CN210907440U - High-precision extrusion forming die - Google Patents

Abstract

The utility model discloses a high-precision extrusion forming die, which comprises a punch head structure, a clamp module and a bottom plate, wherein the bottom plate is fixed on a stamping platform; the punch structure comprises a top plate, a punch fixing plate and an upper punch, wherein the top plate is connected with a punch rod of the punch, the punch fixing plate is fixed below the top plate, and the upper punch is fixed on the punch fixing plate; the clamp module comprises a lower plate, a slide block fixing plate, a slide block group, a side limiting block and a first spring, wherein the lower plate is fixed above the bottom plate, the slide block group comprises two slide blocks which are oppositely arranged along the sliding direction, the opposite first ends of the two slide blocks are respectively provided with an open slot, and the two open slots are combined to form a product slot; two sides of the sliding block are respectively provided with a sliding block fixing plate fixed to the upper surface of the lower plate, and two ends of the lower plate corresponding to two ends of the sliding block group are provided with side limiting blocks; inclined blocks are arranged at two ends of the punch structure. The utility model discloses optimize product clamping operation, save process time, practice thrift the cost, improved production efficiency.

Description

A high-precision extrusion molding die

technical field

The utility model relates to a mold, in particular to a high-precision extrusion molding mold.

Background technique

With economic development and social progress, aluminum products are widely used in construction, transportation, electronic appliances, aerospace and other industries. The consumption of metal products is second only to steel, because of its large demand and in order to adapt to The development needs of various industries have higher and higher requirements for the strength and precision of aluminum products. Extrusion molding is the leading technology and core link of aluminum product production, and extrusion molding die is the key equipment for aluminum product extrusion molding.

At present, the traditional molding method of "smart wearable" products is processed by machining centers. The product structure is special and the shape is complex. CATO CTL-800 machining center is used for single-piece processing, manual disassembly, and locking. From machining to finishing, there are many machining tools and long process time, and because the 3D arc surface area of this product is large, and the processing of 3D arc surface cannot be processed with conventional milling cutters, only spherical milling cutters can be used for curved surfaces. Although 3-axis linkage processing can meet the product requirements, the processing time is long, resulting in high frequency of tool use, easy wear and tear, and product appearance and size are easily out of tolerance. Therefore, it is particularly important to develop a high-precision extrusion mold.

Utility model content

The technical problem solved by the utility model is to provide a high-precision extrusion molding die, which optimizes the operation mode of product clamping, saves processing time, saves cost, and improves production efficiency.

The technical solution of the present utility model is:

A high-precision extrusion molding die, which includes a punch structure, a clamp module and a bottom plate, the clamp module is arranged above the bottom plate, the punch structure is arranged above the clamp module, and its upper surface is connected to the punch press. The punching rod is connected, and the bottom plate is fixed on the punching platform;

The punch structure includes a top plate, a punch fixing plate and an upper punch, the top plate is connected with the punch rod of the punch, the punch fixing plate is fixed under the top plate, and the upper punch is fixed on the punch. the punch fixing plate;

The clamp module includes a lower plate, a slider fixing plate, a slider group, a side limit block and a first spring, the lower plate is fixed above the bottom plate, and the slider group includes two oppositely arranged along the sliding direction. A sliding block, the first ends of the two sliding blocks are respectively provided with open grooves, and the two open grooves are combined to form a product groove; The slider fixing plate, a chute for limiting the slider is formed between the slider fixing plates, and the side limit blocks are provided at both ends of the lower plate corresponding to the two ends of the slider group. The second end of the slider is provided with a connecting rod, the connecting rod passes through the limit hole on the side limit block, and the first spring is arranged at the end of the side limit block and the connecting rod between ministries;

The two ends of the punch structure are provided with inclined blocks, the inner side of the inclined blocks is provided with a pushing inclined surface, and the second end of the slider is provided with an inclined surface matched with the pushing inclined surface.

