Welding equipment for hand mold for glove production

Abstract

The utility model relates to welding equipment for a hand mold for glove production. The welding equipment comprises a rack, a workbench, a hand mold positioning mechanism and a welding gun. The hand mold positioning mechanism comprises a rotating shaft rotationally installed on the workbench and a driving mechanism arranged on the workbench and used for driving the rotating shaft to rotate, a positioning disc is arranged on the rotating shaft, a positioning jig is vertically fixed to the center of the positioning disc, an inner tensioning part is fixed to the positioning jig, and the positioning jig is sleeved with a stripper plate. The positioning plate is arranged on the positioning disc, the positioning jig is sleeved with a positioning sleeve, the positioning sleeve is arranged on the stripping plate and used for sleeving installation of a wrist tube, the inner tensioning part is used for sleeving installation of a palm, and a telescopic driving part for driving the inner tensioning part to act to fix the palm is arranged on the workbench. And a muzzle of the welding gun faces the splicing seam of the wrist cylinder and the palm. The welding device has the effect of improving the welding efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of welding equipment, and in particular to a welding equipment for producing gloves using a hand mold. Background Art

[0002] At present, the hand molds for the production of PVC nitrile latex dipped gloves are all made of stainless steel. The hand mold is a hollow structure of metal sheet as a whole, with a wall thickness of 0.3-2.0 mm and a continuous streamline shape.

[0003] The hand model includes a palm, a wrist tube and a base in sequence. The wrist tube is a columnar hollow structure with openings at both ends. The base is placed in the opening at the other end of the wrist tube and welded and fixed. The palm is welded and fixed to one end of the wrist tube.

[0004] With respect to the above-mentioned related technologies, the inventor believes that in the welding process of the palm and the wrist tube, the palm and the wrist tube need to be aligned first, and then the connection between the palm and the wrist tube is welded. The welding work of the palm and the wrist tube is performed manually, resulting in low welding efficiency, so there are certain areas for improvement. Utility Model Content

[0005] In order to improve welding efficiency, the present application provides a welding device for glove production using a hand mold.

[0006] The present application provides a welding device for hand molds for glove production using the following technical solutions:

[0007] A hand mold welding device for glove production, comprising a frame, a workbench arranged on the frame, a hand mold positioning mechanism arranged on the workbench, and a welding gun arranged on the workbench and located on one side of the hand mold positioning mechanism;

[0008] The hand model positioning mechanism includes a rotating shaft rotatably mounted on the workbench, and a driving mechanism arranged on the workbench for driving the rotating shaft to rotate, a positioning plate is arranged on the rotating shaft, a positioning fixture is vertically fixed to the center of the positioning plate, an inner tensioning part is fixed to the positioning fixture, a stripping plate is connected to the outer surface of the positioning fixture, the stripping plate is placed on the positioning plate, a positioning sleeve is connected to the outer surface of the positioning fixture, the positioning sleeve is placed on the stripping plate, the positioning sleeve is used for sleeve installation of the wrist tube, the inner tensioning part is used for sleeve installation of the palm, and a telescopic driving part is arranged on the workbench for driving the inner tensioning part to move to fix the palm;

[0009] The muzzle of the welding gun faces the joint between the wrist tube and the palm.

[0010] Preferably, the driving mechanism includes a support plate fixed under the workbench, and a driving motor fixed on the support plate, a first synchronous pulley is installed on the output shaft of the driving motor, a second synchronous pulley is sleeved on the rotating shaft, and the first synchronous pulley and the second synchronous pulley are connected by a synchronous belt body.

[0011] Preferably, the inner tensioning portion includes an inner tensioning sleeve, one end of the inner tensioning sleeve is fixed on the positioning fixture, and the other end of the inner tensioning sleeve is provided with a plurality of tensioning grooves, and the plurality of tensioning grooves are evenly spaced along the circumferential direction of the inner tensioning sleeve, and the length direction of the tensioning grooves extends along the axial direction of the inner tensioning sleeve, and the other end of the inner tensioning sleeve is separated by the plurality of tensioning grooves to form a plurality of tensioning blocks, and the outer wall surface of each tensioning block has a tensioning convex surface protruding outward; the telescopic driving portion is used to drive each of the tensioning blocks to expand radially outward.

