Investment casting sand shell drying device
By using the design of the outer shell and rotary rod system in the investment cast sand shell drying device, the heat sealing in the sand shell exchange process is achieved, the problem of heat loss in the existing equipment is solved, and the energy utilization efficiency is improved.
Patent Information
- Application Number
- CN202420649976.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The existing investment cast sand shell drying device causes heat loss due to heat exchange during the sand shell exchange process, resulting in waste of resources.
A device including a drying box, an outer shell and a drying rack is designed to achieve sealing of the drying box through the inner pushing and rotating rod system of the outer shell to reduce heat loss.
It effectively reduces heat exchange between the drying box and the external air, saves energy, and improves resource utilization.
Smart Images
Figure CN222133378U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of investment casting drying, and more specifically, particularly relates to an investment casting sand shell drying device. Background Art
[0002] In investment casting, paraffin wax is generally used for the investment mold. After the sand shell is hung outside the wax mold, the sand shell needs to be dried by a drying device and then placed in a hardening tank for hardening. When the existing similar investment casting sand shell drying device is in use, during the process of replacing the sand shell after the investment casting sand shell is dried, the drying box is prone to heat exchange with the external air, resulting in heat loss, causing a waste of resources. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides an investment casting sand shell drying device to solve the problem that in the process of replacing the sand shell after drying the investment casting sand shell, the drying box and the external air are easily exchanged to cause heat loss and waste of resources.
[0004] The utility model investment casting sand shell drying device is achieved by the following specific technical means:
[0005] An investment casting sand shell drying device comprises a drying box, an outer shell and a drying rack;
[0006] A group of outer shells are slidably installed on the outer end of the drying box, a group of drying racks are fixedly installed in the outer shell, a heater is fixedly installed on the rear end of the drying box, a heating tube is fixedly installed on the inner rear end of the drying box, a circulating fan is also installed on the inner top of the drying box, a group of outer sealing plates are slidably installed on the outer side of the outer shell, a group of inner sealing plates are also slidably installed on the outer shell, a group of first rotating rods and second rotating rods are rotatably installed on the top of the outer shell, the inner end of the outer sealing plate is transmission-connected to the first rotating rod, the outer end of the inner sealing plate is transmission-connected to the second rotating rod, a group of motors are fixedly installed on the top of the outer shell, and the second rotating rod is fixedly installed on the outer end of the transmission shaft of the motor.
[0007] In at least some embodiments, a group of synchronous wheels are fixedly mounted on the first rotating rod and the second rotating rod respectively, and the synchronous wheels on the first rotating rod and the second rotating rod are connected through a synchronous belt transmission.
[0008] In at least some embodiments, a group of first connecting grooves are respectively opened at the two ends of the front side of the outer shell, a group of limit blocks are respectively fixedly installed at the two ends of the inner side of the outer sealing plate, and the limit blocks at the two ends of the inner side of the outer sealing plate are respectively slidably installed on the first connecting grooves at the two ends of the front side of the outer shell.
[0009] In at least some embodiments, a group of first racks are fixedly mounted on the inner side of the outer sealing plate, a group of first gears are fixedly mounted on the first rotating rod, and the first gears on the first rotating rod are meshed and transmission-connected with the first racks on the inner side of the outer sealing plate.
[0010] In at least some embodiments, two sets of second connecting grooves are opened on the top of the outer shell, and a set of sliding blocks are fixedly connected to both ends of the inner sealing plate, and the sliding blocks at both ends of the inner sealing plate are slidably installed on the second connecting grooves opened on the top of the outer shell.
[0011] In at least some embodiments, a group of second racks are fixedly mounted on the outer end of the inner sealing plate, a group of second gears are fixedly mounted on the second rotating rod, and the second gears on the second rotating rod are meshed and transmission-connected with the second racks on the outer end of the inner sealing plate.
[0012] In at least some embodiments, a group of guide grooves are respectively opened on the two inner sides of the outer shell, a group of guide blocks are respectively fixedly installed on the two outer ends of the drying box, and the guide grooves on the two inner sides of the outer shell are respectively slidably installed on the guide blocks on the two outer ends of the drying box.
