CN213003799U - Tool for machining nozzle pressed compact - Google Patents

Tool for machining nozzle pressed compact Download PDF

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Publication number
CN213003799U
CN213003799U CN202021567244.5U CN202021567244U CN213003799U CN 213003799 U CN213003799 U CN 213003799U CN 202021567244 U CN202021567244 U CN 202021567244U CN 213003799 U CN213003799 U CN 213003799U
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CN
China
Prior art keywords
transverse plate
nozzle
pressing plate
equal
clamp body
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Active
Application number
CN202021567244.5U
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Chinese (zh)
Inventor
李强
杨林
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Zigong Cemented Carbide Co Ltd
Original Assignee
Zigong Cemented Carbide Co Ltd
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Priority to CN202021567244.5U priority Critical patent/CN213003799U/en
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Abstract

The utility model provides a tool for processing a nozzle pressed compact, which comprises a clamp body and a positioning device connected with the clamp body; the positioning device comprises a transverse plate, a pressing plate, a fixing device and equal-height blocks, wherein one end of the transverse plate is connected with the clamp body, the pressing plate is arranged in parallel with the transverse plate, the fixing device is used for fixing the transverse plate and the pressing plate, and the equal-height blocks are arranged on the transverse plate and used for supporting the pressing plate. The tool formed by the clamp body and the positioning device is reasonable and accurate in adjustment of the space position of the pressed compact, the problem that inclined holes of the pressed compact and the flat machining of a U-shaped profile are difficult is solved flexibly and conveniently, errors caused by secondary clamping are reduced, machining precision is improved, the structure is convenient to install, manual alignment is avoided, machining efficiency is improved, human resources are saved, and machining cost is reduced.

