CN210878746U

CN210878746U - Left and right support seat clamp

Info

Publication number: CN210878746U
Application number: CN201921916352.6U
Authority: CN
Inventors: 吴志强; 欧阳光照; 左勇; 李海军
Original assignee: Guangdong Fuwa Heavy Industry Co Ltd
Current assignee: Guangdong Fuwa Heavy Industry Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-30
Anticipated expiration: 2029-11-07

Abstract

The utility model relates to a left and right supporting seat clamp, which comprises a workpiece supporting seat, a positioning piece, a pressing mechanism and a first driving mechanism for driving the pressing mechanism to act; a space capable of accommodating the left and right supporting seats is formed between the positioning piece and the pressing mechanism, the first driving mechanism is used for driving the pressing mechanism to press the left and right supporting seats on the positioning piece, mechanical clamping is achieved, the clamping is effectively achieved, meanwhile, the labor intensity is reduced, the clamping speed is improved, the machining efficiency is improved, and the problems that damage and the like caused by unbalanced local stress of a workpiece possibly caused by manual clamping can be avoided; in addition, the automatic leveling device is arranged, is symmetrically designed and has elasticity, the balance adjustment can be realized when the left and right supporting seat sides are fixed, the problem that clamping is unstable due to the fact that single sides in a traditional clamp are fixed is avoided, meanwhile, the automatic leveling device can automatically level, the machining quality is guaranteed, and the labor intensity is reduced.

Description

Left and right support seat clamp

Technical Field

The utility model relates to a frock clamp technical field especially relates to a control bearing anchor clamps.

Background

At present, a traction saddle is an important component on a semi-trailer train, not only plays a role in connecting a tractor and a semi-trailer, but also directly influences the driving safety of the semi-trailer train due to the strength and reliability of the traction saddle.

A general traction saddle assembly comprises a saddle body and a left supporting seat and a right supporting seat. The left and right supporting seats are bilaterally symmetrical and are arranged at the bottom of the saddle body, and each supporting seat comprises a supporting seat upper panel, a supporting seat lower panel and a connecting plate, wherein two sides of the connecting plate are respectively fixedly connected with the supporting seat upper panel and the supporting seat lower panel; the left and right supporting seats are used for supporting the saddle body. The left and right supporting seats are often required to be drilled in the machining process, and the existing drilling process adopts a clamp to manually clamp the supporting seats, so that the labor intensity of operators is high, and the machining efficiency is influenced; meanwhile, the clamp adopts unilateral positioning, so that clamping is often unstable, the position of a drilled hole and the size of the hole are not satisfactory, and subsequent operation is influenced.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a control bearing anchor clamps, it passes through clamping mechanism, and it is tight to the processing clamp of work piece effectively to realize, alleviates intensity of labour, improves clamping speed in order to improve machining efficiency, and the good follow-up processingquality of having guaranteed of clamping stability simultaneously.

A left and right support seat clamp comprises a workpiece support seat, a positioning piece, a pressing mechanism and a first driving mechanism for driving the pressing mechanism to act; a space capable of accommodating the left and right supporting seats is formed between the positioning piece and the pressing mechanism; the locating element includes first pedestal and automatic leveling device, at least two first through-holes have been seted up at its horizontal central line bilateral symmetry to first pedestal, automatic leveling device includes two at least telescopic floating pins, floating pin activity is worn to locate first through-hole.

The utility model provides a left and right supporting seat clamp, it utilizes first actuating mechanism drive the hold-down mechanism, compress tightly the work piece of treating processing on the locating piece of work piece support, realize the mechanical clamping to left and right supporting seat, when effectively realizing clamping, alleviateed intensity of labour and improved the centre gripping speed, improve machining efficiency, can avoid artifical centre gripping may lead to the work piece local stress unbalance to cause the damage scheduling problem; in addition, the automatic leveling device is arranged, is symmetrically designed and has elasticity, the balance adjustment can be realized when the left and right supporting seat sides are fixed, the problem that clamping is unstable due to the fact that single sides in a traditional clamp are fixed is avoided, meanwhile, the automatic leveling device can automatically level, the machining quality is guaranteed, and the labor intensity is reduced.

