An improved roller dynamic balancing test fixture

Abstract

The utility model discloses an improved roller dynamic balancing detection fixture, which relates to the field of dynamic balancing technology. The utility model includes a base plate, a plurality of fixing holes are provided on the upper surface of the base plate, a slide groove is provided on the surface of the base plate, a servo motor is provided on one side of the base plate, a screw is rotatably connected in the slide groove, a first adjustment device and a second adjustment device are symmetrically provided in the slide groove, a spacer is provided in the slide groove, a first electric push rod is provided on the upper surface of the spacer, and a support plate is provided at the output end of the first electric push rod. The utility model adjusts the first adjustment device and the second adjustment device by the screw rod through the forward and reverse rotation of the servo motor, and moves back and forth to adapt to rollers of different lengths. At the same time, the second electric push rod can be adjusted in height. The support plate can play a supporting role in the process of installing the roller, which is convenient for clamping. At the same time, a quick-change device is provided, which can quickly repair and replace the clamping heads of different sizes.

Description

Technical Field

[0001] The utility model belongs to the technical field of dynamic balancing, and particularly relates to an improved roller dynamic balancing detection fixture. Background Art

[0002] Rollers are usually made of seamless steel pipes. The production process of rollers mainly includes initial turning of the roller body, initial static balancing, interference fit welding of the shaft head, fine turning and dynamic balancing of the rollers. A balancing detection device is required for the dynamic balancing detection of the rollers. Only qualified rollers can be produced after the detection.

[0003] The clamping heads of existing clamps are mostly one-piece structures, which are inconvenient to replace and repair. After long-term use, the clamping heads will wear out. At the same time, due to the different sizes and lengths of rollers, the clamping heads are inconvenient to clamp, which causes limitations in the use of the clamp for roller dynamic balancing detection. Summary of the invention

[0004] The utility model aims to provide an improved roller dynamic balance detection fixture to solve the existing problems.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is an improved roller dynamic balancing detection fixture, comprising a base plate, a plurality of fixing holes are arranged on the upper surface of the base plate, a slide groove is arranged on the surface of the base plate, a servo motor is arranged on one side of the base plate, a screw is rotatably connected in the slide groove, a first adjusting device and a second adjusting device are symmetrically arranged in the slide groove, a spacer is arranged in the slide groove, a first electric push rod is arranged on the upper surface of the spacer, a support plate is arranged at the output end of the first electric push rod, the first adjusting device comprises a sliding block, a second electric push rod is arranged in the sliding block, a fixing plate is arranged at the output end of the second electric push rod, clamping blocks are symmetrically arranged on the upper surface of the fixing plate, a third electric push rod is arranged in the clamping block, and a quick-changing device is arranged at the output end of the third electric push rod.

[0007] The quick-change device includes a quick-change seat and a connecting rod, a clamping block is provided on the peripheral side of the quick-change seat, a spring is sleeved on the peripheral side of the quick-change seat, a plurality of groups of movable grooves are provided on the peripheral side of the quick-change seat, locking beads are provided in the plurality of movable grooves, a sleeve is sleeved on the peripheral side of the quick-change seat, a limiting block is provided on the inner wall of the sleeve, a limiting convex plate is provided on the inner wall of the sleeve, an extrusion block is provided on one side of the limiting convex plate, an empty groove is provided on the inner wall of the sleeve, an active cavity is formed between the sleeve and the quick-change seat, a cavity is provided in the quick-change seat, a limiting convex block is provided on the peripheral side of the quick-change seat, a plurality of groups of locking grooves are provided on the peripheral side of the connecting rod, a clamping head is fixedly connected to the other end of the connecting rod, and a plurality of groups of ball bearings are inlaid on the inner wall annular surface of the clamping head.

[0008] The shape and size of the locking bead are adapted to the movable groove, the shape and size of the locking bead are adapted to the locking groove, the positions of the multiple groups of locking grooves are adapted to the movable groove, and the quick-change seat is snap-fitted with the connecting rod.

[0009] The first adjusting device and the second adjusting device have the same structure. The shape and size of the slider are adapted to the slide slot. The screw penetrates the spacer and is rotatably connected thereto. The screw penetrates the slider and is rotatably matched thereto.

[0010] The servo motor rotates forward and backward, and the screw adjusts the first adjusting device and the second adjusting device to move back and forth to adapt to rollers of different lengths. At the same time, the second electric push rod can adjust the height. The support plate can play a supporting role during the installation of the roller to facilitate clamping.

