CN109676840B - Insulator deburring device and method - Google Patents
Insulator deburring device and method Download PDFInfo
- Publication number
- CN109676840B CN109676840B CN201811570386.4A CN201811570386A CN109676840B CN 109676840 B CN109676840 B CN 109676840B CN 201811570386 A CN201811570386 A CN 201811570386A CN 109676840 B CN109676840 B CN 109676840B
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- workpiece
- push rod
- electric push
- trimming
- cutting
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- 239000012212 insulator Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 170
- 238000005520 cutting process Methods 0.000 claims abstract description 71
- 238000009966 trimming Methods 0.000 claims abstract description 57
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 description 5
- 229920002379 silicone rubber Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/02—Deburring or deflashing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/003—Cutting work characterised by the nature of the cut made; Apparatus therefor specially adapted for cutting rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses an insulator deburring device and method, wherein the device comprises a driving mechanism for driving a workpiece to rotate and a clamping mechanism for axially clamping the workpiece, one end of the workpiece is connected with the driving mechanism through a motor connecting shaft, and the other end of the workpiece is connected with the clamping mechanism through a pressing head mechanism; one side of the workpiece is provided with a first cutting mechanism for cutting off the connection between the burrs and the umbrella skirt structure of the workpiece and a second cutting mechanism for cutting off the connection between the burrs and the cylindrical surface of the workpiece, and the other side of the workpiece is provided with a trimming mechanism for smoothly trimming the surface of the workpiece. The connection between the burr and the workpiece can be cut off by two cutting mechanisms with different feed directions.
Description
Technical Field
The invention relates to an insulator deburring device, in particular to an insulator deburring device and method made of silicon rubber material with umbrella skirt structures and manufactured by compression molding.
Background
The insulator consists of a rod core, an umbrella disk and a metal end iron cap, and is an insulator for supporting a wire and is commonly used in a power grid system. Umbrella-shaped insulators are widely used because of simple structure and shape and low manufacturing cost. Compared with the insulator made of ceramic or glass, the insulator made of silicone rubber has smaller volume mass, higher specific strength and excellent mechanical properties. At present, the insulator is manufactured by adopting a compression molding process mostly, and the umbrella skirt structure is molded in one step in a mold, so that the processing procedure is simplified.
Because gaps which cannot be completely avoided exist between dies used in the insulator manufacturing process, silicon rubber in the inner cavity of the dies is extruded out of the gaps, sheet burrs are formed at the joint surfaces of the two dies, the umbrella skirt structure of the insulator is an arc surface and limited by the shape, burrs in the arc surfaces of the umbrella skirt cannot be cut by common turning, burrs among the umbrella skirt are mostly manually cut, trimming and smoothing are carried out on the insulator after the burrs are cut, and the defects of unstable processing quality and low efficiency exist. Based on the above, the invention provides the deburring device for the insulator, which can be used for deburring and trimming the outline of the molded silicon rubber insulator, so that the automation is realized, and the efficiency is improved.
Disclosure of Invention
The invention aims to provide a deburring device and a deburring method for an insulator, wherein the insulator is fixed between a clamping mechanism and a driving mechanism through a clamping mechanism of a hydraulic cylinder, and flaky burrs among umbrella skirts are cut through two cutting mechanisms in different machining directions, wherein the cutting mechanisms consist of a sliding table module and an electric push rod; when the flaky burrs are cut off, the insulator is driven to rotate through the driving mechanism, and the trimming mechanism of the cutter head capable of moving in the plane performs smooth trimming along the surface profile of the insulator, so that small burrs are further removed. In particular, aiming at the condition that the flaky burrs are connected with the umbrella skirt structure of the workpiece and the surface of the cylinder, the processing process of cutting the flaky burrs is realized through a first cutting mechanism cutting the burrs along the umbrella skirt direction and a second cutting mechanism cutting the cylindrical surface of the workpiece along the axial direction, and when the flaky burrs among the umbrella skirts are cut off on the premise of not damaging the umbrella skirt structure, the automatic deburring and trimming of the insulator are realized, and the production efficiency is improved.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the deburring device for the insulator comprises a driving mechanism for driving a workpiece to rotate and a clamping mechanism for axially clamping the workpiece, wherein one end of the workpiece is connected with the driving mechanism through a motor connecting shaft, and the other end of the workpiece is connected with the clamping mechanism through a pressing head mechanism; one side of the workpiece is provided with a first cutting mechanism for cutting off the connection between the burrs and the umbrella skirt structure of the workpiece and a second cutting mechanism for cutting off the connection between the burrs and the cylindrical surface of the workpiece, and the other side of the workpiece is provided with a trimming mechanism for smoothly trimming the surface of the workpiece.
