CN111791077A - Engineering machinery movable arm bucket rod machining tool - Google Patents
Engineering machinery movable arm bucket rod machining tool Download PDFInfo
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- CN111791077A CN111791077A CN202010759747.0A CN202010759747A CN111791077A CN 111791077 A CN111791077 A CN 111791077A CN 202010759747 A CN202010759747 A CN 202010759747A CN 111791077 A CN111791077 A CN 111791077A
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- positioning
- clamping
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- ranging
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
Abstract
A front sliding seat at the front part of a base is provided with a front support positioning block, an end face positioning block, a front centering positioning and clamping device, a front positioning mechanism and a front clamping mechanism; a rear supporting positioning block, a rear centering positioning and clamping device, a rear positioning mechanism and a rear clamping mechanism are arranged on a rear sliding seat at the rear part of the base; the positioning seat of the middle and rear positioning mechanism is provided with an outer side laser ranging mechanism, and the clamping seat of the middle and rear clamping mechanism is provided with an inner side laser ranging mechanism. According to the invention, the movable arm and the front and rear support end surfaces of the bucket rod are centered and positioned, the upper lug plate is subjected to laser detection and is automatically adjusted and clamped, and the adjustable positioning is carried out at another proper position and the side surface is clamped, so that a workpiece can be conveniently, quickly and accurately stabilized on a machine tool workbench to be positioned at a machining position, the milling and boring processing efficiency is improved, and the quality stability of the milling and boring processing is ensured.
Description
Technical Field
The invention relates to a processing tool for a movable arm and a bucket rod of an engineering machine, which is matched with an electrical control device to realize automatic positioning and clamping during processing of the movable arm and the bucket rod of the engineering machine.
Background
The movable arm (large arm) and the bucket rod (small arm) are adjusted, positioned and clamped on a machine tool workbench, complicated work is carried out, and the consistency of the size is difficult to guarantee through manual adjustment and positioning, so that the tool specially used for processing and clamping the movable arm and the bucket rod is absolutely necessary.
Disclosure of Invention
The invention aims to provide a machining tool for a bucket rod of a movable arm of an engineering machine, which solves the defect that the positioning and clamping are labor-consuming and troublesome during the machining of the workpieces at present, so that the clamping efficiency is improved, and the quality stability of boring and milling machining is ensured.
The object of the invention is achieved in the following way: the front centering and positioning and clamping device is supported on the front sliding seat through two front centering lifting oil cylinders, the front positioning mechanism is positioned on the outer side of the rear part of the front sliding seat, the front clamping mechanism is positioned on the inner side of the rear part of the front sliding seat, and the front positioning mechanism and the front clamping mechanism are arranged oppositely; the rear sliding seat which can move back and forth and can be pinned is supported on the rear part of the base through a rear linear guide rail, a rear support positioning block, a rear centering positioning and clamping device, a rear positioning mechanism and a rear clamping mechanism are arranged on the upper surface of the rear sliding seat, the rear centering positioning and clamping device is supported on the rear sliding seat through two rear centering lifting oil cylinders, the rear positioning mechanism is arranged on the outer side of the front part of the rear sliding seat, and the rear clamping mechanism is arranged on the inner side of the front part of the rear sliding seat; a middle front positioning mechanism, a middle front clamping mechanism, a middle rear positioning mechanism and a middle rear clamping mechanism are fixed on the upper surface of the middle part of the base through a cushion seat, the middle front positioning mechanism and the middle rear positioning mechanism are positioned at the outer side, the middle front clamping mechanism and the middle rear clamping mechanism are positioned at the inner side, the middle front positioning mechanism and the middle front clamping mechanism are arranged in front relatively, and the middle rear positioning mechanism and the middle rear clamping mechanism are arranged at the rear relatively; the positioning seat of the middle and rear positioning mechanism is provided with an outer side laser ranging mechanism, and the clamping seat of the middle and rear clamping mechanism is provided with an inner side laser ranging mechanism.
The front positioning mechanism, the middle rear positioning mechanism and the rear positioning mechanism are motor-driven lead screw positioning mechanisms.
The front clamping mechanism, the middle rear clamping mechanism and the rear clamping mechanism are oil cylinder driving clamping mechanisms.
