CN212822769U - Semi-automatic clamping general tool for turning inner circle of flywheel gear ring - Google Patents
Semi-automatic clamping general tool for turning inner circle of flywheel gear ring Download PDFInfo
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- CN212822769U CN212822769U CN202021416455.9U CN202021416455U CN212822769U CN 212822769 U CN212822769 U CN 212822769U CN 202021416455 U CN202021416455 U CN 202021416455U CN 212822769 U CN212822769 U CN 212822769U
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- pressing block
- jaw chuck
- gear ring
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- pull rod
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Abstract
The utility model discloses a semi-automatic clamping general frock of circle in flywheel ring gear car relates to clamping device's field, has solved present centre gripping mode and has caused the technical problem that the ring gear warp easily. The three-jaw chuck comprises three jaws and at least three mounting seats, wherein the three jaws are mounted on the three-jaw chuck; the mounting seat is arranged on the three-jaw chuck in an adjustable position, and a pressing block is hinged above the mounting seat; and a tensioning mechanism is arranged in the three-jaw chuck and is connected with the pressing block through a lever mechanism. The utility model discloses can carry out effectual centre gripping to the ring gear, and easy operation, commonality are strong, have increased the stability of processing to reduce the deflection of ring gear, improved the qualification rate of product.
Description
Technical Field
The utility model relates to a clamping device, more specifically say, it relates to a semi-automatic clamping general frock of circle in flywheel ring gear car.
Background
In the design of gear ring products, the size of the inner circle of a gear ring is an important reference size, and the precision of the gear ring directly influences the next procedure, so the procedure of machining and turning the inner circle is an important procedure which must be strictly controlled. The thin-wall gear ring with the diameter of 200-500mm and the wall thickness of 15-40mm comprises the following processing steps: forging, normalizing, machining, hobbing, and tooth surface induction quenching. After the thin-wall gear ring is forged, thermal stress and structural stress exist, so that the gear ring is easy to deform. And when the inner circle of the gear ring is machined subsequently, the gear ring is fixed by adopting a mode that the three-jaw chuck clamps the outer circle of the gear ring at present. Because the wall thickness of the gear ring is thinner, if the clamping force is too large, the gear ring is easy to deform, and the dimensional accuracy is difficult to ensure; if the clamping force is too small, the product is easily flied.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to prior art, a semi-automatic clamping general frock of circle in the flywheel ring gear car is provided, can carry out effectual centre gripping to the ring gear to the deflection of ring gear has been reduced.
The technical scheme of the utility model lies in: a semi-automatic clamping universal tool for turning an inner circle of a flywheel gear ring comprises a three-jaw chuck, wherein three clamping jaws are arranged on the three-jaw chuck, and the tool also comprises at least three mounting seats; the mounting seat is arranged on the three-jaw chuck in an adjustable position, and a pressing block is hinged above the mounting seat; and a tensioning mechanism is arranged in the three-jaw chuck and is connected with the pressing block through a lever mechanism.
The lever mechanism comprises a connecting strip, a support and a pressing block pull rod; the support is installed on the installation seat, the tail end of the pressing block is hinged to the support, one end of the connecting strip is hinged to the middle of the pressing block, the other end of the connecting strip is hinged to the upper end of the pressing block pull rod, and the lower end of the pressing block pull rod is movably inserted into the tensioning mechanism in an inserting mode.
Furthermore, the both sides of mount pad all are equipped with the mounting panel, set up at least one long waist shape through-hole on the mounting panel, it has fixing bolt to peg graft in the long waist shape through-hole, fixing bolt connects on the three-jaw chuck soon.
Furthermore, a plurality of screw holes are formed in the three-jaw chuck below the long waist-shaped through hole, the screw holes are arranged along the center direction of the three-jaw chuck, and the fixing bolts are screwed in the corresponding screw holes.
