CN218891181U - Mechanism for processing circular arc and spherical surface by common turning - Google Patents

Abstract

The utility model provides a mechanism for processing circular arcs and spherical surfaces by common turning, and belongs to the technical field of cutting processing. The common lathe solves the problems that the existing common lathe is generally not suitable for processing circular arcs, spherical surfaces and the like for workpieces due to the limitation of the structure of the common lathe. The utility model comprises a first bracket, a second bracket and a turning tool, wherein the turning tool is horizontally arranged on the first bracket, the first bracket and the second bracket can be connected in a rotating way, the turning tool comprises a body and a tip, the second bracket is fixedly connected with a tool rest of a common lathe, and the first bracket and the second bracket are detachably connected. The utility model can solve the problem that the common lathe can not turn the circular arc structure and the spherical structure on the cylindrical workpiece, and greatly facilitates the processing of the workpiece; the plurality of adjustment connection points are arranged, so that the selection can be performed according to practical application, and the method is simple and convenient.

Description

Mechanism for processing circular arc and spherical surface by common turning

Technical Field

The utility model belongs to the technical field of cutting processing, and relates to a mechanism for processing circular arcs and spherical surfaces by common turning.

Background

The common lathe is a horizontal lathe capable of carrying out various working procedures on various workpieces such as shafts, discs, rings and the like, is commonly used for processing inner and outer rotary surfaces, end surfaces and various inner and outer threads of the workpieces, and can also be used for drilling, reaming, tapping, knurling and the like by adopting corresponding cutters and accessories. The main components of the common lathe are as follows: the device comprises a main shaft box, a feed box, a slide carriage box, a tool rest, a tail frame, a smooth rod, a screw rod and a lathe bed. The main shaft box is used for driving the main shaft to drive the workpiece to rotate and then cut, and the tool rest is used for installing a turning tool.

The prior common lathe is generally not suitable for processing circular arcs and spherical surfaces on workpieces due to the limitation of the structure.

Disclosure of Invention

The utility model aims to solve the problems of the conventional common lathe and provides a mechanism for machining circular arcs and spherical surfaces by common turning.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a mechanism for processing circular arc and sphere of general car, it includes support one, support two and lathe tool, the lathe tool level sets up on support one, support one and support two can rotate to be connected, and the lathe tool includes body and point, support two and general car's knife rest fixed connection, support one and support two can dismantle the connection.

Preferably, the first bracket and the second bracket are both U-shaped, the size of the first bracket is smaller than that of the second bracket, and two parallel edges of the first bracket are correspondingly and rotatably connected with two parallel edges of the second bracket.

Preferably, the first bracket is provided with a plurality of adjusting connection points, and the first bracket can be connected with the second bracket by changing the adjusting connection points.

Therefore, the distance between the workpiece and the workpiece can be changed, namely, the spherical structure can be cut at the head of the workpiece, and the arc structure can be cut at the middle part of the workpiece. Is simple and convenient.

Preferably, a plurality of groups of connecting parts are arranged on two parallel edges of the first bracket, wherein the connecting parts are in one-to-one correspondence with the adjusting connecting points, each group of connecting parts comprises a first connecting part and a second connecting part which are respectively arranged on the two parallel edges of the first bracket, a first connecting hole is arranged at each connecting part, and the first connecting holes of the first connecting parts of the first bracket and the second connecting parts of the first bracket are coaxially arranged.

Preferably, the two parallel edges of the second bracket are respectively provided with a second connecting hole, and the second connecting holes are coaxially arranged.

Preferably, the first bracket and the second bracket are connected with each other through a group of connecting shafts, each group of connecting shafts comprises two connecting shafts, and at one adjusting connecting point position, each connecting shaft is used for connecting the corresponding group of connecting parts together through corresponding first connecting holes and second connecting holes.

Preferably, a fixing structure is arranged between the first bracket and each connecting shaft, and each connecting shaft and the second bracket can rotate relatively.

Preferably, the outer ends of the connecting shafts far away from the first bracket and the second bracket are provided with operation handle assemblies, each operation handle assembly comprises an operation handle and a handle connecting shell, the outer ends of the handle connecting shells and one of the connecting shafts are fixedly connected, and the operation handle is connected with the handle connecting shell.

The operating handle can facilitate an operator to easily rotate the first bracket, so that the precision of the arc or spherical structure of the workpiece is higher, and the labor is saved.

