CN219170320U

CN219170320U - Workpiece alignment device

Info

Publication number: CN219170320U
Application number: CN202222722026.XU
Authority: CN
Inventors: 张传文
Original assignee: Ningbo Yasepar Technology Development Co ltd
Current assignee: Ningbo Yasepar Technology Development Co ltd
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2023-06-13
Anticipated expiration: 2032-10-15

Abstract

The utility model discloses a workpiece alignment device, wherein the bottom of a frame is arranged on a track in a sliding manner, a workbench is arranged at the top of the frame, a lifting mechanism for driving the workbench to lift is arranged in the frame, a telescopic conveying platform is arranged in the middle of the workbench, the telescopic conveying platform and the track are mutually perpendicular, a position alignment mechanism for adjusting the accurate position of a workpiece is arranged in the middle of the front end of the telescopic conveying platform, and a parallelism detector is arranged at one side of the position alignment mechanism; the automatic workpiece parallelism detection device has the advantages that the position alignment mechanism is used for adjusting the accurate position of a workpiece, one side of the position alignment mechanism is provided with the parallelism detector, the parallelism of the workpiece is automatically detected, the position of the workpiece is accurately corrected, the control is easy, and the accuracy is high; the left-right movement of the track ensures that the parallelism detector detects a distance difference value; the telescopic conveying platform and the lifting mechanism ensure that the utility model is suitable for machine tools with different specifications and has wide application range; the labor force is reduced, the product qualification rate is improved, and the labor cost is reduced.

Description

Workpiece alignment device

Technical Field

The utility model relates to the technical field of part machining, in particular to a workpiece alignment device.

Background

At present, the machining of a mould and a non-standard part CNC machining center, a numerical control boring machine, a deep hole drill, an EDM numerical control electric spark forming machine tool and the like is performed by manual work to align the positions of the upper workpiece and the lower workpiece.

At present, the CNC machining center, the numerical control boring machine, the deep hole drill and the EDM numerical control electric spark forming machine for the die and nonstandard parts are heavy in machined workpieces, and the weight of the workpieces reaches hundreds of kilograms or even tens of tons, so that a robot manipulator cannot grasp the workpiece to be machined for machining. Typically, a worker secures a workpiece to be machined to a traveling crane, and then hangs the workpiece to be machined to a machine tool table by the traveling crane. Then, the position of the workpiece is corrected to ensure the machining accuracy. Generally, workers firstly check the parallelism of the die, adjust the die according to the deviation value, and the adjustment of the large die is generally knocked by a heavy iron rod, so that the operation is very difficult. The alignment of the workpiece is manually operated, so that the workpiece is easy to adjust and is not in place, and the uniformity is poor, so that the quality of the workpiece is unstable or the workpiece is misplaced, and the workpiece is scrapped. Machining is highly demanding on personal technology, but the technology of the person is uneven, so that many factories cannot scale up.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the workpiece alignment device capable of realizing automatic correction, and by adopting the alignment device with the structure, the labor force can be reduced, the product percent of pass can be increased, the labor cost can be reduced, the dependence on a craftsman can be reduced, and the expansion and development of a factory can be facilitated.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a work piece alignment device, includes track, frame and workstation, the bottom of frame slide and set up the track on, the top of frame be provided with the workstation, the frame in be provided with the drive the elevating system that the workstation goes up and down, the middle part of workstation be provided with telescopic conveying platform, telescopic conveying platform with track mutually perpendicular set up, telescopic conveying platform's front end middle part be provided with the position alignment mechanism that is used for adjusting work piece accurate position, one side of position alignment mechanism be provided with the depth of parallelism detector.

Further, the position alignment mechanism comprises a first driver, a first transmission assembly and a push-pull rod, wherein the first driver is fixed on the telescopic conveying platform through a mounting frame with an opening on one side, the output end of the first driver is connected with the first transmission assembly, the first transmission assembly is mounted in the mounting frame, one end of the push-pull rod is mounted on the first transmission assembly, and an inductor for inducing the position of a workpiece and a suction block for adsorbing the workpiece to be processed are arranged at the other end of the push-pull rod. In this structure, the combined action of first driver and first drive assembly guarantees that the push-and-pull rod is accurate and has sufficient power to promote or the pulling work piece of waiting to process, reduces the labour, improves adjustment precision and work efficiency.

Further, the suction block is an electromagnetic chuck or a vacuum chuck.

