CN210953639U

CN210953639U - Tensile machine

Info

Publication number: CN210953639U
Application number: CN201921930085.8U
Authority: CN
Inventors: 师永乐; 赵海奇
Original assignee: Yantai Chuangsheng Testing Technology Co ltd
Current assignee: Yantai Chuangsheng Testing Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-07
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to the technical field of detection equipment, in particular to a tensile machine, which comprises a frame, wherein an upper cross beam and a lower cross beam are arranged on the frame, and clamps are arranged on the upper cross beam and the lower cross beam; the rack is provided with a driving mechanism capable of adjusting the distance between the upper cross beam and the lower cross beam; clamping grooves are formed in the upper cross beam and the lower cross beam, clamping blocks clamped with the clamping grooves are arranged on the clamp, and limiting grooves are formed in two ends of each clamping block; cavities communicated with the clamping grooves are formed in the upper cross beam and the lower cross beam, two limiting plates are connected in the cavities in a sliding mode, and the two limiting plates are clamped with the two limiting grooves respectively; and adjusting mechanisms connected with the two limiting plates are arranged in the upper cross beam and the lower cross beam. The utility model discloses the fixture block that sets up and draw-in groove joint can take the anchor clamps of damage down in the frame and maintain to save time raises the efficiency.

Description

Tensile machine

Technical Field

The utility model belongs to the technical field of check out test set's technique and specifically relates to a pulling force machine is related to.

Background

The universal material testing machine is a mechanical stress testing machine for testing mechanical properties of various materials, such as static load, tension, compression, bending, shearing, tearing, peeling and the like of instruments and equipment, is suitable for testing various physical and mechanical properties of materials, such as plastic plates, pipes, profiled bars, plastic films, rubber, electric wires and cables, steel, glass fiber and the like, is used for developing the materials and is indispensable detection equipment for physical property testing, teaching research, quality control and the like.

At present, the Chinese utility model with the authorization notice number CN209231083U discloses an electronic universal testing machine for microcomputer control, which comprises a working machine case, the top of the working machine case is fixedly provided with a lead screw and an upright post, the top of the lead screw and the upright post is fixedly provided with an upper beam, the bottom of the upper beam is provided with an upper clamp, the screw rod is fixedly screwed with a lower beam, the top of the lower beam is provided with a lower clamp, the bottom of the lower beam is provided with an upper pressing plate, the upright post at one side is provided with a key box, the middle part of the top of the working case is provided with a lower pressing plate, the edge of the top of the working case is provided with a protective case cover, the inner surface of the protective case cover is connected with a protective plate, an air spring is arranged at the joint of the protection plate and the protection box cover, and the protection plate is arranged on the protection box cover through the air spring.

The above prior art solutions have the following drawbacks: when the clamp is damaged, the clamp clamps the workpiece and loosens, so that the workpiece is separated from the clamp.

SUMMERY OF THE UTILITY MODEL

Not enough to above-mentioned prior art exists, the utility model aims to provide a tensile machine sets up and can take the anchor clamps of damage down in the frame with the fixture block of draw-in groove joint and maintain to save time raises the efficiency.

The above object of the present invention is achieved by the following technical solutions:

a tensile machine comprises a rack, wherein an upper cross beam and a lower cross beam are arranged on the rack, and clamps are arranged on the upper cross beam and the lower cross beam; the rack is provided with a driving mechanism capable of adjusting the distance between the upper cross beam and the lower cross beam; clamping grooves are formed in the upper cross beam and the lower cross beam, clamping blocks clamped with the clamping grooves are arranged on the clamp, and limiting grooves are formed in two ends of each clamping block; cavities communicated with the clamping grooves are formed in the upper cross beam and the lower cross beam, two limiting plates are connected in the cavities in a sliding mode, and the two limiting plates are clamped with the two limiting grooves respectively; and adjusting mechanisms connected with the two limiting plates are arranged in the upper cross beam and the lower cross beam.

By adopting the technical scheme, the clamping block on the clamp is clamped with the clamping groove, then the adjusting mechanism is started, the adjusting mechanism drives the two limiting plates to move oppositely in the cavity, so that the two limiting plates are respectively clamped with the two limiting grooves, and the clamping block clamped in the clamping groove is reinforced; then, starting a driving mechanism, wherein the driving mechanism can drive the distance between the upper cross beam and the lower cross beam to change, so that the two clamps can realize the pull detection of the workpiece; the fixture block arranged and connected with the clamping groove in a clamped mode can be used for maintaining the damaged fixture on the rack, so that time is saved, and efficiency is improved.

