Grinding machine clamp

Abstract

The utility model relates to a grinding machine clamp which comprises a frame, a clamp body and a clamping device. The clamping unit comprises a sliding rod and a plurality of clamping seats, the sliding rod is assembled in the containing opening, the clamping seats are arranged along the sliding rod in a sliding and sleeving mode, and a workpiece clamping area is formed between every two adjacent clamping seats; the clamping screws are in one-to-one correspondence with the clamping units and are arranged in the threaded holes in one side of the frame in a threaded penetrating mode, when the clamping screws on one side of the frame are screwed in, the multiple clamping bases are sequentially pushed to be close to the other side of the frame, and the clamping bases are matched with the inner walls of the frame containing openings in the opposite sides through the clamping screws; and the workpieces in the workpiece clamping areas are synchronously locked. The multiple clamping seats can be driven to be synchronously locked through the single screw, clamping is stable, and efficiency is high.

Description

Technical Field

[0001] This utility model relates to the field of grinding machine processing equipment, and specifically to a grinding machine fixture. Background Technology

[0002] In the field of machining, grinding machines, as high-precision machining equipment, rely heavily on the structural design of their fixtures to directly affect workpiece clamping stability and machining accuracy. Most existing grinding machine fixtures can only clamp a single set of workpieces, failing to meet the demands of batch processing. While some multi-station fixture designs employ multi-drive structures to clamp multiple workpieces, these designs suffer from structural complexity and cumbersome operation. Furthermore, they struggle to achieve synchronous locking of multiple clamping positions using a single drive component, leading to uneven force distribution at each clamping position. This results in workpiece loosening and displacement, severely impacting clamping stability and machining accuracy, and ultimately failing to meet the demands of efficient and precise grinding machine machining. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art by providing a grinding machine fixture that can drive multiple clamps to lock synchronously through a single screw, resulting in stable clamping and high efficiency.

[0004] The technical solution of this utility model: a grinding machine fixture, comprising:

[0005] The frame has an internal accommodating opening;

[0006] At least one set of clamping units, the clamping unit including a slide rod and several clamping seats, the slide rod is assembled in the receiving opening, the several clamping seats are slidably sleeved along the slide rod, and a workpiece clamping area is formed between two adjacent clamping seats;

[0007] The clamping screw corresponds one-to-one with the clamping unit and is threaded through the threaded hole on one side of the frame. When the clamping screw on one side of the frame is screwed in, it pushes several clamping seats toward the other side of the frame in sequence and locks the workpieces in each workpiece clamping area simultaneously through the cooperation between the clamping screw and the inner wall of the frame receiving opening on the opposite side.

[0008] The above technical solution enables precise positioning and reliable clamping of multiple workpieces simultaneously. By setting an accommodating opening inside the frame to assemble a sliding rod, several clamping seats are slidably mounted on the sliding rod, forming a workpiece clamping area between adjacent clamping seats. This allows for flexible adaptation to workpieces of different sizes and shapes. The clamping screws correspond one-to-one with the clamping units; when screwed in, they sequentially push and close the multiple clamping seats towards the other side of the frame, engaging with the inner wall of the accommodating opening on the opposite side of the frame. This achieves synchronous locking of workpieces within each clamping area, effectively solving the problems of uneven clamping force, poor workpiece positioning accuracy, and complex synchronous clamping operations in existing multi-station fixtures, significantly improving the grinding efficiency of batches of small workpieces.

[0009] By combining the structure of "clamping screw pushing + several clamping seats linkage + inner wall limiting of the receiving port", the workpiece can be locked synchronously by multiple clamping seats without the need for multiple independent drive mechanisms.

[0010] A further feature of this invention is that the clamping unit is configured as multiple groups, each group of clamping units is correspondingly equipped with the clamping screw, the multiple groups of clamping units are arranged at intervals along the transverse side of the frame, and several clamping seats in each group of clamping units are distributed along the longitudinal side of the frame.

