Screw locking equipment for automobile battery pack

Abstract

The utility model belongs to the field of screw locking, and particularly relates to an automobile battery pack screw locking device which solves the problems that in the prior art, practicability is poor, and fixing is inconvenient. The automobile battery pack screw locking device comprises a base, the top of the base is fixedly connected with two supporting plates through bolts, and a sliding plate is jointly assembled on the two supporting plates in a sliding mode. A screwing shaft is rotatably mounted in the sliding plate, the bottom end of the screwing shaft is fixedly connected with a screw seat, a servo motor is mounted at the top of one supporting plate, the output end of the servo motor is connected with a lead screw through a coupler, and through arrangement of the screwing shaft, a driven shaft and other structures, when the sliding plate moves downwards, the screw seat is fixedly connected with the screw seat; due to meshing of a driving gear and a rack plate, rotation of a driving shaft is achieved, then rotation of a screwing shaft is achieved, in the downward moving process of a sliding plate, the screwing shaft drives a screw to rotate, locking of the screw in the descending process is achieved, and practicability is better.

Description

Technical Field

[0001] The utility model relates to the technical field of screw locking, in particular to a screw locking device for an automobile battery pack. Background Art

[0002] At present, an automotive battery pack refers to a battery group that provides electrical energy for a car or electric vehicle. It is usually composed of multiple single cells connected in series or in parallel. These single cells are connected together by cables or other connection methods to form a complete battery pack.

[0003] The prior art patent has a battery pack screw locking device with an authorization announcement number of CN218461446U. The patent discloses a battery pack screw locking device, including a handle, a handle cover, a battery, a cover plate, a connecting plate, a gear and other parts. The staff can operate the switch to power the electric pole and control its extension and retraction to move the locking plate to a suitable position, move the device to a narrow space, put the locking hole on the outside of the screw, and rotate the device with the locking hole as the center of the circle to tighten the screw. The patent facilitates the staff to tighten the screws in a narrow space;

[0004] However, this patent fixes the screw inside the sleeve, then starts the motor and uses manual pressing to lock the screw, which is less practical. During the operation, the battery pack needs to be held by hand to fix the battery pack, which is inconvenient.

[0005] The prior art has a battery pack screw locking device with an authorization announcement number of CN218747423U. The patent provides a battery pack screw locking device, including a frame, a Y-axis drive device, a stage device, a feeding device, an X-axis drive device, a Z-axis drive device and a locking device. The Y-axis drive device is fixed on the frame, the stage device includes a bottom plate, a rotating bracket, etc., which are fixed to the power output end of the Y-axis drive device, the feeding device corresponds to the side of the Y-axis drive device, the X-axis drive device is mounted above the Y-axis drive device, the Z-axis drive device is fixed to the power output end of the X-axis drive device, and the locking device corresponds to the top of the stage device. The patent can quickly and automatically lock the screws on the side of the battery pack to improve production efficiency;

[0006] However, this patent first fixes the battery pack on the carrier, and then locks the screws by rotating and lowering the screws, which is inconvenient. Utility Model Content

[0007] The utility model aims to provide a screw locking device for an automobile battery pack, which solves the problems of poor practicability and inconvenient fixing.

[0008] In order to solve the above technical problems, the utility model provides a car battery pack screw locking device, comprising a base, the top of the base is fixedly connected to two support plates by bolts, a sliding plate is slidably mounted on the two support plates, a screw shaft is rotatably mounted inside the sliding plate, and a screw seat is fixedly connected to the bottom end of the screw shaft, a servo motor is mounted on the top of one of the support plates, a lead screw is connected to the output end of the servo motor through a coupling, the sliding plate is threadedly sleeved on the outer circumference of the lead screw, an directional column is welded inside the other support plate, the sliding plate is slidably mounted on the outer circumference of the directional column, and a locking device is provided on the sliding plate and the support plate;

[0009] The locking device includes a support block, which is fixedly connected to the top of the sliding plate, a driving shaft is rotatably mounted on the support block, a driving bevel gear and a driving gear are fixedly sleeved on the outer circumference of the driving shaft, a driven shaft is rotatably mounted on the top of the sliding plate, a driven bevel gear is fixedly sleeved on the outer circumference of the driven shaft, a synchronous belt is commonly installed on the outer circumferences of the driven shaft and the twisting shaft, and a rack plate is welded inside one of the support plates.

[0010] Preferably, a placing table is slidably mounted on the top of the base, a clamping screw is rotatably mounted inside the placing table, two transmission plates are threadedly sleeved on the outer circumference of the clamping screw, and a clamping plate is fixedly connected to one side of the transmission plate.

[0011] Preferably, the support plate is provided with a slide groove, and the two ends of the sliding plate are respectively slidably connected inside the two slide grooves, and the slide groove makes the sliding of the sliding plate more stable.