The front centering positioning and clamping device and the rear centering positioning and clamping device are provided with a positioning and clamping support, one end of the positioning and clamping support is fixed with a motor seat, the outer side of the motor seat is fixed with a positioning and clamping motor, the other end of the positioning and clamping support is fixed with a screw tail seat, a positioning and clamping screw rod consisting of a right-handed thread section and a left-handed thread section is supported between the screw tail seat and the positioning and clamping motor, a right-handed nut and a left-handed nut are correspondingly arranged in the right-handed thread section and the left-handed thread section of the positioning and clamping screw rod, two sliding seats are guided and supported on a guide rail on the positioning and clamping support, the sliding seats are sleeved on the positioning and clamping screw rod, the right-handed nut and the left-handed nut are.
The motor-driven lead screw positioning mechanism is provided with a positioning seat, a positioning driving motor is vertically arranged at the bottom of an inner cavity of the positioning seat, a driving bevel gear is supported on a baffle plate of the inner cavity of the positioning seat through a tapered roller bearing, and an output shaft of the positioning driving motor is connected with a wheel shaft of the driving bevel gear through a coupling; concentric through holes are formed in the front wall and the rear wall of the upper part of the positioning seat, a support sleeve is fixed on the through hole of the front wall of the positioning seat, and a bearing seat is fixed on the through hole of the rear wall of the positioning seat; the front part of the threaded sleeve is supported on an inner hole of the support sleeve, and the rear part of the threaded sleeve is supported on the bearing seat through a thrust ball bearing; a driven bevel gear is fixed on the threaded sleeve and meshed with the driving bevel gear; there is the location lead screw through threaded connection on the internal thread hole of thread bush, and the front end of location lead screw even has unsteady pressure head, and there is axial guide way location lead screw front portion, supports the radial screw hole top spin of cover and has the guide pin, and the guide pin front end stretches into and is spacing to location lead screw circumference in the guide way of location lead screw.
The oil cylinder driving clamping mechanism is provided with a clamping seat, the upper part of the clamping seat is fixedly provided with a transversely arranged clamping oil cylinder, and the end part of a piston rod of the clamping oil cylinder is connected with a pressure head through a universal connector.
The outer side laser ranging mechanism is provided with an outer side lower bearing support and an outer side upper bearing support which are fixed on a positioning seat of the positioning mechanism, the outer side lower bearing support and the outer side upper bearing support a vertical outer side ranging lifting screw rod, the outer side ranging lifting motor is fixed on a cushion seat of the positioning mechanism through an outer side motor support, and the outer side ranging lifting motor and the outer side ranging lifting screw rod are connected together through a coupling of the outer side ranging mechanism; an outer ranging lifting nut is sleeved on the outer ranging lifting screw rod and is guided and supported by an outer ranging lifting linear guide rail fixed on the positioning seat, an upright outer supporting rod is fixed on the outer ranging lifting nut, and an outer laser range finder is fixed at the upper end of the outer supporting rod; and an outer encoder connected with the outer ranging lifting screw rod is fixed at the upper end of the outer upper bearing support.
The inner side laser ranging mechanism is provided with an inner side lower bearing support and an inner side upper bearing support which are fixed on a clamping seat of the clamping mechanism, the inner side lower bearing support and the inner side upper bearing support a vertical inner side ranging lifting screw rod, the inner side ranging lifting motor is fixed on a cushion seat of the clamping mechanism through an inner side motor support, and the inner side ranging lifting motor and the inner side ranging lifting screw rod are connected together through a coupling of the inner side ranging mechanism; an inner ranging lifting nut is sleeved on the inner ranging lifting screw rod and is guided and supported by an inner ranging lifting linear guide rail fixed on the clamping seat, an upright inner side supporting rod is fixed on the inner ranging lifting nut, and an inner side laser range finder is fixed at the upper end of the inner side supporting rod; and an inner side encoder connected with the inner side distance measuring lifting screw rod is fixed at the upper end of the inner side upper bearing support.
After the workpiece is preliminarily positioned and clamped by the front centering and clamping device and the rear centering and clamping device, the inner side laser range finder and the outer side laser range finder are driven by the inner side laser range finder and the outer side laser range finder to ascend to a detection position for measuring the distance of the workpiece; after the front clamping mechanism, the middle front clamping mechanism and the rear clamping mechanism clamp the workpiece, the inner side laser range finder mechanism and the outer side laser range finder mechanism drive the inner side laser range finder and the outer side laser range finder to descend, and the influence on the machining of the workpiece by a cutter is avoided.
