Novel encoder positioning and connecting mechanism

Abstract

The utility model relates to a novel encoder positioning connecting mechanism, which comprises two encoder driving devices, a tensioning device, a synchronous belt or a chain and an encoder, the two encoder driving devices are respectively arranged at the front end and the rear end, the encoder is arranged on the encoder driving device at the rear end, and the tensioning device is arranged on the synchronous belt or the chain. The two encoder driving devices are connected through a synchronous belt or a chain, the tensioning device is installed between the two encoder driving devices, and the tensioning device is in contact with the synchronous belt or the chain. By the adoption of the encoder positioning and connecting mechanism, under the condition that the length of a flatcar is insufficient, the problem of positioning the flatcar and a die assembly screw in the pipe die assembly process can be solved. And automatic production of automatically detecting the positions of the flatcar and the pipe die screw and automatically tightening the pipe die screw is realized by matching with automatic equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the pipe pile production line table front moulding field of prefabricated pile industry, especially relates to the pipe mould bolt automatic tightening field, and specifically points to a kind of new encoder positioning connection mechanism. BACKGROUND

[0002] At present, in the pipe pile production process, manual hand-held air gun is used to stand on the both sides of flat car, sleeve is sleeved into pipe mould bolt and tightened by observing screw position by human eye.Another kind of automatic equipment determines the position of pipe mould bolt by the hard limiting form of sleeve pipe mould running wheel.

[0003] The defects of prior art are: (1) the labor intensity of on-site manual work is large; (2) the whole process relies on manual determination, lacks data communication, and the degree of automation is low; (3) the sleeve cannot be accurately sleeved into the nut cap when the deviation between the screw position and the running wheel position occurs, because the screw position is positioned by the way of sleeve running wheel, and the machining precision of pipe mould and bolt hole is high. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of the prior art, and provides a new encoder positioning connection mechanism which satisfies automation, is simple in structure and is widely applicable.

[0005] In order to achieve the above-mentioned purpose, the new encoder positioning connection mechanism of the utility model is as follows:

[0006] The new encoder positioning connection mechanism, which mainly has the following characteristics, comprises two encoder driving devices, a tensioning device, a synchronous belt or chain and an encoder, the two encoder driving devices are arranged at the front end and the rear end respectively, the encoder is installed on the encoder driving device at the rear end, the two encoder driving devices are connected by the synchronous belt or chain, and the tensioning device is installed between the two encoder driving devices and contacts the synchronous belt or chain.

[0007] Preferably, the encoder driving device comprises an encoder pit bottom plate, a mounting bottom plate, an intermediate fixed plate, a support shaft, a linear bearing, an extension spring, a bearing seat connecting plate, a single bearing seat, a connecting shaft, a follower wheel, a first synchronous belt pulley or sprocket, a bearing seat mounting plate, a support seat, a telescopic universal joint, a second synchronous belt pulley or sprocket, a transition driven shaft and an encoder synchronous belt or chain.

[0008] The encoder pit bottom plate is fixed to the ground of the pit through chemical anchor bolts, the mounting bottom plate is installed above the encoder pit bottom plate, the intermediate fixing plate is connected to the mounting bottom plate through four support shafts, the linear bearing is installed on the intermediate fixing plate, the linear bearing is installed above the telescopic spring, the bearing seat connecting plate is connected to the intermediate fixing plate through two guide shafts and two telescopic springs, the two single bearing seats are installed on the bearing seat connecting plate, and the positions of the two single bearing seats are opposite, the two single bearing seats are respectively installed at the two ends of the connecting shaft, the follower wheel and the first synchronous pulley or sprocket pass through the connecting shaft and are installed together, the two bearing seat installation plates are respectively installed below the bearing seat connecting plate and above the intermediate fixing plate, and the positions of the two bearing seat installation plates are opposite, the support seat is installed above the bearing seat installation plate, the transition driven shafts pass through the support seats on the two bearing seat installation plates and are connected through telescopic universal joints, the second synchronous pulley or sprocket is further installed on the transition driven shaft, the first synchronous pulley or sprocket and the synchronous pulley or sprocket on the same side are connected through the encoder synchronous belt or chain, and the synchronous pulley or sprocket on the other side is connected with the other end encoder driving device through the synchronous belt or chain.

