first hydraulic cylinder 5 and the connecting plate 17 can drive the two split moulds 2 to move respectively, a locking groove is formed in the inside of the locking block 8 and is matched with the locking insert block 9, the locking insert block 9 is fixedly connected to one side of the split mould 2, the inside of the locking block 8 and the locking insert block 9 are both formed with a fixing through groove matched with the fixed link 7, the number of the first hydraulic cylinder 5 is two, and the first hydraulic cylinder 5 is designed horizontally, the second hydraulic cylinder 6 is designed vertically, a fourth hydraulic cylinder 18 is fixedly connected to the top of the push plate 12, the output end of the fourth hydraulic cylinder 18 is fixedly connected with a top plate 19, the fourth hydraulic cylinder 18 and the top plate 19 can support the bottom plate mould 3 when the spiral bevel gear is casted, the third hydraulic cylinder 13 is fixedly connected to the inside of the support frame 4, the number of the vibration motor 10 is two, and the two vibration motors 10 are designed horizontally.
[0029] The utility model discloses a working principle is: first hydraulic cylinder 5 drives two sides split mould 2 and moves towards each other, and two split moulds 2 stop first hydraulic cylinder 5 after contacting, and the locking plug 9 on split mould 2 inserts locking recess in locking block 8 inside at this time, and then second hydraulic cylinder 6 drives fixed rod 7 and inserts the fixed through -groove of locking block 8 and locking plug 9 downwards, and at this time, two split moulds 2 are assembled, and third hydraulic cylinder 13 drives push -out plate 12 and moves upwards, and fourth hydraulic cylinder 18 drives top plate 19 and moves upwards in the process of push -out plate 12 moving up, and the top of top plate 19 contacts with the bottom of bottom plate mould 3, and bottom plate mould 3 is supported, and it avoids the wobble of bottom plate mould 3 in the casting process, and when bottom plate mould 3 and split mould 2 bottom contact, stop third hydraulic cylinder 13, and at this time, external casting device pours casting material through the injection post on the top of bottom plate mould 3, and after casting cooling, second hydraulic cylinder 6 contracts, and makes fixed rod 7 separate fixed through -groove, and fourth hydraulic cylinder 18 drives top plate 19 and moves downwards, and makes top plate 19 and bottom plate mould 3 separate contact, and at this time, start vibration motor 10, and vibration motor 10 makes bottom plate mould 3 vibrate, and bottom plate mould 3 drives the vibration of casted spiral bevel gear, to make the gap of casted spiral bevel gear and mould surface, and at this time, first hydraulic cylinder 5 drives split mould 2 and moves to the outside, and the main body of casted spiral bevel gear exposes, and external clamping arm clamps the main body exposed, and at this time, third hydraulic cylinder 13 contracts, and third hydraulic cylinder 13 drives bottom plate mould 3 and moves downwards, and makes bottom plate mould 3 and casted spiral bevel gear bottom separate, and at this time, casted spiral bevel gear is demoulded.
[0030] The above only describes some demonstrative embodiments of the utility model through the way of illustration, and it is needless to say that, for ordinary skilled person in the art, can modify the described embodiments in various different ways without deviating from the spirit and scope of the utility model. Therefore, the above drawing and description are illustrative in nature, and should not be understood as the limitation of the utility model claim protection scope.
Claims
1. A spiral bevel gear mold for easy demolding, comprising a mold body (1), characterized in that: The mold body (1) includes a split mold (2) and a base plate mold (3). The base plate mold (3) is located at the bottom of the split mold (2). A support frame (4) is provided at the bottom of the mold body (1). The surface of the mold body (1) is provided with a locking assembly. The locking assembly includes a first hydraulic cylinder (5) set on the top of the split mold (2), a second hydraulic cylinder (6) fixedly connected to one side of the split mold (2), a fixing rod (7) fixedly connected to the output end of the second hydraulic cylinder (6), a locking block (8) fixedly connected to the top of the bottom plate mold (3), and a locking insert (9) set inside the locking block (8). By setting the locking assembly, the two split molds (2) can be fixed. The bottom of the base plate mold (3) is provided with a demolding assembly, which includes a vibration motor (10) fixedly connected to the bottom of the base plate mold (3), a spring (11) fixedly connected to the bottom of the base plate mold (3), a push plate (12) fixedly connected to the bottom of the spring (11), and a third hydraulic cylinder (13) fixedly connected to the bottom of the push plate (12). The demolding assembly facilitates demolding.
2. The spiral bevel gear mold for easy demolding according to claim 1, characterized in that: The support frame (4) is fixedly connected to the top of the support plate (14), the first hydraulic cylinder (5) is fixedly connected to one side of the support plate (14), a movable slide groove is opened on one side of the support plate (14), a slide rod (15) is fixedly connected inside the movable slide groove, a slider (16) is slidably connected to the surface of the slide rod (15), and one side of the slider (16) is fixedly connected to the split mold (2).
3. The spiral bevel gear mold for easy demolding according to claim 1, characterized in that: The output end of the first hydraulic cylinder (5) is fixedly connected to a connecting plate (17), the bottom of the connecting plate (17) is fixedly connected to the top of the split mold (2), the first hydraulic cylinder (5) is a double-headed cylinder, and the number of split molds (2) is two.
4. A spiral bevel gear mold for easy demolding according to claim 1, characterized in that: The locking block (8) has a locking groove inside that matches the locking insert (9). The locking insert (9) is fixedly connected to one side of the split mold (2). Both the locking block (8) and the locking insert (9) have a fixing through groove inside that matches the fixing rod (7).
5. A spiral bevel gear mold for easy demolding according to claim 1, characterized in that: There are two first hydraulic cylinders (5), and the first hydraulic cylinder (5) is horizontally designed, while the second hydraulic cylinder (6) is vertically designed.
6. A spiral bevel gear mold for easy demolding according to claim 1, characterized in that: The push plate (12) is fixedly connected to the four corners of the top of the fourth hydraulic cylinder (18), and the output end of the fourth hydraulic cylinder (18) is fixedly connected to the top plate (19).
7. A spiral bevel gear mold for easy demolding according to claim 1, characterized in that: The bottom of the third hydraulic cylinder (13) is fixedly connected inside the support frame (4), and there are two vibration motors (10), and the two vibration motors (10) are designed horizontally.