The high-precision extrusion molding die as described above, wherein a spring fixing plate is arranged below the punch fixing plate, and a second spring fixing plate is arranged between the spring fixing plate and the punch fixing plate;

The spring fixing plate and the stripping plate are provided with punch holes corresponding to the upper punches, and the inclined blocks are fixed on both sides of the stripping plate.

In the above-mentioned high-precision extrusion molding die, the lower plate is provided with a lower punch.

In the above-mentioned high-precision extrusion molding die, a guide post is provided on the lower plate, and a guide post hole is provided on both the spring fixing plate and the stripping plate.

The high-precision extrusion molding die as described above, wherein an ejector mechanism is arranged between the lower plate and the bottom plate, and the ejector mechanism is arranged below the product groove corresponding to the bottom plate, corresponding to the The position of the movable end of the ejector mechanism is provided with a ejector rod, and the movable end can push the lower end of the ejector rod.

In the above-mentioned high-precision extrusion molding die, the ejecting mechanism is provided with a cylinder, a cylinder connecting plate is provided above the cylinder, and a guide column is provided on the cylinder connecting plate.

In the above-mentioned high-precision extrusion molding die, the bottom plate is provided with a limit column, and the limit column limits the maximum distance of the top plate's downward pressure, thereby limiting the maximum distance of the upper punch's downward pressure.

In the above-mentioned high-precision extrusion molding die, a support plate is arranged on the base plate, and the support plates are at least one group and are symmetrically arranged on the base plate.

Known from the above description, compared with the prior art, the present utility model can indeed achieve the following effects:

In the high-precision extrusion molding die of the utility model, the product groove is formed by opening open grooves at the relative positions of the two sliders of the slider group, and at the same time, the other two ends of the slider group are provided with side limit blocks, and the side limit blocks pass through The connecting rod and the slider are connected, and a second spring is arranged on the connecting rod. The slider group is squeezed by the inclined blocks at both ends of the punch structure, so that the left and right sliders move toward each other to form a product groove to clamp the product. This structure optimizes the product. The clamping operation method saves processing time and cost; further, by setting the lower punch on the lower plate, the lower punch cooperates with the upper punch to realize a stamping and forming process of 2pcs, the production capacity is increased, and the production efficiency is improved.

Description of drawings

Fig. 1 is the overall schematic diagram of the preferred embodiment of the high-precision extrusion molding die of the present invention;

2 is a schematic diagram of the internal structure of a preferred embodiment of the high-precision extrusion die of the present invention;

Main component label description:

The utility model:

1: Bottom plate 2: Punch structure 21: Top plate

22: Punch fixing plate 23: Upper punch 3: Fixture module

31: Lower plate 32: Slider fixing plate 33: Slider

34: Side limit block 35: First spring 4: Ejector mechanism

41: Cylinder 42: Cylinder connecting plate 43: Movable plate

44: Cylinder guide column 45: Ejector rod 51: Spring fixing plate

52: Second spring 53: Stripper 6: Oblique block

7: Lower punch 8: Guide post 9: Limit post

10: Support plate

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention will now be described with reference to the accompanying drawings.

