Side self-locking clamping device

Abstract

The utility model provides a kind of side self-locking clamping device, including base, the positioning structure positioned to workbench is equipped in the lower portion of base, the top block abutting to workpiece is equipped in the side of base, top rod is slidably connected with being equipped in the direction corresponding top block of base, top block is fixed to top rod, the elastic element that drives top rod to slide towards the side of top block is equipped on base, locking structure is equipped in the both sides of top rod, locking structure includes sliding positioning block, sliding positioning block can abut on the lateral wall of top rod and form abutting face, abutting face is inclinedly arranged corresponding top rod sliding direction, sliding positioning block extrudes top rod relative to one end of top block, and limit is generated transversely along top rod sliding direction, one end of top rod relative to top block is equipped with unlocking structure, and gap is generated between unlocking structure drive sliding positioning block and top rod abutting face. The present application has workpiece to be clamped and positioned, and through the locking control to clamping mechanism, the effect of improving the stability of clamping mechanism to workpiece clamping.

Description

Technical Field

[0001] This utility model belongs to the field of processing equipment manufacturing technology, specifically, it relates to a side self-locking clamping device. Background Technology

[0002] In industries such as machining and equipment assembly, it is often necessary to clamp and fix workpieces and quickly release them as needed.

[0003] Patent document CN104015145B discloses a clamping device, including a mounting base (11), a telescopic drive mechanism (12) mounted on the mounting base (11), and a clamping plate (13) connected to the telescopic drive mechanism (12). The clamping plate (13) is hinged to the telescopic end (121) of the telescopic drive mechanism (12) via a hinge shaft (14), and the hinge shaft (14) is located between each clamping point of the clamping plate (13).

[0004] However, the telescopic drive mechanism in patent document CN104015145B does not have a locking function. When the clamped workpiece is subjected to a force in the opposite direction of sliding along the telescopic drive structure, it may compress the telescopic drive structure, resulting in unstable clamping function.

[0005] To address this issue, while ensuring the workpiece is clamped and positioned, the stability of the clamping mechanism is improved. By controlling the locking of the clamping mechanism, the stability of the clamping mechanism in clamping the workpiece can be greatly enhanced, and the clamping structure will not lose its control over the workpiece even when subjected to a reverse force. Therefore, this invention designs a side-locking clamping device, solving the aforementioned problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the purpose of this utility model is to provide a side self-locking clamping device.

[0007] According to the present invention, a side-locking clamping device includes a base, a positioning structure positioned on a worktable below the base, a top block abutting against a workpiece on one side of the base, a top rod passing through and slidably connected to the base in the direction corresponding to the top block, the top block being fixed to the top rod, an elastic element on the base driving the top rod to slide towards the top block, and locking structures on both sides of the top rod. The locking structures include sliding positioning blocks slidably connected to the base along the sliding direction of the top rod, and the base providing lateral limitation for the sliding positioning blocks along the sliding direction of the top rod. The sliding positioning blocks abut against the side wall of the top rod to form a contact surface, the contact surface being inclined in the direction corresponding to the sliding direction of the top rod, and the sliding positioning blocks pressing the top rod against the top block. One end of the top rod is laterally limited along the sliding direction of the top rod; when the top block 3 exerts a force on the top rod 2 toward the base 1, the force at the top rod 2 is transmitted to the sliding positioning block 7 along the contact surface. The force is decomposed at the inclined contact surface, generating a rearward support force on the sliding positioning block 7, as well as a lateral support force along the sliding direction of the top rod 2. The sliding positioning block 7 is laterally limited by the base 1, and the top rod 2 cannot drive the positioning block to move backward. The sliding positioning block 7 locks the top rod 2; the top rod is provided with an unlocking structure at one end relative to the top block. The unlocking structure slides along the sliding direction of the top rod. The unlocking structure fixes and drives the sliding positioning block to generate a gap between the contact surface of the top rod and the top rod. The top rod can compress the elastic element and return to its position.

