Seal driving mechanism and seal equipment

Abstract

The utility model relates to a seal driving mechanism and seal equipment, the seal driving mechanism comprises a shell assembly, a driving device, a driving support, a positioning device, a seal carrier and a seal surface pressing sensing device, the shell assembly is provided with a seal outlet, the driving support is driven by the driving device to move towards or away from the direction of the seal outlet, and the seal surface pressing sensing device is arranged on the driving support. The positioning device detects forward and reverse movement displacements of the driving bracket in the shell assembly; the upper end of the seal carrier is elastically connected with the driving support, the seal body is hung at the lower end of the seal carrier, and the seal face pressing sensing device detects pressure borne by the seal face of the seal body and sends detected pressure data to the preset controller. Therefore, based on the detection results of the positioning device and the seal surface pressing sensing device, the driving device is controlled to drive the driving support in the forward direction or the reverse direction, automatic withdrawing of the seal body after the seal body finishes the stamping action is achieved, and the risk that the seal body cannot be automatically withdrawn after the seal body finishes the stamping action and is subjected to multiple times of stamping is avoided.

Description

Technical Field

[0001] The utility model relates to the field of seal equipment, in particular to a seal driving mechanism and a seal equipment. Background Art

[0002] As a strong anti-counterfeiting measure, seals have been widely used on various documents, agreements, vouchers, bills and other written materials. As long as a legally registered seal is stamped on a written material, it means that the legal holder of the seal has legally recognized and agreed to the content of the current document, agreement and other written materials. With the development from traditional seal equipment with manual pressure stamping to intelligent seal equipment with intelligent pressure stamping, the structure of seal equipment is constantly changing.

[0003] Existing smart seal devices usually include a seal body, a seal shell and a driving mechanism. The seal shell has a seal outlet, and the seal body and the driving mechanism are located on the inner side of the seal shell. When stamping is required, manual pressing force is applied to the driving mechanism, and the driving mechanism pushes the seal body to the outer side of the seal outlet of the seal shell, so that the stamping surface of the pushed seal body is pressed against the surface of the object to be stamped, completing the stamping operation. When stamping is not required, the manual pressing force applied to the driving mechanism is released, and the driving mechanism brings the seal body located outside the seal outlet back to the inner side of the seal shell.

[0004] However, there are some problems with the existing smart seal devices: although the driving mechanism of the seal device has the function of driving the seal body to extend to the outside of the seal outlet, it does not have the function of automatically retracting the seal body to the inside of the seal outlet. In this way, once manual pressing pressure is continuously applied to the driving mechanism, the seal body will always be outside the seal outlet of the seal shell, and then be stamped countless times. In this way, there is a risk of being stamped multiple times because the seal body cannot be automatically retracted. Utility Model Content

[0005] The first technical problem to be solved by the utility model is to provide a seal driving mechanism with the function of automatically extending and retracting a seal body.

[0006] The second technical problem to be solved by the utility model is to provide a seal device using the seal driving mechanism.

[0007] The technical solution adopted by the utility model to solve the first technical problem is: a seal driving mechanism includes a housing component with a seal outlet, characterized in that it also includes:

[0008] A driving device, located in the housing assembly, generates a forward driving force and a reverse driving force under the control of a preset controller;

[0009] The driving bracket is located in the housing assembly and is in driving connection with the driving device, and is configured to receive a positive driving force generated by the driving device to generate a positive movement toward the chapter outlet and receive a reverse driving force generated by the driving device to generate a reverse movement away from the chapter outlet;

[0010] A positioning device, located in the housing assembly, is configured to detect a forward movement displacement and a reverse movement displacement of the driving bracket in the housing assembly, and send the detected movement displacement to a preset controller;

[0011] A seal carrier is located in the housing assembly, the upper end of the seal carrier is elastically connected to the driving bracket, and the lower end of the seal carrier is mounted with a seal body;

[0012] The seal surface pressure sensing device is located in the housing assembly and is arranged between the driving bracket and the upper end of the seal carrier. It is configured to detect the pressure on the seal surface of the seal body and send the detected pressure data to the preset controller.

