CN114750259A

CN114750259A - Chopstick end machine

Info

Publication number: CN114750259A
Application number: CN202210215866.9A
Authority: CN
Inventors: 周孙增; 李巧丽
Original assignee: Chengbu Xincheng Machinery Manufacturing Co ltd
Current assignee: Chengbu Xincheng Machinery Manufacturing Co ltd
Priority date: 2022-03-06
Filing date: 2022-03-06
Publication date: 2022-07-15

Abstract

The invention discloses a chopstick end machine which comprises a rack, wherein a transverse stretching mechanism is arranged on the rack and connected with a pressing rack table, and arc-shaped brackets are arranged on two sides of the pressing rack table; a support is fixed on the pressing frame platform and is connected with a vertical stretching mechanism, the vertical stretching mechanism is connected with a connecting plate, and two sides of the connecting plate are fixedly connected with arc-shaped pressing frames corresponding to the arc-shaped brackets; the arc-shaped pressing frames and the arc-shaped brackets are arranged in a staggered manner; the two ends of the arc-shaped pressing frame are connected through an elastic structure; mounting plates are fixed on two sides of the rack, saw wheels are mounted on two sides of the interior of each mounting plate, and the saw wheels are in power connection with rotating devices; a second inclined material guide plate is arranged below the saw wheel, and a material conveying device is arranged below the second inclined material guide plate. According to the invention, through the arrangement of the elastic pressing structure and the automatic cutting, feeding and discharging structures, the two ends of the wood strips for manufacturing the chopsticks are aligned and cut in batch, the working efficiency is improved, the product quality is ensured, and automatic chip removal is realized.

Description

Chopstick end machine

Technical Field

The invention relates to the field of machinery, in particular to a chopstick end machine.

Background

In the process of manufacturing the disposable chopsticks, the bamboo is required to be cut into a plurality of flaky structures, and then two ends are flattened by adopting an end machine. For example, the invention patent CN 212045153U discloses a bamboo chopstick head aligning machine, which aligns chopsticks through a chopstick conveying roller, a cutter, a correcting plate, a pressing mechanism and a material guiding plate. But the head of the chopsticks is aligned to cut one chopstick at a time, which causes low working efficiency.

Disclosure of Invention

In order to solve the technical problem, the invention provides a chopstick end machine. According to the invention, through the arrangement of the elastic pressing structure and the automatic cutting, feeding and discharging structures, the two ends of the wood strips for manufacturing the chopsticks are aligned and cut in batch, the working efficiency is improved, the product quality is ensured, and automatic chip removal is realized.

The purpose of the invention is realized by the following technical scheme:

a chopstick end machine comprises a rack, wherein a transverse stretching mechanism is arranged on the rack and connected with a pressing frame platform, and arc-shaped brackets are arranged on two sides of the pressing frame platform; a support is fixed on the pressing frame platform and is connected with a vertical stretching mechanism, the vertical stretching mechanism is connected with a connecting plate, and two sides of the connecting plate are fixedly connected with arc-shaped pressing frames corresponding to the arc-shaped brackets; the arc-shaped pressing frame and the arc-shaped bracket are arranged in a staggered manner; the two ends of the arc-shaped pressing frame are connected through an elastic structure; mounting plates are fixed on two sides of the rack, saw wheels are mounted on two sides of the interior of each mounting plate, and the saw wheels are in power connection with rotating devices; and a second inclined material guide plate is arranged below the saw wheel, and a material conveying device is arranged below the second inclined material guide plate.

In a further improvement, an alignment baffle is arranged on one side of the pressing frame platform.

In a further improvement, the saw wheel is connected with a first driving wheel, the first driving wheel is connected with a second driving wheel through a driving belt, and the second driving wheel is connected with the rotating device.

In a further improvement, the rotating device is a motor, and the transverse stretching mechanism and the vertical stretching mechanism are both cylinders; the material conveying device is a conveying belt.

In a further improvement, the elastic structure is a spring or an elastic belt.

In a further improvement, the pressing frame platform is connected on two parallel cylindrical rails in a sliding mode.

