Steel sucker workbench for CNC (computer numerical control)

Abstract

The utility model relates to the technical field of CNC workbenches, and discloses a CNC steel sucker workbench which comprises an adsorption plate, the top end of an inner cavity of the adsorption plate is fixedly connected with an adsorption pipe, the top end of the adsorption pipe is fixedly connected with a top plate, the bottom end of the adsorption pipe is fixedly connected with a fixing pipe, the bottom end of an inner cavity of the fixing pipe is fixedly connected with a spring, and the top plate is fixedly connected with the top plate. And the top end of the spring is fixedly connected with a blocking block. The pressure difference between the upper area and the lower area of the blocking block is large, the air flow passing through the gap between the adsorption pipe and the blocking block is large, and the flow speed is high, so that the blocking block is adsorbed downwards by high-speed and high-pressure airflow, the blocking block is driven to descend to make contact with the sealing ring, and the upper portion of the fixing pipe is sealed; therefore, air is not sucked into the inner cavity of the sealing assembly from the fixing pipe any more, isolation of a single through hole not making contact with a workpiece is achieved, and the situation that the air pressure of other through holes is affected, and the adsorption effect is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to CNC workstation technical field more specifically, the utility model relates to the steel sucking disc workstation of CNC. BACKGROUND

[0002] Through the CNC machining center to the plate processing, need to use the steel sucking disc workstation, through vacuum adsorption to the plate adsorption fixation, make the plate in the process of processing, will not shift, thereby will not affect the processing effect, but in use, the whole sucking disc workstation will share a vacuum equipment, carry out vacuum extraction, but this leads to some do not contact with the plate adsorption hole leaks, thereby leading to other contact with the plate adsorption hole, adsorption degree is not good, cannot effectively fix the plate. UTILITARIAN CONTENT

[0003] The utility model discloses a steel sucking disc workstation of CNC to solve the problem in the background art.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: the steel sucking disc workstation of CNC, including adsorption board, the top of adsorption board inner chamber is fixedly connected with adsorption pipe, the top of adsorption pipe is fixedly connected with top board, the bottom of adsorption pipe is fixedly connected with fixed tube, the bottom of fixed tube inner chamber is fixedly connected with spring, the top of spring is fixedly connected with block plug, the bottom of block plug is fixedly connected with spring, the bottom of block plug is fixedly connected with lifting rod, block plug can move along lifting rod, the junction of adsorption pipe and fixed tube is fixedly connected with sealing ring;

[0005] Replace board, replace board sets up at the top of adsorption board, the top of adsorption board is fixedly connected with sealing assembly, sealing assembly is formed by multiple sealing strips of longitudinal and transverse arrangement, multiple sealing strips form multiple areas, adsorption pipe has multiple, multiple adsorption pipes are arranged in multiple areas respectively, the bottom of fixed tube is fixedly connected with vent pipe, and the inner chamber of vent pipe and sealing assembly is through;

[0006] The beneficial effects of the above technical scheme are: through the setting of vent pipe, each adsorption pipe is separated, the workpiece is placed on the top of replace board, so that the workpiece contacts with the through hole, then the air is extracted through the sealing assembly and vent pipe, so that the air between the workpiece and the through hole is extracted, and the through hole in contact with the workpiece is in a sealed state, at this time, the air flow rate through the gap between the block plug and the adsorption pipe is slow, the air flow is small, and the position of the block plug is basically unchanged, so that the workpiece is adsorbed through the through hole.

[0007] The upper part of part of the through hole is not in contact with the workpiece, at this time, the pressure difference between the upper and lower areas of the blocking block is larger, the air flow through the gap between the adsorption pipe and the blocking block is larger, and the flow rate is faster, so that the blocking block is adsorbed downward by the high-speed and high-pressure airflow, and then drives the blocking block to descend and contact the sealing ring, thereby sealing the upper part of the fixed pipe, and then the air is no longer sucked into the inner cavity of the sealing assembly from the fixed pipe, thereby achieving isolation of the through hole of the single non-contact workpiece, avoiding the influence of the air pressure of other through holes, and avoiding the influence of the adsorption effect.

