CN219275226U

CN219275226U - Workpiece jacking mechanism

Info

Publication number: CN219275226U
Application number: CN202223055644.XU
Authority: CN
Inventors: 王莹
Original assignee: Shenzhen Songhe Intelligent System Co ltd
Current assignee: Shenzhen Songhe Intelligent System Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-06-30
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to a workpiece jacking mechanism which is arranged on a workpiece conveying mechanism and used for fixing a workpiece during workpiece processing, and comprises a base and a lifting assembly arranged on the base, wherein the workpiece conveying mechanism comprises two workpiece conveying rails which are arranged in parallel, the lifting assembly is arranged between the two workpiece conveying rails, the lifting assembly comprises a lifting platform and a lifting cylinder, and when a workpiece to be processed moves to a processing station along with the workpiece conveying rails, the lifting cylinder drives the lifting platform to lift so that the workpiece is separated from the workpiece conveying rails and enters the processing station; after the workpiece is machined, the lifting cylinder drives the lifting platform to descend, the workpiece is placed on the workpiece conveying track again, the workpiece moves to the next station along with the workpiece conveying track, the workpiece is taken and placed without manual intervention, complicated mechanical equipment is not required to be added, the production cost is reduced, and the production efficiency is improved.

Description

Workpiece jacking mechanism

Technical Field

The utility model relates to the technical field of numerical control machine tools, in particular to a workpiece lifting mechanism.

Background

The numerical control machine tool is short for numerical control machine tool, and is an automatic machine tool with a program control system. In the product processing process, some operations which are monotonous and need repeated times are completed manually, so that the efficiency is low, errors are easy to occur, and the numerical control machine tool well solves the processing problems.

In the workpiece processing process using a numerical control machine tool, a workpiece is driven to sequentially pass through a plurality of processing stations through a conveyor belt, so that each processing procedure is sequentially completed. In the processing station, the workpiece needs to be fixed, in the existing numerical control machine tool, a workpiece fixing mechanism is independently arranged, after the workpiece is conveyed to the processing station, the workpiece is taken down from a conveying belt and placed on the workpiece fixing mechanism, after the processing is finished, the workpiece is put back on the conveying belt again, manual intervention is needed, or special equipment is needed to be arranged for taking the workpiece, so that the production cost is increased, and the production efficiency is low.

Disclosure of Invention

In view of the above, it is necessary to provide a work lifting mechanism capable of automatically picking and placing a work from a work conveying mechanism.

The workpiece jacking mechanism is arranged on the workpiece conveying mechanism and used for fixing a workpiece during workpiece machining, and comprises a base and a lifting assembly arranged on the base, wherein the workpiece conveying mechanism comprises two workpiece conveying rails which are arranged in parallel, the lifting assembly is arranged between the two workpiece conveying rails and comprises a lifting platform and a lifting cylinder, a plurality of workpiece supporting pieces with adjustable heights are arranged on the upper surface of the lifting platform, the lifting cylinder drives the lifting platform to ascend and drive the workpiece to be machined to ascend and leave the workpiece conveying rails, and meanwhile, the workpiece supporting pieces support the workpiece to be machined.

Preferably, the lifting assembly further comprises a lifting support, the lifting support is fixedly mounted on the base, a push rod through hole is formed in the center of the lifting support, the lifting cylinder is mounted below the lifting support, a cylinder push rod of the lifting cylinder penetrates through the top cover through hole, and the top end of the cylinder push rod is connected to the center of the lifting platform.

Preferably, four corners of the lifting support are respectively provided with a positioning through hole, four corners of the bottom surface of the lifting platform are respectively provided with a positioning rod, and the positioning rods are arranged in the positioning through holes in a penetrating mode.

Preferably, a positioning sleeve is arranged in the positioning through hole, the positioning sleeve is fixedly installed in the positioning through hole, the length of the positioning sleeve is larger than the height of the positioning through hole, and the inner diameter of the positioning sleeve is consistent with the outer diameter of the positioning rod.

Preferably, the lifting platform is provided with a plurality of mounting through holes, the mounting through holes are provided with internal threads, the workpiece abutting piece is in threaded connection in the mounting through holes, the top end of the workpiece abutting piece is a cone and protrudes out of the upper surface of the lifting platform, and the top surface of the cone of the workpiece abutting piece is a hemispherical surface.

Preferably, the two ends of the base are respectively provided with a mounting bracket, the top end of the mounting bracket is fixedly provided with a workpiece cover plate, the mounting brackets are arranged on the outer side of the lifting assembly, and the workpiece cover plate is arranged above the lifting assembly.

Preferably, the workpiece cover plate adopts a hollowed-out workpiece jig, and the hollowed-out part of the workpiece cover plate is the same as the part to be machined of the workpiece.

