CN218617451U

CN218617451U - Bag clamping device and clamping jaw driving device

Info

Publication number: CN218617451U
Application number: CN202223043598.1U
Authority: CN
Inventors: 王连成; 王晓露; 周超
Original assignee: Weihai Furui Robotics Co ltd
Current assignee: Weihai Furui Robotics Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-14
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to the field of packaging technology, specifically indicate a press from both sides bagging apparatus and clamping jaw drive arrangement, a press from both sides bagging apparatus, including the clamping jaw support, be equipped with stationary dog, movable claw and movable claw drive assembly on the clamping jaw support, movable claw drive assembly includes movable claw drive shaft, swing arm, follower rod, actuating lever, driving spring and spring baffle, a clamping jaw drive arrangement, including the mount, mount both sides mirror image is equipped with the aforesaid clamp bagging apparatus, two movable claws that press from both sides the bagging apparatus set up relatively, two clamping jaw supports respectively with mount sliding connection, be equipped with on the mount and press from both sides and get actuating mechanism, press from both sides actuating mechanism and include linkage frame, left movable plate, right movable plate, left linkage plate, right linkage plate, linkage rod and driving source, the mount is equipped with direction canceling release mechanical system and positioning mechanism, the utility model discloses use cost is low, the centre gripping is stable, the centre gripping is firm, the sack atress is even, packing is efficient.

Description

Bag clamping device and clamping jaw driving device

Technical Field

The utility model relates to the field of packaging technology, specifically indicate a press from both sides bagging apparatus and clamping jaw drive arrangement.

Background

At present common bag clamping device adopts pneumatic finger centre gripping sack, because pneumatic finger dynamics is less, and the sack drops easily at the removal in-process, through the retrieval, chinese patent CN217673540U discloses a bag mechanism is opened to clamp bag, include two clamping jaw cylinders, go up open a bag cylinder and open a bag cylinder down, it is equipped with a plurality of sucking disc respectively with lower bag cylinder to go up open a bag cylinder, the clamping jaw cylinder outside is equipped with the push pedal cylinder, and the inboard is provided with compressor arrangement, be equipped with spacing adjusting screw between clamping jaw cylinder and the push pedal cylinder for spacing to clamping jaw cylinder return stroke, it is provided with two sucking discs respectively with lower bag cylinder to go up open a bag cylinder, compressor arrangement is the pressure spring, the not enough of above-mentioned patent: firstly, above-mentioned patent adopts clamping jaw cylinder centre gripping sack, this makes in whole packaging process, two clamping jaw cylinders need last the operation, use cost is high, in case there is one side clamping jaw cylinder to go wrong, the sack just can't press from both sides tightly or is strutted, two clamping jaw cylinders realize propping the sack tightly through two push pedal cylinder compression compressor arrangement respectively, two push pedal cylinders probably appear asynchronous condition, the push pedal cylinder is compressing pressure spring drive clamping jaw cylinder, can further aggravate asynchronous condition, lead to the sack loose tight on one side, the sack atress is uneven, easy deformation, can't pack even, need trade the bag, packaging efficiency is reduced, furthermore, adopt two push pedal cylinders to improve use cost.

Disclosure of Invention

The utility model aims at solving the prior art not enough, provide a low in use cost, centre gripping stable, the centre gripping is firm, the sack atress is even, packing efficient bag clamping device and clamping jaw drive arrangement.

In order to achieve the above object, the utility model adopts the following technical scheme:

a bag clamping device, which is characterized in that: comprises a clamping jaw bracket, a fixed jaw and a movable jaw are arranged on the clamping jaw bracket, a movable jaw driving component is arranged on the clamping jaw bracket and comprises a movable jaw driving shaft, a swing arm, a follower rod, a driving spring and a spring baffle plate, one end of the fixed jaw is fixedly connected with the clamping jaw bracket, a movable jaw driving shaft is arranged below the fixed jaw, one end of the movable jaw is hinged with the clamping jaw bracket,

