CN211310333U

CN211310333U - Tensioning device of plastic net setting machine

Info

Publication number: CN211310333U
Application number: CN201922215062.5U
Authority: CN
Inventors: 滕国民; 李正江
Original assignee: Shaoxing Naite Plastics Co ltd
Current assignee: Shaoxing Naite Plastics Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-21
Anticipated expiration: 2029-12-10

Abstract

The utility model relates to a overspeed device tensioner of plastic net forming machine relates to the technical field of plastic net processing equipment, which comprises a frame, be provided with the tensioning frame in the frame, the tensioning frame is including rotating the pivot of installing in the frame and setting up along frame width direction, fixed mounting is at epaxial connecting rod of pivot and fixed mounting just be on a parallel with the depression bar that the pivot set up on the connecting rod, the depression bar passes through the connecting rod and links to each other with the pivot, be provided with the adjusting device who is used for adjusting the depression bar angle on the depression bar, adjusting device is including sliding at least a briquetting of installing on the depression bar and installing the locating part. The utility model discloses when adjusting the tensioning frame, thereby change the briquetting to the pressure of depression bar through the quantity of increase, decompression piece for the pivot takes place to rotate, thereby has adjusted overspeed device tensioner's angle, thereby the tensile force of adjustment tensioning frame is difficult for receiving external force influence, rolling work after convenient.

Description

Tensioning device of plastic net setting machine

Technical Field

The utility model belongs to the technical field of the technique of plastic net processing equipment and specifically relates to a overspeed device tensioner of plastic net forming machine is related to.

Background

Plastic nets such as a filter screen, a screen window net and the like are heated and melted in an extruder through plastic raw materials, the melted plastic flows through pores of a die opening through a die head to form two strands of melted material wires, the two strands of material wires are intermittently converged at one point due to rotation or up-and-down movement of the die head, so that a network is formed, and the network is shaped into a net after cooling and stretching.

At present, the patent of publication No. CN208615298U discloses a tension mechanism for processing plastic web, including the frame, install the drive roller group in the frame, the drive roller group is including installing first driving roller, second driving roller, the third driving roller at the frame front end and being used for the drive second driving roller pivoted first driving piece, the tensioning frame is installed in the rotation of frame foremost. During feeding, the plastic net moves forward continuously under the tensioning action of the tensioning frame and driven by the transmission roller group.

The technical scheme has the following defects: when the plastic net passes through the tensioning frame, the plastic net can be crushed or torn due to overlarge tensioning force of the tensioning frame, but the plastic net is lost due to too small tensioning force of the tensioning frame, so that the plastic net is folded or has different thicknesses.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tensioning device of plastic net forming machine adjusts the tensile force of tensioning frame through adjusting device to the angle of tensioning frame to make things convenient for the rolling work of plastic net.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a overspeed device tensioner of plastic net forming machine, includes the frame, be provided with the tensioning frame in the frame, the tensioning frame is including rotating pivot, the epaxial connecting rod of fixed mounting and the depression bar that fixed mounting just is on a parallel with the pivot setting of installing in the frame and setting up along frame width direction in the frame, be provided with on the depression bar and be used for adjusting the adjusting device of depression bar angle, adjusting device is including sliding and installing an at least briquetting on the depression bar and install the locating part on the depression bar.

By adopting the technical scheme, when the tensioning frame is adjusted, the pressure of the pressing blocks on the pressing rod is changed through the number of the pressure increasing and reducing blocks, so that the rotating shaft rotates, the angle of the tensioning device is adjusted, and the tensioning force of the tensioning frame is adjusted. Meanwhile, the tensioning frame is not easy to change the angle and tension force of the plastic net due to the influence of external force, and the rolling operation is convenient.

Preferably, the two ends of the pressing rod are provided with pressing blocks, and the two ends of the pressing rod are provided with limiting parts.

Through adopting above-mentioned technical scheme, the depression bar both ends all are provided with the briquetting, set up like this and make tensioning frame stability and equilibrium improve, adjust moreover more easily.

