CN219212362U - A mechanical fixture for mechanical design - Google Patents

Abstract

The utility model relates to the technical field of mechanical design, and discloses a mechanical clamp for mechanical design, which comprises a base, a fixed seat and a supporting plate, wherein the outer surfaces of two springs far away from an L-shaped plate are fixedly connected with a first clamping plate, the outer surfaces of the right side and the L-shaped plate are fixedly provided with pressure sensors, the outer surfaces of the left side and the L-shaped plate are fixedly connected with a second clamping plate, and the outer surface of the top of the base is fixedly provided with an alarm. This mechanical clamp for mechanical design drives positive and negative lead screw through the second carousel and rotates, and cooperation first splint and second splint press from both sides workpiece clamp to send out the alarm through pressure sensor cooperation alarm, solved current mechanical design in-process, generally press from both sides machinery through anchor clamps, the unable response anchor clamps of current anchor clamps are to the pressure of machinery, and the too big partial deformation of machinery that causes easily of pressure influences the quality, and the pressure is less unable accurate anchor clamps, influences the problem of processing.

Description

A mechanical fixture for mechanical design

technical field

The utility model relates to the technical field of mechanical design, in particular to a mechanical fixture for mechanical design.

Background technique

Mechanical design conceives, analyzes and calculates the working principle, structure, motion mode, force and energy transmission mode, material, shape and size of each part, lubrication method, etc. of the machine according to the requirements of use, and transforms them into specific descriptions as Manufacturing basis work process. During mechanical design and processing, in order to ensure the accuracy of mechanical workpieces, it is usually necessary to use fixtures to fix the workpieces.

In the existing mechanical design process, the machine is generally clamped by the fixture. The existing fixture cannot sense the pressure of the fixture on the machine. If the pressure is too large, it will easily cause local deformation of the machine and affect the quality. A mechanical fixture for mechanical design is proposed.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a mechanical fixture for mechanical design to solve the problem that in the process of the existing mechanical design mentioned in the above-mentioned background technology, the machine is generally clamped by the fixture, and the existing fixture cannot sense The pressure of the fixture on the machine, if the pressure is too large, it will easily cause local deformation of the machine, affecting the quality, and if the pressure is small, it will not be able to accurately clamp and affect the processing.

In order to achieve the above purpose, the utility model provides the following technical solutions: a mechanical fixture for mechanical design, including a base, a fixing seat and a support plate, the outer surfaces of the left and right sides of the top of the fixing seat are fixedly connected with fixing plates, two The opposite outer surface of the fixed plate is rotatably connected with a positive and negative screw rod, and the outer surface of the positive and negative screw rod is threaded with a threaded connecting plate, and the top outer surface of the threaded connecting plate is fixedly connected with an L-shaped plate, and the right The outer surface of the L-shaped plate on the side is fixedly connected with two springs, and the outer surface of the two springs away from the L-shaped plate is fixedly connected with the first splint, and the outer surface of the L-shaped plate on the right is fixedly installed with a pressure sensor. , the outer surface of the L-shaped plate on the left is fixedly connected with a second splint, the top outer surface of the base is fixedly equipped with an alarm, and the alarm is electrically connected to the pressure sensor.

Preferably, the top outer surface of the support plate is fixedly connected with a vertical plate, the outer surface of the vertical plate is movably penetrated by a rotating shaft, the outer surface of the middle end of the rotating shaft is provided with a threaded groove, and the outer surface of the threaded groove is threaded A threaded sleeve is connected, the outer surface of the rotating shaft is fixedly connected with the first turntable, the outer surface of the rotating shaft away from the first turntable is fixedly connected with a disc, the outer surface of the disc is fixedly connected with a connecting rod, and the two The connecting rod is fixedly connected with the fixed seat.

Preferably, a hydraulic cylinder is fixedly connected to the top outer surface of the base, the output end of the hydraulic cylinder is fixedly connected to the support plate, four telescopic columns are fixedly connected to the top outer surface of the base, and the four telescopic columns They are respectively fixedly connected with the bottom four corners of the support plate.

By adopting the above technical solution, the hydraulic cylinder can drive the support plate to adjust the fixture to a proper position, and the hydraulic cylinder can be divided into forces through the four telescopic columns.

Preferably, the left outer surface of the positive and negative screw rods is provided with forward threads, the right outer surface of the positive and negative screw rods is provided with reverse threads, and the two threaded connecting plates are connected with the positive and negative screw rods respectively. The outer surfaces of the left and right sides are threaded.

By adopting the above technical scheme, when the positive and negative screw rods rotate, the two threaded connecting plates are driven to move toward or away from each other.

Preferably, two sliding rods are fixedly connected to the opposite outer surfaces of the two fixing plates, and the two threaded connecting plates are movably sleeved on the outer surfaces of the two sliding rods.

Adopting the above technical scheme, the rotation of the positive and negative screw rods drives the two threaded connecting plates to slide on the slide rod, preventing the screwed connecting plates from rotating with the rotation of the positive and negative screw rods.

