CN1803332A - Feeding mechanism adjusting device for forging part moulding machine - Google Patents

Feeding mechanism adjusting device for forging part moulding machine Download PDF

Info

Publication number
CN1803332A
CN1803332A CN 200510003906 CN200510003906A CN1803332A CN 1803332 A CN1803332 A CN 1803332A CN 200510003906 CN200510003906 CN 200510003906 CN 200510003906 A CN200510003906 A CN 200510003906A CN 1803332 A CN1803332 A CN 1803332A
Authority
CN
China
Prior art keywords
manual
adjusting device
screw rod
feed mechanism
connecting shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 200510003906
Other languages
Chinese (zh)
Inventor
张允得
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUGUANG ENTERPRISE Co Ltd
FWU Kuang Enterprises Co Ltd
Original Assignee
FUGUANG ENTERPRISE Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FUGUANG ENTERPRISE Co Ltd filed Critical FUGUANG ENTERPRISE Co Ltd
Priority to CN 200510003906 priority Critical patent/CN1803332A/en
Publication of CN1803332A publication Critical patent/CN1803332A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Transmission Devices (AREA)

Abstract

The invention discloses an adjustment device of forging part shaper feeding structure, which comprises the following parts: rack, height adjustment unit, regulation unit and gear group, wherein the height adjustment unit consists of adjustment screw rod and screw seat on the adjustment screw rod spirally to be erected by one of connection rods; the regulation unit is a light-weight hand designation, which contains hand connection shaft and hand screw cap; the gear group transmits the adjusted the rotary angle of hand connection shaft to the adjustment screw rod, which changes the screw seat and setting position of connection rod.

