CN216324577U - Bumper support forming die - Google Patents

Bumper support forming die Download PDF

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Publication number
CN216324577U
CN216324577U CN202122659959.4U CN202122659959U CN216324577U CN 216324577 U CN216324577 U CN 216324577U CN 202122659959 U CN202122659959 U CN 202122659959U CN 216324577 U CN216324577 U CN 216324577U
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China
Prior art keywords
die
cavity
bumper
female die
female
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CN202122659959.4U
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Chinese (zh)
Inventor
闵令波
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Shandong Luyu Damping System Technology Co ltd
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Shandong Luyu Damping System Technology Co ltd
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Abstract

The utility model relates to a bumper bracket forming die which comprises a movable die part and a fixed die part, wherein the movable die part comprises a male die, and a convex part of the male die is matched with the shape of a bumper bracket; the fixed die part comprises a female die, a concave cavity of the female die is matched with and slidably connected with a convex part of the male die, and a gap for accommodating the thickness of the bumper support is reserved between the convex part and a matching surface of the concave cavity in the vertical direction; a plurality of positioning pins are arranged on the upper surface of the female die, and a plurality of cavity positioning pins are arranged in the cavity of the female die; the utility model realizes the positioning and fixing of the bumper bracket, so that the bumper bracket is not deviated in the stamping process, the production safety is ensured, the generation of defective products is reduced, and the product quality is improved.

Description

Bumper support forming die
Technical Field
The utility model relates to the technical field of mold structures, in particular to a bumper support forming mold.
Background
At present, more than 90% of parts in automobile production need to be formed by means of a mold, the level of the mold design directly influences the quality of products, a bumper support is no exception, the bumper support is mostly an asymmetric special-shaped part, and the requirement on the mold is higher.
Some bumper support parts are bent, and only a part of the periphery of the bumper support parts needs to be pressed to form a bent edge, so that the bumper support is difficult to fix and easy to slide when the last pressing process is carried out on the bumper support, and the bumper support can deviate during stamping to cause the defective rate to rise.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a bumper support forming die which realizes the positioning and fixing of a bumper support when the bumper support is subjected to a compression molding process, so that the bumper support is not deviated in the stamping process, the generation of defective products is reduced, and the product quality is improved.
A bumper bracket forming die comprises a movable die part and a fixed die part, wherein the movable die part comprises a male die, and a convex part of the male die is matched with the shape of a bumper bracket; the fixed die part comprises a female die, a concave cavity of the female die is matched with and slidably connected with a convex part of the male die, and a gap for accommodating the thickness of the bumper support is reserved between the convex part and a matching surface of the concave cavity in the vertical direction; and a plurality of positioning pins are arranged on the upper surface of the female die, and a plurality of cavity positioning pins are arranged in the cavity of the female die.
Before the bumper support is subjected to a compression molding process, the general outline of a piece body is subjected to compression molding, the piece body is bent, and a part to be compressed is provided with a margin, so that the appearance of a semi-finished product of the bumper support is slightly larger than that of a female die and cannot be placed in the female die to be positioned through an inner die; therefore, the positioning pin is arranged on the upper surface of the female die, the installation position of the positioning pin depends on the bending height of the bumper bracket, in other words, the positioning pin realizes the positioning of the workpiece to be machined, and the bending height meets the drawing requirement; and meanwhile, a plurality of positioning pins are arranged to limit the degree of freedom of the workpiece to be machined in other directions, and the bumper support is fixed, so that the workpiece to be machined is not off tracking in the stamping process.
In addition, the bumper support is not provided with a bent edge part, machining allowance is not provided, but positioning is needed, and the cavity of the female die is provided with a plurality of cavity positioning pins.
The locating pin can adopt thread tightening, also can adopt interference fit to fix, because of the locating pin belongs to easy damaged parts, needs often to be changed, and the locating pin of this scheme is dismantled conveniently, is convenient for change.
Preferably, the number of the positioning pins is three, the positioning pins are respectively tightly attached to the side face of the bumper bracket, which is to be pressed out of the bent edge position, and are fixedly arranged on the upper surface of the female die, two positioning pins are positioned in the length direction of the bumper bracket, and one positioning pin is positioned in the width direction of the bumper bracket; and the two cavity positioning pins are tightly attached to the side surface of the non-extrusion bent edge position of the bumper support and fixedly arranged in the cavity of the female die.
Through adopting this technical scheme, adopt 3 locating pins and 2 cavity locating pins, wherein two locating pins of length direction are located the high part of horizontal position one, and one is located the low part of horizontal position, and 2 cavity locating pins are the high part of horizontal position one equally, and one is located the low part of horizontal position, and this reasonable in design, the location is accurate, and is fixed firm.
Preferably, the movable mold part further comprises an upper mold plate, a male mold fixing plate and two guide sleeve fixing plates are fixedly connected to the lower surface of the upper mold plate, the two guide sleeve fixing plates are respectively located on two sides of the male mold fixing plate in the length direction, the lower surface of the male mold fixing plate is fixedly connected with the male mold, and guide sleeves are respectively fixedly connected to the lower portions of the two guide sleeve fixing plates.
Preferably, the guide sleeve is in sliding connection with the fixed die part, the fixed die part further comprises a lower template, a female die fixing plate and two guide columns are fixedly connected to the upper surface of the lower template, the two guide columns are located on two sides of the length direction of the female die fixing plate respectively and are in sliding connection with the guide sleeve respectively, and the upper surface of the female die fixing plate is fixedly connected with the female die.
By adopting the technical scheme, the punch forming process of the movable mould part and the fixed mould part is realized under the matching of the guide column and the guide sleeve.
Preferably, at least two through holes are formed in the concave cavity of the female die, a material returning rod is connected in each through hole in a sliding mode, the lower end of each material returning rod is connected with a spring, each material returning rod is tightly attached to the lower surface of a bumper support placed on the female die in a natural state, and the bottom covers are fixedly connected to the positions of the through holes in the lower surface of the female die respectively.
In the technical scheme, the material returning rod is arranged in the concave cavity, so that the processed bumper bracket is ejected out after the profiling process of the workpiece to be processed is completed, and the processed bumper bracket is convenient to take out; and because each material returning rod is tightly attached to the lower surface of the bumper bracket placed on the female die in a natural state, the auxiliary supporting function of the workpiece to be processed after material feeding and before stamping is realized.
Preferably, the number of the through holes in the concave cavity of the female die is two, one through hole is located at the part with the horizontal position of the concave cavity being high, and the other through hole is located at the part with the horizontal position of the concave cavity being low.
Through adopting this technical scheme, with minimum material returned pole, it is more stable when popping out finished product when having realized material returned, realize the stability when the work piece is treated in the auxiliary stay simultaneously.
Preferably, two positioning blocks are fixedly arranged on the upper surface of the female die, one of the positioning blocks is tightly attached to the side surface of the male die, and the other positioning block is connected with the male die in a sliding manner.
By adopting the technical scheme, the female die and the male die are accurately matched by a simple structure, the female die and the male die are prevented from being dislocated in the stamping process, and the processing quality and the safety are improved.
Preferably, the lower surface of the male die is provided with a positioning groove, and the positioning groove is matched with the positioning block in sliding connection with the male die.
By adopting the technical scheme, one corner of the positioning block is embedded into the positioning groove, so that the male die is positioned by the female die, the male die cannot deviate in the stamping process, and the processing quality of a product is ensured.
Preferably, two upper lifting lugs are respectively arranged on two side surfaces of the upper template in the width direction and are positioned at the positions close to four corners of the upper template.
Preferably, two lower lifting lugs are respectively arranged on two side surfaces of the lower template in the width direction and are positioned at the positions close to four corners of the lower template.
By adopting the technical scheme, safe hoisting of the movable mold part and the fixed mold part is realized, and a hoisting ring or a hoisting ring and hoisting lug combined mode can be selected except for a mode of using the hoisting lug.
In summary, the utility model has the following beneficial technical effects:
1. through adopting the locating pin, realized treating the location of machined part, the restriction simultaneously treats the degree of freedom of other directions of machined part, realizes fixing the bumper support for treat that the machined part is the off tracking not in stamping process, guaranteed the safety of production, the product quality of improvement has reduced the defective percentage.
2. Through set up material returned pole in the cavity, realized the completion treat the die mould process back of machined part, the bumper bracket that will process the completion is pushed out, conveniently takes out it, simultaneously, has realized treating the machined part at the material loading back, the auxiliary stay effect before the punching press.
Drawings
FIG. 1 is a schematic view of a bumper bracket forming mold;
FIG. 2 is a schematic view of a moving mold part;
FIG. 3 is a schematic illustration of a stationary mold part;
FIG. 4 is a schematic view of a bumper bracket in a pre-profiling position;
FIG. 5 is a schematic view of a bumper bracket after being molded;
FIG. 6 is a schematic view of the bumper bracket before profiling;
FIG. 7 is a schematic view of the bumper bracket after profiling;
FIG. 8 is a schematic view of a bumper bracket profiling front stripper bar;
FIG. 9 is a schematic view of a stripper bar in a bumper bracket molding;
fig. 10 is a schematic view of a bumper stay profiled backset bar.
Description of reference numerals:
1-a moving mold part; 101-upper template; 102-a punch retainer; 103-male die; 104-a guide sleeve fixing plate; 105-a guide sleeve; 106-upper lifting lug;
2-a fixed mould part; 201-a lower template; 202-a die holder plate; 203-concave die; 204-a female die positioning block; 205-guide posts; 206-lower lifting lug; 207-positioning pins; 208-cavity locating pins; 209-material returning rod; 210-a spring; 210-a bottom cover;
3-profiling a front bumper bracket;
4-profiled rear bumper bracket.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples.
Referring to fig. 1, a bumper stay molding die includes a movable die portion 1 and a stationary die portion 2.
Referring to fig. 1 and 2, the movable mold part 1 comprises an upper mold plate 101, a male mold fixing plate 102 and two guide sleeve fixing plates 104 are fixedly connected to the lower surface of the upper mold plate 101, the two guide sleeve fixing plates 104 are respectively located at two sides of the upper mold plate 101 in the length direction, a male mold 103 is fixedly connected to the lower surface of the male mold fixing plate 102, the protruding part of the male mold 103 is matched with the shape of the bumper bracket, and guide sleeves 105 are respectively fixedly connected to the lower parts of the two guide sleeve fixing plates 104; two upper lifting lugs 106 are respectively arranged on two side surfaces of the upper template 101 in the width direction, and the upper lifting lugs 106 are positioned at the positions close to the four corners of the upper template 101.
Referring to fig. 1 and 3, the fixed mold part 2 comprises a lower mold plate 201, a female mold fixing plate 202 and two guide columns 205 are fixedly connected to the upper surface of the lower mold plate 201, the two guide columns 205 are respectively located on two sides of the lower mold plate 201 in the length direction and are respectively in sliding connection with the guide sleeves 105, a female mold 203 is fixedly connected to the upper surface of the female mold fixing plate 202, a cavity of the female mold 203 is matched and in sliding connection with a protruding part of the male mold 103, and a gap for accommodating the thickness of the bumper support is reserved between the protruding part and a matching surface of the cavity in the vertical direction; the upper surface of the female die 203 is fixedly provided with two positioning blocks 204, one positioning block 204 is tightly attached to the side surface of the male die 103, the other positioning block 204 is in sliding connection with the male die 103, and the lower surface of the male die 103 is provided with a positioning groove which is matched with the positioning block 204 in sliding connection with the male die 103; two side surfaces of the lower template 201 in the width direction are respectively provided with two lower lifting lugs 206, and the lower lifting lugs 206 are positioned at the near four corners of the lower template 201.
Referring to fig. 4 and 6, the upper surface of the female die 203 is provided with three positioning pins 207, which are respectively attached to the side surface of the bumper bracket where the bent edge is to be pressed and fixed on the upper surface of the female die 203, wherein two positioning pins 207 are located in the length direction of the bumper bracket, and one positioning pin 207 is located in the width direction of the bumper bracket.
Referring to fig. 5 and 7, two cavity positioning pins 208 are arranged in the cavity of the female die 203, and are tightly attached to the side surface of the bumper bracket at the non-extrusion-flanging position and fixedly arranged in the cavity of the female die 203.
Referring to fig. 3 and 8, two through holes are formed in the cavity of the female die 203, a material returning rod 209 is slidably connected in each through hole, the lower end of each material returning rod 209 is connected with a spring 210, each material returning rod 209 is tightly attached to the lower surface of a bumper support placed on the female die 203 in a natural state, and a bottom cover 211 is fixedly connected to each through hole of the lower surface of the female die 203.
The implementation process of the embodiment is as follows:
firstly, a lower lifting lug 206 is lifted by a hoisting device, a bumper bracket forming die is lifted to a workbench, the bumper bracket forming die is installed, after the bumper bracket forming die is fixed, the upper lifting lug 106 is lifted to open the movable die part 1, namely, the movable die part is separated from the fixed die part 2, a workpiece to be processed is placed on an inner die 203 of the movable die part 2 as shown in fig. 6, two edges to be bent of the workpiece to be processed are close to three positioning pins 207 on the upper surface of the inner die 203, the workpiece to be processed is positioned and fixed through the three positioning pins as shown in fig. 4, at this time, referring to fig. 8, a material returning rod 209 is in a natural state and clings to the lower surface of the workpiece to be processed placed on the concave die 203 under the action of a spring 210, and plays an auxiliary supporting role in the workpiece to be processed.
Then, the press is started, the movable die part 1 is accurately pressed on the workpiece to be processed under the action of the press through the guide of the guide sleeve 105 and the guide column 206 and the positioning of the positioning block 204 and the positioning groove, at this time, as shown in fig. 5 and fig. 9, the workpiece to be processed is pressed into the die cavity of the female die 203, the pressing is completed, the finished product is as shown in fig. 7, during the pressing process, the non-bent long side of the workpiece to be processed just abuts against the cavity positioning pin 208, and the cavity positioning pin 208 plays a role in positioning and fixing the workpiece to be processed.
Finally, the movable mould part 1 is lifted and the bumper bracket is ejected out of the cavity by the stripper rod 209 under the action of the spring 210, as shown in fig. 10, at which point the operator takes the bumper bracket out with a tool, and the entire profiling process is completed.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Claims (10)

1. The utility model provides a bumper bracket forming die, includes movable mould part (1) and cover half part (2), its characterized in that:
the movable mould part (1) comprises a male mould (103), and the protruding part of the male mould (103) is matched with the shape of the bumper bracket;
the fixed die part (2) comprises a female die (203), a cavity of the female die (203) is matched with and slidably connected with a convex part of the male die (103), and a gap for accommodating the thickness of the bumper support is reserved between the convex part and a matching surface of the cavity in the vertical direction;
and a plurality of positioning pins (207) are arranged on the upper surface of the female die (203), and a plurality of cavity positioning pins (208) are arranged in the cavity of the female die (203).
2. The bumper bracket forming die of claim 1, wherein the three positioning pins (207) are respectively attached to the side surfaces of the bumper bracket where the bent edge is to be pressed and fixed on the upper surface of the female die (203), two positioning pins (207) are located in the length direction of the bumper bracket, and one positioning pin (207) is located in the width direction of the bumper bracket; and two cavity positioning pins (208) are tightly attached to the side surface of the non-extrusion bent edge position of the bumper support and fixedly arranged in the cavity of the female die (203).
3. The bumper support forming die is characterized in that the movable die part (1) further comprises an upper die plate (101), a punch retainer (102) and two guide sleeve retainers (104) are fixedly connected to the lower surface of the upper die plate (101), the two guide sleeve retainers (104) are respectively positioned on two sides of the upper die plate (101) in the length direction, the punch (103) is fixedly connected to the lower surface of the punch retainer (102), and guide sleeves (105) are respectively fixedly connected to the lower parts of the two guide sleeve retainers (104).
4. The bumper support forming die of claim 3, wherein the guide sleeve (105) is slidably connected with the fixed die part (2), the fixed die part (2) further comprises a lower die plate (201), a female die fixing plate (202) and two guide columns (205) are fixedly connected to the upper surface of the lower die plate (201), the two guide columns (205) are respectively located on two sides of the lower die plate (201) in the length direction and are respectively slidably connected with the guide sleeve (105), and the upper surface of the female die fixing plate (202) is fixedly connected with the female die (203).
5. The bumper support forming die according to any one of claims 1, 2 or 4, wherein the cavity of the female die (203) is internally provided with at least two through holes, each through hole is internally and slidably connected with a material returning rod (209), the lower end of each material returning rod (209) is connected with a spring (210), each material returning rod (209) is naturally attached to the lower surface of the bumper support placed on the female die (203), and a bottom cover (211) is fixedly connected to each through hole on the lower surface of the female die (203).
6. The bumper bracket forming die of claim 5, wherein the number of the through holes in the cavity of the female die (203) is two, and one of the through holes is located at a part with a high horizontal position of the cavity, and the other through hole is located at a part with a low horizontal position of the cavity.
7. The bumper support forming die of claim 6, wherein two positioning blocks (204) are fixedly arranged on the upper surface of the female die (203), one of the positioning blocks (204) is tightly attached to the side surface of the male die (103), and the other positioning block (204) is slidably connected with the male die (103).
8. The bumper support forming die of claim 7, wherein a positioning groove is formed in the lower surface of the male die (103), and the positioning groove is matched with the positioning block (204) in sliding connection with the male die (103).
9. The bumper support forming die according to claim 3, wherein two upper lifting lugs (106) are respectively arranged on two side surfaces of the upper die plate (101) in the width direction, and the upper lifting lugs (106) are positioned at the positions, close to four corners, of the upper die plate (101).
10. The bumper support forming die of claim 4, wherein two lower lifting lugs (206) are respectively arranged on two side surfaces of the lower template (201) in the width direction, and the lower lifting lugs (206) are positioned at the positions, close to four corners, of the lower template (201).
CN202122659959.4U 2021-11-02 2021-11-02 Bumper support forming die Active CN216324577U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122659959.4U CN216324577U (en) 2021-11-02 2021-11-02 Bumper support forming die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122659959.4U CN216324577U (en) 2021-11-02 2021-11-02 Bumper support forming die

Publications (1)

Publication Number Publication Date
CN216324577U true CN216324577U (en) 2022-04-19

Family

ID=81132857

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122659959.4U Active CN216324577U (en) 2021-11-02 2021-11-02 Bumper support forming die

Country Status (1)

Country Link
CN (1) CN216324577U (en)

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