Efficient bolt tightening device for gas engine production

Abstract

The utility model discloses an efficient bolt tightening device for gas engine production, which comprises a workbench, the upper surface of the workbench is provided with a positioning groove and a sliding groove, the interior of the sliding groove is slidably connected with a mounting frame, the surface of the mounting frame is slidably connected with an air cylinder, the upper surface of a mounting plate is fixedly connected with a tightening mechanism and an air pump, and the upper surface of the mounting plate is fixedly connected with the air pump. A pre-contact assembly is arranged on the surface of the mounting plate, the output end of the air pump is fixedly connected with an air guide pipe, the pre-contact assembly is composed of two right-angle plates, two elastic pieces, gauze and an isolation frame, the upper ends of the right-angle plates penetrate through the mounting plate and are slidably connected with the mounting plate, and the elastic pieces and the isolation frame are slidably connected with the lower ends of the right-angle plates. The left and right ends of the upper surface of the gauze are fixedly connected with the two elastic pieces, and the isolation frame is fixedly connected with the gas-guide tube. Through the structure, the influence of impurities and greasy dirt on the bolt tightening device is reduced, and the overhauling difficulty of the device is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gas engine production, especially relates to a high -efficient bolt tightening device for gas engine production. BACKGROUND

[0002] The bolt tightening device is used to fix the shell during the production of the gas engine, but the impurities and oil stains on the surface of the bolt cannot be cleaned directly after the bolt is placed in the screw hole of the engine shell, the accumulated impurities and oil stains on the tightening end of the bolt tightening device reduce the friction of the tightening device after long-term use, and the effect of the bolt tightening device is affected, the "engine bolt tightening device" disclosed by the Chinese patent network has the application number "202020212570. SUMMARY

[0003] The utility model discloses a high -efficient bolt tightening device for gas engine production, reduces the influence of impurities and oil stains on the friction of the tightening device, improves the stability of the tightening device for fixing the bolt, and reduces the maintenance difficulty of the device.

[0004] The utility model discloses still provide with above -mentioned one kind for gas engine production's high -efficient bolt tightening device, it includes: workbench, the upper surface of workbench is provided with positioning recess, sliding slot, the inside sliding connection of sliding slot has installation frame, the surface of installation frame is slidably connected with air cylinder, the output of air cylinder is fixedly connected with mounting plate, the upper surface of mounting plate is fixedly connected with tightening mechanism, air pump, the lower end of tightening mechanism penetrates mounting plate, the surface of mounting plate is provided with pre -contacting component, the output of air pump is fixedly connected with gas guide pipe, the lower end of gas guide pipe and pre -contacting component are fixedly connected, pre -contacting component is by two right angle board, two elastic sheets, a gauze, an isolation frame is formed, the upper end of right angle board penetrates mounting plate and is slidably connected with mounting plate, the lower end of elastic sheet, isolation frame and right angle board is slidably connected, the left and right ends on the upper surface of gauze are fixedly connected with two elastic sheets, the isolation frame is fixedly connected with gas guide pipe.

[0005] According to the high -efficient bolt tightening device for gas engine production, the inside of the positioning recess is fixedly connected with the rubber pad, and the rubber pad is in contact with the engine shell.

[0006] The utility model relates to a high -efficient bolt tightening device for gas engine production, the upper surface of work table is fixedly connected with no rod cylinder, the output of no rod cylinder is fixedly connected with mounting bracket.

[0007] The utility model relates to a high -efficient bolt tightening device for gas engine production, the upper surface of mounting bracket is fixedly connected with automatic telescopic link, the output of automatic telescopic link is fixedly connected with the rear surface of cylinder. Improve the convenience of moving cylinder.

[0008] The utility model relates to a high -efficient bolt tightening device for gas engine production, the upper surface of mounting plate is fixedly connected with return spring, and the upper end of return spring is fixedly connected with right angle board. Improve the smoothness of mounting plate reset.

[0009] The utility model relates to a high -efficient bolt tightening device for gas engine production, the inner wall of isolation frame is fixedly connected with sticky paste, and the gas outlet of gas guide pipe is distributed opposite before and after. Limit the splash range of impurities and oil dirt.

[0010] The utility model relates to a high -efficient bolt tightening device for gas engine production, and the tightening mechanism is composed of servo motor, connecting rod, nut sleeve, the output of connecting rod and servo motor is fixedly connected, and the upper end of nut sleeve is located in the inside of connecting rod. Improve the convenience of using tightening mechanism.

[0011] The utility model relates to a high -efficient bolt tightening device for gas engine production, and the width and length of isolation frame are greater than the diameter of nut sleeve, when using the device, the lower end of tightening mechanism is not in contact with the inner wall of isolation frame. Improve the smoothness of tightening mechanism use.

