Novel impeller blade mold stripping mechanism

Abstract

The utility model discloses a novel impeller blade mold stripping mechanism which is used in an impeller injection mold and comprises a plurality of impeller blade forming components, a plurality of first rotating shafts, a driving disc, a plurality of second rotating shafts and a driving mechanism, the impeller blade forming assemblies are arranged in the circumferential direction of the inner cavity forming piece at a time. The first rotating shafts are connected with the impeller blade forming assemblies in a one-to-one correspondence mode. The first rotating shaft is slidably connected with the rear mold core; the driving disc is arranged on the inner cavity forming part in a sleeving manner; a plurality of driving grooves are formed in the driving disc; the second rotating shafts are respectively connected with the first rotating shafts, and the other ends are arranged in the driving groove; the driving mechanism is arranged on the rear mold core, the output end of the driving mechanism is meshed with the driving disc through a gear rack, and the driving disc can be driven to rotate. According to the utility model, the injection molding production of products needing to be rotationally demoulded is realized, the limitation on the structural design of the products is reduced, the production cost is reduced, and the products win wider markets and higher profits.

Description

Technical Field

[0001] The utility model relates to the technical field of impeller blade molds, and particularly relates to a novel demolding mechanism for impeller blades. Background Art

[0002] In the prior art, the slider demolding of impeller blades can only be performed in a linear motion mode, and it is difficult to realize the demolding of the slider with rotational motion, which greatly limits the design shape of impeller blades. In addition, for the slider demolding in a linear motion mode, multiple sliders need to be designed, so multiple driving cylinders are required accordingly, which also greatly increases the production cost. Summary of the Invention

[0003] According to an embodiment of the utility model, there is provided a novel demolding mechanism for impeller blades, which is used in an impeller injection mold. The injection mold includes a front template, a rear template, a front mold core, an inner cavity forming part and a rear mold core. The inner cavity forming part is arranged on the rear mold core and is used for forming the inner cavity of the impeller. The demolding mechanism includes:

[0004] A plurality of impeller blade forming components are arranged in sequence along the circumferential direction of the inner cavity forming part. A plurality of impeller blade forming components can form an internal cavity with the inner cavity forming part, and the internal cavity is used for forming impeller blades;

[0005] A plurality of first rotating shafts are connected to the plurality of impeller blade forming components in a one-to-one correspondence. The impeller blade forming components can rotate around the corresponding first rotating shafts; the first rotating shafts are slidably connected to the rear mold core;

[0006] A driving disk is sleeved on the inner cavity forming part, can rotate around the inner cavity forming part, and is located between the rear mold core and the impeller blade forming components;

[0007] A plurality of driving grooves corresponding to the plurality of impeller blade forming components are arranged on the driving disk;

[0008] A plurality of second rotating shafts, one end of each of the plurality of second rotating shafts is connected to the plurality of first rotating shafts in a one-to-one correspondence, and the other end is movably arranged in the driving grooves;

[0009] A driving mechanism is arranged on the rear mold core, and its output end is engaged with the driving disk through a gear rack, and can drive the driving disk to rotate. The driving disk can drive the impeller blade forming components to rotate through the second rotating shafts.

[0010] Furthermore, it further includes: a fixed disk, which is fixedly connected to the front mold core, and the fixed disk can be sleeved on the plurality of impeller blade forming components for fixing the plurality of impeller blade forming components.

[0011] Furthermore, a chamfer is arranged at the upper end of the impeller blade forming component.

[0012] Furthermore, the driving mechanism includes:

[0013] A driving slider, which is slidably connected to the rear template and can slide within the rear template; the driving slider meshes with the driving disk and can drive the driving disk to rotate;

[0014] An inclined guide post, the upper end of which is slidably connected to the front template and cannot be separated from the front template, and the lower end is slidably connected to the driving slider and can drive the driving slider to reciprocate.

[0015] Furthermore, the driving slider is provided with a first inclined groove, and the inclined guide post is slidably connected to the driving slider through the first inclined groove.