[0011] With the above-mentioned further configuration, multiple clamping units are arranged at horizontal intervals and the clamping seats are distributed along the longitudinal direction, which can clamp multiple sets / rows of workpieces at the same time, adapting to batch processing scenarios, greatly improving the processing efficiency of grinding machines, and each unit is driven independently, which makes it easy to accurately control the clamping state of a single unit.

[0012] A further feature of this invention is that each clamping unit is equipped with a pair of parallel sliding rods, and several clamping seats are slidably sleeved on the pair of sliding rods and form a guiding engagement with the pair of sliding rods.

[0013] With the above-mentioned further configuration, a pair of parallel slide rods provide bidirectional guidance for the clamping seat, preventing tilting and offset when the clamping seat slides, improving the stability of the clamping seat movement, thereby ensuring the workpiece clamping and positioning accuracy and reducing workpiece displacement error during grinding.

[0014] A further feature of this invention is as follows: the frame includes two main rods arranged opposite each other and a side rod connecting the two main rods, wherein the side rod and the main rod are detachably connected; mounting holes are correspondingly opened on the opposite walls of the two main rods, and the two ends of the slide rod are respectively positioned and assembled in the mounting holes of the two main rods, and axial limiting is formed by the two main rods and the two ends of the slide rod abutting against each other; one of the main rods is provided with a threaded hole, and the other main rod is used to cooperate with the clamping seat.

[0015] With the above-mentioned further design, the detachable side rod and main rod structure allows for quick assembly and disassembly of the frame and facilitates the installation of the slide rod. The mounting holes on the two main rods provide a precise positioning and assembly position for the slide rod, and the axial limiting design ensures that the slide rod will not move axially during operation, while also facilitating the independent insertion of the clamp on the slide rod.

[0016] A further feature of this invention is that the side rod and the main rod are connected by a positioning block and a positioning groove to form a sliding fit, and are locked and fixed by a locking component.

[0017] With the above-mentioned further settings, the sliding cooperation between the positioning block and the positioning groove enables the main rod and the side rod to be quickly pre-positioned, and then locked by the locking component, which not only ensures the assembly accuracy of the frame, but also improves the convenience of disassembly and assembly, and adapts to the frame adjustment needs when processing workpieces of different specifications.

[0018] A further feature of this invention is as follows: the end of the main rod is provided with a positioning block, the end of the side rod is provided with a positioning groove corresponding to the position of the positioning block, and a threaded hole is opened on the side rod that extends to the positioning groove. The locking component is a locking screw, which is threaded through the threaded hole and its end abuts against the positioning block to lock and fix the side rod and the main rod.

[0019] By further configuring the above-mentioned screw, the locking screw passes through the screw hole of the side rod and abuts against the main rod positioning block, thereby achieving rigid locking between the main rod and the side rod, avoiding loosening of the connection due to vibration during processing, and improving the stability of the frame structure.

[0020] A further feature of this invention is that the two main rods are connected to the two side rods to form a rectangular frame structure.

[0021] With the above-mentioned further design, the rectangular frame structure provides a stable load-bearing foundation for each component, improves the overall structural strength of the frame, adapts to the high-frequency vibration scenario during grinding, and extends the service life of the fixture. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of a specific embodiment of the present utility model;

[0023] Figure 2 This is a schematic diagram of the clamping unit structure according to a specific embodiment of the present utility model;

[0024] Figure 3 This is a schematic diagram of the frame structure of a specific embodiment of the present utility model;

[0025] Figure 4 This is a schematic diagram of one of the main rod structures in a specific embodiment of this utility model;

[0026] Figure 5 This is a schematic diagram of the side rod structure of a specific embodiment of the present utility model.

