Positioning and clamping device for thin-wall cylinder machining

Abstract

The utility model relates to the technical field of thin-wall cylinder machining, and discloses a positioning and clamping device for thin-wall cylinder machining, which comprises a base, an operation table is fixedly connected to the top of the base, a positioning mechanism is arranged at the top of the operation table, a rotating mechanism is arranged at the bottom of the operation table, and the positioning mechanism comprises a supporting ring. During use, through the positioning mechanism, when the thin-wall barrel needs to be machined, firstly, the positioning frame is in a closed state, the thin-wall barrel is placed on the top of the containing table, the positioning frame is located on the inner side of the barrel, and then the thin-wall barrel is placed on the inner side of the containing table; according to the size of a barrel, a worm and a worm gear are driven to rotate through a first servo motor, the worm gear drives a fixing shaft and a second bevel gear to rotate, the fixing shaft rotates on the periphery of a rotating rod, and then a first bevel gear and a threaded rod can be driven to rotate under the action of the second bevel gear.

Description

TECHNICAL FIELD

[0001] The utility model relates to thin -walled cylinder processing technical field, concretely is a kind of positioning clamping device for thin -walled cylinder processing. BACKGROUND

[0002] Cylinder usually refers to the cylindrical structural component used in machinery, chemical industry or construction field, is common in pressure vessel, storage tank, reaction kettle, boiler and other equipment, cylinder is a hollow cylindrical shell, it is the core pressure-bearing or load-bearing structure of many industrial equipment, the role of thin -walled cylinder is to provide the pressure-bearing space required by process, is one of the most important pressure elements of pressure vessel, its inner diameter and volume often need to be determined by process calculation, and in the production and processing of stainless steel thin -walled cylinder, the cylinder needs to be processed diversely, therefore positioning clamping device is needed to position and clamp thin -walled cylinder.

[0003] According to the positioning clamping device for thin -walled cylinder processing (authorization announcement number is: CN210588272U) described in patent network publication, the positioning clamping device for thin -walled cylinder processing includes "upper clamping plate, lower clamping plate, rotary disc" etc., to realize positioning clamping work.

[0004] For the above description, the applicant believes that the following problems exist:

[0005] The positioning clamping device for thin -walled cylinder processing utilizes upper clamping plate, lower clamping plate, rotary disc etc., to realize positioning clamping work, this device in the process of using thin -walled cylinder is clamped on rotary disc and located at the outside of lower clamping plate, start rotary electric push rod, so that rotary electric push rod pushes upper clamping plate and makes it turn over outward under the action of connecting shaft to position, this device in the process of using can only fix the cylinder of fixed size, and when the inside of cylinder needs to be processed, it needs to be fixed on the periphery of cylinder, this device cannot be realized, affect applicability, therefore this device needs to be improved. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of positioning clamping device for thin -walled cylinder processing to solve the problems raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of positioning clamping device for thin -walled cylinder processing, including base, the base top is fixedly connected with operation table, the operation table top is provided with positioning mechanism, the operation table bottom is provided with rotating mechanism;

[0008] The positioning mechanism comprises a supporting ring, the supporting ring is rotationally connected in the operation table, a bearing frame is fixedly connected at the bottom of the supporting ring, a rotating rod is fixedly connected in the bearing frame, a placing table is fixedly connected at the top of the rotating rod, a threaded rod is rotationally connected in the placing table, a first bevel gear is fixedly connected on the periphery of the threaded rod, a positioning frame is threadedly connected on the periphery of the threaded rod, a fixed shaft is rotationally connected in the bearing frame, a second bevel gear is fixedly connected on the periphery of the fixed shaft, the second bevel gear is engaged with the bottom of the first bevel gear, a worm wheel is fixedly connected on the periphery of the fixed shaft, a worm is engaged with the right side of the worm wheel, a first servo motor is fixedly connected at the front side of the worm, and the first servo motor is fixedly connected at the bottom in the bearing frame.

[0009] Preferably, the rotating rod and the fixed shaft are respectively penetrated into the operation table, the fixed shaft is rotationally connected on the periphery of the rotating rod, the stability of the placing table is ensured under the action of the rotating rod, and the second bevel gear can be driven to rotate under the action of the fixed shaft.

[0010] Preferably, the operation table is provided with a limiting groove, and the supporting ring is rotationally connected in the limiting groove, so that the stability of the supporting ring and the bearing frame is ensured under the action of the limiting groove.

