A new tool changing structure of a sander

Abstract

The utility model relates to the technical field of planing and sanding machine, disclose a novel tool changing structure of planing and sanding machine, include: machine frame includes left side seat and right side seat, the upper end surface of left side seat is fixed with more than one slider, the upper end surface of right side seat is fixed with more than one slider, the upper cover plate is installed between left side seat and right side seat, the both sides of upper cover plate are equipped with the guide rail of cooperation with slider respectively, the both sides of upper cover plate are installed rotatable gyro wheel respectively, upper cover plate is equipped with bearing support on the front and back position, the front end and rear end of cutting main shaft are connected with bearing support respectively, the even setting planer blade is installed on cutting main shaft, the upper cover plate can be pulled relative to frame to replace the planer blade on cutting main shaft, the utility model discloses the extraction mode is convenient for planer blade replacement, and four -legged stand support increases structural stability.

Description

Technical Field

[0001] This utility model relates to the field of sanding machine technology, and in particular to a novel blade changing structure for a sanding machine. Background Technology

[0002] In industries such as wood processing and furniture manufacturing, planing machines (or planing equipment) are widely used for planing, sanding, and other processing of wood board surfaces. Traditional planing machines typically use a fixed cutter shaft structure with many planing blades installed on it. These blades need to be replaced every 3-5 months. Because the fixed cutter shaft structure is installed inside the machine frame, manual blade replacement is cumbersome and inefficient.

[0003] Therefore, improvements are needed. Utility Model Content

[0004] The technical problem solved by this utility model is to address the deficiencies in the prior art by providing a novel blade changing structure for a sander, thereby resolving the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a novel tool changing structure for a sander, comprising: a frame, the frame including a left side seat and a right side seat arranged parallel to the left side seat; one or more sliders are fixedly installed on the upper surface of the left side seat; one or more sliders are fixedly installed on the upper surface of the right side seat; an upper cover plate, the upper cover plate being installed between the left side seat and the right side seat; guide rails cooperating with the sliders of the left side seat and the right side seat are respectively provided on both sides of the upper cover plate; rotatable rollers are respectively installed on both sides of the upper cover plate, the rollers contacting the end faces of the left side seat and the right side seat respectively; bearing brackets are provided at the front and rear positions of the upper cover plate; a cutting spindle, the front end and rear end of the cutting spindle being connected to the bearing brackets respectively; planing blades are evenly arranged on the cutting spindle; wherein, the upper cover plate can be pulled out relative to the frame to replace the planing blades on the cutting spindle.

[0006] Furthermore, the upper cover plate is provided with a handle at the end in the pulling direction.

[0007] Furthermore, the left side seat includes a left side plate and left columns respectively disposed at the front and rear ends of the left side plate; the right side seat includes a right side plate and right columns respectively disposed at the front and rear ends of the right side plate.

[0008] Furthermore, the upper cover plate includes an auxiliary wheel assembly, which includes an L-shaped support rod and a roller; the L-shaped support rod extends to the lower end face of the right side plate, and the roller is mounted on the L-shaped support rod and contacts the lower end face of the right side plate.

[0009] Furthermore, a first stop is provided on the ends of the left and right side plates away from the pulling direction, and the first stop is used to block the end of the upper cover plate.

[0010] Furthermore, the right side plate extends outward from the edge away from the upper cover plate to form a support arm for protecting the guide rail.

[0011] Furthermore, it includes a locking device, wherein there is one or more locking devices, and the locking devices are disposed at the end of the cutting spindle; the locking device includes a connecting block mounted on the cutting spindle and a fixing block fixed on the machine tool, the end of the connecting block is provided with an opening, and the fixing block has an upwardly protruding shaft, the opening is placed behind the shaft and locked by fasteners.

[0012] Furthermore, it includes a support rod for positioning the handle of the upper cover plate after it has been moved out.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] Pull-out design: The entire cutting spindle can be moved out of the frame via a guide rail-slider structure with the upper cover plate and end face rollers for auxiliary sliding. The cutting spindle's planing blades have a replaceable space, avoiding the need for manual blade replacement at the corresponding tool shaft structure on the frame, as required by traditional fixed tool shaft structures. This shortens tool change time and improves tool change efficiency.

[0015] Enhanced dynamic stability: The auxiliary wheel assembly forms a rolling support with the lower end face of the right side plate, and together with the end face contact rollers on both sides of the upper cover plate, a three-point rolling system is formed, reducing frictional resistance during the pulling process.

[0016] Stable structure: The frame has four uprights, which makes it more stable and ensures more stable processing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the structure of this utility model from another angle.

[0019] Figure 3 This is an exploded structural diagram of the present invention.

[0020] Figure 4 This is a schematic diagram of the frame structure.

[0021] Figure 5 This is a structural diagram of the top cover plate.

[0022] Figure 6 This is a schematic diagram of the cutting spindle.

[0023] Figure 7 This is a schematic diagram of the structure of this utility model.

