Polishing device for chaining holes in skylight frame

By designing a sunroof frame grinding device with a multi-axis mechanism and detachable grinding blades, the problem of drilling and grinding being carried out separately was solved, enabling simultaneous processing of multiple holes and improving efficiency and precision.

CN223684845UActive Publication Date: 2025-12-19CANGZHOU MOPA AUTO PARTS CO LTD
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Patent Information

Application Number
CN202423265656.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-19
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In existing technologies, drilling and grinding need to be performed separately, resulting in low processing efficiency and wasted manpower, and making it impossible to process multiple holes simultaneously.

Method used

A grinding device for connecting holes on a sunroof frame was designed. It adopts a multi-axis mechanism and a detachable grinding tool, combined with a drill bit and a chamfering tool, to achieve simultaneous drilling and chamfering. The multi-axis mechanism enables the simultaneous processing of multiple holes.

Benefits of technology

This technology enables drilling and chamfering to be completed simultaneously, improving processing efficiency, saving manpower and time, and ensuring stable processing accuracy and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a polishing device for a linkage hole in a skylight frame. The polishing device comprises a base, a linear sliding rail, a workbench, a positioning column, a lifting sliding block, a cross beam, a multi-shaft mechanism, a motor, a polishing cutter, a first air cylinder and a second air cylinder. The linear sliding rail, the positioning column and the first air cylinder are fixedly arranged on the base, and a sliding block is arranged at the lower end of the workbench and slidably connected with the linear sliding rail. Fixed baffles are arranged at the two ends of the linear sliding rail, the second air cylinder is installed on one fixed baffle, and the movable end of the second air cylinder is connected with one end of the workbench. The lifting sliding block is in sliding fit with the positioning column, the bottom end of the lifting sliding block is fixedly connected with the output end of the first air cylinder, one end of the cross beam is fixedly connected with the lifting sliding block, a motor is fixedly arranged at the other end of the cross beam, the movable end of the motor is connected with the multi-shaft mechanism, and the multi-shaft mechanism is provided with a plurality of grinding knives. According to the polishing device, polishing is completed while drilling is conducted, multi-hole machining can be conducted at the same time, work efficiency is improved, and manpower and time are saved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile parts drilling polishing and polishing, especially link hole's polishing device on sunroof frame. BACKGROUND

[0002] At present, the structural parts such as automobile sunroof frame usually need to be drilled, and assembled with other parts by bolts. Drilling is a kind of processing method frequently used in mechanical processing, but the parts after drilling cannot be used immediately, and need to remove surface burrs, and can be assembled after polishing to ensure assembly accuracy. However, in the existing mechanical processing technology, drilling and polishing need to be processed separately by two devices, and drilling can only be single punching, and cannot be processed simultaneously, so that the processing efficiency is low, and manpower is wasted. SUMMARY

[0003] Therefore, the utility model aims at providing a link hole's polishing device on sunroof frame to solve the problems that the existing drilling device can only be single punching, cannot be processed simultaneously, and drilling and polishing are separately performed, so that the processing efficiency is low, and manpower is wasted.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] A link hole's polishing device on sunroof frame, comprising a base, a linear slide rail, a workbench, a positioning column, a lifting sliding block, a crossbeam, a multi-axis mechanism, a motor, a polishing knife, a first cylinder and a second cylinder; the linear slide rail, the positioning column and the first cylinder are fixedly arranged on the base, the lower end of the workbench is provided with a sliding block, and the sliding block is slidably connected with the linear slide rail; the linear slide rail is provided with fixed baffles at both ends, the second cylinder is installed on one fixed baffle, and the movable end of the second cylinder is connected with one end of the workbench; the lifting sliding block is slidably connected with the positioning column, the bottom end is fixedly connected with the output end of the first cylinder, one end of the crossbeam is fixedly connected with the lifting sliding block, the other end is fixedly provided with the motor, the movable end of the motor is connected with the multi-axis mechanism, and a plurality of polishing knives are installed on the multi-axis mechanism.

