Rapid clamping device and boring machine

Abstract

The utility model relates to a rapid clamping device and a boring machine, and belongs to the technical field of machining. The quick clamping device comprises a base, a connecting rod, a pressing plate, a rotating block and a screw, one end of the connecting rod is hinged to the pressing plate, the other end of the connecting rod is hinged to the base, the hinge point of the connecting rod and the pressing plate is a rotating fulcrum of the pressing plate, a threaded hole is formed in the base, a U-shaped groove is formed in the rear end of the pressing plate, and the two ends of the rotating block are in pin joint to the two side walls of the U-shaped groove. The threaded rod penetrates through the rotating block and is in threaded connection with the interior of the threaded hole, a check ring is fixed to the threaded rod and located below the rotating block, and when the threaded rod moves upwards, the rear end of the pressing plate is jacked up by the check ring. The boring machine comprises the rapid clamping device. According to the utility model, the pressing plate is rotated by rotating the screw rod, and a workpiece is clamped by utilizing the lever principle, so that the clamping process is simplified; the boring machine can clamp two workpieces at the same time, the boring machining efficiency is improved, the downtime of equipment is shortened, and the labor intensity of workers is relieved.

Description

Technical Field

[0001] The utility model relates to a quick clamping device and a boring machine, belonging to the technical field of mechanical processing. Background Art

[0002] Boring machine is an important mechanical processing equipment. Its working principle mainly relies on the rotation of the boring tool as the main motion, and the feed motion is realized by the movement of the boring tool or the workpiece. This motion mode enables the boring machine to process holes with high precision, or complete the processing of multiple holes in one positioning, thus meeting various complex processing requirements.

[0003] During the machining process of the boring machine, the workpiece needs to be stably clamped on the workbench to ensure machining accuracy. Usually, the workpiece is mounted on the workbench through a clamping fixture. However, the existing clamping fixture has the following disadvantages:

[0004] (1) The existing clamping tooling clamping method is complex, and manual clamping is often affected by multiple factors such as the operator's skills, experience, and attention. Therefore, the clamping accuracy may be unstable, thus affecting the processing quality.

[0005] (2) Usually only one workpiece can be clamped at a time. Since the processing time of the workpiece on the boring machine is relatively short, a crane is needed to perform up and down operations after processing. This frequent replacement of parts not only increases safety risks, but also requires extremely high technical proficiency of the operator. It also consumes a lot of working hours, increases costs, and seriously affects processing efficiency. Utility Model Content

[0006] The purpose of the utility model is to provide a new technical solution to improve or solve the technical problems existing in the prior art as described above.

[0007] The technical solution provided by the utility model is as follows: a quick clamping device, comprising a base, a connecting rod, a pressure plate, a rotating block and a screw rod, one end of the connecting rod is hinged to the pressure plate, the other end of the connecting rod is hinged to the base, the hinge point of the connecting rod and the pressure plate is the rotating fulcrum of the pressure plate, a threaded hole is provided on the base, a U-shaped groove is provided at the rear end of the pressure plate, two ends of the rotating block are pinned to two side walls of the U-shaped groove, the screw rod passes through the rotating block and is screwed in the threaded hole, a retaining ring is fixed on the screw rod, and the retaining ring is located below the rotating block, and when the screw rod moves upward, the rear end of the pressure plate is lifted upward by the retaining ring.

[0008] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects: the utility model rotates the pressure plate by rotating the screw rod and utilizes the lever principle to clamp the workpiece. Compared with the complex traditional clamping device, the structural design of the utility model is simpler, which not only simplifies the clamping process and improves the boring processing efficiency, but also facilitates installation.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows:

[0010] Furthermore, the lower end surface of the front end of the pressing plate has an anti-slip portion.

[0011] The beneficial effect of adopting the above further solution is that the provision of the anti-slip portion can increase the friction between the clamping end and the workpiece, thereby preventing the workpiece from sliding or shifting due to the influence of cutting force or other external forces during the processing.

