CN113910374A

CN113910374A - Full-automatic forming device for processing wooden handrail

Info

Publication number: CN113910374A
Application number: CN202111191703.3A
Authority: CN
Inventors: 顾金平; 朱坚荣; 施孝红; 岑理章
Original assignee: Ningbo Institute of Finance and Economics
Current assignee: Ningbo Institute of Finance and Economics
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-01-11
Anticipated expiration: 2041-10-13
Also published as: CN113910374B

Abstract

The invention provides a full-automatic forming device for processing a wooden handrail, which comprises a rack, a rotary bracket, a feeding channel, a forming cutter and a cutting cutter, wherein the rotary bracket is arranged on the rack; the rotary support is rotatably mounted on the rack, clamping mechanisms are uniformly distributed on the rotary support in the circumferential direction, and the clamping mechanisms sequentially pass through a feeding station, a forming station, a cutting station and a discharging station which are arranged on the rack along with the rotation of the rotary support; the discharge port of the feeding channel faces the feeding station of the rack, and when the clamping mechanism rotates to the station, the clamping mechanism can push the wood at the lowermost end of the feeding channel and fix the wood to the clamping assembly at the feeding station; the forming cutter is rotationally arranged on the forming station; the cutting tool is rotatably arranged at the cutting station and used for cutting off two ends of the formed railing timber. The full-automatic forming device for processing the wooden handrail integrates the functions of feeding, forming, cutting and discharging, and has the advantages of high automation degree, high production efficiency and good forming effect.

Description

Full-automatic forming device for processing wooden handrail

Technical Field

The invention relates to a railing production device, in particular to a full-automatic forming device for processing a wooden railing.

Background

The railing is a safety facility on bridges and buildings, the railing plays roles of separating and guiding when in use, so that the boundary of a divided area is clear, and the designed railing has a very decorative significance; the latter has a continuous handrail, consisting of a handrail, a newel and a base.

Along with the improvement of living standard, people attach more and more importance to the living quality, in the house ornamentation, especially in the house ornamentation of villa, self-construction room and compound building, people use wooden railing (handrail) usually, and figure 1 is referred to wooden railing 1 structure, and a whole main part 12 that is the rotator, the lateral wall of this main part include the unsmooth arcwall face that links to each other of multistage, and arbitrary cross section of this main part is circular, is provided with the supporting part 11 that the cross section is the square at the upper and lower both ends of main part.

In the traditional production process, the wooden handrail is processed through the profile modeling even by a manual mode, thereby wasting time and energy, having low production efficiency and ensuring the product quality.

Disclosure of Invention

Technical problem to be solved

The invention aims to solve the technical problem of providing a full-automatic forming device for processing a wooden handrail, which has the advantages of compact structure, small occupied space, capability of realizing automatic feeding and discharging and high production efficiency.

Technical scheme for solving problems

The invention provides a full-automatic forming device for processing a wooden handrail, which comprises:

the frame is used as a mounting carrier for mounting other components;

the rotary support is rotatably mounted on the rack, the rotating axis of the rotary support is horizontally arranged, clamping mechanisms for fixing strip-shaped timber are uniformly distributed on the rotary support in the circumferential direction, and the clamping mechanisms sequentially pass through a feeding station, a forming station, a cutting station and a discharging station which are arranged on the rack along with the rotation of the rotary support;

the clamping mechanism is used for clamping the wood at the lowest end of the feeding channel and fixing the wood to the clamping assembly at the feeding station;

the forming cutter 6 is rotationally arranged on the forming station, and a rotating shaft of the forming cutter is parallel to a rotating axis of the rotating bracket;

and the cutting tool 7 is rotatably arranged at the cutting station and is used for cutting off the two ends of the formed railing timber.

Furthermore, the clamping mechanism comprises a clamping assembly and a material supporting assembly, wherein the clamping assembly is rotatably mounted, the material supporting assembly is radially and slidably matched, the rotating direction of the clamping assembly is parallel to the rotating axis of the rotating support, the clamping direction of the clamping assembly is parallel to the length direction of the strip-shaped timber, and the sliding direction of the material supporting assembly is vertical to and intersected with the axis of the rotating support;

when the clamping assembly is positioned at the feeding station, the material supporting assembly is positioned at the outer limit position and can support the strip-shaped timber at the lowest end of the feeding channel, and the clamping assembly is positioned in a loosening state;

when the clamping assembly is positioned at the forming station, the clamping assembly is positioned in a clamping and rotating state, and the material supporting assembly moves downwards and is separated from the strip-shaped timber;

when the clamping assembly is located at the blanking station, the clamping assembly is located in a loosening state.

Furthermore, the clamping mechanism further comprises an auxiliary clamping assembly for clamping the side wall of the timber, and the clamping mechanism is in a clamping state when being positioned between the cutting station and the blanking station.

Furthermore, the rotating support comprises two rotating disc bodies 21 which are arranged in parallel and are rigidly connected, a working area is formed between the two rotating disc bodies, and the clamping mechanism winds the axis of the rotating disc bodies and is uniformly distributed in the working area in the circumferential direction.

Further, the clamping assembly comprises a movable clamping assembly 4 and a fixed clamping assembly 5 which are coaxially arranged, the stroke between the movable clamping assembly 4 and the fixed clamping assembly 5 is used for clamping a clamping area of the strip-shaped timber, a jacking pin is arranged on the movable clamping assembly in a sliding mode, the sliding direction of the jacking pin is parallel to the length direction of the strip-shaped timber, and the jacking pin moves towards the direction of the fixed clamping assembly during clamping; decide clamping component's head and be equipped with the tip that holds bar timber and insert in order to realize radial and axial positioning's of timber positioning channel 550, decide clamping component's afterbody and be equipped with and be used for making positioning channel 550 and feed channel bar timber of the bottom be located same radial plane so that bar timber inserts the accent of constant head tank smoothly to the subassembly when the material loading station.

