Positioning equipment for assisting deburring of sand core and automatic deburring system

Abstract

The utility model relates to the technical field of deburring, in particular to positioning equipment for assisting in deburring of a sand core and an automatic deburring system.The positioning equipment comprises a rack and at least two positioning assemblies arranged on the rack, and each positioning assembly comprises a positioning frame, a rotary pressing device and a detection device; the positioning frame is provided with a positioning groove for placing a sand core, the rotary pressing device and the detection device are respectively adjacent to the positioning frame, and the rotary pressing device is electrically connected with the detection device. According to the positioning equipment for assisting in deburring of the sand core and the automatic deburring system, compared with the mode that a sand core workpiece is manually lifted / taken for deburring operation, the mechanical bearing performance and stability are better, and the deburring quality of the sand core is improved; furthermore, manual participation steps are reduced, the labor intensity of workers is reduced, the mechanization degree is high, and the production efficiency of the automobile production line is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of deburring, in particular to positioning equipment and an automatic deburring system for assisting sand core deburring. Background Art

[0002] In the automotive field, some parts need to be cast using sand cores. After the sand core parts are cast, burrs will be generated along the parting surface when the mold is opened. After the casting sand core is taken out, the burrs need to be manually scraped off. The deburring efficiency is low, and it is easy to miss burrs. In addition, it is easy to cause scratches and damage to other parts of the sand core parts during the use of deburring tools.

[0003] It can be seen that the existing technology still needs to be improved and enhanced. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide a positioning device and an automatic deburring system for assisting sand core deburring, so as to solve the technical problem that the current sand core workpiece is manually deburred by scraping, but the deburring efficiency is low and the quality is poor.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A positioning device for assisting in deburring sand cores comprises a frame and at least two groups of positioning components arranged on the frame, each of the positioning components comprises a positioning frame, a rotating pressing device and a detection device, the positioning frame is provided with a positioning groove for placing the sand core, the rotating pressing device and the detection device are respectively arranged adjacent to the positioning frame, and the rotating pressing device and the detection device are electrically connected.

[0007] As described above, the positioning device for assisting sand core deburring, the rotary pressing device comprises a pressing head, a rotating mechanism and a lifting mechanism, the lifting mechanism is installed in the frame, and the rotating mechanism connects the pressing head and the lifting mechanism.

[0008] As described above, the positioning device for assisting in deburring sand cores is provided with a supporting seat on the frame corresponding to the rotating mechanism, and the rotating mechanism includes a rotating block, a motor, a connecting rod and a rotating rod, the rotating block is movably arranged on the supporting seat, the connecting rod is fixed to the outside of the rotating block and connected to the pressing head, and the rotating rod is passed through the supporting seat and respectively connected to the rotating block and the motor.

[0009] As described above, the positioning device for assisting sand core deburring, the lifting mechanism includes a support plate connected to the frame, a lifting cylinder arranged on the support plate, and a connecting plate connecting the motor and the lifting cylinder.

[0010] The positioning device for assisting in deburring sand cores as described above, the positioning device also includes at least two fixed plates, the positioning components and the fixed plates are arranged in one-to-one correspondence, and each of the fixed plates is slidably provided with a clamping mechanism, the clamping mechanism is arranged on the side of the positioning frame away from the rotating pressing device, and the clamping mechanism includes a clamping plate, a slide groove provided on the fixed plate, a sliding block passing through the slide groove and connected to the clamping plate, a pushing cylinder provided on the fixed plate, and a connecting piece connecting the output end of the pushing cylinder and the sliding block.

[0011] In the positioning device for assisting sand core deburring as described above, the detection device includes an infrared sensor.

[0012] An automatic deburring system comprises a mechanical arm, a deburring device mounted on the mechanical arm, and the positioning device as described above, wherein the mechanical arm is electrically connected to the detection device.

[0013] In the automatic deburring system as described above, the deburring device includes a fixing frame connected to the robot arm, a driving motor installed on the fixing frame, and a grinding rod connected to the output end of the driving motor.

[0014] Beneficial effects:

[0015] The present application discloses a positioning device for assisting in deburring sand cores. The sand core is placed on the positioning groove on the positioning frame. The detection device detects whether a sand core workpiece to be processed has been placed at the positioning groove, and transmits a detection signal to the rotating pressing device. The rotating pressing device rotates and presses on the sand core workpiece to be processed to assist the sand core deburring system in fixing the sand core workpiece to be processed. Compared with manually lifting / taking the sand core workpiece for deburring, the mechanical support and stability are better, thereby improving the quality of sand core deburring. Furthermore, the steps of manual participation are reduced, the labor intensity of workers is reduced, the degree of mechanization is high, and the production efficiency of the automobile production line is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the automatic deburring system according to an embodiment of the present application.

