CN110775682B

CN110775682B - Tension device

Info

Publication number: CN110775682B
Application number: CN201911160592.2A
Authority: CN
Inventors: 寮轰寒; 强亮
Original assignee: Shanghai Miuki Automation Equipment Co ltd
Current assignee: Shanghai Miuki Automation Equipment Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2021-10-26
Anticipated expiration: 2039-11-23
Also published as: CN110775682A

Abstract

The invention discloses a tensioning device, which relates to the technical field of soft material tensioning and comprises a rack, wherein sliding frames are arranged on two sides of the rack along the stretching direction of a soft material to be tensioned, the sliding directions of the two sliding frames are parallel to the stretching direction of the soft material to be tensioned, clamping assemblies for clamping the soft material are arranged on the two sliding frames, and a fixing assembly for detachably and fixedly connecting the sliding frames and the rack is also arranged on the rack. The invention has the advantages of reducing the waste of human resources and saving cost.

Description

Tension device

Technical Field

The invention relates to the technical field of soft material tensioning, in particular to a tensioning device.

Background

The conveyer belt is a rubber product made up by using several layers of rubberized canvas through the processes of binding together or using other skeleton material as belt core, sticking adhesive layer and forming and vulcanizing.

At present, in conveyer belt production, the staff generally erects the canvas book on unreeling equipment, unreels the operation to the canvas book to supply with the canvas and carry out the shop's of canvas to gluing the operation to shop's gluey equipment.

After the canvas is rolled up and is unreeled and accomplish, for making things convenient for the staff to penetrate the operation to spreading gluey equipment to follow-up canvas, the staff often can sew together the initiating terminal of another roll of canvas with the end of having accomplished the canvas of unreeling to make the comparatively easy equipment of spreading gluey that penetrates of follow-up canvas.

In the prior art, two workers respectively tighten two sides of the canvas in the width direction, and a third worker adopts a packer to sew and connect the starting end of another canvas roll with the tail end of the completed unwinding canvas. However, the way of completing the sewing operation by three workers wastes manpower resources seriously, and improvement is needed.

Disclosure of Invention

In view of the above technical problems, the present invention is directed to a tensioning device, in which two sets of clamping assemblies are used to clamp two opposite sides of a soft material, and two sliding frames under the condition of tensioning the soft material are fixed by a fixing assembly, so as to reduce waste of human resources and save cost.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a tensioning device, includes the frame, the frame all is provided with the slip frame, two along the both sides of the tensile direction of the taut softwood of needs the slip direction of slip frame is on a parallel with the tensile direction of the taut softwood of needs, two all be provided with the clamping components who is used for pressing from both sides tight softwood on the slip frame, still be provided with the fixed subassembly that is used for dismantling fixed connection slip frame and frame in the frame.

By adopting the technical scheme, in actual work, a worker can superpose the starting end of the canvas roll which is not uncoiled and the tail end of the uncoiled canvas, and respectively clamp the two sides of the superposed canvas section in the width direction by virtue of two groups of clamping components; sliding the two sliding frames on the rack to enable the soft material to be tensioned between the two groups of clamping components; then, the worker can stably fix the sliding frame by the aid of the fixing assemblies, and the canvas is stably tensioned between the two groups of clamping assemblies; finally, the worker may sew the folded canvas sections with a bag sealer. By the mode, the waste of human resources is reduced, and the cost is saved.

The invention is further configured to: the clamping assembly comprises a quick clamp and a butt plate, the butt plate is fixedly arranged on the sliding frame, the quick clamp is arranged on the sliding frame, and a clamping head of the quick clamp presses the soft material on the butt plate.

Through adopting above-mentioned technical scheme, in the actual work, the staff can be with the help of the active grab, with the quick compaction of softwood on the butt plate, further makes things convenient for the taut operation of staff to the softwood, reduces staff's intensity of labour.

The invention is further configured to: and the abutting plate is provided with anti-slip lines.

