CN217477644U - Variable-pitch clamping device and laver sheet cutting and canning device with same - Google Patents

Abstract

The invention relates to a variable-pitch clamping device which comprises a main frame, a translation frame, a variable-pitch assembly, a curved rail, a translation driving piece and guide rods, wherein the main frame is a frame structural piece with four sides, the guide rods are arranged on the front side surface and the rear side surface of the main frame and are positioned in the main frame, and the number of the guide rods is preferably 2. Bend fixed mounting is on the left and right sides curb girder of main frame, and the displacement subassembly sets up on the bend, and translation frame just can produce the removal motion under the effect of translation driving piece, and this technical scheme replaces manual work and high equipment input in order to accomplish automatic canning behind the operation of cutting of above-mentioned food, realizes the automation mechanized operation of above-mentioned process, and is simple, practical, reliable, with low costs, efficient.

Description

Variable-pitch clamping device and laver slice cutting and canning device provided with variable-pitch clamping device

Technical Field

The invention relates to a clamping device, in particular to a variable-pitch clamping device, and belongs to the technical field of food processing machinery.

Background

In only a few years, with the diversification and development of deep-processed laver food varieties, various instant laver sheets and laver compound foods are continuously researched and developed and put on the market, and are popular with users, such as single laver sheets, sandwich laver cakes and the like. Such food products are susceptible to deterioration by moisture and require sealed packaging for sale. In order to meet the requirements of diversified packaging forms such as canning and bagging of the products, the laver food is required to be cut and packaged. The current corresponding technology in the market adopts monomer to cut the subassembly and carry out the laver and cut, then counts (weighs) the tinning operation by the manual work, or introduces the automatic weighing tinning equipment of general food industry and carries out the tinning operation, and is inefficient, user's investment cost is high, and uses adaptability effect poor, and technical personnel in this field try different schemes to solve above-mentioned problem always, but the effect is all nonideal, consequently, urgent needs a new scheme to solve above-mentioned technical problem.

Disclosure of Invention

The invention provides a variable-pitch material clamping device aiming at the problems in the prior art, and the technical scheme is used for automatically canning the food after the food is cut, replacing manual operation and high equipment investment, realizing the automatic operation of the technical process, and being simple, practical, reliable, low in cost and high in efficiency. The variable-pitch material clamping device can clamp and take the laver sheets (blocks) which are closely abutted after being cut, automatically turn over the laver sheets (blocks) downwards and automatically pull the distance between the laver sheets (blocks) to accurately feed the laver sheets by corresponding to the centers of the openings of the material tanks which are distributed one by one, and solves the technical problem that the laver sheets (blocks) cannot be directly canned due to the fact that the distance between the centers of the tanks is not equal to the distance between the materials in the process of cutting and canning.

In order to achieve the above object, according to the technical solution of the present invention, the variable pitch material clamping device is characterized in that the variable pitch material clamping device comprises a main frame (rack), a translation frame, a pitch assembly, a curved rail, a translation driving member, and guide rods, wherein the main frame is a frame structure member having four sides, the guide rods are installed on front and rear side surfaces of the main frame, and are located inside the main frame, and the number of the guide rods is preferably 2. The bent rail is fixedly installed on the left side beam and the right side beam of the main frame, the variable-pitch assembly is arranged on the bent rail, and the translation frame can move under the action of the translation driving piece.

The translation frame comprises a main beam, a left side plate, a right side plate, through holes arranged on the left side plate and the right side plate and guide sleeves arranged on the main beam, and the translation frame is matched and connected with the guide rod through the guide sleeves on the translation frame, so that the translation frame can slide in the main frame along the axial direction of the guide rod; the translation driving part is preferably of a cylinder type, the body of the translation driving part is fixedly arranged on the front (or rear) edge of the main frame, and the end part of the telescopic rod of the translation driving part is fixedly connected with the main beam of the translation frame, so that the translation frame can move under the action of the translation driving part.

