SU1224054A1 - Carriage to apparatus for cutting-out workpieces from flat stock - Google Patents

Description

The invention relates to the cold processing of materials by pressure and can be used for cutting blanks of nloskogo material.

The purpose of the invention is to increase the reliability of work.

FIG. 1 shows a carriage to a device for cutting blanks from a flat material in the working position; in fig. 2 is the same at the time of removing the blanks from the hollow cutters.

The carriage to the device for cutting blanks from a nlosk material is made in the form of a movable 1 and rotary 2 plates. Plate 1 is equipped with a bracket 3. Plate 1 and 2 are equipped with hollow cutters 4, consisting of two parts a and b, fixed in a row on separate flexible plates, pairwise spring-loaded to each other (not shown) with the possibility of deflection of plates in the direction of installation of torches and pairwise spreading of waste plates, as well as the possibility of extending each plate with a and b cutter parts to remove cut blanks associated with squeezing levers 5 and 6, cooperating with stops 7 and 8, mounted on the base. The carriage cutters 4 cut the blanks 9 out of sheet material 10. To separate the top sheet from the foot (not shown), the plate 1 is provided with stops 11 and the clamps 12 and 13 that are rotatable from the device and connected to the release lever 14. The plate 2 is equipped with similar stops 15, pivoted also from the device clamps 16 and 17, connected with the release lever 18. Behind in the direction of travel, plate 1 has a hole 19, and plate 2 has a similar hole 20 on the side adjacent to plate 1 20. In the hole 19 of plate 1 it is possible to move vertically set lena guide formed as a rod 21 provided with a keyed connection 22, through which the rod is held in the bore 19 against axial displacement. In the hole 20 of the plate 2 with the possibility of vertical movement from the keyed joint 23 is installed a second guide, made in the form of a rod 24. A sleeve 25 is worn on the rod 24. On the side of the installation of the plate 2 along the sleeve 25 there is a gear rail, and on the other side - a recess 26 At the lower end of the rod 21, a flange 27 is formed and a spring is opened, 28 depressed, one end of which rests against the flange 27, and the second end - into the slab 1. On the upper part of the rod 21, a bracket 30 mounted on a rod not 21 pin 31. At the second end of the bracket 30, a hole 32 is made,

through which the sleeve 25 passes, and through axis 33 a gear 34 is installed, which is in engagement with the toothed sector, which excludes axial displacement

sleeve 24 in the hole 32 of the bracket 30. The gear 34. periodically interacts with the toothed rack 35 mounted on the base. At the very end of the rod 21 a small hole 36 is made, in which a retainer is installed;

in the form of a rod 37, spring-loaded with a predetermined force, expand the spring 38 to the side of the sleeve 25, the rounded end of which enters the recess 26 on the sleeve 25. and holding the sleeve 25 together with the plate 2 on the same horizontal plane relative to the plate 1 in folding carriage position. A flange 39 is formed at the lower end of the rod 24, and a spring 40 is set up, one end of which abuts against the flange 39 and the other end against the plate. A gear 41 is mounted on the upper end of the rod 24, which is fastened to the rod 23 by means of a pin 42. The gear 41 periodically engages

with rack 43 mounted on the base. The rod 24 in the sleeve 25 is prevented from axial displacement of the spring tension 40.

The carriage to the device for cutting blanks from a flat material works

in the following way.

By means of the arm 3, the carriage is in the folding position according to the position indicated in FIG. 2 enters the loading zone (not shown). Plates 1 and 2 of the carriage are on the same horizontal

planes with closed parts a and b of cutters 4. The rod 21 in the hole 19 of the plate 1 under pressure of the spring 28 is lowered, and the specified portion of the bracket 30 lies on the upper part of the plate 1. The plate 2 on the rod 24 under the action of decompression of the spring 40, Up to the bottom of the sleeve 25, which in the hole 32 of the bracket 30 is in the raised position and fixed by poping it into the recess 26 of the retainer head 37 under the action of decompression of the spring 38. When moving the carriage in the direction of movement, The rail, the stops 11 of the plate 1 in the loading zone are separated

the top sheet of the foot lying, for example, on a lifting table (not shown), and when exiting - on the plate 1 from the loading zone due to the rotation of the lever 14 from the device, the pressing of one sheet 10 to the cutters 4 of the plate 1 is rotated. Moving the carriage similarly to obp.1, the sheets of the sheets are separated by stops 15 by separating the second sheet 10, and as the plate 2 leaves the zone

