Pressing arm buffering mechanism

Abstract

The utility model belongs to the technical field of electric control welding clamps, and particularly relates to a pressing arm buffering mechanism which comprises an L-shaped base, one end of the L-shaped base is connected with a pressing arm through a rotating assembly, the pressing arm buffering mechanism further comprises a buffering assembly capable of buffering the pressing process of the pressing arm, and the buffering assembly is arranged on the pressing arm. The rotating assembly comprises a U-shaped plate, one end of the L-shaped base is located in an inner cavity of the bottom end of the U-shaped plate, rotating shafts are fixedly installed on the two sides of the bottom end of the U-shaped plate, servo motors are fixedly installed on the two sides of one end of the L-shaped base, output shafts of the servo motors are fixedly connected with the rotating shafts, the groove is formed in a pressing arm, and the pressing arm is fixedly connected with the U-shaped plate. The supporting plate is detachably connected into the groove through a connecting assembly, and the square plate is located on one side of the supporting plate. By arranging the buffering assembly, the pressing arm can be buffered in the downward pressing process, the pressing arm can be protected against breakage, it is guaranteed that parts are not damaged by pressing, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric-controlled welding fixtures, in particular to a pressure arm buffer mechanism. Background Art

[0002] The electric controlled welding fixture is a device that relies on accurate and reliable positioning and clamping to reduce the dimensional deviation of parts and improve the accuracy and interchangeability of parts. It can effectively prevent the deformation of parts during welding. At the same time, it can also put the workpiece in the best welding position, so that the weld or weld has good formability, the process defects are significantly reduced, and the welding speed is increased. At the same time, it can also detect the lack of projection welding parts and accessories on the workpiece, greatly improving the yield rate. It can expand the scope of application of advanced process methods and promote the comprehensive development of mechanization and automation of welding structure production.

[0003] However, the existing electric controlled welding fixture has the following disadvantages:

[0004] 1. The clamping arm of this type of welding fixture is designed to be long, which may cause it to break during clamping.

[0005] 2. It is easy to cause damage to parts and other adverse phenomena.

[0006] Therefore, a pressure arm buffer mechanism is invented. Utility Model Content

[0007] In view of the above problems and / or the problems existing in the existing pressure arm buffer mechanism, the present utility model is proposed.

[0008] Therefore, the purpose of the present invention is to provide a pressure arm buffer mechanism that can solve the above-mentioned existing problems.

[0009] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0010] A pressure arm buffer mechanism comprises an L-shaped base, one end of the L-shaped base is connected to the pressure arm through a rotating assembly, and further comprises:

[0011] A buffer component can buffer the downward pressing process of the pressing arm, and the buffer component is arranged on the pressing arm.

[0012] As a preferred solution of the pressure arm buffer mechanism described in the utility model, the rotating assembly includes:

[0013] A U-shaped plate, wherein one end of the L-shaped base is located in the inner cavity at the bottom end of the U-shaped plate;

[0014] A rotating shaft, with rotating shafts fixedly mounted on both sides of the bottom end of the U-shaped plate;

[0015] A servo motor is fixedly mounted on both sides of one end of the L-shaped base, and an output shaft of the servo motor is fixedly connected to the rotating shaft.

[0016] As a preferred solution of the pressure arm buffer mechanism described in the utility model, the buffer assembly includes:

[0017] A groove, wherein the groove is formed on the pressing arm;

[0018] A support plate, wherein the support plate is detachably connected to the groove via a connecting assembly;

[0019] A square plate, wherein the square plate is located on one side of the support plate, and one side of the square plate extends out of the groove;

[0020] Telescopic rods, a plurality of telescopic rods are fixedly installed between the support plate and the square plate.

[0021] As a preferred solution of the pressure arm buffer mechanism described in the utility model, the buffer assembly further includes:

[0022] A first spring, wherein the first spring is sleeved on the telescopic rod, and two ends of the first spring are respectively fixedly connected to the support plate and the square plate;

[0023] Dampers, a plurality of dampers are fixedly installed between the support plate and the square plate;

[0024] Sponge, the sponge is fixedly installed on one side of the square plate.

[0025] As a preferred solution of the pressure arm buffer mechanism described in the utility model, the connecting assembly includes:

[0026] A receiving groove, wherein the pressure arms located on both sides of the groove are provided with receiving grooves connected with the groove;

[0027] Positioning grooves are provided at both ends of the support plate.

