TWI600588B - Strapping machine advance and retreat with institutions retreat device - Google Patents

Description

Unloading device for the strapping machine

The invention relates to the technical field of a strapping machine for packaging articles, in particular to a device for retreating the main and driven wheel sets of the advancing and retracting belt mechanism.

According to Fig. 8, the main and driven wheel sets 51 and 52 are arranged on the fixed seat 50, and the belt path 53 is formed therebetween. The driving wheel set 51 is driven by the upper belt 511 and the forward and reverse belts. The wheel 512 is composed of a tensioning driving wheel 513, and the driven wheel set 52 is composed of an upper belt cover plate 521, an advancing and retracting belt driven wheel 522, and a tensioning driven wheel 523. The advancing and retracting belt main and driven wheels 512 and 522 in the belt path 53 are provided. And tightening the main and driven wheels 513, 523 to advance and retreat and tighten the strap by pressing and reversing. Due to the high temperature and plastic material strapping caused by mechanical operation, impurities are stuck in the advance and retreat belt master and slave. The moving wheels 512, 522 and the main and driven wheels 513, 523 are tightened, so that the packing belt is stuck in the belt path 53 during the baling operation, and the jamming operation must be eliminated for the smooth packing operation, and the belt path 53 is obstructed. The narrowness is difficult to apply. The current method is to first remove the advancing and retracting driven wheel 522 and the tensioning driven wheel 523 from the fixing base 50, so that there is sufficient space to eliminate the failure in the path 53. Existing elimination method for the dead state of the strap in the belt 53 for maintenance It is very troublesome in terms of work, and there is actually another improvement.

The inventors of the present invention have intensively researched and developed in view of the foregoing problems, and the main object of the present invention is to provide a retracting device for a feeding and unloading mechanism of a strapping machine, which is mainly a structure in which a fixed seat and a movable seat are separable, and a retreat is provided therebetween. The device is opened, and the upper and upper track plates of the main and driven wheel sets respectively disposed on the fixed seat and the movable seat, and the main and driven wheels of the advancing and retracting belt, and the main and driven wheels are respectively pulled by the retracting device. Separate and free up space for troubleshooting.

In order to achieve the foregoing object, the technical means used in the present invention is to provide a retracting device for the feeding and unloading mechanism of the strapping machine, comprising a main and driven wheel set, the driving wheel set is provided with a fixing seat, and the upper belt is arranged on the fixing seat. The track, the active belt, the forward and reverse belt drive wheel and the tensioning drive wheel, the driven wheel set is provided with a moving seat, and the upper belt cover plate, the driven belt path, the forward and backward belt arm and the tensioning arm are arranged on the moving seat, in the advance and retreat The belt arm and the tensioning arm are respectively provided with an advancing and retracting belt driven wheel and a tensioning driven wheel, wherein the main and driven belts and the advancing and retracting belt main and driven wheels and the tensioning main and driven wheels form a belt path, wherein: The fixed seat and the movable seat are separable structures, and an unwinding device is arranged between the fixed seat and the moving seat, and the unwinding device separates the fixed seat and the moving seat, and the adjacent driven belt and the advancing and retracting belt between the belt paths are The moving wheel and the tensioning driven wheel retreat from the active belt, the forward and reverse belt driving wheel and the tensioning driving wheel to make room for the road.

Preferably, the unwinding device is a linear unwinding device that will move The movable seat separates the mounts in a linear motion mode.

Preferably, the linear motion retracting device also provides a slip mechanism on the moving base.

Preferably, the sliding mechanism is provided with a fastening seat on the pivot hole of the tensioning arm, and the fastening seat is locked by the connecting hole, the pivot hole and the tensioning arm, and a guiding guide is connected to the guiding rod end of the fastening seat The rod and the guide rod are disposed in the bearing of the bearing frame, and the guide rod can freely slide in the bearing, so that the moving seat can slide toward the bearing frame.

Preferably, the other side of the moving seat sliding mechanism is further provided with a sliding mechanism, wherein the sliding mechanism fixes the bearing on the moving seat, and the guiding rod is disposed therein, and one end of the guiding rod is fixed on the guiding rod frame, The bearing slides toward the guide frame when the moving seat slides.

