Combined clamp

Abstract

The utility model relates to the field of battery clamps, and discloses a combined clamp which comprises a base and a pressing plate, a penetrating through hole is formed in the surface of the pressing plate, a pressing rod is fixedly connected in the through hole, a buffering assembly is arranged between the base and the pressing plate, and the buffering assembly comprises a fixing cylinder. The fixing barrel penetrates through and is fixedly connected to the bottom face of the pressing plate, a sleeve is fixedly connected to the bottom face of the fixing barrel, a sliding rod is slidably connected to the interior of the sleeve, a round rod is fixedly connected to the bottom end of the sliding rod and fixedly connected to the surface of the base, and the outer wall of the round rod is sleeved with a buffer spring. And one end of the buffer spring is fixedly connected to the bottom end of the sleeve. According to the utility model, due to the existence of the buffer assembly, the pressure applied to the battery by the pressing plate does not directly act on the battery, but part of the pressure is absorbed through the compression of the buffer spring, so that the battery is protected from being damaged.

Description

Technical Field

[0001] The utility model relates to the field of battery jigs, in particular to a combined jig. Background Art

[0002] In the design of a cylindrical battery with a sleeve cup liquid injection machine, the jig plays a key role. Traditional jig technologies are mainly used to fix and support workpieces. However, in battery manufacturing, these jigs need to handle the high-precision and high-speed liquid injection process. The main function of the jig is to ensure that the battery remains stable and reliable during the liquid injection process, thereby avoiding uneven liquid injection or liquid leakage.

[0003] In the prior art, during the use of the jig in a cylindrical battery with a sleeve cup liquid injection machine, the pressure exerted on the battery directly acts on the battery. Excessive clamping pressure may damage the battery structure, affect its performance and safety, and cause uneven liquid injection. For this reason, a combined jig is proposed to solve the above problems. Summary of the Invention

[0004] In order to make up for the above deficiencies, the utility model provides a combined jig, aiming to improve the problem that in the prior art, the pressure directly acts on the battery, and excessive clamping pressure may damage the battery structure, affect its performance and safety, and cause uneven liquid injection.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: A combined jig includes a base and a pressing plate. A buffer assembly is arranged between the base and the pressing plate. The buffer assembly includes a fixed cylinder, the fixed cylinder penetrates and is fixedly connected to the bottom surface of the pressing plate, a sleeve is fixedly connected to the bottom surface of the fixed cylinder, a sliding rod is slidably connected inside the sleeve, a round rod is fixedly connected to the bottom end of the sliding rod, the round rod is fixedly connected to the surface of the base, a buffer spring is sleeved on the outer wall of the round rod, one end of the buffer spring is fixedly connected to the bottom end of the sleeve, and the other end of the buffer spring is fixedly connected to the top end of the round rod.

[0006] As a further description of the above technical solution:

[0007] A reinforcement assembly is fixedly connected to the bottom surface of the pressing plate. The reinforcement assembly includes a C-shaped frame, the C-shaped frame is fixedly connected to the bottom surface of the pressing plate, an upper hook is rotatably connected to the inner wall of the C-shaped frame, and fixed shafts are fixedly connected to both sides of the upper hook.

[0008] As a further description of the above technical solution:

[0009] A return spring is fixedly connected to the outer wall of the fixed shaft, the other end of the return spring is fixedly connected to a connecting shaft, and the connecting shaft is fixedly connected to the side of the C-shaped frame.

[0010] As a further description of the above technical solution:

[0011] The surface of the pressing plate is provided with a through hole, and a pressing rod is fixedly connected in the through hole.

[0012] As a further description of the above technical solution:

[0013] A column is fixedly connected to the surface of the base, a positioning plate is fixedly connected to the top of the column, and a positioning hole is provided on the surface of the positioning plate.

[0014] As a further description of the above technical solution:

[0015] A cylindrical battery is inserted into the positioning hole.

[0016] As a further description of the above technical solution:

[0017] Four groups of symmetrically arranged lower hooks are fixedly connected to the side wall of the base.

[0018] As a further description of the above technical solution:

[0019] Two groups of symmetrically arranged handles are fixedly connected to the surface of the pressing plate.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, due to the presence of the buffer assembly, the pressure exerted by the pressing plate on the battery does not directly act on the battery, but part of the pressure is absorbed by the compression of the buffer spring, thereby protecting the battery from damage.

