Self-adjusting positioning device for fastener machining

Abstract

The utility model relates to the technical field of fastener processing, in particular to a self-adjusting positioning device for fastener processing, which comprises a positioning seat, an adjusting groove arranged on the inner side of the positioning seat, two adjusting blocks slidably arranged in the adjusting groove, a clamping block arranged at the upper end of each adjusting block, and a second rubber block arranged at the lower end of each adjusting block. The left side and the right side of the positioning seat are each provided with a supporting piece, a positioning plate is arranged between the two supporting pieces, the upper end of the positioning plate is provided with a first rubber block, the first rubber block is arranged below the two second rubber blocks, and the lower end of the positioning seat is provided with a second adjusting mechanism used for adjusting the distance between the positioning plate and the adjusting block. And after the workpiece is positioned, the positioning plate is lifted upwards through the second adjusting mechanism, the first rubber block extrudes the second rubber block, and secondary movement of the adjusting block is limited in a damping increasing mode, so that when the clamping block fixes the fastener, loosening caused by loosening of the adjusting block is avoided, and the stability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener processing technical field especially relates to a self -adjusting positioning device for fastener processing. BACKGROUND

[0002] Fastener is a kind of mechanical parts for fastening connection and is widely used, and is used in energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, mould and hydraulic industry and the like, and can be seen in various mechanical, equipment, vehicle, ship, railway, bridge, building, structure, tool, instrument, chemical industry, instrument and article and the like, and is the most widely used mechanical basic part, and its characteristics are variety and specification, performance and purpose are different, and the degree of standardization, serialization and generalization is also extremely high.

[0003] For example, the Chinese patent with the application number CN202120520411.9 discloses a fixing device for fastener processing for automobile, which comprises a fixing seat, two threaded rods movably installed on the inner side of the fixing seat, two gaskets movably installed on the outer side of the two threaded rods and located on the right side of the fixing seat, and two nuts movably installed on the outer side of the two threaded rods and located on the right side of the corresponding gaskets. The fixing device for fastener processing for automobile is provided with a fixing seat, threaded rods, gaskets, nuts, movable clamping rings, movable clamping ring pads, fixed clamping rings and fixed clamping ring pads. The fastener is placed on the inner side of the movable clamping ring and the fixed clamping ring, the two nuts are screwed, the threaded rods drive the movable clamping ring to move to one side of the fixed clamping ring, until the fastener is clamped and fixed, and the movable clamping ring pad and the fixed clamping ring pad provide limiting for the bottom of the fastener, so as to achieve the purpose of clamping and fixing the fastener with different outer diameters. In the process of processing the fastener, the positioning device is subjected to external forces such as vibration and impact. Since the screw rod adjusting mode is adopted to fix the fastener, the clamping block driven by the screw rod may be loosened due to vibration, so that the position of the clamping block changes, and the fixing stability of the parts is affected. SUMMARY

[0004] In view of the above problems, the utility model provides a self-adjusting positioning device for fastener processing to solve the shortcomings of the existing positioning device, i.e., the screw rod adjusting mode is adopted to fix the fastener, the clamping block driven by the screw rod may be loosened due to vibration, so that the position of the clamping block changes, and the fixing stability of the parts is affected.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a self-adjusting positioning device for fastener processing, comprising a positioning seat, an adjusting groove is formed in the inner side of the positioning seat, two adjusting blocks are slidably arranged in the adjusting groove, a clamping block is arranged on the upper end of the adjusting block, a second rubber block is arranged on the lower end of the adjusting block, and the second rubber block and the clamping block are detachably connected with the adjusting block.

[0006] The left and right sides of the positioning seat are respectively provided with a support, the support is fixedly connected with the positioning seat, and the outer side of one of the supports is provided with a first adjusting mechanism for adjusting the distance between the two adjusting blocks.

[0007] The two supports are provided with a positioning plate, the positioning plate is slidingly arranged between the two supports, the upper end of the positioning plate is provided with a first rubber block, the first rubber block is arranged below the two second rubber blocks, and the lower end of the positioning seat is provided with a second adjusting mechanism for adjusting the distance between the positioning plate and the adjusting blocks.

[0008] Further improvement lies in that the lower end face of the second rubber block and the upper end of the first rubber block are respectively provided with a plurality of point-shaped protrusions.

[0009] Further improvement lies in that the opposite sides of the two groups of supports are provided with sliding grooves, sliding blocks are slidingly arranged in the sliding grooves, and the sliding blocks are fixedly connected to the left and right ends of the positioning plate.

