Gabion box production equipment

Abstract

The invention belongs to the technical field of gabion net production, and particularly relates to gabion net production equipment which comprises a rack, a feeding guide device arranged on the upper portion of the rack, a fixed-length conveying device and a cutting marking device. The fixed-length conveying device comprises a driving part, two conveying rollers which are arranged up and down and rotate relatively, and a transmission mechanism located outside the side wall of the rack. The driving piece is coaxially connected with any conveying roller, and the conveying roller located on the upper portion is connected with the transmission mechanism; the two conveying rollers are used for conveying a mesh to the cutting and marking device so that the cutting and marking device can cut and mark the mesh at a fixed frequency; the cutting and marking device comprises a power transmission mechanism, a cutting mechanism and a marking mechanism, the power transmission mechanism is connected with the other end of the pawl, and swinging of the pawl is converted into vertical movement of a cutter of the cutting mechanism and a marking punch of the marking mechanism, so that the mesh is cut and marked.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of gabion net production, and particularly relates to a gabion net production equipment. BACKGROUND

[0002] The gabion net is widely used in the civil engineering field such as water conservancy projects, roadbed protection, and slope stability, and its production mainly relies on a special weaving machine to weave galvanized steel wires into hexagonal double-twisted mesh, and then cut and assemble the mesh into a mesh box.

[0003] In the actual production process, cutting and marking are divided into two stations, and the staff needs to first draw a line on the cutting station, manually cut or use a machine to automatically cut, then find the binding point on the mesh node by referring to the drawing and mark it with a paint pen, and after the cutting and turning edge are completed, the marked point is found to assemble the mesh box. Since manual marking is adopted, on the one hand, the labor intensity is large, and on the other hand, the error range is relatively large, which leads to the gaps and skew of the subsequent mesh box assembly, the mesh box is not square, and the structural strength and protection effect of the gabion net are affected. SUMMARY

[0004] The present application aims to provide a gabion net production equipment to solve the technical problems raised in the background.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present application is as follows: A gabion net production equipment, comprising: a rack, and a feeding guide device, a fixed-length conveying device, and a cutting and marking device arranged in sequence on the upper part of the rack in the conveying direction of the gabion net mesh. The fixed-length conveying device comprises a driving member, two conveying rollers arranged in an upper and lower manner and relatively rotating, and a transmission mechanism located outside the side wall of the rack; the driving member is coaxially connected with any one of the conveying rollers, and the upper conveying roller is connected with the transmission mechanism; the two conveying rollers are used to convey the mesh to the direction of the cutting and marking device so that the cutting and marking device cuts and marks the mesh at a fixed frequency; The transmission mechanism comprises a ratchet wheel and a pawl; the ratchet wheel is connected with the upper conveying roller and rotates with the conveying roller; one end of the pawl is matched with the ratchet wheel, the middle part is provided with a rotating rod which is rotationally connected with the rack, and the other end is connected with the cutting and marking device; The cutting and marking device comprises a power transmission mechanism, a cutting mechanism, and a marking mechanism; the power transmission mechanism is connected with the other end of the pawl, and converts the swing of the pawl into the up-down movement of the cutting knife of the cutting mechanism and the marking punch of the marking mechanism, so as to cut and mark the mesh.

[0006] As a further improvement of the present application, the power transmission mechanism comprises a rack, a gear and a driving shaft; the rack horizontally extends, with its ends hinged to the other ends of the pawls, and its middle part slidingly arranged inside a fixed frame connected to the side wall of the frame, the pawls, the rack and the fixed frame constituting a crank slider mechanism. The upper part of the rack is provided with the gear, and the gear is engaged with the rack, the middle part of the gear is connected to the driving shaft through a one-way bearing, and the driving shaft is connected to the cutting mechanism and the marking mechanism through the side wall of the frame.

[0007] As a further improvement of the present application, the cutting mechanism comprises a cam one, a connecting rod one, a supporting spring one and a cutting knife; the cam one is connected to the driving shaft, with its lower part in contact with the upper end of the connecting rod one, and the bottom of the connecting rod one is provided with the cutting knife; and the middle part of the connecting rod one is slidingly arranged inside a guide sleeve one connected to the side wall of the frame, and the lower part of the connecting rod one is provided with a shaft shoulder one, and the shaft shoulder one is connected to the inner bottom of the frame through the supporting spring one.

