Film slitting machine with automatic film carriage limiting function

Abstract

The utility model discloses a film cutting machine with automatic limiting function of film transport vehicle has, including inlet material winding drum, guide roller subassembly, a plurality of discharge winding arm, cutting assembly, transmission track, a plurality of film transport vehicles, electronic telescopic handle and in -place sensor, transmission track is used for bearing and transport a plurality of film transport vehicles, inlet material winding drum is used for winding the film of cutting -waiting, guide roller subassembly is used for guiding the film cutting -waiting transportation to discharge winding arm, cutting assembly is used for cutting operation to the film cutting -waiting on discharge winding arm, electronic telescopic handle is used for limiting to each film transport vehicle, makes the interval of adjacent film transport vehicle keep consistent, in -place sensor is used for detecting whether the film transport vehicle of the most front end in film transport vehicle transportation direction is in place. The scheme has solved the limiting adjustment of film transport vehicle in the existing film cutting machine, and the limiting adjustment of film transport vehicle depends on manual operation, when facing batch film cutting task, it is time -consuming and labor -intensive, leads to the problem of low overall production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of film slitting machine technology, specifically a film slitting machine with automatic limiting function of film transport vehicle. Background Technology

[0002] In the film production and processing flow, the film slitting machine is a key piece of equipment for achieving fixed-width cutting of film substrates and roll winding. Existing film slitting machines typically consist of a conveyor track, several film transport trolleys, and several winding arms. The conveyor track, as the carrier and transport platform for the film transport trolleys, must stably transport multiple trolleys along a preset path, providing a channel for the subsequent transfer of film rolls. The winding arms are distributed sequentially at equal intervals along the transport direction of the film transport trolleys and are located on one side of the conveyor track. Their function is to neatly wind up the film after it has been cut by the slitting machine, forming film rolls that meet production specifications. In actual production operations, before the winding arms complete the film winding, the film transport trolleys must first be transported to the end of the conveyor track, and then, through limit adjustment, they must stop at the position corresponding to the winding arm. This ensures that the subsequent winding arms can automatically and smoothly transfer the wound film rolls to the film transport trolleys, which then transport them to the next process such as packaging and storage. However, in the existing technology, the limit adjustment of the film transport vehicle usually relies on manual operation. When facing batch film cutting tasks, a single production requires the continuous limit operation of multiple film transport vehicles, which consumes a lot of time and labor costs, resulting in low overall production efficiency. Utility Model Content

[0003] To address the aforementioned shortcomings, this utility model proposes a film slitting machine with an automatic limit function for the film transport cart. The purpose is to solve the problem that in existing film slitting machines, the limit adjustment of the film transport cart usually relies on manual operation. When facing batch film slitting tasks, a single production requires handling the continuous limit operation of multiple film transport carts, which is time-consuming and labor-intensive, resulting in low overall production efficiency.

[0004] To achieve this goal, the present invention adopts the following technical solution: A film slitting machine with automatic limiting function for film transport carts includes a base plate, a support frame, an infeed roll, a guide roller assembly, several outfeed rewind arms, a cutting assembly, a transmission track, several film transport carts, an electronic telescopic rod, and a positioning sensor. The support frame includes a base. The support frame, the feed roll, and the conveying track are all disposed on the top surface of the base plate. The conveying track extends in the front-to-back direction and passes through the interior of the support frame. The conveying track is used to carry and transport several of the film transport carts. The feed roll is located on the right side of the support frame and is used to wind the film to be cut. Several discharge and rewind arms are swaying up and down on the base of the support frame. These arms are arranged at equal intervals along the front-to-back direction and are all located on the left side of the transport track. The guide roller assembly and the cutting assembly are both mounted on the support frame. The guide roller assembly guides the film to be cut to the discharge and rewind arms, and the cutting assembly cuts the film on the discharge and rewind arms. An electronic telescopic rod is movable forward and backward on the right side of the transport track, and a positioning sensor is movable forward and backward on the left side of the transport track. The electronic telescopic rod and the positioning sensor are positioned front and rear, respectively. The electronic telescopic rod limits the movement of each film transport vehicle, ensuring consistent spacing between adjacent vehicles. The positioning sensor detects whether the film transport vehicle at the forefront of the transport vehicle's direction has reached its designated position.

