CN212206951U

CN212206951U - Sclerometer convenient to fixed work piece

Info

Publication number: CN212206951U
Application number: CN202020824064.4U
Authority: CN
Inventors: 舒友付; 王行卫
Original assignee: Nantong Xinlongxin Precision Mould Co ltd
Current assignee: Nantong Xinlongxin Precision Mould Co ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2020-12-22
Anticipated expiration: 2030-05-16

Abstract

The utility model relates to a sclerometer convenient to fixed work piece, it includes organism and the elevating platform of setting on the organism, the top of elevating platform is provided with the test bench, be provided with first sliding groove along its length direction on the test bench, the symmetry is provided with a set of resisting tight spring in the first sliding groove, the length direction of resisting tight spring sets up along the length direction of first sliding groove, two the both ends of resisting tight spring and first sliding groove inside wall are mutually fixed and connected respectively, the one end that the resisting tight spring kept away from first sliding groove inside wall is fixedly connected with first sliding block, the roof of first sliding block and the upper surface that is located the test bench are connected with and resist tight board; the utility model discloses have and fix the work piece, avoid its emergence slip when measuring, improve test accuracy's effect.

Description

Sclerometer convenient to fixed work piece

Technical Field

The utility model belongs to the technical field of the technique of sclerometer and specifically relates to a sclerometer convenient to fixed work piece is related to.

Background

At present, a hardness tester is used, metal hardness represents the capability of a material for resisting a hard object to be pressed into the surface of the material, and is one of important performance indexes of a metal material, and generally, the higher the hardness is, the better the wear resistance is.

The existing Chinese patent with the publication number of CN206470143U provides a Vickers hardness tester, which comprises a machine body and a micro ocular lens, wherein the machine body is provided with an installation groove, a lifting table is arranged in the installation groove, a test table is fixed on the lifting table, and the top wall of the installation groove is provided with a pressure head and an objective lens; the workpiece to be tested is placed on the test table, the lifting table drives the test table to move towards the direction of the pressure head, so that the pressure head is driven to abut against the workpiece on the test table, and the workpiece is observed by using the micro-ocular.

The above prior art solutions have the following drawbacks: when some workpieces with irregular surfaces are placed on the test table, when the workpieces are supported by the pressing head, the workpieces easily slide on the test table, and the detection effect on the workpieces is influenced, so that the workpieces are fixed when being tested, and the workpiece fixing device has a good remarkable effect.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a sclerometer convenient to fixed work piece, it has when the test, fixes the work piece, avoids its emergence slip when measuring, improves the advantage of test accuracy.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a sclerometer convenient to fixed work piece, includes organism and the elevating platform of setting on the organism, the top of elevating platform is provided with the test table, be provided with first groove of sliding along its length direction on the test table, first inslot symmetry of sliding is provided with a set of tight spring that supports, the length direction who supports tight spring sets up along the length direction in first groove of sliding, two support tight spring respectively with the mutual fixed connection in both ends of first inslot lateral wall that slides, support the first sliding block of one end fixedly connected with that tight spring kept away from first inslot lateral wall, the roof of first sliding block and the upper surface that is located the test table are connected with and support tight board.

Through adopting above-mentioned technical scheme, place the work piece on the examination bench after, place the work piece between two tight boards, support tight spring drive two first sliding blocks and do the relative motion in first sliding groove this moment to drive two and support tight boards and support tightly to the work piece, realize supporting tightly fixedly to the work piece, when examining the hardness to the work piece, the fixed effectual of work piece, difficult emergence removes the skew, thereby ensure the accuracy of test, convenient operation is swift, the cost of manufacture is low.

The present invention may be further configured in a preferred embodiment as: the abutting plate is arc-shaped.

Through adopting above-mentioned technical scheme, the arc form support tight board be favorable to playing certain limiting displacement to the work piece, improve the fixed effect to the work piece.

The present invention may be further configured in a preferred embodiment as: and the opposite surfaces of the two abutting plates are fixedly provided with rubber layers.

