CN217889248U - Dumbbell-shaped sampling machine mold - Google Patents

Abstract

The utility model relates to a stamping die technical field, concretely relates to dumbbell shape sampling machine mould, the technical problem who aims at solving lies in overcoming the inconvenient defect of sampling machine mould in the prior art, mainly can realize through following technical scheme: a dumbbell-shaped prototype mold comprises a workbench, a pressurizing piece and further comprises: the stamping workpiece, sliding member and locating part, the stamping workpiece sets up on the workstation, the stamping workpiece includes first stamping module and second stamping module, it is provided with first module seat and second module seat to correspond the stamping workpiece on the workstation, the sliding member is including the track and the driving piece that slide, the locating part sets up in workstation both sides and prescribes a limit to the stamping workpiece position relatively, the stamping workpiece slides with the workstation and is connected, consequently, can change the adjustment according to the panel demand of different thickness, reduce the time of dismantling the adjustment mould, the locating part is except that carrying out the position and prescribe a limit to, can also the first stamping module of chucking and second stamping module both sides, promote the quality of system appearance.

Description

Dumbbell-shaped sampling machine mold

Technical Field

The utility model relates to a stamping die technical field, concretely relates to dumbbell shape sampling machine mould.

Background

In the metal smelting and metal heat treatment industries, in order to test the physical properties of the prepared metal plate, a tensile test needs to be carried out on a sample, so that a special sample preparation for the tensile test needs to be prepared, and a dumbbell sample preparation machine is suitable for preparing dumbbell test pieces in a metal tensile test and can be used for preparing dumbbell test pieces with various sizes. Dumbbell specimen makers have various working modes, one of which is to arrange a dumbbell-shaped cutter on a sheet punching machine and prepare a specimen by the sheet punching machine.

In the prior art, the sample plate is uneven in size and thickness, a die needs to be adjusted and manufactured in order to obtain a sample, the process is complex, and the efficiency is low; or a plurality of punching machines are adopted to adapt to sample plates with various thicknesses, but the equipment cost is also increased; in addition, the vibration is great when current traditional punching press system appearance equipment is pressed, and takes place sample panel displacement or this week very easily when carrying out the sample and cut, leads to final sample edge unevenness or sample quality to have a problem, influences follow-up test result.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the inconvenient defect of proof press mould among the prior art to a dumbbell shape proof press mould is provided.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a dumbbell shape sampling machine mould, includes workstation and pressure member, pressure member sets up in workstation middle part top, pressure member includes increased pressure board and pressure bar, the pressure bar sets up in the increased pressure board four corners, the pressure bar is including fixing the dead lever on the workstation and sliding the movable rod in the dead lever, still includes:

the stamping part is arranged on the workbench and comprises a first stamping module and a second stamping module, a first module seat is arranged on the workbench corresponding to the first stamping module, a second module seat is arranged on the workbench corresponding to the second stamping module, the first module seat and the second module seat are oppositely arranged on two sides of the workbench, the upper surfaces of the first module seat and the second module seat and the upper surface of the workbench are in the same horizontal plane, and the first stamping module and the second stamping module are arranged on the sliding part in a sliding manner and are arranged in a sliding manner relative to the workbench;

the sliding part comprises a plurality of transverse sliding rails arranged in a longitudinal array mode and a driving part connected with the stamping part, the driving part drives the stamping part to slide along the sliding rails, the sliding rails penetrate through the upper surfaces of the first module seat, the workbench and the second module seat, and stop blocks are fixed at two ends of the sliding rails;

the limiting part is arranged on two sides of the workbench relatively, the limiting part comprises a first limiting structure and a second limiting structure, the first limiting structure is close to the first stamping module, the second limiting structure is close to the second stamping module, and the first limiting structure and the second limiting structure are symmetrically arranged relative to the workbench.

