Additive grinding device

Abstract

The utility model discloses an additive material polishing device, relates to the technical field of additive material manufacturing, solves the problem that a traditional polishing tool is difficult to carry out efficient and accurate surface treatment on an additive material manufacturing part, and is characterized in that a workpiece fixing table is used for clamping the additive material manufacturing part, and a polishing head is used for polishing the additive material manufacturing part; the workpiece fixing table and the grinding head are both installed on the transmission mechanism, lifting and rotating of the workpiece fixing table and transverse moving, lifting and rotating of the grinding head are achieved through the transmission mechanism, the surfaces of additive manufacturing parts are ground, the machining precision is improved, the device can adapt to grinding of parts in complex shapes, the grinding precision and consistency are improved, and the machining efficiency is improved. Through the design of various grinding tools and flexible grinding heads, the device is suitable for post-treatment of parts made of different materials such as metal, plastic and ceramic, is compact in structure and easy to operate, can efficiently operate in a small space, and meets the post-treatment requirements of various additive manufacturing parts.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of additive manufacturing, especially to an additive polishing device. BACKGROUND

[0002] Additive manufacturing (3D printing) technology has been widely used in many fields of manufacturing industry, but in the manufacturing process, there are usually many uneven or rough phenomena on the surface of the product, especially for complex-shaped parts, the traditional polishing tool is difficult to realize efficient and accurate surface treatment, manual operation is not only time-consuming and unstable. UTILITY MODEL CONTENT

[0003] In view of the problem that the traditional polishing tool is difficult to realize efficient and accurate surface treatment of additive manufacturing parts, the utility model aims to provide an additive polishing device, which can efficiently and automatically polish additive manufacturing parts to improve production efficiency and surface quality.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme that:

[0005] An additive polishing device, comprising:

[0006] A main frame, the main frame comprises: a fixed base 26, a rectangular support column 15 and a top beam, the bottom end of the rectangular support column 15 is connected with the fixed base 26, and the top end of the rectangular support column 15 is connected with one end of the top beam;

[0007] A support seat 25, the support seat 25 is slidingly installed on the fixed base 26, and the support seat 25 is used for transferring additive manufacturing parts;

[0008] A lifting mechanism and a workpiece fixing table, the workpiece fixing table is slidingly installed in the rectangular support column 15 through the lifting mechanism, a fourth driving motor 17 is installed at the bottom of the rectangular support column 15, the fourth driving motor 17 is used for driving the lifting mechanism to run and realize the sliding movement of the workpiece fixing table along the rectangular support column 15, and the workpiece fixing table is arranged above the fixed base 26;

[0009] The workpiece fixing table comprises: a third driving motor 16 and a clamp structure 19, the third driving motor 16 is slidingly installed in the rectangular support column 15, the output shaft of the third driving motor 16 is parallel to the top beam, and the clamp structure 19 is installed on the output shaft of the third driving motor 16, and the clamp structure 19 is used for clamping the additive manufacturing parts on the support seat 25;

[0010] The transmission mechanism and polishing structure 8, the transmission mechanism comprises: front and rear displacement device, left and right displacement device and lifting device, the front and rear displacement device is installed on the top beam, the left and right displacement device is installed on the front and rear displacement device, the lifting device is installed on the left and right displacement device, the polishing structure 8 is installed on the lifting device, the front and rear displacement device, the left and right displacement device and the lifting device are used to realize the front and rear displacement, the left and right displacement and the lifting of the polishing structure 8 respectively, and the polishing structure 8 is used to polish the additive manufacturing part located on the clamp structure 19.

[0011] The additive polishing device, wherein the main frame further comprises: a support frame 13, both ends of the support frame 13 are connected with the rectangular support column 15 and the top beam respectively, and the support frame 13 is used to support the top beam.

[0012] The additive polishing device, wherein the front and rear displacement device comprises: a first sliding rail assembly, a first driving member and a sliding block 4, the sliding block 4 is slidingly installed on the top beam through the first sliding rail assembly, and the first driving member is used to drive the sliding block 4 to displace forward and backward on the top beam.

[0013] The additive polishing device, wherein the left and right displacement device comprises: a second sliding rail assembly, a second driving member and a sliding block plate 11, the sliding block plate 11 is slidingly installed on the sliding block 4 through the second sliding rail assembly, and the second driving member is used to drive the sliding block plate 11 to displace left and right on the sliding block 4.

