Mechanical clamp

Abstract

The utility model provides a mechanical clamp, relates to the technical field of mechanical clamps, and aims to solve the problems that when an existing mechanical clamp is used, the existing mechanical clamp is generally in direct contact with a workpiece through a clamping assembly, but the contact area of the clamping assembly and the workpiece is reduced due to the fact that the workpiece has a special-shaped structure; the workpiece clamping device comprises a mounting block, a clamping block and a clamping block, an adjusting screw rod is rotationally connected into the mounting block; a positioning insertion block is slidably connected into the telescopic groove. A matching screw rod is rotationally connected to the interior of the part fixing cylinder; and the matching screw rod is in threaded connection with an outer fixing frame. According to the clamping device for the special-shaped workpiece, the matching screw rod is rotationally connected into the workpiece fixing barrel, the outer fixing frame is conveniently controlled to be adjusted through threads in the rotating process so as to assist in jacking the workpiece in an outward extending mode, and meanwhile, the different outer fixing frames are adjusted, so that the special-shaped workpiece is conveniently clamped.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical clamps, and more specifically, relates to a mechanical clamp. Background Art

[0002] Mechanical design is an important part of mechanical engineering, the first step in mechanical production, and the most important factor in determining mechanical performance. The goal of mechanical design is to design the best machine under various limited conditions, that is, to make an optimized design. During mechanical design and processing, in order to ensure the accuracy of the mechanical workpiece, it is usually necessary to use a fixture to fix the workpiece. In order to keep the workpiece stable, a mechanical fixture is needed.

[0003] For example, a mechanical fixture for mechanical design proposed in application number: 202320236802.7 includes a base, a fixed seat and a support plate, the two springs are fixedly connected to the first clamping plate on the outer surface away from the L-shaped plate, the outer surface of the right L-shaped plate is fixedly installed with a pressure sensor, and the outer surface of the left L-shaped plate is fixedly connected with a second clamping plate, and the top outer surface of the base is fixedly installed with an alarm; the mechanical fixture for mechanical design drives the forward and reverse screws to rotate through the second turntable, cooperates with the first clamping plate and the second clamping plate to clamp the workpiece, and sends an alarm through the pressure sensor and the alarm, which solves the problem that in the existing mechanical design process, the machine is generally clamped by a clamp, and the existing clamp cannot sense the pressure of the clamp on the machine. Excessive pressure can easily cause local deformation of the machine, affecting the quality, and small pressure cannot accurately clamp the machine, affecting processing.

[0004] Based on the findings in the prior art, when existing mechanical clamps are in use, they usually directly contact the workpiece through the clamping assembly. However, due to the heterogeneous structure of the workpiece, the contact area between the clamping assembly and the workpiece is reduced, making it inconvenient to clamp the workpiece. Utility Model Content

[0005] In order to solve the above technical problems, the embodiments of the present disclosure relate to a mechanical clamp to solve the problem that when the existing mechanical clamp is in use, it usually directly contacts the workpiece through the clamping component, but due to the heterogeneous structure of the workpiece, the contact area between the clamping component and the workpiece is reduced, making it inconvenient to clamp the workpiece.

[0006] In a first aspect, the present disclosure provides a mechanical clamp, which is achieved by the following specific technical means:

[0007] A mechanical clamp comprises: a mounting block; a support frame is fixed to the bottom of the mounting block by screws; a driving gear is provided inside the mounting block; an adjusting screw is rotatably connected to the inside of the mounting block, and the adjusting screw is connected to the driving gear by a tooth; a supporting pad is provided on the top of the mounting block; a displacement frame is slidably connected to the inside of the mounting block; a docking slot is provided inside the displacement frame; a fixing barrel is inserted into the docking slot; a telescopic slot is provided inside the fixing barrel; a positioning block is slidably connected to the inside of the telescopic slot, and the positioning block is inserted into the docking slot; the interior of the fixing barrel is rotatably connected to the matching screw; the matching screw An outer fixing frame is threadedly connected to the rod, and the outer fixing frame is slidably connected to the inside of the firmware tube; the displacement frame is set as an L-shaped structure, a cylindrical protrusion is provided on the outer wall of the displacement frame, a threaded through hole is provided on the displacement frame, and there are two groups of displacement frames in total; the firmware tube is set as a rectangular frame structure, an axial hole is provided on the firmware tube, an axial hole is provided on the inner wall of the firmware tube, a rectangular block is provided on the outer wall of the firmware tube, and there are two groups of firmware tubes in total; the positioning plug is set as a rectangular block structure, a rectangular protrusion is provided on the positioning plug, a spring is provided on the positioning plug, and there are four groups of positioning plugs in total; the outer fixing frame is set as a rectangular parallelepiped structure, a contact plate is provided on the outer fixing frame, and a threaded groove is provided on the outer fixing frame.

