CN112338585A

CN112338585A - Cutting equipment with blade having protection function

Info

Publication number: CN112338585A
Application number: CN202010903071.8A
Authority: CN
Inventors: 胡佳琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-02-09

Abstract

The invention relates to cutting equipment with a protection function on a blade, which comprises a base, a support column, a cross beam, a cutting mechanism, a clamping mechanism and a dustproof mechanism, wherein the cutting mechanism comprises a motor, a rotating shaft, the blade and a first limiting rod, the dustproof mechanism comprises an upper dustproof assembly and a lower dustproof assembly, the clamping mechanism comprises a connecting rod, a first rack, a second rack, a gear, a rolling rod and a second limiting rod, the cutting equipment with the protection function on the blade can stably clamp metal on an objective table through the clamping mechanism, the metal on the objective table is cut through the cutting mechanism, the blade can be protected from dust through the dustproof mechanism when the cutting equipment is not used, dust adhesion is avoided, the cutting precision is improved when the cutting equipment is cut next time, the cutting success rate is improved, and the cutting cost is reduced.

Description

Cutting equipment with blade having protection function

Technical Field

The invention relates to a cutting device with a protection function on a blade.

Background

In the metal cutting process, because the metal does not have stable centre gripping many times for the blade is cut askewly in the cutting, causes the metal cutting to have not reached the requirement of use, improves the cutting cost, and the blade is exposed in the air for a long time under the condition of not using simultaneously, is adhered to by the dust of air easily, and some metal blades still are very easily by oxidation rust, make in the time of next cutting, because the interference of dust or rust spot, the metal cutting is very easy to fail, improves manufacturing cost.

Summary of the invention

The invention aims to solve the technical problems that: in order to overcome the defects of the prior art, the cutting equipment with the protection function for the blade is provided.

The invention creates and solves the technical problem and adopts the technical scheme that: a cutting device with a blade protection function comprises a base, two pillars, a cross beam, a cutting mechanism, a clamping mechanism and a dustproof mechanism, wherein the base is horizontally arranged, the two pillars are respectively and vertically arranged at two ends of the base, the cross beam is horizontally arranged above the base, the cross beam is connected with one ends, away from the base, of the two pillars, the cutting mechanism and the dustproof mechanism are both positioned between the base and the cross beam, and the clamping mechanism is arranged on the base;

the cutting mechanism comprises a motor, a rotating shaft, two blades and two first limiting rods, the motor is horizontally arranged on one side of the support, the rotating shaft is installed on the motor, the blades are sleeved on the rotating shaft and are in transmission connection with the rotating shaft, the number of the first limiting rods is two, the two first limiting rods are sleeved on the rotating shaft, the first limiting rods are in sliding connection with the rotating shaft, the two first limiting rods are respectively positioned on two sides of the blades, and one ends, far away from the rotating shaft, of the first limiting rods are arranged on the cross beam;

the dustproof mechanism comprises an upper dustproof assembly and a lower dustproof assembly, the upper dustproof assembly comprises a circular ring, a supporting rod, a fixed block and two fixed units, the circular ring is sleeved on a cross beam and is in sliding connection with the cross beam, the supporting rod is sleeved on the circular ring and is fixedly connected with the circular ring, the fixed block is arranged at one end of the supporting rod, which is far away from the circular ring, the fixed block is positioned below the cross beam, the two fixed units are respectively positioned at two sides of the circular ring, the two fixed units are both arranged on the cross beam, the fixed units comprise a first clamping block, a movable plate, a first spring, a circular rod, a baffle plate and a push block, the baffle plate and the movable plate are both vertically arranged on the cross beam, the movable plate is positioned between the baffle plate and the circular ring and is in sliding connection with the movable plate, the circular rod is horizontally arranged above the cross beam, and passes through the baffle plate, the round bar is connected with the baffle in a sliding manner, one end of the round bar is connected with the movable plate, the push block is arranged at one end of the round bar, which is far away from the movable plate, the first spring is sleeved on the round bar, the first spring is positioned between the movable plate and the baffle, the first clamping block is arranged at one side of the baffle, which is far away from the round bar, the two first clamping blocks are arranged oppositely, the two first clamping blocks are abutted against each other, the two lower semi-dustproof assemblies are arranged on the two pillars respectively, each lower semi-dustproof assembly comprises a sleeve, a second spring, a fixed rod, a second clamping block, a cross rod, a connecting block and a rubber ball, the sleeve is horizontally arranged at one side of the pillars, which is close to the blade, the second spring is arranged in the sleeve, the second clamping block is arranged at one side of the blade, the fixed rod is positioned between the second spring and the second clamping block, one end of the fixed rod is connected with the second spring, the other end of the fixed rod is connected with the second clamping blocks, the two second clamping blocks are arranged oppositely, the two second clamping blocks are abutted, the cross rod is horizontally arranged on one side, close to the blade, of the support, the cross rod is located between the sleeve and the rotating shaft, the connecting block is arranged at one end, far away from the support, of the cross rod, the connecting block is located below the cross rod, the rubber ball is arranged at one end, far away from the cross rod, of the connecting block, and a positioning groove is formed in one end, close to the second clamping blocks, of the fixed rod;