[0012] Preferably, the telescopic driving part comprises a pull rod and a tension rod, the pull rod is passed through the axial center line of the rotating shaft, the positioning fixture and the inner tensioning sleeve, the tensioning rod is fixed to the end of the pull rod, the other end of the inner tensioning sleeve is provided with a first tensioning cone surface around its center, and the end of the tensioning rod has a second tensioning cone surface matching the first tensioning cone surface;

[0013] The frame is provided with a telescopic driving component at the bottom for driving the pull rod to telescope.

[0014] Preferably, the telescopic driving component includes a support column fixed under the workbench, a driving plate is slidably mounted on the support column, a telescopic driving cylinder is fixed on the support column, the output shaft of the telescopic driving cylinder is fixed on the lower surface of the driving plate, and the end of the pull rod is connected to the upper surface of the driving plate.

[0015] Preferably, a mounting sleeve is fixed to the upper surface of the driving plate, a thrust disc bearing is arranged inside the mounting sleeve, and a connecting block matching with the thrust disc bearing is fixed to the end of the pull rod.

[0016] Preferably, a push rod is fixed on the driving plate in the vertical direction, and the push rod passes through the workbench to be lifted onto the stripping plate.

[0017] Preferably, a support frame is provided on the workbench, a pressing mechanism is provided on the support frame above the hand model positioning mechanism, and an external limiting mechanism is provided on one side of the hand model positioning mechanism.

[0018] Preferably, the pressing mechanism includes a pressing cylinder fixed on the support frame, a pressing plate is installed on the output rod of the pressing cylinder, a pressing sleeve is rotatably installed on the pressing plate, a pressing positioning block is fixed on the pressing sleeve, and a plurality of pressing positioning holes are provided on the pressing positioning block for fitting with the palm and fingers.

[0019] Preferably, the external limiting mechanism includes two limiting cylinders fixedly arranged on the supporting frame, the two limiting cylinders are symmetrically arranged on both sides of the hand model positioning mechanism, a limiting plate is installed on the output rod of the limiting cylinder, two limiting wheels are rotatably installed on the limiting plate, the two limiting wheels are arranged side by side and spaced apart, and the wheel surfaces of the two limiting wheels are in contact with the joint position of the wrist tube and the palm.

[0020] In summary, the present application includes at least one of the following beneficial technical effects:

[0021] The present application involves first sleeveing ​​the wrist tube onto the positioning sleeve, and then sleeveing ​​the palm onto the inner tensioning portion. At this time, the end of the palm is spliced ​​and aligned with the end of the wrist tube, and then the joint gap between the palm and the wrist tube is tensioned and fixed by the inner tensioning portion. The driving mechanism drives the positioning fixture to rotate, and the welding gun can be aimed at the joint gap between the palm and the wrist tube for welding, thereby completing the welding of the palm and the wrist tube. The above method can solve the problems of weld misalignment and step difference, and at the same time make the welding semi-automatic, thereby improving the welding efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a first structural schematic diagram of a welding device.

[0023] Figure 2 It is a second structural schematic diagram of the welding equipment.

[0024] Figure 3 It is a structural schematic diagram of the hand model positioning mechanism.

[0025] Figure 4 It is a structural schematic diagram of the telescopic drive unit.

[0026] Figure 5 yes Figure 4 Enlarged schematic diagram of part A in the middle.

[0027] Figure 6 It is a structural schematic diagram of the pressing mechanism and the external limit mechanism.

