CN217513417U - Casting blank machining positioning device - Google Patents
Casting blank machining positioning device Download PDFInfo
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- CN217513417U CN217513417U CN202221585404.8U CN202221585404U CN217513417U CN 217513417 U CN217513417 U CN 217513417U CN 202221585404 U CN202221585404 U CN 202221585404U CN 217513417 U CN217513417 U CN 217513417U
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- gas detection
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Abstract
The utility model discloses a casting blank machining positioning device, which comprises a positioning bottom plate; a plurality of profile modeling guide error-proofing blocks matched with the casting blank, a pair of positioning seats, a plurality of pressing supporting seats and a plurality of pressing heads arranged on the pressing supporting seats in a swinging mode are arranged on the positioning bottom plate; a positioning pin is vertically and elastically arranged on the positioning seat in a telescopic manner; the pair of positioning pins are respectively matched with the round hole and the waist-shaped hole on the casting blank; the center point of the round hole on the casting blank and the center point of the waist-shaped hole are positioned on the same straight line; a positioning gas detection device is arranged on the pressing support seat; the positioning gas detection device is used for detecting whether the casting blank is put in place; a pressing gas detection device is arranged on the pressing head; the pressing gas detection device is used for detecting whether the pressing head is pressed in place or not; utility model advantage: the accurate clamping position of the casting blank is ensured, the subsequent machining quality is ensured, and the machining efficiency is improved.
Description
Technical Field
The utility model relates to a foundry goods blank positioner's technical field, concretely relates to foundry goods blank machine tooling positioner.
Background
When the casting blank is machined, the casting blank needs to be positioned through the positioning device, whether the positioning is accurate or not determines the quality of subsequent machining, but the position accuracy of the clamping of the casting blank cannot be ensured by the existing positioning device.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a technical problem of the position accuracy of the unable foundry goods blank clamping of current positioner that the purpose is directed to provides a foundry goods blank machining positioner.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a casting blank machining positioning device comprises a positioning bottom plate; a plurality of profile modeling guide error-proofing blocks matched with the casting blank, a pair of positioning seats, a plurality of pressing supporting seats and a plurality of pressing heads arranged on the pressing supporting seats in a swinging mode are arranged on the positioning bottom plate; a positioning pin is vertically and elastically arranged on the positioning seat in a telescopic manner; the pair of positioning pins are respectively matched with the circular hole and the waist-shaped hole on the casting blank; the center point of the round hole on the casting blank and the center point of the waist-shaped hole are positioned on the same straight line; a positioning gas detection device is arranged on the pressing support seat; the positioning gas detection device is used for detecting whether the casting blank is put in place or not; a pressing gas detection device is arranged on the pressing head; and the pressing gas detection device is used for detecting whether the pressing head works.
Preferably, the positioning gas detection device comprises a positioning gas pipe formed in the pressing support seat; a positioning air hole is formed on the upper end surface of the pressing support seat; the positioning air hole is communicated with the positioning air pipe; the positioning air pipe is connected with an external air supply device, and an air pressure detector is arranged at the outer end of the positioning air pipe.
Preferably, the pressing gas detection device comprises an L-shaped follow-up bracket fixed on the pressing head and a gas detection column arranged on the lower side of the follow-up bracket; the gas detection column comprises a circular ring column-shaped gas detection support column; a lower air inlet seat is fixed at the lower part of the opening of the air detection supporting column; a lower air inlet hole is formed on the lower air inlet seat; an opening at the upper end of the gas detection support column is vertically and telescopically provided with a gas detection pressure column; a lower air inlet cavity is formed on the bottom surface of the air pressure detecting column; a gas detection pressure spring is fixed on the lower gas inlet seat; the upper end of the air detection pressure spring is positioned in the lower air inlet cavity and is fixed on the upper side wall of the lower air inlet cavity; a horizontal inner air hole is formed in one side of the side wall of the lower air inlet cavity; a horizontal outer air hole matched with the horizontal inner air hole is formed at the upper end of the side wall of the gas detection supporting column; when the air pressure detecting column is positioned at the uppermost end, the horizontal outer air hole is communicated with the horizontal inner air hole; the lower air inlet seat is connected with an external air supply device, and an air pressure detector is arranged at the air outlet end of the air supply device.
