A bending device for bending a double terminated electrical head

Abstract

The application provides a bending device for bending double-terminal electrical heads, and relates to the technical field of bending processing, and comprises a main base, a U-shaped frame is fixedly arranged at the top rear side of the main base, a main push electric cylinder is fixedly arranged at the top of the U-shaped frame, a T-shaped push block is fixedly arranged at the telescopic end of the main push electric cylinder, a lifting seat is fixedly arranged at the top of the lifting seat, a combination block is fixedly arranged at the top of the lifting seat, the combination block is fixedly arranged at the outside of the T-shaped push block, two groups of positioning push rods are fixedly arranged at the bottom of the lifting seat, an upper positioning die is arranged below the lifting seat, the application has the combination positioning function, manual control of tool fixing workpieces is not needed, the lifting seat and the upper positioning die are lowered by the main push electric cylinder, the upper positioning die contacts the upper side of the workpiece, the workpiece can be fixed by the lower positioning die, the workpiece can be taken down by directly lifting the upper positioning die after bending, manual unlocking is not needed, convenience is provided for high-frequency continuous processing, and the problem of inconvenient and quick positioning of the existing bending device is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bending processing, in particular to a bending device for bending double-terminal electric heads. BACKGROUND

[0002] The two conductive bodies of the double-terminal electric head are made of iron core or copper core material, and the main body has a U-shaped structure. The two bending processes are performed by a bending mechanism. Before installation, one end needs to be bent to ensure that the conductive body can pass through the insulator. After fixing, the other end of the conductive body needs to be bent, and a bending machine needs to be used at this time.

[0003] The existing bending device has the following disadvantages:

[0004] 1. The bending is mainly performed by directly pressing the conductive body fixed by the tool through the hydraulic device, the bending effect is not good, and the workpiece cannot be quickly disassembled and assembled, and the combination positioning function is lacking.

[0005] 2. It is not convenient to integrate the fixed workpiece and the bending into a linkage, different components need to be used for driving, the control is complicated, the power cost is high, and it is not conducive to quick bending.

[0006] 3. The detection mechanism needs to be used for positioning before bending, the positioning effect is not good, and it is not convenient to mechanically maintain the positioning during the bending process. SUMMARY

[0007] Therefore, the present application provides a bending device for bending double-terminal electric heads in view of the above-mentioned problems in the prior art.

[0008] The present application provides a bending device for bending double-terminal electric heads, which specifically comprises: a main base, a U-shaped frame is fixedly arranged at the top rear side of the main base, and a main push cylinder is fixedly arranged at the top of the U-shaped frame; a T-shaped push block is fixedly arranged at the extension end of the main push cylinder; a lifting seat is fixedly arranged at the top of the lifting seat, and the combination block is fixedly arranged at the outside of the T-shaped push block; two groups of positioning push rods are fixedly arranged at the bottom of the lifting seat; an upper positioning die is arranged below the lifting seat, and a groove capable of accommodating the upper positioning die is formed in the bottom of the lifting seat; a workbench is fixedly arranged at the top middle of the main base, an extension table plate is fixedly arranged at the front top of the workbench, a push cylinder is fixedly arranged at the top of the extension table plate, the extension end of the push cylinder faces backward, a workpiece table is fixedly arranged at the extension end of the push cylinder, and a lower positioning die is fixedly arranged at the top of the workpiece table; two groups of transmission frames are fixedly arranged at the top rear sides of the main base; extension bases are fixedly arranged at the lower rear sides of the workbench, a driven piston and a trigger piston are fixedly arranged at the top of each extension base, and the bottoms of the driven piston and the trigger piston of the same side are communicated through an oil pipe.

[0009] Optionally, the top of the landing seat is fixedly provided with two groups of sliding rods, the sliding rods are in sliding connection with the U-shaped frame; the rear side of the landing seat is integrally provided with two groups of guide frames; the rear side of the upper positioning die is provided with two groups of spring rods extending upwards, the spring rods are sleeved with springs and then pass through the guide frames to be provided with limiting flaps; the top of the upper positioning die is provided with a spring between the landing seat.

[0010] Optionally, the edges of the rear end and both sides of the workbench are fixedly provided with maintenance platforms, the top of each maintenance platform is provided with two groups of through rod holes, and the through rod holes are vertically aligned with the positioning push rods; the top of the workbench is fixedly provided with two groups of dovetail sliding strips, and the workpiece table is in sliding fit below the two groups of dovetail sliding strips.

