CN111922711B - Automatic one-time press-fitting equipment and press-fitting method for exhaust brake valve body - Google Patents
Automatic one-time press-fitting equipment and press-fitting method for exhaust brake valve body Download PDFInfo
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- CN111922711B CN111922711B CN202010822261.7A CN202010822261A CN111922711B CN 111922711 B CN111922711 B CN 111922711B CN 202010822261 A CN202010822261 A CN 202010822261A CN 111922711 B CN111922711 B CN 111922711B
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- valve body
- brake valve
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000007306 turnover Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention provides disposable automatic press-fitting equipment and a press-fitting method for an exhaust brake valve body, and belongs to the field of manufacturing of automobile exhaust brake valves. The layout of the disposable automatic press-fitting equipment for the exhaust brake valve body adopts the vertical placement of the exhaust brake valve body, the one-time clamping and positioning, the multidirectional hydraulic press-fitting, a hydraulic station arranged below a rack, a mechanical press-fitting tool unit arranged on the table surface of the rack, and an electric appliance control system and a button unit 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 bushing and the pin, and realizes semi-automatic press-fitting. The automatic one-time press-fitting equipment for the exhaust brake valve body is provided, the innovative thought changes the positioning mode of the brake valve body, changes the positioning mode of the brake valve body from horizontal placement to vertical placement, improves the press-fitting quality, improves 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 exhaust brake valves of automobiles, and particularly relates to equipment and a method for automatically press-fitting bushings and pins at one time on a valve body of an exhaust brake valve.
Background
When the automobile exhaust brake valve body is assembled, the bushings are needed to be pressed on two sides, and pins are radially arranged on the bushings to fix the butterfly valve plate.
As shown in fig. 1, the current press-fitting method is: 1. the valve body is horizontally placed, positioned and fixed by the shape of the first clamp, and a lining on one side is vertically stamped by a common press, and is shown in (a) of fig. 1; 2. moving the turnover valve body, replacing the second clamp, positioning and fixing the other side of the turnover valve body, loading the butterfly valve plate, vertically punching the bushing on the other side of the turnover valve body, and clamping and fixing the butterfly valve plate by the bushing on the two sides after the butterfly valve plate is pressed, wherein the butterfly valve plate is shown in (b) of FIG. 1; 3. the inverted valve body is again moved, the third clamp is replaced to fix, the pin is punched, and the bush is locked, as shown in fig. 1 (c). The existing press-fitting method has the following problems: 1. the steps are complicated, and a plurality of tool fixtures are used; 2. the valve body is large and heavy, the transportation and overturning are time-consuming and labor-consuming, and the efficiency is low; 3. the alignment is influenced by multiple positioning, the fixture is unstable in shape fixation, and the press-fitting effect is poor.
Disclosure of Invention
In order to overcome the problems of the prior art means, the invention provides one-time automatic press-fitting equipment and a press-fitting method for an exhaust brake valve body.
The technical conception of the invention is as follows: the valve body of the vertical exhaust brake valve is clamped and positioned once, and hydraulic multidirectional press fitting is adopted.
The invention adopts the technical scheme that: the utility model provides an automatic pressure equipment of exhaust brake valve body disposable, includes the rack, is provided with the hydraulic pressure station under the rack, sets up mechanical pressure equipment frock unit on the mesa of rack, still installs electrical apparatus control system, button unit on the rack, its characterized in that:
The structure of the mechanical press-fitting tool unit comprises: the table top of the rack is provided with a positioning base, the left side and the right side of the positioning base are respectively provided with a left bushing press-fit hydraulic cylinder unit and a right bushing press-fit hydraulic cylinder unit, the rear side of the positioning base is provided with a clamping hydraulic cylinder unit, and the front side of the positioning base is provided with a pin press-fit hydraulic cylinder unit;
And travel switch units are respectively arranged on the table top of the rack corresponding to the left bushing press-fit hydraulic cylinder unit, the right bushing press-fit hydraulic cylinder unit and the pin press-fit hydraulic cylinder unit.
Further limiting the technical scheme: the structure of the left bushing press-fitting hydraulic cylinder unit comprises: the hydraulic cylinder is horizontally arranged and installed through a support, a piston rod of the hydraulic cylinder is connected with a pressure head, and the pressure head extends into the bushing 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, is beneficial to structural layout and reduces cost.
Further limiting the technical scheme: the pin press mounting hydraulic cylinder unit comprises pin press mounting hydraulic cylinders, connecting plates, guide seats and ejector rods, wherein the pin press mounting hydraulic cylinders are horizontally arranged and mounted through mounting supports, the connecting plates are connected with piston rods of the pin press mounting 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 mounted 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, is beneficial to structural layout and reduces cost.