Preferably, a connecting rod is further arranged on the second bracket, and the connecting rod is fixedly connected with the second bracket through bolts.

Is connected with the knife rest through a connecting rod.

Preferably, the turning tool is detachably connected with the first bracket, and the turning tool is horizontally arranged on the side of the first bracket, which is perpendicular to the two parallel sides of the first bracket.

The body of the turning tool and the first bracket are fixed through bolts.

Preferably, the tip of the turning tool is in a four-sided cone shape.

Compared with the prior art, the utility model can solve the problem that the common lathe can not turn the circular arc structure and the spherical structure on the cylindrical workpiece, and greatly facilitates the processing of the workpiece; the plurality of adjustment connection points are arranged, so that the selection can be performed according to practical application, and the method is simple and convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the combined structure of the workpiece according to the present utility model

FIG. 3 is a front view of the structure of FIG. 2;

FIG. 4 isbase:Sub>A sectional view taken along the direction A-A in FIG. 3;

FIG. 5 is a schematic view of the present utility model with the operating handle and other structures removed;

FIG. 6 is a schematic view of a connecting shaft according to the present utility model;

fig. 7 is a schematic structural view of a first bracket of the present utility model.

In the figure, 1, a first bracket; 2. a second bracket; 3. adjusting the connection point position; 4. a first connecting part; 5. a second connecting part; 6. a first connection hole; 7. turning tools; 8. a second connection hole; 9. a connecting shaft; 10. a limit groove; 11. an operation handle; 12. the handle is connected with the shell; 13. a workpiece; 14. and (5) connecting a rod.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, the mechanism for processing circular arcs and spherical surfaces by common turning provided by the utility model comprises a U-shaped support 1 and a U-shaped support 2, wherein the size of the support 1 is smaller than that of the support 2.

As shown in fig. 2, the first bracket 1 has a plurality of adjustment connection points 3, and preferably, three adjustment connection points 3 are provided in this embodiment.

As shown in fig. 1 to 7, the first bracket 1 includes two parallel sides, and three sets of connection parts are disposed on the two parallel sides along the direction of the parallel sides and correspond to the adjustment connection points 3 one by one. The three groups of connecting parts are respectively distributed at the two ends and the middle of the first bracket 1.

Each group of connecting parts comprises a first connecting part 4 and a second connecting part 5 which are arranged on two parallel edges, first connecting holes 6 are correspondingly arranged on the first connecting part 4 and the second connecting part 5, and the two first connecting holes 6 are coaxially arranged.

A turning tool 7 is arranged on the vertical edge of the first bracket 1, and the turning tool 7 comprises a body and four-sided conical tips. The body and the first bracket 1 are fixedly connected through bolts. The axis of the turning tool 7 is consistent with the directions of the two parallel edges of the first bracket 1. Preferably, the axis of the turning tool 7 is located in the middle of the two parallel edges.

The ends of the two parallel sides of the second bracket 2 are respectively provided with a second connecting hole 8, and the two second connecting holes 8 are coaxially arranged. A connecting rod 14 is further arranged on the second bracket 2, and the connecting rod 14 is fixedly connected with the second bracket 2 through bolts. Is connected with the tool rest of the common lathe through a connecting rod 14.

One of the adjusting connection points 3 is selected according to the requirement, and the first bracket 1 is placed at the U-shaped opening of the second bracket 2, so that two first connection holes 6 corresponding to the adjusting connection point 3 are corresponding to two second connection holes 8 on the second bracket 2.

The utility model further comprises two connecting shafts 9, and each connecting shaft 9 respectively penetrates through the first connecting hole 6 and the corresponding second connecting hole 8. The connecting shafts 9 are fixedly connected with the first support 1 through fixing pieces, one end, connected with the first support 1, of each connecting shaft 9 is provided with a circle of limiting groove 10, each fixing piece comprises a bolt, a screw hole matched with the bolt is formed in the side portion of each support, the screw holes are communicated with corresponding first connecting holes 6, the limiting grooves 10 are located on extension lines of the screw holes, and after the bolts are in threaded connection with the screw holes, the inner ends of the bolts are propped against the limiting grooves 10 to achieve fixed connection of the connecting shafts 9 and the first support 1.

