CN214340768U - Clamping arm assembly for bending material wire and bending mechanism - Google Patents

Abstract

The utility model discloses a clamping arm component and a bending mechanism for bending a material wire, wherein the clamping arm component comprises at least two working arms arranged in a mirror image manner, and comprises a working part positioned at the front end of the working arm and a connecting part positioned at the rear end of the working arm; the two working parts extend to form clamping blocks facing to each other, and the clamping blocks are provided with limiting grooves sunken towards the working arms; a bending method comprises a rack, a brush disc and the clamping arm assembly, wherein a working arm lifts two ends of a cut material filament from bottom to top and then bends the cut material filament into a U-shaped filament from a straight filament, the U-shaped filament is provided with a front section and a rear section, and the front section and the rear section are close to each other and are attached to two sides of the brush disc; compared with the prior art, the cutting device has the advantages that the effective control on the cut material wires is realized through the structural design of the working arm, so that the cut material wires can easily slide into the limiting groove, the cut material wires can also keep a neat arrangement state in the bending process, and a foundation is made for the subsequent lantern ring work.

Description

Clamping arm assembly for bending material wire and bending mechanism

Technical Field

The utility model relates to a broken scale roller production field for steel processing, in particular to an arm lock subassembly and mechanism of bending for bending the material silk.

Background

The descaling method is a physical descaling method which uses a descaling roll to polish and remove rust, and the existing descaling roll comprises a roll shaft, a plurality of brush discs are arranged on the roll shaft, brush wires are arranged on the brush discs along the circumferential direction, and the brush wires polish steel to polish rust on the surface of the steel.

In order to improve the production efficiency of the scale breaking roller, a mechanical automatic assembly production line which is simple in operation and rapid in work is needed to plant wires for a brush disc of the scale breaking roller; meanwhile, after the cut material threads penetrate into the thread holes of the brush disc, the cut material threads are bent into U-shaped threads with two ends close to each other in a non-scattered state.

Disclosure of Invention

In order to solve the technical problem, the utility model provides an arm lock subassembly for bending material silk, including two work arms, the spacing groove that sets up on the work arm can hold and cut the material silk, at the material silk in-process of bending, the work arm will cut the material silk lifting and bend, makes to cut the material silk and bend from the straight silk and form the U-shaped silk and keep neatly arranged.

And then provide a mechanism of bending, including above-mentioned mechanism of bending through control different cylinders in order to reach the drive work arm and carry out a series of movements, realize bending at last and cut the function of material silk.

The technical scheme of the utility model is realized like this:

a clamping arm assembly for bending a wire comprises at least two working arms arranged in a mirror image mode, and comprises a working part and a connecting part, wherein the working part is positioned at the front end of each working arm; the two working parts extend to form clamping blocks facing to each other, and limiting grooves sunken towards the working arms are formed in the clamping blocks. The two working arms respectively work the front section and the rear section of the cut-off material wire positioned on the two sides of the brush disc, and the clamping blocks on the working parts effectively reduce the contact area between the working arms and the brush disc, so that the possible abrasion between the working arms and the brush disc is reduced; the limiting groove can contain the cut-off material wire, the width of the limiting groove is only slightly larger than that of the cut-off material wire, and the cut-off material wire is kept orderly in the bending working process.

Preferably, the clamping block is provided with a chamfer around the limiting groove, so that the opening of the limiting groove is larger. The opening of the limiting groove is larger by arranging the chamfer, and cut-off material wires can easily slide into the limiting groove in the bending work, so that the due function of the limiting groove is realized.

Preferably, the working arm is approximately T-shaped, the working part is connected with the connecting part through a transition part, the connecting part and the transition part are vertically arranged on a horizontal plane, the transition part is connected with the head and the tail of the working part and arranged in the same direction, and the sum of the lengths of the transition part and the working part is greater than that of the connecting part; from the connecting portion to the working portion, the thickness of the working arm in the vertical direction is reduced. The connecting part and the transition part are thicker, so that the overall strength of the working arm is higher and the working arm is more stable; the thickness on the working part is thinner, so that the contact area between the working arm and the brush disc is reduced, and on the other hand, because the working arm is approximately T-shaped, the occupied space of the slender working part in the working process is small, so that the whole device can be more compact, the cut material wire can enter the wire hole before serious sagging, or the shorter minimum length of the cut material wire can be used.