[0014] The additive polishing device, wherein the lifting device comprises: a threaded rod 1, a first servo driving motor 2 and a lifting sliding block 3, the lifting sliding block 3 is assembled on the threaded rod 1, the first servo driving motor 2 drives the threaded rod 1 to rotate, thereby realizing the displacement of the lifting sliding block 3 along the threaded rod 1, and the polishing structure 8 is installed on the lifting sliding block 3.

[0015] The additive polishing device, wherein the third sliding rail assembly and the third driving member are further included, the support seat 25 is slidingly installed on the fixed base 26 through the third sliding rail assembly, and the third driving member is used to drive the support seat 25 to displace on the fixed base 26.

[0016] The additive polishing device, wherein the lifting mechanism comprises: a lead screw and a sliding seat, the sliding seat is installed on the lead screw, the lead screw is located in the rectangular support column 15 and both ends of the lead screw are rotationally connected with both ends of the rectangular support column 15 respectively, a third driving motor 16 is installed on the sliding seat, and a fourth driving motor 17 is used to drive the lead screw to rotate, thereby realizing the lifting displacement of the sliding seat along the lead screw.

[0017] The additive polishing device, wherein the polishing structure 8 comprises: a first connecting arm 5, a polishing disc 7, a second connecting arm 9 and a second driving motor 10, the upper end of the first connecting arm 5 is connected with the lifting sliding block 3, the lower end of the first connecting arm 5 is connected with the second connecting arm 9, the polishing disc 7 is detachably installed on the second connecting arm 9, and the second driving motor 10 is used for driving the polishing disc 7 to operate.

[0018] The additive polishing device, wherein the clamp structure 19 comprises: a movable clamp plate 22, a fixed air cylinder 23, a fixed clamp plate 24 and a limiting sliding block 18, the movable clamp plate 22 is slidingly installed on the fixed clamp plate 24, the fixed air cylinder 23 is used for dragging the movable clamp plate 22 to realize the opening and closing of the movable clamp plate 22 and the fixed clamp plate 24, and a plurality of limiting sliding blocks 18 are arranged on the fixed clamp plate 24 and used for limiting the displacement distance of the movable clamp plate 22.

[0019] The additive polishing device, wherein the polishing structure 8 further comprises: a sensor, which is installed on the first connecting arm 5 and / or the second connecting arm 9.

[0020] The additive polishing device has the following positive effects compared with the prior art:

[0021] (1) In the utility model, the workpiece fixing table is used for clamping additive manufacturing parts, the polishing disc is used for polishing additive manufacturing parts, the workpiece fixing table and the polishing disc are both installed on the main rack, and the lifting mechanism and the transmission mechanism are used to realize the lifting, rotation of the workpiece fixing table and the transverse movement, lifting and rotation of the polishing disc, so that the surface of the additive manufacturing part is polished, and the machining precision is improved.

[0022] (2) The utility model can adapt to the polishing of complex-shaped parts, reduces manual intervention, and improves polishing precision and consistency. Through various abrasives and flexible polishing disc design, the device is suitable for the post-processing of parts made of different materials such as metal, plastic and ceramic.

[0023] (3) In the utility model, the combination of the sensor module and the control system can realize real-time monitoring and automatic adjustment of the polishing process, and ensure the stability and efficiency of the polishing effect. The device has compact structure and simple operation, can efficiently operate in a small space, and is suitable for the post-processing needs of various additive manufacturing parts. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structure schematic view of an additive polishing device of the utility model.

[0025] Figure 2 is a side view of a workpiece fixing table of an additive polishing device of the utility model.

[0026] Figure 3It is a structure diagram of the polishing head of the additive polishing device.

[0027] Figure 4 It is a structure diagram of the additive polishing device.

[0028] Figure 5 It is a structure diagram of the fixed base of the additive polishing device.

[0029] Figure 6 It is a structure diagram of the support seat of the additive polishing device.

[0030] Figure 7 It is a lateral view of the support seat of the additive polishing device.

[0031] Figure 8 It is an assembly position diagram of the third driving motor of the additive polishing device.

[0032] Figure 9 It is a structure diagram of the clamp structure of the additive polishing device.

