CN216638383U - Clamping shaft over-joint device - Google Patents

Abstract

The utility model provides a clamping shaft joint passing device which comprises a rack, a first clamping shaft assembly, a second clamping shaft assembly, a moving driving mechanism, a blocking piece, an eccentric wheel and a rotating driving mechanism, wherein the first clamping shaft assembly is fixed on the rack; the second clamping shaft assembly is movably arranged on the rack; the moving driving mechanism is arranged on the rack and connected with the second clamping shaft assembly, and the moving driving mechanism is used for driving the second clamping shaft assembly to move; the blocking piece is arranged on the rack; the eccentric wheel is eccentrically pivoted on the second clamping shaft component through an eccentric rotating shaft; the rotation driving mechanism is connected with the eccentric wheel, and the eccentric wheel is driven to eccentrically rotate by the rotation driving mechanism, so that the eccentric wheel abuts against the blocking piece and generates a reaction force to eject the second clamping shaft assembly relative to the first clamping shaft assembly. The utility model can ensure that the clearance adjustment between the second clamping shaft assembly and the first clamping shaft assembly is not influenced by the field working condition, and can realize stable joint passing.

Description

Clamping shaft over-joint device

Technical Field

The utility model relates to the technical field of impregnation equipment, in particular to a shaft clamping and joint passing device.

Background

In the field of base material impregnation, in order to ensure the production continuity, base materials unreeled from front to back need to be lapped together to realize continuous impregnation. Taking prepreg production in the copper-clad plate industry as an example, two pieces of front and back glass fiber cloth need to be lapped together before a base material (such as glass fiber cloth) is soaked, and a joint can be formed by overlapping at the lapping position, so that a clamping shaft and a joint passing device are usually arranged when the soaking machine passes the joint, and the loss of the base material or glue caused by the fact that too much glue is taken away by the joint is avoided. What traditional double-layered axle crossed the piecing devices and adopted is the ejecting mode of pressing from both sides the axle of compression spring, promptly when crossing the joint, contain to soak the machine and detect the joint signal, discerned the joint after, the clamp axle cylinder that opens and shuts at first bleeds, then the compression spring between the clamp axle mount pad orders about the kicking block through elastic restoring force and pushes away the certain clearance of clamp axle top to let the joint pass through. However, this method has the following problems in the actual use: firstly, due to the problem of field working conditions, the mobility of a spring and a jacking block is poor due to easy glue accumulation, and even the spring is blocked and cannot achieve the jacking effect; secondly, the dynamics of spring is difficult to push the clamp shaft open when not enough, and the dynamics will cause the clamp shaft too big clearance of being pushed out when too big.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shaft clamping and joint passing device which is not influenced by field working conditions and can stably pass a joint.

In order to achieve the purpose, the utility model provides a clamping shaft joint passing device which comprises a rack, a first clamping shaft assembly, a second clamping shaft assembly, a moving driving mechanism, a blocking piece, an eccentric wheel and a rotating driving mechanism, wherein the first clamping shaft assembly is fixed on the rack; the second clamping shaft assembly is movably arranged on the rack, and the second clamping shaft assembly and the first clamping shaft assembly are arranged oppositely; the movement driving mechanism is arranged on the rack, connected with the second clamping shaft assembly and used for driving the second clamping shaft assembly to move; the blocking piece is arranged on the rack; the eccentric wheel is eccentrically pivoted on the second clamping shaft assembly through an eccentric rotating shaft; the rotation driving mechanism is connected with the eccentric wheel, and the rotation driving mechanism drives the eccentric wheel to eccentrically rotate, so that the eccentric wheel abuts against the blocking piece and generates a reaction force to eject the second clamping shaft assembly relative to the first clamping shaft assembly.

Preferably, the first clamping shaft assembly includes a first clamping shaft frame body and a first clamping shaft body, the first clamping shaft frame body is fixed on the frame, and the first clamping shaft body is pivoted to the first clamping shaft frame body.

Preferably, the second shaft clamping assembly includes a second shaft clamping frame body and a second shaft clamping body, the second shaft clamping frame body is movably disposed on the frame, and the second shaft clamping body is pivotally connected to the second shaft clamping frame body.

Preferably, the rotation driving mechanism includes an ejection cylinder and a connecting arm, one end of the ejection cylinder is pivoted to the second clamping shaft assembly, the other end of the ejection cylinder is pivoted to one end of the connecting arm, the other end of the connecting arm is fixedly connected to the eccentric rotating shaft, and the connecting arm is driven by the ejection cylinder in a telescopic manner to drive the eccentric rotating shaft to rotate, so as to drive the eccentric wheel to rotate eccentrically.

