An automatic measuring machine for gear rings

Abstract

The present invention provides a ring gear automatic measuring machine, which includes a tray lifting mechanism, an upper probe mechanism, and a bottom plate. The tray lifting mechanism includes a rotating base rotatably mounted on the bottom plate, and a tray disposed above the rotating base. A guide rod that moves up and down through the bottom plate is fixedly connected below the tray. The bottom plate is further provided with a plurality of first inner diameter measuring mechanisms. Each first inner diameter measuring mechanism includes a first U-shaped block. A first distance sensor and a first needle-shaped cylinder are mounted on one U-shaped side of the first U-shaped block, and a first special-shaped extension rod is mounted on the other U-shaped side of the first U-shaped block. By means of the present invention, the problems of slow manual measurement speed, low efficiency, and large measurement error existing in the prior art are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of ring gear measurement, and more particularly to an automatic ring gear measuring machine. Background Art

[0002] The ring gear in this application is a ring gear blank, which is a preliminary product whose teeth have not been machined on the outer surface. It is now necessary to measure its data to detect whether it is qualified for subsequent production. It is necessary to measure the outer diameter of the ring gear, the inner diameters at multiple locations inside, and there is a circular inner groove on the inner wall of the ring gear, and it is necessary to measure the upper and lower sides of the inner groove. The existing measurements are all manually performed, with slow measurement speed, low efficiency, and large manual measurement errors. Summary of the Invention

[0003] The present invention provides an automatic ring gear measuring machine to solve the problems of slow measurement speed, low efficiency, and large measurement errors in the existing manual measurement.

[0004] To solve the above technical problems, the present invention provides an automatic ring gear measuring machine, including a tray lifting mechanism, an upper probe mechanism, and a bottom plate. The tray lifting mechanism includes a rotating base rotatably installed on the bottom plate, a tray disposed above the rotating base, and a guide rod fixedly connected to the lower part of the tray and moving up and down through the bottom plate. The bottom plate is also provided with a plurality of first inner diameter measuring mechanisms, and each first inner diameter measuring mechanism includes a first U-shaped block. A first distance sensor and a first needle-shaped cylinder are installed on one U-shaped side of the first U-shaped block, and a first special-shaped extension rod is installed on the other U-shaped side of the first U-shaped block.

[0005] The upper probe mechanism includes an upper probe plate body. A pressure plate is installed below the upper probe plate body through bolts, and the pressure plate moves up and down on the bolts. A first spring is provided between the pressure plate and the upper probe plate body, and a roller is installed on the lower surface of the pressure plate. A second bracket is disposed above the upper probe plate body, and two inner groove width measuring mechanisms are installed on the second bracket. Each inner groove width measuring mechanism includes a second U-shaped block and a third U-shaped block. One U-shaped side of the second U-shaped block is fixedly connected to one U-shaped side of the third U-shaped block, and the second U-shaped block and the third U-shaped block are vertically arranged. A second cylinder is installed on the other U-shaped side of the second U-shaped block, and a second distance sensor, a second spring, and a third cylinder are sequentially installed on one U-shaped side of the third U-shaped block.

[0006] A first bracket is fixed below the bottom plate, and a first cylinder is installed on the first bracket. The piston rod of the first cylinder is connected to the guide rod through a fixing plate.

[0007] A motor is also installed below the bottom plate, and the gear on the rotating shaft of the motor meshes with the ring gear provided on the outer periphery of the rotating base for transmission.

[0008] A first top head is installed on the first special-shaped extension rod.

[0009] An outer diameter measurement sensor is also fixedly installed below the upper probe plate body.

[0010] A second top head is installed on the other U-shaped side of the third U-shaped block.

[0011] It further includes a plurality of second inner diameter measurement mechanisms. The second inner diameter measurement mechanisms are installed on the second bracket. The second inner diameter measurement mechanism includes a fourth U-shaped block. A third distance sensor and a second needle-shaped cylinder are installed on one U-shaped side of the fourth U-shaped block. A second special-shaped extension rod is installed on the other U-shaped side of the fourth U-shaped block. A third top head is installed on the second special-shaped extension rod.

