CN221271096U

CN221271096U - Adjustable fastener

Info

Publication number: CN221271096U
Application number: CN202323336974.0U
Authority: CN
Inventors: 郁建青
Original assignee: Suzhou Industrial Park Suhong Machinery Co ltd
Current assignee: Suzhou Industrial Park Suhong Machinery Co ltd
Filing date: 2023-12-08
Publication date: 2024-07-05
Anticipated expiration: 2033-12-08

Abstract

The utility model provides an adjustable fastener. The bottom plate, the bottom plate right side surface is connected with the slide through the connecting block, and inserts in the middle of the slide and be equipped with ball screw to ball screw upper and lower both ends are provided with two sets of fixed plates of symmetry, ball screw upper end is provided with first knob, slide left and right sides inserts and is equipped with two sets of slide bars of symmetry. According to the clamping device, the fastening component is arranged, when the volume of a workpiece clamped in the middle of the clamping plate changes along with the change of the processing temperature, if the volume of the workpiece expands due to the increase of the temperature, the clamping plate can slide to two sides of the connecting rod so as to stretch the spring, the fastening state of the workpiece is continuously maintained under the action of the elastic force of the spring, and therefore, the automatic adjustment of the fastening component is completed according to the change of the temperature, the problem that the clamping mechanism cannot change according to the change of the volume of shaft parts is solved, and the practicability of the device is improved.

Description

Adjustable fastener

Technical Field

The utility model belongs to the technical field of shaft part machining tools, and particularly relates to an adjustable fastener.

Background

The shaft part is one of typical parts frequently encountered in hardware fittings, is mainly used for supporting transmission parts, transmitting torque and bearing load, is generally divided into an optical axis, a stepped shaft and a special-shaped shaft according to different structural forms of the shaft part, or is divided into a solid shaft, a hollow shaft and the like, the shaft part needs to be clamped during shaft processing, the shaft part can be conveniently processed, and the shaft part is prevented from being deviated during shaft processing, so that a positioning clamp for processing the shaft part is needed to clamp the shaft part, and the clamp is used for fixing a processing object in the mechanical manufacturing process, so that the processing object occupies a correct position to accept a device for construction or detection.

The utility model provides a fixed fixture of axle type part at bulletin number CN215881390U, includes axle type spare part and the clamping frame of fastening installation in axle type spare part outside, the rack is all installed in the cooperation of both ends around the clamping frame. The clamping frame and the placing frame are arranged, so that the shaft parts can be clamped and fixed, the fixing nuts are conveniently installed on the shaft parts to be detached, and the shaft parts can be protected when clamped by the first arc-shaped plate and the second arc-shaped plate. But the device is difficult to adjust the height of the clamping structure in the use process, the clamping structure needs to adjust the height of the clamping structure under different conditions, so that the device is suitable for the processing requirements of shaft parts under different conditions, the shaft parts need to be subjected to heat treatment after being processed and molded to increase the physical properties of the long shaft parts, the volumes of the shaft parts also change under different temperatures, the clamping mechanism cannot change according to the volume change of the shaft parts, and the continuous adjustment operation is more troublesome. Accordingly, there is a need to provide a new adjustable fastener that solves the above-mentioned problems.

Disclosure of utility model

The utility model solves the technical problem of providing an adjustable fastener.

In order to solve the above technical problems, the present utility model provides an adjustable fastener, comprising: the bottom plate, the bottom plate right side surface is connected with the slide through the connecting block, and insert in the middle of the slide and have ball screw, and ball screw upper and lower both ends are provided with two symmetrical fixed plates, the ball screw upper end is provided with first knob, slide left and right sides insert and have two symmetrical slide bars; the upper surface of the front end of the bottom plate is provided with two symmetrical groups of fixing blocks, the middle end of one group of fixing blocks is inserted with a bidirectional ball screw, and the left end of the bidirectional ball screw is provided with a second rotating handle; the two-way ball screw is characterized in that two groups of symmetrical ball screw sleeves are movably sleeved on the outer surface of the two-way ball screw, the upper surfaces of the two groups of ball screw sleeves are fixedly provided with adjusting plates, and the lower surface of one side of the adjusting plates, which is far away from the ball screw sleeves, is connected with a connecting frame through an adjusting block; the fastening component is arranged on the lower surface of the adjusting plate, and a workpiece is inserted into the middle end of the bottom plate.

