Manual deburring arm and manual deburring machine

Abstract

The utility model relates to a manual deburring arm and a manual deburring machine. The manual deburring arm comprises a support, a large arm is installed on the support, a small arm is installed at the end of the large arm, a motor assembly is installed at the end of the small arm, a quick-change clamp is installed at the downward output end of the motor assembly, and a grinding disc is installed on the quick-change clamp. The small arm is of a parallelogram structure, and the motor assembly is installed on a vertically-arranged supporting arm of the small arm. The support can be mounted on an external workbench, so that the deburring and polishing device is suitable for deburring and polishing in most working environments, and is particularly suitable for narrow and uneven situations; and the device is compact in appearance, small in size, light in weight, convenient to operate, high in flexibility in actual use and good in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of deburring equipment, in particular to a manual deburring arm and a manual deburring machine. Background Art

[0002] In the sheet metal industry, in order to meet the requirements of beautiful appearance or precision, the surface of the workpiece needs to be treated; a manual deburring machine is a device that grinds the surface of the workpiece, removes burrs on the workpiece surface, and chamfers the edges.

[0003] The manual deburring machine in the existing technology has problems such as heavy equipment weight, difficult single-person operation, complex grinding head fixing method, difficulty in replacing the grinding head, and the need for a certain amount of space. In actual use, the operation is limited and the flexibility is poor. Therefore, a manual deburring machine with high flexibility and easy operation is needed. Utility Model Content

[0004] In order to solve the above problems, the present application provides a manual deburring arm and a manual deburring machine with a reasonable structure, which are suitable for deburring and grinding in most working environments, especially in narrow and uneven situations; and have a compact appearance, small size, light weight, easy operation, high flexibility in actual use, and good practicality.

[0005] The technical solutions adopted in this utility model are as follows:

[0006] A manual deburring arm includes a support, a large arm is mounted on the support, a small arm is mounted on the end of the large arm, a motor assembly is mounted on the end of the small arm, a quick-change fixture is mounted on the output end of the motor assembly, and a grinding disc is mounted on the quick-change fixture; the small arm is a parallelogram structure, and the motor assembly is mounted on a support arm arranged vertically on the small arm.

[0007] As a further improvement of the above technical solution:

[0008] The support is a vertical rod structure, and the end of the upper arm is sleeved on the support; the end of the upper arm is fixedly installed with a vertical shaft rod, and the small arm is sleeved on the vertical shaft rod.

[0009] The support includes a support foot at the bottom, an optical axis is vertically installed on the support foot, and the end of the upper arm is sleeved on the optical axis; a clamping ring is fixed on the top surface of the upper arm end, and the clamping ring is sleeved on the optical axis along with the upper arm; the clamping ring is fixed to the optical axis by tightening with a fixing bolt.

[0010] The structure of the small arm is as follows: it includes arm 1 and arm 3 arranged in parallel at intervals, and arm 2 is installed on both ends of arm 1 and arm 3 so as to rotate together to form a parallelogram structure; arm 1 is vertically installed on the big arm, and a gas spring is installed between arm 1 and one of the arms 2.

[0011] The motor assembly includes a rotating seat arranged toward the forearm, the side of the rotating seat extends to form a circular portion, and a swing seat is installed on the rotating seat through the circular portion; a left and right angle adjustment mechanism is formed between the rotating seat and the swing seat, and a front and rear angle adjustment mechanism is installed between the swing seat and the forearm, and the front and rear angle adjustment mechanism adjusts the installation angle of the motor assembly relative to the forearm.

[0012] The structure of the front and rear angle adjustment mechanism is as follows: it includes a pin shaft installed through the forearm and the swing seat, and the swing seat rotates relative to the forearm with the pin shaft as the center of the circle; an arc groove is opened on the forearm, and the arc groove has the pin shaft as the center of the circle, and a locking bolt is installed through the arc groove toward the swing seat.

[0013] The motor assembly includes a motor base installed at the end of the forearm, a motor installed on the motor base, and a motor housing covering the motor; a handle fixedly installed around the outside of the motor base; and a touch screen installed on the upper arm.

[0014] A manual deburring machine comprises the manual deburring arm described in any one of the above, wherein the bottom end of the support of the manual deburring arm is equipped with a flange-structured support foot, and the support is mounted on a workbench via the support foot.

[0015] As a further improvement of the above technical solution:

[0016] The workbench is supported by a frame, and the bottom surface of the workbench located inside the frame is connected to a gas collecting cavity, and the bottom end of the gas collecting cavity is connected to the filter barrel through a pipeline; a negative pressure fan is installed on the pipeline.

