Automobile plate milling tool
By designing a multi-point uniform pressure and limit plate damping automotive sheet milling fixture, the problem of insufficient versatility of existing fixtures was solved, achieving efficient and precise workpiece locking and processing, and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202423269679.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing milling fixtures are often not versatile; a single fixture can only assemble one type of automotive panel, resulting in high production costs and large space requirements.
A milling fixture for automotive sheet metal parts was designed, comprising a base plate, a base, a support plate, a placement plate, a cylinder, a pressure plate, and a limiting plate. The workpiece is locked by a pressure head controlled by a cylinder. Combined with multi-point uniform pressure and the damping design of the limiting plate, the workpiece is stably locked. The fixture can be adapted to workpieces of different sizes and shapes through adjusting grooves and locking screws.
It improves processing accuracy and production efficiency, reduces production costs, enhances the applicability and versatility of tooling, simplifies operation procedures, and improves product quality.
Smart Images
Figure CN223802084U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile processing, more specifically, the utility model relates to a kind of automobile panel milling tooling. BACKGROUND
[0002] In modern automobile manufacturing industry, the manufacturing precision of vehicle body panel is directly related to the quality and performance of the whole vehicle. With the continuous improvement of consumers' requirements on automobile appearance, safety and comfort, and the increasingly stringent environmental protection regulations, manufacturers are constantly optimizing production processes to ensure that each piece of vehicle body panel can meet extremely high standards. Under this background, milling tooling, as a key processing auxiliary equipment, plays a crucial role.
[0003] Milling is a common metal cutting method, which removes the excess part of the material surface by rotating tool to achieve precise size control and smooth surface quality. For automobile panel, milling can be used for trimming edge, drilling, slotting and other operations to ensure perfect fit between parts and provide ideal substrate for subsequent painting process. The milling tooling in the prior art often does not have universality, and a tooling can only assemble one type of automobile panel. If multiple automobile panels need to be assembled, multiple toolings need to be provided, which not only increases production cost, but also occupies a large amount of factory space. SUMMARY
[0004] The utility model provides a kind of automobile panel milling tooling, the problem to be solved is that the existing milling tooling often does not have universality, and a tooling can only assemble one type of automobile panel.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of automobile panel milling tooling, including bottom plate, bottom plate is installed with pedestal, pedestal is fixedly installed with support plate, support plate is installed with placing plate, the top of support plate and the bottom of placing plate are separable contact, placing plate is used to place workpiece, pedestal is also fixedly installed with multiple air cylinders, the output end of air cylinder is fixedly connected with connecting column, the end portion away from air cylinder of connecting column is installed with pressing plate, pressing plate is movably installed with pin shaft, the bottom end of pin shaft is detachably connected with pressure head, bottom plate is installed with electric box, electric box is used to control the extension of air cylinder, the bottom end of pressure head is pressed tightly on the surface of workpiece by the contraction of air cylinder, and the locking of workpiece is realized.
[0006] In a preferred embodiment, the front and rear sides of the placing plate are fixedly provided with first shafts, the first shafts are rotatably connected with first limiting sheets, the inner sides of the first limiting sheets are flush with the front or rear sides of the placing plate, the length of the first limiting sheet is greater than the distance between the center of the first shaft and the side of the front or rear side of the placing plate, and dampers are arranged between the first shafts and the first limiting sheets, so that the inner side of the first limiting sheet is always in contact with the surface of the workpiece when the first limiting sheet is vertically arranged.
[0007] In a preferred embodiment, the left and right sides of the placing plate are fixedly provided with second shafts, the second shafts are rotatably connected with second limiting sheets, the inner sides of the second limiting sheets are flush with the left or right sides of the placing plate, the length of the second limiting sheet is greater than the distance between the center of the second shaft and the side of the left or right side of the placing plate, and dampers are arranged between the second shafts and the second limiting sheets, so that the inner side of the second limiting sheet is always in contact with the surface of the workpiece when the second limiting sheet is vertically arranged.