In a further improvement, a first inclined baffle connected with the second inclined material guide plate is arranged below the cylindrical track, and the inclination angle of the first inclined baffle is smaller than that of the second inclined material guide plate.

In a further improvement, the rack is provided with two manipulators which are respectively arranged at two sides of the pressing frame platform.

In a further improvement, an upper baffle plate which covers the mounting plate and is connected with the mounting plate in a sliding manner is fixed on the bracket.

The invention has the beneficial effects that:

according to the invention, through the arrangement of the elastic pressing structure and the automatic cutting, feeding and discharging structures, the two ends of the wood strips for manufacturing the chopsticks are aligned and cut in batch, the working efficiency is improved, the product quality is ensured, and automatic chip removal is realized.

Drawings

The invention is further illustrated by means of the attached drawings, the content of which is not in any way limitative of the invention.

FIG. 1 is a front view of a disposable chopstick processing machine;

FIG. 2 is a schematic top view of the disposable chopstick processing machine;

FIG. 3 is a schematic view of the installation structure of the front milling cutter and the rear milling cutter;

FIG. 4 is a schematic view of the engagement of the upper gear and the lower gear;

FIG. 5 is a schematic top view of the device for processing double-ended chamfers of disposable chopsticks;

FIG. 6 is a schematic view of a partial gear;

FIG. 7 is a schematic view of the structure of the feeding chain;

FIG. 8 is a schematic view of the internal structure of the chopstick feeding mechanism;

FIG. 9 is a schematic view of the overall three-dimensional structure of the chopstick feeding mechanism;

FIG. 10 is a schematic side view of the chopstick feeding mechanism;

FIG. 11 is a side view of the disposable chopstick slicer;

FIG. 12 is a schematic view of the vertical rod and spring;

FIG. 13 is a schematic structural diagram of a bevel gear mechanism;

FIG. 14 is a schematic perspective view of a chopstick end machine;

fig. 15 is a schematic view of the internal structure of the chopstick end machine.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples.

Example 1

The disposable chopstick processing machine shown in fig. 1-4 comprises a chopstick storage structure 201, a feeding track 314 is arranged below the chopstick storage structure 201, the bottom of the chopstick storage structure 201 is open, and a gap is formed between the feeding track 314 and the chopstick storage structure 201; an upper limit track 202 is arranged above the feeding track 314, and a feeding gap 203 for conveying disposable chopsticks is formed between the feeding track 314 and the upper limit track 202; a push block 239 is connected onto the feeding track 314 in a sliding manner, one end of a first connecting rod 240 is connected to the side surface of the push block 239 in a shaft mode, the other end of the first connecting rod 240 is hinged with one end of a second connecting rod 204, and the second connecting rod 204 is connected with a pressing wheel; the pressing wheels comprise an upper pressing wheel 205 and a lower pressing wheel 206 which are respectively positioned above and below the feeding track 314; a lower milling and washing wheel 207, an upper milling and washing wheel 208, a front milling and washing knife 209, a rear milling and washing knife 210 and a grooving knife wheel 211 are sequentially arranged along the feeding direction of the feeding track 314; the front milling and washing blade 209 and the rear milling and washing blade 210 are oppositely arranged. The upper pressing wheel 205, the lower pressing wheel 206, the lower milling and washing wheel 207 and the upper milling and washing wheel 208 are in power connection through a transmission belt, and the power is connected with a first rotating motor 242; specifically, the first rotating electric machine 242 is connected with a gearbox 243, the gearbox 243 is connected with a first transmission shaft 244 and a gearbox 212, three sets of gears are installed in the gearbox 212, and the three sets of gears are in transmission connection with a seventh chain 214 through a seventh chain wheel 213; each set of gears includes an upper gear 215 and a lower gear 216 meshed with the upper gear 215; the upper gear 215 and the lower gear 216 are respectively connected with a first upper transmission shaft 217 and a first lower transmission shaft 218, the first upper transmission shaft 217 and the first lower transmission shaft 218 are respectively connected with a second upper transmission shaft 220 and a second lower transmission shaft 221 through universal joints 219, the second upper transmission shaft 220 is connected with an upper pressure wheel 205, and the second lower transmission shaft 221 is connected with a lower pressure wheel 206. The lower milling and washing wheel 207 and the upper milling and washing wheel 208 are respectively connected with a lower milling and washing wheel shaft 222 and an upper milling and washing wheel shaft 223, the lower milling and washing wheel shaft 222 and the upper milling and washing wheel shaft 223 are respectively in transmission connection with a first transmission shaft 244 through a first transmission wheel 224 and a first transmission belt 225, and the upper milling and washing wheel shaft 223 is in transmission connection with a slotting cutter wheel shaft 227 connected with a slotting cutter wheel 211 through a second transmission wheel 226 and a second transmission belt 245. Notches corresponding to the pressing wheel, the lower milling and washing wheel 207 and the upper milling and washing wheel 208 are formed on the feeding track 314 and the upper limiting track 202.