Preferably, the blocking member is adjustably positioned on the frame.

Preferably, the shaft clamping and joint passing device further comprises a locking piece, an adjusting long groove is formed in the blocking piece, a mounting piece is arranged on the rack, a mounting hole is formed in the mounting piece, and the locking piece penetrates through the adjusting long groove and the mounting hole by adjusting the alignment position of the adjusting long groove and the mounting hole so as to lock the relative position of the blocking piece and the mounting piece.

Preferably, the moving driving mechanism is an opening and closing cylinder.

Preferably, a quick exhaust valve is arranged in an air path of the opening and closing air cylinder.

Preferably, the shaft clamping and joint passing device further comprises a joint detection device, the joint detection device is electrically connected with the movable driving mechanism and the rotary driving mechanism respectively, after the joint is detected by the joint detection device, an air passage automatically driven by the movable driving mechanism is deflated rapidly to reduce the driving force on the second shaft clamping assembly, and the rotary driving mechanism automatically jacks the second shaft clamping assembly relative to the first shaft clamping assembly.

Compared with the prior art, when the joint needs to be passed, the clamping shaft joint passing device drives the eccentric wheel to eccentrically rotate by using the rotation driving mechanism, so that the eccentric wheel abuts against the blocking piece and generates a reaction force, the second clamping shaft assembly is jacked open relative to the first clamping shaft assembly, and the gap between the second clamping shaft assembly and the first clamping shaft assembly is further increased; when the over-joint is not needed, the clamping shaft over-joint device drives the second clamping shaft assembly to move close to the first clamping shaft assembly through the movement driving mechanism, so that the gap between the second clamping shaft assembly and the first clamping shaft assembly is reduced. Therefore, the clamping shaft joint passing device disclosed by the utility model adopts a mechanical structure to eject the second clamping shaft assembly, so that the gap adjustment between the second clamping shaft assembly and the first clamping shaft assembly is not influenced by the field working condition, and the gap value is controllable, thereby realizing stable joint passing.

Drawings

FIG. 1 is a front view of a clip axle over-joint assembly of the present invention.

Fig. 2 is an enlarged view at a in fig. 1.

FIG. 3 is a top view of the present invention clamp shaft over-joint assembly.

Fig. 4 is an enlarged view at B in fig. 3.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 and 2, the clamping shaft joint passing device 100 of the present invention includes a frame 1, a first clamping shaft assembly 2, a second clamping shaft assembly 3, a moving driving mechanism 4, a blocking member 5, an eccentric wheel 6 and a rotating driving mechanism 7, wherein the first clamping shaft assembly 2 is fixed on the frame 1; the second clamping shaft assembly 3 is movably arranged on the rack 1, and the second clamping shaft assembly 3 and the first clamping shaft assembly 2 are oppositely arranged; the moving driving mechanism 4 is arranged on the rack 1, the moving driving mechanism 4 is connected with the second clamping shaft assembly 3, and the moving driving mechanism 4 is used for driving the second clamping shaft assembly 3 to move; the blocking piece 5 is arranged on the frame 1; the eccentric wheel 6 is eccentrically pivoted on the second clamping shaft component 3 through an eccentric rotating shaft 61; the rotation driving mechanism 7 is connected to the eccentric wheel 6, and the eccentric wheel 6 is driven to eccentrically rotate by the rotation driving mechanism 7, so that the eccentric wheel 6 abuts against the blocking member 5 and generates a reaction force to eject the second clamping shaft assembly 3 relative to the first clamping shaft assembly 2. Specifically, as shown in fig. 2, a point P in the drawing represents the center of the eccentric wheel 6, and a point Q in the drawing represents the deflection center of the eccentric wheel 6, so that the eccentric wheel 6 can abut against the blocking member 5 when rotating by eccentrically pivoting the eccentric wheel 6 on the second clamping shaft assembly 3, so that the blocking member 5 can generate a reaction force on the eccentric wheel 6, thereby ejecting the second clamping shaft assembly 3 relative to the first clamping shaft assembly 2.

Referring to fig. 1 and fig. 3, in the present embodiment, the first clamping shaft assembly 2 includes a first clamping shaft frame body 21 and a first clamping shaft body 22, the first clamping shaft frame body 21 is fixed on the frame 1, and the first clamping shaft body 22 is pivoted on the first clamping shaft frame body 21. Specifically, there are two first clamping shaft frame bodies 21, two first clamping shaft frame bodies 21 are disposed on the frame 1 at intervals, and the first clamping shaft body 22 is pivotally connected between the two first clamping shaft frame bodies 21, but the number of the first clamping shaft frame bodies 21 is not limited thereto.

