CN214645611U

CN214645611U - Resin sorption tool

Info

Publication number: CN214645611U
Application number: CN202120412754.3U
Authority: CN
Inventors: 向远波; 周文豪
Original assignee: Star Seiki Xiangyang Co ltd
Current assignee: Star Seiki Xiangyang Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-11-09
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to a resin absorption tool, which is arranged on a clamp plate of a taking-out machine and comprises a supporting rod, a compression spring, a fixed supporting frame and a snap ring, wherein the compression spring, the fixed supporting frame and the snap ring are sequentially sleeved on the periphery of the supporting rod along the axial direction of the supporting rod; the head end of the supporting rod is internally provided with a vacuum cavity, the vacuum cavity is provided with a first air hole and a second air hole, the first air hole is arranged along the axial direction of the supporting rod, and the second air hole is arranged towards the radial direction of the supporting rod. The workpiece grabbing device has the advantages of simple structure, small size, light weight and buffering function, and can prevent impact damage to workpieces and equipment in the workpiece grabbing process.

Description

Resin sorption tool

Technical Field

The utility model relates to a machine-building technical field, concretely relates to sorption resin utensil.

Background

At present, with the improvement of automation degree of product manufacturing industry, it is more and more popular to adopt vacuum adsorption equipment to snatch the work piece in injection moulding, for example adopt vacuum extractor and anchor clamps to carry out the absorption to the work piece, then send it to next station safely, high-efficiently. Because the shapes of the workpieces are different, how to reduce the occupied space of the equipment and ensure that the workpieces can be effectively and firmly grabbed and the workpieces are not impacted and damaged in the process of grabbing the workpieces is achieved, so that the requirement of automatic production is met, and the vacuum adsorption equipment is a subject to be researched in the research and development process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide a sorption resin utensil, it has simple structure, small advantage, and its light in weight, has buffer function, prevents to snatch the in-process of work piece and causes impact damage to work piece and equipment.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a resin sorption tool is arranged on a clamp plate of a taking-out machine and comprises a supporting rod, a compression spring, a fixed supporting frame and a clamping ring, wherein the compression spring, the fixed supporting frame and the clamping ring are sequentially sleeved on the periphery of the supporting rod along the axial direction of the supporting rod, a first boss is arranged at the head end of the supporting rod, the step surface of the first boss is abutted against one end of the compression spring, the other end of the compression spring is abutted against one end of the fixed supporting frame, a first annular groove is arranged on the periphery of the tail end of the supporting rod, the inner periphery of the clamping ring is embedded into the first annular groove, and the other end of the fixed supporting frame is abutted against the clamping ring; the head end of the supporting rod is internally provided with a vacuum cavity, the vacuum cavity is provided with a first air hole and a second air hole, the first air hole is arranged along the axial direction of the supporting rod, and the second air hole is arranged towards the radial direction of the supporting rod.

Preferably, an air pipe connector is fixedly arranged at the head end of the supporting rod, the air pipe connector is integrally connected with the head end of the supporting rod, and the air pipe connector is communicated with the second air hole.

Preferably, the outer wall of the air pipe joint is in a truncated cone shape, and the larger bottom surface of the truncated cone shape is close to the supporting rod.

Preferably, a second boss is arranged at one end of the fixed support frame close to the compression spring, and a step surface of the second boss abuts against the end part of the compression spring.

Preferably, the end of the fixing holder close to the compression spring is provided with a positioning shoulder embedded inside the end of the compression spring for limiting the radial position of the compression spring.

The utility model has the advantages that: the utility model discloses in because the vacuum cavity sets up inside the head end of support rod, reduced the equipment volume greatly, compare in traditional sorption utensil, equipment can accomplish very little size, has saved the shared space of equipment, can be applicable to less work piece, has increased the suitability of equipment. The support rod of the sorption resin tool is integrally formed with the air pipe joint, so as to further reduce the connecting piece, reduce the volume of the equipment and lighten the weight of the sorption resin tool. When carrying out the work piece and snatching, vacuum chuck and the moment that the work piece contacted, compression spring produce deformation, for providing the buffering between vacuum chuck and the work piece, prevent to cause the impact to work piece and equipment, cause the damage to work piece or equipment.

Drawings

Fig. 1 is a view of a usage scenario of the present invention;

fig. 2 is a perspective view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a front view of the present invention;

fig. 5 is a cross-sectional view taken along a-a in fig. 4.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the suction resin tool comprises a suction resin tool 101, a support rod 1011, a first boss 1012, a first annular groove 1013, a gas pipe connector 1014, a second annular groove 102, a compression spring 103, a fixed support frame 1031, a second boss 1032, a positioning shaft shoulder 104, a clamping ring 2, a vacuum chuck 3, a clamp plate 4, a quick-change connector 5 and a tail end posture part;

a. a first air hole, b, a second air hole, c, a truncated cone shape.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Referring to fig. 1, a usage scenario of a sorption resin tool 1 according to this embodiment is shown, in which several sorption resin tools 1 are detachably mounted on a clamp plate 3 of a taking-out machine through a quick-change connector 4, and the clamp plate 3 of the taking-out machine is mounted on a tail posture part 5 of the taking-out machine.