A high-precision extrusion molding die, in its preferred embodiment, please refer to FIG. 1 and FIG. 2 , which are schematic structural diagrams of a preferred embodiment of a high-precision extrusion molding die of the present invention. A high-precision extrusion die of the utility model includes a punch structure 2 , a clamp module 3 and a base plate 1 , the clamp module 3 is arranged above the base plate 1 , and the punch structure 2 is arranged on the clamp module 3 . Above, its upper surface is connected with the punch of the punching machine, the bottom plate 1 is fixed on the punching platform; the punch structure 2 includes a top plate 21, a punch fixing plate 22 and an upper punch 23, the top plate 21 and the The punches of the punch press are connected, the punch fixing plate 22 is fixed below the top plate 21, the upper punch 23 is fixed on the punch fixing plate 22; the clamp module 3 includes a lower plate 31, a slider The fixed plate 32, the slider group, the side stop block 34 and the first spring 35, the lower plate 31 is fixed above the bottom plate 1, the slider group includes two sliders 33 arranged opposite to each other along the sliding direction, The opposite first ends of the two sliding blocks 33 are respectively provided with open grooves, and the two open grooves are combined to form a product groove; The slider fixing plate 32, a chute for limiting the slider 33 is formed between the slider fixing plate 32, and the side limiters are provided at both ends of the lower plate 31 corresponding to the two ends of the slider group Block 34, the second end of the slider 33 is provided with a connecting rod, the connecting rod passes through the limit hole on the side limit block 34, and the first spring 35 is arranged on the side limit block 34 and the end of the connecting rod; the two ends of the punch structure 2 are provided with inclined blocks 6, the inner side of the inclined blocks 6 is provided with a pushing inclined surface, and the second end of the slider 33 is provided with A bevel that cooperates with the pushing bevel. As shown in FIG. 1 and FIG. 2 , a high-precision extrusion molding die of the present invention forms a product groove by setting open grooves at the relative positions of the two sliders 33 of the slider group, and the two sliders 33 can be fixed along the The sliding grooves formed by the slider fixing plate 32 on both sides of the upper surface of the lower plate 31 slide left and right, and the other two ends of the slider group are provided with side limit blocks 34, and the side limit blocks 34 are connected with the slider 33 through the connecting rod. , the first spring 35 is arranged between the side limit block 34 and the end of the connecting rod; the slider fixing plate 32 can not only limit the movement of the slider 33 in a predetermined direction, but also ensure that the slider 33 is close to the lower plate 31 Setting, the two sliders 33 in the slider group are oppositely arranged in the chute, during the moving process, the product slot can be opened and merged to form a product slot for use in different stages of product taking out or clamping. The side limiting blocks 34 provided at the outer ends of the slider group are used to limit the maximum range of the slider 33 when it is separated and slides outward, and will not be separated from the upper surface of the lower plate 31 . The first spring 35 is arranged between the outer side of the side stop block 34 and the end of the connecting rod, and the two sliders 33 can be kept separated and opened by the elastic force of the spring when no external force acts. When the punch press is started, the punch press drives the top plate 21, the upper punch 23 and the inclined block 6 to press down, and the pressing inclined surface of the inclined block 6 first contacts the inclined surface of the second end of the slider 33, so that the left and right sliders 33 move toward each other. The product groove is formed to clamp the product, to ensure that the product is tightly locked in the product groove and will not shake, so as to ensure that the upper punch 23 descends to extrude the product; further, when the product is extruded, close the Punching machine, the top plate 21 is pulled up by the punching machine to return to the initial position, the inclined block 6 moves upward away from the slider 33, due to the elastic force of the first spring 35, the left and right sliders 33 are pulled apart to both sides, and the product can be taken out.

As mentioned above, in a preferred embodiment of the high-precision extrusion molding die of the present invention, a spring fixing plate 51 is provided below the punch fixing plate 22, and the spring fixing plate 51 is fixed to the punch. A second spring 52 is arranged between the plates 22 for fixing; a stripping plate 53 is fixed below the spring fixing plate 51 , and the spring fixing plate 51 and the stripping plate 53 are provided with corresponding upper punches 23 . The punch hole, the inclined blocks 6 are fixed on both sides of the stripping plate 53 . As shown in FIG. 1 and FIG. 2 , the second spring 52 , the spring fixing plate 51 and the stripping plate 53 form an upper stripping structure for pulling up the top plate 21 on the punching machine after the extrusion molding of the product is completed. During the reset process, the product that may be stuck on the upper punch 23 is pushed downward. For example, when extruding the product, first put the product to be processed into the product tank, start the hydraulic punch, press down the top plate 21, and drive the upper punch 23, the spring fixing plate 51, the ejecting plate 53 and the inclined block 6 down. Pressing, the pressing inclined surface of the inclined block 6 first contacts the inclined surface of the second end of the slider 33, so that the left and right sliders 33 move towards each other to form a product groove to clamp the product, the ejector plate 53 is pressed down, and the upper punch 23 continues to press down When the product is formed, when the top plate 21 and the upper punch 23 return to their original positions, the compressed second spring 52 slowly returns to the normal state. Due to the action of the second spring 52, the ejector plate 53 lags behind the top plate 21 and rises Therefore, the upper punch 23 will retract into the ejector plate 53, and the products that may be stuck on the punch will be pushed down by the lower surface of the ejector plate 53, completing the ejection from the upper punch 23. The return operation facilitates the subsequent removal of the product; it also prevents the product from being brought out during the return process of the upper punch 23 and dropped in the middle, resulting in the possibility of breaking the product.

