Detection equipment for bead rope control curtain

Abstract

The invention provides a bead rope control curtain detection device which comprises a test frame, a bead rope driving mechanism is arranged on the test frame, and the bead rope driving mechanism pulls a bead rope A side to move downwards to achieve curtain unfolding and pulls a bead rope B side to move downwards to achieve curtain closing. The bead rope driving mechanism comprises a first clamping mechanism used for clamping the A side of a bead rope and a second clamping mechanism used for clamping the B side of the bead rope. The first clamping mechanism and the second clamping mechanism are driven by the bead rope lifting driving mechanism to linearly move in the opening and closing direction of the curtain. The clamping mechanisms are arranged on the side A of the bead rope and the side B of the bead rope respectively, and the bead rope is pulled downwards respectively. According to the invention, a tensioning mechanism is not needed, the structure is compact, and no damage is caused to the chain bead in the testing process. Besides, the testing process is consistent with the operation steps of opening and closing when the curtain works, the testing data is more accurate, and the product quality can be better reflected.

Description

Technical Field

[0001] The invention belongs to the field of curtain detection, and in particular relates to a detection device for a curtain controlled by a bead rope. Background Art

[0002] Curtain products have become an indispensable part of furniture products in our lives, especially curtain products controlled by beads or ropes, which are the most popular due to their price advantage. Due to their largest usage, the requirements for their testing are more standardized, and the conventional parameters are more detailed. Curtains controlled by beads or ropes require repeated cycles to control the unfolding or rolling of the curtains when they are retracted or released. There is currently no perfect equipment to detect the actual operation of the curtains, and manual inspection is usually required. Manual inspection has too many influencing factors, and the force or pulling speed cannot be effectively controlled and recorded. It also takes up a lot of manpower. A normal retraction and release operation needs to be repeated several times to complete, and the data is not comprehensive during manual operation, and the required data cannot be effectively fed back.

[0003] Patent CN209356172U discloses a comprehensive test device for blinds, in which the solution adopted by the bead chain drive component is: after the bead chain is hung on the rotating wheel, the second clamping sleeve is moved to tighten the bead chain, and the bead chain is reciprocated by the forward and reverse rotation of the second reduction motor. This structure requires the bead chain to be tightened, the structure is relatively complex, and the shape and function of the bead chain are also damaged over time. Summary of the invention

[0004] The invention provides a detection device for controlling curtains with bead ropes.

[0005] The objective of the present invention is achieved in the following manner: A detection device for controlling curtains with bead ropes comprises a test frame, on which a bead rope driving mechanism is arranged, and the bead rope driving mechanism pulls the bead rope A side downward to realize the unfolding of the curtain and the bead rope B side downward to realize the closing of the curtain.

[0006] The bead rope driving mechanism includes a first clamping mechanism for clamping the bead rope A side and a second clamping mechanism for clamping the bead rope B side; the first clamping mechanism and the second clamping mechanism are driven by the bead rope lifting driving mechanism to move linearly along the direction of opening and closing of the curtain.

[0007] The first clamping mechanism and the second clamping mechanism are respectively located at the naturally drooping positions of the bead rope side A and the bead rope side B; the first clamping mechanism and the second clamping mechanism have the same structure, the first clamping structure includes a first clamping member and a second clamping member, there is an L-shaped gap groove between the first clamping member and the second clamping member, the L-shaped gap groove includes an opening groove for allowing the bead rope to enter and a clamping groove for clamping the bead rope, either or both of the first clamping member and the second clamping member are driven to move by the bead rope clamping drive mechanism so that the width of the clamping groove changes to clamp or loosen the bead rope.

[0008] The bead rope clamping drive mechanism is a cylinder, the first clamping member is fixedly arranged on the fixed end of the cylinder, and the second clamping member is fixedly connected to the movable end of the cylinder; the cylinder is controlled by a pneumatic solenoid valve, and the pneumatic solenoid valve is externally connected to a pressurized air pipe.

[0009] The first clamping mechanism and the second clamping mechanism are both arranged on a sliding frame of the same bead rope lifting drive mechanism, and the first clamping mechanism and the second clamping mechanism are arranged at different heights and staggered in the bead rope lifting drive mechanism.

[0010] The test frame is provided with an upper beam for connecting the curtain mounting frame at the upper end of the curtain, and the upper beam is driven to rise and fall on the test frame by an upper beam lifting and lowering driving mechanism provided on the test frame.

