CN112846341B - Small-size cooling fan slotting machine frock - Google Patents
Small-size cooling fan slotting machine frock Download PDFInfo
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- CN112846341B CN112846341B CN202110006656.4A CN202110006656A CN112846341B CN 112846341 B CN112846341 B CN 112846341B CN 202110006656 A CN202110006656 A CN 202110006656A CN 112846341 B CN112846341 B CN 112846341B
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- cooling fan
- bottom plate
- clamping
- slotting machine
- small
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D7/00—Planing or slotting machines characterised only by constructional features of particular parts
Abstract
A small-size cooling fan slotting machine tool is used for clamping and fixing a cooling fan when a key groove is machined on the cooling fan conveniently. The slotting machine comprises a bottom plate, a base plate and a base, wherein the bottom plate is circular and is used for being arranged on the inner side of a chuck of the slotting machine; the cooling fan comprises a support, a cooling fan and a cooling fan, wherein the support is two, which are arranged in pairs and are fixedly connected with a bottom plate, a clamping cavity for clamping the cooling fan is arranged between the middle part of the support and the bottom plate, two pairs of supporting plates which are arranged in front and back are arranged in the clamping cavity, and the two supporting plates which are arranged in pairs are arranged on the left and right and are fixed with the bottom plate; the nut is fixed to the top of the support, a clamping bolt is installed on the nut in a matched mode, and a screw of the clamping bolt is used for being in contact with a blade disc of the cooling fan and is matched with the supporting plate to clamp the cooling fan. The invention can be convenient for clamping and fixing the cooling fan when the key slot processing is carried out on the cooling fan.
Description
Technical Field
The invention relates to the technical field of tools, in particular to a small-size cooling fan slotting machine tool.
Background
The air blower is applied to a plurality of environments in production and life. It is widely applied to various industrial departments of metallurgy, chemical industry, chemical fertilizer, petrifaction, food, building materials, petroleum, mines, textile, gas stations, pneumatic transmission, sewage treatment and the like. The centrifugal fan with the air cooling structure has the advantages that the centrifugal fan with the air cooling structure is well commented in the fan industry continuously by means of unique advantages, the air cooling fan solves the problem that the water cooling fan depends on cooling water, and the defect that the cooling effect of the air cooling fan is insufficient is overcome. The machining of a cooling fan of a key part of an air cooling fan is very important, and when a slotting machine is used for machining a key slot of the cooling fan at the present stage, two common methods are adopted, namely, a three-jaw chuck of the slotting machine is used for clamping the excircle of the cooling fan, then the alignment is carried out through an alignment chuck, and then the key slot machining is carried out; and secondly, the cooling fan is heightened by using a cushion block, then the cooling fan is tightly pressed and fixed by using a pressing plate, and then key groove processing is carried out. The above operation modes are all relatively complicated, and the processing efficiency is seriously influenced.
Disclosure of Invention
The invention aims to provide a small-size cooling fan slotting machine tool which is used for conveniently clamping and fixing a cooling fan during key groove machining of the cooling fan.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a small-size cooling fan slotting machine frock, characterized by, it includes:
the bottom plate is circular and is arranged on the inner side of the slotting machine chuck;
the cooling fan comprises a support, a cooling fan and a cooling fan, wherein the support is two, which are arranged in pairs and are fixedly connected with a bottom plate, a clamping cavity for clamping the cooling fan is arranged between the middle part of the support and the bottom plate, two pairs of supporting plates which are arranged in front and back are arranged in the clamping cavity, and the two supporting plates which are arranged in pairs are arranged on the left and right and are fixed with the bottom plate;
the nut is fixed to the top of the support, a clamping bolt is installed on the nut in a matched mode, and a screw of the clamping bolt is used for being in contact with a blade disc of the cooling fan and is matched with the supporting plate to clamp the cooling fan.
Furthermore, the bracket is a metal piece with a ']' -shaped structure, folded edges are arranged at two ends of the bracket, and a fixing bolt is arranged between each folded edge and the bottom plate.
Further, a centering mechanism for driving the base plate to be concentrically arranged with the cooling fan is also included.
Furthermore, centering mechanism includes the flexible unit of fixed connection relatively with the bottom plate, sets up the centering piece at flexible unit end, the upper end of centering piece is conical structure, realizes the centering to cooling fan after the toper outer wall of centering piece upper end and the cooling fan centre bore contact completely.
