CN111660106A - Polishing and deburring device for metal gasket - Google Patents

Polishing and deburring device for metal gasket Download PDF

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Publication number
CN111660106A
CN111660106A CN202010360928.6A CN202010360928A CN111660106A CN 111660106 A CN111660106 A CN 111660106A CN 202010360928 A CN202010360928 A CN 202010360928A CN 111660106 A CN111660106 A CN 111660106A
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CN
China
Prior art keywords
honing
raw material
roller
auxiliary
seat
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CN202010360928.6A
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Chinese (zh)
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CN111660106B (en
Inventor
叶奇为
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Cixi Aiflon Sealing Materials Co ltd
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Cixi Aiflon Sealing Materials Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
    • 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
    • B24B47/28—Equipment for preventing backlash
    • 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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses a metal gasket polishing and deburring device which comprises a box body, wherein a compensation deburring mechanism is arranged on the box body; the compensation deburring mechanism comprises an auxiliary honing grinding roller, an active honing seat, a spring, a cylindrical guide post and a guide sleeve; a gap for raw material honing is formed between the auxiliary honing roller and the active honing seat, a cylindrical guide pillar is connected between the active honing seat and the guide sleeve, a spring is sleeved outside the cylindrical guide pillar for connection, and honing oilstones are fixedly mounted on the auxiliary honing roller and the active honing seat. The compensation deburring mechanism is adopted to perform deburring and polishing on the raw material, and along with consumption of the honing oilstone, the spring in a compressed state originally can drive the active honing seat to move towards the auxiliary honing roller, so that contact between the honing oilstone and the raw material is recovered, and the feasibility of the raw material during deburring and polishing is ensured. Namely, the deburring and polishing of the raw materials are completed in the feeding process, and the sealing performance of the finished product is greatly improved.

