CN108043950B - Production transfer line for automobile rear cover - Google Patents

Abstract

The invention discloses a production transmission line for the back cover of an automobile, which comprises a first punch press and a second punch press, the second punch press is arranged at the bed end of the first punch press; There are four stations, which are forming die A, forming die B, forming die C and forming die D in turn. The second punching machine is also provided with four stations from front to back, which are shaping punches, edge trimming and punching successively. Die, flanging die and press hole burr die, all are provided with the manipulator between the adjacent stations on the first punching machine and the second punching machine, and the manipulator can move the workpiece holder of the previous station to the next work station position, and the clamping stroke of all manipulators is the distance of one station. The invention provides a production transfer line for the back cover of the car, which uses the method of multi-station sequential transfer to complete the raw factory processing of the back cover of the car, with high production efficiency, and the molds of each station independently complete the corresponding stamping process , do not affect each other, guarantee the processing quality and precision, and facilitate promotion.

Description

A production transfer line for car back cover

technical field

The invention belongs to the technical field of automobile parts processing, and in particular relates to a production transfer line for automobile back covers.

Background technique

As the automobile industry progresses, the production of auto parts becomes more and more important. Many problems are often encountered in the production and processing of auto parts, which reduces the processing efficiency of the parts and the precision of the processed parts is also very low. How to improve the processing efficiency of auto parts on the premise of ensuring the processing quality and processing accuracy has been perplexing many auto parts manufacturers and has become an urgent problem to be solved. In this context, the present invention provides a processing and production transfer line for the car back cover as shown in accompanying drawing 14, for improving the production efficiency of the car back cover and improving the quality and precision of the processed car back cover.

Contents of the invention

Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a production transfer line for the back cover of the car, which uses the method of multi-station sequential transfer to complete the raw factory processing of the back cover of the car, with high production efficiency and The molds of each station independently complete their corresponding stamping processes without affecting each other, ensuring the processing quality and precision, and facilitating promotion.

Technical solution: In order to achieve the above object, a production transfer line for automobile back cover of the present invention comprises a first punch press and a second punch press, the second punch press is arranged at the bed end of the first punch press; the first punch press There are four stations on the top from front to back, which are forming die A, forming die B, forming die C and forming die D in turn. The second punch is also provided with four stations from front to back, which are shaping and punching in turn. Punch die, trimming punching die, flanging die and embossing burr die;

Manipulators are arranged between the adjacent stations on the first punch press and the second punch press, and the manipulators can clamp the workpiece of the previous station to the next station, and the clamping strokes of all the manipulators are The distance of a station.

Further, the molding die A includes an upper mold structure and a lower mold structure, and the upper mold structure can move back and forth in the vertical direction relative to the lower mold structure along the guide block; the upper mold structure includes relatively fixed from top to bottom The first upper template, the first upper backing plate and the first concave mold, the shape of the first concave mold is stepped; the lower mold structure includes a relatively fixed first lower template and a first lower pad from bottom to top plate, the first lower fixing plate and the first punch, the shape of the first punch is stepped corresponding to the first die;

The upper part of the first lower backing plate is provided with a pressing plate for pressing materials, and a push rod is arranged below the pressing plate, and the lower end of the pushing rod is connected with a first nitrogen spring, and the upper part of the pressing plate is A limiting block is set; a first jacking block is set in the first die, and the first jacking block is equipped with a first rectangular spring for rebounding; the first upper template is provided with an upper mold structure Limiting column that acts as a limiter.

Further, the forming die B, forming die C and forming die D are all of the same structure as the forming die A.

Further, the shaping punch includes a second upper template and a second lower template, the lower surface of the second upper template is sequentially fixed with a second upper backing plate and a second die, and the upper surface of the second lower template The surface is sequentially fixed with a second lower backing plate and a lower die, the lower die is provided with a second punch corresponding to the second die, and the second die is provided with a second ejector block for ejecting the workpiece; The second top block is equipped with a second rectangular spring for rebounding, and the bottom of the lower die is equipped with a third rectangular spring for rebounding;

The embossing punch A is arranged on the second upper template, and the embossing punch B is arranged on the second lower template, and the embossing punch A and the embossing punch B are concentrically arranged opposite to each other.

