Electric thread detection machine

Abstract

The utility model discloses an electric thread detection machine which comprises a machine body, a chuck is rotatably arranged on the machine body, the chuck is arranged on the side face of the machine body, a fixing frame is arranged on the machine body and located on the same side of the chuck, a through hole is formed in the middle of the fixing frame, and two supporting rods are arranged on the machine body in a penetrating mode. The fixing frame is fixed to the supporting rod, a fixing hole used for fixing a workpiece is formed in the fixing frame, and a limiting ring is arranged on the side, away from the chuck, of the machine body on the supporting rod. The fixing frame is arranged on the machine body through the supporting rod, and the maximum distance of the supporting rod extending towards one side of the fixing frame can be adjusted through the limiting ring, so that the distance of the fixing frame relative to the chuck can be adjusted, the clamping device can be suitable for clamping of longer workpieces and thread precision detection operation, and the applicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to thread precision detection technical field especially relates to a kind of electric thread detection machine. BACKGROUND

[0002] The common connection between two workpieces is threaded connection, and the precision of thread greatly affects the connection stability of two workpieces. The applicant has previously applied for a utility model patent with publication number CN220751013U, which discloses a thread precision detection machine. In use, the chuck can be used to hold a workpiece with a male thread (usually a screw rod). Then, a larger workpiece (usually a piece with an internal thread) is placed on the crossbar. The chuck is driven by the motor to rotate in forward and reverse directions, which drives the workpiece to rotate and perform thread-in and thread-out actions with the larger workpiece. The thread precision is determined based on the fitting condition of the two workpieces (if the thread precision is poor, noise will be generated). In actual use, there are often cases where the workpiece needs to be clamped for a long time. However, the distance between the crossbar and the chuck in the above-mentioned application is not easy to adjust, so it is not possible to clamp the long workpiece with the chuck to perform thread fitting, and there is room for optimization. SUMMARY

[0003] The utility model aims to avoid the shortcomings of the prior art and provide an electric thread detection machine to effectively solve the shortcomings in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of an electric thread detection machine, which includes a machine body. A chuck is rotatably arranged on the machine body. The chuck is arranged on the side of the machine body. A fixed frame is arranged on the same side of the machine body as the chuck. A through hole is arranged in the middle of the fixed frame. Two support rods are arranged through the machine body. The fixed frame is fixed on the support rods. A fixing hole for fixing a workpiece is arranged on the fixed frame. A limiting ring is arranged on the side of the support rods away from the chuck.

[0005] Further, the limiting ring is movably arranged on the support rods.

[0006] Further, the limiting ring is provided with a clamping member.

[0007] Further, the clamping member includes a "C"-shaped clamping hoop that is sleeved on the limiting ring. Two movable ends of the clamping hoop are provided with clamping columns. The inner side of the clamping column is a flat surface, and the outer side of the clamping column is an arc surface. A hook is arranged on the top of the outer side of the clamping column. A rotating plate is arranged on the outer side of the two clamping columns. A sleeve hole is arranged on the rotating plate, which can be sleeved on the two clamping columns. Extension grooves are arranged on both sides of the sleeve hole.

[0008] Further, the two sides of the rotating plate are provided with a lever.

[0009] Further, the support rod is provided with an elastic member between the machine body and the fixing frame.

[0010] Further, the machine body is provided with a cross rail parallel to the support rod, and two proximity switches are arranged on the cross rail.

[0011] Further, the proximity switches are arranged on the cross rail through a moving seat, and the moving seat is fixed on the cross rail through a screw.