[0033] Figure 10 It is a structure diagram of the movable clamp plate, fixed clamp plate and limiting sliding block of the additive polishing device.

[0034] Figure 11 It is an assembly diagram of the transmission mechanism of the additive polishing device.

[0035] Figure 12 It is an assembly diagram of the polishing structure of the additive polishing device.

[0036] In the drawings: 1, threaded rod; 2, first servo driving motor; 3, lifting sliding block; 4, sliding block; 5, No. 1 connecting arm; 7, polishing disc; 8, polishing structure; 9, No. 2 connecting arm; 10, second driving motor; 11, sliding block plate; 12, fixed arm rod; 13, support frame; 15, rectangular support column; 16, third driving motor; 17, fourth driving motor; 18, limiting sliding block; 19, clamp structure; 22, movable clamp plate; 23, fixed air cylinder; 24, fixed clamp plate; 25, support seat; 26, fixed base. DETAILED DESCRIPTION

[0037] The utility model will be further described in connection with the drawings and specific embodiments, but not as the limitation of the utility model.

[0038] Please refer to Figures 1 to 12 It shows an additive polishing device, wherein, it includes:

[0039] The main rack comprises a fixed base 26, a rectangular support column 15 and a top beam, the bottom end of the rectangular support column 15 is connected with the fixed base 26, and the top end of the rectangular support column 15 is connected with one end of the top beam;

[0040] A support seat 25 is slidingly installed on the fixed base 26, and the support seat 25 is used for transferring the additive manufacturing part;

[0041] A lifting mechanism and a workpiece fixing table are slidingly installed in the rectangular support column 15, a fourth driving motor 17 is installed at the bottom of the rectangular support column 15, the fourth driving motor 17 is used for driving the lifting mechanism to operate to realize the sliding of the workpiece fixing table along the rectangular support column 15, and the workpiece fixing table is arranged above the fixed base 26;

[0042] The workpiece fixing table comprises a third driving motor 16 and a clamp structure 19, the third driving motor 16 is slidingly installed in the rectangular support column 15, the output shaft of the third driving motor 16 is parallel to the top beam, the clamp structure 19 is installed on the output shaft of the third driving motor 16, and the clamp structure 19 is used for clamping the additive manufacturing part located on the support seat 25;

[0043] A transmission mechanism and a polishing structure 8, the transmission mechanism comprises front-rear displacement devices, left-right displacement devices and lifting devices, the front-rear displacement devices are installed on the top beam, the left-right displacement devices are installed on the front-rear displacement devices, the lifting devices are installed on the left-right displacement devices, the polishing structure 8 is installed on the lifting devices, the front-rear displacement devices, the left-right displacement devices and the lifting devices are respectively used for realizing the front-rear displacement, the left-right displacement and the lifting of the polishing structure 8, and the polishing structure 8 is used for polishing the additive manufacturing part located on the clamp structure 19.

[0044] Further, in a preferred embodiment, the main rack further comprises a support frame 13, two ends of the support frame 13 are respectively connected with the rectangular support column 15 and the top beam, and the support frame 13 is used for supporting the top beam.

[0045] Further, in a preferred embodiment, the front-rear displacement devices comprise a first sliding rail assembly, a first driving member and a sliding block 4, the sliding block 4 is slidingly installed on the top beam through the first sliding rail assembly, and the first driving member is used for driving the sliding block 4 to displace forward and backward on the top beam.

[0046] Further, in a preferred embodiment, the left-right displacement devices comprise a second sliding rail assembly, a second driving member and a sliding block plate 11, the sliding block plate 11 is slidingly installed on the sliding block 4 through the second sliding rail assembly, and the second driving member is used for driving the sliding block plate 11 to displace left and right on the sliding block 4.

[0047] Further, in a preferred embodiment, the lifting device comprises a threaded rod 1, a first servo drive motor 2 and a lifting slider 3, the lifting slider 3 is assembled on the threaded rod 1, the first servo drive motor 2 drives the threaded rod 1 to rotate and thereby realizes the displacement of the lifting slider 3 along the threaded rod 1, and the polishing structure 8 is installed on the lifting slider 3.