[0008] As a further improvement of the present application, the marking mechanism comprises a cam two, a connecting rod two, a supporting spring two and a marking punch; the cam two is connected to the driving shaft, with its lower part on one side in contact with the upper end of the connecting rod two, and the bottom of the connecting rod two is provided with the marking punch; and the middle part of the connecting rod two is slidingly arranged inside a guide sleeve two connected to the side wall of the frame, and the lower part of the connecting rod two is provided with a shaft shoulder two, and the shaft shoulder two is connected to the inner bottom of the frame through the supporting spring two.

[0009] As a further improvement of the present application, the bottom of the marking punch is in a "V" shape.

[0010] As a further improvement of the present application, the top of the connecting rod one and the connecting rod two is respectively provided with a roller one and a roller two; the roller one is in contact with the lower part of the cam one, and the roller two is in contact with the lower part on one side of the cam two.

[0011] As a further improvement of the present application, the shape and size of the cam one and the cam two are the same, and the phase difference is 180°.

[0012] As a further improvement of the present application, the feeding guide device comprises a rotary motor and two guide rollers arranged in an up-down manner and relatively rotating; the axis of the guide rollers is perpendicular to the conveying direction of the mesh, and the roller shafts of the two guide rollers are both rotationally connected to the frame; any of the guide rollers is coaxially connected to the rotary motor.

[0013] As a further improvement of the present application, a sliding groove is arranged on the side wall of the rack, and a mounting plate is arranged at a position corresponding to the sliding groove on the top; A sliding block is arranged on the roller shaft of the upper guide roller, and the sliding block is arranged in the sliding groove in an up-down sliding mode; and a tension spring is connected between the top of the sliding block and the mounting plate.

[0014] As a further improvement of the present application, the conveying roller, the transmission mechanism and the cutting and marking device are symmetrically arranged on both sides of the rack; The cutting knives of the cutting mechanisms on both sides are connected.

[0015] The beneficial effects produced by the above technical solution are as follows: The feeding guide device is arranged to convey the mesh into the fixed-length conveying device, the transmission mechanism is arranged in the fixed-length conveying device and combined with the cutting and marking device, so that the cutting and marking device cuts and marks the mesh at a fixed frequency, thereby achieving continuous and automatic operation of fixed-length cutting and binding point marking of the mesh, saving manpower and effectively reducing manual errors.

[0016] The present application uses the conveying roller and the ratchet-pawl mechanism to perform precise stroke counting and triggering, and ignores the influence of the execution structure of the cutting and marking device. The cutting and marking length of the mesh is related to the circumference l of the conveying roller and the number n of teeth of the ratchet, and the specific length = 2*l / n. In actual production, different toothed ratchets are replaced by controlling the variable method to change the cutting or marking length or position. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application; Figure 2 It is a schematic diagram of the structure of the transmission mechanism and the power transmission mechanism of the present application; Figure 3 It is a schematic diagram of the structure of the cutting mechanism and the marking mechanism of the present application; Marking explanation in the figure: 1 rack, 1-1 sliding groove, 1-2 mounting plate, 1-3 supporting leg 2 feeding guide device, 2-1 rotating motor, 2-2 guide roller, 2-3 sliding block, 2-4 tension spring, 3 fixed-length conveying device, 3-1 driving piece, 3-2 conveying roller, 3-3 ratchet, 3-4 pawl, 3-5 rotating rod, 3-6 transmission gear, 4. Cutting and marking device; 4-1 Power transmission mechanism; 4-11 Rack; 4-12 Gear; 4-13 Drive shaft; 4-14 Fixing frame; 4-2 Cutting mechanism; 4-21 Cutting shears; 4-22 Cam 1; 4-23 Connecting rod 1; 4-24 Support spring 1; 4-25 Guide sleeve 1; 4-26 Shoulder 1; 4-27 Roller 1; 4-3 Marking mechanism; 4-31 Marking punch; 4-32 Cam 2; 4-33 Connecting rod 2; 4-34 Support spring 2; 4-35 Guide sleeve 2; 4-36 Shoulder 2; 4-37 Roller 2. Detailed Implementation

[0018] To better understand the purpose, structure, and function of this invention, the invention will be clearly and completely described below with reference to the accompanying drawings.