[0028] As a preferred solution of the pressure arm buffer mechanism described in the utility model, the connecting assembly further comprises:

[0029] A slide groove, wherein the pressing arm located on one side of the receiving groove is provided with a slide groove connected to the receiving groove;

[0030] A positioning rod is slidably connected in the receiving groove, and one end of the positioning rod is inserted in the positioning groove.

[0031] As a preferred solution of the pressure arm buffer mechanism described in the utility model, the connecting assembly further comprises:

[0032] A second spring, wherein the second spring is disposed in the receiving groove, and two ends of the second spring are respectively fixedly connected to the receiving groove and the positioning rod;

[0033] A driving rod is fixedly mounted on one side of the positioning rod and is slidably connected in the sliding groove.

[0034] Compared with existing technologies:

[0035] 1. By setting the buffer component, the pressing process of the pressing arm can be buffered, thereby protecting the pressing arm from breaking, ensuring that the parts are not crushed, and improving practicality.

[0036] 2. The support plate is installed by setting a connecting component, which makes it easy for personnel to disassemble and assemble the support plate. By making it easy for personnel to disassemble and assemble the support plate, it is also easy for personnel to perform subsequent replacement, maintenance, and other operations on the buffer component. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0038] Figure 2 It is a side view schematic diagram of the rotating assembly of the utility model;

[0039] Figure 3 This is a front view schematic diagram of the buffer component of the utility model;

[0040] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure in the middle.

[0041] In the figure: L-shaped base 10, pressure arm 20, U-shaped plate 30, rotating shaft 32, servo motor 33, groove 40, support plate 41, square plate 42, telescopic rod 43, first spring 44, damper 45, sponge 46, storage groove 50, positioning groove 51, slide groove 52, positioning rod 53, second spring 54, driving rod 55. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0043] The utility model provides a pressure arm buffer mechanism, please refer to Figure 1-Figure 4 , comprising an L-shaped base 10, one end of the L-shaped base 10 is connected to a pressing arm 20 via a rotating assembly;

[0044] The rotating assembly includes: a U-shaped plate 30, a rotating shaft 32, and a servo motor 33;

[0045] One end of the L-shaped base 10 is located in the inner cavity at the bottom end of the U-shaped plate 30, and the rotating shaft 32 is fixedly installed on both sides of the bottom end of the U-shaped plate 30. Servo motors 33 are fixedly installed on both sides of one end of the L-shaped base 10, and the output shaft of the servo motor 33 is fixedly connected to the rotating shaft 32. The two groups of servo motors 33 are connected to a group of switches so that the two groups of servo motors 33 can run synchronously and at the same speed.

[0046] Working principle of the rotating assembly: When the product needs to be clamped, the product is first placed on the L-shaped base 10, and then the U-shaped plate 30 drives the pressing arm 20 to rotate through the servo motor 33, so that the product can be clamped.

[0047] It also includes: a buffer component capable of buffering the pressing process of the pressing arm 20, and the buffer component is arranged on the pressing arm 20;

[0048] The buffer assembly includes: a groove 40, a support plate 41, a square plate 42, a telescopic rod 43, a first spring 44, a damper 45, and a sponge 46;

[0049] The groove 40 is opened on the pressure arm 20, and the support plate 41 is detachably connected to the groove 40 through a connecting assembly. The square plate 42 is located on one side of the support plate 41, and one side of the square plate 42 extends outside the groove 40. A plurality of square plates 42 are fixedly installed between the support plate 41 and the square plate 42. The first spring 44 is sleeved on the telescopic rod 43, and the two ends of the first spring 44 are fixedly connected to the support plate 41 and the square plate 42 respectively. A plurality of dampers 45 are fixedly installed between the support plate 41 and the square plate 42, and a sponge 46 is fixedly installed on one side of the square plate 42.

[0050] Working principle of the buffer assembly: When the pressure arm 20 is pressed downward, the sponge 46 will first contact the product to move the square plate 42 into the groove 40. At this time, the first spring 44 will deform and generate elastic force to buffer the downward pressure of the pressure arm 20 to a certain extent.