Preferably, a gap is formed between the mounting bracket and the workpiece cover plate and between the mounting bracket and the lifting assembly, and the workpiece conveying rail is arranged in the gap in a penetrating manner and is used for conveying the workpiece to be processed to the lifting platform and conveying the processed workpiece to the next station.

Preferably, the device further comprises a stopper, wherein the stopper is arranged on one side of the lifting platform, from which the workpiece flows out, and comprises a movable baffle or a baffle cylinder, the baffle cylinder is arranged below the movable baffle, and the baffle cylinder pushes the movable baffle to lift or drop down so as to prevent the workpiece from moving.

Preferably, the two workpiece conveying tracks are respectively provided with a belt line, and the two belt lines synchronously rotate.

In the workpiece jacking mechanism, the lifting assembly is arranged between the two workpiece conveying rails, and when a workpiece to be machined moves to a machining station along with the workpiece conveying rails, the lifting cylinder drives the lifting platform to lift so that the workpiece is separated from the workpiece conveying rails and enters the machining station; after the workpiece is machined, the lifting cylinder drives the lifting platform to descend, the workpiece is placed on the workpiece conveying track again, the workpiece moves to the next station along with the workpiece conveying track, the workpiece lifting mechanism and the workpiece conveying mechanism independently work, the workpiece is machined without influencing the movement of the workpiece at other positions on the workpiece conveying track, the workpiece is taken and placed without manual intervention, complicated mechanical equipment is not required, the production cost is reduced, and the production efficiency is improved. The product of the utility model has simple structure, easy production, low cost and convenient popularization.

Drawings

Fig. 1 is a schematic structural view of a work lifting mechanism and a work conveying mechanism according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a workpiece lifting mechanism according to an embodiment of the utility model.

Detailed Description

The present utility model will be described in detail with reference to specific embodiments and drawings.

Referring to fig. 1 and 2, a workpiece lifting mechanism 100 provided in an embodiment of the utility model is disposed on a workpiece conveying mechanism 200, and is used for fixing a workpiece during workpiece processing, and includes a base 10 and a lifting assembly 20 disposed on the base 10, wherein the workpiece conveying mechanism 200 includes two workpiece conveying rails 210 disposed in parallel, the lifting assembly 20 is disposed between the two workpiece conveying rails 210, the lifting assembly 20 includes a lifting platform 21 and a lifting cylinder 22, a plurality of height-adjustable workpiece abutting pieces 211 are disposed on an upper surface of the lifting platform 21, and the lifting cylinder 22 drives the lifting platform 21 to lift to drive the workpiece to be processed to lift and leave the workpiece conveying rails 210, and simultaneously, the workpiece abutting pieces 211 abut the workpiece to be processed.

Specifically, the workpiece conveying mechanism 200 is configured to convey a workpiece to be processed, two ends of the workpiece to be processed are placed on two workpiece conveying rails 210, and the two workpiece conveying rails 210 synchronously rotate to drive the workpiece to be processed to sequentially pass through each processing station.

Specifically, the workpiece lifting mechanism is disposed between the two workpiece conveying rails 210, intercepts the passing workpiece, and then returns the workpiece to the workpiece conveying rails 210 after finishing processing, so that the workpiece conveying rails 210 convey the workpiece to be processed to the next station.

Preferably, the lifting assembly 20 further comprises a lifting support 23, the lifting support 23 is fixedly mounted on the base 10, a push rod through hole is formed in the center of the lifting support 23, the lifting cylinder 22 is mounted below the lifting support 23, a cylinder push rod of the lifting cylinder 22 penetrates through the top cover through hole, and the top end of the cylinder push rod is connected to the center of the lifting platform 21. The four corners of the lifting support 23 are respectively provided with a positioning through hole 231, the four corners of the bottom surface of the lifting platform 21 are respectively provided with a positioning rod 232, and the positioning rods 232 are arranged in the positioning through holes 231 in a penetrating mode. The positioning through hole 231 is internally provided with a positioning sleeve 233, the positioning sleeve 233 is fixedly installed in the positioning through hole 231, the length of the positioning sleeve 233 is greater than the height of the positioning through hole 231, and the inner diameter of the positioning sleeve 233 is consistent with the outer diameter of the positioning rod 232.

Specifically, the positioning rod 232 is installed in the positioning sleeve 233, and the length of the positioning sleeve 233 is extended, so that the positioning rod 232 can be prevented from tilting. The positioning rods 232 at four corners of the bottom surface of the lifting platform 21 are simultaneously arranged in the positioning sleeve 233, so as to avoid the lifting platform 21 from tilting when ascending or descending.