[0012] A boring machine comprises a workbench, an upper slide and a lower slide, wherein the upper slide is slidably mounted on the lower slide, the upper slide can move along a track on the lower slide, the workbench is mounted on the upper slide, the workbench can move along the upper slide, and the workbench can rotate around a circular guide rail at its bottom, and also comprises the quick clamping device, which is mounted on the workbench.

[0013] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects: the boring machine of the utility model can clamp two workpieces at the same time, improve the processing efficiency of boring holes, reduce equipment downtime, and reduce the labor intensity of workers.

[0014] On the basis of the above technical solution, the present invention can also be improved as follows:

[0015] Furthermore, a T-shaped block is provided below the base, and a plurality of rows of T-shaped slots are provided on the workbench, and the T-shaped block is detachably installed in the T-shaped slots.

[0016] The beneficial effect of adopting the above further scheme is that by detachably installing the T-block under the base in the T-slot on the workbench, the clamping device can be more firmly fixed on the workbench, which can reduce vibration and deviation during processing and improve processing accuracy and stability; and the design of the T-block and T-slot allows the clamping device to be easily adjusted horizontally and vertically on the workbench, and workers can quickly move the clamping device to the appropriate position as needed and fix it to the workbench through a simple locking mechanism.

[0017] Furthermore, a cushion block is provided on the workbench.

[0018] Furthermore, the workbench is also provided with a limit block, and the limit block is arranged between the cushion block and the base.

[0019] The beneficial effect of adopting the above further solution is that it can ensure that the workpiece is clamped to the correct position.

[0020] Furthermore, it also includes a front column, a rear column and a cutter, wherein the front column and the rear column are respectively arranged at two ends of the lower sliding seat, and the cutter is installed on the front column. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] 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 embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the quick clamping device of the utility model;

[0023] Figure 2 This is a front view of the quick clamping device of the utility model;

[0024] Figure 3 It is a left view of the quick clamping device of the utility model;

[0025] Figure 4 It is a three-dimensional structural schematic diagram of the quick clamping device of the utility model from a rear view angle;

[0026] Figure 5 It is a schematic diagram of the three-dimensional structure of the quick clamping device of the utility model from a bottom-up perspective;

[0027] Figure 6 It is a three-dimensional structural schematic diagram of the boring machine of the utility model;

[0028] Figure 7 It is a structural schematic diagram of clamping a piece of tooling on a boring machine of the utility model;

[0029] Figure 8 It is a schematic diagram of the structure of clamping two pieces of tooling on the boring machine of the utility model;

[0030] In the figure, 1, base; 101, T-block; 2, connecting rod; 3, pressure plate; 4, rotating block; 5, screw; 501, retaining ring; 6, workbench; 7, upper slide seat; 8, lower slide seat; 9, T-slot; 10, cushion block; 11, limit block; 12, limit column; 13, front column; 14, rear column; 15, tool; 16, workpiece No. 1; 17, workpiece No. 2. DETAILED DESCRIPTION

[0031] The principles and features of the present invention are described below in conjunction with examples. The examples are only used to explain the present invention and are not used to limit the scope of the present invention.

[0032] like Figure 1 - Figure 5 As shown, a quick clamping device includes a base 1, a connecting rod 2, a pressure plate 3, a rotating block 4 and a screw 5, one end of the connecting rod 2 is hinged to the pressure plate 3, the other end of the connecting rod 2 is hinged to the base 1, the hinge point of the connecting rod 2 and the pressure plate 3 is the rotating fulcrum of the pressure plate 3, the base 1 is provided with a threaded hole, the rear end of the pressure plate 3 is provided with a U-shaped groove, the two ends of the rotating block 4 are pinned to the two side walls of the U-shaped groove, the screw 5 passes through the rotating block 4 and is screwed in the threaded hole, a retaining ring 501 is fixed to the screw 5, and the retaining ring 501 is located below the rotating block 4, when the screw 5 moves upward, the rear end of the pressure plate 3 is pushed upward by the retaining ring 501.