Further, the trimming punching die includes a third upper template and a third lower template, the lower surface of the third upper template is fixed with a third upper backing plate, an upper fixing plate and a ejector punch in sequence, and the first The bottom of the third upper backing plate is provided with an ejector block, which is connected to the ejector rod of the second nitrogen gas spring, and the second nitrogen gas spring is fixed by the nitrogen cylinder fixing plate;

The upper surface of the third lower template is sequentially fixed with a third lower backing plate, a fourth lower backing plate and a first punching die, and the first punching die is provided with a first positioning block; the first punching die is provided with a first positioning block; Waste cutters are arranged on the four lower backing plates, an upper cutter is arranged above the first punching die, and a lower cutter is arranged below the first punching die with a distance from the upper cutter.

Further, the flanging mold includes a fourth upper template and a fourth lower template, and the fourth upper template is sequentially fixed with a fourth upper backing plate and a flanging punch from top to bottom, and the flanging punch A first upper jacking block is arranged inside, and a fourth rectangular spring for automatic reset is arranged above the first upper jacking block;

A fourth lower backing plate and a flanging die are sequentially fixed on the fourth lower formwork from bottom to top, and a lower jacking block is arranged in the flanging die, and the lower jacking block can be arranged below it The third nitrogen spring pushes the workpiece out, and the second positioning block is set on the flanging die.

Further, the press hole burr mold includes a fifth upper template and a fifth lower template, the lower surface of the fifth upper template is fixed with a fifth upper backing plate and a third concave mold in sequence from top to bottom, and the fifth upper template and the third die are sequentially fixed on the lower surface of the fifth upper template. The third upper die is provided with a second upper jacking block, and a fifth rectangular spring for automatic reset is arranged above the second upper jacking block;

The upper surface of the fifth lower template is sequentially fixed with the fifth lower backing plate, the second lower fixing plate, the lower ejector plate and the second punch, and the upper surface of the lower ejector plate is provided with multiple A punch, the second punching die of the same number is arranged around the third die and the punch; the lower surface of the lower ejector plate is connected with a sixth rectangular spring; the lower ejector plate is connected with a sixth rectangular spring; Also be provided with the contour block that limits the downward movement stroke of the fifth upper formwork.

Beneficial effects: the production transfer line for the car back cover of the present invention uses a manipulator to complete the transfer of workpieces between adjacent stations of the first punch press, and completes the transfer of workpieces between adjacent stations of the second punch press. The transfer of the workpiece between the punching machine and the second punching machine is convenient for processing and improves the work efficiency. The molds of each station independently complete their corresponding stamping processes without affecting each other, ensuring the processing quality and precision, and facilitating promotion.

Description of drawings

Accompanying drawing 1 is the schematic diagram of punch press structure;

Accompanying drawing 2 is the structural representation of the first punch press;

Accompanying drawing 3 is the structural representation of the second punch press;

Accompanying drawing 4 is the top view of the lower platform of the first punch press;

Accompanying drawing 5 is the top view of the lower platform of the second punch press;

Accompanying drawing 6 is the structural representation of molding die A;

Accompanying drawing 7 is the top view of the lower mold structure of molding die A;

Accompanying drawing 8 is the top view of the upper die structure of molding die A;

Accompanying drawing 9 is the structural representation of shaping punch;

Accompanying drawing 10 is the plan view of the second upper formwork of shaping punch;

Accompanying drawing 11 is the structural representation of trimming punching die;

Accompanying drawing 12 is the structural representation of flanging mold;

Accompanying drawing 13 is the structural representation of pressing hole burr mold;

Accompanying drawing 14 is the structural representation of automobile back cover.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in accompanying drawing 1 to accompanying drawing 13, a kind of production transmission line that is used for automobile back cover comprises first punching press 1 and second punching press 2, and described second punching press 2 is arranged at the bed end of first punching press 1; The first punch press 1 is provided with four stations from front to back, followed by molding die A8, molding die B9, molding die C10 and molding die D11, and the second punch press 2 is also provided with four stations from front to back. Position, followed by shaping punch 12, trimming and punching die 13, flanging die 14 and pressing hole burr die 15, forming die A8, forming die B9, forming die C10 and forming die D11 to gradually shape the workpiece respectively, Shaping and punching punch 12 can further shape and bulge the formed workpiece, edge trimming punching die 13 can punch the workpiece after shaping and bulging, and cut off excess edge material, and flanging die 14 realizes turning over the edge of the workpiece. On the other hand, the hole-pressing burr die 15 can remove the burr in the hole of the workpiece, and the dies of each station independently complete the corresponding stamping process without affecting each other, ensuring the processing quality and precision.

