Bidirectional double floating centering positioning mechanism

Abstract

The present invention discloses a bidirectional double-floating centering positioning mechanism, a positioning device, wherein the bottom of the positioning device is fixedly connected with a connecting cylinder; a guide seat, wherein the guide seat is nested in the side surface of the connecting cylinder, a screw plug is embedded in the inner cavity of the guide seat, and a first spring is provided on the top of the screw plug; a centering block, wherein the centering block is nested in the side surface of the guide seat, and two symmetrical second springs are provided on both sides of the centering block; and a positioning workpiece. The base of the device of the present invention can position the inclined hole on the positioning workpiece through the positioning point, and the inner positioning surface at the top of the positioning card can position the positioning hole on the positioning workpiece, so as to achieve the positioning of the workpiece while locating the center line of the two sides, and can adapt to the change of the size of the positioning workpiece, thereby improving the applicability. The positioning device and the centering block are pushed by the guide seat, and the positioning workpiece can be fixed by the positioning device and the centering block, thereby realizing the automatic positioning of the positioning workpiece, without manual adjustment, thereby improving the efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of positioning mechanisms, in particular to a bidirectional double-floating centering positioning mechanism. Background Art

[0002] The target workpiece has a V-shaped hollow structure. The center line of the two inclined holes is the center line of the positioning hole. The center line of the two inner sides of the workpiece is also the center line of the positioning hole. The workpiece is a casting, and the casting size is uncertain. The inclined holes are different in height and inner width, so floating positions are used.

[0003] The existing positioning mechanism requires manual adjustment, which is inefficient and has low accuracy, affecting the processing quality. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the background technology and provide a bidirectional double-floating centering and positioning mechanism.

[0005] The technical solution adopted by the present invention is as follows:

[0006] Bidirectional double floating centering positioning mechanism, including:

[0007] A positioning device, the bottom of which is fixedly connected to a connecting cylinder;

[0008] A guide seat, wherein the guide seat is nested in the side surface of the connecting cylinder, a screw plug is embedded in the inner cavity of the guide seat, and a first spring is provided on the top of the screw plug;

[0009] A centering block, wherein the centering block is nested in a side surface of the guide seat, and two symmetrical second springs are provided on both sides of the centering block; and

[0010] A positioning workpiece is sleeved on the top of the positioning device.

[0011] Preferably, the positioning device includes a device base, an inclined hole centering block and a positioning point, the inclined hole centering block is arranged in the middle position of the top surface of the device base, the number of the positioning points is two, which are symmetrically arranged on the top of the inclined hole centering block, and the bottom surface of the device base is fixedly connected to the top surface of the connecting cylinder.

[0012] Preferably, the guide seat comprises a cylinder and a baffle, and the screw plug is arranged in the inner cavity of the cylinder.

[0013] Preferably, the centering block includes a mounting tube and a positioning card, the top end of the second spring is connected to the positioning card, and the bottom end of the second spring is connected to the baffle.

[0014] Preferably, the side surface of the connecting cylinder, the side surface of the cylindrical body and the side surface of the mounting cylinder are all provided with limiting holes, and the three limiting holes are located on the same horizontal line, and the limiting holes are threadedly connected with limiting screws.

[0015] Preferably, the positioning workpiece includes a workpiece body, a positioning hole is provided at the bottom of the workpiece body, two symmetrical inclined holes are provided at the top of the workpiece body, the positioning card can cooperate with the positioning hole, and the positioning point can cooperate with the inclined hole.

[0016] Preferably, the positioning card can cooperate with the positioning hole, and the positioning point can cooperate with the oblique hole.

[0017] Preferably, one end of the first spring away from the screw plug is connected to the bottom of the connecting cylinder by a bolt.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0019] 1. In the present invention, the device base can position the inclined hole on the positioning workpiece through the positioning point, and the inner positioning surface on the top of the positioning card can position the positioning hole on the positioning workpiece, so as to achieve the positioning of the workpiece and the direction positioning of the positioning center line in two directions at the same time, and can adapt to the change of the size of the positioning workpiece, thereby improving the applicability.

[0020] 2. In the present invention, the positioning device and the centering block are pushed by the guide seat, and the positioning device and the centering block can fix the positioning workpiece, thereby realizing automatic positioning of the positioning workpiece without manual adjustment, thereby improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 An exploded view of the present invention;

[0022] Figure 2 It is a front cross-sectional view of the present invention;

[0023] Figure 3 is a side sectional view of the present invention;

[0024] Figure 4 It is a structural schematic diagram of the guide seat in the present invention;

[0025] Figure 5 It is a structural schematic diagram of the positioning device in the present invention;

[0026] Figure 6 It is a structural schematic diagram of the centering block in the present invention;

[0027] Figure 7 An in-place map for positioning a workpiece in the present invention;

[0028] Figure 8 It is a schematic diagram of the structure of positioning workpiece in the present invention;

[0029] Fig. 9 It is a schematic diagram of the structure of positioning workpiece in the present invention.

