CN113370330A - Gear cutting device of plate gear-jointing machine - Google Patents

Abstract

The invention provides a tooth cutting device of a plate tooth-jointing machine, which comprises a rack, wherein a fixed shearing knife with a tooth-shaped cutting edge is arranged below the rack, a hydraulic cylinder is transversely arranged above the rack, a rocker is rotatably arranged on a piston rod of the hydraulic cylinder, the other end of the rocker is rotatably connected with a knife rest, a movable shearing knife with a tooth-shaped cutting edge and matched with the fixed cutting knife is arranged at the bottom of the knife rest, a guide column is longitudinally arranged on the rack, and the knife rest is slidably sleeved on the guide column; by adopting the tooth cutting device provided by the invention, the rocker and the guide post are mutually matched to convert the transverse movement of the cutter frame into the vertical movement, so that the movable shearing cutter and the fixed shearing cutter are mutually matched to realize tooth cutting processing, integral shearing can be carried out, one-step forming is realized, burrs are not easily formed on the edge of a cut, and one reciprocating movement of the piston rod can realize twice tooth cutting processing, thereby improving the production efficiency.

Description

Gear cutting device of plate gear-jointing machine

Technical Field

The invention relates to the technical field of manufacturing of plate joggling machines, in particular to a joggling device of a plate joggling machine.

Background

Along with the continuous improvement of people's standard of living, ligneous use quantity and requirement are also higher and higher, for practicing thrift limited timber resource, more fully and high-efficiently utilize current timber, and wood working enterprise adopts the tooth fishplate bar more, cuts out the sawtooth through the shorter timber both ends of tooth cutting equipment with various sizes, and these short timbers splice into standard panel through concatenation equipment again. The existing commonly used tooth joint equipment is mostly processed by a tooth socket wheel saw device, the structure is complex, the edge of a sawed tooth socket is provided with a plurality of burrs, the tooth cutting processing period of the plate is long, and the improvement of the production efficiency is not facilitated.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide the plate tooth-connecting machine tooth cutting device which is simple and reasonable in structure, neat in plate tooth cutting edge and high in tooth cutting production efficiency.

The present invention achieves the above object by:

the invention relates to a tooth cutting device of a plate tooth connecting machine, which comprises a rack, wherein a fixed shearing knife with a tooth-shaped cutting edge is arranged below the rack, a hydraulic cylinder is transversely arranged above the rack, a rocker is rotatably arranged on a piston rod of the hydraulic cylinder, the other end of the rocker is rotatably connected with a knife rest, a movable shearing knife with a tooth-shaped cutting edge and matched with the fixed shearing knife is arranged at the bottom of the knife rest, a guide column is longitudinally arranged on the rack, and the knife rest is slidably sleeved on the guide column.

Furthermore, the hydraulic cylinder adopts a bidirectional piston oil cylinder, the number of the rocking rods is two, the rocking rods are respectively arranged on piston rods at two ends of the hydraulic cylinder, and the other ends of the two rocking rods are rotatably connected at two ends of the knife rest.

Furthermore, an upper fixing seat is arranged on the piston rod, an upper rotating shaft is arranged on the upper fixing seat, a lower fixing seat is arranged on the knife rest, a lower rotating shaft is arranged on the lower fixing seat, and two ends of the rocker are respectively rotatably sleeved on the upper rotating shaft and the lower rotating shaft.

Furthermore, the bottom surface of the movable shearing knife gradually inclines upwards from the tooth-shaped cutting edge backwards.

Furthermore, a sleeve lug is arranged on the knife rest, a pressing plate shaft is arranged in the sleeve lug in a sliding mode, the lower end of the pressing plate shaft is connected with a pressing plate, and a pressure spring is sleeved between the pressing plate and the bottom surface of the sleeve lug.

Furthermore, a tooth-shaped blank pressing edge corresponding to the fixed shearing knife and the movable shearing knife is arranged on the material pressing plate.

Furthermore, a guide plate is arranged on the outer side of the material pressing plate, and the outer edge of the guide plate is tilted upwards.

Further, a mounting plate is transversely arranged below the rack, the fixed shearing knife is fixed to the mounting plate, a waste recovery opening is formed in the mounting plate, and a toothed matching portion matched with the fixed shearing knife and the movable shearing knife is arranged at the edge of the waste recovery opening.