[0048] Further, in a preferred embodiment, the lifting device comprises a threaded rod 1, a first servo drive motor 2 and a lifting slider 3, the lifting slider 3 is assembled on the threaded rod 1, the first servo drive motor 2 drives the threaded rod 1 to rotate and thereby realizes the displacement of the lifting slider 3 along the threaded rod 1, and the polishing structure 8 is installed on the lifting slider 3.

[0049] Further, in a preferred embodiment, the lifting device comprises a threaded rod 1, a first servo drive motor 2 and a lifting slider 3, the lifting slider 3 is assembled on the threaded rod 1, the first servo drive motor 2 drives the threaded rod 1 to rotate and thereby realizes the displacement of the lifting slider 3 along the threaded rod 1, and the polishing structure 8 is installed on the lifting slider 3.

[0050] Further, in a preferred embodiment, the lifting device comprises a threaded rod 1, a first servo drive motor 2 and a lifting slider 3, the lifting slider 3 is assembled on the threaded rod 1, the first servo drive motor 2 drives the threaded rod 1 to rotate and thereby realizes the displacement of the lifting slider 3 along the threaded rod 1, and the polishing structure 8 is installed on the lifting slider 3.

[0051] Further, in a preferred embodiment, the lifting device comprises a threaded rod 1, a first servo drive motor 2 and a lifting slider 3, the lifting slider 3 is assembled on the threaded rod 1, the first servo drive motor 2 drives the threaded rod 1 to rotate and thereby realizes the displacement of the lifting slider 3 along the threaded rod 1, and the polishing structure 8 is installed on the lifting slider 3.

[0052] Further, in a preferred embodiment, the lifting device comprises a threaded rod 1, a first servo drive motor 2 and a lifting slider 3, the lifting slider 3 is assembled on the threaded rod 1, the first servo drive motor 2 drives the threaded rod 1 to rotate and thereby realizes the displacement of the lifting slider 3 along the threaded rod 1, and the polishing structure 8 is installed on the lifting slider 3.

[0053] The above is only a preferred embodiment of the present application, and does not limit the implementation and protection scope of the present application.

[0054] The present application further has the following implementation based on the above:

[0055] In a further embodiment of the present application, the first drive, the second drive and the third drive can select any drive device that meets the requirements, such as a motor, a hydraulic cylinder, etc., and if a hydraulic drive device is selected, it is assembled with a hydraulic system and an electromagnetic control valve.

[0056] In a further embodiment of the utility model, a sensor group is assembled on the polishing structure 8, for monitoring the distance between the polishing disc 7 and the additive manufacturing part, the processing position of the additive manufacturing part, the surface processing temperature and the like.

[0057] In a further embodiment of the utility model, the utility model further includes: a control system, the first servo drive motor 2, the second drive motor 10, the third drive motor 16, the fourth drive motor 17, the first drive part, the second drive part and the third drive part are all controlled individually by the control system, the control system is powered by a power supply system, a plurality of motors and electromagnetic valves are connected with the control system circuit, sensors are connected with the control system signal, for implementing transmission information.

[0058] In a further embodiment of the utility model, the utility model further includes: a cooling system, the cooling system is arranged at one side of the workpiece fixing table, and the cooling system is used for cooling the additive manufacturing part clamped by the clamp structure 19.

[0059] In a further embodiment of the utility model, the fixed base 26 is a disc type structure with a large upper surface area, and a plurality of convex structures for increasing friction are arranged on the upper surface of the fixed base 26, for placing and supporting the additive manufacturing part.

[0060] In a further embodiment of the utility model, one end of the support frame 13 is connected with the rectangular support column 15, and the other end of the support frame 13 is connected with the top cross beam, and the support frame 13, the side vertical beam and the top cross beam form a triangular support structure, so as to increase the overall strength.

[0061] In a further embodiment of the utility model, the utility model relates to an efficient polishing device for additive manufacturing, which is specially used for solving the surface roughness problem in the post-processing of additive manufacturing (3D printing), and is especially suitable for polishing parts of complex shapes and various materials. The device includes a fixed base 26, an angle-adjustable workpiece fixing table, a polishing structure 8 with replaceable abrasive tools, a transmission mechanism, sensors and a control system. The polishing structure 8 can be accurately moved in multiple-axis directions, and the workpiece surface state is monitored in real time through the built-in sensors, and the polishing path and parameters are automatically adjusted according to the detection results. The device can effectively improve the polishing efficiency, reduce manual intervention, improve the surface quality of parts, and is suitable for processing materials such as metal, plastic and ceramic. The device has the characteristics of compact structure, simple operation, strong adaptability and the like, and is widely applied to the post-processing of additive manufacturing in the fields of aerospace, automobiles and medical devices.