Description

Polishing and deburring device for metal gasket
Technical Field
The invention relates to the technical field of tool machining equipment, in particular to a metal gasket polishing and deburring device.
Background
The metal gasket is a gasket which is widely applied at present and has the best rebound resilience in a semi-metal sealing gasket, is formed by alternately winding a V-shaped or W-shaped thin steel strip and various fillers, can resist high temperature and high pressure and is suitable for being used under the conditions of ultralow temperature or vacuum, can solve the problem of chemical corrosion of various media to the gasket by changing the material combination of the gasket, can be manufactured according to different locking force requirements in structural density, and can be formed by alternately winding the V-shaped or W-shaped thin steel strip and various fillers for strengthening a main body and accurately positioning. And the metal gasket can produce tiny gaps in the winding process due to the burrs at the edges of the metal raw materials and the uneven surface, so that the sealing property of the metal gasket is influenced. The existing polishing deburring method mainly collects produced products, and manually polishes or mechanically polishes the products, so that manpower and working hours are wasted, and meanwhile, the significance of finished product polishing deburring on the sealing performance of the products is not great.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a metal gasket polishing and deburring device, a raw material traction mechanism intermittently pulls raw materials, a compensation deburring mechanism removes burrs of the raw materials in the original traction process, and a cutting mechanism cuts the raw materials during the pause period of the raw material traction mechanism; the material receiving roller is used for rolling, rolling and cutting the raw materials, the electric welding machine is used for spot welding the raw materials on the material receiving roller, and the ejection sleeve is used for ejecting the wound gaskets on the material receiving roller after spot welding, so that the wound gaskets are fed one by one, and burrs of the raw materials are removed in the feeding process.
In order to solve the technical problem, the invention is solved by the following technical scheme: a metal gasket polishing and deburring device comprises a box body, wherein a raw material supporting seat is arranged on the box body, and the metal gasket polishing and deburring device further comprises a raw material traction mechanism, a raw material cutting mechanism, a compensation deburring mechanism, a material receiving roller and an electric welding machine; the raw material traction mechanism comprises a driving roller, an auxiliary roller and a driving incomplete gear, the driving roller is coaxially connected with a driven gear, and the driving incomplete gear is intermittently meshed with the driven gear; the raw material cutting mechanism comprises the driving incomplete gear and a slider-crank mechanism, the slider-crank mechanism is eccentrically arranged on the driving incomplete gear, and a cutting knife for cutting is arranged in the slider-crank mechanism; the compensation deburring mechanism comprises an auxiliary honing grinding roller, an active honing seat, a spring, a cylindrical guide post and a guide sleeve; a gap for raw material honing is formed between the auxiliary honing roller and the active honing seat, a cylindrical guide pillar is connected between the active honing seat and the guide sleeve, a spring is sleeved outside the cylindrical guide pillar for connection, and honing oilstones are fixedly arranged on the auxiliary honing roller and the active honing seat.
Further preferably, the crank-slider mechanism comprises a connecting rod, a slider and a slideway; the slider articulates the one end of connecting rod, the one end of connecting rod is equipped with eccentric pivot, eccentric pivot eccentric settings is in on the incomplete gear of initiative, the one end of slider is equipped with the cutting knife, the slide restricts the slider only lateral shifting.
Further optimizing, the honing oilstone is arranged at the position opposite to the auxiliary honing grinding roller and the active honing seat.
Further optimizing, still include ejecting the cover, ejecting cover with the receipts material roller sets up relatively for ejecting the raw materials after spot welding on the receipts material roller one by one.
Further optimizing, still be equipped with the supplementary guide pin bushing that is used for supplementary raw materials feeding on the box.
Further optimize, the raw materials supporting seat includes metal raw materials supporting seat, non-metal materials supporting seat, just metal raw materials supporting seat, non-metal materials supporting seat are located the both sides of supplementary guide pin bushing.
Further optimize, still include dual output shaft motor, one of them output shaft and the incomplete gear coaxial coupling of initiative, another output shaft is connected with eccentric rotating shaft, the receipts material roller is connected with the motor.
Further preferably, the auxiliary guide sleeve is provided with a V-shaped groove, and a switch for controlling a motor and a time delay switch for controlling an electric welding machine are arranged in the V-shaped groove.
Further optimization, the delay time of the delay switch can be calculated according to the rotating speed of the motor and the perimeter of the required wound gasket.
The invention has the beneficial effects that: 1. the metal raw materials and the nonmetal raw materials are respectively placed on the metal raw material supporting seat and the nonmetal raw material supporting seat, and then the metal raw materials and the nonmetal raw materials are combined together by matching with the auxiliary roller under the driving of the driving roller.
2. The raw materials are subjected to deburring and polishing by adopting a compensation deburring mechanism, and considering that the object for deburring and polishing is metal raw materials, the metal raw materials pass through a gap between an auxiliary honing grinding roller and an active honing seat, the raw material traction process is also a honing process, and because the precision of the metal raw materials is still higher and burrs and concave-convex surfaces are smaller, honing oilstones are adopted, and if the precision of the raw materials is lower, other materials with larger grinding amount can be adopted to replace the honing oilstones. And along with the consumption of the honing oilstone, the original spring in a compressed state drives the active honing seat to move towards the auxiliary honing roller, so that the contact between the honing oilstone and the raw material is recovered, and the feasibility of the honing oilstone during deburring and polishing is ensured. Namely, the deburring and polishing of the raw materials are completed in the feeding process, and the sealing performance of the finished product is greatly improved.
