CN107671328B - Automatic line for machining holes on top and bottom surfaces of engine cylinder cover - Google Patents
Automatic line for machining holes on top and bottom surfaces of engine cylinder cover Download PDFInfo
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- CN107671328B CN107671328B CN201711125681.4A CN201711125681A CN107671328B CN 107671328 B CN107671328 B CN 107671328B CN 201711125681 A CN201711125681 A CN 201711125681A CN 107671328 B CN107671328 B CN 107671328B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/28—Associations of only boring or drilling machines directed to a particular metal-working result
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model provides an engine cylinder cap top and bottom face hole processing transfer machine, including the cylinder cap transfer chain and along the multiunit digit control machine tool that the cylinder cap transfer chain was arranged, two digit control machine tool processing heads in every group set up in the left and right sides of cylinder cap transfer chain relatively, the cylinder cap transfer chain is including setting up in the numerical control slip table of transfer machine tool rear end, numerical control slip table includes the lead screw, be connected with servo motor on the lead screw, the nut of lead screw is connected on the slip table or as an organic whole with the slip table, the slip table sets up on the slide, rigid rectangular shape pawl work piece conveyer belt fixed connection is on the slip table, set up two work piece support rails in pawl work piece conveyer belt left and right sides, still be provided with in the centre of two digit control machine tools and go up a device, lower piece device and clamping device all set up in the frame between two digit control machine tools of every group, still be provided with two cylinder cap locating pins in the left side of frame. The automatic line has high efficiency and large flexibility.
Description
Technical Field
The invention relates to a numerical control machine tool machining line for machining an engine, in particular to an automatic machining line for holes on the top and bottom surfaces of an engine cylinder cover, and belongs to the technical field of equipment.
Background
The engine cylinder cover is an important component part of the engine, directly related to the running quality and service life of the engine, the top and bottom surfaces of the engine cylinder cover are provided with a plurality of processing holes for air intake and exhaust and air injection of the engine, the position and size errors of the processing holes have great influence on the quality and performance of the whole engine after assembly, the processing holes on the top and bottom surfaces of the engine cylinder cover are processed through a numerical control machine tool at present, and the processing modes mainly comprise the following steps: firstly, single-machine machining is the most traditional machining mode, in which a cylinder cover is clamped on a clamp, a numerical control drilling machine is adopted to demount a workpiece after machining holes on one surface, and then the other surface is machined, the machining efficiency is low, the workpiece is required to be clamped and positioned for many times in the machining process of the workpiece, larger errors are caused, and the precision of the machined cylinder cover is low; secondly, multi-shaft machining equipment is adopted, holes on one surface are machined simultaneously by multiple shafts, the efficiency is improved, but due to the limitation of hole spacing, the driving and machining heads of the multi-shaft machining equipment occupy corresponding space, the main shaft and the power device of each machining head are limited, the rotating speed of the machining head is lower in the machining mode, the machining efficiency is low, the rotating speed of the machining head is usually lower than 200 revolutions per minute, the rotating speed of the machining head is lower than 30-60 revolutions per minute, the specificity of the multi-shaft machining equipment is too strong, the multi-shaft machining equipment is not flexible at all, each multi-shaft machining equipment can only be used for machining one cylinder cover, if the varieties of machined products are more, the equipment and site investment of producers in the mode are greatly increased, the engine technology is continuously innovated, the design of the cylinder cover is updated quickly, the equipment with the strong specificity is easy to be eliminated, and the investment benefit is poor; thirdly, the hole machining of different surfaces is finished on different machine tools, so that a plurality of machine tools are required to operate in parallel, operators need to correspondingly increase, and meanwhile, the positioning is required for multiple times, so that the problems of large investment and poor precision still exist. In addition, in any current machining mode, the machine tool only machines one surface of the cylinder cover at one time, and in the process of machining holes, the drill bit applies axial force to the workpiece, and the axial force needs to be applied to the workpiece to counteract the corresponding reaction force, so that positioning deviation can occur due to the axial force, and quality problems of final precision of the workpiece can be caused.
