CN114986229A - Blank feeding device and method for machining guide wheel axle seat of excavator - Google Patents
Blank feeding device and method for machining guide wheel axle seat of excavator Download PDFInfo
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- CN114986229A CN114986229A CN202210560223.8A CN202210560223A CN114986229A CN 114986229 A CN114986229 A CN 114986229A CN 202210560223 A CN202210560223 A CN 202210560223A CN 114986229 A CN114986229 A CN 114986229A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
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Abstract
The invention provides a blank feeding device for machining a guide wheel axle seat of an excavator, which relates to the technical field of machining and comprises the following components: a conveyance adjusting portion, a clamping portion, and a robot; the conveyance adjusting section includes: a conveying trough and an adjusting platform; the conveying groove is used for conveying workpiece blanks, and the adjusting table is used for assisting in positioning three positioning references of the workpiece; the clamping portion includes: the clamping body, the centre gripping main part lower extreme has the electromagnetism to adsorb the panel, holds the work piece after for send the blank of centre gripping to the lathe workstation. In addition, the invention also provides an operation method of the feeding equipment. The invention aims to assist an operator to quickly find the positioning reference of a workpiece and put a workpiece blank on a workbench of a machine tool, thereby reducing the labor intensity of the operator and improving the workpiece clamping efficiency.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a blank feeding device and method for machining of a guide wheel axle seat of an excavator.
Background
The tracked vehicle is a vehicle with a tracked running system instead of a wheel running system, and has the advantages of small unit pressure on the ground, small subsidence, strong adhesion capability and strong running and passing capability. The track is a flexible chain ring driven by the driving wheel and formed around the driving wheel, the loading wheel, the guide wheel and the supporting wheel. Wherein, the guide wheel is arranged on the vehicle body through a shaft seat. The guide wheel axle seat is roughly in a cuboid shape as shown in figure 1, an axle hole and a bearing seat hole are vertically arranged on one large plane of the cuboid, an outer flange of the bearing seat hole protrudes out of the large plane, a bolt mounting hole is arranged on the other opposite large plane, mounting holes and pin holes are respectively arranged on two side faces of the large plane, and a mounting hole is further arranged at one end of the large plane. The manufacturing process of the guide axle seat is generally as follows: firstly, forming a blank of the shaft seat by pouring; then, three references in fig. 1(a) are machined on a machine tool through one-time clamping, and by taking a cartesian coordinate system as reference, a reference J1 represents the central axis of the shaft hole, namely, the shaft is coaxially mounted and arranged along a Z-axis, a reference J2 represents the end plane of the shaft hole, is positioned close to the end face of the bearing and is located on an XOY plane, the intersection point of the end plane and the central axis is an O point, and a reference J3 represents a mounting plane perpendicular to the end plane, namely, the mounting plane is parallel to YOZ; and finally, clamping and processing the rest bolt holes, pin holes and the like according to the three standards. However, the weight of the workpiece reaches about 100KG, and the workpiece is currently processed by being conveyed to a machine tool workbench by a worker and then being adjusted and clamped, so that on one hand, the clamping adjustment time is long, and the efficiency is low; on the other hand, the workpieces are heavy, so that the labor intensity of an operator is high, and the risk of injury is correspondingly increased. Therefore, it is necessary to design and develop a corresponding blank loading device or apparatus for loading the workpiece blank onto the table of the machine tool.
