Guide wheel precoated sand molding mold
Through improved mold structure and hydraulic control, rapid cooling and demolding of the guide wheel coated sand molding mold were achieved, solving the problems of complex and time-consuming demolding and insufficient cooling, thus improving product qualification rate and production efficiency.
Patent Information
- Application Number
- CN202520514210.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-24
AI Technical Summary
The existing guide wheel coated sand molding mold has a complicated and time-consuming demolding process, which can easily damage the blank, reduce the product qualification rate, and lack a rapid cooling function, thus affecting production efficiency.
A mold structure including a support platform, a U-shaped connecting seat, a bottom mold, a top mold, a cooling chamber, a hydraulic cylinder, and a demolding device is designed. Rapid cooling and demolding are achieved through hydraulic control and cold air source in the cooling chamber. The separation and ejection of the blank from the mold are achieved by using a demolding ejector head device and a plug device.
It achieves rapid cooling and demolding, reduces damage to the preform, improves product qualification rate, and enhances production efficiency.
Smart Images

Figure CN223946758U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mould technical field, concretely relates to a guide wheel coated sand moulding mould. BACKGROUND
[0002] The guide wheel coated sand moulding mould is a specially designed tool, and the main role is to form a sand mould of the guide wheel by using coated sand, to obtain a guide wheel blank by pouring a metal liquid or other materials in the sand mould and cooling and solidifying, and to process the guide wheel blank into a final guide wheel product.
[0003] Through the search, the publication (announcement) number: CN204308142U, name: guide wheel mould, including hollow tetrahedron upper die, hollow tetrahedron lower die, mould, upper die, lower die and mould are matched, the upper die is installed on the upper surface and has the limiting effect of the long strip, the long strip divides the upper surface of the upper die into four parts, and so on, the guide wheel mould structure design is simple and reasonable, convenient operation, improves production efficiency.
[0004] In view of the above technical scheme, the following deficiencies exist:
[0005] In the above scheme, the demoulding process is complex and time-consuming, the adhesion between the inner wall of the mould and the guide wheel blank is large, the blank is directly pushed out by using the ejector rod, forcibly pushing out is easy to damage the blank, reduces the product qualified rate, causes unnecessary loss, and lacks the function of rapid cooling in the casting shaping, cannot rapidly cool the mould and the blank, and delays the production effect of the guide wheel. UTILITY MODEL CONTENTS
[0006] In view of the above problems existing in the prior art guide wheel coated sand moulding mould, the utility model is provided.
[0007] Therefore, the utility model aims at providing a guide wheel coated sand moulding mould, solving the problems that the demoulding process of the prior art guide wheel coated sand moulding mould is complex and time-consuming, the blank is easy to be damaged, the product qualified rate is reduced, unnecessary loss is caused, and the function of rapid cooling is lacked in the shaping process, and the mould and the blank cannot be rapidly cooled.
[0008] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:
[0009] A guide wheel coated sand moulding mould is provided, which comprises a support table, U-shaped connecting seats are fixedly connected to both ends of the cavity of the support table, a bottom die is fixedly connected between the side walls of the U-shaped connecting seats at both ends, positioning sliding rods are fixedly connected between the top of the U-shaped connecting seats at both ends and the side walls of the support table, top dies are slidingly connected to the rod walls of the positioning sliding rods at both ends, a cooling bin is fixedly connected to the top of the top die, the bottom of the cooling bin is fixedly connected to the top of the top die, and a feeding mechanism is arranged on the top of the top die.
[0010] The bottom of the bottom mold is provided with a plurality of lower demolding sockets, and each is slidably connected with a demolding head device; the cavity of the support table is fixedly connected with a first hydraulic cylinder at the top, the other end of the first hydraulic cylinder penetrates through the top of the support table and is fixedly connected with one end of the demolding head device; the top of the cooling bin is provided with a plurality of upper demolding sockets, and each is slidably connected with a demolding plug device; the top of the support table is fixedly connected with a second hydraulic cylinder; the top of the cooling bin is provided with a sealing piston port and is slidably connected with a sealing piston rod; one end of the second hydraulic cylinder penetrates through the sealing piston port and is fixedly connected with the top of the sealing piston rod; the bottom of the sealing piston rod is fixedly connected with one end of the demolding plug device.
[0011] Preferably, the feeding mechanism comprises a feeding bin and a connecting pipe, and the top of the top mold is fixedly connected with a feeding bin at both ends, and the sidewall of the feeding bin at both ends is fixedly connected with a connecting pipe.
