A clamp mechanism for assembling a mid-body fixing assembly

Abstract

The present invention provides a clamp mechanism for assembling a middle body fixing assembly, comprising a workbench, a positioning ring being mounted on the upper surface of the workbench, and clamping mechanisms for clamping the middle body fixing assembly being provided on both sides of the positioning ring, the clamping mechanisms being provided on the upper surface of the workbench; the clamping mechanism comprising a base mounted on the upper surface of the workbench, a workbench seat mounted on the upper surface of the base, and a cylinder mounted on a side surface of the workbench away from the positioning ring, the cylinder extending into the interior of the workbench and connected to a clamping rod, the cylinder and the clamping rod both being arranged at an angle; the clamping mechanism further comprising a long hole provided on the housing of the workbench for the clamping rod to pass through, and a guide assembly provided within the long hole. The present invention can provide the clamping rod with self-locking capability, thereby reducing the influence of the vibration of the middle body fixing assembly during assembly on the clamping effect of the clamping rod.

Description

Technical Field

[0001] The present invention mainly relates to the technical field of a mid-body fixing assembly clamp, and in particular to a clamp mechanism for assembling the mid-body fixing assembly. Background Art

[0002] Fixtures and tooling generally refer to tooling fixtures. Tooling refers to the general term for various tools used in the manufacturing process, including cutting tools, fixtures, molds, measuring tools, inspection tools, auxiliary tools, pliers tools, work station equipment, etc.

[0003] According to the patent document with application number CN202020473259.9, an eccentric shaft processing fixture is provided, which includes a fixture table, a limit slot is provided on the top of the fixture table; the fixture table is equipped with a number of limit extrusion rod assemblies corresponding to the limit slots; the limit extrusion rod assembly includes an extrusion rod slidably connected to the fixture table, the inner end of the extrusion rod passes through the fixture table and is located in the limit slot, the outer end of the extrusion rod is located outside the fixture table, and the outer end of the extrusion rod is fixedly connected to a first cylinder; the eccentric shaft processing fixture also includes a clamping assembly symmetrically arranged front and rear, the clamping assembly includes a clamping card slidably connected to the top of the fixture table; the clamping card has an arc-shaped clamping groove; the clamping card is slidably connected to the fixture table through a driving mechanism. The above-mentioned device is driven by a cylinder, which is not only highly flexible, but also has a fast speed of clamping and releasing the workpiece, not only has high clamping stability, but also effectively improves the processing accuracy of the workpiece.

[0004] The above-mentioned tooling fixture is driven by a cylinder, which is not only highly flexible, but also has a fast speed in clamping and releasing the workpiece. Traditional tooling fixtures often use a horizontally set cylinder to push the clamping rod to clamp the center body fixing assembly, which causes the clamping rod to easily move due to the displacement of the center body fixing assembly during the assembly process, thereby affecting the clamping effect of the tooling fixture on the center body fixing assembly. Summary of the Invention

[0005] The present invention mainly provides a clamp mechanism for assembling a mid-body fixing assembly to solve the technical problems raised in the above-mentioned background technology.

[0006] The technical solution adopted by the present invention to solve the above technical problems is:

[0007] A fixture mechanism for assembling a middle body fixing assembly comprises a workbench, a positioning ring is mounted on the upper surface of the workbench, and clamping mechanisms for clamping the middle body fixing assembly are provided on both sides of the positioning ring, the clamping mechanisms being arranged on the upper surface of the workbench;

[0008] The clamping mechanism includes a base mounted on the upper surface of the tooling table, a tooling seat mounted on the upper surface of the base, and a cylinder mounted on a side surface of the tooling seat away from the positioning ring. The cylinder extends to the interior of the tooling seat and is connected to a clamping rod. Both the cylinder and the clamping rod are arranged obliquely.

[0009] The clamping mechanism further comprises a long hole provided on the shell of the tooling seat and for the clamping rod to pass through, and a guide assembly provided inside the long hole.

[0010] Furthermore, the guide assembly includes a plurality of pressure sensors installed inside the long hole, and a buffer connected to the plurality of pressure sensors and arranged in sequence inside the long hole. The plurality of pressure sensors are arranged around the clamping rod. In the present invention, the vibration force generated by the clamping rod clamping the middle body fixing assembly is transmitted to the pressure sensor through the buffer to monitor the clamping state of the clamping rod, so as to facilitate subsequent adjustment of the clamping effect.

