CN217891256U - Fence threading device - Google Patents

Abstract

The utility model provides a fence threading device, relates to bamboo wood processing technology field, including: the threading device comprises a threading needle and a plurality of needle clamping structures, wherein the plurality of needle clamping structures are fixed on a base frame in the environment, the plurality of needle clamping structures are used for clamping the threading needle to enable the threading needle to be suspended in the air, and a temporary interval is arranged between every two adjacent needle clamping structures; the single needle clamping structure clamps the threading needle to maintain the suspended state of the threading needle, the plurality of needle clamping structures clamp the threading needle at staggered time, and a channel for an object to pass through is formed when the needle clamping mechanism clamps the threading needle. This application fence threading device through setting up two at least clamp needle structures, guarantees at the in-process of bamboo pole threading that the threading needle is continuously hung on same position, and the clamping jaw is upwards turned up simultaneously and is the passageway that can provide the pass through for the bamboo pole, prevents to press from both sides the needle structure and interferes the route stroke of advancing of bamboo pole at the process of threading, improves the efficiency and the quality of threading.

Description

Fence threading device

Technical Field

The utility model relates to a bamboo wood processing technology field especially relates to a fence threading device.

Background

The fence is also called a fence and a guardrail and is a protective structure used for separating a house courtyard from the outside ecology by human beings since ancient times, the fence ring can play a role of wind shielding around vegetation bred and cultivated by house breeding, a microclimate internal environment is provided for the growth of the vegetation, and in addition, the fence can also prevent animals bred in rural areas such as dogs, chickens and ducks from entering and trampling the vegetation. Generally, common materials for manufacturing the fence comprise wood, bamboo, reed, shrub and stone, the bamboo is generally used as a preferred material for manufacturing the fence as a plant with high growth speed and high toughness, and with the development of modern tourism industry, the fence wall made of bamboo in each scenic spot can add antique color to the scenic spot, so that the application market of the bamboo fence is larger and larger nowadays, the fence made of bamboo needs to be perforated and threaded to connect the bamboos in series to form a wall-like structure, and the production speed of the bamboo fence can be increased by means of mechanical processing and further punching.

For example, the application with publication No. CN 213918760U discloses a fence or fence production line for realizing full-automatic threading, which completes the whole process from feeding to forming through the cooperation of a material storage table, a grabbing mechanism, a material pulling mechanism, a first clamp mechanism, a material pressing mechanism, a drilling mechanism, a second clamp mechanism, a needle clamping mechanism and a conveying table. The utility model has the advantages of that: the automation degree is high, and the full-automatic weaving flow line production of the fence is realized through a series of operations such as automatic feeding, alignment, straightening, drilling, threading and the like; the drilling position is accurate, the manufactured fence has equal height, the flatness is high, the process is simple and convenient, the process of cutting and dividing again after the job is removed, the labor is reduced, and the benefit of an enterprise is improved; the braiding speed is increased, the braiding efficiency of the fence is improved, the braiding speed of the fence can be increased to be more than 10 times of manual or semi-mechanical braiding, and the production cost is only half of that of manual or semi-mechanical braiding.

In the application, the machine adopts a full-automatic fence production mode, the feeding process including bamboo poles also adopts a mode of clamping and feeding by a mechanical arm, but considering that most of bamboos grow naturally, the lengths and the thicknesses of segments are different, the bamboo poles are not standard parts, the full-automatic fence production mode is easy to make mistakes, so that the quality of the produced fence is low, and the risk of being returned and reworked is caused.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a fence threading device, including: the threading device comprises a threading needle and a plurality of needle clamping mechanisms, wherein the needle clamping mechanisms are fixed on a base frame in the environment, the needle clamping mechanisms are used for clamping the threading needle to enable the threading needle to be suspended in the air, and a temporary interval is arranged between every two adjacent needle clamping mechanisms; the single needle clamping mechanism clamps the threading needle to maintain the suspended state of the threading needle, the plurality of needle clamping mechanisms clamp the threading needle at staggered time, and a channel for an object to pass through is formed when the needle clamping mechanisms open the clamping of the threading needle.