swing arms are arranged on two sides of one end of each movable jaw respectively, follower rods are arranged on two sides of one end of each movable jaw respectively, the middle parts of the swing arms are hinged to the clamping jaw support, a first adjusting hole is formed in one end of each swing arm, a second adjusting hole is formed in the other end of each swing arm, one end of each follower rod is fixedly connected with the corresponding movable jaw, the other end of each follower rod penetrates through the corresponding first adjusting hole and is arranged outside the corresponding first adjusting hole, the follower rods are in sliding connection with the corresponding first adjusting holes, driving rods are arranged on two sides of the corresponding movable jaw driving shaft respectively, one end of each driving rod is fixedly connected with the corresponding movable jaw driving shaft, the other end of each driving rod penetrates through the corresponding second adjusting hole and is arranged outside the corresponding second adjusting hole, the movable jaw driving shaft is in sliding connection with the corresponding second adjusting hole, the lower end of the corresponding movable jaw driving shaft sequentially penetrates through the clamping jaw support, a driving spring and a spring baffle is in sliding connection with the clamping jaw support, and the spring baffle is fixedly connected with the movable jaw driving shaft,

the driving spring upper end is supported against the clamping jaw support, the lower end is supported against the spring baffle, the driving spring is in a compression state, the driving spring drives the movable jaw driving shaft to move downwards, the lower end face of the movable jaw is supported against the upper end face of the fixed jaw to be closed, the driving spring is compressed to rebound, the movable jaw driving shaft is made to move downwards, the swinging arm is pulled to rotate by taking the hinged point of the swinging arm and the clamping jaw support as the center, the follow-up rod drives the movable jaw to rotate by taking the hinged point of the movable jaw and the clamping jaw support as the center, the movable jaw and the fixed jaw are closed, a bag clamped between the fixed jaw and the movable jaw is clamped, and the clamping is firm and low in cost.

Movable claw drive shaft upper end is equipped with the hub connection board, hub connection board lower extreme and movable claw drive shaft fixed connection, hub connection board both sides and two actuating lever fixed connection, hub connection board side is equipped with the deflector along movable claw drive shaft lift direction, hub connection board side supports with the deflector and leans on, deflector and clamping jaw support fixed connection to do benefit to the lift through deflector direction movable claw drive shaft, make movable claw and stationary claw open or closed more smooth.

The follower rod other end passes first regulation hole and is equipped with first baffle, the external diameter of first baffle is greater than the width of first regulation hole, first baffle and follower rod fixed connection, and first baffle leans on sliding connection with the swing arm counterbalance, the actuating lever other end passes the second regulation hole and is equipped with the second baffle, the external diameter of second baffle is greater than the width of second regulation hole, second baffle and actuating lever fixed connection, sliding connection is leaned on with the swing arm counterbalance to the second baffle does benefit to and comes spacing collet chuck through first baffle, prevents collet chuck horizontal hunting, through the spacing collet chuck drive shaft horizontal hunting of second baffle.

The utility model provides a clamping jaw drive arrangement, includes the mount, its characterized in that: mount both sides mirror image be equipped with the aforesaid press from both sides bagging apparatus, two movable claw that press from both sides bagging apparatus set up relatively, two gripper brackets respectively with mount sliding connection, be equipped with on the mount and press from both sides and get actuating mechanism, press from both sides actuating mechanism and gripper bracket connection, two gripper brackets are close to each other or keep away from through pressing from both sides actuating mechanism drive to do benefit to and get two gripper brackets of actuating mechanism drive and be close to mutually through pressing from both sides, open the sack, press from both sides two gripper brackets of actuating mechanism drive and keep away from mutually, press from both sides the sack both ends, keep the planarization of sack.

