CN211053119U - Multi-station device for machining and assembling structure thereof - Google Patents
Multi-station device for machining and assembling structure thereof Download PDFInfo
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- CN211053119U CN211053119U CN201921307714.1U CN201921307714U CN211053119U CN 211053119 U CN211053119 U CN 211053119U CN 201921307714 U CN201921307714 U CN 201921307714U CN 211053119 U CN211053119 U CN 211053119U
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Abstract
The utility model relates to a multistation device for machining to and assembly structure of this multistation device when concrete implementation. The utility model discloses mainly include work piece fixing support, work piece straining screw, connection pad, graduated disk, bearing, housing screw and locating pin. The connecting disc is rotationally connected with the dividing disc through a bearing; the connecting disc is fixedly connected with a support side wall plate of the workpiece fixing support through a compression screw, and the workpiece is fixedly arranged on a support bottom plate of the workpiece fixing support through a workpiece tensioning screw. The positioning pin is inserted into the indexing holes of the connecting disc and the indexing disc to realize the indexing function and is matched with the processing position of the workpiece. The utility model discloses simple structure, convenient operation has widened triaxial numerical control planer-type milling machine's throughput, can realize four-axis or five-axis processing, has reduced the clamping number of times of work piece simultaneously, has improved machining precision and efficiency.
Description
Technical Field
The utility model relates to a multistation device for machining to and the assembly structure of this multistation device when concrete implementation belongs to machining auxiliary device technical field, is particularly useful for the processing of large and medium-sized component on planer-type milling machine.
Background
The numerical control planer type milling machine is novel equipment which is continuously ascended in China in recent years, and makes an immortal contribution to the advanced processing technology of China. However, the method is also limited to various machining in three-dimensional space, and is also incapable of four-axis and five-axis machining.
The machined workpieces on a common planer type milling machine are heavy large and medium parts, and although a universal dividing head is used for realizing four-axis machining at present, errors are easy to occur by using a dividing value, and the machined workpieces are limited to chuck type interfaces and cannot cover special-shaped parts.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the multi-station device for machining is simple in structure, is used on a numerical control planer type milling machine, can improve the machining capacity of the planer type milling machine, and achieves four-axis or five-axis machining.
The utility model provides a technical scheme that its technical problem adopted is: the multi-station device for machining comprises a workpiece fixing support, a connecting disc and an index plate; the workpiece fixing support comprises a support base plate and a support side wall plate, the support side wall plate is vertically connected to the upper surface of the support base plate, and a workpiece connecting hole is formed in the middle of the support base plate along the thickness direction of the support base plate; the connecting disc is fixedly arranged on the outer side of the side wall plate of the support; the dividing plate is arranged on the other side of the connecting plate relative to the side wall plate of the support; the dividing plate and the connecting plate are both parallel to the side wall plate of the support; the dividing plate is rotationally connected with the connecting plate, and the rotation axis is parallel to the support bottom plate; the dividing plate is provided with a pin hole A along the thickness direction, the connecting plate is provided with a pin hole B along the thickness direction, the central axis of the pin hole A and the central axis of the pin hole B are positioned on the same circumferential surface, and the circumferential surface takes the rotating axis between the dividing plate and the connecting plate as the central axis; at least one of the pin holes A and B is plural in number and distributed at intervals in the circumferential direction.
Further, the method comprises the following steps: and a bearing is arranged between the rotating matching surfaces of the dividing disc and the connecting disc, one of the dividing disc and the connecting disc is fixedly connected with the outer ring of the bearing, and the other one of the dividing disc and the connecting disc is fixedly connected with the inner ring of the bearing.
Further, the method comprises the following steps: the middle part of the outer surface of the connecting disc is provided with a bearing mounting groove, and the side wall of the bearing mounting groove is in interference fit with the outer ring of the bearing; the middle part of the outer surface of the dividing plate is provided with a bearing mounting shaft, and the bearing mounting shaft and the inner ring of the bearing are in interference fit.
Further, the method comprises the following steps: the outer surface of the dividing disc and the outer surface of the connecting disc are in mutual contact.