[0013] Improved, in the seal driving mechanism, the housing assembly comprises:

[0014] A first housing having a first accommodating cavity;

[0015] The second shell is located at the lower end of the first shell. The second shell is assembled and matched with the first shell to form a cavity for placing the driving device, the driving bracket, the positioning device, the seal carrier and the seal surface pressing sensing device by the second shell and the first accommodating cavity. The seal outlet is located at the lower end of the second shell.

[0016] Furthermore, in the seal driving mechanism, the driving bracket includes an upper end and a lower end, the driving device and the upper end of the driving bracket are both located in the first accommodating cavity of the first shell, the second shell has a second accommodating cavity located at its lower end, the second accommodating cavity forms the seal outlet, and the seal carrier, the seal body and the lower end of the driving bracket are all located in the second accommodating cavity of the second shell.

[0017] Further improved, in the seal driving mechanism, the driving device comprises:

[0018] The motor has a front-mounted worm gear;

[0019] A gear, which is arranged rearward relative to the worm gear and on the worm gear shaft of the worm gear;

[0020] Wherein, the driving bracket has an engaging structure that meshes with the gear.

[0021] Improved, in the seal drive mechanism, the drive bracket includes at least one positioning contact, and the positioning contact is located on the drive bracket; wherein the positioning contact is configured to touch the positioning device during the movement of the drive bracket. For example, in this utility model, the drive bracket has two positioning contacts, and the two positioning contacts are:

[0022] A first positioning contact point is located at an upper end of the driving bracket and is configured to touch the positioning device during the movement of the driving bracket;

[0023] The second positioning contact is located at the lower end of the driving bracket and is configured to touch the positioning device during the movement of the driving bracket.

[0024] As an improvement, in the utility model, the seal driving mechanism further comprises a sliding bearing for locking the driving bracket and cooperating with the driving bracket to move up and down.

[0025] As a further improvement, in the utility model, the seal driving mechanism also includes a sliding ball that cooperates with the driving bracket to move up and down, and the sliding ball is located between the inner side wall of the shell assembly and the driving bracket.

[0026] As an improvement, in the seal driving mechanism, the housing assembly is provided with a wiring hole for the connection wire to pass through, and the wiring hole is communicated with the inner side of the housing assembly.

[0027] Furthermore, in the seal driving mechanism, a rotating arm is provided on the side wall of the shell assembly to cooperate with the shell assembly to realize upside down flipping.

[0028] Furthermore, in the seal driving mechanism, the wiring hole is formed in the rotating arm.

[0029] The technical solution adopted by the utility model to solve the second technical problem is: a seal device, characterized in that any one of the seal driving mechanisms described is applied.

[0030] Compared with the prior art, the advantages of the utility model are: in the seal driving mechanism of the utility model, by adding a driving bracket, a driving device for driving the driving bracket to move forward and reverse, a positioning device for detecting the forward and reverse displacement of the driving bracket, and a seal carrier elastically connected to the driving bracket, the seal body is mounted on the lower end of the seal carrier, and then a seal surface pressure sensing device elastically connected to the seal carrier is provided, so that the forward drive or reverse drive of the driving device is controlled based on the detection results of the positioning device and the seal surface pressure sensing device, so as to realize automatic retraction of the seal body after the stamping action is completed, thereby avoiding the risk of the seal body not being automatically retracted after the stamping action is completed and being stamped multiple times. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a structural schematic diagram of the seal driving mechanism in the embodiment of the utility model;

[0032] Figure 2 for Figure 1 The bottom structural diagram of the seal driving mechanism shown;

[0033] Figure 3 for Figure 1 A schematic diagram of a state in which the first housing in the seal driving mechanism is disassembled;

[0034] Figure 4 for Figure 1 The schematic diagram of the structure decomposition of the seal driving mechanism after removing the housing assembly is shown;

[0035] Figure 5 is a schematic structural diagram of the first shell;

[0036] Figure 6 is a schematic diagram of the bottom structure of the second shell;

[0037] Figure 7 It is a schematic diagram of the structure of the seal device in the embodiment of the utility model;

