CN214723551U

CN214723551U - Clamping device of cutting machine

Info

Publication number: CN214723551U
Application number: CN202023352596.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xianning Chuhai Technology Co ltd
Current assignee: Xianning Chuhai Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-16
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a clamping device of cutting machine belongs to mechanical cutting technical field. The cutting machine solves the technical problems of poor practicality, low cutting precision and the like. This cutting machine includes the frame, clamping device includes horizontal connecting plate, vertical two digging arms that set up in connecting plate one side respectively and the centre gripping pincers of setting at the digging arm lower extreme, logical groove has been opened respectively at the connecting plate both ends, digging arm one side has extension portion, the tip of extension portion passes logical groove and is located connecting plate opposite side and tip and has set firmly the dog, it has connecting rod two all to articulate on connecting rod one and two dogs to be equipped with between two dogs, two connecting rod two pass through connecting rod one and link to each other, connecting rod one middle part articulates on the connecting plate, driving motor has set firmly in the frame, driving motor output shaft and connecting rod one middle part looks rigid coupling, be equipped with the fixed subassembly of location centre gripping pincers on the digging arm. The utility model discloses can change the centre gripping pincers of adaptation according to the shape of cutting object, make the practicality and the cutting precision of cutting machine obtain improving.

Description

Clamping device of cutting machine

Technical Field

The utility model belongs to the technical field of mechanical cutting, a clamping device of cutting machine is related to.

Background

The common mode of cutting the object is manual cutting, manual cutting is nimble convenient, but manual cutting quality is poor, size error is big, the material is extravagant big, follow-up processing work load is big, working condition is abominable simultaneously, low in production efficiency, therefore the cutting machine has appeared, manual labor has been reduced, cutting efficiency has been improved, but do not have clamping device on a lot of cutting machines, the precision of cutting like this can not be ensured, a small number of cutting machines that have clamping device also basically have only a centre gripping pincers, the application scope of cutting machine like this is narrower, it is impracticable very to the enterprise such cutting machine.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a clamping device of cutting machine, the utility model aims to solve the technical problem that: how to improve the practicality of cutting machine and the precision of cutting.

The purpose of the utility model can be realized by the following technical proposal:

a clamping device of a cutting machine comprises a frame; it is characterized in that the clamping device comprises a connecting plate fixedly arranged on the frame, movable arms respectively vertically arranged at one side of the connecting plate close to the two ends, and clamping pincers oppositely arranged at the lower ends of the two movable arms, two ends of the connecting plate are respectively provided with an inward extending through groove, one side of the movable arm is provided with an extending part near the upper end, the end part of the extension part penetrates through the through groove and is positioned at the other side of the connecting plate, the end part of the extension part is fixedly provided with a stop block, a first connecting rod is arranged between the two stop blocks, the two stop blocks are both hinged with a second connecting rod, the two second connecting rods are connected through the first connecting rod, the middle part of the first connecting rod is hinged on the connecting plate, a driving motor is fixedly arranged on the frame, the end part of an output shaft of the driving motor is fixedly connected with the middle part of the first connecting rod, and the movable arm is provided with a fixing component for positioning the clamping pincers.

The working principle is as follows: the output shaft rotation of driving motor among this technical scheme enables connecting rod one and rotates thereupon, distance between the middle part of the one end that connecting rod two and dog meet and connecting rod one shortens gradually this moment, two digging arms are followed logical groove and are removed to the middle part of connecting plate by the both ends of connecting plate, the centre gripping pincers armful clamp that makes to be located two digging arm lower extremes is on waiting to cut the object, centre gripping pincers and digging arm lower extreme link to each other through fixed subassembly, can install suitable centre gripping pincers on the digging arm according to waiting to cut the shape of object, the centre gripping of this cutting machine inlays just can accurate centre gripping object that needs the cutting like this, the practicality of cutting machine has not only been improved, also the precision that makes the cutting has also obtained the improvement.