[0030] Markings in the figure: 1. Positioning device; 11. Device base; 12. Centering block; 13. Positioning point; 2. Connecting cylinder; 3. Guide seat; 31. Cylinder; 32. Baffle; 4. Centering block; 41. Mounting cylinder; 42. Positioning card; 5. Screw plug; 6. First spring; 7. Second spring; 8. Limit screw; 9. Positioning workpiece; 91. Workpiece body; 92. Positioning hole; 93. Oblique hole. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0032] Reference Figure 1-9 , a bidirectional double-floating centering positioning mechanism, comprising a positioning device 1, the bottom of which is fixedly connected with a connecting cylinder 2, the positioning device 1 comprising a device base 11, an oblique hole centering block 12 and a positioning point 13, the oblique hole centering block 12 is arranged in the middle position of the top surface of the device base 11, the number of the positioning points 13 is two, which are symmetrically arranged on the top of the oblique hole centering block 12, the bottom surface of the device base 11 is fixedly connected to the top surface of the connecting cylinder 2, a centering block 4, the centering block 4 is nested in the side surface of the guide seat 3, two symmetrical second springs 7 are arranged on both sides of the centering block 4, the centering block 4 comprises a mounting cylinder 41 and a positioning card 42, the top end of the second spring 7 is connected to the positioning card 42, the bottom end of the second spring 7 is connected to the baffle 32, the positioning card 42 can cooperate with the positioning hole 92, and the positioning point 13 can cooperate with the oblique hole 93;

[0033] The device base 11 can position the inclined hole 93 on the positioning workpiece 9 through the positioning point 13, and the inner positioning surface on the top of the positioning card 42 can position the positioning hole 92 on the positioning workpiece, so as to achieve the positioning of the workpiece 9 and simultaneously position the center line in two directions, and can adapt to the changes in the size of the positioning workpiece 9, thereby improving applicability.

[0034] The guide seat 3 is nested in the side surface of the connecting cylinder 2, the inner cavity of the guide seat 3 is embedded with a screw plug 5, the top of the screw plug 5 is provided with a first spring 6, the guide seat 3 includes a cylinder 31 and a baffle 32, the screw plug 5 is arranged in the inner cavity of the cylinder 31, and the end of the first spring 6 away from the screw plug 5 is connected to the bottom of the connecting cylinder 2 by a bolt.

[0035] The positioning workpiece 9 is sleeved on the top of the positioning device 1 . The positioning workpiece 9 comprises a workpiece body 91 . A positioning hole 92 is provided at the bottom of the workpiece body 91 . Two symmetrical inclined holes 93 are provided at the top of the workpiece body 91 .

[0036] The positioning device 1 and the centering block 4 are pushed by the guide seat 3, and the positioning device 1 and the centering block 4 can fix the positioning workpiece 9, thereby realizing automatic positioning of the positioning workpiece 9 without manual adjustment, thereby improving efficiency.

[0037] Limiting holes are provided on the side surface of the connecting cylinder 2, the side surface of the cylindrical body 31 and the side surface of the mounting cylinder 41, and the three limiting holes are on the same horizontal line. The limiting holes are threadedly connected with limiting screws 8.

[0038] The limit screw 8 can firmly connect the connecting cylinder 2, the guide seat 3 and the centering block 4 together, and at the same time play a limiting role, making the combination of the connecting cylinder 2, the guide seat 3 and the centering block 4 more stable.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Bidirectional double floating centering positioning mechanism, characterized in that: include: A positioning device (1), wherein the bottom of the positioning device (1) is fixedly connected to a connecting cylinder (2); the positioning device (1) comprises a device base (11), an oblique hole centering block (12) and a positioning point (13); the oblique hole centering block (12) is arranged in the middle of the top surface of the device base (11); the number of the positioning points (13) is two and they are symmetrically arranged on the top of the oblique hole centering block (12); the bottom surface of the device base (11) is fixedly connected to the top surface of the connecting cylinder (2); A guide seat (3), the guide seat (3) being nested in the side surface of the connecting cylinder (2), a screw plug (5) being embedded in the inner cavity of the guide seat (3), and a first spring (6) being provided on the top of the screw plug (5); A centering block (4), the centering block (4) being nested in the side surface of the guide seat (3), two symmetrical second springs (7) being provided on both sides of the centering block (4); the centering block (4) comprising a mounting cylinder (41) and a positioning card (42), the top end of the second spring (7) being connected to the positioning card (42), and the bottom end of the second spring (7) being connected to the baffle (32); the side surface of the connecting cylinder (2), the side surface of the cylindrical body (31) and the side surface of the mounting cylinder (41) are all provided with limiting holes, and the three limiting holes are on the same horizontal line, and the limiting holes are internally threadedly connected with limiting screws (8); and A positioning workpiece (9), wherein the positioning workpiece (9) is sleeved on the top of the positioning device (1); the positioning workpiece (9) comprises a workpiece body (91), a positioning hole (92) is provided at the bottom of the workpiece body (91), and two symmetrical inclined holes (93) are provided at the top of the workpiece body (91); the positioning card (42) can be matched with the positioning hole (92), and the positioning point (13) can be matched with the inclined hole (93); the guide seat (3) comprises a cylinder (31) and a baffle (32), and the screw plug (5) is arranged in the inner cavity of the cylinder (31).

2. The bidirectional double floating centering positioning mechanism according to claim 1, characterized in that: One end of the first spring (6) away from the screw plug (5) is connected to the bottom of the connecting cylinder (2) via a bolt.

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