CN104625690A - Horizontal feeding and vertical pressing method for piston and rod assembly - Google Patents
Horizontal feeding and vertical pressing method for piston and rod assembly Download PDFInfo
- Publication number
- CN104625690A CN104625690A CN201510013701.3A CN201510013701A CN104625690A CN 104625690 A CN104625690 A CN 104625690A CN 201510013701 A CN201510013701 A CN 201510013701A CN 104625690 A CN104625690 A CN 104625690A
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- piston
- rod assembly
- auxiliary sleeve
- vertical
- horizontal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/021—Railroad wheels on axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/04—Connecting rods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a horizontal feeding and vertical pressing method for a piston and rod assembly. The horizontal feeding and vertical pressing method for the piston and rod assembly is characterized by comprising the steps that the piston and rod assembly is arranged in a piston assembly auxiliary sleeve, and a cylinder body is horizontally placed according to the fact that the central axis of a piston hole is vertical; a horizontal material hanging positioning plate is used for enabling the piston and rod assembly and the piston assembly auxiliary sleeve to be overall hung over the cylinder body, and the central axis of the piston hole of the cylinder body and the central axis of the piston and rod assembly are made to coincide and are perpendicular to the horizontal face; the horizontal material hanging positioning plate and the piston assembly auxiliary sleeve are moved downwards until the lower end of the piston assembly auxiliary sleeve makes contact with the top face of the cylinder body; then force is applied to the upper end of the piston and rod assembly, the piston and rod assembly is disengaged from the piston assembly auxiliary sleeve, the piston and rod assembly 2 is pressed downwards into the piston hole of the cylinder body, and a connecting rod hole of a connecting rod and a connecting rod neck of a crankshaft are made to be matched. The piston and rod assembly is always in a vertical state in the whole pressing process, collision is avoided, assembling is convenient, positioning is accurate, the assembling quality is improved, and labor intensity is lowered.
Description
Technical field
The invention belongs to automobile engine assembling field, relating to a kind of Piston and rod assembly vertical assembling of cylinder crankshaft (piston rod with) the vertical pressing method of straight feeding, is horizontal feed and the vertical technical combinations press-fited.
Background technology
At the mounting technology of existing engine piston connecting rod and cylinder crankshaft, all that cylinder body is shelved by piston hole axis horizontal direction, assembly crewman is in the both sides of cylinder body, at cylinder deck here, Piston and rod assembly being loaded piston assists in installation sleeve, and by guide means guide, cylinder piston connecting rod ASSY is loaded cylinder body, dismantle guiding device more on one side in addition, because guiding device is not ideal enough, the factors such as manual operation etc. are complicated, in assembling process, the major part of connecting rod, certain friction is had by with cylinder piston hole, with the assembling of bent axle in have certain colliding with, handling link is too much, quality is not allowed to control, work greatly powerful, not easily mechanization is assembled automatically, badly influence assembly quality and speed, the development of restriction production capacity.
Summary of the invention
The invention provides the vertical pressing method of a kind of Piston and rod assembly straight feeding, deal with problems as follows: 1. solve existing assembly method and have that assembling is complicated, efficiency of assembling is low, the problem of easy wearing part in assembling process; 2. solve manual assembly, cause the problem that efficiency of assembling is low, assembly quality is poor; 3, for Automated assembly beats next basis.
The technical scheme solved the problems of the technologies described above is: the vertical pressing method of Piston and rod assembly straight feeding, and concrete steps are as follows:
(1) Piston and rod assembly is loaded in Piston assembling auxiliary sleeve, cylinder body is in vertical-horizontal by piston hole axis and shelves;
It is characterized in that:
(2) by horizontal bridging location-plate, Piston and rod assembly and Piston assembling auxiliary sleeve entirety are hung on directly over cylinder body, located on horizontal bridging location-plate by Piston assembling auxiliary sleeve, the axis in cylinder piston hole is overlapped with the axis of Piston and rod assembly and perpendicular to horizontal plane;
(3) horizontal bridging location-plate be above provided with vertical press-loading device, horizontal bridging location-plate and vertical press-loading device are arranged on upper and lower driving mechanism, by upper and lower driving mechanism, vertical press-loading device, horizontal bridging location-plate and Piston assembling auxiliary sleeve are moved down, until the lower end of Piston assembling auxiliary sleeve contacts with cylinder deck;
(4) then, forced in the upper end of Piston and rod assembly by vertical press-loading device, Piston and rod assembly departs from Piston assembling auxiliary sleeve, and Piston and rod assembly presses downward in cylinder piston hole, and the tie rod holes of connecting rod and the connecting rod neck of bent axle are coincide.