[0005] Preferably, the cutting assembly includes a first lifting mounting base, a second lifting mounting base, a cutter mounting frame, a cutter, a first telescopic cylinder, and a second telescopic cylinder; the first lifting mounting base and the second lifting mounting base are respectively installed on the front and rear sides of the support frame; the cutter mounting frame is arranged along the front-rear direction, and the front and rear ends of the cutter mounting frame are respectively movably mounted on the first lifting mounting base and the second lifting mounting base; the first telescopic cylinder is disposed inside the first lifting mounting base or the second lifting mounting base, and the driving end of the first telescopic cylinder is connected to the cutter mounting frame, and the first telescopic cylinder is used to drive the cutter mounting frame to move up and down; the second telescopic cylinder is installed at one end of the cutter mounting frame, and the driving end of the second telescopic cylinder is connected to the cutter, and the second telescopic cylinder is used to drive the cutter to move back and forth.

[0006] Preferably, the rear side wall of the first lifting mounting base is provided with a first sliding groove, and the front side wall of the second lifting mounting base is provided with a second sliding groove; both the first sliding groove and the second sliding groove extend in the vertical direction, and the front and rear ends of the cutter mounting frame are respectively slidably installed in the first sliding groove and the second sliding groove.

[0007] Preferably, the support frame further includes a first inverted concave support frame and a second inverted concave support frame; the left bottom of the first inverted concave support frame and the left bottom of the second inverted concave support frame are both fixedly connected to the top surface of the base, and the first inverted concave support frame and the second inverted concave support frame are symmetrically distributed front and back.

[0008] Preferably, it further includes a packing workbench, which is installed on the top surface of the base plate, located in front of the support frame and to the right of the transmission track.

[0009] Preferably, it further includes a controller, which is installed on the top surface of the base plate, located on the rear side of the support frame and on the left side of the transmission track; the controller is electrically connected to the electronic telescopic rod, the positioning sensor, the first telescopic cylinder and the second telescopic cylinder respectively.

[0010] Preferably, it further includes a first slide rail, a first slider, a second slide rail, and a second slider; the first slide rail is installed on the right side of the transmission track, the second slide rail is installed on the left side of the transmission track, and both the first slide rail and the second slide rail are arranged in the front-back direction; the first slider is slidably installed on the first slide rail, and the electronic telescopic rod is installed on the first slider; the second slider is slidably installed on the second slide rail, and the positioning sensor is installed on the second slider.

[0011] The technical solution provided by this utility model can include the following beneficial effects: In this solution, positioning sensors and electronic telescopic rods are respectively installed on the left and right sides of the transmission track, with the electronic telescopic rods positioned one behind and one behind the positioning sensors. When the film transport vehicle runs on the transmission track and passes the electronic telescopic rod, the electronic telescopic rod can perform real-time limit control on the vehicle, ensuring a constant distance between two adjacent film transport vehicles. When the film transport vehicle at the forefront of the transport direction passes the positioning sensor, the positioning sensor detects the vehicle's arrival and triggers a braking command on the transmission track to stop it, thereby achieving precise alignment between each film transport vehicle and the corresponding output and rewinding arm. Compared to the traditional method of film transport vehicle limit adjustment relying on manual methods, this solution adopts an automated method of film transport vehicle limit adjustment. When facing batch film cutting tasks, it can effectively reduce manual intervention, thereby saving a lot of time and labor costs, and thus improving overall production efficiency. Attached Figure Description

[0012] Figure 1 This is a structural diagram of a film slitting machine with an automatic limiting function for the film transport cart. Figure 2 yes Figure 1 A magnified view of a portion of region A in the middle; Figure 3 yes Figure 1 A magnified view of a portion of region B in the middle; Figure 4 This is a schematic diagram of one embodiment of this example; Figure 5 yes Figure 4 A magnified view of a portion of region C in the middle; Figure 6 This is a schematic diagram of one embodiment of this example; Figure 7 yes Figure 6 A magnified view of a portion of region D.

