Sucker clamp

Abstract

The utility model relates to the technical field of clamps, in particular to a suction cup clamp which comprises a mounting plate and a plurality of suction heads mounted on the mounting plate. A containing groove for containing products is formed in the tail end of the suction head. The containing groove communicates with an air channel in the suction head. A sealing assembly is further arranged in the suction head. The sealing assembly comprises a swing rod, a sealing plate and a reset spring. The sealing plate is slidably arranged on the inner wall of the air duct, so that the sealing plate can extend into the air duct or retract into the inner wall of the air duct; the reset spring is connected to the sealing plate so that the reset spring can push the sealing plate into the air duct. One end of the swing rod is hinged in the suction head, and the other end is provided with a kidney-shaped hole; the sealing plate is provided with a driving column sliding along the kidney-shaped hole so that the sealing plate can stretch out and draw back when the swing rod swings. When the sealing plate blocks the air channel, the middle of the swing rod passes through the containing groove. The multiple suction heads are in butt joint with the products respectively, negative pressure can be formed by air exhaust of the suction heads, and then the products are sucked.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamp, specifically, relate to a sucking disc clamp. BACKGROUND

[0002] The injection product needs to be taken down from the mould through the blanking mechanism in the production process. For some micro products, the structure of the sucking disc is generally used to take them down. At the same time, when the micro products are processed, several products will be processed at a time. When sucking, if one of the sucking discs does not contact the product effectively, the sucking will fail. At the same time, the failure of sucking will also cause the sucking disc to be directly connected with the atmosphere, and thus the adsorption capacity of other sucking heads is weakened. It may seriously affect the overall sucking effect of the blanking mechanism. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a sucking disc clamp, which can close the air duct when the sucking head does not suck the product, so as to avoid the weakening of the adsorption capacity of other sucking heads caused by the direct connection of the internal vacuum environment with the atmosphere.

[0004] The embodiment of the utility model is realized by the following technical schemes:

[0005] A sucking disc clamp comprises a mounting plate and a plurality of sucking heads mounted on the mounting plate; the sucking head is provided with a containing groove containing products at the tail end; the containing groove is communicated with the air duct inside the sucking head; the air duct inside the sucking head is further provided with a sealing assembly; the sealing assembly comprises a swing rod, a sealing plate and a return spring; the sealing plate is slidably arranged on the inner wall of the air duct, so that the sealing plate can extend into the air duct or retract to the inner wall of the air duct; the return spring is connected to the sealing plate, so that the return spring pushes the sealing plate into the air duct; one end of the swing rod is hinged in the sucking head, and the other end is provided with a waist-shaped hole; the sealing plate is provided with a driving column sliding along the waist-shaped hole, so that the sealing plate extends and retracts when the swing rod swings; when the sealing plate seals the air duct, the middle part of the swing rod passes through the inside of the containing groove.

[0006] Further, the sealing assembly is provided with two groups; two sealing plates are oppositely arranged and located on the opposite sides of the air duct.

[0007] Further, the sucking head is slidably arranged on the mounting plate; a ejection spring is further arranged between the sucking head and the mounting plate, so that the sucking head extends out of the mounting plate.

[0008] Further, the mounting plate is provided with a sliding sleeve matched with each sucking head; the sucking head is slidably sleeved in the sliding sleeve.

[0009] Further, the device further comprises a guide plate, the guide plate is parallel to the mounting plate, the guide plate is provided with guide holes matched with the suction heads, and each of the suction heads is arranged in one of the guide holes.

[0010] Further, the device further comprises a suction pump and a blowing pump, each of the suction heads is connected to the suction pump and the blowing pump, and the suction pump and the blowing pump are connected to the suction heads through valves.

[0011] Further, a sealing pad is arranged between the sealing plate and the inner wall of the air duct.

[0012] The technical scheme of the device has at least the following advantages and beneficial effects:

[0013] When the suction disc clamp is used, the mounting plate is moved, and each of the suction heads is connected to one product. The suction head can form negative pressure through suction, and thus the product is firmly adsorbed on the suction head.