Preferably, the outer end of the pressing head is provided with a pressing column; a pressing block is formed at the lower end of the pressing column; the bottom surface of the pressing block is provided with sawteeth.
Preferably, a vertical telescopic groove for the positioning pin to be vertically inserted is formed on the upper end surface of the positioning seat; the vertical telescopic groove consists of an upper cylindrical groove and a lower cylindrical groove, and the diameter of the upper cylindrical groove is smaller than that of the lower cylindrical groove; a pin base matched with the cylindrical groove on the lower side of the vertical telescopic groove is formed at the bottom of the positioning pin; a positioning pressure spring is arranged in the cylindrical groove on the lower side of the vertical telescopic groove; the upper end of the positioning pressure spring is abutted against the lower end face of the pin base, and the lower end of the positioning pressure spring is abutted against the lower side wall of the vertical telescopic groove.
Preferably, a plurality of built-in oil passages are arranged in the positioning bottom plate; the right side of the positioning bottom plate is provided with an oil way rotary distributor; the oil way rotary distributor supplies oil to the built-in oil way; the pressing head is driven by a hydraulic cylinder; the hydraulic cylinder is connected with the built-in oil way on the corresponding side.
The beneficial effects of the utility model reside in that:
1. the elastic positioning pin can avoid the situation that the positioning consistency of the product is poor due to the fact that the positioning hole of the cast blank is larger or smaller;
2. a pressing point is not arranged above the positioning pin, and the pressing point is separated from the positioning point;
3. the existence of the positioning gas detection device and the pressing gas detection device ensures that the cast blank is clamped in place;
4. the profiling guiding error-proofing block realizes the quick positioning of the cast blank;
5. the built-in oil way is not easy to damage, the service life of the oil way is prolonged, the pressure resistance is strong, the oil pressure is stable, a plurality of groups of oil ways can be distributed, and no external oil pipe is arranged, so that the space is saved; the oil circuit rotary distributor can lead the oil circuits to be integrated, and keeps the oil circuits independent and smooth without crossing each other in a rotary state; the external oil pipe is in static state and is not wound.
Drawings
Fig. 1 is a schematic top view of the present invention;
fig. 2 is a schematic structural view of a cross section a-a in fig. 1 according to the present invention;
fig. 3 is a partially enlarged structural diagram of B in fig. 2 according to the present invention;
fig. 4 is a partially enlarged structural diagram of C in fig. 2 according to the present invention;
fig. 5 is a schematic top view of the gas detection column 16 of the present invention;
fig. 6 is a schematic structural view of the cross section D-D in fig. 5 according to the present invention;
fig. 7 is a schematic top view of the pressing support seat 17 according to the present invention;
fig. 8 is a schematic structural view of the section E-E in fig. 7 according to the present invention;
fig. 9 is a front view of the positioning base plate 10 according to the present invention;
fig. 10 is a schematic structural view of the cross section F-F in fig. 9 according to the present invention;
FIG. 11 is a schematic top view of the foundry blank 20 of the present invention;
in the figure, 10, a positioning base plate; 100. an oil way is arranged inside; 11. a profiling guiding error-proofing block; 12. positioning seats; 120. a vertical telescopic slot; 121. positioning the pressure spring; 13. positioning pins; 14. a compression head; 141. a follow-up bracket; 15. a compression post; 151. a compression block; 16. gas detection columns; 161. a gas detection support column; 1610. a horizontal outer vent; 162. a pneumatic pressure sensing column; 1620. a lower air inlet cavity; 16200. a horizontal inner air hole; 163. a lower air inlet seat; 1630. a lower air inlet hole; 164. a pneumatic detection pressure spring; 17. pressing the supporting seat; 170. positioning the air pipe; 1700. positioning the air holes; 18. an oil path rotary distributor; 20. casting blanks; 200. a circular hole; 201. a waist-shaped hole.