Further, the feeding direction of the first cutting mechanism and the axis of the workpiece are on the same horizontal plane, and the feeding is performed along the umbrella skirt; the cutting direction of the second cutting mechanism and the axis of the workpiece form included angles on the horizontal plane and the vertical plane, and the cutting direction of the trimming mechanism and the axis of the workpiece are on the same horizontal plane.
Further, the driving mechanism comprises a first base, a servo motor and a bearing seat, wherein the servo motor is fixed on the first base, the bearing seat is fixedly connected on the first base, a connecting shaft is rotationally fixedly connected in the bearing seat, one end of the connecting shaft is connected with an output shaft of the motor, and the other end of the connecting shaft is contacted with a process hole at the center of the end face of the workpiece.
Further, the clamping mechanism comprises a second base, a hydraulic cylinder and a pressing head mechanism, wherein the hydraulic cylinder is fixedly connected to the second base, and the pressing head mechanism is installed at the front part of the rod end of the hydraulic cylinder.
Further, the pressing head mechanism comprises a stepped shaft and an outer barrel, the stepped shaft is supported in the outer barrel through a bearing, the front part of the rod end of a hydraulic cylinder at one end of the stepped shaft is connected, and the outer barrel is pressed against a workpiece.
Further, the compressing head mechanism further comprises a first angular contact bearing, a second angular contact bearing, an outer cylinder fixing block, a nut and a sleeve; a threaded hole is formed in the center of the circle of the end with the large diameter of the stepped shaft and is used for fixedly connecting with the threads of the rod end of the hydraulic cylinder; the inner ring of the second angular contact bearing is in interference fit with the middle diameter shaft end of the stepped shaft, one end of the inner ring is contacted with the shaft shoulder, and the other end of the inner ring is contacted with one end of the sleeve, so that the axial positioning of the second angular contact bearing is realized; the inner ring of the first angular contact bearing is in interference fit with the middle diameter shaft end of the stepped shaft, one end of the first angular contact bearing is in contact with the nut, and the other end of the first angular contact bearing is in contact with the other end of the sleeve, so that axial positioning is realized; the small-diameter shaft end of the stepped shaft is processed into external threads for fixedly connecting the threads with the threads of the nut; the outer cylinder is of a hollow cylinder structure, the inner through hole is a stepped hole, and the inner wall is in interference fit with the outer rings of the first angular contact bearing and the second angular contact bearing; the outer cylinder fixing block is of a hollow cylinder structure, and the outer cylinder is fixedly connected with the outer cylinder fixing block through screws; the end face of the outer ring of the first angular contact bearing is contacted with the stepped hole of the outer cylinder, and the end face of the outer ring of the second angular contact bearing is contacted with the fixed block of the outer cylinder.
Further, the first cutting mechanism comprises a third base, a first linear sliding table module, a first electric push rod, a first mounting block and a first blade mechanism, wherein the first linear sliding table module is fixedly connected to the third base, the first mounting block is fixedly connected to a sliding table of the first linear sliding table module, the first electric push rod is mounted on the first mounting block, the first blade mechanism is mounted on a push rod end of the first electric push rod, the linear movement direction of the first linear sliding table module is parallel to the axis of a workpiece, the mounting surface of the first electric push rod is located on a horizontal plane, and the expansion direction is parallel to the bevel of an umbrella skirt of the workpiece.
Further, the second cutting mechanism comprises a fourth base, a second linear sliding table module, a second electric push rod, a second mounting block and a second blade mechanism, wherein the second linear sliding table module is fixedly connected to the fourth base, the second mounting block is fixedly connected to a sliding table of the second linear sliding table module, the second electric push rod is mounted on the second mounting block, the second blade mechanism is mounted on a push rod end of the second electric push rod, the movement direction of the second linear sliding table module is parallel to the axis of a workpiece, and the expansion direction of the second electric push rod is inclined to the workpiece on a horizontal plane and a vertical plane.
Further, the trimming mechanism comprises a fifth base, a first linear motor, a second linear motor, a trimming cutter mounting block and a trimming cutter, wherein the first linear motor is fixed on the fifth base, the movement direction of the first linear motor is parallel to the axis of a workpiece, the second linear motor is fixed on the upper surface of the first linear motor, the movement direction of the second linear motor is perpendicular to the first linear motor, the trimming cutter mounting block is fixedly connected on the upper surface of the second linear motor, and the trimming cutter is mounted on the trimming cutter mounting block.