[0008] At least in some embodiments, the mounting block is configured as a rectangular block structure, the interior of the mounting block is configured as a cavity structure, an axial hole is provided on the mounting block, a control motor is provided at the bottom of the mounting block, two groups of U-shaped frames are provided on the outer wall of the mounting block, and the two groups of U-shaped frames of the mounting block are respectively provided with rectangular sliding grooves; the support frame is configured as an inverted T-shaped frame, and there are two groups of support frames in total.

[0009] At least in some embodiments, the drive gear is configured as a bevel gear structure, and the drive gear is connected to the control motor at the bottom of the mounting block; the adjusting screw is configured as a threaded rod structure, and a bevel gear is provided on the adjusting screw, and there are two sets of adjusting screws in total.

[0010] In at least some embodiments, the support pad is configured as a square sheet pile structure, and a non-slip layer is provided on the top of the support pad.

[0011] At least in some embodiments, the docking slots are configured as rectangular slots, the docking slots are connected with rectangular through holes, and there are two groups of docking slots in total.

[0012] At least in some embodiments, the telescopic slots are configured as rectangular grooves, the telescopic slots are connected with rectangular through holes, and there are four groups of telescopic slots in total.

[0013] At least in some embodiments, the mating screw is configured as a threaded rod structure, a hexagonal prism-shaped protrusion is provided on the mating screw, and a cylindrical protrusion is provided on the hexagonal prism-shaped protrusion of the mating screw.

[0014] The mechanical clamp proposed by the present invention has the following beneficial effects:

[0015] 1. An adjusting screw and a displacement frame are provided. By threading the two sets of adjusting screws into the mounting block, the adjusting screws can be rotated and adjusted by the driving gear under the action of the gear, and the displacement frame can be moved and adjusted by the thread control, which can drive the fastener barrel to clamp the workpiece to help maintain the stability of the workpiece.

[0016] 2. A fixing barrel and an external fixing frame are provided. The fixing barrel is fixed on the displacement frame by a positioning plug, which is convenient for synchronous adjustment with the displacement frame, so that the workpiece can be clamped during the adjustment process to maintain the stability of the workpiece. By rotating the mating screw connected to the inside of the fixing barrel, it is convenient to control the external fixing frame for adjustment through the thread during the rotation process, so as to assist in tightening the workpiece by extending outward. At the same time, by adjusting different external fixing frames, it is convenient to clamp special-shaped workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional assembly structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the three-dimensional assembly structure of the utility model when viewed from above.

[0019] Figure 3 It is a partial cutaway structural schematic diagram of the present utility model.

[0020] Figure 4 The utility model is Figure 3 Schematic diagram of the enlarged structure of part A.

[0021] Figure 5 It is a schematic diagram of the exploded structure of the present utility model.

[0022] Figure 6 It is a schematic diagram of the exploded structure of the utility model when viewed from above.

[0023] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0024] 1. Mounting block; 2. Support frame; 3. Drive gear; 4. Adjusting screw; 5. Support pad; 6. Displacement frame; 7. Docking slot; 8. Fixing tube; 9. Telescopic slot; 10. Positioning plug; 11. Mating screw; 12. External fixing frame. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples.

