Practical anti-drop connecting piece for lost wax casting and rapid disassembly and assembly

Abstract

The utility model discloses a lost wax casting practical fast dismounting anti-drop connecting piece, which comprises a hook and a wax die head, the bottom of the hook is connected with a steel pipe, the inner side of the steel pipe is sleeved with a spring, the inner side of the lower part of the steel pipe is sleeved with a positioning piece, the positioning piece is connected with a positioning pin, and the positioning pin is connected with the wax die head. The outer side of the lower portion of the steel pipe is provided with a long-strip-shaped open groove allowing the locating pin to be connected in a sliding mode, the steel pipe is sleeved with a pressing piece, the pressing piece is connected with the locating pin, a male fastener is installed at the bottom of the steel pipe, a female fastener corresponding to the male fastener is embedded in the wax die head, and the male fastener is connected with the female fastener. A clamping block is arranged on the outer side of the male fastener, an open groove allowing the clamping block to penetrate through is formed in the top of the female fastener, and a clamping groove allowing the clamping block to be clamped is formed in the upper portion of the female fastener. The connecting device is convenient to use, short in assembly and disassembly time, stable in connection and free of looseness, saves time of operators, relieves physical labor, and improves production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of die heads in the casting industry, and in particular to a practical quick-disassembly and assembly anti-slip connection piece for lost wax casting. Background Art

[0002] In the investment casting industry, anti-slip connectors are mainly used for the connection and bearing of wax mold heads in wax mold workshops. Traditionally, the wax mold heads are connected to anti-slip connectors mainly through screws and nuts, and the nuts or screws of the anti-slip connectors are screwed in or out with the screws or nuts in the wax mold heads. Since the connection of the screw and nut usually requires a long matching length to stably fasten the anti-slip connector and the wax mold heads, and there is a loosening phenomenon during use, to avoid loosening, the operator must check and retighten the screw from time to time, which results in the assembly and disassembly of the anti-slip connector and the wax mold heads taking a long time and consuming a lot of physical strength of the loading and unloading personnel, which is time-consuming and labor-intensive, and is not conducive to mass production. Therefore, in order to avoid the shortcomings existing in the prior art, it is necessary to improve the prior art. Utility Model Content

[0003] The utility model aims to overcome the shortcomings and deficiencies in the prior art and to provide a practical quick-disassembly and anti-dropping connector for lost wax casting which has a simple structure and is easy to use.

[0004] The utility model is realized by the following technical solutions:

[0005] A practical quick-disassembly and anti-slip connector for lost wax casting, comprising a hook and a wax die head, wherein a steel pipe is connected to the bottom of the hook, a spring is sleeved on the inner side of the steel pipe, a positioning piece is sleeved on the inner side of the lower part of the steel pipe, the top end of the spring abuts against the hook, the bottom end of the spring abuts against the positioning piece, a positioning pin is connected to the positioning piece, a long strip slot for sliding connection of the positioning pin is provided on the outer side of the lower part of the steel pipe, a pressing sheet is sleeved on the outer side of the steel pipe, the pressing sheet is connected to the positioning pin, a male fastener is installed at the bottom of the steel pipe, a female fastener corresponding to the male fastener is pre-embedded in the wax die head, a clamping block is provided on the outer side of the male fastener, a slot for the clamping block to pass through is provided on the top of the female fastener, and a clamping slot for the clamping block to engage is provided on the upper part of the female fastener.

[0006] Furthermore, a dustproof silicone sleeve is provided on the outer side of the lower part of the steel pipe.

[0007] Furthermore, the bottom of the hook is welded to the inner side of the top of the steel pipe.

[0008] Furthermore, the positioning pin is welded to the pressing sheet.

[0009] Furthermore, a guide column is provided at the bottom of the male fastener, and a guide hole corresponding to the guide column is provided at the upper portion of the female fastener.

[0010] Furthermore, a conical guide portion is provided at the bottom of the guide column.

[0011] Furthermore, the male fastener is welded to the inner side of the bottom of the steel pipe.

[0012] Furthermore, a connecting plate is provided at the bottom of the female fastener.

[0013] Furthermore, a through hole is provided on the inner side of the pressing sheet and is sleeved on the steel pipe.

[0014] Furthermore, a cylindrical connecting block is provided at the bottom of the hook and is sleeved on the inner side of the top of the steel pipe.

