Drilling equipment is used in prestressed anchorage utensil production
Technical Field
The utility model belongs to the technical field of prestressed anchorage utensil production, especially, relate to a drilling equipment is used in prestressed anchorage utensil production.
Background
The prestressed anchorage is an anchorage for prestressed concrete stretching in engineering construction. Generally, the method is frequently used in bridge construction, the positioning is carried out in advance, and then concrete is poured and buried at two ends of the concrete. The prestressed anchor comprises an anchor ring and a clamping piece, wherein the anchor ring needs to be drilled in the machining process. When present anchor ring drilling machining, adopt three-jaw chuck to press from both sides tightly anchor ring usually, have clamping inefficiency, intensity of labour is big, and on the other hand when driling, beat a hole at every turn usually, it is inefficient to punch to need constantly to adjust the processing position at the in-process of drilling, waste time and energy, be difficult to satisfy large batch production and processing.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a drilling equipment is used in prestressed anchorage utensil production that compact structure, job stabilization, degree of automation are high, low in labor strength, simple operation, clamping are efficient, drilling efficiency is high.
In order to solve the technical problem, the utility model adopts the following technical scheme: a drilling device for producing a prestressed anchor comprises a workbench, wherein two vertically through cavities are oppositely formed in the workbench, lead screws are respectively and rotatably connected in the two cavities, movable plates are respectively and threadedly connected to the two lead screws, the front and rear sides of each movable plate are slidably connected with the workbench through sliders, clamping blocks are respectively and fixedly connected to the two movable plates, a driving mechanism for driving the two lead screws to rotate is arranged at the bottom of the workbench, a material carrying table is fixedly connected to the center of the workbench, a plurality of supporting columns are fixedly connected to the top surface array of the material carrying table, a base located on one side of the material carrying table is fixedly arranged on the workbench, a threaded column is vertically and rotatably connected to the base, a first forward and reverse rotation motor for driving the threaded column to rotate is arranged at the bottom of the base, a mounting frame located on one side of the threaded column is fixedly connected to the base, and the top end of the threaded column is rotatably connected to the mounting frame, threaded connection has the movable block on the screw thread post, and the horizontal fixedly connected with mount in movable block one side, the movable block opposite side slide along vertical direction and set up on the mounting bracket, and the mount bottom sets up the drill bit mechanism that is located the material platform top of carrying.
The driving mechanism comprises a second positive and negative rotating motor arranged at the center of the bottom of the workbench, a first central gear is arranged on a power output shaft of the second positive and negative rotating motor, two sides of the lower part of the workbench are respectively and rotatably connected with a transmission shaft, first transmission gears in meshing transmission connection with the first central gear are respectively arranged on the two transmission shafts, driving bevel gears are respectively arranged at the tops of the two transmission shafts, and driven bevel gears corresponding to and in meshing transmission connection with the driving bevel gears are respectively arranged at one ends of the two lead screws.
The drill bit mechanism comprises a mounting seat which is arranged at the bottom of the fixing frame in a transverse sliding mode, a driving motor is arranged on the upper portion of the mounting seat, a power output shaft of the driving motor is connected with a central shaft in a transmission mode, four connecting shafts are evenly and rotatably connected in the mounting seat along the circumferential direction, a second central gear is arranged in the middle of the central shaft, second transmission gears which are in meshing transmission connection with the second central gear are respectively arranged in the middle of the four connecting shafts, the size and the number of teeth of the second central gear and each second transmission gear are the same, and the lower ends of the central shaft and the four connecting shafts all extend downwards out of the mounting seat and are provided with connecting drill bits.
The limiting mechanism is arranged above the workbench and comprises a connecting frame fixedly arranged above the workbench, a cylinder is respectively installed on two sides of the connecting frame, a piston rod end portion of the cylinder is fixedly connected with a pressing plate, limiting grooves are respectively formed in two sides of the top surface of each clamping block, and limiting blocks matched with the limiting grooves in the clamping blocks are fixedly connected to the bottom surfaces of the pressing plates.
The fixing frame is characterized in that a mounting plate is fixedly connected to one side of the fixing frame, an electric push rod is transversely mounted on the mounting plate, and the end part of a piston rod of the electric push rod is fixedly connected to the side part of the mounting seat.
