CN214520379U

CN214520379U - Automatic cutting mechanism

Info

Publication number: CN214520379U
Application number: CN202120558543.0U
Authority: CN
Inventors: 李伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-10-29
Anticipated expiration: 2031-03-18

Abstract

The utility model discloses an automatic cutting mechanism, which comprises an adjustable driving component and a bidirectional cutting component, wherein the power output end of the adjustable driving component is in transmission connection with the power input end of the bidirectional cutting component; the bidirectional cutting-off assembly comprises a fixed frame, two connecting rods are movably arranged on the front side of the fixed frame, threaded holes are formed in the tops of the two connecting rods, an adjusting screw rod is connected with the threaded holes in a threaded manner, and a cutter is arranged at the bottom end of the adjusting screw rod; the top of the connecting rod is in transmission connection with the power output end of the adjustable driving component. The utility model discloses, through setting up adjustable drive assembly, can be through adjusting the position of fixed block in the draw-in groove to the centre of a circle distance of adjustment pivot and flywheel, thereby reach the purpose of adjusting the drive stroke, thereby make the different distance of two-way subassembly motion that cuts off, the material that is applicable to different thickness that can be better cuts off.

Description

Automatic cutting mechanism

Technical Field

The utility model relates to an automatic technical field. In particular an automated cutting mechanism.

Background

In automatic production, materials can not be cut off, the requirement on the material cutting speed is continuously improved along with the improvement of the automatic production speed, the traditional material cutting is generally unilateral cutting, namely, a cutter is driven by a driving mechanism to press down on one side of the materials to cut the materials, the driving mechanism reciprocates to cut the materials once, certain kinetic energy is wasted, and the material cutting speed is influenced; and the drive of general slider-crank form can not carry out stroke control, leads to can not be applicable to the material of different thickness.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that an automatic shutdown mechanism convenient to adjust, cut off efficiently is provided.

In order to solve the technical problem, the utility model provides a following technical scheme: the automatic cutting mechanism comprises an adjustable driving component and a bidirectional cutting component, wherein the power output end of the adjustable driving component is in transmission connection with the power input end of the bidirectional cutting component; the bidirectional cutting-off assembly comprises a fixed frame, two connecting rods are movably arranged on the front side of the fixed frame, threaded holes are formed in the tops of the two connecting rods, an adjusting screw rod is connected with the threaded holes in a threaded manner, and a cutter is arranged at the bottom end of the adjusting screw rod; the top of the connecting rod is in transmission connection with the power output end of the adjustable driving component.

Above-mentioned automatic shutdown mechanism, adjustable drive assembly includes the flywheel, the draw-in groove has radially been seted up along it to the side of flywheel, be provided with the fixed block in the draw-in groove, the lateral wall middle part fixedly connected with pivot of fixed block, the surface of pivot is rotated and is connected with the connecting rod, the other end of connecting rod articulates there is the push rod, the fixed frame top fixedly connected with guide cylinder of two-way subassembly that cuts off, the sliding connection of push rod is in the guide cylinder.

In the automatic cutting mechanism, the groove bottom wall of the clamping groove is provided with a threaded hole, four corners of the fixed block are provided with through holes, a bolt penetrates through the through holes, the other end of the bolt is in threaded connection with the threaded hole, and the fixed block is fixedly connected in the clamping groove through the bolt; one side of the flywheel is in transmission connection with a motor, and the side wall of the shell of the motor is fixedly connected with the side wall of the guide cylinder through a support.