[0038] Figure 8 for Figure 7 Schematic diagram of the structural breakdown of the seal device shown. DETAILED DESCRIPTION

[0039] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0040] This embodiment provides a seal driving mechanism with the function of automatically driving the seal body to extend and retract. Figures 1 to 6 As shown, the seal driving mechanism of this embodiment includes a housing assembly 1, a driving device 2, a driving bracket 3, a positioning device 4, a seal body 6 and a seal surface pressing sensing device 7. Among them:

[0041] The housing assembly 1 has a seal outlet 10 for the seal body 6 to pass through when extending or retracting. The driving device 2 is located in the housing assembly 1, and the driving device 2 generates a forward driving force and a reverse driving force under the control of a preset controller. The preset controller here can be set on the seal driving mechanism or outside the seal driving mechanism.

[0042] The driving bracket 3 is located in the housing assembly 1 and is in driving connection with the driving device 2, and the driving bracket 3 is configured to receive the positive driving force generated by the driving device 2 to generate a positive movement toward the chapter outlet 10 and receive the reverse driving force generated by the driving device 2 to generate a reverse movement away from the chapter outlet 10; wherein, in this embodiment, the positive movement of the driving bracket is the movement direction from the inner side of the housing assembly toward the outer side of the chapter outlet, and correspondingly, the reverse movement of the driving bracket is the movement direction from the outer side of the chapter outlet toward the inner side of the housing assembly;

[0043] The positioning device 4 is located in the housing assembly 1 and is configured to detect the forward movement displacement and the reverse movement displacement of the driving bracket 3 in the housing assembly 1, and send the detected movement displacement to the preset controller;

[0044] The seal carrier 5 is located in the housing assembly 1, the upper end of the seal carrier 5 is elastically connected to the driving bracket 3, and the seal body 6 is mounted on the lower end of the seal carrier 5; the seal surface pressing sensing device 7 is located in the housing assembly 1 and is arranged between the driving bracket 3 and the upper end of the seal carrier 5, and the seal surface pressing sensing device 7 is configured to detect the pressure on the seal surface 61 of the seal body 6 and send the detected pressure data to the preset controller. For example, the seal surface pressing sensing device 7 and the seal carrier 5 are elastically connected. For example, the seal surface pressing sensing device 7 is elastically connected to the seal carrier 5 through the elastic member 8. In this way, when stamping, the seal carrier 5 will touch the seal surface pressing sensing device 7 through the elastic member 8, so that the seal surface pressing sensing device 7 detects that the seal surface of the seal body 6 has been subjected to pressure.

[0045] Specifically in this embodiment, the housing assembly 1 here includes a first housing 11 and a second housing 12, the first housing 11 has a first accommodating cavity 110, the second housing 12 is located at the lower end of the first housing 11, the second housing 12 is assembled with the first housing 11, and the upper end of the second housing 12 and the first accommodating cavity 110 form a cavity for placing the driving device 2, the driving bracket 3, the positioning device 4, the seal carrier 5 and the seal surface pressing sensing device 7, and the seal outlet 10 is located at the lower end of the second housing 12. The second housing 12 here has a second accommodating cavity 120 located at its lower end, and the second accommodating cavity 120 forms the seal outlet 10. According to actual needs, the first housing 11 and the second housing 12 of this embodiment can be assembled together in a detachable manner, or of course, an integrated structural design can be adopted.

[0046] For details about the drive bracket, see Figure 3 and Figure 4As shown, the driving bracket 3 of this embodiment includes an upper end 3a and a lower end 3b, the driving device 2 and the upper end 3a of the driving bracket 3 are both located in the first accommodation cavity 110 of the first shell 11, and the seal carrier 5, the seal body 6 and the lower end 3b of the driving bracket 3 are all located in the second accommodation cavity 120 of the second shell 12. According to actual needs, the driving bracket 3 in this embodiment is designed as an L-shape as a whole, the upper end 3a of the driving bracket 3 is vertical, and the lower end 3b of the driving bracket 3 is a horizontally arranged disc.