[0008] By adopting the above technical solution, the workpiece is initially positioned using the push rod. After the push rod is in place, the sliding positioning block automatically acts on the push rod and restricts its retraction, thereby achieving the purpose of locking the push rod. Under the action of the sliding positioning block, the push rod can only move forward and cannot move backward, which can firmly squeeze the workpiece and withstand the reverse force of the workpiece on the push rod without shaking, thus maximizing the stability of the workpiece. At the same time, the unlocking device directly controls the sliding positioning block, which will not affect the accuracy of the locking structure and indirectly improves the stability of the locking structure.

[0009] Preferably, the locking structure further includes a locking spring and a spring fixing block, with the spring fixing block fixed on both sides of the base; the locking spring is fixed between the spring fixing block and the sliding positioning block, and the locking spring drives the sliding positioning block to abut against the side wall of the top rod.

[0010] Preferably, the sidewall of the sliding positioning block extending along the sliding direction of the top rod protrudes outward to form a stabilizing rib. The stabilizing rib slides along the base along the sliding direction of the top rod and is limited by the base in the vertical direction of the sliding direction of the top rod.

[0011] Preferably, the sliding positioning block is obliquely cut along the sliding direction of the top rod on one side of the abutment surface, and the inclined side of the sliding positioning block gradually moves away from the top rod from the direction close to the top block, and the slope of the abutment surface is set according to the slope of the sliding positioning block.

[0012] Preferably, a pad is embedded at one end of the top block relative to the top rod.

[0013] Preferably, the positioning structure includes a strong magnet and a positioning screw, with the strong magnet housed at the bottom of the base; the positioning screw screws the positioning strong magnet to the bottom of the base, and the strong magnet is magnetically attracted to the worktable.

[0014] Preferably, the unlocking structure includes a connecting rod and a driving bolt. The two ends of the connecting rod are fixed to the sliding positioning block, and the top rod passes through the connecting rod in a staggered manner. The driving bolt is screwed to the connecting rod and passes through the top rod in a staggered manner. The driving bolt is screwed to the connecting rod and connected to the side wall of the base. The driving bolt drives the connecting rod to slide relative to the top rod towards the top block, and a gap is generated between the sliding positioning block and the contact surface of the top rod.

[0015] Preferably, the elastic element is a clamping spring, which drives the top block to slide away from the base.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. Through the cooperative design of the sliding positioning block and the inclined contact surface of the push rod, the push rod is automatically locked after it is in place, allowing only one-way forward movement and preventing backward movement. Even when the workpiece is subjected to a reverse force, the device can still firmly clamp the workpiece, preventing shaking and ensuring the stability of the processing.

[0018] 2. The unlocking structure directly drives the sliding positioning block and the top rod to create a gap, avoiding interference with the accuracy of the locking structure from indirect operation. The hard connection avoids the occurrence of gap fit, ensuring the locking performance for long-term use. Attached Figure Description

[0019] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the rear structure of this utility model.

[0021] Figure 2 This is a schematic diagram of the front structure of this utility model.

[0022] Figure 3 This is a structural schematic diagram of the hidden base of this utility model.

[0023] The diagram shows: 1. Base; 2. Top rod; 3. Top block; 4. Pad block; 5. Connecting fixing block; 6. Spring fixing block; 7. Sliding positioning block; 8. Connecting rod; 9. Clamping spring; 10. First M4 bolt; 11. Drive bolt; 12. M12 bolt; 13. Strong magnet; 14. Positioning screw; 15. Locking spring; 16. Second M4 bolt; 17. M4 headless screw; 18. Third M4 bolt. Detailed Implementation

[0024] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the present invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0025] like Figure 1 , 2 As shown, a side-locking clamping device includes a base 1. A positioning structure positioned on a worktable is provided below the base 1. The positioning structure includes a strong magnet 13 and a positioning screw 14. The strong magnet 13 is housed at the bottom of the base 1. The positioning screw 14 screws the positioning strong magnet 13 to the bottom of the base 1. The strong magnet 13 is magnetically attracted to the worktable. A top block 3 is provided on one side of the base 1, which abuts against the workpiece. A top rod 2 is inserted through the base 1 and slidably connected to the top block 3. The top block 3 is fixed to the top rod 2. A pad 4 is embedded in one end of the top block 3 relative to the top rod 2 to increase the friction on the workpiece and prevent scratching the workpiece.