The automatic cutting mechanism comprises a bidirectional cutting assembly, a fixed frame, a bidirectional cutting mechanism and a cutter, wherein the bidirectional cutting assembly comprises two sliding rods, two sliding cylinders and a pressing mechanism, the two sliding rods are symmetrically and fixedly connected to two sides of the front surface of the fixed frame, the sliding cylinders are slidably connected to the surfaces of the sliding rods, two ends of one connecting rod are fixedly connected with the top ends of opposite surfaces of the two sliding cylinders respectively, two ends of the other connecting rod are fixedly connected with the bottom ends of opposite surfaces of the two sliding cylinders respectively, the middle part of the fixed frame is symmetrically and fixedly connected with two baffles, and the side walls of the cutter are overlapped with the side walls of the baffles; the bottom end of a push rod of the adjustable driving component is fixedly connected with a connecting rod positioned at the upper end of the side wall of the sliding cylinder.

Above-mentioned automatic shutdown mechanism, hold-down mechanism includes spring telescopic link and two pressure strips, two the pressure strip respectively with two the opposite face overlap joint of baffle, the through-hole has been seted up at the top of baffle, the spring telescopic link is worn to establish in the through-hole, the one end of spring telescopic link with one side fixed connection of pressure strip, the other end fixedly connected with connecting rod of spring telescopic link, the tip and one of connecting plate the side fixed connection of connecting rod.

The technical scheme of the utility model following profitable technological effect has been obtained:

1. the utility model discloses, through setting up adjustable drive assembly, can be through adjusting the position of fixed block in the draw-in groove to the centre of a circle distance of adjustment pivot and flywheel, thereby reach the purpose of adjusting the drive stroke, thereby make the different distance of two-way subassembly motion that cuts off, the material that is applicable to different thickness that can be better cuts off.

2. The utility model discloses, through setting up two-way shutdown mechanism, and two-way cutter that is provided with two relative and relatively fixed cutting parts in the subassembly that cuts off can utilize the upper portion cutter to cut off the material when actuating mechanism drive downstream, when actuating mechanism return stroke motion, utilizes the cutter of lower part to cut off the material, improves the cut-off rate to improve the utilization ratio of kinetic energy, and when cutting off, can utilize the pressure strip to carry out continuous compressing tightly to the material, avoid the material to slide.

Drawings

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

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic view of a front perspective view of the bi-directional cutting assembly of the present invention;

fig. 4 is a schematic view of a rear perspective structure of the middle bidirectional cutting assembly of the present invention.

The reference numbers in the figures denote: 1-an adjustable drive assembly; 101-a flywheel; 102-card slot; 103-a threaded hole; 104-fixed block; 105-a bolt; 106-a rotating shaft; 107-connecting rod; 108-a guide cylinder; 109-a push rod; 2-a bidirectional severing assembly; 201-fixed frame; 202-a slide bar; 203-a slide cylinder; 204-connecting rod; 205-adjusting screw; 206-a cutter; 207-a baffle; 208-a connecting plate; 209-spring telescopic rod; 210-compacting plate.

Detailed Description

Referring to fig. 1-2, an automated severing mechanism, including an adjustable drive assembly 1 and a bi-directional severing assembly 2, the adjustable driving assembly 1 comprises a flywheel 101, a clamping groove 102 is arranged on the side surface of the flywheel 101 along the radial direction, a fixed block 104 is arranged in the clamping groove 102, a rotating shaft 106 is fixedly connected to the middle of the side wall of the fixed block 104, the surface of the rotating shaft 106 is rotatably connected with a connecting rod 107, the other end of the connecting rod 107 is hinged with a push rod 109, the top of the fixed frame 201 of the bidirectional cutting-off component 2 is fixedly connected with a guide cylinder 108, the push rod 109 is connected in the guide cylinder 108 in a sliding way, the bottom wall of the clamping groove 102 is provided with a threaded hole 103, four corners of the fixing block 104 are provided with through holes, a bolt 105 penetrates through the through hole, the other end of the bolt 105 is in threaded connection with the threaded hole 103, and the fixed block 104 is fixedly connected with the clamping groove 102 through the bolt 105; one side transmission of flywheel 101 is connected with the motor, the shell lateral wall of motor through the support with the lateral wall fixed connection of guide cylinder 108, through setting up adjustable drive assembly 1, can be through adjusting the position of fixed block 104 at draw-in groove 102 to the centre of a circle distance of adjustment pivot 106 and flywheel 101 reaches the purpose of adjusting the drive stroke, thereby makes the two-way distance that cuts off the subassembly 2 motion difference, the material that can be better be applicable to different thickness cuts off.