Further, the first transmission assembly comprises a screw rod and a screw rod nut sleeved on the screw rod, a screw rod connector is arranged on the screw rod nut, one end of the push-pull rod is fixed on one side wall of the screw rod connector through an adapter block, a sliding assembly is arranged between the other side wall of the screw rod connector and the mounting frame, and the sliding assembly consists of a guide rail and a sliding block. In this structure, the smooth operation of the push-pull rod is ensured.

Further, the workstation on be provided with a recess that runs through from beginning to end, telescopic conveying platform set up in the recess, the recess in the interval be provided with two bellied guide bars that make progress, telescopic conveying platform on the symmetry be provided with two with guide bar assorted guide way, the guide bar embedding guide way in, telescopic conveying platform's one side or both sides outer wall on be provided with flexible actuating mechanism. In the structure, the telescopic driving mechanism is used for driving the telescopic conveying platform to reciprocate back and forth, so that the alignment mechanism is ensured to realize the operation range of different strokes; the groove and the guide groove play a role in guiding the telescopic conveying platform, and the stability is good.

Further, the telescopic driving mechanism comprises a second driver and a second transmission assembly, the second transmission assembly comprises a rack and a gear, the rack is fixed on the outer wall of one side of the telescopic conveying platform, the gear is mounted on an output shaft of the second driver, the gear is meshed with the rack, and the second driver is a servo motor or a hydraulic motor. In this structure, have simple, easy advantage of realizing.

Further, a first clamping groove and a first convex rib are formed in the outer wall of one side of the guide rod, a second convex rib and a second clamping groove are formed in the inner wall of one side of the guide rod, the first convex rib is matched with the second clamping groove and clamped into the second clamping groove, and the second convex rib is matched with the first clamping groove and clamped into the first clamping groove; the guide rod is characterized in that a third clamping groove and a third convex rib are formed in the outer wall of the other side of the guide rod, a fourth convex rib and a fourth clamping groove are formed in the inner wall of the other side of the guide groove, the third convex rib is matched with the fourth clamping groove and clamped into the fourth clamping groove, and the fourth convex rib is matched with the third clamping groove and clamped into the third clamping groove. In this mechanism, set up first protruding muscle card and go into in the second draw-in groove, in first draw-in groove was gone into to the protruding muscle card of second, in the fourth draw-in groove was gone into to the protruding muscle card of third, such structure in the third draw-in groove was gone into to the protruding muscle card of fourth, prevented telescopic conveying platform skew, played better guide effect.

Further, a caulking groove is formed in the middle of the front end of the telescopic conveying platform, and an electromagnetic suction block is arranged in the caulking groove. In the specific embodiment, the electromagnetic suction block is used for sucking a machine tool workbench, so that the frame is prevented from retreating under the reaction force when the push-pull rod pushes and pulls the workpiece to be processed, and the accuracy is ensured.

Further, the parallelism detector is a contact type parallelism detector, the parallelism detector is provided with a probe, and the probe is a telescopic probe, a laser probe or an infrared probe. In this structure, accurate measurement guarantees to provide accurate data for push-pull rod push-pull stroke.

Further, the lifting mechanism comprises at least one group of oil cylinder assemblies arranged in the frame, each oil cylinder assembly comprises an oil cylinder and a push rod, each oil cylinder is fixed in the frame, one end of each push rod is connected with the corresponding oil cylinder, and the other end of each push rod is connected with the bottom surface of the workbench. In this structure, work on machine tools of different specifications is facilitated.

Compared with the prior art, the workpiece alignment device has the advantages that the workpiece alignment device is disclosed, because the middle part of the front end of the conveying platform is provided with the position alignment mechanism, the position alignment mechanism is used for adjusting the accurate position of a workpiece, one side of the position alignment mechanism is provided with the parallelism detector, the automatic acquisition of the position data of any two points on the same plane surface of any side of the workpiece to be processed is realized, the position of the workpiece is accurately corrected by the position alignment mechanism by judging the difference value in the X-axis or Y-axis directions of the two points, and the position correction is repeatedly realized, so that compared with the traditional manual movement beating, the workpiece alignment device is easier to control and has higher precision; the middle part of the workbench is provided with a telescopic conveying platform, and the frame is internally provided with a lifting mechanism for driving the workbench to lift, so that the utility model is applicable to machine tools with different specifications, and the application range is wide; the utility model can reduce labor force, improve product percent of pass and reduce labor cost, reduce dependence on technicians and is beneficial to expansion and development of factories.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of the structure of the present utility model with the frame removed;

FIG. 3 is a schematic view of a position alignment mechanism according to the present utility model;

FIG. 4 is a schematic diagram of a telescopic conveyor platform according to the present utility model;

FIG. 5 is a schematic view of the guide bar of the present utility model;

fig. 6 is a schematic view of the internal structure of the frame of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