[0012] Preferably, synchronous wheels are fixedly sleeved on the outer circumferences of the screwing shaft and the driven shaft, and the synchronous belts are jointly installed on the outer circumferences of the two synchronous wheels, so that the driven shaft and the screwing shaft rotate synchronously.

[0013] Preferably, the active bevel gear is meshed with the driven bevel gear, the driving gear is meshed with the rack plate, and the meshing of the active bevel gear and the driven bevel gear enables the active bevel gear to drive the driven bevel gear to rotate.

[0014] Preferably, threaded holes are provided on the two transmission plates, and the clamping screw is provided with a forward threaded portion and a reverse threaded portion. The forward threaded portion and the reverse threaded portion are respectively threadedly connected to the inside of the two threaded holes. The threaded holes enable the rotation of the clamping screw to drive the transmission plate to move.

[0015] Compared with the related art, the utility model has the following beneficial effects:

[0016] 1. The utility model adopts the arrangement of the screwing shaft, the driven shaft and other structures. When the sliding plate moves downward, the engagement of the driving gear and the rack plate realizes the rotation of the driving shaft, and then the rotation of the screwing shaft is realized. When the sliding plate moves downward, the screwing shaft drives the screw to rotate, and the screw is locked during the descent process, which has better practicality.

[0017] 2. The utility model arranges the clamping plate, the clamping screw and other structures, rotates the clamping screw, drives the transmission plate and the clamping plate to move, and is more convenient for clamping different battery packs, thereby ensuring the stability of the battery pack during the screw locking process and ensuring the normal operation of the work.

[0018] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is the front view of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the driving gear and rack plate of the utility model;

[0023] Figure 4 For the utility model Figure 2 Enlarged view of point A in the middle.

[0024] Numbers in the figure:

[0025] 1. Base; 2. Placement table; 3. Support plate; 4. Lead screw; 5. Sliding plate; 6. Screw seat; 7. Screw shaft;

[0026] 8. Locking device; 80. Support block; 81. Rack plate; 82. Driving shaft; 83. Driving bevel gear; 84. Driving gear; 85. Driven bevel gear; 86. Driven shaft; 87. Synchronous belt;

[0027] 9. Clamping screw; 10. Transmission plate; 11. Clamping plate; 12. Displacement screw; 13. Transmission block; 14. Turntable. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-4 A screw locking device for a car battery pack comprises a base 1, the top of the base 1 is fixedly connected to two support plates 3 by bolts, a sliding plate 5 is slidably mounted on the two support plates 3, a screw shaft 7 is rotatably mounted inside the sliding plate 5, a screw seat 6 is fixedly connected to the bottom end of the screw shaft 7, a servo motor is mounted on the top of one of the support plates 3, a lead screw 4 is connected to the output end of the servo motor through a coupling, the sliding plate 5 is threadedly sleeved on the outer circumference of the lead screw 4, an directional column is welded inside the other support plate 3, the sliding plate 5 is slidably mounted on the outer circumference of the directional column, a locking device 8 is jointly arranged on the sliding plate 5 and the support plate 3, the locking device 8 comprises a support block 80, the support block 80 is fixedly connected to the top of the sliding plate 5, and the support block 80 A driving shaft 82 is rotatably installed on the top, and a driving bevel gear 83 and a driving gear 84 are fixedly sleeved on the outer circumference of the driving shaft 82. A driven shaft 86 is rotatably installed on the top of the sliding plate 5, and a driven bevel gear 85 is fixedly sleeved on the outer circumference of the driven shaft 86. A synchronous belt 87 is jointly installed on the outer circumferences of the driven shaft 86 and the screwing shaft 7. A rack plate 81 is welded inside one of the support plates 3. Through the arrangement of the screwing shaft 7, the driven shaft 86 and other structures, when the sliding plate 5 moves downward, the driving shaft 82 is rotated due to the meshing of the driving gear 84 and the rack plate 81, and then the screwing shaft 7 is rotated. In the process of the sliding plate 5 moving downward, the screwing shaft 7 drives the screw to rotate, and the screw locking work is realized during the descent process, which is more practical.

[0030] See also Figure 1-2 A placing table 2 is slidably mounted on the top of the base 1, and a clamping screw 9 is rotatably mounted inside the placing table 2. Two transmission plates 10 are threadedly sleeved on the outer circumference of the clamping screw 9, and a clamping plate 11 is fixedly connected to one side of the transmission plate 10. By setting the clamping plate 11, the clamping screw 9 and other structures, the clamping screw 9 is rotated to drive the transmission plate 10 and the clamping plate 11 to move, which makes it more convenient to clamp different battery packs, thereby ensuring the stability of the battery pack during the screw locking process and ensuring the normal operation of the work.

