CN111515468B

CN111515468B - Non-stop refrigeration house plate cutting machine capable of improving cutting efficiency

Info

Publication number: CN111515468B
Application number: CN202010509615.2A
Authority: CN
Inventors: 高蔡天志
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-05-04
Anticipated expiration: 2040-06-05
Also published as: CN111515468A

Abstract

The invention discloses a non-stop refrigerator board cutting machine capable of improving cutting efficiency, which comprises a shell, a conveyor belt, a positioning device, a moving frame, a cutting device, a driving device and a buffering device, wherein the conveyor belt is arranged on the shell; the positioning device comprises a first helical gear arranged on the shell, a first torsion spring arranged on the helical gear, an alignment mechanism arranged on the first helical gear and parallel to the surface of the conveyor belt, a second helical gear arranged on the shell and matched with the first helical gear, and a pressing plate mechanism arranged on the second helical gear; the axis of the first bevel gear is vertical to the bottom surface of the shell; one end of the first torsion spring is arranged on the first bevel gear, and the other end of the first torsion spring is fixedly arranged on the side wall of the shell; the axis of the second bevel gear is vertical to the axis of the first bevel gear and is arranged on the shell, and the second bevel gear is meshed with the first bevel gear; the cold storage plate cutting device has the advantages that the cold storage plate placed on the conveyor belt is subjected to angle alignment through the alignment mechanism, then the pressing plate mechanism is driven to compress the cold storage plate while the alignment is carried out, and further the shearing device is started to cut the cold storage plate while the conveyor belt conveys the cold storage plate; the cutting efficiency is further improved as the cutting is performed during the transfer.

Description

Non-stop refrigeration house plate cutting machine capable of improving cutting efficiency

Technical Field

The invention belongs to the technical field of cold storage plate cutting, and particularly relates to a non-stop cold storage plate cutting machine capable of improving cutting efficiency.

Background

The method comprises the following steps that after the refrigeration house plate is formed, the refrigeration house plate is required to be cut according to different requirements, the refrigeration house plate is placed on a conveying belt in the existing cutting method, and then the conveying is stopped when the refrigeration house plate is required to be cut, so that the refrigeration house plate is cut; meanwhile, no mechanism is used for positioning the refrigeration house plate during conveying, so that the cutting surface is incomplete; the quality of the cold storage plate after cutting that has influenced on the one hand cutting efficiency on the other hand influence.

Disclosure of Invention

The invention provides a non-stop refrigerator board cutting machine which can improve the cutting efficiency in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a non-stop cold storage plate cutting machine capable of improving cutting efficiency comprises a shell, a conveying belt arranged on the shell, a positioning device arranged on the conveying belt, a moving frame arranged on the shell, a cutting device arranged in the moving frame, a driving device arranged below the moving frame and a buffer device arranged below the moving frame and connected with the shell; the positioning device comprises a first helical gear arranged on the shell, a first torsion spring arranged on the helical gear, an alignment mechanism arranged on the first helical gear and parallel to the surface of the conveyor belt, a second helical gear arranged on the shell and matched with the first helical gear, and a pressing plate mechanism arranged on the second helical gear; the axis of the first bevel gear is vertical to the bottom surface of the shell; one end of the first torsion spring is arranged on the first bevel gear, and the other end of the first torsion spring is fixedly arranged on the side wall of the shell; the axis of the second bevel gear is perpendicular to the axis of the first bevel gear and is arranged on the shell, and the second bevel gear is meshed with the first bevel gear.

When the equipment is started, firstly, a refrigeration house plate needing to be cut is placed on a conveying belt; starting the conveyor belt to enable the refrigeration house plate to slowly move; the front end of the cold storage plate is abutted against the aligning mechanisms on the two sides of the shell, and the bent and inclined cold storage plate is aligned under the abutting of the aligning mechanisms; when the alignment mechanism is bent, the first bevel gear is driven to rotate, and the second bevel gear is further driven to start to rotate; thereby enabling the pressing plate mechanism to slowly rotate downwards, and further pressing the refrigeration house plate by the pressing plate mechanism; preventing dislocation during cutting; the further refrigeration house plate slowly enters the position right below the moving frame under the transmission of the conveyor belt; at the moment, the shearing device is started to shear the refrigeration house plate; then, during shearing, the moving frame moves to the right; so that the refrigeration house plate can be driven to cut; the cut cold storage plate enters the next conveying belt to be conveyed; the arrangement of the conveyor belt improves the stability of the conveyor belt when the cold storage plate is conveyed, and further improves the shearing effect; the arrangement of the movable frame realizes that the movable frame drives the cutting device to move at the same speed as the conveyor belt when the refrigeration house plate is cut, so that the refrigeration house plate is cut when being conveyed, and the cutting efficiency of the equipment is improved; the longitudinal cutting of the refrigeration house plate is realized through the arrangement of the cutting device, the cutting accuracy is improved, and the cutting effect of the equipment is further improved; the positioning of the refrigeration house plate before cutting is realized through the arrangement of the positioning device, the accuracy of cutting is ensured, and the cutting effect of the equipment is improved; the synchronous movement of the alignment mechanism and the pressing plate mechanism is realized through the matching of the first bevel gear and the second bevel gear, and the effect of the equipment for aligning the cold storage plate is improved; the reset of the aligning mechanism is realized through the arrangement of the first torsion spring, and the aligning effect of the aligning mechanism is improved.

