CN112974579B - Water tank bending method and device for stainless steel cabinet production - Google Patents
Water tank bending method and device for stainless steel cabinet production Download PDFInfo
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- CN112974579B CN112974579B CN202110224909.5A CN202110224909A CN112974579B CN 112974579 B CN112974579 B CN 112974579B CN 202110224909 A CN202110224909 A CN 202110224909A CN 112974579 B CN112974579 B CN 112974579B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/11—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/14—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by turning devices, e.g. turn-tables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0281—Workpiece supporting devices
Abstract
The invention discloses a method and a device for bending a water tank for stainless steel cupboard production, wherein the device comprises a clamping device and a bending device, the clamping device comprises a machine table, a clamping mechanical arm and a moving driving mechanism for driving the clamping mechanical arm to enter a working station of the bending device, and the clamping mechanical arm comprises a workbench, a clamping mechanism, a rotating driving mechanism for driving the clamping mechanism to rotate, a lifting mechanism for driving the clamping mechanism to vertically move and a supporting mechanism for supporting the clamping mechanism to adaptively swing in the bending process; the bending device comprises a rack, a bending knife and a bending driving mechanism used for driving the bending knife to move vertically, wherein a knife holder is arranged below the bending knife on the rack, and a knife groove matched with the cutting edge of the bending knife is formed in the knife holder. The water tank bending device can automatically realize the processing of the stainless steel water tank, and has higher automation degree and working efficiency.
Description
Technical Field
The invention relates to a water tank processing device, in particular to a water tank bending method and a water tank bending device for stainless steel cabinet production.
Background
The stainless steel water tank is made of stainless steel materials, the stainless steel water tank is processed on a main body in an integrated stretching or welding mode, and then a product formed after surface treatment is used for installing an indispensable part of a cabinet, and finally a finished product is used for a modern kitchen as one of indispensable tools for washing vegetables or dishes.
In the production process of the stainless steel water tank, the stainless steel needs to be bent, the traditional processing mode is completed by a manual bending device, namely, the stainless steel plate piece is manually conveyed to a workbench of the bending device, after one side of the stainless steel plate piece is bent by the bending device, the stainless steel plate piece is manually rotated by 90 degrees, the other side of the stainless steel plate piece is continuously bent by the bending device, the operation is repeated, and after four sides of the stainless steel plate piece are bent, the stainless steel plate piece forms the water tank; in order to improve the working efficiency, a plurality of bending devices can be arranged and operated by a plurality of workers; however, the conventional processing method has low automation degree and working efficiency, and the processing cost is expensive.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the water tank bending device for the production of the stainless steel cabinet.
The second purpose of the invention is to provide a water tank bending method for stainless steel cabinet production.
The technical scheme for solving the technical problems is as follows:
a water tank bending device for stainless steel cupboard production comprises a clamping device and a bending device, wherein,
the clamping device comprises a machine table, a clamping manipulator and a moving driving mechanism, wherein the clamping manipulator is arranged on the machine table and used for clamping a stainless steel plate, the moving driving mechanism is used for driving the clamping manipulator to enter a bending station of the bending device, and the clamping manipulator comprises a workbench, a clamping mechanism arranged on the workbench, a rotating driving mechanism used for driving the clamping mechanism to rotate, a lifting mechanism used for driving the clamping mechanism to vertically move and a supporting mechanism used for supporting the clamping mechanism to adaptively swing in the bending process;
the bending device comprises a rack, a bending knife arranged on the rack and a bending driving mechanism used for driving the bending knife to move vertically, wherein a knife holder is arranged below the bending knife on the rack, and a knife groove matched with the cutting edge of the bending knife is arranged on the knife holder.
Preferably, the clamping mechanism comprises a first clamping plate, a second clamping plate and a clamping driving mechanism for driving the first clamping plate and the second clamping plate to move oppositely or reversely, wherein semicircular bosses are arranged at corresponding positions of the first clamping plate and the second clamping plate, and the two semicircular bosses are spliced to form a complete circular boss; a through hole matched with the circular boss is formed in the stainless steel plate; when the through hole in the stainless steel plate piece is matched with the circular boss, the clamping driving mechanism drives the first clamping plate and the second clamping plate to move in opposite directions, and clamping of the stainless steel plate piece is achieved.