Disclosure of Invention
In view of this, the present invention provides a blank feeding device for machining a guide axle seat of an excavator, which can assist an operator to quickly find a positioning reference of a workpiece and load the workpiece blank onto a worktable of a machine tool, thereby reducing the labor intensity of the operator to a certain extent and improving the workpiece clamping efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the invention provides a blank feeding device for machining a guide wheel axle seat of an excavator, which comprises: a conveyance adjusting portion, a clamping portion, and a robot;
the conveyance adjusting section includes: a conveying trough and an adjusting platform; the conveying trough is adaptive to the width of the blank, the adjusting table is positioned between the feeding end and the discharging end of the conveying trough, and the upper end of the adjusting table is flush with the bottom of the conveying trough; a first counter bore and a second counter bore which are used for containing the outer flange of the bearing seat hole are arranged at the upper end of the adjusting table side by side along the direction of the groove width; a first jacking assembly is arranged in the first counter bore, and a second jacking assembly is arranged in the second counter bore; the first jacking assembly comprises: the lower first positioning conical column is matched with the shaft hole, and the first positioning panel is matched with the end face of the bearing seat hole; correspondingly, the second jacking assembly comprises: the lower second positioning conical column is matched with the shaft hole, and the second positioning panel is matched with the end face of the bearing seat hole;
the holding portion includes: the clamping device comprises a clamping main body, wherein an annular electromagnetic adsorption panel is installed at the lower end of the clamping main body, an upper first positioning conical column and an upper second positioning conical column which are matched with a shaft hole are arranged in the annular side by side, the upper first positioning conical column is installed on the clamping main body through an upper first jacking spring, and the upper second positioning conical column is installed on the clamping main body through an upper second jacking spring; a first side positioning plate and a second side positioning plate which are close to or far away from the movable electromagnetic adsorption panel are oppositely arranged on two sides of the electromagnetic adsorption panel;
the execution end of the manipulator is provided with the clamping main body for conveying the clamped blank to a machine tool workbench.
Further, the lower end of the first positioning panel is mounted on the adjusting table through a first rotating shaft which is coaxially arranged, and correspondingly, the lower end of the second positioning panel is mounted on the adjusting table through a second rotating shaft which is coaxially arranged; the lower end of the first rotating shaft is provided with a first telescopic rod used for lifting, and correspondingly, the lower end of the second rotating shaft is provided with a second telescopic rod used for lifting.
Furthermore, a first S-shaped sliding groove is formed in the excircle of the first rotating shaft along the axis direction, a second S-shaped sliding groove is formed in the excircle of the second rotating shaft along the axis direction, a limiting part moving along the radial direction is arranged in the adjusting platform, a first limiting head matched with the first S-shaped sliding groove and a second limiting head matched with the second S-shaped sliding groove are arranged on the limiting part, and when the first limiting head is matched with the first S-shaped sliding groove and the second limiting head is matched with the second S-shaped sliding groove, the first rotating shaft and the second rotating shaft synchronously lift, so that the first rotating shaft and the second rotating shaft synchronously rotate.
Furthermore, the lower end of the first rotating shaft is rotatably arranged on a first lifting seat, and a first tensioning spring hooked with an outer circular plate of the first rotating shaft is arranged on the first lifting seat; correspondingly, the lower end of the second rotating shaft is rotatably arranged on the second lifting seat, and a second tensioning spring hooked with the outer circular plate of the second rotating shaft is arranged on the second lifting seat.
Furthermore, a first photoelectric emitter is arranged at the upper end of the lower first positioning conical column, and a second photoelectric emitter is arranged at the upper end of the lower second positioning conical column; the lower end of the upper first positioning conical column is provided with a first photoelectric receiver, and correspondingly, the lower end of the upper second positioning conical column is provided with a second photoelectric receiver.
Furthermore, a first induction switch and a second induction switch are sequentially arranged at the position, close to the discharging side, of the conveying groove, the position is detected through the first induction switch by taking the axis of the shaft hole as a boundary when the blank is conveyed forwards by the short end, close to the shaft hole, of the blank; when the blank is close to the long end of shaft hole and is carried forward, detect the position simultaneously through first inductive switch and second inductive switch.