[0008] In a preferred embodiment, the pressing plate is of a T-shaped structure, the pressing plate is provided with a first adjusting groove and a second adjusting groove, the first adjusting groove and the second adjusting groove are perpendicular to and communicate with each other, a pin shaft is slidably arranged in the first adjusting groove or the second adjusting groove, the bottom end of the pin shaft is threadedly connected with the pressing head, a threaded portion is arranged on the pin shaft, two pressing sheets are threadedly arranged on the threaded portion, the two pressing sheets are arranged on the upper and lower surfaces of the pressing plate respectively, and the two pressing sheets are in contact with and locked with the upper and lower surfaces of the pressing plate respectively, so as to limit the position of the pin shaft in the first adjusting groove or the second adjusting groove.
[0009] In a preferred embodiment, the side edge of the pressing plate is provided with a locking screw, a threaded hole is arranged on the pin shaft, the locking screw is matched with the threaded hole, and the locking screw is used for limiting the rotation of the pin shaft in the first adjusting groove or the second adjusting groove.
[0010] In a preferred embodiment, the input end of the air cylinder is connected with an air pipe, the air pipe is connected with an external air source, the external air source is arranged in the base, and an adjusting valve is arranged on the air pipe and used for adjusting the air pressure of the air pipe.
[0011] In a preferred embodiment, a manual valve is arranged on one side of the base, the manual valve is used for controlling the pressure of the external air source, and a handle is arranged on the base.
[0012] The automobile plate milling tool provided by the utility model has the characteristics of high efficiency, precision and flexibility, solves the limitations of traditional tools, and significantly improves the production efficiency and product quality in the automobile manufacturing process. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a schematic view of one embodiment of the overall structure of the utility model.
[0014] Figure 2 It is another embodiment of the schematic view of the overall structure of the utility model.
[0015] Figure 3 It is the utility model Figure 2 The enlarged schematic view of the structure at A.
[0016] Figure 4 It is the structure schematic view of the locking part of the utility model.
[0017] Figure 5 It is the structure schematic view of the pin shaft and the pressure head of the utility model.
[0018] The figure mark is: 1, bottom plate;11, electric box;12, handle;2, base;21, support plate;22, air cylinder;221, connecting column;222, air pipe;23, hand valve;24, regulating valve;3, placing plate;31, first shaft;32, first limit piece;33, second shaft;34, second limit piece;4, pressing plate;41, first adjusting groove;42, second adjusting groove;5, pin shaft;51, pressure head;52, pressing piece;53, locking screw;54, threaded part;55, threaded hole;56, knob;100, workpiece. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model. EMBODIMENT
[0020] Refer to the description accompanying Figures 1-5 A kind of automobile plate milling tool, including bottom plate 1, bottom plate 1 is installed with base 2, base 2 is fixedly installed with support plate 21, support plate 21 is installed with placing plate 3, the top of support plate 21 and the bottom of placing plate 3 are separable contact, placing plate 3 is used to place workpiece 100, base 2 is also fixedly installed with multiple air cylinders 22, the output end of air cylinder 22 is fixedly connected with connecting column 221, the end portion of connecting column 221 away from air cylinder 22 is installed with pressing plate 4, pressing plate 4 is movably installed with pin shaft 5, the bottom end of pin shaft 5 is detachably connected with pressure head 51, bottom plate 1 is installed with electric box 11, electric box 11 is used to control the retraction of air cylinder 22, the bottom end of pressure head 51 is pressed tightly on the surface of workpiece 100 by the contraction of air cylinder 22, and the locking of workpiece 100 is realized.
[0021] It should be noted that the number of support plates 21 is set to be multiple, and the multiple support plates 21 are uniformly arranged to ensure that the placement plate 3 is supported on the multiple support plates 21 when the air cylinder 22 is contracted to the shortest, and the multiple support plates 21 provide support force for the placement plate 3.