Another object of the present invention is to provide an insulator deburring method, which is implemented in the above insulator deburring device, comprising the steps of:
1) Sleeving a technical hole at one end of a workpiece into a motor connecting shaft of a driving mechanism, wherein the direction of the umbrella skirt structure is parallel to the moving direction of the first cutting mechanism, and a pressing head mechanism at the front part of the rod end of a hydraulic cylinder is used for fixing the workpiece between the driving mechanism and a clamping mechanism to be processed;
2) Starting a first linear sliding table module of the first cutting mechanism, and adjusting a first blade mechanism on the first electric push rod to be positioned at the joint of the work piece umbrella skirt and the sheet-shaped burrs; the first electric push rod extends out, the first blade mechanism feeds obliquely along the umbrella skirt of the workpiece until the first electric push rod retracts after contacting the cylindrical surface of the workpiece;
3) Repeating the step 2) until all connections between the umbrella skirt structure and burrs of the workpiece are cut off;
4) Starting a second linear sliding table module of the second cutting mechanism, adjusting a second electric push rod to a position to be processed, and stopping; the second electric push rod stretches out, the second blade mechanism contacts one end of the joint of the slice-shaped burrs and the cylindrical surface of the workpiece, the second linear sliding table module is started, the second blade mechanism is driven to linearly move towards the other end along the axial direction of the workpiece, and the connection of the slice-shaped burrs and the cylindrical surface of the workpiece can be cut;
5) Repeating the step 4) until all the connection between the cylindrical surface of the workpiece and the sheet-shaped burrs are cut, and removing the sheet-shaped burrs on the workpiece when the sheet-shaped burrs are cut together with the umbrella skirt structure and the cylindrical surface of the workpiece;
6) The clamping mechanism drives the compressing head mechanism to retract, and burrs on the other side of the workpiece are fixed again after being placed towards the cutting mechanism;
7) Repeating the steps 2) -5) to remove burrs on the other side;
8) Starting a servo motor of the rotating mechanism to drive the workpiece to rotate, and controlling a trimming cutter to move along the surface profile of the workpiece by a first linear motor and a second linear motor of the trimming mechanism to perform smooth surface trimming processing on the workpiece;
9) After trimming, the hydraulic cylinder rod of the clamping mechanism is retracted, and the machined workpiece is taken down.
The beneficial effects of the invention are as follows: the connection between the burr and the workpiece can be cut off by two cutting mechanisms with different feed directions. Aiming at insulator workpieces with different sizes, the electric push rod can adapt to insulator workpieces with different diameters by controlling the extension length of the electric push rod. The current common cutting device for feeding along the radial direction of the workpiece has the limitation that burrs in the umbrella skirt cannot be cut, and the blade of the device can remove the burrs in the arc surface of the umbrella skirt by adopting the design of cutting along the oblique cutting of the arc surface of the umbrella skirt. The cutter head diameter of the trimming mechanism is larger than the cutter bar diameter, and when the workpiece umbrella skirt cambered surface is trimmed, compared with a common turning tool, the trimming mechanism can trim the umbrella skirt cambered surface under the condition that the umbrella skirt structure is not touched. The integral deburring device has simple structure and convenient operation.
Drawings
FIG. 1 is a top view of the overall device structure;
FIG. 2 is a schematic illustration of the positions of the cutting mechanism and the trimming mechanism;
FIG. 3 is a cross-sectional view of the structure of the hold-down head mechanism;
FIG. 4 is a perspective view of a first blade mechanism;
FIG. 5 is a cross-sectional view of a second cutting mechanism;
in the figure: the driving mechanism 1, the clamping mechanism 2, the first cutting mechanism 3, the second cutting mechanism 4, the trimming mechanism 5, the workpiece 6, the first base 11, the servo motor 12, the coupling 13, the connecting shaft 14, the bearing housing 15, the second base 21, the hydraulic cylinder 22, the rear fixing base 23, the front fixing base 24, the pressing head mechanism 25, the stepped shaft 251, the first angular contact bearing 252, the second angular contact bearing 253, the outer cylinder 254, the outer cylinder fixing block 255, the nut 256, the sleeve 257, the third base 31, the first linear sliding table module 32, the first electric push rod 33, the first mounting block 34, the first blade mechanism 35, the fourth base 41, the second linear sliding table module 42, the second electric push rod 43, the second mounting block 44, the second blade mechanism 45, the fifth base 51, the first linear motor 52, the second linear motor 53, the trimming blade mounting block 54, and the trimming blade 55.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
Referring to fig. 1, the deburring device for insulators provided by the invention comprises a driving mechanism 1 for driving a workpiece 6 to rotate, and a clamping mechanism 2 for axially clamping the workpiece 6, wherein one end of the workpiece 6 is connected with the driving mechanism 1 through a connecting shaft 14, and the other end of the workpiece 6 is connected with the clamping mechanism 2 through a pressing head mechanism 25. One side of the workpiece 6 is provided with a first cutting mechanism 3 for cutting off burrs and connecting with the umbrella skirt structure of the workpiece 6 and a second cutting mechanism 4 for cutting off burrs and connecting with the cylindrical surface of the workpiece 6, and the other side of the workpiece 6 is provided with a trimming mechanism 5 for trimming the surface of the workpiece smoothly.