Preferably, the clamping driving mechanism comprises a cylinder fixing seat and a double-finger cylinder arranged on the cylinder fixing seat, wherein two movable rods of the double-finger cylinder are respectively connected with the first clamping plate and the second clamping plate.
Preferably, the rotary driving mechanism comprises a rotary cylinder, and a movable rod of the rotary cylinder is connected with the cylinder fixing seat.
Preferably, the supporting mechanism comprises a rotating seat, a first rotating part, a second rotating part and a third rotating part, wherein the rotating seat is fixed on the workbench, one end of the first rotating part is rotatably connected to the rotating seat, the other end of the first rotating part is hinged to one end of the second rotating part, and the other end of the second rotating part is hinged to the third rotating part; the clamping mechanism and the rotary driving mechanism are arranged on the third rotating part; the supporting mechanism further comprises three reset mechanisms for enabling the first rotating piece, the second rotating piece and the third rotating piece to reset, wherein the three reset mechanisms are arranged among the workbench, the first rotating piece, the second rotating piece and the second rotating piece respectively, and the second rotating piece and the third rotating piece respectively, each reset mechanism comprises a limiting piece and a reset spring, and the limiting pieces are arranged on the workbench, the first rotating piece and the second rotating piece and are respectively a first limiting piece, a second limiting piece and a third limiting piece; the reset springs are respectively arranged between the first limiting part and the first rotating part, between the second limiting part and the second rotating part, and between the third limiting part and the third rotating part.
Preferably, the support mechanism includes three locking mechanisms for locking the rotation postures of the first rotating member, the second rotating member and the third rotating member, wherein one of the three locking mechanisms is disposed on the rotating base, and the other two locking mechanisms are respectively disposed at two ends of the second rotating member; each group of locking mechanisms comprises a locking cylinder, wherein the telescopic rods of the locking cylinders on the rotating seat are opposite to the first rotating piece, and the telescopic rods of the locking cylinders at the two ends of the second rotating piece are respectively opposite to the first rotating piece and the third rotating piece.
Preferably, the clamping device further comprises a lifting mechanism for driving the workbench to perform lifting motion, wherein the lifting mechanism comprises a moving seat, a lifting motor arranged on the moving seat and a first screw rod transmission mechanism, a main shaft of the lifting motor is connected with a screw rod in the first screw rod transmission mechanism, and a screw rod nut of the first screw rod transmission mechanism is arranged on the workbench; the lifting mechanism further comprises a plurality of groups of vertical guide mechanisms, the plurality of groups of vertical guide mechanisms are positioned around the workbench, and each group of vertical guide mechanisms is composed of a guide rod and a guide sleeve.
Preferably, the moving driving mechanism comprises a moving motor and a second screw rod transmission mechanism which are arranged on the machine table, wherein a main shaft of the moving motor is connected with a screw rod in the second screw rod transmission mechanism, and a screw rod nut of the second screw rod transmission mechanism is arranged on the moving seat; the mobile driving mechanism further comprises two groups of mobile guide mechanisms, wherein the two groups of mobile guide mechanisms are positioned on two sides of the machine table, and each group of mobile guide mechanisms is composed of a sliding rail and a sliding block.
Preferably, the included angle of the knife grooves is 90 degrees.
Preferably, the rack is further provided with a positioning mechanism for positioning the stainless steel plate, wherein the positioning mechanism comprises a positioning plate and an adjusting mechanism for adjusting the distance between the positioning plate and the tool apron, the positioning plate comprises a vertical positioning portion and a horizontal supporting portion, when the stainless steel plate is located at the bending station, the bottom of the portion to be bent in the stainless steel plate is supported on the horizontal supporting portion, and the side surface of the portion to be bent is in contact with the vertical positioning portion.