In addition, the invention also provides an operation method of the blank feeding equipment for machining the guide wheel axle seat of the excavator, which comprises the following steps:
s1, placing the blank at the feeding end of the conveying groove, ensuring that the bearing seat hole faces downwards, and conveying the blank to an adjusting table, wherein the blank is divided into two feeding conditions by taking the axis of the shaft hole as a boundary: if the blank is conveyed forwards close to the short end of the shaft hole, the outer flange of the bearing seat hole falls into the first counter bore, the first jacking assembly ascends, the clamping main body descends, the upper first positioning conical column and the lower first positioning conical column are matched to tightly press the shaft hole, namely, the first datum is aligned, the upper first positioning conical column and the lower first positioning conical column are continuously pressed to enable the end face of the bearing seat hole to be attached to the first positioning panel, namely, the second datum is aligned, the first side positioning plate moves towards the direction close to the shaft hole and is tightly attached to the long end face of the blank, namely, the third datum is aligned; if the blank is conveyed forwards close to the long end of the shaft hole, the outer flange of the bearing seat hole falls into the second counter bore, the second jacking assembly ascends, the clamping main body descends, the upper second positioning conical column and the lower second positioning conical column are matched to jack the shaft hole tightly in a butting mode, namely, the first datum is found, the bearing seat hole end face is enabled to be attached to the second positioning panel in a butting mode through continuous butting, namely, the second datum is found, the second side positioning plate moves towards the direction close to the shaft hole and is tightly attached to the long end face of the blank, namely, the third datum is found;
s2, the manipulator sends the blank on the clamping main body to a machine tool workbench, and the blank feeding condition is divided into two feeding conditions: if the blank is conveyed forward near the short end of the shaft hole, the blank is directly conveyed to the workbench; if the blank is conveyed forwards close to the long end of the shaft hole, the manipulator needs to rotate the clamping main body for 180 degrees around the vertical shaft and then convey the blank to the workbench;
and S3, returning to the initial position to prepare for feeding the next workpiece blank.
Further, in the blank conveying process, when one end of the S1 is obliquely poured into the first counter bore or the second counter bore, the first jacking assembly and the second jacking assembly are simultaneously ejected upwards, and the upper ends of the first jacking assembly and the second jacking assembly synchronously rotate anticlockwise or clockwise.
Compared with the prior art, the invention has the beneficial effects that: according to the blank feeding device and the operation method for machining the guide wheel shaft seat of the excavator, no matter a workpiece is placed in the conveying groove in a positive or reverse mode, an operator can be assisted to quickly find the positioning reference of the workpiece as long as the bearing seat hole faces downwards, the workpiece blank is put on the workbench of a machine tool, the labor intensity of the operator is relieved, the workpiece clamping efficiency is improved, and the operation risk is correspondingly reduced.
In addition, the first jacking assembly and the second jacking assembly in the feeding equipment can be simultaneously pushed upwards, and the upper ends of the first jacking assembly and the second jacking assembly synchronously rotate anticlockwise or clockwise, so that the sharp-corner jacking part at the end part of the first jacking assembly and the second jacking assembly can easily escape from the first counter bore or the second counter bore and then continue to recover the normal feeding direction to move, and a workpiece is not clamped in the conveying groove.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic perspective view of a guide axle seat of an excavator to be processed according to the present invention; wherein, (a) is a first view angle structure diagram of the product; (b) is a structural schematic diagram in the direction A in (a); (c) a first view angle structure schematic diagram of a blank after three reference points are processed; (d) is a structural schematic diagram in the direction B in (c);
FIG. 2 is a schematic structural view of a loading device in a front view;
FIG. 3 is a schematic top view of the feed chute of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the cross-sectional view A-A of FIG. 2 according to the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4 in the direction B;
FIG. 6 is a schematic view of the cross-sectional view C-C of FIG. 4 according to the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 2;
FIG. 8 is a schematic top view of the first and second jacking assemblies in their extreme positions; wherein, (e) is counterclockwise rotation to an extreme position; (f) is rotated clockwise to an extreme position.
In the figure: 1. a conveyance adjusting section; 11. a first jacking assembly; 111. a lower first positioning conical column; 112. a first positioning panel; 113. a first photoemitter; 114. a lower first jacking spring; 115. a first rotating shaft; 116. a first telescopic rod; 117. a first S-shaped chute; 118. a first lifting seat; 119. a first tension spring; 12. a second jacking assembly; 121. a lower second positioning conical column; 122. a second positioning panel; 123. a second photoemitter; 124. a lower second jacking spring; 125. a second rotating shaft; 126. a second telescopic rod; 127. a second S-shaped chute; 128. a second lifting seat; 129. a second tension spring; 2. a clamping portion; 200. an electromagnetic adsorption panel; 201. a first side positioning plate; 202. a second side positioning plate; 211. mounting a first positioning conical column; 212. an upper first jacking spring; 213. a first photoelectric receiver; 221. an upper second positioning conical column; 222. an upper second jacking spring; 223. a second photoelectric receiver; 3. a limiting component; 101. a first counterbore; 102. a second counterbore; 1001. a conveying trough; 1002. an adjusting table; 1003. a first inductive switch; 1004. and a second inductive switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic perspective view of a guide axle seat of an excavator to be processed according to the present invention; wherein, (a) is a first view angle structure diagram of the product; (b) is a structural schematic diagram in the direction A in (a); (c) the first visual angle structure schematic diagram of the blank after three reference points are processed; (d) is a structural schematic diagram in the direction B in (c); the three references J1, J2 and J3 are machined by one-time clamping, the time is long, and then the three references are required to be positioned on a machining center machine tool to machine the rest mounting bolt holes, pin holes and the like, so that the machining efficiency is improved.
