Automatic change machining frock clamp
Technical Field
The utility model relates to a frock clamp technical field specifically is an automatic change machining frock clamp.
Background
The clamp is a technological device used for quickly fastening a workpiece during processing so as to keep a machine tool, a cutter and the workpiece at correct relative positions. That is to say, Workholding frock clamp is the indispensable part of machining, and under the drive that the lathe technology is to high speed, high efficiency, precision, compound, intelligence, environmental protection direction development, anchor clamps technology is developing towards high accuracy, high efficiency, module, combination, general, economic direction. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.
In the prior art, when a tubular workpiece is machined (such as gear machining), only workpieces with specific specifications and sizes can be clamped and fixed, generally, a cylindrical shaft is sleeved on the inner wall of the workpiece, then two ends of the cylindrical shaft are clamped by a clamp to be positioned and fixed, and the specification and the size of the workpiece are limited while the process is complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic change machining frock clamp to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic change machining frock clamp, includes the operation panel, operation panel top sliding connection has the slider, the slider is provided with two, fixed mounting has axle center fixture mechanism between the slider, axle center fixture mechanism includes the base, the base bottom runs through in the operation panel top, the base spiro union has the threaded rod, base top fixedly connected with spud pile, the spud pile is provided with a plurality ofly, spud pile swing joint has the bracing piece, threaded rod top fixed mounting has the bearing, bearing outer wall swing joint has the regulation pole, adjust pole one end swing joint in bracing piece.
Preferably, the bottom of the table top of the operating table is fixedly provided with a motor, and an output shaft of the motor is fixedly provided with a worm.
Preferably, a worm wheel is fixedly mounted at the bottom of the threaded rod, and the worm wheel is meshed with the worm wheel.
Preferably, the slider bottom is rotated and is connected with the axis of rotation, the axis of rotation both ends are run through respectively in the slider openly and the back, axis of rotation outer wall fixed mounting has the gear, the rotation spanner is all installed at the axis of rotation both ends.
Preferably, a rack is fixedly mounted at the top of the operating platform and meshed with the gear.
Preferably, one end of the supporting rod is movably connected with a supporting block.
Compared with the prior art, the beneficial effects of the utility model are that:
this automatic change machining frock clamp can adjust the setting of bracing piece expansion angle through axle center fixture mechanism, can fix the tubular workpiece of different specification and dimension, and is also more accurate to the fixed position of work piece, simple structure, and the suitability is comparatively extensive.
Drawings
Fig. 1 is an isometric view of the present invention;
fig. 2 is a right side view of the present invention;
FIG. 3 is a schematic view of the internal structure of the slider of the present invention;
fig. 4 is a schematic structural view of the axial center fixture mechanism of the present invention.
In the figure: 1. an operation table; 2. a slider; 3. a rack; 4. an axis clamping mechanism; 5. rotating the wrench; 6. a gear; 7. a motor; 8. a worm; 9. a worm gear; 10. a rotating shaft; 401. a threaded rod; 402. a base; 403. fixing the pile; 404. a bearing; 405. adjusting a rod; 406. a support bar; 407. and (7) a supporting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.
As shown in fig. 1-4, the utility model provides a technical solution: an automatic machining tool clamp comprises an operating table 1, a sliding block 2 is connected to the top of the operating table 1 in a sliding mode, two sliding blocks 2 are arranged, the sliding blocks 2 can clamp the outer surface of a workpiece to fix the workpiece, a pitted surface is arranged on the inner side of the sliding block 2, in order to increase friction force when the workpiece is clamped, a rotating shaft 10 is rotatably connected to the bottom of the sliding block 2, two ends of the rotating shaft 10 penetrate through the front surface and the back surface of the sliding block 2 respectively, a gear 6 is fixedly installed on the outer wall of the rotating shaft 10, the gear 6 is made of cast steel and is good in durability and slightly lower in strength than forged steel, rotating wrenches 5 are installed at two ends of the rotating shaft 10, a rack 3 is fixedly installed at the top of the operating table 1, the rack 3 is meshed with the gear 6, the gear 6 is driven to roll on the rack 3 through the rotating wrenches 5, the sliding block 2 is enabled to move, an axis clamping mechanism 4 is fixedly installed between the sliding blocks 2, the axis clamping mechanism 4 comprises a base 402, the bottom of the base 402 penetrates through the top of the operating platform 1, a threaded rod 401 is screwed on the base 402, threads of the threaded rod 401 are arranged in the middle, the upper end and the lower end of the threaded rod are cylindrical rods, a fixing pile 403 is fixedly connected to the top of the base 402, a plurality of fixing piles 403 are arranged, a support rod 406 is movably connected to the fixing pile 403, a bearing 404 is fixedly arranged at the top of the threaded rod 401, the bearing 404 is a rolling bearing and comprises an inner ring and an outer ring, the inner ring rotates along with the rotation of the threaded rod 401, the outer wall of the bearing 404 is movably connected with an adjusting rod 405, one end of the adjusting rod 405 is movably connected to the support rod 406, one end of the support rod 406 is movably connected with a support block 407, a motor 7 is fixedly arranged at the bottom of the table top of the operating platform 1, a worm 8 is fixedly arranged on an output shaft of the motor 7, a worm wheel 9 is fixedly arranged at the bottom of the threaded rod 401, the worm 8 is meshed with the worm wheel 9, and the worm wheel is in transmission mode, the worm transmission is composed of a worm and a worm wheel, the general worm is a driving part, and the worm transmission has the characteristics of large transmission ratio, compact structure, stable transmission, no noise, self-locking property and the like.
Firstly, a tubular workpiece is sleeved on the outer side of an axis clamping device mechanism 4, a motor 7 is started, a worm 9 drives a worm wheel 9 to rotate, a threaded rod 401 starts to ascend through rotation, an adjusting rod 405 pushes a supporting rod 406 to open outwards, when a supporting block 407 squeezes the inner wall of the workpiece, the motor 7 is turned off, a wrench 5 is rotated to enable a sliding block 2 to clamp the outer wall of the workpiece, and at the moment, the workpiece is in a central position, so that the workpiece can be further processed conveniently.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.