CN212669092U

CN212669092U - Jacking device

Info

Publication number: CN212669092U
Application number: CN202021543475.2U
Authority: CN
Inventors: 单艾青
Original assignee: Lens Intelligent Robot Changsha Co Ltd
Current assignee: Lens Intelligent Robot Changsha Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-03-09
Anticipated expiration: 2030-07-29

Abstract

The application discloses a jacking device, which comprises an air cylinder, a lower seat transverse plate, a swinging piece and a supporting platform for placing a workpiece to be processed, wherein a cylinder barrel of the air cylinder is fixedly connected with the lower seat transverse plate, and the supporting platform is provided with a sliding groove; the swinging piece is hinged with the lower seat transverse plate through a hinge shaft, the first end of the swinging piece is connected with a piston rod of the air cylinder, and the second end of the swinging piece is in sliding fit with the sliding chute; during the swinging process of the swinging piece around the hinge shaft, the second end of the swinging piece pushes the supporting platform to lift. The application provides a jacking device has compact structure, area is little, stable, the efficient characteristics of action.

Description

Jacking device

Technical Field

The application relates to the technical field of hot welding, more specifically relates to a jacking device.

Background

Traditional climbing mechanism, the piston rod of cylinder is flexible along vertical direction, drives the work piece of placing on climbing mechanism's lower mould and reciprocates, rises to and goes up the mould contact when the work piece, carries out technology processing to the work piece. However, because the gas in the cylinder has compressibility, the lower die and the cylinder below the workpiece form a flexible structure, so that a piston rod of the cylinder generates small displacement when the workpiece is processed, the flexible structure is unstable, and the processing quality of a product is affected.

Currently, in order to obtain a rigid structure, the cylinder is designed in a horizontal direction perpendicular to the running direction of the lower mold. For example, a slope structure is arranged, and a ball or a bearing connected with the upper die slides on the slope to drive the upper die to integrally move up and down. But this way results in a large area occupied by the device as a whole.

In summary, those skilled in the art need to solve the above problems how to provide a jacking device that has a compact structure and avoids forming a flexible structure.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present application is to provide a jacking device, each structure of which is arranged in a vertical direction, so as to effectively reduce a floor area and achieve an effect of compact structure; meanwhile, a rigid structure is adopted, the structure is stable, and the action is efficient.

In order to achieve the above purpose, the present application provides the following technical solutions:

a jacking device comprises an air cylinder, a lower seat transverse plate, a swinging piece and a supporting platform for placing a workpiece to be processed, wherein a cylinder barrel of the air cylinder is fixedly connected with the lower seat transverse plate, and the supporting platform is provided with a sliding chute; the swinging piece comprises a shifting block and an L-shaped connecting rod swinging arm; the shifting block is connected with a piston rod of the air cylinder; the first end of the connecting rod swing arm is connected with the shifting block, the second end of the connecting rod swing arm is in sliding fit with the sliding groove, the middle of the connecting rod swing arm is hinged to the lower seat transverse plate through a hinge shaft, and the connecting rod swing arm winds the swing process of the hinge shaft, and the second end of the connecting rod swing arm pushes the supporting platform to ascend and descend.

Optionally, the supporting platform comprises a lower hot melting head connecting plate and a workpiece processing platform.

Optionally, the supporting platform is fixedly connected with a guide shaft, and a linear bearing sleeved on the periphery of the guide shaft is arranged on the lower seat transverse plate.

Optionally, the jacking device further comprises a spring, one end of the spring is connected with the lower seat transverse plate, and the other end of the spring is connected with the supporting platform.

Optionally, the jacking device further comprises a controller; the supporting platform is provided with an induction sheet, the lower seat transverse plate is provided with a sensor electrically connected with the controller, and the sensor is used for sending an in-place instruction to the controller when the supporting platform moves down to a preset initial position.

Optionally, the lower seat transverse plate is provided with a mounting groove, and the shifting block is attached to the side wall of the mounting groove.

