CN216264682U - Positioning tool for CNC (computer numerical control) machined precision part - Google Patents
Positioning tool for CNC (computer numerical control) machined precision part Download PDFInfo
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- CN216264682U CN216264682U CN202122605768.XU CN202122605768U CN216264682U CN 216264682 U CN216264682 U CN 216264682U CN 202122605768 U CN202122605768 U CN 202122605768U CN 216264682 U CN216264682 U CN 216264682U
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Abstract
The utility model relates to the technical field of positioning tools, in particular to a positioning tool for a precise part processed by CNC (computer numerical control), which comprises a workbench, wherein the top of the workbench is fixedly connected with a cylinder, the inner wall of the cylinder is uniformly provided with six mounting holes, a fixed block is fixedly connected in each mounting hole, one end of each fixed block is provided with a sliding hole, a sliding rod is connected in each sliding hole in a sliding manner, and one end of each sliding rod is fixedly connected with an arc-shaped plate; the driving shaft and the driving gear can be driven to rotate by the servo motor, the driving gear drives the driven gear and one of the rotating rods to rotate, under the action of the driving wheel and the driving belt, the six rotating rods synchronously rotate, the six sliding rods are driven to move outwards by the rotating gears, the six sliding rods drive the arc-shaped plates to abut against the inner walls of the annular thin-wall parts, the annular thin-wall parts are positioned, and the annular thin-wall parts are more stable in the processing process by matching with the arc-shaped plates made of rubber materials.
Description
Technical Field
The utility model relates to the technical field of positioning tools, in particular to a positioning tool for a precision part machined by CNC.
Background
Thin-wall parts are increasingly widely used in various industrial departments because of their characteristics of light weight, material saving, compact structure, etc., but the processing of thin-wall parts is a relatively difficult problem in turning because of poor rigidity and weak strength of thin-wall parts, which are very easy to deform in processing, so that the form and position errors of the parts are increased, and the processing quality of the parts is not easy to guarantee.
In the prior art, the following problems exist:
(1) in the existing process of processing the annular thin-wall part, most of positioning tools are not stable enough for positioning the annular thin-wall part, so that the deviation is easy to occur, and the product quality is reduced;
(2) most annular thin wall parts are processed, can not carry out lift adjustment to the product, need process to the different positions of product, and the operation degree of difficulty is big.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a positioning tool for a CNC (computer numerical control) machined precision part, which aims to solve the problems in the background technology.
The technical scheme of the utility model is as follows: the utility model provides a precision parts of CNC processing is with location frock, comprises a workbench, six mounting holes have evenly been seted up to the top fixedly connected with drum of workstation, the inner wall of drum, and fixedly connected with fixed block in the mounting hole, the sliding hole has been seted up to the one end of fixed block, and sliding connection has the slide bar in the sliding hole, and the one end fixedly connected with arc of slide bar, the cylinder lateral wall of drum slide and have cup jointed movable annular dish, installs link gear on the slide bar, installs elevating system on the movable annular dish.
Preferably, the linkage mechanism comprises six linear racks fixedly connected to one sides of the six sliding rods respectively, six rotating rods fixedly connected to the inner wall of the bottom of the cylinder, rotating gears connected to the rotating rods in a keyed manner and meshed with the six linear racks respectively, and a transmission unit and a driving unit are mounted on the rotating rods.
Preferably, drive unit is including seting up in the rotation hole of workstation and drum bottom inner wall, the bottom fixedly connected with L shape fixed plate of workstation, the top fixedly connected with servo motor of L shape fixed plate, servo motor's output has the drive shaft through the coupling joint, the top of drive shaft runs through rotation hole and fixedly connected with drive gear, the meshing has driven gear on the drive gear, the driven gear key-type is connected in on one of them dwang.
Preferably, the transmission unit comprises six transmission wheels which are respectively and fixedly connected to the top ends of the six rotating rods, and the six transmission wheels are in tensioning sleeve connection with a transmission belt.