[0006] Further, the multi-axis mechanism comprises a shell, the shell is fixedly installed on the crossbeam, a driving shaft and a plurality of driven shafts are rotatably sleeved in the shell, the driving shaft and each driven shaft are arranged in parallel with each other, a main gear is arranged on the driving shaft, a driven gear is arranged on each driven shaft, the two adjacent driven gears are meshed with each other, the main gear is meshed with any one driven gear, the driving shaft is fixedly connected to the transmission shaft of the motor, and the one end of each driven shaft is provided with a polishing knife.

[0007] Further, the polishing knife and the driven shaft are detachably connected.

[0008] Further, the grinding knife comprises a knife rod, a chamfering knife, a fixing pin, a guide column and an extension spring, the fixing pin is arranged in the knife rod, a long hole is vertically downwardly formed on one side of the knife rod from the fixing pin, the long hole is perpendicular to the fixing pin, the chamfering knife is arranged in the knife rod through the long hole, the chamfering knife is provided with a groove, the groove is clamped on the fixing pin, the bottom knife head of the chamfering knife protrudes from the long hole, the top of the chamfering knife is abutted with the guide column, the top of the guide column is provided with the extension spring, the top of the extension spring is provided with a locking bolt, and the locking bolt is threadedly connected with the inner side of the knife rod.

[0009] Further, the grinding knife further comprises a drill bit, and the drill bit is detachably connected with the bottom end of the knife rod.

[0010] Further, the lifting slide is symmetrically provided with locking bolts on both sides, the locking bolts are threadedly connected with the lifting slide, one end of the locking bolt is abutted with the positioning column, and the other end of the locking bolt is provided with a rotating knob.

[0011] Further, a plurality of through holes are arranged on the workbench and used for mounting the positioning columns.

[0012] Further, a transparent protective plate is arranged on the workbench and located on the side of the multi-axis mechanism opposite to the operation.

[0013] Compared with the prior art, the polishing device has the following beneficial effects:

[0014] (1) The polishing device of the linking hole on the sunroof frame can simultaneously install and rotate a plurality of grinding knives through the multi-axis mechanism, can first drill a hole, and then, after the drilling is completed, the drill bit continues to move downward to make the front end of the chamfering knife contact the drilling surface, thereby polishing and chamfering the surface, and with the downward movement, the chamfering knife sinks into the knife rod through the extension spring, the knife rod continues to move downward until the chamfering knife automatically opens after passing through the hole, and then the grinding knife is retracted, so that the other end of the chamfering knife polishes and chamfers the bottom of the drilling hole, the chamfering knife sinks into the guide rod again after polishing, and is naturally opened again after completely retracting, so that the drilling and chamfering are simultaneously completed, a plurality of holes can be processed at the same time, the working efficiency is improved, and the manpower and time are saved.

[0015] (2) The polishing device of the linking hole on the sunroof frame can flexibly install the position of the positioning column through the plurality of through holes arranged on the workbench, avoids the movement of the part during the processing, guarantees the processing precision, locks the lifting slide and the positioning column through the locking bolt, guarantees the stability of the slide, further guarantees the stability of the multi-axis mechanism, guarantees the processing precision of the grinding knife, and guarantees the stable quality. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this patent, are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and serve to explain the principles of the application. In the drawings:

[0017] Figure 1 A structure schematic view of a polishing device for linking holes on a sunroof frame according to an embodiment of the present application;

[0018] Figure 2 A structure schematic view of a multi-shaft mechanism according to an embodiment of the present application.

[0019] Figure 3 A structure schematic view of a polishing cutter according to an embodiment of the present application.

[0020] Figure 4 A cross-sectional schematic view of a polishing cutter according to an embodiment of the present application.

[0021] Explanation of reference signs:

[0022] 1-base; 2-linear slide rail; 3-workbench; 4-positioning column; 5-lifting slide block; 6-cross beam; 7-multi-shaft mechanism; 8-motor; 9-polishing cutter; 10-first air cylinder; 11-second air cylinder; 12-locking bolt; 13-positioning column; 71-driving shaft; 72-driven shaft; 73-main gear; 74-from gear; 91-cutter bar; 92-chamfering cutter; 93-fixing pin; 94-guiding column; 95-elastic extension spring; 96-locking bolt 96; 97-drill bit. DETAILED DESCRIPTION

[0023] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0025] In the description of the utility model, it is to explain, unless another explicit stipulation and limit, term " install " " link " " connection " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electric connection, can be direct connection, also can through intermediate medium indirectly connect, can be two element inside the intercommunication, for ordinary skilled person in the art, can understand the concrete meaning of above -mentioned term in the utility model through specific situation.

