CN116141357A - Adjustable self-adaptive clamp - Google Patents
Adjustable self-adaptive clamp Download PDFInfo
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- CN116141357A CN116141357A CN202310411650.4A CN202310411650A CN116141357A CN 116141357 A CN116141357 A CN 116141357A CN 202310411650 A CN202310411650 A CN 202310411650A CN 116141357 A CN116141357 A CN 116141357A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/0014—Gripping heads and other end effectors having fork, comb or plate shaped means for engaging the lower surface on a object to be transported
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/02—Gripping heads and other end effectors servo-actuated
- B25J15/0206—Gripping heads and other end effectors servo-actuated comprising articulated grippers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/08—Gripping heads and other end effectors having finger members
- B25J15/10—Gripping heads and other end effectors having finger members with three or more finger members
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention relates to the technical field of mechanical equipment, in particular to an adjustable self-adaptive clamp which is used for grabbing material bags and comprises a connecting component, a clamping component connected to the lower side of the connecting component and a clamping jaw component connected to the lower side of the clamping component; the clamping jaw assembly comprises a mounting seat, a driving assembly arranged on the mounting seat and a plurality of clamping jaws with adjustable intervals arranged on the driving assembly, wherein the clamping jaws can synchronously move under the driving of the driving assembly to puncture a material bag so as to grab or withdraw the material bag to separate from the material bag; at least one or both ends of the jaws may be disengaged from the drive assembly to release the gripping or separating action of the bag. The invention has the characteristics of being suitable for grabbing, carrying and recycling the material bags with different specifications and convenient for recycling the waste bags.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to an adjustable self-adaptive clamp.
Background
In the vanadium product processing process, industrial wastewater containing a large amount of highly toxic high vanadium ions is generated, the wastewater is required to be subjected to special treatment to be discharged, and the industrial wastewater is mainly treated by a neutralization reduction chemical method at present: namely, when the wastewater is subjected to reduction neutralization treatment, GBS reagent and alkali are added into a reaction tank according to a certain proportion, and the GBS reagent and the alkali are utilized to separate high vanadium ions and other harmful substances.
At present, GBS medicaments and alkali are in the form of bagged materials of two different specifications, different material piles are formed through manual work or stacking, grabbing is performed through manual work or equipment, bag breaking is performed through manual work or equipment, the bag breaking is added to a reaction tank, and finally, the rest waste bags are recycled through manual work or equipment, so that the following problems exist: 1. when the method is carried out manually, the labor intensity of workers is high, GBS medicaments and alkali have corrosiveness and micro toxicity, dust is easily raised during carrying and bag breaking, and the skin and respiratory tract of the workers are damaged, so that personal injury is caused to the workers; 2. when adopting equipment, because GBS medicament and alkali's material bag specification is different, lead to the equipment unable to carry out effective discernment to the two and snatch, mostly need two equipment to carry out the operation alone, cause the increase of cost, and to stacking requirement is high, very easily cause snatch inefficacy or damage material bag because the stack is irregular, still lead to the material bag to drop or the material to reveal midway because the design of snatching the structure is unreasonable after snatching the transport simultaneously, still can lead to the problem of broken bag effect poor, residual material more because of with broken bag structural fit problem or broken bag structural design unreasonable when broken bag, after accomplishing broken bag, current equipment does not have fine mode yet to realize complete waste bag recovery, unload the bag and often normally go on, lead to the unable repeated operation of equipment, still need manual intervention.
In view of the above, the present invention aims to provide a clamp for gripping and transporting material bags and recycling waste bags with different specifications.
Disclosure of Invention
The invention aims to provide an adjustable self-adaptive clamp which has the characteristics of being convenient for grabbing, carrying and recycling waste bags, and is suitable for material bags of different specifications.
The aim of the invention is mainly realized by the following technical scheme: an adjustable self-adaptive clamp is used for grabbing a material bag and comprises a connecting component, a clamping component connected to the lower side of the connecting component and a clamping jaw component connected to the lower side of the clamping component; the clamping jaw assembly comprises a mounting seat, a driving assembly arranged on the mounting seat and a plurality of clamping jaws with adjustable intervals arranged on the driving assembly, wherein the clamping jaws can synchronously move under the driving of the driving assembly to puncture a material bag so as to grab or withdraw the material bag to realize separation; at least one or both ends of the jaws may be disengaged from the drive assembly to release the gripping or separating action of the bag.
Based on the technical scheme, the connecting component and the clamping component are connected in a swinging way through the universal joint connecting structure.