[0013] The components include: 1. Base plate; 2. Support frame; 3. Feed roll; 4. Guide roller assembly; 5. Output rewind arm; 6. Cutting assembly; 7. Transfer track; 8. Film transport trolley; 9. Electronic telescopic rod; 10. Position sensor; 11. Packaging workbench; 12. Controller; 13. First slide rail; 14. First slider; 15. Second slide rail; 16. Second slider; 21. Base; 22. First inverted concave support frame; 23. Second inverted concave support frame; 61. First lifting mounting seat; 62. Second lifting mounting seat; 63. Cutter mounting frame; 64. Cutter; 610. First chute; 620. Second chute. Detailed Implementation

[0014] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0015] In the description of this utility model, it should be understood that the terms "length", "middle", "upper", "lower", "left", "right", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0016] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "assembly," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0017] A film slitting machine with automatic limiting function of film transport cart includes a base plate 1, a support frame 2, a feed roll 3, a guide roller assembly 4, several output rewind arms 5, a cutting assembly 6, a transmission track 7, several film transport carts 8, an electronic telescopic rod 9, and a positioning sensor 10. The support frame 2 includes a base 21. The support frame 2, the feed roll 3, and the conveying track 7 are all disposed on the top surface of the base plate 1. The conveying track 7 extends in the front-to-back direction and passes through the interior of the support frame 2. The conveying track 7 is used to carry and transport several of the film transport carts 8. The feed roll 3 is located on the right side of the support frame 2 and is used to wind the film to be cut (not shown in the figure). Several discharge and rewind arms 5 are swaying up and down on the base 21 of the support frame 2. These discharge and rewind arms 5 are arranged at equal intervals along the front-to-back direction and are all located on the left side of the transmission track 7. The guide roller assembly 4 and the cutting assembly 6 are both located on the support frame 2. The guide roller assembly 4 guides the film to be cut to the discharge and rewind arms 5, and the cutting assembly 6 cuts the film on the discharge and rewind arms 5. The electronic telescopic rod 9 is movable back and forth on the right side of the transmission track 7, and the positioning sensor 10 is movable back and forth on the left side of the transmission track 7. The electronic telescopic rod 9 and the positioning sensor 10 are positioned front and back. The electronic telescopic rod 9 limits the movement of each film transport vehicle 8, ensuring that the distance between adjacent film transport vehicles 8 remains consistent. The positioning sensor 10 detects whether the film transport vehicle 8 at the forefront of the film transport vehicle's transport direction has reached its position.

[0018] This solution provides a film slitting machine with an automatic limiting function for the film transport cart. In this embodiment, for example... Figure 1-2 , Figure 6-7 As shown, the film slitting machine also includes a first motor (not shown) for driving the transport track 7, a second motor (not shown) for driving the feed roll 3, and a controller 12. The controller 12 is electrically connected to the first motor, the second motor, the electronic telescopic rod 9, and the positioning sensor 10. Operators can pre-set the moving positions of the electronic telescopic rod 9 and the positioning sensor 10, as well as the extension / retraction duration of the electronic telescopic rod 9, on the controller 12. Before film cutting and transport operations, the electronic telescopic rod 9 and the positioning sensor 10 move to preset positions according to the control commands from the controller 12, preparing for the subsequent positioning of the film transport vehicle 8.

