A gantry type three-coordinate measuring machine guide rail structure

Abstract

The utility model discloses a guide rail structure of a gantry type three-dimensional coordinate measuring machine, including two symmetrically distributed support platforms, the bottom of the support platforms are fixedly connected with two symmetrically distributed support rods, the top of the support platforms are fixedly connected with a guide rail, the outer side of the guide rail is slidably sleeved with a guide seat, the inner side of the guide seat is fixedly connected with a connecting platform, and the two guide seats are commonly fixedly connected with a guide rod. The utility model can guide the sliding of the guide seat and the movement of the measuring head by designing the sliding connection between the guide seat and the guide rail. During the sliding process of the guide seat, the guide seat will drive the ball to move, and the ball will be squeezed by the protrusion when it contacts the convex block, so that the ball can drive the connecting sleeve to move upward, and the connecting sleeve can squeeze the sponge block, so that the lubricating oil inside the sponge block can be taken out, which is convenient for lubricating the guide seat and the guide rail structure and reducing friction. The sponge block is convenient for adding lubricating oil and is easy to use.

Description

Technical Field

[0001] The utility model relates to the technical field of guide rail structures, in particular to a guide rail structure of a gantry type three-coordinate measuring machine. Background Art

[0002] Three-dimensional coordinate measuring machine is widely used in machinery, electronics, instrumentation, plastics and other industries. Three-dimensional coordinate measuring machine is one of the most effective methods to measure and obtain dimensional data, because it can replace a variety of surface measurement tools and expensive combination gauges, and reduce the time required for complex measurement tasks from hours to minutes, which is an effect that other instruments cannot achieve.

[0003] The utility model patent with the patent authorization announcement number CN202853587U discloses a three-coordinate measuring machine with a temperature display function. The prior art has the problem that the temperature data collected by the temperature sensor cannot be directly observed, and the operator cannot be correctly guided to operate the three-coordinate measuring machine. In order to solve the above problems, the technical solution provided by the utility model is: a three-coordinate measuring machine with a temperature display function, including multiple temperature sensors arranged on the three-coordinate measuring machine, and also including a display screen, and the temperature sensor and the display screen are connected through a data transmission line. The utility model can observe the temperature data collected by multiple temperature sensors installed in the three-coordinate measuring machine and the working environment through the display screen, so as to ensure the correctness of the measurement results of the three-coordinate measuring machine.

[0004] In the above-mentioned prior art, the current gantry-type three-dimensional coordinate measuring machine needs to guide the movement of the measuring head when in use. However, due to the effect of friction during the guiding process, the friction between the guide components will affect the service life. Therefore, it is necessary to add lubricating oil to the guide components to reduce the service life. However, it is not convenient to add lubricating oil manually. Therefore, improvements are needed. Utility Model Content

[0005] The utility model aims to provide a gantry type three-coordinate measuring machine guide rail structure, which solves the problem of inconvenient lubrication of the guide assembly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gantry-type three-dimensional coordinate measuring machine guide rail structure, comprising two symmetrically distributed support tables, the bottom of the support tables are fixedly connected to two symmetrically distributed support rods, the top of the support tables is fixedly connected to a guide rail, the outer side of the guide rail is slidably sleeved with a guide seat, the inner side of the guide seat is fixedly connected to a connecting table, a guide rod is commonly fixedly connected between the two guide seats, the outer side of the guide rod is slidably sleeved with a connecting seat, the connecting seat is slidably connected to the connecting table, an electric push rod is arranged on the top of the connecting seat, a measuring head is arranged on the bottom of the connecting seat, a guiding mechanism is arranged on the guide seat, and a shielding mechanism is arranged on the support table.

[0007] Preferably, the guide mechanism includes a convex block, the top of the guide rail is fixedly connected with a convex block, the top of the convex block contacts a ball, the outer side of the ball is movably sleeved with a connecting sleeve, the outer side of the connecting sleeve is slidably sleeved with a sleeve, the sleeve is fixedly connected to the guide seat, a sponge block is arranged inside the sleeve, a first spring is arranged inside the sponge block, the upper end of the sponge block contacts a plug, and the plug is respectively clamped with the sleeve and the guide seat. By designing the guide mechanism, it is convenient to lubricate the sliding of the guide seat.