Referring to fig. 1 and 2, the first cutting mechanism 3 is disposed at one side of the workpiece 6, and the feeding direction is on the same horizontal plane with the axis of the workpiece 6, and feeds along the umbrella skirt. The second cutting mechanism 4 is arranged below one side of the workpiece, included angles exist between the feeding direction and the axis of the workpiece 6 on the horizontal plane and the vertical plane, the trimming mechanism 5 is arranged on the other side of the workpiece 6, and the feeding direction and the axis of the workpiece 6 are on the same horizontal plane. All mechanisms are arranged on the same horizontal plane through the base.
Referring to fig. 1, the driving mechanism 1 includes a first base 11, a servo motor 12, a coupling 13, a connecting shaft 14, and a bearing housing 15, wherein the servo motor 12 is fixed to the first base 11 to provide driving force for trimming the workpiece 6. The bearing seat 15 is fixedly connected to the first base 11, the connecting shaft 14 is rotationally fixedly connected in the bearing seat 15, the connecting shaft 14 can circumferentially rotate relative to the bearing seat 15, and the axle center of the connecting shaft 14 and the output shaft of the servo motor 12 are positioned on the same axis. One end of the connecting shaft 14 is fixedly connected with the motor output shaft through the coupler 13, and the other end of the connecting shaft contacts with a process hole at the center of the end face of the workpiece 6, so that the motor output shaft is prevented from being directly acted by the axial force of the workpiece 6. The centre of a circle of both end faces of the workpiece 6 is provided with stepped holes, the depths of the stepped holes are threaded holes for installing parts, and the shallow holes are circular process holes, so that the workpiece is convenient to remove burrs and fix during trimming.
Referring to fig. 1, the clamping mechanism 2 comprises a second base 21, a hydraulic cylinder 22, a rear fixing seat 23, a front fixing seat 24 and a compression head mechanism 25, wherein the hydraulic cylinder 22 is a telescopic hydraulic cylinder, the rear fixing seat 23 and the front fixing seat 24 are sleeved into the hydraulic cylinder respectively and then are axially fixed by a fastening nut, the rear fixing seat 23 and the front fixing seat 24 are fixedly connected to the second base 21 through threads, so that the hydraulic cylinder 22 is fixed, the hydraulic cylinder 22 is connected with a corresponding control system and a pipeline, and the telescopic rod end is realized; the packing head mechanism 25 is mounted at the front of the rod end of the hydraulic cylinder 22.
Referring to fig. 3, the pressing head mechanism 25 includes a stepped shaft 251, a first angular contact bearing 252, a second angular contact bearing 253, an outer cylinder 254, an outer cylinder fixing block 255, a nut 256, and a sleeve 257. The hold-down head 25 can be moved in a circumferential rotation along with the workpiece 6. The center of the large-diameter end of the stepped shaft 251 is provided with a threaded hole for fixedly connecting with the rod end threads of the hydraulic cylinder 22. The inner ring of the second angular contact bearing 253 is in interference fit with the middle diameter shaft end of the stepped shaft 251, one end of the inner ring is in contact with the shaft shoulder, and the other end of the inner ring is in contact with one end of the sleeve 257, so that the axial positioning of the second angular contact bearing 253 is realized. The inner ring of the first angular contact bearing 252 is in interference fit with the middle diameter shaft end of the stepped shaft 251, one end of the first angular contact bearing is in contact with the nut 256, and the other end of the first angular contact bearing is in contact with the other end of the sleeve 257, so that axial positioning is achieved. Two angular contact bearings are mounted in pairs on the stepped shaft 251 to form a bearing assembly that can withstand axial forces. The small-diameter shaft end of the stepped shaft 251 is provided with external threads for fixedly connecting the threads with the threads of the nut 256, and the nut is not required to bear too large axial force in consideration of the fact that the small-diameter end points to the large-diameter end when the workpiece 6 is clamped by the pressing head mechanism 25. The outer cylinder 254 is a hollow cylinder structure, the inner through hole is a stepped hole, and the inner wall is in interference fit with the outer rings of the first angular contact bearing 252 and the second angular contact bearing 253. The outer cylinder fixing block 255 is of a hollow cylinder structure, and the outer cylinder 254 is fixedly connected with the outer cylinder fixing block 255 through screws. The outer ring end face of the first angular contact bearing 252 is in contact with the stepped hole of the outer cylinder 254, the outer ring end face of the second angular contact bearing 253 is in contact with the outer cylinder fixing block 255, and axial positioning of the outer cylinder 254 is achieved through the bearing assembly, so that the outer cylinder only rotates circumferentially relative to the stepped shaft 251. The pressing head mechanism 25 is connected to the front end of the rod of the hydraulic cylinder 22, when the rod extends out, the workpiece 6 is pressed between the driving mechanism 1 and the clamping mechanism 2 through the pressing head mechanism 25, the outer cylinder 254 can perform rotary motion relative to the hydraulic cylinder 22 along with the workpiece 6, the influence of dynamic load when the cylinder body is subjected to rotary motion of the workpiece is reduced, and meanwhile, the workpiece 6 with different process hole sizes can be adapted by replacing the outer cylinders 254 with different outer diameters.