Further, the method comprises the following steps: a positioning boss is arranged on one side of the support side wall plate facing the connecting disc, and the connecting disc is provided with an assembling hole or an assembling groove matched with the positioning boss; the connecting disc is fixedly connected with the side wall plate of the support through a compression screw.
Further, the method comprises the following steps: and a positioning hole matched with the workpiece bottom end positioning structural part is formed in the support base plate.
Further, the method comprises the following steps: the upper surface of the support base plate is fixedly connected with a support second side wall plate, the support second side wall plate and the support side wall plate are arranged in parallel, and the support second side wall plate, the support side wall plate and the support base plate are matched to form a workpiece fixing support with a U-shaped structure; a cylindrical boss is fixedly arranged on the outer side of the second side wall plate of the support, and the circumferential surface of the cylindrical boss takes a rotating axis between the dividing plate and the connecting disc as a central axis.
When the utility model is implemented, the device generally comprises processing equipment, a workpiece tensioning screw and a positioning pin, and the specific assembly structure is as follows; the index plate is fixedly arranged on a workbench of the processing equipment; the bottom end of the workpiece is provided with a threaded connecting hole, a workpiece tensioning screw penetrates through the workpiece connecting hole from bottom to top and then is connected with the threaded connecting hole at the bottom end of the workpiece, and the workpiece is fixedly arranged on a support base plate of the workpiece fixing support through the workpiece tensioning screw; after the indexing disc and the connecting disc rotate to the preset position, the positioning pins are inserted into the pin holes A and the pin holes B, and the connecting disc and the indexing disc are fixedly connected through the positioning pins. In order to prevent the workpiece from rotating, the side surface of the workpiece is contacted with the side wall plate of the support; when the workpiece fixing support is provided with the support second side wall plate, the workpiece fixing support can also be arranged in a mode that the side surface of the workpiece is contacted with the support second side wall plate; when the workpiece is heavy, an auxiliary support device can be arranged below the cylindrical boss.
The utility model has the advantages that: the index plate is simple in structure, corresponding pin holes A and pin holes B can be selected to be connected according to the position requirements of different workpieces, multi-station conversion is achieved, and particularly, the bearing connection is used, so that the heavy workpieces are light and fast in rotation. When the numerical control gantry milling machine tool is suitable for a numerical control gantry milling machine, four-axis or five-axis machining can be realized on the gantry milling machine without four axes.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an isometric view of the application of FIG. 1;
FIG. 4 is a front view of the part indexing disk;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is an isometric view of a component workpiece holder;
fig. 7 is a top view of a component workpiece holder.
Labeled as: 1-a workpiece fixing support, 11-a support base plate, 12-a support side wall plate, 13-a workpiece connecting hole, 14-a positioning boss, 15-a support second side wall plate, 16-a cylindrical boss, 2-a workpiece tensioning screw, 3-a connecting disc, 31-a pin hole B, 4-an indexing disc, 41-a pin hole A, 5-a bearing, 6-a compression screw, 7-a positioning pin and 8-a workpiece.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
As shown in fig. 1 to 7, the present invention includes a workpiece fixing support 1, a connecting plate 3 and an index plate 4; the workpiece fixing support 1 comprises a support base plate 11 and a support side wall plate 12, the support side wall plate 12 is vertically connected to the upper surface of the support base plate 11, and a workpiece connecting hole 13 is formed in the middle of the support base plate 11 along the thickness direction of the support base plate; the connecting disc 3 is fixedly arranged on the outer side of the support side wall plate 12; the dividing disc 4 is arranged on the other side of the connecting disc 3 relative to the side wall plate 12 of the support; the dividing plate 4 and the connecting plate 3 are both parallel to the side wall plate 12 of the support; the dividing plate 4 is rotationally connected with the connecting plate 3, and the rotation axis is parallel to the support bottom plate 11; the dividing plate 4 is provided with a pin hole A41 along the thickness direction, the connecting plate 3 is provided with a pin hole B31 along the thickness direction, the central axis of the pin hole A41 and the central axis of the pin hole B31 are located on the same circumferential surface, and the circumferential surface takes the rotating axis between the dividing plate 4 and the connecting plate 3 as the central axis; at least one of the pin holes a41 and B31 is plural in number and is circumferentially spaced, preferably uniformly spaced.