3. Adopt the cooperation of initiative incomplete gear and driven gear, raw materials drive mechanism pause when the scarce tooth portion of initiative incomplete gear and driven gear meshing stops the material loading, raw materials cutting mechanism cuts the raw materials this moment, cut off the switch of cutting knife touch control receipts material roller motor and the delay switch of electric welding when cutting off, the raw materials that the receipts material roller pair was cut off carry out the rolling, the electric welding time delay carries out spot welding to the raw materials that the rolling is good, ejecting cover carries out ejecting collection with the raw materials that the spot welding is good, accomplish the material loading of a metal winding gasket. Then the toothed part of the driving incomplete gear and the driven gear are meshed with a raw material traction mechanism to continue feeding. The automatic processing device can replace manual feeding in the prior art, and greatly improves the production efficiency.
4. The device of the invention is adopted to feed the metal winding gasket, the circumference of the circular arc where the toothed part of the driving incomplete gear is positioned is the length of raw materials required by the metal winding gasket, and the metal winding gasket with different radiuses can be manufactured by automatically setting the circular arc length of the toothed part of the driving incomplete gear and the radius of the material receiving roller.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will discuss the drawings required to be used in the embodiments or the technical solutions in the prior art, it is obvious that the technical solutions described in the figures are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without creative efforts.
FIG. 1 is a schematic axial view of a polishing and deburring device for a metal pad according to the present invention.
FIG. 2 is an internal isometric view of the present invention.
Fig. 3 is a front view of the present invention.
Fig. 4 is a left side view of the present invention.
Fig. 5 is an enlarged view of a portion a in fig. 3.
Fig. 6 is an enlarged view of fig. 3 at B.
In the figure: the honing machine comprises a box body 1, a non-metal raw material supporting seat 2, a metal raw material supporting seat 3, a driving roller 4, an auxiliary roller 5, a raw material 6, a slideway 7, an auxiliary guide sleeve 8, an eccentric rotating shaft 9, a V-shaped groove 10, a connecting rod 11, a sliding block 12, a receiving roller 13, an electric welding machine 14, a driven gear 15, a driving incomplete gear 16, an ejection sleeve 17, a first motor shaft sleeve 18, a second motor shaft sleeve 19, a cylindrical guide pillar 20, a spring 21, a driving honing seat 22, an auxiliary honing roller 23 and a guide sleeve 24.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments described herein without the need for inventive work, are within the scope of the present invention.
The embodiment of the invention provides a metal gasket polishing and deburring device, which comprises a box body 1, a raw material supporting seat, a raw material traction mechanism, a raw material cutting mechanism, a compensation deburring mechanism, a material receiving roller 13 and an electric welding machine 14, wherein the box body 1 is provided with the raw material supporting seat; the raw material traction mechanism comprises a driving roller 4, an auxiliary roller 5 and a driving incomplete gear 16, wherein the driving roller 4 is coaxially connected with a driven gear 15, and the driving incomplete gear 16 is intermittently meshed with the driven gear 15; the raw material cutting mechanism comprises the driving incomplete gear 16 and a slider-crank mechanism, the slider-crank mechanism is eccentrically arranged on the driving incomplete gear 16, and a cutting knife for cutting is arranged in the slider-crank mechanism; the compensation deburring mechanism comprises an auxiliary honing grinding roller 23, an active honing seat 22, a spring 21, a cylindrical guide post 20 and a guide sleeve 24; a gap for honing the raw material 6 is formed between the auxiliary honing roller 23 and the active honing seat 22, a cylindrical guide post 20 is connected between the active honing seat 22 and the guide sleeve 24, a spring 21 is sleeved outside the cylindrical guide post 20 for connection, and honing oilstones are fixedly arranged on the auxiliary honing roller 23 and the active honing seat 22. Wherein the guide sleeve 24 is fixedly arranged on the side wall of the box body 1.
The crank sliding block mechanism comprises a connecting rod 11, a sliding block 12 and a slideway 7; slider 12 articulates the one end of connecting rod 11, the one end of connecting rod 11 is equipped with eccentric pivot 9, eccentric pivot 9 eccentric settings is in on the incomplete gear 16 of initiative, the one end of slider 12 is equipped with the cutting knife, slide 7 restricts slider 12 only lateral shifting. Wherein the slideway 7 corresponds to a frame in the crank block 12 mechanism.
The honing oilstone is arranged at the opposite surfaces of the auxiliary honing grinding roller 23 and the active honing seat 22.
The material receiving roller 13 is characterized by further comprising an ejection sleeve 17, wherein the ejection sleeve 17 is arranged opposite to the material receiving roller 13 and used for ejecting the spot-welded raw materials 6 on the material receiving roller 13 one by one. Wherein the ejection sleeve 17 can be driven by hydraulic pressure or pneumatic pressure.
And an auxiliary guide sleeve 8 for feeding the auxiliary raw material 6 is also arranged on the box body 1.
The raw material supporting seat comprises a metal raw material supporting seat 3 and a nonmetal raw material supporting seat 2, and the metal raw material supporting seat 3 and the nonmetal raw material supporting seat 2 are located on two sides of the auxiliary guide sleeve 8. Wherein metal feedstock 6 and non-metal raw materials 6 are placed respectively on metal feedstock supporting seat 3 and non-metal raw materials supporting seat 2, and metal feedstock supporting seat 3 and non-metal raw materials supporting seat 2 pass through bearing roll connection on the lateral wall of box 1.
Still include dual output shaft motor, one of them output shaft and the incomplete gear 16 coaxial coupling of initiative, another output shaft is connected with eccentric pivot 9, material receiving roller 13 is connected with the motor.
And a V-shaped groove 10 is formed in the auxiliary guide sleeve 8, and a switch for controlling a motor and a time delay switch for controlling the electric welding machine 14 are arranged in the V-shaped groove 10.
The delay time of the delay switch can be calculated according to the rotating speed of the motor and the perimeter of the wound gasket.
The raw material traction mechanism intermittently pulls the raw material 6, the compensation deburring mechanism removes burrs on the surface of the raw material 6 in the raw material 6 pulling process, and the cutting mechanism cuts the raw material 6 during the pause period of the raw material traction mechanism; the material receiving roller 13 is used for rolling, rolling and cutting the raw materials 6, and the electric welding machine 14 is used for spot welding the raw materials 6 on the material receiving roller 13.
The method comprises the following specific operation steps: and starting the double-output motor, driving the incomplete gear 16 to rotate by the first motor shaft sleeve 18, driving the driven gear 15 to rotate due to the meshing of the incomplete gear 16 and the driven gear 15, rotating the driving roller 4, and driving the driving roller 4 to rotate and pull the metal and non-metal raw materials 6 to be loaded from the corresponding supporting seat, wherein the metal and non-metal raw materials 6 are overlapped and enter the position of the material receiving roller 13 under the action of the auxiliary guide sleeve 8.