The variable pitch assembly takes a rodless cylinder as a main body, the rodless cylinder comprises a cylinder seat A, a guide shaft, a sliding seat and a cylinder seat B, the guide shaft is fixedly arranged on the cylinder seat A and the cylinder seat B and is positioned between the two cylinder seats, and the sliding seat is connected with the guide shaft in a sliding fit manner by utilizing a through hole of a body of the sliding seat, so that the sliding seat on the sliding seat can do reciprocating linear motion along the axial direction of the guide shaft under the driving of compressed air; the variable-pitch assembly further comprises a shaft head A, a variable-pitch connecting rod, a clamping piece, a shaft head B and a rocker bearing, wherein the shaft head A and the shaft head B are fixedly mounted on the cylinder seat A and the cylinder seat B respectively and face to the outer side along the axial direction of the guide shaft, and the shaft head A and the shaft head B are rotatably connected with through holes in left and right side plates of the translation frame respectively, so that the variable-pitch assembly and the translation frame can be rotatably combined together, the variable-pitch assembly can move along with the translation frame, and meanwhile, the variable-pitch assembly can rotate (swing) at a certain angle around the axes of the shaft head A and the shaft head B at the lower part of the translation frame.

The rocker bearing is fixedly arranged on the shaft head or the shaft head, and the rocker bearing is a driving piece for generating deflection by the variable pitch assembly; the variable-pitch connecting rods are connected with each other by utilizing the connecting holes on the body of the variable-pitch connecting rods to form a plurality of groups of parallelogram mechanisms, and two ends of each group of parallelogram mechanisms are respectively hinged with the sliding seat and the cylinder seat, so that the groups of parallelogram mechanisms can be stretched or compressed by the sliding seat along with the sliding motion of the sliding seat.

The clamping piece takes a finger cylinder body as a main body, and is provided with a clamping claw, a rotating shaft, a through hole and other characteristic structures, wherein the clamping claw is an extension piece of the clamping claw arranged on the finger cylinder body, the clamping claw and the rotating shaft are integrally installed to be more suitable for clamping blocks with specific shapes and sizes, the rotating shaft is arranged at the upper part of the clamping piece and is hinged with a middle hole of the variable-pitch connecting rod, and the through hole is connected with a guide shaft of the rodless cylinder in a sliding fit manner, so that the clamping piece can move on the guide shaft along with the extension and retraction of a plurality of groups of hinged parallel connecting rod mechanisms consisting of a plurality of variable-pitch connecting rods, and the change of the distance between adjacent clamping pieces is realized.

The cross section of the curved rail is of a groove structure with an opening on one side, the curved rail is composed of a vertical part, an arc part and a horizontal part, the curved rail is fixedly installed on a left (right) side beam of the main frame, the groove opening of the curved rail faces inwards, a rocker bearing on the variable pitch assembly is clamped in a ring groove of the curved rail, when the variable pitch assembly moves along with the translation frame from A to B direction shown in figure 1, the variable pitch assembly rotates around shaft heads A and B due to the limiting effect of the curved rail on the rocker bearing, in the process, the rocker bearing can move in the ring groove of the curved rail, the vertical part which is initially positioned on the curved rail moves to the arc part until the horizontal part, the variable pitch assembly is turned over by 90 degrees, the state shown in figure 7 is achieved, and as can be seen from figures 7 and 8, the rocker bearing is already positioned in the horizontal part 143 of the curved rail, and the opening of the clamping piece is forced to deflect from figures 1, arc part and horizontal part, The vertical state shown in fig. 3 and 4 is changed to the horizontal state shown in fig. 7 and 8, and similarly, when the translation frame moves from the direction B shown in fig. 1 to the direction a, the pitch change mechanism is reset and overturned to the direction in which the gripper jaw openings face downward.

A laver slice dividing and canning device provided with a variable-pitch clamping device comprises the variable-pitch clamping device, a dividing and canning component and a canning conveying component, wherein the variable-pitch clamping device is fixedly arranged at the front part (the left side of the figure) of a rack of the dividing and canning component by utilizing a main frame of the variable-pitch clamping device, and when a clamping piece opening of the variable-pitch clamping device faces to the right horizontally, the opening is positioned between an upper plane of a material supporting strip and a lower plane of a material pressing strip in the height direction and is used for clamping the cut laver material; the tank conveying assembly is located below the variable-pitch material clamping device, and when the opening of the clamping piece of the variable-pitch assembly faces downwards, the opening faces downwards and is aligned with the upward opening of the material tank on the chain plate of the tank conveying assembly one by one.

