CN210012979U

CN210012979U - Brim clamp

Info

Publication number: CN210012979U
Application number: CN201920573404.8U
Authority: CN
Inventors: 张延磊; 张超波
Original assignee: Bullmer Electromechanical Technology Co Ltd
Current assignee: Bullmer Electromechanical Technology Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-02-04
Anticipated expiration: 2029-04-24

Abstract

The utility model provides a brim of a hat anchor clamps belongs to mechanical technical field. The fixture solves the technical problems that a lead screw is stressed and is easy to wear in the existing fixture. This brim of a hat anchor clamps includes supporting seat and lead screw, the both ends of lead screw are equipped with soon to opposite screw thread one and screw thread two respectively, the both ends of lead screw are threaded transmission respectively and are connected with slider one and slider two, be fixed with arm lock one and arm lock two on slider one and the slider two respectively, the supporting seat has the lateral wall, all be fixed with the connecting block on arm lock one and the arm lock two, each connecting block all is located the outside of lateral wall and all is connected with bolt one on each connecting block, each bolt one all wears to establish on the lateral wall and can follow lateral wall axial displacement, equal threaded connection has nut one on the screw rod of each bolt one. In the process of clamping the brim of a hat, the first sliding block and the second sliding block of the clamp cannot generate axial force on the screw rod, the screw rod is not stressed, abrasion cannot be easily caused, and the service life is longer.

Description

Brim clamp

Technical Field

The utility model belongs to the technical field of machinery, a brim of a hat anchor clamps is related to.

Background

In the prior art, the sewing machine sewing brim clamp has the following problems: the left and right limiting plates of the brim clamp are fixed on the clamp supporting plate through screws, so that the centering performance of the left and right limiting plates is guaranteed by means of an external measuring tool, a large error exists, and when the size of the brim is changed, the clamp is inconvenient to adjust.

In order to solve the processing material to not unidimensional, improve the technical problem that anchor clamps adjusted the convenience, chinese patent document with application number 201720814562.9 discloses a bar tacking machine presser foot, including left presser foot and with left presser foot matched with and the right presser foot of symmetry, left presser foot, the equal fixedly connected with stopper of one end of right presser foot, one side fixedly connected with screw-nut of every stopper, wherein the screw-nut that is located left presser foot one side wears to be equipped with first lead screw, the screw-nut that is located right presser foot one side wears to be equipped with the second lead screw, the external screw thread opposite direction of first lead screw and second lead screw, one side of first lead screw and second lead screw all is provided with restriction stopper pivoted spacing ring.

The presser foot of the bar tacking machine has the disadvantages that when the left presser foot or the right presser foot is subjected to axial force, the corresponding screw rod is stressed, the screw rod is easily abraded, and the service life is shortened.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a brim of a hat anchor clamps, the utility model aims to solve the technical problem that: how to improve the service life of the screw rod.

The purpose of the utility model can be realized by the following technical proposal:

a brim clamp comprises a supporting seat and a screw rod, the screw rod is rotatably connected on the supporting seat around a self-axis, the two end parts of the screw rod are respectively provided with a first thread and a second thread with opposite rotation directions, the two end parts of the screw rod are respectively in threaded transmission connection with a first sliding block and a second sliding block, the first clamping arm and the second clamping arm are respectively fixed on the first sliding block and the second sliding block, the supporting seat is provided with a side wall, the first clamping arm and the second clamping arm respectively penetrate out of the side wall, the clamping arm device is characterized in that connecting blocks are fixed on the first clamping arm and the second clamping arm, each connecting block is located on the outer side of the side wall and connected with a first bolt, each first bolt penetrates through the side wall and can move axially along the side wall, the head of each first bolt is located on the inner side of the side wall and can abut against the side wall, and a first nut is connected to a screw rod of each first bolt in a threaded mode.

The first sliding block and the second sliding block are in threaded transmission connection with the screw rod through the first threads and the second threads respectively, when the caps with different sizes need to be machined and the clamp needs to be adjusted, the first nut matched with the first bolt needs to be unscrewed, then the screw rod is rotated clockwise (anticlockwise), and the sliding blocks move back to back (in opposite directions) along with rotation of the screw rod. When the distance between the first clamping arm and the second clamping arm is adjusted to be matched with the width of the cap peak, the first clamping arm and the second clamping arm clamp the cap peak together, and then the first nuts are screwed down, so that the adjustment of the transverse clamping range of the clamp is completed. In this structure, bolt one and nut one can press from both sides the connecting block clamp that corresponds on the supporting seat to fixed slip piece one and slider two, consequently, two pairs of brims of brim of a hat in arm lock one and arm lock carry out the in-process that presss from both sides tightly, and slider one and slider two all can not produce the axial force to the lead screw, and the lead screw is not atress, is difficult to produce wearing and tearing, and life is longer.

