CN216029530U - Milling tool for large box type workpiece - Google Patents
Milling tool for large box type workpiece Download PDFInfo
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- CN216029530U CN216029530U CN202122316918.5U CN202122316918U CN216029530U CN 216029530 U CN216029530 U CN 216029530U CN 202122316918 U CN202122316918 U CN 202122316918U CN 216029530 U CN216029530 U CN 216029530U
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- bottom plate
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- box type
- milling tool
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Abstract
The utility model discloses a milling tool for large box type workpieces, which comprises a pneumatic clamping device and a supporting positioning seat, wherein the pneumatic clamping device comprises an installation seat, the installation seat is connected with a supporting frame, the left side of the top of the supporting frame is hinged with a crank arm, the right side of the top of the supporting frame is hinged with a rocker, the crank arm is hinged with the free end of the rocker at the position of a knee point and is provided with a connecting rod, the hinged position of the connecting rod and the rocker is provided with a hinged shaft, the free end of the crank arm is connected with a compression screw, and the compression screw is installed obliquely downwards; an air cylinder is arranged in the support frame, the bottom of the air cylinder is hinged with the bottom of the support frame, a push-pull rod is fixedly arranged on a telescopic rod at the upper part of the air cylinder, and the top end of the push-pull rod is hinged with a rocker through a hinged shaft; the supporting and positioning seat comprises an upper bottom plate and a lower bottom plate, a supporting plate is fixedly arranged between the upper bottom plate and the lower bottom plate, and a positioning pin is arranged on the upper bottom plate; the box body processing tool has urgent research value and good industrial application potential.
Description
Technical Field
The utility model belongs to the technical field of tool fixtures, and particularly relates to a milling tool for a large box-type workpiece.
Background
As manufacturing techniques continue to advance, some machines are becoming larger, and as a result, parts become larger, for example, large boxes, which need to be fixed to a tool holder before being machined. The box body has a large structure, so that the conventional tool clamp is inconvenient to fixedly install, a plurality of persons are required to cooperate when clamping is carried out, the labor intensity of workers is high, the working efficiency cannot be improved, and the labor cost is increased; therefore, the novel box body processing tool has urgent research value, good economic benefit and good industrial application potential.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a milling tool for large box type workpieces, which adopts the technical scheme that the milling tool comprises:
a milling tool for large box type workpieces comprises a pneumatic clamping device, wherein the pneumatic clamping device comprises a base and a mounting seat fastened on the base, a supporting frame is connected onto the mounting seat, a crank arm is hinged to the left side of the top of the supporting frame, a rocker is hinged to the right side of the top of the supporting frame, the crank arm is hinged to the free end of the rocker at a turning point, a connecting rod is hinged to the connecting rod at the hinging point, a hinging shaft is arranged at the hinging point of the connecting rod and the rocker, the free end of the crank arm is connected with a compression screw rod, and the compression screw rod is installed obliquely downwards; the air cylinder is arranged in the support frame, the bottom of the air cylinder is hinged to the bottom of the support frame, a push-pull rod is fixedly arranged on a telescopic rod on the upper portion of the air cylinder, and the top end of the push-pull rod is hinged to the rocker through a hinged shaft.
The milling tool for the large box type workpiece further comprises a supporting and positioning seat, the supporting and positioning seat comprises an upper base plate, a lower base plate and a supporting plate fixedly mounted between the upper base plate and the lower base plate, and a positioning pin is mounted on the upper base plate.
Preferably, the upper base plate is provided with positioning pins with different diameters at different positions.
Preferably, the mounting seat is fastened with the support frame through a support column which is transversely penetrated, and mounting holes are formed in the corresponding positions of the mounting seat and the support frame in a matched mode.
Preferably, the mounting seat is provided with a pair of mounting holes along a vertical direction on opposite side walls.
Preferably, the crank arm is L-shaped, and the compression screw rod is in adjustable connection with the free end of the crank arm through threads.
Preferably, the push-pull rod is provided with a U-shaped groove, one end of the U-shaped groove, which is located at the opening of the U-shaped groove, is hinged to the hinge shaft, and the hinged portion of the rocker and the hinge shaft is located inside the U-shaped groove of the push-pull rod.
Preferably, the supporting and positioning seat and the pneumatic clamping device can be respectively provided in plurality.