Furthermore, fixed mounting wings are arranged on two sides of the rack, movable mounting wings are arranged on two sides of the knife rest, two guide posts are arranged, the upper ends of the two guide posts are fixed on the fixed mounting wings respectively, and the lower ends of the two guide posts penetrate through the movable mounting wings respectively and are fixed on the mounting plate.

The anti-vibration device comprises four groups of anti-vibration guide shafts and anti-vibration springs, the anti-vibration guide shafts are respectively arranged in front of and behind each guide post, the upper ends of the anti-vibration guide shafts are respectively fixed on the fixed mounting wings, the lower ends of the anti-vibration guide shafts respectively penetrate through the movable mounting wings and are fixed on the mounting plate, and the anti-vibration springs are sleeved outside the anti-vibration guide shafts and are fixedly connected with the fixed mounting wings and the movable mounting wings.

The invention has the beneficial effects that:

the invention provides a tooth cutting device of a plate tooth-jointed machine, which comprises a rack and a fixed shearing knife with a tooth-shaped cutting edge arranged below the rack, wherein a hydraulic cylinder is arranged on the rack along the transverse direction, a rocker is rotatably arranged on a piston rod of the hydraulic cylinder, the other end of the rocker is rotatably connected with a knife rest, a movable shearing knife with the same tooth-shaped cutting edge and matched with the tooth-shaped cutting edge of the fixed shearing knife is arranged below the knife rest, a guide column is also arranged on the rack along the longitudinal direction, and the knife rest is slidably sleeved on the guide column. The hydraulic cylinder can provide stable power, and the transverse movement of the tool rest is converted into up-and-down movement by the cooperation of the rocker and the guide post, so that the movable shearing tool on the tool rest is downwards matched with the fixed shearing tool to realize the tooth cutting processing of the plate; when the rocker swings, the movable shearing knife with the tooth-shaped cutting edge moves downwards to do linear motion, the plate placed on the fixed shearing knife is integrally sheared, one-time forming is achieved, burrs are not prone to forming on the edge of the cut, the rocker can be driven to swing left and right through reciprocation of the piston rod, and therefore twice tooth cutting machining can be achieved, production efficiency is high, meanwhile, the tooth cutting device is suitable for both front end and rear end tooth cutting of the plate, and the structure is simpler.

Drawings

The invention is further illustrated with reference to the following figures and examples:

fig. 1 is a schematic view of an overall structure of a tooth cutting device of a plate tooth connecting machine according to an embodiment of the invention;

FIG. 2 is a first angle schematic view of an internal structure of a toothing device of a panel toothing machine according to an embodiment of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is a second perspective view of an internal structure of a toothing device of a panel toothing machine according to an embodiment of the present invention;

FIG. 5 is an enlarged view of B in FIG. 4;

FIG. 6 is a schematic view of the connection between the tool holder and the ear set according to an embodiment of the present invention;

fig. 7 is an enlarged schematic view of C in fig. 6.

In the figure, 1 a frame, 11 fixed mounting wings, 21 fixed shearing knives, 22 movable shearing knives, 3 hydraulic cylinders, 31 piston rods, 32 upper fixed seats, 33 upper rotating shafts, 4 rocking rods, 5 knife rests, 51 lower fixed seats, 52 lower rotating shafts, 53 sleeve lugs, 54 movable mounting wings, 6 guide posts, 61 pressing plate shafts, 62 pressing plates, 63 pressing springs, 64 tooth-shaped pressing edges, 65 guide plates, 71 shockproof guide shafts, 72 shockproof springs, 8 mounting plates, 9 waste recovery ports and 10 tooth-shaped matching parts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not to be construed as limiting the present invention.

Fig. 1 to 7 show a tooth cutting device of a plate tooth-joining machine according to an embodiment of the present invention, which includes a frame 1, a fixed shearing knife 21 with a toothed blade is disposed below the frame 1, two ends of the fixed shearing knife 21 are fixedly connected to the frame 1, a hydraulic cylinder 3 is disposed above the frame 1 along a transverse direction, a rocker 4 is rotatably disposed on a piston rod 31 of the hydraulic cylinder 3, the other end of the rocker 4 is rotatably connected to a knife rest 5, a movable shearing knife 22 with a toothed blade and matched with the fixed cutting knife 21 is disposed at the bottom of the knife rest 5, a guide post 6 is disposed on the frame 1 along a longitudinal direction, and two ends of the knife rest 5 are respectively slidably sleeved on the corresponding guide posts 6.

