CN114102455B

CN114102455B - Bench vice

Info

Publication number: CN114102455B
Application number: CN202111541156.7A
Authority: CN
Inventors: 张鹏辉; 韦翔
Original assignee: Changsha Kuang Zhi Machinery Manufacturing Co ltd
Current assignee: Changsha Kuang Zhi Machinery Manufacturing Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2024-06-14
Anticipated expiration: 2041-12-16
Also published as: CN114102455A

Abstract

The invention relates to the technical field of part machining, in particular to a bench vice, which comprises a base, a sliding block, an oiling mechanism, a moving mechanism, a cleaning mechanism and a clamping plate, wherein the sliding block is arranged on one side of the base, the oiling mechanism is arranged on one side of the base, the cleaning mechanism is arranged in the middle of the base, the moving mechanism is arranged in the middle of the base, the clamping plate is fixedly arranged on the close side of the base and the sliding block, the oiling mechanism comprises a first connecting rod, a first push rod, a push block, an oil storage box, a first one-way valve, a first oil pipe, an oil tank, a second oil pipe, a filtering bin, a third oil pipe, an oil receiving plate, a second one-way valve, a fourth oil pipe and a vertical plate. According to the invention, the oiling mechanism is adopted, the sponge is always contacted with the outer side wall of the rotating shaft by the tension of the spring, so that the lubricating oil on the sponge is uniformly smeared on the outer side wall of the rotating shaft, the workload of operators is reduced, the interior of the bench vice is not rusted by oiling at high frequency, and the rotating shaft rotates more easily.

Description

Bench vice

Technical Field

The invention relates to the technical field of part machining, in particular to a bench vice.

Background

Bench vices are the requisite tools for bench vices, and most of the work of the bench vices is completed on bench vices, such as sawing, filing, chiseling and assembling and disassembling parts. The bench vice device is arranged on the workbench and used for clamping and stabilizing a processed workpiece, and is a necessary tool in a bench worker workshop.

When the bench vice is used, scrap iron can be generated under most conditions, the scrap iron can fall into a working platform below, the space is narrow, the cleaning is difficult, the bench vice with the exposed rotating shaft is attached, and hands of workers are easily scratched when the scrap iron is cleaned. The bench vice is mostly manual driving's simple machinery, and the oiling maintenance at ordinary times needs the staff to regularly carry out the oiling treatment, has increased work load, if the staff forgets to carry out the oiling maintenance to the bench vice moreover, can lead to bench vice inside rust in the past, and the axis of rotation rotates the difficulty, also can reduce bench vice's life.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a bench vice.

The technical scheme adopted for solving the technical problems is as follows: the bench vice comprises a base, a sliding block, an oiling mechanism, a moving mechanism, a cleaning mechanism and clamping plates, wherein the sliding block is arranged on one side of the base, the oiling mechanism is arranged on one side of the base, the cleaning mechanism is arranged in the middle of the base, the moving mechanism is arranged in the middle of the base, and the clamping plates are fixedly arranged on the close sides of the base and the sliding block;

The oiling mechanism comprises a first connecting rod, a first push rod, a push block, an oil storage box, a first one-way valve, a first oil pipe, an oil tank, a second oil pipe, a filter bin, a third oil pipe, an oil connecting plate, a second one-way valve, a fourth oil pipe, a vertical plate, a movable plate, a sponge, a movable column, a spring and a top plate, wherein the first connecting rod is fixedly arranged on one side of the sliding block, the first push rod is fixedly arranged on one side of the first connecting rod, the push block is fixedly arranged on one side of the first push rod, the oil storage box is movably arranged on the outer side wall of the push block, the first oil pipe is fixedly arranged on one side of the oil storage box, the oil tank is fixedly arranged on one side of the first one-way valve, the second oil pipe is fixedly arranged on one side of the oil tank, the second oil pipe is fixedly arranged on one side of the second oil pipe, the filter bin is fixedly arranged on one side of the second oil pipe, the third oil pipe is fixedly arranged on one side of the filter bin, the first one side of the oil connecting plate is fixedly arranged on one side of the second one side of the oil storage box, the second one side of the oil storage box is fixedly arranged on the second one side of the first one side of the oil pipe, the first one side of the sponge is fixedly arranged on the side of the sponge, the first one side of the movable column is fixedly arranged on the side of the top plate, the first one side of the oil pipe is fixedly arranged on the side of the oil pipe.