[0008] As a further improvement of the utility model, the bottom end of the lifting rod is fixedly connected with a pressing block, and the bottom end of the adsorption plate inner cavity is fixedly connected with a pressure sensor, and the pressure sensor is located below the pressing block.

[0009] The beneficial effects of the above technical scheme are that the pressure sensor is electrically connected with the external control device, when the blocking block descends in the inner cavity of the adsorption pipe, drives the lifting rod to move downward, and then drives the pressing block to descend, so that the pressing block contacts and presses the pressure sensor, at this time, the external control device knows that the pressure sensor is pressed, thereby knowing that the corresponding through hole does not adsorb the workpiece.

[0010] As a further improvement of the utility model, a through hole is formed in the top end of the replacement plate, and the through hole is located above the adsorption pipe.

[0011] The beneficial effects of the above technical scheme are that the workpiece is placed on the top end of the replacement plate, so that the through hole is in contact with the workpiece, and then the air in the inner cavity of the sealing assembly adsorbs between the workpiece and the through hole.

[0012] As a further improvement of the utility model, three split grooves are formed in the top end of the replacement plate, and the top of the replacement plate is divided into four placement areas through the three split grooves.

[0013] The beneficial effects of the above technical scheme are that the four placement areas are provided, so that the workers can simultaneously adsorb multiple workpieces, and can distinguish these workpieces according to the area division.

[0014] As a further improvement of the utility model, four vacuum extraction pipes are fixedly connected to the front side of the sealing assembly, and a vacuum detection pipe is fixedly connected to the center of the front side of the sealing assembly.

[0015] The beneficial effects of the above technical scheme are that the external vacuum extraction device is connected with the vacuum extraction pipe, so that the air can be extracted through the vacuum extraction pipe, the sealing assembly and the adsorption pipe, thereby adsorbing and fixing the workpiece, and the vacuum detection pipe is provided, so that the external vacuum detection device can obtain the current vacuum air pressure and other values of the inner cavity of the sealing assembly in real time.

[0016] As a further improvement of the utility model, the top end of the block is attached to the top plate, and the sealing ring is located on the moving path of the block.

[0017] The beneficial effects of the above technical solution are that the top end of the block is blocked by the top plate, preventing the block from moving out of the inner cavity of the adsorption tube, and the sealing ring is located on the moving path of the block, so that when the block descends and contacts the sealing ring, the upper part of the fixed tube can be blocked.

[0018] As a further improvement of the utility model, the through hole is in communication with the inner cavity of the adsorption tube, and the outer side of the adsorption plate is fixedly connected with a mounting plate.

[0019] The beneficial effects of the above technical solution are that the through hole is in communication with the inner cavity of the adsorption tube, so that the sealing assembly can extract air between the workpiece and the through hole through the adsorption tube, thereby adsorbing the workpiece, and the mounting plate on the outer side of the adsorption plate is connected with the bolt, so that the adsorption plate can be fixed through the mounting plate.

[0020] As a further improvement of the utility model, the middle part of the inner cavity of the adsorption plate is fixedly installed with a rectangular partition plate, the sealing assembly is fixedly connected to the top end of the rectangular partition plate, and the lifting rod is movably connected with the bottom end of the sealing assembly and the rectangular partition plate.

[0021] The beneficial effects of the above technical solution are that the rectangular partition plate of the adsorption plate supports the sealing assembly, and the lifting rod is movably connected with the sealing assembly and the rectangular partition plate, thereby avoiding air leakage in the inner cavity of the sealing assembly. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 It is a structural adsorption plate connection schematic diagram of the utility model;

[0024] Figure 3 It is a structural mounting plate connection schematic diagram of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the utility model Figure 3 It is an enlarged connection schematic diagram of A in the utility model;

[0026] Figure 5 It is a structural adsorption tube connection schematic diagram of the utility model.