[0026] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0027] As Figures 1-4The utility model provides a kind of polishing device of sunroof frame link hole, including base 1, linear slide rail 2, workbench 3, positioning column 4, lifting slider 5, crossbeam 6, multi-axis mechanism 7, motor 8, polishing knife 9, first cylinder 10 and second cylinder 11;Linear slide rail 2, positioning column 4 and first cylinder 10 are respectively fixedly arranged on base 1, and the lower end of workbench 3 is provided with sliding block, and the sliding block is slidably connected with linear slide rail 2;Linear slide rail 2 both ends are provided with fixed baffle, and second cylinder 11 is installed on a fixed baffle, and the movable end of second cylinder 11 is connected with one end of workbench 3;Lifting slider 5 is slidably matched with positioning column 4, and the bottom end is fixedly connected with the output end of first cylinder 10, one end of crossbeam 6 is fixedly connected with lifting slider 5, and the other end is fixedly provided with motor 8, and the movable end of motor 8 is connected with multi-axis mechanism 7, and a plurality of polishing knives 9 are installed on multi-axis mechanism 7;The multi-axis mechanism 7 includes shell, and the shell is fixedly installed to crossbeam 6, a driving shaft 71 and a plurality of driven shafts 72 are rotatably sleeved in the shell, and the driving shaft 71 and each driven shaft 72 are arranged in parallel with each other, a main gear 73 is arranged on the driving shaft 71, a driven gear 74 is arranged on each driven shaft 72, adjacent two driven gears 74 are engaged with each other, the main gear 73 is engaged with any one driven gear 74, the driving shaft 71 is fixedly connected to the transmission shaft of motor 8, and one end of each driven shaft 72 is provided with a polishing knife 9, and the polishing knife 9 is detachably connected with the driven shaft 72, such as being fixed by screwing;The polishing knife 9 includes knife rod 91, chamfering tool 92, fixed pin 93, guide column 94 and telescopic spring 95, the fixed pin 93 is arranged in the knife rod 91, a long hole is vertically downwardly formed in one side of the knife rod 91 from the fixed pin 93, the long hole is perpendicular to the fixed pin 93, the chamfering tool 92 is arranged in the knife rod 91 through the long hole, the chamfering tool 92 is provided with a recess, the recess is clamped on the fixed pin 93, the bottom head of the chamfering tool 92 protrudes from the long hole, the guide column 94 is arranged on the top of the chamfering tool 92, the telescopic spring 95 is arranged on the top end of the guide column 94, the locking bolt 96 is arranged on the top end of the telescopic spring 95, and the locking bolt 96 is threadedly connected with the inner side of the knife rod 91, and the bottom end of the knife rod 91 is provided with drill bit 97, and the drill bit 97 and the knife rod 91 can be fixed by screwing, which is convenient to disassemble, maintain and replace.

