CN214522085U - Ear belt shearing device of ear belt welding machine - Google Patents

Abstract

The utility model relates to an ear area shearing mechanism of ear area welding machine, relate to the field of gauze mask production processing equipment, it includes the frame, the frame is fixed with the board of transmission ear area, the both ends of board set up respectively to feed end and discharge end along ear area transmission direction, the frame is fixed with the fixed plate respectively at the both ends of board, the fixed plate goes up and down to be provided with and is used for supporting tight piece in the board in tight ear area, the shearing groove has been seted up to board department, support the tight groove of supporting of intercommunication shearing groove in middle department of tight piece and set up, the board slides and is provided with two and cuts the blade, it passes the shearing groove and extends to supporting tight inslot to cut the blade. This application makes the displacement that the in-process that cuts to the ear area reduced the ear area and takes place, makes the effect of cutting to the ear area better, is convenient for carry out automatic transmission again with the ear area of cutting simultaneously, increases work efficiency.

Description

Ear belt shearing device of ear belt welding machine

Technical Field

The application relates to the field of mask production and processing equipment, in particular to an ear band shearing device of an ear band welding machine.

Background

At present, a mask is a sanitary product, generally worn at the mouth and nose part and used for filtering air entering the mouth and nose so as to achieve the effect of blocking harmful gas, smell, spray, virus and other substances, and is made of materials such as gauze or paper, the mask comprises a mask main body and an ear belt, the ear belt is fixed on the mask main body, and the ear belt is used for fixing the mask main body on the face of a user so as to achieve the effect of filtering the air.

The traditional Chinese patent with the patent application number of CN201720242289.7 provides a mask ear belt welding machine and a trimming unit thereof, which comprises a base, wherein a wire cutter is rotatably connected to the base and comprises a first shearing arm and a second shearing arm which are mutually crossed and hinged to the base, a driving mechanism for driving the first shearing arm and the second shearing arm to rotate relatively around a hinged point is arranged on the base, and the driving mechanism comprises two driving pieces which are respectively connected to the tail ends of the first shearing arm and the second shearing arm and a driving piece for driving the driving pieces to move relatively or oppositely.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: because the ear area rope texture of gauze mask is softer, when first arm of cutting and second arm of cutting cut the ear area of gauze mask the direction that changes the ear area to the ear area length that makes follow-up shearing is different, reduces the ear area yields.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the transmission direction of the ear strap is easy to change in the ear strap shearing process, the application provides an ear strap shearing device of an ear strap welding machine.

The application provides an ear area cutting device of ear area welding machine adopts following technical scheme:

the utility model provides an ear area shearing mechanism of ear area welding machine, includes the frame, the frame is fixed with the board of transmission ear area, the both ends of board are set up respectively to feed end and discharge end along ear area transmission direction, the frame in the both ends of board are fixed with the fixed plate respectively, the fixed plate goes up and down to be provided with and is used for supporting tight piece in the board tight ear area, board department has seted up the shear groove, the intercommunication has been seted up to the centre department of supporting the piece the tight groove of supporting of shear groove, the board slides and is provided with two and cuts the blade, cut the blade and pass the shear groove extends to support tight inslot.

Through adopting above-mentioned technical scheme, the ear area is by input frame, supports tight piece and descends to ear area department and supports tightly to the ear area together with the board, and two are cut the blade and are close to each other and cut the ear area, and the shearing groove makes the blade pass the butt department of supporting tight piece and board with supporting tight groove to be convenient for cut the ear area, support the piece and reduce the skew to the ear area in the shearing process of ear area, make the shearing length of ear area the same, increase the yields of the ear area of cutting.

Optionally, two the blade of cutting is kept away from the one end of supporting the piece all is fixed with the sliding block, the fixed plate corresponds the sliding block is provided with first double-threaded screw, first double-threaded screw's both ends rotate respectively connect in two the one end that the fixed plate is relative, the sliding block slide respectively in double-threaded screw's both ends, the one end of fixed plate is fixed with the rotation first rotating motor of first double-threaded screw.

Through adopting above-mentioned technical scheme, first stud screw of first rotation motor drive rotates, and first stud screw rotates and drives two sliding blocks and be close to each other, and two sliding blocks drive two and cut off the blade and be close to each other to make two cut off the blade and cut off the ear area, make the process of cutting off to the ear area more automatic.

Optionally, the fixed plate is fixed with the slide bar, the axis direction of slide bar with the axis direction of first double-end screw is parallel, the one end of sliding block wears to locate the slide bar.