[0026] Example 1: As shown in the attached Figure 1To the attached Figure 6 The present invention provides a mechanical clamp, comprising: a mounting block 1; the bottom of the mounting block 1 is fixed with a support frame 2 by screws; a driving gear 3 is provided inside the mounting block 1; an adjusting screw 4 is rotatably connected to the interior of the mounting block 1, and the adjusting screw 4 is connected to the driving gear 3 by a tooth; a supporting pad 5 is provided on the top of the mounting block 1; a displacement frame 6 is slidably connected to the interior of the mounting block 1; a docking slot 7 is provided inside the displacement frame 6; a fixing tube 8 is inserted inside the docking slot 7; a telescopic slot 9 is provided inside the fixing tube 8; a positioning plug 10 is slidably connected to the interior of the telescopic slot 9, and the positioning plug 10 is inserted into the docking slot 7; the interior of the fixing tube 8 is rotatably connected to the mating screw 11; the mating screw 11 is threadedly connected to the outer fixing frame 12, and the outer fixing frame 12 is slidably connected to the interior of the fixing tube 8; the displacement frame 6 is set as an L-shaped structure, and a cylindrical protrusion is provided on the outer wall of the displacement frame 6, and a threaded through hole is provided on the displacement frame 6. There are two groups of displacement frames 6 in total; It is used to adjust the position under the action of the adjusting screw 4 to facilitate clamping of the workpiece; the firmware cylinder 8 is set as a rectangular frame structure, the firmware cylinder 8 is provided with an axial hole, the inner wall of the firmware cylinder 8 is provided with an axial hole, the outer wall of the firmware cylinder 8 is provided with a rectangular block, and there are two groups of firmware cylinders 8; the firmware cylinder 8 is used to be inserted into the telescopic slot 9 under the action of the positioning plug 10 to facilitate assembly with the displacement frame 6; the positioning plug 10 is set as a rectangular block structure, the positioning plug 10 is provided with a rectangular protrusion, the positioning plug 10 is provided with a spring, and there are four groups of positioning plugs 10; the positioning plug 10 is used to be inserted into the inside of the docking slot 7 under the action of the spring to facilitate maintaining stability between the firmware cylinder 8 and the displacement frame 6; the outer fixing frame 12 is set as a rectangular parallelepiped structure, the outer fixing frame 12 is provided with a contact plate, and the outer fixing frame 12 is provided with a threaded groove; the outer fixing frame 12 is used to adjust the position under the action of the mating screw 11 to facilitate clamping of special-shaped workpieces by extending at different positions.

[0027] Example 2: Based on Example 1, as shown in the attached Figure 1 To the attached Figure 6As shown, the mounting block 1 is set as a rectangular block structure, the interior of the mounting block 1 is set as a cavity structure, the mounting block 1 is provided with an axial hole, the bottom of the mounting block 1 is provided with a control motor, and two sets of U-shaped frames are provided on the outer wall of the mounting block 1, and the two sets of U-shaped frames of the mounting block 1 are respectively provided with rectangular sliding grooves; the mounting block 1 is used to assist in the installation and fixing of other structures of the device, so as to facilitate maintaining the overall stability of the device; the support frame 2 is set as an inverted T-shaped frame, and there are two sets of support frames 2; the support frame 2 is used to support the mounting block 1, so as to facilitate maintaining the stability of the mounting block 1; the driving gear 3 is set as a bevel gear structure, and the driving gear 3 is connected to the control motor at the bottom of the mounting block 1; the driving gear 3 is used to rotate under the drive of the control motor, so as to facilitate the rotation adjustment of the adjusting screw 4 through the tooth control; the adjusting screw 4 is set as a threaded rod structure, and a bevel gear is provided on the adjusting screw 4, and there are two sets of adjusting screws 4; the adjusting screw 4 is used to rotate during the rotation During the process, the position of the displacement frame 6 is adjusted by controlling the thread; the support plate 5 is set as a square sheet pile structure, and the top of the support plate 5 is provided with an anti-slip layer; the support plate 5 is used to support the workpiece to facilitate maintaining the stability of the workpiece; the docking slot 7 is set as a rectangular slot, and the docking slot 7 is connected with a rectangular through hole, and there are two groups of docking slots 7; the docking slot 7 is used to cooperate with the positioning plug 10 to connect the displacement frame 6 and the firmware tube 8, so as to facilitate maintaining the stability of the connection between the two; the telescopic slot 9 is set as a rectangular groove, and the telescopic slot 9 is connected with a rectangular through hole, and there are four groups of telescopic slots 9; the telescopic slot 9 is used to assist in the installation and fixation of the positioning plug 10, so as to facilitate the adjustment of the positioning plug 10; the mating screw 11 is set as a threaded rod structure, and the mating screw 11 is provided with a hexagonal prism-shaped protrusion, and the hexagonal prism-shaped protrusion of the mating screw 11 is provided with a cylindrical protrusion; the mating screw 11 is used to adjust the external fixing frame 12 through a thread during rotation.