[0017] Figure 2 An exploded view of a positioning component according to an embodiment of the present application.

[0018] Figure 3 This is an exploded view from another angle of the positioning component of an embodiment of the present application.

[0019] Figure numerals: 1. frame; 11. supporting seat; 2. positioning frame; 21. positioning groove; 3. rotating pressing device; 31. pressing head; 32. rotating mechanism; 33. lifting mechanism; 34. rotating block; 35. motor; 36. connecting rod; 37. rotating rod; 38. supporting plate; 39. lifting cylinder; 30. connecting plate; 4. detection device; 5. fixing plate; 6. clamping mechanism; 61. clamping plate; 62. slide groove; 63. sliding block; 64. pushing cylinder; 65. connecting piece; 7. robotic arm; 8. deburring device; 81. fixing frame; 82. driving motor; 83. grinding rod. DETAILED DESCRIPTION

[0020] The utility model provides a positioning device and an automatic deburring system for assisting sand core deburring. To make the purpose, technical scheme and effect of the utility model clearer and more specific, the utility model is further described in detail below with reference to the accompanying drawings and examples.

[0021] In the description of the present invention, it should be understood that the terms "top", "bottom", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and should not be understood as a limitation on the present invention; in addition, the terms "installation", "connection", etc. should be understood in a broad sense, and ordinary technicians in this field can understand the specific meaning of the above terms in the present invention according to the specific circumstances.

[0022] like Figure 1-3 As shown, an embodiment of the present application proposes a positioning device for assisting in deburring sand cores, comprising a frame 1 and at least two groups of positioning components arranged on the frame, each of the positioning components respectively comprising a positioning frame 2, a rotating pressing device 3 and a detection device 4, the positioning frame 2 is provided with a positioning groove 21 for placing the sand core, the rotating pressing device 3 and the detection device 4 are respectively arranged adjacent to the positioning frame 2, and the rotating pressing device 3 and the detection device 4 are electrically connected.

[0023] The present application discloses a positioning device for assisting in deburring sand cores. The sand core is placed on the positioning groove 21 on the positioning frame 2. The detection device 4 detects whether a sand core workpiece to be processed has been placed at the positioning groove 21, and transmits a detection signal to the rotating pressing device 3. The rotating pressing device 3 rotates and presses on the sand core workpiece to be processed to assist the sand core deburring system in fixing the sand core workpiece to be processed. Compared with manually lifting / taking the sand core workpiece for deburring, the mechanical support and stability are better, thereby improving the quality of sand core deburring. Furthermore, the steps of manual participation are reduced, the labor intensity of workers is reduced, the degree of mechanization is high, and the production efficiency of the automobile production line is improved.

[0024] Furthermore, the sizes of the positioning frames 2 are different, and the shapes of the positioning grooves 21 may also be different, so that sand cores of different sizes and shapes can be placed at the same time for deburring operations.

[0025] The rotary pressing device 3 includes a pressing head 31, a rotating mechanism 32 and a lifting mechanism 33. The lifting mechanism 33 is installed in the frame 1. The rotating mechanism 32 connects the pressing head 31 and the lifting mechanism 33. A supporting seat 11 is provided on the frame 1 corresponding to the rotating mechanism 32. The rotating mechanism 32 includes a rotating block 34, a motor 35, a connecting rod 36 and a rotating rod 37. The rotating block 34 is movably arranged on the supporting seat 11. The connecting rod 36 is fixed to the outside of the rotating block 34 and connected to the pressing head 31. The rotating rod 37 is penetrated on the supporting seat 11 and is respectively connected to the connecting rod 36. The rotating block 34 is connected to the motor 35, and the lifting mechanism 33 includes a support plate 38 connected to the frame 1, a lifting cylinder 39 arranged on the support plate 38, and a connecting plate 30 connecting the motor 35 and the lifting cylinder 39. The lifting cylinder 39 pushes the rotating mechanism 32 to move upward, and simultaneously drives the pressing head 31 to move upward and away from the sand core workpiece. The pressing head 31 is in static contact with the sand core workpiece, so as to avoid the sliding contact between the pressing head 31 and the sand core workpiece caused by the rotating mechanism 32, which causes wear on the sand core workpiece and affects the quality and precision of the casting.