[0011] The upper beam lifting drive mechanism includes a lifting servo motor arranged on the test frame, the lifting servo motor drives the output shaft to rotate, upper synchronous pulleys are respectively arranged at both ends of the output shaft, and each upper synchronous pulley drives the lower synchronous pulley below to rotate through the synchronous belt; synchronization blocks are respectively fixed on the synchronous belts on both sides, and the synchronization blocks are respectively fixed at both ends of the lower beam; upper beam lifting guide rails are also respectively arranged on both sides of the test frame, and the synchronization blocks are slidably arranged on the upper beam lifting guide rails; limiters are respectively arranged on the test frame corresponding to the upper and lower limit positions of the synchronization blocks.

[0012] The test stand is provided with a touch screen control panel, and the touch control panel is electrically connected to the PLC controller; the bead rope driving mechanism is electrically connected to the PLC controller.

[0013] Compared with the prior art, the present invention sets respective clamping mechanisms on the bead rope side A and the bead rope side B, and pulls the bead rope downwards respectively. Compared with the mechanism of the comparative document that moves one side of the clamping mechanism up and down to close and open, the present invention does not need to set a tensioning mechanism, has a compact structure, and does not damage the chain beads during the test process. In addition, the test process of the present invention is consistent with the operating steps of opening and closing the curtain during operation, and the test data will be more accurate and better reflect the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall schematic diagram of the present invention.

[0015] Figure 2 It is an enlarged view of the first clamping mechanism and the second clamping mechanism.

[0016] Figure 3 yes Figure 1 Schematic diagram of the rear side.

[0017] Figure 4 This is a schematic diagram of the synchronous belt, synchronous block and upper beam.

[0018] Figure 5 It is a top view of the present invention.

[0019] Among them, 1 is the test frame, 2 is the first clamping mechanism, 20 is the first clamping piece, 21 is the second clamping piece, 23 is the L-shaped gap groove, 24 is the bead rope clamping drive mechanism, 3 is the second clamping mechanism, 4 is the bead rope lifting drive mechanism, 40 is the sliding frame, 41 is the belt, 42 is the clamping lifting guide rail, 43 is the mounting rod, 5 is the upper beam, 6 is the upper beam lifting drive mechanism, 60 is the lifting servo motor, 61 is the synchronous belt, 62 is the synchronous block, 63 is the limiter, 64 is the upper beam lifting guide rail, 7 is the touch screen control panel, and 9 is the PLC controller. DETAILED DESCRIPTION

[0020] In the present invention, unless otherwise clearly specified and limited, the technical terms used in this application shall be the common meanings understood by the technicians of the present invention. The terms "connected", "connected", "fixed", "set", etc. should be understood in a broad sense, and may be fixedly connected, detachably connected, or integrated; may be directly connected, or indirectly connected through an intermediate medium; may be mechanically connected or electrically connected. Unless otherwise clearly specified and limited, the first feature "on" or "below" the second feature may be that the first and second features are in direct contact, or indirectly in contact through an intermediate medium. Moreover, the first feature "above" or "above" or "above" the second feature may be regarded as the first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature "below" or "below" or "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or simply indicating that the first feature is lower in level than the second feature. Relational terms such as first, second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. The terms used in the description, such as "center", "lateral", "longitudinal", "length", "width", "thickness", "height", "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", "clockwise", "counterclockwise", etc., to indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation.

[0021] The following will provide a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings and specific embodiments. Figure 1-5As shown, a bead rope control curtain detection device includes a test frame 1, and a bead rope driving mechanism is arranged on the test frame 1. The bead rope driving mechanism pulls the bead rope A side downward to realize the curtain unfolding and the bead rope B side downward to realize the curtain closing. Pull the bead rope A side downward to unfold the curtain. Pull the bead rope B side downward to close the curtain. The inside and outside positions of the A side and the B side here can be as shown in the figure, or can be opposite to those shown in the figure. The bead rope here refers to an object such as a pull rope or a chain bead that drives the curtain to rise and fall. The bead rope A side and the bead rope B side only distinguish the relative positions of the bead ropes on both sides, and there is no positional limitation. The present invention sets respective clamping mechanisms for the bead rope A side and the bead rope B side, and pulls the bead rope downward respectively. Compared with the mechanism of the comparative document that moves one side of the clamping mechanism up and down to realize closing and opening, the present invention does not need to set a tensioning mechanism, has a compact structure, and does not cause damage to the chain beads during the test process. In addition, the test process of the present invention is consistent with the operation steps of opening and closing the curtain when working, and the test data will be more accurate and better reflect the quality of the product.

