CN110918671B - Brake drum rolling type processing equipment - Google Patents
Brake drum rolling type processing equipment Download PDFInfo
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- CN110918671B CN110918671B CN201911298390.4A CN201911298390A CN110918671B CN 110918671 B CN110918671 B CN 110918671B CN 201911298390 A CN201911298390 A CN 201911298390A CN 110918671 B CN110918671 B CN 110918671B
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- brake drum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
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Abstract
The invention relates to the field of automobile part processing equipment, in particular to brake drum roll forming processing equipment which comprises a roll forming machine; the feeding mechanism and the discharging mechanism are distributed on two sides of the roll forming machine along the transmission direction of the brake drum; the industrial robot is arranged beside the feeding mechanism, the roll forming machine and the discharging mechanism and used for sequentially moving the brake drum at the discharging end of the feeding mechanism to the working end of the roll forming machine and the feeding end of the discharging mechanism; the controller, the feeding mechanism, the roll forming machine, the discharging mechanism and the industrial robot are all electrically connected with the controller; the equipment can roll the brake drum automatically with high efficiency.
Description
Technical Field
The invention relates to the field of automobile part processing equipment, in particular to brake drum rolling type processing equipment.
Background
The brake hub is a main component of a drum brake system and has the name of a brake drum, which is called brake drum for short, and the inner surface of the brake drum rubs with a brake pad to play a braking role during braking.
The processing technology of the brake drum sequentially comprises blanking, punching a process hole, preforming, spinning, turning the total length of a port, rolling, flattening the end face, punching a central hole, punching an exhaust hole, degreasing, sleeving a reinforcing ring and the like. At present, no equipment of a full-automatic rolling brake drum exists, Chinese patent CN206305268U discloses a brake drum steel shell rolling device, which comprises an upper roller with an inner concave end part outer wall, a lower roller with an outer convex end part outer wall and a supporting mechanism of the lower roller, wherein the supporting mechanism of the lower roller comprises a centering disc with the lower roller passing through a first bearing frame, one side of the centering disc is provided with a pressing disc, a positioning shaft used for assembling the steel shell is eccentrically arranged on the disc surface of the other side, the pressing disc is matched with the inner wall of the lower roller and is provided with a supporting shaft at the disc center, and the positioning disc is coaxially and fixedly arranged on the positioning shaft. This technical scheme will guarantee through the centering disc that the box hat keeps the rotation center not produce the displacement when rolling the type for the top inner wall of box hat is interior tangent with lower gyro wheel top all the time, and until tubbiness shell accomplishes the type of rolling. The technical scheme disclosed by the patent cannot complete full-automatic feeding, rolling and discharging of the brake drum, and is low in efficiency.
Disclosure of Invention
The technical problem to be solved by the invention is to provide brake drum rolling machining equipment, and the brake drum can be automatically rolled with high efficiency by the technical scheme.
In order to solve the technical problems, the invention provides the following technical scheme:
a brake drum roll forming processing device is used for roll forming of a brake drum and comprises a roll forming machine;
the feeding mechanism and the discharging mechanism are distributed on two sides of the roll forming machine along the transmission direction of the brake drum;
the industrial robot is arranged beside the feeding mechanism, the roll forming machine and the discharging mechanism and used for sequentially moving the brake drum at the discharging end of the feeding mechanism to the working end of the roll forming machine and the feeding end of the discharging mechanism; the controller, the feeding mechanism, the roll forming machine, the discharging mechanism and the industrial robot are all electrically connected with the controller.
Preferably, the lifting device comprises a rack, an upper lifting frame, a lower lifting frame, an internal rolling wheel and an external rolling wheel, wherein the upper lifting frame can be vertically lifted and arranged at the top of the rack, the lower lifting frame can be vertically lifted and arranged at the bottom of the rack, the internal rolling wheel can be automatically mounted at the bottom end of the upper lifting frame, the external rolling wheel can be automatically mounted at the top end of the lower lifting frame, the axes of the internal rolling wheel and the external rolling wheel are horizontally arranged, a plurality of annular bulges are uniformly distributed along the axis of the external rolling wheel on the circumferential surface of the external rolling wheel, and annular grooves which correspond to the annular bulges one to one are formed in the circumferential surface of the internal rolling wheel; the industrial robot comprises a sliding table and a manipulator, the sliding table is horizontally arranged, the working section of the sliding table extends from the discharge end of a feeding mechanism to the feeding end of the discharge mechanism through the working section of the roll forming machine, and the manipulator can rotate to be installed on the working section of the sliding table.
Preferably, a first rotary driver for driving the internal rolling wheel to rotate is fixedly installed on the upper-layer lifting frame, a second rotary driver for driving the external rolling wheel to rotate is fixedly installed on the lower-layer lifting frame, the rotation directions of the internal rolling wheel and the external rolling wheel are opposite, and the linear velocities of the outer circumferential surfaces of the internal rolling wheel and the external rolling wheel are the same.
Preferably, the industrial robot further comprises a third rotation driver for driving the manipulator to rotate, and the third rotation driver is fixedly connected with the sliding table.
