CN210876991U - Steel unloading frock mould - Google Patents

Abstract

The utility model relates to the field of cutting tools, in particular to a steel blanking tool die, which comprises a lower die holder, a first die core knife block and a second die core knife block which are arranged on the lower die holder and are oppositely and arranged in a laminating way, wherein the first die core knife block and the second die core knife block are provided with cutting holes which are opposite in parallel and have the cross section shape of steel for the steel to pass through; the first mold core cutter block can move up and down, a return spring is arranged below the first mold core cutter block and used for returning to the position of the cutter block, and the second mold core cutter block is fixed. An upper die fixing seat on the punch moves downwards, a first die core knife block is stressed to extrude a return spring downwards, a second die core knife block is fixed at the original position, the two die core knife blocks are staggered relatively, and the generated shearing force cuts off steel to finish blanking. The utility model has smooth section, no burr, neat appearance, working time saving, energy consumption saving and field saving after cutting; meanwhile, the blanking of channel steel with multiple specifications is realized by one set of die, and the product quality is stable.

Description

Steel unloading frock mould

Technical Field

The utility model relates to a cutting frock field, especially a steel unloading frock mould.

Background

Channel steel blanking requires large-area sites for discharging in traditional machining, then blanking dimension line marks are manually drawn, two-time turning and three-time gas cutting are needed, and finally blanking is completed through polishing of a fillet grinding wheel. Burrs and uneven sections exist after gas cutting, the material error is 3-6 mm, the polishing process is complicated, time and labor are wasted, the process can be completed only by 4 steps, the occupied area is large, the number of devices is large, the production cost is high, and the quality is not easy to control.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: to have burr, section unevenness, error big among the prior art after the gas cutting, the process of polishing after the gas cutting is loaded down with trivial details, the problem that wastes time and energy, provide a steel unloading frock mould, changed traditional processing mode, can realize that the channel-section steel section after the cutting is level and smooth, no burr, the outward appearance is clean and tidy, practices thrift man-hour, practices thrift the energy consumption, practices thrift the place, product quality is stable.

In order to realize the purpose, the utility model discloses a technical scheme be:

a steel blanking tool die comprises a lower die holder, a first die core knife block and a second die core knife block which are arranged on the lower die holder and are opposite and attached to each other, wherein cutting holes which are parallel and opposite and have the cross section shape of steel are formed in the first die core knife block and the second die core knife block, and the steel can pass through the cutting holes; the first mold core cutter block can move up and down, a return spring is arranged below the first mold core cutter block and used for returning to the position of the cutter block, and the second mold core cutter block is fixed. The first mold core cutter block downwards extrudes the reset spring by external force, the second mold core cutter block is fixed at the original position, the two mold core cutter blocks are relatively staggered, the produced shearing force cuts off steel, blanking is completed, the section of the cut steel is flat and has no burrs, and the appearance is clean and tidy.

Furthermore, vertical chutes or convex edges are arranged on the installation side surfaces of the first mold core cutter block and the second mold core cutter block, and correspondingly, the anti-return plates are arranged on the lower mold base and are in sliding fit with the corresponding chutes or convex edges, so that the upper and lower turning-around dual-use can be realized, and the loading, unloading and replacement of the two mold core cutter blocks are facilitated; preferably, the sliding grooves or the convex ridges on the die core knife block are positioned on the vertical central line of the mounting side surface, so that turnover utilization can be further realized, and the die consumption is greatly reduced.

The die core cover plate is detachably connected with the anti-return plate and limits the upward movement of the die core cutter block, and a groove is formed in the die core cover plate and corresponds to the first die core cutter block; the punching machine is characterized by further comprising an upper die fixing seat used for being connected with the punching machine, wherein a force application part is arranged on the upper die fixing seat and is matched with the groove in the die core cover plate. The upper limit positions of the two mold core knife blocks are limited by the mold core cover plate, the second mold core knife block is further fixed, and a notch is reserved to facilitate the downward movement of the upper surface of the first mold core knife block due to the direct action of the upper surface of the first mold core knife block and the force application part. The mold core cover plate can seal the outer body, shield dust fragments and ensure relative smoothness between the two mold cores.

Furthermore, the punching machine further comprises a positioning device, and the positioning device is used for being installed on a workbench surface of the punching machine to position the steel. The positioning device is marked with the size and can adjust the cutting length of the steel, so that the length positioning of the blanking part is realized.

The combined material rack comprises a pulley and a roller, and steel is placed on the combined material rack manually and pushed to feed forwards; not only the steady still reduced operation workman's quantity of pay-off, reduced labour load.

Furthermore, the shape of a cutting hole on the die core cutter block is matched with that of channel steel, angle steel or I-shaped steel; the cutting holes are obliquely arranged, so that the edges and corners are stressed firstly.

