阅读说明：本技术 加工真空助力器用夹具模块 (Fixture module for processing vacuum booster ) 是由 陈丽 张松 高凌 徐言炳 于 2019-10-30 设计创作，主要内容包括：本发明涉及一种加工真空助力器用夹具模块。具体说,是加工汽车真空助力器时用来对其进行定位的夹具模块。它包括底板,其特点是：底板一头有用于支撑真空助力器安装法兰侧边的前撑钉和后撑钉,前后撑钉外侧间有用于顶住真空助力器安装法兰背面的定位块。前撑钉和后撑钉的内侧间有弹性V形块,底板的中间有固定V形块。弹性V形块和固定V形块的上方有压紧模块。采用这种夹具模块来对真空助力器毛坯进行定位,不仅操作起来容易,而且可提高工作效率。(The invention relates to clamp modules for processing a vacuum booster, in particular to a clamp module for positioning an automobile vacuum booster during processing the automobile vacuum booster, which comprises a bottom plate and is characterized in that a front supporting nail and a rear supporting nail for supporting the side edge of a mounting flange of the vacuum booster are arranged at the head of the bottom plate , a positioning block for propping against the back surface of the mounting flange of the vacuum booster is arranged between the outer sides of the front supporting nail and the rear supporting nail, an elastic V-shaped block is arranged between the inner sides of the front supporting nail and the rear supporting nail, a fixed V-shaped block is arranged in the middle of the bottom plate, and a compression module is arranged above the elastic V-shaped block and the fixed V-shaped block.)

1. The clamp module for machining the vacuum booster comprises a bottom plate (23), and is characterized in that a front supporting nail (30) and a rear supporting nail (31) which are used for supporting the side edge of a mounting flange of the vacuum booster are arranged at the head of the bottom plate (23) , a positioning block (1) which is used for propping against the back surface of the mounting flange of the vacuum booster is arranged between the outer sides of the front supporting nail and the rear supporting nail, an elastic V-shaped block (24) is arranged between the inner sides of the front supporting nail (30) and the rear supporting nail (31), a fixed V-shaped block (20) is arranged in the middle of the bottom plate (23), and a compression module is arranged above the elastic.

2. The clamp module for machining the vacuum booster according to claim 1, wherein the compaction module comprises a lower compaction block (6), a connecting block (7) and an upper compaction block (9), an arched pressure bar (5) is arranged below the end of the lower compaction block (6), the lower compaction block (6) and the connecting block (7) are rectangular blocks, the ends of the rectangular blocks and the top of the arched pressure bar (5) are fixedly connected to , a self-positioning pressure head (17) is connected to the middle of the lower surface of the lower compaction block (6), and the self-positioning pressure head (17) corresponds to an elastic V-shaped block (24) below the self-positioning pressure head;

the upper surface of the connecting block (7) and the lower surface of the upper pressing block (9) are respectively provided with a hemispherical protrusion (71) and a hemispherical pit, the centers of the hemispherical protrusion (71) and the hemispherical pit are respectively provided with a through hole, an upper step and a lower step which are used for gradually enlarging the aperture of the hemispherical protrusion (71) from top to bottom and forming an upper section, a middle section and a lower section are arranged in the through hole, a connecting rod (12) is arranged in the through hole, the lower end of the connecting rod (12) is provided with a radial protrusion (121) matched with the lower section of the through hole, the upper end of the connecting rod is sleeved with an spring (10), penetrates through the through hole in the hemispherical protrusion (71) in a loose manner from the lower part of the connecting block (7) and then extends into the through hole in the center of the hemispherical pit, the lower end and the upper end of a spring (10) are respectively abutted against the radial protrusion (71) and the upper step, the upper end of the connecting rod (12) is provided with a ball head which is in loose fit with the through hole, the upper pressing block (9) at both sides of the connecting rod (12);

the front end and the rear end of the arched pressing bar (5) respectively correspond to a front supporting nail (30) and a rear supporting nail (31), an upper supporting nail (29) is connected below the front end of the arched pressing bar, the upper supporting nail (29) corresponds to the front supporting nail (30), and the rear end of the arched pressing bar corresponds to the rear supporting nail (311).

