CN208067065U - Side deburring, deburring and punching double-piece composite die - Google Patents

Abstract

A composite mold for side trimming and punching, a two-part composite mold for side trimming, trimming and punching, in which a punch, a trimming cutter, and a side trimming mechanism are installed together through the upper and lower surface positioning dies In the set of molds, the purpose of one-time positioning of long strip tools and simultaneous completion of multiple processes is realized, thereby reducing the number of upper and lower dies of the workpiece, improving the processing dimensional accuracy, reducing the amount of molds and presses, and greatly reducing equipment investment. One mold with two workpieces improves production efficiency, generally saves a lot of energy, reduces production costs, improves the quality stability of workpieces, and is beneficial to consumers.

Description

Two-piece composite mold for side trimming, trimming and punching

technical field

The utility model relates to the technical field of automobile parts processing, in particular to a side trimming, trimming and punching two-piece composite mold.

Background technique

Most of the automobile components are manufactured by stamping and forming of steel plates. Some automobile parts are elongated structures. Generally, they are stamped and formed first, and then trimming, side trimming, punching and other processes can complete the manufacture of the workpiece. The prior art For edge trimming, side trimming, and punching, multi-process processing is basically achieved through different molds. Each process requires a set of molds and a press, which requires a huge investment in equipment and takes up a large area of the workshop. At the same time Multiple processing requires multiple positioning, and it is easy to cause the problem of unstable processing quality of the workpiece. The workpiece needs to be loaded and lowered repeatedly, and the production efficiency is also low. Generally speaking, it is a waste of energy and the production cost remains high. This problem needs to be solved.

Utility model content

In order to solve the above problems, the utility model proposes a side trimming, trimming and punching two-part composite mold.

The technical scheme of the utility model is: a side trimming, trimming and punching two-piece composite mold, including an upper mold part and a lower mold part, and is characterized in that:

The upper mold part includes an upper mold base and two mold cavities symmetrically arranged on the upper mold base, and two sets of side trimming, trimming and punching composite mold components are arranged symmetrically in the two mold cavities.

There are several oblong punches, return springs and upper surface positioning molds that are movably installed on the upper mold base in each cavity, and several oblong punching holes are arranged in the middle of the upper pressing block. The plurality of punching punches correspondingly penetrate into each punching hole; a plurality of limit stops are arranged on the edge of the mold cavity, and the edge of the stopper protrudes into the mold cavity to control the stroke of the upper surface positioning die , the return spring is supported between the upper surface positioning mold and the top surface of the mold cavity, and the side of the upper surface positioning mold and the side surface of the mold cavity is a sliding mating surface;

There are two vertical trimming knives on the edge of the cavity on the outside of the positioning mold on the upper surface, and one vertical trimming knife on the edge of the cavity is distributed on the inside of the positioning mold on the upper surface, between the side of the vertical cutter and the side of the upper pressing block For the mating surface;

A side trimming mechanism is provided at one end of the mold cavity. The side trimming mechanism includes a fixed seat and a movable slider. The upper part of the fixed seat is fixedly connected with the upper mold seat. The upper part of the block is a slide bar installed as the chute, the lower part of the movable slider is an inclined driving visor, the side of the movable slider is an inclined cutter installation surface, and a cutter is arranged on the installation surface. The lower end is provided with a stop body, and the upper end of the stop body is fixed on the side of the fixing seat;

The lower mold assembly includes a lower mold base, two lower surface positioning molds symmetrically arranged on the lower mold, the upper surface of each lower surface positioning mold and the lower surface of the upper surface positioning mold are mutually matched in shape The surface of the two forms the clamping and fixing of the workpiece; there are several punching and blanking holes in the positioning mold of the lower surface, and the several punching shape positions described in the several punching and blanking holes correspond one by one. On both sides of the positioning mold of each lower surface, there are strip-shaped trimming blanking holes and blanking slopes.