When the combined material rack works, a steel workpiece is placed on the combined material rack, the workpiece moves forwards to reach the positioning end of the positioning device through the fixed second mold core cutter block and the movable first mold core cutter block, under the descending action of the punch press, a force application part on an upper mold fixing seat on the punch press is matched with a reserved notch of a mold core cover plate, the surface of the first mold core cutter block reserved out of the mold core cover plate is directly acted through the notch, the first mold core cutter block moves downwards under pressure, a reset spring is extruded, and the movable first mold core cutter block and the fixed second mold core cutter block are sheared in a staggered mode to complete one-time cutting; the punch press moves upwards to return, the first mold core cutter block is stressed to disappear, and the first mold core cutter block also returns upwards under the action of the return spring, so that one-time blanking is completed.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the tooling die changes the traditional processing mode, fixes the relative position of steel on one hand and prolongs the steel cutting contact line on the other hand through the cutting holes on the two die core cutter blocks; after the steel workpiece is cut off by the shearing force, the flat and burr-free section can be achieved, the appearance is neat, manual marking and vertical positioning of the cutting line are not needed, time and labor are saved, and the subsequent positioning is easier and accurate.

2. The die core knife block is in sliding fit with the anti-return plate, so that the die core knife block is convenient to assemble, disassemble and replace; the shape of the cutting hole on the die core cutter block can be manufactured according to different specifications of steel, and further, the blanking of the steel with multiple specifications by one set of die is realized.

3. Prevent that material returned board and mold core apron carry out outside encapsulation to mold core sword piece, can not only shelter from the dust piece, increase mold core sword piece surface smoothness degree, still further make device compact structure, reduced the safety risk.

4. The adjustable positioning device marked with the size is adopted, so that the length is positioned without manual marking, the process is simplified, the precision is improved, and the size of a product is ensured; the material is fed through the pulley mechanism, so that the operation labor is reduced, and the labor intensity of workers is reduced.

5. The utility model discloses can practice thrift production place, production facility and reduce the energy consumption, still shorten production cycle, improve production efficiency, improve product quality, reduction in production cost.

Drawings

Fig. 1 is the utility model discloses a steel unloading frock mould's schematic structure.

FIG. 2 is a side view of a die holder-mounted core block.

FIG. 3 is a schematic cross-sectional view of a mounted core blade.

Fig. 4 is a front view of the retainer plate.

Fig. 5 is a schematic view of a core cover plate structure.

The labels in the figure are: 1-an upper die fixing seat, 2-a lower die seat, 3-a first die core cutter block, 4-a second die core cutter block, 5-a return spring, 6-a die core cover plate, 7-a positioning device, 8-a combined material rack and 9-an anti-return plate.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

A steel blanking tooling die comprises a lower die holder and a first die core cutter block and a second die core cutter block which are arranged on the lower die holder and are opposite and attached, wherein as shown in figure 1, the first die core cutter block and the second die core cutter block are provided with cutting holes which are parallel and opposite and have the cross section shape of steel, and the cutting holes are used for the steel to pass through, and the movement gap between the planes of the two die core cutter blocks can be controlled to be 0.10mm, so that the section is flat and burr-free when the steel is sheared, and the appearance is neat; the first mold core cutter block can move up and down, a return spring is arranged below the first mold core cutter block and used for returning to the position of the cutter block, and the second mold core cutter block is fixed. The die holder is installed on the table surface of punch press, it installs the last mould fixing base on punch press slider ann position die shank to correspond to be provided with it, first mold core sword piece receives the pressure that comes from the punch press, go up the application of force spare and the direct effect of first mold core sword piece upper surface on the mould fixing base, extrude reset spring downwards, second mold core sword piece is fixed in the original position, two mold core sword pieces are crisscross relatively, the shearing force of production cuts off steel, accomplish the unloading, the section after steel is cuted is level and smooth, no burr, the outward appearance is clean and tidy.

As shown in fig. 3 and 4, the mounting side surfaces of the first mold core cutter block and the second mold core cutter block are provided with vertical sliding grooves or protruding ridges, and correspondingly, the lower mold base is provided with a return-preventing plate which is in sliding fit with the corresponding sliding grooves or protruding ridges, so that the upper and lower turning-around dual-use can be realized, and the sliding grooves or protruding ridges on the mold core cutter blocks are positioned on the vertical central line of the mounting side surfaces, so that the turn-over utilization can be further realized. The anti-return plate can be fixed by welding ribbed plates and also can be fixed on the lower die base by bolts. The sliding fit between the die core knife block and the anti-return plate facilitates the replacement of the two die core knife blocks, can realize the cutting of channel steel from No. 6.3-20, and is determined according to the size and specification of a cutting hole of the die core knife block; the mold core cutter block can be used for four times by turning up and down and turning over, so that the mold consumption is greatly reduced.

