CN217926835U

CN217926835U - Coupler with overload protection function for injection molding machine

Info

Publication number: CN217926835U
Application number: CN202221524533.6U
Authority: CN
Inventors: 权启婕
Original assignee: Suzhou Ningyou Electromechanical Technology Co ltd
Current assignee: Suzhou Ningyou Electromechanical Technology Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-11-29
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a shaft coupling for injection molding machine with overload protection function, including transshipping protective sheath, driving shaft adapter sleeve and driven shaft adapter sleeve, assemble by a plurality of screws through the flange board between driving shaft adapter sleeve and the driven shaft adapter sleeve, driving shaft adapter sleeve is equipped with the transshipping protective sheath with driven shaft adapter sleeve junction middle part, the port department avris of driving shaft adapter sleeve and driven shaft adapter sleeve all is equipped with the solid pot head of card, equal waist hole is sheathe in with the driven shaft adapter sleeve to lock fixedly through the locking lever to the junction of driving shaft and driven shaft. The utility model discloses a shaft coupling passes through the flange board by driving shaft adapter sleeve and driven shaft adapter sleeve and assembles, and the tip of driving shaft adapter sleeve and driven shaft adapter sleeve all is equipped with the solid tip of card, is equipped with the dogtooth in the inboard of the solid tip of card, makes it can slide the card with the tip of driving shaft and driven shaft and fixes, and convenient the dismantlement, and can carry out the anticreep spacing to the tip.

Description

Coupler with overload protection function for injection molding machine

Technical Field

The utility model relates to a shaft coupling correlation field specifically is a shaft coupling for injection molding machine with overload protection function.

Background

The coupling is used for coupling two shafts (a driving shaft and a driven shaft) in different mechanisms to rotate together so as to transmit mechanical parts of torque. In the high-speed heavy-load power transmission, some couplings also have the functions of buffering, damping and improving the dynamic performance of a shaft system. The coupling consists of two halves which are respectively connected with the driving shaft and the driven shaft. Generally, a power machine is connected with a working machine by means of a coupling.

The mounting means of the shaft coupling for the injection molding machine in present stage and two axles of required connection is comparatively single, adopts the card to solidify or the thread tightening mode assembles, can't adopt the multi-way cooperation, and this kind of mounting means is convenient inadequately to the dismantlement in later stage, and the shaft coupling after the equipment can't carry out overload protection, and anti-torque capacity is not enough, warp easily, because the metal has expend with heat and contract with cold ability, makes it can't carry out overload compensation protection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaft coupling for injection molding machine with overload protection function 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 a shaft coupling for injection molding machine with overload protection function, includes overload protection cover, driving shaft adapter sleeve and driven shaft adapter sleeve, assemble by a plurality of screws through the flange board between driving shaft adapter sleeve and the driven shaft adapter sleeve, driving shaft adapter sleeve and driven shaft adapter sleeve junction middle part are equipped with overload protection cover, the port department avris of driving shaft adapter sleeve and driven shaft adapter sleeve all is equipped with solid pot head of card, equal waist hole is sheathe in driving shaft adapter sleeve and the driven shaft adapter sleeve for it is fixed to lock the junction of driving shaft and driven shaft through the locking lever.

In a further embodiment, an installation inner ring is welded on the inner side of the flange plate, and six pin holes are formed in the installation inner ring.

In a further embodiment, six bolts are arranged on the lateral sides of the two ends of the overload protective sleeve, and the six bolts are correspondingly embedded and fixed with the six pin holes.

In a further embodiment, the inner side of the clamping end sleeve is provided with a plurality of convex teeth of an integrated structure, and the convex teeth are used for being embedded and clamped with the outer diameters of the end parts of the driving shaft and the driven shaft, so that the driving shaft, the driven shaft and the coupler are firmly connected.

In a further embodiment, an embedding installation groove is reserved between the clamping end sleeve and the driven shaft connecting sleeve, and the inner diameter of the installation groove is larger than that of the driven shaft connecting sleeve.

