CN210208808U - Three-screw asphalt pump rotor numerical control machining calibration device - Google Patents
Three-screw asphalt pump rotor numerical control machining calibration device Download PDFInfo
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- CN210208808U CN210208808U CN201921292212.6U CN201921292212U CN210208808U CN 210208808 U CN210208808 U CN 210208808U CN 201921292212 U CN201921292212 U CN 201921292212U CN 210208808 U CN210208808 U CN 210208808U
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- mandrel
- numerical control
- milling cutter
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Abstract
The utility model discloses a three screw rod pitch pump rotor numerical control processing calibrating device, including positioning seat (1), dabber (4) and shaping milling cutter (8), dabber (4) are connected through preceding top (2) and tailstock (3) respectively at the both ends of positioning seat (1), and it has locating pin (5) to sell jogged joint on dabber (4), and dabber (4) tip key-type connection has and presss from both sides cover (6), presss from both sides cover (6) upper end and connects preceding top (2) through locating piece (7), be equipped with on shaping milling cutter (8) with locating pin (5) complex cell body. The utility model has the characteristics of convenient calibration, calibration are efficient and the processing stability is good.
Description
Technical Field
The utility model relates to a screw pump rotor is with supplementary processingequipment, especially a three screw rod pitch pump rotor numerical control processing calibrating device.
Background
The conventional calibration method of the screw rotor before the forming milling processing is that two ends of a mandrel are jacked up by a thimble, the mandrel is subjected to micro-cutting by a forming milling cutter after being aligned by a dial indicator, and an operator judges whether the forming milling cutter and the mandrel are aligned according to cutting traces to align the position of the forming milling cutter; and the operator also needs to readjust the mandrel grooving position before each screw rotor is machined. The mode not only prolongs the processing time of the screw rotor and reduces the processing efficiency; and the manual calibration can cause deviation of processing effects among different rotors, and influences the stability and consistency of products. The above approach also has high requirements on the skill level of the operator, thereby reducing the versatility of the method and indirectly increasing the labor cost. Therefore, the existing calibration method for the screw rotor before milling has the problems of high calibration difficulty, low calibration efficiency and poor processing stability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a three screw rod pitch pump rotor numerical control processing calibrating device. The method has the characteristics of convenience in calibration, high calibration efficiency and good processing stability.
The technical scheme of the utility model: the utility model provides a three screw rod pitch pump rotor numerical control processing calibrating device, includes positioning seat, dabber and shaping milling cutter, its characterized in that: the two ends of the positioning seat are respectively connected with the mandrel through the front center and the tailstock, the mandrel is connected with the positioning pin through the pin hole, the end part of the mandrel is in key connection with the clamping sleeve, the upper end of the clamping sleeve is connected with the front center through the positioning block, and the forming milling cutter is provided with a groove body matched with the positioning pin.
According to the numerical control machining calibration device for the three-screw asphalt pump rotor, the middle part of the jacket is provided with the positioning hole connected with the mandrel, and the top of the jacket is provided with the positioning body; the positioning block is provided with a positioning groove, and the end part of the positioning body extends into the positioning groove.
According to the numerical control machining and calibrating device for the three-screw asphalt pump rotor, the clamping sleeve on one side of the positioning hole is provided with the opening, and the two sides of the opening are provided with the locking plates connected with the clamping sleeve.
Compared with the prior art, the utility model connects the clamp sleeve with the mandrel through the key, so that the clamp sleeve can limit the rotation angle of the mandrel; after the jacket is installed, the positioning block can be limited by matching the positioning body with the positioning groove, so that the mandrel or the rotor can be positioned at the same rotation angle after being installed by the jacket; through the matching of the pin hole and the positioning pin, the position of the formed milling cutter can be calibrated after the mandrel is installed, and the initial slotting position of the formed milling cutter is determined by matching with the jacket, so that the calibration of operators is facilitated, and the calibration efficiency is improved; after the position of the forming milling cutter is calibrated, the initial angles of different rotors which are the same as those of the core shaft can be kept after the rotors are installed through the matching of the jacket and the positioning block, so that the consistency of the rotors in processing is improved, the subsequent adjustment of the position of the forming milling cutter is reduced, and the processing efficiency of the rotors is further improved.
In addition, the utility model can facilitate the clamping of the rotor with the jacket by the operator through the matching of the positioning body and the positioning groove, thereby reducing the calibration difficulty; through opening and the locking plate on the clamp cover, the clamping difficulty of the clamp cover on the rotor can be reduced, the connection stability of the clamp cover and the rotor after installation is improved, the problem of vibration or axial movement during processing of the rotor is avoided, and the stability during numerical control processing is further improved. Therefore, the utility model has the characteristics of convenient calibration, calibration are efficient and the processing stability is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view showing the connection of the collet and the positioning block.
