A device for automatically locking or releasing a fixture cover

Abstract

The present invention discloses an automatic locking or releasing jig cover plate device, including: an automatic locking or releasing cover plate mechanism, a cover plate pressing mechanism opposite to the automatic locking or releasing cover plate mechanism; the automatic locking or releasing cover plate mechanism includes a 40th support frame, a 40th Z-axis driving assembly arranged on the 40th support frame, a mold handle clamping and rotating mechanism arranged on the 40th support frame and placed below the 40th Z-axis driving assembly, two 40th rotating mechanisms arranged at the output end of the 40th Z-axis driving assembly, a 40th variable pitch assembly arranged at the output end of each 40th rotating mechanism, and a mechanical clamp arranged on the 40th variable pitch assembly. The present invention replaces manual operation with machinery, saves time and effort, has high work efficiency, saves labor costs, can release or lock the mold cover plate, is convenient and practical; the 40th variable pitch assembly occupies less space, has high stability, reduces manufacturing costs, and has high speed; the design of the 40th buffer support rod can effectively buffer the impact of moving parts and affect the service life.

Description

Technical Field

[0001] The present invention relates to the technical field of automation equipment, and in particular to a device for automatically locking or releasing a fixture cover. Background Art

[0002] With the rapid development of automation technology, the application scope of automated production equipment in different fields is gradually deepening. In order to improve the traditional single production mode, more and more automated equipment is used in traditional manufacturing. At present, when the upper fixture cover is loosened or locked manually, it is time-consuming and labor-intensive, with low work efficiency and high labor costs. Summary of the invention

[0003] In view of the problems existing in the prior art, the present invention provides a device for automatically locking or releasing a fixture cover.

[0004] In order to achieve the above object, the technical solution of the present invention is as follows:

[0005] An automatic locking or releasing jig cover device comprises: an automatic locking or releasing cover mechanism, and a cover pressing mechanism opposite to the automatic locking or releasing cover mechanism;

[0006] The automatic locking or releasing cover plate mechanism comprises a 40th support frame, a 40th Z-axis driving assembly arranged on the 40th support frame, a mold handle clamping and rotating mechanism arranged on the 40th support frame and placed below the 40th Z-axis driving assembly, two 40th rotating mechanisms arranged at the output end of the 40th Z-axis driving assembly, a 40th variable pitch assembly arranged at the output end of each 40th rotating mechanism, and a mechanical clamp arranged on the 40th variable pitch assembly;

[0007] The mold handle clamping and rotating mechanism comprises a 40th driving module, two 41st rotating mechanisms arranged at the output end of the 40th driving module, and a 40th clamping and rotating hand arranged at the output end of each 41st rotating mechanism;

[0008] The mechanical clamp includes a 40th driving mechanism, a 40th sliding assembly, a 40th lifting assembly arranged at the output end of the 40th driving mechanism, a 40th left cam plate and a 40th right cam plate arranged on the 40th lifting assembly, and two 40th clamping claws arranged on the 40th left cam plate and the 40th right cam plate; the 40th left cam plate and the 40th right cam plate are respectively slidably connected to the 40th sliding assembly.

[0009] Preferably, the 40th Z-axis driving assembly includes a 40th Z-axis driving cylinder, a 41st sliding assembly, a 40th sliding plate arranged on the 41st sliding assembly, a 40th buffer plate installed on the 40th sliding plate, and two 40th buffer mechanisms arranged at the upper and lower ends of the 40th buffer plate.

[0010] Preferably, each of the fortieth rotating mechanisms comprises a fortieth rotating cylinder and a fortieth mounting seat arranged below the fortieth rotating cylinder; the fortieth rotating cylinder and the fortieth mounting seat are both mounted on a fortieth sliding plate.

[0011] Preferably, the fortieth variable pitch assembly includes a fortieth track plate, a forty-second sliding assembly, a fortieth rotating plate, a forty bearing, and a forty-third sliding assembly; the fortieth track plate is installed on the upper end of the fortieth mounting seat; the forty-second sliding assembly is installed on the lower end of the fortieth mounting seat; fortieth cam slots are opened on both sides of the fortieth track plate; one end of the fortieth rotating plate is arranged at the output end of the fortieth rotating cylinder, and the other end is arranged at the fortieth cam slot through the fortieth bearing; the forty-third sliding assembly is slidably connected to the forty-second sliding assembly and is installed on the fortieth bearing.

