CN218396582U - Automatic switching mechanism of assembly trolley - Google Patents

Abstract

The utility model relates to an injection molding machine production facility technical field discloses an assembly platform truck automatic switching mechanism, including platform truck and fixed station, be provided with locating station and locating plate on the platform truck, be provided with between locating plate and the locating station subassembly and location structure that slides, location structure includes a plurality of locating holes that set up on the locating station and the first cylinder that sets up on the locating plate, first cylinder drive has the locating pin, be provided with the drive plate on the fixed station, be provided with the interfacing apparatus with the locating plate butt joint on the drive plate, be provided with gas circuit connection structure between first cylinder and the drive plate, gas circuit connection structure includes acceptance portion and air feed portion, after drive plate and locating plate butt joint, the gas circuit intercommunication is realized with the sealed butt of acceptance portion to air feed portion, this assembly platform truck automatic switching mechanism, when realizing platform truck model automatic switching, the air supply does not set up on the platform truck, be convenient for remove the platform truck, promote the security, and air supply and first cylinder can communicate or break off automatically, improve degree of automation.

Description

Automatic switching mechanism for assembly trolley

Technical Field

The utility model relates to an injection molding machine production facility technical field specifically is an assembly trolley automatic switching mechanism.

Background

At present, along with the development of the injection molding machine industry, the machine types with different specifications appear, and in order to improve the assembly operation efficiency, bases of different machine types need to be produced on the same welding line, so that the requirements of assembly welding of the bases of different machine types are met by switching positioning units on a trolley.

Chinese patent with application number CN202022932494.0 discloses a switching system that flexibly slides of positioning unit on platform truck, including fixed bolster and platform truck, servo module installs on the fixed bolster, first driving piece is installed on servo module, and can follow the first direction motion under servo module's drive, clamping unit links to each other with first driving piece, and can follow the second direction motion under the drive of first driving piece, positioning unit locates on the platform truck and can follow the first direction motion, and be fixed a position to preset position by clamping unit, locking unit locates on the platform truck, be used for fixing positioning unit to the platform truck, locking unit is including locating the cylinder on the positioning unit, locating pin that sets up on the piston rod of cylinder and locating the locating hole on the platform truck.

Because the cylinder sets up on the platform truck, for the function of guaranteeing the cylinder, can dispose the air supply, and after the platform truck had switched over the model, need shift to the operating position from the switching system on, if the air supply sets up on the platform truck, then can increase the quality of platform truck and be unfavorable for removing, the air supply still emptys easily simultaneously, has the potential safety hazard, if the air supply does not set up on the platform truck, then when the platform truck moves away, needs the artificial connecting tube on cylinder or the air supply to pull out, degree of automation is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assembly platform truck automatic switching mechanism when realizing platform truck model automatic switching, the air supply does not set up on the platform truck, is convenient for remove the platform truck, promotes the security, and air supply and first cylinder can communicate or break off automatically, improve degree of automation.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides an assembly table car automatic switching mechanism, including platform truck and fixed station, be provided with locating station and locating plate on the platform truck, be provided with the subassembly that slides and make locating plate and locating station locking or the location structure of unblock between locating plate and the locating station, location structure includes a plurality of locating holes that set up on the locating station and the first cylinder that sets up on the locating plate, first cylinder drive has can with locating hole complex locating pin, be provided with the drive plate on the fixed station, be provided with the interfacing apparatus with the locating plate butt joint on the drive plate, be provided with the gas circuit connection structure for first cylinder air feed between first cylinder and the drive plate, gas circuit connection structure includes the acceptance portion that communicates with first cylinder that sets up on the locating plate, set up on the drive plate and the air feed portion that communicates with the air supply, after drive plate docks with the locating plate, air feed portion realizes the intercommunication with the sealed butt joint of acceptance portion.

By adopting the scheme, compared with the prior art that if the air source is arranged on the trolley, the mass of the trolley is increased, the trolley is not beneficial to movement, meanwhile, the air source is easy to topple over, and potential safety hazards exist, if the air source is not arranged on the trolley, when the trolley is moved away, the air cylinder or a connecting pipeline on the air source needs to be manually pulled out, the automation degree is low, in the scheme, the air source is stored near the fixed table, the air supply part on the fixed table is communicated with the air source, therefore, after the trolley is placed at a target position, the receiving part is opposite to the air supply part, the air supply part is movably controlled by the driving plate to move close to the receiving part until the receiving part is in sealing butt joint with the receiving part, air path communication is realized, compressed air reaches the first air cylinder from the air source through the air supply part and the receiving part to work, the first air cylinder controls the positioning pin to lift and be separated from the positioning hole, at the butt joint device enables the driving plate to be in butt joint with the positioning plate, the positioning plate to drive the positioning plate to move to adjust the width between the two positioning plates, so as to adapt to the machine types with different sizes, and after the adjustment is finished, the first air cylinder controls the positioning pin to fall, and to be in alternate with the positioning hole corresponding to be matched with the machine type corresponding to be switched; then the driving plate moves reversely to control the air supply part to be separated from the receiving part far away from the receiving part, the air path is cut off, and the trolley can be moved away.