[0017] The gas collecting cavity is in the shape of a trumpet with its opening facing upwards, and a through hole communicating with the gas collecting cavity is arranged on the workbench; a rubber pad is laid on the top surface of the workbench, and the same through holes are arranged on the rubber pad.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The manual deburring arm of the utility model can be used for deburring and grinding in most working environments by installing the support on an external workbench, especially suitable for narrow and uneven situations; and has a compact shape, small size, light weight, easy operation, high flexibility in actual use, and good practicality;

[0020] The utility model also has the following advantages:

[0021] The forearm adopts a parallelogram structure, which can effectively ensure that the motor assembly and quick-change fixture serving as the working head always keep moving downward during use, making it convenient for manual operation; through the setting of the gas spring inside the forearm, it can hover in the air in a preset posture under the action of the gas spring without being subject to external force, which is convenient for subsequent manual operation.

[0022] Through the left and right angle adjustment mechanism and the front and rear angle adjustment mechanism, the angle orientation of the working head in the front and rear directions and the left and right directions can be adjusted conveniently and quickly when needed to adapt to different usage occasions and needs, thereby improving the flexibility of use.

[0023] The workbench uses negative pressure to absorb the workpiece, effectively achieving and ensuring the relative fixation of the workpiece on the workbench, facilitating grinding operations, and at the same time being able to absorb dust and debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic structural diagram of the deburring arm of the utility model.

[0025] Figure 2 This is a structural diagram of the small arm and the motor assembly at its end of the utility model.

[0026] Figure 3 This is a schematic diagram of the configuration of the upper arm of the utility model on the support.

[0027] Figure 4 This is a schematic diagram of the front-rear angle adjustment mechanism between the forearm and the motor assembly of the present invention.

[0028] Figure 5 It is a schematic diagram of the assembly of the swing seat and the rotating seat of the utility model.

[0029] Figure 6 It is a schematic diagram of the assembly of the swing seat and the circular part of the utility model.

[0030] Figure 7 It is a structural diagram of the manual deburring machine of the utility model.

[0031] Figure 8 This is a schematic diagram of the layout of the gas collecting cavity inside the workbench of the utility model.

[0032] Among them: 1. Support; 2. Upper arm; 3. Vertical shaft; 4. Lower arm; 5. Motor assembly; 6. Handle; 7. Quick-change fixture; 8. Touch screen; 9. Workbench; 10. Grinding disc;

[0033] 11. Limit sleeve; 12. Optical axis; 13. Top cover;

[0034] 21. Snap ring; 22. Fixing bolt;

[0035] 41. Support arm 1; 42. Support arm 2; 43. Gas spring; 44. Support arm 3; 441. Arc groove;

[0036] 51. Motor base; 52. Motor; 53. Motor housing; 54. Pin; 55. Locking bolt; 56. Swing seat; 57. Rotating seat; 58. Bolt assembly; 59. Locking pin; 571. Round portion;

[0037] 90. Frame; 91. Filter barrel; 92. Negative pressure fan; 93. Pipeline; 94. Gas collecting cavity. DETAILED DESCRIPTION

[0038] The specific implementation of the present utility model will be described below with reference to the accompanying drawings.

[0039] like Figure 1 and Figure 2 As shown, a manual deburring arm of this embodiment includes a support 1, a large arm 2 is installed on the support 1, a small arm 4 is installed at the end of the large arm 2, a motor assembly 5 is installed at the end of the small arm 4, a quick-change fixture 7 is installed at the output end of the motor assembly 5, and a grinding disc 10 is installed on the quick-change fixture 7; the small arm 4 is a parallelogram structure, and the motor assembly 5 is installed on the support arm vertically arranged on the small arm 4.

[0040] In actual use, the manual deburring arm can be installed on an external workbench by mounting the support 1, and is suitable for deburring and grinding in most working environments, especially in narrow and uneven situations.

[0041] In this embodiment, the forearm 4 adopts a parallelogram structure. By installing and setting the forearm 4, it can effectively ensure that during use, the motor assembly 5 and the quick-change clamp 7 serving as the working head can be moved up and down through the forearm 4, and the working head can be kept facing downward at all times, which is convenient for manual operation.

[0042] The support 1 is a vertical rod structure, and the end of the upper arm 2 is sleeved on the support 1.

[0043] In this embodiment, a support 1 with a vertical rod structure is used as the structural support of the manual deburring arm, which facilitates the installation of the deburring arm on an external workbench without the need for a special workbench, effectively improving the adaptability in actual operation and enhancing the flexibility of use.