[0019] When film cutting and transportation are required, the operator first passes one end of the film to be cut from the feed roll 3 through the guide roller assembly 4 and the parallel feed take-up arms 5, and then places several unloaded film transport carts 8 on the transport track 7. Subsequently, the first motor and the second motor are started simultaneously. The first motor drives the transport track 7 from front to back, thereby moving the film transport carts 8 from front to back. The second motor drives the feed roll 3 to rotate, thereby transporting the film to be cut along a preset film transport direction. When all the feed take-up arms 5 have completed their film winding task, the cutting assembly 6 is activated to cut the wound film on the feed take-up arms 5. During the transportation process of the film transport vehicle 8, when each film transport vehicle 8 passes the electronic telescopic rod 9, the electronic telescopic rod 9 extends or retracts according to the preset extension and retraction time on the controller 12: when the electronic telescopic rod 9 is in the extended state, it can limit the film transport vehicle 8; when the electronic telescopic rod 9 is in the retracted state, it ensures that the film transport vehicle 8 continues to transport, ensuring that the distance between two adjacent film transport vehicles 8 remains consistent, and that the distance between the two adjacent discharge and rewinding arms 5 is the same. When the film transport vehicle 8 at the forefront of the film transport direction passes the positioning sensor 10, the positioning sensor 10 will detect that the vehicle has arrived and feed the signal back to the controller 12. After receiving the signal, the controller 12 generates a braking command and sends it to the first motor, causing the transmission track 7 to stop running, ensuring that each film transport vehicle 8 can be precisely aligned with the corresponding discharge and rewinding arm 5. After the film is cut, each discharge and rewinding arm 5 will automatically place the cut film roll onto the corresponding film transport vehicle 8, which will then transport it to the packaging process.

[0020] To further explain, the guide roller assembly 4 adopts a guide roller combination structure that is common in the art, and this structure will not be described in detail in this solution.

[0021] In this solution, positioning sensors 10 and electronic telescopic rods 9 are respectively installed on the left and right sides of the transmission track 7, with the electronic telescopic rods 9 positioned in front of and behind the positioning sensors 10. When the film transport vehicle 8 runs on the transmission track 7 and passes the electronic telescopic rod 9, the electronic telescopic rod 9 can perform real-time limit control on the vehicle, ensuring a constant distance between two adjacent film transport vehicles 8. When the film transport vehicle 8 at the forefront of the transport direction passes the positioning sensor 10, the positioning sensor 10 detects that the vehicle has arrived and triggers a braking command on the transmission track 7 to stop its operation, thereby achieving precise alignment between each film transport vehicle 8 and the corresponding output and rewinding arm 5. Compared with the traditional method of film transport vehicle limit adjustment that relies on manual intervention, this solution adopts an automated method of film transport vehicle limit adjustment. When facing batch film cutting tasks, it can effectively reduce manual intervention, thereby saving a lot of time and labor costs, and thus improving overall production efficiency.

[0022] Preferably, the cutting assembly 6 includes a first lifting mounting base 61, a second lifting mounting base 62, a cutter mounting frame 63, a cutter 64, a first telescopic cylinder (not shown in the figure), and a second telescopic cylinder (not shown in the figure); the first lifting mounting base 61 and the second lifting mounting base 62 are respectively installed on the front and rear sides of the support frame 2, the cutter mounting frame 63 is arranged in the front-rear direction, and the front and rear ends of the cutter mounting frame 63 are respectively movably and vertically arranged on the first lifting mounting base 61 and the second lifting mounting base 62; the first telescopic cylinder is disposed inside the first lifting mounting base 61 or the second lifting mounting base 62, the driving end of the first telescopic cylinder is connected to the cutter mounting frame 63, and the first telescopic cylinder is used to drive the cutter mounting frame 63 to move up and down; the second telescopic cylinder is installed at one end of the cutter mounting frame 63, the driving end of the second telescopic cylinder is connected to the cutter 64, and the second telescopic cylinder is used to drive the cutter 64 to move back and forth.

[0023] In this embodiment, as Figure 1 , Figure 3-5As shown, the controller 12 is electrically connected to the first telescopic cylinder and the second telescopic cylinder, respectively. The operator presets the cutting height of the cutter mounting frame 63 and the cutting path of the cutter 64 on the controller 12. When it is necessary to cut the film that has been wound up on the output winding arm 5, the first telescopic cylinder is first activated. After receiving the relevant control command from the controller 12, the first telescopic cylinder drives the cutter mounting frame 63 to rise and fall to the preset cutting height. Subsequently, the second telescopic cylinder is activated. After receiving the relevant control command from the controller 12, the second telescopic cylinder drives the cutter 64 to move along the preset cutting path, thereby achieving precise cutting of the film that has been wound up on the output winding arm 5.

