Full-surface milling tool for communication cover plate

Abstract

The utility model relates to a communication cover plate full-surface milling tool which is characterized in that lateral bulges are respectively arranged on the front side edge and the rear side edge of a cover plate body of a communication cover plate, a process area is formed between every two adjacent lateral bulges, and a process clamping plate integrated with the cover plate body is arranged in the process area before milling; the tool is provided with a working table plate, and a first clamp which is pressed on the process clamping plate when the peripheral surface of the cover plate body is milled is mounted on the working table plate corresponding to the position of the process area; and second clamps which are rotationally pressed on the side edges of the two ends of the cover plate body to cut off the process clamping plates after the surface of the periphery of the cover plate body is milled are installed on the working table plates located at the left end and the right end of the cover plate body correspondingly. According to the cover plate, the process clamping plates are arranged in the process areas formed between the adjacent lateral protrusions on the front side edge and the rear side edge of the cover plate body, the process clamping plates can be used as the clamping areas to clamp the cover plate body, full-plane milling of the cover plate body is completed, and finally the process clamping plates are cut off.

Description

Technical Field

[0001] The utility model relates to the technical field of machining, in particular to a full-surface milling fixture for a communication cover plate. Background Art

[0002] In the structure of a communication cover plate, a plurality of protrusions are provided on the four peripheries of its body, and connection holes are machined on the protrusions. The area between adjacent protrusions on the two side edges in the length direction is a concave area. Technically, the four peripheral surfaces of the upper cover plate need to be machined comprehensively by milling. However, due to the very thin thickness of the communication cover plate, it cannot be effectively clamped during clamping. At the same time, if it is directly clamped on the side edge of the cover plate surface, the clamped part cannot be machined, so it is impossible to complete the full-surface milling of the cover plate surface in one-time clamping; if the bottom part of the cover plate is clamped, due to structural limitations, it cannot be effectively clamped, is not easy to position and is also easy to damage the cover plate. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is: in order to overcome the deficiencies in the prior art, the utility model provides a full-surface milling fixture for a communication cover plate that can be completed in one-time clamping.

[0004] The technical solution adopted by the utility model to solve its technical problem is: a full-surface milling fixture for a communication cover plate, the communication cover plate includes a cover plate body, lateral protrusions are respectively provided on the front and rear side edges of the cover plate body, end protrusions are respectively provided at the centers of the left and right side edges of the cover plate body, a hollowed-out process area is formed between adjacent lateral protrusions, and a process clamping plate integrated with the cover plate body is provided in the process area of the cover plate body before milling; the fixture has a workbench plate, the cover plate body is positioned and supported on the workbench plate, a first fixture is installed on the workbench plate corresponding to the position of the process area, the first fixture has a first pressing plate that rotates and presses on the process clamping plate when milling the four peripheral surfaces of the cover plate body; second fixtures are respectively installed on the workbench plates at the left and right ends of the cover plate body, and the second fixtures have second pressing plates that rotate and press on the two end side edges of the cover plate body after milling the four peripheral surfaces of the cover plate body to cut off the process clamping plate in the process area.

[0005] Further, a positioning post for positioning and supporting the cover plate body is provided below the cover plate body, the positioning post is adjustably installed on the workbench plate, and the installation position of the positioning post corresponds to the pressing points of the first pressing plate and the second pressing plate.

[0006] Specifically, the first fixture includes a first cylinder, a first support, a first connecting rod and a first swing rod. The first cylinder is fixed on the bottom surface of the workbench plate, the first support is fixed on the workbench plate, the lower end of the first connecting rod is fixedly connected with the piston rod of the first cylinder, the upper end of the first connecting rod is hinged with the rear end of the first pressing plate, the upper end of the first swing rod is hinged with the middle part of the first pressing plate, and the lower end of the first swing rod is hinged with the first support.

[0007] Specifically, the second fixture includes a second cylinder, a second support, a second connecting rod and a second swing rod. The second cylinder is fixed to the bottom surface of the workbench plate, the second support is fixed on the workbench plate, the lower end of the second connecting rod is fixedly connected to the piston rod of the second cylinder, the upper end of the second connecting rod is hinged to the rear end of the second pressing plate, the upper end of the second swing rod is hinged to the middle of the second pressing plate, and the lower end of the second swing rod is hinged to the second support.

[0008] Furthermore, positioning blocks for cooperating with the second fixture to position the cover plate body are provided on both side edges at the two ends of the cover plate body, and fixing blocks are fixed on the workbench plate, and the positioning blocks are fixed on the fixing blocks.