Beneficial effect of the present invention:
1, because the present invention adopts vertically to press-fit, Piston and rod assembly whole press-fit in process keep vertical state always, the connecting rod on it is being subject to, in gravitational situation, can not doing any rotation, friction can not be produced to the piston hole of cylinder body, also can not produce bent axle and collide with;
2, save installation time, because the present invention is without any guider, therefore save the disassembly and assembly time of guider;
3, without any guider, the secondary assembling injury of connecting-rod bolts and bolt hole is just decreased;
4, owing to being automatic assembling, decrease that artificial assembling produces collide with, scratch, the unfavorable factor of press-in speed etc.;
5, owing to using institute's applied pressure can be vertical press-loading device, can control rate and stroke, when crank pin end pore is close to crank-shaft link neck, speed reduces, control stroke simultaneously, making the gap retaining 0.3-0.5mm between crank pin end pore and crank-shaft link neck, accomplishing completely without colliding with;
6, due in vertical position, make can become a reality at bottom Auto-mounting connecting rod FE Tiler.
Accompanying drawing explanation
Fig. 1 is assembly method schematic diagram of the present invention.
Fig. 2 is the structure chart of Piston assembling auxiliary sleeve in the present invention.
Fig. 3 is the first structural front view of horizontal bridging location-plate in the present invention.
Fig. 4 is the first structure top view of horizontal bridging location-plate in the present invention.
Fig. 5 is the second structure top view of horizontal bridging location-plate in the present invention.
Fig. 6 is the front view of the specific embodiment of the invention one.
Fig. 7 is the side view of the specific embodiment of the invention one.
Fig. 8 is the front view of the specific embodiment of the invention two.
Fig. 9 is the side view of the specific embodiment of the invention two.
In figure: 100 is cylinder crankshaft assembly; 1 is horizontal bridging location-plate; 2 is Piston and rod assembly, and 3 is Piston assembling auxiliary sleeve; 4 connecting plates; 5 is pressure head; 6 is framework; 7 is motor output gear; 8 is electrode support; 9 is bearing; 10 is gear screw; 11 is leading screw; 12 for press-fiting drive motors; 13 for moving up and down driving cylinder; 14 is sliding shoe; 15 is guide post; 16 is the line slideway auxiliary of vertical direction; 17 is L-type gripper shoe; 18 is bracing frame; 19 is the line slideway auxiliary of horizontal direction.
Detailed description of the invention
Below, the present invention is further described by reference to the accompanying drawings as follows.
Composition graphs 1 describes the vertical pressing method of inventive piston connecting rod ASSY straight feeding: loaded by Piston and rod assembly 2 in Piston assembling auxiliary sleeve 3, cylinder body 100 is in vertical-horizontal by piston hole axis and shelves; By horizontal bridging location-plate 1, Piston and rod assembly and Piston assembling auxiliary sleeve entirety are hung on directly over cylinder body 100, the axis in cylinder piston hole are overlapped with the axis of Piston and rod assembly 2 and perpendicular to horizontal plane; Horizontal bridging location-plate 1 and Piston assembling auxiliary sleeve 3 are moved down, until the lower end of Piston assembling auxiliary sleeve 3 contacts with cylinder deck; Then force in the upper end of Piston and rod assembly, Piston and rod assembly 2 departs from Piston assembling auxiliary sleeve 3, and Piston and rod assembly 2 presses downward in cylinder piston hole, and the tie rod holes of connecting rod and the connecting rod neck of bent axle are coincide.
As shown in Figure 2, the endoporus of Piston assembling auxiliary sleeve 3 is loading locating holes of Piston and rod assembly 2; Difference from prior art, its outer axle journal is a multidiameter neck.
The first structure of horizontal bridging location-plate in the present invention as shown in Figure 3, Figure 4: horizontal bridging location-plate 1 is provided with a U-shaped gathering sill 101, the bottom of U-shaped gathering sill is provided with step location vestibule 102, step location vestibule 102 is corresponding to Piston assembling auxiliary sleeve 3, the opening size of U-shaped gathering sill 101 and the diameter of Piston assembling auxiliary sleeve 3 coincide, and play support and guiding function.