The alignment mechanism comprises a first bent rod arranged on the first helical gear, a second bent rod arranged on the first bent rod and hinged with the first bent rod, a second torsion spring connected with the first bent rod and the second bent rod, a roller arranged on the second bent rod, and a first spring connected with the roller and the second bent rod; the cross sections of the first bent rod and the second bent rod are arc-shaped; the longitudinal section of the roller is I-shaped and can be rotatably embedded at one end of the second bent rod.

When the cold storage plate moves on the conveyor belt, the cold storage plate firstly passes through the roller and then receives extrusion force of the cold storage plate to rotate the first bevel gear, so that the first bent rod and the second bent rod rotate, and the roller is attached to the side wall of the cold storage plate to move; when the width of the refrigeration house plate is larger, the second torsion spring starts to act, so that the first bent rod and the second bent rod are folded, and extrusion force generated when the refrigeration house plate moves is relieved; when the roller meets the unevenness of the refrigeration house plate, the first spring starts to bear force, so that the roller contracts inwards; the arrangement of the second torsion spring enables the alignment to realize that the roller generates extrusion force on the refrigeration house plate, so that the refrigeration house plate can continuously keep an aligned state after being aligned, and the cutting is more accurate; the arrangement of the roller wheels realizes the rolling friction during the adjustment of the refrigeration house plate, so that the friction force on the refrigeration house plate is reduced, and the adjustment sensitivity on the refrigeration house plate is improved; the extrusion force of the refrigeration house plate is reduced through the arrangement of the second torsion spring, so that the refrigeration house plate can run more stably; the influence on the first helical gear when the roller rotates is reduced through the arrangement of the first spring.

The pressing plate mechanism comprises a plurality of pressing blocks arranged on the second helical gear, an arc groove formed in the pressing block fixedly connected with the second helical gear, a limiting block arranged on the shell, a second spring arranged in the limiting block, a square groove formed in the pressing block, a plurality of pressing wheels arranged in the square groove and a third spring connected with each pressing block; each pressing block can be interactively connected with each other, and an included angle is reserved between each pressing block and the conveying belt; the tail end of the arc groove is rectangular.

When the second bevel gear starts to move, the pressing block starts to be driven to move downwards, the limiting block starts to move in the arc groove at the moment, and when the pressing block presses the cold storage plate, the further limiting block starts to act to enable the pressing block to be kept in a horizontal state all the time; then, each pressing block is adjusted in position according to the position, so that each pressing block can be attached to the refrigeration house plate; further, the pressing wheel in the square groove is attached to the surface of the refrigeration storage plate to move; the limiting of the pressing blocks is realized through the arrangement of the arc grooves, so that the pressing blocks are always kept parallel, and the positioning precision of the refrigeration storage plate is improved; the friction force is reduced by the pressing of the pressing wheel, and the smoothness of the equipment running cold storage plate is further improved.

The pressing wheel comprises a plurality of second rollers arranged in the square groove, a circular groove formed in the inner wall of the square groove, a first connecting rod arranged on the circular groove, a third spring arranged on the first connecting rod, second connecting rods arranged between the second rollers and a fourth spring arranged on the second connecting rod; the diameter of the first connecting rod is smaller than that of the circular groove; and two ends of the second connecting rod are respectively and universally hinged with the second roller.

