Carton joint automatic press-fit device

Abstract

The invention relates to the technical field of paperboard pressing, in particular to an automatic carton seam pressing device which comprises a rack, and the rack is provided with a conveying belt used for conveying paperboards; briquetting; the device comprises a mounting shell, supporting blocks distributed in a linear array are arranged on the mounting shell, V-shaped grooves used for manufacturing a paperboard middle layer are formed in the supporting blocks, movable strips located at the bottoms of the V-shaped grooves are arranged on the supporting blocks, and channels allowing glue to pass through are formed in the movable strips. The pressing block and the mounting shell are close to each other so that the two paperboards can be spliced and pressed together, glue penetrates through the movable strip to infiltrate the bottom of the middle layer of the paperboard, and the mounting shell moves downwards so that the movable strip moves upwards relative to the supporting block so that the bottom of the middle layer of the paperboard can be squeezed. According to the automatic press-fit device for the carton joint, the two paperboards are connected together in a crossed mode, it is guaranteed that the two paperboards are connected reliably, the middle layer does not deform, and collision borne by the paperboards can be better buffered.

Description

Technical Field

[0001] The invention relates to the technical field of cardboard lamination, in particular to an automatic carton seam lamination device. Background Art

[0002] Cardboard is a commonly used packaging material, among which the most commonly used is corrugated cardboard boxes. Corrugated paper consists of two surface layers and a middle layer between the surface layers. Corrugated cardboard has the advantages of good processability, low cost, light weight, and shock resistance.

[0003] According to the publication (announcement) number CN107839272A, the publication (announcement) date is 2018.03.27, and the disclosed carton seam pressing device includes: a workbench, a bracket arranged above the workbench and fixed to the workbench, a cylinder arranged on the bracket, a solenoid valve connected to the cylinder, and a pressing plate connected to the end of the cylinder, wherein the moving axis of the cylinder is perpendicular to the working surface of the workbench, and the pressing plate maintains a preset distance from the working surface when it reaches the end of the stroke. The device creatively proposes an improved carton seam pressing device; after using air pressure, the efficiency is greatly improved, and the pressing plate is made of wood, which is not easy to deform; it provides double-station work to improve work efficiency.

[0004] In the prior art including the above-mentioned patent, corrugated cardboard is limited by the production equipment during the production process and is produced in long strips. When using cardboard to package large equipment, the cardboard is generally connected together using connecting nails. However, when installing the connecting nails, the nail gun will flatten the middle layer of the cardboard, resulting in a significant decrease in the anti-collision ability of the middle layer of the corrugated cardboard. The connecting nail part is more likely to damage the equipment inside the package when it is hit. Summary of the invention

[0005] The purpose of the present invention is to provide a carton seam automatic pressing device to solve the above problems.

[0006] In order to achieve the above-mentioned object, the present invention provides a carton seam automatic pressing device, comprising a frame, on which are provided:

[0007] A conveyor belt, which is used to convey cardboard;

[0008] Briquetting;

[0009] The mounting shell is provided with support blocks distributed in a linear array, the support blocks are provided with V-shaped grooves for forming the middle layer of the paperboard, the support blocks are provided with movable bars located at the bottom of the V-shaped grooves, and the movable bars are provided with channels for glue to pass through, wherein:

[0010] The pressing block and the mounting shell are brought close to each other to splice and press the two paperboards together, and the glue penetrates the movable strip to soak the bottom of the middle layer of the paperboard. The mounting shell moves downward to make the movable strip move upward relative to the supporting block to squeeze the bottom of the middle layer of the paperboard.

[0011] Preferably, the movable bar is symmetrically provided with connecting pieces which are closely attached to the inner wall of the V-shaped groove and are used to limit the glue, and the connecting pieces move along the V-shaped groove to move the movable bar.

[0012] Preferably, a support bar is provided on the frame, and a push rod for pushing the connecting piece to move is movably provided on the support block, and the push rod is against the support bar.

[0013] Preferably, the push rod is provided with an arc-shaped spring leaf extending onto the support bar, and two side edges of the spring leaf abut against the top of the support bar.