[0012] The upper probe plate body is vertically and slidably installed on the third bracket through a guide rail. The third bracket is horizontally and slidably installed on the bottom plate through a guide rail.

[0013] A horizontal grasping mechanism is installed above the bottom plate.

[0014] A gear ring standard part box is installed on the bottom plate.

[0015] The beneficial effects brought by the present invention: The gear ring automatic measuring machine of the present invention automatically measures the data at multiple positions of the inner and outer diameters of the gear ring, and measures the data of the two upper and lower sides of the inner groove opened inside the gear ring; the measurement process is stable and reliable, and at the same time, the measurement speed is fast, the efficiency is high, and the error is small. Description of the Drawings

[0016] Figure 1 is the overall structural schematic diagram of the gear ring automatic measuring machine of the present invention;

[0017] Figure 2 is the front view of the tray lifting mechanism of the present invention;

[0018] Figure 3 is the partial structural schematic diagram of the tray lifting mechanism of the present invention;

[0019] Figure 4 is the schematic diagram of the first inner diameter measurement mechanism of the present invention;

[0020] Figure 5 is the structural schematic diagram of the upper probe mechanism of the present invention;

[0021] Figure 6 is the partial structural front view of the upper probe mechanism of the present invention;

[0022] Figure 7 is the structural schematic diagram of the inner groove width measurement mechanism of the present invention;

[0023] Figure 8Schematic diagram of the inner groove width measuring mechanism of the present invention for measuring the inner groove;

[0024] Figure 9 Schematic structural diagram of the second inner diameter measuring mechanism of the present invention;

[0025] Among them, 1 - pallet lifting mechanism, 2 - upper probe mechanism, 3 - bottom plate, 4 - first inner diameter measuring mechanism, 5 - inner groove width measuring mechanism, 6 - second inner diameter measuring mechanism, 7 - third bracket, 8 - horizontal grasping mechanism, 9 - tooth ring standard part box, 10 - tooth ring, 101 - rotating base, 102 - pallet, 103 - guide rod, 104 - first bracket, 105 - first cylinder, 106 - fixing plate, 107 - motor, 201 - upper probe plate body, 202 - bolt, 203 - pressing plate, 204 - first spring, 205 - roller, 206 - outer diameter measuring sensor, 207 - second bracket, 401 - first U-shaped block, 402 - first distance sensor, 403 - first needle-shaped cylinder, 404 - first special-shaped extension rod, 405 - first top head, 501 - second U-shaped block, 502 - third U-shaped block, 503 - second cylinder, 504 - second distance sensor, 505 - second spring, 506 - third cylinder, 507 - second top head, 601 - fourth U-shaped block, 602 - third distance sensor, 603 - second needle-shaped cylinder, 604 - second special-shaped extension rod, 605 - third top head. Detailed implementation manners

[0026] 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.

[0027] A tooth ring automatic measuring machine, as Figures 1-3 , includes a pallet lifting mechanism 1, an upper probe mechanism 2, and a bottom plate 3. The pallet lifting mechanism 1 includes a rotating base 101 rotatably installed on the bottom plate 3, a pallet 102 disposed above the rotating base 101. Four guide rods 103 fixedly connected to the lower part of the pallet 102 pass through the bottom plate 3. The four guide rods 103 are slidably engaged with the bottom plate 3. The lower ends of the four guide rods 103 are fixedly connected to a fixing plate 106. A first bracket 104 is fixed below the bottom plate 3. A first cylinder 105 is installed on the first bracket 104. The piston rod of the first cylinder 105 extends upward and is fixedly connected to the fixing plate 106. A motor 107 is also installed below the bottom plate 3. The gear on the rotating shaft of the motor 107 meshes with the tooth ring disposed on the outer periphery of the rotating base 101 for driving.

