WO2022226891A1

WO2022226891A1 - Conveyor chain apparatus of double-sided edge banding machine

Info

Publication number: WO2022226891A1
Application number: PCT/CN2021/090974
Authority: WO
Inventors: 匡升权; 周述君; 沈茂林; 方永龄
Original assignee: 南兴装备股份有限公司
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-11-03

Abstract

A conveyor chain apparatus of a double-sided edge banding machine, comprising a guide rail body (101), a tensioning buffer mechanism (201) disposed at a material feeding end of the guide rail body (101), a main material discharge sprocket (102) rotatably arranged at a material discharge end of the guide rail body (101), and a transmission chain (103) wound around the guide rail body (101), the tensioning buffer mechanism (201) and the main material discharge sprocket (102). The transmission chain (103) comprises a plurality of chain link units. The plurality of chain link units are sequentially connected in series to form the annular transmission chain (103). A bridge supporting plate (105) is disposed between the guide rail body (101) and the main material discharge sprocket (102). The bridge supporting plate (105) is extendably arranged at the material discharge end of the guide rail body (101).

Description

A conveyor chain device for a double-end edge banding machine

technical field

The invention relates to the technical field of woodworking machinery, in particular to a conveyor chain device of a double-end edge banding machine.

Background technique

Edge banding is an important process in the manufacture of panel furniture. The quality of edge banding directly affects the quality, price and grade of the product. Edge sealing can improve the appearance quality of the furniture, avoid damage to the edges and corners of the furniture during transportation and use, and the veneer layer is lifted or peeled off. , but also beautify the furniture, happy mood. The raw materials used by panel furniture manufacturers are mainly particleboard, medium density board and other wood-based panels, and the selected edge strips are mainly PVC, polyester, melamine and wood strips. Edge banding strips of different materials and specifications use different edge banding equipment. At present, the edge banding machines used by furniture manufacturers mainly include manual straight curve edge banding machines and automatic straight edge banding machines. The structure of manual edge banding machines is relatively high. Simple, its installation, use and maintenance are relatively easy; and the automatic linear edge banding machine is prone to such or such problems during use due to its complex structure, high manufacturing precision and high price. Therefore, install and debug a good The automatic linear edge banding machine is an important guarantee for it to maintain a stable working state for a long time and complete high-quality edge banding operations.

The wood edge banding process includes a series of processes such as gluing, pressing, tape cutting, rough trimming, finishing trimming, edge scraping, grooving and polishing. However, the current transmission chain cannot position and convey the plate, so that the conveying of the plate is not stable and accurate. In addition, the transmission chain is prone to noise, looseness, poor stability, and short service life during the use process. solve.

SUMMARY OF THE INVENTION

In view of the problems in the prior art, the present invention provides a conveyor chain device for a double-end edge banding machine, which has a novel structure, the transmission chain will not loosen, the overall weight is light, and the service life is improved. It can effectively reduce the drop vibration of the chain link unit, reduce noise, improve the stability and reliability of the transmission chain when moving, and improve the processing quality of the plate.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

The present invention provides a conveyor chain device for a double-end edge banding machine, comprising a guide rail body, a tensioning buffer mechanism arranged at the feed end of the guide rail body, a main discharge sprocket rotatably arranged at the discharge end of the guide rail body, and a winding device. The transmission chain of the guide rail body, the tensioning buffer mechanism and the main discharge sprocket, the transmission chain includes a plurality of chain link units, and the plurality of chain link units are connected in series to form an annular transmission chain;

The chain link unit includes interconnected hook links, connecting links and guide links. A positioning and walking part is arranged below the guide links, and hooks that can be telescopically moved inside and outside are arranged on the hook links. Shaft; the hook shaft moves synchronously with the chain link unit;

A bridge support plate is arranged between the guide rail body and the main discharge sprocket, and the bridge support plate is extended on the discharge end of the guide rail body;

The conveyor chain device also includes a push-out mechanism for extending the hook shaft out of the transmission chain and a push-in mechanism for pressing the hook shaft into the transmission chain.

Wherein, the pressing mechanism includes a first pressing component and a second pressing component; the first pressing component includes a pressing cylinder and a pressing plate connected with the output end of the pressing cylinder; the second pressing The push-in mechanism includes a push-in mounting seat, a plurality of push-in support arms installed on the push-in mounting seat, and a push-in wheel rotatably arranged at the top of the push-in support arm; the push-in wheel is in sliding contact with the transmission chain.

