CN106005909A

CN106005909A - Automatic-conveying and automatic-oiling device for bolt

Info

Publication number: CN106005909A
Application number: CN201610538203.5A
Authority: CN
Inventors: 卢伟群
Original assignee: 卢伟群
Current assignee: Wuzhou Xinsen Fastener Co., Ltd.
Priority date: 2016-07-05
Filing date: 2016-07-05
Publication date: 2016-10-12
Anticipated expiration: 2036-07-05
Also published as: CN106005909B

Abstract

The invention belongs to the technical field of bolt processing, and particularly relates to an automatic-conveying and automatic-oiling device for a bolt. The automatic-conveying and automatic-oiling device comprises two conveying shafts. The two conveying shafts are arranged at the discharging end of a vibration tray, are parallel to each other, and have angles of inclination with the bottom surface. One end of each conveying shaft is connected with the discharging end of the vibration tray through a first mounting frame. The other end of each conveying shaft inclines downwards and extends outwards, and is connected with the vibration tray through a second mounting frame. An inclined conveying passage is formed between the two conveying shafts. The minimum width of the conveying passage is not larger than the external diameter of an annular bulge at the upper end part of the bolt. The center of gravity of the bolt is located at the lower end of the annular bulge. An oiling component, which can automatically stick rust preventive lubricating oil on the bolt when the bolt moves on the conveying passage, is arranged on the conveying shafts. Compared with the prior art, the automatic-conveying and automatic-oiling device has the advantages that 1, design is reasonable, the degree of automation is high, the conveying efficiency is improved, and automatic oiling can be realized; 2, the structure is compact, and mounting is convenient; and 3, the adjustability is high, the automatic-conveying and automatic-oiling device can be suitable for products of different specifications, adjusting is convenient, and the purchase cost of enterprises is reduced.

Description

Screw is from being fed from oiling device

Technical field

The invention belongs to screw processing technique field, relate to a kind of conveyer device, especially Relate to a kind of screw from being fed from oiling device.

Background technology

Existing screw needs be delivered to processing stations or machine in the course of processing After need to be delivered to finished product box, but existing screw, manually make it hang down adding man-hour requirement Conveying after straight, artificial conveyance is not only lost time, and has more had a strong impact on working (machining) efficiency, i.e. Conveying equipment is made also to be unable to reach the effect of automatic unpowered conveying, and existing spiral shell Nail conveying equipment cannot carry the screw of different size, also regulates more difficulty even if having, Also screw cannot be oiled when conveying, carry poor stability.

Such as, Chinese patent literature disclose a kind of screw [application number: 201520909993.4], the screw being connected with head of screw including the head of screw being made into integration Bar, described head of screw offers the first groove, offers the second groove in the first groove, Described first groove is the first cross recess, and this cross recessed wherein groove is at head of screw Get through in the radial direction and form the first flat recess.

If above-mentioned screw uses artificial blowing to carry adding man-hour, it will has a strong impact on and adds Work efficiency rate.

Summary of the invention

It is an object of the invention to for the problems referred to above, it is provided that a kind of reasonable in design, automatization Degree is high, improves transfer efficiency, and the screw that can certainly oil is from being fed from oiling device.

For reaching above-mentioned purpose, present invention employs following technical proposal: this screw is from defeated Send from oiling device, it is characterised in that include being arranged on two phases of vibrating tray discharge end The most parallel and conveying axis with inclined bottom surface, described conveying axis one end is by the first installation Frame is connected with vibrating tray discharge end, and the other end is downward-sloping to stretch out and by second Installing rack is connected with vibrating tray, forms the transfer passage of inclination between two conveying axis, The minimum widith of described transfer passage is no more than arranged on the annular protrusion of screw upper end External diameter, and screw center of gravity is positioned at the lower end of annular protrusion, is provided with and can work as on conveying axis The assembly that oils of rust preventive lubricating oil can be certainly affixed when screw moves on transfer passage, described The assembly that oils include the oil storage box that is arranged on below transfer passage and upper end is uncovered, described Oil storage box inner close to the first installing rack, described oil storage box outer end offers and can make The material-removing structure of screw removal oil storage box, in described oil storage box, both sides are respectively provided with sea of putting the oil Silk floss, puts the oil at two pieces and forms passage of putting the oil between sponge, and the first described installing rack passes through The first governor motion and the vibration material of the first installing rack height in vertical direction can be regulated Dish is connected, and the second described installing rack is by regulating the second installing rack in vertical direction Second governor motion of upper height is connected with vibrating tray.