Further, the movable clamping assembly includes a first mounting seat 41, a first outer sleeve 45, a first inner sleeve 46 and a top pin 47, the first mounting seat 41 is fixed on the rotating bracket, a first mounting hole parallel to the rotating axis of the rotating bracket penetrates through the first mounting seat 41, the first outer sleeve 45 is rotatably mounted in the first mounting hole through a bearing, a first pin 48 is disposed in the first outer sleeve 45, the axis of the first pin 48 is perpendicular to and intersects with the axis of the first outer sleeve 45, the first inner sleeve 46 is slidably mounted in the first outer sleeve 45, a first linear groove 461 for allowing the first pin 48 to penetrate through and limiting the stroke is penetrated through a side wall of the first inner sleeve 46, a first elastic component 463 for allowing the first inner sleeve to move back to the clamping area is disposed between the first outer sleeve 45 and the first inner sleeve 46, the head of the first inner sleeve can extend into the clamping area and form a first clamping part; the top pin 47 is slidably arranged in the inner sleeve 46, the tail of the top pin 47 extends out of the first inner sleeve and forms a pressure head 472 for contacting with a guide surface, a second strip-shaped groove 470 for allowing the first pin shaft 48 to pass through and limiting the stroke is formed in the side wall of the top pin 47, a second elastic component 473 for enabling the top pin to move back to the clamping area is arranged between the first inner sleeve 46 and the top pin 47, the spring stiffness of the second elastic component is larger than that of the first elastic component, and the head of the top pin 47 can extend out of the first inner sleeve and form a top 471.

Further, the fixed clamping assembly comprises a second mounting seat 51, a main shaft 55, a second inner sleeve 57, a top rod 56 and a synchronous pulley 58, the second mounting seat is fixed on the rotary support, a second mounting hole parallel to the axis of the rotary support penetrates through the second mounting seat, the main shaft 55 is rotatably mounted in the second mounting hole through a bearing, a positioning clamping groove 550 is formed in the head of the main shaft, a central hole is formed in the bottom surface of the positioning clamping groove, the top rod 57 is slidably fitted in the central hole, and a third elastic component enabling the top rod 57 to extend into the positioning clamping groove 550 is arranged in the central hole; the synchronous belt pulley 58 is fixed at the tail part of the main shaft; a synchronous belt 84 driven by a driving motor is arranged on the rack, and when the clamping mechanism moves to a forming station, the synchronous belt is in contact with a synchronous belt wheel on the station and drives the synchronous belt wheel to rotate; the synchronous belt wheel is provided with a direction adjusting component.

Further, the direction adjusting assembly comprises a first guide wheel 59 and a guide rail assembly, two first guide wheels 59 are arranged at the end part of the synchronous pulley, the axis of each first guide wheel 59 is parallel to the axis of the synchronous pulley, the guide rail is arranged on the side wall of the rack, the guide rail assembly comprises two arc-shaped rails, a guide section with a large inlet and a small outlet is formed between the two arc-shaped rails, and when the clamping assembly moves to the feeding station, the two first guide wheels and the side wall of the guide section and the positioning clamping groove 550 and the strip-shaped timber at the lowest end of the feeding channel are located on the same radial surface.

Further, the material supporting assembly comprises a supporting rod 37 and a supporting plate 35 which are arranged in parallel and rigidly connected through a connecting rod 36, a shift lever 351 is arranged at the rear end of the supporting plate 35 in the advancing direction, strip-shaped guide holes 210 are symmetrically formed in two sides of the rotating bracket, the axis of each strip-shaped guide hole 210 is located in the plane formed by the supporting rod and the supporting plate, two ends of the supporting rod penetrate through the strip-shaped guide holes 210 and extend out of the rotating bracket, a second guide wheel 38 is arranged at the end part of the supporting rod, a fourth elastic component 39 which enables the supporting rod to move towards the direction of the axis of the rotating bracket is arranged on the rotating bracket, guide plates 8 are symmetrically arranged on two sides of the rack, and guide surfaces which are in contact with the second guide wheel are formed on the side walls of the guide plates 8; when the clamping mechanism moves to the feeding station, the supporting plate 35 is located at the outer limit position and can push and support the strip-shaped timber at the lowest end of the feeding channel and enable the strip-shaped timber to be located between the clamping assemblies.

Further, supplementary centre gripping subassembly sets up the holder at the runing rest both ends including the symmetry, the holder sets up the clamp splice 31 in the clamping area both sides including the symmetry, the clamp splice 31 is installed on the runing rest with rotating, the head of clamp splice 31 forms the clamping part 33 that is used for the fashioned railing of centre gripping, be equipped with on the runing rest and make the clamping part towards keeping away from timber direction pivoted fifth elastomeric element 33, the afterbody of clamp splice 31 is equipped with lug 35, works as when the material supporting subassembly to the runing rest's axis direction move with the lug contact promotes the clamp splice rotates and makes the clamping part presss from both sides tight shaping railing.

Advantageous effects

The full-automatic forming device for processing the wooden handrail integrates the functions of feeding, forming, cutting and discharging, and has the advantages of high automation degree, high production efficiency and good forming effect; the profile of the forming cutter is the same as that of the side wall of the handrail, so that the rapid forming of the handrail can be realized, the efficiency is high, and the forming quality is good; the fixed clamping assembly and the movable clamping assembly are matched with each other, so that rapid clamping can be realized, the arranged positioning groove can provide enough torsion to drive the strip-shaped timber to rotate at high speed, the strip-shaped timber is prevented from slipping, and the forming reliability and stability are further improved; the movable clamping assembly is provided with a double-ejection structure, so that the clamping force and precision can be improved, and meanwhile, wood residual blocks on the ejection tip can be quickly removed after cutting is finished; the ejector rod is arranged in the positioning groove of the fixed clamping assembly, so that residual wood blocks in the positioning groove can be ejected quickly and effectively, the influence of the residual wood blocks on the fixed clamping of the downward-moving strip-shaped wood is avoided, and the reliability and the stability of the overall movement are further improved; the material supporting assembly is arranged, the deflector rod is arranged on the supporting plate and matched with the material pressing plate, so that the strip-shaped timber can be quickly fed, and can quickly and accurately enter the clamping area, and the forming stability of the handrail is improved; set up supplementary centre gripping subassembly and with hold in the palm the linkage of material subassembly, the operation precision is high, presss from both sides tight railing in the cutting process, further improves the shaping stability of railing, avoids the railing to break away from and influence the yields when the cutting.