[0026] like Figure 2 , 3 As shown, the base 1 is provided with an elastic element that drives the push rod 2 to slide toward the top block 3. The elastic element is a clamping spring 9. The clamping spring 9 drives the top block 3 to slide away from the base 1, thereby abutting against the workpiece to achieve positioning. The push rod 2 is provided with locking structures on both sides. The locking structures are used to position the push rod 2 after clamping the part, further ensuring the stable positioning of the part.

[0027] like Figure 2 , 3 As shown, the locking structure includes a sliding positioning block 7, a locking spring 15, and a spring fixing block 6. It is slidably connected to the base 1 along the sliding direction of the top rod 2. The side wall of the sliding positioning block 7 extending along the sliding direction of the top rod 2 protrudes outward to form a stabilizing rib. The stabilizing rib slides along the base 1 along the sliding direction of the top rod 2 and is limited in the vertical direction of the base 1 along the sliding direction of the top rod 2, thereby enhancing the lateral stability of the base 1 on the sliding positioning block 7. The spring fixing block 6 is fixed on both sides of the base 1. The locking spring 15 is fixed between the spring fixing block 6 and the sliding positioning block 7, and the locking spring 15 drives the sliding positioning block 7 to abut against the side wall of the top rod 2.

[0028] like Figure 2 , 3 As shown, the sliding positioning block 7 can abut against the side wall of the top rod 2 to form abutment surface. The side of the sliding positioning block 7 corresponding to the abutment surface is obliquely set along the sliding direction of the top rod 2, and the inclined side of the sliding positioning block 7 gradually moves away from the top rod 2 from the direction close to the top block 3. The slope of the abutment surface is set according to the slope of the inclined surface of the sliding positioning block 7.

[0029] When the top block 3 exerts a force on the top rod 2 toward the base 1, the force at the top rod 2 is transmitted along the contact surface to the sliding positioning block 7. The force is decomposed at the inclined contact surface, generating a rearward support force on the sliding positioning block 7 and a lateral support force along the sliding direction of the top rod 2. The sliding positioning block 7 is laterally limited by the base 1, and the top rod 2 cannot drive the positioning block to move backward, thereby achieving the locking effect on the top rod 2.

[0030] like Figure 2 , 3 As shown, the top rod 2 has an unlocking structure at one end relative to the top block 3. The unlocking structure includes a connecting rod 8 and a driving bolt 11. The two ends of the connecting rod 8 are fixed to the sliding positioning block 7. The top rod 2 passes through the connecting rod 8 in a staggered manner. The driving bolt 11 is screwed to the connecting rod 8 and passes through the top rod 2 in a staggered manner. The driving bolt 11 is screwed to the connecting rod 8 and connected to the side wall of the base 1. The driving bolt 11 drives the connecting rod 8 to slide relative to the top rod 2 towards the top block 3. A gap is generated between the sliding positioning block 7 and the contact surface of the top rod 2. The top rod 2 can compress the clamping spring 9 and return to its original position.

[0031] Specifically, the drive bolt 11 passes through the top rod 2, and the head of the drive bolt 11 abuts against one end of the top rod 2 opposite to the top block 3. The drive bolt 11 can be screwed on and drive the connecting rod 8 to slide relative to the top rod 2 toward the side away from the top block 3.

[0032] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0033] The specific embodiments of this utility model have been described above. It should be understood that this utility model is not limited to the specific embodiments described above, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the substantive content of this utility model. Unless otherwise specified, the embodiments and features described in this application can be arbitrarily combined with each other.

