A screw tightening machine for battery production

Abstract

The utility model relates to the technical field of battery automation production, specifically a screw tightening machine for battery production, including a base, a movable seat is slidably provided on the base, a plurality of screw tightening machines are slidably provided inside the movable seat, the output ends of the plurality of screw tightening machines are all fixedly installed with output shafts, and the plurality of output shafts are all installed with screw bits through wear detection components. The advantage is that by setting the wear detection component, the purpose of judging whether the screw bit is worn by the contact time between the pressure rod and the first button is achieved, which is convenient for the staff to replace the screw bit in time and ensure the production quality of the product. At the same time, when the elastic part is compressed to the limit state, the screw also reaches the standard torque. At the same time, when the elastic part is compressed to the limit state, the deformation of the elastic part can trigger the second button, and then the second button is used to control the emergency stop of the screw tightening machine, which effectively improves the torque application accuracy of the screw tightening machine and further ensures the production quality of the product.

Description

Technical Field

[0001] The utility model relates to the technical field of battery automation production, in particular to a screw tightening machine for battery production. Background Art

[0002] The screw tightening machine used in the battery production process is an automated tool used to tighten screws to a predetermined torque or angle.

[0003] A screw driving machine for a battery production line is disclosed in Chinese patent publication number CN207656227U. The screw driving machine for a battery production line rotates the motor in the screw driving device to rotate the screw head together, thereby realizing automatic tightening of the screws, reducing labor intensity, and automatically assembling multiple screws, thereby improving production efficiency.

[0004] However, compared with the existing technologies in related fields, the screwdriver bits will wear out during large-scale processing, and some wear of the screwdriver bits cannot be seen with the naked eye. Once the screwdriver is worn out, it may cause the following hazards: first, loss of torque transmission capability: the worn screwdriver bit may not be able to provide sufficient torque to tighten or loosen the screws, which may result in the inability to complete the work; second, damage to the screw head: the worn screwdriver bit may not be able to properly fit the screw head, causing the screwdriver bit to slide or slip, thereby damaging the screw head and affecting the production quality of the product. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art, solve the problems mentioned in the background technology, and provide a screw tightening machine for battery production.

[0006] The purpose of the utility model is achieved through the following technical solutions: a screw tightening machine for battery production, comprising a base, a movable seat is slidably provided on the base, a plurality of screw tightening machines are slidably provided inside the movable seat, output ends of the plurality of screw tightening machines are fixedly installed with output shafts, and the plurality of output shafts are equipped with screw bits through wear detection components;

[0007] The wear detection assembly includes a first fixed column fixedly connected to the output shaft, a second fixed column is rotatably provided at the bottom end of the first fixed column, two rotating grooves are symmetrically provided inside the second fixed column, pressure plates are fixedly provided inside the two rotating grooves corresponding to the bottom end of the first fixed column, the pressure plates and the rotating grooves are connected by elastic parts, a first button for timing is fixedly installed inside the two rotating grooves, the first buttons are arranged below the connection between the elastic part and the rotating groove, a second button for controlling the emergency stop of the screw tightening machine is fixedly installed on one side of the two rotating grooves close to the first button, the second button is arranged at the position where the elastic part is compressed and deformed, a pressure rod is fixedly provided on one side of the two pressure plates close to the elastic part, and the pressure rod and the first button are at the same horizontal position.

[0008] Preferably, a quick-release joint is fixedly provided at the bottom end of the second fixing column, and the screwdriver bit is connected to the second fixing column via the quick-release joint.

[0009] Preferably, a rotating shaft is fixedly provided at the center of the bottom end of the first fixing column, a rotating hole is opened at a position of the second fixing column corresponding to the rotating shaft, and the rotating shaft is matched and connected with the rotating hole through a bearing.

[0010] Preferably, the elastic member is a spring, and the pressure rod is in an arc shape.

[0011] Preferably, two first slide rails are symmetrically fixedly installed on one side of the base close to the moving seat, and first sliders are fixedly installed at positions of the moving seat corresponding to the first slide rails. The first sliders slide in sliding cooperation with the first slide rails, and a first cylinder for controlling the lifting of the moving seat is fixedly installed at a position close to the top of the base, and the output end of the first cylinder is connected to the moving seat.

