Cast aluminum alloy wheel mold positioning pin jackhammer dismounting tool

Abstract

The utility model relates to the technical field of wheel mold positioning pin dismounting, and discloses a jackhammer dismounting tool for a cast aluminum alloy wheel mold positioning pin, which comprises a mold, a sleeve is attached to the outer surface of the mold, an outer hexagonal full-thread bolt is in threaded connection with the inner part of the end part of the sleeve, and a pull head is movably connected with the inner part of the sleeve. According to the jackhammer disassembling tool for the positioning pin of the casting aluminum alloy wheel mold, after the sleeve makes contact with the mold, upward counter-acting force is generated on the outer hexagonal full-thread bolt, the outer hexagonal full-thread bolt drives the pull head, the pull rod and the positioning pin to move upwards till the pull rod is pulled out, and pull rod disassembling is completed. And meanwhile, the disassembling mechanism is assembled on the positioning pin in an assembling mode, so that personnel can disassemble conveniently, the steps required by manual disassembling are simplified, meanwhile, the physical strength required by manual disassembling is saved, the disassembling mechanism can be repeatedly assembled and used, and the investment of materials is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel mould positioning pin disassembly, in particular to a pneumatic cannon disassembly tool for the positioning pin of a cast aluminium alloy wheel mould. Background Art

[0002] During the casting process of aluminum alloy wheels, the overall shaping is achieved through the use of molds. During the casting process, positioning pins are required to locate the position to prevent positional deviation.

[0003] However, the following problems still exist in actual use:

[0004] However, at present, after the locating pins of the cast aluminum alloy wheel mold need to be disassembled, they need to be disassembled using a manual pin puller. This method is not only inefficient, but also cumbersome in operation steps, and also increases the labor intensity of the workers. If the operation is improper, it may cause injuries to the workers, affecting the efficiency of disassembly of the locating pins. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a pneumatic cannon disassembly tool for locating pins of a cast aluminum alloy wheel mold, which has the advantages of being able to provide power through a pneumatic tool with a pneumatic cannon to achieve semi-automatic disassembly, reduce labor intensity, and improve work efficiency, thereby solving the problems raised in the background technology.

[0006] The utility model provides the following technical solution: a casting aluminum alloy wheel mold positioning pin air cannon disassembly tool, comprising: a mold, the outer surface of the mold is fitted with a sleeve, the inner end of the sleeve is threadedly connected with an external hexagonal full-thread bolt, and the inner part of the sleeve is movably connected with a pull head.

[0007] Preferably, a notch is provided at the upper end of the pull head, and the interior of the notch is movably connected to the outer surface of the other end of the external hexagonal full-thread bolt.

[0008] Preferably, a cushion block is fixedly connected to the interior of the slider, the outer surface of the other end of the external hexagonal full-thread bolt is threadedly connected to the interior of the cushion block, and an entry groove is provided on the side surface of the lower end of the slider.

[0009] Preferably, a pull rod is movably inserted into the interior of the entry groove, a positioning pin is threadedly connected to the lower end of the pull rod, an outer surface of the positioning pin is connected to the interior of the mold, and an outer surface of the pull rod is connected to the interior of the mold.

[0010] Preferably, the diameter of the pull head is consistent with the inner diameter of the sleeve, and the diameter of the external hexagonal full-thread bolt is slightly smaller than the inner diameter of the slot.

[0011] Preferably, the size of the outer surface of the end of the pull rod is consistent with the inner size of the entry groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] This type of cast aluminum alloy wheel mold locating pin air cannon disassembly tool, when disassembling the locating pin, first rotate the external hexagonal full-thread bolt so that the external hexagonal full-thread bolt completely enters the interior of the sleeve, then place the pull head part inside the sleeve, and at the same time, the lower end of the external hexagonal full-thread bolt enters the interior of the pull head through the notch provided on the pull head, and at the same time, the outer surface of the lower end of the external hexagonal full-thread bolt is connected with the internal thread of the upper surface of the pad inside the pull head, then the end of the pull rod is connected with the internal thread of the end of the locating pin, and at the same time, the other end of the pull rod enters the interior of the pull head through the entry groove provided on the pull head, then rotate the external hexagonal full-thread bolt so that the external hexagonal full-thread bolt drives the pull head to gradually enter The pull head is inserted into the interior of the sleeve. When the pull head enters to a certain depth, the end of the sleeve abuts against the side of the mold. After the sleeve contacts the mold, an upward reaction force is generated on the hexagonal full-thread bolt. The hexagonal full-thread bolt drives the pull head, the pull rod and the locating pin to move upward until the pull rod is pulled out, and the pull rod is disassembled. The setting of this structure can effectively disassemble the locating pin. At the same time, the disassembly mechanism is assembled on the locating pin, which is convenient for personnel to disassemble and simplifies the steps required for manual disassembly. At the same time, the physical strength required for manual disassembly is saved, and the disassembly mechanism can be assembled and used repeatedly, which saves material investment. Repeated use broadens the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0015] Figure 2 This is a schematic diagram of the slider structure of the utility model.

[0016] In the figure: 1. mold; 2. positioning pin; 3. pull rod; 4. sleeve; 5. pull head; 6. external hexagonal full-thread bolt; 7. spacer; 8. notch; 9. entry groove. DETAILED DESCRIPTION

[0017] 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 in 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.