[0011] The utility model has the following beneficial effects:

[0012] The utility model controls the servo motor to rotate forward and reversely, and the screw rod adjusts the first adjusting device and the second adjusting device to move back and forth to adapt to rollers of different lengths. At the same time, the second electric push rod can adjust the height. The support plate can play a supporting role in the process of installing the roller, which is convenient for clamping. At the same time, a quick-change device is provided, which can quickly repair and replace the clamping heads of different sizes to adapt to rollers of different sizes. The sleeve is slid to one side, the movable cavity is moved to the upper side of the movable groove, the space of the movable groove becomes larger, and the locking bead can move freely. At this time, the connecting rod can be pulled out. When installing, the sleeve is slid to one side, and then the connecting rod is inserted. After the insertion, the sleeve is released, and the sleeve will be reset due to the elastic force of the spring to achieve installation. At the same time, the spacer can prevent the first adjusting device and the second adjusting device from being stuck during adjustment.

[0013] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of an improved roller dynamic balance detection fixture;

[0016] Figure 2 This is the left view of an improved roller dynamic balancing detection fixture;

[0017] Figure 3 for Figure 2 Sectional view of the middle AA section;

[0018] Figure 4 It is a left view of the quick-change device in the utility model;

[0019] Figure 5 for Figure 4 Sectional view of the middle CC;

[0020] Figure 6 for Figure 4 Sectional view of the middle BB section.

[0021] In the accompanying drawings, the list of components represented by each reference numeral is as follows: 1. Base plate; 2. Fixing hole; 3. Servo motor; 4. First adjusting device; 5. Second adjusting device; 6. Spacer; 7. First electric push rod; 8. Support plate; 9. Screw; 10. Quick change device; 11. Slide; 40. Slider; 41. Second electric push rod; 42. Fixing plate; 43. Clamp; 44. Third electric push rod; 45. Clamping head; 46. Ball; 101. Quick change seat; 102. Sleeve; 103. Spring; 104. Cavity; 105. Block; 106. Limit block; 107. Empty slot; 108. Extrusion block; 109. Limiting convex plate; 110. Active cavity; 111. Limiting convex block; 112. Locking bead; 113. Active slot; 114. Connecting rod; 115. Locking slot. 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] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figure 1 - Figure 6 As shown, the utility model is an improved roller dynamic balancing detection fixture, including a base plate 1, a plurality of fixing holes 2 are provided on the upper surface of the base plate 1, a slide groove 11 is provided on the surface of the base plate 1, a servo motor 3 is arranged on one side of the base plate 1, a screw rod 9 is rotatably connected in the slide groove 11, a first adjusting device 4 and a second adjusting device 5 are symmetrically arranged in the slide groove 11, a spacer block 6 is arranged in the slide groove 11, a first electric push rod 7 is arranged on the upper surface of the spacer block 6, a support plate 8 is arranged at the output end of the first electric push rod 7, the first adjusting device 4 includes a slider 40, a second electric push rod 41 is arranged in the slider 40, a fixing plate 42 is arranged at the output end of the second electric push rod 41, a clamping block 43 is symmetrically arranged on the upper surface of the fixing plate 42, a third electric push rod 44 is arranged in the clamping block 43, and a quick change device 10 is arranged at the output end of the third electric push rod 44.

[0026] Further, the quick-change device 10 includes a quick-change seat 101 and a connecting rod 114, a clamping block 105 is arranged on the side of the quick-change seat 101, a spring 103 is sleeved on the side of the quick-change seat 101, a plurality of groups of movable grooves 113 are provided on the side of the quick-change seat 101, locking beads 112 are arranged in the plurality of groups of movable grooves 113, a sleeve 102 is sleeved on the side of the quick-change seat 101, a limiting block 106 is arranged on the inner wall of the sleeve 102, and a limiting convex plate 109 is arranged on the inner wall of the sleeve 102. An extrusion block 108 is provided on one side of the limiting convex plate 109, a hollow groove 107 is provided on the inner wall of the sleeve 102, an active cavity 110 is formed between the sleeve 102 and the quick-change seat 101, a hollow cavity 104 is provided in the quick-change seat 101, limiting convex blocks 111 are provided on the surrounding side of the quick-change seat 101, a plurality of locking grooves 115 are provided on the surrounding side of the connecting rod 114, a clamping head 45 is fixedly connected to the other end of the connecting rod 114, and a plurality of balls 46 are inlaid on the inner wall annular surface of the clamping head 45.

[0027] Furthermore, the shape and size of the locking bead 112 are adapted to the movable groove 113 , the shape and size of the locking bead 112 are adapted to the locking groove 115 , the positions of the multiple groups of locking grooves 115 are adapted to the movable groove 113 , and the quick-change seat 101 is snap-fitted with the connecting rod 114 .

