Cabinet plate round hole edge sealing machine

Abstract

The application is a divisional application, and the original application has an application number of 202310431991.8. The present application relates to the technical field of round hole edge sealing machines, in particular to a cabinet plate round hole edge sealing machine. The cabinet plate round hole edge sealing machine comprises a rotating frame, a third driving device, an edge sealing material roll and a mounting seat. The rotating frame is rotationally arranged on the mounting seat. The edge sealing material roll is rotationally arranged on the rotating frame. The third driving device is drivingly connected with the rotating frame. The third driving device can drive the rotating frame to rotate. A first moving seat is slidably arranged on the rotating frame. The edge sealing material roll is arranged on the first moving seat. The rotating frame is provided with a spring pressing device connected with the first moving seat. When the edge sealing material roll enters the round hole to be sealed, the spring pressing device can drive the first moving seat to press the edge sealing material roll on the inner side wall of the round hole. The cabinet plate round hole edge sealing machine has the advantages of high automation degree and convenient operation.

Description

[0001] The present application is a divisional application, the original application date is 2023.04.21, the application number is 202310431991.8, and the invention name is: a display cabinet round hole edge banding machine center positioning device. TECHNICAL FIELD

[0002] The present application relates to the technical field of round hole edge banding machines, in particular to a cabinet plate round hole edge banding machine BACKGROUND

[0003] The existing cabinet plate round hole edge banding machine has low automation, such as the round hole single-sided edge banding strip edge banding equipment disclosed in Chinese Patent Publication No. CN 110843073 A. In the operation process of attaching the edge banding strip to the inner wall of the round hole, the device as a whole needs to be moved manually multiple times (see paragraphs

[0062] to

[0064] of the specification). Therefore, there is an urgent need to design an edge banding machine that can achieve automated operation. SUMMARY

[0004] To overcome the shortcomings of the prior art, the present application provides a cabinet plate round hole edge banding machine, which has the advantages of high automation and easy operation.

[0005] In order to achieve the above-mentioned purpose, the present application is realized by the following technical scheme:

[0006] A cabinet plate round hole edge banding machine, comprising a rotating frame, a third driving device, an edge banding material roll and a mounting seat, the rotating frame is rotatably arranged on the mounting seat, the edge banding material roll is rotatably arranged on the rotating frame, the third driving device is drivingly connected with the rotating frame, and the third driving device can drive the rotating frame to rotate. A first moving seat is slidably arranged on the rotating frame, the edge banding material roll is arranged on the first moving seat, the rotating frame is provided with a spring pressing device, and the spring pressing device is connected with the first moving seat; when the edge banding material roll enters the round hole to be edge banded, the spring pressing device can drive the first moving seat to press the edge banding material roll against the inner side wall of the round hole.

[0007] Based on the above structure, when the edge banding material to be attached is attached to the side wall of the round hole to be edge banded, the third driving device drives the rotating frame to rotate, thereby driving the edge banding material to make a circular motion around the inner wall of the round hole, thereby completing the edge banding operation. The spring pressing device maintains the attachment pressure between the edge banding material and the round hole to be edge banded, ensures that the edge banding strip can be adhered to the first moving seat, and makes the edge banding strip attached to the round hole to be edge banded and the edge banding material peel off when the edge banding material moves relative to the round hole to be edge banded. Therefore, it has the advantages of high automation and easy operation.

[0008] Further, the cabinet plate hole edge sealing machine has the following advantages: the rotation center of the sealing material roll is located on the virtual straight line formed by the linear movement track of the rotating frame, and the virtual straight line passes through the rotation center of the rotating frame; the pressure applied by the sealing material roll to the inner wall of the hole to be sealed is equal to the force applied by the elastic pressing device to the first moving seat, and the state is maintained during the circumferential movement of the sealing material roll corresponding to the hole, so that the stability of the sealing strip adhered to the inner wall of the hole is ensured.

[0009] Further, the cabinet plate hole edge sealing machine has the following advantages: the rotating frame comprises a mounting plate and a balancing frame, the first moving seat is slidably arranged on one side of the mounting plate, and the elastic pressing device is arranged on the mounting plate; the mounting plate is fixed on the balancing frame, a pair of guide wheels are arranged on the balancing frame away from the rotation center of the rotating frame, and the pair of guide wheels are circumferentially spaced apart; the mounting seat is provided with an annular groove, the guide wheels are arranged in the annular groove, and the side wall of the guide wheel is attached to the outer circular side wall of the annular groove; when the edge sealing operation is performed, the hole to be sealed and the annular groove can be considered as a whole static circular track, and the sealing material roll can be considered as a guide wheel having the same effect as the guide wheel, so that a group of circumferentially arranged guide wheels are formed, and the stability of the rotation of the rotating frame is improved when the third driving device drives the rotating frame to rotate around the mounting seat.

[0010] Further, the cabinet plate hole edge sealing machine has the following advantages: the rotating frame comprises a mounting plate and a balancing frame, the first moving seat is slidably arranged on one side of the mounting plate, and the elastic pressing device is arranged on the mounting plate; the mounting plate is fixed on the balancing frame, a pair of guide wheels are arranged on the balancing frame away from the rotation center of the rotating frame, and the pair of guide wheels are circumferentially spaced apart; the mounting seat is provided with an annular groove, the guide wheels are arranged in the annular groove, and the side wall of the guide wheel is attached to the outer circular side wall of the annular groove; when the edge sealing operation is performed, the hole to be sealed and the annular groove can be considered as a whole static circular track, and the sealing material roll can be considered as a guide wheel having the same effect as the guide wheel, so that a group of circumferentially arranged guide wheels are formed, and the stability of the rotation of the rotating frame is improved when the third driving device drives the rotating frame to rotate around the mounting seat.

