CN217701150U

CN217701150U - A well cutter for fishhook production

Info

Publication number: CN217701150U
Application number: CN202221880718.0U
Authority: CN
Inventors: 蒋海燕
Original assignee: Nanchang Yulong Fishing Gear Co ltd
Current assignee: Nanchang Yulong Fishing Gear Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-01
Anticipated expiration: 2032-07-20

Abstract

A middle cutting machine for fishhook production comprises a rack and a power case, wherein a support is arranged on the rack, a power transmission assembly and a chain feeding assembly are arranged on the support, a clamping groove is formed in each outer chain piece in a transmission chain of the chain feeding assembly, and a material to be cut slides into the clamping groove from an inclined material feeding box on the right side; the bracket is sequentially provided with a front pushing assembly, a front length fixing assembly, a front cutting assembly, a rear length fixing assembly and a rear cutting assembly in a penetrating way, and power is supplied by the power transmission assembly; the bottom of the front cutting assembly is provided with a front receiving assembly, and the front fixed-length assembly penetrates through the front receiving assembly; the bottom of the rear material cutting component is provided with a waste material box, and the left side of the rear material cutting component is provided with a rear material receiving box. The utility model discloses in, through replacing the manual mode of cutting off to improve cutting efficiency, through preceding fixed length subassembly and back fixed length subassembly, make the blank length after twice cutting off unified, in order to avoid extravagant, and the power of all actions is provided by a power supply, make motion stationarity good, overall structure is compacter.

Description

A well cutter for fishhook production

Technical Field

The utility model relates to a fishhook production technical field, in particular to well cutter for fishhook production.

Background

In the production process of the fishhook, in order to facilitate sharpening of the steel needle raw material, the steel needle raw material needs to be reserved with enough length. After the two ends of the steel needle raw material are sharpened, the steel needle raw material is cut off from the middle. The existing cutting mode generally adopts a manual mode to cut, and on one hand, the cutting mode has low cutting efficiency, and on the other hand, the lengths of the materials after cutting are not uniform, so that the waste of raw materials is easily caused.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a well cutter for fishhook production through replacing the manual mode of cutting off to improve cutting efficiency, make simultaneously to cut off back blank length unified, in order to avoid extravagant.

A middle cutting machine for fishhook production comprises a rack and a power case arranged in the rack, wherein a support is arranged on the rack, a power transmission assembly is arranged behind the support, a chain feeding assembly is arranged in front of the support, a clamping groove is formed in each outer chain piece in a transmission chain of the chain feeding assembly, and a material to be cut slides into the clamping groove from an inclined material feeding box on the right side;

the bracket is sequentially provided with a front pushing assembly, a front length fixing assembly, a front cutting assembly, a rear length fixing assembly and a rear cutting assembly in a penetrating manner, and power is supplied by the power transmission assembly;

the bottom of the front material cutting component is provided with a front material receiving component connected with the power transmission component, the front material receiving component is used for adsorbing the cut materials after the first cutting, and the front length fixing component is arranged in the front material receiving component in a penetrating mode;

the bottom of back blank subassembly is equipped with waste material box, and the left side is equipped with back material receiving box, back material receiving box is with the blank after the second time cuts off progressively follow ejecting in the draw-in groove.

Compared with the prior art, the utility model discloses in, through replacing the manual mode of cutting off to improve and cut off efficiency, through preceding fixed length subassembly and back fixed length subassembly, make blank length after twice cutting off unified, in order to avoid extravagant, and the power of all actions is provided by a power supply, makes the motion stationarity good, overall structure is compacter.

Furthermore, the power transmission assembly comprises a synchronous wheel connected with the power chassis through a synchronous belt, and a first surface cam, a first gear and an intermittent cam mechanism which are coaxially and sequentially arranged with the synchronous wheel;

the first surface cam drives the front fixed-length component to perform front-back intermittent action;

the first gear is meshed with a front cutting gear through a first transition gear, the front cutting gear is meshed with a rear cutting gear through a second transition gear, the rear cutting gear drives the rear cutting assembly to act, and the front cutting gear drives the front cutting assembly to act; the front cutting gear is coaxially provided with a second face cam, and the second face cam drives the front pushing assembly to perform front and back intermittent actions; the rear cutting gear is coaxially provided with a third cam, and the third cam drives the rear fixed-length component to perform front and rear intermittent actions;

the intermittent cam mechanism drives the front material receiving assembly to rotate intermittently, a second gear is coaxially arranged at the other end of the front material receiving assembly, the second gear is meshed with a third gear through a third transition gear, and the third gear drives the chain feeding assembly to perform intermittent feeding.

