CN217832830U - Clamping device for machining multi-angle side holes of shaft sleeve type workpiece - Google Patents
Clamping device for machining multi-angle side holes of shaft sleeve type workpiece Download PDFInfo
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- CN217832830U CN217832830U CN202222302293.1U CN202222302293U CN217832830U CN 217832830 U CN217832830 U CN 217832830U CN 202222302293 U CN202222302293 U CN 202222302293U CN 217832830 U CN217832830 U CN 217832830U
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Abstract
The utility model relates to a clamping device of axle sleeve class work piece multi-angle side opening processing. The clamping device capable of achieving automatic machining of the multi-angle side holes of the shaft sleeve type workpiece is convenient to operate, the position accuracy of the side holes can be effectively guaranteed, and machining efficiency is improved. The numerical control machine tool comprises a base plate, a first V-shaped support, a second V-shaped support, a pressing device, a rotary table adapter plate and a workpiece, wherein the base plate is fixedly arranged on the numerical control machine tool; the pressing device can press or loosen the workpiece from the upper part of the workpiece; the rear end of the workpiece is connected with a rotary table of the numerical control machine tool through a rotary table adapter plate, and can rotate at an angle under the driving of the rotary table.
Description
Technical Field
The utility model belongs to the machining field, in particular to clamping device of axle sleeve class work piece multi-angle side opening processing.
Background
For example, a workpiece such as an electric spindle sleeve and other sleeves often needs to be machined with a plurality of side holes on an outer cylindrical surface thereof, and some of the side holes may also differ by a certain angle in a circumferential direction, in order to machine the side holes, the existing machining process is as follows: and a workpiece is supported by a V-shaped block on a numerical control machine tool, and after a main shaft of the machine tool drives a cutter to process a side hole, the shaft sleeve workpiece is manually rotated to a proper position of a next side hole for processing. The processing technology has the advantages of high degree of manual participation, inconvenient operation and low processing efficiency, and is difficult to ensure the position precision of the side hole.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide a can realize the clamping device of axle sleeve class work piece multi-angle side opening automated processing, process a side opening after, can rotate the work piece to lower side hole position automatically and process, convenient operation can effectively guarantee the position precision of side opening, improves machining efficiency.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a clamping device for multi-angle side hole machining of a shaft sleeve type workpiece comprises a bottom plate, a first V-shaped support, a second V-shaped support, a pressing device, a rotary table adapter plate and a workpiece, wherein the bottom plate is fixedly arranged on a numerical control machine tool, and the first V-shaped support and the second V-shaped support are arranged on the bottom plate side by side along the axial direction of the workpiece and respectively support the workpiece front and back; the pressing device can press or loosen the workpiece from the upper part of the workpiece; the rear end of the workpiece is connected with a rotary table of the numerical control machine tool through a rotary table adapter plate, and can rotate at an angle under the driving of the rotary table.
The clamping device for machining the multi-angle side hole of the shaft sleeve type workpiece comprises a pressing cylinder, a moving plate, a pressing plate, a first pull rod and a second pull rod, wherein the pressing cylinder consists of a base, a cylinder piston and a cylinder cover; the moving plate is fixedly connected to the top of the cylinder piston and can move up and down along with the cylinder piston; the top ends of the first pull rod and the second pull rod are fixedly connected to the two ends of the pressure plate respectively to form a portal frame structure; the bottoms of the first pull rod and the second pull rod are respectively hinged to two ends of the moving plate through a first pin and a second pin.
According to the clamping device for machining the multi-angle side holes of the shaft sleeve type workpiece, the second pin is the movable pin, the outer end of the second pin is connected with the push-pull handle, and the second pull rod and the movable plate can be connected and separated by pushing and pulling the movable pin through the push-pull handle.
Above-mentioned clamping device of axle sleeve class work piece multi-angle side opening processing, still be provided with a plurality of spacing guiding holes on the base, be fixed with a plurality of spacer pins on the movable plate, spacer pin and spacing guiding hole one-to-one cooperation.
