CN210819758U - Electric shearing machine - Google Patents

Abstract

The utility model discloses an electric shearing machine, belonging to the field of artificial limb manufacturing equipment, which adopts the technical proposal that the electric shearing machine comprises a machine body, an upper cutter top shaft, an upper cutter bottom shaft, a through lower cutter top shaft and a through lower cutter bottom shaft; an upper cutter top cutter is arranged on the upper cutter top shaft, an upper cutter bottom cutter is hinged on the upper cutter bottom shaft, a lower cutter top cutter is arranged on the lower cutter top shaft, and a lower cutter bottom cutter is arranged on the lower cutter bottom shaft; go up cutter rotating gear on the fixedly connected with of cutter apical axis, fixedly connected with lower cutter rotating gear on the lower cutter apical axis, fixedly connected with lower cutter pinion on the lower cutter bottom shaft, the inside articulated master gear that has of organism, fixedly connected with motor on the master gear, articulated on the motor output shaft have a driving disc, articulated on the driving disc have two drive gears, set firmly the handle on the driving disc, be equipped with limit structure on the organism. The utility model discloses reached can be under the prerequisite of the extravagant energy convenient effect of cutting different materials, be applied to in the artificial limb makes.

Description

Electric shearing machine

Technical Field

The invention relates to the technical field of artificial limb machining, in particular to an electric shearing machine.

Background

Along with the demand in market, silica gel goods are more and more in the market, when cutting off the silica gel cover among the prior art, rely on the operator to cut out by hand usually, and the efficiency of cutting out of this kind of method is low, and needs more manpower, and the cost is too high.

In the prior art, a chinese utility model patent document with an authorization bulletin number of CN209125902U discloses a silica gel sleeve cutting machine, which comprises a support rod body, an upper connecting shaft and a lower connecting shaft, wherein the upper connecting shaft and the lower connecting shaft penetrate through the support rod body, the upper connecting shaft is positioned above the lower connecting shaft and arranged in parallel, a feeding hole for placing a silica gel sleeve is formed between the upper connecting shaft and the lower connecting shaft, one end of the upper connecting shaft is fixedly sleeved with an upper roller cutter, and one side of the upper roller cutter, which is close to the support rod body, is rotatably connected with a driving disc; one end of the lower connecting shaft, which is close to the upper roller cutter, is rotatably connected with a lower roller cutter, the lower roller cutter is positioned below the driving disc, and the circumferential surface of the lower roller cutter is abutted against the circumferential surface of the driving disc; the circumferential surface of the upper roller cutter extends outwards towards the direction far away from the circle center and protrudes out of the driving disc, and the upper roller cutter is in interference fit with the lower roller cutter.

Because not only can use silica gel in the artificial limb manufacturing process, also can use plastics panel frequently, and the cutter in the scheme that prior art center recorded is applicable to and cuts the silica gel cover but not the plastic slab, need change the cutter or need artifically use the scissors to cut out plastics panel when needing to cut the plastic slab in the in-service use of producing, if increase a set of cutter on the organism alone, then can appear when cutting the silica gel cover another group be used for cutting the condition of the cutter idle running of plastic slab, cause the waste of energy.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the electric shearing machine, the lower cutter top knife and the lower cutter bottom knife are arranged on the machine body, and the two transmission gears are controlled by the transmission disc to control the upper cutter top knife and the lower cutter top knife to rotate respectively, so that the plastic plate and the silica gel sleeve can be cut respectively in the production process, and the production efficiency is improved.