Wherein, the pressing plate includes a horizontal pressing section and a guide slope section connected with the front end of the horizontal pressing section; when the pressing cylinder drives the pressing plate to approach the transmission chain, the A gap is formed between the horizontal extrusion section and the transmission chain.

Among them, it also includes an auxiliary discharge mechanism, the auxiliary discharge mechanism is located on the side of the discharge end of the guide rail body; the auxiliary discharge mechanism includes an auxiliary discharge bracket, a roller chain, and an auxiliary discharge bracket installed on the auxiliary discharge bracket. The discharge plate and the auxiliary discharge motor installed on the auxiliary discharge bracket, the output end of the auxiliary discharge motor is connected with the auxiliary discharge sprocket, and the auxiliary discharge plate is spaced and rotated with two auxiliary discharge plates. The roller chain is wound around the auxiliary discharge sprocket and two driven sprockets; the upper end surface of the roller chain and the upper end surface of the transmission chain are located on the same horizontal plane.

Wherein, the tension buffer mechanism includes a fixed seat and a movable seat for supporting the chain, the fixed seat is fixed on one end of the guide rail body, the movable seat is slidably arranged on the fixed seat, the movable seat and the fixed seat A guide structure and a tension buffer structure are arranged between;

The guide structure includes at least two guide shafts arranged at intervals, one end of the guide shaft is fixedly connected with the fixed seat, and the other end of the guide shaft slides through the movable seat;

The tensioning buffer structure includes a tensioning screw rod, a tensioning nut and an elastic part, the tensioning nut is screwed on the outer circumference of the tensioning screw rod, one end of the tensioning screw rod is fixedly connected with the fixing seat, and the other end of the tensioning screw rod slides The elastic member is sleeved on the outer circumference of the tensioning screw, and the two ends of the elastic member are respectively abutted with the tensioning nut and the movable seat.

Wherein, the movable seat is provided with at least two guide holes matched with the guide shaft, the other end of the guide shaft slides through the guide holes, the outer circumference of the guide shaft is slidably sleeved with a bearing, the The bearing is installed on the inner wall of the guide hole.

The elastic component includes a plurality of disc springs sleeved on the outer circumference of the tensioning screw and a sleeve sleeved on the outer circumference of the plurality of disc springs. One end of the disc springs is in contact with the tensioning nut, and the disc springs The other end of the spring is in contact with the inner wall of the sleeve, and the outer wall of the sleeve is in contact with the movable seat.

The push-out mechanism includes a push-out cylinder and a push-out swing arm connected with the push-out cylinder, one end of the push-out swing arm is connected with a piston rod of the push-out cylinder, the other end of the push-out swing arm is rotatably connected with the movable seat, and the push-out swing arm is rotatably connected to the movable seat. The arm is provided with a guide surface that cooperates with the hook shaft.

Wherein, the positioning and traveling component includes a positioning shaft connected to the bottom of the guide link.

Wherein, the hook chain link includes a main body, a backing plate installed on the main body, and a dust-proof sealing ring installed between the main body and the backing plate, and the dust-proof sealing ring is sleeved on the outer circumference of the hook shaft It is tightly assembled with the hook head shaft, and the hook head shaft slides through the main body, the dustproof sealing ring and the backing plate.

Beneficial effects of the present invention:

The invention has novel structure and ingenious design. The transmission chain is wound around the guide rail body, the tension buffer mechanism and the main discharge sprocket; the tension buffer mechanism effectively avoids the loose phenomenon of the chain; The overall weight of the chain link unit is light and the structure is simple. When a plurality of the chain link units of this chain form a complete chain, the weight and motion inertia of the entire chain can be effectively reduced, thereby reducing the load of the driving motor; Positioning the walking parts can keep the chain link unit moving in a straight line when moving on the rack guide rail to ensure the stability of the chain sliding; the bridge support plate plays a role of transition support, which can effectively reduce the drop vibration of the chain link unit It can reduce noise and improve the stability and reliability of the transmission chain when moving; the transmission chain cooperates with the push-out mechanism to promote the hook head shaft to extend out of the chain link unit, and the press-in mechanism is used to promote the hook head shaft to retract inward. back into the chain link unit, so that the hook shaft can be pushed out or retracted as required; when the hook shaft extends, the hook shaft touches the rear end surface of the plate to position and convey the plate, replacing the traditional only It is driven by friction, so that the conveying of the plate is more stable and accurate, thereby improving the processing quality of the plate.

