Vertical machine tool for bolt sleeve machining

Abstract

The utility model relates to the technical field of bolt casing pipe machining, in particular to a vertical machine tool for bolt casing pipe machining, which is characterized by comprising a machining mechanism and is used for bolt casing pipe machining, the machining mechanism comprises a drilling assembly, a drilling assembly and a drilling assembly, the drilling assembly comprises a hollow turntable rotationally mounted at the upper end of a hollow rotating platform, and a vertical frame is fixed in the middle of the interior of the hollow rotating platform; a sliding frame is slidably mounted on the vertical frame, an electric lead screw guide rail is mounted on the vertical frame and used for driving the sliding frame to ascend and descend, a driving gear is rotatably mounted at the upper end in the sliding frame, three transmission gears are rotatably mounted in the sliding frame and are in meshing transmission with the driving gear, three mounting frames are arranged at the lower end of the sliding frame, and drill bits are rotatably mounted in the mounting frames. A universal coupling is mounted between the upper end of the drill bit and the transmission gear; and through multi-station synchronous machining, the production efficiency is improved, continuous production is achieved through automatic feeding and discharging, manual intervention is reduced, and the device is suitable for workpieces of various sizes and has high efficiency, flexibility and stability.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt sleeve processing technical field, specifically is a kind of bolt sleeve processing vertical machine tool. BACKGROUND

[0002] Bolt sleeve is a kind of mechanical parts for reinforcement and protection, usually made of metal material, widely used in construction, bridge, subway and other engineering fields. Its main function is to enhance the connection strength of bolt by sleeving outside bolt, prevent bolt from loosening or damage due to external force; bolt sleeve is usually used with bolt and nut, can provide more stable connection effect under high load or vibration environment;

[0003] According to the search, the publication number: CN213889317U discloses a subway sleeve bolt tail end face processing device, which discloses a subway sleeve bolt tail end face processing device in the prior art, including limiting bearing mechanism and bolt processing mechanism, and the limiting bearing mechanism is connected with the bolt processing mechanism on the outer wall of one side, and has the technical scheme of "connecting a limiting nut with a bolt on the outer side of the connection between the subway sleeve bolt and the L-shaped slide, and the bottom end of the fixed sleeve is inserted into the limiting hole through the telescopic limiting rod, so that the subway sleeve bolt can be inserted into the threaded hole in the upper end of the L-shaped slide during processing, and the limiting nut is tightened, to avoid the relative sliding of the subway sleeve bolt during processing, and to improve the working stability".

[0004] The above-mentioned device has certain automatic function (such as air cylinder and speed reducer motor), but still needs manual intervention in the process of fixing, positioning and adjusting of bolt, especially in the case of needing to process a large number of workpieces quickly, the efficiency may be affected. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of bolt sleeve processing vertical machine tool, through the synchronous processing of multiple stations, improve production efficiency, realize continuous production by automatic feeding and discharging, reduce manual intervention, applicable to a variety of sizes workpieces, with high efficiency, flexibility and stability.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of bolt sleeve processing vertical machine tool, including processing mechanism and being used for bolt sleeve processing, processing mechanism includes:

[0007] The drilling assembly comprises a hollow rotating platform, a hollow turntable rotatably arranged on the upper end of the hollow rotating platform, a stand fixed in the middle of the hollow rotating platform, a sliding frame slidably arranged on the stand, an electric screw rod guide rail arranged on the stand and used for driving the sliding frame to ascend and descend, a driving gear rotatably arranged on the upper end of the sliding frame, three transmission gears rotatably arranged in the sliding frame and in meshing transmission with the driving gear, three mounting frames arranged on the lower end of the sliding frame, drill bits rotatably arranged in the mounting frames, universal couplings arranged between the upper ends of the drill bits and the transmission gears, and a motor arranged on the upper end of the sliding frame and used for driving the driving gear.

[0008] The positioning assembly is arranged on the hollow turntable and used for positioning the workpiece.

[0009] The pick-and-place assembly is arranged on one side of the hollow rotating platform and used for feeding and discharging the workpiece.