Further, the moving mechanism comprises a rotating rod, a rotating shaft, a limiting plate, a T-shaped groove and a T-shaped block, the rotating shaft is connected to the middle of the base and the middle of the sliding block in a rotating mode, the rotating rod is movably installed in the middle of one end of the rotating shaft in a penetrating mode, the limiting plate is fixedly installed on the outer side wall of the middle of the rotating shaft, the limiting plate is rotatably installed inside the base, the T-shaped groove is formed in one side of the base, the T-shaped block is fixedly installed on one side of the sliding block, and the T-shaped block is matched with the T-shaped groove.

Further, clearance mechanism includes second connecting rod, push pedal, fixed plate, first trachea, gasbag, second trachea, reservation groove, closing plate and jet, slider one side fixed mounting has the second connecting rod, second connecting rod one end fixed mounting has the push pedal, the fixed plate is installed to push pedal one side, fixed plate fixed mounting is in base middle part one side, fixed plate one side fixed mounting has first trachea, first trachea one end fixed mounting has the gasbag, gasbag easy deformation and easy recovery, gasbag one side fixed mounting has the second trachea, second trachea one end fixed mounting has the jet, second trachea middle part runs through movable mounting has the closing plate, the reservation groove has been seted up at the base middle part, the reservation groove is located under the gasbag.

Furthermore, one side of the oil storage box is fixedly arranged on one side of the base, one side of the filter bin is fixedly arranged on one side of the base, two symmetrical sides of the oil receiving plate are fixedly arranged on two sides of the inside of the sliding block, and the top plate is fixedly arranged on one side of the inside of the sliding block.

Further, the outer side wall of the rotating shaft is provided with external threads, and the middle parts of the base and the sliding block are provided with internal threads meshed with the external threads of the outer side wall of the rotating shaft.

Further, the second connecting rod is movably arranged in the base, the outer side wall of the fixing plate is fixedly arranged in the base, and the sealing plate is movably arranged in the base.

The invention has the beneficial effects that:

(1) According to the bench vice, the oiling mechanism is adopted, the sliding block drives the first connecting rod to move, so that the first push rod is driven to move, the push block is driven to move along the direction of the first one-way valve along the oil storage box, at the moment, the first one-way valve is closed, the second one-way valve is opened, lubricating oil in the oil storage box is pressed to flow to the fourth oil pipe through the second one-way valve and then flows to the sponge, the rotation shaft rotates to rub the sponge, the sponge is driven to overturn downwards, the movable plate is driven to overturn downwards, the spring is driven to stretch, the sponge is always contacted with the outer side wall of the rotation shaft due to the tensile force of the spring, lubricating oil on the sponge is uniformly smeared on the outer side wall of the rotation shaft, the bench vice is opened, the outer side wall of the rotation shaft is oiled, the workload of an operator is reduced, the bench vice is not rusted due to high-frequency oiling, and the rotation of the rotation shaft is easier.

(2) According to the bench vice, the cleaning mechanism is adopted, the second connecting rod is driven to move reversely by the reverse movement of the sliding block, so that the pushing plate is driven to move reversely, air between the pushing plate and the fixing plate is pressed into the first air pipe, then the air enters the air bag, the air bag expands and deforms downwards, when the two clamping plates are in contact and close, scrap iron between the sliding block and the base is compressed to the vicinity of the air jet, the sealing plate is pulled out, air in the air bag passes through the second air pipe and is ejected from the air jet, and the vicinity of the scrap iron is blown to the edge of the bench vice, so that the bench vice is convenient to clean, the working difficulty of operators is reduced, and the damage possibly caused by cleaning the scrap iron in the machine is avoided.

(3) According to the bench vice, the recovery mechanism is adopted, friction force between the movable plate and the rotating shaft is increased, so that lubricating oil and scrap iron on the surface of the rotating shaft are scraped, the scraped lubricating oil and scrap iron fall onto the oil receiving plate and then flow into the third oil pipe, the lubricating oil enters the filtering bin for filtering, the filtered lubricating oil flows into the oil tank through the second oil pipe, and the lubricating oil is recycled, so that cost is saved.