Preferably, the upper lifting frame comprises an upper support, a first linear driver and a first bearing seat, the upper support is in sliding fit with the rack, the sliding direction of the upper support is vertically arranged, the first linear driver is vertically arranged, a fixing part and a driving part of the first linear driver are respectively fixedly connected with the rack and the upper support, the first bearing seat is fixedly connected with the upper support, and a shaft part of the internal rolling wheel is arranged in an inner ring of the first bearing seat;
lower floor's crane is including lower floor's support, second linear actuator, second bearing frame, lower floor's support and frame sliding fit, the vertical setting of the slip direction of lower floor's support, the vertical setting of second linear actuator, the fixed part and the drive division of second linear actuator respectively with frame, lower floor's support fixed connection, second bearing frame and lower floor's support fixed connection, the axial region of outside roll type wheel is installed in the inner circle of second bearing frame.
Preferably, the manipulator comprises a linear driver, a three-jaw chuck, a hook jaw and an elastic piece, the linear driver is fixedly installed at the working part of the third rotary driver, the working direction of the linear driver horizontally faces to the direction far away from the third rotary driver, the three-jaw chuck and the elastic piece are both fixedly installed at the working end of the linear driver, the hook jaw is fixedly installed at the working end of the three-jaw chuck, and the working ends of the hook jaw and the elastic piece both face to the direction far away from the third rotary driver;
under the non-working state, the hook claw contracts and penetrates through the central hole of the brake drum, and the elastic piece is in a complete rebound state;
under the working state, the hook claw stretches and props against the inner wall of the brake drum beside the central hole of the brake drum, and the working end of the elastic piece props against the outer wall of the brake drum beside the central hole of the brake drum and is in a state of waiting for resilience.
Preferably, the hook claw comprises a claw stem fixedly arranged at the working end of the three-jaw chuck, the claw stem is L-shaped, one side of the claw stem is fixedly connected with the working end of the three-jaw chuck, and the other side of the claw stem extends in a direction away from the three-jaw chuck in parallel with the axis of the three-jaw chuck; the one end that the three-jaw chuck was kept away from to the claw does is provided with the axis orientation of perpendicular to three-jaw chuck and keeps away from the claw point that three-jaw chuck axis direction extended, and the one end that three-jaw chuck axis was kept away from to a plurality of claw points all is located the concentric circle of brake drum centre bore, under the non-operating condition, the diameter of concentric circle is less than the diameter of brake drum centre bore, under the operating condition, the diameter of concentric circle is greater than the diameter of brake drum centre bore.
Preferably, one side of the claw tip facing the three-jaw chuck is provided with a claw web, one side of the claw tip far away from the axis of the three-jaw chuck and one side of the claw web far away from the axis of the three-jaw chuck are combined into a step shape, one side of the claw web far away from the axis of the three-jaw chuck is an arc surface, the diameter of the arc surface is smaller than that of a center hole of the brake drum, and the arc surface abuts against the hole wall of the center hole of the brake drum in a working state.
Preferably, the elastic component is including uide bushing, guide bar, nut, and uide bushing fixed mounting is in the work portion of sharp driver, guide bar and uide bushing sliding fit, and the slip direction of guide bar is on a parallel with the work direction of sharp driver, and the one end that the guide bar is close to sharp driver is provided with the screw thread, screw thread and nut threaded connection, the one end that sharp driver was kept away from to the guide bar are provided with the roof, install the rubber pad on the roof, and the cover is equipped with the spring that both ends leaned on respectively on uide bushing and roof on the guide bar.
Preferably, the feeding mechanism comprises a conveyor, a left baffle and a right baffle are respectively arranged on two sides of the conveyor, the left baffle is arranged on one side close to the discharging mechanism, the right baffle is arranged on one side far away from the industrial robot, and the vertical distance between the top surface of the right baffle and the working surface of the conveyor is larger than the radius of the brake drum;
the discharge end of the conveyor is provided with a positioning mechanism straddling two sides of the working surface of the conveyor, the positioning mechanism comprises a stop lever support fixedly installed at the non-working part of the conveyor, a movable stop lever with a working part stretching over the working surface of the conveyor is arranged on the stop lever support, and a photoelectric switch with working light parallel to the movable stop lever is further installed on the stop lever support.
Compared with the prior art, the invention has the beneficial effects that:
the feeding mechanism continuously conveys the brake drum which is not machined to the discharging end, the industrial robot is used for grabbing the brake drum at the discharging end of the feeding mechanism and moving the brake drum to the working part of the roll forming machine, the roll forming machine performs roll forming machining on the brake drum to enable the cylindrical part of the brake drum to be provided with annular depressions distributed at equal intervals, then the industrial robot moves the machined brake drum to the discharging mechanism, and the discharging mechanism moves the brake drum out of a production line.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is a side view of a robot of the present invention;
FIG. 6 is a sectional view taken along line B-B of FIG. 5;
FIG. 7 is an exploded perspective view of the robot of the present invention;
FIG. 8 is a perspective view of a portion of the robot of the present invention;
FIG. 9 is a perspective view of the feed mechanism of the present invention;
FIG. 10 is a front view of the roll forming machine of the present invention;
FIG. 11 is a cross-sectional view taken along line D-D of FIG. 10;
FIG. 12 is a perspective view of the roll forming machine of the present invention;
FIG. 13 is a perspective view of a part of the roll forming machine of the present invention;
FIG. 14 is a perspective view of the brake drum before machining;
FIG. 15 is a perspective view of the brake drum after being machined;
the reference numbers in the figures are:
1-brake drum;
2-a feeding mechanism; 2 a-a conveyor; 2 b-a left baffle; 2 c-right baffle; 2 d-a positioning mechanism; 2d 1-lever bracket; 2d 2-Movable gear lever; 2d 3-opto-electronic switch;
3-a roll forming machine; 3 a-a frame; 3 b-an upper layer lifting frame; 3b 1-upper layer scaffold; 3b2 — first linear driver; 3b3 — first bearing seat; 3 c-a lower layer lifting frame; 3c 1-lower layer scaffold; 3c2 — second linear drive; 3c 3-second bearing seat; 3 d-inner roller type wheel; 3d1 — annular groove; 3 e-an outer roller type wheel; 3e 1-annular projection; 3 f-a first rotary drive; 3 g-a second rotary drive;
4-a discharging mechanism;
5-an industrial robot; 5 a-a slide; 5 b-a third rotary drive; 5 c-linear drive; 5 d-three-jaw chuck; 5 e-hook claw; 5e 1-paw dry; 5e 2-paw tip; 5e 3-paw abdomen; 5 f-an elastic member; 5f 1-guide sleeve; 5f2 — guide bar; 5f 3-nut; 5f 4-top plate; 5f 5-rubber pad; 5f 6-spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A brake drum roll forming processing device is used for roll forming a brake drum 1 and comprises a roll forming machine 3 as shown in figures 1 to 4;
the feeding mechanism 2 and the discharging mechanism 4 are distributed on two sides of the roll forming machine 3 along the transmission direction of the brake drum 1;
the industrial robot 5 is arranged beside the feeding mechanism 2, the roll forming machine 3 and the discharging mechanism 4 and is used for sequentially moving the brake drum 1 at the discharging end of the feeding mechanism 2 to the working end of the roll forming machine 3 and the feeding end of the discharging mechanism 4;
the controller, feed mechanism 2, roll forming machine 3, discharge mechanism 4, industrial robot 5 all are connected with the controller electricity.