[0047] As for the drive device, see Figure 3 and Figure 6 As shown, the driving device 2 includes a motor 21 and a gear 23, wherein the motor 21 has a front worm gear 22, the gear 23 is rearwardly arranged relative to the worm gear 22 and is arranged on the worm shaft of the worm gear 22, and the motor 21 is fixed to the lower end 3b of the driving bracket 3 by a fastener 24. The driving bracket 3 has a meshing structure 3c that meshes with the gear 23. The motor drives the worm gear to rotate, and then drives the driving bracket to move up and down through the gear, thereby achieving the purpose of controlling the driving bracket to move up and down, and then achieving the effect of driving the seal body to extend or retract from the seal outlet. In addition, by placing the worm gear in front and placing the motor and gear in the rear, it can effectively prevent the motor gear from reversing due to the reaction force of the driving bracket when stamping, and at the same time, the front worm gear can also effectively protect the gear to avoid the gear from being damaged by the reaction force when stamping.

[0048] In order to make the driving bracket more stably drive the seal carrier to move up and down, in this embodiment, the upper end 3a of the driving bracket 3 includes a first bracket 31 and a second bracket 32, and the left side and the right side of the first bracket 31 are formed with the above-mentioned meshing structure 3c, and the first bracket 31 and the second bracket 32 ​​form a limited space for the movement of the gear 23. At the same time, the driving device 2 has a gear 23 that meshes with the meshing structure 3c on the left side of the first bracket 31 and another gear 23 that meshes with the meshing structure 3c on the right side of the first bracket 31.

[0049] As a method for implementing the detection of the positive and reverse displacement of the driving bracket by the positioning device, see Figure 3 and Figure 6As shown, the driving bracket 3 of this embodiment includes a first positioning contact 301 and a second positioning contact 302. The first positioning contact 301 is located at the upper end 3a of the driving bracket 3, and the first positioning contact 301 is configured to touch the positioning device 4 during the movement of the driving bracket 3; the second positioning contact 302 is located at the lower end 3b of the driving bracket 3, and the second positioning contact 302 is configured to touch the positioning device 4 during the movement of the driving bracket 3. In this way, when the driving bracket moves in the positive direction from the inside of the shell assembly toward the outside of the chapter outlet, the second positioning contact 302 located at the lower end 3b of the driving bracket 3 will be first detected by the positioning device 4, and the first positioning contact 301 located at the upper end 3a of the driving bracket 3 will be detected by the positioning device 4 last. When the driving bracket moves in the reverse direction, the first positioning contact 301 will be first detected by the positioning device 4, and the second positioning contact 302 will be detected by the positioning device 4 last. In this way, the moving direction of the driving bracket can be known according to the order in which each positioning contact is detected. By setting the positions of the first positioning contact 301 and the second positioning contact 302 on the driving bracket 3 respectively, when the driving bracket moves in the forward direction, when the positioning device 4 finally detects the first positioning contact 301, the seal body mounted on the lower end of the driving bracket is just extended to the outside of the seal outlet and can be stamped; when the driving bracket moves in the reverse direction, when the positioning device 4 finally detects the second positioning contact 302, the seal body mounted on the lower end of the driving bracket is just recovered from the outside of the seal outlet to the inside of the shell assembly and cannot be stamped externally.

[0050] In order to reduce the sliding friction of the driving bracket during the up and down movement, the seal driving mechanism of this embodiment further includes a sliding bearing 33 for positioning the driving bracket 3 and cooperating with the up and down movement of the driving bracket 3. The seal driving mechanism here has two symmetrically arranged sliding bearings.

[0051] In order to reduce the friction between the driving bracket and the inner wall of the housing assembly during the up and down movement, the seal driving mechanism of this embodiment further includes a sliding ball 34 that cooperates with the up and down movement of the driving bracket 3, and the sliding ball 34 is located between the inner wall of the housing assembly 1 and the driving bracket 3. Specifically, a placement hole 30 for placing a rolling ball and cooperating with the rolling ball can be formed at the lower end of the driving bracket.

