Welding device for welding miscellaneous plastic tray

Abstract

The utility model discloses a welding device for welding a miscellaneous plastic tray, which is used for solving the problems that some molten materials at the port position of a plastic product of a tray welding device in the prior art mentioned in the background art can be attached to a heating plate, and the plastic materials attached to the heating plate influence the contact area between the heating plate and plastic; the device comprises a base and a supporting frame arranged on the base, two placing tables are arranged on the base in a sliding mode, two first clamps used for positioning and clamping a first tray piece are arranged on the two placing tables respectively, and two second clamps used for positioning a second tray piece are arranged on the two placing tables respectively. A negative pressure adsorption disc used for adsorbing the second tray piece is vertically arranged on the supporting frame in a sliding mode, a heating plate used for welding the first tray piece and the second tray piece is arranged on the supporting frame in a sliding mode, and two cleaning assemblies used for cleaning the hot melting end face of the heating plate are arranged on the supporting frame. The supporting frame is provided with a driving assembly used for synchronously driving the two cleaning assemblies to move.

Description

TECHNICAL FIELD

[0001] The utility model relates to tray welding technical field, concretely relates to a kind of welding device for miscellaneous plastic tray welding. BACKGROUND

[0002] Miscellaneous plastic tray has the characteristics of recycling, convenient to use, firm and reliable, the principle of miscellaneous plastic hot melting welding is to melt plastic material by heating, and the molten plastic parts are contacted and combined together by applying pressure.

[0003] The prior art tray welding device, such as the utility model patent document with the patent name of "plastic tray welding machine" and the authorization announcement number of "CN221775296U", discloses a tray welding device, which comprises: an upper workbench provided with a plurality of third clamps for clamping third tray plastic parts; a third driving device capable of driving the upper workbench to move up and down; a first lower workbench fixedly provided with a plurality of first clamps capable of clamping first tray plastic parts; a first driving device capable of driving the first lower workbench to move to the lower side of the upper workbench; a second lower workbench fixedly provided with a plurality of second clamps capable of clamping second tray plastic parts; a second driving device capable of driving the second lower workbench to move to the lower side of the upper workbench; and a fourth driving device capable of moving a plurality of upper heating plates and a plurality of lower heating plates to heat between the third tray plastic parts and the second tray plastic parts, or capable of moving the plurality of upper heating plates and the plurality of lower heating plates to heat between the second tray plastic parts and the first tray plastic parts.

[0004] In the above patent document, the hot melting end surfaces of the heating plates facing away from each other are used to heat and melt the end surfaces of the plastic products, and then the plurality of plastic parts are pressed together, but during the heating and melting process of the plastic products, some materials melted at the port position of the plastic products will adhere to the heating plates, and the plastic materials adhering to the heating plates will affect the contact area of the subsequent heating plates and plastic workpieces, resulting in a decrease in welding quality and a decrease in the firmness of the tray welding. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiencies of the prior art and proposes a welding device for miscellaneous plastic tray welding to solve the technical problem that some materials melted at the port position of the plastic products will adhere to the heating plates in the tray welding device of the prior art mentioned in the background, and the plastic materials adhering to the heating plates will affect the contact area of the subsequent heating plates and plastic workpieces, resulting in a decrease in welding quality and a decrease in the firmness of the tray welding.

[0006] The above technical purpose of the utility model is achieved by the following technical scheme:

[0007] The utility model provides a kind of welding device for mixed plastic tray welding, including base and support frame arranged on base, two placement tables are slidably arranged on the base, two first clamps for positioning and clamping first tray piece are respectively arranged on two placement tables, two second clamps for positioning second tray piece are respectively arranged on two placement tables, negative pressure adsorption disc for adsorbing second tray piece is vertically slidably arranged on the support frame, heating plate for welding first tray piece and second tray piece is slidably arranged on the support frame, two cleaning components for cleaning hot melt end surface of heating plate are arranged on the support frame, and drive assembly for synchronously driving two cleaning components to move is arranged on the support frame.