[0013] Compared with the prior art, the investment casting sand shell drying device of the utility model has the following beneficial effects:
[0014] 1. The setting of the outer shell is conducive to placing the investment casting sand shell on the drying rack. When the device dries the investment casting sand shell through the drying box, the outer shell is pushed inward to place the drying rack on the outer shell inside the drying box, thereby reducing the occupied area of the device during operation and having better adjustability.
[0015] 2. The arrangement of the inner sealing plate and the outer sealing plate is conducive to pulling the outer shell outward after the device has completed the drying process of the investment casting sand shell. The synchronous wheels on the first rotating rod and the second rotating rod are connected through a synchronous belt transmission. The second gear on the second rotating rod is meshed and transmitted with the second rack at the outer end of the inner sealing plate. The first gear on the first rotating rod is meshed and transmitted with the first rack on the inner side of the outer sealing plate. The motor drives the second rotating rod to rotate, so that the inner sealing plate moves downward to seal the drying box, and the outer sealing plate slides upward at the same time to facilitate the exchange of the investment casting sand shell on the drying rack, effectively reducing the heat exchange between the drying box and the outside air during the exchange of the investment casting sand shell after drying, reducing heat loss, and facilitating the drying process of the next batch of investment casting sand shells, which is energy-saving and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a front axial view schematic diagram of the utility model.
[0017] Figure 2 It is a rear side shaft view schematic diagram of the utility model.
[0018] Figure 3 It is a schematic diagram of the utility model when it is used for drying.
[0019] Figure 4 It is a schematic diagram of disassembly and assembly of an outer sealing plate and an inner sealing plate of the utility model.
[0020] Figure 5 It is an internal schematic diagram of the drying box of the utility model.
[0021] Figure 6 It is a schematic diagram of the installation of the second rotating rod of the utility model.
[0022] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:
[0023] 1. Drying box; 101. Heater; 1011. Heating tube; 102. Guide block; 103. Circulation fan; 2. Outer shell; 201. Guide groove; 202. Outer sealing plate; 2021. First rack; 2022. Limit block; 203. Inner sealing plate; 2031. Second rack; 2032. Sliding block; 204. First connecting groove; 205. Second connecting groove; 206. First rotating rod; 2061. First gear; 207. Second rotating rod; 2071. Second gear; 2072. Synchronous belt; 208. Motor; 3. Drying rack. DETAILED DESCRIPTION
[0024] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.
[0025] As attached Figure 1 To Attachment Figure 6 As shown:
[0026] Embodiment 1: The utility model provides an investment casting sand shell drying device, comprising a drying box 1, an outer shell 2 and a drying rack 3;
[0027] A group of outer shells 2 are slidably installed on the outer end of the drying box 1, a group of drying racks 3 are fixedly installed in the outer shell 2, a heater 101 is fixedly installed at the rear end of the drying box 1, a heating tube 1011 is fixedly installed at the inner rear end of the drying box 1, and a circulating fan 103 is also installed on the top of the inner part of the drying box 1. A group of outer sealing plates 202 are slidably installed on the outer side of the outer shell 2, and a group of inner sealing plates 203 are also slidably installed on the outer shell 2. A group of first rotating rods 206 and second rotating rods 207 are rotatably installed on the top of the outer shell 2, the inner end of the outer sealing plate 202 is transmission-connected to the first rotating rod 206, and the outer end of the inner sealing plate 203 is transmission-connected to the second rotating rod 207, a group of motors 208 are fixedly installed on the top of the outer shell 2, and the second rotating rod 207 is fixedly installed on the outer end of the transmission shaft of the motor 208.
[0028] like Figure 2As shown, a group of guide grooves 201 are respectively opened on the two inner sides of the outer shell 2, and a group of guide blocks 102 are respectively fixedly installed on the two outer ends of the drying box 1, and the guide grooves 201 on the two inner sides of the outer shell 2 are respectively slidably installed on the guide blocks 102 on the two outer ends of the drying box 1; specifically, the investment casting sand shell is placed on the drying rack 3, and the guide grooves 201 on the two inner sides of the outer shell 2 are respectively slidably installed on the guide blocks 102 on the two outer ends of the drying box 1. When the device dries the investment casting sand shell through the drying box 1, the outer shell 2 is pushed inward, so that the drying rack 3 on the outer shell 2 is placed inside the drying box 1, thereby reducing the occupied area of the device during operation, and the device has better adjustability.