A bending method of a water tank for stainless steel cabinet production comprises the following steps:
(1) the conveying device conveys the stainless steel plate piece to a clamping mechanism of a clamping manipulator, and the clamping mechanism clamps the stainless steel plate piece;
(2) the moving driving mechanism drives the clamping manipulator and the stainless steel plate piece to enter a bending station, and the bending driving mechanism drives the bending knife to move, so that a cutting edge of the bending knife is matched with a knife groove on the knife holder, and the stainless steel plate piece is bent;
(3) the bending driving mechanism drives the bending knife to rise, the lifting mechanism drives the clamping mechanism to move upwards, so that the bending part of the stainless steel plate piece leaves the knife groove, and then the moving driving mechanism drives the clamping manipulator to withdraw from the bending station;
(4) the rotating driving mechanism drives the clamping mechanism to rotate, so that the other side of the stainless steel plate piece faces a bending station, then the moving driving mechanism drives the clamping manipulator to enter the bending station, and the bending device repeats bending action;
(5) and (5) repeating the steps (2) to (4) until all parts to be bent of the stainless steel plate are bent.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the water tank bending device for stainless steel cabinet production, disclosed by the invention, a stainless steel plate piece is conveyed to a clamping manipulator through a conveying device, then the moving driving mechanism drives the clamping manipulator and the stainless steel plate piece to enter a bending station, and a bending knife is driven to move through a bending driving mechanism, so that the cutting edge of the bending knife is matched with a knife groove on a knife holder, and the stainless steel plate piece is bent; then, a bending driving mechanism drives the bending knife to rise, a lifting mechanism drives a clamping mechanism to move upwards, so that a bending part of the stainless steel plate piece leaves a knife groove, then, the moving driving mechanism drives a clamping manipulator to exit a bending station, then, the rotating driving mechanism drives the clamping mechanism to rotate, so that the other side (an unbent part) of the stainless steel plate piece faces the bending station, meanwhile, the moving driving mechanism drives the clamping manipulator to enter the bending station, and the bending device repeats bending action; repeating the steps until all parts to be bent of the stainless steel plate are bent; therefore, the stainless steel plate piece is automatically bent, the working efficiency is high, and the working cost is low.
2. The water tank bending device for stainless steel cabinet production can realize automatic processing of the water tank, does not need manual participation in the whole process, and can greatly improve the yield of the water tank.
Drawings
Fig. 1 is a schematic perspective view of a bending device for a sink used in the production of a stainless steel cabinet according to the present invention.
Fig. 2-4 are schematic structural views of the clamping device, wherein fig. 2 and 3 are schematic perspective structural views from two different viewing angles, and fig. 4 is a front view.
Fig. 5-6 are schematic perspective views of two different viewing angles of the bending device.
Fig. 7 is a schematic diagram of the bending process.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Referring to fig. 1-7, the bending device for a water tank for stainless steel cabinet production of the present invention includes a clamping device 1 and a bending device 2.
Referring to fig. 1-7, the clamping device 1 includes a machine table 1-1, a clamping manipulator disposed on the machine table 1-1 and used for clamping a stainless steel plate, and a moving driving mechanism 1-2 for driving the clamping manipulator to enter a working station of the bending device 2, wherein the clamping manipulator includes a working table 1-5, a clamping mechanism disposed on the working table 1-5, a rotation driving mechanism 1-9 for driving the clamping mechanism to rotate, a lifting mechanism 1-4 for driving the clamping mechanism to move vertically, and a supporting mechanism for supporting the clamping mechanism to swing adaptively during bending,
the clamping mechanism comprises two clamping plates (namely a first clamping plate 1-10 and a second clamping plate 1-10) and a clamping driving mechanism for driving the first clamping plate 1-10 and the second clamping plate 1-10 to move oppositely or reversely, wherein semicircular bosses 1-11 are arranged at corresponding positions of the first clamping plate 1-10 and the second clamping plate 1-10, and the two semicircular bosses 1-11 are spliced to form a complete circular boss; a through hole matched with the circular boss is formed in the stainless steel plate; when the through hole in the stainless steel plate piece is matched with the circular boss, the clamping driving mechanism drives the first clamping plate 1-10 and the second clamping plate 1-10 to move reversely to clamp the stainless steel plate piece, the clamping driving mechanism comprises a cylinder fixing seat and a double-finger cylinder 1-12 arranged on the cylinder fixing seat, wherein two movable rods of the double-finger cylinder 1-12 are respectively connected with the first clamping plate 1-10 and the second clamping plate 1-10. Before a stainless steel plate piece is conveyed to a clamping mechanism, the double-finger cylinder 1-12 drives the first clamping plate 1-10 and the second clamping plate 1-10 to move oppositely, so that the semicircular bosses 1-11 on the first clamping plate 1-10 and the second clamping plate 1-10 are spliced into a complete circular boss, the conveying device conveys the stainless steel plate piece to the first clamping plate 1-10 and the second clamping plate 1-10, the through hole of the stainless steel plate piece is matched with the circular boss, and then the double-finger cylinder 1-12 drives the first clamping plate 1-10 and the second clamping plate 1-10 to move reversely, so that the two semicircular bosses 1-11 tightly support the stainless steel plate piece from the inside of the through hole outwards, and the stainless steel plate piece is clamped;
the rotary driving mechanism 1-9 comprises a rotary cylinder, and a movable rod of the rotary cylinder is connected with the cylinder fixing seat; after one side of the stainless steel plate piece is bent, the rotating cylinder can drive the clamping mechanism to rotate, so that the other side of the stainless steel plate piece enters the bending station to be bent; besides the rotary cylinder, the rotary motor can also be adopted, and the clamping mechanism can be driven to rotate.