Through adopting above-mentioned technical scheme, when the sliding block moved on first stud, the slider was restricted along with the ascending rotation in stud circumference to the slide bar, made the moving direction of sliding block be along the axis direction of first stud.

Optionally, the fixed plate is kept away from the one end of board is fixed with first backup pad, first backup pad is fixed with the lift cylinder, the piece of keeping away from of support the one end fixed connection of board the piston rod of lift cylinder.

By adopting the technical scheme, when the ear belt needs to be supported tightly, the piston rod of the lifting cylinder pushes the supporting block to descend, the supporting block descends to a position close to the machine table to support tightly the ear belt, the offset and the displacement generated in the ear belt cutting process are reduced, and the quality of the cut ear belt is better.

Optionally, a second supporting plate is fixed to the fixing plate at the feed end of the machine table, a pressing block is elastically arranged at one end of the second supporting plate, and a gap for ear belt transmission is formed between the pressing block and the machine table.

Through adopting above-mentioned technical scheme, when the ear area was gone into board department by the feed end transmission, press the briquetting and fix the ear area, reduce the skew that the ear area produced in the feeding process, make the ear area tensioning to be convenient for cut off the ear area.

Optionally, a limiting rod penetrates through the center of the second support plate, one end, away from the second support plate, of the limiting rod is fixed at the center of the pressing block, a tight spring is sleeved on the periphery of the limiting rod, and two ends of the tight spring abut against the second support plate and the pressing block respectively.

Through adopting above-mentioned technical scheme, the ear area is according to the center department of pressing block and board when transmitting, supports the tight spring and carries out the butt to pressing the pressing block, increases and presses the pressure of pressing the pressing block to the ear area, makes the tensioning effect of ear area better.

Optionally, two the relative one side of fixed plate slides and is provided with two grip blocks, the fixed plate corresponds the grip block rotates and is provided with the second double threaded screw, two the grip block symmetry spiral respectively wears to locate two different perisporium departments of second double threaded screw.

Through adopting above-mentioned technical scheme, after the ear area is cut off, the lift cylinder drives and supports tight piece and rise, and two grip blocks slide to the fracture department of ear area along the board surface, and two grip blocks of second stud drive move in opposite directions make two grip blocks press from both sides tightly the ear area raw materials from the fracture department, slide to initial position behind two grip block centre gripping ear area raw materials, with the ear area raw materials lengthening, the follow-up ear area raw materials of being convenient for are cuted.

It is optional, two the spout has all been seted up along ear area transmission direction to the fixed plate, the fixed plate in the spout slides and is provided with the slider, the slider is kept away from the one end of board is fixed with the second and rotates the motor, the second rotate motor axis of rotation fixed connection in double threaded screw's one end, the fixed plate is kept away from the one end of board is fixed with the promotion the gliding promotion cylinder of slider.

Through adopting above-mentioned technical scheme, cut the ear area off-line back, ear area fracture department stays in the shear groove department of board, and the promotion cylinder promotes the slider and removes in the spout to make the grip block remove at the bench, when the grip block removed to ear area department, the second rotated motor drive second stud screw and rotated and made two grip blocks press from both sides tight ear area raw materials, pressed from both sides and promoted the cylinder after pressing from both sides tight ear area raw materials and pull back the slider in situ, thereby realize the automatic transmission to the ear area, increase ear area transmission efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the ear band is cut, the abutting block reduces displacement generated in the ear band cutting process and limits the change of the transmission direction in the ear band cutting process, so that the yield of the cut ear band is increased;

2. when the ear belt enters the machine frame from the feeding end, the pressing block and the abutting spring press the ear belt to tension the ear belt, so that the ear belt is conveniently cut;

3. the ear area that back grip block will cut the department after the ear area is cut carries out the centre gripping and elongates the ear area raw materials that do not cut and realize the automatic transmission of ear area in the frame, increases work efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is a schematic sectional view taken along line a-a of fig. 1.

Reference numerals: 1. a frame; 2. a machine platform; 3. a fixing plate; 4. a first support plate; 5. a lifting cylinder; 6. a propping block; 7. cutting off the blade; 8. a sliding block; 9. a first double-headed screw; 10. a first rotating electric machine; 11. a slide bar; 12. shearing a groove; 13. abutting against the groove; 14. a second support plate; 15. a pressing block; 16. a limiting rod; 17. the spring is tightly propped; 18. a clamping block; 19. a second double-ended screw; 20. a chute; 21. a slider; 22. a second rotating electric machine; 23. and pushing the air cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses an ear strap shearing device of an ear strap welding machine. Referring to fig. 1, the ear belt shearing device of the ear belt welding machine comprises a frame 1, wherein a machine table 2 for conveying ear belts is fixed on the frame 1, the machine table 2 is in a metal plate shape, a shear groove 12 is formed in the shearing position of the ear belts of the machine table 2, the shear groove 12 penetrates through the machine table 2, the two ends of the machine table 2 are respectively arranged to be a feeding end and a discharging end along the ear belt conveying direction, the feeding end is one end, used for enabling ear belt raw materials to enter the frame 1, of the discharging end, and used for shearing the discharging position of the ear belt rear end product.

