gripping device

Abstract

The application discloses a clamping device, comprising a panel, a clamping assembly and a driving member; the panel is provided with a plurality of groups of openings and accommodating cavities, and the openings and the accommodating cavities in each group are communicated with each other; the clamping assembly is provided with a plurality of groups and comprises a top pin arranged in the accommodating cavity and an elastic chuck, the top pin is fixedly connected with the panel, the elastic chuck is movably sleeved outside the top pin, the elastic chuck comprises a plurality of clamping petals which are distributed along a circumference, a plurality of slits which extend along an axial direction are formed between adjacent clamping petals, the slits pass through the elastic chuck and expose one end of the opening, an inner wall of the one end of the clamping petal exposed to the opening is provided with a protrusion along a radial direction, and an outer wall of the one end of the clamping petal exposed to the opening extends outward along the radial direction and is provided with a convex edge; and the driving member is used for driving the elastic chuck to move along the axial direction, so that the one end of the clamping petal exposed to the opening is close to or away from the panel, and the clamping petal can be expanded or folded along the radial direction, and a product can be clamped between the convex edge and the panel. The clamping device can clamp and fix upper and lower end faces of a hollow product.

Description

Technical Field

[0001] This application relates to the field of clamps, and more particularly to a clamping device. Background Technology

[0002] In related technologies, when processing hollow products, clamping is usually achieved using internal supports or pressure plate screws to hold the product in place, thus facilitating subsequent processing. However, when the inner wall of the hollow part of the product is thin, or the contact surface of the internal supports is small, clamping with internal supports can easily lead to product deformation, making this method unreliable. On the other hand, clamping with pressure plate screws is not only labor-intensive but also inefficient. Summary of the Invention

[0003] This invention aims to at least solve one of the technical problems existing in the prior art. To this end, this application proposes a clamping device capable of clamping and fixing the upper and lower end faces of a hollow product.

[0004] According to a first aspect of the present invention, a clamping device includes: a panel, a clamping assembly, and a driving member; the panel has a plurality of openings and receiving cavities, wherein the openings and receiving cavities in each group are interconnected; the clamping assembly has a plurality of groups and includes a top pin and an elastic clamp disposed in the receiving cavity, the top pin being fixedly connected to the panel, the elastic clamp being movably sleeved outside the top pin, the elastic clamp including a plurality of clamping petals distributed circumferentially, a plurality of axially extending slits being formed between adjacent clamping petals, the slits penetrating the elastic clamp and exposing one end of the opening, the inner wall of the clamping petal exposing the opening end having a radially extending protrusion, the protrusion abutting against the top pin to open the clamping petal, the outer wall of the clamping petal exposing the opening end having a radially extending flange; the driving member is used to drive the elastic clamp to move axially, so that the end of the clamping petal exposing the opening approaches or moves away from the panel, and so that the clamping petal can be radially opened or closed, so that the product can be clamped between the flange and the panel.

[0005] The clamping device according to embodiments of the present invention has at least the following advantages: The clamping device includes a panel, a clamping assembly, and a driving member. The panel has several sets of openings and receiving cavities, with each set of openings and receiving cavities communicating with each other. The clamping assembly includes a top pin and an elastic clamp, both disposed in the receiving cavities. The elastic clamp is sleeved outside the top pin, with one end of the elastic clamp protruding from the opening. The elastic clamp includes several clamping segments distributed circumferentially, with slits formed between adjacent segments. The slits penetrate the end of the elastic clamp protruding from the opening. The inner wall of the end of the clamping segment protruding from the opening has a radially arranged protrusion, and the outer wall of the end of the clamping segment protruding from the opening has a radially outwardly extending flange. Therefore, in the driving... During the axial movement of the flexible chuck driven by the moving part, when the end of the chuck protruding from the opening is away from the panel, the hollow product can pass through the chuck and be located between the panel and the flange. When the end of the chuck protruding from the opening is close to the panel, the protrusion on the inner wall of the chuck can abut against the top pin. There is also a slit at the end of the flexible chuck protruding from the opening, which allows the chuck to be pinned open, so that the outer diameter of the flange is larger than the inner diameter of the product. As the flange approaches the panel, the product is clamped between the flange and the panel. The product can then be processed by fixing the upper and lower end faces of the product. After processing, the flexible chuck moves away from the panel, so that the chuck closes and concentrates, allowing the product to be removed from the chuck.