Referring to fig. 1-7, the bending device 2 includes a frame 2-5, a bending knife 2-1 disposed on the frame 2-5, and a bending driving mechanism for driving the bending knife 2-1 to move vertically, wherein the frame 2-5 is provided with a knife seat 2-2 below the bending knife 2-1, and the knife seat 2-2 is provided with a knife slot matched with a cutting edge of the bending knife 2-1; the angle of the cutter groove can be flexibly arranged according to different angles to be bent, such as 90 degrees; the bending driving mechanism comprises a vertical cylinder and a vertical guide mechanism, wherein the vertical cylinder is arranged on the rack 2-5, and a telescopic rod of the vertical cylinder is connected with the bending knife 2-1; the two groups of vertical guide mechanisms are respectively arranged on two sides of the bending knife 2-1, each group of vertical guide mechanisms consists of a guide rod and a guide sleeve, wherein the guide sleeves are arranged on the rack 2-5, the guide rods are matched with the guide sleeves, and one end of each guide rod is fixed on the bending knife 2-1. The vertical cylinder drives the bending knife 2-1 to move downwards, so that the stainless steel plate piece is pressed on the knife groove to enable the stainless steel plate piece to deform and to be matched with the knife groove (the bending angle of the stainless steel plate piece is consistent with the angle of the knife groove), and the bending process is finished.
Referring to fig. 1-7, the clamping device 1 further includes a lifting mechanism 1-4 for driving the workbench 1-5 to perform a lifting motion, wherein the lifting mechanism 1-4 includes a moving seat 1-3, a lifting motor disposed on the moving seat 1-3, and a first screw transmission mechanism, a spindle of the lifting motor is connected with a screw rod in the first screw transmission mechanism, and a screw nut of the first screw transmission mechanism is mounted on the workbench 1-5; the lifting mechanisms 1-4 further comprise vertical guide mechanisms, wherein the vertical guide mechanisms are in multiple groups, the multiple groups of vertical guide mechanisms are positioned around the workbench 1-5, and each group of vertical guide mechanisms is composed of a guide rod and a guide sleeve; the vertical guide mechanisms in the embodiment are four groups and are respectively arranged at four diagonal positions of the movable seats 1-3. Through the arrangement, after one side of the stainless steel plate piece is bent, the lifting mechanism 1-4 drives the workbench 1-5 to rise, so that the bent part of the stainless steel plate piece is separated from the cutter groove, and the clamping manipulator is driven by the movable driving mechanism 1-2 to take out the stainless steel plate piece from the bending station conveniently.
