Fastening structure for preventing pen grinding seat from loosening

Abstract

The fastening structure comprises a fixing frame and the grinding pen base, a channel is formed in the fixing frame, the fixing frame is provided with a fastening hole communicated with the channel, the grinding pen base is used for installing a grinding pen and provided with a connecting part matched with the channel, and a flat opening is milled in the end, close to the fastening hole, of the connecting part in the length direction. The connecting part and the channel of the fixing frame are connected in an inserted mode and then fixed through the fastening piece, the fastening piece is installed in the fastening hole in a matched mode, and the structure can improve the connecting firmness of the grinding pen base and the fixing frame, guarantee machining safety and reduce abrasion.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of related equipment of grinding, especially relates to a fastening structure for preventing pencil grinding seat loosening. BACKGROUND

[0002] Pencil grinding is a commonly used tool for grinding workpieces, and when used, the pencil grinding is installed on the pencil grinding seat or clamp, and the pencil grinding seat is installed on the fixed support through the screw, and the fastening mode has the following problems: the screw fastening is easy to cause the damage, and the pencil grinding seat position is inconvenient to adjust; the screw is loose and slippery, and there is a machining safety hazard. UTILITY MODEL CONTENTS

[0003] The utility model discloses a fastening structure for preventing pencil grinding seat loosening.

[0004] In order to realize the above-mentioned purpose, the utility model provides a fastening structure for preventing pencil grinding seat loosening, including fixed frame, pencil grinding seat, the fixed frame inside is equipped with passageway, and the fixed frame is equipped with the fastening hole that communicates with the passageway, the pencil grinding seat is used to install the pencil grinding, and the pencil grinding seat is equipped with the connecting portion that communicates with the passageway, the flat mouth is milled to the one end of connecting portion along the length direction close to the fastening hole, and the connecting portion is inserted with the passageway of fixed frame and is fixed with fastener, and the fastener is installed in the fastening hole in cooperation, the fixed frame is formed by the detachable connection of upper fixed frame and lower fixed frame, and the fixed frame part located at the passageway port is provided with the clamp structure for the clamping connecting portion.

[0005] As preferred, the width of the flat mouth is 6mm-7mm, and the depth is 0.8mm-1.2mm.

[0006] As preferred, the first end of the pencil grinding is connected with the flange for pressing the workpiece.

[0007] As preferred, the pencil grinding is provided with a tapered section, and the end of the tapered section is provided with a spherical connector, the flange is provided with an arc-shaped clamping groove matched with the spherical connector, and the slot of the arc-shaped clamping groove is a tapered slot matched with the tapered section of the pencil grinding.

[0008] As preferred, the pencil grinding seat is provided with an insertion port for installing the pencil grinding along the height direction, and the pencil grinding and the pencil grinding seat are connected and fixed in a detachable mode.

[0009] As preferred, the pencil grinding seat and the pencil grinding are connected in a threaded mode.

[0010] As preferred, the pencil grinding seat and the pencil grinding are inserted and fastened by bolts or pins, one end of the pencil grinding seat away from the connecting portion is provided with an opening communicated with the insertion port, and the side surface of the one end of the pencil grinding seat away from the connecting portion is provided with a connecting hole for installing the bolt or pin, and the connecting hole is vertically communicated with the opening.

[0011] Preferably, the fastener is a screw, and one end of the screw exposed on the outside of the grinding pen holder is provided with a handle.

[0012] Preferably, the grinding pen has a scale on its outer side, and the grinding pen holder has an indicator for assisting in reading the scale.

[0013] The beneficial effects of this utility model are as follows: This utility model sets a connecting part for the grinding pen holder to be inserted into the channel on the fixed frame. The connecting part has a flat opening milled along its length. The fixed frame is equipped with a clamp structure. After the connecting part and the channel of the fixed frame are inserted, they are fixed with fasteners and clamps. The design of the flat opening and the clamp structure can increase the contact surface for locking the connecting part, prevent the fasteners from loosening and slipping, reduce wear, and ensure the safety of processing. The connection between the connecting part and the channel of the fixed frame allows the length of the grinding pen holder extending out of the fixed frame to be adjusted according to the processing surface requirements, better meeting the needs of differentiated processing.