Referring to fig. 1, the first cutting mechanism 3 includes a third base 31, a first linear slide module 32, a first electric push rod 33, a first mounting block 34, and a first blade mechanism 35. The first cutting mechanism 3 is used for cutting off the connection between the umbrella skirt structure and the sheet-shaped burrs of the workpiece 6. The first linear sliding table module 32 is fixedly connected to the third base 31, and a first mounting block 34 is fixedly connected to a sliding table of the first linear sliding table module 32 through a screw. The first mounting block 34 is a cuboid with two supports on the upper surface, and through holes are formed in the centers of the two supports. The bottom end of the first electric push rod 33 is provided with a protruding cylinder for installing the push rod, and the cylinder is provided with a through hole. After the cylinder at the bottom end of the first electric push rod 33 is installed in the two supports, the first electric push rod 33 is fixed on the first installation block 34 by bolts through the through hole on one support, the through hole on the cylinder and the through hole on the other support in sequence.
Referring to fig. 1 and 4, the first blade mechanism 35 includes a first blade mounting block 351 and a first blade 352, wherein a threaded hole is formed in the center of one end of the first blade mounting block 351, and is fixedly connected with the thread of the telescopic rod end of the first electric push rod 33, and a groove is formed in the center line of the other end of the first blade mounting block for mounting the first blade 352. The first blade mounting block 351 is provided with a through hole on a side perpendicular to the first blade 352, and fixes the first blade 352 by means of a bolt connection. The first electric push rod 33 is installed on the surface and is located on the horizontal plane, the expansion direction is parallel to the bevel of the umbrella skirt of the workpiece 6, oblique feeding along the umbrella skirt structure of the workpiece 6 can be achieved, and then connection between the surface of the umbrella skirt and the sheet burrs is cut off. The linear movement direction of the first linear sliding table module 32 is parallel to the axis of the workpiece 6, and the initial position of feed is changed by adjusting the sliding table position. Compared with the direct feeding along the radial direction of the workpiece, the processing route of the oblique feeding can thoroughly cut off the sheet burrs of the workpiece blocked by the inner surface and the outer surface of the umbrella skirt structure, meanwhile, the umbrella skirt structure of the workpiece cannot be damaged, and the workpiece 6 with different diameters can be adapted by changing the extension distance.
Referring to fig. 1, fig. 2 and fig. 5, the second cutting mechanism 4 includes a fourth base 41, a second linear sliding table module 42, a second electric push rod 43, a second mounting block 44, and a second blade mechanism 45, for cutting off the connection between the burrs and the cylindrical surface of the workpiece 6; burrs on the workpiece are respectively connected with the inner surface and the outer surface of the umbrella skirt and the surface of the cylinder, and the burrs are removed when the two types of connection are cut off. The second cutting mechanism 4 is similar to the first cutting mechanism 3 in overall structure, the second electric push rod 43 is arranged below the side surface of the workpiece 6 in consideration of the difference of the cutting positions, the installation direction and the fixing mode of the second electric push rod 43 are different from those of the first cutting mechanism 3, the telescopic direction of the second electric push rod 43 is inclined to the workpiece 6 on the horizontal plane and the vertical plane, and the moving direction of the second linear sliding table module 42 is parallel to the axis of the workpiece 6. The second mounting block 44 has a rectangular parallelepiped structure, and is fixedly connected to the sliding table of the second linear sliding table module 42 by screws. The surface of the second linear sliding table module 42 is provided with a groove for attaching the second electric push rod 43, the side surface of the groove is provided with a through hole, after the second electric push rod 43 is installed, the second electric push rod 43 sequentially passes through the through hole of the second installation block 44, the through hole of the second electric push rod 43 and the through hole of the other side of the second installation block 44 through bolts, and then the second electric push rod 43 is fixed on the second installation block 44 through bolts, the second blade mechanism 45 faces the junction of the cylindrical surface of the workpiece 6 and the sheet-shaped burrs, and the junction can be cut when the push rod stretches out.