[0012] The above technical scheme of the utility model has the following beneficial effects: the fixing frame is arranged on the machine body through the support rod, the maximum distance of the support rod extending to one side of the fixing frame can be adjusted through the limiting ring, the distance of the fixing frame relative to the chuck can be adjusted, the clamping and thread precision detection operation of longer workpieces can be adapted, and the applicability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic view of the utility model embodiment;

[0014] Figure 2 It is a three-dimensional schematic view of the utility model embodiment limiting ring;

[0015] Figure 3 It is Figure 2 It is an enlarged view of A in the middle. DETAILED DESCRIPTION

[0016] The preferred detailed description of the embodiment of the utility model is made in combination with the drawings and the embodiment. The following embodiment is used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0017] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "rear end", "front end", "head", "tail" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, it is necessary to explain that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0018] As Figures 1-3As shown, the electric thread detection machine of the embodiment comprises a machine body 1, a chuck 2 rotatably arranged on the machine body 1, the chuck 2 being arranged on the side of the machine body 1, a fixed frame 3 being arranged on the same side of the machine body 1 as the chuck 2, a through hole 4 being arranged in the middle of the fixed frame 3, two support rods 5 being arranged on the machine body 1 and penetrating through the machine body 1, the fixed frame 3 being fixed on the support rods 5, a fixing hole 6 for fixing a workpiece being arranged on the fixed frame 3, a limiting ring 7 being arranged on the support rods 5 and away from the chuck 2 on the machine body 1; a motor for driving the chuck 2 to rotate is arranged in the machine body 1 (not shown in the figure), in use, a small workpiece (mostly cylindrical and with external threads) can be clamped by the chuck 2, then a large workpiece is fixed at the fixing hole 6 of the fixed frame 3, the chuck 2 drives the small workpiece to rotate in a forward direction, the large workpiece and the fixed frame 3 are manually pushed close to the small workpiece on the chuck 2, so that the two workpieces are threadedly matched, the chuck 2 drives the small workpiece to rotate, so that the two workpieces are threadedly matched and precision detection is performed, after rotating to a certain extent, the motor drives the chuck 2 to rotate in a reverse direction (the worker can manually switch the rotating direction of the motor on the electronic screen), so that the two workpieces are gradually rotated out of engagement, wherein the limiting ring 7 can block the support rods 5 to prevent the support rods 5 from disengaging from the machine body 1, the limiting ring 7 can be fixed at different positions of the support rods 5, so as to adjust the maximum extension distance of the fixed frame 3 and the chuck 2, and the longer workpiece can be clamped and thread precision detection operation can be performed, and the applicability is strong;

[0019] Preferably, the limiting ring 7 is movably arranged on the support rod 5;

[0020] Preferably, the limiting ring 7 is arranged on the support rod 5;

[0021] Preferably, the clamping member comprises a "C"-shaped clamping hoop 8 sleeved on the limiting ring 7, two movable ends of the clamping hoop 8 are provided with clamping columns 9, the inner side of the clamping column 9 is a plane, the outer side of the clamping column 9 is an arc surface, the two clamping columns 9 can be in contact to form a cylindrical shape, the outer side top of the clamping column 9 is provided with a hook 10, the outer side of the two clamping columns 9 is provided with a rotating plate 11, the rotating plate 11 is provided with a sleeve hole 12 which can be sleeved on the two clamping columns 9, and the two sides of the sleeve hole 12 are provided with extension grooves 13; when the rotating plate 11 is perpendicular to the direction of the clamping hoop 8, the rotating plate 11 is sleeved on the two clamping columns 9 through the sleeve hole 12, the two clamping columns 9 can be clamped, so that the clamping hoop 8 clamps the limiting ring 7 and is fixed on the support rod 5; when the limiting ring 7 needs to be moved, the rotating plate 11 can be rotated to make the rotating plate 11 parallel to the clamping hoop 8, the extension grooves 13 are opened in the direction of the two sides of the clamping column 9, the clamping column 9 is expanded to the extension grooves 13, the clamping hoop 8 does not clamp the limiting ring 7, and the limiting ring 7 is conveniently moved on the support rod 5;

[0022] Preferably, the two sides of the rotating plate 11 are provided with a lever column 14, so as to facilitate the rotation of the rotating plate 11;

[0023] Preferably, the elastic member 15 is arranged on the support rod 5 between the body 1 and the fixing frame 3; the elastic member 15 is a spring, the spring supports the fixing frame 3, and the spring needs to be in a state of not being in contact with two workpieces when not being stressed; in use, the two workpieces can be in threaded cooperation by slightly compressing the spring, and after the threaded detection is rotated out, the two workpieces are out of contact, and the fixing frame 3 can be pushed out by the spring, thereby facilitating the two workpieces to be out of contact;