[0011] Optionally, both sides of the workpiece table are provided with two groups of positioning through holes, and the positioning push rods can pass through the positioning through holes.

[0012] Optionally, the middle of the transmission frame is rotatably provided with a middle shaft in cooperation with a bearing, and the outer side of the middle shaft is fixedly provided with a driven gear; the adjacent ends of the middle shafts on both sides are fixedly provided with overturning blocks, two groups of overturning blocks are fixedly provided with a connecting frame, and the top of the connecting frame is fixedly provided with a bent plate.

[0013] Optionally, the bottom of the connecting frame is fixedly provided with two groups of proximity sensors, and the workpiece table can contact the two groups of proximity sensors; when the workpiece table contacts the proximity sensors, the positioning push rods are vertically aligned with the positioning through holes, and the upper positioning die and the lower positioning die are vertically aligned.

[0014] Optionally, the driven piston is located in the interior of the transmission frame, the telescopic end of the driven piston is fixedly provided with a control rack, and the driven piston is in meshing connection with the driven gear.

[0015] Optionally, the outer side of the trigger piston is sleeved with a spring for resetting; the trigger piston is vertically aligned with the positioning push rod.

[0016] Optionally, the interiors of the driven piston and the trigger piston are filled with hydraulic oil, and the driven piston is extended when the trigger piston is contracted.

[0017] Beneficial effects are as follows:

[0018] 1、The present application has a combined positioning function, without manual control of the workpiece fixing tool, the landing seat and the upper positioning die are lowered by the main push cylinder, the upper positioning die contacts the upper side of the workpiece, the workpiece is fixed in cooperation with the lower positioning die, and after bending, the upper positioning die is directly lifted to take down the workpiece, so that the workpiece is convenient to disassemble and assemble, without manual unlocking, and high-frequency continuous machining is provided.

[0019] 2、The present application combines the driving of positioning and bending, after the positioning push rod is inserted into the positioning hole, the positioning push rod will continue to move downward, extruding the trigger piston, inputting hydraulic oil to the driven piston to push the control rack upward, rotating the driven gear 90 degrees by the control rack, making the bending plate contact the conductor to bend the conductor, realizing the automatic bending function, reducing the power consumption, and without additional control, the automatic effect is good and the work is stable.

[0020] 3、The positioning push rod also provides an auxiliary positioning function, in addition to being able to trigger bending, it is a kind of cooperation in the working process, the positioning push rod is inserted into the positioning hole, auxiliary positioning, ensuring that the upper positioning die and the lower positioning die are vertically aligned, so that the work can continue, realizing mechanical verification, if the upper positioning die and the lower positioning die are misaligned, the work cannot continue, the program stops and sends an alarm. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The three-dimensional structure schematic diagram of the embodiment in the present application is shown;

[0022] Figure 2 The axial side structure schematic diagram of the embodiment in the present application is shown;

[0023] Figure 3 The side elevation structure schematic diagram of the embodiment in the present application is shown;

[0024] Figure 4 The working state structure schematic diagram of the embodiment in the present application is shown;

[0025] Figure 5 Another angle structure schematic diagram of the embodiment in the present application is shown; Figure 4

[0026] Figure 6 The partial three-dimensional structure schematic diagram of the embodiment in the present application is shown;

[0027] Figure 7 The side cross-sectional structure schematic diagram of the embodiment in the present application is shown;

[0028] Figure 8 The workpiece positioning assembly structure schematic diagram of the embodiment in the present application is shown.

[0029] LIST OF REFERENCE NUMERALS

[0030] ​1, main base; 101, U-shaped frame; 102, main push cylinder; 103, T-shaped push block; 2, landing seat; 201, combination block; 202, sliding rod; 203, positioning push rod; 204, guide frame; 3, upper positioning die; 301, spring rod; 4, workbench; 401, extension base; 402, maintenance platform; 403, rod hole; 404, dovetail slide; 5, extension platform; 501, push cylinder; 502, workpiece table; 503, positioning hole; 504, lower positioning die; 6, transmission frame; 601, intermediate shaft; 602, driven gear; 603, turnover block; 604, connecting frame; 605, bending plate; 606, proximity sensor; 7, driven piston; 701, control rack; 8, trigger piston. DETAILED DESCRIPTION

[0031] In order to make the purpose, scheme and advantages of the technical scheme of the present application more clear, the technical scheme of the present application embodiment will be described clearly and completely in the following with reference to the drawings of the specific embodiments of the present application.