Disclosure of Invention
The invention aims to overcome the problems in the existing engine cylinder cover top and bottom surface hole processing equipment and provides an automatic engine cylinder cover top and bottom surface hole processing line.
In order to achieve the purpose of the invention, the following technical scheme is adopted: the automatic machining line for the holes on the top and bottom surfaces of the engine cylinder cover comprises a cylinder cover conveying line and a plurality of groups of numerical control machine tools arranged along the cylinder cover conveying line, wherein the numerical control machine tools comprise mechanisms for moving a machining head back and forth in the horizontal direction and moving left and right in the horizontal direction, a control system is arranged on each numerical control machine tool, each group of numerical control machine tools comprises two numerical control machine tools, the machining heads of the two numerical control machine tools in each group are oppositely arranged on the left side and the right side of the cylinder cover conveying line, the cylinder cover conveying line comprises a numerical control sliding table arranged at the rear end of the automatic machine, the numerical control sliding table comprises a lead screw, a servo motor is connected onto the lead screw, a nut of the lead screw is connected onto or integrated with the sliding table, the sliding table is arranged on a sliding seat, a rigid strip-shaped pawl workpiece conveying belt is fixedly connected onto the sliding table, a plurality of pawl mechanisms are arranged on the pawl mechanism at intervals back and forth on the pawl mechanism, the pawl is rotationally arranged in a groove arranged in the middle of the left and right directions on the pawl type workpiece conveying belt, a limiting rod is arranged below the front part of the pawl in the groove, a spring is arranged in the groove, one end of the spring is connected to the pawl, the other end of the spring is connected to the groove, when the spring is in a natural state, the head part of the pawl is backwards, the tail part of the pawl is propped against the limiting rod, the included angle between the pawl and a horizontal line in the backward direction is an acute angle, two workpiece supporting rails are arranged on the left and right sides of the pawl type workpiece conveying belt, the upper surfaces of the two workpiece supporting rails are higher than the upper surfaces of the pawl type workpiece conveying belt, the distance between the two workpiece supporting rails is smaller than the thickness of a cylinder cover, a workpiece feeding device, a workpiece discharging device and a clamping device are arranged in the middle of the two numerical control machine tools, the feeding device is a feeding oil cylinder positioned on the right side of the frame, the discharging device is a discharging oil cylinder positioned on the left side of the frame, two positioning pins are further arranged on the left side of the frame, one positioning pin is a cylindrical pin, the other positioning pin is a diamond pin, the clamping device comprises two clamping claws positioned on the left side frame, one end of each clamping claw is connected with a clamping claw oil cylinder, the clamping device further comprises two clamping oil cylinders positioned on the right side frame, when the automatic line works, a cylinder cover moves backwards from the front end of the automatic line, a screw rod drives a pawl type workpiece conveying belt under the drive of a driving motor, the cylinder cover is conveyed backwards in one direction under the action of the pawl, when the cylinder cover is conveyed between two numerical control machine tools of each group, the feeding oil cylinder pushes the cylinder cover leftwards to enable the positioning pin to enter two positioning holes on the cylinder cover, the clamping device clamps the cylinder cover, the two numerical control machine tools in each group simultaneously work on the bottom surface and the top surface of the cylinder cover to simultaneously process holes, after the cylinder cover is processed on one group of machine tools, the lower part cylinder pushes the cylinder cover to the right on the pawl type workpiece conveying belt, the driving motor of the screw rod drives the pawl type workpiece conveying belt to convey the cylinder cover to the next group of machine tools to process, further, the lower part of the pawl type workpiece conveying belt is provided with a plurality of rollers, further, one or a plurality of numerical control machine tools on the right side of the cylinder cover conveying belt are obliquely arranged, the axial direction of a drill bit of the numerical control machine tool is obliquely downward, further, eight groups of numerical control machine tools are arranged along the cylinder cover conveying belt, further, one pawl mechanism is arranged corresponding to each group of numerical control machine tools, and one pawl type workpiece conveying belt is arranged at the front part and the rear part of the pawl type workpiece conveying belt, and further, and the pawl type workpiece conveying belt is formed by connecting a plurality of sections; further, the method comprises the steps of, the two locating pins are arranged on the locating pin module, and the locating pin module is detachably connected to the frame.
