CN210538572U

CN210538572U - Multistage descaler for carrying out all-dimensional descaler on fish body

Info

Publication number: CN210538572U
Application number: CN201921401116.0U
Authority: CN
Inventors: 崔涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-19
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a carry out multistage descaler of all-round descale to fish body, the problem of solution is that present descaler can only remove the fish scale of specific fish both sides, and the fish scale desorption of the back of a fish and fish belly is unclean, needs the manual work to carry out the secondary descale, descale inefficiency. The utility model comprises a support frame and a transmission system, wherein a transverse descaling spring is arranged in the support frame, and a longitudinal walking spring and a longitudinal descaling spring are arranged at two sides of the transverse descaling spring; the support frame is characterized in that a support plate is arranged at the lower part of the support frame, a cross beam is arranged at the upper part of the support frame, a transmission frame is arranged at the front part of the support frame, a longitudinal support plate is arranged at the rear part of the support frame, a longitudinal walking spring and a longitudinal descaling spring are arranged between the support plate and the cross beam, and a transverse descaling spring is arranged between the transmission frame and the longitudinal support plate. The utility model discloses a setting of two pairs of vertical desquamation springs and horizontal lantern spring realizes the cubic desquamation to the fish body, can be applicable to the desorption of the fish scale of different size varieties fish simultaneously, has solved the difficult problem of desquamation of the back of a fish and fish belly.

Description

Multistage descaler for carrying out all-dimensional descaler on fish body

Technical Field

The utility model relates to a machinery field is produced to the fish, concretely relates to a multistage descaler for carrying out all-round descale to fish body.

Background

Fish has been one of the important protein sources for human beings throughout the history, and there are many kinds of edible fish, and fish in various places have their own characteristics. However, most of the fishes need to be descaled before eating, and the fish scales grow on the outer surfaces of the fishes to protect the fishes and prevent the fishes from losing water, and the shells are generally fan-shaped. The common fish scale removing method is that a steel wire brush is used for removing fish scales, is simple and easy to operate, is suitable for removing the fish scales when people eat the fish, but has high working strength for workers engaged in aquatic work, fingers are deformed due to long-term fish scale removing action, and the working efficiency is low; a descaler is designed aiming at descaleing a large quantity of fishes, but most of the existing descalers only can descale fish scales of specific species and specific sizes by adopting one-time descale, and only can descale fish scales on two sides of the fish during descale removal, so that the fish scales on the back and the belly of the fish are not completely removed, secondary descale is needed manually, and the descale efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that present descaler can only get rid of the fish scale of the fish of specific variety and specific size, and can only get rid of fish both sides fish scale when descaleing the desorption, and the back of the body and the abdominal fish scale desorption of fish are not clean, need the manual work to carry out the secondary descale, descale inefficiency, provide a descale clean quick carry out the multistage descaler of all-round descale to the fish body.

In order to solve the technical problem, the utility model adopts the following technical scheme: a multi-stage descaler for carrying out omnibearing descaling on a fish body comprises a support frame and a transmission system, wherein a transverse descaling spring is arranged in the support frame, a longitudinal walking spring and a longitudinal descaling spring are arranged on two sides of the transverse descaling spring, and the transverse descaling spring, the longitudinal walking spring and the longitudinal descaling spring are all connected with the transmission system; the support frame is characterized in that a support plate is arranged at the lower part of the support frame, a cross beam is arranged at the upper part of the support frame, a transmission frame is arranged at the front part of the support frame, a longitudinal support plate is arranged at the rear part of the support frame, a longitudinal walking spring and a longitudinal descaling spring are arranged between the support plate and the cross beam, and a transverse descaling spring is arranged between the transmission frame and the longitudinal support plate.