Drawings

FIG. 1 is a schematic structural view of a wood balustrade embodying the present invention;

FIG. 2 is a schematic structural view of the fully automatic forming device for processing wooden balustrades of the present invention;

FIG. 3 is a schematic view of the internal structure of the fully automatic forming device for processing wooden balustrades of the present invention;

FIG. 4 is a schematic view of a state that a clamping mechanism of the full-automatic forming device for processing the wooden handrail is positioned at a feeding station;

fig. 5 is a schematic view of a clamping mechanism of the full-automatic forming device for processing the wooden handrail in a material taking state;

FIG. 6 is a schematic structural view of a clamping mechanism of the full-automatic forming device for processing the wooden handrail, which is located at a forming station;

FIG. 7 is a schematic structural view of a clamping mechanism of the full-automatic forming device for processing the wooden handrail, which is located at a cutting station;

FIG. 8 is a schematic structural view of a clamping mechanism of the full-automatic forming device for processing the wooden handrail, which is located at a blanking station;

FIG. 9 is a schematic structural view of a clamp block of the fully automatic forming device for processing wooden balustrades of the present invention;

fig. 10 is a schematic structural view of a material supporting assembly of the full-automatic forming device for processing the wooden handrail of the invention;

FIG. 11 is a schematic structural view of a guide plate of the fully automatic forming device for processing wooden balustrades of the present invention;

fig. 12 is a schematic structural view of a forming tool of the full-automatic forming device for processing the wooden handrail of the present invention;

fig. 13 is a schematic structural view of a knock pin guide ring of the full-automatic forming device for processing the wooden handrail of the present invention;

fig. 14 is a schematic structural view of a dynamic clamping assembly of the fully automatic forming device for processing wooden balustrades of the present invention;

fig. 15 is a schematic view of the movable clamping assembly of the fully automatic forming device for processing wooden balustrades of the present invention in a semi-clamping state;

fig. 16 is a schematic view of the fully automatic forming device for processing wooden balustrades of the present invention in a fully clamped state;

fig. 17 is a schematic structural view of a fixed clamping assembly of the fully automatic forming device for processing the wooden handrail of the present invention;

fig. 18 is a schematic view of the clamping state of the fixed clamping assembly of the full-automatic forming device for processing wooden balustrades according to the present invention;

fig. 19 is a schematic view of the installation of the guide wheel of the direction-adjusting component of the fully automatic forming device for processing wooden balustrades of the present invention;

fig. 20 is a schematic structural view of a guide rail assembly of the direction adjusting assembly of the fully automatic forming device for processing the wooden handrail.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

A wooden railing, refer to fig. 1, the railing structure refers to fig. 1, which includes a main body 12, the main body 12 is composed of a plurality of segments of arc-shaped surfaces which are convex or concave, any cross section of the main body is circular, the main body is a rotary body, the upper and lower ends of the main body are provided with supporting parts 11 with square cross sections, the radius of the inscribed circle of the supporting parts 11 is larger than or equal to the maximum outer contour radius of the main body, and the wooden railing is made of strip-shaped wood with square cross sections.

The invention provides a full-automatic forming device for processing a wooden handrail, which is used for automatically processing the wooden handrail, and referring to fig. 2 to 20, the full-automatic forming device comprises a rack, a rotary bracket, a feeding channel 25, a forming cutter 6 and a cutting cutter 7;

the frame is used as a mounting carrier for mounting other parts and comprises a frame main body and a cover plate 22 arranged on the frame main body, a mounting cavity for mounting other mechanisms (components) is formed in the frame main body, the mounting cavity comprises an upper mounting cavity and a lower mounting cavity, the rotary support, the feeding channel, the forming cutter 6 and the cutting cutter are arranged in the upper mounting cavity, and the lower mounting cavity is used for mounting a motor and other electrical appliances; apron detachably installs on the frame surface, plays the guard action, improves the safety in utilization.

The rotary support is rotatably installed in the upper installation cavity, the rotating axis of the rotary support is horizontally arranged, at least 5 clamping mechanisms for fixing strip-shaped timber are uniformly distributed on the rotary support in the circumferential direction, and the clamping mechanisms sequentially pass through a feeding station, a forming station, a cutting station and a blanking station which are arranged on the upper installation cavity along with the rotation of the rotary support; the feeding station is used for feeding strip-shaped timber, the forming station is used for processing the strip-shaped timber into a handrail, the cutting station is used for cutting off two ends of the handrail and enabling the handrail to form a finished handrail product with a specified length, and the blanking station is used for blanking, namely the handrail to be processed is sent out from the rack; in this embodiment, the runing rest includes two parallel arrangement and through connecting rod rigid connection's carousel disk body 21, and this carousel disk body is circular, and the plane perpendicular to horizontal plane at carousel disk body place, stroke workspace between two carousel disk bodies, clamping machine construct around the axis circumference equipartition of carousel disk body in the workspace, specifically, circumference equipartition is on carousel disk body 21.

The feeding channel is arranged at the upper end of the upper mounting cavity and used for feeding strip-shaped timber, the strip-shaped timber in the feeding channel is horizontally stacked and arranged, the lower end of the feeding channel is bent towards the advancing direction of the rotary support and forms a discharge port, the discharge port faces towards a feeding station, and when the clamping mechanism rotates to the feeding station, the clamping assembly can push the strip-shaped timber located at the discharge port (the lowest end of the feeding channel) and fix the strip-shaped timber to the clamping assembly price so as to enter the next station along with the rotation of the rotary support.

