Tunnel internal thread pitched roof sliding block linkage device

Abstract

The utility model discloses a tunnel internal thread pitched roof sliding block linkage device which comprises a front mold, a rear mold, a middle mold, a middle mold, a middle mold and a sliding block, wherein a front mold core and a front mold shoveling machine are arranged at the bottom of the front mold; a rear mold; a die holder; the inner pulling sliding block is arranged in the mounting groove and a notch in the side face of the mold base in a sliding mode, the inner pulling sliding block and the front mold shoveling machine are connected in a sliding mode through an inclined guide structure, and the inner end of the inner pulling sliding block abuts against the inner side wall of the internal thread product; the inclined ejector pin penetrates through the rear mold and the mold base, the bottom of the inclined ejector pin is in driving connection with the rear mold through an ejector pin plate, and the top of the inclined ejector pin and the mold base are spliced and jointly abut against the inner wall of the internal thread product. The front mold core, the rear mold core, the inner pulling sliding block and the ejector pin mold core are spliced to shape the surface of a product and a thread structure, so that the forming quality is ensured; the inner pulling sliding block and the front mold slide in a linkage mode through the front mold shoveling machine, the inclined ejector pin is driven in a hinged mode through the ejector pin plate and is matched with the mold base for guiding, product ejection and inward-retracting demolding are conducted, and efficient and lossless demolding of an internal thread product is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a tunnel internal thread inclined top slider linkage device. Background Art

[0002] Internal thread products generally use a cylinder or motor to drive the mold core to rotate to achieve core pulling and demoulding. This structure has a high mold volume and cost, and the internal threads of the finished product are subject to greater wear. Utility Model Content

[0003] The purpose of the utility model is to provide a tunnel internal thread inclined top slider linkage device in order to solve the problem that the molds for common internal thread products generally use a cylinder or a motor to drive the mold core to rotate to achieve core pulling and demoulding. The mold volume and cost of this structure are high, and the internal thread of the finished product is greatly worn.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solution: a tunnel internal thread inclined top slider linkage device, comprising:

[0005] The front mold has a front mold core and a front mold shovel at the bottom;

[0006] The rear mold has an end surface provided with a mounting groove;

[0007] a mold base positioned in the mounting groove;

[0008] An inner pull-out slider is slidably arranged in the mounting groove and the notch on the side of the die base. The inner pull-out slider is slidably connected to the front die shovel through an oblique guide structure. The inner end of the inner pull-out slider abuts against the inner side wall of the internal thread product.

[0009] The inclined ejector pin is provided on the rear mold and the mold base, the bottom of which is connected to the rear mold by driving the ejector plate, and the top of which is assembled with the mold base and abuts against the inner wall of the internal thread product.

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

[0011] The oblique guide structure includes an oblique shovel block provided on the front mold shovel machine and a third oblique guide groove sleeved on the oblique shovel block.

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

[0013] A return spring is arranged between the installation groove and the outer side of the inner sliding block.

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

[0015] The inclined ejector pin is inserted into the first inclined guide groove of the rear mold and the second inclined guide groove of the mold base, and the cross-sectional dimensions of the first inclined guide groove and the second inclined guide groove are larger than the cross-sectional dimension of the middle portion of the inclined ejector pin.

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

[0017] The ejector mold core at the top of the inclined ejector is obliquely spliced ​​with the rear mold core on the mold base.

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

[0019] The bottom of the inclined ejector pin is hinged in the hinge groove of the ejector pin plate.

[0020] In summary, due to the adoption of the above technical solution, the present invention has the following advantages compared with the prior art:

[0021] Beneficial effects:

[0022] The utility model shapes the top of the internal thread product by the front die core, and shapes the interior and the thread structure by combining the rear die core of the die base, the inner withdrawal slider, and the ejector die core of the inclined ejector pin to ensure the molding quality; the inner withdrawal slider slides in conjunction with the front die through the front die shovel machine to perform inner withdrawal and demoulding, and the inclined ejector pin is driven by the ejector plate through the hinge connection, and cooperates with the die base guide to eject and retract the product for demoulding, thereby realizing efficient and lossless demoulding of the internal thread product. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 This is a disassembly diagram of a tunnel internal threaded inclined top slider linkage device.

[0025] Figure 2 A tunnel thread inclined top slider linkage device Figure 1 Cross-sectional view at section AA.

[0026] Figure 3 A tunnel thread inclined top slider linkage device Figure 1 Cross-sectional view at section BB.

[0027] Legend:

[0028] 1. Front mold; 11. Front mold core; 2. Front mold shovel; 21. Oblique shovel block; 3. Rear mold; 31. Mounting groove; 32. First oblique guide groove; 4. Mold base; 41. Notch; 42. Second oblique guide groove; 43. Rear mold core; 5. Inner slide; 51. Third oblique guide groove; 52. Return spring; 6. Oblique ejector; 61. Ejector mold core; 7. Ejector plate; 71. Hinge groove; 100. Internal thread product. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0031] See also Figure 1-3 The utility model provides a technical solution: a tunnel internal thread inclined top slider linkage device, comprising:

[0032] The front mold 1 has a front mold core 11 and a front mold shovel 2 at its bottom;

[0033] The rear mold 3 has a mounting groove 31 on its end surface;

[0034] The mold base 4 is positioned in the mounting groove 31;

[0035] The inner slide 5 is slidably disposed in the mounting groove 31 and the notch 41 on the side of the die base 4. The inner slide 5 is slidably connected to the front die shovel 2 via an oblique guide structure. The inner end of the inner slide 5 abuts against the inner side wall of the internal threaded product 100.

