CN216706096U

CN216706096U - Shear type pneumatic knife rest

Info

Publication number: CN216706096U
Application number: CN202220134271.6U
Authority: CN
Inventors: 王帅
Original assignee: Kunshan Xinruili Knife Making Co ltd
Current assignee: Kunshan Xinruili Knife Making Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-06-10
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a shear type pneumatic knife rest, which relates to the field of cutting equipment and comprises a base, wherein a second knife rest is connected to the lower part inside the base, air cylinders are respectively arranged on two sides of the bottom of the base, the output ends of the two air cylinders are respectively connected with a linkage block through a piston rod, an adjusting assembly is arranged inside the linkage block, a first knife rest is connected between the two linkage blocks, and fixing assemblies are respectively arranged on the outer surfaces of the first knife rest and the second knife rest. According to the utility model, through the servo motor, the worm wheel, the balancing weight, the limiting strips, the limiting switches and the limiting grooves, the output end drives the worm to rotate after the servo motor is started, then the worm and the worm wheel are meshed to drive the rotating shaft to rotate, so that the first tool rest rotates upwards, after the first tool rest rotates upwards for 180 degrees, the limiting strips enable one limiting switch to be closed, so that the limiting switches send electric signals to the control panel to turn off the servo motor, meanwhile, the worm wheel is convenient to drive torque through the arrangement of the limiting strips, and the danger in mounting the upper blade is reduced.

Description

Shear type pneumatic knife rest

Technical Field

The utility model relates to the field of cutting equipment, in particular to a shear type pneumatic knife rest.

Background

The shearing machine is suitable for metal recycling processing factories, scrapped automobile dismantling fields and smelting and casting industries, and is used for cold shearing and pressing flanging of profile steel and various metal materials in various shapes and pressing and forming of powdered products, plastics, glass fiber reinforced plastics, insulating materials and rubber, the shearing machine is most commonly an alligator type shearing machine and a gantry type shearing machine, the shearing machine is divided into different types, namely a metal shearing machine, a combined punching and shearing machine and a hydraulic shearing machine bar shearing machine, a shearing blade used by the shearing machine is required to be fixed on the machine through a tool rest, and the tool rest has the effect of driving the shearing blade to move.

The existing shear type pneumatic knife rest needs to be frequently replaced due to the fact that abrasion of a blade is large when the existing shear type pneumatic knife rest works, the blade is convenient to install when the blade is installed on the knife rest above, the blade needs to be dragged and then fixed due to the fact that the opening of the knife rest faces downwards, the blade is high in danger, the blade easily falls off to injure machines or workers, the blade is inconvenient to use, the existing shear type pneumatic knife rest usually fixes the blade on the knife rest through a bolt when the blade is replaced, the blade can move up and down to enable the bolt to receive tensile force and pressure when the blade works, the bolt is easy to shake in the structure, abrasion is easily caused to generate a thread slipping phenomenon, the bolt only needs to be replaced when the bolt slips, but poor stability bolts after the blade is fixed are easy to fall off when threads in the knife rest, and the blade is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a shear type pneumatic tool rest to solve the technical problem that a bolt is easy to fall off due to the fact that an upper blade is inconvenient to replace and a thread is easy to slip in the tool rest.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a shear type atmospheric pressure knife rest, includes the base, the inside below of base is connected with the second knife rest, the cylinder is all installed, two to the bottom both sides of base the output of cylinder all is connected with the linkage piece through the piston rod, the inside of linkage piece is provided with adjusting part, two be connected with first knife rest between the linkage piece, the surface of first knife rest and second knife rest all is provided with fixed subassembly, the bottom of first knife rest and the top of second knife rest all are connected with the blade through the fixing base.

By adopting the technical scheme, the adjusting assembly drives the worm to rotate through the output end after the servo motor is started, then the worm is meshed with the worm wheel to drive the rotating shaft to rotate, so that the first tool rest rotates upwards, the limiting strip closes the limiting switch after the first tool rest rotates upwards by 180 degrees, so that the limiting switch sends an electric signal to the control panel to close the servo motor, meanwhile, the worm wheel transmission torque is facilitated through the arrangement of the limiting strip, and meanwhile, the limiting groove also plays a role in auxiliary limiting, because the first tool rest rotates upwards by 180 degrees, the fixing seat is directly inserted, the fixing assembly inserts the fixing seat into the two tool rests, then the fixing block is sent into the fixing groove, so that the two tool rests are respectively connected with the two fixing seats, then the fixing block is fixed between one tool rest and one fixing seat through screwing the bolt, and the tension and pressure generated when the blade works are replaced by the arrangement of the fixing block, thereby the bolt does not avoid appearing smooth silk phenomenon with two knife rests and two fixing base contacts simultaneously, avoids the fixed block to lose through the setting of leading truck and linkage frame simultaneously.