Preferably, external threads are arranged at two ends of the pressing rod, the pressing block is sleeved on the two external threads, the limiting parts comprise limiting nuts which are arranged at two ends of the pressing rod and located on two sides of the pressing block, and the limiting nuts are in threaded connection with the pressing rod.

Through adopting above-mentioned technical scheme, support the briquetting both sides tightly through stop nut, when needs adjustment tensile force, unscrew one side stop nut, later increase, decompression piece quantity, at last again with stop nut dress, support the briquetting tightly can.

Preferably, be provided with the subassembly that slides in the frame, the subassembly that slides is including installing the bearing frame at pivot both ends, the fixed slider that sets up on the bearing frame and with the slider cooperation and install the slide rail that sets up along vertical direction in the frame, be provided with the mounting on the bearing frame.

Through adopting above-mentioned technical scheme, according to the height of different frames, tensioning frame can be through the subassembly height-adjusting on the frame that slides to the work demand of the frame of adaptation co-altitude has improved the suitability of equipment.

Preferably, the fixing part comprises a fixing bolt and a gasket which are installed on the bearing seat, and the fixing bolt penetrates through the gasket to tightly abut the bearing seat on the sliding rail.

Through adopting above-mentioned technical scheme, adjust the height of tensioning frame through sliding bearing frame on the slide rail, then fix the bearing frame through the fixed action of fixing bolt and gasket to tensioning frame's is fixed has been realized.

Preferably, be provided with the tensioning rod in the frame, the tensioning rod is located tensioning frame top, the tensioning rod both ends are provided with elastic connection piece, elastic connection piece one end and frame fixed connection.

Through adopting above-mentioned technical scheme, the tensioning rod is used for further tensioning plastic net, and elastic connection piece can not only provide certain elasticity pretightning force for the tensioning rod, can also give certain surplus of plastic net, reduces the too big and tearing condition of plastic net that leads to of tensioning force.

Preferably, set up draw gear in the frame, draw gear is including rotating first driving roller, the second driving roller of installing in the frame and installing the drive assembly in the frame, first driving roller is located the below of tensioning lever, the second driving roller is located the top of tensioning lever.

Through adopting above-mentioned technical scheme, the plastic net passes through then and gets into first driving roller and second driving roller around the tension bar from the depression bar lower extreme, under drive assembly's effect, can carry out follow-up work with plastic net tractive in advancing the forming machine.

Preferably, the drive assembly includes a drive motor installed on the frame and located below the first drive roller, a first drive gear installed at one end of the first drive roller, and a second drive gear installed at one end of the second drive roller and meshed with the first drive gear, and the drive motor and the first drive roller are connected through a chain.

Through adopting above-mentioned technical scheme, drive gear through starting driving motor and rotate, drive first drive gear through the effect of chain and rotate to drive first driving roller and rotate, first drive gear drives second drive gear and rotates, thereby drive second driving roller and rotate.

To sum up, the utility model discloses a beneficial technological effect does:

1. the angle of the tensioning frame is adjusted through the adjusting device, so that the tensioning force of the tensioning frame is changed, and meanwhile, the tensioning frame is not easily influenced by external force to change the angle and the tensioning force of the plastic net, so that the condition that the thickness of the plastic net is not uniform is reduced;

2. the height of the tensioning frame is adjusted through the sliding assembly so as to meet the working requirements of the frames with different heights.

Drawings

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

fig. 2 is a schematic structural view of the tension frame of the present invention;

fig. 3 is an overall schematic view of the display traction device of the present invention.