Optionally, a limiting fixing block located above the shifting block is arranged on the lower seat transverse plate, an adjusting bolt used for abutting against the shifting block when the shifting block moves upwards to a preset end position is arranged on the limiting fixing block, and the adjusting bolt is in threaded connection with the limiting fixing block.

Optionally, a piston rod of the cylinder is connected to the shifting block through a floating joint.

Optionally, the swinging member includes two connecting rod swing arms and one shifting block, and the shifting block is located between the two connecting rod swing arms.

Through above-mentioned scheme, the jacking device that this application provided's beneficial effect lies in:

the jacking device comprises a cylinder, a lower seat transverse plate, a shifting block, an L-shaped connecting rod swing arm and a supporting platform; the cylinder barrel of the air cylinder is fixedly connected with the lower seat transverse plate, a piston rod of the air cylinder is connected with the shifting block, a first end of the connecting rod swing arm is connected with the shifting block, a second end of the connecting rod swing arm is in sliding fit with the sliding groove, and the middle of the connecting rod swing arm is hinged with the lower seat transverse plate through a hinged shaft. When the lifting device is used, the piston rod of the air cylinder extends out or retracts, the shifting block can be controlled to lift, the shifting block moves to drive the connecting rod swing arm to swing around the hinge shaft, and the second end of the connecting rod swing arm slides along the sliding groove in the supporting platform to drive the supporting platform to lift.

In the processing process, when a workpiece on the supporting platform is in contact with the upper die, the acting force of the upper die acts on the hinged shaft, and the hinged shaft is used for the piston rod of the cylinder to share pressure, so that the cylinder is prevented from forming a flexible structure due to the compressibility of internal gas. And the cylinder, the lower seat transverse plate and the supporting platform are sequentially distributed from bottom to top, and all parts are arranged in the vertical direction, so that the size of the jacking device is reduced, and the effect of compact structure is realized.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a jacking device according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a swinging member according to an embodiment of the present application;

the reference numerals in fig. 1 to 2 are:

the device comprises a cylinder 1, a floating joint 2, a shifting block 3, a connecting rod swing arm 4, a lower transverse plate 5, a fixed sliding plate 6, a guide shaft 7, a spring 8, a limit fixed block 9, an induction sheet 10, a fixed hanging plate 11, a cylinder support plate 12, a cylinder fixed plate 13, a lower hot melting head connecting plate 14, a sensor 15, a workpiece processing platform 16, a mounting groove 17 and a mounting notch 18.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, the jacking device provided by the present application may include the following components: the device comprises an air cylinder 1, a lower seat transverse plate 5, a supporting platform, a swinging piece, a floating joint 2, a limiting mechanism, a guide mechanism, a spring 8 and an electric control element.

The cylinder 1 includes a cylinder tube and a piston rod that is linearly movable relative to the cylinder tube. Wherein, the cylinder barrel is fixed on the lower seat transverse plate 5, and the piston rod is connected with the first end of the swinging piece. During actual assembly, the cylinder and the lower transverse plate 5 can be fixed through a mechanical structure, for example, the lower transverse plate 5 is fixedly connected with the cylinder support plate 12, the cylinder support plate 12 is fixedly connected with the cylinder fixing plate 13, and the cylinder fixing plate 13 is fixedly connected with the cylinder of the cylinder 1.

The lower seat transverse plate 5 integrally fixes the jacking device on the lower die. During actual assembly, can install fixed link plate 11 on lower seat diaphragm 5, fixed link plate 11 and a fixed knot spare fixed connection fix whole jacking device. During operation, the fixed hanging plate 11 is fixed, so that the lower transverse plate 5, the cylinder support plate 12, the cylinder fixing plate 13 and the cylinder barrel of the cylinder 1 are fixed, and the stability of the jacking device is improved.

