CN219684712U - Tyre expanding clamp for outer spigot iron shell base of vehicle - Google Patents
Tyre expanding clamp for outer spigot iron shell base of vehicle Download PDFInfo
- Publication number
- CN219684712U CN219684712U CN202320952195.4U CN202320952195U CN219684712U CN 219684712 U CN219684712 U CN 219684712U CN 202320952195 U CN202320952195 U CN 202320952195U CN 219684712 U CN219684712 U CN 219684712U
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- pull rod
- connecting piece
- hole
- main body
- face
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 30
- 239000000428 dust Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model relates to a tyre expanding clamp of an iron shell base of an outer spigot of a vehicle, which has high concentricity and parallelism of two outer spigots, and good concentricity of the inner diameter of a linear stator core and the two spigots of the base, wherein a cylinder is arranged on the front end surface of a base in a main body of an expanding sleeve; the rear end face of the base is provided with a pull rod connecting piece mounting groove, a pull rod connecting piece is arranged in the pull rod connecting piece mounting groove, and the front end face of the pull rod connecting piece is provided with a threaded hole; the front end face of the conical column is provided with a main body pull rod through hole; the central through hole of the expansion sleeve is a conical through hole, the expansion sleeve is sleeved on the conical column, and the diameter of the largest circle of the conical through hole is matched with the diameter of the largest circle of the conical column; the rod body in the main body pull rod is provided with threads, and the front end of the rod body in the main body pull rod is in screwed connection fit with the threaded hole in the pull rod connecting piece after passing through the main body pull rod through hole. The advantages are that: the tyre expanding clamp of the outer spigot iron shell base of the vehicle is high in concentricity and parallelism of two outer spigots, and the inner diameter of the linear stator core and the concentricity of the two spigots of the base are good.
Description
Technical Field
The utility model belongs to the field of motor manufacturing, and particularly relates to a tyre expanding clamp for an iron shell base of an external spigot of a vehicle.
Background
Before the driver, the turning and turning processing are carried out on the machine base (such as CN 105058129A and the name of a disc chuck type tool for finish turning of the machine base) through a hard three-jaw and spigot positioning tool, so that the following problems exist:
(1) Because turning is needed, concentricity and parallelism of the two rabbets cannot meet design requirements, and the flange runout is large when the B5 end cover is installed;
(2) After the wire stator is pressed into the shell, the concentricity problem exists in the wire stator core, so that the concentricity of the inner diameter of the wire stator core and two seam allowance of the machine base cannot be 100% to ensure the design requirement, and the problems of electromagnetic sound, large mechanical loss and the like are easily generated;
analyzing the reason:
(1) Because the machining references are different due to the head adjusting vehicle, the concentricity cannot meet the design requirement;
(2) In the process of turning around, when the existing spigot positioning tool is adopted to fix the stand, the scrap iron of outgoing lines is easy to clean or the stand is not flattened, and the problem of out-of-parallel degree is easy to occur;
(3) The concentricity of the final motor is the concentricity of the inner diameter of the linear stator core and the outer diameter of the rotor, and the concentricity of the outer diameter of the rotor depends on two spigot of the machine base, so the final concentricity is mainly the concentricity of the inner diameter of the linear stator core and the two spigot of the machine base, and the existing processing mode can only ensure the concentricity of the machine base at most, but cannot ensure the concentricity of the inner diameter of the linear stator core and the two spigot of the machine base;
disclosure of Invention
The design purpose is as follows: in order to avoid the defects in the background art, a tyre expanding clamp of the outer spigot iron shell base of the vehicle is designed, wherein the concentricity and the parallelism of the two outer spigots are high, and the inner diameter of the linear stator core and the concentricity of the two spigots of the base are good.
The design scheme is as follows: to achieve the above design objective.
