CN204747210U - Back is longitudinal wall bracket side cut -out press down - Google Patents

Abstract

A rear lower trailing arm bracket side punching die, which includes: a mold core, an upper die fixing plate, a fixing pin, a bolt, a guide sleeve, a guide column, a lower die fixing plate, upper and lower block seats, and a lower block Assemblies, unloading spring fixing plate, unloading spring, fastening nut, slider pressure plate, fastening screw, fixing plate, punch seat, punch mandrel, punch unloading rubber, upper pressing rubber, die Component fixing plate, positioning fixing block, die assembly, upper slider fixing seat, cushion block, waste box, base; the mold core is located in the middle of the upper mold fixing plate, and the upper slider fixing seat is located on both sides of the upper mold fixing plate , the top of the upper and lower slider seats passes through the upper slider fixing seat to connect with the upper mold fixing plate, the upper pressing rubber is located under the upper mold fixing plate, the die assembly fixing plate is located in the center of the lower mold fixing plate, and the die The assembly is located in the mounting hole of the die assembly fixing plate. The utility model has the advantages of simple structure, easy operation, convenient disassembly, high punching efficiency and wide applicability.

Description

A rear lower trailing arm bracket side punching die

technical field

The utility model relates to a mechanical processing cold stamping die, in particular to a side punching die for a rear lower longitudinal arm bracket.

Background technique

The rear lower trailing arm bracket is a part on the rear axle of the car. There is a mounting hole on both sides of the rear lower trailing arm bracket, which is used to install the main parts of the car frame and body. Therefore, the dimensional accuracy of the hole processing is relatively high. High, at present, the commonly used processing method is to use drilling, which is to put the workpiece on a simple fixture and drill it by manual clamping. This production method has poor consistency after processing and low processing accuracy. The concentricity of the holes on both sides cannot meet the technical requirements, which affects the assembly quality of the subsequent process, and the drilling efficiency of the machine tool is low, which is not conducive to mass production.

Contents of the invention

The purpose of this utility model is to overcome the above-mentioned deficiencies of the prior art and provide a side punching die for the rear lower trailing arm bracket. Concentricity improves product quality and high production efficiency.

The technical scheme of the utility model is: a side punching die for the rear lower longitudinal arm bracket, which includes a mold core, an upper mold fixing plate, a fixing pin, a bolt, a guide sleeve, a guide column, a lower mold fixing plate, an upper and a lower mold Slider seat, lower slider assembly, unloading spring fixing plate, unloading spring, fastening nut, slide platen, fastening screw, connecting plate, punch seat, punch mandrel mandrel, punch discharge Rubber, upper pressing rubber, die assembly fixing plate, positioning and fixing block, die assembly, upper slider fixing seat, cushion block, waste box, base; there is a mold core in the middle of the upper die fixing plate, and the upper The slider fixing seat is tightly fitted on both sides of the upper mold fixing plate through bolts and fixing pins. The upper and lower slider seats pass through the upper slider fixing seat and connect with the upper mold fixing plate through bolts and fixing pins. Located under the fixed plate of the upper mold, the guide sleeves are located on both sides of the fixed plate of the upper mold, and are installed under the fixed plate of the upper mold by tight fitting. The lower slider assembly is connected with the fixed plate of the lower mold through bolts and fixing pins. The component fixing plate is located in the center of the lower mold fixing plate, and is connected with the lower mold fixing plate through bolts and fixing pins. In the fastening screw hole of the material spring fixing plate, the unloading spring is located on the fastening screw, and is tightened by the slider pressure plate and the double-layer fastening nut. The punch mandrel is located in the punch seat of the upper and lower slider seats. The connecting plate is connected with the lower slider assembly through bolts, and a set of lower slider assembly and upper and lower slider seats are installed on each side. The punch unloading rubber is located on the left and right punch mandrels. The part is located in the mounting hole of the die assembly fixing plate, the positioning and fixing block is installed on the plane of the die assembly through bolts, the guide columns are located on both sides of the lower die fixing plate, and are installed on the upper part of the lower die fixing plate by tight fitting, and the pads on both sides The blocks are respectively located on the left and right sides of the lower mold fixing plate, and are fixed by bolts. There is a waste box between the pads on both sides, and a base under the pads on both sides. They are connected to the two pads by two bolts.