At above-mentioned screw from being fed from oiling device, described oil storage box includes first Half box and the second half boxes, described the first half boxes are installed in wherein below a conveying axis, Described the second half boxes are installed in another root conveying axis in lower section, described the first half boxes and Putting the oil described in being equipped with in the second half boxes sponge, described the first half boxes are set in the second half It is connected by grafting in box, and can be by between regulation the first half box and the second half boxes Spacing thus change the width of passage of putting the oil, between described the first half boxes and the second half boxes Being additionally provided with leak-proof arrangement, described leak-proof arrangement includes the leakproof seal circle taken the shape of the letter U.

Screw the most according to claim 2 is from being fed from oiling device, and its feature exists In, described sponge of putting the oil extends upwardly to be formed above conveying axis from conveying axis lateral part Conveying axis the extension put the oil in screw top can be lubricated.

At above-mentioned screw from being fed from oiling device, described material-removing structure includes out It is located at the opening on the first half boxes and the second half box outer ends, there is below opening step, Two openings piece together de-material mouth and at the first half boxes and the second half box relative movement time energy Enough change takes off material mouth size.

At above-mentioned screw from being fed from oiling device, it is characterised in that described smears The width of oil passage is slightly less than the width of transfer passage, described de-material mouth width more than or Width equal to transfer passage.

At above-mentioned screw from being fed from oiling device, described transfer passage outer end sets There is the blanking structure that screw can be made to depart from downwards transfer passage, and blanking structure is the most only Allowing a screw to pass through, described oil storage box outer end is close to blanking structure.

At above-mentioned screw from being fed from oiling device, described blanking structure includes setting Put two side channels upper and opposite inside two conveying axis outer ends, described side channel width Degree from top to bottom becomes larger, and described side channel upper end width is more than annular protrusion external diameter.

At above-mentioned screw from being fed from oiling device, the underface of the blanking structure stated It is provided with the feeder that screw can be delivered to after screw departs from transfer passage lower section one by one Structure.

At above-mentioned screw from being fed from oiling device, the first described governor motion bag Including vertically disposed first slide rail, the first described installing rack sidepiece offers can be with The first chute that one slide rail coordinates, the first described installing rack can be vertical along the first slide rail Lifting, and on the first installing rack, it is installed with at least one for positioning the first slide rail and first First bolt of installing rack；The second described governor motion includes vertically disposed Two slide rails, the second described installing rack sidepiece offer can with the second slide rail coordinate the Two chutes, the second described installing rack can be along the second slide rail vertical lift, and second It is installed with at least one on installing rack and determines for positioning the second of the second slide rail and the second installing rack Position bolt.

At above-mentioned screw from being fed from oiling device, it is provided with between two conveying axis Spacing can be adjusted thus adjust the transfer passage width adjusting structure of transfer passage width, And the first half box and the second half box and two conveying axis synchronizing movings, described transfer passages Width adjusting structure includes the width being separately positioned on the first installing rack and the second installing rack Regulation groove, described conveying axis end is respectively provided with stud, and described stud wears conveying Spiral shell on channel width regulation groove, and the stud outside transfer passage width adjusting groove Be connected to for fixing conveying axis width adjusting location nut, the first described installing rack and All it is arranged with on the stud of the second installing rack both sides and can work as the first installing rack and the second installation For filling the profile gasket in gap respectively when frame vertical height changes.

Compared with prior art, the advantage of this screw pay-off is: 1, design is closed Reason, automaticity is high, improves transfer efficiency, can certainly oil.2, compact conformation, It is convenient to install.3, controllability is good, can be suitably used for the product of different size, and regulates Convenient, save the acquisition cost of enterprise.

Accompanying drawing explanation

Fig. 1 is the structural representation of the supreme line of oils part that the present invention provides.

Fig. 2 is the plan structure schematic diagram of the supreme line of oils part that the present invention provides.

Fig. 3 is the side-looking structural representation that the present invention provides.

Fig. 4 is the structural representation that the present invention provides.

Fig. 5 is the structural representation of Fig. 4 midship section A-A.

Fig. 6 is the structural representation of Fig. 4 midship section B-B.

