CN211588599U - Compressing device for drilling of pressure reducing valve gear - Google Patents
Compressing device for drilling of pressure reducing valve gear Download PDFInfo
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- CN211588599U CN211588599U CN201922344577.5U CN201922344577U CN211588599U CN 211588599 U CN211588599 U CN 211588599U CN 201922344577 U CN201922344577 U CN 201922344577U CN 211588599 U CN211588599 U CN 211588599U
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- reducing valve
- pressure reducing
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Abstract
The utility model discloses a pressure reducing valve gear drilling pressing device, which comprises a seat plate, wherein positioning seats are arranged on the seat plate in pairs from left to right, the upper ends of the positioning seats are positioning end faces and are used for butt support on the lower end face of a gear, and an anti-rotation structure is arranged between the positioning seats and the gear, and is provided with an anti-rotation connecting end and is used for being connected with the gear so as to limit the horizontal rotation of the gear; a vertical telescopic mechanism is arranged between the two positioning seats, and two sides of the upper end of the telescopic mechanism are respectively horizontally provided with a C-shaped pressing back with an opening at the outer end corresponding to the positioning seats; a horizontal mounting hole is formed in the inner end of the press back, a connecting shaft is rotatably arranged in the mounting hole, and one end of the connecting shaft, which is back to the press back, is connected to the upper end of the telescopic mechanism; a vertical plug hole is formed in the press back corresponding to the connecting shaft, and a first screw is arranged in the plug hole; the utility model has the advantages of can be better accomplish the clamping of pinion and compress tightly, can avoid the gear terminal surface to suffer destruction better.
Description
Technical Field
The utility model belongs to the technical field of gear machining, concretely relates to pressure reducing valve gear is closing device for drilling.
Background
A plurality of procedures are involved in gear machining, for example, the procedures of gear hobbing and drilling in JY250 pressure reducing valve gear machining are involved. In the process of drilling the JY250 pressure reducing valve gear, the device for clamping and pressing the JY250 pressure reducing valve gear in FIGS. 5 and 6 has been designed by the applicant. Each pressing unit of the device can simultaneously clamp and press the left and right paired gears at one time. However, the applicant has found that it has the following disadvantages when used: 1, the same cylinder is adopted to drive a left pressing end and a right pressing end to press two gears which are paired left and right, and the upper end surfaces of the two gears which are paired left and right have certain height difference and the end surfaces of the two gears which are paired left and right possibly incline, so that the pressing effect difference of the two gears is large, the two gears are easy to loosen after being pressed, and the processing and drilling quality is influenced; 2, after the pressing end on the pressing device applies pressure to the end face of the gear, the end face of the gear is easily damaged.
Therefore, how to provide a simple structure, the clamping that can be better to the gear compresses tightly, can avoid the gear terminal surface to suffer the reducing valve for gear drilling closing device who destroys better, becomes the technical problem that technical staff in the field awaited solution.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a simple structure, the clamping that can be better completion is compressed tightly to the gear, can avoid the gear terminal surface to suffer the reducing valve for gear drilling closing device who destroys better.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a pressing device for drilling a gear of a pressure reducing valve comprises a seat plate, wherein positioning seats are arranged on the seat plate in a left-right paired mode, the upper ends of the positioning seats are positioning end faces and are used for being abutted and supported on the lower end face of the gear, an anti-rotation structure is arranged between each positioning seat and the gear, and the anti-rotation structure is provided with an anti-rotation connecting end and is used for being connected with the gear to limit the gear to horizontally rotate; a vertical telescopic mechanism is arranged between the two positioning seats, and two sides of the upper end of the telescopic mechanism are respectively horizontally provided with a C-shaped pressing back with an opening at the outer end corresponding to the positioning seats; the telescopic mechanism is characterized in that a horizontal mounting hole is formed in the inner end of the press back, a connecting shaft is rotatably arranged in the mounting hole, and one end of the connecting shaft, which is back to the press back, is connected to the upper end of the telescopic mechanism; a vertical inserting hole is formed in the press back corresponding to the connecting shaft, a first screw is arranged in the inserting hole, and the lower end of the first screw is in threaded connection with a threaded hole formed in the connecting shaft so as to prevent the press back from falling off from the outer end of the connecting shaft; and the diameter of the plug hole is larger than that of the first screw so that the press back can rotate.
