Accurate punching device for synchronous pulley machining

Abstract

The utility model discloses an accurate punching device for synchronous pulley machining, which relates to the technical field of punching devices and comprises a support table and a fastening component. A first motor is installed on the lower side of the supporting table, a storage disc is fixed to an output shaft of the first motor, a fixing frame is fixed to the front end of the upper side of the supporting table, a second electric telescopic rod is installed on the upper side of the fixing frame, and a drilling assembly is installed on a telescopic arm of the second electric telescopic rod; a limiting assembly is installed on the upper side of the supporting table, the drilling assembly is matched with the limiting assembly, and a rotating assembly is installed at the left end of the upper side of the supporting table. And the fastening assembly comprises rotating shafts, fixing rings, fastening strips and fastening heads, rotating holes which are evenly distributed are formed in the upper side of the supporting table, the rotating shafts are rotationally connected into the rotating holes, the storage disc is located among all the rotating shafts, and the drilling depth can be accurately controlled according to requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of punching devices, in particular to a precise punching device for synchronous belt wheel processing. Background Art

[0002] Synchronous pulleys are generally made of steel, aluminum alloy, cast iron, brass and other materials, and their inner holes are round holes, D-shaped holes, tapered holes, etc. Synchronous pulley transmission consists of a closed ring belt with equally spaced teeth on the inner surface and a corresponding pulley;

[0003] During the manufacturing process of synchronous pulleys, they need to be drilled. Currently, when drilling synchronous pulleys, the drilling depth of the synchronous pulleys cannot be accurately located, which leads to a high probability of scrap during the drilling process and increases the production cost of the synchronous pulleys. For this reason, we propose a precise drilling device for synchronous pulley processing. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a precise drilling device for synchronous pulley processing, which can accurately control the depth of the drilling hole according to the demand and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision punching device for synchronous pulley processing, comprising a support platform and a fastening assembly;

[0006] Support platform: a first motor is installed on the lower side, a storage disk is fixed on the output shaft of the first motor, a fixed frame is fixed on the front end of the upper side of the support platform, a second electric telescopic rod is installed on the upper side of the fixed frame, a drilling assembly is installed on the telescopic arm of the second electric telescopic rod, a limit assembly is installed on the upper side of the support platform, the drilling assembly cooperates with the limit assembly, and a rotating assembly is installed on the left end of the upper side of the support platform;

[0007] Fastening assembly: comprising a rotating shaft, a fixing ring, a fastening strip and a fastening head. The upper side of the support platform is provided with evenly distributed rotating holes, the internal rotation of the rotating holes is connected with a rotating shaft, the storage disk is located between all the rotating shafts, a fixing ring is fixed to the upper end of the circumferential surface of the rotating shaft, a fastening strip is fixed to the circumferential surface of the fixing ring, a fastening head is fixed to the side of the fastening strip, a connecting assembly is installed at the lower end of the rotating shaft, the connecting assembly cooperates with the rotating assembly, and the synchronous pulley is fixed by setting the fastening assembly;

[0008] Wherein: the input ends of the first motor and the second electric telescopic rod are both electrically connected to the output end of an external PLC controller.

[0009] Furthermore, the connecting assembly includes a sprocket ring and a chain, a sprocket ring is fixed to the lower end of the circumferential surface of the rotating shaft, all the sprocket rings are connected to each other by a chain, and all the rotating shafts are connected by setting the connecting assembly.

[0010] Furthermore, the rotating assembly includes a third motor, a gear and a gear ring. The third motor is installed on the left end of the upper side of the support platform. A gear is fixed on the output shaft of the third motor. A gear ring is fixed on the circumferential surface of the rotating shaft on the left side. The gear ring is meshed with the gear. The input end of the third motor is electrically connected to the output end of the external PLC controller. By setting the rotating assembly, all the sprocket rings are driven to rotate.

[0011] Furthermore, the drilling assembly includes a fixed frame, a second motor and a drill rod. The fixed frame is fixed on the telescopic arm of the second electric telescopic rod. The second motor is installed inside the fixed frame. The drill rod is fixed on the output shaft of the second motor. The input end of the second motor is electrically connected to the output end of the external PLC controller. The synchronous pulley is drilled by setting the drilling assembly.