Further: the upper mold fixing plate includes a guide sleeve hole, a mold core hole, a binder rubber installation hole, a lower slider assembly installation hole, a fixing pin hole, an upper slider fixing seat installation hole, a pin hole, a guide sleeve The holes are located on both sides of the fixed plate of the upper mold. There is a core hole in the middle of the fixed plate of the upper mold. There is a mounting hole for the upper pressing rubber above the core hole. The mounting hole for the lower slider assembly and the fixing pin hole are located in the core hole. On the left and right sides, the upper slider fixing seat mounting holes and the pin holes are located around the lower slider assembly mounting holes and the fixing pin holes.

Further: the lower mold fixing plate includes guide post holes, punching and blanking through holes, positioning and fixing block mounting bolt holes, cylindrical pin holes, upper and lower slider seat mounting bolt holes, positioning holes, and lower mold fixing plate The backing plate is installed with threaded holes, and the guide post holes are located on both sides of the lower die fixing plate. There is a punching and blanking through hole in the middle of the lower die fixing plate. Next to the punching and blanking through hole, there are positioning and fixing block mounting bolt holes and cylinders. The pin hole, the upper and lower block seat mounting bolt holes and the positioning holes are located near the positioning and fixing block mounting bolt holes and the cylindrical pin holes, and the lower mold fixing plate backing plate installation threaded holes are located around the lower mold fixing plate.

Further: the lower slider assembly includes the mounting hole of the upper die fixing plate, the second pin hole, the upper slope, the punch base mounting hole, the second positioning hole, the lower slope, the fastening screw mounting screw hole, the upper die The mounting hole of the fixing plate and the second pin hole are located on the plane of the lower slider assembly, and an upper slope is provided under the mounting hole of the upper die fixing plate and the second pin hole, and the mounting hole of the punch base and the second positioning hole are located on the lower slide. On the left plane of the block assembly, a lower slope is provided below the upper slope, and the mounting threaded hole of the fastening screw is located on the right side of the bottom slope.

Further: the unloading spring fixing plate includes a bevel, a fastening screw mounting hole, and a through hole for installing the lower slider assembly. The bevel is located at the left and right upper corners of the unloading spring fixing plate. A fastening screw installation hole is arranged in the middle, and a lower slider assembly installation through hole is arranged beside the fastening screw installation hole.

Further: the die assembly fixing plate includes a small arc, a positioning fixing block mounting threaded hole, a die assembly mounting hole, the first discharge hole, the lower die fixing plate mounting hole, the second fixing pin hole, No. II discharge hole, positioning pin hole, two small circular arcs are respectively located on the left and right tops of the die assembly fixing plate, and there are positioning and fixing block mounting screw holes on the left and right planes of the die assembly fixing plate, There is a die assembly mounting hole in the middle of the left and right planes of the die assembly fixing plate, and the first discharge hole, the lower die fixing plate mounting hole and the second fixing pin hole are arranged beside the die assembly mounting hole Located on the lower plane of the fixed plate of the die assembly, a second discharge hole is provided in the middle of the fixed plate of the die assembly, and a positioning pin hole is provided on the upper plane of the fixed plate of the die assembly.

Further: the upper slider fixing seat includes a square groove, an upper mold fixing plate installation threaded hole, and a second positioning hole, a square groove is arranged in the middle of the upper slider fixing seat, an upper mold fixing plate installation threaded hole and the second II positioning hole The positioning hole is located near the square groove.

Compared with the prior art, the utility model has the following characteristics:

1. The utility model provides a side punching die for the rear lower trailing arm bracket. It uses side punching, and both sides are punched at the same time, and it is in place at one time, which effectively ensures the concentricity of the two holes and improves product quality.

2. The utility model provides a rear lower trailing arm bracket side punching die with simple structure, easy operation, convenient disassembly, high punching efficiency and wide applicability.

3. The side punching die of the rear lower trailing arm bracket provided by the utility model is equipped with a waste box and a base at the bottom, which is convenient for receiving waste materials and making the site tidy.

The detailed structure of the utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model;

Accompanying drawing 2 is the structural representation of upper mold fixed plate

Accompanying drawing 3 is the structural representation of lower mold fixed plate;

Accompanying drawing 4 is the structural representation of lower slider assembly;

Accompanying drawing 5 is the right view of accompanying drawing 4;

Accompanying drawing 6 is the structural representation of unloading spring fixed plate;

Accompanying drawing 7 is the structural representation of die assembly fixed plate;

Accompanying drawing 8 is the top view of accompanying drawing 7;

Accompanying drawing 9 is the structural representation of upper slider fixing seat.