A bending mechanism comprises a rack, a brush disc and the clamping arm assembly, wherein the rack is configured as a main body support of the mechanism, the brush disc is rotatably arranged on the rack, the brush disc is provided with wire holes uniformly distributed along the circumferential direction of the brush disc, cut-off wires penetrate through the wire holes, and two ends of the cut-off wires are positioned on the front side and the rear side of the brush disc; the two working arms are respectively positioned at the front side and the rear side of the brush disc in the circumferential direction and are arranged in a way of relatively moving with the frame; the working arm is configured to lift two ends of the cut material wire from bottom to top, so that the cut material wire is bent into a U-shaped wire from a straight wire after sliding into the limiting groove; the cut-off filament is provided with a front section and a rear section, and after the cut-off filament is bent, the front section and the rear section are close to each other and close to the brush disc. The chamfer angle enables the opening of the limiting groove to be larger, and cut-off material wires can slide into the limiting groove more easily.

Preferably, the working arm is driven to move by a working arm cylinder group.

Preferably, the working arm cylinder group comprises a working arm retracting cylinder, a working arm lifting cylinder and an opening and closing cylinder; the two working arms are driven by the working arm retracting cylinder to horizontally approach or move away from the cut-off material wire; the two working arms are driven by a working arm lifting cylinder to synchronously lift, and the two working arms lift two ends of the cut wire when rising; the two working arms are driven by the opening and closing air cylinder to open and close, the two working arms are close to and clamp the cut-off material wire when being closed, and the two working arms are loosened and far away from the cut-off material wire when being separated.

Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:

the utility model has the advantages that: the effective control of the cut material wires is realized through the structural design of the working arm, so that the cut material wires can easily slide into the limiting groove, the cut material wires can also keep a neat arrangement state in the bending process, and a foundation is made for the subsequent lantern ring working.

Drawings

Fig. 1 is a schematic perspective view of a wire-planting mechanism after one round of wire-planting operation is completed in an embodiment of the present invention;

FIG. 2 is a schematic perspective view of the thread feeding mechanism during the thread feeding operation of the embodiment of the present invention;

FIG. 3 is a partial enlarged view of portion B of FIG. 2;

FIG. 4 is a side view of the wire threading mechanism of the present invention during operation in an embodiment thereof;

fig. 5 is a schematic perspective view of the first wire bending mechanism in the working process of wire bending according to the embodiment of the present invention;

fig. 6 is a schematic perspective view of a second wire bending mechanism in the working process of wire bending in the embodiment of the present invention;

fig. 7 is a schematic perspective view of the first wire bending mechanism according to the embodiment of the present invention;

FIG. 8 is an enlarged view of a portion C of FIG. 7;

fig. 9 is a top view of the wire mechanism of the present invention in an embodiment;

fig. 10 is a schematic perspective view of two working arms according to an embodiment of the present invention;

fig. 11 is a schematic perspective view of two working arms according to an embodiment of the present invention;

FIG. 12 is a schematic perspective view of the brush plate after the embodiment of the present invention completes the filament planting work and removes the restraining ring;

fig. 13 is a schematic diagram of the present invention defining the front end of the preliminary filament and the front end of the cutoff filament in the embodiment.