[0014] The features and advantages of this utility model will be described in detail through embodiments and accompanying drawings. Attached Figure Description

[0015] Figure 1 This is a left view of an embodiment of the present utility model.

[0016] Figure 2 This is a top view of an embodiment of the present utility model.

[0017] In the diagram: 1. Fixture; 2. Fastener; 3. Grinding pen holder; 4. Grinding pen; 5. Flange; 6. Workpiece; 7. Grinding disc; 31. Connecting part; 32. Flat opening. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. In the description of this application, it should be noted that the terms "inner," "outer," etc., indicating orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationships commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0019] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "setup" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0020] The present invention will now be described in detail with reference to the accompanying drawings.

[0021] See Figure 1 , Figure 2 This embodiment provides a fastening structure to prevent the grinding pen holder from loosening, including a fixing frame 1 and a grinding pen holder 3. The fixing frame 1 has a channel inside and a fastening hole communicating with the channel. The grinding pen holder 3 is used to install a grinding pen 4 and has a connecting part 31 adapted to the channel. The end of the connecting part 31 near the fastening hole has a flat opening 32 milled along its length. After the connecting part 31 is inserted into the channel of the fixing frame 1, it is fixed with a fastener 2. The fastener 2 is fitted into the fastening hole. The fixing frame is detachably connected by an upper fixing frame and a lower fixing frame. The fixing frame portion located at the channel port is provided with a clamping structure for clamping the connecting part. By providing the flat opening 32, the contact surface between the fastener and the connecting part 31 can be increased. The clamping structure can better prevent the fastener from loosening and slipping, thereby better ensuring the installation firmness between the grinding pen holder 3 and the fixing frame 1. To further improve the connection firmness, multiple fastening holes can be provided on the fixing frame 1, and multiple fasteners can be used to fix the connecting part 31 of the grinding pen holder 3 at multiple points. The upper and lower fixing frames can be connected by pins or screws.

[0022] As one embodiment, the width of the flat opening 32 is 6mm-7mm, and the depth is 0.8mm-1.2mm. The width and depth of the flat opening 32 can be set according to the installation and fastening requirements. The width of the flat opening 32 can be 6mm, 6.2mm, 6.4mm, 6.7mm, or 7mm, and the depth can be 0.8mm, 0.9mm, 1mm, or 1.2mm.

[0023] As one implementation method of the embodiment, see Figure 1 The first end of the grinding pen 4 is connected to the flange 5 used to press the workpiece 6.

[0024] Furthermore, the grinding pen 4 is provided with a tapered section, and the end of the tapered section is provided with a spherical connector. The flange 5 is provided with an arc-shaped groove that is compatible with the spherical connector. The groove opening of the arc-shaped groove is a tapered groove that is compatible with the tapered section of the grinding pen 4. It can be rotated and finely adjusted through the arc-shaped groove to adapt to pressing workpieces of different surface sizes, thereby better meeting the processing requirements of different surface shapes of workpieces.

[0025] As one embodiment, the grinding pen holder 3 is provided with an interface for mounting the grinding pen 4 along the height direction. The grinding pen 4 and the grinding pen holder 3 are connected and fixed in a detachable manner. The interface has a certain limiting effect on the grinding pen 4 to reduce the shaking of the grinding pen, making it easy to assemble and disassemble the grinding pen. The mounting height of the grinding pen can be adjusted according to processing requirements.

[0026] In one embodiment, the grinding pen holder 3 and the grinding pen 4 are connected by a thread.

[0027] In one embodiment, the grinding pen holder 3 and the grinding pen 4 are inserted and fastened by bolts or pins. The end of the grinding pen holder 3 away from the connecting part 31 is provided with an opening that communicates with the insertion interface. The side of the end of the grinding pen holder 3 away from the connecting part 31 is provided with a connecting hole for installing bolts or pins. The connecting hole communicates perpendicularly with the opening.