[0010] Further improvement lies in that the first adjusting mechanism comprises a knob, the knob is rotatably connected to the outer side of one of the supports, the knob is fixedly connected with a double-headed screw rod arranged in the adjusting groove, the double-headed screw rod is rotatably connected with the positioning seat, the adjusting blocks are sleeved on the two ends of the double-headed screw rod, and the double-headed screw rod is threadedly connected with the adjusting blocks.

[0011] Further improvement lies in that the second adjusting mechanism comprises a connecting piece and an adjusting screw rod, the connecting piece is fixedly connected to the lower end of the positioning seat, the adjusting screw rod is rotatably connected to the lower end of the connecting piece, the lower end of the adjusting screw rod is fixedly connected with a handle, the adjusting screw rod penetrates the positioning plate, and the positioning plate is threadedly connected with the adjusting screw rod.

[0012] Further improvement lies in that the upper end of the clamping block is provided with a groove, and the groove is arranged on the opposite sides of the two clamping blocks.

[0013] Further improvement lies in that a plurality of first connecting bolts are assembled on the upper end of the clamping block, the first connecting bolts pass through the clamping block and are threadedly connected with connecting holes arranged on the upper end of the adjusting block.

[0014] Further improvement lies in that a plurality of second connecting bolts are assembled on the lower end of the second rubber block, the second connecting bolts pass through the second rubber block and are threadedly connected with connecting holes arranged on the lower end of the adjusting block.

[0015] Further improvement lies in that the lower end of the support is provided with a bolt seat, the bolt seat is fixedly connected to the left and right sides of the support, and a bolt hole is arranged on the bolt seat.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] After the workpiece is positioned, the positioning plate is lifted upward by the second adjusting mechanism, the first rubber block is pressed against the second rubber block, the damping is increased, the secondary movement of the adjusting block is limited, the clamping block is not loosened due to loosening of the adjusting block when the fastener is fixed, and the stability is better. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 is a structure diagram of the adjusting block in the present application.

[0020] Figure 2 is a structure diagram of the positioning plate in the present application.

[0021] Figure 3 is a structure of the positioning seat in the present application.

[0022] Figure 4 is a structure of the clamping block, the adjusting block and the second rubber block after being split in the present application.

[0023] Wherein: 1, support; 2, bolt seat; 3, positioning seat; 4, knob; 5, sliding groove; 6, sliding block; 7, positioning plate; 8, first rubber block; 9, second rubber block; 10, adjusting block; 11, adjusting groove; 12, adjusting screw; 13, clamping block; 14, groove; 15, double-headed screw; 16, connecting piece; 17, first connecting bolt; 18, connecting hole; 19, second connecting bolt. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0025] According to Figure 1 , 2, 3, 4, the embodiment proposes a self-adjusting positioning device for fastener processing, comprising a positioning seat 3, an adjusting groove 11 is formed in the inner side of the positioning seat 3, two adjusting blocks 10 are slidably arranged in the adjusting groove 11, a clamping block 13 is arranged on the upper end of the adjusting block 10, a second rubber block 9 is arranged on the lower end of the adjusting block 10, and the second rubber block 9 and the clamping block 13 are detachably connected with the adjusting block 10;

[0026] A supporting piece 1 is arranged on the left and right sides of the positioning seat 3, and the supporting piece 1 is fixedly connected with the positioning seat 3; one of the supporting pieces 1 is provided with a first adjusting mechanism for adjusting the distance between the two adjusting blocks 10;

[0027] The automobile fastener to be processed is placed between the two clamping blocks 13, the first adjusting mechanism adjusts the distance between the two adjusting blocks 10, and the adjusting block 10 is fixed in the middle of the two clamping blocks 13.

[0028] A positioning plate 7 is arranged between the two supporting pieces 1, the positioning plate 7 is slidably arranged between the two supporting pieces 1, a first rubber block 8 is arranged on the upper end of the positioning plate 7, the first rubber block 8 is arranged below the two second rubber blocks 9, and a second adjusting mechanism is arranged at the lower end of the positioning seat 3 for adjusting the distance between the positioning plate 7 and the adjusting block 10.

[0029] After the positioning of the workpiece is completed, the positioning plate 7 is lifted upward through the second adjusting mechanism, the first rubber block 8 at the upper end of the positioning plate 7 contacts the second rubber block 9 at the lower end of the adjusting block 10, the first rubber block 8 extrudes the second rubber block 9, the second rubber block 9 is limited from moving again through the way of increasing damping, so that the clamping block 13 does not loosen when fixing the fastener, and the stability is better.