The two ends of the lower surface positioning mold are provided with workpiece introduction and positioning vertical bars, the upper part of the vertical bar is an arc-shaped introduction surface, and the lower part is a vertical plane positioning surface; the side part of one end of the lower surface positioning mold There is a side trimming lower seat corresponding to the position of the side trimming mechanism, the upper surface of the side trimming lower seat is an inclined driving surface B, and the driving surface B is consistent with the inclination angle of the above-mentioned driving surface A;

Both ends of the upper mold base and the lower mold base are provided with matched mold clamping guide mechanisms and buffer pads.

Preferably, the guide mechanism includes a square sliding body protruding downward from both ends of the upper mold base and a square sliding groove at both ends of the lower mold base. The side of the sliding body and the side of the sliding groove are sliding mating surfaces. There are two vertical sliding sleeve holes, and two sliding rods protruding upward are provided in the middle of the sliding groove. The two sliding rods are inserted into the two sliding sleeve holes to form a vertical sliding pair. The buffer pad is located on the lower mold the four corners of the seat.

Preferably, a vertically extending side guide rod is provided on the side of the side trimming lower seat of the lower mold base, and the side of the side guide rod is in sliding fit with the side of the movable slider of the side trimming mechanism.

Technical effect of the utility model

The side trimming, trimming and punching two-part composite mold of the utility model installs the punching punch, the trimming cutter and the side trimming mechanism in a set of molds through the upper and lower shape surface positioning dies, so as to realize the long strip shape. One-time positioning of the tool and synchronous completion of multiple processes, thereby reducing the number of upper and lower molds of the workpiece, improving the processing dimensional accuracy, reducing the amount of molds and presses, and greatly reducing equipment investment. One mold with two workpieces improves the Production efficiency generally saves a lot of energy, reduces production costs, improves the quality stability of workpieces, and is beneficial to consumers.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of side trimming, trimming and punching two-piece composite mold;

Fig. 2 is the schematic diagram of the front view structure of the separation state of the upper and lower molds of the composite mold;

Fig. 3 is one of the three-dimensional structural schematic diagrams of the upper mold part;

Fig. 4 is the second three-dimensional structure schematic diagram of upper mold part;

Fig. 5 is the schematic diagram of Fig. 3 after removing the upper shape surface positioning mold;

Fig. 6 is the schematic diagram of the structure after removing the upper shape surface positioning mold in Fig. 4;

Fig. 7 is one of the three-dimensional structural schematic diagrams of the upper surface positioning mold;

Fig. 8 is the second three-dimensional structure schematic diagram of the upper surface positioning mold;

Fig. 9 is the front view of side trimming mechanism;

Fig. 10 is a schematic diagram of the A-A sectional structure of Fig. 9;

Fig. 11 is one of the three-dimensional structural schematic diagrams of the side trimming mechanism;

Fig. 12 is the second perspective view of the side trimming mechanism;

Fig. 13 is one of the three-dimensional structural schematic diagrams of the lower mold part;

Fig. 14 is the second three-dimensional structural schematic diagram of the lower mold part;

Fig. 15 is a three-dimensional structural schematic diagram of workpiece introduction and positioning vertical rod;

In the figure 1. Upper mold part, 2. Lower mold part,

11. Upper mold base, 12. Mold cavity, 13. Trimming knife, 14. Limiting block, 15. Punching punch, 16. Return spring, 17. Side trimming mechanism, 18. Square sliding body, 19. Slider Hole set, 20. upper shape surface positioning die, 201. punching and blanking hole, 202. upper shape surface positioning surface, 203. sliding surface, 171. fixed seat, 172. movable slider, 173. sliding surface, 174. Stop body, 175. slide bar, 176. chute, 177. cutter mounting surface, 21. lower mold base, 22. lower profile surface positioning die, 23. cutting edge blanking hole, 24. blanking slope, 25 .Side edge lower seat, 26. Side guide rod, 27. Sliding groove, 28. Sliding rod, 29. Cushion pad, 211. Workpiece introduction and positioning vertical bar, 2111. Leading surface, 2112. Positioning surface.

