Dovetail sliding block space layout optimization method

Abstract

The invention discloses a dovetail sliding block space layout optimization method which comprises the following steps: driving an upper mold to be separated from a product, demolding the top of the upper mold, driving a middle mold to be far away from a lower mold, and meanwhile, driving a dovetail sliding block to move towards the product by an inner plate; the inner plate upwards pushes the dovetail sliding block, so that the dovetail sliding block is guided by the guide seat and obliquely moves towards the axis of the guide seat; the groove of the dovetail sliding block is separated from the internal thread of the product, and bottom demolding of the product is achieved. According to the invention, the dovetail slide block is matched with the force transmission of the middle mold and the inner plate and the inner side guiding of the guide seat, so that the opening and closing movement is realized, and the lossless demolding of the mold core structure and a product with an internal thread is further realized, so that the space layout in the mold and the connection structure of the mold core and the product are optimized, and the production quality and efficiency are improved. And the guide seat and the dovetail sliding block are detachably assembled, so that processing and production of products with different sizes can be adapted.

Description

Technical Field

[0001] The invention relates to the technical field of molds, in particular to a method for optimizing the spatial layout of a dovetail slider. Background Art

[0002] Products with internal threads usually require axial movement and the cooperation of rotary drive equipment to achieve core pulling and demoulding. However, this places high demands on the real-time linkage control of the device, the overall device cost is high, and the wear of the threads on the product is still difficult to avoid. The processing operation and debugging of products with different overall sizes and internal thread sizes are also relatively complicated. Summary of the invention

[0003] The purpose of the present invention is to provide a method for optimizing the spatial layout of a dovetail slider in order to solve the problems that the common core-pulling demoulding methods and structures of products with internal threads have high requirements on the real-time linkage control of the device, the overall device cost is high, the wear of the threads on the product is still difficult to avoid, and the processing operation and debugging of products with different overall sizes and internal thread sizes are also relatively complicated.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a method for optimizing the spatial layout of a dovetail slider, a core structure for a mold for manufacturing a mold for an internal thread product, the core structure comprising a dovetail slider and a guide seat, a plurality of the dovetail sliders are slidably connected in the wedge-shaped guide groove of the guide seat, the dovetail slider is inserted into the middle mold and the inner plate, a groove is provided on the outer side of the top of the dovetail slider for screwing or clamping with the internal thread of the product, the inner plate abuts against the bottom surface of the product, the guide seat is positioned on the lower mold, and the upper mold core of the upper mold is correspondingly sleeved outside the dovetail slider, and the method for optimizing the spatial layout of the dovetail slider comprises the following steps:

[0005] S1, driving the upper mold to separate from the product, demoulding the top thereof, driving the middle mold to move away from the lower mold, and at the same time, the inner plate drives the dovetail slider to move toward the product;

[0006] S2, the inner plate pushes the dovetail slider upward, so that the dovetail slider is guided by the guide seat and moves obliquely toward the axis of the guide seat;

[0007] S3. The groove of the dovetail slider is disengaged from the internal thread of the product, thereby achieving bottom demoulding of the product.

[0008] As a further description of the above technical solution:

[0009] The wedge-shaped guide groove is a stepped guide groove, which is gradually inwardly distributed along the direction from the lower mold to the upper mold.

[0010] As a further description of the above technical solution:

[0011] The included angle between the wedge-shaped guide groove as a whole and the cross section of the guide seat is smaller than the included angle between the internal thread and the cross section of the product.

[0012] As a further description of the above technical solution:

[0013] A trapezoidal guide groove extends inward from the center of the wedge-shaped guide groove, the bottom width of the trapezoidal guide groove is greater than the width of its opening, and the trapezoidal convex rib on the inner side of the dovetail slider is slidably connected in the trapezoidal guide groove.

[0014] As a further description of the above technical solution:

[0015] The guide block outside the dovetail slider is slidably connected in the inner guide groove of the inner plate.

[0016] As a further description of the above technical solution:

[0017] The inner plate is embedded in the first mounting groove of the middle mold, the guide seat is inserted into the first sliding hole of the inner plate and the second sliding hole of the middle mold, and the inner guide groove is equidistantly arranged along the circumference of the first sliding hole and extends radially.

[0018] As a further description of the above technical solution:

[0019] The positioning block at the bottom of the guide seat is assembled in the second mounting groove of the lower mold.

[0020] As a further description of the above technical solution:

[0021] The lower die is provided with guide pins, and the guide pins are passed through the middle die and the upper die.

[0022] In summary, due to the adoption of the above technical solution, the present invention has the following beneficial effects compared with the prior art:

[0023] 1. Compared with the common thread structure and product demoulding method, the present invention realizes opening and closing activities through the dovetail slider in conjunction with the force transmission of the middle mold and the inner plate and the inner guide of the guide seat, thereby realizing lossless demoulding of the mold core structure and the product with internal threads, so that the space layout in the mold and the connection structure between the mold core and the product are optimized.