[0008] Preferably, the upper part of the sponge block is fixedly connected to the sleeve, and the lower part of the sponge block is in contact with the sleeve. By designing the sponge block, the sponge block can be squeezed when the connecting sleeve moves.

[0009] Preferably, one end of the first spring is fixedly connected to the sponge block, and the other end of the first spring is fixedly connected to the connecting sleeve. By designing the first spring, the force of the first spring can act on the connecting sleeve.

[0010] Preferably, the shielding mechanism includes a baffle, the outer side of the support platform is in contact with the baffle, the outer side of the baffle is fixedly connected to a handle, the outer side of the baffle is slidably sleeved with a fixed seat, the fixed seat is fixedly connected to the support platform, the outer side of the baffle is fixedly connected to a guide block, the guide block is slidably connected to the fixed seat, one end of the baffle close to the inner side wall of the fixed seat is fixedly connected to a guide rod, the guide rod is slidably connected to the fixed seat, and a second spring is arranged on the outer side of the guide rod. By designing the shielding mechanism, it is convenient to remove the guide seat from the guide rail.

[0011] Preferably, a guide groove is provided inside the fixing seat, and a guide block is slidably connected inside the guide groove. The guide groove is designed so that the guide block can slide along the guide groove.

[0012] Preferably, one end of the second spring is fixedly connected to the baffle, and the other end of the second spring is fixedly connected to the fixing seat. By designing the second spring, the force of the second spring can act on the baffle.

[0013] Preferably, the outer side of the guide rod is fixedly connected with a limiting block, and the limiting block is annular. By designing the limiting block, the guide rod can be prevented from being separated from the fixing seat.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model can guide the sliding of the guide seat and the guide rail by designing a sliding connection between the guide seat and the guide rail, and further guide the movement of the measuring head. During the sliding process of the guide seat, the guide seat will drive the ball to move, and the ball will be squeezed by the protrusion when it moves and contacts with the protrusion, so that the ball can drive the connecting sleeve to move upward, and the connecting sleeve can squeeze the sponge block, and the lubricating oil inside the sponge block can be taken out, which is convenient for lubricating the guide seat and guide rail structure and reducing friction. The sponge block is convenient for adding lubricating oil and is easy to use.

[0016] 2. The utility model can shield and close the front and rear ends of the guide rail by designing the baffle, so as to prevent the guide seat from being separated from the guide rail. By pushing the handle horizontally, the baffle can be moved horizontally and separated from the guide rail. At this time, the guide seat can be slid out from the guide rail and the support platform, so as to facilitate the inspection and maintenance of the guide assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0019] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0020] Figure 4 For this utility model Figure 2 Enlarged view of point B.

[0021] In the figure: 1. support platform; 2. support rod; 3. guide rail; 4. guide seat; 5. connecting platform; 6. guide rod; 7. connecting seat; 8. guiding mechanism; 9. shielding mechanism; 10. electric push rod; 11. measuring head; 81. bump; 82. ball; 83. connecting sleeve; 84. sleeve; 85. sponge block; 86. first spring; 87. plug; 91. baffle; 92. handle; 93. fixed seat; 94. guide block; 95. guide groove; 96. guide rod; 97. second spring; 98. limit block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2A gantry-type three-dimensional coordinate measuring machine guide rail structure comprises two symmetrically distributed support platforms 1, two symmetrically distributed support rods 2 are fixedly connected to the bottom of the support platform 1, a guide rail 3 is fixedly connected to the top of the support platform 1, a guide seat 4 is slidably sleeved on the outer side of the guide rail 3, a connecting platform 5 is fixedly connected on the inner side of the guide seat 4, a guide rod 6 is fixedly connected between the two guide seats 4, a connecting seat 7 is slidably sleeved on the outer side of the guide rod 6, the connecting seat 7 is slidably connected to the connecting platform 5, an electric push rod 10 is arranged on the top of the connecting seat 7, a measuring head 11 is arranged on the bottom of the connecting seat 7, a guiding mechanism 8 is arranged on the guide seat 4, and a shielding mechanism 9 is arranged on the support platform 1.

