CN111922711A - One-time automatic press-fitting equipment and method for valve body of exhaust brake valve - Google Patents
One-time automatic press-fitting equipment and method for valve body of exhaust brake valve Download PDFInfo
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- CN111922711A CN111922711A CN202010822261.7A CN202010822261A CN111922711A CN 111922711 A CN111922711 A CN 111922711A CN 202010822261 A CN202010822261 A CN 202010822261A CN 111922711 A CN111922711 A CN 111922711A
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- press
- fitting
- hydraulic cylinder
- valve body
- exhaust brake
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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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
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/002—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units stationary whilst being composed
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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
Abstract
The invention provides one-time automatic press-fitting equipment and a press-fitting method for a valve body of an exhaust brake valve, and belongs to the field of manufacturing of automobile exhaust brake valves. The layout of the one-time automatic press-fitting equipment for the exhaust brake valve body adopts the vertical arrangement of the exhaust brake valve body, the one-time clamping and positioning and the multi-direction hydraulic press-fitting, a hydraulic station is arranged under a rack, a mechanical press-fitting tool unit is arranged on the table top of the rack, and an electric appliance control system and a button unit are also arranged on the rack. The press fitting method adopts the one-time automatic press fitting equipment for the exhaust brake valve body, realizes one-time positioning and clamping of the press fitting lining and the pin, and realizes semi-automatic press fitting. The invention is provided with the one-time automatic press-fitting equipment for the valve body of the exhaust brake valve, innovatively changes the positioning mode of the valve body of the brake valve from horizontal placement to vertical placement, improves the press-fitting quality and the efficiency, and improves the efficiency by at least 3 times compared with the prior art.
Description
Technical Field
The invention belongs to the field of manufacturing of automobile exhaust brake valves, and particularly relates to equipment and a method for automatically press-fitting a bushing and a pin in one step of an exhaust brake valve body.
Background
When the valve body of the automobile exhaust brake valve is assembled, the bushings are required to be pressed on two sides, and the pins are arranged in the radial direction to fix the butterfly valve plate.
As shown in fig. 1, the current press-fitting method is: 1. horizontally placing the valve body, positioning and fixing the valve body by the shape of a first clamp, and vertically stamping a lining on one side by using a common press, wherein the lining is shown in (a) in figure 1; 2. moving the turnover valve body, replacing the second clamp, positioning and fixing the shape of the other side, installing the butterfly valve plate, vertically stamping the bush on the other side, and clamping and fixing the butterfly valve plate after being pressed by the bushes on the two sides, wherein the part (b) in the figure 1 is shown; 3. the valve body is moved again, the third fixture is replaced for fixing, the pin is punched, and the bushing is locked, as shown in fig. 1 (c). The existing press fitting method has the problems that: 1. the steps are complicated, and a plurality of tool fixtures are used; 2. The valve body is large and heavy, time and labor are wasted in carrying and overturning, and the efficiency is low; 3. the alignment is influenced by multiple positioning, the fixation is unstable depending on the appearance of the clamp, and the press mounting effect is poor.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides the one-time automatic press-fitting equipment and the press-fitting method for the exhaust brake valve body.
The technical conception of the invention is as follows: the valve body of the exhaust brake valve is vertically placed, and is clamped and positioned at one time, and the valve body is pressed and mounted in multiple directions hydraulically.
The technical scheme adopted by the invention is as follows: exhaust brake valve body is once only automatic pressure equipment, including the rack, be provided with the hydraulic pressure station under the rack, set up mechanical pressure equipment frock unit on the mesa of rack, still install electrical control system, button unit on the rack, its characterized in that:
the mechanical press-fitting tool unit is structured as follows: a positioning base is arranged on the table top of the rack, a left lining press-fitting hydraulic cylinder unit and a right lining press-fitting hydraulic cylinder unit are respectively arranged on the left side and the right side of the positioning base, a clamping hydraulic cylinder unit is arranged on the rear side of the positioning base, and a pin press-fitting hydraulic cylinder unit is arranged on the front side of the positioning base;
travel switch units are respectively arranged on the table board of the rack corresponding to the left lining press-fitting hydraulic cylinder unit, the right lining press-fitting hydraulic cylinder unit and the pin press-fitting hydraulic cylinder unit.