Description of drawings

FIG. 1 is a schematic structural diagram of a conveyor chain device of a double-end edge banding machine according to the present invention.

FIG. 2 is a schematic structural diagram from another perspective of a conveyor chain device of a double-end edge banding machine according to the present invention.

3 is a schematic structural diagram of the cooperation among the tensioning buffer mechanism, the auxiliary feeding mechanism and the transmission chain of the present invention.

4 is a cross-sectional view of the tension buffer mechanism of the present invention.

FIG. 5 is an exploded view of the structure of the tension buffer mechanism of the present invention.

6 is a schematic structural diagram of the discharge end of the guide rail body and the auxiliary discharge mechanism of the present invention.

FIG. 7 is a schematic structural diagram of another viewing angle of FIG. 6 .

FIG. 8 is a schematic structural diagram of the auxiliary discharging mechanism of the present invention.

FIG. 9 is a schematic structural diagram of the first press-in mechanism of the present invention.

FIG. 10 is a schematic structural diagram of the chain link unit of the present invention.

FIG. 11 is a schematic view of the structure of the hook chain link of the present invention.

Fig. 12 is an exploded view of the structure of the hook link of the present invention.

FIG. 13 is a schematic structural diagram of the connecting link of the present invention.

Fig. 14 is an exploded view of the structure of the guide link of the present invention.

15 is a schematic structural diagram of the cooperation among the feeding end, the auxiliary feeding mechanism and the pushing mechanism of the guide rail body of the present invention.

Fig. 16 is a side view of the guide rail body of the present invention.

Reference numerals in Figures 1 to 16 include:

1. Hook head chain link; 2. Connecting chain link; 3. Guide chain link; 4. Positioning walking parts; 5. Hook head shaft; 6. Linear shaft; 7. The first deep groove ball bearing; 8. Oil filling hole; 9. O-ring; 10. Positioning shaft; 11. Second deep groove ball bearing; 12. Main body; 13. Backing plate; 14. Dust-proof sealing ring; 15. Retaining ring bottom cover; 16. Wear-resistant sleeve; 17. Positioning groove; 18. Sliding column; 19. Shaft cover; 20. First through groove; 21. Second through groove; 22. Needle bearing;

100, auxiliary feeding mechanism; 101, guide rail body; 102, main discharge sprocket; 103, transmission chain; 104, spring steel belt; 105, bridge support plate; 106, first press-in assembly; 107, second Press-in assembly; 108, press-in cylinder; 109, press-in plate; 110, press-in mounting seat; 111, press-in support arm; 112, press-in wheel; 113, horizontal extrusion section; 114, guide slope section; 115 , auxiliary discharge mechanism; 116, auxiliary discharge bracket; 117, roller chain; 118, auxiliary discharge plate; 119, auxiliary discharge motor; 120, auxiliary discharge sprocket; 121, driven sprocket; 122, Discharge guide wheel;

124, accommodating groove; 125, induction sensor;

201, tension buffer mechanism; 202, fixed seat; 203, movable seat; 204, positioning slot; 205, guide shaft; 206, tension screw; 207, tension nut; 208, elastic part; 209, guide hole; 210, bearing; 211, disc spring; 212, sleeve; 213, chute; 214, connecting slide hole; 215, positioning slider; 216, push out mechanism; 217, push out cylinder; 218, push out swing arm.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the embodiments and the accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention. The present invention will be described in detail below with reference to the accompanying drawings.