[0044] A vertical shaft 3 is fixedly installed at the end of the upper arm 2, and the lower arm 4 is mounted on the vertical shaft 3, thereby setting the side of the parallelogram structure of the lower arm 4 opposite to the motor assembly 5 as a vertical structure, effectively ensuring that the working head is always in a downward movement state when subjected to force.

[0045] like Figure 3As shown, the support 1 includes a support foot at the bottom, on which an optical axis 12 is vertically mounted, and the end of the upper arm 2 is sleeved on the optical axis 12; a retaining ring 21 is fixed to the top surface of the end of the upper arm 2, and the retaining ring 21 is sleeved on the optical axis 12 along with the upper arm 2; the retaining ring 21 is fixed to the optical axis 12 by locking with a fixing bolt 22.

[0046] In actual use, the height of the upper arm 2 relative to the support 1 can be adjusted according to actual needs. The specific operation method is: loosen the fixing bolt 22 to loosen the retaining ring 21 relative to the optical axis 12, apply force to the upper arm 2 to move it up or down along the optical axis 12 to a preset height, and then tighten the fixing bolt 22 to make the retaining ring 21 hug the optical axis 12, thereby fixing the upper arm 2 on the optical axis 12 after the height adjustment.

[0047] A limit sleeve 11 is further installed on the optical axis 12 below the upper arm 2 , and a top cover 13 is installed on the top surface of the optical axis 12 . The upper arm 2 can be adjusted in height on the optical axis 12 between the limit sleeve 11 and the top cover 13 .

[0048] like Figure 2 As shown, the structure of the small arm 4 is: it includes a support arm 1 41 and a support arm 3 44 arranged in parallel at intervals, and the two ends of the support arm 1 41 and the two ends of the support arm 3 44 are respectively and jointly rotatably installed with the support arm 2 42 to form a parallelogram structure; the support arm 1 41 is vertically installed on the upper arm 2, and a gas spring 43 is installed between the support arm 1 41 and one of the support arms 2 42.

[0049] In this embodiment, the support arm 1 41 in the small arm 4 is mounted on the vertical shaft 3, and the motor assembly 5 is installed on the support arm 3 44; through the vertical arrangement of the support arm 1 41, the vertical arrangement of the support arm 3 44 and the motor assembly 5 is effectively guaranteed during use, ensuring that the working head is always in a downward state.

[0050] In this embodiment, by setting the gas spring 43 inside the small arm 4, when not subject to external force, it can be suspended in the air in a preset posture under the action of the gas spring 43, which is convenient for subsequent manual operation.

[0051] like Figure 4 and Figure 5 As shown, the motor assembly 5 includes a rotating seat 57 arranged toward the forearm 4, and the side of the rotating seat 57 extends to form a circular portion 571, and the rotating seat 57 is installed with a swing seat 56 through the circular portion 571; a left-right angle adjustment mechanism is formed between the rotating seat 57 and the swing seat 56, and a front-back angle adjustment mechanism is installed between the swing seat 56 and the forearm 4, and the front-back angle adjustment mechanism adjusts the installation angle of the motor assembly 5 relative to the forearm 4.

[0052] Through the left and right angle adjustment mechanism and the front and rear angle adjustment mechanism, the angle orientation of the working head in the front and rear directions and the left and right directions can be adjusted conveniently and quickly when needed to effectively ensure the grinding of the grinding wheel 10, such as ensuring that the grinding wheel 10 is parallel to the working surface, etc., effectively improving the flexibility of use and being suitable for different usage occasions and usage needs.

[0053] In addition, with long-term use, slight deformation will occur between the machine head and the forearm 4. At this time, the angle between the machine head and the forearm 4 can be adjusted through the front and rear angle adjustment mechanism to eliminate the angle error caused by mechanical structure fatigue and wear.

[0054] like Figure 4 As shown, the structure of the front and rear angle adjustment mechanism is as follows: it includes a pin shaft 54 ​​installed through the forearm 4 and the swing seat 56, and the swing seat 56 rotates relative to the forearm 4 with the pin shaft 54 ​​as the center of the circle; an arc groove 441 is opened on the forearm 4, and the arc groove 441 takes the pin shaft 54 ​​as the center of the circle, and a locking bolt 55 is locked through the arc groove 441 toward the swing seat 56.

[0055] In this embodiment, when adjustment is needed, the locking bolt 55 can be slightly loosened so that the machine head can rotate to a suitable angle position relative to the forearm 4 with the pin shaft 54 ​​as the center, and the locking bolt 55 moves along the arc groove 441, and then the locking bolt 55 is tightened, thereby locking the machine head relative to the forearm 4, completing the angle adjustment of the machine head in the front and rear directions.