Press from both sides and get actuating mechanism and include linkage frame, left movable plate, right movable plate, left linkage plate, right linkage plate, gangbar and driving source, the mount both sides are equipped with left movable plate and right movable plate, mount lower extreme middle part is equipped with the linkage frame, and two clamping jaw supports are fixed on left movable plate and right movable plate, left side movable plate and mount sliding connection, right movable plate and mount sliding connection, linkage frame and mount fixed connection, be equipped with the linkage groove in the middle of the linkage frame, and the linkage frame below is equipped with left linkage plate and right linkage plate, wear to be equipped with the gangbar in the linkage groove, left linkage plate one end is articulated with left movable plate, and the other end is articulated with the gangbar, right linkage plate one end is articulated with right movable plate, and the other end is articulated with the gangbar, gangbar and linkage groove inner wall sliding connection, the gangbar slides along the linkage groove through the drive driving source, drives left movable plate and right movable plate and is close to or keep away from each other to can drive two clamping bag devices through a driving source and be close to or keep away from each other.

The mount is equipped with direction canceling release mechanical system, direction canceling release mechanical system includes direction baffle, guiding axle and reset spring, the fixed guide rail that is equipped with on the mount, both sides are equipped with direction baffle respectively in the middle of the mount, and two direction baffles are located between left movable plate and the right movable plate, direction baffle and mount fixed connection, be equipped with the guiding hole on the direction baffle, all be provided with the guiding axle between left movable plate and the direction baffle and between right movable plate and the direction baffle, the cover has reset spring on the guiding axle, guiding axle one end and left movable plate or right movable plate fixed connection, and the other end passes direction baffle and guiding baffle sliding connection, reset spring one end offsets with left movable plate or right movable plate and leans on, and the other end offsets with the direction baffle and leans on to when doing benefit to the removal of driving source drive gangbar makes left movable plate and right movable plate be close to mutually, left movable plate and right movable plate extrude reset spring respectively, when the driving source withdraws, left movable plate and right movable plate are kept away from under reset spring resilience effect, get back to the normal position.

Be equipped with positioning mechanism on the mount, positioning mechanism includes locating plate and positioning screw, the mount left and right sides is equipped with the locating plate respectively, and the locating plate is located the left side of left movable plate or the right side of right movable plate, the locating plate sets up with left movable plate or right movable plate interval, locating plate and mount fixed connection, be equipped with the screw hole on the locating plate, be equipped with positioning screw on the locating plate, positioning screw passes the locating plate and leans on with left movable plate or right movable plate counterbalance, positioning screw and locating plate threaded connection, through the position that spacing left movable plate of positioning screw, right movable plate reset, and then can be according to two bag clamping device's of width adjustment of wrapping bag sack position.

The driving source is the driving cylinder, driving cylinder and mount fixed connection, the telescopic link and the gangbar of driving cylinder offset and lean on, move forward along the linkage groove through driving cylinder drive gangbar, drive left movable plate and right movable plate and be close to mutually.

One end that the guiding axle passed guide baffle is equipped with stop nut, guiding axle and stop nut threaded connection to come the stroke of spacing guiding axle through stop nut, also prevent simultaneously that the guiding axle breaks away from guide baffle.

The utility model discloses owing to adopt above-mentioned structure, have that use cost is low, the centre gripping is stable, the centre gripping is firm, the sack atress is even, advantage such as packing efficiency height.

Drawings

Fig. 1 is a schematic structural view of the bag clamping device of the present invention.

Fig. 2 is a front view of fig. 1 of the present invention.

Fig. 3 is a schematic structural view of the jaw driving device of the present invention.

Fig. 4 is a front view of the present invention with the drive source removed from fig. 3.

Reference numerals: the clamping jaw clamping device comprises a clamping jaw support 1, a fixed jaw 2, a movable jaw 3, a movable jaw driving assembly 4, a movable jaw driving shaft 5, a swing arm 6, a follower rod 7, a driving rod 8, a driving spring 9, a spring baffle plate 10, a first adjusting hole 11, a second adjusting hole 12, a shaft connecting plate 13, a guide plate 14, a first baffle plate 15, a second baffle plate 16, a fixed frame 17, a bag clamping device 18, a clamping driving mechanism 19, a linkage frame 20, a left moving plate 21, a right moving plate 22, a left linkage plate 23, a right linkage plate 24, a linkage rod 25, a driving source 26, a linkage groove 27, a guide resetting mechanism 28, a guide baffle plate 29, a guide shaft 30, a resetting spring 31, a guide rail 32, a positioning mechanism 33, a positioning plate 34, a positioning screw 35 and a limiting nut 36.