Description

Tool for machining nozzle pressed compact
Technical Field
The utility model relates to a frock of nozzle pressed compact processing.
Background
With the development in the higher direction, in order to adapt to the change of the market, the market of the precision parts also needs to be continuously developed, and the development is advanced towards high precision and complication. The special-shaped nozzle (the structure is shown in figure 1) is used as an important part on a heavy oil separation centrifuge, the main performance is high pressure resistance, abrasion resistance and work in a severe environment, the performance of the special-shaped nozzle can be improved to a certain extent by adopting alloy production, and the special-shaped nozzle has a better prospect in the market. The analysis product, it is peculiar in interior die cavity, and every location clamping error is great, and the appearance profile has the position requirement with interior die cavity, and the inclined hole falls in interior die cavity top, and each size precision requires within 0.1mm, and this guarantee of precision is more difficult.
Reviewing the processing of the previous pressed compact, firstly adopting a special-shaped core rod clamp to process an inclined hole on a vertical drilling machine, and then replacing a split clamp tool clamp product to process a U-shaped profile. And (3) penetrating a pressed compact inclined hole by using a round rod, adjusting an opening clamp to enable the round rod to contact the lower surface of a measuring tape with limited theoretical height, leveling the round rod, determining a processing position, rotating a milling cutter, and rotating a hand-operated dividing head to process a U-shaped profile. In the whole processing process, the manual work is relied on, the clamping is carried out for a plurality of times, the error superposition is large, the product precision is not high, the quality is unstable, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a frock of nozzle pressed compact processing is proposed, this frock only need a clamping, has solved the problem of the flat processing difficulty of pressed compact inclined hole and outline U type.
The utility model provides a solution that technical problem adopted is:
a tool for processing a nozzle pressed compact comprises a clamp body for clamping the nozzle pressed compact and a positioning device connected with the clamp body; the positioning device comprises a transverse plate, a pressing plate, a fixing device and equal-height blocks, wherein one end of the transverse plate is connected with the clamp body, the pressing plate is arranged in parallel with the transverse plate, the fixing device is used for fixing the transverse plate and the pressing plate, and the equal-height blocks are arranged on the transverse plate and used for supporting the pressing plate.
When the clamp is used, the clamp body is arranged on a chuck of a machining center, a plane in the Y-axis direction is aligned by utilizing the rotation function of the chuck, and preferably, the axial direction of an inclined hole of a nozzle pressed compact is taken as the Y-axis direction; then sleeving the nozzle pressed compact on the top end of the fixture body; the equal-height blocks and the pressing plate are adjusted, so that the equal-height blocks can effectively support the pressing plate, one end of the pressing plate is placed on the upper surface of the nozzle pressed compact, the pressing plate is respectively abutted to the equal-height blocks and the nozzle pressed compact through the fixing device, and the nozzle pressed compact cannot fall off from the clamp body.
During machining, firstly rotating the workbench to an inclined hole angle around an X axis, drilling an inclined hole, then rotating the workbench horizontally, milling a U-shaped profile, loosening a screw rod, moving a pressing plate away, and finishing machining;
further, the clamp body comprises a supporting portion connected with the transverse plate and a clamping portion which is coaxially connected with the supporting portion and used for installing the nozzle green compact.
Furthermore, in order to effectively avoid the nozzle pressed compact from rotating and moving along the Z axis, the clamping part comprises a circular table with a large end connected with the supporting part and a cylinder arranged at a small end of the circular table.
Furthermore, in order to enable the device to be more convenient to store, the fixing device comprises a screw rod arranged on the transverse plate and a nut B matched with the screw rod; the screw rod penetrates through the pressing plate to be connected with the nut B.
Furthermore, the central axis of the equal-height block, the central axis of the screw and the central axis of the fixture body are on the same straight line.
Furthermore, in order to enable the stress of the pressure plate to be more uniform, the screw rod is positioned between the clamp body and the equal-height block.
Further, processing the periphery of the outer contour surface of the blank pressed by the nozzle by 360 degrees; the number of the positioning devices is two.
Compared with the prior art, the beneficial effects of the utility model are that: the tool formed by the clamp body and the positioning device is reasonable and accurate in adjustment of the space position of the pressed compact, the problem that inclined holes of the pressed compact and the flat machining of a U-shaped profile are difficult is solved flexibly and conveniently, errors caused by secondary clamping are reduced, machining precision is improved, the structure is convenient to install, manual alignment is avoided, machining efficiency is improved, human resources are saved, and machining cost is reduced.
Drawings
Fig. 1 is a schematic sectional structure diagram of a nozzle compact of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is a top view of the present invention;
wherein, 1, a clamp body; 2. pressing the blank by a nozzle; 3. a screw; 4. pressing a plate; 5. a, a nut; 6. a transverse plate; 7. equal-height blocks; 8. and B, nuts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
1-3, a tool for processing a nozzle pressed compact 2 comprises a clamp body 1 for clamping the nozzle pressed compact 2 and a positioning device connected with the clamp body 1; the positioning device comprises a transverse plate 5, a pressing plate 4, a screw rod 3 and an equal-height block 7, wherein one end of the transverse plate 5 is connected with the clamp body 1, the pressing plate 4 is arranged in parallel with the transverse plate 5, the screw rod 3 is vertically arranged on the transverse plate 5 and penetrates through the pressing plate 4, and the equal-height block 7 is arranged on the transverse plate 5 and is used for supporting the pressing plate 4.
In order to effectively avoid the nozzle pressed compact 2 from rotating and moving along the Z axis, the clamping part comprises a circular truncated cone with a large end connected with the supporting part and a cylinder arranged at the small end of the circular truncated cone.
The fixing device is mainly used for fixing the pressing plate 4 and the transverse plate 5 after the two ends of the pressing plate 4 are respectively installed on the equal-height blocks 7 and the upper surface of the nozzle green compact 2 when the equal-height blocks 7 are adjusted to the condition that the size of the top of each equal-height block 7, which is far away from the transverse plate 6, is equal to the size of the top of each nozzle green compact 2, which is far away from the transverse plate 6, so that the nozzle green compact 2 is fixed.
The fixing device can be an external structure, when the equal-height block 7 is adjusted to the condition that the size of the top of the equal-height block is equal to the size of the top of the equal-height block, which is away from the transverse plate 6, of the upper surface of the nozzle pressed compact 2, the transverse plate 6 and the pressing plate 4 are clamped at the side away from each other, and therefore the fixing of the equal-height block and the pressing plate is achieved.
Preferably, the fixing device comprises a screw rod 3 arranged on the transverse plate 6 and a B nut 8 matched with the screw rod 3; the screw rod 3 penetrates through the pressing plate 4 and is connected with a B nut 8.
The position of the pressing plate 4 relative to the transverse plate 5 is adjusted through the matching of the threads, and the pressing plate 4 is fixed through the B nut 8 after the position is adjusted in place, so that the pressing plate is not changed in the using process.
When the tool is used, the fixture body 1 is arranged on a chuck of a machining center, a plane in the Y-axis direction is aligned by utilizing the rotation function of the chuck, and preferably, the axial direction of an inclined hole of the nozzle pressed blank 2 is taken as the Y-axis direction;
then sleeving the nozzle pressed compact 2 outside a clamping part formed by the circular truncated cone and the cylinder, wherein the clamping part is in clearance fit with an inner cavity of the nozzle pressed compact 2;
preferably, the central axis of the circular truncated cone, the central axis of the cylinder and the central axis of the support part are on the same straight line.
In some embodiments, the support portion is cylindrical.
The equal-height blocks 7 and the pressing plate 4 are adjusted, so that the equal-height blocks 7 can effectively support the pressing plate 4, one end of the pressing plate 4 is placed on the upper surface of the nozzle pressed blank 2, the pressing plate 4 is respectively abutted against the equal-height blocks 7 and the nozzle pressed blank 2 through the screw 3, and the nozzle pressed blank 2 cannot fall off from the clamp body 1.
During machining, firstly rotating the workbench to an inclined hole angle around an X axis, drilling an inclined hole, then rotating the workbench horizontally, milling a U-shaped profile, loosening the screw rod 3, and moving the pressing plate 4 away to finish machining;
the fixture body 1 comprises a supporting part connected with the transverse plate 5 and a clamping part which is coaxially connected with the supporting part and is used for installing the nozzle green compact 2.
The central axis of the equal-height block 7, the central axis of the screw rod 3 and the central axis of the clamp body 1 are on the same straight line.
In order to make the stress of the pressure plate 4 more uniform, the screw 3 is positioned between the clamp body 1 and the equal-height block 7.
Preferably, one end of the equal-height block 7 close to the transverse plate 5 is provided with a threaded column, and the transverse plate 5 is provided with a threaded hole A matched with the threaded column; when the device is used, the position of the top end of the equal-height block 7 relative to the pressing plate 4 can be adjusted through the threaded column, and when the top end of the equal-height block 7 is in contact with the bottom of the pressing plate 4, the threaded column is fixed with the transverse plate 5 through the A nut 5.
In order to realize the purpose, the outer contour surface of the nozzle compact 2 is machined by 360 degrees, and one fixture body 1 can be used together with two positioning devices. During machining, firstly, a half excircle profile surface of the nozzle compact 2 is machined; and after the machining is finished, the first positioning device is taken down, and the second positioning device is installed in the direction of the machined excircle profile surface according to the method to finish the residual machined surface.
The above embodiments of the present invention are merely examples for illustrating the present invention and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.