[0062] In a further embodiment of the utility model, the utility model can adapt to the polishing of complex-shaped parts, reduces manual intervention, and improves polishing accuracy and consistency. Through the design of multiple polishing discs 7, the device is suitable for the post-processing of parts made of different materials such as metal, plastic, and ceramic. The combination of sensors and a control system enables real-time monitoring and automatic adjustment of the polishing process, ensuring the stability and efficiency of the polishing effect. The device has a compact structure and is easy to operate, can efficiently operate in a small space, and is suitable for the post-processing needs of various additive manufacturing parts.

[0063] In a further embodiment of the utility model, the utility model includes a fixed base 26, a workpiece fixing table, a polishing structure 8, a transmission mechanism, a sensor, and a control system. The workpiece fixing table is located on the fixed base 26. The third drive motor 16 drives the clamp structure 19 to rotate to adjust the polishing angle of the additive manufacturing part. The fourth drive motor 17 drives the third drive motor 16 to lift to adjust the polishing height of the additive manufacturing part. The polishing structure 8 is driven by the transmission mechanism, enabling multidimensional movement. The sensor is integrated on the polishing structure 8. The movement of the polishing structure 8 is adjusted according to the sensor feedback data.

[0064] In a further embodiment of the utility model, the lifting mechanism is composed of a fourth drive motor 17, a third drive motor 16, a lead screw, and a sliding seat. The lead screw is arranged in the rectangular support column 15. A vertical limiting slide is formed on the rectangular support column 15. The sliding seat is slidingly installed in the vertical limiting slide. The sliding seat is assembled on the lead screw. The fourth drive motor 17 drives the lead screw to rotate, thereby realizing the displacement of the sliding seat along the rectangular support column 15. The third drive motor 16 is installed on the sliding seat. The third drive motor 16 drives the workpiece fixing table 2 to rotate to adjust the processing angle of the additive manufacturing part.

[0065] In a further embodiment of the utility model, the lifting mechanism can also use other mechanisms for realizing the displacement of the sliding seat in the vertical limiting slide, such as a chain and conveyor belt mechanism, to replace the lead screw transmission mechanism composed of a first lead screw and a first lead screw nut.

[0066] In a further embodiment of the utility model, the workpiece fixing table includes a third drive motor 16 and a clamp structure 19, which can fix workpieces of different shapes and adjust the angle of the workpiece to adapt to the polishing requirements. The clamp structure 19 is driven by a fixed air cylinder 23 to realize the clamping of the additive manufacturing part.

[0067] In a further embodiment of the utility model, the polishing structure 8 is provided with a variety of replaceable abrasives suitable for polishing different materials.

[0068] In a further embodiment of the utility model, further include: motor drive device, one connecting arm 5 and no. 2 connecting arm 9 rotation connection, motor drive device can be assembled on one connecting arm 5 and drive no. 2 connecting arm 9 rotation and further realize the drive polishing head 3 rotation around its axis, to realize the polishing of additive manufacturing parts different angle, rotary grinding tool 31 to its axis left side, right side, front side, rear side, left front, right front, left rear and right rear.

[0069] In a further embodiment of the utility model, workpiece fixing table is used for clamping additive manufacturing parts, and polishing structure 8 is used for polishing additive manufacturing parts, and workpiece fixing table and polishing structure 8 are both installed on main frame, and transmission mechanism and lifting mechanism are controlled respectively by control system, the lifting and rotation of workpiece fixing table and the transverse movement, lifting and autorotation of polishing structure 8 are realized, the surface of additive manufacturing parts is polished, and processing precision is improved.

[0070] In a further embodiment of the utility model, transmission mechanism adopts guide rail and screw rod structure, realizes the sliding and lifting of polishing structure 8, and realizes the three-axis movement of polishing structure 8.

[0071] In a further embodiment of the utility model, the polishing path is automatically adjusted according to the feedback data of sensor.

