CN-224216030-U - Coaxiality detection device for tungsten steel mold

Abstract

The utility model discloses a coaxiality detection device for a tungsten steel die, which comprises a bottom plate, a side plate, a top plate, a workbench, a dial indicator, an adjusting bracket, a hinge piece, a rotating plate, a lifting plate, a nut seat, a linear bearing, a rotating seat, a crank, a guide rod and a screw rod, wherein a first through hole is formed in the middle of the workbench, a transmission shaft is arranged in the first through hole in a penetrating manner, the transmission shaft is connected with a motor through a coupling, the motor is fixedly arranged on the bottom plate, the upper end of the coupling is connected with a chuck, the chuck is rotationally connected to the workbench through a thrust bearing, and a workpiece is clamped in the chuck. The motor drives the chuck to rotate so that the dial indicator detects the surface of the workpiece on the horizontal circumferential surface. The chuck can clamp and fix the workpiece in the center more accurately. The chuck is rotationally connected to the workbench through the thrust bearing, so that the chuck can be prevented from jumping up and down and shaking left and right. The detection accuracy is higher. The coupling can reduce vibrations conducted by the motor to the chuck.

Inventors

• XI YIMING

Assignees

• 太仓小小精密模具有限公司

Dates

Publication Date

20260508

Application Date

20250603

Claims (5)

1. 1. The utility model provides a tungsten steel mould axiality detection device, including bottom plate (1), curb plate (2), roof (3), workstation (5), amesdial (13), regulating bracket (14), lifter plate (17), nut seat (18), linear bearing (19), rotating seat (20), crank (21), guide bar (24), and lead screw (25), bottom plate (1) are connected perpendicularly respectively to the both ends of curb plate (2), roof (3), workstation (5) horizontal connection is in the middle part of a pair of curb plate (2), be provided with a plurality of groups of rotating seat (20) on roof (3) and workstation (5), every group is two, both ends rotation connection of guide bar (24), lead screw (25) are on rotating seat (20), lifter plate (17) pass through nut seat (18) and lead screw (25) spiro union, pass through linear bearing (19) and guide bar (24) sliding connection, amesdial (13) are connected with lifter plate (17) through regulating bracket (14); The automatic clamping device is characterized in that a first through hole (9) is formed in the middle of the workbench (5), a transmission shaft (8) is penetratingly arranged in the first through hole (9), the lower end of the transmission shaft (8) is connected with a coupler (7), the lower end of the coupler (7) is connected with a motor (6), the motor (6) is fixedly arranged on the bottom plate (1), the upper end of the transmission shaft (8) is connected with a chuck (11), the chuck (11) is rotatably connected to the workbench (5) through a thrust bearing (10), and a workpiece (12) is clamped in the chuck (11).
2. 2. Tungsten steel mould axiality detection device according to claim 1, characterized in that the end of the lifting plate (17) is connected with a swivel plate (16) by means of a hinge (15), the end of the adjusting bracket (14) being inserted in the swivel plate (16).
3. 3. The tungsten steel mold coaxiality detection device according to claim 1, wherein the chuck (11) and the thrust bearing (10) are connected through a first bolt assembly (22), a ring pad (23) is penetratingly arranged in the middle of the first bolt assembly (22), and two ends of the ring pad (23) are respectively abutted against the thrust bearing (10) and the chuck (11).
4. 4. A tungsten steel mold coaxiality detection device according to claim 3, wherein the thrust bearing (10) comprises an inner ring (26), an outer ring (27), a first roller assembly (29), a second roller assembly (30) and a third roller assembly (31), the inner ring (26) comprises a body (33), a cover body (34) and a plurality of second bolt assemblies (35), the body (33) is overlapped on the cover body (34) and is connected through the plurality of second bolt assemblies (35), the body (33) is provided with a peripheral surface groove, the inner wall of the outer ring (27) is in rolling connection with the groove bottom of the peripheral surface groove through the second roller assembly (30), two side walls are respectively in rolling connection with the side wall of the peripheral surface groove and the side wall of the cover body (34) through the first roller assembly (29) and the third roller assembly (31), the outer ring (27) is provided with a third through hole (32), the first bolt assemblies (22) are connected with the third through hole (32) in a penetrating mode, the body (33) and the cover body (34) are respectively provided with a second through hole (28), and the transmission shaft (8) is connected with the chuck (11) in a penetrating mode.
5. 5. The tungsten steel mold coaxiality detection device according to claim 1, wherein the top end of the transmission shaft (8) is fixedly connected with the bottom of the chuck (11) through a connecting seat (36).