[0022] The bead rope driving mechanism shown includes a first clamping mechanism 2 for clamping the bead rope A side and a second clamping mechanism 3 for clamping the bead rope B side; the first clamping mechanism 2 and the second clamping mechanism 3 are driven by the bead rope lifting driving mechanism 4 to move linearly along the direction of opening and closing of the curtain. The first clamping mechanism 2 and the second clamping mechanism 3 can be driven by one bead rope lifting driving mechanism 4, or they can be driven by their own bead rope lifting driving mechanisms 4. The structures of the first clamping mechanism 2 and the second clamping mechanism 3 can adopt existing common clamps. All existing linear drive mechanisms can be within the protection scope of the bead rope lifting mechanism of the present invention. The structures of the first clamping mechanism 2 and the second clamping mechanism 3 are preferably the same, but of course they can also be different.

[0023] The first clamping mechanism 2 and the second clamping mechanism 3 are respectively located at the positions where the bead rope A side and the bead rope B side are naturally drooped; the first clamping mechanism 2 and the second clamping mechanism 3 have the same structure, and the first clamping structure includes a first clamping member 20 and a second clamping member 21, and there is an L-shaped gap groove 23 between the first clamping member 20 and the second clamping member 21, and the L-shaped gap groove 23 includes an opening groove for the bead rope to enter and a clamping groove for clamping the bead rope, and either or both of the first clamping member 20 and the second clamping member 21 are driven by the bead rope clamping driving mechanism 24 to move so that the width of the clamping groove changes to clamp or loosen the bead rope. The naturally drooping position here refers to the position of the bead rope in the naturally drooping state when the curtain is placed vertically. When the curtain is placed vertically, the bead rope A side and the bead rope B side pass through the L-shaped gap groove 23 of the first clamping member 20 and the second clamping member 21 respectively. The first clamping member 20 and the second clamping member 21 can be made of materials with a certain elastic buffer such as rubber or PE to avoid or reduce damage to the bead rope in the clamping state.

[0024] The bead rope clamping drive mechanism 24 is a cylinder, the first clamping member 20 is fixedly arranged on the fixed end of the cylinder, and the second clamping member 21 is fixedly connected to the movable end of the cylinder; the cylinder is controlled by a pneumatic solenoid valve, and the pneumatic solenoid valve is externally connected to an air pipe with pressure. The first clamping member 20 can be a block structure, and the second clamping member 21 can be an L-shaped block. Of course, a double-headed cylinder can also be selected, and the first clamping member 20 and the second clamping member 21 are respectively connected to the two movable ends of the double-headed cylinder with opposite movement directions. The pneumatic solenoid valve is electrically connected to the PLC controller.

[0025] The first clamping mechanism 2 and the second clamping mechanism 3 are both arranged on the sliding frame 40 of the same bead rope lifting drive mechanism 4, and the first clamping mechanism 2 and the second clamping mechanism 3 are arranged at different heights and staggered on the bead rope lifting drive mechanism 4. The positions of the bead rope A side and the bead rope B side are different, and the clamping positions of the clamping mechanisms are different. The different heights and staggered positions can provide more space. The bead rope lifting drive mechanism 4 includes a track or a belt 41 and a sliding frame 40 arranged thereon. In a specific embodiment: the bead rope lifting drive mechanism 4 can be a belt 41 mechanism driven by a servo motor to rotate forward and reverse. A vertical mounting rod 43 and a vertical clamping and lifting guide rail 42 fixed to the test frame 1 are arranged on the right side of the test frame 1, and a belt 41 mechanism driven by a servo motor is arranged on the mounting rod 43. One side of the sliding frame 40 is fixed to the belt 41 of the belt 41 mechanism, and the other two sides are slidably arranged on the clamping and lifting guide rail 42. The clamping and lifting guide rail 42 can be arranged on the mounting rod 43 and located on both sides of the belt 41.

[0026] The test frame 1 is provided with an upper beam 5 for connecting and fixing the curtain mounting frame at the upper end of the curtain, and the upper beam 5 is driven to rise and fall on the test frame 1 by an upper beam lifting and driving mechanism 6 provided on the test frame 1. The upper beam lifting and driving mechanism 6 can be an existing common linear driving mechanism. A plurality of transversely movable bolts can be provided on the upper beam 5 for fixing the curtain mounting frame. The lifting of the upper beam 5 is used to conveniently install and hang curtains. The curtain installation of the present invention is simple and convenient, and an L-shaped mounting frame can be used for top installation, or the curtain can be lifted and lowered as a whole by lifting the upper beam 5 to set the curtain hanging height arbitrarily. The upper beam 5 can also be provided with hooks or other components or mechanisms for fixing or hanging the upper end of the curtain as needed.

