CN215064975U

CN215064975U - Screw torque force testing machine with protection device capable of automatically shutting down

Info

Publication number: CN215064975U
Application number: CN202121483392.3U
Authority: CN
Inventors: 阮思茵
Original assignee: Zhuhai Special Economic Zone Huakai Industry And Trade Co ltd
Current assignee: Zhuhai Special Economic Zone Huakai Industry And Trade Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-07
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a screw torsion test machine with a protection device and capable of automatically shutting down, which comprises a machine base and a control system for controlling the work of equipment, wherein the fixed frame is provided with the protection device, the fixed arc-shaped block is provided with a detection device for detecting the movement of the movable arc-shaped block, the detection device is in communication connection with the control system and can cut off the work of the control system, the fixed arc-shaped block, the movable arc-shaped block, an elastic component and a detection device are arranged on the fixed frame, the screw is subjected to torsion test by an electric screwdriver, the electric screwdriver is arranged in the range of the outer wall surface of the movable arc-shaped block, so that when foreign matters happen accidentally on the machine base, the movable arc-shaped block firstly collides with the foreign matters, when the movable arc-shaped block moves, the detection device can detect, the detection device transmits signals to the control system and cuts off the work of the control system, the equipment is automatically shut down, the safety of the electric screwdriver and the equipment is guaranteed, and the electric screwdriver is prevented from being damaged.

Description

Screw torque force testing machine with protection device capable of automatically shutting down

Technical Field

The utility model relates to a screw production technical field especially relates to a screw torque force test machine with protection device can shut down automatically.

Background

The screw is a tool for fastening machine parts of the object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, the screw is a general term of a fastener, and the screw is an indispensable industrial necessity in daily life in a daily oral language: extremely small screws used for cameras, glasses, clocks, electronics, and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; the screw is used by large and small screws in combination, has an important task in industry, and has an important function all the time as long as the industry exists on the earth, so that the screw is a common invention in production and life of people for thousands of years, and is the first invention of human beings according to the application field.

When the torsion is detected by the screw, a torsion detector is needed, but the conventional torsion detector is not provided with a protection device, and when foreign matters appear on a detection workbench, the torsion detector can collide with the foreign matters during working, so that the torsion detector is damaged and loses; therefore, there is a need for a torque detector with a protection device that can automatically shut down when the torque detector collides with a foreign object.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a but be equipped with the screw torsion test machine of automatic shutdown of protection device to solve above-mentioned background art's problem.

In order to achieve the above purpose, the utility model adopts the following scheme: a screw torsion testing machine with a protection device and capable of automatically shutting down comprises a machine base and a control system for controlling the work of equipment, wherein longitudinal guide plates are fixedly arranged on the left side and the right side of the upper surface of the machine base, sliding panels are arranged on the longitudinal guide plates in a front-back sliding mode and used for placing a workpiece matched with a screw to be tested, stand columns are arranged on the left side and the right side of the machine base, a transverse guide plate is connected between the two stand columns, driving blocks are arranged on the transverse guide plates in a left-right sliding mode, a fixing frame is arranged at the front ends of the driving blocks, an electric screwdriver used for testing the torsion of the screw is installed on the fixing frame, the protection device is arranged on the fixing frame and comprises a fixed arc-shaped block arranged on the front side of the fixing frame, and a movable arc-shaped block is movably connected to the front side of the fixed arc-shaped block through an elastic assembly, the fixed arc-shaped block is provided with a detection device for detecting the movement of the movable arc-shaped block, and the detection device is in communication connection with the control system and can cut off the work of the control system.

Furthermore, the elastic component comprises a plurality of springs, and the springs are arranged along an arc shape and sequentially attached between the fixed arc-shaped block and the movable arc-shaped block.

Furthermore, fixed plates are arranged at the upper and lower intervals of the front end of the fixed arc-shaped block, guide plates are arranged at the upper and lower intervals of the rear end of the movable arc-shaped block, and the two guide plates are arranged between the two fixed plates in a sliding mode.

Furthermore, the detection device comprises a photoelectric switch arranged on the fixing frame, a through hole is formed in the fixing plate at the upper end, and a detection head of the photoelectric switch is arranged in the through hole and used for detecting whether the guide plate is in a moving state or not.

Furthermore, a clamping mechanism for clamping the workpiece is arranged on the sliding panel.

Furthermore, the clamping mechanism comprises supporting blocks arranged on two sides of the sliding panel at intervals, a plurality of through round holes are formed in one side of each supporting block at the front and back intervals, positioning rods horizontally penetrate through the through round holes, and locking assemblies capable of locking the positioning rods are further arranged on the supporting blocks.