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

1. The mechanical design uses mechanical fixtures to drive the positive and negative screw rods to rotate through the second turntable, cooperate with the first splint and the second splint to clamp the workpiece, and use the pressure sensor to cooperate with the alarm to send out an alarm, which can remind the staff. The clamping pressure of the workpiece avoids the effect of damage to the workpiece, and solves the problem that in the process of existing mechanical design, the machine is generally clamped by the fixture. The existing fixture cannot sense the pressure of the fixture on the machine. Excessive pressure will easily cause local deformation of the machine. Affect the quality, the pressure is small, the fixture cannot be accurate, and the processing problem is affected.

2. The mechanical design uses a mechanical fixture to drive the workpiece to rotate through the rotation of the first turntable, and limit the rotation axis through the threaded sleeve and the thread groove, so that the clamped workpiece can be rotated according to the need, and it is convenient for processing. Effect.

Description of drawings

Fig. 1 is a schematic view of the front view of the utility model;

Fig. 2 is a schematic diagram of the rear view structure of the utility model;

Fig. 3 is a schematic diagram of a top view of the partial structure of the utility model.

In the figure: 1. base; 2. fixed seat; 3. fixed plate; 4. positive and negative screw rod; 5. threaded connecting plate; 6. L-shaped plate; 7. spring; ; 10, the second splint; 11, the support plate; 12, the vertical plate; 13, the rotating shaft; 14, the thread groove; 15, the thread sleeve; 16, the first turntable; Cylinder; 20, telescopic column; 21, alarm; 22, the second turntable.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1:

Please refer to Figures 1-3, a mechanical fixture for mechanical design, including a base 1, a fixed seat 2 and a support plate 11, a hydraulic cylinder 19 is fixedly connected to the top outer surface of the base 1, and the output end of the hydraulic cylinder 19 is connected to the support plate 11 is fixedly connected, and the support plate 11 is driven by a hydraulic cylinder 19 to adjust the clamp to a suitable height. The top outer surface of the base 1 is fixedly connected with four telescopic columns 20, and the four telescopic columns 20 are respectively connected to the bottom four corners of the support plate 11. Fixed connection, the telescopic column 20 acts as a force component to the hydraulic cylinder 19, the outer surfaces on the left and right sides of the top of the fixed seat 2 are fixedly connected with the fixed plate 3, and the opposite outer surfaces of the two fixed plates 3 are rotatably connected with the positive and negative screw rods 4 , the outer surface of the positive and negative screw mandrel 4 is threadedly connected with a threaded connecting plate 5, and the top outer surface of the threaded connecting plate 5 is fixedly connected with an L-shaped plate 6, the workpiece to be processed is placed on the L-shaped plate 6, and the first rotating Two rotating disks 22, the second rotating disk 22 drives the positive and negative screw mandrel 4 to rotate, so that the two threaded connecting plates 5 move toward each other, the outer surface of the right L-shaped plate 6 is fixedly connected with two springs 7, and the two springs 7 A first splint 8 is fixedly connected to the outer surface away from the L-shaped plate 6, a pressure sensor 9 is fixedly installed on the outer surface of the right L-shaped plate 6, and a second splint 10 is fixedly connected to the outer surface of the left L-shaped plate 6, The two L-shaped plates 6 move toward each other so that the first clamping plate 8 and the second clamping plate 10 clamp the workpiece, and the workpiece presses the first clamping plate 8, so that the spring 7 is compressed, and the first clamping plate 8 presses the pressure sensor 9 An alarm 21 is fixedly installed on the top outer surface of the base 1, and the alarm 21 is electrically connected to the pressure sensor 9. When the value sensed by the pressure sensor 9 reaches a certain value, a signal is sent to the alarm 21, so that the alarm 21 sends out Alarm to remind the staff that the pressure value is too high, so that it is convenient for the staff to adjust the clamping degree.

Working principle: When the utility model is in use, the hydraulic cylinder 19 drives the support plate 11 to adjust the fixture to a suitable height, places the workpiece to be processed on the L-shaped plate 6, and rotates the second turntable 22, the second turntable 22 drives the positive and negative screw rod 4 to rotate, so that the two threaded connecting plates 5 move toward each other until the first splint 8 and the second splint 10 clamp the workpiece, and the workpiece squeezes the first splint 8, causing the spring 7 to Compression, the first splint 8 squeezes the pressure sensor 9, and when the value sensed by the pressure sensor 9 reaches a certain value, a signal is sent to the alarm 21, so that the alarm 21 sends out an alarm to remind the staff that the pressure value is too large, thereby facilitating work Personnel adjust the degree of clamping.

Compared with related technologies, the utility model provides a mechanical fixture for mechanical design that has the following beneficial effects: it can remind the staff of the pressure of clamping the workpiece and avoid damage to the workpiece, and solves the problem of the existing mechanical design process. Generally, the machine is clamped by a fixture. The existing fixture cannot sense the pressure of the fixture on the machine. If the pressure is too large, it will easily cause local deformation of the machine and affect the quality.

