CN116986466A

CN116986466A - Five CNC revolving stage assembly is with high accuracy location hoist and mount feeding equipment

Info

Publication number: CN116986466A
Application number: CN202310990523.4A
Authority: CN
Inventors: 刘红卫; 黄东妹
Original assignee: Shenzhen Huachuang Intelligent Equipment Co ltd
Current assignee: Shenzhen Huachuang Intelligent Equipment Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2023-11-03

Abstract

The invention relates to hoisting equipment, in particular to high-precision positioning hoisting feeding equipment for assembling a five-axis CNC turntable, which comprises a hoisting machine, a connecting support and a connecting disc, wherein the hoisting machine comprises a support, a swing arm, a hoisting machine and a hoisting rope, the end of the hoisting rope is connected with the connecting support, the connecting support is connected with the connecting disc in a sliding manner, the hoisting machine also comprises clamping plates, a screw rod, an internal thread sleeve and a turntable, the connecting disc is connected with a plurality of clamping plates in a sliding manner at uniform intervals along the circumferential direction, the clamping plates are connected with the screw rod, the connecting disc is connected with the internal thread sleeves with the same number as the clamping plates in a rotating manner at uniform intervals along the circumferential direction, the screw rod is in threaded fit with the internal thread sleeve, and the turntable is connected with the internal thread sleeve. According to the invention, when the lifting device is used for lifting, the connecting rope is pulled out through the connecting support, so that the internal thread sleeve is driven to rotate, the clamping plate clamps the workpiece, the effect of automatically clamping the workpiece is realized, and the assembly precision is improved.

Description

Five CNC revolving stage assembly is with high accuracy location hoist and mount feeding equipment

Technical Field

The invention relates to hoisting equipment, in particular to high-precision positioning hoisting feeding equipment for assembling a five-axis CNC turntable.

Background

CNC machine tool is a computer numerical control machine tool, is an automatic machine tool with a program control system, and is mainly used for large-scale processing of parts. Most of the devices are used for milling grooves, cutting and the like on parts, when the CNC machine tool is used for machining the parts, workpieces are required to be placed at the CNC rotary table, and most of the devices are hoisted due to the fact that the whole weight of the workpieces is large.

At present, when lifting is carried out by using lifting equipment again, the workpiece is usually required to be fixed on the lifting equipment firstly, then the workpiece is lifted, so that the workpiece is lifted to a rotary table, the workpiece is required to be manually fixed in advance in the operation process, and the workpiece is required to be repeatedly adjusted after being lifted to the rotary table, so that the workpiece can be placed by completely aligning the lifting equipment and the rotary table, the position of the workpiece is prevented from being deviated when the workpiece is placed, and the whole operation process is complicated.

Disclosure of Invention

The invention provides high-precision positioning lifting feeding equipment for assembling a five-axis CNC turntable, which can automatically fix a workpiece during lifting and can assist in positioning after being lifted to the turntable, in order to overcome the defects that the existing mode needs manual fixation in advance and the position needs repeated adjustment after being lifted to the turntable so that the workpiece is completely aligned with the turntable and the operation is complicated.

The technical scheme of the invention is as follows: the utility model provides a five CNC revolving stage assembly is with high accuracy location hoist and mount feeding equipment, including lifting machine, linking bridge, connection pad, the lifting machine is including support, swing arm, hoist engine and lifting rope constitution, lifting rope end-to-end connection has the linking bridge, sliding connection has the connection pad on the linking bridge, still including grip block, screw rod, internal thread cover, elastic component one, carousel, connecting rope and positioning mechanism, be connected with the polylith grip block along circumference even interval sliding connection on the connection pad, be connected with the screw rod on the grip block, be connected with the internal thread cover that quantity is unanimous with the grip block along circumference even interval rotation on the connection pad, the internal thread cover screw thread fit, the internal thread cover with be connected with elastic component one between the connection, be connected with the carousel on the carousel, the connection rope with the linking bridge is connected, be equipped with positioning mechanism on the connection pad, positioning mechanism is used for carrying out positioning treatment to the position between connection pad and the revolving stage.