The utility model discloses further set up to: the adjusting mechanism comprises a first bidirectional screw rod which is rotatably connected in the cavity, the first bidirectional screw rod penetrates through the two limiting plates, and the two limiting plates are respectively in threaded connection with two ends of the first bidirectional screw rod; and the upper cross beam and the lower cross beam are internally provided with adjusting components connected with the first bidirectional screw rod.

By adopting the technical scheme, the adjusting assembly is started, the adjusting assembly drives the first bidirectional screw to rotate, and the first bidirectional screw rotates to drive the two limiting plates to move oppositely or backwards; the adjusting mechanism is simple in structure and convenient to operate.

The utility model discloses further set up to: the adjusting assembly comprises a worm which is rotatably connected to the upper cross beam and the upper cross beam, and a knob is arranged on the worm; and the first bidirectional screw is in keyed connection with a worm wheel meshed with the worm.

Through adopting above-mentioned technical scheme, rotate the knob, the knob drives the worm and rotates, will rotate with worm meshed worm wheel, and the worm wheel drives first bidirectional screw and rotates, and the adjusting part simple structure that sets up is convenient for operate save time and has improved efficiency.

The utility model discloses further set up to: the rack is provided with a blocking mechanism, the blocking mechanism comprises a fixed plate connected to one side of the rack, and a visible window is arranged on the fixed plate; the other end of the rack is fixedly connected with a fixed block, a rotating groove is formed in the fixed block, a baffle is arranged on the rack, and a rotating rod which is rotatably connected with the rotating groove is arranged on the baffle; and the baffle is provided with a fixing component connected with the rack.

By adopting the technical scheme, after the two clamps clamp the workpiece, the baffle plate is rotated to cover one side of the rack, then the baffle plate is fixed by the fixing assembly, the driving mechanism is started after the baffle plate is fixed, so that the distance between the upper cross beam and the lower cross beam can be changed, when the workpiece is broken by the two clamps, the broken workpiece can be blocked by the fixing plate and the baffle plate, and potential safety hazards of the broken workpiece to operators are prevented; then, when other workpieces are detected, only the fixing assembly is required to be not used for fixing the baffle, and then the broken workpieces are taken down from the two clamps to be replaced by new workpieces.

The utility model discloses further set up to: the fixing assembly comprises an adjusting plate arranged on the baffle, a first through hole is formed in the adjusting plate, a second through hole is formed in the side wall of the rack in the first through hole, a connecting rope is connected to the adjusting plate, and an inserting rod which penetrates through the first through hole and is connected with the second through hole is arranged on the connecting rope.

Through adopting above-mentioned technical scheme, rotate the baffle, make the baffle cover one side in addition of frame, then make the inserted bar pass first through-hole and second through-hole joint, realize the fixed of regulating plate position, the fixed of baffle position promptly, the fixed subassembly simple structure of setting is convenient for operate, thereby save time has improved efficiency.

The utility model discloses further set up to: the fixing plate is provided with a third through hole, the rack is provided with a threaded hole, and the fixing plate is provided with a bolt which penetrates through the third through hole and is in threaded connection with the threaded hole.

Through adopting above-mentioned technical scheme, rotatory bolt, the bolt passes third through-hole and screw hole threaded connection, can realize the fixed of fixed plate to fixed mode simple structure is convenient for operate.

The utility model discloses further set up to: the rack is provided with a sliding chute along the vertical direction of the rack, and the upper cross beam and the lower cross beam are respectively connected to two ends of the sliding chute in a sliding manner; the driving mechanism comprises a second bidirectional screw rod which is rotatably connected in the sliding groove, the second bidirectional screw rod respectively penetrates through the upper cross beam and the lower cross beam, the upper cross beam and the lower cross beam are respectively in threaded connection with two ends of the second bidirectional screw rod, and a motor connected with the second bidirectional screw rod is arranged on the rack.

By adopting the technical scheme, the motor is started, the output shaft of the motor drives the second bidirectional screw to rotate, the second bidirectional screw drives the upper cross beam and the lower cross beam to move in opposite directions or in a back-to-back direction, and the upper cross beam and the lower cross beam move in the back-to-back direction and drive the two clamps to pull the workpiece, so that data are detected; the arranged driving mechanism can enable the workpiece to be pulled in two directions, so that the limit value of the workpiece can be measured more quickly.

To sum up, the utility model discloses a beneficial technological effect does:

1. the fixture block clamped with the clamping groove can be arranged to take down the damaged fixture on the rack for maintenance, so that time is saved and efficiency is improved;

2. the blocking mechanism can prevent the broken workpiece from causing potential safety hazards to operators.

