Measuring head protection device and machine tool measuring head system

Abstract

The utility model provides a measuring head protection device and a machine tool measuring head system, and relates to the technical field of machine tool equipment, and the measuring head protection device comprises a box body, a cover plate, a driving assembly, a measuring head assembly and a guiding assembly. The box body is provided with an opening; the cover plate is rotatably connected with the box body and defines a containing cavity, and the cover plate can seal the opening. The driving assembly is arranged in the accommodating cavity; the measuring head assembly is fixedly connected with one end of the driving assembly, and the end, away from the cover plate, of the second guiding piece is slidably connected with the first guide rail, so that the measuring head assembly has a first position contracting into the containing cavity and a second position stretching out towards the opening. The driving assembly provided by the utility model can drive the measuring head assembly to move relatively, so that the measuring head assembly extends towards the opening or retracts into the accommodating cavity, and the cover plate can rotate relative to the box body to close or open the opening, thereby playing a role in protecting the measuring head assembly, preventing the measuring head assembly from being collided or damaged, and improving the measuring accuracy. And the service life of the measuring head is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool equipment technical field, specifically, relate to a kind of probe protection device and machine tool probe system. BACKGROUND

[0002] The probe in machine tool is measured to workpiece size and position automatically in processing process, it is applicable to the scene of higher precision workpiece processing, ensure that the machining accuracy of workpiece meets design requirement. The probe of machine tool exists knock or accidental impact situation, cause probe to appear damage, influence the service life of machine tool probe. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of probe protection device and machine tool probe system, so that cover plate can be rotated relative to box to close opening or open opening, avoid probe assembly to appear knock or damage, and then promote the service life of probe.

[0004] The first aspect of the utility model provides a kind of probe protection device, which comprises:

[0005] Box, the box is provided with an opening;

[0006] Cover plate, the cover plate is rotatably connected with the box and defines a receiving cavity, and the cover plate can close the opening;

[0007] Drive assembly, the drive assembly is arranged in the receiving cavity;

[0008] Probe assembly, the probe assembly is fixedly connected with one end of the drive assembly;

[0009] Guiding assembly, the guiding assembly includes first guide and second guide, one end of the first guide is movably connected with the fixed part of the drive assembly, one end of the first guide away from the drive assembly is fixedly connected with the probe assembly, the first guide is provided with first guide rail, one end of the second guide is fixedly connected with the cover plate, one end of the second guide away from the cover plate is slidably connected with the first guide rail, so that the probe assembly has the first position of contraction into the receiving cavity and the second position of stretching towards the opening.

[0010] In one possible embodiment of the utility model, the drive assembly includes support base and driving part, the driving part is installed on the support base, and the movable part of the driving part is fixedly connected with the probe assembly.

[0011] In one possible embodiment of the utility model, the support base is provided with second guide rail, and the support base is slidably connected with the first guide through the second guide rail.

[0012] In one possible embodiment of the utility model, the measuring head assembly drives the first guide to move relatively along the first direction relative to the second guide.

[0013] In one possible embodiment of the utility model, one end of the first guide of the first guide is arc-shaped structure close to the cover plate.

[0014] In one possible embodiment of the utility model, the measuring head protection device further includes a damping member, and the damping member is arranged between the support base and the driving member.

[0015] In one possible embodiment of the utility model, the measuring head assembly includes a measuring head member, a placement block and a connecting member, the connecting member is connected to the movable part of the driving member and the placement block respectively, and the measuring head member is connected to the side of the placement block away from the connecting member.

[0016] In one possible embodiment of the utility model, the placement block is provided with a mounting groove and a limiting block, the measuring head member is inserted into the mounting groove, and the limiting block is located on the circumferential side of the measuring head member.

[0017] In one possible embodiment of the utility model, the measuring head assembly includes a probe member and a protective sleeve, one end of the probe member away from the measuring head member is extended, and the protective sleeve is sleeved on the probe member.

[0018] The second aspect of the utility model provides a machine tool measuring head system, which includes the measuring head protection device in any one of the above embodiments.