Based on the technical scheme, the swing restraint assembly is further included; the swing restraint assembly comprises a rotation restraint piece arranged on the connecting assembly and a fixed restraint piece arranged on the clamping assembly; the rotation restraint piece comprises a restraint power source connected to the connecting component in a swinging way, a rotating arm connected with the power end of the restraint power source in a rotating way, a driven shaft fixedly connected with the rotating arm and connected to the connecting component in a rotating way, and a restraint body fixed on the driven shaft; the restraint power source can drive the driven shaft and the restraint body to synchronously rotate through the rotating arm, so that the restraint body is driven to rotate to be opposite to or staggered with the fixed restraint piece to form mutual blocking or unblocking.
Based on the technical scheme, the position that the restraint body and the fixed restraint piece blocked each other is all detachable and is connected with the wearing part.
Based on the technical scheme, the connecting assembly outside still is connected with annular platform, restraint power supply, driven shaft all are connected on annular platform.
Based on the technical scheme, the clamping assembly comprises a connecting seat connected with the connecting assembly, and a clamping seat connected with the clamping jaw assembly is arranged at the lower end of the connecting seat; the connecting seat is also provided with a hanging piece, and the clamping jaw can be hung on the hanging piece after being separated from the driving relation with the driving component.
Based on the technical scheme, two groups of clamping seats are oppositely arranged at intervals at the lower end of the connecting seat, and each group of clamping seat is connected with a group of clamping jaw assemblies; the clamping jaws of the two groups of clamping jaw assemblies can be driven by the respective driving assemblies to rotate relatively so as to grab the material bag between the two clamping jaws or separate the material bag from the two clamping jaws.
Based on the technical scheme, each group of clamping seats are respectively provided with two clamping seats at intervals, and each group of two clamping seats are respectively arranged opposite to the other group of two clamping seats and are adjustable in horizontal position.
Based on the technical scheme, the connecting seat is provided with a positioning groove, and the upper end of the clamping seat is provided with a positioning connector which can be connected in the positioning groove in a sliding way; the connecting seat is further provided with an adjustable locking handle, the connecting seat is provided with a through hole groove communicated with the positioning groove, and the locking end of the locking handle can be locked to the positioning joint of the positioning groove through the through hole groove so as to lock the clamping seat.
Based on the technical scheme, the driving assembly comprises a rotating shaft, a crankshaft assembly and a driving source, wherein the rotating shaft is rotatably connected to the mounting seat, the crankshaft assembly is fixedly connected with the rotating shaft, the driving source is connected to the mounting seat in a swinging mode, and the driving end of the driving source is connected with the crankshaft assembly so as to drive the rotating shaft to rotate through the crankshaft assembly; the rotary shaft is coaxially provided with a plurality of positioning keys which are arranged at intervals, and the clamping jaw is provided with a key slot so as to be sleeved on the rotary shaft in a matched mode through the key slot and the positioning keys.
Based on the technical scheme, at least one or two ends of the clamping jaw are also provided with an adjusting component; the adjusting assembly comprises an adjusting plate fixedly connected with the mounting seat and a limiting block arranged on the adjusting plate; the adjusting plate is provided with a sliding groove and a plurality of matching holes which are arranged at intervals in a straight line side by side, the limiting block is provided with a trapezoid block which penetrates through the sliding groove to limit the limiting block to slide along the sliding groove, the limiting block is also provided with a screw hole which can be aligned with any matching hole, and the screw hole can be matched with a threaded connecting piece which penetrates through the matching hole through threads to fix the limiting block and the adjusting plate; the limiting block is at least provided with a space for installing and rotating the clamping jaw so as to keep the installation position of the clamping jaw and separate from the driving relation with the driving assembly after the clamping jaw rotates; at least one of the matching holes and the positioning key of the clamping jaw corresponding to the matching hole are staggered in the axial direction of the rotating shaft.
