A welding device and welding method for glove conveyor chain accessories and chain plates

By designing a welding device for glove conveying chain accessories and chain plates, using a flip mechanism, clamping mechanism and positioning mechanism, combined with an arc welding robot, the problems of low welding accuracy and low production efficiency in the prior art are solved. An efficient and automated welding process is achieved.

CN111085753BActive Publication Date: 2025-02-18DONGHUA CHAIN XINGHUA CO LTD
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Patent Information

Application Number
CN201911401535.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-12-31
Publication Date
2025-02-18
Estimated Expiration
2039-12-31

AI Technical Summary

Technical Problem

The welding of existing glove conveying chain accessories and chain plates mainly relies on manual welding, resulting in low welding accuracy, low production efficiency and high manual labor intensity.

Method used

A welding device including a flip mechanism, a clamping mechanism and a positioning mechanism is designed. Automatic welding is realized through an arc welding robot to ensure that the accessories and the chain plate are clamped at one time and high-precision welding is achieved.

Benefits of technology

This device can replace manual welding, improve welding accuracy and production efficiency, reduce manual labor intensity, and realize the automated welding process between accessories and chain plates.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a welding device and method for welding accessories and chain plates of a glove conveyor chain. The technical solution includes a flipping mechanism, a clamping mechanism, and a positioning mechanism. The flipping mechanism comprises a flipper, a flipping bracket, a base plate, a top plate, and a chain plate positioner. The base plate and top plate are respectively connected to both sides of the flipping bracket. The flipper drives the flipping bracket to rotate. The chain plate positioner is installed on the base plate and positions the chain plate. The clamping mechanism is installed on the base plate and clamps the chain plate. The positioning mechanism is installed on the top plate and installs the accessory, connecting it to the central hole of the chain plate. This method replaces manual welding, allows for one-time clamping, achieves high welding accuracy, accelerates production efficiency, and significantly reduces manual labor intensity.
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Description

Technical Field

[0001] The present invention relates to the technical field of processing and producing glove conveyor chains, and in particular to a welding device and a welding method for glove conveyor chain accessories and chain plates. Background Art

[0002] The chain is a flexible part that connects the links in series in the form of hinged motion pairs. It is an important basic component of mechanical transmission. Its main functions are conveying, transmission and lifting. The glove conveyor chain is a conveyor chain specially used in glove production lines. It is composed of inner and outer links connected in series, especially with accessories on the chain plate, such as Figure 1 As shown, for mounting hand molds, the attachments and chain plates generally need to be welded together to ensure accurate mounting of the hand molds. Currently, the attachments are welded to the chain plates on glove conveyor chains manually, requiring multiple clamping steps. This method results in low welding precision, low production efficiency, and high labor intensity. Summary of the Invention

[0003] In response to the shortcomings of the existing technology, the present invention provides a welding device and a welding method for glove conveyor chain accessories and chain plates, which can replace manual welding, clamp in one step, have high welding precision, accelerate production efficiency, and greatly reduce manual labor intensity.

[0004] In order to achieve the above-mentioned purpose, the present invention is realized through the following technical solutions: A welding device for glove conveyor chain accessories and chain plates, comprising a flipping mechanism, a clamping mechanism and a positioning mechanism, the flipping mechanism comprising a flipper, a flipping bracket, a bottom plate, a top plate and a chain plate positioner, the bottom plate and the top plate are respectively connected to both sides of the flipping bracket, the flipper drives the flipping bracket to rotate, the chain plate positioner is installed on the bottom plate, and the chain plate is positioned by the chain plate positioner, the clamping mechanism is installed on the bottom plate, and the chain plate is clamped by the clamping mechanism, the positioning mechanism is installed on the top plate, the accessories are installed by the positioning mechanism, and the accessories are driven to connect with the middle hole of the chain plate.

[0005] Preferably, the chain plate positioner adopts a pair of positioning pins, and the holes on the chain plate cooperate with the positioning pins to ensure accurate positioning.

