CN214352153U

CN214352153U - Machine part extracting tool

Info

Publication number: CN214352153U
Application number: CN202120434699.8U
Authority: CN
Inventors: 刘江; 张�杰
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-10-08
Anticipated expiration: 2031-03-01

Abstract

The utility model discloses a mechanical part disassembling tool, which relates to the field of maintenance tools, and comprises a pin puller pulling head and a pin puller rod, wherein one end of the pin puller rod is connected with an installation part through a connecting sleeve, the installation part is used for detachably connecting the pin puller pulling head, a ram is sleeved on the pin puller rod, and one end of the pin puller rod, which is far away from the pin puller pulling head, is provided with a limit stop; the utility model discloses because the adapter sleeve that is used for preventing the ram to drop in the one end installation of pin puller pole, can prevent that the ram from taking place to drop danger after taking off the installation department, the security is high, can prevent again that the ram from directly striking the installation department and causing the damage to the installation department when removing to the right side, machine part extracting tool's life has effectively been improved, thereby current pin puller ram is easy from pin puller pole landing when dismantling the pin puller, there is the problem of incident of easily taking place, wide market prospect has.

Description

Machine part extracting tool

Technical Field

The utility model belongs to the repair tools field specifically is a machine part extracting tool.

Background

With the advance of technology, fixed pins such as taper pins or straight pins are often used in machine manufacturing for positioning. The relative position between the parts can be positioned through the fixing pin, so that the subsequent disassembly and maintenance are facilitated, and the position can be rapidly adjusted and determined to keep the precision.

At present, when maintenance mechanical equipment, need dismantle equipment and all can meet the fixed pin that need extract usually, separation between the part, the pin puller just has been indispensable. When the fixing pin (positioning pin) is disassembled, a common method is to take out the fixing pin by using a pin puller, and the pin puller is used for disassembling so as to ensure that the assembling precision is not damaged. Because the parts are firmly connected, the parts cannot be directly pulled out by hands, and the parts can be damaged by knocking the parts, and can be taken out by the aid of a pin puller, so that the accuracy of the parts is maintained.

However, the above prior art solutions have the following drawbacks: various pin extractors on the market can meet the use requirements, but have disadvantages, for example, safety measures are not good, the working principle of the pin extractor is that a striker impacts a limit stop on a pin extractor rod to extract a fixed pin, the striker is designed to be heavy, the striker is easy to slip off from the pin extractor rod when a pin head is detached, so that injury accidents are possibly caused, and safety accidents are easy to happen in the use process. Therefore, it is an urgent need to solve the problem of designing a tool for detaching mechanical parts.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a machine part extracting tool to current pin puller that provides in solving above-mentioned background art when dismantling the pin pulling head the ram is landing from the pin puller pole easily, has the problem of the incident of easily taking place. The mechanical part extracting tool is a special tool (improved pin puller) for mechanical part extraction, can extract a cylindrical pin, plays a role in auxiliary extraction when too tight separation between mechanical parts is difficult, can prevent the hammer from falling after the installation part is taken down due to the connecting sleeve which is arranged at one end of the pin puller rod and used for preventing the hammer from falling, and is high in safety.

The embodiment of the utility model provides a realize like this, a machine part extracting tool, including being used for carrying out the pin puller that is connected with the fixed pin of waiting to extract and pulling out the head, machine part extracting tool still includes:

one end of the pin puller rod is connected with an installation part through a connecting sleeve, and the installation part is used for detachably connecting the pin puller head;

the striker is sleeved on the pin puller rod and can reciprocate along the side line direction of the pin puller rod;

and the limit stop is arranged at one end of the pin puller pulling head, which is far away from the pin puller rod, and is used for supplying the impact hammer to impact when the side line direction of the pin puller rod carries out reciprocating movement so as to generate impact force to pull out the fixed pin connected with the pin puller pulling head.

As a further aspect of the present invention: the mounting part is further provided with a locking piece which is used for detachably connecting the mounting part with the pin puller.

As a further aspect of the present invention: the installation department is including dress round pin head ware main part, regulation screw and spliced pole, dress round pin head ware main part lower extreme sets up the opening that is used for inserting the puller head, it sets up to adjust the screw dress round pin head ware main part side, and with the opening intercommunication that dress round pin head ware main part lower extreme was seted up, spliced pole fixed mounting be in dress round pin head ware main part upper end for carry out detachable connections with the adapter sleeve.