Claims (7)

1. The tool for processing the nozzle pressed compact is characterized by comprising a clamp body and a positioning device connected with the clamp body; the positioning device comprises a transverse plate, a pressing plate, a fixing device and equal-height blocks, wherein one end of the transverse plate is connected with the clamp body, the pressing plate is arranged in parallel with the transverse plate, the fixing device is used for fixing the transverse plate and the pressing plate, and the equal-height blocks are arranged on the transverse plate and used for supporting the pressing plate.
2. The tooling for processing the nozzle pressed compact according to claim 1, wherein the fixture body comprises a supporting part connected with the transverse plate and a clamping part coaxially connected with the supporting part and used for installing the nozzle pressed compact.
3. The tooling for pressing and processing a nozzle blank according to claim 2, wherein the clamping part comprises a circular truncated cone with a large end connected with the supporting part and a cylinder arranged at a small end of the circular truncated cone.
4. A tool for nozzle compact machining according to any one of claims 1 to 3, wherein central axes of the equal-height blocks and central axes of the fixture bodies are on the same straight line.
5. A tool for processing a nozzle compact according to any one of claims 1 to 3, wherein the fixing device comprises a screw rod arranged on the transverse plate and a B nut matched with the screw rod; the screw rod penetrates through the pressing plate to be connected with the nut B.
6. A tooling for nozzle compact machining according to claim 5, wherein the screw is located between the clamp body and the equal-height block.
7. The tooling for processing a nozzle compact according to claim 1, wherein the number of the positioning devices is two.
CN202021567244.5U 2020-07-31 2020-07-31 Tool for machining nozzle pressed compact Active CN213003799U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021567244.5U CN213003799U (en) 2020-07-31 2020-07-31 Tool for machining nozzle pressed compact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021567244.5U CN213003799U (en) 2020-07-31 2020-07-31 Tool for machining nozzle pressed compact

Publications (1)

Publication Number Publication Date
CN213003799U true CN213003799U (en) 2021-04-20

Family

ID=75461065

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021567244.5U Active CN213003799U (en) 2020-07-31 2020-07-31 Tool for machining nozzle pressed compact

Country Status (1)

Country Link
CN (1) CN213003799U (en)

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