A conveyor chain device for a double-end edge banding machine, as shown in Figures 1 to 16, includes a guide rail body 101, a tensioning buffer mechanism 201 arranged at the feed end of the guide rail body 101, and a discharge material rotatably arranged on the guide rail body 101 The main discharge sprocket 102 at the end and the transmission chain 103 wound around the guide rail body 101, the tension buffer mechanism 201 and the main discharge sprocket 102, the transmission chain 103 includes a plurality of chain link units, and a plurality of chain link units serially connected in sequence to form an annular transmission chain 103;

The chain link unit includes a hook head chain link 1, a connecting chain link 2 and a guide chain link 3 which are connected to each other. A positioning and walking part 4 is arranged under the guide chain link 3, and a movable head chain link 1 is arranged on the hook head chain link 1. The hook head shaft 5 which is telescopically movable inside and outside; the hook head shaft 5 moves synchronously with the chain link unit;

A bridge support plate 105 is arranged between the guide rail body 101 and the main discharge sprocket 102 , and the bridge support plate 105 is extended on the discharge end of the guide rail body 101 ;

The conveyor chain device further includes a push-out mechanism 216 for extending the hook shaft 5 out of the transmission chain 103 and a push-in mechanism for pressing the hook shaft 5 into the transmission chain 103 .

Specifically, the present invention has novel structure and ingenious design, and the transmission chain 103 is wound around the guide rail body 101, the tensioning buffer mechanism 201 and the main discharge sprocket 102; the tensioning and buffering mechanism 201 effectively avoids the loose phenomenon of the chain; Under the action of the connecting link 2, the overall weight of the chain link unit is light and the structure is simple. When multiple link units of this chain form a complete chain, the weight and motion inertia of the entire chain can be effectively reduced, thereby reducing drag The load of the electric motor; wherein, the positioning and walking part 4 can make the chain link unit move in a straight line when moving on the rack guide rail to ensure the stability of the chain sliding; the bridge support plate 105 acts as a transition support It can effectively reduce the drop vibration of the chain link unit, reduce noise, and improve the stability and reliability of the transmission chain 103 when moving; Outside the link unit, use the press-in mechanism to force the hook shaft 5 to retract into the chain link unit, so that the hook shaft 5 can be pushed out or retracted as needed; On the rear end surface of the plate, the plate is positioned and conveyed to replace the traditional method of driving only by friction, so that the conveying of the plate is more stable and accurate, thereby improving the processing quality of the plate.

Among them, the present invention is provided with a drive motor structure for driving the main discharge sprocket 102 to rotate, which is a conventional technique, and will not be repeated here.

In this embodiment, the bridge support plate 105 is arranged horizontally. Specifically, the above arrangement facilitates sliding with the chain link unit.

In the conveyor chain device of a double-end edge banding machine described in this embodiment, the pressing mechanism includes a first pressing component 106 and a second pressing component 107 ; the first pressing component 106 includes a pressing cylinder 108 and a pressing plate 109 connected with the output end of the pressing-in cylinder 108; the second pressing-in mechanism includes a pressing-in mounting seat 110, a plurality of pressing-in supporting arms 111 installed on the pressing-in mounting seat 110, and a rotating set The pressing wheel 112 at the top end of the pressing arm 111 ; the pressing wheel 112 is in sliding contact with the transmission chain 103 .

Wherein, the pressing plate 109 includes a horizontal pressing section 113 and a guide slope section 114 connected to the front end of the horizontal pressing section 113; when the pressing cylinder 108 drives the pressing plate 109 to approach the transmission chain 103 , a gap is formed between the horizontal pressing section 113 of the pressing plate 109 and the transmission chain 103 .

Specifically, when the first press-in assembly 106 is in operation, the press-in cylinder 108 drives the pressing plate 109 to move upward, and the guide slope section 114 is inclined downward to facilitate the introduction of the chain link unit, and then the horizontal pressing section 113 is used to push the hook The head shaft 5 is pressed into the chain link unit, wherein a gap (about 1 mm) is formed between the horizontal pressing section 113 of the pressing plate 109 and the transmission chain 103 to prevent the horizontal pressing section 113 from pressing the chain chain The link unit causes wear on it; further, the press-in wheel 112 is used for sliding contact with the transmission chain 103, so that the hook shaft 5 can be completely pressed into the chain link unit.

The conveyor chain device of the double-end edge banding machine described in this embodiment further includes an auxiliary discharge mechanism 115, and the auxiliary discharge mechanism 115 is located on one side of the discharge end of the guide rail body 101; the auxiliary discharge mechanism 115 includes an auxiliary discharge support 116, a roller chain 117, an auxiliary discharge plate 118 installed on the auxiliary discharge support 116, and an auxiliary discharge motor 119 installed on the auxiliary discharge support 116. The auxiliary discharge motor The output end of 119 is connected with an auxiliary discharge sprocket 120 , two driven sprockets 121 are arranged on the auxiliary discharge plate 118 at intervals and rotate, and the roller chain 117 is wound around the auxiliary discharge sprocket 120 and two driven sprockets 121; the upper end surface of the roller chain 117 and the upper end surface of the transmission chain 103 are located on the same horizontal plane. Specifically, the above arrangement facilitates the stable conveying and discharging of the board.