The grooving cutter wheel shaft 227 is connected with a vertical rod 228, the vertical rod 228 is slidably connected with a vertical guide groove 229, a first cam 241 is installed below the vertical rod 228, and the first cam 241 is connected with a second rotating motor 230.

The front milling and washing knife 209 and the rear milling and washing knife 210 are respectively connected with a left rotating motor 232 and a right rotating motor 233 through a front milling and washing knife shaft 231 and a rear milling and washing knife shaft 246, the left rotating motor 232 and the right rotating motor 233 are respectively connected on a slide 235 through a slide block 234 in a sliding manner, and a compression spring 236 is arranged between the left rotating motor 232 and the right rotating motor 233; a second cam 237 is attached to the outer sides of the left rotating motor 232 and the right rotating motor 233, respectively, and a third rotating motor 238 is connected to the second cam 237. The chopstick storage structure 201 is a chopstick storage box.

Thus, when the disposable chopstick processing machine is used, the battens 20 cut into rectangles fall from the bottom of the chopstick storage structure 201, the pressing wheel rotates for a circle to drive the second connecting rod 204, and further the pushing block 239 slides forwards and backwards once, and the pushing block 239 pushes the battens 20 to the position between the upper pressing wheel and the upper pressing wheel for transmission. The pushing block 239 continuously pushes the wood strips 20, and then the wood strips sequentially pass through the lower milling and washing wheel 207 and the upper milling and washing wheel 208 to be milled, washed and polished on the upper surface and the lower surface.

Then, when the wood strip 20 passes through the front milling and washing knife 209 and the rear milling and washing knife 210, the second cam 237 rotates and cooperates with the compression spring 236 to push the left rotating motor 232 and the right rotating motor 233 to move relatively and relatively along the slide 235, so that when the front and rear surfaces of one wood strip 20 are milled and washed, the left rotating motor 232 and the right rotating motor 233 are shown to be closest to each other, and then the distance gradually increases under the pushing of the spring, so that the wood strip 20 forms a shape that the front end is narrow and the rear end is gradually widened when the wood strip 20 advances. When the next strip 20 is milled and washed on the front and rear surfaces, the left rotary motor 232 and the right rotary motor 233 are moved in the opposite direction from the farthest distance, so that the strip is formed into a shape having a wide front end and a narrow rear end. The second cam 237 rotates one circle, and the left rotating motor 232 and the right rotating motor 233 pass through two battens 20, so that the adjacent battens 20 are arranged head to head and tail to tail.

Then, when the wood strip passes through the grooving cutter wheel 211, the grooving cutter wheel 211 grooves the wood strip from the middle of the wood strip 20 to form the disposable chopsticks 10 with the middle grooves cut well. When the grooving cutter wheel 211 performs grooving, the first cam 241 rotates and drives the grooving cutter wheel 211 to move up and down through the vertical rod 228, wherein when the grooving cutter wheel moves from the lowest part to the uppermost part, a groove with a depth gradually from the tail part to the head part of one batten 20 is cut, and then when the grooving cutter wheel moves from the uppermost part to the lowest part, a groove with a depth from the depth to the tail part of the next batten 20 is cut. That is, the first cam 241 rotates once, and the trencher wheel 211 cuts two sticks 20.

