Workpiece fixing device for mechanical manufacturing

Abstract

The utility model discloses a mechanical manufacturing workpiece fixing device which comprises a base, a fixed block is arranged on the top of the base close to the back face, a movable block is arranged on the top of the base close to the front face, round fixing grooves are formed in the top of the fixed block and the top of the movable block, and a rotating column is inserted in the circle center position of each round fixing groove. Extension plates are fixedly connected to the two sides of the rotating column, locking screws are installed at the two ends of each extension plate in a penetrating mode, a connecting rod is fixedly connected to the top of the rotating column, a fixed plate is fixedly connected to the front face of the connecting rod, a clamping screw is rotatably installed at the bottom of the fixed plate, and a movable plate is arranged on the front face of the fixed plate. According to the workpiece fixing device for mechanical manufacturing, the locking and clamping screw clamps a plate through the fixed plate and the movable plate, and the locking nut is locked after the angle of the connecting rod is adjusted, so that the fixing direction of the plate is adjusted on the premise that the device is not moved, and the angle of the plate and the device is changed.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical manufacturing, in particular to a workpiece fixing device for mechanical manufacturing. Background Art

[0002] Mechanical manufacturing refers to the industrial sector engaged in the production of various power machinery, lifting and transportation machinery, chemical machinery, textile machinery, machine tools, tools, instruments, meters and other mechanical equipment. The mechanical manufacturing industry provides technical equipment for the entire national economy. During the processing of products by mechanical manufacturing, the products need to be fixed. There are various corresponding methods for products of various forms, and corresponding workpiece fixing devices are required for this purpose. For example, the prior art: CN215035624U, a clamping device for mechanical manufacturing, including a fixed frame, the surface of the fixed frame is provided with an adjustment device, the adjustment device is symmetrically arranged, the gap of the adjustment device is fixedly connected with a sliding rod and a limit rod, and the sliding rod is slidably connected with the limit device.

[0003] There are other existing technologies:

[0004] CN213497733U, a clamping device for mechanical manufacturing;

[0005] CN220313294U, a clamping device for mechanical manufacturing.

[0006] Most of the mechanically manufactured workpiece fixing devices mentioned in the above-mentioned prior art fix the workpiece by squeezing and clamping. For thinner plate products, only the wide surface can be clamped to prevent deformation, which limits the placement angle of the workpiece. When other positions of the workpiece need to be processed, the machine processing spindle cannot be adjusted, and the workpiece angle can only be adjusted by changing the direction of the fixture. The fixture needs to be disassembled and the coordinates need to be recalibrated, which greatly increases the working time. Utility Model Content

[0007] The purpose of the utility model is to provide a workpiece fixing device for mechanical manufacturing to solve the problems raised in the above background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanically manufactured workpiece fixing device includes a base, characterized in that: a fixed block is arranged on the top of the base near the back side, a movable block is arranged on the top of the base near the front side, circular fixing grooves are provided on the tops of the fixed block and the movable block, a locking groove is provided at the center position inside the circular fixing groove, a rotating column is inserted at the center position of the circular fixing groove, extension plates are fixedly connected on both sides of the rotating column, locking screws are installed through both ends of the extension plate, a locking nut is rotatably installed on the bottom of the locking screw, a connecting rod is fixedly connected to the top of the rotating column, a fixing plate is fixedly connected to the front side of the connecting rod, a clamping screw is rotatably installed on the bottom of the fixing plate, and a movable plate is provided on the front side of the fixing plate.

[0009] Preferably, fixed ear plates are fixedly connected to the four corners of the base side.

[0010] Preferably, a rotating cavity is opened at the center of the base, a threaded rod is inserted into the rotating cavity, a sliding block is sleeved on the surface of the threaded rod, and a pushing cavity is opened at the bottom of the movable block.

[0011] Preferably, the rotating cavity is provided with holes near the front and back sides of the base, and the threaded rod passes through and is lifted in the rotating cavity.

[0012] Preferably, a handle is sleeved on the front side of the threaded rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The workpiece fixing device manufactured by this machine fixes the fixed plate by locking the locking screw, adjusts the distance between the movable plate and the fixed plate, locks the clamping screw to clamp the plate, loosens the locking screw to adjust the angle of the connecting rod and then locks it, turns the handle to adjust the distance between the movable block and the fixed block, and then changes the angle between the plate and the device, thereby adjusting the fixing direction of the plate without adjusting the device.