The cutting assembly comprises a rack, a conveying chain, a disc cutter set, a side material limiting part, a material supporting strip, a material pressing strip, a pressure regulating part, material pushing teeth and a first power part, wherein the rack is a space frame structural part formed by combining profile steel and plates and used for mounting other functional parts; the material supporting strip is arranged below the center of the disc cutter set and is higher than the lowest point of the excircle of the blade of the disc cutter set; the material pressing strips are arranged above the material supporting strips correspondingly and are also positioned below the center of the disc cutter set, a section of height difference is formed between the lower plane of the material pressing strips and the upper plane of the material supporting strips, and the material pressing strips and the upper plane of the material supporting strips are matched with side material limiting pieces arranged on two sides to be used for keeping and limiting laver sheet materials to completely pass through the disc cutter set without loosening and splashing, and also can press and limit cut laver materials to be continuously conveyed forwards so as to accurately reach the working range of the variable-pitch material clamping device, so that the cut materials are conveyed to a clamping piece of the variable-pitch assembly; the pressure regulating piece is used for regulating the distance between the material pressing strip and the material supporting strip so as to adapt to laminated materials with different thicknesses (heights); the conveying chains are in a plurality of groups, form closed chains by using the chain wheel groups, are rotatably arranged on the rack and are respectively positioned near the material supporting strips, and the upper planes of the closed chains of the conveying chains are lower than the upper planes of the material supporting strips; the material pushing teeth are uniformly and fixedly arranged on the material conveying chain and extend outwards along the radial direction of the closed-loop material conveying chain, and the material pushing teeth are driven by the rotation of the material conveying chain (in the anticlockwise direction of the direction shown in figure 9) to be used for pushing a laver material placed between the material supporting strips and the material pressing strips forwards, so that the laver material is cut by the circular cutter set and pushed to a working area of the variable-pitch material clamping device.

The tank conveying assembly comprises a conveying part, a charging bucket and a second power part; the conveying part comprises a closed-loop plate chain and a driving wheel, the charging tanks are placed on the upper plane of the closed-loop plate chain of the conveying part and move or stop along with the rotation and the stop of the conveying part, so that a plurality of groups of charging tanks are continuously and intermittently conveyed to the position below the variable-pitch clamping device to carry out canning operation.

Compared with the prior art, the invention has the advantages that 1) the technical scheme replaces manual operation and high equipment investment, realizes automatic operation of the process, and is simple, practical and reliable, low in cost and high in efficiency; 2) the variable-pitch material clamping device can clamp and take a plurality of groups of laver sheets (blocks) which are closely abutted together after being cut, automatically turn over the laver sheets (blocks) downwards and automatically pull open the distance between the laver sheets (blocks), so that the distance is equal to the center distance between the material tanks which are correspondingly distributed below the laver sheets (blocks) one by one, thereby accurately feeding the laver sheets, and solving the technical problem that the laver sheets (blocks) cannot be directly canned due to the fact that the center distance of the tank is not equal to the material distance in the process of cutting and canning; 3) the distance between adjacent clamping claws of the variable-pitch assembly is adjustable so as to meet the canning requirements of cans with different diameters; 4) the height of the laminated layers of the cut laver sheets (blocks) can be adjusted, and the cut laver sheet (block) groups with different weights can be obtained, so that the requirements of different customers on the weight (quantity) of canned goods can be met.

Drawings

FIG. 1 is a schematic perspective view of a pitch-variable material clamping device according to the present invention;

FIG. 2 is a schematic perspective view of a translational frame of the variable pitch material clamping device of the present invention;

fig. 3 is a schematic perspective view (short-distance state) of the pitch-changing assembly of the pitch-changing material clamping device of the present invention;

fig. 4 is a schematic perspective view (long-distance state) of the pitch-changing assembly of the pitch-changing material clamping device of the present invention;

FIG. 5 is a schematic perspective view of a clamping member of the pitch-variable material clamping device of the present invention;

FIG. 6 is a schematic perspective view of a curved rail of the variable-pitch material clamping device according to the present invention;

FIG. 7 is a schematic perspective view of the pitch-varying material clamping device of the present invention (with the clamping member in a horizontal state);

fig. 8 is a schematic perspective view of the pitch assembly of the pitch-controlled clamping device of the present invention (the clamping member is in a horizontal state).