[0028] Furthermore, the first adjusting device 4 and the second adjusting device 5 have the same structure, the shape and size of the slider 40 are adapted to the slide slot 11, the screw 9 passes through the spacer 6 and is rotatably connected thereto, and the screw 9 passes through the slider 40 and rotatably cooperates therewith.

[0029] Furthermore, the servo motor 3 rotates forward and reversely, and the screw 9 adjusts the first adjusting device 4 and the second adjusting device 5 to move back and forth to adapt to rollers of different lengths. At the same time, the second electric push rod 41 can be adjusted in height, and the support plate 8 can play a supporting role during the installation of the roller to facilitate clamping.

[0030] It should be noted that the utility model controls the servo motor 3 to rotate forward and backward, and the screw 9 adjusts the first adjustment device 4 and the second adjustment device 5 to move back and forth to adapt to rollers of different lengths. At the same time, the second electric push rod 41 can be adjusted in height, and the support plate 8 can play a supporting role in the process of installing the roller, which is convenient for clamping; at the same time, a quick-change device 10 is provided, which can quickly repair and replace the clamping head 45 of different sizes to adapt to rollers of different sizes. ; Slide the sleeve 102 to one side, move the active cavity 110 to the upper side of the active groove 113, the space of the active groove 113 becomes larger, and the locking bead 112 can move freely. At this time, the connecting rod 114 can be pulled out. During installation, slide the sleeve 102 to one side, and then insert the connecting rod 114. After insertion, release the sleeve 102. The sleeve 102 will be reset due to the elastic force of the spring 103 to achieve installation. At the same time, the spacer 6 can prevent the first adjusting device 4 and the second adjusting device 5 from getting stuck during adjustment.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An improved roller dynamic balance detection fixture, comprising a base plate (1), characterized in that: The upper surface of the base plate (1) is provided with a plurality of fixing holes (2); the surface of the base plate (1) is provided with a slide groove (11); a servo motor (3) is arranged on one side of the base plate (1); a screw rod (9) is rotatably connected in the slide groove (11); a first adjusting device (4) and a second adjusting device (5) are symmetrically arranged in the slide groove (11); a spacer (6) is arranged in the slide groove (11); a first electric push rod (7) is arranged on the upper surface of the spacer (6); a support plate (8) is arranged at the output end of the first electric push rod (7); the first adjusting device (4) comprises a slider (40); a second electric push rod (41) is arranged in the slider (40); a fixing plate (42) is arranged at the output end of the second electric push rod (41); a clamping block (43) is symmetrically arranged on the upper surface of the fixing plate (42); a third electric push rod (44) is arranged in the clamping block (43); a quick change device (10) is arranged at the output end of the third electric push rod (44).

2. The improved roller dynamic balance detection fixture according to claim 1 is characterized in that: The quick-change device (10) comprises a quick-change seat (101) and a connecting rod (114); a clamping block (105) is arranged on the peripheral side of the quick-change seat (101); a spring (103) is sleeved on the peripheral side of the quick-change seat (101); a plurality of groups of movable grooves (113) are provided on the peripheral side of the quick-change seat (101); locking beads (112) are arranged in the plurality of groups of movable grooves (113); a sleeve (102) is sleeved on the peripheral side of the quick-change seat (101); a limiting block (106) is arranged on the inner wall of the sleeve (102); a limiting convex plate (109) is arranged on the inner wall of the sleeve (102); A squeeze block (108) is arranged on one side of the limiting convex plate (109); a hollow groove (107) is provided on the inner wall of the sleeve (102); an active cavity (110) is formed between the sleeve (102) and the quick-change seat (101); a hollow cavity (104) is provided in the quick-change seat (101); a limiting convex block (111) is arranged on the peripheral side of the quick-change seat (101); a plurality of locking grooves (115) are provided on the peripheral side of the connecting rod (114); a clamping head (45) is fixedly connected to the other end of the connecting rod (114); and a plurality of balls (46) are inlaid on the inner wall annular surface of the clamping head (45).

3. The improved roller dynamic balance detection fixture according to claim 2 is characterized in that: The shape and size of the locking bead (112) are adapted to the movable groove (113), the shape and size of the locking bead (112) are adapted to the locking groove (115), the positions of the multiple groups of locking grooves (115) are adapted to the movable groove (113), and the quick-change seat (101) is snap-fitted with the connecting rod (114).

4. The improved roller dynamic balance detection fixture according to claim 1 is characterized in that: The first adjusting device (4) and the second adjusting device (5) have the same structure. The shape and size of the slider (40) are adapted to the slide groove (11). The screw rod (9) passes through the spacer block (6) and is rotatably connected thereto. The screw rod (9) passes through the slider (40) and is rotatably matched thereto.

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