The transverse descaling spring comprises a lantern spring, a front-end rotating shaft and a rear-end rotating shaft, wherein two ends of the lantern spring are respectively sleeved on the front-end rotating shaft and the rear-end rotating shaft, the front-end rotating shaft is connected with the transmission frame through a bearing, and the rear-end rotating shaft is connected with the longitudinal support plate through a bearing; the lantern spring has two, two lantern springs set up from top to bottom, the external diameter of lantern spring from the centre after to both sides crescent again reduce gradually.

The front-end rotating shaft comprises an upper rotating shaft and a lower rotating shaft, and the upper rotating shaft and the lower rotating shaft are respectively matched with two lantern springs which are arranged up and down; the transmission frame sequentially comprises a fixed plate, a movable plate I, a transverse support plate and a movable plate II from bottom to top, a lower spring is arranged between the movable plate I and the transverse support plate, and an upper spring is arranged between the transverse support plate and the movable plate II; the lower rotating shaft is connected with the fixed plate, the upper rotating shaft is connected with the movable plate I, the movable plate II is provided with two steering gears, the lower end of the lantern spring chain is connected with the lower rotating shaft, and the upper end of the lantern spring chain is connected with the upper rotating shaft after bypassing the steering gears; the lower rotating shaft is connected with a transmission system through a bevel gear I.

The longitudinal descaling spring comprises a descaling spring, an upper rotating shaft I and a lower rotating shaft I, wherein two ends of the descaling spring are respectively sleeved on the upper rotating shaft I and the lower rotating shaft I, the upper rotating shaft I is connected with the cross beam through a bearing, and the lower rotating shaft I is connected with the supporting plate through a bearing; the lower rotating shaft I is connected with a transmission system; two pairs of longitudinal descaling springs are arranged, each pair of longitudinal descaling springs are arranged in front and at the back, and the lower rotating shafts I of each pair of longitudinal descaling springs are in transmission through gears.

The longitudinal walking spring comprises a walking spring, an upper rotating shaft II and a lower rotating shaft II, two ends of the walking spring are respectively sleeved on the upper rotating shaft II and the lower rotating shaft II, the upper rotating shaft II is connected with the cross beam through a bearing, and the lower rotating shaft II is connected with the supporting plate through a bearing; the lower rotating shaft II is connected with a transmission system; two pairs of longitudinal walking springs are arranged, each pair of longitudinal walking springs is arranged in front of and behind, and the lower rotating shafts II of each pair of longitudinal walking springs are in transmission through gears.

The outer side of the walking spring is provided with a cylinder, and the outer side of the cylinder is provided with a thorn sheet in a surrounding mode.

At least two scraping blades are sleeved on spring wires of the lantern spring, the walking spring and the descaling spring, and a spacing cylinder is arranged between every two adjacent scraping blades.

The belly breaking device comprises a tray, a belly breaking saw blade 102 is arranged below the tray, and the belly breaking saw blade is connected with a transmission system; a fish pressing plate is arranged above the belly breaking saw knife, and a limiting spring is arranged between the fish pressing plate 105 and the upper portion of the tray.

The transmission system comprises a motor, an output shaft of the motor is connected with a main shaft through a belt, a bevel gear II is arranged at the upper end of the main shaft, and the bevel gear II is connected with the belly breaking saw blade through a bevel gear shaft; the lower end of the main shaft extends into the gearbox, and an output shaft of the gearbox is connected with the longitudinal walking spring and the longitudinal descaling spring; the two output shafts of the gearbox are respectively a walking spring connecting shaft and a descaling spring connecting shaft, the walking spring connecting shaft is connected with a lower rotating shaft II of the longitudinal walking spring, and the descaling spring connecting shaft is connected with a lower rotating shaft I of the longitudinal descaling spring.