[0008] Working principle:

[0009] First, the operator places the first tray piece that needs to be hot melt welded on the placement table, then the operator places the second tray piece above the first tray piece, then the operator positions and clamps the first tray through the first clamp and positions the second tray piece on the first tray piece through the second clamp, then the operator moves the placement table, when the second tray piece on the placement table moves below the negative pressure adsorption disc, the operator moves the negative pressure adsorption disc, the negative pressure adsorption disc adsorbs and moves vertically away from the first tray piece, then the operator moves the heating plate between the first tray piece and the second tray piece, then the operator can hot melt the top surface of the first tray piece and the bottom surface of the second tray piece through the heating plate, after hot melting, the operator withdraws the heating plate from between the first tray piece and the second tray piece, then the operator moves the second tray piece and makes the bottom surface of the second tray piece abut against the top surface of the first tray piece, so as to hot melt weld the first tray piece and the second tray piece, when the first tray piece and the second tray piece are welded, the operator can take the first tray piece and the second tray piece that are welded from the placement table, when the operator needs to clean the hot melt end surface of the heating plate, the operator can move two cleaning components synchronously through the drive assembly, so that two cleaning components can clean the two hot melt end surfaces of the heating plate, thereby reducing impurities remaining on the two hot melt end surfaces of the heating plate.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] First, the cleaning component is provided, which can clean the two hot melt end surfaces of the heating plate, reduce the impurities remaining on the two hot melt end surfaces of the heating plate, and improve the contact area between the heating plate and the first tray piece and the second tray piece.

[0012] Second, the drive assembly is provided, which can synchronously drive two cleaning components to clean the two hot melt end surfaces of the heating plate.

[0013] Third, the first clamp and the second clamp are provided, the first clamp can position and clamp the first tray on the placing table, and the second clamp can position the second tray on the first tray, so that the circumferential side of the first tray coincides with the circumferential side of the first tray, facilitating subsequent welding of the first tray and the first tray.

[0014] Fourth, the negative pressure adsorption disc is provided, the negative pressure adsorption disc can adsorb the second tray on the first tray and make the adsorbed second tray away from the first tray, so that the heating plate can be moved between the first tray and the second tray and heated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the embodiment of the utility model;

[0016] Figure 2 It is Figure 1 It is a cross-sectional structural schematic diagram of the enlarged A in the middle;

[0017] Figure 3 It is a top view structural schematic diagram of the embodiment of the utility model;

[0018] Figure 4 It is Figure 1 It is a cross-sectional structural schematic diagram of the enlarged B in the middle;

[0019] Figure 5 It is a cross-sectional structural schematic diagram of the sliding rail and the sliding block;

[0020] Figure 6 It is a cross-sectional structural schematic diagram of the second guide rail, the third screw and the third guide rod.

[0021] BRIEF DESCRIPTION OF DRAWINGS: base 1, support frame 2, placing table 3, first clamp 4, second clamp 5, negative pressure adsorption disc 6, heating plate 7, first telescopic rod 8, fixed frame 9, cleaning roller 10, scraper 11, first spring 12, first guide rail 13, first screw 14, first sliding block 15, chain wheel 16, chain 17, first motor 18, second screw 19, second guide rod 20, second sliding block 21, second motor 22, first guide rod 23, sliding rail 24, sliding block 25, fixed block 26, roller 27, second telescopic rod 28, step surface 29, third telescopic rod 30, second guide rail 33, third screw 34, third guide rod 35, third sliding block 36, first tray 37, second tray 38, fixed shaft 39, guide groove 40, third motor 41. DETAILED DESCRIPTION

[0022] The technical scheme in the utility model will be further explained in combination with the drawings and the embodiments.

[0023] Embodiment:

[0024] As shown in Figure 1 and Figure 3 , a welding device for mixed plastic tray welding, comprising a base 1 and a support frame 2 arranged on the base 1, two placing tables 3 are arranged on the base 1, two first clamps 4 for positioning and clamping the first tray part 37 are arranged on the two placing tables 3 respectively, the two first clamps 4 can respectively push the opposite sides of the first tray part 37, so as to position and clamp the first tray part 37, two second clamps 5 for positioning the second tray part 38 are arranged on the two placing tables 3 respectively, the second clamps 5 can push the connection between the first tray part 37 and the second tray part 38, so as to overlap the circumferential side of the second tray part 38 with the circumferential side of the first tray part 37.