[0012] Furthermore, it also includes a detection component, which includes a fixing plate and a pressure sensor. The fixing plate is fixed on the front side of the fixing frame, and a mounting hole is opened on the front side edge of the fixing plate. The pressure sensor is installed inside the mounting hole. The pressure sensor is bidirectionally electrically connected to an external PLC controller. The position of the fixing frame is detected by setting the detection component.

[0013] Furthermore, the limit assembly includes a scale groove, a first electric telescopic rod and a pointer. The front side of the fixed frame is provided with evenly distributed scale grooves, the front side of the fixed frame is provided with a strip opening, the inside of the strip opening is provided with a first electric telescopic rod, the first electric telescopic rod is installed on the upper side of the support platform, a limit plate is fixed on the telescopic arm of the first electric telescopic rod, a pointer is fixed on the front side of the limit plate, the pointer cooperates with the scale groove, the input end of the first electric telescopic rod is electrically connected to the output end of an external PLC controller, and the moving position of the fixed frame is limited by setting the limit assembly.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the precise punching device for synchronous pulley processing has the following advantages:

[0015] The synchronous belt pulley that needs to be punched is fixed by setting a fastening component. After fixation, the first electric telescopic rod is started according to demand to move the limit plate and the pointer fixed on the telescopic arm. At this time, the limit plate is moved to the appropriate position according to the evenly distributed scale grooves and the pointer. Then the second electric telescopic rod is started to make the drilling component drill the synchronous belt pulley downward. In the process of the drilling component moving downward, the fixed plate and the pressure sensor will also be driven downward. When the pressure sensor contacts the limit plate, the external PLC controller can control the second electric telescopic rod to stop moving. In this case, a hole of appropriate depth can be drilled. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0017] Figure 2 This is an enlarged view of point A of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the rotating assembly of the utility model.

[0019] In the figure: 1 support platform, 2 first motor, 3 storage disk, 4 drilling assembly, 41 fixed frame, 42 second motor, 43 drill rod, 5 detection assembly, 51 fixed plate, 52 pressure sensor, 6 fastening assembly, 61 rotating shaft, 62 fixing ring, 63 fastening strip, 64 fastening head, 7 rotating assembly, 71 third motor, 72 gear, 73 gear ring, 8 connecting assembly, 81 sprocket ring, 82 chain, 9 limiting assembly, 91 scale groove, 92 first electric telescopic rod, 93 pointer, 10 fixed frame, 11 second electric telescopic rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 ,This embodiment provides a technical solution: a precision punching device for synchronous pulley processing, comprising a support table 1 and a fastening assembly 6;

[0022] Support platform 1: A first motor 2 is installed on the lower side, a storage disk 3 is fixed on the output shaft of the first motor 2, a fixed frame 10 is fixed on the front end of the upper side of the support platform 1, a second electric telescopic rod 11 is installed on the upper side of the fixed frame 10, a drilling component 4 is installed on the telescopic arm of the second electric telescopic rod 11, a limit component 9 is installed on the upper side of the support platform 1, the drilling component 4 cooperates with the limit component 9, a rotating component 7 is installed on the left end of the upper side of the support platform 1, the rotating component 7 includes a third motor 71, a gear 72 and a gear ring 73, and a third motor 71 is installed on the left end of the upper side of the support platform 1. A gear 72 is fixed on the output shaft of the third motor 71, a gear ring 73 is fixed on the circumferential surface of the left rotating shaft 61, the gear ring 73 meshes with the gear 72, the input end of the third motor 71 is electrically connected to the output end of the external PLC controller, the drilling assembly 4 includes a fixed frame 41, a second motor 42 and a drill rod 43, the telescopic arm of the second electric telescopic rod 11 is fixed with a fixed frame 41, the interior of the fixed frame 41 is installed with a second motor 42, the output shaft of the second motor 42 is fixed with a drill rod 43, the input end of the second motor 42 is electrically connected to the output end of the external PLC controller, and the drilling assembly 4 includes a fixed frame 41, a second motor 42 is installed inside the fixed frame 41, and the output shaft of the second motor 42 is fixed with a drill rod 43. The output end also includes a detection component 5, the detection component 5 includes a fixing plate 51 and a pressure sensor 52, the front side of the fixing frame 41 is fixed with the fixing plate 51, the front side edge of the fixing plate 51 is provided with a mounting hole, the inside of the mounting hole is provided with a pressure sensor 52, the pressure sensor 52 is bidirectionally electrically connected to the external PLC controller, the limit component 9 includes a scale groove 91, a first electric telescopic rod 92 and a pointer 93, the front side of the fixing frame 10 is provided with evenly distributed scale grooves 91, the front side of the fixing frame 10 is provided with a strip opening, the inside of the strip opening is provided with a first electric telescopic rod 9 2. The first electric telescopic rod 92 is installed on the upper side of the support platform 1. A limit plate is fixed on the telescopic arm of the first electric telescopic rod 92. A pointer 93 is fixed on the front side of the limit plate. The pointer 93 cooperates with the scale groove 91. The input end of the first electric telescopic rod 92 is electrically connected to the output end of the external PLC controller. The moving position of the fixed frame 41 is limited by setting the limit component 9, the position of the fixed frame 41 is detected by setting the detection component 5, the synchronous belt wheel is drilled by setting the drilling component 4, and all the sprocket rings 81 are driven to rotate by setting the rotating component 7;