Furthermore, the telescopic unit is a cylinder, a mounting rod is fixed on the outer wall of the cylinder, the mounting rod is fixedly connected with the bottom plate, and the axis of the cylinder is collinear with the axis of the bottom plate.
Furthermore, the telescopic unit comprises a gear mounting plate fixed relative to the bottom plate, a pair of externally meshed telescopic gears rotatably mounted on the gear mounting plate, and a scissor type lifting mechanism arranged between the telescopic gears and the centering block; the first end of the scissor type lifting mechanism is hinged with the edge of the telescopic gear, the second end of the scissor type lifting mechanism is connected with the centering block in a sliding mode, a supporting rod is fixed on the centering block, and the supporting rod is hinged with the second end of the scissor type lifting mechanism.
Furthermore, the scissor type lifting mechanism comprises a plurality of groups of swing rods which are sequentially arranged, the two swing rods which are arranged in groups are hinged, the swing rod at the first end of the scissor type lifting mechanism is hinged with the edge of the telescopic gear, the swing rod at the second end of the scissor type lifting mechanism is connected with the centering block in a sliding mode, and a hinged shaft between the two swing rods at the second end of the scissor type lifting mechanism is hinged with the supporting rod.
Furthermore, a slide rod is arranged at the tail end of the swing rod at the second end of the scissor type lifting mechanism, and a guide groove in sliding connection with the slide rod is arranged on the centering block.
Furthermore, the clamping device also comprises a driving mechanism which is arranged on the bracket and is used for driving the two clamping bolts to synchronously act.
Further, the driving mechanism comprises a mounting plate arranged between the two brackets, a driving bolt in threaded connection with the mounting plate, a first gear fixed on the driving bolt, and a second gear fixedly connected with the clamping bolt and meshed with the first gear.
The invention has the beneficial effects that: according to the small-size cooling fan slotting machine tool, when a cooling fan is fixed, the stress point is the blade disc part of the cooling fan, and the blade disc is of a solid structure and is high in strength, so that the problem that the fan is frequently damaged in the traditional fixing mode is solved, and the rejection rate of products is effectively reduced; when the tool is used, the tool only needs to be aligned once without repeated alignment, and is fixed through the bolt, so that the working strength of installation and disassembly of workers is reduced while the proper clamping force is ensured, the production efficiency can be improved by more than one time, and the tool is more suitable for mass production of small parts; when the tool is fixed, the contact surface of the cooling fan and the tool is a processing plane, and the processing precision of the cooling fan key groove can be guaranteed as long as the alignment precision of the tool is guaranteed. Under the premise of solving the problems, the tool is simple in structure, low in manufacturing cost and convenient to maintain, all easily damaged parts can be replaced independently, the replacement cost is reduced, and the replacement efficiency is improved.
Drawings
FIG. 1 is a top view of a cooling fan;
FIG. 2 is a cross-sectional view of a cooling fan;
FIG. 3 is a front view of the present invention;
FIG. 4 is a side view of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a front view of the present invention clamping a cooling fan;
FIG. 7 is a top view of the present invention clamping a cooling fan;
FIG. 8 is a schematic view of a centering mechanism provided on the base plate of the present invention;
FIG. 9 is a schematic view of the centering mechanism in operation;
FIG. 10 is a schematic view of another configuration of the centering mechanism;
FIG. 11 is one of the assembling views of the centering block and the telescopic unit;
FIG. 12 is a second view of the assembly of the centering block and the telescopic unit;
FIG. 13 is a schematic view of the centering block in contact with the central hole of the cooling fan;
FIG. 14 is a top view of the drive mechanism;
FIG. 15 is a side view of the drive mechanism;
in the figure: the structure comprises a cooling fan 1, blades 11, a central hole 12, a bottom plate 2, a fixing bolt 21, a support 3, a support plate 4, a nut 5, a clamping bolt 51, a centering block 6, a support rod 61, a guide groove 62, a groove 63, a cylinder 7, a mounting rod 71, a swing rod 8, a slide rod 81, a telescopic gear 82, a first gear 9, a second gear 91, a driving bolt 92 and a mounting plate 93.
Detailed Description
As shown in fig. 2 to 15, the present invention mainly includes a base plate 2, a bracket 3, a support plate 4, and a clamp bolt 51, and the present invention will be described in detail with reference to the drawings.
