Small-hole-distance multi-hole tapping device
A technology of tapping device and hole spacing, which is applied in positioning device, tangent device, clamping and other directions, can solve problems such as low processing efficiency, and achieve the effects of convenient operation, convenient installation and simple structure
Active Publication Date: 2012-02-29
上海英祺精密零件制造有限公司
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Problems solved by technology
[0003] The minimum center distance of the tapping shafts of the multi-hole tapping machines purchased on the market is greater than 25mm, and the minimum center distance of the screw holes of the sheet metal multi-screw tapping parts involved in the present invention is only 12mm. The multi-hole tapping machine cannot complete the tapping of all the screw holes in one clamping. The purpose of using the multi-hole tapping machine is to improve the processing efficiency. It is especially important to complete the tapping of all the screw holes in one clamping
[0004] In the existing technology, it is necessary to pre-process the screw holes with a center distance of more than 25 mm in the tapping parts, and then adjust the center distance of the tapping shaft of the tapping machine to complete the remaining screw holes, that is, the screw holes with a center distance of less than 25 mm The tapping needs to be completed twice, and the two tapping needs to be completed by two clamping or on two tapping machines, and the processing efficiency is low
Method used
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Embodiment
[0028] like Figure 1-7 Shown, a kind of small-pitch multi-hole tapping device is used to carry out one-time clamping multi-hole tapping on the tapping part 16. The outer diameter of the tapping shaft 4 is composed of large and small stepped shafts. There is a group of different diameters on the baffle plate 14. The large-diameter stepped shaft can pass through the large hole on the baffle plate 14 and tap downwards. When the tapping shaft 4 descends and encounters the small hole on the baffle plate 14, the large-diameter stepped shaft on the tapping shaft 4 is blocked. The plate 14 blocks and cannot go down. The number of descending tappings of the tapping shaft 4 can be selected by the position change of the baffle plate 14, and different stations can be selected by the position change of the upper backing plate 17, so that the screw holes with small center distance can be used in different positions. Tapping is completed on the station.
[0029] The small hole pitch porous...
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The invention relates to a small-hole-distance multi-hole tapping device. The device comprises a frame device, a multi-hole tapping head arranged on the frame device, a movable tapping jig device arranged on the frame device and a tapping shaft selection device arranged on the movable tapping jig device, wherein the multi-hole tapping head is driven by an electric motor to move up and down and rotate around tapping shafts; the tapping shaft selection device is driven by an air cylinder to change the amount of the working tapping heads; and the movable tapping jig device is driven by the air cylinder to change the processing position of the part, and all the devices are driven and controlled by a logic circuit. The tapping device of the invention has simple structure and easy operation, and is used to complete the small-hole-distance tapping of the one-time-clamping and tapping part through the automatic switching of two working positions.
Description
technical field [0001] The invention relates to a small-pitch multi-hole tapping device, in particular to one-time clamping of a tapping part to complete the small-pitch tapping process through the automatic switching of two stations. Background technique [0002] It is a technical problem in this field to complete the multi-hole tapping with small hole pitch in one clamping. [0003] The minimum center distance of the tapping shafts of the multi-hole tapping machines purchased on the market is greater than 25mm, and the minimum center distance of the screw holes of the sheet metal multi-screw tapping parts involved in the present invention is only 12mm. The multi-hole tapping machine cannot complete the tapping of all the screw holes in one clamping. The purpose of using the multi-hole tapping machine is to improve the processing efficiency. It is especially important to complete the tapping of all the screw holes in one clamping. [0004] In the existing technology, it is...
Claims
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IPC IPC(8): B23G1/20B23G1/48B23Q3/06B23Q1/25
Inventor 高进
Owner 上海英祺精密零件制造有限公司