[0015] Compared with the prior art, the utility model is provided with a spring through the inner sleeve of the steel pipe, a positioning piece is provided on the inner sleeve of the lower part of the steel pipe, a positioning pin is connected to the positioning piece, a long strip slot for sliding connection of the positioning pin is provided on the outer side of the lower part of the steel pipe, a pressing sheet is provided on the outer side of the steel pipe, the pressing sheet is connected to the positioning pin, a male fastener is installed at the bottom of the steel pipe, a female fastener corresponding to the male fastener is embedded in the wax die head, a clamping block is provided on the outer side of the male fastener, a slot for the clamping block to pass through is provided on the top of the female fastener, and a clamping slot for the clamping block to engage is provided on the upper part of the female fastener, so that the anti-dropping connector has a simple structure and is easy to use. When installing, the female fastener is first embedded in the wax die head. Then align the card block with the slot, press the pressing piece against the top of the wax die head, press the hook, move the card block downward, and after reaching the slot, rotate the hook, align the card block with the slot and release the hook. Under the reset action of the spring, the card block clamps the slot to achieve a stable connection between the hook and the wax die head. When disassembling, first press the hook, move the card block downward, and after the card block leaves the slot, rotate the hook, align the card block with the slot and release the hook. Under the reset action of the spring, the card block leaves the slot, and the hook can be separated from the wax die head. There is no loosening during use, the assembly and disassembly time is short, the connection is stable, the operator's time and physical strength are saved, the production efficiency is improved, and mass production is facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of a practical quick-disassembly and assembly anti-slip connection piece for lost wax casting of the utility model;

[0018] Figure 2 This is a structural exploded view of the utility model of the practical quick-disassembly anti-slip connector for lost wax casting;

[0019] Figure 3 The utility model is a longitudinal cross-sectional structural diagram of a practical quick-disassembly and assembly anti-slip connection piece for lost wax casting.

[0020] In the figure: 1-hook; 2-wax die head; 3-steel pipe; 4-spring; 5-positioning piece; 6-positioning pin; 7-long strip slot; 8-pressing sheet; 9-male fastener; 10-female fastener; 11-block; 12-slot; 13-slot; 14-dust-proof silicone sleeve; 15-guide column; 16-guide hole; 17-conical guide part; 18-connecting plate; 19-through hole; 20-cylindrical connecting block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 3The utility model shown is a practical quick-disassembly anti-slip connector for lost wax casting, comprising a hook 1 and a wax die head 2. A steel pipe 3 is connected to the bottom of the hook 1. A spring 4 is sleeved on the inner side of the steel pipe 3. A positioning piece 5 is sleeved on the inner side of the lower part of the steel pipe 3. The top of the spring 4 abuts against the hook 1, and the bottom of the spring 4 abuts against the positioning piece 5. The positioning piece 5 is connected to a positioning pin 6. A long strip groove 7 for sliding connection of the positioning pin 6 is provided on the outer side of the lower part of the steel pipe 3. A pressing sheet 8 is sleeved on the outer side of the steel pipe 3. The pressing sheet 8 is connected to the positioning pin 6. A male fastener 9 is installed at the bottom of the steel pipe 3. A female fastener 10 corresponding to the male fastener 9 is pre-embedded in the wax die head 2. A clamping block 11 is provided on the outer side of the male fastener 9. A slot 12 for the clamping block 11 to pass through is provided on the top of the female fastener 10. A clamping groove 13 for the clamping block 11 to engage is provided on the upper part of the female fastener 10. A spring 4 is sleeved through the inner side of the steel pipe 3, a positioning piece 5 is sleeved on the inner side of the lower part of the steel pipe 3, and a positioning pin 6 is connected to the positioning piece 5. A long strip slot 7 for sliding connection of the positioning pin 6 is provided on the outer side of the lower part of the steel pipe 3, and a pressing sheet 8 is sleeved on the outer side of the steel pipe 3, and the pressing sheet 9 is connected to the positioning pin 6. A male fastener 9 is installed at the bottom of the steel pipe 3, and a female fastener 10 corresponding to the male fastener 9 is pre-buried in the wax die head 2. A clamping block 11 is provided on the outer side of the male fastener 9, and a slot 12 for the clamping block 11 to pass through is provided on the top of the female fastener 10, and a clamping groove 13 for the clamping block 11 to engage is provided on the upper part of the female fastener 10, so that the anti-drop connector has a simple structure and is easy to use. When installing, the female fastener 10 is first pre-buried in the wax die head 2, and then the clamping block 11 is aligned with the slot 1 2, the pressing sheet 8 is against the top of the wax die head 2, pressing the hook 1, the block 11 moves downward, and after reaching the slot 13, the hook 1 is rotated, the block 11 is aligned with the slot 13 and then the hook 1 is released. Under the reset action of the spring 4, the block 11 clamps the slot 13 to achieve a stable connection between the hook 1 and the wax die head 2. When disassembling, the hook 1 is first pressed, the block 11 moves downward, and after the block 11 leaves the slot 13, the hook 1 is rotated, the block 11 is aligned with the slot 12 and then the hook 1 is released. Under the reset action of the spring 4, the block 11 leaves the slot 10, and the hook 1 can be separated from the wax die head 2. There is no loosening during use, the assembly and disassembly time is short, the connection is stable, the operator's time and physical strength are saved, the production efficiency is improved, and mass production is facilitated.