[0011] Preferably, the threaded rod, the first bevel gear and the positioning frame are provided with four groups, and the four groups of the threaded rod, the first bevel gear and the positioning frame are symmetrically distributed in the placing table, so that the four sides of the thin-walled cylinder can be positioned at the same time by arranging four groups.

[0012] Preferably, rubber pads are arranged on the top of the placing table and the front and back sides of the positioning frame, and the positioning frame is in a rectangular shape, so that the rubber pads can play a protection role when the thin-walled cylinder is fixed.

[0013] Preferably, the rotating mechanism comprises a supporting frame, the supporting frame is fixedly connected at the bottom of the operation table, a fixed plate is fixedly connected at the inner side of the supporting frame, a second servo motor is fixedly connected at the bottom of the supporting frame, a rotating shaft is fixedly connected at the top of the second servo motor, the rotating shaft is rotationally connected in the supporting frame, a bearing table is fixedly connected at the top of the rotating shaft, the bearing table is fixedly connected at the bottom of the bearing frame, a plug-in block is inserted in the bearing table, an air cylinder is fixedly connected at the right side of the plug-in block, and the air cylinder is fixedly connected at the right side of the fixed plate.

[0014] Preferably, the bearing table is provided with an insertion slot, and the plug-in block is inserted in the insertion slot, so that the plug-in block can play a limiting role when the bearing table stops working under the action of the plug-in block.

[0015] Compared with the prior art, the positioning and clamping device for thin-walled cylinder machining has the following beneficial effects:

[0016] 1. The positioning and clamping device for thin-walled cylinder machining, through the positioning mechanism, when the thin-walled cylinder needs to be machined, first make the positioning frame in the folding state, place the thin-walled cylinder on the top of the placing table, make the positioning frame in the inside of the cylinder, according to the size of the cylinder, drive the worm and the worm gear to rotate through the first servo motor, make the fixed shaft and the second bevel gear rotate through the worm gear, and make the fixed shaft rotate outside the rotating rod, drive the first bevel gear and the threaded rod to rotate under the action of the second bevel gear, make the positioning frame move through the threaded rod, four groups of symmetrically distributed threaded rods, first bevel gears and positioning frames can accurately position the thin-walled cylinder from multiple directions, ensure that the cylinder does not displace during machining, greatly improve the machining precision and stability, the supporting ring is rotatably connected in the limiting groove inside the operation table, ensure the stability of the placing table when rotating, when the positioning frame is in the inside of the cylinder, the periphery of the cylinder can be machined, and the positioning frame is fixed on the periphery of the cylinder, so that the inside of the cylinder can be machined.

[0017] 2. The positioning and clamping device for thin-walled cylinder machining, through the rotating mechanism, when the thin-walled cylinder to be machined is fixed under the action of the placing table and the positioning frame, and needs to be driven to rotate, drive the rotating shaft and the bearing table to rotate through the second servo motor, so that the bearing table drives the bearing frame and the placing table to rotate, which can drive the thin-walled cylinder placed on the placing table to rotate, so that the cylinder can be fully machined without manual adjustment, improve the machining efficiency, and when the cylinder does not need to be driven to rotate, the cylinder machining process can be ensured to be stable by driving the cylinder to drive the plug to insert or pull out the plug slot inside the bearing table. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0020] Figure 2 It is a bottom view structure schematic diagram of the present application;

[0021] Figure 3 It is a positioning mechanism structure schematic diagram;

[0022] Figure 4 It is a bearing frame inside structure schematic diagram;

[0023] Figure 5Structure diagram of cross section for placing table;

[0024] Figure 6 Structure diagram of cross section for fixed shaft;

[0025] Figure 7 Structure diagram of rotating mechanism.

[0026] In the figure: 1, base; 2, operation table; 3, positioning mechanism; 4, rotating mechanism; 31, support ring; 32, bearing frame; 33, first servo motor; 34, worm gear; 35, placing table; 36, worm; 37, rotating rod; 38, fixed shaft; 39, first bevel gear; 391, threaded rod; 392, positioning frame; 393, second bevel gear; 41, support frame; 42, second servo motor; 43, bearing table; 44, rotating shaft; 45, plug block; 46, air cylinder; 47, fixed plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0029] The present application provides the following technical solutions:

[0030] Embodiment one

[0031] Please refer to Figures 1-7 The present application provides a technical solution: a positioning and clamping device for thin-walled cylinder machining, comprising a base 1, the top of the base 1 is fixedly connected with an operation table 2, the top of the operation table 2 is provided with a positioning mechanism 3, and the bottom of the operation table 2 is provided with a rotating mechanism 4.