The invention is used for positioning and clamping the engineering machinery movable arm and bucket rod under the matching of an electrical control system and a hydraulic system, and comprises the following specific working steps: and adjusting the positions of the front sliding seat and the rear sliding seat on the base according to the length of the workpiece, and then fixing the front sliding seat and the rear sliding seat in a pin mode. A workpiece is hoisted on a base, a front supporting and positioning block and a rear supporting and positioning block vertically support the workpiece to perform vertical positioning, end face positioning blocks are used for limiting the front and rear direction of the workpiece and giving out detection signals, the workpiece is placed on the workpiece and then the front supporting and positioning block gives out signals, a front centering and positioning clamping device and a rear centering and positioning clamping device motor drive a positioning and clamping screw rod to act, the positioning blocks clamp two side faces of the end part of the workpiece to realize centering and positioning clamping of the workpiece, control signals are given out after clamping, an outer side laser range finder and an inner side laser range finder are lifted to detect the position of an ear plate of the workpiece, after positioning, the centering is automatically adjusted to a required range through a middle and rear positioning mechanism and a middle and rear clamping mechanism, the middle and rear clamping mechanism is controlled to perform positioning through the signals, and the middle and rear positioning mechanism is hydraulically clamped, the force is flexibly adjusted within the range of preventing the workpiece from deforming through the adjustment of hydraulic pressure, signals are sent to control the oil cylinder driving clamping mechanisms of the front clamping mechanism, the middle and front clamping mechanism and the rear clamping mechanism to clamp the workpiece, signals are sent to control the front centering and positioning clamping device and the rear centering and positioning clamping device to be driven and loosened after the workpiece is clamped in place, the rear centering and lifting oil cylinder and the front centering and lifting oil cylinder are loosened to descend after the workpiece is loosened, so that the centering and positioning clamping mechanism is separated from a clamping surface to facilitate the processing of the end surface and the inner hole, the cutter interference is avoided, and the outer side laser range finder and the inner side laser range finder also descend to. The front slide seat on the front linear guide rail and the rear slide seat on the rear linear guide rail can be adjusted in position in the front-back direction to adapt to the processing work of various workpieces. The tool is controlled by a PLC, has a function of full-automatic positioning and clamping by one-key operation after a workpiece is placed on the tool, and has the functions of manual adjustment and manual intervention. The processing content is as follows: the movable arm mainly conducts boring and inner side plane milling of a front fork, middle support outer side plane milling and boring pin of a hole, rear support outer side plane milling and boring of a hole, inner side plane milling of upper and lower oil cylinder support (lug plate) holes and boring of a hole; the bucket rod class mainly carries out milling of the outer side plane of the front support and boring of an inner hole, milling of the outer side plane of the rear support and boring of a hole, milling of the inner side plane of a hole of a rear oil cylinder support (rear lug plate) of an upper oil cylinder support (upper lug plate) and boring of a hole.
According to the invention, the movable arm and the front and rear support end surfaces of the bucket rod are centered and positioned, the upper lug plate is subjected to laser detection and is automatically adjusted and clamped, and the adjustable positioning is carried out at another proper position and the side surface is clamped, so that a workpiece can be conveniently, quickly and accurately stabilized on a machine tool workbench to be positioned at a machining position, the milling and boring processing efficiency is improved, and the quality stability of the milling and boring processing is ensured. The full-automatic positioning and clamping function through one-key operation can be realized through electric control, and the full-automatic positioning and clamping device has the function of manual adjustment and manual intervention.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a top view of the present invention.
FIG. 3 is a view of the front and rear centering/clamping device.
FIG. 4 is a motor driven lead screw positioning mechanism.
Fig. 5 is a cylinder driven clamping mechanism configuration.
Fig. 6 is an outside laser range finding mechanism diagram.
Fig. 7 is an inside laser rangefinder mechanism diagram.