[0025] As shown in Figure 1 and Figure 3 , a second screw 19 is arranged on the base 1, a second guide rod 20 is fixed on the base 1 and parallel to the second screw 19, a second sliding block 21 is arranged at the bottom of each of the two placing tables 3, the two second sliding blocks 21 are screwed with the second screw 19 and the two second sliding blocks 21 are slidingly connected with the second guide rod 20, a second motor 22 is fixed on the base 1 and the output end of the second motor 22 is fixed with the second screw 19, the second motor 22 can drive the second screw 19, the second screw 19 synchronously drives the second sliding block 21 to move on the second guide rod 20, so that one of the second sliding blocks 21 and the placing table 3 on the second sliding block 21 moves to the lower side of the negative pressure suction disc 6, so that the negative pressure suction disc can adsorb the second tray part 38 on the first tray part 37, and the other second sliding block 21 moves to one side of the support frame 2, so that the operator can place the first tray part 37 and the second tray part 38, so that the first tray part 37 and the second tray part 38 can be placed again when the heating plate 7 heats the first tray part 37 and the second tray part 38, realizing double-station operation.

[0026] As shown in Figure 1 , a negative pressure suction disc 6 for adsorbing the second tray part 38 is vertically slidingly arranged on the support frame 2, a third telescopic rod 30 is fixed on the support frame 2 and the telescopic end of the third telescopic rod 30 faces the base 1, the negative pressure suction disc 6 is fixed on the telescopic end of the third telescopic rod 30, the third telescopic rod 30 can vertically move the negative pressure suction disc 6, so as to move the second tray part 38.

[0027] As shown in Figure 1 and Figure 6As shown, the support frame 2 is slidably provided with a heating plate 7 for welding the first tray piece 37 and the second tray piece 38, two second guide rails 33 are fixedly arranged on the support frame 2, one of the second guide rails 33 is rotatably provided with a third screw rod 34, the other second guide rail 33 is fixedly provided with a third guide rod 35, the third screw rod 34 and the third guide rod 35 are parallel to each other, two third sliding blocks 36 are slidably arranged in the second guide rails 33 and are respectively screwed with the third screw rod 34 and slidably connected with the third guide rod 35, a third motor 41 is fixedly arranged on the support frame 2 and the output end of the third motor 41 is fixedly connected with the third screw rod 34, the heating plate 7 is fixedly connected with the two third sliding blocks 36, the third motor 41 can drive the third screw rod 34, the third screw rod 34 can move the third sliding block 36 in the second guide rail 33, so that the third sliding block 36 can drive the heating plate 7 to move on the support frame 2 and move between the first tray piece 37 and the second tray piece 38.

[0028] As Figure 1 and Figure 4 and Figure 5As shown, the second slider 21 is provided with a lifting assembly for vertically lifting the first tray 37, the lifting assembly comprises a plurality of first guide rods 23, a sliding rail 24, a sliding block 25, two fixed blocks 26, two fixed shafts 39, two rollers 27 and a second telescopic rod 28, the first guide rods 23 are fixedly arranged on the bottom of the placing table 3 and slide through the second slider 21, the sliding rail 24 is fixedly arranged between the second slider 21 and the placing table 3, the sliding block 25 is slidingly arranged on the sliding rail 24, the sliding rail 24 is provided with a sliding groove, the sliding block 25 is slidingly arranged in the sliding groove, the fixed blocks 26 are fixedly arranged on the bottom of the placing table 3, the sliding block 25 is provided with two inclined step surfaces 29, the fixed shafts 39 are fixedly arranged on the fixed blocks 26, the rollers 27 are rotatably arranged on the fixed shafts 39 and rollingly abut the step surfaces 29, the sliding block 25 is oppositely provided with two guide grooves 40 with the same inclination as the step surfaces 29, the fixed shafts 39 slide through the guide grooves 40, in the initial state, the rollers 27 are located on the lower side of the step surfaces 29, when the sliding block 25 moves on the sliding rail 24 towards the rollers 27, the rollers 27 roll along the step surfaces 29 of the sliding block 25, the fixed blocks 26 vertically move upwards due to the pushing of the step surfaces 29, and then the placing table 3 vertically moves upwards, the top surface of the first tray 37 on the placing table 3 can be tightly attached to the bottom surface of the heating plate 7 and melt, the second telescopic rod 28 is fixedly arranged on the second slider 21 and is fixedly connected with the sliding block 25 at the telescopic end, the axis of the telescopic end of the second telescopic rod 28 is parallel to the axis of the second screw rod 19, and the second telescopic rod 28 can drive the sliding block 25 to move on the sliding rail 24.