FIG. 9 is an end view of the overall construction of the can filling and slitting device of the present invention (material extracting state);

FIG. 10 shows an end view of the overall construction of the split can filling apparatus of the invention (in the discharge state);

figure 11 shows a perspective view of the slitting assemblies of the slitting can filling apparatus of the present invention.

In the figure: 1. variable-pitch material clamping device: 11. the device comprises a main frame, 12, a translation frame, 121, a translation frame main beam, 122, a left side plate, a right side plate, 123, a first through hole, 124, a translation frame guide sleeve, 13, a variable pitch component, 131, a shaft head A, 132, a rodless cylinder seat A, 133, a rodless cylinder guide shaft, 134, a rodless cylinder sliding seat, 135, a variable pitch connecting rod, 136, a clamping piece, 1361, a finger cylinder body, 1362, a clamping claw, 1363, a clamping piece rotating shaft, 1364, a second through hole, 137, a rodless cylinder seat B, 138, a shaft head B, 139, a rocker arm bearing, 14, a curved rail, 141, a curved rail vertical part, 142, a curved rail arc part, 143, a curved rail horizontal part, 15, a translation driving piece, 16 and a guide rod;

2. and (3) slitting the components: 21. the device comprises a rack 22, a conveying chain 23, a disc cutter set 24, a side material limiting part 25, a material supporting strip 26, a material pressing strip 27, a pressure regulating part 28, a material pushing tooth 29, a first power part 201, a material to be cut 202 and a cut material;

3. a tank conveying component: 31. a conveying part 32, a charging bucket 33 and a second power part.

The specific implementation mode is as follows:

for the purpose of enhancing an understanding of the present invention, the present embodiment will be described in detail below with reference to the accompanying drawings.

Example 1: referring to fig. 1, as shown in fig. 1, the variable pitch material clamping device of the present invention includes a main frame 11, a translating frame 12, a variable pitch assembly 13, a curved rail 14, a translating driver 15, and guide rods 16, wherein the main frame 11 is a four-sided frame structure, the guide rods 16 are mounted on front and rear sides of the main frame 11, the guide rods 16 are located inside the main frame 11, and the number of the guide rods 16 is preferably 2.

As shown in fig. 2, the translating frame 12 has a main beam 121, left and right side plates 122, a first through hole 123 disposed on the left and right side plates 122, and a guide sleeve 124 disposed on the main beam 121, and the translating frame 12 is connected with the guide rod 16 by the guide sleeve 124 thereon in a matching manner, so that the translating frame 12 can slide in the main frame 11 along the axial direction of the guide rod 16; the translation driving member 15 is preferably of a cylinder type, the body of which is fixedly mounted on the front (or rear) edge of the main frame 11, and the end of the telescopic rod of which is fixedly connected with the main beam 121 of the translation frame 12, so that the translation frame 12 can move under the action of the translation driving member 15.

As shown in fig. 3, the pitch-changing assembly 13 mainly includes a rodless cylinder, which includes a cylinder seat a132, a guide shaft 133, a sliding seat 144 and a cylinder seat B137, wherein the guide shaft 133 is fixedly mounted on the cylinder seat a132 and the cylinder seat B137 and located between the two cylinder seats, and the sliding seat 134 is connected with the guide shaft 133 in a sliding manner by a through hole of its body, so that the sliding seat 144 thereon can make a reciprocating linear motion along the axial direction of the guide shaft 133 under the driving of compressed air; the pitch change assembly 13 further comprises a shaft head a131, a pitch change connecting rod 135, a clamping member 136, a shaft head B138 and a rocker bearing 139, wherein the shaft head a131 and the shaft head B138 are respectively and fixedly mounted on the cylinder base a132 and the cylinder base B137 and face to the outer side along the axial direction of the guide shaft 133, the shaft head a131 and the shaft head B138 are respectively and rotatably connected with the first through hole 123 on the left side plate 122 and the right side plate 122 of the translational frame 12, so that the pitch change assembly 13 and the translational frame 12 are rotatably combined, the pitch change assembly 13 can move along with the translational frame 12, and meanwhile, the pitch change assembly 13 can rotate (swing) at a certain angle around the axes of the shaft head a131 and the shaft head B138 at the lower part of the translational frame 12.