Through adopting above-mentioned technical scheme, set up anti-skidding line on the butt plate, the condition that reduces the softwood slippage between quick clamp and butt plate takes place to guarantee the stability under the softwood taut state.

The invention is further configured to: the rack is provided with a sliding sleeve, and the axial direction of the sliding sleeve is parallel to the sliding direction of the sliding frame; the sliding frame is columnar, penetrates into the sliding sleeve and is in sliding fit with the sliding sleeve.

Through adopting above-mentioned technical scheme, will slide the frame and set up to the column to will slide the frame and penetrate the cover that slides and with the cooperation of sliding the cover that slides, help guaranteeing the stability that the frame that slides slided.

The invention is further configured to: the fixing assembly comprises a clamping joint, the sliding sleeve is provided with an inserting groove, one side of the sliding frame, which is close to the inserting groove, is provided with a clamping groove, and the clamping grooves are formed in the sliding frame in the sliding direction of the sliding frame; when the frame that slides needs to be fixed, the bayonet joint penetrates the inserting groove, just the one end that the joint head held close to slide is connected with the joint groove joint.

Through adopting above-mentioned technical scheme, when the softwood was by the tensioning, the staff can insert the joint head in the joint groove to make joint head and joint groove joint, thereby fix the frame that slides, help guaranteeing the stability under the frame fixed state that slides, and make things convenient for the staff to slide the fixed operation on the cover that slides.

The invention is further configured to: the middle part of the clamping joint is hinged on the sliding sleeve, and the clamping joint is in clearance fit with the insertion groove.

Through adopting above-mentioned technical scheme, articulate the middle part of joint in sliding the cover, further make things convenient for the staff to the fixed operation of sliding the frame on sliding the cover to help reducing the condition emergence that the bayonet joint lost.

The invention is further configured to: the part of the clamping joint outside the insertion groove is provided with a pressing part along the axial extension of the sliding sleeve, and a compression spring is tightly arranged between the pressing part and the sliding sleeve in a supporting manner.

By adopting the technical scheme, in actual work, a worker presses the pressing part, the compression spring is compressed, the clamping head rotates, and the part, close to the sliding part, of the clamping head moves towards the direction back to the sliding frame and is separated from the clamping groove; at the moment, the worker can slide the sliding frame on the sliding sleeve; when the frame that slides is fixed to needs, the staff can loosen and press the splenium, and compression spring will promote to press the splenium to keep away from the cover that slides, and at this moment, the joint will block into the joint groove, fixes the frame that slides. Through the mode, the fixing and sliding operation of the sliding frame on the sliding sleeve by the worker is greatly facilitated.

The invention is further configured to: one side of the clamping groove, which is close to the position between the two sliding frames, is provided with a guide inclined plane.

Through adopting above-mentioned technical scheme, when the relative both sides of softwood were pressed from both sides tightly by two clamping components respectively, the staff can push away the slip frame to the direction that two slip frames kept away from each other, and under the guide on guide inclined plane, the joint withdraws from the joint groove, and two slip frames will keep away from each other and taut softwood to further make things convenient for the tensioning operation of staff to the softwood.

The invention is further configured to: the frame is provided with a support bracket, one end of the support bracket in the length direction is hinged with the frame, the sliding sleeve is hinged at one end of the support bracket, which is deviated from the hinged position of the support bracket and the frame, a first hinged connecting rod is arranged between the middle part of the support bracket and the frame, the first hinged connecting rod comprises two hinged short rods which are hinged, and two ends of the first hinged connecting rod are respectively hinged on the middle part of the support bracket and the frame; and the supporting bracket and the first hinged connecting rod are in one-to-one correspondence with the sliding sleeves.

Through adopting above-mentioned technical scheme, be in idle state when overspeed device tensioner, the staff can rotate in proper order and slide cover, support holder and draw in to overspeed device tensioner to help reducing the occupation volume of overspeed device tensioner to the space, and help protecting overspeed device tensioner.