Therefore, when the pressing device for drilling the gear of the pressure reducing valve is used, the gear to be processed is placed on the positioning end face arranged at the upper end of the positioning seat, and the anti-rotation connecting end of the anti-rotation structure is connected to the anti-rotation structure correspondingly arranged on the gear in an abutting mode so as to limit the rotation of the gear in the horizontal direction. Then, the telescopic mechanism is made to vertically drive the back pressing mechanism to move, and the back pressing mechanism provides a vertical downward clamping force for the gear to tightly press the gear on the positioning seat. In the process of compressing two gears in pairs on the left and right, the two pressing backs are compressed correspondingly respectively, and can rotate an angle vertically relative to the connecting shaft, so that the pressing backs can compress the end faces of the gears according to corresponding requirements respectively to rotate by a small angle, and the pressing backs can be better attached to the end faces of the gears and can compress the gears. The back of the body presses can be respectively in vertical rotation an angle with better and two gear upper ends paste mutually and compress tightly, can not produce the interact when compressing tightly two gears. Therefore, the gear clamping device has the advantages that the gear can be clamped and compressed more conveniently, and the compression quality can be improved better. In addition, the press back can be better contacted with the upper end face of the gear, so that the end face of the gear can be better prevented from being damaged.
Preferably, the telescopic mechanism is an air cylinder, the end of the cylinder body of the air cylinder is connected and fixed on the seat plate, and the end of the piston rod of the air cylinder is connected with the connecting shaft.
Like this, telescopic machanism adopts the cylinder, has simple structure, facilitates the advantage of using. And can also have the advantage of being operationally reliable.
Preferably, the end of the piston rod of the cylinder is connected with a vertical connecting plate, and the two sides of the connecting plate are respectively fixedly connected with the connecting shaft.
Like this, through setting up the connecting plate, fix the respective connection of connecting axle on the connecting plate again, have simple structure, the advantage of more convenient setting.
As optimization, a vertical connecting hole is formed in the connecting plate, a second screw is arranged in the connecting hole, and the lower end of the second screw is in threaded connection with a vertical fixing hole formed in the end of the piston rod of the air cylinder.
Therefore, the connecting structure between the piston rod end of the air cylinder and the connecting plate is simpler.
As optimization, the pressing bag comprises a connecting block at the inner end, and the connecting block is provided with the mounting hole and the inserting hole; the connecting block is characterized by further comprising two integrally arc-shaped pressing rods connected to the outer end face of the connecting block, and the two pressing rods and the connecting block are integrally formed into a C-shaped structure.
Like this, two depression bar crimping are behind the gear upper end, and the clamping that can improve the gear compresses tightly the effect to the applied force of gear more balanced. And the lower sides of the two pressure levers are respectively attached to the edge positions on the upper end face of the gear, so that the compression stability can be improved.
As optimization, the lower side of the outer end of the pressing rod is connected with a gasket made of brass.
Like this, through set up the gasket that the brass material made in depression bar outer end downside, the hardness of gasket is lower, can further play the advantage of protection gear terminal surface.
Preferably, the anti-rotation structure comprises a positioning pin which is arranged upwards on the positioning seat, a positioning pin hole is formed in the gear corresponding to the positioning pin, and the positioning pin forms the anti-rotation connecting end and can be inserted into the positioning pin hole to limit the horizontal rotation of the gear.
Like this, prevent changeing the structure simpler, place the gear on the positioning seat, through horizontal rotating gear, alright prevent changeing in order to make locating pin and locating pin hole cooperation, facilitate the use more. The anti-rotation structure can also be a positioning shaft at the middle part of the positioning seat, the positioning shaft is used for being inserted into a gear mounting hole at the middle part of the gear, and the gear mounting hole and the positioning shaft are in transmission through a key and a key groove. Therefore, the anti-rotation gear has the advantages that the gear mounting hole originally arranged on the gear is adopted for preventing rotation, the structure is simple, and the step of machining the positioning pin hole is omitted.
Preferably, the positioning seat comprises a bottom plate with the lower end horizontally arranged, and the bottom plate is fixedly connected with the seat plate through bolts.
Thus, the connection between the positioning seat and the seat plate is more reliable.
Drawings
Fig. 1 is a schematic structural view in a top view direction according to an embodiment of the present invention.
Fig. 2 is a schematic structural view in a front view direction according to an embodiment of the present invention.
Fig. 3 is a schematic top view of the press back of fig. 1.
Fig. 4 is a cross-sectional view of fig. 3.
Fig. 5 is a schematic structural view in a top view of a conventional pressing device.
