Surface milling and drilling platform for concave-convex table of automobile chassis
By introducing a buffer component and an adjustment component into the milling and drilling platform for the concave and convex surfaces of an automobile chassis, and utilizing the nonlinear stiffness characteristics of the buffer spring and the elasticity adjustment of the adjustment component, the impact force problem when the tool contacts the workpiece is solved, achieving stable buffering of the tool and extending its service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 上海宇创自动化科技有限责任公司
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-10
AI Technical Summary
In existing automotive chassis milling and drilling platforms, the impact force when the tool contacts the workpiece directly causes tool chipping or accelerated wear, affecting its service life.
The system employs a buffer assembly, including a buffer spring and an adjustment assembly. The buffer spring exhibits nonlinear stiffness characteristics when the tool contacts the workpiece. Through its design of being thin at both ends and thick in the middle, the buffer spring first deforms at both ends to absorb the impact force, and then gradually increases its stiffness in the middle. Combined with the adjustment assembly, the spring force can be adjusted to adapt to different working conditions.
It effectively absorbs the impact force when the tool comes into contact with the workpiece, reduces tool chipping and wear, increases tool life, and maintains the stability and versatility of the equipment.
Smart Images
Figure CN224102455U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile chassis processing, especially relates to a concave-convex platform milling and drilling platform for automobile chassis. BACKGROUND
[0002] The concave-convex platform milling and drilling platform for automobile chassis is a special tooling equipment for processing automobile chassis parts, and mainly functions to precisely process the concave-convex platform structure on the chassis in terms of drilling plane and drilling.
[0003] The existing concave-convex platform milling and drilling platform for automobile chassis can ensure the drilling precision of the concave-convex platform and the matching precision with other parts through precise numerical control system and tool path control, thereby improving the overall assembly quality and performance of the chassis.
[0004] However, in actual application scenarios, the existing drilling platform usually adopts rigid connection or single linear spring connection tool, so that there is a lack of nonlinear buffering design between the tool and the buffering device. When the tool contacts the workpiece, the impact force generated will be directly applied to the tool and the workpiece instantaneously, which may cause the tool to collapse or wear out, and is not conducive to improving the service life of the tool.
[0005] Therefore, the present application provides a concave-convex platform milling and drilling platform for automobile chassis to meet the needs. UTILITY MODEL CONTENTS
[0006] The utility model aims at solving the shortcomings in the prior art and provides a concave-convex platform milling and drilling platform for automobile chassis.
[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a concave-convex platform milling and drilling platform for automobile chassis, comprising a drilling platform body, a moving device connected to the drilling platform body, a milling device provided on one side of the moving device, and further comprising:
[0008] A buffering assembly is arranged between the milling device and the moving device, and the buffering assembly comprises a shell connected between the milling device and the moving device, a buffering spring piece arranged inside the shell, the thickness of the middle part of the buffering spring piece being greater than the thickness of the two ends, and the buffering spring pieces being arrayed in a vertical direction inside the shell.
[0009] An adjusting assembly is arranged inside the buffering assembly and used for adjusting the elasticity of the buffering spring piece, the adjusting assembly comprising a pressing plate arranged on the top of the buffering spring piece, a strip-shaped sliding block connected to the top of the pressing plate, a slide rail connected to one side of the shell close to the strip-shaped sliding block, and the strip-shaped sliding block and the slide rail being in sliding connection.
[0010] Further, the inside of the shell is rotatably connected with a rotating shaft, the rotating shaft is threadedly connected with the strip-shaped sliding block, one side of the shell close to the rotating shaft is connected with a motor, and the output end of the motor is connected with the rotating shaft.
[0011] The beneficial effect of the further scheme is that the thread groove on the rotating shaft drives the strip-shaped sliding block to slide along the slide rail, so that the height of the strip-shaped sliding block is automatically adjusted by the control system.
[0012] Further, one side of the milling device close to the shell is connected with a connecting piece, and the connecting piece is slidably connected with the strip-shaped sliding block.
[0013] The beneficial effect of the further scheme is that the connecting piece moves along with the milling device and pushes the buffer spring to deform, so that the milling device is quickly buffered.
[0014] Further, both sides of the connecting piece are connected with square sliding blocks, one side of the shell close to the square sliding blocks is connected with slide rods, and the square sliding blocks are slidably connected with the slide rods.
[0015] The beneficial effect of the further scheme is that the movement path of the connecting piece and the milling device is further limited, the stability of the connecting piece during movement is improved, and the vibration during movement is reduced.
[0016] Further, one side of the inside of the shell close to the square sliding blocks is connected with a buffer pad.
[0017] The beneficial effect of the further scheme is that the impact force suffered by the square sliding block and the connecting piece during falling is reduced, and the service life of the connecting piece and the square sliding block is improved.