Be the second structure of horizontal bridging location-plate in the present invention as shown in Figure 5: be with the first difference: horizontal bridging location-plate 1 is provided with multiple U-shaped gathering sill 101, the bottom of U-shaped gathering sill is provided with step location vestibule 102.The quantity of U-shaped gathering sill 101 is identical with the quantity of installation cavity on cylinder body, is convenient to once multiple Piston and rod assembly and Piston assembling auxiliary sleeve entirety are hung on directly over cylinder body, realizes press-fiting successively, raises the efficiency.
Shown in composition graphs 6, Fig. 7, describe the first embodiment of the present invention (single station bridging) as follows: the vertical pressing method of Piston and rod assembly straight feeding, concrete steps are as follows:
(1) Piston and rod assembly 2 is loaded in Piston assembling auxiliary sleeve 3, cylinder body 100 is in vertical-horizontal by piston hole axis and shelves;
(2) by the horizontal bridging location-plate 1 shown in Fig. 3, Fig. 4, a Piston and rod assembly 2 and Piston assembling auxiliary sleeve 3 entirety are hung on directly over cylinder body, located on horizontal bridging location-plate 1 by Piston assembling auxiliary set 3, the axis of cylinder body 100 piston hole is overlapped with the axis of Piston and rod assembly 2 and perpendicular to horizontal plane;
(3) horizontal bridging location-plate be above provided with vertical press-loading device, horizontal bridging location-plate and vertical press-loading device are arranged on upper and lower driving mechanism, by upper and lower driving mechanism, vertical press-loading device, horizontal bridging location-plate 1 and Piston assembling auxiliary sleeve 3 are moved down, until the lower end of Piston assembling auxiliary sleeve contacts with cylinder deck;
(4) then, forced in the upper end of Piston and rod assembly by vertical press-loading device, Piston and rod assembly departs from Piston assembling auxiliary sleeve, and Piston and rod assembly presses downward in cylinder piston hole, and the tie rod holes of connecting rod and the connecting rod neck of bent axle are coincide.
As shown in Figure 6, Figure 7, the structure of vertical press-loading device: comprise framework 6, framework 6 is connectors, horizontal bridging location-plate 1 is installed in its lower end, top is provided with electrode support 8 and two guide posts 15, bearing 9 is arranged on framework 6, for fixed gear screw 10, leading screw 11 is supporting with screw 10, pressure head 5 is installed in leading screw 11 lower end, and leading screw 11 upper end is connected with sliding shoe 14, and sliding shoe 14 is upper and lower rectilinear motion under the control of guide post 15, the installing hole of sliding shoe 14 is provided with flat key between leading screw 11, the rotation of restriction leading screw 11; Press-fit drive motors 12 to be arranged on electrode support 8, the output shaft press-fiting drive motors 12 is fixed with output gear 7, output gear 7 engages with the external gear on gear screw 10.Vertical press-loading device is connected with upper and lower driving mechanism by the side of framework 6.
As shown in Figure 6, Figure 7, the structure of upper and lower driving mechanism: comprise bracing frame 18, bracing frame 18 is provided with the line slideway auxiliary 16 of vertical direction, and bracing frame top is vertically installed with to move up and down and drives cylinder 13, moves up and down and drives the piston rod of cylinder 13 downward.The framework 6 of vertical press-loading device is supported on the line slideway auxiliary 16 of vertical direction, moving up and down and drive the piston rod of cylinder 13 to be connected with above framework 6, driving all mechanisms (vertical press-loading device, horizontal bridging location-plate) of cylinder 13 driver framework 6 and upper setting thereof to move up and down by moving up and down.
