CN205110521U - Breaking piece mould under pneumatic tool safety - Google Patents

Abstract

The utility model discloses a breaking piece mould under pneumatic tool safety, including upper die base and die holder, the upper die base bottom is provided with the punch holder, the punch holder bottom has set gradually the side cut punching die along the pan feeding direction, the appearance punching die, the mould is cut in bender and unloading, the punch holder below still is provided with takes off the flitch, the die holder surface is provided with the lower bolster, the punching die is provided with on the lower bolster and cuts edge, the appearance punching die, mould matched with lower mould part is cut in bender and unloading, connect through interior guide pillar between upper die base and the die holder, still be provided with a plurality of positioning mechanism on the lower bolster. The utility model discloses simple structure, reasonable in design saves manual work and production input greatly.

Description

A Pneumatic Tool Safety Lower Insurance Parts Mold

technical field

The utility model relates to the field of moulds, in particular to a mold for safety parts of pneumatic tools.

Background technique

The safety part of pneumatic tools is a three-dimensional structural component, which is composed of end structure, middle structure, connecting part and tail structure in sequence. Its existing preparation process requires nine sets of molds to be stamped separately, which greatly increases labor and production. Equipment has to be invested, and stamping is divided into nine times, which increases the repositioning error and processing error of the product and increases the production cost of the semi-finished product.

Contents of the invention

The purpose of the utility model is to overcome the above problems in the prior art, and provide a mold for safety parts of pneumatic tools. The utility model has simple structure, reasonable design, and greatly saves labor and production input.

In order to achieve the above-mentioned technical purpose and achieve the above-mentioned technical effect, the utility model is realized through the following technical solutions:

A pneumatic tool safety lower insurance part mold, comprising an upper mold base and a lower mold base, an upper splint is arranged at the bottom of the upper mold base, and an edge trimming punching die, a shape punching die, and a shape punching die are sequentially arranged at the bottom of the upper splint along the feeding direction. Hole die, bending die and blanking slitting die, a stripper plate is also arranged under the upper clamping plate, a lower template is arranged on the surface of the lower mold base, and a trimming punching die, The part of the lower mold where the shape punching die, the bending die and the blanking and cutting die are matched. The upper mold base and the lower mold base are connected by an inner guide column. A plate and a lower template, the lower mold base is provided with a blanking hole that cooperates with the lower mold part.

Further, the lower formwork is also provided with a number of floating guide blocks for positioning the positions on both sides of the material, and the stripping plate corresponding to the floating guide blocks is also provided with a guide block avoiding part.

Further, an upper supporting plate is provided on the top of the upper mold base, several upper spacers are vertically arranged between the upper supporting plate and the upper mold base, and optimal For rubber, the bottom of the Uli glue is provided with a beating plate, and the bottom of the beating plate is connected with several guide rods, and the guide rods pass through the upper mold base and the upper splint and are fixedly connected with the stripper plate.

Further, the shape punching die includes a partial shape punching die, a side flattening die, a fine cutting die, an adjustment die, a trimming die and a supporting cutting die, which are sequentially arranged along the feeding direction.

Further, the upper splint is composed of several planar plate seats connected in sequence, and the number of the lower templates is equal to the number of splints.

Further, the lower template is also provided with an air blowing pin for blanking, the bottom of the air blowing pin is connected with the air blowing groove provided on the lower mold base, and the air blowing pin is arranged on the corresponding part of the blanking slitting die. One side of the die part.

Further, the upper splint is also provided with a misfeed detection device, the misfeed detection device includes a safety pin and a detection rod arranged perpendicular to each other, one end of the safety pin is vertically connected to the upper mold base through a spring, and the other One end is set through the upper splint and the stripper plate, and the surface of the safety pin is provided with an arc-shaped ring groove, and the arc-shaped ring groove is in contact with the spherical surface provided at one end of the detection rod, and the detection rod is set in the upper splint And the other end passes through the side of the upper splint and is connected with the solenoid valve.

Further, the lower mold base is also provided with a number of evenly arranged lifting pins, the lifting pins are set through the lower template, and the lower template is also provided with guide pins.

The beneficial effects of the utility model are:

The mold can be produced continuously, quickly and efficiently, and the size of the product is controlled within the tolerance range, which improves the qualified rate of the product; only one set of mold and one punching machine are needed, which greatly reduces the production cost and labor.