[0012] Preferably, sliding seats are fixedly installed on the sides of multiple screw tightening machines, second slide rails are fixedly installed at positions of the moving seat corresponding to the multiple sliding seats, the sliding seat and the second slide rails slide together, second cylinders for controlling their sliding are fixedly installed at positions inside the moving seat corresponding to the multiple sliding seats, and movable grooves are opened at positions of the moving seat corresponding to the multiple output shafts.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The screw tightening machine produced by this battery, by setting up a wear detection component, can determine whether the screw bit is worn by the contact time between the pressure rod and the first button, which is convenient for the staff to replace the screw bit in time and ensure the production quality of the product. At the same time, when the elastic part is compressed to the limit state, the screw also reaches the standard torque. At the same time, when the elastic part is compressed to the limit state, the deformation of the elastic part can trigger the second button, and then the second button is used to control the screw tightening machine to stop urgently, which effectively improves the torque application accuracy of the screw tightening machine and further ensures the production quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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 labor.

[0016] Figure 1 It is a schematic diagram of the first axis side of the utility model;

[0017] Figure 2 It is a schematic diagram of the second axis side of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the output shaft of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the wear detection component of the utility model;

[0020] Figure 5 This is a schematic diagram of the state when the elastic member of the utility model is not triggered;

[0021] Figure 6 It is a schematic diagram of the state of the elastic member of the utility model when it is triggered.

[0022] In the figure: 1. base; 2. movable seat; 201. movable slot; 3. screwdriver; 4. output shaft; 5. wear detection component; 501. first fixed column; 502. second fixed column; 503. rotating slot; 5031. first button; 5032. second button; 504. pressure plate; 505. elastic member; 506. pressure rod; 507. rotating shaft; 6. bit; 7. quick release connector; 8. first slide rail; 9. first slider; 10. first cylinder; 11. sliding seat; 12. second slide rail; 13. second cylinder. DETAILED DESCRIPTION

[0023] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0025] Additional aspects and advantages of the present invention will be further described below in conjunction with the accompanying drawings, and some will become apparent from the following description or be learned through practice of the present invention.

[0026] like Figures 1 to 6 As shown, a screw tightening machine for battery production includes a base 1, a movable seat 2 is slidably provided on the base 1, a plurality of screw tightening machines 3 are slidably provided inside the movable seat 2, output ends of the plurality of screw tightening machines 3 are all fixedly mounted with output shafts 4, and the plurality of output shafts 4 are all mounted with screw bits 6 through wear detection components 5.

[0027] The wear detection assembly 5 includes a first fixed column 501 fixedly connected to the output shaft 4, a second fixed column 502 is rotatably provided at the bottom end of the first fixed column 501, two rotating grooves 503 are symmetrically provided inside the second fixed column 502, a pressure plate 504 is fixedly provided inside the two rotating grooves 503 corresponding to the bottom end of the first fixed column 501, the pressure plate 504 and the rotating groove 503 are both connected by an elastic member 505, a first button 5031 for timing is fixedly installed inside the two rotating grooves 503, the first button 5031 is arranged below the connection between the elastic member 505 and the rotating groove 503, a second button 5032 for controlling the emergency stop of the screw driving machine 3 is fixedly installed on one side of the two rotating grooves 503 close to the first button 5031, the second button 5032 is arranged at the position where the elastic member 505 is compressed and deformed, and a pressure rod 506 is fixedly provided on one side of the two pressure plates 504 close to the elastic member 505, and the pressure rod 506 and the first button 5031 are at the same horizontal position.

[0028] A quick-release connector 7 is fixedly provided at the bottom end of the second fixing column 502 , and the screwdriver bit 6 is connected to the second fixing column 502 via the quick-release connector 7 .

[0029] A rotating shaft 507 is fixed at the center of the bottom end of the first fixed column 501, and a rotating hole is opened at the position of the second fixed column 502 corresponding to the rotating shaft 507. The rotating shaft 507 is connected to the rotating hole through a bearing. The provided bearing can reduce the friction force of the rotating shaft 507 when rotating, and improve the stability of the rotating shaft 507 when rotating.