[0012] Preferably, the mechanical clamp is arranged on a forty-third sliding assembly; the fortieth driving mechanism is arranged as a fortieth driving cylinder; and the fortieth lifting assembly is arranged as a fortieth lifting plate.

[0013] Preferably, the cover plate clamping mechanism includes a 40th support seat, a 41st driving cylinder and a 45th sliding assembly arranged on the 40th support seat, and a 40th pressure block slidably connected to the 45th sliding assembly; the output end of the 41st driving cylinder is connected to the 40th pressure block.

[0014] Preferably, the fortieth driving module includes a forty-second driving cylinder, two relatively arranged forty-sixth sliding assemblies, a forty sliding seat slidably connected to the two forty-sixth sliding assemblies, two forty-first buffer mechanisms arranged on the forty sliding seat, a forty limit block opposite to each forty-first buffer mechanism, and a forty-second buffer mechanism arranged on both sides of the forty-second driving cylinder and opposite to the forty sliding seat; the output end of the forty-second driving cylinder is connected to the forty sliding seat.

[0015] Preferably, the forty-first rotating mechanism is configured as a forty-first rotating cylinder, and the forty-first rotating cylinder is disposed on the forty sliding seat.

[0016] Preferably, the 40th sliding assembly, the 41st sliding assembly, the 42nd sliding assembly, the 43rd sliding assembly, the 45th sliding assembly and the 46th sliding assembly all include a sliding track and a small sliding block arranged on the sliding track.

[0017] Preferably, the two fortieth buffer mechanisms, the two forty-first buffer mechanisms, and the two forty-second buffer mechanisms are all configured as fortieth buffer support rods.

[0018] The technical solution of the present invention has the following beneficial effects: the present invention replaces manual operation with machinery, which saves time and effort, has high work efficiency, saves labor costs, and can loosen or lock the mold cover, which is convenient and practical; the fortieth variable pitch component occupies a small space, has high stability, reduces manufacturing costs, and has a high speed; the fortieth buffer support rod design can effectively buffer the impact of moving parts and affect the service life; the design of the cover clamping mechanism facilitates the operation of loosening or locking the cover, which is convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention;

[0020] Figure 2 It is a rear view of the structure of the present invention;

[0021] Figure 3 The structure diagram of the automatic locking or releasing cover mechanism of the present invention is shown in FIG. Figure 1 ;

[0022] Figure 4 The structure diagram of the automatic locking or releasing cover mechanism of the present invention is shown in FIG. Figure 2 ;

[0023] Figure 5 It is a partial structural schematic diagram of the automatic locking or releasing cover plate mechanism of the present invention;

[0024] Figure 6 It is a partial structural schematic diagram of the mold handle clamping and rotating mechanism of the present invention;

[0025] Figure 7 This is a schematic diagram of the structure of the cover plate pressing mechanism of the present invention;

[0026] In the figure: the 40th Z-axis driving assembly 681, the 40th Z-axis driving cylinder 681a, the 41st sliding assembly 681b, the 40th sliding plate 681c, the 40th buffer plate 681d, two 40th buffer mechanisms 681e, two 40th rotating mechanisms 682, the 40th rotating cylinder 682a, the 40th mounting seat 682b,

[0027] the 40th variable pitch assembly 683, the 40th track plate 683a, the 42nd sliding assembly 683b, the 40th rotating plate 683c, the 40th bearing 683d, the 43rd sliding assembly 683e,

[0028] Mechanical clamp 684, a fortieth driving mechanism 684a, a fortieth sliding assembly 684b, a fortieth lifting assembly 684c, a fortieth left cam plate and a fortieth right cam plate 684d, two fortieth clamping claws 684e,

[0029] The mold handle clamping and rotating mechanism 685, the 42nd driving cylinder 685a, the 46th sliding assembly 685b, the 40th sliding seat 685c, the two 41st buffer mechanisms 685d, the 40th limit block 68e, the 41st rotating mechanism 685f, the 40th clamping and rotating hand 685g, the 42nd buffer mechanism 685h, the cover plate clamping mechanism 686, the 40th support seat 686a, the upper part of the 40th support seat 686a, the 41st driving cylinder 686b and the 45th sliding assembly 686c, the 40th pressure block 686d, and the 40th support frame 687. DETAILED DESCRIPTION

[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present invention, unless otherwise clearly specified and limited, a first feature is “on” or “below” a second feature.