[0052] Considering the need to facilitate the wiring of the functional components in the housing assembly, in this embodiment, the housing assembly 1 is provided with a wiring hole 13 for the connection wire to pass through, and the wiring hole 13 is connected to the inner side of the housing assembly 1. In this way, the connection wires such as the signal wire or the power wire can be connected to the inner side of the housing assembly through the wiring hole and connected to the corresponding functional components (such as the driving device 2, the positioning device 4 or the seal face pressing sensing device 7).

[0053] In order to satisfy the upside-down flipping of the shell assembly, so as to change the stamping surface of the seal body in the shell assembly which originally faced the upper side of the shell assembly to face the lower side of the shell assembly, and thus complete the stamping action of the seal body on the material below the shell assembly, in the seal driving mechanism of this embodiment, a rotating arm 14 is provided on the side wall of the shell assembly 1 for cooperating with the shell assembly to realize the upside-down flipping.

[0054] In order to achieve the stability of the housing assembly turning upside down, in this embodiment, the left wall of the housing assembly 1 has a rotating arm 14, and the right wall of the housing assembly 1 also has a rotating arm 14. For example, the rotating arm 14 here is assembled by a first half rotating arm 141 located on the first housing 11 and a second half rotating arm 142 located on the second housing 12. Of course, in order to facilitate wiring, each rotating arm 14 is formed with the above-mentioned wiring hole 13.

[0055] This embodiment also provides a seal device using the seal drive mechanism. Figure 4 and 5 As shown, the seal device of this embodiment includes an upper shell 91, a lower shell 92 and a pressing structure 93 that applies a driving force to the rotating arm 14. The upper shell 91 and the lower shell 92 are assembled together. The lower shell 92 has a rotating guide rail 94 that cooperates with the rotating arm 14 to achieve the upside-down flipping of the shell assembly. The pressing structure 93 contacts the rotating arm 14 through a pressing rod 931 fastened thereto. Among them, the pressing structure 93, the seal driving mechanism of this embodiment and the rotating guide rail 94 are all located in the space formed after the upper shell 91 and the lower shell 92 are assembled.

[0056] The following combination Figures 1 to 6 , the working principle of the seal driving mechanism in this embodiment is explained:

[0057] When stamping is required, manual pressure is applied to the pressing structure, and the pressing structure further applies a driving force to the rotating arm on the housing assembly of the seal driving mechanism to make it move with the rotating guide rail; the driving device of the driving mechanism generates a positive driving force under the control of the preset controller to drive the driving bracket of this embodiment to produce a positive movement toward the seal outlet, and the positioning device first detects the second positioning contact and then detects the first positioning contact, and the positioning device sends the detected structure to the preset controller; the positively moving driving bracket drives the seal carrier 5 to move toward the outer side of the seal outlet of the housing assembly The seal body 6 moves until the stamping surface of the seal body 6 moves to the outside of the seal outlet of the housing assembly; at this time, the housing assembly is just turned upside down under the cooperation of its rotating arm and the rotating guide rail, and the stamping surface of the seal body moves to the outside of the seal body outlet of the lower housing of the seal device, so that the stamping action can be performed; because the stamping surface of the seal body touches the material to be stamped, the seal carrier 5 at this time will detect the pressure of the material to be stamped on the stamping surface of the seal body because it is elastically connected to the seal surface pressing sensing device 7, and then after sending the pressure detection result to the preset controller, it is judged that a stamping action is completed;

[0058] Then, the driving device generates a reverse driving force under the control of the preset controller, so that the driving bracket drives the seal carrier to move toward the inner side of the seal outlet of the shell assembly, and the positioning device first detects the first positioning contact and then detects the second positioning contact. The positioning device sends the contact detection result to the preset controller, so that the preset controller determines that the seal body has been successfully recovered to the inner side of the seal outlet. After the preset controller determines that one stamping has been completed, even if the seal device continues to apply pressure manually, the preset controller will control the driving device to generate a reverse driving force to drive the driving bracket to move toward the inner side of the seal outlet, thereby automatically recovering the seal body from the outer side of the seal outlet to the inner side of the shell assembly, avoiding the risk of the seal body not being automatically recovered and being stamped multiple times.

