Crankshaft workpiece machining production line

Abstract

The utility model provides a crankshaft workpiece machining production line, and belongs to the field of crankshaft machining. Comprising a cross rod, a plurality of supporting frames are fixed to the lower end of the cross rod, three adjusting assemblies are arranged at the front end of the cross rod in a sliding mode, each adjusting assembly is provided with a lifting rod in a sliding mode, a first clamping piece, a second clamping piece and a third clamping piece are fixed to the bottom of each lifting rod, and two first clamping air cylinders are rotationally installed at the bottom of each first clamping piece; a first triangular block is rotatably mounted at the bottom of the second clamping piece, second clamping air cylinders are fixed to the two right-angle sides of the first triangular block, two third clamping air cylinders are slidably arranged at the bottom of the third clamping piece, mounting frames are fixed to one ends of the three supporting frames, and first rotating air cylinders are fixed to the tops of the two mounting frames. A first containing base is fixed to an output shaft of the first rotating air cylinder, a translation air cylinder is fixed to the top of the other mounting frame, and a second containing base is fixed to the telescopic end of the translation air cylinder. The device is high in automation degree, labor cost is saved, and machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of crankshaft processing, and relates to a crankshaft workpiece processing production line. BACKGROUND

[0002] The crankshaft is the most important component in the automobile engine. It bears the force transmitted by the connecting rod and converts it into torque to drive other accessories on the engine. The crankshaft workpiece needs to be milled, drilled, polished and other related operations. Such processes generally process one process per device. To ensure the orderly progress of each process, multiple professional technicians are needed to realize the clamping positioning, feeding and discharging of the workpiece and the operation of the equipment, which is very low in automation, resulting in high personnel cost and low production efficiency. UTILITY MODEL CONTENT

[0003] The utility model aims at the shortage of prior art, and provides a crankshaft workpiece processing production line, which is used to solve the technical problems of the prior art, such as the need for multiple technicians to feed and discharge the crankshaft workpiece, low automation, high labor cost and low processing efficiency.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A crankshaft workpiece processing production line, comprising a cross bar, a plurality of support frames are fixed at the lower end of the cross bar, three adjusting assemblies are slidably arranged at the front end of the cross bar, each adjusting assembly is slidably provided with a lifting rod, the bottom of each lifting rod is respectively fixed with a clamping piece one, a clamping piece two and a clamping piece three arranged from left to right, two clamping cylinders one are rotatably installed at the bottom of the clamping piece one, a triangular block one is rotatably installed at the bottom of the clamping piece two, two clamping cylinders two are fixed at both ends of the triangular block one, two clamping cylinders three are slidably arranged at the bottom of the clamping piece three, one end of each of the three support frames is fixed with a mounting frame, a rotary cylinder one is fixed at the top of each of the two mounting frames between the clamping piece one and the clamping piece two, the output shaft of the rotary cylinder one is fixed with a placing seat one for placing the crankshaft, a translating cylinder is fixed at the top of the mounting frame between the clamping piece two and the clamping piece three, and the telescopic end of the translating cylinder is fixed with a placing seat two for placing the crankshaft.

[0006] Working principle:

[0007] The plurality of crankshaft machining devices outside are placed in sequence at the lower end of the cross rod, each crankshaft machining device is located between two adjacent support frames, the clamping piece one, the clamping piece two and the clamping piece three are driven to move by driving the three adjusting assemblies to move along the cross rod, the height of the clamping piece one, the clamping piece two and the clamping piece three can be adjusted by driving the adjusting assembly to drive the lifting rod to lift, the two clamping cylinders one are driven to rotate by driving the clamping piece one, the clamping cylinder one is used for clamping the crankshafts at different angles, when the crankshaft on the clamping piece one is placed on the placing seat one, the placing seat is driven to rotate by the rotary cylinder, the placing seat drives the crankshaft to rotate, and the clamping work of the rear clamping piece two is facilitated, the triangular block one is driven to rotate by the clamping piece two, the clamping cylinder two is driven to rotate by the triangular block one, the clamping cylinder two is used for clamping the crankshaft, when the crankshaft on the clamping piece two is placed on the placing seat two, the placing seat two is driven to move back and forth by the translation cylinder, and the clamping work of the rear clamping piece three is facilitated, and the clamping cylinder three is used for clamping the crankshaft on the placing seat two.