[0014] Preferably, a transmission disk for driving the mounting shell to move is rotatably provided on the frame, and the pressing block moves downward to rotate the transmission disk.

[0015] Preferably, the frame is provided with a storage cavity for storing cardboards, a movable plate is provided inside the storage cavity, and the transmission disc completes a cycle to move the movable plate to a predetermined height.

[0016] Preferably, a guide plate for driving the movable plate to move is movably provided on the frame, and a plurality of horizontal grooves and an inclined groove connecting two adjacent horizontal grooves are provided on the guide plate.

[0017] Preferably, a first cable is provided between the guide plate and the mounting shell, and the mounting shell moves to cause the guide plate to reciprocate and drive the movable plate to move.

[0018] Preferably, a push plate is provided on the frame, and the pressing block moves upward so that the push plate pushes the uppermost cardboard in the storage cavity to move above the mounting shell.

[0019] Preferably, a limit plate is provided inside the frame for sliding to limit the storage cavity and the working area of ​​the conveyor belt, and both the limit plate and the frame are provided with limit strips for pressing the cardboard.

[0020] In the above technical scheme, the present invention provides an automatic carton seam pressing device, which has the following beneficial effects: when performing the pressing work, the connected cardboards are first processed, a part of the surface layer of the first cardboard is removed to leave only the middle layer, a part of the middle layer of the second cardboard is removed, and glue is applied to the inside of the upper layer of the cardboard, and the lower layer is rubbed to soften it, and the protruding middle layer on the first cardboard is placed on the support block, and the second cardboard is placed on the conveyor belt, the conveyor belt drives the second cardboard to move, and the protruding surface layer on the second cardboard gradually extends to the outside of the conveyor belt. The lower layer of the second cardboard sags under the action of gravity, and the upper layer moves to above the protruding middle layer on the first cardboard, the pressing block moves downward, the mounting shell moves upward, the support block lifts the middle layer on the first cardboard, and the pressing block is equipped with The support block squeezes the connection of the two paperboards, and the upper layer of the second paperboard is pressed onto the middle layer on the first paperboard. At the same time, the glue in the installation shell moves through the movable bar to the V-shaped groove on the support block, and soaks the bottom of the middle layer of the first paperboard. Then the pressing block moves upward, and the installation shell moves downward with the support block, and the movable bar moves upward to squeeze the bottom of the middle layer, so that the bottom of the middle layer is deformed, thereby increasing the contact area between the middle layer and the lower layer of the second paperboard. Then the conveyor belt moves in the opposite direction, driving the second paperboard and the first paperboard to move, and the lower layer is pushed by the conveyor belt and adheres to the bottom of the middle layer of the first paperboard, thereby connecting the two paperboards together; the two paperboards are cross-connected together, which ensures the reliable connection of the two paperboards, and the middle layer is not deformed, which can better buffer the collision of the paperboards. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0022] Figure 1 A schematic diagram of the overall structure provided for an embodiment of the present invention;

[0023] Figure 2 A schematic diagram of the structure of a limit plate provided in an embodiment of the present invention;

[0024] Figure 3 A schematic diagram of the structure of a storage cavity provided by an embodiment of the present invention;

[0025] Figure 4 A schematic diagram of the internal structure provided by an embodiment of the present invention;

[0026] Figure 5 A schematic diagram of the structure of a push plate provided in an embodiment of the present invention;

[0027] Figure 6 A schematic diagram of the structure of a mounting shell provided by an embodiment of the present invention;

[0028] Figure 7 A schematic diagram of the internal structure of a mounting shell provided by an embodiment of the present invention;

[0029] Figure 8 A schematic diagram of the internal structure of a support block provided in an embodiment of the present invention;

[0030] Fig. 9 A schematic diagram of the structure of a transmission disc provided in an embodiment of the present invention;

[0031] Fig.10 A schematic diagram of a portion of the structure of a guide plate provided in an embodiment of the present invention;

[0032] Fig.11 A schematic diagram of the structure of a reed provided in an embodiment of the present invention;

[0033] Fig.12 A schematic diagram of the structure of a first piece of paperboard provided in an embodiment of the present invention;

[0034] Fig.13 This is a schematic structural diagram of a second piece of paperboard provided in an embodiment of the present invention.