[0006] Preferably, the flipper adopts a stepper motor or a pneumatic rotary actuator. The actual flipper is fixed on another station, and the function of the flipper is to drive the entire flip frame to rotate 180 degrees.

[0007] Preferably, a first reinforcing rib is provided between the flip bracket and the top plate, and a second reinforcing rib is provided between the flip bracket and the bottom plate, thereby strengthening the connection structure between them.

[0008] Preferably, the clamping mechanism includes a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly respectively clamp the two ends of the clamping chain plate to prevent the chain plate from moving.

[0009] Preferably: the first clamping assembly includes a first clamping cylinder, a first cylinder hinge seat, a first intermediate hinge seat and a first pressure plate, the first clamping cylinder is installed at the bottom of the base plate, the piston rod on the first clamping cylinder is movably connected to the first cylinder hinge seat, the first intermediate hinge seat is fixed to the upper part of the base plate, the first pressure plate's head end is hinged to the first cylinder hinge seat, the first pressure plate's middle end is hinged to the first intermediate hinge seat, and the first pressure plate's tail end is clamped with the chain plate; the second clamping assembly includes a second clamping cylinder, a second cylinder hinge seat, a second intermediate hinge seat and a second pressure plate, the second clamping cylinder is installed at the bottom of the base plate, the piston rod on the second clamping cylinder is movably connected to the second cylinder hinge seat, the second intermediate hinge seat is fixed to the upper part of the base plate, the second pressure plate's head end is hinged to the second cylinder hinge seat, the second pressure plate's middle end is hinged to the second intermediate hinge seat, and the second pressure plate's tail end is clamped with the chain plate.

[0010] Preferably, the positioning mechanism includes a positioning cylinder, a positioning seat, an accessory hole positioning pin, and an initial positioning plate. The positioning cylinder is inverted and mounted on the top of the top plate. The positioning seat is connected to the positioning cylinder. The initial positioning plate is fixed to the bottom of the top plate. The initial positioning plate is provided with an opening. The accessory is positioned in the opening. The accessory hole positioning pin passes through the accessory. The positioning cylinder drives the positioning seat to press the accessory hole positioning pin, thereby pressing the accessory and the chain plate tightly. This allows the accessory and the chain plate to be securely clamped.

[0011] Preferably, the opening width of the initial positioning plate should be greater than the thickness of the accessory flat wire and smaller than the outer diameter of the accessory.

[0012] A method for welding accessories and chain plates of a glove conveyor chain, characterized in that it comprises the following steps:

[0013] Step 1: Initialize the welding system. The arc welding robot is in the initial position, which is directly in front of the welding device. The welding device is in the first working position.

[0014] Step 2: Connect the chain plate to a pair of positioning pins on the bottom plate to ensure accurate positioning of the chain plate;

[0015] Step 3: Perform initial positioning through the opening on the initial positioning plate and place the accessory in the hole in the middle of the chain plate;

[0016] Step 4: Pass the accessory hole locating pin through the accessory, and the positioning cylinder drives the positioning seat to press the accessory hole locating pin, thereby pressing the accessory and the chain plate tightly, thereby fixing the position of the accessory.

[0017] Step 5: Simultaneously, the first clamping cylinder and the second clamping cylinder move to the set position, controlling the first pressing plate and the second pressing plate to press and fix the two ends of the chain plate;

[0018] Step 6: Start the arc welding robot to automatically weld the weld seam I between the attachment and the chain plate;

[0019] Step 7: After the welding of weld seam I is completed, the flipper flips the welding device 180 degrees to the second working position;

[0020] Step 8: The arc welding robot automatically welds the weld II between the attachment and the chain plate;

[0021] Step 9: After welding seam II, the flipper flips the welding device 180 degrees to the first working position;

[0022] Step 10: The positioning cylinder moves to the initial position, that is, the positioning cylinder drives the positioning seat to separate from the accessory hole positioning pin, and then removes the accessory hole positioning pin;

[0023] Step 11: Clamp the cylinder and move it to the initial position, that is, separate the first pressure plate and the second pressure plate from both ends of the chain plate, thereby removing the welded parts, completing the welding of the accessories and the chain plate, and resetting the welding system.