3. The vacuum booster machining jig module according to claim 2, characterized in that: the rear end of the arch-shaped pressing bar (5) is provided with a blind hole, a lining (27) is arranged in the blind hole, and a steel seal pin is arranged in the lining (27) by means of a gasket (28).

4. The vacuum booster machining jig module according to claim 2, characterized in that: the elastic V-shaped block (24) is approximately in the shape of an isosceles triangle, the top end of the elastic V-shaped block faces inwards and is hinged to the bottom plate (23) by virtue of a pin shaft (18), the bottom edge of the elastic V-shaped block faces outwards, and two ends of the bottom edge are respectively connected with a wedge-shaped block forming a V shape; an upper concave pit and a lower concave pit are respectively arranged on the adjacent surface between the middle part of the elastic V-shaped block (24) and the bottom plate (23), and a second spring (3) is arranged between the upper concave pit and the lower concave pit; corresponding screw holes are formed in the elastic V-shaped block (24) and the bottom plate (23) on the inner sides of the upper pit and the lower pit, a limiting screw (4) is arranged between the two screw holes, and the lower end of the limiting screw (4) is screwed into the screw holes in the elastic V-shaped block (24) and the bottom plate (23) in sequence.

5. The vacuum booster machining jig module according to claim 2, characterized in that: the inner sides of the hemispherical protrusion (71) and the hemispherical pit are respectively provided with a fixing hole and a sliding hole, a guide pin (13) is arranged between the fixing hole and the sliding hole, the lower end of the guide pin (13) is tightly stretched into the fixing hole, and the upper end of the guide pin (13) is movably stretched into the sliding hole.

6. The vacuum booster machining jig module according to claim 2, characterized in that: an elastic gasket (15) is arranged between the upper pressing block (9) and the connecting block (7).

7. The clamp module for machining the vacuum booster according to claim 1, wherein the fixed V-shaped block (20) comprises a rectangular flat plate, the rectangular flat plate is fixed on the bottom plate (23) through a third screw (21), two ends of ends, adjacent to the elastic V-shaped block (24), of the rectangular flat plate are respectively provided with an upper protrusion (201), the upper protrusions (201) are wedge-shaped, and the two wedge-shaped upper protrusions (201) form the V-shaped fixed V-shaped block (20).

8. The jig module for processing a vacuum booster according to claim 7, wherein an error-proofing rod (19) for blocking the end of the vacuum booster is provided on the inner rectangular plate between the two upper protrusions (201), and the lower end of the error-proofing rod (19) is fixed on the rectangular plate.

Technical Field

The invention relates to clamps, in particular to a clamp module for positioning an automobile vacuum booster during processing.

Background

Vacuum boosters are known in the field of vehicle construction as an auxiliary device for braking a vehicle. The brake effect is improved by utilizing the difference between vacuum generated by a vacuum pump and atmospheric pressure, so that the effort of a driver for stepping on a brake pedal is greatly reduced. When the vacuum booster is machined, the vacuum booster needs to be positioned. Currently, the method of positioning the vacuum booster remains the conventional method. This conventional method is to make the base plate and the pressing plate in advance. During processing, the bottom plate is fixed on a lathe, the vacuum booster blank is placed on the bottom plate, and the pressing plate is placed at the top of the vacuum booster. And then, a hydraulic cylinder arranged above the lathe is used for pressing the pressure plate, so that the blank of the vacuum booster is fixed and positioned. Although the positioning of the vacuum booster can be realized by adopting the method, the bottom plate and the pressure plate need to be respectively installed and detached by manual operation before and after processing, so that the operation is troublesome and the working efficiency is low.

Disclosure of Invention

The invention aims to provide clamp modules for processing a vacuum booster, and the clamp modules are used for positioning a vacuum booster blank, so that the operation is easy, and the working efficiency can be improved.

