CN110962064A - Blocking and positioning device - Google Patents
Blocking and positioning device Download PDFInfo
- Publication number
- CN110962064A CN110962064A CN201911247682.5A CN201911247682A CN110962064A CN 110962064 A CN110962064 A CN 110962064A CN 201911247682 A CN201911247682 A CN 201911247682A CN 110962064 A CN110962064 A CN 110962064A
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- carrier
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- positioning mechanism
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a blocking and positioning device, relates to the technical field of air conditioner manufacturing, and solves the technical problem that a positioning tool in the prior art cannot accurately position small materials. The blocking and positioning device comprises a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism is used for positioning the front and the rear, the left side and the right side of a carrier carrying materials; the second positioning mechanism is used for positioning the upper part and the lower part of the carrier. The blocking and positioning device can realize the positioning of the front, the rear, the left side, the right side, the upper side and the lower side of the carrier through the action of the first positioning mechanism and the second positioning mechanism, namely realize the omnibearing positioning of the carrier, thereby realizing the accurate positioning of the material to be assembled carried on the carrier.
Description
Technical Field
The invention relates to the technical field of air conditioner manufacturing, in particular to a blocking and positioning device.
Background
In the production of the air conditioner industry at present, when assembling products with smaller materials, the problem of difficult positioning is faced. At present, the material assembling and positioning tool in the air conditioner manufacturing industry is divided into two types: firstly, a blocking mechanism is designed on a production line, materials to be assembled flow to a specific position and cannot move forward to complete positioning, but the positioning mode has the problem of large error; and secondly, jacking positioning needs to be matched with a material carrier for use, but when jacking, the problems of high error rate and inaccurate positioning exist, and automatic assembly is difficult to realize.
Therefore, in the face of the strict quality requirement of the air conditioning industry, providing a positioning device with accurate positioning becomes a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention provides a blocking and positioning device, which solves the technical problem that a positioning tool in the prior art cannot accurately position small materials. The various technical effects that can be produced by the preferred technical solution of the present invention are described in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
the blocking and positioning device comprises a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism is used for positioning the front and the rear, the left side and the right side of a carrier carrying materials; the second positioning mechanism is used for positioning the upper part and the lower part of the carrier.
According to a preferred embodiment, the first positioning mechanism comprises a first positioning component and a second positioning component, and the first positioning component and the second positioning component respectively comprise two fixing columns which are positioned in front of and behind the carrier fixing panel.
According to a preferred embodiment, the fixing column is of an L-shaped structure and blocks the carrier from moving forward, backward, leftward and/or rightward by abutment of a vertical face of the L-shaped structure with the carrier.
According to a preferred embodiment, the first positioning mechanism blocks the vehicle from moving forwards and/or backwards by abutting vertical faces of the fixing column opposite to the front and the back of the vehicle with the vehicle; the first positioning mechanism blocks the carrier from moving leftwards and/or rightwards through the abutting of vertical surfaces of the fixing column, which are opposite to the left side and the right side of the carrier, and the carrier.
According to a preferred embodiment, the first positioning mechanism further comprises a first air cylinder, the first air cylinder is fixed on the first air cylinder fixing frame, and the first air cylinder is used for driving the first positioning assembly and the second positioning assembly to move up and down.
According to a preferred embodiment, the first positioning mechanism further comprises a second air cylinder and a third air cylinder, wherein the second air cylinder is used for driving the two fixing columns positioned on the right side of the carrier fixing panel to move rightwards; the third cylinder is used for driving the two fixing columns on the left side of the carrier fixing panel to move leftwards.
According to a preferred embodiment, the first positioning mechanism further comprises a photoelectric sensor, the photoelectric sensor is mounted on the assembly line device, and the position of the carrier is monitored through the photoelectric sensor.
According to a preferred embodiment, the second positioning mechanism comprises a carrier fixing panel and a fourth cylinder, wherein the carrier fixing panel is located below the assembly line device, and the fourth cylinder is used for driving the carrier fixing panel to move upwards.
According to a preferred embodiment, the fourth cylinder drives the carrier fixing panel to move upward below the carrier, and stops the carrier from moving downward by the abutment of the carrier fixing panel with the lower surface of the base plate of the carrier, and stops the carrier from moving upward by the abutment of the lateral surface of the fixing column opposite to the upper surface of the base plate with the upper surface of the base plate.