Referring to fig. 1 to 7, the supporting mechanism includes a rotating base 1-6, a first rotating member 1-7, a second rotating member 1-8 and a third rotating member 1-13, wherein the rotating base 1-6 is fixed on the workbench 1-5, one end of the first rotating member 1-7 is rotatably connected to the rotating base 1-6, the other end of the first rotating member is hinged to one end of the second rotating member 1-8, and the other end of the second rotating member 1-8 is hinged to the third rotating member 1-13; the clamping mechanism and the rotary driving mechanism 1-9 are arranged on the third rotating part 1-13; the supporting mechanism further comprises three reset mechanisms for enabling the first rotating piece 1-7, the second rotating piece 1-8 and the third rotating piece 1-13 to reset, wherein the three reset mechanisms are respectively arranged between the workbench 1-5 and the first rotating piece 1-7, between the first rotating piece 1-7 and the second rotating piece 1-8, and between the second rotating piece 1-8 and the third rotating piece 1-13, the reset mechanism comprises a limiting piece 10 and a reset spring 8, the limiting piece 10 is arranged on the workbench 1-5, the first rotating piece 1-7 and the second rotating piece 1-8, or is an integral structure with the workbench 1-5, the first rotating piece 1-7 and the second rotating piece 1-8, a first limiting part 10, a second limiting part 10 and a third limiting part 10; the return spring 8 is respectively arranged between the first limiting piece 10 and the first rotating pieces 1-7, between the second limiting piece 10 and the second rotating pieces 1-8, and between the third limiting piece 10 and the third rotating pieces 1-13; the supporting mechanism further comprises locking mechanisms for locking the rotating postures of the first rotating piece 1-7, the second rotating piece 1-8 and the third rotating piece 1-13, wherein the locking mechanisms are three groups, one group of locking mechanisms is arranged on the rotating seat 1-6, and the other two groups of locking mechanisms are respectively arranged at two ends of the second rotating piece 1-8; each group of locking mechanisms comprises a locking cylinder 9, wherein telescopic rods of the locking cylinders 9 on the rotating seats 1-6 are opposite to the first rotating parts 1-7, and telescopic rods of the locking cylinders 9 at two ends of the second rotating parts 1-8 are respectively opposite to the first rotating parts 1-7 and the third rotating parts 1-13;
when the vertical cylinder drives the bending knife 2-1 to bend the stainless steel plate on the bending station, two sides (namely a bending part and a non-bending part) of the stainless steel plate move oppositely, so that the first rotating part 1-7, the second rotating part 1-8 and the third rotating part 1-13 are driven to rotate, the acting force on a clamping manipulator when the non-bending part in the stainless steel plate rotates is eliminated, and the stainless steel plate is prevented from being released from the clamping mechanism; after the bending is finished, the locking mechanism works, wherein a telescopic rod in a locking cylinder 9 on the rotating seat 1-6 extends out and is tightly propped against the first rotating piece 1-7, the telescopic rods in the locking cylinders 9 at the two ends of the second rotating piece 1-8 extend out and are tightly propped against the first rotating piece 1-7 and the third rotating piece 1-13, so that the first rotating member 1-7, the second rotating member 1-8 and the third rotating member 1-13 are maintained in this state, and then, the vertical cylinder drives the bending knife 2-1 to rise, the lifting mechanism 1-4 drives the clamping manipulator to move upwards, so that the bending part of the stainless steel plate piece is separated from the knife groove, then, the moving driving mechanism 1-2 drives the clamping manipulator to move, so that the stainless steel plate piece leaves a bending station; then, the three sets of locking cylinders 9 retract the telescopic rods, so that the first rotating members 1 to 7, the second rotating members 1 to 8 and the third rotating members 1 to 13 are reset under the action of the elastic force of the reset springs 8 of the corresponding reset mechanisms until the first rotating members 1 to 7, the second rotating members 1 to 8 and the third rotating members 1 to 13 are respectively contacted with the first limiting members 10, the second limiting members 10 and the third limiting members 10 of the corresponding reset mechanisms.
Referring to fig. 1-7, the movement driving mechanism 1-2 includes a movement motor and a second screw transmission mechanism, which are disposed on the machine platform 1-1, wherein a main shaft of the movement motor is connected to a screw in the second screw transmission mechanism, and a screw nut of the second screw transmission mechanism is mounted on the movement base 1-3; the moving driving mechanism 1-2 further comprises two moving guide mechanisms, wherein the two moving guide mechanisms are positioned on two sides of the machine table 1-1, and each moving guide mechanism is composed of a guide rod and a guide sleeve or a slide rail and a slide block. The second screw rod in the second screw rod transmission mechanism is driven to rotate by the moving motor, so that the moving seat 1-3 and the clamping manipulator on the moving seat 1-3 are driven to enter or leave a bending station.
