CN112192525A

CN112192525A - Telescopic workbench

Info

Publication number: CN112192525A
Application number: CN202011102474.9A
Authority: CN
Inventors: 安春林
Original assignee: Rizhao Xingye Auto Parts Co ltd
Current assignee: Rizhao Xingye Auto Parts Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-01-08

Abstract

The invention discloses a telescopic workbench, which relates to the technical field of workbenches and comprises a fixed seat, wherein two translation tables which move in opposite directions or in opposite directions are installed on the fixed seat; a first storage cavity is arranged in the fixing seat, a lifting table is arranged in the first storage cavity, and a second driving mechanism for driving the lifting table to vertically move is arranged in the first storage cavity. The invention solves the technical problem of low production efficiency caused by production procedure change in the prior art. The invention improves the efficiency of procedure conversion, reduces the influence on the processing accuracy in the technical improvement process, and has the advantage of quick and convenient adjustment.

Description

Telescopic workbench

Technical Field

The invention relates to the technical field of workbenches, in particular to a telescopic workbench.

Background

In the process of processing a workpiece, it is frequently necessary to temporarily add a step between two steps, for example, to temporarily add a detection step between two processing steps, and it is generally necessary to prepare a certain space between the tables of the two processing steps, to mount a new table between the tables of the two processing steps, and then to mount a mechanism for detection on the new table, which has the following problems:

1. frequent process changes lead to a large amount of manpower input to the disassembly and assembly of the workbench, the production efficiency is seriously influenced, and the cost of production, operation and maintenance technical improvement is improved;

2. the position adjustment of the worktable in the processing procedure easily affects the processing accuracy and directly affects the processing quality.

Disclosure of Invention

Aiming at the defects, the invention aims to provide a telescopic workbench and aims to solve the technical problem of low production efficiency caused by production procedure change in the prior art.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a telescopic workbench comprises a fixed seat, wherein two translation tables which move in opposite directions or in opposite directions are mounted on the fixed seat, the bottoms of the two ends of each translation table are fixedly connected with a first supporting block and a second supporting block respectively, the first supporting block is connected to the fixed seat in a sliding manner, the bottom of the second supporting block is provided with a supporting wheel, and a first driving mechanism for driving the translation tables to move horizontally is mounted on each translation table; a first storage cavity is arranged in the fixing seat, a lifting table is arranged in the first storage cavity, and a second driving mechanism for driving the lifting table to vertically move is arranged in the first storage cavity.

The first driving mechanism comprises a first guide rod fixedly installed between a first supporting block and a second supporting block and a screw rod rotatably installed between the first supporting block and the second supporting block, a first through hole and a second through hole are formed in the end portion of the fixing seat, a ball nut is fixed in the first through hole, the screw rod is connected with the ball nut in a matched mode, a sliding sleeve is arranged in the second through hole, the guide rod is connected with the sliding sleeve in a matched mode, and a power assembly driving the screw rod to rotate is installed on the second supporting block.

The second driving mechanism comprises a hydraulic cylinder installed in the first accommodating cavity, a driving shaft of the hydraulic cylinder is fixedly connected to the bottom surface of the lifting platform, a second guide rod is further installed on the bottom surface of the lifting platform, a supporting column is installed in the first accommodating cavity, and a sliding hole matched with the second guide rod in an inserting mode is formed in the supporting column.

Wherein, the both sides of elevating platform all are equipped with the second and accomodate the chamber, and the intracavity is accomodate to the second articulates there is the side turn-over table, and the side turn-over table can swing business turn over second and accomodate the chamber.

The upper end surface of the side overturning platform is flush with the platform surface of the lifting platform when the side overturning platform swings to the highest position; the upper end surface of the side overturning platform is flush with the side surface of the lifting platform when the side overturning platform swings downwards to the lowest position.