This embodiment still includes the die core apron, like fig. 5, can dismantle with preventing material returning plate and be connected, and restrict the die core sword piece and go upward, be equipped with the recess on the die core apron, with first die core sword piece corresponds, and the notch width can slightly be less than the length of die core apron upper surface, the recess simultaneously with go up the application of force spare looks adaptation on the mould fixing base. The upper limit positions of the two mold core knife blocks are limited by the mold core cover plate, the second mold core knife block is further fixed, and a notch is reserved to facilitate the downward movement of the upper surface of the first mold core knife block due to the direct action of the upper surface of the first mold core knife block and the force application part. The mold core cover plate can seal the outer body, shield dust fragments and ensure relative smoothness between the two mold cores.

The embodiment further comprises a positioning device, and the positioning device is used for being installed on the working table top of the punch press to position the steel. The positioning device is marked with the size and can adjust the cutting length of steel, the screw fixed on the upright post and the screw rod arranged on the upright post of the positioning device are adjusted to move relatively, the horizontal adjustment can be realized, and the size can be marked on the screw rod or the base to realize the length positioning of the blanking part.

The embodiment also comprises a combined material rack, and the feeding height of the combined material rack is consistent with the height of the feeding cutting hole on the second mold core cutter block. The combined material rack comprises a pulley and a rolling shaft, and steel is placed on the combined material rack manually and pushed to feed forwards; not only the steady still reduced operation workman's quantity of pay-off, reduced labour load.

The shape of the cutting hole on the die core cutter block can be matched with that of the channel steel, and the die core cutter block is also suitable for angle steel or I-steel; the cutting holes are obliquely arranged, so that the edges and corners are stressed firstly, and the workpieces are easier to cut off in the stress point concentration.

This embodiment only needs two people just can accomplish this unloading process, and the work piece precision error of unloading can reach 0.5mm simultaneously, very big reduction workman's intensity of labour, reduced the production facility that uses, shortened production cycle, greatly improved production efficiency, product quality is reliable and stable.

When the combined material rack works, a steel workpiece is placed on the combined material rack, the workpiece moves forwards to reach the positioning end of the positioning device through the fixed second mold core cutter block and the movable first mold core cutter block, under the descending action of the punch press, a force application part on an upper mold fixing seat on the punch press is matched with a reserved notch of a mold core cover plate, the surface of the first mold core cutter block reserved out of the mold core cover plate through the notch directly acts, the first mold core cutter block moves downwards under the pressure of the upper mold fixing seat, a reset spring is extruded, and the movable first mold core cutter block and the fixed second mold core cutter block are sheared in a staggered mode to complete one-time cutting; the punch press moves upwards to return, the first mold core cutter block is stressed to disappear, and the first mold core cutter block also returns upwards under the action of the return spring, so that one-time blanking is completed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The steel blanking tooling die is characterized by comprising a lower die holder (2), and a first die core knife block (3) and a second die core knife block (4) which are arranged on the lower die holder (2) and are opposite and attached to each other, wherein the first die core knife block (3) and the second die core knife block (4) are provided with cutting holes which are parallel and opposite and have the cross section shape of steel; the first mold core cutter block (3) can move up and down, a return spring (5) is arranged below the first mold core cutter block, and the second mold core cutter block (4) is fixed.

2. The steel blanking tooling die of claim 1, wherein vertical sliding grooves or protruding ribs are formed in the mounting side surfaces of the die core cutter blocks (3, 4), and correspondingly, a return-preventing plate (9) is arranged on the lower die holder (2) and is in sliding fit with the corresponding sliding grooves or protruding ribs.

3. The steel blanking tooling die of claim 2, wherein the sliding grooves or the convex ridges on the die core cutter blocks (3, 4) are positioned on the vertical central line of the mounting side surfaces of the die core cutter blocks (3, 4).

4. The steel blanking tooling die of claim 3, further comprising a die core cover plate (6), wherein the die core cover plate (6) is detachably connected with the anti-return plate (9) and limits the upward movement of the die core cutter blocks (3, 4), and a groove is formed in the die core cover plate (6) and corresponds to the first die core cutter block (3); still including last mould fixing base (1) that is used for being connected with the punch press, upward be equipped with the application of force spare on mould fixing base (1), with the recess looks adaptation on the die core apron.

5. A steel blanking tooling die according to claim 1, further comprising a positioning device (7), wherein the positioning device (7) is used for being mounted on a working table of a punch press to position steel.

6. A steel blanking tooling die according to claim 5, characterized in that said positioning means (7) are dimensioned and adjustable for the steel cutting length.

7. The steel blanking tooling die according to claim 5, further comprising a combined material rack (8), wherein the feeding height of the combined material rack (8) is consistent with the height of the feeding cutting holes in the second mold core cutter block (4).

8. A steel blanking tooling mould according to claim 7, wherein the combined stack (8) comprises pulleys and rollers.

9. The steel blanking tooling die of claim 1, wherein the cutting holes in the die core cutter blocks (3, 4) are matched with channel steel, angle steel or I-steel.

10. The steel blanking tooling die of claim 9, wherein the cutting holes in the die core cutter blocks (3, 4) are arranged obliquely.

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