[0024] Figure 8 This is a schematic diagram of the structure of this utility model from another angle.

[0025] Figure 9 This is a schematic diagram of the locking device.

[0026] Figure 10 This is a structural diagram of the support rod.

[0027] Reference numerals: 1. Frame; 2. Left side seat; 3. Right side seat; 4. Slider; 5. Top cover plate; 6. Guide rail; 7. Roller; 8. Bearing bracket; 9. Cutting spindle; 10. Planer blade; 11. Handle; 12. Left side plate; 13. Left column; 14. Right side plate; 15. Right column; 16. Auxiliary wheel assembly; 17. First stop block; 18. Support arm; 19. Locking device; 20. Connecting block; 21. Fixing block; 22. Opening; 23. Shaft; 24. Support rod. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings.

[0029] The embodiments described with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, 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 limiting this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "several" or "more than" means two or more, unless otherwise explicitly specified. In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., 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 mechanical connection or an electrical 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 according to the specific circumstances. In this application, unless otherwise expressly specified and limited, "above" or "below" a second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. Moreover, "above," "over," and "on top" of a second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of a second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0030] In view of the technical problems described in the background art, as shown in the figure, a novel blade changing structure for a sander is provided, comprising: a frame 1, the frame 1 including a left side seat 2 and a right side seat 3 arranged parallel to the left side seat 2; one or more sliders 4 are fixedly installed on the upper surface of the left side seat 2; one or more sliders 4 are fixedly installed on the upper surface of the right side seat 3; an upper cover plate 5, the upper cover plate 5 being installed between the left side seat 2 and the right side seat 3; the upper cover plate 5 having sliders 4 on both sides respectively connected to the sliders 4 of the left side seat 2, The slider 4 of the right seat 3 is fitted with a guide rail 6; rotatable rollers 7 are respectively installed on both sides of the upper cover plate 5, and the rollers 7 are in contact with the end faces of the left seat 2 and the right seat 3 respectively; the upper cover plate 5 is provided with bearing brackets 8 at the front and rear positions; a cutting spindle 9 is provided, and the front and rear ends of the cutting spindle 9 are respectively connected to the bearing brackets 8; planing blades 10 are evenly arranged on the cutting spindle 9; wherein, the upper cover plate 5 can be pulled out relative to the frame 1 to replace the planing blades 10 on the cutting spindle 9.

[0031] In the above technical solution, a novel blade changing structure for a sander mainly comprises three parts: a frame 1, an upper cover plate 5, and a cutting spindle 9. Through optimized design, the upper cover plate 5 can be pulled and moved along the frame 1, exposing the cutting spindle 9 for easy and quick replacement of the planer blades 10, thus improving maintenance efficiency.

[0032] The frame 1 adopts a symmetrical design, including a left seat 2 and a right seat 3. At least one slider 4 is fixedly installed on the upper surface of both the left seat 2 and the right seat 3. Preferably, there are two sliders 4, which are used to slide in cooperation with the guide rail 6 of the upper cover plate 5.

[0033] The top cover plate 5 has a rectangular frame structure. Guide rails 6 are provided on both sides of the bottom of the top cover plate 5 to match the slider 4 of the frame 1, ensuring smooth sliding. Rotatable rollers 7 are installed on both sides of the top cover plate 5. The number of rollers 7 can be selected according to actual needs. The rollers 7 contact the end faces of the left side plate 12 and the right side plate 14 to reduce frictional resistance.

[0034] The cutting spindle 9 is mounted to the bearing bracket 8 of the upper cover plate 5 via bearings, and multiple sets of planing blades 10 are evenly mounted on its outer circumference and fastened with bolts.

[0035] The specific tool changing process is as follows: Loosen the locking device of the cutting spindle 9, pull the upper cover plate 5 outward until the entire cutting spindle 9 is moved outward, use a bracket to support one side of the cutting spindle 9, after the cutting spindle 9 is fully exposed, remove the old cutting tool and replace it with a new cutting tool. Push the upper cover plate 5 back to its original position, lock the cutting spindle 9, and the operation can be resumed.

[0036] The entire cutting spindle 9 can be moved out of the frame 1 by the cooperation structure between the upper cover plate 5 and the guide rail 6-slider 4 of the frame 1, combined with the auxiliary sliding of the end face roller 7. The planing blade 10 of the cutting spindle 9 has a replacement space, which avoids the need for manual replacement of the planing blade 10 in the corresponding tool shaft structure of the frame 1 in the traditional fixed tool shaft structure, shortening the tool changing time and improving the tool changing efficiency; the roller 7 set on the upper cover plate 5 can reduce the frictional resistance during the rolling process.

[0037] Preferably, the upper cover plate 5 is provided with a handle 11 at the end in the pulling direction. The handle 11 is welded or bolted to the pulling end of the upper cover plate 5 to facilitate the operator to apply force.

