CN205085272U - Bumper bar processingequipment - Google Patents

Abstract

The utility model discloses a bumper bar processingequipment, including last mould and lower mould, the lower mould includes lower bolster, mold core, briquetting and is used for carrying out the locating component that fixes a position to the work piece, and the mold core is fixed in lower bolster top surface middle part, and the briquetting be two branches and is listed as and sets up in the mold core left and right sides, briquetting horizontal slip locate the lower bolster top surface and the mold core between formation flatten the clearance, the lower mould still includes two dogs and two guide pillars, the dog one -to -one is located the ejector pad outside and is fixed in the lower bolster, the guide pillar one -to -one be fixed in the dog top surface, the cope match -plate pattern is fixed with the guide pin bushing corresponding to the guide pillar, the guide pin bushing overlaps outside the guide pillar single degree of freedom sliding connection with it, the lateral wall of guide pillar be equipped with be used for with inner wall of guide sleeve roll complex gyro wheel, the utility model discloses a bumper bar processingequipment has set up the clearance of flattening that has certain inclination, can flatten the depth of parallelism after processing is kick -backed in guarantee insurance pole both ends to correspond the department's of flattening setting groove of stepping down, can make and flatten the processing back and form and flatten transition region, but the stress relieving centrostigma, and guarantee insurance pole structural strength prolongs its life, simultaneously can reduce equipment trouble and rate, practice thrift cost of maintenance.

Description

Bumper bar processing unit (plant)

Technical field

The utility model relates to a kind of processing unit (plant), particularly relates to a kind of bumper bar processing unit (plant).

Background technology

For the part made with metal tube, as the bumper bar be bent in obtuse angle to side by U-shaped tube end, be fixedly connected with generally to adopt with other parts and weld or bolt is connected, time wherein with bolts, in order to ensure bonding strength, connecting bolt is made to have certain screwing force, the place of connecting is needed to flatten, the bumper bar end place of flattening processed for the flattening mold of bumper bar in prior art produces resilience, bumper bar both ends are made to flatten place's depth of parallelism poor, assembling is bad, generally internal stress can be produced, syndeton is fragile, and the place's of flattening distortion is lofty, there is stress concentration point, frangibility, service life is short, guide frame simultaneously between patrix and counterdie is Frictional Slipping formula structure, wear and tear in use procedure more serious, fault rate is higher, carrying out smoothly of impact processing, maintenance cost is caused to increase.

Therefore, for solving the problem, need to be improved existing bumper bar processing unit (plant), the depth of parallelism after processing resilience is flattened at guarantee insurance bar both ends, and transitional region is flattened in formation, and eliminate stress centrostigma, guarantee insurance bar structural strength, extends its service life.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of bumper bar processing unit (plant), can flatten the depth of parallelism after processing resilience in guarantee insurance bar both ends, and transitional region is flattened in formation, eliminate stress centrostigma, and guarantee insurance bar structural strength, extends its service life.

Bumper bar processing unit (plant) of the present utility model, this bumper bar is made up of U-shaped pipe, described U-shaped tube end bends in obtuse angle to side, comprise upper die and lower die, described counterdie comprises lower bolster, core rod, briquetting and the positioning component for positioning workpiece, described core rod is fixed in the middle part of lower bolster end face, and described briquetting is two and is respectively in the core rod left and right sides and arranges, briquetting horizontal slip be located at lower bolster end face and and formed and flatten gap between core rod; Described patrix comprise cope match-plate pattern and for descending with cope match-plate pattern so that promote briquetting to described core rod horizontal slip with press from both sides flat described in flatten two pushing blocks in gap, the side of briquetting core rod is dorsad upper tapered plane, is the lower tapered plane identical with tapered plane gradient on briquetting inside pushing block; Described counterdie also comprises two blocks and two guide pillars, and described block one_to_one corresponding to be positioned at outside pushing block and to be fixed on lower bolster; Described guide pillar is fixed on block end face one to one, and cope match-plate pattern corresponds to guide pillar and is fixed with guide pin bushing; Guide pin bushing is placed on the outer single-degree-of-freedom with it of guide pillar and is slidably connected; The sidewall of described guide pillar is provided with for rolling the roller coordinated with guide pin bushing inwall.

Further, gap is flattened described in from front to back to the side deflection 0 ° ~ 7 ° of core rod;

Further, described positioning component comprises and stretches into the bearing of flattening gap and for spacing to prevent it around the limited block of bearing upper edge upset to carrying out bottom U-shaped pipe stopping, lower bolster is fixed in the front side that described bearing and limited block are distributed in described core rod and briquetting for supporting both ends correspondence that U-shaped pipe makes it need flatten processing;

Further, described briquetting corresponding U-shaped tube end bending segment is provided with slot to make way;

Further, described counterdie also comprises backboard, the rear side that described backboard is distributed in described core rod and briquetting is fixed on lower bolster, and briquetting is located in and slides spacing between backboard and bearing, and backboard and bearing to be located between two blocks and to be fixedly connected with two blocks respectively;

Further, described briquetting is connected to the block of its homonymy by elasticity pulling device, described elasticity pulling device comprises and is fixed on briquetting and the horizontal drag bar stretched out through corresponding block and be sheathed on described horizontal drag bar external part and bullet peaks at the Compress Spring of block lateral surface, and described stayed pole external part end is provided with nut for blocking Compress Spring and catch; The corresponding stayed pole of described pushing block is provided with open slot.

