CN216902043U

CN216902043U - Programmable controller training platform with safety protection function

Info

Publication number: CN216902043U
Application number: CN202123165642.1U
Authority: CN
Inventors: 孙吴松; 张�浩; 徐巧玲
Original assignee: Luan Vocational and Technical College
Current assignee: Luan Vocational and Technical College
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-05
Anticipated expiration: 2031-12-16

Abstract

The utility model belongs to the technical field of practical training teaching, and particularly relates to a programmable logic controller practical training platform with a safety protection function. The utility model is convenient for installing and disassembling the analog load unit and the shell, the installation and disassembly process is more time-saving and labor-saving, when the analog load unit completely enters the operation frame, the heat dissipation groove in the shell is opened, the heat dissipation is convenient, when the analog load unit is not used, the dust-proof plate shields the heat dissipation groove, and the external dust is prevented from entering the inside of the analog load unit to influence the use of the analog load unit, thereby prolonging the service life of the analog load unit.

Description

Programmable controller training platform with safety protection function

Technical Field

The utility model relates to the technical field of practical training teaching, in particular to a programmable logic controller practical training platform with a safety protection function.

Background

The analog load unit application technology is the development trend of the industrial control technology generally considered in the industrial automation industry at present, and the application technology of the analog load unit is widely applied, so that a high-rise college proofreads the teaching and training device of the system and has a large amount of requirements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a programmable logic controller training platform with a safety protection function, which solves the problems in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a real standard platform of programmable controller who possesses safety protection function, includes the handling frame, with handling frame sliding connection's shell, the internally mounted of shell has the analog load unit, the screw rod has been cup jointed in the inner wall of handling frame in the rotation, two sliders have been cup jointed, two to the outer lane symmetry screw thread of screw rod the outside of slider articulates respectively has the actuating lever, and the middle part of two actuating levers is through removable pin swing joint.

And one end of the driving rod, which is far away from the sliding block, is provided with a fixing mechanism so as to connect the driving rod and the shell.

Preferably, fixed establishment includes cup joints at the inside U type cardboard of mounting panel, the first reset spring of fixing between mounting panel and U type cardboard with the articulated mounting panel of actuating lever tip, horizontal slip, the outside of shell is fixed with the dog, one side that U type cardboard kept away from the dog is fixed with first sloping, can conflict with the inner wall of handling frame during wherein first sloping horizontal movement, move with drive U type cardboard.

Preferably, the guide rod that slides with the inner wall of handling frame and cup joints is fixed with in the outside of mounting panel, set up the guide way that the cooperation guide rod motion was used in the inner wall of handling frame.

Preferably, a heat dissipation groove is formed in the inner wall of the shell, the frame is sleeved on the outer wall of the shell in a sliding mode, a dust guard is fixed inside the frame, a second reset spring of a vertical setting is fixed between the outer side of the frame and the top wall of the shell, a second inclined block is fixed on the outer side of the frame, a third inclined block is fixed on the inner wall of the operation frame, and the second inclined block can be abutted against the third inclined block to drive the second inclined block to move along the vertical direction.

Preferably, a rectangular groove matched with the second inclined block to move up and down is formed in the inner wall of the shell, a sealing plate is fixed at the top of the second inclined block, and a sealing groove matched with the sealing plate to use is formed in the inner wall of the rectangular groove.

Preferably, a driving motor is fixed to the top of the operation frame, and an output end of the driving motor is connected with the screw rod to drive the screw rod to rotate.

According to the utility model, the simulation load unit and the shell are driven to horizontally move in the operation frame by the driving motor, the screw, the slider, the driving rod and the fixing mechanism, so that the simulation load unit and the shell are convenient to mount and dismount, the mounting and dismounting process is more time-saving and labor-saving, and the shell can be fixed in the operation frame by the U-shaped clamping plate, so that the shell is prevented from falling.

Make the simulation load unit get into the handling frame completely through frame, dust guard, second reset spring, second sloping block and the third sloping block that sets up when inside, the inside radiating groove of shell is opened, and the radiating of being convenient for goes on, and after second sloping block and the separation of third sloping block, the dust guard shelters from the radiating groove, prevents that outside dust from getting into the inside of simulation load unit, influences the use of simulation load unit to the life of extension simulation load unit.

Drawings

Fig. 1 is a side sectional view of an overall structure of a programmable logic controller training platform with a safety protection function according to the present invention;

fig. 2 is a cross-sectional top view of a fixing mechanism mounting structure of a programmable logic controller training platform with a safety protection function according to the present invention;

fig. 3 is an enlarged schematic view of a structure at a position a of the programmable controller training platform with a safety protection function according to the present invention.