Preferably, the number of the needle clamping mechanisms is two, and the two needle clamping mechanisms are respectively a front needle clamping mechanism and a rear needle clamping mechanism, the front needle clamping mechanism clamps a needle head end of the threading needle, the rear needle clamping mechanism clamps a needle tail end of the threading needle, the temporary interval is located between the front needle clamping mechanism and the rear needle clamping mechanism, and the front needle clamping mechanism and the rear needle clamping mechanism clamp the threading needle at staggered time.

Preferably as above-mentioned technical scheme, press from both sides needle mechanism and include clamping jaw cylinder and two clamping jaws, two clamping jaw symmetry set up in clamping jaw cylinder below both sides, two the clamping jaw respectively through the rotating pin with the clamping jaw cylinder is articulated mutually, just, the piston rod of clamping jaw cylinder and two the clamping jaw transmission is connected, the piston rod of clamping jaw cylinder controls two simultaneously the clamping jaw upwards or overturn downwards realizes being close to and keeping away from of two clamping jaws, two when the clamping jaw upwards turns up form the passageway that supplies the article to pass.

As the optimization of the technical scheme, the clamping space formed when the two clamping jaws are turned downwards and are close to each other is in a diamond shape.

Preferably, each clamping jaw is provided with a clamping surface, each clamping surface is provided with a clamping cushion layer, and the clamping surfaces are close to each other to form the clamping space.

Preferably, in the above-described aspect, a clamping margin for further reducing the clamping space is provided between the two clamping jaws when the two clamping jaws are brought close to each other and engaged with each other.

Preferably, the tail end of the threading needle is provided with a tying hole for fixing the connecting thread.

Preferably, the needle head end of the threading needle is provided with a perforation guide slope.

To sum up, the utility model has the advantages of it is following:

this application fence threading device through setting up two at least clamp needle mechanisms, guarantees at the in-process of bamboo pole threading that the threading needle is continuously hung on same position, and the clamping jaw is turned up simultaneously and is the passageway that can provide the through for the bamboo pole, prevents to press from both sides needle mechanism and interferes the efficiency and the quality of threading at the process of threading to the route stroke of advancing of bamboo pole.

The benefits of further or additional details will be discussed in the examples.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application;

FIG. 2 is a schematic view of the structural position distribution mounted on the base frame;

FIG. 3 is a schematic view of a positioning and punching device for clamping bamboo poles;

fig. 4 is a schematic structural view of the threading device;

FIG. 5 is a schematic view of the two jaws in a clamping position;

FIG. 6 is a schematic view showing the positional relationship between the clamping and positioning mechanism and the threading device before threading;

FIG. 7 is a schematic view showing the positional relationship between the holding and positioning mechanism and the threading device when the holding and positioning mechanism is at the temporary interval;

fig. 8 is a schematic view of the position relationship between the clamping and positioning mechanism and the threading device after threading is completed;

FIG. 9 is a schematic view of the clamping and positioning mechanism and the connecting rod;

FIG. 10 is a schematic view of the clamping and positioning mechanism clamping a bamboo rod;

FIG. 11 is a schematic view of the relationship between the position of the bamboo pole and the positioning device when the bamboo pole falls to the positioning device;

FIG. 12 is a schematic view of the relationship between the position of the bamboo pole and the positioning device when the bamboo pole falls to the second position of the positioning device;

FIG. 13 is a schematic view showing the relative position relationship between the bamboo pole and the clamping and positioning mechanism after the clamping and positioning mechanism clamps the bamboo pole;

FIG. 14 is a schematic view of the position relationship between the gap dam and the guide frame and the clamping and positioning mechanism;