Wherein, the platform of turning on one's side rotates to be connected in the second through the pivot and accomodates the intracavity, the axial direction of pivot is unanimous with the moving direction of translation platform, it accomodates the chamber to be equipped with the third in the platform of turning on one's side, the second is accomodate and is equipped with the first opening that feeds through the two between the chamber and the third is accomodate, the inboard rigid coupling of platform of turning on one's side has the pendulum piece, the intracavity is accomodate to the third and installs the mounting bracket, install sharp actuating mechanism on the mounting bracket, install the installation piece on sharp actuating mechanism's the drive.

Wherein, the bottom surface of translation platform is installed and is rolled the first running roller that presses on the fixing base top surface.

Wherein, the second running roller that rolls and press on the translation platform bottom surface is installed at the terminal surface top of fixing base.

The supporting wheel comprises a wheel frame and a wheel body arranged on the wheel frame, at least two third guide rods are vertically and fixedly connected to the top surface of the wheel frame, the third guide rods are connected to the second supporting block in a sliding mode, compression springs are sleeved on the third guide rods, and the compression springs are elastically supported between the second supporting block and the wheel frame.

And the second supporting block is screwed with a locking bolt which is used for being screwed on the top surface of the wheel carrier.

After the technical scheme is adopted, the invention has the beneficial effects that:

the telescopic workbench comprises a fixed seat, two translation tables which move oppositely or reversely are arranged on the fixed seat, the bottoms of the two ends of each translation table are fixedly connected with a first supporting block and a second supporting block respectively, the first supporting block is connected to the fixed seat in a sliding manner, the bottom of the second supporting block is provided with a supporting wheel, and a first driving mechanism for driving the translation tables to move horizontally is arranged on each translation table; a first storage cavity is arranged in the fixing seat, a lifting table is arranged in the first storage cavity, and a second driving mechanism for driving the lifting table to vertically move is arranged in the first storage cavity. The two translation tables are respectively provided with a first working procedure and a second working procedure; the first driving mechanism drives the two translation tables to move towards the direction far away from the fixed seat until the second opening of the first containing cavity is completely exposed, the second driving mechanism drives the lifting table to ascend until the table top of the second lifting table is flush with the table top of the translation tables, the first driving mechanism drives the two translation tables to move relatively, the two translation tables move oppositely until the opposite ends of the two translation tables are attached to the corresponding ends of the lifting table, and the total working table top of the working table comprises the table top of the two translation tables and the table top of one lifting table. The elevating platform is used for setting up the third process, arranges the third process between first process and the second process, realizes that high efficiency's process is arranged, has improved production efficiency.

Because the both sides of elevating platform all are equipped with the second and accomodate the chamber, the intracavity is accomodate to the second articulates there is the side turn-over table, and the side turn-over table can swing business turn over second and accomodate the chamber. The lifting platform is lifted to a position higher than the translation platform, so that the side overturning platform can be pressed on the second opening after swinging from the second containing cavity, and then the lifting platform is lowered to a position where the lifting platform is flush with the translation platform. The lifting platform can be ensured to completely cover the second opening through the side overturning platform, and the side overturning platform can also form a support for the lifting platform, so that the stability of the lifting platform after being lifted out is further improved.

The upper end surface of the side overturning platform is flush with the table top of the lifting platform when the side overturning platform is swung to the highest position, so that the upper end surface of the side overturning platform and the table top of the lifting platform are combined into a complete table top structure, and the smoothness of the total table top is ensured; the upper end face of the side overturning platform is flush with the side face of the lifting platform when the side overturning platform swings downwards to the lowest position, so that the side overturning platform can be completely accommodated in the second accommodating cavity after swinging downwards.