Through adopting above-mentioned technical scheme, the stamping workpiece slides with the workstation and is connected, consequently can change different stamping module according to the panel demand of different thickness, reduces the time of adjustment mould, effectively improves system appearance efficiency, and the locating part is injectd every stamping module sliding position simultaneously, and the follow-up operation of resetting of being convenient for also can be in punching press operation chucking stamping module both sides, guarantees that the specification of system appearance is good after the punching press, promotes the quality of system appearance.

Further, first punching press module includes first roof, first base, a plurality of first release link, first terrace die and first die, connect through first release link between first roof and the first base, first release link sets up relative both sides on first base, first terrace die is fixed at first roof lower surface, first die is fixed at first base upper surface, leave the clearance between first terrace die and the first die, first release link includes first depression bar, first telescopic link and overlaps the first reset spring who establishes on first telescopic link, first reset spring's both ends are fixed respectively at first base upper surface and first depression bar lower surface, first telescopic link slides and sets up in first depression bar.

By adopting the technical scheme, the first top plate bears the pressure of the pressurizing part, then the first lower pressing rod is pressed downwards and drives the first male die to move downwards, the first male die is matched with the first female die to complete the sample preparation operation of the dumbbell-shaped sample, and after the stamping is completed, the first lower pressing rod is controlled to slowly reset under the reaction force of the first reset spring to wait for the next stamping operation.

Further, the second stamping module comprises a second top plate, a second base, a plurality of second reset rods, a second male die and a second female die, the second top plate is connected with the second base through the second reset rods, the second reset rods are arranged on two opposite sides of the second base, the second male die is fixed on the lower surface of the second top plate, the second female die is fixed on the upper surface of the second base, a gap is reserved between the second male die and the second female die, the gap between the second male die and the second female die is larger than the gap between the first male die and the first female die, the second reset rods comprise second lower pressing rods, second telescopic rods and second reset springs sleeved on the second telescopic rods, two ends of each second reset spring are fixed on the upper surface of the second base and the lower surface of the second lower pressing rod respectively, and the second telescopic rods are arranged in the second lower pressing rods in a sliding mode.

By adopting the technical scheme, the second top plate bears the pressure of the pressurizing piece, then the second lower pressing rod is pressed downwards and drives the second male die to move downwards, the second male die is matched with the second female die to complete the sample preparation operation of the dumbbell-shaped sample, and after the punching is completed, the second lower pressing rod is controlled to slowly reset under the reaction force of the second reset spring to wait for the next punching operation.

Furthermore, all set up the hole of sliding that supplies the track of sliding to pass on first base and the second base, the hole of sliding runs through first base and second base setting, first spacing hole has still been seted up on the first base, first spacing hole sets up in the relative both sides of first base and keeps away from the setting of second module seat, the spacing hole of second has still been seted up on the second base, the setting of first module seat is just kept away from in the relative both sides of second base to the spacing hole setting of second.

Through adopting above-mentioned technical scheme, the hole that slides and the track cooperation that slides realize the setting of sliding of first stamping module and second stamping module on the workstation, guarantee that first stamping module and second stamping module slide on the workstation steadily smoothly, and first spacing hole and the spacing hole of second are used for cooperating the locating part to carry out the chucking to first stamping module and second stamping module.

Furthermore, the first limiting structure comprises two first limiting blocks which are oppositely arranged, the first limiting blocks are hinged with the side wall of the workbench, a first spring is arranged between the first limiting blocks and the workbench, one end of the first spring is fixed on one side, away from the first base, of the first limiting blocks, and the other end of the first spring is fixed on the side wall of the workbench; the second limiting structure comprises two second limiting blocks which are oppositely arranged, the second limiting blocks are hinged to the side wall of the workbench, a second spring is further arranged between the second limiting blocks and the workbench, one end of the second spring is fixed to one side, away from the second base, of the second limiting blocks, and the other end of the second spring is fixed to the side wall of the workbench.

Through adopting above-mentioned technical scheme, the chucking and self that first stopper cooperation first spring realized first punching press module reset, and the chucking and self that the second stopper cooperation second spring realized second punching press module reset.

