Foam pasting device capable of preventing inclined pasting and synchronously reducing middle bubbles

Abstract

The invention relates to the technical field of foam pasting, and discloses a foam pasting device capable of preventing inclined pasting and synchronously reducing middle bubbles, the foam pasting device comprises a jig frame, a control unit is arranged on the outer wall of the jig frame, a sliding assembly is arranged on the inner wall of the jig frame, and a lifting clamping plate assembly is arranged on the outer wall of the sliding assembly; a lifting pressing rod is arranged on the inner wall of the jig frame, a tight attaching assembly is arranged on the inner wall of the jig frame, and when the lifting pressing plate descends in a fixing sleeve, a sliding rod can synchronously move in a guide groove, and then an inclined panel on a sliding block is driven to move; and finally, the inclined panel arranged in the shape of a Chinese character'ba 'can extrude the pressed arc strip, then the first flexible pressing plate can be better attached to the foam, finally, the attaching effect of the foam and the plate needing to be adhered is more tight, and when the inclined panel moves, bubbles in the foam and the plate needing to be adhered can be discharged through scraping.

Description

Technical Field

[0001] The invention relates to the technical field of foam pasting, in particular to a foam pasting device capable of preventing pasting from being skewed and simultaneously reducing bubbles in the middle. Background Art

[0002] Foam is a material made of foamed plastic particles, referred to as foam. Foam is divided into PU foam, anti-static foam, conductive foam, etc. Foam has a series of characteristics such as elasticity, light weight, fast pressure-sensitive fixation, easy use, easy bending, ultra-thin volume, and reliable performance.

[0003] According to a publicly disclosed device for precise pasting of adhesive-backed foam (Announcement No.: CN218227936U), in the above application, a filter element fixing device is used to fix the filter element and control the rotation of the filter element, a gluing device realizes automatic gluing of the foam gluing surface, and a positioning device corrects the foam so that the foam can be flush with the edge of the filter element after passing through the second groove, and the pasting position is accurate to avoid misalignment.

[0004] However, during actual use, although the above-mentioned device can correct the foam pasting, it is not fully pressed during pasting, which makes it easy for bubbles to accumulate at the foam pasting site after pasting, thereby generating bubbles and causing the overall pasting effect to be poor. In view of this, we propose a foam pasting device that can prevent the pasting from being skewed and simultaneously reduce the bubbles in the middle. Summary of the invention

[0005] The object of the present invention is to provide a foam pasting device which can prevent the pasting from being skewed and simultaneously reduce the number of bubbles in the middle, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a foam pasting device capable of preventing skewed pasting and simultaneously reducing bubbles in the middle, comprising a jig frame, a control unit is arranged on the outer wall of the jig frame, a sliding assembly is arranged on the inner wall of the jig frame, a lifting and lowering card assembly is arranged on the outer wall of the sliding assembly, a lifting and lowering pressure rod is arranged on the inner wall of the jig frame, a sticking assembly is arranged on the inner wall of the jig frame, an external suction head is detachably mounted on the outer wall of the sticking assembly, the sticking assembly comprises a fixing sleeve, the fixing sleeve is fixedly connected to the inner wall of the jig frame, an air delivery port is provided on the outer wall of the fixing sleeve, an output end of the lifting and lowering pressure rod passes through the fixing sleeve and is fixedly connected to a lifting and lowering pressure plate, an air vent is arranged on the outer wall of the lifting and lowering pressure plate, a guide groove is arranged on the inner wall of the fixing sleeve, and an installation groove is arranged on the inner wall of the lifting and lowering pressure plate; A sliding groove, wherein the sliding groove is arranged on the inner wall of the lifting and lowering pressure plate, a tough pressure plate 1 is detachably installed on the inner wall of the mounting groove, a pressure arc strip is fixedly connected to the outer wall of the tough pressure plate 1, a sliding block is slidably connected to the inner wall of the sliding groove, an inclined panel is fixedly connected to the outer wall of the sliding block, and a sliding rod is fixedly connected to the outer wall of the sliding block.

[0007] Preferably, the number of the mounting grooves and the sliding grooves is several, and the mounting grooves and the sliding grooves are arranged in a linear array on the outer wall of the lifting and pressing plate, so that the adhesive foam can be pressed in multiple places.

