Lead rod clamping device

Abstract

The utility model discloses a lead rod clamping device, which belongs to the technical field of lead rod clamping and comprises a fixed frame and a movable frame arranged at the bottom end of the fixed frame in a sliding mode, a driving mechanism used for driving a sliding frame to move transversely is embedded in the fixed frame, the sliding frame is fixed at the top end of the movable frame, and the movable frame is fixed at the bottom end of the movable frame. A fastening head is fixed to one end of the movable frame, a first motor is installed at the other end of the movable frame, a driving shaft is embedded in the movable frame, an axial positioning mechanism is arranged between the driving shaft and the fastening head, and the end, extending into the fastening head, of the driving shaft is fixedly sleeved with a gear; according to the lead rod clamping device, the lead rod main body can be conveniently fixed from the inner wall of one side of the lead rod main body, the clamping stability of the lead rod is improved, and the situation that the extrusion rods are loosened due to the fact that the axial positioning force is insufficient after the first motor rotates is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of lead rod clamping, and particularly relates to a lead rod clamping device. Background Art

[0002] Conical lead rods are the most important tools for sealing radiation-resistant walls and are widely used in neutron collider laboratories. However, the existing method of removing the lead rods using suction cups or mechanical claws has problems such as unstable clamping and inability to be flexibly adjusted.

[0003] The patent with application number 202420546015.7 discloses a lead rod clamping and unloading device, including a support frame; and a movable structure arranged on the support frame for conveying lead rods; a clamping structure arranged on the movable structure for clamping the lead rods; a fixed structure arranged on the clamping structure for fixing the lead rods; a conveying platform located on one side of the support frame for conveying lead rods; a holding frame located on one side of the conveying platform for holding lead rods; the fixed structure includes a rotating shaft, a support plate and a fixed plate, the rotating shaft is arranged on the clamping structure, and the support plate is connected to the rotating shaft.

[0004] The above technical solution increases the contact area and friction with the lead rod by setting a fixed plate. However, since the fixed plate is set horizontally, for the lead rod with a conical external structure, the contact area between the fixed plate and the outer wall of the lead rod is too small, resulting in the problem of unstable clamping. Utility Model Content

[0005] (1) Technical problems to be solved

[0006] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a lead rod clamping device, which aims to solve the technical problem of unstable clamping in the existing technology due to the various shapes of lead rods, such as square tubes and round tubes.

[0007] (2) Technical solution

[0008] In order to solve the above technical problems, the utility model provides a lead rod clamping device, which includes a fixed frame and a movable frame slidably arranged at the bottom end of the fixed frame, the fixed frame is embedded with a driving mechanism for driving the sliding frame to move horizontally, the top of the movable frame is fixed with a sliding frame, and a fastening head is fixed at one end of the movable frame, and a first motor is installed at the other end of the movable frame, wherein a driving shaft is embedded in the movable frame, an axial positioning mechanism is arranged between the driving shaft and the fastening head, and the driving shaft extends into one end of the fastening head and is fixedly sleeved with a gear, and both ends of the fastening head are slidably provided with extrusion rods meshing with both sides of the gear.

[0009] When using the present technical solution, a fastening head is provided on the movable frame, and the fastening head is inserted into the lead rod body. The first motor drives the driving shaft and the gear to rotate, and drives the two extrusion rods to move toward both sides of the fastening head during the rotation, so that the two extrusion rods respectively abut against the two sides of the inner wall of the lead rod body, thereby clamping the lead rod body, making it convenient to fix it from one side of the inner wall of the lead rod body, and improving the stability of the lead rod clamping; a hydraulic rod is embedded in the fastening head, and after the driving shaft rotates to make the extrusion rod abut against the inner wall of the lead rod body, the bottom of the hydraulic rod moves downward and abuts against the positioning groove on the outer wall of the positioning block, thereby positioning the fastening block axially, thereby avoiding the situation where the extrusion rod becomes loose due to insufficient axial positioning force of the first motor after rotation.

[0010] Preferably, a groove is formed at the bottom end of the fixing frame, and fixing seats are installed on both sides of the inner wall of the groove.

[0011] Furthermore, the driving mechanism includes a lead screw installed between two fixing seats and a second motor arranged on the side wall of the fixing seat, and the shaft of the second motor is fixedly connected to the lead screw.

[0012] Furthermore, slide rails are fixed on both sides of the bottom end surface of the fixed frame, and a slider engaged with the slide rails is fixed on the top end of the sliding frame.