Furthermore, the inner side of the first limiting block, which is far away from the first base, is also provided with a first magnetic suction plate, the first magnetic suction plate is further sleeved with a first non-slip mat, the inner side of the second limiting block, which is far away from the second base, is also provided with a second magnetic suction plate, and the second magnetic suction plate is further sleeved with a second non-slip mat.

By adopting the technical scheme, the first magnetic suction plate and the first anti-skid pad are matched, so that the first base can be controlled to be attached to the first limiting block, accurate positioning is realized, and the side abrasion of the first base is reduced; the second magnetic suction plate and the second anti-skid pad are matched to control the second base to be tightly attached to the second limiting block, so that accurate positioning is realized, and the abrasion of the side edge of the second base is reduced.

Furthermore, the driving piece comprises a manual driving part, the manual driving part comprises a first pull rod and a second pull rod, the first pull rod is arranged at two opposite ends of the first base, the second pull rod is arranged at two opposite ends of the second base, the first pull rod is U-shaped, two ends of the first pull rod are fixed on the first base, and the second pull rod is U-shaped, two ends of the second pull rod are fixed on the second base.

Through adopting above-mentioned technical scheme, manual drive part is convenient for artifical manual pulling first punching press module and second punching press module, simple structure, convenient operation.

Furthermore, the driving part further comprises an electric driving part, the electric driving part is an electric push rod which is symmetrically arranged, the electric driving part is arranged on one side, away from the first module seat and the second module seat, of the first module seat, and the movable end of the electric driving part is connected with one side, away from the first base and the second base, of the second module seat.

Through adopting above-mentioned technical scheme, the change of first punching press module and second punching press module can be carried out automatically to electric drive part, promotes the practicality of this device, reduces artifical intensity of labour.

To sum up, the utility model discloses technical scheme has following advantage:

1. the utility model provides a dumbbell shape sampling machine mould according to the requirement of punching press sample thickness, adjusts different punching press module to reach the purpose of adjustment gap width, pulling easy operation is swift, improves the system appearance and replaces efficiency.

2. The utility model provides a dumbbell-shaped sampling machine mould, the locating part can not only carry out position limitation, but also clamp the two sides of the first stamping module and the second stamping module during stamping operation, reduce the position swing of the stamping module and improve the quality of sample preparation; in addition, the limiting part is used for positioning the first stamping module and the second stamping module, and the first stamping module and the second stamping module are ensured to be positioned in the middle of the workbench when in use.

3. The utility model provides a dumbbell shape sampling machine mould sets up electric drive part and manual drive part, can select and control first punching press module and second punching press module position according to actual conditions, has promoted the maneuverability of this device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a dumbbell-shaped prototype mold according to an embodiment of the present invention;

fig. 2 is a schematic partial structural view of a first stamping module according to an embodiment of the present invention;

fig. 3 is a schematic partial structural view of a second stamping module according to an embodiment of the present invention;

fig. 4 is a schematic partial structure diagram of a position limiting element according to an embodiment of the present invention.

Description of reference numerals:

1. a work table; 11. a first module mount; 12. a second module mount; 2. a pressing member; 21. a pressurizing plate; 22. a pressurizing rod; 221. fixing the rod; 222. a movable rod; 3. stamping parts; 31. a first stamping module; 311. a first top plate; 312. a first base; 3121. a first limit hole; 313. a first restoring rod; 3131. a first lower pressing rod; 3132. a first telescopic rod; 3133. a first return spring; 314. a first male die; 315. a first female die; 32. a second stamping module; 321. a second top plate; 322. a second base; 3221. a second limiting hole; 323. a second restoring rod; 3231. a second lower pressing rod; 3232. a second telescopic rod; 3233. a second return spring; 324. a second male die; 325. a second female die; 4. a sliding member; 41. a sliding track; 411. a stopper; 412. a sliding hole; 42. a drive member; 421. a manual drive component; 4211. a first pull rod; 4212. a second pull rod; 422. an electric drive component; 5. a limiting member; 51. a first limit structure; 511. a first stopper; 5111. a first magnetic attraction plate; 5112. a first non-slip mat; 512. a first spring; 52. a second limit structure; 521. a second limiting block; 5211. a second magnetic attraction plate; 5212. a second non-slip mat; 522. a second spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