By adopting the plate tooth cutting device provided by the invention, the hydraulic cylinder 3 can provide stable power, the rocker 4 is matched with the guide post 6 to convert the transverse movement of the knife rest 5 into the up-and-down movement, so that the knife rest 5 moves up and down along the direction of the guide post 6, the movable shearing knife on the knife rest 5 is driven to move up and down, and the movable shearing knife 22 moves down to be matched with the fixed shearing knife 21 to realize the tooth cutting processing of the plate; the rocker 4 swings, the movable shearing knife 22 with the tooth-shaped cutting edge moves downwards to do linear motion, the plate placed on the fixed shearing knife is integrally sheared, one-step forming is achieved, burrs are not prone to forming on the edge of the cut, the rocker 4 can be driven to swing left and right once through reciprocating movement of the piston rod 31, and therefore twice tooth cutting machining is achieved, production efficiency is high, and meanwhile the tooth cutting device is applicable to both front end tooth cutting and rear end tooth cutting of the plate and simple in structure.

About rocker 4 and guide post 6 mutually support, convert the piston rod motion of lateral shifting into the motion about knife rest 5/convert the lateral shifting motion of knife rest 5 into the motion of reciprocating, and a reciprocating motion of piston rod 31 can drive rocker 4 and accomplish once swing about to realize the principle of twice facing cut processing, can understand:

when the piston rod 31 of the hydraulic cylinder 3 transversely moves from one end to the other end, acting force which transversely moves is transmitted to the rocker 4 and then transmitted to the knife rest 5 by the rocker 4, so that the knife rest 5 transversely moves under the influence of the acting force, however, because the knife rest 5 is slidably sleeved on the guide post 6 and the guide post 6 is fixed on the machine frame 1 and does not move, the guide post 6 can prevent the knife rest 5 from transversely moving, the knife rest 5 can prevent the rocker 4 from transversely moving, the rocker 4 is forced to convert the transversely moving motion into swinging motion, and the knife rest 5 is pushed to downwards move along the direction of the guide post 6 by the swinging motion, so that the tooth cutting processing is realized, after the tooth cutting processing is finished, because the piston rod 31 still transversely moves towards the same direction and the rocker 4 still cannot transversely move under the influence of the guide post 6, the rocker 4 continues to swing towards the same direction, and the tool rest 5 is pulled to move upwards along the direction of the guide post 6 through the swinging until the piston rod 31 stops moving transversely, and then the process is repeated once again when the piston rod 31 moves transversely in the opposite direction, so that when the piston rod 31 does reciprocating movement once, the rocker 4 swings left and right once, and the tool rest 5 realizes the tooth cutting processing twice.

Further, in this embodiment, as shown in fig. 2, the hydraulic cylinder 3 actually adopts a bidirectional piston cylinder, the number of the rocker arms 4 is two, the two rocker arms 4 are respectively rotatably provided with the piston rods 31 at two ends of the hydraulic cylinder 3, and the other ends of the two rocker arms 4 are rotatably connected to two ends of the tool rest 5; in another embodiment, the hydraulic cylinder 3 also adopts a bidirectional piston cylinder, and a piston rod 31 is arranged at any one of two ends of the hydraulic cylinder 3, a rocker 4 is rotatably arranged on the piston rod 31, and the other end of the rocker 4 is rotatably connected to the tool rest 5; by adopting the bidirectional piston oil cylinder, the bidirectional piston oil cylinder can continuously work, so that the piston rod 31 is driven to continuously and rapidly reciprocate, continuous gear cutting is realized, pause cannot occur in the reciprocating process of the piston rod 31, the movable shearing knife 22 can be rapidly cut, and burrs are not easily generated.

Further, as shown in fig. 2, an upper fixing seat 32 is arranged on the piston rod 31, an upper rotating shaft 33 is rotatably arranged on the upper fixing seat 32, a lower fixing seat 51 is arranged on the knife rest 5, a lower rotating shaft 52 is rotatably arranged on the lower fixing seat 51, and two ends of the rocker 4 are respectively rotatably sleeved on the upper rotating shaft 33 and the lower rotating shaft 52.

Further, as shown in fig. 3 and 5, a mounting plate 8 is arranged below the frame 1, the fixed shearing blade 21 is mounted and fixed on the mounting plate 8, a scrap recovery port 9 is further arranged on the mounting plate 8, and a tooth-shaped matching portion 10 matched with the fixed shearing blade 21 and the movable shearing blade 22 is arranged at the edge of the scrap recovery port 9.