[0023] Fastening assembly 6: comprising a rotating shaft 61, a fixing ring 62, a fastening strip 63 and a fastening head 64. The upper side of the support platform 1 is provided with evenly distributed rotating holes, the rotating shaft 61 is rotatably connected inside the rotating hole, the storage disk 3 is located between all the rotating shafts 61, a fixing ring 62 is fixed to the upper end of the circumferential surface of the rotating shaft 61, a fastening strip 63 is fixed to the circumferential surface of the fixing ring 62, a fastening head 64 is fixed to the side of the fastening strip 63, a connecting assembly 8 is installed at the lower end of the rotating shaft 61, the connecting assembly 8 and the rotating assembly 7 cooperate, the connecting assembly 8 comprises a sprocket ring 81 and a chain 82, a sprocket ring 81 is fixed to the lower end of the circumferential surface of the rotating shaft 61, all the sprocket rings 81 are connected to each other by the chain 82, all the rotating shafts 61 are connected by setting the connecting assembly 8, and the synchronous belt pulley is fixed by setting the fastening assembly 6;

[0024] Wherein: the input ends of the first motor 2 and the second electric telescopic rod 11 are both electrically connected to the output end of the external PLC controller.

[0025] The working principle of a precise punching device for synchronous belt pulley processing provided by the utility model is as follows: first, the synchronous belt pulley is placed above the storage disk 3. After the placement is completed, the third motor 71 is started to rotate the gear 72, and the rotation of the gear 72 drives the gear ring 73 to rotate. The rotation of the gear ring 73 drives the rotating shaft 61 on the left to rotate, and the rotation of the rotating shaft 61 on the left drives the sprocket ring 81 on the left to rotate, so that all the rotating shafts 61 rotate, and the rotation of all the rotating shafts 61 drives all the fixing rings 62 to rotate, and the rotation of all the fixing rings 62 drives all the fastening strips 63 and all the fastening heads 64 to rotate to fix the synchronous belt pulley. After fixation, the first electric telescopic rod 92 is started according to demand to move the limit plate and the pointer 93 fixed on its telescopic arm. At this time, the limit plate is moved to the closed position according to the evenly distributed scale grooves 91 and the pointer 93. The second motor 42 is started to rotate the drill rod 43 during the downward movement of the fixed frame 41, and the synchronous pulley can be drilled by rotating the drill rod 43. In the process of the fixed frame 41 moving downward, the fixed plate 51 and the pressure sensor 52 will also be driven to move downward. When the pressure sensor 52 contacts the limit plate, the external PLC controller can control the second electric telescopic rod 11 to stop moving. In this case, a hole of a suitable depth can be drilled. After drilling one end of the synchronous pulley is completed, all the fastening strips 63 are controlled to move away from the synchronous pulley. Then the first motor 2 is started to rotate the storage disk 3. The rotation of the storage disk 3 drives the synchronous pulley to rotate. When the undrilled position is rotated to the bottom of the drill rod 43, it can be drilled again.

[0026] It is worth noting that the external PLC controller disclosed in the above embodiments is specifically a Siemens S7-200, the first motor 2, the second motor 42 and the third motor 71 can use 1LE0003 three-phase asynchronous motors, the first electric telescopic rod 92 and the second electric telescopic rod 11 can use TGC-A high-thrust electric telescopic rods, the pressure sensor 52 can use DP-101 pressure sensor, and the external PLC controller controls the first motor 2, the second motor 42, the third motor 71, the first electric telescopic rod 92 and the second electric telescopic rod 11 to work using methods commonly used in the prior art.