A dumbbell-shaped prototype making die is shown in figure 1 and comprises a workbench 1 and a pressurizing part 2, wherein the pressurizing part 2 is arranged above the middle part of the workbench 1, the pressurizing part 2 comprises a pressurizing plate 21 and a pressurizing rod 22, the pressurizing rod 22 is arranged at four corners of the pressurizing plate 21, the pressurizing rod 22 comprises a fixed rod 221 fixed on the workbench 1 and a movable rod 222 sliding in the fixed rod 221, a first module seat 11 and a second module seat 12 are arranged at the left side and the right side of the workbench 1, the upper surfaces of the first module seat 11 and the second module seat 12 and the upper surface of the workbench 1 are in the same horizontal plane, the dumbbell-shaped prototype making die further comprises a stamping part 3, a sliding part 4 and a limiting part 5, the sliding part 4 comprises a sliding rail 41 and a driving part 42 connected with the stamping part 3, the sliding rail 41 is arranged in an array manner along the width direction of the workbench 1, the length of the sliding rail penetrates through the first module seat 11, the second module seat 12 and the length of the workbench 1, the driving member 42 drives the stamping part 3 to slide along the sliding rail 41, the two ends of the sliding rail 41 are further fixed with the stoppers 411, the stamping part 3 comprises a first stamping module 31 and a second stamping module 32, the first stamping module 31 is arranged on the first module base 11, the second stamping module 32 is arranged on the second module base 12, the limiting parts 5 are oppositely arranged on the two sides of the workbench 1, the limiting parts 5 comprise a first limiting structure 51 arranged close to the first stamping module 31 and a second limiting structure 52 arranged close to the second stamping module 32, the stamping part 3 is connected with the workbench 1 in a sliding manner, so that different stamping modules can be replaced according to the requirements of plates with different thicknesses, the time for adjusting the die is reduced, the sample preparation efficiency is effectively improved, meanwhile, the limiting parts 5 limit the sliding position of each stamping module, and are convenient for subsequent resetting operation to clamp the two sides of the stamping module during the stamping operation, the specification of the punched sample is ensured to be good, and the quality of the sample is improved.

As shown in fig. 1 and 2, the first punching module 31 includes a first top plate 311, a first male die 314, a first female die 315, and a first base 312, which are sequentially disposed from top to bottom, and further includes a first reset bar 313 connecting the first top plate 311 and the first base 312, the first reset bar 313 is disposed on opposite left and right sides of the first base 312, the first male die 314 is fixed on a lower surface of the first top plate 311, the first female die 315 is fixed on an upper surface of the first base 312, a gap is left between the first male die 314 and the first female die 315, the first reset bar 313 includes a first lower pressing bar 3131, a first telescopic bar 3132, and a first reset spring 3133 sleeved on the first telescopic bar 3132, two ends of the first reset spring 3133 are respectively fixed on the upper surface of the first base 312 and the lower surface of the first lower pressing bar 3131, the first telescopic bar 3132 is slidably disposed in the first lower pressing bar 3131, after the first top plate 311 is pressed, the first lower pressing bar presses the first lower pressing bar 3131 and drives the first male die 314 to move down, the first male die 314 and the first punch is matched with the first female die 315, and the first punch is used for controlling the slow punch-pressing bar 3131, and the slow-pressing operation is performed. The first base 312 is provided with a sliding hole 412 for the sliding rail 41 to pass through, the sliding hole 412 passes through the first base 312, the front and rear sides of the first base 312 are further provided with first limiting holes 3121, and the first limiting holes 3121 are disposed away from the second module base 12. The driving member 42 includes a manual driving part 421, the manual driving part 421 is a first pull rod 4211 disposed on the left and right opposite sides of the first base 312, the first pull rod 4211 is U-shaped, and both ends of the first pull rod 4211 are fixed on the first base 312, the driving member 42 further includes an electric driving part 422, the electric driving part 422 is an electric push rod, the electric driving part 422 is disposed at the left end of the first module base 11, the electric driving part 422 is connected with the first base 312 and drives the first base 312 to slide on the sliding rail 41, the electric driving part 422 and the manual driving part 421 are disposed, the positions of the first punching module 31 and the second punching module 32 can be selected and controlled according to actual conditions, and the operability of the device is improved.

