Cutting clamp
Technical Field
The utility model relates to the technical field of cutting machining, in particular to a cutting machining clamp.
Background
In machining, it is often necessary to cut a workpiece, and in order to ensure the stability of a tool during cutting, a worker usually uses a cutting fixture to fix the workpiece to be machined, and the existing cutting fixture usually comprises a base and a clamping mechanism.
For example, the utility model with the application number 202020107036.0 discloses a clamp for cutting processing, which specifically comprises a mounting frame, wherein two threaded holes are symmetrically arranged in two ends of the mounting frame, threaded rods are connected in the two threaded holes in a threaded manner, a rotating handle is fixedly connected to one end of the threaded rod, which is far away from the mounting frame, and an adapter ring is connected to one end of the threaded rod, which is far away from the rotating handle, in a rotating manner. The utility model uses the first clamping plate and the second clamping plate which are arranged in a bending way to clamp and fix the cut workpiece, not only can be suitable for clamping and fixing square workpieces, but also can be suitable for clamping and fixing round workpieces, has firm clamping effect, and when the convex rod is clamped in the groove, mutual limiting action can be formed between the first clamping plate and the second clamping plate, and the limiting effect of the first clamping plate and the second clamping plate is matched with the mounting frame, so that the stability of the first clamping plate and the second clamping plate when the workpiece is clamped and fixed is enhanced, and the workpiece is prevented from slipping from the clamp due to vibration in the cutting process.
However, in the conventional cutting fixture at present, after the workpiece is cut, a worker is usually required to take down the cut workpiece, replace and fix a new workpiece and then cut the workpiece, so that the worker is required to replace and fix the new workpiece frequently in the process of cutting a large number of workpieces, the operation is complicated, and the labor intensity of the worker is high.
Disclosure of utility model
In view of the above, the present utility model provides a cutting fixture, which has an auxiliary frame capable of automatically fixing a workpiece in a cutting completion process and automatically fixing the workpiece in a replacement process, after cutting is completed, a driving motor is started, the auxiliary frame holding the workpiece to be cut is rotated out of a machining area through a series of transmissions, the auxiliary frame holding the workpiece to be cut is rotated to the machining area, in the process of rotating the auxiliary frame holding the workpiece to be cut to the machining area, a clamping gear is meshed with a clamping rack, the clamping rack drives the clamping gear to rotate, a control screw is driven to rotate through rotation of the clamping gear, a connecting sleeve is driven to move upwards along with rotation of the control screw, a sliding sleeve is driven to slide inwards along the connecting frame under the action of the auxiliary connecting rod in the process of moving the connecting frame, a driving connecting rod is driven to slide along with sliding of the sliding sleeve, and the clamping frame is automatically closed along with sliding of the driving sliding block to fix the workpiece to be cut.
The utility model provides a cutting clamp, which specifically comprises a mounting base, wherein a rotating frame is rotatably connected to the upper portion of the mounting base, four auxiliary frames are fixedly connected to the outer portion of the rotating frame in an annular array mode, a control screw is centrally and rotatably connected to the lower portions of the four auxiliary frames, a fixing frame is fixedly connected to the lower portion of the mounting base, a mounting plate is fixedly connected to the lower portion of the mounting base, a driving motor is fixedly connected to the bottom end face of the mounting plate through bolts, a connecting sleeve is connected to the upper portions of the four control screws through threads, a connecting frame is fixedly connected to the top end faces of the four connecting sleeves, and the four connecting frames are respectively and slidably connected to the four auxiliary frames.
Optionally, a driving grooved wheel is fixedly connected to the bottom end surface of the rotating frame, a driving plate is fixedly connected to the upper part of the rotating shaft of the driving motor, and the driving plate is meshed with the driving grooved wheel.
Optionally, the lower parts of the four control screws are fixedly connected with a clamping gear, the four clamping gears are all connected in the fixing frame in a sliding mode, the left part of the fixing frame is fixedly connected with a clamping rack, the four clamping gears are aligned with the positions of the clamping racks, the front part of the fixing frame is fixedly connected with a blanking rack, and the four clamping gears are aligned with the positions of the blanking racks.