In the figure: 1-a base; 2-front centering, positioning and clamping device; 3-front supporting and positioning blocks; 4-end face positioning blocks; 5-a front positioning mechanism; 6-a front clamping mechanism; 7-front linear guide rail; 8-middle front clamping mechanism; 9-a middle front positioning mechanism; 10-a middle rear positioning mechanism; 11-middle rear clamping mechanism; 12-an outer laser ranging mechanism; 13-an inboard laser ranging mechanism; 14-rear linear guide; 15-a rear clamping mechanism; 16-a rear positioning mechanism; 17-rear support positioning blocks; 18-rear centering, positioning and clamping device; 19-centering the lift cylinder; 20-centering the lift cylinder in front. 2-1, positioning and clamping a support; 2-motor base; 2-3-positioning of the clamping motor: 2-4, positioning and clamping a screw rod; 2-5-right-hand nut; 2-6-sliding seat; 2-7-a positioning block; 2-8-left-handed nut; 2-9-tail seat of screw rod. 5-1-positioning seat; 5-2-positioning the driving motor; 5-3-a coupler; 5-4-tapered roller bearing; 5-drive bevel gear; 5-6-driven bevel gear; 5-7-thrust ball bearing; 5-8-bearing seat; 5-9-thread sleeve; 5-10-support sleeve; 5-11-positioning screw rod; 5-12-guide pin; 5-13-is a floating pressure head. 6-1-clamping seat; 6-2-clamping oil cylinder; 6-3-universal connector; 6-4-pressure head. 12-1-outer motor support; 12-2-outside ranging lift motor; 12-3-outside ranging mechanism coupling; 12-4-outer lower bearing support; 12-5-outer proximity switch; 12-6-outer distance measurement lifting screw rod; 12-7-outer distance measurement lifting linear guide rail; 12-8-outer distance measurement lifting nut; 12-9-outer upper bearing support; 12-10-outer encoder; 12-11-lateral struts; 12-outside laser rangefinder. 13-1-inner motor support; 13-2-inside ranging lift motor; 13-3-inside ranging mechanism coupling; 13-4-inner lower bearing support; 13-5-inside proximity switch; 13-6-inside ranging elevating screw; 13-7-inside ranging lifting linear guide rail; 13-8 inner side distance measuring lifting nuts; 13-9-inner side upper bearing support; 13-10-inner encoder; 13-11-medial strut; 13-12-inside laser rangefinder.
Detailed Description
Referring to fig. 1 and 2, the device comprises a base 1, a front sliding seat which moves back and forth and can be pinned is supported on the front part of the base 1 through a front linear guide rail 7, a front support positioning block 3, an end surface positioning block 4, a front centering positioning and clamping device 2, a front positioning mechanism 5 and a front clamping mechanism 6 are arranged on the upper surface of the front sliding seat, the front centering positioning and clamping device 2 is supported on the front sliding seat through two front centering lifting cylinders 20, the front positioning mechanism 5 is positioned on the outer side of the rear part of the front sliding seat, the front clamping mechanism 6 is positioned on the inner side of the rear part of the front sliding seat, and the front positioning mechanism 5 and the; a rear sliding seat which can move back and forth and can be pinned is supported on the rear part of the base 1 through a rear linear guide rail 14, a rear support positioning block 17, a rear centering positioning and clamping device 18, a rear positioning mechanism 16 and a rear clamping mechanism 15 are arranged on the upper surface of the rear sliding seat, the rear centering positioning and clamping device 18 is supported on the rear sliding seat through two rear centering lifting oil cylinders 19, the rear positioning mechanism 16 is arranged on the outer side of the front part of the rear sliding seat, and the rear clamping mechanism 15 is arranged on the inner side of the front part of the rear sliding seat; a middle front positioning mechanism 9, a middle front clamping mechanism 8, a middle rear positioning mechanism 10 and a middle rear clamping mechanism 11 are supported and fixed on the upper surface of the middle part of the base 1 through a cushion seat, the middle front positioning mechanism 9 and the middle rear positioning mechanism 10 are positioned at the outer side, the middle front clamping mechanism 8 and the middle rear clamping mechanism 11 are positioned at the inner side, the middle front positioning mechanism 9 and the middle front clamping mechanism 8 are arranged in front relatively, and the middle rear positioning mechanism 10 and the middle rear clamping mechanism 11 are arranged at the rear relatively; an outer side laser ranging mechanism 12 is installed on a positioning seat of the middle and rear positioning mechanism 10, and an inner side laser ranging mechanism 13 is installed on a clamping seat of the middle and rear clamping mechanism 11.
Referring to fig. 3, the front centering and clamping device 2 and the rear centering and clamping device 18 are provided with a positioning and clamping support 2-1, one end of the upper part of the positioning and clamping support 2-1 is fixed with a motor seat 2-2, the outer side of the motor seat 2-2 is fixed with a positioning and clamping motor 2-3, the other end of the upper part of the positioning and clamping support 2-1 is fixed with a screw tail seat 2-9, a positioning and clamping screw 2-4 consisting of a right-handed thread section and a left-handed thread section is supported between the screw tail seat 2-9 and the positioning and clamping motor 2-3, a right-handed nut 2-5 and a left-handed nut 2-8 are correspondingly arranged on the right-handed thread section and the left-handed thread section of the positioning and clamping screw 2-4, two sliding seats 2-6 are guided and supported on a guide, the sliding seats 2-6 are sleeved on the positioning clamping screw rods 2-4, the right-handed nuts 2-5 and the left-handed nuts 2-8 are correspondingly fixed on the sliding seats 2-6, and the positioning blocks 2-7 are fixed on the opposite surfaces of the two sliding seats 2-6. The positioning and clamping motor 2-3 is electrified to rotate forwards or backwards to drive the positioning and clamping screw rod 2-4 to rotate forwards or backwards, so that the two sliding seats 2-6 move relatively to clamp the workpiece or move back to release the clamping of the workpiece.