As shown in fig. 1, 2 and 3, the second punching module 32 includes a second top plate 321, a second punch 324, a second die 325 and a second base 322 which are sequentially arranged from top to bottom, and further includes a second reset bar 323 connecting the second top plate 321 and the second base 322, the second reset bar 323 is arranged on the opposite left and right sides of the second base 322, the second punch 324 is fixed on the lower surface of the second top plate 321, the second die 325 is fixed on the upper surface of the second base 322, a gap is left between the second punch 324 and the second die 325, the gap between the second punch 324 and the second die 325 is larger than the gap between the first punch 314 and the first die 315, the second reset rod 323 comprises a second lower press rod 3231, a second telescopic rod 3232 and a second reset spring 3233 sleeved on the second telescopic rod 3232, two ends of the second reset spring 3233 are respectively fixed on the upper surface of the second base 322 and the lower surface of the second lower press rod 3231, the second telescopic rod 3232 is slidably arranged in the second lower press rod 3231, the second top plate 321 bears the pressure of the pressurizing member 2 and then presses down the second lower press rod 3231 and drives the second male die 324 to move downwards, the second male die 324 is matched with the second female die 325 to complete the sample preparation operation of the dumbbell-shaped sample, and after the stamping is completed, the second lower press rod 3231 is controlled to slowly reset under the reaction force of the second reset spring 3233 to wait for the next stamping operation. The second base 322 is provided with a sliding hole 412 for the sliding rail 41 to pass through, the sliding hole 412 passes through the second base 322, the front side surface and the rear side surface of the second base 322 are further provided with second position-limiting holes 3221, and the second position-limiting holes 3221 are arranged away from the first module base 11. The driving member 42 includes a manual driving part 421, the manual driving part 421 is a second pull rod 4212 disposed on the left and right opposite sides of the second base 322, the second pull rod 4212 is U-shaped, and two ends of the second pull rod 4212 are fixed on the first base 312, the driving member 42 further includes an electric driving part 422, the electric driving part 422 is an electric push rod, the electric driving part 422 is disposed at the right end of the second module base 12, and the electric driving part 422 is connected with the second base 322 and drives the second base 322 to slide on the sliding rail 41.

As shown in fig. 1 and 4, the first limiting structure 51 includes two first limiting blocks 511 arranged oppositely, the first limiting blocks 511 are hinged to the side wall of the workbench 1, a first spring 512 is further disposed between the first limiting blocks 511 and the workbench 1, one end of the first spring 512 is fixed to one side of the first limiting blocks 511, which is far away from the first base 312, the other end of the first spring is fixed to the side wall of the workbench 1, a first magnetic attraction plate 5111 is further disposed on the inner side of the first limiting blocks 511, which is far away from the first base 312, and a first anti-slip pad 5112 is further sleeved on the first magnetic attraction plate 5111; the second limiting structure 52 includes two second limiting blocks 521 that are arranged relatively, the second limiting block 521 is hinged to the side wall of the workbench 1, a second spring 522 is further disposed between the second limiting block 521 and the workbench 1, one end of the second spring 522 is fixed to one side of the second limiting block 521, which is far away from the second base 322, the other end of the second spring is fixed to the side wall of the workbench 1, the inner side of the second limiting block 521, which is far away from the second base 322, is further provided with a second magnetic attraction plate 5211, and the second magnetic attraction plate 5211 is further sleeved with a second anti-slip pad 5212.