FIG. 15 is a schematic view of a portion of the structure of the transfer platform;

the automatic threading machine comprises a clamping and positioning mechanism 1, a punching mechanism 2, a threading device 3, a conveying platform 4, a shifting mechanism 5, a length limiting mechanism 6, a base frame A, a fixed clamping seat 11, a movable clamping seat 12, a clamping seat cylinder 13, a hinged sheet 14, a clamping groove 111, a slant ramp 112, a threading needle 31, a needle clamping mechanism 32, a clamping jaw connecting part 321, a clamping jaw cylinder 322, a clamping jaw 323, a front needle clamping mechanism 32-a, a rear needle clamping mechanism 32-b, a conveying crawler 41, a conveying motor 42, a gear column 43, a material shifting bulge 411, a connecting rod body 51, a belt structure 52, a fixed limiting plate 61, a movable limiting plate 62, a movable limiting plate body 621, a limiting plate cylinder 622, a middle clamping and positioning mechanism 1-a, an outer clamping and positioning mechanism 1-b, a guide framework A-2 and a clearance baffle A.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like as referred to or as may be referred to in this specification are defined with respect to the configuration shown in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component and are relative terms, and thus may be changed accordingly depending on the position and the state of use of the particular component. Therefore, these and other directional terms should not be construed as limiting terms.

The invention is further explained below with reference to the following examples:

example (b):

a fence threading device, referring to fig. 1-3, comprises a base frame A, a clamping and positioning mechanism 1, a punching mechanism 2, a threading device 3 and a conveying platform 4; the clamping and positioning mechanism 1, the punching mechanism 2 and the threading device 3 are arranged on the rack, the punching mechanism 2 adopts a drilling machine which is common in the prior art, and the conveying platform 4 is arranged at the downstream of the base frame A; the bamboo pole clamping and positioning device comprises a base frame A, a clamping and positioning mechanism 1, a threading device 3 and a conveying platform 4, wherein a guide framework A-1 used for guiding bamboo poles to enter the clamping and positioning mechanism 1 is arranged on the base frame A, the clamping and positioning mechanism 1 clamps the bamboo poles on the clamping and positioning mechanism 1, the perforating mechanism 2 is used for perforating the bamboo poles clamped on the clamping and positioning mechanism 1, the threading device 3 is positioned at the downstream of the clamping and positioning mechanism 1 and used for threading needles and wires, guide connecting wires penetrate through connecting holes formed in the bamboo poles, and the conveying platform 4 is used for conveying and stacking a plurality of bamboo poles subjected to threading to form a fence.

The semi-automatic fence production assembly comprises a guide framework A-1, a clamping and positioning mechanism 1 and a punching mechanism 2, wherein the number of the clamping and punching components of the semi-automatic fence production assembly is four, the four groups of clamping and punching components are matched with a shifting mechanism 5 to form a bamboo pole clamping and positioning punching device, the four groups of clamping and punching components are arranged in parallel at equal intervals, specifically, the four guide frameworks A-1 are fixedly arranged on a base frame A, the four punching mechanisms 2 are fixedly arranged on the base frame A, the four clamping and positioning mechanisms 1 are fixedly arranged on the shifting mechanism 5, the shifting mechanism 5 is a translation component arranged on the base frame A, namely, the four clamping and positioning mechanisms 1 are controlled by the shifting mechanism 5 to move towards the direction close to or away from the punching mechanism 2, wherein the program scheduled by the shifting mechanism 5 is to move the clamping and positioning mechanism 1 towards the position close to the punching mechanism 2 and then move the clamping and positioning mechanism 2 towards the position away from the punching mechanism 2, and in the program, the process of moving towards the punching mechanism 2 is the step in the application (namely, the process of moving towards the threading control of the shifting mechanism 5 towards the direction of the punching mechanism 2). In the embodiment of the present application, the shifting mechanism 5 includes a connecting rod 51 and a belt structure 52, the connecting rod 51 is fixedly disposed on the belt of the belt structure 52, and is driven by the belt under the driving of the motor, the connecting rod 51 can move back and forth, and the connecting rod 51 is used for connecting four groups of clamping and positioning mechanisms 1, so that the four groups of clamping and positioning mechanisms 1 can move forward and backward simultaneously.