the two clamping mechanisms are respectively positioned at two sides of the blade, each clamping mechanism comprises a connecting rod, a first rack, a second rack, a gear, a rolling rod, a second limiting rod and a clamping plate, the first rack is horizontally arranged below the fixing rod, the connecting rod is positioned between the first rack and the fixing rod, one end of the connecting rod is connected with the first rack, the other end of the connecting rod is connected with the fixing rod, the rolling rod is arranged below the first rack, the gear is sleeved on one end of the rolling rod, the gear is connected with the rolling rod in a key mode, the first rack is meshed with the gear, the second rack is horizontally arranged below the gear, the second rack is meshed with the gear, the second limiting rod is sleeved on the rolling rod, the second limiting rod is connected with the rolling rod in a sliding mode, one end, far away from the rolling rod, of the second limiting rod is arranged on the base, the clamping plate is vertically arranged at one end of the second rack far away from the gear;

the base is provided with an object stage, the object stage is positioned under the blade, and the clamping plate is connected with the object stage in a sliding mode.

For controlling the rotation speed, the motor is a servo motor.

In order to fix the rod, two sides of one end of the fixed rod, which is close to the second spring, are provided with limit blocks.

In order to prevent slipping, lubricating oil is coated on the gear and the first rack.

In order to better limit the supporting rod, arc-shaped grooves are formed in the first clamping block, and the circle centers of the two arc-shaped grooves are overlapped.

In order to move metal conveniently, the objective table below is equipped with slide mechanism, slide mechanism includes slide bar and branch, be equipped with the recess on the base, the vertical setting of slide bar is in the recess, the upper end and the objective table of slide bar are connected, branch has two, and two branches set up respectively in the slide bar keep away from the both sides of the one end of objective table, branch and recess sliding connection.

In order to slide more smoothly, one side of the support rod, which is far away from the slide rod, is provided with a roller wheel, and the roller wheel is connected with the groove in a sliding manner.

For better wrapping the blade, a limiting groove is arranged on the second clamping block, the limiting groove is arc-shaped, and the circle centers of the two limiting grooves are coaxially arranged.

In order to better protect the blade, the inner wall of the limiting groove is provided with a rubber layer.

In order to rotate conveniently, a rocker is arranged at one end, far away from the fixed block, of the supporting rod, and a handle is arranged at one end, far away from the supporting rod, of the rocker.

The cutting equipment with the protection function for the blade has the advantages that the metal on the object stage can be stably clamped through the clamping mechanism, the metal on the object stage is cut through the cutting mechanism, the blade can be protected in a dustproof mode through the dustproof mechanism when the cutting equipment is not used, dust is prevented from adhering to the blade, cutting precision is improved when the cutting equipment is used for next time, cutting success rate is improved, and cutting cost is reduced.

Drawings

The invention is further explained below with reference to the figures and examples.

FIG. 1 is a schematic structural diagram of a cutting device with a blade protection function according to the present invention;

FIG. 2 is a schematic view of a connection structure of a first rack, a second rack, a gear, a rolling rod and a second limit rod of the cutting device with a blade protection function according to the invention;

FIG. 3 is a schematic view of the connection structure of the support rod and the first clamping block of the cutting device with the blade protection function according to the present invention;

FIG. 4 is a schematic view of the connection structure of the blade and the second clamping block of the cutting device with the blade protection function according to the invention;

FIG. 5 is an enlarged view of portion A of FIG. 1;

in the figure: 1. the novel bearing device comprises a base, 2. a pillar, 3. a beam, 4. a motor, 5. a rotating shaft, 6. a blade, 7. a first limiting rod, 8. a circular ring, 9. a supporting rod, 10. a fixed block, 11. a first clamping block, 12. a movable plate, 13. a first spring, 14. a circular rod, 15. a baffle, 16. a push block, 17. a sleeve, 18. a second spring, 19. a fixed rod, 20. a cross rod, 21. a connecting block, 22. a rubber ball, 23. a connecting rod, 24. a first rack, 25. a gear, 26. a rolling rod, 27. a second rack, 28. a second limiting rod, 29. a clamping plate, 30. an object stage, 31. a sliding rod, 32. a supporting rod and 33. a second clamping block.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate only the basic structure of the invention, and therefore they show only the components that are relevant to the invention.