[0006] According to some embodiments of the present invention, the end of the top pin near the protrusion is provided with a chamfer or a rounded corner.

[0007] According to some embodiments of the present invention, the protrusion is provided with a guide slope or guide surface that cooperates with the top pin.

[0008] According to some embodiments of the present invention, the clamping assembly further includes an elastic member and a movable member disposed along the depth direction of the receiving cavity. The movable member is sleeved outside the elastic clamp. Under the elastic force of the elastic member, the movable member can drive the elastic clamp to move in a direction opposite to the direction driven by the driving member to move the elastic clamp.

[0009] According to some embodiments of the present invention, the receiving cavity includes a first cavity and a second cavity extending from the opening away from the opening, the elastic clamp passing through the first cavity and the second cavity, the aperture of the second cavity being larger than the aperture of the first cavity, the elastic member and the movable member being disposed in the second cavity, the movable member being disposed on the side of the elastic member away from the first cavity, under the elastic force of the elastic member, the movable member being able to drive the elastic clamp to move, so that the protruding edge approaches the panel.

[0010] According to some embodiments of the present invention, the bottom of the panel is provided with a plurality of clearance openings communicating with the receiving cavity, the panel is provided with a bottom plate that closes the clearance openings, the bottom of the top pin is fixed to the bottom plate, and the bottom plate is provided with clearance holes communicating with the clearance openings.

[0011] According to some embodiments of the present invention, the output end of the driving member is connected to a top plate, and the top plate is provided with a plurality of push rods. Under the drive of the driving member, the top plate can drive the push rods to pass through the clearance hole and the clearance opening in sequence to lift the movable member.

[0012] According to some embodiments of the present invention, it further includes a worktable, the drive member being fixed to the worktable, and the panel being...

[0013] The panel is detached from the workbench, which is equipped with a positioning seat for positioning and fixing the panel.

[0014] According to some embodiments of the present invention, the positioning seat includes a positioning plate and two stops. The two stops are respectively disposed on the left and right sides of the upper surface of the positioning plate. The two opposite sides of the two stops are provided with an upper stop edge and a rear stop edge. The distance between the upper stop edge and the upper surface of the positioning plate is adapted to the height of the panel. The positioning plate is provided with a clearance position corresponding to the clearance hole.

[0015] According to some embodiments of the present invention, the movable part is provided with a clearance groove along the extension of the slit, so that the processing waste can be discharged after passing through the slit, the clearance groove, the clearance opening, the clearance hole and the clearance position in sequence.

[0016] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0018] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention;

[0019] Figure 2 This is a cross-sectional view of an embodiment of the present invention;

[0020] Figure 3 for Figure 2 A magnified view of a section at point A in the middle;

[0021] Figure 4 Another cross-sectional view of an embodiment of the present invention.

[0022] Figure 5 This is a schematic diagram of the clamping component in an embodiment of the present invention;

[0023] Figure 6 This is a schematic diagram of the structure of the worktable, drive unit, and positioning seat in an embodiment of the present invention;

[0024] Figure 7 This is a schematic diagram of the structure of the workbench, drive unit, top plate, and top rod in an embodiment of the present invention.

[0025] Figure label:

[0026] 100. Panel; 110. Opening; 120. Receiving cavity; 121. First cavity; 122. Second cavity; 130. Clearance opening;

[0027] 140. Handle;

[0028] 200 Clamping assembly; 210 Top pin; 220 Elastic chuck; 221 Clamping flap; 2211 Protrusion; 2212 Protruding edge;

[0029] 222. Slit; 230. Elastic component; 240. Moving component; 241. Clearance groove;

[0030] 300. Drive components;

[0031] 400, base plate; 410, clearance hole;

[0032] 500, Top plate; 510, Top rod;

[0033] 600, Positioning seat; 610, Positioning plate; 611, Clearance position; 620, Stop block; 621, Upper stop edge; 622, Rear stop edge; 700, Worktable; 710, Manual valve. Detailed Implementation

[0034] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0035] In the description of this application, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0036] In the description of this application, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0037] In the description of this application, unless otherwise expressly defined, terms such as "setup," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this application in conjunction with the specific content of the technical solution.