[0016] Furthermore, a first sliding groove is provided on the rear template, and the driving slider is arranged within the first sliding groove.

[0017] Furthermore, a second sliding groove is provided on the front template, the upper end of the inclined guide post is arranged within the second sliding groove, and a first limiting portion is provided at the upper end of the inclined guide post for preventing the inclined guide post from separating from the second sliding groove.

[0018] Furthermore, the impeller blade forming assembly includes: a forming block and a driving block;

[0019] A forming groove is provided within the forming block;

[0020] The driving block is arranged below the forming block, one end is hinged to the first rotating shaft, and the other end is connected to the second rotating shaft.

[0021] According to the novel impeller blade demolding mechanism of the embodiment of the present invention, the injection molding production of products that require rotational demolding is realized, the limitations in the product structure design are reduced, and the production cost is lowered, enabling the products to win a broader market and higher profits.

[0022] It should be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a structural diagram of the impeller blade;

[0024] Figure 2 is a schematic structural diagram according to an embodiment of the present invention;

[0025] Figure 3 is an assembly relationship diagram between the impeller blade forming assembly, the first rotating shaft and the second rotating shaft according to an embodiment of the present invention;

[0026] Figure 4 is Figure 2 a partial relationship schematic diagram of;

[0027] Figure 5 Stereogram of an impeller blade forming assembly according to an embodiment of the present utility model;

[0028] Figure 6 Schematic diagram of a stereogram of a mold containing the novel impeller blade demolding mechanism of this embodiment;

[0029] Figure 7 For Figure 6 Top view;

[0030] Figure 8 For Figure 7 Sectional view taken along line B - B;

[0031] Figure 9 For Figure 8 Enlarged view at position A;

[0032] Figure 10 For Figure 7 Sectional view taken along line C - C;

[0033] Figure 11 For Figure 6 Schematic diagram of the structure after removing the front template and the front mold core;

[0034] Figure 12 Assembly relationship diagram between the embodiment of the present utility model and the rear mold core. Specific embodiments

[0035] The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, and the present utility model will be further elaborated.

[0036] First, the novel impeller blade demolding mechanism according to an embodiment of the present utility model will be described in conjunction with Figures 1 - 12 It is used in an impeller injection mold and has a wide range of application scenarios.

[0037] As Figures 1 - 12 shown, the novel impeller blade demolding mechanism of the embodiment of the present utility model is used in an impeller injection mold. The injection mold includes a front template 11, a rear template 12, a front mold core 13, an inner cavity forming part 14, and a rear mold core 15. The inner cavity forming part 14 is arranged on the rear mold core 15, and the inner cavity forming part 14 is used for forming the inner cavity of the impeller blade 8. The demolding mechanism includes:

[0038] A plurality of impeller blade forming assemblies 2 are arranged in sequence along the circumferential direction of the inner cavity forming part 14. A plurality of impeller blade forming assemblies 2 can form an internal cavity with the inner cavity forming part 14, and the internal cavity is used for forming the impeller blade 8;

[0039] A number of first rotating shafts 3, the number of first rotating shafts 3 are connected to the number of impeller blade forming assemblies 2 in a one-to-one correspondence, and the impeller blade forming assemblies 2 can rotate around the corresponding first rotating shafts 3; the first rotating shafts 3 are slidably connected to the rear mold core 15;

[0040] A driving disk 4, the driving disk 4 is sleeved on the inner cavity forming part 14, can rotate around the inner cavity forming part 14, and is located between the rear mold core 15 and the impeller blade forming assembly 2;

[0041] A number of driving grooves 21 corresponding to the number of impeller blade forming assemblies 2 are arranged on the driving disk 4;

[0042] A number of second rotating shafts 5, one end of the number of second rotating shafts 5 is connected to the number of first rotating shafts 3 in a one-to-one correspondence, and the other end is movably arranged in the driving grooves 21;

[0043] A driving mechanism 6, the driving mechanism 6 is arranged on the rear mold core 15, and its output end is engaged with the driving disk 4 through a gear and rack, and can drive the driving disk 4 to rotate. The driving disk 4 can drive the impeller blade forming assembly 2 to rotate through the second rotating shaft 5.