Between the adjacent stations on the first punch press 1 and the second punch press 2, a manipulator 7 is arranged, and the manipulator 7 can move the workpiece clamp of the previous station to the next station, and all manipulators 7 The clamping stroke is the distance of one station. The manipulator is used to complete the transfer of the workpiece between the adjacent stations of the first punch 1 and the transfer of the workpiece between the adjacent stations of the second punch 2. The first punch 1 and the second The transfer of workpieces between punches 2 is convenient for processing and improves work efficiency, and the manipulator 7 on the first punch 1 is arranged between its first upper table 3 and the first lower table 2, and the manipulator 7 on the second punch 2 Arranged between the second upper table surface 6 and the second lower table surface 5, each manipulator 7 is kept in the same horizontal plane to ensure the stability of workpiece transfer.

Described molding die A8 comprises upper mold structure and lower mold structure, and described upper mold structure can move back and forth in vertical direction relative to lower mold structure along guide block 8-1; Described upper mold structure comprises relatively fixed from top to bottom. The first upper template 8-2, the first upper backing plate 8-3 and the first die 8-4, the shape of the first die 8-4 is stepped; the lower die structure includes from bottom to top Relatively fixed first lower template 8-5, the first lower backing plate 8-6, the first lower fixed plate 8-7 and the first punch 8-8, the shape of the first punch 8-8 is the same as The stepped shape corresponding to the first die 8-4, the stepped shape corresponds to the shape of the car back cover.

The upper part of the first lower backing plate 8-6 is provided with a pressing plate 8-9 for pressing materials, and the lower part of the pressing plate 8-9 is provided with a push rod 8-10, and the push rod 8-10 The lower end is connected with a first nitrogen spring 8-11, and a limiting block 8-12 is arranged above the pressure plate 8-9; a first top block 8-13 is arranged inside the first die 8-4, so The first top block 8-13 is equipped with a first rectangular spring 8-14 that acts as a springback; the first upper mold plate 8-2 is provided with a limiting column 8-15 that acts as a limiter for the upper mold structure , the molding die A8 completes the preliminary molding of the preliminary molding workpiece.

Described forming die B9, forming die C10 and forming die D11 are all identical in structure with forming die A8, forming die B9 completes the second molding of the workpiece, forming die C10 completes the third molding of the workpiece, and forming die D11 completes the forming of the workpiece. final shape.

The shaping punch 12 includes a second upper template 121 and a second lower template 122, and the lower surface of the second upper template 121 is sequentially fixed with a second upper backing plate 123 and a second die 124. The upper surface of the template 122 is fixed with a second lower backing plate 125 and a lower mold 126 in sequence, and a second punch 127 corresponding to the second die 124 is arranged in the lower die 126, and a second punch 127 corresponding to the second die 124 is arranged in the second die 124. The second jacking block 127 that the workpiece is ejected; the second jacking block 127 is equipped with a second rectangular spring 129 that plays a rebound effect, and the lower die 126 is equipped with a third rectangular spring 130 that plays a rebound effect, Both the upper and lower molds of the embossing part adopt the form of circular inserts, which is convenient for the height adjustment of the embossing part, and the second top block 127 is demoulded to prevent the workpiece from staying in the cavity.

The second upper template 121 is provided with a convex punch A128, and the second lower template 122 is provided with a convex punch B129, and the convex punch A128 is concentrically arranged opposite to the convex punch B129. Convex punch A128 and embossing punch B129 carry out embossing to workpiece synchronously.