[0008] The utility model discloses the beneficial effects are:

[0009] The utility model discloses a plurality of crankshaft machining devices outside are placed in sequence at the lower end of the cross rod, each crankshaft machining device is located between two adjacent support frames, the clamping piece one, the clamping piece two and the clamping piece three are driven to move by driving the three adjusting assemblies to move along the cross rod, the height of the clamping piece one, the clamping piece two and the clamping piece three can be adjusted by driving the adjusting assembly to drive the lifting rod to lift, the two clamping cylinders one are driven to rotate by driving the clamping piece one, the clamping cylinder one is used for clamping the crankshafts at different angles, when the crankshaft on the clamping piece one is placed on the placing seat one, the placing seat is driven to rotate by the rotary cylinder, the placing seat drives the crankshaft to rotate, and the clamping work of the rear clamping piece two is facilitated, the triangular block one is driven to rotate by the clamping piece two, the clamping cylinder two is driven to rotate by the triangular block one, the clamping cylinder two is used for clamping the crankshaft, when the crankshaft on the clamping piece two is placed on the placing seat two, the placing seat two is driven to move back and forth by the translation cylinder, and the clamping work of the rear clamping piece three is facilitated, and the clamping cylinder three is used for clamping the crankshaft on the placing seat two. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structure schematic diagram of the utility model embodiment;

[0011] Figure 2 It is the structure schematic diagram of the utility model embodiment's clamping piece one;

[0012] Figure 3 It is the structure schematic diagram of the utility model embodiment's clamping piece two;

[0013] Figure 4 It is the structure schematic diagram of the utility model embodiment's clamping piece three;

[0014] Figure 5 It is the assembly schematic diagram of the utility model embodiment's rotary cylinder one and placing seat one;

[0015] Figure 6 It is the assembly schematic diagram of the utility model embodiment's translation cylinder and placing seat two;

[0016] Figure 7 It is the side view of the utility model embodiment's adjusting assembly;

[0017] Figure 8 is a top view sectional view of the adjusting assembly of the embodiment of the utility model.

[0018] Mark explanation: 1, cross rod, 2, support frame, 3, lifting rod, 4, clamping cylinder one, 5, triangular block one, 6, clamping cylinder two, 7, clamping cylinder three, 8, mounting bracket, 9, rotary cylinder one, 10, placing seat one, 11, translation cylinder, 12, placing seat two, 13, rotary cylinder two, 14, connecting plate, 15, rotary cylinder three, 16, triangular block two, 17, adjusting cylinder, 18, mounting plate, 19, adjusting block, 20, first frame body, 21, second frame body, 22, motor one, 23, slide rail, 24, sliding block, 25, rack one, 26, gear one, 27, slide strip, 28, guide block, 29, rack two, 30, motor two, 31, gear two, 32, connecting rod, 33, guardrail. DETAILED DESCRIPTION

[0019] The following is the specific embodiment of the utility model and is further described the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0020] As Figure 1 , 5,6 shows a crankshaft workpiece machining production line, comprising a crossbar 1, the lower end of the crossbar 1 is fixed with a plurality of support frames 2, preferably, in this embodiment, the number of support frames 2 is 6, the front end of the crossbar 1 is slidably provided with three adjusting assemblies, each adjusting assembly is slidably provided with a lifting rod 3, the bottom of each lifting rod 3 is respectively fixed with a clamping piece one, a clamping piece two and a clamping piece three arranged from left to right, the bottom of the clamping piece one is rotatably provided with two clamping cylinders one 4, the working principle of the clamping cylinder mainly depends on the driving of compressed air, when compressed air is applied on the piston, the cylinder clamping jaw will close, and when the pressure is released, the clamping jaw will open, the bottom of the clamping piece two is rotatably provided with a triangular block one 5, both ends of the triangular block one 5 are fixed with clamping cylinders two 6, the cross section of the triangular block one 5 is isosceles triangle, two clamping cylinders two 6 are respectively fixed on two straight sides of the triangular block one 5, the bottom of the clamping piece three is slidably provided with two clamping cylinders three 7, one end of three support frames 2 is fixed with a mounting frame 8, the top of two mounting frames 8 between the clamping piece one and the clamping piece two is fixed with a rotary cylinder one 9, the rotary cylinder is a pneumatic actuator which uses compressed air as power to drive the output shaft to reciprocating rotary motion within a certain angle range, the output shaft of the rotary cylinder one 9 is fixed with a placing seat one 10 for placing the crankshaft, driving the rotary cylinder one 9 to rotate the placing seat one 10, the top of the mounting frame 8 between the clamping piece two and the clamping piece three is fixed with a translation cylinder 11, the telescopic end of the translation cylinder 11 is fixed with a placing seat two 12 for placing the crankshaft, driving the translation cylinder 11 to move the placing seat two 12, the lower end of the crossbar 1 is fixed with a guardrail 33 in front of the first frame 20 through a plurality of connecting rods 32.