Example one
Referring to fig. 2-8, fig. 2 is a schematic front view of a loading device according to the present invention; FIG. 3 is a schematic top view of the feed chute of FIG. 2 in accordance with the present invention; FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 2 according to the present invention; FIG. 5 is a schematic view of the structure of FIG. 4 in the direction B; FIG. 6 is a schematic view of the cross-sectional view C-C of FIG. 4 according to the present invention; FIG. 7 is an enlarged view of a portion of FIG. 2; FIG. 8 is a schematic top view of the first and second jacking assemblies in their extreme positions; wherein, (e) is counterclockwise rotation to an extreme position; (f) is rotated clockwise to an extreme position.
In a specific embodiment, an embodiment of the present invention provides a blank feeding apparatus for machining a guide axle seat of an excavator, including: a conveyance adjusting portion 1, a clamping portion 2, and a robot;
the conveyance adjusting section 1 includes: a conveying tank 1001 and an adjusting table 1002; the conveying trough 1001 is adaptive to the width of a blank, a conveyor belt can be adopted at the bottom of the conveying trough 1001, the adjusting table 1002 is positioned between the feeding end and the discharging end of the conveying trough 1001, and the upper end of the adjusting table 1002 is flush with the bottom of the conveying trough 1001; a first counter bore 101 and a second counter bore 102 for accommodating outer flanges of bearing seat holes are arranged at the upper end of the adjusting table 1002 side by side along the direction of the groove width, wherein the part of the first counter bore 101, which is about lower than three thirds of the part of the second counter bore 102, is overlapped, and the design is made for processing workpieces; a first jacking assembly 11 is arranged in the first counter bore 101 and is located at the lowest position of the bottom of the hole in an initial state, and a second jacking assembly 12 is arranged in the second counter bore 102 and is located at the lowest position of the bottom of the hole in the initial state; the first jacking assembly 11 comprises: the lower first positioning conical column 111 is matched with the shaft hole, the first positioning panel 112 is matched with the end face of the bearing seat hole, the first positioning panel 112 is rotatably arranged in the first counter bore 101 around a vertical shaft, and the lower first positioning conical column 111 is coaxially arranged on the first positioning panel 112 through a lower first jacking spring 114 and is in a right conical shape; accordingly, the second jacking assembly 12 comprises: the lower second positioning conical column 121 is matched with the shaft hole, the second positioning panel 122 is matched with the end face of the bearing seat hole, the second positioning panel 122 is rotatably installed in the second counter bore 102 around a vertical shaft, and the lower second positioning conical column 121 is coaxially installed on the second positioning panel 122 through a lower second jacking spring 124 and is in a positive conical shape;
the holding portion 2 includes: the electromagnetic adsorption type clamping device comprises a clamping main body, wherein an annular electromagnetic adsorption panel 200 is installed at the lower end of the clamping main body, an upper first positioning conical column 211 and an upper second positioning conical column 221 which are matched with a shaft hole are arranged in the annular interior side by side and are in inverted cone shape, and the upper first positioning conical column 211 and the upper second positioning conical column 221 are in line contact with the upper end of the shaft hole, so that the upper first positioning conical column 211 is installed on the clamping main body 200 through an upper first jacking spring 212, and the upper second positioning conical column 221 is installed on the clamping main body 200 through an upper second jacking spring 222; the two sides of the electromagnetic adsorption panel 200 are relatively provided with a first side positioning plate 201 and a second side positioning plate 202 which are close to or far away from each other, the direction of the first side positioning plate 201 and the second side positioning plate 202 is consistent with the feeding direction, wherein the relative sliding of the first side positioning plate 201 and the second side positioning plate 202 can be limited by a guide rail and the first side positioning plate 201 and the second side positioning plate 202 are driven by an electric telescopic piece;
the execution end of the manipulator is provided with the clamping main body and is used for conveying the clamped blank to a machine tool workbench, wherein the manipulator can be a multi-freedom-degree manipulator.