In order to achieve the purpose, the invention provides the following technical scheme: an electric shearing machine comprises a machine body, an upper cutter top shaft penetrating through the machine body, an upper cutter bottom shaft penetrating through the machine body, a lower cutter top shaft penetrating through the machine body and a lower cutter bottom shaft penetrating through the machine body;

the upper cutter top shaft is provided with an upper cutter top cutter arranged coaxially with the upper cutter top shaft, the upper cutter bottom shaft is fixedly connected to the machine body, the upper cutter bottom shaft is hinged with an upper cutter bottom cutter arranged coaxially with the upper cutter top shaft, and the upper cutter top cutter and the upper cutter bottom cutter are in interference fit;

the lower cutter top shaft is provided with a lower cutter top cutter arranged coaxially with the lower cutter top shaft, the lower cutter bottom shaft is provided with a lower cutter bottom cutter arranged coaxially with the lower cutter top shaft, the lower cutter top cutter and the lower cutter bottom cutter are arranged in a staggered manner, and one end face of the lower cutter top cutter is abutted against one end face of the lower cutter bottom cutter;

the upper cutter top shaft is parallel to the upper cutter bottom shaft, and the lower cutter top shaft is parallel to the lower cutter bottom shaft;

the coaxial line of the upper cutter top shaft is fixedly connected with an upper cutter rotating gear, the coaxial line of the lower cutter top shaft is fixedly connected with a lower cutter rotating gear, the coaxial line of the lower cutter bottom shaft is fixedly connected with a lower cutter pinion meshed with the lower cutter rotating gear, a main gear, the rotating axis of which is parallel to the upper cutter top shaft, is hinged inside the machine body, the main gear is fixedly connected with a motor for driving the main gear to rotate along the axis of the main gear, a transmission disc, the coaxial line of the main gear, is hinged on the output shaft of the motor, two transmission gears meshed with the main gear are hinged on the transmission disc, the two rotating gears can be respectively meshed with the upper cutter rotating gear or the lower cutter rotating gear, a handle, one end of which extends out of the machine body, is fixedly arranged on the transmission disc, and a limiting structure.

By adopting the technical scheme, when the silicon rubber sleeve needs to be cut in the use process, the handle can be controlled to rotate, one transmission gear is meshed with the upper cutter rotating gear of the main gear, the rotation of the handle is limited by the limiting structure, the rotating gear can stably transmit the rotation of the main gear to the upper cutter rotating gear, and at the moment, the top cutter of the upper cutter can rotate, so that the silicon rubber sleeve can be cut; when needs cutting plastic plate, only need with handle opposite direction rotation for drive gear and bottom tool rotating gear and master gear meshing, go up cutter top sword stop rotating this moment, bottom tool top sword and bottom tool bottom sword begin to rotate, the staff just can cut the plastic slab, no matter staff cuts silica gel cover or plastic plate, can both go on under the prerequisite that does not need to install the cutter again, and solved when cutting a material the energy waste defect that the idle running of another set of cutter caused.

Preferably, the following steps: the handle includes fixed part and the rotation portion that articulates on the fixed part with driving disc fixed connection, and the rotation axis of the rotation portion of rotation portion is perpendicular to the rotation axis of master gear, and limit structure includes two spacing grooves of seting up on the organism, and the spacing groove is on a parallel with the rotation axis setting of master gear, and when the rotation portion was located two spacing inslot portions respectively, two drive gear respectively with last cutter rotating gear or lower cutter rotating gear meshing.

Through adopting above-mentioned technical scheme, through spacing groove and rotation portion, when the staff cuts different materials, can be fast convenient switch over between last cutter top sword and the bottom knife of bottom knife, can shift over into the spacing inslot portion through the rotation axis with rotation portion along the perpendicular to master gear axis direction simultaneously for drive gear with the stable transmission of the rotation volume of master gear for last cutter top sword or bottom knife top sword.

Preferably, the following steps: the upper cutter bottom knife is connected to the upper cutter bottom shaft in a sliding mode along the axis direction of the main gear, and an elastic piece for driving the upper cutter bottom knife to slide back to the machine body is fixedly connected to the upper cutter bottom shaft.

Through adopting above-mentioned technical scheme, under the extrusion of elastic component, one of them tip of elastic component can be tight butt on last cutter bed knife is close to the organism lateral wall to reduce the rigid cooperation between last cutter top sword and the last cutter bed knife, reduce the wearing and tearing that cause last cutter top sword and last cutter bed knife.