The invention is further configured to: the frame is fixed in one side that is close to the support holder and is provided with first magnetism piece, the fixed second magnetism piece that is provided with in middle part of support holder, first magnetism piece and second magnetism piece adsorb the cooperation, just the two all with the support holder one-to-one of first magnetism piece and second magnetism piece.

Through adopting above-mentioned technical scheme, after straining device draws in, the support holder will be adsorbed in the frame comparatively steadily, helps guaranteeing the stability that straining device drawn in.

Compared with the prior art, the invention has the following beneficial effects:

(1) the two opposite sides of the soft material are clamped by the two groups of clamping components, and the two sliding frames under the condition that the soft material is tensioned are fixed by the fixing components, so that the waste of human resources is reduced, and the cost is saved;

(2) the soft material is clamped through the quick clamp and the abutting plate, the middle part of the clamping joint is hinged on the sliding sleeve, the pressing part is arranged on the clamping joint, and the compression spring is arranged between the pressing part and the sliding sleeve in an abutting mode, so that the soft material can be greatly conveniently tensioned by a worker;

(3) comprehensive utilization articulates the support frame in the frame, articulates the cover that will slide on the support frame to by first magnetism piece and second magnetism piece adsorption fit, thereby realize the stable operation of drawing in of straining device.

Drawings

FIG. 1 is a schematic axial view showing the overall structure of the tensioner in this embodiment;

FIG. 2 is an enlarged view of a portion A of FIG. 1, which mainly shows the structure of the clamping assembly and the sliding frame;

FIG. 3 is a schematic diagram of a structure of a clip groove and a fixing component according to the present embodiment;

FIG. 4 is a schematic view of the present embodiment mainly showing the structure of the support bracket, the first hinge link and the second hinge link;

fig. 5 is an enlarged view of a part B of fig. 4, and mainly shows the structure of the abutment surface and the rotation avoiding curved surface.

Reference numerals: 1. a frame; 11. a first magnetic block; 2. a sliding sleeve; 21. inserting grooves; 3. a sliding frame; 31. a clamping groove; 311. a guide ramp; 32. a limiting plane; 4. a clamping assembly; 41. quick clamping; 42. a butt joint plate; 421. anti-skid lines; 5. a fixing assembly; 51. a clamping head; 511. a pressing part; 52. a compression spring; 6. a support bracket; 61. a first articulation link; 611. a first hinge stub; 62. a second magnetic block; 7. a second articulation link; 71. a second hinge stub; 711. an abutting surface; 712. the arc surface is avoided by rotation.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.

Example (b):

referring to fig. 1 and 2, a tensioning device comprises a frame 1, wherein sliding frames 3 are arranged on two sides of the frame 1 along the width direction of a canvas, the sliding directions of the two sliding frames 3 are parallel to the width direction of the canvas, clamping components 4 for clamping soft materials are arranged on each of the two sliding frames 3, and a fixing component 5 for detachably and fixedly connecting the sliding frames 3 with the frame 1 is further arranged on the frame 1. In actual work, a worker can overlap the starting end of the canvas roll which is not unwound and the tail end of the canvas which is unwound, and two sides of the overlapped canvas section in the width direction are clamped by two groups of clamping assemblies 4 respectively; sliding the two sliding frames 3 on the frame 1 to enable the soft material to be tensioned between the two groups of clamping components 4; then, the worker can stably fix the sliding frame 3 by the fixing component 5, and the canvas is stably tensioned between the two groups of clamping components 4; finally, the worker may sew the folded canvas sections with a bag sealer.

Referring to the attached drawing 2, a sliding sleeve 2 is erected on one side of the frame 1, which is far away from the glue spreading equipment, the axial direction of the sliding sleeve 2 is parallel to the width direction of the canvas, and the sliding sleeve 2 corresponds to and is in sliding fit with the sliding frame 3 one by one. The mounting structures of the two sets of sliding frames 3 on the sliding sleeve 2 are the same, and any one of the two sets of sliding frames 3 is taken as an example for explanation.

The sliding frame 3 is columnar, and the sliding frame 3 penetrates the sliding sleeve 2 and is matched with the sliding sleeve 2 in a sliding manner. The clamping assembly 4 comprises a quick clamp 41 and a butt plate 42, the quick clamp 41 and the butt plate 42 are both fixedly arranged on one side of the sliding frame 3 close to the position between the two sliding frames 3, and the butt plate 42 is provided with anti-slip patterns 421. In actual work, the worker can press the canvas against the abutting plate 42 by the quick clamp 41, and the friction force between the canvas and the abutting plate 42 is increased by the anti-slip threads 421, so that the canvas is prevented from slipping between the quick clamp 41 and the abutting plate 42.

Referring to fig. 3, the fixed components 5 correspond to the sliding sleeves 2 one by one, and the mounting structures of the two groups of fixed components 5 on the sliding sleeves 2 are the same, and one group is taken as an example for explanation. Fixed subassembly 5 includes joint 51, has seted up inserting groove 21 on sliding sleeve 2, and the joint groove 31 has been seted up to one side that the frame 3 that slides is close to inserting groove 21, and a plurality of has been seted up along the direction that the frame 3 slided on the frame 3 that slides in joint groove 31. The middle part of the clamping joint 51 is hinged on the sliding sleeve 2, the clamping joint 51 is in clearance fit with the insertion groove 21, the part of the clamping joint 51 outside the insertion groove 21 extends along the axial direction of the sliding sleeve 2 and is provided with a pressing part 511, and the fixing component 5 further comprises a compression spring 52 which is tightly abutted between the pressing part 511 and the sliding sleeve 2. And, a guiding inclined surface 311 is disposed at one side of any one of the clamping grooves 31 close to the space between the two sliding frames 3. In order to reduce the occurrence of the relative rotation between the sliding frame 3 and the sliding sleeve 2, a limiting plane 32 is arranged on one side of the sliding frame 3 close to the insertion groove 21, and the insertion groove 21 is arranged on the limiting plane 32.

When the sliding frame 3 needs to be moved to the middle position between the two sliding frames 3, a worker presses the pressing part 511, the compression spring 52 is compressed, the clamping joint 51 rotates, and the part of the clamping joint 51 close to the sliding frame 3 moves in the direction away from the sliding frame 3 and is separated from the clamping groove 31; at this time, the worker can slide the sliding frame 3 on the sliding sleeve 2. When the sliding frame 3 needs to be fixed, the worker can release the pressing part 511, and the compression spring 52 pushes the pressing part 511 to be far away from the sliding sleeve 2; at this time, the engaging head 51 is engaged with the engaging groove 31 to fix the slide frame 3. When the two opposite sides of the canvas are respectively clamped by the two clamping components 4, a worker can push the sliding frames 3 in the direction that the two sliding frames 3 are away from each other; under the guidance of the guiding inclined plane 311, the clamping joint 51 exits from the clamping groove 31 clamped at the time and is clamped into another clamping groove 31 positioned on one side of the guiding inclined plane 311 of the clamping groove 31, and so on until the sliding frame 3 is not pushed any more by the worker, the clamping joint 51 is stably clamped into one clamping groove 31, the sliding frame 3 is stably fixed, and the canvas is tensioned.

Referring to fig. 4 and 5, the frame 1 is provided with the support frame 6 in the one side that deviates from the shop's gluey equipment, and the support frame 6 is the setting from top to bottom, and the lower extreme of support frame 6 is articulated with frame 1, is provided with first articulated connecting rod 61 between the middle part of support frame and the frame 1, and first articulated connecting rod 61 includes two first articulated quarter butts 611 that are end to end articulated connection, and the both ends of first articulated connecting rod 61 articulate respectively on the middle part of support frame 6 and frame 1. Frame 1 is in the fixed first magnetic block 11 that is provided with in one side that is close to support holder 6, and the fixed second magnetic block 62 that is provided with in middle part of support holder 6, first magnetic block 11 and the cooperation of second magnetic block 62 absorption, and the two of first magnetic block 11 and second magnetic block 62 all with support holder 6 one-to-one. When the tensioning device is idle, the staff can rotate the support bracket 6 on the frame 1 and rotate two first hinged short rods 611 simultaneously, at the moment, the support bracket 6 is drawn close to the frame 1, and the first magnetic block 11 and the second magnetic block 62 are matched to stably adsorb the support bracket 6 on the frame 1, so that the support bracket 6 can be folded.