2 continuous brake drums 1 with not yet processed of feed mechanism carry to the discharge end constantly at the source of feed mechanism, industrial robot 5 is used for snatching the brake drum 1 of 2 discharge ends of feed mechanism, remove it to the work portion of roll forming machine 3, roll forming machine 3 carries out the roll forming processing to brake drum 1, the annular that equidistant distribution appears in the position of making its drum shape is sunken, industrial robot 5 moves the brake drum 1 of accomplishing processing to discharge mechanism 4 afterwards, discharge mechanism 4 shifts out the production line with it, the controller is used for receiving and dispatching signals, control feed mechanism 2, roll forming machine 3, discharge mechanism 4, industrial robot 5 works according to predetermined procedure.
As shown in fig. 5 to 8 and 10 to 13, the device comprises a rack 3a, an upper-layer lifting frame 3b, a lower-layer lifting frame 3c, an inner rolling wheel 3d and an outer rolling wheel 3e, wherein the upper-layer lifting frame 3b can be vertically arranged at the top of the rack 3a, the lower-layer lifting frame 3c can be vertically arranged at the bottom of the rack 3a, the inner rolling wheel 3d can be automatically arranged at the bottom end of the upper-layer lifting frame 3b, the outer rolling wheel 3e can be automatically arranged at the top end of the lower-layer lifting frame 3c, the axes of the inner rolling wheel 3d and the outer rolling wheel 3e are horizontally arranged, a plurality of annular bulges 3e1 uniformly distributed along the axis of the outer rolling wheel 3e are arranged on the circumferential surface of the outer rolling wheel 3e, and annular grooves 3d1 corresponding to the annular bulges 3e1 one by one are arranged on the circumferential surface of the inner rolling wheel 3 d;
A first rotary driver 3f for driving the inner rolling wheel 3d to rotate is fixedly arranged on the upper-layer lifting frame 3b, a second rotary driver 3g for driving the outer rolling wheel 3e to rotate is fixedly arranged on the lower-layer lifting frame 3c, the rotation directions of the inner rolling wheel 3d and the outer rolling wheel 3e are opposite, and the linear speeds of the outer circumferential surfaces of the inner rolling wheel 3d and the outer rolling wheel 3e are the same.
The industrial robot 5 further comprises a third rotary driver 5b for driving the manipulator to rotate, and the third rotary driver 5b is fixedly connected with the sliding table 5 a.