Preferably, the fixing seat extends a tongue on an end surface of the adjacent moving seat, and the movable seat opposite thereto is provided with a matching notch, and the tongue slides in the notch when the fixing seat and the moving seat are retracted or locked. .

Preferably, the fastening seat is further provided with a fastening device, and a fastening end is extended on the fastening seat, and the fastening end is provided with a shaft hole through which a fastening shaft and a spring are disposed, and one end of the fastening shaft The utility model is provided with a button, a flange is arranged on the shaft for compressing the spring, and a socket and a hole are respectively arranged at the opposite tongue and the notch of the fastening shaft, and the buckle shaft is pulled out to pull off the buckle shaft. The jack, by pushing the fastening device, can slide the moving seat, and when the fastening device is pushed to align the fastening shaft with the socket, the spring is pushed into the socket to lock the moving seat.

Preferably, the linear retracting device is moved adjacent to the fixed seat Two guide shafts are arranged on the end surface of the movable seat, and a guide hole is arranged at an end surface of the movable seat relative to the two guide shafts, and the guide shaft is slidable for guiding the guide hole, so that the movable seat can be slid and retracted by the guide shaft and the guide hole .

Preferably, the retracting device is a rotation retracting device, and the moving seat is separated from the fixing seat by the rotary motion mode.

Preferably, the rotation retracting device extends a spiral arm to the movable seat, and the rotating arm is provided with a rotating hole, and the rotating seat of the opposite rotating hole is provided with a rotating shaft, and the rotating shaft is sleeved into the rotating hole, and is rotated by rotation The seat can be rotated to retract the holder.

Preferably, the arm is further provided with a button button, and the opposite moving seat is provided with a button hole, and the push-pull of the button can cause the moving seat to retreat or block the fixed seat.

Preferably, the tensioning driving wheel side of the fixing base is further provided with a spindle fixing seat, the spindle fixing seat is provided for the main shaft to be pierced, and one end of the main shaft is provided with a tensioning cam, and the tensioning arm is further provided with an abutting wheel thereon The wheel rests against the tensioning cam, and the retraction device also disengages the abutment wheel from the tensioning cam.

Therefore, according to the technical means of the present invention, the efficiencies that can be obtained are as follows:

1. The unwinding device of the present invention simply vacates the belt path space, so that it is convenient to eliminate the jam band which occurs in the belt lane due to the strap.

2. The retracting device of the present invention has a simple structure, and the operation of the strapping machine is not degraded by the addition of the retracting device.

(10) ‧ ‧ active wheel set

(11) ‧ ‧ fixed seat

(12) ‧ ‧ 上上道

(121) ‧ ‧ active lead

(13) ‧‧‧Advance and retreat with drive wheel

(14)‧‧‧Tighten the drive wheel

(15)‧‧‧Spindle mount

(151)‧‧‧ Spindle

(152)‧‧‧Tighten the cam

(16) ‧ ‧ tongue

(161)‧‧‧ jack

(162)‧‧‧ Guide shaft

(17)‧‧‧Swing arm

(171)‧‧‧Transforation

(20)‧‧‧ driven wheel set

(21)‧‧‧Mobile seat

(22) ‧‧‧Upper track cover

(221) ‧‧‧ Driven belt

(23) ‧‧‧Advance and retraction arm

(231) ‧‧‧Advance and retraction with driven wheels

(24)‧‧‧Tighten the arm

(241)‧‧‧Tighten the driven wheel

(242)‧‧‧Affiliation round

(243) ‧‧‧Pivot

(25) (27) ‧ ‧ slip mechanism

(251) ‧ ‧ guides

(253) ‧ ‧ bearings

(252)‧‧‧ bearing frame

(261)‧‧‧Contact holes

(262)‧‧‧ Guide rod end

(271) ‧ ‧ bearings

(272)‧‧‧Guide bars

(273)‧‧‧ Guide frame

(28)‧‧‧ Notch

(281) ‧‧‧Perforation

(282)‧‧‧Guidance

(29) ‧‧‧ shaft

(291)‧‧‧Cut hole

(30) ‧‧‧ lead

(40) ‧‧‧ fastening device

(41) ‧‧‧ buckle end

(42)‧‧‧Axis hole

(43) ‧‧‧ fastening shaft

(431) ‧‧‧Flange

(44) ‧ ‧ spring

(45) ‧‧‧ button

(50) ‧ ‧ fixed seat

(51) ‧ ‧ active wheel set

(511)‧‧‧上上道

(512) ‧ ‧ forward and backward with drive wheel

(513)‧‧‧Tighten the drive wheel

(52)‧‧‧ driven wheel set

(521)‧‧‧Upper track cover

(522) ‧‧‧Advance and retraction with driven wheels

(523)‧‧‧Tighten the driven wheel

(53) ‧‧‧ lead

The first picture is a schematic diagram of the locking of the advance and retreat mechanism of the present invention.