[0028] Description of the accompanying drawings: 1. frame; 2. workbench; 3. hand model positioning mechanism; 31. rotating shaft; 32. bearing seat; 33. positioning plate; 34. positioning fixture; 35. inner tensioning part; 351. inner tensioning sleeve; 352. tensioning groove; 353. tensioning block; 354. tensioning convex surface; 36. stripping plate; 37. positioning sleeve; 38. telescopic driving part; 381. pull rod; 382. tensioning rod; 383. first tensioning cone surface; 384. second tensioning cone surface; 385. support Column; 386, drive plate; 387, telescopic drive cylinder; 388, mounting sleeve; 389, thrust plate bearing; 390, connecting block; 32, drive mechanism; 321, support plate; 322, drive motor; 4, welding gun; 5, welding bracket; 6, push rod; 7, support frame; 8, pressing mechanism; 81, pressing cylinder; 82, pressing plate; 83, pressing sleeve; 84, pressing positioning block; 9, external limit mechanism; 91, limit cylinder; 92, limit plate; 93, limit wheel. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-6 This application is described in further detail.

[0030] A welding device for hand molds used in glove production, referring to Figure 1 and Figure 2 As shown, the hand model positioning device comprises a frame 1, a workbench 2 arranged on the frame 1, a hand model positioning mechanism 3 arranged on the workbench 2, and a welding gun 4 arranged on the workbench 2 and located at one side of the hand model positioning mechanism 3. The hand model positioning mechanism 3 is used to install the wrist sleeve and the palm. After the wrist sleeve and the palm are installed, the welding gun 4 can weld the joint of the wrist sleeve and the palm to form a hand model.

[0031] The hand mold positioning mechanism 3 and other structures are described below.

[0032] Reference Figure 3 , Figure 4 and Figure 5 As shown, the hand model positioning mechanism 3 includes a rotating shaft 31 rotatably mounted on the workbench 2, and a driving mechanism 32 arranged on the workbench 2 for driving the rotating shaft 31 to rotate. A mounting opening is provided on the workbench 2, and bearing seats 32 are provided on the upper surface and the lower surface of the workbench 2 around the mounting opening. The rotating shaft 31 is installed in the bearing seats 32 to realize the rotatable installation on the workbench 2, and the rotating shaft 31 is arranged on the workbench 2 along the vertical direction.

[0033] The driving mechanism 32 includes a support plate 321 fixed under the workbench 2, and a driving motor 322 fixed on the support plate 321, a first synchronous pulley is installed on the output shaft of the driving motor 322, a second synchronous pulley is sleeved on the rotating shaft 31, and the first synchronous pulley and the second synchronous pulley are connected by a synchronous belt body.

[0034] A positioning disk 33 is fixedly provided at the upper end of the rotating shaft 31, and a positioning jig 34 is fixed at the center of the positioning disk 33. The positioning jig 34 is a cylindrical structure and is arranged in the vertical direction. An inner tensioning portion 35 is fixed to the upper end of the positioning jig 34. A stripping plate 36 is connected to the outer sleeve of the positioning jig 34. The stripping plate 36 is placed on the positioning disk 33. The stripping plate 36 is not fixed to the positioning jig 34, and the stripping plate 36 can move freely relative to the positioning jig 34. A positioning sleeve 37 is connected to the outer sleeve of the positioning jig 34. The positioning sleeve 37 is placed on the stripping plate 36. The positioning sleeve 37 is not fixed to the positioning jig 34, and the positioning sleeve 37 can move freely relative to the positioning jig 34.

[0035] The positioning sleeve 37 is used for the wrist tube to be sleeved and installed. The lower end of the wrist tube will abut against the positioning shoulder of the positioning sleeve 37. The upper end of the wrist tube extends to the position of the inner tensioning part 35. The inner tensioning part 35 is used for the palm to be sleeved and installed. At this time, the joint between the wrist tube and the palm will be located at the position of the inner tensioning part 35. The workbench 2 is provided with a telescopic driving part 38 that drives the inner tensioning part 35 to move to fix the palm.

