CN105014394A - Groove wheel turnover device with auxiliary positioning function - Google Patents

Groove wheel turnover device with auxiliary positioning function Download PDF

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Publication number
CN105014394A
CN105014394A CN201510357684.5A CN201510357684A CN105014394A CN 105014394 A CN105014394 A CN 105014394A CN 201510357684 A CN201510357684 A CN 201510357684A CN 105014394 A CN105014394 A CN 105014394A
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CN
China
Prior art keywords
driver plate
cylindrical cam
locating hole
alignment pin
wheel
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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.)
Granted
Application number
CN201510357684.5A
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Chinese (zh)
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CN105014394B (en
Inventor
陶建华
张剑辉
关焯辉
刘晓初
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Guangzhou University
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Guangzhou University
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Publication date
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Priority to CN201510357684.5A priority Critical patent/CN105014394B/en
Publication of CN105014394A publication Critical patent/CN105014394A/en
Application granted granted Critical
Publication of CN105014394B publication Critical patent/CN105014394B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
    • B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention relates to a groove wheel turnover device with an auxiliary positioning function. The groove wheel turnover device comprises a box body, a transmission mechanism driving a workpiece to turn over and an auxiliary positioning mechanism; the transmission mechanism is an external gearing groove wheel mechanism, and the mechanism comprises an outer groove wheel with four pull grooves and a pull disk with two pull pins; and the auxiliary positioning mechanism is a direct driving push rod cylindrical cam mechanism, the cam mechanism comprises a cylindrical cam and a driven body, the cylindrical cam and the pull disk are arranged coaxially, the peripheral face of the cylindrical cam is provided with a curved concave groove, the driven body is driven by the cylindrical cam to conduct reciprocating motion in the axial direction of the cylindrical cam, the driven body can be driven to conduct auxiliary positioning of the groove wheel at a suitable position by the synchronous rotation of the cylindrical cam and the pull disk rotate, and the groove wheel turnover device has the beneficial effects that the positioning precision is high, and the positioning is reliable.

Description

A kind of sheave turning device with auxiliary positioning
Technical field
The present invention relates to the workpiece manipulation device that lathe is relevant, workpiece can be carried out 180 ° of upsets by this device, so that the station required for obtaining.
Background technology
In industrial processes, often need workpiece to be carried out 180 ° of upsets to obtain better processing stations.There are rack and pinion drive mechanism, Worm and worm-wheel gearing and gear drive etc. in the mechanism that can realize this rotary movement.Turbine and worm transmission mechanism and gear drive often need to coordinate high-precision servomotor to control flip angle, and cost is higher; Pinion and rack often needs to coordinate linear oil cylinder to control flip angle, impact comparatively large, and positioning precision is not enough.
Authorization Notice No. is that the utility application of CN201342591Y discloses " a kind of grooved pulley overturning mechanism ", and this mechanism utilizes the concavo-convex Locking arc on sheave and driver plate to position sheave, has flip angle not by the advantage that motor angular error affects.But, be subject to the impact of processing and assembly precision, will inevitably certain interval be there is between the concavo-convex Locking arc of above-mentioned grooved pulley overturning mechanism, when overturning workpiece quality and be comparatively large or/and above-mentioned utility model scheme also exists the shortcoming of positioning precision deficiency when cutting force is larger, have a strong impact on the reliability of location.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of sheave turning device with auxiliary positioning, this device not only positioning precision is high, and reliably.
