CN210940894U

CN210940894U - Lifting unit and net stretching machine

Info

Publication number: CN210940894U
Application number: CN201921475447.9U
Authority: CN
Inventors: 徐志明; 吴冬
Original assignee: Changzhou Yalong Electronic Science & Technology Co ltd
Current assignee: Changzhou Yalong Electronic Science & Technology Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-07-07
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a lifting unit, it includes the frame and locates crane and elevating gear in the frame, the frame includes support frame and movable mounting horizontal pole on the support frame, the spout has been seted up to the support frame, the spout can supply the horizontal pole is provided with the quadrangle framework for frame lateral shifting on the support frame, crane movably sets up in the quadrangle framework, and four lateral walls of crane offset with the quadrangle framework and hold, elevating gear includes down tube and connecting rod, the down tube rotationally sets up four angles in the frame, and the one end of down tube is connected with the one end of horizontal pole, the other end and the connecting rod of down tube are connected, the one end of keeping away from the down tube on the connecting rod is connected with the crane. Through the pneumatic cylinder promotes the horizontal pole and removes to make the down tube rotate, the down tube drives the connecting rod and rotates, and then makes the crane reciprocate, consequently, the stability of screen cloth is good. The utility model also discloses a stretch net machine with this lift unit.

Description

Lifting unit and net stretching machine

Technical Field

The utility model relates to a processing production technical field especially relates to a lifting unit and stretch net machine.

Background

At present, the mesh stretching machine on the market is mainly used for stretching the silk screen printing plate. The existing net expanding machine only repeatedly stretches the net cloth in the plane direction and does not repeatedly stretch the net cloth in the height direction during working, so that the stability of the net cloth is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a lifting unit and a net-expanding machine with good stability.

The utility model provides a technical scheme that its technical problem adopted is: a lifting unit comprises a frame, a lifting frame and a lifting device which are arranged on the frame, the frame comprises a support frame and a cross bar movably arranged on the support frame, the support frame is provided with a chute, the sliding groove can be used for the transverse movement of the cross rod relative to the frame, the support frame is provided with a quadrilateral frame body, the lifting frame is movably arranged in the quadrilateral frame body, and the four side walls of the lifting frame are propped against the quadrilateral frame body, the lifting device comprises inclined rods and connecting rods, the inclined rods are rotatably arranged at the four corners of the machine frame, one end of the inclined rod is connected with one end of the cross rod, the other end of the inclined rod is connected with the connecting rod, one end of the connecting rod, which is far away from the inclined rod, is connected with the lifting frame, the transverse rod is moved, and the lifting frame abuts against the screen cloth.

Further, the lifting unit further comprises a hydraulic cylinder, and the hydraulic cylinder can push the cross rod to move transversely.

Furthermore, the support frame includes first support frame, second support frame, third support frame and fourth support frame, first support frame, the second support frame, the third support frame and the fourth support frame sets gradually.

The utility model also provides a stretch net machine, stretch net machine includes aforementioned arbitrary the lifting unit.

Further, the net stretching machine further comprises a fixed strip and a movable strip, the movable strip comprises a first movable strip, a second movable strip and a third movable strip, the first movable strip and the second movable strip are arranged oppositely, and the third movable strip and the fixed strip are arranged oppositely.

Furthermore, a first sliding rail is arranged on the side wall of the third moving strip, which is close to one side of the second moving strip, and the first sliding rail is connected with the sliding piece in a sliding and embedded mode.

Further, the net stretching machine further comprises a net clamping mechanism, and the net clamping mechanism is respectively arranged on the fixed strip, the first movable strip, the second movable strip and the third movable strip.

Further, press from both sides net mechanism and include holder, lower holder, handle, first articulated rod and second articulated rod, the one end of first articulated rod with last holder fixed connection, the intermediate position of first articulated rod with the handle is articulated, the other end of first articulated rod with holder is articulated down, the one end of second articulated rod with the handle is articulated, the other end of second articulated rod with holder is articulated down.

Furthermore, the bottom of the upper clamping seat is provided with a groove, the top of the lower clamping seat is provided with a protrusion, and the groove is matched with the protrusion.

Furthermore, a vertical plate is arranged on the third moving strip, and the net clamping mechanism is installed on the vertical plate.