[0012] Preferably, the demolding head device comprises a first support plate, a support rod and an inverted conical clamping block, the bottom of the first support plate is fixedly connected with one end of the first hydraulic cylinder, the top of the first support plate is fixedly connected with a plurality of support rods, one end of each of the support rods is fixedly connected with an inverted conical clamping block, and the inverted conical clamping block is clamped with the corresponding lower demolding socket.
[0013] Preferably, the demolding plug device comprises a second support plate and a cylindrical clamping block, the top of the second support plate is fixedly connected with one end of the second hydraulic cylinder, the bottom of the second support plate is fixedly connected with a plurality of cylindrical clamping blocks, and each of the cylindrical clamping blocks is clamped with the corresponding upper demolding socket.
[0014] Preferably, the sidewall of the cooling bin is fixedly connected with a cold air connecting pipe.
[0015] Further, the top surface of the bottom mold is provided with a sealing clamping groove, the bottom of the top mold is fixedly connected with a sealing clamping strip, and the sealing clamping strip is inserted into the sealing clamping groove.
[0016] Preferably, the surface of the inverted conical clamping block and the cylindrical clamping block is provided with a ceramic anti-sticking coating.
[0017] In the above technical solution, the technical effects and advantages of the utility model are provided:
[0018] 1. The utility model discloses, utilize the setting with a plurality of upper demolding chock sealing clamping demolding plug device, through the second hydraulic cylinder retraction drive sealing piston rod in sealing piston mouth upward sliding, the bottom demolding plug device follows the removal and separates with a plurality of upper demolding chock simultaneously, again through the cooling bin connection external cold air source, and the cold air source passes through the upper demolding chock and enters the mould, to the mould and the embryo in the cavity are carried out fast cooling, simultaneously through the wind power airflow and carry out even separation of embryo and mould, facilitate the subsequent ejection and discharge.
[0019] 2. The utility model discloses, utilize the setting with a plurality of lower demolding chock clamping demolding ejector device, through the first hydraulic cylinder's push down, thereby top out the embryo after separation in the bottom mould, facilitate the discharge work, realize fast demolding while convenient fast cooling.
[0020] 3. The utility model discloses, utilize the setting in the sealing clamping strip of top mould bottom, through with sealing clamping slot insertion, thereby realize to the bottom mould and top mould middle connecting place carry out sealing protection, utilize the setting ceramic anti -sticky coating, thereby avoid the inverted taper block and cylindrical block and logistics adhesion. DRAWINGS
[0021] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment, obviously, the drawings in the following description only some embodiments of the utility model are recorded, for the ordinary skilled in the art, still can obtain other drawings according to these drawings.
[0022] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0023] Figure 2 It is the first sectional view of the front structure of the utility model;
[0024] Figure 3 It is the second sectional view of the front structure of the utility model;
[0025] Figure 4 It is the three-dimensional schematic diagram of the bottom mould and top mould of the utility model;
[0026] Figure 5 It is the A part enlarged schematic diagram of the utility model; Figure 3
[0027] Mark explanation:
[0028] 1, support platform; 2, U-shaped connecting seat; 3, bottom die; 4, positioning slide rod; 5, top die; 6, cooling bin; 7, lower demolding socket; 8, demolding head device; 9, first hydraulic cylinder; 10, upper demolding socket; 11, demolding plug device; 12, second hydraulic cylinder; 13, sealing piston port; 14, sealing piston rod; 15, feed bin; 16, connecting pipe; 17, first support plate; 18, support rod; 19, inverted conical clamping block; 20, second support plate; 21, cylindrical clamping block; 22, cold air connecting pipe; 23, sealing clamping groove; 24, sealing clamping strip. DETAILED DESCRIPTION
[0029] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.
[0030] The utility model discloses a guide wheel film-coated sand molding mold.