Further, the front fixed-length assembly comprises a fixed-length rod penetrating through the front material receiving assembly;

the front end of the fixed-length rod is connected with a fixed-length adjusting push column through a first connecting block, and the position of the fixed-length adjusting push column corresponds to the position of a steel needle to be cut;

the rear end of length fixing pole is equipped with the second connecting block, the second connecting block is equipped with the position sleeve, be equipped with the spliced pole in the position sleeve, the one end of spliced pole with be equipped with the fixed length spring between the position sleeve, the other end passes second connecting block, and tip be equipped with the fixed length bearing that first face cam contact is connected.

Further, the front cutting assembly comprises a front cutting shaft for mounting the front cutting gear, an eccentric shaft arranged at the front end of the front cutting shaft, and a rotating disc arranged at the end part of the eccentric shaft;

the cutting device also comprises a sliding rail arranged on the bracket, a sliding block arranged in the sliding rail and a cutter arranged on the sliding block;

the back of slider with the rolling disc is connected, the top through preceding cut the post with the top of slide rail is connected, cut the post on the cover before being equipped with and cut the spring before.

Furthermore, the front pushing assembly comprises a pushing support and a pushing spring, wherein the pushing support and the pushing spring are sleeved on the front cutting shaft, and the pushing spring is positioned between the pushing support and the sliding rail;

a pushing rod penetrates through the other end of the pushing support, and a pushing block is arranged at one end, close to the cutter, of the pushing rod;

the side surface of the material pushing support, which faces the second face cam, is provided with a material pushing bearing, and the material pushing bearing is in contact connection with the second face cam.

Furthermore, the structure of the rear material cutting assembly is the same as that of the front material cutting assembly, and the structure of the rear fixed-length assembly is the same as that of the front material pushing assembly.

Furthermore, the front material receiving assembly comprises a hollow shaft, a material receiving disc arranged on the hollow shaft, and a discharging clamping finger which is arranged on the support and extends upwards to the bottom of the material receiving disc;

the fixed long rod penetrates through the hollow shaft, and an index plate of the intermittent cam mechanism is arranged on the hollow shaft;

the edge of the material receiving disc is provided with a plurality of material receiving bayonets, each material receiving bayonet is internally provided with a magnet, and the cut material after the first cutting is adsorbed into the material receiving bayonet.

Furthermore, the unloading clamping finger comprises an installation part and two finger sheets, wherein the installation part is positioned on the support, the two finger sheets are symmetrically arranged and extend upwards in an inclined manner, and the two finger sheets are respectively positioned on two end faces of the material receiving disc.

Furthermore, an L-shaped material pressing rod is arranged at the top of the sliding block, an extrusion part is arranged at the tail end of the L-shaped material pressing rod, and the extrusion part extends into the inclined material feeding box.

Furthermore, one end, close to the rear material cutting assembly, of the bottom plate of the rear material receiving box forms an inclined plate in a downward extending mode, an opening is formed in the inclined plate, and the opening is clamped on two sides of the transmission chain.

Drawings

FIG. 1 is a schematic structural view of a middle cutting machine for fishhook production according to the present invention;

FIG. 2 is a schematic structural view of the power transmission assembly of FIG. 1;

FIG. 3 is an assembly structure diagram of the power transmission assembly, the front pushing assembly, the front length-fixing assembly and the front receiving assembly in FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

fig. 5 is an assembly structure view of the front length fixing component and the front material receiving component in fig. 3;

FIG. 6 is an assembled block diagram of the power transmission assembly and the front blanking assembly of FIG. 1;

FIG. 7 is an exploded view of the front blanking assembly of FIG. 6;

FIG. 8 is a schematic structural view of the discharging finger in FIG. 1;

FIG. 9 is a schematic structural view of the L-shaped swaging rod of FIG. 1;

FIG. 10 is a schematic view of the structure of the bottom plate of the rear material receiving box in FIG. 1.

