Quick-change disc assembly

Abstract

The utility model relates to the technical field of quick-change discs, and discloses a quick-change disc assembly which comprises a quick-change disc body, an ejector rod piston is arranged on the inner wall of the quick-change disc body, a driving disc is fixedly installed at the lower end of the ejector rod piston, a spring is placed in the driving disc and the ejector rod piston, and the spring abuts against the inner top wall of the quick-change disc body. A clamping groove is formed in the outer wall of the lower portion of the driving disc, a limiting protruding point is arranged on the outer wall of the portion, located below the clamping groove, of the driving disc, a plurality of sets of steel balls are clamped between the clamping groove and the limiting protruding point, the outer wall of the driving disc is slidably connected with a channel ring, and a plurality of sets of limiting channels are formed in the outer wall of the channel ring. When the tool disc falls down, the ejector rod piston and the driving disc are forced to descend slowly through buffering of the spring, then the steel ball is located between the driving disc circular clamping groove and the limiting protruding point, the self-locking effect is achieved through the steel ball and the limiting channel in the channel ring, the tool disc and the tool disc side jig are protected, and the situation that the tool disc falls suddenly and breaks and fails is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to quick change disc technical field, concretely is quick change disc assembly. BACKGROUND

[0002] Quick change disc assembly, also known as robot tool quick change device, tool quick change disc, gun changing disc, quick change tool disc, quick changer, quick changer, quick change fixture, fixture quick changer in industrial robot industry, is end effector quick changer.

[0003] At present, quick change disc equipment has the problem of free falling of tool side quick change disc under the condition of sudden failure of air source in actual application field environment. UTILITY MODEL CONTENTS

[0004] The utility model discloses a quick change disc assembly, which solves the problem of free falling of tool side quick change disc under the condition of sudden failure of air source in actual application field environment.

[0005] The application provides a quick change disc assembly, which comprises a quick change disc body, a top rod piston is arranged on the inner wall of the quick change disc body, a driving disc is fixedly installed at the lower end of the top rod piston, a spring is arranged in the inside of the driving disc and the top rod piston, the spring abuts against the inner top wall of the quick change disc body, a clamping groove is formed in the outer wall below the driving disc, a limiting protrusion is arranged on the outer wall of the driving disc below the clamping groove, a plurality of groups of steel balls are clamped between the clamping groove and the limiting protrusion, a channel ring is slidably connected to the outer wall of the driving disc, a plurality of groups of limiting channels are formed in the outer wall of the channel ring, and the plurality of groups of steel balls are respectively arranged in the corresponding limiting channels.

[0006] Through the above technical scheme, when the external equipment air source fails, the spring buffer forces the top rod piston and the driving disc to slowly descend, and then the steel balls are located between the clamping groove and the limiting protrusion of the driving disc, thereby playing a self-locking role with the limiting channels on the channel ring, protecting the tool disc and the tool disc side jig, and avoiding sudden falling and damage.

[0007] Optionally, a locking steel ring is arranged in the inner wall above the quick change disc body.

[0008] Through the above technical scheme, the locking steel ring can be positioned by the quick change disc body.

[0009] Optionally, a flange is fixedly connected to the outer wall above the channel ring.

[0010] Through the above technical scheme, the flange can be fixed by the channel ring.

[0011] Optionally, an outer wall above the ejector rod piston is fixedly connected with the ejector ring.

[0012] By adopting the technical scheme, the ejector ring can be fixed by the ejector rod piston.

[0013] Optionally, an outer wall of the ejector ring is provided with a piston bore, and an inner wall of the ejector ring in the piston bore is sleeved with a sealing ring, and the sealing ring is slidably connected with an inner wall of the quick-change disc body.

[0014] By adopting the technical scheme, the sealing ring can be accommodated by the piston bore on the ejector ring, and the sealing ring can play a sealing role.

[0015] Optionally, an outer wall of the ejector rod piston is provided with an ejector rod guide control hole.

[0016] By adopting the technical scheme, the ejector rod guide control hole can play a limiting role.

