CN112605636A - Double-flanging rubber bushing press-fitting device and press-fitting method - Google Patents
Double-flanging rubber bushing press-fitting device and press-fitting method Download PDFInfo
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- CN112605636A CN112605636A CN202011551583.9A CN202011551583A CN112605636A CN 112605636 A CN112605636 A CN 112605636A CN 202011551583 A CN202011551583 A CN 202011551583A CN 112605636 A CN112605636 A CN 112605636A
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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
- B23P19/027—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 using hydraulic or pneumatic means
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Abstract
The invention discloses a double-flanging rubber bushing press-fitting device and a press-fitting method. The split-combined type buffering guide mechanism is adopted, the flanging of the bushing is slowly contracted through the long conical surface, the extrusion force when the bushing is pressed in is greatly reduced, and the bushing is perfectly pressed in; the servo electric cylinder is adopted, the force and the displacement are monitored simultaneously in the pressing-in process, curves are drawn, an abnormal curve is found, an alarm is automatically given, and unqualified parts are thoroughly prevented from being pressed in; the back pressure function of the bushing is synchronously realized, so that the press fitting and flanging problems of the bushing are thoroughly solved; the production efficiency is high, the operation is convenient, and the problems of damage and permanent damage of a rubber structure in the press fitting process of the double-flanging bushing are thoroughly solved.
Description
Technical Field
The invention relates to the field of rubber bushings, in particular to a double-flanging rubber bushing press-fitting device and a double-flanging rubber bushing press-fitting method.
Background
The double-flanging rubber bushing is widely applied to automobile parts, such as automobile swing arms, steering knuckles and the like, and the assembly size precision requirement of the bushing directly influences the quality of an automobile, such as comfort, abnormal sound and the like. The double-flanging rubber bushing has the greatest advantage that the two flanging rubber bushings can better prevent vibration and impact load and buffer shaft end impact. Meanwhile, the flange can prevent falling off. But this advantage also creates great pressing difficulties.
At present, domestic manufacturers press the bushings by a hard extrusion method, and most of the bushings are not provided with a back pressure mechanism. The double-flanging bushing can be pressed into a part sleeve only by designing a large arc or reducing the flanging size of the bushing in order to facilitate pressing, and meanwhile, because rubber can change hardness along with the difference of temperature in winter and summer, the rubber can become hard in winter, and the rubber can be pressed into the part sleeve by hard extrusion after being heated.
The prior art scheme adopts hard extrusion pressing, and has the following defects: the buffer mechanism is not arranged in the hard extrusion process of the bushing, the flanging is easy to damage, and even if the bushing is successfully pressed in, the rubber is permanently deformed due to overlarge extrusion force, so that the service life of the bushing is influenced; the double flanging is convenient to press in and can only design a large arc in a pressed part or reduce the size of the flanging of the bushing, so that the situation that the flanging of the bushing is pressed into the arc or the part occurs when the part is subjected to strong impact due to the design, and the part is permanently damaged; the bush needs stroke excessive pressure when pressing in from one side in order to abundant turn-ups to need the backpressure, prior art scheme does not have backpressure mechanism, needs 2 times pressure equipment.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a press-fitting device and a press-fitting method for a double-flanging rubber bushing.
The purpose of the invention is achieved by the following technical scheme: the double-flanging rubber bushing press-fitting device mainly comprises a workbench, a product positioning mechanism, a back pressure oil cylinder base, a back pressure oil cylinder, an auxiliary positioning pin, a back pressure connecting seat, a back pressure head, a heavy-load guide rail A, a split-close clamping oil cylinder, a clamping oil cylinder support, a guide sleeve connecting block, a split-close buffering guide sleeve, a connecting block, a bushing press-fitting head, a servo press fixing seat, a heavy-load guide rail B, a heavy-load guide rail C, a sticking air cylinder connecting block, an oil pressure buffer, a buffer support, a sticking sliding table and a pressing mechanism, wherein the product positioning mechanism is fixed on the workbench, one side of the product positioning mechanism is provided with the pressing mechanism, the pressure head is fixed on the back pressure connecting seat, the auxiliary positioning pin is simultaneously fixed on the workbench to be matched with the product positioning mechanism to position, the back pressure head is driven by the back pressure oil cylinder and moves back and forth along the X direction, the tight-sticking sliding table is connected to the heavy-duty guide rail C, the tight-sticking air cylinder is connected with the tight-sticking sliding table through the tight-sticking air cylinder connecting block and drives the tight-sticking sliding table to move back and forth along the X direction, an oil pressure buffer fixed through a buffer support is arranged at a certain distance from the front end of the tight-sticking air cylinder, two split-close buffer guide sleeves symmetrically arranged are fixed to the heavy-duty guide rail B, the heavy-duty guide rail B is fixed to the tight-sticking sliding table, the split-close buffer oil cylinders are fixed to the two ends of the tight-sticking sliding table through clamping oil cylinder supports, the split-close buffer guide sleeves are connected with the driving split-close buffer guide sleeves through guide sleeve connecting blocks.
