CN220783850U - Workpiece overturning mechanism - Google Patents

Abstract

The utility model relates to a workpiece turnover mechanism, which comprises a workbench, wherein four supporting feet are fixed on the lower surface of the workbench, a turnover mechanism for adjusting a workpiece machining surface is arranged in the workbench, two fixing seats are fixed on the upper surface of the turnover mechanism, fixing boxes are fixed on one side of the two fixing seats opposite to each other, and air cylinders are fixed on the inner cavity walls of one side of the two opposite fixing boxes. This work piece tilting mechanism, tilting mechanism makes the work piece rise through the cooperation of driving box, first electric putter, elevating platform and linkage board keep away from the workstation to make it can carry out rotary motion, then drive the work piece through the cooperation of supporting box, driving motor, rubber slab and locating plate and rotate, thereby change the machined surface of work piece, and support the locating plate rotatory under the cooperation of cylinder, spliced pole, backup pad and connecting plate, avoid driving motor output shaft atress too big bending.

Description

Workpiece overturning mechanism

Technical Field

The utility model relates to the technical field of clamps, in particular to a workpiece overturning mechanism.

Background

In the field of automation, developed countries such as japan, europe, united states and the like are advanced, the automation development of china is striving to catch up, in particular, in recent two years, the automation of china is developing greatly, various robots and industrial automation are developing rapidly, in the automobile manufacturing industry, the degree of automation is relatively high, but there is a lot of development room, and in the future, the manual labor of replacing people with automation and robots is a necessary trend, and china is also pushing the automation process greatly.

The utility model discloses an example Chinese patent CN216000054U, which belongs to the field of pneumatic clamps, in particular to a pneumatic clamp with strong flexibility, comprising a bottom rod, a rotating rod, a supporting block, a pneumatic push rod, a clamping block, a rotating cylinder, a rotating pin, a magnetic ring, an arc rack, a first spring, an adjusting bolt, a limiting hole, a cylinder, a T-shaped square rod, a gear, an arc rack, a second spring, a round rod, a conical block, a third spring, a fixed block, a T-shaped round rod, a fourth spring and a magnetic block; the rotating cylinder is rotated around the rotating pin, the rotating cylinder rotates to drive the clamping block to move, then the position of a workpiece is adjusted, the adjusting bolt moves along the threaded hole, the adjusting bolt moves to drive the arc-shaped magnetic strip to move and attach to the magnetic ring in an adsorption mode, then the position of the rotating cylinder is fixed, the purpose of fixing the position of the workpiece is achieved, the gear rotates to extrude the arc-shaped rack, the arc-shaped rack moves to extrude the second spring, and when the arc-shaped rack is aligned with the gear, the arc-shaped rack moves and is meshed with the gear under the action of the elastic force of the second spring, and then the position of the rotating rod is fixed.

The above patent still has certain defect, fixes the work piece through starting pneumatic clamp, but only can process upper surface and side of work piece through the lathe after the work piece is fixed, can't accomplish the processing to the bottom surface, and the workman need be to the work piece when needing to process the bottom surface again fixed and lead to work efficiency to descend, and secondary centre gripping work piece clamp can cause the secondary loss to it simultaneously.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the clamp with strong flexibility, has the advantages of automatically rotating and adjusting the machined surface and the like, and solves the problem that the work efficiency is reduced because a worker needs to re-fix a workpiece when the bottom surface needs to be machined.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the workpiece overturning mechanism comprises a workbench, wherein four supporting feet are fixed on the lower surface of the workbench, a turnover mechanism for adjusting a workpiece machining surface is arranged in the workbench, two fixing seats are fixed on the upper surface of the turnover mechanism, a fixing box is fixed on one side of each of the two opposite fixing seats, an air cylinder is fixed on the inner cavity wall of one side of each of the two opposite fixing boxes, and a limiting mechanism for limiting is arranged on the upper surface of the workbench;

the turnover mechanism comprises two linkage plates which are in sliding connection with the inside of the workbench, the lower surface of the linkage plates is fixedly provided with a lifting table, the lower surface of the lifting table is fixedly provided with a driving box, the top wall of an inner cavity of the driving box is fixedly provided with a first electric push rod, the output shaft of the first electric push rod is fixedly arranged in the workbench, the outer sides of two cylinder output shafts are fixedly provided with supporting boxes, the left side of the inner cavities of the supporting boxes are fixedly provided with driving motors, the right side of the inner cavities of the supporting boxes are rotatably connected with rotating shafts, the outer sides of the output shafts of the driving motors and the left ends of the rotating shafts are fixedly provided with positioning plates, and one sides, opposite to the positioning plates, of the two positioning plates are fixedly provided with rubber plates.