[0021] As Figures 1-4As shown, the clamping part one includes a rotary cylinder two 13 fixed at the lower end of the corresponding lifting rod 3 and a connecting plate 14 connected with the output shaft of the rotary cylinder two 13, and two clamping cylinders one 4 are fixed at the lower end of the connecting plate 14, the rotary cylinder two 13 drives the connecting plate 14 to rotate, the connecting plate 14 drives the two clamping cylinders one 4 to rotate synchronously, the clamping part two includes a rotary cylinder three 15 fixed at the other end of a triangular block two 16 fixed at the lower end of the corresponding lifting rod 3 and a triangular block one 5 connected with the output shaft of the rotary cylinder three 15, the cross section of the triangular block two 16 is isosceles triangle, one end of the rotary cylinder three 15 is fixed with the inclined surface of the triangular block two 16, and the output shaft of the rotary cylinder three 15 is connected with the inclined surface of the triangular block one 5, the rotary cylinder three 15 drives the triangular block one 5 to rotate, so that the two right angle edges of the triangular block one 5 realize mutual transposition, the clamping part three includes two adjusting cylinders 17 fixed at the lower end of a mounting plate 18 fixed with the lower end of one of the lifting rods 3 and two adjusting blocks 19 fixed at the telescopic ends of the two adjusting cylinders 17, and two clamping cylinders three 7 are fixed at the lower end of the two adjusting blocks 19 respectively, the adjusting cylinder 17 drives the adjusting block 19 to move, and the adjusting block 19 drives the clamping cylinder three 7 to move synchronously.

[0022] As shown in Figure 1 , 7 , 8, the adjusting assembly includes a first frame 20, a second frame 21 and a motor one 22, the second frame 21 is fixed at one end of the first frame 20, two slide rails 23 are fixed at one end of the cross rod 1, slide blocks 24 are slidably installed on the slide rails 23, the two slide blocks 24 are fixed at one end of the first frame 20 and located below the second frame 21, the motor one 22 is fixed in the first frame 20, the cross rod 1 is fixed with a rack one 25 between the two slide rails 23, one end of the output shaft of the motor one 22 extends out of the first frame 20 and is fixed with a gear one 26 engaged with the rack one 25, the motor one 22 drives the gear one 26 to rotate, the gear one 26 moves along the rack one 25 and drives the first frame 20 to move along the slide rails 23, a slide strip 27 is fixed at one end of the lifting rod 3, the first frame 20 is provided with a guide block 28, the guide block 28 is provided with a slide hole for embedding the slide block 24, the guide block 28 moves along the slide hole, the lifting rod 3 is fixed with a rack two 29 located at one side of the slide strip 27, a motor two 30 is fixed in the second frame 21, an output shaft of the motor two 30 extends into the first frame 20 and is fixed with a gear two 31 engaged with the rack two 29, the motor two 30 drives the gear two 31 to rotate, the gear two 31 drives the lifting rod 3 to move up and down through the rack two 29.

[0023] The specific operation mode of the utility model is as follows:

[0024] When the clamping piece one works: drive motor one 22 drives gear one 26 to rotate, gear one 26 moves along with rack one 25 and drives first frame body 20 to move along with slide rail 23 to the appropriate position, first frame body 20 drives second frame body 21 to move synchronously, drive motor two 30 drives gear two 31 to rotate, gear two 31 drives lifting rod 3 to move to the appropriate position through rack two 29, drive rotary cylinder two 13 drives two clamping cylinders one 4 to rotate to the required angle through connecting plate 14, drive clamping cylinder one 4 to clamp the crankshaft, and the above operation can be repeated to realize the feeding and discharging of the crankshaft.

[0025] When the clamping piece two works: drive rotary cylinder one 9 drives placing seat one 10 to rotate to the required position, and placing seat one 10 drives the crankshaft placed thereon to rotate synchronously, so that the crankshaft rotates to the position convenient for clamping of clamping cylinder two 6, drive the adjusting assembly corresponding to the clamping piece two to adjust the position of clamping cylinder two 6, drive rotary cylinder three 15 to drive triangular block one 5 to rotate, triangular block one 5 drives clamping cylinder two 6 to rotate to the required position, drive clamping cylinder two 6 to clamp the crankshaft on placing seat one 10, and the above operation can be repeated to realize the feeding and discharging of the crankshaft.