When the utility model is implemented, the utility model also comprises a processing device, a workpiece 8, a workpiece tension screw 2 and a positioning pin 7, and the specific assembly structure is as follows; the index plate 4 is fixedly arranged on a workbench of the processing equipment; the bottom end of the workpiece 8 is provided with a threaded connecting hole, a workpiece tensioning screw 2 penetrates through the workpiece connecting hole 13 from bottom to top and then is connected with the threaded connecting hole at the bottom end of the workpiece 8, and the workpiece 8 is fixedly arranged on a support bottom plate 11 of the workpiece fixing support 1 through the workpiece tensioning screw 2; after the indexing disc 4 and the connecting disc 3 rotate to the preset position, the positioning pin 7 is inserted into the pin hole A41 and the pin hole B31, and the connecting disc 3 and the indexing disc 4 are fixedly connected through the positioning pin 7. To prevent rotation of the workpiece 8, the side of the workpiece 8 is brought into contact with the abutment side wall plate 12 during assembly.
The utility model discloses not only can be used in planer-type milling machine, also can be used to on triaxial machining center and the ordinary milling machine, use planer-type milling machine as the example below, it is right the utility model discloses an implementation process is explained further. In both the pin holes a41 and the pin holes B31, in the present embodiment, a plurality of pin holes a41 are provided at regular intervals, one pin hole B31 is provided, and each pin hole a41 corresponds to one index position. When the indexing disc machine is used, the indexing disc 4 is fixed on a vertical plate workbench of a machine tool, then the positioning pin 7 is inserted into a correct machining indexing position, and the connecting disc 3 is tightly pressed on the indexing disc 4 through a pressing plate of the planer type milling machine; then, a workpiece 8 is fixedly arranged on a support bottom plate 11 of the workpiece fixing support 1 through a workpiece tensioning screw 2, the first station is machined, after the machining is completed, a pressing plate for pressing the connecting disc 3 is loosened, the positioning pin 7 is taken out, the connecting disc 3 is rotated to the next station hole, the positioning pin 7 is inserted, the connecting disc 3 is pressed, and the next station is machined. And repeating the operations until all the stations of the workpiece are processed, and taking down the workpiece. And then another workpiece is processed, the workpiece is clamped, the positioning pin 7 is reinserted to a correct station, the connecting disc 3 is pressed, and the processing is implemented. And repeating the operations to realize multi-station processing. The utility model discloses use on the lathe, simple structure, convenient operation has widened the throughput that triaxial numerical control longmen milled, realizes four-axis or five-axis processing, has reduced work piece 8's clamping number of times simultaneously, has improved machining precision and efficiency.
The rotary connection between the dividing plate 4 and the connecting plate 3 can be realized in a way that a shaft is matched with a hole. In order to facilitate the processing of a heavy workpiece 8, a bearing 5 is arranged between the rotating matching surfaces of the dividing disc 4 and the connecting disc 3, one of the dividing disc 4 and the connecting disc 3 is fixedly connected with the outer ring of the bearing 5, and the other one is fixedly connected with the inner ring of the bearing 5. Because the indexing disk 4 is connected with the connecting disk 3 by the bearing 5, the relatively heavy workpiece 8 can be rotated very lightly. The bearing 5 in this embodiment is a roller pin bearing.
In order to facilitate assembly, the bearing 5 of the utility model has the assembling mode that the middle part of the outer surface of the connecting disc 3 is provided with a bearing mounting groove, and the side wall of the bearing mounting groove is in interference fit with the outer ring of the bearing 5; the middle part of the outer surface of the dividing disc 4 is provided with a bearing mounting shaft, and the bearing mounting shaft is in interference fit with the inner ring of the bearing 5. In order to make the assembly structure more reliable, the outer surface of the index plate 4 and the outer surface of the connecting plate 3 are in contact with each other. In the embodiment, the depth of the bearing mounting groove on the connecting disc 3 is smaller than the width of the bearing 5, so that the contact surface of the dividing disc 4 and the connecting disc 3 is provided with a groove, the side wall of the groove is in clearance fit with the outer ring of the bearing 5, the sum of the depth of the groove and the depth of the bearing mounting groove on the connecting disc 3 is equal to the width of the bearing 5, and the bearing mounting shaft on the dividing disc 4 is arranged at the bottom of the groove, so that the requirement of mutual contact between the outer surface of the dividing disc 4 and the outer surface of the connecting disc 3 is met.