[0024] Preferably, the rear sidewall of the first lifting mounting base 61 has a first sliding groove 610, and the front sidewall of the second lifting mounting base 62 has a second sliding groove 620; both the first sliding groove 610 and the second sliding groove 620 extend vertically, and the front and rear ends of the cutter mounting bracket 63 are slidably mounted vertically within the first sliding groove 610 and the second sliding groove 620, respectively. In this embodiment, as... Figure 3 and Figure 5 As shown, the first slide groove 610 and the second slide groove 620 are configured to provide precise guiding constraints for the lifting movement of the cutter mounting bracket 63, ensuring that it always moves smoothly along the preset vertical path under the drive of the first telescopic cylinder, effectively avoiding cutting accuracy deviations caused by shaking or offset during the cutting process.

[0025] Preferably, the support frame 2 further includes a first inverted concave support frame 22 and a second inverted concave support frame 23; the left bottom of the first inverted concave support frame 22 and the left bottom of the second inverted concave support frame 23 are both fixedly connected to the top surface of the base 21, and the first inverted concave support frame 22 and the second inverted concave support frame 23 are symmetrically distributed front and back. In this embodiment, as shown... Figure 1 As shown, since the bottom left side of the first inverted concave support frame 22 and the bottom left side of the second inverted concave support frame 23 are both fixedly connected to the top surface of the base 21, a stable support structure can be formed, thereby improving the overall load-bearing capacity and deformation resistance of the support frame 2. Because the first inverted concave support frame 22 and the second inverted concave support frame 23 are symmetrically distributed front and back, the force on the front and back sides of the support frame 2 is more balanced when subjected to longitudinal or lateral forces, avoiding local structural damage due to stress concentration.

[0026] Preferably, it also includes a packing workbench 11, which is installed on the top surface of the base plate 1. The packing workbench 11 is located on the front side of the support frame 2 and on the right side of the transfer track 7. In this embodiment, as... Figure 1 As shown, after the cut film rolls are placed on the film transport vehicle 8, since the packaging workbench 11 is located in front of the support frame 2, the first motor starts again, driving the transmission track 7 to move from back to front, causing the film transport vehicle 8 carrying the cut film rolls to move in an orderly manner. When the film transport vehicle 8 arrives at the packaging workbench 11, the staff can perform packaging operations on the cut film rolls.

[0027] Preferably, it also includes a controller 12, which is mounted on the top surface of the base plate 1. The controller 12 is located on the rear side of the support frame 2 and on the left side of the transmission track 7. The controller 12 is electrically connected to the electronic telescopic rod 9, the positioning sensor 10, the first telescopic cylinder, and the second telescopic cylinder, respectively. In this embodiment, as... Figure 1 As shown, since the controller 12 is electrically connected to the electronic telescopic rod 9, the positioning sensor 10, the first telescopic cylinder and the second telescopic cylinder respectively, it can realize centralized control of each actuator, reduce the coordination problems caused by decentralized control, and improve the overall response speed and operating efficiency of the film slitting machine.

[0028] Preferably, it further includes a first slide rail 13, a first slider 14, a second slide rail 15, and a second slider 16; the first slide rail 13 is installed on the right side of the transmission track 7, and the second slide rail 15 is installed on the left side of the transmission track 7, with both the first slide rail 13 and the second slide rail 15 arranged in the front-back direction; the first slider 14 is slidably installed on the first slide rail 13, and the electronic telescopic rod 9 is installed on the first slider 14; the second slider 16 is slidably installed on the second slide rail 15, and the positioning sensor 10 is installed on the second slider 16.

[0029] In this embodiment, as Figure 1-2 , Figure 6-7 As shown, through the cooperation of the first slide rail 13 and the first slider 14, and the cooperation of the second slide rail 15 and the second slider 16, the electronic telescopic rod 9 and the positioning sensor 10 can slide flexibly in the front and back direction, and can adjust their positions according to actual work needs to adapt to the limiting operation of the film transport vehicle 8 of different specifications or positions.

[0030] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without any inventive effort, and these embodiments will all fall within the scope of protection of this utility model.