The figures are numbered: a wire feeding mechanism 1; a bending mechanism 2; a lantern ring mechanism 3; preparing a material wire 4; cutting off the material wires 5; a front section 5 a; a rear section 5 b; a wire hole 6; a working wire hole 6 a; a frame 7; a brush plate 8; a turntable stepping motor 11; a support table 43; a holding baffle 44; an elongated slot 45; an elastic sheet 46; a working arm 47; a clamp block 48; a limit groove 49; a second opening and closing cylinder 50; a working arm lift cylinder 51; the working arm retract cylinder 52; the first support 53; the first horizontal plate 53 a; a first riser 53 b; a second support 54; a second riser 54 a; a third riser 54 b; a third support 55; a mounting groove 56; a lifting shaft 57; an insert plate 58; a stopper plate 59; a turntable 85; a support slope plate 86; a limit vertical plate 87; connecting the transverse plate 88; a working portion 471; a connecting portion 472; a transition portion 473.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific implementation manner of the utility model is as follows:

the utility model provides a clamping arm component for bending a material wire, which comprises at least two working arms 47 arranged in a mirror image manner, and comprises a working part 471 arranged at the front end of each working arm 47 and a connecting part 472 arranged at the rear end of each working arm; the two working portions 471 extend to form opposite clamp blocks 48, and the clamp blocks 48 are provided with limit grooves 49 recessed toward the working arms 47.

In order to obtain the brush plate 8 as shown in fig. 12, the brush plate 8 is first threaded; as shown in fig. 1, the scale breaking roller disc-brushing filament-planting device is divided into three functional mechanisms: the wire feeding mechanism 1, the bending mechanism 2 and the lantern ring mechanism 3 are characterized in that firstly, the wire feeding mechanism 1 penetrates through the brush disc 8 to form wires, then the bending mechanism 2 bends the wires penetrating through the brush disc 8 into a U shape, and finally the lantern ring mechanism 3 sleeves a restraining ring on the bent wires to complete wire planting of the brush disc 8; in this embodiment, the filament is a combination of a plurality of monofilaments arranged in parallel, the filament is divided into a preparatory filament 4 and a cut filament 5, the preparatory filament 4 is the filament to be used, and after the preparatory filament 4 is cut according to a preset length, a section conforming to the preset length is the cut filament 5, or a section closer to the brush tray 8 is the cut filament 5; for convenience of explanation and description, the filament hole 6 in which the seed filament is being seeded is referred to as a working filament hole 6 a; the orientation of the present embodiment is defined in that the machine is normally placed, the advance direction of the preparation wire 4 is from the front of the frame 7 to the back of the frame 7, and the "front", "back", "front and back", "left", "right" and "left and right" in the present embodiment are based on the frame 7, unless specific explanations are given to individual components, as described in the embodiments, for example: as shown in fig. 13, one end of the preliminary cut string 4 close to the cutting position is the front end of the preliminary cut string 4, otherwise, the rear end of the preliminary cut string 4 is the rear end of the preliminary cut string 4, one end of the cut string 5 far away from the cutting position is the front end of the cut string 5, otherwise, the rear end of the cut string 5 is the rear end of the cut string 5; in the present embodiment, the preset length refers to the length required for the design of the cut strand 4.

The preset length is the length of the required cut-off material wire 5, and is any length of 80-100mm, but the preset length cannot be changed before 8 kinds of wires of the whole brush disc are finished; after the filament planting of the brush disc is finished, the distance between the cut material filament and the circumferential edge of the brush disc is the length of the cut material filament after being folded minus the length from the filament hole to the circumferential edge of the brush disc, the length is the effective working length of the cut material filament, and the range of the effective working length is 30-40 mm.

Right the utility model provides a mechanism 2 of bending describes: as shown in fig. 10 and 11, the bending mechanism 2 includes a frame 7, a brush plate 8 and the above-mentioned clamping arm assembly, and the bending mechanism 2 is disposed beside the brush plate 8; the frame 7 is used as a main body support of the mechanism, the brush disc 8 is rotatably arranged on the frame, the brush disc 8 is vertically arranged facing the advancing direction of the material wire, the brush disc 8 is provided with wire holes 6 which are uniformly distributed along the circumferential direction of the brush disc 8, the wire holes 6 are waist-shaped holes and are configured as installation positions for cutting the material wire 5, the brush disc 8 is arranged on a turntable 85, the turntable 85 is driven by a turntable stepping motor 11 arranged on the frame 7 and drives the brush disc 8 to intermittently rotate, when one working wire hole 6a finishes the wire planting, the turntable stepping motor 11 drives the brush disc 8 to rotate, so that the next wire hole 6 rotates to a position to be worked and becomes a new working wire hole, namely on the advancing path of the material wire; the working wire holes 6a are always kept relatively horizontal and stay above the other wire holes 6.

