CN203110750U - Spot carving machine - Google Patents

Spot carving machine Download PDF

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Publication number
CN203110750U
CN203110750U CN 201220741749 CN201220741749U CN203110750U CN 203110750 U CN203110750 U CN 203110750U CN 201220741749 CN201220741749 CN 201220741749 CN 201220741749 U CN201220741749 U CN 201220741749U CN 203110750 U CN203110750 U CN 203110750U
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CN
China
Prior art keywords
partner
termination
drive end
engraving
work platform
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Withdrawn - After Issue
Application number
CN 201220741749
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Chinese (zh)
Inventor
罗群
罗亮
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.)
HEFEI SIWEI CNC MACHINERY CO Ltd
Original Assignee
HEFEI SIWEI CNC MACHINERY 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
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Priority to CN 201220741749 priority Critical patent/CN203110750U/en
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Publication of CN203110750U publication Critical patent/CN203110750U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model belongs to the field of carving machines, and particularly relates to a spot carving machine. The spot carving machine comprises a main machine work table and a coordinate sliding component which is arranged above the main machine work table and is used for driving a carving head to act in an appoint direction, a workpiece clamping mechanism which corresponds to the carving head in number and the carving positions is arranged on the main machine work table, the workpiece clamping mechanism at least comprises two abutting ends which are used for fixing workpieces to be machined in an abut-combined mode, the two abutting ends are arranged coaxially, the clamping distance when the two abutting ends are located at initial positions is smaller than or equal to the preset clamping distance of the workpieces to be clamped, and elastic serial-motion match which can act in the axis direction of one abutting end is formed between at least one of the two abutting ends and the main machine work table. According to the spot carving machine, artificial frequent and repeated operation are not needed, the function of taking and placing the workpieces to be machined can be achieved only through elastic force, integral clamping is accurate, reliable and high in efficiency, the problem of rotating a rocker handle frequently and repeatedly caused by adoption of a traditional centre can be effectively solved, and labor intensity of workers can be greatly improved.