In the clamping device of the cutting machine, the clamping pincers comprise a connecting part and a clamping part arranged on the inner side of the connecting part, the lower end of the movable arm is provided with a mounting groove for the connecting part to be embedded, the fixing component comprises a first positioning rod, a first spring, a second positioning rod and a second spring, the first spring, the second spring and the second spring are sleeved on the first positioning rod, the bottom of the mounting groove is provided with a first mounting hole, the wall of the mounting groove is provided with a second mounting hole, the upper end of the first positioning rod and the first spring are positioned in the first mounting hole, one end of the first spring is fixed on the wall of the first mounting hole, the other end of the first spring is fixed on the first positioning rod, the lower end of the first positioning rod is positioned in the mounting groove, one end of the second positioning rod and the second spring are positioned in the second mounting hole, one end of the second spring is fixed on the second positioning rod, and the other end of the second spring is fixed on the wall of the second mounting hole, the other end of the second positioning rod is located in the mounting groove, the end of the second positioning rod abuts against the side face of the first positioning rod, an open groove and a clamping groove are formed in one side of the connecting portion, the open groove and the clamping groove are used for allowing the second positioning rod to be embedded into the end, connected with the first positioning rod, of the second positioning rod, and the clamping groove is transversely formed in the groove wall of one side of the open groove. The first spring and the first positioning rod are arranged, so that the second positioning rod is connected with the clamping pincers conveniently, and the second spring can support the connecting part tightly when one end of the second positioning rod is located in the clamping groove, so that the connecting part is more firmly connected with the movable arm.

In the clamping device of the cutting machine, the connecting portion is arranged in a cylindrical shape, the outer side of the clamping portion is fixedly connected with the lower end of the inner side of the connecting portion, and the inner sides of the two clamping portions are arranged at intervals relatively. The clamping pliers are conveniently fixed on the movable arm by the aid of the connecting portion, the inner side of the clamping portion can be a side face which is suitable for various objects needing to be cut, and cutting accuracy of the cutting machine is guaranteed.

In the clamping device of the cutting machine, the connecting plate is transversely arranged, a strip-shaped sliding block is arranged on one side of the connecting plate along the length direction of the connecting plate, and a sliding groove for the strip-shaped sliding block to be embedded is formed in one side of the movable arm with the extending portion. The strip-shaped sliding block and the sliding groove play a supporting role, and the movable arm can move along the length direction of the connecting plate all the time.

In the clamping device of the cutting machine, the sliding groove is a T-shaped groove, and the upper side and the lower side of the bar-shaped sliding block are both provided with the protruding parts extending outwards. The spout sets up to the T-slot, and both sides all are equipped with the bulge about the bar slider, and the digging arm is more stable than the motion of digging arm when leading to the inslot removal.

Compared with the prior art, the utility model provides a clamping device has set up the detachable centre gripping pincers, just so can change the centre gripping pincers that adapt to with it according to the shape of cutting object to the practicality of cutting machine and the precision of cutting have been improved.

Drawings

Fig. 1 is a schematic perspective view of a clamping device of the cutting machine.

Fig. 2 is a schematic perspective view of the clamping device of the cutting machine.

Fig. 3 is a three-dimensional structure schematic diagram of the clamping device of the cutting machine.

Fig. 4 is a schematic structural view of a movable arm in the clamping device of the cutting machine.

Fig. 5 is a schematic structural view of a holding clamp in the holding device of the cutting machine.

