Positioning mechanism for winding machine

Abstract

The utility model provides a positioning mechanism for a winding machine, which comprises a driving shaft and a reel separably sleeved on the outer side of the driving shaft, a heat-shrinkable sleeve is wound on the reel, the driving shaft is of a hollow structure with two sealed ends, and a suction hole and an exhaust hole which are communicated with each other are arranged on the side portion of the driving shaft. The side part of the reel is provided with a through hole for sucking the end part of the heat-shrinkable sleeve into the suction hole, namely, the through hole is communicated with the suction hole, the side part of the driving shaft is rotationally provided with a sealing sleeve communicated with the exhaust hole, the outer side of the sealing sleeve is provided with an exhaust pipe communicated with the exhaust hole, and the driving shaft is connected with a driving motor. According to the positioning mechanism for the winding machine, the passing hole is formed in the winding shaft, and the suction hole and the exhaust hole are formed in the driving shaft, so that a heat-shrinkable sleeve is automatically sucked into the driving shaft when approaching the winding shaft, the heat-shrinkable sleeve is automatically fixed, the heat-shrinkable sleeve is convenient and rapid to position, and the efficiency of the winding machine is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat shrinkable sleeve processing equipment technical field, concretely relates to a positioning mechanism for winding machine. BACKGROUND

[0002] Heat shrinkable sleeve is a special polyolefin material heat shrinkable sleeve, outer layer adopts high -quality soft cross -linked polyolefin material, inner layer has low melting point hot melt adhesive. This sleeve has the advantages such as insulation anticorrosion, wear resistance, waterproof seal and high adhesion, can shrink when hot, is often used for the insulation protection of wire, cable and wire terminal, can also be used for the rust and corrosion prevention of metal. Heat shrinkable sleeve is thin -walled structure, winding machine is the mechanical equipment for winding heat shrinkable sleeve, first, the heat shrinkable sleeve after forming is flat and is wound to the winding shaft of winding machine, is wound into a disc, winding machine is stopped, heat shrinkable sleeve is cut off and is taken down from the reel, finally, the end of heat shrinkable sleeve is wound and fixed on the winding shaft to position, and the winding of next disc heat shrinkable sleeve is started.

[0003] Before winding heat shrinkable sleeve, the end of heat shrinkable sleeve needs to be held to wind and position heat shrinkable sleeve on the winding shaft, however, manually winding heat shrinkable sleeve is time -consuming and laborious, and the winding and positioning of heat shrinkable sleeve are not convenient, further leading to the low efficiency of winding machine, and the present scheme solves the technical problem. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides a positioning mechanism for winding machine, through setting through hole on winding shaft, setting suction hole and exhaust hole on drive shaft, when heat shrinkable sleeve approaches winding shaft, is inhaled into drive shaft by suction hole negative pressure, and the fixation of heat shrinkable sleeve is automatically completed, the positioning of heat shrinkable sleeve is convenient and fast, and the efficiency of winding machine is further improved.

[0005] To achieve the above object, the utility model takes the technical scheme as follows: a positioning mechanism for winding machine, including drive shaft, separable sleeve of winding shaft outside drive shaft, winding heat shrinkable sleeve on winding shaft, drive shaft is the hollow structure of both ends sealing, the side of drive shaft is provided with the suction hole and exhaust hole of intercommunication, the side of winding shaft is provided with the through hole for inhaled the end of heat shrinkable sleeve into suction hole, the side of drive shaft is rotatably provided with the sealing sleeve of communication with exhaust hole, the outside of sealing sleeve is provided with the air suction pipe of communication with exhaust hole, drive shaft is connected with drive motor.

[0006] The outside of drive shaft is provided with the stop ring for positioning winding shaft, one end of winding shaft is separable and abuts against stop ring, the inside of winding shaft is provided with annular groove, the outside of drive shaft is provided with annular platform corresponding with annular groove, and annular platform abuts against annular groove.

[0007] A sealing gasket one is arranged between the baffle and one end of the reel, and a sealing gasket two is arranged between the annular platform and the annular groove.

[0008] A key groove is arranged on the outside of one end of the driving shaft, a key strip corresponding to the key groove is arranged on the inside of the other end of the reel, an internal thread hole in communication with the key groove is arranged through the side of the reel, and a hand screw bolt is arranged in the internal thread hole.

[0009] A baffle one and a baffle two are arranged on the reel on both sides of the through hole, and the baffle one is detachably sleeved on one end of the reel close to the baffle.

[0010] An annular cavity in communication with the exhaust hole is arranged on the inside of the sealing sleeve, one end of the air suction pipe is in communication with the annular cavity, and an air suction pump is connected to the other end of the air suction pipe.