In the above brim clamp, the inner side of the side wall is provided with a guide groove, the head of each bolt one is provided with a first plane and a second plane which are parallel, and the first plane and the second plane on each bolt one are respectively attached to one inner wall of the guide groove. In the structure, the first plane and the second plane of the head of the first bolt are respectively attached to one inner wall of the guide groove, so that the circumferential rotation of the first bolt is limited, when the first nut is screwed, the head of the first bolt does not need to be additionally fixed, and the operation is more convenient; in addition, the head of the first bolt and the guide groove form a guide mechanism, and the first sliding block and the second sliding block are assisted in guiding in the moving process.

In the brim clamp, a first air cylinder is fixed in the middle of the supporting seat, and a pressing plate is fixed at the bottom of a connecting rod of the first air cylinder. In the structure, the first air cylinder can be controlled to start through the electric control system, the first air cylinder pushes the cylinder connecting rod, and the connecting rod enables the pressing plate to be pressed on the material (brim), so that the pressure of the center part of the brim is provided by the first air cylinder and the pressing plate which are arranged on the connecting rod, a sewing machine lifting mechanism is not needed, the mass of the feeding device is reduced, the inertia of the feeding device is reduced, and feeding is more accurate and efficient.

In foretell brim of a hat anchor clamps, be provided with hold-down mechanism on the arm lock one, hold-down mechanism includes cylinder two, V-arrangement pole one, connecting rod one and connecting rod two, the axial extension of arm lock one is followed to connecting rod two, the middle part of V-arrangement pole one with the connecting rod two is articulated, the top of V-arrangement pole one has spout one, connecting rod one sliding connection be in the spout one, the connecting rod of cylinder two is articulated mutually with connecting rod one. In the structure, the connecting rod I of the cylinder II pushes the connecting rod I, the connecting rod I slides in the sliding groove I, the connecting rod I pushes the V-shaped rod I to rotate around the connecting rod II, and when the bottom of the V-shaped rod I abuts against the edge of a material (brim), the V-shaped rod presses and holds the brim.

In the brim clamp, the pressing mechanism further comprises a V-shaped rod II, the middle part of the V-shaped rod II is hinged with the connecting rod II, the top of the V-shaped rod II is provided with a first sliding groove, and the first connecting rod is connected in the first sliding groove of the V-shaped rod II in a sliding manner. In this structure, link to each other with cylinder two through a connecting rod one, realize that cylinder two drives V-arrangement pole one and V-arrangement pole two simultaneously, provide a plurality of pressure points, it is more stable to the centre gripping of material.

In the above brim clamp, the second clamping arm is also provided with a pressing mechanism.

In the brim of a hat anchor clamps of foretell, swing joint has the fixing base on the arm lock one, set up the spout two that extends along arm lock one axial on the arm lock one, be connected with bolt two on the fixing base, the screw rod of bolt two is followed wear out in the spout two, the bottom threaded connection of the screw rod of bolt two has nut two. In this structure, through removing the fixing base, whole hold-down mechanism's position can be adjusted, adjusts to suitable position back according to the vertical size of material, can be better for new material provides clamping-force, and two pairs of fixing bases of bolt two and nut play the fixed action.

In the brim clamp, one end of the screw rod penetrates out of the supporting seat, and a hand wheel is fixed on the penetrating end of the screw rod. Through the hand wheel, the convenience of operation is improved to the rotation lead screw that can be more convenient, in addition, can add the scale on hand wheel, arm lock one and arm lock two, can be according to the machined object of difference, adjusts to the numerical value that corresponds, and it is more convenient to operate.

In the brim clamp, a hand wheel is arranged in the middle of the supporting seat, a first bevel gear is connected below the hand wheel, the first bevel gear is rotatably connected to the supporting seat around a self-axis, one end of the screw rod penetrates out of the supporting seat, a second bevel gear is fixed at the penetrating end of the screw rod, and the first bevel gear is meshed with the second bevel gear. In the structure, the hand wheel is rotated to drive the first bevel gear to rotate, and the bevel gear drives the second bevel gear to rotate, so that the screw rod is driven to rotate.