[0013] Furthermore, a protrusion extending into the groove is provided at the center of the top surface of the sliding frame, and the lead screw is threadedly inserted into the protrusion at the top of the sliding frame.

[0014] Furthermore, one end of the drive shaft extending into the fastening head is fixedly sleeved with a positioning block, the outer wall of the positioning block is provided with a plurality of positioning grooves in a circular array, and a hydraulic rod tightly connected to the positioning groove is embedded in the fastening head.

[0015] Furthermore, both ends of the fastening head are provided with sliding grooves, the extrusion rod is slidably inserted in the sliding grooves, and the extrusion rod is protruding from the side wall of the fastening head.

[0016] Furthermore, a lead rod body is provided below the fixing frame, and the fastening head is embedded in the lead rod body.

[0017] (3) Beneficial effects

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] The utility model provides a fastening head on the movable frame, inserts the fastening head into the lead rod body, and the first motor drives the driving shaft and the gear to rotate, and drives the two extrusion rods to move toward the two sides of the fastening head during the rotation, so that the two extrusion rods respectively abut against the two sides of the inner wall of the lead rod body, thereby clamping the lead rod body, making it easier to fix it from one side of the inner wall of the lead rod body, and improving the stability of the lead rod clamping;

[0020] By embedding a hydraulic rod in the fastening head, the driving shaft rotates to make the extrusion rod abut against the inner wall of the lead rod body, and the bottom of the hydraulic rod moves downward and abuts against the positioning groove on the outer wall of the positioning block, thereby positioning the fastening block axially, avoiding the situation where the extrusion rod becomes loose due to insufficient axial positioning force after rotation of the first motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a structural diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0024] Figure 3 For this utility model Figure 2 A magnified schematic diagram of the structure at center A;

[0025] Figure 4 This is a schematic diagram of the interior of the fastening head of the present invention.

[0026] The marks in the accompanying drawings are: 1. fixed frame; 2. lead rod body; 3. movable frame; 4. first motor; 5. second motor; 6. sliding frame; 7. fastening head; 8. driving shaft; 9. slider; 10. slide rail; 11. fixed seat; 12. groove; 13. lead screw; 14. positioning block; 15. hydraulic rod; 16. positioning groove; 17. slide groove; 18. extrusion rod; 19. gear. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] This specific embodiment is a lead rod clamping device, and its structural diagram is as follows Figure 1 and Figure 2 As shown, the lead rod clamping device includes a fixed frame 1 and a movable frame 3 slidably arranged at the bottom end of the fixed frame 1, a driving mechanism for driving the sliding frame 6 to move horizontally is embedded in the fixed frame 1, a sliding frame 6 is fixed to the top of the movable frame 3, and a fastening head 7 is fixed at one end of the movable frame 3, and a first motor 4 is installed at the other end of the movable frame 3, wherein a driving shaft 8 is embedded in the movable frame 3, an axial positioning mechanism is provided between the driving shaft 8 and the fastening head 7, and one end of the driving shaft 8 extending into the fastening head 7 is fixedly sleeved with a gear 19, and both ends of the fastening head 7 are slidably provided with extrusion rods 18 meshing with both sides of the gear 19.

[0029] A groove 12 is provided at the bottom end of the fixed frame 1, and fixed seats 11 are installed on both sides of the inner wall of the groove 12. The driving mechanism includes a screw 13 installed between the two fixed seats 11 and a second motor 5 arranged on the side wall of the fixed seat 11. The shaft of the second motor 5 is fixedly connected to the screw 13. Slide rails 10 are fixed on both sides of the bottom end surface of the fixed frame 1. A slider 9 engaged with the slide rail 10 is fixed to the top of the sliding frame 6. The slider 9 is engaged with the slide rail 10 so that the sliding frame 6 remains stable during movement. A protrusion extending into the groove 12 is provided at the center position of the top surface of the sliding frame 6, and the screw 13 is threadedly inserted into the protrusion at the top end of the sliding frame 6. A lead rod body 2 is provided below the fixed frame 1, and the fastening head 7 is embedded in the lead rod body 2.