Further, the bottom surface of the movable shearing knife 22 gradually inclines upwards from the tooth-shaped cutting edge backward, and by gradually inclining the bottom surface of the movable shearing knife 22 upwards from the tooth-shaped cutting edge backward, when the movable shearing knife 22 moves downwards, the acceleration of the tooth-shaped cutting edge on the knife is larger relative to the rear end of the movable shearing knife 22, so that rapid tooth cutting is realized, and burrs are prevented from being formed on the tooth-cut edge of the plate.

Further, as shown in fig. 1 and 6, a plurality of sleeve lugs 53 are fixedly arranged on the tool holder 5, a pressing plate shaft 61 is slidably mounted in the sleeve lugs 53, a pressing plate 62 is fixedly connected to the lower end of the pressing plate shaft 61, a pressing spring 63 is sleeved between the pressing plate 62 and the bottom surface of the sleeve lugs 53, and the pressing plate 62 is lower than the bottom surface of the movable shearing knife 22; the tool rest 5 drives the pressure plate 62 to move up and down through the sleeve lug 53 and the pressure shaft 61, in the process of moving downwards, the pressure plate 62 is gradually abutted against the fixed shearing knife 21, so that a plate to be subjected to tooth cutting is pressed against the fixed shearing knife 21, the plate is pressed against the fixed shearing knife 21 through the pressure plate 62, the position of the plate is fixed, the plate is prevented from shifting, correct tooth cutting processing is guaranteed, and the phenomenon of miscut is avoided; after the pressing plate 62 is completely pressed against the fixed shearing knife 21, the fixed shearing knife 21 blocks the pressing plate 62 from moving downward continuously, the pressing shaft 61 stops moving downward along with the pressing plate 62, and the sleeve lug 53 is connected with the pressing shaft 61 in a sliding manner, so that the sleeve lug 53 still moves downward along with the knife rest 5, and the pressure spring 63 is compressed.

Further, as shown in fig. 7, a tooth-shaped blank holder 64 corresponding to the fixed shearing blade 21 and the movable shearing blade 22 is arranged on the blank holder 62, the tooth-shaped blank holder 64 is located above the tooth-shaped cutting edge of the fixed shearing blade 21 and is in meshing fit with the tooth-shaped cutting edge of the movable shearing blade 22, and by arranging the tooth-shaped blank holder 64 on the blank holder 62, the tooth-shaped blank holder 64 is matched with the tooth-shaped cutting edge of the fixed shearing blade 21, so that the plate is clamped and fixed, the plate is prevented from being influenced by the movable shearing blade 22 in the tooth cutting process and moving, the cutting is facilitated once, and burrs are avoided.

Further, as shown in fig. 7, a guide plate 65 is disposed outside the pressing plate 62, an outer edge of the guide plate 65 is tilted upward to form a guide inclined surface, the guide inclined surface contacts with the plate, the plate is pushed by the external force from the rear to the bottom along the guide inclined surface on the fixed shearing blade 21, and the plate moves along the upper surface of the fixed shearing blade 21 toward the tooth-shaped blade of the fixed shearing blade 21.

Further, as shown in fig. 2, 3, and 5, two sides of the frame 1 are provided with fixed mounting wings 11, two sides of the tool holder 5 are provided with movable mounting wings 54, there are two guide posts 6, the upper ends of the two guide posts 6 are respectively fixed on the fixed mounting wings 11, and the lower ends of the two guide posts 6 respectively penetrate through the movable mounting wings 54 and are fixed on the mounting plate 8; the anti-vibration device comprises four groups of anti-vibration guide shafts 71 and anti-vibration springs 72 which are respectively arranged in front of and behind each guide post 6, the upper ends of the anti-vibration guide shafts 71 are respectively fixed on the fixed mounting wings 11, the lower ends of the anti-vibration guide shafts 71 respectively penetrate through the movable mounting wings 54 and are fixed on the mounting plate 8, and the anti-vibration springs 72 are sleeved outside the anti-vibration guide shafts 71 and are fixedly connected with the fixed mounting wings 11 and the movable mounting wings 54; in the process that the tool rest 5 moves up and down along the guide post 6, certain friction exists between the tool rest 5 and the guide post 6, the tool rest 5 can shake up and down due to the friction, the cooperation between the movable shearing knife 22 and the fixed shearing knife 21 is influenced, through the arrangement of the shockproof device, the friction vibration between the tool rest 5 and the guide post 6 is transmitted to the shockproof spring 72 through the shockproof guide shaft 71, the shockproof spring 72 absorbs the shock, and the movable shearing knife 22 is prevented from shaking in the tooth cutting process to influence the tooth cutting effect.