[0028] As Figure 3 , a small fixed frame is provided at the bottom of the bottom plate 3. A plurality of first inner diameter measuring mechanisms 4 are installed on the small fixed frame, as Figure 4, the first inner diameter measuring mechanism 4 includes a first U-shaped block 401 fixed on a small fixed frame. A first distance sensor 402 and a first needle-shaped cylinder 403 are installed on one U-shaped side of the first U-shaped block 401. The probe of the first distance sensor 402 measures the distance to the other U-shaped side of the first U-shaped block 401. The piston rod of the first needle-shaped cylinder 403 extends and abuts against the other U-shaped side of the first U-shaped block 401. A first special-shaped extension rod 404 is installed on the other U-shaped side of the first U-shaped block 401. A first top head 405 is installed on the first special-shaped extension rod 404. The first special-shaped extension rod 404 passes upward through the bottom plate 3 and is arranged in the rotary base 101.

[0029] As Figure 5 , the upper probe mechanism 2 includes an upper probe plate body 201. The upper probe plate body 201 is vertically slidably installed on the third bracket 7 through a guide rail. The third bracket 7 is horizontally slidably installed on the bottom plate 3 through a guide rail. As Figure 6 , a pressing plate 203 is installed below the upper probe plate body 201 through a bolt 202. The pressing plate 203 moves up and down along the bolt 202 on the bolt 202. The pressing plate 203 is annular. A first spring 204 is arranged between the pressing plate 203 and the upper probe plate body 201. Two ends of the first spring 204 respectively abut against the pressing plate 203 and the upper probe plate body 201. A roller 205 is installed on the lower surface of the pressing plate 203. The rotation axis of the roller 205 is in the horizontal plane. An outer diameter measuring sensor 206 is also fixedly installed below the upper probe plate body 201.

[0030] A second bracket 207 is arranged above the upper probe plate body 201. Two inner groove width measuring mechanisms 5 are installed on the second bracket 207. The measured inner groove is in the inner ring of the gear ring and is in the horizontal plane. To measure the width of the inner groove, it is only necessary to measure the positions of the upper side and the lower side of the inner groove. Therefore, one inner groove width measuring mechanism 5 is used to measure the upper side of the inner groove, and the other inner groove width measuring mechanism 5 is used to measure the lower side of the inner groove. As Figure 7The inner groove width measuring mechanism 5 includes a second U-shaped block 501 and a third U-shaped block 502. One U-shaped side of the second U-shaped block 501 is fixedly connected to one U-shaped side of the third U-shaped block 502. The second U-shaped block 501 and the third U-shaped block 502 are arranged perpendicular to each other. One U-shaped side of the second U-shaped block 501 can move elastically, and the other U-shaped side of the third U-shaped block 502 can move elastically, and the elastic movement of both occurs in the same vertical plane. A second cylinder 503 is mounted on the other U-shaped side of the second U-shaped block 501. The piston rod of the second cylinder 503 extends and abuts against one U-shaped side of the second U-shaped block 501. A second distance sensor 504, a second spring 505, and a third cylinder 506 are mounted on one U-shaped side of the third U-shaped block 502 in sequence. The second distance sensor 504 is used to measure the distance from the second U-shaped side of the third U-shaped block 502. The two ends of the second spring 505 are respectively connected to the two U-shaped sides of the third U-shaped block 502. The piston rod of the third cylinder 506 of the inner groove width measuring mechanism 5 is extended to abut against the other U-shaped edge of the third U-shaped block 502. Figure 8 The piston rod of the third cylinder 506 of the inner groove width measuring mechanism 5 that measures the lower side of the inner groove is retracted and connected with the other U-shaped side of the third U-shaped block 502 and pulled to bring the two U-shaped sides of the third U-shaped block 502 closer.

[0031] like Figure 7 A second plug 507 is installed on the other U-shaped side of the third U-shaped block 502.