[0022] It should be further pointed out that the multiple air cylinders 22 are synchronously extended and retracted, each air cylinder 22 can have a separate air source control, or share an air source to control the extension and retraction of the multiple air cylinders 22.
[0023] The front and rear sides of the placement plate 3 are fixedly provided with first shafts 31, the first shafts 31 are rotatably connected with first limiting sheets 32, the inner sides of the first limiting sheets 32 are flush with the front or rear sides of the placement plate 3, and the lengths of the first limiting sheets 32 are greater than the distances between the centers of the first shafts 31 and the side edges of the front or rear sides of the placement plate 3. Dampers are arranged between the first shafts 31 and the first limiting sheets 32 to ensure that the inner sides of the first limiting sheets 32 are always in contact with the surface of the workpiece 100 when the first limiting sheets 32 are vertically arranged.
[0024] It should be noted that the dampers arranged between the first shafts 31 and the first limiting sheets 32 indicate that when the first limiting sheets 32 rotate about the first shafts 31, any angle of rotation can maintain the angle of the first limiting sheets 32, so as to limit the sliding of the workpiece 100 in the left-right direction. Similarly, the second shafts 33 and the second limiting sheets 34 are the same.
[0025] The left and right sides of the placement plate 3 are fixedly provided with second shafts 33, the second shafts 33 are rotatably connected with second limiting sheets 34, the inner sides of the second limiting sheets 34 are flush with the left or right sides of the placement plate 3, and the lengths of the second limiting sheets 34 are greater than the distances between the centers of the second shafts 33 and the side edges of the left or right sides of the placement plate 3. Dampers are arranged between the second shafts 33 and the second limiting sheets 34 to ensure that the inner sides of the second limiting sheets 34 are always in contact with the surface of the workpiece 100 when the second limiting sheets 34 are vertically arranged.
[0026] The pressing plate 4 has a T-shaped structure, the pressing plate 4 is provided with a first adjusting groove 41 and a second adjusting groove 42, the first adjusting groove 41 and the second adjusting groove 42 are perpendicular to each other and communicate with each other, a pin shaft 5 is slidingly arranged in the first adjusting groove 41 or the second adjusting groove 42, the bottom end of the pin shaft 5 is threadedly connected with a pressing head 51, the pin shaft 5 is provided with a threaded portion 54, two pressing sheets 52 are threadedly sleeved on the threaded portion 54, the two pressing sheets 52 are respectively located on the upper and lower surfaces of the pressing plate 4, and the two pressing sheets 52 are respectively in contact and locked with the upper and lower surfaces of the pressing plate 4 to limit the position of the pin shaft 5 in the first adjusting groove 41 or the second adjusting groove 42.
[0027] It should be noted that, as Figure 4As shown, two or other number of pin shafts 5 can be installed on one pressing plate 4 to adapt to different sizes and shapes of workpieces 100, and in actual use, the pin shafts 5 on the same pressing plate 4 can also be arranged in different lengths to facilitate locking of different height positions on the same workpiece 100, thereby improving the applicability of the tooling and solving the technical problem that the existing milling tooling often does not have universality, and one tooling can only assemble one type of automobile plate.
[0028] The side edge of the pressing plate 4 is penetrated by locking screws 53, and the pin shaft 5 is provided with a threaded hole 55, the locking screw 53 is matched with the threaded hole 55, and is used to limit the rotation of the pin shaft 5 in the first adjusting groove 41 or the second adjusting groove 42.
[0029] It should be noted that by adjusting the position of the pin shaft 5 in the first adjusting groove 41 or the second adjusting groove 42, different sizes of workpieces 100 are adapted, and after the position of the pin shaft 5 in the first adjusting groove 41 or the second adjusting groove 42 is determined, the locking screw 53 is used to penetrate from the side of the pressing plate 4 into the first adjusting groove 41 or the second adjusting groove 42, and is matched with the threaded hole 55 on the pin shaft 5, so as to lock the position of the pin shaft 5, avoid that the locking force of the tooling on the workpiece 100 is not enough during milling, and cause the workpiece 100 to move and cause processing deviation.