[0038] In the description of this application, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0039] The following is for reference. Figures 1 to 7 A clamping device according to an embodiment of the present invention is described.

[0040] like Figures 1 to 4 As shown, the clamping device according to an embodiment of the present invention includes: a panel 100, a clamping assembly 200, and a driving member 300; the panel 100 is provided with a plurality of sets of openings 110 and receiving cavities 120, and the openings 110 and receiving cavities 120 in each set are interconnected; the clamping assembly 200 is provided with a plurality of sets, and includes a top pin 210 and an elastic clamp 220 disposed in the receiving cavity 120, the top pin 210 being fixedly connected to the panel 100, the elastic clamp 220 being movably sleeved outside the top pin 210, the elastic clamp 220 including a plurality of clamping petals 221 distributed along the circumference, and a plurality of axially extending slits 221 being formed between adjacent clamping petals 221. 22. A slit 222 penetrates the elastic clamp 220, exposing one end of the opening 110. The inner wall of the clamping flap 221, which is exposed at the opening 110, is provided with a radial protrusion 2211. The protrusion 2211 can abut against the top pin 210 to open the clamping flap 221. The outer wall of the clamping flap 221, which is exposed at the opening 110, extends radially outward with a flange 2212. The driving member 300 is used to drive the elastic clamp 220 to move axially so that the end of the clamping flap 221 exposed at the opening 110 approaches or moves away from the panel 100, and so that the clamping flap 221 can be opened or closed radially, so that the product can be clamped between the flange 2212 and the panel 100.

[0041] Understandably, this clamping device includes a panel 100, a clamping assembly 200, and a driving member 300. The panel 100 has several sets of openings 110 and receiving cavities 120, with the openings 110 and receiving cavities 120 in each set communicating with each other. The clamping assembly 200 includes a top pin 210 and an elastic clamp 220. Both the top pin 210 and the elastic clamp 220 are located in the receiving cavity 120, and the elastic clamp 220 is sleeved outside the top pin 210. One end of the elastic chuck 220 protrudes from the opening 110. The elastic chuck 220 includes several circumferentially distributed clamping segments 221. A slit 222 is formed between adjacent clamping segments 221, penetrating the end of the elastic chuck 220 that protrudes from the opening 110. A protrusion 2211 is radially provided on the inner wall of the end of the clamping segment 221 that protrudes from the opening 110, and a flange 2212 extends radially outward from the outer wall of the end of the clamping segment 221 that protrudes from the opening 110. Therefore, in the driving member 300... During the axial movement of the drive elastic chuck 220, when the end of the clamping flap 221 protruding from the opening 110 is far away from the panel 100, the hollow product can pass through the clamping flap 221 and be located between the panel 100 and the protruding edge 2212. When the end of the clamping flap 221 protruding from the opening 110 is close to the panel 100, the protrusion 2211 on the inner wall of the clamping flap 221 can abut against the top pin 210. A slit 222 is provided at the end of the elastic chuck 220 protruding from the opening 110, so that the clamping flap 221 can be pinned open, thereby making the outer diameter of the protruding edge 2212 larger than the inner diameter of the product. As the protruding edge 2212 approaches the panel 100, the product is clamped between the protruding edge 2212 and the panel 100. Thus, by fixing the upper and lower end faces of the product, the product can be processed. After processing, the elastic chuck 220 is moved away from the panel 100, thereby causing the clamping flap 221 to close and concentrate, so that the product can be taken out from the clamping flap 221.

[0042] The clamping flap 221 can be set as one or more; when a clamping flap 221 is set, a slit 222 extending along the axial direction is provided in the clamping flap 221, which can also realize that when the protrusion 2211 approaches the top pin 210, the protrusion 2211 abuts against the top pin 210 and is opened.

[0043] It should be understood that the drive unit 300 can be directly connected to the elastic chuck 220, or it can be indirectly connected to the elastic chuck 220 through other components.