Compared with the prior art, the invention has the following beneficial effects: the connecting component can be used for connecting an external device such as a multi-axis robot to the self-adaptive clamp, so that the self-adaptive clamp is convenient to install, meanwhile, the connecting component and the clamping component are connected through the universal joint connecting structure, so that the clamping jaw component can swing in a small amplitude when in gripping, a certain adaptation can be performed according to the appearance of the material bag, the clamping jaw component can be more attached to the placement form of the material bag, the gripping precision and the stability of the material bag after gripping are improved, meanwhile, the swinging constraint component is utilized to constrain the clamping jaw component to limit the swinging of the clamping jaw component, the material bag can be stably gripped after gripping, the swing amplitude of the material bag is reduced, the stability of the material bag is ensured, the gripping action of the material bag and the stability of the material bag can be more uniformly maintained when the two groups of clamping jaw components are utilized to grip the material bag, the adaptation can be performed according to different specifications of the material bag, the clamping jaw component can be adjusted in a driving relation with the width and length according to the material bag, the adaptation effect is improved, the clamping jaw component can puncture the material bag when the material bag is used for gripping the material bag, the material bag can be effectively gripped, the gripping area of the material bag can be effectively and the material bag can be effectively gripped, the material bag can be easily is well gripped, and the bag can be easily is broken, and the bag can be gripped, is also can be easily and the bag can be easily and has the material can be safely used and has the device can be well can be used safely used.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is a schematic structural view of an adaptive clamp of the present invention;
FIG. 2 is a side view of the adaptive clamp of the present invention;
FIG. 3 is a front view of the adaptive clamp of the present invention;
FIG. 4 is a first schematic view of the connection assembly of the present invention;
FIG. 5 is a second schematic view of the connection assembly of the present invention;
FIG. 6 is a front view of the connection assembly;
FIG. 7 is a side view of the connection assembly;
FIG. 8 is a schematic structural view of a clamping assembly;
FIG. 9 is a side view of the clamping assembly;
FIG. 10 is a partial cross-sectional view of the clamping assembly;
FIG. 11 is a schematic structural view of a jaw assembly;
FIG. 12 is a side view of the jaw assembly;
FIG. 13 is a top view of the jaw assembly;
FIG. 14 is a partial cross-sectional view of the jaw assembly;
the reference numerals in the figures are respectively expressed as:
1. a connection assembly; 2. a clamping assembly; 3. a jaw assembly; 4. a mounting base; 5. a drive assembly; 6. a clamping jaw; 7. a gimbal connection structure; 8. a universal joint connector; 9. a universal shaft; 10. fixing the restraint; 11. restraining a power source; 12. a rotating arm; 13. a driven shaft; 14. a constraining body; 15. a wear part; 16. an annular platform; 17. a connecting seat; 18. a clamping seat; 19. a hanging piece; 20. a positioning groove; 21. positioning the joint; 22. a locking handle; 23. a through slot; 24. a rotating shaft; 25. a crankshaft assembly; 26. a driving source; 27. a positioning key; 28. a key slot; 29. an adjusting plate; 30. a limiting block; 31. a chute; 32. mating holes; 33. a trapezoid block; 34. screw holes.
Description of the embodiments
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
As shown in fig. 1-3, the present embodiment provides an adjustable self-adaptive clamp for grasping material bags, which comprises a connecting component 1, a clamping component 2 connected to the lower side of the connecting component 1, and a clamping jaw component 3 connected to the lower side of the clamping component 2; the clamping jaw assembly 3 comprises a mounting seat 4, a driving assembly 5 arranged on the mounting seat 4 and a plurality of clamping jaws 6 with adjustable intervals arranged on the driving assembly 5, wherein the clamping jaws 6 can synchronously move under the driving of the driving assembly 5 to puncture a material bag so as to grab or withdraw the material bag to realize separation; at least one or both ends of the jaws 6 may be disengaged from the drive assembly 5 in a driving relationship to release the gripping or separating action of the bag.
The connecting component 1 can be connected with external equipment such as a multi-axis robot so as to drive the whole self-adaptive clamp to act, the clamping jaw component 3 can be clamped with the clamping component 2 through the mounting seat 4 so as to be firmly connected to the connecting component 1, when the self-adaptive clamp is applied, the distance between the clamping jaws 6 can be adjusted according to the length of a material bag, the clamping jaws 6 can be used for uniformly grabbing the material bag, in addition, the redundant clamping jaws 6 can be separated from the material bag with small specification when the material bag is grabbed through the design of the clamping jaws 6 which can be separated from the driving component 5, further, the material bag can be prevented from acting when the material bag forms a stack to puncture other material bags, after the clamping jaws 6 are adjusted, the clamping jaws 6 can be driven to synchronously move through the driving component 5 so as to realize grabbing the material bag or withdraw the material bag after unloading is completed, and the actions of the self-adaptive clamp on grabbing the material bag and automatic unloading the material bag can be realized.
According to the embodiment, based on the structure, the clamping jaw 6 with adjustable intervals can adapt to the grabbing of material bags with different length specifications, and when grabbing material bags with shorter sizes, the clamping jaw located at one end or two end parts of the clamping jaws can be separated from a driving relation with the driving component, so that the clamping jaw is not involved in the actions of the rest clamping jaw 6, the rest material bags can be staggered to avoid the material bags from being grabbed or damaged, particularly, the material bags with orderly stacking can be grabbed by one bag, accurate material grabbing is realized, the stability after material grabbing is ensured, meanwhile, the material bags are grabbed by the mode that the clamping jaw 6 pierces the material bags, the material bags can be firmly supported by the whole body of the material bags, meanwhile, the subsequent material bags are also facilitated to be broken, the leakage area of the broken bags is increased, and the material residues are reduced.