Further, the adjusting part is including connecting in the support at a linkage piece back, running through respectively in two rotation axises of two linkage piece both sides, connecting in the balancing weight of another linkage piece bottom and seting up respectively in two inside spacing grooves of two linkage pieces, servo motor is installed at the top of support, servo motor's output is connected with the worm, one the worm wheel has been cup jointed to the outside of rotation axis, two the top of rotation axis all is connected with spacing, two limit switch is all installed to the inside of spacing groove.

Through adopting above-mentioned technical scheme, the output drives the worm rotatory after servo motor starts, thereby later through worm and worm wheel meshing drive rotation axis rotation make first blade upwards rotate, thereby make a limit switch close to make limit switch send electric signal to control panel and close servo motor after first blade upwards rotates 180 jiaos, thereby the worm wheel transmission moment of torsion of being convenient for through setting up of limit strip simultaneously, the spacing groove also plays supplementary spacing ability simultaneously, thereby it is direct with fixing base insert alright to rotate 180 jiaos because first blade has upwards rotated, thereby need not to hold the dangerous emergence of blade reduction for a long time.

Further, fixed subassembly is including seting up a plurality of fixed slots in first knife rest, second knife rest and two fixing base surfaces respectively, the surface top of first knife rest and the surface below of second knife rest all are connected with a plurality of floor, and are a plurality of the bottom of floor all is connected with the leading truck, and is a plurality of the inside of leading truck all is connected with the linkage frame, and is a plurality of the back of linkage frame all is connected with the fixed block, and is a plurality of the surface of fixed block has all run through the bolt.

Through adopting above-mentioned technical scheme, insert two knife rests with the fixing base earlier when the installation blade in, thereby later send into the fixed block and make two knife rests be connected with two fixing bases respectively in the fixed slot, thereby later fix the fixed block between a knife rest and a fixing base through screwing up the bolt, thereby setting up through the fixed block replaces the bolt to bear pulling force and the pressure that the blade during operation produced, thereby the bolt is not avoided appearing the smooth silk phenomenon with two knife rests and two fixing base contacts simultaneously, avoid the fixed block to lose through the setting of leading truck and linkage frame simultaneously, thereby it is broken off with the fingers and thumb to avoid the leading truck through the setting up of floor increase the structural strength of leading truck simultaneously.

Furthermore, a control panel is installed on one side of the base, and the control panel is electrically connected with the air cylinder, the servo motor and the limit switch respectively.

By adopting the technical scheme, a worker opens or closes the air cylinder, the servo motor and the limit switch through the control panel, the output end drives the worm to rotate after the servo motor is started, then the worm and the worm wheel are meshed to drive the rotating shaft to rotate, so that the first tool rest rotates upwards, and after the first tool rest rotates upwards for 180 degrees, the limit bar enables one limit switch to be closed, so that the limit switch sends an electric signal to the control panel to close the servo motor.

Furthermore, the linkage frame is L-shaped, and the fixing block is T-shaped.

Through adopting above-mentioned technical scheme, replace the bolt to bear pulling force and pressure that the blade during operation produced through the setting of fixed block, thereby the bolt does not avoid appearing the smooth silk phenomenon with two knife rests and two fixing base contacts simultaneously, thereby avoids the fixed block to lose through the setting of leading truck and linkage frame simultaneously, thereby avoids the leading truck to be broken off with the fingers and thumb through the setting up of floor increase leading truck simultaneously.

Furthermore, the worm wheel is meshed with the worm, and the first tool rest is rotatably connected with the two linkage blocks through a rotating shaft.

By adopting the technical scheme, the output end drives the worm to rotate after the servo motor is started, then the worm is meshed with the worm wheel to drive the rotating shaft to rotate, so that the first tool rest rotates upwards, and after the first tool rest rotates upwards by 180 degrees, the limiting strip closes one limiting switch, so that the limiting switch sends an electric signal to the control panel to turn off the servo motor.

Furthermore, the fixed block is connected with the fixed slot dismantlement, just link frame and leading truck sliding connection.

In summary, the utility model mainly has the following beneficial effects:

1. the utility model drives the worm to rotate by the output end after the servo motor is started through the servo motor, the worm wheel, the balancing weight, the limiting strip, the limiting switch and the limiting groove, and then drives the rotating shaft to rotate through the meshing of the worm and the worm wheel so as to enable the first tool rest to rotate upwards, when the first tool rest rotates upwards by 180 degrees, the limit bar closes one limit switch so that the limit switch sends an electric signal to the control panel to turn off the servo motor, meanwhile, the arrangement of the limiting strip is convenient for the worm wheel to transmit torque, and the limiting groove also has the auxiliary limiting capacity, because the first knife rest rotates upwards by 180 degrees, the fixed seat can be directly inserted without dragging the knife blade for a long time, thereby reducing the danger, when the shearing machine works, the weights of the two linkage blocks are balanced through the balancing weight, so that the first cutter frame is prevented from inclining, and the danger when the upper blade is installed is reduced;