Referring to fig. 1, fig. 2 and fig. 5, the second linear sliding table module 42 adjusts the second electric push rod 43 to the feeding position, then the rod end stretches, the second linear sliding table module 42 drives the second blade mechanism 45 to axially move along the surface of the workpiece through linear motion, and then the connection between the burr and the surface of the cylinder of the workpiece 6 is cut, the axial motion is stopped until reaching the umbrella skirt structure to retract the second electric push rod 43, and the processing steps are repeated until all the sheet burrs are cut off and the connection between the sheet burrs and the surface of the cylinder of the workpiece 6 is cut off. The first cutting mechanism 3 and the second cutting mechanism 4 are respectively used for cutting the junction of the burr and the umbrella skirt, and the junction of the burr and the surface of the cylinder, and when both junctions are cut, the flaky burrs are cut off.
Referring to fig. 1, the trimming mechanism 5 includes a fifth base 51, a first linear motor 52, a second linear motor 53, a trimming blade mounting block 54, and a trimming blade. The first linear motor 52 is fixed to the fifth base 51 in a direction parallel to the axis of the workpiece 6. The second linear motor 53 is fixed on the upper surface of the first linear motor 52, the movement direction is perpendicular to the first linear motor 52, and the combination of the two linear motors can realize arbitrary adjustment of the cutter head in the two-axis direction. The trimming cutter mounting block 54 is fixedly connected to the upper surface of the second linear motor 53 through screws, a threaded hole is formed in the side wall of the trimming cutter mounting block, and the rod end of the trimming cutter is a threaded rod and is fixedly connected with the trimming cutter mounting block 54 through threads. The cutter head of the trimming cutter is in a disc shape, the diameter of the cutter head is larger than that of the rod end, and smooth trimming treatment can be realized on the inner side of the curved surface of the umbrella skirt under the condition that the cutter head is not blocked by the umbrella skirt of the workpiece 6.
The specific processing steps of the deburring device for the insulator workpiece are as follows:
a process hole at one end of a workpiece 6 is sleeved into a motor connecting shaft 14 of the driving mechanism 1, when the process hole is sleeved, the slice burrs of the workpiece 6 are positioned on a horizontal plane, the direction of the umbrella skirt structure is parallel to the moving direction of the first cutting mechanism, the workpiece 6 is fixed between the driving mechanism 1 and the clamping mechanism 2 to be processed by a compressing head mechanism 25 at the front part of the rod end, and the rod end extends out through the rod end of the hydraulic cylinder 22;
the first linear sliding table module 32 of the first cutting mechanism 3 is started, and the first blade mechanism 35 on the first electric push rod 33 is adjusted to be positioned at the joint of the umbrella skirt and the sheet-shaped burrs of the workpiece 6. The first electric push rod 33 extends out, the first blade mechanism 35 feeds obliquely along the umbrella skirt of the workpiece 6 until the first electric push rod 33 retracts after contacting the cylindrical surface of the workpiece 6;
repeating the step 2) until all connections between the shed structure and burrs of the workpiece 6 are cut off;
starting a second linear sliding table module 42 of the second cutting mechanism 4, adjusting a second electric push rod 43 to a position to be processed, and stopping; the second electric push rod 43 stretches out, the second blade mechanism 45 contacts one end of the connecting part of the slice-shaped burrs and the cylindrical surface of the workpiece 6, the second linear sliding table module 42 is started, the second blade mechanism 45 is driven to linearly move towards the other end along the axial direction of the workpiece 6, and the connection of the slice-shaped burrs and the cylindrical surface of the workpiece 6 can be cut;
repeating the step 4) until all the connection between the cylindrical surface of the workpiece 6 and the sheet-shaped burrs are cut, and removing the sheet-shaped burrs on the workpiece 6 when the sheet-shaped burrs are cut from the umbrella skirt structure and the cylindrical surface of the workpiece 6;
the clamping mechanism 2 drives the compressing head mechanism 25 to retract, and burrs on the other side of the workpiece 6 are fixed again after being placed towards the cutting mechanism;
repeating the steps 2) -5) to remove burrs on the other side;
starting a servo motor 12 of the driving mechanism 1 to drive a workpiece 6 to rotate, and controlling a trimming cutter to move along the surface profile of the workpiece 6 by a linear motor module (composed of a first linear motor 52 and a second linear motor 53) of the trimming mechanism 5 to perform smooth surface trimming processing on the workpiece 6;
after trimming, the rod of the hydraulic cylinder 22 of the clamping mechanism 2 is retracted, and the machined workpiece 6 is taken down.