Detailed ways

As shown in the attached figure: a rear lower longitudinal arm bracket side punching die, which includes a mold core 1, an upper mold fixing plate 2, a fixing pin 3, a bolt 4, a guide sleeve 5, a guide column 6, and a lower mold fixing plate 7. Upper and lower slider seats 8, lower slider assembly 9, unloading spring fixing plate 10, unloading spring 11, fastening nut 12, slider pressing plate 13, fastening screw 14, connecting plate 15, punch Seat 16, punch mandrel 17, punch unloading rubber 18, upper pressing rubber 19, die assembly fixing plate 20, positioning fixing block 21, die assembly 22, upper slider fixing seat 23, spacer 24. The waste box 25 and the base 26 are provided with a core 1 in the middle of the upper mold fixing plate, and the upper slider fixing seat 23 is tightly fitted on both sides of the upper mold fixing plate 2 through the bolt 4 and the fixing pin 3, and goes up and down The top of the block seat 8 passes through the upper slider fixing seat 23 and is connected to the upper mold fixing plate 2 through the bolt 4 and the fixing pin 3. The upper pressing rubber 19 is located under the upper mold fixing plate 2, and the guide sleeve 5 is located on the upper mold fixing plate 2. The two sides are installed under the upper mold fixing plate 2 by means of tight fit, the lower slider assembly 9 is connected with the lower mold fixing plate 7 through bolts 4 and fixing pins 3, and the die assembly fixing plate 20 is located on the lower mold fixing plate. The center of the plate 7 is connected with the lower mold fixing plate 7 through the bolt 4 and the fixing pin 3. The unloading spring fixing plate 10 is located on the hole plane of the fastening screw 14 of the upper and lower slider seats 8, and the fastening screw 14 is located on the unloading plate. In the fastening screw 14 hole of the material spring fixing plate 10, the unloading spring 11 is located on the fastening screw 14, and is tightened by the slider pressure plate 13 and the double-layer fastening nut 12, and the punch mandrel 17 is located on the upper and lower sliders. In the punch seat 16 of the seat 8, the connecting plate 15 is connected with the lower slider assembly 9 through the bolt 4, and a set of 9 lower slider assemblies and upper and lower slider seats 8 are installed on each side, and the punch unloads the rubber. 18 is located on the left and right punch mandrels 17, the die assembly 22 is located in the mounting hole of the die assembly fixing plate 20, the positioning and fixing block 21 is installed on the plane of the die assembly 22 through the bolt 4, and the guide column 6 It is located on both sides of the lower mold fixing plate 7, and is installed above the lower mold fixing plate 7 by a tight fit. The pads 24 on both sides are respectively located on the left and right sides below the lower mold fixing plate 7, and are fixed by bolts 4. Between the pads 24 on both sides A waste box 25 is arranged between them, and a base 26 is arranged under the pads on both sides, which are connected with the two pads 24 by two bolts 4 .

The upper mold fixing plate 2 includes a guide sleeve hole 2-1, a mold core hole 2-7, a pressing rubber installation hole 2-4, a lower slider assembly installation hole 2-5, a fixing pin hole 2-6, Mounting hole 2-3, pin hole 2-2, and guide sleeve hole 2-1 of the upper slider fixing seat are located on both sides of the upper mold fixing plate, and a mold core hole 2-7 is arranged in the middle of the upper mold fixing plate. There is an upper pressing rubber installation hole 2-4 above 2-7, the lower slider assembly installation hole 2-5 and the fixing pin hole 2-6 are located on the left and right sides of the mold core hole 2-7, and the upper slider is fixed The base mounting hole 2-3 and the pin hole 2-2 are located around the lower slider assembly mounting hole 2-5 and the fixing pin hole 2-6.

The lower mold fixing plate 7 includes a guide column hole 7-1, a punching and blanking through hole 7-4, a positioning fixing block mounting bolt hole 7-3, a cylindrical pin hole 7-7, and upper and lower slider seats. Bolt hole 7-6, positioning hole 7-5, mounting threaded hole 7-2 of the backing plate of the lower mold fixing plate, guide post holes 7-1 are located on both sides of the lower mold fixing plate, and punching and blanking are arranged in the middle of the lower mold fixing plate Through hole 7-4, be provided with positioning fixed block installation bolt hole 7-3 and cylindrical pin hole 7-7 next to punching blanking through hole 7-4, upper and lower block seat installation bolt hole 7-6 and Positioning hole 7-5 is positioned at the vicinity of locating and fixing block mounting bolt hole 7-3 and cylindrical pin hole 7-7, and lower mold fixed plate backing plate installs threaded hole 7-2 and is positioned at the periphery of lower mold fixed plate.