In a further embodiment, a corrugated pipe structure is arranged in the middle of the overload protection sleeve and used for carrying out overload compensation on the coupler, damage to a coupler body is reduced, and the driving shaft and the driven shaft are connected more stably and safely.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a shaft coupling passes through the flange board equipment by driving shaft adapter sleeve and driven shaft adapter sleeve, and the tip of driving shaft adapter sleeve and driven shaft adapter sleeve all is equipped with the solid tip of card, inboard at the solid tip of card is equipped with the dogtooth, it is solid to make it slide the card with the tip of driving shaft and driven shaft, convenient dismantlement, and can carry out the anticreep spacing to the tip, all be equipped with the waist hole on driving shaft adapter sleeve and driven shaft adapter sleeve, be equipped with the locking lever on the waist hole, can carry out locking fixation to the installation of driving shaft and driven shaft through the locking lever, it is double fixed, it is comparatively firm to make the fixing.

2. The utility model discloses a be equipped with detachable overload protective sheath in the middle of driving shaft adapter sleeve and the driven shaft adapter sleeve, make it carry out overload compensation protection to the coupling, can avoid causing overload damage, increase its compressive capacity to the coupling body.

Drawings

Fig. 1 is a schematic structural diagram of a coupling for an injection molding machine with an overload protection function according to the present invention;

fig. 2 is a front view of the driven shaft connecting sleeve of the utility model;

fig. 3 is a front view of the flange plate of the present invention;

fig. 4 is a top view of the driven shaft connecting sleeve of the present invention;

fig. 5 is a schematic structural view of the overload protective sleeve of the present invention.

In the figure: 1. clamping and fixing the end sleeve; 2. a waist hole; 3. a lock lever; 4. a screw; 5. a flange plate; 6. an overload protection sleeve; 7. a driving shaft connecting sleeve; 8. a driven shaft connecting sleeve; 9. a convex tooth; 10. installing an inner ring; 11. and (4) a bolt.

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.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a shaft coupling for injection molding machine with overload protection function, including overload protection cover 6, driving shaft adapter sleeve 7 and driven shaft adapter sleeve 8, assemble by a plurality of screws 4 through flange 5 between driving shaft adapter sleeve 7 and the driven shaft adapter sleeve 8, driving shaft adapter sleeve 7 is equipped with overload protection cover 6 with driven shaft adapter sleeve 8 junction middle part, driving shaft adapter sleeve 7 all is equipped with card solid end cover 1 with driven shaft adapter sleeve 8's port department avris, equal waist hole 2 on driving shaft adapter sleeve 7 and the driven shaft adapter sleeve 8, be used for locking fixedly through locking lever 3 to the junction of driving shaft and driven shaft.

Through flange plate 5 and a plurality of screw rod 4 be used for assembling driving shaft adapter sleeve 7 and driven shaft adapter sleeve 8, be used for carrying out overload compensation protection to driving shaft adapter sleeve 7 and driven shaft adapter sleeve 8 through overload protective sheath 6, be used for carrying out the solid installation of card to the tip of driving shaft and driven shaft through solid pot head 1 of card, be used for being equipped with locking lever 3 through waist hole 2, can lock fixedly with being connected of driving shaft and driven shaft through locking lever 3.

Further, an installation inner ring 10 is welded on the inner side of the flange plate 5, six pin holes are formed in the installation inner ring 10, and the installation inner ring 10 is convenient to assemble with the overload protection sleeve 6.

Furthermore, six bolts 11 are arranged on the lateral sides of two ends of the overload protection sleeve 6, and the six bolts 11 are correspondingly embedded and fixed with the six pin holes.

Furthermore, the inner side of the clamping end sleeve 1 is provided with a plurality of convex teeth 9 of an integrated structure, the convex teeth 9 are used for being embedded and clamped with the outer diameters of the end parts of the driving shaft and the driven shaft, so that the driving shaft and the driven shaft are firmly connected with the coupler, and the clamping end sleeve 1 is clamped with the driving shaft and the driven shaft through the convex teeth 9.