Because the side-turn table rotates through the pivot to be connected in the second and accomodates the intracavity, the axial direction of pivot is unanimous with the moving direction of translation platform, it accomodates the chamber to be equipped with the third in the side-turn table, the second is accomodate and is equipped with the first opening that feeds through the two between the chamber and the third is accomodate, the inboard rigid coupling of side-turn table has the pendulum piece, the intracavity is accomodate to the third and installs the mounting bracket, install sharp actuating mechanism on the mounting bracket, install the installation piece on sharp actuating mechanism's the drive end, it has the connecting rod to articulate between pendulum piece and. The linear driving mechanism is an air cylinder or an electric push rod, the driving end of the linear driving mechanism is provided with an installation block, and two ends of the connecting rod are respectively connected with the swing block and the installation block in a rotating mode through a connecting shaft, so that the linear driving mechanism drives the installation block to lift, the swing block is driven to swing through the connecting rod, synchronous swing of the side overturning platform is achieved, and the side overturning platform can rapidly enter and exit in the second storage cavity; in the present embodiment, two swing mechanisms are provided at intervals along the longitudinal direction of the side turn table, and the two swing mechanisms operate in synchronization.

Because first running roller is installed to the bottom surface of translation platform, first running roller rolls and presses on the fixing base top surface, and the second running roller is installed at the terminal surface top of fixing base, and the second running roller rolls and presses on the translation platform bottom surface. The first roller and the second roller are synchronously supported in a rolling mode to achieve the smoothness and the stability of the movement of the translation table along the fixed seat.

Because the supporting wheel includes the wheel carrier and installs the wheel body on the wheel carrier, the perpendicular rigid coupling of top surface of wheel carrier has two at least third guide bars, third guide bar sliding connection is on the second supporting shoe, compression spring has cup jointed on the third guide bar, compression spring elastic support is between second supporting shoe and wheel carrier, it can reciprocate to realize the supporting wheel through the slip of third guide bar in the through-hole, and exert a decurrent elastic support power for the supporting wheel through compression spring, make the supporting wheel have elastic telescopic function, a smooth and easy nature and the stability that still can guarantee the translation platform and remove when being used for the translation platform to march along the ground that exists undulation.

Because the second supporting block is screwed with the locking bolt for screwing on the top surface of the wheel carrier, after the translation table finishes advancing, the locking bolt is screwed to enable the locking bolt to be tightly pressed on the top surface of the wheel carrier, so that the wheel carrier is fixed, and the translation table is guaranteed to finish effective fixing after advancing.

In conclusion, the invention solves the technical problem of low production efficiency caused by production procedure change in the prior art. The invention improves the efficiency of procedure conversion, reduces the influence on the processing accuracy in the technical improvement process, and has the advantage of quick and convenient adjustment.

Drawings

FIG. 1 is a schematic structural view of a telescopic workbench according to the present invention;

FIG. 2 is a longitudinal cross-sectional view of a telescoping work head of the present invention taken along its length;

FIG. 3 is a longitudinal cross-sectional view in the width direction of a telescopic table of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

in the figure, the fixing base 1, the first receiving cavity 10, the second driving mechanism 11, the hydraulic cylinder 110, the pillar 111, the ball nut 12, the sliding sleeve 13, the second roller 14, the translation stage 2, the first support block 20, the second support block 21, the locking bolt 210, the power assembly 211, the first driving mechanism 22, the first guide rod 220, the screw 221, the first roller 23, the support wheel 24, the clamping groove 25, the wheel carrier 240, the wheel body 241, the third guide rod 242, the compression spring 243, the lifting stage 3, the second guide rod 30, the second receiving cavity 31, the rotating shaft 32, the third receiving cavity 33, the first opening 34, the mounting frame 35, the linear driving mechanism 36, the mounting block 37, the protrusion 38, the rollover stage 4, the swing block 40, and the connecting rod 41.

Detailed Description

The invention is further elucidated with reference to the drawing.

The orientations referred to in the specification are based on the orientation of the telescopic workbench in normal operation, and the orientations in storage and transportation are not limited, and only represent relative positional relationships, but do not represent absolute positional relationships.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the telescopic workbench includes a fixing base 1, the fixing base 1 is used for being fixed on the ground, two translation stages 2 moving in opposite directions or back to back are installed on the fixing base 1, and the telescopic workbench can be extended and retracted by the relative displacement of the two translation stages 2.

