Turbine tooth back-off demolding mechanism

By designing a turbine tooth undercut demolding mechanism, and utilizing the cooperation of the transmission structure and ejector pins, the turbine tooth can be lifted and rotated for demolding, solving the problem of turbine tooth undercut surface damage in the existing technology and improving the yield of turbine teeth.

CN223904473UActive Publication Date: 2026-02-13SUZHOU ZHENGYUEXIN PRECISION ELECTROMECHANICAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520465691.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-13
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

Existing turbine tooth undercut demolding mechanisms are prone to damaging the undercut surface of the turbine teeth during use, leading to a decrease in yield.

Method used

A turbine tooth undercut demolding mechanism was designed, including a mold part and a demolding assembly that match the turbine tooth. Through the cooperation of a first rotating structure and a second rotating structure, the turbine tooth is lifted and rotated for demolding using a transmission structure and an ejector pin, thus avoiding damage to the undercut surface.

Benefits of technology

This improved the yield rate of turbine teeth and avoided damage to the undercut surface of the turbine teeth during demolding.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223904473U_ABST
    Figure CN223904473U_ABST
Patent Text Reader

Abstract

The utility model discloses a turbine tooth back-off demoulding mechanism, which relates to the technical field of turbine tooth back-off demoulding and comprises a mould part and a demoulding component for controlling the mould part to demould turbine teeth. The demolding assembly comprises a first rotating structure which is arranged on the outer side of the mold part in a sleeving mode and attached to the turbine teeth, and a second rotating structure which is in meshing transmission with the first rotating structure and can conduct jacking rotation. The demolding assembly further comprises a plurality of sets of ejector pins for controlling the mold pieces to be jacked and a transmission structure arranged on the lower side of the second rotating structure and used for controlling the second rotating structure to be jacked and rotated. The transmission structure and the ejector pin are matched to enable the transmission structure to control the second rotating structure to conduct jacking rotation and enable the ejector pin to synchronously control turbine teeth to conduct jacking, and the second rotating structure controls the first rotating structure to rotate at the same time, so that demolding can be conducted on the turbine teeth, damage to the turbine teeth during demolding is avoided, and the demolding efficiency is improved. And the yield of the turbine teeth is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to turbine tooth reverse buckle demolding technical field, specifically is turbine tooth reverse buckle demolding mechanism. BACKGROUND

[0002] Turbine tooth is one of the key components in turbine, and its main function is to convert the kinetic energy of fluid into mechanical energy, so as to drive the rotating part of turbine, and the turbine tooth is usually formed by injection molding through a mold during production, and needs to be demolded, therefore, the turbine tooth reverse buckle demolding mechanism needs to be used.

[0003] The existing turbine tooth reverse buckle demolding mechanism has certain disadvantages in use, and the existing turbine tooth reverse buckle demolding mechanism, when in use, since the outer wall of the turbine tooth has several groups of reverse buckle faces, and the reverse buckle faces need to be set as highlight faces, the turbine tooth reverse buckle demolding mechanism will cause damage to the reverse buckle faces of the turbine tooth when demolding the turbine tooth by jacking, thereby reducing the yield of the turbine tooth, and failing to meet the needs of people. INVENTION CONTENTS

[0004] The utility model aims at solving the technical problems existing in the prior art, and therefore proposes a turbine tooth reverse buckle demolding mechanism.

[0005] The turbine tooth reverse buckle demolding mechanism is applied to a turbine tooth and comprises a mold part matched with the turbine tooth and a demolding assembly for controlling the mold part to demold the turbine tooth.

[0006] As a further scheme of the utility model, the first rotating structure comprises a demolding ring part matched with the turbine tooth and a driven tooth ring arranged at the lower end of the demolding ring part.

[0007] As a further scheme of the utility model, the upper end face of the turbine tooth extends beyond the upper end face of the mold part, the upper end face of the demolding ring part is flush with the upper end face of the turbine tooth, and the demolding ring part and the driven tooth ring are coaxially arranged.