[0011] Further, the cabinet plate hole edge sealing machine has the following advantages: the rotating frame comprises a mounting plate and a balancing frame, the first moving seat is slidably arranged on one side of the mounting plate, and the elastic pressing device is arranged on the mounting plate; the mounting plate is fixed on the balancing frame, a pair of guide wheels are arranged on the balancing frame away from the rotation center of the rotating frame, and the pair of guide wheels are circumferentially spaced apart; the mounting seat is provided with an annular groove, the guide wheels are arranged in the annular groove, and the side wall of the guide wheel is attached to the outer circular side wall of the annular groove; when the edge sealing operation is performed, the hole to be sealed and the annular groove can be considered as a whole static circular track, and the sealing material roll can be considered as a guide wheel having the same effect as the guide wheel, so that a group of circumferentially arranged guide wheels are formed, and the stability of the rotation of the rotating frame is improved when the third driving device drives the rotating frame to rotate around the mounting seat.

[0012] Further, the cabinet plate round hole edge sealing machine has the following beneficial effects:

[0013] Further, the cabinet plate round hole edge sealing machine further comprises a pair of linear driving devices, and the pair of linear driving devices are arranged on the mounting plate and the follower rod respectively, and are respectively connected with the first moving seat and the second moving seat.

[0014] Further, the cabinet plate round hole edge sealing machine has the following beneficial effects:

[0015] The above technical scheme can have the following beneficial effects:

[0016] The cabinet plate round hole edge sealing machine has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The cabinet plate round hole edge sealing machine has the following beneficial effects:

[0018] Figure 2This is a schematic diagram showing the position of the edge banding machine according to an embodiment of the present invention;

[0019] Figure 3 This is a plan view of the edge banding machine described in an embodiment of the present invention;

[0020] Figure 4 This is an exploded view of the components of the edge banding machine described in an embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the operation of the edge banding machine according to an embodiment of the present invention;

[0022] Figure 6 This is a three-dimensional structural schematic diagram of a circular center positioning device for a circular hole sealing machine for a display cabinet, as described in an embodiment of the present invention.

[0023] Figure 7 This is an exploded view of a circular center positioning device for a circular hole sealing machine for a display cabinet, as described in an embodiment of the present invention.

[0024] Figure 8 This is a three-dimensional structural schematic diagram of the center positioning device.

[0025] Figure 9 Here is an exploded view of the components of the circular center positioning device;

[0026] Figure 10 This is a schematic diagram showing the positioning wheels in a converged state;

[0027] Figure 11 Schematic diagram of the explosion of the base Figure 1 ;

[0028] Figure 12 Schematic diagram of the explosion of the base Figure 2 ;

[0029] Figure 13 for Figure 12 A magnified view of the area within circle A;

[0030] Figure 14 This is a schematic diagram of the structure of the first tooth and the second tooth;

[0031] Figure 15 This is a schematic diagram showing the connection between the center positioning device and the base body as described in Example 3;

[0032] Figure 16 for Figure 15 Exploded view of the components;

[0033] Figure 17 This is a schematic diagram showing the positional relationship between the edge banding machine and the center positioning device.

[0034] In the figure: 1 - base; 11 - x direction sliding seat; 12 - y direction sliding seat; 13 - locking device; 1301 - tooth tip; 1302 - inclined guide surface; 131 - rack; 132 - gear; 1321 - first tooth part; 133 - push cylinder; 134 - rotating disc; 1341 - second tooth part; 1342 - ratchet; 135 - fixed plate; 1351 - pawl; 1352 - first tension spring;

[0035] 2 - rack body; 21 - z direction driving seat; 22 - seat body; 221 - worm; 23 - second driving device;

[0036] 3 - center positioning device; 31 - fixed frame; 311 - moving frame; 3111 - sliding cavity; 3112 - sliding rail; 3113 - conical head; 312 - sliding seat; 313 - worm wheel; 32 - first driving device; 33 - positioning slider; 331 - positioning wheel; 332 - transmission connecting rod; 34 - z direction limiting device; 341 - universal limiting wheel; 342 - sliding rod; 3421 - limiting protrusion;

[0037] 4 - edge sealing machine; 41 - rotating frame; 411 - first moving seat; 413 - mounting plate; 414 - balance frame; 4141 - guide wheel; 42 - third driving device; 43 - edge sealing material roll; 431 - edge sealing strip; 44 - mounting seat; 441 - annular groove; 45 - follow-up rod; 451 - pressure roller frame; 452 - pressure roller; 453 - cutting knife; 454 - second moving seat; 47 - elastic pressing device; 471 - second tension spring; 472 - sliding block; 473 - traction rope; 474 - fixed pulley; 48 - linear driving device;

[0038] 91 - to-be-sealed circular hole. DETAILED DESCRIPTION

[0039] Example 1

[0040] In combination Figures 1 to 4 An edge sealing machine 4 is shown, which comprises a rotating frame 41, a third driving device 42, an edge sealing material roll 43, and a mounting seat 44. The rotating frame 41 is rotationally arranged on the mounting seat 44. The edge sealing material roll 43 is rotationally arranged on the rotating frame 41. The third driving device 42 is drivingly connected with the rotating frame 41. The third driving device 42 can drive the rotating frame 41 to rotate.

[0041] The above-mentioned device uses the method in combination Figure 5 As shown, when the to-be-sealed material roll 43 is attached to the side wall of the to-be-sealed circular hole 91, the third driving device 42 drives the rotating frame 41 to rotate, thereby driving the edge sealing material roll 43 to make a circular motion around the inner wall of the circular hole, thereby completing the edge sealing work.