In a preferred embodiment of the high-precision extrusion molding die of the present invention as described above, the lower plate 31 is provided with a lower punch 7 . As shown in Figures 1 and 2, the lower plate 31 is provided with a lower punch 7, the upper punch 23 squeezes the upper half of the product and pushes the product downward, and the downward pressure of the product causes the lower punch 7 to squeeze the lower half of the product The upper punch 23 and the lower punch 7 act at the same time, so that 2pcs can be processed by one punching, the production capacity is increased, and the production efficiency is improved.

As mentioned above, in the preferred embodiment of the high-precision extrusion molding die of the present invention, the lower plate 31 is provided with a guide post 8, and the spring fixing plate 51 and the ejection plate 53 are both provided with guide posts 8. There are guide holes. As shown in FIG. 1 and FIG. 2 , the guide post 8 is arranged on the lower plate 31 , which can limit and guide the lifting balance of the spring fixing plate 51 and the ejecting plate 53 so as not to be skewed; in addition, the guide post 8 It can be set to be longer, and the punch fixing plate 22 is provided with a guide post hole, so that the upper punch 23 and the lower punch 7 are properly matched during the up and down movement of the punch fixing plate 22 along the guide post 8 .

As mentioned above, in a preferred embodiment of the high-precision extrusion molding die of the present invention, an ejector mechanism 4 is provided between the lower plate 31 and the bottom plate 1, and the ejector mechanism 4 corresponds to the The bottom of the product trough is provided, and a ejector rod 45 is provided in the bottom plate 1 at a position corresponding to the movable end of the ejector mechanism 4 , and the movable end can push the lower end of the ejector rod 45 . As shown in FIG. 1 and FIG. 2 , a ejector mechanism 4 is provided between the lower plate 31 and the bottom plate 1. When the product is completely stamped and formed, the ejector plate 53 leaves the slider 33, and the left and right sliders 33 are pulled to both sides. After opening, the movable end of the ejector mechanism 4 moves upward until it pushes the ejector rod 45 to move upward, and finally the product that may be stuck on the lower punch 7 is ejected, and then the movable end of the ejector mechanism 4 returns, and the ejector The rod 45 is returned to the original position, and the cyclic operation is performed in this way, the operation is simple, the processing time is greatly reduced, and the cost is saved.

As mentioned above, in a preferred embodiment of the high-precision extrusion molding die of the present invention, the ejector mechanism 4 is provided with a cylinder 41, and a cylinder connecting plate 42 is arranged above the cylinder 41, and the connecting plate of the cylinder 41 is provided. There are guide posts on it. As shown in Figures 1 and 2, the ejector rod 45 is pushed up along the guide column through the linkage action of the movable plate 43 and the air cylinder 41 until the molded product is completely ejected, and the ejector rod 45 returns to the original position. Cyclic operation, simple operation, greatly reducing processing time and saving costs.

As mentioned above, in a preferred embodiment of the high-precision extrusion molding die of the present invention, the bottom plate 1 is provided with a limit post 9, and the limit post 9 limits the maximum distance that the top plate 21 is pressed down, thereby limiting the upper The maximum distance that the punch 23 is pressed down. As shown in Figures 1 and 2, the bottom plate 1 is provided with a limit post 9. When the upper punch 23 is pressed down to the maximum pressure that the product bears, the top plate 21 is restricted by the limit post 9, preventing the top plate 21 from continuing to press down. Make it punch the product blank according to the preset product size to avoid crushing the product.