In the figure: 1. an operation frame; 2. a housing; 3. a screw; 4. a slider; 5. a drive rod; 6. a fixing mechanism; 7. mounting a plate; 8. a U-shaped clamping plate; 9. a first return spring; 10. a stopper; 11. a first swash block; 12. a guide bar; 13. a guide groove; 14. a frame; 15. a dust-proof plate; 16. a second return spring; 17. a second swash block; 18. and a third sloping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a real standard platform of programmable controller who possesses safety protection function, including handling frame 1, with handling frame 1 sliding connection's shell 2, the internally mounted of shell 2 has the analog load unit, it has cup jointed screw rod 3 to rotate in the inner wall of handling frame 1, two sliders 4 have been cup jointed to the outer lane symmetry screw thread of screw rod 3, two the outside of slider 4 articulates respectively has actuating lever 5, and the middle part of two actuating levers 5 is through removable pin swing joint.

And one end of the driving rod 5, which is far away from the sliding block 4, is provided with a fixing mechanism 6 so as to connect the driving rod 5 and the shell 2.

Further, fixed establishment 6 includes cup joints at the inside U type cardboard 8 of mounting panel 7, the first reset spring 9 of fixing between mounting panel 7 and U type cardboard 8 with 5 tip articulated mounting panel 7 of actuating lever, horizontal slip, the outside of shell 2 is fixed with dog 10, one side that dog 10 was kept away from to U type cardboard 8 is fixed with first sloping block 11, wherein can conflict with the inner wall of handling frame 1 during first sloping block 11 horizontal movement, in order to drive U type cardboard 8 motion, first sloping block 11 receives the extrusion of handling frame 1 inner wall to drive U type cardboard 8 to the direction motion that is close to dog 10 for dog 10 is located the inside of U type cardboard 8, then when U type cardboard 8 rerunning, can drive the inside motion of shell 2 to handling frame 1 through dog 10.

Further, the outside of mounting panel 7 is fixed with guide bar 12 with the inner wall sliding sleeve of handling frame 1, set up cooperation guide bar 12 guide way 13 that the motion was used in the inner wall of handling frame 1, the setting of guide bar 12 and guide way 13 makes mounting panel 7 be in the horizontality all the time in the motion process.

Furthermore, a heat dissipation groove is arranged in the inner wall of the shell 2, a frame 14 is slidably sleeved on the outer wall of the shell 2, a dust guard 15 is fixed inside the frame 14, a second return spring 16 which is vertically arranged is fixed between the outer side of the frame 14 and the top wall of the shell 2, a second inclined block 17 is fixed on the outer side of the frame 14, a third inclined block 18 is fixed on the inner wall of the operating frame 1, wherein the second sloping block 17 can interfere with the third sloping block 18 to drive the second sloping block 17 to move vertically, when the second oblique block 17 is abutted against the third oblique block 18, the shell 2 continues to move, the second oblique block 17 drives the frame 14 and the dust-proof plate 15 to move upwards, the dust-proof plate 15 is separated from the heat dissipation groove, the controller is convenient to dissipate heat in the using process, meanwhile, when the second oblique block 17 is separated from the third oblique block 18, the dust-proof plate 15 is overlapped with the heat dissipation groove, and external dust is prevented from entering the controller through the heat dissipation groove.

Furthermore, a rectangular groove matched with the second inclined block 17 to move up and down is formed in the inner wall of the shell 2, a sealing plate is fixed at the top of the second inclined block 17, and a sealing groove matched with the sealing plate to move is formed in the inner wall of the rectangular groove, so that the second inclined block 17 can move conveniently.

Further, a driving motor is fixed on the top of the operation frame 1, and the output end of the driving motor is connected with the screw rod 3 to drive the screw rod 3 to rotate.