Example two
Based on the first embodiment, in order to ensure that the lifting movement of the jacking assembly is achieved, in this embodiment, optionally, the lower end of the first positioning panel 112 is installed on the adjusting table 1002 through a coaxially arranged first rotating shaft 115, and correspondingly, the lower end of the second positioning panel 122 is installed on the adjusting table 1002 through a coaxially arranged second rotating shaft 125; the lower end of the first rotating shaft 115 is provided with a first telescopic rod 116 for lifting, and correspondingly, the lower end of the second rotating shaft 125 is provided with a second telescopic rod 126 for lifting; wherein, the lifting and moving parts of the rotating shaft are matched through sliding bearings.
Further, a first S-shaped sliding slot 117 is disposed on the outer circle of the first rotating shaft 115 along the axial direction, and correspondingly, a second S-shaped sliding slot 127 is disposed on the outer circle of the second rotating shaft 125 along the axial direction, a limiting component 3 moving along the radial direction is disposed in the adjusting platform 1002, a first limiting head cooperating with the first S-shaped sliding slot 117 and a second limiting head cooperating with the second S-shaped sliding slot 127 are disposed on the limiting component 3, when the first limiting head cooperates with the first S-shaped sliding slot 117 and the second limiting head cooperates with the second S-shaped sliding slot 127, and simultaneously, when the first rotating shaft 115 and the second rotating shaft 125 lift synchronously, the first rotating shaft 115 and the second rotating shaft 125 rotate synchronously; therefore, if one end of the workpiece is obliquely poured into the first counterbore 101 or the second counterbore 102, the first jacking component 11 and the second jacking component 12 are simultaneously jacked upwards, and the upper ends of the two jacking components synchronously rotate anticlockwise or clockwise, so that the sharp-corner jacking part at the end part of the first jacking component and the second jacking component can easily escape from the first counterbore 101 or the second counterbore 102 and then continue to return to the normal feeding direction to move, and the workpiece is not clamped in the conveying groove 1001.
Still further, the lower end of the first rotating shaft 115 is rotatably mounted on a first lifting seat 118, the first lifting seat 118 is provided with a first tensioning spring 119 hooked with an outer circular plate of the first rotating shaft 115, and a plurality of tensioning springs can be uniformly distributed around the first rotating shaft; correspondingly, the lower end of the second rotating shaft 125 is rotatably mounted on the second lifting seat 128, the second lifting seat 128 is provided with a second tensioning spring 129 hooked with the excircle plate of the second rotating shaft 125, and a plurality of tensioning springs can be uniformly distributed around the second rotating shaft; the lifting seat can be limited by a vertically arranged guide rail; the elastic reset can be realized through the action of the tight spring, namely, the elastic reset can be realized when the workpiece is not contacted with the positioning panel.
EXAMPLE III
Based on the first or second embodiment, in order to accurately identify the conveying direction of the workpiece, in this embodiment, optionally, the first photoelectric emitter 113 is installed at the upper end of the lower first positioning conical column 111, and the second photoelectric emitter 123 is installed at the upper end of the lower second positioning conical column 121; the lower end of the upper first positioning conical column 211 is provided with a first photoelectric receiver 213, and correspondingly, the lower end of the upper second positioning conical column 221 is provided with a second photoelectric receiver 223. When the blank is conveyed forward near the short end of the shaft hole, the first photoelectric emitter 113 and the first photoelectric receiver 213 are communicated through the shaft hole, so that accurate identification is provided; when the blank is close to the long end in shaft hole and is carried forward, second photoelectric transmitter 123 passes through the shaft hole switch-on with second photoelectric receiver 223, provides accurate discernment, ensures which group's jacking subassembly action of control.