[0023] A dustproof silicone sleeve 14 is provided on the outer side of the lower part of the steel pipe 3 to prevent dust from entering the inner side of the steel pipe 3 and the inner side of the wax die head 2, thereby improving the stability of use.

[0024] The bottom of the hook 1 is welded to the inner side of the top of the steel pipe 3, so that the connection between the steel pipe 3 and the hook 1 is more stable and the operation is more stable.

[0025] The positioning pin 6 is welded to the pressing sheet 8, so that the connection between the pressing sheet 8 and the positioning pin 6 is more stable.

[0026] A guide post 15 is provided at the bottom of the male fastener 9 , and a guide hole 16 corresponding to the guide post 15 is provided at the upper portion of the female fastener 10 , so that the male fastener 9 can move up and down relative to the female fastener 10 more stably.

[0027] A conical guide portion 17 is provided at the bottom of the guide column 9 to make it easier for the male fastener 9 to align and enter the female fastener 10 .

[0028] The male fastener 9 is welded to the inner side of the bottom of the steel pipe 3, so that the connection of the male fastener 9 is more stable.

[0029] A connecting plate 18 is provided at the bottom of the female fastener 10 to make the installation connection of the female fastener 10 more stable.

[0030] The inner side of the pressing plate 8 is provided with a through hole 19 which is sleeved on the steel pipe 3, so that the pressing plate 8 can move up and down more stably.

[0031] The bottom of the hook 1 is provided with a cylindrical connecting block 20 which is sleeved on the inner side of the top of the steel pipe 3, so that the connection between the hook 1 and the steel pipe 3 is more accurate and more stable.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A practical quick-disassembly anti-drop connector for lost wax casting, characterized in that: It includes a hook and a wax die head, a steel pipe is connected to the bottom of the hook, a spring is sleeved on the inner side of the steel pipe, a positioning piece is sleeved on the inner side of the lower part of the steel pipe, the top of the spring abuts against the hook, the bottom of the spring abuts against the positioning piece, a positioning pin is connected to the positioning piece, the outer side of the lower part of the steel pipe is provided with a long strip slot for the sliding connection of the positioning pin, a pressing sheet is sleeved on the outer side of the steel pipe, the pressing sheet is connected to the positioning pin, a male fastener is installed at the bottom of the steel pipe, a female fastener corresponding to the male fastener is pre-embedded in the wax die head, a clamping block is provided on the outer side of the male fastener, a slot for the clamping block to pass through is provided on the top of the female fastener, and a clamping slot for the clamping block to engage is provided on the upper part of the female fastener.

2. The practical quick-disassembly anti-drop connector for lost wax casting according to claim 1, characterized in that: The outer side of the lower part of the steel pipe is covered with a dustproof silicone sleeve.

3. The practical quick-disassembly anti-drop connector for lost wax casting according to claim 1, characterized in that: The bottom of the hook is welded to the inner side of the top of the steel pipe.

4. The practical quick-disassembly anti-drop connector for lost wax casting according to claim 1, characterized in that: The positioning pin is welded to the pressing sheet.

5. The practical quick-disassembly anti-drop connector for lost wax casting according to claim 1, characterized in that: A guide column is provided at the bottom of the male fastener, and a guide hole corresponding to the guide column is provided at the upper part of the female fastener.

6. The practical quick-disassembly anti-drop connector for lost wax casting according to claim 5, characterized in that: A conical guiding portion is provided at the bottom of the guide column.

7. The practical quick-disassembly anti-drop connector for lost wax casting according to claim 1, characterized in that: The male fastener is welded to the inner side of the bottom of the steel pipe.

8. The practical quick-disassembly anti-drop connector for lost wax casting according to claim 1, characterized in that: A connecting plate is provided at the bottom of the female fastener.

9. The practical quick-disassembly anti-drop connector for lost wax casting according to claim 1, characterized in that: The inner side of the pressing sheet is provided with a through hole which is sleeved on the steel pipe.

10. The practical quick-disassembly anti-drop connector for lost wax casting according to claim 1, characterized in that: The bottom of the hook is provided with a cylindrical connecting block which is sleeved on the inner side of the top of the steel pipe.

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