[0008] Preferably, the outer wall of the sliding rod is slidably connected to the inner wall of the guide groove, and the guide groove is configured to be wavy, so that the sliding rod can be smoothly displaced on the inner wall of the guide groove.

[0009] Preferably, the number of the inclined panels is several, and the inclined panels are arranged in an "eight" shape, so that the inclined panels can squeeze the compressed arc strips when displacing, thereby making the tough pressure plate fit the foam better, and finally making the adhesion effect between the foam and the mounting plate tighter.

[0010] Preferably, the inner wall of the lifting and lowering pressure plate is provided with a rolling assembly, and the rolling assembly includes a transmission groove, and the transmission groove is opened on the inner wall of the lifting and lowering pressure plate, and the inner wall of the transmission groove is detachably installed with a tough pressure plate 2, and the outer wall of the tough pressure plate 2 is fixedly connected with a pressure arc strip, the outer wall of the sliding block is fixedly connected with a cross plate, and the outer wall of the cross plate is fixedly connected with a push plate, the lower end of the push plate is fixedly connected with a mounting plate, the outer wall of the mounting plate is fixedly connected with a side pressure strip, the inner wall of the mounting plate is opened with a stabilizing groove, and the inner wall of the transmission groove is fixedly connected with a plug plate.

[0011] Preferably, the transmission groove is matched with the vent so that the transmission groove can be evenly dispersed around the vent.

[0012] Preferably, the outer wall of the plug plate is slidably connected to the inner wall of the stabilizing groove, and the plug plate is adapted to the stabilizing groove, thereby ensuring the stability of the mounting plate and the pushing plate when they are displaced.

[0013] Preferably, the outer wall of the push plate is provided with a scraping assembly, and the scraping assembly includes an active tooth, which is fixedly connected to the outer wall of the push plate, and the inner wall of the transmission groove is rotatably installed with a tooth column, the end of the tooth column is fixedly connected to a threaded rod, and the end of the threaded rod is fixedly connected to a rotating scraper, the outer wall of the threaded rod is threadedly connected to a threaded slider, the lower end of the threaded slider is fixedly connected to an extension plate, the outer wall of the extension plate is fixedly connected to an arc-shaped pressure block, and the inner wall of the transmission groove is fixedly connected to a limiting plate.

[0014] Preferably, the center line of the rotating scraper and the center line of the threaded rod are on the same straight line, so that the scraper can rotate synchronously when the threaded rod rotates, and the scraper can rotate and press the two edges of the tough pressure plate more finely, so that the foam can fit the mounting plate more closely.

[0015] Preferably, the active teeth are meshed with the tooth column, so that when the push plate is displaced, the active teeth can smoothly drive the tooth column to rotate.

[0016] Compared with the prior art, the present invention provides a foam pasting device that can prevent pasting from being skewed and simultaneously reduce the number of bubbles in the middle, and has the following beneficial effects: The cam is then moved back and forth to move the push rod, which is then moved back and forth to move the push rod, so that the push rod can move forward smoothly and smoothly, thereby releasing the pressure of the push rod and pushing the push rod back and forth, and finally releasing the pressure of the push rod, so that the push rod can move forward smoothly and smoothly, thereby releasing the pressure of the push rod and pushing the push rod back and forth, and finally releasing the pressure of the push rod, so that the push rod can move forward smoothly and smoothly, thereby releasing the pressure of the push rod and pushing the push rod back and forth, and finally releasing the pressure of the push rod, so that the push rod can move forward smoothly and smoothly, thereby releasing the pressure of the push rod and pushing the push rod back and forth, and finally releasing the pressure of the push rod, so that the push rod can move forward smoothly and smoothly, thereby releasing the pressure of the push rod and pushing the push rod back and forth, and finally releasing the pressure of the push rod, so that the push rod can move forward smoothly and smoothly, thereby releasing the pressure of the push rod and pushing the push rod back and forth, and finally releasing the pressure of the push rod, so that the push rod can move forward smoothly and smoothly, thereby releasing the pressure of the push rod and pushing the push rod back and forth, and finally releasing the pressure of the push rod, so that the push rod can move forward smoothly and smoothly, thereby releasing the pressure of the push rod and pushing the push rod back and forth, and finally releasing the pressure of the push rod, so that the push rod can move forward smoothly and smoothly, thereby releasing the pressure of the push rod and pushing the push rod back and forth, and finally releasing the pressure of the push rod, so that the push rod can move forward smoothly and smoothly, thereby releasing the pressure of the push rod and pushing the push rod back and forth, and finally releasing the pressure of the push rod, so that the push rod can move forward smoothly and smoothly, thereby releasing the pressure of the push rod and pushing the push rod back and forth, and finally releasing the pressure of the push rod, so that the push rod can move forward smoothly,