Description

A kind of engraving machine of getting ready
Technical field
The utility model belongs to the engraving machine field, is specifically related to a kind of engraving machine of getting ready.
Background technology
Engraving machine, be to design and set type by the special-purpose engraving software that disposes in the computer, and by computer design and the information of setting type are sent in the engraving machine controller automatically, by controller these information are changed into the signal that has power (train of pulse) that can drive stepper motor or servomotor again, control engraving machine main frame generates a kind of device in the engraving feed roadbed footpath of three of X, Y, Z; At this moment, the high speed rotation engraving member on the engraving machine by pressing the cutter of Material Processing configuration, cuts the rapidoprint that is fixed on the host work platform, can carve out the various planes or three-dimensional relief pattern and the literal that design in computer.At present at the concrete structure of getting the engraving machine of usefulness as cannula-like external surfaces such as motorcycle handles ready, be that the name of CN202463405U is called in " a kind of solid carving machine " namely record to some extent at notification number: mainly comprise the host work platform and be positioned at the coordinate sliding assembly that is used for settling engraving member on the host work platform, then be correspondingly provided with on the host work platform and the corresponding workpiece grip mechanism of engraving member number of cutters; Workpiece grip mechanism mainly comprises for the claw of clamping workpiece to be processed one end and the thimble portion of playing its auxiliary fixation that is used for holding the workpiece to be processed other end, this can do reciprocating linear motion thimble portion along the guide rail that is arranged on the host work platform as screw mandrel slide block mechanism and integral body, and claw then corresponding dependence is used for providing the power motor of its power that rotatory force is provided.During practical operation, an end socket that at first with workpiece to be processed also is the cannula-like body is fixed on the claw, afterwards with thimble portion along guide rail action and finally compress and be linked in cannula-like body other end place and realize that a rough position fixes, afterwards, make its thimble termination produce displacement by the screw mandrel slide block mechanism in the accurate adjustment thimble portion again, finally compressing realization down uniting of thimble termination and claw for the accurate fixing purpose of the secondary of cannula-like body.The thimble of the similar common lathe of said structure and the fixed structure of scroll chuck, when using, reality exist defective quite big: at first, the rigidity of structure is big, because the whole work-piece clamping device is the rigidity clamping, rough fixedly fashion has not big harm, yet accurately fixedly during operation, in case the screw mandrel amount of spin is excessive in the screw mandrel slide block mechanism of thimble portion, cause the thimble position to move past greatly, the thimble termination of thimble portion will produce displacement and cause originally to cannula-like body direction by force is exactly the cannula-like end of body generation squeeze crack phenomenon of thin-wall part, finally causes product waste product to occur; Secondly, operate complicated, whole cannula-like body grip operation, all must satisfy rough clamping and accurately fix two steps, note also the displacement problem of thimble portion simultaneously, even the screw mandrel slide block mechanism of thimble portion also needs the workman constantly to operate rocking handle can be achieved, and labor strength is big; Again, the clamping ability of above-mentioned claw, all be to rely on the drive motors and a series of branch transmission mechanism that are arranged in its side to realize, also namely all claws all can only engage synchronously and separate, necessary synchronously rough retaining sleeve tubulose body can't realize installing successively purpose when not only operating, and unavoidably there is loss in its transmission of power simultaneously, thereby cause each final claw clamping quality all to produce difference, the clamping poor effect; At last, the cooperation chucking structure of claw and thimble portion, often all be the smooth outer edge surface that relies on the smooth outer edge surface of claw and thimble termination with cannula-like body inwall between the optical axis unthreaded hole that constitutes cooperate to realize, the optical axis unthreaded hole cooperates maximum defective to be that frictional force is low, in case this just causes external force to be bestowed, just be easy to the body rotation phenomenon that the cannula-like body takes place adding man-hour, thereby cause the position of getting ready of engraving member to produce deviation, final its quality of finished that influences greatly.
Summary of the invention
The purpose of this utility model provides a kind of engraving machine of getting ready simple in structure, and its clamping accurately and reliably and the efficient height can effectively be avoided adopting traditional thimble portion and the complicated rotation crank problem brought, and labor strength can greatly be improved.
For achieving the above object, the utility model has adopted following technical scheme: a kind of engraving machine of getting ready, comprise for fixing to be processed host work platform and the coordinate sliding assembly that the driving engraving member is done the assigned direction action that is used for that is arranged in host work platform top, be furnished with the workpiece grip mechanism of corresponding engraving member number and engraving position on the host work platform, described workpiece grip mechanism comprises that at least two are used for the top and close fixing to be processed the termination that compresses, and the clamping spacing when described balance or cancel each other a pressure side coaxial setting and both are positioned at initial position is less than or equal to be processed predetermined clamping spacing; At least one termination of the described pressure side head that balances or cancel each other and host work interstation constitute can be along this elasticity string that compresses termination axis direction action movingly.