Referring to fig. 4, the front positioning mechanism 5, the middle front positioning mechanism 9, the middle rear positioning mechanism 10, and the rear positioning mechanism 16 are motor-driven lead screw positioning mechanisms. The motor-driven screw positioning mechanism is provided with a positioning seat 5-1, a positioning driving motor 5-2 is vertically arranged at the bottom of an inner cavity of the positioning seat 5-1, a driving bevel gear 5-5 is supported on a baffle plate of the inner cavity of the positioning seat 5-1 through a tapered roller bearing 5-4, and an output shaft of the positioning driving motor 5-2 is connected with a wheel shaft of the driving bevel gear 5-5 through a coupling 5-3; concentric through holes are formed in the front wall and the rear wall of the upper part of the positioning seat 5-1, a support sleeve 5-10 is fixed on the through hole of the front wall of the positioning seat 5-1, and a bearing seat 5-8 is fixed on the through hole of the rear wall of the positioning seat 5-1; the front part of the threaded sleeve 5-9 is supported on an inner hole of the support sleeve 5-10, and the rear part of the threaded sleeve 5-9 is supported on a bearing seat 5-8 through a thrust ball bearing 5-7; a driven bevel gear 5-6 is fixed on the threaded sleeve 5-9, and the driven bevel gear 5-6 is meshed with the driving bevel gear 5-5; the inner threaded hole of the threaded sleeve 5-9 is connected with a positioning screw rod 5-11 through threads, the front end of the positioning screw rod 5-11 is connected with a floating pressure head 5-13, the front part of the positioning screw rod 5-11 is provided with an axial guide groove, a radial threaded hole of the support sleeve 5-10 is screwed with a guide pin 5-12, and the front end of the guide pin 5-12 extends into the guide groove of the positioning screw rod 5-11 to circumferentially limit the positioning screw rod 5-11. When the positioning driving motor 5-2 rotates, the driving bevel gear 5-5 is driven to rotate through the coupler 5-3, the driving bevel gear 5-5 drives the driven bevel gear 5-6 to rotate, the driven bevel gear 5-6 drives the threaded sleeve 5-9 to rotate, the threaded sleeve 5-9 drives the positioning screw 5-11 which is fixed in the circumferential direction to move, the positioning screw 5-11 is made to move back and forth through the forward rotation or the reverse rotation of the positioning driving motor 5-2, and the floating pressure head 5-13 abuts against a workpiece or leaves the workpiece.
Referring to fig. 5, the front clamping mechanism 6, the middle front clamping mechanism 8, the middle rear clamping mechanism 11, and the rear clamping mechanism 15 are cylinder-driven clamping mechanisms. The oil cylinder driving clamping mechanism is provided with a clamping seat 6-1, the upper part of the clamping seat 6-1 is fixedly provided with a transversely arranged clamping oil cylinder 6-2, and the end part of a piston rod of the clamping oil cylinder 6-2 is connected with a pressure head 6-4 through a universal connector 6-3. The clamping oil cylinder 6-2 drives the pressure head 6-4 to move to clamp the workpiece or release the workpiece.