According to the clamping device for machining the multi-angle side holes of the shaft sleeve type workpiece, the rotary table adapter plate is fixedly connected with the rotary table of the numerical control machine tool, and a plurality of positioning pins are arranged on the rotary table adapter plate; the workpiece is provided with a plurality of axial holes matched with the positioning pins.
Above-mentioned clamping device of axle sleeve class work piece multi-angle side opening processing, still install thrust cylinder on the bottom plate, thrust cylinder sets up in work piece the place ahead, can carry out axial spacing to the work piece when the work piece rotates through thrust cylinder.
The clamping device for machining the multi-angle side hole of the shaft sleeve type workpiece comprises a thrust cylinder, a thrust piston, a thrust cylinder cover, a bearing seat, a thrust plate, a bearing group and a bearing gland, wherein the thrust piston cavity and a push-pull guide cavity are respectively arranged on the cylinder base, and are coaxially and oppositely arranged in front and at back and communicated with each other; the thrust piston is arranged in the thrust piston cavity, the rod part of the thrust piston extends into the push-pull guide cavity, and the thrust piston cavity is sealed by the thrust cylinder cover from the front end; the bearing seat is arranged in the push-pull guide cavity, is fixedly connected with the rod part of the thrust piston and can move back and forth in the push-pull guide cavity under the driving of the thrust piston; the thrust plate is supported in the bearing block through a bearing group, the bearing group is axially limited in the bearing block through a bearing gland, and the bearing gland is fixedly connected with the bearing block.
According to the clamping device for machining the multi-angle side holes of the shaft sleeve type workpiece, the on-off of the pressing cylinder and the on-off of the thrust cylinder are automatically controlled by the control system of the numerical control machine tool.
Above-mentioned clamping device of axle sleeve class work piece multi-angle side opening processing, first V type support with the second V type supports and still is provided with the air vent that lets in the V profile respectively, the air vent couples with the gas blowing device of digit control machine tool to control system automatic control by the digit control machine tool is led to and is cut off gas.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses utilize the revolving stage structure of digit control machine tool to realize the automated processing of a plurality of side openings that differ certain angle on the cylindrical side wall, need not artifical the participation, convenient operation, it is efficient to the turned angle of revolving stage with stop the action by the accurate control of numerical control procedure, power input simple structure is reliable, can effectively guarantee the position accuracy of side opening. The clamping stability of the workpiece in the machining process can be guaranteed through the matching of the two V-shaped supports and the pressing device, shaking cannot be generated, and the service life of the cutter is effectively guaranteed. The V-shaped surface that V type supported and the work piece contact has seted up the air vent, can effectively guarantee the cleanness of V profile, can not block the smear metal, can effectively protect the cylindrical side of work piece.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the connection structure between the turntable adapter plate and the workpiece.
Fig. 3 is a schematic view of the external structure of the compressing device of the present invention.
Fig. 4 is a schematic view of the internal structure of the compressing device of the present invention.
Fig. 5 is a schematic structural view of the thrust cylinder of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features.
Combine figure 1 and figure 2 to show, the utility model discloses a clamping device of axle sleeve class work piece multi-angle side opening processing, support 4, second V type including bottom plate 1, thrust cylinder 2, closing device 3, first V type and support 5, revolving stage keysets 6, locating pin 7 and work piece 8. Bottom plate 1 fixed mounting is on the table surface of digit control machine tool, thrust cylinder 2, first V type support 4, closing device 3 and second V type support 5 and install in proper order on bottom plate 1 from the front to the back, work piece 8 strides and locates first V type and support 4, closing device 3 and second V type and support 5 on, wherein first V type supports 4 and second V type and supports 5 and support the front and back both ends of work piece 8 respectively, closing device 3 can compress tightly or loosen work piece 8 from the top. The turntable adapter plate 6 is coupled to the rear end of the workpiece 8 by a positioning pin 7, wherein the positioning pin 7 is fixed to the turntable adapter plate 6, the positioning pin 7 is fitted with an axial hole 83, and the axial hole 83 is provided on the workpiece 8. The rotary table adapter plate 6 is also fixedly connected with a rotary table (not shown in the figure) of a numerical control machine tool, and the rotary table adapter plate 6 and the workpiece 8 can be sequentially driven to rotate angularly through the rotation of the rotary table controlled by the numerical control machine tool. When the rotary table drives the workpiece 8 to rotate, the thrust cylinder 2 can be pushed out to tightly push the workpiece against the rotary table adapter plate 6 so as to limit the axial movement of the workpiece 8. In order to prevent chips from falling into a gap between the V-shaped surface of the first V-shaped support 4 or the second V-shaped support 5 and the workpiece 8 and scratching the surface of the workpiece 8, the first V-shaped support 4 and the second V-shaped support 5 are respectively provided with a vent hole 41 and a vent hole 51 which are respectively connected with an air blowing device of the numerical control machine, a control system of the numerical control machine controls the air blowing device to introduce compressed air into the vent holes 41 and the vent holes 51 and blow the compressed air out from the air outlet end of the V-shaped surface, so that the chips and other impurities on the surface of the workpiece 8 are cleaned.