Detailed Description

The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.

A bag holding device 18, characterized in that: the clamping jaw driving mechanism comprises a clamping jaw support 1, wherein a fixed jaw 2 and a movable jaw 3 are arranged on the clamping jaw support 1, a movable jaw driving assembly 4 is arranged on the clamping jaw support 1, the movable jaw driving assembly 4 comprises a movable jaw driving shaft 5, a swinging arm 6, a follower rod 7, a driving rod 8, a driving spring 9 and a spring baffle 10, one end of the fixed jaw 2 is fixedly connected with the clamping jaw support 1, the lower portion of the fixed jaw 2 is provided with the movable jaw driving shaft 5, one end of the movable jaw 3 is hinged with the clamping jaw support 1, two sides of one end of the movable jaw 3 are respectively provided with the swinging arms 6, two sides of one end of the movable jaw 3 are respectively provided with the follower rod 7, the middle portion of each swinging arm 6 is hinged with the clamping jaw support 1, one end of each swinging arm 6 is provided with a first adjusting hole 11, the other end of each swinging arm is provided with a second adjusting hole 12, one end of each follower rod 7 is fixedly connected with the movable jaw 3, and the other end of each swinging arm passes through the first adjusting hole 11 and is arranged outside the first adjusting hole 11, a follower rod 7 is connected with a first adjusting hole 11 in a sliding manner, two sides of a movable jaw driving shaft 5 are respectively provided with a driving rod 8, one end of each driving rod 8 is fixedly connected with the movable jaw driving shaft 5, the other end of each driving rod 8 passes through a second adjusting hole 12 and is arranged outside a second adjusting hole 12, the movable jaw driving shaft 5 is connected with the second adjusting hole 12 in a sliding manner, the lower end of the movable jaw driving shaft 5 sequentially passes through a clamping jaw support 1, a driving spring 9 and a spring baffle 10 to form a free driving end, the movable jaw driving shaft 5 is connected with the clamping jaw support 1 in a sliding manner, the spring baffle 10 is fixedly connected with the movable jaw driving shaft 5, the upper end of the driving spring 9 abuts against the clamping jaw support 1, the lower end of the driving spring abuts against the spring baffle 10, the driving spring 9 is in a compressed state, the driving spring 9 drives the movable jaw driving shaft 5 to move downwards, so that the lower end face of the movable jaw 3 abuts against and is closed with the upper end face of the fixed jaw 2, the bag clamping device is favorable for compression and rebound of the driving spring, the driving shaft of the movable jaw is promoted to move downwards, the swing arm is pulled to rotate by taking the hinged point of the swing arm and the clamping jaw support as a center, the follow-up rod drives the movable jaw to rotate by taking the hinged point of the movable jaw and the clamping jaw support as a center, the movable jaw and the fixed jaw are closed, a bag clamped between the fixed jaw and the movable jaw is clamped, and the bag clamping device is firm in clamping and low in cost.

5 upper ends of movable claw drive shaft are equipped with axle connecting plate 13, axle connecting plate 13 lower extreme and 5 fixed connection of movable claw drive shaft, axle connecting plate 13 both sides and two 8 fixed connection of actuating lever, axle connecting plate 13 side is equipped with deflector 14 along 5 lift direction of movable claw drive shaft, axle connecting plate 13 side offsets with deflector 14 and leans on, deflector 14 and clamping jaw support 1 fixed connection to do benefit to the lift through deflector direction movable claw drive shaft, make movable claw and stationary claw open or closed more smooth.

7 other ends of follower rod pass first regulation hole 11 and are equipped with first baffle 15, the external diameter of first baffle 15 is greater than the width of first regulation hole 11,

first baffle

15 and 7 fixed connection of follower rod, and sliding connection is leaned on in

first baffle

15 and 6 offsets of swing arm, 8 other ends of actuating lever pass second regulation hole 12 and are equipped with second baffle 16, the external diameter of second baffle 16 is greater than the width of second regulation hole 12,

second baffle

16 and 8 fixed connection of actuating lever, sliding connection is leaned on in

second baffle

16 and 6 offsets of swing arm to do benefit to and come spacing movable claw through first baffle, prevent the movable claw horizontal hunting, through the spacing movable claw drive shaft horizontal hunting of second baffle.