The guiding framework A-1 positioned on the base frame A consists of two symmetrically arranged oblique guide plates, the distance between the two oblique guide plates is gradually reduced from top to bottom, when the shifting mechanism 5 is positioned at the initial position, the clamping and positioning mechanism 1 is positioned below the guiding framework A-1, and the bamboo rod enters the clamping area of the clamping and positioning mechanism 1 under the guidance of the guiding framework A-1.

Referring to fig. 4, the threading device 3 is located at the downstream of the bamboo rod clamping, positioning and punching device in spatial position, the number of the threading devices 3 is consistent with the number of the clamping and punching assemblies, four in total, each threading device 3 corresponds to one clamping and punching assembly, the threading device 3 is fixedly arranged on the base frame a, the threading device 3 comprises a threading needle 31 and two needle clamping mechanisms 32, the needle head end of the threading needle 31 is a perforation guide slope surface with a conical structure, and the needle tail end of the threading needle 31 is provided with a tying hole for connecting and fixing a connecting line; the two needle clamping mechanisms are divided into a front needle clamping mechanism 32-a and a rear needle clamping mechanism 32-b according to the front and rear positions, the needle head end of the threading needle 31 is opposite to the clamping and positioning punching assembly, the tail end of the threading needle 31 is connected with a connecting line used for connecting bamboo poles in series, and the needle head end of the threading needle 31 penetrates through a connecting hole formed in the bamboo poles by the punching mechanism 2; the threading needle 31 is clamped and suspended by a front needle clamping mechanism 32-a and a rear needle clamping mechanism 32-b, a temporary interval is arranged between the front needle clamping mechanism 32-a and the rear needle clamping mechanism 32-b, the needle clamping mechanism 32 comprises a clamping jaw connecting part 321, a clamping jaw air cylinder 322 and two clamping jaws 323, wherein the clamping jaw connecting part 321 is fixedly connected with the base frame A through a bolt, the clamping jaw air cylinder 322 is fixedly connected with the clamping jaw connecting part 321, the two clamping jaws 323 are symmetrically arranged at two sides below the clamping jaw air cylinder 322, the two clamping jaws 323 are respectively hinged with the clamping jaw air cylinder 322 through rotating pins, a piston rod of the clamping jaw air cylinder 322 is in transmission connection with the two clamping jaws 323, the piston rod of the clamping jaw air cylinder 322 simultaneously controls the two clamping jaws 323 to turn upwards or downwards, a gap between the two clamping jaws 323 is increased when the two clamping jaws 323 are controlled to turn upwards by the clamping jaw air cylinder 322, and the gap between the two clamping jaws 323 is decreased when the clamping jaws 323 are controlled to turn downwards, so that the two clamping jaws 323 clamp an object in a clamping state.