[0030] The input end of the air cylinder 22 is connected with an air pipe 222, the air pipe 222 is connected with an external air source, the external air source is arranged in the base 2, and the air pipe 222 is provided with an adjusting valve 24, and the adjusting valve 24 is used to adjust the air pressure of the air pipe 222.
[0031] A manual valve 23 is installed on one side of the base 2, the manual valve 23 is used to control the pressure of the external air source, and a handle 12 is installed on the base plate 1.
[0032] A knob 56 is fixedly sleeved above the pin shaft 5, the knob 56 is convenient for rotating the pin shaft 5 and realizing the connection of the pin shaft 5 with the pressing head 51.
[0033] In this embodiment, the specific implementation scenario is that according to the shape structure of the workpiece 100, different lengths of pin shafts 5 are selected, the positions required for positioning of the pin shafts 5 are determined, the pin shafts 5 are prepared, the pin shafts 5 are installed on the pressing plate 4, then the workpiece 100 is placed on the placing plate 3, the position of the workpiece 100 is adjusted, then the first limiting piece 32 and the second limiting piece 34 are rotated to limit the front, back, left and right sides of the workpiece 100 respectively, then the starting of the air cylinder 22 is controlled through the electric box 11, the connecting column 221 drives the pressing plate 4 to move downward, and the plurality of pressing heads 52 press on the predetermined positions of the workpiece 100 to lock the workpiece 100.
[0034] The utility model discloses a plurality of air cylinders 22 synchronous telescoping and pressing head 51 to the workpiece 100 even pressure of many points, ensure that the workpiece keeps stable and does not move in the milling process.This design effectively avoids the processing error caused by the workpiece movement, thereby improving the processing precision.
[0035] The design of the first adjusting groove 41 and the second adjusting groove 42 allows the position of the pin shaft 5 to be adjusted according to the specific size of the workpiece 100, so that the same set of tooling can adapt to workpieces of different shapes and sizes, greatly improving the application range of the tooling.
[0036] By providing pin shafts 5 of different lengths, the locking needs of different height positions on the workpiece can also be met, further enhancing the versatility of the tooling.
[0037] The electric box 11 centrally controls the actions of all the air cylinders 22, realizing the automation of the workpiece loading and unloading and locking process, not only saving manual operation time, but also reducing the uncertainty caused by human factors and improving production efficiency.
[0038] The design of the first limiting sheet 32 and the second limiting sheet 34 effectively limits the sliding of the workpiece 100 in the left-right direction, and at the same time, due to its damping characteristics, it can maintain a fixed posture at any angle, providing additional safety protection for the workpiece.
[0039] The design of the pressing sheet 52: by clamping the pin shaft 5 from the upper and lower sides with two pressing sheets 52, the pin shaft is prevented from rotating or loosening during work, ensuring the stability of the pressing force.
[0040] The manual valve 23 and the adjusting valve 24 allow the operator to easily adjust the air source pressure to adapt to workpieces of different materials or thicknesses, optimizing the clamping force.
[0041] The knob 56: it is convenient for the operator to quickly install or disassemble the pin shaft 5 and the pressing head 51, simplifying the preparation work and improving the work efficiency.
[0042] The modular connection mode between the base 2, the support plate 21, the placing plate 3 and other components facilitates the disassembly and replacement of damaged parts, reduces the maintenance cost and shortens the maintenance period.
[0043] In summary, the automobile panel milling tooling provided by the utility model combines the characteristics of high efficiency, precision and flexibility, not only solves the limitations of traditional tooling, but also significantly improves the production efficiency and product quality in the automobile manufacturing process.
[0044] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.