Preferably, elevating system sets up two movable holes at the workstation top, and the movable hole internal rotation is connected with the threaded rod, and the spiro union has the screw thread piece on the threaded rod, and the one end fixed connection of screw thread piece has reciprocating gear in the cylinder lateral wall of movable annular dish, the bottom key-type connection of threaded rod.
Preferably, the bottom of workstation fixedly connected with two installation pieces, the rotatory hole has been seted up to one side of installation piece, and the rotation in the rotatory hole is connected with the axis of rotation, and the fixed cover in the axis of rotation has two helical gears, and two helical gears mesh with two reciprocating gear respectively mutually.
Preferably, three sliding grooves are formed in the outer side of the cylinder, three positioning blocks are fixedly connected to the inner wall of the movable annular disc, and the three positioning blocks are respectively located in the three sliding grooves.
The utility model provides a positioning tool for a CNC-machined precision part through improvement, and compared with the prior art, the positioning tool has the following improvements and advantages:
one is as follows: according to the utility model, the servo motor drives the driving shaft and the driving gear to rotate, the driving gear drives the driven gear and one of the rotating rods to rotate, under the action of the driving wheel and the driving belt, the six rotating rods synchronously rotate, the six sliding rods are driven by the rotating gear to move outwards, the six sliding rods drive the arc-shaped plate to abut against the inner wall of the annular thin-wall part, the annular thin-wall part is positioned, and the annular thin-wall part is more stable in the processing process by matching with the arc-shaped plate made of rubber;
the second step is as follows: according to the utility model, the rotation crank is rotated to drive the rotation shaft to rotate, the rotation shaft drives the spiral gear to rotate, the spiral gear drives the reciprocating gear to rotate, the reciprocating gear drives the threaded rod to rotate, the threaded rod rotates to drive the threaded block to rotate, and the threaded block rotates to drive the movable annular disc to move up and down, so that the annular thin-wall part is adjusted up and down, the processing of different positions of the annular thin-wall part is facilitated, and the operation is simple.
Drawings
The utility model is further explained below with reference to the figures and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional perspective view of the present invention;
FIG. 3 is a schematic perspective view of a drive unit of the present invention;
FIG. 4 is a schematic perspective view of the present invention at A of FIG. 2;
fig. 5 is a schematic perspective view of the elevating mechanism of the present invention.
Description of reference numerals:
1. a work table; 101. a cylinder; 102. a fixed block; 103. a slide bar; 104. an arc-shaped plate; 105. a movable annular disc; 106. positioning blocks; 2. an L-shaped fixing plate; 201. a servo motor; 202. a drive shaft; 203. a drive gear; 204. a driven gear; 205. rotating the rod; 206. a rotating gear; 207. a linear rack; 208. a driving wheel; 209. a transmission belt; 3. mounting blocks; 301. a rotating shaft; 302. a helical gear; 303. a reciprocating gear; 304. a threaded rod; 305. a thread block.
Detailed Description
The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a positioning tool for a CNC (computer numerical control) machined precision part through improvement, and the technical scheme of the positioning tool is as follows:
as shown in fig. 1 to 5, a positioning tool for a CNC-machined precision part comprises a workbench 1, wherein a cylinder 101 is fixedly connected to the top of the workbench 1, six mounting holes are uniformly formed in the inner wall of the cylinder 101, a fixed block 102 is fixedly connected in each mounting hole, a slide hole is formed in one end of each fixed block 102, a slide rod 103 is slidably connected in each slide hole, an arc-shaped plate 104 is fixedly connected to one end of each slide rod 103, a movable annular disc 105 is slidably sleeved on the outer cylindrical wall of the cylinder 101, a linkage mechanism is installed on each slide rod 103, and a lifting mechanism is installed on each movable annular disc 105; by means of the structure, the arc-shaped plate 104 is made of rubber materials through the arrangement of the arc-shaped plate 104, and the effect of increasing friction force is achieved.