Further, turn-over mechanism still includes two connecting plates of fixing in the locating plate one side that is close to the fixing base, two the opposite one side of connecting plate all is fixed with the backup pad, rotate between backup pad and the opposite one side of locating plate and be connected with the rotation post, the outside of rotation post is fixed with the cylinder of laminating in the supporting box outside.

Further, the turning mechanism is symmetrical to each other with the central axis of the workbench as a symmetry line, a lifting hole for the linkage plate to penetrate is formed in the upper surface of the workbench, and the linkage plate is in clearance fit with the workbench through the lifting hole.

Further, a first mounting groove is formed in one side, opposite to the positioning plate, of the supporting plate, a first bearing is fixed in the first mounting groove, and the rotating column is fixed in the first bearing.

Further, the shape of supporting box is inside cavity and keep away from the cuboid that one side of fixing base was absent, the shape of driving box is inside cavity and the cuboid that the upper surface was absent.

Further, the limiting mechanism comprises two connecting seats fixed on the upper surface of the workbench, a second electric push rod positioned inside the connecting seats is fixed on the upper surface of the workbench, a movable plate is fixed on the outer side of an output shaft of the second electric push rod, two positioning blocks inserted into the supporting box are arranged on the upper surface of the movable plate, a limiting rod which is slidably connected inside the connecting seats is fixed on the lower surface of the movable plate, and a limiting block which is slidably connected inside the connecting seats is fixed on the bottom end of the limiting rod.

Further, the upper surface of connecting seat has offered the spacing hole that supplies the gag lever post to run through, and the gag lever post passes through spacing hole and connecting seat clearance fit.

Further, the limiting groove for limiting block sliding connection is formed in the connecting seat, and the positioning groove for inserting the positioning block is formed in the lower surface of the supporting box.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this work piece tilting mechanism, tilting mechanism makes the work piece rise through the cooperation of driving box, first electric putter, elevating platform and linkage board keep away from the workstation to make it can carry out rotary motion, then drive the work piece through the cooperation of supporting box, driving motor, rubber slab and locating plate and rotate, thereby change the machined surface of work piece, and support the locating plate rotatory under the cooperation of cylinder, spliced pole, backup pad and connecting plate, avoid driving motor output shaft atress too big bending.

2. This work piece tilting mechanism is through the removal of connecting seat, second electric putter, stopper, gag lever post, fly leaf and cooperation restriction anchor clamps of locating piece under restriction mechanism's effect to avoided the workman manually when operating on the workstation because of equipment mistake start lead to the workman to be pressed from both sides the possibility of damaging by anchor clamps, and then improved the safety that equipment was used.

Drawings

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

FIG. 2 is a schematic diagram of a turn-over mechanism according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;

FIG. 4 is a schematic view of a limiting mechanism according to the present utility model.