Shown in composition graphs 8, Fig. 9, describe the second embodiment of the present invention (multistation bridging) as follows: the vertical pressing method of Piston and rod assembly straight feeding, concrete steps are as follows:
(1) Piston and rod assembly 2 is loaded in Piston assembling auxiliary sleeve 3, cylinder body 100 is in vertical-horizontal by piston hole axis and shelves;
(2) identical with the quantity of installation cavity on cylinder body by the quantity of the horizontal bridging location-plate 1(U shape gathering sill 101 shown in Fig. 5, be convenient to once multiple Piston and rod assembly and Piston assembling auxiliary sleeve entirety are hung on directly over cylinder body) multiple (4) Piston and rod assembly 2 and Piston assembling auxiliary sleeve 3 entirety are hung on directly over cylinder body, located on horizontal bridging location-plate 1 by Piston assembling auxiliary set 3, the axis of cylinder body 100 piston hole is overlapped with the axis of Piston and rod assembly 2 and perpendicular to horizontal plane;
(3) horizontal bridging location-plate be above provided with vertical press-loading device, horizontal bridging location-plate and vertical press-loading device are arranged on upper and lower driving mechanism, by upper and lower driving mechanism, vertical press-loading device, horizontal bridging location-plate 1 and Piston assembling auxiliary sleeve 3 are moved down, until the lower end of Piston assembling auxiliary sleeve contacts with cylinder deck;
(4) then, forced in the upper end of Piston and rod assembly by vertical press-loading device, Piston and rod assembly departs from Piston assembling auxiliary sleeve, and Piston and rod assembly presses downward in cylinder piston hole, and the tie rod holes of connecting rod and the connecting rod neck of bent axle are coincide.
As Fig. 8, shown in Fig. 9, the structure of vertical press-loading device: comprise framework 6, framework 6 is connectors, horizontal bridging location-plate 1 is installed in its lower end, the side of framework 6 is provided with at right angle setting plate, at right angle setting plate is provided with the line slideway auxiliary 19 of horizontal direction, L-type gripper shoe 17 is supported at right angle setting plate by the line slideway auxiliary 19 of horizontal direction, L-type gripper shoe 17 top is provided with electrode support 8 and two guide posts 15, bearing 9 is arranged in L-type gripper shoe 17, for fixed gear screw 10, leading screw 11 is supporting with screw 10, pressure head 5 is installed in leading screw 11 lower end, leading screw 11 upper end is connected with sliding shoe 14, sliding shoe 14 is upper and lower rectilinear motion under the control of guide post 15, the installing hole of sliding shoe 14 is provided with flat key between leading screw 11, the rotation of restriction leading screw 11, press-fit drive motors 12 to be arranged on electrode support 8, the output shaft press-fiting drive motors 12 is fixed with output gear 7, output gear 7 engages with the external gear on gear screw 10, vertical press-loading device is connected with upper and lower driving mechanism by the side of framework 6.
As shown in Figure 8, Figure 9, the structure of upper and lower driving mechanism: comprise bracing frame 18, bracing frame 18 is provided with the line slideway auxiliary 16 of vertical direction, and bracing frame top is vertically installed with to move up and down and drives cylinder 13, moves up and down and drives the piston rod of cylinder 13 downward; The framework 6 of vertical press-loading device is supported on the line slideway auxiliary 16 of vertical direction, moving up and down and drive the piston rod of cylinder 13 to be connected with above framework 6, driving all mechanisms (vertical press-loading device, horizontal bridging location-plate, L-type gripper shoe 17 etc.) of cylinder 13 driver framework 6 and upper setting thereof to move up and down by moving up and down.
In the present invention, upper and lower driving mechanism and vertical press-loading device are all prior aries, and innovation of the present invention is the two to be grouped together.
Upper and lower driving mechanism can adopt any one in pneumatic, hydraulic power or motor drive mechanism.Driving mechanism up and down shown in Fig. 6, Fig. 7 is a kind of concrete structure, does not play restriction effect to protection scope of the present invention.Driving mechanism up and down shown in Fig. 8, Fig. 9 is a kind of concrete structure, does not play restriction effect to protection scope of the present invention.
Vertical press-loading device can adopt any one in pneumatic, hydraulic power or motor drive mechanism.Vertical press-loading device shown in Fig. 6, Fig. 7 is a kind of concrete structure, does not play restriction effect to protection scope of the present invention.Vertical press-loading device shown in Fig. 8, Fig. 9 is a kind of concrete structure, does not play restriction effect to protection scope of the present invention.
The improvement of Piston assembling auxiliary sleeve 3 is innovation places of the present invention; The concrete structure of horizontal bridging location-plate 1 is also innovation place of the present invention.Horizontal bridging location-plate 1 is also innovation place of the present invention with the positioning combination of Piston assembling auxiliary sleeve 3.