[0018] See also Figure 1 and Figure 2, a tool for disassembling the positioning pin of a casting aluminum alloy wheel mold, comprising: a mold 1, a sleeve 4 is fitted on the outer surface of the mold 1, an external hexagonal full-thread bolt 6 is internally threadedly connected to the end of the sleeve 4, a pull head 5 is movably connected to the inside of the sleeve 4, a notch 8 is provided at the upper end of the pull head 5, the inside of the notch 8 is movably connected to the outer surface of the other end of the external hexagonal full-thread bolt 6, a cushion block 7 is fixedly connected to the inside of the pull head 5, the outer surface of the other end of the external hexagonal full-thread bolt 6 is threadedly connected to the inner surface of the cushion block 7, an entry groove 9 is provided on the side surface of the lower end of the pull head 5, a pull rod 3 is movably inserted into the inside of the entry groove 9, a positioning pin 2 is threadedly connected to the lower end of the pull rod 3, the outer surface of the positioning pin 2 is connected to the inside of the mold 1, the outer surface of the pull rod 3 is connected to the inside of the mold 1, the external hexagonal full-thread bolt 6 is rotated, the external hexagonal full-thread bolt 6 completely enters the inside of the sleeve 4, and the pull head 5 is now partially 1 and 1 are placed in the interior of the sleeve 4, and the lower end of the external hexagonal full-thread bolt 6 enters the interior of the sliding head 5 through the notch 8 provided on the sliding head 5, and the outer surface of the lower end of the external hexagonal full-thread bolt 6 is internally threadedly connected with the upper surface of the pad 7 inside the sliding head 5. At this time, the end of the pull rod 3 is internally threadedly connected with the end of the locating pin 2, and the other end of the pull rod 3 enters the interior of the sliding head 5 through the entry groove 9 provided on the sliding head 5. At this time, the external hexagonal full-thread bolt 6 is rotated so that the external hexagonal full-thread bolt 6 drives the sliding head 5 to gradually enter the interior of the sleeve 4. When the sliding head 5 enters to a certain depth, the end of the sleeve 4 abuts against the side of the mold 1. After the sleeve 4 contacts the mold 1, an upward reaction force is generated on the external hexagonal full-thread bolt 6, and the external hexagonal full-thread bolt 6 drives the sliding head 5, the pull rod 3 and the locating pin 2 to move upward until the pull rod 3 is pulled out, and the pull rod 3 is disassembled.

[0019] See also Figure 1 and Figure 2 The diameter of the pull head 5 is consistent with the inner diameter of the sleeve 4, and the diameter of the external hexagonal full-thread bolt 6 is slightly smaller than the inner diameter of the notch 8.

[0020] See also Figure 1 and Figure 2 The outer surface size of the end of the pull rod 3 is consistent with the inner size of the entry groove 9.

[0021] Working principle: when in use, first, rotate the external hexagonal full-thread bolt 6 so that the external hexagonal full-thread bolt 6 completely enters the interior of the sleeve 4. At this time, the pull head 5 is partially placed inside the sleeve 4, and the lower end of the external hexagonal full-thread bolt 6 enters the interior of the pull head 5 through the notch 8 opened on the pull head 5. At the same time, the outer surface of the lower end of the external hexagonal full-thread bolt 6 is internally threadedly connected with the upper surface of the pad 7 inside the pull head 5. At this time, the end of the pull rod 3 is internally threadedly connected with the end of the positioning pin 2. At the same time, the other end of the pull rod 3 is internally threadedly connected. The end enters the interior of the sliding head 5 through the entry groove 9 provided on the sliding head 5. At this time, the external hexagonal full-thread bolt 6 is rotated so that the external hexagonal full-thread bolt 6 drives the sliding head 5 to gradually enter the interior of the sleeve 4. When the sliding head 5 enters to a certain depth, the end of the sleeve 4 abuts against the side of the mold 1. After the sleeve 4 contacts the mold 1, an upward reaction force is generated on the external hexagonal full-thread bolt 6. The external hexagonal full-thread bolt 6 drives the sliding head 5, the pull rod 3 and the locating pin 2 to move upward until the pull rod 3 is pulled out, and the removal of the pull rod 3 is completed.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Cast aluminum alloy wheel mold positioning pin air cannon disassembly tool, characterized by: include: A mold (1), wherein a sleeve (4) is fitted on the outer surface of the mold (1), an outer hexagonal full-thread bolt (6) is internally threadedly connected to the end of the sleeve (4), and a pull head (5) is movably connected inside the sleeve (4).

2. The jackhammer disassembly tool for the locating pin of the cast aluminum alloy wheel mold according to claim 1 is characterized by: A notch (8) is provided at the upper end of the pull head (5), and the interior of the notch (8) is movably connected to the outer surface of the other end of the external hexagonal full-thread bolt (6).

3. The tooling for disassembling the positioning pin of the casting aluminum alloy wheel mold according to claim 1 is characterized in that: A cushion block (7) is fixedly connected inside the pull head (5), the outer surface of the other end of the external hexagonal full-thread bolt (6) is threadedly connected to the inner surface of the cushion block (7), and an entry groove (9) is provided on the side surface of the lower end of the pull head (5).

4. The tooling for disassembling the positioning pin of the casting aluminum alloy wheel mold according to claim 3 is characterized in that: A pull rod (3) is movably inserted into the interior of the entry groove (9), and a positioning pin (2) is threadedly connected to the lower end of the pull rod (3). The outer surface of the positioning pin (2) is connected to the interior of the mold (1), and the outer surface of the pull rod (3) is connected to the interior of the mold (1).

5. The tooling for disassembling the positioning pin of the casting aluminum alloy wheel mold according to claim 1 is characterized in that: The diameter of the pull head (5) is consistent with the inner diameter of the sleeve (4), and the diameter of the external hexagonal full-thread bolt (6) is slightly smaller than the inner diameter of the notch (8).

6. The tooling for disassembling the positioning pin of the casting aluminum alloy wheel mold according to claim 4 is characterized in that: The size of the outer surface of the end of the pull rod (3) is consistent with the inner size of the entry groove (9).

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