In the figure: the device comprises a turning mechanism 1, a driving box 101, a first electric push rod 102, a lifting platform 103, a linkage plate 104, a supporting box 105, a driving motor 106, a rubber plate 107, a positioning plate 108, a rotating shaft 109, a rotating column 110, a supporting plate 111, a connecting plate 112, a roller 113, supporting legs 2, a cylinder 3, a limiting mechanism 4, a connecting seat 401, a second electric push rod 402, a limiting block 403, a limiting rod 404, a movable plate 405, a positioning block 406, a fixed seat 5, a fixed box 6 and a workbench 7.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a workpiece turnover mechanism in this embodiment includes a workbench 7, four supporting feet 2 are fixed on the lower surface of the workbench 7, a turnover mechanism 1 for adjusting a workpiece processing surface is disposed in the workbench 7, two fixing bases 5 are fixed on the upper surface of the turnover mechanism 1, fixing boxes 6 are fixed on opposite sides of the two fixing bases 5, air cylinders 3 are fixed on inner cavity walls of opposite sides of the two fixing boxes 6, a limiting mechanism 4 for limiting is disposed on the upper surface of the workbench 7, electrical elements appearing in the turnover mechanism are electrically connected with a main controller and a power supply, the main controller can be conventional known equipment for controlling a computer and the like, and the conventional disclosed power connection technology is not repeated in this document, the device is electrified by connecting an industrial power interface, and the whole device is controlled by a PLC system to operate according to expectations.

Referring to fig. 2-3, in order to turn over the workpiece processing surface, the turn-over mechanism 1 in this embodiment includes two linkage plates 104 slidingly connected inside the workbench 7, a lifting table 103 is fixed on the lower surface of the linkage plates 104, a driving box 101 is fixed on the lower surface of the lifting table 103, a first electric push rod 102 is fixed on the top wall of the inner cavity of the driving box 101, an output shaft of the first electric push rod 102 is fixed inside the workbench 7, support boxes 105 are fixed on the outer sides of the output shafts of the two cylinders 3, a driving motor 106 is fixed on the left side wall of the inner cavity of the left side support box 105, a rotating shaft 109 is rotatably connected on the right side wall of the inner cavity of the right side support box 105, a second mounting groove is formed on the right side wall of the inner cavity of the right side support box 105, a second mounting groove is internally fixed with a second bearing 109, a positioning plate 108 is fixed inside the second bearing 109, rubber plates 107 are fixed on the outer sides of the output shaft of the driving motor 106 and the left ends of the rotating shaft 109, the opposite sides of the two positioning plates 108 are fixed on the rubber plates 107, the first electric push rod 102 drives the lifting table 103 to move upwards through the output shaft, and drives the two linkage plates 103 to move upwards, and drive the two positioning plates 104 to move upwards through the two positioning plates 104, and drive two positioning plates 104 to turn over the two workpiece fixing seats 5 to move upwards together, and avoid the workpiece fixing seats 5 to turn over together.

The turning mechanism 1 uses the central axis of the workbench 7 as the symmetry line to be symmetric left and right, the lifting hole for the linkage plate 104 to penetrate is formed on the upper surface of the workbench 7, the linkage plate 104 is in clearance fit with the workbench 7 through the lifting hole, the shape of the supporting box 105 is a cuboid with hollow inside and missing one side far away from the fixed seat 5, and the shape of the driving box 101 is a cuboid with hollow inside and missing upper surface.

The turn-over mechanism 1 further comprises two connecting plates 112 fixed on one side of the positioning plate 108, which is close to the fixed seat 5, wherein the supporting plates 111 are fixed on the opposite sides of the two connecting plates 112, a rotating column 110 is rotatably connected between the supporting plates 111 and the opposite sides of the positioning plate 108, a roller 113 attached to the outer side of the supporting box 105 is fixed on the outer side of the rotating column 110, a first mounting groove is formed in one side of the supporting plates 111, which is opposite to the positioning plate 108, a first bearing is fixed in the first mounting groove, the rotating column 110 is fixed in the first bearing, and the driving motor 106 rotates together with the positioning plate 108 through an output shaft rubber plate 107, so that a workpiece is driven to rotate until the workpiece rotates to a surface to be processed.

It can be seen that the turn-over mechanism 1 lifts the workpiece away from the table 7 by the cooperation of the driving box 101, the first electric push rod 102, the lifting table 103 and the linkage plate 104, thereby making it possible to perform a rotational movement, and then drives the workpiece to rotate by the cooperation of the supporting box 105, the driving motor 106, the rubber plate 107 and the positioning plate 108, thereby changing the machined surface of the workpiece.