As shown in fig. 1, a cooling fan 1 of a conventional air cooling fan is provided with a plurality of blades 11, a center hole 12 is formed in the center of the cooling fan, and a key groove is formed in the inner wall of the center hole.
As shown in fig. 3 to 5, the bottom plate 2 is a base of the present invention, and the bottom plate 2 is a circular metal plate. A pair of supports 3 which are arranged in the front and back are arranged above the bottom plate, the supports are metal pieces with a structure like a Chinese character 'ji', folding edges are further arranged at two ends of each support, and the whole support can be obtained in a bending mode. The hems at the two ends of the support are fixedly connected with the bottom plate through the fixing bolts 21, and then the support is fixedly connected with the bottom plate. A pair of left and right supporting plates 4 are arranged between each bracket and the bottom plate, the supporting plates are rectangular metal plates, and the lower surfaces of the supporting plates are fixed with the upper surface of the bottom plate in a contact manner. Two pairs of supporting plates are arranged in front and back, and the two supporting plates arranged in pairs are arranged left and right. The rear end surface of the front side supporting plate is flush with the rear end surface of the front side support, and the front end surface of the rear side supporting plate is flush with the front end surface of the rear side support. The top of the bracket is fixed with a nut 5, the nut is provided with a clamping bolt 51, and when the cooling fan clamping bracket is used, the bottom of the clamping bolt is in contact with the cooling fan to be pressed tightly, so that the cooling fan is clamped and fixed. A clamping cavity for clamping the cooling fan is formed between the bracket and the bottom plate.
When the device is used, the device is arranged on a chuck of an slotting machine, a bottom plate is arranged in the chuck, the bottom plate is clamped through the chuck and aligned, and the whole device is positioned in a horizontal plane; the cooling fan is then inserted from the front side or the rear side of the invention, so that the cooling fan is placed on the support plate, so that the center hole of the cooling fan is arranged concentrically with the chuck center (centering of the cooling fan), i.e. the cooling fan is aligned. Then, the clamping bolt is rotated to enable the bottom of the clamping bolt to be in contact with and pressed tightly against the cooling fan, and therefore clamping and fixing of the cooling fan are achieved. Then, the cooling fan may be subjected to key groove processing.
As shown in fig. 8, in order to facilitate centering of the cooling fan, a centering mechanism is provided on the base plate, and the centering mechanism includes a pair of mounting rods 71 fixed on the base plate, an air cylinder 7 fixed on the mounting rods, and a centering block 6 fixed on a piston rod of the air cylinder, the centering block is of a tapered structure, an upper portion of the centering block is conical, and a lower portion of the centering block is cylindrical. A round hole is formed in the center of the bottom plate, and the centering block can penetrate through the round hole and then extend into a space between the bottom plate and the support under the action of the cylinder. After the cooling fan is placed between the support and the bottom plate, the cooling fan and the bottom plate are not concentric to each other by manual placement, as shown in fig. 9, in the moving process of the centering block, after the upper portion of the centering block is in contact with the inner wall of the central hole or the upper portion of the centering block extends into the central hole, the cooling fan gradually moves concentrically with the bottom plate. After the central hole is in annular contact with the conical outer wall on the upper part of the centering block, the cooling fan is concentric with the bottom plate, the piston rod of the air cylinder slowly retracts at the moment, and after the cooling fan is in contact with the supporting plate, the cooling fan can be clamped and fixed through the clamping bolt. The cylinder is a telescopic unit for driving the centering block to move along the axis of the bottom plate.