The separation and combination buffer guide sleeve is designed to be a long conical surface.
The back pressure head and the lining press-fitting head are coaxial.
The press fitting method of the double-flanging rubber bushing mainly comprises the following steps:
1) putting the automobile swing arm into a product positioning mechanism;
2) putting the double-flanging bushing into a bushing press-fitting head;
3) pressing a double-start button, pressing a product by a pressing mechanism, receiving a signal by a split-combination clamping oil cylinder, and clamping a split-combination buffer guide sleeve along the Y direction;
4) after the opening and closing buffer guide sleeve is clamped, a magnetic switch at the opening and closing clamping oil cylinder sends a signal, the close-contact air cylinder is started, the close-contact sliding table is pushed to be started along the X direction until the opening and closing buffer guide sleeve is close to an automobile swing arm lining opening;
5) the magnetic switch close to the cylinder sends a signal, the servo press is started, the bushing is pushed into the guide sleeve along the X direction, the bushing is slowly compressed and deformed along the long conical surface of the opening and closing buffer guide sleeve, the servo press monitors displacement and a pressure curve in real time until the bushing is completely pressed into the opening of the swing arm bushing through the long conical surface, and the bushing is turned over to be completely turned out of the other end according to the overpressure stroke of the servo press setting program;
6) then the servo press returns to the initial position, the opening and closing buffer guide sleeve is opened, and the flanging of the bushing pressing end is opened;
7) starting the clinging air cylinder, and moving the clinging sliding table to an initial position;
8) after the sticking sliding table is completely retracted, the back pressure oil cylinder is started to back pressure the overpressure lining to a standard position;
9) and (4) returning the back pressure oil cylinder, sending a qualified green light signal by combining press mounting data of the servo motor after the program receives a return signal, loosening the pressing mechanism, and taking down the part from the product positioning mechanism.
The invention has the beneficial effects that: the split-combined type buffering guide mechanism is adopted, the flanging of the bushing is slowly contracted through the long conical surface, the extrusion force when the bushing is pressed in is greatly reduced, and the bushing is perfectly pressed in; the servo electric cylinder is adopted, the force and the displacement are monitored simultaneously in the pressing-in process, curves are drawn, an abnormal curve is found, an alarm is automatically given, and unqualified parts are thoroughly prevented from being pressed in; the back pressure function of the bushing is synchronously realized, so that the press fitting and flanging problems of the bushing are thoroughly solved; the production efficiency is high, the operation is convenient, and the problems of damage and permanent damage of a rubber structure in the press fitting process of the double-flanging bushing are thoroughly solved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: the device comprises a workbench 1, a product positioning mechanism 2, a back pressure oil cylinder base 3, a back pressure oil cylinder 4, an auxiliary positioning pin 5, a back pressure connecting seat 6, a back pressure head 7, a heavy-load guide rail A8, a separating and combining clamping oil cylinder 9, a clamping oil cylinder support 10, a guide sleeve connecting block 11, a separating and combining buffer guide sleeve 12, a connecting block 13, a bushing press-fitting head 14, a servo press 15, a servo press fixing seat 16, a heavy-load guide rail B17, a heavy-load guide rail C18, a tight sticking air cylinder 19, a tight sticking air cylinder connecting block 20, an oil pressure buffer 21, a buffer support 22, a tight sticking sliding table 23 and.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
as shown in the attached drawing, the double-flanging rubber bushing press-fitting device mainly comprises a workbench 1, a product positioning mechanism 2, a back pressure oil cylinder base 3, a back pressure oil cylinder 4, an auxiliary positioning pin 5, a back pressure connecting seat 6, a back pressure head 7, a heavy-duty guide rail A8, a split-combination clamping oil cylinder 9, a clamping oil cylinder support 10, a guide sleeve connecting block 11, a split-combination buffer guide sleeve 12, a connecting block 13, a bushing press-fitting head 14, a servo press 15, a servo press fixing seat 16, a heavy-duty guide rail B17, a heavy-duty guide rail C18, a sticking air cylinder 19, a sticking air cylinder connecting block 20, an oil pressure buffer 21, a buffer support 22, a sticking sliding table 23 and a pressing mechanism 24, wherein the product positioning mechanism 2 is fixed on the workbench 1, the pressing mechanism 24 is arranged on one side of the product positioning mechanism 2, the back pressure head 7 is fixed on the back pressure connecting seat 6, the back pressure connecting seat 6 is fixed on a heavy-duty guide rail A8, the back pressure oil cylinder 4 is fixed on the workbench 1 through the back pressure oil cylinder base 3, the back pressure head 7 passes through the back pressure oil cylinder 4 and drives the back and forth movement along X, the sticking sliding table 23 is connected on the heavy-duty guide rail C18, the sticking air cylinder 19 is connected with the sticking air cylinder connecting block 20 and drives the sticking sliding table 23 to move back and forth along X, an oil pressure buffer 21 fixed through a buffer bracket 22 is arranged at a certain distance from the front end of the sticking air cylinder 19, two deciliter buffering guide pin bushings 12 that the symmetry set up are fixed on heavy load guide rail B17, and heavy load guide rail B17 is fixed on pasting tight slip table 23, and deciliter clamping cylinder 9 passes through clamping cylinder support 10 to be fixed at pasting tight slip table 23 both ends, and deciliter clamping cylinder 9 passes through guide pin bushing connecting block 11 and connecting block 13 and connects drive deciliter buffering guide pin bushing 12 and press from both sides tightly about realizing the Y direction, and deciliter buffering guide pin bushing 12 is long conical surface design. The servo press 15 is fixed on the workbench 1 through a servo press fixing seat 16, and the servo press 15 is connected with and drives the bush press-mounting head 14 to move back and forth along the X direction. The counter pressure head 7 and the liner press-fitting head 14 are coaxial.
