[0036] In order to make the technical means, creative features, objectives and effects of the invention easy to understand, the invention will be further explained below with specific drawings. It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other without conflict.
[0037] such as 1 to 12 As shown in the figure, a method for forming and manufacturing the cooling structure of a heat exchanger uses a forming device for the cooling structure of the heat exchanger, which includes a pressing auxiliary mechanism 1, an intermittent indexing mechanism 2 and a displacement mechanism 3. The specific processing method for forming and manufacturing the cooling structure of the heat exchanger by using the forming device is as follows:
[0038] S1, guiding and clamping: the floating clamping unit 12 clamps and slides the cooling copper pipe for guiding and conveying, and the horizontal clamping distributed horizontal and vertical design prevents the swinging deviation of the cooling copper pipe during forming and bending;
[0039] S2, guiding and pressing: the guide roller 19 slides and presses the bent copper tube to prevent the angle deviation of the spiral forming and bending of the cooling copper tube, and the angle guide plate 13 can adjust the angle of the spiral pressing, which is suitable for the spiral pressing and angle bending of different types of copper tubes;
[0040] S3, rotary molding: the vertical copper pipe is rotated and wound by the intermittent indexing mechanism 2, so that the vertical copper pipe is bent and molded into a spiral coil, and a large number of bending coil molding operations are realized by intermittently rotating the pressure maintaining unit 22, and the molding shape of the bending coil is kept under pressure, so that the molding effect and quality are improved;
[0041] S4, inspection and collection: taking and collecting the spiral copper pipe by staff, and recording the bending change and the appearance of the molded surface;
[0042] The displacement mechanism 3 is installed on the left end face of the intermittent indexing mechanism 2, the pressing auxiliary mechanism 1 is installed on the displacement mechanism 3, and the pressing auxiliary mechanism 1 is located right above the intermittent indexing mechanism 2;
[0043]The pressing auxiliary mechanism 1 comprises a sliding vertical frame 10, a pushing cylinder 11, a floating clamping unit 12, an angle guide plate 13, a protractor 14, an indexing frame 15, a hand wheel 16, a fastening knob 17, a rotary wheel 18, a guide roller 19, a servo motor 19A and a bolt cylinder 19B；; The sliding vertical plate frame 10 is installed on the displacement mechanism 3 in a sliding fit way, the pushing cylinder 11 is installed on the displacement mechanism 3 through a cylinder seat, the output shaft of the pushing cylinder 11 is connected with the sliding vertical plate frame 10 through a floating joint, the sliding vertical plate frame 10 is symmetrically provided with a floating clamping sheet, the angle guide plate 13 is installed on the sliding vertical plate frame 10, and arc-shaped waist holes are uniformly arranged on the angle guide plate 13, The angle guide plate 13 is uniformly provided with arc-shaped waist holes, so that it is convenient to control the pressing and positioning angle change of the indexing frame 15 by sliding, meet the pressing and forming treatment of different angles, find the pressing angle position accurately, improve the variability of the spiral angle of copper tube forming, and meet the market demand; The protractor 14 is installed on the angle guide plate 13 by bolts, the indexing frame 15 is installed on the sliding vertical plate frame 10 by bearings, the handwheel 16 is installed on the sliding vertical plate frame 10, the shaft end of the handwheel 16 is connected with the indexing frame 15 by bolts, the fastening knob 17 is installed on the indexing frame 15 by screw fitting, and the fastening knob 17 is connected with the angle guide plate 13 by sliding fitting. The turntable wheel 18 is mounted on the indexing frame 15 through a bearing, and the turntable wheel 18 is uniformly provided with limited holes, so that the turntable wheel 18 can be easily fixed after its position adjustment, the accuracy of the rotation stop position can be ensured, and the looseness during rotation can be eliminated. The turntable wheel 18 is uniformly provided with guide rollers 19 through bearings, the servo motor 19A is installed on the outer wall of the indexing frame 15 through a motor seat, the output shaft of the servo motor 19A is connected with the turntable wheel 18 through a flange, and the bolt cylinder 19B is installed on the outer wall of the indexing frame 15 through a cylinder seat; The pushing cylinder 11 pushes the sliding vertical frame 10 to slide forward, the floating clamping unit 12 guides and transports the copper pipes, the fastening knob 17 fixes the angle of the indexing frame 15, the handwheel 16 swings and controls the indexing frame 15 to adjust the angle around the angle guide plate 13, the protractor 14 takes readings, the servo motor 19A controls the rotary table wheel 18 to rotate to change the position of the guide roller 19, and the bolt cylinder 19B is inserted into the limiting pin on the rotary table wheel 18 to fix it.
[0044] The floating clamping unit 12 comprises a guide frame 121, a floating bracket 122, a pulley clamping jaw 123 and a disc spring shaft 124. The guide frame 121 is installed on the sliding vertical plate frame 10, the floating bracket 122 is arranged on the guide frame 121 in a sliding fit mode, the pulley clamping jaws 123 are symmetrically installed on the floating bracket 122 in a rotating hinge mode, the disc spring shaft rod 124 runs through the pulley clamping jaws 123 in a sliding fit mode, and the shaft heads at both ends of the disc spring shaft rod 124 are respectively installed on the guide frame 121 by bolts; Clamping force is obtained by the disc spring shaft 124, clamping operation is performed by the pulley clamping jaw 123, and the floating bracket 122 is separated from the guide frame 121 and has floated, so it can follow the offset.