The utility model has the following beneficial effects:
1. the supporting base and the pneumatic clamping device are completely independent, convenient to maintain and simple in structure, are matched for use, can ensure machining precision, reduce the displacement phenomenon of the box body, are convenient and flexible to adjust, greatly improve the working efficiency and have strong applicability;
2. the pneumatic clamping device ingeniously adopts the matching motion of the air cylinder and the four-bar linkage mechanism to clamp large box type workpieces, the operation is simple and convenient, the clamping of the workpieces by manual disassembly and assembly is avoided, the labor intensity of workers is greatly reduced, and the safety is improved;
3. the reasonable increase and decrease of the number of the supporting bases and the pneumatic clamping devices can adapt to the positioning and clamping of large-scale workpieces of different specifications, and the application range of the processing tool is expanded.
Drawings
FIG. 1 is a schematic view of a milling tool for a large box-like workpiece;
FIG. 2 is a front view of the pneumatic clamping device;
FIG. 3 is a right side view of the pneumatic clamping device;
FIG. 4 is a structural view of the supporting and positioning seat;
fig. 5 is a structural view of embodiment 2.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Embodiment mode 1:
as shown in fig. 1, the milling tool for the large box-type workpiece comprises a pneumatic clamping device 1, as shown in fig. 2, the pneumatic clamping device comprises a mounting seat 102, a supporting frame 103 is fixedly connected to the mounting seat 102, a crank arm 105 is hinged to the left side of the top of the supporting frame 103, a rocker 108 is hinged to the right side of the top of the supporting frame 103, a connecting rod 106 is connected to the free end of the rocker 108 at the inflection point of the crank arm 105, the connecting rod 106 is hinged to the crank arm 105, a hinge shaft 107 is hinged to the connecting rod 106 and the rocker 108, the free end of the crank arm 105 is connected with a compression screw 104, and the compression screw 104 is installed obliquely downwards; an air cylinder 111 is arranged in the support frame 103, the bottom of the air cylinder 111 is hinged with the bottom of the support frame 103, a push-pull rod 109 is fixedly arranged on a telescopic rod 110 at the upper part of the air cylinder 111 along the axial direction, and a hinged shaft 107 is hinged at the top end of the push-pull rod 109.
As shown in fig. 1, the milling tool for large box type workpieces further comprises a supporting and positioning seat 2, as shown in fig. 4, the supporting and positioning seat 2 comprises an upper bottom plate 204 and a lower bottom plate 203, a supporting plate is fixedly installed between the upper bottom plate and the lower bottom plate, and a positioning pin 205 is installed on the upper bottom plate 204.
In order to enable the supporting and positioning seat 2 to meet the matching of positioning holes on different large box type workpieces and expand the applicability range, positioning pins 205 with different diameters are arranged at different positions on an upper base plate 204 of the supporting and positioning seat 2.
In order to meet the positioning and clamping requirements of large box type workpieces of different specifications, a plurality of supporting and positioning seats 2 and pneumatic clamping devices 1 can be arranged according to requirements.
Preferably, the mounting seat 102 and the supporting frame 103 are fastened by a supporting column which is transversely penetrated, and mounting holes 113 are arranged at corresponding positions on the mounting seat 102 and the supporting frame 103.
Preferably, the crank arm 105 is L-shaped, and the hold-down screw 104 is in threaded adjustable connection with the free end of the crank arm 105.
As shown in fig. 3, preferably, the push-pull rod 109 is provided with a U-shaped groove, which is hinged to the hinge shaft 107 at one end of the opening of the U-shaped groove, and the hinge portion of the rocker 108 and the hinge shaft 107 is located inside the U-shaped groove of the push-pull rod 109.
The working process of the utility model is as follows: determining the number of the supporting and positioning seats 2 and the number of the pneumatic compression devices 1 according to the specification and the size of the large box type workpiece, and selecting proper positioning matching holes and proper positioning pins 205 on an upper bottom plate 204 of the supporting and positioning seat 2; the method comprises the following steps of fixing a supporting and positioning seat 2 on a platform according to position requirements, placing a large box workpiece on the supporting and positioning seat 2, positioning the supporting and positioning seat 2 by a positioning pin 205 matched with a positioning hole on the large box workpiece, fixing a pneumatic clamping device 1 on the platform according to the position requirements after the large box workpiece is positioned, starting a contraction switch, driving a push-pull rod 109 to move downwards by the telescopic rod 110 when the telescopic rod 110 on an air cylinder 111 starts to contract, driving a rocker 108 to rotate anticlockwise by the push-pull rod 109, simultaneously pushing a crank arm 105 to rotate anticlockwise by a connecting rod 106, clamping a large box workpiece by a clamping screw 104 on the crank arm 105 to move downwards in an inclined manner, finishing positioning and clamping the workpiece, and starting milling; after the machining is finished, the stretching switch on the cylinder 111 is started, the telescopic rod 110 on the cylinder 111 begins to stretch upwards, the telescopic rod 110 drives the push-pull rod 109 to move upwards, the push-pull rod 109 drives the rocker 108 to rotate clockwise, meanwhile, the connecting rod 106 pushes the connecting lever 105 to rotate clockwise, the clamping screw 104 on the connecting lever 105 moves upwards in an inclined mode to release a box workpiece, the positioning pin 24 is loosened at the moment, the workpiece can be taken out, and the next process is carried out conveniently and quickly.