[0017] Optionally, the quick-change disc body and the flange are fixedly installed through the positioning pin.

[0018] By adopting the technical scheme, the positioning pin can play a locking and installing role on the quick-change disc body and the flange.

[0019] Optionally, a diameter difference between the clamping groove and the limiting convex point is 0.12mm.

[0020] By adopting the technical scheme, the diameter difference between the clamping groove and the limiting convex point is 0.12mm, so that the steel ball can play a self-locking role.

[0021] Compared with the prior art, the beneficial effects of the technical scheme of the present application are as follows:

[0022] When the external device gas source fails, the spring buffer forces the ejector rod piston and the driving disc to slowly descend, and then the steel ball is located between the clamping groove and the limiting convex point of the driving disc, thereby playing a self-locking role with the limiting channel on the channel ring, protecting the tool disc and the tool disc side jig, and avoiding sudden falling to cause damage and failure. BRIEF DESCRIPTION OF DRAWINGS

[0023] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, with reference to the accompanying drawings:

[0024] Figure 1 It is a top view schematic diagram of the quick-change disc assembly of the present application;

[0025] Figure 2 It is a Figure 1 E-E section view of the quick-change disc assembly of the present application;

[0026] Figure 3 It is the right view schematic drawing of quick change disc assembly of the utility model;

[0027] Figure 4 It is the partial schematic drawing of quick change disc of the utility model quick change disc assembly;

[0028] Figure 5 It is the first explosion schematic drawing of the utility model quick change disc assembly;

[0029] Figure 6 It is the second explosion schematic drawing of the utility model quick change disc assembly;

[0030] Figure 7 It is the Figure 5 Enlarged view of A in the middle.

[0031] In the drawing: 1, quick change disc main body; 2, top ring; 3, top rod piston; 4, driving disc; 5, flange; 6, channel ring; 7, limiting channel; 8, steel ball; 9, positioning pin; 10, spring; 11, piston bore; 12, sealing ring; 13, top rod guide tube control hole; 14, locking steel ring; 15, clamping groove; 16, limiting convex point. DETAILED DESCRIPTION

[0032] Please refer to Figures 1-7 The utility model provides a technical scheme: quick change disc assembly, including quick change disc main body 1, the inner wall of quick change disc main body 1 is provided with top rod piston 3, the lower end of top rod piston 3 is fixedly installed with driving disc 4, and spring 10 is placed in the inside of driving disc 4 and top rod piston 3, the inner top wall of spring 10 and quick change disc main body 1 abuts, and the outer wall of driving disc 4 below is provided with clamping groove 15, the outer wall of driving disc 4 below clamping groove 15 is provided with limiting convex point 16, and multiple steel balls 8 are clamped between clamping groove 15 and limiting convex point 16, the outer wall of driving disc 4 is slidably connected with channel ring 6, the outer wall of channel ring 6 is provided with multiple limiting channels 7, and multiple steel balls 8 are respectively located in the inside of corresponding limiting channels 7;

[0033] The outer wall above channel ring 6 is fixedly connected with flange 5, and quick change disc main body 1 and flange 5 are fixedly installed through positioning pin 9.

[0034] In the technical scheme of the utility model, when the external equipment gas source fails, spring 10 is forced to buffer top rod piston 3 and driving disc 4 to slowly descend, and then steel ball 8 is located between driving disc circular clamping groove 15 and limiting convex point 16, thereby playing the self-locking role with limiting channel 7 on channel ring 6, protecting tool disc and tool disc side jig, and avoiding sudden drop to cause breakage and failure.

[0035] In addition, the flange 5 can be fixed through the channel ring 6, and the quick-change disc main body 1 and the flange 5 can be locked and installed through the positioning pin 9.