Furthermore, the automatic leveling device also comprises a bush and a spring which correspond to the floating pin, the bush and the spring are sleeved on the floating pin, the bush is fixedly inserted into the first through hole, and a spring limiting part is arranged on the inner side of one end, far away from the spring, of the bush; the first positioning seat, the bushing and the spring are matched to realize the telescopic function of the floating pin; the setting element still includes the second pedestal, its have with control bearing one side shape assorted locating surface, the second pedestal have with control bearing assorted locating surface helps improving to controlling the fixed stability of bearing centre gripping, simultaneously the second pedestal with first pedestal is detachable connection, has the locating piece body of different locating surfaces through the change, and applicable bearing about different models improves the product suitability of anchor clamps spare.

Furthermore, the workpiece support comprises an upper panel, a lower panel and a plurality of reinforcing ribs, wherein the reinforcing ribs are arranged between the upper panel and the lower panel at intervals; the first driving mechanism is fixedly arranged on the lower panel and is positioned between the two reinforcing ribs. The clamp makes full use of space, the structure of the clamp is more compact, and the overall occupied space of the clamp is reduced.

Further, the pressing mechanism comprises a pressing head and a transmission mechanism; the first driving mechanism comprises a first air cylinder body, a first piston rod and an air cylinder fork head, wherein one end of the first piston rod is positioned in the first air cylinder body, and the other end of the first piston rod is fixedly connected with the air cylinder fork head; the transmission mechanism comprises a swing arm, a rocker arm and a sliding seat, and the pressing head is fixedly arranged in the middle of the swing arm; an embedded block is fixedly arranged outside the edge of the upper panel of the workpiece support, one end of the swing arm is hinged with the embedded block, and the other end of the swing arm is hinged with one end of the rocker arm; the sliding seat is arranged on the workpiece support in a sliding mode and located in front of the first driving mechanism, and the cylinder fork and the other end of the rocker arm are hinged to the sliding seat together. The transmission mechanism is matched with the first driving mechanism to realize the fixation of the left and right supporting seats.

Furthermore, the pressing head comprises a working surface and a fixing surface, and the working surface is formed by splicing a plurality of convex blocks; the fixed surface is fixedly provided with a fixed rod which is fixedly arranged in the middle of the swing arm. Be provided with a plurality of lugs on the contact surface of goods of furniture for display rather than for use and work piece, it can increase coefficient of surface friction to take place to skid when avoiding centre gripping work piece, strengthen the stability of centre gripping.

Furthermore, a self-locking device is also arranged on the workpiece support; the self-locking device comprises a first floating seat, a second floating seat, an inclined block, a linkage block and a second driving mechanism; the oblique block is positioned between the first floating seat and the second floating seat, and one end of the oblique block is connected with the second driving mechanism; the linkage block is transversely provided with at least two floating pin holes, and the floating pins are fixedly inserted in the floating pin holes; the second driving mechanism is fixedly arranged on the upper panel of the workpiece support, and the driving path of the second driving mechanism is parallel to the longitudinal center line of the workpiece support; one side of the inclined block, which faces the second floating seat, is an inclined plane, and the width of the widest part of the inclined block is not smaller than the distance between the first floating seat and the second floating seat; the second floating seat, the linkage block and the floating pin are sequentially and fixedly connected and mutually linked. The inclined plane of the inclined block has a certain self-locking angle, the workpiece is pressed on the positioning block, the inclined block is driven by the air cylinder to move to be in contact with the second floating seat, the linkage block and the floating pin are locked, and the workpiece is prevented from rotating and moving to influence machining operation.

Furthermore, the self-locking device further comprises a pull rod seat, a second through hole is formed in the pull rod seat, and the inclined block can slidably penetrate through the second through hole so as to ensure the stable movement of the inclined block.

Furthermore, rolling wheels are oppositely arranged on the first floating seat and the second floating seat, the rolling wheel of the first floating seat is in rolling contact with one side of the inclined block, and the rolling wheel of the second floating seat can be in rolling contact with the inclined surface of the inclined block. The rolling wheel arrangement helps to reduce sliding friction between the swash block and the float seat.