[0029] As Figure 1 and Figure 2As shown, the support frame 2 is equipped with two cleaning components for cleaning the hot-melt end face of the heating plate 7. Each cleaning component includes a first telescopic rod 8, a fixing frame 9, a cleaning roller 10, a scraper 11, and a first spring 12. The first telescopic rod 8 is slidably mounted on the support frame 2, with its telescopic end facing the hot-melt end face of the heating plate 7. The fixing frame 9 is fixed to the telescopic end of the first telescopic rod 8, and its vertical height can be controlled by the first telescopic rod 8. The cleaning roller 10 is fixed to the fixing frame 9, and its contact with the hot-melt end face of the heating plate 7 is... The molten end face slides against the heating plate 7, and the cleaning roller 10 can wipe the molten end face of the heating plate 7 when it moves, thereby cleaning the molten end face of the heating plate 7. The scraper 11 is rotatably mounted on the fixed frame 9 and slides against the molten end face of the heating plate 7. The two ends of the first spring 12 are respectively fixed on the fixed frame 9 and the scraper 11, and the first spring 12 is used to push the scraper 11 against the molten end face of the heating plate 7. The scraper 11 can stick tightly to the molten end face of the heating plate 7 under the push of the first spring 12, so that the scraper 11 can scrape off the impurities on the molten end face of the heating plate 7.

[0030] like Figure 1 and Figure 3 As shown, the support frame 2 is equipped with a drive assembly for synchronously driving the movement of two cleaning components. The support frame 2 has two vertically opposing first guide rails 13, each containing a first screw 14. A first slider 15 is screwed onto each of the two first screws 14. The two first sliders 15 are slidably disposed within the two first guide rails 13. Two first telescopic rods 8 are fixed to the two first sliders 15. The drive assembly includes two sprockets 16, a chain 17, and a first motor 18. The two sprockets 16 are fixed to the two first screws 14. The chain 17 is sleeved on the outer ring of the two sprockets 16. The output end of the first motor 18 is fixed on one of the first screws 14. The first motor 18 can drive one of the first screws 14 to rotate. The rotation of the first screw 14 drives the sprocket 16 to rotate, thereby the sprocket 16 drives the chain 17 to rotate. In turn, the chain 17 drives the sprocket 16 on the other first screw 14 to rotate. Therefore, the two first screws 14 can rotate synchronously. The synchronous rotation of the two first screws 14 drives the two first sliders 15 to move synchronously within the first guide rail 13, thereby the two first sliders 15 synchronously drive the first telescopic rod 8 to move.

[0031] Working principle:

[0032] First, the operator will need to place the first tray piece 37 to be hot melt welded on the placement table 3, then the operator positions and clamps the first tray piece 37 through the first clamp 4, and then the operator places the second tray piece 38 on the first tray piece 37, and then the operator positions the second tray piece 38 on the first tray piece 37 through the second clamp 5.