In FIG. 3, rocker bearing 139 is fixedly mounted to either stub shaft 138 or stub shaft 131, and rocker bearing 139 is the drive member for the deflection of pitch module 13; in fig. 3, the pitch links 135 are connected to each other by connecting holes formed in the body thereof to form a plurality of sets of parallelogram mechanisms, both ends of which are respectively hinged to the slide carriage 134 and the cylinder block 137, so that the plurality of sets of parallelogram mechanisms are stretched (the state shown in fig. 4) or compressed (the state shown in fig. 3) by the slide carriage 134 in accordance with the sliding movement of the slide carriage 134.

As shown in fig. 5, the clamping member 136 is mainly formed by a finger cylinder 1361, and features such as a clamping claw 1362, a rotating shaft 1363, and a second through hole 1364 are disposed on the finger cylinder 1361, wherein the clamping claw 1362 is an extension of the finger cylinder 1361 having its own clamping claw, and both are integrally installed to be more suitable for clamping blocks with specific shapes and sizes, the rotating shaft 1363 is disposed on the upper portion of the clamping member 136, the rotating shaft 1363 is hinged to the middle hole of the variable pitch link 135, and the second through hole 1364 is slidably connected to the guide shaft 133 of the rodless cylinder, so that the clamping member 136 can move on the guide shaft 133 along with the extension and contraction of a plurality of sets of hinged parallel link mechanisms formed by a plurality of variable pitch links 135, thereby realizing the change of the spacing between adjacent clamping members 136.

As shown in fig. 6, the cross section of the curved rail 14 is a groove structure with an opening on one side, which is composed of a vertical part 141, an arc part 142 and a horizontal part 143, in fig. 1, the curved rail 14 is fixedly installed on the left (right) side beam of the main frame 11, and the groove opening of the curved rail 14 faces inward, the rocker bearing 139 on the variable pitch assembly 13 is clamped in the ring groove of the curved rail 14, when the variable pitch assembly 13 moves along with the translation frame 12 from a to B direction shown in fig. 1, due to the limiting function of the curved rail 14 on the rocker bearing 139, the variable pitch assembly 13 rotates around the shaft heads a and B, during this process, the rocker bearing 139 will move in the ring groove of the curved rail 14, and from the beginning vertical part 141 located on the curved rail 14 to the arc part 142 to the horizontal part 143, the variable pitch assembly 13 turns over 90 degrees, and reaches the state shown in fig. 7 and 8, rocker bearing 139 is already located in horizontal portion 143 of curved track 14, forcing pitch assembly 13 to deflect and then change the opening of the clamp from the vertical position shown in fig. 1, 3 and 4 to the horizontal position shown in fig. 7 and 8. similarly, when translating frame 12 moves from direction a shown in fig. 1, the pitch mechanism 13 is reset and flipped to the orientation with its jaw opening facing downward.

As shown in fig. 9, the laver sheet cutting and canning device using the variable pitch material clamping device comprises a variable pitch material clamping device 1, a slitting assembly 2 and a can conveying assembly 3, wherein the variable pitch material clamping device 1 is fixedly installed at the front part (left side in the figure) of a frame 21 of the slitting assembly 2 by using a main frame 11 thereof, and when a clamping piece opening of a variable pitch assembly 13 faces to the right horizontally, the opening is positioned between an upper plane of a material supporting strip 25 and a lower plane of a material pressing strip 26 in the height direction and is used for clamping a cut laver material 202; the can conveying component 3 is positioned below the pitch-variable material clamping device 1, and when the clamping piece opening of the pitch-variable component 13 is downward, the opening is aligned with the upward opening of the bucket 32 on the chain plate of the can conveying component 3.