The beneficial effects of the utility model are: abandoned the thimble portion that traditional necessary screw mandrel slide block cooperates, the employing that replaces is more convenient for using and the more simple resilient clamp of operation unit; Like this, when reality is used, only need after the rough spacing between the pressure side head of will balancing or cancel each other is roughly adjusted, at every turn in clamping with when taking off to be processed, only need stir the termination that compresses that wherein possesses the elastic displacement ability conveniently, the spacing between the pressure side head of balancing or cancel each other this moment strengthens and gradually to can taking out or put into to be processed stage, in case and the external force cancellation, under resilient force, the above-mentioned termination homing and realize the clamping purpose that it is initial voluntarily again that compresses.It need not artificial complicated operation, and only need rely on elastic force itself can realize to be processed the function that picks and places, integral retaining accurately and reliably and the efficient height can effectively be avoided adopting traditional thimble portion and the complicated rotation crank problem brought, and labor strength can greatly be improved.
Description of drawings
Fig. 1 is the complete machine structure side view after the utility model assembling;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is each workpiece grip mechanism structure distribution figure on the host work platform;
Fig. 4-6 is for compressing the clamping operational flowchart of termination;
Fig. 7 is the I part partial enlarged drawing of Fig. 6;
Fig. 8 is the anti-slip tank distribution map of drive end;
Fig. 9 is the anti-slip tank distribution map of Partner.
The specific embodiment
A kind of engraving machine of getting ready, comprise for fixing to be processed host work platform 10 and the coordinate sliding assembly 20 that the driving engraving member is done the assigned direction action that is used for that is arranged in host work platform 10 tops, be furnished with the workpiece grip mechanism of corresponding engraving member number and engraving position on the host work platform 10, described workpiece grip mechanism comprises that at least two are used for the top and close fixing to be processed the termination that compresses, and the clamping spacing when described balance or cancel each other a pressure side coaxial setting and both are positioned at initial position is less than or equal to be processed predetermined clamping spacing; 10 formations of at least one termination of the described pressure side head that balances or cancel each other and host work platform can be along this elasticity string that compresses the action of termination axis direction movingly.
As further preferred version of the present utility model, shown in Fig. 1-9, compress the termination and comprise drive end 31 and Partner 32 and all can be along the action that rotates of self axis, described drive end 31 connects power sources 40, and the elasticity string that 10 formations of Partner 32 and host work platform can be moved along its axis direction movingly.In fact, the utility model is by the thimble portion structure of the screw mandrel slide block cooperation of abandoning tradition, and the employing that replaces is more convenient for using and the more simple resilient clamp of operation unit.Like this, on the one hand at every turn in clamping with when taking off to be processed, only need stir the termination that compresses that wherein possesses the elastic displacement ability conveniently, the spacing that balances or cancel each other this moment between the pressure side head strengthens also gradually to taking out or put into to be processed stage, in case and external force is cancelled, under resilient force, the above-mentioned termination homing and realize the clamping purpose that it is initial voluntarily again that compresses; On the other hand, the rotation action that compresses termination itself can guarantee again engraving member for to be processed also be the cannula-like body circumferentially get function ready, its clamping can be finished and all get operation ready, operating efficiency can further be promoted.In addition, by master, Partner 31,32 share out the work and help one another, its Partner 32 can in time respond its action and servo-actuated rotation when drive end 30 drives to be processed rotation thereby play, and finally guarantees its processing purpose; The utility model need not artificial complicated operation, and only need rely on elastic force itself can realize to be processed the function that picks and places, rely on simultaneously its rotate effect finish its to be processed circumferentially get purpose ready, integral retaining is accurately and reliably and the efficient height.
Further, be furnished with rail portion 11 on the described host work platform 10, be furnished with on the rail portion 11 with it constitute slide can sealed cooperation slide section 12, the one side that deviates from drive end 31 relatively of Partner 32 postpones for constituting along its axis direction and runs through the axial region 33 that slide section 12 arranges, and 12 formations of this axial region 33 and slide section are slided slotting and/or are rotatably assorted; Engraving machine comprises that also an end of described tension spring 34 is fixed on the slide section 12 for the tension spring 34 that constitutes the action of Partner 32 elasticity strings, the affixed cooperation of formation between the other end and axial region 33 outer walls.Like this, on the one hand, by being positioned at Partner 32 places in the cooperating of axial region 33 and the slide section 12 that is applied to fix this axial region 33 mutually, to realize the driven rotation purpose of Partner 32; On the other hand, the setting of tension spring 34, Partner 32 can be realized one of implementation that the moving action of aforesaid elasticity string is indispensable especially.During actual fabrication, tension spring 34 can directly be clogged in slide section 12, or is arranged in the outer and two ends of slide section 12 and is individually fixed on slide section 12 and the axial region 33, all can play the purpose of its exert pressure deformation and elastic recovery.As for be furnished with on the rail portion 11 with it constitute slide can sealed cooperation the understanding of slide section 12, then can be with reference to shown in Fig. 1-2 and Fig. 4-6, because tension spring 34 itself has elastic recovery and the pulling force limit, also be itself to have intrinsic elastic strength and infinitely stretching and answer, therefore certainly will need to adopt big displacement mechanism to realize the rough displacement purpose of Partner 32, also namely as the aforementioned " the clamping spacing when Partner 32 is positioned at initial position with drive end 31 is less than or equal to be processed predetermined clamping spacing " this primary demand; During practical operation, at first according to be processed length and aforementioned slide section 12 is moved to specified location along rail portion 11, as long as to be processed length does not produce too big-difference, all only need operate Partner 32 and can realize to be processed clamping and unload and get purpose; Assembling mode as for slide section 12 that can be sealed, implementation in the field is comparatively general at present, mostly is then to be locking pole structure shown in Fig. 1 and Fig. 4-6, also i.e. as shown in the figure one of use run through slide section 12 and and 10 screw thread locking pole a that constitute threaded engagement of host work platform, to realize that it unclamps and fixed performance, it is easy and simple to handle and quick, can further strengthen its practicality and service efficiency.