Because the material bag is placed, the material bag cannot be determined to be in a state of expected requirements, the situation that the material bag is up-and-down fluctuant or has different actual thickness can possibly occur, at the moment, if the material bag cannot be adapted according to the form of a specific material bag during grabbing, the material bag cannot be uniformly supported after grabbing due to improper grabbing positions, and further the transportation stability of the material bag after grabbing and the integrity of the material bag are affected due to overlarge local gravity.
Based on this, the connection assembly 1 and the clamping assembly 2 are connected in a swingable manner by means of a universal joint connection 7. Through universal joint connection structure 7, coupling assembling 1 and clamping assembly 2 are after connecting, can carry out the swing of a small margin based on universal joint connection structure 7, and then the two can carry out adaptive relative position adjustment, when clamping jaw 6 needs snatch the material bag, can move down clamping jaw subassembly 3 until contact with the material bag, laminate through going towards with the general of material bag for clamping jaw subassembly 3 can better match the state of putting of material bag, and then make clamping jaw 6 can more adapt to putting of material bag when snatching, improve the degree of uniformity that snatchs, the material bag atress is even after snatching, the transportation is steady, also can not damage because of the local atress is too big.
When specifically using, the universal joint connection structure 7 includes two universal joint connectors 8 of the same structure, and universal joint connector 8 all is provided with cardan shaft 9, and one of them universal joint connector 8 is connected with coupling assembling 1, and remaining one universal joint connector 8 is connected with clamping assembly 2, and two universal joint connectors 8 are connected through being crisscross matched cardan shaft 9 formation, and then form universal joint connection structure 7. Specifically, the universal joint connector 8 comprises bottom plate and two curb plates, and two curb plate intervals set up relatively, and cardan shaft 9 then connects between two curb plates, and during the connection, the space between cardan shaft 9 and the bottom plate then carries out cardan shaft 9 installation and rotation as the installation and the rotation space of another cardan shaft 9 to after connecting cardan joint connector 8 each other can exist the universal regulation of a small circle after connecting, in order to adapt to putting of material bag.
When the material bag is grabbed and transported, stability of the material bag needs to be kept as much as possible, the material bag can shake due to movement in the subsequent transportation process, and after the universal joint connecting structure 7 is added, the stability of the material bag after grabbing can be ensured, but the stability of the material bag during transportation after grabbing can not be well ensured, so that the material bag is easy to shake along with the swinging of the clamping assembly 2, and grabbing of the material bag or leakage of materials can not be ensured even after shaking.
For this reason, as shown in fig. 3-8, the adaptive clamp of the present embodiment further includes a swing restraint assembly; the swing restraint assembly comprises a rotation restraint piece arranged on the connecting assembly 1 and a fixed restraint piece 10 arranged on the clamping assembly 2; the rotation restraint comprises a restraint power source 11 which is connected to the connecting component 1 in a swinging way, a rotating arm 12 which is connected with the power end of the restraint power source 11 in a rotating way, a driven shaft 13 which is fixedly connected with the rotating arm 12 and is connected to the connecting component 1 in a rotating way, and a restraint body 14 which is fixed on the driven shaft 13; the restraint power source 11 can drive the driven shaft 13 and the restraint body 14 to synchronously rotate through the rotating arm 12, so as to drive the restraint body 14 to rotate so as to be opposite to or staggered with the fixed restraint member 10 to form mutual blocking or unblocking.
In this swing restraint subassembly, after restraint power supply 11 starts, it can drive driven shaft 13 through the rotation arm 12 and rotate, and then drive the synchronous rotation of restraint body 14 on driven shaft 13, and when restraint body 14 rotates, it can rotate to blockking each other with fixed restraint 10, and then through the mutual blocking of fixed restraint 10 and restraint body 14, the relative motion of connecting assembly 1 and clamping assembly 2 that both are connected respectively is blocked, and then eliminate universal adjustment function of universal joint connection structure 7, and when needs, then accessible restraint body 14 rotates and is separated with fixed restraint 10 and unblock, and then do not influence universal adjustment function of universal joint connection structure 7 when snatching, and then realized adjustable self-adaptation anchor clamps swing restraint effect.
In specific application, in order to ensure the stability of constraint, two groups of swing constraint components are uniformly distributed on the outer side of the connecting component 1; in each set of the swing restraint assembly, two sets of the restraint body 14 and the fixed restraint 10 are correspondingly arranged. Based on this, four total fixed restraint pieces 10 set up in the coupling assembling 1 outside two by two, and then when restraint, four directions evenly receive the constraint force, also can ensure the vertical state of clamping assembly 2 when guaranteeing the restraint, ensure that the material bag can be according to snatching the steady transportation of state.