Description

The adjusting device of forging part moulding machine feed mechanism
[technical field]
The present invention relates to a kind of adjusting device, particularly relates to a kind of transmission wire rod that is used for and advances and can adjust the adjusting device that wire rod transmits the forging part moulding machine feed mechanism of length.
[background technology]
For example the forged part of nut, screw or the like during fabrication, usually need to cut, repeatedly forge through wire rod, and procedure of processings such as tapping or threading are finished, because forged part is directly to be forged by length of wire to form, therefore, the length of wire rod needs accurate control, and the needed wire rod length of each forged part is also different.In order to reach above purpose, forging part moulding machine about the design of feed mechanism 1 roughly as shown in Figure 1, 2 in the past, but transmission one wire rod 10 is advanced along a direction of advance in mode intermittently, this feed mechanism 1 is to be erected on the pedestal 11, comprise: a drive unit 12, a clamping and conveying device 13, and the adjusting device 2 that can adjust feed length.The front of the following stated pedestal 11 is meant the side that can see that wire rod 10 transmits, and back (as Fig. 1) is meant on the pedestal 11 and the opposite side of this previous space.
The drive unit 12 of forging part moulding machine comprised in the past: front and back to be erected on the pedestal 11 and the rear axle distal process for the line shaft 121 of the back of this pedestal 11, one is combined in the power wheel 122 on the line shaft 121 back axle heads linkedly, one and the driving shaft 123 of this line shaft 121 left and right sides parallel interval ground framves on pedestal 11, one is installed in the driving wheel 124 on the driving shaft 123 rotationally, one is co-axially mounted on and cranks arm 125 on the driving shaft 123, one is installed in this cranks arm on 125 and along with 125 latches 126 that rotate of cranking arm, an and first connecting rod 127, one second connecting rod 128, wherein, this latch 126 is one of them in the most ratchets that are inserted in driving wheel 124 surfaces, so that promoting driving wheel 124 when cranking arm 125 rotations rotates, and the left end of this first connecting rod 127 pivotally is attached at and cranks arm on 125, the right side has one and adjusts end 129, and these second connecting rod 128 left sides have a link 120, and the right side then is the eccentric position that is pivotably mounted on power wheel 122.
Clamping and conveying device 13 comprised four rotating shafts 131 that are installed at interval in the upper and lower in twos on the pedestal 11 in the past, the one preceding axle head 132 and a back axle head 133 of these rotating shafts 131 all protrude in pedestal 11, and this clamping and conveying device 13 also comprises on four back axle heads 133 that are installed in rotating shaft 131 linkedly and two drives that are meshed 134 up and down, and the drawing-inroller 135 on four preceding axle heads 132 that are installed in synchronously these rotating shafts 131 rotationally, each drawing-inroller 135 all has a guide channel 136 that supplies wire rod 10 to pass through, two drives 134 of bottom and and driving wheel 124 engagements.
Adjusting device 2 was the back of pivotally setting up pedestal 11 in the past, and was used for being connected the adjustment end 129 and the link 120 of these connecting rods 127,128.Above-mentioned adjusting device 2 comprises that but one borrows a locating shaft 21 to be erected at rocker 22 on the pedestal 11 in pivot pendulum mode, one borrows a plate 23 to be erected at the motor 24 of these rocker 22 tops, always to the adjustment screw rod 25 that is plugged on this rocker 22, the one limited ground screw lock that can only be shifted along the length direction of adjustment screw rod 25 is at the spiral shell seat of adjusting on the screw rod 25 26, one is erected at fulcrum 27 on the rocker 22 with the link 120 of second connecting rod 128 with rotary way, one with motor 24 transmission of power to the gear train of adjusting on the screw rod 25 28, and one be located on the rocker 22 and be parallel to the graduation apparatus 29 of adjusting screw rod 25, and the adjustment end 129 of this first connecting rod 127 is exactly to be assembled in rotationally on this spiral shell seat 26.
When power wheel 122 is driven in rotation, can the be pulled lower end of rocker 22 of this second connecting rod 128 is a spot wobble with locating shaft 21, because the adjustment end 129 of first connecting rod 127 also is mounted on the rocker 22, therefore, the active force that power wheel 122 rotates 125 beats of cranking arm that to be pulled, drive two groups of drive 134, rotating shaft 131 and drawing-inrollers 135 separately at last and rotate along direction initialization, move a segment distance with final drive wire rod 10, aforementioned displacement is relevant with latch 126 positions.When adjusting the displacement of wire rod 10, then be that CD-ROM drive motor 24 rotates, driving adjustment screw rod 25 by gear train 28 rotates, so limited can only be along adjusting the spiral shell seat 26 that screw rod 25 axis move, just 129 upper and lower displacements are held in the adjustment that can drive first connecting rod 127 together, and the distance of displacement then can be judged by the graduation apparatus 29 that is located on the rocker 22.
When moving on this adjustment end 129, with cranking arm of its binding 125 also can deflection, therefore and drive latch 126 and move toward Fig. 1 clockwise directions, so when cranking arm 125 when being activated rotation once again, the angle that this latch 126 can promote driving wheel 124 rotations will reduce, and reaches the purpose of adjusting wire rod 10 feed lengths whereby, identical reason, when adjusting the feed length that can increase wire rod 10 when end 129 moves down, below no longer explanation.
Though feed mechanism 1 can change the charging length of wire rod 10 by adjusting device 2 in the past, but in the process of running, except locating shaft 21, be erected at all the other elements of this adjusting device 2 on the rocker 22, the capital is subjected to being pulled of second connecting rod 128 and reciprocally deflects, because the motor 24 that is set up above rocker 22 has no small weight, therefore, run up and rocker 22 constantly back and forth under the situation of beats at drive unit 12, load when not only drive unit 12 turns round is big, and the element of position above rocker 24 also is easy to produce in use for some time loosening.And on the accuracy of adjusting, feed mechanism 1 used motor 24 to adjust and nil shows in the past, can only that is to say that this adjusted value is not correct length with the adjustment of the mode summary that aligns graduation apparatus 29, and was relatively poor on the accuracy of feeding.