The sliding table 5a is a synchronous belt sliding table, the third rotary driver 5b is a precision electric dividing disc, the first rotary driver 3f and the second rotary driver 3g are both servo motors, and working shafts of the first rotary driver 3f and the second rotary driver 3g are in transmission connection with shaft parts of the inner rolling wheel 3d and the outer rolling wheel 3e through couplers respectively;
the sliding table 5a drives the manipulator to move to the discharging end of the feeding mechanism 2, the manipulator grabs the brake drum 1, then the sliding table 5a drives the manipulator to move to the working part of the roll forming machine 3, the manipulator sleeves the cylindrical part of the brake drum 1 on the inner rolling wheel 3d, the upper-layer lifting frame 3b descends and drives the inner rolling wheel 3d to descend slowly, the lower-layer lifting frame 3c ascends and drives the outer rolling wheel 3e to ascend slowly, the inner rolling wheel 3d and the outer rolling wheel 3e clamp the drum wall of the brake drum 1, and the annular groove 3d1 and the annular protrusion 3e1 are used for enabling the extruded drum wall of the brake drum 1 to be in a shape of being attached to the annular groove 3d1 and the annular protrusion 3e1 and are in an annular recess shape;
meanwhile, the first rotary driver 3f drives the inner rolling wheel 3d to rotate, the second rotary driver 3g drives the outer rolling wheel 3e to rotate, the inner rolling wheel 3d and the outer rolling wheel 3e roll the cylinder wall of the brake drum 1 to form a recess, the inner rolling wheel 3d and the outer rolling wheel 3e are abutted against the inner surface and the outer surface of the cylinder wall of the brake drum 1 to rotate, the brake drum 1 is driven to rotate, and the manipulator rotates along with the inner rolling wheel 3d and the outer rolling wheel 3 e;
or the third rotary driver 5b drives the manipulator to rotate, the manipulator rotates to drive the brake drum 1 to rotate, and the inner rolling wheel 3d and the outer rolling wheel 3e are also driven to rotate when the brake drum 1 rotates because the inner rolling wheel 3d and the outer rolling wheel 3e are abutted against the inner surface and the outer surface of the cylinder wall of the brake drum 1, so that the inner rolling wheel 3d and the outer rolling wheel 3e roll the cylinder wall of the brake drum 1 to form a recess;
or, the first rotary driver 3f drives the inner roller 3d to rotate, the second rotary driver 3g drives the outer roller 3e to rotate, the third rotary driver 5b drives the manipulator to rotate, the contact points of the inner roller 3d and the outer roller 3e and the brake drum 1 have the same movement direction, the contact points of the brake drum 1 and the inner roller 3d and the outer roller 3e have the same movement direction, the outer circumferential linear speeds of the brake drum 1, the inner roller 3d and the outer roller 3e are the same, and the inner roller 3d and the outer roller 3e gradually approach the brake drum 1 while the brake drum 1, the inner roller 3d and the outer roller 3e rotate relatively, so that the annular recess is rolled on the cylinder wall of the brake drum 1.
The upper-layer lifting frame 3b comprises an upper-layer bracket 3b1, a first linear driver 3b2 and a first bearing seat 3b3, the upper-layer bracket 3b1 is in sliding fit with the rack 3a, the sliding direction of the upper-layer bracket 3b1 is vertically arranged, the first linear driver 3b2 is vertically arranged, a fixing part and a driving part of the first linear driver 3b2 are fixedly connected with the rack 3a and the upper-layer bracket 3b1 respectively, the first bearing seat 3b3 is fixedly connected with the upper-layer bracket 3b1, and the shaft part of the inner rolling wheel 3d is installed in the inner ring of the first bearing seat 3b 3;
the lower layer crane 3c comprises a lower layer bracket 3c1, a second linear driver 3c2 and a second bearing seat 3c3, the lower layer bracket 3c1 is in sliding fit with the rack 3a, the sliding direction of the lower layer bracket 3c1 is vertically arranged, the second linear driver 3c2 is vertically arranged, a fixing part and a driving part of the second linear driver 3c2 are respectively and fixedly connected with the rack 3a and the lower layer bracket 3c1, the second bearing seat 3c3 is fixedly connected with the lower layer bracket 3c1, and the shaft part of the external rolling wheel 3e is arranged in the inner ring of the second bearing seat 3c 3.
The edges of the upper bracket 3b1 and the lower bracket 3c1 are both provided with a sliding block, a sliding rail connected with the sliding block is arranged on the rack 3a, the sliding rail is arranged vertically, the first linear actuator 3b2 and the second linear actuator 3c2 are both hydraulic cylinders, the first linear actuator 3b2 and the second linear actuator 3c2 are respectively used for driving the upper bracket 3b1 and the lower bracket 3c1 to vertically lift along the sliding rail, the first bearing seat 3b3 is used for mounting the inner roller 3d, and the second bearing seat 3c3 is used for mounting the outer roller 3 e.
As shown in fig. 5 to 8, the manipulator includes a linear actuator 5c, a three-jaw chuck 5d, a hook 5e, and an elastic member 5f, the linear actuator 5c is fixedly installed at a working portion of the third rotary actuator 5b, a working direction of the linear actuator 5c horizontally faces a direction away from the third rotary actuator 5b, the three-jaw chuck 5d and the elastic member 5f are both fixedly installed at a working end of the linear actuator 5c, the hook 5e is fixedly installed at a working end of the three-jaw chuck 5d, and the working ends of the hook 5e and the elastic member 5f face a direction away from the third rotary actuator 5 b;
under the non-working state, the hook claw 5e contracts and penetrates through the center hole of the brake drum 1, and the elastic piece 5f is in a complete rebound state;
under the working state, the hook claw 5e stretches and props against the inner wall of the brake drum 1, which is positioned beside the central hole of the brake drum, and the working end of the elastic piece 5f props against the outer wall of the brake drum 1, which is positioned beside the central hole of the brake drum and is in a state of waiting for rebounding.
The linear driver 5c is an air cylinder with a guide rod, the three-jaw chuck 5d is a pneumatic three-jaw chuck, when the pneumatic three-jaw chuck works, the linear driver 5c drives the three-jaw chuck 5d and the elastic piece 5f to approach towards the brake drum 1, the three-jaw chuck 5d drives the hook 5e to contract to enable the hook to penetrate through a center hole of the brake drum 1, the elastic piece 5f abuts against the outer wall beside the center hole of the brake drum 1 and contracts by overcoming the resilience force of the elastic piece 5f, after the working end of the hook 5e penetrates through the center hole of the brake drum 1, the three-jaw chuck 5d drives the hook 5e to stretch to the maximum stroke, then the linear driver 5c drives the three-jaw chuck 5d and the elastic piece 5f to reset, the elastic piece 5f rebounds to push the brake drum 1 towards the direction of the hook 5e, the hook 5e abuts against the inner wall beside the center hole of the brake drum 1, and the working ends of the hook 5e and the elastic piece 5f respectively clamp the inner wall and the outer wall beside the center hole of the brake drum 1, thereby the grabbing of the brake drum 1 by the manipulator is realized.