[0011] Furthermore, the pressure sensor includes an electromagnet installed on the wall of the long hole, and a plurality of strain gauges installed on the surface of the electromagnet away from the wall of the long hole. In the present invention, the reaction force transmitted by the middle body fixing component is clamped by the strain gauge.

[0012] Furthermore, the buffer includes a fixed buffer ring connected to the surface of one side of the plurality of strain gauges away from the electromagnet, and a dynamic buffer ring sleeved on the outside of the clamping rod, the fixed buffer ring and the dynamic buffer ring are connected by a plurality of tension springs, and the plurality of tension springs are arranged around the dynamic buffer ring. In the present invention, the clamping rod clamps the middle body fixing assembly, and when affected by the shaking of the middle body fixing assembly during assembly, the dynamic buffer ring is driven by the clamping rod. In this process, since the dynamic buffer ring and the fixed buffer ring are connected by the tension spring, the tension of the tension spring provides buffering for the clamping rod.

[0013] Furthermore, the clamping mechanism also includes a flexible component connected to the clamping rod, and the flexible component includes a mounting groove provided at the end of the clamping rod away from the cylinder, and a plurality of pins installed in the mounting groove body. In the present invention, the mounting groove is used to provide contact between the pins and the middle body fixing component.

[0014] Furthermore, the pin shaft includes a guide rod installed on the mounting groove body, a compression sleeve sleeved on the outer surface of one end of the guide rod, and a first spring sleeved on the outer surface of the other end of the guide rod. In the present invention, the compression sleeve slides on the guide rod so that the compression sleeve abutting against the middle body fixing assembly can adapt to the surface of the middle body fixing assembly.

[0015] Furthermore, the flexible component also includes an air delivery channel provided on the guide rod housing, an air guide tube provided inside the air delivery channel and passing through the piston rod of the cylinder, and a locking component provided at one end of the air delivery channel away from the air guide tube. In the present invention, when the cylinder piston rod is extended, the air guide tube guides the high-pressure gas in the cylinder into the air delivery channel, thereby providing power for the locking component.

[0016] Furthermore, the locking component includes a sliding plate installed inside the air delivery channel, and two wedge blocks installed on one side surface of the sliding plate, the wedge block is abutted against an extrusion block at one end away from the sliding plate, and the two extrusion blocks are symmetrically arranged with multiple pins as the center axis. In the present invention, extruding multiple pins also includes a second spring installed on the side surface of the sliding plate close to the wedge block. In the present invention, the second spring stores energy, so that when the piston rod of the cylinder retracts, the sliding plate is driven to return to its original working position.

[0017] Furthermore, the included angle between the tooling table, the cylinder and the clamping rod is 3° to 8°.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] Firstly, the present invention can provide the clamping rod with a self-locking capability, thereby reducing the influence of the shaking of the middle body fixing assembly during assembly on the clamping effect of the clamping rod. Specifically, the clamping rod is driven to move by the cylinder to clamp the middle body fixing assembly between the two clamping rods. During this process, since the cylinder and the clamping rod are both inclined, a lateral force is applied to the middle body fixing assembly when clamping the middle body fixing assembly, and the influence of the shaking of the middle body fixing assembly that is easily generated during assembly on the clamping rod is reduced.

[0020] Secondly, when the clamping rod of the present invention clamps the middle body fixing assembly and is affected by the shaking during the assembly of the middle body fixing assembly, the clamping rod drives the dynamic buffer ring. In this process, since the dynamic buffer ring and the fixed buffer ring are connected by a tension spring, the tension of the tension spring provides buffering for the clamping rod.

[0021] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 It is a cross-sectional view of the tooling seat of the present invention;

[0024] Figure 3 It is a structural schematic diagram of the cylinder and guide assembly of the present invention;

[0025] Figure 4 for Figure 3 A magnified view of the structure of area A;

[0026] Figure 5 is an exploded view of the guide assembly of the present invention;

[0027] Figure 6 It is a structural schematic diagram of the flexible component of the present invention;

[0028] Figure 7 It is a structural schematic diagram of the pin shaft of the present invention;

[0029] Figure 8 It is a right side view of the present invention.