[summary of the invention]
The purpose of this invention is to provide the load that a kind of high-speed motion can alleviate when running, and use day long afterwards element be difficult for producing loosening, and can show the adjusting device of the forging part moulding machine feed mechanism of correct feed length.
The adjusting device of a kind of forging part moulding machine feed mechanism of the present invention, described feed mechanism is installed on the pedestal, and can transmit a wire rod and intermittently move along a direction initialization, this feed mechanism comprises: one has a first connecting rod of adjusting end, and a second connecting rod with a link; And this adjusting device is to link this adjustment end and this link, this adjusting device comprises: one pivotally is erected at rocker, a Height Adjustment unit, the regulation and control unit on the pedestal, an and gear train, wherein, this Height Adjustment unit comprises: one can be erected at adjustment screw rod on the rocker rotationally along self axis, and one rotates along the spiral shell seat that the axis of this adjustments screw rod moves up and down and the adjustment end of confession first connecting rod sets up because of adjusting screw rod; It is characterized in that:
This regulation and control unit comprises: one can be erected at manual connecting shaft on the rocker rotationally along self axis, and one and the manual nut of this manual connecting shaft combination linkedly, and this gear train is to connect this manual connecting shaft and adjust screw rod, arrive the adjustment screw rod with transmission of power, change the assembled height of spiral shell seat manual connecting shaft.
Because the very light in weight of previous manual nut and manual connecting shaft, therefore, be subjected to the interlock of these connecting rods and when swinging, the load during its running reduces, so can avoid element to become flexible because of excessively rocking at operation process at adjusting device.
[description of drawings]
The present invention is described in detail below in conjunction with drawings and Examples:
Fig. 1 is an a kind of rearview of the feed mechanism of forging part moulding machine in the past;
Fig. 2 is not complete horizontal assembled sectional view of aforementioned feed mechanism;
Fig. 3 is the user mode reference diagram of a preferred embodiment of adjusting device of the present invention, and the corresponding relation that other devices are asked on the feeding clip mechanism of this adjusting device and forging part moulding machine is described;
Fig. 4 is an assembled sectional view of this preferred embodiment;
Fig. 5 is not complete vertical view of this preferred embodiment, shows the structure of a regulation and control unit of this adjusting device separately;
Fig. 6 is an assembled sectional view of being got along 6-6 line among Fig. 5; And
Fig. 7 is the user mode reference diagram of a similar Fig. 3, and the assembling position of a spiral shell seat of this adjusting device is different from Fig. 3 among the figure.
[specific embodiment]
Consult Fig. 3,4, general forging part moulding machine all comprises one and is used for transmitting the feed mechanism 3 that a wire rod 30 moves, this feed mechanism 3 generally comprises: one is erected at the drive unit 32 on the pedestal 31, an and clamping and conveying device 33 that is subjected to this drive unit 32 to drive and wire rod 30 is intermittently moved along a direction initialization, on drive unit 32, has a first connecting rod 321, an and second connecting rod 322, wherein the position of contiguous this second connecting rod 322 has an adjustment end 323 on the first connecting rod 321, and the position of contiguous this first connecting rod 321 has a link 324 on the second connecting rod 322.
One preferred embodiment of adjusting device 34 of the present invention is devices of feed mechanism 3, it is to be installed in swingably on the pedestal 31, and be used for linking the adjustment end 323 and the link 324 of these connecting rods 321,322, because drive unit 32 on the disclosed user mode reference diagram of present embodiment and clamping and conveying device 33 and Fig. 1,2 revealers are identical, the no longer necessary element of these devices 32,33 of repeat specification, and interelement start relation.In addition, with regard to utilization of the present invention field and adjusting device of the present invention 34 drive unit 32 and the clamping and conveying device 33 that cooperate, also can change over other different structures.That is to say that as long as this drive unit 32 has two connecting rods 321,322 that are installed on the adjusting device 34, and wherein a connecting rod 321 has an adjustment end, all can be used with adjusting device 34 of the present invention.
Adjusting device 34 of the present invention comprises: but one borrow a locating shaft 40 to be erected at rocker 4, a Height Adjustment unit 5, a regulation and control unit 6, a record cell 7 on the pedestal 31 and a gear train 8 in pivot pendulum mode.Rocker 4 of the present invention comprises: a contiguous top and the pivot hole 41, that supplies this locating shaft 40 to install are positioned at these 41 left sides, pivot hole and straight to the installing hole 42 that runs through, and a contiguous below and pass for a fulcrum 43 so that with the link 324 of second connecting rod 322 can the pivot mode to be combined in the fulcrum hole 44 on the rocker 4.Above-mentioned installing hole 42 have a section up go up 421, one of assembling sections below following assembling section 422, one diameter dwindle and the contiguous section of dwindling 423 of assembling section 421 on this, and the expanding reach 424 between 422 of this section of dwindling 423 and assembling sections down, the internal diameter of above-mentioned expanding reach 424 is greater than the section of dwindling 423, and the limit toward interior outstanding twice along installing hole 42 axis is changeed prominent bar 425 again on the inwall of expanding reach 424.
Height Adjustment of the present invention unit 5 comprises: one is erected at the adjustment screw rod 51 on the installing hole 42 of rocker 4 rotationally, above-mentioned adjustment screw rod 51 has the section of setting up 511 on, once the section of setting up 512, and one be situated between in these sections of setting up 511,512 and the surperficial thread segment 513 that is provided with screw thread, and this Height Adjustment unit 5 also comprises: two between the upper and lower every and will adjust these sections of setting up 511 of screw rod 51 respectively, 512 are erected at the axle bed 52 on the rocker 4 respectively, several are erected at axle bed 52 and the section of setting up 511,512 bearing 53, two groups of spiral shells out of the ordinary at interval in the upper and lower are contained in the section of setting up 511 of adjusting screw rod 51, nut block 54 on 512, and a spiral shell seat 55 that is arranged on the thread segment 513 of adjusting screw rod 51.Above-mentioned spiral shell seat 55 is subjected to limitting prominent the spacing of bar 425 of commentaries on classics to move up and down along this axis of adjusting screw rod 51, and the adjustment end 323 of described first connecting rod 321 is exactly to be erected at 551 of two axle heads being given prominence on this spiral shell seat 55, and can be along with these spiral shell seat 55 upper and lower displacements.