Embodiment mode 2:
in order to meet the clamping requirements of different sizes and specifications of large box type workpieces, the pneumatic pressing device 1 is adjustable in height, and is different from the specific embodiment 1 in that: as shown in fig. 5, the mounting base 102 is provided with a pair of mounting holes 113 along the vertical direction on opposite side walls, so that the mounting positions of the supporting columns 114 can be adjusted up and down according to the difference of the height and the size of the large box-like workpiece, thereby ensuring the clamping effect.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The milling tool for the large box type workpieces is characterized by comprising a pneumatic clamping device, wherein the pneumatic clamping device comprises an installation seat, a support frame is connected onto the installation seat, a crank arm is hinged to the left side of the top of the support frame, a rocker is hinged to the right side of the top of the support frame, the crank arm is connected with a connecting rod at a free end of the rocker at a position of a turning point, the connecting rod is hinged to the crank arm, a hinged shaft is hinged to the connecting rod and the rocker, the free end of the crank arm is connected with a compression screw, and the compression screw is installed obliquely downwards; the air cylinder is arranged in the support frame, the bottom of the air cylinder is hinged to the bottom of the support frame, a push-pull rod is fixedly arranged on a telescopic rod on the upper portion of the air cylinder along the axial direction, and a hinged shaft is hinged to the top end of the push-pull rod.
2. The milling tool for the large box type workpiece according to claim 1, further comprising a supporting and positioning seat, wherein the supporting and positioning seat comprises an upper bottom plate and a lower bottom plate, a supporting plate is fixedly arranged between the upper bottom plate and the lower bottom plate, and a positioning pin is arranged on the upper bottom plate.
3. The milling tool for the large box type workpieces according to claim 2, wherein positioning pins with different diameters are arranged at different positions on the upper bottom plate.
4. The milling tool for the large box type workpieces according to claim 1, wherein the mounting seat is fastened with the support frame through a support column transversely penetrating through the mounting seat, and mounting holes are formed in corresponding positions of the mounting seat and the support frame.
5. The milling tool for the large box type workpieces according to claim 1 or 4, wherein the installation seat is provided with a pair of installation holes along a vertical direction on opposite side walls.
6. The milling tool for the large box type workpiece according to claim 1, wherein the crank arm is L-shaped, and the compression screw rod is in adjustable connection with the free end of the crank arm through threads.
7. The milling tool for the large box type workpieces according to claim 1, wherein the push-pull rod is provided with a U-shaped groove, one end of the U-shaped groove, which is located at the opening of the U-shaped groove, is hinged to the hinge shaft, and the hinged portion of the rocker and the hinge shaft is located inside the U-shaped groove of the push-pull rod.
8. The milling tool for the large box type workpiece according to claim 2, wherein a plurality of supporting and positioning seats and a plurality of pneumatic clamping devices are respectively arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316918.5U CN216029530U (en) | 2021-09-24 | 2021-09-24 | Milling tool for large box type workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316918.5U CN216029530U (en) | 2021-09-24 | 2021-09-24 | Milling tool for large box type workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216029530U true CN216029530U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122316918.5U Active CN216029530U (en) | 2021-09-24 | 2021-09-24 | Milling tool for large box type workpiece |
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| Country | Link |
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| CN (1) | CN216029530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319534A (en) * | 2022-09-20 | 2022-11-11 | 田家欣 | Stepping type drilling machine tool for machining |
-
2021
- 2021-09-24 CN CN202122316918.5U patent/CN216029530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319534A (en) * | 2022-09-20 | 2022-11-11 | 田家欣 | Stepping type drilling machine tool for machining |
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