Further limiting the technical scheme: the travel switch unit comprises a mounting seat and a proximity switch, wherein 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 adopted 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 comprises the following specific steps:
(1) The butterfly valve piece is arranged in the valve body of the exhaust brake valve in advance, and is fixed in an auxiliary way by a positioning shaft to prevent falling; then vertically sleeving the valve body of the exhaust brake valve on a positioning base of the equipment, and supporting a butterfly valve plate by the positioning base;
(2) After the central lines of the bushing holes on the left side and the right side are aligned, starting the clamping hydraulic cylinder unit to clamp the valve body of the exhaust brake valve;
(3) 2 bushings are placed in the bushing positioning seat, a left bushing press-fitting hydraulic cylinder unit and a right bushing press-fitting hydraulic cylinder unit are started at the same time, the bushings are pushed to be pressed into the valve body, and after the bushings are pressed to the required depth, the bushings are confirmed by sensing of the travel switch unit and stopped;
(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 meanwhile, after the pin is pressed to a required depth through the ejector rod, the pin is sensed, confirmed and stopped by the travel switch unit;
(5) And after the press fitting is finished, the clamping hydraulic cylinder unit is loosened, and the exhaust brake valve body is taken down.
The beneficial effects of the invention are as follows: the automatic pressure equipment for the exhaust brake valve body is arranged at one time, the innovative thinking changes the positioning mode of the brake valve body, changes the positioning mode of the brake valve body from horizontal placement to vertical placement, realizes one-time positioning and clamping of the pressure equipment bushing and the pin, realizes semiautomatic pressure equipment, improves the pressure equipment quality, improves the efficiency, and improves the efficiency by at least 3 times compared with the prior art.
Drawings
Fig. 1 is a schematic diagram of an assembly flow of a valve body of an exhaust brake valve for an automobile in the prior art.
Fig. 2 is a schematic structural view of a disposable automatic press-fitting apparatus for an exhaust brake valve body according to the present invention.
Fig. 3 is a schematic structural view of the mechanical press-fitting tooling unit shown in the present figure.
Fig. 4 is a schematic diagram of an assembly flow of a valve body of an exhaust brake valve for an automobile according to the present invention.
Fig. 2 and 3 show: A. the hydraulic press mounting device comprises a rack, an electric control system, a mechanical press mounting tool unit, a button unit, a hydraulic station, a table top of the rack, a positioning base, a support, a pressure head, a press mounting hydraulic cylinder, a travel switch unit, a proximity switch, a mounting base, a clamping hydraulic cylinder unit, a clamping hydraulic cylinder, a clamping head, a right lining press mounting hydraulic cylinder unit, a pin press mounting hydraulic cylinder unit, a guide seat, a push rod, a connecting plate and a pin press mounting hydraulic cylinder, wherein the guide seat, the push rod, the connecting plate and the pin press mounting hydraulic cylinder are arranged in sequence.
Shown in fig. 4: 101. the exhaust brake valve comprises an exhaust brake valve body, 102, 103, a positioning shaft, 104, a positioning base, 105, a clamping hydraulic cylinder, 106, a left pressure head, 107, a left bushing, 108, a right bushing, 109, a right pressure head, 1010, a pin, 1011 and a push rod.
Detailed Description
The invention is further described below with reference to the drawings.
As shown in fig. 2 and 3, the structure of the disposable automatic press-fitting device for the exhaust brake valve body in 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 bench, a left bushing press-fit hydraulic cylinder unit (shown as reference numerals 3, 4 and 5 in the figure) and a right bushing press-fit 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-fit hydraulic cylinder unit 9 is arranged on the front side of the positioning base; and a travel switch unit 6 is respectively arranged on the table top of the bench corresponding to the left bushing press-fit hydraulic cylinder unit, the right bushing press-fit hydraulic cylinder unit 8 and the pin press-fit hydraulic cylinder unit 9.
As shown in fig. 3, the left bushing press-fitting hydraulic cylinder unit has the structure: the hydraulic cylinder is horizontally arranged and installed through a support, a piston rod of the hydraulic cylinder is connected with a pressure head 4, and the pressure head 4 extends into the bushing 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, is beneficial to structural layout and reduces cost.
As shown in fig. 3, the pin press-fitting hydraulic cylinder unit comprises pin press-fitting hydraulic cylinders 9-4, connecting plates 9-3, guide seats 9-1 and ejector rods 9-2, wherein the pin press-fitting hydraulic cylinders 9-4 are horizontally arranged and installed through mounting supports, the connecting plates 9-3 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 9-2 are connected with the connecting plates 9-3, the guide seats 9-1 are installed on a table surface of a table frame, and the ejector rods 9-2 are guided through the guide seats 9-1; the structure of the pin press-fitting hydraulic cylinder unit is simple and feasible, is beneficial to 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 adopted 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 an automatic pressure mounting device for an exhaust brake valve body is a 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 a table top of a bench, 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-fit hydraulic cylinder unit, the right bushing press-fit hydraulic cylinder unit and the pin press-fit hydraulic cylinder unit are not limited to the above-described structures, but may be other arrangement structures in the prior art.
In the present invention, the travel switch unit is not limited to the above-described structure, but may be other arrangement structures in the prior art.
