Infeed tool reciprocating grinder

Abstract

An internally inserted reciprocating tool grinder includes a pen-shaped housing, a working component disposed within the pen-shaped housing and driven by high-pressure gas, a grinding element that reciprocates with the working component, and a connecting component. The connecting component is assembled with the working component and drives the grinding element. The connecting component has an interior and an exterior depending on whether it is inserted into the pen-shaped housing. The interior provides a portion of the grinding element for insertion and housing, while the exterior includes a fixing member for securing the grinding element extending into the interior. This internally inserted reciprocating tool grinder solves the stress problems arising from conventional single-point locking by using an internally inserted assembly of the grinding element, and the internally inserted design also makes the grinding element more stable during implementation.

Description

Technical Field

[0001] This utility model provides a reciprocating grinding machine, and more particularly a reciprocating grinding machine in which the grinding parts are internally arranged. Background Technology

[0002] The pen-shaped reciprocating grinding machine disclosed in TWM665616 from Taiwan uses a grinding component (or polishing part) that is fixed to the mounting end of the grinding component described in the document. While a single-structure locking design for the grinding component is common, fixing only the end of the grinding component means that if the locking is not secure, the grinding component is prone to loosening and may even malfunction. Furthermore, this structure causes stress concentration at the joint, making the grinding component susceptible to damage from excessive stress during operation. Utility Model Content

[0003] The main purpose of this utility model is to solve the implementation problems arising from conventional structures.

[0004] To achieve the above objectives, this utility model provides an internal reciprocating tool grinder, comprising a pen-shaped housing, a working component disposed within the pen-shaped housing and driven by high-pressure gas, a grinding element that reciprocates with the working component, and a connecting component. The connecting component is assembled with the working component and drives the grinding element to move. The connecting component has an interior and an exterior depending on whether it is inserted into the pen-shaped housing. The interior provides a portion of the grinding element that extends into and is housed therein, and the exterior includes a fixing member for securing the grinding element extending into the interior of the housing.

[0005] In one embodiment, the outer shell of the connecting assembly includes a head piece providing the grinding element extending therein, the head piece having the fixing member provided thereon, and the inner shell includes a connecting tube, the two ends of which are respectively connected to the working assembly and the head piece.

[0006] In one embodiment, the head has a seat portion connected to the connecting tube and a tip portion connected to the seat portion. The tip portion is formed with a space communicating with the seat portion and providing the grinding member to extend therethrough, and a fixing member mounting hole communicating with the space so that the fixing member can abut against the grinding member when it is disposed therethrough.

[0007] In one embodiment, the seat has a first connecting hole, and the connecting tube has a second connecting hole that mates with the first connecting hole, and the first connecting hole and the second connecting hole provide a connecting element.

[0008] In one embodiment, the internal tool reciprocating grinder includes an auxiliary sleeve disposed within the pen-shaped housing and corresponding to the interior of the housing of the connecting assembly.

[0009] In one embodiment, the pen-shaped housing includes a plurality of housing members, one of which provides the auxiliary sleeve disposed therein.

[0010] In one embodiment, the working component includes a pneumatic drive and a swing arm driven by the pneumatic drive and connected to the connecting component.

[0011] The present invention has the following characteristics compared with conventional technology: the internal-feed reciprocating grinding machine of the present invention has the grinding part assembled internally, and part of the grinding part is inserted into the internal-feed reciprocating grinding machine, which can solve the stress problem caused by the conventional single-point locking, and the internal-feed setting of the grinding part can also make the grinding part more stable during implementation. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the internal tool reciprocating grinding machine of this utility model without the grinding parts installed;

[0013] Figure 2 This is a partial structural diagram of the internal feed reciprocating grinding machine of this utility model during the installation of the grinding parts;

[0014] Figure 3 This is a schematic diagram of the internal feed tool reciprocating grinding machine of this utility model, equipped with grinding parts.