[0044] It should be understood that the outer periphery of the elastic clamp 220 is provided with an annular groove along the circumferential direction, one end of the slit 222 passes through the elastic clamp 220 and exposes one end of the opening 110, and the other end of the slit 222 is connected to the annular groove, so that during the process of the clamping petals 221 of the elastic clamp 220 being opened, the clamping petals 221 undergo elastic deformation and bend at the annular groove.

[0045] Understandably, the end of the top pin 210 near the protrusion 2211 is chamfered or rounded. For example, as... Figure 3 , Figure 5 As shown, in this embodiment, the end of the top pin 210 near the protrusion 2211 is set with a chamfer or rounded corner, so that during the extension and retraction of the elastic clamp 220, the protrusion 2211 slides against the chamfer or rounded corner of the top pin 210, thereby reducing the wear between the top pin 210 and the elastic clamp 220 during the process of the clamping piece 221 being opened.

[0046] It is understandable that the protrusion 2211 is provided with a guide slope or guide surface that mates with the top pin 210. For example, as Figure 3 , Figure 5 As shown, in this embodiment, the protrusion 2211 can be configured as a guide slope or guide surface extending axially along the clamping lobe 221, thus the top pin 210 and the protrusion 2211 have at least four combination forms, namely: the end of the top pin 210 near the opening 110 is chamfered, and the protrusion 2211 is a guide slope extending axially; the end of the top pin 210 near the opening 110 is chamfered, and the protrusion 2211 is a guide surface extending axially; the end of the top pin 210 near the opening 110 is rounded, and the protrusion 2211 is a guide slope extending axially; the end of the top pin 210 near the opening 110 is rounded, and the protrusion 2211 is a guide surface extending axially. Through these four configurations, the protrusion 2211 and one end of the top pin 210 can abut against each other during the contraction process of the elastic clamp 220, thereby opening the clamping lobe 221 of the elastic clamp 220.

[0047] It is understood that the clamping assembly 200 also includes an elastic member 230 and a movable member 240 disposed along the depth direction of the receiving cavity 120. The movable member 240 is sleeved outside the elastic chuck 220. Under the elastic force of the elastic member 230, the movable member 240 can drive the elastic chuck 220 to move in the opposite direction to the direction driven by the driving member 300. For example, as Figures 2 to 5 As shown, in this embodiment, the clamping assembly 200 further includes an elastic member 230 and a movable member 240. The elastic member 230 and the movable member 240 are arranged along the depth direction of the receiving cavity 120. Under the elastic force of the elastic clamp, the movable member 240 can drive the elastic clamp 220 to move in the opposite direction to the driving direction of the driving member 300.

[0048] It should be understood that the specific configurations of the elastic element 230 and the movable element 240 include, but are not limited to, the following:

[0049] 1. When the driving member 300 drives the elastic chuck 220 to retract, the elastic member 230 can be a compression spring and is located on the side of the movable member 240 away from the opening 110. Thus, when the driving member 300 drives the elastic chuck 220 to retract, the elastic chuck 220 can drive the movable member 240 to compress the compression spring, thereby making the compression spring have a tendency to extend the elastic chuck 220. After the driving force of the driving member 300 is removed, the elastic chuck 220 extends under the elastic force of the compression spring.

[0050] 2. When the driving member 300 drives the elastic clamp 220 to retract, the elastic member 230 can also be a tension spring and is located on the side of the movable member 240 near the opening 110. Thus, when the driving member 300 drives the elastic clamp 220 to retract, the elastic clamp 220 can drive the movable member 240 to stretch the tension spring, thereby making the tension spring have a tendency to extend the elastic clamp 220. After the driving member 300 is removed, the elastic clamp 220 extends under the elastic force of the tension spring.

[0051] 3. When the driving member 300 drives the elastic chuck 220 to extend, the elastic member 230 can be a compression spring and is located on the side of the movable member 240 near the opening 110. Thus, when the driving member 300 drives the elastic chuck 220 to extend, the elastic chuck 220 can drive the movable member 240 to compress the compression spring, thereby making the compression spring have a tendency to cause the elastic chuck 220 to contract. After the driving force of the driving member 300 is removed, the elastic chuck 220 contracts under the elastic force of the compression spring.