Referring to fig. 4, in order to prevent the equipment from starting to turn over the workpiece by mistake during the workpiece processing, the limiting mechanism 4 in this embodiment includes two connection seats 401 fixed on the upper surface of the workbench 7, a rubber pad is fixed on the upper surface of the connection seat 401, a second electric push rod 402 located inside the connection seat 401 is fixed on the upper surface of the workbench 7, a movable plate 405 is fixed on the outer side of the output shaft of the second electric push rod 402, two positioning blocks 406 inserted into the supporting box 105 are defined on the upper surface of the movable plate 405, a limiting rod 404 slidably connected inside the connection seat 401 is fixed on the lower surface of the movable plate 405, and a limiting block 403 slidably connected inside the connection seat 401 is fixed on the bottom end of the limiting rod 404.

The second electric push rod 402 drives the movable plate 405 to move downwards through the output shaft, and drives the two positioning blocks 406 to move downwards through the movable plate 405 and separate from the supporting box 105, so that the restriction on the turnover mechanism 1 is released.

The upper surface of the connecting seat 401 is provided with a limiting hole for the limiting rod 404 to penetrate, the limiting rod 404 is in clearance fit with the connecting seat 401 through the limiting hole, the inside of the connecting seat 401 is provided with a limiting groove for the limiting block 403 to be connected in a sliding way, the lower surface of the supporting box 105 is provided with a positioning groove for the positioning block 406 to be inserted, the control mode of the device is controlled by a controller, a control circuit of the controller can be realized through simple programming of a person skilled in the art, the supply of a power supply also belongs to common knowledge in the art, and the device is mainly used for protecting a mechanical device, so the device does not explain the control mode and circuit connection in detail.

So the limiting mechanism 4 limits the movement of the clamp through the cooperation of the connecting seat 401, the second electric push rod 402, the limiting block 403, the limiting rod 404, the movable plate 405 and the positioning block 406, thereby avoiding the possibility that the worker is clamped by the clamp due to the false start of the equipment when the worker manually operates on the workbench 7, and further improving the use safety of the equipment.

The working principle of the embodiment is as follows:

(1) When the machined surface of the workpiece is turned over, the limiting mechanism 4 is firstly started to remove the limitation, then the first electric push rod 102 is started, the first electric push rod 102 drives the lifting table 103 to move upwards through the output shaft, drives the two linkage plates 104 to move upwards through the lifting table 103, and drives the two fixing seats 5 to move upwards through the two linkage plates 104 respectively, when the lifting table 103 is attached to the lower surface of the workbench 7, the driving motor 106 is started, the driving motor 106 rotates through the rubber plate 107 of the output shaft and the positioning plate 108, so that the workpiece is driven to rotate, the driving motor 106 is closed after the workpiece rotates to the surface to be machined, the turning mechanism 1 lifts the workpiece away from the workbench 7 through the cooperation of the driving box 101, the first electric push rod 102, the lifting table 103 and the linkage plates 104, so that the workpiece can rotate, and then the workpiece is driven to rotate through the cooperation of the supporting box 105, the driving motor 106, the rubber plate 107 and the positioning plate 108, so that the machined surface of the workpiece is changed, and the supporting of the positioning plate 108 is carried out under the cooperation of the roller 113, the rotating column 110, the supporting plate 111 and the connecting plate 112, and the output shaft of the driving motor 106 is prevented from bending greatly.

(2) When a workpiece needs to be turned over, the second electric push rod 402 is started firstly, the second electric push rod 402 drives the movable plate 405 to move downwards through the output shaft, and drives the two positioning blocks 406 to move downwards through the movable plate 405 and separate from the supporting box 105, the limiting block 403 and the limiting rod 404 move downwards along with the movable plate 405, when the limiting block 403 slides to the bottom wall of the inner cavity of the limiting groove, the limiting block 403 is closed, at the moment, the limitation of the turning mechanism 1 is relieved, the limiting mechanism 4 limits the movement of the clamp through the cooperation of the connecting seat 401, the second electric push rod 402, the limiting block 403, the limiting rod 404, the movable plate 405 and the positioning blocks 406, so that the possibility that a worker is clamped by the clamp due to the mistaken starting of the equipment when the worker manually operates on the workbench 7 is avoided, and the use safety of the equipment is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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, modifications, substitutions and alterations can be made hereto without departing from the spirit and principles of the present utility model.