Consult Fig. 4,5,6, this regulation and control unit 6 is mounted on the rocker 4, and purpose is to adjust the height of spiral shell seat 55, finally to reach the purpose of adjusting wire rod 30 (as shown in Figure 3) feed length.Above-mentioned regulation and control unit 6 comprises: one borrows holder that four screws 61 are combined in rocker 4 tops regularly 62, with to adjust screw rod 51 parallel and be erected at the manual connecting shaft 63, several bearings that is erected at 63 of these holders 62 and manual connecting shafts 64, one and manual nut 65 that should manual connecting shaft 63 engagement ground interlocks of 4 of this holder 62 and rockers rotationally, and one is fixedly mounted in the holder 67 of holder 62 tops by means of a screw 66.Wherein, the latch 631 that has a ring and these manual nut 65 engagements on this manual connecting shaft 63, and one section fastening section 632 that protrudes in this manual nut 65 and reduced, lay a ring lug 651 at the outer surface of manual nut 65, allow manual connecting shaft 63 original places rotate with convenient this manual nut 65 that rotates, and this holder 67 has one and passes the fixed part 671 that is combined on the holder 62 for screw 66, an and reduced height and fasten the clamping parts 672 that section 632 is extended toward these from fixed part 671, above-mentioned clamping part 672 has circular this fastening section 632 fastening holes that stretch into 673 that also supply, one profile groove 674 that the edge toward clamping part 672 extends from this fastening hole 673, two folder wings 675 that form because of the cutting of profile groove 674, and one perpendicular to these profile groove 674 directions and run through the screw 676 of these folder wings 675.And this regulation and control unit 6 comprises that also one can separate the packing screw 68 of loose ground screw lock on screw 676, by the locking of this packing screw 68 or unscrew, can prevent that manual connecting shaft 63 is rotated or can rotates this manual connecting shaft 63.
Record cell 7 of the present invention comprises: one is fixed on the encoder 72 that the connecting plate 71, that also is close to the top on the rocker 4 is erected on this connecting plate 71 and has an axostylus axostyle 721, and one and the display 73 of these encoder 72 electric bindings, judge for convenience the situation of adjusting, this display 73 can be located on the pedestal 31 of contiguous rocker 4 (as shown in Figure 3).
Gear train 8 of the present invention comprises: one be assembled in linkedly adjust screw rod 51 on heighten the manual gear 82 that gear 81, is assembled on the manual connecting shaft 63 linkedly on the section of setting up 511, an and record gear 83 of assembling linkedly on the axostylus axostyle 721 of this encoder 72.Wherein this heightens 81 of gears 83 of manual gear 82 and record gears, and these gears 81,82,83 also are meshed.In the present embodiment, these gears the 81,82, the 83rd, with keyway and prominent key that cooperates and axostylus axostyle 721 bonds of adjusting screw rod 51, manual connecting shaft 63 and encoder 72, but the mode of its combination is not exceeded in the bond mode in design.
Consult Fig. 3,4,5, adjusting device 34 of the present invention is under normal operating condition, and the adjustment end 323 of this first connecting rod 321 is can the pivot mode being attached at spiral shell seat 55, and 324 of the links of second connecting rod 322 are that the axle 43 of asking for an advance on one's pay is combined on the rocker 4.Therefore, when the drive unit 32 of feed mechanism 3 is driven and first and second connecting rod 321,322 that is pulled when moving, can drives clamping and conveying device 33 and rotate with transmission wire rod 30 and intermittently move, because this partly makes flowing mode with the person was identical in the past, no longer explanation.
Consult Fig. 4,5,7, when adjusting the feed length of wire rod 30, at first loosen packing screw 68, make and to be loosened rotation by the manual connecting shaft 63 of the folder wing 675 packings originally, rotate this adjustment nut 65 then, just can drive the rotation of manual connecting shaft 63 original places, when manual connecting shaft 63 rotates, by the binding of gear train 8, can drive the axostylus axostyle 721 of adjusting screw rod 51 and encoder 72 and rotate together, and produce two actions.One of them action is to adjust screw rod 51 can drive spiral shell seat 55 and move up and down along the axis direction of this adjustment screw rod 51, change the height of the adjustment end 323 of first connecting rod 321 whereby, another action then is will adjust the rotational angle value record of screw rod 51 in encoder 72 via axostylus axostyle 721,73 inner formula computings convert correct feed length to through display, and be presented on this display 73 with numeral, with the correct feed length that makes things convenient for adjustment person's interpretation to adjust, because how encoder 72 changes rotational angle value that signal adjusts screw rod 51 with record is in the past technology, no longer explanation.After the feed length of adjusting is correct, screw tight this packing screw 68 again, just can avoid manual connecting shaft 63 and rotate once more with the gear train 8 of its cooperation.
By above explanation as can be known, the present invention general changes over manually operated mode by the electronic design of motor transmission originally, it not only in the adjusting device of forging part moulding machine feeding clip mechanism unprecedented innovation, previous designs can also lightweight manual connecting shaft 63 and is adjusted nut 65 and replace this motor, so, when adjusting device 34 is activated that device 32 drives and during reciprocally swinging, load when not only turning round is low, regulation and control unit 6 above also can avoiding being positioned at produces the swing of acceleration of gravity because weight is big, so this design of the present invention also has the part assembling firmly, advantage such as be difficult for rocking.In addition, the present invention can utilize record cell 7 that the feed length of wire rod 30 accurately is presented at the design of display 73 when manually adjusting, and also has and adjusts accurately, is easy to effect.