Specifically, the restraint body 14 is a cylindrical structure, and the fixed restraint 10 is vertically disposed. Further, the constraining body 14 is fixed on the driven shaft 13, and in each group of the swing constraining assemblies, two groups of constraining bodies 14 and two groups of fixed constraining pieces 10 are correspondingly arranged, and the two constraining bodies 14 are arranged on the driven shaft 13 at intervals. Further, the fixing restraint 10 is also of a cylindrical structure.
Specifically, the restraining power source 11 is a cylinder. Further, the front end of the air cylinder can be connected with the connecting component 1 through the shaft body, and then in the executing process, the air cylinder can swing around the shaft body, so that the track requirement in the moving process of the rotating arm 12 is ensured.
In order to ensure that the restraint body 14 rotates to block or unblock the fixed restraint 10, in this embodiment, when the restraint body 14 rotates to block the fixed restraint 10, a space of 0.5-1 mm is formed between the restraint body 14 and the fixed restraint 10, and even though there is a certain gap between the restraint body and the fixed restraint 10 during blocking, the connecting component 1 and the clamping component 2 still have slight shake, but can be ignored, and meanwhile, enough space is provided for separating the restraint body and the fixed restraint 10 when unblocking is needed.
Based on the above, when hindering each other, restraint body 14 rotates to fixed restraint 10 top and set up relatively, and then when coupling assembling 1 and clamping assembly 2 rock, restraint body 14 and fixed restraint 10 can hinder each other, and then prevent coupling assembling 1 and clamping assembly 2 relative swing, form the hindrance, and when restraint body 14 rotates to the fixed restraint 10 outside rather than staggering, coupling assembling 1 and clamping assembly 2 rock, restraint body 14 and fixed restraint 10 can not contact each other, and then can not influence coupling assembling 1 and clamping assembly 2 relative swing, remove the hindrance, can adapt to the material bag at this moment and put the state and carry out fine adaptation.
Because the restraint body 14 and the fixed restraint member 10 are arranged relatively to form a barrier, the contact positions of the restraint body 14 and the fixed restraint member 10 collide with each other and are stressed, wear can be formed in the past for a long time, and if the clearance between the restraint body 14 and the fixed restraint member 10 is too large due to excessive wear of the restraint body and the fixed restraint member, the restraint effect of the restraint body 14 and the fixed restraint member 10 can be influenced. The wear-resistant member 15 can be detachably connected by means of adhesion, screw connection or the like, so that the wear-resistant member is convenient to replace after subsequent wear while having a wear-resistant effect. In particular, the wear member 15 may be made of an alloy steel such as nichrome.
Furthermore, the outer side of the connecting component 1 is also connected with an annular platform 16, and the constraint power source 11 and the driven shaft 13 are both connected to the annular platform 16. The annular platform 16 is annular and is arranged outside the connecting component 1, so that stability of the connecting component 1 can be balanced, meanwhile, the annular platform can be used as an accessory and accessory mounting platform for mounting required accessories, accessories and the like, and can be also used as a supporting platform for circuits such as circuit lines and gas circuit pipes required by the self-adaptive clamp so as to meet the movement requirement of the self-adaptive clamp and external equipment.
As shown in fig. 8-11, the clamping assembly 2 comprises a connecting seat 17 connected with the connecting assembly 1, and a clamping seat 18 connected with the clamping jaw assembly 3 is arranged at the lower end of the connecting seat 17; the connecting seat 17 is also provided with a hanging piece 19, and the clamping jaw 6 can be hung on the hanging piece 19 after being separated from the driving relation with the driving assembly 5.
The clamping component 2 is mainly used for realizing the pairing connection of the clamping jaw component 3 and the connecting component 1, when the clamping component is applied, the connecting seat 17 is used as the main structure of the clamping component 2 and can be set to be of a horizontal plate body structure, and is mainly used for pairing with the connecting component 1 and carrying the clamping jaw component 3 through the clamping seat 18, and in order to ensure that the clamping jaw 6 and the driving component 5 are not influenced after being separated from a driving relation, the material bag is normally grabbed and the rest of the material bag is protected, and the hanging piece 19 of the connecting seat 17 can well hang the corresponding clamping jaw 6, so that the normal use of the self-adaptive clamp is not influenced.
In particular, the hanging member 19 is a horizontal rod structure that is detachably connected. Specifically, the hanging piece 19 is a cylinder in threaded connection with the connection seat 17.