Description of the main element symbols:

a frame 10; a power chassis 11; a support 12; a power transmission assembly 13; a synchronizing wheel 131; a first face cam 132; a first gear 133; an intermittent cam mechanism 134; a second gear 1341; a third transition gear 1342; a third gear 1343; a first transition gear 135; a front cutting gear 136; a second transition gear 137; a rear cutting gear 138; the second-face cam 139; a third facet cam 1391; a chain feed assembly 14; a drive chain 141; a drive sprocket 142; a driven sprocket 143; tilting the loading magazine 15; a forward pusher assembly 16; a pusher holder 161; a pusher spring 162; a pusher bar 163; a push block 164; a pusher bearing 165;

a front sizing assembly 17; a fixed length bar 171; a first connection block 172; a fixed length adjustment push post 173; a second connection block 174; a positioning sleeve 175; a fixed length bearing 176; a front blanking assembly 18; a front cutter shaft 181; an eccentric shaft 182; a rotating disk 183; a slide rail 184; a slider 185; a cutter 186; a front cutting post 187; a front cut spring 188;

a rear fixed-length component 19; a rear blanking assembly 20; a front receiving assembly 21; a hollow shaft 211; a receiving disc 212; a material receiving bayonet 2121; a discharge finger 213; a mounting portion 2131; finger tabs 2132; a waste material box 22; a rear material receiving box 23; the inclined plate 231; an opening 232; an L-shaped swage bar 24; the pressing portion 241.

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, an embodiment of the present invention provides a middle cutting machine for fishhook production, including a frame 10 and a power chassis 11 disposed in the frame 10, wherein the frame 10 is provided with a support 12, a power transmission assembly 13 is disposed behind the support 12, a chain feeding assembly 14 is disposed in front of the support 12, each outer chain of a transmission chain 141 of the chain feeding assembly 14 is provided with a slot, and a material to be cut slides into the slot from an inclined material feeding box 15 on the right side;

a front pushing component 16, a front length fixing component 17, a front cutting component 18, a rear length fixing component 19 and a rear cutting component 20 are sequentially arranged on the bracket 12 in a penetrating manner, and power is supplied by the power transmission component 13;

the bottom of the front material cutting component 18 is provided with a front material receiving component 21 connected with the power transmission component 13, the front material receiving component 21 is used for adsorbing the cut materials after the first cutting, and the front length fixing component 17 penetrates through the front material receiving component 21;

the bottom of the rear material cutting component 20 is provided with a waste material box 22, the left side of the rear material cutting component is provided with a rear material receiving box 23, and the rear material receiving box 23 is used for gradually ejecting the cut materials which are cut for the second time out of the clamping groove.

It should be noted that, the utility model discloses in, install the motor in the engine case 11, the motor passes through the drive belt and is connected with power transmission assembly 13, and power transmission assembly 13 distributes the motion to each action subassembly in to drive each action subassembly and carry out work.

Specifically, in the processing process, the materials to be cut with the two sharpened ends are piled in the inclined feeding box 15, and the materials to be cut can slide into the clamping grooves one by one under the action of vibration due to the fact that the middle cutting machine can generate certain vibration in the working process;

under the action of the power transmission component 13, the chain feeding component 14 transmits to convey the materials to be cut forward in sequence, and when the materials to be cut are positioned at a forward material pushing station, the forward material pushing component 16 pushes the materials to be cut forward to enable the end parts of the materials to be cut to be exposed out of the front end surface of the forward material receiving component 21 so as to perform forward length fixing action;

when the material to be cut is at the front fixed length station, the front fixed length assembly 17 pushes the material to be cut backward so that the material to be cut is exposed out of the front end face of the front material receiving assembly 21 by a preset length, at the moment, the material to be cut is just at the position of the front material cutting process, the front material cutting assembly 18 cuts the material to be cut for the first time, the material to be cut for the first time is adsorbed into the front material receiving assembly 21, the other part of the material to be cut is still in the clamping groove, and the material to be cut is conveyed forward along with the chain feeding assembly 14;

when the other part of the materials to be cut is located at the rear length-fixing station, the rear length-fixing component 19 pushes the materials to be cut forward to perform rear length-fixing action, at the moment, the materials to be cut are just located at the rear material-cutting working position, the rear material-cutting component 20 cuts the materials to be cut for the second time, the waste materials cut for the second time fall into the waste material box 22, the cut materials cut for the second time are still located in the clamping grooves, and are conveyed forward along with the chain feeding component 14 until the rear material-receiving box 23 gradually ejects the cut materials cut for the second time out of the clamping grooves.