In order to conveniently realize the connection and fixation between the support side wall plate 12 and the connecting disc 3, one side of the support side wall plate 12 facing the connecting disc 3 is provided with a positioning boss 14, the connecting disc 3 is provided with an assembly hole or an assembly groove matched with the positioning boss 14, and the assembly groove and the bearing mounting groove can be processed into a step hole of an integrated structure for convenient processing; the assembly structure of the positioning boss 14 can effectively ensure the installation precision. The connecting plate 3 and the support side wall plate 12 can be fixedly connected through the compression screws 6, and in the embodiment, two compression screws 6 are adopted for fixedly connecting.
In order to realize accurate positioning of the workpiece 8; the support base plate 11 is provided with a positioning hole matched with the positioning structural part at the bottom end of the workpiece 8. In this embodiment, the bottom end of the workpiece 8 has a cylindrical structure, and forms a clearance fit with the positioning hole, defining the mounting position of the workpiece 8. The positioning hole and the workpiece connecting hole 13 can be machined into a step hole of an integral structure.
In order to facilitate processing of a heavy workpiece 8, a support second side wall plate 15 is fixedly connected to the upper surface of the support base plate 11, the support second side wall plate 15 is arranged in parallel with the support side wall plate 12, and the support second side wall plate 15, the support side wall plate 12 and the support base plate 11 are matched to form a workpiece fixing support 1 with a U-shaped structure; the outer side of the second side wall plate 15 of the support is fixedly provided with a cylindrical boss 16, and the circumferential surface of the cylindrical boss 16 takes the rotation axis between the dividing plate 4 and the connecting plate 3 as the central axis. When the workpiece is heavy, auxiliary support means may be provided below the cylindrical boss 16. In order to prevent the rotation of the workpiece 8, when the workpiece fixing support 1 is provided with the support second side wall plate 15, it may be arranged in such a manner that the side surface of the workpiece 8 is in contact with the support second side wall plate 15.
Claims (10)
1. A multistation device for machining which characterized in that: comprises a workpiece fixing support (1), a connecting disc (3) and an index plate (4);
the workpiece fixing support (1) comprises a support base plate (11) and a support side wall plate (12), the support side wall plate (12) is vertically connected to the upper surface of the support base plate (11), and a workpiece connecting hole (13) is formed in the middle of the support base plate (11) along the thickness direction of the support base plate;
the connecting disc (3) is fixedly arranged on the outer side of the side wall plate (12) of the support;
the dividing disc (4) is arranged on the other side of the connecting disc (3) relative to the side wall plate (12) of the support; the dividing plate (4) and the connecting plate (3) are both parallel to the side wall plate (12) of the support; the dividing plate (4) is rotationally connected with the connecting plate (3), and the rotation axis is parallel to the support base plate (11); the dividing plate (4) is provided with a pin hole A (41) along the thickness direction, the connecting plate (3) is provided with a pin hole B (31) along the thickness direction, the central axis of the pin hole A (41) and the central axis of the pin hole B (31) are located on the same circumferential surface, and the circumferential surface takes the rotating axis between the dividing plate (4) and the connecting plate (3) as the central axis; at least one of the pin holes A (41) and the pin holes B (31) is plural in number and distributed at intervals in the circumferential direction.
2. A multi-station apparatus for machining according to claim 1, wherein: a bearing (5) is arranged between the rotating matching surfaces of the dividing disc (4) and the connecting disc (3), one of the dividing disc (4) and the connecting disc (3) is fixedly connected with the outer ring of the bearing (5), and the other one is fixedly connected with the inner ring of the bearing (5).