[0010] Preferably, the positioning assembly comprises a plurality of tooling tables fixed on the top outer edge of the hollow turntable in a circumferential distribution, and a three-jaw chuck is arranged on the top of each tooling table, and a positioning tool is arranged on the three-jaw chuck and used for positioning the bolt sleeve.

[0011] Preferably, the positioning tool comprises a positioning seat arranged on the three-jaw chuck, and three workpiece holes are arranged on the top of the positioning seat in a circumferential distribution.

[0012] Preferably, the pick-and-place assembly comprises an electric lifting column rotatably arranged on the upper end of one side of the hollow rotating platform, and a feeding telescopic rod and a discharging telescopic rod are fixed to the output end of the electric lifting column, and a feeding manipulator and a discharging manipulator are respectively fixed to the output ends of the feeding telescopic rod and the discharging telescopic rod.

[0013] Preferably, a feeding rotary platform is arranged on each of the front side and the rear side, and a material box is arranged on the feeding rotary platform.

[0014] Preferably, an adjusting frame is fixed to the bottom of the sliding frame, and the mounting frame is fixed to the adjusting frame through bolts. Beneficial effects

[0015] The utility model provides a vertical machine tool for bolt sleeve machining, which has the following beneficial effects compared with the prior art.

[0016] 1. The hollow rotating platform drives the hollow turntable to rotate, so that the hollow turntable sequentially passes through the drilling assembly. The sliding frame is driven to move downward by the electric screw rod guide rail, and the driving gear is driven to rotate by the output end of the motor. The driving gear drives the drill bits to rotate through the transmission gears and the universal couplings, so that the three drill bits drill the three bolt sleeves in the positioning tool one by one, thereby improving the processing efficiency.

[0017] 2, through the output end of the feeding telescopic rod drive feeding manipulator moves, the output end of the discharging telescopic rod drive discharging manipulator moves, and through the electric lifting column control lifting, the first rotary platform control rotation, so that the feeding manipulator can grab the positioning tooling in the front material box and put into the three-jaw chuck, while the discharging manipulator grabs the positioning tooling on the three-jaw chuck and puts into the rear material box, realize continuous production, reduce manual intervention.

[0018] 3, by putting three bolt sleeves into three workpiece holes in the positioning seat respectively, so that three bolt sleeves can be machined at the same time each time, and the positioning tooling is loaded and unloaded together with the three bolt sleeves. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is the structure schematic view of the stand in the utility model;

[0021] Figure 3 It is the structure schematic view of the inside of the carriage in the utility model;

[0022] Figure 4 It is the structure schematic view of the positioning assembly in the utility model;

[0023] Figure 5 It is the structure schematic view of the pick-and-place assembly in the utility model;

[0024] Figure 6 It is the structure schematic view of the positioning tooling in the utility model.

[0025] In the drawing: 1, machining mechanism; 11, drilling assembly; 111, hollow rotary platform; 112, hollow turntable; 113, stand; 114, carriage; 115, electric screw guide rail; 116, driving gear; 117, transmission gear; 118, universal coupling; 119, mounting frame; 1110, drill bit; 1111, motor; 1112, adjusting frame; 12, positioning assembly; 121, tooling table; 122, three-jaw chuck; 123, positioning tooling; 1231, positioning seat; 1232, workpiece hole; 13, pick-and-place assembly; 131, first rotary platform; 132, electric lifting column; 133, feeding telescopic rod; 134, discharging telescopic rod; 135, feeding manipulator; 136, discharging manipulator; 14, feeding rotary platform; 15, material box. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] Please refer to Figure 1 - Figure 6 The utility model provides a kind of technical solutions: a vertical machine tool for bolt sleeve processing, including processing mechanism 1 and being used for bolt sleeve processing, processing mechanism 1 includes:

[0028] Drilling assembly 11, including hollow rotating platform 111 upper end rotationally installed hollow turntable 112, hollow rotating platform 111 inside middle fixed with stand 113, sliding bracket 114 is slidably installed on stand 113, electric screw rod guide 115 is installed on stand 113 and is used to drive sliding bracket 114 to lift, driving gear 116 is rotationally installed in sliding bracket 114 upper end, three transmission gears 117 are rotationally installed in sliding bracket 114 and are meshed with driving gear 116 transmission, three mounting brackets 119 are provided in the lower end of sliding bracket 114, drill bit 1110 is rotationally installed in mounting bracket 119, universal coupling 118 is installed between the upper end of drill bit 1110 and transmission gear 117, motor 1111 is installed on the upper end of sliding bracket 114 and is used to drive driving gear 116;

[0029] Positioning assembly 12 is arranged on hollow turntable 112 and is used for workpiece positioning;

[0030] Pick-and-place assembly 13 is arranged on one side of hollow rotating platform 111 and is used for workpiece feeding and discharging.