[0008] As a further scheme of the present utility model: the second rotating structure includes a rotating cylinder and a gear wheel installed on the top of the rotating cylinder; the gear wheel is aligned with and engaged with the driven gear ring, the rotating cylinder can be synchronously lifted and lowered with the demolding ring, and the rotating cylinder is controlled to rotate by the gear wheel and the driven gear ring.

[0009] As a further scheme of the present utility model: the transmission structure includes a transmission rod extending into the interior of the rotating cylinder and connected with the rotating cylinder, a first connecting rod arranged in the interior of the rotating cylinder and connected with the transmission rod, and two groups of second connecting rods for fixing the first connecting rod to the rotating cylinder; first connecting holes fixed with the first connecting rod and second connecting holes fixed with the second connecting rods are respectively formed in the rotating cylinder, and the transmission rod controls the rotating cylinder to be jacked up and rotated through the first connecting rod and the second connecting rod.

[0010] As a further scheme of the present utility model: a transmission groove for controlling the rotating cylinder to be jacked up and rotated through the first connecting rod is formed in the outer surface of the transmission rod; the upper part of the transmission groove is obliquely formed on the transmission rod, and the lower part of the transmission groove is vertically formed on the transmission rod; and the transmission rod controls the rotating cylinder to be jacked up and rotated through the transmission groove, the first connecting rod and the second connecting rod.

[0011] As a further scheme of the present utility model: the demolding ring and the driven gear ring can be rotated and lifted on the outer wall of the mold piece; a plurality of demolding holes for jacking up the turbine teeth by the ejector pins are formed in the mold piece, the turbine teeth are jacked up by the ejector pins, and the turbine teeth are rotated and demolded by the demolding ring.

[0012] As a further scheme of the present utility model: the outer wall of the turbine teeth is provided with a plurality of groups of reverse buckling structures; the reverse buckling structures are high-brightness surfaces.

[0013] Compared with the prior art, the present utility model has the following beneficial effects:

[0014] (1) The demolding assembly, the transmission structure and the ejector pins are arranged, the transmission structure can control the second rotating structure to be jacked up and rotated, the ejector pins can synchronously control the turbine teeth to be jacked up, the second rotating structure can control the first rotating structure to be rotated, the turbine teeth can be demolded, damage to the turbine teeth during demolding is avoided, and the yield of the turbine teeth is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole schematic view of the present utility model.

[0016] Figure 2 It is an exploded view of the demolding assembly in the present utility model.

[0017] Figure 3 It is an exploded bottom view of the demolding assembly in the present utility model.

[0018] Figure 4 It is partial structure diagram of first rotating structure and transmission structure in the utility model.

[0019] Figure 5 It is partial structure diagram of turbine tooth and demolding assembly in the utility model.

[0020] Figure 6 It is partial structure diagram of turbine tooth and die in the utility model.

[0021] In the drawing: 1, turbine tooth;2, die;3, first rotating structure;4, second rotating structure;5, thimble;6, demolding ring;7, driven tooth ring;8, connecting groove;9, rotating cylinder;10, gear;11, transmission rod;12, first connecting rod;13, second connecting rod;14, first connecting hole;15, second connecting hole;16, transmission groove;17, demolding hole;18, reverse buckle structure;19, transmission structure. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be described below in conjunction with embodiments, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Embodiment one

[0024] Please refer to Figure 1 - Figure 6 The application provides a turbine tooth reverse buckle demolding mechanism, comprising: being applied to turbine tooth 1, comprising: die 2 matched with turbine tooth 1 and demolding assembly controlling die 2 to demold turbine tooth 1;Wherein, the demolding assembly comprises first rotating structure 3 sleeved outside die 2 and matched with turbine tooth 1 and second rotating structure 4 engaged with first rotating structure 3 and can be lifted and rotated, first rotating structure 3;The demolding assembly further comprises a plurality of thimbles 5 controlling die 2 to be lifted and transmission structure 19 being arranged at the lower side of second rotating structure 4 and controlling second rotating structure 4 to be lifted and rotated, transmission structure 19 controls turbine tooth 1 to be demolded through second rotating structure 4 and first rotating structure 3, controls transmission structure 19 to be lifted, controls turbine tooth 1 to be lifted through thimble 5, so that transmission structure 19 controls second rotating structure 4 to be rotated while moving upward, second rotating structure 4 drives first rotating structure 3 to be rotated, thereby demolding turbine tooth 1.

