Mechanical clamping device

Abstract

The utility model relates to the technical field of clamping, and provides a mechanical clamping device which comprises a table body, a sliding groove is formed in the center of the outer surface of the top of the table body, a two-way screw rod is movably embedded in the sliding groove, two sliding blocks are movably arranged on the outer surface of the two-way screw rod in a sleeved mode, the two sliding blocks are symmetrical, and the two sliding blocks are arranged in the sliding groove. The two sliding blocks are movably embedded in the sliding grooves. An object needing to be clamped is placed on the table body, the first servo motor is started to drive the two-way screw to rotate, the two-way screw drives the two clamping plates to move oppositely or oppositely through the two sliding blocks, adjustment is carried out according to the size of the object, and therefore the object is clamped and fixed, and first protection pads are fixedly installed on the opposite faces of the two clamping plates. The objects can be protected while friction force is improved, telescopic plates are fixedly installed on the two sliding blocks oppositely, the telescopic plates can block the sliding grooves, and the objects are prevented from being clamped and embedded into the sliding grooves to affect clamping and fixing.

Description

Technical Field

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

[0002] A mechanical clamping device is a crucial tool for securing and holding specimens in mechanical experiments. It prevents specimens from slipping or falling during the experiment, thereby ensuring the accuracy and reliability of experimental data. Different experimental types and specimen shapes require the appropriate clamping device.

[0003] However, in the existing technology, most mechanical clamping devices are not convenient for adjusting the clamping according to the shape of the object. Therefore, different objects require different clamping devices for fixation, which increases the cost and reduces the practicality of the clamping device. Moreover, the clamping force on both sides of the traditional clamping device is weak, which easily causes the two sides of the object to slide, thereby reducing stability and easily affecting the accuracy of the data during test operations. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that most mechanical clamping devices in the prior art are not convenient for adjusting the clamping according to the shape of the object, so different objects require different clamping devices for fixation, which increases the cost and reduces the practicality of the clamping device. Moreover, the clamping force on both sides of the traditional clamping device is weak, which easily causes the two sides of the object to slide, thereby reducing stability and easily affecting the accuracy of the data during test operations.

[0005] In order to achieve the above-mentioned object, the present invention adopts the following technical solution: a mechanical clamping device, comprising: a table body, a slide groove is opened at the center of the outer surface of the top of the table body, a bidirectional screw is movably embedded in the interior of the slide groove, and two sliders are movably sleeved on the outer surface of the bidirectional screw, the two sliders are symmetrical, and both of the sliders are movably embedded in the interior of the slide groove, and further comprising:

[0006] Two clamping plates are fixedly mounted on the top of the two sliders, and rectangular grooves are formed on the opposite back surfaces of the two clamping plates, and circular shafts are fixedly embedded on both sides of the two rectangular grooves;

[0007] A telescopic plate is fixedly mounted on opposite sides of the two sliders and is movably embedded in the slide groove;

[0008] A plurality of U-shaped connecting plates are movably sleeved on the outer surfaces of the plurality of circular shafts. The plurality of U-shaped connecting plates are evenly divided into two groups. The opposite ends of the two groups of U-shaped connecting plates are fixedly mounted with a rotating shaft 1.

[0009] Preferably, the outer surfaces of the two groups of rotating shafts are movably sleeved with support rods, and the two groups of support rods are movably embedded in the interior of the U-shaped connecting plate.

[0010] The technical effect of adopting the above further solution is that the support rod can be folded and stored inside the U-shaped plate.

[0011] Preferably, a second rotating shaft is fixedly installed at the four corners of the outer surface of the top of the table body, and the other ends of the two groups of support rods are movably sleeved on the outer surface of the second rotating shaft.

[0012] The technical effect of adopting the above further solution is that the support rods and the U-shaped connecting plates can support both sides of the clamping plate, thereby improving the stability of both sides of the clamping plate.

[0013] Preferably, a servo motor 1 is fixedly installed at the center of the outer surface of one side of the table body, and the output end of the servo motor 1 passes through a slide groove and is fixedly installed at one end of a bidirectional screw.