The beneficial effects of the utility model are: bumper bar processing unit (plant) of the present utility model, be provided with there is certain inclination angle flatten gap, the depth of parallelism after processing resilience can be flattened in guarantee insurance bar both ends, and the correspondence place of flattening arranges slot to make way, formed after can making to flatten processing and flatten transitional region, can be eliminated stress centrostigma, and guarantee insurance bar structural strength, extends its service life; Can equipment failure rate be reduced simultaneously, save maintenance cost.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further described:

Fig. 1 is half sectional view of the present utility model;

Fig. 2 is counterdie plane;

Fig. 3 is the A-A sectional view of Fig. 1.

Detailed description of the invention

Fig. 1 is half sectional view of the present utility model, Fig. 2 is counterdie plane, Fig. 3 is the A-A sectional view of Fig. 1, as shown in the figure: the bumper bar processing unit (plant) of the present embodiment, this bumper bar is made up of U-shaped pipe, described U-shaped tube end bends in obtuse angle to side, comprise upper die and lower die, described counterdie comprises lower bolster 1, core rod 2, briquetting 3 and the positioning component for positioning workpiece, described core rod 2 is fixed in the middle part of lower bolster 1 end face, described briquetting 3 is two and is respectively in the setting of core rod 2 left and right sides, briquetting 3 horizontal slip be located at lower bolster 1 end face and and formed and flatten gap between core rod 2, described patrix comprise cope match-plate pattern 4 and for descending with cope match-plate pattern 4 so that promote briquetting 3 to the horizontal slip of described core rod 2 with press from both sides flat described in flatten two pushing blocks 5 in gap, the side of briquetting 3 core rod 2 is dorsad upper tapered plane, be the lower tapered plane identical with tapered plane gradient on briquetting 3 inside pushing block 5, in the present embodiment, upper tapered plane refers to towards the inclined-plane of oblique upper, lower tapered plane makes it plane obliquely downward, briquetting 3 can arrange automatic reset device, when making patrix up, briquetting 3 automatically resets, and is beneficial to pick and place part, die shank 13 is fixed with in the middle part of cope match-plate pattern 4 end face, described counterdie also comprises two blocks 9 and two guide pillars 15, and described block 9 one_to_one corresponding to be positioned at outside pushing block 5 and to be fixed on lower bolster 1, horizontal supporting force can be provided for pushing block 5 by block 9, avoid flattening and add man-hour pushing block and 5 to tilt because of reaction force, the stable and crudy of mould structure can be ensured, described guide pillar 15 is fixed on block end face one to one, and cope match-plate pattern corresponds to guide pillar 15 and is fixed with guide pin bushing 16, guide pin bushing 16 is placed on the outer single-degree-of-freedom with it of guide pillar 15 and is slidably connected, the sidewall of described guide pillar 15 is provided with for rolling the roller 17 coordinated with guide pin bushing 16 inwall, roller 17 arranges many groups along guide pillar 15 axially-aligned, and each group has multiple roller 17 and along guide pillar 15 circumferencial direction arranged, roller 17 embed guide pillar 15 outer wall and the outermost of roller 17 slightly protrude from guide pillar 15 surface, each roller 17 respectively around its separately axis single-degree-of-freedom be rotationally connected with guide pillar 15, guide pillar 15 to be rolled with guide pin bushing 16 inwall by roller 17 coordinate, but not frictional fit, greatly reduce wearing and tearing, increase the service life, reduce fault rate, save maintenance cost, roller 17 be cydariform wheel construction and with guide pin bushing 16 inwall linear contact lay, greatly increase the contact area between roller 17 and guide pin bushing 16 inwall, improve radial bearing capacity, the sidewall of guide pillar 15 is also provided with the oil groove for storing lubricating oil.

In the present embodiment, described in flatten gap from front to back to the side deflection 0 ° ~ 7 ° of core rod 2, can specifically set drift angle numerical value according to the springback capacity of different materials, guarantee insurance bar both ends flatten processing resilience after the depth of parallelism.

In the present embodiment, described positioning component comprises and stretches into the bearing 6 of flattening gap and for spacing to prevent it around the limited block 7 of bearing 6 upper edge upset to carrying out bottom U-shaped pipe stopping for supporting both ends correspondence that U-shaped pipe makes it need flatten processing, lower bolster 1 is fixed in the front side that described bearing 6 and limited block 7 are distributed in described core rod 2 and briquetting 3, the positioning component of the present embodiment is reliable to Workpiece fixing, pick and place part convenient, and bearing 6 also can be used as the spacing block piece of briquetting 3, simple and reasonable for structure.

