A cylinder head measuring machine

Abstract

The present invention provides a cylinder head measuring machine, which includes a bottom measuring mechanism, a four-column lifting platform, an upper measuring mechanism, a front-end detection mechanism, and a rear-end detection mechanism. The bottom measuring mechanism includes a fixed bottom plate, and a plurality of measuring mechanisms and fixed columns are installed on the upper surface of the fixed bottom plate. The four-column lifting platform includes guide shafts arranged in the vertical direction, and the guide shafts are installed on the fixed bottom plate and slide up and down. An elevating plate frame is fixed at the upper end of the guide shafts, and a plurality of rollers are installed on the elevating plate frame. Raceway guide columns and double-acting cylinders are fixedly installed on both sides of the elevating plate frame. The upper measuring mechanism includes upper guide columns fixed on the fixed bottom plate, and a sliding plate is slidably fitted on the upper guide columns, and a plurality of measuring mechanisms are installed on the lower surface of the sliding plate. By means of the present invention, the problems existing in the prior art, such as slow measuring speed, low efficiency, low automation degree, and high manual participation degree, can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of measuring equipment, and more specifically to a cylinder head measuring machine. Background Art

[0002] After the cylinder head of an automobile engine is produced, it is necessary to measure and collect data at multiple positions and holes on the cylinder head body, and then determine whether it is qualified. The shape of the cylinder head is strange, and there are many points to be measured on the cylinder head. In the existing measurement methods, some are divided into several measurement workstations, and different surfaces of the cylinder head are completely measured at several workstations respectively, with too many measurement steps and low efficiency; or they are semi-automatic measurement devices, which require a high degree of manual operation participation and reduced measurement efficiency. Summary of the Invention

[0003] The present invention provides a cylinder head measuring machine to solve the problems of slow measurement speed, low efficiency, low automation degree and high manual participation in the existing technology.

[0004] To solve the above technical problems, the present invention provides a cylinder head measuring machine, including a bottom measuring mechanism, a four-column lifting table, an upper measuring mechanism, a front-end detection mechanism and a rear-end detection mechanism. The bottom measuring mechanism includes a fixed bottom plate, and several hole measuring mechanisms, end face measuring mechanisms, side measuring mechanisms and fixed columns are installed on the upper surface of the fixed bottom plate. The four-column lifting table includes guide shafts arranged in the vertical direction, the guide shafts are installed on the fixed bottom plate and slide up and down, the upper end of the guide shafts is fixed with a lifting plate frame, and several parallel rollers are installed on the lifting plate frame. Rolling track guide columns and double-link cylinders are fixedly installed on both sides of the lifting plate frame. The upper measuring mechanism includes upper guide columns fixed on the fixed bottom plate, a sliding plate is slidably fitted on the upper guide columns, and several hole measuring mechanisms, end face measuring mechanisms and side measuring mechanisms are installed on the lower surface of the sliding plate.

[0005] The hole measuring mechanism includes a hole measuring frame, a guide block is fixed at the top of the hole measuring frame, several first U-shaped blocks are installed in the hole measuring frame, an extended probe block is fixed on the first elastic side of the first U-shaped block, the upper end of the extended probe block is placed in the hollow chamber opened by the guide block, and a first distance sensor and a first needle-shaped cylinder are installed on the first fixed side of the first U-shaped block.

[0006] The end face measuring mechanism includes a pneumatic retractable pen-type sensor, and the pneumatic retractable pen-type sensor is fixedly installed on the measuring support column.

[0007] The side measurement mechanism includes a second U-shaped block, a special-shaped extension block is fixed to the upper end of the second elastic side of the second U-shaped block, a second distance sensor and a second needle-shaped cylinder are installed on the second fixed side of the second U-shaped block, a second U-shaped block base is fixed under the second U-shaped block, a guard plate is fixed on the second U-shaped block base, and the guard plate is arranged on one side of the special-shaped extension block.

[0008] The front-end detection mechanism includes a front-end detection bracket, on which are installed several horizontally arranged hole measurement mechanisms, end face measurement mechanisms, side measurement mechanisms, and M22 measurement units. The front-end detection bracket is installed on a fixed base plate through horizontal sliding on a track.

