CN209502727U - A kind of outer material pulling mechanism of mould - Google Patents

Abstract

The utility model discloses material pulling mechanisms outside a kind of mould, comprising: a fixing seat is connected and fixed with lower die；One sliding seat, is connected and fixed with upper mold；One feeding mechanism is set in fixing seat, including being mutually compressed by elastic force and passing through the idler wheel and contact roller of rolling feeding；One linkage mechanism, including being fixed on the connecting rod in sliding seat, the ratchet rotated synchronously with idler wheel and the pawl for driving ratchet to turn on connecting rod and in connecting rod uphill process.In punching course, upper mold pushes, sliding seat is driven to move down, connecting rod also moves down therewith, when completion punching press upper mold moves up, connecting rod band pawl moves up, click generates interaction at this time, ratchet wheel is driven during pawl moves up, idler wheel rotates, and material strip is pressed between idler wheel and contact roller, material strip movement is driven by frictional resistance in idler wheel rotation process, and drive the degree of ratchet wheel to be the same during pawl moves up every time, therefore, material strip also forms stepping conveying.

Description

A kind of outer material pulling mechanism of mould

Technical field

The utility model relates to mould applications, in particular to the outer material pulling mechanism of a kind of mould.

Background technique

Stamping die is that material (metal or nonmetallic) is processed into part (or semi-finished product) in Cold Press Working A kind of special process equipment, referred to as cold punching die (being commonly called as cold-punching mould).

Wherein, the workpiece for thering is part to need to process by multiple working procedure, it will usually be processed, that is, passed through in the form of material strip Multi-step forming molding.But this kind of mold send fixed distance, by preceding one of stamping station since it is stepping charging every time After being sent in one of stamping station, in this regard, current enterprise is sent by one individual feeding mechanism of setting Material, it therefore, needs to be arranged individual driving device, not only needs to generate additional energy consumption, and certain space can be occupied.

Utility model content

The purpose of the utility model is to provide material pulling mechanisms outside a kind of mould, carry out energy consumption without additional driving device.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of outer material pulling mechanism of mould, it is characterized in that including:

One fixing seat, is connected and fixed with lower die；

One sliding seat, is connected and fixed with upper mold；

One feeding mechanism is set in fixing seat, including being mutually compressed by elastic force and passing through the idler wheel and pressure of rolling feeding Bearing up pulley；

One linkage mechanism including the connecting rod being fixed in sliding seat, the ratchet rotated synchronously with idler wheel and is set to connecting rod Pawl that is upper and driving ratchet to turn in connecting rod uphill process.

So set, upper mold pushes in punching course, sliding seat is driven to move down at this time, connecting rod also moves down therewith, Since click is unidirectional drive, ratchet wheel not will drive in folding process；And when completion punching press upper mold moves up, even Bar band pawl also moves up therewith, and click generates interaction at this time, and ratchet wheel is driven during pawl moves up, and rolls Wheel is also rotated by ratchet drive, and material strip is pressed between idler wheel and contact roller, passes through friction resistance in idler wheel rotation process Power drives material strip movement, and the degree of ratchet wheel is driven to be the same during pawl moves up every time, therefore, material strip also shape At stepping conveying.

Further preferably are as follows: the pawl rotation is connected on connecting rod, and a tension spring is connected between pawl and connecting rod, described One is provided on connecting rod for limiting the gag lever post of pawl rotation.

So set, being resetted by tension spring to pawl, then ratchet limit can nibbled with pawl by gag lever post The position of conjunction.

Further preferably are as follows: the idler wheel and contact roller are connected on the fixed frame that one is connected in fixing seat, described solid Determine frame equipped on a hold-down mechanism, the hold-down mechanism include slideway, with the sliding block of slideway cooperation and to sliding block provide to The holddown spring of lower elastic force, the contact roller are connected on sliding block by a shaft.

So set, contact roller and idler wheel is kept to be in impaction state.

Further preferably are as follows: the two sides that the hold-down mechanism is set as two, is located at contact roller.

So set, improving the stability for compressing effect and web feed.

Further preferably are as follows: the mobile operating mechanism of controllable sliding block, the operating mechanism are additionally provided on the fixed frame The drive rod being rotatably connected on sliding block including one end and the handle being rotatably connected on fixed frame, the end of the handle It is pivotally connected with drive rod.

So set, the elastic force of holddown spring can be overcome to be pulled upwardly sliding block by pushing handle, make contact roller It separates with idler wheel, material strip can so be compressed after unclamping handle convenient for material strip across contact roller and idler wheel, from And carry out subsequent automatic strip.

Further preferably are as follows: the contact roller is a bearing roller.

So set, the resistance that contact roller generates on it in material strip motion process is reduced, to avoid in transmission process Material strip skidding causes that feeding is not in place.

Further preferably are as follows: the slideway top has been bolted capping in opening in opening setting.

So set, facilitating the installation of sliding block.

Further preferably are as follows: the idler wheel is connected on fixed frame by a roll shaft, in the end sleeve of the roll shaft Equipped with axle sleeve, through-hole is provided on the side wall of the axle sleeve；The mounting plate of two vertical fixing seats, the peace are provided on fixed frame It is provided with the axis hole with axle sleeve cooperation in loading board, and is threaded with adjusting bolt on the fixed frame, adjusts bolt end and wears Enter through-hole.