2. according to the utility model, through the fixing block, the rib plate, the guide frame, the linkage frame and the fixing groove, when the blade is installed, the fixing seats are inserted into the two knife rests, then the fixing block is sent into the fixing groove, so that the two knife rests are respectively connected with the two fixing seats, then the fixing block is fixed between one knife rest and one fixing seat through screwing the bolt, the setting of the fixing block replaces the bolt to bear the tensile force and the pressure generated during the working of the blade, meanwhile, the bolt is not in contact with the two knife rests and the two fixing seats, so that the phenomenon of wire sliding is avoided, meanwhile, the fixing block is prevented from being lost through the setting of the guide frame and the linkage frame, and meanwhile, the structural strength of the guide frame is increased through the arrangement of the rib plate, so that the guide frame is prevented from being broken off, and the phenomenon of wire sliding is effectively avoided.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a side sectional view of a first tool carrier of the present invention;

FIG. 3 is a schematic side sectional view of the linkage block of the present invention;

fig. 4 is a schematic view of the explosion structure of the first tool carrier.

In the figure: 1. a base; 2. a cylinder; 3. a first tool holder; 4. a second tool holder; 5. a fixed seat; 6. a blade; 7. a linkage block; 8. an adjustment assembly; 801. a support; 802. a servo motor; 803. a worm; 804. a worm gear; 805. a rotating shaft; 806. a balancing weight; 807. a limiting strip; 808. a limit switch; 809. a limiting groove; 9. a fixing assembly; 901. a fixed block; 902. a rib plate; 903. a guide frame; 904. a linkage frame; 905. fixing grooves; 10. a bolt; 11. a control panel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The limit switch adopted in the utility model is made of ME-8108 of meat trade science and technology.

The following describes an embodiment of the present invention based on its overall structure.

A shear type pneumatic knife rest is disclosed, as shown in figures 1, 2, 3 and 4, and comprises a base 1, wherein a second knife rest 4 is connected to the lower portion of the inner portion of the base 1, air cylinders 2 are installed on two sides of the bottom of the base 1, output ends of the two air cylinders 2 are connected with linkage blocks 7 through piston rods, adjusting components 8 are arranged inside the linkage blocks 7, danger during installation of a blade above is reduced, danger during installation of the blade above is reduced, a first knife rest 3 is connected between the two linkage blocks 7, fixing components 9 are arranged on the outer surfaces of the first knife rest 3 and the second knife rest 4, the phenomenon of wire sliding is effectively avoided, blades 6 are connected to the bottom of the first knife rest 3 and the top of the second knife rest 4 through fixing seats 5, a control panel 11 is installed on one side of the base 1, the control panel 11 is electrically connected with the air cylinders 2, a servo motor 802 and a limit switch 808 respectively, and a worker opens or closes the air cylinders 2 through the control panel 11, A servo motor 802 and a limit switch 808.

Referring to fig. 1 and 3, the adjusting assembly 8 includes a support 801 connected to the back of one linkage block 7, two rotating shafts 805 penetrating through two sides of the two linkage blocks 7 respectively, a weight block 806 connected to the bottom of the other linkage block 7, and two limit grooves 809 arranged inside the two linkage blocks 7 respectively, a servo motor 802 is installed at the top of the support 801, an output end of the servo motor 802 is connected with a worm 803, a worm wheel 804 is sleeved outside one rotating shaft 805, the tops of the two rotating shafts 805 are connected with limit bars 807 respectively, two limit switches 808 are installed inside the two limit grooves 809, the worm wheel 804 is meshed with the worm 803, and the first knife rest 3 is rotatably connected with the two linkage blocks 7 through the rotating shaft 805, so that the risk of installing a blade above is reduced.

Referring to fig. 1, 2 and 4, the fixing assembly 9 includes a plurality of fixing grooves 905 respectively formed in the outer surfaces of the first tool rest 3, the second tool rest 4 and the two fixing seats 5, a plurality of rib plates 902 are connected to the upper portion of the outer surface of the first tool rest 3 and the lower portion of the outer surface of the second tool rest 4, guide frames 903 are connected to the bottoms of the rib plates 902, linkage frames 904 are connected to the insides of the guide frames 903, fixing blocks 901 are connected to the backs of the linkage frames 904, bolts 10 penetrate through the outer surfaces of the fixing blocks 901, the linkage frames 904 are L-shaped, the fixing blocks 901 are T-shaped, the fixing blocks 901 are detachably connected to the fixing grooves 905, the linkage frames 904 are slidably connected to the guide frames 903, and therefore the phenomenon of wire sliding is effectively avoided.