The trimming and punching die 13 includes a third upper template 131 and a third lower template 132, the lower surface of the third upper template 131 is fixed with a third upper backing plate 133, an upper fixing plate 134 and a ejector punch in sequence, An ejection block 135 is arranged below the third upper backing plate 133, and the ejection block 135 is connected with the ejector rod 137 of the second nitrogen gas spring 136, and the second nitrogen gas spring 136 is fixed by the nitrogen cylinder fixing plate 137; The upper surface of the third lower template 132 is sequentially fixed with a third lower backing plate 138, a fourth lower backing plate 139 and a first punching die 1310, and the first punching die 1310 is provided with a first positioning Block 1311; the fourth lower backing plate 139 is provided with a scrap cutter 1312, the top of the first punching die 1310 is provided with an upper cutter 1313, and the first punching concave with a distance from the upper cutter 1313 The bottom of the mold 1310 is provided with a lower cutting knife 1314, the workpiece is positioned through the profile, and the waste material cutting knife 1312 cuts off the whole circle of trimming waste to make things convenient for the waste to slide down.

The flanging mold 14 includes a fourth upper template 141 and a fourth lower template 142, and the fourth upper template 141 is sequentially fixed with a fourth upper backing plate 143 and a flanging punch 144 from top to bottom. A first upper jacking block 145 is arranged inside the side punch 144, and a fourth rectangular spring 146 that automatically resets is arranged above the first upper jacking block 145; Four backing plates 147 and the flanging die 148, the lower jacking block 149 is arranged in the flanging die 148, and the lower jacking block 149 can eject the workpiece by the third nitrogen spring arranged below it, and The flanging die 148 is provided with a second positioning block 150, the workpiece is positioned through the profile, and the second positioning block 150 and the lower jacking block 149 are fixed together to complete the workpiece positioning and ejection action together to facilitate processing.

The punching burr die 15 includes a fifth upper template 151 and a fifth lower template 152, the lower surface of the fifth upper template 151 is fixed with a fifth upper backing plate 153 and a third concave die 154 in sequence from top to bottom, The third die 154 is provided with a second upper block 155, and above the second upper block 155 is provided with a fifth rectangular spring 156 that automatically resets, and the upper surface of the fifth lower template 152 is from bottom to top. The fifth lower backing plate 157, the second lower fixing plate 158, the lower ejector plate 159 and the second punch 160 are fixed in sequence, the upper surface of the lower ejector plate 159 is provided with a plurality of punches 1511, the first The second punching dies 1512 of the same number are arranged around the three dies 154 in cooperation with the punch 1511; the lower surface of the lower ejector plate 159 is connected with the sixth rectangular spring 1513; There is a contour block 1514 that limits the downward movement of the fifth upper template 151, and the workpiece is positioned through the profile. During the deburring process of pressing the hole, the punch 1511 cooperates with the second punching die 1512 to remove the burrs in the hole. glitch.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also possible. It should be regarded as the protection scope of the present invention.

Claims (4)

1. A production transfer line for lid behind car, its characterized in that: the device comprises a first punch (1) and a second punch (4), wherein the second punch (4) is arranged at the tail of the first punch (1); four stations are arranged on the first punch (1) from front to back, namely a forming die A (8), a forming die B (9), a forming die C (10) and a forming die D (11), and four stations are also arranged on the second punch (4) from front to back, namely a shaping punch (12), a trimming punch (13), a flanging die (14) and a hole-pressing burr die (15);

a manipulator (7) is arranged between adjacent stations on the first punch (1) and the second punch (4), the manipulator (7) can move a workpiece clamp of a previous station to a next station, and the clamping and moving strokes of all the manipulators (7) are the distance of one station;

the forming die A (8) comprises an upper die structure and a lower die structure, and the upper die structure can move back and forth along the guide block (8-1) relative to the lower die structure in the vertical direction; the upper die structure comprises a first upper die plate (8-2), a first upper base plate (8-3) and a first female die (8-4) which are relatively fixed from top to bottom, and the shape of the first female die (8-4) is in a ladder shape; the lower die structure comprises a first lower die plate (8-5), a first lower base plate (8-6), a first lower fixing plate (8-7) and a first male die (8-8), which are relatively fixed from bottom to top, wherein the shape of the first male die (8-8) is in a ladder shape corresponding to the shape of the first female die (8-4);