[0017] 2. The foam pasting device can prevent the sticker from being skewed and reduce the bubbles in the middle synchronously. When the sliding rod is displaced in the guide groove and the inclined panel on the sliding block is displaced, the push plate on the horizontal plate will be displaced synchronously, so that the side pressure strip under the mounting plate can periodically rub and press the arc strip. Through extrusion, the foam in the surrounding area of ​​the vent can further fit the plate to be pasted, and finally the foam can further fit the plate to be pasted, and the bubbles in the pasting area are further removed, so that the pasting effect is further improved.

[0018] 3. The foam pasting device can prevent the sticking from being skewed and reduce the bubbles in the middle synchronously. When the pushing plate on the horizontal plate is displaced, the active teeth will be displaced synchronously with the horizontal plate, so that the active teeth can smoothly drive the tooth column to rotate, so that the rotating scraper can rotate and press the second edge of the tough pressure plate more finely, so that the foam can better fit the plate to be pasted, and when the tooth column rotates, it will drive the threaded rod to rotate synchronously, so that the threaded slider guided by the limiting plate is displaced, and finally the arc-shaped pressure block on the extension plate can periodically touch the rotating scraper, and then the rotating scraper can better squeeze and touch the tough pressure plate and the foam through vibration, so that the foam can further fit the plate to be pasted, so that the overall practicality is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the external suction head and the lifting and lowering pressure rod of the present invention; Figure 3 This is a schematic diagram of the structure of the fixing sleeve of the present invention; Figure 4 It is a schematic diagram of the guide groove and vent structure of the present invention; Figure 5 This is a schematic diagram of the lifting and lowering plate and the mounting slot structure of the present invention; Figure 6 This is a schematic diagram of the structure of the sliding block and the inclined panel of the present invention; Figure 7 It is a schematic diagram of the structure of the compressed arc strip and the sliding rod of the present invention; Figure 8 It is a schematic diagram of the structure of the stabilizing groove and the plug board of the present invention; Fig. 9 It is a schematic diagram of the structure of the mounting plate and the side dynamic pressure strip of the present invention; Fig.10 It is a schematic diagram of the structure of the scraping and pressing assembly of the present invention.

[0020] In the figure: 1. fixture frame; 2. control unit; 3. sliding assembly; 4. lifting and lowering card assembly; 5. lifting and lowering pressure rod; 6. sticking assembly; 601. fixing sleeve; 602. gas delivery port; 603. lifting and lowering pressure plate; 604. vent; 605. guide groove; 606. mounting groove; 607. sliding groove; 608. toughness pressure plate 1; 609. pressure arc strip; 610. sliding block; 611. inclined panel; 612. sliding rod; 7. rolling assembly; 701, transmission groove; 702, tough pressure plate 2; 703, pressure arc strip; 704, horizontal plate; 705, push plate; 706, mounting plate; 707, side pressure strip; 708, stabilizing groove; 709, plug plate; 8, scraping and pressing assembly; 801, active tooth; 802, tooth column; 803, threaded rod; 804, rotating scraper; 805, threaded slider; 806, extension plate; 807, arc pressure block; 808, limiting plate; 9, external suction head. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] like Figure 1-Figure 10 As shown, the present invention provides a technical solution: a foam pasting device that can prevent skew and simultaneously reduce intermediate bubbles, including a jig frame 1, the outer wall of the jig frame 1 is provided with a control unit 2, the control unit 2 can control the whole, the inner wall of the jig frame 1 is provided with a sliding component 3, the sliding component 3 can perform the existing displacement operation, the outer wall of the sliding component 3 is provided with a lifting card assembly 4, the lifting card assembly 4 can perform the existing lifting operation, and the lifting card assembly 4 can be placed in the required sticky plate, the inner wall of the jig frame 1 is provided with a lifting pressure rod 5, the lifting pressure rod 5 can perform the existing downward pressing operation, so that the sticky bottom end of the foam can fit the required sticky plate. The inner wall of the jig frame 1 is provided with a sticking component 6, and the outer wall of the sticking component 6 is detachably installed with an external suction head 9, and the external suction head 9 can be externally connected to the fan pipeline, so that the upper side of the external suction head 9 can be adsorbed when the external suction head 9 is started. The sticking component 6 includes a fixing sleeve 601, and the fixing sleeve 601 is fixedly connected to the inner wall of the jig frame 1. The outer wall of the fixing sleeve 601 is provided with an air delivery port 602, and the output end of the lifting and lowering pressure rod 5 passes through the fixing sleeve 601 and is fixedly connected with a lifting and lowering pressure plate 603. The outer wall of the lifting and lowering pressure plate 603 is provided with a vent 604, the inner wall of the fixing sleeve 601 is provided with a guide groove 605, and the inner wall of the lifting and lowering pressure plate 603 is provided with a mounting groove 606.