[0035] Description of reference numerals:

[0036] 1. Frame; 11. Pressing block; 111. Transmission plate; 112. First guide groove; 113. Second guide groove; 114. First tenon block; 115. Second tenon block; 116. Push rod; 117. Active rod; 118. First cable; 12. Mounting shell; 121. Support block; 122. Active strip; 123. Connecting piece; 124. Push rod; 125. Storage chamber; 126. Pressing plate; 127. Mounting rod; 128. Support strip; 129. Spring leaf; 13. Storage chamber; 131. Push plate; 132. Active plate; 133. Active sheet; 135. Limiting plate; 136. Limiting strip; 137. Second cable; 138. Active block; 14. Conveyor belt; 141. Guide plate; 142. Horizontal groove; 143. Inclined groove; 144. Third tenon block; 145. Vertical groove. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0038] like Figure 1-13 As shown, a carton seam automatic pressing device includes a frame 1, on which are provided:

[0039] A conveyor belt 14, which is used to convey cardboard;

[0040] Briquetting 11;

[0041] The mounting shell 12 is provided with support blocks 121 distributed in a linear array, the support blocks 121 are provided with a V-shaped groove for forming a middle layer of the paperboard, the support blocks 121 are provided with a movable bar 122 located at the bottom of the V-shaped groove, and the movable bar 122 is provided with a channel for glue to pass through, wherein:

[0042] The pressing block 11 and the mounting shell 12 are brought close to splice and press the two paperboards, and the glue passes through the movable strip 122 to infiltrate the bottom of the middle layer of the paperboard. The mounting shell 12 moves downward to make the movable strip 122 move upward relative to the supporting block 121 to squeeze the bottom of the middle layer of the paperboard.

[0043] Specifically, a storage cavity 125 for storing glue is disposed inside the mounting shell 12 , an eight-shaped pressing piece 126 is disposed at the bottom of the supporting block 121 , and an electric telescopic rod is disposed between the pressing block 11 and the frame 1 .

[0044] In the above technical scheme, when the lamination work is performed, the connected cardboards are first processed, a part of the surface layer of the first cardboard is removed to leave only the middle layer, a part of the middle layer of the second cardboard is removed, and glue is applied to the inside of the upper layer of the cardboard, and the lower layer is rubbed to soften it, and the protruding middle layer on the first cardboard is placed on the support block 121, and the second cardboard is placed on the conveyor belt 14, and the conveyor belt 14 drives the second cardboard to move, and the protruding surface layer on the second cardboard gradually extends to the outside of the conveyor belt 14, and the lower layer of the second cardboard sags under the action of gravity, and the upper layer moves to above the protruding middle layer on the first cardboard, the pressing block 11 moves downward, the mounting shell 12 moves upward, the support block 121 lifts the middle layer on the first cardboard, and the pressing block 11 cooperates with the support block 121 to squeeze the connection between the two cardboards. The upper layer of the second cardboard is pressed onto the middle layer of the first cardboard, and at the same time, the glue in the mounting shell 12 moves through the movable bar 122 to the V-shaped groove on the support block 121 to wet the bottom of the middle layer of the first cardboard. Then the pressing block 11 moves upward, the mounting shell 12 moves downward with the support block 121, and the movable bar 122 moves upward to squeeze the bottom of the middle layer, so that the bottom of the middle layer is deformed, thereby increasing the contact area between the middle layer and the lower layer of the second cardboard. Then the conveyor belt 14 moves in the opposite direction, driving the second cardboard and the first cardboard to move, and the lower layer is pushed by the conveyor belt 14 and adheres to the bottom of the middle layer of the first cardboard, thereby connecting the two cardboards together; the two cardboards are cross-connected together, which ensures the reliable connection of the two cardboards, and the middle layer is not deformed, which can better buffer the collision of the cardboard.