[0027] In the figure: 1. Adsorption plate; 2. Replacement plate; 3. Splitting groove; 4. Through hole; 5. Sealing assembly; 6. Adsorption tube; 7. Top plate; 8. Fixing tube; 9. Vent tube; 10. Spring; 11. Blocking block; 12. Lifting rod; 13. Sealing ring; 14. Pressing block; 15. Pressure sensor; 16. Mounting plate; 17. Vacuum extraction tube; 18. Vacuum detection tube; 19. Vacuum chamber. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] like Figures 1 to 5 As shown, the utility model provides a CNC steel suction cup workbench, including an adsorption plate 1, the top end of the inner cavity of the adsorption plate 1 is fixedly connected to an adsorption tube 6, the top end of the adsorption tube 6 is fixedly connected to a top plate 7, the bottom end of the adsorption tube 6 is fixedly connected to a fixed tube 8, the bottom end of the inner cavity of the fixed tube 8 is fixedly connected to a spring 10, the top end of the spring 10 is fixedly connected to a blocking block 11, the bottom end of the blocking block 11 is fixedly connected to the spring 10, the bottom end of the blocking block 11 is fixedly connected to a lifting rod 12, the blocking block 11 can move along the lifting rod 12, and a sealing ring 13 is fixedly connected to the connection between the adsorption tube 6 and the fixed tube 8;

[0030] A replacement plate 2 is provided at the top of the adsorption plate 1. A sealing assembly 5 is fixedly connected to the top of the adsorption plate 1. The sealing assembly 5 is composed of multiple sealing strips arranged longitudinally and transversely. The multiple sealing strips form multiple areas. There are multiple adsorption tubes 6, which are respectively arranged in multiple areas. The bottom end of the fixed tube 8 is fixedly connected to a ventilation tube 9, which is in communication with the inner cavity of the sealing assembly 5.

[0031] The beneficial effects of the above technical solution are as follows: by providing the vent tube 9, each adsorption tube 6 is separated, the workpiece is placed on the top of the replacement plate 2 so that the workpiece contacts the through-hole 4, and then the air is extracted through the sealing assembly 5 and the vent tube 9, thereby extracting the air between the workpiece and the through-hole 4. The through-hole 4 in contact with the workpiece is in a sealed state. At this time, the air flow rate through the gap between the blocking block 11 and the adsorption tube 6 is slow, the air flow rate is small, and the position of the blocking block 11 remains basically unchanged, thereby adsorbing the workpiece through the through-hole 4.

[0032] The upper part of part of the through hole 4 is not in contact with the workpiece, at this time, the pressure difference between the upper and lower areas of the blocking block 11 is large, the air flow through the gap between the adsorption pipe 6 and the blocking block 11 is large, and the flow rate is fast, so that the blocking block 11 is adsorbed downward by the high-speed and high-pressure airflow, and then drives the blocking block 11 to descend and contact the sealing ring 13, thereby sealing the upper part of the fixed pipe 8, and then the air is no longer sucked into the inner cavity of the sealing assembly 5 from the fixed pipe 8, thereby achieving isolation of the through hole 4 of the single non-contact workpiece, avoiding the influence of the air pressure of other through holes 4, and avoiding the influence of the adsorption effect.

[0033] In an embodiment of the utility model, the bottom end of the lifting rod 12 is fixedly connected with a pressing block 14, and the bottom end of the inner cavity of the adsorption plate 1 is fixedly connected with a pressure sensor 15, and the pressure sensor 15 is located below the pressing block 14.

[0034] The beneficial effects of the above technical scheme are that the pressure sensor 15 is electrically connected with the external control device, when the blocking block 11 descends in the inner cavity of the adsorption pipe 6, the lifting rod 12 is driven to move downward, and then the pressing block 14 is driven to descend, so that the pressing block 14 contacts and presses the pressure sensor 15, at this time, the external control device knows that the pressure sensor 15 is pressed, thereby knowing that the corresponding through hole 4 does not adsorb the workpiece.

[0035] In an embodiment of the utility model, the top end of the replacement plate 2 is provided with a through hole 4, and the through hole 4 is located above the adsorption pipe 6.

[0036] The beneficial effects of the above technical scheme are that the workpiece is placed on the top end of the replacement plate 2, so that the through hole 4 contacts the workpiece, and then the air in the inner cavity of the sealing assembly 5 adsorbs between the workpiece and the through hole 4.

[0037] In an embodiment of the utility model, the top end of the replacement plate 2 is provided with three division grooves 3, and the upper part of the replacement plate 2 is divided into four placing areas through the three division grooves 3.