Further, described axial region 33 profiles are the multidiameter shape, 12 of its relative smaller diameter end and slide section constitute sliding inserting and close, the end of its relative larger diameter end is provided with the boss of establishing bearing 35 inner rings for card along its axis evagination, and the relative end that deviates from drive end 31 on bearing 35 outer rings and the Partner 32 constitutes inlay card and cooperates; Or the end of this relative larger diameter end is useful on the counterbore that card is established bearing 35 outer rings along its axis indent, and bearing 35 inner rings constitute inlay card with a relative end that deviates from drive end 31 of Partner 32 and cooperate.Said structure further can be specifically shown in Fig. 4-6, setting by said structure, dependence forms split-type design with Partner 32 and 33 of axial regions, be easy to manufacture on the one hand, to guarantee the cheap property of its cost of manufacture, on the other hand, directly with whole axial region 33 and Partner 32 whole rotations, obviously comparatively bother, the utility model can realize that by simple bearing fit structure Partner 32 is compared to the servo-actuated rotation purpose of drive end 31; Even can directly gap or interference fits will be constituted between the counterbore on bearing 35 outer rings and the axial region 33 as shown in Figure 7, mark closely screw 36 affixed settings by what be arranged in the counterbore end between the two, thereby guarantee the substitutability of its whole Partner 32 by its detachable cooperation; Like this, in a single day Partner 32 takes place during use damages or bearing 35 wear phenomenons, by the scene directly dismounting mark closely screw 36 and can realize changing, its commutativity is high, thus can effectively avoid because of being rotatably assorted so that the component wear that causes be difficult to the replacing problem.
Further, shown in Fig. 3-6, described workpiece grip mechanism comprises rob support 37, described rob support 37 profiles are Z-shaped plate shape and its plate face layout that is perpendicular to one another, the parallel vertical panel that compresses termination axis setting of plate face direction that rob support 37 comprises parallel-plate parallel to each other and connects two parallel-plates, wherein the plate body of a parallel-plate postpone downwards and affixed slide section 12 on relatively arrange away from a side of Partner 32, the plate body of another parallel-plate is upwards postponed and is constituted affixed cooperations with 33 of axial regions; Axial region 33 is provided with check ring 38, and described tension spring 34 two ends arrange against the respective parallel plate interior plate face of check ring 38 with rob support 37 respectively.In fact, the basic goal of above-mentioned design just solves the placement issue of tension spring 34 itself; When practical operation, even can directly not need above-mentioned rob support 37, and directly an end of tension spring 34 is fixed on the slide section 12 and other end relative set is sentenced in axial region 33 and realized its assembling, but can realize the moving effect of elasticity string of whole Partner assembly equally.Setting by rob support 38 can make its overall structure more simple and clear herein, thereby convenient for assembly and safeguard, finally guarantees the job stability of convenience and the total of its later maintenance.
Further, describedly compress that the termination profile all is frustum and the frustum tip positioned opposite of the pressure side head that balances or cancel each other; Compress the termination at the uniform anti-slip tank b that offers of its its axis direction of conical surface upper edge; Anti-slip tank quantity on the described drive end 31 is greater than anti-slip tank quantity on the Partner 32, specifically shown in Fig. 4-9.The layout of anti-slip tank b mainly contains the smooth cannula-like profile in view of to be processed; Be the situation of avoiding occurring man-hour on the traditional mechanism adding about clamping not strongly, herein by anti-slip tank b being set compressing the termination, hold to be processed A smoothly in case compress the termination, this moment, the inwall of to be processed A certainly will just and form big frictional force between anti-slip tank, thus fundamentally solve engraving machine get operation ready and when needing rotational workpieces to be processed the slippage problem that may occur.And on the drive end 31 anti-slip tank quantity greater than the design of anti-slip tank quantity on the Partner 32, considering that drive end 31 is as application of force carrier initiatively especially, its when rotation suddenly, need especially that more frictional force guarantees to be located thereon to be processed firmly servo-actuated; Comparatively speaking, anti-slip tank quantity can reduce as one sees fit on the Partner 32.In addition, the straight recessed strip that the arrangement of anti-slip tank b both can be shown in Fig. 4-7 also can be arranged as the mode that other are convenient to peg graft and promote friction, and this sentences actual producer and requires to be as the criterion, and just gives unnecessary details no longer one by one.
Further, the concrete structure of host work platform is done following restriction herein: described host work platform 10 comprises base 10a and is arranged in the platform 10b that cooperates with its formation screw mandrel slide block on the base 10a, described platform 10b direction of action with compress the termination direction of action and arrange in the same way, each drive end 31 and Partner 32 all are arranged in platform 10b one to one and go up and constitute one group of workpiece grip mechanism; Platform 10b is provided with fixed block 39, on the drive end 31 relatively away from an end of Partner 32 along its axis to fixed block 39 places postpone and with its formation relation of being rotatably assorted; Simultaneously, power source 40 is arranged on the direction that postpones of drive end 31 and its output shaft and drive end 31 axis coaxle settings; Each is organized the power source 40 of workpiece grip mechanism and all independently arranges each other.In fact, because the power that the power transmission component institute of the corresponding workpiece grip mechanism quantity of a traditional power source 40 configurations may cause transmits deficiency and the not enough problem of chucking power, herein by the independently design of a plurality of power sources 40 each other, each power source 40 full-time rotation purpose of being responsible for drive end 31 on the respective sets workpiece grip mechanism, thereby guarantee that its power transmission too much loss and wasting phenomenon can not occur, guaranteed that finally the revolving force of drive end 31 satisfies actual required.As for the matching mechanism between platform 10b and base 10a, in existing structure, all describe to some extent, just repeat no more herein.