[0030] In the figure: 10, tooling table; 20, positioning ring; 30, clamping mechanism; 31, base; 32, tooling seat; 33, cylinder; 34, clamping rod; 35, long hole; 36, guide assembly; 361, pressure sensor; 3611, electromagnet; 3612, strain gauge; 362, buffer; 3621, fixed buffer ring; 3622, dynamic buffer ring; 3623, tension spring; 37, flexible assembly; 371, mounting groove; 372, pin; 3721, guide rod; 3722, compression sleeve; 3723, first spring; 373, air delivery channel; 374, air guide tube; 375, locking component; 3751, sliding plate; 3752, wedge block; 3753, extrusion block; 3754, second spring. DETAILED DESCRIPTION

[0031] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0032] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated with those skilled in the art to which the present invention pertains. The terminology used herein in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0034] For example, please refer to the attached Figure 1-8 A fixture mechanism for assembling a mid-body fixing assembly includes a workbench 10, a positioning ring 20 is mounted on the upper surface of the workbench 10, and clamping mechanisms 30 for clamping the mid-body fixing assembly are provided on both sides of the positioning ring 20. The clamping mechanisms 30 are provided on the upper surface of the workbench 10;

[0035] The clamping mechanism 30 includes a base 31 mounted on the upper surface of the tooling table 10, a tooling seat 32 mounted on the upper surface of the base 31, and a cylinder 33 mounted on a side surface of the tooling seat 32 away from the positioning ring 20. The cylinder 33 extends to the interior of the tooling seat 32 and is connected to a clamping rod 34. Both the cylinder 33 and the clamping rod 34 are arranged obliquely.

[0036] The clamping mechanism 30 further includes a long hole 35 provided on the housing of the tooling seat 32 and for the clamping rod 34 to pass through, and a guide assembly 36 provided inside the long hole 35 .

[0037] For details, please refer to the attached Figure 3 、 4 and 5, the guide assembly 36 includes a plurality of pressure sensors 361 installed inside the long hole 35, and a buffer 362 connected to the plurality of pressure sensors 361 and sequentially arranged inside the long hole 35, and the plurality of pressure sensors 361 are arranged around the clamping rod 34;

[0038] The pressure sensor 361 includes an electromagnet 3611 mounted on the wall of the long hole 35, and a plurality of strain gauges 3612 mounted on the surface of the electromagnet 3611 away from the wall of the long hole 35;

[0039] It should be noted that, in this embodiment, the buffer 362 is used to provide a buffer for the clamping rod 34. The vibration force generated by the clamping rod 34 clamping the middle body fixing assembly is transmitted to the pressure sensor 361 through the buffer 362. The buffer 362 is then used to monitor the clamping state of the clamping rod 34, so as to facilitate subsequent adjustment of the clamping effect.

[0040] Furthermore, the reaction force transmitted by the holding rod 34 clamping the middle body fixing component is monitored by the strain gauge 3612, and the controller connected to the strain gauge 3612 receives the information for the controller to judge. When the value monitored by the strain gauge 3612 exceeds the threshold, the electromagnet 3611 generates a magnetic resistance phenomenon, thereby cooperating with the buffer 362 to provide a buffer for the clamping rod 34.

[0041] For details, please refer to the attached Figure 3 and 4The buffer 362 includes a fixed buffer ring 3621 connected to the surface of the multiple strain gauges 3612 on a side away from the electromagnet 3611, and a dynamic buffer ring 3622 sleeved on the outside of the clamping rod 34. The fixed buffer ring 3621 and the dynamic buffer ring 3622 are connected by multiple tension springs 3623, and the multiple tension springs 3623 are arranged around the dynamic buffer ring 3622;

[0042] It should be noted that, in this embodiment, the clamping rod 34 clamps the middle body fixing assembly, and when affected by the shaking during the assembly of the middle body fixing assembly, the dynamic buffer ring 3622 is driven by the clamping rod 34. In this process, since the dynamic buffer ring 3622 and the fixed buffer ring 3621 are connected by the tension spring 3623, the tension of the tension spring 3623 provides a buffer for the clamping rod 34.