[0019] As shown in Figure 1 - Figure 3 The gabion mesh production equipment shown includes: a frame 1, and a feeding guide device 2, a fixed-length conveying device 3, and a cutting and marking device 4 arranged sequentially on the upper part of the frame 1 along the conveying direction of the gabion mesh; wherein, the bottom of the frame 1 is provided with support legs 1-3 for supporting the entire equipment.

[0020] The feeding guide device 2 is located on the upper left side of the frame 1, i.e., the feed end of the frame 1, and is used to flatten the mesh and guide it into the fixed-length conveying device 3. It includes a rotary motor 2-1 and two guide rollers 2-2 arranged vertically and rotating relative to each other; the axis of the guide rollers 2-2 is perpendicular to the conveying direction of the mesh, and the roller shafts of the two guide rollers 2-2 are rotatably connected to the frame 1 through bearings; the rotary motor 2-1 is coaxially connected to either guide roller 2-2 through a coupling. In this embodiment, the rotary motor 2-1 is coaxially connected to the lower guide roller 2-2 to provide power to it.

[0021] To ensure the pressing and effective conveying of mesh sheets of different thicknesses, a slider 2-3 is installed on the roller shaft of the upper guide roller 2-2. A vertical groove 1-1 is opened on the side wall of the frame 1, and the slider 2-3 is slidably installed inside the groove 1-1. A mounting plate 1-2 is fixed at the top of the frame 1 at a position corresponding to the groove 1-1. A tension spring 2-4 is connected between the top of the slider 2-3 and the mounting plate 1-2. Under the tension spring 2-4 and gravity, the upper guide roller 2-2 always has a downward tendency, thus adaptively pressing the mesh sheet and ensuring smooth feeding. When there is no mesh sheet, the bottom of the slider 2-3 contacts the inner bottom of the groove 1-1, and the tension of the tension spring 2-4 is equal to the weight of the guide roller 2-2 and the slider 2-3. When the mesh sheet enters, due to the thickness of the mesh sheet, the tension spring is compressed relative to its original state, and has a downward elastic restoring force, pressing the mesh sheet. The rotating motor 2-1 works to convey the mesh sheet.

[0022] The constant-length conveying device 3 comprises a driving member 3-1, two conveying rollers 3-2 arranged in upper and lower positions and capable of relative rotation, and a transmission mechanism located outside the side wall of the frame 1; the axis of the conveying rollers 3-2 is perpendicular to the conveying direction of the mesh, and the roller shafts of the two conveying rollers 3-2 are both rotationally connected with the frame 1 through bearings; the driving member 3-1 is coaxially connected with any one of the conveying rollers 3-2 through a shaft coupling and provides continuous rotation power for the conveying roller. In the embodiment, the driving member 3-1 is a servo motor; the two conveying rollers 3-2 are driven through a pair of meshed transmission gears 3-6.

[0023] The upper conveying roller 3-2 is connected with the transmission mechanism; the two conveying rollers 3-2 are used to convey the mesh to the direction of the cutting and marking device 4 so that the cutting and marking device 4 cuts and marks the mesh at a fixed frequency; The transmission mechanism comprises a ratchet wheel 3-3, a pawl 3-4 and a rotating rod 3-5. The ratchet wheel 3-3 is connected with the upper conveying roller 3-2 through a key connection or meshed transmission gears 3-6 and rotates with the conveying roller 3-2. One end (working end) of the pawl 3-4 is matched with the teeth of the ratchet wheel 3-3, and the middle part thereof is rotationally connected with a bearing seat on the side wall of the frame 1 through the rotating rod 3-5, so that the pawl 3-4 can swing relative to the frame 1; the other end (power output end) of the pawl 3-4 is connected with the cutting and marking device 4.

[0024] The driving member 3-1 drives the continuous rotation of the conveying roller 3-2, thereby conveying the mesh. At the same time, the upper conveying roller 3-2 drives the rotation of the ratchet wheel 3-3. When the ratchet wheel 3-3 rotates, the teeth thereof will push the working end of the pawl 3-4, so that the pawl 3-4 swings. That is, the ratchet wheel 3-3 rotates one tooth, and the pawl 3-4 swings once, thereby driving the cutting and marking device 4 to move up and down once and triggering the cutting or marking operation once. In the embodiment, the cutting and marking are alternately performed, and the cutting and marking length of the mesh is related to the circumference l of the conveying roller 3-2 and the number n of the teeth of the ratchet wheel 3-3, and the specific length = 2*l / n. By replacing the ratchet wheel 3-3 with different number n of teeth and matching with the circumference l of the conveying roller 3-2, the length of the mesh for each cutting or marking can be accurately controlled.