[0024] 2. The angle between the wedge-shaped guide groove as a whole and the cross section of the guide seat is smaller than the angle between the internal thread and the cross section of the product. The above design can avoid the lifting of the dovetail slider and the wear between it and the product when it moves inward synchronously, thereby ensuring product quality and improving the service life of the mold.

[0025] 3. The guide seat is detachably assembled on the lower die, so that the dovetail slider can be quickly replaced, realizing efficient processing and manufacturing of products with different overall sizes and internal thread sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 The present invention is a flowchart of the steps of a dovetail slider spatial layout optimization method.

[0028] Figure 2 This is a schematic diagram of the disassembled structure of the mold core structure, inner plate and middle mold corresponding to a dovetail slider spatial layout optimization method.

[0029] Figure 3 The figure is a structural schematic diagram of a dovetail slider corresponding to a dovetail slider spatial layout optimization method.

[0030] Figure 4 It is a structural schematic diagram of the core structure corresponding to a dovetail slider spatial layout optimization method.

[0031] Figure 5 A dovetail slider spatial layout optimization method corresponds to the use status of the connection structure between the core structure and the inner plate and the middle mold. Figure 1 .

[0032] Figure 6 A dovetail slider spatial layout optimization method corresponds to the use status of the connection structure between the core structure and the inner plate and the middle mold. Figure 2 .

[0033] Figure 7 The figure is a schematic diagram of the overall structure of the mold corresponding to a dovetail slider spatial layout optimization method.

[0034] Legend:

[0035] 1. Dovetail slider; 11. Trapezoidal rib; 12. Guide block; 13. Groove; 2. Guide seat; 21. Wedge-shaped guide groove; 22. Trapezoidal guide groove; 3. Inner plate; 31. First sliding hole; 32. Inner guide groove; 4. Middle die; 41. First mounting groove; 42. Second sliding hole; 5. Guide column; 6. Lower die; 61. Second mounting groove; 7. Upper die; 71. Upper die core; 8. Product. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] See also Figure 1-7 The present invention provides a technical solution: a method for optimizing the spatial layout of a dovetail slider, a core structure for a mold for manufacturing a mold for an internal thread product, the core structure comprising a dovetail slider 1 and a guide seat 2, a plurality of the dovetail sliders 1 are slidably connected in a wedge-shaped guide groove 21 of the guide seat 2, the dovetail slider 1 is inserted into a middle mold 4 and an inner plate 3, a groove 13 is provided on the outer side of the top of the dovetail slider 1 for screwing or clamping with the internal thread of the product 8, the inner plate 3 abuts against the bottom surface of the product 8, the guide seat 2 is positioned on the lower mold 6, and the upper mold core 71 of the upper mold 7 is correspondingly sleeved on the outside of the dovetail slider 1, and the method for optimizing the spatial layout of the dovetail slider comprises the following steps:

[0039] S1, driving the upper mold 7 to separate from the product 8, demoulding the top thereof, driving the middle mold 4 to move away from the lower mold 6, and at the same time, the inner plate 3 drives the dovetail slider 1 to move toward the product 8;

[0040] S2, the inner plate 3 pushes the dovetail slider 1 upward, so that the dovetail slider 1 is guided by the guide seat 2 and moves obliquely toward the axis of the guide seat 2;

[0041] S3. The groove 13 of the dovetail slider 1 is disengaged from the internal thread of the product 8, so that the bottom of the product 8 is demoulded.

[0042] The wedge-shaped guide groove 21 is a stepped guide groove, which is gradually retracted inwardly along the direction from the lower mold 6 to the upper mold 7 .

[0043] The angle between the wedge-shaped guide groove 21 as a whole and the cross section of the guide seat 2 is smaller than the angle between the internal thread and the cross section of the product 8 .

[0044] A trapezoidal guide groove 22 extends inward from the center of the wedge-shaped guide groove 21 . The bottom width of the trapezoidal guide groove 22 is greater than the width of its opening. The trapezoidal convex rib 11 on the inner side of the dovetail slider 1 is slidably connected in the trapezoidal guide groove 22 .

[0045] The guide block 12 on the outer side of the dovetail slider 1 is slidably connected in the inner guide groove 32 of the inner plate 3 .

[0046] The inner plate 3 is embedded in the first mounting groove 41 of the middle mold 4, the guide seat 2 is inserted into the first sliding hole 31 of the inner plate 3 and the second sliding hole 42 of the middle mold 4, and the inner guide groove 32 is equidistantly arranged along the circumference of the first sliding hole 31 and extends radially.

[0047] The positioning block at the bottom of the guide seat 2 is assembled in the second mounting groove 61 of the lower mold 6 .