As shown in fig. 1-5, a cutting device with a blade protection function comprises a base 1, two pillars 2, a cross beam 3, a cutting mechanism, a clamping mechanism and a dustproof mechanism, wherein the base 1 is horizontally arranged, the number of the pillars 2 is two, the two pillars 2 are respectively and vertically arranged at two ends of the base 1, the cross beam 3 is horizontally arranged above the base 1, the cross beam 3 is connected with one ends of the two pillars 2 far away from the base 1, the cutting mechanism and the dustproof mechanism are both arranged between the base 1 and the cross beam 3, and the clamping mechanism is arranged on the base 1;

the cutting mechanism comprises a motor 4, a rotating shaft 5, blades 6 and first limiting rods 7, wherein the motor 4 is horizontally arranged on one side of the support column 2, the rotating shaft 5 is installed on the motor 4, the blades 6 are sleeved on the rotating shaft 5, the blades 6 are in transmission connection with the rotating shaft 5, the number of the first limiting rods 7 is two, the two first limiting rods 7 are sleeved on the rotating shaft 5, the first limiting rods 7 are in sliding connection with the rotating shaft 5, the two first limiting rods 7 are respectively positioned on two sides of the blades 6, and one ends, far away from the rotating shaft 5, of the first limiting rods 7 are arranged on the cross beam 3;

the dustproof mechanism comprises an upper half dustproof assembly and a lower half dustproof assembly, the upper half dustproof assembly comprises a circular ring 8, a supporting rod 9, a fixed block 10 and two fixed units, the circular ring 8 is sleeved on the cross beam 3, the circular ring 8 is in sliding connection with the cross beam 3, the supporting rod 9 is sleeved on the circular ring 8, the supporting rod 9 is fixedly connected with the circular ring 8, the fixed block 10 is arranged at one end of the supporting rod 9 far away from the circular ring 8, the fixed block 10 is positioned below the cross beam 3, the two fixed units are respectively positioned at two sides of the circular ring 8, the two fixed units are both arranged on the cross beam 3, the fixed units comprise a first clamping block 11, a movable plate 12, a first spring 13, a circular rod 14, a baffle plate 15 and a push block 16, the baffle plate 15 and the movable plate 12 are both vertically arranged on the cross beam 3, the movable plate 12 is positioned between the baffle plate 15 and the circular ring 8, and the movable plate 12 is in, the round bar 14 is horizontally arranged above the cross beam 3, the round bar 14 penetrates through the baffle plate 15, the round bar 14 is connected with the baffle plate 15 in a sliding manner, one end of the round bar 14 is connected with the movable plate 12, the push block 16 is arranged at one end, far away from the movable plate 12, of the round bar 14, the first spring 13 is sleeved on the round bar 14, the first spring 13 is positioned between the movable plate 12 and the baffle plate 15, the first clamping block 11 is arranged on one side, far away from the round bar 14, of the baffle plate 15, the two first clamping blocks 11 are arranged just opposite to each other, the two first clamping blocks 11 are abutted against each other, the two lower half dustproof assemblies are two, the two lower half dustproof assemblies are respectively arranged on the two support posts 2, each lower half dustproof assembly comprises a sleeve 17, a second spring 18, a fixed rod 19, a second clamping block 33, a cross rod 20, a connecting block 21 and a rubber ball 22, the sleeve 17 is horizontally arranged on one side, close to, the second spring 18 is arranged in the sleeve 17, the second clamping block 33 is arranged on one side of the blade 6, the fixed rod 19 is positioned between the second spring 18 and the second clamping block 33, one end of the fixed rod 19 is connected with the second spring 18, the other end of the fixed rod 19 is connected with the second clamping block 33, the two second clamping blocks 33 are arranged in an opposite mode, the two second clamping blocks 33 are abutted, the cross rod 20 is horizontally arranged on one side, close to the blade 6, of the strut 2, the cross rod 20 is positioned between the sleeve 17 and the rotating shaft 5, the connecting block 21 is arranged at one end, far away from the strut 2, of the cross rod 20, the connecting block 21 is positioned below the cross rod 20, the rubber ball 22 is arranged at one end, far away from the cross rod 20, of the fixed rod 19, close to the second clamping block 33, and a positioning groove is formed in one end, far away;

