A rubber strip feeding and swinging plate mechanism and a feeding and swinging plate device having the same

Abstract

The present invention relates to a rubber strip feeding and swinging plate mechanism and a feeding and swinging plate device having the same, belonging to the field of O-ring production equipment, including a frame, a conveying device, a strip cutting device and a swinging plate device; the conveying device includes a conveyor belt arranged on the frame, the strip cutting device includes a support table fixedly arranged on the frame, and the strip cutting device also includes a cutter arranged on the frame in a liftable manner; the swinging plate device includes a first placement plate fixedly arranged on the frame, and a plurality of windows longitudinally penetrating the first placement plate are provided; the swinging plate device also includes a push plate, and the push plate includes a mounting strip movably arranged on the frame, and a push rod perpendicular to the mounting strip is fixedly arranged on the mounting strip corresponding to the window, and the push rod extends to the part above the window to form a pushing part; the swinging plate device also includes a second placement plate and a transfer assembly arranged on the frame. The rubber strip feeding and swinging plate device of the present invention can simultaneously complete the rubber strip slitting and swinging plate operations, and can effectively improve the production efficiency of the O-ring production process.

Description

Technical Field

[0001] The invention relates to the field of O-ring production equipment, and in particular to a rubber strip feeding and swinging plate mechanism and a feeding and swinging plate equipment having the same. Background Art

[0002] O-ring is a common sealing element. Its basic structure is a circular sealing strip, which is usually used to prevent the leakage of liquid or gas. This circular cross-section sealing ring is widely used in various mechanical equipment and systems, including hydraulic systems, air compressors, automobiles and aviation fields.

[0003] O-rings are usually prepared using a mold, and the cut long strips of rubber are pressed into the final O-ring shape through the mold. Multiple rubber strips are processed at the same time. Therefore, when the rubber strips are pressed using the mold, the rubber strips need to be located at a predetermined fixed position on the mold. Based on this, the present invention provides a rubber strip feeding and panning mechanism and a feeding and panning device having the same, which are used to pan the rubber strips according to preset positions while cutting the rubber strips, so that the arranged rubber strips can be directly grabbed into the mold for pressing. Compared with the traditional method of first using a cutting device to cut and collect the rubber strips, and then placing the collected rubber strips at the preset position on the mold, the production efficiency of the entire O-ring production process can be effectively improved. Summary of the invention

[0004] Based on this, the present invention provides a rubber strip feeding and swinging plate mechanism, comprising a frame, and a conveying device, a strip cutting device and a swinging plate device arranged on the frame in sequence from front to back; the conveying device comprises a conveyor belt arranged on the frame, the upper surface of the conveyor belt is horizontal, forming a conveying surface, and the conveying direction of the conveying surface is from front to back; the strip cutting device comprises a support platform fixedly arranged on the frame, the support platform is located at the rear side of the conveyor belt, the upper surface of the support platform is flush with the conveying surface to form a support surface, and the rear end of the support surface is arranged along the left and right direction to form a cutting edge, the strip cutting device also comprises a cutter which is liftably arranged on the frame, and the blade of the cutter is longitudinally aligned with the cutting edge; the swinging plate device comprises a first placing plate fixedly arranged on the frame, the first placing plate is located at the rear side of the support plate, The surface is horizontal, forming a first placement surface, and the horizontal height of the first placement surface is lower than the horizontal height of the supporting surface; the first placement board is provided with a plurality of long strip-shaped windows which penetrate the board longitudinally, the windows are arranged along the front-to-back direction, and the windows are arranged in sequence along the left-to-right direction; the swing plate device also includes a push plate, the push plate includes a mounting strip which can be movably arranged on the frame forward and backward, the mounting strip is arranged along the left-to-right direction and is located below the first placement board, a push rod which is fixedly arranged perpendicular to the mounting strip corresponding to the window, the push rod extends upward and passes through the corresponding window, and the part of the push rod which extends above the window forms a pushing portion; the swing plate device also includes a second placement plate and a transfer assembly arranged on the frame, the second placement plate is located behind the first placement plate, and the upper surface of the second placement plate is horizontal to form a second placement surface.

[0005] In the present invention, the rubber strip feeding and panning device is used to cut the strip material, and obtains strip-shaped rubber strips for producing O-rings by cutting along the width direction of the strip material. At the same time, the cut rubber strips can also be panned according to preset positions.

[0006] The present invention provides the following processes for loading, cutting and placing strip materials:

[0007] First, the conveyor belt conveys the strip material backward and continuously conveys the strip material to the strip cutting device. Then, when the strip material is conveyed to the cutting edge of the strip cutting device, the cutter moves downward to cut off the portion of the strip material that exceeds the cutting edge from the strip material to obtain a rubber strip. At the same time, the cut rubber strip will fall onto the first placement plate. Then, the mounting strip drives the pushing part to push backward a preset distance to push the rubber strip on the first placement plate to a preset position. Then, the transfer component grabs the rubber strip on the first placement plate and places the rubber strip one by one in sequence at each preset position on the second placement plate until the second placement plate is full of rubber strips.

[0008] In the present invention, the conveying surface of the conveyor belt is used to convey the strip material so as to continuously supply the strip material to the strip cutting device. When the strip material is conveyed to the strip cutting device, the strip material can be cut by moving the cutter downward to obtain a rubber strip, wherein, since the blade of the cutter is aligned with the cutting edge, the cut rubber strip will fall onto the first placement plate. At this time, the rubber strip can be pushed to a preset position on the first placement plate by the pushing part, so that the transfer component can grab the rubber strip on the first placement plate, thereby facilitating the transfer component to transfer the rubber strips that fall onto the first placement plate to the second placement plate one by one, and place them according to the preset position, wherein, after the rubber strips are fully placed on the second placement plate, they are transferred to the corresponding mold according to the current placement position, so that all the rubber strips can be placed at the corresponding positions on the mold at the same time, so that the mold can press the O-ring. It can be seen that the rubber strip feeding and plating device of the present invention can simultaneously complete the cutting and plating operations of the rubber strips. Compared with the traditional method of first using a cutting device to cut and collect the rubber strips, and then placing the collected rubber strips at a preset position on the mold, it can effectively improve the production efficiency of the entire O-ring production process.