As a further scheme of the utility model, the upper end of the ball screw movably penetrates through the first group of fixing plates, the lower end of the ball screw is rotatably connected with the second group of fixing plates, a threaded hole matched with the ball screw is formed in the middle end of the sliding plate, and the sliding plate is movably sleeved on the outer surface of the ball screw.

As a further scheme of the utility model, two symmetrical sliding bars are movably inserted at the left side and the right side of the sliding plate.

As a further scheme of the utility model, the left end of the bidirectional ball screw movably penetrates through the first group of fixed blocks, the right end of the bidirectional ball screw is rotatably connected with the second group of fixed blocks, and the two groups of ball screw sleeves are movably sleeved on the outer surface of the bidirectional ball screw.

As a further scheme of the utility model, the upper surface of the connecting frame is provided with a sliding block, and the lower end of the adjusting block is provided with a sliding groove matched with the sliding block.

As a further aspect of the utility model, the fastening assembly comprises a receiving block, a connecting rod, a clamping plate,

The spring and slider, regulating plate lower surface is provided with two sets of blocks of accepting of symmetry, and is provided with the connecting rod between two sets of blocks of accepting to connecting rod outer wall movable sleeve is equipped with splint, two sets of the one side that splint are close to each other is fixed to be provided with the spring, and the spring movable sleeve establishes the surface at the connecting rod.

As a further scheme of the utility model, the upper surface of the clamping plate is fixedly provided with a sliding block, the sliding block is in a T shape, and the upper surface of the adjusting plate is provided with a sliding groove matched with the sliding block.

Compared with the related art, the adjustable fastener provided by the utility model has the following beneficial effects:

1. According to the clamping device, the fastening component is arranged, when the volume of a workpiece clamped in the middle of the clamping plate changes along with the change of the processing temperature, if the volume of the workpiece expands due to the increase of the temperature, the clamping plate can slide to two sides of the connecting rod so as to stretch the spring, the fastening state of the workpiece is continuously maintained under the action of the elastic force of the spring, and therefore, the automatic adjustment of the fastening component is completed according to the change of the temperature, the problem that the clamping mechanism cannot change according to the change of the volume of shaft parts is solved, and the practicability of the device is improved.

2. According to the utility model, the sliding plate is arranged, when the clamping height is required to be adjusted, the first rotating handle can be rotated to drive the ball screw to rotate, so that the sliding plate is driven to slide along the sliding rod, and the height of a workpiece clamped by the fastening component is changed along with the movement of the sliding plate, so that the problem that the clamping height of the clamping component is difficult to adjust in the use process is solved.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a schematic top view of the overall structure of an adjustable fastener of the present utility model;

FIG. 2 is a schematic front view of the overall structure of an adjustable fastener of the present utility model;

FIG. 3 is a schematic view of an adjusting plate structure of an adjustable fastener of the present utility model;

FIG. 4 is a schematic view of a fastening assembly of an adjustable fastener according to the present utility model.

In the figure: 1. a bottom plate; 2. a connecting block; 3. a slide plate; 4. a ball screw; 5. a fixing plate; 6. a first rotating handle; 7. a slide bar; 8. a fixed block; 9. a two-way ball screw; 10. a second rotating handle; 11. a ball screw sleeve; 12. an adjusting plate; 13. an adjusting block; 14. a connecting frame; 15. a fastening assembly; 151. a receiving block; 152. a connecting rod; 153. clamping blocks; 154. a spring; 155. a slide block; 16. a workpiece.