In figure, vibrating tray 1, conveying axis the 2, first installing rack the 3, second installing rack 4, Transfer passage 5, screw 6, annular protrusion the 61, first governor motion 31, second regulate Mechanism's the 41, first slide rail the 311, first chute the 312, first bolt 313, second Slide rail the 411, second chute the 412, second bolt 413, blanking structure 7, conveying Channel width adjustment structure 8, width adjusting groove 81, stud 82, width adjusting position Nut 83, profile gasket 84, side channel 71, side channel width adjusting structure 72, feeder Structure 9, vertical adjusting assembly 91, horizontal adjustment assembly 92, receiving hopper 93, quick feeding Pipe 94, slow feed pipe 95, flexible buffer body 96, buffer structure 961, adjustment seat 911, screw rod 912, adjustment seat nut the 913, first strip through hole 921, receiving hopper Bolt 922, baffle plate 721, baffle plate frame the 722, second strip through hole 723, baffle plate spiral shell Bolt the 724, the 3rd strip through hole 725, count detector 9a, first annular groove 931, First annular step the 941, second cannelure the 942, second ring-shaped step 951, upper line of oils Part 10, oil storage box 101, material-removing structure 102, sponge 103 of putting the oil, passage 104 of putting the oil, The first half box 101a, the second half box 101b, opening 102a, step 102b, de-material mouths 102c, extension 104, pole 105.

Detailed description of the invention

As shown in figures 1 to 6, this screw is from being fed from oiling device, including being arranged on vibration Charging tray 1 discharge end two be parallel to each other and with the conveying axis 2 of inclined bottom surface, conveying axis 2 One end is connected with vibrating tray 1 discharge end by the first installing rack 3, and the other end dips down Tiltedly stretch out and be connected with vibrating tray 1, two conveyings by the second installing rack 4 Forming the transfer passage 5 of inclination between axle 2, the minimum widith of transfer passage 5 is not more than It is arranged on annular protrusion 61 external diameter of screw 6 upper end, and screw 6 center of gravity is positioned at annular The lower end of protruding 61, is provided with on conveying axis 2 and can work as screw 6 at transfer passage 5 Upper mobile time can certainly affix the assembly 10 that oils of rust preventive lubricating oil, the assembly 10 that oils includes It is arranged on below transfer passage 5 and oil storage box 101 that upper end is uncovered, in oil storage box 101 Terminate nearly first installing rack 3, oil storage box 101 outer end offers screw 6 can be made to remove The material-removing structure 102 of oil storage box 101, in oil storage box 101, both sides are respectively provided with sponge of putting the oil 103, put the oil at two pieces and between sponge 103, form passage 104 of putting the oil, the first installing rack 3 By the first governor motion 31 of the first installing rack 3 height in vertical direction can be regulated Being connected with vibrating tray 1, the second installing rack 4 exists by regulating the second installing rack 4 In vertical direction, the second governor motion 41 of height is connected with vibrating tray 1.

Oil storage box 101 includes the first half box 101a and the second half box 101b, the first half boxes 101a is installed in below a wherein conveying axis 2 by some poles 105 of axial distribution Fixing, the second half box 101b are installed in another root conveying axis 2 and pass through axial distribution in lower section Some poles fix, be equipped with described in the first half box 101a and the second half box 101b Putting the oil sponge 103, the first half box 101a pass through grafting in being set in the second half box 101b It is connected, and can be by between regulation the first half box 101a and the second half box 101b Away from thus change the width of passage 104 of putting the oil, the first half box 101a and the second half box 101b Between be additionally provided with leak-proof arrangement, leak-proof arrangement includes the leakproof seal circle taken the shape of the letter U； Sponge 103 of putting the oil extends upwardly to be formed above conveying axis 2 energy from conveying axis 2 lateral part Enough lubricate conveying axis 2 extension 104 put the oil in screw 6 top.

Material-removing structure 102 includes being opened in outside the first half box 101a and the second half box 101b Opening 102a on end, has step 102b, two opening 102a below opening 102a Piece together de-material mouth 102c and in the first half box 101a and the second half box 101b relative movements Time can change de-material mouth 102c size；The width of passage 104 of putting the oil is slightly less than conveying The width of passage 5, de-material mouth 102c width is more than or equal to the width of transfer passage 5； Transfer passage 5 outer end is provided with the blanking knot that screw 6 can be made to depart from downwards transfer passage 5 Structure 7, and blanking structure 7 the most only allows a screw 6 to pass through, outside oil storage box 101 Terminate nearly blanking structure 7.