[0031] In the embodiment, after positioning tooling 123 containing unprocessed bolt sleeve is placed on three-jaw chuck 122, hollow rotating platform 111 drives hollow turntable 112 to rotate, so that it passes through drilling assembly 11 in turn, and sliding bracket 114 is driven to move downward by electric screw rod guide 115, then driving gear 116 is driven to rotate by the output end of motor 1111, driving gear 116 drives drill bit 1110 to rotate through transmission gear 117 and universal coupling 118, so that three drill bits 1110 drill three bolt sleeves in positioning tooling 123 respectively, improving processing efficiency.

[0032] Specifically, positioning assembly 12 includes a plurality of tooling tables 121 fixed on the top outer periphery of hollow turntable 112, three-jaw chuck 122 is installed on the top of tooling table 121, positioning tooling 123 is arranged on three-jaw chuck 122 and is used for positioning bolt sleeve.

[0033] In this embodiment, when the positioning tool 123 is placed on the three-jaw chuck 122, it is fixed by the clamping jaws of the three-jaw chuck 122 to avoid deviation or vibration during machining.

[0034] Specifically, the positioning tool 123 includes a positioning seat 1231 placed on the three-jaw chuck 122, and three workpiece holes 1232 are arranged on the top of the positioning seat 1231 in a circumferential direction.

[0035] In this embodiment, by placing three bolt sleeves into the three workpiece holes 1232 on the positioning seat 1231, three bolt sleeves can be machined at the same time each time; and the positioning tool 123 is fed and discharged together with the three bolt sleeves.

[0036] Specifically, the pick-and-place assembly 13 includes a first rotary platform 131 fixed on one side of the hollow rotary platform 111, an electric lifting column 132 is rotatably installed on the upper end of the first rotary platform 131, and an upper feeding telescopic rod 133 and a lower feeding telescopic rod 134 are fixed on the output end of the electric lifting column 132, and an upper feeding manipulator 135 and a lower feeding manipulator 136 are fixed on the output ends of the upper feeding telescopic rod 133 and the lower feeding telescopic rod 134, respectively.

[0037] In this embodiment, the output end of the upper feeding telescopic rod 133 drives the upper feeding manipulator 135 to move, the output end of the lower feeding telescopic rod 134 drives the lower feeding manipulator 136 to move, and the electric lifting column 132 controls the lifting, and the first rotary platform 131 controls the rotation, so that the upper feeding manipulator 135 can grab the positioning tool 123 in the front magazine 15 and place it on the three-jaw chuck 122, and at the same time, the lower feeding manipulator 136 grabs the positioning tool 123 on the three-jaw chuck 122 and places it in the rear magazine 15, realizing continuous production and reducing manual intervention.

[0038] Specifically, two feeding rotary platforms 14 are placed on the front and rear sides of the first rotary platform 131, and a magazine 15 is placed on each feeding rotary platform 14.

[0039] In this embodiment, two groups of feeding rotary platforms 14 and magazines 15 are arranged on the front and rear sides of the pick-and-place assembly 13, the front is used to place unprocessed, and the rear is used to place processed, realizing the classification storage of unprocessed and processed workpieces, and facilitating management.

[0040] Specifically, the bottom of the sliding frame 114 is fixed with an adjusting frame 1112, and the mounting frame 119 is fixed on the adjusting frame 1112 by bolts.

[0041] In this embodiment, the mounting frame 119 is fixed at different positions on the adjusting frame 1112, so as to adjust the distance between each drill bit 1110, thereby enhancing the versatility of the equipment.