Detailed Description
As shown in fig. 1 to 11, a casting blank machining positioning device comprises a positioning base plate 10; a plurality of profiling guiding error-proofing blocks 11 matched with the casting blank 20, a pair of positioning seats 12, a plurality of pressing supporting seats 17 and a plurality of pressing heads 14 arranged on the pressing supporting seats 17 in a swinging mode are arranged on the positioning bottom plate 10; a positioning pin 13 is vertically and elastically arranged on the positioning seat 12 in a telescopic manner; the pair of positioning pins 13 are respectively matched with the round hole 200 and the kidney-shaped hole 201 on the casting blank 20; the central point of the round hole 200 on the casting blank 20 and the central point of the waist-shaped hole 201 are on the same straight line; a positioning gas detection device is arranged on the pressing support seat 17; the positioning gas detection device is used for detecting whether the casting blank 20 is put in place; a pressing gas detection device is arranged on the pressing head 14; the compaction gas detection device is used for detecting whether the compaction head 14 works or not.
As shown in fig. 7 and 8, the positioning gas detection device comprises a positioning gas pipe 170 formed in the pressing support seat 17; a positioning air hole 1700 is formed on the upper end surface of the pressing support seat 17; the positioning air hole 1700 is communicated with the positioning air pipe 170; the positioning air pipe 170 is connected with an external air supply device and an air pressure detector is provided at an outer end of the positioning air pipe 170.
As shown in fig. 1, 5 and 6, the pressing gas detection device includes an L-shaped follower bracket 141 fixed to the pressing head 14 and a gas detection column 16 provided on the lower side of the follower bracket 141; the gas detection column 16 comprises a gas detection support column 161 in the shape of a circular ring column; a lower air inlet seat 163 is fixed at the lower part of the opening of the air detection supporting column 161; a lower air inlet 1630 is formed on the lower air inlet seat 163; an upper end opening of the gas detection supporting column 161 is vertically provided with a gas detection pressure column 162 in a telescopic manner; a lower air inlet cavity 1620 is formed on the bottom surface of the air pressure detecting column 162; a gas detection pressure spring 164 is fixed on the lower gas inlet seat 163; the upper end of the air detection pressure spring 164 is positioned in the lower air inlet cavity 1620 and fixed on the upper side wall of the lower air inlet cavity 1620; a horizontal inner air hole 16200 is formed at one side of the side wall of the lower air inlet cavity 1620; a horizontal outer air hole 1610 matching with the horizontal inner air hole 16200 is formed at the upper end of the side wall of the air detection support column 161; when the air pressure sensing column 162 is at the uppermost end, the horizontal outer air hole 1610 communicates with the horizontal inner air hole 16200; the lower air inlet seat 163 is connected with an external air supply device and an air pressure detector is provided at an air outlet end of the air supply device.
As shown in fig. 1, 2 and 4, the outer end of the compression head 14 is provided with a compression column 15; the lower end of the pressing column 15 is formed with a pressing block 151; the bottom surface of the pressing block 151 is provided with serrations.
As shown in fig. 3, a vertical telescopic slot 120 for the positioning pin 13 to be vertically inserted is formed on the upper end surface of the positioning seat 12; the vertical telescopic slot 120 is composed of an upper cylindrical slot and a lower cylindrical slot, and the diameter of the upper cylindrical slot is smaller than that of the lower cylindrical slot; a pin base matched with the cylindrical groove on the lower side of the vertical telescopic groove 120 is formed at the bottom of the positioning pin 13; a positioning pressure spring 121 is arranged in a cylindrical groove on the lower side of the vertical telescopic groove 120; the upper end of the positioning pressure spring 121 abuts against the lower end face of the pin base, and the lower end abuts against the lower side wall of the vertical telescopic groove 120.