Through adopting above-mentioned technical scheme, the rubber layer has increased and has supported when tight board and work piece contact, the frictional force on its surface to support tight board when supporting tightly the work piece, the work piece is difficult for taking place to slide, and the rubber layer texture is softer simultaneously, protects the work piece, has improved and has supported the fixed effect of tight board to the work piece.

The present invention may be further configured in a preferred embodiment as: the first sliding groove is internally and fixedly provided with a guide rod along the length direction of the first sliding groove, and the first sliding block and the guide rod are connected in a sliding manner.

Through adopting above-mentioned technical scheme, when first sliding block slided along its length direction in first sliding groove, the guide bar had played the guide effect to first sliding block, made first sliding block more stable when sliding.

The present invention may be further configured in a preferred embodiment as: the test bed package piece is gone up test bed and is tried on next test bed, the center department and the elevating platform top fixed connection of test bed bottom down, the second groove of sliding has been seted up along its length direction in the top of test bed down, first groove that slides sets up on the surface of test bed, the diapire of test bed just is located the fixed second sliding block that can slide at the second inslot that slides that is provided with of center department, the lateral wall of second sliding block with the inside wall in second sliding groove laminates each other.

Through adopting above-mentioned technical scheme, when needs are measured the position that the workpiece surface is different, can drive the second sliding block and slide in the second sliding groove, will go up the test bench and take place to slide on the test bench down to changed the position that the work piece is located the pressure head under, convenient to use person tests the position that the workpiece surface is different.

The present invention may be further configured in a preferred embodiment as: the second sliding groove is connected with a screw rod in a rotating mode, the screw rod is connected with the second sliding block in a threaded mode, and the screw rod penetrates through the lower test table and is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, drive the lead screw through turning handle and rotate, make the second sliding block slide at the second inslot that slides along the length direction in second sliding groove to change the detection position of work piece on the bench, set up like this, after the rigidity to the second sliding block, it is difficult for taking place to slide by oneself in the second sliding groove, and the lead screw has played the regulation and has followed fixed effect, guarantees the stability when detecting the work piece.

The present invention may be further configured in a preferred embodiment as: the upper surface of second sliding block just is located its central department and fixedly is provided with the pivot, the bottom of going up the test table just is located its central department and offers the commentaries on classics groove that supplies the pivot to insert the establishment, the inside wall in commentaries on classics groove and the lateral wall in pivot are laminated each other.

By adopting the technical scheme, when the hardness test is required to be carried out on different positions of the surface of the workpiece, the upper test table can be rotated again, so that the upper test table rotates along the axis direction of the rotating shaft, and the convenience is further brought to a user to test different positions of the surface of the workpiece.

The present invention may be further configured in a preferred embodiment as: and an interference piece is arranged between the rotating shaft and the rotating groove.

Through adopting above-mentioned technical scheme, the interference piece has increased frictional force between pivot and the rotary trough to the last test bench is difficult for taking place to rotate along the axis direction of pivot, when guaranteeing that the work piece to place on last test bench, goes up the test bench and has good stability.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the first sliding groove is formed in the test table, the group of first sliding blocks and the abutting springs are symmetrically arranged in the first sliding groove, the abutting springs drive the two first sliding blocks to move oppositely, the abutting plates are fixedly connected with the first sliding blocks, when a workpiece is placed on the test table, the two abutting plates simultaneously abut against the workpiece, and therefore when the hardness of the workpiece is detected, the workpiece is good in fixing effect and not prone to moving and deviating, the testing accuracy is guaranteed, operation is convenient and rapid, and manufacturing cost is low;

2. through setting up the test bench into test bench and lower test bench, the second groove that slides is seted up to lower test bench upper surface, and the fixed second sliding block that can slide in the second that is provided with in test bench bottom can rotate along its axis direction simultaneously to the position that the work piece need be tested on the test bench has been changed, and convenient to use person tests the position that the work piece surface is different.

Drawings

FIG. 1 is a schematic diagram of a hardness tester for facilitating the mounting of a workpiece according to an embodiment.