[0042] In the embodiment, the rotating frame 41 is provided with a first moving base 411 which slides on the rotating frame 41, and the edge sealing material roll 43 is arranged on the first moving base 411. The rotating frame 41 is provided with a spring pressing device 47 which is connected with the first moving base 411.

[0043] In combination Figure 5 As shown in the figure, when the edge sealing material roll 43 enters the circular hole 91 to be sealed, the spring pressing device 47 can drive the first moving base 411 to press the edge sealing material roll 43 on the inner side wall of the circular hole.

[0044] The spring pressing device 47 keeps the edge sealing material roll 43 and the circular hole 91 to be sealed in close contact, so as to ensure that the edge sealing strip can be adhered to the first moving base 411, and when the edge sealing material roll 43 makes a circular motion relative to the circular hole 91 to be sealed, the edge sealing strip adhered to the circular hole 91 to be sealed is peeled off from the edge sealing material roll 43.

[0045] In combination Figure 2 As shown in the figure, in the embodiment, the rotating center of the edge sealing material roll 43 passes through the virtual straight line formed by the linear moving track of the rotating frame 41.

[0046] Since the rotating frame 41 slides on the first moving base 411, the first moving base 411 can drive the edge sealing material roll 43 to move linearly relative to the rotating frame 41. Therefore, the moving track of the rotating center of the edge sealing material roll 43 relative to the rotating frame 41 is a straight line. Based on the above structure, the three points, i.e. the external intersection point of the edge sealing material roll 43 and the circular hole to be processed, the rotating center point of the edge sealing material roll 43 relative to the first moving base 411, and the rotating center point of the rotating frame 41, are on a straight line. Therefore, it can be ensured that the pressure applied by the edge sealing material roll 43 on the inner side wall of the circular hole 91 to be sealed is equal to the force acting on the first moving base 411 by the spring pressing device 47, and this state is maintained during the circular motion of the edge sealing material roll 43 corresponding to the circular hole. Therefore, the stability of the edge sealing strip adhered to the inner wall of the circular hole can be ensured.

[0047] In combination Figure 1 And Figure 4 As shown in the figure, in the embodiment, the rotating frame 41 comprises a mounting plate 413 and a balancing frame 414. The first moving base 411 slides on one side surface of the mounting plate 413, and the spring pressing device 47 is arranged on the mounting plate 413.

[0048] The mounting plate 413 is fixed on the balancing frame 414. A pair of guide wheels 4141 are arranged on the balancing frame 414 away from the rotating center of the rotating frame 41, and the pair of guide wheels 4141 are arranged in a circumferential direction.

[0049] The mounting base 44 is provided with an annular groove 441, and the guide wheel 4141 is arranged in the annular groove 441, and the side wall of the guide wheel 4141 is in close contact with the outer circular side wall of the annular groove 441.

[0050] When the edge sealing operation is performed, the to-be-sealed circular hole 91 and the annular groove 441 can be considered as a whole stationary circular track, and the edge sealing material roll 43 can be considered as a guide wheel having the same effect as the guide wheel 4141, and thus a group of guide wheels in a circumferential array is formed, and when the third driving device 42 drives the rotating frame 41 to rotate around the mounting base 44, the stability of the rotating frame 41 in rotation can be improved.

[0051] In combination Figures 1 to 5 As shown in the drawings, in the embodiment, the edge sealing machine 4 further comprises a follower rod 45, the follower rod 45 is arranged on the rotating frame 41, the follower rod 45 is provided with a pressure roller frame 451, the pressure roller frame 451 is arranged behind the circumferential rotation direction of the edge sealing material roll 43, and the pressure roller frame 451 is rotatably provided with a pressure roller 452.

[0052] When the edge sealing operation is performed, the pressure roller 452 is in close contact with the side wall of the to-be-sealed circular hole 91 and moves along the circumferential direction of the side wall of the to-be-sealed circular hole 91 following the edge sealing material roll 43, so as to press and shape the edge sealing strip 431 in close contact with the side wall of the to-be-sealed circular hole 91, and the edge sealing quality is improved.

[0053] In the embodiment, the follower rod 45 is slidably provided with a second moving seat 454, the pressure roller frame 451 is arranged on the second moving seat 454, the follower rod 45 is provided with a spring pressing device 47, and the spring pressing device 47 is connected with the second moving seat 454.

[0054] When the pressure roller 452 enters the to-be-sealed circular hole, the spring pressing device 47 can drive the second moving seat 454 to press the pressure roller 452 on the inner side wall of the circular hole. The spring pressing device 47 keeps the pressure roller 452 pressed on the edge sealing strip 431 to apply a constant pressure to the edge sealing strip 431, and the edge sealing quality is improved. In the embodiment, the rotation center of the pressure roller 452 passes through the virtual straight line formed by the straight line moving track of the follower rod 45 relative to the rotating center of the rotating frame 41. The stability of the pressure roller 452 in pressing can be ensured, and the edge sealing quality is improved.

[0055] In combination Figure 1 and Figure 4As shown, in the embodiment, the elastic pressing device 47 is composed of a second tension spring 471, a sliding block 472, a traction rope 473 and a fixed pulley 474. One end of the second tension spring 471 is connected with the sliding block 472, and the other end is connected with the rotating frame 41 or the follower rod 45. The sliding block 472 is slidingly arranged on the side of the mounting plate 413 away from the first moving base 411 or on the side of the follower rod 45 away from the second moving base 454. One end of the traction rope 473 is connected with the sliding block 472, and the other end is connected with the first moving base 411 or the second moving base 454. The fixed pulley 474 is arranged at the front end of the mounting plate 413 or the follower rod 45, and the traction rope 473 is sleeved on the fixed pulley 474. Based on the above device, the tension applied by the elastic pressing device 47 to the first moving base 411 and the second moving base 454 is stable.