[0031] Embodiment 1
[0032] The utility model provides a kind of guide wheel film-coated sand molding mold as Figures 1-5 As shown in the drawing, including support platform 1, the cavity of support platform 1 two ends is fixedly connected with U-shaped connecting seat 2, the sidewall between two ends U-shaped connecting seat 2 is fixedly connected with bottom die 3, the sidewall between the top of two ends U-shaped connecting seat 2 and support platform 1 is fixedly connected with positioning slide rod 4, the rod wall of two ends positioning slide rod 4 is slidably connected with top die 5, the top of top die 5 is fixedly connected with cooling bin 6, the bottom of cooling bin 6 and the top of top die 5 are fixedly connected, and the top of top die 5 is equipped with feeding mechanism;
[0033] The bottom of the bottom mold 3 has multiple lower demolding slots 7, each slidably connected to a demolding ejector device 8. A first hydraulic cylinder 9 is fixedly connected to the top of the cavity of the support platform 1. The other end of the first hydraulic cylinder 9 passes through the top of the support platform 1 and is fixedly connected to one end of the demolding ejector device 8. The top of the cooling chamber 6 has multiple upper demolding slots 10, each slidably connected to a demolding plug device 11. A second hydraulic cylinder 12 is fixedly connected to the top of the support platform 1. The top of the cooling chamber 6 has a sealing piston port 13, slidably connected to a sealing piston rod 14. One end of the second hydraulic cylinder 12 passes through the sealing piston port 13 and is fixedly connected to the top of the sealing piston rod 14. The bottom of the sealing piston rod 14 is fixedly connected to one end of the demolding plug device 11. Using the demolding plug device 11, which is sealed and engaged with the multiple upper demolding slots 10, the second hydraulic cylinder 12 retracts, driving the sealing piston rod 14. The mold slides upward in the sealed piston port 13, while the bottom demolding plug device 11 moves and separates from the multiple upper demolding slots 10. Then, it is connected to the external cold air source through the cooling chamber 6. The cold air source enters the mold through the upper demolding slots 10 to quickly cool the mold and the blank in the cavity. At the same time, the airflow evenly separates the blank from the mold, which is convenient for subsequent ejection and unloading. Using the demolding ejector device 8 that is set to engage with the multiple lower demolding slots 7, the separated blank is pushed out of the bottom mold 3 by the first hydraulic cylinder 9, which is convenient for unloading. It can achieve rapid demolding while facilitating rapid cooling, thus solving the problems of the existing guide wheel coated sand molding mold having a complicated and time-consuming demolding process, which can easily damage the blank, reduce the product qualification rate and cause unnecessary losses. In addition, it lacks a rapid cooling function during the shaping process and cannot quickly cool the mold and blank.
[0034] Example 2
[0035] To facilitate the injection of raw materials into the mold, such as Figures 1-3 As shown, the feeding mechanism includes a feeding bin 15 and a connecting pipe 16. The top two ends of the top mold 5 are fixedly connected to the feeding bin 15, and the side walls of the feeding bins 15 at both ends are fixedly connected to the connecting pipe 16. By using the feeding bins 15 and connecting pipe 16 at both ends, it is convenient to inject raw materials into the mold through the feeding bins 15 and connecting pipe 16 at both ends.
[0036] Example 3
[0037] To facilitate material feeding after separation, such as... Figures 1-3As shown in the drawings, the demolding head device 8 comprises a first support plate 17, a support rod 18 and an inverted tapered block 19, the bottom of the first support plate 17 is fixedly connected with one end of the first hydraulic cylinder 9, the top of the first support plate 17 is fixedly connected with a plurality of support rods 18, one end of each support rod 18 is fixedly connected with an inverted tapered block 19, the inverted tapered block 19 is clamped with the corresponding lower demolding socket 7, the inverted tapered block 19 provided at one end of each support rod 18 is used to clamp and seal with the corresponding lower demolding socket 7, and the blank can be easily pushed out after being separated and stretched and retracted.
[0038] Embodiment 4
[0039] In order to facilitate clamping and sealing with the corresponding upper demolding socket 10, as shown in the drawings, Figure 3 and 5 As shown in the drawings, the demolding plug device 11 comprises a second support plate 20 and a cylindrical block 21, the top of the second support plate 20 is fixedly connected with one end of the second hydraulic cylinder 12, the bottom of the second support plate 20 is fixedly connected with a plurality of cylindrical blocks 21, each cylindrical block 21 is clamped with the corresponding upper demolding socket 10, and the plurality of cylindrical blocks 21 provided at the bottom of the second support plate 20 are used to facilitate clamping and sealing with the corresponding upper demolding socket 10.
[0040] Embodiment 5
[0041] In order to seal and facilitate use, as shown in the drawings, Figures 1-5 The side wall of the cooling bin 6 is fixedly connected with a cold air connecting pipe 22, the top surface of the bottom mold 3 is provided with a sealing clamping groove 23, the bottom of the top mold 5 is fixedly connected with a sealing clamping strip 24, the sealing clamping strip 24 is inserted with the sealing clamping groove 23, the surface of the inverted tapered block 19 and the cylindrical block 21 is provided with a ceramic anti-sticking coating, the cold air connecting pipe 22 is used to facilitate connection with an external cold air source, the sealing clamping strip 24 is inserted with the sealing clamping groove 23 to seal and protect the connection between the bottom mold 3 and the top mold 5, and the ceramic anti-sticking coating is used to avoid the inverted tapered block 19 and the cylindrical block 21 from being adhered to the logistics.