As shown in fig. 3 and 4, the pressing device 3 includes a base 31, a cylinder head 32, a cylinder piston 33, a moving plate 34, a first pull rod 35, a second pull rod 39, a pressing plate 36, a push-pull handle 37, and a movable pin 38. The base 31 is fixedly installed on the bottom plate 1, a piston cavity is arranged in the center of the base 31, the cylinder piston 33 is arranged in the piston cavity, and the piston cavity is sealed from the bottom by the cylinder cover 32. The moving plate 34 is fixedly coupled to the top of the cylinder piston 33 and moves up and down together with the cylinder piston 33. In order to prevent the moving plate 34 from rotating, a limit pin 310 is fixed on the moving plate 34, and a limit guide hole corresponding to the limit pin 310 is arranged on the base 31, and when the cylinder piston 33 drives the moving plate 34 to move up and down, the limit pin 310 moves up and down in the limit guide hole respectively. The top ends of the first pull rod 35 and the second pull rod 39 are respectively and fixedly connected to two ends of the pressure plate 36 to form a gantry structure. The lower end of the first pull rod 35 is hinged with one end of the moving plate 34, the second pull rod 39 is hinged with the other end of the moving plate through a movable pin 38, the outer end of the movable pin 38 is connected with a push-pull handle 37, and the second pull rod 39 and the moving plate 34 can be connected and separated by pushing and pulling the movable pin 38 through the push-pull handle 37.
As shown in fig. 5, thrust cylinder 2 includes cylinder block 21, bearing housing 24, bearing group 25, thrust piston 26, thrust cylinder head 27, thrust plate 28, bearing cover 29, seal ring 210, and seal cover 211. The cylinder base body 21 is respectively provided with a thrust piston cavity 22 and a push-pull guide cavity 23, and the thrust piston cavity 22 and the push-pull guide cavity 23 are coaxially arranged in an opposite manner in front and back and are communicated with each other. The thrust piston 26 is disposed in the thrust piston chamber 22 with its rod portion extending into the push-pull guide chamber 23 and the thrust cylinder head 27 sealing the thrust piston chamber 22 from the front. The bearing seat 24 is arranged in the push-pull guide cavity 23, is fixedly connected with the rod part of the thrust piston 26, and can move back and forth in the push-pull guide cavity 23 under the driving of the thrust piston 26. The thrust plate 28 is supported in the bearing seat 24 through a bearing set 25, the bearing set 25 is axially limited in the bearing seat 24 through a bearing gland 29, and the bearing gland 29 is fixedly connected with the bearing seat 24. In order to prevent damage to the bearing assembly 25 caused by external chips or cutting fluid, a seal cover 211 and a seal ring 210 are further provided at the end of the thrust plate 28 and in the circumferential direction, respectively.
In operation, the pull-push handle 37 is pulled first to draw the movable pin 38 out of the pin hole of the second pull rod 39, and the first pull rod 35 is hinged to the moving plate 34, so that the second pull rod 39 is lifted upwards, and the gantry structure formed by the first pull rod 35, the second pull rod 39, the pressing plate 36 and the moving plate 34 can be opened, as shown in fig. 4. Then, the workpiece 8 is placed on the first V-shaped support 4 and the second V-shaped support 5, and the workpiece 8 is pushed to move in the direction of the turntable so that the positioning pin 7 is inserted into the axial hole 83 of the workpiece 8. Then, the gantry structure composed of the first pull rod 35, the second pull rod 39 and the press plate 36 is closed, and the movable pin 38 is inserted into the pin hole of the second pull rod 39, so that the second pull rod 39 and the movable plate 34 are connected together.