[0030] It is worth noting that the lower end surface of the second rubber block 9 and the upper end of the first rubber block 8 are provided with a plurality of point protrusions, which are used to increase the friction force of the contact surface between the first rubber block 8 and the second rubber block 9, and further improve the positioning effect of the first rubber block 8 on the second rubber block 9.

[0031] More specifically, the two groups of supporting pieces 1 are provided with a sliding groove 5 on the side surface, a sliding block 6 is slidably arranged in the sliding groove 5, and the sliding block 6 is fixedly connected to the left and right ends of the positioning plate 7. When the distance between the positioning plate 7 and the adjusting block 10 is adjusted through the second adjusting mechanism, the sliding block 6 fixed to the two ends of the positioning plate 7 will slide along the sliding groove 5, and the sliding groove 5 guides the positioning plate 7 through cooperation with the sliding block 6.

[0032] Regarding the first adjusting mechanism:

[0033] The first adjusting mechanism comprises a knob 4 rotatably connected to the outer side of one of the support members 1, the knob 4 being fixedly connected to a double-headed screw 15 arranged in an adjusting groove 11, the double-headed screw 15 being rotatably connected to the positioning seat 3, the adjusting block 10 being sleeved on both ends of the double-headed screw 15, and the double-headed screw 15 being threadedly connected to the adjusting block 10. When the knob 4 is rotated, the knob 4 drives the double-headed screw 15 to rotate, the double-headed screw 15 has two threads with opposite directions on the outer side, the two threads have different rotation directions, and when the double-headed screw 15 rotates, the two adjusting blocks 10 move in opposite directions along the shaft of the double-headed screw 15.

[0034] Regarding the second adjusting mechanism:

[0035] The second adjusting mechanism comprises a connecting member 16 fixedly connected to the lower end of the positioning seat 3 and an adjusting screw 12 rotatably connected to the lower end of the connecting member 16, the lower end of the adjusting screw 12 being fixedly connected to a handle, the adjusting screw 12 penetrating the positioning plate 7, and the positioning plate 7 being threadedly connected to the adjusting screw 12. When the handle is rotated, the handle drives the adjusting screw 12 to rotate, the adjusting screw 12 cooperates with the positioning plate 7 during rotation, and the positioning plate 7 moves along the shaft of the adjusting screw 12. By controlling the rotation direction of the adjusting screw 12, the rising and falling of the positioning plate 7 can be realized.

[0036] In order to support the fastener placed between the two clamping blocks 13 and fixed, in the preferred scheme, a groove 14 is arranged at the upper end of the clamping block 13, and the groove 14 is arranged on the side of the two clamping blocks 13. The clamping block 13 is L-shaped, and when the fastener is fixed, the bottom of the groove 14 supports the fastener, so that the fastener does not fall downward.

[0037] In order to facilitate the replacement of the clamping block 13, the clamping block 13 is fixed to the upper end of the clamping block 13 in a bolt connection manner. Specifically, a plurality of first connecting bolts 17 are arranged at the upper end of the clamping block 13, the first connecting bolts 17 penetrate the clamping block 13 and are threadedly connected to connecting holes 18 arranged at the upper end of the adjusting block 10. When the clamping block 13 is removed from the upper end of the adjusting block 10 for replacement, the first connecting bolts 17 at the top of the clamping block 13 are rotated out of the connecting holes 18.

[0038] In order to facilitate the replacement of the second rubber block 9, the second rubber block 9 is also fixed to the lower end of the adjusting block 10 in a bolt connection manner. Specifically, a plurality of second connecting bolts 19 are arranged at the lower end of the second rubber block 9, the second connecting bolts 19 penetrate the second rubber block 9 and are threadedly connected to connecting holes 18 arranged at the lower end of the adjusting block 10. Similarly, when the second rubber block 9 is removed for replacement, the second connecting bolts 19 at the top of the second rubber block 9 are rotated out of the connecting holes 18.

[0039] In the preferred scheme, the lower end of the support 1 is provided with a bolt seat 2 fixedly connected to the left and right sides of the support 1, and a bolt hole is formed in the bolt seat 2. When fixing the positioning device on the table top, the fixing bolt is screwed into the bolt hole of the bolt seat 2 and the table top, and is tightened by using a nut. The bolt connection mode can ensure that the positioning device does not shake during use, thereby improving the operation safety.