[0011] Two rotary sealing rings for sealing are arranged between the driving shaft and the sealing sleeve, and the two rotary sealing rings are arranged on both sides of the exhaust hole.

[0012] A plurality of protrusions are arranged on one end of the reel, a groove corresponding to the protrusions is arranged on the inside of the baffle one, and the baffle one is detachably embedded on the protrusions of the reel through the groove.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) The through hole is arranged on the reel, the suction hole and the exhaust hole are arranged on the driving shaft, when the heat shrink sleeve approaches the reel, the heat shrink sleeve is sucked into the driving shaft by the negative pressure of the suction hole, and the fixing of the heat shrink sleeve is automatically completed, so that the heat shrink sleeve is conveniently and quickly positioned, and the efficiency of the winding machine is further improved.

[0015] (2) The baffle is arranged on the outside of the driving shaft, the annular groove is arranged on the inside of the reel, the annular platform is arranged on the outside of the driving shaft, the sealing gasket one is arranged between the baffle and one end of the reel, and the sealing gasket two is arranged between the annular platform and the annular groove, so that the sealing effect of the driving shaft and the reel is better, the negative pressure of the suction hole is larger, and the positioning effect of the suction hole on the heat shrink sleeve is improved.

[0016] (3) The key groove is arranged on the driving shaft, the key strip is arranged on the reel, the key strip penetrates the hand screw bolt, the installation and dismounting of the reel are completed through the cooperation of the key groove and the key strip, the reel is fixed through the hand screw bolt, and the reel is conveniently and quickly installed.

[0017] (4) the reel is provided with the baffle one and the baffle two, and the baffle one plays a limiting role on the heat shrink sleeve, the baffle one is detachably installed on the reel through the cooperation of the groove and the protrusion, and the two sides of the baffle one are limited by the reel and the sealing gasket one, so that the baffle one is more convenient to install and dismount, and the combination of the baffle one and the reel is more reliable. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the overall structure schematic diagram of the utility model;

[0019] Figure 2 is the structure exploded schematic diagram of the utility model;

[0020] Figure 3 is the connecting structure schematic diagram of the reel and the baffle one of the utility model;

[0021] Figure 4 is the structure schematic diagram of the suction hole and the through hole of the utility model;

[0022] Figure 5 is the structure schematic diagram of the sealing sleeve of the utility model.

[0023] In the drawing, 1, drive shaft; 11, suction hole; 12, exhaust hole; 13, baffle; 14, annular table; 15, sealing gasket one; 16, sealing gasket two; 17, key groove; 2, reel; 21, through hole; 22, annular groove; 23, key; 24, internal thread hole; 25, baffle one; 251, groove; 26, baffle two; 27, protrusion; 3, sealing sleeve; 31, suction pipe; 32, annular cavity; 33, rotary sealing ring; 4, drive motor; 5, hand screw bolt; 6, heat shrink sleeve. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the technical features of the scheme, the following through specific implementation, the scheme is described.

[0025] Referring to Figures 1-4 A positioning mechanism for winding machine, including drive shaft 1, the reel of separable sleeve is set on the outer side of drive shaft 1, the reel 2 is wound with heat shrink sleeve 6, drive shaft 1 is the hollow structure of two ends sealing, the side of drive shaft 1 is provided with the suction hole 11 and exhaust hole 12 that communicate with each other, the side of reel 2 is provided with the through hole 21 for the end of heat shrink sleeve 6 is inhaled into suction hole 11, that is, the through hole 21 is communicated with suction hole 11, the size of heat shrink sleeve 6 is less than the size of suction hole 11, the side of drive shaft 1 is rotatably provided with sealing sleeve 3 that is communicated with exhaust hole 12, the outer side of sealing sleeve 3 is provided with suction pipe 31 that is communicated with exhaust hole 12, drive shaft 1 is connected with drive motor 4.

[0026] The driving motor 4 is fixedly arranged on the support frame of the winding machine, and the driving shaft 1 is rotatably arranged on the support frame of the winding machine.

[0027] Further, the outer side of the driving shaft 1 is provided with a check ring 13 for positioning the winding shaft 2, one end of the winding shaft 2 is detachably abutted with the check ring 13, the inner side of the winding shaft 2 is provided with an annular groove 22, and the outer side of the driving shaft 1 is provided with an annular table 14 corresponding to the annular groove 22, and the annular table 14 is abutted with the annular groove 22.