The technical scheme that the present invention solves the problems of the technologies described above is:
A kind of sheave turning device with auxiliary positioning, this sheave turning device comprises the Sheave Device with the External Gear in casing and casing, described Geneva mechanism comprises by the driver plate with two fingers of the first cardan-shaft suspension on casing and the outer groove-wheel with four allocating slots be bearing in by second driving shaft on casing, it is characterized in that
Described outer groove-wheel is provided with locating hole;
Also auxiliary positioner is provided with in described casing, this auxiliary positioner is straight push cylindrical cam mechanism, and it comprises the driven member of cylindrical cam and linear reciprocating motion, wherein, described cylindrical cam is located on the first power transmission shaft, and its face of cylinder is provided with closed curved slot; On described driven member, on described outer groove-wheel, the correspondence position of set locating hole is provided with alignment pin, and middle part is located on second driving shaft, and downside is provided with the roller put on described cylindrical cam in set curved slot; Be provided with a fairlead be fixed on casing between the middle part of described driven member and second driving shaft, between this fairlead and driven member, be provided with feather key; The length of described alignment pin is greater than the minimum distance between driven member and outer groove-wheel, and mutually mates with locating hole set on outer groove-wheel;
Described two fingers are symmetrical in the convex Locking arc mid point of driver plate and the line of driver plate center of rotation, and when the line coincident in the mid point of the convex Locking arc of driver plate and the line of driver plate center of rotation and the first power transmission shaft axle center and second driving shaft axle center, described alignment pin inserts locating hole completely;
The center of center line (i.e. the pitch curve of described cylindrical cam) described roller when described alignment pin inserts locating hole completely of described curved slot is launched, the process changeover portion of locating hole is exited by alignment pin, the active section parallel with cam face and alignment pin enter the backhaul changeover portion composition of locating hole, and, the starting point of described process changeover portion to described active section distance is greater than length and the difference of minimum distance between driven member and outer groove-wheel of described alignment pin, described process changeover portion and backhaul changeover portion are distributed in radian and are not more than 45 ° on the face of cylinder of cam being not more than 90 °.
Sheave turning device of the present invention, wherein, described driver plate has the convex Locking arc that two sections are symmetrical in driver plate diameter, and the angle of described two fingers and driver plate center of rotation line is 180 °; Or described driver plate has one section of convex Locking arc, the angle of described two fingers and driver plate center of rotation line is 90 °.In above-mentioned two schemes, the latter is better than the former.Because the curve progression changeover portion of the curved slot of the latter and backhaul changeover portion are distributed in radian and are not more than on the face of cylinder of the cam of 90 °, thus make described process changeover portion and backhaul changeover portion curve more mild, reduce the pressure angle of driven member.
Due to described finger stir described sheave time, finger slides always in allocating slot, and this makes described finger and allocating slot very easily wear and tear, and for solving the problems of the technologies described above, an improvement project of the present invention is that described finger is the rolling bearing that inner ring is fixed on driver plate.
The present invention utilizes straight push cylindrical cam mechanism to coordinate with the ingenious of Geneva mechanism, table lock is fixed on two stations of 0 ° and 180 °, and not only location is reliable, and precision is not by the impact of the External Force Acting such as workpiece quality and cutting force.
Accompanying drawing explanation
Fig. 1 ~ 3 are the structural representation of a specific embodiment of the present invention, and wherein, Fig. 1 is front view, and Fig. 2 is the A-A sectional view in Fig. 1, and Fig. 3 is the B-B sectional view in Fig. 1.
Fig. 4 is the perspective view of Fig. 1 ~ 3 illustrated embodiment.
Fig. 5 is the matching relationship schematic diagram of Geneva mechanism, cam mechanism and fairlead in the illustrated embodiment of Fig. 1 ~ 3.
Fig. 6 is the perspective view of driver plate in the illustrated embodiment of Fig. 1 ~ 3.
Fig. 7 is the perspective view of driven member in the illustrated embodiment of Fig. 1 ~ 3.
Fig. 8 is the curve map of Geneva mechanism and cam mechanism movement relation in the illustrated embodiment of Fig. 1 ~ 3; In figure, curve a is the pitch curve of cylindrical cam, and curve b is corner and the finger position relationship curve of cylindrical cam.
Fig. 9 ~ 10 are the structural representation of another specific embodiment of the present invention, and wherein, Fig. 9 is front view, and Figure 10 is the C-C sectional view in Fig. 9.