As shown in fig. 3, the bidirectional cutting assembly 2 includes a fixed frame 201, two connecting rods 204 are movably disposed on the front surface of the fixed frame 201, threaded holes 103 are disposed on the tops of the two connecting rods 204, adjusting screws 205 are connected to the threaded holes 103 through internal threads, a cutter 206 is disposed at the bottom end of the adjusting screws 205, the bidirectional cutting assembly 2 further includes two sliding rods 202, two sliding cylinders 203 and a pressing mechanism, the two sliding rods 202 are symmetrically and fixedly connected to two sides of the front surface of the fixed frame 201, the sliding cylinders 203 are slidably connected to the surfaces of the sliding rods 202, two ends of one connecting rod 204 are fixedly connected to the top ends of the opposite surfaces of the two sliding cylinders 203 respectively, two ends of the other connecting rod 204 are fixedly connected to the bottom ends of the opposite surfaces of the two sliding cylinders 203 respectively, and two baffles 207 are symmetrically and fixedly connected to the middle portion of the fixed frame 201, the side wall of the cutting knife 206 is overlapped with the side wall of the baffle 207; the bottom end of a push rod 109 of the adjustable driving assembly 1 is fixedly connected with a connecting rod 204 positioned at the upper end of the side wall of the sliding cylinder 203; as shown in fig. 4, the pressing mechanism includes a spring telescopic rod 209 and two pressing plates 210, the two pressing plates 210 are respectively overlapped with the opposite surfaces of the two baffles 207, a through hole is formed at the top of the baffle 207, the spring telescopic rod 209 is inserted into the through hole, one end of the spring telescopic rod 209 is fixedly connected with one side of the pressing plate 210, the other end of the spring telescopic rod 209 is fixedly connected with a connecting rod 204, the end of the connecting rod 208 is fixedly connected with the side surface of one connecting rod 204, by providing a bidirectional cutting mechanism, and providing two cutters 206 with opposite and relatively fixed blades in the bidirectional cutting assembly 2, the upper cutter 206 can be used to cut off the material when the driving mechanism drives the material to move downwards, and the lower cutter 206 can be used to cut off the material when the driving mechanism moves backwards, thereby increasing the cutting speed and increasing the utilization rate of kinetic energy, and when cutting off, can utilize pressure strip 210 to compress tightly the material constantly, avoid the material to slide.

The working process is as follows: when the device is used, a motor in transmission connection with the flywheel 101 is connected with a power supply and started, the motor drives the flywheel 101 to rotate, the flywheel 101 drives the connecting rod 107 to move and drives the push rod 109 to reciprocate up and down in the guide cylinder 108, then the rectangular frame formed by the sliding cylinder 203 and the two connecting rods 204 is driven to move up and down, and materials are conveyed between the two baffles 207 through the feeding device;

when the flywheel 101 drives the push rod 109 to move downwards, the upper cutter 206 and the lower cutter 206 are driven to move downwards simultaneously, meanwhile, the upper connecting plate 208 presses the upper spring telescopic rod 209 downwards, the spring telescopic rod 209 presses the pressing plate 210 downwards, the pressing plate 210 presses materials downwards to press the materials, and then the upper cutter 206 cuts off the materials downwards; when the flywheel 101 drives the push rod 109 to move upwards, the upper cutter 206 and the lower cutter 206 are driven to move upwards simultaneously, and meanwhile, the lower connecting plate 208 presses the lower spring telescopic rod 209 upwards, so that the lower pressing plate 210 presses the material upwards, and meanwhile, the lower cutter 206 cuts off the material upwards;

when the distance of the fixed block 104 needs to be adjusted, the bolts 105 at the four corners of the fixed block 104 are unscrewed, the position of the fixed block is adjusted, the fixed block 104 is fixedly connected with the clamping groove 102 through the bolts 105, the stroke adjustment is completed, and the position of the cutter 206 is adjusted as required.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.