1. The expansion sleeve main body consists of a base, a cylinder and a conical column, wherein the base, the cylinder and the conical column are of an integral structure, the front end face of the base is provided with the cylinder, and the front end face of the cylinder is provided with the conical column; the rear end face of the base is provided with a pull rod connecting piece mounting groove, a pull rod connecting piece is arranged in the pull rod connecting piece mounting groove, and the front end face of the pull rod connecting piece is provided with a threaded hole; the front end face of the conical column is provided with a main body pull rod through hole which extends inwards until the main body pull rod through hole is communicated with the pull rod connecting piece mounting groove, and the symmetrical center line of the main body pull rod through hole is overlapped with the symmetrical center line of a threaded hole of the pull rod connecting piece arranged in the pull rod connecting piece mounting groove; the central through hole of the expansion sleeve is a conical through hole, the taper of the conical through hole is matched with that of the conical column, the expansion sleeve is sleeved on the conical column, the length of the conical through hole is larger than that of the conical column, and the diameter of the largest circle of the conical through hole is matched with that of the largest circle of the conical column; the main body pull rod is T-shaped, threads are arranged on a rod body in the main body pull rod, the front end of the rod body in the main body pull rod is in screwed connection fit with a threaded hole in the pull rod connecting piece after passing through the main body pull rod through hole, and the inner side surface of the wide end in the main body pull rod is in contact with the outer side surface of the expansion sleeve; when external force pulls the main body pull rod to one side of the base through the pull rod connecting piece, the main body pull rod pushes the expansion sleeve to move to the wide diameter end of the conical column, and the expansion sleeve is gradually opened to enable the outer diameter of the expansion sleeve to be enlarged. The purpose of this design is: the expansion sleeve main body consists of a base, a cylinder and a conical column, wherein the base, the cylinder and the conical column are of an integral structure, the front end face of the base is provided with the cylinder, and the front end face of the cylinder is provided with the conical column; the rear end face of the base is provided with a pull rod connecting piece mounting groove, a pull rod connecting piece is arranged in the pull rod connecting piece mounting groove, and the front end face of the pull rod connecting piece is provided with a threaded hole; the front end face of the conical column is provided with a main body pull rod through hole which extends inwards until the main body pull rod through hole is communicated with the pull rod connecting piece mounting groove, and the symmetrical center line of the main body pull rod through hole is overlapped with the symmetrical center line of a threaded hole of the pull rod connecting piece arranged in the pull rod connecting piece mounting groove; the central through hole of the expansion sleeve is a conical through hole, the taper of the conical through hole is matched with that of the conical column, the expansion sleeve is sleeved on the conical column, the length of the conical through hole is larger than that of the conical column, and the diameter of the largest circle of the conical through hole is matched with that of the largest circle of the conical column; the main body pull rod is T-shaped, threads are arranged on a rod body in the main body pull rod, the front end of the rod body in the main body pull rod is in screwed connection fit with a threaded hole in the pull rod connecting piece after passing through the main body pull rod through hole, and the inner side surface of the wide end in the main body pull rod is in contact with the outer side surface of the expansion sleeve; when external force pulls the main body pull rod to one side of the base through the pull rod connecting piece, the main body pull rod pushes the expansion sleeve to move to the wide diameter end of the conical column, and the expansion sleeve is gradually opened at the moment so that the outer diameter of the expansion sleeve is increased; because the clamp is used for clamping the iron shell base provided with the wire stator by adopting the expansion sleeve, the lathe can process two outer spigots of the base under the condition of once clamping (without head dropping), the concentricity and parallelism of the two outer spigots can meet the design requirements, and in addition, the wire stator and the iron shell base are clamped together, so that the inner diameter of the iron core of the wire stator and the concentricity of the two spigots of the base can be ensured.