[0045] As a further embodiment of the present invention, the movable bar 122 is symmetrically provided with connecting pieces 123 that are closely attached to the inner wall of the V-shaped groove and are used to limit the glue. The connecting pieces 123 move along the V-shaped groove to move the movable bar 122 .

[0046] Specifically, a spring is provided between the movable bar 122 and the supporting block 121 .

[0047] Furthermore, when the support block 121 moves downward, the connecting piece 123 moves upward along the inner wall of the V-shaped groove, and the connecting piece 123 pulls the movable bar 122 to move upward, thereby pushing the movable bar 122 to squeeze the bottom of the middle layer of the cardboard, causing the bottom of the middle layer of the cardboard to deform.

[0048] As another embodiment further provided by the present invention, a support bar 128 is provided on the frame 1 , and a push rod 124 for pushing the connecting piece 123 to move is movably provided on the support block 121 , and the push rod 124 abuts against the support bar 128 .

[0049] Specifically, a mounting rod 127 is provided on the frame 1, and the mounting shell 12 is slidably installed on the mounting rod 127. The mounting rod 127 is provided with a support bar 128 extending to the inside of the mounting shell 12, and a sliding groove for guiding the movement of the connecting piece 123 is opened on the inner wall of the V-shaped groove.

[0050] Furthermore, during the downward movement of the mounting shell 12, the support bar 128 pushes the push rod 124, so that one side of the connecting piece 123 maintains a fixed height, and the side of the connecting piece 123 moves along the slide groove on the inner wall of the V-shaped groove, and the side distance between the two connecting pieces 123 increases, pushing the movable bar 122 to move upward, and the movable bar 122 squeezes the bottom of the middle layer, causing the bottom of the middle layer to deform.

[0051] As another embodiment further provided by the present invention, an arc-shaped spring leaf 129 extending to the support bar 128 is provided on the push rod 124 , and two side edges of the spring leaf 129 abut against the top of the support bar 128 .

[0052] Specifically, when the push rod 124 wants to move downward, the reed 129 can provide a greater supporting force to the push rod 124 , and when the push rod 124 wants to move upward, the reed 129 can be deformed more easily, so that the reed 129 can move back to above the support bar 128 .

[0053] As another embodiment further provided by the present invention, a transmission disk 111 for driving the installation shell 12 to move is rotatably provided on the frame 1, and the pressing block 11 moves downward to rotate the transmission disk 111.

[0054] Specifically, the transmission disk 111 is provided with a second guide groove 113 and an inclined first guide groove 112, the pressure block 11 is provided with a first tenon block 114 extending into the first guide groove 112, the mounting shell 12 is provided with a second tenon block 115 extending into the second guide groove 113, and the second guide groove 113 includes a ring portion and an inclined portion coaxial with the transmission disk 111.

[0055] Furthermore, during the downward movement of the pressing block 11, the first tenon 114 moves along the first guide groove 112 and pushes the transmission plate 111 to rotate, the second guide groove 113 on the transmission plate 111 pushes the second tenon 115 to move, the second tenon 115 moves along the inclined portion of the second guide groove 113 and drives the mounting shell 12 to move upward, and when the second tenon 115 enters the ring portion, the support block 121 on the mounting shell 12 supports the middle layer of the first paperboard to cooperate with the pressing block 11 to work.

[0056] As another embodiment further provided by the present invention, a storage cavity 13 for storing cardboards is provided on the frame 1, a movable plate 132 is provided inside the storage cavity 13, and the transmission disc 111 completes a cycle to move the movable plate 132 to a predetermined height.

[0057] Specifically, a plurality of first cardboards are stored in the storage cavity 13, and the movable plate 132 is used to support the cardboards in the storage cavity 13. The movable plate 132 is provided with a protrusion, and the frame 1 is provided with a slide groove adapted to the protrusion. The cooperation between the protrusion and the slide groove keeps the movable plate 132 in a horizontal state.