A descaling method for a multistage descaler capable of performing all-around descaling on a fish body comprises the following steps of ① enabling the fish body to enter a support frame from a left longitudinal descaling spring, descaling fish scales on two sides of the fish body in the longitudinal descaling spring, completing first descaling of the fish body, enabling ③ the fish body after the first descaling to enter a transverse lantern spring after passing through a pair of longitudinal walking springs, descaling fish backs and fish bells in the transverse lantern spring, completing second descaling of the fish body, enabling ③ the fish body after the second descaling to enter a right longitudinal descaling spring after passing through a next pair of longitudinal walking springs, and removing the fish scales on two sides of the fish body again to complete third descaling of the fish body, enabling ③ the fish body after the third descaling to enter a belly breaking system to be belly broken, and ① enabling the belly broken fish body to be the fish body after the full-around descaling.

and secondly, when the fish body is descaled for the second time through the transverse lantern springs, the fish body passes through a space between the two lantern springs, the two lantern spr in the step ② the fish body is large, the fish body pushes the upper lantern spring to bend and move upwards, the upper rotating shaft moves upwards, the lower spring is compressed, the lantern spring chain between the steering gear and the upper rotating shaft is loosened, and at the moment, under the action of restoring force of the upper spring, the movable plate II moves upwards, and the lantern spring chain is tensioned again.

The utility model discloses a setting of two pairs of vertical desquamation springs and horizontal lantern spring realizes the cubic desquamation to the fish body for the fish scale desorption of fish body both sides is cleaner, can be applicable to the desorption of the fish scale of different size varieties fish, has solved the difficult problem of fish back and fish belly desquamation simultaneously, and desquamation is clean fast, does not need the manual work to carry out the secondary desquamation, practices thrift the labour greatly.

Drawings

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

FIG. 2 is a schematic view of the back structure of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic cross-sectional view of the walking spring of the present invention;

fig. 5 is a schematic view of a spring wire structure.

FIG. 6 is a schematic view of the drive train configuration of the lower surface of the support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1 to 6, a multi-stage descaler for performing omnibearing descaling on a fish body comprises a support frame 1 and a transmission system 9, wherein a transverse descaling spring 5 is arranged in the support frame 1, a longitudinal walking spring 4 and a longitudinal descaling spring 6 are arranged on two sides of the transverse descaling spring 5, and the transverse descaling spring 5, the longitudinal walking spring 4 and the longitudinal descaling spring 6 are all connected with the transmission system 9; the support frame is characterized in that a support plate 2 is arranged at the lower part of the support frame 1, a cross beam 3 is arranged at the upper part of the support frame 1, a transmission frame 7 is arranged at the front part of the support frame 1, a longitudinal support plate 8 is arranged at the rear part of the support frame 1, a longitudinal walking spring 4 and a longitudinal descaling spring 6 are arranged between the support plate 2 and the cross beam 3, and a transverse descaling spring 5 is arranged between the transmission frame 7 and the longitudinal support plate 8.

The transverse descaling spring 5 comprises a lantern spring 51, a front-end rotating shaft 52 and a rear-end rotating shaft 53, two ends of the lantern spring 51 are respectively sleeved on the front-end rotating shaft 52 and the rear-end rotating shaft 53, the front-end rotating shaft 52 is connected with the transmission frame 7 through a bearing, and the rear-end rotating shaft 53 is connected with the longitudinal support plate 8 through a bearing; the number of the lantern springs 51 is two, the two lantern springs 51 are arranged up and down, and the outer diameter of the lantern springs 51 gradually increases from the middle to the two sides and then gradually decreases. The external diameter of lantern spring 51 is crescent to both sides from the centre, and two lantern spring 51 symmetries set up, make two lantern spring 51's intermediate space great, the space in the middle of two lantern springs 51 diminishes to both sides from the centre gradually, the fish body that needs to descale passes from the space in the middle of two lantern springs 51, the back and the belly of fish body contact with two lantern springs 51 respectively, and two lantern springs 51 tighten the fish body, when the fish body passes through the lantern spring, the back and the abdominal fish scale desorption of fish of lantern spring, two lantern spring 51 cooperation vertically descale spring 6 and reach the effect of carrying out all-round descale to the fish body, descale cleaner quick, do not need the manual work to carry out the secondary descale, practice thrift workman labour greatly.