Referring to fig. 1 to 7, a positioning mechanism for positioning the stainless steel plate is further disposed on the frame 2-5, wherein the positioning mechanism includes a positioning plate and an adjusting mechanism (not shown in the drawings) for adjusting a distance between the positioning plate and the tool apron 2-2, the positioning plate includes a vertical positioning portion 2-3 and a horizontal supporting portion 2-4, when the mobile driving mechanism 1-2 drives the clamping manipulator to transport the stainless steel plate to the bending station, a portion to be bent of the stainless steel plate is in contact with the vertical positioning portion 2-3 in the positioning plate, and a portion to be bent is supported on the horizontal supporting portion 2-4; the adjusting mechanism can adopt a mode of combining a hand wheel and a screw rod transmission mechanism, and the hand wheel is rotated to drive the screw rod to rotate so as to adjust the distance between the positioning plate and the bending knife 2-1.
Referring to fig. 1 to 7, the working principle of the water tank bending device for stainless steel cabinet production of the present invention is;
during operation, during handling device carried the corrosion resistant plate spare to clamping device 1, the clamping manipulator in the clamping device 1 carries out the clamping to this corrosion resistant plate spare, and specific clamping mode is: before a stainless steel plate piece is conveyed to a clamping mechanism, the double-finger cylinder 1-12 drives the first clamping plate 1-10 and the second clamping plate 1-10 to move oppositely, so that the semicircular bosses 1-11 on the first clamping plate 1-10 and the second clamping plate 1-10 are spliced into a complete circular boss, the conveying device conveys the stainless steel plate piece to the first clamping plate 1-10 and the second clamping plate 1-10, the through hole of the stainless steel plate piece is matched with the circular boss, and then the double-finger cylinder 1-12 drives the first clamping plate 1-10 and the second clamping plate 1-10 to move reversely, so that the two semicircular bosses 1-11 tightly support the stainless steel plate piece from the inside of the through hole outwards, and the stainless steel plate piece is clamped;
after clamping is completed, the moving driving mechanism 1-2 drives the clamping manipulator to move towards the bending station, so that a stainless steel plate piece on the clamping manipulator enters the bending station, then the vertical cylinder drives the bending knife 2-1 to bend the stainless steel plate piece on the bending station, and in the process, two sides (namely a bending part and a non-bending part) of the stainless steel plate piece move oppositely, so that the first rotating part 1-7, the second rotating part 1-8 and the third rotating part 1-13 are driven to rotate, so that the acting force on the clamping manipulator when the non-bending part in the stainless steel plate piece rotates is eliminated, and the stainless steel plate piece is prevented from being released from the clamping mechanism; after the bending is finished, the locking mechanism works, wherein a telescopic rod in a locking cylinder 9 on the rotating seat 1-6 extends out and is tightly propped against the first rotating piece 1-7, the telescopic rods in the locking cylinders 9 at the two ends of the second rotating piece 1-8 extend out and are tightly propped against the first rotating piece 1-7 and the third rotating piece 1-13, so that the first rotating member 1-7, the second rotating member 1-8 and the third rotating member 1-13 are maintained in this state, and then, the vertical cylinder drives the bending knife 2-1 to rise, the lifting mechanism 1-4 drives the clamping manipulator to move upwards, so that the bending part of the stainless steel plate piece is separated from the knife groove, then, the moving driving mechanism 1-2 drives the clamping manipulator to move, so that the stainless steel plate piece leaves a bending station; then, the three sets of locking cylinders 9 retract the telescopic rods, so that the first rotating members 1 to 7, the second rotating members 1 to 8 and the third rotating members 1 to 13 are reset under the action of the elastic force of the reset springs 8 of the corresponding reset mechanisms until the first rotating members 1 to 7, the second rotating members 1 to 8 and the third rotating members 1 to 13 are respectively contacted with the first limiting members 10, the second limiting members 10 and the third limiting members 10 of the corresponding reset mechanisms. Then, the rotating driving mechanism 1-9 drives the clamping mechanism to rotate, so that the other side (the part which is not bent) of the stainless steel plate piece faces a bending station, meanwhile, the moving driving mechanism 1-2 drives the clamping manipulator to enter the bending station, and the bending device repeats bending action to bend the stainless steel plate piece on the side. And repeating the steps until all parts to be bent of the stainless steel plate pieces are bent.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (7)