[0036] A welding bracket 5 is provided on the workbench 2, and a welding gun 4 is fixed on the welding bracket 5. The horizontal height of the welding gun 4 muzzle is flush with the horizontal height of the joint between the wrist tube and the palm, and the muzzle of the welding gun 4 faces the joint between the wrist tube and the palm.

[0037] The present application involves first sleeveing ​​the wrist tube onto the positioning sleeve 37, and then sleeved the palm onto the inner tensioning portion 35. At this time, the end of the palm is spliced ​​and matched with the end of the wrist tube, and then the joint gap between the palm and the wrist tube is tensioned and fixed by the inner tensioning portion 35. The driving mechanism 32 drives the positioning fixture 34 to rotate, and the welding gun 4 can be aligned with the joint gap between the palm and the wrist tube for welding, thereby completing the welding of the palm and the wrist tube. The above method can solve the problems of weld misalignment and step difference, and at the same time make the welding semi-automatic, thereby improving the welding efficiency and quality.

[0038] Reference Figure 3 and Figure 4 As shown, the inner tensioning portion 35 includes an inner tensioning sleeve 351, one end of which is fixed on the positioning fixture 34, the upper end of the positioning fixture 34 is provided with a mounting groove, and the lower end of the inner tensioning sleeve 351 has an extension end, which is inserted into the mounting groove and locked by screws.

[0039] The other end of the inner tensioning sleeve 351 is provided with a plurality of tensioning grooves 352, which are evenly spaced along the circumferential direction of the inner tensioning sleeve 351, and the length direction of the tensioning grooves 352 extends along the axial direction of the inner tensioning sleeve 351. The other end of the inner tensioning sleeve 351 is separated by the plurality of tensioning grooves 352 to form a plurality of tensioning blocks 353, and the outer wall surface of each tensioning block 353 has a tensioning convex surface 354 protruding outward, and the telescopic driving part 38 is used to drive each tensioning block 353 to expand radially outward.

[0040] The telescopic driving part 38 includes a pull rod 381 and a tensioning rod 382. The pull rod 381 is passed through the axial center line of the rotating shaft 31, the positioning fixture 34 and the inner tensioning sleeve 351. That is, the rotating shaft 31, the positioning fixture 34, the inner tensioning sleeve 351 and the positioning sleeve 37 are provided with a through hole for the pull rod 381 to pass through along their axial center lines. The through holes respectively pass through the two ends of the rotating shaft 31, the two ends of the positioning fixture 34, the two ends of the inner tensioning sleeve 351 and the two ends of the positioning sleeve 37.

[0041] The tensioning rod 382 is fixed at the end of the pull rod 381, and the other end of the inner tensioning sleeve 351 is provided with a first tensioning cone 383 around its center. The end of the tensioning rod 382 has a second tensioning cone 384 that cooperates with the first tensioning cone 383. The frame 1 is provided with a telescopic driving component at the bottom for driving the pull rod 381 to extend and retract.

[0042] Reference Figure 4 and Figure 5 As shown, the telescopic driving component includes a support column 385 fixed under the workbench 2, and the support column 385 is specifically fixed on the support plate 321 under the workbench 2. A driving plate 386 is slidably mounted on the support column 385. A telescopic driving cylinder 387 is fixed on the support column 385. The output shaft of the telescopic driving cylinder 387 is fixed on the lower surface of the driving plate 386, and the end of the pull rod 381 is connected to the upper surface of the driving plate 386.

[0043] Since the pull rod 381 needs to have a driving force to pull up and down, and the pull rod 381 also needs to be able to rotate with the inner tensioning part 35, the connection structure between the pull rod 381 and the driving plate 386 is adopted, a mounting sleeve 388 is fixed on the upper surface of the driving plate 386, the mounting sleeve 388 has a mounting cavity, a thrust disc bearing 389 is arranged in the mounting sleeve 388, and the thrust disc bearing 389 is installed on the inner top surface of the mounting sleeve 388, and a connecting block 390 matching the thrust disc bearing 389 is fixed at the end of the pull rod 381. The connecting block 390 is against the thrust disc bearing 389, so that the tension rod 382 is pulled by the pull rod 381 to drive the inner tension block 353 to expand outward, and when the inner tensioning sleeve 351 rotates, the pull rod 381 can also rotate with the inner tensioning sleeve 351.