[0027] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A precision punching device for synchronous pulley processing, characterized in that: It comprises a support platform (1) and a fastening assembly (6); A support platform (1): a first motor (2) is installed on the lower side, a storage disk (3) is fixed on the output shaft of the first motor (2), a fixed frame (10) is fixed on the front end of the upper side of the support platform (1), a second electric telescopic rod (11) is installed on the upper side of the fixed frame (10), a drilling assembly (4) is installed on the telescopic arm of the second electric telescopic rod (11), a limit assembly (9) is installed on the upper side of the support platform (1), the drilling assembly (4) cooperates with the limit assembly (9), and a rotating assembly (7) is installed on the left end of the upper side of the support platform (1); The fastening assembly (6) comprises a rotating shaft (61), a fixing ring (62), a fastening strip (63) and a fastening head (64). The upper side of the support platform (1) is provided with evenly distributed rotating holes. The rotating shaft (61) is rotatably connected inside the rotating hole. The storage disk (3) is located between all the rotating shafts (61). The upper end of the circumferential surface of the rotating shaft (61) is fixed with a fixing ring (62). The circumferential surface of the fixing ring (62) is fixed with a fastening strip (63). The side surface of the fastening strip (63) is fixed with a fastening head (64). The lower end of the rotating shaft (61) is provided with a connecting assembly (8). The connecting assembly (8) cooperates with the rotating assembly (7). Wherein: the input ends of the first motor (2) and the second electric telescopic rod (11) are both electrically connected to the output ends of an external PLC controller.

2. The precise punching device for synchronous pulley processing according to claim 1, characterized in that: The connecting assembly (8) comprises a sprocket ring (81) and a chain (82); a sprocket ring (81) is fixed to the lower end of the circumferential surface of the rotating shaft (61); and all the sprocket rings (81) are connected in pairs via the chain (82).

3. The precise punching device for synchronous pulley processing according to claim 2, characterized in that: The rotating assembly (7) comprises a third motor (71), a gear (72) and a gear ring (73); the third motor (71) is installed at the left end of the upper side of the support platform (1); a gear (72) is fixed on the output shaft of the third motor (71); a gear ring (73) is fixed on the circumferential surface of the left rotating shaft (61); the gear ring (73) is meshed with the gear (72); and the input end of the third motor (71) is electrically connected to the output end of an external PLC controller.

4. The precise punching device for synchronous pulley processing according to claim 1, characterized in that: The drilling assembly (4) comprises a fixing frame (41), a second motor (42) and a drill rod (43); the fixing frame (41) is fixed on the telescopic arm of the second electric telescopic rod (11); the second motor (42) is installed inside the fixing frame (41); the drill rod (43) is fixed on the output shaft of the second motor (42); and the input end of the second motor (42) is electrically connected to the output end of an external PLC controller.

5. The precise punching device for synchronous pulley processing according to claim 4, characterized in that: The invention also comprises a detection component (5), wherein the detection component (5) comprises a fixing plate (51) and a pressure sensor (52); the fixing plate (51) is fixed to the front side of the fixing frame (41); a mounting hole is provided on the front side edge of the fixing plate (51); a pressure sensor (52) is installed inside the mounting hole; and the pressure sensor (52) is bidirectionally electrically connected to an external PLC controller.

6. The precise punching device for synchronous pulley processing according to claim 5, characterized in that: The limit assembly (9) comprises a scale groove (91), a first electric telescopic rod (92) and a pointer (93); the front side of the fixed frame (10) is provided with evenly distributed scale grooves (91); the front side of the fixed frame (10) is provided with a strip-shaped opening; the first electric telescopic rod (92) is arranged inside the strip-shaped opening; the first electric telescopic rod (92) is mounted on the upper side of the support platform (1); a limit plate is fixed on the telescopic arm of the first electric telescopic rod (92); a pointer (93) is fixed on the front side of the limit plate; the pointer (93) cooperates with the scale groove (91); the input end of the first electric telescopic rod (92) is electrically connected to the output end of an external PLC controller.

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