[0023] Furthermore, the sliding groove 607 is opened on the inner wall of the lifting pressure plate 603, the inner wall of the mounting groove 606 is detachably mounted with a tough pressure plate 608, the outer wall of the tough pressure plate 608 is fixedly connected with a pressure arc strip 609, the inner wall of the sliding groove 607 is slidably connected with a sliding block 610, the outer wall of the sliding block 610 is fixedly connected with an inclined panel 611, and the outer wall of the sliding block 610 is fixedly connected with a sliding rod 612.

[0024] In addition, there are several mounting grooves 606 and sliding grooves 607, and several mounting grooves 606 and sliding grooves 607 are arranged in a linear array on the outer wall of the lifting and lowering plate 603, so that multiple pressing effects can be performed on the pasted foam. The outer wall of the sliding rod 612 is slidably connected to the inner wall of the guide groove 605, and the guide groove 605 is arranged in a wave shape, so that the sliding rod 612 can be smoothly displaced on the inner wall of the guide groove 605. There are several inclined panels 611, and several inclined panels 611 are arranged in an "eight" shape, so that the inclined panels 611 can squeeze the compressed arc strip 609 when displacing, so that the tough pressure plate 608 can fit the foam better, and finally the foam and the mounting plate 706 are more tightly adhered.

[0025] The inner wall of the lifting and pressing plate 603 is provided with a rolling assembly 7, and the rolling assembly 7 includes a transmission groove 701, and the transmission groove 701 is opened on the inner wall of the lifting and pressing plate 603. The inner wall of the transmission groove 701 is detachably installed with a tough pressure plate 2 702, and the outer wall of the tough pressure plate 2 702 is fixedly connected with a pressing arc strip 703, and the outer wall of the sliding block 610 is fixedly connected with a horizontal plate 704, and the outer wall of the horizontal plate 704 is fixedly connected with a push plate 705, and the lower end of the push plate 705 is fixedly connected with a mounting plate 706. The outer wall of the mounting plate 706 is fixedly connected with a side pressure strip 707, the inner wall of the mounting plate 706 is provided with a stabilizing groove 708, the inner wall of the transmission groove 701 is fixedly connected with a plug plate 709, the transmission groove 701 is matched with the vent 604, so that the transmission groove 701 can be evenly dispersed around the vent 604, the outer wall of the plug plate 709 is slidably connected to the inner wall of the stabilizing groove 708, and the plug plate 709 is matched with the stabilizing groove 708, thereby ensuring the stability of the mounting plate 706 and the push plate 705 during displacement.

[0026] In the embodiment of the present invention, the outer wall of the push plate 705 is provided with a scraping assembly 8, and the scraping assembly 8 includes an active tooth 801, and the active tooth 801 is fixedly connected to the outer wall of the push plate 705. The inner wall of the transmission groove 701 is rotatably installed with a tooth column 802, and the end of the tooth column 802 is fixedly connected to a threaded rod 803, and the end of the threaded rod 803 is fixedly connected to a rotating scraper 804, and the outer wall of the threaded rod 803 is threadedly connected to a threaded slider 805, and the lower end of the threaded slider 805 is fixedly connected to an extension plate 806, and the outer wall of the extension plate 806 is fixedly connected to The arc-shaped pressure block 807 and the inner wall of the transmission groove 701 are fixedly connected with a limiting plate 808. The center line of the rotating scraper 804 and the center line of the threaded rod 803 are on the same straight line, so that the scraper can rotate synchronously when the threaded rod 803 rotates, and then the scraper can rotate and press the edge of the tough pressure plate 702 more finely, so that the foam can fit the mounting plate 706 more closely, and the active tooth 801 is meshed with the tooth column 802, so that when the push plate 705 is displaced, the active tooth 801 can smoothly drive the tooth column 802 to rotate.

