CN216747238U

CN216747238U - Cold and hot impact testing machine for screwdriver

Info

Publication number: CN216747238U
Application number: CN202220229453.1U
Authority: CN
Inventors: 孙伟
Original assignee: Jiande Wig Tools Co ltd
Current assignee: Jiande Wig Tools Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-06-14
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a cold and hot impact testing machine for a screwdriver, which comprises: the device comprises a box body, a moving mechanism and a fixing mechanism; a through groove, a high-temperature groove and a low-temperature groove are formed in the box body, the top of the through groove is communicated with the high-temperature groove, and the bottom of the through groove is communicated with the low-temperature groove; the moving mechanism comprises a protective cover fixedly arranged on the inner top wall of the low-temperature groove, and a motor is fixedly arranged in the protective cover; according to the cold and hot impact testing machine for the screwdriver, the fixing mechanism is arranged on the moving mechanism in the box body, so that a bolt can drive the two racks to move in opposite directions through the gear in the screwing process, the two clamping blocks can approach each other under the action of the racks respectively, and the screwdriver can be clamped in the groove; through the arrangement, the cold and hot impact testing machine can fix the screwdrivers with different sizes, so that the problem that the screwdrivers deviate when the moving mechanism operates is solved, and the detection precision is improved.

Description

Cold and hot impact testing machine for screwdriver

Technical Field

The utility model relates to the technical field of screwdriver production, in particular to a cold and hot impact testing machine for a screwdriver.

Background

As is well known, a screwdriver is a common tool used to turn a screw to a desired position, typically having a thin wedge-shaped head that is insertable into a slot or recess in the head of the screw; when the screwdriver is used for screwing screws, the working principle of the wheel shaft is utilized: the larger the wheel, the more labor-saving, so that the screwdriver with a thick handle is more labor-saving than the screwdriver with a thin handle for screwing.

In screwdriver production process, need use thermal shock testing machine to detect the screwdriver, but the thermal shock testing machine among the prior art has leaded to the problem that the screwdriver can appear offset when the elevating movement mechanism in the testing machine is moving owing to do not possess the structure setting of being convenient for fix the screwdriver of unidimensional, and then the messenger detects the precision and receives the influence.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cold and hot impact testing machine for a screwdriver, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a screwdriver cold and hot impact testing machine comprises: the device comprises a box body, a moving mechanism and a fixing mechanism;

a through groove, a high-temperature groove and a low-temperature groove are formed in the box body, the top of the through groove is communicated with the high-temperature groove, and the bottom of the through groove is communicated with the low-temperature groove;

the moving mechanism comprises a protective cover fixedly arranged on the inner top wall of the low-temperature groove, a motor is fixedly arranged in the protective cover, an output shaft of the motor is fixedly connected with a threaded rod, one side of the threaded rod extends to the inside of the high-temperature groove, a movable plate is sleeved in the threaded rod, a sliding rod is connected in the movable plate in a sliding mode, two ends of the sliding rod are fixedly connected to the inner side wall of the high-temperature groove, a connecting plate is fixedly connected to the bottom of the movable plate, and the bottom end of the connecting plate penetrates through the inside of the through groove; the moving mechanism is used for enabling the screwdriver to move between the high-temperature groove and the low-temperature groove, and further enabling the screwdriver to be subjected to cold and hot impact;

the fixing mechanism comprises a block body fixedly connected to the bottom end of the connecting plate, a bolt is in threaded connection with the inside of the block body, a gear is fixedly sleeved on the bolt, two racks are in meshed connection with the outer sides of the gear, a plate body is movably connected to one side of each rack opposite to the other side of each rack, one side of the plate body is fixedly connected with the block body, clamping blocks are fixedly connected to the bottom ends of the two racks, and grooves are formed in the adjacent sides of the two clamping blocks; the fixing mechanism is used for fixing screwdrivers of different sizes conveniently.