The front end rotating shaft 52 comprises an upper rotating shaft 521 and a lower rotating shaft 522, and the upper rotating shaft 521 and the lower rotating shaft 522 are respectively matched with the two lantern springs 51 which are arranged up and down; the transmission frame 7 sequentially comprises a fixed plate 71, a movable plate I72, a transverse support plate 73 and a movable plate II74 from bottom to top, a lower spring 75 is arranged between the movable plate I72 and the transverse support plate 73, and an upper spring 76 is arranged between the transverse support plate 73 and the movable plate II 74; the lower rotating shaft 522 is connected with the fixed plate 71, the upper rotating shaft 521 is connected with the movable plate I72, the movable plate II74 is provided with two steering gears 77, the lower end of the lantern spring chain 78 is connected with the lower rotating shaft 522, and the upper end of the lantern spring chain 78 bypasses the steering gears 77 and is connected with the upper rotating shaft 521; the lower rotating shaft 522 is connected with a transmission system through a bevel gear I523. In use, the transmission system drives the lower shaft 522 to rotate, and further drives the upper shaft 521 to rotate. The lower part of the movable plate I72 of the utility model is provided with a stop block to prevent the upper rotating shaft 521 from falling excessively; in the initial state, the lower spring 75 is in the initial state, the upper spring 76 is in a compressed state, when the fish body is descaled, the fish body passes through the space between the two lantern springs 51, the two lantern springs 51 move towards each other, when the fish body is large, the fish body pushes against the upper lantern spring to move upwards, the upper rotating shaft 521 moves upwards, the lower spring 75 is compressed, the lantern spring chain 78 between the steering gear 77 and the upper rotating shaft 521 is loosened, and at the moment, under the restoring force of the upper spring 76, the movable plate II74 moves upwards to tighten the lantern spring chain 78 again; the tightness of the lantern spring chain 78 is automatically adjusted, so that the lantern spring chain is suitable for descaling of fish bodies of different sizes and descaling of different parts of the same fish, and is wide in use and prevention. After the fish body passes through, the upper rotating shaft 521 and the movable plate II74 are reset to wait for the next work.

The longitudinal descaling spring 6 comprises a descaling spring 61, an upper rotating shaft I62 and a lower rotating shaft I63, two ends of the descaling spring 61 are respectively sleeved on the upper rotating shaft I62 and the lower rotating shaft I63, the upper rotating shaft I62 is connected with the cross beam 3 through a bearing, and the lower rotating shaft I63 is connected with the support plate 2 through a bearing; the lower rotating shaft I63 is connected with a transmission system; two pairs of longitudinal descaling springs 6 are provided, each pair of longitudinal descaling springs 6 are arranged in front and at the back, and the lower rotating shafts I63 of each pair of longitudinal descaling springs 6 are in gear transmission. The gear transmission enables each pair of longitudinal descaling springs 6 to rotate inwards, so that the fish body can be tightened and the fish scales can be removed conveniently; two pairs of descaling springs 61 are respectively arranged at two ends of the support frame to descale two sides of the fish body, so that the fish scales are removed more cleanly and thoroughly.

The longitudinal walking spring 4 comprises a walking spring 41, an upper rotating shaft II42 and a lower rotating shaft II43, two ends of the walking spring 41 are respectively sleeved on the upper rotating shaft II42 and the lower rotating shaft II43, the upper rotating shaft II42 is connected with the cross beam 3 through a bearing, and the lower rotating shaft II43 is connected with the support plate 2 through a bearing; the lower rotating shaft II43 is connected with a transmission system; two pairs of longitudinal walking springs 4 are arranged, each pair of longitudinal walking springs 4 are arranged in front of and behind, and the lower rotating shafts II43 of each pair of longitudinal walking springs 4 are in gear transmission. The gear transmission enables each pair of lower rotating shafts II43 to rotate inwards, so that the fish body can be clamped conveniently; two pairs of longitudinal walking springs 4 are respectively arranged between the longitudinal walking springs 4 and the transverse lantern springs, so that the fish body coming out of the longitudinal walking springs 4 can walk forwards to the transverse lantern springs and can continue to walk to the next longitudinal descaling spring 6 through the next longitudinal walking spring 4, the three-stage descaling process of the fish body is completed, and the fish scale removal is cleaner and more thorough.