[0032] Embodiment 1: please refer to the drawings in the specification, Figures 1 to 8 as shown:

[0033] The present application provides a bending device for bending double-ended electrical head, comprising: main base 1, the top rear side of main base 1 is fixedly provided with U-shaped frame 101, the top of U-shaped frame 101 is fixedly provided with main push cylinder 102; the telescopic end of main push cylinder 102 is fixedly provided with T-shaped push block 103; landing seat 2, the top of landing seat 2 is fixedly provided with combination block 201, combination block 201 is fixedly fitted outside T-shaped push block 103; the bottom of landing seat 2 is fixedly provided with two groups of positioning push rods 203; the lower side of landing seat 2 is provided with upper positioning die 3, and the bottom of landing seat 2 is provided with a groove capable of accommodating upper positioning die 3; the top middle of main base 1 is fixedly provided with workbench 4, the front top of workbench 4 is fixedly provided with extension platform 5, the top of extension platform 5 is fixedly provided with push cylinder 501, the telescopic end of push cylinder 501 is rearward, and the telescopic end of push cylinder 501 is fixedly provided with workpiece table 502, the top of workpiece table 502 is fixedly provided with lower positioning die 504; the top rear side of main base 1 is fixedly provided with two groups of transmission frames 6 at both ends; the lower rear side of workbench 4 is fixedly provided with extension base 401 at both ends, the top of extension base 401 is fixedly provided with driven piston 7 and trigger piston 8, and the bottoms of driven piston 7 and trigger piston 8 of the same side are provided with oil pipes in communication.

[0034] The top of the landing seat 2 is fixedly equipped with two sets of sliding rods 202, which are slidably connected to the U-shaped frame 101; the rear side of the landing seat 2 is integrally equipped with two sets of guide frames 204; the upper rear side of the upper positioning mold 3 is equipped with two sets of spring rods 301, each spring rod 301 is fitted with a spring and passes through the guide frame 204 to set a limiting baffle; a spring is provided between the top of the upper positioning mold 3 and the landing seat 2.

[0035] Among them, a holding plate 402 is fixedly installed on the upper rear end and the edges of both sides of the worktable 4. The top of the holding plate 402 has two sets of rod holes 403, which are vertically aligned with the positioning push rod 203. Two sets of dovetail slides 404 are fixedly installed on the top of the worktable 4, and the workpiece table 502 slides outside the two sets of dovetail slides 404.

[0036] The workpiece stage 502 has two sets of positioning holes 503 on both sides, and the positioning push rod 203 can pass through the positioning holes 503.

[0037] The transmission frame 6 has a central shaft 601 that rotates with bearings in the middle, and a driven gear 602 is fixedly installed on the outside of the central shaft 601. A flipping block 603 is fixedly installed at the adjacent ends of the two central shafts 601, and a connecting frame 604 is fixedly installed between the two sets of flipping blocks 603. A bending plate 605 is fixedly installed on the top of the connecting frame 604.

[0038] Two sets of proximity sensors 606 are fixedly installed at the bottom of the connecting frame 604, and the workpiece stage 502 can contact the two sets of proximity sensors 606. At the same time that the workpiece stage 502 contacts the proximity sensors 606, the positioning push rod 203 is vertically aligned with the positioning through hole 503, and the upper positioning mold 3 and the lower positioning mold 504 are vertically aligned.

[0039] The driven piston 7 is located inside the transmission frame 6. The extension and retraction end of the driven piston 7 is fixedly provided with a control rack 701, and the driven piston 7 meshes with the driven gear 602.

[0040] The trigger piston 8 is fitted with a reset spring; the trigger piston 8 is vertically aligned with the positioning push rod 203.

[0041] The driven piston 7 and the trigger piston 8 are filled with hydraulic oil, and the driven piston 7 extends when the trigger piston 8 contracts.

[0042] like Figures 1-8 As shown, it is placed directly on top of the lower positioning mold 504 and fixed by the positioning groove of the lower positioning mold 504;

[0043] When the bending program is started, the electric cylinder 501 first pushes the workpiece table 502 to move backward, and stops moving when the workpiece table 502 contacts the proximity sensor 606.