[0022] 2. In the utility model, the upper hook automatically rotates under the action of the return spring and snaps into the corresponding position of the lower hook, thereby firmly fixing the battery in the fixture, and the battery is stably clamped in the positioning hole of the positioning plate, ensuring the position accuracy of the battery during processing or testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic diagram of the overall structure of a combined fixture proposed by the utility model;

[0024] Figure 2 is a schematic diagram of the base structure of a combined fixture proposed by the utility model;

[0025] Figure 3 is a schematic diagram of the pressing plate structure of a combined fixture proposed by the utility model;

[0026] Figure 4 is a schematic diagram of the buffer spring structure of a combined fixture proposed by the utility model;

[0027] Figure 5 Schematic diagram of the reinforcement component structure of a combined fixture proposed by the present utility model.

[0028] Legend:

[0029] 1. Base; 2. Pressure plate; 21. Pressure rod; 3. Column; 4. Positioning plate; 41. Positioning hole; 42. Cylindrical battery; 5. Lower hook; 6. Buffer component; 61. Fixed cylinder; 62. Sleeve; 63. Slide rod; 64. Round rod; 65. Buffer spring; 7. Reinforcement component; 71. C-shaped frame; 72. Upper hook; 73. Fixed shaft; 74. Return spring; 75. Connecting shaft. Specific embodiments

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Referring to Figures 1 - 3 , an embodiment provided by the present utility model: A combined fixture includes a base 1 and a pressure plate 2. The base 1 serves as the main support structure of the fixture, providing a stable foundation. Through holes are provided on the surface of the pressure plate 2, and a pressure rod 21 is fixedly connected in the through holes. When the pressure plate 2 moves downward in cooperation with the base 1, it contacts the top of the battery through the pressure rod 21 to clamp and fix the pressure plate 2. Two groups of symmetrically arranged handles are fixedly connected to the surface of the pressure plate 2, and the handles are used to control the up and down movement of the pressure plate 2. A column 3 is fixedly connected to the surface of the base 1, and a positioning plate 4 is fixedly connected to the top of the column 3. A positioning hole 41 is provided on the surface of the positioning plate 4, and a cylindrical battery 42 is inserted into the positioning hole 41. The column 3 is used to support the positioning plate 4, and the battery is positioned by passing through the positioning hole 41. Four groups of symmetrically arranged lower hooks 5 are fixedly connected to the side wall of the base 1, and the lower hooks 5 are used in cooperation with the reinforcement component 7 to enable the pressure rod 21 to stably clamp the battery.

[0032] Referring to Figure 1 、 Figure 4, a buffer assembly 6 is provided between the base 1 and the pressing plate 2. The buffer assembly 6 is used to reduce the direct pressure exerted by the pressing plate 2 on the battery and prevent damage to the battery. The buffer assembly 6 includes a fixed cylinder 61. The fixed cylinder 61 penetrates and is fixedly connected to the bottom surface of the pressing plate 2. The fixed cylinder 61 provides stable support for the sleeve 62. The bottom surface of the fixed cylinder 61 is fixedly connected to a sleeve 62. A sliding rod 63 is slidably connected inside the sleeve 62. The bottom end of the sliding rod 63 is fixedly connected to a round rod 64. The sleeve 62 is connected to the fixed cylinder 61, allowing sliding movement. The sliding rod 63 slides inside the sleeve 62 to ensure the smooth movement of the pressing plate 2. The round rod 64 is fixedly connected to the surface of the base 1. The round rod 64 is fixed on the surface of the base 1 and serves as the support point for the buffer spring 65. A buffer spring 65 is sleeved on the outer wall of the round rod 64. One end of the buffer spring 65 is fixedly connected to the bottom end of the sleeve 62, and the other end of the buffer spring 65 is fixedly connected to the top end of the round rod 64. The buffer spring 65 is located between the sleeve 62 and the round rod 64 and is used to absorb and relieve pressure.