Claims (6)

1. the adjusting device of a forging part moulding machine feed mechanism, described feed mechanism is installed on the pedestal, and this feed mechanism comprises: one has a first connecting rod of adjusting end, and a second connecting rod with a link; And this adjusting device is to link this adjustment end and this link, this adjusting device comprises: one pivotally is erected at rocker, a Height Adjustment unit, the regulation and control unit on the pedestal, an and gear train, wherein, this Height Adjustment unit comprises: one can be erected at adjustment screw rod on the rocker rotationally along self axis, and one rotates along the spiral shell seat that the axis of this adjustments screw rod moves up and down and the adjustment end of confession first connecting rod sets up because of adjusting screw rod; It is characterized in that:
This regulation and control unit comprises: one can be erected at manual connecting shaft on the rocker rotationally along self axis, and one and the manual nut of this manual connecting shaft combination linkedly, and this gear train is to connect this manual connecting shaft and adjust screw rod, arrive the adjustment screw rod with transmission of power, change the assembled height of spiral shell seat manual connecting shaft.
2. the adjusting device of forging part moulding machine feed mechanism according to claim 1, it is characterized in that: this regulation and control unit also comprises: one is erected at holder on the rocker, borrows a screw to be assembled in holder on this holder, an and packing screw, above-mentioned holder has one and supplies one of this manual connecting shaft to fasten the profile groove that section fastening hole, that stretches into leads to fastening hole, and two corresponding clip wing, and this packing screw passes the aforementioned folder wing, but and packing and loosen these folder wings to clamp or to loosen the fastening section of manual connecting shaft.
3. the adjusting device of forging part moulding machine feed mechanism according to claim 1, it is characterized in that: this gear train comprises: one is combined in the manual gear on this manual connecting shaft linkedly, and one and this manual gear engagement and be assembled in the gear of adjusting on the screw rod of heightening linkedly.
4. the adjusting device of forging part moulding machine feed mechanism according to claim 1, it is characterized in that: this adjusting device also comprises: one is erected on the rocker and can writes down the record cell of adjusting screw rod rotational angle value.
5. as the adjusting device of forging part moulding machine feed mechanism as described in the claim 4, it is characterized in that: this record cell comprises: one has the encoder of an axostylus axostyle, and one and the display of the electric binding of this encoder, and this gear train comprises: one is combined in manual gear on this manual connecting shaft, one and this manual gear engagement and be assembled in the gear of adjusting on the screw rod of heightening linkedly linkedly, and one is installed in linkedly on the axostylus axostyle and and heightens the record gear of gears engaged.
6. as the adjusting device of forging part moulding machine feed mechanism as described in each in the claim 1 to 5, it is characterized in that: lay most lugs on the outer surface of this manual nut.
CN 200510003906 2005-01-10 2005-01-10 Feeding mechanism adjusting device for forging part moulding machine Pending CN1803332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200510003906 CN1803332A (en) 2005-01-10 2005-01-10 Feeding mechanism adjusting device for forging part moulding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200510003906 CN1803332A (en) 2005-01-10 2005-01-10 Feeding mechanism adjusting device for forging part moulding machine