By adopting the technical scheme, the high-temperature groove and the low-temperature groove in the box body can perform cold and hot impact on the screwdriver, and the through groove can facilitate the screwdriver to enter the high-temperature groove and the low-temperature groove; the protective cover can prevent the motor from being influenced by the temperature in the low-temperature groove, and the motor drives the threaded rod to rotate clockwise or anticlockwise after being started, so that the movable plate can move upwards or downwards on the sliding rod under the action of the threaded rod, and the connecting plate can enter the high-temperature groove or the low-temperature groove through the through groove; when the bolt is screwed down in the block body, the gear can be driven to rotate, so that the gear drives the two racks to move in opposite directions on the plate body, the two clamping blocks can be driven by the racks to be close to each other, and the screwdriver can be clamped in the groove.

Preferably, the inner top wall of the high-temperature groove is rotatably connected with the threaded rod through a bearing.

Through adopting above-mentioned technical scheme, can avoid fly leaf and threaded rod separation, also can alleviate the rotation load of threaded rod.

Preferably, the inner bottom wall of the high-temperature groove is connected with two sealing covers in a sliding mode, and the two sealing covers are symmetrically arranged on two sides of the connecting plate.

Through adopting above-mentioned technical scheme, after the screwdriver entered into high temperature groove box low temperature groove, sealed lid can laminate on the connecting plate and play and carry out sealed effect to leading to the groove.

Preferably, one side of the box body close to the high-temperature groove is hinged with a first box door, and one side of the box body close to the low-temperature groove is hinged with a second box door.

By adopting the technical scheme, the high-temperature tank and the low-temperature tank can be conveniently in a sealing state when in use.

Preferably, one side of the first box door and one side of the second box door are both fixedly connected with handles.

By adopting the technical scheme, the first box door and the second box door can be conveniently opened or closed.

Preferably, the top ends of the two racks are fixedly connected with a stop block.

Through adopting above-mentioned technical scheme, can carry on spacingly to the removal of rack, and then avoid the rack to break away from with the gear at the removal in-process.

Preferably, a sliding groove is formed in one side of the plate body, a sliding block is connected to the inner side wall of the sliding groove in a sliding mode, and one side of the sliding block is fixedly connected with the rack.

Through adopting above-mentioned technical scheme, can be convenient for the rack slides on the plate body more steadily.

Compared with the prior art, the utility model has the beneficial effects that:

according to the cold and hot impact testing machine for the screwdriver, the fixing mechanism is arranged on the moving mechanism in the box body, so that a bolt can drive the two racks to move in opposite directions through the gear in the screwing process, the two clamping blocks can approach each other under the action of the racks respectively, and the screwdriver can be clamped in the groove; through the arrangement, the cold and hot impact testing machine can fix the screwdrivers with different sizes, so that the problem that the screwdrivers deviate when the moving mechanism operates is solved, and the detection precision is improved.

Drawings

FIG. 1 is a schematic structural diagram of a screwdriver thermal shock tester of the present invention;

FIG. 2 is a schematic structural diagram of a high-temperature tank and a low-temperature tank in the screwdriver cold and hot impact testing machine of the present invention;

FIG. 3 is a schematic structural diagram of a gear and a rack in the screwdriver cold and hot impact testing machine of the present invention;

fig. 4 is a schematic structural view of a bolt and a block in the screwdriver cold and hot impact testing machine of the utility model.

In the figure: 1. a box body; 10. a high temperature tank; 11. a low temperature tank; 12. a first door; 13. a second door; 14. a handle; 2. a moving mechanism; 20. a motor; 21. a protective cover; 22. a threaded rod; 23. a slide bar; 24. a movable plate; 25. a connecting plate; 26. a sealing cover; 27. a through groove; 3. a fixing mechanism; 30. a block body; 31. a bolt; 32. a gear; 33. a rack; 34. a plate body; 35. a chute; 36. a slider; 37. a stopper; 38. a clamping block; 39. and (4) a groove.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: a screwdriver cold and hot impact testing machine comprises: the device comprises a box body 1, a moving mechanism 2 and a fixing mechanism 3; the moving mechanism 2 is used for enabling the screwdriver to move between the high-temperature groove 10 and the low-temperature groove 11, and further enabling the screwdriver to be subjected to cold and hot impact; the fixing mechanism 3 is used for fixing screwdrivers with different sizes conveniently;