In this embodiment, the outer circumference of the main discharge sprocket 102 is provided with a plurality of accommodating grooves 124 for accommodating the first deep groove ball bearing 7 at equal intervals. Specifically, the above arrangement is convenient for the main discharge sprocket 102 to drive the first deep groove ball bearing 7 to move when it rotates, thereby driving the transmission chain 103 to move.

In this embodiment, the side of the guide rail body 101 close to the main discharge sprocket 102 is provided with an inductive sensor 125 (or a contact switch) for detecting the hook shaft 5, and the hook chain link 1 is equipped with all The inductive sensor 125 (or the contact switch) is matched with an inductive metal sheet, and the inductive sensor 125 is signally connected to the pressing mechanism. Specifically, the inductive sensor 125 is signally connected to the press-in cylinder 108 of the first press-in assembly 106 . When the inductive sensor 125 detects the hook shaft 5 , the inductive sensor 125 drives the press-in cylinder 108 to drive the pressing plate 109 to move.

Further, an auxiliary feeding device can also be provided at the feeding end of the guide rail body 101 , and the auxiliary feeding device has the same structure as the auxiliary discharging mechanism 115 , so as to facilitate the conveying of the plates into the transmission chain 103 .

In the conveyor chain device of the double-end edge banding machine described in this embodiment, the tensioning buffer mechanism 201 includes a fixed seat 202 and a movable seat 203 for supporting the chain, and the fixed seat 202 is fixed on the guide rail body 101 . At one end, the movable seat 203 is slidably disposed on the fixed seat 202, and a guiding structure and a tension buffer structure are arranged between the movable seat 203 and the fixed seat 202;

The guide structure includes at least two guide shafts 205 arranged at intervals, one end of the guide shaft 205 is fixedly connected with the fixed seat 202, and the other end of the guide shaft 205 slides through the movable seat 203;

The tensioning buffer structure includes a tensioning screw 206, a tensioning nut 207 and an elastic member 208. The tensioning nut 207 is screwed on the outer periphery of the tensioning screw 206, and one end of the tensioning screw 206 is fixedly connected to the fixing seat 202, The other end of the tensioning screw 206 slides through the movable seat 203 , the elastic member 208 is sleeved on the outer circumference of the tensioning screw 206 , and the two ends of the elastic member 208 are respectively connected to the tensioning nut 207 Abutting with the movable seat 203 .

Specifically, the tensioning buffer mechanism 201 adjusts the tensioning nut 207 to make the elastic member 208 abut against the movable seat 203 , so that the movable seat 203 extends outward relative to the fixed seat 202 to abut the transmission chain 103 , so as to ensure the transmission chain 103 The tensioned state effectively avoids the loose phenomenon of the transmission chain 103; wherein, a guide shaft 205 is provided, and under the action of the guide shaft 205 and the movable seat 203 sliding relative to each other, on the one hand, the moving direction of the movable seat 203 can be ensured accurately. on the other hand, under the elastic action of the elastic member 208, the movable seat 203 can reciprocate along the axial direction of the guide shaft 205. When the transmission chain 103 is over-tensioned, the movable seat 203 can move back and forth. Moving along the guide shaft 205 close to the fixed seat 202 has the effect of buffering the transmission chain 103 , avoiding the local excessive tension of the transmission chain 103 , effectively buffering the impact force and prolonging the service life of the transmission chain 103 .

In the conveyor chain device of the double-end edge banding machine described in this embodiment, the movable seat 203 is provided with at least two guide holes 209 that cooperate with the guide shaft 205, and the other end of the guide shaft 205 is slidably penetrated through the Inside the guide hole 209 , a bearing is slidably sleeved on the outer circumference of the guide shaft 205 , and the bearing is installed on the inner wall of the guide hole 209 . Specifically, under the action of the bearing, the smoothness and reliability of the cooperation between the guide shaft 205 and the guide hole 209 are improved, and it is convenient for the guide shaft 205 to cooperate with the movable seat 203 to slide and guide.