In the present embodiment, described briquetting 3 corresponding U-shaped tube end bending segment is provided with slot to make way 8, and formed after can making to flatten processing and flatten transitional region, can eliminate stress centrostigma, guarantee insurance bar structural strength.

In the present embodiment, described counterdie also comprises backboard 10, the rear side that described backboard 10 is distributed in described core rod 2 and briquetting 3 is fixed on lower bolster 1, briquetting 3 be located in slide between backboard 10 and bearing 6 spacing, backboard 10 and bearing 6 are located between two blocks 9 and are also fixedly connected with two blocks 9 respectively, the horizontal slip free degree of briquetting 3 can be limited by backboard 10 and bearing 6, improve mold integral operation stability, serviceability is good, and two block 9 cooperative bearings can be made by the connection function of backboard 10 and bearing 6 and two blocks 9, make to flatten and add man-hour reaction force and cancel out each other, mold integral stress performance is good.

In the present embodiment, described briquetting 3 is connected to the block 9 of its homonymy by elasticity pulling device, described elasticity pulling device comprises and is fixed on briquetting 3 and the horizontal drag bar 11 stretched out through corresponding block 9 and be sheathed on described horizontal drag bar 11 external part and bullet peaks at the Compress Spring of block 9 lateral surface, and described stayed pole 11 external part end is provided with nut for blocking Compress Spring and catch; The corresponding stayed pole 11 of described pushing block 5 is provided with open slot 14, and as shown in Figure 1, the corresponding each briquetting 3 of described pulling device is arranged above and below and arranges two covers, can effectively ensure automatically reseting of briquetting 3, be beneficial to and pick and place part, the continuity of processing can be improved, be beneficial to raising working (machining) efficiency.

What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (6)

1. a bumper bar processing unit (plant), this bumper bar is made up of U-shaped pipe, described U-shaped tube end bends in obtuse angle to side, it is characterized in that: comprise upper die and lower die, described counterdie comprises lower bolster, core rod, briquetting and the positioning component for positioning workpiece, described core rod is fixed in the middle part of lower bolster end face, and described briquetting is two and is respectively in the core rod left and right sides and arranges, briquetting horizontal slip be located at lower bolster end face and and formed and flatten gap between core rod; Described patrix comprise cope match-plate pattern and for descending with cope match-plate pattern so that promote briquetting to described core rod horizontal slip with press from both sides flat described in flatten two pushing blocks in gap, the side of briquetting core rod is dorsad upper tapered plane, is the lower tapered plane identical with tapered plane gradient on briquetting inside pushing block; Described counterdie also comprises two blocks and two guide pillars, and described block one_to_one corresponding to be positioned at outside pushing block and to be fixed on lower bolster; Described guide pillar is fixed on block end face one to one, and cope match-plate pattern corresponds to guide pillar and is fixed with guide pin bushing; Guide pin bushing is placed on the outer single-degree-of-freedom with it of guide pillar and is slidably connected; The sidewall of described guide pillar is provided with for rolling the roller coordinated with guide pin bushing inwall.

2. bumper bar processing unit (plant) according to claim 1, is characterized in that: described in flatten gap from front to back to the side deflection 0 ° ~ 7 ° of core rod.

3. bumper bar processing unit (plant) according to claim 2, it is characterized in that: described positioning component comprises and stretches into the bearing of flattening gap and for spacing to prevent it around the limited block of bearing upper edge upset to carrying out bottom U-shaped pipe stopping, lower bolster is fixed in the front side that described bearing and limited block are distributed in described core rod and briquetting for supporting both ends correspondence that U-shaped pipe makes it need flatten processing.

4. bumper bar processing unit (plant) according to claim 3, is characterized in that: described briquetting corresponding U-shaped tube end bending segment is provided with slot to make way.

5. bumper bar processing unit (plant) according to claim 4; it is characterized in that: described counterdie also comprises backboard; the rear side that described backboard is distributed in described core rod and briquetting is fixed on lower bolster; briquetting is located in and slides spacing between backboard and bearing, and backboard and bearing to be located between two blocks and to be fixedly connected with two blocks respectively.

6. bumper bar processing unit (plant) according to claim 5, it is characterized in that: described briquetting is connected to the block of its homonymy by elasticity pulling device, described elasticity pulling device comprises and is fixed on briquetting and the horizontal drag bar stretched out through corresponding block and be sheathed on described horizontal drag bar external part and bullet peaks at the Compress Spring of block lateral surface, and described stayed pole external part end is provided with nut for blocking Compress Spring and catch; The corresponding stayed pole of described pushing block is provided with open slot.