[0028] Further, the check ring 13 and one end of the winding shaft 2 are provided with a sealing gasket 15, and the annular table 14 and the annular groove 22 are provided with a sealing gasket 16, and the sealing gasket 15 and the sealing gasket 16 play a sealing role of the winding shaft 2 and the driving shaft 1.

[0029] One end of the outer side of the driving shaft 1 is provided with a key groove 17, the other end of the inner side of the winding shaft 2 is provided with a key strip 23 corresponding to the key groove 17, the side of the winding shaft 2 is provided with an internal thread hole 24 in communication with the key groove 17, and the internal thread hole 24 is provided with a hand screw bolt 5, and the winding shaft 2 is fixedly installed on the driving shaft 1 by rotating the hand screw bolt 5.

[0030] It can be understood that the winding shaft 2 is provided with a baffle one 25 and a baffle two 26 on both sides of the through hole 21, the baffle one 25 is detachably sleeved on one end of the winding shaft 2 close to the check ring 13, and the baffle two 26 is fixedly installed on the winding shaft 2, and the baffle one 25 and the baffle two 26 play a role of limiting the heat shrinkable sleeve 6.

[0031] The inner side of the sealing sleeve 3 is provided with an annular cavity 32 in communication with the exhaust hole 12, one end of the exhaust pipe 31 is in communication with the annular cavity 32, and the other end of the exhaust pipe 31 is connected with an exhaust pump.

[0032] Further, two rotary sealing rings 33 for sealing are arranged between the driving shaft 1 and the sealing sleeve 3, the two rotary sealing rings 33 are arranged on both sides of the exhaust hole 12, and the rotary sealing ring 33 is realized by using the prior art, which will not be described in detail here.

[0033] One end of the winding shaft 2 is provided with a stop table, a plurality of protrusions 27 are arranged on the stop table, the inner side of the baffle one 25 is provided with a groove 251 corresponding to the protrusions 27, and the baffle one 25 is detachably embedded on the protrusions 27 of the winding shaft 2 through the groove 251.

[0034] The specific working process of the utility model:

[0035] First, the baffle 25 is installed on the protrusion 27 of the reel 2 through the groove 251, and then the reel 2 is sleeved on the drive shaft 1 through the cooperation of the key groove 17 and the key bar 23, so that the end of the reel 2 is pressed against the sealing gasket 15 on the retainer 13. At this time, the annular groove 22 in the reel 2 is also in close contact with the sealing gasket 16 on the annular table 14 of the drive shaft 1, and at this time the suction hole 11 on the drive shaft 1 also communicates with the through hole 21 on the reel. The hand screw bolt 5 in the internally threaded hole 24 is screwed, so that the hand screw bolt 5 presses the key groove 17 to fix the drive shaft 1 and the reel 2, thereby completing the installation of the positioning mechanism.

[0036] Start the drive motor 4, the drive motor 4 drives the drive shaft 1 to rotate, the drive shaft 1 drives the reel 2 to rotate, start the air pump, the air pump draws air to the exhaust hole 12 through the air pipe 31, the gas enters in turn through the through hole 21 and the suction hole 11, and finally is discharged to the air pump through the exhaust hole 12. The end of the heat shrink sleeve 6 is overlapped on the reel 2, when the reel 2 rotates, the end of the heat shrink sleeve 6 is sucked into the suction hole 11 under the action of negative pressure, and then the heat shrink sleeve 6 is wound on the reel 2. At this time, the air pump can be stopped, after winding is completed, the drive motor 4 is stopped, the heat shrink sleeve 6 is cut off, then the hand screw bolt 5 is loosened, and the reel 2 is taken off together with the baffle 25 and the baffle 26. Since the heat shrink sleeve 6 is a flexible thin-walled structure, and the size of the heat shrink sleeve 6 is smaller than the size of the suction hole 11, the end of the heat shrink sleeve 6 can be smoothly taken off from the suction hole 11 of the drive shaft 1. Finally, the baffle 25 is removed, and the entire wound heat shrink sleeve 6 is taken off from the reel 2, the disassembly of the heat shrink sleeve 6 is completed, and finally the reel 2 is installed on the drive shaft 1.

[0037] By providing the through hole 21 on the reel 2, the suction hole 11 and the exhaust hole 12 on the drive shaft 1, when the heat shrink sleeve 6 approaches the reel 2, it is sucked into the drive shaft 1 by the negative pressure of the suction hole 11, and the fixation of the heat shrink sleeve 6 is automatically completed without the need for manually installing the heat shrink sleeve 6 on the reel 2. The positioning of the heat shrink sleeve 6 is convenient and fast, and the efficiency of the winding machine is further improved.