Claims (8)

1. Work piece tilting mechanism, including workstation (7), its characterized in that: four supporting legs (2) are fixed on the lower surface of the workbench (7), a turnover mechanism (1) for adjusting a workpiece machining surface is arranged in the workbench (7), two fixing seats (5) are fixed on the upper surface of the turnover mechanism (1), fixing boxes (6) are fixed on one sides of the two fixing seats (5) opposite to each other, air cylinders (3) are fixed on inner cavity walls of one side of the two fixing boxes (6) opposite to each other, and a limiting mechanism (4) for limiting is arranged on the upper surface of the workbench (7);

the turnover mechanism (1) comprises two linkage plates (104) which are connected inside a workbench (7) in a sliding mode, a lifting table (103) is fixed on the lower surface of the linkage plates (104), a driving box (101) is fixed on the lower surface of the lifting table (103), a first electric push rod (102) is fixed on the top wall of an inner cavity of the driving box (101), an output shaft of the first electric push rod (102) is fixed inside the workbench (7), supporting boxes (105) are fixed on the outer sides of output shafts of two air cylinders (3), driving motors (106) are fixed on the left side of the inner cavity of the supporting boxes (105), rotating shafts (109) are connected on the right side of the inner cavity of the supporting boxes (105), positioning plates (108) are fixed on the outer sides of the output shafts of the driving motors (106) and the left ends of the rotating shafts (109), and rubber plates (107) are fixed on opposite sides of the two positioning plates (108).

2. A workpiece tilting mechanism according to claim 1, wherein: the turnover mechanism (1) further comprises two connecting plates (112) fixed on one side, close to the fixed seat (5), of the positioning plate (108), supporting plates (111) are fixed on opposite sides of the two connecting plates (112), rotating columns (110) are connected between the supporting plates (111) and the opposite sides of the positioning plate (108) in a rotating mode, and rollers (113) attached to the outer sides of the supporting boxes (105) are fixed on the outer sides of the rotating columns (110).

3. A workpiece tilting mechanism according to claim 1, wherein: the turnover mechanism (1) is symmetrical to each other by taking the central axis of the workbench (7) as a symmetry line, a lifting hole for the linkage plate (104) to penetrate is formed in the upper surface of the workbench (7), and the linkage plate (104) is in clearance fit with the workbench (7) through the lifting hole.

4. A workpiece tilting mechanism according to claim 2, wherein: the support plate (111) has all been seted up first mounting groove with locating plate (108) opposite one side, the inside of first mounting groove is fixed with first bearing, rotation post (110) are fixed in the inside of first bearing.

5. A workpiece tilting mechanism according to claim 1, wherein: the shape of supporting box (105) is inside cavity and keep away from the cuboid that one side of fixing base (5) lacks, the shape of driving case (101) is inside cavity and the cuboid that upper surface lacks.

6. A workpiece tilting mechanism according to claim 1, wherein: the limiting mechanism (4) comprises two connecting seats (401) fixed on the upper surface of the workbench (7), a second electric push rod (402) positioned inside the connecting seats (401) is fixed on the upper surface of the workbench (7), a movable plate (405) is fixed on the outer side of an output shaft of the second electric push rod (402), two positioning blocks (406) inserted inside the supporting box (105) are specified on the upper surface of the movable plate (405), a limiting rod (404) in sliding connection with the inside of the connecting seats (401) is fixed on the lower surface of the movable plate (405), and a limiting block (403) in sliding connection with the inside of the connecting seats (401) is fixed on the bottom end of the limiting rod (404).

7. A workpiece tilting mechanism according to claim 6, wherein: the upper surface of connection seat (401) has offered the spacing hole that supplies gag lever post (404) to run through, and gag lever post (404) pass through spacing hole and connection seat (401) clearance fit.

8. A workpiece tilting mechanism according to claim 6, wherein: the inside of connecting seat (401) is offered and is supplied spacing groove of stopper (403) sliding connection, the constant head tank that supplies locating piece (406) grafting is offered to the lower surface of supporting box (105).