The initial profile of the disposable chopsticks is processed, the head part needs to be chamfered, and the disposable chopstick double-end chamfering processing device is connected for facilitating the one-time completion. Specifically, as shown in fig. 5-7, the double-end chamfering device for disposable chopsticks comprises a first transverse rotating shaft 301, a first chain wheel 302 is mounted on the first transverse rotating shaft 301, the first chain wheel 302 is connected with a second chain wheel 304 through a first chain 303 in a transmission manner, the second chain wheel 304 is connected with a second transverse rotating shaft 305, the second transverse rotating shaft 305 is connected with an incomplete gear 306, the incomplete gear 306 is engaged with a gear 307, and the gear 307 is connected with a third transverse rotating shaft 308; the incomplete gear 306 includes two toothed regions 3061 and two non-toothed regions 3062, the toothed regions 3061 and the non-toothed regions 3062 being spaced apart from one another; the two ends of the third transverse rotating shaft 308 are respectively connected with a fourth chain wheel 309, and the fourth chain wheel 309 is connected with a fifth chain wheel 311 through a feeding chain 310;

a plurality of pushing blocks 312 are fixed on the feeding chain 310; a pressing plate 313 is arranged on one side above the feeding chain 310; a feeding track 314 is formed on the outer side of one end of the feeding chain 310, and the length direction of the feeding track 314 is perpendicular to the length direction of the feeding chain 310;

the two ends of the first transverse rotating shaft 301 are connected with first bevel gears 315, the first bevel gears 315 are engaged with second bevel gears 316, and the second bevel gears 316 are respectively connected with longitudinal rotating shafts 317; a first rocking handle mechanism and a second rocking handle mechanism are arranged on the longitudinal rotating shaft 317; the first rocking handle mechanism is connected with chamfer polishing mechanisms, and the two chamfer polishing mechanisms are positioned at different stations; the second rocking handle mechanism is connected with a push plate aligning mechanism. The first rocking handle mechanism comprises a first U-shaped rocking handle 318 formed on the longitudinal rotating shaft 317, the first U-shaped rocking handle 318 is connected with one end of a first rocking rod 319 in a shaft coupling mode, and the other end of the first rocking rod 319 is hinged with the chamfer polishing mechanism.

The second rocking handle mechanism comprises a second U-shaped rocking handle 320, the second U-shaped rocking handle 320 is connected with one end of a second rocking bar 321 in a shaft mode, the second rocking bar 321 is connected with a push rod 322 in a hinged mode, and the push rod 322 is connected with a push plate 323. Preferably, the surface of the push block 312 contacting with the disposable chopsticks is an inclined surface attached to the disposable chopsticks.

The using method comprises the following steps:

the disposable chopsticks 10 with the cut middle grooves are conveyed to a feeding chain 310 through a feeding track 314, wherein an incomplete gear 306 drives a gear 307 to move once by using a toothed area 3061 each time, the feeding chain 310 moves for one station, the feeding track 314 pushes one disposable chopstick by a feeding device, the incomplete gear 306 is provided with two toothed areas 3061 and two non-toothed areas 3062, the incomplete gear rotates for one circle, the feeding chain 310 inserts two disposable chopsticks, meanwhile, the incomplete gear 306 rotates for one circle, a longitudinal rotating shaft 317 is driven by a bevel gear to rotate for the same circle, the longitudinal rotating shaft 317 drives a first U-shaped rocking handle 318 and a second U-shaped rocking handle 320 to rotate for one circle, a chamfer polishing mechanism completes one-time swinging action, when the chamfer polishing mechanism swings downwards, the heads of the disposable chopsticks on the corresponding station are polished, and a push plate aligning mechanism completes one-time left-right movement, the disposable chopsticks at two stations are pushed to be aligned by each movement.

Thus, the head parts of the disposable chopsticks 10 which are connected end to end are chamfered.

The chamfer polishing mechanism comprises a polishing motor 324, the polishing motor 324 is connected with a polishing blade 325, and the polishing motor 324 is hinged on the frame.