the upper part of the first lower base plate (8-6) is provided with a pressing plate (8-9) for pressing materials, a push rod (8-10) is arranged below the pressing plate (8-9), the lower end of the push rod (8-10) is connected with a first nitrogen spring (8-11), and a limiting block (8-12) is arranged above the pressing plate (8-9); a first ejector block (8-13) is arranged in the first female die (8-4), and the first ejector block (8-13) is matched with a first rectangular spring (8-14) with a rebound function; a limiting column (8-15) which is used for limiting the upper die structure is arranged on the first upper die plate (8-2);

the forming die B (9), the forming die C (10) and the forming die D (11) have the same structure as the forming die A (8);

the shaping punch (12) comprises a second upper die plate (121) and a second lower die plate (122), a second upper base plate (123) and a second female die (124) are sequentially fixed on the lower surface of the second upper die plate (121), a second lower base plate (125) and a lower die (126) are sequentially fixed on the upper surface of the second lower die plate (122), a second punch corresponding to the second female die (124) is arranged in the lower die (126), and a second ejector block (127) for ejecting a workpiece is arranged in the second female die (124); the second ejector block (127) is matched with a second rectangular spring (129) with a rebound function, and a third rectangular spring (130) with a rebound function is matched below the lower die (126);

the second upper die plate (121) is provided with a protruding punch A (128), the second lower die plate (122) is provided with a protruding punch B, and the protruding punch A (128) and the protruding punch B are arranged concentrically and oppositely.

2. A production transfer line for automotive rear covers as claimed in claim 1, wherein: the trimming and punching die (13) comprises a third upper die plate (131) and a third lower die plate (132), a third upper base plate (133), an upper fixing plate (134) and a material ejection male die are sequentially fixed on the lower surface of the third upper die plate (131), an ejection block (135) is arranged below the third upper base plate (133), the ejection block (135) is connected with a first ejector rod (137) of a second nitrogen spring (136), and the second nitrogen spring (136) is fixed through a nitrogen cylinder fixing plate;

the upper surface of the third lower template (132) is sequentially fixed with a third lower base plate (138), a fourth lower base plate (139) and a first punching female die (1310), and a first positioning block (1311) is arranged on the first punching female die (1310); the fourth lower base plate (139) is provided with a waste cutter (1312), an upper cutter (1313) is arranged above the first punching female die (1310), and a lower cutter (1314) is arranged below the first punching female die (1310) with a space between the upper cutter (1313).

3. A production transfer line for automotive rear covers as claimed in claim 1, wherein: the flanging die (14) comprises a fourth upper die plate (141) and a fourth lower die plate (142), a fourth upper base plate (143) and a flanging male die (144) are sequentially fixed on the fourth upper die plate (141) from top to bottom, a first upper top block (145) is arranged in the flanging male die (144), and a fourth rectangular spring (146) capable of automatically resetting is arranged above the first upper top block (145);

the fourth lower die plate (142) is sequentially fixed with a sixth lower base plate (147) and a flanging die (148) from bottom to top, a lower ejector block (149) is arranged in the flanging die (148), the lower ejector block (149) ejects a workpiece through a third nitrogen spring arranged below the lower ejector block, and a second positioning block (150) is arranged on the flanging die (148).

4. A production transfer line for automotive rear covers as claimed in claim 1, wherein: the hole pressing burr die (15) comprises a fifth upper die plate (151) and a fifth lower die plate (152), a fifth upper base plate (153) and a third female die (154) are sequentially fixed on the lower surface of the fifth upper die plate (151) from top to bottom, a second upper top block (155) is arranged in the third female die (154), and a fifth rectangular spring (156) capable of automatically resetting is arranged above the second upper top block (155);

a fifth lower base plate (157), a second lower fixing plate (158), a lower ejector plate (159) and a third male die (160) are sequentially fixed on the upper surface of the fifth lower die plate (152) from bottom to top, a plurality of punches (1511) are arranged on the upper surface of the lower ejector plate (159), and a plurality of second punching female dies (1512) with the same number are arranged around the third female die (154) in a matched manner with the punches (1511); a sixth rectangular spring (1513) is connected to the lower surface of the lower ejector plate (159); the lower ejection plate (159) is also provided with a contour block (1514) which limits the downward movement travel of the fifth upper template (151).

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