Quick disassembly and assembly anti-drop connecting piece for lost wax casting transverse pin connection

Abstract

The utility model discloses a quick disassembly and assembly anti-drop connecting piece for lost wax casting transverse pin connection, which comprises a wax die head and a longitudinally arranged steel pipe, a transverse pin is mounted at the top of the steel pipe, 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 is propped against the transverse pin, and the transverse pin is connected with the wax die head. The bottom end of the spring abuts against the positioning piece, the positioning piece is connected with a positioning pin, the outer side of the lower portion of the steel pipe is provided with a long-strip-shaped open groove allowing the positioning pin to be connected in a sliding mode, the outer side of the steel pipe is sleeved with a pressing piece, the pressing piece is connected with the positioning pin, and a fastener is embedded in the wax die head. A clamping column is arranged on the outer side of the upper portion of the fastener, an open groove allowing the clamping column to penetrate through is formed in the bottom of the steel pipe, and a clamping groove allowing the clamping column to be clamped is formed in the bottom of the steel pipe. The device is convenient to use, short in assembly and disassembly time and stable in connection, 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, in particular to a quick disassembly and assembly anti-dropping connector for a lost wax casting transverse pin connection. 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 quick disassembly and assembly anti-dropping connector for lost wax casting cross pin connection which has a simple structure and is easy to use.

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

[0005] A quick-disassembly and anti-slip connection piece for lost wax casting cross pin connection, comprising a wax die head and a longitudinally arranged steel pipe, a cross pin is installed on the top of the steel pipe, 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 cross pin, the bottom end of the spring abuts against the positioning piece, the positioning piece is connected to a positioning pin, the outer side of the lower part of the steel pipe is provided with a long strip groove for the sliding connection of the positioning pin, the outer side of the steel pipe is sleeved with a pressing plate, the pressing plate is connected to the positioning pin, the wax die head is pre-embedded with a fastener, the outer side of the upper part of the fastener is provided with a clamping column, the bottom of the steel pipe is provided with a slot for the clamping column to pass through, and the bottom of the steel pipe is provided with a clamping groove for the clamping column to engage.

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

[0007] Furthermore, the cross pin is welded to the top of the steel pipe.

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

[0009] Furthermore, a guide column is provided on the top of the fastener, and the guide column is sleeved on the inner side of the bottom of the steel pipe.

[0010] Furthermore, a conical guide portion is provided on the top of the guide column.

[0011] Furthermore, a connecting plate is provided at the bottom of the fastener.

[0012] Furthermore, a through hole is provided on the inner side of the pressing sheet and is sleeved on the steel pipe.

[0013] Furthermore, the positioning pin is welded to the positioning piece.

[0014] Furthermore, a weight-avoiding groove is provided on the upper portion of the fastener.

[0015] Compared with the prior art, the utility model is provided with a transverse pin installed on the top of the steel pipe, 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, a positioning piece 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 fastener is embedded in the wax die head, a clamping column is provided on the outer side of the upper part of the fastener, a slot for the clamping column to pass through is provided at the bottom of the steel pipe, and a clamping groove for the clamping column to engage is provided at the bottom of the steel pipe, so that the structure of the quick disassembly and assembly anti-dropping connector is simple and easy to use. When installing, the fastener is first embedded in the wax die head, and then the slot is aligned with the Accurately clamp the column, the pressing piece presses against the top of the wax die head, presses the cross pin, and the steel pipe moves downward. After the clamping column reaches the slot, rotate the steel pipe, align the clamping column with the slot and then release the cross pin. Under the reset action of the spring, the steel pipe clamps the clamping column in the slot to achieve a stable connection between the steel pipe and the wax die head. When disassembling, first press the cross pin, the steel pipe moves downward, after the clamping column leaves the slot, rotate the steel pipe, align the clamping column with the slot and then release the cross pin. Under the reset action of the spring, the steel pipe leaves the slot, and the steel pipe 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, saving the operator's time and physical strength, improving production efficiency, and facilitating mass production. 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 labor.

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

[0018] Figure 2 This is a structural exploded view of the quick disassembly and assembly anti-drop connection piece of the lost wax casting transverse pin connection of the utility model;

[0019] Figure 3 It is a schematic diagram of the longitudinal section structure of a quick disassembly and assembly anti-dropping connecting piece of the lost wax casting transverse pin connection of the utility model.