[0027] In the diagram: Frame 1, receiving port 11, clamping unit 2, slide bar 21, clamping seat 22, clamping screw 3, threaded hole 12, main rod 13, side rod 14, mounting hole 131, positioning block 41, positioning groove 42, screw hole 141, locking component 5, workpiece 6. Detailed Implementation

[0028] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] like Figure 1-5As shown, a grinding machine fixture of this utility model includes:

[0030] Frame 1, which has an internal receiving opening 11;

[0031] At least one set of clamping units 2, the clamping unit 2 includes a slide rod 21 and a plurality of clamping seats 22, the slide rod 21 is assembled in the receiving opening 11, the plurality of clamping seats 22 are slidably sleeved along the slide rod 21, the clamping seats have through holes for the slide rod to pass through, and a workpiece clamping area is formed between two adjacent clamping seats 22.

[0032] The clamping screw 3 corresponds one-to-one with the clamping unit 2 and is threaded through the threaded hole 12 on one side of the frame 1. When the clamping screw 3 on one side of the frame is screwed in, it pushes several clamping seats 22 toward the other side of the frame 1 in sequence, and locks the workpieces in each workpiece clamping area simultaneously through the cooperation between the clamping screw 3 and the inner wall of the frame receiving opening 11 on the opposite side.

[0033] Specifically, the clamping unit 2 is configured in multiple groups, each group of clamping units 2 is correspondingly equipped with the clamping screw 3, the multiple groups of clamping units 2 are arranged laterally at intervals along the frame 1, and several clamping seats 22 in each group of clamping units 2 are distributed longitudinally along the frame 1. Each group of clamping units 2 is equipped with a pair of parallel sliding rods 21, and several clamping seats 22 are slidably sleeved on the pair of sliding rods 21 and form a guiding engagement with the pair of sliding rods 21.

[0034] Specifically, the frame 1 includes two main rods 13 arranged opposite to each other and a side rod 14 connecting the two main rods, wherein the side rod 14 and the main rod 13 are detachably connected; the opposite walls of the two main rods 13 are provided with mounting holes 131, and the two ends of the slide rod 21 are respectively positioned and assembled in the mounting holes 131 of the two main rods 13, and the two main rods 13 and the two ends of the slide rod 21 abut against each other to form an axial limit. The mounting holes are blind holes, and the ends of the slide rods are inserted into the blind holes and can form an abutment limit with the bottom wall of the hole. Of course, the ends of the slide rods can also form an abutment limit with the inner wall of the main rods; one of the main rods 13 is provided with a threaded hole 12, and the other main rod 13 is used to cooperate with the clamp 22. The side rod 14 and the main rod 13 are connected by a positioning block 41 and a positioning groove 42 to form a sliding fit, and the two are locked and fixed by a locking member 5. The main rod 13 has a positioning block 41 at its end, and the side rod 14 has a positioning groove 42 at its end corresponding to the positioning block 41. The side rod 14 also has a threaded hole 141 extending into the positioning groove 42. The locking member 5 is a locking screw, threaded through the threaded hole 141, with its end abutting against the positioning block 41 to lock the side rod 14 to the main rod 13. The positioning block is a dovetail block or a T-block, and the positioning groove is a matching dovetail groove or T-groove.

[0035] The two main rods 13 and the two side rods 14 are connected to form a rectangular frame structure.

[0036] This grinding machine fixture achieves stable workpiece clamping through the synergistic effect of "frame support + clamping unit adapting to the workpiece + screw drive locking," meeting the requirements for workpiece positioning accuracy and locking reliability during grinding machine processing. The specific working principle is as follows:

[0037] I. Assembly Stage

[0038] Several clamps are slidably fitted onto the slide rod. The two ends of the slide rod are then respectively assembled and inserted into the mounting holes of the two main rods to achieve axial limiting of the slide rod and prevent sliding deviation. The two main rods and two side rods are then used to form a rectangular frame structure. The positioning blocks of the main rods are inserted into the positioning grooves of the side rods. After pre-positioning, the locking screws are screwed into the screw holes of the side rods so that the ends of the screws press against the positioning blocks, thereby achieving rigid locking of the main rods and side rods and forming a stable frame load-bearing structure.