Preferably, the receiving portion includes a rigid air pipe provided on the positioning plate and communicating with the first cylinder.

By adopting the scheme, the hard vent pipe cannot deform when being in sealing butt joint with the gas supply part, and the gas circuit can be ensured to be communicated in a sealing manner.

Preferably, the air supply unit includes a hard air supply pipe provided on the drive plate, and a seal ring is provided at an end of the hard air supply pipe close to the cart, and the seal ring can be brought into sealing contact with or separated from the hard air vent pipe.

By adopting the scheme, the driving plate moves close to the hard vent pipe until the sealing ring is in sealing butt joint with the hard vent pipe to realize gas path communication; otherwise, the driving plate moves away from the hard vent pipe, and the sealing ring is separated from the hard vent pipe.

Preferably, the docking device comprises a shifting block arranged on the positioning plate and a clamping structure which is arranged on the driving plate and can clamp the shifting block or be separated from the shifting block, and when the shifting block is clamped by the clamping structure, the sealing ring and the hard vent pipe realize sealed docking.

By adopting the scheme, the drive plate orders about the clamping structure to move close to the positioning plate, the shifting block can be clamped until the clamping structure, the sealing ring and the hard vent pipe are abutted in a sealing mode, the air channel is communicated, the first air cylinder orders about the positioning pin to rise, the drive plate continues to move, the positioning plate is driven to move, and machine type switching is achieved.

Preferably, the clamping structure comprises a base arranged on the driving plate, a first clamping jaw arranged on the base and facing to the shifting block, a second clamping jaw hinged to the base and capable of being turned downwards to match with the first clamping jaw to clamp the shifting block or turned upwards to separate from the shifting block, and a second air cylinder arranged on the base and used for controlling the second clamping jaw to rotate.

By adopting the scheme, the driving plate is moved to the state that the sealing ring is in sealing butt joint with the hard vent pipe, the shifting block can be clamped by the clamping structure, at the moment, the first clamping jaw needs to be attached to the shifting block, and the second clamping jaw is driven by the second air cylinder to turn downwards until the second clamping jaw is attached to the other side of the shifting block for clamping; after the movement is completed, the second air cylinder drives the second clamping jaw to turn upwards to be separated from the shifting block, and the driving plate moves reversely until the first clamping jaw is separated from the shifting block.

Preferably, a detection structure for detecting whether the air path connecting structure is effective is arranged between the first air cylinder and the fixed table.

Adopt above-mentioned scheme, because the platform truck shifts the in-process, can lead to accepting portion and air feed portion to produce the dislocation, consequently lead to both to be close to the back and not sealed laminating to make first cylinder internal gas pressure not enough, the accurate lift of uncontrollable locating pin, thereby can't accomplish location structure's unblock or locking, consequently set up detection structure, detect whether gas circuit connection structure takes effect.

Preferably, the detection structure comprises a detection block arranged above the first air cylinder in a lifting mode, the tail portion of a piston rod of the first air cylinder penetrates out of the cylinder body and then is connected with the detection block, and a laser sensing device for detecting the position of the detection block is arranged on the fixing table.

By adopting the scheme, whether the gas circuit is communicated or not can be judged by judging the lifting of the positioning pin, the positioning pin descending detection block descends, the positioning pin ascending detection block ascends, the laser sensing device is arranged on the fixing table, the positioning pin ascends to be separated from the positioning hole, the detection block ascends along with the positioning pin, the laser sensing device emits laser and then is blocked by the detection block, the laser cannot be received, and the mode I is adopted, namely the positioning structure is in an unlocking state; the locating pin descends to and alternates the cooperation with the locating hole, detects the piece and descends thereupon this moment, can not blocked by the detection piece after laser sensing device jets out laser, can be received, and mode two this moment is, and location structure is in the locking state promptly, and this detection structure still can detect the state that unlocking structure is in unblock or locking when detecting whether the gas circuit structure is effective, and the function is more comprehensive.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect:

1. the air source is stored near the fixed table, so that the hard air supply pipe on the fixed table is communicated with the air source, when the trolley is placed at a target position, the hard air supply pipe is opposite to the hard air supply pipe, the hard air supply pipe moves to the sealing ring to be in sealing and abutting joint with the hard air supply pipe, the air path communication is realized, and compressed air reaches the first air cylinder from the air source through the air supply part and the receiving part to work; the hard air supply pipe moves to the position where the sealing ring is separated from the hard vent pipe, the air path is cut off, and the trolley can be moved away.