Detailed ways

Embodiment 1: Referring to Fig. 1-15, a side trimming, trimming and punching two-piece composite mold includes an upper mold part and a lower mold part, and is characterized in that:

The upper mold part includes an upper mold base and two mold cavities symmetrically arranged on the upper mold base, and two sets of side trimming, trimming and punching composite mold components are arranged symmetrically in the two mold cavities.

There are several oblong punches, return springs and upper surface positioning molds that are movably installed on the upper mold base in each cavity, and several oblong punching holes are arranged in the middle of the upper pressing block. The plurality of punching punches correspondingly penetrate into each punching hole; a plurality of limit stops are arranged on the edge of the mold cavity, and the edge of the stopper protrudes into the mold cavity to control the stroke of the upper surface positioning die , the return spring is supported between the upper surface positioning mold and the top surface of the mold cavity, and the side of the upper surface positioning mold and the side surface of the mold cavity is a sliding mating surface;

There are two vertical trimming knives on the edge of the cavity on the outside of the positioning mold on the upper surface, and one vertical trimming knife on the edge of the cavity is distributed on the inside of the positioning mold on the upper surface, between the side of the vertical cutter and the side of the upper pressing block For the mating surface;

A side trimming mechanism is provided at one end of the mold cavity. The side trimming mechanism includes a fixed seat and a movable slider. The upper part of the fixed seat is fixedly connected with the upper mold seat. The upper part of the block is a slide bar installed as the chute, the lower part of the movable slider is an inclined driving visor, the side of the movable slider is an inclined cutter installation surface, and a cutter is arranged on the installation surface. The lower end is provided with a stop body, and the upper end of the stop body is fixed on the side of the fixing seat;

The lower mold assembly includes a lower mold base, two lower surface positioning molds symmetrically arranged on the lower mold, the upper surface of each lower surface positioning mold and the lower surface of the upper surface positioning mold are mutually matched in shape The surface of the two forms the clamping and fixing of the workpiece; there are several punching and blanking holes in the positioning mold of the lower surface, and the several punching shape positions described in the several punching and blanking holes correspond one by one. On both sides of the positioning mold of each lower surface, there are strip-shaped trimming blanking holes and blanking slopes.

The two ends of the lower surface positioning mold are provided with workpiece introduction and positioning vertical bars, the upper part of the vertical bar is an arc-shaped introduction surface, and the lower part is a vertical plane positioning surface; the side part of one end of the lower surface positioning mold There is a side trimming lower seat corresponding to the position of the side trimming mechanism, the upper surface of the side trimming lower seat is an inclined driving surface B, and the driving surface B is consistent with the inclination angle of the above-mentioned driving surface A;

Both ends of the upper mold base and the lower mold base are provided with matched mold clamping guide mechanisms and buffer pads.

The guide mechanism includes a square sliding body protruding downward from both ends of the upper mold base and a square sliding groove at both ends of the lower mold base. The side of the sliding body and the side of the sliding groove are sliding mating surfaces. There are two sliding sleeve holes extending upwards in the middle of the sliding groove. The two sliding rods are inserted into the two sliding sleeve holes to form a vertical sliding pair. The buffer pads are located at the four corners of the lower mold base. .

The side of the side trimming lower seat of the lower mold base is provided with a vertically stretched side guide rod, the side of the side guide rod is slidingly fitted with the side of the movable slider of the side trimming mechanism, and the movement is given from the side. The slider provides a guiding and limiting function to ensure the stability of the sliding movement.