Drawings

The invention will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of the whole structure of a bench vice according to the present invention;

FIG. 2 is a schematic side view of the overall structure of a bench vice according to the invention;

FIG. 3 is a schematic view of the overall internal structure of a bench vice according to the present invention;

FIG. 4 is a schematic view of the overall internal structure of a bench vice according to the invention;

FIG. 5 is an enlarged view at A of FIG. 3;

FIG. 6 is an enlarged view at B of FIG. 3;

FIG. 7 is an enlarged view at C of FIG. 4;

In the figure: 1. a base; 2. a slide block; 3. an oiling mechanism; 31. a first link; 32. a first push rod; 33. a pushing block; 34. an oil storage box; 35. a first one-way valve; 36. a first oil pipe; 37. an oil tank; 38. a second oil pipe; 39. a filtering bin; 310. a third oil pipe; 311. an oil receiving plate; 312. a second one-way valve; 313. a fourth oil pipe; 314. a riser; 315. a movable plate; 316. a sponge; 317. a movable column; 318. a spring; 319. a top plate; 4. a moving mechanism; 41. a rotating lever; 42. a rotating shaft; 43. a limiting plate; 44. a T-shaped groove; 45. a T-shaped block; 5. a cleaning mechanism; 51. a second link; 52. a push plate; 53. a fixing plate; 54. a first air tube; 55. an air bag; 56. a second air pipe; 57. a reserved groove; 58. a sealing plate; 59. an air jet; 6. and (3) clamping plates.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1-7, the bench vice of the invention comprises a base 1, a slide block 2, an oiling mechanism 3, a moving mechanism 4, a cleaning mechanism 5 and a clamping plate 6, wherein the slide block 2 is arranged on one side of the base 1, the oiling mechanism 3 is arranged on one side of the base 1, the bench vice is oiled and maintained, the cleaning mechanism 5 is arranged in the middle of the base 1, scrap iron generated in the production process is cleaned, the moving mechanism 4 is arranged in the middle of the base 1, and the clamping plate 6 is fixedly arranged on the similar side of the base 1 and the slide block 2;

The oiling mechanism 3 comprises a first connecting rod 31, a first push rod 32, a push block 33, an oil storage box 34, a first one-way valve 35, a first oil pipe 36, an oil tank 37, a second oil pipe 38, a filtering bin 39, a third oil pipe 310, an oil receiving plate 311, a second one-way valve 312, a fourth oil pipe 313, a vertical plate 314, a movable plate 315, a sponge 316, a movable column 317, a spring 318 and a top plate 319, wherein one side of a sliding block 2 is fixedly provided with the first connecting rod 31, one side of the first connecting rod 31 is fixedly provided with the first push rod 32, one end of the first push rod 32 is fixedly provided with the push block 33, the outer side wall of the push block 33 is movably provided with the oil storage box 34, a first one-way valve 35 is fixedly arranged at one end of the oil storage box 34 and used for controlling the flow direction of lubricating oil in the first oil pipe 36, the first oil pipe 36 is fixedly arranged at one end of the first one-way valve 35, an oil tank 37 is fixedly arranged at one end of the first oil pipe 36, a second oil pipe 38 is fixedly arranged at one side of the oil tank 37, a filter bin 39 is fixedly arranged at one end of the second oil pipe 38, a third oil pipe 310 is fixedly arranged at one end of the filter bin 39, an oil receiving plate 311 is fixedly arranged at one end of the third oil pipe 310, a second one-way valve 312 is fixedly arranged at one side of the oil storage box 34 and used for controlling the flow direction of lubricating oil in the fourth oil pipe 313, a fourth oil pipe 313 is fixedly arranged at one end of the second one-way valve 312, the sponge 316 is fixedly installed at one end of the fourth oil pipe 313, lubricating oil is conveniently smeared, the movable plate 315 is fixedly installed at one side of the sponge 316, the vertical plate 314 is movably hinged to one side of the movable plate 315 and used for limiting the movement track of the movable plate 315, the top plate 319 is fixedly installed at one end of the vertical plate 314 and used for limiting the movement amplitude of the movable column 317, the movable column 317 and the spring 318 are fixedly installed at one side of the movable plate 315, one end of the movable column 317 is not fixed with the top plate 319, and one end of the spring 318 is fixedly installed at one side of the top plate 319. The sliding block 2 drives the first connecting rod 31 to move, so as to drive the first push rod 32 to move, so as to drive the push block 33 to move along the oil storage box 34 towards the first one-way valve 35, at the moment, the first one-way valve 35 is closed and the second one-way valve 312 is opened, lubricating oil in the oil storage box 34 is pressed to flow to the fourth oil pipe 313 through the second one-way valve 312 and then flows to the sponge 316, the rotation shaft 42 rotates to rub the sponge 316, the sponge 316 is driven to overturn downwards, the movable plate 315 is driven to overturn downwards, the spring 318 is driven to stretch, the sponge 316 is always contacted with the outer side wall of the rotation shaft 42 by the tensile force of the spring 318, so that the lubricating oil on the sponge 316 is uniformly smeared on the outer side wall of the rotating shaft 42. The sliding block 2 drives the first connecting rod 31 to reversely move, so as to drive the first push rod 32 to reversely move, so as to drive the push block 33 to move along the oil storage box 34 in a direction away from the first one-way valve 35, at the moment, the first one-way valve 35 is opened, the second one-way valve 312 is closed, lubricating oil in the oil tank 37 is sucked into the oil storage box 34 from the first oil pipe 36, the rotating shaft 42 reversely rotates to rub against the movable plate 315, so that the movable plate 315 is driven to upwards overturn to contact with the top plate 319, at the moment, the movable plate 315 cannot continuously upwards overturn, the friction force between the movable plate 315 and the rotating shaft 42 is increased, and lubricating oil and scrap iron on the surface of the rotating shaft 42 are scraped, the scraped lubricating oil and scrap iron fall onto the oil receiving plate 311 and then flow into the third oil pipe 310, enter the filter house 39 for filtering, and the filtered lubricating oil flows into the oil tank 37 through the second oil pipe 38.