The supporting platform is used for placing a workpiece to be processed. The structure of the supporting platform is flexibly selected according to actual requirements, for example, the supporting platform comprises a lower hot melting head connecting plate 14 and a workpiece processing platform 16, and the shape of the workpiece processing platform 16 is set according to the shape of a workpiece to be processed. The lower or side surface of the support platform is provided with a sliding channel, optionally the surface of the sliding channel and/or the surface of the second end of the oscillating piece is provided with a wear resistant coating or treated to increase wear resistance. Optionally, during actual assembly, the sliding groove may be disposed on the fixed sliding plate 6, and the fixed sliding plate 6 is mounted on the lower surface of the lower seat hot melting head connecting plate 14 of the supporting platform.

The swinging piece is provided with a first end, a second end and a middle part, wherein the second end is in sliding fit with the sliding groove, the first end is connected with a piston rod of the cylinder 1, and the middle part is hinged with the lower seat transverse plate 5 through a hinged shaft. The piston rod of the cylinder 1 can control the swinging piece to rotate around the hinge shaft by stretching, so that the acting force of the piston rod of the cylinder 1 on the swinging piece does not pass through the hinge shaft.

In one embodiment, please refer to fig. 2, the swinging member includes a shifting block 3 and a connecting rod swinging arm 4, and the shifting block 3, the connecting rod swinging arm 4 and the lower seat transverse plate 5 form a connecting rod structure; correspondingly, the lower seat cross plate 5 is provided with a mounting groove 17. The shifting block 3 is connected with the piston rod of the cylinder 1, the shifting block 3 is arranged in the middle of the mounting groove 17 and is attached to the side wall of the mounting groove 17, the side wall of the mounting groove 17 can limit the shifting block 3, and the shifting block 3 can only move along the telescopic direction of the piston rod of the cylinder 1. The two sides of the mounting groove 17 are square grooves distributed on the two sides of the shifting block 3. Connecting rod swing arm 4 is L shape, and the first end of connecting rod swing arm 4 is arranged in square groove and is connected with shifting block 3, second end and spout sliding fit, middle part and lower seat diaphragm 5 are articulated, when actual connection, can be at the first end of connecting rod swing arm 4 can with shifting block 3 fixed connection, also can set up installation breach 18 on shifting block 3, and the first end of connecting rod swing arm 4 stretches into in the installation breach 18, realizes the connection of the two.

In another embodiment, the mounting groove 17 can be eliminated from the lower seat cross plate 5. Specifically, on one hand, the connecting rod swing arm 4 can be limited by the hinge shaft, so that the connecting rod swing arm 4 only has one degree of freedom of rotation around the hinge shaft; meanwhile, the connecting rod swing arm 4 is connected with the shifting block 3. On the other hand, a piston rod of the cylinder 1 is connected to the dial 3. Therefore, under the condition that the mounting groove 17 is not arranged, the shifting block 3 can also be limited by the hinge shaft and/or the piston rod of the air cylinder 1, and the effect that the shifting block 3 can only move along the extension direction of the piston rod of the air cylinder 1 is realized.

In another embodiment, the swinging member specifically includes two connecting rod swinging arms 4 and a shifting block 3, and the shifting block 3 is located between the two connecting rod swinging arms 4. Two connecting rod swing arms 4 bilateral symmetry set up, improve the stability that supporting platform removed. Correspondingly, if the fixed sliding plates 6 are arranged, the two fixed sliding plates 6 can be arranged in bilateral symmetry, and the connecting rod swing arms 4 correspond to the fixed sliding plates 6 one by one.

In another embodiment, the swinging piece can also adopt a swinging piece, and three areas on the swinging piece are respectively in sliding fit with the sliding groove, connected with the piston rod of the cylinder 1 and hinged with the lower seat transverse plate 5. More specifically, the swinging piece adopts a triangular swinging piece, a first vertex angle of three vertex angles of the swinging piece is in sliding fit with the sliding groove, a second vertex angle is connected with a piston rod of the air cylinder 1, and a third vertex angle is hinged with the lower seat transverse plate 5.