[0072] In a further embodiment of the utility model, as shown in Figure 1 In a further embodiment of the utility model, workpiece fixing table is located on main frame, the angle and height of workpiece fixing table can be adjusted through third drive motor 16 and fourth drive motor 17, and polishing structure 8 is facilitated to operate, so as to adapt to workpieces of different shapes.

[0073] In a further embodiment of the utility model, clamp structure 19 is arranged on workpiece fixing table and is used for fixing metal parts to be polished. By adjusting the angle of workpiece fixing table, it can be ensured that polishing structure 8 can contact all surfaces of the parts. Workpiece fixing table can also be adjusted in height to ensure that parts of different sizes can be polished in suitable positions.

[0074] In a further embodiment of the utility model, polishing structure 8 is connected to main frame through transmission mechanism, transmission mechanism includes first servo drive motor 2, guide rail and threaded rod 1, can drive polishing structure 8 to move in X, Y, Z three-axis direction, ensure high precision and flexibility in polishing process. Polishing structure 8 is provided with replaceable polishing disc 7, such as grinding wheel, polishing wheel, etc., and is selected according to part material.

[0075] In a further embodiment of the utility model, the sensor is installed near the polishing disc 7, which can monitor the surface roughness and shape change of the workpiece in real time. When the sensor detects the uneven surface, the control system controls the transmission mechanism to operate, and the polishing disc 7 reprocesses the uneven surface of the workpiece.

[0076] In a further embodiment of the utility model, for the polishing of plastic parts, the polishing device of the embodiment is similar to the above-mentioned embodiment, but a flexible abrasive tool more suitable for plastic materials is selected in the polishing structure 8 to prevent the surface of the plastic part from being damaged. The flexible abrasive tool can polish under low pressure to remove defects on the surface of the plastic part and ensure a smooth surface effect.

[0077] In a further embodiment of the utility model, the polishing device is also equipped with a cooling system to prevent the plastic from deforming due to friction overheating during polishing. When the sensor detects that the temperature of the part is too high, the control system will automatically start the cooling system to reduce the temperature of the polishing area, thereby ensuring that the plastic part completes surface treatment under optimal conditions.

[0078] In a further embodiment of the utility model, for the polishing of parts with complex shapes, such as inner holes, curved surfaces, and special-shaped parts, the polishing structure 8 in the device can rotate at multiple angles, combined with the three-axis movement of the transmission mechanism, to flexibly adjust the polishing path. The sensor scans the surface of the workpiece in real time, adjusts the movement trajectory of the polishing head according to the change of the surface shape, and ensures that each complex corner can be fully polished.

[0079] In a further embodiment of the utility model, the main frame is used to support the additive manufacturing parts and the entire device, adjust the center of gravity position of the entire device, increase the contact area with the ground, increase the stability, and the main frame is provided with a workpiece fixing table; the workpiece fixing table can adjust the angle and height, and is used for fixing the additive manufacturing workpiece to be polished; the polishing structure 8 is located above the workpiece fixing table, the polishing structure 8 is provided with different types of polishing discs 7, and the rigid abrasive tool or the flexible abrasive tool can be replaced according to the material properties;

[0080] In a further embodiment of the utility model, the transmission mechanism includes a motor, a guide rail, and a lead screw, which can drive the polishing structure 8 to move accurately in multiple dimensions; the sensor is integrated on the polishing structure 8 and is used for monitoring the surface state of the additive manufacturing part in the polishing process in real time;

[0081] In a further embodiment of the utility model, the workpiece fixing table can adjust the angle and height according to the complex shape of the workpiece to ensure that the polishing structure 8 can fully contact each surface of the workpiece. The jig structure 19 is arranged on the workpiece fixing table to ensure the stability of the workpiece during polishing.

[0082] In a further embodiment of the utility model, the polishing structure 8 is equipped with replaceable multiple grinding tools, including a grinding wheel, a polishing wheel and an abrasive belt, which are suitable for different materials and surface states. The polishing structure 8 can also be driven by a motor to realize multi-angle rotation to adapt to different polishing requirements of complex parts.

[0083] In a further embodiment of the utility model, the transmission mechanism adopts a guide rail and screw structure, which can realize the movement of the polishing structure 8 in the X, Y and Z three-axis directions. Through the accurate control of the motor, the polishing structure 8 can perform linear or curved motion to ensure efficient and accurate polishing.