[0040] The working principle of the present application is as follows:

[0041] The automobile fastener to be processed is placed between the two clamping blocks 13, the first adjusting mechanism adjusts the spacing between the two adjusting blocks 10, and the fastener is fixed in the middle of the two clamping blocks 13. After the positioning of the workpiece is completed, the positioning plate 7 is lifted upward by the second adjusting mechanism, and the first rubber block 8 at the upper end of the positioning plate 7 will contact the second rubber block 9 at the lower end of the adjusting block 10. The first rubber block 8 extrudes the second rubber block 9, and by increasing the damping, the second movement of the adjusting block 10 is limited, so that when the clamping block 13 is fixed, the fastener will not loosen due to the loosening of the adjusting block 10, and the stability is better.

[0042] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. Unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, 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 skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] The above is only a specific embodiment of the present application, which enables those skilled in the art to understand or implement the present application. Various modifications of these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features applied herein.

Claims

1. A self-adjusting positioning device for fastener processing, comprising a positioning seat (3), an adjusting groove (11) is formed in the inner side of the positioning seat (3), two adjusting blocks (10) are slidably arranged in the adjusting groove (11), characterized in that: The upper end of the adjusting block (10) is provided with a clamping block (13), and the lower end of the adjusting block (10) is provided with a second rubber block (9), and the second rubber block (9) and the clamping block (13) are detachably connected with the adjusting block (10); Each of the left and right sides of the positioning seat (3) is provided with a supporting piece (1), the supporting piece (1) is fixedly connected with the positioning seat (3), and the outer side of one of the supporting pieces (1) is provided with a first adjusting mechanism for adjusting the distance between the two adjusting blocks (10). A positioning plate (7) is arranged between the two supporting pieces (1), the positioning plate (7) is slidably arranged between the two supporting pieces (1), the upper end of the positioning plate (7) is provided with a first rubber block (8), the first rubber block (8) is arranged below the two second rubber blocks (9), and the lower end of the positioning seat (3) is provided with a second adjusting mechanism for adjusting the distance between the positioning plate (7) and the adjusting block (10).

2. The self-adjusting positioning device for fastener manufacturing according to claim 1, wherein: The lower end surface of the second rubber block (9) and the upper end of the first rubber block (8) are provided with a plurality of point protrusions.

3. The self-adjusting positioning device for fastener manufacturing according to claim 1, wherein: The side surfaces of the two groups of supporting pieces (1) are provided with sliding grooves (5), sliding blocks (6) are slidably arranged in the sliding grooves (5), and the sliding blocks (6) are fixedly connected to the left and right ends of the positioning plate (7).

4. The self-adjusting positioning device for fastener manufacturing according to claim 1, wherein: The first adjusting mechanism comprises a knob (4), the knob (4) is rotatably connected to the outer side of one of the supporting pieces (1), the knob (4) is fixedly connected with a double-headed screw rod (15) arranged in the adjusting groove (11), the double-headed screw rod (15) is rotatably connected with the positioning seat (3), the adjusting block (10) is sleeved on the two ends of the double-headed screw rod (15), and the double-headed screw rod (15) is threadedly connected with the adjusting block (10).

5. The self-adjusting positioning device for fastener manufacturing according to claim 2, wherein: The second adjusting mechanism comprises a connecting piece (16) and an adjusting screw rod (12), the connecting piece (16) is fixedly connected to the lower end of the positioning seat (3), the adjusting screw rod (12) is rotatably connected to the lower end of the connecting piece (16), a handle is fixedly connected to the lower end of the adjusting screw rod (12), the adjusting screw rod (12) penetrates the positioning plate (7), and the positioning plate (7) is threadedly connected with the adjusting screw rod (12).

6. The self-adjusting positioning device for fastener manufacturing according to claim 1, wherein: The upper end of the clamping block (13) is provided with a groove (14), and the groove (14) is arranged on the side surfaces of the two clamping blocks (13).

7. The self-adjusting positioning device for fastener manufacturing according to claim 1, wherein: The upper end of the clamping block (13) is provided with a plurality of first connecting bolts (17), the first connecting bolts (17) penetrate the clamping block (13) and are threadedly connected with connecting holes (18) arranged at the upper end of the adjusting block (10).

8. The self-adjusting positioning device for fastener manufacturing according to claim 1, wherein: The lower end of the second rubber block (9) is provided with a plurality of second connecting bolts (19), the second connecting bolts (19) penetrate the second rubber block (9) and are threadedly connected with the connecting holes (18) arranged at the lower end of the adjusting block (10).

9. The self-adjusting positioning device for fastener manufacturing according to claim 1, wherein: The lower end of the supporting piece (1) is provided with a bolt seat (2), the bolt seat (2) is fixedly connected to the left and right sides of the supporting piece (1), and a bolt hole is arranged on the bolt seat (2).

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