As shown in fig. 1 and 4, when the first stamping module 31 is used, the first stamping module 31 moves rightward, the first limiting block 511 is pressed when passing through the first limiting block 511, because the first limiting block 511 is hinged to the workbench 1, the first limiting block 511 avoids the position of the first stamping module 31, so that the first limiting block 511 rotates outward, when the first stamping module 31 abuts against the second limiting block 521, the first limiting block 511 is clamped in the first limiting groove on the first base 312, the first stamping module 31 is clamped, when the first stamping module 31 needs to be replaced after stamping, the first stamping module 31 moves leftward, and the first limiting block 511 does not influence the sliding of the first stamping module 31; the replacement operation of the second punching module 32 is similar to the movement of the first punching module 31, in the opposite direction.

The working principle and the using method of the dumbbell-shaped sampling machine mold comprise the following steps: before use, the first punching module 31 or the second punching module 32 is selected according to the thickness of a sample plate, the first punching module 31/the second punching module 32 is driven to move to the central position of the workbench 1 manually or electrically, the limiting part 5 clamps and limits the first punching module 31/the second punching module 32, and then the pressurizing part 2 is operated to complete punching operation, so that the dumbbell-shaped sample is obtained.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (8)

1. The utility model provides a dumbbell shape sampling machine mould, includes workstation (1) and adds pressure (2), add pressure (2) and set up in workstation (1) middle part top, add pressure (2) including increased pressure board (21) and pressure pole (22), pressure pole (22) set up in increased pressure board (21) four corners, pressure pole (22) are including fixing dead lever (221) on workstation (1) and sliding movable rod (222) in dead lever (221), its characterized in that still includes:

the stamping part (3) is arranged on the workbench (1), the stamping part (3) comprises a first stamping module (31) and a second stamping module (32), a first module seat (11) corresponding to the first stamping module (31) is arranged on the workbench (1), a second module seat (12) corresponding to the second stamping module (32) is arranged on the workbench (1), the first module seat (11) and the second module seat (12) are oppositely arranged on two sides of the workbench (1), the upper surfaces of the first module seat (11) and the second module seat (12) and the upper surface of the workbench (1) are in the same horizontal plane, and the first stamping module (31) and the second stamping module (32) are both arranged on the sliding part (4) in a sliding manner and are arranged in a sliding manner relative to the workbench (1);

the sliding part (4) comprises a plurality of transverse sliding rails (41) arranged in a longitudinal array mode and a driving part (42) connected with the stamping part (3), the driving part (42) drives the stamping part (3) to slide along the sliding rails (41), the sliding rails (41) penetrate through the upper surfaces of the first module seat (11), the workbench (1) and the second module seat (12), and stop blocks (411) are fixed at two ends of each sliding rail (41);

the limiting part (5), the limiting part (5) sets up in workstation (1) both sides relatively, limiting part (5) are including being close to first limit structure (51) that first punching press module (31) set up and being close to second limit structure (52) that second punching press module (32) set up, first limit structure (51) and second limit structure (52) set up about workstation (1) symmetry.

2. A dumbbell-shaped proof press mould according to claim 1, characterized in that the first punching module (31) comprises a first top plate (311), a first base (312), a plurality of first reset rods (313), a first male die (314) and a first female die (315), the first top plate (311) and the first base (312) are connected through the first reset rods (313), the first reset rods (313) are arranged on two opposite sides of the first base (312), the first male die (314) is fixed on the lower surface of the first top plate (311), the first female die (315) is fixed on the upper surface of the first base (312), a gap is left between the first male die (314) and the first female die (315), the first reset rods (313) comprise a first lower pressing rod (3131), a first telescopic rod (3132) and a first reset spring (3133) sleeved on the first telescopic rod (3132), two ends of the first reset spring (3133) are fixed on the surface of the first base (312), and the first lower pressing rod (3131) is arranged in the first lower pressing rod (3132).