[0084] In a further embodiment of the utility model, the sensor is installed on the polishing structure 8, which can detect the roughness and shape change of the workpiece surface in real time. The sensor data is fed back through the control system to automatically adjust the polishing intensity and path, ensuring the accuracy and consistency of the polishing process.

[0085] In a further embodiment of the utility model, the second driving motor 10 is used to drive the operation of the polishing disc 7 to realize the polishing of the surface of the additive manufacturing workpiece.

[0086] In a further embodiment of the utility model, the clamp structure 19 selects a clamping jaw structure with one side fixed and one side sliding, and a fixed cylinder 23 or a motor is used to drive the clamping jaw on the sliding side to clamp the additive manufacturing part. A gear transmission structure can also be used instead of the worm gear structure.

[0087] In a further embodiment of the utility model, the transmission mechanism in the utility model can adopt multiple variable speed transmission mechanisms including gear transmission, worm gear transmission, belt transmission and chain transmission.

[0088] In a further embodiment of the utility model, the driving device in the utility model can select multiple driving mechanisms including a motor, and some can be replaced by a cylinder or a hydraulic cylinder.

[0089] In a further embodiment of the utility model, the sensor is composed of a temperature sensor module, a laser sensor module and a displacement sensor module, which simultaneously detects multiple data and transmits them to the control system in real time. The control system controls multiple driving devices in real time. The temperature sensor module is used to measure the surface temperature of the additive manufacturing workpiece, the laser sensor module is used to measure the surface roughness of the additive manufacturing workpiece, and the displacement sensor module is used to record the surface machining path of the additive manufacturing workpiece.

[0090] In a further embodiment of the utility model, after the additive manufacturing workpiece is transferred to the support seat, the fourth driving motor 17 drives the workpiece fixing table to move downward along the rectangular support column 15, and after reaching the clamping position of the additive manufacturing workpiece, the fixing cylinder 23 drives the clamp structure 19 to clamp the additive manufacturing part, and then the fourth driving motor 17 drives the workpiece fixing table to move upward along the rectangular support column 15, reaches the polishing station of the additive manufacturing workpiece, the first driving part and the second driving part drive the polishing structure 8 to move horizontally, the first servo driving motor 2 drives the polishing structure 8 to move up and down, and the third driving motor 16 is used to drive the workpiece fixing table to rotate to adjust the polishing angle of the additive manufacturing part; the second driving motor 10 is used to drive the polishing disc 7 to polish the additive manufacturing part; first, the path of the polishing disc 7 is adjusted through the first driving part, the second driving part, the first servo driving motor 2 and the third driving motor 16, the top of the additive manufacturing part is processed, at this time, it is recorded as initial 0 degree; the workpiece fixing table is rotated by 180 degrees through the third driving device, the path of the polishing disc 7 is adjusted, and the bottom of the additive manufacturing part is processed; the workpiece fixing table is rotated through the third driving motor 16, the rotation angle is in the range of 0 to 90 degrees, and the front upper part of the additive manufacturing part can be processed; the rotation angle is in the range of 90 to 180 degrees, and the front lower part of the additive manufacturing part can be processed; the rotation angle is in the range of 180 to 270 degrees, and the rear lower part of the additive manufacturing part can be processed; the rotation angle is in the range of 270 to 360 degrees, and the rear upper part of the additive manufacturing part can be processed.

[0091] The above is only the preferred embodiment of the utility model, and does not limit the implementation and protection scope of the utility model, and those skilled in the art should realize that the obtained scheme of equivalent replacement and obvious change of the utility model specification and drawing content should be included in the protection scope of the utility model.