Furthermore, an installation groove for embedding is reserved between the clamping end sleeve 1 and the driven shaft connecting sleeve 8, the inner diameter of the installation groove is larger than that of the driven shaft connecting sleeve 8, and the installation of the driving shaft and the driven shaft is facilitated through the installation groove.

Further, the department placed in the middle of overload protective sheath 6 establishes to bellows structure for overload compensation to the shaft coupling, reduces the damage to the shaft coupling body, makes the driving shaft be connected with the driven shaft more stable and safe.

The working principle is as follows: when the overload protection sleeve is used, the inserting pins 11 at two ends of the overload protection sleeve 6 are arranged on the overload protection sleeve 6, the inserting pins 11 are embedded and fixed with pin holes in the inner side of the installation inner ring 10, the overload protection sleeve 6 is arranged between the driven shaft connecting sleeve 8 and the driving shaft connecting sleeve 7, the driving shaft connecting sleeve 7 and the driven shaft connecting sleeve 8 are respectively connected with the driving shaft and the driven shaft, the clamping end sleeve 1 is embedded and fixed with clamping grooves in the end portions of the driving shaft and the driven shaft through the convex teeth 9 in the inner side of the clamping end sleeve, the locking rod 3 penetrates through the waist hole 2 to be locked and fixed with the driving shaft and the driven shaft, when the driving shaft rotates, the driving shaft connecting sleeve 7 can drive the driven shaft connecting sleeve 8 to rotate, the driven shaft connecting sleeve 8 drives the driven shaft to rotate, overload compensation treatment can be performed on the driving shaft connecting sleeve 7 and the driven shaft connecting sleeve 8 which receive overlarge torsion force through the overload protection sleeve 6, and the service life of the overload protection sleeve is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a shaft coupling for injection molding machine with overload protection function, includes overload protective sheath (6), driving shaft adapter sleeve (7) and driven shaft adapter sleeve (8), its characterized in that: the utility model discloses a lock, including driving shaft adapter sleeve (7), driven shaft adapter sleeve (8), driving shaft adapter sleeve (7) and driven shaft adapter sleeve (8), through flange board (5) between by a plurality of screw rods (4) equipment, driving shaft adapter sleeve (7) and driven shaft adapter sleeve (8) junction middle part are equipped with overload protective sheath (6), the port department avris of driving shaft adapter sleeve (7) and driven shaft adapter sleeve (8) all is equipped with card solid pot head (1), equal waist hole (2) on driving shaft adapter sleeve (7) and driven shaft adapter sleeve (8) for it is fixed to lock the junction of driving shaft and driven shaft through locking lever (3).

2. The coupling for injection molding machines according to claim 1, wherein: the inner side of the flange plate (5) is welded with an installation inner ring (10), and six pin holes are formed in the installation inner ring (10).

3. The coupling for injection molding machines according to claim 1, wherein: both ends avris of transshipping protective sheath (6) all is equipped with six bolt (11), six bolt (11) correspond with six pinholes and inlay fixedly.

4. The coupling for injection molding machines according to claim 1, wherein: the inner side of the clamping end sleeve (1) is provided with a plurality of convex teeth (9) of an integrated structure, and the convex teeth (9) are used for being embedded and clamped with the outer diameters of the end parts of the driving shaft and the driven shaft, so that the driving shaft, the driven shaft and the coupler are firmly connected.

5. The coupling for injection molding machines according to claim 1, wherein: an installation groove for embedding is reserved between the clamping end sleeve (1) and the driven shaft connecting sleeve (8), and the inner diameter of the installation groove is larger than that of the driven shaft connecting sleeve (8).

6. The coupling for injection molding machines according to claim 1, wherein: the central part of the overload protective sleeve (6) is arranged to be of a corrugated pipe structure and used for carrying out overload compensation on the coupler, the damage to the coupler body is reduced, and the driving shaft and the driven shaft are connected more stably and safely.