As shown in fig. 10, the telescopic unit may also be a scissor lift mechanism in order to reduce the overall length of the centering mechanism. The telescopic unit comprises a pair of telescopic gears 82 and a scissor type lifting mechanism arranged between the telescopic gears and the centering block, the scissor type lifting mechanism comprises a plurality of groups of swing rods 8 which are hinged, and two adjacent groups of swing rods are also hinged. A supporting rod 61 is rotatably arranged on the hinged shaft of the uppermost group of swing rods, and the upper part of the supporting rod is fixedly connected with the bottom of the centering block. In the lowest group of swing rods, the first swing rod is hinged with the edge of the first telescopic gear, and the second swing rod is hinged with the edge of the second telescopic gear. The two telescopic gears are externally meshed, and the rotation directions of the two telescopic gears are opposite. When the telescopic gear rotates, the scissor type lifting mechanism can be driven to stretch, and then the centering block is far away from or close to the cooling fan. As shown in fig. 11, a slide bar 81 is provided at the end of the uppermost set of swing bars, and a guide slot 62 slidably connected to the slide bar is provided on the centering block, and the slide bar is disposed in the guide slot. A groove 63 is also arranged on the centering block at the rear side of the guide groove, and the upper ends of the uppermost group of swing rods are arranged in the groove. When the two swing rods at the top rotate relatively, the slide rod slides in the guide groove. As shown in fig. 13, at this time, the centering block moves from bottom to top along the vertical line until the conical outer wall of the upper portion of the centering block contacts the central hole, so as to realize centering of the cooling fan. The bottom plate is provided with a gear mounting plate, the telescopic gears are rotatably mounted on the gear mounting plate, and the gear mounting plate is provided with a motor for driving one of the telescopic gears to rotate.
After the cooling fan is centered, the clamping bolt is used for clamping and fixing the cooling fan. In order to facilitate the operation of the clamping bolts, as shown in fig. 14 and 15, a driving mechanism is provided on the bracket, and the driving mechanism drives the two clamping bolts to synchronously operate so as to shorten the operation time. The driving mechanism comprises a mounting plate 93 arranged between the two supports, a driving bolt 92 in threaded connection with the mounting plate, a first gear 9 fixed on the driving bolt, and a second gear 91 fixed on the clamping bolt, wherein the models of the two second gears are completely the same, the first gear is arranged between the two second gears, and the first gear is meshed with the second gears. During operation, the rotation of the first gear and the movement along the self axial direction can be driven through the rotation driving bolt, so that the rotation of the second gear is driven, the rotation of the clamping bolt and the movement along the self axis are driven, and after the clamping bolt moves downwards and is in contact with the cooling fan, the clamping of the cooling fan can be fixed.
When the cooling fan is fixed, the stress point is the blade disc part of the cooling fan, and the blade disc is of a solid structure and has higher strength, so that the problem that the fan is frequently damaged in the traditional fixing mode is solved, and the rejection rate of products is effectively reduced; when the tool is used, the tool only needs to be aligned once without repeated alignment, and is fixed through the bolt, so that the working strength of installation and disassembly of workers is reduced while the proper clamping force is ensured, the production efficiency can be improved by more than one time, and the tool is more suitable for mass production of small parts; when the tool is fixed, the contact surface of the cooling fan and the tool is a processing plane, and the processing precision of the cooling fan key groove can be guaranteed as long as the alignment precision of the tool is guaranteed. Under the premise of solving the problems, the tool is simple in structure, low in manufacturing cost and convenient to maintain, all easily damaged parts can be replaced independently, the replacement cost is reduced, and the replacement efficiency is improved.
Claims (9)
1. The utility model provides a small-size cooling fan slotting machine frock, characterized by, it includes:
the bottom plate is circular and is arranged on the inner side of the slotting machine chuck;
the cooling fan comprises a support, a cooling fan and a cooling fan, wherein the support is two, which are arranged in pairs and are fixedly connected with a bottom plate, a clamping cavity for clamping the cooling fan is arranged between the middle part of the support and the bottom plate, two pairs of supporting plates which are arranged in front and back are arranged in the clamping cavity, and the two supporting plates which are arranged in pairs are arranged on the left and right and are fixed with the bottom plate;
the nut is fixed at the top of the bracket, a clamping bolt is arranged on the nut in a matching way, and a screw rod of the clamping bolt is used for contacting with a blade disc of the cooling fan and clamping the cooling fan in a matching way with the supporting plate;
a centering mechanism for driving the base plate to be concentrically disposed with the cooling fan.
2. The small-size cooling fan slotting machine tool according to claim 1, wherein the support is a metal piece with a "]" -shaped structure, folded edges are arranged at two ends of the support, and fixing bolts are arranged between the folded edges and the bottom plate.
3. The small-size cooling fan slotting machine tool according to claim 1, wherein the centering mechanism comprises a telescopic unit fixedly connected with the bottom plate relatively, and a centering block arranged at the tail end of the telescopic unit, the upper end of the centering block is of a conical structure, and the conical outer wall at the upper end of the centering block is completely contacted with the central hole of the cooling fan to realize centering of the cooling fan.
