CN205704421U - A Three-point Positioning Mechanism for a Middle Supporting Plastic Cylinder - Google Patents

Abstract

The utility model discloses a middle support plastic cylinder body three-point positioning mechanism, which comprises a frame, wherein upper supporting plates are fixed on the top surfaces of two sides of a top plate of the frame, a connecting supporting plate is fixed on the front part of the top plate of the frame, a guide connecting sleeve is inserted in a central through hole arranged in the middle part of the connecting supporting plate, the outer side wall of the rear end of the guide connecting sleeve is welded and fixed on the inner side wall of the central through hole, a middle support cylinder is fixed at the front end of the guide connecting sleeve, a middle support column is fixed on a push rod of the middle support cylinder, and the middle support column is inserted; it adopts centre gripping cylinder and promotion cylinder to decide the automatic centre gripping cylinder in location through two arc recesses and last arc recess to through with the middle support column plug bush in the cylinder, realize the middle part and support, guarantee that the cutting can not make the cylinder warp, its centre gripping is fixed firm, effectual, simultaneously, and simple to operate is connected to its grip block, and it is convenient to dismantle the change.

Description

A Three-point Positioning Mechanism for a Middle Supporting Plastic Cylinder

Technical field:

The utility model relates to the technical field of plastic processing equipment, in particular to a three-point positioning mechanism for an intermediate supporting plastic cylinder.

Background technique:

When the existing cylindrical plastic products need to groove or dig holes in their side walls, they need to use equipment to clamp the cylinder body, but now there is no specific clamping device, which generally uses two screw screws Connected to the support plate, through the rotation of two screws, the clamp blocks fixed at the ends of the two screws clamp and fix the cylinder, and then manually cut, which is very troublesome, and when cutting, due to the cylinder The inside of the cylinder is hollow, and its cutting is easy to deform the cylinder and affect the cutting effect.

Utility model content:

The purpose of this utility model is to address the deficiencies of the prior art, and provide a three-point positioning mechanism for the middle supporting plastic cylinder, which uses a clamping cylinder and a lifting cylinder to pass through two arc grooves and an upper arc groove. The fixed positioning automatically clamps the cylinder, and by inserting the middle support column into the cylinder, the middle support is realized to ensure that the cutting will not deform the cylinder. Its clamping is firm and the effect is good. At the same time, its clamping The holding block connection is easy to install, and it is easy to disassemble and replace.

The technical solutions of the present utility model are as follows:

A three-point positioning mechanism for supporting a plastic cylinder in the middle, including a frame, upper support plates are fixed on both sides of the top plate of the frame, a connecting support plate is fixed on the front of the top plate of the frame, and the connecting support plate The central through hole in the middle part has a guide connecting sleeve, the outer wall of the rear end of the guide connecting sleeve is welded and fixed on the inner wall of the central through hole, the front end of the guiding connecting sleeve is fixed with an intermediate supporting cylinder, and the pusher of the intermediate supporting cylinder An intermediate support column is fixed on the rod, and the intermediate support column is inserted into the guide connecting sleeve;

At least two clamping cylinders are fixed on the outer wall of the upper support plate, the push rods of the two clamping cylinders pass through the upper support plate, and the ends of the push rods of the clamping cylinders are fixed with connecting plates, and the opposite sides of the two connecting plates Clamping blocks are fixed on both surfaces, and the opposite walls of the two clamping blocks have arc-shaped grooves;

The middle part of the top surface of the top plate of the frame has a connection groove, the top surface of the connection groove has telescopic through holes, the bottom surface of the top plate of the frame is fixed with a lifting cylinder, and the end of the push rod of the lifting cylinder passes through vertically upwards. The telescopic through hole is fixed on the bottom surface of the bottom clamping plate, the bottom clamping plate is inserted into the connecting groove, the middle part of the top surface of the bottom plate clamping plate has an upper arc groove, two arc grooves and an upper arc corresponding to the groove.

The outer wall of the clamping block has a plurality of positioning protrusions, the inner wall of the connecting plate has a positioning jack, the inner wall of the positioning jack is screwed with a ball plunger, and the positioning protrusions are inserted into the sleeve. In the corresponding positioning socket, the steel ball of the ball plunger is nested in the concave hole provided on the side wall of the corresponding positioning protrusion.

The top surface of the top plate of the frame is fixed with a guide groove body, the top surface of the guide groove body has a convex-shaped guide groove, the bottom surface of the connecting plate is fixed with a convex-shaped slider, and the convex-shaped slider is inserted into the convex-shaped guide groove .