The above problems to be solved by the present invention are realized by the following technical solutions:

the invention relates to a clamp module for processing a vacuum booster, which comprises a bottom plate and is characterized in that a front supporting nail and a rear supporting nail for supporting the side edge of a mounting flange of the vacuum booster are arranged at the head of the bottom plate , a positioning block for supporting the back surface of the mounting flange of the vacuum booster is arranged between the outer sides of the front supporting nail and the rear supporting nail, an elastic V-shaped block is arranged between the inner sides of the front supporting nail and the rear supporting nail, a fixed V-shaped block is arranged in the middle of the bottom plate, and a compression module is arranged above the.

The pressing module comprises a lower pressing block, a connecting block and an upper pressing block, an arched pressing bar is arranged below the end of the lower pressing block, the lower pressing block and the connecting block are rectangular blocks, the ends of the lower pressing block and the top of the arched pressing bar are fixedly connected to , a self-position pressing head is connected to the middle of the lower surface of the lower pressing block, and the self-position pressing head corresponds to an elastic V-shaped block below the self-position pressing head.

The upper surface of the connecting block and the lower surface of the upper pressing block are respectively provided with a hemispherical protrusion and a hemispherical pit, the centers of the hemispherical protrusion and the hemispherical pit are respectively provided with a through hole, the through hole of the hemispherical protrusion is internally provided with an upper step and a lower step which are used for gradually increasing the aperture from top to bottom and forming an upper section, a middle section and a lower section, the through hole is internally provided with a connecting rod, the lower end of the connecting rod is provided with a radial protrusion matched with the lower section of the through hole, the upper end of the connecting rod is sleeved with an spring and then penetrates through the through hole in the hemispherical protrusion in a loose manner from the lower part of the connecting block and then extends into the through hole in the center of the hemispherical pit, the lower end and the upper end of the spring are respectively abutted against the radial protrusion and the upper step, the upper end of the connecting rod is provided with a ball head which is in loose fit with the through.

The front end and the rear end of the arched pressing bar correspond to the front supporting nail and the rear supporting nail respectively, the upper supporting nail is connected below the front end of the arched pressing bar, the upper supporting nail corresponds to the front supporting nail, and the rear end of the arched pressing bar corresponds to the rear supporting nail.

According to the improvement scheme of the invention in step , the rear end of the arched pressing rod is provided with a blind hole, a bushing is arranged in the blind hole, and a steel seal pin is arranged in the bushing by means of a gasket.

The elastic V-shaped block is an approximate isosceles triangle, the top end of the elastic V-shaped block faces inwards and is hinged to the bottom plate through a pin shaft, the bottom edge of the elastic V-shaped block faces outwards, and two ends of the bottom edge are respectively connected with the wedge-shaped blocks forming the V shape. The adjacent surface between the middle part of the elastic V-shaped block and the bottom plate is respectively provided with an upper pit and a lower pit, and a second spring is arranged between the upper pit and the lower pit. The elastic V-shaped block and the bottom plate on the inner sides of the upper pit and the lower pit are respectively provided with a corresponding screw hole, a limit screw is arranged between the two screw holes, and the lower end of the limit screw is screwed into the screw holes on the elastic V-shaped block and the bottom plate in sequence.

the improvement scheme of the invention is that the inner sides of the hemispherical bulge and the hemispherical pit are respectively provided with a fixed hole and a sliding hole, a guide pin is arranged between the fixed hole and the sliding hole, the lower end of the guide pin tightly extends into the fixed hole, and the upper end of the guide pin movably extends into the sliding hole.

The improvement of the present invention is that an elastic gasket is arranged between the upper pressing block and the connecting block .

The fixed V-shaped block comprises a rectangular flat plate, the rectangular flat plate is fixed on the bottom plate by a third screw, two ends of the end of the rectangular flat plate adjacent to the elastic V-shaped block are respectively provided with an upper bulge, the upper bulges are both wedge-shaped, and the two wedge-shaped upper bulges form a V-shaped fixed V-shaped block.