In the conveyor chain device of the double-end edge banding machine described in this embodiment, the elastic member 208 includes a plurality of disc springs 211 sleeved on the outer circumference of the tensioning screw 206 and a plurality of disc springs sleeved The sleeve 212 on the outer periphery of 211, one end of the disc spring 211 is in contact with the tension nut 207, the other end of the disc spring 211 is in contact with the inner wall of the sleeve 212, and the outer wall of the sleeve 212 is in contact with the movable seat 203 . Specifically, the above arrangement has a good elastic buffering effect, and the movable seat 203 is provided with a connecting sliding hole 214 that cooperates with the tensioning screw 206 to slide, which can stabilize the elastic buffering effect between the movable seat 203 and the elastic member 208 .

In this embodiment, the fixed seat 202 is provided with a chute 213 , and the movable seat 203 is slidably arranged in the chute 213 . Specifically, the stability and accuracy of the sliding of the movable seat 203 relative to the fixed seat 202 are improved.

In this embodiment, both sides of the movable seat 203 are provided with positioning sliders 215 , and both sides of the fixed seat 202 are provided with positioning slots 204 for sliding and positioning with the positioning sliders 215 . Specifically, the above arrangement further provides a guiding effect for the movement of the movable seat 203 .

The traditional chain tensioning mechanism has no guiding structure. Since the transmission chain 103 and the movable seat 203 are pressed against each other, it is difficult for the movable seat 203 to move in the direction of the fixed seat 202 to play a buffering effect. Therefore, the guiding structure of this embodiment is this embodiment. one of the important features.

In the conveyor chain device of the double-end edge banding machine described in this embodiment, the push-out mechanism 216 includes a push-out cylinder 217 and a push-out swing arm 218 connected to the push-out cylinder 217 , and one end of the push-out swing arm 218 is connected to the push-out cylinder 217 . 217 is connected with the piston rod, and the other end of the push-out swing arm 218 is rotatably connected with the movable seat 203 , and the push-out swing arm 218 is provided with a guide surface that cooperates with the hook shaft 5 . Specifically, the push-out cylinder 217 can drive the push-out swing arm 218 to rotate to adjust the position of the push-out swing arm 218; the guide surface can guide the hook shaft 5 passing through the push-out swing arm 218 to the outside of the push-out chain connection unit , which drives the hook shaft 5 to extend.

Preferably, a single chain link unit includes 1 hook link 1, 1 connecting

link

2 and 3 guide links 3, and the connection sequence from right to left is 1 guide link 3, 1 connection Chain link 2, two guide links 3 and one hook link 1; one guide link 3 at the front end can play the effect of guiding movement.

In this embodiment, one end of the hook head link 1 , one end of the connecting link 2 and one end of the guide link 3 are all provided with a linear shaft 6 , and both ends of the linear shaft 6 are rotatably assembled with a first depth Groove ball bearing 7. Specifically, with the cooperation of the linear shaft 6 and the first deep groove ball bearing 7 , the chain link unit can keep running straight on the guide rail body 101 of the double-end edge banding machine.

In this embodiment, the linear shaft 6 is further provided with an oil injection hole 8 . Specifically, lubricating oil can be injected into the oil injection hole 8 to improve the smoothness of the linear shaft 6 and the first deep groove ball bearing 7 .

In this embodiment, the other end of the hook link 1 , the other end of the connecting link 2 and the other end of the guide link 3 are provided with needle bearings 22 ; both sides of the needle bearings 22 are provided with needle bearings 22 . O-ring seal 9. Specifically, the O-ring 9 can prevent dust and impurities from entering the rotating joint position of the needle bearing 22 and prolong the service life of the chain link unit.

In the conveyor chain device of the double-end edge banding machine described in this embodiment, the positioning and walking member 4 includes a positioning shaft 10 connected to the bottom of the guide chain link 3 and a second deep groove ball rotatably assembled at the lower end of the positioning shaft 10 Bearing 11. Specifically, the above arrangement realizes the limited sliding fit of the positioning travel member 4 and the guide rail body 101 of the double-end edge banding machine, and under the structural action of the second deep groove ball bearing 11 , the guide link 3 slides smoothly.