Fig. 6 is a front view schematically illustrating a conventional pressing device.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
see fig. 1-4 for the following: a pressing device for drilling a gear of a pressure reducing valve comprises a seat plate 1, wherein positioning seats 2 are arranged on the seat plate in a left-right paired mode, the upper ends of the positioning seats are positioning end faces and are used for being abutted and supported on the lower end face of a gear 3, an anti-rotation structure is arranged between each positioning seat and the gear, and the anti-rotation structure is provided with an anti-rotation connecting end and is used for being connected with the gear to limit the gear to horizontally rotate; a vertical telescopic mechanism 4 is arranged between the two positioning seats, two sides of the upper end of the telescopic mechanism are respectively horizontally provided with a C-shaped pressing back 5 with an open outer end corresponding to the positioning seats, the inner end of the pressing back is provided with a horizontal mounting hole, a connecting shaft 6 is rotatably arranged in the mounting hole, and one end of the connecting shaft back away from the pressing back is connected to the upper end of the telescopic mechanism; a vertical inserting hole is formed in the press back corresponding to the connecting shaft, a first screw 7 is arranged in the inserting hole, and the lower end of the first screw is in threaded connection with a threaded hole formed in the connecting shaft so as to prevent the press back from falling off from the outer end of the connecting shaft; and the diameter of the plug hole is larger than that of the first screw so that the press back can rotate.
Therefore, when the pressing device for drilling the gear of the pressure reducing valve is used, the gear to be processed is placed on the positioning end face arranged at the upper end of the positioning seat, and the anti-rotation connecting end of the anti-rotation structure is connected to the anti-rotation structure correspondingly arranged on the gear in an abutting mode so as to limit the rotation of the gear in the horizontal direction. Then, the telescopic mechanism is made to vertically drive the back pressing mechanism to move, and the back pressing mechanism provides a vertical downward clamping force for the gear to tightly press the gear on the positioning seat. In the process of compressing two gears in pairs on the left and right, the two pressing backs are compressed correspondingly respectively, and can rotate an angle vertically relative to the connecting shaft, so that the pressing backs can compress the end faces of the gears according to corresponding requirements respectively to rotate by a small angle, and the pressing backs can be better attached to the end faces of the gears and can compress the gears. The back of the body presses can be respectively in vertical rotation an angle with better and two gear upper ends paste mutually and compress tightly, can not produce the interact when compressing tightly two gears. Therefore, the gear clamping device has the advantages that the gear can be clamped and compressed more conveniently, and the compression quality can be improved better. In addition, the press back can be better contacted with the upper end face of the gear, so that the end face of the gear can be better prevented from being damaged.
In this embodiment, the telescopic mechanism 4 is a cylinder, the end of the cylinder body of the cylinder is connected and fixed on the seat plate, and the end of the piston rod of the cylinder is connected with the connecting shaft.
Like this, telescopic machanism adopts the cylinder, has simple structure, facilitates the advantage of using. And can also have the advantage of being operationally reliable.
In this embodiment, a vertical connecting plate 8 is connected to the end of the piston rod of the cylinder, and the connecting shafts are respectively connected and fixed to both sides of the connecting plate.
Like this, through setting up the connecting plate, fix the respective connection of connecting axle on the connecting plate again, have simple structure, the advantage of more convenient setting.
In the specific embodiment, the connecting plate 8 is provided with a vertical connecting hole, a second screw 9 is arranged in the connecting hole, and the lower end of the second screw is in threaded connection with a vertical fixing hole arranged at the end of the piston rod of the cylinder.
Therefore, the connecting structure between the piston rod end of the air cylinder and the connecting plate is simpler.
In the specific embodiment, the press back 5 comprises a connecting block 10 at the inner end, and the connecting block is provided with the mounting hole and the inserting hole; the connecting block further comprises two integrally arc-shaped pressing rods 11 connected to the outer end face of the connecting block, and the two pressing rods and the connecting block are integrally formed into a C-shaped structure.
Like this, two depression bar crimping are behind the gear upper end, and the clamping that can improve the gear compresses tightly the effect to the applied force of gear more balanced. And the lower sides of the two pressure levers are respectively attached to the edge positions on the upper end face of the gear, so that the compression stability can be improved.
In this embodiment, a gasket 12 made of brass is connected to the lower side of the outer end of the pressure rod.
Like this, through set up the gasket that the brass material made in depression bar outer end downside, the hardness of gasket is lower, can further play the advantage of protection gear terminal surface.
In this specific embodiment, the rotation-preventing structure includes a positioning pin which is arranged upward on the positioning seat, a positioning pin hole is formed in the gear corresponding to the positioning pin, and the positioning pin forms the rotation-preventing connecting end and can be inserted into the positioning pin hole to limit the horizontal rotation of the gear. (the structure of the dowel part is not shown in the figure).
Like this, prevent changeing the structure simpler, place the gear on the positioning seat, through horizontal rotating gear, alright prevent changeing in order to make locating pin and locating pin hole cooperation, facilitate the use more. The anti-rotation structure can also be a positioning shaft at the middle part of the positioning seat, the positioning shaft is used for being inserted into a gear mounting hole at the middle part of the gear, and the gear mounting hole and the positioning shaft are in transmission through a key and a key groove. Therefore, the anti-rotation gear has the advantages that the gear mounting hole originally arranged on the gear is adopted for preventing rotation, the structure is simple, and the step of machining the positioning pin hole is omitted.