Example four
Based on the first or second embodiment, in order to identify the conveying direction of the workpiece for the second time, in this embodiment, optionally, a first inductive switch 1003 and a second inductive switch 1004 are sequentially disposed at a position of the conveying chute 1001 near the discharging side, the inductive switches may be travel switches or photoelectric sensors, and the position is detected by the first inductive switch 1003 when the short end of the blank near the shaft hole is conveyed forward, with the shaft hole axis as a boundary; when the billet is conveyed forward near the long end of the shaft hole, the position is detected simultaneously by the first inductive switch 1003 and the second inductive switch 1004.
EXAMPLE five
Based on the first to the fourth embodiments, the invention further provides an operation method of the blank feeding device for machining the guide axle seat of the excavator, which comprises the following steps:
s1, placing the blank at the feed end of the conveying groove 1001, ensuring that the bearing seat hole faces downwards, and conveying the blank to the adjusting table 1002, wherein the blank is divided into two feeding conditions by taking the axis of the shaft hole as a boundary: if the blank is conveyed forward close to the short end of the shaft hole, the outer flange of the bearing seat hole falls into the first counter bore 101, the first jacking assembly 11 rises, the clamping main body descends, the upper first positioning conical column 211 and the lower first positioning conical column 111 are matched to tightly press the shaft hole, namely, the first datum is aligned, the upper first positioning conical column and the lower first positioning conical column are continuously pressed to enable the end face of the bearing seat hole to be attached to the first positioning panel 112, namely, the second datum is aligned, the first side positioning plate 201 moves towards the direction close to the shaft hole and is attached to the long end face of the blank, namely, the third datum is aligned; if the blank is conveyed forward close to the long end of the shaft hole, the outer flange of the bearing seat hole falls into the second counter bore 102, the second jacking assembly 12 rises, the clamping main body descends, the upper second positioning conical column 221 and the lower second positioning conical column 121 are matched to tightly press and jack the shaft hole, namely, the first datum is found, the pressing is continued to enable the end face of the bearing seat hole to be attached to the second positioning panel 122, namely, the second datum is found, the second side positioning plate 202 moves towards the direction close to the shaft hole and is tightly attached to the long end face of the blank, namely, the third datum is found;
s2, the manipulator sends the blank on the clamping main body to the machine tool workbench, and the two feeding conditions are as follows: if the blank is conveyed forward near the short end of the shaft hole, the blank is directly conveyed to the workbench; if the blank is conveyed forwards close to the long end of the shaft hole, the manipulator needs to rotate the clamping main body for 180 degrees around the vertical shaft and then convey the clamping main body to the workbench;
and S3, returning to the initial position, and preparing to feed the next workpiece blank.
The feeding equipment can assist an operator to quickly find the positioning reference of the workpiece, and the workpiece blank is loaded on the workbench of the machine tool, so that the labor intensity of the operator is reduced, the workpiece clamping efficiency is improved, and the operation risk is correspondingly reduced.