[0036] The inclined ejector pin 6 is installed on the rear mold 3 and the mold base 4. The bottom is connected to the rear mold 3 by the ejector plate 7, and the top is connected to the mold base 4 and abuts against the inner wall of the internally threaded product 100. The inner end of the inner-drawing slider 5 and the top of the inclined ejector pin 6 are both provided with a thread structure corresponding to the inner wall of the internally threaded product 100.

[0037] The oblique guide structure includes an oblique shovel block 21 provided on the front mold shovel machine 2 and a third oblique guide groove 51 sleeved on the oblique shovel block 21 .

[0038] A return spring 52 is provided between the mounting groove 31 and the outer side of the inner sliding block 5 .

[0039] The inclined ejector pin 6 is inserted into the first inclined guide groove 32 of the rear mold 3 and the second inclined guide groove 42 of the mold base 4 . The cross-sectional dimensions of the first inclined guide groove 32 and the second inclined guide groove 42 are larger than the cross-sectional dimensions of the middle portion of the inclined ejector pin 6 .

[0040] The ejector mold core 61 at the top of the inclined ejector 6 is obliquely spliced ​​with the rear mold core 43 on the mold base 4 .

[0041] The bottom of the inclined ejector pin 6 is hinged in the hinge groove 71 of the ejector pin plate 7 .

[0042] The working principle of a tunnel internal thread inclined ejector slider linkage device of this embodiment includes: when in use, an external driving cylinder or motor drives the front mold 1 to open the mold, and the front mold shovel machine 2 moves outward synchronously, and the inclined shovel block 21 pushes the inner pull-out slider 5 inward and moves it into the recess 41 through the wedge structure; the cylinder or motor drives the ejector plate 7 to move upward, so that the inclined ejector 6 moves upward along the inclined guide groove, and the inclined ejector 6 performs adaptive rotation on the ejector plate 7, so that the ejector mold core 61 ejects the internal thread product 100 and retracts it for demolding, thereby realizing efficient and damage-free demolding of the internal thread product 100.

[0043] In summary, due to the adoption of the above technical solution, the tunnel internal thread inclined top slider linkage device of this embodiment has the following beneficial effects compared with the prior art:

[0044] The utility model shapes the top of the internal thread product by the front die core, and shapes the interior and the thread structure by combining the rear die core of the die base, the inner withdrawal slider, and the ejector die core of the inclined ejector pin to ensure the molding quality; the inner withdrawal slider slides in conjunction with the front die through the front die shovel machine to perform inner withdrawal and demoulding, and the inclined ejector pin is driven by the ejector plate through the hinge connection, and cooperates with the die base guide to eject and retract the product for demoulding, thereby realizing efficient and lossless demoulding of the internal thread product.

[0045] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tunnel internal thread inclined top slider linkage device, characterized in that: include: The front mold has a front mold core and a front mold shovel at the bottom; The rear mold has an end surface provided with a mounting groove; a mold base positioned in the mounting groove; An inner pull-out slider is slidably arranged in the mounting groove and the notch on the side of the die base. The inner pull-out slider is slidably connected to the front die shovel through an oblique guide structure. The inner end of the inner pull-out slider abuts against the inner side wall of the internal thread product. The inclined ejector pin is provided on the rear mold and the mold base, the bottom of which is connected to the rear mold by driving the ejector plate, and the top of which is assembled with the mold base and abuts against the inner wall of the internal thread product.

2. A tunnel internal thread inclined top slider linkage device according to claim 1, characterized in that: The oblique guide structure includes an oblique shovel block provided on the front mold shovel machine and a third oblique guide groove sleeved on the oblique shovel block.

3. The tunnel internal thread inclined top slider linkage device according to claim 1, characterized in that: A return spring is arranged between the installation groove and the outer side of the inner sliding block.

4. The tunnel internal thread inclined top slider linkage device according to claim 1, characterized in that: The inclined ejector pin is inserted into the first inclined guide groove of the rear mold and the second inclined guide groove of the mold base, and the cross-sectional dimensions of the first inclined guide groove and the second inclined guide groove are larger than the cross-sectional dimension of the middle portion of the inclined ejector pin.

5. The tunnel internal thread inclined top slider linkage device according to claim 1, characterized in that: The ejector mold core at the top of the inclined ejector is obliquely spliced ​​with the rear mold core on the mold base.

6. The tunnel internal thread inclined top slider linkage device according to claim 1, characterized in that: The bottom of the inclined ejector pin is hinged in the hinge groove of the ejector pin plate.

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