The above description is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with accompanying drawings. rear. The specific embodiment of the utility model is given in detail by the following examples and accompanying drawings.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiment technology of the present invention, the accompanying drawings that need to be used in the technical description of the embodiment will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the embodiment of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a side view structural representation of the utility model;

Fig. 3 is a structural schematic diagram of the misfeed detection device of the present invention;

Fig. 4 is a schematic diagram of the upper splint part of the utility model;

Fig. 5 is a schematic diagram of the partial structure of the lower formwork of the utility model;

Fig. 6 is a schematic diagram of the structure of the lower mold base of the utility model.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Figures 1 to 6, a pneumatic tool safety lower insurance part mold includes an upper mold base 1 and a lower mold base 2, an upper splint 3 is arranged at the bottom of the upper mold base, and the bottom of the upper splint is sequentially arranged along the feeding direction. Trimming punching die 31, shape punching die 32, bending die 33 and blanking slitting die 34, a stripping plate 4 is also arranged below the upper splint, a lower template 5 is arranged on the surface of the lower die base, and a lower template is arranged on the lower template. There is a lower mold part 51 matched with the trimming punching die, the shape punching die, the bending die and the blanking and cutting die. Through the upper clamping plate, the stripper plate and the lower formwork, the lower mold base is provided with a blanking hole 57 which is partially matched with the lower mold.

The lower formwork is also provided with a number of floating guide blocks 53 for positioning the positions on both sides of the material. The corresponding stripping plate of the floating guide block is also provided with a guide block avoidance part, and the floating guide block can also float up and down. , to accommodate the stamping, the material will be pressed down the die plate, thus having a certain stroke to accommodate the problem.

The top of the upper die base is also provided with an upper supporting plate 7, and several upper pads 71 are vertically arranged between the upper supporting plate and the upper die base, and a Urex glue 72 is arranged between two adjacent upper pads. The bottom is provided with a beating plate 73, the bottom of the beating plate is connected with several guide rods, and the guide rods pass through the upper mold base and the upper splint to be fixedly connected with the stripper plate. This method can ensure the position of the stripper plate without falling off, and The separation effect between the stripper plate and the upper splint can be well realized, and the rationality of the mold can be improved.

The shape punching die includes a partial shape punching die 321, a side flattening die 322, a fine cutting die 323, an adjustment die 324, a trimming die 325 and a supporting cutting die 326 arranged in sequence along the feeding direction, to cooperate with the cutting , It will not cause punching fracture due to thin structure when the lower part is cut due to excessive cutting.

The upper splint is composed of several planar plate bases 35 connected in sequence, and the number of the lower formwork is equal to the number of the splints, which is convenient for the replacement and adjustment of the mold parts, and is also beneficial for maintenance, reducing the difficulty of installation.

The lower template is also provided with a blowing pin 54 for blanking, the bottom of the blowing pin is connected with the blowing groove 21 provided on the lower mold base, and the blowing pin is arranged on the corresponding lower die part side of the blanking slitting die, which can Effectively blow away the cut finished products to realize automatic unloading.

The upper splint is also provided with a misfeed detection device 8. The misfeed detection device includes a safety pin 81 and a detection rod 82 arranged perpendicularly to each other. One end of the safety pin is vertically connected to the upper mold base through a spring 83, and the other end passes through the upper splint. Set with the stripper plate, the surface of the safety pin is provided with an arc-shaped ring groove 84, the arc-shaped ring groove abuts against the spherical surface provided at one end of the detection rod, the detection rod is arranged in the upper splint and the other end passes through the side of the upper splint and The solenoid valve 85 is connected. The device goes down along with the upper mold base. When the cutting position of the upper row of holes is not correct, it will be blocked. Therefore, the safety pin rises to squeeze the spring, and the detection rod is in the arc-shaped ring groove. It is squeezed and moves in the direction of the solenoid valve, and finally triggers the solenoid valve to stop the whole machine from running. It is an important self-checking device with simple structure.

A number of evenly arranged lifting pins 55 are also arranged on the lower mold base. The lifting pins are set through the lower template, and the lower template is also provided with guide pins 56, which are used to lift the plate after punching to avoid sticking to the mold. Provide convenience for transportation.

