Pressing and holding mechanism for notebook computer C part

Abstract

The utility model discloses a hold-down mechanism for a notebook computer C part, which is used for holding down a workpiece and comprises a support plate, a mounting seat arranged above the support plate, fixing plates symmetrically mounted at the top of the mounting seat, and a fixing rod horizontally mounted between the two fixing plates. A pressing head with a strip-shaped through hole and an arc-shaped through hole is movably arranged on the circumferential outer wall of the fixing rod in a sleeving mode, the strip-shaped through hole formed in a vertical mode is located above the arc-shaped through hole, the strip-shaped through hole is connected with the arc-shaped through hole in a penetrating mode, and a lifting rod moving in the vertical direction is located below the arc-shaped through hole and is parallel to the strip-shaped through hole. And the pressing head is rotationally connected with the lifting rod, and when the lifting rod descends, the fixing rod can move into the strip-shaped through hole along the arc-shaped through hole. According to the pressing and holding mechanism for the notebook computer C part, the pressing head can be vertically pressed on the frame of the workpiece, the situation that the pressing head flattens the thin and narrow frame of a material is avoided, and the overall machining quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece pressing fixtures, in particular to a pressing mechanism for a notebook C-piece. Background Art

[0002] When machining a notebook cover plate, such as milling or gluing, a fixture is required to fix the machining position of the cover plate to achieve the fixation of the machining position. After retrieval, the patent with the authorization announcement number CN220145338U discloses an "anti-chip CNC machining clamping jaw", which includes: a pressing head, a support plate, a fixed seat installed at the front end of the upper surface of the support plate, and a cylinder installed below the support plate. The upper end of the piston rod of the cylinder is installed with a movable seat. The pressing head disposed above the fixed seat and the movable seat is respectively connected to the fixed seat and the movable seat through a rotatable first connecting rod and a second connecting rod. The upper surface of the movable seat has a raised portion extending upward. The lower surface of the connection between the pressing head and the second connecting rod has an arc-shaped portion arched downward. The left and right ends of the pin shaft passing through the movable seat each extend outward and are installed with a movable baffle. A floating baffle is disposed between the two movable baffles. The utility model can not only maintain a stable and continuous pressure during clamping, but also completely move away from the machining area in the non-clamping state, and can also achieve the circumferential shielding of the clamping jaw to avoid the adverse interference of chips on the clamping jaw.

[0003] In the prior art, the workpiece can be pressed and fixed by flipping the pressing head on the clamping jaw. However, for some materials with thin and narrow borders, their structural strength is poor. During the rotational clamping process of the pressing head, an oblique pressing force will be generated on the border of the material, resulting in the border tilting or even being flattened, affecting the machining quality. Summary of the Invention

[0004] The purpose of the utility model is to provide a pressing mechanism for a notebook C-piece, which can achieve the vertical pressing of the pressing head on the border of the workpiece, avoid the situation that the thin and narrow border of the material is flattened by the pressing head, and improve the overall machining quality.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is: a pressing mechanism for a notebook C-piece, used for pressing a workpiece, includes: a support plate, and a mounting seat arranged above the support plate. The top of the mounting seat is symmetrically installed with a fixing plate, and a fixing rod is horizontally installed between the two fixing plates;

[0006] A pressing head with a strip-shaped through hole and an arc-shaped through hole is movably sleeved on the outer wall of the fixed rod in the circumferential direction. The strip-shaped through hole arranged vertically is located above the arc-shaped through hole, and the strip-shaped through hole is connected to the arc-shaped through hole in a penetrating manner. A lifting rod that moves in the vertical direction is arranged below the arc-shaped through hole and parallel to the strip-shaped through hole, and the pressing head is rotatably connected to the lifting rod. When the lifting rod descends, the fixed rod can move along the arc-shaped through hole to the inside of the strip-shaped through hole.

[0007] The further improved solutions in the above technical solutions are as follows:

[0008] 1. In the above solution, the pressing head includes: a rotating part provided with the strip-shaped through hole and the arc-shaped through hole, a pressing part located on one side of the rotating part, and a connecting part arranged below the rotating part.

[0009] 2. In the above solution, a shaft rod is arranged between the inner walls of the connecting part, and a fixed sleeve is installed at the upper end of the lifting rod, and this fixed sleeve is movably sleeved on the outer wall of the shaft rod in the circumferential direction.

[0010] 3. In the above solution, when the fixed rod is located inside the strip-shaped through hole, the lower surface of the pressing part is in a horizontal state.