Embodiment one: the utility model provides a work piece alignment device, as shown in fig. 1-3, including track 1, frame 2 and workstation 3, the bottom slip setting of frame 2 is on track 1, the top of frame 2 is provided with workstation 3, be provided with the elevating system 4 that drive workstation 3 goes up and down in the frame 2, the middle part of workstation 3 is provided with telescopic conveying platform 5, telescopic conveying platform 5 and track 1 mutually perpendicular set up, telescopic conveying platform 5's front end middle part is provided with the position alignment mechanism that is used for adjusting the accurate position of work piece, one side of position alignment mechanism is provided with parallelism detector 6. The position alignment mechanism comprises a first driver 7, a first transmission assembly and a push-pull rod 8, wherein the first driver 7 is fixed on the telescopic conveying platform 5 through a mounting frame 9 with an opening at one side, the output end of the first driver 7 is connected with the first transmission assembly, the first transmission assembly is arranged in the mounting frame 9, one end of the push-pull rod 8 is arranged on the first transmission assembly, and an inductor 10 for inducing the position of a workpiece and a suction block 11 for sucking the workpiece to be processed are arranged at the other end of the push-pull rod 8. The suction block 11 is an electromagnetic suction disc or a vacuum suction disc. The first transmission assembly comprises a screw rod 12 and a screw rod nut (not shown in the figure) sleeved on the screw rod 12, a screw rod connector 13 is mounted on the screw rod nut (not shown in the figure), one end of the push-pull rod 8 is fixed on one side wall of the screw rod connector 13 through a transfer block 14, a sliding assembly is arranged between the other side wall of the screw rod connector 13 and the mounting frame 9, and the sliding assembly consists of a guide rail 15 and a sliding block 16.

Embodiment two: other structures are the same as in embodiment one, except that: as shown in fig. 4 and 5, a groove 17 penetrating front and back is formed in the workbench 3, the telescopic conveying platform 5 is arranged in the groove 17, two guide rods 18 protruding upwards are arranged in the groove 17 at intervals, two guide grooves 19 matched with the guide rods 18 are symmetrically formed in the telescopic conveying platform 5, the guide rods 18 are embedded into the guide grooves 19, and telescopic driving mechanisms are arranged on the outer walls of one side or two sides of the telescopic conveying platform 5. The telescopic driving mechanism comprises a second driver 20 and a second transmission assembly, the second transmission assembly comprises a rack 21 and a gear (not shown in the figure), the rack 21 is fixed on the outer wall of the other side of the telescopic conveying platform 5, the gear (not shown in the figure) is installed on an output shaft of the second driver 20, the gear (not shown in the figure) is meshed with the rack 21, the second driver 20 is vertically installed at the front end of the workbench 3, and the second driver 20 is a servo motor or a hydraulic motor. A first clamping groove 22 and a first convex rib 23 are formed in one side wall of the guide rod 18, a second convex rib 24 and a second clamping groove 25 are formed in the inner wall of one side of the guide groove 19, the first convex rib 23 is matched with the second clamping groove 25, the first convex rib 23 is clamped into the second clamping groove 25, the second convex rib 24 is matched with the first clamping groove 22, and the second convex rib 24 is clamped into the first clamping groove 22; the other side wall of the guide rod 18 is provided with a third clamping groove 26 and a third convex rib 27, the inner wall of the other side of the guide groove 19 is provided with a fourth convex rib 28 and a fourth clamping groove 29, the third convex rib 27 is matched with the fourth clamping groove 29, the third convex rib 27 is clamped into the fourth clamping groove 29, the fourth convex rib 28 is matched with the third clamping groove 26, and the fourth convex rib 28 is clamped into the third clamping groove 26. The middle part of the front end of the telescopic conveying platform 5 is provided with a caulking groove 30, and an electromagnetic suction block 31 is arranged in the caulking groove 30.

Embodiment III: other structures are the same as the embodiments, except that: as shown in fig. 6, the parallelism detector 6 is a contact type parallelism detector, the parallelism detector 6 has a probe 32, and the probe 32 is a telescopic probe, a laser probe, or an infrared probe. The lifting mechanism 4 comprises at least one group of oil cylinder assemblies arranged in the frame 2, each oil cylinder assembly comprises an oil cylinder 41 and a push rod 42, the oil cylinder 41 is fixed in the frame 2, one end of each push rod 42 is connected with the oil cylinder 41, and the other end of each push rod 42 is connected with the bottom surface of the workbench 3. The lifting mechanism 4 can also be realized by adopting other lifting components, such as a motor-driven screw rod, a screw rod nut and the like.