[0019] Compared with the prior art, the measuring head protection device and machine tool measuring head system have the following beneficial effects: the cover plate is arranged at the opening position of the box body, the driving assembly can drive the measuring head assembly to move relatively, the measuring head assembly can be extended towards the opening or retracted into the accommodating cavity, the measuring head assembly can move relatively between the first position and the second position, the first guide is driven by the measuring head assembly to move relatively with the second guide along the track of the first guide, the cover plate is driven by the second guide to move, the cover plate can rotate relative to the box body to close or open the opening, the normal use of the measuring head assembly is not hindered or affected, in addition, the measuring head assembly can be retracted into the accommodating cavity after use, the measuring head assembly is protected, the measuring head assembly is prevented from being bumped or damaged, and the service life of the measuring head is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the following drawings only show some of the embodiments of the present application, and should not be considered as a limitation to the scope. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0021] Figure 1 A perspective structural schematic of the probe protection device provided in some embodiments of the present application Figure One ;

[0022] Figure 2 A perspective structural schematic of the probe protection device provided in some embodiments of the present application Figure Two ;

[0023] Figure 3 A structural schematic of part A in Figure 2 is shown.

[0024] Figure 4 A perspective structural schematic of the probe protection device provided in some embodiments of the present application Figure Three ;

[0025] Figure 5 A structural schematic of part B in Figure 4 is shown.

[0026] Main component symbol explanation

[0027] 100-probe protection device; 110-box body; 111-opening; 120-cover plate; 130-driving assembly; 131-supporting base; 1311-second guide rail; 132-driving piece; 1321-fixed part; 1322-moving part; 140-probe assembly; 141-probe piece; 142-placing block; 1421-limiting block; 143-connecting piece; 144-probe piece; 145-protection sleeve; 150-guiding assembly; 151-first guiding piece; 1511-first guide rail; 152-second guiding piece; 160-damping piece; X-first direction; Y-second direction; Z-third direction. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents the preferred application of the application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0030] It should be noted that similar reference numbers and letters refer to similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0031] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are merely for the convenience of describing the present application and simplifying the description, and therefore, cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0032] In addition, the terms "horizontal", "vertical", "overhanging", and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0033] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0035] Embodiment 1

[0036] Reference Figure 1 and Figure 2As shown, the embodiment of the present application provides a measuring head protection device 100 for mounting and storing a machine tool measuring head and playing a protection role, which comprises a box body 110, a cover plate 120, a driving assembly 130, a measuring head assembly 140 and a guide assembly 150.

[0037] Specifically, in combination with Figure 2 and Figure 4 As shown, the box body 110 is provided with an opening 111; the cover plate 120 is rotationally connected with the box body 110 and defines a containing cavity, and the cover plate 120 can close the opening 111 so as to facilitate mounting the measuring head assembly 140 in the containing cavity. The driving assembly 130 is arranged in the containing cavity. The measuring head assembly 140 is fixedly connected with one end of the driving assembly 130, the cover plate 120 is arranged at the opening 111 position of the box body 110, and the driving assembly 130 can drive the relative movement of the measuring head assembly 140, so that the measuring head assembly 140 extends towards the opening 111 or the measuring head assembly 140 retracts into the containing cavity.

[0038] The guide assembly 150 comprises a first guide 151 and a second guide 152. One end of the first guide 151 is movably connected with the fixed part 1321 of the driving assembly 130, and the end of the first guide 151 away from the driving assembly 130 is fixedly connected with the measuring head assembly 140. The first guide 151 is provided with a first guide rail 1511. One end of the second guide 152 is fixedly connected with the cover plate 120, and the end of the second guide 152 away from the cover plate 120 is slidably connected with the first guide rail 1511, so that the measuring head assembly 140 has a first position retracted into the containing cavity and a second position extending towards the opening 111. Correspondingly, the measuring head assembly 140 can move relatively between the first position and the second position. The measuring head assembly 140 drives the movement of the first guide 151, so that the first guide 151 and the second guide 152 move relatively through the track of the first guide rail 1511. The second guide 152 drives the movement of the cover plate 120, so that the cover plate 120 can rotate relative to the box body 110 to close or open the opening 111, without hindering or affecting the normal use of the measuring head assembly 140. In addition, the measuring head assembly 140 can be retracted into the containing cavity after use, so as to play a protection role on the measuring head assembly 140 and avoid the bumping or damage of the measuring head assembly 140.

[0039] In the embodiment, the first position is the position of the storage state of the measuring head assembly 140 retracted into the measuring head protection device 100, and the second position is the position of the use state of the measuring head assembly 140 extending out of the measuring head protection device 100 towards the opening 111, so as to facilitate the machining use when the measuring head assembly 140 extends out of the measuring head protection device 100.