Furthermore, the tensioning mechanism comprises a tensioning plate and an oil cylinder pull rod; the oil cylinder pull rod is movably inserted on the tensioning plate and sequentially penetrates through the tensioning plate and the three-jaw chuck; the tensioning plate is provided with a plurality of connecting rods extending outwards, and the connecting rods are correspondingly inserted into the mounting seats one by one; the pressing block pull rod penetrates through the mounting seat and is movably inserted into the connecting rod.
Furthermore, a long waist-shaped mounting hole is formed in the connecting rod and extends to the tail end of the connecting rod; the lower end of the pressing block pull rod is provided with an inserting section, a limiting block is arranged below the inserting section, and the inserting section is inserted into the long waist-shaped mounting hole.
Furthermore, the tail end of the connecting rod is provided with a seal head.
Furthermore, a first cushion block is arranged on the mounting seat below the pressing block.
Furthermore, the clamping jaws are arranged on the three-jaw chuck through the second cushion block.
Advantageous effects
The utility model has the advantages that: a plurality of mounting seats are arranged on the three-jaw chuck, a pressing block is arranged above the mounting seats, and the pressing block is connected with a tensioning mechanism positioned on the three-jaw chuck through a lever mechanism. The gear ring is clamped and positioned by the clamping jaws on the three-jaw chuck, and then the gear ring is compressed by the pressing block, so that the purpose of clamping the gear ring is realized, the problem that the gear ring is easily deformed due to the fact that the gear ring is clamped by the three-jaw chuck is solved, and the deformation of the gear ring is effectively reduced. Meanwhile, the processing stability is improved, and the product percent of pass is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic structural view of the mounting base of the present invention;
fig. 4 is a schematic top view of the three-jaw chuck of the present invention;
FIG. 5 is a schematic diagram of the structure of the pressing block of the present invention;
FIG. 6 is a schematic view of the connecting seat structure of the present invention;
FIG. 7 is a schematic view of the structure of the press block pull rod of the present invention;
fig. 8 is a schematic diagram of the structure of the tension plate of the present invention.
Wherein: 1-three-jaw chuck, 2-clamping jaw, 3-mounting seat, 4-pressing block, 5-connecting strip, 6-support, 7-pressing block pull rod, 8-mounting plate, 9-long waist-shaped through hole, 10-screw hole, 11-tensioning plate, 12-oil cylinder pull rod, 13-connecting rod, 14-long waist-shaped mounting hole, 15-splicing section, 16-limiting block, 17-end socket, 18-first cushion block, 19-second cushion block and 20-gear ring.
Detailed Description
The present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention, but are intended to be covered by the appended claims in any way.
Referring to fig. 1-8, the utility model discloses a semi-automatic clamping general frock of circle in flywheel ring gear car, including three-jaw chuck 1 and three mount pad 3. The mount 3 is used for placing the ring gear 20. Three clamping jaws 2 are arranged on the three-jaw chuck 1. The three clamping jaws 2 and the three mounting seats 3 are uniformly arranged on the periphery of the three-jaw chuck 1, and the mounting seats 3 and the clamping jaws 2 are arranged at intervals. The mounting seat 3 is arranged on the three-jaw chuck 1 in an adjustable position, and a pressing block 4 is hinged above the mounting seat 3; the three-jaw chuck 1 is internally provided with a tensioning mechanism, and the tensioning mechanism is connected with the pressing block 4 through a lever mechanism. During machining, the gear ring 20 is placed on the jaws 2 and the mount 3, and the gear ring 20 is located between the mount 3 and the press block 4. Then the ring gear 20 is clamped and positioned by the jaws 2. It should be noted that, when the claw 2 clamps and positions the ring gear 20, the claw 2 only needs to be in contact with the ring gear 20. And then the gear ring 20 is tightly pressed by the pressing block 4, so that the purpose of clamping the gear ring 20 is realized, the problem that the gear ring 20 is easy to deform because the gear ring 20 is only clamped by the three-jaw chuck 1 is solved, and the deformation of the gear ring 20 is effectively reduced. And this frock has six contact points with ring gear 20, has increased the stability of processing, does benefit to the qualification rate that improves the product. And this frock only needs earlier make jack catch 2 to the centre gripping location of ring gear 20 when the operation, acts on lever mechanism through straining mechanism, makes lever mechanism pull-down briquetting 4 compress tightly ring gear 20 can, easy operation can effectual reduction operating time, promotes work efficiency.