According to a preferred embodiment, the fourth cylinder is fixed to a frame fixing plate, the frame fixing plate is located below the carrier fixing panel, and the frame fixing plate is supported by a fixing plate supporting column.
The blocking and positioning device provided by the invention at least has the following beneficial technical effects:
according to the blocking and positioning device, the front and the rear, the left side and the right side of the carrier carrying materials are positioned through the first positioning mechanism, and the upper and the lower parts of the carrier are positioned through the second positioning mechanism, so that the front, the rear, the left side, the right side, the upper and the lower parts of the carrier are positioned, that is, the carrier is positioned in all directions, and the materials to be assembled carried on the carrier are accurately positioned. This block positioner promptly and solved the not accurate problem of little material location that location frock exists among the prior art.
In addition, the preferred technical scheme of the invention can also produce the following technical effects:
according to the preferred technical scheme of the invention, the carrier is prevented from moving forwards, backwards, leftwards and/or rightwards by abutting the vertical surface of the L-shaped structure against the carrier, and the carrier is prevented from moving upwards by abutting the transverse surface of the L-shaped structure against the carrier, namely, the carrier can be positioned in all directions by the fixing column of the L-shaped structure. On the other hand, the positioning of different directions of the carrier is realized through the same structure, the positioning error can be reduced to the maximum extent, and the positioning precision is improved. Specifically, the blocking and positioning device in the preferred technical scheme of the invention has the positioning error which can be controlled within 2mm, and is suitable for positioning small materials which can be automatically assembled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a preferred embodiment of the barrier positioning apparatus of the present invention;
FIG. 2 is a first schematic view of a first positioning mechanism of the present invention;
FIG. 3 is a second schematic view of the first positioning mechanism of the present invention;
FIG. 4 is a schematic view of a second positioning mechanism of the present invention;
FIG. 5 is a first schematic view of the vehicle of the present invention;
fig. 6 is a second schematic view of the vehicle of the present invention.
In the figure: 1-a base; 2-a fourth cylinder; 3-fixing the plate support column; 4-frame support columns; 5-frame fixing plate; 6-up and down motion track; 7-carrier fixing panel; 8-fixing the column; 9-a first cylinder mount; 10-left and right movement track; 11-a first cylinder; 12-a second cylinder; 13-a third cylinder; 14-a carrier; 15-a base plate; 16-a first fixed column; 17-a second fixed column; 18-a third fixed column; 19-a fourth fixed column; 20-a clamping part; 21-a first vertical plane; 22-a second vertical face; 23-transverse plane.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The blocking and positioning device of the present embodiment will be described in detail with reference to fig. 1 to 6.
The blocking and positioning device comprises a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism is used for positioning the front and the rear, and the left and the right of a carrier 14 carrying materials; the second positioning mechanism is used for positioning the upper and lower sides of the carrier 14.
Preferably, the blocking and positioning device of the embodiment is arranged below a to-be-assembled station of the to-be-assembled material, the blocking and positioning device is arranged in the middle of the production line, the carrier 14 is used for carrying the to-be-assembled material, the to-be-assembled material is carried by the carrier 14 and moved to the to-be-assembled station, and meanwhile, the carrier 14 is positioned by the blocking and positioning device of the invention.
Fig. 5 and 6 show a schematic view of a preferred embodiment of the carrier. The base plate 15 of the carrier 14 is disposed on the line production apparatus. Preferably, the base 15 of the carrier 14 is similar to an i-shape. The four corners of the bottom plate 15 are provided with clamping portions 20. More preferably, the clamping portion 20 has a right-angled structure. The first positioning mechanism and the second positioning mechanism are disposed in the clamping portions 20, that is, the distance between the first fixing column 16 and the second fixing column 17 and the distance between the third fixing column 18 and the fourth fixing column 19 are not greater than the distance between the two clamping portions 20, so as to position the front, the rear, the left, the right, the upper and the lower of the carrier 14 through the movement of the first positioning mechanism and the second positioning mechanism.
The stop positioning device of this embodiment fixes a position the place ahead and the rear, and left side and the right side of the carrier 14 that carries on the material through first positioning mechanism, fixes a position the top and the below of carrier 14 through second positioning mechanism to realize the location of the place ahead, rear, left side, right side, top and the below of carrier 14, realize the all-round location of carrier 14 promptly, thereby realize the accurate location to the material of waiting to assemble that carries on carrier 14. This block positioner promptly and solved the not accurate problem of little material location that location frock exists among the prior art.