The forming cutter 6 is rotationally arranged on a forming station and used for processing and forming the main body part of the railing, the forming cutter is provided with a cutting edge with the same outline as the main body part 12 of the railing, the rotating axis of the forming cutter 6 is parallel to the rotating axis of the rotating bracket and is driven by a cutter motor, and the rotating direction of the forming cutter is the same as the rotating direction of the strip-shaped timber (clamping component) on the station; referring to fig. 12, the forming tool includes a cylindrical tool holder 62, a main shaft 61 is disposed at the center of each end of the tool holder, a strip-shaped blade mounting groove is disposed on the side wall of the tool holder 62, the length direction of the blade mounting groove is parallel to the length (axis) direction of the tool holder, in this embodiment, at least two blade mounting grooves are circumferentially and uniformly distributed, a forming blade 63 is fixed in the blade mounting groove through a bolt, and a blade portion having the same profile as the side wall of the main body portion 12 of the rail is disposed on the blade body 63.

The cutting tool 7 is rotatably arranged at the cutting station, comprises two parallel blades which are respectively positioned at the two ends of the handrail and used for cutting off the two ends of the handrail so as to enable the handrail to form a finished handrail product with a specified length; the cutting tool 7 is driven by a power mechanism, in this embodiment, the forming tool is driven by the same motor.

The clamping mechanism comprises a clamping assembly and a material supporting assembly 3, wherein the clamping assembly is rotationally arranged on a rotating support (a turntable disc body), the material supporting assembly is radially matched in a sliding manner, the rotating direction of the clamping assembly is parallel to the rotating axis of the rotating support, the clamping direction of the clamping assembly is parallel to the length direction of the strip-shaped timber, namely the clamping direction is parallel to the rotating axis of the strip-shaped timber, and the sliding direction of the material supporting assembly is vertical to and intersected with the axis of the rotating support, namely the sliding direction of the material supporting assembly is parallel to the radius direction of the turntable disc body;

for convenience of description, in this embodiment, a clamping area for clamping (along the length direction) is defined between the clamping assemblies, and a material supporting area is defined above a material supporting plate supporting surface of the material supporting assembly;

referring to fig. 4-5, when the clamping mechanism is located at the feeding station, the material supporting assembly is located at the outer limit position and can support the strip-shaped timber at the lowest end of the feeding channel, the clamping assembly is located at the loosening state and does not rotate, and at the moment, the clamping area of the clamping assembly is overlapped with the material supporting area of the material supporting assembly;

referring to fig. 6, when the clamping mechanism is located at the forming station, the clamping assembly is located in a clamping and (power-driven) rotating state, the material supporting assembly moves downwards and is separated from the strip-shaped timber, at the moment, a clamping area of the clamping assembly does not coincide with a material supporting area of the material supporting assembly, namely, the clamping assembly drives the strip-shaped timber to rotate, the material supporting assembly is close to one side of the axis end of the rotating support, the rotating strip-shaped timber is prevented from being influenced, and simultaneously along with the rotation of the rotating support, the strip-shaped timber on the station is close to the forming cutter firstly and then is far away from the forming cutter, so that the gradual processing and forming of the timber are formed;

referring to fig. 8, when the clamping mechanism is located at the blanking station, the clamping assembly is in a loose state, and the forming rail on the clamping assembly falls off due to gravity, in this embodiment, a discharge opening 200 is provided at the blanking station of the rack, and a blanking plate 26 is obliquely provided at the lower end of the discharge opening 200.

Referring to fig. 7, when the clamping mechanism is located the cutting station, the clamping assembly is located the clamping state, in order to avoid the railing directly dropping when cutting, in this embodiment, the clamping assembly is still including the supplementary centre gripping subassembly that is used for pressing from both sides tight timber lateral wall (non-tip), and when being in the cutting station, this supplementary centre gripping subassembly presss from both sides tight railing lateral wall, avoids cutting off at both ends the back railing and drops, improves the cutting effect simultaneously, avoids appearing the circumstances such as cutting incompletely.