[0024] The present invention has the beneficial effects of:

[0025] The clamping and positioning mechanisms work together to clamp and secure the attachment and chain separately, improving clamping efficiency and stability. The flipper can flip 180 degrees, enabling a single clamping of the attachment and chain, improving welding precision. Replacing manual welding speeds up production efficiency and significantly reduces labor intensity. The arc welding robot automates the attachment and chain welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 Schematic diagram of accessories and chain plates.

[0027] Figure 2 This is a schematic perspective view of the first working position of the present invention;

[0028] Figure 3 This is a schematic front view of the first working position of the present invention;

[0029] Figure 4 This is a schematic diagram of the second working position of the present invention.

[0030] Reference numerals: 1, accessory; 2, chain plate; 3, turning mechanism; 31, turning device; 32, turning bracket; 33, bottom plate; 34, top plate; 35, positioning pin; 37, first reinforcing rib; 38, second reinforcing rib; clamping mechanism; 41, first clamping cylinder; 42, second clamping cylinder; 43, first cylinder hinge seat; 44, second cylinder hinge seat; 45, first intermediate hinge seat; 46, second intermediate hinge seat; 47, first pressing plate; 48, second pressing plate;

[0031] 5. Positioning mechanism; 51. Including positioning cylinder; 52. Positioning seat; 53. Accessory hole positioning pin; 54. Initial positioning plate; 55. Opening; DETAILED DESCRIPTION

[0032] The preferred embodiments of the present invention are further described in detail with reference to the accompanying drawings.

[0033] like Figure 1-4 A device for welding glove conveyor chain accessories to chain plates comprises a flipping mechanism 3, a clamping mechanism 4, and a positioning mechanism 5. The flipping mechanism 3 includes a flipper 31, a flip bracket 32, a bottom plate 33, a top plate 34, and a chain plate 2 positioner. The bottom plate 33 and top plate 34 are respectively connected to either side of the flip bracket 32. A first reinforcing rib 37 is provided between the flip bracket 32 ​​and the top plate 34, and a second reinforcing rib 38 is provided between the flip bracket 32 ​​and the bottom plate 33, strengthening the connection between them. The flipper 31 drives the flip bracket 32 ​​to rotate. The chain plate 2 positioner is mounted on the bottom plate 33. The chain plate 2 positioner utilizes a pair of positioning pins 35, which mate with holes in the chain plate 2 for precise positioning. The flipper 31 utilizes a stepper motor or pneumatic rotary actuator. The flipper 31 is actually fixed to another workstation and functions to rotate the entire flipping frame 180 degrees.

[0034] The clamping mechanism 4 is mounted on the base plate 33, and the chain plate 2 is clamped by the clamping mechanism 4. The clamping mechanism 4 includes a first clamping assembly and a second clamping assembly. The first clamping assembly and the second clamping assembly respectively clamp the two ends of the clamped chain plate 2. The first clamping assembly includes a first clamping cylinder 41, a first cylinder hinge seat 43, a first intermediate hinge seat 45, and a first pressure plate 47. The first clamping cylinder 41 is mounted on the bottom of the base plate 33. The piston rod on the first clamping cylinder 41 is movably connected to the first cylinder hinge seat 43. The first intermediate hinge seat 45 is fixed to the upper part of the base plate 33. The first pressure plate 47 is hinged at its head end to the first cylinder hinge seat 43, and its middle end to the first intermediate hinge seat 45. The tail end of the first pressure plate 47 is clamped in cooperation with the chain plate 2. The second clamping assembly includes a second clamping cylinder 42, a second cylinder hinge seat 44, a second intermediate hinge seat 46 and a second pressure plate 48. The second clamping cylinder 42 is installed at the bottom of the base plate 33. The piston rod on the second clamping cylinder 42 is movably connected to the second cylinder hinge seat 44. The second intermediate hinge seat 46 is fixed to the upper part of the base plate 33. The head end of the second pressure plate 48 is hinged to the second cylinder hinge seat 44, the middle end of the second pressure plate 48 is hinged to the second intermediate hinge seat 46, and the tail end of the second pressure plate 48 is clamped with the chain plate 2 to prevent it from moving.