[0032] The positioning mechanism 3 comprises a supporting ring 31 rotatably connected to the inside of the operation table 2, a load-bearing frame 32 fixedly connected to the bottom of the supporting ring 31, a rotating rod 37 fixedly connected to the inside of the load-bearing frame 32, a placing table 35 fixedly connected to the top of the rotating rod 37, a threaded rod 391 rotatably connected to the inside of the placing table 35, a first bevel gear 39 fixedly connected to the periphery of the threaded rod 391, a positioning frame 392 threadedly connected to the periphery of the threaded rod 391, a fixed shaft 38 rotatably connected to the inside of the load-bearing frame 32, a second bevel gear 393 fixedly connected to the periphery of the fixed shaft 38, the second bevel gear 393 meshing with the bottom of the first bevel gear 39, and a worm gear 34 fixedly connected to the periphery of the fixed shaft 38, the worm gear 34 meshing with a worm 36 on the right side, a first servo motor 33 fixedly connected to the bottom of the load-bearing frame 32 and fixedly connected to the front side of the worm 36.

[0033] The rotating rod 37 and the fixed shaft 38 respectively penetrate into the inside of the operation table 2, the fixed shaft 38 is rotatably connected to the periphery of the rotating rod 37, so as to facilitate the stability of the placing table 35 under the action of the rotating rod 37, and the second bevel gear 393 can be driven to rotate under the action of the fixed shaft 38, a limiting groove is formed in the inside of the operation table 2, the supporting ring 31 is rotatably connected to the limiting groove, so as to facilitate the stability of the supporting ring 31 and the load-bearing frame 32 under the action of the limiting groove.

[0034] The threaded rod 391, the first bevel gear 39 and the positioning frame 392 are provided with four groups, the four groups of the threaded rod 391, the first bevel gear 39 and the positioning frame 392 are symmetrically distributed in the inside of the placing table 35, so as to facilitate the positioning of four sides of the thin-walled cylinder at the same time by setting four groups, rubber pads are respectively arranged on the top of the placing table 35 and the front and back sides of the positioning frame 392, and the positioning frame 392 is in a rectangular shape, so as to facilitate the protection of the thin-walled cylinder during fixing under the action of the rubber pads.

[0035] Example two

[0036] Please refer to Figures 1-7 , and on the basis of example one, the rotating mechanism 4 further comprises a supporting frame 41 fixedly connected to the bottom of the operation table 2, a fixed plate 47 fixedly connected to the inner side of the supporting frame 41, a second servo motor 42 fixedly connected to the bottom of the supporting frame 41, a rotating shaft 44 fixedly connected to the top of the second servo motor 42, the rotating shaft 44 rotatably connected to the inside of the supporting frame 41, a load-bearing table 43 fixedly connected to the bottom of the load-bearing frame 32, the load-bearing table 43 being inserted with an insertion block 45, the insertion block 45 being fixedly connected to the right side of the air cylinder 46, the air cylinder 46 being fixedly connected to the right side of the fixed plate 47, the load-bearing table 43 being provided with an insertion slot, and the insertion block 45 being inserted into the insertion slot, so as to facilitate the limiting effect of the insertion block 45 under the action of the insertion block 45 when the load-bearing table 43 stops working.

[0037] In actual operation, when the device is used, when the thin-walled cylinder needs to be processed, first, the positioning frame 392 is in the folded state, the thin-walled cylinder is placed on the top of the placement table 35, the positioning frame 392 is in the inside of the cylinder, according to the size of the cylinder, the first servo motor 33 drives the worm 36 and the worm gear 34 to rotate, the worm gear 34 drives the fixed shaft 38 and the second bevel gear 393 to rotate, and the fixed shaft 38 rotates around the rotating rod 37, that is, under the action of the second bevel gear 393, the first bevel gear 39 and the threaded rod 391 are driven to rotate, the threaded rod 391 drives the positioning frame 392 to slide inside the placement table 35, the four groups of symmetrically distributed threaded rods 391, first bevel gears 39 and positioning frames 392 can accurately position the thin-walled cylinder from multiple directions, the periphery of the positioning frame 392 and the inside of the cylinder are in contact with each other, and the cylinder is fixed, so that displacement of the cylinder during processing is avoided, and processing accuracy and stability are greatly improved;