[0012] Beneficial effects:

[0013] Compared with the prior art, the high -efficient bolt tightening device for gas engine production, through right angle board, return spring, elastic sheet, gauze, isolation frame, air pump, gas guide pipe, utilizes the mode of blowing to clean the impurities at engine bolt place, and the sticky paste in the isolation frame limits the splash range of blowing impurities, and the gauze directly avoids the influence of the oil dirt attached to the bolt surface on the tightening end of the device, and the stress rising structure reduces the influence of impurity, oil dirt processing part on bolt tightening work. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further explained in connection with the drawings and embodiments;

[0015] Figure 1The utility model relates to a front view structure drawing of high -efficient bolt tightening device for gas engine production,

[0016] Figure 2 The utility model relates to a back view structure drawing of high -efficient bolt tightening device for gas engine production,

[0017] Figure 3 The utility model relates to a front view structure drawing of high -efficient bolt tightening device for gas engine production,

[0018] Figure 4 The utility model relates to a back view structure drawing of high -efficient bolt tightening device for gas engine production,

[0019] Figure 5 The utility model relates to a back view structure drawing of high -efficient bolt tightening device for gas engine production.

[0020] Legend:

[0021] 1, workbench, 2, positioning recess, 3, rubber pad, 4, sliding groove, 5, rodless cylinder, 6, mounting frame, 7, automatic telescopic rod, 8, cylinder, 9, mounting plate, 10, tightening mechanism, 11, air pump, 12, pre-contact subassembly, 13, right angle plate, 14, reset spring, 15, isolation frame, 16, elastic sheet, 17, gauze, 18, gas guide pipe, 19, stick. Specific embodiments

[0022] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Reference Figures 1-5The utility model discloses an efficient bolt tightening device for gas engine production, which comprises a workbench 1, a positioning groove 2 and a sliding groove 4 are arranged on the upper surface of the workbench 1, a rubber pad 3 is fixedly connected inside the positioning groove 2, the rubber pad 3 is in contact with an engine shell, the positioning groove 2 cooperates with the rubber pad 3 to limit the movement range of the engine shell, a mounting rack 6 is slidably connected inside the sliding groove 4, a rodless cylinder 5 is fixedly connected to the upper surface of the workbench 1, the output end of the rodless cylinder 5 is fixedly connected to the mounting rack 6, the mounting rack 6 cooperates with the sliding groove 4 to provide the mounting rack 6 with the condition of left-right sliding, a cylinder 8 is slidably connected to the surface of the mounting rack 6, an automatic telescopic rod 7 is fixedly connected to the upper surface of the mounting rack 6, the output end of the automatic telescopic rod 7 is fixedly connected to the rear surface of the cylinder 8, and the automatic telescopic rod 7 is used to provide the cylinder 8 with the power of forward-backward sliding.

[0024] Specifically, the engine shell is directly pressed into the inside of the positioning groove 2, and the rubber pad 3 inside the positioning groove 2 is deformed under pressure to tightly adhere to the surface of the shell, thereby increasing the friction force that the engine shell receives inside the positioning groove 2. The output end of the rodless cylinder 5 directly drives the mounting rack 6 to move left and right, and the output end of the automatic telescopic rod 7 drives the cylinder 8 to slide forward.

[0025] The output end of the cylinder 8 is fixedly connected to a mounting plate 9, the cylinder 8 is used to provide the mounting plate 9 with lifting power, a tightening mechanism 10 and an air pump 11 are fixedly connected to the upper surface of the mounting plate 9, the lower end of the tightening mechanism 10 penetrates through the mounting plate 9, the tightening mechanism 10 is composed of a servo motor, a connecting rod and a nut sleeve, the connecting rod is fixedly connected to the output end of the servo motor, the upper end of the nut sleeve is located inside the connecting rod, the tightening mechanism 10 is used to send the bolt into the inside of the screw hole, a pre-contact assembly 12 is arranged on the surface of the mounting plate 9, the output end of the air pump 11 is fixedly connected to an air guide pipe 18, the air guide pipe 18 is fixedly connected to the lower end of the pre-contact assembly 12, and the air pump 11 cooperates with the air guide pipe 18 to clean the impurities and oil stains between the bolt and the screw hole by using strong wind.

[0026] Specifically, the output end of the cylinder 8 drives the mounting plate 9 to fall, and the mounting plate 9 carrying the tightening mechanism 10 falls. In the process of the tightening mechanism 10 falling close to the bolt, the pre-contact assembly 12 is in contact with the engine shell in priority, then the air pump 11 is started, and the air guide pipe 18 transmits the strong wind generated by the air pump 11 to the space between the bolt and the screw hole, so as to blow away the oil stains and impurities between the bolt and the screw hole.

[0027] The pre-contacting assembly 12 is composed of two right angle plates 13, two elastic sheets 16, a gauze 17 and an isolation frame 15, the upper ends of the right angle plates 13 are slidably connected with the mounting plate 9, the elastic sheets 16 and the isolation frame 15 are slidably connected with the lower ends of the right angle plates 13, the left and right ends of the upper surface of the gauze 17 are fixedly connected with the elastic sheets 16, the gauze 17 is used for isolating the bolt, the deformation characteristics of the elastic sheets 16 provide extension space for the gauze 17, the isolation frame 15 is fixedly connected with the air guide pipe 18, the width and length of the isolation frame 15 are greater than the diameter of the nut sleeve, when the device is used, the lower end of the tightening mechanism 10 is not in contact with the inner wall of the isolation frame 15, the inner wall of the isolation frame 15 is fixedly connected with sticky stickers 19, the sticky stickers 19 are oppositely distributed in front of and behind the air outlet of the air guide pipe 18, the sticky stickers 19 are used for limiting the splash range of the blown impurities and oil stains, the upper surface of the mounting plate 9 is fixedly connected with a return spring 14, the upper end of the return spring 14 is fixedly connected with the right angle plate 13, and the return spring 14 improves the falling fluency of the right angle plate 13.