Starting a numerical control machine control program, introducing compressed air into a piston cavity of the base 31 to enable the cylinder piston 33 to move downwards, and sequentially driving the moving plate 34, the first pull rod 35, the second pull rod 39 and the pressing plate 36 to move downwards until the pressing plate 36 contacts with the workpiece 8 and presses the workpiece 8 tightly. The numerical control machine tool blows air into the vent hole 41 and the vent hole 51, the tool handle 9 is arranged on an electric spindle of the numerical control machine tool, and the tool 10 is driven by the tool handle 9 to process the first side hole 81. After the machining is finished, the air is reversely introduced into the piston cavity of the base 31 to enable the cylinder piston 33 to move upwards, and the moving plate 34, the first pull rod 35, the second pull rod 39 and the pressing plate 36 are sequentially driven to move upwards, so that the pressing plate 36 releases the workpiece 8.
Compressed gas is introduced into the thrust piston chamber 22, so that the thrust piston 26 pushes the bearing block 22 outwards from the push-pull guide chamber 23 until the thrust plate 28 presses the workpiece 8 tightly. A rotary table (not shown) of the numerical control machine tool drives the workpiece 8 to rotate by a certain angle through the rotary table adapter plate 6 and the positioning pin 7, wherein the angle is the difference between the first side hole 81 and the second side hole 82, so that the second side hole 82 rotates right above. And then, starting the pressing device 3 to enable the pressing plate 36 to move downwards and press the workpiece 8, driving the cutter 10 to move to the second side hole 82 by the numerical control machine tool to process the second side hole 82, reciprocating the second side hole, after all the side holes on the workpiece 8 are processed, respectively starting the thrust cylinder 2 and the pneumatic pressing device 3 to enable the thrust cylinder 2 to drive the bearing seat 22 and the thrust plate 28 to retreat and separate from the workpiece 8, and simultaneously enabling the moving plate 34 to drive the pressing plate 36 to move upwards integrally and loosen the workpiece 8. Then the movable pin 38 is drawn out by the push-pull handle 37, the second pull rod 39 is pushed upwards to open the gantry structure, and the workpiece 8 can be taken out, and the whole machining process is finished.
The utility model discloses an automatic clamping of the processing of the full side opening of work piece, the rotation adjustment of work piece with press from both sides tight the numerical control program control that loosens the action whole by the digit control machine tool, need not artifical adjustment, degree of automation is higher.
Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can make various modifications according to the principles of the present invention. Therefore, modifications made in accordance with the principles of the present invention should be understood to fall within the scope of the present invention.
Claims (9)
1. The clamping device for machining the multi-angle side holes of the shaft sleeve type workpiece is characterized by comprising a bottom plate, a first V-shaped support, a second V-shaped support, a pressing device, a rotary table adapter plate and a workpiece, wherein the bottom plate is fixedly arranged on a numerical control machine tool, and the first V-shaped support and the second V-shaped support are arranged on the bottom plate side by side along the axial direction of the workpiece and respectively support the workpiece front and back; the pressing device can press or loosen the workpiece from the upper part of the workpiece; the rear end of the workpiece is connected with a rotary table of the numerical control machine tool through a rotary table adapter plate, and can rotate at an angle under the driving of the rotary table.
2. The clamping device for machining the multi-angle side hole of the shaft sleeve type workpiece according to claim 1, wherein the pressing device comprises a pressing cylinder, a moving plate, a pressing plate, a first pull rod and a second pull rod, the pressing cylinder comprises a base, a cylinder piston and a cylinder cover, the base is fixedly installed on the bottom plate, a piston cavity is formed in the center of the base, the cylinder piston is arranged in the piston cavity, and the cylinder cover seals the piston cavity from the bottom; the moving plate is fixedly connected to the top of the cylinder piston and can move up and down along with the cylinder piston; the top ends of the first pull rod and the second pull rod are respectively and fixedly connected to the two ends of the pressure plate to form a portal frame structure; the bottoms of the first pull rod and the second pull rod are respectively hinged to two ends of the moving plate through a first pin and a second pin.