Description

Coaxiality detection device for tungsten steel mold Technical Field The utility model relates to a coaxiality detection device for a tungsten steel die, in particular to a centering and shaking prevention structure of the coaxiality detection device, and belongs to the field of detection equipment. Background The coaxiality detection device is used for detecting coaxiality of the shaft parts. In general, one uses an object rotation method, which is a simple and common method that uses a rotating platform and measurement tools to determine the alignment of the center axis of an object with other elements. By rotating the object and recording the measurement results, the coaxiality of the object can be obtained. However, the existing coaxiality detection device has the defects that the device for clamping the workpiece shakes and jumps, and the center of the workpiece is difficult to align with the center of the clamp. The detection precision is low and the error is large. Disclosure of utility model In order to overcome the defects, the utility model aims to provide a coaxiality detection device for a tungsten steel die. The technical scheme includes that the tungsten steel mold coaxiality detection device comprises a bottom plate, side plates, a top plate, a workbench, a dial indicator, an adjusting support, a hinge piece, a rotating plate, a lifting plate, a nut seat, linear bearings, rotating seats, a crank, a guide rod and a screw rod, wherein the two ends of the side plates are respectively and vertically connected with the bottom plate and the top plate, the workbench is horizontally connected with the middle parts of the pair of side plates, the top plate and the workbench are provided with a plurality of groups of rotating seats, each group is two, the two ends of the guide rod and the screw rod are rotatably connected with the rotating seats, the lifting plate is in threaded connection with the screw rod through the nut seat and is in sliding connection with the guide rod through the linear bearings, the dial indicator is connected with the rotating plate through the adjusting support, the rotating plate is hinged with the lifting plate through the hinge piece, a first through hole is formed in the middle of the workbench, a transmission shaft is penetratingly arranged in the first through shaft, the transmission shaft is fixedly arranged on the bottom plate through a shaft, the upper end of the transmission shaft is connected with a chuck, the chuck is rotatably connected with the workbench through the bearing, and a workpiece is clamped in the chuck. Preferably, the end of the lifting plate is connected with a rotating plate through a hinge, and the end of the adjusting bracket is inserted into the rotating plate. Preferably, the chuck is connected with the thrust bearing through a first bolt assembly, the middle part of the first bolt assembly is penetratingly provided with a ring pad, and two ends of the ring pad are respectively abutted with the thrust bearing and the chuck. The thrust bearing comprises an inner ring, an outer ring, a first roller assembly, a second roller assembly and a third roller assembly, wherein the inner ring comprises a body, a cover body and a plurality of second bolt assemblies, the body is stacked on the cover body and is connected through the plurality of second bolt assemblies, a peripheral surface groove is formed in the body, the inner wall of the outer ring is in rolling connection with the groove bottom of the peripheral surface groove through the second roller assemblies, two side walls are respectively in rolling connection with the side walls of the peripheral surface groove and the side wall of the cover body through the first roller assemblies and the third roller assemblies, a third through hole is formed in the outer ring, the first bolt assemblies are connected with the third through hole in a penetrating mode, second through holes are formed in the body and the cover body in a penetrating mode, and the transmission shaft is connected with the chuck in a penetrating mode. Preferably, the top end of the transmission shaft is fixedly connected with the bottom of the chuck through a connecting seat. Compared with the prior art, the lifting device has the beneficial effects that the crank is rotated to drive the screw rod to rotate in the rotating seat, and the lifting plate is in threaded connection with the screw rod through the nut seat and is in sliding connection with the guide rod through the linear bearing, so that the screw rod rotates to drive the lifting plate to vertically move. The dial indicator is driven to lift through the adjusting bracket, and the surface of the workpiece is detected in the vertical direction. The rotating plate swings left and right relative to the lifting plate through the hinge piece, so that the detection range is enlarged. The motor drives the chuck to rotate, and the chuck clamps the workpiece to rotate together, so t