Blanking structure 7 includes arranging inside two conveying axis 2 outer ends upper and opposite Two side channels 71, side channel 71 width from top to bottom becomes larger, side channel 71 upper end width More than annular protrusion 61 external diameter；It is arranged over regulating two sides at two side channels 71 The side channel specification adjusting part 72 of blanking specification between groove 71, described side channel specification is adjusted Joint assembly 72 includes that being arranged on two side channels 71 is arranged over regulating two side channels 71 Between the baffle plate 721 of blanking specification, side channel specification adjusting part 72 includes L-shaped gear Plate 721, baffle plate 721 is arranged in adjustment seat 911 by baffle plate installing rack 722, gear Offer on plate 721 can controllable register 721 conveying axis 2 axially on position second Strip through hole 723, is equipped with for fixed dam 721 in the second strip through hole 723 With the baffle plate bolt 724 of baffle plate installing rack 722, baffle plate installing rack 722 offer perpendicular Straight the 3rd strip through hole 725 arranged, receiving hopper bolt 922 is located in the 3rd strip Shape through hole 725 is fixed on baffle plate installing rack 722.

Being arranged right below after screw 6 departs from transfer passage 5 of blanking structure 7 can be by spiral shell Nail 6 is delivered to the feed mechanism 9 of lower section one by one；Pay-off 9 includes being vertically arranged Receiving hopper 93 is positioned at below two side channels 71, the big one end of receiving hopper 93 internal diameter upward, Receiving hopper 93 lower end is connected with the quick feeding pipe 94 being vertically arranged, quick feeding pipe 94 Lower end connect have slow feed pipe 95, receiving hopper 93 diameter of bore is the most gradually Reducing, receiving hopper 93 endoporus lower end diameter is less than or equal in quick feeding pipe 94 upper end Bore dia；Quick feeding pipe 94 endoporus lower end diameter is less than or equal to slow feed pipe 95 Diameter of bore, has buffer structure 961 on slow feed pipe 95 endoporus.Buffer structure 961 include being arranged on slow feed pipe 95 endoporus some in semi-circular buffer body 96, slow feed pipe 95 is made up of hard prepared material, and buffer body 96 is fabricated from a flexible material； It is equipped with calculating on the sidewall of quick feeding pipe 94 and slow feed pipe 95 and monitoring is passed through Monitor 9a；Below the blanking structure 7 that receiving hopper 93 material receiving port is positioned at.

It is provided with between receiving hopper 93 and the second installing rack 4 and can regulate receiving hopper 93 vertically The vertical adjusting assembly 91 of height on direction, being provided with on vertical adjusting assembly 91 can The horizontal adjustment assembly 92 of regulation receiving hopper 93 horizontal radial position；Vertical adjusting assembly 91 include adjustment seat 911, be provided with bottom the second installing rack 4 at least one vertically disposed Screw rod 912, screw rod 912 is located in adjustment seat 911, in adjustment seat about 911 two End is respectively equipped with the adjustment seat nut 913 being screwed onto on screw rod 912, horizontal adjustment assembly 92 include two the first strip through holes 914 parallel to each other, at the first strip through hole The receiving hopper bolt for being fixed in adjustment seat 911 by receiving hopper 93 it is equipped with in 921 922；Receiving hopper 93 lower end offers first annular groove 931, at first annular groove 931 Having female thread on inwall, quick feeding pipe 94 upper end has first annular step 941, Having external screw thread on first annular step 941, first annular step 941 is arranged on interior One cannelure 931 is connected by helicitic texture, and quick feeding pipe 94 lower end offers second Cannelure 942, has female thread, slow feed pipe on the second cannelure 942 inwall 95 upper ends have the second ring-shaped step 951, and the second ring-shaped step 951 has external screw thread, Second ring-shaped step 951 is arranged on interior second cannelure 942 and is connected by helicitic texture.