In the figure, 1, a frame; 2. a connecting plate; 21. a through groove; 22. a bar-shaped slider; 22a, a projection; 3. a movable arm; 31. an extension part; 32. a stopper; 33. mounting grooves; 34. a first mounting hole; 35. a second mounting hole; 36. a chute; 4. a holding clamp; 41. a connecting portion; 41a, an open slot; 41b, a card slot; 42. a clamping portion; 5. a first connecting rod; 6. a second connecting rod; 7. a drive motor; 8. a fixing assembly; 81. a first positioning rod; 82. a first spring; 83. a second positioning rod; 84. and a second spring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, the cutting machine in this embodiment includes a frame 1, a clamping device includes a connecting plate 2 disposed horizontally, two movable arms 3 disposed vertically at intervals, a pair of clamping jaws 4 disposed at the lower end of the movable arms 3, and a fixing assembly 8 capable of positioning the clamping jaws 4 on the movable arms 3, the upper side of the connecting plate 2 is fixed on the frame 1, one side of the connecting plate 2 is provided with a strip-shaped slider 22 along the length direction thereof and both ends thereof are provided with through grooves 21 extending inwards, the two movable arms 3 are disposed at intervals on one side of the connecting plate 2 having the strip-shaped slider 22, and the positions of the movable arms 3 facing the strip-shaped slider 22 are both provided with horizontal sliding grooves 36, the strip-shaped slider 22 is embedded in the sliding grooves 36, the sliding grooves 36 are T-shaped grooves, so that the upper and lower sides of the strip-shaped slider 22 are both provided with protrusions 22a, the protrusions 22a are disposed in the sliding grooves 36, the positions of one side of the movable arms 3 having the sliding grooves 36 near the upper ends are provided with extending portions 31 extending outwards, the extending parts 31 of the two movable arms 3 penetrate through the corresponding through grooves 21, the end parts of the extending parts 31 are positioned on the other side of the connecting plate 2 and fixedly provided with the stop blocks 32, a first connecting rod 5 is arranged between the two stop blocks 32, the two stop blocks 32 are hinged with a second connecting rod 6, two ends of the first connecting rod 5 are respectively hinged with the two second connecting rods 6, the middle part of the first connecting rod 5 is hinged on the connecting plate 2, the rack 1 is fixedly provided with a driving motor 7, the output shaft of the driving motor 7 is vertical to the first connecting rod 5, and the end parts of the output shaft are fixedly connected with the middle part of the first connecting rod 5; driving motor 7 can drive connecting rod 5 and rotate to make the contained angle between two 6 and the 2 length direction of connecting plate grow gradually, connecting rod 5 middle part to the relative distance between two 6 and the dog 32 one end that link to each other shortens gradually, two digging arms 3 move to the middle part of connecting plate 2 along the length direction of connecting plate 2 in leading to groove 21, thereby the centre gripping treats the object of cutting, driving motor 7 reversal can make digging arm 3 reset.

Further, as shown in fig. 1 to 5, the lower end of the movable arm 3 is provided with a mounting groove 33, the clamping pliers 4 comprises a connecting portion 41 in a cylindrical shape and a clamping portion 42 fixedly arranged at the inner lower end of the connecting portion 41, the outer side surface of the clamping portion 42 is connected with the connecting portion 41, the inner side surface of the clamping portion 42 is a clamping surface suitable for the object to be cut, a first mounting hole 34 is formed at the bottom of the mounting groove 33, a second mounting hole 35 is formed on the groove wall of the mounting groove 33, the fixing assembly 8 comprises a first positioning rod 81 penetrating through the first mounting hole 34, a first spring 82 sleeved on the first positioning rod 81, a second positioning rod 83 penetrating through the second mounting hole 35, and a second spring 84 sleeved on the second positioning rod 83, the first spring 82 is located in the first mounting hole 34, one end of the first spring 82 is fixed on the hole wall of the first mounting hole 34, the other end of the first spring 82 is fixed on the first positioning rod 81 at a position in the first mounting hole 34, the second spring 84 is located in the second mounting hole 35, one end of the second spring 84 is fixed on the hole wall of the second mounting hole 35, the other end of the second spring 84 is fixed on the second positioning rod 83 at the position in the second mounting hole 35, the lower end of the first positioning rod 81 and one end of the second positioning rod 83 are located in the mounting groove 33, one end of the second positioning rod 83 located in the mounting groove 33 abuts against the outer peripheral surface of the first positioning rod 81, the connecting portion 41 of the clamping pliers 4 can abut against the lower end of the first positioning rod 81 when being embedded in the mounting groove 33 and enables the first positioning rod 81 to extend upwards along the length direction of the connecting rod, an open groove 41a for embedding one end of the second positioning rod 83 is formed in the upper side of the periphery of the connecting portion 41, a clamping groove 41b transversely arranged is formed in the groove wall of the open groove 41a, one end of the second positioning rod 83 is moved into the open groove 41a from the side surface of the first positioning rod 81, and one end of the second positioning rod 83 can be clamped into the clamping groove 41b by rotating the clamping pliers 4.