[0044] Furthermore, as Figure 9 、 11 shown, in this embodiment, it further includes: a fixing disk 7, the fixing disk 7 is fixedly connected to the front mold core 13, and the fixing disk 7 can be sleeved on the number of impeller blade forming assemblies 2 for fixing the number of impeller blade forming assemblies 2.

[0045] Furthermore, as Figure 2 shown, in this embodiment, a chamfer 23 is arranged at the upper end of the impeller blade forming assembly 2.

[0046] Furthermore, as Figure 2 shown, in this embodiment, the driving mechanism 6 includes:

[0047] A driving slider 61, the driving slider 61 is slidably connected to the rear template 12 and can slide in the rear template 12; the driving slider 61 is engaged with the driving disk 4 and can drive the driving disk 4 to rotate;

[0048] An inclined guide post 62, the upper end of the inclined guide post 62 is slidably connected to the front template 11 and cannot be separated from the front template 11, and the lower end is slidably connected to the driving slider 61 and can drive the driving slider 61 to reciprocate.

[0049] Furthermore, as Figure 10 shown, in this embodiment, a first inclined groove 611 is arranged on the driving slider 61, and the inclined guide post 62 is slidably connected to the driving slider 61 through the first inclined groove 611.

[0050] Furthermore, as Figure 10As shown, in this embodiment, a first sliding groove 121 is provided on the rear template 12, and the driving slider 61 is arranged in the first sliding groove 121.

[0051] Furthermore, as Figure 7 , 10 shown, in this embodiment, a second sliding groove 111 is provided on the front template 11, the upper end of the inclined guide post 62 is arranged in the second sliding groove 111, and a first limiting portion is provided at the upper end of the inclined guide post 62 for preventing the inclined guide post 62 from disengaging from the second sliding groove 111.

[0052] Furthermore, as Figures 2 - 5 shown, in this embodiment, the impeller blade forming assembly 2 includes: a forming block 21 and a driving block 22;

[0053] A forming groove 211 is provided in the forming block 21, and the impeller blade 8 is formed when the forming block 21 cooperates with the inner cavity forming member 14;

[0054] The driving block 22 is arranged below the forming block 21, one end is hinged to the first rotating shaft 3, and the other end is connected to the second rotating shaft 5, and can drive the forming block 21 to move together.

[0055] Working principle:

[0056] Mold opening action:

[0057] (1) The injection molding machine performs the mold opening action.

[0058] (2) The front template 11 and the rear template 12 are gradually separated.

[0059] (3) The inclined guide post 62 starts to move driven by the front template 11.

[0060] (4) The movement of the inclined guide post 62 drives the driving slider 61 to move.

[0061] (5) The driving slider 61 drives the driving disk 4 to move.

[0062] (6) The driving disk 4 starts to move.

[0063] (7) The driving disk 4 drives the impeller blade forming assembly 2 to perform a rotational movement through the second rotating shaft 5

[0064] (8) The impeller blade forming assembly 2 rotates around the first rotating shaft 3 driven by the driving disk 4

[0065] (9) When the front template 11 drives the inclined guide post 62 to move to the designed distance, the driving slider 61 moves to the designed distance.

[0066] (10) At the same time, the driving disk 4 also moves to the designed value.

[0067] (11)The impeller blade forming assembly 2 moves according to the design value driven by the drive disk 4.

[0068] (12)The product of the impeller blade 8 to be injection-molded completes the demolding action.

[0069] (13)The ejector pin 16 ejects, and the product of the impeller blade 8 is taken out from the mold, completing the mold opening action.

[0070] Mold closing action:

[0071] (1)The injection molding machine closes the mold.

[0072] (2)The rear template 12 performs the mold closing action under the action of the mold closing thrust of the injection molding machine.

[0073] (3)The drive slider 61 contacts the inclined guide pillar 62, and the drive slider 61 starts to perform the reset movement.

[0074] (4)The drive slider 61 drives the drive disk 4 to perform the reset movement.