The floating joint 2 is arranged on a piston rod of the cylinder 1 and is connected with the shifting block 3. The floating joint 2 can swing by 360 degrees, so that the direction and the stress point of a piston rod of the air cylinder 1 are prevented from being out of line when the piston rod extends out, the piston rod is prevented from deforming or the mechanism is prevented from being blocked, and the self-aligning correction function is realized. When actual connection, floating joint 2 and cylinder 1's piston rod, shifting block 3 all pass through the threaded fixation of nut, and two breachs are left with the one end that floating joint 2 is connected to the piston rod for the adjusting nut position, make the user can adjust climbing mechanism's preliminary setting initial position around two breachs symmetry. It will be appreciated that the floating joint 2 may be omitted if the axis of the piston rod of the cylinder 1 is collinear with the direction of movement of the dial 3.

The limiting mechanism is used for controlling the maximum position of the upward movement of the shifting block 3 and comprises a limiting fixed block 9 and an adjusting bolt; the limiting fixing block 9 is fixed on the lower seat transverse plate 5, for example, fixed on the lower seat transverse plate 5 through a screw, and the limiting fixing block 9 is positioned above the shifting block 3; the adjusting bolt is in threaded connection with the limiting fixing block 9. When the shifting block 3 moves upwards to the preset termination position, the adjusting bolt abuts against the shifting block 3, so that the maximum position of the upward movement of the shifting block 3 is limited, namely the preset termination position. Meanwhile, the height of the bottom surface of the adjusting bolt can be changed by adjusting the bolt through the knob, and then the preset termination position is manually changed. It will be appreciated that if the value of the predetermined end position is fixed, no adjustment is required and the stop mechanism may be omitted.

The guide mechanism is used for limiting the supporting platform, so that the supporting platform can move linearly along the telescopic direction of the piston rod of the cylinder 1. Wherein, in one embodiment, the guide mechanism comprises a guide shaft 7 and a linear bearing; the guide shaft 7 is fixed on the support platform, for example, a lower hot-melting head connecting plate 14 of the support platform; the linear bearing is fixed on the lower seat transverse plate 5, and the periphery of the guide shaft 7 is sleeved with the linear bearing. It can be understood that the sliding fit of the sliding groove and the swinging member has a limiting effect, or the jacking device can be provided with other limiting structures to limit the moving direction of the supporting platform, so that the guide mechanism can be omitted.

Spring 8 is used for supplementary supporting platform to descend to predetermineeing initial position, and 8 one end of spring are connected with lower seat diaphragm 5, and the other end is connected with supporting platform, if specifically be connected with supporting platform's lower seat hot melt head connecting plate 14. The spring 8 may be omitted.

The electric control element comprises an induction sheet 10, a sensor 15 and a controller; the induction sheet 10 is arranged on the supporting platform, for example, the induction sheet is specifically arranged at the end part of a lower hot melting head connecting plate 14 of the supporting platform; the sensor 15 is arranged on the lower seat transverse plate 5, the sensor 15 is electrically connected with the controller, and sends an in-place instruction to the controller when the supporting platform moves downwards to a preset initial position. When the device is actually used, the controller can be electrically connected with the driving mechanism of the upper die, and the controller controls the driving mechanism of the upper die to act after receiving the in-place command, so that the upper die is controlled to rotate and operate. It will be appreciated that the electrical control elements may be omitted if it is not necessary to control the movement of the upper moulds via the sensing plate 10 and the sensors 15.

The working process of the jacking device with the structure is as follows:

the cylinder 1 stretches out the piston rod, through the connection of floating joint 2, drives shifting block 3 upward movement, and shifting block 3 drives connecting rod swing arm 4 again and rotates round the articulated shaft to promote supporting platform upward movement. Because of lower seat diaphragm 5 is fixed unchangeable, connecting rod swing arm 4 and shifting block 3, lower seat diaphragm 5 also all is the rigidity piece, connecting rod swing arm 4 and lower seat diaphragm 5 pass through articulated shaft rigid connection, consequently, the connecting rod structure is the rigid structure, connecting rod swing arm 4 also is the rigid structure with the fixed slide 6 that drives, consequently, go up the mould and act on the articulated shaft to the effort of product, the articulated shaft shares the effort for cylinder 1, thereby avoid cylinder 1 to form the flexible construction, the processingquality of guarantee product.