The bottom parts of two ends of the translation table 2 are fixedly connected with a first supporting block 20 and a second supporting block 21 respectively, the first supporting block 20 is connected to the fixed seat 1 in a sliding mode, the bottom part of the second supporting block 21 is provided with a roller which is used for being supported on the ground in a rolling mode and used for achieving smooth movement of the translation table 2, a first driving mechanism 22 is installed on the translation table 2, and the first driving mechanism 22 drives the translation table 2 to move horizontally;

the fixing base 1 is internally provided with a first accommodating cavity 10, the top of the first accommodating cavity 10 is provided with a second opening, a lifting table 3 is arranged in the first accommodating cavity 10, a second driving mechanism 11 is arranged in the first accommodating cavity 10, and the second driving mechanism 11 is used for driving the lifting table 3 to vertically move.

When the workbench is used, the two translation tables 2 in the initial state are pressed against each other, the two translation tables 2 shield the second opening of the first accommodating cavity 10, the total working table surface of the workbench at the moment consists of the table surfaces of the two translation tables 2, and the two translation tables 2 are respectively provided with a first working procedure and a second working procedure; the first driving mechanism 22 drives the two translation tables 2 to move towards the direction far away from the fixed seat 1 until the second opening of the first accommodating cavity 10 is completely exposed, the second driving mechanism 11 drives the lifting table 3 to ascend until the table top of the second lifting table 3 is flush with the table top of the translation table 2, the first driving mechanism 22 drives the two translation tables 2 to move relatively, so that the two translation tables 2 move relatively until the opposite ends of the two translation tables 2 are attached to the corresponding ends of the lifting table 3, and at the moment, the total working table top of the working table comprises the table tops of the two translation tables 2 and the table top of one lifting table 3. Elevating platform 3 is used for setting up the third process, arranges the third process between first process and the second process, realizes that high efficiency's process is arranged, has improved production efficiency. Wherein, the both ends of elevating platform 3 are equipped with draw-in groove 25, and the one end that just faces draw-in groove 25 on the translation platform 2 is equipped with the arch 38 with draw-in groove 25 block fit for guarantee the stability after elevating platform 3 and the combination of translation platform 2.

Preferably, the first driving mechanism 22 includes a first guide rod 220 and a screw rod 221 which are parallel to each other, the number of the first guide rods 220 is two, the two first guide rods 220 are symmetrically disposed on two sides of the screw rod 221, the first guide rod 220 is fixedly mounted between a first support block 20 and a second support block 21, the screw rod 221 is rotatably mounted between the first support block 20 and the second support block 21, a first through hole and a second through hole are formed in an end portion of the fixing base 1, a ball nut 12 is fixed in the first through hole, the screw rod 221 is connected with the ball nut 12 in a matching manner, a sliding sleeve 13 is arranged in the second through hole, the guide rods are connected with the sliding sleeve 13 in a matching manner, a box body is disposed at an end portion of the translation table 2, and a power assembly 211 for driving the screw rod. The power assembly 211 is preferably a motor, and the motor drives the screw rod 221 to rotate, so as to drive the relative displacement of the screw rod 221 and the ball nut 12, and the relative displacement of the first guide rod 220 and the sliding sleeve 13, thereby realizing accurate and stable movement of the translation table 2.

Preferably, the second driving mechanism 11 includes a hydraulic cylinder 110 installed in the first receiving cavity 10, a driving shaft of the hydraulic cylinder 110 is fixedly connected to a bottom surface of the lifting table 3, the second guide rod 30 is further installed on the bottom surface of the lifting table 3, a support column 111 is installed in the first receiving cavity 10, a slide hole inserted into the second guide rod 30 is formed in the support column 111, the lifting table 3 is driven to lift by the hydraulic cylinder 110, and the second guide rod 30 slides synchronously in the slide hole to improve the lifting stability of the lifting table 3.