As shown in fig. 9, 10 and 11, the slitting assembly 2 includes a frame 21, a conveying chain 22, a disc cutter set 23, a side material limiting member 24, a material supporting strip 25, a material pressing strip 26, a pressure regulating member 27, a material pushing tooth 28 and a first power member 29; the frame 21 is a space frame structure member formed by combining section steel and plates and used for mounting other functional members, the disc cutter group 23 is formed by combining a plurality of disc tooth-shaped cutters which are distributed at intervals, is rotatably mounted on the frame 21 and can rotate under the drive of the first power member 29; the material supporting strip 25 is arranged below the center of the disc cutter set, and the height of the material supporting strip is higher than the lowest point of the excircle of the blade of the disc cutter set; the pressing strips 26 are arranged above the corresponding material supporting strips 25 and below the center of the disc knife group 23, a height difference is formed between the lower plane of the pressing strips 26 and the upper plane of the material supporting strips 25, and the pressing strips are matched with the side material limiting pieces 24 arranged on the two sides to be used for keeping and limiting the laver sheet materials 201 to completely pass through the disc knife group 23 without loosening and splashing, and can also be used for pressing and limiting the cut laver materials 202 to be continuously conveyed forwards to accurately reach the working range of the variable-pitch material clamping device 1 so as to deliver the cut materials 202 to the clamping pieces 136 of the variable-pitch assembly 13; the pressure regulating part 27 is used for regulating the distance between the material pressing strip 26 and the material supporting strip 25 so as to adapt to laminated materials with different thicknesses (heights); the conveying chains 22 are in a plurality of groups, form closed chains by utilizing chain wheel groups, are rotatably arranged on the rack 21 and are respectively positioned near the material supporting strips 25, and the upper planes of the closed chains of the conveying chains 22 are lower than the upper planes of the material supporting strips 25; the pushing teeth 28 are uniformly and fixedly installed on the conveying chain 22 and extend outward along the radial direction of the closed-loop conveying chain, and the pushing teeth 28 are driven by the rotation of the conveying chain 22 (counterclockwise direction in the direction shown in fig. 9) to push the laver material placed between the supporting strips 25 and the pressing strips 26 forward, so as to cut the laver material 201 through the disc cutter set 23 and push the cut material 202 to the working area of the variable-pitch material clamping device 1.

As shown in fig. 9 and 10, the can conveying assembly 3 comprises a conveying member 31, a can 32 and a second power member 33; the conveying member 31 comprises a closed-loop plate chain and a driving wheel, the material tanks 32 are placed on the upper plane of the closed-loop plate chain of the conveying member 31, and the material tanks 32 move or stop along with the rotation and the stop of the conveying member 31, so that a plurality of groups of material tanks 32 are continuously and intermittently conveyed to the position below the variable-pitch material clamping device 1 for canning.

The working process is as follows: referring to fig. 1 to 11, the working process of the variable-pitch material clamping device and the laver sheet cutting and canning device using the same according to the present invention is described in detail below with reference to the accompanying drawings:

as shown in fig. 9, the first power member 29 drives the circular knife set 23 to rotate, the laver sheets (cakes) 201 to be cut are stacked together and then placed at the entrance of the slitting assembly 2, the laver sheets (cakes) 201 to be cut are positioned on the material supporting strip 25 and limited by the material limiting member 24 on the left and right, then the material conveying chain 22 is started to rotate counterclockwise in the direction shown in the figure, the material conveying teeth 28 mounted on the material conveying chain 22 push the material 201 to be cut to move forward (left) and make the laver material 201 pass through the rotating circular knife set 23, so that the laver material 201 is slit by the circular knife set 23, the number of the slit laver material 202 is determined by the number of the circular knives in the circular knife set 23, for example, when the laver material needs to be slit into 6 parts, 5 circular knives are correspondingly arranged; the cut laver material 202 continues to move forwards under the action of the pushing teeth 28 until the laver material is fed into an opening of the distance-changing assembly 13 of the distance-changing clamping device 1 in the right direction, and then the material conveying chain 22 stops rotating; then the clamping piece 136 on the distance changing assembly 13 acts, the clamping claw 1362 clamps the cut laver material 202, then the translation driving piece 15 acts to drive the translation frame 12 and the distance changing assembly 13 to move left together, meanwhile, under the action of the curved rail 14 and the rocker bearing 139, the distance changing assembly 13 rotates 90 degrees around the shaft heads A and B thereof in the clockwise direction of the orientation shown in fig. 9, so that the cut laver material 202 leaves the cutting assembly 2 and is cut in the downward orientation, then the rodless cylinder of the distance changing assembly 13 acts to drive the clamping pieces 136 to separate a distance from each other through the sliding seat 134 and the connecting rod 135, so that each clamping piece 136 is aligned with the central position of the charging bucket 32 positioned below one by one, then the clamping piece 136 acts to release the clamping claw 1362 thereof, and the laver material 202 falls into the charging bucket 32 under the self-weight, thereby completing the canning operation of the laver material. After the canning is completed, the translation driving part 15 performs the reset action, the translation frame 12 is pulled back to the left, and by the same reason, under the combined action of the curved rail 14 and the rocker bearing 139, the variable-pitch component 13 gradually approaches to the slitting component 2 and enables the gripper jaw opening of the gripper 136 to exceed the right, and then enters the to-be-clamped state again, meanwhile, the non-inductive cylinder of the variable-pitch component 13 also performs the reset action, the gripper 136 approaches to each other through the sliding seat 134 and the connecting rod 135 of the variable-pitch component to be aligned with the slit laver materials 202 in the width direction one by one, then, the conveying chain 22 rotates anticlockwise again, the laver materials 201 are pushed again to perform the slitting operation and the cut materials 202 are pushed to enter the gripper jaw opening, and the above processes are repeated, and the operation processes of continuously slitting the laver materials, pitch changing and overturning of the variable-pitch component, canning and the like are completed.