2. The front end face of the flange is provided with a pull rod connecting piece through hole and penetrates through the front end face and the rear end face of the flange, the front end face of the flange is provided with a plurality of expansion sleeve main body mounting holes and a plurality of expansion sleeve main body mounting holes are arranged around the pull rod connecting piece through hole, and the rear end face of the flange is provided with a plurality of mounting through holes and a plurality of mounting through holes are arranged around the pull rod connecting piece through hole. The purpose of this design is: the front end face of the flange is provided with a pull rod connecting piece through hole and the pull rod connecting piece through hole penetrates through the front end face and the rear end face of the flange, the front end face of the flange is provided with a plurality of expansion sleeve main body mounting holes and a plurality of expansion sleeve main body mounting holes around the pull rod connecting piece through hole, the rear end face of the flange is provided with a plurality of mounting through holes and a plurality of mounting through holes around the pull rod connecting piece through hole, and the setting of the flange is convenient for realizing quick disassembly of the clamp and the lathe shaft.
3. The positioning sleeve is sleeved on the cylindrical body of the cylinder, the rear end mounting part of the positioning sleeve is fixedly connected with the front end surface of the base through a screw, and the positioning sleeve is a third technical feature of the utility model. The purpose of this design is: the cylindrical column body is sleeved with a locating sleeve and a locating sleeve rear end installation part, the rear end face of the installation part is fixedly connected with the front end face of the base through a screw, and the clamping efficiency of the iron shell base provided with the wire stator can be improved through the arrangement of the locating sleeve.
4. The design that the rear end face of the bottom plate in the dustproof cover is provided with a positioning ring sleeve, and the front end face of the bottom plate is provided with screw through holes penetrating through the front end face and the rear end face of the bottom plate is a fourth technical feature of the utility model. The purpose of this design is: the rear end face of the bottom plate in the dust cover is provided with a positioning ring sleeve, the front end face of the bottom plate is provided with screw through holes penetrating through the front end face and the rear end face of the bottom plate, and the dust cover is arranged to effectively prevent scrap iron from entering in the processing process.
The technical scheme is as follows: the tyre expanding clamp comprises an expanding sleeve main body, an expanding sleeve, a main body pull rod and a pull rod connecting piece, wherein the expanding sleeve main body consists of a base, a cylinder and a conical column, the base, the cylinder and the conical column are of an integral structure, the front end face of the base is provided with the cylinder, and the front end face of the cylinder is provided with the conical column; the rear end face of the base is provided with a pull rod connecting piece mounting groove, a pull rod connecting piece is arranged in the pull rod connecting piece mounting groove, and the front end face of the pull rod connecting piece is provided with a threaded hole; the front end face of the conical column is provided with a main body pull rod through hole which extends inwards until the main body pull rod through hole is communicated with the pull rod connecting piece mounting groove, and the symmetrical center line of the main body pull rod through hole is overlapped with the symmetrical center line of a threaded hole of the pull rod connecting piece arranged in the pull rod connecting piece mounting groove; the central through hole of the expansion sleeve is a conical through hole, the taper of the conical through hole is matched with that of the conical column, the expansion sleeve is sleeved on the conical column, the length of the conical through hole is larger than that of the conical column, and the diameter of the largest circle of the conical through hole is matched with that of the largest circle of the conical column; the main body pull rod is T-shaped, threads are arranged on a rod body in the main body pull rod, the front end of the rod body in the main body pull rod is in screwed connection fit with a threaded hole in the pull rod connecting piece after passing through the main body pull rod through hole, and the inner side surface of the wide end in the main body pull rod is in contact with the outer side surface of the expansion sleeve; when external force pulls the main body pull rod to one side of the base through the pull rod connecting piece, the main body pull rod pushes the expansion sleeve to move to the wide diameter end of the conical column, and the expansion sleeve is gradually opened at the moment so that the outer diameter of the expansion sleeve is enlarged.
Compared with the prior art, the tyre expanding clamp of the outer spigot iron shell base of the vehicle is high in concentricity and parallelism of two outer spigots, and good in concentricity of the inner diameter of the linear stator core and the two spigots of the base.
Drawings
FIG. 1 is a schematic cross-sectional view of a tire expansion fixture of an outer spigot shell housing.
Fig. 2 is a schematic cross-sectional view of the body of the tension sleeve.
Fig. 3 is a schematic cross-sectional view of the expansion shell.
Fig. 4 is a schematic cross-sectional structural view of the body tie.