The utility model has the advantages that: the utility model provides a lifting unit or stretch-net machine, through the pneumatic cylinder promotes horizontal pole lateral shifting in the spout to make the down tube rotate, the down tube drives the connecting rod and rotates, and then makes the elevator reciprocate in quadrilateral framework, stretch-net machine is to the screen cloth when the screen cloth is repeated a lot of drawing in the plane direction, through increasing lifting unit, repeats a lot of drawing to the direction of height of screen cloth, consequently, the stability of screen cloth is good.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a net stretching machine of the present invention;

FIG. 2 is a top view of the fourdrinier machine of FIG. 1;

FIG. 3 is a schematic view of the structure of a clamping mechanism of the net-spreading machine shown in FIG. 1;

FIG. 4 is a front view of a clamping mechanism in the net-spreading machine of FIG. 3;

FIG. 5 is a cross-sectional view taken along A-A of the net-spreading machine of FIG. 1;

FIG. 6 is a cross-sectional view taken along B-B of the net-spreading machine shown in FIG. 2;

fig. 7 is a cross-sectional view along C-C of the net-spreading machine shown in fig. 2.

The names and the numbers of the parts in the figure are respectively as follows:

frame 1 first support 11 and second support 12

Third support frame 13 and fourth support frame 14 fixing strip 2

Moving strip 3 first moving strip 31 second moving strip 32

Third moving strip 33 vertical plate 331 first sliding rail 332

Diagonal rod 71 lifting frame 22 net clamping mechanism 4

Handle 43 of upper clamping seat 41 and lower clamping seat 42

The first hinge rod 44 and the second hinge rod 45 are recessed 411

Projection 421 longitudinal movement means 5 fourth gear 55

First bearing 58 second bearing 59 first sleeve 510

Second socket 511 first connector 512 second connector 513

Ninth gear 51 of first lead screw 514, second lead screw 515

First gear 52, second gear 53, third gear 54

Fifth gear 56 sixth gear 57 first chain 516

Second chain 517 third chain 518 lateral shifting means 6

Second slide rail 61 slider 62 elevating gear 7

First fixed pulley 64, movable pulley 65 and second fixed pulley 66

Fourth chain 67 crossbar 15 connecting rod 72

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Please refer to fig. 1 to 7, the utility model provides a stretch net machine, it includes lifting unit, fixed strip 2, removes strip 3, presss from both sides net mechanism 4, vertical migration device 5 and horizontal migration device 6, lifting unit includes elevating gear 7 and frame 1, and fixed strip 2, remove strip 3 and elevating gear 7 all install in frame 1, and it has a plurality ofly to press from both sides net mechanism 4, and press from both sides net mechanism 4 and install respectively on fixed strip 2 and remove strip 3, and vertical migration device 5 and horizontal migration device 6 all set up in the inside of frame 1.

The rack 1 comprises a first support frame 11, a second support frame 12, a third support frame 13, a fourth support frame 14 and a cross bar 15, wherein the first support frame 11, the second support frame 12, the third support frame 13 and the fourth support frame 14 are sequentially arranged, and the tops of the first support frame 11, the second support frame 12, the third support frame 13 and the fourth support frame 14 are all provided with kidney-shaped grooves (not shown). The first support frame 11, the second support frame 12, the third support frame 13 and the fourth support frame 14 are collectively referred to as a support frame. The number of the cross bars 15 is two, and the two cross bars 15 are movably mounted at two ends of the first support frame 11, the second support frame 12, the third support frame 13 and the fourth support frame 14 respectively. In the present embodiment, the cross bar 15 can move only left and right, but not up and down. Specifically, the first support frame 11, the second support frame 12, the third support frame 13, and the fourth support frame 14 are all provided with sliding grooves (not shown), and the sliding grooves can allow the cross bar 15 to move left and right relative to the rack 1.

The lifting device 7 comprises four inclined rods 71 and four connecting rods 72, the number of the inclined rods 71 is equal to that of the connecting rods 72, and the inclined rods 71 correspond to the connecting rods 72 one by one. The inclined rods 71 are rotatably arranged at four corners of the machine frame 1, one end of each inclined rod 71 is connected with one end of the cross rod 15, the other end of each inclined rod 71 is connected with the connecting rod 72, and one end, far away from the inclined rods 71, of the connecting rod 72 is connected with the lifting frame 22. When in use, the cross bar 15 is moved leftwards, so that the inclined bar 71 gradually rotates towards the vertical state due to the movement of the cross bar 15, the inclined bar 71 drives the connecting bar 72 to rotate, and the lifting frame 22 further moves upwards. In the present embodiment, the angle of rotation of the diagonal rod 71 is 75 ° to 90 °.