Referring to fig. 6, the outer side laser distance measuring mechanism 12 has an outer side lower bearing support 12-4 and an outer side upper bearing support 12-9 fixed on the positioning seat of the middle rear positioning mechanism 10, the outer side lower bearing support 12-4 and the outer side upper bearing support 12-9 support a vertical outer side distance measuring lifting screw 12-6, an outer side distance measuring lifting motor 12-2 fixed on the cushion seat of the middle rear positioning mechanism 10 through an outer side motor support 12-1, and the outer side distance measuring lifting motor 12-2 and the outer side distance measuring lifting screw 12-6 are connected together through an outer side distance measuring mechanism coupler 12-3; an outer distance measurement lifting nut 12-8 is sleeved on the outer distance measurement lifting screw rod 12-6, the outer distance measurement lifting nut 12-8 is guided and supported by an outer distance measurement lifting linear guide rail 12-7 fixed on a positioning seat of the middle rear positioning mechanism 10, an upright outer side supporting rod 12-11 is fixed on the outer distance measurement lifting nut 12-8, and an outer side laser distance meter 12-12 is fixed at the upper end of the outer side supporting rod 12-11; an outer encoder 12-10 connected with the outer ranging lifting screw 12-6 is fixed at the upper end of the outer upper bearing support 12-9, and the outer encoder 12-10 is used for acquiring rotation data of the outer ranging lifting screw 12-6 and transmitting the rotation data to an electric control system. An outer proximity switch 12-5 is arranged at the lower part of the outer distance measurement lifting linear guide rail 12-7 and used for controlling the outer distance measurement lifting nut 12-8 to descend to a set lower limit position. The outer distance measurement lifting motor 12-2 rotates to drive the outer distance measurement lifting screw 12-6 to rotate, so that the outer distance measurement lifting nut 12-8 is driven to lift along the outer distance measurement lifting linear guide rail 12-7, and the outer support rod 12-11 drives the outer laser distance measurement instrument 12-12 to move up and down to detect a workpiece. The outer distance measurement lifting motor 12-2 rotates forward and backward to drive the outer distance measurement lifting nut 12-8 to ascend or descend, and accordingly the outer support rod 12-11 drives the outer laser distance meter 12-12 to ascend or descend.
Referring to fig. 7, the inside laser ranging mechanism 13 has an inside lower bearing support 13-4 and an inside upper bearing support 13-9 fixed on a clamping seat of the middle rear clamping mechanism 11, the inside lower bearing support 13-4 and the inside upper bearing support 13-9 support a vertical inside ranging elevating screw 13-7, and has an inside ranging elevating motor 13-2 fixed on a cushion seat of the clamping mechanism 11 through an inside motor support 13-1, the inside ranging elevating motor 13-2 and the inside ranging elevating screw 13-6 are connected together through an inside ranging mechanism coupling 13-3; an inner ranging lifting nut 13-8 is sleeved on the inner ranging lifting screw rod 13-6, the inner ranging lifting nut 13-8 is guided and supported by an inner ranging lifting linear guide rail 13-7 fixed on a clamping seat of the clamping mechanism 11, an upright inner supporting rod 13-11 is fixed on the inner ranging lifting nut 13-8, and an inner laser range finder 13-12 is fixed at the upper end of the inner supporting rod 13-11; an inner side encoder 13-10 connected with the inner side distance measuring lifting screw 13-6 is fixed at the upper end of the inner side upper bearing support 13-9, and the inner side encoder 13-10 is used for acquiring the rotation data of the inner side distance measuring lifting screw 13-6 and transmitting the rotation data to an electric control system. An inner side proximity switch 13-5 is arranged at the lower part of the inner side distance measurement lifting linear guide rail 13-7 and is used for controlling the inner side distance measurement lifting nut 13-8 to descend to a set lower limit position. The inner side distance measurement lifting motor 13-2 rotates to drive the inner side distance measurement lifting screw 13-6 to rotate, so that the inner side distance measurement lifting nut 13-8 is driven to generate lifting action along the inner side distance measurement lifting linear guide rail 13-7, and the inner side support rod 13-11 drives the inner side laser distance measurement instrument 13-12 to move up and down to detect a workpiece. Compared with the outer laser ranging mechanism 12, the inner laser ranging mechanism 13 has a different fixed position, a relative direction and the same other structure.