[0035] “Under” may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature being “above”, “above”, and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being “under”, “below”, and “below” the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0036] Reference Figures 1 to 7 , the present invention provides an automatic locking or releasing jig cover device, comprising: an automatic locking or releasing cover mechanism, and a cover pressing mechanism 686 opposite to the automatic locking or releasing cover mechanism;

[0037] The automatic locking or releasing cover plate mechanism comprises a 40th support frame 687, a 40th Z-axis driving assembly 681 arranged on the 40th support frame 687, a mold handle clamping and rotating mechanism 685 arranged on the 40th support frame 687 and placed below the 40th Z-axis driving assembly 681, two 40th rotating mechanisms 682 arranged at the output end of the 40th Z-axis driving assembly 681, a 40th variable pitch assembly 683 arranged at the output end of each 40th rotating mechanism 682, and a mechanical clamp 684 arranged on the 40th variable pitch assembly 683; the mold handle clamping and rotating mechanism 685 comprises a 40th driving module, two 40th rotating mechanisms 682 arranged at the output end of the 40th Z-axis driving assembly 681, and a mechanical clamp 684 arranged on the 40th variable pitch assembly 683. An eleventh rotating mechanism 685f, and a fortieth clamping hand 685g arranged at the output end of each forty-first rotating mechanism 685f; the mechanical clamp 684 includes a fortieth driving mechanism 684a, a fortieth sliding assembly 684b, a fortieth lifting assembly 684c arranged at the output end of the fortieth driving mechanism 684a, a fortieth left cam plate and a fortieth right cam plate 684d arranged on the fortieth lifting assembly 684c, and two fortieth clamping claws 684e arranged on the fortieth left cam plate and the fortieth right cam plate 684d; the fortieth left cam plate and the fortieth right cam plate 684d are respectively slidably connected to the fortieth sliding assembly 684b.

[0038] Reference Figures 2 to 5In this embodiment, the 40th Z-axis driving cylinder 681a is installed on the top plate of the 40th support frame 687, the 41st sliding assembly 681b is 2, which are installed on both sides of the 40th support frame 687 and placed below the 40th Z-axis driving cylinder 681a, the 41st sliding assembly 681b includes a 41st sliding rail, and two 41st sliding blocks arranged on the 41st sliding rail, and the 40th sliding plate 681c is installed on the 41st sliding block. The working principle of the 40th Z-axis driving assembly 681 is as follows: the 40th Z-axis driving cylinder 681a drives the 40th sliding plate 681c to move up and down along the 41st sliding assembly 681b, thereby driving the two 40th rotating mechanisms 6 installed on the 40th sliding plate 681c 82 movement, the design of the two fortieth buffer mechanisms 681e plays a buffering role; the fortieth Z-axis driving assembly 681 includes a fortieth Z-axis driving cylinder 681a, a forty-first sliding assembly 681b, a fortieth sliding plate 681c arranged on the forty-first sliding assembly 681b, a fortieth buffer plate 681d installed at the end of the fortieth sliding plate 681c, and two fortieth buffer mechanisms 681e arranged at the upper and lower ends of the fortieth buffer plate 681d; the two fortieth buffer mechanisms 681e are configured as fortieth buffer support rods, one of which is installed on the top plate of the fortieth support frame 687, and the other fortieth buffer support rod 681e is arranged on the fortieth support frame 687 through a connecting plate, and the two fortieth buffer support rods are arranged opposite to each other.