[0014] When the product is sucked, the product enters the containing groove, and the middle part of the swing rod is pushed and swung in the process, so that the swing rod swings through the cooperation of the waist-shaped hole and the driving column, the sealing plate is retracted to open the connection between the containing groove and the air duct and compress the reset spring. The suction head can effectively suck the product. If there is no product in the containing groove, the swing rod will not be squeezed, the sealing plate will be extended into the air duct under the action of the reset spring, and thus the air duct is closed. Avoiding that the corresponding air duct is completely opened when there is no product in the individual containing groove, and thus the suction force of the remaining suction heads is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the suction disc clamp.

[0016] Figure 2 It is a side view of the suction disc clamp.

[0017] Figure 3 It is a schematic view of the air duct closed.

[0018] Figure 4 It is a schematic view of the air duct opened.

[0019] Reference signs: 1 - mounting plate, 2 - suction head, 3 - containing groove, 4 - air duct, 5 - swing rod, 6 - sealing plate, 7 - reset spring, 8 - waist-shaped hole, 9 - driving column, 10 - ejection spring, 11 - sliding sleeve, 12 - guide plate, 13 - product. DETAILED DESCRIPTION

[0020] For example, Figures 1-4As shown, the utility model provides a kind of sucking disc clamp, including mounting plate 1 and several installation in mounting plate 1 suction head 2.Suction head 2 end is provided with the containing slot 3 of containing product 13.Containing slot 3 shape and size are matched in product 13 setting, so that product 13 can be put into its inside and better fit with its inner wall.Containing slot 3 is communicated with the air duct 4 inside suction head 2.Make suction head 2 suction can form negative pressure or vacuum, to reach the effect of adsorbing product 13 in turn.

[0021] Suction head 2 inside is also provided with sealing assembly.As Figure 3 And 4 As shown, sealing assembly includes swing lever 5, sealing plate 6 and reset spring 7.Sealing plate 6 is slidably arranged on the inner wall of air duct 4, so that sealing plate 6 can extend into the inside of air duct 4 or retract to the inside of the inner wall of air duct 4.Sealing plate 6 extends into the inside of air duct 4, can block air duct 4.Sealing plate 6 retracts to the inside of the inner wall of air duct 4, air duct 4 is communicated with containing slot 3.Reset spring 7 is connected to the rear of sealing plate 6, so that reset spring 7 pushes sealing plate 6 to the inside of air duct 4.Swing lever 5 one end is hinged in the inside of suction head 2, the other end is provided with the waist type hole 8.Sealing plate 6 is provided with the drive column 9 sliding along the waist type hole 8, so that sealing plate 6 extends when swing lever 5 swings.Sealing plate 6 blocks air duct 4, the middle part of swing lever 5 passes through the inside of containing slot 3.

[0022] The sucking disc clamp of the utility model uses, moves mounting plate 1, so that several suction heads 2 are each connected to a product 13.Suction head 2 suction can form negative pressure, to make product 13 be firmly adsorbed to adsorption head in turn.

[0023] Suction, product 13 enters the inside of containing slot 3, and the middle part of swing lever 5 will be pushed in the process, to make swing lever 5 swing through the cooperation of waist type hole 8 and drive column 9 so that sealing plate 6 retracts and opens containing slot 3 and air duct 4 and compresses reset spring 7.Make suction head 2 can effectively suck product 13.If there is no product 13 in containing slot 3, swing lever 5 will not be squeezed, and sealing plate 6 extends into air duct 4 under the action of reset spring 7, to block air duct 4 in turn.Avoid individual containing slot 3 without product 13 when corresponding air duct 4 is completely opened to cause the suction of remaining suction head 2 to drop.In order to better seal, sealing pad is arranged between the inner wall of sealing plate 6 and air duct 4.