[0058] Furthermore, when the transmission disc 111 completes a cycle, a piece of cardboard in the storage cavity 13 also completes the crimping work. At this time, the movable plate 132 moves upward by a distance of the thickness of a cardboard, so that the next piece of cardboard in the storage cavity 13 can participate in the crimping work.

[0059] As another embodiment further provided by the present invention, a guide plate 141 for driving the movable plate 132 to move is movably provided on the frame 1 , and a plurality of horizontal grooves 142 and an inclined groove 143 connecting two adjacent horizontal grooves 142 are provided on the guide plate 141 .

[0060] Specifically, movable plates 133 are provided at the connection points of the horizontal groove 142 and the inclined groove 143, a vertical groove 145 is opened on the guide groove, the vertical groove 145 is connected to the uppermost inclined groove 143 and the lowermost horizontal groove 142, a third tenon block 144 extending into the guide plate 141 is provided on the movable plate 132, and a torsion spring is provided between the movable plate 133 and the guide plate 141.

[0061] Furthermore, during the forward movement of the guide plate 141, the inclined groove on the guide plate 141 pushes the third tenon block 144 to drive the movable plate 132 to move upward, and the movable plate 132 pushes the movable sheet 133 to gradually enter the horizontal groove 142. After the third tenon block 144 enters the horizontal groove 142, the movable sheet 133 seals the inclined groove 143 under the action of the torsion spring. Then the guide plate 141 moves in the opposite direction, and the third tenon block 144 moves along the horizontal groove 142 and gradually pushes another movable sheet 133 until the third tenon block 144 moves to the connection between the horizontal groove 142 and the inclined groove 143, and the movable sheet 133 seals the horizontal groove 142 again under the action of the torsion spring.

[0062] As another embodiment further provided by the present invention, a first cable 118 is provided between the guide plate 141 and the mounting shell 12 , and the mounting shell 12 moves to make the guide plate 141 move back and forth, and drives the movable plate 132 to move.

[0063] Specifically, a spring is provided between the guide plate 141 and the frame 1 .

[0064] Furthermore, when the mounting shell 12 moves downward, the mounting shell 12 drives the guide plate 141 to move forward through the first cable 118, thereby driving the movable plate 132 to move upward. Then, the mounting shell 12 moves upward, the first cable 118 is relaxed, and the guide plate 141 moves in the opposite direction under the action of the spring.

[0065] As another embodiment further provided by the present invention, a push plate 131 is provided on the frame 1 , and the pressing block 11 moves upward so that the push plate 131 pushes the topmost cardboard in the storage cavity 13 to move to above the mounting shell 12 .

[0066] Specifically, a movable rod 117 is slidably arranged in the frame 1, a movable block 138 is hinged on the top of the movable rod 117, a torsion spring is arranged between the movable block 138 and the movable rod 117, a lever 116 for pushing the movable block 138 to move is arranged on the transmission disk 111, a spring is arranged between the push plate 131 and the frame 1, and a second cable 137 is arranged between the movable rod 117 and the push plate 131.

[0067] Furthermore, in the process of the pressing block 11 moving upward, the transmission disk 111 is driven to rotate, and the lever 116 on the transmission disk 111 pushes the movable block 138 to drive the movable rod 117 to move. The movable rod 117 drives the push plate 131 to retract into the frame 1 through the second cable 137. The spring between the push plate 131 and the frame 1 is compressed, the transmission disk 111 continues to rotate, the lever 116 and the movable block 138 are staggered, and the spring releases elastic potential energy to drive the push plate 131 to move, and the push plate 131 pushes the top cardboard in the storage cavity 125 to above the support block 121.

[0068] As another embodiment further provided by the present invention, the frame 1 is internally slidably provided with a limit plate 135 for limiting the storage cavity 13 and the working area of ​​the conveyor belt 14, and the limit plate 135 and the frame 1 are both provided with a limit strip 136 for pressing the cardboard.