[0043] For details, please refer to the attached Figure 5 、 6 and 7, the clamping mechanism 30 further includes a flexible component 37 connected to the clamping rod 34, the flexible component 37 including a mounting groove 371 provided at an end of the clamping rod 34 away from the cylinder 33, and a plurality of pins 372 installed in the groove body of the mounting groove 371;

[0044] The pin shaft 372 includes a guide rod 3721 mounted on the groove body of the mounting groove 371, a compression sleeve 3722 sleeved on the outer surface of one end of the guide rod 3721, and a first spring 3723 sleeved on the outer surface of the other end of the guide rod 3721;

[0045] It should be noted that, in this embodiment, the mounting groove 371 provides a mounting position for the pin 372. The pin 372 can be extended and retracted to adapt to the surface of the middle body fixing assembly, thereby increasing the contact between the clamping rod 34 and the middle body fixing assembly, thereby improving the clamping effect.

[0046] Furthermore, the compression sleeve 3722 slides on the guide rod 3721 so that the compression sleeve 3722 abutting against the middle body fixing assembly can adapt to the surface of the middle body fixing assembly, and the first spring 3723 stores energy, thereby pushing the compression sleeve 3722 to abut against the surface of the middle body fixing assembly.

[0047] For details, please refer to the attached Figure 5 and 6 The flexible component 37 further includes an air delivery channel 373 provided on the housing of the guide rod 3721, an air guide tube 374 provided inside the air delivery channel 373 and penetrating the piston rod of the cylinder 33, and a locking component 375 provided at one end of the air delivery channel 373 away from the air guide tube 374;

[0048] The locking component 375 includes a sliding plate 3751 installed inside the air delivery channel 373, and two wedge blocks 3752 installed on one side of the sliding plate 3751. The end of the wedge block 3752 away from the sliding plate 3751 abuts against an extrusion block 3753. The two extrusion blocks 3753 are symmetrically arranged around the multiple pins 372.

[0049] The locking component 375 further includes a second spring 3754 mounted on a surface of the sliding plate 3751 close to the wedge block 3752 ;

[0050] The included angle between the tooling table 10 and the cylinder 33 and the clamping rod 34 is 3° to 8°;

[0051] It should be noted that, in this embodiment, when the piston rod of the cylinder 33 is extended, the high-pressure gas in the cylinder 33 is guided into the gas delivery channel 373 via the gas guide pipe 374 , thereby providing power to the locking component 375 ;

[0052] Furthermore, the sliding plate 3751 is pushed by the high-pressure gas to move, so that the sliding plate 3751 drives the wedge block 3752 to move. The inclined surface of the wedge block 3752 slides on the inclined surface of the extrusion block 3753, thereby pushing the two extrusion blocks 3753 closer to each other, thereby squeezing the multiple pins 372, thereby keeping the pins 372 in close contact with the middle body fixing assembly, preventing the middle body fixing assembly from moving, and improving the clamping effect of the middle body fixing assembly.

[0053] Furthermore, through the energy storage of the second spring 3754, when the piston rod of the cylinder 33 retracts, the sliding plate 3751 is driven to return to the original working position.

[0054] The specific operation mode of the present invention is as follows:

[0055] The cylinder 33 drives the clamping rod 34 to move, so as to clamp the middle body fixing assembly between the two clamping rods 34. During this process, since the cylinder 33 and the clamping rod 34 are both inclined, a lateral force is applied to the middle body fixing assembly when clamping the middle body fixing assembly, and the influence of the shaking of the middle body fixing assembly during assembly is reduced on the clamping rod 34.

[0056] The clamping rod 34 clamps the middle body fixing assembly. When the clamping rod 34 is affected by the shaking of the middle body fixing assembly during assembly, the clamping rod 34 drives the dynamic buffer ring 3622. During this process, the dynamic buffer ring 3622 is connected to the fixed buffer ring 3621 by the tension spring 3623, so that the tension of the tension spring 3623 provides a buffer for the clamping rod 34.

[0057] The reaction force transmitted by the clamping rod 34 clamping the middle body fixing component is monitored by the strain gauge 3612, and the controller connected to the strain gauge 3612 receives this information for the controller to judge. When the value monitored by the strain gauge 3612 exceeds a threshold, the electromagnet 3611 generates a magnetic resistance phenomenon, thereby cooperating with the buffer 362 to provide a buffer for the clamping rod 34;

[0058] The mounting groove 371 provides a mounting position for the pin 372. The pin 372 can be extended and retracted to adapt to the surface of the middle body fixing assembly, thereby increasing the contact between the clamping rod 34 and the middle body fixing assembly, thereby improving the clamping effect.