[0015] 2. The workpiece fixing device manufactured by the machine rotates the rotating column to adjust the position of the fixing plate to above the corresponding fixed block and movable block, so that the workpiece can be placed between the fixed block and the movable block. The handle is turned to push the movable block to move and cooperate with the fixed block to clamp and fix the workpiece, so that the device can be used like an ordinary vise, which improves the use range of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the bottom of the movable block of the structure of the utility model;

[0018] Figure 3This is a schematic diagram of the structural fixing plate of the utility model;

[0019] Figure 4 This is a longitudinal sectional view of the structure of the utility model;

[0020] Figure 5 This is a transverse cross-sectional view of the structure of the utility model;

[0021] Figure 6 for Figure 5 An enlarged view of panel A is shown.

[0022] In the figure: 1. base; 2. threaded rod; 3. fixed block; 4. movable block; 5. fixed plate; 101. rotating cavity; 102. fixed ear plate; 201. handle; 202. slider; 301. circular fixing groove; 302. locking groove; 401. pushing cavity; 501. movable plate; 502. clamping screw; 503. connecting rod; 504. rotating column; 505. extension plate; 506. locking screw; 507. locking nut. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example: See Figure 1 , the utility model provides a technical solution: a workpiece fixing device for mechanical manufacturing.

[0025] Among them, a rotating cavity 101 is opened at the center position of the base 1, a threaded rod 2 is inserted inside the rotating cavity 101, a slider 202 is sleeved on the surface of the threaded rod 2, a fixed block 3 is arranged on the top of the base 1 near the back, a movable block 4 is arranged on the top of the base 1 near the front, circular fixing grooves 301 are opened on the top of the fixed block 3 and the movable block 4, a locking groove 302 is opened at the center position of the circular fixing groove 301, a rotating column 504 is inserted at the center position of the circular fixing groove 301, extension plates 505 are fixedly connected on both sides of the rotating column 504, locking screws 506 are installed through both ends of the extension plate 505, a locking nut 507 is rotatably installed at the bottom of the locking screw 506, a connecting rod 503 is fixedly connected to the top of the rotating column 504, a fixed plate 5 is fixedly connected to the front of the connecting rod 503, a clamping screw 502 is rotatably installed at the bottom of the fixed plate 5, and a movable plate 501 is arranged on the front of the fixed plate 5.

[0026] In this embodiment, the circular fixing groove 301 is provided at two locations on the fixed block 3 and the movable block 4, each of which is installed with a fixing structure consisting of a fixing plate 5 and other components, the bottom of the locking screw 506 is inserted into the circular fixing groove 301, the size of the locking groove 302 is larger than the circular fixing groove 301, and the locking nut 507 is arranged in the locking groove 302, and the locking screw 506 is rotated to drive the locking nut 507 to press the extension plate 505 against the top of the fixed block 3, thereby fixing the rotating column 504 to prevent it from rotating, thereby determining the angle between the fixing plate 5 and the fixed block 3, and the plate The material is inserted between the fixed plate 5 and the movable plate 501, and the clamping screw 502 is tightened to fix the plate, and the locking screw 506 is loosened. The rotating column 504 is rotated to adjust the position of the locking screw 506 in the circular fixed groove 301. After adjustment, the locking screw 506 is tightened to allow the locking nut 507 to move upward along the locking screw 506 in the locking groove 302, squeeze the top of the locking groove 302, and cooperate with the extension plate 505 to fix the rotating column 504. Similarly, the angles of other fixed plates 5 are adjusted so that multiple fixed plates 5 can clamp the plate together, thereby improving the stability of the clamped plate.

[0027] Among them, fixed ear plates 102 are fixedly connected to the four corners of the side of the base 1.

[0028] In this embodiment, fasteners can be inserted into the fixing ear plate 102 to fix the base 1 on the workbench, thereby fixing the entire fixing device.

[0029] The base 1 has a rotating cavity 101 at the center thereof, a threaded rod 2 is inserted into the rotating cavity 101, a slider 202 is sleeved on the surface of the threaded rod 2, and a pushing cavity 401 is formed at the bottom of the movable block 4.