In the above-mentioned brim of a hat anchor clamps, arm lock one and arm lock two set up relatively, are close to on arm lock one and the arm lock two the one end of supporting seat has spacing portion respectively, spacing portion all is rectangular form and the two sets up relatively. The limiting part plays a role in positioning the brim of the hat, the brim of the hat is clamped tightly when being abutted against the limiting part, and the clamping stability can be further improved.

Compared with the prior art, the utility model has the advantages as follows:

1. in the process that the two pairs of hat brims of the clamping arms are clamped, the first sliding block and the second sliding block cannot generate axial force on the screw rod, the screw rod is not stressed, abrasion cannot be easily caused, and the service life is longer.

2. The clamp has good symmetry through the screw transmission of the screw rod and the first and second sliding blocks, the symmetry of the clamp is not required to be adjusted by means of an external tool, and the adjustment is more convenient.

Drawings

Fig. 1 is a schematic structural view of the present clip.

Fig. 2 is an enlarged view of a portion a in fig. 1.

FIG. 3 is a schematic diagram of the connection of the screw rod with the first sliding block and the second sliding block.

Fig. 4 is a schematic view of a bolt connection in a guide groove.

FIG. 5 is a schematic view of the clamp holding the visor.

In the figure, 1, a support seat; 1a, a side wall; 1a1, guide groove; 2. a screw rod; 2a, a first thread; 2b, a second thread; 3. a first sliding block; 4. a second sliding block; 5. a first clamping arm; 5a, a second sliding chute; 6. a second clamping arm; 7. connecting blocks; 8. a first bolt; 9. a first nut; 10. a first cylinder; 11. pressing a plate; 12. a hold-down mechanism; 12a and a second air cylinder; 12b, a first V-shaped rod; 12b1, chute one; 12c, a first connecting rod; 12d, a second connecting rod; 12e, a V-shaped rod II; 13. a fixed seat; 14. a second bolt; 15. a limiting part; 16. a hand wheel; 17. a brim.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 3 and 4, the brim 17 fixture comprises a supporting seat 1 and a screw rod 2, the screw rod 2 is rotatably connected to the supporting seat 1 around a self-axis, two ends of the screw rod 2 are respectively provided with a first thread 2a and a second thread 2b with opposite rotation directions, two ends of the screw rod 2 are respectively in thread transmission connection with a first slider 3 and a second slider 4, the first slider 3 and the second slider 4 are respectively fixed with a first clamping arm 5 and a second clamping arm 6, the supporting seat 1 is provided with a side wall 1a, the first clamping arm 5 and the second clamping arm 6 respectively penetrate through the side wall 1a, the first clamping arm 5 and the second clamping arm 6 are respectively fixed with a connecting block 7, each connecting block 7 is positioned at the outer side of the side wall 1a, each connecting block 7 is in thread connection with a first bolt 8, each bolt 8 is penetrated through the side wall 1a and can axially move along the side wall 1a, the head of each bolt 8 is positioned at the inner side of, and a first nut 9 is connected to the screw rod of each first bolt 8 in a threaded manner.

When the different sizes of brim of a hat 17 of needs processing and need adjust anchor clamps, only need to unscrew with the nut 9 of 8 matched with bolts, then clockwise (anticlockwise) rotate lead screw 2, along with the rotation of lead screw 2, the slider is moved back on the back (in opposite directions). When the distance between the first clamping arm 5 and the second clamping arm 6 is adjusted to be matched with the width of the cap peak 17, the first clamping arm 5 and the second clamping arm 6 clamp the cap peak 17 together, and then the first nuts 9 are screwed down, so that the adjustment of the transverse clamping range of the clamp is completed.

In the embodiment, as shown in fig. 4, the inner side of the side wall 1a is provided with a guide groove 1a1, the head of each bolt one 8 is provided with a first plane and a second plane which are parallel, and the first plane and the second plane on each bolt one 8 are respectively abutted with one inner wall of the guide groove 1a 1. In the structure, the first plane and the second plane of the head of the first bolt 8 are respectively abutted against one inner wall of the guide groove 1a1, so that the circumferential rotation of the first bolt 8 is limited, and when the first nut 9 is screwed, the head of the first bolt 8 does not need to be additionally fixed, and the operation is more convenient; in addition, the head of the first bolt 8 and the guide groove 1a1 form a guide mechanism, and the guide mechanism plays an auxiliary guide role for the first slide block 3 and the second slide block 4 in the moving process of the first slide block 3 and the second slide block 4.