In the conveyor chain device of the double-end edge banding machine described in this embodiment, the hook chain link 1 includes a main body 12 , a backing plate 13 installed on the main body 12 , and a backing plate 13 installed between the main body 12 and the backing plate 13 . The dust-proof sealing ring 14 between the two parts, the dust-proof sealing ring 14 is sleeved on the outer circumference of the hook shaft 5 and tightly assembled with the hook shaft 5, and the hook shaft 5 slides through the main body 12. , dust seal ring 14 and backing plate 13 . Specifically, the dustproof sealing ring 14 can be tightly assembled with the hook shaft 5 on the one hand, and can play a dustproof effect on the other hand, preventing dust from entering the hook chain link 1 and affecting the normal operation.

In this embodiment, a retaining ring bottom cover 15 is installed at the bottom of the main body 12 , a wear-resistant sleeve 16 is installed in the retaining ring bottom cover 15 , and the hook shaft 5 is slidably passed through the wear-resistant sleeve. 16 and a retaining ring bottom cover 15, the lower end of the hook shaft 5 protrudes out of the retaining ring bottom cover 15, a wear-resistant sleeve 16 is sleeved on the outer circumference of the hook-head shaft 5, and the wear-resistant sleeve 16 is One side is provided with a positioning groove 17 , and one side of the hook shaft 5 is provided with a sliding column 18 that cooperates with the positioning groove 17 for positioning. Specifically, with the cooperation of the wear-resistant sleeve 16 and the hook shaft 5, it is convenient for the hook shaft 5 to cooperate closely when sliding up and down. range, the sliding column 18 is prevented from being displaced, thereby preventing the hook shaft 5 from being displaced when moving up and down.

In this embodiment, the top end of the hook shaft 5 is provided with a shaft cover 19 , the main body 12 is provided with a first through groove 20 for the hook shaft 5 to slide through, and the backing plate 13 is provided with A second through-slot 21 communicated with the first through-slot 20 , the second through-slot 21 is adapted to the shaft cover 19 , and the width of the shaft cover 19 is larger than the inner diameter of the first through-slot 20 . Specifically, under the above setting, when the hook head shaft 5 is retracted into the hook head chain link 1, the shaft cover 19 is accommodated in the second through groove 21, and the width of the shaft cover 19 is larger than that of the first through hole. The width of the inner diameter of the groove 20, the main body 12 can bear against the shaft cover 19, and can prevent the hook shaft 5 from falling off.

In this embodiment, the hook shaft 5 is cylindrical.

In this embodiment, spring steel strips 104 are installed on the inner side wall and the upper side wall of the guide rail body 101 . Wherein, the spring steel strip 104 is the spring steel strip 104 after heat treatment. Specifically, the inner and upper side walls of the guide rail body 101 are the contact surfaces when the transmission chain 103 slides and guides, and a heat-treated spring steel belt 104 is installed. The contact surface 104 has high hardness, so that the transmission chain 103 and the guide rail body 101 can be durable and improve the service life.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention is disclosed above with preferred embodiments, it is not intended to limit the present invention. , within the scope of the technical solution of the present invention, when using the technical content disclosed above to make some changes or modifications to equivalent embodiments of equivalent changes, but without departing from the technical solution content of the present invention, according to the technology of the present invention refers to the above Any simple modifications, equivalent changes and modifications made in the examples fall within the scope of the technical solutions of the present invention.

Claims

A conveyor chain device for a double-ended edge banding machine is characterized in that it comprises a guide rail body, a tensioning buffer mechanism arranged at the feed end of the guide rail body, a main discharge sprocket rotatably arranged at the discharge end of the guide rail body, and a winding device. The transmission chain of the guide rail body, the tensioning buffer mechanism and the main discharge sprocket, the transmission chain includes a plurality of chain link units, and the plurality of chain link units are connected in series to form an annular transmission chain;

The chain link unit includes interconnected hook links, connecting links and guide links. A positioning and walking part is arranged below the guide links, and hooks that can be telescopically moved inside and outside are arranged on the hook links. Shaft; the hook shaft moves synchronously with the chain link unit;

A bridge support plate is arranged between the guide rail body and the main discharge sprocket, and the bridge support plate is extended on the discharge end of the guide rail body;