Optionally, a group of sliding sleeves are slidably connected to the outer parts of the four connecting frames, a group of auxiliary connecting rods are hinged to the inner sides of the four groups of sliding sleeves, and the tail ends of the four groups of auxiliary connecting rods are hinged to the inner sides of the four auxiliary frames respectively.
The four groups of sliding sleeves are hinged to the outer sides of the sliding sleeves, a group of driving sliding blocks are connected to the upper parts of the four auxiliary frames in a sliding mode, the tail ends of the four groups of driving sliding blocks are hinged to the outer sides of the four groups of driving sliding blocks respectively, and a group of clamping frames are fixedly connected to the tail ends of the four groups of driving sliding blocks.
The clamping frames are arranged on the inner sides of the clamping frames, a group of positioning clamping plates are arranged on the inner sides of the four groups of clamping frames, a group of clamping springs are fixedly connected to the outer sides of the four groups of positioning clamping plates, the tail ends of the four groups of clamping springs are respectively and fixedly connected to the inner sides of the four groups of clamping frames, a group of guiding sliding rods are fixedly connected to the outer sides of the four groups of positioning clamping plates, and the four groups of guiding sliding rods are respectively and slidably connected to the outer sides of the four groups of clamping frames.
Advantageous effects
In the using process, after cutting is finished, the driving motor is started, the auxiliary frame holding the workpiece to be cut is automatically rotated out of the machining area through a series of transmission, the auxiliary frame holding the workpiece to be cut is rotated into the machining area, continuous machining of the workpiece by workers is facilitated, and the cutting efficiency is effectively improved.
When the auxiliary frame for clamping the workpiece is rotated out of the machining area, the clamping gear at the bottom of the auxiliary frame is meshed with the blanking rack, and then the clamping frame is automatically opened through a series of transmission, so that the machined workpiece is conveniently taken out, the operation is simple and quick, and the convenience of the cutting machining clamp is effectively improved.
When the auxiliary frame for clamping the workpiece to be cut rotates to a machining area, the clamping gear at the bottom of the auxiliary frame is meshed with the clamping rack, then the clamping frame is automatically closed through a series of transmission, the workpiece temporarily clamped by the positioning clamping plate is automatically fixed, and the convenience of the cutting machining clamp is further improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.
In the drawings:
FIG. 1 is a schematic diagram of an axial structure of the present utility model.
Fig. 2 is a schematic cross-sectional view of the mounting base of the present utility model.
FIG. 3 is a schematic diagram of a sectional isometric configuration of the present utility model.
Fig. 4 is a schematic diagram of an axial structure of the auxiliary frame of the present utility model.
Fig. 5 is a schematic diagram of an axial structure of the fixing frame of the present utility model.
List of reference numerals
1. Mounting base, 101, rotating frame, 102, auxiliary frame, 103, control screw, 104, connecting sleeve, 105, connecting frame, 106, sliding sleeve, 107, auxiliary connecting rod, 108, driving slide block, 109, driving connecting rod, 110, clamping frame, 111, positioning clamping plate, 112, clamping spring, 113, guiding slide rod, 114, driving grooved wheel, 115, mounting plate, 116, driving motor, 117, driving plate, 118, fixing frame, 119, clamping gear, 120, blanking rack, 121 and clamping rack.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present utility model more clear, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.
Embodiment one:
Referring to fig. 1 to 5, a cutting jig includes a mounting base 1;
The upper part of the installation base 1 is rotationally connected with a rotating frame 101, the outer part of the rotating frame 101 is fixedly connected with four auxiliary frames 102 in an annular array shape, the lower parts of the four auxiliary frames 102 are centrally and rotationally connected with a control screw 103, the lower part of the installation base 1 is fixedly connected with a fixing frame 118, the lower part of the installation base 1 is internally and fixedly connected with an installation plate 115, the bottom end surface of the installation plate 115 is fixedly connected with a driving motor 116 through bolts, the upper parts of the four control screws 103 are respectively and fixedly connected with a connecting sleeve 104 through threads, the top end surfaces of the four connecting sleeves 104 are respectively and fixedly connected with a connecting frame 105, and the four connecting frames 105 are respectively and slidably connected in the four auxiliary frames 102.
The bottom end surface of the rotating frame 101 is fixedly connected with a driving grooved wheel 114, the upper part of the rotating shaft of the driving motor 116 is fixedly connected with a driving plate 117, and the driving plate 117 is meshed with the driving grooved wheel 114.