The second picture is a schematic diagram of the retreat of the creative advance and retreat mechanism.

Fig. 3 is a schematic exploded view of the driven wheel set, the slip device and the fastening device.

Figure 4 is a schematic diagram of the locking of the creation of the fastening device.

Figure 5 is another embodiment of the present creation.

Figure 6 is a further embodiment of the present invention.

Figure 7 is a plan view of yet another embodiment of the present invention.

Figure 8 is a prior art schematic.

Referring to Figures 1, 2 and 3, the main and driven wheel sets 10, 20 of the strapping machine are respectively disposed on the detachable fixed seat 11 and the movable seat 21, and the fixed seat 11 of the driving wheel set 10 is arranged. The upper belt 12, the active belt 121, the forward and reverse belt driving wheel 13 and the tensioning driving wheel 14 are disposed, and the tensioning driving wheel 14 side of the fixing seat 11 is provided with a spindle fixing seat 15 on which the main shaft 151 is inserted, the main shaft A tensioning cam 152 is disposed at one end of the 151, and the upper carriage cover 22 and the driven belt 221 are disposed on the movable seat 21 of the driven wheel set 20, and an advancing and retracting arm 23 is further provided, and the advancing and retracting driven wheel 231 is disposed thereon. Further, a tensioning arm 24 is provided, on which a tensioning driven wheel 241 and an abutting wheel 242 are provided, and the abutting wheel 242 is actuated against the tensioning cam 152, wherein the main and driven belts of the main and driven wheel sets 10, 20 are actuated. The lanes 121, 221 and the advancing and retracting belt main and driven wheels 13, 231 and the tensioning main and driven wheels 14, 241 form a belt path 30 for the strap to borrow the retracting main and driven wheels 13, 231 and tightening. The main and driven wheels 14, 241 perform advance and retreat activities.

In order to free the space of the lane 30 for trouble-shooting, the fixing seat 11 and the moving seat 21 are provided with an unwinding device, the unwinding device separates the fixing seat 11 and the moving seat 21, and the adjacent driving between the belts 30 The belt path 221, the advancing and retracting belt driven wheel 231 and the tensioning driven wheel 241 are retracted from the main belt path 121, the advancing and retracting belt driving wheel 13, and the tensioning driving wheel 14, and the retracting device also disengages the abutting wheel 242 from the tensioning cam 152.

The mode used by the unwinding device is linear motion and rotary motion. For the linear motion mode, please refer to FIGS. 2 and 3, and a sliding mechanism 25 is provided on the moving base 21, and the sliding mechanism 25 can slide the moving base 21 to reach The sliding mechanism 25 is provided with a fastening seat 26 on the pivot hole 243 of the tensioning arm 24, and the fastening seat 26 is locked by the connecting hole 261, the pivot hole 243 and the tensioning arm 24. The guide rod end 262 of the buckle seat 26 is connected with a guide rod 251. The guide rod 251 is disposed in the bearing 253 of the bearing frame 252. The guide rod 251 can freely slide in the bearing 253, so that the movable seat 21 can be directed toward the bearing. The frame 252 is slipped.

In order to stably move the moving seat 21, a sliding mechanism 27 is further disposed on the other side of the sliding mechanism of the moving seat 21, and the sliding mechanism 27 fixes the bearing 271 to the moving base 21, and the guide rod 272 is inserted therein. One end of the guide rod 272 is fixed to the guide frame 273, and the bearing 271 is slid toward the guide frame 273 when the moving seat 21 is slid.

Reinforce the sliding stability of the movable seat 21, please refer to Figures 2 and 4, and extend the tongue 16 on the end surface of the movable seat 21 adjacent to the fixed seat 11, opposite thereto. The movable seat 21 is provided with a symmetrical notch 28 which slides within the notch 28 when the fixed seat 11 and the movable seat 21 are retracted or locked.