The structure of a sorption resin tool 1 provided in this embodiment is shown in fig. 2 to 5, and includes a support rod 101, a compression spring 102, a fixed support frame 103, and a snap ring 104. The compression spring 102, the fixed support frame 103 and the snap ring 104 are sequentially sleeved on the periphery of the support rod 101 along the axial direction of the support rod 101. The head end of the supporting rod 101 is provided with a first boss 1011, and the first boss 1011 may be an annular boss or an intermittent rib formed around the outer circumference of the head end of the supporting rod 101. The step surface of the first boss 1011 abuts against one end of the compression spring 102, and the other end of the compression spring 102 abuts against one end of the fixed support frame 103. As shown in the cross-sectional view of fig. 5, a first annular groove 1012 is formed on the outer circumference of the rear end of the supporting rod 101, the inner circumference of the snap ring 104 is inserted into the first annular groove 1012, and the other end of the fixing holder 103 is pressed against the snap ring 104. The outer periphery of the fixed holder 103 is connected to a quick-change connector 4, whereby the whole sorption resin tool 1 is mounted on the gripper plate 3 of the extractor. When the support rod 101 moves axially within the fixed support 103, the compression spring 102 compresses or expands. As shown in the cross-sectional view of fig. 5, a vacuum chamber is provided inside the head end of the supporting rod 101, the vacuum chamber has a first air hole a and a second air hole b, the first air hole a is disposed toward the axial direction of the supporting rod 101, and the first air hole a is connected to the vacuum chuck 2; the second air hole b is disposed toward the radial direction of the support rod 101, and the second air hole b is connected to a vacuum air pipe.

In this embodiment, since the vacuum chamber is disposed inside the head end of the support rod 101, the size of the apparatus is greatly reduced, and compared with the conventional suction tool, the apparatus can be made to have a small size, thereby saving the space occupied by the apparatus, being applicable to smaller workpieces, and increasing the applicability of the apparatus. After the equipment is installed in place, the vacuum cavity inside the head end of the supporting rod 101 is used as a component of a vacuum gas circuit, the vacuum chuck 2 generates suction force through negative pressure in the vacuum pipe, and the vacuum chuck 2 sucks a workpiece, so that the purpose of grabbing the workpiece is achieved. When a workpiece is grabbed, the compression spring 102 deforms at the moment when the vacuum chuck 2 contacts the workpiece, so that buffering is provided between the vacuum chuck 2 and the workpiece, and the workpiece and equipment are prevented from being impacted and damaged.

The fixing support 103 may be provided on its periphery with a thread which cooperates with the quick-change connector 4 for detachable connection with the extractor clamp plate 3 via the quick-change connector 4. The number of the sorption resin tools 1 on the clamp plate 3 of the extractor can be flexibly set by disassembling and assembling the quick-change connector 4 and the fixing support frame 103, so as to treat various plastic products with different numbers or different shapes in the injection molding machine.

In this embodiment, as shown in fig. 2, an air pipe joint 1013 is fixedly disposed at a head end of the supporting rod 101, the air pipe joint 1013 and the head end of the supporting rod 101 can be integrally connected by a resin integral molding technique (e.g., an injection molding process), and the air pipe joint 1013 is communicated with the second air hole b. In use, the end of the vacuum air tube is fitted around the outer circumference of the air tube connector 1013, and a fixing means such as a snap ring 104 or a clip is applied. The air pipe joint 1013 is provided to secure the connection between the second air hole b and the vacuum air pipe.

In this embodiment, as shown in the plan view of fig. 3, the outer wall of the air pipe joint 1013 is formed in a truncated cone shape c, the truncated cone shape c is coaxially arranged with the air pipe joint 1013, and the larger bottom surface of the truncated cone shape c is close to the support rod 101. When the vacuum air pipe is sleeved on the air pipe joint 1013, the outer wall of the air pipe joint 1013 of the truncated cone shape c is in interference fit with the vacuum air pipe, so that the air tightness and the firmness of connection are increased. A plurality of truncated cone-shaped c may be arranged in parallel on the outer wall of the air pipe joint 1013, and after the vacuum air pipe is sleeved on the air pipe joint 1013, a fixing device such as a buckle or a hoop may be arranged between the adjacent truncated cone-shaped c, so as to further increase the reliability and the air tightness of the connection between the vacuum air pipe and the air pipe joint 1013.

In this embodiment, as shown in fig. 2 and 4, a second boss 1031 is disposed at one end of the fixing holder 103 close to the compression spring 102, and a step surface of the second boss 1031 abuts against an end of the compression spring 102. The second boss 1031 on the fixing holder 103 provides axial position limitation for the compression spring 102, and when the vacuum chuck 2 sucks a workpiece, the compression spring 102 is compressed along the axial direction, so that the buffering purpose is achieved.