[0059] During the process of the clamping rod 34 clamping the mid-fixed assembly, the sliding plate 3751 is pushed to move by the high-pressure gas, so that the sliding plate 3751 drives the wedge block 3752 to move, and the inclined surface of the wedge block 3752 slides on the inclined surface of the extrusion block 3753, thereby pushing the two extrusion blocks 3753 closer to each other to squeeze multiple pins 372, thereby keeping the pins 372 in a state of close contact with the middle body fixed assembly, preventing the movement of the middle body fixed assembly, and improving the clamping effect of the middle body fixed assembly.

[0060] The above description of the present invention is exemplified in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made using the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A fixture mechanism for assembling a mid-body fixing assembly, comprising a tooling table (10), characterized in that: A positioning ring (20) is installed on the upper surface of the tooling table (10), and clamping mechanisms (30) for clamping the middle body fixing assembly are provided on both sides of the positioning ring (20), and the clamping mechanisms (30) are provided on the upper surface of the tooling table (10); The clamping mechanism (30) includes a base (31) mounted on the upper surface of the tooling table (10), a tooling seat (32) mounted on the upper surface of the base (31), and a cylinder (33) mounted on a side surface of the tooling seat (32) away from the positioning ring (20), wherein the cylinder (33) extends to the interior of the tooling seat (32) and is connected to a clamping rod (34), and the cylinder (33) and the clamping rod (34) are both arranged obliquely; The clamping mechanism (30) further includes a long hole (35) provided on the housing of the tooling seat (32) and for the clamping rod (34) to pass through, and a guide assembly (36) provided inside the long hole (35); The guide assembly (36) includes a plurality of pressure sensors (361) installed inside the long hole (35), and a buffer (362) connected to the plurality of pressure sensors (361) and sequentially arranged inside the long hole (35), and the plurality of pressure sensors (361) are arranged around the clamping rod (34); The pressure sensor (361) includes an electromagnet (3611) mounted on the wall of the long hole (35), and a plurality of strain gauges (3612) mounted on the surface of the electromagnet (3611) on a side away from the wall of the long hole (35); The buffer (362) includes a fixed buffer ring (3621) connected to the surface of one side of the multiple strain gauges (3612) away from the electromagnet (3611), and a dynamic buffer ring (3622) sleeved on the outside of the clamping rod (34), the fixed buffer ring (3621) and the dynamic buffer ring (3622) are connected by multiple tension springs (3623), and the multiple tension springs (3623) are arranged around the dynamic buffer ring (3622).

2. The assembly fixture mechanism for the mid-body fixing assembly according to claim 1, characterized in that: The clamping mechanism (30) further comprises a flexible component (37) connected to the clamping rod (34), wherein the flexible component (37) comprises a mounting groove (371) provided at one end of the clamping rod (34) away from the cylinder (33), and a plurality of pins (372) mounted in the groove body of the mounting groove (371).

3. The assembly fixture mechanism for the mid-body fixing assembly according to claim 2, characterized in that: The pin shaft (372) includes a guide rod (3721) installed in the groove body of the installation groove (371), a compression sleeve (3722) sleeved on the outer surface of one end of the guide rod (3721), and a first spring (3723) sleeved on the outer surface of the other end of the guide rod (3721).

4. The assembly fixture mechanism for the mid-body fixing assembly according to claim 3, characterized in that: The flexible component (37) further includes an air delivery channel (373) provided on the housing of the guide rod (3721), an air guide tube (374) provided inside the air delivery channel (373) and penetrating the piston rod of the cylinder (33), and a locking component (375) provided at one end of the air delivery channel (373) away from the air guide tube (374).

5. The assembly fixture mechanism for the mid-body fixing assembly according to claim 4, characterized in that: The locking component (375) includes a sliding plate (3751) installed inside the air delivery channel (373), and two wedge blocks (3752) installed on one side surface of the sliding plate (3751). One end of the wedge block (3752) away from the sliding plate (3751) is in contact with an extrusion block (3753). The two extrusion blocks (3753) are symmetrically arranged with multiple pins (372) as the center axis.

6. The assembly fixture mechanism for the mid-body fixing assembly according to claim 5, characterized in that: The locking component (375) further includes a second spring (3754) mounted on a surface of the sliding plate (3751) close to the wedge block (3752).

7. The assembly fixture mechanism for the mid-body fixing assembly according to claim 1, characterized in that: The included angle between the tooling platform (10), the cylinder (33) and the clamping rod (34) is 3° to 8°.

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