Wherein, the lever mechanism comprises a connecting strip 5, a support 6 and a briquetting pull rod 7; the support 6 is installed on the mounting seat 3, the tail end of the pressing block 4 is hinged to the support 6, one end of the connecting strip 5 is hinged to the middle of the pressing block 4, the other end of the connecting strip 5 is hinged to the upper end of the pressing block pull rod 7, and the lower end of the pressing block pull rod 7 is movably connected to the tensioning mechanism in an inserted mode. The support 6 is used for providing a lever supporting point for the pressing block 4. When the pressing block pull rod 7 is pulled down by the tensioning mechanism, the pressing block 4 is pulled by the pressing block pull rod 7, and the other end of the pressing block 4 is pressed down due to the fact that the support 6 provides a lever supporting point for the pressing block 4, so that the gear ring 20 is compressed.
The both sides of mount pad 3 all are equipped with mounting panel 8, mounting panel 8 and 3 formula structures as an organic whole of mount pad. Two long waist-shaped through holes 9 are formed in the mounting plate 8, fixing bolts are inserted into the long waist-shaped through holes 9 and are screwed on the three-jaw chuck 1. When the position of the mounting seat 3 on the three-jaw chuck 1 is adjusted, the fixing bolt is only required to be unscrewed, and the mounting seat 3 is moved, so that the fixing bolt can move in the long waist-shaped through hole 9. After the movement is finished, the mounting base 3 is locked on the three-jaw chuck 1 by screwing the fixing bolt, so that the position of the mounting base 3 on the three-jaw chuck 1 can be adjusted.
Preferably, the three-jaw chuck 1 below the long kidney-shaped through hole 9 is provided with a plurality of screw holes 10, the screw holes 10 are arranged along the central direction of the three-jaw chuck 1, and the fixing bolts are screwed in the corresponding screw holes 10. The different screw 10 in this frock accessible change position promptly, the mobilizable scope of further increase mount pad 3, great improvement this frock's commonality.
The tensioning mechanism comprises a tensioning plate 11 and an oil cylinder pull rod 12; the oil cylinder pull rod 12 is movably inserted on the tensioning plate 11 and sequentially penetrates through the tensioning plate 11 and the three-jaw chuck 1; three connecting rods 13 extending outwards are arranged on the tensioning plate 11, and the connecting rods 13 are correspondingly inserted into the mounting base 3 one by one; the press block pull rod 7 penetrates through the mounting base 3 and is movably inserted on the connecting rod 13. Specifically, a slot is arranged in the mounting seat 3, and the connecting rod 13 is inserted in the slot; the connecting rod 13 is of an integral structure with the tension plate 11. A long waist-shaped mounting hole 14 is formed in the connecting rod 13, and the long waist-shaped mounting hole 14 extends to the tail end of the connecting rod 13; the lower end of the pressing block pull rod 7 is provided with an inserting section 15, a limiting block 16 is arranged below the inserting section 15, and the inserting section 15 is inserted into the long waist-shaped mounting hole 14. Specifically, the pressing block pull rod 7 is a cylinder, the upper end of the pressing block pull rod is provided with a hinge hole hinged with the connecting strip 5, and the lower end of the pressing block pull rod is provided with an inserting section 15. Two symmetrically arranged tangent planes are arranged on the side surface of the insertion section 15. Namely, two symmetrical tangent planes are arranged on the side surface of the lower end of the pressing block pull rod 7, so that an insertion section 15 is formed, and the distance between the two tangent planes is the width of the long waist-shaped mounting hole 14, so that the insertion section 15 can be inserted into the long waist-shaped mounting hole 14. The section does not penetrate the briquetting pull rod 7 in the axial direction of the briquetting pull rod 7, so that a limit block 16 is formed below the insertion section 15. The connecting rod 13 is positioned by the limiting block 16, so that the pressing block pull rod 7 can be effectively pulled down when the connecting rod 13 is pulled down. Similarly, due to the positioning of the step above the section to the connecting rod 13, when the connecting rod 13 moves upwards, the connecting rod can push the briquetting pull rod 7 to move upwards. Wherein, the oil cylinder pull rod 12 is connected with the machine tool rotary oil cylinder to provide tension for the whole tool. When the oil cylinder pull rod 12 moves downwards, the oil cylinder pull rod 12 pulls the tensioning plate 11 downwards. Because the insertion section 15 of the briquetting pull rod 7 is inserted in the connecting rod 13, and the limiting block 16 for positioning the briquetting pull rod 7 is arranged below the insertion section 15, the connecting rod 13 can effectively pull down the briquetting pull rod 7. When the oil cylinder pull rod 12 moves upwards, the pressing block pull rod 7 can push the pressing block 4 to move upwards due to the limit of the step above the tangent plane to the connecting rod 13, and the gear ring 20 is loosened.