Preferably, the following steps: the elastic piece comprises a spring sleeved on the bottom shaft of the upper cutter.

Through adopting above-mentioned technical scheme, spring simple structure, the source is extensive, the maintenance of being convenient for is changed.

Preferably, the following steps: the upper cutter bottom shaft is fixedly connected with a baffle plate, and the lower cutter bottom cutter is positioned between the elastic piece and the baffle plate.

By adopting the technical scheme, the baffle can ensure that the upper cutter bottom knife is stably connected on the upper cutter bottom shaft, and the possibility that the upper cutter bottom knife slides off the upper cutter bottom shaft is reduced.

Preferably, the following steps: the end face of the upper cutter bottom cutter back to the upper cutter bottom shaft is gradually concave towards the direction close to the axis to form an inclined plane part.

By adopting the technical scheme, the inclined plane part and one side of the upper cutter top knife close to the machine body form a certain angle, so that the friction generated in the cutting rotation process of the upper cutter top knife and the upper cutter bottom knife can be reduced, the cutting effect is improved, and the damage to the upper cutter top knife and the upper cutter bottom knife is reduced.

Preferably, the following steps: the included angle formed by the inner side wall of the inclined plane part and the end face of the upper cutter bed knife, which is back to the inclined plane part, is 8-12 degrees.

By adopting the technical scheme, the inclined plane part and the side, just opposite to the machine body, of the upper cutter top knife form a certain angle, friction generated in the cutting rotating process of the upper cutter top knife and the upper cutter bottom knife can be reduced, the pressure of the silica gel sleeve is increased, and the cutting effect is improved.

Preferably, the following steps: the top cutter of the upper cutter and the bottom cutter of the lower cutter are in interference fit with each other by 1-1.5 mm.

Through adopting above-mentioned technical scheme, interference fit between last cutter top sword and the last cutter bed knife can guarantee the effect of tailorring to the silica gel cover, and when the interference was too big, can lead to going up cutter top sword and last cutter bed knife and rotate the difficulty even stall, and great to the wearing and tearing of going up cutter top sword and last cutter bed knife, the interference undersize is difficult to realize tailorring to the silica gel cover.

In summary, compared with the prior art, the invention has the following beneficial effects:

1. the lower cutter top knife and the lower cutter bottom knife are arranged on the machine body, and the transmission disc controls the two transmission gears to control the upper cutter top knife and the lower cutter top knife to rotate respectively, so that the plastic plate and the silica gel sleeve can be cut respectively in the production process, and the production efficiency is improved;

2. through spacing groove and rotation portion, when the staff cuts different materials, can be fast convenient switch over between last cutter top sword and the bottom knife of bottom knife, can shift into the spacing inslot portion through the axis of rotation that follows the perpendicular to master gear axis direction with rotation portion simultaneously for drive gear is last cutter top sword or bottom knife top sword with the stable transmission of rotation volume of master gear.

Drawings

FIG. 1 is an isometric view of an embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1 showing the top edge position of the upper tool;

FIG. 3 is an enlarged view of the portion B of FIG. 1 showing the structure of the lower cutter bed;

FIG. 4 is a schematic diagram illustrating the position of the motor in the embodiment;

fig. 5 is an enlarged view of a portion C showing the position of the transmission gear in fig. 4.

Reference numerals: 1. a body; 11. a limiting groove; 2. an upper cutter ejector shaft; 21. an upper cutter bottom shaft; 22. the upper cutter rotates the gear; 23. pushing a cutter on the upper cutter; 24. a bottom cutter of an upper cutter; 25. a baffle plate; 26. an elastic member; 27. a spring; 28. an inclined plane part; 3. a lower cutter head shaft; 31. a lower cutter bottom shaft; 32. a lower cutter is pushed; 33. cutting; 34. a stopper; 35. the lower cutter rotates the gear; 36. a lower cutter pinion; 4. a motor; 5. a handle; 51. a fixed part; 52. a rotating part; 53. a drive plate; 54. a rotating gear; 55. a ball head portion; 6. a main gear; 7. a through groove; 8. a limiting groove.