[0044] The main push cylinder 102 is started to drive the landing seat 2 to descend, the landing seat 2 drives the upper positioning die 3 to descend, and the upper positioning die 3 is used to contact the workpiece above to be fixed;

[0045] After the positioning push rod 203 is inserted into the positioning hole 503, the positioning push rod 203 continues to move downwards, at this time, the positioning push rod 203 passes through the rod hole 403 to contact the telescopic end of the trigger piston 8, the trigger piston 8 is extruded, the hydraulic oil in the trigger piston 8 is extruded to enter the driven piston 7 and support the driven piston 7, the control rack 701 is pushed upwards, the driven gear 602 is rotated by 90 degrees by the control rack 701, the intermediate shaft 601, the turnover block 603, the connecting frame 604 and the bending plate 605 are synchronously rotated, the bending plate 605 is in swing movement, contacts the conductor and bends the conductor.

[0046] In example 1, the positioning push rod 203 can be inserted into the positioning hole 503, the positioning is assisted, the upper positioning die 3 and the lower positioning die 504 are vertically aligned, and mechanical verification is realized.

[0047] If the upper positioning die 3 and the lower positioning die 504 are in error, the positioning push rod 203 cannot continue to descend, the program detects that the pressure of the main push cylinder 102 is abnormal, the program stops and sends a warning.

[0048] The specific use and effect of the embodiment are as follows: in the embodiment, when in use, the workpiece is placed according to the Figure 1 The workpiece is directly placed on the top of the lower positioning die 504 and is fixed through the positioning groove of the lower positioning die 504.

[0049] The bending program is started, the workpiece table 502 is first pushed back by the push cylinder 501, and the movement of the workpiece table 502 is stopped when the workpiece table 502 contacts the proximity sensor 606.

[0050] The main push cylinder 102 is started to drive the landing seat 2 to descend, the landing seat 2 drives the upper positioning die 3 to descend, and the upper positioning die 3 is used to contact the workpiece above to be fixed;

[0051] In this process, the positioning push rod 203 is inserted into the positioning hole 503, the positioning is assisted, the upper positioning die 3 and the lower positioning die 504 are vertically aligned, and mechanical verification is realized, if the upper positioning die 3 and the lower positioning die 504 are misaligned, the work cannot continue, the program stops and sends a warning.

[0052] After the positioning push rod 203 is inserted into the positioning hole 503, the positioning push rod 203 will continue to move downward, at this time, the positioning push rod 203 passes through the rod hole 403 to contact the telescopic end of the trigger piston 8, the trigger piston 8 is extruded, the hydraulic oil in the trigger piston 8 is extruded to enter the driven piston 7 and support the driven piston 7, the control rack 701 is pushed upward, the driven gear 602 is rotated by 90 degrees by the control rack 701, the intermediate shaft 601, the turnover block 603, the connecting frame 604 and the bending plate 605 are synchronously rotated, the bending plate 605 contacts the conductor and bends the conductor;

[0053] After the bending is completed, the main push cylinder 102 is reset first, and then the push cylinder 501 is reset, so that the device can be reset, the trigger piston 8 is automatically expanded by the spring, the hydraulic pressure in the driven piston 7 is extracted, the driven piston 7 is automatically reset, and then the bending plate 605 is also automatically reset.