Referring to fig. 1 and fig. 3, in the present embodiment, the second clamping shaft assembly 3 includes a second clamping shaft frame body 31 and a second clamping shaft body 32, the second clamping shaft frame body 31 is movably disposed on the frame 1, and the second clamping shaft body 32 is pivotally connected to the second clamping shaft frame body 31. Specifically, there are two second shaft clamping frame bodies 31, two second shaft clamping frame bodies 31 are disposed on the frame 1 at intervals, and the second shaft clamping body 32 is pivotally connected between the two second shaft clamping frame bodies 31, but the number of the second shaft clamping frame bodies 31 is not limited thereto.

Referring to fig. 1 and 2, the rotation driving mechanism 7 includes an ejecting cylinder 71 and a connecting arm 72, one end of the ejecting cylinder 71 is pivotally connected to the second clamping shaft assembly 3, the other end of the ejecting cylinder 71 is pivotally connected to one end of the connecting arm 72, the other end of the connecting arm 72 is fixedly connected to the eccentric rotating shaft 61, the ejecting cylinder 71 is used to telescopically drive the connecting arm 72 to drive the eccentric rotating shaft 61 to rotate, so as to drive the eccentric wheel 6 to eccentrically rotate, and the eccentric wheel 6 abuts against the blocking member 5 and generates a reaction force to eject the second clamping shaft assembly 3 relative to the first clamping shaft assembly 2. However, the structure of the rotation driving mechanism 7 is not limited to this, for example, in other embodiments, the rotation driving mechanism 7 may adopt an oil cylinder instead of the ejection cylinder 71.

Referring to fig. 3 and 4, the blocking member 5 is adjustably disposed on the frame 1. Specifically, the shaft clamping and joint passing device 100 of the present invention further includes a locking member 8, the blocking member 5 is provided with an adjusting long groove 51, the rack 1 is provided with a mounting member 11, the mounting member 11 is provided with a mounting hole 111, and the locking member 8 penetrates through the adjusting long groove 51 and the mounting hole 111 by adjusting the alignment position of the adjusting long groove 51 and the mounting hole 111, so as to lock and block the relative position with the mounting member 11. The locking piece 8 and the mounting hole 111 can be matched in a threaded mode, the blocking piece 5 is unlocked by loosening and screwing the locking piece 8, the alignment position of the long groove 51 and the mounting hole 111 is adjusted, and the locking piece 8 is used for locking, so that the position adjustment of the blocking piece 5 is completed. However, the position of the blocking member 5 is not limited to this, for example, a pin can be used to engage with different sockets to adjust the position between the blocking member 5 and the mounting member 11 or between the blocking member 5 and the rack 1.

Referring to fig. 1 and 3, in the present embodiment, the moving driving mechanism 4 is an opening and closing cylinder. Specifically, when the connector is connected, the second clamping shaft assembly 3 is pushed open relative to the first clamping shaft assembly 2, in the process, the air passage of the opening and closing cylinder is deflated, and the second clamping shaft assembly 3 moves to push the opening and closing cylinder to contract. Further, a quick exhaust valve (not shown) is arranged in the air passage of the opening and closing cylinder, and the quick exhaust valve is used for quickly exhausting the air passage of the opening and closing cylinder. The specific structure and principle of the quick exhaust valve are prior art, and therefore are not described herein.

In this embodiment, the shaft clamping and joint passing device 100 further includes a joint detection device (not shown), the joint detection device is electrically connected to the moving driving mechanism 4 and the rotating driving mechanism 7, after the joint detected by the joint detection device is connected, the air path of the moving driving mechanism 4 is rapidly deflated to reduce the driving force to the second shaft clamping component 3, and the rotating driving mechanism 7 automatically pushes the second shaft clamping component 3 open relative to the first shaft clamping component 2. Specifically, the joint detection device may be disposed on the frame 1 at a position before the joint enters the gap between the first clamping shaft assembly 2 and the second clamping shaft assembly 3, and after the joint is detected by the joint detection device, a signal may be fed back to the moving driving mechanism 4 and the rotating driving mechanism 7, so that the rotating driving mechanism 7 drives the eccentric wheel 6 to rotate eccentrically, the air passage of the moving driving mechanism 4 is deflated, and the eccentric wheel 6 abuts against the blocking member 5 and generates a reaction force to jack the second clamping shaft assembly 3 open relative to the first clamping shaft assembly 2.