Specifically, the moving mechanism 4 comprises a rotating rod 41, a rotating shaft 42, a limiting plate 43, a T-shaped groove 44 and a T-shaped block 45, the rotating shaft 42 is connected to the middle parts of the base 1 and the sliding block 2 in a rotating mode, the rotating rod 41 penetrates through the middle part of one end of the rotating shaft 42 and is movably installed, the limiting plate 43 is fixedly installed on the outer side wall of the middle part of the rotating shaft 42, the limiting plate 43 is rotatably installed inside the base 1, the T-shaped groove 44 is formed in one side of the base 1, the T-shaped block 45 is fixedly installed on one side of the sliding block 2, and the T-shaped block 45 is matched with the T-shaped groove 44. The rotating rod 41 is rotated, so that the rotating shaft 42 is driven to rotate, the sliding block 2 is driven to move along the T-shaped groove 44 in a direction away from the rotating rod 41, the rotating rod 41 is reversely rotated, the rotating shaft 42 is driven to reversely rotate, and the sliding block 2 is driven to move along the T-shaped groove 44 in a direction close to the rotating rod 41.

Specifically, the cleaning mechanism 5 includes a second connecting rod 51, a push plate 52, a fixed plate 53, a first air pipe 54, an air bag 55, a second air pipe 56, a reserved groove 57, a sealing plate 58 and an air jet 59, wherein the second connecting rod 51 is fixedly installed on one side of the sliding block 2, the push plate 52 is fixedly installed on one end of the second connecting rod 51, the fixed plate 53 is installed on one side of the push plate 52, the fixed plate 53 is fixedly installed on one side of the middle of the base 1, the first air pipe 54 is fixedly installed on one side of the fixed plate 53, the air bag 55 is easy to deform and recover, the second air pipe 56 is fixedly installed on one side of the air bag 55, the air jet 59 is fixedly installed on one end of the second air pipe 56, the sealing plate 58 is movably installed in the middle of the second air pipe 56 in a penetrating manner, the reserved groove 57 is formed in the middle of the base 1, and the reserved groove 57 is located under the air bag 55. The movement of the slide block 2 drives the second connecting rod 51 to move, so that the push plate 52 is driven to move, and the warehouse inside the push plate 52 and the fixed plate 53 is filled with air. The reverse movement of the sliding block 2 drives the second connecting rod 51 to move reversely, so that the pushing plate 52 is driven to move reversely, air between the pushing plate 52 and the fixing plate 53 is pressed into the first air pipe 54, then the air enters the air bag 55, the air bag 55 expands and deforms downwards, when the two clamping plates 6 are in contact and close, scrap iron between the sliding block 2 and the base 1 is compressed to the vicinity of the air injection port 59, at the moment, the sealing plate 58 is pulled out, air in the air bag 55 passes through the second air pipe 56 and is sprayed out from the air injection port 59, and the nearby scrap iron is blown to the edge of the bench vice, so that cleaning is facilitated.