Detailed Description

Referring to fig. 1, fig. 2, fig. 3, and fig. 4 in combination, fig. 1 is a schematic top view illustrating an overall structure of an adjustable fastener according to the present utility model; FIG. 2 is a schematic front view of the overall structure of an adjustable fastener of the present utility model; FIG. 3 is a schematic view of an adjusting plate structure of an adjustable fastener of the present utility model; FIG. 4 is a schematic view of a fastening assembly of an adjustable fastener according to the present utility model. An adjustable fastener, comprising: the bottom plate 1, the right side surface of the bottom plate 1 is connected with a sliding plate 3 through a connecting block 2, a ball screw 4 is inserted in the middle of the sliding plate 3, two symmetrical fixed plates 5 are arranged at the upper end and the lower end of the ball screw 4, a first rotating handle 6 is arranged at the upper end of the ball screw 4, and two symmetrical sliding rods 7 are inserted at the left side and the right side of the sliding plate 3; the upper surface of the front end of the bottom plate 1 is provided with two symmetrical groups of fixing blocks 8, the middle end of one group of fixing blocks 8 is inserted with a bidirectional ball screw 9, and the left end of the bidirectional ball screw 9 is provided with a second rotating handle 10; the two-way ball screw 9 is movably sleeved with two groups of symmetrical ball screw sleeves 11 on the outer surface of the ball screw sleeve 11, the upper surfaces of the two groups of ball screw sleeves 11 are fixedly provided with adjusting plates 12, and the lower surface of one side of the adjusting plates 12, which is far away from the ball screw sleeves 11, is connected with a connecting frame 14 through an adjusting block 13; the fastening component 15, the lower surface of the adjusting plate 12 is provided with the fastening component 15, and the middle end of the bottom plate 1 is inserted with a workpiece 16.

Preferably, the upper end of the ball screw 4 movably passes through the first group of fixing plates 5, the lower end of the ball screw 4 and the second group of fixing plates 5 form rotary connection, a threaded hole matched with the ball screw 4 is formed in the middle end of the sliding plate 3, the sliding plate 3 is movably sleeved on the outer surface of the ball screw 4, the first rotating handle 6 is rotated to drive the ball screw 4 to rotate, and the threaded hole matched with the ball screw 4 is formed in the middle end of the sliding plate 3, so that the sliding plate 3 can be driven to move up and down along the sliding rod 7, and the height of a workpiece 16 clamped by the fastening assembly 15 can be adjusted.

Preferably, two symmetrical groups of sliding rods 7 are movably inserted at the left side and the right side of the sliding plate 3, and the sliding plate 3 can slide along the sliding rods 7 in the adjusting process.

Preferably, the left end of the bidirectional ball screw 9 movably passes through the first group of fixing blocks 8, the right end of the bidirectional ball screw 9 and the second group of fixing blocks 8 form rotary connection, the two groups of ball screw sleeves 11 are movably sleeved on the outer surface of the bidirectional ball screw 9, the second rotating handle 10 is rotated to drive the bidirectional ball screw 9 to rotate, so that the two groups of ball screw sleeves 11 are driven to be close to or far away from each other, and the relative positions of the two groups of fastening components 15 are adjusted according to the volume of the clamped workpiece 16.

Preferably, the upper surface of the connecting frame 14 is provided with a sliding block, the lower end of the adjusting block 13 is provided with a sliding groove matched with the sliding block, the adjusting plate 12 is changed along with the position change of the two groups of fastening components 15, and in the moving process of the two groups of adjusting plates 12, the adjusting block 13 slides along the upper surface of the connecting frame 14, so that the moving process of the adjusting plate 12 is more stable.

Preferably, the fastening assembly 15 comprises two groups of bearing blocks 151, a connecting rod 152, clamping plates 153, springs 154 and sliding blocks 155, wherein the lower surface of the adjusting plate 12 is provided with two groups of symmetrical bearing blocks 151, the connecting rod 152 is arranged between the two groups of bearing blocks 151, the clamping plates 153 are movably sleeved on the outer wall of the connecting rod 152, the springs 154 are fixedly arranged on one surfaces, close to each other, of the two groups of clamping plates 153, the springs 154 are movably sleeved on the outer surface of the connecting rod 152, a workpiece 16 to be clamped is placed between the clamping plates 153, the relative positions of the clamping plates 153 are adjusted, and the workpiece 16 is fastened by matching with the elasticity of the springs 154.

Preferably, the upper surface of the clamping plate 153 is fixedly provided with a sliding block 155, the sliding block 155 is in a T shape, the upper surface of the adjusting plate 12 is provided with a sliding groove matched with the sliding block 155, and when the volume relative position of the two groups of clamping plates 153 changes along with the clamped workpiece 16, the sliding block 155 arranged on the upper surface of the clamping plate 153 slides along the upper surface of the adjusting plate 12.