Claims (4)
1. the vertical pressing method of Piston and rod assembly straight feeding, concrete steps are as follows:
(1) Piston and rod assembly is loaded in Piston assembling auxiliary sleeve, cylinder body is in vertical-horizontal by piston hole axis and shelves;
It is characterized in that:
(2) by horizontal bridging location-plate, Piston and rod assembly and Piston assembling auxiliary sleeve entirety are hung on directly over cylinder body, located on horizontal bridging location-plate by Piston assembling auxiliary sleeve, the axis in cylinder piston hole is overlapped with the axis of Piston and rod assembly and perpendicular to horizontal plane;
(3) horizontal bridging location-plate be above provided with vertical press-loading device, horizontal bridging location-plate and vertical press-loading device are arranged on upper and lower driving mechanism, by upper and lower driving mechanism, vertical press-loading device, horizontal bridging location-plate and Piston assembling auxiliary sleeve are moved down, until the lower end of Piston assembling auxiliary sleeve contacts with cylinder deck;
(4) then, forced in the upper end of Piston and rod assembly by vertical press-loading device, Piston and rod assembly departs from Piston assembling auxiliary sleeve, and Piston and rod assembly presses downward in cylinder piston hole, and the tie rod holes of connecting rod and the connecting rod neck of bent axle are coincide.
2. the vertical pressing method of Piston and rod assembly straight feeding according to claim 1, it is characterized in that: horizontal bridging location-plate is provided with at least one U-shaped gathering sill, the bottom of U-shaped gathering sill is provided with step location vestibule, step location vestibule is corresponding to Piston assembling auxiliary sleeve, the opening size of U-shaped gathering sill and the diameter of Piston assembling auxiliary sleeve coincide, and play support and guiding function.
3. the vertical pressing method of Piston and rod assembly straight feeding according to claim 2, it is characterized in that: the quantity of U-shaped gathering sill is identical with the quantity of installation cavity on cylinder body, be convenient to once multiple Piston and rod assembly and Piston assembling auxiliary sleeve entirety are hung on directly over cylinder body.
4. the vertical pressing method of Piston and rod assembly straight feeding according to claim 1 or 2 or 3, is characterized in that: Piston assembling auxiliary sleeve, and its outer axle journal is a multidiameter neck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013701.3A CN104625690A (en) | 2015-01-12 | 2015-01-12 | Horizontal feeding and vertical pressing method for piston and rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013701.3A CN104625690A (en) | 2015-01-12 | 2015-01-12 | Horizontal feeding and vertical pressing method for piston and rod assembly |
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| Publication Number | Publication Date |
|---|---|
| CN104625690A true CN104625690A (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510013701.3A Pending CN104625690A (en) | 2015-01-12 | 2015-01-12 | Horizontal feeding and vertical pressing method for piston and rod assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608191A (en) * | 2018-07-16 | 2018-10-02 | 安徽江淮纳威司达柴油发动机有限公司 | A kind of integrated engine piston assembling accessory |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952393A (en) * | 1974-01-17 | 1976-04-27 | International Standard Electric Corporation | Machine and method for assembling pistons into engines |
| JPH01281832A (en) * | 1988-04-28 | 1989-11-13 | Mazda Motor Corp | Device for assembling piston to engine |
| US20030167628A1 (en) * | 2002-03-11 | 2003-09-11 | Hirata Corporation | Automatic piston installation apparatus |
| CN201871907U (en) * | 2010-05-07 | 2011-06-22 | 郭光文 | Mounting tool for cylinder piston of engine |
| CN204075644U (en) * | 2014-07-31 | 2015-01-07 | 江苏联康电子有限公司 | A kind of workpiece press-loading apparatus |
-
2015
- 2015-01-12 CN CN201510013701.3A patent/CN104625690A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952393A (en) * | 1974-01-17 | 1976-04-27 | International Standard Electric Corporation | Machine and method for assembling pistons into engines |
| JPH01281832A (en) * | 1988-04-28 | 1989-11-13 | Mazda Motor Corp | Device for assembling piston to engine |
| US20030167628A1 (en) * | 2002-03-11 | 2003-09-11 | Hirata Corporation | Automatic piston installation apparatus |
| CN201871907U (en) * | 2010-05-07 | 2011-06-22 | 郭光文 | Mounting tool for cylinder piston of engine |
| CN204075644U (en) * | 2014-07-31 | 2015-01-07 | 江苏联康电子有限公司 | A kind of workpiece press-loading apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608191A (en) * | 2018-07-16 | 2018-10-02 | 安徽江淮纳威司达柴油发动机有限公司 | A kind of integrated engine piston assembling accessory |
| CN108608191B (en) * | 2018-07-16 | 2023-09-29 | 安徽康明斯动力有限公司 | Integrated engine piston assembly auxiliary tool |
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Application publication date: 20150520 |
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