Furthermore, the positioning part further comprises a screw rod, a screw hole is formed in the positioning part along the transverse center line, and the screw rod penetrates through the screw hole from one side, away from the pressing mechanism, of the screw rod. One end of the screw rod can be contacted with a workpiece to be processed so as to enhance the stability of clamping the workpiece.

Further, still including the protective cover, the protective cover includes first cylinder protective cover, self-lock device protective cover and spring protective cover to protect first cylinder, self-lock device and spring.

The utility model provides a left and right supporting seat clamp, it utilizes first actuating mechanism drive the hold-down mechanism, will wait to process the left and right supporting seat compress tightly on the setting element of work piece support, realize the mechanical clamping to the work piece to subsequent processing, when effectively realizing clamping, alleviateed intensity of labour and improved the centre gripping speed, improve machining efficiency, can avoid artifical centre gripping probably to lead to the fact the local atress unbalance to cause the damage scheduling problem; the fixture is also provided with an automatic leveling structure, and the automatic adjustment of the balance of the left and right supporting seats is realized through the simultaneous floating of at least two floating pins and the springs sleeved on the floating pins, so that the manual operation is avoided, the clamping precision can be improved, and the subsequent processing precision is ensured; and a self-locking structure is further arranged, and through the matching of the air cylinder, the inclined block and the floating seat, the self-locking structure of the inclined block is utilized to realize locking after clamping so as to avoid the left and right supporting seats from moving left and right, and further improve the clamping stability.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of the left and right support bases;

FIG. 2 is a schematic view of the left and right support seat clamps of the present invention;

FIG. 3 is a top view of the left and right support pedestal clamps;

FIG. 4 is a schematic view of the workpiece support structure;

FIG. 5 is a schematic view of the positioning member;

FIG. 6 is a top view of the structure shown in FIG. 5;

fig. 7 is a cross-sectional view of the first seat and the automatic leveling device;

FIG. 8 is a schematic structural view of the first driving mechanism;

FIG. 9 is a schematic structural view of the pressing mechanism;

FIG. 10 is a schematic view of the hold down mechanism, first drive mechanism and workpiece support connection;

FIG. 11 is a schematic structural view of the self-locking device;

FIG. 12 is a top view of the structure of FIG. 11;

FIG. 13 is a schematic view of a first cylinder protecting cover;

FIG. 14 is a schematic view of a protective cover of the self-locking device;

fig. 15 is a schematic view of a spring protection cover.

Detailed Description

Referring to fig. 1, fig. 1 is a schematic structural view of the left and right support bases 10. The embodiment of the utility model provides a control bearing anchor clamps, control bearing 10 and include panel 14 and connecting plate 16 under bearing top panel 12, the bearing, the connecting plate 16 both sides respectively with panel 14 fixed connection under bearing top panel 12 and the bearing.

Referring to fig. 2 and 3, fig. 2 is a schematic structural view of the left and right support seat clamps of the present invention, and fig. 3 is a top view of the left and right support seat clamps. The left and right support seat clamp comprises a workpiece support 20, a positioning piece 30, a pressing mechanism 40, a first driving mechanism 50 for driving the pressing mechanism 40 to act and a self-locking device 60.

Referring to fig. 4, fig. 4 is a schematic structural diagram of the workpiece support. The workpiece support 20 includes an upper face plate 22, a lower face plate 24, and a plurality of ribs 26, the ribs 26 being spaced between the upper face plate 22 and the lower face plate 24.

Referring to fig. 5-7, fig. 5 is a schematic view of the positioning member, fig. 6 is a top view of the structure shown in fig. 5, and fig. 7 is a cross-sectional view of the first seat and the automatic leveling device. A space capable of accommodating the left and right supporting seats 10 is formed between the positioning piece 30 and the pressing mechanism 40; the positioning member 30 includes a first seat 31, a second seat 32 and an automatic leveling device 33, wherein the first seat 31 is fixedly disposed on the upper panel 22; the second seat 32 is detachably fixed to the first seat 31, and has a positioning surface 321 matching with one side of the connecting plate 16 of the left and right support seats 10, in this embodiment, the connecting plate 16 of the left and right support seats 10 is in the shape of an arc, and the positioning surface 321 of the second seat 32 is in the shape of an arc matching with the arc, which is helpful to improve the stability of clamping and fixing the left and right support seats, and in other embodiments, the positioning surface 321 may also be in other shapes matching with the connecting plate of the left and right support seats 10 to be clamped. By replacing the second seat 32 with different positioning surfaces 321, the fixture is applicable to left and right supporting seats 10 of different models, and the product applicability of the fixture is improved.