The rear end of the middle support column has a positioning protrusion, the rear end of the top plate of the frame is fixed with a rear connection plate, and the inner side wall of the rear connection plate has a support positioning concave hole, and the positioning protrusion is connected to the support positioning concave hole. Correspondingly, the central axis of the middle support column is between the two arc-shaped grooves.

The inner side wall of the guide connection sleeve has a positioning axial groove, and the outer side wall of the middle support column has a positioning protruding strip, and the positioning protruding strip is inserted into the corresponding positioning axial groove.

The beneficial effects of the utility model are:

It adopts the clamping cylinder and the lifting cylinder to automatically clamp the cylinder body through two arc grooves and the upper arc groove three fixed positions, and realizes the middle support by inserting the middle support column in the cylinder body, ensuring The cutting will not deform the cylindrical body, and the clamping is firm and the effect is good. At the same time, the clamping block is easy to connect and install, and it is convenient to disassemble and replace.

Description of drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the local enlargement figure of the utility model;

Fig. 3 is a partial top view of the utility model;

Fig. 4 is a schematic diagram of a partial structure of the guide groove of the present invention.

detailed description:

Embodiment: As shown in Figures 1 to 4, a three-point positioning mechanism for supporting a plastic cylinder in the middle includes a frame 100, and upper support plates 10 are fixed on both sides of the top plate of the frame 100, and the machine The front part of the top plate of the frame 100 is fixed with a connection support plate 101, and a guide connection sleeve 103 is inserted in the central through hole 102 in the middle of the connection support plate 101, and the rear end outer side wall of the guide connection sleeve 103 is welded and fixed in the center through hole. On the inner side wall of 102, the front end of the guide connecting sleeve 103 is fixed with an intermediate supporting cylinder 104, and the push rod of the intermediate supporting cylinder 104 is fixed with an intermediate supporting column 105, and the intermediate supporting column 105 is inserted into the guiding connecting sleeve 103;

At least two clamping cylinders 11 are fixed on the outer wall of the upper support plate 10, the push rods of the two clamping cylinders 11 pass through the upper support plate 10, and the ends of the push rods of the clamping cylinders 11 are fixed with a connecting plate 13, Clamping blocks 131 are fixed on opposite surfaces of the two connecting plates 13, and arc-shaped grooves 132 are formed on opposite walls of the two clamping blocks 131;

The middle part of the top surface of the top plate of the frame 100 has a connection groove 12, and the top surface of the connection groove 12 has a telescopic through hole 121. The bottom surface of the top plate of the frame 100 is fixed with a lifting cylinder 14, and the push rod of the lifting cylinder 14 The end passes through the telescopic through hole 121 vertically upwards and is fixed on the bottom surface of the bottom clamping plate 15. The bottom clamping plate 15 is inserted into the connection groove 12, and the middle part of the top surface of the bottom plate clamping plate 15 has an upper arc shape. The groove 151 corresponds to the two arc-shaped grooves 132 and the upper arc-shaped groove 151 .

Furthermore, the outer side wall of the clamping block 131 has a plurality of positioning protrusions 133, the inner side wall of the connecting plate 13 has a positioning jack 134, and the inner side wall of the positioning jack 134 is screwed with a ball stud. The plug 135 and the positioning protruding post 133 are inserted into the corresponding positioning socket 134 , and the steel ball of the ball plunger 135 is nested in the concave hole 1331 provided on the side wall of the corresponding positioning protruding post 133 .

Further, the top surface of the top plate of the frame 100 is fixed with a guide groove body 16, the top surface of the guide groove body 16 has a convex-shaped guide groove 161, and the bottom surface of the connecting plate 13 is fixed with a convex-shaped slider 136, which is convex-shaped. The slider 136 is inserted into the convex-shaped guide groove 161 .

Further, the rear end of the middle support column 105 has a positioning protrusion 1051, the rear end of the top plate of the frame 100 is fixed with a rear connecting plate 106, and the inner side wall of the rear connecting plate 106 has a support positioning concave hole 1061, The positioning protrusion 1051 corresponds to the support positioning concave hole 1061 , and the central axis of the middle support column 105 is located between the two arc-shaped grooves 132 .

Furthermore, the inner side wall of the guide connecting sleeve 103 has a positioning axial groove 1031, and the outer side wall of the intermediate support column 105 has a positioning raised strip 1052, and the positioning raised strip 1052 is inserted into the corresponding positioning axial direction. In groove 1031.