[0009] Preferably, the device is installed in the pit below the flat car track, when the flat car reaches the position of the encoder driving device, the bottom of the flat car contacts the encoder driving device, the follower wheel of the encoder driving device is pressed down by the flat car, the follower wheel of the encoder driving device starts to rotate and transmits the rotation to the encoder mounting end through the synchronous belt or chain, when the flat car reaches the position of the encoder driving device, the bottom of the flat car contacts the encoder driving device, the follower wheel of the encoder driving device is pressed down by the flat car, the follower wheel of the encoder driving device and the follower wheel of the encoder driving device rotate synchronously, after the follower wheel of the encoder driving device is separated from the flat car, the follower wheel of the encoder driving device still contacts the bottom of the flat car, and the follower wheel of the encoder driving device rotates.

[0010] Preferably, the encoder driving device and the encoder are installed below the flat car, the follower wheel contacts the flat car track surface, the follower wheel rotates during the movement of the flat car, and the rotation is transmitted to the encoder mounting end.

[0011] The novel encoder positioning and connecting mechanism of the utility model can solve the problems of flat car and mold screw positioning during mold combining under the condition that the length of the flat car is insufficient, realizes automatic detection of the positions of the flat car and the mold screw in cooperation with automatic equipment, and realizes automatic production of automatic screw tightening of the mold screw. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1The utility model discloses a three -dimensional structure schematic diagram of novel encoder positioning connection mechanism.

[0013] Figure 2 The utility model discloses a side view schematic diagram of novel encoder positioning connection mechanism.

[0014] Figure 3 The utility model discloses a structure schematic diagram of encoder driving device of novel encoder positioning connection mechanism.

[0015] Reference signs:

[0016] 1 encoder driving device

[0017] 2 tensioning device

[0018] 3 synchronous belt or chain

[0019] 4 encoder

[0020] 5 encoder pit bottom plate

[0021] 6 chemical anchor bolt

[0022] 7 installation bottom plate

[0023] 8 intermediate fixed plate

[0024] 9 support shaft

[0025] 10 linear bearing

[0026] 12 telescopic spring

[0027] 13 bearing seat connecting plate

[0028] 14 single bearing seat

[0029] 15 connecting shaft

[0030] 16 follow-up wheel

[0031] 17 first synchronous pulley or sprocket

[0032] 18 bearing seat installation plate

[0033] 19 support seat

[0034] 20 telescopic universal joint

[0035] 21 second synchronous pulley or sprocket

[0036] 22 transition driven shaft

[0037] 23 encoder synchronous belt or chain DETAILED DESCRIPTION

[0038] In order to make the technical content of the utility model clearer, further description will be made in combination with specific embodiments.

[0039] The novel encoder positioning and connecting mechanism comprises two encoder driving devices 1, a tensioning device 2, a synchronous belt or chain 3 and an encoder 4, the two encoder driving devices 1 are arranged at the front end and the rear end respectively, the encoder 4 is installed on the encoder driving device 1 at the rear end, the two encoder driving devices 1 are connected through the synchronous belt or chain 3, and the tensioning device 2 is installed in the middle of the two encoder driving devices 1 and is in contact with the synchronous belt or chain 3.

[0040] As a preferred embodiment of the utility model, the encoder driving device 1 comprises an encoder pit bottom plate 5, a mounting bottom plate 7, an intermediate fixed plate 8, a support shaft 9, a linear bearing 10, an extension spring 12, a bearing seat connecting plate 13, a single bearing seat 14, a connecting shaft 15, a follow-up wheel 15, a first synchronous belt wheel or sprocket 17, a bearing seat mounting plate 18, a support seat 19, a telescopic universal joint 20, a second synchronous belt wheel or sprocket 21, a transition driven shaft 22 and an encoder synchronous belt or chain 23.

[0041] The encoder pit bottom plate 5 is fixed to the ground of the pit through the chemical anchor bolt 6, the mounting bottom plate 7 is installed above the encoder pit bottom plate 5, the intermediate fixed plate 8 is connected to the mounting bottom plate 7 through four support shafts 9, the linear bearing 10 is installed on the intermediate fixed plate 8, the extension spring 12 is installed above the linear bearing 10, the bearing seat connecting plate 13 is connected to the intermediate fixed plate 8 through two guide shafts and two extension springs 12, the two single bearing seats 14 are installed on the bearing seat connecting plate 13, and the positions of the two single bearing seats 14 are opposite, the two single bearing seats 14 are respectively installed at the two ends of the connecting shaft 15, the follow-up wheel 16 and the first synchronous belt wheel or sprocket 17 pass through the connecting shaft 15 and are installed together, the two bearing seat mounting plates 18 are one installed below the bearing seat connecting plate 13 and the other installed above the intermediate fixed plate 8, and the positions of the two bearing seat mounting plates 18 are opposite, the support seat 19 is installed above the bearing seat mounting plate 18, the transition driven shaft 21 passes through the support seats 19 on the two bearing seat mounting plates 18 respectively and is connected through the telescopic universal joint 20, the second synchronous belt wheel or sprocket 21 is further installed on the transition driven shaft 22, the first synchronous belt wheel or sprocket 17 and the second synchronous belt wheel or sprocket 21 on the same side are connected through the encoder synchronous belt or chain 23, and the second synchronous belt wheel or sprocket 21 on the other side is connected with the other end encoder driving device 1 through the synchronous belt or chain 3.