The working principle of the adjustable fastener provided by the utility model is as follows:

the workpiece 16 to be clamped is placed between the four groups of clamping plates 153, then the relative positions between the clamping plates 153 are adjusted to fasten the workpiece 16, when the clamping height is required to be adjusted, the first rotating handle 6 can be rotated to drive the ball screw 4 to rotate, so that the sliding plate 3 is driven to slide along the sliding rod 7, the height of the workpiece 16 clamped by the fastening assembly 15 is changed along with the movement of the sliding plate 3, when the volume of the workpiece 16 clamped in the middle of the clamping plates 153 is changed along with the change of the processing temperature, if the volume of the workpiece 16 is increased, the clamping plates 153 can slide to the two sides of the connecting rod 152 to stretch the springs 154, the fastening state of the workpiece 16 is continuously maintained under the action of the elastic force of the springs 154, and therefore the automatic adjustment of the fastening assembly 15 is completed according to the change of the temperature.

It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents, and in other related technical fields, which are equally encompassed by the scope of the present utility model.

Claims

1. An adjustable fastener, comprising:

The device comprises a bottom plate (1), wherein the right side surface of the bottom plate (1) is connected with a sliding plate (3) through a connecting block (2), a ball screw (4) is inserted in the middle of the sliding plate (3), two symmetrical fixing plates (5) are arranged at the upper end and the lower end of the ball screw (4), a first rotating handle (6) is arranged at the upper end of the ball screw (4), and two symmetrical sliding rods (7) are inserted at the left side and the right side of the sliding plate (3);

The fixing blocks (8), wherein two groups of symmetrical fixing blocks (8) are arranged on the upper surface of the front end of the bottom plate (1), a bidirectional ball screw (9) is inserted into the middle end of one group of fixing blocks (8), and a second rotating handle (10) is arranged at the left end of the bidirectional ball screw (9);

The two-way ball screw (9) is characterized in that two groups of symmetrical ball screw sleeves (11) are movably sleeved on the outer surface of the ball screw (11), an adjusting plate (12) is fixedly arranged on the upper surfaces of the two groups of ball screw sleeves (11), and a connecting frame (14) is connected to the lower surface of one side, far away from the ball screw sleeves (11), of the adjusting plate (12) through an adjusting block (13);

The fastening assembly (15) is arranged on the lower surface of the adjusting plate (12), the fastening assembly (15) is arranged on the lower surface of the adjusting plate, and a workpiece (16) is inserted into the middle end of the bottom plate (1).

2. An adjustable fastener as claimed in claim 1 wherein: the ball screw (4) upper end activity passes first group fixed plate (5), ball screw (4) lower extreme and second group fixed plate (5) are constituteed and are rotated and are connected, screw hole with ball screw (4) matched with is seted up to slide (3) middle-end, slide (3) movable sleeve is established at the surface of ball screw (4).

3. An adjustable fastener as claimed in claim 1 wherein: two symmetrical groups of sliding rods (7) are movably inserted into the left side and the right side of the sliding plate (3).

4. An adjustable fastener according to claim 3, wherein: the left end of the bidirectional ball screw (9) movably penetrates through the first group of fixing blocks (8), the right end of the bidirectional ball screw (9) is rotationally connected with the second group of fixing blocks (8), and the two groups of ball screw sleeves (11) are movably sleeved on the outer surface of the bidirectional ball screw (9).

5. An adjustable fastener as claimed in claim 4 wherein: the upper surface of the connecting frame (14) is provided with a sliding block, and the lower end of the adjusting block (13) is provided with a sliding groove matched with the sliding block.

6. An adjustable fastener as claimed in claim 5 wherein: the fastening component (15) comprises a bearing block (151), a connecting rod (152), a clamping plate (153),

Spring (154) and slider (155), regulating plate (12) lower surface is provided with two sets of accepting piece (151) of symmetry, and is provided with connecting rod (152) between two sets of accepting piece (151) to connecting rod (152) outer wall movable sleeve is equipped with splint (153), two sets of the fixed spring (154) that are provided with in one side that splint (153) are close to each other, and spring (154) movable sleeve establish the surface at connecting rod (152).

7. An adjustable fastener as claimed in claim 6 wherein: the upper surface of the clamping plate (153) is fixedly provided with a sliding block (155), the sliding block (155) is in a T shape, and the upper surface of the adjusting plate (12) is provided with a sliding groove matched with the sliding block (155).