3. The dumbbell-shaped proof press mold as claimed in claim 2, characterized in that the second punching module (32) comprises a second top plate (321), a second base (322), a plurality of second reset rods (323), a second male mold (324) and a second female mold (325), the second top plate (321) and the second base (322) are connected through the second reset rods (323), the second reset rods (323) are arranged on two opposite sides of the second base (322), the second male mold (324) is fixed on the lower surface of the second top plate (321), the second female mold (325) is fixed on the upper surface of the second base (322), a gap is left between the second male mold (324) and the second female mold (325), the gap between the second male mold (324) and the second female mold (325) is larger than the gap between the first male mold (314) and the first female mold (315), the second reset rods (323) comprise a second lower compression rod (3231), a second telescopic rod (3232) and a second telescopic rod (3232) which are slidably arranged on the upper surface of the second base (31), and the lower compression rod (3233) are slidably arranged on the second base (322), and the lower compression rod (3231).

4. The dumbbell-shaped proof press mold according to claim 3, characterized in that the first base (312) and the second base (322) are respectively provided with a sliding hole (412) for the sliding rail (41) to pass through, the sliding holes (412) are arranged to penetrate through the first base (312) and the second base (322), the first base (312) is further provided with a first limiting hole (3121), the first limiting holes (3121) are arranged at two opposite sides of the first base (312) and far away from the second module base (12), the second base (322) is further provided with a second limiting hole (3221), and the second limiting holes (3221) are arranged at two opposite sides of the second base (322) and far away from the first module base (11).

5. The dumbbell-shaped sampling machine mould according to claim 4, characterized in that the first limiting structure (51) comprises two first limiting blocks (511) which are arranged oppositely, the first limiting blocks (511) are hinged with the side wall of the workbench (1), a first spring (512) is arranged between the first limiting blocks (511) and the workbench (1), one end of the first spring (512) is fixed on one side of the first limiting blocks (511) far away from the first base (312), and the other end of the first spring is fixed on the side wall of the workbench (1); the second limiting structure (52) comprises two second limiting blocks (521) which are arranged oppositely, the second limiting blocks (521) are hinged to the side wall of the workbench (1), a second spring (522) is further arranged between the second limiting blocks (521) and the workbench (1), one end of the second spring (522) is fixed to one side, away from the second base (322), of the second limiting blocks (521), and the other end of the second spring is fixed to the side wall of the workbench (1).

6. The dumbbell-shaped proof press mold according to claim 5, characterized in that a first magnetic suction plate (5111) is further arranged on the inner side of the first limiting block (511) far away from the first base (312), a first anti-skid pad (5112) is further sleeved on the first magnetic suction plate (5111), a second magnetic suction plate (5211) is further arranged on the inner side of the second limiting block (521) far away from the second base (322), and a second anti-skid pad (5212) is further sleeved on the second magnetic suction plate (5211).

7. Dumbbell-shaped proof press mould according to claim 6, characterised in that the drive member (42) comprises a manual drive means (421), the manual drive means (421) being a first pull rod (4211) arranged at opposite ends of the first base (312) and a second pull rod (4212) arranged at opposite ends of the second base (322), the first pull rod (4211) being U-shaped and fixed at both ends to the first base (312), the second pull rod (4212) being U-shaped and fixed at both ends to the second base (322).

8. The dumbbell-shaped prototype mold according to claim 7, wherein the driving member (42) further comprises an electric driving part (422), the electric driving part (422) is a symmetrically arranged electric push rod, the electric driving part (422) is arranged on the side of the first module seat (11) and the second module seat (12) far away from each other, and the movable end of the electric driving part (422) is respectively connected with the side of the first base (312) and the second base (322) far away from each other.

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