Working principle: before a workbench 3 is conveyed to a processing platform of a machine tool through the movement of a frame 2 along a track 1, the telescopic conveying platform 5 is abutted with the processing platform of the machine tool under the action of a telescopic driving mechanism, a coordinate system is established, a parallelism detector 6 collects position data of any two points on the same plane surface of any side of a workpiece to be processed in the machine tool, the difference value in the X-axis or Y-axis direction of the two points is judged, if the difference value does not reach a preset tolerance, the position of the workpiece to be processed is adjusted through a push-pull rod 8, and the steps are repeated until the difference value reaches the preset tolerance range; the telescopic conveyor table 5 is retracted to the initial position.

Claims

1. The utility model provides a work piece alignment device, its characterized in that includes track, frame and workstation, the bottom of frame slide and set up on the track, the top of frame be provided with the workstation, the frame in be provided with the drive the elevating system of workstation lift, the middle part of workstation be provided with telescopic conveying platform, telescopic conveying platform with track mutually perpendicular set up, telescopic conveying platform's front end middle part be provided with the position alignment mechanism that is used for adjusting work piece accurate position, one side of position alignment mechanism be provided with the parallelism detector.

2. The workpiece alignment device according to claim 1, wherein the position alignment mechanism comprises a first driver, a first transmission assembly and a push-pull rod, the first driver is fixed on the telescopic conveying platform through a mounting frame with an opening at one side, the output end of the first driver is connected with the first transmission assembly, the first transmission assembly is mounted in the mounting frame, one end of the push-pull rod is mounted on the first transmission assembly, and an inductor for inducing the position of a workpiece and a suction block for adsorbing the workpiece to be processed are arranged at the other end of the push-pull rod.

3. The workpiece alignment device according to claim 2, wherein the suction block is an electromagnetic chuck or a vacuum chuck.

4. A workpiece alignment device according to claim 2 or 3, wherein the first transmission assembly comprises a screw rod and a screw rod nut sleeved on the screw rod, a screw rod connector is mounted on the screw rod nut, one end of the push-pull rod is fixed on one side wall of the screw rod connector through an adapter, a sliding assembly is arranged between the other side wall of the screw rod connector and the mounting frame, and the sliding assembly consists of a guide rail and a sliding block.

5. The workpiece alignment device according to claim 4, wherein the workbench is provided with a groove penetrating front and back, the telescopic conveying platform is arranged in the groove, two guide rods protruding upwards are arranged in the groove at intervals, two guide grooves matched with the guide rods are symmetrically arranged on the telescopic conveying platform, the guide rods are embedded in the guide grooves, and telescopic driving mechanisms are arranged on the outer walls of one side or two sides of the telescopic conveying platform.

6. The workpiece alignment device of claim 5, wherein the telescopic drive mechanism comprises a second driver and a second transmission assembly, the second transmission assembly comprises a rack and a gear, the rack is fixed on the outer wall of one side of the telescopic conveying platform, the gear is mounted on the output shaft of the second driver, the gear is meshed with the rack, and the second driver is a servo motor or a hydraulic motor.

7. The workpiece alignment device according to claim 6, wherein a first clamping groove and a first protruding rib are formed in an outer wall of one side of the guide rod, a second protruding rib and a second clamping groove are formed in an inner wall of one side of the guide rod, the first protruding rib is matched with the second clamping groove and is clamped into the second clamping groove, and the second protruding rib is matched with the first clamping groove and is clamped into the first clamping groove; the guide rod is characterized in that a third clamping groove and a third convex rib are formed in the outer wall of the other side of the guide rod, a fourth convex rib and a fourth clamping groove are formed in the inner wall of the other side of the guide groove, the third convex rib is matched with the fourth clamping groove and clamped into the fourth clamping groove, and the fourth convex rib is matched with the third clamping groove and clamped into the third clamping groove.

8. The workpiece alignment device according to claim 7, wherein a caulking groove is formed in the middle of the front end of the telescopic conveying platform, and an electromagnetic suction block is arranged in the caulking groove.

9. The workpiece alignment device according to claim 1, wherein the parallelism detector is a contact parallelism detector, the parallelism detector is provided with a probe, and the probe is a telescopic probe, a laser probe or an infrared probe.

10. The workpiece alignment device according to claim 1, wherein the lifting mechanism comprises at least one group of oil cylinder assemblies arranged in the frame, the oil cylinder assemblies comprise oil cylinders and ejector rods, the oil cylinders are fixed in the frame, one ends of the ejector rods are connected with the oil cylinders, and the other ends of the ejector rods are connected with the bottom surface of the workbench.