[0027] In the present invention, when used daily, first start the sliding assembly 3 to move the lifting card assembly 4 forward, put the plate to be pasted with foam into the lifting card assembly 4, and then place the foam to be pasted under the lifting pressure plate 603, and start the externally connected external suction head 9 so that the foam can be stably adsorbed and then the anti-adhesive film at the bottom of the foam is torn off, and then the lifting card assembly 4 is reset by the sliding assembly 3, and the lifting card assembly 4 is started and lifted, and then the lifting pressure rod 5 is started, so that the lifting pressure plate 603 can be smoothly driven to press the lifting pressure plate 603 on the foam, and at this time Close the external suction head 9, and when the lifting and lowering pressure plate 603 is moved downward in the fixed sleeve 601, the sliding rod 612 will be simultaneously moved in the guide groove 605, thereby driving the inclined panel 611 on the sliding block 610 to move, and finally the inclined panel 611 arranged in an "eight" shape can squeeze the compressed arc strip 609, so that the tough pressure plate 608 can fit the foam better, and finally the foam and the plate to be bonded are more closely fitted, and when the inclined panel 611 is displaced, the bubbles in the foam and the plate to be bonded will be discharged by scraping.

[0028] Among them, when the sliding rod 612 is displaced in the guide groove 605 and thus drives the inclined plate 611 on the sliding block 610 to be displaced, the pushing plate 705 on the horizontal plate 704 will be displaced synchronously, so that the side pressure strip 707 under the mounting plate 706 can periodically rub and press the arc strip 703, and the foam in the surrounding area of ​​the vent 604 can be further fitted to the plate to be bonded through extrusion, and finally the foam can be further fitted to the plate to be bonded, and the bubbles in the bonding area can be further removed, so that the bonding effect is further improved.

[0029] Furthermore, when the pushing plate 705 on the horizontal plate 704 is displaced, the active tooth 801 will be displaced synchronously with the horizontal plate 704, so that the active tooth 801 can smoothly drive the tooth column 802 to rotate, so that the rotating scraper 804 can rotate and press the edge of the tough pressure plate 2 702 more finely, so that the foam can better fit the plate to be bonded, and when the tooth column 802 rotates, it will drive the threaded rod 803 to rotate synchronously, so that the threaded slider 805 guided by the limiting plate 808 is displaced, and finally the arc-shaped pressure block 807 on the extension plate 806 can periodically touch the rotating scraper 804, and then through vibration, the rotating scraper 804 can better squeeze and touch the tough pressure plate 2 702 and the foam, so that the foam can further fit the plate to be bonded, so that the overall practicality is further improved.

[0030] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A foam pasting device capable of preventing skewed pasting and simultaneously reducing intermediate bubbles, comprising a jig frame (1), the outer wall of the jig frame (1) being provided with a control unit (2), the inner wall of the jig frame (1) being provided with a sliding assembly (3), the outer wall of the sliding assembly (3) being provided with a lifting card assembly (4), and the inner wall of the jig frame (1) being provided with a lifting pressure rod (5), characterized in that: The inner wall of the fixture frame (1) is provided with a sticking component (6), and the outer wall of the sticking component (6) is detachably mounted with an external suction head (9), and the sticking component (6) comprises: A fixing sleeve (601), the fixing sleeve (601) is fixedly connected to the inner wall of the fixture frame (1), the outer wall of the fixing sleeve (601) is provided with a gas delivery port (602), the output end of the lifting and compressing rod (5) passes through the fixing sleeve (601) and is fixedly connected to a lifting and compressing plate (603), the outer wall of the lifting and compressing plate (603) is provided with a vent (604), the inner wall of the fixing sleeve (601) is provided with a guide groove (605), and the inner wall of the lifting and compressing plate (603) is provided with a mounting groove (606); A sliding groove (607), wherein the sliding groove (607) is provided on the inner wall of the lifting and lowering pressure plate (603), the inner wall of the mounting groove (606) is detachably mounted with a tough pressure plate (608), the outer wall of the tough pressure plate (608) is fixedly connected with a pressure arc strip (609), the inner wall of the sliding groove (607) is slidably connected with a sliding block (610), the outer wall of the sliding block (610) is fixedly connected with an inclined panel (611), and the outer wall of the sliding block (610) is fixedly connected with a sliding rod (612).