[0014] The technical effect of adopting the above further solution is: the servo motor 1 can drive the bidirectional screw to rotate, and the bidirectional screw drives the two clamping plates to move relative to or away from each other.

[0015] Preferably, a protective pad 1 is fixedly mounted on opposite surfaces of the two clamping plates, and a mounting frame is fixedly mounted at the top center of the two clamping plates.

[0016] The technical effect of adopting the above further solution is that the protective pad can improve the friction and protect the object at the same time.

[0017] Preferably, a connecting shaft is movably embedded in the inner upper ends of the two mounting frames, a rectangular plate is fixedly sleeved on the outer surfaces of the two connecting shafts, and an electric push rod is fixedly installed on the upper ends of the opposite surfaces of the two rectangular plates.

[0018] The technical effect of adopting the above further solution is that the connecting shaft can drive the rectangular plate to rotate.

[0019] Preferably, one end of the two electric push rods is fixedly mounted with an arc-shaped clamping plate, and the opposite surfaces of the two arc-shaped clamping plates are fixedly mounted with a second protective pad.

[0020] The technical effect of adopting the above further solution is that the electric push rod can drive the arc-shaped clamping plate to clamp the object, and adjust the clamping according to the different shapes of the object.

[0021] Preferably, a servo motor 2 is fixedly mounted on the outer surface of one side of the two mounting frames, and the output ends of the two servo motors 2 pass through the mounting frames and are fixedly mounted on one end of the connecting shaft.

[0022] The technical effect of adopting the above further solution is that the servo motor 2 can drive the arc-shaped clamping plate to adjust through the connecting shaft, thereby clamping and fixing different objects.

[0023] Compared with the prior art, the advantages and positive effects of the present invention are:

[0024] The two ends of the support rod are movably connected to the outer surface of the rotating shaft 2, and the support rod cooperates with the U-shaped connecting plate to support the two sides of the clamping plate, thereby improving the stability and clamping of the two sides, and better improving the clamping of the object and preventing the object from sliding.

[0025] 2. In the utility model, an arc-shaped splint is movably installed through a mounting frame, and two arc-shaped splints are fixedly mounted on the outer surface of the connecting shaft through a rectangular plate. When two servo motors are turned on, the arc-shaped splints are driven to rotate 90 degrees relative to each other through the connecting shaft, and then the two electric push rods drive the arc-shaped splints to clamp the object, thereby better improving the stability of the object. The two arc-shaped splints can relatively clamp cylindrical objects, thereby better improving the practicality of the clamping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the structure of a mechanical clamping device proposed in the utility model;

[0027] Figure 2 This is a side structural diagram of a mechanical clamping device proposed in the utility model;

[0028] Figure 3 This is a partial cross-sectional structural diagram of a mechanical clamping device proposed in the utility model;

[0029] Figure 4 The utility model proposes a mechanical clamping device Figure 2 Enlarged structural diagram at point A in the middle.

[0030] Legend:

[0031] 1. Table body; 101. Slide; 102. Bidirectional screw; 103. Slider; 104. Clamping plate; 105. Protective pad 1; 106. Rectangular groove; 107. Rotating shaft 2; 108. Support rod; 109. U-shaped connecting plate; 110. Rotating shaft 1; 111. Circular shaft; 112. Servo motor 1; 113. Mounting frame; 114. Arc-shaped clamping plate; 115. Protective pad 2; 116. Telescopic plate; 117. Connecting shaft; 118. Rectangular plate; 119. Servo motor 2; 120. Electric push rod. DETAILED DESCRIPTION