[0033] Then the operator starts the second motor 22, the second motor 22 drives the second screw rod 19, the second screw rod 19 drives the second sliding block 21 to move on the second guide rod 20, so that the second sliding block 21 drives the placement table 3 to move to the lower side of the negative pressure suction disc 6, and then the operator starts the third telescopic rod 30, the third telescopic rod 30 drives the negative pressure suction disc 6 to move towards the second tray piece 38 and adsorb the second tray piece 38, when the adsorption of the second tray piece 38 is completed, the operator moves the second tray piece 38 away from the first tray piece 37 through the third telescopic rod 30.

[0034] Then the operator starts the third motor 41, the third motor 41 drives the third screw rod 34, the third screw rod 34 drives the third sliding block 36 to move in the second guide rail 33, so as to move the heating plate 7 to the first tray piece 37 and the second tray piece 38, then the operator starts the third telescopic rod 30 again, the third telescopic rod 30 drives the bottom surface of the second tray piece 38 to move towards the top surface of the heating plate 7 and abut with it, then the operator starts the second telescopic rod 28, the second telescopic rod 28 drives the sliding block 25 to move on the slide rail 24, when the sliding block 25 moves, the roller 27 is abutted by the upper step surface 29 of the sliding block 25, so that the roller 27 pushes the fixed block 26, and then the fixed block 26 drives the placement table 3 to move vertically upwards, the top surface of the first tray piece 37 on the placement table 3 abuts with the bottom surface of the heating plate 7, then the operator performs hot melt operation on the top surface of the first tray piece 37 and the bottom surface of the second tray piece 38 through the heating plate 7, when the hot melt operation is completed, the operator withdraws the heating plate 7 from between the first tray piece 37 and the second tray piece 38, then the operator drives the second tray piece 38 to move towards the first tray piece 37 through the third telescopic rod 30 and abut, so as to complete the welding operation of the first tray piece 37 and the second tray piece 38.

[0035] When the hot-melt end face of the heating plate 7 needs to be cleaned, the operator starts the first motor 18, the first motor 18 drives the first screw rod 14 fixedly connected therewith, the first screw rod 14 drives the chain wheel 16, the chain wheel 16 drives the chain 17, so that the chain 17 drives the chain wheel 16 on the other first screw rod 14 to rotate, and then the two first screw rods 14 rotate synchronously, the two first screw rods 14 drive the two first sliding blocks 15 to move in the first guide rail 13, and the scraper 11 and the cleaning roller 10 can be tightly attached to the hot-melt end face of the heating plate 7 through the first telescopic rod 8 on the first sliding block 15, so that the scraper 11 can scrape off the impurities on the hot-melt end face of the heating plate 7, and the cleaning roller 10 can wipe the hot-melt end face of the heating plate 7, thereby completing the cleaning of the hot-melt end face of the heating plate 7.

[0036] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A welding apparatus for welding a hybrid pallet, characterized by, The utility model provides a first tray piece (37) and second tray piece (38) welding device, including base (1) and support frame (2) set up on base (1), two placing table (3) are slidably arranged on base (1), two first clamp (4) for positioning and clamping first tray piece (37) are respectively arranged on two placing table (3), two second clamp (5) for positioning second tray piece (38) are respectively arranged on two placing table (3), negative pressure adsorption disc (6) for adsorbing second tray piece (38) is slidably arranged on support frame (2) vertically, heating plate (7) for making first tray piece (37) and second tray piece (38) weld is slidably arranged on support frame (2), two cleaning assemblies for cleaning hot melting end surface of heating plate (7) are arranged on support frame (2), and the driving assembly for synchronously driving two cleaning assemblies to move is arranged on support frame (2).

2. The welding apparatus for welding a mixed plastic pallet of claim 1, wherein: The cleaning assembly includes a first telescopic rod (8), a fixed frame (9), a cleaning roller (10), a scraper (11), and a first spring (12). The first telescopic rod (8) is slidably arranged on the support frame (2) with the telescopic end of the first telescopic rod (8) facing the hot melting end surface of the heating plate (7). The fixed frame (9) is fixedly arranged on the telescopic end of the first telescopic rod (8). The cleaning roller (10) is fixedly arranged on the fixed frame (9) and slidably abuts the hot melting end surface of the heating plate (7). The scraper (11) is rotatably arranged on the fixed frame (9) and slidably abuts the hot melting end surface of the heating plate (7). The first spring (12) is fixedly arranged at both ends of the fixed frame (9) and the scraper (11) and is used to push the scraper (11) to abut the hot melting end surface of the heating plate (7).