Detailed Description

Example (b): an electric shearing machine, see fig. 1 and 2, comprises a machine body 1, wherein an upper cutter top shaft 2 horizontally arranged is hinged on the machine body 1, and the upper cutter top shaft 2 rotates around the axis of the upper cutter top shaft 2. Go up inside cutter apical axis 2's one end stretches into organism 1, the other end stretches out the organism 1 outside, and go up cutter apical axis 2 and stretch out the fixedly connected with of the outer tip coaxial line of organism 1 and go up cutter top 23, go up cutter top 23 and be discoid. An upper cutter bottom shaft 21 parallel to the upper cutter top shaft 2 is fixedly connected to the machine body 1 below the upper cutter top shaft 2. One end of the upper cutter bottom shaft 21 is located inside the machine body 1, the other end of the upper cutter bottom shaft 21 extends out of the machine body 1, a disc-shaped upper cutter bottom knife 24 with a central hole is sleeved on the end part coaxial line of the upper cutter bottom shaft 21 extending out of the machine body 1, and the upper cutter bottom knife 24 can slide on the upper cutter bottom shaft 21 along the axial direction of the upper cutter bottom shaft. An elastic member 26 is fixedly connected to the upper cutter bottom shaft 21, the elastic member 26 in this embodiment is a spring 27 coaxially sleeved on the upper cutter bottom shaft 21, one end of the spring 27 is fixedly connected to the side wall of the upper cutter bottom shaft 21, the other end of the spring is abutted to the end face of the upper cutter bottom cutter 24 facing the machine body 1, the upper cutter bottom shaft 21 is located outside the machine body 1, the end portion of the upper cutter bottom shaft 21 is coaxially and fixedly connected with a disc-shaped baffle 25, and the upper cutter bottom cutter 24 is abutted by the spring 27 to the side wall of the machine body 1 facing the baffle 25. The end surface of the upper tool bed knife 24, which is back to the upper tool bed shaft 21, is gradually recessed towards the direction close to the axis to form an inclined plane part 28, and the included angle formed by the inner side wall of the inclined plane part 28 and the end surface of the upper tool bed knife 24, which is back to the inclined plane part 28, is 8-12 degrees. The annular side wall of the upper cutter top cutter 23 is abutted against the annular side wall of the upper cutter bottom cutter 24, and the upper cutter top cutter 23 is in interference fit with the lower cutter bottom cutter 33 by 1 mm.

Referring to fig. 1 and 3, a lower tool top shaft 3 parallel to the upper tool top shaft 2 is hinged on the machine body 1 below the upper tool bottom shaft 21, and the lower tool top shaft 3 rotates around the axis of the lower tool top shaft. The one end of lower cutter apical axis 3 is located inside organism 1, and the other end stretches out the outside of organism 1, and lower cutter apical axis 3 stretches out the fixedly connected with lower cutter top sword 32 of the outer tip coaxial line of organism 1, and lower cutter top sword 32 is discoid, and the edge of lower cutter top sword 32 sets up a plurality of semicircle trough-shaped incisions 37, and incision 37 is along the edge evenly distributed of discoid lower cutter top sword 32, and two adjacent incisions 37 are not directly communicate. A lower cutter bottom shaft 31 parallel to the lower cutter top shaft 3 is hinged on the machine body 1 below the lower cutter top shaft 3, and the lower cutter bottom shaft 31 rotates around the axis of the lower cutter bottom shaft 31. One end of the bottom shaft 31 of the lower cutter is positioned inside the machine body 1, the other end of the bottom shaft 31 of the lower cutter extends out of the machine body, and the end part of the bottom shaft 31 of the lower cutter extending out of the machine body 1 is fixedly connected with a bottom cutter 33 of the lower cutter in a coaxial line. The edge of the bottom cutter 33 is in a continuous sawtooth shape, the end surface of the bottom cutter 33, which faces away from the machine body 1, is abutted against the end surface of the top cutter 32, which faces the machine body 1, and the top end of the edge of the bottom cutter 33 in the sawtooth shape is flush with the top end of the inner wall of the notch 37 with the lowest horizontal position in the horizontal direction. The end part of the lower cutter bottom shaft 31 extending out of the machine body 1 is fixedly connected with a cylindrical stop block 34 coaxially, and a gap for the lower cutter top cutter 32 to pass through is reserved between the stop block 34 and the lower cutter bottom cutter 33.