[0038] By providing the retainer 13 on the outside of the drive shaft 1, the annular groove 22 on the inside of the reel 2, and the annular table 14 on the outside of the drive shaft 1, and by providing the sealing gasket 15 between the retainer 13 and one end of the reel 2, and the sealing gasket 16 between the annular table 14 and the annular groove 22, the sealing effect of the drive shaft 1 and the reel 2 is better, the negative pressure of the suction hole 11 is larger, and the positioning effect of the suction hole 11 on the heat shrink sleeve 6 is improved.

[0039] Through setting the key groove 17 on the drive shaft 1, the reel 2 is provided with the key bar 23, and the key bar 23 penetrates the hand screw bolt 5, the installation and removal of the reel 2 are completed through the cooperation of the key groove 17 and the key bar 23, the fixation of the reel 2 is carried out through the hand screw bolt 5, and the installation of the reel 2 is convenient and fast.

[0040] The baffle one 25 and the baffle two 26 are installed on the reel 2 and play a limiting role on the heat shrink sleeve 6, the baffle one 25 is detachably installed on the reel 2 through the cooperation of the recess 251 and the protrusion 27, and the two sides of the baffle one 25 are limited through the reel 2 and the sealing gasket one 15, the installation and removal of the baffle one 25 are more convenient, and the combination of the baffle one 25 and the reel 2 is more reliable.

[0041] The technical features not described in the utility model can be realized through or by using the prior art, and will not be repeated here, of course, the above description is not a limitation of the utility model, and the utility model is not limited to the above examples, the changes, modifications, additions or replacements made by the ordinary skilled in the art within the essential scope of the utility model should also belong to the protection scope of the utility model.

Claims

1. A positioning mechanism for a winding machine, comprising a driving shaft (1), a reel (2) separably sleeved outside the driving shaft (1), and a heat-shrinkable sleeve (6) wound on the reel (2), characterized in that, The driving shaft (1) is a hollow structure with both ends sealed, the side of the driving shaft (1) is provided with suction holes (11) and exhaust holes (12) which are communicated with each other, the side of the reel (2) is provided with through holes (21) for sucking the end of the heat shrink sleeve (6) into the suction holes (11), the side of the driving shaft (1) is rotatably provided with a sealing sleeve (3) which is communicated with the exhaust holes (12), the outer side of the sealing sleeve (3) is provided with a suction pipe (31) which is communicated with the exhaust holes (12), and the driving shaft (1) is connected with a driving motor (4).

2. The positioning mechanism for a winding machine according to claim 1, characterized in that, The outer side of the driving shaft (1) is provided with a check ring (13) for positioning the reel (2), one end of the reel (2) is detachably abutted with the check ring (13), the inner side of the reel (2) is provided with an annular groove (22), and the outer side of the driving shaft (1) is provided with an annular table (14) corresponding to the annular groove (22), and the annular table (14) is abutted with the annular groove (22).

3. The positioning mechanism for a winding machine according to claim 2, characterized in that, The check ring (13) and one end of the reel (2) are provided with a sealing gasket one (15), and the annular table (14) and the annular groove (22) are provided with a sealing gasket two (16).

4. The positioning mechanism for a winding machine according to claim 2, characterized in that, The outer side of one end of the driving shaft (1) is provided with a key groove (17), the inner side of the other end of the reel (2) is provided with a key bar (23) corresponding to the key groove (17), the side of the reel (2) is throughly provided with an internal thread hole (24) which is communicated with the key groove (17), and a hand screw bolt (5) is arranged in the internal thread hole (24).

5. The positioning mechanism for a winding machine according to claim 2, wherein The reel (2) is provided with a baffle one (25) and a baffle two (26) on both sides of the through hole (21) respectively, and the baffle one (25) is detachably sleeved on one end of the reel (2) close to the check ring (13).

6. The positioning mechanism for a winding machine according to claim 1, characterized in that, The inner side of the sealing sleeve (3) is provided with an annular cavity (32) which is communicated with the exhaust holes (12), one end of the suction pipe (31) is communicated with the annular cavity (32), and the other end of the suction pipe (31) is connected with a suction pump.

7. The positioning mechanism for a winding machine according to claim 3, wherein Two rotating sealing rings (33) are arranged between the driving shaft (1) and the sealing sleeve (3), and the two rotating sealing rings (33) are arranged on both sides of the exhaust holes (12) respectively.

8. The positioning mechanism for a winding machine according to claim 5, characterized in that, One end of the reel (2) is arrayed with a plurality of protrusions (27), the inner side of the baffle one (25) is provided with a groove (251) corresponding to the protrusions (27), and the baffle one (25) is detachably embedded on the protrusions (27) of the reel (2) through the groove (251).

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