As a further aspect of the present invention: the ram comprises a sliding piece which is sleeved on the outer side of the pin puller rod and can slide relatively, and the upper end of the sliding piece is connected with an impact piece.

As a further aspect of the present invention: the ram further comprises a buffering boss, the buffering boss is arranged at one end, facing the limit stop, of the sliding piece, and a through hole is formed in the axis of the buffering boss.

Compared with the prior art, the beneficial effects of the utility model are that:

compared with the prior art, the mechanical part disassembling tool provided by the embodiment of the utility model comprises a pin puller pulling head and a pin puller rod, wherein one end of the pin puller rod is connected with an installation part through a connecting sleeve, the installation part is used for detachably connecting the pin puller pulling head, a ram is sleeved on the pin puller rod, and one end of the pin puller rod, which is far away from the pin puller pulling head, is provided with a limit stop; this machine part extracting tool is used for preventing the adapter sleeve that the ram dropped owing to install the one end at the pin puller pole, can prevent that the ram from taking place to drop danger after taking off the installation department, and the security is high, can prevent again that the ram from directly striking the installation department and causing the damage to the installation department when removing to the right side, has effectively improved machine part extracting tool's life to current pin puller ram is easy to be followed the landing of pin puller pole when dismantling the pin puller head, has the problem of the incident of easily taking place.

Drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic structural diagram of a mechanical part detaching tool according to an embodiment of the present invention.

Fig. 2 is a perspective view of a machine part removing tool according to an embodiment of the present invention.

Fig. 3 is a top view of a machine part removing tool according to another embodiment of the present invention.

Fig. 4 is a schematic structural view of a ram in a mechanical part removing tool according to another embodiment of the present invention.

Fig. 5 is a schematic structural view of an installation portion of a machine part removal tool according to another embodiment of the present invention.

Fig. 6 is a schematic structural view of a mechanical part detaching tool according to another embodiment of the present invention.

In the figure: 1-pin puller pulling head, 2-locking piece, 3-mounting part, 4-pin puller rod, 5-ram, 6-limit stop, 7-connecting sleeve, 8-holding piece, 9-sliding piece, 10-impact piece, 11-buffer boss, 12-through hole, 13-buffer piece, 14-pin puller main body, 15-adjusting screw hole and 16-connecting column.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly and clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1-2, for the utility model discloses a machine part extracting tool's that an embodiment provided a structure chart, machine part extracting tool is including being used for carrying out the pin puller pulling head 1 that is connected with the fixed pin of waiting to extract, machine part extracting tool still includes:

one end of the pin puller rod 4 is connected with a mounting part 3 (specifically a universal pin head mounting device) through a connecting sleeve 7, and the mounting part 3 is used for detachably connecting the pin puller head 1;

the ram 5 is sleeved on the pin puller rod 4, and the ram 5 can reciprocate along the side line direction of the pin puller rod 4;

and the limit stop 6 is arranged at one end of the pin puller head 1, which is far away from the pin puller rod 4, and is used for supplying the impact hammer 5 to impact when reciprocating movement is carried out in the sideline direction of the pin puller rod 4 so as to generate impact force to pull out the fixed pin connected with the pin puller head 1.

In the embodiment of the utility model, the utility model provides an in the embodiment, the utility model provides a machine part extracting tool is used for preventing the adapter sleeve 7 that the ram 5 dropped owing to install at the one end of pin puller pole 4, can prevent that the ram 5 from taking off installation department 3 after taking place to drop danger, and the security is high, can prevent again that ram 5 from directly striking installation department 3 and causing the damage to installation department 3 when removing to the right side, has effectively improved machine part extracting tool's life, and generally, ram 5 landing can cause danger in pin puller pole 4, uses during machine part extracting tool, installation department 3 can install earlier on the fixing pin that needs to be extracted, and is lighter and more handy, need not hold whole heavy machine part extracting tool, then is connected installation department 3 through adapter sleeve 7 and pin puller pole 4 when extracting the fixing pin.

The utility model discloses an in an example, the embodiment of the utility model provides a do not do the restriction to the concrete structural style of adapter sleeve 7, for example adapter sleeve 7 can be tubulose, U type, rectangular, triangle-shaped, L type can be even flat-plate-shaped, can be according to the adaptability adjustment of installation environment.

Further, as a preferred embodiment of the present invention, the mounting portion 3 is further provided with a locking member 2 for detachably connecting the mounting portion 3 and the pin puller head 1.