[0052] 4. When the driving member 300 drives the elastic clamp 220 to extend, the elastic member 230 can also be a tension spring and is located on the side of the movable member 240 away from the opening 110. Thus, when the driving member 300 drives the elastic clamp 220 to extend, the elastic clamp 220 can drive the movable member 240 to stretch the tension spring, thereby making the tension spring have a tendency to cause the elastic clamp 220 to contract. After the driving force of the driving member 300 is removed, the elastic clamp 220 contracts under the elastic force of the tension spring.

[0053] It should be understood that in this embodiment, the elastic element 230 may be configured as a plurality of elements surrounding the outer periphery of the elastic clamp 220; in other embodiments, the elastic element 230 may be configured as a single element fitted over the elastic clamp 220.

[0054] It is understood that the receiving cavity 120 includes a first cavity 121 and a second cavity 122 extending away from the opening 110. The elastic clamp 220 passes through the first cavity 121 and the second cavity 122. The diameter of the second cavity 122 is larger than the diameter of the first cavity 121. An elastic element 230 and a movable element 240 are disposed in the second cavity 122. The movable element 240 is located on the side of the elastic element 230 away from the first cavity 121. Under the elastic force of the elastic element 230, the movable element 240 can drive the elastic clamp 220 to move, causing the protruding edge 2212 to approach the panel 100. For example, as... Figures 2 to 5 As shown, in this embodiment, the receiving cavity 120 includes a first cavity 121 and a second cavity 122 extending from the opening 110 away from the opening 110. An elastic clamp 220 passes through the first cavity 121 and the second cavity 122. The diameter of the second cavity 122 is larger than that of the first cavity 121. An elastic member 230 and a movable member 240 are sequentially disposed within the second cavity 122, with the movable member 240 located on the side of the elastic member 230 away from the first cavity 121. Under the elastic force of the elastic member 230, the movable member 240 can cause the elastic clamp 220 to contract, bringing the protruding edge 2212 closer to the panel 100. Therefore, under the drive of the driving member 300, the movable member 240 can cause the elastic clamp 220 to extend, moving the protruding edge 2212 away from the panel 100, so that the clamping flap 221 closes, allowing the product to be fitted with the elastic clamp 220. Specifically, the elastic member 230 can be a compression spring or a flexible material, such as an elastic member 230 made of silicone.

[0055] Understandably, the bottom of the panel 100 is provided with several clearance openings 130 communicating with the receiving cavity 120, and the panel 100 is provided with a base plate 400 that closes the clearance openings 130. The bottom of the top pin 210 is fixed to the base plate 400, and the base plate 400 is provided with clearance holes 410 communicating with the clearance openings 130. For example, as Figures 2 to 4 As shown, in this embodiment, the bottom of the panel 100 is provided with a clearance opening 130, and a base plate 400 is connected to the bottom of the panel 100. The base plate 400 is adapted to and closes the clearance opening 130. The bottom of the top pin 210 is fixed to the base plate 400. The base plate 400 is provided with a clearance hole 410 corresponding to the clearance opening 130, so that the driving member 300 can drive the movable member 240 to lift the elastic clamp 220 through the clearance hole 410 and the clearance opening 130. Specifically, the top pin 210 is provided with a threaded hole at the top, and the base plate 400 is provided with a through hole, so that the bolt can pass through the through hole and be threadedly connected to the top pin 210, thereby fixing the top pin 210 and the base plate 400.

[0056] It should be understood that, in addition to providing a clearance opening 130 at the bottom of the panel 100, a vertical guide groove can also be provided on the side wall of the panel 100. The guide groove connects to the second cavity 122, and a contact end extending out of the guide groove extends from one side of the movable member 240. This allows the driving member 300 to lift the movable member 240 by lifting the contact end, thereby enabling the elastic clamp 220 to extend under the drive of the driving member 300.

[0057] It should be understood that the movable member 240 and the elastic collet 220 can be configured as a fixed connection. Specifically, in this embodiment, an external thread is provided at the end of the elastic collet 220 away from the opening 110, and an internal thread is provided at the movable member 240, so that the movable member 240 is threadedly connected to the elastic collet 220. In some other embodiments, a first limiting member and a second limiting member can also be provided on the outer periphery of the elastic collet 220. The first limiting member is located between the movable member 240 and the elastic member 230, and the second limiting member is located on the side of the movable member 240 away from the elastic member 230, thereby limiting the movable member 240 between the first limiting member and the second limiting member. This also enables the movable member 240 to be driven to extend the elastic collet 220, and under the elastic force of the elastic member 230, the movable member 240 can also drive the elastic collet 220 to contract.