Reference numerals: 1. a frame; 2. a tension frame; 21. a rotating shaft; 22. a connecting rod; 23. a pressure lever; 3. a bearing seat; 4. briquetting; 5. a limit nut; 7. a slipping component; 71. a slide rail; 8. a fixing member; 81. fixing the bolt; 9. a tension rod; 91. an elastic connecting sheet; 10. a traction device; 101. a first drive roller; 102. a second driving roller; 103. a drive motor; 104. a first drive gear; 105. a second transmission gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a overspeed device tensioner of plastic net forming machine, which comprises a frame 1, be provided with tensioning frame 2 in the frame 1, tensioning frame 2 includes pivot 21, connecting rod 22 and depression bar 23, pivot 21 both ends are passed through bearing frame 3 and are rotated and install in frame 1 and be on a parallel with 1 width direction of frame and set up, connecting rod 22 is provided with two, two connecting rods 22 are located the position that pivot 21 is close to two tip of length direction respectively, and every connecting rod 22 welds in pivot 21 and the setting of perpendicular to pivot 21, depression bar 23 fixed mounting is on connecting rod 22 and is on a parallel with pivot 21 and sets up.

The pressure lever 23 is provided with an adjusting device for adjusting the angle of the tension frame 2, and the adjusting device comprises two pressing blocks 4 and a limiting part. Two briquetting 4 slide respectively and overlap and establish at depression bar 23 both ends, and depression bar 23 both ends surface is provided with the screw thread, and the locating part includes two sets of stop nut 5, and stop nut 5 and depression bar 23 threaded connection, every stop nut 5 of group include two stop nut 5, and two stop nut 5 of every group are located the both sides of every briquetting 4 respectively. The two ends of the pressing block 4 are fixed through the limiting nuts 5, and when the tension force needs to be adjusted, the angle of the rotating shaft 21 is changed through the acting force of the number of the pressure increasing and reducing blocks 4 on the two ends of the pressing rod 23.

The frame 1 is provided with a sliding assembly 7, and the sliding assembly 7 includes two sliding blocks (not shown) and two sliding rails 71. The slide rails 71 are fixedly arranged at two sides of the frame 1, the slide rails 71 are vertically arranged, and a sliding channel in each slide rail 71 is T-shaped; the slider is also T type, and the slider slides and installs on slide rail 71, and bearing frame 3 fixed mounting is on the slider. Be provided with mounting 8 on the bearing frame 3, mounting 8 includes fixing bolt 81 and gasket, and fixing bolt 81 and gasket are all installed on the bearing frame 3 keep away from frame 1 one side, and fixing bolt 81 passes gasket 82 and supports bearing frame 3 tightly on slide rail 71.

The tensioning rod 9 is fixedly arranged on the frame 1, the tensioning rod 9 is positioned above the tensioning frame 2, two ends of the tensioning rod 9 are fixedly connected with elastic connecting pieces 91, one end of each elastic connecting piece 91 is fixedly connected to the frame 1 through a bolt, and the other end of each elastic connecting piece is connected with the tensioning rod 9 through a bolt. Tensioning rod 9 is used for further tensioning plastic net, and elastic connection piece 91 can not only provide certain elasticity pretightning force for tensioning rod 9, can also give certain surplus of plastic net, reduces the too big and tearing condition of plastic net that leads to of tensioning force.

Referring to fig. 3, a traction device 10 is arranged on the frame 1, the traction device 10 includes a first driving roller 101, a second driving roller 102 and a driving assembly, the first driving roller 101 is rotatably mounted on the frame 1 and located below the tension rod 9, and the second driving roller 102 is rotatably mounted on the frame 1 and located above the first driving roller 101. The driving assembly includes a driving motor 103, a first transmission gear 104, and a second transmission gear 105. Driving motor 103 installs in frame 1 bottom and is located the below of first drive roller 101, fixedly connected with drive gear (not marking in the figure) on the driving motor 103 output shaft, first drive gear 104 fixed mounting is in first drive roller 101 one end, second drive gear 105 fixed mounting is in second drive roller 102 one end, first drive gear 104 one end fixed mounting has third drive gear (not marking in the figure), drive gear passes through the chain and links to each other with third drive gear, first drive gear 104 meshes with second drive gear 105 mutually. Consequently, drive gear through start-up driving motor 103 and rotate, drive first drive gear 104 through the effect of chain and rotate to drive first driving roller 101 and rotate, first drive gear 104 drives second drive gear 105 and rotates, thereby drives second driving roller 102 and rotates, and first driving roller 101 and second driving roller 102 antiport this moment, plastic mesh walk around from between first driving roller 101 and the second driving roller 102.