A clamping jaw drive arrangement, includes mount 17, its characterized in that: mount 17 both sides mirror image be equipped with the aforesaid press from both sides bagging apparatus 18, two movable claw 3 that press from both sides bagging apparatus 18 set up relatively, two clamping jaw support 1 respectively with mount 17 sliding connection, be equipped with on the mount 17 and press from both sides and get actuating mechanism 19, press from both sides and get actuating mechanism 19 and be connected with clamping jaw support 1, two clamping jaw support 1 press from both sides actuating mechanism 19 drive and are close to or keep away from each other to do benefit to and get two clamping jaw supports of actuating mechanism drive and be close to mutually through pressing from both sides, open the sack, press from both sides and get two clamping jaw support of actuating mechanism drive and keep away from mutually, press from both sides the planarization of sack.

Press from both sides and get actuating mechanism 19 and include linkage frame 20, left movable plate 21, right movable plate 22, left linkage plate 23, right linkage plate 24, gangbar 25 and driving source 26, mount 17 both sides are equipped with left movable plate 21 and right movable plate 22, mount 17 lower extreme middle part is equipped with linkage frame 20, and two clamping jaw support 1 are fixed on left movable plate 21 and right movable plate 22, left side movable plate 21 and mount 17 sliding connection, right movable plate 22 and mount 17 sliding connection, linkage frame 20 and mount 17 fixed connection, be equipped with gangbar groove 27 in the middle of the linkage frame 20, linkage frame 20 below is equipped with left linkage plate 23 and right gangbar 24, wear to be equipped with gangbar 25 in the gangbar groove 27, left side gangbar 23 one end is articulated with left movable plate 21, and the other end is articulated with right movable plate 25, right gangbar 24 one end is articulated with right movable plate 22, and the other end is articulated with gangbar 25, gangbar 25 and gangbar 27 inner wall sliding connection, gangbar 25 slides along gangbar 27 through the driving source 26 drive, drives left movable plate 21 and right movable plate 22 mutually or keep away from mutually to one or keep away from a bag drive mutually through two drive source mutually.

Mount 17 is equipped with direction canceling release mechanical system 28, direction canceling release mechanical system 28 includes direction baffle 29, guiding axle 30 and reset spring 31, the fixed guide rail 32 that is equipped with on mount 17, both sides are equipped with direction baffle 29 respectively in the middle of the mount 17, and two direction baffles 29 are located between left movable plate 21 and the right movable plate 22, direction baffle 29 and mount 17 fixed connection, be equipped with the guiding hole on the direction baffle 29, all be provided with guiding axle 30 between left movable plate 21 and the direction baffle 29 and between right movable plate 22 and the direction baffle 29, the cover has reset spring 31 on the guiding

axle

30, and 30 one end of guiding axle and left movable plate 21 or right movable plate 22 fixed connection, the other end pass direction baffle 29 and guiding baffle 29 sliding connection, reset spring 31 one end is leaned on with left movable plate 21 or right movable plate 22 counterbalance, and the other end is leaned on with direction baffle 29 counterbalance to do benefit to the removal of driving source drive gangbar makes left movable plate and right movable plate be close to the time, left movable plate and right movable plate extrude reset spring respectively, when the driving source withdraws back to the original position, left movable plate and right movable plate are kept away from under reset spring effect.