It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the spirit and scope of the present invention should be covered by the appended claims.

Claims (10)

1. The utility model provides a panel tooth machine's tooth cuts device which characterized in that: including frame (1), frame (1) below is equipped with fixed sword (21) of cuting of taking the profile of tooth cutting edge, transversely is equipped with pneumatic cylinder (3) in frame (1) top rotatable be provided with rocker (4) on piston rod (31) of pneumatic cylinder (3), the other end of rocker (4) rotates and connects in knife rest (5), the bottom of knife rest (5) be equipped with take the profile of tooth cutting edge and with fixed sword (21) matched with activity is sheared sword (22), vertically be equipped with guide post (6) along on frame (1), knife rest (5) slip suit is in on guide post (6).

2. The tooth cutting device of the plate tooth machine according to claim 1, characterized in that: the hydraulic cylinder (3) adopts a bidirectional piston oil cylinder, the number of the rocking rods (4) is two, the two rocking rods are respectively arranged on piston rods (31) at two ends of the hydraulic cylinder (3), and the other ends of the two rocking rods (4) are rotatably connected at two ends of the knife rest (5).

3. The tooth cutting device of the plate tooth machine according to claim 1, characterized in that: be equipped with on piston rod (31) fixing base (32), it goes up pivot (33) to be equipped with on fixing base (32), be equipped with down fixing base (51) on knife rest (5), be equipped with down pivot (52) down on fixing base (51), the rotatable suit in both ends of rocker (4) respectively go up pivot (33) and lower pivot (52).

4. The tooth cutting device of the plate tooth machine according to claim 1, characterized in that: the bottom surface of the movable shearing knife (22) is gradually inclined upwards from the tooth-shaped cutting edge backwards.

5. The tooth cutting device of the plate tooth machine according to claim 1, characterized in that: be equipped with cover ear (53) on knife rest (5), slidable mounting has clamp plate axle (61) in cover ear (53), the lower extreme of clamp plate axle (61) is connected with pressure flitch (62), pressure spring (63) are equipped with to the cover between the bottom surface of pressure flitch (62) and cover ear (53).

6. The tooth cutting device of the plate tooth machine according to claim 5, characterized in that: and the material pressing plate (62) is provided with a tooth-shaped edge pressing (64) corresponding to the fixed shearing knife (21) and the movable shearing knife (22).

7. The tooth cutting device of the plate tooth machine according to claim 5, characterized in that: the outer side of the material pressing plate (62) is provided with a clamping plate (65), and the outer edge of the clamping plate (65) is tilted upwards.

8. The tooth cutting device of the plate tooth machine according to claim 1, characterized in that: frame (1) below is equipped with mounting panel (8) along transversely, fixed sword (21) of cuting is fixed on mounting panel (8), be equipped with waste recovery mouth (9) on mounting panel (8), waste recovery mouth (9) edge is equipped with and cuts sword (21), activity and cut dentate cooperation portion (10) of sword (22) and mutually support with fixed.

9. The tooth cutting device of the plate tooth machine according to claim 8, characterized in that: frame (1) both sides are equipped with fixed installation wing (11), knife rest (5) both sides are equipped with movable installation wing (54), guide post (6) have two, the upper end of two guide posts (6) is fixed respectively on fixed installation wing (11), the lower extreme passes respectively movable installation wing (54), and fix on mounting panel (8).

10. The tooth cutting device of the plate tooth machine according to claim 9, characterized in that: the anti-vibration device comprises four anti-vibration guide shafts (71) and anti-vibration springs (72) which are arranged in front of and behind each guide column (6), the upper ends of the anti-vibration guide shafts (71) are fixed on the fixed mounting wings (11) respectively, the lower ends of the anti-vibration guide shafts penetrate through the movable mounting wings (54) respectively and are fixed on the mounting plate (8), and the anti-vibration springs (72) are sleeved outside the anti-vibration guide shafts (71) and are fixedly connected with the fixed mounting wings (11) and the movable mounting wings (54).

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