Further, the linkage mechanism comprises six linear racks 207 fixedly connected to one sides of the six sliding rods 103 respectively, six rotating rods 205 are fixedly connected to the inner wall of the bottom of the cylinder 101, rotating gears 206 are connected to the rotating rods 205 in a keyed mode, the six rotating gears 206 are meshed with the six linear racks 207 respectively, and a transmission unit and a driving unit are mounted on the rotating rods 205; with the above structure, the process of power transmission is more stable by the arrangement of the rotating gear 206.
Further, the driving unit comprises rotating holes formed in the inner walls of the bottom of the workbench 1 and the bottom of the cylinder 101, the bottom of the workbench 1 is fixedly connected with an L-shaped fixing plate 2, the top of the L-shaped fixing plate 2 is fixedly connected with a servo motor 201, the output end of the servo motor 201 is connected with a driving shaft 202 through a coupler, the top end of the driving shaft 202 penetrates through the rotating holes and is fixedly connected with a driving gear 203, a driven gear 204 is meshed with the driving gear 203, and the driven gear 204 is connected to one rotating rod 205 in a key mode; by means of the structure, power is provided through the arrangement of the driving unit.
Further, the transmission unit comprises six transmission wheels 208 respectively fixedly connected to the top ends of the six rotating rods 205, and transmission belts 209 are sleeved on the six transmission wheels 208 in a tensioning manner; with the above structure, the six rotating levers 205 can be rotated in synchronization by the arrangement of the transmission wheel 208 and the transmission belt 209.
Furthermore, the lifting mechanism is arranged in two movable holes at the top of the workbench 1, a threaded rod 304 is rotatably connected in the movable holes, a threaded block 305 is screwed on the threaded rod 304, one end of the threaded block 305 is fixedly connected to the cylindrical outer side wall of the movable annular disc 105, and the bottom key of the threaded rod 304 is connected with a reciprocating gear 303; by means of the structure, the movable annular disc 105 is driven to stably lift through the arrangement of the two threaded rods 304.
Further, the bottom of the workbench 1 is fixedly connected with two mounting blocks 3, one side of each mounting block 3 is provided with a rotating hole, the rotating hole is rotatably connected with a rotating shaft 301, the rotating shaft 301 is fixedly sleeved with two spiral gears 302, and the two spiral gears 302 are respectively meshed with two reciprocating gears 303; by means of the structure, the reciprocating gear 303 is better fixed through the arrangement of the spiral gear 302.
Further, three sliding grooves are formed in the outer side of the cylinder 101, three positioning blocks 106 are fixedly connected to the inner wall of the movable annular disc 105, and the three positioning blocks 106 are respectively located in the three sliding grooves; by means of the structure, the shaking of the movable annular disc 105 in the moving process is reduced through the arrangement of the positioning block 106.
The working principle is as follows: the annular thin-wall part to be processed is placed on the movable annular disc 105, the servo motor 201 drives the driving shaft 202 and the driving gear 203 to rotate, the driving gear 203 drives the driven gear 204 and one of the rotating rods 205 to rotate, one of the rotating rods 205 drives the other five rotating rods 205 to synchronously rotate through the driving wheel 208 and the driving belt 209, the six rotating rods 205 synchronously rotate and drive the six linear racks 207 and the six sliding rods 103 to synchronously move outwards through the rotating gears 206, so that the six sliding rods 103 drive the arc-shaped plates 104 to abut against the inner wall of the annular thin-wall part, the positioning of the annular thin-wall part is realized, and the matched arc-shaped plates 104 are made of rubber materials, so that the annular thin-wall part is more stable in the processing process.