Be equipped with positioning mechanism 33 on mount 17, positioning mechanism 33 includes locating plate 34 and positioning screw 35, the mount 17 left and right sides is equipped with locating plate 34 respectively, and locating plate 34 is located the left side of left movable plate 21 or the right side of right movable plate 22, locating plate 34 sets up with left movable plate 21 or the 22 intervals of right movable plate, locating plate 34 and mount 17 fixed connection, be equipped with the screw hole on locating plate 34, be equipped with positioning screw 35 on locating plate 34, positioning screw 35 passes locating plate 34 and leans on with left movable plate 21 or the counterbalance of right movable plate 22, positioning screw 35 and locating plate 34 threaded connection, through the position that the spacing left movable plate of positioning screw, right movable plate reset, and then can be according to the position of two clamp bag devices of width adjustment of wrapping bag sack.

Driving source 26 is the driving cylinder, driving cylinder and 17 fixed connection of mount, the telescopic link and the gangbar 25 of driving cylinder offset and lean on, move forward along the linkage groove through driving cylinder drive gangbar, drive left movable plate and right movable plate and be close to mutually.

One end that guiding axle 30 passed guide baffle 29 is equipped with stop nut 36, guiding axle 30 and stop nut 36 threaded connection to come the stroke of spacing guiding axle through stop nut, also prevent simultaneously that the guiding axle breaks away from guide baffle.

As shown in the drawings, fig. 1 and fig. 2 are the bag clamping device of the present invention, the movable jaw driving shaft of the bag clamping device can be driven by a driving cylinder, the driving cylinder is like a cylinder, when the bag clamping device is used alone, the movable jaw driving shaft of the bag clamping device can be connected with the telescopic rod of the cylinder, when the bag clamping device is used in pairs, two bag clamping devices are arranged oppositely, as shown in fig. 3 and fig. 4, at this time, the two movable jaw driving shafts of the two bag clamping devices can be driven by two driving cylinders respectively, or can be driven by one driving cylinder, two driving cylinders are adopted, that is, one movable jaw driving shaft is connected with the telescopic rod of one cylinder, and the structure is the same as that when the bag clamping device is used alone; when a driving cylinder is adopted to drive two movable claw driving shafts, a push rod can be respectively arranged below or at the lower end of each of the two movable claw driving shafts, the upper end surfaces of the two push rods abut against or are fixed with the lower end surfaces of the two movable claw driving shafts, the lower ends of the two push rods are fixed on a push plate, and the lower end of the push plate is fixed with a telescopic rod of the driving cylinder, so that one driving cylinder drives the push plate to ascend to drive the two push rods to ascend, the two push rods ascend to drive the two movable claw driving shafts to ascend, and the movable claws are opened; the connection mode of the push rod and the movable claw driving shaft can be a fixed connection mode or a leaning mode, when the push rod and the movable claw driving shaft adopt the fixed connection mode, the movable claw driving shaft can be driven by the push rod to move up and down, and the descending of the movable claw driving shaft can be further accelerated by the resilience force of the driving spring; when the push rod and the movable claw driving shaft are abutted, the push rod can drive the movable claw driving shaft to ascend, the push rod falls and is separated from the movable claw driving shaft, at the moment, the movable claw driving shaft descends from the resilience force of the driving spring, the movable claw and the fixed claw are driven to close by the resilience force of the compressed driving spring, and the above mode can be set according to requirements;

when in use, as shown in attached figures 3 and 4, the movable claws of the two bag clamping devices are driven by the driving cylinders to rotate upwards for opening, the packaging bag is placed on the fixed claws of the two bag clamping devices, the telescopic rods of the driving cylinders retract, the movable claw driving shafts move downwards under the action of the resilience force of the driving springs, so that the movable claws rotate downwards, the movable claws and the fixed claws are closed, and the two ends of the packaging bag are tightly clamped,

when the packaging bag needs to be opened, as shown in figure 3, a driving source such as an air cylinder drives a linkage rod to move forwards to drive a left linkage plate and a right linkage plate to rotate forwards, the left linkage plate drives a left moving plate to move rightwards, the right linkage plate drives a right moving plate to move leftwards, namely, the left moving plate and the right moving plate are close to each other, an extrusion reset spring is close to the left moving plate and the right moving plate, at the moment, a bag opening is loosened, the bag opening is opened, materials to be packaged are placed into the bag, then the driving source such as an expansion link of the air cylinder retracts, the linkage rod loses driving force, the left moving plate and the right moving plate move leftwards and the right moving plate move rightwards under the resilience force of the reset spring, the left moving plate and the right moving plate return to the original positions, two bag clamping devices are separated, two ends of the bag opening are straightened and leveled, and subsequent packaging is facilitated.