3. The welding apparatus for welding a mixed plastic pallet of claim 2, wherein: The support frame (2) is provided with two first guide rails (13) opposite in up and down direction. The first screw rod (14) is rotatably arranged in the first guide rail (13). The first sliding block (15) is screwed on the first screw rod (14). The first sliding block (15) is slidably arranged in the first guide rail (13). The first telescopic rod (8) is fixedly arranged on the first sliding block (15).

4. The welding apparatus for welding a mixed plastic pallet of claim 3, wherein: The driving assembly includes two chain wheels (16), a chain (17), and a first motor (18). The chain wheel (16) is fixedly arranged on the first screw rod (14). The chain (17) is sleeved on the outer circle of the chain wheel (16). The output end of the first motor (18) is fixedly arranged on the first screw rod (14).

5. The welding apparatus for welding a mixed plastic pallet of claim 1, wherein: The second screw rod (19) is rotatably arranged on the base (1). The second guide rod (20) is fixedly arranged on the base (1) and is parallel to the second screw rod (19). The second sliding block (21) is arranged on the bottom of the placing table (3). The second sliding block (21) is screwed on the second screw rod (19) and is slidably connected with the second guide rod (20). The second motor (22) is fixedly arranged on the base (1) and the output end of the second motor (22) is fixedly connected with the second screw rod (19).

6. The welding apparatus for welding a mixed plastic pallet of claim 5, wherein: Two second sliding blocks (21) are arranged on the first tray (37) and are used for vertically lifting the first tray (37).

7. The welding apparatus for welding a mixed plastic pallet of claim 6, wherein: The lifting assembly comprises a plurality of first guide rods (23), a sliding rail (24), a sliding block (25), two fixed blocks (26), two fixed shafts (39), two rollers (27) and a second telescopic rod (28), the first guide rods (23) are fixedly arranged at the bottom of the placing table (3) and slide through the second sliding block (21), the sliding rail (24) is fixedly arranged between the second sliding block (21) and the placing table (3), the sliding block (25) is slidingly arranged on the sliding rail (24), the two fixed blocks (26) are fixedly arranged at the bottom of the placing table (3), two inclined step surfaces (29) are arranged on the sliding block (25), the two fixed shafts (39) are fixedly arranged on the two fixed blocks (26), the two rollers (27) are rotatably arranged on the two fixed shafts (39) and are in rolling abutment with the two step surfaces (29), two guide grooves (40) with the same inclination as the step surfaces (29) are oppositely arranged on the sliding block (25), the two fixed shafts (39) slide through the two guide grooves (40), and the second telescopic rod (28) is fixedly arranged on the second sliding block (21) and is fixedly connected with the sliding block (25) at the telescopic end, and the axis of the telescopic direction of the telescopic end of the second telescopic rod (28) is parallel to the axis of the second screw rod (19).

8. The welding apparatus for welding a mixed plastic pallet of claim 1, wherein: The third telescopic rod (30) is fixedly arranged on the support frame (2) and the telescopic end of the third telescopic rod (30) faces the base (1), and the negative pressure adsorption disc (6) is fixedly arranged on the telescopic end of the third telescopic rod (30).

9. The welding apparatus for welding a mixed plastic pallet of claim 1, wherein: The third telescopic rod (30) is fixedly arranged on the support frame (2) and the telescopic end of the third telescopic rod (30) faces the base (1), and the negative pressure adsorption disc (6) is fixedly arranged on the telescopic end of the third telescopic rod (30). The third telescopic rod (30) is fixedly arranged on the support frame (2) and the telescopic end of the third telescopic rod (30) faces the base (1), and the negative pressure adsorption disc (6) is fixedly arranged on the telescopic end of the third telescopic rod (30).

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