The lifting unit further comprises a hydraulic cylinder (not shown) which is arranged on the frame 1 and can push the cross rod 15 to move left and right.

Preferably, the lifting unit further comprises a lifting frame 22, a quadrilateral frame body is arranged on the supporting frame, and the lifting frame 22 is movably arranged in the quadrilateral frame body. In the present embodiment, the crane 22 can only move up and down, but cannot move left and right. Specifically, four side walls of the crane 22 abut against the quadrangular frame body. When in use, the cross rod 15 is moved, and the lifting frame 22 is abutted against the mesh cloth.

The moving bar 3 includes a first moving bar 31, a second moving bar 32 and a third moving bar 33, and the first moving bar 31 and the second moving bar 32 are disposed on two opposite sides of the frame 1. When in use, the first moving bar 31 and the second moving bar 32 may move in the longitudinal direction of the frame 1. The third moving strip 33 is opposite to the fixed strip 2, a vertical plate 331 is arranged on the third moving strip 33, and a first slide rail 332 is arranged on the side wall of one side of the third moving strip 33 close to the second moving strip 32. When in use, the third moving strip 33 can move along the transverse direction of the frame 1, and it is understood that the vertical plate 331 moves along the transverse direction of the frame 1 under the driving of the third moving strip 33.

Referring to fig. 3 and 4, the clamping mechanism 4 is disposed on the fixed bar 2, the first movable bar 31, the second movable bar 32, and the vertical plate 331, respectively. The net clamping mechanism 4 includes an upper clamping seat 41, a lower clamping seat 42, a handle 43, a first hinge rod 44 and a second hinge rod 45. The bottom of the upper holder 41 is provided with a groove 411, the top of the lower holder 42 is provided with a protrusion 421, and the groove 411 is matched with the protrusion 421. The number of the grooves 411 is multiple, the number of the protrusions 421 is multiple, the number of the grooves 411 is equal to the number of the protrusions 421, and the grooves 411 correspond to the protrusions 421 one by one. One end of the first hinge rod 44 is fixedly connected with the upper clamping seat 41, the approximately middle position of the first hinge rod 44 is hinged with the handle 43, and the end of the first hinge rod 44 far away from the upper clamping seat 41 is hinged with the lower clamping seat 42. One end of the second hinge rod 45 is hinged with the handle 43, and the other end of the second hinge rod 45 is hinged with the lower clamping seat 42. When the mesh cloth clamping device is used, the handle 43 is pushed forwards to drive the upper clamping seat 41 to be pushed forwards, so that the groove 411 on the upper clamping seat 41 is matched with the protrusion 421 on the lower clamping seat 42, and the mesh cloth is clamped by the upper clamping seat 41 and the lower clamping seat 42.

Referring to fig. 5, the longitudinal moving device 5 includes a fourth gear 55, a first bearing 58, a second bearing 59, a first sleeve 510, a second sleeve 511, a first connecting member 512, a second connecting member 513, a first lead screw 514, and a second lead screw 515. The first lead screw 514 and the second lead screw 515 are arranged on the fourth support frame 12, and the screw thread directions of the first lead screw 514 and the second lead screw 515 are opposite. The fourth gear 55 is a double gear, the fourth gear 55 is disposed between the first lead screw 514 and the second lead screw 515, and both the first lead screw 514 and the second lead screw 515 are connected to the fourth gear 55. The first bearing 58 is connected with one end of the first lead screw 514 far away from the fourth gear 55, and the second bearing 59 is connected with one end of the second lead screw 515 far away from the fourth gear 55. First sleeve 510 is threaded on first lead screw 514, and the one end of first connecting piece 512 stretches into kidney-shaped inslot and first sleeve 510 fixed connection, the other end of first connecting piece 512 stretches out the kidney-shaped inslot is outer with first removal strip 31 fixed connection to make first sleeve 510 and first connecting piece 512 along the length direction in kidney-shaped groove removes, and does not rotate. The second sleeve 511 is screwed on the second lead screw 515, one end of the second connecting piece 513 extends into the kidney-shaped groove and is fixedly connected with the second sleeve 511, and the other end of the second connecting piece 514 extends out of the kidney-shaped groove and is fixedly connected with the second moving strip 32, so that the second sleeve 511 and the second connecting piece 514 move along the length direction of the kidney-shaped groove without rotating. When the device is used, the fourth gear 55 is rotated to rotate the first lead screw 514 and the second lead screw 515, so that the first sleeve 510 and the second sleeve 511 move left and right relative to the first lead screw 514 and the second lead screw 515, and further the first moving strip 31 and the second moving strip 32 are driven to move left and right relative to the rack 1.