The labels in the figures are: 1-positioning seat, 2-front tip, 3-tailstock, 4-mandrel, 5-positioning pin, 6-jacket, 7-positioning block, 8-forming milling cutter, 601-positioning hole, 602-opening, 603-locking plate, 604-positioning body and 701-positioning groove.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. A numerical control machining calibration device for a three-screw asphalt pump rotor is shown in figure 1 and comprises a positioning seat 1, a mandrel 4 and a forming milling cutter 8, wherein the mandrel 4 is a machining blank of a screw rotor, a key groove is formed in the mandrel 4 in pretreatment, one mandrel 4 is simultaneously provided with the key groove and a pin hole, and the forming milling cutter 8 is a special forming milling cutter for the screw rotor commonly used in the market; the two ends of the positioning seat 1 are respectively connected with a mandrel 4 through a front center 2 and a tailstock 3, a positioning pin 5 is connected with the mandrel 4 through a pin hole, a pin hole is formed in the central axis of the mandrel 4, the end part of the mandrel 4 is connected with a clamping sleeve 6, the upper end of the clamping sleeve 6 is connected with the front center 2 through a positioning block 7, the positioning block 7 is connected onto the front center 2 through a bolt, a groove body matched with the positioning pin 5 is formed in the forming milling cutter 8, and the groove body is preset before the forming milling cutter is machined.
A positioning hole 601 connected with the mandrel 4 is formed in the middle of the jacket 6, a key slot matched with the mandrel 4 is formed in the positioning hole 601, and a positioning body 604 is arranged at the top of the jacket 6; the positioning block 7 is provided with a positioning groove 701, and the end of the positioning body 604 extends into the positioning groove 701.
An opening 602 is formed in the jacket 6 on one side of the positioning hole 601, locking plates 603 connected with the jacket 6 are arranged on two sides of the opening 602, and the mandrel 4 in the positioning hole 601 is locked by the locking plates 603 on the two sides through threaded connection.
The utility model discloses a theory of operation: this full type is novel establishes 4 one ends of dabber with the key with pressing from both sides cover 6 cover earlier, then with the threaded hole of bolt screw in locking plate 603, makes to press from both sides cover 6 and dabber 4 reciprocal anchorage. After the clamping sleeve 6 is installed, the two ends of the mandrel 4 are respectively clamped through the front tip 2 and the tailstock 3, the positioning body 604 at the top of the clamping sleeve 6 is buckled into the positioning groove 701 of the positioning block 7, and the rotation angle of the mandrel 4 is limited through the matching of the positioning groove 701 and the positioning body 604. After the mandrel 4 is installed, an operator uses a dial indicator to mark a meter to align the position of the mandrel 4; and then, the forming milling cutter 8 is adjusted according to the position of the positioning pin 5 after positioning, so that the forming milling cutter 8 is positioned at the initial slotting position after being buckled with the positioning pin 5, the calibration difficulty of the forming milling cutter 8 is reduced, and the calibration time of the forming milling cutter is shortened. And after the forming milling cutter 8 is grooved, the mandrel 4 is detached and replaced, and then the mandrel is reinstalled according to the steps. Because the position calibration of the forming milling cutter 8 is finished during the first slotting, the subsequent rotor core shaft 4 does not need to be provided with a pin hole and is positioned by the positioning pin 5; through pressing from both sides the cover 6 and then can inject the installation angle of dabber 4 with locating piece 7, make each dabber 4 keep the same initial position after the installation to make each rotor can have good uniformity after processing, improved the utility model discloses a processing stability.
Claims (3)
1. The utility model provides a three screw rod pitch pump rotor numerical control processing calibrating device, includes positioning seat (1), dabber (4) and shaping milling cutter (8), its characterized in that: the two ends of the positioning seat (1) are connected with the mandrel (4) through the front tip (2) and the tailstock (3) respectively, the mandrel (4) is connected with the positioning pin (5) through a pin hole, the end key of the mandrel (4) is connected with the clamping sleeve (6), the upper end of the clamping sleeve (6) is connected with the front tip (2) through the positioning block (7), and the forming milling cutter (8) is provided with a groove body matched with the positioning pin (5).
2. The numerical control machining calibration device for the three-screw asphalt pump rotor according to claim 1, is characterized in that: a positioning hole (601) connected with the mandrel (4) is formed in the middle of the jacket (6), and a positioning body (604) is arranged at the top of the jacket (6); the positioning block (7) is provided with a positioning groove (701), and the end part of the positioning body (604) extends into the positioning groove (701).
3. The numerical control machining calibration device for the three-screw asphalt pump rotor according to claim 2, is characterized in that: an opening (602) is formed in the jacket (6) on one side of the positioning hole (601), and locking plates (603) connected with the jacket (6) are arranged on two sides of the opening (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292212.6U CN210208808U (en) | 2019-08-09 | 2019-08-09 | Three-screw asphalt pump rotor numerical control machining calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292212.6U CN210208808U (en) | 2019-08-09 | 2019-08-09 | Three-screw asphalt pump rotor numerical control machining calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210208808U true CN210208808U (en) | 2020-03-31 |
Family
ID=69919597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921292212.6U Active CN210208808U (en) | 2019-08-09 | 2019-08-09 | Three-screw asphalt pump rotor numerical control machining calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210208808U (en) |
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2019
- 2019-08-09 CN CN201921292212.6U patent/CN210208808U/en active Active
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