Referring to fig. 4 and 5, an upper tool rotating gear 22 is coaxially and fixedly connected to the end portion of the upper tool top shaft 2 located in the machine body 1, a lower tool rotating gear 35 is coaxially and fixedly connected to the end portion of the lower tool top shaft 3 located in the machine body 1, and a lower tool pinion 36 engaged with the lower tool rotating gear 35 is coaxially and fixedly connected to the end portion of the lower tool bottom shaft 31 located in the machine body 1. The end face of the upper tool rotary gear 22 facing away from the lower tool bed 33, the end face of the lower tool rotary gear 35 facing away from the lower tool bed 33 and the end face of the lower tool pinion 36 facing away from the lower tool bed 33 are located in the same vertical plane. The internal fixedly connected with output shaft of organism 1 is on a parallel with the motor 4 that the upper cutter apical axis 2 set up, coaxial fixedly connected with master gear 6 on the output shaft of motor 4, it has the driving plate 53 that uses the axis of the output shaft of motor 4 as the axis of rotation to articulate on the output shaft of motor 4, the longitudinal section of driving plate 53 is isosceles obtuse triangle-shaped, the maximum closed angle department of the longitudinal section angle of driving plate 53 is passed to the output shaft of motor 4, two closed angle departments in addition of driving plate 53 all articulate has the drive gear 54 that the axis of rotation is on a parallel with the axis of master gear 6, two drive gears 54 mesh with master gear 6 all the time. The handle 5 is fixedly connected to the middle position of the side wall of the transmission disc 53 opposite to the output shaft of the motor 4, the handle 5 comprises a fixed portion 51 fixedly connected with the transmission disc 53 and a rotating portion 52 hinged to the fixed portion 51, the rotating axis of the rotating portion 52 is perpendicular to the length direction of the output shaft of the motor 4, and the rotating axis of the rotating portion 52 is parallel to the side wall of the transmission plate 53 connected with the fixed portion 51.

Referring to fig. 1 and 5, a through groove 7 communicating the inside of the machine body 1 with the outside is formed in the side wall of the machine body 1, one end of the fixing portion 51 is located inside the machine body 1, the other end of the fixing portion 51 is located inside the through groove 7, and the fixing portion 51 can rotate around the output shaft of the motor 4 inside the through groove 7. Two limit grooves 8 serving as limit structures are formed in the side wall of the machine body 1 on one side of the through groove 7, and the length directions of the two limit grooves 8 are all parallel to the length direction of the output shaft of the motor 4. One end of the rotating part 52 is hinged to the fixed part 51, and the other end is fixedly connected with a spherical head part 55.

The working principle of the electric shearing machine during use is as follows: through spacing groove 8 and rotation portion 52, when the staff cuts different materials, can be fast convenient switch over between last cutter top sword 23 and lower cutter bed knife 33, simultaneously can be through turning into the rotation axis of rotation portion 52 along the direction of the perpendicular to main gear 6 axis inside spacing groove 8 for drive gear 54 is with the stable transmission of the rotation volume of main gear 6 for last cutter top sword 23 or lower cutter top sword 32.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (8)