The invention has the positive and beneficial technical effects that: this transfer machine is when processing the top and bottom surfaces of cylinder cap, from the front end material loading, the finished product is gone out to the rear end, processing once accomplishes, divide work operation and each other noninterference between the multiunit digit control machine tool, a set of two lathe simultaneously process two relative faces, the axial force that the drill bit produced can offset each other, be favorable to the improvement of machining precision, for present multiaxis processing system, the power configuration of each lathe is unrestricted, the in-process rotational speed is fast, high efficiency, the most important lies in the flexibility of this transfer machine, can process the cylinder cap of multiple different models, to the various innovations in the cylinder cap development process, the adaptation that also can be fine is satisfied, adopt one or more digit control machine tool slope to set up can adapt to the processing needs of inclined hole on certain cylinder cap, slope accessible increases wedge connecting seat at basic base mountain and comes convenient realization, pawl work piece conveyer belt in the transportation process, when the slip table drive work piece conveyer belt moves forward, because the conveyer belt surface is less than the backing rail surface, the conveyer belt does not drive the cylinder cap, after the mechanism on the conveyer belt contacts the cylinder cap, pawl and the back is down the horizontal direction, the effect is at the top of the spring, the high-down in the top of the side of the pawl, the high-down carrier head is accomplished at the high-speed, the top end is realized at the time of the high-down, the end of the pawl is carried forward in the end of the operation line, the end is carried forward in the place of the line, the high-down, the cost is finished.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic front view of the present invention.
FIG. 3 is a schematic diagram of a set of numerically controlled machine tools arranged in opposition.
Fig. 4 is a schematic diagram of a mechanism disposed between two numerically-controlled machine tools in the first group.
Fig. 5 is a schematic view of one of the tilt settings in one of the set of numerically controlled machine tools.
Fig. 6 is a schematic diagram showing a detent mechanism at the front of the transfer line.
Fig. 7 is a schematic view of a left-right cross section of a conveyor line at a pallet.
Fig. 8 is a schematic view of a dowel.
Description of the embodiments
In order to more fully explain the practice of the invention, examples of the practice of the invention are provided. These examples are merely illustrative of the present invention and do not limit the scope of the invention.
The invention will be explained in further detail with reference to the accompanying drawings, in which: 1: a numerical control machine tool I; 2: a second numerical control machine tool; 3: a third numerical control machine tool; 4: a numerical control machine tool IV; 5: a slide; 6: a numerical control sliding table; 7: a cylinder cover conveying line; 8: a frame; 9: a discharging cylinder; 10: a claw pressing oil cylinder; 11: a pressing claw; 12: a loading oil cylinder; 13: a wedge-shaped connecting seat; 14: a pawl; 15: a detent shaft; 16: a limit rod; 17: a spring; 18: a roller; 19: a support rail; 20: a workpiece conveyor belt; 21: a groove; 22: a cylinder cover; 23: a positioning pin; 24: and a locating pin module. The following sliding table is an index control sliding table.