[0051] The connecting assembly includes: a receiving groove 50, a positioning groove 51, a sliding groove 52, a positioning rod 53, a second spring 54, and a driving rod 55;

[0052] The pressure arms 20 located on both sides of the groove 40 are provided with receiving grooves 50 connected to the groove 40, positioning grooves 51 are provided at both ends of the support plate 41, and the pressure arm 20 located on one side of the receiving groove 50 is provided with a slide groove 52 connected to the receiving groove 50, the positioning rod 53 is slidably connected in the receiving groove 50, and one end of the positioning rod 53 is inserted in the positioning groove 51, the second spring 54 is arranged in the receiving groove 50, and the two ends of the second spring 54 are respectively fixedly connected to the receiving groove 50 and the positioning rod 53, and the driving rod 55 is fixedly installed on one side of the positioning rod 53, and the driving rod 55 is slidably connected in the slide groove 52.

[0053] The working principle of the connecting assembly: when the support plate 41 needs to be installed, first move the driving rod 55 in the direction away from the groove 40. At this time, the driving rod 55 will drive the positioning rod 53 to move into the receiving groove 50. When the positioning rod 53 moves into the receiving groove 50, its second spring 54 will deform and generate elastic force until the positioning rod 53 is located in the receiving groove 50. Thereafter, the support plate 41 is inserted into the groove 40, and the positioning groove 51 and the positioning rod 53 are aligned. At this time, the second spring 54 can be used to insert one end of the positioning rod 53 into the positioning groove 51, so as to achieve the installation of the support plate 41.

[0054] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A pressure arm buffer mechanism, comprising an L-shaped base (10), one end of the L-shaped base (10) being connected to a pressure arm (20) via a rotating assembly, characterized in that: Also includes: A buffer component is provided which can buffer the downward pressing process of a pressing arm (20), and the buffer component is arranged on the pressing arm (20).

2. The pressure arm buffer mechanism according to claim 1, characterized in that: The rotating assembly comprises: A U-shaped plate (30), wherein one end of the L-shaped base (10) is located in the inner cavity at the bottom end of the U-shaped plate (30); A rotating shaft (32), the rotating shafts (32) being fixedly mounted on both sides of the bottom end of the U-shaped plate (30); A servo motor (33), wherein the servo motor (33) is fixedly mounted on both sides of one end of the L-shaped base (10), and the output shaft of the servo motor (33) is fixedly connected to the rotating shaft (32).

3. The pressure arm buffer mechanism according to claim 1, characterized in that: The buffer assembly comprises: A groove (40), wherein the groove (40) is formed on the pressing arm (20); A support plate (41), wherein the support plate (41) is detachably connected to the groove (40) via a connecting assembly; A square plate (42), wherein the square plate (42) is located on one side of the support plate (41), and one side of the square plate (42) extends outside the groove (40); Telescopic rods (43), a plurality of telescopic rods (43) are fixedly installed between the support plate (41) and the square plate (42).

4. The pressure arm buffer mechanism according to claim 3, characterized in that: The buffer assembly also includes: A first spring (44), wherein the first spring (44) is sleeved on the telescopic rod (43), and two ends of the first spring (44) are respectively fixedly connected to the support plate (41) and the square plate (42); Dampers (45), a plurality of dampers (45) are fixedly installed between the support plate (41) and the square plate (42); A sponge (46) is fixedly mounted on one side of the square plate (42).

5. The pressure arm buffer mechanism according to claim 4, characterized in that: The connection component comprises: A receiving groove (50), wherein the pressure arms (20) located on both sides of the groove (40) are provided with a receiving groove (50) connected to the groove (40); Positioning grooves (51), both ends of the support plate (41) are provided with positioning grooves (51).

6. The pressure arm buffer mechanism according to claim 5, characterized in that: The connection component also includes: A slide groove (52), the pressing arm (20) located on one side of the receiving groove (50) is provided with a slide groove (52) connected to the receiving groove (50); A positioning rod (53) is slidably connected in the receiving groove (50), and one end of the positioning rod (53) is inserted into the positioning groove (51).

7. The pressure arm buffer mechanism according to claim 6, characterized in that: The connection component also includes: A second spring (54), wherein the second spring (54) is disposed in the receiving groove (50), and two ends of the second spring (54) are respectively fixedly connected to the receiving groove (50) and the positioning rod (53); A driving rod (55) is fixedly mounted on one side of the positioning rod (53), and the driving rod (55) is slidably connected in the sliding groove (52).

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