CN107952863A - A kind of automobile reinforcer Trimming Die - Google Patents

Abstract

The present invention provides a kind of automobile reinforcer Trimming Die, including lower mold assemblies and upper die component, and the lower mold assemblies include die holder, two locating pieces, multiple limit assemblies；The upper die component includes upper mold seat, two trimming blocks, two binder blocks, locating piece coordinates the demoulding product for compressing automobile reinforcer with binder block, binder block is positioned block during upper die component is mutually drawn close with lower mold assemblies and demoulding product is promoted and moved, there is difference in height, producing shearing force on demoulding product cuts off leftover pieces between trimming block and binder block.Existing machining process is improved by way of mould cutting, improves the security of worker in process, the dust pollution that processing is brought is decreased, improves processing environment.

Description

A trimming mold for automobile reinforcement

technical field

The invention relates to the technical field of automobile product processing, in particular to an automobile reinforcement trimming mold.

Background technique

The reinforcement on the car is a curved structure supported by sheet metal. It is stamped and formed by a mold during manufacture. In the process of mold forming, in order to make full use of the use efficiency of the mold and improve production efficiency, multiple joints are directly obtained in one process. Products, in the processing process of most spare parts manufacturers, the redundant part of the product is usually trimmed by mechanical processing method, which is easy to cause deformation of the formed product during the processing process, resulting in an increase in product scrap rate, and processing by mechanical processing method, Cause processing efficiency to be low, the current situation of loaded down with trivial details processing procedure.

Contents of the invention

Aiming at the deficiencies in the prior art, the present invention provides a trimming mold for automotive reinforcements, which solves the problem that the demoulding products of automotive reinforcements are easily deformed during the processing of trimming excess parts of the product, causing the product to be deformed. The problem of high scrap rate.

In order to achieve the above object, the present invention adopts the following technical solutions: a trimming mold for automobile reinforcements, including a lower mold assembly and an upper mold assembly, and the lower mold assembly includes a lower mold base, two positioning blocks, A plurality of limiting components, the lower mold base includes a concave installation part in the middle and guide parts located at both ends of the installation part, wherein the middle part of the installation part is provided with a bar-shaped avoidance hole, and the two positioning blocks are symmetrical to the avoidance hole Installed on the installation part, the positioning block is surrounded by limit stops; the guide part is provided with a guide groove opening outwards, and guide columns are arranged in the guide groove, and the limit components are installed on the guide parts on both sides of the guide groove;

The upper mold assembly includes an upper mold base, two trimming blocks, and two binder blocks. The middle part of the upper mold base is provided with a slide groove, and a cutting blade is installed in the middle of the slide groove. The two binder blocks It is symmetrically installed in the sliding groove relative to the cutting blade, and the binder block is reciprocally slidably installed on the bottom plate of the sliding groove through the guide mechanism, the stroke limit mechanism and the return mechanism; the two trimming blocks are symmetrically installed on the On the upper die base; the two ends of the upper die base are provided with guide bumps matching with the guide grooves, and the middle part of the guide bumps is provided with guide holes matched with the guide columns.

When in use, slide the upper mold assembly with the guide groove and guide column on the lower mold assembly through the guide protrusions and guide holes. The inner surface fits for positioning, and the pressing block on the upper mold assembly fits with the outer surface of the automobile reinforcement for pressing, so that the demoulding product is stably pressed between the upper mold assembly and the lower mold assembly , during the extrusion process, the binder block slides backwards on the guide mechanism, and there is a height difference between the binder block and the trimming block, and the edge of the demoulding product is cut by the shear force, while the upper die assembly The cutting knife directly divides the demolded product. When the upper mold assembly is far away from the lower mold assembly, the pressing block pushes out the processed product under the push of the return mechanism, and the pressing block is restricted by the travel limit mechanism. Return to the state before extrusion. The deep processing of the demoulding product through the mold can ensure that the demoulding product will not be deformed and the excess scrap can be cut off, which improves the qualification rate and production efficiency of the product.