[0028] Specifically, the isolation frame 15 directly contacts the surface of the shell during the falling process of the tightening mechanism 10, then the gas pump 11 and the air guide pipe 18 are used to blow away the impurities between the bolt and the screw hole, the blown impurities directly contact the sticky stickers 19 on the front inner wall of the isolation frame 15, and the characteristics of the sticky stickers 19 are used to fix the blown impurities, and the lower surface of the gauze 17 directly contacts the bolt during the continuous falling process of the tightening mechanism 10, so that the bolt is directly isolated, thereby avoiding the surface of the bolt directly contacting the inner wall of the nut sleeve and avoiding the impurities on the surface of the bolt polluting the nut sleeve.

[0029] Working principle: when the device is used, the isolation frame 15 directly contacts the shell of the engine, at this time, the gas pump 11 provides strong wind for the bolt on the surface of the engine shell through the air guide pipe 18, so as to blow away the impurities between the bolt and the screw hole, and the blown impurities are directly fixed by the sticky stickers 19 on the front inner wall of the isolation frame 15, and along with the lower end of the tightening mechanism 10 approaching the bolt, the gauze 17 covers the surface of the bolt, after the gauze 17 covers the bolt, the upper surface of the gauze 17 directly contacts the tightening mechanism 10, so that the bolt can be tightened, and after long-term use, only the worn gauze 17 needs to be replaced.

[0030] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A high efficiency bolt tightening device for gas engine production, characterized in that, Include: Workbench (1), the upper surface of the workbench (1) is provided with positioning groove (2), sliding groove (4), the inside of the sliding groove (4) is slidably connected with mounting rack (6), the surface of the mounting rack (6) is slidably connected with air cylinder (8), the output end of the air cylinder (8) is fixedly connected with mounting plate (9), the upper surface of the mounting plate (9) is fixedly connected with tightening mechanism (10), air pump (11), the lower end of the tightening mechanism (10) penetrates the mounting plate (9), the surface of the mounting plate (9) is provided with precontact assembly (12), the output end of the air pump (11) is fixedly connected with air pipe (18), the air pipe (18) is fixedly connected with the lower end of the precontact assembly (12); The precontact assembly (12) is composed of two right angle plates (13), two elastic sheets (16), a gauze (17) and an isolation frame (15), the upper end of the right angle plate (13) penetrates the mounting plate (9) and is slidably connected with the mounting plate (9), the elastic sheet (16) and the isolation frame (15) are slidably connected with the lower end of the right angle plate (13), the left and right ends of the upper surface of the gauze (17) are fixedly connected with the two elastic sheets (16), and the isolation frame (15) is fixedly connected with the air pipe (18).

2. A high efficiency bolt tightening device for gas engine production as claimed in claim 1, wherein, The inside of the positioning groove (2) is fixedly connected with rubber pad (3), and the rubber pad (3) is in contact with the engine shell.

3. A high efficiency bolt tightening device for gas engine production as claimed in claim 1, wherein, The upper surface of the workbench (1) is fixedly connected with rodless air cylinder (5), and the output end of the rodless air cylinder (5) is fixedly connected with the mounting rack (6).

4. A high efficiency bolt tightening device for gas engine production as claimed in claim 1, wherein, The upper surface of the mounting rack (6) is fixedly connected with automatic telescopic rod (7), and the output end of the automatic telescopic rod (7) is fixedly connected with the rear surface of the air cylinder (8).

5. A high efficiency bolt tightening device for gas engine production as claimed in claim 1, wherein, The upper surface of the mounting plate (9) is fixedly connected with reset spring (14), and the upper end of the reset spring (14) is fixedly connected with the right angle plate (13).

6. A high efficiency bolt tightening device for gas engine production as claimed in claim 1, wherein, The inner wall of the isolation frame (15) is fixedly connected with adhesive (19), and the adhesive (19) is distributed in front of and behind the air outlet of the air pipe (18).

7. A high efficiency bolt tightening device for gas engine production as claimed in claim 1, wherein, The tightening mechanism (10) is composed of a servo motor, a connecting rod and a nut sleeve, the connecting rod is fixedly connected with the output end of the servo motor, and the upper end of the nut sleeve is located in the inside of the connecting rod.

8. A high efficiency bolt tightening device for gas engine production as claimed in claim 7, wherein, The width and length of the isolation frame (15) are greater than the diameter of the nut sleeve, and when the device is used, the lower end of the tightening mechanism (10) is not in contact with the inner wall of the isolation frame (15).

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