A clamping device for machining machine tool parts
Through the coordinated design of the support column, clamping block, first cylinder, support plate, clamping plate, chuck, and second cylinder, the problem of inaccurate workpiece positioning during processing is solved, achieving stable clamping and position adjustment, and improving processing accuracy and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DEMETEX (QUANZHOU) HYDRAULIC MANUFACTURING CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-05-26
AI Technical Summary
Existing processes lack a conversion mechanism when machining tubular or cylindrical workpieces, making it difficult to achieve completely consistent and accurate positioning for each clamping, which affects drilling accuracy and production efficiency.
The design employs a coordinated approach involving a support column, clamping block, first cylinder, support plate, clamping plate, locking pin, and second cylinder to achieve stable workpiece clamping and flexible position adjustment, avoiding precision loss caused by reclamping.
It enables flexible position adjustment of the workpiece while it is clamped, improving the accuracy and ease of operation of the machining process, ensuring that the machining precision is not affected, and improving production efficiency.
Smart Images

Figure CN224274236U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of clamping technology, and in particular to a clamping device for machining machine tool parts. Background Technology
[0002] Machine tools are machines that manufacture machines, also known as "mother machines" or "machine tools." They occupy a core position in modern industrial production. Through various processing methods such as cutting, grinding, and stamping, they change the shape, size, and surface properties of workpieces, realizing the forming and processing of metallic or non-metallic materials. According to their uses, they can be divided into lathes, milling machines, grinding machines, etc. They are widely used in industries such as automobiles, aerospace, and electronics, and are key equipment for the equipment manufacturing industry to produce high-precision, high-quality parts.
[0003] In the field of mechanical manufacturing, tubular or cylindrical workpieces often require drilling on their top and bottom sides. However, existing processes lack a conversion mechanism after drilling the top side, requiring re-clamping when machining the bottom side. Since it is difficult to achieve completely consistent and precise positioning with each clamping, subsequent drilling accuracy is easily reduced, seriously affecting product quality and production efficiency. Utility Model Content
[0004] The purpose of this utility model is to solve the problems mentioned in the background art and to provide a machine tool parts processing clamping device.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A machine tool parts processing clamping device includes a base, a support block fixedly connected to the upper end of the base, a horizontally arranged column inserted into the outer wall of the support block, the column and the support block being rotatably connected, a slot provided at the end of the column away from the support block, first cylinders fixedly inserted into the upper and lower sides of the slot, the opposite ends of the two first cylinders respectively passing through the column, and clamping blocks fixedly connected to the opposite ends of the two first cylinders, a circular storage groove provided inside the support block, and a support plate rotatably connected to the inner wall of the storage groove. One end of the support column passes through the support block and is fixedly connected to the support plate. A clamping plate is slidably connected to the inner wall of the storage slot. A horizontally arranged locking post is fixedly connected to the side of the clamping plate facing the support plate and near the edge. Multiple locking slots corresponding to the locking posts are distributed in a ring on the side of the support plate facing the clamping plate. One end of the locking post slides into the locking slot. A horizontally arranged second cylinder is fixedly inserted into the inner wall of the storage slot on the side away from the support plate. The end of the second cylinder away from the support plate passes through the support block, and the other end of the second cylinder is fixedly connected to the clamping plate.
[0007] Preferably, the end of the support column away from the support block is rotatably sleeved with a first support ring, and the lower end of the first support ring is fixedly connected to the upper end of the base with a vertically arranged support rod.
[0008] Preferably, a second support ring is rotatably sleeved on the support column, and one side of the second support ring is fixedly connected to the outer wall of the support block.
[0009] Preferably, a vertically arranged first guide rod is fixedly connected to the side of the clamping block facing the first cylinder, and the end of the first guide rod away from the clamping block slides through the support column.
[0010] Preferably, a second guide rod is fixedly connected to the side of the clamping plate facing the second cylinder, and the end of the second guide rod away from the clamping plate slides through the support block.