[0040] It can be understood that the probe assembly 140 of the probe protection device 100 is a device for accurately measuring the size and position of a workpiece on a numerical control machine tool, which can help the operator or the machine tool to perform high-precision measurement work automatically, thereby ensuring the processing quality. Before processing, the position and direction of the workpiece can be accurately determined using the probe, and the size, shape and position error of the workpiece are detected online to ensure that the processing precision meets the design requirements; for the wear or offset of the measuring tool, the probe can assist in tool length compensation or radius compensation, thereby improving the processing precision, in addition, the probe can also help to calibrate the clamp and measure.

[0041] It should be noted that, as shown in Figure 1 and Figure 2 , the probe protection device 100 has a first direction X, a second direction Y and a third direction Z, wherein the first direction X, the second direction Y and the third direction Z are perpendicular to each other. For example, the first direction X is in the length direction of the probe protection device 100, the second direction Y is in the width direction of the probe protection device 100, and the third direction Z is in the height direction of the probe protection device 100. It can be understood that the above definitions are only for the purpose of understanding the relative position relationship of each part in the probe protection device 100, and should not be understood as a limitation of the present application.

[0042] In one embodiment, optionally, as shown in Figure 2 , the driving assembly 130 includes a support base 131 and a driving piece 132, the driving piece 132 is installed on the support base 131, the movable part 1322 of the driving piece 132 is fixedly connected with the probe assembly 140, the driving piece 132 can drive the movable part 1322 to move relative to the fixed part 1321 of the driving piece 132, so that the movable part 1322 of the driving piece 132 drives the probe assembly 140 to move, and the probe assembly 140 can move between the first position and the second position.

[0043] Optionally, as shown in Figure 4 , the support base 131 is provided with a second guide rail 1311, and the support base 131 is slidably connected with the first guide piece 151 through the second guide rail 1311. The second guide rail 1311 of the support base 131 is used to connect and support the first guide piece 151, so as to facilitate the relative sliding of the first guide piece 151 on the second guide rail 1311 driven by the probe assembly 140, so that the first guide piece 151 is pushed by the second guide piece 152 to open the cover plate 120, and the probe assembly 140 is extended out of the probe protection device 100 towards the opening 111 position for use.

[0044] In one embodiment, optionally, as shown in Figure 2As shown, the probe assembly 140 drives the first guide 151 to move relative to the second guide rail 1311 along the first direction X, i.e. the probe assembly 140 moves along the length direction of the probe protection device 100, so that the probe assembly 140 moves to the second position, and the probe assembly 140 drives the first guide 151 to move along the length direction of the probe protection device 100, the first guide 151 pushes the cover plate 120 to open, preventing the cover plate 120 from affecting and hindering the probe assembly 140.

[0045] In summary, the cover plate 120 of the probe protection device 100 is arranged at the opening 111 of the box body 110, the driving assembly 130 can drive the probe assembly 140 to move relatively, so that the probe assembly 140 extends towards the opening 111 or the probe assembly 140 retracts into the accommodating cavity, the probe assembly 140 can move relatively between the first position and the second position, the probe assembly 140 drives the first guide 151 to move, so that the first guide 151 moves relative to the second guide 152 through the track of the first guide rail 1511, the second guide 152 drives the cover plate 120 to move, so that the cover plate 120 can rotate relative to the box body 110 to close or open the opening 111, without hindering and affecting the normal use of the probe assembly 140, in addition, the probe assembly 140 can be retracted into the accommodating cavity after use, which protects the probe assembly 140, avoids the probe assembly 140 from being bumped or damaged, and further improves the service life of the probe.

[0046] Embodiment 2

[0047] Reference Figure 1 and Figure 2 As shown, the embodiment of the present application provides another probe protection device 100, which comprises a box body 110, a cover plate 120, a driving assembly 130, a probe assembly 140 and a guide assembly 150.