Because the specifications of the material bags are different, the weight of the materials in the material bags with certain specifications is heavier, when the clamping jaw 6 is used for grabbing, if the clamping jaw 6 is unreasonable in design or uneven in grabbing position, the materials can not be grabbed and conveyed normally,
based on this, in this embodiment, two sets of clamping seats 18 are disposed at opposite intervals at the lower end of the connecting seat 17, and each set of clamping seat 18 is connected with a set of clamping jaw assembly 3; the clamping jaws 6 of the two groups of clamping jaw assemblies 3 can be driven by the respective driving assemblies 5 to rotate relatively so as to grab the material bag between the clamping jaws or separate the material bag from the clamping jaws. According to the embodiment, two groups of oppositely arranged clamping jaw assemblies 3 are utilized to correspondingly grab the material bags at the relative positions of the material bags in the outer side directions of the material bags, so that the material bags are grabbed between the two groups of clamping jaw assemblies 3, the material bags are evenly punctured by the clamping jaws 6 at the two sides, uneven stress of the material bags can be avoided, the material bags are further torn at the puncturing positions of the clamping jaws 6, the overall postures of the material bags can be better stably grabbed and kept, the stability is improved, and the integrity and the reliability of grabbing and conveying of the material bags are further improved.
On this basis, two clamping seats 18 are arranged at intervals in each group, and each group of two clamping seats 18 are arranged opposite to the other group of two clamping seats 18 and are adjustable in horizontal position.
When the material bag is applied, the width of the material bag is also greatly changed except for the length change due to the specification change, so that the self-adaptive clamp can be more suitable for grabbing material bags with multiple specifications, the two groups of clamping seats 18 of the embodiment are designed to be oppositely arranged relative to one another, each group of the two clamping seats 18 are oppositely arranged with the two clamping seats 18 of the other group, the horizontal position of the two clamping seats is adjustable, when the clamping seats 18 are correspondingly arranged for different material bags, the corresponding clamping jaw assemblies 3 can be adjusted according to the width of the material bag, then the material bag is used for grabbing after being matched, and therefore, the material bag can be better matched with the clamping jaw assemblies 3 in length and width by combining with the adjustment of the spacing of the clamping jaws 6, and the grabbing effect is improved.
As a possible adjusting structure, the connecting seat 17 is provided with a positioning groove 20, and the upper end of the clamping seat 18 is provided with a positioning joint 21 which can be slidably connected in the positioning groove 20; the connecting seat 17 is also provided with an adjustable locking handle 22, the connecting seat 17 is provided with a through slot 23 communicated with the positioning slot 20, and the locking end of the locking handle 22 can be locked onto the positioning joint 21 of the positioning slot 20 through the through slot 23 so as to lock the clamping seat 18.
When the clamping seat 18 is used, the clamping seat 18 is connected into the positioning groove 20 through the positioning connector 21, the movable connection structure of the clamping seat and the connecting seat 17 is realized, when the width of a material bag needs to be adjusted, the clamping seat 18 can be slid, the distance between the clamping seats 18 is adjusted, after the distance adjustment is completed, the positioning connector 21 can be locked by utilizing the locking end of the locking handle 22 through adjusting the locking handle 22, the clamping seat 18 is locked, and the distance adjustment between the clamping seats 18, namely between the two clamping jaw assemblies 3 can be realized.
As shown in fig. 12-13, the driving assembly 5 includes a rotating shaft 24 rotatably connected to the mounting base 4, a crankshaft assembly 25 fixedly connected to the rotating shaft 24, and a driving source 26 swingably connected to the mounting base 4, where a driving end of the driving source 26 is connected to the crankshaft assembly 25 so as to drive the rotating shaft 24 to rotate through the crankshaft assembly 25; the rotating shaft 24 is coaxially provided with a plurality of positioning keys 27 which are arranged at intervals, and the clamping jaw 6 is provided with a key slot 28 so as to be sleeved on the rotating shaft 24 in a matched mode through the key slot 28 and the positioning keys 27.
In practice, according to the specification of the material bag, that is, the length requirement, the clamping jaw 6 can slide along the positioning key 27 to adjust the respective distance, and realize synchronous rotation connection with the rotating shaft 24 under the assembly condition that the key slot 28 is matched with the positioning key 27, and when the synchronous relation needs to be released, the clamping jaw 6 can slide to the key slot 28 to be separated from the positioning key 27, so that the clamping jaw 6 is sleeved on the rotating shaft 24, when the clamping jaw assembly 3 is required to grip or separate the material bag, the driving source 26 is started, the driving end of the driving source moves to drive the crank assembly 25 to move, the crank assembly 25 drives the rotating shaft 24 to rotate, and the clamping jaw 6 on the driving source can rotate along with the rotating shaft 24, further rotate to one side of the material bag to puncture the material bag to grip, or withdraw the material bag to separate from the clamping jaw 6 under the action of self gravity.
