Machining clamp for electric cabinet cover plate of new energy automobile

Abstract

The utility model relates to a processing clamp, in particular to a processing clamp for an electric cabinet cover plate of a new energy automobile, which comprises a clamp base, two groups of second gas detection fixing clamps, two groups of first gas detection fixing clamps, a support cylinder and a floating retreat pin, the clamp base is provided with a first station and a second station, and the second station is provided with two groups of second gas detection fixing clamps. The first station is provided with four groups of second gas detection fixing clamps, each group of second gas detection fixing clamps is composed of a second pressing end and two second supporting ends, the first station is provided with four groups of first gas detection fixing clamps, each group of first gas detection fixing clamps is composed of a first pressing end and a first supporting end, and the first supporting end is provided with a floating return pin. And the clamping procedure is simplified, and machining errors caused by repeated clamping are avoided.

Description

Technical Field

[0001] The utility model relates to a processing fixture, in particular to a processing fixture used for a cover plate of an electric control box of a new energy vehicle. Background Art

[0002] The electric control box cover is an important part of the electric control system of new energy vehicles. It protects internal components in the electric control system of new energy vehicles, reduces the impact of external electromagnetic waves on electronic components in the electric control box, and provides safety protection in terms of preventing electric shock and fire retardancy.

[0003] Under the condition that the existing technology meets the principle of three-point support and two-point positioning, the existing fixture process one uses two of the four bolt through holes on the workpiece for positioning and processes the remaining two through holes, and process two uses the two through holes processed in process one for positioning and processes the positioning holes in process one. This process has the problem of repeated clamping leading to processing errors; at the same time, process one will use three fixed supports and corresponding clamping, one auxiliary support and corresponding auxiliary clamping, and the three fixed support points and auxiliary support points are respectively on the end faces of the four bolt through holes, but the four bolt end faces have the problem of blank deformation and dimensional instability, and a lot of manpower is required for shape adjustment before processing. Summary of the Invention

[0004] The purpose of this utility model is to overcome the above shortcomings and provide a processing fixture for the electric control box cover of new energy vehicles.

[0005] The purpose of the utility model is achieved through the following technical solutions: a processing fixture for the electric control box cover of a new energy vehicle, comprising a fixture base, a second air inspection fixing clamp, a first air inspection fixing clamp, a support cylinder and a floating withdrawal pin. A first workstation and a second workstation are provided on the fixture base, and two groups of second air inspection fixing clamps are installed on the second workstation, each group of second air inspection fixing clamps consists of a second pressing end and two second supporting ends, and a positioning pin is provided on the second supporting end. A second anti-mistake guide block is installed on the fixture base between the two groups of second air inspection fixing clamps, and an anti-error block is installed next to the second air inspection fixing clamp and at the edge of the fixture base. Four groups of first air inspection fixing clamps are installed on the first workstation, and each group of first air inspection fixing clamps consists of a first pressing end and a first supporting end. A floating withdrawal pin is installed on the first supporting end, and a support cylinder is installed on the fixture base between the upper and lower groups of first air inspection fixing clamps.

[0006] A reverse flow valve and a plurality of first fool-proof guide blocks are installed on the fixture base.

[0007] A plurality of water spray nozzles are installed on the fixture base.

[0008] Compared with the prior art, the present invention has the following advantages:

[0009] 1. It can meet the processing needs of multiple similar workpieces, simplify the clamping process, and avoid processing errors caused by repeated clamping;

[0010] 2. Solve the problem of dimensional deviation caused by blank deformation;

[0011] 3. Reduced the cost of manual calibration, doubled the efficiency, and increased the output year-on-year;

[0012] 4. The application of floating retraction pin, second air inspection fixing clamp and first air inspection fixing clamp technology can prevent the tool from breaking during processing due to workpiece misalignment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a planar schematic diagram of the utility model;

[0014] Figure 2 It is a structural diagram of the utility model;

[0015] Numbers in the figure: fixture base-1, second pressing end-2, second supporting end-3, positioning pin-4, second air inspection fixing clamp-5, second fool-proofing guide block-6, anti-error block-7, first air inspection fixing clamp-8, first pressing end-9, first supporting end-10, floating withdrawal pin-11, supporting cylinder-12, reverse flow valve-13, water spray port-14, first fool-proofing guide block-15, first workstation-16, second workstation-17. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The elements and features described in one embodiment of the present invention can be combined with the elements and features shown in one or more other embodiments. It should be noted that for the purpose of clarity, the description omits the representation and description of components and processes that are not related to the present invention and are known to those of ordinary skill in the art. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present invention.

[0017] A processing fixture for the electric control box cover of a new energy vehicle includes a fixture base 1, a second air inspection fixing clamp 5, a first air inspection fixing clamp 8, a support cylinder 12 and a floating withdrawal pin 11. The fixture base 1 is provided with a first workstation 16 and a second workstation 17. Two groups of second air inspection fixing clamps 5 are installed on the second workstation 17. Each group of second air inspection fixing clamps 5 consists of a second pressing end 2 and two second supporting ends 3. A positioning pin 4 is provided on the second supporting end 3. A second anti-mistake guide block 6 is installed on the fixture base 1 between the two groups of second air inspection fixing clamps 5. An anti-error block 7 is installed next to the second air inspection fixing clamp 5 and at the edge of the fixture base 1 to prevent the workpiece from being installed incorrectly or not in place.