A cylinder 412 is arranged outside the walking spring 41, and a thorn piece 413 is arranged around the cylinder. The thorn piece 413 has the multirow, and when the fish body passed through between every pair of vertical walking spring 4, thorn piece 413 top was on the fish body, played the fixed effect of fastening to the fish body, along with the rotation of vertical walking spring 4, with the fish body forward propelling movement, realized the walking of fish body.

At least two scraping blades 54 are sleeved on spring wires 56 of the lantern spring 51, the walking spring 41 and the descaling spring 61, and a spacing cylinder 55 is arranged between every two adjacent scraping blades 54. The fish scale removing process mainly depends on the rotation of various springs to drive the scraping blade 54 to rotate, so that the fish scales are scraped out through the scraping blade, the scale removing effect is good, and the fish body is not damaged.

The belly breaking device 10 comprises a tray 101, a belly breaking saw blade 102 is arranged below the tray 101, and the belly breaking saw blade 102 is connected with a transmission system; a fish pressing plate 105 is arranged above the belly breaking saw blade 102, and a limiting spring 106 is arranged between the fish pressing plate 105 and the upper part of the tray 101. When the fish body arrives above the belly breaking saw blade 102, the fish pressing plate 105 presses the fish body to prevent the fish body from moving upwards in the belly breaking process to influence belly breaking. A fish inlet 107 is also provided on the support frame 1 on the opposite side of the belly breaking device 10 for feeding fish to the descaler.

The transmission system 9 comprises a motor 91, an output shaft of the motor 91 is connected with a main shaft 93 through a belt 92, the upper end of the main shaft 93 is provided with a bevel gear II99, and the bevel gear II99 is connected with a belly breaking saw blade 102 through a bevel gear shaft; the lower end of the main shaft 93 extends into a gearbox 94, and an output shaft of the gearbox 94 is connected with a longitudinal walking spring 4 and a longitudinal descaling spring 6; the number of output shafts of the transmission case 94 is two, namely, a walking spring connecting shaft 941 and a descaling spring connecting shaft 942, the walking spring connecting shaft 941 is connected with the lower rotating shaft II43 of the longitudinal walking spring 4, and the descaling spring connecting shaft 942 is connected with the lower rotating shaft I63 of the longitudinal descaling spring 6. The lower rotating shaft 522 is connected with a lantern spring connecting shaft 524 through a bevel gear I523. The lower rotating shafts I63 of the two groups of longitudinal descaling springs 6 and the lantern spring connecting shaft 524 are transmitted through a belt I96, and the rotating speed is the first, so that the lantern spring connecting shaft rotates quickly; the lower rotating shafts II43 between the two groups of longitudinal walking springs 4 are driven by a chain II97, and the rotating speed is slow when the first rotating speed is up; after the speed of the transmission box is changed by gear transmission, the rotating speed of the main shaft is changed from high to low and then is output to a walking spring connecting shaft 941, and then is changed from low to high and then is output to a descaling spring connecting shaft 942; the rotating speeds of the longitudinal traveling spring 4 and the longitudinal descaling spring 6 are matched to realize the descaling and the traveling of the fish. The rotational speed of main shaft 93 is between the rotational speed of vertical walking spring 4 and vertical desquamation spring 6, makes the utility model discloses a motor realizes the output of three speed, practices thrift the power supply greatly. The utility model discloses a vertically walking spring 4, vertically desquamation spring 6, horizontal lantern spring 5, broken tripe saw sword 102 also can adopt different motors to drive the rotation respectively, realize the same function.