[0011] Preferably, the upper and lower ends of the clamp are provided with arc-shaped grooves, and ball bearings are rolled on the inner sidewall of the arc-shaped grooves, with a portion of the ball bearings penetrating through the arc-shaped grooves.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] 1. This utility model, through the coordinated design of the support column, clamping block, first cylinder, support plate, clamping plate, clamping column, clamping groove and second cylinder, not only achieves stable clamping of the workpiece, but also allows for flexible adjustment of its position while clamped. This design not only meets diverse processing needs, but also avoids the loss of precision caused by reclamping, effectively ensuring the accuracy of subsequent processing.
[0014] 2. This utility model utilizes a support structure composed of a second support ring, a first support ring, and a support rod to provide reliable support for the support column, significantly enhancing its stability during use;
[0015] 3. This utility model innovatively designs support columns, support plates and other mechanisms to realize position adjustment in the workpiece clamping state, which not only improves the convenience of operation and processing efficiency, but also ensures that the processing accuracy is not affected. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of a machine tool parts processing clamping device proposed in this utility model;
[0017] Figure 2 This is a schematic diagram of the internal structure of a machine tool parts processing clamping device proposed in this utility model;
[0018] Figure 3 This is a side view of the support plate structure of a machine tool parts processing clamping device proposed in this utility model.
[0019] In the diagram: 1-base, 2-support block, 3-first cylinder, 4-first support ring, 5-support rod, 6-clamping block, 7-first guide rod, 8-second support ring, 9-support column, 10-support plate, 11-clamping column, 12-second guide rod, 13-second cylinder, 14-clamping plate. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0021] Reference Figure 1-3 A machine tool parts processing clamping device includes a base 1, a support block 2 fixedly connected to the upper end of the base 1 for supporting a column 9, a horizontally arranged column 9 inserted on the outer side wall of the support block 2 for supporting a workpiece, the column 9 and the support block 2 being rotatably connected, a first support ring 4 rotatably sleeved on the end of the column 9 away from the support block 2 for supporting the column 9, a vertically arranged support rod 5 fixedly connected between the lower end of the first support ring 4 and the upper end of the base 1 for supporting the first support ring 4, a second support ring 8 rotatably sleeved on the column 9 for supporting the column 9, and one side of the second support ring 8 being fixedly connected to the outer side wall of the support block 2;
[0022] In this embodiment, a slot is provided at the end of the support column 9 away from the support block 2. A first cylinder 3 is fixedly inserted into the upper and lower sides of the slot to drive the clamping block 6 to move. The opposite ends of the two first cylinders 3 pass through the support column 9 respectively. The opposite ends of the two first cylinders 3 are fixedly connected to the clamping block 6 to clamp the workpiece. A vertically arranged first guide rod 7 is fixedly connected to the side of the clamping block 6 facing the first cylinder 3 to guide the movement of the clamping block 6. The end of the first guide rod 7 away from the clamping block 6 slides through the support column 9.
[0023] In this embodiment, the support block 2 is provided with a circular storage groove. A support plate 10 is rotatably connected to the inner wall of the storage groove to support the support column 9. One end of the support column 9 passes through the support block 2 and is fixedly connected to the support plate 10. A clamping plate 14 is slidably connected to the inner wall of the storage groove to clamp the support plate 10. A horizontally arranged locking post 11 is fixedly connected to the side of the clamping plate 14 facing the support plate 10 and near the edge to lock the position of the support plate 10 with the locking slot. The side of the support plate 10 facing the clamping plate 14 has a plurality of locking slots corresponding to the locking post 11 arranged in a ring. One end of the locking post 11 slides into the locking slot.
[0024] In this embodiment, a second cylinder 13 is fixedly inserted into the inner wall of the storage slot on the side away from the support plate 10, which is used to drive the clamping plate 14 to move. One end of the second cylinder 13 away from the support plate 10 passes through the support block 2, and the other end of the second cylinder 13 is fixedly connected to the clamping plate 14. A second guide rod 12 is fixedly connected to the side of the clamping plate 14 facing the second cylinder 13, which is used to guide the movement of the clamping plate 14. One end of the second guide rod 12 away from the clamping plate 14 slides through the support block 2. Both the upper and lower ends of the clamping plate 14 are provided with arc-shaped grooves. Rolling balls are rolled on the inner sidewall of the arc-shaped grooves to reduce the resistance when the clamping plate 14 moves. Part of the rolling balls passes through the arc-shaped grooves.