[0029] Embodiment 2: Based on Embodiment 1, Figures 2 to 6As shown, a group of first connecting grooves 204 are respectively opened at the two ends of the front side of the outer shell 2, a group of limit blocks 2022 are respectively fixedly installed at the two ends of the inner side of the outer sealing plate 202, and the limit blocks 2022 at the two ends of the inner side of the outer sealing plate 202 are respectively slidably installed on the first connecting grooves 204 at the two ends of the front side of the outer shell 2, and two groups of second connecting grooves 205 are opened at the top of the outer shell 2, and a group of sliding blocks 2032 are respectively fixedly connected at the two ends of the inner sealing plate 203, and the sliding blocks 2032 at the two ends of the inner sealing plate 203 are respectively slidably installed on the second connecting grooves 205 opened at the top of the outer shell 2, and the inner side of the outer sealing plate 202 is fixedly installed with a A group of first racks 2021, a group of first gears 2061 are fixedly mounted on the first rotating rod 206, and the first gears 2061 on the first rotating rod 206 are meshed and transmission-connected with the first rack 2021 on the inner side of the outer sealing plate 202, a group of second racks 2031 are fixedly mounted on the outer end of the inner sealing plate 203, a group of second gears 2071 are fixedly mounted on the second rotating rod 207, and the second gears 2071 on the second rotating rod 207 are meshed and transmission-connected with the second rack 2031 on the outer end of the inner sealing plate 203, a group of synchronous wheels are fixedly mounted on the first rotating rod 206 and the second rotating rod 207, respectively, and the first rotating rod 2 06 and the synchronous wheels on the second rotating rod 207 are connected by a synchronous belt 2072; specifically, the sliding blocks 2032 at both ends of the inner sealing plate 203 are respectively slidably installed on the second connecting groove 205 opened on the top of the outer shell 2, and the limit blocks 2022 at both ends of the inner side of the outer sealing plate 202 are respectively slidably installed on the first connecting grooves 204 at both ends of the front side of the outer shell 2. When the device completes the drying process of the investment casting sand shell, the outer shell 2 is pulled outward, and the synchronous wheels on the first rotating rod 206 and the second rotating rod 207 are connected by a synchronous belt 2072. The second gear 2071 on the second rotating rod 207 is connected to the inner sealing plate 20 The second rack 2031 at the outer end of the drying rack 3 is meshed and connected with the first rack 2031 at the outer end, the first gear 2061 on the first rotating rod 206 is meshed and connected with the first rack 2021 on the inner side of the outer sealing plate 202, and the motor 208 drives the second rotating rod 207 to rotate, so that the inner sealing plate 203 moves downward to seal the drying box 1, and the outer sealing plate 202 slides upward to facilitate the replacement of the investment casting sand shell on the drying rack 3, effectively reducing the heat exchange between the drying box 1 and the external air during the replacement of the investment casting sand shell after drying, reducing the heat loss, so as to facilitate the drying of the next batch of investment casting sand shells, saving energy and protecting the environment.
[0030] The specific usage and function of this embodiment are as follows:
[0031] When the utility model is in use, the investment casting sand shell is placed on the drying rack 3, and the guide grooves 201 on the two inner sides of the outer shell 2 are respectively slidably installed on the guide blocks 102 at the two outer ends of the drying box 1. When the device dries the investment casting sand shell through the drying box 1, the outer shell 2 is pushed inward, so that the drying rack 3 on the outer shell 2 is placed inside the drying box 1, so that the occupied area of the device during operation is reduced, and the device has better adjustability; the sliding blocks 2032 at both ends of the inner sealing plate 203 are respectively slidably installed on the second connecting groove 205 opened on the top of the outer shell 2, and the limiting blocks 2022 at both ends of the inner side of the outer sealing plate 202 are respectively slidably installed on the first connecting grooves 204 at both ends of the front side of the outer shell 2. When the device completes the drying of the investment casting sand shell, the outer shell 2 is pulled outward, and the first The synchronous wheels on the rotating rod 206 and the second rotating rod 207 are connected through a synchronous belt 2072, the second gear 2071 on the second rotating rod 207 is meshed and connected with the second rack 2031 at the outer end of the inner sealing plate 203, the first gear 2061 on the first rotating rod 206 is meshed and connected with the first rack 2021 on the inner side of the outer sealing plate 202, the motor 208 drives the second rotating rod 207 to rotate, so that the inner sealing plate 203 moves downward to seal the drying box 1, and the outer sealing plate 202 slides upward to facilitate the replacement of the investment casting sand shell on the drying rack 3, effectively reducing the heat exchange between the drying box 1 and the outside air during the replacement process of the investment casting sand shell after drying, reducing heat loss, so as to facilitate the drying process of the next batch of investment casting sand shells, saving energy and protecting the environment.