Further, in the blank conveying process, when one end of the S1 is obliquely poured into the first counterbore 101 or the second counterbore 102, the first jacking assembly 11 and the second jacking assembly 12 are simultaneously ejected upward, and the upper ends of the first jacking assembly and the second jacking assembly synchronously rotate counterclockwise or clockwise; the sharp-angle propping part at any end part of the workpiece can easily escape from the first counter bore or the second counter bore and then continue to recover the normal feeding direction to move, so that the workpiece is not blocked in the conveying groove.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (8)
1. The utility model provides an excavator guide wheel axle seat processing is with blank charging equipment which characterized in that includes: a conveying adjustment part (1), a clamping part (2), and a manipulator;
the conveyance adjusting section (1) includes: a conveying trough (1001) and an adjusting table (1002); the conveying trough (1001) is adaptive to the width of a blank, the adjusting table (1002) is positioned between the feeding end and the discharging end of the conveying trough (1001), and the upper end of the adjusting table (1002) is flush with the bottom of the conveying trough (1001); a first counter bore (101) and a second counter bore (102) which are used for accommodating outer flanges of bearing seat holes are arranged at the upper end of the adjusting table (1002) side by side along the direction of the groove width; a first jacking assembly (11) is arranged in the first counter bore (101), and a second jacking assembly (12) is arranged in the second counter bore (102); the first jacking assembly (11) comprises: the bearing seat structure comprises a lower first positioning conical column (111) matched with a shaft hole and a first positioning panel (112) matched with the end face of the bearing seat hole, wherein the first positioning panel (112) is rotatably arranged in a first counter bore (101) around a vertical shaft, and the lower first positioning conical column (111) is coaxially arranged on the first positioning panel (112) through a lower first jacking spring (114); accordingly, the second jacking assembly (12) comprises: the lower second positioning conical column (121) is matched with the shaft hole, the second positioning panel (122) is matched with the end face of the bearing seat hole, the second positioning panel (122) is rotatably installed in the second counter bore (102) around a vertical shaft, and the lower second positioning conical column (121) is coaxially installed on the second positioning panel (122) through a lower second jacking spring (124);
the clamping portion (2) includes: the clamping device comprises a clamping main body, wherein an annular electromagnetic adsorption panel (200) is installed at the lower end of the clamping main body, an upper first positioning conical column (211) and an upper second positioning conical column (221) which are matched with a shaft hole are arranged in the annular side by side, the upper first positioning conical column (211) is installed on the clamping main body (200) through an upper first jacking spring (212), and the upper second positioning conical column (221) is installed on the clamping main body (200) through an upper second jacking spring (222); a first side positioning plate (201) and a second side positioning plate (202) which are close to or far away from the moving are oppositely arranged on two sides of the electromagnetic adsorption panel (200);
the execution end of the manipulator is provided with the clamping main body for conveying the clamped blank to the worktable of the machine tool.
2. The blank feeding device for machining of the guide wheel axle seat of the excavator as claimed in claim 1, wherein the lower end of the first positioning panel (112) is mounted on the adjusting table (1002) through a first rotating shaft (115) which is coaxially arranged, and correspondingly, the lower end of the second positioning panel (122) is mounted on the adjusting table (1002) through a second rotating shaft (125) which is coaxially arranged; the lower end of the first rotating shaft (115) is provided with a first telescopic rod (116) for lifting, and correspondingly, the lower end of the second rotating shaft (125) is provided with a second telescopic rod (126) for lifting.
3. The apparatus for loading blanks for machining guide axle seats of excavators according to claim 2, a first S-shaped sliding groove (117) is arranged on the excircle of the first rotating shaft (115) along the axial direction, correspondingly, a second S-shaped sliding groove (127) is arranged on the excircle of the second rotating shaft (125) along the axial direction, a limiting component (3) moving along the radial direction is arranged in the adjusting table (1002), a first limiting head matched with the first S-shaped sliding groove (117) and a second limiting head matched with the second S-shaped sliding groove (127) are arranged on the limiting component (3), when the first limiting head is matched with the first S-shaped sliding chute (117) and the second limiting head is matched with the second S-shaped sliding chute (127), meanwhile, when the first rotating shaft (115) and the second rotating shaft (125) synchronously lift, the first rotating shaft (115) and the second rotating shaft (125) synchronously rotate.
4. The blank feeding device for machining the guide axle seat of the excavator as claimed in claim 2, wherein the lower end of the first rotating shaft (115) is rotatably mounted on a first lifting seat (118), and a first tensioning spring (119) hooked with an excircle plate of the first rotating shaft (115) is arranged on the first lifting seat (118); correspondingly, the lower end of the second rotating shaft (125) is rotatably installed on the second lifting seat (128), and a second tensioning spring (129) hooked with the excircle plate of the second rotating shaft (125) is arranged on the second lifting seat (128).
5. The blank feeding device for the guide wheel axle seat processing of the excavator as claimed in any one of claims 1 to 4, wherein the first photoelectric emitter (113) is installed at the upper end of the lower first positioning conical column (111), and the second photoelectric emitter (123) is installed at the upper end of the lower second positioning conical column (121); the lower end of the upper first positioning conical column (211) is provided with a first photoelectric receiver (213), and correspondingly, the lower end of the upper second positioning conical column (221) is provided with a second photoelectric receiver (223).