Further, the both sides of elevating platform 3 all are equipped with second and accomodate chamber 31, and articulated in the second accomodate the chamber 31 have side turn-over table 4, and side turn-over table 4 can swing business turn over second accomodate chamber 31, and elevating platform 3 goes up and down to the position that is higher than translation platform 2 for side turn-over table 4 can be followed and pressed on the second opening after the second accomodates chamber 31 internal swing, then elevating platform 3 descends to the position that elevating platform 3 and translation platform 2 are parallel and level. Guarantee that elevating platform 3 can cover the second opening completely through side turn-over table 4 to side turn-over table 4 can also form the support to elevating platform 3, further promotes the stability after elevating platform 3 rises out.

Furthermore, the upper end surface of the side overturning platform 4 is flush with the table top of the lifting platform 3 when the side overturning platform 4 swings to the highest position, so that the upper end surface of the side overturning platform 4 and the table top of the lifting platform 3 are combined into a complete table top structure, and the smoothness of the total table top is ensured; the upper end surface of the side-turn table 4 is flush with the side surface of the lifting table 3 as the side-turn table 4 swings down to the lowest position, so that the side-turn table 4 can be completely accommodated in the second accommodation chamber 31 after swinging down.

Preferably, the rollover table 4 can be manually turned over to realize the entrance and exit in the second storage cavity 31, in this embodiment, the rollover table 4 is automatically opened and closed by a swing mechanism, specifically, the rollover table 4 is rotatably connected in the second storage cavity 31 by a rotating shaft 32, the axial direction of the rotating shaft 32 is the same as the moving direction of the translation table 2, a third storage cavity 33 is arranged in the rollover table 4, a first opening 34 for communicating the second storage cavity 31 and the third storage cavity 33 is arranged between the second storage cavity 31 and the third storage cavity 33, a swing block 40 is fixedly connected to the inner side of the rollover table 4, the outer end of the swing block 40 passes through the first opening 34 to enter the third storage cavity 33, an installation frame 35 is arranged in the third storage cavity 33, a linear driving mechanism 36 is arranged on the installation frame 35, the linear driving mechanism 36 is an air cylinder or an electric push rod, an installation block 37 is arranged on the driving end of the linear driving mechanism 36, and two ends of a connecting rod 41 are, The mounting block 37 is rotatably connected through a connecting shaft, so that the linear driving mechanism 36 drives the mounting block 37 to lift, the connecting rod 41 drives the swing block 40 to swing, synchronous swing of the side overturning platform 4 is realized, and the side overturning platform 4 can rapidly enter and exit from the second accommodating cavity 31; in the present embodiment, two swing mechanisms are provided at intervals along the longitudinal direction of the side turn table 4, and the two swing mechanisms operate in synchronization with each other.

Further, first running roller 23 is installed to the bottom surface of translation platform 2, and first running roller 23 rolls and presses on fixing base 1 top surface, and second running roller 14 is installed at the terminal surface top of fixing base 1, and second running roller 14 rolls and presses on translation platform 2 bottom surface. The first roller 23 and the second roller 14 are supported by synchronous rolling to realize the smoothness and stability of the movement of the translation stage 2 along the fixed seat 1.

Further, the supporting wheel 24 includes a wheel frame 240 and a wheel body 241 mounted on the wheel frame 240, at least two third guiding rods 242 are vertically and fixedly connected to the top surface of the wheel frame 240, a through hole is formed in the second supporting rod, the third guiding rods 242 are slidably connected to the through hole, a compression spring 243 is sleeved on the third guiding rods 242, the compression spring 243 is elastically supported between the second supporting block 21 and the wheel frame 240, the supporting wheel 24 can move up and down by the sliding of the third guiding rods 242 in the through hole, and a downward elastic supporting force is applied to the supporting wheel 24 by the compression spring 243, so that the supporting wheel 24 has an elastic telescopic function, and the smoothness and stability of the movement of the translation table 2 can be still ensured when the translation table 2 travels along the ground with the undulation.