In addition, in order to lock the movable seat 21, please refer to the second and fourth figures, and the fastening device 40 is disposed on the fastening seat 26, and a fastening end 41 is extended on the fastening seat 26, and the fastening end 41 is provided. The shaft hole 42 is internally provided with a fastening shaft 43 and a spring 44. One end of the fastening shaft 43 is provided with a button 45, and a flange 431 is arranged on the shaft for compressing the spring 44, and the opposite of the fastening shaft 43 The insertion hole 161 and the through hole 281 are respectively disposed at the tab 16 and the notch 28, and the insertion pin 161 is pulled out to pull the buckle shaft 161 to disengage the insertion hole 161, and then the fastening device 40 is pushed to slide the movable seat 21, and When the fastening device 40 is pushed to align the fastening shaft 43 with the insertion hole 161, the spring 44 is pushed into the insertion hole 161 to lock the movable seat 21, so that the fastening device 40 also has the effect of easy to operate the sliding movement of the movable seat 21.

Another embodiment of the linear motion mode is shown in Fig. 5. The slipping devices 25, 27 are omitted, and the two guide shafts 162 are extended on the end faces of the movable seats 21 of the fixed seat 11, and the end faces of the movable seats 21 are opposite to the two guide shafts. A guide hole 282 is provided at 162, and the guide shaft 162 is slidable by the guide hole 282, so that the movable seat 21 can be slid and retracted by the guide shaft 162 and the guide hole 282.

The two guide shafts 162 may be disposed at different from the tabs 16 while the opposite guide holes 282 are also disposed at the notch 28.

For the rotational movement mode of the retracting device, please refer to FIGS. 6 and 7. A rotating arm 17 is extended to the movable seat 21 at the fixing base 11. The rotating arm 17 is provided with a rotating hole 171, and the movable seat 21 of the opposite rotating hole 171 is provided. Rotary shaft 29, shaft 29 nested When the hole 171 is turned, the holder 11 can be retracted by rotating the movable seat 21.

In order to lock the moving seat 21, a button 171 is disposed on the arm 17, and the opposite moving seat 21 is provided with a button hole 291. The pushing of the button 171 can cause the moving seat 21 to retreat or lock the fixed seat 11.

The above embodiments are merely illustrative of the technology of the present invention and its effects, and are not intended to limit the present invention. Any person skilled in the art can modify and change the above embodiments without departing from the technical spirit and spirit of the present invention. Therefore, the scope of protection of the present invention should be as listed in the patent application scope mentioned later. .

(10) ‧ ‧ active wheel set

(11) ‧ ‧ fixed seat

(12) ‧ ‧ 上上道

(121) ‧ ‧ active lead

(13) ‧‧‧Advance and retreat with drive wheel

(14)‧‧‧Tighten the drive wheel

(15)‧‧‧Spindle mount

(151)‧‧‧ Spindle

(152)‧‧‧Tighten the cam

(16) ‧ ‧ tongue

(20)‧‧‧ driven wheel set

(21)‧‧‧Mobile seat

(22) ‧‧‧Upper track cover

(221) ‧‧‧ Driven belt

(23) ‧‧‧Advance and retraction arm

(231) ‧‧‧Advance and retraction with driven wheels

(24)‧‧‧Tighten the arm

(241)‧‧‧Tighten the driven wheel

(242)‧‧‧Affiliation round

(25) (27) ‧ ‧ slip mechanism

(251) ‧ ‧ guides

(253) ‧ ‧ bearings

(252)‧‧‧ bearing frame

(271) ‧ ‧ bearings

(272)‧‧‧Guide bars

(273)‧‧‧ Guide frame

(28)‧‧‧ Notch

(30) ‧‧‧ lead

(40) ‧‧‧ fastening device

(41) ‧‧‧ buckle end

(43) ‧‧‧ fastening shaft

(44) ‧ ‧ spring

(45) ‧‧‧ button

Claims (10)