[0038] Preferably, the left side seat 2 includes a left side plate 12 and left columns 13 respectively disposed at the front and rear ends of the left side plate 12; the right side seat 3 includes a right side plate 14 and right columns 15 respectively disposed at the front and rear ends of the right side plate 14.

[0039] The left side seat 2 consists of a left side plate 12 and a left column 13 welded to its front and rear ends. The right side seat 3 consists of a right side plate 14 and a right column 15 welded to its front and rear ends. The frame 1 has four columns on its four legs, making the machining process more stable and less prone to shaking.

[0040] As shown in the figure, the upper cover plate 5 includes an auxiliary wheel assembly 16, which includes an L-shaped support rod and a roller 7. The L-shaped support rod extends to the lower end face of the right side plate 14, and the roller 7 is mounted on the L-shaped support rod and contacts the lower end face of the right side plate 14.

[0041] The auxiliary wheel assembly 16 forms a rolling support with the lower end face of the right side plate 14, and together with the end face contact rollers 7 on both sides of the upper cover plate 5, a three-point rolling system is formed to reduce frictional resistance during the pulling process.

[0042] The left side plate 12 and the right side plate 14 are provided with first stops 17 at their ends away from the pulling direction. The first stops 17 are used to block the end of the upper cover plate 5. The first stops 17 are installed on the ends of the left side plate 12 and the right side plate 14 away from the pulling direction. The first stops 17 are fixed to the frame 1 with bolts. Their position must be accurate to effectively block the end of the upper cover plate 5 and realize the positioning detection.

[0043] Furthermore, the right side plate 14 extends outward from the edge away from the upper cover plate 5 to form a support arm 18 for protecting the guide rail 6.

[0044] Further, a locking device 19 is included, wherein there is one or more locking devices 19, preferably two, with the two locking devices 19 respectively located at the ends of the cutting spindle 9; each locking device 19 includes a connecting block 20 mounted on the cutting spindle 9 and a fixing block 21 fixed to the machine tool. The end of the connecting block 20 is provided with an opening 22, and the fixing block 21 has an upwardly protruding shaft 23. The opening 22 is placed on the shaft 23 and then locked by fasteners. Preferably, it can be fixed by screws. By providing locking devices 19 to further lock the cutting spindle 9 to the machine tool, it is not easy to shake, thus improving machining accuracy.

[0045] It includes a support rod 24, which is used to support the position of the handle 11 of the upper cover plate 5 after it has been moved out.

[0046] The above does not limit the technical scope of this utility model. Any modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of this utility model shall still fall within the scope of the technical solution of this utility model.

Claims

1. A novel blade changing structure for a sander, characterized in that, include: The frame includes a left side seat and a right side seat arranged parallel to the left side seat; one or more sliders are fixedly installed on the upper surface of the left side seat; one or more sliders are fixedly installed on the upper surface of the right side seat. The upper cover plate is installed between the left side seat and the right side seat; the upper cover plate has guide rails on both sides that cooperate with the slider of the left side seat and the slider of the right side seat respectively; rotatable rollers are installed on both sides of the upper cover plate, and the rollers contact the end faces of the left side seat and the right side seat respectively; the upper cover plate has bearing brackets at the front and rear positions. A cutting spindle, the front end and the rear end of which are respectively connected to the bearing bracket; planing blades are evenly arranged on the cutting spindle; The upper cover plate can be pulled out relative to the frame to replace the planer blades on the cutting spindle.

2. The novel blade changing structure of the sander according to claim 1, characterized in that: The upper cover plate is provided with a handle at the end in the pulling direction.

3. The novel blade changing structure of the sander according to claim 2, characterized in that: The left side seat includes a left side plate and left columns respectively disposed at the front and rear ends of the left side plate; the right side seat includes a right side plate and right columns respectively disposed at the front and rear ends of the right side plate.

4. The novel blade changing structure of the sander according to claim 3, characterized in that: The upper cover plate includes an auxiliary wheel assembly, which includes an L-shaped support rod and a roller; the L-shaped support rod extends to the lower end face of the right side plate, and the roller is mounted on the L-shaped support rod and contacts the lower end face of the right side plate.

5. The novel blade changing structure of the sander according to claim 4, characterized in that: The left and right side plates are provided with a first stop block at the ends away from the pull-out direction. The first stop block is used to block the end of the upper cover plate.

6. The novel blade changing structure of the sander according to claim 3, characterized in that: The right side plate extends outward from the edge away from the top cover plate to form a support arm for protecting the guide rail.

7. The novel blade changing structure of the sander according to claim 1, characterized in that: The device includes a locking device, which is one or more, and is disposed at the end of the cutting spindle. The locking device includes a connecting block mounted on the cutting spindle and a fixing block fixed on the machine tool. The end of the connecting block is provided with an opening, and the fixing block has an upwardly protruding shaft. The opening is placed behind the shaft and locked by fasteners.

8. The novel blade changing structure of the sander according to claim 2, characterized in that: Includes a support rod for positioning the handle of the upper cover plate after it has been moved out.

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