In addition, referring to fig. 6, the longitudinal moving device 5 further includes a ninth gear 51, a first gear 52, a second gear 53, a third gear 54, a fifth gear 56, a sixth gear 57, a first chain 516, a second chain 517 and a third chain 518, wherein the first gear 52, the second gear 53, the third gear 54, the fifth gear 56 and the sixth gear 57 are all double gears, the ninth gear 51 is erected between the first support frame 11 and the second support frame 12, the first gear 52 is disposed in the first support frame 11, the second gear 53 is disposed in the second support frame 12, the third gear 54 is disposed in the third support frame 13, the fifth gear 56 is erected between the second support frame 12 and the third support frame 13, the sixth gear 57 is erected between the third support frame 13 and the fourth support frame 14, the first chain 516 is used for connecting the ninth gear 51, the first gear 52, the second gear 53 and the fifth gear 56, the second link 517 is for connecting the fifth gear 56, the third gear 54 and the sixth gear 57, and the third chain 518 is for connecting the sixth gear 57 and the fourth gear 55. When in use, the ninth gear 51 rotates, the first chain 516 rotates the first gear 52, the second gear 53 and the fifth gear 56, the fifth gear 56 rotates, so that the second chain 517 rotates the third gear 54 and the sixth gear 57, and the sixth gear 57 rotates, so that the fourth gear 55 rotates.

Referring to fig. 5, the transverse moving device 6 includes two second sliding rails 61 and two sliding members 62, the two second sliding rails 61 are respectively installed on the first moving bar 31 and the second moving bar 32, the sliding members 62 are substantially L-shaped, and the sliding members 62 are slidably installed on the second sliding rails 61 and slidably engaged with the first sliding rails 332 on the third moving bar 33. When in use, the sliding member 62 slides back and forth in the radial direction of the second slide rail 61, thereby causing the third moving bar 33 to slide back and forth relative to the frame 1.

In addition, referring to fig. 7, the lateral moving device 6 further includes two first fixed pulleys 64, two movable pulleys 65, two second fixed pulleys 66 and two steel cables 67, the first fixed pulley 64 is disposed between the first support frame 11 and the second support frame 12, the two movable pulleys 65 are disposed on the frame 1, the two second fixed pulleys 66 are disposed in the first moving bar 31 and the second moving bar 32, one end of the steel cable 67 is connected to the first fixed pulley 64, and the other end of the steel cable 67 is connected to the second fixed pulley 66 after passing around the movable pulley 65. When in use, the first fixed pulley 64 rotates, and the cable 67 drives the movable pulley 65 to rotate, so that the second fixed pulley 66 moves left and right, and further the third moving strip 33 moves left and right relative to the frame 1.

The net-stretching machine further comprises a first motor (not shown) and a second motor (not shown), the first motor and the second motor are arranged on the rack, an output shaft of the first motor is connected with the ninth gear 51, an output shaft of the second motor is connected with the first fixed pulley 64, when the net-stretching machine is used, the first motor is started, the ninth gear 51 can be rotated, and the second motor is started, so that the first fixed pulley 64 can be rotated.