[0042] The working principle and use process of the utility model: first, the output end of the feeding telescopic rod 133 drives the feeding mechanical hand 135 to move, the output end of the discharging telescopic rod 134 drives the discharging mechanical hand 136 to move, and the electric lifting column 132 is controlled to lift, the first rotary platform 131 controls rotation, so that the feeding mechanical hand 135 can grab the positioning tooling 123 in the front material box 15 and put it on the three-jaw chuck 122, and the discharging mechanical hand 136 grabs the positioning tooling 123 on the three-jaw chuck 122 and puts it into the rear material box 15, realizes continuous production and reduces manual intervention;

[0043] Then, when the positioning tooling 123 is placed on the three-jaw chuck 122, it is fixed by the clamping jaw of the three-jaw chuck 122 to avoid deviation or vibration during processing; the hollow rotary platform 111 drives the hollow turntable 112 to rotate, so that it passes through the drilling assembly 11 in turn, and the carriage 114 is driven to move downward by the electric screw rod guide rail 115, and the output end of the motor 1111 drives the driving gear 116 to rotate, the driving gear 116 drives the drill bit 1110 to rotate through the transmission gear 117 and the universal coupling 118, so that the three drill bits 1110 drill the three bolt sleeve pipes in the positioning tooling 123 respectively, improving the processing efficiency.

[0044] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes" "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0045] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A vertical machine tool for machining of bolt sleeves, characterized in that: The utility model relates to a bolt sleeve processing device which comprises a processing mechanism (1) and is used for bolt sleeve processing. The drilling assembly (11) comprises a hollow rotating platform (111), a hollow turntable (112) rotatably installed on the upper end of the hollow rotating platform (111), a stand (113) fixed in the middle of the hollow rotating platform (111), a sliding frame (114) slidably installed on the stand (113), an electric screw rod guide rail (115) installed on the stand (113) and used for driving the sliding frame (114) to ascend and descend, a driving gear (116) rotatably installed on the upper end of the sliding frame (114), three transmission gears (117) rotatably installed in the sliding frame (114) and in mesh transmission with the driving gear (116), three mounting racks (119) arranged on the lower end of the sliding frame (114), drill bits (1110) rotatably installed in the mounting racks (119), universal shaft couplings (118) arranged between the upper ends of the drill bits (1110) and the transmission gears (117), and a motor (1111) installed on the upper end of the sliding frame (114) and used for driving the driving gear (116). The positioning assembly (12) is arranged on the hollow turntable (112) and is used for workpiece positioning. The pick-and-place assembly (13) is arranged on one side of the hollow rotating platform (111) and is used for workpiece feeding and discharging.

2. A vertical machine tool for machining of bolt sleeves according to claim 1, characterized in that: The positioning assembly (12) comprises a plurality of tooling tables (121) fixed in a circumferential distribution on the top outer edge of the hollow turntable (112), the tooling tables (121) are provided with three-jaw chucks (122) installed on the top thereof, and the three-jaw chucks (122) are provided with positioning tools (123) and are used for positioning bolt sleeves.

3. A vertical machine tool for machining of bolt sleeves according to claim 2, characterized in that: The positioning tool (123) comprises a positioning seat (1231) placed on the three-jaw chuck (122), and three workpiece holes (1232) are arranged in a circumferential distribution on the top of the positioning seat (1231).

4. A vertical machine tool for machining of bolt sleeves according to claim 1, characterized in that: The pick-and-place assembly (13) comprises a (131) fixed on one side of the hollow rotating platform (111), an electric lifting column (132) rotatably installed on the upper end of the (131), an upper feeding telescopic rod (133) and a lower discharging telescopic rod (134) fixed to the output end of the electric lifting column (132), and an upper feeding manipulator (135) and a lower discharging manipulator (136) fixed to the output ends of the upper feeding telescopic rod (133) and the lower discharging telescopic rod (134), respectively.

5. A vertical machine tool for machining of bolt sleeves according to claim 4, characterized in that: Supply rotary platforms (14) are arranged on the front and rear sides of the (131), respectively, and material boxes (15) are placed on the supply rotary platforms (14).

6. A vertical machine tool for machining of bolt sleeves according to claim 1, characterized in that: The bottom of the sliding frame (114) is fixed with an adjusting frame (1112), and the mounting racks (119) are fixed on the adjusting frame (1112) through bolts.

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