the clamping mechanisms are two, the two clamping mechanisms are respectively positioned at two sides of the blade 6, each clamping mechanism comprises a connecting rod 23, a first rack 24, a second rack 27, a gear 25, a rolling rod 26, a second limiting rod 28 and a clamping plate 29, the first rack 24 is horizontally arranged below the fixing rod 19, the connecting rod 23 is positioned between the first rack 24 and the fixing rod 19, one end of the connecting rod 23 is connected with the first rack 24, the other end of the connecting rod 23 is connected with the fixing rod 19, the rolling rod 26 is arranged below the first rack 24, the gear 25 is sleeved at one end of the rolling rod 26, the gear 25 is in key connection with the rolling rod 26, the first rack 24 is meshed with the gear 25, the second rack 27 is horizontally arranged below the gear 25, the second rack 27 is meshed with the gear 25, the second limiting rod 28 is sleeved on the rolling rod 26, the second limiting rod 28 is connected with the rolling rod 26 in a sliding manner, one end of the second limiting rod 28, which is far away from the rolling rod 26, is arranged on the base 1, and the clamping plate 29 is vertically arranged on one end of the second rack 27, which is far away from the gear 25;

the base 1 is provided with an object stage 30, the object stage 30 is positioned under the blade 6, and the clamping plate 29 is connected with the object stage 30 in a sliding manner.

For controlling the rotational speed, the motor 4 is a servomotor.

In order to fix the rod 19, the fixed rod 19 is provided with stoppers at both sides of one end thereof adjacent to the second spring 18.

In order to prevent slipping, both the gear 25 and the first rack 24 are coated with lubricating oil.

In order to better limit the supporting rod 9, the first clamping block 11 is provided with arc-shaped grooves, and the centers of the two arc-shaped grooves are overlapped.

In order to move metal conveniently, a sliding mechanism is arranged below the object stage 30 and comprises a sliding rod 31 and two supporting rods 32, a groove is formed in the base 1, the sliding rod 31 is vertically arranged in the groove, the upper end of the sliding rod 31 is connected with the object stage 30, the number of the supporting rods 32 is two, the two supporting rods 32 are respectively arranged on two sides of one end, away from the object stage 30, of the sliding rod 31, and the supporting rods 32 are connected with the groove in a sliding mode.

For smoother sliding, a roller is arranged on one side of the support rod 32 away from the sliding rod 31, and the roller is connected with the groove in a sliding manner.

For better wrapping the blade 6, the second clamping block 33 is provided with a limiting groove, the limiting groove is arc-shaped, and the circle centers of the two limiting grooves are coaxially arranged.

For better protection of the blade 6, the inner wall of the limiting groove is provided with a rubber layer.

For convenience in rotation, a rocker is arranged at one end of the supporting rod 9, which is far away from the fixing block 10, and a handle is arranged at one end of the rocker, which is far away from the supporting rod 9.

When the device is used, the two first clamping blocks 11 are separated to leave enough distance, the first spring 13 is in a compressed state, the supporting rod 9 rotates around the ring 8 until the supporting rod 9 is positioned above the cross beam 3 and the supporting rod 9 is perpendicular to the cross beam 3, the two first clamping blocks 11 are loosened, under the action of the restoring force of the first spring 13, the two first clamping blocks 11 are abutted again, so that the supporting rod 9 is clamped and limited by the two first clamping blocks 11, the fixed block 10 moves to the position above the cross beam 3 along with the rotation of the supporting rod 9, the upper half part of the blade 6 is relieved of limitation at the moment, metal is placed on the object stage 30, then the fixed rod 19 is pulled, so that the fixed rod 19 moves towards the pillar 2 until the rubber ball 22 above the fixed rod 19 is positioned in the positioning groove on the fixed rod 19, and the two second clamping blocks 33 move to separate along with the two fixed rods 19, the restriction of the blade 6 at the lower half part is released, the fixed rod 19 drives the first rack 24 to move towards the pillar 2 through the connecting rod 21 in the moving process, the first rack 24 is meshed with the gear 25, so the gear 25 is driven by the first rack 24 to rotate, the gear 25 is meshed with the second rack 27, so the gear 25 drives the second rack 27 to move towards the object stage 30, the clamping plate 29 moves towards the object stage 30, metal on the object stage 30 is clamped, then the motor 4 is started, the rotating shaft 5 is driven by the motor 4 to rotate, the blade 6 rotates along with the rotating shaft 5, and the metal below is cut.