[0009] Furthermore, the transfer assembly includes a gripping portion disposed on the frame through an XYZ axis transfer device, the gripping portion includes a first mounting seat and at least two gripping cylinders disposed on the first mounting seat, and the gripping cylinders are arranged along the left-right direction.

[0010] In the present invention, the transfer assembly is used to transfer the rubber strip on the first placement plate to the second placement plate, and place the rubber strip at a preset position on the second placement plate, wherein the clamping cylinder is used to grab the rubber strip. By setting more than two clamping cylinders, the rubber strip can be kept as straight as possible when being grabbed, thereby facilitating the transfer operation of the rubber strip.

[0011] Furthermore, a weighing device is provided on the frame, and the weighing device includes a long placement slot, which is arranged along the left and right direction, and is located between the first placement plate and the second placement plate, and the placement slot is arranged on the frame through a weighing sensor.

[0012] In the present invention, the weighing device is used to weigh the rubber strips obtained by slitting, so as to detect whether the width of the rubber strips meets the requirements through the weight of the rubber strips. When weighing the rubber strips, the transfer component needs to first place the rubber strips in the placement groove, and then place them on the second placement plate after the weight test is qualified. Preferably, a plurality of passing gaps can be machined on the placement groove, and the passing gaps are composed of notches on the side walls on the front and rear sides of the placement groove, so as to facilitate the clamping claw cylinder to place and grab the rubber strips in the placement groove through the passing gaps.

[0013] Furthermore, a collection box is fixedly provided on the frame, and the collection box is located below the first placement plate. A conveying channel connected to the collection box is formed at the top of the collection box, and the upper end of the conveying channel extends to between the first placement plate and the placement groove; the conveying channel is fixedly provided on the frame, and the front side edge of the top end of the conveying channel also abuts against the rear end edge of the lower surface of the first placement plate.

[0014] In the present invention, the width of the conveying channel in the left-right direction is not less than the length of the rubber strip. When the weighing sensor measures that the weight of the rubber strip in the placement groove is unqualified, the transfer component re-grabs the rubber strip and moves forward slightly, and transfers the rubber strip to the top of the conveying channel. The rubber strip can be sent into the collection box through the conveying channel to complete the collection of unqualified rubber strips.

[0015] The weighing process of the rubber strip in the present invention is as follows:

[0016] After the transfer component grabs the rubber strip from the first placement plate, it places the rubber strip in the placement groove and then releases the grip on the rubber strip. At this time, the weighing sensor can measure the weight of the rubber strip in the placement groove. If the weight of the rubber strip meets the requirements, the transfer component grabs the rubber strip from the placement groove and places the rubber strip at the preset position on the second placement plate. Otherwise, the rubber strip is transferred to the top of the conveying channel and thrown into the conveying channel below.

[0017] In the present invention, the conveying channel is fixedly arranged on the frame, and the front edge of the top end thereof also abuts against the edge of the lower surface of the first placement plate. Therefore, the conveying channel can also play a role of supporting the first placement plate. Under the premise of ensuring the stability of the first placement plate, the setting of the supporting structure of the first placement plate can be reduced, thereby achieving the purpose of simplifying the supporting structure of the first placement plate and reducing its space occupancy and material consumption. Preferably, the front edge of the top end of the conveying channel is fixedly connected to the rear end edge of the lower surface of the first placement plate.

[0018] In addition, in the present invention, the first placement plate, the conveying channel and the placement groove are arranged in sequence along the front-to-back direction, and the distance that the transfer component needs to move when transferring the rubber strip between the first placement plate, the conveying channel and the placement groove is extremely small. It can be seen that the arrangement structure of the first placement plate, the conveying channel and the placement groove can greatly reduce the range that the moving path of the transfer component needs to cover while ensuring that the transfer component can successfully complete the transfer operation, that is, it can simplify the structure of the XYZ-axis transfer device, and reduce its space occupancy and material usage.

[0019] Furthermore, a first photoelectric sensor for detecting the rubber strip is provided in the conveying channel. The first photoelectric sensor is provided at the middle position of the top end of the conveying channel, and its transmitting end and receiving end are respectively provided on the front side wall and the rear side wall of the conveying channel.

[0020] In the present invention, the first photoelectric sensor in the conveying channel is used to detect whether the rubber strip falls into the conveying channel.

[0021] In the present invention, when the transfer component throws the rubber strip into the conveying channel, it is necessary to loosen the clamping of the rubber strip by the clamping cylinder twice. During the process: during the first loosening, the clamping cylinder located at the far left or far right end is retained to clamp the rubber strip, and the other clamping cylinders are loosened. Then, if the first photoelectric sensor detects the passage of the rubber strip, a second loosening is performed, so that the cylinder that remains clamped loosens the clamping of the rubber strip. At this time, it can be ensured that the rubber strip is thrown into the conveying channel. If the first photoelectric sensor does not detect the passage of the rubber sleeve during the first loosening, it indicates that the rubber strip has not fallen into the conveying channel, and the second loosening is not performed. Preferably, if the first photoelectric sensor does not detect the passage of the rubber sleeve during the first loosening, a prompt, such as a sound warning, can also be issued to prompt the operator.

[0022] Furthermore, a sensor component is provided on the left or right side of the conveying channel, and the sensor component includes a mounting block fixedly provided on the frame, and the upper surface of the mounting block is horizontal to form a mounting surface. The sensor component also includes a second photoelectric sensor fixedly provided on the mounting surface to detect the position of the rubber strip.

[0023] In the present invention, the second photoelectric sensor includes a transmitting end and a receiving end mounted on the mounting surface. When the rubber strip is located between the transmitting end and the receiving end, the receiving end cannot receive the signal sent by the transmitting end, thereby detecting the existence of the rubber strip.