[0058] Understandably, the output end of the drive unit 300 is connected to a top plate 500, and the top plate 500 is provided with several push rods 510. Under the drive of the drive unit 300, the top plate 500 can drive the push rods 510 to pass through the clearance hole 410 and the clearance opening 130 in sequence, thereby lifting the movable part 240. For example, as Figure 7 As shown, in this embodiment, the output end of the drive member 300 is provided with a top plate 500, and a plurality of push rods 510 are provided on the top plate 500. The push rods 510 can pass through the clearance hole 410 and the clearance opening 130 in sequence to lift the movable member 240. One or more push rods 510 can be provided on the top plate 500. In this embodiment, multiple push rods 510 are provided on the top plate 500, thereby enabling the lifting of the elastic clamps 220 in multiple sets of clamping assemblies 200, thus simultaneously clamping and fixing multiple products.

[0059] Understandably, it also includes a worktable 700, a drive unit 300 fixed to the worktable 700, a panel 100 detachably connected to the worktable 700, and a positioning seat 600 on the worktable for positioning and fixing the panel 100. For example, as Figure 6As shown, in this embodiment, the clamping device further includes a worktable 700, a drive member 300 fixedly disposed in the worktable 700, and a panel 100 detachably disposed on the worktable 700. The worktable 700 is provided with a positioning seat 600 for limiting the position of the panel 100, thereby preventing the panel 100 from being driven upward during the process of the drive member 300 lifting the elastic chuck 220, thus ensuring the normal progress of the lifting process. The panel 100 is detachably connected to the worktable 700, so that after the product is clamped between the panel 100 and the flange 2212, the panel 100 holding the product can be removed and installed on a machine tool for processing.

[0060] It should be understood that the panel 100 may be provided with a positioning structure and a foolproof structure, so that the panel 100 can be accurately positioned when installed on a machine tool and the installation direction can be ensured to be correct. In this embodiment, the positioning structure is a positioning hole provided on the panel 100, and the foolproof structure is a foolproof hole provided on one side of the panel 100.

[0061] It is understood that the positioning base 600 includes a positioning plate 610 and two stops 620. The two stops 620 are respectively located on the left and right sides of the upper end face of the positioning plate 610. Each of the two opposite sides of the two stops 620 has an upper stop 621 and a rear stop 622. The distance between the upper stop 621 and the upper end face of the positioning plate 610 is adapted to the height of the panel 100. The positioning plate 610 has a clearance position 611 corresponding to the clearance hole 410. For example, as... Figure 7 As shown, in this embodiment, the positioning base 600 includes a positioning plate 610 and two stops 620. The two stops 620 are respectively disposed on the left and right sides of the upper end face of the positioning plate 610, and the two opposite sides of the two stops 620 are provided with an upper stop 621 and a rear stop 622. The distance between the upper stop 621 and the upper end face of the positioning plate 610 is adapted to the height of the panel 100, so that the panel 100 can slide horizontally from front to back between the positioning plate 610 and the two stops 620; and the rear stop 622 limits the horizontal direction of the panel 100, and the upper stop 621 limits the vertical direction of the panel 100, so that the clearance hole 410 of the base plate 400 corresponds to the clearance position 611 of the positioning plate 610, so that the top rod 510 can pass through the clearance position 611, the clearance hole 410 and the clearance opening 130 in sequence, and lift the movable part 240.

[0062] It is understandable that the movable part 240 has a relief groove 241 along the extension of the slit 222, so that machining waste can be discharged after passing through the slit 222, the relief groove 241, the relief opening 130, the relief hole 410, and the relief position 611 in sequence. For example, as Figure 5As shown, in this embodiment, the movable part 240 is provided with a relief groove 241 along the straight line of the extension line of the slit 222, so that when the product is clamped between the protruding edge 2212 and the panel 100 and processed, the processing waste generated by the product can be discharged along the slit 222, and after passing through the relief groove 241, the relief opening 130, the relief hole 410 and the relief position 611, thereby reducing the impact of the processing waste on the clamping assembly 200 clamping the product.