The utility model discloses simple structure, convenient operation, movable jaw under the drive spring effect, can keep always with stationary dog looks closed state, practiced thrift use cost, when two bag clamping device used together, can be close to or keep away from by a actuating cylinder drive that drives, two bag clamping device are close to or keep away from in step, the sack atress is balanced, packing efficiency is high.

Claims

1. A bag clamping device, which is characterized in that: comprises a clamping jaw support (1), a fixed jaw (2) and a movable jaw (3) are arranged on the clamping jaw support (1), a movable jaw driving assembly (4) is arranged on the clamping jaw support (1), the movable jaw driving assembly (4) comprises a movable jaw driving shaft (5), a swing arm (6), a follower rod (7), a driving rod (8), a driving spring (9) and a spring baffle (10), one end of the fixed jaw (2) is fixedly connected with the clamping jaw support (1), a movable jaw driving shaft (5) is arranged below the fixed jaw (2), one end of the movable jaw (3) is hinged with the clamping jaw support (1), swing arms (6) are respectively arranged on two sides of one end of the movable jaw (3), follower rods (7) are respectively arranged on two sides of one end of the movable jaw (3), the middle part of the swing arm (6) is hinged with the clamping jaw support (1), one end of the swing arm (6) is provided with a first adjusting hole (11), the other end of the swing arm is provided with a second adjusting hole (12), one end of the follower rod (7) is fixedly connected with the movable jaw (3), the other end of the first adjusting hole (11) penetrates through the first adjusting hole (11), the first adjusting hole (11) is arranged on the outer side of the movable jaw support (8), and the movable jaw (8) is connected with the driving rod (8), actuating lever (8) one end and movable claw drive shaft (5) fixed connection, the other end pass second regulation hole (12) and arrange second regulation hole (12) outside in, movable claw drive shaft (5) and second regulation hole (12) sliding connection, movable claw drive shaft (5) lower extreme passes clamping jaw support (1), driving spring (9), spring baffle (10) in proper order and is the free drive end, movable claw drive shaft (5) and clamping jaw support (1) sliding connection, spring baffle (10) and movable claw drive shaft (5) fixed connection, driving spring (9) upper end and clamping jaw support (1) counterbalance are leaned on, and the lower extreme leans on with spring baffle (10) counterbalance, and driving spring (9) are compression state, and driving spring (9) drive movable claw drive shaft (5) downstream for terminal surface and stationary dog (2) up end counterbalance are leaned on closed under movable claw (3).

2. A bag holding device as claimed in claim 1, wherein: the movable claw is characterized in that an axle connecting plate (13) is arranged at the upper end of the movable claw driving shaft (5), the lower end of the axle connecting plate (13) is fixedly connected with the movable claw driving shaft (5), two sides of the axle connecting plate (13) are fixedly connected with the two driving rods (8), a guide plate (14) is arranged on the side face of the axle connecting plate (13) along the lifting direction of the movable claw driving shaft (5), the side face of the axle connecting plate (13) is abutted against the guide plate (14), and the guide plate (14) is fixedly connected with the clamping jaw support (1).

3. A bag holding device according to claim 1 or 2, wherein: the other end of the follow rod (7) penetrates through the first adjusting hole (11) to be provided with a first baffle (15), the outer diameter of the first baffle (15) is larger than the width of the first adjusting hole (11), the first baffle (15) is fixedly connected with the follow rod (7), the first baffle (15) abuts against the swing arm (6) to be connected in a sliding mode, the other end of the driving rod (8) penetrates through the second adjusting hole (12) to be provided with a second baffle (16), the outer diameter of the second baffle (16) is larger than the width of the second adjusting hole (12), the second baffle (16) is fixedly connected with the driving rod (8), and the second baffle (16) abuts against the swing arm (6) to be connected in a sliding mode.