As shown in fig. 8, the hook 5e comprises a claw stem 5e1 fixedly mounted at the working end of the three-jaw chuck 5d, the claw stem 5e1 is L-shaped, one side of the claw stem 5e1 is fixedly connected with the working end of the three-jaw chuck 5d, and the other side of the claw stem 5e1 extends in a direction away from the three-jaw chuck 5d in parallel with the axis of the three-jaw chuck 5 d;
one end of the claw stem 5e1, which is far away from the three-jaw chuck 5d, is provided with a claw tip 5e2 which is perpendicular to the axis of the three-jaw chuck 5d and extends towards the direction far away from the axis of the three-jaw chuck 5d, and one ends, which are far away from the axis of the three-jaw chuck 5d, of the plurality of claw tips 5e2 are all located on a concentric circle of the center hole of the brake drum 1, wherein in a non-working state, the diameter of the concentric circle is smaller than that of the center hole of the brake drum 1, and in a working state, the diameter of the concentric circle is larger than that of the center hole of the brake drum 1.
The claw stem 5e1 and the claw tip 5e2 are integrated, the claw stem 5e1 and the claw tip 5e2 are combined into two U-shaped rods with different parallel rod lengths, the long rod part of the claw stem 5e1 is fixedly connected with the working end of the three-jaw chuck 5d, the short rod part of the claw stem 5e1 is used for extending into the central hole of the brake drum 1, and the short rod part of the claw stem 5e1 is expanded under the driving of the three-jaw chuck 5d and abuts against the inner wall of the brake drum 1 through one surface of the short rod part close to the three-jaw chuck 5 d.
As shown in fig. 8, a jaw web 5e3 is provided on a side of the jaw tip 5e2 facing the three-jaw chuck 5d, a surface of the jaw tip 5e2 away from the axis of the three-jaw chuck 5d and a surface of the jaw web 5e3 away from the axis of the three-jaw chuck 5d are combined into a step shape, and a surface of the jaw web 5e3 away from the axis of the three-jaw chuck 5d is an arc surface having a diameter smaller than that of the center hole of the brake drum 1 and abutting against the hole wall of the center hole of the brake drum 1 in an operating state.
The three-jaw chuck 5d drives the jaw tip 5e2 to expand, the jaw belly 5e3 expands along with the jaw tip 5e2, one surface of the jaw belly 5e3, which is far away from the axis of the three-jaw chuck 5d, abuts against the hole wall of the central hole of the brake drum 1, the diameter of an arc surface of the jaw belly 5e3, which is far away from the axis of the three-jaw chuck 5d, is smaller than that of the central hole of the brake drum 1, so that the surface of the jaw belly 5e3, which is far away from the axis of the three-jaw chuck 5d, is in single-point connection with the inner wall of the central hole of the brake drum 1, the three-point connection of the jaw belly 5e3 and the central hole of the brake drum 1 is in three-point connection, the machining precision of the three-point same circle is low, and the cost is low.
As shown in fig. 8, the elastic member 5f includes a guide sleeve 5f1, a guide rod 5f2 and a nut 5f3, the guide sleeve 5f1 is fixedly installed at the working portion of the linear actuator 5c, the guide rod 5f2 is in sliding fit with the guide sleeve 5f1, the sliding direction of the guide rod 5f2 is parallel to the working direction of the linear actuator 5c, a screw is provided at one end of the guide rod 5f2 close to the linear actuator 5c, the screw is in threaded connection with the nut 5f3, a top plate 5f4 is provided at one end of the guide rod 5f2 away from the linear actuator 5c, a rubber pad 5f5 is installed on the top plate 5f4, and a spring 5f6 is sleeved on the guide rod 5f2, and both ends of the spring 5f6 abut against the guide sleeve 5f1 and the top plate 5f4 respectively.
The spring 5f6 drives the top plate 5f4 to move away from the linear actuator 5c through the resilience force of the spring, the nut 5f3 is used for limiting the stroke of the top plate 5f4, when the guide rod 5f2 is in a full resilience state, the nut 5f3 abuts against the guide sleeve 5f1, and the rubber pad 5f5 plays a role in protecting, so that the working surface of the top plate 5f4 is prevented from scratching the outer surface of the brake drum 1.
As shown in fig. 9, the feeding mechanism 2 includes a conveyor 2a, a left baffle 2b and a right baffle 2c are respectively arranged on two sides of the conveyor 2a, the left baffle 2b is arranged on one side close to the discharging mechanism 4, the right baffle 2c is arranged on one side far away from the industrial robot 5, and the vertical distance between the top surface of the right baffle 2c and the working surface of the conveyor 2a is larger than the radius of the brake drum 1;
the discharge end of the conveyor 2a is provided with a positioning mechanism 2d straddling two sides of the working surface of the conveyor 2a, the positioning mechanism 2d comprises a gear rod support 2d1 fixedly arranged at the non-working part of the conveyor 2a, a movable gear rod 2d2 with a working part straddling over the working surface of the conveyor 2a is arranged on the gear rod support 2d1, and a photoelectric switch 2d3 with working light parallel to the movable gear rod 2d2 is further arranged on the gear rod support 2d 1.