Fig. 5 is a schematic cross-sectional view of the tie rod attachment.
Fig. 6 is a schematic cross-sectional view of a flange.
FIG. 7 is a schematic cross-sectional view of an annular stop block.
Detailed Description
Example 1: reference is made to fig. 1-7. The tyre expanding clamp of the outer spigot iron shell base comprises an expanding sleeve main body 1, an expanding sleeve 2, a main body pull rod 3 and a pull rod connecting piece 4, wherein the expanding sleeve main body 1 is composed of a base 11, a cylinder 12 and a conical column 13, the base 11, the cylinder 12 and the conical column 13 are of an integral structure, the front end face of the base 11 is provided with the cylinder 12, and the front end face of the cylinder 12 is provided with the conical column 13; the rear end face of the base 11 is provided with a pull rod connecting piece mounting groove 14, a pull rod connecting piece 4 is arranged in the pull rod connecting piece mounting groove 14, and the front end face of the pull rod connecting piece 4 is provided with a threaded hole 41; the front end surface of the conical column 13 is provided with a main body pull rod through hole 15, the main body pull rod through hole 15 extends inwards until the main body pull rod through hole is communicated with the pull rod connecting piece mounting groove 14, and the symmetrical center line of the main body pull rod through hole 15 coincides with the symmetrical center line of the threaded hole 41 of the pull rod connecting piece 4 arranged in the pull rod connecting piece mounting groove 14; the central through hole 21 of the expansion sleeve 2 is a conical through hole, the taper of the conical through hole is matched with that of the conical column 13, the expansion sleeve 2 is sleeved on the conical column 13, the length of the conical through hole is larger than that of the conical column 13, and the diameter of the largest circle of the conical through hole is matched with that of the largest circle of the conical column 13; the main body pull rod 3 is T-shaped, threads are arranged on a rod body in the main body pull rod 3, the front end of the rod body in the main body pull rod 3 is in screwed fit with a threaded hole 41 in the pull rod connecting piece 4 after passing through the main body pull rod through hole 15, and the inner side surface of a wide end in the main body pull rod 3 is in contact with the outer side surface of the expansion sleeve 2; when external force pulls the main body pull rod 3 to the base 11 side through the pull rod connecting piece 4, the main body pull rod 3 pushes the expansion sleeve 2 to move to the wide diameter end of the conical column 13, and at the moment, the expansion sleeve 2 is gradually opened so that the outer diameter of the expansion sleeve is increased. In use, the length of the tapered post 13 is 105mm, the length of the tapered through hole is 107mm, and the diameter of the largest circle of the tapered through hole is 70mm. The clamp is suitable for machining the iron shell stand with the center height of 132mm and below. The expansion sleeve 2 used by me is an existing product manufactured by yuzuan mechanical limited company.
The novel machine tool comprises a machine tool spindle, and is characterized by further comprising a flange 5, wherein a pull rod connecting piece through hole 51 is formed in the front end face of the flange 5, the pull rod connecting piece through hole 51 penetrates through the front end face and the rear end face of the flange 5, a plurality of expansion sleeve main body mounting holes 52 are formed in the front end face of the flange 5, the expansion sleeve main body mounting holes 52 are formed around the pull rod connecting piece through hole 51, a plurality of mounting through holes 53 are formed in the rear end face of the flange 5, the mounting through holes 53 are formed around the pull rod connecting piece through hole 51, and the flange 5 is conveniently mounted on the machine tool spindle through screws; the setting of the expansion sleeve main body mounting hole 52 is convenient for the flange 5 to realize fixed connection with the expansion sleeve main body 1 through the screw.