[0024] See also Figure 1 , Figure 2 , Figure 3 The guide mechanism 8 includes a protrusion 81, a protrusion 81 is fixedly connected to the top of the guide rail 3, a ball 82 is contacted to the top of the protrusion 81, a connecting sleeve 83 is movably sleeved on the outer side of the ball 82, a sleeve 84 is slidably sleeved on the outer side of the connecting sleeve 83, the sleeve 84 is fixedly connected to the guide seat 4, a sponge block 85 is arranged inside the sleeve 84, a first spring 86 is arranged inside the sponge block 85, one end of the first spring 86 is fixedly connected to the sponge block 85, and the other end of the first spring 86 is fixedly connected to the connecting sleeve 83. By designing the first spring 86, the force of the first spring 86 can act on the connecting sleeve 83, the upper end of the sponge block 85 is contacted with a plug 87, and the plug 87 is respectively clamped with the sleeve 84 and the guide seat 4. By designing the guide mechanism 8, it is convenient to lubricate the sliding of the guide seat 4.

[0025] See also Figure 1 , Figure 2 , Figure 4 The shielding mechanism 9 includes a baffle 91, the outer side of the support platform 1 contacts the baffle 91, the outer side of the baffle 91 is fixedly connected with a handle 92, the outer side of the baffle 91 is slidably sleeved with a fixed seat 93, the fixed seat 93 is fixedly connected to the support platform 1, the outer side of the baffle 91 is fixedly connected with a guide block 94, the guide block 94 is slidably connected to the fixed seat 93, a guide groove 95 is opened inside the fixed seat 93, and the guide block 94 is slidably connected inside the guide groove 95. By designing the guide groove 95, the guide block 94 can slide along the guide groove 95, and one end of the baffle 91 close to the inner side wall of the fixed seat 93 is fixedly connected with a guide block 94. The guide rod 96 is slidably connected to the fixed seat 93, and a second spring 97 is arranged on the outer side of the guide rod 96. One end of the second spring 97 is fixedly connected to the baffle 91, and the other end of the second spring 97 is fixedly connected to the fixed seat 93. By designing the second spring 97, the force of the second spring 97 can act on the baffle 91. The outer side of the guide rod 96 is fixedly connected to a limiting block 98, and the limiting block 98 is annular. By designing the limiting block 98, the guide rod 96 can be prevented from being separated from the fixed seat 93. By designing the shielding mechanism 9, it is convenient to remove the guide seat 4 from the guide rail 3.

[0026] The specific implementation process of the utility model is as follows: when in use, the connecting seat 7 can slide along the connecting platform 5 and the guide rod 6, and the guide seat 4 can slide along the guide rail 3, and the measuring position of the measuring head 11 can be flexibly adjusted, which is convenient to use. During the sliding process of the guide seat 4 along the guide rail 3, the ball 82 will slide and contact the protrusion 81, the protrusion 81 will squeeze the ball 82, and the ball 82 will drive the connecting sleeve 83 to move upward, and the connecting sleeve 83 moves upward to squeeze the sponge block 85 and the first spring 86, so that the lubricating oil inside the sponge block 85 can be squeezed out, which is convenient for lubricating the guide seat 4 and the guide rail 3 structure and reducing friction. By pulling out the plug 87, lubricating oil can be added to the sponge block 85, which is convenient to use.