[0025] The cutting and marking device 4 comprises a power transmission mechanism 4-1, a cutting mechanism 4-2 and a marking mechanism 4-3; the power transmission mechanism 4-1 is connected with the other end of the pawl 3-4, converts the swing of the pawl 3-4 into the up-and-down movement of the cutting knife 4-21 of the cutting mechanism 4-2 and the marking punch 4-31 of the marking mechanism 4-3, thereby cutting and marking the mesh.

[0026] The power transmission mechanism 4-1 includes a rack 4-11, a gear 4-12 and a drive shaft 4-13; the rack 4-11 extends horizontally, one end of which is hinged to the power output end of the pawl 3-4 through a pin shaft; the middle part of the rack 4-11 is slidably arranged inside the fixed frame 4-14, which is fixedly connected to the side wall of the rack 1. In this way, the pawl 3-4, the rack 4-11 and the fixed frame 4-14 jointly constitute a crank slider 2-3 mechanism, which converts the swing of the pawl 3-4 into the horizontal reciprocating motion of the rack 4-11; the upper part of the rack 4-11 is provided with the gear 4-12 engaged therewith, the middle part of the gear 4-12 is connected with the drive shaft 4-13 through a one-way bearing (such as a overrunning clutch), and the drive shaft 4-13 penetrates through the side wall of the rack 1 to transmit power to the cutting mechanism 4-2 and the marking mechanism 4-3 inside.

[0027] The cutting mechanism 4-2 includes a cam 4-22, a connecting rod 4-23, a supporting spring 4-24 and a cutting knife 4-21; the cam 4-22 is connected with the drive shaft 4-13, the lower part of which is in contact with the upper end of the connecting rod 4-23, and the bottom of the connecting rod 4-23 is provided with the cutting knife 4-21. The middle part of the connecting rod 4-23 is slidably arranged inside the guide sleeve 4-25, which is connected with the side wall of the rack 1. Moreover, the top of the connecting rod 4-23 is provided with a roller 4-27, which is in contact with the lower profile of the cam 4-22 to reduce friction and wear. The lower part of the connecting rod 4-23 is provided with a shaft shoulder 4-26, which is connected with the inner bottom of the rack 1 through the supporting spring 4-24.

[0028] When the base circle part of the cam 4-22 is in contact with the roller 4-27, the supporting spring 4-24 is compressed, and its elastic restoring force (pre-tightening force) is greater than the gravity of the cutting mechanism 4-2, preventing the cutting knife 4-21 from cutting in the air with the inner bottom of the rack 1, and making the roller 4-27 always closely adhere to the cam 4-22; when the top-up part of the cam 4-22 is in contact with the roller 4-27, the gravity of the cutting mechanism 4-2 and the pressure of the cam 4-22 are greater than the pre-tightening force of the supporting spring 4-24, the cutting knife 4-21 moves downward, and a cutting is completed. The cam 4-22 continues to rotate, and under the resetting action of the supporting spring 4-24, the connecting rod 4-23 drives the cutting knife 4-21 to lift up.

[0029] The marking mechanism 4-3 includes cam two 4-32, connecting rod two 4-33, support spring two 4-34 and marking punch 4-31; the cam two 4-32 is connected with the driving shaft 4-13, the lower side thereof is in contact with the upper end side of the connecting rod two 4-33, the bottom of the connecting rod two 4-33 is provided with the marking punch 4-31, and the marking punch 4-31 is in the shape of "V" so as to punch out clear and easy-to-identify marks on the mesh nodes; The middle part of the connecting rod two 4-33 is slidably arranged inside the guide sleeve two 4-35, and the guide sleeve two 4-35 is connected with the side wall of the rack 1. The top of the connecting rod two 4-33 is provided with a roller two 4-37, which is in contact with the lower side profile of the cam two 4-32. The lower part of the connecting rod two 4-33 is provided with a shaft shoulder two 4-36, and the shaft shoulder two 4-36 is connected with the inner bottom of the rack 1 through the support spring two 4-34. The working principle is the same as that of the cutting mechanism 4-2.