[0018] Further, the top of the connecting piece is connected with a clamping seat, one side of the shell close to the clamping seat is connected with a baffle, and the clamping seat is clamped with the baffle.
[0019] The beneficial effect of the further scheme is that the movement distance of the milling device is further prevented from being too large, and the stability of the milling device during use is ensured.
[0020] Further, the rotating shaft is provided with an anti-skid coating.
[0021] The beneficial effect of the further scheme is that the movement of the connecting piece is prevented from being too fast, and the instantaneous impact force is prevented from being too large to exceed the upper limit of the buffer spring.
[0022] Compared with the prior art, the advantages and positive effects of the utility model are that:
[0023] 1. By setting the buffer assembly, the buffer spring is thin at both ends and thick in the middle, which has nonlinear stiffness characteristics. When the cutter and the workpiece are in contact, the thin part of the buffer spring deforms elastically first to absorb the impact force in a low stiffness buffer mode. The deformation of the buffer spring gradually increases, and the thick part in the middle gradually bears the force, and the stiffness linearly increases to prevent the buffer spring from deforming too much. The impact force when the milling cutter contacts the concave-convex table is directly applied to the cutter and the workpiece, reducing the risk of tool chipping and wear, ensuring good buffering effect, maintaining support stability, and prolonging the service life of the cutter.
[0024] 2. By setting the adjusting assembly, the buffer spring is welded and assembled in a vertical stacking manner to form an elastic assembly. By controlling the position of the pressing plate in the shell, the compression or relaxation state of the buffer spring can be controlled to adjust the spring force, so that the maximum buffering degree of the buffer spring can be adjusted according to actual processing requirements, ensuring that the equipment adapts to different working conditions and improving the versatility of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a front view of the utility model of a kind of automobile chassis concave-convex table milling face drilling platform;
[0026] Figure 2 It is the structure diagram of buffer assembly in the utility model of a kind of automobile chassis concave-convex table milling face drilling platform;
[0027] Figure 3 It is the structure diagram of adjusting assembly in the utility model of a kind of automobile chassis concave-convex table milling face drilling platform;
[0028] Figure 4 It is the side view of buffer spring in the utility model of a kind of automobile chassis concave-convex table milling face drilling platform;
[0029] Figure 5 It is the side view of shell in the utility model of a kind of automobile chassis concave-convex table milling face drilling platform.
[0030] REFERENCE NUMERALS
[0031] 1, drilling platform body;2, milling device;3, moving device;
[0032] 4, buffer assembly;41, shell;42, buffer spring;43, connecting piece;44, square slide;45, slide rod;46, buffer pad;47, baffle;48, clamping seat;49, anti-slip coating;
[0033] 5, adjusting assembly;51, pressing plate;52, strip slide;53, slide rail;54, rotating shaft;55, motor. DETAILED DESCRIPTION
[0034] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0035] As shown in Figures 1-5 The utility model provides a kind of technical scheme: a kind of automobile chassis concave-convex platform milling face drilling platform, including drilling platform body 1, mobile device 3 is connected on drilling platform body 1, one side of mobile device 3 is provided with milling face device 2, milling face device 2 is composed of servo motor, quick-change interface, drill bit, drill bit is installed in quick-change interface inside, servo motor drives rotating shell drives drill bit rotation, mobile device 3 is composed of servo motor, gear sliding block mechanism, servo motor drives the gear rotation of output end and along gear sliding block mechanism drive buffer assembly 4 along Z axis, X axis movement, further include:
[0036] As shown in Figures 1-4 Buffer assembly 4, buffer assembly 4 is placed between milling face device 2 and mobile device 3, buffer assembly 4 includes the shell 41 connected between milling face device 2 and mobile device 3, the inside of shell 41 is provided with buffer spring 42, the thickness of buffer spring 42 middle part is greater than the thickness of both ends, buffer spring 42 is arrayed distribution in the inside of shell 41 along vertical direction;
[0037] As shown in Figures 1-4As shown, the adjusting assembly 5 is arranged inside the buffer assembly 4 and used for adjusting the elasticity of the buffer spring 42, the adjusting assembly 5 comprises a pressing plate 51 arranged on the top of the buffer spring 42, the top of the pressing plate 51 is connected with a strip-shaped sliding block 52, the inside of the shell 41 is connected with a sliding rail 53 near one side of the strip-shaped sliding block 52, the strip-shaped sliding block 52 is in sliding connection with the sliding rail 53, by moving the cutter on the milling device 2 towards the workpiece, when the rotating cutter contacts the workpiece, an impact force is generated and acts on the milling device 2 instantaneously, due to the fact that the two ends of the buffer spring 42 are thinner than the middle part, the buffer spring 42 presents nonlinear stiffness when compressed, the thinner parts of the two ends of the buffer spring 42 are first elastically deformed, providing low stiffness buffering to absorb the impact when the cutter contacts the workpiece; when the deformation degree gradually increases, the middle part is gradually stressed, the stiffness is linearly gradually increased, the buffer spring 42 avoids excessive deformation, solves the problem that the impact force generated by the milling cutter and the concave-convex table acts on the cutter and the workpiece instantaneously, which may cause the cutter to collapse or aggravate the wear, and balances the buffering effect and maintains the support stability, which is beneficial to effectively absorb the instantaneous impact force when the cutter contacts the workpiece, is beneficial to improve the service life of the cutter, and the buffer spring 42 is stacked and welded together along the vertical direction, the sliding rail 53 is fixed in the inside of the shell 41 by using bolts, the strip-shaped sliding block 52 is pushed to slide along the sliding rail 53, the height of the pressing plate 51 in the inside of the shell 41 is controlled, and then the tightness of the buffer spring 42 after compression is relaxed, so as to conveniently adjust the elasticity of the buffer spring 42, and is beneficial to flexibly adjust the maximum buffering degree of the buffer spring 42, and adapt to different machining conditions.