By adopting the technical scheme, when the utility model is used, an anchor ring to be drilled is placed on a support column of a material carrying platform, the rotation of a second positive and negative rotation motor is controlled, the first central gear and first transmission gears on two sides are engaged for transmission to respectively drive two transmission shafts to rotate, the two transmission shafts are engaged for transmission with corresponding driven bevel gears through a driving bevel gear on the top respectively, so as to respectively drive two lead screws to rotate, a movable plate is connected with each lead screw through screw threads, the movable plate is connected on the workbench in a sliding manner, the freedom degree of the movable plate in the circumferential direction is limited, the lead screws are rotated and simultaneously drive the movable plate to move along the length direction of the lead screws, so that two clamping blocks are close to each other until the anchor ring is clamped, the piston rods of two cylinders are controlled to extend out at the moment, the pressure plate is driven to move downwards, and a limit block at the bottom of the pressure plate extends into a limit groove on the corresponding clamping block, thereby limiting the clamping block, completing the clamping of the anchor ring, then controlling the first positive and negative rotation motor to drive the threaded column to rotate, because the movable block is connected on the threaded column in a threaded manner, and the side part of the movable block is arranged on the mounting frame in a sliding manner, the freedom degree of the movable block in the circumferential direction is limited, and when the threaded column rotates, driving the movable block and the fixed frame to move vertically, so that each connecting drill bit is close to the anchor ring on the material loading platform, while moving vertically, the electric push rod can be controlled to push the mounting seat to slide transversely along the fixing frame, so that each connecting drill bit is aligned with the anchor ring, the driving motor is controlled to drive the central shaft to rotate, the central shaft synchronously drives each connecting shaft to rotate through the meshing transmission of the second central gear and each second transmission gear, enabling each connecting drill bit to rotate respectively, and drilling the anchor ring in the downward moving process; by adopting the structure, the anchor ring can be automatically clamped, the clamping efficiency is greatly improved, the labor intensity is low, the drilling is completed by one-time processing through a plurality of connecting drill bits, and the drilling efficiency is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic top view of two clamping blocks of the present invention;
fig. 3 is a schematic structural diagram of a drill mechanism according to the present invention;
fig. 4 is a schematic view of a transmission structure in the mounting seat of the present invention.
Detailed Description
As shown in figures 1-4, the drilling device for prestressed anchorage device production of the present invention comprises a workbench 1, two vertically through cavities are oppositely arranged on the workbench 1, two screw rods 2 are respectively rotatably connected in the two cavities, two movable plates 3 are respectively connected to the two screw rods 2 by screw threads, the front and rear sides of the movable plate 3 are slidably connected to the workbench 1 through sliders, two clamp blocks 4 are respectively fixedly connected to the two movable plates 3, a driving mechanism for driving the two screw rods 2 to rotate is arranged at the bottom of the workbench 1, the driving mechanism comprises a second forward and reverse rotation motor 5 installed at the center of the bottom of the workbench 1, a first central gear 6 is installed on a power output shaft of the second forward and reverse rotation motor 5, two transmission shafts 7 are respectively rotatably connected to two sides of the lower portion of the workbench 1, and a first transmission gear 8 engaged with the first central gear 6 is installed on the two transmission shafts 7, the tops of the two transmission shafts 7 are respectively provided with a driving bevel gear 9, and one ends of the two screw rods 2 are respectively provided with a driven bevel gear 10 correspondingly connected with the driving bevel gear 9 in a meshing transmission way; a material carrying platform 11 is fixedly connected to the center of the workbench 1, a plurality of support columns 12 are fixedly connected to the top surface array of the material carrying platform 11, a limiting mechanism is arranged above the workbench 1 and comprises a connecting frame 13 fixedly arranged above the workbench 1, two sides of the connecting frame 13 are respectively provided with a cylinder 14, the end part of a piston rod of each cylinder 14 is fixedly connected with a pressing plate 15, two sides of the top surface of each clamping block 4 are respectively provided with a limiting groove 16, the bottom surface of each pressing