[0038] The beneficial effects of the above technical scheme are that the four placing areas are arranged, so that the workers can simultaneously adsorb multiple workpieces, and can distinguish these workpieces according to the area division.

[0039] In an embodiment of the utility model, the front side of the sealing assembly 5 is fixedly connected with four vacuum extraction pipes 17, and the center of the front side of the sealing assembly 5 is fixedly connected with a vacuum detection pipe 18.

[0040] The beneficial effect of the above technical scheme is that the external vacuum extraction equipment is connected with the evacuation extraction pipe 17, so that the air can be extracted through the evacuation extraction pipe 17, the sealing assembly 5 and the adsorption pipe 6, thereby the workpiece is adsorbed and fixed, and the vacuum detection pipe 18 is arranged, so that the current vacuum air pressure value in the inner cavity of the sealing assembly 5 can be obtained in real time through the external vacuum detection equipment.

[0041] In an embodiment of the utility model, the top end of the blocking block 11 is attached to the top plate 7, and the sealing ring 13 is located on the moving path of the blocking block 11.

[0042] The beneficial effect of the above technical scheme is that the top end of the blocking block 11 is blocked by the top plate 7, thereby preventing the blocking block 11 from moving out of the inner cavity of the adsorption pipe 6, and the sealing ring 13 is located on the moving path of the blocking block 11, so that the upper part of the fixed pipe 8 can be blocked when the blocking block 11 is lowered to contact the sealing ring 13.

[0043] In an embodiment of the utility model, the through hole 4 is in communication with the inner cavity of the adsorption pipe 6, and the outer side of the adsorption plate 1 is fixedly connected with a mounting plate 16.

[0044] The beneficial effect of the above technical scheme is that the through hole 4 is in communication with the inner cavity of the adsorption pipe 6, so that the sealing assembly 5 can extract the air between the workpiece and the through hole 4 through the adsorption pipe 6, thereby adsorbing the workpiece, and the mounting plate 16 on the outer side of the adsorption plate 1 is connected with the bolt, so that the adsorption plate 1 can be fixed through the mounting plate 16.

[0045] In an embodiment of the utility model, a rectangular partition plate is fixedly installed in the middle of the inner cavity of the adsorption plate 1, the sealing assembly 5 is fixedly connected to the top end of the rectangular partition plate, and the lifting rod 12 is movably connected to the bottom end of the sealing assembly 5 and the rectangular partition plate.

[0046] The beneficial effect of the above technical scheme is that the sealing assembly 5 can be supported by the rectangular partition plate of the adsorption plate 1, and the lifting rod 12 is movably connected to the sealing assembly 5 and the rectangular partition plate, thereby avoiding air leakage in the inner cavity of the sealing assembly 5.

[0047] The working principle and use process of the utility model are as follows: the external vacuum extraction equipment is connected with the evacuation extraction pipe 17, the external vacuum detection equipment is connected with the vacuum detection pipe 18, the workpiece is placed on the top end of the replacement plate 2, so that the workpiece contacts the through hole 4, then the air in the inner cavity of the vacuum chamber 19 is extracted through the evacuation extraction pipe 17, so that the air in the inner cavity of the adsorption pipe 6 is extracted through the air pipe 9.

[0048] The through hole 4 in contact with the workpiece is in a sealed state, the air flow through the gap between the blocking block 11 and the adsorption pipe 6 is small, the flow rate is slow, at this time the position of the blocking block 11 is unchanged, thereby the air of the through hole 4 and the workpiece is extracted, and the workpiece is adsorbed;

[0049] The through hole 4 not in contact with the workpiece, the pressure difference of the upper and lower regions of the blocking block 11 is large, the air flow through the gap between the blocking block 11 and the adsorption pipe 6 is large, the flow rate is fast, so that the blocking block 11 is adsorbed downward by the high-speed and high-pressure air flow, and then the blocking block 11 is lowered and the sealing ring 13 is released, thereby the upper part of the fixed pipe 8 is blocked, so that the air cannot pass through the through hole 4 not in contact with the workpiece again.