[0059] Although the preferred embodiments of the present invention are described in detail above, it should be clearly understood that the present invention may be modified and varied by those skilled in the art. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A seal driving mechanism, comprising a housing assembly (1) having a seal outlet (10), characterized in that: Also includes: The driving device (2) is located in the housing assembly (1) and generates a forward driving force and a reverse driving force under the control of a preset controller; The driving bracket (3) is located in the housing assembly (1) and is drivingly connected to the driving device (2), and is configured to receive a positive driving force generated by the driving device (2) to generate a positive movement toward the chapter outlet (10) and to receive a reverse driving force generated by the driving device (2) to generate a reverse movement away from the chapter outlet (10); A positioning device (4), located in the housing assembly (1), is configured to detect a forward movement displacement and a reverse movement displacement of the driving bracket (3) in the housing assembly (1), and to send the detected movement displacement to a preset controller; A seal carrier (5) is located in the housing assembly (1), the upper end of the seal carrier (5) is elastically connected to the driving bracket (3), and the lower end of the seal carrier (5) is mounted with a seal body (6); The seal surface pressure sensing device (7) is located in the housing assembly (1) and is arranged between the driving bracket (3) and the upper end of the seal carrier (5), and is configured to detect the pressure exerted on the seal surface of the seal body (6) and send the detected pressure data to a preset controller.

2. The seal driving mechanism according to claim 1, characterized in that: The housing assembly (1) comprises: A first housing (11) having a first accommodating cavity (110); The second shell (12) is located at the lower end of the first shell (11), and the second shell (12) and the first shell (11) are assembled and matched to form a cavity for placing the driving device (2), the driving bracket (3), the positioning device (4), the seal carrier (5) and the seal surface pressing sensing device (7) by the second shell (12) and the first accommodating cavity (110), and the seal outlet (10) is located at the lower end of the second shell (12).

3. The seal driving mechanism according to claim 2, characterized in that: The driving bracket (3) comprises an upper end (3a) and a lower end (3b); the driving device (2) and the upper end (3a) of the driving bracket (3) are both located in a first accommodating cavity (110) of the first shell (11); the second shell (12) has a second accommodating cavity (120) located at its lower end, the second accommodating cavity (120) forming the seal outlet (10); the seal carrier (5), the seal body (6) and the lower end (3b) of the driving bracket (3) are all located in the second accommodating cavity (120) of the second shell (12).

4. The seal driving mechanism according to claim 1, characterized in that: The driving device (2) comprises: A motor (21) having a front worm gear (22); A gear (23) is arranged rearwardly relative to the worm gear (22) and is disposed on the worm gear shaft of the worm gear (22); Wherein, the driving bracket (3) has an engagement structure (31) that meshes with the gear (23).

5. The seal driving mechanism according to claim 1, characterized in that: The driving support (3) comprises at least one positioning contact, which is located on the driving support (3); wherein the positioning contact is configured to touch the positioning device (4) during the movement of the driving support (3).

6. The seal driving mechanism according to claim 1, characterized in that: It also includes a sliding bearing (33) for locking the driving bracket (3) and cooperating with the driving bracket (3) to move up and down.

7. The seal driving mechanism according to claim 1, characterized in that: It also includes a sliding ball (34) that cooperates with the driving bracket (3) to move up and down, and the sliding ball (34) is located between the inner side wall of the housing component (1) and the driving bracket (3).

8. The seal driving mechanism according to any one of claims 1 to 7, characterized in that: The housing assembly (1) is provided with a wiring hole (13) for the connection wire to pass through, and the wiring hole (13) is communicated with the inner side of the housing assembly (1).

9. The seal driving mechanism according to claim 8, characterized in that: A rotating arm (14) is provided on the side wall of the housing assembly (1) for cooperating with the housing assembly to achieve upside-down flipping.

10. The seal driving mechanism according to claim 9, characterized in that: The wiring hole (13) is formed in the rotating arm (14).

11. A stamp device, characterized in that: The seal driving mechanism according to any one of claims 1 to 10 is used.

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