In the specific implementation, the crankshaft assembly 25 is a crankshaft hinged to the driving end of the driving source 26, and the crankshaft is rotationally connected with a crankshaft seat, which is fixedly connected with the rotating shaft 24 to form a rotatable crankshaft connecting structure.
In particular embodiments, the drive source 26 is also a cylinder. Further, the front end of the cylinder can be connected with the supporting structure through the shaft body, the supporting structure is connected to the mounting seat 4, and in the executing process, the cylinder can swing around the shaft body, so that the track requirement in the moving process of the crankshaft assembly 25 is ensured.
Specifically, bearing structure is for the slope connect in the backup pad in the mount pad 4 one end outside, through the axis body with the cylinder front end rotates in the backup pad to be connected, and then through the backup pad of slope, can set up driving source 26 slope, not only make it form better motion subassembly with bent axle subassembly 25, pivot 24, reduce mutual clamping shell, also can avoid driving source 26 to influence the action of another group clamping jaw subassembly 3 simultaneously.
Specifically, in order to ensure that the clamping jaw 6 maintains a relative position after being connected with the rotating shaft 24, the clamping jaw 6 can be further provided with a hoop structure, and the hoop structure is directly sleeved on the rotating shaft 24, so that a more stable sleeved relation between the clamping jaw and the rotating shaft is realized. Further, the staple bolt structure includes the area that sets up on the clamping jaw 6 the staple bolt main part of keyway 28 still includes the arc mating member that passes through bolted connection with the staple bolt main part to can realize the firm pairing of two according to the bolt, and the firm degree of two is adjusted to the pairing thread number of accessible adjusting bolt, also can ensure that clamping jaw 6 can not slide by oneself when guaranteeing clamping jaw 6 slidable.
In a specific application, the clamping jaw 6 is in an arc-shaped hook structure, and the end part of the hook structure is in a pointed structure so as to better puncture the material bag.
As shown in fig. 13-14, at least one or both ends of the jaws 6 are further provided with an adjustment assembly; the adjusting assembly comprises an adjusting plate 29 fixedly connected with the mounting seat 4 and a limiting block 30 arranged on the adjusting plate 29; the adjusting plate 29 is provided with a chute 31 and a plurality of matching holes 32 arranged at intervals in a straight line side by side, the limiting block 30 is provided with a trapezoid block 33 penetrating through the chute 31 to limit the limiting block 30 to slide along the chute 31, the limiting block 30 is also provided with a screw hole 34 which can be aligned with any matching hole 32, and the screw hole 34 can be matched with a threaded connecting piece penetrating through the matching hole 32 through threads to fix the limiting block 30 and the adjusting plate 29; the limiting block 30 is provided with at least one space for installing and rotating the clamping jaw 6 so as to keep the installation position of the clamping jaw 6 and separate from the driving relation with the driving assembly 5 after the clamping jaw 6 rotates; at least one mating hole 32 of the mating holes 32 and the positioning key 27 of the corresponding clamping jaw 6 are staggered in the axial direction of the rotating shaft 24.
In this embodiment, since the clamping jaw 6 at one end or two ends of the clamping jaw 6 needs to be adjusted frequently, in order to ensure the positioning effect after adjustment, and meanwhile, in order to ensure that the clamping jaw 6 can be kept in a separated relation after being separated from the driving relation with the rotating shaft 24, an adjusting component is added in this embodiment, the axial position of the clamping jaw 6 on the rotating shaft 24 can be limited by using the design of the limiting block 30, meanwhile, a space for installing and rotating the clamping jaw 6 is provided, the installation and normal rotation adjustment of the clamping jaw 6 are ensured, meanwhile, any one of the matching holes 32 is matched by using the screw hole 34, the locking of any position of the limiting block 30 can be realized, the displacement of the clamping jaw 6 is limited by using the limiting block 30, meanwhile, the trend of the clamping jaw 6 can be ensured by using the matching relation of the sliding groove 31 and the trapezoid block 33, the movement of the clamping jaw is further guided, the matching of the matching holes 32 and the screw hole 34 are avoided, and at least one of the matching holes 32 and the positioning key 27 of the corresponding clamping jaw 6 are staggered in the axial direction of the rotating shaft 24, and the clamping jaw 6 can be ensured, after the driving relation of the clamping jaw 6 and the rotating shaft 24 is relieved, the clamping jaw 6 can be kept in a state of always keeping the clamping jaw 6 in a limited position by the outside by the limiting key.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. An adjustable self-adaptive clamp is used for grabbing a material bag and is characterized by comprising a connecting component, a clamping component connected to the lower side of the connecting component and a clamping jaw component connected to the lower side of the clamping component;
wherein,,
the clamping jaw assembly comprises a mounting seat, a driving assembly arranged on the mounting seat and a plurality of clamping jaws with adjustable intervals arranged on the driving assembly, wherein the clamping jaws can synchronously move under the driving of the driving assembly to puncture a material bag so as to grab or withdraw the material bag to realize separation;
at least one or both ends of the jaws may be disengaged from the drive assembly to release the gripping or separating action of the bag.