[0039] Reference Figures 3 to 5In this embodiment, two fortieth rotating cylinders 682a are arranged side by side. When the fortieth rotating cylinder 682a is driven, it drives the fortieth rotating plate 683c to rotate along the fortieth cam slot, thereby driving the forty-third sliding assembly 683e to move, thereby driving the mechanical clip 684 installed on the forty-third sliding assembly 683e to move; each of the fortieth rotating mechanisms 682 includes a fortieth rotating cylinder 682a and a fortieth mounting seat 682b arranged below the fortieth rotating cylinder 682a; the fortieth rotating cylinder 682a and the fortieth mounting seat 682b are both installed on the fortieth sliding plate 681c. In this embodiment, the forty-second sliding assembly 683b includes a forty-second sliding track and two forty-second sliding blocks arranged on the forty-second sliding track; the forty-third sliding assembly 683e includes a forty-third sliding track and two forty-third sliding blocks arranged on the forty-third sliding track, the forty-second sliding track is installed on the fortieth mounting seat 682b, and the two forty-third sliding blocks are arranged on the two forty-second sliding blocks through a fixing plate; the fortieth variable pitch assembly 683 includes a fortieth track plate 683a, a forty-second sliding assembly 683b, a fortyth rotating plate 683c, a forty-second rotating plate 683d, a forty-second rotating plate 683e ... Forty bearings 683d and a forty-third sliding assembly 683e; the forty-second track plate 683a is mounted on the upper end of the fortieth mounting seat 682b; the forty-second sliding assembly 683b is mounted on the lower end of the fortieth mounting seat 682b; forty cam slots are provided on both sides of the fortieth track plate 683a; one end of the fortieth rotating plate 683c is arranged at the output end of the fortieth rotating cylinder 682a, and the other end is arranged at the fortieth cam slot through the fortieth bearing 683d; the forty-third sliding assembly 683e is slidably connected with the forty-second sliding assembly 683b and is mounted on the fortieth bearing.

[0040] Reference Figures 3 to 5In this embodiment, the 40th driving mechanism 684a is installed on the 43rd sliding track through the mounting plate, the first sliding track of the 40th sliding assembly 684b is installed on the bottom of the mounting plate, the 40th left cam plate and the 40th right cam plate 684d are installed on the 40th lifting assembly 684c through the shaft rod, and the 40th left cam plate and the 40th right cam plate 684d are both provided with cam groove openings, and the corresponding shaft rods are arranged in the cam groove openings; the working principle of the mechanical clip 684: the 40th driving cylinder drives the 40th lifting assembly 684c to move along the cam groove opening, thereby driving the 40th The fortieth left cam plate and the fortieth right cam plate 684d move on the fortieth sliding assembly 684b, thereby driving the two fortieth clamps 684e to move to grasp the handle 400 of the mold (the handle 400 is foldable) and lock or release the fixture cover; the mechanical clamp 684 is set on the forty-third sliding assembly 683e; the fortieth driving mechanism 684a is set as the fortieth driving cylinder; the fortieth lifting assembly 684c is set as the fortieth lifting plate; the fortieth sliding assembly 684b includes a first sliding rail, and two first sliding blocks arranged on the first sliding rail.

[0041] Reference Figure 2 , Figure 6 In this embodiment, the forty-sixth sliding assembly 685b includes a forty-sixth sliding track and a forty-sixth sliding block arranged on the forty-sixth sliding track. The two forty-sixth sliding assemblies 685b and the two forty-limiting blocks 68e are both installed on the forty-sixth support frame 687; the working principle of the mold handle clamping and rotating mechanism 685 is as follows: the forty-second driving cylinder 685a drives the forty-sixth sliding seat 685c to move along the forty-sixth sliding assembly 685b, thereby driving the forty-first rotating mechanism 685f installed on the forty-sixth sliding seat 685c to move. When it moves to the 400th position of the fixture handle, the forty-first rotating mechanism 685f drives to drive the forty-first clamping and rotating handle 685g flattens the jig handle 400; the 40th driving module comprises a 42nd driving cylinder 685a, two 46th sliding assemblies 685b arranged opposite to each other, a 40th sliding seat 685c slidably connected to the two 46th sliding assemblies 685b, two 41st buffer mechanisms 685d arranged on the 40th sliding seat 685c, a 40th limit stopper 68e opposite to each 41st buffer mechanism 685d, and a 42nd buffer mechanism 685h arranged on both sides of the 42nd driving cylinder 685a and opposite to the 40th sliding seat 685c; the output end of the 42nd driving cylinder 685a is connected to the 40th sliding seat 685c. The two 41st buffer mechanisms 685d and the two 42nd buffer mechanisms 685h are both set as 40th buffer support rods; the 41st rotating mechanism 685f is set as a 41st rotating cylinder, and the 41st rotating cylinder is set on the 40th sliding seat 685c.