The implementation principle of the embodiment is as follows: firstly, a worker turns on a servo motor 802 through a control panel 11, an output end drives a worm 803 to rotate after the servo motor 802 is started, then the worm 803 is meshed with a worm wheel 804 to drive a rotating shaft 805 to rotate, so that a first tool rest 3 rotates upwards, when the first tool rest 3 rotates upwards for 180 degrees, a limit switch 808 is closed by the limit strip 807, so that the limit switch 808 sends an electric signal to the control panel 11 to turn off the servo motor 802, meanwhile, the worm wheel 804 is convenient to transmit torque through the arrangement of the limit strip 807, and meanwhile, a limit groove 809 also plays a role in auxiliary limit capacity, because the first tool rest 3 rotates upwards for 180 degrees, the worker can directly insert a fixed seat 5 when installing a blade 6, the worker does not need to hold the blade 6 for a long time so as to reduce the occurrence of danger, the worker inserts the fixed seat 5 into two tool rests firstly when installing the blade 6, then, a worker sends the fixing block 901 into the fixing groove 905 to enable the two tool rests to be connected with the two fixing seats 5 respectively, then the worker screws the bolt 10 to fix the fixing block 901 between one tool rest and one fixing seat 5, the setting of the fixing block 901 replaces the bolt 10 to bear the tensile force and pressure generated when the blade 6 works, meanwhile, the bolt 10 does not contact with the two tool rests and the two fixing seats 5 to avoid the phenomenon of wire sliding, meanwhile, the fixing block 901 is prevented from being lost through the setting of the guide frame 903 and the linkage frame 904, meanwhile, the structural strength of the guide frame 903 is increased through the setting of the rib plate 902 to avoid the guide frame 903 from being broken off, the worker turns on the servo motor 802 again through the control panel 11 after installing the two blades 6, the servo motor 802 drives the first tool rest 3 to rotate downwards by one hundred eighty degrees after being started again, and then the servo motor 802 is automatically turned off through the other limit switch 808, the weight of the two linkage blocks 7 is balanced by the counterweight 806 while the shear is working to avoid tilting of the first blade carrier 3.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a shear type atmospheric pressure knife rest, includes base (1), its characterized in that: the inside below of base (1) is connected with second knife rest (4), cylinder (2), two are all installed to the bottom both sides of base (1) the output of cylinder (2) all is connected with linkage block (7) through the piston rod, the inside of linkage block (7) is provided with adjusting part (8), two be connected with first knife rest (3) between linkage block (7), the surface of first knife rest (3) and second knife rest (4) all is provided with fixed subassembly (9), the bottom of first knife rest (3) and the top of second knife rest (4) all are connected with blade (6) through fixing base (5).

2. A shear style gas pressure tool holder according to claim 1, wherein: adjusting part (8) including connecting in support (801) at a linkage piece (7) back, run through respectively in two rotation axis (805) of two linkage piece (7) both sides, connect in balancing weight (806) of another linkage piece (7) bottom and set up respectively in two inside spacing grooves (809) of two linkage pieces (7), servo motor (802) are installed to the top of support (801), the output of servo motor (802) is connected with worm (803), one worm wheel (804) have been cup jointed to the outside of rotation axis (805), two the top of rotation axis (805) all is connected with spacing (807), two limit switch (808) are all installed to the inside of spacing groove (809).

3. A shear style gas pressure tool holder according to claim 1, wherein: fixed subassembly (9) are including seting up a plurality of fixed slots (905) in first knife rest (3), second knife rest (4) and two fixing base (5) surfaces respectively, the surface top of first knife rest (3) and the surface below of second knife rest (4) all are connected with a plurality of floor (902), and are a plurality of the bottom of floor (902) all is connected with leading truck (903), and is a plurality of the inside of leading truck (903) all is connected with linkage frame (904), and is a plurality of the back of linkage frame (904) all is connected with fixed block (901), and is a plurality of bolt (10) have all been run through to the surface of fixed block (901).

4. A shear style gas pressure tool holder according to claim 2, wherein: control panel (11) are installed to one side of base (1), just control panel (11) respectively with cylinder (2), servo motor (802) and limit switch (808) electric connection.

5. A shear style gas pressure tool holder according to claim 3, wherein: the linkage frame (904) is L-shaped, and the fixing block (901) is T-shaped.

6. A shear style gas pressure tool holder according to claim 2, wherein: the worm wheel (804) is meshed with the worm (803), and the first tool rest (3) is rotatably connected with the two linkage blocks (7) through a rotating shaft (805).

7. A shear style gas pressure tool holder according to claim 5, wherein: the fixing block (901) is detachably connected with the fixing groove (905), and the linkage frame (904) is slidably connected with the guide frame (903).