[0018] Four sets of first air inspection fixing clamps 8 are installed on the first work station 16. The use of the second air inspection fixing clamp 5 and the first air inspection fixing clamp 8 simplifies the clamping process and avoids processing errors caused by repeated clamping. When the four bolt through-hole end face blanks are deformed, there is no need to manually align the height differences of the four faces before processing. The four end faces of the workpiece can be directly leveled after being tightened by the fixing clamps, avoiding the deformation of the blanks and the resulting deviation of the processing size.

[0019] Each set of first air inspection fixing clamps 8 consists of a first pressing end 9 and a first supporting end 10. A floating withdrawal pin 11 is installed on the first supporting end 10 to prevent tool breakage during processing due to workpiece misalignment.

[0020] A support cylinder 12 is installed on the fixture base 1 between the upper and lower sets of first air inspection fixing clamps 8 to effectively support the parts of the workpiece with weaker rigidity. By replacing the support head on the support cylinder 12, a variety of similar workpieces can be processed.

[0021] A reverse flow valve 13 and a plurality of first foolproof guide blocks 15 are installed on the fixture base 1 to prevent the support cylinder 12 from retracting and failing to support the workpiece surface due to excessively fast flow of hydraulic oil in the support cylinder 12, thereby preventing the tool from vibrating.

[0022] A plurality of water spray nozzles 14 are installed on the fixture base 1 to avoid the problem of excessive machining dimensions caused by residual aluminum chips on the support surface.

[0023] Working principle:

[0024] 1. Place the workpiece on the first workstation 16 through the first foolproof guide block 15, and ensure that the two positioning holes of the workpiece are inside the floating withdrawal pin 11;

[0025] 2. The four rough surfaces of the workpiece are tightly attached to the first support end 10 on the first work station 16;

[0026] 3. Start the machine tool button;

[0027] 4. The pressing cylinder on the first station 16 drives the first pressing end 9 to move downward to press the workpiece;

[0028] 5. The support cylinder 12 rises and supports the workpiece surface to stop;

[0029] 6. Turn off the machine tool, lower the support cylinder 12, and move the first pressing end 9 upward to release the workpiece;

[0030] 7. The employee removes the workpiece from the first workstation 16 and moves it to the second workstation 17, and places the new workpiece into the first workstation 16 according to the above steps;

[0031] 8. After the initial processing, the workpiece passes through the second station anti-error block 7 to identify whether the part is installed in the wrong direction;

[0032] 9. The workpiece is placed on the second station 17 through the second foolproof guide block 6, and the two positioning holes of the workpiece are inside the positioning pins 4;

[0033] 10. The four machining surfaces of the workpiece are in close contact with the second support end 3 on the second work station 17;

[0034] 11. Start the machine tool button;

[0035] 12. The pressing cylinders on the first station 16 and the second station 17 respectively drive the first pressing end 9 and the second pressing end 2 to move downward to press the workpiece;

[0036] 13. Now the workpieces on the first station 16 and the second station 17 can be processed simultaneously;

[0037] 14. Repeat the above steps to achieve continuous processing of the workpiece.

[0038] Finally, it should be noted that although the present invention and its advantages have been described in detail above, it should be understood that various changes, substitutions, and modifications may be made without departing from the spirit and scope of the present invention as defined by the appended claims. Moreover, the scope of the present invention is not limited to the specific embodiments of the processes, devices, means, methods, and steps described in the specification. A person of ordinary skill in the art will readily understand from the disclosure of the present invention that existing and future-to-be-developed processes, devices, means, methods, or steps that perform substantially the same functions as the corresponding embodiments described herein or achieve substantially the same results may be used in accordance with the present invention. Therefore, the appended claims are intended to include such processes, devices, means, methods, or steps within their scope.

Claims

1. A processing fixture for a new energy vehicle electric control box cover, comprising a fixture base (1), a second air detection fixing clamp (5), a first air detection fixing clamp (8), a support cylinder (12) and a floating withdrawal pin (11), characterized in that: The fixture base (1) is provided with a first station (16) and a second station (17), and two groups of second gas detection fixing clamps (5) are installed on the second station (17), each group of second gas detection fixing clamps (5) consists of a second pressing end (2) and two second supporting ends (3), and a positioning pin (4) is provided on the second supporting end (3). A second anti-mistake guide block (6) is installed on the fixture base (1) between the two groups of second gas detection fixing clamps (5), and an anti-mistake block (7) is installed next to the second gas detection fixing clamp (5) and at the edge of the fixture base (1). Four groups of first gas detection fixing clamps (8) are installed on the first station (16), and each group of first gas detection fixing clamps (8) consists of a first pressing end (9) and a first supporting end (10), and a floating withdrawal pin (11) is installed on the first supporting end (10). A supporting cylinder (12) is installed on the fixture base (1) between the upper and lower groups of first gas detection fixing clamps (8).

2. A processing fixture for the electric control box cover of a new energy vehicle according to claim 1, characterized in that: A reverse flow valve (13) and a first foolproof guide block (15) are installed on the first station (16).

3. The processing fixture for the electric control box cover of a new energy vehicle according to claim 1 is characterized in that: A plurality of water spray ports (14) are mounted on the fixture base (1).

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