Fig. 2 is a sectional view for embodying a connection relationship between an upper test bed and a lower test bed in the embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Reference numerals: 1. a body; 11. a lifting platform; 12. a pressure head; 2. testing the table; 21. loading on a test bed; 22. a test bed is placed; 3. a first sliding groove; 31. a first sliding block; 32. the spring is tightly propped; 4. a propping plate; 41. a rubber layer; 5. a guide bar; 6. a second sliding groove; 61. a second sliding block; 7. a screw rod; 71. a handle; 8. a rotating shaft; 81. rotating the groove; 9. interference pieces.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a durometer convenient for fixing a workpiece disclosed by the present invention comprises a machine body 1 and a lifting table 11 disposed on the machine body 1, wherein a test table 2 is disposed on the top of the lifting table 11, the lifting table 11 can drive the test table 2 to move in a vertical direction, a pressure head 12 for testing hardness is disposed right above the lifting table 11, the test table 2 comprises an upper test table 21 and a lower test table 22, the lower test table 22 is rectangular, the upper test table 21 is circular, the center of the bottom of the lower test table 22 is fixedly connected with the top of the lifting table 11, the lower surface of the upper test table 21 is attached to the upper surface of the lower test table 22, a second sliding groove 6 is disposed on the top of the lower test table 22 along the length direction of the top, a second sliding block 61 capable of sliding in the second sliding groove 6 is fixedly disposed on the bottom wall of the upper test table 21 and located at the center, the outer side wall of the second sliding block 61 is attached to the inner side wall of the second sliding groove 6, the second sliding block 61 can slide in the second sliding groove 6 along the length direction thereof; the second sliding groove 6 is internally connected with a screw rod 7 in a rotating manner along the length direction thereof, the screw rod 7 is in threaded connection with the second sliding block 61, the screw rod 7 penetrates through the lower test table 22 and is fixedly connected with a handle 71, the screw rod 7 can be driven to rotate by driving the handle 71 to rotate, the second sliding block 61 is driven to move along the length direction of the screw rod 7, and then the upper test table 21 is driven to horizontally move on the surface of the lower test table 22.

Referring to fig. 2, the upper surface of the second sliding block 61 is provided with the rotating shaft 8 in the center of the upper surface, the bottom of the upper test table 21 is provided with the rotating groove 81 for the rotating shaft 8 to insert in the center of the upper test table, the inner side wall of the rotating groove 81 is fitted with the outer side wall of the rotating shaft 8, an interference piece 9 is arranged between the rotating shaft 8 and the rotating groove 81, the friction force between the outer wall of the rotating shaft 8 and the inner wall of the rotating groove 81 is increased by the interference piece 9, the upper test table 21 is driven, the upper test table can be rotated along the axis direction of the rotating shaft 8, and the workpiece detection.

Referring to fig. 1 and 3, the upper surface of the upper test bed 21 is provided with a first sliding groove 3 along the radial direction thereof, a set of tightening springs 32 are symmetrically arranged in the first sliding groove 3, the length direction of the tightening springs 32 is arranged along the length direction of the first sliding groove 3, the two tightening springs 32 are fixedly connected with the two ends of the inner side wall of the first sliding groove 3 in a welding manner, one ends of the tightening springs 32 far away from the inner side wall of the first sliding groove 3 are fixedly connected with first sliding blocks 31 in a welding manner, the tightening springs 32 drive the two first sliding blocks 31 to move in opposite directions, the top wall of the first sliding block 31 and the upper surface of the test bed 2 are connected with tightening plates 4, the tightening plates 4 are arc-shaped, and the two tightening plates 4 are driven to tighten the workpiece on the test bed 2 through the opposite movement of the two first sliding blocks 31, so as to improve the stability of the workpiece when the workpiece is tested.

Referring to fig. 3, the rubber layer 41 is fixedly bonded to the opposite surfaces of the two abutting plates 4 to increase the friction force of the surfaces.