It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and all equivalent modifications and substitutions based on the above-mentioned technical solutions are within the scope of the present invention as defined in the claims.

Claims (9)

1. A variable-pitch material clamping device is characterized by comprising a main frame (11), a translation frame (12), a variable-pitch assembly (13), a curved rail (14), a translation driving piece (15) and a guide rod (16), wherein the main frame (11) is a frame structural member with four sides, the guide rods (16) are arranged on the front side surface and the rear side surface of the main frame (11), and guide arm (16) are located the inside of main frame (11), bend (14) fixed mounting is on the curb girder of main frame (11), displacement subassembly (13) rotationally sets up on translation frame (12), the spacing cooperation of tip and bend (14) of displacement subassembly (13), displacement subassembly (13) move along with translation frame (12), displacement subassembly (13) do deflection motion around translation frame (12) under the spacing of bend (14), translation frame (12) produce the displacement motion under the effect of translation driving piece (15).

2. The variable-pitch clamping device according to claim 1, wherein the translation frame (12) comprises a main beam (121), left and right side plates (122), first through holes (123) arranged on the left and right side plates (122), and guide sleeves (124) arranged on the main beam (121), and the translation frame (12) is in fit connection with the guide rods (16) through the guide sleeves (124) on the translation frame (12) so that the translation frame (12) slides in the main frame (11) along the axial direction of the guide rods (16).

3. The pitch-changing material clamping device according to claim 2, wherein the pitch-changing assembly (13) is mainly a rodless cylinder, the rodless cylinder comprises a cylinder seat A (132), a guide shaft (133), a sliding seat (144) and a cylinder seat B (137), the guide shaft (133) is fixedly arranged on the cylinder seat A (132) and the cylinder seat B (137) and is positioned between the two cylinder seats, the sliding seat (134) is connected with the guide shaft (133) in a sliding fit manner by utilizing a through hole of the body of the sliding seat, the variable pitch component (13) also comprises a shaft head A (131), a variable pitch connecting rod (135), a clamping piece (136), a shaft head B (138) and a rocker bearing (139), wherein, the axle head A (131) and the axle head B (138) are respectively fixedly arranged on the cylinder seat A (132) and the cylinder seat B (137), and faces to the outer side along the axial direction of the guide shaft (133), and a shaft head A (131) and a shaft head B (138) are respectively and rotatably connected with first through holes (123) on left and right side plates (122) of the translation frame (12).

4. The pitch-variable material clamping device according to claim 3, wherein the rocker bearing (139) is fixedly arranged on the shaft head B (138) or the shaft head A (131), and the rocker bearing (139) is a driving piece for generating deflection of the pitch-variable assembly (13); the variable-pitch connecting rods (135) are connected with each other by using hinge holes on the bodies of the variable-pitch connecting rods to form a plurality of groups of parallelogram mechanisms, and two ends of each group of parallelogram mechanisms are respectively hinged with the sliding seat (134) and the cylinder seat B (137).