The conveyor chain device also includes a push-out mechanism for extending the hook shaft out of the transmission chain and a push-in mechanism for pressing the hook shaft into the transmission chain.
The conveyor chain device of a double-end edge banding machine according to claim 1, wherein the pressing mechanism comprises a first pressing component and a second pressing component; the first pressing component includes a pressing component. an inlet cylinder and a pressing plate connected with the output end of the pressing cylinder; the second pressing mechanism includes a pressing mounting seat, a plurality of pressing supporting arms arranged on the pressing mounting seat, and a plurality of pressing supporting arms rotatably arranged on the pressing supporting The pressing wheel at the top end of the arm; the pressing wheel is in sliding contact with the transmission chain.
A conveyor chain device for a double-end edge banding machine according to claim 2, wherein the pressing plate comprises a horizontal pressing section and a guiding slope section connected to the front end of the horizontal pressing section; When the intake cylinder drives the pressing plate to approach the transmission chain, a gap is formed between the horizontal pressing section of the pressing plate and the transmission chain.
A conveyor chain device for a double-end edge banding machine according to claim 1, characterized in that: the conveyor chain device further comprises an auxiliary discharge mechanism, and the auxiliary discharge mechanism is located on one side of the discharge end of the guide rail body; The auxiliary discharge mechanism includes an auxiliary discharge support, a roller chain, an auxiliary discharge plate installed on the auxiliary discharge support, and an auxiliary discharge motor installed on the auxiliary discharge support. The output of the auxiliary discharge motor is The end is connected with an auxiliary discharge sprocket, the auxiliary discharge plate is spaced and rotated with two driven sprockets, and the roller chain is wound around the auxiliary discharge sprocket and the two driven sprockets ;The upper end face of the roller chain and the upper end face of the drive chain are on the same level.
A conveyor chain device for a double-end edge banding machine according to claim 1, wherein the tensioning buffer mechanism includes a fixed seat and a movable seat for supporting the chain, and the fixed seat is fixed on the guide rail body. At one end, the movable seat is slidably arranged on the fixed seat, and a guide structure and a tension buffer structure are arranged between the movable seat and the fixed seat;

The guide structure includes at least two guide shafts arranged at intervals, one end of the guide shaft is fixedly connected with the fixed seat, and the other end of the guide shaft slides through the movable seat;

The tensioning buffer structure includes a tensioning screw rod, a tensioning nut and an elastic part, the tensioning nut is screwed on the outer circumference of the tensioning screw rod, one end of the tensioning screw rod is fixedly connected with the fixing seat, and the other end of the tensioning screw rod slides The elastic member is sleeved on the outer circumference of the tensioning screw, and the two ends of the elastic member are respectively abutted with the tensioning nut and the movable seat.
A conveyor chain device for a double-ended edge banding machine according to claim 5, wherein the movable seat is provided with at least two guide holes matched with a guide shaft, and the other end of the guide shaft slides through In the guide hole, the outer circumference of the guide shaft is slidably sleeved with a bearing, and the bearing is installed on the inner wall of the guide hole.
A conveyor chain device for a double-end edge banding machine according to claim 5, wherein the elastic component comprises a plurality of disc springs sleeved on the outer circumference of the tensioning screw, and a plurality of disc springs sleeved on the outer circumference of the tension screw. A sleeve on the outer circumference of the disc spring, one end of the disc spring is in contact with the tension nut, the other end of the disc spring is in contact with the inner wall of the sleeve, and the outer wall of the sleeve is in contact with the movable seat.
A conveyor chain device for a double-ended edge banding machine according to claim 5, wherein the push-out mechanism comprises a push-out cylinder and a push-out swing arm connected with the push-out cylinder, and one end of the push-out swing arm is connected to the push-out cylinder The other end of the push-out swing arm is rotatably connected with the movable seat, and the push-out swing arm is provided with a guide surface which is matched and abutted with the hook shaft.
A conveyor chain device for a double-ended edge banding machine according to claim 1, wherein the positioning and traveling component comprises a positioning shaft connected to the bottom of the guide chain link.
A conveyor chain device for a double-ended edge banding machine according to claim 1, wherein the hook chain link comprises a main body, a backing plate installed on the main body, and a backing plate installed between the main body and the backing plate. The dust-proof sealing ring is sleeved on the outer circumference of the hook shaft and tightly assembled with the hook shaft, and the hook shaft slides through the main body, the dust-proof sealing ring and the backing plate .