[0033] The front end of the pressing plate 3 is a clamping end. The lower end surface of the clamping end has an anti-skid portion, which can increase the friction between the clamping end and the workpiece to prevent the workpiece from sliding or shifting due to cutting force or other external forces during processing.

[0034] like Figure 6 As shown, a boring machine includes a workbench 6, an upper slide 7 and a lower slide 8, including a workbench 6, an upper slide 7 and a lower slide 8, the upper slide 7 is slidably mounted on the lower slide 8, the upper slide 7 can move along the track on the lower slide 8, the workbench 6 is mounted on the upper slide 7, the workbench 6 can move along the upper slide 7, and the workbench 6 can rotate around the circular guide rail at its bottom, and also includes the quick clamping device, which is mounted on the workbench 6.

[0035] The workbench 6 can not only move longitudinally and transversely along the lower slide 8 and the upper slide 7, but also rotate around the circular guide rail of the upper slide 7 to a desired angle. This flexible design enables the boring machine to adapt to various complex processing conditions.

[0036] A T-block 101 is provided below the base 1, and a plurality of rows of T-slots 9 are provided on the workbench 6, and the T-block 101 is detachably mounted in the T-slot 9. By detachably mounting the T-block 101 below the base 1 in the T-slot 9 on the workbench 6, the clamping device can be more firmly fixed on the workbench 6, which can reduce vibration and deviation during processing, and improve processing accuracy and stability; and the design of the T-block 101 and the T-slot 9 allows the clamping device to be easily adjusted horizontally and vertically on the workbench 6, and the worker can quickly move the clamping device to a suitable position as needed, and fix it on the workbench 6 through a simple locking mechanism.

[0037] The workbench 6 is also provided with a cushion block 10, and the workbench 6 is also provided with a limit block 11, and the limit block 11 is arranged between the cushion block 10 and the base 1. The cushion block 10 and the limit block 11 cooperate to ensure that the workpiece is clamped to the correct position.

[0038] The boring machine further includes a front column 13 , a rear column 14 and a tool 15 . The front column 13 and the rear column 14 are respectively arranged at two ends of the lower slide 8 , and the tool 15 is installed on the front column 13 .

[0039] The working method of the quick clamping tool of the present invention is: when it is necessary to clamp the workpiece, the worker only needs to rotate the screw 5 to move it upward. As the screw 5 rises, the retaining ring 501 contacts the pressure plate 3. Since the pressure plate 3 is hinged with the connecting rod 2, a rotation fulcrum is formed. As the screw 5 continues to rotate, the retaining ring 501 rotates around the rotation fulcrum against the rear end of the pressure plate 3, so that the front end of the pressure plate 3 presses the workpiece downward; when it is necessary to disassemble the workpiece, the worker only needs to rotate the screw 5 in the opposite direction to move it downward. As the screw 5 descends, the rear end of the pressure rod rotates in the opposite direction around the rotation fulcrum, and the front end is naturally lifted, thereby easily releasing the clamping of the workpiece.

[0040] In addition, it should be noted that during the rotation of the screw 5, the rotating block 4 can adjust the angle along with the movement of the screw 5, and this design can prevent the screw 5 from being out of alignment with the threaded hole. The out of alignment usually occurs when the axis of the screw 5 and the threaded hole do not coincide or there is a deviation, causing the screw 5 to encounter unnecessary resistance or get stuck during rotation, and the design of the rotating block 4 can effectively solve this problem.