Further, positioning mechanism is including sliding rack, go-between, cylindrical gear, positioning pawl and elastic component two, evenly spaced sliding connection has sliding rack along circumference on the connection pad, the connection pad lower part is connected with the go-between, evenly spaced along circumference is connected with the positioning pawl that quantity is unanimous with sliding rack through rotating on the go-between, be connected with cylindrical gear through one-way clutch on the positioning pawl, four cylindrical gears are located four sliding rack's removal orbit department respectively, the positioning pawl with be connected with elastic component two between the go-between.

Further, the anti-slip device also comprises an anti-slip pad, and the inner side of the clamping plate is connected with the anti-slip pad.

Further, the novel rotary connecting device further comprises a locking mechanism, the locking mechanism comprises a rotary ring, locking blocks, protruding shafts and elastic pieces, the rotary ring is connected to the upper portion of the connecting disc in a rotary mode, the locking blocks are connected to the top of the rotary ring at equal intervals along the circumferential direction, protruding shafts with the same number as the locking blocks are connected to the connecting support at equal intervals along the circumferential direction, the locking blocks are used for locking the protruding shafts, and the elastic pieces I are connected between the rotary ring and the connecting disc.

Further, the locking block is provided with a locking groove which is obliquely arranged, the locking groove extends to the side wall of the locking block, and the protruding shaft can move into the locking groove, so that the locking block can fix the protruding shaft.

Further, still including blocking the mechanism, it is four including wedge fixture block, wedge extrusion piece and elastic component to block the mechanism, evenly spaced sliding connection has the wedge fixture block that quantity and slip rack are unanimous along circumference on the connection pad, wedge fixture block is used for with it is fixed to slip rack, wedge fixture block with be connected with elastic component between the connection pad four, evenly spaced connection has the wedge extrusion piece that quantity and wedge fixture block are unanimous along circumference on the swivel, and a plurality of wedge extrusion pieces are located the removal orbit department of a plurality of wedge fixture blocks respectively.

Further, the automatic lifting device further comprises an extension mechanism, the extension mechanism comprises an extension shaft, an air cylinder and a guide wheel, the swing arm part of the lifting machine is connected with the extension shaft in a sliding mode, the air cylinder is installed on the swing arm part of the lifting machine, a piston of the air cylinder is connected with the extension shaft, the guide wheel is installed on the extension shaft, and a lifting rope of the lifting machine bypasses the guide wheel.

Further, the crane further comprises a movable frame, and the crane is mounted on the movable frame.

The beneficial effects are that: 1. according to the invention, when the connecting rope is pulled out through the connecting bracket during lifting, the internal thread sleeve is driven to rotate, so that the clamping plate clamps a workpiece, the effect of automatically clamping the workpiece is realized, meanwhile, through the arrangement of the positioning claw, the connecting disc can be directly put down when the connecting disc is positioned at the approximate position above the turntable, and at the moment, the connecting disc can be aligned through the relative acting force generated between the swinging of the positioning claw and the turntable, so that the positioning operation is assisted, the operation is more convenient, and the assembly precision is improved.

2. After the hoisting is finished, when the connecting support and the connecting disc are required to be moved out, the connecting support and the connecting disc can be locked together through the arrangement of the locking block and the protruding shaft, so that the workpiece is prevented from being clamped by the clamping plate in the moving-out process.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of a partial perspective structure of the present invention.

Fig. 3 is a partial cross-sectional view of the connection bracket and connection pad of the present invention.

FIG. 4 is a schematic diagram of the connection relationship between the female screw sleeve, the turntable and the connecting rope.

FIG. 5 is a schematic view of the positioning mechanism of the present invention.

FIG. 6 is a schematic view of the locking mechanism of the present invention.

Fig. 7 is a first schematic view of the latching mechanism of the present invention.

Fig. 8 is a second schematic view of the latching mechanism of the present invention.

Fig. 9 is an enlarged view of portion a of fig. 8 in accordance with the present invention.