[0042] Use method:
[0043] In use, the bottom die 3 and the top die 5 are combined, the molten raw material is injected into the mold through the feeding mechanism at both ends, the cold air connecting pipe 22 is connected to the cold air source, the sealing piston rod 14 is driven to slide upward in the sealing piston port 13 through the contraction of the second hydraulic cylinder 12, the bottom demolding plug device 11 is separated from the plurality of upper demolding sockets 10, the cold air source enters the mold through the upper demolding sockets 10, the mold and the shaped embryo in the cavity are rapidly cooled, the embryo and the mold are uniformly separated through the air flow, and then the separated embryo is pushed out of the bottom die 3 through the pushing of the first hydraulic cylinder 9, so as to facilitate the discharging work, and the rapid cooling and rapid demolding are realized at the same time.
[0044] The above only describes some exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled in the art, under the condition that the spirit and scope of the utility model are not deviated, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.
Claims
1. A guided wheel coated sand molding mold comprising a support table (1), characterized in that, Both ends of the cavity of the support table (1) are fixedly connected with U-shaped connecting seats (2), the side walls of the U-shaped connecting seats (2) at both ends are fixedly connected with bottom dies (3), the top of the U-shaped connecting seat (2) at both ends and the side wall of the support table (1) are fixedly connected with positioning slide rods (4), the rod walls of the positioning slide rods (4) at both ends are slidably connected with top dies (5), the top of the top die (5) is fixedly connected with a cooling bin (6), the bottom of the cooling bin (6) is fixedly connected with the top of the top die (5), and the top of the top die (5) is provided with a feeding mechanism. A plurality of lower demolding sockets (7) are formed in the bottom of the bottom die (3) and are slidably connected with demolding head devices (8), the top of the cavity of the support table (1) is fixedly connected with a first hydraulic cylinder (9), the other end of the first hydraulic cylinder (9) penetrates through the top of the support table (1) and is fixedly connected with one end of the demolding head device (8), a plurality of upper demolding sockets (10) are formed in the top of the cooling bin (6) and are slidably connected with demolding plug devices (11), the top of the support table (1) is fixedly connected with a second hydraulic cylinder (12), the top of the cooling bin (6) is provided with a sealing piston opening (13) and is slidably connected with a sealing piston rod (14), one end of the second hydraulic cylinder (12) penetrates through the sealing piston opening (13) and is fixedly connected with the top of the sealing piston rod (14), and the bottom of the sealing piston rod (14) is fixedly connected with one end of the demolding plug device (11).
2. A guided wheel coated sand molding mold according to claim 1, wherein, The feeding mechanism comprises feeding bins (15) and connecting pipe openings (16), and the top of the top die (5) is fixedly connected with feeding bins (15) at both ends, and the side walls of the feeding bins (15) at both ends are fixedly connected with connecting pipe openings (16).
3. The guided-wheel coated sand molding mold of claim 1, wherein, The demolding head device (8) comprises a first support plate (17), support rods (18) and inverted conical clamping blocks (19), the bottom of the first support plate (17) is fixedly connected with one end of the first hydraulic cylinder (9), the top of the first support plate (17) is fixedly connected with a plurality of support rods (18), one end of each of the support rods (18) is fixedly connected with an inverted conical clamping block (19), and the inverted conical clamping block (19) is clamped with the corresponding lower demolding socket (7).
4. The guided-wheel coated sand molding mold of claim 1, wherein, The demolding plug device (11) comprises a second support plate (20) and a cylindrical clamping block (21), the top of the second support plate (20) is fixedly connected with one end of the second hydraulic cylinder (12), the bottom of the second support plate (20) is fixedly connected with a plurality of cylindrical clamping blocks (21), and each of the cylindrical clamping blocks (21) is clamped with the corresponding upper demolding socket (10).
5. The guided-wheel coated sand molding mold of claim 1, wherein, The side wall of the cooling bin (6) is fixedly connected with a cold air connecting pipe (22).
6. The guided-wheel coated sand molding mold of claim 1, wherein, The top surface of the bottom die (3) is provided with a sealing clamping groove (23), the bottom of the top die (5) is fixedly connected with a sealing clamping strip (24), and the sealing clamping strip (24) is inserted into the sealing clamping groove (23).
7. The guided-wheel coated sand molding mold of claim 3, wherein, The surfaces of the inverted conical clamping blocks (19) and the cylindrical clamping blocks (21) are provided with ceramic anti-sticking coating.
Citation Information
Patent Citations
Guide wheel mould
CN204308142U