[0030] The elastic member 505 is a spring, and the pressure rod 506 is in the shape of an arc. When the elastic member 505 is compressed to the limit state, the screw also reaches the standard torque. At the same time, when the elastic member 505 is compressed to the limit state, the middle position thereof will be deformed. The deformation of the elastic member 505 can trigger the second button 5032, thereby controlling the screw tightening machine 3 to stop urgently by the second button 5032, and the tightening of the screw is completed at this time.

[0031] Two first slide rails 8 are symmetrically fixedly installed on one side of the base 1 close to the moving seat 2. First sliders 9 are fixedly installed at the positions of the moving seat 2 corresponding to the first slide rails 8. The first sliders 9 slide in cooperation with the first slide rails 8. A first cylinder 10 for controlling the lifting of the moving seat 2 is fixedly installed near the top of the base 1, and the output end of the first cylinder 10 is connected to the moving seat 2.

[0032] A sliding seat 11 is fixedly installed on the side of multiple screw tightening machines 3, and a second slide rail 12 is fixedly installed at the positions of the mobile seat 2 corresponding to the multiple sliding seats 11. The sliding seat 11 and the second slide rail 12 slide in cooperation with each other, and a second cylinder 13 for controlling the sliding thereof is fixedly installed at the positions of the multiple sliding seats 11 inside the mobile seat 2. A movable groove 201 is provided at the positions of the mobile seat 2 corresponding to the multiple output shafts 4. By utilizing the cooperation of the second cylinder 13 and the sliding seat 11, the position of the screw tightening machine 3 can be accurately adjusted, so that the device can be suitable for batteries of various models.

[0033] When in use, the first button 5031, the second button 5032, the screwdriver 3, the first cylinder 10 and the second cylinder 13 can be connected to the control cabinet signal of the device, and then a timer is set inside the control cabinet. The first button 5031 and the second button 5032 are both provided with batteries, and the first button 5031 and the second button 5032 are both transmitted to the control cabinet signal of the device via Bluetooth. When the screwdriver head 6 rotates, the screw will be tightened. At the same time, the cooperation between the pressing plate 504 and the elastic member 505 can make the first fixing column 501 and the second fixing column 502 have a speed difference, so that when the screw is about to be tightened, the pressing plate 504 will compress the elastic member 505, and at this time the pressing rod 506 will contact the first fixing column 501 and the second fixing column 502. When the screwdriver bit 6 is not worn, the time taken to tighten the screw can be obtained. When the screwdriver bit 6 is worn, the screwdriver bit 6 will slip when tightening the screw, and then the contact time between the pressure rod 506 and the first button 5031 will increase. Therefore, whether the screwdriver bit 6 is worn can be judged by the contact time between the pressure rod 506 and the first button 5031, so that the staff can replace the screwdriver bit 6 in time. The screwdriver 3, the first cylinder 10 and the second cylinder 13, the control cabinet of the equipment, the timer and the Bluetooth signal transmission between the first button 5031 and the second button 5032 in this embodiment are all well-known technologies, so their specific structure and working principle are not described in detail.

[0034] The working process is as follows:

[0035] S1, such as Figure 1 to Figure 2 As shown, during operation, when the battery reaches below the moving seat 2, the first cylinder 10 controls the moving seat 2 to move downward, and then the screwdriver bit 6 docks with the screw head of the battery;

[0036] S2, such as Figures 1 to 4As shown, the output shaft 4 is controlled to rotate by the screwdriver 3, and then the output shaft 4 controls the screwdriver bit 6 to rotate through the wear detection component 5 and the quick release joint 7;

[0037] S3, such as Figures 2 to 6 As shown, when the screwdriver bit 6 rotates, the screw will be tightened. At the same time, the cooperation between the pressure plate 504 and the elastic member 505 can make the first fixing column 501 and the second fixing column 502 have a speed difference. When the screw is about to be tightened, the pressure plate 504 will compress the elastic member 505. At this time, the pressure rod 506 will contact the first button 5031. At this time, the time taken to tighten the screw when the screwdriver bit 6 is not worn can be obtained.