The positioning sleeve 6 is sleeved on the column body of the column 12, the rear end of the positioning sleeve 6 is provided with a mounting part 61, the front end surface of the mounting part 61 is provided with a fixed mounting hole, the fixed mounting hole penetrates through the front end surface and the rear end surface of the mounting part 61, the front end surface of the base 11 is provided with a threaded hole which is fixedly connected with the front end surface of the base 11 through a screw, and the fixed mounting hole is fixedly connected with the corresponding threaded hole through the screw after being communicated with the corresponding threaded hole; the iron shell stand 8 with the wire stator 9 is provided with a first annular groove at the rear end, the first annular groove 81 is positioned between the iron shell stand 8 and the wire stator 9, after the iron shell stand 8 with the wire stator 9 is sleeved on the expansion sleeve 2 positioned in the expansion sleeve main body 1, when the positioning sleeve 6 is in concave-convex fit with the first annular groove 81 and the front end surface of the positioning sleeve 6 is abutted against the inner spigot of the rear end surface of the iron shell stand 8, the iron shell stand 8 with the wire stator 9 is sleeved with the expansion sleeve main body 1, then the main body pull rod 3 is pulled to the base 11 side through a hydraulic pulling cylinder connected with the rear end of the pull rod connecting piece 4 to push the main body pull rod 3 to move towards the wide diameter end of the conical column 13, and at the moment, the expansion sleeve 2 is gradually opened to enable the outer circle diameter to be large until the expansion sleeve 2 is tightly expanded on the inner circle surface of the wire stator 9, so that the clamping of the stand is realized.
The dust cover 7 is further included, a positioning ring sleeve 72 is arranged on the rear end face of the bottom plate 71 in the dust cover 7, and screw through holes 73 penetrating through the front end face and the rear end face of the bottom plate 71 are formed in the front end face of the bottom plate 71; the iron shell base 8 with the wire stator 9 is provided with a second annular groove 82 at the front end, the second annular groove 82 is positioned between the iron shell base 8 and the wire stator 9, and then the dust cover 7 is arranged at the front end of the iron shell base 8 through the plug-in fit of the positioning ring 72 and the second annular groove 82. After the pull rod connecting piece 4 is installed in the pull rod connecting piece installation groove 14, the annular limiting baffle 10 is installed at the notch of the pull rod connecting piece installation groove 14 through a screw.
When the device is used, the flange 5 is arranged on a main shaft of a machine tool, the positioning sleeve 6 and the expansion sleeve 2 are arranged on the expansion sleeve main body 1, the pull rod connecting piece 4 and the main body pull rod 3 are arranged on the expansion sleeve main body 1, the end head of a piston rod of the hydraulic pull cylinder is fixedly connected with the pull rod connecting piece 4 to form an expansion tire, the expansion tire assembled into a whole is arranged on the flange 5, the iron shell base 8 with the wire stator 9 is sleeved on the expansion tire (the iron shell base 8 of the wire stator 9 is arranged on the expansion sleeve and is abutted against the positioning sleeve), the hydraulic pull cylinder is started, the expansion sleeve is driven to be spread through the pull rod connecting piece and the main body pull rod, the clamping base is clamped, and the dust cover is arranged to prevent iron filings from entering; and then starting the machine tool to process, and processing the two rabbets by taking the inner diameter of the linear stator core as a processing reference.
It should be understood that: although the above embodiments describe the design concept of the present utility model in more detail, these descriptions are merely descriptions of the design concept of the present utility model, and not limitations on the design concept of the present utility model, and any combination, addition or modification not exceeding the design concept of the present utility model falls within the scope of the present utility model.