Part names and serial numbers in the figure: 1_hoist, 11_support, 12_swing arm, 13_hoist rope, 15_hoist, 2_connection bracket, 3_connection pad, 4_clamp plate, 41_cleat, 5_screw, 6_female screw sleeve, 7_elastic member one, 8_rotary table, 9_connection rope, 101_sliding rack, 102_connection ring, 103_cylindrical gear, 104_positioning pawl, 105_elastic member two, 111_swivel, 112_locking block, 113_male shaft, 114_elastic member three, 121_wedge clamp block, 122_wedge extrusion block, 123_elastic member four, 131_extension shaft, 132_cylinder, 133_guide wheel, 14_moving carriage, 100_rotary table.

Detailed Description

The invention is described in detail below with reference to the drawings and the specific embodiments.

Example 1

The utility model provides a five CNC revolving stage high accuracy location hoist and mount feeding equipment for assembly, is shown as fig. 1-5, including lifting machine 1, linking bridge 2, connection pad 3, grip block 4, screw rod 5, internal thread cover 6, elastic component one 7, carousel 8, connecting rope 9 and positioning mechanism, lifting machine 1 is including support 11, swing arm 12, hoist engine 15 and lifting rope 13 constitute, lifting rope 13 end-to-end connection has linking bridge 2, linking bridge 2 lower part sliding connection has connection pad 3, be connected with four grip blocks 4 along circumference even interval sliding connection on connection pad 3, grip block 4 is used for carrying out the centre gripping to the work piece, be connected with screw rod 5 on the grip block 4, be connected with four internal thread covers 6 along circumference even interval rotation on connection pad 3, four internal thread covers 6 respectively with four screw rod 5 threaded connection to make internal thread cover 6 rotate and can drive screw rod 5 and remove, internal thread cover 6 with be connected with elastic component one 7 between the 3, elastic component one 7 is for the spring cover 6, be connected with the connection pad 3 with the internal thread cover 6, be connected with the positioning mechanism on the connection pad 3 has 3 for the spiral rope 3, be connected with the positioning mechanism on the position on the disc 3 is connected with the carousel 3, be connected with the positioning mechanism with 3.

As shown in fig. 2 and fig. 5, the positioning mechanism comprises a sliding rack 101, a connecting ring 102, a cylindrical gear 103, a positioning claw 104 and a second elastic member 105, the sliding rack 101 is slidably connected to the connecting disc 3 at uniform intervals along the circumferential direction, the sliding rack 101 can slide up and down along the connecting disc 3, the connecting ring 102 is connected to the lower portion of the connecting disc 3, the positioning claw 104 is connected to the connecting ring 102 at uniform intervals along the circumferential direction through rotation, the positioning claw 104 can abut against the CNC turntable 100 for positioning, the positioning claw 104 is connected with the cylindrical gear 103 through a one-way clutch, the cylindrical gear 103 is connected to the rotation position of the positioning claw 104 and the connecting ring 102, the four cylindrical gears 103 are respectively located at the movement track positions of the four sliding racks 101, so that the sliding racks 101 can move the cylindrical gear 103 to rotate, the second elastic member 105 is connected between the positioning claw 104 and the connecting ring 102, and the second elastic member 105 is a torsion spring.