[0011] 4. In the above solution, the rotation angle of the pressing head is 85° - 130°.

[0012] 5. In the above solution, a cylinder is arranged below the support plate, and the movable end of the cylinder can penetrate the support plate, the mounting seat and be fixedly connected to the lifting rod to drive the lifting rod to move up and down.

[0013] Due to the application of the above technical solutions, the present utility model has the following advantages compared with the prior art:

[0014] The pressing mechanism of the C part of the notebook of the present utility model has a pressing head with a strip-shaped through hole and an arc-shaped through hole movably sleeved on the outer wall of the fixing rod. The strip-shaped through hole arranged vertically is above the arc-shaped through hole, and the strip-shaped through hole is connected to the arc-shaped through hole in a penetrating manner. A lifting rod moving in the vertical direction is arranged below the arc-shaped through hole and parallel to the strip-shaped through hole, and the pressing head is rotatably connected to the lifting rod. When the lifting rod descends, the fixing rod can move along the arc-shaped through hole into the strip-shaped through hole. The fixing rod can move along the strip-shaped through hole and the arc-shaped through hole of the pressing head, and the pressing head is rotatably connected to the lifting rod. During the upward movement of the lifting rod, the fixing rod moves along the strip-shaped through hole to the arc-shaped through hole, so that the pressing head rotates and opens after moving upward a certain distance in the vertical direction. During the downward movement of the lifting rod, the fixing rod moves along the arc-shaped through hole into the strip-shaped through hole, so that the pressing head rotates and presses and then moves downward a certain distance in the vertical direction to press the material tightly. It can realize that the pressing head presses vertically on the workpiece frame, and the pressing force acts vertically on the material frame. While pressing and fixing the material, it avoids the situation that the pressing head flattens the thin and narrow frame of the material, and improves the overall processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] FIG Figure 1 is a schematic structural diagram of the first perspective of the pressing mechanism of the C part of the notebook of the present utility model;

[0016] FIG Figure 2 is a schematic structural diagram of the second perspective of the pressing mechanism of the C part of the notebook of the present utility model;

[0017] FIG Figure 3 is a sectional view of the clamping state structure of the pressing mechanism of the C part of the notebook of the present utility model;

[0018] FIG Figure 4 is a sectional view of the open state structure of the pressing mechanism of the C part of the notebook of the present utility model.

[0019] In the above drawings: 1. mounting seat; 2. fixing plate; 3. pressing head; 301. pressing part; 302. connecting part; 303. rotating part; 4. fixing rod; 5. lifting rod; 601. strip-shaped through hole; 602. arc-shaped through hole; 7. air cylinder; 8. fixing sleeve; 9. shaft rod; 10. limit seat; 11. through hole; 12. support plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The present patent can be further clearly understood through the following specific embodiments given, but they do not limit the present patent.

[0021] Embodiment 1: A pressing mechanism for a notebook C part, used for pressing a workpiece 100, including: a support plate 12, and a mounting seat 1 arranged above the support plate 12. A fixing plate 2 is symmetrically mounted on the top of the mounting seat 1, and a fixing rod 4 is horizontally mounted between the two fixing plates 2;

[0022] During use, control the movable end of the cylinder to extend, so that the lifting rod rises and drives the pressing head to rise. A relative movement occurs between the fixing rod mounted between the two fixing plates and the pressing head, and the fixing rod moves along the strip-shaped through-hole to the arc-shaped through-hole, so that the pressing head moves upward by a certain distance in the vertical direction and then rotates and opens;

[0023] A pressing head 3 with a strip-shaped through-hole 601 and an arc-shaped through-hole 602 is movably sleeved on the outer wall of the circumference of the fixing rod 4. The vertically arranged strip-shaped through-hole 601 is located above the arc-shaped through-hole 602, and the strip-shaped through-hole 601 is connected to the arc-shaped through-hole 602 in a through manner. A lifting rod 5 that moves in the vertical direction is arranged below the arc-shaped through-hole 602 and parallel to the strip-shaped through-hole 601, and the pressing head 3 is rotatably connected to the lifting rod 5. When the lifting rod 5 descends, the fixing rod 4 can move along the arc-shaped through-hole 602 into the interior of the strip-shaped through-hole 601;

[0024] Then control the movable end of the cylinder to contract. The movable end of the cylinder drives the lifting rod to descend, thereby driving the pressing head to descend. The fixing rod moves along the arc-shaped through-hole, so that after the pressing head flips, the fixing rod continues to move along the strip-shaped through-hole, so that the pressing head moves downward in the vertical direction, so that the pressing force of the pressing head acts vertically on the material;

[0025] The above-mentioned pressing head 3 includes: a rotating part 303 provided with the above-mentioned strip-shaped through-hole 601 and arc-shaped through-hole 602, a pressing part 301 located on one side of the rotating part 303, and a connecting part 302 arranged below the rotating part 303.