2. Set up and detect the structure, can judge that location structure is in unblock or locking state through the position of judging the detection piece, and can judge whether the gas circuit feeds through the lift of detecting the piece, should detect the structure and still can detect the state that unlocking structure is in unblock or locking when detecting whether the gas circuit structure takes effect, the function is more comprehensive, through 2 above-mentioned advantages, when realizing platform truck model automatic switch-over, the air supply does not set up on the platform truck, be convenient for remove the platform truck, promote the security, and realize the automatic intercommunication or the disconnection of air supply and cylinder through gas circuit connection structure, the degree of automation is improved.

Drawings

FIG. 1 is a disassembled view of an automatic switching mechanism of an assembly trolley in an embodiment;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 2;

FIG. 4 is a partial enlarged view of an automatic switching mechanism of an assembly trolley without clamping a shifting block in the embodiment;

FIG. 5 is a partial enlarged view of a grip shift block of an automatic switching mechanism of an assembly trolley according to an embodiment;

FIG. 6 is a front view showing the insertion fitting of a positioning pin and a positioning hole of the automatic switching mechanism of the assembly trolley according to the embodiment;

FIG. 7 is an enlarged view at C in FIG. 6;

fig. 8 is a partially enlarged view of the automatic switching mechanism of an assembly trolley according to the embodiment when the positioning pin is disengaged from the positioning hole.

The names of the parts indicated by the numerical references in the above figures are as follows: 1. a trolley; 2. a fixed table; 3. a positioning table; 4. positioning a plate; 5. positioning holes; 6. a first cylinder; 7. positioning pins; 8. a drive plate; 9. a rigid vent tube; 10. a rigid gas supply tube; 11. a seal ring; 12. shifting blocks; 13. a base; 14. a first jaw; 15. a second jaw; 16. a second cylinder; 17. detecting a block; 18. a laser sensing device; 19. and a servo assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

An automatic switching mechanism of an assembly trolley is disclosed, and referring to fig. 1 to 8, the automatic switching mechanism comprises a trolley 1, a positioning table 3 is fixedly arranged on the trolley 1, two positioning plates 4 are movably arranged on the positioning table 3, a sliding assembly is arranged between the positioning plates 4 and the positioning table 3, the sliding assembly is the matching of a wire rail and a guide block in the embodiment, and is the prior art, and the description is omitted here, so that the two positioning plates 4 can be close to or far away from each other to move, the distance between the two positioning plates can be adjusted to meet the types of different models, a positioning structure is arranged between the positioning plates 4 and the positioning table 3, the positioning structure is unlocked, and the positioning plates 4 can move; after the positioning plate 4 moves to the target position, the positioning structure is locked to limit the positioning plate 4 to move continuously, and the positioning plate 4 and the positioning table 3 are relatively static. The positioning structure comprises a positioning hole 5 formed in the positioning table 3, the positioning hole 5 is provided with a plurality of along the moving direction of the positioning plate 4, a first air cylinder 6 is arranged on the positioning plate 4, a positioning pin 7 is arranged at the end part of a piston rod of the first air cylinder 6, the positioning pin 7 can be controlled by the first air cylinder 6 to descend to be in penetrating fit with the positioning hole 5 for locking, and the positioning pin 7 can be controlled to ascend to be separated from the positioning hole 5 for unlocking. Be provided with fixed station 2 in the both sides of platform truck 1, be provided with drive plate 8 on fixed station 2, drive plate 8 moves along locating plate 4 moving direction through servo 19's control, can be close to or keep away from platform truck 1 and carry out reciprocating motion, and servo 19 can be servo cylinder or servo electric cylinder in this embodiment, for prior art, does not describe here any more. Be provided with interfacing apparatus on the drive plate 8, interfacing apparatus makes drive plate 8 and locating plate 4 dock, and servo subassembly 19 orders about the drive plate 8 removal and can orders about the locating plate 4 removal to adjust the width between two locating plates 4, with the model that adapts to not unidimensional.