3. A multi-station apparatus for machining according to claim 2, wherein: a bearing installation groove is formed in the middle of the outer surface of the connecting disc (3), and the side wall of the bearing installation groove is in interference fit with the outer ring of the bearing (5); the middle part of the outer surface of the dividing disc (4) is provided with a bearing mounting shaft, and the bearing mounting shaft and the inner ring of the bearing (5) are in interference fit.
4. A multi-station apparatus for machining according to claim 1, wherein: the outer surface of the dividing disc (4) and the outer surface of the connecting disc (3) are in mutual contact.
5. A multi-station apparatus for machining according to claim 1, wherein: a positioning boss (14) is arranged on one side, facing the connecting disc (3), of the support side wall plate (12), and the connecting disc (3) is provided with an assembling hole or an assembling groove matched with the positioning boss (14); the connecting disc (3) is fixedly connected with the side wall plate (12) of the support through a compression screw (6).
6. A multi-station apparatus for machining according to claim 1, wherein: the support base plate (11) is provided with a positioning hole matched with the positioning structural part at the bottom end of the workpiece (8).
7. A multi-station apparatus for machining according to claim 1, wherein: a second support side wall plate (15) is fixedly connected to the upper surface of the support base plate (11), the second support side wall plate (15) and the support side wall plate (12) are arranged in parallel, and the second support side wall plate (15), the support side wall plate (12) and the support base plate (11) are matched to form a workpiece fixing support (1) with a U-shaped structure; a cylindrical boss (16) is fixedly arranged on the outer side of the second side wall plate (15) of the support, and the circumferential surface of the cylindrical boss (16) takes the rotating axis between the dividing plate (4) and the connecting plate (3) as the central axis.
8. An assembling structure of a multi-station apparatus for machining according to any one of claims 1 to 6, wherein: the device also comprises processing equipment, a workpiece (8), a workpiece tensioning screw (2) and a positioning pin (7), wherein the index plate (4) is fixedly arranged on a workbench of the processing equipment; the bottom end of the workpiece (8) is provided with a threaded connecting hole, a workpiece tensioning screw (2) penetrates through the workpiece connecting hole (13) from bottom to top and then is connected with the threaded connecting hole at the bottom end of the workpiece (8), and the workpiece (8) is fixedly arranged on a support bottom plate (11) of the workpiece fixing support (1) through the workpiece tensioning screw (2); after the indexing disc (4) and the connecting disc (3) rotate to a preset position, the positioning pin (7) is inserted into the pin hole A (41) and the pin hole B (31), and the connecting disc (3) and the indexing disc (4) are fixedly connected through the positioning pin (7).
9. A multi-station apparatus assembling structure for machining according to claim 8, wherein: the side face of the workpiece (8) is in contact with the abutment side wall plate (12).
10. A multi-station apparatus assembling structure for machining according to claim 8, wherein: a second support side wall plate (15) is fixedly connected to the upper surface of the support base plate (11), the second support side wall plate (15) and the support side wall plate (12) are arranged in parallel, and the second support side wall plate (15), the support side wall plate (12) and the support base plate (11) are matched to form a workpiece fixing support (1) with a U-shaped structure; a cylindrical boss (16) is fixedly arranged on the outer side of the second side wall plate (15) of the support, and the circumferential surface of the cylindrical boss (16) takes the rotating axis between the dividing plate (4) and the connecting plate (3) as the central axis;
the side surface of the workpiece (8) is contacted with the second side wall plate (15) of the support; an auxiliary supporting device is arranged below the cylindrical boss (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307714.1U CN211053119U (en) | 2019-08-13 | 2019-08-13 | Multi-station device for machining and assembling structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307714.1U CN211053119U (en) | 2019-08-13 | 2019-08-13 | Multi-station device for machining and assembling structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211053119U true CN211053119U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921307714.1U Active CN211053119U (en) | 2019-08-13 | 2019-08-13 | Multi-station device for machining and assembling structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211053119U (en) |
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2019
- 2019-08-13 CN CN201921307714.1U patent/CN211053119U/en active Active
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