A descaling method of a multistage descaler for comprehensively descaling a fish body comprises the following steps of ① enabling the fish body to enter a support frame from a left longitudinal descaling spring 6, descaling fish scales on two sides of the fish body in the longitudinal descaling spring 6, completing primary descaling of the fish body, enabling ④ fish body after primary descaling to pass through a pair of longitudinal traveling springs 4, ① enabling the fish body to enter a transverse lantern spring 5, descaling fish backs and fish bellies on the transverse lantern spring 5, completing secondary descaling of the fish body, enabling ④ fish body, enabling ③ to enter a right longitudinal descaling spring 6 after passing through a next pair of longitudinal traveling springs 4, removing the fish scales on two sides of the fish body again, completing tertiary descaling of the fish body, enabling ④ fish body after tertiary descaling to enter a belly breaking system to be broken, and ① enabling the fish body after full-directional descaling to be the fish body after breaking.

secondly, when the fish body is descaled for the second time through the transverse lantern springs 5, the fish body passes through a space between the two lantern springs 51, the two lantern springs 51 move oppositely, when the fish body is large, the fish body pushes against the upper lantern spring to bend and move upwards, then the upper rotating shaft 521 moves upwards, the lower spring 75 is compressed, the lantern spring chain 78 between the steering gear 77 and the upper rotating shaft 521 is loosened, at the moment, the movable plate II74 moves upwards under the restoring force of the upper spring 76, and the lantern spring chain 78 is tightened again.

Claims

1. The utility model provides a multistage descaler that carries out all-round descale to fish body which characterized in that: the device comprises a support frame (1) and a transmission system (9), wherein a transverse descaling spring (5) is arranged in the support frame (1), a longitudinal walking spring (4) and a longitudinal descaling spring (6) are arranged on two sides of the transverse descaling spring (5), and the transverse descaling spring (5), the longitudinal walking spring (4) and the longitudinal descaling spring (6) are all connected with the transmission system (9); the support frame is characterized in that a supporting plate (2) is arranged on the lower portion of the supporting frame (1), a cross beam (3) is arranged on the upper portion of the supporting frame (1), a transmission frame (7) is arranged on the front portion of the supporting frame (1), a longitudinal supporting plate (8) is arranged on the rear portion of the supporting frame (1), a longitudinal walking spring (4) and a longitudinal descaling spring (6) are arranged between the supporting plate (2) and the cross beam (3), and a transverse descaling spring (5) is arranged between the transmission frame (7) and the longitudinal supporting plate (8).

2. The multistage descaler for all-round descaled fish according to claim 1, wherein: the transverse descaling spring (5) comprises a lantern spring (51), a front-end rotating shaft (52) and a rear-end rotating shaft (53), two ends of the lantern spring (51) are respectively sleeved on the front-end rotating shaft (52) and the rear-end rotating shaft (53), the front-end rotating shaft (52) is connected with the transmission frame (7) through a bearing, and the rear-end rotating shaft (53) is connected with the longitudinal support plate (8) through a bearing; the number of the lantern springs (51) is two, the two lantern springs (51) are arranged up and down, and the outer diameters of the lantern springs (51) are gradually increased from the middle to the two sides and then gradually decreased.

