CN222078998U - A crankshaft fixture positioning tool - Google Patents

Abstract

The utility model relates to the technical field of crankshaft machining and discloses a crankshaft clamp positioning tool which comprises a base, wherein a first motor is arranged at one end of the base, a U-shaped plate is arranged at the output end of the first motor, a mounting plate is arranged at one end of the U-shaped plate, a bidirectional threaded rod is rotatably connected to one end of the mounting plate, a first gear is arranged in the middle of the bidirectional threaded rod, a second motor is arranged on one side of the mounting plate, a second gear is arranged at the output end of the second motor, the second gear is meshed with the first gear, two clamping blocks are slidably connected to one side of the mounting plate, which is far away from the bidirectional threaded rod, and the two clamping blocks are respectively positioned at two ends of the first gear.

Description

Crankshaft clamp positioning tool

Technical Field

The utility model relates to the technical field of crankshaft machining, in particular to a crankshaft clamp positioning tool.

Background

The crankshaft is the most important part in the engine, bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work, and the crankshaft is clamped and positioned when the crankshaft is subjected to grinding processing, so that the processing precision is ensured, and a crankshaft clamp positioning tool is needed in the process of clamping and positioning the crankshaft.

The utility model discloses a locating fixture for crank shaft grinding processing as chinese patent publication No. CN219521752U, grant bulletin day 2023, 8 month 15, including base, movable block and fixed block, the spout has been seted up to the top symmetry of base, the movable block is installed through the spout at the top of base, the mounting groove has been seted up to the inboard of movable block, the inside movable mounting of mounting groove has a fixed cylinder, the fixed block is installed through the bolt at the top of base, and the fixed block corresponds with the movable block, the spliced pole is installed to one side of fixed block, the dwang is installed through the spliced pole penetration in the back of fixed block.

However, when in actual use, the clamp can facilitate machining and grinding of other surfaces on the crankshaft when the crankshaft is ground, but a worker is required to manually screw the threaded fixing rod when clamping and positioning the crankshaft, so that the crankshaft is troublesome to fix and detach, the fixing and detaching time is increased, and the working efficiency is further influenced.

Disclosure of utility model

The utility model aims to provide a crankshaft clamp positioning tool, which solves the problem that the existing crankshaft clamp positioning tool is troublesome in the process of fixing or disassembling a crankshaft.

In order to achieve the purpose, the crankshaft clamp positioning tool comprises a base, wherein one end of the base is provided with a first motor, the output end of the first motor is provided with a U-shaped plate, one end of the U-shaped plate is provided with a mounting plate, one end of the U-shaped plate, which is positioned on the mounting plate, is rotationally connected with a bidirectional threaded rod, a first gear is arranged in the middle of the bidirectional threaded rod, one side of the mounting plate is provided with a second motor, the output end of the second motor is provided with a second gear, the second gear is in meshed connection with the first gear, one side, far away from the bidirectional threaded rod, of the mounting plate is slidably connected with two clamping blocks, the clamping blocks are in threaded connection with the bidirectional threaded rod, and the two clamping blocks are respectively positioned at two ends of the first gear.

Preferably, the mounting panel middle part is equipped with logical groove, clamp splice one end fixedly connected with connecting block, connecting block and logical groove sliding connection, clamp splice one end fixedly connected with lantern ring is kept away from to the connecting block, lantern ring and two-way threaded rod threaded connection.

Preferably, the mounting plate is provided with sliding grooves at the upper end and the lower end of the through groove respectively, the clamping blocks are provided with sliding blocks at the upper end and the lower end of the connecting block respectively and fixedly connected with the sliding blocks, and the sliding blocks are in sliding connection with the sliding grooves.

Preferably, the base is located one end of the first motor and is fixedly connected with a first support column, and the top of the first support column is fixedly connected with the first motor.

Preferably, the base is kept away from first support column one end fixedly connected with second support column, second support column top rotation is connected with the pneumatic cylinder, pneumatic cylinder output fixedly connected with briquetting.