According to a preferred embodiment, the first positioning means comprise a first positioning assembly and a second positioning assembly, which respectively comprise two fixing posts 8 located in front of and behind the vehicle fixing panel 7. As shown in fig. 1, the first positioning assembly includes a first fixing post 16 and a second fixing post 17 located in front of the carrier fixing panel 7, and the second positioning assembly includes a third fixing post 18 and a fourth fixing post 19 located behind the carrier fixing panel 7. The front of the carrier fixing panel 7 is the running direction of the carrier 14 on the production line.
Preferably, the fixing column 8 is of an L-shaped structure, and blocks the carrier 14 from moving forward, backward, leftward and/or rightward by the abutment of the vertical surface of the L-shaped structure with the carrier 14. More preferably, the first positioning mechanism blocks the forward and/or backward movement of the carrier 14 by abutment of the fixed post 8 with the carrier 14 on the vertical faces (such as the first vertical face 21 shown in fig. 1) opposite to the front and rear of the carrier 14. The first positioning mechanism blocks the vehicle 14 from moving to the left and/or right by abutment of the fixed post 8 with the vehicle 14 on the vertical faces opposite the left and right sides of the vehicle 14 (second vertical face 22 as shown in fig. 1).
Specifically, when the first fixing column 16 and the second fixing column 17, and the third fixing column 18 and the fourth fixing column 19 rise to the first vertical surface 21 and abut against one side of the clamping portion 20 of the bottom plate 15, the front and the rear of the carrier 14 can be positioned. In the preferred embodiment, the abutment means that the first vertical surface 21 of the fixing post 8 is completely in contact with one side of the engaging portion 20 of the bottom plate 15, or that no gap is formed between the first vertical surface 21 of the fixing post 8 and one side of the engaging portion 20 of the bottom plate 15. Meanwhile, when the second vertical surfaces 22 of the first fixing column 16 and the second fixing column 17, and the third fixing column 18 and the fourth fixing column 19 are abutted against the other side of the clamping part 20 of the bottom plate 15, the left side and the right side of the carrier 14 can be positioned.
Preferably, the first positioning mechanism further comprises a first air cylinder 11, the first air cylinder 11 is fixed on the first air cylinder fixing frame 9, and the first air cylinder 11 is used for driving the first positioning assembly and the second positioning assembly to move up and down, as shown in fig. 1 or fig. 2. When the carrier 14 runs to a station to be assembled, the first fixing column 16 and the second fixing column 17, and the third fixing column 18 and the fourth fixing column 19 in the preferred technical scheme of the embodiment rise upwards under the action of the first cylinder 11, and the carrier 14 can be prevented from continuing to move forwards through the action of the first fixing column 16 and the second fixing column 17, so that the front positioning of the carrier 14 is completed; the third fixing column 18 and the fourth fixing column 19 can prevent the carrier 14 from reflowing, and the rear positioning of the carrier 14 is completed.
Preferably, the first positioning mechanism further comprises a second cylinder 12 and a third cylinder 13, as shown in fig. 3. The second air cylinder 12 is used for driving the two fixed columns 8 positioned on the right side of the carrier fixed panel 7 to move rightwards; the third cylinder 13 is used for driving the two fixing columns 8 positioned on the left side of the carrier fixing panel 7 to move leftwards. Specifically, the second cylinder 12 is used for driving the first fixing column 16 and the third fixing column 18 to move rightwards, and the third cylinder 13 is used for driving the second fixing column 17 and the fourth fixing column 19 to move leftwards. After the positioning of the front and the rear of the carrier 14 is completed, the second cylinder 12 and the third cylinder 13 respectively drive the first fixing column 16 and the third fixing column 18, the second fixing column 17 and the fourth fixing column 19 to move towards the direction close to the clamping portion 20 of the bottom plate 15, and the positioning of the right side and the left side of the carrier 14 can be realized through the clamping of the right angle of the fixing column 8 and the clamping portion 20.
According to a preferred embodiment, the first positioning mechanism further comprises an up-and-down moving rail 6, the up-and-down moving rail 6 is connected with the fixed column 8 through a first air cylinder fixing frame 9, and the fixed column 8 is driven to move up and down through the up-and-down movement of the first air cylinder fixing frame 9. The fixed column 8 is also connected with the left and right movement tracks 10, and the fixed column 8 is driven by the second air cylinder 12 and the third air cylinder 13 to move left and right on the left and right movement tracks 10. The blocking and positioning device of the preferred technical scheme of the embodiment sets the fixing column 8 to be of a structure capable of moving up and down and moving left and right, and is high in space utilization rate.