1. An electric shearing machine, characterized in that: comprises a machine body (1), an upper cutter top shaft (2) penetrating through the machine body (1), an upper cutter bottom shaft (21) penetrating through the machine body (1), a lower cutter top shaft (3) penetrating through the machine body (1) and a lower cutter bottom shaft (31) penetrating through the machine body (1);

an upper cutter top knife (23) which is coaxial with the upper cutter top shaft (2) is arranged on the upper cutter top shaft, an upper cutter bottom shaft (21) is fixedly connected to the machine body (1), an upper cutter bottom knife (24) which is coaxial with the upper cutter bottom shaft (21) is hinged to the upper cutter bottom shaft, and the upper cutter top knife (23) is in interference fit with the upper cutter bottom knife (24);

a lower cutter top cutter (32) which is coaxial with the lower cutter top shaft (3) is arranged on the lower cutter top shaft (3), a lower cutter bottom cutter (33) which is coaxial with the lower cutter top shaft (31) is arranged on the lower cutter bottom shaft (31), the lower cutter top cutter (32) and the lower cutter bottom cutter (33) are arranged in a staggered mode, and one end face of the lower cutter top cutter (32) is abutted to one end face of the lower cutter bottom cutter (33);

the upper cutter top shaft (2) is parallel to the upper cutter bottom shaft (21), and the lower cutter top shaft (3) is parallel to the lower cutter bottom shaft (31);

an upper cutter rotating gear (22) is fixedly connected on an upper cutter top shaft (2) in a coaxial manner, a lower cutter rotating gear (35) is fixedly connected on a lower cutter top shaft (3) in a coaxial manner, a lower cutter pinion (36) meshed with the lower cutter rotating gear (35) is fixedly connected on a lower cutter bottom shaft (31) in a coaxial manner, a main gear (6) with a rotating axis parallel to the upper cutter top shaft (2) is hinged inside a machine body (1), a motor (4) driving the main gear (6) to rotate along the axis of the main gear is fixedly connected on the main gear (6), a transmission disc (53) coaxial with the main gear (6) is hinged on an output shaft of the motor (4), two transmission gears (54) meshed with the main gear (6) are hinged on the transmission disc (53), and the two transmission gears (54) can be respectively meshed with the upper cutter rotating gear (22) or the lower cutter rotating gear (35), a handle (5) with one end extending out of the machine body (1) is fixedly arranged on the transmission disc (53), and a limiting structure capable of limiting the handle (5) to rotate around the axis of the main gear (6) is arranged on the machine body (1).

2. An electric shear according to claim 1, wherein: the handle (5) comprises a fixing part (51) fixedly connected with a transmission disc (53) and a rotating part (52) hinged to the fixing part (51), the rotating axis of the rotating part (52) is perpendicular to the rotating axis of the main gear (6), the limiting structure comprises two limiting grooves (8) formed in the machine body (1), the limiting grooves (8) are parallel to the rotating axis of the main gear (6), and when the rotating part (52) is located inside the two limiting grooves (8) respectively, the two transmission gears (54) are meshed with the upper cutter rotating gear (22) or the lower cutter rotating gear (35) respectively.

3. An electric shear according to claim 1 or 2, wherein: the upper cutter bottom knife (24) is connected to the upper cutter bottom shaft (21) in a sliding manner along the axial direction of the main gear (6), and an elastic piece (26) for driving the upper cutter bottom knife (24) to slide back to the machine body (1) is fixedly connected to the upper cutter bottom shaft (21).

4. An electric shear according to claim 3, wherein: the elastic piece (26) comprises a spring (27) sleeved on the bottom shaft (21) of the upper cutter.

5. An electric shear according to claim 3, wherein: the upper cutter bottom shaft (21) is fixedly connected with a baffle (25), and the lower cutter bottom cutter (33) is positioned between the elastic piece (26) and the baffle (25).

6. An electric shear according to claim 1, wherein: the end surface of the upper cutter bottom cutter (24) back to the upper cutter bottom shaft (21) is gradually concave towards the direction close to the axis to form a slope part (28).

7. An electric shear according to claim 6, wherein: the included angle formed by the inner side wall of the inclined plane part (28) and the end face of the upper cutter bed knife (24) which is positively opposite to the inclined plane part (28) is 8-12 degrees.

8. An electric shear according to claim 1, wherein: the upper cutter top cutter (23) and the lower cutter bottom cutter (33) are in interference fit with each other by 1-1.5 mm.

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