The crank is rotated to drive the rotating shaft 301 to rotate, the rotating shaft 301 rotates to drive the spiral gear 302 to rotate, the spiral gear 302 rotates to drive the reciprocating gear 303 to rotate, the reciprocating gear 303 rotates to drive the threaded rod 304 to rotate, the threaded rod 304 rotates to drive the threaded block 305 to rotate, the threaded block 305 rotates to drive the movable annular disc 105 to move up and down, up and down adjustment of the annular thin-wall part is achieved, and then different positions of the annular thin-wall part can be conveniently processed, and the operation is simple.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a precision parts of CNC processing is with location frock, includes workstation (1), its characterized in that: top fixedly connected with drum (101) of workstation (1), six mounting holes have evenly been seted up to the inner wall of drum (101), fixedly connected with fixed block (102) in the mounting hole, the slide opening has been seted up to the one end of fixed block (102), sliding connection has slide bar (103) in the slide opening, the one end fixedly connected with arc (104) of slide bar (103), movable annular dish (105) has been cup jointed in the cylinder lateral wall slip of drum (101), install link gear on slide bar (103), install elevating system on movable annular dish (105).
2. The positioning tool for the CNC-machined precision part as claimed in claim 1, wherein: the linkage mechanism comprises six linear racks (207) fixedly connected to one sides of the six sliding rods (103), the inner wall of the bottom of the cylinder (101) is fixedly connected with six rotating rods (205), the rotating rods (205) are connected with rotating gears (206) in a key mode, the six rotating gears (206) are meshed with the six linear racks (207) respectively, and transmission units and driving units are installed on the rotating rods (205).
3. The positioning tool for the CNC-machined precision part as claimed in claim 2, wherein: drive unit is including offering in the rotation hole of workstation (1) and drum (101) bottom inner wall, the bottom fixedly connected with L shape fixed plate (2) of workstation (1), the top fixedly connected with servo motor (201) of L shape fixed plate (2), there is drive shaft (202) output of servo motor (201) through the coupling joint, the top of drive shaft (202) runs through rotation hole and fixedly connected with drive gear (203), the meshing has driven gear (204) on drive gear (203), driven gear (204) key-type is connected on one of them dwang (205).
4. The positioning tool for the CNC-machined precision part as claimed in claim 2, wherein: the transmission unit comprises six transmission wheels (208) which are respectively and fixedly connected to the top ends of the six rotating rods (205), and transmission belts (209) are sleeved on the six transmission wheels (208) in a tensioning mode.
5. The positioning tool for the CNC-machined precision part as claimed in claim 1, wherein: elevating system sets up two movable holes at workstation (1) top, and the movable hole internal rotation is connected with threaded rod (304), and threaded rod (304) are gone up the spiro union and are had screw thread piece (305), and the one end fixed connection of screw thread piece (305) has reciprocating gear (303) in the cylinder lateral wall of activity annular disc (105), the bottom key-type connection of threaded rod (304).
6. The positioning tool for the CNC-machined precision part as claimed in claim 5, wherein: the bottom fixedly connected with of workstation (1) two installation pieces (3), rotatory hole has been seted up to one side of installation piece (3), and rotatory downthehole internal rotation is connected with axis of rotation (301), and fixed cover has connect two helical gear (302) on axis of rotation (301), and two helical gear (302) mesh with two reciprocating gear (303) respectively mutually.
7. The positioning tool for the CNC-machined precision part as claimed in claim 1, wherein: three sliding grooves are formed in the outer side of the cylinder (101), three positioning blocks (106) are fixedly connected to the inner wall of the movable annular disc (105), and the three positioning blocks (106) are located in the three sliding grooves respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122605768.XU CN216264682U (en) | 2021-10-27 | 2021-10-27 | Positioning tool for CNC (computer numerical control) machined precision part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122605768.XU CN216264682U (en) | 2021-10-27 | 2021-10-27 | Positioning tool for CNC (computer numerical control) machined precision part |
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| Publication Number | Publication Date |
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| CN216264682U true CN216264682U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122605768.XU Active CN216264682U (en) | 2021-10-27 | 2021-10-27 | Positioning tool for CNC (computer numerical control) machined precision part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117863714A (en) * | 2024-03-11 | 2024-04-12 | 山东优图机械制造有限公司 | Screen printer |
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2021
- 2021-10-27 CN CN202122605768.XU patent/CN216264682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117863714A (en) * | 2024-03-11 | 2024-04-12 | 山东优图机械制造有限公司 | Screen printer |
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