Preferably, the base is located two cylinders of fixedly connected with between first support column and the second support column, two the common fixedly connected with lifting plate of cylinder output.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the second motor drives the second gear to rotate so as to drive the first gear to rotate, and then the bidirectional threaded rod is driven to rotate, in the process of rotating the bidirectional threaded rod, the two clamping blocks can synchronously move, one end of the crankshaft can be clamped when the two clamping blocks are close to each other, and the crankshaft can be smoothly taken down when the two clamping blocks are far away from each other, so that the crankshaft is very convenient to fix and detach, in addition, the pressing block is driven to move through the hydraulic cylinder, so that one end of the crankshaft far away from the clamping block is extruded, the driving can be fixed more stably, and in addition, people do not need to manually lift the crankshaft to the height of the clamping block when fixing the crankshaft through the design of the cylinder and the lifting plate, so that the crankshaft fixing speed is accelerated.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the back structure of the mounting plate according to the present utility model;

fig. 3 is a schematic front view of a mounting plate according to the present utility model.

In the figure, 1, a base; 2, a first motor, 3, a U-shaped plate, 4, a mounting plate, 5, a bidirectional threaded rod, 6, a first gear, 7, a second motor, 8, a second gear, 9, a clamping block, 10, a through groove, 11, a connecting block, 12, a lantern ring, 13, a sliding groove, 14, a sliding block, 15, a first supporting column, 16, a second supporting column, 17, a hydraulic cylinder, 18, a pressing block, 19, an air cylinder, 20 and a lifting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

Referring to fig. 1-3, the utility model provides a technical scheme that the crankshaft fixture positioning fixture comprises a base 1, wherein one end of the base 1 is provided with a first motor 2, the output end of the first motor 2 is provided with a U-shaped plate 3, one end of the U-shaped plate 3 is provided with a mounting plate 4,U, one end of the mounting plate 4 is rotatably connected with a bidirectional threaded rod 5, the middle part of the bidirectional threaded rod 5 is provided with a first gear 6, one side of the mounting plate 4 is provided with a second motor 7, the output end of the second motor 7 is provided with a second gear 8, the second gear 8 is meshed with the first gear 6, one side of the mounting plate 4 far away from the bidirectional threaded rod 5 is slidingly connected with two clamping blocks 9, the clamping blocks 9 are in threaded connection with the bidirectional threaded rod 5, the two clamping blocks 9 are respectively positioned at two ends of the first gear 6,

In this embodiment, the second gear 8 is driven to rotate by the second motor 7, so as to drive the first gear 6 to rotate, and further drive the bi-directional threaded rod 5 to rotate, because the clamping blocks 9 are in threaded connection with the bi-directional threaded rod 5, when the bi-directional threaded rod 5 rotates, the two clamping blocks 9 can synchronously move, when the two clamping blocks 9 are close to each other, one end of the crankshaft can be clamped, in addition, when the crankshaft needs to be rotated during grinding, the first motor 2 is turned on, the U-shaped plate 3 is driven by the first motor 2 to rotate, so that the mounting plate 4 is driven to rotate, and the crankshaft is driven to rotate, so that the crankshaft can be ground.

The mounting panel 4 middle part is equipped with logical groove 10, clamp splice 9 one end fixedly connected with connecting block 11, connecting block 11 and logical groove 10 sliding connection, and clamp splice 9 one end fixedly connected with lantern ring 12 is kept away from to connecting block 11, lantern ring 12 and two-way threaded rod 5 threaded connection, in this embodiment, the design through the connecting rod lets clamp splice 9 can be smooth with mounting panel 4 sliding connection together, the design through lantern ring 12 lets clamp splice 9 can be smooth with two-way threaded rod 5 threaded connection together.

The mounting panel 4 is located the upper and lower both ends of leading to the groove 10 and is equipped with spout 13 respectively, and clamp splice 9 is located the upper and lower both ends of connecting block 11 and is fixedly connected with slider 14 respectively, slider 14 and spout 13 sliding connection, in this embodiment, the design through spout 13 and slider 14 lets clamp splice 9 more stable when removing.

Base 1 is located first motor 2 one end fixedly connected with first support column 15, and first support column 15 top and first motor 2 fixed connection, in this embodiment, in order to let the bent axle possess bigger space when carrying out abrasive machining, consequently let the bent axle keep away from base 1 after being fixed through the design of first support column 15 to let it possess bigger space when carrying out abrasive machining.

The base 1 is kept away from first support column 15 one end fixedly connected with second support column 16, and second support column 16 top rotates and is connected with pneumatic cylinder 17, and pneumatic cylinder 17 output fixedly connected with briquetting 18, in this embodiment, through pneumatic cylinder 17 drive briquetting 18 removal to keep away from the one end of clamp splice 9 to the bent axle and extrude, the bent axle will be fixed more stable like this, wherein in order not to influence the bent axle rotation, so rotate the pneumatic cylinder 17 with second support column 16 and link together.