Claims (4)
1. The deburring device for the insulator is characterized by comprising a driving mechanism for driving a workpiece to rotate, a clamping mechanism for axially clamping the workpiece and the like, wherein one end of the workpiece is connected with the driving mechanism through a motor connecting shaft, and the other end of the workpiece is connected with the clamping mechanism through a pressing head mechanism; one side of the workpiece is provided with a first cutting mechanism for cutting off the connection between the burrs and the umbrella skirt structure of the workpiece and a second cutting mechanism for cutting off the connection between the burrs and the cylindrical surface of the workpiece, and the other side of the workpiece is provided with a trimming mechanism for smoothly trimming the surface of the workpiece;
the pressing head mechanism comprises a stepped shaft and an outer cylinder, the stepped shaft is supported in the outer cylinder through a bearing, the front part of the rod end of a hydraulic cylinder at one end of the stepped shaft is connected, and the outer cylinder is pressed against a workpiece;
the compressing head mechanism further comprises a first angular contact bearing, a second angular contact bearing, an outer cylinder fixing block, a nut and a sleeve; a threaded hole is formed in the center of the circle of the end with the large diameter of the stepped shaft and is used for fixedly connecting with the threads of the rod end of the hydraulic cylinder; the inner ring of the second angular contact bearing is in interference fit with the middle diameter shaft end of the stepped shaft, one end of the inner ring is contacted with the shaft shoulder, and the other end of the inner ring is contacted with one end of the sleeve, so that the axial positioning of the second angular contact bearing is realized; the inner ring of the first angular contact bearing is in interference fit with the middle diameter shaft end of the stepped shaft, one end of the first angular contact bearing is in contact with the nut, and the other end of the first angular contact bearing is in contact with the other end of the sleeve, so that axial positioning is realized; the small-diameter shaft end of the stepped shaft is processed into external threads for fixedly connecting the threads with the threads of the nut; the outer cylinder is of a hollow cylinder structure, the inner through hole is a stepped hole, and the inner wall is in interference fit with the outer rings of the first angular contact bearing and the second angular contact bearing; the outer cylinder fixing block is of a hollow cylinder structure, and the outer cylinder is fixedly connected with the outer cylinder fixing block through screws; the end face of the outer ring of the first angular contact bearing is contacted with the stepped hole of the outer cylinder, and the end face of the outer ring of the second angular contact bearing is contacted with the fixed block of the outer cylinder;
the feeding direction of the first cutting mechanism and the axis of the workpiece are on the same horizontal plane, and the first cutting mechanism feeds along the umbrella skirt; the cutting direction of the second cutting mechanism and the axis of the workpiece form included angles on the horizontal plane and the vertical plane, and the cutting direction of the trimming mechanism and the axis of the workpiece are on the same horizontal plane;
the first cutting mechanism comprises a third base, a first linear sliding table module, a first electric push rod, a first mounting block and a first blade mechanism, wherein the first linear sliding table module is fixedly connected to the third base, the first mounting block is fixedly connected to a sliding table of the first linear sliding table module, the first electric push rod is mounted on the first mounting block, the first blade mechanism is mounted on a push rod end of the first electric push rod, the linear movement direction of the first linear sliding table module is parallel to the axis of a workpiece, a first electric push rod mounting surface is positioned on a horizontal plane, and the telescopic direction of the first electric push rod is parallel to the bevel of an umbrella skirt of the workpiece;
the second cutting mechanism comprises a fourth base, a second linear sliding table module, a second electric push rod, a second mounting block and a second blade mechanism, wherein the second linear sliding table module is fixedly connected to the fourth base, the second mounting block is fixedly connected to a sliding table of the second linear sliding table module, the second electric push rod is mounted on the second mounting block, the second blade mechanism is mounted on a push rod end of the second electric push rod, the movement direction of the second linear sliding table module is parallel to the axis of a workpiece, and the expansion direction of the second electric push rod is inclined to the workpiece on a horizontal plane and a vertical plane;
the trimming mechanism comprises a fifth base, a first linear motor, a second linear motor, a trimming blade mounting block and a trimming blade, wherein the first linear motor is fixed on the fifth base, the movement direction of the first linear motor is parallel to the axis of a workpiece, the second linear motor is fixed on the upper surface of the first linear motor, the movement direction of the second linear motor is perpendicular to the first linear motor, the trimming blade mounting block is fixedly connected on the upper surface of the second linear motor, and the trimming blade is mounted on the trimming blade mounting block.