In the embodiment, the clamping assembly comprises a movable clamping assembly 4 and a fixed clamping assembly 5 which are coaxially arranged, the movable clamping assembly 4 and the fixed clamping assembly 5 are oppositely arranged, specifically, the movable clamping assembly is fixed on the inner side wall of a turntable disc body, the axis of the movable clamping assembly is parallel to the axis of the rotating support, the fixed clamping assembly 5 is arranged on the inner side wall of the other turntable disc body and is coaxially arranged with the movable clamping assembly, a clamping area for clamping strip-shaped timber is formed between the movable clamping assembly and the fixed clamping assembly, the clamping area is parallel to the length direction of the strip-shaped timber and clamps two ends of the strip-shaped timber; the sliding direction of the ejector pin is parallel to the length direction of the strip-shaped timber, namely the axial direction of the movable clamping assembly, and when the movable clamping assembly is clamped, the ejector pin moves towards the direction close to the fixed clamping assembly, so that the length of a clamping area is reduced, and clamping is realized; specifically, referring to fig. 14-16, the dynamic clamping assembly includes a first mounting seat 41, a first outer sleeve 45, a first inner sleeve 46 and a knock pin 47, the first mounting seat 41 is integrally located in a cylindrical shape, an end portion of the first mounting seat is radially bent outward by 90 degrees to form a mounting portion, mounting holes are uniformly distributed on the disk body of the turntable in the circumferential direction, the first mounting seat is sleeved in the mounting holes of the disk body of the turntable, the mounting portion is attached to the disk body of the turntable and fixed by bolts, a first mounting hole penetrates through the first mounting seat 41, the axis of the first mounting hole is parallel to the axis of the rotating bracket, the first outer sleeve 45 is rotatably mounted in the first mounting hole by a bearing 42, two bearings are provided, a spacer 43 is provided between the two bearings, the two spacers include an inner spacer and an outer spacer which are coaxially arranged, and are respectively in contact with the inner ring and the outer ring of the bearing, and can bear the axial force, a clamp spring 44 is further arranged on the inner wall of the first mounting hole for fixing a bearing, a sealing assembly is arranged between the first mounting hole and the outer wall of the first outer sleeve, a first pin shaft 48 is fixed in the first outer sleeve 45, the axis of the first pin shaft 48 is vertical to and intersects with the axis of the first outer sleeve 45, the first inner sleeve 46 is slidably fitted in the first outer sleeve 45, the sliding direction of the first inner sleeve is parallel to the axis of the first outer sleeve, a first straight groove 461 for allowing the first pin shaft 48 to pass through is penetrated through the side wall of the first inner sleeve 46, the length direction of the first straight groove is parallel to the axis direction of the first inner sleeve and is used for limiting the moving stroke of the first inner sleeve 46 in the first outer sleeve 45, a first elastic part 463 for enabling the first inner sleeve to move back to the clamping area is arranged between the first outer sleeve 45 and the first inner sleeve 46, the head of the first inner sleeve can extend (move) into the clamping area and form a first clamping part, specifically, the tail portion (the side away from the fixed clamping assembly) of the first inner sleeve 46 extends axially outside the first outer sleeve, and the end portion thereof is bent radially outward by 90 degrees to form a first supporting portion 462, a first elastic component 463 is arranged between the first supporting portion 462 and the end portion of the first outer sleeve, the first elastic components are at least three and circumferentially and uniformly distributed, in this embodiment, spring slots are circumferentially and uniformly distributed on the opposite surfaces of the first supporting portion 462 and the first outer sleeve 45, both ends of the first elastic component are sleeved in the spring slots, and the first elastic component is a compression spring; the top pin 47 is slidably fitted in the inner sleeve 46, the tail of the top pin 47 extends axially outside the first inner sleeve 46 and forms a pressure head 472 for contacting with the guide surface of the top pin guide ring, in order to reduce friction, a hemispherical contact surface 472a is provided on the end surface of the pressure head, in this embodiment, the pressure head 472 is fixed on the end portion of the tail of the top pin by a bolt, the diameter of the pressure head is larger than that of the top pin, a second elastic member 473 is provided between the end portion of the pressure head and the first support part 462 of the inner sleeve, the third elastic member 473 is a compression spring and is sleeved on the top pin, a second strip-shaped groove 470 penetrates through the side wall of the top pin 47, the length direction of the second strip-shaped groove is parallel to the axial direction of the top pin, the first pin shaft pin is sleeved in the second strip-shaped groove and is used for limiting the movement stroke of the top pin, the spring stiffness of the second elastic member 473 is larger than that of the first elastic member 463, the head of the top pin 47 can extend outside the first inner sleeve and form a top pin 471, the end face of the head of the ejector pin 47 is provided with a conical body for being inserted into the end face of the strip-shaped timber to realize fixation, so that the timber can be conveniently rotated and processed; when the pressure head 472 is pressed (from the guide surface of the ejector pin guide ring) to approach the fixed clamping assembly, because the spring stiffness of the second elastic component is greater than that of the first elastic component, the ejector pin 47 pushes the first inner sleeve 46 to move inwards, so that the end part of the first inner sleeve is in contact with the strip-shaped timber, the inner sleeve cannot slide inwards continuously, at this time, the ejector pin 47 continues to move inwards, and the inner sleeve does not move until the head (tip) of the ejector pin shaft extends out of the first inner sleeve and can be inserted into the end part of the strip-shaped timber to serve as the center of rotation of the timber, in the embodiment, the extending distance h1 of the inner sleeve is 3mm-8mm, and the extending distance h2 of the ejector pin is 5mm-10 mm. During clamping, the first inner sleeve is firstly contacted with the end part of the strip-shaped timber to realize initial clamping, then the ejector pin continues to move and the ejector pin at the end part is inserted into the end part of the strip-shaped timber, so that the timber is prevented from deviating and even separating during molding processing; after cutting is finished, the ejector pin moves backwards under the action of spring force, the wood residual block on the tip is contacted with the end part of the first inner sleeve pipe in the moving process until the wood residual block is separated from the tip, and finally, the ejector pin and the first inner sleeve pipe reset.

Referring to fig. 13, the knock pin guide ring is used for driving the knock pin to act so as to clamp the knock pin, and includes an annular body 9 having a circular shape as a whole, a guide surface for contacting with the pressure head is formed on an end surface of the annular body 9, the guide surface has a high guide surface 91 and a low guide surface 92, an axial height of the high guide surface is greater than an axial height of the low guide surface, the high guide surface and the low guide surface are connected through an arc-shaped guide surface, the pressure head contacts with the high guide surface in the clamping state, the pressure head contacts with the low guide surface in the loosening state, and the blanking station and the loading station (including the loading station) are in the loosening state and in the clamping state.