6. The blank feeding device for the guide wheel axle seat machining of the excavator according to any one of claims 1 to 4, wherein a first induction switch (1003) and a second induction switch (1004) are sequentially arranged at the position, close to the discharging side, of the conveying groove (1001), the position is detected through the first induction switch (1003) when the blank is conveyed towards the front near the short end of the axle hole by taking the axle hole axis as a boundary; when the blank is conveyed forward near the long end of the shaft hole, the position is detected simultaneously by a first inductive switch (1003) and a second inductive switch (1004).
7. The method for operating an excavator guide wheel axle seat machining blank feeding apparatus as recited in any one of claims 1 to 6, comprising the steps of:
s1, placing the blank at the feed end of a conveying groove (1001), ensuring that a bearing seat hole faces downwards, and conveying the blank to an adjusting table (1002), wherein the blank is divided into two feeding conditions by taking the axis of a shaft hole as a boundary: if the blank is close to the short end of the shaft hole and conveyed forwards, the outer flange of the bearing seat hole falls into the first counter bore (101), the first jacking assembly (11) rises, the clamping main body descends, the upper first positioning conical column (211) and the lower first positioning conical column (111) are matched to press and jack the shaft hole tightly, namely, the first datum is found, the alignment is continued, so that the end face of the bearing seat hole is attached to the first positioning panel (112), namely, the second datum is found, the first side positioning plate (201) moves towards the direction close to the shaft hole and is attached to the long end face of the blank tightly, namely, the third datum is found; if the blank is conveyed forwards close to the long end of the shaft hole, the outer flange of the bearing seat hole falls into the second counter bore (102), the second jacking assembly (12) rises, the clamping main body descends, the upper second positioning conical column (221) and the lower second positioning conical column (121) are matched to press and jack the shaft hole tightly, namely the first datum is found, the pressing is continued to enable the end face of the bearing seat hole to be attached to the second positioning panel (122), namely the second datum is found, the second side positioning plate (202) moves towards the direction close to the shaft hole and is attached to the long end face of the blank tightly, namely the third datum is found;
s2, the manipulator sends the blank on the clamping main body to the machine tool workbench, and the two feeding conditions are as follows: if the blank is conveyed forward near the short end of the shaft hole, the blank is directly conveyed to the workbench; if the blank is conveyed forwards close to the long end of the shaft hole, the manipulator needs to rotate the clamping main body for 180 degrees around the vertical shaft and then convey the clamping main body to the workbench;
and S3, returning to the initial position, and preparing to feed the next workpiece blank.
8. The operating method according to claim 7, wherein when one end of the S1 is obliquely poured into the first counter bore (101) or the second counter bore (102) during the blank conveying process, the first jacking assembly (11) and the second jacking assembly (12) are simultaneously ejected upwards, and the upper ends of the first jacking assembly and the second jacking assembly rotate synchronously anticlockwise or clockwise.
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| CN202210560223.8A CN114986229B (en) | 2022-05-23 | 2022-05-23 | Blank feeding device and method for machining guide wheel axle seat of excavator |
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| CN202210560223.8A CN114986229B (en) | 2022-05-23 | 2022-05-23 | Blank feeding device and method for machining guide wheel axle seat of excavator |
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| CN114986229B CN114986229B (en) | 2022-12-13 |
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|---|---|---|---|---|
| FR1368111A (en) * | 1962-11-15 | 1964-07-31 | Loire Atel Forges | handling equipment for vertical lathes, in particular for machining wagon wheels |
| CN203778823U (en) * | 2014-03-31 | 2014-08-20 | 浙江博雷重型机床制造有限公司 | Rack billet milling machine with steering manipulators |
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| CN114986229B (en) | 2022-12-13 |
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Denomination of invention: A blank feeding device and method for processing the guide wheel axle seat of excavator Effective date of registration: 20230222 Granted publication date: 20221213 Pledgee: Shandong Rongcheng Rural Commercial Bank Co.,Ltd. Pledgor: RONGCHENG RONGSHENG RUBBER MACHINERY Co.,Ltd. Registration number: Y2023980033129 |
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