As mentioned above, in a preferred embodiment of the high-precision extrusion molding die of the present invention, the bottom plate 1 is provided with a supporting plate 10, and the supporting plates 10 are at least one set and symmetrically arranged on the bottom plate. 1 on. As shown in FIG. 1 and FIG. 2 , a support plate 10 is provided on the bottom plate 1 , mainly for supporting and fixing the punch structure 2 and the clamping mechanism.

A high-precision extrusion molding die of the present utility model, please refer to FIG. 1 and FIG. 2, and now take the aforementioned preferred embodiment as an example, the process and principle of its work will be described, specifically as follows:

The high-precision extrusion molding die of the present invention includes a top plate 21 , a punch fixing plate 22 , an upper punch 23 , a second spring 52 , a spring fixing plate 51 , a return plate 53 , a slider group, and a slider fixing plate 32 , lower plate 31, lower punch 7, support plate 10, bottom plate 1, limit post 9, side limit block 34, first spring 35, inclined block 6, cylinder 41, cylinder connection block, movable plate 43, guide post 8. The cylinder guide column 44 and the ejector rod 45, wherein the bottom plate 1 is fixed on the working platform of the punch press, the cylinder 41, the limit column 9 and the support plate 10 are fixed on the bottom plate 1, and the cylinder 41 is provided above the cylinder connecting plate 42, movable The plate 43, the cylinder guide column 44 and the ejector rod 45, the limit column 9 limits the maximum distance of the top plate 21 pressing down, thereby limiting the maximum pressing distance of the upper punch 23, so as to avoid crushing the product, and the lower plate 31 is fixed on the support plate 10, the lower plate 31 is provided with a top material hole and a guide post 8, the lower punch 7 is fixed on the lower plate 31, the slider group is located above the lower plate 31, and the slider group includes two sliders arranged oppositely along the sliding direction 33. The opposite first ends of the two sliding blocks 33 are respectively provided with open grooves, and the two open grooves are combined to form a product groove. A chute for the limit slider 33 is formed between the fixed plates 32 , and side limit blocks 34 are provided at both ends of the lower plate 31 corresponding to the two ends of the slider group. The slider 33 and the side limit blocks 34 are connected by screws and a first spring. 35 are connected, the upper part of the slider 33 is provided with a stripping plate 53, the two sides of the stripping plate 53 are provided with inclined blocks 6, the spring fixing plate 51 is fixed on the stripping plate 53, the upper part is provided with a punch fixing plate 22, and a spring fixing plate There is a second spring 52 between 51 and the punch fixing plate, the upper punch 23 is fixed on the punch fixing plate, the punch fixing plate and the lower plate 31 are connected by the guide post 8, wherein the spring fixing plate 51 and the ejection plate 53 are provided with punch holes and guide post holes. The top plate 21 is fixed on the punch fixing plate and is connected to the punch; when extruding the product, first put the product to be processed into the product groove, start the punch, and press the top plate 21 down , drive the upper punch 23, the spring fixing plate 51, the ejecting plate 53 and the inclined block 6 to press down, the pressing inclined surface of the inclined block 6 first contacts the inclined surface of the second end of the slider 33, so that the left and right sliders 33 move toward each other The product groove is formed to clamp the product, the return plate 53 is pressed down to the pressing slider 33, the upper punch 23 continues to press down, the upper punch 23 squeezes the upper half of the product and presses the product down, and the product is pressed down to promote The lower punch 7 extrudes the lower half of the product, the lower half is extruded, and the upper punch 23 continues to press down until the product is completely formed; when the punch is closed, when the top plate 21 and the upper punch 23 return to their original positions, the compressed The second spring 52 slowly returns to the normal state, and the inclined block 6 moves upwardly away from the slider 33 along with the ejection plate 53. Due to the elastic force of the first spring 35, the left and right sliders 33 are pulled away to both sides, and the distance is affected by the side The limit block 34 is limited; the air cylinder 41 is activated, and the ejector rod 45 is pushed up along the guide column through the linkage action of the movable plate 43 and the air cylinder 41 until the formed product is completely ejected, the product is taken out, and the ejector rod 45 back to the original position, so the cycle operation is simple, which greatly reduces the processing time and saves the cost.