Referring to fig. 17-18, the fixed clamping assembly includes a second mounting base 51, a main shaft 55, a second inner sleeve 57, a top rod 56 and a synchronous pulley 58, the second mounting base is fixed on the rotary bracket by bolts, specifically, is mounted on the other turntable body and is coaxially arranged with the movable clamping assembly, a second mounting hole parallel to the axis of the rotary bracket is penetrated through the second mounting base, the main shaft 55 is rotatably mounted in the second mounting hole by bearings 52, the two bearings are provided with a spacer 53 between the two bearings, the two spacers include an inner spacer and an outer spacer which are coaxially arranged, are respectively contacted with the inner ring and the outer ring side wall of the bearing and can bear the axial force, a clamp spring 54 is further arranged on the inner wall of the first mounting hole for fixing the bearing, a sealing assembly is arranged between the second mounting hole and the outer wall of the second outer sleeve, a positioning clamp groove 550 is arranged on the head of the main shaft, the positioning clamping groove is square, the end part of the positioning clamping groove is provided with a chamfer which corresponds to the end part of the strip-shaped timber, the strip-shaped timber can be inserted into the positioning clamping groove and can drive the strip-shaped timber to rotate, a central hole is arranged on the bottom surface of the positioning clamping groove, the ejector rod 57 is slidably arranged in the central hole, a third elastic component which enables the ejector rod 57 to extend into the positioning clamping groove 550 is arranged in the central hole, specifically, a sleeve 57 is arranged in the central hole, the ejector rod is arranged in the sleeve 57 in a sliding way, a second pin 562 is fixed in the sleeve, the axis of the second pin shaft is vertical and intersected with the axis of the sleeve, a third strip-shaped groove 560 penetrates through the side wall of the ejector rod 57, the second pin shaft penetrates through the top rod and is used for limiting, the head part of the top rod is provided with a top head 561 which is used for contacting with the end part of the timber, when the timber is inserted and clamped, the ejector is positioned in the central hole, and when the cutting is finished, the ejector moves outwards and ejects residual wood blocks positioned in the positioning clamping groove; the synchronous belt pulley 58 is fixed at the tail part of the main shaft; a synchronous belt 84 driven by a driving motor is arranged on the frame, and when the clamping mechanism moves to a forming station, the synchronous belt is in contact with a synchronous belt wheel on the station and drives the synchronous belt wheel to rotate so as to realize forming processing.

In this embodiment, three main

synchronous guide wheels

81, 82, and 83 are disposed on the frame, the three main synchronous pulleys form a triangular structure, one of the synchronous pulleys is connected to the driving motor, a synchronous belt 84 is disposed between the three synchronous pulleys, and before the clamping mechanism moves to the forming station, the synchronous pulley on the fixed clamping assembly contacts with the synchronous belt and drives the main shaft to rotate, so as to facilitate forming processing.

The tail part of the fixed clamping assembly (the end part of the synchronous pulley) is provided with a direction adjusting assembly which is used for enabling the positioning groove 550 and the strip-shaped timber at the lowest end of the feeding channel to be positioned on the same radial surface when the feeding station is started so that the strip-shaped timber can be smoothly inserted into the positioning groove.

Referring to fig. 19-20, the direction-adjusting assembly comprises a first guide wheel 59 and a guide rail assembly, two first guide wheels 59 are arranged at the end of the synchronous pulley, the axis of the first guide wheels 59 is parallel to the axis of the synchronous pulley, the guide rail is arranged on the side wall of the frame, the guide rail assembly comprises two arc-shaped rails 1001 and 1002, a guide section 1003 with a large inlet and a small outlet is formed between the two arc-shaped rails, taking the rotating shaft of the rotating bracket as the center of a circle, the minimum distance between the first guide wheel 59 and the center of a circle is R, the maximum distance is R, a first reference circle taking the distance R as the radius and a second reference circle taking the distance R as the radius by taking the axis of the rotating bracket as the center of a circle, wherein the first reference circle and the second reference circle are positioned in the opening of the guide section, when the clamping assembly moves to the feeding station (slightly deviated), the two first guide wheels are positioned on the same radial surface with the side wall of the guide section and the strip-shaped timber at the lowest end of the feeding channel and the positioning clamping groove 550.

Referring to fig. 3-8 and 10-11, the material supporting assembly includes a supporting rod 37 and a supporting plate 35, which are disposed in parallel and rigidly connected by a connecting rod 36, the length direction of the supporting rod or the supporting plate is parallel to the axis of the rotating bracket, and the length of the supporting plate is smaller than that of the supporting rod, a shift lever 351 facing the material supporting area is disposed on the rear end side wall of the advancing direction of the supporting plate 35, strip-shaped guide holes 210 are symmetrically disposed on both sides of the rotating bracket (the turntable body), the axis of the strip-shaped guide hole 210 is located in the plane formed by the supporting rod and the supporting plate, in this embodiment, the length direction of the strip-shaped guide hole is the radial direction of the turntable body, both ends of the supporting rod extend out of the rotating bracket after penetrating through the strip-shaped guide hole 210, and are disposed with a second guide wheel 38 at the end thereof, the axis of the second guide wheel is parallel (or coaxial) with the axis of the rotating bracket, in order to avoid the swinging (rotation) of the supporting plate, a parallel slide-fit surface is disposed at the end of the supporting rod, the sliding surface is matched with the strip-shaped guide hole to realize the sliding of the support rod and avoid the rotation of the support rod, and a fourth elastic component 39 is arranged on the rotary bracket and enables the support rod to move towards the axial direction of the rotary bracket.

Referring to fig. 11, guide plates 8 are symmetrically arranged at both sides of the frame, and the side walls of the guide plates 8 form guide surfaces which contact with the second guide wheels to control the movement of the pallets; when the clamping mechanism moves to the feeding station, the supporting plate 35 is positioned at an external limit position (the side far away from the axis of the rotating bracket), and can push and support the strip-shaped timber at the lowest end of the feeding channel and enable the strip-shaped timber to be positioned between the clamping assemblies; the guide plate is provided with a hole 80 for allowing a rotating shaft of the rotating support to pass through, the guide surfaces on the side wall of the guide plate comprise a first guide surface 81, a second guide surface 82, a third guide surface 83 and a fourth guide surface 84 which are sequentially connected and form a ring shape, the first guide surface is far away from the axis, and the second guide wheel can move to the outer limit position for feeding wood; the second guide surface enables the supporting plate to be separated from the clamping area so that the timber can rotate smoothly, and the distance between the supporting plate and the axis of the clamping assembly is larger than the radius of an excircle circle of the timber; the third guide surface is close to the axis, so that the second guide wheel is positioned at the inner limit position, and the auxiliary clamping assembly can clamp the formed handrail and is used for fixing the handrail during cutting; the fourth guide surface is connected between the first guide surface and the third guide surface to form transition, and the auxiliary clamping assembly is properly arranged in the blanking station to loosen and separate the handrail so as to realize blanking.