Specifically, one side of the oil storage box 34 is fixedly installed on one side of the base 1, one side of the filter bin 39 is fixedly installed on one side of the base 1, two symmetrical sides of the oil receiving plate 311 are fixedly installed on two sides of the interior of the sliding block 2, and the top plate 319 is fixedly installed on one side of the interior of the sliding block 2.

Specifically, the outer side wall of the rotating shaft 42 is provided with external threads, and the middle parts of the base 1 and the sliding block 2 are provided with internal threads engaged and matched with the external threads of the outer side wall of the rotating shaft 42 for matching movement.

Specifically, the second connecting rod 51 is movably mounted in the base 1, the outer side wall of the fixing plate 53 is fixedly mounted in the base 1, and the sealing plate 58 is movably mounted in the base 1.

Working principle: when the bench vice is not in operation, the two clamping plates 6 are in contact and closed, when the bench vice is needed, the sealing plate 58 is pulled out, the rotating rod 41 is rotated, the rotating shaft 42 is driven to rotate, the sliding block 2 is driven to move along the T-shaped groove 44 in the direction away from the rotating rod 41, the sliding block 2 is driven to move the first connecting rod 31, the first push rod 32 is driven to move, the push block 33 is driven to move along the oil storage box 34 in the direction of the first one-way valve 35, at the moment, the first one-way valve 35 is closed, the second one-way valve 312 is opened, lubricating oil in the oil storage box 34 is pressed to flow to the fourth oil pipe 313 through the second one-way valve 312 and then flows to the sponge 316, friction is generated between the rotating shaft 42 and the sponge 316, the sponge 316 is driven to turn downwards, the movable plate 315 is driven to turn downwards, the spring 318 is driven to stretch, and the sponge 316 is always in contact with the outer side wall of the rotating shaft 42 due to the pulling force of the spring 318, and the lubricating oil on the sponge 316 is uniformly smeared on the outer side wall of the rotating shaft 42. At the same time, the movement of the slider 2 drives the second link 51 to move, thereby driving the push plate 52 to move, so that the chambers inside the push plate 52 and the fixed plate 53 are filled with air.

The bench vice is reset after the use is finished, the sealing plate 58 is inserted, the sealing plate 58 is matched with the second air pipe 56 for sealing, the rotating rod 41 is reversely rotated, the rotating shaft 42 is driven to reversely rotate, the sliding block 2 is driven to move along the T-shaped groove 44 towards the direction close to the rotating rod 41, the sliding block 2 is driven to reversely move the first connecting rod 31, the first push rod 32 is driven to reversely move, the push block 33 is driven to move along the oil storage box 34 towards the direction far away from the first one-way valve 35, at the moment, the first one-way valve 35 is opened, the second one-way valve 312 is closed, lubricating oil in the oil tank 37 is sucked into the oil storage box 34 from the first oil pipe 36, the rotating shaft 42 reversely rotates to rub against the movable plate 315, the movable plate 315 is driven to upwards turn over and contact with the top plate 319, at the moment, the friction force between the movable plate 315 and the rotating shaft 42 is not continuously upwards increased, lubricating oil and scrap iron on the surface of the rotating shaft 42 are scraped, the scraped lubricating oil and the scrap iron fall onto the oil receiving plate 311, then flow into the third oil pipe 310, enter the filter bin 39 for filtering, and the filtered lubricating oil flows into the oil tank 37 after passing through the second oil pipe 38. Meanwhile, the reverse movement of the sliding block 2 drives the second connecting rod 51 to move reversely, so that the pushing plate 52 is driven to move reversely, air between the pushing plate 52 and the fixing plate 53 is pressed into the first air pipe 54, then the air enters the air bag 55, the air bag 55 is expanded to deform downwards, when the two clamping plates 6 are in contact and close, scrap iron between the sliding block 2 and the base 1 is compressed to the vicinity of the air injection port 59, at the moment, the sealing plate 58 is pulled out, air in the air bag 55 passes through the second air pipe 56 and is injected from the air injection port 59, and the nearby scrap iron is blown to the edge of the bench vice, so that cleaning is facilitated.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bench vice, includes base (1), slider (2), oiling mechanism (3), moving mechanism (4), clearance mechanism (5) and splint (6), its characterized in that: the novel oil coating machine is characterized in that a sliding block (2) is arranged on one side of the base (1), an oil coating mechanism (3) is arranged on one side of the base (1), a cleaning mechanism (5) is arranged in the middle of the base (1), a moving mechanism (4) is arranged in the middle of the base (1), and clamping plates (6) are fixedly arranged on the similar sides of the base (1) and the sliding block (2);