[0024] In the present invention, the process of the sensor component detecting the position of the rubber strip is as follows:

[0025] If the sensing component is located on the left side of the conveying channel: first, the transferring component moves the left end of the rubber strip to between the transmitting end and the receiving end of the sensor, so that the rubber strip blocks the signal transmitted from the transmitting end to the receiving end, and then the transferring component moves the rubber strip to the right, and when the left end of the rubber strip leaves the area between the transmitting end and the receiving end, the receiving end re-receives the signal from the transmitting end, and at this time, the position of the left end of the rubber strip is detected; similarly, when the sensing component is located on the right side of the conveying channel, the sensing component can detect the position of the right end of the rubber strip, that is, in the present invention, the sensing component can determine the position of the rubber strip grasped by the transferring component by detecting the position of the left or right end of the rubber strip, and can facilitate the transferring component to place the rubber strip at a preset position on the second placement plate according to the current position of the rubber strip.

[0026] Among them, the transmitting end and the receiving end of the sensor are installed on a horizontal mounting surface. Therefore, when detecting the end position of the rubber strip, the lower surface of the rubber strip can be attached to the mounting surface between the transmitting end and the receiving end to avoid the end of the rubber strip from bending downward due to gravity, thereby ensuring the accuracy of the detection of the end position of the rubber strip.

[0027] Furthermore, sensor components are provided on the left side and the rear side of the conveying channel.

[0028] In the present invention, the sensor components on the left and right sides of the conveying channel can be used to detect the position of the rubber strip, and at the same time, can also be used to detect the length of the rubber strip. The detection process is as follows: first, the distance L between the sensors on both sides of the conveying channel is measured, and then the transfer component moves the left end of the rubber strip to between the transmitting end and the receiving end of the sensor, so that the rubber strip blocks the signal transmitted from the transmitting end to the receiving end, and then the transfer component moves to the right with the rubber strip. When the left end of the rubber strip leaves between the transmitting end and the receiving end, the receiving end receives the signal from the transmitting end again, and the position of the rubber strip at this time is set as the initial position. Then, the transfer component continues to move to the right for a fixed distance a, so that the right end of the rubber strip is located at the conveying channel. Between the transmitting end and the receiving end of the sensor on the right side of the channel, then the transfer component moves to the left, and stops when the receiving end receives the signal from the transmitting end again. The position of the rubber strip at this time is set as the end position, and the distance b that the transfer component moves the rubber strip to the left is recorded. At this time, the position of the right end of the rubber strip when it is at the end position can be measured, and the length of the rubber strip is: L-(ab), so that it can be detected whether the length of the rubber strip meets the requirements, and it is convenient for the transfer component to place the rubber strip to the preset position on the second placement plate according to the end point of the rubber strip. If it meets the requirements, continue to the next step and transfer the rubber strip to the second placement plate for placement, otherwise, throw the rubber strip into the conveying channel. Among them, when performing position detection and length detection on the rubber strip, it is necessary to make the lower surface of the rubber strip fit on the mounting surface of the sensor component to prevent the end of the rubber strip from bending downward due to gravity, so as to ensure the accuracy of the detection process of the rubber strip.

[0029] Furthermore, the conveying device also includes a limit plate group, which includes limit plates arranged on the left and right sides of the conveyor belt, and the limit plates extend toward one end of the conveying surface to the top of the conveying surface to form a limit portion, and the lower surface of the limit portion is horizontal to form a fitting surface, and the fitting surface fits the conveying surface and is slidably arranged with the conveying surface. The side surface of the limit portion facing the other limit portion is perpendicular to the conveying surface and is arranged along the front-to-back direction to form a limit surface.

[0030] In the present invention, when the conveyor belt conveys the strip material, the limiting surface on the limiting part can limit the left and right sides of the strip material, which can avoid the strip material from swinging left and right when being conveyed, thereby ensuring the uniformity of the shape and size of the cut rubber strips.

[0031] Furthermore, the conveyor belt includes two driving rollers rotatably arranged on the frame and a conveyor belt, preferably a mesh belt, which is sleeved on the two driving rollers and driven and linked to the two driving rollers. The portion of the conveyor belt located above the two driving rollers forms a conveying portion, and the conveying surface is formed on the upper surface of the conveying portion; the conveying device also includes a leveling roller group, the leveling roller group includes an upper leveling roller and a lower leveling roller, the lower leveling roller is arranged along the left and right directions and is rotatably arranged on the frame, and the lower leveling roller is located on the conveyor belt The inner side is in contact with the lower surface of the conveying part, the upper leveling roller is parallel to the lower leveling roller and is located above the lower leveling roller, and connecting shafts coaxial with the upper leveling roller are fixedly provided at both ends of the upper leveling roller, and support plates are provided on the frame corresponding to the connecting shafts at both ends of the upper leveling roller, and a vertical groove and a horizontal groove are provided on the support plate for accommodating the connecting shaft. The horizontal groove is located at the rear side of the vertical groove and is connected to the top end of the vertical groove, and the end of the horizontal groove away from the vertical groove is recessed downward to form a accommodating pit.

[0032] In the present invention, the leveling roller group is used to press the strip material on the conveyor belt onto the conveyor belt, so that the strip material and the conveyor belt always keep in contact with each other, thereby further ensuring that the shape and size of the rubber strips obtained by slitting are the same.

[0033] In the present invention, the lower leveling roller is rotatably arranged on the frame through a bearing structure, and the upper leveling roller is rotatably installed on the frame through mounting shafts and support plates at both ends thereof, wherein when the connecting shaft of the upper leveling roller is located in the vertical groove, it can move freely up and down, so that it can be pressed on the strip material, and then the strip material is pressed on the conveyor belt to keep it close to the conveyor belt; wherein, when the strip material needs to be replaced, the upper leveling roller can be prevented from affecting the replacement of the strip material by inserting the connecting shaft of the upper leveling roller into the receiving pit on the horizontal groove.