The embodiment of the utility model provides an in, through setting up retaining member 2 (specifically can be general dress round pin screw lid), can carry out detachable connections through retaining member 2 to the pin pulling out ware of different models pullout 1, can pack into the screw of M10, M8, M6, M5, M4 specification, improved the special limitation of pulling out the round pin head that needs.

In an embodiment of the present invention, the structure of the locking member 2 may also be other structures, for example, a screw, a nut, a buckle, a screw rod, etc., but not limited thereto, and in this embodiment, it is preferable that the locking member 2 is a screw.

It should be noted that two mechanical parts are connected and fixed by two threaded columns, a fixing nut on the threaded column is screwed out in the disassembling process, the two parts are still not separated, under the condition that the parts are not damaged, a pin puller is screwed into a threaded hole, and the parts are quickly pulled out by the force of a collision hammer 5 impacting a limit stop 6 on a pin puller rod 4. The pin pulling head of traditional pin pulling device is changed inconveniently, and what general pin pulling device had has the pin pulling head of several supporting different models for the screw hole of different models, it is inconvenient to use, and the pin pulling head has been lost and is difficult to the benefit back, just has not been when this model of needs. The mechanical part disassembling tool adopts the mounting part 3 to screw in and screw out through a screw to adjust the size of the hole of the pin head mounting device, and screws of M10, M8, M6, M5 and M4 specifications can be mounted, so that the limitation of special pin head pulling is improved.

As shown in fig. 3-5, further, as a preferred embodiment of the present invention, the installation portion 3 includes a pin head device main body 14, an adjusting screw hole 15 and a connecting column 16, an opening for inserting the pin head 1 of the pin head device is provided at the lower end of the pin head device main body 14, the adjusting screw hole 15 is provided at the side of the pin head device main body 14 and communicated with the opening provided at the lower end of the pin head device main body 14, and the connecting column 16 is fixedly installed at the upper end of the pin head device main body 14 and is used for detachable connection with the connecting sleeve 7.

The embodiment of the utility model provides an in, through having set up regulation screw 15, can carry out the screw in with retaining member 2 and screw out the opening size that adjusts the installation department 3 lower extreme, and then can pack into the pin puller of different specifications such as M10, M8, M6, M5, M4 and pull out head 1 (specifically can be the screw of different models), improved the special limitation of pulling out the head of pin of needs, effectively improved application scope.

Further, as the utility model discloses a preferred embodiment, ram 5 establishes including the cover the sliding part 9 that the pin puller pole 4 outside and relatively slidable, sliding part 9 upper end is connected with striking piece 10, striking piece 10 is used for striking limit stop 6 to produce the impact force and extract the fixed pin.

The embodiment of the utility model provides an in, through being provided with adapter sleeve 7 that anti-collision hammer 5 dropped, install and prevent that the landing causes danger in the ram 5 one end 5 follows pin puller pole 4 for connect the connection of general dress round pin head ware, general dress round pin head ware can install earlier on the fixed pin that needs were extracted, and is lighter and more handy, need not hold whole heavy pin puller.

The utility model discloses an in the example, general dress round pin head ware is installed in the one end of the adapter sleeve 7 that anticollision hammer 5 dropped, makes things convenient for the round pin ware to pull out in 1 screw in fixed pin of head, will pull out the general dress round pin head ware of round pin ware screw in again for the installation is more convenient, and it is more convenient to use.

Further, as the utility model discloses a preferred embodiment, ram 5 still includes buffering boss 11, sets up slider 9 orientation limit stop 6's one end, buffering boss 11 axle center department has seted up through-hole 12 for supply pin puller pole 4 to pass.

In an example of the present invention, the buffering boss 11 can play a role of buffering, and specifically can be made of rubber, plastic, metal, etc.

In another example of the present invention, the slider 9 is far away from the one end of the buffering boss 11 is provided with a buffering member 13, the buffering member 13 can play a buffering effect, the buffering member 13 can adopt an existing elastic structure, for example, can adopt an existing elastic element such as a coil spring, a torsion bar spring, a gas spring, a rubber spring, a leaf spring, a flat spiral spring, a pressure spring tube, and a corrugated tube, and a specific model is selected according to a requirement, and is not limited herein.

As shown in fig. 6, as a preferred embodiment of the present invention, a plurality of groups of parallel grips 8 are further installed outside the ram 5.