Referring to fig. 1, the chain feeding assembly 14 includes a driving chain 141, a driving sprocket 142 connected to the power transmission assembly 13, and at least two driven sprockets 143.

In this embodiment, two driven sprockets 143 are included. It will be appreciated that in other embodiments, the number of the driven sprockets 143 can be set according to actual needs. In this embodiment, the centers of the rotating shafts of the driving sprocket 142 and the two driven sprockets 143 form a triangle, so that the driving sprocket 142 can be tensioned, and a sufficient space is left in the loop of the driving chain 141 to facilitate the installation of the front length fixing assembly 17 and the front material receiving assembly 21.

Referring to fig. 1 to 4, the power transmission assembly 13 includes a synchronizing wheel 131 connected to the power chassis 11 through a timing belt, and a first face cam 132, a first gear 133 and an intermittent cam mechanism 134 coaxially and sequentially disposed with the synchronizing wheel 131;

the first surface cam 132 drives the front fixed-length component 17 to perform front-back intermittent motion;

the first gear 133 is meshed with a front cutting gear 136 through a first transition gear 135, the front cutting gear 136 is meshed with a rear cutting gear 138 through a second transition gear 137, the rear cutting gear 138 drives the rear cutting assembly 20 to move, and the front cutting gear 136 drives the front cutting assembly 18 to move; the front cutting gear 136 is coaxially provided with a second face cam 139, and the second face cam 139 drives the front pushing assembly 16 to perform front-back intermittent motion; the rear cutting gear 138 is coaxially provided with a third cam 1391, and the third cam 1391 drives the rear fixed-length component 19 to perform front-rear intermittent action;

the intermittent cam mechanism 134 drives the front material receiving assembly 21 to rotate intermittently, a second gear 1341 is coaxially arranged at the other end of the front material receiving assembly, the second gear 1341 is meshed with a third gear 1343 through a third transition gear 1342, and the third gear 1343 drives the chain feeding assembly 14 to feed intermittently.

It should be noted that, the utility model discloses in, the power of all actions is provided by a power supply, the rethread power transmission assembly 13 distributes power to each subassembly in for the motion stationarity is good, and overall structure is compacter.

Referring to fig. 1, fig. 3 to fig. 5, the front length fixing assembly 17 includes a length fixing rod 171 penetrating through the front material receiving assembly 21;

the front end of the fixed-length rod 171 is connected with a fixed-length adjusting push post 173 through a first connecting block 172, and the position of the fixed-length adjusting push post 173 corresponds to the position of a steel needle to be cut;

the rear end of the fixed-length rod 171 is provided with a second connecting block 174, the second connecting block 174 is provided with a positioning sleeve 175, a connecting column is arranged in the positioning sleeve 175, a fixed-length spring is arranged between one end of the connecting column and the positioning sleeve 175, and the other end of the connecting column penetrates through the second connecting block 174 and the end part of the connecting column is provided with a fixed-length bearing 176 in contact connection with the first cam 132.

It should be noted that, in the present invention, the position of the fixed-length adjusting pushing pillar 173 can be adjusted so as to cut the blanks with different lengths. Under the action of the first face cam 132, when the fixed-length bearing 176 moves from the concave surface to the convex surface of the first face cam 132, the fixed-length rod 171 is gradually pushed forward; when the restoring force of the fixed length spring acts, the fixed length bearing 176 moves from the convex surface to the concave surface of the first cam 132, the fixed length rod 171 is gradually pulled backwards, and the fixed length adjusting push post 173 pushes the material to be cut backwards to the front cutting process position.

Referring to fig. 1, 6 and 7, the front cutting assembly 18 includes a front cutting shaft 181 for mounting the front cutting gear 136, an eccentric shaft 182 disposed at a front end of the front cutting shaft 181, and a rotating disc 183 disposed at an end of the eccentric shaft 182;

the cutting device further comprises a sliding rail 184 arranged on the bracket 12, a sliding block 185 arranged in the sliding rail 184, and a cutter 186 arranged on the sliding block 185;

the back of the sliding block 185 is connected with the rotating disc 183, the top of the sliding block is connected with the top of the sliding rail 184 through a front cutting column 187, and a front cutting spring 188 is sleeved on the front cutting column 187.