Referring to fig. 1, the frame 1 is fixed with the fixed plate 3 respectively at the both ends of board 2, and two fixed plates 3 are parallel to each other, and two fixed plates 3 and board 2 mutually perpendicular, and two fixed plates 3 of mutually perpendicular are fixed in the other both sides that the feed end and the discharge end are kept away from to board 2, and fixed plate 3 makes board 2 more stable on the frame 1.

Referring to fig. 2, a second supporting plate 14 is fixed on the fixing plate 3 at the feeding end of the machine 2, the second supporting plate 14 is a metal plate, one end of the second supporting plate 14 close to the machine 2 is parallel to the machine 2, two ends of the second supporting plate 14 are respectively fixedly connected to the two fixing plates 3, one end of the second supporting plate 14 is elastically provided with a pressing block 15, the pressing block 15 is a metal block with a smaller density, the ear band along the ear band transmission direction is transmitted between the pressing block 15 and the machine 2, one end of the pressing block 15 close to the machine 2 is abutted against the machine 2, a limiting rod 16 is arranged at the center of the second supporting plate 14 in a penetrating manner, a limiting cavity is arranged at the center of the second supporting rod, the inner diameter of the limiting cavity is the same as the diameter of the limiting rod 16, the limiting rod 16 is a metal rod, an abutting block is fixed at one end of the limiting rod 16 far from the pressing block 15, the abutting block is a cylindrical block metal, one end and the press block 15 fixed connection of butt joint piece, the diameter size of butt joint piece is greater than the internal diameter size of spacing chamber, the one end that second backup pad 14 was kept away from to gag lever post 16 is fixed in the center department of pressing press block 15, the week side cover of gag lever post 16 is equipped with and supports tight spring 17, support the both ends of tight spring 17 butt second backup pad 14 respectively and press block 15, make the tensioning effect of ear area better, be formed with the gap that is used for the ear area transmission between press block 15 and the board 2, when the ear area is gone into board 2 departments by the feed end transmission, press block 15 to fix the ear area, reduce the skew that the ear area produced in the feeding process, make the ear area tensioning, thereby be convenient for to the cutting of ear area.

Referring to fig. 1, a first supporting plate 4 is fixed at one end of a fixing plate 3 far away from a machine table 2, the first supporting plate 4 is a metal plate, two ends of the first supporting plate 4 are respectively and fixedly connected with two fixing plates 3, a lifting cylinder 5 is fixed at one end of the first supporting plate 4 far away from the machine table 2, a through hole for the piston rod of the lifting cylinder 5 to penetrate through is fixed on the first supporting plate 4, the piston rod of the first supporting plate 4 is arranged at the first supporting plate 4 along the extending part of the through hole, a support block 6 is fixed at the output end of the lifting cylinder 5, the support block 6 is a metal block, the long side direction of the support block 6 is vertical to the conveying direction of the earlap, one end of the support block 6 far away from the machine table 2 is fixedly connected with the piston rod of the lifting cylinder 5, when the earlap needs to be supported tightly, the piston rod of the lifting cylinder 5 pushes the support block 6 to descend to the position near the machine table 2 to support the earlap tightly, and offset and displacement generated in the cutting process of the earlap are reduced, the quality of the cut ear belt is better.

Referring to fig. 1 and 2, a machine table 2 is slidably provided with two shearing blades 7, the shearing blades 7 are rectangular metal blocks, one sides of the two shearing blades 7 opposite to each other are provided with blade ends, the middle of the two blade ends is a position where an ear band is conveyed on the machine table 2, one ends of the two shearing blades 7 far away from a butting block 6 are both fixed with sliding blocks 8, a first stud 9 is arranged on a fixing plate 3 corresponding to the sliding blocks 8, two ends of the first stud 9 are respectively rotatably connected to the opposite ends of the two fixing plates 3, the sliding blocks 8 respectively slide on two ends of the first stud 9, one end of the fixing plate 3 is fixed with a first rotating motor 10 which rotates the first stud 9, the first rotating motor 10 drives the first stud 9 to rotate, so that the two sliding blocks 8 drive the two shearing blades 7 to approach each other, and the two shearing blades 7 cut the ear band, the cutting process of the ear belt is more automated.