[0056] In combination Figure 1 and Figure 4 As shown, in the embodiment, a pair of linear driving devices 48 are further included. One of the pair of linear driving devices 48 is arranged on the mounting plate 413, and the other is arranged on the follower rod 45. The pair of linear driving devices 48 are respectively drivingly connected with the first moving base 411 and the second moving base 454. In the embodiment, the linear driving device 48 is a rodless cylinder. Before the edge banding machine 4 is used, the linear driving device 48 pulls the mounting plate 413 and the follower rod 45 to the side close to the rotation center of the rotating frame 41, so as to be in a reset state. At this time, the edge banding roll 43 and the pressure roller 452 are in a retracted state, which facilitates entering the to-be-edge-banded circular hole 91. When the edge banding machine 4 works, after the edge banding roll 43 and the pressure roller 452 enter the to-be-edge-banded circular hole 91, the gas circuit is cut off, so that the linear driving device 48 is in a pressure-free state. At this time, the elastic pressing device 47 can pull the first moving base 411 and the second moving base 454, until the edge banding roll 43 and the pressure roller 452 are attached to the side wall of the to-be-edge-banded circular hole 91. It should be noted that, in order to prevent the gas pipe of the cylinder from being wound during the rotation of the rotating frame 41, a pneumatic slip ring (not shown) is installed on the mounting seat 44 corresponding to the rotating position of the rotating frame 41.

[0057] In combination Figure 1 , Figure 4 and Figure 5 As shown, in the embodiment, the pressure roller frame 451 is provided with a cutting knife 453, which is arranged on the side of the pressure roller 452 close to the edge banding roll 43.

[0058] When the pressing roller 452 presses the sealing strip 431, the linear drive device 48 drives the first moving seat 411 and the sealing material roll 43 to move towards the center of the rotating frame 41. At this time, the sealing strip 431 between the sealing material roll 43 and the pressing roller 452 is pulled up to contact the cutting knife 453, and the cutting knife 453 cuts the sealing strip 431, thereby realizing the function of automatically cutting off the sealing strip. It should be noted that if the sealing material roll 43 is pulled up, the sealing strip 431 between the sealing material roll 43 and the pressing roller 452 is too tightly bonded to the to-be-sealed circular hole 91, which may cause the sealing material roll 43 to continuously peel off the sealing strip 431 wound on the sealing material roll 43 during rotation. In order to solve this problem, the tension of the second tension spring 471 on the rotating frame 41 needs to be adjusted in actual implementation, so that the pressure between the sealing material roll 43 and the to-be-sealed circular hole 91 is adjusted to the sealing material roll 43 when it is lifted for cutting, so that the sealing strip 431 on the sealing material roll 43 will not be continuously peeled off. It should also be noted that in order to ensure that the sealing strip on the sealing material roll 43 can be bonded to the to-be-sealed circular hole 91 when the sealing material roll 43 is pressed on the to-be-sealed circular hole 91 in the initial state, a strong adhesive needs to be applied to the outermost side of the sealing material roll 43 during the sealing preparation work. In addition, during the process of moving the first moving seat 411 and the sealing material roll 43 towards the center of the rotating frame 41 by the linear drive device 48 to cut the sealing strip 431, the pressing roller 452 must press the sealing strip attached to the circular hole, so the pressing roller 452 also plays a role in assisting the cutting of the sealing strip.

[0059] Based on the above device, the sealing machine 4 in the embodiment has the functions of automatically cutting off the sealing strip and automatically pressing and attaching the sealing strip on the side wall of the circular hole, compared with the prior art, the patent for an embodiment with the publication number CN110843073 A. It should be noted that the technical solution disclosed in the circular hole single-sided sealing strip sealing device can only use a sealing strip of a predetermined length that has been cut beforehand. According to the content of paragraph 64 of the specification, “after completing the sealing, continue to move the embodiment several circles along the inner wall of the circular hole to make the cylinder continue to extrude the sealing strip without an automatic sealing strip pressing device”, it can be known that there is no automatic sealing strip pressing device after completing the sealing operation, and there is no solution for how to “move the embodiment several circles” in the disclosed technical solution.

[0060] In the embodiment, based on the above structure, after the linear drive device 48 drives the first moving seat 411 and the sealing material roll 43 to move towards the center of the rotating frame 41 to cut the sealing strip 431, the pressing roller 452 is continued to be driven to rotate to roll on the sealing strip on the to-be-sealed circular hole 91 for a predetermined number of circles, which can ensure the sealing quality.

[0061] In addition, in the embodiment, the pressing roller frame 451 is provided with a heating device (not shown). The heating device can heat the pressing roller 452, and the hot pressing process can improve the edge sealing quality.

[0062] Embodiment 2

[0063] In combination Figures 6 to 10 The center positioning device of the display cabinet round hole edge sealing machine shown in the embodiment comprises a base 1, an x-direction sliding seat 11 slidingly arranged on the base 1, and a y-direction sliding seat 12 slidingly arranged on the x-direction sliding seat 11.

[0064] A rack body 2 is provided with a z-direction driving seat 21.