It should be noted that, in the present invention, when the gravity center of the eccentric shaft 182 rotates to the lowest position, the forward cutting action just occurs, and then the slider 185 drives the cutter 186 to lift upward under the restoring force of the forward cutting spring 188.

Further, in a preferred embodiment of the present invention, an adjusting block is disposed between the sliding rail 184 and the sliding block 185, and the adjusting block is used for adjusting a gap between the sliding rail 184 and the sliding block 185, so as to avoid a large gap between the sliding rail and the sliding block in a wear state.

Referring to fig. 1, fig. 6 and fig. 7, the front pushing assembly 16 includes a pushing support 161 and a pushing spring 162 sleeved on the front cutting shaft 187, and the pushing spring 162 is located between the pushing support 161 and the sliding rail 184;

a pushing rod 163 penetrates through the other end of the pushing support 161, and a pushing block 164 is arranged at one end, close to the cutter 186, of the pushing rod 163;

the side surface of the material pushing support 161 facing the second surface cam 139 is provided with a material pushing bearing 165, and the material pushing bearing 165 is in contact connection with the second surface cam 139.

It should be noted that, in the present invention, under the action force of the second face cam 139, when the pushing bearing 165 moves from the concave surface to the convex surface of the second face cam 139, the pushing rod 163 is gradually pushed forward, so that the end portion to be cut is exposed out of the front end surface of the front receiving assembly 21; under the action of the restoring force of the pushing spring 162, when the pushing bearing 165 moves from the convex surface to the concave surface of the second cam 139, the pushing rod 163 is gradually pulled backward, so as to avoid interference.

Referring to fig. 2, in a preferred embodiment of the present invention, the structure of the rear cutting assembly 20 is the same as that of the front cutting assembly 18, and the structure of the rear fixing assembly 19 is the same as that of the front pushing assembly 16.

Referring to fig. 1, fig. 3 to fig. 5, the front receiving assembly 21 includes a hollow shaft 211, a receiving disc 212 disposed on the hollow shaft 211, and a discharging finger 213 mounted on the bracket 12 and extending upward to the bottom of the receiving disc 212;

the fixed length rod 171 is arranged in the hollow shaft 211 in a penetrating way, and the dividing disc of the intermittent cam mechanism 14 is arranged on the hollow shaft 211;

the edge of the material receiving disc 212 is provided with a plurality of material receiving bayonets 2121, each material receiving bayonet 2121 is provided with a magnet, and the cut material after the first cutting is absorbed into the material receiving bayonet 2121.

Specifically, in the utility model discloses in, the structure of draw-in groove with connect material bayonet 2121's structure the same. The number of the material receiving bayonets 2121 is the same as that of the notches of the dividing plate of the intermittent cam mechanism 14, and the material receiving bayonets are 6 and are matched with the eccentric structure in the front material cutting assembly 18 and the transmission ratio in the power transmission assembly 13, so that the front length fixing action and the front material cutting action are synchronous, namely, the front material cutting action can be just carried out after the front length fixing action is finished.

Referring to fig. 1 and 8, in a preferred embodiment of the present invention, the discharging finger 213 includes a mounting portion 2131 located on the bracket 12, and two finger pieces 2132 symmetrically arranged and extending upward in an inclined manner, where the two finger pieces 2132 are respectively located on two end surfaces of the receiving disc 212.

It should be noted that, in the present invention, when the material receiving bayonet 2121 rotates to two between the finger pieces 2132, two of the finger pieces 2132 are located at the bottom of the material receiving bayonet 2121, and when the material receiving bayonet 2121 continues to rotate, two of the finger pieces 2132 eject the cut material after the first cutting out from the material receiving bayonet 2121.

Referring to fig. 1 and 9, in another preferred embodiment of the present invention, an L-shaped material pressing rod 24 is disposed on the top of the sliding block 185, and an extruding portion 241 is disposed at the end of the L-shaped material pressing rod 24, and the extruding portion 241 extends into the inclined material feeding box 15 to press the stacked material to be cut, so that the material is fed more smoothly.