5. The variable-pitch material clamping device is characterized in that the clamping piece (136) takes a finger cylinder body (1361) as a main body, and a clamping claw (1362), a rotating shaft (1363) and a second through hole (1364) are arranged on the finger cylinder body (1361), wherein the clamping claw (1362) is an extension piece of the finger cylinder body (1361) with the clamping claw, the two are integrally installed, the rotating shaft (1363) is arranged at the upper part of the clamping piece (136), the rotating shaft (1363) is in hinged connection with a middle hole of the variable-pitch connecting rod (135), the second through hole (1364) is in sliding fit connection with a guide shaft (133) of the rodless cylinder, so that the clamping piece (136) moves on the guide shaft (133) along with the expansion and contraction of a plurality of groups of hinged parallel connecting rod mechanisms consisting of a plurality of variable-pitch connecting rods (135), and the change of the distance between the adjacent clamping pieces (136) is realized.

6. The pitch-variable material clamping device according to claim 5, wherein the cross section of the curved rail (14) is of a groove-shaped structure with an opening on one surface, the cross section of the curved rail (14) is composed of a vertical part (141), an arc part (142) and a horizontal part (143), the curved rail (14) is fixedly arranged on a left/right side beam of the main frame (11), the groove-shaped opening of the curved rail (14) faces inwards, and a rocker bearing (139) on the pitch-variable assembly (13) is clamped in a ring groove of the curved rail (14).

7. The laver slice splitting and canning device adopting the variable-pitch material clamping device of any one of claims 1 to 6, which is characterized in that the splitting and canning device comprises a variable-pitch material clamping device (1), a splitting assembly (2) and a can conveying assembly (3), wherein the variable-pitch material clamping device (1) is fixedly arranged at the front part of a frame (21) of the splitting assembly (2) by utilizing a main frame (11) of the variable-pitch material clamping device; the tank conveying assembly (3) is positioned below the variable-pitch material clamping device (1).

8. The laver slice cutting and canning device according to claim 7, wherein the cutting assembly (2) comprises a frame (21), a conveying chain (22), a disc knife set (23), a side material limiting member (24), a material supporting strip (25), a material pressing strip (26), a pressure regulating member (27), a material pushing tooth (28) and a first power member (29), wherein the frame (21) is a space frame structural member formed by combining profile steel and a plate material and used for installing other functional members, the disc knife set (23) is combined by a plurality of disc tooth-shaped knives which are distributed at intervals, is rotatably installed on the frame (21) and rotates under the driving of the first power member (29); the material supporting strip (25) is arranged below the center of the disc cutter set, and the height of the material supporting strip is higher than the lowest point of the excircle of the blade of the disc cutter set; the pressing strips (26) are arranged above the corresponding material supporting strips (25) and below the center of the disc cutter set (23), a section of height difference is formed between the lower plane of the pressing strips (26) and the upper plane of the material supporting strips (25), and the pressure regulating parts (27) are used for regulating the distance between the pressing strips (26) and the material supporting strips (25) to adapt to laminated materials with different thicknesses; the conveying chains (22) are in a plurality of groups, form closed chains by utilizing the chain wheel group, are rotatably arranged on the rack (21) and are respectively positioned near the material supporting strips (25), and the upper planes of the closed chains of the conveying chains (22) are lower than the upper planes of the material supporting strips (25); the material pushing teeth (28) are uniformly and fixedly arranged on the material conveying chain (22) and extend outwards along the radial direction of the closed-loop material conveying chain, the material conveying chain (22) rotates to drive the material pushing teeth (28) to be used for pushing laver materials placed between the material supporting strips (25) and the material pressing strips (26) forwards, so that the laver materials (201) are cut through the disc cutter set (23) and the cut materials (202) are pushed to a working area of the variable-pitch material clamping device (1).

9. The laver sheet cutting and canning device according to claim 8, wherein the can transfer assembly (3) comprises a transfer member (31), a can (32), and a second power member (33); the conveying part (31) comprises a closed-loop plate chain and a driving wheel, the charging buckets (32) are placed on the upper plane of the closed-loop plate chain of the conveying part (31), and the charging buckets (32) move or stop along with the rotation and stop of the conveying part (31) so as to continuously and intermittently convey a plurality of groups of charging buckets (32) to the lower part of the variable-pitch clamping device (1) for canning.

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