plate 15 is fixedly connected with a limiting block 17 matched with the limiting grooves 16 on the clamping blocks 4, the workbench 1 is fixedly provided with a base 18 positioned on one side of the material carrying platform 11, a threaded column 19 is vertically and rotatably connected to the base 18, the bottom of the base 18 is provided with a first forward and reverse rotation motor 20 for driving the threaded column 19 to rotate, the base 18 is fixedly connected with a mounting frame 21 positioned on one side of the threaded column 19, the top end of the threaded column 19 is rotatably connected to the mounting frame 21, the threaded column 19 is in threaded connection with a movable block 22, one side of the movable block 22 is transversely and fixedly connected with a fixed frame 23, the other side of the movable block 22 is arranged on an installation frame 21 in a sliding mode along the vertical direction, a drill bit mechanism arranged above the material loading platform 11 is arranged at the bottom of the fixed frame 23 and comprises an installation seat 24 transversely arranged at the bottom of the fixed frame 23 in a sliding mode, a driving motor 25 is arranged at the upper portion of the installation seat 24, a power output shaft of the driving motor 25 is in transmission connection with a central shaft 26, four connecting shafts 27 are uniformly and rotatably connected in the installation seat 24 along the circumferential direction, a second central gear 28 is arranged in the middle of the central shaft 26, second transmission gears 29 which are in meshing transmission connection with the second central gear 28 are respectively arranged in the middle of the four connecting shafts 27, the second central gear 28 and each second transmission gear 29 have the same size and number of teeth, the lower ends of the central shaft 26 and the four connecting shafts 27 extend downwards out of the installation seat 24 and are provided with connecting bits 30, one side of the fixing frame 23 is fixedly connected with an installation plate 31, an electric push rod 32 is transversely installed on the installation plate 31, and the end part of a piston rod of the electric push rod 32 is fixedly connected with the side part of the installation seat 24.
When the utility model is used, the anchor ring to be drilled is placed on the support post 12 of the material loading platform 11, the second positive and negative rotation motor 5 is controlled to rotate, the first central gear 6 and the first transmission gears 8 on two sides are engaged for transmission to respectively drive the two transmission shafts 7 to rotate, the two transmission shafts 7 are engaged for transmission with the corresponding driven bevel gears 10 through the driving bevel gear 9 on the top respectively, so as to respectively drive the two lead screws 2 to rotate, the thread on each lead screw 2 is connected with the movable plate 3, the movable plate 3 is connected on the workbench 1 in a sliding way, the freedom degree of the movable plate in the circumferential direction is limited, the movable plate 3 is driven to move along the length direction of the lead screws 2 while the lead screws 2 rotate, so that the two clamping blocks 4 are close to each other until the anchor ring is clamped, the piston rods of the two air cylinders 14 are controlled to extend out at the moment, the pressing plate 15 is driven to move downwards, the limiting block 17 at the bottom of the pressing plate 15 extends into the limiting groove 16 on the corresponding clamping block 4, thereby limiting the clamping block 4, completing clamping of the anchor ring, then controlling the first forward and reverse rotation motor 20 to drive the threaded post 19 to rotate, because the movable block 22 is in threaded connection with the threaded post 19, and the side part of the movable block 22 is slidably arranged on the mounting frame 21, limiting the degree of freedom of the movable block 22 in the circumferential direction, while the threaded post 19 rotates, driving the movable block 22 and the fixing frame 23 to vertically move, so that each connecting drill bit 30 is close to the anchor ring on the material loading platform 11, while moving vertically, the controllable electric push rod 32 can push the mounting seat 24 to transversely slide along the fixing frame 23, so that each connecting drill bit 30 aligns with the anchor ring, controlling the driving motor 25 to drive the central shaft 26 to rotate, the central shaft 26 synchronously drives each connecting shaft 27 to rotate through the meshing transmission of the second central gear 28 and each second transmission gear 29, so that each connecting drill bit 30 rotates respectively, thereby drilling the anchor ring in the downward moving process; by adopting the structure, the anchor ring can be automatically clamped, the clamping efficiency is greatly improved, the labor intensity is low, the drilling is finished by one-time processing through the plurality of connecting drill bits 30, and the drilling efficiency is greatly improved.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.