[0024] Preferably, the body 1 is provided with a cross rail 16 parallel to the support rod 5, the cross rail 16 is provided with two proximity switches 17, the fixing frame 3 is provided with a baffle 18 matched with the proximity switches 17, and the body 1 is provided with a PLC control module (not shown in the figure) connected with the proximity switches 17; the PLC control module controls the starting and rotating direction of the motor; in use, the fixing frame 3 is pushed by hand to approach the chuck 2, so that the two workpieces are close to each other; before the two workpieces are in contact, the baffle 18 reaches the first proximity switch 17 first to block, the first proximity switch 17 outputs a forward rotation signal to the PLC control module, the motor is controlled to rotate forward, then the fixing frame 3 is continuously pushed forward by hand until the two workpieces are in contact (at this time, the baffle 18 has been out of the triggering position of the first proximity switch 17, but the PLC control module has received the forward rotation signal, and the motor maintains forward rotation), the chuck 2 drives the small workpiece to rotate to cooperate with the large workpiece, and the large workpiece is gradually screwed in; when the baffle 18 gradually moves to the second proximity switch 17 to block, the baffle 18 is out of the first proximity switch 17, the second proximity switch 17 outputs a reverse rotation signal to the PLC control module, the motor is controlled to rotate reversely, the chuck 2 drives the small workpiece to rotate reversely, so that the large workpiece is gradually screwed out; at the moment of screwing out, the baffle 18 has not reached the position of the first proximity switch 17, so as to avoid that the baffle 18 triggers the forward rotation signal at the first proximity switch 17 again to screw the large workpiece in again; in the embodiment, after the large workpiece is screwed out, the large workpiece can be pushed out by the spring to be out of the small workpiece;

[0025] Preferably, the proximity switch 17 is arranged on the cross rail 16 through a moving seat, the moving seat is fixed on the cross rail 16 through a jacking screw (not shown in the figure), and the position of the proximity switch 17 can be adjusted to adapt to the cooperation position or threaded depth of different workpieces.

[0026] The embodiments of the utility model are given for the purpose of example and description, and are not exhaustive or limit the utility model to the disclosed forms. Many modifications and changes are obvious to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical application of the utility model, and to enable those skilled in the art to understand the utility model so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. An electric thread inspection machine comprising a machine body, a chuck rotatably arranged on the machine body, characterized in that: The chuck is arranged on the side of the machine body, a fixing frame is arranged on the same side of the machine body as the chuck, a through hole is arranged in the middle of the fixing frame, two support rods are arranged through the machine body, the fixing frame is fixed on the support rods, fixing holes for fixing workpieces are arranged on the fixing frame, and a limiting ring is arranged on the side of the support rods away from the machine body.

2. The electric thread inspection machine according to claim 1, characterized in that: The limiting ring is movably arranged on the support rods.

3. A motorized thread detection machine according to claim 2, characterized in that: A clamping piece is arranged on the limiting ring.

4. The electric thread inspection machine according to claim 3, characterized in that: The clamping piece comprises a "C"-shaped clamping hoop sleeved on the limiting ring, two movable ends of the clamping hoop are provided with clamping columns, the inner side of the clamping column is a plane, the outer side of the clamping column is an arc surface, a hook is arranged on the top of the outer side of the clamping column, the outer sides of the two clamping columns are provided with rotating plates, the rotating plates are provided with sleeve holes that can be sleeved on the two clamping columns, and extension grooves are arranged on both sides of the sleeve holes.

5. An electric thread testing machine according to claim 4, characterized in that: Two pulling columns are arranged on both sides of the rotating plate.

6. The electric thread inspection machine of claim 1, wherein: An elastic piece is arranged on the support rods between the machine body and the fixing frame.

7. The electric thread inspection machine of claim 1, wherein: A cross rail parallel to the support rods is arranged on the machine body, two proximity switches are arranged on the cross rail, and a baffle is arranged on the fixing frame to cooperate with the proximity switches.

8. A motorized thread inspection machine according to claim 7, characterized in that: The proximity switches are arranged on the cross rail through a moving seat, and the moving seat is fixed on the cross rail through a screw.

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