[0015] [Symbol Explanation]

[0016] 20: Internal feed reciprocating tool grinder

[0017] 21: Pen-shaped casing

[0018] 211, 212: Shell components

[0019] 22: Working Components

[0020] 221: Pneumatic drive components

[0021] 222: Swing Arm

[0022] 23: Grinding parts

[0023] 24: Connecting components

[0024] 241: Inside the shell

[0025] 242: Shell exterior

[0026] 243: Fasteners

[0027] 244: Headpiece

[0028] 245: Connecting pipe

[0029] 246: Seat

[0030] 247: Tip

[0031] 248: Space

[0032] 249: Mounting holes for fasteners

[0033] 250: First connecting hole

[0034] 251: Second connecting hole

[0035] 253: Connector

[0036] 26: Auxiliary Set Detailed Implementation

[0037] Unless otherwise expressly stated or intentionally limited in number, the singular forms “a” and “the” used herein include the plural forms. Furthermore, the term “comprising” as used herein indicates the presence of the described features, elements, and / or components, but does not preclude the addition or presence of one or more other features, elements, components, and / or groups thereof.

[0038] The terms "first" and "second" used in this article are for distinguishing components, not for limiting the components to have a sequential relationship.

[0039] Please see Figures 1 to 3This utility model provides an internal reciprocating tool grinder 20, which can be considered a grinding machine in this field. The internal reciprocating tool grinder 20 includes a pen-shaped housing 21, a working component 22, a grinding element 23, and a connecting component 24. The working component 22 is disposed within the pen-shaped housing 21 and driven by high-pressure gas. The working component 22 is a pre-existing design of the internal reciprocating tool grinder 20 and will not be described in detail here. In one embodiment, the working component 22 includes a pneumatic drive 221 and a swing arm 222 driven by the pneumatic drive 221 and connected to the connecting component 24. The grinding element 23 is indirectly driven by the working component 22 and moves with the working component 22. During movement, the grinding element 23 will reciprocate relative to the pen-shaped housing 21, and the displacement axis of the grinding element 23 is horizontal with the extension axis of the pen-shaped housing 21. The grinding element 23 is basically implemented in the form of a long strip structure, with a length of up to 10 cm. The grinding element 23 can be an oilstone or a file. Continuing on this, to achieve an internally mounted grinding element 23, the present invention provides a connecting component 24 within the pen-shaped housing 21. The connecting component 24 is assembled with the working component 22 and drives the grinding element 23 to move. The connecting component 24 has an inner housing 241 and an outer housing 242 depending on whether it is inserted into the pen-shaped housing 21. The inner housing 241 provides for partial insertion and housing of the grinding element 23, while the outer housing 242 includes a fixing member 243 for fixing the grinding element 23 extending into the inner housing 241. Further, in one embodiment, the outer housing 242 of the connecting component 24 includes a head member 244 providing for the grinding element 23 to extend therein, and the fixing member 243 is disposed on the head member 244. Specifically, the head member 244 allows the grinding element 23 to extend into the housing 241 of the connecting assembly 24, achieving the internal insertion type described in this utility model. On the other hand, the housing 241 of the connecting assembly 24 includes a connecting tube 245, with its two ends connected to the working assembly 22 and the head member 244 respectively. The connecting tube 245 allows the grinding element 23 to enter and extend into the head member 244 (e.g., ...). Figure 2 As shown, the connecting tube 245 accommodates a portion of the grinding element 23. The length of the grinding element 23 extending into the housing 241 can be adjusted based on the length of the grinding element 23 or the allowable length of the connecting tube 245. Through the aforementioned structure, this invention eliminates the need for single-point locking of the end of the grinding element 23 in the internal tool reciprocating grinder 20. Instead, the stress problem arising from single-point locking is solved by the portion of the grinding element 23 extending into the housing 241. Furthermore, the length of the grinding element 23 available for grinding is no longer excessively limited; the length of the grinding element 23 exposed outside the pen-shaped housing 21 can be adjusted according to grinding requirements.