Figure 11 is the perspective view of driver plate in the illustrated embodiment of Fig. 9 ~ 10.
Figure 12 is the curve map of Geneva mechanism and cam mechanism movement relation in the illustrated embodiment of Fig. 9 ~ 10; In figure, curve c is the pitch curve of cylindrical cam groove, and curve d is corner and the finger position relationship curve of cylindrical cam.
The perspective view of a detailed description of the invention of workbench turnover grinder of Figure 13 for utilizing the turning device of sheave shown in Fig. 1 ~ 3 and designing.
Figure 14 is for overturning the perspective view of workbench in grinder shown in Figure 13.
Detailed description of the invention
Example 1
See Fig. 1 ~ 4, the sheave turning device in this example comprises casing 1, the transmission mechanism driving workpiece turning and auxiliary positioner;
Described casing 1 is provided with the supporting seat 1-1 of support first power transmission shaft 2 and second driving shaft 3, the axis being parallel of described first power transmission shaft 2 and second driving shaft 3;
Described transmission mechanism is the Geneva mechanism (see Fig. 2) of external toothing, this Geneva mechanism comprises and is fixed on outer groove-wheel coaxial with second driving shaft 3 on second driving shaft 34 and is fixed on driver plate 5 coaxial with the first power transmission shaft 2 on the first power transmission shaft 2, described sheave has four around the equally distributed allocating slot 4-1 of its axis, be provided with recessed Locking arc 4-2 between any two allocating slot 4-1, the end face of described outer groove-wheel 4 is provided with two locating hole 4-3;
See Fig. 2 and 6, described driver plate 5 is provided with the convex Locking arc 5-2 that two sections are symmetrical in its diameter, the bilateral symmetry of the mid point line of these two sections convex Locking arc 5-2 is provided with two finger 5-1 mated with described allocating slot 4-1, and the angle of two finger 5-1 and driver plate 5 center of rotation line is 180 °.
See Fig. 1,3 and 7, described auxiliary positioner is straight push cylindrical cam mechanism, and this cam mechanism comprises and is fixed on outer peripheral face coaxial with the first power transmission shaft 2 on the first power transmission shaft 2 and is provided with the cylindrical cam 6 of closed curved slot 6-1 and driven the driven member 7 that can move back and forth along cylindrical cam 6 axis direction by cylindrical cam 6; The correspondence position of this driven member 7 set locating hole 4-3 on described outer groove-wheel 4 is provided with the alignment pin 7-1 mated with described locating hole 4-3, middle part is provided with the pilot hole 7-2 of band keyway, and downside is provided with the roller 7-3 put on described cylindrical cam 6 in set curved slot 6-1; Described pilot hole 7-2 is set in one and is enclosed within second driving shaft 3 and is fixed on casing 1 with on the fairlead 8 of cylindrical cam 6 axis being parallel; Feather key 9 is provided with between described pilot hole 7-2 and described fairlead 8.
See Fig. 8, described roller 7-3 moves at curved slot 6-1, the track that its center describes, the i.e. pitch curve a of cylindrical cam 6, the center of this pitch curve a described roller 7-3 when described alignment pin 7-1 inserts locating hole 4-3 is completely launched, and exits the backhaul changeover portion (abscissa 315 ° ~ 360 °) that the process changeover portion (abscissa 0 ° ~ 45 °) of locating hole 4-3, the active section parallel with cylindrical cam 6 end face (abscissa 45 ° ~ 315 °) and alignment pin 7-1 enter locating hole 4-3 form by alignment pin 7-1; The starting point of described process changeover portion to described active section distance is greater than degree of depth when described alignment pin 7-1 inserts locating hole 4-3 completely.Curve b in diagram coordinate system represents the relative position of shown finger 5-1 and described allocating slot 4-1 and the relation of the first power transmission shaft 2 rotational angle, wherein, abscissa represents that the angle that driving shaft 2 rotates, ordinate represent that described finger 5-1 enters the degree of depth of described allocating slot 4-1.