[0069] Specifically, before the lamination work is performed, the connected cardboards are processed first, a part of the surface layer of the first cardboard is removed to leave only the middle layer, multiple first cardboards are placed in the storage cavity 13, a part of the middle layer of the second cardboard is removed, and glue is applied to the inside of the upper layer of the cardboard, and the lower layer is rubbed to soften it, and the protruding middle layer on the first cardboard is placed on the support block 121, and the second cardboard is placed on the conveyor belt 14, and the conveyor belt 14 drives the second cardboard to move, and the protruding surface layer on the second cardboard gradually extends to the outside of the conveyor belt 14, and the lower layer of the second cardboard sags under the action of gravity, and the upper layer moves to the top of the protruding middle layer on the first cardboard, and the middle layers of the two cardboards are pressed against each other.

[0070] The electric telescopic rod drives the pressing block 11 to move downward, the first tenon block 114 moves along the first guide groove 112 and drives the transmission plate 111 to rotate, the second guide groove 113 on the transmission plate 111 drives the second tenon block 115 to move, the second tenon block 115 moves along the inclined portion of the second guide groove 113 and drives the mounting shell 12 to move upward, when the second tenon block 115 enters the ring portion, the support block 121 on the mounting shell 12 supports the middle layer of the first paperboard, and the support block 121 moves to the support strip with the spring 129 128, the first cable 118 is relaxed, the guide plate 141 moves in the opposite direction under the action of the spring, the third tenon block 144 moves along the horizontal groove 142, and gradually pushes another movable piece 133, until the third tenon block 144 moves to the connection between the horizontal groove 142 and the inclined groove 143, the movable piece 133 seals the horizontal groove 142 again under the action of the torsion spring, and the lever 116 pushes the movable block 138 to rotate relative to the movable rod 117, so that the lever 116 moves to the right side of the movable block 138 (such as Figure 4 shown).

[0071] The pressing block 11 continues to move downward, and the support block 121 lifts the middle layer on the first piece of paperboard. The pressing block 11 cooperates with the support block 121 to squeeze the connection between the two pieces of paperboard, and the upper layer of the second piece of paperboard is pressed onto the middle layer on the first piece of paperboard. At the same time, part of the support block 121 on the mounting shell 12 is pressed and moves downward a short distance. The eight-shaped pressing piece 126 at the bottom of the support block 121 squeezes the glue in the storage cavity 125, so that the glue moves through the through hole on the connecting strip to the V-shaped groove on the support block 121, and infiltrates the bottom of the middle layer of the first piece of paperboard.

[0072] Then the pressing block 11 moves upward, driving the transmission plate 111 to rotate in the opposite direction, and the mounting shell 12 also moves downward with the supporting block 121. The mounting shell 12 drives the guide plate 141 to move forward through the first cable 118. The inclined groove on the guide plate 141 drives the third tenon block 144 to drive the movable plate 132 to move upward. The movable plate 132 drives the movable sheet 133 to gradually enter the horizontal groove 142. After the third tenon block 144 enters the horizontal groove 142, the movable sheet 133 seals the inclined groove 143 under the action of the torsion spring, and the movable plate 132 drives the paperboard to move upward. The support bar 128 pushes the push rod 124, so that one side of the connecting piece 123 maintains a fixed height, and the side of the connecting piece 123 moves along the slide groove on the inner wall of the V-shaped groove, and the side distance between the two connecting pieces 123 increases, pushing the movable bar 122 to move upward, and the movable bar 122 squeezes the bottom of the middle layer, causing the bottom of the middle layer to deform, and the mounting shell 12 continues to move downward, and the spring leaf 129 is deformed and staggered with the support bar 128, and the support block 121 is reset relative to the mounting shell 12, and the movable bar 122 is reset relative to the support block 121, and the lever 116 is pushed.

[0073] The conveyor belt 14 outputs a reverse torque to drive the cardboard to move in the reverse direction, and the limit strip 136 limits and presses the cardboard. The lower layer of the second cardboard is pushed by the conveyor belt 14 and adheres to the bottom of the middle layer of the first cardboard, thereby connecting the two cardboards together; the two cardboards are cross-connected together, which ensures that the two cardboards are connected reliably, and the middle layer has no deformation, which can better cushion the collision of the cardboard.