[0038] Further, as shown in Figure 3 The inside of the shell 41 is rotatably connected with a rotating shaft 54, the rotating shaft 54 is in threaded connection with the strip-shaped sliding block 52, one side of the shell 41 is connected with a motor 55 near the rotating shaft 54, the output end of the motor 55 is connected with the rotating shaft 54, the motor 55 is fixed on the top of the shell 41 by using bolts, the motor 55 is started by using a control system, the motor 55 drives the rotating shaft 54 to rotate, the threaded groove on the rotating shaft 54 drives the strip-shaped sliding block 52 to slide along the sliding rail 53, so as to conveniently automatically adjust the height of the strip-shaped sliding block 52 by using the control system.
[0039] Further, as shown in Figure 3 One side of the milling device 2 is connected with a connecting piece 43 near the shell 41, the connecting piece 43 is in sliding connection with the strip-shaped sliding block 52, the connecting piece 43 is welded on the outside of the milling device 2, one end of the connecting piece 43 is in sliding connection with the rotating shaft 54, when the milling device 2 is stressed, the connecting piece 43 is convenient to move with the milling device 2 and push the buffer spring 42 to deform, so as to quickly buffer the milling device 2.
[0040] Further, as shown in Figure 3As shown, the two sides of the connecting piece 43 are connected with square sliding blocks 44, and the side of the shell 41 close to the square sliding blocks 44 is connected with a sliding rod 45, the square sliding blocks 44 are in sliding connection with the sliding rod 45, the bottom of the connecting piece 43 and the square sliding blocks 44 are connected by using the connecting piece 43 and the bolt, when the connecting piece 43 moves, the square sliding blocks 44 slide along the sliding rod 45 following the connecting piece 43, so as to further limit the moving path of the connecting piece 43 and the milling surface device 2, which is beneficial to improve the stability of the connecting piece 43 when moving and reduce the vibration when moving.
[0041] Further, as shown in the figure, Figure 3 As shown, the side of the shell 41 close to the square sliding blocks 44 is connected with a buffer pad 46, the buffer pad 46 is adhered in the inside of the shell 41 by using glue, and the buffer pad 46 is located at the bottom of the square sliding blocks 44, when the square sliding blocks 44 fall back, the buffer pad 46 buffers the impact force when the square sliding blocks 44 fall, reduces the impact force when the square sliding blocks 44 and the connecting piece 43 fall, and improves the service life of the connecting piece 43 and the square sliding blocks 44.
[0042] Further, as shown in the figure, Figure 5 As shown, the top of the connecting piece 43 is connected with a card seat 48, and the side of the shell 41 close to the card seat 48 is connected with a baffle 47, the card seat 48 is in clamping connection with the baffle 47, the baffle 47 is welded on the shell 41, and the card seat 48 is fixed on the connecting piece 43 by using the bolt, when the connecting piece 43 drives the card seat 48 to move upward, the baffle 47 limits the maximum moving distance of the card seat 48, further prevents the moving distance of the milling surface device 2 from being too large, and ensures the stability of the milling surface device 2 when in use.
[0043] Further, as shown in the figure, Figure 5 As shown, the rotating shaft 54 is provided with an anti-skid coating 49, the anti-skid coating 49 is sprayed on the rotating shaft 54, when the connecting piece 43 moves along the rotating shaft 54, the anti-skid coating 49 increases the friction between the connecting piece 43 and the rotating shaft 54, prevents the connecting piece 43 from moving too fast, and avoids that the instantaneous impact force is too large to exceed the upper limit of the buffer spring 42.