[0036] In the technical scheme of the utility model, as shown in Figure 2 , Figure 4 and Figure 5 , the inner wall above the quick-change disc main body 1 is provided with a locking steel ring 14, the locking steel ring 14 can be positioned through the quick-change disc main body 1, the outer wall of the top rod piston 3 is fixedly connected with a top ring 2, the top ring 2 can be fixed through the top rod piston 3, the outer wall of the top ring 2 is provided with a piston cylinder diameter 11, the inner wall of the top ring 2 inside the piston cylinder diameter 11 is provided with a sealing ring 12, the sealing ring 12 is slidably connected with the inner wall of the quick-change disc main body 1, the sealing ring 12 can be accommodated through the piston cylinder diameter 11 on the top ring 2, and the sealing ring 12 can play a sealing role, and the outer wall of the top rod piston 3 is provided with a top rod guide control hole 13, and the top rod guide control hole 13 can play a limiting role.

[0037] In the technical scheme of the utility model, as shown in Figure 5 and Figure 7 , the diameter difference between the clamping groove 15 and the limiting convex point 16 is 0.12 mm, and the steel ball 8 can be self-locked through the diameter difference between the clamping groove 15 and the limiting convex point 16.

[0038] In use, first, the clamping driving disc 4 can be used in the process of locking the steel ball, and there is a limiting convex point 16 in the passive position curve, and the driving position is higher than the minimum position of the clamping driving conical surface clamping groove 15, so that the steel ring of the tool disc is prevented from falling freely in the process of separating from the robot side quick-change disc locking steel ball;

[0039] The limiting convex point 16 and the clamping driving conical surface clamping groove 15 force the minimum position of the steel ball to have a negative difference of 0.05 to 0.12 mm, so that the size difference of the quick-change disc and the diameter difference of the steel ball change, so that when the quick-change disc executes the loosening command, the top rod piston 3 must be driven in the reverse direction to force the steel ball to move radially outward and leave the falling control, and if a sudden source failure occurs, the tool side quick-change disc will cooperate with the self-weight of the tool side jig in the clamping groove 15 area, and the gravity travel clamping self-locking is realized, so that when the gas source fails suddenly, the tool disc and the jig will not slide off the steel ball of the robot quick-change disc, and the self-locking function is realized, and at the same time, due to the cooperation gap limitation of the top rod piston 3, the flange 5 and the channel ring 6, and the diameter limitation of the top ring 2 and the quick-change disc main body 1, the top ring 2 will not swing, so that the tool side and the jig will not shake and separate from the control.

Claims

1. A quick change disc assembly characterized by: Including quick change disc body (1), the inner wall of quick change disc body (1) is provided with top rod piston (3), the lower end of top rod piston (3) is fixedly installed with driving disc (4), spring (10) is placed in the inside of driving disc (4) and top rod piston (3), the spring (10) is in abutment with the inner top wall of quick change disc body (1), the outer wall below driving disc (4) is provided with clamping groove (15), the outer wall of driving disc (4) below clamping groove (15) is provided with limiting convex point (16), a plurality of steel balls (8) are clamped between clamping groove (15) and limiting convex point (16), the outer wall of driving disc (4) is slidably connected with channel ring (6), a plurality of limiting channels (7) are formed in the outer wall of channel ring (6), and a plurality of steel balls (8) are respectively located in the inside of corresponding limiting channels (7).

2. The quick change disc assembly of claim 1, wherein, The inner wall above quick change disc body (1) is provided with locking steel ring (14).

3. The quick change disc assembly of claim 1, wherein, The outer wall above channel ring (6) is fixedly connected with flange (5).

4. The quick change disc assembly of claim 1, wherein, The outer wall above top rod piston (3) is fixedly connected with top ring (2).

5. The quick change disc assembly of claim 4, wherein, The outer wall of top ring (2) is provided with piston bore (11), the inner wall of top ring (2) in piston bore (11) is provided with sealing ring (12), and sealing ring (12) is slidably connected with the inner wall of quick change disc body (1).

6. The quick change disc assembly of claim 1, wherein, The outer wall of top rod piston (3) is provided with top rod guide control hole (13).

7. The quick change disc assembly of claim 3, wherein, Quick change disc body (1) and flange (5) are fixedly installed through positioning pin (9).

8. The quick change disc assembly of claim 1, wherein, The diameter difference between clamping groove (15) and limiting convex point (16) is 0.12mm.

Images