Here, the sliding mechanism is mainly arranged to move the metal strip through the sliding mechanism when the metal strip with a long length is cut, so that the metal strip can be prevented from being scratched by the blade 6.

The rubber layer is here mainly provided to avoid hard contact between the blade 6 and the second clamping block 33, and to avoid dulling of the blade 6.

Here, the rocker and the handle are arranged, so that the support rod 9 is convenient for workers to rotate, and manpower resources are saved.

Compared with the prior art, this cutting equipment that has protect function to blade can carry out stable centre gripping to the metal on the objective table 30 through fixture, realizes cutting the metal on the objective table 30 through cutting mechanism, can prevent dust the protection to blade 6 when not using this equipment through dustproof mechanism, avoids the dust to adhere to for improve cutting accuracy when cutting next time, improve the cutting success rate, reduce the cutting cost.

In light of the foregoing description of the preferred embodiments of the invention, it is to be understood that numerous changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims

1. The cutting equipment with the blade protection function is characterized by comprising a base (1), two pillars (2), a cross beam (3), a cutting mechanism, a clamping mechanism and a dustproof mechanism, wherein the base (1) is horizontally arranged, the number of the pillars (2) is two, the two pillars (2) are respectively and vertically arranged at two ends of the base (1), the cross beam (3) is horizontally arranged above the base (1), the cross beam (3) is connected with one ends, far away from the base (1), of the two pillars (2), the cutting mechanism and the dustproof mechanism are both positioned between the base (1) and the cross beam (3), and the clamping mechanism is arranged on the base (1);

the cutting mechanism comprises a motor (4), a rotating shaft (5), a blade (6) and first limiting rods (7), the motor (4) is horizontally arranged on one side of the supporting column (2), the rotating shaft (5) is installed on the motor (4), the blade (6) is sleeved on the rotating shaft (5), the blade (6) is in transmission connection with the rotating shaft (5), the number of the first limiting rods (7) is two, the two first limiting rods (7) are sleeved on the rotating shaft (5), the first limiting rods (7) are in sliding connection with the rotating shaft (5), the two first limiting rods (7) are respectively located on two sides of the blade (6), and one end, far away from the rotating shaft (5), of each first limiting rod (7) is arranged on the cross beam (3);

the dustproof mechanism comprises an upper dustproof assembly and a lower dustproof assembly, the upper dustproof assembly comprises a circular ring (8), a supporting rod (9), a fixed block (10) and two fixed units, the circular ring (8) is sleeved on the cross beam (3), the circular ring (8) is in sliding connection with the cross beam (3), the supporting rod (9) is sleeved on the circular ring (8), the supporting rod (9) is fixedly connected with the circular ring (8), the fixed block (10) is arranged at one end, far away from the circular ring (8), of the supporting rod (9), the fixed block (10) is positioned below the cross beam (3), the two fixed units are respectively positioned at two sides of the circular ring (8), the two fixed units are arranged on the cross beam (3), and each fixed unit comprises a first clamping block (11), a movable plate (12), a first spring (13), a circular rod (14), a baffle plate (15) and a push block (16), the improved clamping device is characterized in that the baffle (15) and the moving plate (12) are vertically arranged on the cross beam (3), the moving plate (12) is located between the baffle (15) and the circular ring (8), the moving plate (12) is connected with the cross beam (3) in a sliding manner, the circular rod (14) is horizontally arranged above the cross beam (3), the circular rod (14) penetrates through the baffle (15), the circular rod (14) is connected with the baffle (15) in a sliding manner, one end of the circular rod (14) is connected with the moving plate (12), the push block (16) is arranged at one end, far away from the moving plate (12), of the circular rod (14), the first spring (13) is sleeved on the circular rod (14), the first spring (13) is located between the moving plate (12) and the baffle (15), the first clamping block (11) is arranged at one side, far away from the circular rod (14), of the baffle (15), and the two first clamping blocks (11) are arranged right, two first clamping blocks (11) are abutted, the number of the lower half dustproof assemblies is two, the two lower half dustproof assemblies are respectively arranged on two pillars (2), each lower half dustproof assembly comprises a sleeve (17), a second spring (18), a fixing rod (19), a second clamping block (33), a cross rod (20), a connecting block (21) and a rubber ball (22), the sleeve (17) is horizontally arranged on one side, close to the blade (6), of the pillar (2), the second spring (18) is arranged in the sleeve (17), the second clamping block (33) is arranged on one side of the blade (6), the fixing rod (19) is located between the second spring (18) and the second clamping block (33), one end of the fixing rod (19) is connected with the second spring (18), the other end of the fixing rod (19) is connected with the second clamping block (33), and the two second clamping blocks (33) are arranged oppositely, the two second clamping blocks (33) are abutted, the cross rod (20) is horizontally arranged on one side, close to the blade (6), of the support column (2), the cross rod (20) is located between the sleeve (17) and the rotating shaft (5), the connecting block (21) is arranged at one end, far away from the support column (2), of the cross rod (20), the connecting block (21) is located below the cross rod (20), the rubber ball (22) is arranged at one end, far away from the cross rod (20), of the connecting block (21), and a positioning groove is formed in one end, close to the second clamping blocks (33), of the fixing rod (19);