Contrast two curves, first power transmission shaft 2 goes in the process of 45 ° from 0 °, and described finger 5-1 does not enter described allocating slot 4-1, i.e. described outer groove-wheel 4 transfixion, described driven member 7 moves to highest distance position from original position, thus described alignment pin 7-1 is exited described locating hole 4-3 completely; First power transmission shaft 2 goes in the process of 315 ° from 45 °, and described driven member 7 is still in highest distance position all the time, and described finger 5-1 enters allocating slot 4-1 for twice, and namely described outer groove-wheel 4 rotates 180 ° and realizes once inside out; First power transmission shaft 2 goes to 360 ° from 315 °, described finger 5-1 does not enter described allocating slot 4-1, i.e. described outer groove-wheel 4 transfixion, described driven member 7 moves to original position from highest distance position, thus described alignment pin 7-1 is inserted described locating hole 4-3 completely, realize the auxiliary positioning to described sheave turning device.
Example 2
See Fig. 9 ~ 11, described driver plate has one section of convex Locking arc 5-2 and two finger 5-1, and described two finger 5-1 are the rolling bearing that inner ring is fixed on driver plate 5, and the angle of this two fingers 5-1 and driver plate 5 center of rotation line is 90 degree;
See Figure 12, described roller 7-3 moves at curved slot 6-1, the track that its center describes, the i.e. pitch curve c of cylindrical cam 6, the center of this pitch curve c described roller 7-3 when described alignment pin 7-1 inserts locating hole 4-3 is completely launched, and exits the backhaul changeover portion (abscissa 270 ° ~ 360 °) that the process changeover portion (abscissa 0 ° ~ 90 °) of locating hole 4-3, the active section parallel with cylindrical cam 6 end face (abscissa 90 ° ~ 270 °) and alignment pin 7-1 enter locating hole 4-3 form by alignment pin 7-1; The starting point of described process changeover portion to described active section distance is greater than degree of depth when described alignment pin 7-1 inserts locating hole 4-3 completely.Curve d in diagram coordinate system represents the relative position of shown finger 5-1 and described allocating slot 4-1 and the relation of the first power transmission shaft 2 rotational angle, wherein, abscissa represents that the angle that driving shaft 2 rotates, ordinate represent that described finger 5-1 enters the degree of depth of described allocating slot 4-1.
Contrast two curves, first power transmission shaft 2 goes in the process of 90 ° from 0 °, and described finger 5-1 does not enter described allocating slot 4-1, i.e. described outer groove-wheel 4 transfixion, described driven member 7 moves to highest distance position from original position, thus described alignment pin 7-1 is exited described locating hole 4-3 completely; First power transmission shaft 2 goes in the process of 270 ° from 90 °, and described driven member 7 is still in highest distance position all the time, and described finger 5-1 enters allocating slot 4-1 for twice, and namely described outer groove-wheel 4 rotates 180 ° and realizes once inside out; First power transmission shaft 2 goes to 360 ° from 270 °, described finger 5-1 does not enter described allocating slot 4-1, i.e. described outer groove-wheel 4 transfixion, described driven member 7 moves to original position from highest distance position, thus described alignment pin 7-1 is inserted described locating hole 4-3 completely, realize the auxiliary positioning to described sheave turning device.
Sheave turning device embodiment other than the above described in this example is same as Example 1.
Example 3
The grinder that this example can spin upside down for a kind of workbench utilizing sheave turning device of the present invention to design.
See Figure 13 and 14, the grinder in this example utilizes venturi-type eductors 10 aspirated and be injected into surface of the work by the lapping liquid being mixed with steel ball deposited in agitator 12, carries out attrition process to surface of the work.In order to avoid lapping liquid alluvial and hinder processing further in workpiece concave surface upwards, grinder in this example has a upset workbench, this upset workbench comprises the sheave turning device of the band auxiliary positioning shown in an example 1, the casing 1 of described sheave turning device is fixed on the side of the frame 14 of grinder, one end of its second driving shaft 3 reaches directly over the recovery funnel 15 that is positioned at inside frame 14, and this axle head reached inside frame 14 is provided with T-slot workbench 11; One end of described first power transmission shaft 2 is connected with a stepper motor 13.