With reference to fig. 1 to 4, the specific working principle of the present invention is as follows:

when the joint detection device detects that the joint is connected, the ejection cylinder 71 of the driving mechanism 7 is rotated to telescopically drive the connecting arm 72 to drive the eccentric rotating shaft 61 to rotate, so as to drive the eccentric wheel 6 to eccentrically rotate, so that the eccentric wheel 6 abuts against the blocking piece 5 and generates a reaction force, and the air path of the driving mechanism 4 is moved to quickly deflate, so that the second clamping shaft assembly 3 is ejected relative to the first clamping shaft assembly 2, and then the gap between the second clamping shaft assembly 3 and the first clamping shaft assembly 2 is increased. When the joint passes through the gap between the second clamping shaft assembly 3 and the first clamping shaft assembly 2 and the joint detection device cannot detect the joint, the moving driving mechanism 4 drives the second clamping shaft assembly 3 to move close to the first clamping shaft assembly 2, so that the gap between the second clamping shaft assembly 3 and the first clamping shaft assembly 2 is reduced, and the rotating driving mechanism 7 drives the eccentric wheel 6 to rotate eccentrically, so that the eccentric wheel 6 does not abut against the blocking piece 5 any more.

In summary, the clamping shaft joint passing device 100 of the present invention employs a mechanical structure to eject the second clamping shaft assembly 3, so as to ensure that the gap adjustment between the second clamping shaft assembly 3 and the first clamping shaft assembly 2 is not affected by the field working condition, and the gap value is controllable, thereby achieving stable joint passing.

The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the utility model, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the utility model.

Claims (9)

1. A clamp shaft over-joint apparatus, comprising:

a frame;

the first clamping shaft assembly is fixed on the rack;

the second clamping shaft assembly is movably arranged on the rack and is arranged opposite to the first clamping shaft assembly;

the movement driving mechanism is arranged on the rack and connected with the second clamping shaft assembly, and the movement driving mechanism is used for driving the second clamping shaft assembly to move;

the blocking piece is arranged on the rack;

the eccentric wheel is eccentrically pivoted on the second clamping shaft assembly through an eccentric rotating shaft;

the rotation driving mechanism is connected with the eccentric wheel, and the rotation driving mechanism drives the eccentric wheel to eccentrically rotate so that the eccentric wheel abuts against the blocking piece and generates a reaction force to eject the second clamping shaft assembly relative to the first clamping shaft assembly.

2. The apparatus according to claim 1, wherein the first clamping shaft assembly comprises a first clamping shaft frame body and a first clamping shaft body, the first clamping shaft frame body is fixed on the frame, and the first clamping shaft body is pivotally connected to the first clamping shaft frame body.

3. The apparatus of claim 1, wherein the second clamping shaft assembly comprises a second clamping shaft frame body movably disposed on the frame and a second clamping shaft body pivotally connected to the second clamping shaft frame body.

4. The clamping shaft connecting device according to claim 1, wherein the rotation driving mechanism comprises an ejection cylinder and a connecting arm, one end of the ejection cylinder is pivotally connected to the second clamping shaft assembly, the other end of the ejection cylinder is pivotally connected to one end of the connecting arm, the other end of the connecting arm is fixedly connected to the eccentric rotating shaft, and the ejection cylinder telescopically drives the connecting arm to drive the eccentric rotating shaft to rotate, so as to drive the eccentric wheel to eccentrically rotate.

5. A clip axle coupling device according to claim 1, wherein the blocking member is adjustably positioned on the frame.

6. The clamp shaft passing joint device according to claim 5, further comprising a locking member, wherein the blocking member is provided with an adjusting elongated slot, the frame is provided with a mounting member, the mounting member is provided with a mounting hole, and the locking member is inserted into the adjusting elongated slot and the mounting hole by adjusting the alignment position of the adjusting elongated slot and the mounting hole, so as to lock the relative position of the blocking member and the mounting member.

7. A jaw shaft coupling device according to claim 1, wherein said movement actuating mechanism is an opening and closing cylinder.

8. A clamp shaft coupling device according to claim 7, wherein a quick exhaust valve is provided in the gas path of the opening and closing cylinder.

9. The shaft clamping and joint passing device according to claim 1, further comprising a joint detection device, wherein the joint detection device is electrically connected with the moving driving mechanism and the rotating driving mechanism respectively, after the joint detection device detects the joint, an air passage of the moving driving mechanism is deflated rapidly to reduce driving force to the second shaft clamping assembly, and the rotating driving mechanism automatically jacks the second shaft clamping assembly relative to the first shaft clamping assembly.

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