Claims (5)
1. The utility model provides a child anchor clamps that rise of outer tang iron casing frame of car, includes cover main part (1), cover (2) rise, main part pull rod (3) and pull rod connecting piece (4) rise, characterized by: the expansion sleeve main body (1) is composed of a base (11), a cylinder (12) and a conical column (13), wherein the base (11), the cylinder (12) and the conical column (13) are of an integral structure, the front end face of the base (11) is provided with the cylinder (12), and the front end face of the cylinder (12) is provided with the conical column (13); the rear end face of the base (11) is provided with a pull rod connecting piece mounting groove (14), a pull rod connecting piece (4) is arranged in the pull rod connecting piece mounting groove (14), and the front end face of the pull rod connecting piece (4) is provided with a threaded hole (41); the front end face of the conical column (13) is provided with a main body pull rod through hole (15), the main body pull rod through hole (15) extends inwards until the main body pull rod through hole is communicated with a pull rod connecting piece mounting groove (14), and the symmetrical center line of the main body pull rod through hole (15) is overlapped with the symmetrical center line of a threaded hole (41) of a pull rod connecting piece (4) arranged in the pull rod connecting piece mounting groove (14); the central through hole (21) of the expansion sleeve (2) is a conical through hole, the taper of the conical through hole is matched with that of the conical column (13), the expansion sleeve (2) is sleeved on the conical column (13), the length of the conical through hole is larger than that of the conical column (13), and the diameter of the largest circle of the conical through hole is matched with that of the largest circle of the conical column (13); the main body pull rod (3) is T-shaped, threads are arranged on a rod body in the main body pull rod (3), the front end of the rod body in the main body pull rod (3) is in screwed connection fit with a threaded hole (41) in the pull rod connecting piece (4) after passing through the main body pull rod through hole (15), and the inner side surface of the wide end in the main body pull rod (3) is in contact with the outer side surface of the expansion sleeve (2); when external force pulls the main body pull rod (3) to one side of the base (11) through the pull rod connecting piece (4), the main body pull rod (3) pushes the expansion sleeve (2) to move to the wide diameter end of the conical column (13), and at the moment, the expansion sleeve (2) is gradually opened so that the outer diameter of the expansion sleeve is increased.
2. The tire expansion fixture of the outer spigot iron shell base of the vehicle according to claim 1, wherein the tire expansion fixture is characterized in that: still include flange (5), the preceding terminal surface of flange (5) is equipped with pull rod connecting piece through-hole (51) and pull rod connecting piece through-hole (51) link up the front and back both ends face of flange (5), the preceding terminal surface of flange (5) is equipped with a plurality of cover main part mounting holes that rise (52) and a plurality of cover main part mounting holes that rise (52) set up around pull rod connecting piece through-hole (51), the rear end face of flange (5) is equipped with a plurality of mounting holes (53) and a plurality of mounting holes (53) set up around pull rod connecting piece through-hole (51).
3. The tire expansion fixture of the outer spigot iron shell base of the vehicle according to claim 1, wherein the tire expansion fixture is characterized in that: the positioning sleeve (6) is sleeved on the column body of the column (12), the rear end of the positioning sleeve (6) is provided with the mounting part (61), and the rear end face of the mounting part (61) is fixedly connected with the front end face of the base (11) through a screw.
4. The tire expansion fixture of the outer spigot iron shell base of the vehicle according to claim 1, wherein the tire expansion fixture is characterized in that: the anti-dust device is characterized by further comprising a dust cover (7), wherein a positioning ring sleeve (72) is arranged on the rear end face of a bottom plate (71) in the dust cover (7), and screw through holes (73) penetrating through the front end face and the rear end face of the bottom plate (71) are formed in the front end face of the bottom plate (71).
5. The tire expansion fixture of the outer spigot iron shell base of the vehicle according to claim 1, wherein the tire expansion fixture is characterized in that: after the pull rod connecting piece (4) is arranged in the pull rod connecting piece mounting groove (14), the annular limiting baffle (10) is arranged at the notch of the pull rod connecting piece mounting groove (14) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320952195.4U CN219684712U (en) | 2023-04-20 | 2023-04-20 | Tyre expanding clamp for outer spigot iron shell base of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320952195.4U CN219684712U (en) | 2023-04-20 | 2023-04-20 | Tyre expanding clamp for outer spigot iron shell base of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219684712U true CN219684712U (en) | 2023-09-15 |
Family
ID=87969600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320952195.4U Active CN219684712U (en) | 2023-04-20 | 2023-04-20 | Tyre expanding clamp for outer spigot iron shell base of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219684712U (en) |
-
2023
- 2023-04-20 CN CN202320952195.4U patent/CN219684712U/en active Active
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