The unloading device of the feeding and unloading mechanism of the strapping machine comprises a main and driven wheel set (10), (20), the driving wheel set (10) is provided with a fixing seat (11), and an upper belt path is arranged on the fixing seat (11) (12), the active belt (121), the forward and reverse belt drive wheel (13) and the tensioning drive wheel (14), the driven wheel set (20) is provided with a moving seat (21), which is arranged on the moving seat (21) The roadway cover (22), the driven belt (221), the advancing and retracting arm (23) and the tensioning arm (24) are respectively provided with an advancing and retracting belt on the advancing and retracting arm (23) and the tensioning arm (24). The driven wheel (231) and the tensioning driven wheel (241), wherein the main and driven belts (121), (221) and the advancing and retracting belt main and driven wheels (13), (231) and the main and driven wheels are tightened ( 14), (241) form a belt (30), characterized in that: the fixed seat (11) and the movable seat (21) are separable structures, and are arranged between the fixed seat (11) and the moving seat (21) The device is retracted, and the retracting device separates the fixing seat (11) from the moving seat (21), and the adjacent driven belt (221) between the belt (30), the advancing and retracting belt (231) and the tensioning device are tightened. The driven wheel (241) retreats from the active belt (121), the forward and reverse belt drive wheel (13) and the tensioning drive wheel (14) to make room for the belt (30). The unwinding device according to claim 1, characterized in that the unwinding device is a linear unwinding device, and the movable seat (21) is separated from the fixed seat (11) by a linear motion mode. The unwinding device according to claim 2, characterized in that the linear retracting device further provides a slip mechanism (25) on the moving base (21). The unwinding device according to claim 3, characterized in that the slip mechanism (25) A fastening seat (26) is disposed on the pivot hole (243) of the tensioning arm (24), and the fastening seat (26) passes through the connecting hole (261), the pivot hole (243) and the tensioning arm ( 24) Locking, the guide rod end (262) of the buckle seat (26) is connected with a guide rod (251), and the guide rod (251) is inserted into the bearing (253) of the bearing frame (252), and the guide rod ( 251) is free to slide within the bearing (253) such that the moving seat (21) can slide towards the bearing frame (252). The unwinding device according to claim 4, characterized in that the other side of the moving seat (21) slip mechanism (25) is further provided with a slip mechanism (27), and the slip mechanism (27) is a bearing ( 271) fixed on the moving seat (21), the guide rod (272) is inserted therein, one end of the guiding rod (272) is fixed on the guiding rod frame (273), and the bearing (271) when the moving seat (21) is slipped ) sliding toward the guide frame 273. The retracting device according to claim 4 or 5, characterized in that: the fixing seat (11) extends on the end surface of the movable seat (21) with a tab (16), and the movable seat (21) opposite thereto There is a commensurate notch (28) that slides within the notch (28) when the retaining seat (11) and the moving seat (21) are retracted or latched. The retracting device according to claim 6, wherein the fastening seat (26) is further provided with a fastening device (40), and a fastening end (41) is extended on the fastening seat (26). The fastening end (41) is provided with a shaft hole (42) through which a fastening shaft (43) and a spring (44) are disposed, and the fastening shaft (43) is provided with a button (45) at one end thereof on the shaft. a flange (431) is provided for compressing the spring (44), and a socket (161) and a through hole (281) are respectively disposed at the opposite tab (16) and the recess (28) of the fastening shaft (43). The socket (161) for pulling out the fastening shaft (43) by pulling the button (45), Pushing the fastening device (40) to slide the moving seat (21), and pushing the fastening device (40) to align the fastening shaft (43) with the socket (161), the spring (44) is used to make the bullet The jack (161) is inserted into the jack (21). The unwinding device according to claim 1, characterized in that the unwinding device is a rotary uncoupling device, and the movable seat (21) is separated from the fixed seat (11) by a rotary motion mode. Request item Tuikai apparatus of claim 8, wherein: the mobile system to the base means (21) extending in a spiral arm (17) in the holder (11) moved away this rotation, the arm is provided with transwell (171 (17) ), a rotating shaft (29) is arranged on the moving seat (21) of the rotating hole (171), and the rotating shaft (29) is sleeved into the rotating hole (171), and can be rotated and retracted by rotating the moving seat (21). (11). Request item Tuikai apparatus of claim 9, wherein: the arm (17) is also provided buttoning (171), opposing the movable block is provided with fastening holes (291) (21), buttoning (171) thrusting The mobile seat (21) can be retracted or latched to the fixed seat (11).