[0050] When the blocking block 11 is lowered, the lifting rod 12 is lowered, the lifting rod 12 drives the pressing block 14 to be lowered, so that the pressing block 14 is released and pressed from the corresponding pressure sensor 15, and then the pressure sensor 15 is pressed through the external control device, so that it is known that the corresponding through hole 4 does not adsorb the workpiece.

[0051] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.

[0052] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Steel chuck table for CNC, characterized in that, The utility model relates to a replaceable adsorption plate, which comprises an adsorption plate, a plurality of adsorption tubes, a plurality of fixed tubes, a plurality of sealing assemblies, a plurality of sealing rings, a replacement plate, a plurality of lifting rods, a plurality of blocking blocks, a plurality of springs, a plurality of air pipes, a plurality of vacuum detection pipes and a plurality of emptying pipes. The utility model relates to a replaceable adsorption plate, which comprises an adsorption plate, a plurality of adsorption tubes, a plurality of fixed tubes, a plurality of sealing assemblies, a plurality of sealing rings, a replacement plate, a plurality of lifting rods, a plurality of blocking blocks, a plurality of springs, a plurality of air pipes, a plurality of vacuum detection pipes and a plurality of emptying pipes. The utility model relates to a replaceable adsorption plate, which comprises an adsorption plate, a plurality of adsorption tubes, a plurality of fixed tubes, a plurality of sealing assemblies, a plurality of sealing rings, a replacement plate, a plurality of lifting rods, a plurality of blocking blocks, a plurality of springs, a plurality of air pipes, a plurality of vacuum detection pipes and a plurality of emptying pipes. The utility model relates to a replaceable adsorption plate, which comprises an adsorption plate, a plurality of adsorption tubes, a plurality of fixed tubes, a plurality of sealing assemblies, a plurality of sealing rings, a replacement plate, a plurality of lifting rods, a plurality of blocking blocks, a plurality of springs, a plurality of air pipes, a plurality of vacuum detection pipes and a plurality of emptying pipes. The utility model relates to a replaceable adsorption plate, which comprises an adsorption plate, a plurality of adsorption tubes, a plurality of fixed tubes, a plurality of sealing assemblies, a plurality of sealing rings, a replacement plate, a plurality of lifting rods, a plurality of blocking blocks, a plurality of springs, a plurality of air pipes, a plurality of vacuum detection pipes and a plurality of emptying pipes.

2. The steel chuck table of claim 1, wherein: The utility model relates to a replaceable adsorption plate, which comprises an adsorption plate, a plurality of adsorption tubes, a plurality of fixed tubes, a plurality of sealing assemblies, a plurality of sealing rings, a replacement plate, a plurality of lifting rods, a plurality of blocking blocks, a plurality of springs, a plurality of air pipes, a plurality of vacuum detection pipes and a plurality of emptying pipes.

3. The steel chuck table of claim 1, wherein: The utility model relates to a replaceable adsorption plate, which comprises an adsorption plate, a plurality of adsorption tubes, a plurality of fixed tubes, a plurality of sealing assemblies, a plurality of sealing rings, a replacement plate, a plurality of lifting rods, a plurality of blocking blocks, a plurality of springs, a plurality of air pipes, a plurality of vacuum detection pipes and a plurality of emptying pipes.

4. The steel chuck table of claim 1, wherein: The utility model relates to a replaceable adsorption plate, which comprises an adsorption plate, a plurality of adsorption tubes, a plurality of fixed tubes, a plurality of sealing assemblies, a plurality of sealing rings, a replacement plate, a plurality of lifting rods, a plurality of blocking blocks, a plurality of springs, a plurality of air pipes, a plurality of vacuum detection pipes and a plurality of emptying pipes.

5. The steel chuck table of claim 2, wherein: The utility model relates to a replaceable adsorption plate, which comprises an adsorption plate, a plurality of adsorption tubes, a plurality of fixed tubes, a plurality of sealing assemblies, a plurality of sealing rings, a replacement plate, a plurality of lifting rods, a plurality of blocking blocks, a plurality of springs, a plurality of air pipes, a plurality of vacuum detection pipes and a plurality of emptying pipes.

6. The steel chuck table of claim 1, wherein: ​

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