Claims (10)

1. get engraving machine ready for one kind, comprise for fixing to be processed host work platform (10) and the coordinate sliding assembly (20) that the driving engraving member is done the assigned direction action that is used for that is arranged in host work platform (10) top, be furnished with the workpiece grip mechanism of corresponding engraving member number and engraving position on the host work platform (10), it is characterized in that: described workpiece grip mechanism comprises that at least two are used for the top and close fixing to be processed the termination that compresses, and the clamping spacing when described balance or cancel each other a pressure side coaxial setting and both are positioned at initial position is less than or equal to be processed predetermined clamping spacing; Constituting between at least one termination of the described pressure side head that balances or cancel each other and host work platform (10) can be along this elasticity string that compresses termination axis direction action movingly.
2. the engraving machine of getting ready according to claim 1, it is characterized in that: compress the termination and comprise drive end (31) and Partner (32) and all can be along the action that rotates of self axis, described drive end (31) connects power source (40), constitutes the elasticity string that can move along its axis direction between Partner (32) and host work platform (10) movingly.
3. the engraving machine of getting ready according to claim 2, it is characterized in that: be furnished with rail portion (11) on the described host work platform (10), be furnished with on the rail portion (11) with it constitute slide can sealed cooperation slide section (12), the one side that deviates from drive end (31) relatively of Partner (32) postpones for constituting along its axis direction and runs through the axial region (33) that slide section (12) arranges, and constitutes sliding slotting and/or be rotatably assorted between this axial region (33) and slide section (12); Engraving machine comprises that also an end of described tension spring (34) is fixed on the slide section (12) for the tension spring (34) that constitutes the action of Partner (32) elasticity string, the affixed cooperation of formation between the other end and axial region (33) outer wall.
4. the engraving machine of getting ready according to claim 3, it is characterized in that: described axial region (33) profile is the multidiameter shape, constituting sliding inserting between its relative smaller diameter end and slide section (12) closes, the end of its relative larger diameter end is provided with the boss of establishing bearing (35) inner ring for card along its axis evagination, and the relative end that deviates from drive end (31) on bearing (35) outer ring and the Partner (32) constitutes inlay card and cooperates; Or the end of this relative larger diameter end is useful on the counterbore that card is established bearing (35) outer ring along its axis indent, and bearing (35) inner ring constitutes inlay card with a relative end that deviates from drive end (31) of Partner (32) and cooperates.
5. the engraving machine of getting ready according to claim 4 is characterized in that: constitute gap or interference fits between the counterbore on described bearing (35) outer ring and the axial region (33), mark closely the affixed setting of screw (36) by what be arranged in the counterbore end between the two.
6. according to claim 3 or the 4 or 5 described engraving machines of getting ready, it is characterized in that: described workpiece grip mechanism comprises rob support (37), described rob support (37) profile is Z-shaped plate shape and its plate face layout that is perpendicular to one another, the parallel vertical panel that compresses termination axis setting of plate face direction that rob support (37) comprises parallel-plate parallel to each other and connects two parallel-plates, wherein the plate body of a parallel-plate postpone downwards and affixed slide section (12) on arrange away from a side of Partner (32) relatively, the plate body of another parallel-plate upwards postpone and with axial region (33) between constitute affixed the cooperation; Axial region (33) is provided with check ring (38), and described tension spring (34) two ends arrange against the respective parallel plate interior plate face of check ring (38) with rob support (37) respectively.
7. according to claim 2 or 3 or the 4 or 5 described engraving machines of getting ready, it is characterized in that: describedly compress that the termination profile all is frustum and the frustum tip positioned opposite of the pressure side head that balances or cancel each other; Compress the termination at the uniform anti-slip tank that offers of its its axis direction of conical surface upper edge.
8. the engraving machine of getting ready according to claim 7 is characterized in that: the anti-slip tank quantity on the described drive end (31) goes up anti-slip tank quantity greater than Partner (32).
9. according to claim 2 or 3 or the 4 or 5 described engraving machines of getting ready, it is characterized in that: described host work platform (10) comprises base (10a) and is arranged in the platform (10b) that cooperates with its formation screw mandrel slide block on the base (10a), described platform (10b) direction of action with compress the termination direction of action and arrange in the same way, each drive end (31) and Partner (32) all are arranged in platform (10b) one to one and go up and constitute one group of workpiece grip mechanism; Platform (10b) is provided with fixed block (39), on the drive end (31) relatively away from an end of Partner (32) along its axis to fixed block (39) locate to postpone and with its formation relation of being rotatably assorted.
10. the engraving machine of getting ready according to claim 9 is characterized in that: power source (40) is arranged on the direction that postpones of drive end (31) and its output shaft and drive end (31) axis coaxle setting; Each is organized the power source (40) of workpiece grip mechanism and all independently arranges each other.
CN 201220741749 2012-12-30 2012-12-30 Spot carving machine Withdrawn - After Issue CN203110750U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220741749 CN203110750U (en) 2012-12-30 2012-12-30 Spot carving machine