2. A foam pasting device capable of preventing pasting from being skewed and simultaneously reducing bubbles in the middle according to claim 1, characterized in that: The number of the mounting grooves (606) and the sliding grooves (607) is several, and the mounting grooves (606) and the sliding grooves (607) are arranged in a linear array on the outer wall of the lifting and pressing plate (603).

3. A foam pasting device capable of preventing pasting from being skewed and simultaneously reducing bubbles in the middle according to claim 1, characterized in that: The outer wall of the sliding rod (612) is slidably connected to the inner wall of the guide groove (605), and the guide groove (605) is configured to be wavy.

4. A foam pasting device capable of preventing pasting from being skewed and simultaneously reducing bubbles in the middle according to claim 1, characterized in that: The inclined panels (611) are provided in a plurality, and the plurality of inclined panels (611) are arranged in an "eight" shape.

5. A foam pasting device capable of preventing pasting from being skewed and simultaneously reducing bubbles in the middle according to claim 1, characterized in that: The inner wall of the lifting and pressing plate (603) is provided with a rolling assembly (7), and the rolling assembly (7) includes a transmission groove (701), and the transmission groove (701) is opened on the inner wall of the lifting and pressing plate (603); the inner wall of the transmission groove (701) is detachably mounted with a second toughness pressing plate (702); the outer wall of the second toughness pressing plate (702) is fixedly connected with a pressure arc strip (703); the outer wall of the sliding block (610) is fixedly connected with a transverse plate (704); the outer wall of the transverse plate (704) is fixedly connected with a push plate (705); the lower end of the push plate (705) is fixedly connected with a mounting plate (706); the outer wall of the mounting plate (706) is fixedly connected with a side pressure strip (707); the inner wall of the mounting plate (706) is opened with a stabilizing groove (708); and the inner wall of the transmission groove (701) is fixedly connected with a plug plate (709).

6. A foam pasting device capable of preventing pasting from being skewed and simultaneously reducing bubbles in the middle according to claim 5, characterized in that: The transmission groove (701) is matched with the vent (604).

7. A foam pasting device capable of preventing pasting from being skewed and simultaneously reducing bubbles in the middle according to claim 5, characterized in that: The outer wall of the inserting plate (709) is slidably connected to the inner wall of the stabilizing groove (708), and the inserting plate (709) is adapted to the stabilizing groove (708).

8. A foam pasting device capable of preventing pasting from being skewed and simultaneously reducing bubbles in the middle according to claim 5, characterized in that: The outer wall of the push plate (705) is provided with a scraping assembly (8), the scraping assembly (8) comprising an active tooth (801), the active tooth (801) being fixedly connected to the outer wall of the push plate (705), a tooth column (802) being rotatably mounted on the inner wall of the transmission groove (701), the end of the tooth column (802) being fixedly connected to a threaded rod (803), the end of the threaded rod (803) being fixedly connected to a rotating scraper (804), the outer wall of the threaded rod (803) being threadedly connected to a threaded slider (805), the lower end of the threaded slider (805) being fixedly connected to an extension plate (806), the outer wall of the extension plate (806) being fixedly connected to an arc-shaped pressing block (807), and the inner wall of the transmission groove (701) being fixedly connected to a limiting plate (808).

9. A foam pasting device capable of preventing pasting from being skewed and simultaneously reducing bubbles in the middle according to claim 8, characterized in that: The center line of the rotating scraper (804) and the center line of the threaded rod (803) are both on the same straight line.

10. A foam pasting device capable of preventing pasting from being skewed and simultaneously reducing bubbles in the middle according to claim 8, characterized in that: The active tooth (801) is meshed with the tooth column (802).

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