Publications (1)

Publication Number Publication Date
CN1803332A true CN1803332A (en) 2006-07-19

Family

ID=36865552

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200510003906 Pending CN1803332A (en) 2005-01-10 2005-01-10 Feeding mechanism adjusting device for forging part moulding machine

Country Status (1)

Country Link
CN (1) CN1803332A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100464894C (en) * 2005-04-05 2009-03-04 运通工业股份有限公司 Feeder with adjustable feeding length for forged part forming machine
CN105689630A (en) * 2016-03-30 2016-06-22 浙江东雄重工有限公司 Feeding device of eight-station cold header
CN110315022A (en) * 2019-04-22 2019-10-11 安徽阳天机械工业有限公司 Numerical value shows automatic feeding

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100464894C (en) * 2005-04-05 2009-03-04 运通工业股份有限公司 Feeder with adjustable feeding length for forged part forming machine
CN105689630A (en) * 2016-03-30 2016-06-22 浙江东雄重工有限公司 Feeding device of eight-station cold header
CN105689630B (en) * 2016-03-30 2018-06-15 浙江东雄重工有限公司 The feed arrangement of eight station cold headers
CN110315022A (en) * 2019-04-22 2019-10-11 安徽阳天机械工业有限公司 Numerical value shows automatic feeding

Similar Documents

Publication Publication Date Title
CN200963714Y (en) Reciprocating saw with wobbly saw bit
CN101277862A (en) A steering column assembly
CN203214362U (en) Electric fan with adjustable pitch angle
CN1803332A (en) Feeding mechanism adjusting device for forging part moulding machine
CN207933639U (en) A kind of presser foot interactive quantity regulating mechanism of sewing machine
JP3685879B2 (en) Machine tool with pivotable spindle head
CN106012280B (en) Linking machines transmission system
CN215209917U (en) Cloth feeding adjusting mechanism of sewing machine
CN213626814U (en) Template supporting mechanism for civil engineering floor
US6779807B2 (en) Human powered vehicle and propelling mechanism thereof
CN2313699Y (en) Multifunctional oscillator of welder
CN210529230U (en) Presser foot height adjustable mechanism of embroidery machine
JP5654746B2 (en) Press machine
CN2866549Y (en) Servo driving mechanism for sewing machine
CN1305061A (en) Composite oscillating mechanism for electric fan
CN2873832Y (en) Reversible sewing mechanism of sewing machine
CN1439760A (en) Lower shaft driving mechanism of sewing machine
CN200970658Y (en) Turnover device for sector gear shaper
CN101314206B (en) Gripper mechanism for spray pump locking notch machine
CN2771250Y (en) Spindle wheel automatic independent mechanism for computerized embroidery machine
CN202786725U (en) Hand wheel of sewing machine
CN211057144U (en) Adjustable supporting plate structure
CN221240864U (en) Mower
CN2484848Y (en) Chair with adjustable shade
CN102733115A (en) Hand wheel of sewing machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication