CN213511929U

CN213511929U - Paper bag machine transmission chain tightness degree adjusting device

Info

Publication number: CN213511929U
Application number: CN202022496030.XU
Authority: CN
Inventors: 夏泓华
Original assignee: Wuxi Lingyong Machinery Equipment Co ltd
Current assignee: Wuxi Lingyong Machinery Equipment Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-06-22
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a paper bag machine driving chain tightness degree adjusting device, which comprises a side plate, wherein the side plate is provided with a first rotating shaft, a second rotating shaft and a third rotating shaft, the number of the second rotating shafts is at least two, the first rotating shaft is provided with a driving sprocket, and each second rotating shaft is respectively provided with a driven sprocket; a guide groove is formed in the side plate, a third rotating shaft penetrates through the guide groove, an adjusting chain wheel is arranged on the third rotating shaft, and a chain is wound on the driving chain wheel, the driven chain wheel and the adjusting chain wheel together; one end of the third rotating shaft, which is far away from the adjusting chain wheel, is connected with an adjusting mechanism, the adjusting mechanism comprises a fixed seat, the fixed seat is connected with the side plate in a sliding manner, and the third rotating shaft is rotatably arranged on the fixed seat; the top of fixing base is equipped with the fourth pivot, fourth pivot one end is rotated and is located on the curb plate, the middle part of fourth pivot is equipped with a cam, the utility model has the characteristics of convenient operation, be convenient for satisfy the different elasticity of driving chain and adjust.

Description

Paper bag machine transmission chain tightness degree adjusting device

Technical Field

The utility model relates to a technical field is adjusted to the chain elasticity, specifically is a container bag machine driving chain elasticity adjusting device.

Background

The chain is generally a metallic chain ring or ring, and is used for mechanical transmission and traction. Chains used to obstruct traffic paths (e.g. in streets, rivers or estuary entrances), chains used mechanically. The paper bag machine is used for manufacturing paper bags, and power transmission is required to be carried out through a chain and a chain wheel and the like in the operation process of the equipment. The existing equipment is inconvenient for adjusting the tightness of the transmission chain and cannot meet the adjustment of various tightness states.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a paper bag machine driving chain tightness degree adjusting device to solve the problem of proposing among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a tightness degree adjusting device for a paper bag machine transmission chain comprises a side plate, wherein the side plate is provided with a first rotating shaft, a second rotating shaft and a third rotating shaft, the number of the second rotating shafts is at least two, the first rotating shaft is provided with a driving chain wheel, and each second rotating shaft is provided with a driven chain wheel; a guide groove is formed in the side plate, a third rotating shaft penetrates through the guide groove, an adjusting chain wheel is arranged on the third rotating shaft, and a chain is wound on the driving chain wheel, the driven chain wheel and the adjusting chain wheel together; and one end of the third rotating shaft, which is far away from the adjusting chain wheel, is connected with an adjusting mechanism.

Furthermore, the adjusting mechanism comprises a fixed seat, the fixed seat is connected with the side plate in a sliding manner, and the third rotating shaft is rotatably arranged on the fixed seat; a fourth rotating shaft is arranged above the fixed seat, one end of the fourth rotating shaft is rotatably arranged on the side plate, a cam is arranged in the middle of the fourth rotating shaft, and the bottommost end of the cam is in contact with the top of the fixed seat; a connecting rod is fixed at one end of the fourth rotating shaft, which is far away from the side plate, and a positioning assembly is arranged on the connecting rod; a screw rod is fixed at the center of the bottom of the fixed seat, the screw rod penetrates through a U-shaped seat, the U-shaped seat is fixed on the side plate, and the top of the U-shaped seat is in contact with the bottom of the fixed seat; a fastening nut matched with the screw is sleeved outside the screw, and the top of the fastening nut is contacted with the bottom of the U-shaped seat; the U-shaped seat is provided with two limiting holes, two sliding rods penetrate through the two limiting holes respectively, the sliding rods are connected with the limiting holes in a sliding mode, the bottoms of the two sliding rods are connected with a supporting seat together, and the supporting seat is fixed on the side plate.

Furthermore, the positioning assembly comprises a positioning disc arranged outside the cam, two ends of the positioning disc are respectively fixed with a fixing block, the fixing blocks are connected to the side plates, and a plurality of positioning holes are uniformly distributed on the circumference of the positioning disc; a positioning rod matched with the positioning rod is movably arranged in one positioning hole, a sleeve is arranged outside the positioning rod and fixed in the connecting rod, a top cover is arranged at the top of the sleeve, and a bottom cover is arranged at the bottom of the sleeve; a second through hole matched with the positioning rod is formed in the bottom cover, a first through hole is formed in the top cover, a pressing rod matched with the first through hole is movably arranged in the first through hole in a penetrating mode, a stop block is arranged outside the pressing rod, and the stop block is in contact with the bottom cover; the novel elastic pressing device is characterized in that a compression spring is connected between the pressing rod and the positioning rod, two fixed pulleys are arranged inside the sleeve and symmetrically arranged on two sides of the pressing rod, two pull ropes are respectively connected with two sides of the pressing rod and two sides of the positioning rod, the two pull ropes are respectively wound around the two fixed pulleys, and the pull ropes are in a tightening state.

Furthermore, the first through hole, the second through hole, the pressing rod and the positioning rod are coaxial.

Furthermore, the positioning plate is of a half circular ring structure, and the circle center of the circular ring is collinear with the axis of the fourth rotating shaft.

Furthermore, the radius of the arc on the inner side of the disc is larger than the distance between the axle center of the fourth rotating shaft and the convex part of the cam.

Furthermore, one side of the fixed seat, which is close to the side plate, is provided with two sliding blocks, the two sliding blocks are connected in sliding rails matched with the sliding blocks in a sliding mode, the two sliding rails are fixedly connected with the side plate, and the two sliding rails are arranged on the inner side of the U-shaped seat.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses, through being provided with the adjusting sprocket, the adjusting sprocket is located the fixing base through the pivot, because the base sliding connection is on the curb plate, the base can reciprocate, simultaneously because be equipped with adjusting part, be convenient for realize fixing base position control and fixed; simultaneously through being equipped with a plurality of locating holes on the positioning disk, through inserting the locating lever in the different locating holes, realize the position rotation of cam, through the contact location of fixing base and cam, be convenient for realize a plurality of position control of fixing base, and then satisfy the adjustment of a plurality of positions of adjusting sprocket, be convenient for satisfy the regulation of the different elasticity of chain.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the adjustment mechanism of the present invention;

FIG. 3 is a schematic structural diagram of an adjusting mechanism of the present invention;

FIG. 4 is a schematic view of the installation of the U-shaped seat of the present invention;

fig. 5 is a schematic view of the fastening nut of the present invention;

fig. 6 is a schematic view of the slide rail of the present invention;

fig. 7 is a schematic structural view of the positioning assembly of the present invention;

in the figure: 1. a side plate; 11. a guide groove; 2. a chain; 3. a drive sprocket; 31. a first rotating shaft; 4. a driven sprocket; 41. a second rotating shaft; 5. adjusting the chain wheel; 6. a third rotating shaft; 7. an adjustment mechanism; 71. a fixed seat; 711. a slider; 7111. a slide rail; 712. a screw; 72. a cam; 73. a fourth rotating shaft; 74. a positioning assembly; 741. positioning a plate; 7411. positioning holes; 7412. a fixed block; 742. a sleeve; 743. positioning a rod; 744. a top cover; 7441. a first through hole; 745. a pressing lever; 746. a fixed pulley; 747. pulling a rope; 748. a compression spring; 749. a bottom cover; 7491. a second through hole; 75. a connecting rod; 76. a U-shaped seat; 761. a limiting hole; 77. a supporting seat; 771. a slide bar; 78. and (5) tightening the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a paper bag machine transmission chain tightness adjusting device comprises a side plate 1, wherein a first rotating shaft 31, a second rotating shaft 41 and a third rotating shaft 6 are arranged on the side plate 1, at least two second rotating shafts 41 are arranged, a driving chain wheel 3 is arranged on the first rotating shaft 31, and driven chain wheels 4 are respectively arranged on the second rotating shafts 41; a guide groove 11 is formed in the side plate 1, a third rotating shaft 6 penetrates through the guide groove 11, an adjusting chain wheel 5 is arranged on the third rotating shaft 6, and a chain 2 is wound on the driving chain wheel 3, the driven chain wheel 4 and the adjusting chain wheel 5 together; one end of the third rotating shaft 6, which is far away from the adjusting chain wheel 5, is connected with an adjusting mechanism 7.

The adjusting mechanism 7 comprises a fixed seat 71, the fixed seat 71 is connected with the side plate 1 in a sliding manner, and one end of the third rotating shaft 6, which is far away from the adjusting chain wheel 5, is movably connected with the fixed seat 71 through a bearing; a fourth rotating shaft 73 is arranged above the fixed seat 71, one end of the fourth rotating shaft 73 is rotatably arranged on the side plate 1, a cam 72 is arranged in the middle of the fourth rotating shaft 73, and the bottommost end of the cam 72 is in contact with the top of the fixed seat 71; a connecting rod 75 is fixed at one end of the fourth rotating shaft 73 far away from the side plate 1, and a positioning assembly 74 is arranged on the connecting rod 75; a screw 712 is fixed at the center of the bottom of the fixed seat 71, the screw 712 penetrates through a U-shaped seat 76, the U-shaped seat 76 is fixed on the side plate 1, and the top of the U-shaped seat 76 is in contact with the bottom of the fixed seat 71; a fastening nut 78 matched with the screw 712 is sleeved outside the screw 712, and the top of the fastening nut 78 is contacted with the bottom of the U-shaped seat 76; two limiting holes 761 are arranged on the U-shaped seat 76, two sliding rods 771 are respectively arranged in the two limiting holes 761 in a penetrating manner, the sliding rods 771 are connected with the limiting holes 761 in a sliding manner, the bottoms of the two sliding rods 771 are jointly connected with a supporting seat 77, and the fixed seat 71 is fixed on the side plate 1 through screws; the adjusting mechanism 7 is used for driving the fourth rotating shaft 73 and the adjusting chain wheel 5 to move up and down, so that the tightness between the adjusting chain wheel 5 and the chain 2 is realized.

The positioning assembly 74 comprises a positioning disc 741 arranged outside the cam 72, two ends of the positioning disc 741 are respectively fixed with a fixing block 7412, the fixing block 7412 is fixed on the side plate 1 through screws, and a plurality of positioning holes 7411 are uniformly distributed on the circumference of the positioning disc 741; wherein a positioning rod 743 adapted to the positioning hole 7411 is movably disposed in the positioning hole 7411, a sleeve 742 is disposed outside the positioning rod 743, the sleeve 742 is embedded in the connecting rod 75, the sleeve 742 is fixedly connected to the connecting rod 75, a top cover 744 is disposed on the top of the sleeve 742, and a bottom cover 749 is disposed at the bottom of the sleeve 742; a second through hole 7491 matched with the positioning rod 743 is formed in the bottom cover 749, a first through hole 7441 is formed in the top cover 744, a pressing rod 745 matched with the first through hole 7441 movably penetrates through the first through hole 7441, a stop block is arranged outside the pressing rod 745 and is in contact with the bottom cover 749, and a pressing head is arranged at one end, far away from the sleeve 742, of the pressing rod 745; a compression spring 748 is connected between the pressing rod 745 and the positioning rod 743, the compression spring 748 is in a compressed state, two fixed pulleys 746 are arranged inside the sleeve 742, the fixed pulleys 746 are rotatably arranged in the sleeve 742, the two fixed pulleys 746 are symmetrically arranged on both sides of the pressing rod 745, a pulling rope 747 is respectively connected on both sides of the pressing rod 745 and both sides of the positioning rod 743, the two pulling ropes 747 respectively wind around the two fixed pulleys 746, and the pulling rope 747 is in a tightened state.

The centers of the positioning holes 7411 are located on the same arc, and the center of the arc is collinear with the axis of the fourth shaft 73, and the distance from the axis of the sleeve 742 to the axis of the fourth shaft 73 is equal to the radius of the arc, so that the positioning rod 743 can be inserted into different positioning holes 7411.

The first through hole 7441, the second through hole 7491, the pressing rod 745 and the positioning rod 743 are coaxial, so that the pressing rod 745 can move in the first through hole 7441 conveniently, and the limiting rod can move in the second through hole 7491 conveniently.

The positioning disc 741 is of a half-ring structure, the center of the ring is collinear with the axis of the fourth rotating shaft 73, and the radius of the arc on the inner side of the disc is larger than the distance from the axis of the fourth rotating shaft 73 to the protruding part of the cam 72, so that the cam 72 does not contact with the positioning disc 741 when rotating, and the cam 72 can rotate freely.

Two sliding blocks 711 are arranged on one side, close to the side plate 1, of the fixed seat 71, the two sliding blocks 711 are connected in sliding rails 7111 matched with the fixed seat, the two sliding rails 7111 are fixedly connected with the side plate 1, the two sliding rails 7111 are arranged on the inner side of the U-shaped seat 76, and the fixed seat 71 can move up and down conveniently through the sliding blocks 711 and the sliding rails 7111, so that the adjusting chain wheel 5 can be driven to move up and down.

The working principle is as follows: when the tightness of the chain 2 is adjusted, the fastening nut 78 is firstly screwed out, then the pressing rod 745 pulls the pulling rope 747 through the pressing rod 745, so as to drive the positioning rod 743 to shrink into the sleeve 742 until the positioning rod 743 is moved out of the positioning hole 7411 originally arranged, because the fourth rotating shaft 73 and the connecting rod 75 are arranged, the positioning rod 743 can be driven to rotate through rotating the sleeve 742 and can correspond to different positioning holes 7411, in the rotating process of the sleeve 742, the fourth rotating shaft 73 drives the cam 72 to rotate, in the rotating process of the cam 72, the distance from the axis of the fourth rotating shaft 73 to the lowest end position of the cam 72 is different at different moments, the positioning rod 743 is aligned to different positioning holes 7411, the pressing rod 745 is loosened, under the elastic action of the compression spring, the positioning rod 743 can be inserted into different positioning holes 7411, at the moment, the cam 72 can not rotate, therefore, the positioning rod 743 is inserted into different positioning holes 74, the bottommost end position of the cam 72 is changed, the position can float up and down, when the top of the fixed seat 71 is in contact with the cams 72 at different bottommost end positions, the position of the fixed seat 71 can also move up and down, and the third rotating shaft 6 is arranged on the fixed seat 71, so that when the top of the fixed seat 71 is in contact with the cams 72 at different bottommost end positions, the position adjustment of the adjusting chain wheel 5 can be realized, and due to the fact that the screw 712, the fastening nut 78, the sliding rod 771 and the limiting hole 761 are arranged, after the top of the fixed seat 71 is in contact with the bottommost end of the cam 72, the top of the U-shaped seat 76 is abutted against the bottom of the fixed seat 71 by moving the U-shaped seat 76, and then the U-.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a paper bag machine driving chain tightness degree adjusting device which characterized in that: the chain transmission mechanism comprises a side plate (1), wherein a first rotating shaft (31), a second rotating shaft (41) and a third rotating shaft (6) are arranged on the side plate (1), at least two second rotating shafts (41) are arranged, a driving chain wheel (3) is arranged on the first rotating shaft (31), and a driven chain wheel (4) is respectively arranged on each second rotating shaft (41); a guide groove (11) is formed in the side plate (1), a third rotating shaft (6) penetrates through the guide groove (11), an adjusting chain wheel (5) is arranged on the third rotating shaft (6), and a chain (2) is wound on the driving chain wheel (3), the driven chain wheel (4) and the adjusting chain wheel (5) together; and one end of the third rotating shaft (6) far away from the adjusting chain wheel (5) is connected with an adjusting mechanism (7).