The end of the connecting rod 13 is provided with a seal head 17. Because the long kidney-shaped mounting hole 14 on the connecting rod 13 extends to the tail end of the connecting rod 13, the end enclosure 17 is arranged for ensuring that the briquetting pull rod 7 cannot fall out of the long kidney-shaped mounting hole 14 and preventing the connecting rod 13 from deforming in the process of pulling the briquetting pull rod 7 by the connecting rod 13. The rigidity of the connecting rods 13 positioned on two sides of the long kidney-shaped mounting hole 14 is increased through the seal heads 17, so that the situation is well avoided.
Preferably, the mounting seat 3 below the pressing block 4 is provided with a first cushion block 18. The first cushion block 18 is directly contacted with the gear ring 20, and is not only used for adjusting the flatness of the gear ring 20 on the three-jaw chuck 1, but also plays a role in protecting the gear ring 20.
Preferably, the jaws 2 are mounted on the three-jaw chuck 1 by means of a second block 19. The second pad 19 is used to adjust the height of the jaws 2 to level the ring gear 20.
The utility model discloses a theory of operation is: placing a gear ring 20 on the jaws 2 and the mounting base 3, and enabling the gear ring 20 to be located between the first cushion block 18 on the mounting base 3 and the pressing block 4; the ring gear 20 is then leveled by the first head block 18 and the second head block 19. Then the ring gear 20 is clamped and positioned by the jaws 2. Starting a machine tool rotary oil cylinder, and pulling an oil cylinder pull rod 12 to move downwards; the oil cylinder pull rod 12 moving downwards drives the tensioning plate 11 to move downwards. Since the pressure piece tension rod 7 is inserted into the connecting rod 13 of the tension plate 11, the pressure piece tension rod 7 is pulled down when the tension plate 11 moves down. The press block pull rod 7 moving downwards pulls the press block 4 connected with the press block pull rod in a hinged mode, so that the gear ring 20 located between the press block 4 and the mounting seat 5 is pressed by the press block 4, and the purpose of clamping the gear ring 20 is achieved.
The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.
Claims (9)
1. A semi-automatic clamping universal tool for turning an inner circle of a flywheel gear ring comprises a three-jaw chuck (1), wherein three clamping jaws (2) are mounted on the three-jaw chuck (1), and the tool is characterized by further comprising at least three mounting seats (3); the mounting seat (3) is arranged on the three-jaw chuck (1) in an adjustable position, and a pressing block (4) is hinged above the mounting seat (3); and a tensioning mechanism is arranged in the three-jaw chuck (1), and the tensioning mechanism is connected with the pressing block (4) through a lever mechanism.
2. The semi-automatic clamping general tool for the turning inner circle of the flywheel gear ring is characterized by comprising a connecting bar (5), a support (6) and a pressing block pull rod (7); the support (6) is installed on the installation seat (3), the tail end of the pressing block (4) is hinged to the support (6), one end of the connecting strip (5) is hinged to the middle of the pressing block (4), the other end of the connecting strip (5) is hinged to the upper end of the pressing block pull rod (7), and the lower end of the pressing block pull rod (7) is movably inserted into the tensioning mechanism.