The oiling mechanism (3) comprises a first connecting rod (31), a first push rod (32), a push block (34), a first one-way valve (35), a first oil pipe (36), an oil tank (37), a second oil pipe (38), a filter bin (39), a third oil pipe (310), an oil receiving plate (311), a second one-way valve (312), a fourth oil pipe (313), a vertical plate (314), a movable plate (315), a sponge (316), a movable column (317), a spring (318) and a top plate (319), wherein the first connecting rod (31) is fixedly arranged on one side of the sliding block (2), the push block (32) is fixedly arranged on one side of the first connecting rod (31), the oil tank (34) is movably arranged on the outer side wall of the push block (32), the first one end of the oil tank (34) is fixedly provided with the first one-way valve (35), one end of the first one-way valve (35) is fixedly provided with the first oil pipe (36), the first oil tank (36) is fixedly arranged on one end of the first one end (37), the second end (38) is fixedly arranged on the first end (38), a third oil pipe (310) is fixedly arranged at one end of the filter bin (39), an oil receiving plate (311) is fixedly arranged at one end of the third oil pipe (310), a second one-way valve (312) is fixedly arranged at one side of the oil storage box (34), a fourth oil pipe (313) is fixedly arranged at one end of the second one-way valve (312), a sponge (316) is fixedly arranged at one end of the fourth oil pipe (313), the utility model discloses a fixed mounting has fly leaf (315) on sponge (316) one side, fly leaf (315) one side swing joint has riser (314), riser (314) one end fixed mounting has roof (319), fly leaf (315) one side fixed mounting has movable post (317) and spring (318), movable post (317) one end is not fixed with roof (319), spring (318) one end fixed mounting is in roof (319) one side.

2. A bench vice as in claim 1 wherein: the moving mechanism (4) comprises a rotating rod (41), a rotating shaft (42), a limiting plate (43), a T-shaped groove (44) and a T-shaped block (45), the rotating shaft (42) is connected to the middle of the base (1) and the middle of the sliding block (2) in a rotating mode, the rotating rod (41) is movably installed in the middle of one end of the rotating shaft (42) in a penetrating mode, the limiting plate (43) is fixedly installed on the outer side wall of the middle of the rotating shaft (42), the limiting plate (43) is rotatably installed inside the base (1), the T-shaped groove (44) is formed in one side of the base (1), the T-shaped block (45) is fixedly installed on one side of the sliding block (2), and the T-shaped block (45) is matched with the T-shaped groove (44).

3. A bench vice as claimed in claim 2, wherein: the cleaning mechanism (5) comprises a second connecting rod (51), a push plate (52), a fixing plate (53), a first air pipe (54), an air bag (55), a second air pipe (56), a reserved groove (57), a sealing plate (58) and an air nozzle (59), wherein the second connecting rod (51) is fixedly arranged on one side of the sliding block (2), the push plate (52) is fixedly arranged at one end of the second connecting rod (51), the fixing plate (53) is arranged on one side of the push plate (52), the fixing plate (53) is fixedly arranged on one side of the middle of the base (1), the first air pipe (54) is fixedly arranged on one side of the fixing plate (53), the air bag (55) is fixedly arranged at one end of the first air pipe (54), the air bag (55) is easy to deform and is easy to recover, the second air pipe (56) is fixedly arranged on one side of the air bag (55), the sealing plate (58) is movably arranged in a penetrating mode in the middle of the second air pipe (56), the reserved groove (57) is formed in the middle of the base (1), and the air bag (55) is located under the reserved groove (55).

4. A bench vice as claimed in claim 3, wherein: the oil storage box (34) is fixedly arranged on one side of the base (1), the filtering bin (39) is fixedly arranged on one side of the base (1), two symmetrical sides of the oil receiving plate (311) are fixedly arranged on two sides of the inside of the sliding block (2), and the top plate (319) is fixedly arranged on one side of the inside of the sliding block (2).

5. The bench vice of claim 4 wherein: external threads are formed in the outer side wall of the rotating shaft (42), and internal threads meshed with the external threads of the outer side wall of the rotating shaft (42) are formed in the middle of the base (1) and the sliding block (2).

6. The bench vice of claim 5 wherein: the second connecting rod (51) is movably arranged in the base (1), the outer side wall of the fixing plate (53) is fixedly arranged in the base (1), and the sealing plate (58) is movably arranged in the base (1).