First governor motion 31 includes vertically disposed first slide rail 311, the first installing rack 3 sidepieces offer the first chute 312 that can coordinate with the first slide rail 311, and first installs Frame 3 can along the first slide rail 311 vertical lift, and be installed with on the first installing rack 3 to Few one is used for location the first slide rail 311 and the first bolt of the first installing rack 3 313；Second governor motion 41 includes vertically disposed second slide rail 411, and second installs Frame 4 sidepiece offer can with second slide rail 411 coordinate the second chute 412, second Installing rack 4 along the second slide rail 411 vertical lift, and can be worn on the second installing rack 4 There is at least one for the second location spiral shell positioning the second slide rail 411 and the second installing rack 4 Bolt 413；It is provided with to adjust spacing thus adjust to carry between two conveying axis 2 and leads to The transfer passage width adjusting structure 8 of road 5 width, and the first half box 101a and the second half Box 101b and two conveying axis 2 synchronizing movings, transfer passage width adjusting structure 8 includes It is separately positioned on the width adjusting groove 81 on the first installing rack 3 and the second installing rack 4, Conveying axis 2 end is respectively provided with stud 82, and stud 82 wears transfer passage width adjusting and leads to It is bolted with use on groove 81, and the stud 82 outside transfer passage width adjusting groove 81 Width adjusting in fixing conveying axis 2 positions nut 83, the first installing rack 3 and the second peace Shelve all to be arranged with on the stud 82 of 4 both sides and can work as the first installing rack 3 and the second installation For filling the profile gasket 84 in gap respectively when frame 4 vertical height changes.It is

Specific embodiment described herein is only to present invention spirit theory for example Bright.Those skilled in the art can be to described specific embodiment Make various amendment or supplement or use similar mode to substitute, but without departing from The spirit of the present invention or surmount scope defined in appended claims.

Although the most more employ vibrating tray 1, conveying axis the 2, first installing rack 3, Second installing rack 4, transfer passage 5, screw 6, annular protrusion the 61, first governor motion 31, second governor motion the 41, first slide rail the 311, first chute 312, first positions Bolt the 313, second slide rail the 411, second chute the 412, second bolt 413, fall Material structure 7, transfer passage width adjusting structure 8, width adjusting groove 81, stud 82, Width adjusting location nut 83, profile gasket 84, side channel 71, side channel width adjusting knot Structure 72, feed mechanism 9, vertical adjusting assembly 91, horizontal adjustment assembly 92, receiving hopper 93, quick feeding pipe 94, slow feed pipe 95, flexible buffer body 96, buffer structure 961, adjustment seat 911, screw rod 912, adjustment seat nut the 913, first strip through hole 921, receiving hopper bolt 922, baffle plate 721, baffle plate frame the 722, second strip through hole 723, baffle plate bolt the 724, the 3rd strip through hole 725, count detector 9a, first Cannelure 931, first annular step the 941, second cannelure the 942, second ring-shaped step 951, oil assembly 10, oil storage box 101, material-removing structure 102, sponge 103 of putting the oil, Put the oil passage 104, the first half box 101a, the second half box 101b, opening 102a, steps The terms such as 102b, de-material mouth 102c, extension 104, pole 105, but be not precluded from Use the probability of other term.Use these terms to be only used to more easily to describe With explain the essence of the present invention, be construed as any additional restriction be all with Spirit of the present invention is contrary.

Claims

1. a screw is from being fed from oiling device, it is characterised in that includes being arranged on and shakes Dynamic charging tray (1) discharge end two be parallel to each other and with the conveying axis (2) of inclined bottom surface, institute Conveying axis (2) one end stated is by the first installing rack (3) and vibrating tray (1) discharging End is connected, and the other end is downward-sloping to stretch out and by the second installing rack (4) and vibration Charging tray (1) is connected, and forms the transfer passage (5) of inclination between two conveying axis (2), The minimum widith of described transfer passage (5) is no more than arranged on screw (6) upper end Annular protrusion (61) external diameter, and screw (6) center of gravity is positioned at annular protrusion (61) Lower end, is provided with on conveying axis (2) and can work as screw (6) on transfer passage (5) The assembly that oils (10) of rust preventive lubricating oil, the described assembly that oils can be certainly affixed time mobile (10) oil storage box (101) being arranged on below transfer passage (5) and upper end is uncovered is included, Described oil storage box (101) is inner close to the first installing rack (3), described oil storage box (101) The material-removing structure (102) that can make screw (6) removal oil storage box (101) is offered on outer end, Described oil storage box (101) interior both sides are respectively provided with sponge of putting the oil (103), put the oil at two pieces Passage (104) of putting the oil, described the first installing rack (3) is formed between sponge (103) By the first governor motion of the first installing rack (3) height in vertical direction can be regulated (31) being connected with vibrating tray (1), described the second installing rack (4) passes through can Regulate the second installing rack (4) in vertical direction height the second governor motion (41) with Vibrating tray (1) is connected.