The supporting brackets 6 are respectively arranged on the frame 1 along the two sides of the canvas in the width direction, the two groups of sliding sleeves 2 are respectively and correspondingly arranged on the two supporting brackets 6, the mounting structures of the two groups of sliding sleeves 2 on the supporting brackets 6 are the same, and any one group is taken as an example for explanation.

One end of the sliding sleeve 2 is hinged to the upper end of the supporting bracket 6, a second hinged connecting rod 7 is arranged between the middle of the sliding sleeve 2 and the middle of the supporting bracket 6, the second hinged connecting rod 7 comprises two second hinged short rods 71 which are hinged end to end, and two ends of the second hinged connecting rod 7 are respectively hinged to the middle of the supporting bracket 6 and the sliding sleeve 2. In order to ensure the stability of the sliding sleeve 2 on the supporting bracket 6 in the tensioned canvas state, the ends of the two second short hinge rods 71 at the hinge joint are provided with abutting surfaces 711, the two abutting surfaces 711 abut against each other, the two abutting surfaces 711 are perpendicular to the length direction of the corresponding second short hinge rods 71, and a rotation avoiding arc surface 712 is arranged on the lower side edge of the corresponding abutting surface 711 on any one second short hinge rod 71. In practical application, under the guidance of the rotation avoiding arc 712, the hinged part of the two second hinged short rods 71 can be pulled upwards, and the two second hinged short rods 71 are folded, at this time, the sliding sleeve 2 is folded towards the support bracket 6; in the extended state of the second hinge connecting rod 7, the two abutting surfaces 711 abut, the joint of the two second hinge short rods 71 cannot be pulled downwards, and at this time, the second hinge connecting rod 7 will serve as a supporting rod to support the sliding sleeve 2 and prevent the sliding sleeve 2 from rotating on the supporting bracket 6 under the action of the self weight of the sliding sleeve.

The present embodiment is further described below with reference to specific actions: in actual work, a worker can overlap the starting end of the canvas roll which is not unwound with the tail end of the canvas roll which is unwound; then, the worker can press the pressing portion 511, the compression spring 52 will be compressed, the latch 51 will rotate, and the portion of the latch 51 close to the sliding frame 3 will move in the direction away from the sliding frame 3 and disengage from the latch groove 31; at the moment, the worker can slide the sliding frame 3 on the sliding sleeve 2, and the sliding frame 3 is close to the canvas to be clamped; after the sliding frame 3 reaches the canvas to be clamped, the worker can release the pressing part 511 and tightly press the two sides of the canvas to be clamped against the abutting plate 42 by means of the cooperation of the two groups of quick clamps 41 and the abutting plate 42; then, under the guidance of the guiding inclined surface 311 of the clamping groove 31, the worker can slide the two groups of sliding frames 3 in the direction away from each other and tighten the canvas; finally, the worker may sew the folded canvas sections with a bag sealer.

When the tensioning device is idle, the worker can fold the support bracket 6 and the sliding sleeve 2 by the first hinge connecting rod 61 and the second hinge connecting rod 7, and stably adsorb the support bracket 6 on the frame 1 by the first magnetic block 11 and the second magnetic block 62.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A tensioning device comprises a rack (1) and is characterized in that sliding frames (3) are arranged on two sides of the rack (1) along the stretching direction of a soft material to be tensioned, the sliding directions of the two sliding frames (3) are parallel to the stretching direction of the soft material to be tensioned, clamping assemblies (4) used for clamping the soft material are arranged on the two sliding frames (3), and a fixing assembly (5) used for detachably and fixedly connecting the sliding frames (3) with the rack (1) is further arranged on the rack (1);