[0025] The first rotating structure 3 comprises a stripper ring 6 matched with the turbine teeth 1 and a driven gear ring 7 arranged at the lower end of the stripper ring 6; the stripper ring 6 is provided with a connecting groove 8 connected with the turbine teeth 1; the driven gear ring 7 is engaged with the second rotating structure 4, and the driven gear ring 7 can drive the stripper ring 6 to rotate and lift, thereby demolding the turbine teeth 1.

[0026] The upper end surface of the turbine teeth 1 extends beyond the upper end surface of the mold piece 2; the upper end surface of the stripper ring 6 is flush with the upper end surface of the turbine teeth 1; the stripper ring 6 and the driven gear ring 7 are coaxially arranged.

[0027] The second rotating structure 4 comprises a rotating cylinder 9 and a gear 10 arranged at the top of the rotating cylinder 9; the gear 10 is aligned with and engaged with the driven gear ring 7, the rotating cylinder 9 can synchronously lift and lower with the stripper ring 6, the rotating cylinder 9 controls the driven gear ring 7 to rotate through the gear 10, when the rotating cylinder 9 rotates and lifts, the rotating cylinder 9 drives the gear 10 to rotate, the gear 10 drives the driven gear ring 7 to rotate, and the driven gear ring 7 drives the stripper ring 6 to rotate.

[0028] The transmission structure 19 comprises a transmission rod 11 extending into the interior of the rotating cylinder 9 and connected with the rotating cylinder 9, a first connecting rod 12 arranged in the interior of the rotating cylinder 9 and connected with the transmission rod 11, and two groups of second connecting rods 13 fixing the first connecting rod 12 to the rotating cylinder 9; the rotating cylinder 9 is respectively provided with a first connecting hole 14 fixed with the first connecting rod 12 and a second connecting hole 15 fixed with the second connecting rod 13, and the transmission rod 11 controls the rotating cylinder 9 to rotate and lift through the first connecting rod 12 and the second connecting rod 13.

[0029] The outer surface of the transmission rod 11 is provided with a transmission groove 16 for controlling the rotating cylinder 9 to rotate and lift through the first connecting rod 12; the upper part of the transmission groove 16 is obliquely arranged on the transmission rod 11, and the lower part of the transmission groove 16 is vertically arranged on the transmission rod 11; the transmission rod 11 controls the rotating cylinder 9 to rotate and lift through the transmission groove 16, the first connecting rod 12 and the second connecting rod 13; when the transmission rod 11 moves upward, the transmission groove 16 is connected with the first connecting rod 12 to control the first connecting rod 12 to move upward; when the first connecting rod 12 moves to the inclined part, the first connecting rod 12 moves along the transmission groove 16, and the first connecting rod 12 drives the rotating cylinder 9 to rotate and lift through the second connecting rod 13.

[0030] The stripper ring 6 and the driven gear ring 7 can rotate and lift on the outer wall of the mold piece 2, and the driven gear ring 7 is arranged in an integral structure with the stripper ring 6; the mold piece 2 is provided with a plurality of demolding holes 17 for the ejector pin 5 to lift the turbine teeth 1; the ejector pin 5 lifts the turbine teeth 1, and the stripper ring 6 rotates and demolds the turbine teeth 1.

[0031] The outer wall of the turbine tooth 1 is provided with a plurality of groups of reverse buckle structures 18; the reverse buckle structure 18 is a high bright surface.