As shown in the drawing, the automatic machining line for the holes on the top and bottom surfaces of the engine cylinder cover comprises a cylinder cover conveying line 7 and a plurality of groups of numerical control machine tools arranged along the cylinder cover conveying line, wherein the numerical control machine tools comprise mechanisms for moving a machining head back and forth in the horizontal direction and moving the machining head left and right in the horizontal direction, a control system is arranged on each numerical control machine tool, each group of numerical control machine tools comprises two numerical control machine tools, eight groups of machine tools are shown in the drawing, and the machine tools 1 and 2 are the machine tools at the forefront end; 3. 4 is a group of machine tools at the rearmost end, two numerical control machine tool processing heads in each group are oppositely arranged at the left side and the right side of a cylinder cover conveying line, the cylinder cover conveying line comprises a numerical control sliding table 6 arranged at the rear end of an automatic line, the numerical control sliding table comprises a screw rod, a servo motor is connected to the screw rod, a nut of the screw rod is connected to or integrated with the sliding table, the screw rod and the servo motor are common transmission mechanisms, not shown in the figure, the sliding table is arranged on a sliding seat 5, a rigid strip-shaped pawl type workpiece conveying belt 7 is fixedly connected to the sliding table, a plurality of pawl mechanisms are arranged on the pawl type workpiece conveying belt at intervals from front to back, each pawl mechanism comprises a pawl 14, each pawl is rotatably arranged in a groove arranged in the middle of the left side and the right side of the pawl type workpiece conveying belt, 21 is shown as a groove, 15 is shown as a pawl shaft, each pawl is rotatably arranged in the groove through the pawl shaft, a limiting rod 16 is arranged below the front part of the pawl in the groove, a spring 17 is arranged in the groove, one end of the spring 17 is connected to the pawl 14, the other end is connected to the groove, when the spring is in a natural state, the head part of the pawl is backwards, the tail part of the pawl is propped against the limiting rod 16, an included angle between the pawl and a horizontal line in the backward direction is an acute angle, two workpiece supporting rails 19 are arranged on the left side and the right side of the pawl type workpiece conveying belt, the upper surface of the two workpiece supporting rails 19 is higher than the upper surface of the pawl type workpiece conveying belt 7, the distance between the two workpiece supporting rails is smaller than the thickness of a cylinder cover, a plurality of rollers are arranged at the lower part of the pawl type workpiece conveying belt, the rollers are shown as rollers, the rollers make the pawl type workpiece conveying belt move linearly, the pawl mechanism is arranged corresponding to each group of numerical control machine tools, one is arranged at the front part and the rear part of the pawl type workpiece conveying belt, the pawl type workpiece conveying belt is formed by connecting multiple sections, a workpiece feeding device, a workpiece discharging device and a clamping device are further arranged in the middle of two numerical control machine tools, the workpiece feeding device, the workpiece discharging device and the clamping device are arranged on a frame 8 between two numerical control machine tools of each group, the workpiece feeding device is a workpiece feeding oil cylinder positioned on the right side of the frame, a workpiece feeding oil cylinder is shown as 12, the workpiece discharging device is a workpiece discharging oil cylinder 9 positioned on the left side of the frame, two positioning pins are further arranged on the left side of the frame 8, one positioning pin is a cylindrical pin, the other positioning pin is a diamond pin, the two positioning pins are arranged on a positioning pin module, the positioning pin module is detachably connected to the frame, and the positioning pins are shown as 23 in the figure; 24 is the locating pin module, adopt the locating pin setting to change the needs that the locating position changed after the cylinder cap variety is changed to the adaptation transfer machine that can be convenient on the locating pin module, increase the flexibility of transfer machine, clamping device, including two pressing claws that are located left frame, 11 in the figure show the pressing claw, the one end of pressing claw is connected with pressing claw hydro-cylinder 19, pressing claw 11 rotates to be connected in the frame, clamping device still includes two pressing cylinder that are located right frame, two pressing cylinder are located right frame lower part, parallel with last hydro-cylinder, pressing cylinder does not show in the figure, when the cylinder cap is pressed tightly, two pressing claws compress tightly the right flank upper portion of cylinder cap, two pressing cylinder compress tightly the right flank lower part of cylinder cap, more optimally, wherein the slope setting of one or more digit control machine tool on cylinder cap transfer machine tool on right side, the axial slope of digit control machine tool drill bit is downwards, slope downwards can be realized through setting up wedge connecting seat under the digit control machine tool, as shown in fig. 5, be provided with the hydraulic pressure station in this transfer machine. The automatic line adopts PLC control, the PLC control is a common control technology at present, the automatic line has mature application on various production lines, and the control of each numerical control machine tool is also a common control technology in the field.