Referring to fig. 3-9, the auxiliary clamping assembly includes two sets of clamping members symmetrically disposed at two ends of the rotary bracket, the distance between the two clamping members is smaller than the distance between the two cutting tools 7, (each set of clamping member includes clamping blocks 31 symmetrically disposed at two sides of the strip guide hole (or clamping area), the clamping blocks 31 are rotatably mounted on the rotary bracket, specifically, rotatably mounted on the turntable tray body through the rotating shaft 314, the rotating axis of the clamping blocks is parallel to the axis of the rotary bracket, the distance from the head of the clamping blocks 31 to the rotating shaft of the clamping blocks is greater than the distance from the tail of the clamping blocks to the rotating shaft of the clamping blocks, the distance ratio of the two is 1/6-1/2, the head of the clamping blocks is formed with a clamping portion 313 for clamping the formed side wall of the balustrade, therefore, the clamping face of the clamping portion 33 is attached to the side wall of the formed balustrade, the clamping force is improved, and at the same time, the wooden handrail is prevented from being damaged by pressure; the tail part of the clamping block is provided with a convex block 315, the convex block 315 faces the material supporting assembly and is positioned at the lower end (close to one side of the axis of the rotary bracket) of the supporting plate, the lower end of the supporting plate is provided with a groove 350 corresponding to the convex block, when the supporting plate moves downwards to the axis of the rotary bracket, the lower end of the supporting plate can press the convex block 315 and drive the clamping block 31 to rotate towards the direction of clamping wood (a handrail), and when the supporting plate 35 moves to the lower limit position, the clamping part can be attached to the side wall of the handrail and realize clamping, so that the two ends of the handrail can be cut off conveniently; the fifth elastic component 33 is arranged on the rotary support, the fifth elastic component 33 enables the clamping part to rotate towards the direction far away from the railing (clamping area), meanwhile, the limiting part 32 is arranged on the rotary support (turntable disc body) and used for limiting the rotation of the clamping block 31, when the supporting plate is separated from the lug, the clamping block 31 rotates to the outer limit under the action force of the fifth elastic component and contacts with the limiting part, and the clamping block 31 is prevented from rotating over the stroke.

The feeding channel is arranged at the top of the upper mounting cavity, the cross section of the feeding channel is rectangular and can accommodate horizontally arranged strip-shaped wood, the length direction of the strip-shaped wood is parallel to the rotating shaft of the rotating bracket, in the embodiment, the feeding channel is made of a plurality of strip-shaped steel plates, the lower end of the feeding channel is completely arc-shaped towards the rotating shaft of the rotating bracket, the lower end of the feeding channel just faces the rotating shaft of the rotating bracket, the outlet end of the feeding channel is bent by 90 degrees towards the advancing direction of the rotating bracket to form a discharge port, the lower end of the discharge port is provided with a support plate 252 (formed by bending steel bars), the upper end of the discharge port is provided with a pressure plate 251, when the clamping mechanism rotates to a feeding station, a deflector rod 351 on the side wall of the material supporting plate rotates along with the rotating bracket to stir the strip-shaped wood positioned at the lowest top end of the feeding channel and discharge the strip-shaped wood from the discharge port, and the pressure plate at the upper end of the discharge port can prevent the strip-shaped wood from being thrown out after being separated from the discharge port, meanwhile, the pressure plate applies downward force to the strip-shaped timber and enables the strip-shaped timber to be attached to the material supporting plate, so that the strip-shaped timber completely falls into the clamping area, and at the moment, the clamping assembly clamps the strip-shaped timber tightly, so that the strip-shaped timber is accurately positioned, clamped and fixed.

In order to further improve degree of automation, and avoid the idle running, the discharge gate end at feedstock channel is provided with photoelectric sensor, and when no bar timber was in feedstock channel, photoelectric sensor sent the sensing signal and realized reporting to the police through the alarm device who sets up at the frame lateral wall, and alarm device includes alarm lamp or bee calling organ, or sets up alarm lamp and bee calling organ simultaneously, realizes audible and visual alarm.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a full automatic molding device for processing of wooden railing which characterized in that includes:

the frame is used as a mounting carrier for mounting other components;

the forming cutter (6) is rotationally arranged on the forming station, and a rotating shaft of the forming cutter is parallel to a rotating axis of the rotating bracket;

and the cutting tool (7) is rotatably arranged at the cutting station and is used for cutting off two ends of the formed railing timber.

2. The fully automatic forming device for processing the wooden handrail as claimed in claim 1, wherein: the clamping mechanism comprises a clamping assembly and a material supporting assembly, wherein the clamping assembly is rotatably mounted, the material supporting assembly is radially and slidably matched, the rotating direction of the clamping assembly is parallel to the rotating axis of the rotating support, the clamping direction of the clamping assembly is parallel to the length direction of the strip-shaped timber, and the sliding direction of the material supporting assembly is vertical to and intersected with the axis of the rotating support;

3. The fully automatic forming device for processing the wooden handrail as claimed in claim 1, wherein: the clamping mechanism further comprises an auxiliary clamping assembly for clamping the side wall of the timber, and the clamping mechanism is in a clamping state when being located between the cutting station and the blanking station.

4. The fully automatic forming device for processing the wooden handrail as claimed in claim 1, wherein: the rotary support comprises two rotary table bodies (21) which are arranged in parallel and are rigidly connected, a working area is formed between the rotary table bodies, and the clamping mechanism winds the axis of the rotary table bodies and is uniformly distributed in the working area in the circumferential direction.