In the process of overlapping and feeding the metal and non-metal raw materials 6, a gap for honing the raw materials 6 is formed between the auxiliary honing grinding roller 23 and the active honing seat 22, and because the honing oilstone is arranged on the opposite surfaces of the auxiliary honing grinding roller 23 and the active honing seat 22, when the metal and non-metal raw materials 6 pass through the gap, the honing oilstone performs honing, deburring and polishing operations on the metal and non-metal raw materials 6.
Then when the tooth-lacking part of the driving incomplete gear 16 is meshed with the driven gear 15, the driven gear 15 does not rotate, and further the driving roller 4 does not rotate, so that the raw material 6 is dragged and stopped; meanwhile, the second motor shaft sleeve 19 drives the eccentric rotating shaft 9 to start to move to the forward limit position (the left side direction in a specified graph is forward, and the right side direction in the specified graph is reverse), the sliding block 12 and the cutting knife are driven to move towards the direction of the raw material 6, namely the forward limit position of the crank sliding block mechanism moves at the moment, when the crank sliding block mechanism moves to the limit position, the cutting knife cuts the raw material 6, the cutting knife can trigger the motor for controlling the material receiving roller 13 to start and the electric welding machine 14 to delay to start at the same time of cutting, so that the material receiving roller 13 is driven to rotate, the cut raw material 6 is wound, then the electric welding machine 14 performs spot welding, and finally the ejection sleeve 17 ejects a winding gasket which is subjected to spot welding on the material receiving roller 13, so that the loading of a metal winding gasket can be completed.
When the toothed part of the driving incomplete gear 16 is meshed with the driven gear 15, the driven gear 15 rotates, and further the driving roller 4 starts to rotate, so that the raw material 6 is dragged to start again, and meanwhile, the eccentric rotating shaft 9 starts to move to the reverse limit position to drive the sliding block 12 and the cutting knife to move away from the raw material 6, and therefore the motor of the material receiving roller 13 is controlled to be turned off and the electric welding machine 14 is controlled to pause to work.
The circumference of the arc where the toothed part of the driving incomplete gear 16 is located is the length of the raw material 6 required by one metal winding gasket, and the metal winding gaskets with different radiuses can be manufactured by setting the arc length of the toothed part of the driving incomplete gear 16 and the radius of the material receiving roller 13 according to the requirement.
It should be noted that, in order to cause a certain degree of wear due to the increase of the honing oilstone with the use time, the spring 21, the cylindrical guide post 20 and the guide sleeve 24 are provided, and as the honing oilstone is consumed, the spring 21, which is originally in a compressed state, drives the active honing seat 22 to move towards the auxiliary honing grinding roller 23, so as to recover the contact between the honing oilstone and the raw material 6, and ensure the feasibility of deburring and polishing, so that the honing oilstones on the active honing seat 22 and the auxiliary honing grinding roller 23 can be completely consumed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides a metal gasket polishing burring device, includes the box, be equipped with raw materials supporting seat on the box, its characterized in that: the device also comprises a raw material traction mechanism, a raw material cutting mechanism, a compensation deburring mechanism, a material receiving roller and an electric welding machine; the raw material traction mechanism comprises a driving roller, an auxiliary roller and a driving incomplete gear, the driving roller is coaxially connected with a driven gear, and the driving incomplete gear is intermittently meshed with the driven gear; the raw material cutting mechanism comprises the driving incomplete gear and a slider-crank mechanism, the slider-crank mechanism is eccentrically arranged on the driving incomplete gear, and a cutting knife for cutting is arranged in the slider-crank mechanism; the compensation deburring mechanism comprises an auxiliary honing grinding roller, an active honing seat, a spring, a cylindrical guide post and a guide sleeve; a gap for raw material honing is formed between the auxiliary honing roller and the active honing seat, a cylindrical guide pillar is connected between the active honing seat and the guide sleeve, a spring is sleeved outside the cylindrical guide pillar for connection, and honing oilstones are fixedly arranged on the auxiliary honing roller and the active honing seat.
2. The metal pad polishing deburring apparatus as claimed in claim 1, wherein: the crank sliding block mechanism comprises a connecting rod, a sliding block and a slideway; the slider articulates the one end of connecting rod, the one end of connecting rod is equipped with eccentric pivot, eccentric pivot eccentric settings is in on the incomplete gear of initiative, the one end of slider is equipped with the cutting knife, the slide restricts the slider only lateral shifting.
3. The metal pad polishing deburring apparatus as claimed in claim 1, wherein: the honing oilstone is arranged at the opposite position of the auxiliary honing grinding roller and the active honing seat.
4. The metal pad polishing deburring apparatus as claimed in claim 1, wherein: the material receiving roller is arranged on the base, and the material receiving roller is arranged on the base and used for receiving materials to be spot-welded.
5. The metal pad polishing deburring apparatus as claimed in claim 1, wherein: and the box body is also provided with an auxiliary guide sleeve for assisting raw material feeding.
6. The metal pad polishing deburring apparatus as claimed in claim 5, wherein: the raw material supporting seat comprises a metal raw material supporting seat and a non-metal raw material supporting seat, and the metal raw material supporting seat and the non-metal raw material supporting seat are located on two sides of the auxiliary guide sleeve.
7. The metal pad polishing deburring apparatus as claimed in claim 2, wherein: still include dual output shaft motor, one of them output shaft and the incomplete gear coaxial coupling of initiative, another output shaft is connected with eccentric rotating shaft, it is connected with the motor to receive the material roller.
8. The metal pad polishing deburring apparatus as claimed in claim 7, wherein: and a V-shaped groove is formed in the auxiliary guide sleeve, and a switch for controlling a motor and a time delay switch for controlling an electric welding machine are arranged in the V-shaped groove.
9. The metal pad polishing deburring apparatus as claimed in claim 8, wherein: the delay time of the delay switch can be calculated according to the rotating speed of the motor and the perimeter of the wound gasket.
CN202010360928.6A 2020-04-30 2020-04-30 Polishing and deburring device for metal gasket Active CN111660106B (en)