The left baffle 2b and the right baffle 2c are used for guiding the brake drum 1 to be arranged on the conveyor 2a in order for transmission, the conveyor 2a and the discharging mechanism 4 are both belt conveyors, when a manipulator grabs the brake drum 1, the brake drum 1 needs to be pushed towards the right baffle 2c through the elastic piece 5f, the top surface of the right baffle 2c is higher than the center hole axis of the brake drum 1, and the right baffle 2c can be well used as a backup plate of the brake drum 1;
the movable gear lever 2d2 is a single-shaft single-rod cylinder, the photoelectric switch 2d3 is a correlation type photoelectric switch, the non-working part of the movable gear lever 2d2 is fixedly connected with the gear lever bracket 2d1, the working shaft of the movable gear lever 2d2 penetrates through the gear lever bracket 2d1 and the right baffle 2c to form a gear lever, the working shaft of the movable gear lever 2d2 is used for blocking the brake drum 1 to stop at the discharging end of the conveyor 2a, and the photoelectric switch 2d3 is used for detecting whether the brake drum 1 is arranged at the discharging end of the conveyor 2 a;
when the brake drum 1 blocks light between the photoelectric switches 2d3, the photoelectric switch 2d3 sends a signal to the controller, the controller sends a signal to the conveyor 2a and the industrial robot 5, the conveyor 2a stops working in a delayed mode, the industrial robot 5 is ready to take materials, after the industrial robot 5 places the processed brake drum 1 on the discharging mechanism 4, the industrial robot 5 moves to the discharging end of the conveyor 2a to grab the brake drum 1, then the controller sends a signal to the movable blocking rod 2d2, the movable blocking rod 2d2 contracts to release blocking of the brake drum 1, and the industrial robot 5 translates the brake drum 1 to the working end of the roll forming machine 3.
The working principle of the invention is as follows:
the conveyor 2a continuously conveys the brake drum 1 which is not machined to the discharge end, when the brake drum 1 blocks light between the photoelectric switches 2d3, the photoelectric switches 2d3 send signals to the controller, the controller sends signals to the conveyor 2a and the industrial robot 5, the conveyor 2a delays to stop working, the industrial robot 5 is ready to take materials, and after the industrial robot 5 places the machined brake drum 1 on the discharge mechanism 4, the industrial robot 5 moves to the discharge end of the conveyor 2a to grab the brake drum 1;
the sliding table 5a drives the manipulator to move to the discharging end of the feeding mechanism 2, the linear driver 5c drives the three-jaw chuck 5d and the elastic piece 5f to approach towards the brake drum 1, the three-jaw chuck 5d drives the hook jaw 5e to contract to enable the hook jaw to penetrate through the center hole of the brake drum 1, and the elastic piece 5f abuts against the outer wall beside the center hole of the brake drum 1 and contracts by overcoming the resilience force of the elastic piece;
then the short rod part of the claw stem 5e1 is used for extending into the center hole of the brake drum 1, the three-jaw chuck 5d drives the hook claw 5e to extend to the maximum stroke, the short rod part of the lower claw stem 5e1 driven by the three-jaw chuck 5d expands and supports against the inner wall of the brake drum 1 through one surface of the short rod part close to the three-jaw chuck 5d, and meanwhile one surface of the claw web 5e3 far away from the axis of the three-jaw chuck 5d is abutted against the hole wall of the center hole of the brake drum 1;
then the linear driver 5c drives the three-jaw chuck 5d and the elastic piece 5f to reset, the elastic piece 5f rebounds to push the brake drum 1 towards the direction of the hook 5e, the hook 5e butts against the inner wall of the brake drum 1 beside the central hole of the brake drum, and the working ends of the hook 5e and the elastic piece 5f respectively clamp the inner wall and the outer wall of the brake drum 1 beside the central hole of the brake drum, so that the process that the manipulator grabs the brake drum 1 is realized;
then the controller sends a signal to the movable gear lever 2d2, the movable gear lever 2d2 retracts to release the blocking of the brake drum 1, and the industrial robot 5 translates the brake drum 1 to the working end of the roll forming machine 3; the roll forming machine 3 performs roll forming processing on the brake drum 1 to enable the cylindrical part to generate annular depressions distributed at equal intervals,
then the sliding table 5a drives the mechanical arm to move to the working part of the roll forming machine 3, the mechanical arm sleeves the cylindrical part of the brake drum 1 on the internal rolling wheel 3d, then the upper-layer lifting frame 3b descends and drives the internal rolling wheel 3d to descend slowly, the lower-layer lifting frame 3c ascends and drives the external rolling wheel 3e to ascend slowly, the inner rolling wheel 3d and the external rolling wheel 3e clamp the drum wall of the brake drum 1, and the annular groove 3d1 and the annular protrusion 3e1 are used for extruding the drum wall of the brake drum 1 into a shape which is attached to the annular groove 3d1 and the annular protrusion 3e1 and are annular depressions;
meanwhile, the first rotary driver 3f drives the inner rolling wheel 3d to rotate, the second rotary driver 3g drives the outer rolling wheel 3e to rotate, the third rotary driver 5b drives the manipulator to rotate, the contact points of the inner rolling wheel 3d and the outer rolling wheel 3e and the brake drum 1 have the same movement direction, the contact points of the brake drum 1 and the inner rolling wheel 3d and the outer rolling wheel 3e have the opposite movement direction, the outer circumferential linear speeds of the brake drum 1, the inner rolling wheel 3d and the outer rolling wheel 3e are the same, and the inner rolling wheel 3d and the outer rolling wheel 3e gradually approach towards the brake drum 1 while the brake drum 1, the inner rolling wheel 3d and the outer rolling wheel 3e rotate relatively, so that the annular recess is rolled on the drum wall of the brake drum 1;
subsequently, the industrial robot 5 moves the finished brake drum 1 to the discharging mechanism 4, and the discharging mechanism 4 moves the finished brake drum out of the production line.
