High-rigidity support casting sand mold light-weight positioning clamp

CN224750107UActive Publication Date: 2026-09-15HENAN GUANGRUI AUTO PARTS
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Patent Information

Application Number
CN202522225284.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-21
Publication Date
2026-09-15
Estimated Expiration
2035-10-21

AI Technical Summary

Benefits of technology

1、本实用新型通过在底板和顶架的四周设置第一支杆、第二支杆,能够对铸件砂型的四周进行卡紧固定,实现了对铸造砂型快速、准确的定位和固定,相比传统厚重金属结构的夹具,搬运和安装更加便捷,降低了设备能耗与操作成本,提高了生产效率。

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Abstract

The utility model discloses a high rigidity support casting sand type light weight positioning fixture, including support board and square steel pipe, be provided with square steel pipe at the bottom interval of support board, be provided with bottom plate at the top of support board, be provided with first support in the both sides of bottom plate, be provided with top frame above bottom plate, and the upper end of first support is through the rectangular recess of both sides of bottom plate, and is fixed through the pressing piece and nut, be provided with second support respectively at the front, back edge of bottom plate, and the upper end of second support is protruding top frame, and is fixed through the top plate and nut. The utility model discloses through optimizing fixture structure, realizes light weight and high rigidity, and positioning and fixedly are carried out to casting sand type fast, accurately, and production efficiency and casting quality stability are improved significantly, and equipment energy consumption and operating cost are reduced simultaneously.
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Description

Technical Field

[0001] This utility model relates to a fixture, and more particularly to a lightweight positioning fixture for high-rigidity support casting sand mold, belonging to the field of casting processing technology. Background Technology

[0002] In the modern foundry industry, the positioning and fixing of sand molds is a crucial step in ensuring casting quality and production efficiency. Traditional sand mold positioning fixtures typically suffer from the following problems: ① To ensure support strength, traditional fixtures often employ heavy metal structures. While these stabilize the sand mold, their excessive weight makes handling and installation extremely inconvenient, and increases equipment energy consumption and operating costs; ② Traditional fixtures have complex structures, including numerous components and connections. This not only increases manufacturing costs but also significantly increases maintenance and operation difficulty, making them prone to malfunctions and affecting production efficiency and casting quality. Furthermore, traditional fixtures have poor versatility, making it difficult to adapt to sand molds of different sizes and shapes, further limiting their application range. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a lightweight positioning fixture for high rigidity support casting sand mold, which can quickly and accurately position and fix the casting sand mold, thereby improving production efficiency.

[0004] The technical solution adopted by this utility model to solve the technical problem is as follows: A lightweight positioning fixture for high-rigidity support casting sand mold includes a support plate and square steel tubes. Square steel tubes are spaced apart at the bottom of the support plate, and at least one base plate is provided on the top of the support plate. Positioning rings are respectively provided in the middle of both sides of the base plate. A first support rod is provided inside the positioning ring. A top frame is provided above the base plate. Rectangular grooves are carved in the middle of both sides of the top frame. The upper part of the first support rod passes through the rectangular groove and is fixed by matching nuts. Positioning blocks are respectively provided on the front and rear sides of the base plate. A second support rod is threadedly connected to the top of the positioning block. The upper end of the second support rod extends out of the top frame, and a top plate is provided on the corresponding second support rod.

[0005] The first support rod is L-shaped, and the bottom of the first support rod is inserted into the corresponding positioning ring. A pressure plate is sleeved on the first support rod above the rectangular groove, and a matching nut is threadedly connected to the first support rod above the pressure plate.

[0006] Positioning posts are respectively provided on both sides of the front and rear edges of the base plate. The inner end of the positioning block is sleeved on the positioning post and fixed by a matching nut. The top of the positioning block is provided with an internal threaded hole for connecting the second support rod.

[0007] The top frame is a rectangular frame.

[0008] The top plate is located at the top of the top frame, and a matching nut is provided on the second support rod above the top frame.

[0009] The positive and beneficial effects of this utility model are: 1. This utility model, by setting the first and second support rods around the base plate and top frame, can clamp and fix the casting sand mold around its perimeter, achieving rapid and accurate positioning and fixing of the casting sand mold. Compared with traditional heavy metal structure clamps, it is more convenient to handle and install, reduces equipment energy consumption and operating costs, and improves production efficiency.

[0010] 2. This utility model reduces the complex components and connection structures in traditional fixtures. Through the ingenious cooperation of components such as positioning ring, first support rod, second support rod, and positioning block, the assembly, maintenance and operation of the fixture are made simpler and more efficient, reducing manufacturing costs, reducing the probability of failure, and further improving production efficiency and casting quality.

[0011] 3. This utility model can freely adjust the position of the nuts on the first and second support rods according to the size of the casting sand mold, and can adapt to casting sand molds of different sizes and shapes; this good versatility allows the fixture to play a role in a variety of casting processing scenarios, expands its application range, and improves the utilization rate of the equipment. Attached Figure Description

[0012] Figure 1 This is a diagram showing the usage state of this utility model; Figure 2 This is a schematic diagram of the structure of this utility model; Figure 3 This is a schematic diagram of the structure of the base plate and top frame of this utility model; Figure 4 This is a schematic diagram of the positioning block of this utility model; Wherein: 1-support plate, 2-square steel pipe, 3-bottom plate, 4-positioning ring, 5-first support rod, 6-top frame, 7-rectangular groove, 8-pressure plate, 9-nut, 10-positioning column, 11-positioning block, 12-second support rod, 13-top plate. Detailed Implementation