in order to carry out cold and hot impact on the screwdriver in the box body 1 and facilitate the movement of the screwdriver in the high-temperature groove 10 and the low-temperature groove 11, the box body 1 is internally provided with a through groove 27, the high-temperature groove 10 and the low-temperature groove 11, the top of the through groove 27 is communicated with the high-temperature groove 10, and the bottom of the through groove 27 is communicated with the low-temperature groove 11; in order to facilitate the high-temperature groove 10 and the low-temperature groove 11 to be in a sealing state when in use, one side of the box body 1 close to the high-temperature groove 10 is hinged with a first box door 12, and one side of the box body 1 close to the low-temperature groove 11 is hinged with a second box door 13; in order to facilitate the opening or closing of the first door 12 and the second door 13, handles 14 are fixedly connected to one sides of the first door 12 and the second door 13;

in order to avoid the influence of the temperature inside the low-temperature trough 11 on the motor 20, and after the motor 20 is started, the threaded rod 22 can be driven to rotate clockwise or counterclockwise, so that the movable plate 24 can move upwards or downwards on the sliding rod 23 under the action of the threaded rod 22, and the connecting plate 25 can enter the high-temperature trough 10 or the low-temperature trough 11 through the through groove 27; the moving mechanism 2 comprises a protective cover 21 fixedly arranged on the inner top wall of the low-temperature groove 11, a motor 20 is fixedly arranged inside the protective cover 21, an output shaft of the motor 20 is fixedly connected with a threaded rod 22, one side of the threaded rod 22 extends into the high-temperature groove 10 and is sleeved with a movable plate 24 in a threaded manner, a sliding rod 23 is slidably connected inside the movable plate 24, two ends of the sliding rod 23 are fixedly connected to the inner side wall of the high-temperature groove 10, a connecting plate 25 is fixedly connected to the bottom of the movable plate 24, and the bottom end of the connecting plate 25 penetrates through the through groove 27; in order to avoid the separation of the movable plate 24 from the threaded rod 22 and reduce the rotation load of the threaded rod 22, the inner top wall of the high-temperature groove 10 is rotatably connected with the threaded rod 22 through a bearing; in order that the sealing covers 26 can be attached to the connecting plate 25 and play a role of sealing the through groove 27 after the screwdriver enters the high-temperature groove 10 and the low-temperature groove 11, two sealing covers 26 are connected to the inner bottom wall of the high-temperature groove 10 in a sliding mode, and the two sealing covers 26 are symmetrically arranged on two sides of the connecting plate 25;

in order to drive the gear 32 to rotate during the process of screwing the bolt 31 in the block 30, so that the gear 32 drives the two racks 33 to move in opposite directions on the plate body 34, and the two clamping blocks 38 can approach each other under the drive of the racks 33, respectively, so that the screwdriver can be clamped in the groove 39; the fixing mechanism 3 comprises a block body 30 fixedly connected to the bottom end of the connecting plate 25, a bolt 31 is in threaded connection with the inside of the block body 30, a gear 32 is fixedly sleeved on the bolt 31, the outer side of the gear 32 is in meshed connection with two racks 33, the plate body 34 is movably connected to the opposite sides of the two racks 33, one side of the plate body 34 is fixedly connected with the block body 30, the bottom ends of the two racks 33 are fixedly connected with clamping blocks 38, and the adjacent sides of the two clamping blocks 38 are provided with grooves 39; it should be noted that: the thickness of the gear 32 is larger than that of the rack 33, and when the gear 32 rotates under the action of the bolt 31, the rack 33 cannot be separated from the gear 32; in order to further limit the movement of the racks 33, the top ends of the two racks 33 are fixedly connected with stoppers 37; in order to be convenient for rack 33 to slide on plate 34 more steadily, spout 35 has been seted up to one side of plate 34, and the inside wall sliding connection of spout 35 has slider 36, one side and rack 33 fixed connection of slider 36.