In this embodiment, the positioning seat includes a bottom plate 13 horizontally disposed at a lower end thereof, and the bottom plate is fixedly connected to the seat plate by bolts.
Thus, the connection between the positioning seat and the seat plate is more reliable.
In the present embodiment, four positioning seats are provided on the seat plate in pairs, i.e., left and right, and in pairs, i.e., front and rear. Like this, the device once can carry out the clamping to four gears and compress tightly, can improve machining efficiency.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. A pressing device for drilling a gear of a pressure reducing valve comprises a seat plate (1), wherein positioning seats (2) are arranged on the seat plate in a left-right paired mode, the upper ends of the positioning seats are positioning end faces and are used for being abutted and supported on the lower end face of a gear (3), an anti-rotation structure is arranged between each positioning seat and the gear, and the anti-rotation structure is provided with an anti-rotation connecting end and is used for being connected with the gear to limit the gear to horizontally rotate; a vertical telescopic mechanism (4) is arranged between the two positioning seats, and two sides of the upper end of the telescopic mechanism are respectively horizontally provided with a C-shaped pressing back (5) with an opening at the outer end corresponding to the positioning seats; the device is characterized in that a horizontal mounting hole is formed in the inner end of the press back, a connecting shaft (6) is rotatably arranged in the mounting hole, and one end of the connecting shaft, which is away from the press back, is connected to the upper end of the telescopic mechanism; a vertical inserting hole is formed in the press back corresponding to the connecting shaft, a first screw (7) is arranged in the inserting hole, and the lower end of the first screw is in threaded connection with a threaded hole formed in the connecting shaft so as to prevent the press back from falling off from the outer end of the connecting shaft; and the diameter of the plug hole is larger than that of the first screw so that the press back can rotate.
2. The hold-down device for drilling a gear of a pressure reducing valve according to claim 1, wherein: the telescopic mechanism (4) is a cylinder, the cylinder body end of the cylinder is connected and fixed on the seat plate, and the piston rod end of the cylinder is connected with the connecting shaft.
3. The hold-down device for a pressure reducing valve gear drill hole as claimed in claim 2, wherein: the piston rod end of the air cylinder is connected with a vertical connecting plate (8), and the two sides of the connecting plate are respectively fixedly connected with the connecting shaft.
4. The hold-down device for a pressure reducing valve gear drill hole as claimed in claim 3, wherein: and a vertical connecting hole is formed in the connecting plate (8), a second screw (9) is arranged in the connecting hole, and the lower end of the second screw is in threaded connection with a vertical fixing hole formed in the end of the piston rod of the air cylinder.
5. The hold-down device for drilling a gear of a pressure reducing valve according to claim 1, wherein: the back pressing body (5) comprises a connecting block (10) at the inner end, and the connecting block is provided with the mounting hole and the inserting hole; the connecting block is characterized by further comprising two integrally arc-shaped pressing rods (11) connected to the outer end face of the connecting block, and the two pressing rods and the connecting block are integrally formed into a C-shaped structure.
6. The hold-down device for a pressure reducing valve gear drill hole as claimed in claim 5, wherein: the lower side of the outer end of the pressure rod is connected with a gasket (12) made of brass.
7. The hold-down device for drilling a gear of a pressure reducing valve according to claim 1, wherein: the anti-rotation structure comprises a positioning pin which is arranged upwards on the positioning seat, a positioning pin hole is formed in the gear corresponding to the positioning pin, and the positioning pin forms the anti-rotation connecting end and can be inserted into the positioning pin hole to limit the gear to rotate horizontally.
8. The hold-down device for drilling a gear of a pressure reducing valve according to claim 1, wherein: the positioning seat comprises a bottom plate (13) with the lower end horizontally arranged, and the bottom plate is fixedly connected with the seat plate through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922344577.5U CN211588599U (en) | 2019-12-24 | 2019-12-24 | Compressing device for drilling of pressure reducing valve gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922344577.5U CN211588599U (en) | 2019-12-24 | 2019-12-24 | Compressing device for drilling of pressure reducing valve gear |
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| Publication Number | Publication Date |
|---|---|
| CN211588599U true CN211588599U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922344577.5U Active CN211588599U (en) | 2019-12-24 | 2019-12-24 | Compressing device for drilling of pressure reducing valve gear |
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| CN (1) | CN211588599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222895A (en) * | 2020-12-14 | 2021-01-15 | 烟台工程职业技术学院(烟台市技师学院) | Locking mechanism with adjusting function |
-
2019
- 2019-12-24 CN CN201922344577.5U patent/CN211588599U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222895A (en) * | 2020-12-14 | 2021-01-15 | 烟台工程职业技术学院(烟台市技师学院) | Locking mechanism with adjusting function |
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