An air source is arranged near the fixed table 2, a hard air supply pipe 10 is arranged on the drive plate 8, the axial direction of the hard air supply pipe 10 is consistent with the moving direction of the drive plate 8, one end, far away from the trolley 1, of the hard air supply pipe 10 is provided with a first air pipe communicated with the air source, one end, close to the trolley 1, of the hard air supply pipe 10 is provided with a sealing ring 11, and a center hole of the sealing ring 11 is opposite to the center hole of the hard air supply pipe 10. A hard vent pipe 9 is arranged on the positioning plate 4, the axial direction of the hard vent pipe 9 is consistent with the axial direction of the hard air supply pipe 10, and a second air pipe communicated with the first air cylinder 6 is arranged at one end, far away from the hard air supply pipe 10, of the hard vent pipe 9. When the trolley 1 is placed at a target position, the hard air supply pipe 9 is opposite to the hard air supply pipe 10, the servo assembly 19 controls the drive plate 8 to move close to the trolley 1 to drive the hard air supply pipe 10 to move until the seal ring 11 is in sealing butt joint with the hard air supply pipe 9, air passage communication is realized, and compressed air passes through the hard air supply pipe 10 and the hard air supply pipe 9 from an air source and then reaches the first air cylinder 6 to work; after the machine type switching is completed, the servo assembly 19 controls the hard air supply pipe 10 to move to the sealing ring 11 to be separated from the hard air pipe 9, the air path is cut off, the trolley 1 can be moved away, the first air pipe, the second air pipe and the air source are in the prior art and are not marked in the figure, and further description is not provided herein.

Because 1 transfer in-process of platform truck can lead to stereoplasm air supply pipe 10 and stereoplasm breather pipe 9 to produce the dislocation, consequently lead to both to be close to the back, stereoplasm breather pipe 9 and sealing washer 11 are not sealed laminating, thereby make first cylinder 6 internal gas pressure not enough, the accurate lift of uncontrollable locating pin 7, thereby can't accomplish location structure's unblock or locking, consequently, set up the detection structure, and detect the structure and set up between first cylinder 6 and fixed station 2, can judge whether the gas circuit communicates through the lift of judging locating pin 7.

The detection structure comprises a detection block 17 arranged above the first air cylinder 6 in a lifting mode, the tail portion of a piston rod of the first air cylinder 6 penetrates through the cylinder body and then is connected with the detection block 17, the first air cylinder 6 is a double-head air cylinder (the double-head air cylinder is a YSC double-head air cylinder with the brand name and the type of YCDQ2WB 80-20D), therefore, the detection block 17 descends when the positioning pin 7 descends, and the detection block 17 ascends when the positioning pin 7 ascends. A laser sensing device 18 is arranged on the fixed table 2, the positioning pin 7 rises to be separated from the positioning hole 5, the detection block 17 rises along with the laser sensing device, the laser sensing device 18 emits laser, the laser is blocked by the detection block 17 and cannot be received, the mode I is shown, and referring to fig. 8, the dotted line in fig. 8 represents the light of the laser, namely the positioning structure is in an unlocking state; locating pin 7 descends to and alternates cooperation with locating hole 5, detect the descending thereupon of piece 17 this moment, laser sensing device 18 jets out laser after can not be blocked by detecting piece 17, can be received, be mode two this moment, refer to fig. 7, the dotted line in fig. 7 represents the light of laser, location structure is in the locking state promptly, this detection structure still can detect the state that location structure is in unblock or locking when detecting whether the gas circuit is effective, the function is more comprehensive, laser sensing device 18's detection mode is prior art, do not describe here any more.

The butting device comprises a shifting block 12 arranged on a positioning plate 4, a clamping structure is arranged on a driving plate 8, after the shifting block 12 is clamped by the clamping structure, a sealing ring 11 and a hard vent pipe 9 are in sealed butt joint, the servo assembly 19 controls the driving plate 8 to move so as to control the positioning plate 4 to move, and machine type switching is performed, the clamping structure comprises a base 13 arranged on the driving plate 8, a first clamping jaw 14 is arranged on the base 13 in a manner of facing to the shifting block 12, when the driving plate 8 moves to the sealing ring 11 and the hard vent pipe 9 to be in sealed butt joint, the shifting block 12 can be clamped by the clamping structure, the first clamping jaw 14 needs to be attached to the shifting block 12, a second clamping jaw 15 capable of being turned up and down is hinged to the base 13, turning of the second clamping jaw 15 is controlled by a second air cylinder 16, the second clamping jaw 15 is turned down and attached to the other side of the shifting block 12, the shifting block 12 is clamped by the first clamping jaw 14, the clamping direction is consistent with the moving direction of the positioning plate 4, therefore, the second clamping jaw 4 cannot be separated from the clamping structure in the moving process, after the moving of completing the moving of the positioning plate 4, the moving, the second clamping jaw 16 is controlled by a reverse turning over mode that the second clamping jaw 14 is not repeated.