2. The adaptive clamp of claim 1, wherein the connection assembly and the clamping assembly are swingably connected by a universal joint connection.
3. The adaptive clamp of claim 2, further comprising a swing restraint assembly;
the swing restraint assembly comprises a rotation restraint piece arranged on the connecting assembly and a fixed restraint piece arranged on the clamping assembly;
the rotation restraint piece comprises a restraint power source connected to the connecting component in a swinging way, a rotating arm connected with the power end of the restraint power source in a rotating way, a driven shaft fixedly connected with the rotating arm and connected to the connecting component in a rotating way, and a restraint body fixed on the driven shaft;
the restraint power source can drive the driven shaft and the restraint body to synchronously rotate through the rotating arm, so that the restraint body is driven to rotate to be opposite to or staggered with the fixed restraint piece to form mutual blocking or unblocking.
4. A self-adapting clamp according to claim 3, wherein the positions where the restraining body and the fixed restraining member block each other are detachably connected with the wear-resistant member.
5. The self-adaptive clamp according to claim 1, wherein the clamping assembly comprises a connecting seat connected with the connecting assembly, and a clamping seat connected with the clamping jaw assembly is arranged at the lower end of the connecting seat;
the connecting seat is also provided with a hanging piece, and the clamping jaw can be hung on the hanging piece after being separated from the driving relation with the driving component.
6. The self-adaptive clamp according to claim 5, wherein two groups of clamping seats are arranged at the lower end of the connecting seat at opposite intervals, and each group of clamping seat is connected with a group of clamping jaw assemblies;
the clamping jaws of the two groups of clamping jaw assemblies can be driven by the respective driving assemblies to rotate relatively so as to grab the material bag between the two clamping jaws or separate the material bag from the two clamping jaws.
7. The self-adaptive clamp according to claim 6, wherein two clamping seats are arranged at intervals in each group, and each group of two clamping seats is opposite to the other group of two clamping seats and is adjustable in horizontal position.
8. The self-adaptive clamp according to claim 1, wherein the driving assembly comprises a rotating shaft rotatably connected to the mounting seat, a crankshaft assembly fixedly connected with the rotating shaft, and a driving source swingably connected to the mounting seat, and the driving end of the driving source is connected with the crankshaft assembly to drive the rotating shaft to rotate through the crankshaft assembly;
the rotary shaft is coaxially provided with a plurality of positioning keys which are arranged at intervals, and the clamping jaw is provided with a key slot so as to be sleeved on the rotary shaft in a matched mode through the key slot and the positioning keys.
9. The adaptive clamp of claim 8, wherein at least one or both ends of the plurality of jaws are further configured with an adjustment assembly;
the adjusting assembly comprises an adjusting plate fixedly connected with the mounting seat and a limiting block arranged on the adjusting plate;
the adjusting plate is provided with a plurality of matching holes which are arranged at intervals in a straight line, the limiting block is provided with a screw hole which can be aligned with any matching hole, and the screw hole can be matched through threads and penetrates through a threaded connecting piece of the matching hole to fix the limiting block and the adjusting plate;
the limiting block is at least provided with a space for installing and rotating the clamping jaw so as to keep the installation position of the clamping jaw and separate from the driving relation with the driving assembly after the clamping jaw rotates;
at least one of the matching holes and the positioning key of the clamping jaw corresponding to the matching hole are staggered in the axial direction of the rotating shaft.
10. The self-adaptive clamp according to claim 9, wherein the adjusting plate is further provided with sliding grooves at intervals side by side along the arrangement direction of the mating holes, and the limiting block is further provided with a trapezoid block penetrating through the sliding grooves to limit the limiting block to slide along the sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310411650.4A CN116141357B (en) | 2023-04-18 | 2023-04-18 | Adjustable self-adaptive clamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310411650.4A CN116141357B (en) | 2023-04-18 | 2023-04-18 | Adjustable self-adaptive clamp |
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| CN116141357A true CN116141357A (en) | 2023-05-23 |
| CN116141357B CN116141357B (en) | 2023-06-16 |
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| CN202310411650.4A Active CN116141357B (en) | 2023-04-18 | 2023-04-18 | Adjustable self-adaptive clamp |
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| CN116141357B (en) | 2023-06-16 |
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