According to the technical scheme, the working steps of the scheme are summarized and carded: when the device is used, after a host inside the box body 1 is started, high temperature and low temperature can be generated in the high-temperature groove 10 and the low-temperature groove 11 respectively; a screwdriver is placed between the two clamping blocks 38, and the bolt 31 can drive the two racks 33 to respectively move on the vertical plate in opposite directions through the gear 32 by screwing the bolt 31 on the block body 30, so that the two clamping blocks 38 can approach each other under the action of the racks 33, and the screwdriver can be clamped in the groove 39; after the first box door 12 and the second box door 13 are closed, the motor 20 is started, the motor 20 drives the threaded rod 22 to rotate clockwise or counterclockwise, so that the movable plate 24 can move upwards or downwards on the sliding rod 23 under the action of the threaded rod 22, the connecting plate 25 can enter the high-temperature groove 10 or the low-temperature groove 11 through the through groove 27 under the action of the movable plate 24, and the screwdriver can enter the high-temperature groove 10 or the low-temperature groove 11 respectively under the action of the fixing mechanism 3 to perform a cold and hot impact test.

To sum up: according to the cold and hot impact testing machine for the screwdriver, the fixing mechanism 3 is arranged on the moving mechanism 2 in the box body 1, so that the bolt 31 can drive the two racks 33 to move in opposite directions through the gear 32 in the screwing process, and the two clamping blocks 38 can approach to each other under the action of the racks 33 respectively, so that the screwdriver can be clamped in the groove 39; through the arrangement, the cold and hot impact testing machine can fix the screwdrivers with different sizes, so that the problem that the screwdrivers deviate when the moving mechanism 2 operates is solved, and the detection precision is improved.

The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screwdriver cold and hot impact testing machine which characterized in that includes: the device comprises a box body (1), a moving mechanism (2) and a fixing mechanism (3);

a through groove (27), a high-temperature groove (10) and a low-temperature groove (11) are formed in the box body (1), the top of the through groove (27) is communicated with the high-temperature groove (10), and the bottom of the through groove (27) is communicated with the low-temperature groove (11);

the moving mechanism (2) comprises a protective cover (21) fixedly mounted on the inner top wall of the low-temperature groove (11), a motor (20) is fixedly mounted inside the protective cover (21), an output shaft of the motor (20) is fixedly connected with a threaded rod (22), one side of the threaded rod (22) extends into the high-temperature groove (10), a movable plate (24) is sleeved with the threaded rod, a sliding rod (23) is slidably connected inside the movable plate (24), two ends of the sliding rod (23) are fixedly connected to the inner side wall of the high-temperature groove (10), a connecting plate (25) is fixedly connected to the bottom of the movable plate (24), and the bottom end of the connecting plate (25) penetrates through the inside of the through groove (27);

fixed establishment (3) include block (30) of fixed connection in connecting plate (25) bottom, the inside threaded connection of block (30) has bolt (31), fixed cover is equipped with gear (32) on bolt (31), the outside meshing of gear (32) is connected with rack (33) that quantity is two, two the equal swing joint in one side that rack (33) carried on the back mutually has plate body (34), one side and block (30) fixed connection of plate body (34), two the equal fixedly connected with clamp splice (38) in bottom of rack (33), two recess (39) are all seted up to one side that clamp splice (38) are adjacent.

2. The screwdriver cold and hot impact tester according to claim 1, wherein: the inner top wall of the high-temperature groove (10) is rotatably connected with the threaded rod (22) through a bearing.

3. The screwdriver cold-hot impact testing machine as set forth in claim 2, wherein: the inner side bottom wall of the high-temperature groove (10) is connected with two sealing covers (26) in a sliding mode, and the two sealing covers (26) are symmetrically arranged on two sides of the connecting plate (25).

4. The screwdriver cold and hot impact tester according to claim 1, wherein: one side of the box body (1) close to the high-temperature groove (10) is hinged with a first box door (12), and one side of the box body (1) close to the low-temperature groove (11) is hinged with a second box door (13).

5. The screwdriver cold and hot impact tester according to claim 4, wherein: and one sides of the first box door (12) and the second box door (13) are fixedly connected with handles (14).

6. The screwdriver cold and hot impact tester according to claim 1, wherein: the top ends of the two racks (33) are fixedly connected with a stop block (37).

7. The screwdriver cold and hot impact tester according to claim 1, wherein: the sliding groove (35) is formed in one side of the plate body (34), a sliding block (36) is connected to the inner side wall of the sliding groove (35) in a sliding mode, and one side of the sliding block (36) is fixedly connected with the rack (33).