The technical scheme is further limited as follows: the structure of the left bushing press-fitting hydraulic cylinder unit is as follows: the device comprises a press-mounting hydraulic cylinder and a lining positioning seat, wherein the press-mounting hydraulic cylinder is horizontally arranged and installed through a support, a piston rod of the press-mounting hydraulic cylinder is connected with a pressure head, and the pressure head extends into the lining positioning seat; the right bushing press-fitting hydraulic cylinder unit and the left bushing press-fitting hydraulic cylinder unit are symmetrical in structure; the structure of the press-fitting hydraulic cylinder unit is simple and feasible, facilitates structural layout and reduces cost.
The technical scheme is further limited as follows: the pin press-fitting hydraulic cylinder unit comprises pin press-fitting hydraulic cylinders, connecting plates, guide seats and ejector rods, the pin press-fitting hydraulic cylinders are horizontally arranged and installed through installation supports, the connecting plates are connected with piston rods of the pin press-fitting hydraulic cylinders, the number of the ejector rods is 2, the tail ends of the 2 ejector rods are connected with the connecting plates, the guide seats are installed on the table top of the rack, and the ejector rods are guided through the guide seats; the structure of the pin press-fitting hydraulic cylinder unit is simple and feasible, facilitates structural layout and reduces cost.
The technical scheme is further limited as follows: the travel switch unit comprises a mounting seat and a proximity switch, the mounting seat is connected to the table top of the rack, and the proximity switch is connected to the mounting seat; the proximity switch is used as a travel switch, and the switch action is realized without mechanical direct contact with a moving part, so that collision is avoided.
The one-time press-fitting method for the exhaust brake valve body adopts the one-time automatic press-fitting equipment for the exhaust brake valve body, and the specific links are as follows:
(1) the butterfly valve sheet is arranged in the valve body of the exhaust brake valve in advance and is fixed by a positioning shaft in an auxiliary way to prevent falling; then vertically sleeving a valve body of the exhaust brake valve on a positioning base of the equipment, and supporting a butterfly valve sheet by the positioning base;
(2) rotating the exhaust brake valve body, and starting a clamping hydraulic cylinder unit to clamp the exhaust brake valve body after determining that the central lines of the bushing holes on the left side and the right side are aligned;
(3) 2 bushings are placed into the bushing positioning seat, and the left bushing press-fitting hydraulic cylinder unit and the right bushing press-fitting hydraulic cylinder unit are started simultaneously to push the bushings to be pressed into the valve body, and after the bushings are pressed to a required depth, the bushings are inducted, confirmed and stopped by the travel switch unit;
(4) the pin is inserted into a pin hole of a brake valve body in advance, the pin is started to press the hydraulic cylinder unit, and the pin is pressed into a required depth through the ejector rod and then is inducted, confirmed and stopped by the travel switch unit;
(5) and after the press mounting is finished, loosening the clamping hydraulic cylinder unit and taking down the exhaust brake valve body.
The invention has the beneficial effects that: the one-time automatic press-fitting equipment for the exhaust brake valve body is arranged, the positioning mode of the brake valve body is changed through an innovative idea, the positioning mode of the brake valve body is changed from horizontal placement to vertical placement, the one-time positioning and clamping of a press-fitting lining and a pin is realized, semi-automatic press-fitting is realized, the press-fitting quality is improved, the efficiency is improved, and compared with the prior art, the efficiency is improved by at least 3 times.
Drawings
Fig. 1 is a schematic view illustrating an assembly process of a valve body of an exhaust brake valve of an automobile in the prior art.
Fig. 2 is a schematic structural diagram of the disposable automatic press-fitting equipment for the valve body of the exhaust brake valve in the invention.
Fig. 3 is a schematic structural diagram of the mechanical press-fitting tool unit shown in the figure.
FIG. 4 is a schematic view showing an assembly process of the valve body of the exhaust brake valve for an automobile according to the present invention.