[0042] As the preferred embodiment of the utility model, the device is installed in the pit below the flat car track, when the flat car reaches the pit position, the bottom of the flat car contacts the encoder drive device 1 at the front end, the follow-up wheel 16 of the encoder drive device 1 at the front end is pressed down by the flat car, the follow-up wheel 16 of the encoder drive device 1 at the front end starts to rotate and transmits the rotation to the rear encoder mounting end through the synchronous belt or chain 3, when the flat car reaches the position of the encoder drive device 1 at the rear end, the bottom of the flat car contacts the encoder drive device 1 at the rear end, the follow-up wheel 16 of the encoder drive device 1 at the rear end is pressed down by the flat car, the follow-up wheel 16 of the encoder drive device 1 at the front end and the follow-up wheel 16 of the encoder drive device 1 at the rear end rotate synchronously, after the follow-up wheel 16 of the encoder drive device 1 at the front end is separated from the flat car, the follow-up wheel 16 of the encoder drive device 1 at the rear end still contacts the bottom of the flat car, and the follow-up wheel 16 of the encoder drive device 1 at the rear end rotates.

[0043] As the preferred embodiment of the utility model, the encoder drive device 1 and the encoder 4 are installed below the flat car, the follow-up wheel 16 contacts the track surface of the flat car, the follow-up wheel 16 rotates during the movement of the flat car and transmits the rotation to the encoder mounting end.

[0044] In the specific implementation manner of the utility model, mainly aiming at the precast pile industry pipe pile production line front process, the actual application of automatic screw tightening of the pipe mold after mold closing on the flat car, mainly solving the screw positioning problem of the pipe mold during mold closing, cooperating with the automatic equipment, realizing the automation of the pipe mold mold closing screw tightening station, realizing the detection of the flat car position, and further realizing the detection of the pipe mold screw position.

[0045] In order to solve the problem of automatic positioning of the screw during mold closing and realize the automatic production of the pipe mold screw tightening station, the structure scheme of the encoder drive device 1 is adopted, the visual system is combined, and the screw position is detected.

[0046] The components of the mechanism include: an encoder drive device 1, a tensioning device 2, a connecting synchronous belt or chain 3 and an encoder 4. Figure 1 and Figure 2 As shown in the drawings, the mechanism mainly includes four parts, wherein the encoder drive device 1 is installed at the front end and the rear end, and there are two sets in total, the encoder 4 is installed on the encoder drive device 1 at the rear end, the encoder drive devices 1 at the front end and the rear end are connected through the synchronous belt or chain 3, so that any one of the encoder drive devices 1 can drive the encoder 4 to rotate when rotating. The tensioning device 2 is installed in the middle of the two sets of encoder drive devices 1, and the main function is to tension the synchronous belt or chain.

[0047] The whole device is installed in the pit under the flat car track, the flat car is driven forward by friction wheel, when the flat car reaches the pit position, the bottom of the flat car first contacts with the encoder drive device 1 at the front end, at this time the follow-up wheel 16 is pressed down by the flat car. The elastic component is installed below the encoder drive device 1, through the extension and contraction of the elastic component, the follow-up wheel 16 can be ensured to contact with the bottom surface of the flat car during the movement of the flat car, the elastic component here refers to the extension spring.

[0048] The flat car continues to move forward, the follow-up wheel 16 starts to rotate, and the transmission is transmitted to the encoder drive device 1 at the rear end through the synchronous belt or chain 3, so that the encoder 4 starts to collect the position information of the flat car. The flat car continues to move forward, when the flat car reaches the position of the encoder drive device 1 at the rear end, the follow-up wheel 16 of the encoder drive device 1 at the rear end is pressed down by the flat car, the follow-up wheel 16 of the encoder drive device 1 at the rear end starts to rotate, at this time the follow-up wheel 16 of the encoder drive device 1 at the front end and the follow-up wheel 16 of the encoder drive device 1 at the rear end rotate synchronously, and the encoder 4 normally collects the position information of the flat car.

[0049] The flat car continues to move forward, after the follow-up wheel 16 of the encoder drive device 1 at the front end is separated from the flat car, the follow-up wheel 16 of the encoder drive device 1 at the rear end is still in contact with the bottom of the flat car, the follow-up wheel 16 of the encoder drive device 1 at the rear end rotates to drive the encoder 4 to collect the position information of the flat car.