Referring to fig. 2, a sliding rod 11 is fixed on the fixed plate 3, an axial direction of the sliding rod 11 is parallel to an axial direction of the first stud 9, one end of the sliding block 8 penetrates through the sliding rod 11, the sliding rod 11 is fixed at one end of the fixed plate 3, which is far away from the machine 2, the first stud 9 is located at the center of the sliding rod 11 and the machine 2, when the sliding block 8 moves on the first stud 9, the sliding rod 11 limits the sliding block 8 to rotate along the circumferential direction of the first stud 9, so that the moving directions of the two sliding blocks 8 are convenient to limit, and the moving direction of the sliding block 8 is along the axial direction of the first stud 9.

Referring to fig. 2, a shearing groove 12 is formed in the machine table 2, the cross section of the shearing groove 12 is rectangular, the long side direction of the inner wall of the shearing groove 12 is the moving direction of the shearing blade 7 in the shearing groove 12, a tight abutting groove 13 communicated with the shearing groove 12 is formed in the middle of the tight abutting block 6, the long side forming direction of the inner wall of the tight abutting groove 13 is the same as that of the shearing groove 12, and the shearing blade 7 penetrates through the shearing groove 12 and extends into the tight abutting groove 13, so that the ear band raw material is conveniently sheared.

Referring to fig. 2, two clamping blocks 18 are slidably disposed on opposite sides of two fixing plates 3, the clamping blocks 18 are disposed to have L-shaped cross sections, the clamping blocks 18 respectively include longitudinal blocks and transverse blocks, the fixing plates 3 are rotatably disposed with second stud screws 19 corresponding to the clamping blocks 18, the two longitudinal blocks are respectively and symmetrically spirally disposed at two different peripheral walls of the second stud screws 19, the two transverse blocks are abutted to each other and can be abutted to each other to form a clamping effect, after the ear band is cut, the lifting cylinder 5 drives the abutting blocks 6 to ascend, the two clamping blocks 18 are slidably disposed along the surface of the machine table 2 to the fracture of the ear band, the second stud screws 19 drive the two clamping blocks 18 to move in opposite directions, so that the two clamping blocks 18 clamp the ear band raw material from the fracture, the two clamping blocks 18 slide to an initial position after clamping the ear band raw material, the initial position is an end of the clamping block 18 far from the block 15, the ear belt raw material is lengthened, so that the ear belt raw material can be conveniently cut subsequently.

Referring to fig. 1, the two fixing plates 3 are respectively provided with a sliding chute 20 along the ear belt transmission direction, the sliding chutes 20 are symmetrically arranged at two ends of the two fixing plates 3, the fixing plates 3 are slidably provided with a sliding block 21 at the sliding chute 20, two inner walls of the sliding chutes 20 are provided with guide grooves, the sliding block 21 is fixed with a guide block corresponding to the guide grooves, the sliding block 21 makes a reciprocating motion in the fixing plate 3 along the conveyor belt transmission direction through the guide grooves and the guide block, one end of the sliding block 21 away from the machine table 2 is fixed with a second rotating motor 22, a rotating shaft of the second rotating motor 22 is fixedly connected to one end of the double-head screw, one end of the fixing plate 3 away from the machine table 2 is fixed with a pushing cylinder 23 for pushing the sliding block 21, after the ear belt is cut, the ear belt cut is left at the shearing groove 12 of the machine table 2, the pushing cylinder 23 pushes the sliding block 21 to move in the sliding chute 20, so that the clamping block 18 moves on the machine table 2, and when the clamping block 18 moves to the ear belt, second rotating electrical machines 22 drive second stud 19 and rotate and make the horizontal piece of two grip blocks 18 press from both sides tight ear area raw materials, press from both sides behind the tight ear area raw materials and promote cylinder 23 and pull back slider 21 home position to pull back grip block 18 home position, thereby realize the automatic transmission to the ear area, increase ear area transmission efficiency.