[0035] The positioning mechanism 5 is mounted on the top plate 34. It allows the attachment to be mounted and connected to the center hole of the chain plate 2. The positioning mechanism 5 comprises a positioning cylinder 51, a positioning seat 52, an attachment hole locating pin 53, and an initial positioning plate 54. The positioning cylinder 51 is mounted in an inverted position on the top plate 34. The positioning seat 52 is connected to the positioning cylinder 51. The initial positioning plate 54 is fixed to the bottom of the top plate 34. The initial positioning plate 54 has an opening 55. The width of the opening 55 should be greater than the thickness of the accessory flat wire and less than the outer diameter of the accessory. The accessory is positioned within the opening 55. The attachment hole locating pin 53 passes through the accessory 1. The positioning cylinder 51 drives the positioning seat 52 to press against the attachment hole locating pin 53, thereby clamping the accessory to the chain plate 2. This ensures a secure clamping of the accessory to the chain plate 2. The first clamping cylinder 41, the second clamping cylinder 42, the flipper 31, and the positioning cylinder 51 are controlled by a PLC controller.

[0036] A method for welding the glove conveyor chain accessories and the chain plate 2, comprising the following steps:

[0037] Step 1: Initialize the welding system. The arc welding robot is in the initial position, which is in front of the welding device. The welding device is in the first working position. Figure 2 ;

[0038] Step 2: Connect the chain plate 2 to the pair of positioning pins 35 on the bottom plate 33 to accurately position the chain plate 2;

[0039] Step 3: Perform initial positioning through the opening 55 on the initial positioning plate 54 and place the accessory in the hole in the middle of the chain plate 2;

[0040] Step 4: Pass the accessory hole locating pin 53 through the accessory 1, and the positioning cylinder 51 drives the positioning seat 52 to press the accessory hole locating pin 53, thereby pressing the accessory and the chain plate tightly to fix the position of the accessory.

[0041] Step 5: At the same time, the first clamping cylinder 41 and the second clamping cylinder 41 move to the set position, controlling the first pressing plate 47 and the second pressing plate 48 to press and fix the two ends of the chain plate 2;

[0042] Step 6: The arc welding robot can realize continuous trajectory control and point control under the control of the computer, and start the arc welding robot to automatically weld the weld I between the attachment and the chain plate 2.

[0043] Step 7: After the welding of the weld seam I is completed, the flipper 31 flips the welding device 180 degrees to the second working position. Figure 4 ;

[0044] Step 8: The arc welding robot automatically welds the weld II between the attachment and the chain plate 2;

[0045] Step 9: After the welding of weld II is completed, the flipper 31 flips the welding device 180 degrees to the first working position;

[0046] Step 10: The positioning cylinder 51 moves to the initial position, that is, the positioning cylinder 51 drives the positioning seat 52 to separate from the accessory hole positioning pin 53, and then the accessory hole positioning pin 53 is removed;

[0047] Step 11: Clamp the cylinder and move it to the initial position, that is, separate the first pressing plate 47 and the second pressing plate 48 from both ends of the chain plate 2, thereby removing the welded parts, completing the welding of the accessories and the chain plate 2, and resetting the welding system.

[0048] The present invention utilizes the coordination of the clamping mechanism 4 and the positioning mechanism 5 to independently clamp and secure the accessory to the chain plate 2, improving clamping efficiency and stability. The flipper 31 can be flipped 180 degrees, enabling a single clamping operation for welding the accessory to the chain plate 2, thereby enhancing welding precision. This replaces manual welding, accelerating production efficiency and significantly reducing labor intensity. The arc welding robot automates the welding process between the accessory 1 and the chain plate 2.