Preferably, the lifting platform 21 has a plurality of mounting through holes, the mounting through holes have internal threads, the workpiece abutting piece 211 is in threaded connection in the mounting through holes, the top end of the workpiece abutting piece 211 is a cone and protrudes out of the upper surface of the lifting platform 21, and the top surface of the cone of the workpiece abutting piece 211 is a hemispherical surface.

Specifically, the outer side surface of the workpiece abutting member 211 is provided with external threads, and the height of the workpiece abutting member 211 protruding from the upper surface of the lifting platform 21 can be adjusted through the threads.

Specifically, the number and the height of the workpiece abutting pieces 211 on the lifting platform 21 are set according to the type of the workpiece to be processed.

Specifically, the lifting platform 21 is provided with a plurality of workpiece abutting pieces 211, and each workpiece abutting piece 211 has a space and is adjustable in height. When the workpiece to be machined is abutted with the workpiece abutment 211, at least 3 workpiece abutments 211 which are not on the same straight line are used to adjust the height of the workpiece abutment 211 for abutment against the workpiece to a desired height.

The allowable tight positions on different workpieces to be processed are different, and the tight positions are also different, so that the height of the workpiece tight piece 211 at the corresponding position is adjusted to the height corresponding to the tight position of the workpiece to be processed, and meanwhile, the height of the workpiece tight piece 211 which is not needed to be used is adjusted downwards to the height which does not affect the workpiece to be processed, or is adjusted to be below the upper surface of the lifting platform 21, so that the workpiece to be processed is not damaged.

Preferably, two ends of the base 10 are respectively provided with a mounting bracket 30, a workpiece cover plate 40 is fixedly mounted at the top end of the mounting bracket 30, the mounting bracket 30 is arranged at the outer side of the lifting assembly 20, and the workpiece cover plate 40 is arranged above the lifting assembly 20. The workpiece cover plate 40 adopts a hollowed-out workpiece jig, and the hollowed-out part of the workpiece cover plate 40 is the same as the part to be machined of the workpiece.

Specifically, the workpiece cover 40 has a movable baffle, and the position of the baffle can be locked, so that the workpiece cover 40 exposes only the part to be processed on the workpiece, and other parts are covered to avoid damage.

Specifically, the mounting bracket 30 includes a first mounting bracket and a second mounting bracket, the first mounting bracket and the second mounting bracket are respectively disposed on two sides of the workpiece conveying rail 210, and two ends of the workpiece cover plate 40 are respectively mounted on the first mounting bracket and the second mounting bracket, that is, the workpiece conveying rail 210 is disposed in a frame enclosed by the base 10, the mounting bracket 30 and the workpiece cover plate 40.

Preferably, a gap is formed between the mounting bracket 30 and the workpiece cover plate 40 and the lifting assembly 20, and the workpiece conveying rail 210 is penetrated in the gap, and the workpiece conveying rail 210 is used for conveying the workpiece to be processed to the lifting platform 21, and conveying the processed workpiece to the next station.

Specifically, the lifting mechanism may be sleeved on each processing station of the workpiece conveying rail 210, when the workpiece conveying rail 210 conveys the workpiece to be processed to the processing station, the lifting assembly 20 lifts the workpiece to be processed to the operation position, and then descends to the workpiece conveying rail 210 after the processing is completed, and the workpiece conveying rail 210 conveys the workpiece to the next station, so that the rotation of the workpiece conveying rail 210 does not affect the processing process of the workpiece during the processing, that is, the processing of the workpiece and the rotation of the workpiece conveying rail 210 are separated from each other, and no influence is generated between the workpiece conveying rail and the workpiece conveying rail.

Preferably, the workpiece lifting device further comprises a stopper 50, wherein the stopper 50 is arranged on one side of the lifting platform 21, from which the workpiece flows out, the stopper 50 comprises a movable baffle 51 or a baffle cylinder 52, the baffle cylinder 52 is arranged below the movable baffle 51, and the baffle cylinder 52 pushes the movable baffle 51 to lift or drop down so as to prevent the workpiece from moving.

Specifically, the stopper 50 is used for stopping the workpiece from flowing out of the processing station, when the workpiece reaches the processing station, the movable stopper 51 is lifted to stop the workpiece at the processing station, and the lifting assembly 20 is lifted to enable the workpiece to be processed to enter the operation position; after the machining is completed, the lifting assembly 20 descends, the workpiece is placed on the workpiece conveying rail 210, the movable baffle 51 is put down, and the workpiece moves out of the machining station along with the workpiece conveying rail 210.

Preferably, two workpiece conveying tracks 210 are respectively provided with a belt line, and the two belt lines synchronously rotate.

Specifically, the stopper 50 is lifted to stop the movement of the workpiece to be processed, the lifting cylinder 23 drives the lifting platform 21 to lift the workpiece to be processed, and the workpiece abutting piece 211 abuts the workpiece to be processed to the bottom surface of the workpiece cover plate 40.