[0033] Refer to Figure 1 , Figure 5 , a reinforcement assembly 7 is fixedly connected to the bottom surface of the pressing plate 2. The reinforcement assembly 7 is used to enhance the structural strength and stability of the fixture and ensure the clamping effect. The reinforcement assembly 7 includes a C-shaped frame 71. The C-shaped frame 71 is fixedly connected to the bottom surface of the pressing plate 2. An upper hook 72 is rotatably connected to the inner wall of the C-shaped frame 71. Fixing shafts 73 are fixedly connected to both sides of the upper hook 72. The C-shaped frame 71 is used to install the upper hook 72 and allow the upper hook 72 to rotate along the inner wall of the C-shaped frame 71. The upper hook 72 corresponds to the position of the lower hook 5 and is used to engage with the lower hook 5. The fixing shafts 73 provide the functions of rotation and fixation. A return spring 74 is fixedly connected to the outer wall of the fixing shaft 73. The other end of the return spring 74 is fixedly connected to a connecting shaft 75. The connecting shaft 75 is fixedly connected to the side part of the C-shaped frame 71. The connecting shaft 75 and the fixing shaft 73 are used to elastically connect the C-shaped frame 71 and the upper hook 72 together. The return spring 74 provides a return force to ensure the return of the upper hook 72.

[0034] Working principle: When it is necessary to clamp the battery, the operator first applies a downward force through the handle on the pressing plate 2, causing the pressing plate 2 to move downward together with the pressure rod 21. The lower end of the pressure rod 21 contacts the top end of the battery and starts to apply pressure to the battery. Due to the presence of the buffer assembly 6, the pressure exerted by the pressing plate 2 on the battery does not directly act on the battery, but part of the pressure is absorbed by the compression of the buffer spring 65, thereby protecting the battery from damage.

[0035] As the pressing plate 2 continues to move downward, the pressing rod 21 further compresses the battery, and at the same time, the lower hook 5 and the upper hook 72 gradually approach. When the pressing plate 2 reaches the predetermined position, the upper hook 72 automatically rotates under the action of the return spring 74 and snaps into the corresponding position of the lower hook 5, thereby firmly fixing the battery in the fixture. At this time, the battery is stably clamped in the positioning hole 41 of the positioning plate 4, ensuring the position accuracy of the battery during processing or testing.

[0036] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A combined fixture, comprising a base (1) and a pressing plate (2), characterized in that: A buffer assembly (6) is provided between the base (1) and the pressing plate (2). The buffer assembly (6) includes a fixed cylinder (61) which penetrates and is fixedly connected to the bottom surface of the pressing plate (2). A sleeve (62) is fixedly connected to the bottom surface of the fixed cylinder (61). A sliding rod (63) is slidably connected inside the sleeve (62). A round rod (64) is fixedly connected to the bottom end of the sliding rod (63). The round rod (64) is fixedly connected to the surface of the base (1). A buffer spring (65) is sleeved on the outer wall of the round rod (64). One end of the buffer spring (65) is fixedly connected to the bottom end of the sleeve (62), and the other end of the buffer spring (65) is fixedly connected to the top end of the round rod (64).

2. The combined fixture according to claim 1, wherein: A reinforcement assembly (7) is fixedly connected to the bottom surface of the pressing plate (2). The reinforcement assembly (7) includes a C-shaped frame (71) which is fixedly connected to the bottom surface of the pressing plate (2). An upper hook (72) is rotatably connected to the inner wall of the C-shaped frame (71). Fixed shafts (73) are fixedly connected to both sides of the upper hook (72).

3. The combined fixture according to claim 2, characterized in that: A return spring (74) is fixedly connected to the outer wall of the fixed shaft (73). The other end of the return spring (74) is fixedly connected to a connecting shaft (75) which is fixedly connected to the side part of the C-shaped frame (71).

4. The combined fixture according to claim 1, characterized in that: A through hole is formed in the surface of the pressing plate (2), and a pressing rod (21) is fixedly connected in the through hole.

5. A combined fixture according to claim 1, characterized in that: A column (3) is fixedly connected to the surface of the base (1). A positioning plate (4) is fixedly connected to the top end of the column (3). A positioning hole (41) is formed in the surface of the positioning plate (4).

6. The combined fixture according to claim 5, characterized in that: A cylindrical battery (42) is inserted into the positioning hole (41).

7. A combined fixture according to claim 1, characterized in that: Four groups of symmetrically arranged lower hooks (5) are fixedly connected to the side wall of the base (1).

8. The combined fixture according to claim 1, characterized in that: Two groups of symmetrically arranged handles are fixedly connected to the surface of the pressing plate (2).

Images