[0039] II. Workpiece Placement Stage

[0040] According to the processing requirements, the workpiece is placed in the workpiece clamping area between the two clamps. If it is batch processing, multiple clamping units are arranged horizontally along the frame, and the clamps of each unit are distributed vertically. Multiple sets / rows of workpieces can be placed at the same time to adapt to different batch processing requirements.

[0041] III. Locking Stage

[0042] The clamping screw on one of the main rods is screwed in, and its end pushes against the clamping seat near the main rod. The force is then transmitted to the adjacent clamping seats through the clamping seat, causing several clamping seats to move towards another main rod along the slide bar. When the clamping seat near the other main rod comes into contact with the other main rod, the workpiece in the workpiece clamping area between each clamping seat is locked synchronously.

[0043] When it is necessary to change the workpiece, simply unscrew the clamping screw in the opposite direction to remove the workpiece 6.

[0044] It should be noted that in the description of this utility model, all directional indicators (such as up, down, forward, backward, etc.) are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0045] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. In the description of this utility model, "a number" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0046] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," "fixing," and "installation" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A grinding machine fixture, characterized in that, include: The frame (1) has an internal accommodating opening (11). At least one set of clamping units (2), the clamping unit (2) includes a slide rod (21) and a plurality of clamping seats (22), the slide rod (21) is assembled in the receiving opening (11), the plurality of clamping seats (22) are slidably sleeved along the slide rod (21), and a workpiece clamping area is formed between two adjacent clamping seats (22); The clamping screw (3) corresponds one-to-one with the clamping unit (2) and is threaded through the threaded hole (12) on one side of the frame (1). When the clamping screw (3) located on one side of the frame is screwed in, it pushes several clamping seats (22) toward the other side of the frame (1) in sequence. Through the cooperation between the clamping screw (3) and the inner wall of the frame receiving opening (11) on the opposite side, the workpieces in each workpiece clamping area are locked simultaneously.

2. The grinding machine fixture according to claim 1, characterized in that: The clamping unit (2) is configured in multiple groups, and each group of clamping units (2) is equipped with a clamping screw (3). The multiple groups of clamping units (2) are arranged laterally along the frame (1), and several clamping seats (22) in each group of clamping units (2) are distributed longitudinally along the frame (1).

3. The grinding machine fixture according to claim 1, characterized in that: Each clamping unit (2) is equipped with a pair of parallel slide rods (21), and several clamping seats (22) are slidably sleeved on the pair of slide rods (21) and form a guiding fit with the pair of slide rods (21).

4. The grinding machine fixture according to claim 1, 2, or 3, characterized in that: The frame (1) includes two main rods (13) arranged opposite to each other and a side rod (14) connecting the two main rods, wherein the side rod (14) and the main rod (13) are detachably connected; the opposite walls of the two main rods (13) are provided with mounting holes (131), and the two ends of the slide rod (21) are respectively positioned and assembled in the mounting holes (131) of the two main rods (13), and the two ends of the slide rod (21) are abutted by the two main rods (13) to form an axial limit; one main rod (13) is provided with a threaded hole (12), and the other main rod (13) is used to cooperate with the clamp (22).

5. The grinding machine fixture according to claim 4, characterized in that: The side rod (14) and the main rod (13) are connected by a sliding fit between the positioning block (41) and the positioning groove (42), and are locked and fixed by the locking member (5).

6. The grinding machine fixture according to claim 5, characterized in that: The end of the main rod (13) is provided with a positioning block (41), and the end of the side rod (14) is provided with a positioning groove (42) corresponding to the position of the positioning block (41). The side rod (14) is provided with a screw hole (141) that extends to the positioning groove (42). The locking member (5) is a locking screw. The locking screw is threaded through the screw hole (141), and its end abuts against the positioning block (41) to achieve the locking and fixing of the side rod (14) and the main rod (13).

7. The grinding machine fixture according to claim 4, characterized in that: Two main rods (13) are connected to two side rods (14) to form a rectangular frame structure.

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