After the process of a work piece is accomplished, the piston rod downstream in the cylinder 1 drives supporting platform downstream through floating joint 2, shifting block 3, connecting rod swing arm 4, and when supporting platform dropped to predetermineeing initial position, the last mould could rotate and carry out the processing of next work piece, played safety protection's effect to avoid destroying whole device. Judge whether supporting platform reachs and predetermine initial position, judge through fixing sensor 15 on lower diaphragm 5, fixed response piece 10 on lower hot melt head connecting plate 14, when supporting platform descends, response piece 10 also descends, only when supporting platform descends to predetermineeing initial position, response piece 10 just can be sensed by sensor 15. When the sensor 15 senses the sensing piece 10, the upper mold starts to rotate by the command of the controller.

It can be seen from the above embodiment that the beneficial effects of the jacking device that this application provided lie in:

each structure of the jacking device is arranged in the vertical direction, so that the occupied volume can be effectively reduced, and the effect of compact structure is achieved; simultaneously, when work piece on the supporting platform contacted with last mould, the effect of going up the mould acted on the articulated shaft, and the articulated shaft was pressure shared for the piston rod of cylinder 1, avoided cylinder 1 to form flexible structure because of the compressibility of inside gas, realized the high-efficient stable effect of action, improved the processingquality of product.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The jacking device provided by the application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims

1. A jacking device is characterized by comprising an air cylinder (1), a lower seat transverse plate (5), a swinging piece and a supporting platform for placing a workpiece to be processed, wherein a cylinder barrel of the air cylinder (1) is fixedly connected with the lower seat transverse plate (5), and the supporting platform is provided with a sliding chute; the swinging piece comprises a shifting block (3) and an L-shaped connecting rod swinging arm (4); the shifting block (3) is connected with a piston rod of the air cylinder (1); the first end of connecting rod swing arm (4) with shifting block (3) are connected, the second end with spout sliding fit, the middle part through the articulated shaft with lower seat diaphragm (5) are articulated connecting rod swing arm (4) wind articulated shaft wobbling in-process, the second end of connecting rod swing arm (4) promotes supporting platform goes up and down.

2. The jacking device of claim 1, further comprising a controller; the supporting platform is provided with an induction sheet (10), a sensor (15) electrically connected with the controller is arranged on the lower transverse plate (5), and the sensor (15) is used for sending an in-place instruction to the controller when the supporting platform moves down to a preset initial position.

3. Jacking device according to claim 1, further comprising a spring (8), wherein one end of the spring (8) is connected to the lower seat cross plate (5) and the other end is connected to the support platform.

4. The jacking device as claimed in claim 1, wherein the supporting platform is fixedly connected with a guide shaft (7), and a linear bearing sleeved on the periphery of the guide shaft (7) is arranged on the lower seat cross plate (5).

5. Jacking device according to claim 1, wherein said support platform comprises a lower seat hot melt head connection plate (14) and a workpiece machining platform (16).

6. Jacking device according to any one of claims 1 to 5, wherein the lower seat cross plate (5) is provided with a mounting groove (17), and the shifting block (3) is attached to the side wall of the mounting groove (17).

7. The jacking device as claimed in claim 6, wherein a limiting fixing block (9) is arranged on the lower seat transverse plate (5) and located above the shifting block (3), an adjusting bolt for abutting against the shifting block (3) when the shifting block (3) moves upwards to a preset termination position is arranged on the limiting fixing block (9), and the adjusting bolt is in threaded connection with the limiting fixing block (9).

8. Jacking device according to claim 6, wherein the piston rod of the cylinder (1) is connected to the pusher (3) by means of a floating joint (2).

9. Jacking device according to claim 6, wherein said oscillating piece comprises two said connecting rod oscillating arms (4) and one said shifting block (3), said shifting block (3) being located between two said connecting rod oscillating arms (4).