When the pressing block is attached to the surface of the refrigeration storage plate, the second rollers can be in contact with the surface of the refrigeration storage plate, the third spring starts to act under the action of the extrusion force, each second roller is enabled to displace, and further when the second rollers meet the inclined plane of the surface of the refrigeration storage plate; the second connecting rod is in universal hinge joint, so that the second roller is inclined, and the second roller can be attached to the surface of the refrigeration storage plate; the friction force is reduced when the refrigeration house plate is extruded through the arrangement of the second roller, so that the refrigeration house plate can run more stably; the second roller can move up and down, left and right in the square groove through the arrangement of the first connecting rod and the circular groove, so that the second roller can be close to the surface of the refrigeration storage plate, and the positioning effect is further improved; the second idler wheel can be inclined through the arrangement of the second connecting rod, the surfaces of the refrigeration house plates are further attached, and the positioning of the refrigeration house plates is further improved.

The cutting device comprises a sliding block arranged in the moving frame, a cutting knife arranged on the sliding block, a first rack arranged below the sliding block, a fifth spring arranged on the first rack, a second rack arranged on the shell and connected with the first rack, and a connecting roller arranged on the second rack; the first rack can be embedded in the moving frame in a vertically moving mode, and the length direction of the rack is perpendicular to the bottom surface of the shell; the second rack can be embedded on the shell in a left-right moving mode and can be meshed with the first rack; the two connecting rollers are respectively and fixedly arranged at two ends of the second rack.

When the refrigeration house plate moves to the position right below the moving frame, the sliding block is started to move downwards; the further cutting knife moves downwards and drives the first rack to move downwards; further driving the second rack to move to the right for a certain distance; at the moment, the cutting knife begins to cut the refrigeration house plate; the connecting roller is driven to move rightwards during cutting, and the further conveyor belt is displaced; through the arrangement of the device, the equipment can be cut while being conveyed by the refrigeration house plate, so that the cutting efficiency of the equipment is further improved, and the cutting precision is guaranteed.

The conveying belt comprises a first rotating roller arranged in the shell, a second driving roller arranged on the connecting roller, a pressing roller arranged on the shell and a sixth spring arranged on the pressing roller; the compression roller can rotate and can move up and down and can abut against the conveyor belt on the inner wall of the under-pounding shell; the second transmission roller is rotatably embedded on the connecting roller; one end of the sixth spring is fixedly arranged on the first rack, and the other end of the sixth spring is fixedly connected to the shell.

When the second gear belt drives the connecting roller to move and the tension force of the conveyor belt is changed, a further sixth spring starts to act, so that the pressing roller and the inner surface of the conveyor belt are mutually abutted; so that the conveyor belt is always kept in a tensioning state; the pressing roller can always abut against the conveying belt through the arrangement of the sixth spring, so that the conveying efficiency of the equipment is further improved; the arrangement of the compression roller enables the tension to be kept and the friction force to be reduced, and the smoothness of equipment conveying is further improved.

The buffer device comprises a first toothed column arranged on the moving frame, helical teeth arranged on the first toothed column, a second toothed column arranged on the shell, a chute arranged on the second toothed column, and a seventh spring arranged on the shell; the first tooth column is rotatably embedded on the moving frame; the skewed slots may be interfitted with skewed teeth.

After cutting, rapidly resetting the cutting knife upwards, and simultaneously moving the movable frame leftwards for resetting; when the cutting plate is reset, the seventh spring starts to act to buffer the cutting plate; then the first tooth column and the second tooth column are matched with each other to offset the impact force brought by the seventh spring; the shock absorption of the movable frame is realized through the arrangement of the seventh spring, so that the movable frame is more stable in reset, and the influence on the conveying belt is reduced; the cooperation through first tooth post and second tooth post has realized carrying out the secondary to removing the frame and has slowed down, offsets the elasticity that the seventh spring brought for it is more steady to remove the frame and resets, further improves the stationarity of conveyer belt.

In conclusion, the invention has the following advantages: the refrigeration house plate is stably conveyed through the conveying belt, so that the conveying stability is improved; then, firstly, the refrigeration house plate is aligned through an alignment mechanism, and a pressing block is driven to extrude and fix the refrigeration house plate while the alignment is carried out; the refrigeration house plate is positioned, and the cutting precision is ensured; when cutting, further remove the cutting knife through removing the frame, realized not shutting down the cutting to the freezer board, improved work efficiency.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a cross-sectional view taken along line a-a of fig. 2 in accordance with the present invention.

Fig. 4 is a cross-sectional view of the invention as shown in fig. 3.

Fig. 5 is a partial view of the invention at C of fig. 1.

Fig. 6 is an exploded view of the alignment mechanism of the present invention.