In combination with the above, in this embodiment, the two needle clamping mechanisms 32 only clamp the threading needle 31, so that the needle clamping mechanisms 32 can be suspended in midair without having a function of driving the threading needle 31 to move, the threading needle 31 is fixed, and the shifting mechanism 5 drives the bamboo pole located on the clamping and positioning mechanism 1 to move relative to the threading needle 31 to realize threading operation; it is not difficult to imagine that if the gripper 323 in this embodiment always maintains the gripping state for the threading needle 31, the gripping and positioning mechanism 1 gripping the bamboo pole will hit the two grippers 323 of the needle clamping mechanism 2 when it is moved by the shifting mechanism 5, in order to avoid the above situation, the shifting mechanism 5 controls the movement of the gripping and positioning mechanism 1 in stages, referring to fig. 6 to 8 (in the drawings given in this embodiment, the connecting wire connected to the end of the threading needle 3 is not shown), in the first stage referring to fig. 6, the shifting mechanism 5 drives the gripping and positioning mechanism 1 to move to the front of the front needle clamping mechanism 32-a and pause, in the second stage referring to fig. 7, the two grippers 323 of the front needle clamping mechanism 32-a are turned up to form a three-stage, the front grip of the threading needle 3 is temporarily opened and the tail end of the threading needle 3 is still gripped, since the gripped needle 3 suspended at the tail end is still suspended in half-air, the gripping and positioning mechanism 1 is still suspended in the space behind the needle clamping mechanism 32-a space 32 b after passing through the front needle clamping space 32-a below the needle clamping mechanism 32-a under the driving of the front needle clamping mechanism 32-a, the needle clamping mechanism 32-b, the needle clamping mechanism 32 b after the needle clamping mechanism is still moved to the needle clamping mechanism 32-a, and the needle clamping mechanism 32-a is still suspended in a, the needle clamping mechanism 32-a, the needle clamping mechanism 32-b after the needle clamping mechanism is still suspended in the needle clamping mechanism 32-a is still suspended in the needle clamping mechanism 32, and the needle clamping mechanism 32-a, the whole threading work of the threading device 3 is now completed. Referring to fig. 5 and fig. 4, the clamping space formed by the two clamping jaws 323 of the needle clamping mechanism 32 when the clamping jaws are turned downwards and closed to each other is rhombic, but not circular, which is matched with the cross-sectional outline of the threading needle 3, if the circular clamping outline is adopted, the shape and size which can be clamped by the clamping jaws 323 are fixed, the applicability is reduced, for example, when the size of the hole of the connecting hole needs to be adjusted, the size of the connecting hole can be adjusted by changing the size of the drill bit, and the threading needle matched with the newly arranged hole is inconvenient to clamp when being changed, especially, the hole of the connecting hole is reduced. Still be provided with the centre gripping bed course on the clamping jaw 323, the centre gripping bed course is located the clamping face of two clamping jaws 323, forms the centre gripping space mentioned above when the clamping face of two clamping jaws 323 is close to, the centre gripping bed course is the plastic cushion, increases the frictional force of centre gripping.

Preferably, referring to fig. 14, a spacing baffle a-2 is arranged between a guiding framework a-1 and a clamping and positioning mechanism 1, the spacing baffle a-2 is arranged on a base frame a, the spacing baffle a-2 is a baffle structure controlled by an air cylinder, and the air cylinder controls to close or open a passage through which a bamboo rod is dropped from the guiding framework a-1 to the clamping and positioning mechanism 1, the interval of closing the passage is the interval of time when a bamboo rod clamped on the clamping and positioning mechanism 1 is driven by a shifting mechanism 5 to go through a punching and threading step and return to an initial position, the semi-automatic fence production assembly of the embodiment mainly uses manual feeding and single punching and threading of one bamboo rod, because the clamping and positioning mechanism 1 is positioned below the guiding framework a-1, an operator is positioned obliquely above the clamping and positioning mechanism 1, during observation, it may be impossible to know whether the clamping and positioning mechanism 1 has completed the last punching and is inconvenient to reach the initial position due to the shielding of the base frame a and the guiding framework a-1, during feeding, it may be possible for the operator to have no accurate upper position of the bamboo rod on the ground, and influence the processing efficiency, it may be convenient for the operator to observe whether the interval baffle a-2 to observe whether the interval of the interval baffle a rod to be in real time when the interval of the guiding framework a-2 is lowered.