[0044] Working principle: as shown in the figure, Figures 1-5As shown, first, the motor 55 is started by the control system, the motor 55 drives the rotating shaft 54 to rotate, the threaded groove on the rotating shaft 54 drives the strip-shaped sliding block 52 to slide along the slide rail 53, the height of the pressing plate 51 inside the shell 41 is controlled, and then the tightness of the buffer spring 42 is compressed and relaxed, the elasticity of the buffer spring 42 is adjusted, the moving device 3 is started, the milling surface device 2 and the buffer assembly 4 are moved to the top of the workpiece, the milling surface device 2 is started, the moving device 3 drives the milling surface device 2 and the buffer assembly 4 to move downward, the cutter on the milling surface device 2 performs milling and drilling operation on the workpiece, when the cutter on the milling surface device 2 contacts the workpiece, instantaneous force is generated, the milling surface device 2 is forced to drive the connecting piece 43 to move along the rotating shaft 54, at this time, the thinner parts at both ends of the buffer spring 42 are elastically deformed first, providing low stiffness buffering to absorb the impact when the cutter contacts the workpiece; when the deformation degree gradually increases, the thicker side in the middle is gradually stressed, so that the stiffness is linearly gradually increased, the buffer spring 42 avoids excessive deformation, thereby balancing the buffering effect and maintaining the support stability, which is beneficial to effectively absorb the instantaneous impact force when the cutter contacts the workpiece, and the anti-skid coating 49 increases the friction force between the connecting piece 43 and the rotating shaft 54 to prevent the connecting piece 43 from moving too fast, when the connecting piece 43 moves, the square sliding block 44 slides along the slide rod 45 following the connecting piece 43, the movement path of the connecting piece 43 and the milling surface device 2 is limited, and the vibration generated during movement, at the same time, the baffle 47 limits the maximum movement distance of the clamping seat 48, when the milling operation is completed, the moving device 3 controls the milling surface device 2 and the buffer assembly 4 to move upward, at this time, the milling surface device 2 is affected by gravity and moves downward, the buffer pad 46 buffers the impact force of the square sliding block 44 when it falls back.
[0045] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments shall fall within the protection scope of the present application.
Claims
1. A concave-convex platform milling and drilling platform for automobile chassis, comprising a drilling platform body (1), a moving device (3) is connected to the drilling platform body (1), and a milling device (2) is arranged on one side of the moving device (3), characterized in that, Also include: Buffering assembly (4) is placed between the milling device (2) and the moving device (3), the buffering assembly (4) includes the shell (41) connected between the milling device (2) and the moving device (3), the inside of the shell (41) is provided with buffer spring (42), the thickness of the middle of the buffer spring (42) is greater than the thickness of both ends, the buffer spring (42) is arrayed in the vertical direction inside the shell (41); Adjusting assembly (5), the adjusting assembly (5) is placed in the inside of the buffering assembly (4) and is used for adjusting the elasticity of the buffer spring (42), the adjusting assembly (5) includes the pressing plate (51) arranged on the top of the buffer spring (42), the top of the pressing plate (51) is connected with the strip-shaped sliding block (52), the inside of the shell (41) is connected with the slide rail (53) on the side close to the strip-shaped sliding block (52), the strip-shaped sliding block (52) and the slide rail (53) are slidingly connected.
2. The platform for milling and drilling the concave-convex platform of the automobile chassis according to claim 1, characterized in that, The inside of the shell (41) is rotatably connected with the rotating shaft (54), the rotating shaft (54) is threadedly connected with the strip-shaped sliding block (52), one side of the shell (41) close to the rotating shaft (54) is connected with the motor (55), and the output end of the motor (55) is connected with the rotating shaft (54).
3. The platform according to claim 1, wherein, The side of the milling device (2) close to the shell (41) is connected with the connecting piece (43), and the connecting piece (43) is slidingly connected with the strip-shaped sliding block (52).
4. The platform for milling and drilling the concave-convex table of an automobile chassis according to claim 3, characterized in that, Both sides of the connecting piece (43) are connected with the square sliding block (44), one side of the shell (41) close to the square sliding block (44) is connected with the slide rod (45), and the square sliding block (44) and the slide rod (45) are slidingly connected.
5. The platform for milling and drilling of the concave-convex platform of the automobile chassis according to claim 4, characterized in that, One side of the inside of the shell (41) close to the square sliding block (44) is connected with the buffer pad (46).
6. The platform for milling and drilling of the concave-convex platform of the automobile chassis according to claim 3, characterized in that, The top of the connecting piece (43) is connected with the clamping seat (48), one side of the shell (41) close to the clamping seat (48) is connected with the baffle (47), and the clamping seat (48) and the baffle (47) are clamped.
7. The platform for milling and drilling the concave-convex platform of an automobile chassis according to claim 2, characterized in that, The rotating shaft (54) is provided with an antiskid coating (49).