Shown in fig. 2 and 3: A. the device comprises a rack, a B electrical appliance control system, a C mechanical press-fitting tool unit, a D button unit, an E hydraulic station, a 1 table board of the rack, 2 a positioning base, 3 a support, 4 a pressure head, 5 a press-fitting hydraulic cylinder, 6 a travel switch unit, 6-1 a proximity switch, 6-2 an installation base, 7 a clamping hydraulic cylinder unit, 7-1 a clamping hydraulic cylinder, 7-2 a clamping head, 8 a right bushing press-fitting hydraulic cylinder unit, 9 a pin press-fitting hydraulic cylinder unit, 9-1 a guide seat, 9-2 a mandril, 9-3 a connecting plate and 9-4 a pin press-fitting hydraulic cylinder.
Shown in FIG. 4: 101. the device comprises an exhaust brake valve body, a butterfly valve plate 102, a butterfly valve plate 103, a positioning shaft 104, a positioning base 105, a clamping hydraulic cylinder and a clamping head 106, a left pressure head 107, a left bushing 107, a right bushing 108, a right pressure head 109, a pin 1010 and a mandril 1011.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 2 and 3, the structure of the disposable automatic press-fitting device for the valve body of the exhaust brake valve of the invention is as follows: including rack A, be provided with hydraulic pressure station E under the rack, set up mechanical pressure equipment frock unit C on the mesa of rack, still install electrical apparatus control system B, button unit D on the rack, the structure of mechanical pressure equipment frock unit: a positioning base 2 is arranged on a table top 1 of the rack, a left lining press-fitting hydraulic cylinder unit (shown by marks 3, 4 and 5 in the figure) and a right lining press-fitting hydraulic cylinder unit 8 are respectively arranged on the left side and the right side of the positioning base 2, a clamping hydraulic cylinder unit 7 is arranged on the rear side of the positioning base, and a pin press-fitting hydraulic cylinder unit 9 is arranged on the front side of the positioning base; and stroke switch units 6 are respectively arranged on the table top of the rack corresponding to the left bushing press-fitting hydraulic cylinder unit, the right bushing press-fitting hydraulic cylinder unit 8 and the pin press-fitting hydraulic cylinder unit 9.
As shown in fig. 3, the left bushing press-fitting hydraulic cylinder unit has a structure that: the device comprises a press fitting hydraulic cylinder 5 and a lining positioning seat 3, wherein the press fitting hydraulic cylinder 5 is horizontally arranged and installed through a support, a piston rod of the press fitting hydraulic cylinder is connected with a pressure head 4, and the pressure head 4 extends into the lining positioning seat 3; the right bushing press-fitting hydraulic cylinder unit and the left bushing press-fitting hydraulic cylinder unit are symmetrical in structure; the structure of the press-fitting hydraulic cylinder unit is simple and feasible, facilitates structural layout and reduces cost.
As shown in figure 3, the pin press-fitting hydraulic cylinder unit comprises a pin press-fitting hydraulic cylinder 9-4, a connecting plate 9-3, a guide seat 9-1 and ejector rods 9-2, wherein the pin press-fitting hydraulic cylinder 9-4 is horizontally arranged and installed through an installation support, the connecting plate 9-3 is connected with a piston rod of the pin press-fitting hydraulic cylinder, the number of the ejector rods is 2, the tail ends of 2 ejector rods 9-2 are connected with the connecting plate 9-3, the guide seat 9-1 is installed on the table top of a rack, and the ejector rods 9-2 are guided through the guide seat 9-1; the structure of the pin press-fitting hydraulic cylinder unit is simple and feasible, facilitates structural layout and reduces cost.
As shown in fig. 3, the travel switch unit comprises a mounting seat 6-2 and a proximity switch 6-1, wherein the mounting seat 6-2 is connected to the table top of the rack, and the proximity switch 6-1 is connected to the mounting seat 6-2; the proximity switch is used as a travel switch, and the switch action is realized without mechanical direct contact with a moving part, so that collision is avoided.