Claims (1)
1. A brake drum roll forming processing device is used for roll forming a brake drum (1), and is characterized by comprising a roll forming machine (3); the feeding mechanism (2) and the discharging mechanism (4) are distributed on two sides of the roll forming machine (3) along the transmission direction of the brake drum (1); the industrial robot (5) is arranged beside the feeding mechanism (2), the roll forming machine (3) and the discharging mechanism (4) and is used for sequentially moving the brake drum (1) at the discharging end of the feeding mechanism (2) to the working end of the roll forming machine (3) and the feeding end of the discharging mechanism (4); the controller, the feeding mechanism (2), the roll forming machine (3), the discharging mechanism (4) and the industrial robot (5) are electrically connected with the controller, the controller comprises a rack (3 a), an upper lifting frame (3 b), a lower lifting frame (3 c), an inner roll type wheel (3 d) and an outer roll type wheel (3 e), the upper lifting frame (3 b) can be vertically lifted and arranged at the top of the rack (3 a), the lower lifting frame (3 c) can be vertically lifted and arranged at the bottom of the rack (3 a), the inner roll type wheel (3 d) can be automatically arranged at the bottom of the upper lifting frame (3 b), the outer roll type wheel (3 e) can be automatically arranged at the top of the lower lifting frame (3 c), the axes of the inner roll type wheel (3 d) and the outer roll type wheel (3 e) are horizontally arranged, a plurality of annular bulges (3 e 1) uniformly distributed along the axis of the outer roll type wheel (3 e) are arranged on the circumferential surface of the outer roll type wheel (3 e), the circumferential surface of the inner rolling wheel (3 d) is provided with annular grooves (3 d 1) which correspond to the annular protrusions (3 e 1) one by one; the industrial robot (5) comprises a sliding table (5 a) and a manipulator, the sliding table (5 a) is horizontally arranged, the working section of the sliding table (5 a) extends from the discharge end of a feeding mechanism (2) to the feeding end of a discharging mechanism (4) through the working part of a roll forming machine (3), the manipulator can be arranged at the working part of the sliding table (5 a) in a self-rotating mode, a first rotary driver (3 f) for driving an inner roll forming wheel (3 d) to rotate is fixedly arranged on an upper-layer lifting frame (3 b), a second rotary driver (3 g) for driving an outer roll forming wheel (3 e) to rotate is fixedly arranged on a lower-layer lifting frame (3 c), the self-rotating directions of the inner roll forming wheel (3 d) and the outer roll forming wheel (3 e) are opposite, the linear speeds of the outer circumferential surfaces of the inner roll forming wheel (3 d) and the outer roll forming wheel (3 e) are the same, the industrial robot (5) further comprises a third rotary driver (5 b) for driving the manipulator to rotate, the third rotary driver (5 b) is fixedly connected with the sliding table (5 a), the upper-layer lifting frame (3 b) comprises an upper-layer bracket (3 b 1), a first linear driver (3 b 2) and a first bearing seat (3 b 3), the upper-layer bracket (3 b 1) is in sliding fit with the rack (3 a), the sliding direction of the upper-layer bracket (3 b 1) is vertically arranged, the first linear driver (3 b 2) is vertically arranged, a fixing part and a driving part of the first linear driver (3 b 2) are respectively fixedly connected with the rack (3 a) and the upper-layer bracket (3 b 1), the first bearing seat (3 b 3) is fixedly connected with the upper-layer bracket (3 b 1), and a shaft part of the inner rolling wheel (3 d) is installed in an inner ring of the first bearing seat (3 b 3); the lower-layer lifting rack (3 c) comprises a lower-layer bracket (3 c 1), a second linear driver (3 c 2) and a second bearing seat (3 c 3), the lower-layer bracket (3 c 1) is in sliding fit with the rack (3 a), the sliding direction of the lower-layer bracket (3 c 1) is vertically arranged, the second linear driver (3 c 2) is vertically arranged, a fixing part and a driving part of the second linear driver (3 c 2) are respectively and fixedly connected with the rack (3 a) and the lower-layer bracket (3 c 1), the second bearing seat (3 c 3) is fixedly connected with the lower-layer bracket (3 c 1), a shaft part of an external rolling wheel (3 e) is installed in an inner ring of the second bearing seat (3 c 3), the manipulator comprises a linear driver (5 c), a three-jaw chuck (5 d), a hook jaw (5 e) and an elastic piece (5 f), the linear driver (5 c) is fixedly installed at a working part of a third rotary driver (5 b), the working direction of the linear driver (5 c) horizontally faces to the direction far away from the third rotary driver (5 b), the three-jaw chuck (5 d) and the elastic piece (5 f) are fixedly arranged at the working end of the linear driver (5 c), the hook jaw (5 e) is fixedly arranged at the working end of the three-jaw chuck (5 d), and the working ends of the hook jaw (5 e) and the elastic piece (5 f) face to the direction far away from the third rotary driver (5 b); under the non-working state, the hook claw (5 e) contracts and penetrates through the center hole of the brake drum (1), and the elastic piece (5 f) is in a complete rebound state; in the working state, the hook claw (5 e) stretches and butts against the inner wall of the brake drum (1) located beside the central hole of the brake drum, the working end of the elastic piece (5 f) butts against the outer wall of the brake drum (1) located beside the central hole of the brake drum and is in a to-be-rebounded state, the hook claw (5 e) comprises a claw stem (5 e 1) fixedly installed at the working end of the three-jaw chuck (5 d), the claw stem (5 e 1) is L-shaped, one side of the claw stem (5 e 1) is fixedly connected with the working end of the three-jaw chuck (5 d), and the other side of the claw stem (5 e 1) is parallel to the axis of the three-jaw chuck (5 d) and extends towards the direction far away from the three-jaw chuck (5 d);