The press fitting method of the double-flanging rubber bushing mainly comprises the following steps:
1) putting the automobile swing arm into the product positioning mechanism 2;
2) placing the double-flanged bushing into the bushing press-fitting head 14;
3) pressing the double start buttons, pressing the product by the pressing mechanism 24, receiving a signal by the opening and closing clamping oil cylinder 9, and clamping the opening and closing buffer guide sleeve 12 along the Y direction;
4) after the deciliter buffering guide sleeve 12 is clamped, a magnetic switch at the deciliter clamping oil cylinder 9 sends a signal, the close-contact air cylinder 19 is started, the close-contact sliding table 23 is pushed to be started along the X direction until the deciliter buffering guide sleeve 12 is close to the automobile swing arm lining opening;
5) the magnetic switch close to the cylinder 19 sends a signal, the servo press 15 is started, the bushing is pushed into the guide sleeve along the X direction, the bushing is slowly compressed and deformed along the long conical surface of the separation and combination buffer guide sleeve 12, the servo press 15 monitors displacement and a pressure curve in real time until the bushing is completely pressed into the opening of the swing arm bushing through the long conical surface, and the bushing is turned over to be completely turned out of the other end according to the overpressure stroke of the set program of the servo press 15;
6) then the servo press 15 returns to the initial position, the separation and combination buffer guide sleeve 12 is opened, and the flanging of the bushing pressing end is opened;
7) starting the clinging air cylinder 19, and moving the clinging sliding table 23 to an initial position;
8) after the sticking sliding table 23 is completely withdrawn, the back pressure oil cylinder 4 is started to back pressure the overpressure lining to the standard position;
9) the back pressure oil cylinder 4 retracts, after the program receives a retraction signal, a qualified green light signal is sent out by combining press mounting data of the servo motor, the pressing mechanism 24 is loosened, and the part is taken down from the product positioning mechanism 2.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (4)
1. The utility model provides a two turn-ups rubber bush pressure equipment devices which characterized in that: mainly comprises a workbench (1), a product positioning mechanism (2), a back pressure oil cylinder base (3), a back pressure oil cylinder (4), an auxiliary positioning pin (5), a back pressure connecting seat (6), a back pressure head (7), a heavy-duty guide rail A (8), a split clamping oil cylinder (9), a clamping oil cylinder support (10), a guide sleeve connecting block (11), a split buffering guide sleeve (12), a connecting block (13), a bush press-mounting head (14), a servo press (15), a servo press fixing seat (16), a heavy-duty guide rail B (17), a heavy-duty guide rail C (18), a tight attaching cylinder (19), a tight attaching cylinder connecting block (20), an oil pressure buffer (21), a buffer support (22), a tight attaching sliding table (23) and a pressing mechanism (24), wherein the product positioning mechanism (2) is fixed on the workbench (1), one side of the product positioning mechanism (2) is provided with, the back pressure head (7) is fixed on the back pressure connecting seat (6), an auxiliary positioning pin (5) is fixed on the workbench (1) to be matched with a product positioning mechanism (2) to position a product, the back pressure connecting seat (6) is fixed on the heavy-duty guide rail A (8), the back pressure oil cylinder (4) is fixed on the workbench (1) through the back pressure oil cylinder base (3), the back pressure head (7) is driven by the back pressure oil cylinder (4) and moves forwards and backwards along X, the heavy-duty sliding table (23) is connected on the heavy-duty guide rail C (18), the clinging air cylinder (19) is connected with the driving clinging sliding table (23) through a clinging air cylinder connecting block (20) and moves forwards and backwards along X, an oil pressure buffer (21) fixed through a buffer support (22) is arranged at a certain distance from the front end of the clinging air cylinder (19), and two symmetrically arranged deciliter buffering guide sleeves (12) are fixed, the heavy-load guide rail B (17) is fixed on the close sliding table (23), the opening and closing clamping oil cylinders (9) are fixed at two ends of the close sliding table (23) through clamping oil cylinder supports (10), the opening and closing clamping oil cylinders (9) are connected with and drive the opening and closing buffering guide sleeves (12) through guide sleeve connecting blocks (11) and connecting blocks (13) to achieve left and right clamping in the Y direction, the servo press (15) is fixed on the workbench (1) through a servo press fixing seat (16), and the servo press (15) is connected with and drives the bushing press-fitting head (14) to move back and forth along the X direction.