Referring to fig. 15, the conveying platform 4 located at the downstream of the base frame a includes two parallel conveying tracks 41, the two conveying tracks 41 are driven by the same conveying motor 42 to rotate synchronously, the conveying motor 42 is a servo motor and can control the conveying tracks 41 to rotate at intervals, and a shift post 43 for preventing the bamboo rod from being further conveyed is arranged at the end of the conveying platform 4; the material shifting bulges 411 are arranged on each conveying crawler 41 at equal intervals, the clamping and positioning mechanism 1 only has the function of clamping bamboo poles and can only move to the upper part of the conveying crawler 41 through the shifting mechanism 5 and then open the clamping state, and the material shifting bulges 411 are used for shifting the bamboo poles positioned in the open clamping state of the clamping and positioning mechanism 1 to the conveying crawler 41 and driving the bamboo poles to the tail end of the conveying platform 4; the bamboo poles with certain intervals eliminate intervals through the action of the stop posts 43 and the conveying crawler 41, and the fence is formed after the bamboo poles on the conveying platform 4 are stacked to a certain number, so that the conveying motor 42 selects a servo motor rotating at intervals instead of a low-cost common motor, because the bamboo poles abutting against the stop posts 43 continuously impact the stop posts 43 if the conveying crawler 41 continuously rotates, and when the number of stacked bamboo poles is more and more, the fence can bulge upwards, and the intermittent conveying of the bamboo poles can provide a reset buffer time period for the state that the fence bulges upwards, so that the quality of the fence is improved; in addition, the material shifting protrusion 411 is hinged to the conveying crawler 41, when the material shifting protrusion 411 meets an object which cannot be shifted, the material shifting protrusion can turn downwards to avoid the object, a return spring is arranged between the material shifting protrusion 411 and the conveying crawler 41, and when the material shifting protrusion 411 is not blocked by the object any more, the material shifting protrusion 411 is reset by the return spring.

Downstream of the conveyor platform 4 there is provided a thread feeding device (not shown) for providing the fence with a connecting thread for each of the bamboo poles, which connecting thread passes through the conveyor platform and is connected to the end of the threading needle 31.

Referring to fig. 2 again, as a preferred embodiment, the semi-automatic fencing production assembly further includes a bamboo rod length limiting mechanism 6, the bamboo rod length limiting mechanism 6 is fixedly disposed on the base frame a through a connecting block, the bamboo rod length limiting mechanism 6 is disposed on two sides of the four guiding frames a-1, and includes a fixed limiting plate 61 disposed on the left side of the four guiding frames a-1 and a movable limiting plate 62 disposed on the four guiding frames a-1, wherein the movable limiting plate 62 includes a movable limiting plate main body 621 and a limiting plate cylinder 622 for pushing the movable limiting plate main body 621 to move, the limiting rod cylinder 622 is fixed on the base frame a, the movable limiting plate main body 621 is in transmission connection with the limiting plate cylinder 622, and the limiting plate cylinder 622 pushes the movable limiting plate main body 621 towards or away from the fixed limiting plate 61, thereby limiting the length of the bamboo rod which can enter the bamboo rod clamping, positioning and punching device. It should be noted that the positions of the movable limit plate 62 and the fixed limit plate 61 can be interchanged, and the effect is the same, or two movable limit plates can be provided to adjust the size of the limited length of the bamboo, but one more cylinder is needed.

For convenience of explanation, a concept is introduced herein, which generally includes an outer arc having a slightly longer length and an inner arc having a slightly shorter length for a shaped column having a certain curvature. Bamboo, as a natural plant, conforms to the growth rule of plants, auxin is generated at the tip of the plant, auxin synthesis is promoted under photosynthesis, the concentration of auxin on the sunny side is higher, the concentration of auxin on the back sunny side is lower, growth is promoted by the auxin with low concentration, growth is inhibited by the erythropoietin with high concentration, so that the growth of the backlight side is faster than that of the sunny side, and the plant bends towards the light direction. For convenience of description, in the embodiments of the present application, a section of arc edge that is longer in the length direction of a bamboo culm is defined as an outer arc of the bamboo culm, and a section of arc edge that is shorter in the length direction of the bamboo culm is defined as an inner arc of the bamboo culm. In the process of serially connecting a plurality of bamboos into the fence, the quality of the fence is improved by setting the accurate positions of the bamboo, and because of the bent shape of the bamboos, if the outer arcs of the bamboo poles of two bamboo poles are relatively attached or the inner arcs of the bamboo poles of two bamboo poles are relatively attached and connected, a large gap is generated, so that the wind-proof performance of the manufactured fence is reduced, and the attractiveness of the fence is also reduced.