[0009] The rear end detection mechanism includes a rear end detection bracket, on which are mounted a number of horizontally arranged end face measurement mechanisms and side face measurement mechanisms. The rear end detection bracket is mounted on a fixed base plate through horizontal sliding on a track.

[0010] A vertically arranged lower hard limit column is also fixed to the upper surface of the fixed base plate, and a vertically arranged upper hard limit column is also fixed to the lower surface of the sliding plate. The lower hard limit column and the upper hard limit column are arranged correspondingly.

[0011] A first cylinder is installed on the lower surface of the fixed base plate, and a piston rod of the first cylinder is fixedly connected to the lifting plate frame.

[0012] The lifting plate frame is also equipped with a photoelectric switch and a servo motor, and the servo motor is connected to the roller; the two roller guide columns and the double cylinder on both sides of the lifting plate frame are located above the roller, and the two roller guide columns are parallel to each other and perpendicular to the roller. The piston rods of the two double cylinders extend toward each other, and a push plate is fixed on the piston rod of the double cylinder.

[0013] A second vertically arranged air cylinder is also installed on the lifting plate frame, and a rotating round impact head is also installed on the piston rod of the second air cylinder.

[0014] A plurality of pneumatic retractable electronic probes are also installed on the lower surface of the sliding plate.

[0015] An upper fixing plate is fixed to the upper end of the upper guide column, a third cylinder is fixed to the upper fixing plate, and a piston rod of the third cylinder is fixedly connected to the sliding plate.

[0016] The fixed base plate is also provided with a marking device, which includes a marking bracket fixed on the fixed base plate. A first bracket moving vertically is provided on the marking bracket, and a fourth cylinder arranged horizontally is provided on the first bracket.

[0017] It also includes a rotary raceway, the rotary raceway includes a rotary main body, the rotary main body is rotationally and fittingly installed on a rotary support, a plurality of parallel conveyor rollers are arranged on the rotary main body, and two parallel raceway guide rods are arranged on the rotary main body

[0018] The beneficial effects brought by the present invention: The cylinder head measuring machine of the present invention can automatically measure data at multiple positions and holes on multiple surfaces of the cylinder head simultaneously, with fast measurement speed, high efficiency, small error, and stable and reliable operation of the equipment; after forming a measurement production line, it can measure and classify and convey cylinder heads of different models in large quantities Brief Description of the Drawings

[0019] Figure 1 is the overall structure schematic diagram of the cylinder head measuring machine of the present invention Figure 1 ;

[0020] Figure 2 is the overall structure schematic diagram of the cylinder head measuring machine of the present invention Figure 2 ;

[0021] Figure 3 is the structure schematic diagram of the bottom measuring mechanism of the present invention Figure 1 ;

[0022] Figure 4 is the structure schematic diagram of the bottom measuring mechanism of the present invention Figure 2 ;

[0023] Figure 5 is the structure schematic diagram of the four-column lifting platform of the present invention Figure 1 ;

[0024] Figure 6 is the structure schematic diagram of the four-column lifting platform of the present invention Figure 2 ;

[0025] Figure 7 is the structure schematic diagram of the upper measuring mechanism of the present invention;

[0026] Figure 8 is the structure schematic diagram of the hole measuring mechanism of the present invention;

[0027] Figure 9 is the partial structure schematic diagram of the hole measuring mechanism of the present invention;

[0028] Figure 10 is the structure schematic diagram of the end face measuring mechanism of the present invention;

[0029] Figure 11 is the structure schematic diagram of the side measuring mechanism of the present invention;

[0030] Figure 12 is the structure schematic diagram of the front-end detection mechanism of the present invention;

[0031] Figure 13 is a schematic structural diagram of the backend detection mechanism of the present invention;

[0032] Figure 14 is a schematic structural diagram of the marking device of the present invention;

[0033] Figure 15 is a schematic structural diagram of the rotary raceway of the present invention;

[0034] Figure 16 is a measurement production line composed of the present invention and a roller conveyor line;