[0026] After the processing is completed, drive the movable end of the cylinder to extend, so that the lifting rod rises and drives the pressing head to rise. Then the pressing head rises by a certain distance in the vertical direction and then flips, avoiding the situation of the pressing head rotating and causing extrusion to the workpiece;

[0027] A shaft rod 9 is arranged between the inner walls of the above-mentioned connecting part 302. A fixing sleeve 8 is installed at the upper end of the above-mentioned lifting rod 5, and this fixing sleeve 8 is movably sleeved on the outer wall of the circumference of the above-mentioned shaft rod 9.

[0028] When the above-mentioned fixing rod 4 is located inside the strip-shaped through-hole 601, the lower surface of the above-mentioned pressing part 301 is in a horizontal state.

[0029] The rotation angle of the above-mentioned pressing head 3 is 90°.

[0030] A cylinder 7 is arranged below the support plate 12, and the movable end of the cylinder 7 can penetrate through the support plate 12 and the mounting seat 1 and be fixedly connected to the lifting rod 5 to drive the lifting rod 5 to move up and down.

[0031] Embodiment 2: A pressing mechanism for pressing a workpiece 100, comprising: a support plate 12, a mounting seat 1 arranged above the support plate 12, a fixing plate 2 is symmetrically mounted on the top of the mounting seat 1, and a fixing rod 4 is horizontally mounted between the two fixing plates 2;

[0032] The fixing rod can move along the strip-shaped through hole and the arc-shaped through hole of the pressing head, and the pressing head is rotatably connected to the lifting rod. During the upward movement of the lifting rod, the fixing rod moves along the strip-shaped through hole to the arc-shaped through hole, so that the pressing head moves upward a certain distance in the vertical direction and then rotates and opens;

[0033] A pressing head 3 having a strip-shaped through hole 601 and an arc-shaped through hole 602 is movably sleeved on the outer wall of the circumference of the fixing rod 4. The vertically arranged strip-shaped through hole 601 is located above the arc-shaped through hole 602, and the strip-shaped through hole 601 is connected to the arc-shaped through hole 602 in a through manner. A lifting rod 5 that moves in the vertical direction is arranged below the arc-shaped through hole 602 and parallel to the strip-shaped through hole 601, and the pressing head 3 is rotatably connected to the lifting rod 5. When the lifting rod 5 descends, the fixing rod 4 can move along the arc-shaped through hole 602 to the inside of the strip-shaped through hole 601;

[0034] During the downward movement of the lifting rod, the fixing rod moves along the arc-shaped through hole to the inside of the strip-shaped through hole, so that the pressing head rotates and presses and then moves downward a certain distance in the vertical direction to press the material tightly. It can realize that the pressing head vertically presses on the workpiece frame, realizes that the pressing force acts vertically on the material frame, while pressing and fixing the material, avoids the situation that the pressing head flattens the thin and narrow frame of the material, and improves the overall processing quality.

[0035] The above-mentioned pressing head 3 includes: a rotating part 303 provided with the above-mentioned strip-shaped through hole 601 and arc-shaped through hole 602, a pressing part 301 located on one side of the rotating part 303, and a connecting part 302 arranged below the rotating part 303.

[0036] A shaft rod 9 is arranged between the inner walls of the above-mentioned connecting part 302. A fixing sleeve 8 is installed at the upper end of the above-mentioned lifting rod 5, and this fixing sleeve 8 is movably sleeved on the outer wall of the circumference of the above-mentioned shaft rod 9.

[0037] When the above-mentioned fixing rod 4 is located inside the strip-shaped through hole 601, the lower surface of the above-mentioned pressing part 301 is in a horizontal state.

[0038] The rotation angle of the above-mentioned pressing head 3 is 120°.

[0039] A limit seat 10 is provided below the pressing part 301 and on one side of the rotating part 303 to further limit the flipping angle of the pressing head and avoid the situation where the pressing part of the pressing head rotates excessively, resulting in an oblique pressing force.