[0056] like Figure 6 As shown, the specific structure of the left and right angle adjustment mechanism is: a clamping structure consisting of two front and rear clamping blocks is formed at the end of the swing seat 56 facing the rotating seat 57, and the end faces of the two clamping blocks facing each other are respectively concave to form insertion holes for the circular part 571 of the rotating seat 57 to be equipped with; a bolt assembly 58 is commonly locked between the two clamping blocks located on the outside of the circular part 571; a locking pin 59 is also locked from the outside to the inside in the middle of a single clamping block, and the inner end of the locking pin 59 abuts against the wall of the circular part 571.

[0057] In actual use, the clamping block can be loosened by loosening the bolt assembly 58 to loosen the clamping of the circular portion 571, and then force can be applied to the rotating seat 57 to make the rotating seat 57 rotate relative to the swing seat 56 with the circular portion 571 as the center, thereby adjusting the angle of the machine head in all directions; after adjusting to the preset angle, the bolt assembly 58 is tightened to fix the swing seat 56 relative to the rotating seat 57.

[0058] The motor assembly 5 includes a motor base 51 installed at the end of the forearm 4, a motor 52 is installed on the motor base 51, and a motor housing 53 is covered above the motor 52; the output end of the motor 52 drives the grinding disc 10 to rotate via the quick-change fixture 7 to achieve grinding.

[0059] In this embodiment, the motor 52 can be a servo motor, which has high precision and can be directly adjusted in speed without the need for a speed reducer or a frequency converter.

[0060] In this embodiment, a quick-change fixture 7 is used to install the grinding wheel 10 at the lower end of the motor assembly 5, which is convenient for the installation, removal, replacement and use of the grinding wheel 10; the quick-change fixture 7 can adopt a conventional structural form in existing technology such as lathes and other equipment, which can realize the rapid installation and removal of the grinding wheel 10.

[0061] A handle 6 is fixedly mounted on the outside of the motor base 51 to facilitate manual operation by applying force to the working head through the handle 6 .

[0062] A touch screen 8 is installed on the arm 2, and the motor 52 in the motor assembly 5 can be turned on and off and the speed can be adjusted via the touch screen 8. Other information related to the operation can also be displayed via the touch screen 8.

[0063] In this embodiment, the rotating seat 57 can be fixed on the motor seat 51 as a part of the motor seat 51, so that the motor seat 51 can be installed relative to the forearm 4 via the rotating seat 57 and the swing seat 56, and can adjust the angle in the left and right directions and the front and back directions.

[0064] In this embodiment, the handle 6 arranged around the motor base 51 can be installed on the rotating base 57; thereby, the force applied by the handle 6 can be stably transmitted to the forearm 4 to realize the up and down movement of the working head.

[0065] In this embodiment, the cantilever composed of the upper arm 2 and the lower arm 4 can be made of aluminum alloy to contribute to the overall lightweight.

[0066] like Figure 7 As shown, the manual deburring machine of this embodiment includes any one of the manual deburring arms described above, and the bottom end of the support 1 of the manual deburring arm is equipped with a flange structure support foot, and the support 1 is installed on the workbench 9 via the support foot.

[0067] In this embodiment, the support 1 can be installed on the workbench 9 through the support feet of the flange mechanism, which is convenient for installation of the support 1, easy to operate, and flexible to use.

[0068] like Figure 8 As shown, the workbench 9 is supported by a frame 90 , and the bottom surface of the workbench 9 located inside the frame 90 is connected to a gas collecting cavity 94 , and the bottom end of the gas collecting cavity 94 is connected to the filter barrel 91 through a pipe 93 ; a negative pressure fan 92 is installed on the pipe 93 .

[0069] In this embodiment, the workbench 9 uses negative pressure to absorb the workpiece, which effectively realizes and ensures that the workpiece is relatively fixed on the workbench, facilitates the grinding operation, and can absorb dust and debris.

[0070] The gas collecting cavity 94 is in the shape of a trumpet with its opening facing upwards, and a through hole communicating with the gas collecting cavity 94 is provided on the workbench 9; a rubber pad is laid on the top surface of the workbench 9, and the rubber pad is provided with the same through holes.

[0071] In this embodiment, a rubber pad may be laid on the top surface of the workbench 9 to reduce or even avoid contact, wear, or even collision damage between the workbench 9 and the workpiece.