Two working arms 47 which are arranged in a mirror image mode face to the direction of the brush disc 8 and are symmetrically arranged on the front side and the rear side of the axial direction of the brush disc 8, and the middle position between the two working arms 47 is aligned with the brush disc 8; the working arm 47 is configured to lift two ends of the cut wire 5 from bottom to top and then bend the cut wire into a U-shaped wire from a straight wire; the cut-off filament 5 is provided with a front section 5a and a rear section 5b, and the front section 5a and the rear section 5b are close to the brush disc 8 after the cut-off filament 5 is bent; the working arm 47 is arranged along the left-right direction of the frame, one end of the working arm 47 close to the brush disc is the front end of the working arm 47, and the working arm 47 comprises a working part 471 arranged at the front end of the working arm 47 and a connecting part 472 arranged at the rear end of the working arm; the two working portions 471 extend to form opposite clamping blocks 48, the clamping blocks 48 are arranged towards the brush disc 8, limiting grooves 49 which are recessed towards the working arms 47 are formed in the clamping blocks 48, and the width of the limiting grooves 49 is configured to accommodate the cut-off threads 5 but not enable the cut-off threads 5 to be scattered; moreover, the clamping block 48 is provided with a chamfer around the limiting groove 49, so that the limiting groove 49 is horn-shaped, the opening of the limiting groove 49 is larger, and the cut-off wires 5 are easier to slide into the limiting groove 49 in work; the working arm 47 is approximately T-shaped, the working part 471 is connected with the connecting part 472 through a transition part 473, the connecting part 472 and the transition part 473 are vertically arranged on a horizontal plane, the transition part 473 is connected with the working part 471 end to end and arranged in the same direction, and the sum of the lengths of the transition part 473 and the working part 471 is greater than that of the connecting part 472; from connecting portion 472 to work portion 471, the thickness of work arm 47 in vertical direction attenuate to can make the intensity of work arm 47 higher, stability is better, make work arm 47 not occupy too much space when work or not working again.

The two working arms 47 are driven to move by a working arm cylinder group, and the working arm cylinder group comprises a working arm retracting cylinder 52, a working arm lifting cylinder 51 and a second opening and closing cylinder 50; specifically, the two working arms 47 are driven by the working arm retracting cylinder 52 to horizontally move close to or far away from the cut-off wire 5; the two working arms 47 are driven by the working arm lifting cylinder 51 to synchronously lift, and the two ends of the cut-off wires 5 are lifted when the two working arms 47 lift; the two working arms 47 are driven by a second opening and closing air cylinder 50 to open and close, the two working arms 47 are close to and clamp the cut-off material wire 5 when being closed, and the two working arms 47 are released and far away from the cut-off material wire 5 when being separated.

As shown in fig. 6-9, the working arm retracting cylinder 52 is connected to the frame 7 through a first support 53, the working arm lifting cylinder 51 is connected to the working arm retracting cylinder 52 through a second support 54, and the working arm retracting cylinder 52 drives the working arm lifting cylinder 51 to move horizontally in the left-right direction of the frame; the second opening and closing cylinder 50 is connected to the working arm lifting cylinder 51 through a third support 55, and the working arm lifting cylinder 51 drives the second opening and closing cylinder 50 to lift; the first support and the second support are both L-shaped plate-shaped supports, the first support 53 comprises a first transverse plate 53a and a first vertical plate 53b, the first transverse plate 53a is connected to the rack 7, the first vertical plate 57b is connected with the working arm retracting cylinder 52, the first transverse plate 53a is parallel to the horizontal plane, and the first vertical plate 53b is vertically arranged perpendicular to the horizontal plane; the second support 54 comprises a second vertical plate 54a and a third vertical plate 54b, the second vertical plate and the third vertical plate are both vertical to the horizontal plane, the second vertical plate 54a is connected with the working arm retracting cylinder 52 and is driven by the working arm retracting cylinder 52 to horizontally move along the left-right direction of the rack 7, and the third vertical plate 54b is connected with the working arm lifting cylinder 51 and keeps relatively fixed; the second support 54 connects the arm retracting cylinder 52 and the arm elevating cylinder 51, and the two are at an angle of 90 ° in the horizontal plane.