Drawings

Fig. 1 is a schematic structural view of a middle tensile machine according to the present invention;

fig. 2 is a schematic structural diagram of a driving mechanism in the present invention;

fig. 3 is a schematic structural diagram of the adjusting mechanism of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1;

fig. 5 is a partially enlarged view of B in fig. 1.

Reference numerals: 1. a frame; 11. a chute; 12. an upper cross beam; 13. a lower cross beam; 14. a clamp; 21. a clamping block; 22. a limiting plate; 3. an adjustment mechanism; 31. a first bidirectional screw; 32. an adjustment assembly; 321. a worm gear; 322. a worm; 323. a knob; 41. a fixing plate; 42. a bolt; 43. a fixed block; 44. a baffle plate; 45. a rotating rod; 5. a fixing assembly; 51. an adjusting plate; 52. connecting ropes; 53. inserting a rod; 6. a drive mechanism; 61. a second bidirectional screw; 62. an electric motor.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a tensile machine, including frame 1, be provided with stop gear on the frame 1.

Referring to fig. 1 and 2, a chute 11 is formed in the frame 1 along a vertical direction thereof, and an upper cross beam 12 and a lower cross beam 13 are slidably connected to upper and lower ends of the chute 11 respectively; a driving mechanism 6 is arranged in the rack 1, the driving mechanism 6 comprises a second bidirectional screw 61 which is rotatably connected in the chute 11, the thread directions of two ends of the second bidirectional screw 61 are opposite, two ends of the second bidirectional screw 61 respectively penetrate through the upper cross beam 12 and the lower cross beam 13, and the upper cross beam 12 and the lower cross beam 13 are respectively in threaded connection with the upper end and the lower end of the second bidirectional screw 61; the lower end of the frame 1 is fixedly connected with a motor 62 connected with a second bidirectional screw 61, and the motor 62 is a three-phase asynchronous motor.

Referring to fig. 2 and 3, a clamping groove is formed in one side of the upper cross beam 12 facing the lower cross beam 13, and a clamping groove is also formed in one side of the lower cross beam 13 facing the upper cross beam 12; the cavity communicated with the clamping groove is formed in the upper cross beam 12 facing the lower cross beam 13. (shown in the figure)

The upper cross beam 12 and the lower cross beam 13 are both provided with a clamp 14, the clamp 14 is fixedly connected with a clamping block 21 clamped with a clamping groove, two ends of the clamping block 21 are both provided with a limiting groove, and a limiting plate 22 clamped with the limiting groove is connected in the cavity in a sliding manner; an adjusting mechanism 3 connected with the two limiting plates 22 is arranged in the cavity, the adjusting mechanism 3 comprises a first bidirectional screw 31 which is rotatably connected with the two ends of the first bidirectional screw 31, the thread directions of the two ends of the first bidirectional screw 31 are opposite, the first bidirectional screw 31 penetrates through the two limiting plates 22, and the two limiting plates 22 are respectively in threaded connection with the two ends of the first bidirectional screw 31; the upper cross beam 12 and the lower cross beam 13 are both provided with an adjusting assembly 32 connected with the first bidirectional screw 31, the adjusting assembly 32 comprises a worm 322, the upper cross beam 12 and the lower cross beam 13 are both rotatably connected with the worm 322, one end of the worm 322 is positioned outside the upper cross beam 12 or the lower cross beam 13, one end positioned outside the upper cross beam 12 or the lower cross beam 13 is fixedly connected with a knob 323, and the other end of the worm 322 is positioned in the cavity; a worm wheel 321 engaged with the worm 322 is keyed on the first two-way screw 31.

Referring to fig. 1, 4 and 5, the blocking mechanism includes a fixing plate 41 disposed at one side of the frame 1, and a visible window is disposed on the fixing plate 41; a third through hole is formed in the fixing plate 41, a second threaded hole is formed in the frame 1, and a bolt 42 penetrating through the third through hole and in threaded connection with the second threaded hole is arranged on the fixing plate 41.

A fixed block 43 is fixedly connected to one side, far away from the fixed plate 41, of the rack 1, a rotating groove is formed in the fixed block 43, a rotating rod 45 is rotatably connected in the rotating groove, a baffle 44 is fixedly connected to the rotating rod 45, a fixing assembly 5 is arranged on the baffle 44, the fixing assembly 5 comprises an adjusting plate 51 fixedly connected to one end, far away from the rotating rod 45, of the baffle 44, a first through hole is formed in the adjusting plate 51, and a second through hole is formed in the rack 1; a connecting rope 52 is arranged on the adjusting plate 51, and one end, far away from the adjusting plate 51, of the connecting rope 52 is connected with an inserting rod 53 which penetrates through the first through hole and is clamped with the second through hole.