Furthermore, the second supporting block 21 is screwed with a locking bolt 210 for spinning on the top surface of the wheel frame 240, and after the translation stage 2 finishes moving, the locking bolt 210 is screwed to tightly press the top surface of the wheel frame 240, so that the wheel frame 240 is fixed, and the translation stage 2 is guaranteed to be effectively fixed after moving.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.

Claims

1. A telescopic workbench comprises a fixed seat, two translation tables which move oppositely or back to back are arranged on the fixed seat, and is characterized in that,

the bottom parts of two ends of the translation table are respectively and fixedly connected with a first supporting block and a second supporting block, the first supporting block is connected to the fixed seat in a sliding mode, the bottom part of the second supporting block is provided with a supporting wheel, and a first driving mechanism for driving the translation table to move horizontally is mounted on the translation table;

the fixing base is internally provided with a first accommodating cavity, a lifting table is arranged in the first accommodating cavity, and a second driving mechanism for driving the lifting table to vertically move is arranged in the first accommodating cavity.

2. The telescopic workbench according to claim 1, wherein the first driving mechanism comprises a first guide rod fixedly installed between the first support block and the second support block, and a screw rod rotatably installed between the first support block and the second support block, the end of the fixed base is provided with a first through hole and a second through hole, a ball nut is fixed in the first through hole, the screw rod is in fit connection with the ball nut, a sliding sleeve is arranged in the second through hole, the guide rod is in fit connection with the sliding sleeve, and the second support block is provided with a power assembly for driving the screw rod to rotate.

3. The telescopic workbench according to claim 1, wherein the second driving mechanism comprises a hydraulic cylinder installed in the first receiving cavity, a driving shaft of the hydraulic cylinder is fixedly connected to a bottom surface of the lifting platform, a second guiding rod is further installed on the bottom surface of the lifting platform, a support column is installed in the first receiving cavity, and a sliding hole is formed in the support column and is in insertion fit with the second guiding rod.

4. The telescopic workbench according to claim 1, wherein a second receiving cavity is provided at both sides of the lifting platform, a side-turn platform is hinged in the second receiving cavity, and the side-turn platform can swing in and out of the second receiving cavity.

5. The telescopic workbench according to claim 4, wherein the upper end face of the side-tipping platform is flush with the top face of the lifting platform as the side-tipping platform swings up to the highest position; the upper end face of the side overturning platform is flush with the side face of the lifting platform when the side overturning platform swings downwards to the lowest position.

6. The telescopic workbench according to claim 5, wherein the side-turn table is rotatably connected to the second storage cavity through a rotating shaft, the axial direction of the rotating shaft is consistent with the moving direction of the translation table, a third storage cavity is arranged in the side-turn table, a first opening for communicating the second storage cavity and the third storage cavity is arranged between the second storage cavity and the third storage cavity, a swing block is fixedly connected to the inner side of the side-turn table, a mounting frame is arranged in the third storage cavity, a linear driving mechanism is arranged on the mounting frame, an installation block is arranged at the driving end of the linear driving mechanism, and a connecting rod is hinged between the swing block and the installation block.

7. The telescopic workbench according to claim 1, wherein the bottom surface of the translation stage is provided with a first roller rolling against the top surface of the fixed base.

8. The telescopic workbench according to claim 1, wherein the top of the end surface of the fixed seat is provided with a second roller which is pressed against the bottom surface of the translation table in a rolling manner.

9. The telescopic workbench according to any one of claims 1 to 8, wherein the supporting wheel comprises a wheel frame and a wheel body mounted on the wheel frame, at least two third guiding rods are vertically and fixedly connected to the top surface of the wheel frame, the third guiding rods are slidably connected to the second supporting block, and a compression spring is sleeved on the third guiding rods and elastically supported between the second supporting block and the wheel frame.

10. The telescopic work table as claimed in claim 9, wherein a locking bolt for screwing on the top surface of the wheel frame is screwed on the second support block.