The base 1 is located two cylinders 19 of fixedly connected with between first support column 15 and the second support column 16, and two cylinders 19 output fixedly connected with lifting plate 20 jointly, in this embodiment, can drive lifting plate 20 through cylinder 19 and reciprocate, and people do not need the manual work to lift it to clamp splice 9 height when fixed bent axle like this to the fixed speed of bent axle has been accelerated, and wherein lifting plate 20 top sets up to the arc recess, can prevent like this that the bent axle from rolling off from lifting plate 20.

When the crank shaft is used, the crankshaft is firstly placed on the lifting plate 20, then the two air cylinders 19 are simultaneously opened, the lifting plate 20 moves upwards under the driving of the air cylinders 19, when the driving moves to the central positions of the two clamping blocks 9, the air cylinders 19 are closed, the second motor 7 is simultaneously opened, the second gear 8 rotates under the driving of the second motor 7, so that the first gear 6 is driven to rotate, the bidirectional threaded rod 5 is driven to rotate, the two clamping blocks 9 synchronously move when the bidirectional threaded rod 5 rotates, one end of the crankshaft can be clamped when the two clamping blocks 9 are mutually close, then the hydraulic cylinder 17 is opened, the pressing block 18 moves towards the crankshaft under the driving of the hydraulic cylinder 17, so that one end of the crankshaft far away from the clamping blocks 9 is extruded, the crankshaft is clamped and fixed, at the moment, the two air cylinders 19 are opened again, the air cylinders 19 drive the lifting plate 20 to move downwards, so that the first gear 20 does not influence the subsequent processing of the crankshaft, the first motor is required to rotate when the grinding motor is driven to rotate, the first U2 is driven to rotate, the mounting plate 4 is driven to rotate, and the crankshaft 4 is driven to rotate, so that the mounting plate 4 is processed to rotate.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A crankshaft fixture positioning tool comprises a base (1) and is characterized in that a first motor (2) is arranged at one end of the base (1), a U-shaped plate (3) is arranged at the output end of the first motor (2), a mounting plate (4) is arranged at one end of the U-shaped plate (3), a bidirectional threaded rod (5) is rotatably connected to one end of the mounting plate (4), a first gear (6) is arranged in the middle of the bidirectional threaded rod (5), a second motor (7) is arranged on one side of the mounting plate (4), a second gear (8) is arranged at the output end of the second motor (7), the second gear (8) is connected with the first gear (6) in a meshed mode, two clamping blocks (9) are connected with the bidirectional threaded rod (5) in a threaded mode in a sliding mode on one side of the mounting plate (4), and the two clamping blocks (9) are located at two ends of the first gear (6) respectively.

2. The crankshaft clamp positioning tool as set forth in claim 1, wherein a through groove (10) is formed in the middle of the mounting plate (4), a connecting block (11) is fixedly connected to one end of the clamping block (9), the connecting block (11) is slidably connected with the through groove (10), a lantern ring (12) is fixedly connected to one end, away from the clamping block (9), of the connecting block (11), and the lantern ring (12) is in threaded connection with the bidirectional threaded rod (5).

3. The crankshaft clamp positioning tool as set forth in claim 2, wherein the mounting plate (4) is provided with sliding grooves (13) at the upper end and the lower end of the through groove (10), the clamping blocks (9) are fixedly connected with sliding blocks (14) at the upper end and the lower end of the connecting block (11), and the sliding blocks (14) are in sliding connection with the sliding grooves (13).

4. The crankshaft clamp positioning tool as set forth in claim 1, wherein the base (1) is fixedly connected with a first support column (15) at one end of the first motor (2), and the top of the first support column (15) is fixedly connected with the first motor (2).

5. The crankshaft clamp positioning tool as set forth in claim 4, wherein a second support column (16) is fixedly connected to one end, far away from the first support column (15), of the base (1), a hydraulic cylinder (17) is rotatably connected to the top of the second support column (16), and a pressing block (18) is fixedly connected to the output end of the hydraulic cylinder (17).

6. The crankshaft clamp positioning tool as set forth in claim 5, wherein two cylinders (19) are fixedly connected between the first support column (15) and the second support column (16) of the base (1), and lifting plates (20) are fixedly connected to the output ends of the two cylinders (19) together.