[0065] A center positioning device 3 comprises a fixing frame 31, a first driving device 32, and a plurality of positioning sliding blocks 33. The center positioning device 3 is arranged above the y-direction sliding seat 12. The fixing frame 31 is arranged on the movable assembly of the z-direction driving seat 21. The fixed assembly of the first driving device 32 is arranged on the fixing frame 31. The number of the positioning sliding blocks 33 is at least three. The positioning sliding blocks 33 are slidingly arranged on the fixing frame 31. The positioning sliding blocks 33 are uniformly and interval arrayed along the circumferential direction of the virtual circle O. The bottom of the positioning sliding block 33 is rotatably provided with a positioning wheel 331. The first driving device 32 is drivingly connected with the plurality of positioning sliding blocks 33. The first driving device 32 can drive the plurality of positioning sliding blocks 33 to slide along the radius of the circle O on the fixing frame 31, so that the plurality of positioning wheels 331 synchronously move to the gathering or opening state.

[0066] The use method of the center positioning device of the display cabinet round hole edge sealing machine comprises the following operations and steps.

[0067] S1: reset state, the z-direction driving seat 21 drives the center positioning device 3 to move to the highest point, and the plurality of positioning wheels 331 are in the gathering state.

[0068] S2: coarse positioning, the x-direction sliding seat 11 and / or the y-direction sliding seat 12 are moved until the to-be-sealed round hole 91 fixed on the cabinet body or the cabinet plate is below the plurality of positioning wheels 331.

[0069] S3: lowering, the z-direction driving seat 21 drives the center positioning device 3 to lower by a preset distance, so that the plurality of positioning wheels 331 enter the to-be-sealed round hole 91.

[0070] S4: positioning, the first driving device 32 drives a group of positioning sliders 33 to slide, so that a group of positioning wheels 331 move to the spread state, and as the positioning wheels 331 contact the inner wall of the circular hole 91 to be edge sealed, the y-direction sliding seat 12 and / or the x-direction sliding seat 11 move until the circular hole 91 to be edge sealed is coincided with the circle O, so as to realize positioning;

[0071] S5: moving out, after positioning is completed, the first driving device 32 drives a group of positioning sliders 33 to slide, so that a group of positioning wheels 331 are in the gathering state, and the z-direction driving seat 21 drives the whole center positioning device 3 to rise by a preset distance, so that the positioning wheels 331 move out of the circular hole 91 to be edge sealed.

[0072] The center positioning device of the circular hole edge sealing machine of the display cabinet disclosed in the embodiment has the principle that the y-direction sliding seat 12 is used for setting the clamping device to fix the cabinet body or the cabinet plate on the y-direction sliding seat 12, the sliding directions of the x-direction sliding seat 11 and the y-direction sliding seat 12 are perpendicular to each other and parallel to the horizontal plane, and the moving direction of the moving assembly of the z-direction driving seat 21 is the vertical direction. In step S4, when the first driving device 32 drives a group of positioning wheels 331 to move to the spread state, the side wall of the positioning wheel 331 contacts the inner side wall of the circular hole 91 to be edge sealed. As long as the circular hole 91 to be edge sealed is not concentric with the circle O, the force received by the side wall of the circular hole 91 to be edge sealed is unbalanced, so that the x-direction sliding seat 11 and the y-direction sliding seat 12 move. When the circular hole 91 to be edge sealed is concentric with the circle O, the forces generated by a group of positioning wheels 331 on the side wall of the circular hole 91 to be edge sealed cancel each other out, so as to realize positioning. The rotationally arranged positioning wheels 331 can prevent the positioning wheels 331 and the side wall of the circular hole 91 to be edge sealed from being stuck due to excessive friction during the spread movement. Therefore, the center positioning device of the circular hole edge sealing machine of the display cabinet disclosed in the embodiment can realize the center positioning of the circular hole to be edge sealed of the cabinet body or the cabinet plate, and the reference of the center positioning is the side wall of the circular hole 91 to be edge sealed, has the advantages of high positioning precision and good universality.

[0073] In combination with Figure 10 It is shown that in the embodiment, the number of the positioning sliders 33 is 4, one pair of the positioning sliders 33 is parallel to the sliding direction of the x-direction sliding seat 11, and the other pair of the positioning sliders 33 is parallel to the direction of the y-direction sliding seat 12.

[0074] Therefore, the positioning wheels 331 move synchronously in a cross direction, and since the moving direction of the positioning wheels 331 is parallel to the moving direction of the x-direction sliding seat 11 and the y-direction sliding seat 12, the moving force of the y-direction sliding seat 12 and the x-direction sliding seat 11 is parallel to the moving direction of the y-direction sliding seat 12 and the x-direction sliding seat 11 during the movement towards the opening state, so that the stability of the movement is ensured and the jamming is prevented.

[0075] In combination Figure 9 As shown in the drawings, in the embodiment, the first driving device 32 is a cylinder, the positioning sliding block 33 is rotationally provided with a transmission connecting rod 332, one end of the transmission connecting rod 332 away from the positioning sliding block 33 is rotationally connected to the telescopic assembly of the first driving device 32, and the telescopic direction of the telescopic assembly of the first driving device 32 is perpendicular to the moving direction of the positioning sliding block 33.

[0076] In the embodiment, the cylinder body of the first driving device 32 is fixed to the fixed frame 31, the transmission connecting rod 332 is hinged to the telescopic rod of the first driving device 32, the end of the telescopic rod of the first driving device 32 is provided with a connecting seat, the hinge point of the connecting seat corresponding to the transmission connecting rod 332 corresponds to one of the positioning sliding blocks 33, and therefore, the center of the circle O coincides with the axis core of the telescopic rod of the first driving device 32. Through the above device, the first driving device 32 can drive the positioning wheels 331 to move synchronously, and during the movement towards the opening state, the side wall of the to-be-sealed circular hole 91 plays a limiting role, so that the moving stroke of the positioning wheels 331 is not required to be preset according to the diameter of the to-be-sealed circular hole 91, and the control is simple and reliable. In the embodiment, when the positioning wheels 331 move to the gathering state, the adjacent positioning wheels 331 are attached to each other to form a limit.