The lower slider assembly 8 includes an upper die fixing plate mounting hole 8-1, a second pin hole 8-2, an upper slope 8-3, a punch base mounting hole 8-6, and a second positioning hole 8-7 , the lower slope 8-5, the fastening screw mounting threaded hole 8-4, the mounting hole 8-1 of the upper mold fixing plate and the second pin hole 8-2 are located on the plane of the lower slider assembly, and are installed on the upper mold fixing plate There is an upper slope 8-3 below the hole 8-1 and the second pin hole 8-2, and the punch seat mounting hole 8-6 and the second positioning hole 8-7 are located on the left plane of the lower slider assembly. The lower slope 8-3 is provided with a lower slope 8-5, and the fastening screw installation threaded hole 8-4 is located on the right side of the lower slope 8-5.

The discharge spring fixing plate 10 includes an inclined surface 10-1, a fastening screw mounting hole 10-3, and a lower slider assembly installation through hole 10-2, and the inclined surface 10-1 is located on the left and right upper sides of the unloading spring fixing plate. At the corner, a fastening screw installation hole 10-3 is provided in the middle of the discharge spring fixed plate, and a lower slider assembly installation through hole 10-2 is provided next to the fastening screw installation hole 10-3.

Described die assembly fixed plate 21 comprises small circular arc 21-1, positioning fixed block installation threaded hole 21-2, die assembly mounting hole 21-3, the 1st discharge hole 21-4, lower die fixing Plate mounting hole 21-5, the second II fixing pin hole 21-7, the second II discharge hole 21-6, positioning pin hole 21-8, two small circular arcs 21-1 are respectively located on the left side of the die assembly fixing plate , right top, on the left and right planes of the die assembly fixing plate, be provided with positioning fixing block installation threaded hole 21-2, be provided with die assembly mounting hole 21 in the middle of the die assembly fixing plate left and right planes -3, the first discharge hole 21-4 is provided next to the mounting hole of the die assembly, the mounting hole 21-5 of the lower mold fixing plate and the second fixing pin hole 21-7 are located on the lower plane of the fixing plate of the die assembly In the middle of the die assembly fixing plate, the second discharge hole 21-6 is provided, and the positioning pin hole 21-8 is provided on the upper plane of the die assembly fixing plate.

The upper slider fixing seat 23 includes a square groove 23-3, an upper mold fixing plate mounting threaded hole 23-1, the second positioning hole 23-2, and a square groove 23-3 is arranged in the middle of the upper slider fixing seat, The upper mold fixing plate mounting threaded hole 23-1 and the second positioning hole 23-2 are located near the square groove 23-3.

The working principle and usage method of the utility model are as follows: first install the parts on the upper mold fixing plate 2 and the lower mold fixing plate 7 with screws, and after ensuring that the front, rear, left and right positions are in good condition, install the whole set of molds through bolts Go to the stamping equipment, start the equipment, close the upper and lower molds, make the guide sleeve 5 of the upper mold and the guide column 6 of the lower mold fit well, press the plate, open the upper and lower molds, and then put the workpiece into the In the die assembly fixing plate 20 of the lower mold fixing plate 7, use the positioning and fixing block 21 to perform positioning, and after ensuring reliable positioning, start the equipment again, so that the guide sleeve 5 of the upper mold contacts the guide column 6 of the lower mold, and at the same time the upper mold , The lower slider seat 8 starts to work, and the workpiece is side punched. A waste box 25 is provided under the mold for receiving waste materials during punching. After the equipment is in place, the upper and lower slider seats 8 are returned to their positions and taken out. Artifact, job done.

Claims (4)