The first seat 31 is symmetrically provided with at least two first through holes 311 on two sides of a transverse center line thereof, the automatic leveling device 33 includes at least two floating pins 331 and corresponding bushings 332 and springs 333, the bushings 332 and the springs 333 are sleeved on the floating pins 331, and a spring limiting portion is arranged on the inner side of one end of the bushing 332 away from the springs 333; the floating pin 331 is movably inserted through the first through hole 311, and the bushing 332 is fixedly inserted into the first through hole 311. In a preferred embodiment, the floating pin 331 is a solid cylinder disposed in the transverse direction; the bushing 332 is a cylindrical structure and comprises a first cylinder 332a and a second cylinder 332b which are fixedly connected and communicated with each other, wherein the outer diameter of the first cylinder 332a is matched with the inner diameter of the first through hole 311, and the outer diameter of the second cylinder 332b is larger than the outer diameter of the first cylinder 332 a; the bushing 332 and the spring 333 are sleeved on the floating pin 331, one end of the spring 333 is positioned in the second cylinder 332b, and the inner diameter of the first cylinder 332a is not larger than the outer diameter of the spring 333, so that the purpose of limiting the spring is achieved, the arrangement of a spring limiting part is avoided, the structure is simpler, and the forming and processing are more convenient; one end of the floating pin 331 movably penetrates through the first through hole 311, and the first cylinder 332a of the bushing 332 is fixedly inserted into the first through hole 311. The automatic adjustment of the left and right balance of the left and right supporting seats is realized by the floating of the floating pin 331 sleeved with the spring 333.

The positioning element 30 further includes a screw 34, a screw hole 312 is formed along a transverse center line at the top of the first seat 31, and the screw 34 penetrates through the screw hole from a side far away from the pressing mechanism 40. One end of the screw 34 can be contacted with the left and right supporting seats to be processed so as to enhance the stability of clamping the left and right supporting seats.

Referring to fig. 8, fig. 8 is a schematic structural diagram of the first driving mechanism. The first driving mechanism 50 comprises a first air cylinder body 51, a first piston rod 52, an air cylinder fork 53 and a first air cylinder seat 54, one end of the first piston rod 52 is positioned in the first air cylinder body 51, the other end of the first piston rod is fixedly connected with the air cylinder fork 53, and the first air cylinder seat 54 is fixed on the lower panel 24 of the workpiece support; in a preferred embodiment, the first driving mechanism 50 is fixedly disposed on the lower panel 24 and located between the two ribs 26. The clamp makes full use of space, the structure of the clamp is more compact, and the overall occupied space of the clamp is reduced.

Referring to fig. 9 and 10, fig. 9 is a schematic structural view of the pressing mechanism, and fig. 10 is a schematic connection view of the pressing mechanism, the first driving mechanism and the workpiece support. The pressing mechanism 40 includes a pressing head 41 and a transmission mechanism 42, the pressing head 41 is fixedly connected with the transmission mechanism 42, as a preferred embodiment, the pressing head 41 includes a working surface 411 and a fixing surface 412, and the fixing surface 412 is fixedly provided with a fixing rod 412 a; the working surface 411 is formed by splicing a plurality of convex blocks, and the surface friction coefficient can be increased, so that slipping during clamping is avoided, and the clamping stability is enhanced. The transmission mechanism 42 comprises a swing arm 421, a swing arm 422 and a sliding seat 423, and the fixing rod 412a is fixedly arranged in the middle of the swing arm 421; an insert 221 is fixedly arranged outside the edge of the workpiece support upper panel 22, one end of the swing arm 421 is hinged with the insert 221, and the other end is hinged with one end of the rocker arm 422; the sliding seat 423 is slidably disposed on the workpiece support lower panel 24 and located in front of the first driving mechanism 50. In a preferred embodiment, the lower panel 24 is provided with a guide rail 241 located on a projection line of the central axis of the first driving mechanism 50 on the lower panel 24, a sliding block 423a is provided at the bottom of the sliding seat 423, the sliding block can slide along the guide rail 241, and the cylinder fork 53 and the rocker 422 are hinged to the sliding block. The guide rail 241 and the slider 423a are provided to make the interlocking of the first driving mechanism 50 and the pressing mechanism 40 more stable and smooth.