[0032] In this article, there are a few points to note:
[0033] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.
[0034] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.
[0035] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. An investment casting sand shell drying device, comprising a drying box (1), an outer shell (2) and a drying rack (3); A set of outer shells (2) are slidably mounted on the outer end of the drying box (1), and are characterized in that: A group of drying racks (3) are fixedly installed in the outer shell (2), a heater (101) is fixedly installed at the rear end of the drying box (1), a heating tube (1011) is fixedly installed inside the rear end of the drying box (1), a circulating fan (103) is also installed at the top of the drying box (1), a group of outer sealing plates (202) are slidably installed on the outer side of the outer shell (2), a group of inner sealing plates (203) are also slidably installed on the outer shell (2), a group of first rotating rods (206) and second rotating rods (207) are rotatably installed on the top of the outer shell (2), the inner end of the outer sealing plate (202) is transmission-connected to the first rotating rod (206), the outer end of the inner sealing plate (203) is transmission-connected to the second rotating rod (207), a group of motors (208) are fixedly installed on the top of the outer shell (2), and the second rotating rod (207) is fixedly installed on the outer end of the transmission shaft of the motor (208).
2. The investment casting sand shell drying device according to claim 1, characterized in that: A group of guide grooves (201) are respectively provided on the two inner sides of the outer shell (2), a group of guide blocks (102) are respectively fixedly installed on the two outer ends of the drying box (1), and the guide grooves (201) on the two inner sides of the outer shell (2) are respectively slidably installed on the guide blocks (102) on the two outer ends of the drying box (1).
3. The investment casting sand shell drying device according to claim 1, characterized in that: A group of first connection grooves (204) are respectively provided at the two ends of the front side of the outer shell (2), and a group of limit blocks (2022) are respectively fixedly installed at the two ends of the inner side of the outer sealing plate (202), and the limit blocks (2022) at the two ends of the inner side of the outer sealing plate (202) are respectively slidably installed on the first connection grooves (204) at the two ends of the front side of the outer shell (2).
4. The investment casting sand shell drying device according to claim 1, characterized in that: Two groups of second connection grooves (205) are provided on the top of the outer shell (2), and a group of sliding blocks (2032) are fixedly connected to the two ends of the inner sealing plate (203), and the sliding blocks (2032) at the two ends of the inner sealing plate (203) are slidably mounted on the second connection grooves (205) provided on the top of the outer shell (2).
5. The investment casting sand shell drying device according to claim 1, characterized in that: A group of first racks (2021) are fixedly mounted on the inner side of the outer sealing plate (202), a group of first gears (2061) are fixedly mounted on the first rotating rod (206), and the first gears (2061) on the first rotating rod (206) are meshed and transmission-connected with the first racks (2021) on the inner side of the outer sealing plate (202).
6. The investment casting sand shell drying device according to claim 1, characterized in that: A group of second racks (2031) are fixedly mounted on the outer end of the inner sealing plate (203), a group of second gears (2071) are fixedly mounted on the second rotating rod (207), and the second gears (2071) on the second rotating rod (207) are meshed and transmission-connected with the second racks (2031) at the outer end of the inner sealing plate (203).
7. The investment casting sand shell drying device according to claim 1, characterized in that: A set of synchronous wheels is fixedly mounted on the first rotating rod (206) and the second rotating rod (207), respectively, and the synchronous wheels on the first rotating rod (206) and the second rotating rod (207) are connected in transmission via a synchronous belt (2072).