Claims (8)
1. The utility model provides an engineering machine tool movable arm fill pole class processing frock, includes a base, its characterized in that: the front part of the base (1) is supported by a front linear guide rail (7) to move back and forth and can be pinned with a front sliding seat, the upper surface of the front sliding seat is provided with a front supporting positioning block (3), an end face positioning block (4), a front centering positioning clamping device (2), a front positioning mechanism (5) and a front clamping mechanism (6), the front centering positioning clamping device (2) is supported on the front sliding seat by two front centering lifting oil cylinders (20), the front positioning mechanism (5) is positioned on the outer side of the rear part of the front sliding seat, the front clamping mechanism (6) is positioned on the inner side of the rear part of the front sliding seat, and the front positioning mechanism (5) and the front clamping mechanism (6) are arranged; a rear sliding seat which can move back and forth and can be pinned is supported on the rear part of the base (1) through a rear linear guide rail (14), a rear supporting positioning block (17), a rear centering positioning clamping device (18), a rear positioning mechanism (16) and a rear clamping mechanism (15) are arranged on the upper surface of the rear sliding seat, the rear centering positioning clamping device (18) is supported on the rear sliding seat through two rear centering lifting oil cylinders (19), the rear positioning mechanism (16) is arranged on the outer side of the front part of the rear sliding seat, and the rear clamping mechanism (15) is arranged on the inner side of the front part of the rear sliding seat; a middle front positioning mechanism (9), a middle front clamping mechanism (8), a middle rear positioning mechanism (10) and a middle rear clamping mechanism (11) are supported and fixed on the upper surface of the middle part of the base (1) through a cushion seat, the middle front positioning mechanism (9) and the middle rear positioning mechanism (10) are positioned at the outer side, the middle front clamping mechanism (8) and the middle rear clamping mechanism (11) are positioned at the inner side, the middle front positioning mechanism (9) and the middle front clamping mechanism (8) are arranged in front oppositely, and the middle rear positioning mechanism (10) and the middle rear clamping mechanism (11) are arranged behind oppositely; an outer side laser ranging mechanism (12) is arranged on a positioning seat (5-1) of the middle and rear positioning mechanism (10), and an inner side laser ranging mechanism (13) is arranged on a clamping seat (6-1) of the middle and rear clamping mechanism (11).
2. The engineering machinery movable arm bucket rod machining tool according to claim 1, characterized in that: the front positioning mechanism (5), the middle front positioning mechanism (9), the middle rear positioning mechanism (10) and the rear positioning mechanism (16) are motor-driven lead screw positioning mechanisms.
3. The engineering machinery movable arm bucket rod machining tool according to claim 1, characterized in that: the front clamping mechanism (6), the middle front clamping mechanism (8), the middle rear clamping mechanism (11) and the rear clamping mechanism (15) are oil cylinder driving clamping mechanisms.
4. The engineering machinery movable arm bucket rod machining tool according to claim 1, characterized in that: the front centering positioning and clamping device (2) and the rear centering positioning and clamping device (18) are provided with a positioning and clamping support (2-1), one end of the upper part of the positioning and clamping support (2-1) is fixed with a motor seat (2-2), the outer side of the motor seat (2-2) is fixed with a positioning and clamping motor (2-3), the other end of the upper part of the positioning and clamping support (2-1) is fixed with a screw tail seat (2-9), a positioning and clamping screw (2-4) consisting of a right-handed thread section and a left-handed thread section is supported between the screw tail seat (2-9) and the positioning and clamping motor (2-3), a right-handed nut (2-5) and a left-handed nut (2-8) are correspondingly arranged in the right-handed thread section and the left-handed thread section of the positioning and clamping screw (2-4), and two sliding seats (2-6) are guided and supported, the sliding seats (2-6) are sleeved on the positioning clamping screw rods (2-4), the right-handed nuts (2-5) and the left-handed nuts (2-8) are correspondingly fixed on the sliding seats (2-6), and the positioning blocks (2-7) are fixed on the opposite surfaces of the two sliding seats (2-6).
5. The engineering machinery movable arm bucket rod machining tool according to claim 2, characterized in that: the motor-driven screw positioning mechanism is provided with a positioning seat (5-1), a positioning driving motor (5-2) is vertically arranged at the bottom of an inner cavity of the positioning seat (5-1), a driving bevel gear (5-5) is supported on a partition plate of the inner cavity of the positioning seat (5-1) through a tapered roller bearing (5-4), and an output shaft of the positioning driving motor (5-2) is connected with a wheel shaft of the driving bevel gear (5-5) through a coupling (5-3); concentric through holes are formed in the front wall and the rear wall of the upper part of the positioning seat (5-1), a support sleeve (5-10) is fixed on the through hole of the front wall of the positioning seat (5-1), and a bearing seat (5-8) is fixed on the through hole of the rear wall of the positioning seat (5-1); the front part of the threaded sleeve (5-9) is supported on an inner hole of the support sleeve (5-10), and the rear part of the threaded sleeve (5-9) is supported on the bearing seat (5-8) through a thrust ball bearing (5-7); a driven bevel gear (5-6) is fixed on the threaded sleeve (5-9), and the driven bevel gear (5-6) is meshed with the driving bevel gear (5-5); the positioning screw rod (5-11) is connected to an internal thread hole of the threaded sleeve (5-9) through threads, the front end of the positioning screw rod (5-11) is connected with a floating pressure head (5-13), an axial guide groove is formed in the front portion of the positioning screw rod (5-11), a guide pin (5-12) is screwed on a radial threaded hole of the support sleeve (5-10), and the front end of the guide pin (5-12) extends into the guide groove of the positioning screw rod (5-11) to limit the positioning screw rod (5-11) in the circumferential direction.