The assembly flow shown in fig. 4 further describes: the one-time press-fitting method of the exhaust brake valve body adopts the one-time automatic press-fitting equipment (shown in fig. 2 and 3) of the exhaust brake valve body, and comprises the following specific steps:
(1) The butterfly valve piece 102 is arranged in the exhaust brake valve body 101 in advance, and is fixed in an auxiliary way by a positioning shaft 103 to prevent falling; then vertically sleeving the exhaust brake valve body 101 on a positioning base 104 of the equipment, and supporting the butterfly valve piece 101 by the positioning base 104; shown in fig. 4 (d);
(2) After the central lines of the bushing holes on the left side and the right side are aligned, the exhaust brake valve body 101 is rotated, and a clamping hydraulic cylinder unit (a clamping hydraulic cylinder and a clamping head 105) is started 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 a bushing positioning seat, a left bushing press-fitting hydraulic cylinder unit (a reference numeral 106 represents a left pressure head) and a right bushing press-fitting hydraulic cylinder unit (a reference numeral 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 a valve body, and after the bushings are pressed to a required depth, the bushings are sensed, confirmed and stopped by a travel switch unit; shown in fig. 4 (f);
(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 meanwhile, after the pin 1010 is pressed to a required depth through the ejector rod 1011, the pin is confirmed by sensing of the travel switch unit and stopped; FIG. 4 (g);
(5) And after the press fitting is finished, the clamping hydraulic cylinder unit is loosened, and the exhaust brake valve body is taken down.
Claims (3)
1. The utility model provides an automatic pressure equipment of exhaust brake valve body disposable, includes the rack, is provided with the hydraulic pressure station under the rack, sets up mechanical pressure equipment frock unit on the mesa of rack, still installs electrical apparatus control system, button unit on the rack, its characterized in that:
The structure of the mechanical press-fitting tool unit comprises: the table top of the rack is provided with a positioning base, the left side and the right side of the positioning base are respectively provided with a left bushing press-fit hydraulic cylinder unit and a right bushing press-fit hydraulic cylinder unit, the rear side of the positioning base is provided with a clamping hydraulic cylinder unit, and the front side of the positioning base is provided with a pin press-fit hydraulic cylinder unit;
a travel switch unit is respectively arranged on the table top of the rack corresponding to the left bushing press-fit hydraulic cylinder unit, the right bushing press-fit hydraulic cylinder unit and the pin press-fit hydraulic cylinder unit;
The left bushing press-fitting hydraulic cylinder unit comprises a press-fitting hydraulic cylinder and a bushing positioning seat, wherein 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 press head, and the press head stretches into the bushing positioning seat; the right bushing press-fitting hydraulic cylinder unit and the left bushing press-fitting hydraulic cylinder unit are symmetrical in structure;
The pin press mounting hydraulic cylinder unit comprises pin press mounting hydraulic cylinders, connecting plates, guide seats and ejector rods, wherein the pin press mounting hydraulic cylinders are horizontally arranged and mounted through mounting supports, the connecting plates are connected with piston rods of the pin press mounting 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 mounted on the table top of the rack, and the ejector rods are guided through the guide seats.
2. The exhaust brake valve body disposable automatic press-fit device as claimed in claim 1, wherein: the travel switch unit comprises a mounting seat and a proximity switch, wherein 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 adopted as a travel switch, and the switch action is realized without mechanical direct contact with a moving part, so that collision is avoided.
3. The one-time press mounting method of 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 adopts the exhaust brake valve body according to claim 1 or 2, and comprises the following specific steps:
(1) The butterfly valve piece is arranged in the valve body of the exhaust brake valve in advance, and is fixed in an auxiliary way by a positioning shaft to prevent falling; then vertically sleeving the valve body of the exhaust brake valve on a positioning base of the equipment, and supporting a butterfly valve plate by the positioning base;
(2) After the central lines of the bushing holes on the left side and the right side are aligned, starting the clamping hydraulic cylinder unit to clamp the valve body of the exhaust brake valve;
(3) 2 bushings are placed in the bushing positioning seat, a left bushing press-fitting hydraulic cylinder unit and a right bushing press-fitting hydraulic cylinder unit are started at the same time, the bushings are pushed to be pressed into the valve body, and after the bushings are pressed to the required depth, the bushings are confirmed by sensing of the travel switch unit and stopped;
(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 meanwhile, after the pin is pressed to a required depth through the ejector rod, the pin is sensed, confirmed and stopped by the travel switch unit;
(5) And after the press fitting is finished, the clamping hydraulic cylinder unit is loosened, and the exhaust brake valve body is taken down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010822261.7A CN111922711B (en) | 2020-08-16 | 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 | 2020-08-16 | Automatic one-time press-fitting equipment and press-fitting method for exhaust brake valve body |
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| Publication Number | Publication Date |
|---|---|
| CN111922711A CN111922711A (en) | 2020-11-13 |
| CN111922711B true CN111922711B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010822261.7A Active CN111922711B (en) | 2020-08-16 | 2020-08-16 | Automatic one-time press-fitting equipment and press-fitting method for exhaust brake valve body |
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| Country | Link |
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| CN (1) | CN111922711B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975342B (en) * | 2021-02-25 | 2022-03-29 | 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 |
-
2020
- 2020-08-16 CN CN202010822261.7A patent/CN111922711B/en active Active
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 |
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| Publication number | Publication date |
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| CN111922711A (en) | 2020-11-13 |
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