A sixth chain wheel 326 is further mounted on the first transverse rotating shaft 301, and the sixth chain wheel 326 is connected with a rotating power source in a transmission manner. The sixth sprocket 326 is in power transmission connection with the pressure wheel through a chain and a sprocket, the transmission ratio of the pressure wheel to the incomplete gear 306 is 2:1, namely the pressure wheel rotates for two circles, and the incomplete gear 306 rotates for one circle.

Example 2

As shown in fig. 8-10, on the basis of embodiment 1, the chopstick storing structure 201 is replaced by a chopstick feeding mechanism, as shown in fig. 9, comprising a U-shaped frame 501 arranged obliquely, the U-shaped frame 501, an oblique material guiding plate 502 connected to the bottom of the U-shaped frame 501, the oblique material guiding plate 502 corresponding to the feeding track 314; the U-shaped frame 501 includes a middle plate 5011 in the middle. Side plates 5012 are arranged on two sides of the middle plate 5011; a plurality of limiting rods 503 are arranged along the bottom of the middle plate 5011 from bottom to top, a limiting plate 504 which is parallel to the middle plate 5011 is fixed between the limiting rods 503, a material shifting rotating shaft 506 is arranged above the limiting rods 503, material shifting gears 507 are arranged at two ends of the material shifting rotating shaft 506, and gaps 505 are formed between the material shifting gears 507 and the limiting plate 504 and the middle plate 5011; the thickness of the gap 505 is the same as the thickness of the strip 20; a material lifting rotating shaft 507 is arranged outside the material stirring rotating shaft 506, and two material lifting rods 508 are fixedly connected to two ends of the material lifting rotating shaft 507; a limiting rod 509 is arranged above the material lifting rotating shaft 507; at least two material baffles 510 are arranged between the limiting rod 509 and the material lifting rotating shaft 507; a power rotating device 511 is arranged outside the material stirring rotating shaft 506, the material stirring rotating shaft 506 is also connected with a rectangular block 521, and a stirring rod 522 corresponding to the rectangular block 521 is fixed on the material lifting rotating shaft 507; the material stirring rotating shaft 506 is connected with a power rotating device 511 through a chain wheel and a chain in a transmission way, and the power rotating device 511 is a motor.

The side plate 5012 is formed with a long hole 523, an adjusting wheel shaft 524 is installed in the long hole 523, and the adjusting wheel shaft 524 is connected with a tension sprocket 525 matched with a chain.

The using method comprises the following steps: the well-aligned battens are put into a material raising rod 508, one end of the material raising rod 508 is fixedly connected with the material raising rotating shaft 507, and the other end is singly arranged on the material stirring rotating shaft 506. Rectangular block 521 striking driving lever 522 when the motor is rotatory, driving lever 522 drives the material lifting pivot 507 and rotates, makes the material lifting rod 508 upwards bounce simultaneously for the plank is upwards raised and then falls down, thereby reaches the material shifting gear 507, and the material shifting gear 507 is rotatory, stirs the stuff, makes the stuff that laminates with slope stock guide 502 slide downwards and pass until reaching pay-off track 314 department. The material raising rod 508 enables the battens to be fed without being extruded mutually to cause incapability of feeding.

Example 3

In order to further prolong the production line and improve the production efficiency, a disposable chopstick slicing machine and a chopstick end machine are arranged. As shown in fig. 11-13, the disposable chopstick slicing machine comprises a slicing frame 401, a horizontal cutter head 402 is coupled to the middle of the slicing frame 401, a feeding pressing wheel set is mounted on the right side of the horizontal cutter head 402, and a discharging pressing wheel set is mounted on the left side of the horizontal cutter head; the feeding pressing wheel set; the feeding pressing wheel group and the feeding pressing wheel group respectively comprise a plurality of groups of pressing wheel groups, each pressing wheel group comprises an upper pressing wheel 403 and a lower pressing wheel 404, and the upper pressing wheel 403 is in transmission connection with the lower pressing wheel 404; the horizontal cutter disc 402 is connected with a middle chain wheel 405, a left chain wheel 406 is installed on the left side of the middle chain wheel 405, a right chain wheel 407 is installed on the right side of the middle chain wheel 405, and the middle chain wheel 405, the left chain wheel 406 and the right chain wheel 407 are in transmission connection through chains; the left chain wheel 406 and the right chain wheel 407 are respectively in power connection with a discharging pressing wheel set and a feeding pressing wheel set through bevel gear mechanisms;