1. A rear lower trailing arm bracket side punching die, characterized in that it includes a mold core, an upper die fixing plate, a fixing pin, a bolt, a guide sleeve, a guide column, a lower die fixing plate, upper and lower blocks Seat, lower slider assembly, unloading spring fixing plate, unloading spring, fastening nut, slider pressure plate, fastening screw, connecting plate, punch seat, punch mandrel mandrel, punch unloading rubber, Upper pressing rubber, die assembly fixing plate, positioning and fixing block, die assembly, upper slider fixing seat, cushion block, waste box, base, a mold core is arranged in the middle of the upper mold fixing plate, and the upper slider The fixing seat is tightly fitted on both sides of the upper mold fixing plate through bolts and fixing pins. The upper and lower slider seats pass through the upper slider fixing seat and are connected with the upper mold fixing plate through bolts and fixing pins. The upper pressing rubber is located on the upper mold. Below the mold fixing plate, the guide sleeves are located on both sides of the upper mold fixing plate, the lower slider assembly is connected with the lower mold fixing plate through bolts and fixing pins, the die assembly fixing plate is located in the center of the lower mold fixing plate, and the discharge spring The fixing plate is located on the fastening screw hole plane of the upper and lower slider seats, the fastening screw is located in the fastening screw hole of the unloading spring fixing plate, and the unloading spring is located on the fastening screw, through the slider pressing plate and the double-layer tightening The fixing nut is tightened, the punch mandrel is located in the punch seat of the upper and lower slider seats, the connecting plate is connected with the lower slider assembly through bolts, and a set of lower slider assemblies and upper and lower slider assemblies are installed on both sides. Block seat, the punch discharge rubber is located on the left and right punch mandrels, the die assembly is located in the mounting hole of the die assembly fixing plate, the positioning and fixing block is installed on the plane of the die assembly through bolts, and the guide column It is located on both sides of the lower mold fixing plate. The pads on both sides are respectively located on the left and right sides of the lower mold fixing plate. They are fixed by bolts. There is a waste box between the two pads and a base under the two pads. Through two The bolts are connected together with two spacers. 2. A rear lower trailing arm bracket side punching die according to claim 1, characterized in that: said upper die fixing plate includes a guide sleeve hole, a mold core hole, a pressing rubber mounting hole, a sliding Block assembly mounting holes, fixing pin holes, upper slider fixing seat mounting holes, pin holes, guide sleeve holes are located on both sides of the upper die fixing plate, a core hole is set in the middle of the upper die fixing plate, and a There are mounting holes for the upper pressing rubber, the mounting holes for the lower slider assembly and the fixing pin holes are located on the left and right sides of the core hole, and the mounting holes and pin holes for the fixing seat of the upper slider are located at the mounting holes and the fixing pins of the lower slider assembly Around the hole; the lower mold fixing plate includes guide post holes, punching and blanking through holes, positioning and fixing block mounting bolt holes, cylindrical pin holes, upper and lower slider seat mounting bolt holes, positioning holes, and lower mold fixing The backing plate is installed with threaded holes, and the guide post holes are located on both sides of the lower die fixing plate. There is a punching and blanking through hole in the middle of the lower die fixing plate, and a positioning and fixing block mounting bolt hole and a The cylindrical pin hole, the upper and lower block seat mounting bolt holes and the positioning holes are located near the positioning and fixing block mounting bolt holes and the cylindrical pin hole, and the lower mold fixing plate backing plate installation threaded holes are located around the lower mold fixing plate. 3. A rear lower trailing arm bracket side punching die according to claim 1, characterized in that: said lower slider assembly includes an upper mold fixing plate mounting hole, a second pin hole, an upper slope, The mounting hole of the punch base, the second positioning hole, the lower slope, the mounting screw hole of the fastening screw, the mounting hole of the upper die fixing plate and the second pin hole are located on the plane of the lower slider assembly, and the mounting holes of the upper die fixing plate and There is an upper slope below the pin hole II, the punch base mounting hole and the second positioning hole are located on the left plane of the lower slider assembly, and a lower slope is provided below the upper slope, and the fastening screw mounting threaded hole is located on the lower slope The right side of the unloading spring fixing plate includes a slope, a fastening screw mounting hole, and a through hole for installing the lower slider assembly. The slope is located at the left and right upper corners of the unloading spring fixing plate. A fastening screw installation hole is arranged in the middle, and a lower slider assembly installation through hole is arranged beside the fastening screw installation hole. 4. A rear lower trailing arm bracket side punching die according to claim 1, characterized in that: said die assembly fixing plate includes a small arc, a positioning fixing block mounting threaded hole, a die set Part installation hole, discharge hole I, mounting hole of lower mold fixing plate, fixing pin hole II, discharge hole II, positioning pin hole, two small arcs are respectively located on the left and right of the fixing plate of the die assembly On the top, on the left and right planes of the die assembly fixing plate, there are mounting threaded holes for the positioning and fixing blocks; There is the first discharge hole next to the installation hole, the installation hole of the lower mold fixing plate and the second fixing pin hole are located on the lower plane of the die assembly fixing plate, and the second discharge hole is arranged in the middle of the die assembly fixing plate , positioning pin holes are provided on the upper plane of the die assembly fixing plate; the upper slider fixing seat includes a square groove, an upper mold fixing plate mounting threaded hole, and the second positioning hole, in the middle of the upper slider fixing seat There is a square groove, and the mounting threaded hole of the upper mold fixing plate and the second positioning hole are located near the square groove.