[0040] The above fixed sleeve 8 is sleeved on the outer wall of the above shaft rod 9.

[0041] The above mounting seat 1 is provided with a through hole 11 for the up and down movement of the fixed sleeve 8 and the lifting rod 5.

[0042] The working principle is as follows:

[0043] During use, the movable end of the control cylinder extends, causing the lifting rod to rise and drive the pressing head to rise. Relative movement occurs between the fixed rod installed between the two fixing plates and the pressing head, and the fixed rod moves along the strip-shaped through hole to the arc-shaped through hole, causing the pressing head to rotate and open after rising a certain distance in the vertical direction;

[0044] Then, the movable end of the control cylinder contracts, and the movable end of the cylinder drives the lifting rod to descend, thereby driving the pressing head to descend. The fixed rod moves along the arc-shaped through hole, causing the pressing head to rotate. Then, the fixed rod continues to move along the strip-shaped through hole, causing the pressing head to descend in the vertical direction, so that the pressing force of the pressing head acts vertically on the material;

[0045] After the processing is completed, the movable end of the driving cylinder extends, causing the lifting rod to rise and drive the pressing head to rise. Then, the pressing head rises a certain distance in the vertical direction and then flips, avoiding the situation where the pressing head rotates and causes the workpiece to be crushed.

[0046] When the above pressing mechanism for the notebook C part is adopted, the fixed rod can move along the strip-shaped through hole and the arc-shaped through hole of the pressing head, and the pressing head is rotatably connected to the lifting rod. During the upward movement of the lifting rod, the fixed rod moves along the strip-shaped through hole to the arc-shaped through hole, causing the pressing head to rotate and open after rising a certain distance in the vertical direction. During the downward movement of the lifting rod, the fixed rod moves along the arc-shaped through hole to the inside of the strip-shaped through hole, causing the pressing head to rotate and press and then descend a certain distance in the vertical direction to press the material tightly. It can realize that the pressing head presses vertically on the workpiece frame, making the pressing force act vertically on the material frame. While pressing and fixing the material, it avoids the situation where the pressing head flattens the thin and narrow frame of the material, improving the overall processing quality.

[0047] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and their purpose is to enable those familiar with this technology to understand the content of the present invention and implement it accordingly, and cannot be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A pressing mechanism for a notebook C-piece, used for pressing a workpiece (100), comprising: A support plate (12), and a mounting seat (1) arranged above the support plate (12), characterized in that a fixing plate (2) is symmetrically mounted on the top of the mounting seat (1), and a fixing rod (4) is horizontally mounted between the two fixing plates (2); A pressure head (3) having a strip through hole (601) and an arc-shaped through hole (602) is movably sleeved on the circumferential outer wall of the fixed rod (4); the strip through hole (601) arranged in a vertical manner is located above the arc-shaped through hole (602), and the strip through hole (601) and the arc-shaped through hole (602) are connected through each other; a lifting rod (5) movable in a vertical direction is arranged below the arc-shaped through hole (602) and parallel to the strip through hole (601); the pressure head (3) and the lifting rod (5) are rotatably connected; when the lifting rod (5) descends, the fixed rod (4) can move along the arc-shaped through hole (602) to the inside of the strip through hole (601).

2. The holding mechanism for notebook C according to claim 1, characterized in that: The pressure head (3) comprises: a rotating portion (303) provided with the strip-shaped through hole (601) and the arc-shaped through hole (602), a holding portion (301) located at one side of the rotating portion (303), and a connecting portion (302) arranged below the rotating portion (303).

3. The holding mechanism for notebook C according to claim 2, characterized in that: An axle rod (9) is arranged between the inner walls of the connecting portion (302), a fixing sleeve (8) is installed on the upper end of the lifting rod (5), and the fixing sleeve (8) is movably sleeved on the circumferential outer wall of the axle rod (9).

4. The holding mechanism for notebook C according to claim 2, characterized in that: When the fixing rod (4) is located inside the strip-shaped through hole (601), the lower surface of the pressing portion (301) is in a horizontal state.

5. The holding mechanism for notebook C according to claim 1, characterized in that: The rotation angle of the pressure head (3) is 85° to 130°.

6. The holding mechanism for notebook C according to claim 1, characterized in that: A cylinder (7) is disposed below the support plate (12), and a movable end of the cylinder (7) is capable of penetrating the support plate (12) and the mounting seat (1) and being fixedly connected to the lifting rod (5) to drive the lifting rod (5) to move up and down.

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