[0077] In combination Figure 8 and Figure 9 As shown in the drawings, in the embodiment, the fixed frame 31 includes a moving frame 311, a plurality of sliding cavities 3111 are provided on the moving frame 311, the sliding cavities 3111 correspond to the positioning sliding blocks 33 one by one, a pair of slide rails 3112 are respectively provided on a pair of side walls of the sliding cavities 3111 in the extending direction, the positioning sliding blocks 33 are arranged between the pair of slide rails 3112, and the positioning sliding blocks 33 are slidably connected to the pair of slide rails 3112. The slide rails 3112 are arranged on both sides of the positioning sliding blocks 33, and have the advantage of structural stability.

[0078] In combination Figure 8 and Figure 9As shown, in the embodiment, the center positioning device 3 further comprises a z-direction limiting device 34, which is arranged on the fixed frame 31, and comprises universal limiting wheels 341 arranged outside the set of positioning wheels 331.

[0079] In step S3, when the z-direction driving seat 21 drives the center positioning device 3 to drop by a preset distance, so that the set of positioning wheels 331 enters the edge sealing circle hole 91, the universal limiting wheels 341 are pressed on the cabinet body or cabinet plate. In addition, the z-direction limiting device 34 further comprises a sliding rod 342, which is slidingly arranged on the fixed frame 31, and the universal limiting wheels 341 are arranged at the lower end of the sliding rod 342. The sliding rod 342 and the fixed frame 31 are provided with corresponding detection devices, when the z-direction driving seat 21 drives the center positioning device 3 to drop, so that the set of positioning wheels 331 enters the edge sealing circle hole 91, the sliding rod 342 is lifted, and when it is lifted to a preset distance, the detection devices (not shown) are inducted to each other, and send a signal to the control system to confirm that step S3 is completed, and step S4 operation can be performed.

[0080] The number of z-direction limiting devices 34 is at least 3, and the set of z-direction limiting devices 34 is arranged in a uniform interval array along the circumferential direction of the virtual circle O. The fixed frame 31 is provided with a sliding seat 312 corresponding to the sliding rod 342, the sliding rod 342 is arranged on the sliding seat 312, and the end of the sliding rod 342 away from the universal limiting wheel 341 is provided with a limiting protrusion 3421. When the limiting protrusion 3421 contacts the top end of the sliding seat 312, the universal limiting wheel 341 is below the positioning wheel 331. In the embodiment, the number of z-direction limiting devices 34 is 4, and a spring is arranged on the sliding rod 342, and the two ends of the spring are pressed on the universal limiting wheel 341 and the sliding seat 312, respectively. Based on the above structure, it is convenient to perform coarse positioning in step S2. When the universal limiting wheel 341 contacts the cabinet body or cabinet plate, when the set of universal limiting wheels 341 is inside the edge sealing circle hole 91, and the visual distance of the set of universal limiting wheels 341 to the edge of the edge sealing circle hole 91 is close, the coarse positioning is completed. Therefore, the coarse positioning operation can be conveniently performed, and the coarse positioning error can be prevented from being too large, so that the positioning wheel 331 is pressed on the cabinet body or cabinet plate to cause damage when step S3 is performed.

[0081] In combination Figure 8 and Figure 9As shown, in this embodiment, the movable frame 311 is provided with a conical head 3113. The conical head 3113 is located in the center of the movable frame 311 and coincides with the circular O-axis core. The upper diameter of the conical head 3113 is larger than the lower diameter. The conical head 3113 is located below a set of positioning wheels 331. The upper end of the conical head 3113 is provided with a connecting rod that is connected to the movable frame 311. When the positioning wheel 331 is in the converged state, the entire positioning wheel 331 is within the outer contour of the upper end of the conical head 3113. The conical head 3113 is used for coarse positioning to prevent low coarse positioning accuracy from causing the moving frame 311 to collide with the cabinet or cabinet panel during step S3. During the overall descent of the center positioning device 3, if the edge of the circular hole 91 to be sealed touches the conical surface of the conical head 3113, the horizontal component force generated by the conical head 3113 can push the x-direction sliding seat 11 and the y-direction sliding seat 12 to move, so that after step S3 is completed, the positioning wheel 331 is within the circular hole 91 to be sealed. It should be noted that the principle of using the conical head 3113 to calibrate the position of the circular hole 91 to be sealed can only be used as a preventative fine-tuning measure. If this principle is used as the entire device to achieve center positioning, the cabinet or panel will deform due to the downward pressure. In this embodiment, the center positioning is achieved by the horizontal external support generated by the positioning wheel 331, which can prevent the cabinet or panel from deforming.

[0082] Combination Figures 11 to 13 As shown, this embodiment also includes a locking device 13, which is disposed between the y-direction sliding seat 12 and the x-direction sliding seat 11, and between the x-direction sliding seat 11 and the base 1. Activating the locking device 13 can restrict the movement of the x-direction sliding seat 11 and the y-direction sliding seat 12. When performing edge sealing operations, the edge sealing device needs to be pressed against the side wall of the circular hole 91 to be sealed. Since the x-direction sliding seat 11 and the y-direction sliding seat 12 are slidably connected, this will cause displacement of the circular hole 91 to be sealed. Therefore, it is necessary to lock the moving components on the base 1 before performing edge sealing operations.

[0083] Combination Figure 13 As shown, in this embodiment, the locking device 13 between the x-direction sliding seat 11 and the y-direction sliding seat 12 includes a rack 131, a gear 132, a push cylinder 133, a rotating disk 134, and a fixing plate 135.

[0084] A pair of racks 131 are fixedly provided on the y-direction sliding seat 12, and the extending direction of the racks 131 is parallel to the sliding direction of the y-direction sliding seat 12.