When the mesh cloth is used, the mesh cloth is flatly laid on the machine frame 1, the mesh cloth is fixed by the mesh clamping mechanisms 4 respectively arranged on the fixed strip 2, the first moving strip 31, the second moving strip 32 and the third moving strip 33, the first motor is started, the ninth gear 51 can be rotated, the first chain 516 drives the first gear 52, the second gear 53 and the fifth gear 56 to rotate, the fifth gear 56 rotates, the second chain 517 drives the third gear 54 and the sixth gear 57 to rotate, the sixth gear 57 rotates, the fourth gear 55 rotates, the first screw rod 514 and the second screw rod 515 rotates, the first sleeve 510 and the second sleeve 511 longitudinally move on the first screw rod 514 and the second screw rod 515, and the first moving strip 31 and the second moving strip 32 are driven to longitudinally move relative to the machine frame 1; the staff moves the third movable strip 33 to the approximate middle position, starts the second motor, can make the first fixed pulley 64 rotate, and the cable wire 67 drives the movable pulley 65 to rotate, thereby makes the second fixed pulley 66 lateral shifting, and then makes the third movable strip 33 lateral shifting for frame 1, the pneumatic cylinder promotes the horizontal pole 15 to move, thereby makes down tube 51 rotate, and down tube 51 drives connecting rod 52 and rotates, and then makes crane 22 reciprocate.

The utility model provides a lifting unit or stretch-net machine, through the pneumatic cylinder promotes horizontal pole 15 and is in lateral shifting in the spout to make down tube 71 rotate, down tube 71 drives connecting rod 72 and rotates, and then makes crane 22 be in reciprocate in the quadrilateral framework, stretch-net machine when the screen cloth is stretched many times in the plane direction, through increasing lifting unit, stretch many times its direction of height repeatedly, consequently, the stability of screen cloth is good.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a lifting unit for screen cloth, its characterized in that: the lifting unit comprises a frame, a lifting frame and a lifting device, the lifting frame and the lifting device are arranged on the frame, the frame comprises a support frame and a cross rod movably arranged on the support frame, the supporting frame is provided with a sliding chute which can be used for the transverse rod to transversely move relative to the frame, the support frame is provided with a quadrilateral frame body, the lifting frame is movably arranged in the quadrilateral frame body, and the four side walls of the lifting frame are propped against the quadrilateral frame body, the lifting device comprises inclined rods and connecting rods, the inclined rods are rotatably arranged at the four corners of the machine frame, one end of the inclined rod is connected with one end of the cross rod, the other end of the inclined rod is connected with the connecting rod, one end of the connecting rod, which is far away from the inclined rod, is connected with the lifting frame, the transverse rod is moved, and the lifting frame abuts against the screen cloth.

2. The lift unit of claim 1, wherein: the lifting unit further comprises a hydraulic cylinder, and the hydraulic cylinder can push the cross rod to move transversely.

3. The lift unit of claim 1, wherein: the support frame includes first support frame, second support frame, third support frame and fourth support frame, first support frame the second support frame the third support frame and the fourth support frame sets gradually.

4. A net stretching machine is characterized in that: the web-spreading machine comprises a lifting unit according to any one of claims 1-3.

5. The web expanding machine according to claim 4, wherein: the net-opening machine further comprises a fixed strip and a movable strip, the movable strip comprises a first movable strip, a second movable strip and a third movable strip, the first movable strip is arranged opposite to the second movable strip, and the third movable strip is arranged opposite to the fixed strip.

6. The web expanding machine according to claim 5, wherein: and a first sliding rail is arranged on the side wall of the third moving strip, which is close to one side of the second moving strip, and the first sliding rail is connected with the sliding piece in a sliding and embedded manner.

7. The tenter according to claim 6, characterized in that: the net stretching machine further comprises a net clamping mechanism, and the net clamping mechanism is arranged on the fixed strip, the first moving strip, the second moving strip and the third moving strip respectively.

8. The web expanding machine according to claim 7, wherein: press from both sides net mechanism and include holder, lower holder, handle, first articulated rod and second articulated rod, the one end of first articulated rod with last holder fixed connection, the intermediate position of first articulated rod with the handle is articulated, the other end of first articulated rod with holder is articulated down, the one end of second articulated rod with the handle is articulated, the other end of second articulated rod with the holder is articulated down.

9. The web expanding machine according to claim 8, wherein: the bottom of the upper clamping seat is provided with a groove, the top of the lower clamping seat is provided with a bulge, and the groove is matched with the bulge.

10. The web expanding machine according to claim 7, wherein: and a vertical plate is arranged on the third moving strip, and the net clamping mechanism is arranged on the vertical plate.