[0030] like Figure 3 and Figure 4 As shown, the driving shaft 8 extends into one end of the fastening head 7 and is fixedly sleeved with a positioning block 14. The outer wall of the positioning block 14 is provided with a plurality of positioning grooves 16 in a ring array. A hydraulic rod 15 tightly connected to the positioning groove 16 is embedded in the fastening head 7. Slide grooves 17 are provided at both ends of the fastening head 7. The extrusion rod 18 is slidably inserted in the slide groove 17, and the extrusion rod 18 is protruded on the side wall of the fastening head 7. After the driving shaft 8 rotates to make the extrusion rod 18 abut against the inner wall of the lead rod body 2, the bottom of the hydraulic rod 15 moves downward and abuts against the positioning groove 16 on the outer wall of the positioning block 14, thereby positioning the fastening block axially, thereby avoiding the situation where the extrusion rod 18 becomes loose due to insufficient axial positioning force after the first motor 4 rotates.

[0031] The cross-sectional structural diagram of the lead rod clamping device is as follows: Figure 2 As shown, its Figure 2 The enlarged schematic diagram of the structure at A is shown in Figure 3 As shown, the internal schematic diagram of the fastening head 7 is as shown Figure 4 shown.

[0032] Working principle: When using the device of the present technical solution, start the second motor 5 to drive the lead screw 13 to rotate, and during the rotation, the sliding frame 6 drives the movable frame 3 to fix the fastening head 7 and insert it into the lead rod body 2. Start the first motor 4 to drive the drive shaft 8 and the gear 19 to rotate, and during the rotation, drive the two extrusion rods 18 to move to both sides of the fastening head 7, so that the two extrusion rods 18 respectively abut against the two sides of the inner wall of the lead rod body 2, thereby clamping the lead rod body 2, so that it is convenient to fix it from one side of the inner wall of the lead rod body 2. After the drive shaft 8 rotates to make the extrusion rod 18 abut against the inner wall of the lead rod body 2, the bottom of the hydraulic rod 15 moves downward and abuts against the positioning groove 16 on the outer wall of the positioning block 14, positioning the fastening block axially, thereby avoiding the situation where the extrusion rod 18 becomes loose due to insufficient axial positioning force after rotation of the first motor 4.

[0033] All technical features in this embodiment can be freely combined according to actual needs.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A lead rod clamping device, comprising a fixed frame (1) and a movable frame (3) slidably arranged at the bottom end of the fixed frame (1), characterized in that: The fixed frame (1) is embedded with a driving mechanism for driving the sliding frame (6) to move horizontally, the sliding frame (6) is fixed to the top of the moving frame (3), and a fastening head (7) is fixed to one end of the moving frame (3), and a first motor (4) is installed at the other end of the moving frame (3), wherein a driving shaft (8) is embedded in the moving frame (3), an axial positioning mechanism is provided between the driving shaft (8) and the fastening head (7), and one end of the driving shaft (8) extending into the fastening head (7) is fixedly sleeved with a gear (19), and both ends of the fastening head (7) are slidably provided with extrusion rods (18) meshing with both sides of the gear (19).

2. A lead rod clamping device according to claim 1, characterized in that: A groove (12) is provided at the bottom end of the fixing frame (1), and fixing seats (11) are installed on both sides of the inner wall of the groove (12).

3. A lead rod clamping device according to claim 2, characterized in that: The driving mechanism comprises a lead screw (13) installed between two fixing seats (11) and a second motor (5) arranged on a side wall of the fixing seat (11); a shaft of the second motor (5) is fixedly connected to the lead screw (13).

4. A lead rod clamping device according to claim 3, characterized in that: Slide rails (10) are fixed on both sides of the bottom end surface of the fixed frame (1), and a slider (9) engaged with the slide rails (10) is fixed on the top end of the sliding frame (6).

5. A lead rod clamping device according to claim 4, characterized in that: A protrusion extending into the groove (12) is provided at the center of the top surface of the sliding frame (6), and the lead screw (13) is threadedly inserted into the protrusion at the top of the sliding frame (6).

6. A lead rod clamping device according to claim 1, characterized in that: One end of the drive shaft (8) extending into the fastening head (7) is fixedly sleeved with a positioning block (14), the outer wall of the positioning block (14) is provided with a plurality of positioning grooves (16) in a circular array, and a hydraulic rod (15) tightly connected to the positioning groove (16) is embedded in the fastening head (7).

7. A lead rod clamping device according to claim 1, characterized in that: Both ends of the fastening head (7) are provided with sliding grooves (17), the extrusion rod (18) is slidably inserted into the sliding grooves (17), and the extrusion rod (18) is protruding from the side wall of the fastening head (7).

8. The lead rod clamping device according to claim 1, characterized in that: A lead rod body (2) is provided below the fixing frame (1), and the fastening head (7) is embedded in the lead rod body (2).

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