loading, by rotating the lever 18 from the device, the second sheet 10 is pressed against the cutters 4 of the plate 2. The bracket 3 moves the carriage to the cutting area which is from the folding position, as shown in FIG. 2, takes a folding position, as shown in FIG. I. As the carriage moves, gear 34 on bracket 30 engages with gear rack 35 and begins to rotate on axis 33 in the direction of motion indicated by the arrow. Being in engagement with the toothed sector a, the gear 34 moves the sleeve 25 in the hole 32 of the bracket 30 to the lower position, while the locking pin 37 leaves the recess 26 and, compressing the spring 28, slides along the sleeve surface until it touches the gear top plane 41 bracket 30. The lowering of the plate 2 with the rod 24 is completed. In this case, the upper support part of the plate 2 in the horizontal plane is below the sheet 10 pressed against the cutters of the plate 1. At the final moment of lowering the plate 2, the gear 41 on the rod 24 engages with the gear rack 43, and also begins to rotate together with rod 23 in sleeve 25 in the direction of movement indicated by the arrow. Together with the rod 24 and in the same direction, the plate begins to rotate by 180 ° plate 2 to the side under plate 1. Thus, the carriage from the folding position assumes a folding position. At the moment when plate 2 is strictly above plate 1. gear 41 disengages from gear rack 43. Under the action of elasticity, spring 40 fixes the carriage in the indicated position due to the contact of gear 41 with the upper part of the sleeve 25. The carriage enters cutting area (press not shown). At the final moment when the carriage enters the cutting zone from the device by turning the levers 14 and 18 on the plates 1 and 2 of the carriage, they turn towards the clamps 12, 13 and 16, 17, respectively. Sheet 10, which had previously been pressed against the cutters of the plate 2, lies on the surface of the plate 1, and sheet 10, which had previously been pressed against the cutters of the plate 1, lies on the lower plate of the press (not shown). FIG. 1 shows the carriage before starting the cutting process. During the cutting process, the upper press plate presses first on top of

the plate 1, compressing the spring 28 on the rod 21, while the plate 1 is lowered down and the cutters 4 press on the sheet 10 lying on the plate 2, compressing the spring 40 on the rod 24, while the plate 2 also goes down in the direction of the sheet 10 lying on bottom plate press. Under the action of the upper press plate, the cutters 4 on the plate 1 carry out cutting of blanks 9 from the sheet 10 on the plate 1, and the plate 2 performs similarly cutting of blanks 9 from the sheet 10 lying on the lower plate of the press. During the cutting process, the cut blanks enter the cavities of the cutters, and the waste particles remain between them. The cutting process is completed. The carriage from the working area of the press is supplied by the bracket 3 to the unloading zone, for example, a table (not shown) and takes a folding position from the folding position. For this, when moving the carriage from the cutting zone, gear 41 of the rod 24 engages on the other side with the rack 43 and begins to rotate with the rod 24, which rotates 180 ° from the plates 1 and 2 to the final folding position. Nat g of the spring 40 on the rod 24 fixes this position. Rotate plate 2 is complete. At this point, gear 34 on the bracket 30 also begins, on the other hand, to interact with the toothed rack 35 and, engaging with the toothed sector in, moves the sleeve 24 in the opening 32 of the bracket 30 to the upper position until the lock 37 enters the recess 26 The action of the spacer spring 38. The layout of the carriage is complete. The cutters of the plates 1 and 2 are, like the plates 1 and 2, on the same horizontal plane. Upon further movement of the carriage, the levers 5 and 6 of plates 1 and 2 interact with stops 5 and 6, respectively, and first bend and pairwise expand the cutters to remove waste, and then expand each plate with parts a to b of cutters to remove from cutters 4 cut blanks 9 on the unloading table (not shown). With the next movement of the carriage to the cutting zone, parts a and b of the cutters 4 on the plates 1 and 2 are closed. The cycle is repeated.

and

Claims (2)

1. CARRIAGE TO A DEVICE FOR CUTTING PREPARATIONS FROM A PLANE MATERIAL, comprising a movable plate with hollow cutters mounted on the base with the ability to move in a horizontal direction, a rotary plate with hollow cutters, mounted on the movable plate with the possibility of rotation about 180 ° relative to it, its rotation mechanism having a gear rack, a bracket associated with a movable plate, a shaft mounted in the bracket and connected with a rotary plate, and a gear mounted on the shaft, characterized in that, in order to increase reliability, it is equipped with an additional gear mounted on the bracket, additional gear racks mounted on the base with the possibility of interaction with gears, and the shaft is mounted in the bracket with the ability to move in the vertical direction, and the gear rack is mounted on the shaft with the ability to interact with the additional gear. 2. The carriage in π. 1, characterized in that it is equipped with a spring-loaded clamp mounted on a movable plate with the possibility of interaction with the shaft. fs / g.