In this embodiment, as shown in fig. 4 to 5, a positioning shoulder 1032 is disposed at an end of the fixing holder 103 close to the compression spring 102, the positioning shoulder 1032 is embedded inside the end of the compression spring 102, and an outer circumference of the positioning shoulder 1032 is matched with an inner wall of the compression spring 102 in size to limit a radial position of the compression spring 102. The end of the fixing support frame 103 close to the compression spring 102 is configured as a stepped shaft structure, and a shoulder of the stepped shaft extends into the inner side of the end of the compression spring 102, and when the compression spring 102 deforms, the shoulder of the stepped shaft provides a radial limit for the compression spring 102.

As shown in FIGS. 4-5, a second annular recess 1014 for mounting the vacuum chuck 2 may be further disposed at the head end of the supporting rod 101 to increase the air tightness and reliability of the connection between the vacuum chuck 2 and the head end of the supporting rod 101.

The working principle is as follows:

the periphery of the fixed supporting frame 103 is installed on the clamp plate 3 of the extractor through the quick-change connector 4, and the vacuum chuck 2 and the vacuum air pipe are respectively connected with two openings of the vacuum cavity at the head end of the supporting rod 101. The clamp plate 3 of the extractor drives the sorption resin tool 1 of this embodiment to move towards the workpiece to be grabbed, when the vacuum chuck 2 contacts the workpiece, the support rod 101 is pressed, the tail end of the support rod 101 moves axially in the inner hole of the fixed support frame 103, and the compression spring 102 compresses at this time, so as to provide a buffer among the support rod 101, the vacuum chuck 2 and the workpiece, and prevent the impact on the equipment and the workpiece. Then negative pressure is generated in the vacuum air pipe, the vacuum suckers 2 suck the workpiece, and the plurality of vacuum suckers 2 are matched with each other, so that the workpiece is grabbed by the clamp plate 3 of the taking-out machine. When the workpiece is conveyed to the destination by the taking-out machine, the negative pressure in the vacuum air pipe is eliminated, and the vacuum chuck 2 releases the workpiece.

In this embodiment, since the vacuum chamber is disposed inside the head end of the support rod 101, the size of the apparatus is greatly reduced, and compared with the conventional suction tool, the apparatus can be made to have a small size, thereby saving the space occupied by the apparatus, being applicable to smaller workpieces, and increasing the applicability of the apparatus. The support rod 101 of the sorption resin tool 1 is preferably formed integrally with the air tube connector 1013 by injection molding using a resin material, so as to further reduce the number of connecting members, reduce the volume of the apparatus, and reduce the weight of the sorption resin tool 1. After the equipment is installed in place, the vacuum cavity inside the head end of the supporting rod 101 is used as a component of a vacuum gas circuit, the vacuum chuck 2 generates suction force through negative pressure in the vacuum pipe, and the vacuum chuck 2 sucks a workpiece, so that the purpose of grabbing the workpiece is achieved. When a workpiece is grabbed, the compression spring 102 deforms at the moment when the vacuum chuck 2 contacts the workpiece, so that buffering is provided between the vacuum chuck 2 and the workpiece, and the workpiece and equipment are prevented from being impacted and damaged.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A resin suction tool is characterized by comprising a support rod (101), a compression spring (102), a fixed support frame (103), and a snap ring (104), the compression spring (102), the fixed supporting frame (103) and the snap ring (104) are sequentially sleeved on the periphery of the supporting rod (101) along the axial direction of the supporting rod (101), a first boss (1011) is arranged at the head end of the supporting rod (101), the step surface of the first boss (1011) is tightly propped against one end of the compression spring (102), the other end of the compression spring (102) is tightly propped against one end of the fixed supporting frame (103), a first annular groove (1012) is arranged on the periphery of the tail end of the supporting rod (101), the inner circumference of the clamping ring (104) is embedded into the first annular groove (1012), and the other end of the fixed supporting frame (103) is tightly abutted against the clamping ring (104); the head end of the supporting rod (101) is internally provided with a vacuum cavity, the vacuum cavity is provided with a first air hole (a) and a second air hole (b), the first air hole (a) is arranged along the axial direction of the supporting rod (101), and the second air hole (b) is arranged towards the radial direction of the supporting rod (101).

2. A resin sorbent tool according to claim 1, wherein an air pipe connector (1013) is fixedly provided at the head end of the support rod (101), the air pipe connector (1013) is integrally connected to the head end of the support rod (101), and the air pipe connector (1013) is communicated with the second air hole (b).

3. A resin suction tool as claimed in claim 2, wherein the outer wall of the gas pipe joint (1013) is formed in a truncated cone shape (c) having a larger bottom surface close to the support rod (101).

4. The resin suction tool as claimed in claim 1, wherein a second protrusion (1031) is provided at an end of the fixing holder (103) close to the compression spring (102), and a step surface of the second protrusion (1031) abuts against an end of the compression spring (102).

5. The resin suction tool as claimed in claim 1, wherein the end of the fixing holder (103) near the compression spring (102) is provided with a positioning shoulder (1032), and the positioning shoulder (1032) is embedded inside the end of the compression spring (102) for limiting the radial position of the compression spring (102).