[0032] like Figure 6 , further comprising a plurality of second inner diameter measuring mechanisms 6, the second inner diameter measuring mechanisms 6 being mounted on the second bracket 207. Figure 9 The three second inner diameter measuring mechanisms 6 form a group. The second inner diameter measuring mechanism 6 includes a fourth U-shaped block 601, which is installed on the second bracket 207. A third distance sensor 602 and a second needle-type cylinder 603 are installed on one U-shaped edge of the fourth U-shaped block 601. The third distance sensor 602 is used to measure the distance from it to the other U-shaped edge of the fourth U-shaped block 601. The piston rod of the second needle-type cylinder 603 extends and abuts against the other U-shaped edge of the fourth U-shaped block 601. A second special-shaped extension rod 604 is installed on the other U-shaped edge of the fourth U-shaped block 601, and a third head 605 is installed on the second special-shaped extension rod 604.

[0033] A horizontal grabbing mechanism 8 is installed above the base plate 3. A gear ring standard part box 9 is installed on the base plate 3.

[0034] When working, refer to Figures 1-2, 5. First, the third support 7 moves horizontally on the bottom plate 3 to move the upper probe mechanism 2 away from directly above the tray lifting mechanism 1. The tray 102 of the tray lifting mechanism 1 rises, and the external manipulator places the to-be-tested gear ring 10 on the tray 102. The tray 102 descends, and the gear ring 10 is placed on the rotating base 101, as shown in Figure 3 . The third support 7 moves horizontally on the bottom plate 3 so that the upper probe mechanism 2 moves to directly above the tray lifting mechanism 1.

[0035] Reference Figures 6-8 , control the piston rod of the second cylinder 503 of the two inner groove width measuring mechanisms 5 to extend and abut against one U-shaped side of the second U-shaped block 501, so that when the inner groove width measuring mechanism 5 descends, the second top head 507 on the third U-shaped block 502 is far from the inner wall of the gear ring 10 and no collision will occur. After the upper probe plate body 201 descends, the piston rod of the third cylinder 506 of the inner groove width measuring mechanism 5 for measuring the upper side of the inner groove extends. Referring to Figure 8 , deform the U-shaped side at the lower edge of the third U-shaped block 502 downward, push the second top head 507 downward by a certain distance, and the piston rod of the second cylinder 503 retracts to restore its original state. Then, the second top head 507 moves into the inner groove. The piston rod of the third cylinder 506 retracts, and the second top head 507 moves upward by a certain distance. The second top head 507 abuts against the upper side of the inner groove and measures the upper side of the inner groove during the subsequent process. When measuring the lower side of the inner groove and the upper side of the inner groove, the piston rods of the second cylinders 503 of the two are arranged oppositely and act oppositely; when the piston rod of the third cylinder 506 for measuring the upper side of the inner groove extends and abuts, the piston rod of the third cylinder 506 corresponding to measuring the lower side of the inner groove connects and pulls the U-shaped side at the lower edge of the third U-shaped block 502 to deform upward.

[0036] Reference Figure 6 , during the process of the upper probe mechanism 2 descending just now, the roller 205 of the pressing plate 203 first presses on the gear ring 10, and both ends of the first spring 204 abut. The rotating base 101 rotates, the roller 205 rolls on the upper surface of the gear ring 10, the outer diameter measuring sensor 206 measures the outer diameter of the outer circumference of the gear ring 10, the first inner diameter measuring mechanism 4 measures a part of the inner diameter of the gear ring 10, and the second inner diameter measuring mechanism 6 measures another part of the inner diameter of the gear ring 10. At the same time, the two inner groove width measuring mechanisms 5 respectively measure the upper and lower sides of the inner groove. Since the gear ring 10 is measured during rotation, the above measurement data are all sets of numerical change data, and data change analysis can be performed on them.

[0037] After the measurement is completed, the upper probe mechanism 2 is lifted and moved away horizontally. The tray 102 is lifted, and the horizontal grasping mechanism 8 takes away the gear ring 10 on the tray 102, and the test is cycled in this way.

[0038] When calibration is required, the external manipulator grabs the ring gear standard part in the ring gear standard part box 9 and places it on the tray 102, and calibration is carried out according to the above measurement method.