Claims

1. The automatic cutting mechanism is characterized by comprising an adjustable driving component (1) and a bidirectional cutting component (2), wherein the power output end of the adjustable driving component (1) is in transmission connection with the power input end of the bidirectional cutting component (2); the bidirectional cutting-off assembly (2) comprises a fixed frame (201), two connecting rods (204) are movably arranged on the front face of the fixed frame (201), threaded holes (103) are formed in the tops of the two connecting rods (204), adjusting screws (205) are connected with the threaded holes (103) in an internal thread mode, and cutters (206) are arranged at the bottom ends of the adjusting screws (205); the top of the connecting rod (204) is in transmission connection with the power output end of the adjustable driving component (1).

2. The automatic cutting mechanism according to claim 1, wherein the adjustable driving assembly (1) comprises a flywheel (101), a clamping groove (102) is formed in the side face of the flywheel (101) along the radial direction of the flywheel, a fixing block (104) is arranged in the clamping groove (102), a rotating shaft (106) is fixedly connected to the middle of the side wall of the fixing block (104), a connecting rod (107) is rotatably connected to the surface of the rotating shaft (106), a push rod (109) is hinged to the other end of the connecting rod (107), a guide cylinder (108) is fixedly connected to the top of a fixing frame (201) of the bidirectional cutting assembly (2), and the push rod (109) is slidably connected in the guide cylinder (108).

3. The automatic cutting mechanism according to claim 2, wherein a bottom wall of the slot (102) is provided with a threaded hole (103), four corners of the fixed block (104) are provided with through holes, a bolt (105) penetrates through the through hole, the other end of the bolt (105) is screwed in the threaded hole (103), and the fixed block (104) is fixedly connected in the slot (102) through the bolt (105); one side of the flywheel (101) is connected with a motor in a transmission mode, and the side wall of the shell of the motor is fixedly connected with the side wall of the guide cylinder (108) through a support.

4. The automatic cutting mechanism according to claim 1, wherein the bidirectional cutting assembly (2) further comprises two sliding rods (202), two sliding cylinders (203) and a pressing mechanism, the number of the sliding rods (202) is two, the two sliding rods (202) are symmetrically and fixedly connected to two sides of the front surface of the fixed frame (201), the sliding cylinders (203) are slidably connected to the surfaces of the sliding rods (202), two ends of one connecting rod (204) are respectively and fixedly connected to top ends of opposite surfaces of the two sliding cylinders (203), two ends of the other connecting rod (204) are respectively and fixedly connected to bottom ends of opposite surfaces of the two sliding cylinders (203), two baffles (207) are symmetrically and fixedly connected to the middle of the fixed frame (201), and side walls of the cutting knife (206) are overlapped with side walls of the baffles (207); the bottom end of a push rod (109) of the adjustable driving assembly (1) is fixedly connected with a connecting rod (204) positioned at the upper end of the side wall of the sliding barrel (203).

5. The automatic cutting mechanism according to claim 4, wherein the pressing mechanism comprises a spring expansion link (209) and two pressing plates (210), the two pressing plates (210) are respectively overlapped with the opposite surfaces of the two baffle plates (207), a through hole is formed in the top of each baffle plate (207), the spring expansion link (209) is arranged in the through hole in a penetrating manner, one end of the spring expansion link (209) is fixedly connected with one side of each pressing plate (210), the other end of the spring expansion link (209) is fixedly connected with a connecting plate (208), and the end of each connecting plate (208) is fixedly connected with the side of one connecting rod (204).