Referring to fig. 11 and 12, fig. 11 is a schematic structural view of the self-locking device, and fig. 12 is a top view of the structure of fig. 11. The self-locking device 60 comprises a first floating seat 61, a second floating seat 62, an oblique block 63, a linkage block 64, a pull rod seat 65 and a second driving mechanism 66; the first floating seat 61 and the second floating seat 62 are oppositely provided with rolling wheels (612 and 622), one end of the inclined block 63 is positioned between the first floating seat 61 and the second floating seat 62, the inclined block comprises an inclined block body 632 and a connecting part 634, the inclined block body 632 is a wedge-shaped block, and one side of the inclined block body facing the second floating seat 62 is an inclined plane; the connecting portion 634 is a rectangular block, the width of the rectangular block is not less than the distance between the first floating seat 61 and the second floating seat 62, the rolling wheel 612 of the first floating seat 61 is in rolling contact with one side of the ramp block 63, and the rolling wheel 622 of the second floating seat 62 can be in rolling contact with the ramp surface of the ramp block body 632. The provision of the rolling wheels helps to reduce sliding friction between the ramp 63 and the floating platform.

The pull rod seat 65 is fixedly arranged on the upper surface of the workpiece support, a second through hole 652 is formed in the pull rod seat 65, and the shape of the second through hole 652 is matched with that of the connecting part 634; the connecting part 634 of the inclined block 63 passes through the second through hole 652 and is connected with the second driving mechanism 66; the inclined block 63 is slidably disposed through the second through hole 652 to ensure smooth movement of the inclined block 63. The second drive mechanism 66 is fixedly disposed on the workpiece support upper panel 22 and has a drive path parallel to the longitudinal centerline of the workpiece support. In a preferred embodiment, the second driving mechanism 66 includes a second cylinder block 661, a second piston rod 662 and a second cylinder seat 663, the second cylinder seat 663 is fixedly disposed on the workpiece support upper panel 22, the second cylinder block 661 is fixedly disposed on one side of the second cylinder seat 663, the second cylinder seat 663 is provided with a second piston hole, the second piston rod 662 movably penetrates through the second piston hole, and the second floating seat 62, the linkage block 64 and the floating pin 331 are sequentially and fixedly connected and linked with each other. The inclined plane of the inclined block 63 has a certain self-locking angle, after the left and right supporting seats are tightly pressed on the positioning block, the inclined block 63 is driven by the air cylinder to move to be in contact with the second floating seat 62, the linkage block 64 and the floating pin 331 are locked, and the left and right supporting seats are prevented from rotating and moving to influence the processing operation.

Referring to fig. 13-15, fig. 13 is a schematic view of a first cylinder protecting cover structure, fig. 14 is a schematic view of a self-locking device protecting cover structure, and fig. 15 is a schematic view of a spring protecting cover structure. As a preferred embodiment, the clamp for the left and right support seats 10 further comprises a protective cover 70, the protective cover 70 comprises a first cylinder protective cover 71, a self-locking device protective cover 72 and a spring protective cover 73, one side of the first cylinder protective cover 71 is fixedly connected with the edge of the workpiece support upper panel 22, and the first cylinder is covered and protected; one side of the self-locking device protecting cover 72 is fixedly connected with the workpiece support upper panel 22, and the other side of the self-locking device protecting cover is fixedly connected with the top of the second cylinder seat 663 so as to cover and protect the self-locking device 60; one side of the spring protecting cover 73 is fixedly connected to a side of the second seat 32, and extends to the outside of the spring 333 to cover and protect the spring.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a left and right sides bearing anchor clamps which characterized in that: the device comprises a workpiece support, a positioning piece, a pressing mechanism and a first driving mechanism for driving the pressing mechanism to act; a space capable of accommodating the left and right supporting seats is formed between the positioning piece and the pressing mechanism; the locating element includes first pedestal and automatic leveling device, at least two first through-holes have been seted up at its horizontal central line bilateral symmetry to first pedestal, automatic leveling device includes two at least telescopic floating pins, floating pin activity is worn to locate first through-hole.