The third support 55 is a stepped support with a wide upper part and a narrow lower part, the third support 55 is gradually shortened from top to bottom, and an inverted convex mounting groove 56 penetrating through the third support 55 is formed in the narrowest layer at the lower part of the third support 55 from left to right; the working arm lifting cylinder 51 is provided with a lifting shaft 57, the upper end shaft head of the lifting shaft 57 is provided with a disc-shaped inserting plate 58 and a limiting plate 59, the inserting plate 58 and the limiting plate 59 are formed in a manner that the upper end shaft head extends outwards in the radial direction on the upper end shaft head, after the inserting plate 58 is arranged in the mounting groove 56, the upper surface of the limiting plate 59 is attached to the lower surface of the third support 55, and therefore the third support 55 is stably connected with the working arm lifting cylinder 51.

In addition, it is necessary to solve the problem that the cut thread 5 may fall out of the working thread hole 6a due to gravity after passing through the working thread hole 6 a: a supporting platform 43 and a supporting baffle 44 for supporting the cut material wire 5 are respectively arranged in front of and behind the working wire hole 6a, and after the cut material wire 5 is inserted into the working wire hole 6a, two ends of the cut material wire are respectively abutted against the supporting platform 43 and the supporting baffle 44.

As shown in fig. 2-4, the supporting baffle 44 is arranged on the frame 7, the supporting baffle 44 is a bent thin sheet, the supporting platform 43 is arranged on the frame and located in front of the brush disc 8, and the supporting platform 43 is provided with a long groove 45 for the cut-off filament 5 to pass through; in order to maintain the stability of the cut-off thread 5, which has not been inserted into the working thread hole 6a, in the long groove 45, an elastic piece 46 for covering the long groove 45 is provided on the support base 43; the bearing baffle 44 comprises a supporting inclined plate 86, a limiting vertical plate 87 and a connecting transverse plate 88, the connecting transverse plate 88 is connected to the frame 7, and the connecting transverse plate 88 is connected with the supporting inclined plate 86 through the limiting vertical plate 87; the distance between the front end of the supporting inclined plate 86 and the rear surface of the supporting platform 43 is smaller than the preset length of the cut-off wire 5 along the front-back direction of the frame 7; along the front and back directions of the frame 7, the distance from the plane where the limit vertical plate 87 is located to the center of the brush disc 8 is 40-50mm, and the distance from the plane where the back surface of the support table 43 is located to the center of the brush disc 8 is smaller than the distance from the plane where the limit vertical plate 87 is located to the center of the brush disc 8; spacing riser 87, brush dish 8 and brace table 43 three's distance ratio, guaranteed to cut the stock silk 5 and can be supported by bearing baffle 44 and brace table 43, when cutting stock silk 5 and penetrating silk hole 6 simultaneously, cut the unsettled distance of 5 tip of stock silk short, cut the entry 41 that the stock silk 5 entered guide hole 34 because of gravity seriously droops forward, and entry 41 is great, guaranteed that slightly drooping cuts the stock silk 5 and can get into guide hole 34 smoothly.

In order to enable the working arm 47 to enter between the support platform 43 and the brush disk 8 and between the support baffle 44 and the brush disk 8 without obstruction, the following arrangement is made that along the front and back directions of the frame 7, the distance from the vertical plane of the front end of the support inclined plate 86 to the center of the brush disk 8 is 30-40mm, the distance from the plane of the back surface of the support platform 43 to the center of the brush disk 8 is equal to the distance from the vertical plane of the front end of the support inclined plate 86 to the center of the brush disk 8, the length of the cut filament 5 entering and being positioned in the long groove 45 is not less than 10mm, and the width of the part of the working arm 47 entering between the support platform 43 and the brush disk 8 or between the support baffle 44 and the brush disk 8 is 15-20 mm.