Fig. 7 is an exploded view of the platen mechanism of the present invention.

Fig. 8 is a partial view of the invention at D in fig. 7.

Fig. 9 is a partial view of the invention at E of fig. 7.

Fig. 10 is a partial view at B of fig. 4 of the present invention.

Fig. 11 is a partial view at a in fig. 4 of the present invention.

Detailed Description

As shown in fig. 1 to 11, a non-stop refrigerator board cutting machine capable of improving cutting efficiency includes a housing 1, a conveyor belt 2, a positioning device 3, a moving frame 4, a cutting device 5, and a buffering device 6; the positioning device 3 comprises a first bevel gear 31, a first torsion spring 32, an alignment mechanism 7, a second bevel gear 33 and a pressing plate mechanism 8; the two groups of conveyor belts 2 are arranged on the shell 1, and the distance between the 2 groups of conveyor belts is 100 mm; the positioning device 3 is arranged on the conveyor belt 2 and is positioned on the right side; the axis of the first bevel gear 31 is vertical to the bottom surface of the shell 1 and is arranged on the inner wall of the shell 1; one end of the first torsion spring 32 is arranged on the first bevel gear 31, and the other end is fixedly arranged on the side wall of the shell 1; the aligning mechanism 7 is arranged on the first bevel gear 31 and is parallel to the conveyor belt 2; the second bevel gear 33 is rotatably embedded on the inner wall of the shell 1; the axis of the second bevel gear 33 is perpendicular to the axis of the first bevel gear 31 and can be meshed with the first bevel gear 31; the pressing plate mechanism 8 is arranged on the second bevel gear 33, and an included angle between the pressing plate mechanism and the conveyor belt 2 is 45 degrees.

As shown in fig. 5-6, the aligning mechanism 7 includes a first curved rod 71, a second curved rod 72, a second torsion spring 73, a roller 74, and a first spring 75; the cross section of the first curved bar 71 is arc-shaped, and the first curved bar 71 is arranged on the first bevel gear 31; the cross section of the second bent rod 72 is arc-shaped and is arranged on the first bent rod 72; the longitudinal section of the roller 74 is I-shaped and can be rotatably embedded at one end of the second bent rod 72; one end of the second torsion spring 73 is fixedly connected with the first bent rod 71, and the other end of the second torsion spring 73 is fixedly connected with the second bent rod 72; one end of the first spring 75 is fixed on the roller 74, and the other end is fixed on the second curved rod 72.

As shown in fig. 5 and 8, the pressing plate mechanism 8 includes a pressing block 81, an arc groove 82, a limiting block 83, a second spring 84, a square groove 85, a pressing wheel 9, and a third spring 86; the number of the pressing blocks 81 is multiple, each pressing block 81 is connected with each other in a sliding mode, and an included angle between each pressing block 81 and the conveyor belt 2 is 45 degrees; the arc groove 82 is formed in the pressing block 81 fixedly connected with the second helical gear 33, and the tail end of the arc groove 82 is rectangular; the limiting block 83 is arranged on the shell 1; the second spring 84 is arranged in the limiting block 83, and the second spring 84 is arranged in the limiting block 83; the square groove 85 is arranged on the pressing block 81; a plurality of press wheels 9 are rotatably embedded in the square groove 85; the third spring 86 is connected to each pressing piece 81.

As shown in fig. 8, the pressing wheel 9 includes a second roller 90, a circular groove 91, a first connecting rod 92, a third spring 93, a second connecting rod 94, and a fourth spring 95; the plurality of second rollers 90 are rotatably embedded in the square groove 85; the circular groove 91 is formed in the inner wall of the square groove 85; the diameter of the first connecting rod 92 is smaller than that of the circular groove 91, and the first connecting rod is embedded in the circular groove 91; two ends of the second connecting rod 94 are respectively hinged with the second roller 90 in a universal manner; the fourth spring 95 is disposed on the second link 94.

As shown in fig. 4 and 10, the cutting device 5 includes a slider 51, a cutting knife 52, a first rack 53, a fifth spring 54, a second rack 55, and a connecting roller 56; the slide block 51 is arranged in the movable frame 4; the cutting knife 52 is arranged on the sliding block 51; the first rack 53 can be vertically moved and embedded in the moving frame 4, and the length direction of the first rack 53 is vertical to the bottom surface of the shell 1; the fifth spring 54 is arranged on the first rack 53; the second rack 55 can be embedded on the shell 1 in a left-right moving way, and the second rack 55 can be meshed with the first rack 53; the two connecting rollers 56 are respectively and fixedly arranged at two ends of the second rack 55.