[0032] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0034] Example 1, as Figure 1-4 As shown, the utility model provides a mechanical clamping device, comprising: a table body 1, a slide groove 101 is opened at the center of the outer surface of the top of the table body 1, a bidirectional screw 102 is movably embedded in the slide groove 101, and two sliders 103 are movably sleeved on the outer surface of the bidirectional screw 102, the two sliders 103 are symmetrical, and the two sliders 103 are movably embedded in the slide groove 101, and further comprising: two clamping plates 104, both of which are fixedly mounted on the top of the two sliders 103, the opposite back surfaces of the two clamping plates 104 are each provided with a rectangular groove 106, and both sides of the inside of the two rectangular grooves 106 are fixedly embedded with a circular shaft 111; a telescopic plate 116, fixedly mounted on the opposite surfaces of the two sliders 103, and the telescopic plate 116 is movably embedded in the slide groove 10 1; multiple U-shaped connecting plates 109 are movably mounted on the outer surfaces of multiple circular shafts 111, and the multiple U-shaped connecting plates 109 are evenly divided into two groups, and the opposite ends of the two groups of U-shaped connecting plates 109 are fixedly mounted with a rotating shaft 110; the outer surfaces of the two groups of rotating shafts 110 are movably mounted with support rods 108, and the two groups of support rods 108 are movably embedded in the interior of the U-shaped connecting plates 109; rotating shaft 2 107 is fixedly mounted at the four corners of the top outer surface of the table body 1, and the other ends of the two groups of support rods 108 are movably mounted on the outer surface of rotating shaft 2 107; a servo motor 112 is fixedly mounted at the center of the outer surface of one side of the table body 1, and the output end of the servo motor 112 passes through the slide slot 101 and is fixedly mounted on one end of the bidirectional screw 102.

[0035] In this embodiment, the object to be clamped is placed on the table body 1, and the servo motor 112 is turned on to drive the bidirectional screw 102 to rotate. The bidirectional screw 102 drives the two clamping plates 104 to move relative to or opposite to each other through the two sliders 103, and is adjusted according to the size of the object to clamp and fix the object. The opposite surfaces of the two clamping plates 104 are fixedly installed with protective pads 105, which can increase friction and protect the object at the same time. The two sliders 103 are relatively fixedly installed with telescopic plates 116, which can block the slide 101. To prevent objects from being stuck inside and affecting clamping and fixing, rectangular grooves 106 are provided on the opposite sides of the two clamping plates 104. The two sides inside the rectangular grooves 106 are movably connected with U-shaped connecting plates 109 through circular shafts 111. The U-shaped connecting plates 109 are connected to the support rods 108 through the rotating shaft 110. The other end of the support rod 108 is movably sleeved on the outer surface of the rotating shaft 2 107. The support rod 108 cooperates with the U-shaped connecting plate 109 to support both sides of the clamping plate 104, improve the stability and clamping of both sides, better improve the clamping of objects, and prevent objects from sliding.

[0036] Example 2, as Figure 1-4 As shown, protective pads 105 are fixedly installed on the opposite surfaces of the two clamping plates 104, and mounting frames 113 are fixedly installed at the top centers of the two clamping plates 104; connecting shafts 117 are movably embedded in the inner upper ends of the two mounting frames 113, and rectangular plates 118 are fixedly sleeved on the outer surfaces of the two connecting shafts 117, and electric push rods 120 are fixedly installed on the upper ends of the opposite surfaces of the two rectangular plates 118; arc-shaped clamping plates 114 are fixedly installed on one end of the two electric push rods 120, and protective pads 115 are fixedly installed on the opposite surfaces of the two arc-shaped clamping plates 114; servo motors 119 are fixedly installed on the outer surfaces of one side of the two mounting frames 113, and the output ends of the two servo motors 119 pass through the mounting frames 113 and are fixedly installed on one end of the connecting shaft 117.

[0037] In this embodiment, an arc-shaped splint 114 is movably installed through the mounting frame 113, and the two arc-shaped splints 114 are fixedly mounted on the outer surface of the connecting shaft 117 through a rectangular plate 118. The two servo motors 119 are turned on to drive the arc-shaped splints 114 to rotate 90 degrees relative to each other through the connecting shaft 117, and then the two electric push rods 120 drive the arc-shaped splints 114 to clamp the object, thereby better improving the stability of the object. The two arc-shaped splints 114 can relatively clamp cylindrical objects, thereby better improving the practicality of the clamping device.