[0063] It should be understood that the panel 100 is provided with a handle 140, which facilitates the removal and installation of the panel 100 from the workbench 700; in this embodiment, the driving component 300 is a cylinder, and the workbench 700 is also provided with a manual valve 710 connected to the cylinder. By manually pressing the manual valve 710, the cylinder can be opened and closed, thereby causing the push rod 510 at the output end of the cylinder to move up and down.

[0064] The embodiments of this application have been described in detail above with reference to the accompanying drawings. However, this application is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this application. Furthermore, unless otherwise specified, the embodiments and features described in the embodiments of this application can be combined with each other.

Claims

1. A clamping device, characterized in that, include: The panel has several sets of openings and receiving cavities, and the openings and receiving cavities in each set are interconnected. The clamping assembly has several sets and includes a top pin and a resilient clamp disposed in the receiving cavity, wherein the top pin is attached to the surface. The plate is fixedly connected, and the elastic clamp is movably sleeved outside the top pin. The elastic clamp includes several clamping petals distributed along the circumference. Several axially extending slits are formed between adjacent clamping petals. The slits penetrate the elastic clamp and expose one end of the opening. The inner wall of the clamping petal exposed at the opening end is provided with a radial protrusion. The protrusion can abut against the top pin to open the clamping petal. The outer wall of the clamping petal exposed at the opening end has a radially outwardly extending flange. A driving element is used to drive the elastic clamp to move axially, so that the end of the clamping flap exposed in the opening approaches or The clamping flaps are positioned away from the panel, allowing them to open or close radially, so that the product can be clamped between the flange and the panel.

2. The clamping device according to claim 1, characterized in that, The end of the top pin near the protrusion is chamfered or rounded.

3. The clamping device according to claim 2, characterized in that, The protrusion is provided with a guide slope or guide curved surface that cooperates with the top pin.

4. The clamping device according to claim 1, characterized in that, The clamping assembly further includes an elastic element and a movable element disposed along the depth direction of the receiving cavity. The movable element is sleeved outside the elastic clamp. Under the elastic force of the elastic element, the movable element can drive the elastic clamp to move in the opposite direction to the direction driven by the driving element to move the elastic clamp.

5. The clamping device according to claim 4, characterized in that, The receiving cavity includes a first cavity and a second cavity extending away from the opening. The elastic clamp passes through the first cavity and the second cavity. The diameter of the second cavity is larger than the diameter of the first cavity. The elastic element and the movable element are disposed in the second cavity. The movable element is disposed on the side of the elastic element away from the first cavity. Under the elastic force of the elastic element, the movable element can drive the elastic clamp to move, so that the protruding edge approaches the panel.

6. The clamping device according to claim 5, characterized in that, The bottom of the panel is provided with several clearance openings that communicate with the receiving cavity. The panel is provided with a bottom plate that closes the clearance openings. The bottom of the top pin is fixed to the bottom plate. The bottom plate is provided with clearance holes that communicate with the clearance openings.

7. The clamping device according to claim 6, characterized in that, The output end of the drive component is connected to a top plate, and the top plate is provided with a plurality of push rods. Under the drive of the drive component, the top plate can drive the push rods to pass through the clearance hole and the clearance opening in sequence to lift the movable component.

8. The clamping device according to claim 7, characterized in that, It also includes a worktable, the drive unit is fixed to the worktable, the panel is detachably connected to the worktable, and the worktable is provided with a positioning seat for positioning and fixing the panel.

9. The clamping device according to claim 8, characterized in that, The positioning base includes a positioning plate and two stops. The two stops are respectively located on the left and right sides of the upper surface of the positioning plate. The two opposite sides of the two stops are provided with an upper stop edge and a rear stop edge. The distance between the upper stop edge and the upper surface of the positioning plate is adapted to the height of the panel. The positioning plate is provided with a clearance position corresponding to the clearance hole.

10. The clamping device according to claim 9, characterized in that, The movable part is provided with a clearance groove along the extension of the slit, so that the processing waste can be discharged after passing through the slit, the clearance groove, the clearance opening, the clearance hole and the clearance position in sequence.

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