Referring to fig. 9 and 10, the clamping and positioning mechanism 1 includes a fixed clamping seat 11, a movable clamping seat 12, and a clamping seat cylinder 13 for controlling the movable clamping seat 12 to move relative to the fixed clamping seat 11, wherein the fixed clamping seat 11 is fixedly disposed on the shifting mechanism 5, the clamping seat cylinder 13 is fixedly disposed inside the connecting rod body 51, and the clamping seat cylinder 13 penetrates through the connecting rod body 51 and is hinged to the movable clamping seat 12; the clamping and positioning mechanism 1 further comprises a hinge plate 14, one end of the hinge plate 14 is hinged to the connecting rod body 51, and the other end of the hinge plate 14 is hinged to the movable clamping seat 12, due to the arrangement of the hinge plate 14, when the clamping seat cylinder 13 pushes the movable clamping seat 12 to move towards the direction far away from the connecting rod body 51, the hinge plate 14 can pull the movable clamping seat 12 to upwards turn around the hinge point of the hinge plate 14 and the movable clamping seat 12 as a rotation center, so as to clamp the bamboo rod between the fixed clamping seat 11 and the movable clamping seat 12. In summary, when the clamping and positioning mechanism 1 is in the initial state, the clamping area of the clamping and positioning mechanism 1 is the largest and can be used for receiving the bamboo tube falling from the guiding structure a-1, and when the clamping seat cylinder 13 pushes the movable clamping seat 12 to turn upwards, the clamping area of the clamping and positioning mechanism 1 gradually decreases and finally clamps the bamboo rod located between the fixed clamping seat 11 and the movable clamping seat 12.

The fixed clamping seat 11 comprises a clamping groove 111 and an inclined ramp 112 for guiding the bamboo rod to enter the clamping groove 111, the movable clamping block 12, the clamping groove 111 and the inclined ramp 112 form a clamping area of the clamping and positioning mechanism 1, a falling supporting part for receiving the bamboo rod is formed between the movable clamping block 12 and the inclined ramp 112 in an initial state, when the clamping seat cylinder 13 acts, the movable clamping seat 12 turns upwards, and in the turning process, the bamboo rod is guided into the clamping groove 111 by the inclined ramp 112 under the driving of the movable clamping seat 12 to complete clamping; in addition, in this application, centre gripping recess 111 is V style of calligraphy recess, just the V style of calligraphy is concave in a wretched state and is used for the axisymmetric recess of the line of symmetry of the axis of the drill bit of mechanism 2 that punches, so, guarantees that the position that punches is located the central point of bamboo pole when punching to the bamboo pole that centre gripping positioning mechanism was held to the drill bit structure.