[0020] In the figure: 1-wax die head; 2-steel pipe; 3-cross pin; 4-spring; 5-positioning piece; 6-positioning pin; 7-long strip slot; 8-pressing sheet; 9-fastener; 10-clamping column; 11-slot; 12-clamping slot; 13-dust-proof silicone sleeve; 14-guide column; 15-conical guide part; 16-connecting plate; 17-through hole; 18-weight avoidance slot. 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 quick-disassembly and anti-slip connection piece for lost wax casting connected by a horizontal pin, comprising a wax die head 1 and a longitudinally arranged steel pipe 2, a horizontal pin 3 is installed on the top of the steel pipe 2, a spring 4 is sleeved on the inner side of the steel pipe 2, a positioning piece 5 is sleeved on the inner side of the lower part of the steel pipe 2, the top of the spring 4 abuts against the horizontal pin 3, the bottom end of the spring 4 abuts against the positioning piece 5, the positioning piece 5 is connected to a positioning pin 6, the outer side of the lower part of the steel pipe 2 is provided with a long strip groove 7 for sliding connection of the positioning pin 6, the outer side of the steel pipe 2 is sleeved with a pressing sheet 8, the pressing sheet 8 is connected to the positioning pin 6, a fastener 9 is pre-embedded in the wax die head 1, a clamping column 10 is provided on the outer side of the upper part of the fastener 9, a slot 11 for the clamping column 10 to pass through is provided at the bottom of the steel pipe 2, and a clamping groove 12 for the clamping column 10 to engage is provided at the bottom of the steel pipe 2. A cross pin 3 is installed through the top of the steel pipe 2, a spring 4 is sleeved on the inner side of the steel pipe 2, a positioning piece 5 is sleeved on the inner side of the lower part of the steel pipe 2, 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 2, and a pressing piece 8 is sleeved on the outer side of the steel pipe 2, and the pressing piece 8 is connected to the positioning pin 6. A fastener 9 is embedded in the wax die head 1, and a clamping column 10 is provided on the outer side of the upper part of the fastener 9. A slot 11 for the clamping column 10 to pass through is provided at the bottom of the steel pipe 2, and a clamping groove 12 for the clamping column 10 to engage is provided at the bottom of the steel pipe 2, so that the structure of the quick disassembly and assembly anti-dropping connector is simple and easy to use. When installing, the fastener 9 is first embedded in the wax die head 1, and then the slot 11 is aligned with the clamping column 10, and the pressing piece 8 is pressed against the wax die head 1. At the top of the wax die head 1, press the cross pin 3, the steel pipe 2 moves downward, and after the clamping column 10 reaches the clamping slot 12, rotate the steel pipe 2, align the clamping column 10 with the clamping slot 12 and then release the cross pin 3. Under the reset action of the spring 4, the clamping slot 12 clamps the clamping column 10 to achieve a stable connection between the steel pipe 2 and the wax die head 1. When disassembling, first press the cross pin 3, the steel pipe 2 moves downward, and after the clamping column 10 leaves the clamping slot 12, rotate the steel pipe 2, align the clamping column 10 with the slot 11 and then release the cross pin 3. Under the reset action of the spring 4, the clamping column 10 leaves the slot 11, the steel pipe 2 can be separated from the wax die head 1. There is no loosening during use, the assembly and disassembly time is short, the connection is stable, saving the operator's time and physical strength, improving production efficiency, and facilitating mass production.

[0023] A dustproof silicone sleeve 13 is provided on the outer side of the lower part of the steel pipe 2 to prevent dust from entering the inner side of the steel pipe 2 and the inner side of the wax die head 1, thereby improving the stability of use.

[0024] The cross pin 3 is welded to the top of the steel pipe 2, so that the connection of the cross pin 3 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 14 is provided on the top of the fastener 9 , and the guide post 14 is sleeved on the inner side of the bottom of the steel pipe 2 , so that the fastener 9 can move up and down relative to the steel pipe 2 more stably.

[0027] A conical guide portion 15 is provided at the top of the guide column 14 to make it easier for the fastener 9 to align and enter the inner side of the bottom of the steel pipe 2 .

[0028] A connecting plate 16 is provided at the bottom of the fastener 9 to make the installation connection of the fastener 9 more stable.

[0029] The inner side of the pressing plate 8 is provided with a through hole 17 which is sleeved on the steel pipe 2, so that the pressing plate 8 can move up and down more stably.

[0030] The positioning pin 6 is welded to the positioning member 5, so that the connection of the positioning pin 6 is more stable.

[0031] The upper part of the fastener 9 is provided with a weight-avoiding groove 18, so that the fastener 9 is lighter, saving materials and manufacturing costs.

[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 quick disassembly and anti-drop connection piece for lost wax casting horizontal pin connection, characterized in that: It includes a wax die head and a longitudinally arranged steel pipe, a horizontal pin is installed on the top of the steel pipe, 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 horizontal pin, the bottom end of the spring abuts against the positioning piece, the positioning piece is connected to a positioning pin, the outer side of the lower part of the steel pipe is provided with a long strip groove for the sliding connection of the positioning pin, the outer side of the steel pipe is sleeved with a pressing plate, the pressing plate is connected to the positioning pin, a fastener is pre-embedded in the wax die head, a clamping column is provided on the outer side of the upper part of the fastener, a slot for the clamping column to pass through is provided at the bottom of the steel pipe, and a clamping groove for the clamping column to engage is provided at the bottom of the steel pipe.

2. The quick disassembly and anti-drop connection piece for lost wax casting horizontal pin connection 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 quick disassembly and anti-drop connection piece for lost wax casting horizontal pin connection according to claim 1, characterized in that: The cross pin is welded to the top of the steel pipe.

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

5. The quick disassembly and anti-drop connection piece for lost wax casting horizontal pin connection according to claim 1, characterized in that: A guide column is arranged on the top of the fastener, and the guide column is sleeved on the inner side of the bottom of the steel pipe.

6. The quick disassembly and anti-drop connection piece for lost wax casting horizontal pin connection according to claim 5, characterized in that: A conical guiding portion is arranged on the top of the guide column.

7. The quick disassembly and anti-drop connection piece for lost wax casting horizontal pin connection according to claim 1, characterized in that: A connecting plate is arranged at the bottom of the fastener.

8. The quick disassembly and anti-drop connection piece for lost wax casting horizontal pin connection 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.

9. The quick disassembly and anti-drop connection piece for lost wax casting horizontal pin connection according to claim 1, characterized in that: The positioning pin is welded to the positioning piece.

10. The quick disassembly and anti-drop connection piece for lost wax casting horizontal pin connection according to claim 1, characterized in that: A weight-avoiding slot is provided on the upper portion of the fastener.

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