[0085] Corresponding to the rack 131, a pair of gears 132 are rotatably provided on the x-direction sliding seat 11, and the bottom of the gears 132 is provided with a set of circumferentially arrayed first teeth 1321;

[0086] Below the corresponding gear 132, the x direction sliding seat 11 is provided with a push cylinder 133, the top end of the telescopic part of the push cylinder 133 is rotationally provided with a rotating disc 134, the upper end of the rotating disc 134 is provided with a second tooth part 1341 in a circumferential array, and the end away from the second tooth part 1341 of the rotating disc 134 is fixedly provided with a ratchet wheel 1342;

[0087] The telescopic part of the push cylinder 133 is fixedly provided with a fixed plate 135, the fixed plate 135 is rotationally provided with a ratchet pawl 1351, the fixed plate 135 is provided with a first tension spring 1352, the first tension spring 1352 is connected with the ratchet pawl 1351, and the first tension spring 1352 presses the ratchet pawl 1351 on the ratchet wheel 1342;

[0088] After the telescopic rod of the push cylinder 133 is extended, the rotating disc 134 moves towards the gear 132, the second tooth part 1341 and the first tooth part 1321 are meshed with each other, at this time, the y direction sliding seat 12 is locked by a pair of ratchet wheels 1342 and corresponding ratchet pawls 1351 and cannot be moved.

[0089] The conventional locking method is to press the cylinder to drive the friction disc to be pressed on the moving assembly, and the moving assembly is locked, this method requires large pressure of the cylinder, and the locking by friction force has the disadvantage of poor reliability compared with the structure limiting. Based on the above structure, the center positioning device of the display cabinet round hole edge sealing machine in the embodiment utilizes the mechanical principle of one-way transmission of the ratchet wheel and the ratchet pawl, a pair of ratchet wheels and ratchet pawls are locked in opposite directions, and the moving assembly is locked, and specific conditions can be various, for example, a pair of ratchet wheels 1342 with the same rotating direction are taken as an example, the rack 131 fixed on the y direction sliding seat 12 is arranged on the inner side or the outer side of the gear 132 above the ratchet wheel 1342, and is meshed with the adjacent gear 132, so that the y direction sliding seat 12 is locked. In the locking device 13 between the x direction sliding seat 11 and the y direction sliding seat 12 in the embodiment, a pair of racks 131 are arranged on the inner side of a pair of gears 132. The locking device 13 between the x direction sliding seat 11 and the base 1 and the locking device 13 between the x direction sliding seat 11 and the y direction sliding seat 12 have the same structure and principle, and the difference lies in that a pair of racks 131 are arranged on the outer side of a pair of gears 132. Based on the above structure, the center positioning device of the display cabinet round hole edge sealing machine in the embodiment has the advantage that the locking device 13 limits the freedom of the parts by mechanical structure, and has the advantage of reliable locking effect.

[0090] In combination Figure 14As shown, in the embodiment, the first tooth part 1321 and the second tooth part 1341 are of the same shape, and the corresponding tooth structure includes a tooth tip 1301 at the end and an inclined guide surface 1302 extending from both sides of the tooth tip 1301 to the root. When the extension rod of the push cylinder 133 is ejected, the tooth tip 1301 and the inclined guide surface 1302 of the first tooth part 1321 and the second tooth part 1341 are in contact with each other. Due to the guidance of the inclined guide surface 1302, the rotating disc 134 is rotated, and finally the first tooth part 1321 and the second tooth part 1341 are engaged with each other. The design of the tooth tip 1301 can prevent the end from being ejected.

[0091] Embodiment 3

[0092] In combination Figures 6 to 8 , and Figures 15 to 17 A display cabinet round hole sealing edge device with center positioning function

[0093] The display cabinet round hole sealing edge machine center positioning device of embodiment 2 and the sealing edge machine 4 of embodiment 1 are further provided with a seat body 22, the z-direction driving seats 21 are arranged in pairs on both sides of the seat body 22, the movable assembly of the z-direction driving seat 21 is connected with the seat body 22, the fixed frame 31 is rotatably arranged on the seat body 22, the seat body 22 is provided with a second driving device 23, the second driving device 23 is drivingly connected with the fixed frame 31, the second driving device 23 can drive the fixed frame 31 to rotate between a first preset angle and a second preset angle, and the sealing edge machine 4 is arranged on the fixed frame 31 and connected with the fixed frame 31.

[0094] When the fixed frame 31 is rotated to the first preset angle, the positioning wheel 331 is opposite to the position of the y-direction sliding seat 12, at this time, the center positioning device 3 is in the working position. When the fixed frame 31 is rotated to the second preset angle, the sealing edge machine 4 is opposite to the position of the y-direction sliding seat 12, at this time, the sealing edge machine 4 is in the working position.

[0095] In addition, in combination Figure 17 As shown, the axis core of the circle O intersects with the rotation axis core of the rotating frame 41, the intersection point is point A, and the point A is on the rotation axis core of the fixed frame 31. The axis core of the circle O is perpendicular to the virtual plane where the rotation axis core of the rotating frame 41 is located.

[0096] Based on the above structure, the working method of the display cabinet round hole sealing edge device with center positioning function includes the steps S1 to S5 of embodiment 2. It should be noted that during the implementation of steps S1 to S5, the fixed frame 31 is rotated to the first preset angle, and after the step S5 of embodiment 2 is completed, the following steps are further included.