[0044] A push rod 6 is fixed on the driving plate 386 in the vertical direction, and the push rod 6 passes through the workbench 2 to be lifted on the stripper plate 36. The upper end of the push rod 6 is not connected to the stripper plate 36, and the push rod 6 only serves to lift the stripper plate 36, and the stripper plate 36 drives the positioning sleeve 37 to move to separate the hand mold from the inner tensioning part 35.

[0045] Reference Figure 2 and Figure 6 As shown, a support frame 7 is provided on the workbench 2 , a pressing mechanism 8 is provided on the support frame 7 above the hand model positioning mechanism 3 , and an external limiting mechanism 9 is provided on one side of the hand model positioning mechanism 3 .

[0046] The pressing mechanism 8 includes a pressing cylinder 81 fixed on the support frame 7, a pressing plate 82 is installed on the output rod of the pressing cylinder 81, a pressing sleeve 83 is rotatably installed on the pressing plate 82, a pressing positioning block 84 is fixed on the pressing sleeve 83, and a plurality of pressing positioning holes are opened on the pressing positioning block 84 for fitting with the palm and fingers.

[0047] The external limiting mechanism 9 includes two limiting cylinders 91 fixedly arranged on the support frame 7, and the two limiting cylinders 91 are symmetrically arranged on both sides of the hand model positioning mechanism 3. A limiting plate 92 is installed on the output rod of the limiting cylinder 91, and two limiting wheels 93 are rotatably installed on the limiting plate 92. The two limiting wheels 93 are arranged side by side at intervals, and the wheel surfaces of the two limiting wheels 93 are in contact with the joint position of the wrist tube and the palm.

[0048] The pressing mechanism 8 is used to press the palm against the wrist tube, and the external limiting mechanism 9 is used to press the joint between the palm and the wrist tube from the outside.

[0049] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A welding device for hand molds used in glove production, characterized in that: It comprises a frame (1), a workbench (2) arranged on the frame (1), a hand model positioning mechanism (3) arranged on the workbench (2), and a welding gun (4) arranged on the workbench (2) and located on one side of the hand model positioning mechanism (3); The hand model positioning mechanism (3) comprises a rotating shaft (31) rotatably mounted on the workbench (2), and a driving mechanism (32) arranged on the workbench (2) for driving the rotating shaft (31) to rotate, the rotating shaft (31) being provided with a positioning plate (33), a positioning fixture (34) being vertically fixed at the center of the positioning plate (33), an inner tensioning portion (35) being fixed to the positioning fixture (34), and an outer sleeve of the positioning fixture (34) A stripping plate (36) is connected, the stripping plate (36) is placed on the positioning plate (33), the positioning fixture (34) is outer-mounted with a positioning sleeve (37), the positioning sleeve (37) is placed on the stripping plate (36), the positioning sleeve (37) is used for sleeve installation of the wrist tube, the inner tensioning part (35) is used for sleeve installation of the palm, and the workbench (2) is provided with a telescopic driving part (38) for driving the inner tensioning part (35) to move to fix the palm; The muzzle of the welding gun (4) faces the joint between the wrist tube and the palm.

2. A welding device for hand molds for glove production according to claim 1, characterized in that: The driving mechanism (32) comprises a support plate (321) fixed below the workbench (2), and a driving motor (322) fixed on the support plate (321); a first synchronous belt pulley is mounted on the output shaft of the driving motor (322); a second synchronous belt pulley is sleeved and mounted on the rotating shaft (31); the first synchronous belt pulley and the second synchronous belt pulley are connected via a synchronous belt body.