the clamping mechanism has two, and two clamping mechanism are located the both sides of blade (6) respectively, clamping mechanism includes connecting rod (23), first rack (24), second rack (27), gear (25), rolling rod (26), second gag lever post (28) and splint (29), first rack (24) level sets up the below at dead lever (19), connecting rod (23) are located between first rack (24) and dead lever (19), the one end and the first rack (24) of connecting rod (23) are connected, the other end and the dead lever (19) of connecting rod (23) are connected, rolling rod (26) set up in first rack (24) below, gear (25) cover is established on one end of rolling rod (26), gear (25) and rolling rod (26) key-type connection, first rack (24) and gear (25) meshing, the second rack (27) is horizontally arranged below the gear (25), the second rack (27) is meshed with the gear (25), the second limiting rod (28) is sleeved on the rolling rod (26), the second limiting rod (28) is connected with the rolling rod (26) in a sliding mode, one end, far away from the rolling rod (26), of the second limiting rod (28) is arranged on the base (1), and the clamping plate (29) is vertically arranged at one end, far away from the gear (25), of the second rack (27);

be equipped with objective table (30) on base (1), objective table (30) are located under blade (6), splint (29) and objective table (30) sliding connection.

2. Cutting device with protection function for blades according to claim 1, characterized in that said motor (4) is a servomotor.

3. The cutting device with the protection function for the blade as claimed in claim 1, wherein the fixing rod (19) is provided with a stopper at both sides of one end near the second spring (18).

4. Cutting device with protection for blades according to claim 1, characterized in that said gear (25) and first rack (24) are both coated with lubricating oil.

5. The cutting equipment with the protection function for the blade according to claim 1, characterized in that the first clamping block (11) is provided with arc-shaped grooves, and the centers of the two arc-shaped grooves coincide.

6. The cutting equipment with the protection function on the blade is characterized in that a sliding mechanism is arranged below the object stage (30), the sliding mechanism comprises a sliding rod (31) and two supporting rods (32), a groove is formed in the base (1), the sliding rod (31) is vertically arranged in the groove, the upper end of the sliding rod (31) is connected with the object stage (30), the number of the supporting rods (32) is two, the two supporting rods (32) are respectively arranged on two sides of one end, away from the object stage (30), of the sliding rod (31), and the supporting rods (32) are in sliding connection with the groove.

7. A cutting device with a blade protection function according to claim 6, characterized in that the side of the support bar (32) remote from the slide bar (31) is provided with a roller which is slidably connected with the groove.

8. The cutting equipment with the protection function for the blade as claimed in claim 1, characterized in that the second clamping block (33) is provided with a limiting groove, the limiting groove is arc-shaped, and the centers of the two limiting grooves are coaxially arranged.

9. The cutting device with the protection function for the blade as claimed in claim 8, wherein the inner wall of the limiting groove is provided with a rubber layer.

10. The cutting device with the blade protection function according to claim 6, characterized in that a rocker is arranged at one end of the supporting rod (9) far away from the fixing block (10), and a handle is arranged at one end of the rocker far away from the supporting rod (9).