As shown in fig. 1, 9 and 10, a plurality of built-in oil passages 100 are provided in the positioning base plate 10; the right side of the positioning bottom plate 10 is provided with an oil way rotary distributor 18; the oil passage rotary distributor 18 supplies oil to the built-in oil passage 100; the compaction head 14 is driven by a hydraulic cylinder; the hydraulic cylinder is connected to the corresponding side built-in oil passage 100.
The working principle of the casting blank machining positioning device is as follows:
when the device works, a casting blank 20 is placed between the profiling guide error-proofing blocks 11 and is positioned on the positioning seat 12 and the pressing supporting seat 17, at the moment, a pair of positioning pins 13 are respectively inserted into the circular hole 200 and the kidney-shaped hole 201 on the casting blank 20, at the moment, if the casting blank 20 is placed in place, the positioning gas detection device detects normally, and the system does not give an alarm; if the casting blank 20 is put in place, the positioning gas detection device detects abnormality and the system gives an alarm, and then an operator can adjust the position of the casting blank 20 until the system stops giving an alarm; then the pressing head 14 swings to press the casting blank 20, if the casting blank 20 is actually pressed, the detection of the pressing gas detection device is normal, and the system does not give an alarm; if the casting blank 20 is not clamped, the pressing gas detection device detects abnormality, the system is ensured, and then an operator checks whether the pressing head 14 works in place until the system stops alarming; thus, the clamping of the casting blank can be ensured to be in place;
the working principle of the positioning gas detection device is as follows: when the casting blank 20 is not put in place, the upper part of the positioning air hole 1700 is not in contact with the casting blank 20, at the moment, air can flow out, the maximum air leakage state is achieved, the air pressure is lower than the set pressure value, and a system alarms; when the casting blank 20 is put in place, the positioning air holes 1700 are attached to the contact surface of the casting blank 20, so that gas leakage is prevented, air pressure is normal, and the system operates normally;
the working principle of the compaction gas detection device is as follows: the pressing head 14 works in the clamping process of the casting blank 20, and the air detection pressure column 162 is driven to be pressed into the air detection support column 161 through the follow-up support 141 on the pressing head 14;
when the hydraulic cylinder does not work, the follow-up support 141 does not act on the downward force of the air detection pressure post 162, the air detection pressure post 162 bounces upwards under the action of the air detection pressure spring 164, so that the horizontal outer air hole 1610 is communicated with the horizontal inner air hole 16200, air can flow out, the maximum air leakage state is achieved, the air pressure is lower than the set maximum leakage amount, and the system alarms; when the hydraulic cylinder works, the servo support 141 presses the air pressure detecting column 162 downwards, the horizontal outer air hole 1610 is staggered with the horizontal inner air hole 16200, air leakage is blocked, the air pressure is smaller than the maximum leakage amount, and the system operates normally.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides a foundry goods blank machine tooling positioner which characterized in that: comprises a positioning bottom plate (10); a plurality of profile modeling guide error-proofing blocks (11) matched with the casting blank (20), a pair of positioning seats (12), a plurality of pressing supporting seats (17) and a plurality of pressing heads (14) arranged on the pressing supporting seats (17) in a swinging mode are arranged on the positioning bottom plate (10); a positioning pin (13) is vertically and elastically arranged on the positioning seat (12) in a telescopic manner; the pair of positioning pins (13) are respectively matched with the round hole (200) and the waist-shaped hole (201) on the casting blank (20); the central point of the round hole (200) on the casting blank (20) and the central point of the waist-shaped hole (201) are positioned on the same straight line; a positioning gas detection device is arranged on the pressing support seat (17); the positioning gas detection device is used for detecting whether the casting blank (20) is put in place; a pressing gas detection device is arranged on the pressing head (14); the compaction gas detection device is used for detecting whether the compaction head (14) works or not.