[0028] In implementation, first, the part to be processed is fixed on the workbench 1, the second cylinder 11 is arranged to drive the workbench 1 to slide, so that the part to be processed is located directly below the polishing cutter 9; the first cylinder 10 is arranged to drive the lifting slide 5 to move downward, and then drive the cross beam 6 to move downward, so as to drive the multi-shaft mechanism to move downward, so that the drill bit 96 moves to the surface of the position to be processed; the motor 8 is arranged to drive the driving shaft 71 to rotate, and then drive the main gear 73 to rotate, the main gear 73 drives the meshing slave gear 74 to rotate, the slave gear 74 drives the adjacent slave gear 74 to rotate, and the slave gear 74 drives the driven shaft 72 to rotate, and then drives the polishing cutter 9 to rotate, so as to realize the synchronous rotation of the polishing cutter 9 driven by the rotation of the driving shaft 71, so as to realize the simultaneous multi-hole processing; the motor 8 is started, the first cylinder 10 is controlled to drive the polishing cutter 9 to move downward to start drilling and polishing, the drill bit 97 first drills a hole, after the drilling is completed, the drill bit 97 continues to move downward to make the front end of the chamfering cutter 92 contact the surface of the drilled hole, and then polish and chamfer the surface, continue to move downward, the cutter head of the chamfering cutter 92 moves to the inside of the cutter rod 91 under stress, since the top of the chamfering cutter 92 can rotate along the fixed pin 93, the extension spring 95 is in a compressed state, when the cutter head of the chamfering cutter 92 moves to the inside of the cutter rod 91, the extension spring 95 is opened to make the guide column 94 push the chamfering cutter 92 downward to rotate clockwise, so as to realize that the cutter head of the chamfering cutter 92 is completely inserted into the cutter rod 91, the cutter rod 91 continues to move downward until the chamfering cutter 92 passes through the drilled hole, at this time, the cutter head of the chamfering cutter 92 is not stressed, the guide column 94 makes the top of the chamfering cutter 92 rotate counterclockwise to return to normal, so that the cutter head of the chamfering cutter 92 naturally extends out of the cutter rod 91, then the first cylinder 10 is controlled to rise to start the tool withdrawal, at this time, the other end of the chamfering cutter 92 starts to polish and chamfer the bottom of the drilled hole, after polishing, the cutter head of the chamfering cutter 92 is stressed again to sink into the inside of the cutter rod 91, until completely withdrawn, and then naturally extended, so as to complete the drilling and polishing and chamfering at the same time, so as to realize the simultaneous multi-hole processing, and complete the drilling and polishing at the same time, improve the processing efficiency. The chamfering cutter 92 and the cutter rod 91 are connected through the fixed pin 93, a tool is used to loosen the locking bolt 96, so that the guide column 94 is not in abutment with the chamfering cutter 92, the top groove of the chamfering cutter 92 is disassembled from the fixed pin 93 through the long hole of the cutter rod 91, and then replaced or maintained; during installation, the top of the chamfering cutter 92 is clamped on the fixed pin 93 through the long hole, the locking bolt 96 is tightened to make the extension spring 95 in a compressed state, and then the guide column 94 is always in abutment with the chamfering cutter 92.

[0029] As Figure 1As shown, the workbench 3 is provided with a plurality of through holes, the position of the positioning column 13 can be flexibly installed and positioned, the part movement during processing is avoided, the processing precision is guaranteed, the locking bolt 12 is arranged, the lifting slider 5 can be fixed and locked on the positioning column 4, the stability of the lifting slider 5 is guaranteed, the stability of the multi-axis mechanism 7 is further guaranteed, the processing precision during polishing is guaranteed, and the quality stability is guaranteed.

[0030] The working principle of the polishing device for the linking holes of the sunroof frame is as follows: when the device is used, first, the part to be processed is fixed on the workbench 1, the workbench 1 is driven to slide by the second cylinder 11, so that the position to be processed of the part is directly below the polishing cutter 9; the lifting slider 5 is driven to move downward by the first cylinder 10, so that the drill bit 97 moves to the surface of the position to be processed; the motor 8 is arranged to drive the driving shaft 71 to rotate, drive the driven shaft 72 to rotate and further drive the polishing cutter 9 to rotate synchronously, so that the multi-hole processing is simultaneously performed; the motor 8 is started, the polishing cutter 9 is driven to move downward by the first cylinder 10 to start drilling and polishing, the drill bit 97 first drills a hole, after the drilling is completed, the drill bit 97 continues to move downward to make the front end of the chamfering cutter 92 contact the surface of the drilled hole, and then the surface is polished and chamfered, the chamfering cutter 92 is naturally extended from the cutter bar 91 by continuously moving downward, then the first cylinder 10 is controlled to rise to start the tool withdrawal, at this time, the other end of the chamfering cutter 92 starts to polish and chamfer the bottom of the drilled hole, until the tool is completely withdrawn, and then the chamfering cutter 92 is naturally extended again, so that the drilling and polishing chamfering are simultaneously completed, the multi-hole processing is simultaneously completed, the drilling and polishing are simultaneously completed, and the processing efficiency is improved.