one of the left sprocket 406, the right sprocket 407 and the middle sprocket 405 is connected with a rotary power mechanism 408; the bevel gear mechanism comprises a gear shaft 409, the gear shaft 409 is connected with a first bevel gear 410, the first bevel gear 410 is connected with a second bevel gear 411, and the second bevel gear 411 is connected with a pressure roller shaft 412.

The press wheel sets are in transmission connection through a transmission belt 414. The discharging pressing wheel set comprises three pressing wheel sets, and the feeding pressing wheel set comprises two pressing wheel sets. In the discharging pressing wheel set, the upper pressing wheel 403 in the middle is in transmission connection with the left chain wheel 406 through a bevel gear mechanism. The upper pinch roller 403 is arranged on a vertical rod 415, and the vertical rod 415 is connected to the slicing rack 401 in a sliding manner; a spring 416 is sleeved on the vertical rod 415, and a nut 417 is connected to the top of the vertical rod 415; a plate 418 is fixed to the vertical rod 415 in cooperation with the spring 416. A material storage box 419 is arranged below the discharging end of the slicing rack 401, an L-shaped rod 420 is arranged above the material storage box 419, and a material sensor 421 is arranged on the L-shaped rod 420; the L-shaped rod 420 is connected with a lifting cylinder 422, the lifting cylinder 422 is connected with a movable blade 423, and a fixed blade 424 is installed by matching with the movable blade 423.

When the disposable chopstick slicing machine is used, a wood board is inserted between the upper pressing wheel 403 and the lower pressing wheel 404, then the wood board is thinned through the horizontal cutter disc 402 to form an upper slice and a lower slice, then when discharging is carried out, an induction signal is triggered when the wood board reaches the position of the material sensor 421, the lifting cylinder 422 descends to cut the slices through the movable knife to form short wood strips, and the short wood strips fall into the material storage box 419. When each plank reaches the final section, the final section is removed by a worker or robot.

The battens in the storage box 419 are grabbed by the mechanical arm of the chopstick end machine, are aligned at two ends and are then conveyed to the chopstick feeding mechanism by the mechanical arm.

Example 4

In order to improve the efficiency of the wooden stick end, the existing end machine is improved as follows, and as shown in fig. 14 and 15, the chopstick end machine comprises a rack 101, wherein a transverse stretching mechanism 102 is installed on the rack 101, the transverse stretching mechanism 102 is connected with a pressing frame 103, and arc-shaped brackets 104 are installed on two sides of the pressing frame 103; a support 105 is fixed on the pressing frame 103, the support 105 is connected with a vertical stretching mechanism 106, the vertical stretching mechanism 106 is connected with a connecting plate 107, and two sides of the connecting plate 107 are fixedly connected with arc-shaped pressing frames 108 corresponding to the arc-shaped brackets 104; the arc-shaped pressing frames 108 and the arc-shaped brackets 104 are arranged in a staggered manner; the two ends of the arc-shaped pressing frame 108 are connected through an elastic structure 109; mounting plates 110 are fixed on two sides of the frame 101, saw wheels 111 are mounted on two sides inside the mounting plates 110, and the saw wheels 111 are in power connection with a rotating device 112; a second inclined material guide plate 113 is arranged below the saw wheel 111, and a material conveying device 114 is arranged below the second inclined material guide plate 113. An alignment baffle 115 is installed at one side of the platen 103.

The using method of the invention is as follows:

the battens cut into strips in advance are stacked on the arc-shaped bracket 104 and aligned through the alignment baffle 115, then the vertical stretching mechanism 106 is pressed downwards, the stacked battens are pressed and limited through the elastic structure 109, then the transverse stretching mechanism 102 contracts, the two ends of the battens are close to the saw wheel 111, the two ends of the battens are cut orderly by the saw wheel 111, and the battens with the same length are obtained. The cut wood chips and the like fall off on the second inclined material guide plate 113 and are conveyed away by the material conveying device 114, then the transverse stretching mechanism 102 extends, the vertical stretching mechanism 106 retracts, and the battens with the cut ends are taken away to perform the next process.