[0030] In order to realize the alternate operation of the cutting and marking actions and avoid interference, the shape and size of the cam one 4-22 and the cam two 4-32 are the same, but the installation phase of the cam one 4-22 and the cam two 4-32 on the driving shaft 4-13 is 180° apart, and the connecting rod one 4-23 and the connecting rod two 4-33 are staggered in the mesh conveying direction. When the cam one 4-22 pushes the cutting knife 4-21 to move downward, the profile of the cam two 4-32 is just right to make the marking punch 4-31 in the upper position; after the cutting is completed, the marking punch 4-31 moves downward to mark. Of course, the cam two 4-32 can be replaced according to the marking needs in actual production.

[0031] Preferably, the conveying roller 3-2, the transmission mechanism and the cutting and marking device 4 can be symmetrically arranged on both sides of the rack 1. Moreover, the cutting knives 4-21 of the cutting mechanisms 4-2 on both sides are connected, so as to ensure that the mesh of the whole width can be cut off at the same time.

[0032] Work flow: 1. Start the equipment, rotate the motor 2-1 to drive the guide roller 2-2 to rotate, introduce and guide the mesh into the fixed-length conveying device 3.

[0033] 2. The driving member 3-1 drives the conveying roller 3-2 to rotate continuously, conveying the mesh; at the same time, the ratchet wheel 3-3 rotates to drive the pawl 3-4 to swing periodically.

[0034] 3. The swing of the pawl 3-4 is converted into the reciprocating motion of the rack 4-11 through the crank slider 2-3 mechanism.

[0035] 4. The rack 4-11 drives the gear 4-12 and the driving shaft 4-13 to rotate intermittently in one direction.

[0036] 5. The driving shaft 4-13 drives the cam 1 4-22 and the cam 2 4-32 to rotate; due to the phase difference, the cam 1 4-22 first pushes the cutting knife 4-21 to go down to cut the mesh; then, the cam 2 4-32 pushes the marking punch 4-31 to go down to punch out the "V" shaped mark on the mesh node.

[0037] 6. Repeat steps 2-5 to realize the continuous automatic cutting and marking of the mesh.

[0038] The present application integrates the functions of mesh conveying, length control, cutting and marking into one, realizes the continuous automatic operation of the gabion mesh production, significantly improves the production efficiency and product precision, and reduces the labor cost and error.

[0039] It can be understood that the present application is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to the features and embodiments without departing from the spirit and scope of the present application. In addition, the features and embodiments can be modified to adapt to specific conditions and materials under the guidance of the present application without departing from the spirit and scope of the present application. Therefore, the present application is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are within the scope of the present application.

Claims

1. A gabion mesh production apparatus, characterized by: It includes: Frame (1), and feeding guide device (2), fixed-length conveying device (3), cutting and marking device (4) arranged in sequence on the upper part of the frame (1) along the conveying direction of the gabion mesh sheet; The fixed-length conveying device (3) comprises a driving member (3-1), two conveying rollers (3-2) arranged in upper and lower positions and relatively rotating, and a transmission mechanism located outside the side wall of the frame (1); the driving member (3-1) is coaxially connected with any one of the conveying rollers (3-2), and the conveying roller (3-2) located in the upper position is connected with the transmission mechanism; the two conveying rollers (3-2) are used for conveying the mesh sheet to the direction of the cutting and marking device (4) so that the cutting and marking device (4) cuts and marks the mesh sheet at a fixed frequency; The transmission mechanism comprises a ratchet wheel (3-3) and a pawl (3-4); the ratchet wheel (3-3) is connected with the conveying roller (3-2) located in the upper position and rotates with the conveying roller (3-2); one end of the pawl (3-4) is matched with the ratchet wheel (3-3), the middle part is provided with a rotating rod (3-5) which is rotatably connected with the frame (1), and the other end is connected with the cutting and marking device (4); The cutting and marking device (4) comprises a power transmission mechanism (4-1), a cutting mechanism (4-2) and a marking mechanism (4-3); the power transmission mechanism (4-1) is connected with the other end of the pawl (3-4), and converts the swing of the pawl (3-4) into the up-down movement of a cutting knife (4-21) of the cutting mechanism (4-2) and a marking punch (4-31) of the marking mechanism (4-3), so as to cut and mark the mesh sheet.