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Application Number Priority Date Filing Date Title
CN 201220741749 CN203110750U (en) 2012-12-30 2012-12-30 Spot carving machine

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CN203110750U true CN203110750U (en) 2013-08-07

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Application Number Title Priority Date Filing Date
CN 201220741749 Withdrawn - After Issue CN203110750U (en) 2012-12-30 2012-12-30 Spot carving machine

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CN (1) CN203110750U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072414A (en) * 2012-12-30 2013-05-01 合肥四维数控设备有限责任公司 Dotting and carving machine
CN104512745A (en) * 2013-09-27 2015-04-15 北大方正集团有限公司 Support device and coating machine having support device
CN106826716A (en) * 2016-12-29 2017-06-13 天津市金万方钢结构有限公司 Right angle slide rail type steel structure assembly platform
CN106826705A (en) * 2016-12-29 2017-06-13 天津市金万方钢结构有限公司 Double sliding desk type steel structure operating platforms

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072414A (en) * 2012-12-30 2013-05-01 合肥四维数控设备有限责任公司 Dotting and carving machine
CN103072414B (en) * 2012-12-30 2015-04-15 合肥四维数控设备有限责任公司 Dotting and carving machine
CN104512745A (en) * 2013-09-27 2015-04-15 北大方正集团有限公司 Support device and coating machine having support device
CN106826716A (en) * 2016-12-29 2017-06-13 天津市金万方钢结构有限公司 Right angle slide rail type steel structure assembly platform
CN106826705A (en) * 2016-12-29 2017-06-13 天津市金万方钢结构有限公司 Double sliding desk type steel structure operating platforms

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Granted publication date: 20130807

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