[0074] The transmission disk 111 continues to rotate, the lever 116 on the transmission disk 111 pushes the movable block 138 to drive the movable rod 117 to move, and the movable rod 117 drives the push plate 131 to retract into the frame 1 through the second cable 137, and the spring between the push plate 131 and the frame 1 is compressed, the transmission disk 111 continues to rotate, the lever 116 and the movable block 138 are staggered, and the spring releases elastic potential energy to drive the push plate 131 to move, and the push plate 131 pushes the top cardboard in the storage cavity 125 to the top of the support block 121, waiting for the next work.

[0075] When all the cardboards in the storage cavity 125 are used up, the third tongue 144 moves along the vertical groove 145 to the lowest position of the guide plate 141 , so that the movable plate 132 moves to the lowest position of the storage cavity 125 .

[0076] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A carton seam automatic pressing device, characterized in that: The invention comprises a frame (1), on which is arranged: A conveyor belt (14) for conveying cardboard; Briquetting (11); The mounting shell (12) is provided with support blocks (121) distributed in a linear array, the support blocks (121) are provided with V-shaped grooves for forming a middle layer of a paperboard, the support blocks (121) are provided with movable bars (122) located at the bottom of the V-shaped grooves, and the movable bars (122) are provided with channels for glue to pass through, wherein: The pressing block (11) and the mounting shell (12) are brought close together to splice and press the two paperboards together, and the glue passes through the movable strip (122) to soak the bottom of the middle layer of the paperboard. The mounting shell (12) moves downward to make the movable strip (122) move upward relative to the supporting block (121) to squeeze the bottom of the middle layer of the paperboard.

2. The automatic carton seam pressing device according to claim 1, characterized in that: The movable bar (122) is symmetrically provided with a connecting piece (123) which is closely attached to the inner wall of the V-shaped groove and is used to limit glue, and the connecting piece (123) moves along the V-shaped groove to move the movable bar (122).

3. The automatic carton seam pressing device according to claim 2, characterized in that: The frame (1) is provided with a support bar (128), and the support block (121) is movably provided with a push rod (124) for pushing the connecting piece (123) to move, and the push rod (124) is against the support bar (128).

4. The automatic carton seam pressing device according to claim 3 is characterized in that: The push rod (124) is provided with an arc-shaped spring leaf (129) extending to the support bar (128), and two side edges of the spring leaf (129) are against the top of the support bar (128).

5. The automatic carton seam pressing device according to claim 1, characterized in that: A transmission disk (111) for driving the installation shell (12) to move is rotatably arranged on the frame (1), and the pressing block (11) moves downward to rotate the transmission disk (111).

6. The automatic carton seam pressing device according to claim 5, characterized in that: The frame (1) is provided with a storage cavity (13) for storing cardboards, a movable plate (132) is provided inside the storage cavity (13), and the transmission plate (111) completes a cycle to move the movable plate (132) to a predetermined height.

7. The automatic carton seam pressing device according to claim 6, characterized in that: A guide plate (141) for driving the movable plate (132) to move is movably arranged on the frame (1), and a plurality of horizontal grooves (142) and an inclined groove (143) connecting two adjacent horizontal grooves (142) are arranged on the guide plate (141).

8. The automatic carton seam pressing device according to claim 7, characterized in that: A first pulling cable (118) is arranged between the guide plate (141) and the mounting shell (12); the mounting shell (12) moves to cause the guide plate (141) to reciprocate and drive the movable plate (132) to move.

9. The automatic carton seam pressing device according to claim 1, characterized in that: The frame (1) is provided with a push plate (131), and the pressing block (11) moves upward so that the push plate (131) pushes the topmost cardboard in the storage cavity (13) to move above the installation shell (12).

10. The automatic carton seam pressing device according to claim 6, characterized in that: The frame (1) is internally slidably provided with a limit plate (135) for limiting the storage cavity (13) and the working area of ​​the conveyor belt (14), and both the limit plate (135) and the frame (1) are provided with a limit strip (136) for pressing the cardboard.

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