3. The multistage descaler for all-round descaled fish according to claim 2, wherein: the front-end rotating shaft (52) comprises an upper rotating shaft (521) and a lower rotating shaft (522), and the upper rotating shaft (521) and the lower rotating shaft (522) are respectively matched with two lantern springs (51) which are arranged up and down; the transmission frame (7) sequentially comprises a fixed plate (71), a movable plate I (72), a transverse support plate (73) and a movable plate II (74) from bottom to top, a lower spring (75) is arranged between the movable plate I (72) and the transverse support plate (73), and an upper spring (76) is arranged between the transverse support plate (73) and the movable plate II (74); the lower rotating shaft (522) is connected with the fixed plate (71), the upper rotating shaft (521) is connected with the movable plate I (72), the movable plate II (74) is provided with two steering gears (77), the lower end of the lantern spring chain (78) is connected with the lower rotating shaft (522), and the upper end of the lantern spring chain (78) is connected with the upper rotating shaft (521) after bypassing the steering gears (77); the lower rotating shaft (522) is connected with a transmission system through a bevel gear I (523).

4. The multistage descaler for all-round descaled fish according to claim 2, wherein: the longitudinal descaling spring (6) comprises a descaling spring (61), an upper rotating shaft I (62) and a lower rotating shaft I (63), two ends of the descaling spring (61) are respectively sleeved on the upper rotating shaft I (62) and the lower rotating shaft I (63), the upper rotating shaft I (62) is connected with the cross beam (3) through a bearing, and the lower rotating shaft I (63) is connected with the supporting plate (2) through a bearing; the lower rotating shaft I (63) is connected with a transmission system; two pairs of longitudinal descaling springs (6) are arranged, each pair of longitudinal descaling springs (6) are arranged in front and at the back, and the lower rotating shafts I (63) of each pair of longitudinal descaling springs (6) are in gear transmission.

5. The multistage descaler for all-round descaled fish according to claim 2, wherein: the longitudinal walking spring (4) comprises a walking spring (41), an upper rotating shaft II (42) and a lower rotating shaft II (43), two ends of the walking spring (41) are respectively sleeved on the upper rotating shaft II (42) and the lower rotating shaft II (43), the upper rotating shaft II (42) is connected with the cross beam (3) through a bearing, and the lower rotating shaft II (43) is connected with the supporting plate (2) through a bearing; the lower rotating shaft II (43) is connected with a transmission system; two pairs of longitudinal walking springs (4) are arranged, each pair of longitudinal walking springs (4) are arranged in front of and behind, and lower rotating shafts II (43) of each pair of longitudinal walking springs (4) are in transmission through gears.

6. The multistage descaler for all-round descaled fish according to claim 4 or 5, wherein: a cylinder (412) is arranged on the outer side of the walking spring (41), and a thorn piece (413) is arranged on the outer side of the cylinder in a surrounding mode; at least two scraping blades (54) are sleeved on spring wires (56) of the lantern spring (51), the walking spring (41) and the descaling spring (61), and spacing cylinders (55) are arranged between every two adjacent scraping blades (54).

7. The multistage descaler for all-round descaled fish according to claim 1, wherein: the belly breaking device (10) comprises a tray (101), a belly breaking saw (102) is arranged below the tray (101), and the belly breaking saw (102) is connected with a transmission system; a fish pressing plate (105) is arranged above the belly breaking saw blade (102), and a limiting spring (106) is arranged between the fish pressing plate (105) and the upper part of the tray (101).

8. The multistage descaler for all-round descaled fish according to claim 1, wherein: the transmission system (9) comprises a motor (91), an output shaft of the motor (91) is connected with a main shaft (93) through a belt (92), a bevel gear II (99) is arranged at the upper end of the main shaft (93), and the bevel gear II (99) is connected with a belly breaking saw blade (102) through a bevel gear shaft; the lower end of the main shaft (93) extends into the gearbox (94), and an output shaft of the gearbox (94) is connected with the longitudinal walking spring (4) and the longitudinal descaling spring (6); the two output shafts of the gearbox (94) are respectively a walking spring connecting shaft (941) and a descaling spring connecting shaft (942), the walking spring connecting shaft (941) is connected with a lower rotating shaft II (43) of the longitudinal walking spring (4), and the descaling spring connecting shaft (942) is connected with a lower rotating shaft I (63) of the longitudinal descaling spring (6).