Claims
1. An automotive panel milling fixture, characterized by: The utility model provides a workpiece locking device, including bottom plate (1), the bottom plate (1) is installed with base (2), the base (2) is fixedly installed with support plate (21), the support plate (21) is installed with the placement plate (3), the top of support plate (21) with the bottom of placement plate (3) is separable contact, the placement plate (3) is used to place workpiece (100), the base (2) is still fixedly installed with a plurality of air cylinders (22), the output of air cylinder (22) is fixedly connected with connecting column (221), the end away from air cylinder (22) of connecting column (221) is installed with pressing plate (4), the pressing plate (4) is movably installed with pin shaft (5), the bottom end of pin shaft (5) is detachably connected with pressure head (51), the bottom plate (1) is installed with electric box (11), and the electric box (11) is used to control the retraction of air cylinder (22), and the bottom end of pressure head (51) is pressed tightly on the surface of workpiece (100) through the contraction of air cylinder (22), and the locking of workpiece (100) is realized.
2. The automotive panel milling fixture of claim 1, wherein: The front and rear sides of the placement plate (3) are fixedly installed with first shafts (31), the first shafts (31) are rotatably connected with first limiting sheets (32), the inner sides of the first limiting sheets (32) are flush with the front or rear sides of the placement plate (3), and the lengths of the first limiting sheets (32) are greater than the distances between the centers of the first shafts (31) and the sides of the front or rear sides of the placement plate (3), dampers are arranged between the first shafts (31) and the first limiting sheets (32) to ensure that the inner sides of the first limiting sheets (32) are always in contact with the surface of the workpiece (100) when the first limiting sheets (32) are vertical.
3. The automotive panel milling fixture of claim 2, wherein: The left and right sides of the placement plate (3) are fixedly installed with second shafts (33), the second shafts (33) are rotatably connected with second limiting sheets (34), the inner sides of the second limiting sheets (34) are flush with the left or right sides of the placement plate (3), and the lengths of the second limiting sheets (34) are greater than the distances between the centers of the second shafts (33) and the sides of the left or right sides of the placement plate (3), dampers are arranged between the second shafts (33) and the second limiting sheets (34) to ensure that the inner sides of the second limiting sheets (34) are always in contact with the surface of the workpiece (100) when the second limiting sheets (34) are vertical.
4. The automotive panel milling tooling of claim 3, wherein: The pressing plate (4) is of T-shaped structure, first adjusting groove (41) and second adjusting groove (42) are formed on the pressing plate (4), the first adjusting groove (41) and the second adjusting groove (42) are perpendicular to each other and communicate, the pin shaft (5) is slidably arranged in the first adjusting groove (41) or the second adjusting groove (42), the bottom end of the pin shaft (5) is threadedly connected with the pressing head (51), the pin shaft (5) is provided with a threaded portion (54), two pressing plates (52) are threadedly sleeved on the threaded portion (54), the two pressing plates (52) are respectively located on the upper and lower surfaces of the pressing plate (4), and the two pressing plates (52) are respectively in contact and locked with the upper surface and the lower surface of the pressing plate (4), so as to limit the position of the pin shaft (5) in the first adjusting groove (41) or the second adjusting groove (42).
5. The automotive panel milling fixture of claim 4, wherein: The side edge of the pressing plate (4) penetrates the locking screw (53), the pin shaft (5) is provided with a threaded hole (55), the locking screw (53) is matched with the threaded hole (55), and the pin shaft (5) is limited in the first adjusting groove (41) or the second adjusting groove (42) from rotating.
6. A fixture for milling an automotive panel according to claim 5, wherein: The input end of the air cylinder (22) is connected with an air pipe (222), the air pipe (222) is connected with an external air source, the external air source is arranged in the base (2), and the air pipe (222) is provided with an adjusting valve (24), the adjusting valve (24) is used for adjusting the air pressure of the air pipe (222).
7. The automotive panel milling fixture of claim 6, wherein: One side of the base (2) is provided with a hand valve (23), the hand valve (23) is used for controlling the pressure of the external air source, and the bottom plate (1) is provided with a handle (12).