Furthermore, the locking assembly comprises a longitudinal sliding groove which is arranged on the supporting block and communicated with the through round hole, a pressing block which can press the positioning rod is arranged in the longitudinal sliding groove in a vertically sliding mode, a bolt is connected to the upper end of the supporting block in a threaded mode, and the tail end of the bolt can tightly support the pressing block.

Furthermore, a cotton block is arranged at the inner end of the positioning rod.

To sum up, the utility model discloses for its beneficial effect of prior art is: be equipped with fixed arc piece on the mount, remove the arc piece, elastic component and detection device, carry out torsion test to the screw through electric screwdriver, in addition, electric screwdriver sets up in the within range of the outer wall that removes the arc piece, thereby when the foreign matter appears in the accident on the frame, it collides the foreign matter at first to remove the arc piece, when removing the arc piece and removing, detection device can detect, give control system through detection device transfer signal, and cut off control system work, make equipment auto-shutdown, ensure the safety of electric screwdriver and equipment, avoid electric screwdriver's damage.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic view of a partial cross section of the detecting device of the present invention.

Fig. 4 is a schematic partial sectional view of the clamping mechanism of the present invention.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The invention is further described in the following figures and embodiments: as shown in fig. 1 to 4, a screw torque testing machine with a protection device capable of automatically shutting down includes a machine base 1 and a control system for controlling the operation of the machine, wherein longitudinal guide plates 2 are fixedly disposed on both left and right sides of an upper surface of the machine base 1, a sliding panel 3 is slid on the longitudinal guide plates 2 in a front-back direction, the sliding panel 3 is used for placing a workpiece matched with a screw to be tested, vertical columns 4 are disposed on both left and right sides of the machine base 1, a transverse guide plate 5 is connected between the two vertical columns 4, a driving block 6 is slid on the transverse guide plate 5 in a left-right direction, a fixing frame 7 is disposed at a front end of the driving block 6, an electric screwdriver 8 for testing screw torque is mounted on the fixing frame 7, and the structure thereof is the same as that of a screw locking machine in the prior art, and is not described herein; the protection device is arranged on the fixed frame 7 and comprises a fixed arc-shaped block 9 arranged on the front side of the fixed frame 7, a movable arc-shaped block 10 is movably connected to the front side of the fixed arc-shaped block 9 through an elastic assembly, a detection device used for detecting the movement of the movable arc-shaped block 10 is arranged on the fixed arc-shaped block 9, the detection device is in communication connection with the control system and can cut off the work of the control system, the fixed arc-shaped block 9, the movable arc-shaped block 10, the elastic assembly and the detection device are arranged on the fixed frame 7, the torsion of the screw is tested through the electric screwdriver 8, and the torsion of the electric screwdriver 8 is adjusted, so that the torsion of the screw can be tested; in addition, the electric screwdriver 8 is arranged in the range of the outer wall surface of the movable arc-shaped block 10, so that when foreign matters happen accidentally on the base 1, the movable arc-shaped block 10 collides with the foreign matters firstly, when the movable arc-shaped block 10 moves, the detection device can detect the foreign matters, signals are transmitted to the control system through the detection device, the control system is cut off, the equipment is automatically shut down, the safety of the electric screwdriver 8 and the equipment is guaranteed, and the electric screwdriver 8 is prevented from being damaged.

Referring to fig. 3, the elastic assembly includes a plurality of springs 21, the plurality of springs 21 are arranged along an arc shape and sequentially attached between the fixed arc block 9 and the movable arc block 10, fixed plates 31 are arranged at the front end of the fixed arc block 9 at intervals from top to bottom, guide plates 32 are arranged at the rear end of the movable arc block 10 at intervals from top to bottom, and the two guide plates 32 are slidably disposed between the two fixed plates 31. The detection device comprises a photoelectric switch 41 arranged on the fixing frame 7, a through hole 42 is formed in the fixing plate 31 at the upper end, a detection head of the photoelectric switch 41 is arranged in the through hole 42 and used for detecting whether the guide plate 32 is in a moving state or not, when the moving arc block 10 collides with a foreign body, the moving arc block 10 drives the guide plate 32 to move, so that the guide plate 32 shields light, the movement of the moving arc block 10 is detected, the work of a control system is cut off, and the device can be automatically shut down.