Further, four sets of clamping and positioning mechanisms 1 comprise two middle clamping and positioning mechanisms 1-a and two outer clamping and positioning mechanisms 1-b, wherein the four clamping and positioning mechanisms 1 are arranged on the connecting rod body 51 in parallel, referring to fig. 11, 12 and 13, two situations occur when a bent bamboo rod enters the clamping and positioning mechanisms 1 under the guidance of the guiding framework a-1, the first situation is that the inner arc of the bamboo rod falls down on the falling supporting part (as shown in fig. 11), the second situation is that the outer arc of the bamboo rod falls down on the falling supporting part (as shown in fig. 12), and in the second situation, due to the bending of the bamboo rod, only the two middle clamping and positioning mechanisms 1-a support the bamboo rod after falling on the four sets of clamping and positioning mechanisms 1, and the two ends of the bamboo poles are bent upwards and cannot be supported, so that the two ends of the bamboo poles turn downwards under the action of gravity to be in a first condition, the inner arcs of the bamboo poles always abut against the movable clamp seat 12 in the process that the whole movable clamp seat 12 drives the bamboo poles to move towards the clamping groove 111, the inner arcs of the bamboo poles gradually face towards the threading device 3 under the guide of the inclined ramp 112 and finally fall into the clamping groove 111 to clamp and then face towards the threading device (as shown in figure 13), and thus, the two punched and threaded bamboo poles are ensured to be abutted against each other by the inner arcs of the bamboo poles and the outer arcs of the bamboo poles when being stacked subsequently, and the effect of small fence clearance is achieved.

In the present embodiment, since the punching mechanism 2 and the threading device 3 are fixed relative to each other, the threading and the punching steps depend on the movement of the clamping and positioning mechanism 1 relative to the punching mechanism 2 and the threading device 3, and in order to prevent the bodies of the fixed holder 11 and the movable holder 12 from interfering with the drill and the threading needle 31 during the threading and the punching, the fixed holder 11 and the movable holder 12 are provided with clearance for the drill and the threading needle 31 to pass through and directly act on the bamboo pole.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. A fence threading device, comprising: the threading device comprises a threading needle and a plurality of needle clamping mechanisms, wherein the needle clamping mechanisms are fixed on a base frame in the environment and are used for clamping the threading needle to enable the threading needle to be suspended in the air, and a temporary interval is arranged between every two adjacent needle clamping mechanisms; the single needle clamping mechanism clamps the threading needle to maintain the suspended state of the threading needle, the plurality of needle clamping mechanisms clamp the threading needle at staggered time, and a channel for an object to pass through is formed when the needle clamping mechanisms open the clamping of the threading needle.

2. A fence threading device according to claim 1, characterized in that: the quantity of pressing from both sides needle mechanism is two, is preceding needle mechanism and back needle mechanism of pressing from both sides respectively, preceding needle mechanism centre gripping the syringe needle end of threading needle, back needle mechanism centre gripping the backshank end of threading needle, it is located to put the interval temporarily preceding needle mechanism with back press from both sides between the needle mechanism, preceding needle mechanism of pressing from both sides reaches back needle mechanism staggers the time centre gripping the threading needle.

3. A fence threading device according to claim 2, characterized in that: the clamping needle mechanism comprises a clamping jaw air cylinder and two clamping jaws, wherein the clamping jaws are symmetrically arranged on two sides below the clamping jaw air cylinder, the clamping jaws are hinged to the clamping jaw air cylinder through rotating pins respectively, piston rods of the clamping jaw air cylinder are connected with the clamping jaws in a transmission mode, the piston rods of the clamping jaw air cylinder control the clamping jaws to upwards or downwards overturn to enable the clamping jaws to be close to and away from the clamping jaws, and the clamping jaws are upwards turned up to form a channel for articles to pass through.

4. A fence threading device according to claim 3, characterized in that: and the clamping space formed when the two clamping jaws are turned downwards and are close to each other is in a diamond shape.

5. A fence threading device according to claim 4, characterized in that: every be provided with the clamping face on the clamping jaw, be provided with the centre gripping bed course on the clamping face, the clamping face is close to each other and is formed the centre gripping space.

6. A fence threading device according to claim 4, characterized in that: when the two clamping jaws are close to each other and matched, a clamping allowance for further reducing the clamping space is arranged between the two clamping jaws.

7. A fence threading device according to claim 1, characterized in that: and a tying hole for fixing the connecting wire is arranged at the tail end of the threading needle.

8. A fence threading device according to claim 1, characterized in that: the needle head end of the threading needle is provided with a perforation guide slope.

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