According to a preferred embodiment, the first positioning mechanism further comprises a photoelectric sensor mounted on the assembly line device and used for monitoring the position of the carrier 14. Preferably, the photoelectric sensor is installed on the assembly line device in a position parallel to the blocking and positioning device, and when the photoelectric sensor detects that the carrier 14 moves to the position above the blocking and positioning device on the assembly line device, the photoelectric sensor triggers the first positioning assembly to lift, so that the carrier 14 is blocked to move forward, and then the second positioning assembly lifts, so that the carrier 14 is fixed, and the carrier 14 is prevented from flowing backwards.
According to a preferred embodiment, the second positioning mechanism comprises a carrier fixing panel 7 and a fourth cylinder 2, wherein the carrier fixing panel 7 is located below the pipelining device, and the fourth cylinder 2 is used for driving the carrier fixing panel 7 to move upwards, as shown in fig. 1 or fig. 4. Preferably, the fourth cylinder 2 drives the carrier fixing panel 7 to move upward below the carrier 14, and stops the carrier 14 from moving downward by the abutment of the carrier fixing panel 7 against the lower surface of the base plate 15 of the carrier 14, and stops the carrier 14 from moving upward by the abutment of the fixing post 8 against the lateral surface 23 of the base plate 15 against the upper surface of the base plate 15. Preferably, the fourth cylinder 2 is fixed on a frame fixing plate 5, the frame fixing plate 5 is located below the carrier fixing panel 7, and the frame fixing plate 5 is supported by the fixing plate supporting columns 3.
After the positioning of the front and the rear, the left side and the right side of the carrier 14 is completed, the carrier fixing panel 7 rises upwards under the action of the fourth cylinder 2 until the carrier fixing panel 7 contacts with the lower surface of the bottom plate 15, so that the fixing below the carrier 14 is realized, and meanwhile, the transverse edge of the L-shaped structure is abutted against the upper surface of the bottom plate 15, so that the fixing above the carrier 14 is realized.
According to a preferred embodiment, the blocking and positioning device of the embodiment performs the positioning of the front and the back, the left and the right, the upper and the lower of the material to be assembled by the following steps: when the material to be assembled is placed on the carrier 14, and the carrier 14 carries the material to be assembled and runs to the station to be assembled, the blocking and positioning device of the embodiment positions the front of the carrier 14 through the first fixing column 16 and the second fixing column 17, blocks the carrier 14 from continuing to move forward, positions the rear of the carrier 14 through the third fixing column 18 and the fourth fixing column 19, and prevents the carrier 14 from flowing backwards. After the front and rear of the carrier 14 are positioned, the blocking and positioning device of the present embodiment moves to both sides through the fixing posts 8 of the L-shaped structure, thereby completing the positioning of both sides of the carrier 14. After the two sides of the carrier 14 are positioned, the carrier fixing panel 7 is lifted upwards to complete the positioning below the carrier 14, and meanwhile, the transverse surface 23 of the L-shaped structure is abutted against the upper surface of the bottom plate 15 to complete the positioning above the carrier 14. Namely, the blocking and positioning device of the present embodiment positions the carrier 14 in all directions to complete the positioning of the material to be assembled in all directions. The stop positioning device of this embodiment treats the location of assembling the material accurate, and positioning error is within 2mm, can provide the guarantee for waiting to assemble the automatic assembly of material. The blocking and positioning device solves the positioning problem in small material assembly.
According to a preferred embodiment, the operation steps of the blocking positioning device of this embodiment are as follows: the normal assembly of the materials is conveniently completed, the assembly line is always in a flowing state, and the initial state of the first positioning mechanism is in a closed state, namely below the assembly line device; the initial state of the second positioning mechanism is a closed state, namely the topmost end of the positioning device is blocked from being arranged below the assembly line device. When the carrier 14 reaches a specific position, the photoelectric switch is triggered to link the first positioning mechanism to lift, the first positioning assembly prevents the carrier 14 from moving forward, and the second positioning assembly simultaneously triggers the lifting action to prevent the carrier 14 from flowing backwards. Then, the fixing post 8 moves towards two sides, and two adjacent vertical surfaces of the fixing post 8 abut against the clamping portion 20 of the bottom plate 15. The second positioning mechanism then acts to jack up the carrier 14, completing the positioning below the carrier 14, and simultaneously the buckle at the top end of the fixed column 8 is clamped with the upper surface of the bottom plate 15, completing the positioning above the carrier 14. Therefore, the carrier 14 can be positioned in all directions, and the materials to be assembled can be accurately and automatically assembled.