[0041] By using the quick clamping fixture of the utility model, workpieces can be clamped efficiently on a boring machine. Figure 7 As shown, when clamping a workpiece, if the pressing height of the pressing plate 3 is insufficient, the limit column 12 can be used to ensure that the workpiece is tightly clamped. In addition, the tooling design is flexible and can also clamp two workpieces at the same time, thereby improving work efficiency. Figure 8As shown in the figure, the method of clamping two workpieces on the boring machine at the same time is as follows:

[0042] (1) Fix the clamping device on the workbench 6 to ensure the stability of the clamping device on the workbench 6;

[0043] (2) Place the No. 1 workpiece 16 on the right end of the base 1, place the No. 2 workpiece 17 on the No. 1 workpiece 16, push the No. 2 workpiece 17 until it contacts the limit block 11, so that the No. 1 workpiece 16 and the No. 2 workpiece 17 form a dislocated overlapping state, at which the No. 2 workpiece 17 is on the top and the No. 1 workpiece 16 is on the bottom, and the cushion block 10 is supported below the No. 2 workpiece 17;

[0044] This staggered and overlapping clamping method can make full use of the space of the clamping device while ensuring the relative position accuracy between the two workpieces. The existence of the limit block 11 ensures the position accuracy of the second workpiece 17 and prevents deviation during the processing. The cushion block 10 provides additional support for the second workpiece 17 to ensure the stability of the workpiece during the processing.

[0045] (3) Install a limiting column 12 between the first workpiece 16 and the pressing plate 3;

[0046] (4) After determining the relative positions of workpiece No. 16, workpiece No. 2 17 and the limit column 12, use a pneumatic gun to tighten the screw 5 of the clamping device so that the front end of the pressure plate 3 is pressed tightly against the upper surface of workpiece No. 2 17 and the limit column 12. After confirming that the workpieces are clamped, they can be processed.

[0047] The boring machine of the utility model can clamp two workpieces at the same time, improve the processing efficiency of boring holes, reduce equipment downtime, and reduce the labor intensity of workers.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A quick clamping device, characterized in that: The invention comprises a base (1), a connecting rod (2), a pressure plate (3), a rotating block (4) and a screw rod (5), wherein one end of the connecting rod (2) is hinged to the pressure plate (3), and the other end of the connecting rod (2) is hinged to the base (1); the hinge point between the connecting rod (2) and the pressure plate (3) is the rotating fulcrum of the pressure plate (3); a threaded hole is provided on the base (1); a U-shaped groove is provided at the rear end of the pressure plate (3); two ends of the rotating block (4) are pinned to two side walls of the U-shaped groove; the screw rod (5) passes through the rotating block (4) and is screwed into the threaded hole; a retaining ring (501) is fixed to the screw rod (5), and the retaining ring (501) is located below the rotating block (4); when the screw rod (5) moves upward, the rear end of the pressure plate (3) is lifted upward by the retaining ring (501).

2. The quick clamping device according to claim 1, characterized in that: The lower end surface of the front end of the pressing plate (3) has an anti-slip portion.

3. A boring machine, characterized in that: The invention comprises a workbench (6), an upper slide (7) and a lower slide (8), wherein the upper slide (7) is slidably mounted on the lower slide (8), the upper slide (7) can move along a track on the lower slide (8), the workbench (6) is mounted on the upper slide (7), the workbench (6) can move along the upper slide (7), and the workbench (6) can rotate around a circular guide rail at its bottom, and further comprises a quick clamping device as claimed in claim 1 or 2, wherein the quick clamping device is mounted on the workbench (6).

4. The boring machine according to claim 3, characterized in that: A T-shaped block (101) is provided below the base (1), a plurality of rows of T-shaped slots (9) are provided on the workbench (6), and the T-shaped block (101) is detachably mounted in the T-shaped slots (9).

5. The boring machine according to claim 3, characterized in that: A cushion block (10) is also provided on the workbench (6).

6. The boring machine according to claim 5, characterized in that: The workbench (6) is also provided with a limit block (11), and the limit block (11) is arranged between the cushion block (10) and the base (1).

7. The boring machine according to claim 3, characterized in that: It also includes a front column (13), a rear column (14) and a cutter (15), wherein the front column (13) and the rear column (14) are respectively arranged at two ends of the lower slide seat (8), and the cutter (15) is mounted on the front column (13).

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