Claims

1. A film slitting machine with automatic limiting function of film transport vehicle, characterized in that: It includes a base plate, a support frame, an infeed roll, a guide roller assembly, several outfeed rewind arms, a cutting assembly, a transmission track, several film transport carts, an electronic telescopic rod, and a positioning sensor. The support frame includes a base. The support frame, the feed roll, and the conveying track are all disposed on the top surface of the base plate. The conveying track extends in the front-to-back direction and passes through the interior of the support frame. The conveying track is used to carry and transport several of the film transport carts. The feed roll is located on the right side of the support frame and is used to wind the film to be cut. Several discharge and rewind arms are swaying up and down on the base of the support frame. These arms are arranged at equal intervals along the front-to-back direction and are all located on the left side of the transport track. The guide roller assembly and the cutting assembly are both mounted on the support frame. The guide roller assembly guides the film to be cut to the discharge and rewind arms, and the cutting assembly cuts the film on the discharge and rewind arms. An electronic telescopic rod is movable forward and backward on the right side of the transport track, and a positioning sensor is movable forward and backward on the left side of the transport track. The electronic telescopic rod and the positioning sensor are positioned front and rear, respectively. The electronic telescopic rod limits the movement of each film transport vehicle, ensuring consistent spacing between adjacent vehicles. The positioning sensor detects whether the film transport vehicle at the forefront of the transport vehicle's direction has reached its designated position.

2. The film slitting machine with automatic limiting function of film transport vehicle according to claim 1, characterized in that: The cutting assembly includes a first lifting mounting base, a second lifting mounting base, a cutter mounting frame, a cutter, a first telescopic cylinder, and a second telescopic cylinder; The first lifting mounting base and the second lifting mounting base are respectively installed on the front and rear sides of the support frame. The cutter mounting frame is arranged in the front-rear direction, and the front and rear ends of the cutter mounting frame are respectively movably and vertically arranged on the first lifting mounting base and the second lifting mounting base. The first telescopic cylinder is disposed inside the first lifting mounting base or the second lifting mounting base. The driving end of the first telescopic cylinder is connected to the cutter mounting frame, and the first telescopic cylinder is used to drive the cutter mounting frame to move up and down. The second telescopic cylinder is installed at one end of the cutter mounting bracket, and the drive end of the second telescopic cylinder is connected to the cutter. The second telescopic cylinder is used to drive the cutter to move back and forth.

3. A film slitting machine with automatic limiting function for film transport cart according to claim 2, characterized in that: The rear side wall of the first lifting mounting base is provided with a first sliding groove, and the front side wall of the second lifting mounting base is provided with a second sliding groove; Both the first and second slide grooves extend vertically, and the front and rear ends of the cutter mounting bracket are slidably mounted in the first and second slide grooves, respectively.

4. A film slitting machine with automatic limiting function for film transport cart according to claim 1, characterized in that: The support frame also includes a first inverted concave support frame and a second inverted concave support frame; The bottom left side of the first inverted concave support frame and the bottom left side of the second inverted concave support frame are both fixedly connected to the top surface of the base, and the first inverted concave support frame and the second inverted concave support frame are symmetrically distributed front and back.

5. A film slitting machine with automatic limiting function for film transport cart according to claim 1, characterized in that: It also includes a packing workbench, which is installed on the top surface of the base plate, located in front of the support frame and to the right of the transmission track.

6. A film slitting machine with automatic limiting function for film transport cart according to claim 2, characterized in that: It also includes a controller, which is mounted on the top surface of the base plate, located on the rear side of the support frame, and on the left side of the transmission track; The controller is electrically connected to the electronic telescopic rod, the positioning sensor, the first telescopic cylinder, and the second telescopic cylinder, respectively.

7. A film slitting machine with automatic limiting function for film transport cart according to claim 1, characterized in that: It also includes a first slide rail, a first slider, a second slide rail, and a second slider; The first slide rail is installed on the right side of the transmission track, and the second slide rail is installed on the left side of the transmission track. Both the first and second slide rails are arranged in the front-back direction. The first slider is slidably installed on the first slide rail, and the electronic telescopic rod is installed on the first slider. The second slider is slidably installed on the second slide rail, and the positioning sensor is installed on the second slider.

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