According to a further improvement of the present invention, an error-proofing rod is disposed on the inner rectangular plate between the two upper protrusions for blocking the end of the vacuum booster , and the lower end of the error-proofing rod is fixed to the rectangular plate.

According to the scheme, the clamp module for processing the vacuum booster comprises a bottom plate 17, a front supporting nail and a rear supporting nail which are used for supporting the side edge of a mounting flange of the vacuum booster are arranged at the head of the bottom plate , a positioning block which is used for propping against the back surface of the mounting flange of the vacuum booster is arranged between the outer sides of the front supporting nail and the rear supporting nail, an elastic V-shaped block is arranged between the inner sides of the front supporting nail and the rear supporting nail, a fixed V-shaped block is arranged in the middle of the bottom plate, a compression module is arranged above the elastic V-shaped block 7 and the fixed V-shaped block, when the vacuum booster is processed, the vacuum booster is only required to be arranged on the elastic V-shaped block and the fixed V-shaped block below a lower compression block, the front supporting nail and the rear supporting nail are respectively propped against the side edge of the mounting flange of the vacuum booster, the compression module is arranged on the vacuum booster, two ends of an arched compression bar 9 in the compression module are respectively corresponding to the front supporting nail and the rear supporting nail, the supporting nail 324 on the is corresponding to the lower surface of a lower compression block 18 on the outer side of the fixed V-shaped block 13, and then.

Drawings

FIG. 1 is a schematic view of a clamp module for machining a vacuum booster according to the present invention;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a perspective view of a jig module for processing a vacuum booster according to the present invention.

Detailed Description

As shown in figures 1, 2 and 3, the clamp module for processing the vacuum booster comprises a bottom plate 23, wherein the bottom plate 23 is rectangular, the head of the bottom plate is provided with a front supporting nail 30 and a rear supporting nail 31 which are used for supporting the side edge of a mounting flange of the vacuum booster, the lower surfaces of the front supporting nail 30 and the rear supporting nail 31 are respectively provided with a adjusting sheet 32, a positioning block 1 which is used for propping against the back surface of the mounting flange of the vacuum booster is fixed between the outer sides of the front supporting nail and the rear supporting nail by a seventh screw 2 and a screw 33, an elastic V-shaped block 24 is arranged between the inner sides of the front supporting nail 30 and the rear supporting nail 31, a fixed V-shaped block 20 is fixed in the middle of the bottom plate 23, and a pressing module is arranged.

The elastic V-shaped block 24 is an approximate isosceles triangle, the top end of the elastic V-shaped block faces inwards and is hinged on the bottom plate 23 by virtue of the pin shaft 18, the bottom edge of the elastic V-shaped block faces outwards, and two ends of the bottom edge are respectively connected with a wedge-shaped block forming a V shape. An upper concave pit and a lower concave pit are respectively arranged on the adjacent surface between the middle part of the elastic V-shaped block 24 and the bottom plate 23, and a second spring 3 is arranged between the upper concave pit and the lower concave pit. Corresponding screw holes are processed on the elastic V-shaped block 24 and the bottom plate 23 on the inner sides of the upper pit and the lower pit, a limit screw 4 is arranged between the two screw holes, and the lower end of the limit screw 4 is screwed into the screw holes on the elastic V-shaped block 24 and the bottom plate 23 in sequence. A second screw 25 for preventing the loosening of the limiting screw 4 is arranged below the limiting screw.

The fixed V-shaped block 20 comprises a rectangular flat plate which is fixed on the bottom plate 23 by a third screw 21 and a third adjusting plate 22, two ends of ends of the rectangular flat plate adjacent to the elastic V-shaped block 24 are respectively processed with an upper bulge 201 which forms a body with the rectangular flat plate, and the upper bulges 201 are all wedge-shaped, and the two wedge-shaped upper bulges 201 form the V-shaped fixed V-shaped block 20.