[0027] The upper beam lifting drive mechanism 6 includes a lifting servo motor 60 arranged on the test frame 1, the lifting servo motor 60 drives the output shaft to rotate, and upper synchronous belts 61 wheels are respectively arranged at both ends of the output shaft, and each upper synchronous belt 61 wheel drives the lower synchronous belt 61 wheel below to rotate through the synchronous belt 61; the synchronous belts 61 on both sides are respectively fixed with synchronization blocks 62, and the two ends of the lower beam are respectively fixed with the synchronization blocks 62; the upper beam lifting guide rails 64 are also respectively arranged on both sides of the test frame 1, and the synchronization blocks 62 are slidably arranged on the upper beam lifting guide rails 64; the upper and lower limit positions of the synchronization blocks 62 on the test frame 1 are respectively provided with limiters 63. The limiter 63 can be a position sensor or a limit switch. The limiter 63 is electrically connected to the PLC controller. Among them, the test frame 1 can be a frame structure, which is built by profiles or other materials. The output shaft is arranged at the top of the test frame 1. One side of the synchronization block 62 is fixed to the upper beam 5, and the other side is fixed to the synchronous belt 61, and the middle part is provided with a guide groove to cooperate with the upper beam lifting guide rail 64. Of course, other commonly used driving mechanisms such as stepper motors may also be used here.

[0028] The test stand 1 is provided with a touch screen control panel 7, which is electrically connected to a PLC controller 9. The lifting servo motor 60, the bead rope clamping drive mechanism 24, the bead rope lifting drive mechanism 4 and other automatically controllable mechanisms mentioned in the text can be electrically connected to the PLC controller 9 and can be controlled by the touch screen control panel 7. The touch screen control panel 7 is provided with an on button and an emergency stop button and other parameters for setting speed, etc. The electrical connection and signal transmission between the touch screen control panel, servo motor, PLC controller 9, cylinder, linear drive mechanism, and control electrical appliance belong to the prior art and will not be described in detail.

[0029] In specific implementation, first, the control panel is used to control the upper beam 5 to rise and fall to a suitable position to hang the curtain. The signal is sent to the PLC controller 9 through the touch control panel and then transmitted to the lifting servo motor 60, driving the synchronous belts 61 on both sides to drive the upper beam 5 to rise and fall along the upper beam lifting guide rail 64. The lifting speed of the upper beam 5 can be adjusted by sending instructions through the touch screen control panel 7. The curtain mounting frame is hung on the upper beam 5, and the bead rope is placed in the card slots of the clamping devices A and B respectively according to the natural drooping direction, and the upper beam 5 is raised to a suitable detection position by the lifting servo motor 60. The upper and lower limit positions of the upper beam 5 are respectively provided with limiters 63 to limit the travel of the upper beam 5.

[0030] When the detection starts, a signal can be sent to the PLC controller 9 through the touch screen control panel 7. The PLC controller 9 controls the cylinder of the first clamping mechanism 2 to start clamping the bead line A side, and then controls the lifting servo motor 60 to start, driving the belt 41 to move downward. The sliding frame 40 moves downward along the clamping lifting guide rail 42 with the clamped first clamping mechanism 2 and the second clamping mechanism 3 in the loose state, and the bead rope A side is clamped and moves downward, thereby unfolding the curtain. The stroke of the first clamping mechanism 2 is set according to the length of the bead rope. When the first clamping mechanism 2 is pulled to the bottom and the curtain is not fully unfolded, the first clamping mechanism 2 will loosen the bead rope and slide to the top to repeat the action. The principle is the same when the curtain is closed. The first clamping mechanism 2 loosens the bead rope A side, and the second clamping mechanism 3 clamps the bead rope B side and moves downward to the bottom with the belt 41. If the curtain is not completely closed, the second clamping mechanism 3 will loosen the bead rope and slide to the top to repeat the action. The movement stroke can be set by the touch screen control panel 7 to control the stroke and movement speed. The bead rope lifting drive mechanism 4 of the present invention is also equipped with a limiter 63, which automatically stops when out of range; if there is an abnormality during the test, the emergency stop button on the control panel can be pressed, and the detection equipment is safe and reliable.