[0039] In summary, the ring gear automatic measuring machine of the present invention automatically measures the data at multiple positions of the inner and outer diameters of the ring gear, and measures the data of the two upper and lower sides of the inner groove opened inside the ring gear; the measurement process is stable and reliable, and at the same time, the measurement speed is fast, the efficiency is high, and the error is small.

[0040] 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 changes and modifications. 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. An automatic measuring machine for a gear ring, characterized in that: It includes a tray lifting mechanism (1), an upper probe mechanism (2), and a bottom plate (3). The tray lifting mechanism (1) includes a rotating base (101) rotatably mounted on the bottom plate (3), and a tray (102) disposed above the rotating base (101). A guide rod (103) that moves up and down through the bottom plate (3) is fixedly connected below the tray (102). The bottom plate (3) is also provided with a plurality of first inner diameter measuring mechanisms (4). The first inner diameter measuring mechanism (4) includes a first U-shaped block (401). A first distance sensor (402) and a first needle-shaped cylinder (403) are mounted on one U-shaped side of the first U-shaped block (401). A first special-shaped extension rod (404) is mounted on the other U-shaped side of the first U-shaped block (401). The upper probe mechanism (2) includes an upper probe plate body (201). A pressing plate (203) is mounted below the upper probe plate body (201) through bolts (202). The pressing plate (203) moves up and down on the bolts (202). A first spring (204) is disposed between the pressing plate (203) and the upper probe plate body (201). A roller (205) is mounted on the lower surface of the pressing plate (203). A second bracket (207) is disposed above the upper probe plate body (201). Two inner groove width measuring mechanisms (5) are mounted on the second bracket (207). The inner groove width measuring mechanism (5) includes a second U-shaped block (501) and a third U-shaped block (502). One U-shaped side of the second U-shaped block (501) is fixedly connected to one U-shaped side of the third U-shaped block (502). The second U-shaped block (501) and the third U-shaped block (502) are perpendicularly arranged. A second cylinder (503) is mounted on the other U-shaped side of the second U-shaped block (501). A second distance sensor (504), a second spring (505), and a third cylinder (506) are sequentially mounted on one U-shaped side of the third U-shaped block (502). An outer diameter measuring sensor (206) is also fixedly mounted below the upper probe plate body (201). There are also a plurality of second inner diameter measuring mechanisms (6). The second inner diameter measuring mechanism (6) is mounted on the second bracket (207). The second inner diameter measuring mechanism (6) includes a fourth U-shaped block (601). A third distance sensor (602) and a second needle-shaped cylinder (603) are mounted on one U-shaped side of the fourth U-shaped block (601). A second special-shaped extension rod (604) is mounted on the other U-shaped side of the fourth U-shaped block (601). A third top head (605) is mounted on the second special-shaped extension rod (604).

2. The ring gear automatic measuring machine according to claim 1, characterized in that, A first bracket (104) is fixed below the bottom plate (3). A first cylinder (105) is mounted on the first bracket (104). The piston rod of the first cylinder (105) is connected to the guide rod (103) through a fixing plate (106).

3. The ring gear automatic measuring machine according to claim 1, characterized in that A motor (107) is also installed below the bottom plate (3), and a gear on the rotating shaft of the motor (107) is meshed with a toothed ring arranged on the outer periphery of the rotating base (101) for transmission.

4. The ring gear automatic measuring machine according to claim 1, characterized in that A first top head (405) is installed on the first special-shaped extension rod (404).

5. The ring gear automatic measuring machine according to claim 1, characterized in that A second top head (507) is installed on the other U-shaped side of the third U-shaped block (502).

6. The ring gear automatic measuring machine according to claim 1, characterized in that, The upper probe plate body (201) is vertically and slidably installed on the third bracket (7) through a guide rail, and the third bracket (7) is horizontally and slidably installed on the bottom plate (3) through a guide rail.

7. The ring gear automatic measuring machine according to any one of claims 1-6, characterized in that, A horizontal grasping mechanism (8) is installed above the bottom plate (3).

8. The ring gear automatic measuring machine according to any one of claims 1-6, characterized in that, A toothed ring standard part box (9) is installed on the bottom plate (3).

Images