Compared with the prior art, the present invention has the following beneficial effects:

1. The positioning block can fit and position the demoulding product, prevent the demoulding product from moving when the upper mold component and the lower mold component are close together, and can cooperate with the pressing block to compress the demoulding product to prevent the demoulding product from moving. Deformation occurs during the trimming process, which effectively reduces the processing scrap rate of the product;

2. Use the reciprocating movement of the binder block to generate a height difference with the trimming block, thereby generating shear force on the demoulding product, thereby quickly cutting off the excess scrap around the entire demoulding product, reducing the processing time, and Multiple products that are demolded together can also be divided in one cut, which improves the production efficiency of the product;

3. The existing mechanical processing method is improved by means of mold cutting, the safety of workers is improved during processing, the dust pollution caused by processing is also reduced, and the processing environment is improved.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the top view of lower mold assembly of the present invention;

Fig. 3 is a schematic diagram of the explosive structure of the lower mold assembly of the present invention;

Fig. 4 is a schematic diagram of the exploded structure of the upper mold assembly of the present invention;

Fig. 5 is a schematic structural view of the stroke limiting mechanism of the present invention;

Fig. 6 is a schematic structural view of the guiding mechanism of the present invention;

Fig. 7 is a schematic structural diagram of the return mechanism of the present invention.

In the figure, the lower mold assembly 1, the lower mold base 11, the installation part 111, the avoidance hole 1110, the guide part 112, the guide groove 1120, the positioning block 12, the limit block 13, the guide column 14, the limit assembly 15, the positioning Plate 151, positioning column 152, protective cover 153, material collecting plate 16, upper die assembly 2, upper die base 21, sliding groove 210, guide bump 22, guide hole 220, trimming block 23, pressing block 24, Stroke limit mechanism 25, stroke limit cover 251, locking rod 252, lock nut 253, guide mechanism 26, guide rod 261, guide sleeve 262, return stroke mechanism 27, mounting post 271, spring 272, bolt post 3.

Detailed ways

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

As shown in Figures 1 to 7, a trimming mold for automotive reinforcements according to the present invention includes a lower mold assembly 1 and an upper mold assembly 2, and the lower mold assembly 1 includes a lower mold base 11, two A positioning block 12, a plurality of limit components 15, the lower mold base 11 includes a mounting part 111 with a concave middle part and guide parts 112 located at both ends of the mounting part 111, wherein the middle part of the mounting part 111 is provided with a bar-shaped structure for avoiding hole 1110, two positioning blocks 12 are symmetrically installed on the installation part 111 relative to the avoidance hole 1110, and the positioning block 12 is surrounded by limit stops 13, in order to ensure that the positioning block 12 can reliably limit the demoulding product, the positioning block The shape of 12 fits the shape of the inner surface of the automobile reinforcement; the guide part 112 is provided with a guide groove 1120 that opens outwards, and a guide column 14 is arranged in the guide groove 1120, and the limit assembly 15 is installed on both sides of the guide groove 1120. On the guide portion 112 on the side; wherein the limit assembly 15 includes a positioning plate 151 and a positioning column 152, the positioning plate 151 is fixed on the guiding portion 112, and the positioning column 152 is installed on the guiding portion 112 on one side of the positioning plate 151. The positioning column 152 is covered with a protective sleeve 153 , and the height of the positioning plate 151 is the limit height at which the upper mold assembly 2 can approach the lower mold assembly 1 . In order to ensure that the leftovers of the demoulding product can slide out according to the specified direction, avoid the leftovers from falling into the lower mold base 11, avoid the demoulding product from being damaged or broken, and avoid the situation that the leftovers are ejected during the extrusion process , to protect the safety of the staff around the equipment.