[0031] The present invention can be applied to various curtain tests controlled by beads or cords, and can effectively detect the real-time operation of the controller 9 of the beads or cords and the curtain body. The testing process of the detection equipment is consistent with the actual use process. The curtain controller 9 can be tested to see whether its service life meets the requirements within the normal range by adjusting the lifting speed of the first clamping mechanism 2 and the second clamping mechanism 3; a long-term tensile test can be performed, and the PLC controller can automatically record the lifting times of the bead rope lifting drive mechanism 4, thereby calculating the number of curtain retraction and extension times.

[0032] The technical features of the above-mentioned embodiments can be combined arbitrarily, and as long as there is no contradiction in the combination of these technical features, they should be considered as the scope of this specification. Without departing from the overall concept of the present invention, the technical solution of the present invention and the equivalent replacement or change, as well as the changes and improvements made, should also be regarded as the protection scope of the present invention.

Claims

1. A testing device for beaded cord controlled curtains, comprising a test frame, characterized in that: The test frame is provided with a bead rope driving mechanism, and the bead rope driving mechanism pulls the bead rope A side downward to realize the curtain unfolding, and moves the bead rope B side downward to realize the curtain closing.

2. According to claim 1, a detection device for controlling curtains with bead ropes, characterized in that: The bead rope driving mechanism includes a first clamping mechanism for clamping the bead rope A side and a second clamping mechanism for clamping the bead rope B side; the first clamping mechanism and the second clamping mechanism are driven by the bead rope lifting driving mechanism to move linearly along the direction of opening and closing of the curtain.

3. According to claim 2, a detection device for controlling curtains with bead ropes, characterized in that: The first clamping mechanism and the second clamping mechanism are respectively located at the naturally drooping positions of the bead rope side A and the bead rope side B; the first clamping mechanism and the second clamping mechanism have the same structure, the first clamping structure includes a first clamping member and a second clamping member, there is an L-shaped gap groove between the first clamping member and the second clamping member, the L-shaped gap groove includes an opening groove for allowing the bead rope to enter and a clamping groove for clamping the bead rope, either or both of the first clamping member and the second clamping member are driven to move by the bead rope clamping drive mechanism so that the width of the clamping groove changes to clamp or loosen the bead rope.

4. According to claim 3, a detection device for controlling curtains with bead ropes, characterized in that: The bead rope clamping drive mechanism is a cylinder, the first clamping member is fixedly arranged on the fixed end of the cylinder, and the second clamping member is fixedly connected to the movable end of the cylinder; the cylinder is controlled by a pneumatic solenoid valve, and the pneumatic solenoid valve is externally connected to a pressurized air pipe.

5. According to claim 3, a detection device for controlling curtains with bead ropes, characterized in that: The first clamping mechanism and the second clamping mechanism are both arranged on a sliding frame of the same bead rope lifting drive mechanism, and the first clamping mechanism and the second clamping mechanism are arranged at different heights and staggered in the bead rope lifting drive mechanism.

6. A detection device for controlling curtains with bead ropes according to any one of claims 1 to 5, characterized in that: The test frame is provided with an upper beam for connecting the curtain mounting frame at the upper end of the curtain, and the upper beam is driven to rise and fall on the test frame by an upper beam lifting and lowering driving mechanism provided on the test frame.

7. The detection device for controlling curtains with bead ropes according to claim 6, characterized in that: The upper beam lifting drive mechanism includes a lifting servo motor arranged on the test frame, the lifting servo motor drives the output shaft to rotate, upper synchronous pulleys are respectively arranged at both ends of the output shaft, and each upper synchronous pulley drives the lower synchronous pulley below to rotate through the synchronous belt; synchronization blocks are respectively fixed on the synchronous belts on both sides, and the synchronization blocks are respectively fixed at both ends of the lower beam; upper beam lifting guide rails are also respectively arranged on both sides of the test frame, and the synchronization blocks are slidably arranged on the upper beam lifting guide rails; limiters are respectively arranged on the test frame corresponding to the upper and lower limit positions of the synchronization blocks.

8. The detection device for controlling curtains with bead ropes according to claim 7, characterized in that: The test stand is provided with a touch screen control panel, and the touch control panel is electrically connected to the PLC controller; the bead rope driving mechanism is electrically connected to the PLC controller.

Images