[0050] Through such a structure, before the flat car reaches the encoder drive device 1 at the rear end, the encoder 4 has started to collect the position information of the flat car, after the flat car is separated from the encoder drive device 1 at the front end, the encoder 4 can still collect the position information of the flat car through the encoder drive device 1 at the rear end, so as to complete the continuation of the position information collection of the encoder 4.

[0051] As shown in Figure 3 The encoder drive device 1 mainly includes an encoder pit bottom plate 5, a mounting bottom plate 7, a support shaft 9, an intermediate fixed plate 8, a linear bearing 10, a bearing seat connecting plate 13, a connecting shaft 15, a single bearing seat 14, a follow-up wheel 16, a first synchronous belt wheel or chain wheel 17, a synchronous belt or chain, and a telescopic universal joint 20,

[0052] The encoder pit bottom plate 5 is fixed to the pit ground by chemical anchor bolt 6, the mounting bottom plate 7 is installed on the upper part of the encoder pit bottom plate 5, the intermediate fixed plate 8 is connected to the mounting bottom plate 7 by four support shafts 9,

[0053] The linear bearing 10 is installed on the middle fixed plate 8, the bearing seat connecting plate 13 is connected with the middle fixed plate 8 through two guide shafts and two springs, the upper assembly has up and down floating functions, the guide shaft is installed in the middle of the two springs, two single bearing seats 14 are installed on the bearing seat connecting plate 13, the single bearing seat 14, the follow-up wheel 16 and the first synchronous belt wheel or sprocket 17 are installed together through the connecting shaft 15, two bearing seat installation plates 18 are installed below the bearing seat connecting plate 13 and above the middle fixed plate 8 respectively and oppositely, the support seat 19 is installed above the bearing seat installation plate 18, the transition driven shaft 22 passes through the two side support seats 19 respectively and is connected through the telescopic universal joint 20, the second synchronous belt wheel or sprocket 21 is installed on the transition driven shaft 22, and the synchronous belt wheel or sprocket is connected with the first synchronous belt wheel or sprocket 17 at the follow-up wheel 16 through the encoder synchronous belt or chain 23, so that the rotation of the follow-up wheel 16 is finally transmitted to the output end synchronous belt wheel or chain.

[0054] In the alternative of the embodiment of the utility model, the improved version of the encoder driving device 1 can be installed below the flat car together with the encoder 4, the follow-up wheel 16 is in contact with the flat car track surface, the follow-up wheel 16 rotates during the movement of the flat car and is transmitted to the encoder 4 to collect the flat car position information. This scheme needs to arrange the encoder 4 tow chain wire slot, and the whole flat car movement length reaches more than 20 meters, so that the requirements of the tow chain and space layout are higher.

[0055] The utility model is no power traction, mainly relies on the relative friction of the bottom plane of external flat car and follow-up wheel 16 to drive the rotation of follow-up wheel 16, and then detects the position of flat car. The utility model is no power detection, relies on the power of the detected object itself to detect its own position.

[0056] The utility model can drive the rotation of encoder 4 by front and rear driving, and there is no primary and secondary division. Encoder 4 adopts incremental type, and the encoder 4 is used for flat car position detection, picture collection triggering of visual camera and robot end following.

[0057] The utility model is provided with no power elastic expansion device to prevent the unevenness of the bottom of flat car and improve the friction.

[0058] In the utility model, the transmission devices at both ends are consistent, are provided with floating devices and two-stage transmission devices, can effectively absorb vibration and resist the problem of insufficient straightness of the detected object.

[0059] The utility model mainly solves the practical problem that the length of the flat car is insufficient on site and needs to be lengthened, and if the length of the flat car is sufficient, only Figure 3 The single encoder driving device 1 can realize the function of position monitoring.

[0060] Figure 3In the utility model, single encoder driving device 1 can realize flat car position monitoring and triggering of visual image acquisition, after two series, the follow-up wheel 16 of any driving device contacts with the bottom surface of flat car, which can realize the detection of flat car position, and achieve the effect of front and rear traction. The encoder driving device 1 in the utility model has the design of up and down floating structure, which can absorb the up and down vibration of the detection member, and solve the problem of uneven bottom surface of the detection member.

[0061] In addition, the PLC can determine the flat car position information by collecting the encoder pulse signal.

[0062] The visual system of the automation equipment collects the three-dimensional image of the pipe mold bolt by collecting the encoder pulse signal, and identifies the pipe mold bolt position information through internal image algorithm.