The lower parts of the four control screws 103 are fixedly connected with a clamping gear 119, the four clamping gears 119 are slidably connected in a fixed frame 118, the left part of the fixed frame 118 is fixedly connected with a clamping rack 121, the four clamping gears 119 are aligned with the positions of the clamping racks 121, the front part of the fixed frame 118 is fixedly connected with a blanking rack 120, and the four clamping gears 119 are aligned with the positions of the blanking racks 120.
The outer parts of the four connecting frames 105 are respectively connected with a group of sliding sleeves 106 in a sliding manner, the inner sides of the four groups of sliding sleeves 106 are respectively connected with a group of auxiliary connecting rods 107 in a hinged manner, and the tail ends of the four groups of auxiliary connecting rods 107 are respectively connected with the inner sides of the four auxiliary frames 102 in a hinged manner.
The outer sides of the four groups of sliding sleeves 106 are hinged with a group of driving connecting rods 109, the upper parts of the four auxiliary frames 102 are connected with a group of driving sliding blocks 108 in a sliding mode, the tail ends of the four groups of driving connecting rods 109 are hinged with the outer sides of the four groups of driving sliding blocks 108 respectively, and the tail ends of the four groups of driving sliding blocks 108 are fixedly connected with a group of clamping frames 110.
Specific use and action of the embodiment: after the cutting is completed, the operator can start the driving motor 116, the driving motor 116 drives the driving plate 117 to rotate, the driving grooved wheel 114 is driven to rotate in the rotating process of the driving plate 117, the rotating frame 101 is driven to rotate through the rotation of the driving grooved wheel 114, the auxiliary frame 102 holding the workpiece to be cut is rotated out of a machining area in the rotating process of the rotating frame 101, the auxiliary frame 102 holding the workpiece to be cut is rotated to the machining area, the clamping gear 119 is meshed with the clamping rack 121 in the rotating process of the auxiliary frame 102 holding the workpiece to be cut, the clamping rack 121 drives the clamping gear 119 to rotate, the control screw 103 is driven to rotate through the rotation of the clamping gear 119, the connecting sleeve 104 drives the connecting frame 105 to move upwards along with the rotation of the control screw 103, the clamping gear 119 at the bottom is meshed with the blanking rack 120 when the auxiliary frame 102 holding the workpiece to be cut out of the machining area, the blanking rack 120 drives the clamping gear 119 to rotate, the connecting sleeve 104 drives the connecting frame 105 to move downwards, the connecting rod 105 moves upwards along with the connecting rod 106 in the sliding process of automatically, and the connecting sleeve is driven to move downwards along with the connecting rod 106, and the connecting rod is automatically slides in the sliding direction of the connecting rod 106, and the connecting sleeve is automatically moved downwards along with the connecting rod 106 when the connecting rod is driven to move the connecting rod to move downwards, and the connecting rod is driven to slide along the connecting rod 106.
Embodiment two:
On the basis of the first embodiment, please refer to fig. 1 and 4, the device comprises positioning clamping plates 111, clamping springs 112 and guiding sliding rods 113, wherein a group of positioning clamping plates 111 are arranged on the inner sides of four groups of clamping frames 110, a group of clamping springs 112 are fixedly connected to the outer sides of the four groups of positioning clamping plates 111, the tail ends of the four groups of clamping springs 112 are respectively fixedly connected to the inner sides of the four groups of clamping frames 110, a group of guiding sliding rods 113 are fixedly connected to the outer sides of the four groups of positioning clamping plates 111, and the four groups of guiding sliding rods 113 are respectively and slidably connected to the outer sides of the four groups of clamping frames 110.
The specific use mode and the function of the embodiment are that when the workpiece is replaced, the workpiece is only required to be placed in the positioning clamping plate 111, the positioning clamping plate 111 can provide temporary positioning and clamping for the workpiece through the elastic potential energy of the clamping spring 112, the clamping frame 110 can compress the clamping spring 112 in the closing process of the clamping frame 110, the elastic force of the clamping spring 112 to the positioning clamping plate 111 is increased, the positioning clamping plate 111 firmly clamps and fixes the workpiece, and the positioning clamping plate 111 can be prevented from shifting in the use process through the arrangement of the guide sliding rod 113.