[0072] In actual use, a safety fence can also be set on the outside of the workbench 9. When in use, a person standing outside the safety fence operates the machine head through the handle 6 for grinding. The setting of the safety fence can effectively prevent damage caused by the workpiece flying out.

[0073] The utility model has the advantages of compact appearance, small volume, light weight, convenient operation, high flexibility in actual use and good practicality.

[0074] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0075] The above description is an explanation of the utility model, not a limitation of the utility model. The scope of the utility model is defined by the claims. Any form of modification can be made within the scope of protection of the utility model.

Claims

1. A manual deburring arm, characterized by: The invention comprises a support (1), a large arm (2) is mounted on the support (1), a small arm (4) is mounted on the end of the large arm (2), a motor assembly (5) is mounted on the end of the small arm (4), a quick-change fixture (7) is mounted on the output end of the motor assembly (5), and a grinding disc (10) is mounted on the quick-change fixture (7); the small arm (4) is a parallelogram structure, and the motor assembly (5) is mounted on a vertically arranged support arm of the small arm (4).

2. The manual deburring arm according to claim 1, characterized in that: The support (1) is a vertical rod structure, and the end of the upper arm (2) is sleeved on the support (1); the end of the upper arm (2) is fixedly mounted with a vertical shaft (3), and the lower arm (4) is sleeved on the vertical shaft (3).

3. The manual deburring arm according to claim 2, characterized in that: The support (1) includes a support foot at the bottom, an optical axis (12) is vertically mounted on the support foot, and the end of the upper arm (2) is sleeved on the optical axis (12); a clamping ring (21) is fixed to the top surface of the end of the upper arm (2), and the clamping ring (21) is sleeved on the optical axis (12) along with the upper arm (2); the clamping ring (21) is fixed to the optical axis (12) by being locked with a fixing bolt (22).

4. The manual deburring arm according to claim 1, characterized in that: The structure of the small arm (4) is as follows: it comprises a support arm 1 (41) and a support arm 3 (44) arranged in parallel at intervals, and the two ends of the support arm 1 (41) and the two ends of the support arm 3 (44) are respectively and jointly rotatably mounted with a support arm 2 (42), forming a parallelogram structure; the support arm 1 (41) is vertically mounted on the large arm (2), and a gas spring (43) is installed between the support arm 1 (41) and one of the support arms 2 (42).

5. The manual deburring arm according to claim 1, characterized in that: The motor assembly (5) includes a rotating seat (57) arranged toward the forearm (4), the rotating seat (57) extending from a side to form a circular portion (571), and the rotating seat (57) is mounted with a swing seat (56) via the circular portion (571); a left-right angle adjustment mechanism is formed between the rotating seat (57) and the swing seat (56), and a front-back angle adjustment mechanism is mounted between the swing seat (56) and the forearm (4), and the front-back angle adjustment mechanism is used to adjust the installation angle of the motor assembly (5) relative to the forearm (4).

6. The manual deburring arm according to claim 5, characterized in that: The structure of the front-back angle adjustment mechanism is as follows: it includes a pin shaft (54) installed on the small arm (4) and the swing seat (56), and the swing seat (56) rotates relative to the small arm (4) with the pin shaft (54) as the center of the circle; the small arm (4) is provided with an arc groove (441), the arc groove (441) has the pin shaft (54) as the center of the circle, and a locking bolt (55) is passed through the arc groove (441) and locked toward the swing seat (56).

7. The manual deburring arm according to claim 1, characterized in that: The motor assembly (5) comprises a motor base (51) mounted on the end of the small arm (4), a motor (52) mounted on the motor base (51), and a motor housing (53) covering the motor (52); a handle (6) fixedly mounted on the outside of the motor base (51); and a touch screen (8) mounted on the large arm (2).

8. A manual deburring machine, characterized by: The manual deburring arm comprises any one of claims 1 to 7, wherein the bottom end of the support (1) of the manual deburring arm is equipped with a flange-structured support foot, and the support (1) is installed on a workbench (9) via the support foot.

9. A manual deburring machine according to claim 8, characterized in that: The workbench (9) is supported by a frame (90); the bottom surface of the workbench (9) located inside the frame (90) is connected to a gas collecting cavity (94); the bottom end of the gas collecting cavity (94) is connected to the filter barrel (91) through a pipe (93); and a negative pressure fan (92) is installed on the pipe (93).

10. The manual deburring machine according to claim 9, characterized in that: The gas collecting cavity (94) is in the shape of a trumpet with its opening facing upwards, and a through hole communicating with the gas collecting cavity (94) is provided on the workbench (9); a rubber pad is laid on the top surface of the workbench (9), and the rubber pad is provided with the same through holes.

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