The working principle of the embodiment is as follows:

when the tensioning frame 2 is adjusted, the number of the pressure increasing and reducing blocks 4 is changed to change the pressure of the pressing block 4 on the pressing rod 23, the rotating shaft 21 is rotated, the tensioning force of the tensioning frame is adjusted, then the pressing block 4 is fixed through the limiting nut 5, the plastic net passes through the lower end of the pressing rod 23 and bypasses the tensioning rod 9 to enter the first driving roller 101 and the second driving roller 102, the plastic net is pulled through the driving effect of the driving motor 103, and the plastic net continues to advance to start the shaping and rolling operation. Because the briquetting 4 is fixed, consequently, tensioning frame 2 is difficult for receiving external force influence and changes the angle and to the tensile force of plastic net, the design rolling work after convenient.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of improvements and decorations are not departed from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a overspeed device tensioner of plastic net forming machine, includes frame (1), be provided with tensioning frame (2) on frame (1), its characterized in that: tensioning frame (2) are including rotating pivot (21), connecting rod (22) and the depression bar (23) that fixed mounting just is on connecting rod (22) and be on a parallel with pivot (21) setting that install in frame (1) width direction on frame (1) and set up in pivot (21), be provided with on depression bar (23) and be used for adjusting the adjusting device of depression bar (23) angle, adjusting device is including sliding and installing at least briquetting (4) on depression bar (23) and install the locating part on depression bar (23).

2. The tensioning device of the plastic net setting machine as claimed in claim 1, wherein: both ends of the pressing rod (23) are provided with pressing blocks (4), and both ends of the pressing rod (23) are provided with limiting parts.

3. The tensioning device of the plastic net setting machine as claimed in claim 2, wherein: the utility model discloses a pressure bar (23) of motor vehicle engine, including depression bar (23), briquetting (4) cover are established on two sections external screw threads, locating part is including installing at depression bar (23) both ends and being located limiting nut (5) of briquetting (4) both sides, limiting nut (5) with depression bar (23) threaded connection.

4. The tensioning device of the plastic net setting machine as claimed in claim 1, wherein: be provided with subassembly (7) that slides on frame (1), subassembly (7) that slides is including installing bearing frame (3) at pivot (21) both ends, fixed slider that sets up on bearing frame (3) and cooperate and install slide rail (71) along vertical setting in frame (1) with the slider, be provided with mounting (8) on bearing frame (3).

5. The tensioning device of the plastic net setting machine as claimed in claim 4, wherein: the fixing piece (8) comprises a fixing bolt (81) and a gasket, the fixing bolt (81) is installed on the bearing seat (3), and the fixing bolt (81) penetrates through the gasket to enable the bearing seat (3) to be tightly abutted to the sliding rail (71).

6. The tensioning device of the plastic net setting machine as claimed in claim 1, wherein: be provided with tensioning rod (9) on frame (1), tensioning rod (9) are located tensioning frame (2) top, tensioning rod (9) both ends are provided with elastic connection piece (91), elastic connection piece (91) one end and frame (1) fixed connection.

7. The tensioning device of the plastic net setting machine as claimed in claim 6, wherein: set up draw gear (10) in frame (1), draw gear (10) are including rotating first driving roller (101), second driving roller (102) of installing in frame (1) and installing the drive assembly in frame (1), first driving roller (101) are located the below of tensioning rod (9), second driving roller (102) are located the top of tensioning rod (9).

8. The tensioning device of a plastic net setting machine as claimed in claim 7, wherein: the driving assembly comprises a driving motor (103) which is installed on the rack (1) and located below the first driving roller (101), a first driving gear (104) which is installed at one end of the first driving roller (101) and a second driving gear (105) which is installed at one end of the second driving roller (102) and meshed with the first driving gear (104), wherein the driving motor (103) is connected with the first driving roller (101) through a chain.