Example 2:

Please refer to Figures 1-3 in combination, the top outer surface of the support plate 11 is fixedly connected with a vertical plate 12, the outer surface of the vertical plate 12 runs through a rotating shaft 13, and the outer surface of the middle end of the rotating shaft 13 is provided with a threaded groove 14, and the threaded groove 14 The outer surface of the outer surface is threaded with a first turntable 16. After the workpiece is clamped, when the clamped workpiece needs to be rotated to adjust to a suitable processing angle, the first turntable 16 is unscrewed so that the first turntable 16 from The outer surface of the vertical plate 12 is detached, so that the rotating shaft 13 can rotate. The outer surface of the rotating shaft 13 is fixedly connected with the first turntable 16, and when the first turntable 16 is rotated, the outer surface of the rotating shaft 13 away from the first turntable 16 is fixedly connected with a disc 17. , the first turntable 16 drives the disc 17 to rotate, and the outer surface of the disc 17 is fixedly connected with a connecting rod 18, and the two connecting rods 18 are fixedly connected with the fixed seat 2, and the disc 17 rotates, so that the connecting rod 18 drives the fixed seat 2 Rotate, after the workpiece is rotated to a suitable angle, the first turntable 16 is screwed in, so that the first turntable 16 is close to the vertical plate 12, and the rotating shaft 13 is fixed to prevent it from rotating.

Working principle: After the workpiece is clamped, when the clamped workpiece needs to be rotated to adjust to a suitable processing angle, the first turntable 16 is loosened so that the first turntable 16 is separated from the outer surface of the vertical plate 12, Then the rotating shaft 13 can rotate. Now, the rotating shaft 13 is rotated by the first rotating disc 16, and the rotating shaft 13 drives the disc 17 to rotate, and then the connecting rod 18 drives the fixing seat 2 to rotate. After the workpiece is rotated to a suitable angle, the first rotating disc is rotated. 16 is screwed in, so that the first rotating disk 16 is close to the riser 12, and the rotating shaft 13 is fixed to prevent it from rotating.

Compared with the related technology, the utility model provides a mechanical fixture for mechanical design which has the following beneficial effects: the clamped workpiece can be rotated according to the needs, and it is convenient to process it.

The selection of each device for the use of the above-mentioned equipment is different, and it is selected and used according to the actual situation, and various parameters are referred to, according to the function of the equipment used and the effect achieved.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A mechanical fixture for mechanical design, comprising a base (1), a holder (2) and a support plate (11), characterized in that: the outer surfaces of the top, left and right sides of the holder (2) are fixedly connected with The fixed plate (3), the opposite outer surfaces of the two fixed plates (3) are rotatably connected with positive and negative screw rods (4), and the outer surfaces of the positive and negative screw rods (4) are threadedly connected with threaded connecting plates (5 ), the top outer surface of the threaded connecting plate (5) is fixedly connected with an L-shaped plate (6), and the outer surface of the L-shaped plate (6) on the right side is fixedly connected with two springs (7), two The outer surface of the spring (7) away from the L-shaped plate (6) is fixedly connected with a first splint (8), the outer surface of the L-shaped plate (6) on the right side is fixedly equipped with a pressure sensor (9), and the left side The outer surface of the L-shaped plate (6) is fixedly connected with a second splint (10), and the top outer surface of the base (1) is fixedly equipped with an alarm (21), and the alarm (21) is connected with the pressure sensor (9) Electrical connection. 2. A mechanical fixture for mechanical design according to claim 1, characterized in that: a riser (12) is fixedly connected to the top outer surface of the support plate (11), and the outer surface of the riser (12) A rotating shaft (13) runs through the surface movement, and the outer surface of the middle end of the rotating shaft (13) is provided with a thread groove (14), and the outer surface of the thread groove (14) is threaded with a first turntable (16). The outer surface of the rotating shaft (13) is fixedly connected with a first rotating disk (16), and the outer surface of the rotating shaft (13) away from the first rotating disk (16) is fixedly connected with a disc (17). The outer surface is fixedly connected with connecting rods (18), and the two connecting rods (18) are fixedly connected with the fixing seat (2). 3. A mechanical fixture for mechanical design according to claim 1, characterized in that: a hydraulic cylinder (19) is fixedly connected to the top outer surface of the base (1), and the output end of the hydraulic cylinder (19) Fixedly connected with the support plate (11), the top outer surface of the base (1) is fixedly connected with four telescopic columns (20), and the four telescopic columns (20) are respectively connected to the bottom four corners of the support plate (11). Fixed connection. 4. A mechanical fixture for mechanical design according to claim 1, characterized in that: the left outer surface of the positive and negative screw rod (4) is provided with a forward thread, and the positive and negative screw rod (4) The outer surface on the right side is provided with reverse threads, and the two threaded connecting plates (5) are threadedly connected with the outer surfaces of the left and right sides of the positive and negative screw rods (4). 5. A kind of mechanical fixture for mechanical design according to claim 1, characterized in that: the opposite outer surfaces of the two fixed plates (3) are fixedly connected with two slide bars, and the two threaded connecting plates ( 5) The outer surfaces of the two slide bars are movable sleeves.

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