2. The deburring device for insulators according to claim 1, wherein the driving mechanism comprises a first base, a servo motor and a bearing seat, the servo motor is fixed on the first base, the bearing seat is fixedly connected to the first base, a connecting shaft is fixedly connected in the bearing seat in a rotating mode, one end of the connecting shaft is connected with an output shaft of the motor, and the other end of the connecting shaft is contacted with a process hole at the center of a circle of an end face of a workpiece.
3. The device for deburring an insulator according to claim 1, wherein the clamping mechanism comprises a second base, a hydraulic cylinder and a pressing head mechanism, the hydraulic cylinder is fixedly connected to the second base, and the pressing head mechanism is mounted in front of a rod end of the hydraulic cylinder.
4. An insulator deburring method, which is realized in the insulator deburring device as claimed in claim 1, comprising the steps of:
1) Sleeving a technical hole at one end of a workpiece into a motor connecting shaft of a driving mechanism, wherein the direction of the umbrella skirt structure is parallel to the moving direction of the first cutting mechanism, and a pressing head mechanism at the front part of the rod end of a hydraulic cylinder is used for fixing the workpiece between the driving mechanism and a clamping mechanism to be processed;
2) Starting a first linear sliding table module of the first cutting mechanism, and adjusting a first blade mechanism on the first electric push rod to be positioned at the joint of the work piece umbrella skirt and the sheet-shaped burrs; the first electric push rod extends out, the first blade mechanism feeds obliquely along the umbrella skirt of the workpiece until the first electric push rod retracts after contacting the cylindrical surface of the workpiece;
3) Repeating the step 2) until all connections between the umbrella skirt structure and burrs of the workpiece are cut off;
4) Starting a second linear sliding table module of the second cutting mechanism, adjusting a second electric push rod to a position to be processed, and stopping; the second electric push rod stretches out, the second blade mechanism contacts one end of the joint of the slice-shaped burrs and the cylindrical surface of the workpiece, the second linear sliding table module is started, the second blade mechanism is driven to linearly move towards the other end along the axial direction of the workpiece, and the connection of the slice-shaped burrs and the cylindrical surface of the workpiece can be cut;
5) Repeating the step 4) until all the connection between the cylindrical surface of the workpiece and the sheet-shaped burrs are cut, and removing the sheet-shaped burrs on the workpiece when the sheet-shaped burrs are cut together with the umbrella skirt structure and the cylindrical surface of the workpiece;
6) The clamping mechanism drives the compressing head mechanism to retract, and burrs on the other side of the workpiece are fixed again after being placed towards the cutting mechanism;
7) Repeating the steps 2) -5) to remove burrs on the other side;
8) Starting a servo motor of the rotating mechanism to drive the workpiece to rotate, and controlling a trimming cutter to move along the surface profile of the workpiece by a first linear motor and a second linear motor of the trimming mechanism to perform smooth surface trimming processing on the workpiece;
9) After trimming, the hydraulic cylinder rod of the clamping mechanism is retracted, and the machined workpiece is taken down.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570386.4A CN109676840B (en) | 2018-12-21 | 2018-12-21 | Insulator deburring device and method |
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| CN201811570386.4A CN109676840B (en) | 2018-12-21 | 2018-12-21 | Insulator deburring device and method |
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| CN111570928A (en) * | 2020-06-05 | 2020-08-25 | 北京金朋达航空科技有限公司 | Automatic skin trimming device for target drone assembly production line |
| EP3943282A1 (en) * | 2020-07-24 | 2022-01-26 | Essilor International | Deflashing machine and method of deflashing a lens-mold-assembly |
| CN112318791A (en) * | 2020-09-18 | 2021-02-05 | 扬州华青电子有限公司 | A liftout device for notebook computer button adds clamping apparatus |
| CN114932586B (en) * | 2022-06-11 | 2024-07-09 | 嘉兴艾科新材料科技有限公司 | Automatic cutting device for non-roll core of self-adhesive material |
| CN116638687A (en) * | 2023-06-08 | 2023-08-25 | 保定市高能电力成套设备有限公司 | Sizing material overlap excess material clearing device of arrester production |
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