The working process of the bending mechanism 2, namely the wire bending method for the scale breaking roller brushing disc, is as follows:

as shown in fig. 5-8, the cut-off threads 5 which have just completed threading are straight threads, the front ends of the cut-off threads 5 are located between the long slots 45 and the elastic pieces 46, and the rear ends of the cut-off threads 5 are abutted against the supporting baffle 44; firstly, the working arm retracting cylinder 52 drives the working arm 47 to horizontally move towards the brush disc 8 until the limiting groove 49 is aligned with the cut-off wires 5, at the moment, the two working arms 47 are in a separated state, and the distance between the two working arms is larger than the thickness of the brush disc 8; then the working arm 47 is driven by the working arm lifting cylinder 51 to ascend to the position above the working wire hole 6a but lower than the highest point of the brush disc 8; the cut strand 5 is thus bent into a V-shape; when the two ends of the cut-off wire 5 are lifted by the working arm 47, the front end of the cut-off wire 5 passes over the elastic sheet 46 through the elastic deformation of the elastic sheet 46; and finally, the second opening and closing air cylinder 50 drives the two working arms 47 to be closed until the clamping blocks 48 contact the surface of the brush disc 8, at the moment, the cut-off material wires 5 are restrained in the limiting grooves 49, and the cut-off material wires 5 are clamped into a U shape to finish wire bending work.

Claims (6)

1. The utility model provides a arm lock subassembly for bending material silk which characterized in that: the device comprises at least two working arms arranged in a mirror image manner, and comprises a working part positioned at the front end of the working arm and a connecting part positioned at the rear end of the working arm; the two working parts extend to form clamping blocks facing to each other, and limiting grooves sunken towards the working arms are formed in the clamping blocks.

2. The clamp arm assembly for bending a wire according to claim 1, wherein: the clamping block is provided with a chamfer around the limiting groove, so that the opening of the limiting groove is larger.

3. The clamp arm assembly for bending a wire according to claim 1, wherein: the working arm is approximately T-shaped, the working part is connected with the connecting part through a transition part, the connecting part and the transition part are vertically arranged on a horizontal plane, the transition part is connected with the head and the tail of the working part and arranged in the same direction, and the sum of the lengths of the transition part and the working part is greater than that of the connecting part; from the connecting portion to the working portion, the thickness of the working arm in the vertical direction is reduced.

4. The utility model provides a mechanism of bending which characterized in that: the clamping arm assembly of claim 2 comprises a rack, a brush disc and the clamping arm assembly, wherein the rack is configured as a main body support of the mechanism, the brush disc is rotatably arranged on the rack, the brush disc is provided with wire holes uniformly distributed along the circumferential direction of the brush disc, cut-off wires penetrate through the wire holes, and two ends of the cut-off wires are positioned at the front side and the rear side of the brush disc; the two working arms are respectively positioned at the front side and the rear side of the brush disc in the circumferential direction and are arranged in a way of relatively moving with the frame; the working arm is configured to lift two ends of the cut material wire from bottom to top, so that the cut material wire is bent into a U-shaped wire from a straight wire after sliding into the limiting groove; the cut-off filament is provided with a front section and a rear section, and after the cut-off filament is bent, the front section and the rear section are close to each other and close to the brush disc.

5. The bending mechanism according to claim 4, wherein: the working arm is driven by a working arm cylinder group to move.

6. The bending mechanism according to claim 4, wherein: the working arm cylinder group comprises a working arm retracting cylinder, a working arm lifting cylinder and an opening and closing cylinder; the two working arms are driven by the working arm retracting cylinder to horizontally approach or move away from the cut-off material wire; the two working arms are driven by a working arm lifting cylinder to synchronously lift, and the two working arms lift two ends of the cut wire when rising; the two working arms are driven by the opening and closing air cylinder to open and close, the two working arms are close to and clamp the cut-off material wire when being closed, and the two working arms are loosened and far away from the cut-off material wire when being separated.

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