A method for using a safety part mold of a pneumatic tool, comprising the following steps:

Step 1) Trimming and punching, first trim the two sides of the plate through the trimming punching die and punch out the upper, middle and lower rows of holes respectively, which are used for positioning, detection and lifting of the plate, and provide judgment for subsequent stamping Path, and trimming can ensure that plates of different widths will finally enter the mold with the same width for stamping, improving stability;

Step 2) Partial shape punching, punching holes in the middle of the air tool and the end and end tip of the air tool to provide space for flattening with different thicknesses and have sufficient support strength;

Step 3) Side flattening die, stamping and flattening the two sides of the end and the two sides of the tip of the pneumatic tool, because there are uncut parts around, so the plate will not be deformed during flattening;

Step 4) Precise cutting. Precisely punch the flattened plate to obtain the precise shape and structure of the middle and end parts of the pneumatic tool. After flattening, its surface area will be increased, and the excess external expansion can be cut by precise cutting. , and cut out the overall structure;

Step 5) Adjustment, adjust the opening and closing angle of the middle part of the pneumatic tool. Since there will be certain angle problems after cutting, adjust to ensure that it is always in the best position and improve the product yield;

Step 6) trimming, cutting the bottom of the plate, and cutting out the shape of the tail of the pneumatic tool;

Step 7) Support cutting, cutting out the shape of the connecting arm part on the upper part of the middle row of holes;

Step 8) Bending, performing mold pressing and bending on the connection between the connecting arm and the middle part of the pneumatic tool and the connection between the connecting arm and the tail of the pneumatic tool;

Step 9) Blanking and cutting, punching the middle row of holes between two adjacent bent pneumatic tools to obtain the finished product.

The mold can be produced continuously, quickly and efficiently, and the size of the product is controlled within the tolerance range, which improves the qualified rate of the product; only one set of mold and one punching machine are needed, which greatly reduces the production cost and labor.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. the lower breaking piece mould of pneumatic tool safety, it is characterized in that: comprise upper bolster and die shoe, train wheel bridge is provided with bottom described upper bolster, trimming and piercing die is disposed with along pan feeding direction bottom described train wheel bridge, profile perforating die, bender and blanking cutting die, also stripper plate is provided with below described train wheel bridge, described die shoe surface is provided with lower bolster, described lower bolster is provided with and trimming and piercing die, profile perforating die, the part of the lower die that bender and blanking cutting die match, connected by inner guiding post between described upper bolster and die shoe, described inner guiding post is through train wheel bridge, stripper plate and lower bolster, described die shoe is provided with the material-dropping hole coordinated with part of the lower die.

2. the lower breaking piece mould of a kind of pneumatic tool safety according to claim 1, it is characterized in that: the buoyance lift guide pad described lower bolster being also provided with some locator material two side positions, the stripper plate that described buoyance lift guide pad is corresponding is also provided with guide pad relief portion.

3. the lower breaking piece mould of a kind of pneumatic tool safety according to claim 1, it is characterized in that: described upper bolster top is also provided with mounting plate, some upper cushion blocks are vertically installed with between described mounting plate and upper bolster, excellent power glue is provided with between adjacent two described upper cushion blocks, be provided with bottom described excellent power glue and re-pack, the described bottom that re-packs is connected with some guide rods, and described guide rod is fixedly connected with stripper plate with train wheel bridge through upper bolster.

4. the lower breaking piece mould of a kind of pneumatic tool safety according to claim 1, is characterized in that: described profile perforating die comprises the portion profile perforating die, side flattening die, finish module, adjustment mould, edger and the support that set gradually along pan feeding direction and cuts mould.

5. the lower breaking piece mould of a kind of pneumatic tool safety according to claim 1, it is characterized in that: described train wheel bridge is connected to form successively by some plane panel seats, the quantity of described lower bolster is equal with clamping plate quantity.

6. the lower breaking piece mould of a kind of pneumatic tool safety according to claim 1, it is characterized in that: described lower bolster is also provided with the blow pin for blanking, bottom described blow pin with die shoe is arranged blowing groove and is connected, described blow pin is arranged on the corresponding side, part of the lower die of blanking cutting die.

7. the lower breaking piece mould of a kind of pneumatic tool safety according to claim 1, it is characterized in that: described train wheel bridge is also provided with misdelivery checking device, described misdelivery checking device comprises mutual vertically disposed safety pin and test rod, described safety pin one end is connected by spring and upper bolster are vertical, the other end is arranged through train wheel bridge and stripper plate, described safety pin surface is provided with a circle arc-shaped ring groove, the spherical that described arc-shaped ring groove is arranged with test rod one end abuts, described test rod is arranged in train wheel bridge and the other end is connected with magnetic valve through train wheel bridge sidepiece.

8. the lower breaking piece mould of a kind of pneumatic tool safety according to claim 1, it is characterized in that: the floating pin described die shoe being also provided with some even arrangements, described floating pin is arranged through lower bolster, and described lower bolster is also provided with directing pin.