When the surface of the work running into required processing has concave surface, deposit at this concave surface for avoiding lapping liquid, stepper motor 13 can be controlled and rotate 360 °, thus drive workbench 11 to overturn 180 °, make the concave surface of workpiece down, after lapping liquid is sprayed onto surface of the work, meeting nature falls into the recovery funnel 15 of below like this, can not form alluvial and hindering processing.

Claims (4)

1. the sheave turning device with auxiliary positioning, this sheave turning device comprises the Sheave Device with the External Gear in casing and casing, described Geneva mechanism comprises by the driver plate with two fingers of the first cardan-shaft suspension on casing and the outer groove-wheel with four allocating slots be bearing in by second driving shaft on casing, it is characterized in that
Described outer groove-wheel is provided with locating hole;
Also auxiliary positioner is provided with in described casing, this auxiliary positioner is straight push cylindrical cam mechanism, and it comprises the driven member of cylindrical cam and linear reciprocating motion, wherein, described cylindrical cam is located on the first power transmission shaft, and its face of cylinder is provided with closed curved slot; On described driven member, on described outer groove-wheel, the correspondence position of set locating hole is provided with alignment pin, and middle part is located on second driving shaft, and downside is provided with the roller put on described cylindrical cam in set curved slot; Be provided with a fairlead be fixed on casing between the middle part of described driven member and second driving shaft, between this fairlead and driven member, be provided with feather key; The length of described alignment pin is greater than the minimum distance between driven member and outer groove-wheel, and mutually mates with locating hole set on outer groove-wheel;
Described two fingers are symmetrical in the convex Locking arc mid point of driver plate and the line of driver plate center of rotation, and when the line coincident in the mid point of the convex Locking arc of driver plate and the line of driver plate center of rotation and the first power transmission shaft axle center and second driving shaft axle center, described alignment pin inserts locating hole completely;
The center of center line described roller when described alignment pin inserts locating hole completely of described curved slot is launched, exit by alignment pin the backhaul changeover portion that the process changeover portion of locating hole, the active section parallel with cam face and alignment pin enter locating hole to form, and, the starting point of described process changeover portion to described active section distance is greater than length and the difference of minimum distance between driven member and outer groove-wheel of described alignment pin, and described process changeover portion and backhaul changeover portion are distributed in radian and are not more than 45 ° on the face of cylinder of cam being not more than 90 °.
2. a kind of sheave turning device with auxiliary positioning according to claim 1, is characterized in that, described driver plate has the convex Locking arc that two sections are symmetrical in driver plate diameter, and the angle of described two fingers and driver plate center of rotation line is 180 °.
3. a kind of sheave turning device with auxiliary positioning according to claim 1, it is characterized in that, described driver plate has one section of convex Locking arc, the angle being 90 ° of two described fingers and driver plate center of rotation line.
4., according to a kind of sheave turning device with auxiliary positioning one of claims 1 to 3 Suo Shu, it is characterized in that, described finger is the rolling bearing that inner ring is fixed on driver plate.