So set, being inserted into axial restraint axle sleeve on through-hole by adjusting bolt end, while by adjusting bolt setting The rotary resistance that roll shaft can also be adjusted by being pressed on roll shaft, avoids it from misrouting drive web feed.

Further preferably are as follows: be provided with adjustment hole on the connecting rod, passed through and adjusted by bolt between the sliding seat and connecting rod Knothole is connected and fixed.

So set, can be adjusted according to the movable distance of upper mold sliding seat between pawl at a distance from, can not only The engagement time length of click is adjusted, while upper mold activity can be caused to avoid because upper mold operating range is too short Click can not engage in the process.

Further preferably are as follows: the idler wheel is a rubber wheel.

So set, increasing resistance, material strip skidding is further avoided.

In conclusion the utility model is moved up and down by effective use upper mold, it is water by the conversion of motion of vertical direction Square to transmission, not only delivery precision is high, and without the driving such as additional motor, cylinder, energy saving, reduce cost and Land occupation.

Detailed description of the invention

Fig. 1 is the present embodiment structural schematic diagram；

Fig. 2 is the sectional view of the present embodiment;

Fig. 3 is the partial exploded view of the present embodiment.

In figure, 1, fixing seat；2, sliding seat；3, feeding mechanism；31, contact roller；32, idler wheel；33, roll shaft；34, axle sleeve； 341, through-hole；4, linkage mechanism；41, connecting rod；42, ratchet；43, pawl；44, tension spring；45, gag lever post；46, connecting rod；5, it presses Tight mechanism；51, slideway；52, sliding block；521, sliding slot；53, holddown spring；6, operating mechanism；7, fixed frame；71, mounting plate； 711, axis hole；712, threaded hole；8, bolt is adjusted；9, it covers；91, limited post.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of outer material pulling mechanism of mould, as depicted in figs. 1 and 2, fixing seat 1, sliding seat 2, feeding mechanism 3, linkage mechanism 4, Hold-down mechanism 5 and operating mechanism 6, fixing seat 1 are connected and fixed by bolt and lower die, and sliding seat 2 is connect by bolt with upper mold It is fixed.

It has been bolted to connection a fixed frame 7 in fixing seat 1, the peace of two vertical fixing seats 1 is provided on fixed frame 7 Loading board 71, feeding mechanism 3, hold-down mechanism 5 and operating mechanism 6 are installed between two mounting plates 71.

Referring to Figures 1 and 2, feeding mechanism 3 includes an idler wheel 32 and a contact roller 31, as shown in figure 3, idler wheel 32 passes through one Roll shaft 33 is connected on two mounting plates 71.Wherein, the both ends of roll shaft 33 are arranged with axle sleeve 34, are provided on mounting plate 71 and axle sleeve The axis holes 711 of 34 cooperations are connected on mounting plate 71 by a threaded hole 712 and adjust bolt 8, and threaded hole 712 and axis hole 711 connect It is logical, and through-hole 341 is provided on the side wall of axle sleeve 34 for adjusting the insertion of 8 end of bolt.

Idler wheel 32 is a rubber wheel in the present embodiment.

As shown in figure 3, two hold-down mechanisms 5 are separately positioned on two mounting plates 71 there are two the settings of hold-down mechanism 5.

Each hold-down mechanism 5 include with a slideway 51, a sliding block 52 and a holddown spring 53, slideway 51 is along the vertical direction In setting and mounting plate 71, and the two sides of mounting plate 71 are run through in the two sides of slideway 51, and the top of slideway 51 is through mounting plate 71 Top is formed with an opening, and a capping 9 has been bolted to close opening in opening.

52 two sides of sliding block are provided with sliding slot 521, are installed in slideway 51 by opening.

Holddown spring 53 is located between sliding block 52 and capping 9, and both ends are abutted with sliding block 52 and capping 9 respectively, in sliding block 52 Equal protrusion is provided with limited post 91 and is inserted into for the end of holddown spring 53 on the end abutted with capping 9 with holddown spring 53.

In conjunction with attached drawing 1, contact roller 31 is set in a shaft, and the both ends of shaft are plugged in respectively on two sliding blocks 52.

Wherein, contact roller 31 is a bearing roller 32 being made of two bearings.

As shown in Fig. 2, linkage mechanism 4 includes connecting rod 41, ratchet 42 and pawl 43, one end of connecting rod 41 is provided with long waist The adjustment hole (in conjunction with Fig. 1) of type, connecting rod 41 pass through adjustment hole by bolt and are fixedly connected in sliding seat 2.

Referring to Fig. 3, ratchet 42 is plugged on roll shaft 33, and a square hole is provided among ratchet 42, is arranged by square hole It realizes and is rotated synchronously between idler wheel 32.

As shown in Fig. 2, connecting rod 41 is provided with notch relative to the other end for being provided with adjustment hole, ratchet 42 is rotatably connected on In notch, and gag lever post 45 and connecting rod 46 are fixedly installed in notch.

Connecting rod 46 is located at the top of pawl 43, and hooks in the tail portion of pawl 43 and be equipped with tension spring 44, the other end of tension spring 44 Hook is located in connecting rod 46.

Gag lever post 45 is located at the lower section of pawl 43, and tension spring 44 pulls pawl 43 by elastic force, makes pawl 43 is low to be located at love On limited block.

In punching course, upper mold is pushed, and since sliding seat 2 is mounted in upper mold, upper mold will drive sliding seat 2 to moving down Dynamic, connecting rod 41 also moves down therewith, since 42 pawl 43 of ratchet is unidirectional drive, and in contact roller 31 and adjusts bolt 8 Under effect, although pawl 43 can be in contact with ratchet in folding process, since pawl 43 pulls the rotation of tension spring 44 to be produced Raw elastic force, which is less than, needs idler wheel 32 to roll the active force for overcoming resistance, and therefore, pawl 43 rotates at this time and ratchet 42 is fixed Motionless, material strip will not be driven；

And when upper mold moves up after completing punching press, connecting rod 41 is moved up with pawl 43, when the contact of 42 pawl 43 of ratchet, Under the action of gag lever post 45, pawl 43 can not rotate, therefore during continuing to move up, and pawl 43 will drive ratchet 42 It rotates, therefore idler wheel 32 can also be rotated by the drive of ratchet 42, and material strip is pressed between idler wheel 32 and contact roller 31, Material strip movement is driven by frictional resistance in 32 rotation process of idler wheel, and drives ratchet 42 to rotate during pawl 43 moves up every time Degree be the same, therefore, material strip also form stepping conveying.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as within the protection scope of the present utility model all by the protection of Patent Law.

Claims (10)

1. the outer material pulling mechanism of a kind of mould, it is characterized in that including:

One fixing seat (1), is connected and fixed with lower die；

One sliding seat (2), is connected and fixed with upper mold；

One feeding mechanism (3) is set on fixing seat (1), including being mutually compressed by elastic force and passing through the idler wheel of rolling feeding (32) and contact roller (31)；

One linkage mechanism (4), including the connecting rod (41) being fixed on sliding seat (2), the ratchet rotated synchronously with idler wheel (32) (42) and on connecting rod (41) and in connecting rod (41) uphill process the pawl (43) for driving ratchet (42) to turn.

2. the outer material pulling mechanism of a kind of mould according to claim 1, it is characterized in that: the pawl (43) is rotationally connected with connecting rod (41) on, and it is connected with a tension spring (44) between pawl (43) and connecting rod (41), one is provided on the connecting rod (41) for limiting The gag lever post (45) of pawl (43) rotation.

3. the outer material pulling mechanism of a kind of mould according to claim 1, it is characterized in that: the idler wheel (32) and contact roller (31) are even It is connected on the fixed frame (7) that one is connected on fixing seat (1), the fixed frame (7) is equipped on a hold-down mechanism (5), described Hold-down mechanism (5) includes slideway (51), the sliding block (52) cooperated with slideway (51) and provides downward elastic force to sliding block (52) Holddown spring (53), the contact roller (31) is connected on sliding block (52) by a shaft.

4. a kind of outer material pulling mechanism of mould according to claim 3, it is characterized in that: the hold-down mechanism (5) be set as two, It is located at the two sides of contact roller (31).

5. the outer material pulling mechanism of a kind of mould according to claim 3 or 4, it is characterized in that: being additionally provided on the fixed frame (7) can Sliding block (52) mobile operating mechanism (6) is controlled, the operating mechanism (6) includes the drive that one end is rotatably connected on sliding block (52) Lever and the handle being rotatably connected on fixed frame (7), the end of the handle and drive rod are pivotally connected.

6. the outer material pulling mechanism of a kind of mould according to claim 3 or 4, it is characterized in that: the contact roller (31) is a bearing Idler wheel (32).

7. the outer material pulling mechanism of a kind of mould according to claim 3 or 4, it is characterized in that: the slideway (51) top is in opening Setting, and capping (9) have been bolted in opening.

8. the outer material pulling mechanism of a kind of mould according to claim 3 or 4, it is characterized in that: the idler wheel (32) passes through a roll shaft (33) it is connected on fixed frame (7), axle sleeve (34) is equipped in the end sleeve of the roll shaft (33), on the side wall of the axle sleeve (34) It is provided with through-hole (341)；The mounting plate (71) of two vertical fixing seats (1) is provided on fixed frame (7), on the mounting plate (71) It is provided with the axis hole (711) with axle sleeve (34) cooperation, and is threaded on the fixed frame (7) and adjusts bolt (8), adjusts spiral shell Bolt (8) end penetrates through-hole (341).

9. the outer material pulling mechanism of a kind of mould according to claim 1, it is characterized in that: being provided with adjusting on the connecting rod (41) Hole is connected and fixed by bolt across adjustment hole between the sliding seat (2) and connecting rod (41).

10. the outer material pulling mechanism of a kind of mould according to claim 1, it is characterized in that: the idler wheel (32) is a rubber wheel.