Referring to fig. 1 and 10, in a preferred embodiment of the present invention, one end of the bottom plate of the rear material receiving box 23 close to the rear material cutting assembly 20 is a downward extending inclined plate 231, an opening 232 is formed in the inclined plate 231, and the opening 232 is clamped at two sides of the transmission chain 141, so as to raise the cut material after the second cutting step by step, i.e. the cut material after the second cutting is gradually ejected from the clamping groove.

To sum up, the utility model discloses in, through replacing the manual mode of cutting off to improve and cut off efficiency, through preceding fixed length subassembly 17 and back fixed length subassembly 19, make blank length after twice cutting off unified, in order to avoid extravagant, and the power of all actions is provided by a power supply, make the motion stationarity good, overall structure is compacter.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a well cutter for fishhook production, includes the frame, and locates power machine case in the frame, its characterized in that: the rack is provided with a bracket, the rear part of the bracket is provided with a power transmission assembly, the front part of the bracket is provided with a chain feeding assembly, each outer chain sheet in a transmission chain of the chain feeding assembly is provided with a clamping groove, and a material to be cut slides into the clamping groove from an inclined material feeding box on the right side;

the bottom of the front material cutting assembly is provided with a front material receiving assembly connected with the power transmission assembly, the front material receiving assembly is used for adsorbing cut materials after the first cutting, and the front length fixing assembly penetrates through the front material receiving assembly;

the bottom of the rear material cutting assembly is provided with a waste material box, the left side of the rear material cutting assembly is provided with a rear material receiving box, and the rear material receiving box is used for gradually ejecting the cut materials cut off for the second time out of the clamping groove.

2. The middle cutting machine for fishhook production as claimed in claim 1, wherein the power transmission assembly comprises a synchronizing wheel connected with the power chassis through a synchronizing belt, a first face cam, a first gear and an intermittent cam mechanism coaxially and sequentially arranged with the synchronizing wheel;

the first gear is meshed with a front cutting gear through a first transition gear, the front cutting gear is meshed with a rear cutting gear through a second transition gear, the rear cutting gear drives the rear cutting assembly to act, and the front cutting gear drives the front cutting assembly to act; the front cutting gear is coaxially provided with a second face cam, and the second face cam drives the front pushing assembly to perform front and back intermittent actions; the rear cutting gear is coaxially provided with a third cam, and the third cam drives the rear fixed-length component to perform front-rear intermittent action;

3. The middle cutting machine for fish hook production as claimed in claim 2, wherein the front length fixing component includes a length fixing rod inserted into the front material receiving component;

4. The middle cutting machine for fish hook production as claimed in claim 2, wherein the front cutting assembly comprises a front cutting shaft for mounting the front cutting gear, an eccentric shaft provided at a front end of the front cutting shaft, and a rotating disc provided at an end of the eccentric shaft;

the cutting knife device comprises a bracket, a sliding rail, a sliding block and a cutting knife, wherein the bracket is arranged on the bracket;

5. The middle cutting machine for fishhook production as claimed in claim 4, wherein the front pushing assembly comprises a pushing support and a pushing spring sleeved on the front cutting shaft, and the pushing spring is located between the pushing support and the slide rail;

6. The middle cutting machine for fishhook production as claimed in claim 5, wherein the rear blanking assembly has the same structure as the front blanking assembly, and the rear fixed length assembly has the same structure as the front pushing assembly.

7. The slitting machine as claimed in claim 3 wherein the front receiving assembly includes a hollow shaft, a receiving disc on the hollow shaft, and a discharge finger mounted on the support and extending up to the bottom of the receiving disc;

8. The middle cutting machine for fishhook production as claimed in claim 7, wherein the unloading clamping fingers comprise mounting portions on the support and two finger pieces which are symmetrically arranged and extend obliquely upwards, and the two finger pieces are respectively located on two end faces of the material receiving disc.

9. The middle cutting machine for fish hook production as claimed in claim 4, wherein the top of the sliding block is provided with an L-shaped material pressing rod, the end of the L-shaped material pressing rod is provided with an extrusion part, and the extrusion part extends into the inclined material feeding box.

10. The middle cutting machine for fish hook production as claimed in claim 1, wherein the bottom plate of the rear material receiving box is extended downward to form an inclined plate near the rear material cutting assembly, and the inclined plate is provided with an opening therein, and the opening is clamped at two sides of the transmission chain.