1. A water tank bending device for stainless steel cupboard production comprises a clamping device and a bending device, and is characterized in that,
the clamping device comprises a machine table, a clamping manipulator and a moving driving mechanism, wherein the clamping manipulator is arranged on the machine table and used for clamping a stainless steel plate, the moving driving mechanism is used for driving the clamping manipulator to enter a bending station of the bending device, and the clamping manipulator comprises a workbench, a clamping mechanism arranged on the workbench, a rotating driving mechanism used for driving the clamping mechanism to rotate, a lifting mechanism used for driving the clamping mechanism to vertically move and a supporting mechanism used for supporting the clamping mechanism to adaptively swing in the bending process; wherein the content of the first and second substances,
the supporting mechanism comprises a rotating seat, a first rotating piece, a second rotating piece and a third rotating piece, wherein the rotating seat is fixed on the workbench, one end of the first rotating piece is rotatably connected to the rotating seat, the other end of the first rotating piece is hinged to one end of the second rotating piece, and the other end of the second rotating piece is hinged to the third rotating piece; the clamping mechanism and the rotary driving mechanism are arranged on the third rotating part; the supporting mechanism further comprises three reset mechanisms for enabling the first rotating piece, the second rotating piece and the third rotating piece to reset, wherein the three reset mechanisms are arranged among the workbench, the first rotating piece, the second rotating piece and the second rotating piece respectively, and the second rotating piece and the third rotating piece respectively, each reset mechanism comprises a limiting piece and a reset spring, and the limiting pieces are arranged on the workbench, the first rotating piece and the second rotating piece and are respectively a first limiting piece, a second limiting piece and a third limiting piece; the reset springs are respectively arranged between the first limiting piece and the first rotating piece, between the second limiting piece and the second rotating piece, and between the third limiting piece and the third rotating piece;
the supporting mechanism further comprises locking mechanisms for locking the rotating postures of the first rotating piece, the second rotating piece and the third rotating piece, wherein the locking mechanisms are divided into three groups, one group of locking mechanisms is arranged on the rotating seat, and the other two groups of locking mechanisms are respectively arranged at two ends of the second rotating piece; each group of locking mechanisms comprises a locking cylinder, wherein the telescopic rods of the locking cylinders on the rotating seat are opposite to the first rotating piece, and the telescopic rods of the locking cylinders at the two ends of the second rotating piece are respectively opposite to the first rotating piece and the third rotating piece;
the clamping mechanism comprises a first clamping plate, a second clamping plate and a clamping driving mechanism for driving the first clamping plate and the second clamping plate to move oppositely or reversely, wherein semicircular bosses are arranged at corresponding positions of the first clamping plate and the second clamping plate, and the two semicircular bosses are spliced to form a complete circular boss; a through hole matched with the circular boss is formed in the stainless steel plate; when the through hole in the stainless steel plate piece is matched with the circular boss, the clamping driving mechanism drives the first clamping plate and the second clamping plate to move in opposite directions, so that the stainless steel plate piece is clamped;
the bending device comprises a rack, a bending knife arranged on the rack and a bending driving mechanism used for driving the bending knife to move vertically, wherein a knife holder is arranged below the bending knife on the rack, and a knife groove matched with the cutting edge of the bending knife is arranged on the knife holder;
when the bending driving mechanism drives the bending knife to bend the stainless steel plate, the locking mechanism unlocks the first rotating piece, the second rotating piece and the third rotating piece respectively; when the bending driving mechanism drives the bending knife to bend the stainless steel plate, the locking mechanism locks the first rotating piece, the second rotating piece and the third rotating piece respectively; after the clamping device drives the stainless steel plate to exit the bending device, the locking mechanism respectively unlocks the first rotating piece, the second rotating piece and the third rotating piece.
2. The sink bending device for stainless steel cabinet production according to claim 1, wherein the clamping driving mechanism comprises a cylinder fixing seat and a two-finger cylinder disposed on the cylinder fixing seat, wherein two movable rods of the two-finger cylinder are respectively connected with the first clamping plate and the second clamping plate.