The battens are pressed downwards through the elastic structures 109, so that when the battens are pressed downwards, the elastic structures 109 are fully attached to the upper surface of the material pile, the extrusion force is uniform, and the deflection caused by the primary lateral pressure when part of the battens are not subjected to the extrusion force to cause cutting is effectively prevented.

In order to realize automatic loading and unloading, two manipulators 121 respectively positioned at two sides of the pressing frame 103 are installed on the frame 101. One hand 121 feeds and the other hand discharges.

The saw wheel 111 is connected to a first driving wheel 116, the first driving wheel 116 is connected to a second driving wheel 118 through a driving belt 117, and the second driving wheel 118 is connected to the rotating device 112.

The rotating device 112 is a motor, and the transverse stretching mechanism 102 and the vertical stretching mechanism 106 are both air cylinders; the material transport device 114 is a conveyor belt. The elastic structure 109 is a spring or an elastic band.

The carriage block 103 is slidably connected to two parallel cylindrical rails 119.

A first inclined baffle 120 connected with the second inclined material guide plate 113 is arranged below the cylindrical rail 119, and the inclination angle of the first inclined baffle 120 is smaller than that of the second inclined material guide plate 113, so that a good chip removal effect is achieved.

An upper baffle 122 is fixed to the bracket 105 to cover the mounting plate 110 and slidably coupled to the mounting plate 110.

Claims

1. A chopstick end machine comprises a rack (101), wherein a transverse stretching mechanism (102) is installed on the rack (101), the transverse stretching mechanism (102) is connected with a pressing frame (103), and arc-shaped brackets (104) are installed on two sides of the pressing frame (103); a support (105) is fixed on the pressing frame (103), the support (105) is connected with a vertical stretching mechanism (106), the vertical stretching mechanism (106) is connected with a connecting plate (107), and two sides of the connecting plate (107) are fixedly connected with arc-shaped pressing frames (108) corresponding to the arc-shaped brackets (104); the arc-shaped pressing frames (108) and the arc-shaped brackets (104) are arranged in a staggered manner; two ends of the arc-shaped pressing frame (108) are connected through an elastic structure (109); mounting plates (110) are fixed on two sides of the rack (101), saw wheels (111) are mounted on two sides inside the mounting plates (110), and the saw wheels (111) are in power connection with rotating devices (112); a second inclined material guide plate (113) is arranged below the saw wheel (111), and a material conveying device (114) is arranged below the second inclined material guide plate (113).

2. The chopstick-end machine according to claim 1, wherein an alignment baffle (115) is installed at one side of the pressing frame (103).

3. Chopstick end machine according to claim 1, wherein said saw wheel (111) is connected to a first driving wheel (116), said first driving wheel (116) being connected to a second driving wheel (118) through a driving belt (117), said second driving wheel (118) being connected to said rotating means (112).

4. The chopstick end machine according to claim 1, wherein the rotating device (112) is a motor, and the transverse stretching mechanism (102) and the vertical stretching mechanism (106) are both air cylinders; the material conveying device (114) is a conveyor belt.

5. Chopstick end machine, according to claim 1, wherein said elastic structure (109) is a spring or an elastic band.

6. Chopstick-end machine, according to claim 1, wherein said presser foot (103) is slidingly connected to two parallel cylindrical tracks (119).

7. The chopstick end machine according to claim 6, wherein a first inclined baffle (120) connected with the second inclined material guiding plate (113) is installed below the cylindrical track (119), and the inclination angle of the first inclined baffle (120) is smaller than that of the second inclined material guiding plate (113).

8. Chopstick end machine according to claim 1, wherein two manipulators (121) are mounted on the frame (101), one on each side of the pressing block (103).

9. Chopstick end machine according to claim 1, characterised in that said support (105) is fixed with an upper baffle (122) covering the mounting plate (110) and slidingly connected to the mounting plate (110).