[0035] Among them, 1 - bottom measurement mechanism, 2 - four-column lifting platform, 3 - upper measurement mechanism, 4 - front-end detection mechanism, 5 - backend detection mechanism, 6 - hole measurement mechanism, 7 - end face measurement mechanism, 8 - side measurement mechanism, 9 - marking device, 10 - rotary raceway, 11 - cylinder head, 12 - roller conveyor line, 101 - fixed bottom plate, 102 - fixed column, 103 - lower hard limit column, 104 - first cylinder, 201 - guide shaft, 202 - lifting plate frame, 203 - roller, 204 - raceway guide column, 205 - double-acting cylinder, 206 - servo motor, 207 - push plate, 208 - second cylinder, 209 - round punch, 210 - photoelectric switch, 301 - upper guide column, 302 - sliding plate, 303 - upper hard limit column, 304 - pneumatic expansion and contraction type electronic measuring head, 305 - upper fixing plate, 306 - third cylinder, 401 - front-end detection bracket, 402 - M22 measurement unit, 501 - backend detection bracket, 601 - hole measurement frame, 602 - guide block, 603 - first U-shaped block, 604 - first elastic edge, 605 - extended measuring head block, 606 - first fixing edge, 607 - first distance sensor, 608 - first needle-shaped cylinder, 701 - pneumatic expansion and contraction type pen-shaped sensor, 702 - measurement support column, 801 - second U-shaped block, 802 - second elastic edge, 803 - special-shaped extension block, 804 - second fixing edge, 805 - second distance sensor, 806 - second needle-shaped cylinder, 807 - second U-shaped block base, 808 - guard plate, 901 - marking bracket, 902 - first bracket, 903 - fourth cylinder, 1001 - rotary main body, 1002 - rotary support, 1003 - conveyor roller, 1004 - raceway guide rod. Detailed implementation manners

[0036] To make the objectives, technical solutions, and advantages of the present invention clearer, the following further elaborates on the present invention in detail with reference to the accompanying drawings and specific embodiments.

[0037] A cylinder head measuring machine, as Figure 1-2, including a bottom measuring mechanism 1, a four-column lifting platform 2, an upper measuring mechanism 3, a front-end detection mechanism 4, and a rear-end detection mechanism 5. The four-column lifting platform 2 is arranged above the bottom measuring mechanism 1 and can move up and down. The upper measuring mechanism 3 is arranged above the four-column lifting platform 2. The front-end detection mechanism 4 and the rear-end detection mechanism 5 are arranged on both sides of the four-column lifting platform 2.

[0038] like Figure 3-4 The bottom measuring mechanism 1 includes a fixed bottom plate 101, and a plurality of hole measuring mechanisms 6, an end surface measuring mechanism 7, a side surface measuring mechanism 8, and a fixed column 102 are installed in the middle of the upper surface of the fixed bottom plate 101. A first cylinder 104 is installed on the lower surface of the fixed bottom plate 101, and the piston rod of the first cylinder 104 is vertically upward and fixedly connected to the lifting plate frame 202 of the four-column lifting platform 2, combined with Figure 5-6 The lifting frame 202 is vertically movable relative to the fixed base plate 101. When the lifting frame 202 descends, the hole measurement mechanism 6, end surface measurement mechanism 7, and side measurement mechanism 8 on the fixed base plate 101 pass through the lifting frame 202 and move upward. A vertically positioned guide shaft 201 is fixed to the lower surface of the lifting frame 202. The guide shaft 201 slidably engages with the fixed base plate 101, providing guidance.

[0039] Several parallel rollers 203 are mounted on the lifting platform 202. Roller guide posts 204 and a double-acting cylinder 205 are fixedly mounted on either side of the lifting platform 202. The two roller guide posts 204 and double-acting cylinders 205 on either side of the lifting platform 202 are located above the rollers 203. The two roller guide posts 204 are parallel to each other and perpendicular to the rollers 203. The piston rods of the two double-acting cylinders 205 extend toward each other, and push plates 207 are fixed to the piston rods of the double-acting cylinders 205. A photoelectric switch 210 and a servo motor 206 are also mounted on the lifting platform 202, which is in driving connection with the rollers 203.