3. The sink bending apparatus for stainless steel cabinet production according to claim 2, wherein the rotation driving mechanism comprises a rotation cylinder, and a movable rod of the rotation cylinder is connected to the cylinder fixing seat.
4. The trough bending device for stainless steel cabinet production according to claim 1, wherein the clamping device further comprises a lifting mechanism for driving the worktable to perform lifting movement, wherein the lifting mechanism comprises a moving seat, a lifting motor arranged on the moving seat, and a first screw transmission mechanism, wherein a spindle of the lifting motor is connected with a screw in the first screw transmission mechanism, and a screw nut of the first screw transmission mechanism is mounted on the worktable; the lifting mechanism further comprises a plurality of groups of vertical guide mechanisms, the plurality of groups of vertical guide mechanisms are positioned around the workbench, and each group of vertical guide mechanisms is composed of a guide rod and a guide sleeve.
5. The trough bending device for stainless steel cabinet production according to claim 4, wherein the moving driving mechanism comprises a moving motor and a second screw transmission mechanism, the moving motor is disposed on a machine table, a spindle of the moving motor is connected with a screw in the second screw transmission mechanism, and a screw nut of the second screw transmission mechanism is mounted on the moving base; the mobile driving mechanism further comprises two groups of mobile guide mechanisms, wherein the two groups of mobile guide mechanisms are positioned on two sides of the machine table, and each group of mobile guide mechanisms is composed of a sliding rail and a sliding block.
6. The sink bending apparatus for stainless steel cabinet production according to claim 1, wherein a positioning mechanism for positioning the stainless steel plate is further disposed on the frame, wherein the positioning mechanism comprises a positioning plate and an adjusting mechanism for adjusting a distance between the positioning plate and the tool post, wherein the positioning plate comprises a vertical positioning portion and a horizontal support portion, when the stainless steel plate is located at the bending station, a bottom of a portion to be bent of the stainless steel plate is supported on the horizontal support portion, and a side surface of the portion is in contact with the vertical positioning portion.
7. A method of bending a sink for use in a sink bending apparatus for stainless steel cabinet production according to any one of claims 1 to 6, comprising the steps of:
(1) the conveying device conveys the stainless steel plate piece to a clamping mechanism of a clamping manipulator, and the clamping mechanism clamps the stainless steel plate piece;
(2) the moving driving mechanism drives the clamping manipulator and the stainless steel plate piece to enter a bending station, and the bending driving mechanism drives the bending knife to move, so that a cutting edge of the bending knife is matched with a knife groove on the knife holder, and the stainless steel plate piece is bent;
(3) the bending driving mechanism drives the bending knife to rise, the lifting mechanism drives the clamping mechanism to move upwards, so that the bending part of the stainless steel plate piece leaves the knife groove, and then the moving driving mechanism drives the clamping manipulator to withdraw from the bending station;
(4) the rotating driving mechanism drives the clamping mechanism to rotate, so that the other side of the stainless steel plate piece faces a bending station, then the moving driving mechanism drives the clamping manipulator to enter the bending station, and the bending device repeats bending action;
(5) and (5) repeating the steps (2) to (4) until all parts to be bent of the stainless steel plate are bent.
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| CN212190951U (en) * | 2020-04-29 | 2020-12-22 | 瑞锦电气(苏州)有限公司 | Workpiece clamping and conveying device of numerical control bending machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110538899B (en) * | 2018-09-26 | 2024-04-02 | 南京蓝昊智能科技有限公司 | Multi-shaft driving bending machine and bending method thereof |
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| GB8905830D0 (en) * | 1988-03-15 | 1989-04-26 | Amada Co Ltd | Manipulator device for a bending machine and a method for changing the position of the workpiece in a bending process |
| CN205035026U (en) * | 2015-08-28 | 2016-02-17 | 黄遵建 | Automatic transport vehicle |
| CN110153240A (en) * | 2019-06-18 | 2019-08-23 | 杭州东盛五金电器有限公司 | A kind of sheet metal bending system |
| CN211679422U (en) * | 2020-03-06 | 2020-10-16 | 烟台钜铭金属科技有限公司 | Bending machine with rear stock stop |
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