[0009] The beneficial effects of the present utility model are as follows: By supplementing a process clamping plate in the hollowed-out process area formed between adjacent lateral protrusions on the front and rear side edges of the cover plate body, the process clamping plate can be used as a clamping area to clamp the cover plate body, and the full-plane milling of the cover plate body can be completed. Finally, the process clamping plate is cut off, so that the comprehensive milling of the cover plate surface can be completed in one clamping, effectively ensuring the plane machining accuracy of the communication cover plate. Description of the Drawings

[0010] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0011] Figure 1 It is a schematic structural diagram of the cover plate body after milling according to the present utility model.

[0012] Figure 2 It is a schematic structural diagram of the cover plate body before milling according to the present utility model.

[0013] Figure 3 It is a schematic structural diagram of the milling of the cover plate body according to the present utility model.

[0014] Figure 4 It is Figure 3 an enlarged structural diagram of the first fixture shown at A in

[0015] Figure 5 It is a schematic structural diagram of the milling process area according to the present utility model.

[0016] Figure 6 It is Figure 5 an enlarged structural diagram of the second fixture shown at B in

[0017] In the figure: 1. Cover plate body, 2. Lateral protrusion, 3. End protrusion, 4. Process area, 5. Process clamping plate, 6. Workbench plate, 7. First fixture, 7-1. First pressing plate, 7-2. First cylinder, 7-3. First support, 7-4. First connecting rod, 7-5. First swing rod, 8. Second fixture, 8-1. Second pressing plate, 8-2. Second cylinder, 8-3. Second support, 8-4. Second connecting rod, 8-5. Second swing rod, 9. Positioning column, 10. Positioning block, 11. Fixed block. Detailed implementation mode

[0018] Now, the present utility model will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0019] As Figure 1 shown, a communication cover plate includes a cover plate body 1. Lateral protrusions 2 are respectively provided on the front and rear side edges of the cover plate body 1, and end protrusions 3 are respectively provided at the centers of the left and right side edges of the cover plate body 1. Connecting holes for installation are provided on both the lateral protrusions 2 and the end protrusions 3.

[0020] A hollow process area 4 is formed between adjacent lateral protrusions 2 of the cover plate body 1. In this embodiment, there are six process areas 4. A process clamping plate 5 integrally structured with the cover plate body 1 is provided in the process area 4 of the cover plate body 1 before milling, as Figure 2 shown.

[0021] As Figure 3 , Figure 4 shown, a full-surface milling tooling for a communication cover plate, the milling tooling has a workbench plate 6, and the workbench plate 6 is installed on the ground through two columns fixed on its bottom surface and arranged at a distance. A positioning column 9 for positioning and supporting the cover plate body 1 is provided below the cover plate body 1, and the positioning column 9 is adjustably installed on the workbench plate 6.

[0022] In this embodiment, there are three process areas 4 on each of the front side edge and the rear side edge of the cover plate body 1. Therefore, when milling the cover plate body 1, the first fixtures 7 are respectively installed on the workbench plate 6 at the positions corresponding to the process areas 4.

[0023] The first fixture 7 described above includes a first pressing plate 7-1, a first cylinder 7-2, a first support 7-3, a first connecting rod 7-4 and a first swing rod 7-5. Among them, the first cylinder 7-2 is fixed to the bottom surface of the workbench plate 6, the first support 7-3 is fixed to the workbench plate 6, the lower end of the first connecting rod 7-4 is fixedly connected to the piston rod of the first cylinder 7-2, the upper end of the first connecting rod 7-4 is hinged to the rear end of the first pressing plate 7-1, the upper end of the first swing rod 7-5 is hinged to the middle of the first pressing plate 7-1, and the lower end of the first swing rod 7-5 is hinged to the first support 7-3. When milling the peripheral surface of the cover body 1, under the action of the first cylinder 7-2, the first pressing plate 7-1 rotates and presses tightly on the process clamping plate 5, so that the milling process of the entire surface of the communication cover can be completed.

[0024] After completing the milling process of the entire surface of the communication cover, the first cylinder 7-2 lifts the first pressing plate 7-1, and the second fixture 8 is used to clamp the cover body 1, as Figure 5 、 Figure 6 shown. There are two sets of the second fixture 8, which are respectively installed on the workbench plates 6 at the left and right ends of the cover body 1. The second fixture 8 includes a second pressing plate 8-1, a second cylinder 8-2, a second support 8-3, a second connecting rod 8-4 and a second swing rod 8-5. Among them, the second pressing plate 8-1 includes a channel-shaped pressing plate part, the opening of the pressing plate part faces the cover body 1, and the middle of the back of the pressing plate part is an integral connecting rod. The second cylinder 8-2 is fixed to the bottom surface of the workbench plate 6, the second support 8-3 is fixed to the workbench plate 6, the lower end of the second connecting rod 8-4 is fixedly connected to the piston rod of the second cylinder 8-2, the upper end of the second connecting rod 8-3 is hinged to the rear end of the connecting rod of the second pressing plate 8-1, the upper end of the second swing rod 8-5 is hinged to the front end of the connecting rod of the second pressing plate 8-1, and the lower end of the second swing rod 8-5 is hinged to the second support 8-3.