[0026] When the clamping piece three works, drive translation cylinder 11 to drive placing seat two 12 to move to the required position, and placing seat two 12 drives the crankshaft placed thereon to move synchronously, so that the crankshaft moves to the position convenient for clamping of clamping cylinder three 7, drive the adjusting assembly corresponding to the clamping piece three to adjust the position of clamping cylinder three 7, drive adjusting cylinder 17 to drive adjusting block 19 to move, adjusting block 19 drives clamping cylinder three 7 to move to the required position, drive clamping cylinder three 7 to clamp the crankshaft on the placing seat, and the above operation can be repeated to realize the feeding and discharging of the crankshaft.

[0027] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit, although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and they should be covered in the claim scope of the utility model.

Claims

1. A machining production line for crankshaft workpieces, comprising a crossbar (1) to the lower end of which a plurality of support frames (2) are fixed, characterized in that, The front end of the crossbar (1) is slidably provided with three adjusting assemblies, each of which is slidably provided with a lifting rod (3), and the bottom of each lifting rod (3) is respectively fixed with a clamping piece one, a clamping piece two and a clamping piece three arranged from left to right, the bottom of the clamping piece one is rotatably provided with two clamping cylinders one (4), the bottom of the clamping piece two is rotatably provided with a triangular block one (5), both ends of the triangular block one (5) are fixed with clamping cylinders two (6), and the bottom of the clamping piece three is slidably provided with two clamping cylinders three (7), one end of each of the three support frames (2) is fixed with a mounting bracket (8), the top of each of the two mounting brackets (8) between the clamping piece one and the clamping piece two is fixed with a rotary cylinder one (9), the output shaft of the rotary cylinder one (9) is fixed with a placing seat one (10) for placing a crankshaft, and the top of the mounting bracket (8) between the clamping piece two and the clamping piece three is fixed with a translation cylinder (11), and the telescopic end of the translation cylinder (11) is fixed with a placing seat two (12) for placing a crankshaft.

2. A crankshaft workpiece machining line according to claim 1, characterized in that, The clamping piece one comprises a rotary cylinder two (13) and a connecting plate (14), the rotary cylinder two (13) is fixed at the lower end of the corresponding lifting rod (3), and the connecting plate (14) is connected with the output shaft of the rotary cylinder two (13), and the lower end of the connecting plate (14) is fixed with the two clamping cylinders one (4).

3. A crankshaft workpiece machining line as claimed in claim 1, characterized in that, The clamping piece two comprises a rotary cylinder three (15) and a triangular block two (16), one end of the triangular block two (16) is fixed with the lower end of the corresponding lifting rod (3), and the rotary cylinder three (15) is fixed at the other end of the triangular block two (16), and one end of the triangular block one (5) is connected with the output shaft of the rotary cylinder three (15).

4. A crankshaft workpiece machining line as claimed in claim 1, characterized in that, The clamping piece three comprises two adjusting cylinders (17) and a mounting plate (18), the mounting plate (18) is fixed with the lower end of one of the lifting rods (3), the two adjusting cylinders (17) are fixed at the lower end of the mounting plate (18), the telescopic ends of the two adjusting cylinders (17) are fixed with adjusting blocks (19), and the lower end of each of the two clamping cylinders three (7) is fixed with a corresponding adjusting block (19).

5. A crankshaft workpiece machining line as claimed in claim 1, characterized in that, The adjusting assembly comprises a first frame body (20), a second frame body (21) and a motor one (22), the second frame body (21) is fixed at one end of the first frame body (20), one end of the crossbar (1) is fixed with two slide rails (23), the slide rails (23) are slidably provided with slide blocks (24), the two slide blocks (24) are fixed at one end of the first frame body (20) and located below the second frame body (21), the motor one (22) is fixed in the first frame body (20), one end of the crossbar (1) is fixed with a rack one (25) located between the two slide rails (23), and one end of the output shaft of the motor one (22) extends to the outside of the first frame body (20) and is fixed with a gear one (26) engaged with the rack one (25).

6. A crankshaft workpiece machining line according to claim 5, wherein, One end of the lifting rod (3) is fixed with a sliding bar (27), the first frame (20) has a guide block (28) therein, the guide block (28) is provided with a sliding hole for embedding the sliding block (24), one end of the lifting rod (3) is fixed with a rack two (29) located at one side of the sliding bar (27), the second frame (21) is fixed with a motor two (30) therein, the output shaft of the motor two (30) extends to the first frame (20) and is fixed with a gear two (31) engaged with the rack two (29).

7. A crankshaft workpiece machining line according to claim 6, wherein, The lower end of the cross bar (1) is fixed with a guardrail (33) located in front of the first frame (20) through a plurality of connecting rods (32).

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