In the invention, a clamping hydraulic cylinder unit 7 of the exhaust brake valve body one-time automatic press-fitting equipment is the conventional technology, and generally comprises a clamping hydraulic cylinder 7-1 and a clamping head 7-2, wherein the clamping hydraulic cylinder 7-1 is arranged on the table surface of a rack, and the clamping head 7-2 is connected with a piston rod of the clamping hydraulic cylinder 7-1.
In the invention, the left bushing press-fitting hydraulic cylinder unit, the right bushing press-fitting hydraulic cylinder unit and the pin press-fitting hydraulic cylinder unit are not limited to the above-described structures, and can be other arrangement structures in the prior art.
In the present invention, the stroke switch unit is not limited to the above-described structure, and may be other arrangement structures in the related art.
The assembly process, as shown in fig. 4, further describes: the one-time press-fitting method for the exhaust brake valve body adopts the one-time automatic press-fitting equipment (shown in figures 2 and 3) for the exhaust brake valve body, and specifically comprises the following steps:
(1) the butterfly valve sheet 102 is arranged in the exhaust brake valve body 101 in advance and is fixed by a positioning shaft 103 in an auxiliary way to prevent falling; then vertically sleeving a valve body 101 of the exhaust brake valve on a positioning base 104 of the equipment, and supporting the butterfly valve sheet 101 by the positioning base 104; shown in fig. 4 (d);
(2) rotating the exhaust brake valve body 101, after determining that the central lines of the bushing holes on the left side and the right side are aligned, starting a clamping hydraulic cylinder unit (a clamping hydraulic cylinder and a clamping head 105) to clamp the exhaust brake valve body 101; shown in fig. 4 (e);
(3) 2 bushings (a left bushing 107 and a right bushing 108) are placed in the bushing positioning seat, a left bushing press-fitting hydraulic cylinder unit (a reference number 106 represents a left pressure head) and a right bushing press-fitting hydraulic cylinder unit (a reference number 109 represents a right pressure head) are started at the same time, the bushings (the left bushing 107 and the right bushing 108) are pushed to be pressed into the valve body, and after the bushings are pressed to a required depth, the bushings are confirmed and stopped by a travel switch unit in an induction mode; shown in fig. 4 (f);
(4) the pin is inserted into a pin hole of the brake valve body in advance, the pin press-mounting hydraulic cylinder unit is started, and after the pin 1010 is pressed into a required depth through the ejector rod 1011, the pin is inducted, confirmed and stopped by the travel switch unit; shown in FIG. 4 (g);
(5) and after the press mounting is finished, loosening the clamping hydraulic cylinder unit and taking down the exhaust brake valve body.
Claims (5)
1. Exhaust brake valve body is once only automatic pressure equipment, including the rack, be provided with the hydraulic pressure station under the rack, set up mechanical pressure equipment frock unit on the mesa of rack, still install electrical control system, button unit on the rack, its characterized in that:
the mechanical press-fitting tool unit is structured as follows: a positioning base is arranged on the table top of the rack, a left lining press-fitting hydraulic cylinder unit and a right lining press-fitting hydraulic cylinder unit are respectively arranged on the left side and the right side of the positioning base, a clamping hydraulic cylinder unit is arranged on the rear side of the positioning base, and a pin press-fitting hydraulic cylinder unit is arranged on the front side of the positioning base;
travel switch units are respectively arranged on the table board of the rack corresponding to the left lining press-fitting hydraulic cylinder unit, the right lining press-fitting hydraulic cylinder unit and the pin press-fitting hydraulic cylinder unit.
2. The exhaust brake valve body disposable automatic press fitting apparatus according to claim 1, wherein: the left bushing press-fitting hydraulic cylinder unit comprises a press-fitting hydraulic cylinder and a bushing positioning seat, the press-fitting hydraulic cylinder is horizontally arranged and installed through a support, a piston rod of the press-fitting hydraulic cylinder is connected with a pressure head, and the pressure head extends into the bushing positioning seat; and the right bushing press-fitting hydraulic cylinder unit and the left bushing press-fitting hydraulic cylinder unit are symmetrical in structure.