[0027] When the guide seat 4 needs to be removed from the guide rail 3, the handle 92 is directly pushed horizontally. The handle 92 drives the baffle 91 to move, and the baffle 91 drives the guide block 94 to slide along the guide groove 95. At the same time, the baffle 91 drives the guide rod 96 to move. The baffle 91 will squeeze the second spring 97 to separate the baffle 91 from the guide rail 3. At this time, the guide seat 4 can be slid and removed from the guide rail 3, which is convenient for inspection and maintenance of the guide assembly.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gantry-type three-dimensional coordinate measuring machine guide rail structure, comprising two symmetrically distributed support platforms (1), characterized in that: The bottom of the support platform (1) is fixedly connected to two symmetrically distributed support rods (2); the top of the support platform (1) is fixedly connected to a guide rail (3); the outer side of the guide rail (3) is slidably sleeved with a guide seat (4); the inner side of the guide seat (4) is fixedly connected to a connecting platform (5); a guide rod (6) is fixedly connected between the two guide seats (4); the outer side of the guide rod (6) is slidably sleeved with a connecting seat (7); the connecting seat (7) is slidably connected to the connecting platform (5); an electric push rod (10) is arranged on the top of the connecting seat (7); a measuring head (11) is arranged on the bottom of the connecting seat (7); a guiding mechanism (8) is arranged on the guide seat (4); and a shielding mechanism (9) is arranged on the support platform (1).

2. The guide rail structure of a gantry type three-dimensional coordinate measuring machine according to claim 1, characterized in that: The guide mechanism (8) comprises a protrusion (81), the top of the guide rail (3) is fixedly connected to the protrusion (81), the top of the protrusion (81) contacts a ball (82), the outer side of the ball (82) is movably sleeved with a connecting sleeve (83), the outer side of the connecting sleeve (83) is slidably sleeved with a sleeve (84), the sleeve (84) is fixedly connected to the guide seat (4), a sponge block (85) is arranged inside the sleeve (84), a first spring (86) is arranged inside the sponge block (85), the upper end of the sponge block (85) contacts a plug (87), and the plug (87) is respectively clamped with the sleeve (84) and the guide seat (4).

3. The guide rail structure of a gantry type three-dimensional coordinate measuring machine according to claim 2, characterized in that: The upper portion of the sponge block (85) is fixedly connected to the sleeve (84), and the lower portion of the sponge block (85) is in contact with the sleeve (84).

4. The guide rail structure of a gantry type three-dimensional coordinate measuring machine according to claim 2, characterized in that: One end of the first spring (86) is fixedly connected to the sponge block (85), and the other end of the first spring (86) is fixedly connected to the connecting sleeve (83).

5. The guide rail structure of a gantry type three-dimensional coordinate measuring machine according to claim 1, characterized in that: The shielding mechanism (9) comprises a baffle (91), the outer side of the support platform (1) contacts the baffle (91), the outer side of the baffle (91) is fixedly connected to a handle (92), the outer side of the baffle (91) is slidably sleeved with a fixing seat (93), the fixing seat (93) is fixedly connected to the support platform (1), the outer side of the baffle (91) is fixedly connected to a guide block (94), the guide block (94) is slidably connected to the fixing seat (93), one end of the baffle (91) close to the inner side wall of the fixing seat (93) is fixedly connected to a guide rod (96), the guide rod (96) is slidably connected to the fixing seat (93), and a second spring (97) is arranged on the outer side of the guide rod (96).

6. The guide rail structure of a gantry type three-dimensional coordinate measuring machine according to claim 5, characterized in that: A guide groove (95) is provided inside the fixing seat (93), and a guide block (94) is slidably connected inside the guide groove (95).

7. The guide rail structure of a gantry type three-dimensional coordinate measuring machine according to claim 5, characterized in that: One end of the second spring (97) is fixedly connected to the baffle (91), and the other end of the second spring (97) is fixedly connected to the fixing seat (93).

8. The guide rail structure of a gantry type three-dimensional coordinate measuring machine according to claim 5, characterized in that: The outer side of the guide rod (96) is fixedly connected to a limiting block (98), and the limiting block (98) is ring-shaped.

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