In the assembly process of CNC before machining, workpieces need to be hoisted to the CNC turntable 100, at the moment, the hoisting equipment can be used, when hoisting, the connecting disc 3 is controlled to be sleeved on the outer side of the workpieces to be hoisted, then the hoisting machine 1 is controlled to hoist the connecting support 2, the connecting support 2 can pull out the connecting rope 9 when hoisting, the connecting support 2 can drive the turntable 8 to rotate when pulling out the connecting rope 9, the turntable 8 drives the internal thread sleeve 6 to rotate when rotating, the elastic piece I7 is compressed, the internal thread sleeve 6 can drive the screw 5 to move towards the connecting disc 3 through threads between the internal thread sleeve and the screw 5 when rotating, the screw 5 drives the clamping plate 4 to move together when moving, the clamping plate 4 can prop against the workpieces after moving, the workpieces are clamped and fixed, after the connecting support 2 continues to move upwards, the turntable 8 can be pulled up through the connecting rope 9, thereby pulling up the connecting disc 3 to realize the lifting operation of the workpiece, after the connecting disc 3 moves upwards, the sliding rack 101 does not prop against the ground any more, at this time, the sliding rack 101 moves downwards under the action of gravity, at this time, the sliding rack 101 rubs the cylindrical gear 103 to rotate, the positioning claw 104 does not rotate under the action of the one-way clutch, after lifting the workpiece, the lifting machine 1 is controlled to operate to move the workpiece above the CNC turntable 100, then the connecting bracket 2 and the connecting disc 3 are put down, the connecting disc 3 can drive the sliding rack 101 to move downwards when moving downwards, the sliding rack 101 moves downwards against the CNC turntable 100, at this time, the connecting disc 3 continues to move downwards, the sliding rack 101 moves upwards relative to the connecting disc 3, so that the cylindrical gear 103 rotates reversely, and the cylindrical gear 103 can drive the positioning claw 104 to swing downwards when rotating reversely, the elastic piece II 105 deforms to enable the four positioning claws 104 to clamp the periphery of the CNC turntable 100 respectively, if the positions of the positioning claws 104 deviate in the clamping process, the positioning claws 104 can prop against the turntable 100 to enable the whole turntable 3 to move through the relative acting force between the states and the positioning claws 104, so that the turntable 100 and the turntable 3 are aligned, the alignment operation of the turntable 100 and the turntable 3 is assisted, after the turntable 3 is completely put down, the sliding rack 101 is separated from the cylindrical gear 103, the positioning claws 104 are reset under the action of the elastic piece II 105, then the connecting support 2 is put down, at the moment, the connecting support 2 loosens the connecting rope 9, the internal thread sleeve 6 reversely rotates under the action of the elastic piece I7 to drive the screw 5 to move outwards, so that the clamping plate 4 is driven to loosen a workpiece, so that the hoisting operation of the workpiece can be completed, after the hoisting is completed, the connecting support 2 and the connecting support 3 are manually pressed from the workpiece, the device can be used for hoisting the workpiece, and the connecting support 2 can be automatically fixed with the CNC turntable 100 in the auxiliary positioning process.

Example 2

On the basis of embodiment 1, as shown in fig. 6, the workpiece clamping device further comprises a non-slip pad 41, wherein the non-slip pad 41 is connected to the inner side of the clamping plate 4, and the clamping plate 4 is contacted with the workpiece by the non-slip pad 41 when clamping the workpiece so as to prevent the workpiece from sliding down in the clamping process.

As shown in fig. 6, the locking mechanism further comprises a swivel 111, a locking block 112, a protruding shaft 113 and an elastic piece three 114, the swivel 111 is rotatably connected to the upper portion of the connecting disc 3, four locking blocks 112 are uniformly and alternately connected to the top of the swivel 111 along the circumferential direction, four protruding shafts 113 are uniformly and alternately connected to the connecting support 2 along the circumferential direction, the locking blocks 112 are used for locking the protruding shafts 113, an elastic piece one 7 is connected between the swivel 111 and the connecting disc 3, the elastic piece one 7 is a compression spring, a locking groove which is obliquely arranged is formed in the locking blocks 112, the locking groove extends to the side wall of the locking block 112, and the protruding shafts 113 can move into the locking groove so that the locking blocks 112 can fix the protruding shafts 113.

When the workpiece is required to be clamped and lifted, the swivel 111 can be pulled to enable the locking block 112 to be separated from the protruding shaft 113 for rotation, the second elastic piece 105 is compressed, then lifting is carried out, the connecting support 2 is lifted firstly, the connecting disc 3 is lifted through the connecting rope 9, when the connecting support 2 and the connecting disc 3 are required to be taken out after the workpiece is lifted, the swivel 111 can be loosened, at the moment, the swivel 111 is reversely rotated and reset under the action of the second elastic piece 105 to enable the locking block 112 to clamp the protruding shaft 113, at the moment, lifting can drive the connecting support 2 and the connecting disc 3 to synchronously move upwards through the locking block 112, the protruding shaft 113 and the connecting ring 102, so that the connecting support 2 and the connecting disc 3 which are lifted are not required to be taken out manually, and the workpiece can be fixed again by the clamping plate 4 in the process of taking out the connecting disc 3 after the lifting is completed.