[0034] In addition, the present invention also provides a feeding and swinging plate device, comprising a mounting base, on which at least two of the above-mentioned rubber strip feeding and swinging plate mechanisms are mounted, and the feeding and swinging plate mechanisms are arranged along the left-right direction; and further comprising a gantry, which is arranged across the mounting base along the left-right direction, and the gantry is provided with a grabbing assembly through an XYZ-axis transfer device, and the grabbing assembly comprises a second mounting seat, on which a horizontal mounting plate and a pressure plate are arranged, the mounting plate and the pressure plate are arranged up and down, and the pressure plate is movably arranged on the second mounting seat up and down; a plurality of pin groups are arranged at the bottom of the mounting plate, the pin groups are arranged along the left-right direction, the pin groups include a plurality of pins, the pins in the pin groups are arranged along the front-back direction, and a slot for the pin group to pass through is provided on the pressure plate corresponding to the pin group.

[0035] In the present invention, the frame of the rubber strip feeding and swinging plate mechanism can also be used as its mounting structure to mount it on the mounting base.

[0036] In the present invention, the grabbing assembly is used to grab the rubber strip placed on the second placement plate and move it to the mold to press the O-ring, wherein the pins arranged at the bottom of the mounting plate are used to be inserted into the rubber strip to achieve the grabbing of the rubber strip, so that all the rubber strips on the second placement plate can be grabbed at one time. After the grabbing assembly transfers the rubber strip to the corresponding position on the mold, the rubber strip is pressed against the mold by moving the pressing plate downward, and then the grabbing assembly is moved up and the pressing plate is moved down at the same speed, so that the rubber strip can be separated from the pin group and remain on the mold, thereby completing the transfer of the rubber strip.

[0037] The principle and effect of the present invention are further described below in combination with the above technical solutions and the accompanying drawings:

[0038] In the present invention, the conveying surface of the conveyor belt is used to convey the strip material so as to continuously supply the strip material to the strip cutting device. When the strip material is conveyed to the strip cutting device, the strip material can be cut by moving the cutter downward to obtain a rubber strip, wherein, since the blade of the cutter is aligned with the cutting edge, the cut rubber strip will fall onto the first placement plate. At this time, the rubber strip can be pushed to a preset position on the first placement plate by the pushing part, so that the transfer component can grab the rubber strip on the first placement plate, thereby facilitating the transfer component to transfer the rubber strips that fall onto the first placement plate to the second placement plate one by one, and place them according to the preset position, wherein, after the rubber strips are fully placed on the second placement plate, they are transferred to the corresponding mold according to the current placement position, so that all the rubber strips can be placed at the corresponding positions on the mold at the same time, so that the mold can press the O-ring. It can be seen that the rubber strip feeding and plating device of the present invention can simultaneously complete the cutting and plating operations of the rubber strips. Compared with the traditional method of first using a cutting device to cut and collect the rubber strips, and then placing the collected rubber strips at a preset position on the mold, it can effectively improve the production efficiency of the entire O-ring production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 The structure diagram of the rubber strip feeding and swinging plate mechanism according to the embodiment of the present invention is shown in FIG. Figure 1 ;

[0040] Figure 2 for Figure 1 A partial enlarged view of

[0041] Figure 3 The structure diagram of the rubber strip feeding and swinging plate mechanism according to the embodiment of the present invention is shown in FIG. Figure 2 ;

[0042] Figure 4 for Figure 3 A partial enlarged view of

[0043] Figure 5 The structure diagram of the rubber strip feeding and swinging plate mechanism according to the embodiment of the present invention is shown in FIG. Figure 3 ;

[0044] Figure 6 for Figure 5 A partial enlarged view of

[0045] Figure 7 The structure diagram of the feeding and placing device according to the embodiment of the present invention is shown in FIG. Figure 1 ;

[0046] Figure 8 The structure diagram of the feeding and placing device according to the embodiment of the present invention is shown in FIG. Figure 2 ;

[0047] Fig. 9 for Figure 8A partial enlarged view of

[0048] Fig.10 The structure diagram of the feeding and placing device according to the embodiment of the present invention is shown in FIG. Figure 3 ;

[0049] Fig.11 for Fig.10 A partial enlarged view of .

[0050] Reference numerals

[0051] 1-frame, 2-conveying device, 211-conveying surface, 221-limiting plate, 222-limiting part, 2221-limiting surface, 231-upper leveling roller, 2311-connecting shaft, 232-supporting plate, 2321-vertical groove, 2322-horizontal groove, 2323-accommodating pit, 3-strip cutting device, 31-supporting table, 311-cutting edge, 32-cutting knife, 4-plate swinging device, 41-first placing plate, 411 -opening window, 412-pushing part, 42-second placing plate, 431-first mounting seat, 432-gripping cylinder, 51-placing slot, 511-passing gap, 52-weighing sensor, 61-conveying channel, 71-mounting surface, 72-second photoelectric sensor, 8-mounting base, 9-gantry, 91-grabbing assembly, 911-second mounting seat, 912-mounting plate, 913-pressing plate, 9131-passing slot. DETAILED DESCRIPTION

[0052] In order to facilitate understanding by those skilled in the art, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments:

[0053] like Figure 1-6, a rubber strip feeding and swinging plate mechanism, comprising a frame 1, and a conveying device 2, a strip cutting device 3 and a swinging plate device 4 arranged on the frame 1 from front to back; the conveying device 2 comprises a conveyor belt arranged on the frame 1, the upper surface of the conveyor belt is horizontal, forming a conveying surface 211, and the conveying direction of the conveying surface 211 is from front to back; the strip cutting device 3 comprises a support platform 31 fixedly arranged on the frame 1, the support platform 31 is located at the rear side of the conveyor belt, the upper surface of the support platform 31 is flush with the conveying surface 211, forming a support surface, the rear end of the support surface is arranged along the left and right direction, forming a cutting edge 311, the strip cutting device 3 also comprises a cutter 32 movably arranged on the frame 1, the blade of the cutter 32 is longitudinally aligned with the cutting edge 311; the swinging plate device 4 comprises a first placement plate 41 fixedly arranged on the frame 1, the first placement plate 41 is located at the rear side of the support platform 31, the first placement plate 41 The surface of is horizontal, forming a first placement surface, and the horizontal height of the first placement surface is lower than the horizontal height of the supporting surface; the first placement plate 41 is provided with a plurality of long strip-shaped windows 411 which penetrate the first placement plate 41 longitudinally, the windows 411 are arranged along the front-to-back direction, and the windows 411 are arranged in sequence along the left-to-right direction; the swing plate device 4 also includes a push plate, the push plate includes a mounting strip which can be movably arranged on the frame 1 forward and backward, the mounting strip is arranged along the left-to-right direction and is located below the first placement plate 41, a push rod which is fixedly arranged perpendicular to the window 411 on the mounting strip corresponding to the window 411, the push rod extends upward and passes through the corresponding window 411, and the part of the push rod extending to the top of the window 411 forms a pushing portion 412; the swing plate device 4 also includes a second placement plate 42 and a transfer assembly arranged on the frame 1, the second placement plate 42 is located behind the first placement plate 41, and the upper surface of the second placement plate 42 is horizontal to form a second placement surface.