In the high-precision extrusion molding die of the present invention, a product groove is formed by opening open grooves at the relative positions of the two sliders 33 of the slider group. The block 34 is connected with the slider 33 through a connecting rod, and a second spring 52 is provided on the connecting rod. The slider group is squeezed by the inclined blocks 6 at both ends of the punch structure 2, so that the left and right sliders 33 move toward each other to form product grooves to clamp This structure optimizes the operation mode of product clamping, saves processing time, and saves cost; further, by setting the lower punch 7 on the lower plate 31, the lower punch 7 cooperates with the upper punch 23 to realize one-time stamping and forming can be processed. 2pcs, the production capacity is increased, and the production efficiency is improved.

The above descriptions are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principles of the present invention shall fall within the protection scope of the present invention.

Claims (8)

1. A high-precision extrusion molding die is characterized in that, comprising a punch structure, a clamp module and a base plate, the clamp module is arranged above the base plate, and the punch structure is arranged above the clamp module, which The upper surface is connected with the punch rod of the punching machine, and the bottom plate is fixed on the punching platform; The punch structure includes a top plate, a punch fixing plate and an upper punch, the top plate is connected with the punch rod of the punch, the punch fixing plate is fixed under the top plate, and the upper punch is fixed on the punch. the punch fixing plate; The clamp module includes a lower plate, a slider fixing plate, a slider group, a side limit block and a first spring, the lower plate is fixed above the bottom plate, and the slider group includes two oppositely arranged along the sliding direction. A sliding block, the first ends of the two sliding blocks are respectively provided with open grooves, and the two open grooves are combined to form a product groove; The slider fixing plate, a chute for limiting the slider is formed between the slider fixing plates, and the side limit blocks are provided at both ends of the lower plate corresponding to the two ends of the slider group. The second end of the slider is provided with a connecting rod, the connecting rod passes through the limit hole on the side limit block, and the first spring is arranged at the end of the side limit block and the connecting rod between ministries; The two ends of the punch structure are provided with inclined blocks, the inner side of the inclined blocks is provided with a pushing inclined surface, and the second end of the slider is provided with an inclined surface matched with the pushing inclined surface. 2. A high-precision extrusion molding die according to claim 1, wherein a spring fixing plate is arranged below the punch fixing plate, and a spring fixing plate is arranged between the spring fixing plate and the punch fixing plate. There is a second spring fixed; A stripping plate is fixed below the spring fixing plate, punch holes are provided on the spring fixing plate and the stripping plate corresponding to the upper punches, and the inclined blocks are fixed on both sides of the stripping plate . 3 . The high-precision extrusion molding die according to claim 2 , wherein the lower plate is provided with a lower punch. 4 . 4 . The high-precision extrusion molding die according to claim 3 , wherein a guide post is provided on the lower plate, and a guide post hole is provided on both the spring fixing plate and the stripping plate. 5 . . 5. A high-precision extrusion molding die as claimed in claim 4, characterized in that, an ejector mechanism is arranged between the lower plate and the bottom plate, and the ejector mechanism is arranged corresponding to the bottom of the product groove In the bottom plate, a position corresponding to the movable end of the ejecting mechanism is provided with an ejector rod, and the movable end can push the lower end of the ejector rod. 6 . The high-precision extrusion molding die according to claim 5 , wherein the ejecting mechanism is provided with a cylinder, a cylinder connecting plate is provided above the cylinder, and a guide column is provided on the cylinder connecting plate. 7 . 7. A high-precision extrusion molding die as claimed in claim 6, characterized in that, a limit post is provided on the bottom plate, and the limit post limits the maximum distance of the top plate being pressed down, thereby limiting the amount of pressing down by the upper punch. maximum distance. 8 . The high-precision extrusion molding die according to claim 7 , wherein a support plate is provided on the bottom plate, and at least one set of the support plates is symmetrically arranged on the bottom plate. 9 .

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