[0026] The positioning device also includes at least two fixed plates 5, the positioning components and the fixed plates 5 are arranged in a one-to-one correspondence, and each of the fixed plates 5 is slidably provided with a clamping mechanism 6, the clamping mechanism 6 is arranged on the side of the positioning frame 2 away from the rotating pressing device 3, and the clamping mechanism 6 includes a clamping plate 61, a slide groove 62 arranged on the fixed plate 5, a sliding block 63 penetrated through the slide groove 62 and connected to the clamping plate 61, a pushing cylinder 64 arranged on the fixed plate 5, and a connecting member 65 connecting the output end of the pushing cylinder 64 and the sliding block 63, the pushing cylinder 64 drives the connecting member 65 to move along the direction of the slide groove 62 close to the positioning frame 2, so as to clamp and fix the bottom of the sand core workpiece, and synchronously clamp with the rotating pressing device 3 to fix the upper and bottom of the sand core workpiece, so that the sand core workpiece is fitted as a whole in the positioning groove 21, further improving the accuracy of the positioning position, facilitating the deburring system to perform deburring operations, and improving the quality and accuracy of deburring.

[0027] The detection device 4 includes an infrared sensor, and in other embodiments, it can also be replaced by a touch sensor, a laser sensor, etc.

[0028] An automatic deburring system comprises a robotic arm 7, a deburring device 8 mounted on the robotic arm 7, and the positioning device as described above. The robotic arm 7 is electrically connected to the detection device 4. The robotic arm 7 drives the deburring device 8 to scrape off burrs on the edge of a sand core workpiece, and the degree of automation and mechanization is high.

[0029] The deburring device 8 includes a fixing frame 81 connected to the robot arm 7, a driving motor 82 installed on the fixing frame 81, and a grinding rod 83 connected to the output end of the driving motor 82. The driving motor 82 drives the grinding rod 82 to grind and scrape off the burrs on the edge of the sand core workpiece. In other embodiments, scrapers, sandpaper, lasers, water cutting and other methods can be selected for replacement.

[0030] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and the utility model concept of the utility model, and all these changes or substitutions should fall within the protection scope of the utility model.

Claims

1. A positioning device for assisting in deburring sand cores, characterized in that: The invention comprises a frame (1) and at least two groups of positioning components arranged on the frame (1), each of the positioning components respectively comprising a positioning frame (2), a rotating pressing device (3) and a detection device (4), the positioning frame (2) being provided with a positioning groove (21) for placing a sand core, the rotating pressing device (3) and the detection device (4) being respectively arranged adjacent to the positioning frame (2), and the rotating pressing device (3) and the detection device (4) being electrically connected.

2. The positioning device for assisting sand core deburring according to claim 1, characterized in that: The rotary pressing device (3) comprises a pressing head (31), a rotating mechanism (32) and a lifting mechanism (33); the lifting mechanism (33) is installed in the frame (1); and the rotary mechanism (32) connects the pressing head (31) and the lifting mechanism (33).

3. The positioning device for assisting sand core deburring according to claim 2, characterized in that: A supporting seat (11) is provided on the frame (1) corresponding to the rotating mechanism (32); the rotating mechanism (32) comprises a rotating block (34), a motor (35), a connecting rod (36) and a rotating rod (37); the rotating block (34) is movably arranged on the supporting seat (11); the connecting rod (36) is fixed to the outer side of the rotating block (34) and connected to the pressing head (31); the rotating rod (37) is passed through the supporting seat (11) and is respectively connected to the rotating block (34) and the motor (35).

4. The positioning device for assisting sand core deburring according to claim 3, characterized in that: The lifting mechanism (33) comprises a support plate (38) connected to the frame (1), a lifting cylinder (39) arranged on the support plate (38), and a connecting plate (30) connecting the motor (35) and the lifting cylinder (39).

5. The positioning device for assisting sand core deburring according to claim 1, characterized in that: The positioning device also includes at least two fixed plates (5), the positioning components and the fixed plates (5) are arranged in a one-to-one correspondence, and each of the fixed plates (5) is slidably provided with a clamping mechanism (6), the clamping mechanism (6) is arranged on the side of the positioning frame (2) away from the rotating pressing device (3), and the clamping mechanism (6) includes a clamping plate (61), a sliding groove (62) arranged on the fixed plate (5), a sliding block (63) passing through the sliding groove (62) and connected to the clamping plate (61), a pushing cylinder (64) arranged on the fixed plate (5), and a connecting piece (65) connecting the output end of the pushing cylinder (64) and the sliding block (63).

6. The positioning device for assisting sand core deburring according to claim 1, characterized in that: The detection device (4) comprises an infrared sensor.

7. An automatic deburring system, characterized in that: It comprises a mechanical arm (7), a deburring device (8) mounted on the mechanical arm (7), and a positioning device according to any one of claims 1 to 6, wherein the mechanical arm (7) is electrically connected to the detection device (4).

8. The automatic deburring system according to claim 7, characterized in that: The deburring device (8) comprises a fixing frame (81) connected to the mechanical arm (7), a driving motor (82) mounted on the fixing frame (81), and a grinding rod (83) connected to an output end of the driving motor (82).

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