[0048] Specifically, in combination with Figure 2 and Figure 4As shown, the box 110 is provided with an opening 111; the cover plate 120 is rotationally connected with the box 110 and defines a containing cavity, and the cover plate 120 can close the opening 111 so as to facilitate installation of the probe head assembly 140 in the containing cavity. The drive assembly 130 is arranged in the containing cavity. The probe head assembly 140 is fixedly connected with one end of the drive assembly 130. The guide assembly 150 comprises a first guide 151 and a second guide 152. One end of the first guide 151 is movably connected with the fixed part 1321 of the drive assembly 130, and the end of the first guide 151 away from the drive assembly 130 is fixedly connected with the probe head assembly 140. The first guide 151 is provided with a first guide rail 1511. One end of the second guide 152 is fixedly connected with the cover plate 120, and the end of the second guide 152 away from the cover plate 120 is slidably connected with the first guide rail 1511, so that the probe head assembly 140 has a first position of being retracted into the containing cavity and a second position of extending towards the opening 111. Correspondingly, the cover plate 120 is arranged at the position of the opening 111 of the box 110, and the drive assembly 130 can drive the relative movement of the probe head assembly 140, so that the probe head assembly 140 extends towards the opening 111 or the probe head assembly 140 is retracted into the containing cavity. The probe head assembly 140 can move relatively between the first position and the second position. The movement of the probe head assembly 140 drives the movement of the first guide 151, so that the first guide 151 and the second guide 152 move relatively through the track of the first guide rail 1511. The movement of the second guide 152 drives the movement of the cover plate 120, so that the cover plate 120 can rotate relative to the box 110 to close or open the opening 111, without hindering or affecting the normal use of the probe head assembly 140. In addition, the probe head assembly 140 can be retracted into the containing cavity after use, so as to protect the probe head assembly 140 and avoid bumping or damage of the probe head assembly 140.

[0049] It should be noted that, as Figure 1 and Figure 2 shown, the probe head protection device 100 has a first direction X, a second direction Y and a third direction Z, wherein the first direction X, the second direction Y and the third direction Z are arranged perpendicularly between each other. For example, the first direction X is in the length direction of the probe head protection device 100, the second direction Y is in the width direction of the probe head protection device 100, and the third direction Z is in the height direction of the probe head protection device 100.

[0050] In one embodiment, optionally, as Figure 2As shown, the driving assembly 130 comprises a support base 131 and a driving member 132, the driving member 132 is mounted on the support base 131, the movable part 1322 of the driving member 132 is fixedly connected with the probe head assembly 140, the driving member 132 can drive the movable part 1322 to move relative to the fixed part 1321 of the driving member 132, so that the movable part 1322 of the driving member 132 drives the probe head assembly 140 to move, and the probe head assembly 140 can move between the first position and the second position.

[0051] Optionally, referring to Figure 4 As shown, the support base 131 is provided with a second guide rail 1311, the support base 131 is slidably connected with the first guide 151 through the second guide rail 1311, the second guide rail 1311 of the support base 131 is used for connecting and supporting the first guide 151, so as to facilitate the probe head assembly 140 to drive the first guide 151 to slide on the second guide rail 1311, and the first guide 151 pushes the cover plate 120 to open through the second guide 152, so that the probe head assembly 140 extends out of the probe head protection device 100 to be used.

[0052] In one embodiment, optionally, as Figure 2 As shown, the probe head assembly 140 drives the first guide 151 to move relative to the second guide rail 1311 along the first direction X, that is, the probe head assembly 140 moves along the length direction of the probe head protection device 100, so that the probe head assembly 140 moves to the second position, and the probe head assembly 140 drives the first guide 151 to move along the length direction of the probe head protection device 100, and the first guide 151 pushes the cover plate 120 to open, so as to prevent the cover plate 120 from affecting and hindering the probe head assembly 140.

[0053] Optionally, referring to Figure 2 and Figure 4 As shown, the first guide rail 1511 of the first guide 151 is arc-shaped at one end close to the cover plate 120, and the path of the cover plate 120 driven by the second guide 152 is not a straight line, so that the path trajectory of the second guide 152 matches the arc-shaped first guide rail 1511. Demonstratively, the first guide rail 1511 has an arc-shaped section, the arc-shaped first guide rail 1511 is slidably connected with the second guide 152, so as to facilitate the path trajectory of the cover plate 120 driven by the second guide 152 to correspond to the arc-shaped section.

[0054] In one embodiment, as Figure 4As shown, the probe protection device 100 further comprises a damping member 160, which is arranged between the support base 131 and the driving member 132. The damping member 160 is used to damp the position of the driving member 132 and the first guide member 151, so as to reduce the shaking of the probe assembly 140 and protect the stability of the probe assembly 140 during movement. For example, the damping member 160 is an oil pressure damper, also known as a hydraulic damper, which is used to absorb and dissipate vibration energy. The oil pressure damper mainly realizes the damping effect by controlling the resistance of oil flowing between two chambers through the reciprocating movement of a piston in a cylinder.