Priority Applications (1)

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CN202010360928.6A CN111660106B (en) 2020-04-30 2020-04-30 Polishing and deburring device for metal gasket

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Application Number Priority Date Filing Date Title
CN202010360928.6A CN111660106B (en) 2020-04-30 2020-04-30 Polishing and deburring device for metal gasket

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CN111660106B CN111660106B (en) 2021-12-17

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6560849B1 (en) * 1998-04-15 2003-05-13 Christopher Max Modra Apparatus for manufacturing slats
CN104907906A (en) * 2015-07-04 2015-09-16 北京亨通斯博通讯科技有限公司 Strip burr polishing device
CN106553024A (en) * 2016-08-31 2017-04-05 杭州钱江万胜电器制造有限公司 The automatic valve block pattern welding equipment of compressor and its using method
CN206720504U (en) * 2017-03-22 2017-12-08 慈溪市宝翔机械有限公司 The numerical control winding machine of gasket seal automatic charging
CN109051981A (en) * 2018-08-31 2018-12-21 重庆市开州区三中印务有限公司 Folding apparatus is used in printing
CN208945586U (en) * 2018-08-18 2019-06-07 江门市蓬江区炜骏实业有限公司 Scissoring device is used in a kind of production of tables and chairs

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6560849B1 (en) * 1998-04-15 2003-05-13 Christopher Max Modra Apparatus for manufacturing slats
CN104907906A (en) * 2015-07-04 2015-09-16 北京亨通斯博通讯科技有限公司 Strip burr polishing device
CN106553024A (en) * 2016-08-31 2017-04-05 杭州钱江万胜电器制造有限公司 The automatic valve block pattern welding equipment of compressor and its using method
CN206720504U (en) * 2017-03-22 2017-12-08 慈溪市宝翔机械有限公司 The numerical control winding machine of gasket seal automatic charging
CN208945586U (en) * 2018-08-18 2019-06-07 江门市蓬江区炜骏实业有限公司 Scissoring device is used in a kind of production of tables and chairs
CN109051981A (en) * 2018-08-31 2018-12-21 重庆市开州区三中印务有限公司 Folding apparatus is used in printing

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