[0040] Please refer to the following: Figure 1 and Figure 3 In one embodiment, the head member 244 has a seat portion 246 connecting to the connecting tube 245, and a tip portion 247 connecting to the seat portion 246. The tip portion 247 is formed with a space 248 communicating with the seat portion 246 and providing through which the grinding member 23 extends, and a fixing member mounting hole 249 communicating with the space 248 so that the fixing member 243 can abut against the grinding member 23 when disposed therein. The extending direction of the fixing member mounting hole 249 intersects the extending direction of the space 248, preferably perpendicular, so that the fixing member 243 can reliably abut against the grinding member 23 and position the grinding member 23. On the other hand, the seat portion 246 of the head member 244 has a first connecting hole 250, and the connecting tube 245 has a second connecting hole 251 that mates with the first connecting hole 250. The first connecting hole 250 and the second connecting hole 251 provide a connecting member 253.

[0041] Please refer to the following: Figure 1 and Figure 3 In one embodiment, the internal tool reciprocating grinder 20 includes an auxiliary sleeve 26 disposed within the pen-shaped housing 21 and corresponding to the housing interior 241 of the connecting assembly 24. The auxiliary sleeve 26 is only used to restrict the direction of movement of the connecting tube 245 when driven by the working component 22, and is not used to fix the connecting tube 245. On the other hand, to facilitate the smooth assembly of the structure inside the housing 241 of the connecting assembly 24, the pen-shaped housing 21 includes a plurality of shell members 211 and 212, one of which provides the space for the auxiliary sleeve 26. These shell members 211 and 212 each have structures for assembly, such as threads.

[0042] The above description is merely a preferred embodiment of the present utility model and should not be construed as limiting the scope of the present utility model. All equivalent changes and modifications made in accordance with the claims of the present utility model should still fall within the scope of the patent of the present utility model.

Claims

1. An internal reciprocating tool grinder, comprising a pen-shaped housing, a working component disposed within the pen-shaped housing and driven by high-pressure gas, and a grinding element that reciprocates with the working component, characterized in that: The internal tool reciprocating grinder includes a connecting assembly that connects to the working assembly and drives the grinding element to move. The connecting assembly has an inner shell and an outer shell depending on whether it is inserted into the pen-shaped housing. The inner shell provides for the grinding element to extend into and be housed therein, and the outer shell includes a fixing member for fixing the grinding element extending toward the inner shell.

2. The internal feed reciprocating tool grinding machine as described in claim 1, characterized in that, The outer shell of the connecting assembly includes a head piece for extending the grinding element therein, the head piece having the fixing member thereon, and the inner shell includes a connecting tube, the two ends of which are respectively connected to the working assembly and the head piece.

3. The internal feed reciprocating tool grinding machine as described in claim 2, characterized in that, The head has a seat portion connected to the connecting tube and a tip portion connected to the seat portion. The tip portion is formed with a space communicating with the seat portion and providing the grinding part through it, and a mounting hole communicating with the space so that the fixing part can abut against the grinding part when it is installed therein.

4. The internal feed reciprocating tool grinding machine as described in claim 3, characterized in that, The seat has a first connection hole, and the connecting tube has a second connection hole that mates with the first connection hole. The first connection hole and the second connection hole provide a connecting element.

5. The internal feed reciprocating tool grinding machine as described in any one of claims 1 to 4, characterized in that, The internal tool reciprocating grinder includes an auxiliary sleeve disposed within the pen-shaped housing and corresponding to the interior of the housing of the connecting assembly.

6. The internal feed reciprocating tool grinding machine as described in claim 5, characterized in that, The pen-shaped housing comprises multiple housing parts, one of which provides the auxiliary sleeve disposed therein.

7. The internal feed reciprocating tool grinding machine as described in claim 1, characterized in that, The working assembly includes a pneumatic drive and a swing arm driven by the pneumatic drive and connected to the connecting assembly.

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