[0063] In the process of tightening the pipe mold bolt by the robot system of the automation equipment, the encoder pulse signal is collected to keep the synchronization between the robot end and the current tightening bolt position.

[0064] The specific implementation scheme of the embodiment can be referred to the related description in the above embodiment, which will not be repeated here.

[0065] It can be understood that the same or similar parts in the above embodiments can be mutually referred to, and the contents not described in detail in some embodiments can be referred to the same or similar contents in other embodiments.

[0066] It should be noted that, in the description of the utility model, the terms "first", "second" and the like are only used for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, in the description of the utility model, unless otherwise specified, "a plurality of" means at least two.

[0067] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the description of the present application, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way.

[0068] The novel encoder positioning and connecting mechanism is adopted, in the case of insufficient length of the flat car, the positioning problem of the flat car and the mold screw in the pipe mold assembly process can be solved. The flat car and the pipe mold screw position are automatically detected by cooperating with the automation equipment. The pipe mold screw is automatically tightened in the automatic production.

[0069] In this specification, the present application has been described with reference to specific embodiments thereof. It is, however, apparent that various modifications and changes can be made thereto without departing from the spirit and scope of the present application. Therefore, the specification and drawings should be considered in an illustrative, and not a restrictive, sense.

Claims

1. A novel encoder positioning interface mechanism, characterized by, The mechanism comprises two encoder driving devices, a tensioning device, a synchronous belt or chain and an encoder, the two encoder driving devices are respectively arranged at the front end and the rear end, the encoder is installed on the encoder driving device at the rear end, the two encoder driving devices are connected through the synchronous belt or chain, and the tensioning device is installed between the two encoder driving devices and contacts the synchronous belt or chain.

2. The novel encoder positioning interface mechanism of claim 1, wherein, The encoder driving device comprises an encoder pit bottom plate, a mounting bottom plate, an intermediate fixing plate, a support shaft, a linear bearing, an extension spring, a bearing seat connecting plate, a single bearing seat, a connecting shaft, a follower wheel, a first synchronous belt wheel or chain wheel, a bearing seat mounting plate, a support seat, a telescopic universal joint, a second synchronous belt wheel or chain wheel, a transition driven shaft and an encoder synchronous belt or chain. The encoder pit bottom plate is fixed to the ground of the pit through chemical anchors, the mounting bottom plate is installed above the encoder pit bottom plate, the intermediate fixing plate is connected to the mounting bottom plate through four support shafts, the linear bearing is installed on the intermediate fixing plate, the extension spring is installed above the linear bearing, the bearing seat connecting plate is connected to the intermediate fixing plate through two guide shafts and two extension springs, the two single bearing seats are installed on the bearing seat connecting plate and are opposite to each other, the two single bearing seats are respectively installed at the two ends of the connecting shaft, the follower wheel and the first synchronous belt wheel or chain wheel pass through the connecting shaft and are installed together, the two bearing seat mounting plates are installed below the bearing seat connecting plate and above the intermediate fixing plate and are opposite to each other, the support seat is installed above the bearing seat mounting plate, the transition driven shaft passes through the support seats on the two bearing seat mounting plates and is connected through the telescopic universal joint, the second synchronous belt wheel or chain wheel is installed on the transition driven shaft, the first synchronous belt wheel or chain wheel and the synchronous belt wheel or chain wheel on the same side are connected through the encoder synchronous belt or chain, and the synchronous belt wheel or chain wheel on the other side is connected to the encoder driving device at the other end through the synchronous belt or chain.

3. The novel encoder positioning interface mechanism of claim 1, wherein, The device is installed in the pit below the flat car track, when the flat car reaches the position of the pit, the bottom of the flat car contacts the encoder driving device at the front end, the follower wheel of the encoder driving device at the front end is pressed down by the flat car, the follower wheel of the encoder driving device at the front end starts to rotate and transmits the rotation to the encoder installation end at the rear end, when the flat car reaches the position of the encoder driving device at the rear end, the bottom of the flat car contacts the encoder driving device at the rear end, the follower wheel of the encoder driving device at the rear end is pressed down by the flat car, the follower wheels of the encoder driving devices at the front end and the rear end rotate synchronously, after the follower wheel of the encoder driving device at the front end is separated from the flat car, the follower wheel of the encoder driving device at the rear end still contacts the bottom of the flat car and rotates.

4. The novel encoder positioning interface mechanism of claim 1, wherein, The encoder driving device and the encoder are installed below the flat car, the follower wheel contacts the flat car track surface, the follower wheel rotates during the movement of the flat car and transmits the rotation to the encoder installation end.

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