[0097] S6: function switching, the second driving device 23 drives the fixed frame 31 to rotate to a second preset angle;

[0098] S7: vertical positioning, the edge sealing machine 4 is vertically moved by the z-direction driving seat 21 until the height of the edge sealing material roll 43 is adapted to the circular hole 91 to be sealed;

[0099] S8: edge sealing, when the surface to be sealed of the edge sealing material roll 43 is attached to the side wall of the circular hole 91 to be sealed, the second driving device 42 drives the rotating frame 41 to rotate so as to drive the edge sealing material roll 43 to make a circular motion around the inner wall of the circular hole, thereby completing the edge sealing work.

[0100] Therefore, the display cabinet circular hole edge sealing device with the center positioning function can realize the center positioning of the circular hole to be sealed, thereby ensuring the edge sealing quality.

[0101] In combination with Figure 8 , Figure 15 and Figure 16 , the worm 221 is rotatably arranged on the seat body 22, the worm wheel 313 is fixedly arranged on the fixed frame 31, the worm 221 and the worm wheel 313 are in meshing connection, the second driving device 23 is in transmission connection with the worm 221, and the second driving device 23 drives the worm 221 to rotate to drive the worm wheel 313 to rotate, thereby realizing the rotation of the fixed frame 31.

[0102] Since the fixed frame 31 is in rotational connection with the seat body 22, the reaction force generated in the working process of the center positioning device 3 or the edge sealing machine 4 is easy to cause the fixed frame 31 to shake, thereby affecting the production quality. The braking capacity of the motor is used to eliminate the torque, which will affect the service life of the motor. The worm 221 is used to brake the worm wheel 313, which can prevent the fixed frame 31 from shaking and will not transmit the torque to the second driving device 23, thereby improving the service life of the second driving device 23. In the embodiment, the worm wheel 313 and the worm 221 are arranged in pairs on the two sides of the first driving device 32, the driving end of the worm 221 is provided with a synchronous belt wheel, and one motor is used to synchronously drive a pair of the worm 221 to rotate, thereby improving the stability of the rotation of the fixed frame 31.

[0103] The technical principles of the present application are described above in combination with specific embodiments, and these descriptions are only for explaining the principles of the present application, and cannot be explained as the limitation of the protection scope of the present application in any way. Based on the explanations herein, the person skilled in the art can think of other specific embodiments of the present application without any creative labor, and these embodiments will fall within the protection scope of the present application.

Claims

1. A cabinet panel round hole edge banding machine characterized by: The third driving device (42) is in driving connection with the rotating frame (41), and the third driving device (42) can drive the rotating frame (41) to rotate. The rotating frame (41) is provided with a first moving base (411) slidingly, the edge sealing material roll (43) is arranged on the first moving base (411), the rotating frame (41) is provided with a spring pressing device (47), and the spring pressing device (47) is connected with the first moving base (411); When the edge sealing material roll (43) enters the round hole to be sealed, the spring pressing device (47) can drive the first moving base (411) to press the edge sealing material roll (43) on the inner side wall of the round hole. The rotating frame (41) comprises a mounting plate (413) and a balance frame (414), the first moving base (411) is slidingly arranged on one side of the mounting plate (413), and the spring pressing device (47) is arranged on the mounting plate (413); The edge sealer (4) further comprises a follow-up rod (45), the follow-up rod (45) is arranged on the rotating frame (41), the follow-up rod (45) is provided with a pressing roller frame (451), the pressing roller frame (451) is arranged at the rear of the circumferential rotation direction of the edge sealing material roll (43), and the pressing roller frame (451) is rotatably provided with a pressing roller (452); The follow-up rod (45) is provided with a second moving base (454) slidingly on one side, the pressing roller frame (451) is arranged on the second moving base (454), the follow-up rod (45) is provided with a spring pressing device (47), and the spring pressing device (47) is connected with the second moving base (454); when the pressing roller (452) enters the round hole to be sealed, the spring pressing device (47) can drive the second moving base (454) to press the pressing roller (452) on the inner side wall of the round hole; Further comprising a pair of linear driving devices (48), a pair of the linear driving devices (48) are arranged on the rotating frame (41) and the follow-up rod (45) respectively, and a pair of the linear driving devices (48) are in driving connection with the first moving base (411) and the second moving base (454) respectively; The elastic pressing device (47) is composed of a second tension spring (471), a sliding block (472), a traction rope (473) and a fixed pulley (474), one end of the second tension spring (471) is connected with the sliding block (472), the other end is connected on the rotating frame (41) or the follower rod (45), the sliding block (472) is slidingly arranged on the side of the mounting plate (413) away from the first moving base (411) or the side of the follower rod (45) away from the second moving base (454), one end of the traction rope (473) is connected with the sliding block (472), the other end of the traction rope (473) is connected with the first moving base (411) or the second moving base (454), the fixed pulley (474) is arranged on the front end of the mounting plate (413) or the follower rod (45), and the traction rope (473) is sleeved on the fixed pulley (474).

2. A cabinet board round hole edge sealing machine according to claim 1, characterized in that: The rotation center of the edge sealing material roll (43) passes through a virtual straight line formed by the straight line movement track of the rotating frame (41).

3. The cabinet plate round hole edge sealing machine according to claim 1, characterized in that: The mounting plate (413) is fixed on the balance frame (414), and a pair of guide wheels (4141) are arranged on the balance frame (414) away from the rotation center of the rotating frame (41); the pair of guide wheels (4141) are circumferentially spaced apart. The mounting seat (44) is provided with an annular groove (441), and the guide wheels (4141) are arranged in the annular groove (441); the side wall of the guide wheel (4141) is in close contact with the outer circular side wall of the annular groove (441).

4. The cabinet board round hole edge sealing machine according to claim 1, characterized in that: The cutting knife (453) is arranged on the side of the pressing roller (452) close to the edge sealing material roll (43).

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