6. The engineering machinery movable arm bucket rod machining tool according to claim 3, characterized in that: the oil cylinder driving clamping mechanism is provided with a clamping seat (6-1), the upper part of the clamping seat (6-1) is fixedly provided with a transversely arranged clamping oil cylinder (6-2), and the end part of a piston rod of the clamping oil cylinder (6-2) is connected with a pressure head (6-4) through a universal connector (6-3).
7. The engineering machinery movable arm bucket rod machining tool according to claim 1, characterized in that: the outer side laser ranging mechanism (12) is provided with an outer side lower bearing support (12-4) and an outer side upper bearing support (12-9) which are fixed on a positioning seat (5-1) of the middle rear positioning mechanism (10), the outer side lower bearing support (12-4) and the outer side upper bearing support (12-9) support a vertical outer side ranging lifting screw rod (12-6), the outer side ranging lifting motor (12-2) is fixed on a cushion seat of the middle rear positioning mechanism (10) through an outer side motor support (12-1), and the outer side ranging lifting motor (12-2) and the outer side ranging lifting screw rod (12-6) are connected together through an outer side ranging mechanism coupler (12-3); an outer ranging lifting nut (12-8) is sleeved on the outer ranging lifting screw rod (12-6), the outer ranging lifting nut (12-8) is guided and supported through an outer ranging lifting linear guide rail (12-7) fixed on the positioning seat (5-1), an upright outer supporting rod (12-11) is fixed on the outer ranging lifting nut (12-8), and an outer laser range finder (12-12) is fixed at the upper end of the outer supporting rod (12-11); an outer encoder (12-10) connected with an outer distance measuring lifting screw rod (12-6) is fixed at the upper end of the outer upper bearing support (12-9).
8. The engineering machinery movable arm bucket rod machining tool according to claim 1, characterized in that: the inner side laser ranging mechanism (13) is provided with an inner side lower bearing support (13-4) and an inner side upper bearing support (13-9) which are fixed on a clamping seat (6-1) of the middle and rear clamping mechanism (11), the inner side lower bearing support (13-4) and the inner side upper bearing support (13-9) support a vertical inner side ranging lifting screw rod (13-7), the inner side ranging lifting motor (13-2) is fixed on a cushion seat of the clamping mechanism (11) through an inner side motor support (13-1), and the inner side ranging lifting motor (13-2) and the inner side ranging lifting screw rod (13-6) are connected together through an inner side ranging mechanism coupler (13-3); an inner ranging lifting nut (13-8) is sleeved on the inner ranging lifting screw rod (13-6), the inner ranging lifting nut (13-8) is guided and supported by an inner ranging lifting linear guide rail (13-7) fixed on the clamping seat (6-1), an upright inner side supporting rod (13-11) is fixed on the inner ranging lifting nut (13-8), and an inner side laser range finder (13-12) is fixed at the upper end of the inner side supporting rod (13-11); an inner side encoder (13-10) connected with an inner side distance measuring lifting screw rod (13-6) is fixed at the upper end of the inner side upper bearing support (13-9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010759747.0A CN111791077A (en) | 2020-07-31 | 2020-07-31 | Engineering machinery movable arm bucket rod machining tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010759747.0A CN111791077A (en) | 2020-07-31 | 2020-07-31 | Engineering machinery movable arm bucket rod machining tool |
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| Publication Number | Publication Date |
|---|---|
| CN111791077A true CN111791077A (en) | 2020-10-20 |
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| CN202010759747.0A Pending CN111791077A (en) | 2020-07-31 | 2020-07-31 | Engineering machinery movable arm bucket rod machining tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828634A (en) * | 2020-12-31 | 2021-05-25 | 山东加法智能科技股份有限公司 | Long-arm-piece-adjustable quick-positioning machine tool fixture and clamping and positioning method |
-
2020
- 2020-07-31 CN CN202010759747.0A patent/CN111791077A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828634A (en) * | 2020-12-31 | 2021-05-25 | 山东加法智能科技股份有限公司 | Long-arm-piece-adjustable quick-positioning machine tool fixture and clamping and positioning method |
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