3. The clamping device for machining the multi-angle side hole of the shaft sleeve type workpiece according to claim 2, wherein the second pin is a movable pin, a push-pull handle is connected to the outer end of the second pin, and the second pull rod and the movable plate can be connected and separated by pushing and pulling the movable pin through the push-pull handle.
4. The clamping device for machining the multi-angle side hole of the shaft sleeve type workpiece according to claim 3, wherein a plurality of limiting guide holes are further formed in the base, a plurality of limiting pins are fixed on the moving plate, and the limiting pins are matched with the limiting guide holes one by one.
5. The clamping device for machining the multi-angle side hole of the shaft sleeve type workpiece according to any one of claims 1 to 4, wherein the rotary table adapter plate is fixedly connected with a rotary table of a numerical control machine tool, and a plurality of positioning pins are arranged on the rotary table adapter plate; the workpiece is provided with a plurality of axial holes matched with the positioning pins.
6. The clamping device for machining the multi-angle side hole of the shaft sleeve type workpiece according to claim 5, wherein a thrust cylinder is further mounted on the bottom plate and arranged in front of the workpiece, and the thrust cylinder can axially limit the workpiece when the workpiece rotates.
7. The clamping device for machining the multi-angle side hole of the shaft sleeve type workpiece according to claim 6, wherein the thrust cylinder comprises a cylinder base body, a thrust piston, a thrust cylinder cover, a bearing seat, a thrust plate, a bearing group and a bearing gland, a thrust piston cavity and a push-pull guide cavity are respectively arranged on the cylinder base body, and the thrust piston cavity and the push-pull guide cavity are coaxially and oppositely arranged in front and at back and are communicated with each other; the thrust piston is arranged in the thrust piston cavity, the rod part of the thrust piston extends into the push-pull guide cavity, and the thrust piston cavity is sealed by the thrust cylinder cover from the front end; the bearing seat is arranged in the push-pull guide cavity, is fixedly connected with the rod part of the thrust piston and can move back and forth in the push-pull guide cavity under the driving of the thrust piston; the thrust plate is supported in the bearing block through a bearing group, the bearing group is axially limited in the bearing block through a bearing gland, and the bearing gland is fixedly connected with the bearing block.
8. The clamping device for machining the multi-angle side hole of the shaft sleeve type workpiece according to claim 7, wherein the on-off of the pressing cylinder and the thrust cylinder is automatically controlled by a control system of a numerical control machine.
9. The clamping device for machining the multi-angle side hole of the shaft sleeve type workpiece according to claim 8, wherein the first V-shaped support and the second V-shaped support are respectively provided with an air vent which is communicated with the V-shaped surface, the air vent is connected with an air blowing device of a numerical control machine tool, and the air blowing device of the numerical control machine tool is used for automatically controlling the air blowing and the air blowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222302293.1U CN217832830U (en) | 2022-08-31 | 2022-08-31 | Clamping device for machining multi-angle side holes of shaft sleeve type workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222302293.1U CN217832830U (en) | 2022-08-31 | 2022-08-31 | Clamping device for machining multi-angle side holes of shaft sleeve type workpiece |
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| CN217832830U true CN217832830U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222302293.1U Active CN217832830U (en) | 2022-08-31 | 2022-08-31 | Clamping device for machining multi-angle side holes of shaft sleeve type workpiece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511564A (en) * | 2023-06-26 | 2023-08-01 | 山东高原油气装备有限公司 | Machine tool with cleaning function for machining oilfield steel pipes |
-
2022
- 2022-08-31 CN CN202222302293.1U patent/CN217832830U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511564A (en) * | 2023-06-26 | 2023-08-01 | 山东高原油气装备有限公司 | Machine tool with cleaning function for machining oilfield steel pipes |
| CN116511564B (en) * | 2023-06-26 | 2023-08-29 | 山东高原油气装备有限公司 | Machine tool with cleaning function for machining oilfield steel pipes |
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