As shown in fig. 1 or 5, in the present embodiment, a first cylinder 10 is fixed at the middle of the support base 1, and a pressing plate 11 is fixed at the bottom of the connecting rod of the first cylinder 10. In the structure, the first cylinder 10 can be controlled to start through the electric control system, the first cylinder 10 pushes the cylinder connecting rod, the connecting rod enables the pressing plate 11 to be pressed on the material (the brim 17), and because the first cylinder 10 and the pressing plate 11 in the self-body area provide the pressure of the central part of the brim 17, the sewing machine is not needed to lift the pressing mechanism, the mass of the feeding device is reduced, the inertia of the feeding device is reduced, and feeding is more accurate and efficient.

As shown in fig. 1 and 2, in the present embodiment, the clamping arm one 5 is provided with the pressing mechanism 12, the pressing mechanism 12 includes a cylinder two 12a, a V-shaped rod one 12b, a link one 12c and a link two 12d, the link two 12d extends along the axial direction of the clamping arm one 5, the middle portion of the V-shaped rod one 12b is hinged to the link two 12d, the top portion of the V-shaped rod one 12b is provided with a slide groove one 12b1, the link one 12c is slidably connected in the slide groove one 12b1, and the link of the cylinder two 12a is hinged to the link one 12 c. In the structure, the connecting rod one 12c of the cylinder two 12a pushes the connecting rod one 12c, the connecting rod one 12c slides in the sliding groove one 12b1, meanwhile, the connecting rod one 12c pushes the V-shaped rod one 12b to rotate around the connecting rod two 12d, and when the bottom of the V-shaped rod one 12b abuts against the edge of a material (a cap peak 17), the V-shaped rod one 12b presses the cap peak 17. The bottom of the V-shaped rod 12b contacting with the material (the cap peak 17) can be designed into a plane, so that the contact area with the material (the cap peak 17) is increased, and the material pressing is more stable and effective.

As another embodiment, the pressing mechanism 12 further comprises a second V-shaped rod 12e, the middle part of the second V-shaped rod 12e is hinged with a second connecting rod 12d, the top part of the second V-shaped rod 12e is provided with a first sliding groove 12b1, and the first connecting rod 12c is slidably connected in a first sliding groove 12b1 of the second V-shaped rod 12 e. In the structure, the first connecting rod 12c is connected with the second air cylinder 12a, the second air cylinder 12a drives the first V-shaped rod 12b and the second V-shaped rod 12e simultaneously, a plurality of pressure points are provided, and the clamping of materials is more stable.

As shown in fig. 1, in the visor jig of the present embodiment, the second clamping arm 6 is also provided with a pressing mechanism 12.

As shown in fig. 1-2, in this embodiment, a fixing seat 13 is movably connected to the first clamping arm 5, a second sliding groove 5a extending along the axial direction of the first clamping arm 5 is formed in the first clamping arm 5, a second bolt 14 is connected to the fixing seat 13, a screw of the second bolt 14 penetrates through the second sliding groove 5a, and a second nut is threadedly connected to a bottom of the screw of the second bolt 14. In this structure, through removing fixing base 13, whole hold-down mechanism 12's position can be adjusted, adjusts to suitable position back according to the vertical size of material, can be better for new material provides clamping-force, and two pairs of fixing bases 13 of bolt two 14 and nut play the fixed action.

As shown in fig. 1, in this embodiment, one end of the screw rod 2 penetrates out of the support seat 1, and a hand wheel 16 is fixed on the penetrating end of the screw rod 2. Through the hand wheel 16, the rotation lead screw 2 that can be more convenient improves the convenience of operation, in addition, can add the scale on hand wheel 16, arm lock one 5 and arm lock two 6, can be according to the machined object of difference, adjusts to the numerical value that corresponds, and it is more convenient to operate.

As another embodiment, a hand wheel is arranged in the middle of the supporting seat 1, a first bevel gear is connected below the hand wheel, the first bevel gear is rotatably connected to the supporting seat 1 around a self-axis, one end of the screw rod 2 penetrates out of the supporting seat 1, a second bevel gear is fixed at the penetrating end of the screw rod 2, and the first bevel gear is meshed with the second bevel gear. In the structure, the hand wheel is rotated to drive the first bevel gear to rotate, and the bevel gear drives the second bevel gear to rotate, so that the screw rod 2 is driven to rotate.