Screw the most according to claim 1 is from being fed from oiling device, and its feature exists The first half boxes (101a) and the second half boxes (101b) are included in, described oil storage box (101), Described the first half boxes (101a) are installed in wherein conveying axis (2) lower section, described The second half boxes (101b) be installed in another root conveying axis (2) in lower section, described Put the oil described in being equipped with in half box (101a) and the second half boxes (101b) sponge (103), Described the first half boxes (101a) are set in the second half boxes (101b) by grafting phase Even, and can be by between regulation the first half box (101a) and the second half boxes (101b) Spacing thus change the width of passage (104) of putting the oil, described the first half boxes (101a) With the second half be additionally provided with leak-proof arrangement, described leak-proof arrangement between box (101b) Including the leakproof seal circle taken the shape of the letter U.

Screw the most according to claim 2 is from being fed from oiling device, and its feature exists In, described sponge of putting the oil (103) extends upwardly to defeated from conveying axis (2) lateral part Send axle (2) top to be formed to lubricate conveying axis (2) and be put the oil in screw (6) top Extension.

Screw the most according to claim 3 is from being fed from oiling device, and its feature exists Include being opened in the first half boxes (101a) and second in, described material-removing structure (102) Opening (102a) on half box (101b) outer end, has platform in opening (102a) lower section Rank (102b), two openings (102a) piece together de-material mouth (102c) and the first half Box (101a) and the second half box (101b) relative movement times can change de-material mouth (102c) Size.

Screw the most according to claim 4 is from being fed from oiling device, and its feature exists In, the width of described passage of putting the oil (104) is slightly less than the width of transfer passage (5), Described de-material mouth (102c) width is more than or equal to the width of transfer passage (5).

6. according to the screw described in claim 1 or 2 or 3 or 4 from being fed from the dress that oils Put, it is characterised in that described transfer passage (5) outer end is provided with and can make screw (6) Depart from downwards the blanking structure (7) of transfer passage (5), and blanking structure (7) is each Only allowing a screw (6) to pass through, described oil storage box (101) outer end is close to blanking Structure (7).

Screw the most according to claim 6 is from being fed from oiling device, and its feature exists In, described blanking structure (7) includes arranging inside two conveying axis (2) outer ends Two upper and opposite side channels (71), described side channel (71) width from top to bottom by Gradual change is big, and described side channel (71) upper end width is more than annular protrusion (61) external diameter.

Screw the most according to claim 6 is from being fed from oiling device, and its feature exists In, being arranged right below when screw (6) disengaging conveying is logical of described blanking structure (7) Screw (6) can be delivered to behind road (5) feed mechanism (9) of lower section one by one.

9. according to the screw described in claim 1 or 2 or 3 or 4 or 5 on being fed from Oil device, it is characterised in that described the first governor motion (31) includes being vertically arranged The first slide rail (311), described the first installing rack (3) sidepiece offers can be with The first chute (312) that one slide rail (311) coordinates, described the first installing rack (3) Along the first slide rail (311) vertical lift, and can be installed with on the first installing rack (3) At least one is determined for the first of location the first slide rail (311) and the first installing rack (3) Position bolt (313)；Described the second governor motion (41) includes vertically disposed second Slide rail (411), described the second installing rack (4) sidepiece offers can be with the second slide rail (411) the second chute (412) coordinated, described the second installing rack (4) can edge Second slide rail (411) vertical lift, and it is installed with at least one on the second installing rack (4) Root is for location the second slide rail (411) and the second bolt of the second installing rack (4) (413)。

10. according to the screw described in Claims 2 or 3 or 4 from being fed from oiling device, It is characterized in that, be provided with between two conveying axis (2) and spacing can be adjusted thus adjust The transfer passage width adjusting structure (8) of transfer passage (5) width, and the first half boxes (101a) He the second half box (101b) and two conveying axis (2) synchronizing movings, described Transfer passage width adjusting structure (8) include being separately positioned on the first installing rack (3) With the width adjusting groove (81) on the second installing rack (4), described conveying axis (2) End is respectively provided with stud (82), and described stud (82) wears transfer passage width adjusting Groove (81), and at the stud (82) in transfer passage width adjusting groove (81) outside On be bolted with for fixing conveying axis (2) width adjusting location nut (83), described The first installing rack (3) and the second installing rack (4) both sides stud (82) on all overlap It is provided with and can work as the first installing rack (3) and the second installing rack (4) vertical height becomes For filling the profile gasket (84) in gap respectively during change.