[0075] (5)The drive disk 4 drives the impeller blade forming assembly 2 to perform the reset movement through the second rotating shaft 5.

[0076] (6)When the rear template 12 completes the mold closing action, the inclined guide pillar 62 drives the drive slider 61 to complete the reset action.

[0077] (7)Meanwhile, the drive disk 4 drives the impeller blade forming assembly 2 to complete the reset action.

[0078] (8)The mold closing is completed.

[0079] As above, with reference to Figures 1 - 12 The novel impeller blade 8 demolding mechanism according to the embodiment of the present invention is described, realizing the injection production of products that require rotational demolding, reducing the limitations in product structure design, and reducing production costs, enabling the product to win a broader market and higher profits.

[0080] It should be noted that in this specification, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, the element defined by the statement "comprising..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0081] Although the content of the present utility model has been described in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the present utility model. After those skilled in the art have read the above content, various modifications and substitutions to the present utility model will be obvious. Therefore, the protection scope of the present utility model should be defined by the appended claims.

Claims

1. A new type of mold release mechanism for impeller blades, which is used in an impeller injection mold. The injection mold includes an inner cavity forming part and a rear mold core, and the inner cavity forming part is arranged on the rear mold core. It is characterized in that, Comprising: A number of impeller blade forming components, which are arranged in sequence along the circumferential direction of the inner cavity forming part. An internal cavity can be formed between the number of impeller blade forming components and the inner cavity forming part, and the internal cavity is used for the forming of impeller blades; A number of first rotating shafts, which are respectively and correspondingly connected to the number of impeller blade forming components. The impeller blade forming components can rotate around the corresponding first rotating shafts; the first rotating shafts are slidably connected to the rear mold core; A driving disk, which is sleeved on the inner cavity forming part, can rotate around the inner cavity forming part, and is located between the rear mold core and the impeller blade forming components; A number of driving grooves corresponding to the number of impeller blade forming components are arranged on the driving disk; A number of second rotating shafts, one end of which is respectively and correspondingly connected to the number of first rotating shafts, and the other end is movably arranged in the driving grooves; A driving mechanism, which is arranged on the rear mold core, and its output end is engaged with the driving disk through a gear and rack, and can drive the driving disk to rotate. The driving disk can drive the impeller blade forming components to rotate through the second rotating shafts.

2. The novel impeller blade demolding mechanism according to claim 1, wherein, It further comprises: a fixing disk, which is fixedly connected to the front mold core, and can be sleeved on the number of impeller blade forming components for fixing the number of impeller blade forming components.

3. The novel impeller blade demolding mechanism according to claim 2, characterized in that, A chamfer is arranged at the upper end of the impeller blade forming component.

4. The novel impeller blade demolding mechanism according to claim 1, wherein The driving mechanism comprises: A driving slider, which is slidably connected to the rear template and can slide in the rear template; the driving slider is engaged with the driving disk and can drive the driving disk to rotate; An inclined guide post, the upper end of which is slidably connected to the front template and cannot be separated from the front template, and the lower end is slidably connected to the driving slider and can drive the driving slider to move back and forth.

5. The novel impeller blade demolding mechanism according to claim 4, characterized in that, The driving slider is provided with a first inclined groove, and the inclined guide post is slidably connected to the driving slider through the first inclined groove.

6. The novel impeller blade demolding mechanism according to claim 4, characterized in that A first sliding groove is arranged on the rear template, and the driving slider is arranged in the first sliding groove.

7. The novel impeller blade demolding mechanism according to claim 4, characterized in that, A second sliding groove is arranged on the front template, the upper end of the inclined guide post is arranged in the second sliding groove, and a first limiting part is arranged at the upper end of the inclined guide post for preventing the inclined guide post from separating from the second sliding groove.

8. The novel impeller blade demolding mechanism according to claim 1, wherein, The impeller blade forming component comprises: a forming block and a driving block; A forming groove is arranged in the forming block; The driving block is arranged below the forming block, one end of which is hinged to the first rotating shaft, and the other end is connected to the second rotating shaft.

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