[0028] As one embodiment, the fastener is a screw, and a handle is provided on one end of the screw exposed on the outside of the grinding pen holder 3 to facilitate the user to tighten the screw.

[0029] As one embodiment, the grinding pen 4 is provided with a scale on its outer side, and the grinding pen base 3 is provided with an indicator for assisting in reading the scale, so as to facilitate quick adjustment of the installation height of the grinding pen 4 as needed. Of course, the scale can also be provided on the connecting part 31 and the indicator can be provided on the fixing frame 1, so as to facilitate the user to quickly adjust the length of the connecting part 31 extending out of the fixing frame 1 as needed.

[0030] The working process of this utility model:

[0031] During operation, the fastening structure that prevents the grinding pen holder from loosening involves placing the workpiece 6 to be processed on the grinding disc 7, inserting the connecting part 31 of the grinding pen holder 3 into the channel of the fixing frame 1, and tightening the connecting part 31 by turning the screw to fix the grinding pen holder 3. The grinding pen 4 is inserted into the grinding pen holder 3 and tightened with bolts and nuts. The lower end of the grinding pen 4 is connected to the flange 5, which presses down on the workpiece 6. When the grinding disc 7 rotates, it will rotate with the workpiece 6. During processing, the surface shape of the workpiece can be controlled by adjusting the length of the connecting part 31 of the grinding pen holder 3 extending out of the channel inside the fixing frame 1.

[0032] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. A fastening structure for preventing the grinding pen holder from loosening, characterized in that: The device includes a mounting bracket and a grinding pen holder. The mounting bracket has an internal channel and a fastening hole that communicates with the channel. The grinding pen holder is used to mount a grinding pen and has a connecting part that adapts to the channel. One end of the connecting part near the fastening hole has a flat opening milled along its length. After the connecting part is inserted into the channel of the mounting bracket, it is fixed with fasteners. The fasteners are fitted into the fastening hole. The mounting bracket is detachably connected by an upper mounting bracket and a lower mounting bracket. The mounting bracket portion located at the channel port is provided with a clamping structure for clamping the connecting part.

2. The fastening structure for preventing the grinding pen holder from loosening as described in claim 1, characterized in that: The width of the flat opening is 6mm-7mm, and the depth is 0.8mm-1.2mm.

3. The fastening structure for preventing the grinding pen holder from loosening as described in claim 1, characterized in that: The first end of the grinding pen is connected to a flange used to press the workpiece.

4. The fastening structure for preventing the grinding pen holder from loosening as described in claim 3, characterized in that: The grinding pen is provided with a tapered section, and a spherical connector is provided at the end of the tapered section. The flange is provided with an arc-shaped groove that is adapted to the spherical connector, and the opening of the arc-shaped groove is a tapered groove that is adapted to the tapered section of the grinding pen.

5. The fastening structure for preventing the grinding pen holder from loosening as described in claim 1, characterized in that: The grinding pen holder has an interface for mounting the grinding pen along its height direction, and the grinding pen and the grinding pen holder are connected and fixed in a detachable manner.

6. The fastening structure for preventing the grinding pen holder from loosening as described in claim 5, characterized in that: The grinding pen holder and the grinding pen are connected by a thread.

7. The fastening structure for preventing the grinding pen holder from loosening as described in claim 5, characterized in that: The grinding pen holder and the grinding pen are inserted and fastened by bolts or pins. The end of the grinding pen holder away from the connecting part is provided with an opening that communicates with the insertion interface. The side of the end of the grinding pen holder away from the connecting part is provided with a connecting hole for installing bolts or pins. The connecting hole communicates perpendicularly with the opening.

8. The fastening structure for preventing the grinding pen holder from loosening as described in claim 1, characterized in that: The fastener is a screw, and a handle is provided at one end of the screw exposed on the outside of the grinding pen holder.

9. The fastening structure for preventing the grinding pen holder from loosening as described in any one of claims 1 to 8, characterized in that: The grinding pen has a scale on its outer side, and the grinding pen base has an indicator for assisting in reading the scale.

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