a sliding sleeve (2) is erected on the rack (1), and the axial direction of the sliding sleeve (2) is parallel to the sliding direction of the sliding frame (3); the sliding frame (3) is columnar, and the sliding frame (3) penetrates through the sliding sleeve (2) and is in sliding fit with the sliding sleeve (2);

the fixing assembly (5) comprises a clamping connector (51), an inserting groove (21) is formed in the sliding sleeve (2), a clamping groove (31) is formed in one side, close to the inserting groove (21), of the sliding frame (3), and a plurality of clamping grooves (31) are formed in the sliding frame (3) along the sliding direction of the sliding frame (3); when the sliding frame (3) needs to be fixed, the clamping connector (51) penetrates into the insertion groove (21), and one end, close to the sliding, of the clamping connector (51) is clamped with the clamping groove (31);

the frame (1) is provided with a supporting bracket (6), one end of the supporting bracket (6) in the length direction is hinged to the frame (1), the sliding sleeve (2) is hinged to one end, away from the hinged position of the supporting bracket (6) and the frame (1), of the supporting bracket (6), a first hinged connecting rod (61) is arranged between the middle of the supporting bracket (6) and the frame (1), the first hinged connecting rod (61) comprises two first hinged short rods (611) which are hinged end to end, and two ends of the first hinged connecting rod (61) are respectively hinged to the middle of the supporting bracket (6) and the frame (1); moreover, the supporting bracket (6) and the first hinged connecting rod (61) are in one-to-one correspondence with the sliding sleeve (2);

one end of the sliding sleeve (2) is hinged to the upper end of the supporting bracket (6), a second hinged connecting rod (7) is arranged between the middle of the sliding sleeve (2) and the middle of the supporting bracket (6), the second hinged connecting rod (7) comprises two second hinged short rods (71) which are hinged end to end, and two ends of the second hinged connecting rod (7) are respectively hinged to the middle of the supporting bracket (6) and the sliding sleeve (2);

the end parts of the two second hinged short rods (71) at the hinged part are provided with abutting surfaces (711), the two abutting surfaces (711) abut against each other, the two abutting surfaces (711) are perpendicular to the length direction of the corresponding second hinged short rods (71), and a rotation avoiding arc surface (712) is arranged at the lower side edge position of the corresponding abutting surface (711) on any one second hinged short rod (71).

2. Tensioning device according to claim 1, characterized in that the clamping assembly (4) comprises a quick clamp (41) and an abutment plate (42), the abutment plate (42) being fixedly arranged on the carriage (3), the quick clamp (41) being mounted on the carriage (3) and the clamping head of the quick clamp (41) pressing the soft material against the abutment plate (42).

3. Tensioning device according to claim 2, characterized in that the abutment plate (42) is provided with anti-slip threads (421).

4. A tensioning device as claimed in claim 1, characterized in that the middle of the latching tab (51) is hinged to the displacement sleeve (2), the latching tab (51) engaging with the plug groove (21) in a clearance fit.

5. A tensioning device as claimed in claim 4, characterized in that the part of the clamping head (51) outside the insertion groove (21) extends axially along the sliding sleeve (2) and is provided with a pressing part (511), and a compression spring (52) is arranged between the pressing part (511) and the sliding sleeve (2) in a pressing manner.

6. A tensioning device as claimed in claim 5, characterized in that a guide ramp (311) is provided on either side of the catch groove (31) adjacent between the two sliding brackets (3).

7. A tensioning device as claimed in claim 6, characterized in that the frame (1) is fixedly provided with a first magnetic block (11) at a side close to the supporting bracket (6), the middle part of the supporting bracket (6) is fixedly provided with a second magnetic block (62), the first magnetic block (11) and the second magnetic block (62) are in adsorption fit, and the first magnetic block (11) and the second magnetic block (62) both correspond to the supporting bracket (6) one to one.