3. The semi-automatic clamping general tool for the inner circle of the flywheel gear ring lathe according to claim 2 is characterized in that mounting plates (8) are arranged on two sides of the mounting seat (3), at least one long waist-shaped through hole (9) is formed in each mounting plate (8), a fixing bolt is inserted into each long waist-shaped through hole (9), and each fixing bolt is screwed on the three-jaw chuck (1).
4. The semi-automatic clamping general tool for the turning inner circle of the flywheel gear ring is characterized in that a plurality of screw holes (10) are formed in the three-jaw chuck (1) below the long kidney-shaped through hole (9), the screw holes (10) are arranged along the center direction of the three-jaw chuck (1), and the fixing bolts are screwed in the corresponding screw holes (10).
5. The semi-automatic clamping general tool for turning the inner circle of the flywheel gear ring is characterized by comprising a tensioning plate (11) and an oil cylinder pull rod (12); the oil cylinder pull rod (12) is movably inserted on the tensioning plate (11) and sequentially penetrates through the tensioning plate (11) and the three-jaw chuck (1); a plurality of connecting rods (13) extending outwards are arranged on the tensioning plate (11), and the connecting rods (13) are correspondingly inserted into the mounting seat (3) one by one; the pressing block pull rod (7) penetrates through the mounting base (3) and is movably inserted into the connecting rod (13).
6. The semi-automatic clamping general tool for the turning inner circle of the flywheel gear ring is characterized in that a long waist-shaped mounting hole (14) is formed in the connecting rod (13), and the long waist-shaped mounting hole (14) extends to the tail end of the connecting rod (13); the lower end of the pressing block pull rod (7) is provided with an inserting section (15), a limiting block (16) is arranged below the inserting section (15), and the inserting section (15) is inserted into the long waist-shaped mounting hole (14).
7. The semi-automatic clamping general tool for the turning inner circle of the flywheel gear ring as claimed in claim 6, wherein a seal head (17) is mounted at the tail end of the connecting rod (13).
8. The semi-automatic clamping general tool for the turning inner circle of the flywheel gear ring is characterized in that a first cushion block (18) is arranged on the mounting seat (3) below the pressing block (4).
9. The semi-automatic clamping universal tool for the turning inner circle of the flywheel gear ring is characterized in that the clamping jaws (2) are installed on the three-jaw chuck (1) through second cushion blocks (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021416455.9U CN212822769U (en) | 2020-07-17 | 2020-07-17 | Semi-automatic clamping general tool for turning inner circle of flywheel gear ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021416455.9U CN212822769U (en) | 2020-07-17 | 2020-07-17 | Semi-automatic clamping general tool for turning inner circle of flywheel gear ring |
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| Publication Number | Publication Date |
|---|---|
| CN212822769U true CN212822769U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021416455.9U Active CN212822769U (en) | 2020-07-17 | 2020-07-17 | Semi-automatic clamping general tool for turning inner circle of flywheel gear ring |
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| CN (1) | CN212822769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857535A (en) * | 2021-10-18 | 2021-12-31 | 航天材料及工艺研究所 | Rapid clamping device and method for thin-wall long-cone-shaped cabin section |
| CN113977423A (en) * | 2021-10-18 | 2022-01-28 | 德清勤龙磨床制造有限公司 | Numerical control vertical double-grinding head multifunctional grinding machine |
-
2020
- 2020-07-17 CN CN202021416455.9U patent/CN212822769U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857535A (en) * | 2021-10-18 | 2021-12-31 | 航天材料及工艺研究所 | Rapid clamping device and method for thin-wall long-cone-shaped cabin section |
| CN113977423A (en) * | 2021-10-18 | 2022-01-28 | 德清勤龙磨床制造有限公司 | Numerical control vertical double-grinding head multifunctional grinding machine |
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