After the machining is completed, the lifting cylinder 23 drives the lifting platform 21 to descend, the machined workpiece is placed on a belt line, the stopper 50 descends, and the belt line drives the workpiece to move to the next station.

In the workpiece jacking mechanism 100, the lifting assembly 20 is disposed between two workpiece conveying rails 210, and when a workpiece to be processed moves to a processing station along with the workpiece conveying rails 210, the lifting cylinder 22 drives the lifting platform 21 to lift, so that the workpiece is separated from the workpiece conveying rails 210 and enters the processing station; after the workpiece is processed, the lifting cylinder 22 drives the lifting platform 21 to descend, and the workpiece is placed on the workpiece conveying rail 210 again, so that the workpiece moves to the next station along with the workpiece conveying rail 210, the workpiece lifting mechanism and the workpiece conveying mechanism 200 independently work, the workpiece processing does not affect the movement of the workpiece at other positions on the workpiece conveying rail 210, the workpiece is taken and placed without manual intervention, complicated mechanical equipment is not required, the production cost is reduced, and the production efficiency is improved. The product of the utility model has simple structure, easy production, low cost and convenient popularization.

It should be noted that the present utility model is not limited to the above embodiments, and those skilled in the art can make other changes according to the inventive spirit of the present utility model, and these changes according to the inventive spirit of the present utility model should be included in the scope of the present utility model as claimed.

Claims

1. The workpiece jacking mechanism is arranged on the workpiece conveying mechanism and used for fixing a workpiece during workpiece machining, and is characterized by comprising a base and a lifting assembly arranged on the base, wherein the workpiece conveying mechanism comprises two workpiece conveying rails which are arranged in parallel, the lifting assembly is arranged between the two workpiece conveying rails and comprises a lifting platform and a lifting cylinder, a plurality of workpiece abutting pieces with adjustable heights are arranged on the upper surface of the lifting platform, the lifting cylinder drives the lifting platform to ascend and drive the workpiece to be machined to ascend and leave the workpiece conveying rails, and meanwhile, the workpiece abutting pieces abut against the workpiece to be machined.

2. The workpiece lifting mechanism of claim 1, wherein the lifting assembly further comprises a lifting bracket fixedly mounted on the base, a lifting bracket has a lifting rod through hole in the center, the lifting cylinder is mounted below the lifting bracket, a cylinder lifting rod of the lifting cylinder penetrates through the lifting rod through hole, and the top end of the cylinder lifting rod is connected to the center of the lifting platform.

3. The workpiece lifting mechanism according to claim 2, wherein four corners of the lifting support are respectively provided with a positioning through hole, four corners of the bottom surface of the lifting platform are respectively provided with a positioning rod, and the positioning rods are arranged in the positioning through holes in a penetrating manner.

4. The workpiece jacking mechanism as claimed in claim 3, wherein a positioning sleeve is disposed in the positioning through hole, the positioning sleeve is fixedly mounted in the positioning through hole, the length of the positioning sleeve is greater than the height of the positioning through hole, and the inner diameter of the positioning sleeve is consistent with the outer diameter of the positioning rod.

5. The workpiece lifting mechanism of claim 1, wherein the lifting platform is provided with a plurality of mounting through holes, the mounting through holes are provided with internal threads, the workpiece abutting pieces are connected in the mounting through holes in a threaded mode, the top ends of the workpiece abutting pieces are cone-shaped and protrude out of the upper surface of the lifting platform, and the top surfaces of the cone-shaped workpiece abutting pieces are hemispherical.

6. The workpiece lifting mechanism of claim 1, wherein two ends of the base are respectively provided with a mounting bracket, a workpiece cover plate is fixedly mounted at the top end of the mounting bracket, the mounting bracket is arranged on the outer side of the lifting assembly, and the workpiece cover plate is arranged above the lifting assembly.

7. The workpiece lifting mechanism of claim 6, wherein the workpiece cover plate adopts a hollowed-out workpiece jig, and the hollowed-out part of the workpiece cover plate is identical to the part to be machined of the workpiece.

8. The workpiece lifting mechanism of claim 6, wherein a gap is formed between the mounting bracket and the workpiece cover plate and the lifting assembly, and the workpiece conveying rail is penetrated in the gap and is used for conveying a workpiece to be processed to the lifting platform and conveying the processed workpiece to a next station.

9. The workpiece lifting mechanism as recited in claim 1, further comprising a blocker disposed on a side of the lift platform from which the workpiece flows, the blocker including a movable stop or a stop cylinder disposed below the movable stop, the stop cylinder pushing the movable stop to raise or lower to prevent movement of the workpiece.

10. The workpiece lifting mechanism according to claim 1, wherein two of the workpiece conveying rails are respectively provided with a belt line, and the two belt lines rotate synchronously.