When the mold is in use, the left and right workpieces are symmetrically placed on the lower surface positioning mold of the lower mold part. The two ends of the workpiece slide in and position through the workpiece introduction and positioning vertical rods. Clamp the workpiece with the positioning die on the lower surface, and then the upper die part continues to move downward, the positioning die on the upper die squeezes the return spring to shrink into the cavity, and the inner punch and the outer trimming knife continue to move along with the upper die base. Going down, passing through the workpiece, completing the work of punching and blanking and trimming and blanking. At the same time, the driving face A of the movable slider of the side trimming mechanism contacts the driving face B of the side trimming lower seat of the lower mold part, and then Drive the movable slider to slide, the side cutter passes through the workpiece to complete the work of side trimming, and a set of molds completes the work of three processes.

Claims (3)

1. a kind of side deburring, deburring and punching double-piece composite die, including part of the upper die and part of the lower die, it is characterized in that：

The part of the upper die includes upper die holder, symmetrically arranged two die cavitys of upper die holder, and cloth is symmetrically equipped in two die cavitys It is equipped with two sets of side deburrings, deburring and punching hole composite die component,

Several oblong pierce punches for being equipped in each die cavity, resetting spring and be movably arranged on upper die holder upper shape face it is fixed Position mould is equipped with several oblong punchings at the middle part of upper holder block, several described pierce punches are corresponding to penetrate each punching Hole；Several limited blocks are equipped at the edge of die cavity, block edge reaches in die cavity for controlling shape face positioning mould Stroke, resetting spring are supported between shape face positioning mould and die cavity top surface, the side of upper shape face positioning mould and die cavity side it Between to be slidably matched face；

On the outside of the positioning mould of upper shape face, cavity side is distributed in vertical edge-trimming cutter cavity side along there are one vertical edge-trimming cutter there are two It is mating surface on the inside of the positioning mould of upper shape face, between vertical cutter side and upper holder block side；

It is equipped with side trimming mechanism in one end side of die cavity, which includes fixed seat, movable slider, fixed seat top It is fixedly connected with upper die holder, for inclined-plane and equipped with inclined sliding slot below fixed seat, movable slider top is installation such as the sliding slot Draw runner, be inclined driving vizard below movable slider, the side of movable slider is inclined cutter mounting surface, the installation Face is equipped with cutter, is equipped with backstop in the lower end of sliding slot, which is fixed on the side of fixed seat；

The lower mold assemblies include lower die holder, symmetrical two lower shape face positioning moulds being arranged in lower die, each lower shape face The upper surface of positioning mould and the lower surface of upper shape face positioning mould are the surface that shape matches each other, and the two forms the clamping to workpiece It is fixed；Several punching and blanking holes, several punchings described in several punching and blanking holes are equipped in the positioning mould of lower shape face Shaped position corresponds, and trimming material-dropping hole and the blanking slope of strip are equipped in the both sides of each lower shape face positioning mould,

The both ends of the lower shape face positioning mould are equipped with workpiece and import and position montant, which is the approaching face of arc, Lower part is the positioning surface of vertical plane；In lower shape face, the side of one end of positioning mould is equipped with side corresponding with lateral incision side mechanism position Seat under trimming, the upper surface of seat is inclined drive surface second, the inclination angle of drive surface second and above-mentioned driving vizard under the lateral incision side Unanimously；

The molding guiding mechanism and cushion pad to match each other is equipped at the both ends of upper die holder and lower die holder.

2. a kind of side deburring according to claim 1, deburring and punching double-piece composite die, it is characterised in that：Described Guiding mechanism includes the rectangular slide mass that upper die holder both ends extend downwardly and the rectangular sliding groove at lower die holder both ends, slides body side surface Be to be slidably matched face with sliding groove side, set that there are two vertical sliding sleeving holes in the middle part of slide mass, be equipped in the middle part of sliding groove to Two sliding bars of upper stretching, two sliding bars, which are inserted into two sliding sleeving holes, forms vertical sliding pair, the cushion pad position In the quadrangle of lower die holder.

3. a kind of side deburring according to claim 1, deburring and punching double-piece composite die, it is characterised in that：In lower die The side of seat is equipped with the side guide rod vertically extended, the side of the side guide rod and the side trimming mechanism under the lateral incision side of seat Movable slider side be slidably matched.