When the machine type is switched, the trolley 1 moves to a target position, namely the hard air pipe 9 is opposite to the hard air supply pipe 10, the servo assembly 19 controls the driving plate 8 to move until the sealing ring 11 is in sealing butt joint with the hard air pipe 9, the first clamping jaw 14 is in butt joint with the shifting block 12, compressed air is conveyed into the first air cylinder 6 from an air source, the first air cylinder 6 controls the positioning pin 7 to ascend to be separated from the positioning hole 5, the laser sensing device 18 detects that the detection block 17 is located in a first mode, the second air cylinder 16 controls the second clamping jaw 15 to overturn downwards to be matched with the first clamping jaw 14 to clamp the shifting block 12, the servo assembly 19 drives the driving plate 8 to move to drive the positioning plate 4 to move until the positioning pin 7 is opposite to the target positioning hole 5, the first air cylinder 6 controls the positioning pin 7 to descend to be in penetrating fit with the target positioning hole 5, the laser sensing device 18 detects that the detection block 17 is located in a second mode, namely the machine type switching is completed, the second air cylinder 16 controls the second clamping jaw 15 to overturn upwards to be separated from the shifting block 12, the servo assembly 19 to drive the driving plate 8 to move to enable the sealing ring 11 to be separated from the hard air pipe 9, the first clamping jaw 14 to be separated from the shifting block 12, and the trolley 1 to be removed smoothly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides an assembly table car automatic switching mechanism, including platform truck (1) and fixed station (2), be provided with location platform (3) and locating plate (4) on platform truck (1), be provided with between locating plate (4) and the location platform (3) and slide the subassembly and make locating plate (4) and location platform (3) locking or the location structure of unblock, location structure includes a plurality of locating holes (5) that set up on location platform (3) and first cylinder (6) that set up on locating plate (4), first cylinder (6) drive have can with locating hole (5) complex locating pin (7), be provided with drive plate (8) on fixed station (2), be provided with the interfacing apparatus with locating plate (4) butt joint on drive plate (8), its characterized in that: be provided with the gas circuit connection structure for first cylinder (6) air feed between first cylinder (6) and drive plate (8), gas circuit connection structure includes the acceptance portion that sets up and first cylinder (6) intercommunication on locating plate (4), set up and with the air feed portion of air supply intercommunication on drive plate (8), after drive plate (8) and locating plate (4) butt joint, the gas circuit intercommunication is realized with the sealed butt of acceptance portion to air feed portion.

2. The automatic switching mechanism of an assembly trolley according to claim 1, characterized in that: the receiving part comprises a hard vent pipe (9) which is arranged on the positioning plate (4) and communicated with the first cylinder (6).

3. The automatic switching mechanism of an assembly trolley according to claim 2, characterized in that: the air supply part comprises a hard air supply pipe (10) arranged on the drive plate (8), a sealing ring (11) is arranged at one end, close to the trolley (1), of the hard air supply pipe (10), and the sealing ring (11) can be in sealing butt joint with or separated from the hard air pipe (9).

4. The automatic switching mechanism of an assembly trolley according to claim 3, characterized in that: the butt joint device comprises a shifting block (12) arranged on the positioning plate (4) and a clamping structure which is arranged on the driving plate (8) and can clamp the shifting block (12) or be separated from the shifting block (12), and when the shifting block (12) is clamped by the clamping structure, the sealing ring (11) and the hard vent pipe (9) realize sealed butt joint.

5. The automatic switching mechanism of an assembly trolley according to claim 4, characterized in that: the clamping structure comprises a base (13) arranged on the driving plate (8), a first clamping jaw (14) arranged on the base (13) and facing to the shifting block (12), a second clamping jaw (15) which is hinged to the base (13) and can be downwards overturned to match with the first clamping jaw (14) to clamp the shifting block (12) or upwards overturned to be separated from the shifting block (12), and a second cylinder (16) arranged on the base (13) and used for controlling the second clamping jaw (15) to rotate.

6. The automatic switching mechanism of an assembly trolley according to claim 1, characterized in that: a detection structure for detecting whether the air path connection structure is effective is arranged between the first air cylinder (6) and the fixed platform (2).

7. The automatic switching mechanism of an assembly trolley according to claim 6, characterized in that: the detection structure comprises a detection block (17) arranged above the first air cylinder (6) in a lifting mode, the tail portion of a piston rod of the first air cylinder (6) penetrates through the cylinder body and then is connected with the detection block (17), and a laser sensing device (18) for detecting the position of the detection block (17) is arranged on the fixed table (2).

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