The stop positioning device of this embodiment fixes a position accurately, and in the error 2mm, applicable in the location problem of the most little material that can assemble automatically, have simple manufacture, the high advantage of cyclic utilization rate. The blocking and positioning device of the embodiment particularly solves the problem that automatic assembly cannot be realized due to inaccurate positioning in the automatic assembly process of the rotating parts of the J cabinet machine.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A blocking and positioning device is characterized by comprising a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism is used for positioning the front and the rear, and the left and the right of a carrier (14) for carrying materials; the second positioning mechanism is used for positioning the upper part and the lower part of the carrier (14).
2. A stop positioning device according to claim 1, characterized in that said first positioning means comprise a first positioning assembly and a second positioning assembly comprising respectively two fixing posts (8) located in front of and behind the vehicle fixing panel (7).
3. The stop-and-go device according to claim 2, characterized in that the fixing column (8) is of L-shaped configuration and blocks the carrier (14) from moving forward, backward, left and/or right by abutment of the vertical face of the L-shaped configuration with the carrier (14).
4. The blocking and positioning device according to claim 3, characterized in that said first positioning means block the forward and/or backward movement of said vehicle (14) by abutment of the vertical faces of said fixed post (8) opposite to the front and rear of said vehicle (14) with said vehicle (14);
the first positioning mechanism blocks the carrier (14) from moving leftwards and/or rightwards through the abutting of vertical surfaces of the fixed column (8) opposite to the left side and the right side of the carrier (14) and the carrier (14).
5. A stop positioning device according to claim 2, wherein said first positioning mechanism further comprises a first air cylinder (11), said first air cylinder (11) is fixed on a first air cylinder fixing frame (9), and said first air cylinder (11) is used for driving said first positioning component and said second positioning component to move up and down.
6. A barrier positioning device according to claim 2, wherein the first positioning mechanism further comprises a second cylinder (12) and a third cylinder (13), wherein,
the second air cylinder (12) is used for driving the two fixing columns (8) positioned on the right side of the carrier fixing panel (7) to move rightwards; the third air cylinder (13) is used for driving the two fixing columns (8) positioned on the left side of the carrier fixing panel (7) to move leftwards.
7. A barrier positioning device according to claim 2, wherein said first positioning mechanism further comprises a photoelectric sensor mounted on the line device and by means of which the position of the carrier (14) is monitored.
8. The stop-and-go device according to claim 1, characterized in that the second positioning mechanism comprises a carrier fixing panel (7) and a fourth cylinder (2), wherein the carrier fixing panel (7) is located below the pipelining device and the fourth cylinder (2) is used to drive the carrier fixing panel (7) to move upwards.
9. A stop positioning device according to claim 8, characterized in that said fourth cylinder (2) drives said vehicle fixing panel (7) to move upwards under said vehicle (14),
the carrier (14) is stopped from moving downwards by the abutting of the carrier fixing panel (7) and the lower surface of the bottom plate (15) of the carrier (14), and the carrier (14) is stopped from moving upwards by the abutting of a transverse surface (23) of a fixing column (8) opposite to the upper surface of the bottom plate (15) and the upper surface of the bottom plate (15).
10. The stop positioning device according to claim 8, wherein the fourth cylinder (2) is fixed on a frame fixing plate (5), the frame fixing plate (5) is located below the carrier fixing panel (7), and the frame fixing plate (5) is supported by a fixing plate supporting column (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247682.5A CN110962064A (en) | 2019-12-09 | 2019-12-09 | Blocking and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247682.5A CN110962064A (en) | 2019-12-09 | 2019-12-09 | Blocking and positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110962064A true CN110962064A (en) | 2020-04-07 |
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ID=70033344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911247682.5A Pending CN110962064A (en) | 2019-12-09 | 2019-12-09 | Blocking and positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110962064A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643305A (en) * | 2020-11-10 | 2021-04-13 | 格力电器（郑州）有限公司 | Automatic assembling equipment and method for columnar piece |
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| CN112643305A (en) * | 2020-11-10 | 2021-04-13 | 格力电器（郑州）有限公司 | Automatic assembling equipment and method for columnar piece |
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