Referring to fig. 3, a guide rod 5 is fixedly arranged in the first sliding groove 3 along the length direction of the first sliding groove, two first sliding blocks 31 are connected with the guide rod 5 in a sliding manner, a resisting spring 32 is sleeved on the guide rod 5, and when the first sliding blocks 31 slide in the first sliding groove 3, the guide rod 5 plays a role in guiding, so that the first sliding blocks 31 are more stable in sliding.

The implementation principle of the embodiment is as follows: when the hardness of a workpiece needs to be tested, the workpiece is placed on the test table 2 and then placed between the two abutting plates 4, and at the moment, the abutting springs 32 drive the two first sliding blocks 31 to move in the first sliding grooves 3 in opposite directions, so that the two abutting plates 4 are driven to abut against the workpiece, the workpiece is abutted and fixed, the workpiece is not prone to moving and deviating on the test table 2, the testing accuracy is ensured, the operation is convenient and rapid, and the manufacturing cost is low; meanwhile, the worker can rotate the handle 71 to drive the screw rod 7 to rotate, so that the second sliding block 61 slides in the second sliding groove 6, or the upper test table 21 is rotated to rotate along the axial direction of the rotating shaft 8, and the user can conveniently test different positions on the surface of the workpiece.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a sclerometer convenient to fixed work piece, includes organism (1) and elevating platform (11) of setting on organism (1), the top of elevating platform (11) is provided with test bench (2), its characterized in that: the test bed is characterized in that a first sliding groove (3) is formed in the test bed (2) along the length direction of the test bed, a group of abutting springs (32) are symmetrically arranged in the first sliding groove (3), the length direction of the abutting springs (32) is arranged along the length direction of the first sliding groove (3), the abutting springs (32) are fixedly connected with two ends of the inner side wall of the first sliding groove (3) respectively, one end, far away from the inner side wall of the first sliding groove (3), of each abutting spring (32) is fixedly connected with a first sliding block (31), and the top wall of each first sliding block (31) and the upper surface, located on the test bed (2), of each abutting plate (4) are connected.

2. A durometer facilitating the holding of a workpiece, as recited in claim 1, wherein: the abutting plate (4) is arc-shaped.

3. A durometer facilitating the holding of a workpiece, as recited in claim 1, wherein: and a rubber layer (41) is fixedly arranged on the opposite surface of the two abutting plates (4).

4. A durometer facilitating the holding of a workpiece, as recited in claim 1, wherein: and a guide rod (5) is fixedly arranged in the first sliding groove (3) along the length direction of the first sliding groove, and the first sliding block (31) is connected with the guide rod (5) in a sliding manner.

5. A durometer facilitating the holding of a workpiece, as recited in claim 1, wherein: test bench (21) and lower test bench (22) on test bench (2) package piece, the center department and elevating platform (11) top fixed connection of test bench (22) bottom down, the second groove (6) that slides have been seted up along its length direction in the top of test bench (22) down, first groove (3) that slide set up on the surface of last test bench (21), the diapire of going up test bench (21) just is located the fixed second sliding block (61) that can slide in second sliding groove (6) that is provided with of center department, the lateral wall of second sliding block (61) with the inside wall in second sliding groove (6) is laminated each other.

6. A durometer facilitating the holding of a workpiece, as recited in claim 5, wherein: the second sliding groove (6) is rotatably connected with a screw rod (7) in threaded connection with the second sliding block (61), and the screw rod (7) penetrates through the lower test bed (22) and is fixedly connected with a handle (71).

7. A durometer facilitating the holding of a workpiece as recited in claim 6, wherein: the upper surface of second sliding block (61) just is located its central department and fixedly is provided with pivot (8), the bottom of upper test table (21) just is located its central department and offers and supplies pivot (8) to insert commentaries on classics groove (81) of establishing, the inside wall in commentaries on classics groove (81) is laminated each other with the lateral wall of pivot (8).

8. A durometer facilitating the holding of a workpiece as recited in claim 7, wherein: an interference sheet (9) is arranged between the rotating shaft (8) and the rotating groove (81).