[0054] In the present invention, the rubber strip feeding and panning device 4 is used to cut the strip material. By cutting along the width direction of the strip material, strip-shaped rubber strips for producing O-rings are obtained. At the same time, the cut rubber strips can also be panned according to preset positions.

[0055] The present invention provides the following processes for loading, cutting and placing strip materials:

[0056] First, the conveyor belt conveys the strip material backward and continuously conveys the strip material to the strip cutting device 3. Then, when the strip material is conveyed to the cutting edge 311 of the strip cutting device 3, the cutter 32 moves downward to cut off the portion of the strip material that exceeds the cutting edge 311 from the strip material to obtain a rubber strip. At the same time, the cut rubber strip will fall onto the first placement plate 41. Then, the mounting strip drives the pushing part 412 to push backward a preset distance to push the rubber strip on the first placement plate 41 to a preset position. Then, the transfer component grabs the rubber strip on the first placement plate 41 and places the rubber strips one by one in sequence at each preset position on the second placement plate 42 until the second placement plate 42 is full of rubber strips.

[0057] In the present invention, the conveying surface 211 of the conveyor belt is used to convey the strip material to continuously supply the strip material to the strip cutting device 3. When the strip material is conveyed to the strip cutting device 3, the strip material can be cut by moving the cutter 32 downward to obtain a rubber strip. Since the blade of the cutter 32 is aligned with the cutting edge 311, the cut rubber strip will fall onto the first placement plate 41. At this time, the rubber strip can be pushed to the preset position on the first placement plate 41 by the pushing part 412, so that the transfer component can grab the rubber strip on the first placement plate 41, thereby facilitating the transfer component to transfer the rubber strips that fall onto the first placement plate 41 to the second placement plate 42 one by one, and place them according to the preset position. After the rubber strips are fully placed on the second placement plate 42, they are transferred to the corresponding mold according to the current placement position, so that all the rubber strips can be placed at the corresponding positions on the mold at the same time, so that the mold can press the O-ring. It can be seen that the rubber strip feeding and plating device 4 of the present invention can simultaneously complete the cutting and plating operations of the rubber strips. Compared with the traditional method of first using a cutting device to cut and collect the rubber strips, and then placing the collected rubber strips at a preset position on the mold, it can effectively improve the production efficiency of the entire O-ring production process.

[0058] In one embodiment, the transfer assembly includes a gripping portion disposed on the frame 1 through an XYZ axis transfer device, the gripping portion includes a first mounting seat 431 and at least two gripping cylinders 432 disposed on the first mounting seat 431, and the gripping cylinders 432 are arranged along the left and right directions.

[0059] In this embodiment, the transfer assembly is used to transfer the rubber strip on the first placement plate 41 to the second placement plate 42, and place the rubber strip at a preset position on the second placement plate 42, wherein the clamping cylinder 432 is used to grab the rubber strip. By setting more than two clamping cylinders 432, the rubber strip can be kept as straight as possible when being grabbed, thereby facilitating the transfer operation of the rubber strip.

[0060] In one embodiment, a weighing device is further provided on the frame 1, and the weighing device includes a long placement slot 51, and the placement slot 51 is arranged along the left and right direction. The placement slot 51 is located between the first placement plate 41 and the second placement plate 42, and the placement slot 51 is arranged on the frame 1 through a weighing sensor 52.

[0061] In this embodiment, the weighing device is used to weigh the rubber strips obtained by slitting, so as to detect whether the width of the rubber strips meets the requirements through the weight of the rubber strips. When weighing the rubber strips, the transfer assembly needs to first place the rubber strips in the placement groove 51, and then place them on the second placement plate 42 after the weight test is qualified. Preferably, a plurality of through gaps 511 can be processed on the placement groove 51, and the through gaps 511 are composed of notches on the side walls of the placement groove 51 on both sides, so as to facilitate the clamping claw cylinder 432 to place and grab the rubber strips in the placement groove 51 through the through gaps 511.

[0062] In one embodiment, a collection box is fixedly provided on the frame 1, and the collection box is located below the first placement plate 41. A conveying channel 61 connected to the collection box is formed at the top of the collection box, and the upper end of the conveying channel 61 extends to between the first placement plate 41 and the placement groove 51; the conveying channel 61 is fixedly provided on the frame 1, and the front side edge of the top end of the conveying channel 61 also abuts against the rear end edge of the lower surface of the first placement plate 41.

[0063] In this embodiment, the width of the conveying channel 61 in the left and right directions is not less than the length of the rubber strip. When the weighing sensor 52 measures that the weight of the rubber strip in the placement groove 51 is unqualified, the transfer component re-grabs the rubber strip and moves forward slightly, and transfers the rubber strip to the top of the conveying channel 61. The rubber strip can then be sent into the collection box through the conveying channel 61, completing the collection of unqualified rubber strips.

[0064] The weighing process of the rubber strip in this embodiment is as follows:

[0065] After the transfer component grabs the rubber strip from the first placement plate 41, it places the rubber strip in the placement groove 51, and then releases the grip on the rubber strip. At this time, the weighing sensor 52 can measure the weight of the rubber strip in the placement groove 51. If the weight of the rubber strip meets the requirements, the transfer component grabs the rubber strip from the placement groove 51 and places the rubber strip at a preset position on the second placement plate 42. Otherwise, the rubber strip is transferred to the top of the conveying channel 61 and thrown into the conveying channel 61 below.