[0028] The specific usage and function of this embodiment are as follows:

[0029] After the workpiece is put into the work position, the fixing block 1 is fixed in the designated position by the support frame 2, and the fixing tube 8 is inserted into the docking slot 7, so that the positioning block 10 is extended outward under the action of the spring, and the positioning block 10 is inserted into the inside of the docking slot 7 to facilitate the connection between the displacement frame 6 and the fixing tube 8. Then, the workpiece is placed on the support pad 5 to facilitate the stability of the workpiece. Then, the control motor is started to drive the driving gear 3 to rotate, and the adjusting screw 4 is driven to rotate by the latch gear during the rotation, so that the position of the displacement frame 6 is adjusted by the thread control during the rotation, so as to drive the fixing tube 8 to clamp the workpiece. When clamping the special-shaped workpiece, the matching screw 11 is rotated to control the external fixing frame 12 to extend outward during the rotation, so as to facilitate the clamping of the special-shaped workpiece by extending.

[0030] In this article, there are several points to note:

[0031] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0032] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0033] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A mechanical fixture comprising: The mounting block (1) is characterized in that: the bottom of the mounting block (1) is fixed with a support frame (2) by screws; a driving gear (3) is provided inside the mounting block (1); an adjusting screw (4) is rotatably connected inside the mounting block (1), and the adjusting screw (4) is connected to the driving gear (3) through a toothed connection; a supporting pad (5) is provided on the top of the mounting block (1); a displacement frame (6) is slidably connected inside the mounting block (1); a docking slot (7) is provided inside the displacement frame (6); a fixing barrel (8) is inserted inside the docking slot (7); a telescopic slot (9) is provided inside the fixing barrel (8); a positioning plug (10) is slidably connected inside the telescopic slot (9), and the positioning plug (10) is inserted in the docking slot (7); a matching screw (11) is rotatably connected inside the fixing barrel (8); the matching The screw rod (11) is threadedly connected to an outer fixing frame (12), and the outer fixing frame (12) is slidably connected to the interior of the fixing barrel (8); the displacement frame (6) is set as an L-shaped structure, the outer wall of the displacement frame (6) is provided with a cylindrical protrusion, the displacement frame (6) is provided with a threaded through hole, and the displacement frame (6) is provided with two groups; the fixing barrel (8) is set as a rectangular frame structure, the fixing barrel (8) is provided with an axial hole, the inner wall of the fixing barrel (8) is provided with an axial hole, the outer wall of the fixing barrel (8) is provided with a rectangular block, and the fixing barrel (8) is provided with two groups; the positioning plug (10) is set as a rectangular block structure, the positioning plug (10) is provided with a rectangular protrusion, the positioning plug (10) is provided with a spring, and the positioning plug (10) is provided with four groups; the outer fixing frame (12) is set as a rectangular parallelepiped structure, the outer fixing frame (12) is provided with a contact plate, and the outer fixing frame (12) is provided with a threaded groove.

2. A mechanical clamp according to claim 1, characterized in that: The mounting block (1) is configured as a rectangular block structure, the interior of the mounting block (1) is configured as a cavity structure, an axial hole is provided on the mounting block (1), a control motor is provided at the bottom of the mounting block (1), two groups of U-shaped frames are provided on the outer wall of the mounting block (1), and rectangular sliding grooves are respectively provided on the two groups of U-shaped frames of the mounting block (1); the support frame (2) is configured as an inverted T-shaped frame, and two groups of support frames (2) are provided in total.

3. The mechanical clamp according to claim 1, characterized in that: The driving gear (3) is configured as a bevel gear structure, and the driving gear (3) is connected to a control motor at the bottom of the mounting block (1); the adjusting screw (4) is configured as a threaded rod structure, and a bevel gear is provided on the adjusting screw (4), and there are two sets of adjusting screws (4).

4. The mechanical clamp according to claim 1, characterized in that: The support pad (5) is configured as a square sheet pile structure, and an anti-slip layer is provided on the top of the support pad (5).

5. The mechanical clamp according to claim 1, characterized in that: The docking slots (7) are configured as rectangular slots, the docking slots (7) are connected with rectangular through holes, and there are two groups of docking slots (7) in total.

6. The mechanical clamp according to claim 1, characterized in that: The telescopic slots (9) are configured as rectangular grooves, the telescopic slots (9) are connected with rectangular through holes, and there are four groups of telescopic slots (9) in total.

7. The mechanical clamp according to claim 1, characterized in that: The mating screw (11) is configured as a threaded rod structure, a hexagonal prism-shaped protrusion is provided on the mating screw (11), and a cylindrical protrusion is provided on the hexagonal prism-shaped protrusion of the mating screw (11).

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