3. The welding equipment for hand molds used in glove production according to claim 1, characterized in that: The inner tensioning portion (35) comprises an inner tensioning sleeve (351), one end of the inner tensioning sleeve (351) is fixed on the positioning fixture (34), the other end of the inner tensioning sleeve (351) is provided with a plurality of tensioning grooves (352), the plurality of tensioning grooves (352) are evenly spaced along the circumferential direction of the inner tensioning sleeve (351), the length direction of the tensioning grooves (352) extends along the axial direction of the inner tensioning sleeve (351), the other end of the inner tensioning sleeve (351) is separated by the plurality of tensioning grooves (352) to form a plurality of tensioning blocks (353), and the outer wall surface of each tensioning block (353) has a tensioning convex surface (354) protruding outwards; The telescopic driving part (38) is used to drive each of the tensioning blocks (353) to expand radially outward.

4. The welding equipment for hand molds used in glove production according to claim 3, characterized in that: The telescopic driving part (38) comprises a pull rod (381) and a tensioning rod (382), wherein the pull rod (381) is passed through the axial center line of the rotating shaft (31), the positioning fixture (34) and the inner tensioning sleeve (351), and the tensioning rod (382) is fixed to the end of the pull rod (381), and the other end of the inner tensioning sleeve (351) is provided with a first tensioning cone surface (383) around its center, and the end of the tensioning rod (382) has a second tensioning cone surface (384) that cooperates with the first tensioning cone surface (383); The frame (1) is provided with a telescopic driving component at the bottom for driving the pull rod (381) to telescope.

5. The welding equipment for hand molds used in glove production according to claim 4, characterized in that: The telescopic driving component includes a support column (385) fixed below the workbench (2), a driving plate (386) being slidably mounted on the support column (385), a telescopic driving cylinder (387) being fixed on the support column (385), an output shaft of the telescopic driving cylinder (387) being fixed on the lower surface of the driving plate (386), and an end of the pull rod (381) being connected to the upper surface of the driving plate (386).

6. A welding device for hand molds for glove production according to claim 5, characterized in that: A mounting sleeve (388) is fixed on the upper surface of the driving plate (386), a thrust disc bearing (389) is arranged inside the mounting sleeve (388), and a connecting block (390) matching with the thrust disc bearing (389) is fixed at the end of the pull rod (381).

7. The welding equipment for hand molds used in glove production according to claim 5, characterized in that: A push rod (6) is fixed on the driving plate (386) in the vertical direction, and the push rod (6) passes through the workbench (2) to be lifted onto the stripping plate (36).

8. The welding equipment for hand molds used in glove production according to claim 1, characterized in that: A support frame (7) is provided on the workbench (2); a pressing mechanism (8) is provided on the support frame (7) above the hand model positioning mechanism (3); and an external limiting mechanism (9) is provided on one side of the hand model positioning mechanism (3).

9. A welding device for hand molds for glove production according to claim 8, characterized in that: The pressing mechanism (8) comprises a pressing cylinder (81) fixed on the support frame (7); a pressing plate (82) is mounted on the output rod of the pressing cylinder (81); a pressing sleeve (83) is rotatably mounted on the pressing plate (82); a pressing positioning block (84) is fixed on the pressing sleeve (83); and a plurality of pressing positioning holes for fitting with palms and fingers are provided on the pressing positioning block (84).

10. The welding equipment for hand molds used in glove production according to claim 8, characterized in that: The external limiting mechanism (9) comprises two limiting cylinders (91) fixedly arranged on the support frame (7), the two limiting cylinders (91) are symmetrically arranged on both sides of the hand model positioning mechanism (3), a limiting plate (92) is installed on the output rod of the limiting cylinder (91), and two limiting wheels (93) are rotatably installed on the limiting plate (92), the two limiting wheels (93) are arranged side by side and spaced apart, and the wheel surfaces of the two limiting wheels (93) are in contact with the joint position of the wrist tube and the palm.

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