As shown in fig. 1 or 5, in the embodiment, the first clamping arm 5 and the second clamping arm 6 are disposed opposite to each other, and the ends of the first clamping arm 5 and the second clamping arm 6 close to the supporting base 1 are respectively provided with a limiting portion 15, and the limiting portions 15 are both strip-shaped and disposed opposite to each other. The limiting part 15 plays a role in positioning the brim 17, and when the edge of the brim 17 abuts against the limiting part 15, the brim is clamped tightly, so that the clamping stability can be further improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A brim clamp comprises a supporting seat (1) and a lead screw (2), the lead screw (2) is connected to the supporting seat (1) in a rotating mode around a self-axis, a first thread (2a) and a second thread (2b) with opposite rotating directions are arranged at two ends of the lead screw (2), a first slider (3) and a second slider (4) are connected to two ends of the lead screw (2) in a threaded transmission mode respectively, a first clamping arm (5) and a second clamping arm (6) are fixed to the first slider (3) and the second slider (4) respectively, the supporting seat (1) is provided with a side wall (1a), the first clamping arm (5) and the second clamping arm (6) penetrate out of the side wall (1a) respectively, and the brim clamp is characterized in that connecting blocks (7) are fixed to the first clamping arm (5) and the second clamping arm (6), each connecting block (7) is located on the outer side wall (1a), and a first bolt (8) is connected to each connecting block (7), each first bolt (8) penetrates through the side wall (1a) and can move axially along the side wall (1a), the head of each first bolt (8) is located on the inner side of the side wall (1a) and can abut against the side wall (1a), and a first nut (9) is connected to a screw rod of each first bolt (8) in a threaded mode.

2. The brim clamp of claim 1 wherein the inner side of the side wall (1a) defines a guide groove (1a1), the head of each bolt (8) has parallel first and second planes, and the first and second planes on each bolt (8) are respectively in abutment with an inner wall of the guide groove (1a 1).

3. The brim clamp according to claim 1, wherein a first cylinder (10) is fixed at the middle of the support base (1), and a pressing plate (11) is fixed at the bottom of a connecting rod of the first cylinder (10).

4. The brim clamp of claim 1, wherein the clamping arm I (5) is provided with a pressing mechanism (12), the pressing mechanism (12) comprises a cylinder II (12a), a V-shaped rod I (12b), a connecting rod I (12c) and a connecting rod II (12d), the connecting rod II (12d) extends along the axial direction of the clamping arm I (5), the middle part of the V-shaped rod I (12b) is hinged with the connecting rod II (12d), the top part of the V-shaped rod I (12b) is provided with a sliding groove I (12b1), the connecting rod I (12c) is slidably connected in the sliding groove I (12b1), and the connecting rod of the cylinder II (12a) is hinged with the connecting rod I (12 c).

5. The brim clamp of claim 4 wherein the hold-down mechanism (12) further comprises a second V-shaped bar (12e), the middle of the second V-shaped bar (12e) is hinged to the second connecting bar (12d), the top of the second V-shaped bar (12e) has a first sliding slot (12b1), and the first connecting bar (12c) is slidably connected in the first sliding slot (12b1) of the second V-shaped bar (12 e).

6. A brim clamp according to claim 4 or 5 wherein the second clamping arm (6) is also provided with a hold-down mechanism (12).

7. The brim clamp according to claim 4 or 5, wherein the first clamping arm (5) is movably connected with a fixed seat (13), the first clamping arm (5) is provided with a second sliding groove (5a) extending along the axial direction of the first clamping arm (5), the fixed seat (13) is connected with a second bolt (14), a screw rod of the second bolt (14) penetrates out of the second sliding groove (5a), and the bottom of the screw rod of the second bolt (14) is connected with a second nut in a threaded manner.

8. The brim clamp according to any one of claims 1 to 5, wherein one end of the screw rod (2) penetrates out of the support base (1), and a hand wheel (16) is fixed on the penetrating end of the screw rod (2).

9. The brim clamp according to any one of claims 1 to 5, wherein a hand wheel (16) is arranged in the middle of the supporting base (1), a first helical gear is connected below the hand wheel (16), the first helical gear is rotatably connected to the supporting base (1) around a self-rotating shaft, one end of the screw rod (2) penetrates out of the supporting base (1), a second helical gear is fixed on the penetrating end of the screw rod (2), and the first helical gear and the second helical gear are meshed.

10. A brim clamp according to any one of claims 1 to 5, wherein the first arm (5) and the second arm (6) are disposed opposite to each other, and the first arm (5) and the second arm (6) have a stopper portion (15) at an end thereof adjacent to the support base (1), respectively, and the stopper portions (15) are each elongated and disposed opposite to each other.