[0038] S4, such as Figure 5 and Figure 6 As shown, when the elastic member 505 is compressed to the limit state, the screw also reaches the standard torque. At the same time, when the elastic member 505 is compressed to the limit state, the middle part thereof will be deformed. The deformation of the elastic member 505 can trigger the second button 5032, so that the second button 5032 is used to control the screw tightening machine 3 to stop urgently, and the tightening work of the screw is completed at this time.

[0039] S5, such as Figures 2 to 6 As shown, when the screwdriver bit 6 is worn, the screwdriver bit 6 will slip when tightening the screw, and then the contact time between the pressure rod 506 and the first button 5031 will increase, so as to judge whether the screwdriver bit 6 is worn by the contact time between the pressure rod 506 and the first button 5031, so as to facilitate the staff to replace the screwdriver bit 6 in time.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A screw tightening machine for battery production, characterized in that: The invention comprises a base (1), a movable seat (2) is slidably provided on the base (1), a plurality of screwdrivers (3) are slidably provided inside the movable seat (2), output ends of the plurality of screwdrivers (3) are all fixedly mounted with output shafts (4), and the plurality of output shafts (4) are all mounted with screw bits (6) through wear detection components (5); The wear detection assembly (5) comprises a first fixed column (501) fixedly connected to the output shaft (4); a second fixed column (502) is rotatably provided at the bottom end of the first fixed column (501); two rotating grooves (503) are symmetrically provided inside the second fixed column (502); a pressure plate (504) is fixedly provided inside the two rotating grooves (503) corresponding to the bottom end of the first fixed column (501); the pressure plate (504) and the rotating groove (503) are matched and connected via an elastic member (505); a first button (504) for timing is fixedly installed inside the two rotating grooves (503); 031), the first buttons (5031) are arranged below the connection between the elastic member (505) and the rotating groove (503), and the second buttons (5032) for controlling the emergency stop of the screw tightening machine (3) are fixedly installed on one side of the two rotating grooves (503) close to the first button (5031), and the second buttons (5032) are arranged at the position where the elastic member (505) is compressed and deformed, and the two pressure plates (504) are fixedly provided with a pressure rod (506) on one side close to the elastic member (505), and the pressure rod (506) and the first button (5031) are at the same horizontal position.

2. A screw tightening machine for battery production according to claim 1, characterized in that: A quick-release joint (7) is fixedly provided at the bottom end of the second fixing column (502), and the screwdriver bit (6) is connected to the second fixing column (502) via the quick-release joint (7).

3. A screw tightening machine for battery production according to claim 1, characterized in that: A rotating shaft (507) is fixedly provided at the center of the bottom end of the first fixing column (501), and a rotating hole is opened at the position of the second fixing column (502) corresponding to the rotating shaft (507), and the rotating shaft (507) is matched and connected to the rotating hole through a bearing.

4. A screw tightening machine for battery production according to claim 1, characterized in that: The elastic member (505) is a spring, and the pressure rod (506) is in an arc shape.

5. The screw tightening machine for battery production according to claim 1, characterized in that: Two first slide rails (8) are symmetrically fixedly installed on one side of the base (1) close to the moving seat (2); first sliders (9) are fixedly installed at positions of the moving seat (2) corresponding to the first slide rails (8); the first sliders (9) are slidably matched with the first slide rails (8); a first cylinder (10) for controlling the lifting of the moving seat (2) is fixedly installed at a position close to the top of the base (1); the output end of the first cylinder (10) is connected to the moving seat (2).

6. A screw tightening machine for battery production according to claim 1, characterized in that: A sliding seat (11) is fixedly installed on the side of the plurality of screw tightening machines (3); a second slide rail (12) is fixedly installed at the positions of the movable seat (2) corresponding to the plurality of sliding seats (11); the sliding seat (11) and the second slide rail (12) are slidably matched; a second cylinder (13) for controlling the sliding of the sliding seat is fixedly installed at the positions of the plurality of sliding seats (11) inside the movable seat (2); and a movable groove (201) is provided at the positions of the movable seat (2) corresponding to the plurality of output shafts (4).

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