[0032] In summary, when the turbine tooth 1 is produced, the control transmission rod 11 is moved upwards, so that the transmission groove 16 is connected with the first connecting rod 12 to control the first connecting rod 12 to move upwards, when the first connecting rod 12 moves to the inclined part, the first connecting rod 12 moves along the transmission groove 16, and the first connecting rod 12 drives the rotating cylinder 9 to rotate by the second connecting rod 13, the rotating cylinder 9 moves upwards, and the ejector pin 5 controls the turbine tooth 1 to be lifted, the rotating cylinder 9 drives the gear 10 to rotate, the gear 10 drives the driven gear ring 7 to rotate, the driven gear ring 7 drives the demolding ring 6 to rotate, and the demolding ring 6 demolds the turbine tooth 1.

[0033] The above embodiments are only used to illustrate the technical method of the utility model and not to limit, although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A turbine tooth reverse-docking demolding mechanism applied to a turbine tooth (1), characterized in that, The utility model relates to turbine tooth (1) and control mould piece (2) and the demoulding assembly of demoulding mould piece (2) turbine tooth (1) is matched with the demoulding assembly of turbine tooth (1) and control mould piece (2) is demoulded. Wherein, the demoulding assembly includes the first rotation structure (3) that sets outside mould piece (2) and is combined with turbine tooth (1) and the second rotation structure (4) that is engaged transmission with first rotation structure (3) and can carry out the rotation of jacking up, The demoulding assembly still includes several groups of control mould piece (2) jacking up the thimble (5) and the transmission structure (19) that sets in the second rotation structure (4) downside and controls the rotation of jacking up the second rotation structure (4). The first rotation structure (3) includes the demoulding ring piece (6) that is combined with turbine tooth (1) and the driven gear ring (7) that sets in the lower end of demoulding ring piece (6).

2. The turbine tooth undercut demolding mechanism of claim 1, wherein, The demoulding ring piece (6) is provided with the connecting groove (8) that is connected with turbine tooth (1). The driven gear ring (7) is engaged with the second rotation structure (4). The upper end surface of turbine tooth (1) extends the upper end surface of mould piece (2); 3. The turbine tooth undercut demolding mechanism of claim 2, wherein, The upper end surface of demoulding ring piece (6) is flush with the upper end surface of turbine tooth (1); The demoulding ring piece (6) and driven gear ring (7) are coaxially arranged. The second rotation structure (4) includes a rotating cylinder (9) and a gear (10) mounted on the top of the rotating cylinder (9).

4. The turbine tooth undercut demolding mechanism of claim 2, wherein, The gear (10) is aligned with and engaged with the driven gear ring (7). The transmission structure (19) includes a transmission rod (11) extending into the interior of the rotating cylinder (9) and connected with the rotating cylinder (9), a first connecting rod (12) arranged in the interior of the rotating cylinder (9) and connected with the transmission rod (11), and two groups of second connecting rods (13) fixing the first connecting rod (12) to the rotating cylinder (9).

5. The turbine tooth undercut demolding mechanism of claim 4, wherein, The rotating cylinder (9) is provided with a first connecting hole (14) fixed with the first connecting rod (12) and a second connecting hole (15) fixed with the second connecting rod (13), respectively. The outer surface of the transmission rod (11) is provided with a transmission groove (16) for controlling the jacking rotation of the rotating cylinder (9) through the first connecting rod (12).

6. The turbine tooth undercut demolding mechanism of claim 5, wherein, Wherein, the upper part of the transmission groove (16) is inclinedly arranged on the transmission rod (11), and the lower part of the transmission groove (16) is vertically arranged on the transmission rod (11). The demoulding ring piece (6) and the driven gear ring (7) can rotate and lift on the outer wall of the mould piece (2).

7. The turbine tooth undercut demolding mechanism of claim 4, wherein, The mould piece (2) is provided with a plurality of demoulding holes (17) for jacking up the turbine tooth (1) by the thimbles (5). The outer wall of the turbine tooth (1) is provided with a plurality of reverse buckle structures (18).

8. The turbine tooth undercut demolding mechanism of claim 1, wherein, The reverse buckle structure (18) is a highlight surface. ​