3. The exhaust brake valve body disposable automatic press fitting apparatus according to claim 2, characterized in that: the pin press-fitting hydraulic cylinder unit comprises pin press-fitting hydraulic cylinders, connecting plates, guide seats and ejector rods, the pin press-fitting hydraulic cylinders are horizontally placed and installed through mounting supports, the connecting plates are connected with piston rods of the pin press-fitting hydraulic cylinders, the number of the ejector rods is 2, the tail ends of the 2 ejector rods are connected with the connecting plates, the guide seats are installed on the table board of the rack, and the ejector rods are guided through the guide seats.
4. The exhaust brake valve body disposable automatic press fitting apparatus according to claim 3, characterized in that: the travel switch unit comprises a mounting seat and a proximity switch, the mounting seat is connected to the table top of the rack, and the proximity switch is connected to the mounting seat; the proximity switch is used as a travel switch, and the switch action is realized without mechanical direct contact with a moving part, so that collision is avoided.
5. The one-time press-fitting method for the exhaust brake valve body is characterized by comprising the following steps of: the disposable automatic press-fitting equipment for the exhaust brake valve body of claim 1 or 4 is adopted, and comprises the following concrete steps:
(1) the butterfly valve sheet is arranged in the valve body of the exhaust brake valve in advance and is fixed by a positioning shaft in an auxiliary way to prevent falling; then vertically sleeving a valve body of the exhaust brake valve on a positioning base of the equipment, and supporting a butterfly valve sheet by the positioning base;
(2) rotating the exhaust brake valve body, and starting a clamping hydraulic cylinder unit to clamp the exhaust brake valve body after determining that the central lines of the bushing holes on the left side and the right side are aligned;
(3) 2 bushings are placed into the bushing positioning seat, and the left bushing press-fitting hydraulic cylinder unit and the right bushing press-fitting hydraulic cylinder unit are started simultaneously to push the bushings to be pressed into the valve body, and after the bushings are pressed to a required depth, the bushings are inducted, confirmed and stopped by the travel switch unit;
(4) the pin is inserted into a pin hole of a brake valve body in advance, the pin is started to press the hydraulic cylinder unit, and the pin is pressed into a required depth through the ejector rod and then is inducted, confirmed and stopped by the travel switch unit;
(5) and after the press mounting is finished, loosening the clamping hydraulic cylinder unit and taking down the exhaust brake valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010822261.7A CN111922711B (en) | 2020-08-16 | Automatic one-time press-fitting equipment and press-fitting method for exhaust brake valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010822261.7A CN111922711B (en) | 2020-08-16 | Automatic one-time press-fitting equipment and press-fitting method for exhaust brake valve body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111922711A true CN111922711A (en) | 2020-11-13 |
| CN111922711B CN111922711B (en) | 2024-05-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975342A (en) * | 2021-02-25 | 2021-06-18 | 和氏工业技术股份有限公司 | Exhaust gas recirculation valve assembly lining press mounting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005138263A (en) * | 2003-11-10 | 2005-06-02 | Toyota Motor Corp | Apparatus for press-fitting bush |
| CN205651048U (en) * | 2016-04-19 | 2016-10-19 | 湖北比尔克曼机械有限公司 | Assembly fixture of exhaust brake valve butterfly valve |
| CN106914743A (en) * | 2017-04-25 | 2017-07-04 | 上海众源燃油分配器制造有限公司 | A kind of device for check valve assembling |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005138263A (en) * | 2003-11-10 | 2005-06-02 | Toyota Motor Corp | Apparatus for press-fitting bush |
| CN205651048U (en) * | 2016-04-19 | 2016-10-19 | 湖北比尔克曼机械有限公司 | Assembly fixture of exhaust brake valve butterfly valve |
| CN106914743A (en) * | 2017-04-25 | 2017-07-04 | 上海众源燃油分配器制造有限公司 | A kind of device for check valve assembling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975342A (en) * | 2021-02-25 | 2021-06-18 | 和氏工业技术股份有限公司 | Exhaust gas recirculation valve assembly lining press mounting device |
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