[0042] Reference Figure 7 In this embodiment, the forty-first driving cylinder 686b is arranged on the top of the fortieth supporting seat 686a, the forty-fifth sliding assembly 686c is installed below the forty-first driving cylinder 686b, the fortieth pressing block 686d is slidably connected with the forty-fifth sliding block, and the working principle of the cover plate pressing mechanism 686 is as follows: the forty-first driving cylinder 686b drives the fortieth pressing block 686d to move along the forty-fifth sliding track of the forty-fifth sliding assembly 686c, and presses the lower fixture cover plate, so that the fortieth clamping claw 684e of the mechanical clamp 684 can clamp the handle 40 of the fixture. 0 Grasp to lock or release the fixture cover; the cover clamping mechanism 686 includes a 40th support seat 686a, a 41st driving cylinder 686b and a 45th sliding assembly 686c arranged on the 40th support seat 686a, and a 40th pressing block 686d slidably connected to the 45th sliding assembly 686c; the output end of the 41st driving cylinder 686b is connected to the 40th pressing block 686d; the 45th sliding assembly 686c includes a 45th sliding rail, and a 45th sliding block arranged on the 45th sliding rail.

[0043] The working principle of the present invention is as follows:

[0044] When working, the working principle of the 40th Z-axis driving assembly 681 is as follows: the 40th Z-axis driving cylinder 681a drives the 40th sliding plate 681c to move up and down along the 41st sliding assembly 681b, thereby driving the two 40th rotating mechanisms 682 installed on the 40th sliding plate 681c to move;

[0045] When the 40th rotating cylinder 682a of the 40th rotating mechanism 682 is driven, the 40th rotating plate 683c is driven to rotate along the 40th cam slot, thereby driving the 43rd sliding assembly 683e to move, thereby driving the mechanical clip 684 installed on the 43rd sliding assembly 683e to move;

[0046] Working principle of mechanical clamp 684: the 40th driving mechanism 684a drives the 40th lifting assembly 684c to move along the cam slot opening, thereby driving the 40th left cam plate and the 40th right cam plate 684d to move on the 40th sliding assembly 684b, and then driving the two 40th clamping claws 684e to move to grasp the handle 400 of the mold (the handle 400 is foldable), and lock or release the fixture cover;

[0047] The working principle of the cover plate pressing mechanism 686 is as follows: the 41st driving cylinder 686b drives the 40th pressing block 686d to move along the 45th sliding assembly 686c to press the lower jig cover plate, so that the 40th clamping claw 684e of the mechanical clamp 684 can grasp the handle 400 of the jig to lock or release the jig cover plate;

[0048] The working principle of the mold handle clamping and rotating mechanism 685 is: the forty-second driving cylinder 685a drives the forty-first sliding seat 685c to move along the forty-sixth sliding assembly 685b, thereby driving the forty-first rotating mechanism 685f installed on the fortieth sliding seat 685c to move. When it moves to the position of the fixture handle 400, the forty-first rotating mechanism 685f is driven to drive the fortieth clamping and rotating hand 685g to flatten the fixture handle 400.