Due to the arrangement of the fixing assembly 8, the adaptive clamping pliers 4 can be changed according to the shape of an object to be cut, so that the cutting machine can accurately cut objects with different shapes.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A clamping device of a cutting machine comprises a frame (1); the clamping device is characterized by comprising a connecting plate (2) fixedly arranged on a rack (1), movable arms (3) vertically arranged at one side of the connecting plate (2) and close to two end positions respectively, and clamping pincers (4) oppositely arranged at the lower ends of the two movable arms (3), wherein through grooves (21) extending inwards are formed in two ends of the connecting plate (2) respectively, an extending part (31) is arranged at one side of each movable arm (3) and close to the upper end, the end part of the extending part (31) penetrates through the through grooves (21) and is positioned at the other side of the connecting plate (2), a stop block (32) is fixedly arranged at the end part of each through groove, a first connecting rod (5) is arranged between the two stop blocks (32), a second connecting rod (6) is hinged to each of the two stop blocks (32), the two second connecting rods (6) are connected through the first connecting rods (5), and the middle part of the first connecting rod (5) is hinged to the connecting plate (2), the clamping device is characterized in that a driving motor (7) is fixedly arranged on the rack (1), the end part of an output shaft of the driving motor (7) is fixedly connected with the middle part of the first connecting rod (5), and a fixing component (8) for positioning the clamping pincers (4) is arranged on the movable arm (3).

2. The clamping device of the cutting machine according to claim 1, characterized in that the clamping pincers (4) comprise a connecting portion (41) and a clamping portion (42) arranged inside the connecting portion (41), the lower end of the movable arm (3) is provided with a mounting groove (33) for the connecting portion (41) to be embedded, the fixing component (8) comprises a first positioning rod (81), a first spring (82) sleeved on the first positioning rod (81), a second positioning rod (83) and a second spring (84) sleeved on the second positioning rod (83), a first mounting hole (34) is formed in the bottom of the mounting groove (33), a second mounting hole (35) is formed in the wall of the mounting groove (33), the upper end of the first positioning rod (81) and the first spring (82) are located in the first mounting hole (34), one end of the first spring (82) is fixed on the wall of the first mounting hole (34) and the other end of the first spring (82) is fixed on the first positioning rod (81), the lower extreme of locating lever one (81) is located in mounting groove (33), the one end of locating lever two (83) with spring two (84) is located in mounting hole two (35), the one end of spring two (84) is fixed on locating lever two (83) and the other end is fixed on the pore wall of mounting hole two (35), the other end of locating lever two (83) is located in mounting groove (33) and the tip with the side of locating lever one (81) offsets and leans on, open connecting portion (41) one side has the confession locating lever two (83) with open slot (41a) and draw-in groove (41b) that the one end that locating lever one (81) meets inlays and establishes, draw-in groove (41b) transversely sets up on the cell wall of one side of open slot (41 a).

3. The clamping device of the cutting machine according to claim 2, characterized in that the connecting portion (41) is arranged in a cylindrical shape, the outer side of the clamping portion (42) is fixedly connected with the inner lower end of the connecting portion (41), and the inner sides of the two clamping portions (42) are arranged at an interval.

4. The clamping device of the cutting machine according to the claim 1, 2 or 3, characterized in that the connecting plate (2) is arranged transversely and one side of the connecting plate (2) is provided with a strip-shaped sliding block (22) along the length direction thereof, and one side of the movable arm (3) with the extending part (31) is provided with a sliding groove (36) for the strip-shaped sliding block (22) to be embedded.

5. The clamping device of the cutting machine according to claim 4, characterized in that the slide groove (36) is a T-shaped groove, and the bar-shaped slider (22) has outwardly extending protrusions (22a) on both upper and lower sides thereof.