[0055] In one embodiment, referring to Figure 2 and Figure 3 As shown, the probe assembly 140 comprises a probe member 141, a placement block 142, and a connecting member 143. The connecting member 143 is connected to the movable part 1322 of the driving member 132 and the placement block 142, respectively. The probe member 141 is connected to the side of the placement block 142 away from the connecting member 143. The placement block 142 is used to place and support the probe member 141. The movable part 1322 of the driving member 132 drives the relative movement of the placement block 142 through the connecting member 143. Further, the connecting member 143 is a connecting block that connects and separates the probe assembly 140 and the driving member 132. For example, the connecting member 143 has a bent structure.

[0056] Optionally, as shown in Figure 3 The placement block 142 is provided with a mounting groove and a limiting block 1421. The probe member 141 is inserted into the mounting groove. The limiting block 1421 is located at the circumferential side of the probe member 141. The limiting block 1421 is used to limit the probe member 141. The limiting block 1421 limits the probe member 141 in the mounting groove, so as to prevent the probe member 141 from shaking or separating from the mounting groove during relative movement. Further, a plurality of limiting blocks 1421 are arranged at the four positions around the probe member 141.

[0057] In one embodiment, as shown in Figure 5 The probe assembly 140 comprises a probe member 144 and a protective sleeve 145. The probe member 144 extends towards the end away from the probe member 141. The protective sleeve 145 is sleeved on the probe member 144. The protective sleeve 145 is used to protect the probe member 144, so as to avoid the knocking of the probe member 144 during the overturning of the cover plate 120, and has a better technical effect.

[0058] Embodiment 3

[0059] The embodiment of the utility model further provides a machine tool measuring head system, including the measuring head protection device 100 in embodiment 1 or embodiment 2, and the machine tool measuring head system containing machine tool measuring head system has all beneficial effects of measuring head protection device 100, here will not be explained in detail.

[0060] In all examples shown and described herein, any specific values are to be interpreted as merely exemplary and not limiting, and thus other examples of the example embodiments can have different values.

[0061] The above-described embodiments only express several implementation manners of the utility model, and the description is relatively specific and detailed, but it should not be understood as the limitation of the scope of the utility model. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model.

Claims

1. A probe protection device, characterized in that, The utility model relates to a kind of measuring head protection device, including: Box, the box is provided with an opening; Cover plate, the cover plate is rotatably connected with the box and defines a containing cavity, and the cover plate can close the opening; Drive assembly, the drive assembly is arranged in the containing cavity; Measuring head assembly, the measuring head assembly is fixedly connected with one end of the drive assembly; Guide assembly, the guide assembly includes a first guide and a second guide, one end of the first guide is movably connected with the fixed part of the drive assembly, the end of the first guide away from the drive assembly is fixedly connected with the measuring head assembly, the first guide is provided with a first guide rail, one end of the second guide is fixedly connected with the cover plate, the end of the second guide away from the cover plate is slidably connected with the first guide rail, so that the measuring head assembly has the first position of being retracted into the containing cavity and the second position of extending towards the opening.

2. The probe protection device of claim 1, wherein, The drive assembly includes a support base and a drive member, the drive member is mounted on the support base, and the movable part of the drive member is fixedly connected with the measuring head assembly.

3. The probe protection device of claim 2, wherein, The support base is provided with a second guide rail, and the support base is slidably connected with the first guide through the second guide rail.

4. The probe protection device of claim 3, wherein, The measuring head assembly drives the first guide to move relatively along the first direction with respect to the second guide rail.

5. The probe protection device of claim 4, wherein, The first guide rail of the first guide is arc-shaped near one end of the cover plate.

6. The probe protection device of claim 2, wherein, Further comprising a shock-absorbing member, the shock-absorbing member is arranged between the support base and the drive member.

7. A probe protection device according to any one of claims 2 to 6, characterised in that, The measuring head assembly includes a measuring head member, a placement block and a connecting member, the connecting member is connected with the movable part of the drive member and the placement block respectively, and the measuring head member is connected with the side of the placement block away from the connecting member.

8. The probe protection device of claim 7, wherein, The placement block is provided with a mounting groove and a limiting block, the measuring head member is inserted into the mounting groove, and the limiting block is located on the circumferential side of the measuring head member.

9. The probe protection device of claim 7, wherein, The measuring head assembly includes a probe member and a protective sleeve, the probe member extends towards one end away from the measuring head member, and the protective sleeve is sleeved on the probe member.

10. A machine tool probe system characterised in that, The utility model relates to a kind of measuring head protection device, including: The measuring head protection device according to any one of claims 1 to 9.

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