The upper die assembly 2 comprises an upper die base 21, two trimming blocks 23, and two binder blocks 24, the middle part of the upper die base 21 is provided with a sliding groove 210, and the middle part of the sliding groove 210 is equipped with a cutting blade, Two binder blocks 24 are symmetrically installed in the slide groove 210 with respect to the cutting blade, and the binder blocks 24 are reciprocally slidably installed on the bottom plate of the slide groove 210 through the guide mechanism 26, the stroke limit mechanism 25 and the return mechanism 27; wherein the guide mechanism 26 includes a plurality of guide rods 261 and a plurality of corresponding guide sleeves 262, wherein the guide rods 261 are affixed to the bottom plate of the sliding groove 210, the guide sleeves 262 are affixed to the binder block 24, the guide sleeves 262 and the guide rods 261 Sliding fit, the binder block 24 can slide flexibly in the sliding groove 210, and the cooperation of the sliding sleeve and the sliding rod makes the binder block 24 not shift during the moving process, ensuring that the binder block 24 can be demoulded according to the product The shape of the machine is pressed together to avoid unnecessary cutting and product scrapping, which further improves the processing accuracy and improves the yield of the product. In order to make the upper mold assembly 2 and the lower mold assembly 1 have a better guiding effect in the process of approaching, the two ends of the upper mold base 21 are provided with guide protrusions 22 that match the guide grooves 1120, and the guide protrusions The middle part of the block 22 is provided with a guide hole 220 matched with the guide column 14, so that the upper die assembly 2 can ensure that the pressing block 24 is aligned with the positioning block 12 during the up and down movement.

The stroke limiting mechanism 25 comprises a stroke limiting sleeve 251, a locking rod 252 and a locking nut 253. The locking nut 253 is fixedly connected to the bottom surface of the upper mold base 21, and the stroke limiting sleeve 251 is slidably installed on the press. On the material block 24 , the locking rod 252 passes through the stroke limiting sleeve 251 and is locked with the locking nut 253 . The stroke limit sleeve 251 is locked on the upper mold base 21 by the locking screw, and the distance that the pressing block 24 that is sleeved on the stroke limit sleeve 251 moves downward is limited by the length of the stroke limit sleeve 251, so that the pressing The block 24 slides in the sliding groove 210, and will not slip out due to excessive thrust. The stroke limit mechanism 25 can assist the guide mechanism 26 to limit the up and down movement of the pressing block 24, ensuring that the pressing block 24 can be without deviation. The press fit on the release product.

Return mechanism 27 comprises mounting column 271 and spring 272, and described mounting column 271 is affixed to the bottom plate of slide groove 210, and the height of mounting column 271 is less than the height of spring 272, and spring 272 is enclosed within on the mounting column 271, and the height of spring 272 One end leans against the bottom plate of the sliding groove 210, and the other end of the spring 272 leans against the material cutter. Because when trimming the demoulding product, it is necessary to produce a dislocation to realize the gap between the pressing block 24 and the trimming block 23. There is a shear force between them, and after the positioning block 12 drives the demoulding product to push the pressing block 24 to slide upwards, the leftovers can be cut off, and the demoulding product is therefore stuck on the pressing block 24, and the pressing force will be pressed by the return elastic force of the spring 272. Pushing down the material block 24 can restore the position of the pressure device to the original position and push out the processed demoulding product, avoiding the need to take out the processed demoulding product, and improving the continuous working efficiency of the entire device.

When cutting off scraps, in order to ensure that the excess parts cut off meet the processing size requirements, two trimming blocks 23 are symmetrically installed on the upper die base 21 relative to the binder block 24, and cutting edges are provided on the trimming blocks 23. Under the promotion of power, the leftover material is cut off, and the sliding channel is moved between the two trimming blocks 23, so that the binder block 24 will not shake during the sliding process, and the processing size can be guaranteed to meet the use requirements during the processing.