As shown in fig. 7-9, the device further comprises a clamping mechanism, the clamping mechanism comprises wedge-shaped clamping blocks 121, wedge-shaped extrusion blocks 122 and four elastic pieces 123, four wedge-shaped clamping blocks 121 are slidably connected to the connecting disc 3 at uniform intervals along the circumferential direction, the wedge-shaped clamping blocks 121 can be inserted into the sliding rack 101 and used for fixing the sliding rack 101, the four elastic pieces 123 are connected between the wedge-shaped clamping blocks 121 and the connecting disc 3, four wedge-shaped extrusion blocks 122 are connected to the swivel 111 at uniform intervals along the circumferential direction, the four wedge-shaped extrusion blocks 122 are respectively located at the moving track positions of the four wedge-shaped clamping blocks 121, and the wedge-shaped extrusion blocks 122 can extrude the wedge-shaped clamping blocks 121 to be separated from the sliding rack 101.

In the hoisting process, the swivel 111 needs to be rotated firstly, at this moment, the swivel 111 can drive the wedge extrusion block 122 to rotate, the wedge extrusion block 121 is separated from the sliding rack 101 after the wedge extrusion block 122 rotates, the elastic piece III 114 is stretched, the hoisting operation can be carried out again at this moment, the sliding rack 101 can be operated, and in the hoisting process of taking out the connecting disc 3 after the hoisting is finished, the swivel 111 resets and drives the wedge extrusion block 122 to reset, at this moment, the wedge extrusion block 121 resets under the action of the elastic piece III 114 to fix the sliding rack 101, and then the sliding rack 101 can not move after the connecting disc 3 and the connecting support 2 are controlled to move upwards, so that the sliding rack 101 continues to move downwards after the hoisting is finished.

As shown in fig. 1, the lifting device further comprises an extension mechanism, the extension mechanism comprises an extension shaft 131, an air cylinder 132 and a guide wheel 133, the extension shaft 131 is slidingly connected to the right side of the swing arm 12 part of the lifting machine 1, the air cylinder 132 is installed on the swing arm 12 part of the lifting machine 1, the piston of the air cylinder 132 is connected with the extension shaft 131, so that the air cylinder 132 can operate to control the extension shaft 131 to be unfolded, the guide wheel 133 is installed on the extension shaft 131, and the lifting rope 13 of the lifting machine 1 bypasses the guide wheel 133.

In the process of hoisting and carrying, sometimes the hoisting range is limited, at this time, the operation of the air cylinder 132 can be controlled, so that the extension rod of the air cylinder 132 is extended to drive the extension shaft 131 to be extended, and the pull rope is enabled to move outwards through the guide wheel 133, so that the hoisted range can be expanded.

As shown in fig. 1, the lifting machine further comprises a moving frame 14, wherein the lifting machine 1 is installed at the moving frame 14, so that the lifting machine 1 can be driven to move by pushing the moving frame 14, and the whole lifting equipment is more convenient to assemble when being transported to the rest of CNC turntable 100.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a five CNC revolving stage assembly is with high accuracy location hoist and mount feeding equipment, including lifting machine (1), linking bridge (2), connection pad (3), lifting machine (1) is including support (11), swing arm (12), hoist engine (15) and lifting rope (13) constitution, lifting rope (13) end-to-end connection has linking bridge (2), sliding connection has connection pad (3), its characterized in that on linking bridge (2): still including grip block (4), screw rod (5), internal thread cover (6), elastic component one (7), carousel (8), connecting rope (9) and positioning mechanism, be connected with polylith grip block (4) along circumference even interval sliding type on connection pad (3), be connected with screw rod (5) on grip block (4), be connected with quantity and grip block (4) unanimous internal thread cover (6) along circumference even interval rotation on connection pad (3), internal thread cover (6) screw rod (5) screw-thread fit, internal thread cover (6) with be connected with elastic component one (7) between the connection, be connected with carousel (8) on internal thread cover (6), be connected with connecting rope (9) on carousel (8), connecting rope (9) with connection holder (2) are connected, be equipped with positioning mechanism on connection pad (3), positioning mechanism is used for carrying out positioning treatment to the position between connection pad (3) and revolving stage (100).