[0049] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A device for automatically locking or releasing a fixture cover, characterized in that: include: An automatic cover locking or releasing mechanism, and a cover pressing mechanism opposite to the automatic cover locking or releasing mechanism; The automatic locking or releasing cover plate mechanism comprises a 40th support frame, a 40th Z-axis driving assembly arranged on the 40th support frame, a mold handle clamping and rotating mechanism arranged on the 40th support frame and placed below the 40th Z-axis driving assembly, two 40th rotating mechanisms arranged at the output end of the 40th Z-axis driving assembly, a 40th variable pitch assembly arranged at the output end of each 40th rotating mechanism, and a mechanical clamp arranged on the 40th variable pitch assembly; The mold handle clamping and rotating mechanism comprises a 40th driving module, two 41st rotating mechanisms arranged at the output end of the 40th driving module, and a 40th clamping and rotating hand arranged at the output end of each 41st rotating mechanism; The mechanical clamp comprises a 40th driving mechanism, a 40th sliding assembly, a 40th lifting assembly arranged at the output end of the 40th driving mechanism, a 40th left cam plate and a 40th right cam plate arranged on the 40th lifting assembly, and two 40th clamping claws arranged on the 40th left cam plate and the 40th right cam plate; the 40th left cam plate and the 40th right cam plate are respectively slidably connected with the 40th sliding assembly; The 40th Z-axis driving assembly includes a 40th Z-axis driving cylinder, a 41st sliding assembly, a 40th sliding plate arranged on the 41st sliding assembly, a 40th buffer plate installed on the 40th sliding plate, and two 40th buffer mechanisms arranged at the upper end and the lower end of the 40th buffer plate; Each of the 40th rotating mechanisms comprises a 40th rotating cylinder and a 40th mounting seat arranged below the 40th rotating cylinder; the 40th rotating cylinder and the 40th mounting seat are both mounted on a 40th sliding plate; The fortieth variable pitch assembly includes a fortieth track plate, a forty-second sliding assembly, a fortieth rotating plate, a fortieth bearing, and a forty-third sliding assembly; the fortieth track plate is mounted on the upper end of the fortieth mounting seat; the forty-second sliding assembly is mounted on the lower end of the fortieth mounting seat; fortieth cam slots are provided on both sides of the fortieth track plate; one end of the fortieth rotating plate is arranged at the output end of the fortieth rotating cylinder, and the other end is arranged at the fortieth cam slot through the fortieth bearing; the forty-third sliding assembly is slidably connected to the forty-second sliding assembly and is mounted on the fortieth bearing.

2. The automatic locking or releasing device for the jig cover according to claim 1, characterized in that: The mechanical clamp is arranged on the forty-third sliding assembly; the fortieth driving mechanism is arranged as the fortieth driving cylinder; the fortieth lifting assembly is arranged as the fortieth lifting plate.

3. The automatic locking or releasing device for the jig cover according to claim 2, characterized in that: The cover plate clamping mechanism includes a 40th support seat, a 41st driving cylinder and a 45th sliding assembly arranged on the 40th support seat, and a 40th pressing block slidably connected to the 45th sliding assembly; the output end of the 41st driving cylinder is connected to the 40th pressing block.

4. The automatic locking or releasing device for the jig cover according to claim 3, characterized in that: The 40th driving module includes a 42nd driving cylinder, two relatively arranged 46th sliding assemblies, a 40th sliding seat slidably connected to the two 46th sliding assemblies, two 41st buffer mechanisms arranged on the 40th sliding seat, a 40th limit stop block opposite to each 41st buffer mechanism, and a 42nd buffer mechanism arranged on both sides of the 42nd driving cylinder and opposite to the 40th sliding seat; the output end of the 42nd driving cylinder is connected to the 40th sliding seat.

5. The automatic locking or releasing device for the jig cover according to claim 4, characterized in that: The forty-first rotating mechanism is configured as a forty-first rotating cylinder, and the forty-first rotating cylinder is disposed on the forty sliding seat.

6. The automatic locking or releasing device for the jig cover according to claim 4, characterized in that: The 40th sliding assembly, the 41st sliding assembly, the 42nd sliding assembly, the 43rd sliding assembly, the 45th sliding assembly and the 46th sliding assembly all include a sliding track and a small sliding block arranged on the sliding track.

7. The automatic locking or releasing device for the jig cover according to claim 4, characterized in that: The two fortieth buffer mechanisms, the two forty-first buffer mechanisms, and the two forty-second buffer mechanisms are all configured as fortieth buffer support rods.

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