4. A clamping jaw drive arrangement, includes mount (17), its characterized in that: the bag clamping devices (18) of claim 1 or 2 are arranged on two sides of the fixing frame (17) in a mirror image mode, the clamping jaw supports (1) of the two bag clamping devices (18) are respectively connected with the fixing frame (17) in a sliding mode, the fixing frame (17) is provided with a clamping driving mechanism (19), the clamping driving mechanism (19) is connected with the clamping jaw supports (1), and the two clamping jaw supports (1) are driven by the clamping driving mechanism (19) to be close to or far away from each other.

5. A jaw drive arrangement according to claim 4, wherein: the clamping driving mechanism (19) comprises a linkage frame (20), a left moving plate (21), a right moving plate (22), a left linkage plate (23), a right linkage plate (24), linkage rods (25) and a driving source (26), wherein the left moving plate (21) and the right moving plate (22) are arranged on two sides of the fixing frame (17), the linkage frame (20) is arranged in the middle of the lower end of the fixing frame (17), two clamping jaw supports (1) are fixed on the left moving plate (21) and the right moving plate (22), the left moving plate (21) is connected with the fixing frame (17) in a sliding manner, the right moving plate (22) is connected with the fixing frame (17) in a sliding manner, the linkage frame (20) is fixedly connected with the fixing frame (17), a linkage groove (27) is arranged in the middle of the linkage frame (20), the left linkage plate (23) and the right linkage plate (24) are arranged below the linkage frame (20), the linkage rods (25) are arranged in the linkage groove (27) in a penetrating manner, one end of the left linkage plate (23) is hinged with the left moving plate (21), the other end of the right linkage plate (24) is connected with the linkage rod (25), and the linkage rod (25) is connected with the inner wall of the linkage groove (25) and the driving source (25), the left moving plate (21) and the right moving plate (22) are driven to approach or separate from each other.

6. A jaw drive arrangement according to claim 5, wherein: the utility model discloses a guide mechanism for the mobile phone, including mount (17), direction canceling release mechanical system (28) are equipped with direction reset mechanism (28), direction canceling release mechanical system (28) are including direction baffle (29), guiding axle (30) and reset spring (31), fixed guide rail (32) that are equipped with on mount (17), both sides are equipped with direction baffle (29) respectively in the middle of mount (17), and two direction baffles (29) are located between left side movable plate (21) and right side movable plate (22), direction baffle (29) and mount (17) fixed connection, be equipped with the guiding hole on direction baffle (29), all be provided with guiding axle (30) between left side movable plate (21) and the direction baffle (29) and between right side movable plate (22) and direction baffle (29), the cover has reset spring (31) on guiding axle (30), and guiding axle (30) one end leans on with left side movable plate (21) or right side movable plate (22) offset, and the other end leans on with direction baffle (29) offset.

7. A jaw drive arrangement according to claim 5 or 6, wherein: be equipped with positioning mechanism (33) on mount (17), positioning mechanism (33) are including locating plate (34) and positioning screw (35), the mount (17) left and right sides is equipped with locating plate (34) respectively, and locating plate (34) are located the left side of left movable plate (21) or the right side of right movable plate (22), locating plate (34) set up with left movable plate (21) or right movable plate (22) interval, locating plate (34) and mount (17) fixed connection, be equipped with the screw hole on locating plate (34), be equipped with positioning screw (35) on locating plate (34), positioning screw (35) pass locating plate (34) and lean on with left movable plate (21) or right movable plate (22) counterbalance, positioning screw (35) and locating plate (34) threaded connection.

8. A jaw drive arrangement according to claim 5 or 6, wherein: the driving source (26) is a driving cylinder, the driving cylinder is fixedly connected with the fixing frame (17), and a telescopic rod of the driving cylinder abuts against the linkage rod (25).

9. A jaw drive arrangement according to claim 6, wherein: and a limiting nut (36) is arranged at one end of the guide shaft (30) penetrating through the guide baffle (29), and the guide shaft (30) is in threaded connection with the limiting nut (36).