[0040] like Figure 6 A second vertically mounted air cylinder 208 is mounted on the lifting plate frame 202, and a rotating round striker 209 is mounted on the piston rod of the second air cylinder 208. When the piston rod of the second air cylinder 208 is retracted, the round striker 209 is lower than the roller 203 in the horizontal plane. When the piston rod of the second air cylinder 208 is extended, the round striker 209 is higher than the roller 203 in the horizontal plane.

[0041] Combine Figure 2 、 3, 7. The upper measuring mechanism 3 includes an upper guide post 301 fixed to the fixed bottom plate 101. A sliding plate 302 is slidably fitted on the upper guide post 301, and the sliding plate 302 can move relative to the fixed bottom plate 101 in the vertical direction. A vertically arranged lower hard limit post 103 is also fixed on the upper surface of the fixed bottom plate 101, and a vertically arranged upper hard limit post 303 is also fixed on the lower surface of the sliding plate 302. The lower hard limit post 103 and the upper hard limit post 303 are arranged correspondingly to play a limiting role. A plurality of hole measuring mechanisms 6, end face measuring mechanisms 7, and side measuring mechanisms 8 are installed on the lower surface of the sliding plate 302. A plurality of pneumatic expansion and contraction type electronic measuring heads 304 are also installed on the lower surface of the sliding plate 302.

[0042] Combined with Figure 2 , 7 , the upper end of the upper guide post 301 is fixed with an upper fixing plate 305, and a third cylinder 306 is fixed on the upper fixing plate 3(05. The piston rod of the third cylinder 306 is fixedly connected to the sliding plate 302.

[0043] Such as Figure 8-9 , the hole measuring mechanism 6 includes a hole measuring frame 601. A guide block 602 is fixed at the top of the hole measuring frame 601. A number of first U-shaped blocks 603 are installed in the hole measuring frame 601. An extended measuring head block 605 is fixed on the first elastic side 604 of the first U-shaped block 603. The upper end of the extended measuring head block 605 is placed in the hollow chamber opened in the guide block 602. A first distance sensor 607 and a first needle-shaped cylinder 608 are installed on the first fixed side 606 of the first U-shaped block 603.

[0044] Such as Figure 10 , the end face measuring mechanism 7 includes a pneumatic expansion and contraction type pen-shaped sensor 701, and the pneumatic expansion and contraction type pen-shaped sensor 701 is fixedly installed on the measuring support column 702.

[0045] Such as Figure 11 , the side measuring mechanism 8 includes a second U-shaped block 801. The upper end of the second elastic side 802 of the second U-shaped block 801 is fixed with a special-shaped extension block 803. A second distance sensor 805 and a second needle-shaped cylinder 806 are installed on the second fixed side 804 of the second U-shaped block 801. A second U-shaped block base 807 is fixed below the second U-shaped block 801, and a guard plate 808 is fixed on the second U-shaped block base 807. The guard plate 808 is arranged on one side of the special-shaped extension block 803 to play a protective role for the special-shaped extension block 803.

[0046] Such as Figure 12 , the front-end detection mechanism 4 includes a front-end detection bracket 401. A number of hole measuring mechanisms 6, end face measuring mechanisms 7, side measuring mechanisms 8, and M22 measuring units 402 arranged horizontally are installed on the front-end detection bracket 401. The front-end detection bracket 401 is horizontally slidably installed on the fixed bottom plate 101 through a track.

[0047] As Figure 13 , the rear-end detection mechanism 5 includes a rear-end detection support 501, on which a number of end-face measurement mechanisms 7 and side measurement mechanisms 8 arranged horizontally are installed. The rear-end detection support 501 is horizontally and slidably installed on the fixed base plate 101 through a track.

[0048] Combined with Figure 2 、 14 , a marking device 9 is also installed on the fixed base plate 101. The marking device 9 includes a marking support 901 fixed on the fixed base plate 101. A first support 902 moving vertically is installed on the marking support 901. A fourth cylinder 903 arranged horizontally is installed on the first support 902, and a marking device is installed on the piston rod of the fourth cylinder 903.

[0049] Combined with Figure 1 、 15 、16, there is also a rotary raceway 10, which is arranged at the entrance and exit of the four-column lifting platform 2 and at the place where the cylinder head 11 needs to be transported and turned on the roller conveyor line 12. The rotary raceway 10 includes a rotary main body 1001, which is rotatably installed on a rotary support 1002. A number of parallel conveyor rollers 1003 are arranged on the rotary main body 1001, and two parallel raceway guide rods 1004 are arranged on the rotary main body 1001.