[0031] See also Figure 1-4A slide groove is provided on the support plate 3, and the two ends of the sliding plate 5 are slidably connected to the inside of the two slide grooves respectively. Synchronous wheels are fixedly sleeved on the outer circumferences of the screw shaft 7 and the driven shaft 86, and the synchronous belt 87 is jointly installed on the outer circumferences of the two synchronous wheels. The active bevel gear 83 and the driven bevel gear 85 are meshed, and the driving gear 84 and the rack plate 81 are meshed. Threaded holes are provided on the two transmission plates 10, and a forward threaded portion and a reverse threaded portion are provided on the clamping screw 9. The forward threaded portion and the reverse threaded portion are respectively threadedly connected to the inside of the two threaded holes.

[0032] The specific implementation process of the utility model is as follows: the screw is fixedly connected to the screw seat 6, the battery pack is fixed on the placement table 2, the servo motor is started, and the lead screw 4 is driven to rotate, so that the sliding plate 5 moves. During the downward movement of the sliding plate 5, the driving shaft 82 rotates due to the meshing of the driving gear 84 and the rack plate 81, and the driving shaft 82 drives the driven shaft 86 to rotate due to the meshing of the driving bevel gear 83 and the driven bevel gear 85. The driven shaft 86 drives the screwing shaft 7 to rotate through the synchronous belt 87, and the screwing shaft 7 drives the screw seat 6 to rotate, so that the screw rotates during the downward movement of the sliding plate 5 to achieve the locking work of the screw;

[0033] Furthermore, the battery pack is placed on the placement table 2, and the clamping screw 9 is rotated. Due to the arrangement of the forward threaded portion and the reverse threaded portion, the two transmission plates 10 move relative to each other. The transmission plate 10 is restricted by the straight groove provided on the placement table 2 to make it move horizontally, so that the transmission plate 10 drives the clamping plate 11 to move relative to each other, thereby clamping the workpiece.

[0034] In addition, a transmission block 13 is installed at the bottom of the placement table 2, and a displacement screw 12 is rotatably installed inside the base 1. A square groove is opened on the base 1, and the transmission block 13 is threadedly sleeved on the outer circumference of the displacement screw 12. The turntable 14 on the displacement screw 12 is rotated to rotate the displacement screw 12, driving the transmission block 13 to move, thereby realizing the movement of the placement table 2 and realizing the screw locking work at different positions.

[0035] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A screw locking device for a car battery pack, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with two support plates (3) by bolts, and a sliding plate (5) is slidably mounted on the two support plates (3), a screw shaft (7) is rotatably mounted inside the sliding plate (5), and a screw seat (6) is fixedly connected to the bottom end of the screw shaft (7), a servo motor is mounted on the top of one of the support plates (3), and the output end of the servo motor is connected to a lead screw (4) through a coupling, and the sliding plate (5) is threadedly sleeved on the outer peripheral surface of the lead screw (4), and a directional column is welded inside the other support plate (3), and the sliding plate (5) is slidably mounted on the outer peripheral surface of the directional column, and a locking device (8) is commonly provided on the sliding plate (5) and the support plate (3); The locking device (8) comprises a support block (80), the support block (80) is fixedly connected to the top of the sliding plate (5), a driving shaft (82) is rotatably mounted on the support block (80), a driving bevel gear (83) and a driving gear (84) are fixedly sleeved on the outer peripheral surface of the driving shaft (82), a driven shaft (86) is rotatably mounted on the top of the sliding plate (5), a driven bevel gear (85) is fixedly sleeved on the outer peripheral surface of the driven shaft (86), a synchronous belt (87) is commonly mounted on the outer peripheral surfaces of the driven shaft (86) and the screwing shaft (7), and a rack plate (81) is welded inside one of the support plates (3).

2. The automotive battery pack screw fastening device according to claim 1, characterized in that: A placing platform (2) is slidably mounted on the top of the base (1), a clamping screw (9) is rotatably mounted inside the placing platform (2), two transmission plates (10) are threadedly sleeved on the outer circumference of the clamping screw (9), and a clamping plate (11) is fixedly connected to one side of the transmission plate (10).

3. The automotive battery pack screw fastening device according to claim 1, characterized in that: The support plate (3) is provided with a sliding groove, and the two ends of the sliding plate (5) are respectively slidably connected inside the two sliding grooves.

4. The automotive battery pack screw fastening device according to claim 1, characterized in that: Synchronous wheels are fixedly sleeved on the outer circumferences of the screw shaft (7) and the driven shaft (86), and the synchronous belt (87) is installed on the outer circumferences of the two synchronous wheels.

5. The automotive battery pack screw fastening device according to claim 1, characterized in that: The active bevel gear (83) and the driven bevel gear (85) are meshed with each other, and the driving gear (84) and the rack plate (81) are meshed with each other.

6. The automotive battery pack screw fastening device according to claim 2, characterized in that: The two transmission plates (10) are each provided with a threaded hole, and the clamping screw (9) is provided with a forward threaded portion and a reverse threaded portion, and the forward threaded portion and the reverse threaded portion are respectively threadedly connected inside the two threaded holes.

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