[0066] In this embodiment, the conveying channel 61 is fixedly arranged on the frame 1, and the front edge of the top end thereof also abuts against the edge of the lower surface of the first placement plate 41. Therefore, the conveying channel 61 can also support the first placement plate 41 at the same time. On the premise of ensuring the stability of the first placement plate 41, the setting of the supporting structure of the first placement plate 41 can be reduced, thereby achieving the purpose of simplifying the supporting structure of the first placement plate 41 and reducing its space occupancy and material consumption. Preferably, the front edge of the top end of the conveying channel 61 is fixedly connected to the rear end edge of the lower surface of the first placement plate 41.

[0067] In addition, in the present embodiment, the first placement plate 41, the conveying channel 61 and the placement groove 51 are arranged in sequence along the front-to-back direction, and the distance that the transfer component needs to move when transferring the rubber strip between the first placement plate 41, the conveying channel 61 and the placement groove 51 is extremely small. It can be seen that the arrangement structure of the first placement plate 41, the conveying channel 61 and the placement groove 51 can greatly reduce the range that the moving path of the transfer component needs to cover while ensuring that the transfer component can successfully complete the transfer operation, that is, it can simplify the structure of the XYZ-axis transfer device, and reduce its space occupancy and material usage.

[0068] In one embodiment, a first photoelectric sensor for detecting the rubber strip is further provided in the conveying channel 61. The first photoelectric sensor is provided at the middle position of the top end of the conveying channel 61, and the transmitting end and the receiving end thereof are respectively provided on the front side wall and the rear side wall of the conveying channel 61.

[0069] In this embodiment, the first photoelectric sensor in the conveying channel 61 is used to detect whether the rubber strip falls into the conveying channel 61 .

[0070] In this embodiment, when the transfer component throws the rubber strip into the conveying channel 61, it is necessary to loosen the clamping of the rubber strip by the clamping cylinder 432 twice. During the process: during the first loosening, the clamping cylinder 432 located at the far left or far right end is retained to clamp the rubber strip, and the other clamping cylinders 432 are loosened. Then, if the first photoelectric sensor detects the passage of the rubber strip, a second loosening is performed, so that the cylinder that remains clamped loosens the clamping of the rubber strip. At this time, it can be ensured that the rubber strip is thrown into the conveying channel 61. If the first photoelectric sensor does not detect the passage of the rubber sleeve during the first loosening, it indicates that the rubber strip has not fallen into the conveying channel 61, and the second loosening is not performed. Preferably, if the first photoelectric sensor does not detect the passage of the rubber sleeve during the first loosening, a prompt, such as a sound warning, can also be issued to prompt the operator.

[0071] In one embodiment, a sensor component is further provided on the left or right side of the conveying channel 61, and the sensor component includes a mounting block fixedly provided on the frame 1, and the upper surface of the mounting block is horizontal to form a mounting surface 71, and the sensor component also includes a second photoelectric sensor 72 fixedly provided on the mounting surface 71 for detecting the position of the rubber strip.

[0072] In this embodiment, the second photoelectric sensor 72 includes a transmitter and a receiver mounted on the mounting surface 71. When the rubber strip is located between the transmitter and the receiver, the receiver cannot receive the signal sent by the transmitter, thereby detecting the presence of the rubber strip.

[0073] In this embodiment, the process of the sensor component detecting the position of the rubber strip is as follows:

[0074] If the sensing component is located on the left side of the conveying channel 61: first, the transferring component moves the left end of the rubber strip to between the transmitting end and the receiving end of the sensor, so that the rubber strip blocks the signal transmitted from the transmitting end to the receiving end, and then the transferring component moves the rubber strip to the right, and when the left end of the rubber strip leaves the area between the transmitting end and the receiving end, the receiving end re-receives the signal from the transmitting end, and at this time, the position of the left end of the rubber strip is detected; similarly, when the sensing component is located on the right side of the conveying channel 61, the sensing component can detect the position of the right end of the rubber strip, that is, in the present invention, the sensing component can determine the position of the rubber strip grasped by the transferring component by detecting the position of the left end or the right end of the rubber strip, and can facilitate the transferring component to place the rubber strip at a preset position on the second placement plate 42 according to the current position of the rubber strip.

[0075] Among them, the transmitting end and the receiving end of the sensor are installed on a horizontal mounting surface 71. Therefore, when detecting the end position of the rubber strip, the lower surface of the rubber strip can be attached to the mounting surface 71 between the transmitting end and the receiving end to avoid the end of the rubber strip from bending downward due to gravity, thereby ensuring the accuracy of the detection of the end position of the rubber strip.

[0076] In one embodiment, sensor components are disposed on the left side and the rear side of the conveying channel 61 .

[0077] In this embodiment, the sensor components on the left and right sides of the conveying channel 61 can be used to detect the position of the rubber strip, and at the same time, can also be used to detect the length of the rubber strip. The detection process is as follows: first, the distance L between the sensors on both sides of the conveying channel 61 is measured, and then the transfer component moves the left end of the rubber strip to between the transmitting end and the receiving end of the sensor, so that the rubber strip blocks the signal transmitted from the transmitting end to the receiving end, and then the transfer component moves to the right with the rubber strip. When the left end of the rubber strip leaves between the transmitting end and the receiving end, the receiving end re-receives the signal from the transmitting end, and the position of the rubber strip at this time is set as the initial position. Then, the transfer component continues to move to the right a fixed distance a, so that the right end of the rubber strip is located in the conveying channel. 61 between the transmitting end and the receiving end of the right sensor, then the transfer component moves to the left, stops when the receiving end receives the signal from the transmitting end again, sets the position of the rubber strip at this time as the end position, and records the distance b that the transfer component moves the rubber strip to the left. At this time, the position of the right end of the rubber strip when it is at the end position can be measured, and the length of the rubber strip is: L-(ab), so that it can be detected whether the length of the rubber strip meets the requirements, and it is convenient for the transfer component to place the rubber strip at the preset position on the second placement plate 42 according to the end point of the rubber strip. If it meets the requirements, continue to the next step and transfer the rubber strip to the second placement plate 42 for placement, otherwise, throw the rubber strip into the conveying channel 61. Among them, when performing position detection and length detection on the rubber strip, it is necessary to make the lower surface of the rubber strip fit on the mounting surface 71 of the sensor component to prevent the end of the rubber strip from bending downward due to gravity, so as to ensure the accuracy of the detection process of the rubber strip.