For convenient operation, an operation handle assembly is arranged at the outer end of one connecting shaft 9 far away from the first bracket 1 and the second bracket 2, the operation handle assembly comprises an operation handle 11 and a handle connecting shell 12, the handle connecting shell 12 is in threaded connection with the outer end of the connecting shaft 9, or the two are connected together through a screw rod (screw holes are respectively arranged at the outer end of the connecting shaft 9 and the corresponding handle connecting shell 12, and the screw rod passes through the two screw holes to fixedly connect the two). The operating handle 11 is fixedly connected with the handle connecting housing 12. A shaft cover is arranged on the other rotating shaft for attractive appearance.

When the operation is needed to be performed by replacing a different adjusting connection point 3, the operation handle assembly is removed firstly, then the connecting shaft 9 is removed, and the operation is repeated to perform the rotation connection between the first bracket 1 and the second bracket 2 at the new adjusting connection point 3.

As shown in fig. 2 and 3, when in use, the second bracket 2 is connected with the tool rest of the common lathe, the workpiece 13 is positioned on the fixture of the lathe and is driven by the spindle box to rotate, the axis of the workpiece 13 is opposite to the first bracket 1, and the spherical surface or the circular arc surface can be turned on the workpiece 13 by holding the first bracket 1 to rotate the operating handle. When the cambered surface is required to be turned on the middle part of the workpiece 13, the connection point position 3 can be replaced and adjusted. The first bracket 1 can rotate 360 degrees relative to the second bracket 2.

It should be understood that in the claims, the specification of the present utility model, all "including … …" should be interpreted as open-ended meaning that it is equivalent to "at least … …", and not as closed-ended meaning that it should not be interpreted to "include … …" only.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (10)

1. The utility model provides a mechanism for processing circular arc and sphere of general car, its characterized in that, it includes support one, support two and lathe tool, the lathe tool level sets up on support one, support one and support two can rotate to be connected, and the lathe tool includes body and tip, support two and general car's knife rest fixed connection, support one and support two can dismantle the connection.

2. The mechanism for processing circular arcs and spherical surfaces according to claim 1, wherein the first bracket and the second bracket are U-shaped, the first bracket is smaller than the second bracket in size, and two parallel edges of the first bracket are correspondingly and rotatably connected with two parallel edges of the second bracket.

3. The mechanism for processing circular arcs and spherical surfaces according to claim 1, wherein a plurality of adjusting connection points are arranged on the first bracket, and the first bracket is connected with the second bracket in a replaceable and adjustable manner.

4. The mechanism for processing circular arcs and spherical surfaces by common turning according to claim 3, wherein a plurality of groups of connecting parts are arranged on two parallel edges of the first bracket, each group of connecting parts corresponds to the adjusting connecting points one by one, each group of connecting parts comprises a first connecting part and a second connecting part which are respectively arranged on the two parallel edges of the first bracket, a first connecting hole is arranged at each connecting part, and the first connecting holes of the same group of connecting parts on the first bracket are coaxially arranged.

5. The mechanism for turning circular arcs and spheres according to claim 4, wherein the two parallel sides of the second bracket are respectively provided with a second connecting hole, and the second connecting holes are coaxially arranged.

6. The mechanism for machining arcs and spheres according to claim 5, wherein the first and second brackets are connected to each other by a set of connecting shafts, each set of connecting shafts comprising two connecting shafts, each connecting shaft connecting the corresponding set of connecting portions together at one of the adjustment connection points, and the corresponding first and second connecting holes.

7. The mechanism for machining circular arcs and spheres according to claim 6, wherein the first bracket and each connecting shaft are provided with a fixed structure, and each connecting shaft and the second bracket can rotate relatively.

8. The mechanism for processing circular arcs and spherical surfaces according to claim 7, wherein the outer ends of the connecting shafts, which are far away from the first bracket and the second bracket, are provided with operation handle assemblies, the operation handle assemblies comprise operation handles and handle connecting shells, the handle connecting shells are fixedly connected with the outer ends of one of the connecting shafts, and the operation handles are connected with the handle connecting shells.

9. The mechanism for processing circular arcs and spherical surfaces by common turning according to claim 1, wherein a connecting rod is further arranged on the second bracket, and the connecting rod is fixedly connected with the second bracket through bolts.

10. The mechanism for processing circular arcs and spherical surfaces by common turning according to claim 1, wherein the turning tool is detachably connected with the first bracket, the turning tool is horizontally arranged on the side of the first bracket perpendicular to two parallel sides of the first bracket, and the tip of the turning tool is in a four-sided cone shape.

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