The implementation principle of the embodiment is as follows: the clamping block 21 is clamped in the clamping groove, then the knob 323 is rotated, the knob 323 drives the worm 322 to rotate, the worm wheel 321 meshed with the worm 322 rotates, the worm wheel 321 drives the first bidirectional screw 31 to rotate, the first bidirectional screw 31 drives the two limiting plates 22 to move oppositely, and the two limiting plates 22 are respectively clamped with the two limiting grooves on the clamping block 21; the mounting of the clamp 14 to the upper beam 12 and the lower beam 13 is achieved.

The baffle 44 is rotated, and then the insertion rod 53 is inserted through the first through hole and clamped with the second through hole, so that the baffle 44 is fixed.

Then the workpiece is clamped on the two clamps 14, the motor 62 is started, the output shaft of the motor 62 drives the second bidirectional screw 61 to rotate, the second bidirectional screw 61 drives the upper cross beam 12 and the lower cross beam 13 to move in the sliding groove 11 in the opposite direction, so that the workpiece is pulled by the two clamps 14, and the phenomenon of clamping of the upper cross beam 12 and the lower cross beam 13 cannot occur in the process.

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. A tensile machine comprises a rack (1), wherein an upper cross beam (12) and a lower cross beam (13) are arranged on the rack (1), and clamps (14) are arranged on the upper cross beam (12) and the lower cross beam (13); a driving mechanism (6) capable of adjusting the distance between the upper cross beam (12) and the lower cross beam (13) is arranged on the rack (1); the clamp is characterized in that clamping grooves are formed in the upper cross beam (12) and the lower cross beam (13), a clamping block (21) clamped with the clamping grooves is arranged on the clamp (14), and limited grooves are formed in two ends of the clamping block (21); cavities communicated with the clamping grooves are formed in the upper cross beam (12) and the lower cross beam (13), two limiting plates (22) are connected in the cavities in a sliding mode, and the two limiting plates (22) are clamped with the two limiting grooves respectively; and adjusting mechanisms (3) connected with the two limiting plates (22) are arranged in the upper cross beam (12) and the lower cross beam (13).

2. A tensile machine as claimed in claim 1, wherein said adjusting mechanism (3) comprises a first bidirectional screw (31) rotatably connected in said cavity, said first bidirectional screw (31) passing through two of said limiting plates (22), and said two limiting plates (22) being respectively in threaded connection with two ends of said first bidirectional screw (31); and adjusting components (32) connected with the first bidirectional screw rods (31) are arranged in the upper cross beam (12) and the lower cross beam (13).

3. A tensile machine as claimed in claim 2, wherein said adjustment assembly (32) comprises a worm screw (322) rotatably connected to said upper beam (12) and to said upper beam (12), said worm screw (322) being provided with a knob (323); a worm wheel (321) meshed with the worm (322) is connected to the first bidirectional screw (31) in a key mode.

4. A tensile machine according to claim 1, wherein a blocking mechanism is arranged on the frame (1), the blocking mechanism comprises a fixed plate (41) connected to one side of the frame (1), and a visible window is arranged on the fixed plate (41); the other end of the rack (1) is fixedly connected with a fixed block (43), a rotating groove is formed in the fixed block (43), a baffle (44) is arranged on the rack (1), and a rotating rod (45) which is rotatably connected with the rotating groove is arranged on the baffle (44); and the baffle (44) is provided with a fixing component (5) connected with the rack (1).

5. A tensile machine according to claim 4, wherein the fixing component (5) comprises an adjusting plate (51) arranged on the baffle plate (44), a first through hole is formed in the adjusting plate (51), a second through hole is formed in the side wall of the machine frame (1), a connecting rope (52) is connected to the adjusting plate (51), and an inserting rod (53) which penetrates through the first through hole and is connected with the second through hole is arranged on the connecting rope (52).

6. A tensile machine according to claim 4, wherein a third through hole is formed on the fixing plate (41), a threaded hole is formed on the frame (1), and a bolt (42) which passes through the third through hole and is in threaded connection with the threaded hole is arranged on the fixing plate (41).

7. A tensile machine according to claim 1, wherein the frame (1) is provided with a chute (11) along a vertical direction thereof, and the upper beam (12) and the lower beam (13) are respectively connected to two ends of the chute (11) in a sliding manner; the driving mechanism (6) comprises a second bidirectional screw (61) rotatably connected in the sliding groove (11), the second bidirectional screw (61) respectively penetrates through the upper cross beam (12) and the lower cross beam (13), the upper cross beam (12) and the lower cross beam (13) are respectively in threaded connection with two ends of the second bidirectional screw (61), and a motor (62) connected with the second bidirectional screw (61) is arranged on the rack (1).