[0078] In one embodiment, the conveying device 2 also includes a group of limit plates 221, and the group of limit plates 221 includes limit plates 221 arranged on the left and right sides of the conveyor belt, and the limit plates 221 extend toward one end of the conveying surface 211 to the top of the conveying surface 211 to form a limit portion 222, and the lower surface of the limit portion 222 is horizontal to form a fitting surface, and the fitting surface fits the conveying surface 211 and is slidably arranged with the conveying surface 211. The limit portion 222 is perpendicular to the conveying surface 211 and is arranged along the front-to-back direction on one side side of the other limit portion 222 to form a limit surface 2221.

[0079] In this embodiment, when the conveyor belt conveys the strip material, the limiting surface 2221 on the limiting portion 222 can limit the left and right sides of the strip material, thereby preventing the strip material from swinging left and right when being conveyed, thereby ensuring the uniformity of the shape and size of the cut rubber strips.

[0080] In one embodiment, the conveyor belt includes two driving rollers rotatably arranged on the frame 1 and a conveyor belt mounted on the two driving rollers and drivingly connected to the two driving rollers, preferably a grid belt, the portion of the conveyor belt located above the two driving rollers forms a conveying portion, and the conveying surface 211 is formed on the upper surface of the conveying portion; the conveying device 2 also includes a leveling roller group, the leveling roller group includes an upper leveling roller 231 and a lower leveling roller, the lower leveling roller is arranged along the left and right directions and is rotatably arranged on the frame 1, the lower leveling roller is located on the inner side of the conveyor belt and abuts against the lower surface of the conveying portion, the upper leveling roller 231 Parallel to the lower leveling roller and located above the lower leveling roller, connecting shafts 2311 coaxial with the upper leveling roller 231 are fixedly provided at both ends of the upper leveling roller 231, and support plates 232 are provided on the frame 1 corresponding to the connecting shafts 2311 at both ends of the upper leveling roller 231, and the support plate 232 is provided with a vertical groove 2321 and a horizontal groove 2322 for accommodating the connecting shaft 2311, the horizontal groove 2322 is located at the rear side of the vertical groove 2321 and is connected to the top end of the vertical groove 2321, and the horizontal groove 2322 is recessed downward at one end away from the vertical groove 2321 to form a accommodating pit 2323.

[0081] In this embodiment, the leveling roller group is used to press the strip material on the conveyor belt tightly against the conveyor belt so that the strip material and the conveyor belt always keep in contact with each other, thereby further ensuring that the shape and size of the cut rubber strips are the same.

[0082] In this embodiment, the lower leveling roller is rotatably arranged on the frame 1 through a bearing structure, and the upper leveling roller 231 is rotatably installed on the frame 1 through the mounting shafts and support plates 232 at both ends thereof, wherein when the connecting shaft 2311 of the upper leveling roller 231 is located in the vertical groove 2321, it can move freely up and down, so that it can be pressed on the strip material, and then the strip material is pressed on the conveyor belt to keep it close to the conveyor belt; wherein, when the strip material needs to be replaced, by inserting the connecting shaft 2311 of the upper leveling roller 231 into the receiving pit 2323 on the transverse groove 2322, it can be avoided that the upper leveling roller 231 affects the replacement of the strip material.

[0083] In addition, the present invention also provides a feeding and placing device, such as Figure 7-11, including a mounting base 8, on which at least two of the above-mentioned rubber strip feeding swing plate mechanisms are installed, and the feeding swing plate mechanisms are arranged along the left-right direction; also including a gantry 9, which is arranged across the mounting base 8 along the left-right direction, and a grab assembly 91 is arranged on the gantry 9 through an XYZ axis transfer device, and the grab assembly 91 includes a second mounting seat 911, and a horizontal mounting plate 912 and a pressure plate 913 are arranged on the second mounting seat 911, and the mounting plate 912 and the pressure plate 913 are arranged up and down, and the pressure plate 913 can be movably arranged on the second mounting seat 911 up and down; a plurality of pin groups are arranged at the bottom of the mounting plate 912, and the pin groups are arranged along the left-right direction. The pin groups include a plurality of pins, and the pins in the pin groups are arranged along the front-back direction. A through groove 9131 for the pin group to pass through is opened on the pressure plate 913 corresponding to the pin group.

[0084] In the present invention, the frame 1 of the rubber strip feeding and swinging plate mechanism can also be used as its mounting structure, and the frame 1 is mounted on the mounting base 8.

[0085] In the present invention, the grabbing component 91 is used to grab the rubber strip placed on the second placement plate 42 and bring it to the mold for pressing the O-ring, wherein the pins arranged at the bottom of the mounting plate 912 are used to be inserted into the rubber strip to achieve the grabbing of the rubber strip, so that all the rubber strips on the second placement plate 42 can be grabbed at one time, and after the grabbing component 91 transfers the rubber strip to the corresponding position on the mold, the rubber strip is pressed against the mold by moving the pressing plate 913 downward, and then the grabbing component 91 and the pressing plate 913 are moved upward and downward at the same speed, so that the rubber strip can be separated from the pin group and remain on the mold, thereby completing the transfer of the rubber strip.