When the automatic line works, the cylinder cover 22 is arranged on the front end of the automatic line, the screw rod drives the pawl type workpiece conveying belt to move backwards under the drive of the driving motor, the cylinder cover is conveyed backwards unidirectionally under the action of the pawl, when the cylinder cover is conveyed between two numerical control machine tools in each group, the cylinder cover is pushed leftwards by the upper cylinder to enable the locating pin to enter two locating holes in the cylinder cover, the cylinder cover is clamped by the clamping device, the two numerical control machine tools in each group simultaneously work on the bottom surface and the top surface of the cylinder cover to process holes, after the cylinder cover is processed on one group of machine tools, the cylinder cover is pushed rightwards by the lower cylinder to the pawl type workpiece conveying belt, and the cylinder cover is conveyed to the next group of machine tools to process by the driving motor action of the screw rod. The automatic line adopts a numerical control sliding table driven by a servo motor, the precision of the numerical control sliding table can reach one wire, and a cylinder cover can be reliably and accurately conveyed to the part of each group of machine tools.
Having described embodiments of the present invention in detail, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the scope and spirit of the invention as defined in the appended claims, and any simple, equivalent changes and modifications to the above examples are intended to be within the scope of the present invention and the invention is not limited to the embodiments as set forth in the specification.
Claims (5)
1. The utility model provides an engine cylinder cap top bottom surface hole processing transfer chain, includes the cylinder cap transfer chain and follows the multiunit digit control machine tool that the cylinder cap transfer chain arranged, including the mechanism that the processing head moved about the horizontal direction and the horizontal direction left and right sides in the digit control machine tool, has control system, its characterized in that on the digit control machine tool: each group of numerical control machine tools comprises two numerical control machine tools, two numerical control machine tool processing heads in each group are oppositely arranged at the left side and the right side of a cylinder cover conveying line, the cylinder cover conveying line comprises a numerical control sliding table arranged at the rear end of an automatic line, the numerical control sliding table comprises a screw rod, a servo motor is connected onto the screw rod, a nut of the screw rod is connected onto or integrated with the sliding table, the sliding table is arranged on a sliding seat, a rigid strip-shaped pawl type workpiece conveying belt is fixedly connected onto the sliding table, a plurality of pawl mechanisms are arranged on the pawl type workpiece conveying belt at intervals from front to back, each pawl mechanism comprises a pawl, the pawl is rotationally arranged in a groove arranged in the middle of the left side and the right side of the pawl type workpiece conveying belt, a limit rod is arranged below the front part of the pawl in the groove, one end of the spring is connected onto the pawl, one end of the spring is connected into the groove, and the spring is in a natural state, the pawl head is backward, the tail is propped against the limiting rod, the included angle between the pawl and the backward horizontal line is an acute angle, two workpiece supporting rails are arranged at the left side and the right side of the pawl type workpiece conveying belt, the upper surfaces of the two workpiece supporting rails are higher than the upper surfaces of the pawl type workpiece conveying belt, the distance between the two workpiece supporting rails is smaller than the thickness of a cylinder cover, an upper piece device, a lower piece device and a clamping device are arranged in the middle of the two numerical control machine tools, the upper piece device, the lower piece device and the clamping device are all arranged on a frame between the two numerical control machine tools in each group, the upper piece device is an upper piece oil cylinder positioned at the right side of the frame, the lower piece device is a lower piece oil cylinder positioned at the left side of the frame, two positioning pins are also arranged at the left side of the frame, one positioning pin is a cylindrical pin, the other positioning pin is a diamond pin, the clamping device comprises two pressing claws positioned on a left side frame, one ends of the pressing claws are connected with pressing claw oil cylinders, the pressing claws are rotationally connected to the frame, the clamping device further comprises two pressing oil cylinders positioned on a right side frame, when the automatic line works, a cylinder cover is arranged on the front end of the automatic line, a screw rod drives a pawl type workpiece conveying belt to move backwards under the driving of a driving motor, the cylinder cover is conveyed to the back direction in one direction under the action of a pawl, when the cylinder cover is conveyed between two numerical control machine tools of each group, the cylinder cover is pushed to the left by the upper part oil cylinders to enable positioning pins to enter two positioning holes on the cylinder cover, the cylinder cover is clamped by the clamping device, the two numerical control machine tools in each group simultaneously work on the bottom surface and the top surface of the cylinder cover to perform hole processing operation, and after the cylinder cover is processed on one group of machine tools, the cylinder cover is pushed to the right by a lower part oil cylinder to the pawl type workpiece conveying belt, and the cylinder cover is driven by the driving motor of the screw rod to convey the cylinder cover to the pawl type workpiece conveying belt to the next group of machine tools to process; the lower part of the pawl type workpiece conveying belt is provided with a plurality of rollers; one or more numerical control machine tools on the right side of the cylinder cover conveying line are obliquely arranged, and the axial direction of a drill bit of the numerical control machine tool is obliquely downward.