[0030] In this embodiment, the top of the slider 202 extends out of the rotating cavity 101 and extends into the pushing cavity 401. The slider 202 and the pushing cavity 401 are both provided with two places. The centers of the two sliders 202 are provided with threaded holes and pass through the threaded rod 2. By rotating the threaded rod 2, the external thread on the threaded rod 2 and the internal thread in the threaded hole of the slider 202 are engaged. The two sides of the slider 202 are attached to the rotating cavity 101. As the threaded rod 2 rotates, the slider 202 moves forward or backward on the threaded rod 2, and is attached to the pushing cavity 401 through the top of the slider 202, thereby driving the movable block 4 to move, while the fixed block 3 is fixed on the base 1 and will not move. The distance between the fixed block 3 and the movable block 4 can be adjusted by rotating the threaded rod 2, the workpiece is placed between the fixed block 3 and the movable block 4, the movable block 4 is moved, and the workpiece is squeezed and fixed in cooperation with the fixed block 3, so that the device can fix the workpiece like a vise, not only by the fixed plate 5 to clamp the plate workpiece, but also by the fixed block 3 and the movable block 4 to clamp thicker block workpieces.

[0031] The rotating cavity 101 is provided with holes near the front and back sides of the base 1 , and the threaded rod 2 passes through the holes and is lifted up in the rotating cavity 101 .

[0032] In this embodiment, the threaded rod 2 is suspended in the rotating chamber 101 by the holes at both ends, and the slider 202 also serves to limit the threaded rod 2 to prevent it from shaking in the rotating chamber 101.

[0033] A handle 201 is sleeved on the front of the threaded rod 2 .

[0034] In this embodiment, the threaded rod 2 can be rotated by rotating the handle 201, which is more convenient for operators to operate.

[0035] Working principle: insert the plate between the fixed plate 5 and the movable plate 501 on the fixed block 3, lock the clamping screw 502, rotate the rotating column 504 to adjust the angle of the plate, and then tighten the locking screws 506 at both ends of the extension plate 505. The locking nut 507 on the locking screw 506 and the extension plate 505 cooperate to clamp and fix the rotating column 504, rotate the threaded rod 2 to adjust the distance from the movable block 4 to the fixed block 3, rotate the rotating column 504 on the movable block 4 to allow the fixed plate 5 and the movable plate 501 to continue to clamp the plate, and lock the clamping screw 502 and the locking screw 506 in turn to fix the plate at the required angle, so that the fixing device can fix the plate at multiple angles without moving itself. At the same time, put the workpiece between the fixed block 3 and the movable block 4, turn the handle 201 to squeeze and fix the workpiece, so that the device can fix the workpiece like a vise, thereby fixing other thicker workpieces, thereby improving the scope of application of the device.

[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A workpiece fixing device for mechanical manufacturing, comprising a base (1), characterized in that: A fixed block (3) is arranged at the top of the base (1) near the back, and a movable block (4) is arranged at the top of the base (1) near the front. A circular fixed groove (301) is provided at the top of the fixed block (3) and the movable block (4). A locking groove (302) is provided at the center of the circular fixed groove (301). A rotating column (504) is inserted at the center of the circular fixed groove (301). Extension plates (505) are fixedly connected to both sides of the rotating column (504). Locking screws (506) are installed through both ends of the extension plate (505). A locking nut (507) is rotatably installed at the bottom of the locking screw (506). A connecting rod (503) is fixedly connected to the top of the rotating column (504). A fixed plate (5) is fixedly connected to the front of the connecting rod (503). A clamping screw (502) is rotatably installed at the bottom of the fixed plate (5). A movable plate (501) is arranged at the front of the fixed plate (5).

2. A workpiece fixing device for mechanical manufacturing according to claim 1, characterized in that: Fixed ear plates (102) are fixedly connected at the four corners of the side surface of the base (1).

3. A workpiece fixing device for mechanical manufacturing according to claim 1, characterized in that: A rotating cavity (101) is provided at the center of the base (1), a threaded rod (2) is inserted into the rotating cavity (101), a sliding block (202) is sleeved on the surface of the threaded rod (2), and a pushing cavity (401) is provided at the bottom of the movable block (4).

4. A workpiece fixing device for mechanical manufacturing according to claim 3, characterized in that: The rotating chamber (101) is provided with holes near the front and back sides of the base (1), and the threaded rod (2) passes through and is lifted up in the rotating chamber (101).

5. A workpiece fixing device for mechanical manufacturing according to claim 3, characterized in that: The front side of the threaded rod (2) is sleeved with a handle (201).

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