5. The fully automatic forming device for processing the wooden handrail as claimed in claim 1, wherein: the clamping assembly comprises a movable clamping assembly (4) and a fixed clamping assembly (5) which are coaxially arranged, the stroke between the movable clamping assembly (4) and the fixed clamping assembly (5) is used for clamping a clamping area of the strip-shaped timber, a jacking pin is matched on the movable clamping assembly in a sliding mode, the sliding direction of the jacking pin is parallel to the length direction of the strip-shaped timber, and the jacking pin moves towards the direction of the fixed clamping assembly when clamping is carried out; decide clamping component's head and be equipped with tip that holds bar timber and insert positioning channel (550) in order to realize radial and axial positioning of timber, decide clamping component's afterbody and be equipped with and be used for making when the material loading station constant head tank (550) and feed channel bar timber of bottommost be located same radial plane so that bar timber inserts the accent of constant head tank smoothly to the subassembly.

6. The fully automatic forming device for processing the wooden handrail as claimed in claim 1, wherein: the movable clamping assembly comprises a first mounting seat (41), a first outer sleeve (45), a first inner sleeve (46) and a top pin (47), the first mounting seat (41) is fixed on the rotating support, a first mounting hole parallel to the rotating axis of the rotating support penetrates through the first mounting seat (41), the first outer sleeve (45) is rotatably mounted in the first mounting hole through a bearing, the first inner sleeve (46) is slidably matched in the first outer sleeve (45), a first elastic component (463) enabling the first inner sleeve to move back to a clamping area is arranged between the first outer sleeve (45) and the first inner sleeve (46), and the head of the first inner sleeve can extend into the clamping area and form a first clamping part; the ejector pin (47) is arranged in the inner sleeve (46) in a sliding mode, the tail portion of the ejector pin (47) extends out of the first inner sleeve and forms a pressure head (472) used for being in contact with a guide surface, a second elastic component (473) enabling the ejector pin to move back to the clamping area is arranged between the first inner sleeve (46) and the ejector pin (47), the spring stiffness of the second elastic component is larger than that of the first elastic component, and the head portion of the ejector pin (47) can extend out of the first inner sleeve and form an ejector tip (471).

7. The fully automatic forming device for processing the wooden handrail as claimed in claim 1, wherein: the fixed clamping assembly comprises a second mounting seat (51), a main shaft (55), a second inner sleeve (57), an ejector rod (56) and a synchronous pulley (58), the second mounting seat is fixed on the rotary support, a second mounting hole parallel to the axis of the rotary support penetrates through the second mounting seat, the main shaft (55) is rotatably mounted in the second mounting hole through a bearing, the head of the main shaft is provided with a positioning clamping groove (550), the bottom surface of the positioning clamping groove is provided with a central hole, the ejector rod (57) is slidably matched in the central hole, and a third elastic component enabling the ejector rod (57) to extend into the positioning clamping groove (550) is arranged in the central hole; the synchronous belt wheel (58) is fixed at the tail part of the main shaft; a synchronous belt (84) driven by a driving motor is arranged on the rack, and when the clamping mechanism moves to a forming station, the synchronous belt is in contact with a synchronous belt wheel on the station and drives the synchronous belt wheel to rotate; the synchronous belt wheel is provided with a direction adjusting component.

8. The fully automatic forming device for processing the wooden handrail as claimed in claim 1, wherein: the direction adjusting assembly comprises first guide wheels (59) and a guide rail assembly, the end portions of the synchronous pulleys are provided with two first guide wheels (59), the axis of each first guide wheel (59) is parallel to the axis of the synchronous pulley, the guide rail is arranged on the side wall of the rack, the guide rail assembly comprises two arc-shaped rails, a guide interval with a large inlet and a small outlet is formed between the two arc-shaped rails, and when the clamping assembly moves to a feeding station, the two first guide wheels are located on the same radial surface with the side wall of the guide interval and enable the positioning clamping groove (550) and the strip-shaped timber at the lowest end of the feeding channel.

9. The fully automatic forming device for processing the wooden handrail as claimed in claim 1, wherein: the material supporting assembly comprises a supporting rod (37) and a supporting plate (35) which are arranged in parallel and rigidly connected through a connecting rod 36, a driving lever (351) is arranged at the rear end of the advancing direction of the supporting plate (35), strip-shaped guide holes (210) are symmetrically formed in two sides of the rotating support, the axis of each strip-shaped guide hole (210) is positioned in the plane formed by the supporting rod and the supporting plate, two ends of each supporting rod penetrate through the strip-shaped guide holes (210) and extend out of the rotating support, a second guide wheel (38) is arranged at the end part of each supporting rod, a fourth elastic component (39) enabling the supporting rod to move towards the axis direction of the rotating support is arranged on the rotating support, guide plates (8) are symmetrically arranged on two sides of the rack, the side walls of the guide plates (8) form guide surfaces in contact with the second guide wheels, and the supporting plate (35) is positioned at an extreme limit position when the clamping mechanism moves to a feeding station, And can push and support the strip-shaped timber at the lowest end of the feeding channel and enable the strip-shaped timber to be positioned between the clamping assemblies.

10. The fully automatic forming device for processing the wooden handrail as claimed in claim 1, wherein: supplementary centre gripping subassembly sets up the holder at the runing rest both ends including the symmetry, the holder sets up clamp splice (31) in the clamping zone both sides including the symmetry, install on the runing rest clamp splice (31) with rotating, the head of clamp splice (31) forms clamping part (33) that are used for the fashioned railing of centre gripping, be equipped with on the runing rest and make the clamping part towards keeping away from timber direction pivoted fifth elastomeric element (33), the afterbody of clamp splice (31) is equipped with lug (35), works as when holding in the palm the material subassembly to the axis direction motion of runing rest with the lug contact promotes the clamp splice rotates and makes the clamping part presss from both sides tight shaping railing.