[0024] In the embodiment, sealing assembly is provided with two groups.Two sealing plates 6 are oppositely arranged and located on the opposite sides of air duct 4.Make two sealing assemblies block air duct 4 from both sides.This also makes product 13 enter containing slot 3, and its opposite ends are pushed by swing lever 5, and the stress is balanced.

[0025] In the embodiment, suction head 2 is slidably arranged on mounting plate 1.As Figure 2As shown, ejecting spring 10 is arranged between suction head 2 and mounting plate 1 to make suction head 2 extend out of mounting plate 1. When suction head 2 contacts product 13, in order to avoid damaging product 13, ejecting spring 10 is used for buffering. At the same time, the mold can produce several products 13 at the same time, and each product 13 can be different. That is, the retraction amount of suction head 2 when product 13 is fitted on suction head 2 is different. Ejecting spring 10 can make each suction head 2 perfectly fit on product 13.

[0026] In this embodiment, mounting plate 1 is provided with sliding sleeve 11 matched with each suction head 2. As shown, Figure 2 Suction head 2 is slidably sleeved in sliding sleeve 11. Sliding sleeve 11 can be a copper sleeve, so that the sliding of suction head 2 is smoother.

[0027] In this embodiment, guide plate 12 is also included. As shown, Figure 2 Guide plate 12 is arranged parallel to mounting plate 1. Guide plate 12 is provided with guide holes matched with several suction heads 2. Each suction head 2 is arranged in one guide hole. This makes suction head 2 guided by sliding sleeve 11 and guide plate 12 together, so that suction head 2 is supported and guided in front and back, and the extension and retraction is more stable.

[0028] In this embodiment, air suction pump and air blowing pump are also included. Several suction heads 2 are connected to air suction pump and air blowing pump, and air suction pump and air blowing pump are connected to several suction heads 2 through one valve respectively. This makes suction head 2 not only able to suck air for adsorption, but also able to blow air to blow off the adsorbed product 13, thereby avoiding product 13 being stuck in containing groove 3.

Claims

1. A suction cup gripper, characterized by: The application relates to a product suction device, which comprises a mounting plate and a plurality of suction heads mounted on the mounting plate; the suction heads are provided with product containing grooves at the ends; the containing grooves are connected with air ducts inside the suction heads; the suction heads are further provided with sealing assemblies; the sealing assemblies comprise swinging rods, sealing plates and return springs; the sealing plates are slidably arranged on the inner walls of the air ducts, so that the sealing plates can be extended into the air ducts or retracted into the inner walls of the air ducts; the return springs are connected with the sealing plates, so that the return springs push the sealing plates into the air ducts; one end of the swinging rod is hinged in the suction head, and the other end is provided with a waist-shaped hole; the sealing plate is provided with a driving column which slides along the waist-shaped hole, so that the sealing plate can be extended or retracted when the swinging rod swings; when the sealing plate seals the air duct, the middle part of the swinging rod passes through the containing groove.

2. The suction cup gripper of claim 1, wherein: The sealing assemblies are provided with two groups; two sealing plates are oppositely arranged and located on the opposite sides of the air duct.

3. The suction cup gripper of claim 2, wherein: The suction heads are slidably arranged on the mounting plate; the suction heads and the mounting plate are further provided with ejection springs, so that the suction heads are extended from the mounting plate.

4. The suction cup gripper of claim 3, wherein: The mounting plate is provided with sliding sleeves matched with the suction heads; the suction heads are slidably arranged in the sliding sleeves.

5. The suction cup gripper of claim 4, wherein: The application further comprises guide plates; the guide plates are arranged parallel to the mounting plate; the guide plates are provided with guide holes matched with the suction heads; the suction heads are arranged in the guide holes.

6. The suction cup gripper of claim 5, wherein: The application further comprises air suction pumps and air blowing pumps; the suction heads are connected with the air suction pumps and the air blowing pumps, and the air suction pumps and the air blowing pumps are connected with the suction heads through valves.

7. The suction cup gripper of claim 6, wherein: Sealing pads are arranged between the sealing plates and the inner walls of the air ducts.

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