[0050] During operation, first combined with Figure 1 、 16 , there are two cylinder head measuring machines on one detection line. There are cylinder heads 11 of different models on the roller conveyor line 12, including three-cylinder cylinder heads and four-cylinder cylinder heads. The scanning device reads the model of the cylinder head 11 and transports the corresponding cylinder head 11 to the corresponding cylinder head measuring machine through the roller conveyor line 12 and the rotary raceway 10. Combined with Figure 1 、 2 、5、6, the rotary raceway 10 transports the cylinder head 11 to the roller 203 of the four-column lifting platform 2. The servo motor 206 drives the roller 203 to rotate, and the cylinder head 11 moves. The raceway guide columns 204 on both sides of it play a guiding role. The second cylinder 208 in front of its moving direction raises the round punch 209, and the round punch 209 cooperates with the surface of the cylinder head 11 to play a role in blocking and positioning the cylinder head 11. After the photoelectric switch 210 detects whether the cylinder head 11 is in place, another round punch 209 behind the cylinder head 11 also raises. The push plates 207 of the double-link cylinders 205 on both sides of the cylinder head 11 push and correct the cylinder head 11.

[0051] The lifting plate frame 202 descends, as Figure 3 、 4, the cylinder head 11 drops onto the fixed column 102, and the hole measuring mechanism 6, the end face measuring mechanism 7, and the side measuring mechanism 8 perform data measurement. Meanwhile, the sliding plate 302 moves downward. Refer to Figure 7 , the upper hard limit post 303 abuts against the lower hard limit post 103, and the hole measuring mechanism 6, the end face measuring mechanism 7, the side measuring mechanism 8, and the pneumatic expansion and contraction type electronic probe 304 on the sliding plate 302 perform data measurement. The front end detection mechanism 4 and the rear end detection mechanism 5 approach the cylinder head 11 to perform data measurement on its side. After the measurement is completed, each measuring device returns, the lifting plate frame 202 rises, the roller 203 lifts the cylinder head 11, and then the marking device 9 prints a predetermined character on the cylinder head 11. After completion, the roller 203 transports the cylinder head 11 out.

[0052] In summary, the cylinder head measuring machine of the present invention automatically measures data on multiple parts and holes on multiple surfaces of the cylinder head simultaneously, with fast measurement speed, high efficiency, small error, and stable and reliable equipment operation; after forming a measurement production line, it can measure data and classify and transport cylinder heads of different models in large quantities.

[0053] The above are only the embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A cylinder head measuring machine, characterized in that: It includes a bottom measuring mechanism (1), a four-column lifting table (2), an upper measuring mechanism (3), a front-end detection mechanism (4), and a rear-end detection mechanism (5). The bottom measuring mechanism (1) includes a fixed bottom plate (101). On the upper surface of the fixed bottom plate (101), several hole measuring mechanisms (6), end face measuring mechanisms (7), side measuring mechanisms (8), and fixed columns (102) are installed. The four-column lifting table (2) includes guide shafts (201) arranged vertically. The guide shafts (201) are installed on the fixed bottom plate (101) and slide up and down. The upper end of the guide shaft (201) is fixed with a lifting plate frame (202). Several parallel rollers (203) are installed on the lifting plate frame (202). On both sides of the lifting plate frame (202), raceway guide columns (204) and double-acting cylinders (205) are fixedly installed. The upper measuring mechanism (3) includes upper guide columns (301) fixed on the fixed bottom plate (101). A sliding plate (302) is slidably fitted on the upper guide columns (301). On the lower surface of the sliding plate (302), several hole measuring mechanisms (6), end face measuring mechanisms (7), and side measuring mechanisms (8) are installed; The hole measuring mechanism (6) includes a hole measuring frame (601). A guide block (602) is fixed at the top of the hole measuring frame (601). Several first U-shaped blocks (603) are installed in the hole measuring frame (601). An extended probe block (605) is fixed on the first elastic edge (604) of the first U-shaped block (603). The upper end of the extended probe block (605) is placed in the hollow chamber opened in the guide block (602). A first distance sensor (607) and a first needle-shaped cylinder (608) are installed on the first fixed edge (606) of the first U-shaped block (603); The end face measuring mechanism (7) includes a pneumatic expandable pen-type sensor (701). The pneumatic expandable pen-type sensor (701) is fixedly installed on a measuring support column (702); The side measuring mechanism (8) includes a second U-shaped block (801). An irregular extended block (803) is fixed at the upper end of the second elastic edge (802) of the second U-shaped block (801). A second distance sensor (805) and a second needle-shaped cylinder (806) are installed on the second fixed edge (804) of the second U-shaped block (801). A second U-shaped block base (807) is fixed below the second U-shaped block (801). A guard plate (808) is fixed on the second U-shaped block base (807). The guard plate (808) is arranged on one side of the irregular extended block (803).