As shown in fig. 3, the conveyor belt 2 includes a first rotating roller 21, a second driving roller 22, a pressing roller 23, and a sixth spring 24; the first rotating roller 21 is arranged on the shell 1; the compression roller 23 can rotate and can move up and down on the inner wall of the under-pounding shell 1, and the compression roller 23 can abut against the conveyor belt 2; the second driving roller 22 is rotatably embedded on the connecting roller 56; one end of the sixth spring 24 is fixedly arranged on the first rack 53, and the other end is fixedly connected to the housing 1.

As shown in fig. 11, the damping device 6 includes a first tooth post 61, a helical tooth 62, a second tooth post 63, a diagonal groove 64, and a seventh spring 65; the first tooth post 61 is rotatably embedded on the moving frame 4; the helical teeth 62 are arranged on the first tooth column 61; the second tooth post 63 is arranged on the dormitory shell 1; the inclined groove 64 is formed on the second tooth column 63, and the inclined groove 64 can be matched with the inclined teeth 62; one end of the seventh spring 65 is connected to the housing 1, and the other end is connected to the movable frame 4.

The specific working process is as follows: before the equipment is started, a cold storage plate to be cut is placed on the conveyor belt 2; then the conveyor belt 2 is started to enable the refrigeration house plate to move slowly, firstly, the refrigeration house plate firstly passes through the roller and then receives extrusion force for movement of the refrigeration house plate to enable the first bevel gear to rotate, so that the first bent rod and the second bent rod rotate, and at the moment, the roller is attached to the side wall of the refrigeration house plate to move; when the width of the refrigeration house plate is larger, the second torsion spring starts to act, so that the first bent rod and the second bent rod are folded, and extrusion force generated when the refrigeration house plate moves is relieved; when the roller meets the unevenness of the refrigeration house plate, the first spring starts to bear force, so that the roller contracts inwards; when the second bevel gear starts to move, the pressing block starts to be driven to move downwards, the limiting block starts to move in the arc groove at the moment, and when the pressing block presses the cold storage plate, the further limiting block starts to act to enable the pressing block to be always kept in a horizontal state; then, each pressing block is adjusted in position according to the position, so that each pressing block can be attached to the refrigeration house plate; when the pressing block is attached to the surface of the refrigeration storage plate, the second rollers can be in contact with the surface of the refrigeration storage plate, the third spring starts to act under the action of the extrusion force, each second roller is enabled to displace, and further when the second rollers meet the inclined plane of the surface of the refrigeration storage plate; the second connecting rod is in universal hinge joint, so that the second roller is inclined, and the second roller can be attached to the surface of the refrigeration storage plate; the refrigeration house plate is positioned, and then when the refrigeration house plate moves to the position right below the moving frame, the sliding block is started to move downwards; the further cutting knife moves downwards and drives the first rack to move downwards; further driving the second rack to move to the right for a certain distance; at the moment, the cutting knife begins to cut the refrigeration house plate; the connecting roller is driven to move rightwards during cutting, and the further conveyor belt is displaced; at the moment, the tension of the conveyor belt is changed, and meanwhile, the sixth spring starts to act, so that the compression roller and the inner surface of the conveyor belt are mutually abutted; so that the conveyor belt is always kept in a tensioning state; then, after cutting is finished, the cutting knife is quickly reset upwards, and meanwhile, the movable frame moves leftwards to reset; when the cutting plate is reset, the seventh spring starts to act to buffer the cutting plate; then first tooth post and second tooth post are mutually supported, offset the impact force that seventh spring brought and make the conveyer belt can transmit more steadily.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A nonstop cold storage plate cutting machine capable of improving cutting efficiency comprises a shell (1), a conveying belt (2) arranged on the shell (1), a positioning device (3) arranged on the conveying belt (2), a movable frame (4) arranged on the shell (1), a cutting device (5) arranged in the movable frame (4) and a buffer device (6) arranged between the movable frame (4) and the shell (1); the method is characterized in that: the positioning device (3) comprises a first helical gear (31) arranged on the shell (1), a first torsion spring (32) arranged on the first helical gear (31), an alignment mechanism (7) arranged on the first helical gear (31) and parallel to the surface of the conveyor belt (2), a second helical gear (33) arranged on the shell (1) and matched with the first helical gear (31), and a pressing plate mechanism (8) arranged on the second helical gear (33); the axis of the first bevel gear (31) is vertical to the bottom surface of the shell (1); one end of the first torsion spring (32) is arranged on the first bevel gear (31), and the other end of the first torsion spring is fixedly arranged on the side wall of the shell (1); the axis of the second bevel gear (33) is perpendicular to the axis of the first bevel gear (31) and is arranged on the shell (1), and the second bevel gear (33) is meshed with the first bevel gear (31).