2. The paper bag machine transmission chain tightness degree adjusting device according to claim 1, characterized in that: the adjusting mechanism (7) comprises a fixed seat (71), the fixed seat (71) is connected with the side plate (1) in a sliding mode, and the third rotating shaft (6) is rotatably arranged on the fixed seat (71); a fourth rotating shaft (73) is arranged above the fixed seat (71), one end of the fourth rotating shaft (73) is rotatably arranged on the side plate (1), a cam (72) is arranged in the middle of the fourth rotating shaft (73), and the bottommost end of the cam (72) is in contact with the top of the fixed seat (71); a connecting rod (75) is fixed at one end of the fourth rotating shaft (73) far away from the side plate (1), and a positioning assembly (74) is arranged on the connecting rod (75); a screw rod (712) is fixed at the center of the bottom of the fixed seat (71), the screw rod (712) penetrates through a U-shaped seat (76), the U-shaped seat (76) is fixed on the side plate (1), and the top of the U-shaped seat is in contact with the bottom of the fixed seat (71); a fastening nut (78) matched with the screw rod (712) is sleeved outside the screw rod (712), and the top of the fastening nut (78) is contacted with the bottom of the U-shaped seat (76); be equipped with two spacing holes (761) on U type seat (76), wear to be equipped with two slide bars (771) in two spacing holes (761) respectively, slide bar (771) and spacing hole (761) sliding connection, the bottom of two slide bars (771) is connected with a supporting seat (77) jointly, and supporting seat (77) are fixed on curb plate (1).

3. The paper bag machine transmission chain tightness degree adjusting device according to claim 2, characterized in that: the positioning assembly (74) comprises a positioning disc (741) arranged outside the cam (72), two ends of the positioning disc (741) are respectively fixed with a fixed block (7412), the fixed blocks (7412) are connected to the side plate (1), and a plurality of positioning holes (7411) are uniformly distributed on the circumference of the positioning disc (741); a positioning rod (743) matched with the positioning hole (7411) is movably arranged in the positioning hole (7411), a sleeve (742) is arranged outside the positioning rod (743), the sleeve (742) is fixed in the connecting rod (75), a top cover (744) is arranged at the top of the sleeve (742), and a bottom cover (749) is arranged at the bottom of the sleeve (742); a second through hole (7491) matched with the positioning rod (743) is formed in the bottom cover (749), a first through hole (7441) is formed in the top cover (744), a pressing rod (745) matched with the first through hole is movably arranged in the first through hole (7441) in a penetrating mode, a stop block is arranged outside the pressing rod (745), and the stop block is in contact with the bottom cover (749); a compression spring (748) is connected between the pressing rod (745) and the positioning rod (743), two fixed pulleys (746) are arranged inside the sleeve (742), the two fixed pulleys (746) are symmetrically arranged on two sides of the pressing rod (745), two pull ropes (747) are respectively connected to two sides of the pressing rod (745) and two sides of the positioning rod (743), the two pull ropes (747) respectively wind around the two fixed pulleys (746), and the pull ropes (747) are in a tightened state.

4. The paper bag machine transmission chain tightness degree adjusting device according to claim 3, characterized in that: the first through hole (7441), the second through hole (7491), the pressing rod (745) and the positioning rod (743) are coaxial.

5. The paper bag machine transmission chain tightness degree adjusting device according to claim 3, characterized in that: the positioning disc (741) is of a half circular ring structure, and the circle center of the circular ring is collinear with the axis of the fourth rotating shaft (73).

6. The paper bag machine transmission chain tightness degree adjusting device according to claim 2, characterized in that: the radius of the circular arc on the inner side of the disc is larger than the distance between the axle center of the fourth rotating shaft (73) and the convex part of the cam (72).

7. The paper bag machine transmission chain tightness degree adjusting device according to claim 2, characterized in that: one side of the fixed seat (71) close to the side plate (1) is provided with two sliding blocks (711), the two sliding blocks (711) are connected in sliding rails (7111) matched with the sliding blocks in a sliding mode, the two sliding rails (7111) are fixedly connected with the side plate (1), and the two sliding rails (7111) are arranged on the inner side of the U-shaped seat (76).