2. The cylinder head measuring machine according to claim 1, wherein The front-end detection mechanism (4) includes a front-end detection bracket (401). Several hole measuring mechanisms (6), end face measuring mechanisms (7), side measuring mechanisms (8), and M22 measuring units (402) arranged horizontally are installed on the front-end detection bracket (401). The front-end detection bracket (401) is horizontally slidably installed on the fixed bottom plate (101) through a track.

3. The cylinder head measuring machine according to claim 1, characterized in that The backend detection mechanism (5) includes a backend detection support (501), on which a number of end face measurement mechanisms (7) and side face measurement mechanisms (8) arranged horizontally are installed. The backend detection support (501) is horizontally slidably installed on the fixed bottom plate (101) through a track.

4. The cylinder head measuring machine according to claim 1, characterized in that, A vertically arranged lower hard limit post (103) is further fixed on the upper surface of the fixed bottom plate (101), and an upper hard limit post (303) arranged vertically is further fixed on the lower surface of the sliding plate (302). The lower hard limit post (103) and the upper hard limit post (303) are arranged correspondingly.

5. The cylinder head measuring machine according to claim 1, characterized in that, A first cylinder (104) is installed on the lower surface of the fixed bottom plate (101), and the piston rod of the first cylinder (104) is fixedly connected to the lifting plate frame (202).

6. The cylinder head measuring machine according to claim 1, characterized in that, An optoelectronic switch (210) and a servo motor (206) are further installed on the lifting plate frame (202). The servo motor (206) is in transmission connection with a drum (203). Two raceway guide columns (204) and double-acting cylinders (205) on both sides of the lifting plate frame (202) are located above the drum (203). The two raceway guide columns (204) are parallel to each other and are perpendicularly arranged to the drum (203). The piston rods of the two double-acting cylinders (205) extend towards each other, and a push plate (207) is fixed on the piston rods of the double-acting cylinders (205).

7. The cylinder head measuring machine according to claim 1, characterized in that, A vertically arranged second cylinder (208) is further installed on the lifting plate frame (202), and a rotating round striker (209) is further installed on the piston rod of the second cylinder (208).

8. The cylinder head measuring machine according to claim 1, characterized in that, A plurality of pneumatic expansion and contraction type electronic measuring heads (304) are further installed on the lower surface of the sliding plate (302).

9. The cylinder head measuring machine according to claim 1, characterized in that, The upper end of the upper guide post (301) is fixed with an upper fixing plate (305), and a third cylinder (306) is fixed on the upper fixing plate (305). The piston rod of the third cylinder (306) is fixedly connected to the sliding plate (302).

10. The cylinder head measuring machine according to claim 1, characterized in that, A marking device (9) is further installed on the fixed bottom plate (101). The marking device (9) includes a marking support (901), the marking support (901) is fixed on the fixed bottom plate (101), a first support (902) moving vertically is installed on the marking support (901), and a horizontally arranged fourth cylinder (903) is installed on the first support (902).

11. The cylinder head measuring machine according to claim 1, characterized in that, It further includes a rotary raceway (10). The rotary raceway (10) includes a rotary main body (1001), the rotary main body (1001) is rotatably fitted on a rotary support (1002), a number of parallel conveyor drums (1003) are arranged on the rotary main body (1001), and two parallel raceway guide rods (1004) are arranged on the rotary main body (1001).

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