[0038] When the positioning frame 392 is in the inside of the cylinder, the periphery of the cylinder can be processed, and the positioning frame 392 is fixed on the periphery of the cylinder, so that the inside of the cylinder can be processed;

[0039] When the cylinder needs to be rotated during processing, the second servo motor 42 drives the rotating shaft 44 and the bearing table 43 to rotate, so that the bearing table 43 drives the bearing frame 32 and the placement table 35 to rotate, so that the thin-walled cylinder placed on the placement table 35 is rotated, so that the cylinder can be processed comprehensively, without manual adjustment, and the processing efficiency is improved. The support ring 31 is rotationally connected in the limiting groove in the operation table 2, so that the stability of the placement table 35 during rotation is ensured, and when the cylinder does not need to be rotated, the cylinder machining process is further ensured.

[0040] It should be noted that in this text, 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 actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are 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. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

Claims

1. A positioning and clamping device for machining thin-walled cylinders, comprising a base (1), characterized in that: The base (1) is fixedly connected to the top of the operating table (2), the operating table (2) is provided with a positioning mechanism (3) at the top, and the operating table (2) is provided with a rotating mechanism (4) at the bottom; The positioning mechanism (3) includes a support ring (31), which is rotatably connected to the inside of the operating table (2). A load-bearing frame (32) is fixedly connected to the bottom of the support ring (31). A rotating rod (37) is fixedly connected inside the load-bearing frame (32). A placement platform (35) is fixedly connected to the top of the rotating rod (37). A threaded rod (391) is rotatably connected inside the placement platform (35). A first bevel gear (39) is fixedly connected to the periphery of the threaded rod (391). A threaded connection is also present on the periphery of the threaded rod (391). The positioning frame (392) has a fixed shaft (38) rotatably connected inside the load-bearing frame (32). A second bevel gear (393) is fixedly connected to the periphery of the fixed shaft (38). The second bevel gear (393) meshes with the bottom of the first bevel gear (39). A worm gear (34) is fixedly connected to the periphery of the fixed shaft (38). A worm (36) meshes with the right side of the worm gear (34). A first servo motor (33) is fixedly connected to the front side of the worm (36). The first servo motor (33) is fixedly connected to the bottom of the load-bearing frame (32).

2. The positioning and clamping device for thin-walled cylinder processing according to claim 1, characterized in that: The rotating rod (37) and the fixed shaft (38) respectively pass through the inside of the operating table (2), and the fixed shaft (38) is rotatably connected to the periphery of the rotating rod (37).

3. The positioning and clamping device for thin-walled cylinder processing according to claim 1, characterized in that: The operating table (2) has a limiting groove inside, and the support ring (31) is rotatably connected to the limiting groove.

4. The positioning and clamping device for thin-walled cylinder processing according to claim 1, characterized in that: The threaded rod (391), the first bevel gear (39) and the positioning frame (392) are provided in four sets, and the four sets of the threaded rod (391), the first bevel gear (39) and the positioning frame (392) are symmetrically distributed inside the placement platform (35).

5. A positioning and clamping device for machining thin-walled cylinders according to claim 1, characterized in that: Rubber pads are provided on the top of the placement platform (35) and the front and rear sides of the positioning frame (392), and the positioning frame (392) is rectangular.

6. The positioning and clamping device for machining thin-walled cylinders according to claim 1, characterized in that: The rotating mechanism (4) includes a support frame (41), which is fixedly connected to the bottom of the operating table (2). A fixing plate (47) is fixedly connected to the inner side of the support frame (41). A second servo motor (42) is fixedly connected to the bottom of the support frame (41). A rotating shaft (44) is fixedly connected to the top of the second servo motor (42). The rotating shaft (44) is rotatably connected to the inside of the support frame (41). A load-bearing platform (43) is fixedly connected to the top of the rotating shaft (44). The load-bearing platform (43) is fixedly connected to the bottom of the load-bearing frame (32). A plug (45) is inserted into the inside of the load-bearing platform (43). A cylinder (46) is fixedly connected to the right side of the plug (45). The cylinder (46) is fixedly connected to the right side of the fixing plate (47).

7. A positioning and clamping device for machining thin-walled cylinders according to claim 6, characterized in that: The support platform (43) has a slot inside, and the plug (45) is inserted into the slot.

Images