An error preventing rod 19 for blocking the end of the vacuum booster is provided on the inner rectangular plate between the two upper protrusions 201, the lower end of the error preventing rod 19 is fixed on the rectangular plate, the inner bottom plate 23 of the rear stay 31 is provided with a coarse guide 34, and the coarse guide 34 is fixed on the bottom plate 23 by means of a fourth screw 35.

The pressing module comprises a lower pressing block 6, a connecting block 7 and an upper pressing block 9, an arched pressing rod 5 is arranged below the end of the lower pressing block 6, the lower pressing block 6 and the connecting block 7 are rectangular blocks, the ends of the lower pressing block and the top of the arched pressing rod 5 are fixedly connected to through a fifth screw 8, a self-aligning pressing head 17 is connected to the middle of the lower surface of the lower pressing block 6 through a short shaft and a second adjusting piece 16, and the self-aligning pressing head 17 corresponds to an elastic V-shaped block 24 below the self-aligning pressing head 17.

The upper surface of the connecting block 7 and the lower surface of the upper pressing block 9 are respectively provided with a hemispherical protrusion 71 and a hemispherical pit, the centers of the hemispherical protrusion 71 and the hemispherical pit are respectively provided with a through hole, an upper step and a lower step which are used for gradually enlarging the aperture of the hemispherical protrusion 71 from top to bottom and forming an upper section, a middle section and a lower section are processed in the through hole, a connecting rod 12 is arranged in the through hole, the lower end of the connecting rod 12 is provided with a radial protrusion 121 matched with the lower section of the through hole, the upper end of the connecting rod is sleeved with an spring 10 and penetrates through the through hole on the hemispherical protrusion 71 in a loose manner from the lower part of the connecting block 7 and then extends into the through hole at the center of the hemispherical pit, the lower end and the upper end of a spring 10 are respectively abutted against the radial protrusion 71 and the upper step, the upper end of the connecting rod 12 is provided with a ball head, the diameter of the ball head is larger than that of the connecting rod 12, nail holes are in loose fit with the through holes of the ball head, the upper pressing blocks 9 at both sides of the connecting rod 12 are respectively.

The front end and the rear end of the arched pressure bar 5 are respectively connected with a front supporting nail 30 and a rear supporting nail 31, the lower part of the front end is connected with an upper supporting nail 29, the upper supporting nail 29 corresponds to the front supporting nail 30, and the rear end corresponds to the rear supporting nail 31.

In addition, in order to facilitate the stamping of the machined vacuum booster, a blind hole is machined in the rear end of the arched pressing rod 5, a bushing 27 is arranged in the blind hole, and the bushing 27 is fixed in the blind hole through a sixth screw 26. The bushing 27 has a steel seal pin placed therein by means of a washer 28.

In addition, a fixing hole and a sliding hole are respectively processed on the inner sides of the hemispherical protrusion 71 and the hemispherical pit, a guide pin 13 is arranged between the fixing hole and the sliding hole, the lower end of the guide pin 13 is tightly fixed in the fixing hole, and the upper end of the guide pin 13 movably extends into the sliding hole by means of an O-shaped ring 14.

An elastic gasket 15 is also arranged between the upper pressing block 9 and the connecting block 7. The elastic pad 15 is a rubber sheet.

Before processing, the vacuum booster is firstly placed on the elastic V-shaped block 24 and the fixed V-shaped block 20 below the lower pressing block, and the front supporting nail 30 and the rear supporting nail 31 are respectively propped against the side edge of the mounting flange of the vacuum booster. And then the pressing module is arranged on the vacuum booster, and the two ends of the arched pressing rod 5 in the pressing module respectively correspond to the front supporting nail 30 and the rear supporting nail 31, so that the self-position pressing head 17 corresponds to the lower surface of the corresponding lower pressing block 6 on the outer side of the fixed V-shaped block 20. Then, the vacuum booster is pressed between the pressing module and the bottom plate 23 by a pulling mechanism additionally arranged between the pressing module and the bottom plate 23, and the vacuum booster can be processed.