4. The small-size cooling fan slotting machine tool according to claim 3, wherein the telescopic unit is a cylinder, a mounting rod is fixed on the outer wall of the cylinder, the mounting rod is fixedly connected with the bottom plate, and the axis of the cylinder is collinear with the axis of the bottom plate.
5. The small-size cooling fan slotting machine tool according to claim 3, wherein the telescopic unit comprises a gear mounting plate fixed relative to the bottom plate, a pair of externally meshed telescopic gears rotatably mounted on the gear mounting plate, and a scissor type lifting mechanism arranged between the telescopic gears and the centering block; the first end of the scissor type lifting mechanism is hinged with the edge of the telescopic gear, the second end of the scissor type lifting mechanism is connected with the centering block in a sliding mode, a supporting rod is fixed on the centering block, and the supporting rod is hinged with the second end of the scissor type lifting mechanism.
6. The small-size cooling fan slotting machine tool according to claim 5, wherein the scissor type lifting mechanism comprises a plurality of groups of swing rods which are sequentially arranged, the two swing rods which are arranged in the group are hinged to each other, the swing rod at the first end of the scissor type lifting mechanism is hinged to the edge of the telescopic gear, the swing rod at the second end of the scissor type lifting mechanism is connected with the centering block in a sliding mode, and a hinged shaft between the two swing rods at the second end of the scissor type lifting mechanism is hinged to the supporting rod.
7. The small-size cooling fan slotting machine tool according to claim 6, wherein a slide rod is arranged at the tail end of the swing rod at the second end of the scissor type lifting mechanism, and a guide groove in sliding connection with the slide rod is arranged on the centering block.
8. The small-sized cooling fan slotting machine tool according to claim 1, further comprising a driving mechanism arranged on the support and used for driving the two clamping bolts to synchronously act.
9. The small-sized cooling fan slotting machine tool according to claim 8, wherein the driving mechanism comprises a mounting plate arranged between the two brackets, a driving bolt in threaded connection with the mounting plate, a first gear fixed on the driving bolt, and a second gear fixedly connected with the clamping bolt and meshed with the first gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110006656.4A CN112846341B (en) | 2021-01-05 | 2021-01-05 | Small-size cooling fan slotting machine frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110006656.4A CN112846341B (en) | 2021-01-05 | 2021-01-05 | Small-size cooling fan slotting machine frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112846341A CN112846341A (en) | 2021-05-28 |
| CN112846341B true CN112846341B (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110006656.4A Active CN112846341B (en) | 2021-01-05 | 2021-01-05 | Small-size cooling fan slotting machine frock |
Country Status (1)
| Country | Link |
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| CN (1) | CN112846341B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2736092B1 (en) * | 1995-06-28 | 1997-08-01 | Snecma | MANUAL RELEASE CONTROL FOR THE ROTOR DRIVE OF A TURBOMACHINE |
| FR2902360B1 (en) * | 2006-06-19 | 2008-08-29 | Snecma Sa | DEVICE FOR MAINTAINING PARTS IN A METHOD FOR REPAIRING A BLADE OF A MONOBLOC AUBING DISC OF A TURBOMACHINE |
| JP2013036369A (en) * | 2011-08-05 | 2013-02-21 | Mitsubishi Heavy Ind Ltd | Jig attachment device, and impeller nut fastening and loosening device with the same |
| CN103084648A (en) * | 2013-01-28 | 2013-05-08 | 赵显华 | Ultrasonic metal surface machining process for planer |
| EP3042737A1 (en) * | 2015-01-12 | 2016-07-13 | Siemens Aktiengesellschaft | Method for the assembly of rotor blades on a rotor disc and tensioning device for carrying out such a method |
| CN106624907B (en) * | 2017-03-17 | 2018-11-30 | 山东大学 | A kind of flexible fixture and method for large complicated carved class blade milling |
| CN207681987U (en) * | 2018-01-03 | 2018-08-03 | 成都航空职业技术学院 | A kind of five axis Impeller Machining fixtures |
| CN110052866A (en) * | 2019-04-01 | 2019-07-26 | 杭州泽正机械有限公司 | A kind of Impeller Machining special fixture |
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2021
- 2021-01-05 CN CN202110006656.4A patent/CN112846341B/en active Active
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