2. The double-flanging rubber bushing press-fitting device according to claim 1, characterized in that: the separation and combination buffer guide sleeve (12) is designed to be a long conical surface.
3. The double-flanging rubber bushing press-fitting device according to claim 1, characterized in that: the back pressure head (7) and the lining press-fitting head (14) are coaxial.
4. A press-fitting method for a double-flanging rubber bushing is characterized by comprising the following steps: the method mainly comprises the following steps:
1) putting the automobile swing arm into the product positioning mechanism (2);
2) putting the double-flanging bushing into a bushing press-fitting head (14);
3) pressing down the double start buttons, pressing the product by the pressing mechanism (24), receiving a signal by the opening and closing clamping oil cylinder (9), and clamping the opening and closing buffer guide sleeve (12) along the Y direction;
4) after the deciliter buffering guide sleeve (12) is clamped, a magnetic switch at the deciliter clamping oil cylinder (9) sends a signal, the clinging air cylinder (19) is started, the clinging sliding table (23) is pushed to be started along the X direction until the deciliter buffering guide sleeve (12) clings to an automobile swing arm lining opening;
5) a magnetic switch close to the air cylinder (19) sends a signal, the servo press (15) is started, the bushing is pushed into the guide sleeve along the X direction, the bushing is slowly compressed and deformed along the long conical surface of the opening-closing buffer guide sleeve (12), the servo press (15) monitors the displacement and the pressure curve in real time until the bushing is completely pressed into the opening of the swing arm bushing through the long conical surface, and the bushing is turned over to be completely turned out of the other end according to the overpressure stroke of the set program of the servo press (15);
6) then the servo press (15) returns to the initial position, the opening and closing buffer guide sleeve (12) is opened, and the flanging of the bushing pressing end is opened;
7) the clinging air cylinder (19) is started, and the clinging sliding table (23) is moved to an initial position;
8) after the tight sliding table (23) is completely retracted, the back pressure oil cylinder (4) is started to back pressure the overpressure lining to a standard position;
9) the back pressure oil cylinder (4) retracts, after the program receives a retraction signal, a qualified green light signal is sent out by combining press mounting data of the servo motor, the pressing mechanism (24) is loosened, and the part is taken down from the product positioning mechanism (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011551583.9A CN112605636A (en) | 2020-12-24 | 2020-12-24 | Double-flanging rubber bushing press-fitting device and press-fitting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011551583.9A CN112605636A (en) | 2020-12-24 | 2020-12-24 | Double-flanging rubber bushing press-fitting device and press-fitting method |
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| Publication Number | Publication Date |
|---|---|
| CN112605636A true CN112605636A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011551583.9A Pending CN112605636A (en) | 2020-12-24 | 2020-12-24 | Double-flanging rubber bushing press-fitting device and press-fitting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213665A (en) * | 2022-07-07 | 2022-10-21 | 苏州通锦精密工业股份有限公司 | Horizontal guide arm press-fitting equipment and guide arm press-fitting method thereof |
-
2020
- 2020-12-24 CN CN202011551583.9A patent/CN112605636A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213665A (en) * | 2022-07-07 | 2022-10-21 | 苏州通锦精密工业股份有限公司 | Horizontal guide arm press-fitting equipment and guide arm press-fitting method thereof |
| CN115213665B (en) * | 2022-07-07 | 2024-02-13 | 苏州通锦精密工业股份有限公司 | Guide arm horizontal press-fitting equipment and guide arm press-fitting method thereof |
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