2. The left and right backup pad clamps of claim 1, wherein: the automatic leveling device also comprises a bush and a spring which correspond to the floating pin, the bush and the spring are sleeved on the floating pin, the bush is fixedly inserted in the first through hole, and a spring limiting part is arranged on the inner side of one end, far away from the spring, of the bush; the positioning piece further comprises a second seat body which is provided with a positioning surface matched with the shape of one side of the left and right supporting seats and is detachably fixed on the first seat body.

3. The left and right backup pad clamps of claim 2, wherein: the workpiece support comprises an upper panel, a lower panel and a plurality of reinforcing ribs, and the reinforcing ribs are arranged between the upper panel and the lower panel at intervals; the first driving mechanism is fixedly arranged on the lower panel and is positioned between the two reinforcing ribs.

4. The left and right backup pad clamps of claim 3, wherein: the pressing mechanism comprises a pressing head and a transmission mechanism; the first driving mechanism comprises a first air cylinder body, a first piston rod and an air cylinder fork head, wherein one end of the first piston rod is positioned in the first air cylinder body, and the other end of the first piston rod is fixedly connected with the air cylinder fork head; the transmission mechanism comprises a swing arm, a rocker arm and a sliding seat, and the pressing head is fixedly arranged in the middle of the swing arm; an embedded block is fixedly arranged outside the edge of the upper panel of the workpiece support, one end of the swing arm is hinged with the embedded block, and the other end of the swing arm is hinged with one end of the rocker arm; the sliding seat is arranged on the workpiece support in a sliding mode and located in front of the first driving mechanism, and the cylinder fork and the other end of the rocker arm are hinged to the sliding seat together.

5. The left and right backup pad clamps of claim 4, wherein: the pressing head comprises a working surface and a fixing surface, and the working surface is formed by splicing a plurality of convex blocks; the fixed surface is fixedly provided with a fixed rod which is fixedly arranged in the middle of the swing arm.

6. The left and right backup pad clamps of claim 1, wherein: the workpiece support is also provided with a self-locking device; the self-locking device comprises a first floating seat, a second floating seat, an inclined block, a linkage block and a second driving mechanism; the oblique block is positioned between the first floating seat and the second floating seat, and one end of the oblique block is connected with the second driving mechanism; the linkage block is transversely provided with at least two floating pin holes, and the floating pins are fixedly inserted in the floating pin holes; the second driving mechanism is fixedly arranged on the upper panel of the workpiece support, and the driving path of the second driving mechanism is parallel to the longitudinal center line of the workpiece support; one side of the inclined block, which faces the second floating seat, is an inclined plane, and the width of the widest part of the inclined block is not smaller than the distance between the first floating seat and the second floating seat; the second floating seat, the linkage block and the floating pin are sequentially and fixedly connected and mutually linked.

7. The left and right backup pad clamps of claim 6, wherein: the self-locking device further comprises a pull rod seat, a second through hole is formed in the pull rod seat, and the inclined block can be slidably arranged in the second through hole in a penetrating mode.

8. The left and right backup pad clamps of claim 6, wherein: the first floating seat and the second floating seat are oppositely provided with rolling wheels, the rolling wheel of the first floating seat is in rolling contact with one side of the inclined block, and the rolling wheel of the second floating seat can be in rolling contact with the inclined plane of the inclined block.

9. The left and right backup pad clamps of claim 1, wherein: the positioning piece further comprises a screw rod, a screw hole is formed in the positioning piece along the transverse center line, and the screw rod penetrates through the screw hole from one side, away from the pressing mechanism, of the screw rod.

10. The left and right backup pad clamps of claim 1, wherein: still including the protective cover, the protective cover includes first cylinder protective cover, self-locking device protective cover and spring protective cover.