[0038] Working principle: When in use, place the object to be clamped on the table body 1, turn on the servo motor 112 to drive the bidirectional screw 102 to rotate, and the bidirectional screw 102 drives the two clamping plates 104 to move relative or opposite to each other through the two sliders 103, and adjust according to the size of the object to clamp and fix the object. The opposite surfaces of the two clamping plates 104 are fixedly installed with protective pads 105, which can increase friction while protecting the object. The two sliders 103 are relatively fixedly installed with telescopic plates 116, which can block the slide 101 to prevent the object from being stuck inside and affecting the clamping and fixation. Rectangular grooves 106 are provided on the opposite sides of the two clamping plates 104, and the two sides of the rectangular groove 106 are movably connected with U-shaped connecting plates 109 through circular shafts 111. The U-shaped connecting plates 109 are connected to the support rod 108 through rotating shaft 110. The two arc splints 114 are fixedly mounted on the outer surface of the connecting shaft 117 through the rectangular plate 118. When the two servo motors 119 are turned on, the arc splints 114 are driven to rotate 90 degrees relative to each other through the connecting shaft 117. Then, the two electric push rods 120 drive the arc splints 114 to clamp the object, thereby better improving the stability of the object. The two arc splints 114 can relatively clamp cylindrical objects, thereby better improving the practicality of the clamping device.

[0039] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A mechanical clamping device comprising: A table body (1) is provided with a slide groove (101) at the center of the outer surface of the top of the table body (1), a bidirectional screw (102) is movably embedded in the interior of the slide groove (101), two sliders (103) are movably sleeved on the outer surface of the bidirectional screw (102), the two sliders (103) are symmetrical, and the two sliders (103) are movably embedded in the interior of the slide groove (101), characterized in that it also includes: Two clamping plates (104) are fixedly mounted on the tops of the two sliders (103); rectangular grooves (106) are provided on opposite sides of the two clamping plates (104); and circular shafts (111) are fixedly embedded on both sides of the inside of the two rectangular grooves (106); A telescopic plate (116) is fixedly mounted on opposite surfaces of the two sliders (103), and the telescopic plate (116) is movably embedded in the interior of the slide groove (101); A plurality of U-shaped connecting plates (109) are movably sleeved on the outer surfaces of the plurality of circular shafts (111), and the plurality of U-shaped connecting plates (109) are evenly divided into two groups, and the opposite ends of the two groups of U-shaped connecting plates (109) are fixedly mounted with a rotating shaft 1 (110).

2. A mechanical clamping device according to claim 1, characterized in that: The outer surfaces of the two groups of rotating shafts (110) are both movably sleeved with support rods (108), and the two groups of support rods (108) are both movably embedded in the interior of the U-shaped connecting plate (109).

3. A mechanical clamping device according to claim 2, characterized in that: The four corners of the outer surface of the top of the table body (1) are fixedly mounted with a second rotating shaft (107), and the other ends of the two groups of support rods (108) are movably sleeved on the outer surface of the second rotating shaft (107).

4. A mechanical clamping device according to claim 1, characterized in that: A servo motor (112) is fixedly mounted at the center of the outer surface of one side of the table body (1), and an output end of the servo motor (112) passes through the slide groove (101) and is fixedly mounted on one end of the bidirectional screw (102).

5. The mechanical clamping device according to claim 1, characterized in that: The opposing surfaces of the two clamping plates (104) are both fixedly mounted with a protective pad 1 (105), and the top centers of the two clamping plates (104) are both fixedly mounted with a mounting frame (113).

6. A mechanical clamping device according to claim 5, characterized in that: The inner upper ends of the two mounting frames (113) are both movably embedded with connecting shafts (117), the outer surfaces of the two connecting shafts (117) are both fixedly sleeved with rectangular plates (118), and the upper ends of the opposite surfaces of the two rectangular plates (118) are both fixedly installed with electric push rods (120).

7. The mechanical clamping device according to claim 6, characterized in that: One end of the two electric push rods (120) is fixedly mounted with an arc-shaped clamping plate (114), and the opposite surfaces of the two arc-shaped clamping plates (114) are fixedly mounted with a second protective pad (115).

8. The mechanical clamping device according to claim 5, characterized in that: A servo motor 2 (119) is fixedly mounted on the outer surface of one side of the two mounting frames (113), and the output ends of the two servo motors 2 (119) pass through the mounting frames (113) and are fixedly mounted on one end of the connecting shaft (117).

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