2. A gabion mesh production apparatus according to claim 1, characterised in that: The power transmission mechanism (4-1) comprises a rack (4-11), a gear (4-12) and a driving shaft (4-13); the rack (4-11) extends horizontally, one end of which is hingedly connected with the other end of the pawl (3-4), and the middle part is slidably arranged in the inside of a fixed frame (4-14); the fixed frame (4-14) is connected with the side wall of the frame (1); the pawl (3-4), the rack (4-11) and the fixed frame (4-14) constitute a crank slider (2-3) mechanism; The upper part of the rack (4-11) is provided with the gear (4-12), and the gear (4-12) is engaged with the rack (4-11); the middle part of the gear (4-12) is connected with the driving shaft (4-13) through a one-way bearing; the driving shaft (4-13) penetrates through the side wall of the frame (1) and is connected with the cutting mechanism (4-2) and the marking mechanism (4-3).

3. A gabion mesh production apparatus according to claim 2, wherein: The cutting mechanism (4-2) comprises a cam (4-22), a connecting rod (4-23), a supporting spring (4-24) and a cutting knife (4-21); the cam (4-22) is connected with the driving shaft (4-13), the lower part of which is in contact with the upper end of the connecting rod (4-23), and the bottom of the connecting rod (4-23) is provided with the cutting knife (4-21). The middle part of the connecting rod one (4-23) is arranged in the interior of a guide sleeve one (4-25) in an up-and-down sliding mode, the guide sleeve one (4-25) is connected with the side wall of the rack (1), the lower part of the connecting rod one (4-23) is provided with a shaft shoulder one (4-26), and the shaft shoulder one (4-26) is connected with the inner bottom of the rack (1) through the support spring one (4-24).

4. A gabion mesh production apparatus according to claim 3, wherein: The marking mechanism (4-3) comprises a cam two (4-32), a connecting rod two (4-33), a support spring two (4-34) and a marking punch (4-31); the cam two (4-32) is connected with the driving shaft (4-13), and the lower part of the cam two (4-32) is in contact with one side of the upper end of the connecting rod two (4-33); the bottom of the connecting rod two (4-33) is provided with the marking punch (4-31); The middle part of the connecting rod two (4-33) is arranged in the interior of a guide sleeve two (4-35) in an up-and-down sliding mode, the guide sleeve two (4-35) is connected with the side wall of the rack (1), the lower part of the connecting rod two (4-33) is provided with a shaft shoulder two (4-36), and the shaft shoulder two (4-36) is connected with the inner bottom of the rack (1) through the support spring two (4-34).

5. A gabion mesh production apparatus according to claim 1, wherein: The bottom of the marking punch (4-31) is in a "V" shape.

6. A gabion mesh production apparatus according to claim 4, wherein: The top of the connecting rod one (4-23) and the top of the connecting rod two (4-33) are respectively provided with a roller one (4-27) and a roller two (4-37); the roller one (4-27) is in contact with the lower part of the cam one (4-22), and the roller two (4-37) is in contact with one side of the lower part of the cam two (4-32).

7. A gabion mesh production apparatus according to claim 4, wherein: The shape and size of the cam one (4-22) and the cam two (4-32) are the same, and the phases are 180° apart.

8. A gabion mesh production apparatus according to claim 1, wherein: The feeding guide device (2) comprises a rotating motor (2-1) and two guide rollers (2-2) arranged in an up-and-down mode and relatively rotating; the axis of the guide roller (2-2) is perpendicular to the conveying direction of the mesh, and the roller shafts of the two guide rollers (2-2) are rotationally connected with the rack (1); any guide roller (2-2) is coaxially connected with the rotating motor (2-1).

9. A gabion mesh production apparatus according to claim 8, wherein: The rack (1) is provided with a sliding groove (1-1) on the side wall, and an installation plate (1-2) is arranged at the position corresponding to the sliding groove (1-1) on the top; The roller shaft of the upper guide roller (2-2) is provided with a sliding block (2-3), the sliding block (2-3) is arranged in the interior of the sliding groove (1-1) in an up-and-down sliding mode, and the top of the sliding block (2-3) is connected with the installation plate (1-2) through a stretching spring (2-4).

10. A gabion mesh production apparatus according to claim 1, characterised in that: The conveying roller (3-2), the transmission mechanism and the cutting and marking device (4) are symmetrically arranged on the two sides of the rack (1). The cutting knives (4-21) of the cutting mechanisms (4-2) on the two sides are connected.

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