one end of the claw stem (5 e 1) far away from the three-jaw chuck (5 d) is provided with a claw tip (5 e 2) which is perpendicular to the axis of the three-jaw chuck (5 d) and extends towards the direction far away from the axis of the three-jaw chuck (5 d), one ends of the plurality of claw tips (5 e 2) far away from the axis of the three-jaw chuck (5 d) are all positioned on a concentric circle of a center hole of the brake drum (1), the diameter of the concentric circle is smaller than that of the center hole of the brake drum (1) in a non-working state, the diameter of the concentric circle is larger than that of the center hole of the brake drum (1) in a working state, one side, facing towards the three-jaw chuck (5 d), of the claw tip (5 e 2) is provided with a claw web (5 e 3), one side, far away from the axis of the three-jaw chuck (5 d), of the claw tip (5 e 2) and one side, far away from the axis of the three-jaw chuck (5 d), of the claw web (5 e 3) are combined into a step shape, and the arc surface of the claw web (5 e 3) far away from the axis of the three-jaw chuck (5 d) is an arc surface, the diameter of the arc surface is smaller than that of a central hole of the brake drum (1), the arc surface is abutted to the hole wall of the central hole of the brake drum (1) in a working state, the elastic piece (5 f) comprises a guide sleeve (5 f 1), a guide rod (5 f 2) and a nut (5 f 3), the guide sleeve (5 f 1) is fixedly mounted on a working part of the linear driver (5 c), the guide rod (5 f 2) is in sliding fit with the guide sleeve (5 f 1), the sliding direction of the guide rod (5 f 2) is parallel to the working direction of the linear driver (5 c), one end, close to the linear driver (5 c), of the guide rod (5 f 2) is provided with a thread, the thread is in threaded connection with the nut (5 f 3), one end, far away from the linear driver (5 c), of the guide rod (5 f 2) is provided with a top plate (5 f 4), a rubber pad (5 f 5) is mounted on the top plate (5 f 4), and two ends of the guide rod (5 f 2) are respectively abutted to a spring 1 and a spring (5 f) and a spring (4) respectively abutted to the guide sleeve (5 f5 c) 5f6) The feeding mechanism (2) comprises a conveyor (2 a), a left baffle (2 b) and a right baffle (2 c) are respectively arranged on two sides of the conveyor (2 a), the left baffle (2 b) is arranged on one side close to the discharging mechanism (4), the right baffle (2 c) is arranged on one side far away from the industrial robot (5), and the vertical distance between the top surface of the right baffle (2 c) and the working surface of the conveyor (2 a) is larger than the radius of the brake drum (1);
the discharge end of the conveyor (2 a) is provided with a positioning mechanism (2 d) straddling two sides of the working surface of the conveyor (2 a), the positioning mechanism (2 d) comprises a blocking rod support (2 d 1) fixedly arranged at the non-working part of the conveyor (2 a), a movable blocking rod (2 d 2) with a working part straddling over the working surface of the conveyor (2 a) is arranged on the blocking rod support (2 d 1), a photoelectric switch (2 d 3) with working light parallel to the movable blocking rod (2 d 2) is further arranged on the blocking rod support (2 d 1), the conveyor continuously conveys brake drums which are not machined to the discharge end, when the brake drums block light between the photoelectric switches, the photoelectric switch sends signals to a controller, the controller sends signals to the conveyor and an industrial robot, the conveyor stops working after time delay, the industrial robot makes material taking preparation, after the machined brake drums are placed on the discharge mechanism, the industrial robot moves to the discharge end of the conveyor to grab the brake drum.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911298390.4A CN110918671B (en) | 2019-12-17 | 2019-12-17 | Brake drum rolling type processing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911298390.4A CN110918671B (en) | 2019-12-17 | 2019-12-17 | Brake drum rolling type processing equipment |
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| CN110918671A CN110918671A (en) | 2020-03-27 |
| CN110918671B true CN110918671B (en) | 2021-10-01 |
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| CN111318941B (en) * | 2020-03-31 | 2024-06-18 | 巩义市力峰机电科技有限公司 | Motorcycle drum brake block production line |
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| US6148498A (en) * | 1999-07-30 | 2000-11-21 | Hayes Lemmerz International, Inc. | Method of making a brake drum ring |
| CN203737876U (en) * | 2014-02-26 | 2014-07-30 | 深圳市金正江大五金塑胶制品有限公司 | Automatic roller machine |
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Effective date of registration: 20220128 Address after: 261400 Zhuqiao Town Industrial Park, Laizhou City, Yantai City, Shandong Province Patentee after: Laizhou Shuangli Machinery Co.,Ltd. Address before: 230000 Anhui Hefei high tech Zone Innovation Industrial Park two phase J2 District C block 18 floor. Patentee before: HEFEI LONGTUTEM INFORMATION TECHNOLOGY Co.,Ltd. |
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