The embodiment of the utility model provides an in, can supply one or more people to hold through a plurality of holders 8, and then can drive the ram 5 and follow striking limit stop 6 when the sideline direction of pin puller pole 4 removes to the fixed pin that produces the impact force and pull out pin puller pullout 1 and connect is extracted.

In an example of the present invention, the grip 8 is disposed in an inclined manner, and the specific inclination angle of the grip 8 is not limited, and may be 15 °, 30 °, 60 °, and the like, and in this embodiment, it is preferable that the inclination angle of the grip 8 is 30 °.

In addition, it should be noted that, in the above embodiments, all the components in the mechanical part removing tool are connected by screw threads, and all the components are detachable. The connecting sleeve 7 is arranged at one end of the ram 5 to prevent the ram 5 from sliding off the pin puller rod 4 to cause danger, and is used for connecting a universal pin head mounting device, the universal pin head mounting device can be firstly arranged on a fixed pin to be pulled out, and the universal pin head mounting device is lighter and does not need to hold an overall heavy pin puller. The universal pin head mounting device can be used for mounting screws of M10, M8, M6, M5 and M4 specifications by screwing a screw out to adjust the size of the hole of the pin head mounting device, so that the limitation of needing a special pin head is improved.

The utility model discloses an implement the principle and do: use during the machine part extracting tool, installation department 3 can be installed earlier on the fixing pin that needs were extracted, and is lighter and more handy, need not hold whole heavy machine part extracting tool, then is connected installation department 3 with pin puller pole 4 through adapter sleeve 7 when extracting the fixing pin again, follows striker 5 the sideline direction of pin puller pole 4 strikes towards limit stop 6 to produce the impact force and extract the fixing pin that pin puller pull head 1 is connected, moreover, the adapter sleeve 7 that is used for preventing striker 5 to drop is installed to the one end of pin puller pole 4, can prevent that striker 5 from taking off installation department 3 back striker 5 and taking place danger of dropping, and the security is high, can prevent again that striker 5 from directly striking installation department 3 and causing the damage to installation department 3 when removing to the right side, has effectively improved machine part extracting tool's life.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element. The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete joining mode of each part all can adopt conventional means such as ripe bolt, rivet, welding among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a machine part extracting tool, is including being used for carrying out pin puller pulling head (1) of being connected with the fixed pin of waiting to extract, its characterized in that, machine part extracting tool still includes:

one end of the pin puller rod (4) is connected with the mounting part (3) through a connecting sleeve (7), and the mounting part (3) is used for detachably connecting the pin puller head (1);

the striker (5) is sleeved on the pin puller rod (4), and the striker (5) can reciprocate along the sideline direction of the pin puller rod (4);

and the limit stop block (6) is arranged at one end of the pin puller pulling head (1) and is used for supplying the impact hammer (5) to strike when reciprocating motion is carried out in the sideline direction of the pin puller rod (4) so as to generate impact force to pull out the fixing pin connected with the pin puller pulling head (1).

2. A machine part removal tool according to claim 1, wherein the mounting portion (3) is further provided with a locking member (2) for detachably connecting the mounting portion (3) to the pin remover bit (1).

3. The machine part disassembling tool according to claim 2, wherein the mounting portion (3) includes a pin head mounting body (14), an adjusting screw hole (15) and a connecting column (16), an opening for inserting the pin head (1) is formed at the lower end of the pin head mounting body (14), the adjusting screw hole (15) is formed in the side face of the pin head mounting body (14) and communicated with the opening formed at the lower end of the pin head mounting body (14), and the connecting column (16) is fixedly mounted at the upper end of the pin head mounting body (14) and detachably connected with the connecting sleeve (7).

4. The machine part disassembling tool according to claim 1, wherein the ram (5) comprises a sliding member (9) which is sleeved outside the pin puller rod (4) and can slide relatively, the upper end of the sliding member (9) is connected with a striking member (10), and the striking member (10) is used for striking the limit stop (6) to generate an impact force to pull out the fixing pin.

5. The machine part disassembling tool according to claim 4, wherein the ram (5) further comprises a buffering boss (11) disposed at an end of the sliding member (9) facing the limit stop (6), a through hole (12) is disposed at an axial center of the buffering boss (11) for the pin puller rod (4) to pass through, and a buffering member (13) is disposed at an end of the sliding member (9) far away from the buffering boss (11).

6. A tool for removing mechanical parts, according to any of claims 1-5, characterized in that a plurality of sets of parallel arranged gripping members (8) are mounted on the outside of said ram (5).