Working principle: Place the cylindrical body 200 in the upper arc-shaped groove 151 of the bottom clamping plate 15, and then push the push rod of the lifting cylinder 14 and the push rod of the clamping cylinder 11, so that the cylindrical body is clamped Between the two clamping blocks 131 and the bottom clamping plate 15, the clamping is firm and the effect is good. Then, the middle support column 105 is inserted into the cylindrical body 200 by pushing the push rod of the middle support cylinder 104, The middle support is realized, and the positioning protrusion 1051 is inserted into the support positioning concave hole 1061 to realize the support.

In this embodiment, the clamping block 131 is positioned and fixed by the ball plunger 135, which makes it easy to disassemble and install. The clamping block 131 of different sizes can be replaced according to different cylinders to meet different clamping needs.

Claims (5)

1. A three-point positioning mechanism for supporting a plastic cylinder in the middle, comprising a frame (100), characterized in that: an upper support plate (10) is fixed on both sides of the top plate of the frame (100), and the machine The front portion of the top plate of the frame (100) is fixed with a connection support plate (101), and the center through hole (102) that the middle part of the connection support plate (101) has has a guide connection sleeve (103). ) is welded and fixed on the inner wall of the central through hole (102), the front end of the guide connection sleeve (103) is fixed with an intermediate support cylinder (104), and the push rod of the intermediate support cylinder (104) is fixed with an intermediate support cylinder (104). The support column (105), the middle support column (105) is inserted into the guide connection sleeve (103); At least two clamping cylinders (11) are fixed on the outer wall of the upper support plate (10), and the push rods of the two clamping cylinders (11) pass through the upper support plate (10), and the push rods of the clamping cylinders (11) pass through the upper support plate (10). The end of the rod is fixed with a connecting plate (13), and the opposite surfaces of the two connecting plates (13) are fixed with clamping blocks (131), and the opposite walls of the two clamping blocks (131) have arc-shaped grooves (132); The middle part of the top surface of the top plate of the frame (100) has a connection groove (12), the top surface of the connection groove (12) has a telescopic through hole (121), and the bottom surface of the top plate of the frame (100) is fixed with a lifting Cylinder (14), the end of the push rod of lifting cylinder (14) passes telescopic through-hole (121) vertically upwards and is fixed on the bottom surface of bottom clamping plate (15), and bottom clamping plate (15) inserts sleeve In the connection groove (12), there is an upper arc-shaped groove (151) in the middle of the top surface of the bottom plate clamping plate (15), and the two arc-shaped grooves (132) correspond to the upper arc-shaped groove (151) . 2. A three-point positioning mechanism for intermediate supporting plastic cylinders according to claim 1, characterized in that: there are a plurality of positioning protrusions (133) on the outer wall of the clamping block (131), and the connecting plate (13) has a positioning jack (134) on the inner wall of the positioning jack (134), and is screwed with a ball plunger (135) on the inner wall of the positioning jack (134). In the hole (134), the steel ball of the ball plunger (135) is nested in the concave hole (1331) provided on the side wall of the corresponding positioning protrusion post (133). 3. according to claim 1, a kind of intermediate support plastic cylinder three-point positioning mechanism is characterized in that: the top surface of the top plate of the frame (100) is fixed with a guide groove body (16), and the guide groove body ( The top surface of 16) has convex-shaped guide groove (161), and the bottom surface of connecting plate (13) is fixed with convex-shaped slide block (136), and convex-shaped slide block (136) is inserted in the convex-shaped guide groove (161). 4. A three-point positioning mechanism for an intermediate supporting plastic cylinder according to claim 1, characterized in that: the rear end of the intermediate supporting column (105) has a positioning protrusion (1051), and the frame (100) The rear end of the top plate is fixed with a rear connection plate (106), and the inner side wall of the rear connection plate (106) has a support positioning concave hole (1061), and the positioning protrusion (1051) corresponds to the support positioning concave hole (1061) , the central axis of the middle support column (105) is between the two arc-shaped grooves (132). 5. A three-point positioning mechanism for an intermediate supporting plastic cylinder according to claim 1, characterized in that: the inner side wall of the guide connecting sleeve (103) has a positioning axial groove (1031), and the intermediate supporting column The outer side wall of (105) has positioning protruding strips (1052), and the positioning protruding strips (1052) are inserted into corresponding positioning axial grooves (1031).