[0045] The intermittent indexing mechanism 2 comprises a main beam bracket 20, an indexing circular table 21, a pressure maintaining unit 22, a pushing connecting rod 23, a ratchet gear 24, an indexing gear 25, an actuating cylinder 26, a inching cylinder 27, a pawl 28, an indexing claw 29 and a vertical plate runner 29A；; The indexing round table 21 is mounted on the main beam bracket 20 through bearings, a plurality of groups of pressure maintaining units 22 are uniformly arranged in the circumferential direction of the indexing round table 21, the pushing connecting rod 23 is mounted on the outer ring of the bottom shaft end of the indexing round table 21 in a movable connection way, and a ratchet gear 24 is arranged right above the pushing connecting rod 23, and the ratchet gear 24 is mounted on the outer ring of the shaft of the indexing round table 21. The indexing gear 25 is installed on the ratchet gear 24, the actuating cylinder 26 and the inching cylinder 27 are respectively installed on the main beam bracket 20 through cylinder supports, the output shaft of the actuating cylinder 26 is movably connected with the pushing link 23 through a joint joint, the pawl 28 is installed on the pushing link 23 in an articulated way, and the pawl 28 and the ratchet gear 24 are engaged and clamped with each other, The output shaft of that inching cylinder 27 is movably connecte with the indexing claw 29 through a joint, the indexing claw 29 is installed on the main beam bracket 20 in a hinged way, and the indexing claw 29 and the indexing gear 25 are meshed and clamped with each other; the vertical plate runner 29A is uniformly installed on the main beam bracket 20 around the circumferential direction of the indexing circular table 21, and the vertical plate runner 29A and the indexing circular table 21 are mutually abutted by rolling; The indexing pawl 29 is pushed away from the notch of the indexing gear 25 by the inching cylinder 27, and then the push link 23 is driven by the actuating cylinder 26 to rotate around the indexing round table 21, and then the pawl 28 is clamped against the ratchet gear 24 to realize the synchronous rotation of the ratchet gear 24 and the indexing gear 25, and the indexing round table 21 is linked to rotate around the main beam bracket 20. Then, the indexing pawl 29 is clamped at the notch of the indexing gear 25 by the inching cylinder 27 to achieve fixation, while the actuating cylinder 26 pulls the push link 23 to rotate around the indexing circular table 21 in a reset way, and then the pawl 28 is clamped against the tooth of the ratchet gear 24 to achieve clamping and fixation in the guiding direction, and the vertical plate runner 29A always plays an auxiliary supporting and sliding role.
[0046] The pressure maintaining unit 22 includes a motor hanger 221, an actuating motor 222, a molding shaft 223, a sliding disc 224, a handle 225, an embossing knob 226 and a pressure maintaining clamp plate 227. The motor bracket 221 is installed on the bottom end face of the indexing round table 21, and the motor bracket 221 is provided with an actuating motor 222, the output shaft of which is connected with a forming shaft 223 through a coupling, the forming shaft 223 is installed on the indexing round table 21 through a bearing, and the sliding disc 224 is installed on the bottom end face of the motor bracket 221 through a ball bearing. The sliding disc 224 is uniformly provided with waist-shaped grooves, and the sliding disc 224 is uniformly provided with waist-shaped grooves, so that the sliding distance of the pressure-keeping clamping plate 227 can be adjusted synchronously by rotating the sliding disc 224, thereby meeting the requirements of pressure clamping different forming coils, and improving the application range and economic practicability of the pressure-keeping forming coils. The handle 225 is installed on the sliding disc 224 by bolts, the embossing knob 226 is uniformly installed on the motor hanger 221 by screw fitting, and the embossing knob 226 and the sliding disc 224 are connected with each other by sliding fitting, the pressure-keeping clamping plates 227 are uniformly installed on the motor hanger 221 by sliding fitting, and the pressure-keeping clamping plates 227 are slidably connected with the sliding disc 224 by cantilever pins. The handle 225 pulls the sliding disc 224 to rotate, and synchronously controls the expansion spacing adjustment of the pressure retaining clamp plate 227. The embossing knob 226 is locked and fixed, and the forming shaft 223 is driven to rotate by the actuating motor 222.
[0047] The displacement mechanism 3 comprises a triangular support frame 30, a motor 31, a screw 32 and a lifting platform 33. The triangular support frame 30 is installed on the intermittent indexing mechanism 2, the triangular support frame 30 is provided with a motor 31 through a motor seat, the output shaft of the motor 31 is connected with one end shaft head of a screw 32 through a coupling, the screw 32 is installed on the triangular support frame 30 through a bearing, and the screw 32 penetrates through the inside of the lifting platform 33 through a screw fit mode, and the lifting platform 33 is installed on the triangular support frame 30 through a sliding fit mode; The motor 31 drives the screw 32 to rotate, thereby controlling the lifting movement of the lifting platform 33.
[0048] The above shows and describes the basic principle, main features and advantages of the present invention. It should be understood by those skilled in the art that the invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions in the specification only illustrate the principles of the invention. Without departing from the spirit and scope of the invention, there will be various changes and improvements of the invention, all of which fall within the scope of the claimed invention. The scope of that invention is define by the appended claim and their equivalents.