[0031] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for deburring link holes in a roof frame, characterized in that: The utility model provides a kind of multi-axis mechanism, including base (1), linear slide rail (2), workbench (3), positioning column (4), lifting slider (5), crossbeam (6), multi-axis mechanism (7), motor (8), polishing cutter (9), first cylinder (10) and second cylinder (11);Linear slide rail (2), positioning column (4) and first cylinder (10) are respectively fixedly arranged on base (1), workbench (3) lower end is provided with slider, and slider is slidably connected with linear slide rail (2);Linear slide rail (2) both ends are provided with fixed baffle, and second cylinder (11) is installed on one fixed baffle, and one end of second cylinder (11) is connected with workbench (3);Lifting slider (5) is slidably connected with positioning column (4), bottom end is fixedly connected with the output end of first cylinder (10), one end of crossbeam (6) is fixedly connected with lifting slider (5), and the other end is provided with motor (8), and the movable end of motor (8) is connected with multi-axis mechanism (7), and a plurality of polishing cutters (9) are installed on multi-axis mechanism (7).

2. A device for polishing link holes on a sunroof frame according to claim 1, characterized in that: Multi-axis mechanism (7) includes a shell, the shell is fixedly installed to crossbeam (6), a driving shaft (71) and a plurality of driven shafts (72) are rotatably sleeved in the shell, and the driving shaft (71) and each driven shaft (72) are arranged in parallel with each other, a main gear (73) is arranged on the driving shaft (71), each driven shaft (72) is provided with a driven gear (74), and the adjacent two driven gears (74) are meshed with each other, the main gear (73) is meshed with any one driven gear (74), the driving shaft (71) is fixedly connected to the transmission shaft of the motor (8), and one end of each driven shaft (72) is provided with a polishing cutter (9).

3. A device for deburring link holes in a roof rack frame according to claim 2, characterized in that: The polishing cutter (9) is detachably connected with the driven shaft (72).

4. A device for polishing link holes on a sunroof frame according to claim 1, characterized in that: The polishing cutter (9) includes a cutter rod (91), a chamfering cutter (92), a fixing pin (93), a guide column (94) and a telescopic spring (95), the cutter rod (91) is provided with the fixing pin (93) inside, a long hole is vertically downwardly formed in one side of the cutter rod (91) from the fixing pin (93), the long hole is perpendicular to the fixing pin (93), the chamfering cutter (92) is arranged inside the cutter rod (91) through the long hole, the chamfering cutter (92) is provided with a groove, the groove is clamped on the fixing pin (93), the bottom cutter head of the chamfering cutter (92) protrudes out of the long hole, the guide column (94) is abutted and arranged on the top of the chamfering cutter (92), the telescopic spring (95) is arranged on the top end of the guide column (94), the locking bolt (96) is arranged on the top end of the telescopic spring (95), and the locking bolt (96) is threadedly connected with the inner side of the cutter rod (91).

5. A device for deburring link holes in a roof rack frame according to claim 4, characterized in that: The polishing cutter (9) further includes a drill bit (97), the drill bit (97) is arranged at the bottom end of the cutter rod (91), and the drill bit (97) is detachably connected with the cutter rod (91).

6. A device for deburring link holes in a roof rack frame according to claim 1, characterized in that: Locking bolts (12) are symmetrically arranged on both sides of the lifting slider (5), the locking bolts (12) are threadedly connected with the lifting slider (5), one end of the locking bolt (12) is abutted with the positioning column (4), and the other end is provided with a rotating knob.

7. A device for deburring link holes in a roof rack frame according to claim 1, characterized in that: A plurality of through holes are arranged on the workbench (3) for mounting the positioning column (13).

8. A device for deburring link holes in a sunroof frame according to claim 7, characterized in that: A transparent protective plate is arranged on the workbench (3), and the transparent protective plate is located on the side of the multi-axis mechanism (7) opposite to the operation.