Claims

1. A bending device for bending a double-ended electrical connector, characterized in that it comprises: a main base (1), a U-shaped frame (101) is fixedly arranged on the top rear side of the main base (1), a main push cylinder (102) is fixedly arranged on the top of the U-shaped frame (101), a T-shaped push block (103) is fixedly arranged on the telescopic end of the main push cylinder (102), a landing seat (2) is fixedly arranged on the top of the landing seat (2), a combination block (201) is fixedly arranged on the outside of the T-shaped push block (103), two sets of positioning push rods (203) are fixedly arranged on the bottom of the landing seat (2), an upper positioning mold (3) is arranged below the landing seat (2), a recess capable of accommodating the upper positioning mold (3) is formed in the bottom of the landing seat (2), a workbench (4) is fixedly arranged on the top middle of the main base (1), an extension bench board (5) is fixedly arranged on the front top of the workbench (4), a push cylinder (501) is fixedly arranged on the top of the extension bench board (5), the telescopic end of the push cylinder (501) faces backward, a workpiece table (502) is fixedly arranged on the telescopic end of the push cylinder (501), a lower positioning mold (504) is fixedly arranged on the top of the workpiece table (502), two sets of transmission frames (6) are fixedly arranged on the top rear side of the main base (1), extension bases (401) are fixedly arranged on both ends of the rear lower side of the workbench (4), a driven piston (7) and a trigger piston (8) are fixedly arranged on the top of each extension base (401), the bottoms of the driven piston (7) and the trigger piston (8) on the same side are communicated through oil pipes, two sets of slide rods (202) are fixedly arranged on the top of the landing seat (2), the slide rods (202) are slidingly connected with the U-shaped frame (101), two sets of guide frames (204) are integrally arranged on the rear side of the landing seat (2), two sets of spring rods (301) are extendedly installed on the rear upper side of the upper positioning mold (3), the spring rods (301) are sleeved with springs and then pass through the guide frames (204) to be provided with limiting flaps, springs are arranged between the top of the upper positioning mold (3) and the landing seat (2), maintaining bench boards (402) are fixedly arranged on the edge positions of the upper rear end and both sides of the workbench (4), two sets of rod penetrating holes (403) are formed in the top of each maintaining bench board (402), the rod penetrating holes (403) are vertically aligned with the positioning push rods (203), two sets of dovetail slide strips (404) are fixedly arranged on the top of the workbench (4), the workpiece table (502) is slidingly arranged outside the two sets of dovetail slide strips (404), two sets of positioning perforations (503) are formed in both sides of the workpiece table (502), the positioning push rods (203) can pass through the positioning perforations (503), intermediate shafts (601) are rotatably arranged in the middle of the transmission frames (6) through bearings, driven gears (602) are fixedly arranged outside the intermediate shafts (601), flip blocks (603) are fixedly arranged on the adjacent ends of the intermediate shafts (601) on both sides, a connecting frame (604) is fixedly arranged between the two sets of flip blocks (603), a bending plate (605) is fixedly arranged on the top of the connecting frame (604), ​ The bending program is started, first push the electric cylinder (501) to push the workbench (502) to move backward, stop moving when the workbench (502) contacts the proximity sensor (606), start the main push cylinder (102) to drive the landing seat (2) to descend, the landing seat (2) drives the upper positioning die (3) to descend, and the upper positioning die (3) is fixed above the workpiece to contact and fix it. During this process, the positioning push rod (203) is inserted into the positioning hole (503) to assist positioning, ensuring that the upper positioning die 3 and the lower positioning die (504) are vertically aligned, realizing mechanical verification. If the upper positioning die (3) and the lower positioning die (504) are misaligned, the work cannot continue, the program stops and an alarm is issued. After the positioning push rod (203) is inserted into the positioning hole (503), the positioning push rod (203) will continue to move downward. At this time, the positioning push rod (203) passes through the rod hole (403) to contact the extension end of the trigger piston (8), extruding the trigger piston (8), the hydraulic oil in the trigger piston (8) is extruded into the driven piston (7) and expands the driven piston (7), pushing the control rack (701) upward, using the control rack (701) to drive the driven gear (602) to rotate 90 degrees, the intermediate shaft (601), the turnover block (603), the connecting frame (604) and the bending plate (605) rotate synchronously, the bending plate (605) contacts the conductor and bends the conductor. After bending, reset the main push cylinder (102) first, then reset the push cylinder (501) to reset the device. The trigger piston (8) automatically extends through the spring, extracts the hydraulic oil in the driven piston (7), and automatically resets the driven piston (7), and then the bending plate (605) is also automatically reset.

2. The bending device for bending double-ended electrical terminals according to claim 1, characterized in that, the bottom of the connecting frame (604) is fixedly provided with two groups of proximity sensors (606), and the workbench (502) can contact the two groups of proximity sensors (606); the positioning push rod (203) is vertically aligned with the positioning hole (503) at the same time that the workbench (502) contacts the proximity sensor (606), and the upper positioning die (3) and the lower positioning die (504) are vertically aligned.

3. The bending device for bending double-ended electrical terminals according to claim 2, characterized in that, the driven piston (7) is located in the transmission frame (6), and the extension end of the driven piston (7) is fixedly provided with a control rack (701), and the driven piston (7) is engaged with the driven gear (602).

4. The bending device for bending double-ended electrical terminals according to claim 3, characterized in that, the outside of the trigger piston (8) is sleeved with a spring for resetting; the trigger piston (8) is vertically aligned with the positioning push rod (203).

5. The bending device for bending double-ended electrical terminals according to claim 4, characterized in that, the inside of the driven piston (7) and the trigger piston (8) is filled with hydraulic oil, and the driven piston (7) extends when the trigger piston (8) contracts.

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