2. The non-stop freezer board cutting machine capable of improving cutting efficiency according to claim 1, wherein: the aligning mechanism (7) comprises a first bent rod (71) arranged on the first bevel gear (31), a second bent rod (72) arranged on the first bent rod (71) and hinged with the first bent rod (71), a second torsion spring (73) connected with the first bent rod (71) and the second bent rod (72), a roller (74) arranged on the second bent rod (72), and a first spring (75) connected with the roller (74) and the second bent rod (72); the cross sections of the first bent rod (71) and the second bent rod (72) are arc-shaped; the longitudinal section of the roller (74) is I-shaped and can be rotatably embedded at one end of the second bent rod (72).

3. The non-stop freezer board cutting machine capable of improving cutting efficiency according to claim 1, wherein: the pressing plate mechanism (8) comprises a plurality of pressing blocks (81) arranged on the second helical gear (33), an arc groove (82) formed in the pressing block (81) fixedly connected with the second helical gear (33), a limiting block (83) arranged on the shell (1), a second spring (84) arranged in the limiting block (83), a square groove (85) formed in the pressing block (81), a plurality of pressing wheels (9) arranged in the square groove (85), and a third spring (86) connected with each pressing block (81); each pressing block (81) can be interactively connected, and an included angle is reserved between each pressing block (81) and the conveyor belt (2); the tail end of the arc groove (82) is rectangular.

4. The non-stop freezer board cutting machine capable of improving cutting efficiency according to claim 3, wherein: the pressing wheel (9) comprises a plurality of second rollers (90) arranged in a square groove (85), a circular groove (91) formed in the inner wall of the square groove (85), a first connecting rod (92) arranged on the circular groove (91), a third spring (93) arranged on the first connecting rod (92), a second connecting rod (94) arranged between the second rollers (90), and a fourth spring (95) arranged on the second connecting rod (94); the diameter of the first connecting rod (92) is smaller than that of the circular groove (91); and two ends of the second connecting rod (94) are respectively and universally hinged with the second roller (90).

5. The non-stop freezer board cutting machine capable of improving cutting efficiency according to claim 1, wherein: the cutting device (5) comprises a sliding block (51) arranged in the movable frame (4), a cutting knife (52) arranged on the sliding block (51), a first rack (53) arranged below the sliding block (51), a fifth spring (54) arranged on the first rack (53), a second rack (55) arranged on the shell (1) and meshed with the first rack (53), and a connecting roller (56) arranged on the second rack (55); the first rack (53) can be embedded in the movable frame (4) in a vertically moving mode, and the length direction of the first rack (53) is perpendicular to the bottom surface of the shell (1); the second rack (55) can be embedded on the shell (1) in a left-right moving mode, and the second rack (55) can be meshed with the first rack (53); the two connecting rollers (56) are respectively and fixedly arranged at two ends of the second rack (55).

6. The non-stop refrigerator board cutting machine capable of improving cutting efficiency according to claim 5, wherein: the conveying belt (2) comprises a first rotating roller (21) arranged in the shell (1), a second driving roller (22) arranged on the connecting roller (56), a pressing roller (23) arranged on the shell (1), and a sixth spring (24) arranged on the pressing roller (23); the compression roller (23) can rotate and can be embedded on the inner wall of the shell (1) in a vertically moving mode, and the compression roller (23) can be abutted against the conveyor belt (2); the second driving roller (22) is rotatably embedded on the connecting roller (56); one end of the sixth spring (24) is fixedly arranged on the press roller (23), and the other end of the sixth spring is fixedly connected to the shell (1).

7. The non-stop freezer board cutting machine capable of improving cutting efficiency according to claim 1, wherein: the buffer device (6) comprises a first toothed column (61) arranged on the movable frame (4), inclined teeth (62) arranged on the first toothed column (61), a second toothed column (63) arranged on the shell (1), an inclined groove (64) formed in the second toothed column (63), and a seventh spring (65) arranged on the shell (1); the first tooth column (61) is rotatably embedded on the moving frame (4); the angled slots (64) may cooperate with angled teeth (62).