[0086] The above embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for those of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A rubber strip feeding and panning mechanism, characterized in that: The machine comprises a frame, and a conveying device, a strip cutting device and a swinging plate device which are sequentially arranged on the frame from front to back; the conveying device comprises a conveyor belt arranged on the frame, the upper surface of the conveyor belt is horizontal, forming a conveying surface, and the conveying direction of the conveying surface is from front to back; the strip cutting device comprises a support platform fixedly arranged on the frame, the support platform is located at the rear side of the conveyor belt, the upper surface of the support platform is flush with the conveying surface to form a support surface, and the rear end of the support surface is arranged along the left and right directions to form a cutting edge, the strip cutting device also comprises a cutter which is liftably arranged on the frame, and the blade of the cutter is longitudinally aligned with the cutting edge; the swinging plate device comprises a first placing plate fixedly arranged on the frame, the first placing plate is located at the rear side of the support platform, the surface of the first placing plate is horizontal, forming a first A placement surface, and the horizontal height of the first placement surface is lower than the horizontal height of the supporting surface; the first placement plate is provided with a plurality of long strip-shaped windows which penetrate the first placement plate longitudinally, the windows are arranged along the front-to-back direction, and the windows are arranged in sequence along the left-to-right direction; the swing plate device also includes a push plate, the push plate includes a mounting strip which can be movably arranged on the frame forward and backward, the mounting strip is arranged along the left-to-right direction and is located below the first placement plate, a push rod which is fixedly arranged perpendicular to the mounting strip corresponding to the window, the push rod extends upward and passes through the corresponding window, and the part of the push rod extending above the window forms a pushing portion; the swing plate device also includes a second placement plate and a transfer assembly arranged on the frame, the second placement plate is located behind the first placement plate, and the upper surface of the second placement plate is horizontal to form a second placement surface.

2. A rubber strip feeding and swinging plate mechanism according to claim 1, characterized in that: The transfer assembly includes a gripping portion arranged on the frame through an XYZ axis transfer device, the gripping portion includes a first mounting seat and at least two gripping cylinders arranged on the first mounting seat, and the gripping cylinders are arranged along the left and right directions.

3. A rubber strip feeding and swinging plate mechanism according to claim 2, characterized in that: The frame is also provided with a weighing device, which includes a long placement slot, which is arranged along the left and right directions, and is located between the first placement plate and the second placement plate, and the placement slot is arranged on the frame through a weighing sensor.

4. A rubber strip feeding and swinging plate mechanism according to claim 3, characterized in that: A collection box is also provided on the frame, and the collection box is located below the first placement plate. A conveying channel connected to the collection box is formed at the top of the collection box, and the upper end of the conveying channel extends to between the first placement plate and the placement groove; the conveying channel is fixedly provided on the frame, and the front side edge of the top end of the conveying channel also abuts against the rear end edge of the lower surface of the first placement plate.

5. A rubber strip feeding and swinging plate mechanism according to claim 4, characterized in that: A first photoelectric sensor for detecting the rubber strip is also provided in the conveying channel. The first photoelectric sensor is provided at the middle position of the top end of the conveying channel, and its transmitting end and receiving end are respectively provided on the front side wall and the rear side wall of the conveying channel.

6. A rubber strip feeding and swinging plate mechanism according to claim 5, characterized in that: A sensor assembly is also provided on the left or right side of the conveying channel, and the sensor assembly includes a mounting block fixedly provided on the frame, and the upper surface of the mounting block is horizontal to form a mounting surface. The sensor assembly also includes a second photoelectric sensor fixedly provided on the mounting surface to detect the position of the rubber strip.

7. A rubber strip feeding and swinging plate mechanism according to claim 6, characterized in that: The left side and the rear side of the conveying channel are both provided with sensor components.

8. The rubber strip feeding and swinging plate mechanism according to claim 1, characterized in that: The conveying device also includes a limit plate group, which includes limit plates arranged on the left and right sides of the conveyor belt, the limit plates extend toward one end of the conveying surface to the top of the conveying surface to form a limit portion, the lower surface of the limit portion is horizontal to form a fitting surface, the fitting surface fits the conveying surface and is slidably arranged with the conveying surface, and the side surface of the limit portion facing the other limit portion is perpendicular to the conveying surface and is arranged along the front-rear direction to form a limit surface.

9. A rubber strip feeding and swinging plate mechanism according to claim 8, characterized in that: The conveyor belt includes two driving rollers rotatably arranged on the frame and a conveyor belt sleeved on the two driving rollers and driven and linked to the two driving rollers, the portion of the conveyor belt located above the two driving rollers forms a conveying portion, and the conveying surface is formed on the upper surface of the conveying portion; the conveying device also includes a leveling roller group, the leveling roller group includes an upper leveling roller and a lower leveling roller, the lower leveling roller is arranged along the left and right directions and is rotatably arranged on the frame, the lower leveling roller is located on the inner side of the conveyor belt and abuts against The lower surface of the conveying part, the upper leveling roller is parallel to the lower leveling roller and is located above the lower leveling roller, and connecting shafts coaxial with the upper leveling roller are fixedly provided at both ends of the upper leveling roller, and support plates are provided on the frame corresponding to the connecting shafts at both ends of the upper leveling roller, and the support plates are provided with vertical grooves and horizontal grooves for accommodating the connecting shafts, the horizontal grooves are located at the rear side of the vertical grooves and are connected to the top ends of the vertical grooves, and the end of the horizontal groove away from the vertical grooves is recessed downward to form a accommodating pit.

10. A feeding and placing device, characterized in that: The invention comprises a mounting base, on which at least two rubber strip feeding swing plate mechanisms as described in any one of claims 1 to 9 are mounted, and the feeding swing plate mechanisms are arranged along the left-right direction; the invention also comprises a gantry, which is arranged across the mounting base along the left-right direction, and a grabbing assembly is arranged on the gantry through an XYZ-axis transfer device, and the grabbing assembly comprises a second mounting seat, on which a horizontal mounting plate and a pressure plate are arranged, and the mounting plate and the pressure plate are arranged up and down, and the pressure plate is movably arranged on the second mounting seat up and down; a plurality of pin groups are arranged at the bottom of the mounting plate, and the pin groups are arranged along the left-right direction, and the pin groups comprise a plurality of pins, and the pins in the pin groups are arranged along the front-back direction, and a slot for the pin groups to pass through is provided on the pressure plate corresponding to the pin groups.

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