[0025] In this embodiment, firstly, the tubular or cylindrical workpiece is inserted horizontally into the slot. Then, the two first cylinders 3 are activated, causing them to move the two clamping blocks 6 until they are tightly pressed against the workpiece, thus clamping and fixing the workpiece. After that, the base 1 is installed on the workbench of a drilling equipment such as a bench drill, and the upper side of the workpiece is drilled using a drill bit. If it is necessary to drill the lower, front, or rear side of the workpiece, the second cylinder 13 is activated, causing it to move the chuck 14 away from the support plate 10. At this time, the chuck 14 will move the locking pin 11 out of the slot. Then, the workpiece or support 9 is manually rotated so that the lower, front, or rear side of the workpiece faces upward. After the adjustment is completed, the second cylinder 13 is activated again, causing the chuck 14 to move towards the support plate 10. The chuck 14 will clamp the support plate 10 and simultaneously drive the locking pin 11 into the slot, thereby locking the position of the support plate 10 and preventing the support plate 9 or the workpiece from rotating.
[0026] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A machine tool parts processing clamping device, comprising a base (1), characterized in that: A support block (2) is fixedly connected to the upper end of the base (1). A horizontally arranged column (9) is inserted into the outer wall of the support block (2). The column (9) and the support block (2) are rotatably connected. A slot is provided at the end of the column (9) away from the support block (2). A first cylinder (3) is fixedly inserted into the upper and lower sides of the slot. The opposite ends of the two first cylinders (3) pass through the column (9). A clamping block (6) is fixedly connected to the opposite ends of the two first cylinders (3). A circular storage slot is provided inside the support block (2). A support plate (10) is rotatably connected to the inner wall of the storage slot. One end of the column (9) passes through the support block (2) and is connected to the support plate (10). The plate (10) is fixedly connected, and a clamping plate (14) is slidably connected to the inner wall of the storage slot. A horizontally arranged locking post (11) is fixedly connected to the side of the clamping plate (10) facing the support plate (10) and near the edge. A plurality of locking slots corresponding to the locking posts (11) are distributed in a ring on the side of the support plate (10) facing the clamping plate (14). One end of the locking post (11) slides into the locking slot. A horizontally arranged second cylinder (13) is fixedly inserted into the inner wall of the storage slot and away from the support plate (10). The end of the second cylinder (13) away from the support plate (10) passes through the support block (2), and the other end of the second cylinder (13) is fixedly connected to the clamping plate (14).
2. The machine tool parts processing clamping device according to claim 1, characterized in that: The first support ring (4) is rotatably sleeved at the end of the support (9) away from the support block (2), and a vertically arranged support rod (5) is fixedly connected between the lower end of the first support ring (4) and the upper end of the base (1).
3. The machine tool parts processing clamping device according to claim 1, characterized in that: A second support ring (8) is rotatably sleeved on the support column (9), and one side of the second support ring (8) is fixedly connected to the outer wall of the support block (2).
4. The machine tool parts processing clamping device according to claim 1, characterized in that: The clamping block (6) is fixedly connected to a vertically arranged first guide rod (7) on the side facing the first cylinder (3), and the end of the first guide rod (7) away from the clamping block (6) slides through the support column (9).
5. The machine tool parts processing clamping device according to claim 1, characterized in that: The clamp (14) is fixedly connected to a second guide rod (12) arranged laterally on the side facing the second cylinder (13), and the end of the second guide rod (12) away from the clamp (14) slides through the support block (2).
6. The machine tool parts processing clamping device according to claim 1, characterized in that: Both ends of the clamp (14) are provided with arc-shaped grooves, and rolling balls are connected to the inner sidewall of the arc-shaped grooves, with a portion of the rolling balls penetrating through the arc-shaped grooves.