[0025] A fixing block 11 is fixed on the workbench plate 6 inside the second pressing plate 8-1. A positioning block 10 is provided on the fixing block 11. A card slot is opened inside the positioning block 10. The cross-sectional shape of the card slot is the same as the shape formed by the two side edges and the end protrusion 3 at both ends of the cover body 1. The positioning block 10 is locked to the fixing block 11 to position both ends of the cover body 1. Under the action of the second cylinder 8-2, the two side edges of the pressing plate part of the second pressing plate 8-1 are pressed on the side edges at both ends of the cover body 1. Finally, the process clamping plate 5 where the process area 4 is located is cut off by means of copy milling.

[0026] The setting position of the above positioning post 9 on the workbench plate 6 corresponds to the pressing points of the first pressing plate 7-1 and the second pressing plate 8-1.

[0027] In the present utility model, a process clamping plate 5 is first supplemented in the hollowed-out process area 4 formed between adjacent lateral protrusions 2 on the front and rear side edges of the cover plate body 1, so that the process clamping plate 5 can be used as a clamping area to clamp the cover plate body 1, and the full-plane milling of the cover plate body 1 is completed. Finally, the process clamping plate 5 is cut off, so that the comprehensive milling of the surface of the cover plate body 1 can be completed in one clamping, effectively ensuring the plane machining accuracy of the communication cover plate.

[0028] Inspired by the above ideal embodiments of the present utility model, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A communication cover full surface milling tool, characterized by: The communication cover plate comprises a cover plate body (1), the front and rear sides of the cover plate body (1) are respectively provided with lateral protrusions (2), the centers of the left and right sides of the cover plate body (1) are respectively provided with end protrusions (3), a hollow process area (4) is formed between adjacent lateral protrusions (2), and the process area (4) of the cover plate body (1) before milling has a process clamping plate (5) with an integral structure with the cover plate body (1); the tooling has a workbench (6), the cover plate body (1) is positioned and supported on the workbench (6), and the position of the process area (4) corresponding to the position of the process area (4) is A first clamp (7) is installed on the workbench (6), and the first clamp (7) has a first pressing plate (7-1) that rotates and presses on the process clamp (5) when milling the four peripheral surfaces of the cover plate body (1); second clamps (8) are respectively installed on the workbench (6) located at the left and right ends of the cover plate body (1), and the second clamp (8) has a second pressing plate (8-1) that rotates and presses on the two end sides of the cover plate body (1) after the milling of the four peripheral surfaces of the cover plate body (1) is completed, so as to cut off the process clamp (5) in the process area (4).

2. The communication cover full surface milling tool as claimed in claim 1, characterized in that: A positioning column (9) for positioning and supporting the cover body (1) is provided below the cover body (1); the positioning column (9) is adjustably mounted on the workbench (6); and the setting position of the positioning column (9) corresponds to the pressing point of the first pressing plate (7-1) and the second pressing plate (8-1).

3. The communication cover full surface milling tool as claimed in claim 2, characterized in that: The first clamp (7) comprises a first cylinder (7-2), a first support (7-3), a first connecting rod (7-4) and a first swing rod (7-5); the first cylinder (7-2) is fixed to the bottom surface of the working table (6); the first support (7-3) is fixed to the working table (6); the lower end of the first connecting rod (7-4) is fixedly connected to the piston rod of the first cylinder (7-2); the upper end of the first connecting rod (7-4) is hinged to the rear end of the first pressure plate (7-1); the upper end of the first swing rod (7-5) is hinged to the middle part of the first pressure plate (7-1); and the lower end of the first swing rod (7-5) is hinged to the first support (7-3).

4. The communication cover full surface milling tool as claimed in claim 2, characterized in that: The second clamp (8) comprises a second cylinder (8-2), a second support (8-3), a second connecting rod (8-4) and a second rocker arm (8-5), wherein the second cylinder (8-2) is fixed to the bottom surface of the worktable (6), the second support (8-3) is fixed to the worktable (6), the lower end of the second connecting rod (8-4) is fixedly connected to the piston rod of the second cylinder (8-2), the upper end of the second connecting rod (8-4) is hinged to the rear end of the second pressure plate (8-1), the upper end of the second rocker arm (8-5) is hinged to the middle part of the second pressure plate (8-1), and the lower end of the second rocker arm (8-5) is hinged to the second support (8-3).

5. The communication cover full surface milling tool as claimed in claim 4, characterized in that: The sides of both ends of the cover body (1) are provided with positioning blocks (10) for cooperating with the second clamp (8) to position the cover body (1); a fixing block (11) is fixed on the workbench (6); and the positioning block (10) is fixed on the fixing block (11).

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