2. The rough cast machine positioning apparatus of claim 1, wherein: the positioning gas detection device comprises a positioning gas pipe (170) formed in the pressing support seat (17); a positioning air hole (1700) is formed on the upper end surface of the pressing support seat (17); the positioning air hole (1700) is communicated with the positioning air pipe (170); the positioning air pipe (170) is connected with an external air supply device, and an air pressure detector is arranged at the outer end of the positioning air pipe (170).
3. The apparatus of claim 1, wherein: the pressing gas detection device comprises an L-shaped follow-up bracket (141) fixed on the pressing head (14) and a gas detection column (16) arranged on the lower side of the follow-up bracket (141); the gas detection column (16) comprises a circular cylindrical gas detection support column (161); a lower air inlet seat (163) is fixed at the lower part of the opening of the air detection supporting column (161); a lower air inlet hole (1630) is formed on the lower air inlet seat (163); an upper end opening of the gas detection supporting column (161) is vertically provided with a gas detection pressure column (162) in a telescopic manner; a lower air inlet cavity (1620) is formed on the bottom surface of the air pressure detecting column (162); a gas detection pressure spring (164) is fixed on the lower gas inlet seat (163); the upper end of the air detection pressure spring (164) is positioned in the lower air inlet cavity (1620) and is fixed on the upper side wall of the lower air inlet cavity (1620); a horizontal inner air hole (16200) is formed on one side of the side wall of the lower air inlet cavity (1620); a horizontal outer air hole (1610) matched with the horizontal inner air hole (16200) is formed at the upper end of the side wall of the air detection supporting column (161); when the air pressure detecting column (162) is positioned at the uppermost end, the horizontal outer air hole (1610) is communicated with the horizontal inner air hole (16200); the lower air inlet seat (163) is connected with an external air supply device, and an air pressure detector is arranged at the air outlet end of the air supply device.
4. The apparatus of claim 1, wherein: a compaction column (15) is arranged at the outer side end of the compaction head (14); a pressing block (151) is formed at the lower end of the pressing column (15); the bottom surface of the pressing block (151) is provided with sawteeth.
5. The apparatus of claim 1, wherein: a vertical telescopic groove (120) for the positioning pin (13) to be vertically inserted is formed on the upper end surface of the positioning seat (12); the vertical telescopic groove (120) consists of an upper cylindrical groove and a lower cylindrical groove, and the diameter of the upper cylindrical groove is smaller than that of the lower cylindrical groove; a pin base matched with the cylindrical groove on the lower side of the vertical telescopic groove (120) is formed at the bottom of the positioning pin (13); a positioning compression spring (121) is arranged in the cylindrical groove on the lower side of the vertical telescopic groove (120); the upper end of the positioning pressure spring (121) abuts against the lower end face of the pin base, and the lower end of the positioning pressure spring abuts against the lower side wall of the vertical telescopic groove (120).
6. The rough cast machine positioning apparatus of claim 1, wherein: a plurality of built-in oil ways (100) are arranged in the positioning bottom plate (10); an oil way rotary distributor (18) is arranged on the right side of the positioning bottom plate (10); the oil way rotary distributor (18) supplies oil to the built-in oil way (100); the pressing head (14) is driven by a hydraulic cylinder; the hydraulic cylinder is connected with the built-in oil passage (100) on the corresponding side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221585404.8U CN217513417U (en) | 2022-06-23 | 2022-06-23 | Casting blank machining positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221585404.8U CN217513417U (en) | 2022-06-23 | 2022-06-23 | Casting blank machining positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217513417U true CN217513417U (en) | 2022-09-30 |
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ID=83392816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221585404.8U Active CN217513417U (en) | 2022-06-23 | 2022-06-23 | Casting blank machining positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217513417U (en) |
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2022
- 2022-06-23 CN CN202221585404.8U patent/CN217513417U/en active Active
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