Claims

1. A side-locking clamping device, characterized in that, include: Base (1), positioning structure, top block (3), top rod (2), elastic element, locking structure, unlocking structure; The positioning structure is set below the base (1) and positioned on the worktable. The top block (3) is located on one side of the base (1) and abuts against the workpiece. The top rod (2) passes through and is slidably connected to the base (1) in the direction corresponding to the top block (3). The top block (3) is fixed to the top rod (2). The elastic element is set on the base (1) and drives the top rod (2) to slide toward the top block (3). The locking structure is set on both sides of the top rod (2). The locking structure includes a sliding positioning block (7). The sliding positioning block (7) is slidably connected to the base (1) along the sliding direction of the top rod (2), and the base (1) forms a lateral limit on the sliding positioning block (7) along the sliding direction of the top rod (2). The sliding positioning block (7) can abut against the side wall of the top rod (2) to form abutment surface. The abutment surface is inclined to the sliding direction of the top rod (2). The sliding positioning block (7) presses the top rod (2) against one end of the top block (3) and generates a lateral limit along the sliding direction of the top rod (2). When the top block (3) exerts a force on the top rod (2) in the direction of the base (1), the force at the top rod (2) is transmitted to the sliding positioning block (7) along the contact surface. The force is decomposed at the inclined contact surface, generating a backward support force on the sliding positioning block (7) and a lateral support force along the sliding direction of the top rod (2). The sliding positioning block (7) is laterally limited by the base (1), and the top rod (2) cannot drive the positioning block to move backward. The sliding positioning block (7) locks the top rod (2). The unlocking structure is located at one end of the top rod (2) relative to the top block (3). The unlocking structure slides along the sliding direction of the top rod (2). The unlocking structure fixes and drives the sliding positioning block (7) to generate a gap between the contact surface of the top rod (2). The top rod (2) can compress the elastic element and return to its original position.

2. The side-locking clamping device according to claim 1, characterized in that, The locking structure also includes a locking spring (15) and a spring fixing block (6); The spring fixing block (6) is fixed to both sides of the base (1); The locking spring (15) is fixed between the spring fixing block (6) and the sliding positioning block (7), and the locking spring (15) drives the sliding positioning block (7) to abut against the side wall of the top rod (2).

3. The side-locking clamping device according to claim 2, characterized in that, The sliding positioning block (7) extends outward along the sliding direction of the top rod (2) to form a stabilizing rib. The stabilizing rib slides along the sliding direction of the top rod (2) along the base (1) and is limited by the base (1) in the vertical direction of the sliding direction of the top rod (2).

4. The side-locking clamping device according to claim 1, characterized in that, The sliding positioning block (7) is obliquely set on one side of the contact surface along the sliding direction of the top rod (2), and the inclined side of the sliding positioning block (7) gradually moves away from the top rod (2) from the direction close to the top block (3).

5. The side-locking clamping device according to claim 1, characterized in that, The slope of the abutment surface is set to correspond to the slope of the sliding positioning block (7).

6. The side-locking clamping device according to claim 1, characterized in that, The top block (3) has a pad (4) embedded at one end relative to the top rod (2).

7. The side-locking clamping device according to claim 1, characterized in that, The positioning structure includes a strong magnet (13) and a positioning screw (14); A strong magnet (13) is housed at the bottom of the base (1); The positioning screw (14) is screwed onto the positioning magnet (13) at the bottom of the base (1), and the magnet (13) is magnetically attracted to the worktable.

8. The side-locking clamping device according to claim 1, characterized in that, The unlocking structure includes a connecting rod (8) and a driving bolt (11). The two ends of the connecting rod (8) are fixed to the sliding positioning block (7), and the top rod (2) is staggered and passes through the connecting rod (8). The driving bolt (11) is screwed to the connecting rod (8) and staggered and passes through the top rod (2). The driving bolt (11) is spiraled to the connecting rod (8) and connected to the side wall of the base (1). The driving bolt (11) drives the connecting rod (8) to slide relative to the top rod (2) towards the top block (3). A gap is generated between the sliding positioning block (7) and the contact surface of the top rod (2).

9. The side-locking clamping device according to claim 8, characterized in that, The unlocking structure also includes a drive bolt (11); The drive bolt (11) passes through the top rod (2), and the head of the drive bolt (11) abuts against the end of the top rod (2) opposite to the top block (3). The drive bolt (11) can be screwed and drive the connecting rod (8) to slide relative to the top rod (2) toward the side away from the top block (3).

10. The side-locking clamping device according to claim 1, characterized in that, The elastic element is a clamping spring (9), which drives the top block (3) to slide away from the base (1).

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