[0013] The present invention will be further explained and described below with reference to the accompanying drawings: See the example. Figures 1-3A lightweight positioning fixture for high-rigidity support casting sand mold includes a support plate 1 and square steel pipes 2. Square steel pipes 2 are spaced apart at the bottom of the support plate 1. At least one base plate 3 is provided at the top of the support plate 1. Positioning rings 4 are respectively provided in the middle of both sides of the base plate 3. A first support rod 5 is provided in the positioning ring 4. A top frame 6 is provided above the base plate 3. Rectangular grooves 7 are carved in the middle of both sides of the top frame 6. The upper part of the first support rod 5 passes through the rectangular grooves 7 and is fixed by matching nuts. Positioning blocks 11 are respectively provided at the front and rear sides of the base plate 3. The top of the positioning blocks 11 is connected to a second support rod 12 by thread. The upper end of the second support rod 12 extends out of the top frame 6, and a top plate 13 is provided on the corresponding second support rod 12.

[0014] In the above description, there are two first support rods, both arranged in an L-shape, with a positioning ring passing through the bottom of the first support rod.

[0015] In the above description, the size of the pressure plate is larger than the size of the rectangular groove, the pressure plate presses on top of the rectangular groove, and is fixed by a matching nut.

[0016] In the above description, there are four positioning posts, which are arranged in pairs at the front and rear edges of the base plate; and a positioning block is connected to each positioning post by a nut.

[0017] In the above description, there are four second support rods. The bottom of each second support rod is connected to the positioning block by threads. The second support rods are located outside the front and rear ends of the top frame (i.e., on both sides). Top plates are fitted on the corresponding second support rods at the front and rear ends and are tightened and fixed by matching nuts.

[0018] The first support rod 5 is distributed in an L-shape. The bottom of the first support rod 5 is inserted into the corresponding positioning ring 4. A pressure plate 8 is sleeved on the first support rod 5 above the rectangular groove 7, and a matching nut is threadedly connected to the first support rod 5 above the pressure plate 8.

[0019] Positioning posts 10 are respectively provided on both sides of the front and rear edges of the base plate 3. The inner end of the positioning block 11 is sleeved on the positioning post 10 and fixed by matching nuts. An internal threaded hole for connecting the second support rod 12 is provided on the top of the positioning block 111.

[0020] The top frame 6 is a rectangular frame.

[0021] The top plate 13 is located on top of the top frame 6, and a matching nut is provided on the second support rod 12 above the top frame 6.

[0022] In the above description, the length of the base plate is less than the length of the top frame.

[0023] When using it, first place the casting sand mold on the base plate, adjust the position of the first and second support rods according to the size of the sand mold, so that the sand mold is clamped and fixed around its perimeter; then tighten the nuts to ensure that all parts are firmly connected, thus completing the positioning and fixing of the sand mold.

[0024] Working principle: Positioning: Place the casting sand mold on the base plate 3, and adjust the position of the nuts on the first support rod 5 and the second support rod 12 according to the size of the casting to press and fix the casting, thereby ensuring the stability of the sand mold during the casting process.

[0025] During the casting process, the high rigidity of the fixture effectively withstands various forces, ensuring the stability of the sand mold position and thus guaranteeing the quality of the casting.

[0026] This invention optimizes the fixture structure to achieve both lightweight and high rigidity, enabling rapid and accurate positioning and fixing of casting sand molds, significantly improving production efficiency and casting quality stability, while reducing equipment energy consumption and operating costs.

Claims

1. A lightweight positioning fixture for high-rigidity support casting sand mold, comprising a support plate (1) and a square steel tube (2), characterized in that: The bottom of the support plate (1) is provided with square steel pipes (2) spaced apart. The top of the support plate (1) is provided with at least one base plate (3). The middle part of both sides of the base plate (3) is provided with positioning rings (4). The positioning rings (4) are provided with first support rods (5). The top plate (3) is provided with a top frame (6). The middle part of both sides of the top frame (6) is provided with rectangular grooves (7). The upper part of the first support rod (5) passes through the rectangular grooves (7) and is fixed by matching nuts. The front and rear sides of the base plate (3) are provided with positioning blocks (11). The top of the positioning blocks (11) is connected to a second support rod (12) by thread. The upper end of the second support rod (12) extends out of the top frame (6). A top plate (13) is provided on the corresponding second support rod (12) and is fixed by nuts.

2. The lightweight positioning fixture for high-rigidity support casting sand mold according to claim 1, characterized in that: The first support rod (5) is distributed in an L shape. The bottom of the first support rod (5) is inserted into the corresponding positioning ring (4). A pressure plate (8) is sleeved on the first support rod (5) above the rectangular groove (7), and a matching nut is threadedly connected to the first support rod (5) above the pressure plate (8).

3. The lightweight positioning fixture for high-rigidity support casting sand mold according to claim 1, characterized in that: The base plate (3) has positioning posts (10) on both sides of the front and rear edges respectively. The inner end of the positioning block (11) is sleeved on the positioning post (10) and fixed by matching nuts. The top of the positioning block (11) is provided with an internal threaded hole for connecting the second support rod (12).

4. A lightweight positioning fixture for high-rigidity support casting sand mold according to claim 1, characterized in that: The top frame (6) is a rectangular frame.

5. A lightweight positioning fixture for high-rigidity support casting sand mold according to claim 1, characterized in that: The top plate (13) is located on top of the top frame (6), and a matching nut is provided on the second support rod (12) above the top frame (6).