2. The high-precision positioning and hoisting feeding device for assembling a five-axis CNC turntable according to claim 1, wherein the high-precision positioning and hoisting feeding device is characterized in that: positioning mechanism is including slip rack (101), go-between (102), cylindrical gear (103), locating claw (104) and elastic component two (105), evenly spaced sliding connection has slip rack (101) along circumference on connection pad (3), connection pad (3) lower part is connected with go-between (102), evenly spaced along circumference is connected with quantity and slip rack (101) unanimous locating claw (104) through rotating on go-between (102), be connected with cylindrical gear (103) through one-way clutch on locating claw (104), four cylindrical gear (103) are located the removal orbit department of four slip racks (101) respectively, locating claw (104) with be connected with elastic component two (105) between go-between (102).

3. The high-precision positioning and hoisting feeding device for assembling a five-axis CNC turntable according to claim 1, wherein the high-precision positioning and hoisting feeding device is characterized in that: the anti-slip device is characterized by further comprising an anti-slip pad (41), wherein the inner side of the clamping plate (4) is connected with the anti-slip pad (41).

4. The high-precision positioning and hoisting feeding device for assembling a five-axis CNC turntable according to claim 1, wherein the high-precision positioning and hoisting feeding device is characterized in that: still including locking mechanical system, locking mechanical system is including swivel (111), locking piece (112), protruding axle (113) and elastic component three (114), connection pad (3) upper portion rotation is connected with swivel (111), swivel (111) top is connected with locking piece (112) along circumference even interval, be connected with protruding axle (113) that quantity is unanimous with locking piece (112) along circumference even interval on linking bridge (2), locking piece (112) are used for with protruding axle (113) are locked, swivel (111) with be connected with elastic component one (7) between connection pad (3).

5. The high-precision positioning and hoisting feeding device for assembling a five-axis CNC turntable, as claimed in claim 4, is characterized in that: the locking block (112) is provided with a locking groove which is obliquely arranged, the locking groove extends to the side wall of the locking block (112), and the protruding shaft (113) can move into the locking groove, so that the locking block (112) can fix the protruding shaft (113).

6. A five-axis CNC turret assembly high precision positioning and hoisting feeding device according to claim 3, wherein: still including blocking the mechanism, block mechanism including wedge fixture block (121), wedge extrusion piece (122) and elastic component four (123), evenly spaced sliding connection has wedge fixture block (121) that quantity and slip rack (101) are unanimous along circumference on connection pad (3), wedge fixture block (121) are used for with slip rack (101) are fixed, wedge fixture block (121) with be connected with elastic component four (123) between connection pad (3), evenly spaced connection has wedge extrusion piece (122) that quantity and wedge fixture block (121) are unanimous along circumference on swivel (111), a plurality of wedge extrusion pieces (122) are located the removal orbit department of a plurality of wedge fixture blocks (121) respectively.

7. The high-precision positioning and hoisting feeding device for assembling a five-axis CNC turntable according to claim 1, wherein the high-precision positioning and hoisting feeding device is characterized in that: still including extending mechanism, extending mechanism is including extension axle (131), cylinder (132) and leading wheel (133), swing arm (12) part sliding connection of lifting machine (1) have extension axle (131), cylinder (132) are installed to swing arm (12) part of lifting machine (1), the piston of cylinder (132) with extension axle (131) are connected, install leading wheel (133) on extension axle (131), hoist rope (13) of lifting machine (1) are walked around leading wheel (133).

8. The high-precision positioning and hoisting feeding device for assembling a five-axis CNC turntable according to claim 1, wherein the high-precision positioning and hoisting feeding device is characterized in that: the crane further comprises a movable frame (14), and the crane (1) is arranged on the movable frame (14).