The working principle is as follows: when the simulation load unit is installed, the shell 2 is placed in the operation frame 1, so that the vertical surface where the stop block 10 is located can be located inside the U-shaped clamping plate 8, then the driving motor is started, the driving motor drives the screw rod 3 to rotate, the screw rod 3 drives the two sliding blocks 4 to be away from each other vertically, the two sliding blocks 4 drive the mounting plate 7 and the U-shaped clamping plate 8 to move towards the inside of the operation frame 1 through the driving rod 5, the mounting plate 7 is always in a horizontal state in the movement process due to the arrangement of the guide rod 12 and the guide groove 13, the first inclined block 11 is extruded by the inner wall of the operation frame 1 to drive the U-shaped clamping plate 8 to move towards the direction close to the stop block 10, so that the stop block 10 is located inside the U-shaped clamping plate 8, when the U-shaped clamping plate 8 moves again, the shell 2 can be driven to move towards the inside of the operation frame 1 through the stop block 10, and the simulation load unit is installed simply, conveniently and quickly, when the second oblique block 17 is abutted against the third oblique block 18, the shell 2 continues to move, the second oblique block 17 drives the frame 14 and the dustproof plate 15 to move upwards, the dustproof plate 15 is separated from the heat dissipation groove, so that the controller can conveniently dissipate heat in the using process, and meanwhile, when the second oblique block 17 is separated from the third oblique block 18, the dustproof plate 15 is overlapped with the heat dissipation groove, so that external dust is prevented from entering the controller through the heat dissipation groove, and the use of the controller is prevented from being influenced; the device is through the driving motor who sets up, screw rod 3, slider 4, actuating lever 5 and fixed establishment 6 drive analog load unit and shell 2 at the inside horizontal motion of handling frame 1, be convenient for installation and dismantlement analog load unit and shell 2, installation and dismantlement process are labour saving and time saving more, simultaneously through the frame 14 that sets up, dust guard 15, second reset spring 16, when second sloping block 17 and third sloping block 18 make analog load unit get into handling frame 1 inside completely, the inside radiating groove of shell 2 is opened, be convenient for radiating going on, after second sloping block 17 and third sloping block 18 separation, dust guard 15 shelters from the radiating groove, prevent that outside dust from getting into the inside of analog load unit, influence the use of controller, thereby the life of extension controller.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The programmable controller training platform with the safety protection function comprises an operation frame (1) and a shell (2) which is in sliding connection with the operation frame (1), and is characterized in that a simulation load unit is installed inside the shell (2), a screw (3) is rotatably sleeved in the inner wall of the operation frame (1), two sliders (4) are symmetrically sleeved on the outer ring of the screw (3) in a threaded manner, driving rods (5) are respectively hinged to the outer sides of the two sliders (4), and the middle parts of the two driving rods (5) are movably connected through movable pins;

one end of the driving rod (5) far away from the sliding block (4) is provided with a fixing mechanism (6) to connect the driving rod (5) and the shell (2).

2. The programmable controller training platform with the safety protection function according to claim 1, wherein the fixing mechanism (6) comprises a mounting plate (7) hinged to the end of the driving rod (5), a U-shaped clamping plate (8) horizontally slidably sleeved inside the mounting plate (7), and a first return spring (9) fixed between the mounting plate (7) and the U-shaped clamping plate (8), a stopper (10) is fixed on the outer side of the housing (2), and a first inclined block (11) is fixed on one side, away from the stopper (10), of the U-shaped clamping plate (8), wherein the first inclined block (11) can abut against the inner wall of the operation frame (1) during horizontal movement to drive the U-shaped clamping plate (8) to move.

3. The practical training platform for the programmable controller with the safety protection function according to claim 2, wherein a guide rod (12) slidably sleeved with the inner wall of the operation frame (1) is fixed on the outer side of the mounting plate (7), and a guide groove (13) matched with the guide rod (12) for movement is formed in the inner wall of the operation frame (1).

4. The programmable controller training platform with the safety protection function according to claim 3, wherein a heat dissipation groove is formed in the inner wall of the housing (2), the frame (14) is sleeved on the outer wall of the housing (2) in a sliding manner, a dust guard (15) is fixed inside the frame (14), a vertically-arranged second reset spring (16) is fixed between the outer side of the frame (14) and the top wall of the housing (2), a second inclined block (17) is fixed on the outer side of the frame (14), a third inclined block (18) is fixed on the inner wall of the operation frame (1), and the second inclined block (17) can abut against the third inclined block (18) to drive the second inclined block (17) to move vertically.

5. The practical training platform for the programmable controller with the safety protection function as claimed in claim 4, wherein a rectangular groove matched with the second inclined block (17) to move up and down is formed in the inner wall of the housing (2), a sealing plate is fixed to the top of the second inclined block (17), and a sealing groove matched with the sealing plate is formed in the inner wall of the rectangular groove.

6. The practical training platform with the safety protection function for the programmable controller according to claim 1, wherein a driving motor is fixed to the top of the operation frame (1), and an output end of the driving motor is connected with the screw (3) to drive the screw (3) to rotate.