The implementation principle of the ear belt shearing device of the ear belt welding machine in the embodiment of the application is as follows:

the ear belt raw material is transmitted to the machine frame 1 and is transmitted along the long side direction of the machine table 2, the pressing block 15 presses the ear belt raw material, the position of the pressing block 15 is limited by the limiting rod 16 and the second supporting plate 14, the fixing plate 3 supports the second supporting plate 14 and the first supporting plate 4, the pressing effect of the pressing block 15 is better due to the abutting spring 17, the deviation of the ear belt raw material in the transmission process on the machine table 2 is reduced, when the ear belt is transmitted to the abutting block 6, the lifting cylinder 5 pushes the abutting block 6 to abut against the ear belt raw material, the displacement of the ear belt in the ear belt shearing process is reduced, the ear belt shearing effect is better, the first double-head screw rod 9 is driven to rotate by the first rotating motor 10, the sliding block 8 drives the shearing blades 7 to slide and approach each other, the shearing blades 7 extend to the abutting grooves 13 and the shearing grooves 12 so as to shear the ear belt, the second double-head screw rod 22 pushes the second double-head screw rod 19 to rotate after the ear belt is sheared, the second stud 19 pushes the clamping block 18 to clamp the cut surface of the ear belt, and the pushing cylinder 23 pushes the second rotating motor 22, the second stud 19 and the clamping block 18 to move at the chute 20 through the sliding block 21, so that the ear belt is conveyed at the rack 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an ear area cutting device of ear area welding machine which characterized in that: including frame (1), frame (1) is fixed with board (2) of transmission ear area, the both ends of board (2) are set up respectively to feed end and discharge end along ear area direction of transmission, frame (1) in the both ends of board (2) are fixed with fixed plate (3) respectively, fixed plate (3) go up and down to be provided with and are used for supporting tight piece (6) of tight ear area at board (2), board (2) department has seted up shear groove (12), the centre department of supporting tight piece (6) has seted up the intercommunication support tight groove (13) of shear groove (12), board (2) slide and are provided with two and cut blade (7), cut blade (7) and pass shear groove (12) extend to in tight groove (13).

2. The ear strap cutting device of the ear strap welding machine according to claim 1, characterized in that: two cut blade (7) and keep away from the one end of supporting tight piece (6) all is fixed with sliding block (8), fixed plate (3) correspond sliding block (8) are provided with first double-end screw (9), the both ends of first double-end screw (9) rotate respectively connect in two the one end that fixed plate (3) are relative, sliding block (8) slide respectively in double-end screw's both ends, the one end of fixed plate (3) is fixed with the rotation first rotation motor (10) of first double-end screw (9).

3. The ear strap cutting device of the ear strap welding machine according to claim 2, characterized in that: a sliding rod (11) is fixed on the fixing plate (3), the axial direction of the sliding rod (11) is parallel to the axial direction of the first stud (9), and one end of the sliding block (8) penetrates through the sliding rod (11).

4. The ear strap cutting device of the ear strap welding machine according to claim 1, characterized in that: keep away from fixed plate (3) the one end of board (2) is fixed with first backup pad (4), first backup pad (4) are fixed with lift cylinder (5), keep away from in piece (6) of propping one end fixed connection of board (2) the piston rod of lift cylinder (5).

5. The ear strap cutting device of the ear strap welding machine according to claim 1, characterized in that: the fixed plate (3) is fixed with a second supporting plate (14) at the feed end of the machine table (2), one end of the second supporting plate (14) is elastically provided with a pressing block (15), and a gap for ear belt transmission is formed between the pressing block (15) and the machine table (2).

6. The ear strap cutting device of the ear strap welding machine according to claim 5, characterized in that: the center department of second backup pad (14) wears to be equipped with gag lever post (16), gag lever post (16) are kept away from the one end of second backup pad (14) is fixed in press the center department of piece (15), the week side cover of gag lever post (16) is equipped with and supports tight spring (17), support the both ends of tight spring (17) butt respectively second backup pad (14) with press piece (15).

7. The ear strap cutting device of the ear strap welding machine according to claim 1, characterized in that: two the relative one side of fixed plate (3) slides and is provided with two grip blocks (18), fixed plate (3) correspond grip block (18) rotate and are provided with second double-end screw (19), two grip block (18) symmetry spiral respectively wear to locate two different perisporium departments of second double-end screw (19).

8. The ear strap cutting device of the ear strap welding machine according to claim 7, characterized in that: two spout (20) have all been seted up along ear area direction of transmission in fixed plate (3), fixed plate (3) in spout (20) slide and are provided with slider (21), slider (21) are kept away from the one end of board (2) is fixed with second rotation motor (22), second rotation motor (22) axis of rotation fixed connection in the one end of second double-end screw (19), fixed plate (3) are kept away from the one end of board (2) is fixed with the promotion slider (21) gliding promotion cylinder (23).

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