2. The automatic engine cylinder head top and bottom surface hole machining line according to claim 1, wherein: eight groups of numerical control machine tools are arranged along the cylinder cover conveying line.
3. The automatic engine cylinder head top and bottom surface hole machining line according to claim 1, wherein: the pawl mechanism is arranged corresponding to each group of numerical control machine tools, and one pawl mechanism is arranged at the front part and the rear part of the pawl type workpiece conveying belt respectively.
4. The automatic engine cylinder head top and bottom surface hole machining line according to claim 1, wherein: the pawl type workpiece conveying belt is formed by connecting multiple sections.
5. The automatic engine cylinder head top and bottom surface hole machining line according to claim 1, wherein: the two locating pins are arranged on the locating pin module, and the locating pin module is detachably connected to the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711125681.4A CN107671328B (en) | 2017-11-15 | 2017-11-15 | Automatic line for machining holes on top and bottom surfaces of engine cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711125681.4A CN107671328B (en) | 2017-11-15 | 2017-11-15 | Automatic line for machining holes on top and bottom surfaces of engine cylinder cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107671328A CN107671328A (en) | 2018-02-09 |
| CN107671328B true CN107671328B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711125681.4A Active CN107671328B (en) | 2017-11-15 | 2017-11-15 | Automatic line for machining holes on top and bottom surfaces of engine cylinder cover |
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| CN (1) | CN107671328B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125580A (en) * | 2019-05-14 | 2019-08-16 | 中国汽车工业工程有限公司 | A kind of piece uploading slide table frock Split Positioning mechanism |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB317872A (en) * | 1928-05-22 | 1929-08-22 | Frank Hedley Evans | Improvements in, or relating to, work supporting means for drilling and other machine tools |
| US3157091A (en) * | 1961-12-18 | 1964-11-17 | Michigan Tool Co | Feed mechanism |
| JP4166440B2 (en) * | 2001-03-30 | 2008-10-15 | 株式会社日平トヤマ | Work carry-out device in machine tool |
| CN202845933U (en) * | 2012-10-19 | 2013-04-03 | 石家庄博思特非标设备制造有限公司 | Automatic milling machine used for piston casting head |
| CN103143973A (en) * | 2013-03-04 | 2013-06-12 | 盐城市朗力机械有限公司 | Automatic conveyor line for engine cylinder |
| CN103406558B (en) * | 2013-07-30 | 2016-05-25 | 江苏新贝斯特中传科技有限公司 | A kind of cylinder sleeve precision bored hole special plane |
| CN106166622B (en) * | 2016-09-14 | 2018-10-09 | 安徽工程大学 | Engine cylinder cover bores inclined oil hole of air processing clamping device and processing method |
| CN206550730U (en) * | 2017-03-13 | 2017-10-13 | 邱继焱 | A kind of mechanical detent conveying mechanism |
| CN207414405U (en) * | 2017-11-15 | 2018-05-29 | 安阳三一机械有限公司 | Engine cylinder cover top bottom surface hole machined transfer matic |
-
2017
- 2017-11-15 CN CN201711125681.4A patent/CN107671328B/en active Active
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Effective date of registration: 20230522 Address after: Room 18, Floor 15, UAV Building, southeast corner of the intersection of Zhonghua Road and Chuangye Avenue, Beiguan District, Anyang City, Henan Province, 455000 Applicant after: Sany Intelligent Equipment (Anyang) Co.,Ltd. Address before: 455000 west of the north section of Jinggang East Road, high tech Zone, Anyang City, Henan Province Applicant before: ANYANG SANYI MACHINERY CO.,LTD. |
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