[0048] The lower die 6 is provided with a guide post 5 , and the guide post 5 is passed through the middle die 4 and the upper die 7 .

[0049] The working principle of a dovetail slider space layout optimization method of this embodiment includes: when the mold is closed, specifically as follows Figure 5 As shown; the upper mold 7 is driven to separate from the product 8, so that the upper mold core 71 separates from the product 8, and the top of the product is demolded; the middle mold 4 is driven to move away from the lower mold 6, and at the same time, the inner plate 3 drives the dovetail slider 1 to move toward the product 8; the inner plate 3 pushes the dovetail slider 1 upward, and the dovetail slider 1 is guided by the wedge-shaped guide groove 21 and the trapezoidal guide groove 22 of the guide seat 2 and moves obliquely toward the axis of the guide seat 2 to move together, and at the same time, the guide block 12 slides synchronously in the inner guide groove 32 and continuously transmits the upward thrust to the dovetail slider 1; the groove 13 of the dovetail slider 1 separates from the internal thread of the product 8, so that the bottom of the product 8 is demolded, as shown in FIG. Figure 6 shown.

[0050] In summary, due to the adoption of the above technical solution, the dovetail slider spatial layout optimization method of this embodiment has the following beneficial effects compared with the prior art:

[0051] 1. Compared with the common thread structure and product demoulding method, the present invention realizes opening and closing activities through the dovetail slider in conjunction with the force transmission of the middle mold and the inner plate and the inner guide of the guide seat, thereby realizing lossless demoulding of the mold core structure and the product with internal threads, so that the space layout in the mold and the connection structure between the mold core and the product are optimized.

[0052] 2. The angle between the wedge-shaped guide groove as a whole and the cross section of the guide seat is smaller than the angle between the internal thread and the cross section of the product. The above design can avoid the lifting of the dovetail slider and the wear between it and the product when it moves inward synchronously, thereby ensuring product quality and improving the service life of the mold.

[0053] 3. The guide seat is detachably assembled on the lower die, so that the dovetail slider can be quickly replaced, realizing efficient processing and manufacturing of products with different overall sizes and internal thread sizes.

[0054] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dovetail slider space layout optimization method, used for the core structure of a mold for manufacturing internal thread products, the core structure includes a dovetail slider and a guide seat, characterized in that: A plurality of dovetail sliders are slidably connected in the wedge-shaped guide grooves of the guide seat, the dovetail sliders are inserted into the middle mold and the inner plate, a groove screwed or clamped with the internal thread of the product is arranged on the outer side of the top of the dovetail slider, the inner plate abuts against the bottom surface of the product, the guide seat is positioned on the lower mold, and the upper mold core of the upper mold is correspondingly sleeved outside the dovetail slider, and the dovetail slider space layout optimization method comprises the following steps: S1, driving the upper mold to separate from the product, demoulding the top thereof, driving the middle mold to move away from the lower mold, and at the same time, the inner plate drives the dovetail slider to move toward the product; S2, the inner plate pushes the dovetail slider upward, so that the dovetail slider is guided by the guide seat and moves obliquely toward the axis of the guide seat; S3. The groove of the dovetail slider is disengaged from the internal thread of the product, thereby achieving bottom demoulding of the product.

2. A dovetail slider spatial layout optimization method according to claim 1, characterized in that: The wedge-shaped guide groove is a stepped guide groove, which is gradually inwardly distributed along the direction from the lower mold to the upper mold.

3. The method for optimizing the spatial layout of a dovetail slider according to claim 1, characterized in that: The included angle between the wedge-shaped guide groove as a whole and the cross section of the guide seat is smaller than the included angle between the internal thread and the cross section of the product.

4. The method for optimizing the spatial layout of a dovetail slider according to claim 1, characterized in that: A trapezoidal guide groove extends inward from the center of the wedge-shaped guide groove, the bottom width of the trapezoidal guide groove is greater than the width of its opening, and the trapezoidal convex rib on the inner side of the dovetail slider is slidably connected in the trapezoidal guide groove.

5. The method for optimizing the spatial layout of a dovetail slider according to claim 1, characterized in that: The guide block outside the dovetail slider is slidably connected in the inner guide groove of the inner plate.

6. A dovetail slider spatial layout optimization method according to claim 5, characterized in that: The inner plate is embedded in the first mounting groove of the middle mold, the guide seat is inserted into the first sliding hole of the inner plate and the second sliding hole of the middle mold, and the inner guide groove is equidistantly arranged along the circumference of the first sliding hole and extends radially.

7. The method for optimizing the spatial layout of a dovetail slider according to claim 1, characterized in that: The positioning block at the bottom of the guide seat is assembled in the second mounting groove of the lower mold.

8. The method for optimizing the spatial layout of a dovetail slider according to claim 1, characterized in that: The lower die is provided with guide pins, and the guide pins are passed through the middle die and the upper die.

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