Claims

1. An additive polishing device, characterized by, The utility model relates to a kind of additive manufacturing polishing device, including: Main frame, main frame includes: fixed base (26), rectangular support column (15) and top beam, the bottom end of rectangular support column (15) and fixed base (26) are connected, and one end of rectangular support column (15) and top beam are connected; Support seat (25), the support seat (25) is slidably installed on fixed base (26), and the support seat (25) is used to transfer additive manufacturing part; Lifting mechanism and workpiece fixing table, the workpiece fixing table is slidably installed in rectangular support column (15) by lifting mechanism, fourth drive motor (17) is installed at the bottom of rectangular support column (15), fourth drive motor (17) is used to drive lifting mechanism to operate to realize the sliding of workpiece fixing table along rectangular support column (15), and workpiece fixing table is located above fixed base (26); Workpiece fixing table includes: third drive motor (16) and clamp structure (19), third drive motor (16) is slidably installed in rectangular support column (15), the output shaft of third drive motor (16) is parallel to top beam, and clamp structure (19) is installed on the output shaft of third drive motor (16), and the clamp structure (19) is used to clamp the additive manufacturing part on support seat (25); Transmission mechanism and polishing structure (8), transmission mechanism includes: front and back displacement device, left and right displacement device and lifting device, front and back displacement device is installed on top beam, left and right displacement device is installed on front and back displacement device, and lifting device is installed on left and right displacement device, and polishing structure (8) is installed on lifting device, and front and back displacement device, left and right displacement device and lifting device are used to realize the front and back displacement, left and right displacement and lifting of polishing structure (8) respectively, and the polishing structure (8) is used to polish the additive manufacturing part on clamp structure (19).

2. The additive polishing apparatus according to claim 1, wherein Main frame further includes: support frame (13), both ends of support frame (13) are connected with rectangular support column (15) and top beam respectively, and the support frame (13) is used to support top beam.

3. The additive polishing apparatus according to claim 1, wherein Front and back displacement device includes: first slide rail assembly, first driving part and sliding block (4), the sliding block (4) is slidably installed on top beam by first slide rail assembly, and first driving part is used to drive sliding block (4) to displace front and back on top beam.

4. The additive polishing apparatus according to claim 3, wherein Left and right displacement device includes: second slide rail assembly, second driving part and sliding block plate (11), the sliding block plate (11) is slidably installed on sliding block (4) by second slide rail assembly, and second driving part is used to drive sliding block plate (11) to displace left and right on sliding block (4).

5. The additive polishing apparatus according to claim 4, wherein Lifting device includes: threaded rod (1), first servo drive motor (2) and lifting sliding block (3), lifting sliding block (3) is assembled on threaded rod (1), first servo drive motor (2) drives threaded rod (1) rotation to realize the displacement of lifting sliding block (3) along threaded rod (1), and polishing structure (8) is installed on lifting sliding block (3).

6. The additive polishing apparatus according to claim 1, wherein Further include: The third sliding rail assembly and the third driving member are used for slidingly mounting the support base (25) on the fixed base (26) and driving the support base (25) to displace on the fixed base (26).

7. The additive polishing apparatus according to claim 1, wherein The lifting mechanism comprises a screw rod and a sliding seat, the sliding seat is installed on the screw rod, the screw rod is located in the rectangular support column (15) and is rotatably connected with both ends of the rectangular support column (15), the third driving motor (16) is installed on the sliding seat, and the fourth driving motor (17) is used for driving the screw rod to rotate and then realizing lifting displacement of the sliding seat along the screw rod.

8. The additive polishing apparatus according to claim 5, wherein The polishing structure (8) comprises a first connecting arm (5), a polishing disc (7), a second connecting arm (9) and a second driving motor (10), the upper end of the first connecting arm (5) is connected with the lifting sliding block (3), the lower end of the first connecting arm (5) is connected with the second connecting arm (9), the polishing disc (7) is detachably installed on the second connecting arm (9), and the second driving motor (10) is used for driving the polishing disc (7) to operate.

9. The additive polishing apparatus of claim 1, wherein, The clamp structure (19) comprises a movable clamp plate (22), a fixed air cylinder (23), a fixed clamp plate (24) and a limiting sliding block (18), the movable clamp plate (22) is slidingly installed on the fixed clamp plate (24), the fixed air cylinder (23) is used for driving the movable clamp plate (22) to realize opening and closing of the movable clamp plate (22) and the fixed clamp plate (24), the fixed clamp plate (24) is provided with a plurality of limiting sliding blocks (18), and the plurality of limiting sliding blocks (18) are used for limiting displacement distance of the movable clamp plate (22).

10. The additive polishing apparatus according to claim 8, wherein The polishing structure (8) further comprises a sensor, and the sensor is installed on the first connecting arm (5) and / or the second connecting arm (9).

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