Referring to fig. 1, 2 and 4, a clamping mechanism for clamping a workpiece is arranged on the sliding panel 3, the clamping mechanism includes supporting blocks 61 arranged at two sides of the sliding panel 3 at intervals, a plurality of through round holes 63 are arranged at intervals in the front and back of one side of the supporting block 61, a positioning rod 62 horizontally penetrates through the through round holes 63, a locking assembly capable of locking the positioning rod 62 is further arranged on the supporting block 61, the locking assembly includes a longitudinal sliding groove 71 arranged on the supporting block 61 and communicated with the through round holes 63, a pressing block 72 capable of pressing the positioning rod 62 is vertically slid in the longitudinal sliding groove 71, a bolt 73 is connected to the upper end of the supporting block 61 through a thread, the tail end of the bolt 73 can abut against the pressing block 72, a cotton block is arranged at the inner end of the positioning rod 62, and the workpiece to be screwed is placed on the sliding panel 3, the positioning rods 62 at the left end and the right end move and tightly push the workpiece, the pressing block 72 tightly presses the positioning rods 62, the screws 73 are locked, and the positioning rods 62 can be locked, so that the workpiece can be locked.

In combination with the basic principles and main features of the present invention and the advantages of the present invention as shown and described above, those skilled in the art should understand that the present invention is not limited by the above embodiments, and only the description in the above embodiments and the description illustrates the principles of the present invention without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a but screw torque force test machine with protection device auto-off which characterized in that: the device comprises a machine base (1) and a control system for controlling the work of equipment, wherein longitudinal guide plates (2) are fixedly arranged on the left side and the right side of the upper surface of the machine base (1), sliding panels (3) slide on the longitudinal guide plates (2) in the front and back direction, the sliding panels (3) are used for placing workpieces matched with screws to be tested, stand columns (4) are arranged on the left side and the right side of the machine base (1), a transverse guide plate (5) is connected between the two stand columns (4), a driving block (6) slides on the transverse guide plate (5) in the left and right direction, a fixing frame (7) is arranged at the front end of the driving block (6), an electric screwdriver (8) used for testing the torque force of the screws is installed on the fixing frame (7), a protection device is arranged on the fixing frame (7), and comprises a fixing arc-shaped block (9) arranged on the front side of the fixing frame (7), the fixed arc-shaped block (9) front side is connected with a movable arc-shaped block (10) through an elastic assembly, a detection device used for detecting the movement of the movable arc-shaped block (10) is arranged on the fixed arc-shaped block (9), the detection device is in communication connection with a control system, and the work of the control system can be cut off.

2. The screw torque tester with a protection device capable of automatically turning off according to claim 1, wherein: the elastic component comprises a plurality of springs (21), and the springs (21) are arranged along an arc shape and sequentially attached between the fixed arc-shaped block (9) and the movable arc-shaped block (10).

3. The screw torque tester with a protection device capable of automatically turning off according to claim 1, wherein: the fixing plates (31) are arranged at the front ends of the fixing arc-shaped blocks (9) at intervals from top to bottom, the guide plates (32) are arranged at the rear ends of the moving arc-shaped blocks (10) at intervals from top to bottom, and the two guide plates (32) are arranged between the two fixing plates (31) in a sliding mode.

4. The screw torque tester with a protection device capable of automatically turning off according to claim 3, wherein: the detection device comprises a photoelectric switch (41) arranged on the fixing frame (7), a through hole (42) is formed in the fixing plate (31) at the upper end, and a detection head of the photoelectric switch (41) is arranged in the through hole (42) and used for detecting whether the guide plate (32) is in a moving state or not.

5. The screw torque tester with a protection device capable of automatically turning off according to claim 1, wherein: and a clamping mechanism for clamping the workpiece is arranged on the sliding panel (3).

6. The screw torque tester with a protection device capable of automatically turning off according to claim 5, wherein: the clamping mechanism comprises supporting blocks (61) which are arranged on two sides of the sliding panel (3) at intervals, a plurality of through round holes (63) are arranged on one side of each supporting block (61) at the front and back intervals, positioning rods (62) are horizontally arranged in the through round holes (63) in a penetrating mode, and locking assemblies capable of locking the positioning rods (62) are further arranged on the supporting blocks (61).

7. The screw torque tester with a protection device capable of automatically turning off according to claim 6, wherein: the locking assembly comprises a longitudinal sliding groove (71) which is arranged on the supporting block (61) and communicated with the through round hole (63), a pressing block (72) capable of pressing the positioning rod (62) is arranged in the longitudinal sliding groove (71) in a sliding mode, a bolt (73) is connected to the upper end of the supporting block (61) in a threaded mode, and the tail end of the bolt (73) can tightly push the pressing block (72).

8. The screw torque tester with a protection device capable of automatically turning off according to claim 6, wherein: the inner end of the positioning rod (62) is provided with a cotton block.