CN201510357684.5A 2015-06-24 2015-06-24 Groove wheel turnover device with auxiliary positioning function Expired - Fee Related CN105014394B (en)

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CN105014394B CN105014394B (en) 2017-04-19

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106763606A (en) * 2016-12-06 2017-05-31 昆明理工大学 It is a kind of with multiple it is dynamic stop than outside geneva mechanism and its application method
CN106829345A (en) * 2016-12-29 2017-06-13 苏州市职业大学 A kind of circular conveyer
CN107006867A (en) * 2017-03-23 2017-08-04 陕西理工大学 A kind of Corers for Chinese date and its operating method
CN108500784A (en) * 2018-05-15 2018-09-07 繁昌县通民机械制造有限公司 A kind of machine-building sanding and polishing device
CN109834423A (en) * 2019-04-03 2019-06-04 东北大学 A kind of H profile steel welding clamping device
CN111113231A (en) * 2019-12-27 2020-05-08 安徽熠启科技有限公司 A rust cleaning device for square barrel outer wall
CN111129971A (en) * 2019-12-29 2020-05-08 山东理工大学 Lifting adjusting device and power distribution cabinet
CN111922745A (en) * 2020-06-10 2020-11-13 宁波职业技术学院 Bar overturning assembly
CN112389984A (en) * 2020-10-31 2021-02-23 安徽芜湖宝丰输送机械有限公司 Device with overturning function for conveying adsorption plates
CN112738372A (en) * 2020-12-24 2021-04-30 深圳市康冠科技股份有限公司 Camera device and display equipment
CN113148285A (en) * 2021-05-20 2021-07-23 张振霞 Bagged food packaging and filling machine device and using method thereof
CN113199801A (en) * 2021-05-06 2021-08-03 浙江瑞大机械有限公司 High-speed horizontal paper cup machine
CN114284098A (en) * 2022-01-14 2022-04-05 山东泰开高压开关有限公司 Three-station isolation grounding switch based on single-crank double-slider and drive plate mechanism
CN116141005A (en) * 2023-04-17 2023-05-23 合肥其羽技术开发有限公司 Numerical control machining center for belt pulley

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EP1201353A2 (en) * 2000-10-25 2002-05-02 Sankyo Manufacturing Company, Ltd. Rotating table apparatus
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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106763606A (en) * 2016-12-06 2017-05-31 昆明理工大学 It is a kind of with multiple it is dynamic stop than outside geneva mechanism and its application method
CN106763606B (en) * 2016-12-06 2023-09-26 昆明理工大学 Outer sheave mechanism with multiple stop-and-go ratios and use method thereof
CN106829345A (en) * 2016-12-29 2017-06-13 苏州市职业大学 A kind of circular conveyer
CN107006867A (en) * 2017-03-23 2017-08-04 陕西理工大学 A kind of Corers for Chinese date and its operating method
CN108500784A (en) * 2018-05-15 2018-09-07 繁昌县通民机械制造有限公司 A kind of machine-building sanding and polishing device
CN109834423A (en) * 2019-04-03 2019-06-04 东北大学 A kind of H profile steel welding clamping device
CN111113231A (en) * 2019-12-27 2020-05-08 安徽熠启科技有限公司 A rust cleaning device for square barrel outer wall
CN111129971B (en) * 2019-12-29 2021-07-16 山东理工大学 Lifting adjusting device and power distribution cabinet
CN111129971A (en) * 2019-12-29 2020-05-08 山东理工大学 Lifting adjusting device and power distribution cabinet
CN111922745A (en) * 2020-06-10 2020-11-13 宁波职业技术学院 Bar overturning assembly
CN112389984A (en) * 2020-10-31 2021-02-23 安徽芜湖宝丰输送机械有限公司 Device with overturning function for conveying adsorption plates
CN112738372A (en) * 2020-12-24 2021-04-30 深圳市康冠科技股份有限公司 Camera device and display equipment
CN113199801A (en) * 2021-05-06 2021-08-03 浙江瑞大机械有限公司 High-speed horizontal paper cup machine
CN113148285A (en) * 2021-05-20 2021-07-23 张振霞 Bagged food packaging and filling machine device and using method thereof
CN114284098A (en) * 2022-01-14 2022-04-05 山东泰开高压开关有限公司 Three-station isolation grounding switch based on single-crank double-slider and drive plate mechanism
CN116141005A (en) * 2023-04-17 2023-05-23 合肥其羽技术开发有限公司 Numerical control machining center for belt pulley
CN116141005B (en) * 2023-04-17 2023-08-18 池州中科裕华汽车科技有限公司 Numerical control machining center for belt pulley

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