In order to reliably install the upper mold assembly 2 and the lower mold assembly 1 on the press during installation, and to lift the upper mold assembly 2 and the lower mold assembly 1 more conveniently, the upper mold base 21 and the lower mold base 11 is provided with two symmetrical peg posts 3 on the outer surface near the two end surfaces, which are used for bolting the lifting rope during hoisting.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (7)

1. A trimming die for automotive reinforcements, comprising a lower die assembly (1) and an upper die assembly (2), characterized in that: the lower die assembly (1) includes a lower die base (11), two a positioning block (12), a plurality of limiting components (15), the lower mold base (11) includes a concave installation part (111) in the middle and guide parts (112) located at both ends of the installation part (111), wherein The middle part of the installation part (111) is provided with a bar-shaped avoidance hole (1110), and two positioning blocks (12) are symmetrically installed on the installation part (111) relative to the avoidance hole (1110). The limit block (13); the guide part (112) is provided with a guide groove (1120) opening outwards, and a guide column (14) is arranged in the guide groove (1120), and the limit assembly (15) is installed on the guide on the guide parts (112) on both sides of the groove (1120); The upper die assembly (2) comprises an upper die base (21), two trimming blocks (23), two binder blocks (24), and the middle part of the upper die base (21) is provided with a slide groove ( 210), the middle part of the sliding groove (210) is equipped with a cutting blade, and two pressing blocks (24) are symmetrically installed in the sliding groove (210) relative to the cutting blade, and the pressing block (24) passes through the guiding mechanism (26) 1. The travel limit mechanism (25) and the return mechanism (27) are reciprocally slidably installed on the bottom plate of the slide groove (210); the two trimming blocks (23) are symmetrically installed on the upper die on the base (21); the two ends of the upper mold base (21) are provided with guide lugs (22) that match the guide grooves (1120), and the middle of the guide lugs (22) are provided with guide columns (14) Compatible guide holes (220). 2. A trimming mold for automotive reinforcements according to claim 1, characterized in that: the guide mechanism (26) includes a plurality of guide rods (261) and a plurality of corresponding guide sleeves (262), wherein Guide rod (261) is affixed to the base plate of sliding groove (210), and guide sleeve (262) is affixed on the binder block (24), and guide sleeve (262) is slidably matched with guide rod (261). 3. A trimming mold for automotive reinforcements according to claim 1, characterized in that: the stroke limit mechanism (25) includes a stroke limit sleeve (251), a locking rod (252) and a lock nut (253), the lock nut (253) is fixedly connected to the bottom surface of the upper mold base (21), the travel limit sleeve (251) is slidably installed on the binder block (24), and the lock rod (252) locks with locking nut (253) behind the travel limit sleeve (251). 4. A trimming mold for automotive reinforcements according to claim 1, characterized in that: the return mechanism (27) includes a mounting column (271) and a spring (272), and the mounting column (271) is fixedly connected to On the bottom plate of the sliding groove (210), the height of the mounting column (271) is smaller than the height of the spring (272), the spring (272) is sleeved on the mounting column (271), and one end of the spring (272) is against the sliding groove On the base plate of (210), the other end of spring (272) leans against on the material cutter. 5. A trimming mold for automotive reinforcements according to any one of claims 1-4, characterized in that: the limit assembly (15) includes a positioning plate (151) and a positioning column (152), the The positioning plate (151) is fixed on the guide portion (112), and the positioning column (152) is installed on the guiding portion (112) on one side of the positioning plate (151), and the positioning column (152) is covered with a protective sleeve (153). 6. A trimming mold for automotive reinforcements according to claim 5, characterized in that: the two sides of the lower mold base (11) are symmetrically provided with collecting plates (16), and the collecting plates (16) are located Between the guide parts (112) of the lower mold base (11) and against the side faces of the positioning block (12). 7. A trimming mold for automobile reinforcement parts according to claim 5, characterized in that: the outer surfaces of the upper mold base (21) and the lower mold base (11) near the two end surfaces are provided with two symmetrical peg (3).