[0049] The above embodiments are only used to illustrate the inventive concept of the present invention, and are not intended to limit the protection of the rights of the present invention. Any non-substantial changes to the present invention using this concept should fall within the scope of protection of the present invention.

Claims

1. A welding device for glove conveyor chain accessories and chain plates, characterized in that: It includes a flipping mechanism, a clamping mechanism and a positioning mechanism. The flipping mechanism includes a flipper, a flipping bracket, a bottom plate, a top plate and a chain plate positioner. The bottom plate and the top plate are respectively connected to both sides of the flipping bracket. The flipper drives the flipping bracket to rotate. The chain plate positioner is installed on the bottom plate, and the chain plate is positioned by the chain plate positioner. The clamping mechanism is installed on the bottom plate, and the chain plate is clamped by the clamping mechanism. The positioning mechanism is installed on the top plate, and the accessories are installed by the positioning mechanism, and the accessories are driven to connect with the middle hole of the chain plate. The clamping mechanism comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly clamp the two ends of the clamping chain plate respectively; The first clamping assembly includes a first clamping cylinder, a first cylinder hinge seat, a first intermediate hinge seat and a first pressure plate, the first clamping cylinder is installed at the bottom of the base plate, the piston rod on the first clamping cylinder is movably connected to the first cylinder hinge seat, the first intermediate hinge seat is fixed to the upper part of the base plate, the first pressure plate is hinged at the first cylinder hinge seat at the head end, the first pressure plate is hinged at the first cylinder hinge seat at the middle end, and the first pressure plate is clamped and matched with the chain plate; the second clamping assembly includes a second clamping cylinder, a second cylinder hinge seat, a second intermediate hinge seat and a second pressure plate, the second clamping cylinder is installed at the bottom of the base plate, the piston rod on the second clamping cylinder is movably connected to the second cylinder hinge seat, the second intermediate hinge seat is fixed to the upper part of the base plate, the second pressure plate is hinged at the head end to the second cylinder hinge seat, the second pressure plate is hinged at the middle end to the second intermediate hinge seat, and the second pressure plate is clamped and matched with the chain plate; The positioning mechanism includes a positioning cylinder, a positioning seat, an accessory hole positioning pin and an initial positioning plate. The positioning cylinder is installed inverted on the top of the top plate, the positioning seat is connected to the positioning cylinder, the initial positioning plate is fixed to the bottom of the top plate, an opening is provided on the initial positioning plate, the accessory is located in the opening, the accessory hole positioning pin passes through the accessory, and the positioning cylinder drives the positioning seat to press the accessory hole positioning pin, thereby pressing the accessory and the chain plate tightly.

2. A welding device for glove conveyor chain accessories and chain plates according to claim 1, characterized in that: The chain plate positioner adopts a pair of positioning pins, and the holes on the chain plate cooperate with the positioning pins.

3. A welding device for glove conveyor chain accessories and chain plates according to claim 1, characterized in that: The flipper uses a stepper motor or a pneumatic rotary actuator.

4. A welding device for glove conveyor chain accessories and chain plates according to claim 1, characterized in that: A first reinforcing rib is provided between the flip bracket and the top plate, and a second reinforcing rib is provided between the flip bracket and the bottom plate.

5. The welding device for glove conveyor chain accessories and chain plates according to claim 1, characterized in that: The opening width of the initial positioning plate should be greater than the thickness of the accessory flat wire and smaller than the outer diameter of the accessory.

Citation Information

Patent Citations

  • Automatic welding machine and automatic welding method for double straight seams of radiator

    CN105945391A

  • Swing arm welding jig

    CN208178803U

  • Welding device for glove conveying chain accessory and chain plate

    CN211804319U